OSDN Git Service

* config/interix.opt: New.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-12-17  Joseph Myers  <joseph@codesourcery.com>
2
3         * config/interix.opt: New.
4         * config/interix.h (LINK_SPEC): Don't handle -soname*.
5         * config.gcc (i[34567]86-*-interix3*): Use interix.opt.
6
7 2010-12-17  Andrew Stubbs  <ams@codesourcery.com>
8
9         * config/arm/arm.md (maddhisi4, *maddhidi4): Use the canonical
10         operand order for plus.
11         Drop redundant % from constraints.
12
13 2010-12-17  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
14
15         * config/spu/t-spu-elf (LIB2FUNCS_EXCLUDE): Add _floattisf and
16         _floatunstisf.
17         * config/spu/spu.md ("floattisf2"): New expander.
18         ("floatunstisf2"): New insn pattern and splitter.
19         ("cgt_ti_m1"): New insn pattern.
20
21 2010-12-17  Bernd Schmidt  <bernds@codesourcery.com>
22
23         * config/arm/arm.c (arm_select_cc_mode): Before calling
24         arm_select_dominance_cc_mode for AND or IOR operations, ensure
25         that op is NE or EQ.
26
27 2010-12-17  Alexander Monakov  <amonakov@ispras.ru>
28
29         PR middle-end/46761
30         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Prefer
31         to use unadjusted UB.
32
33 2010-12-17  Dodji Seketeli  <dodji@redhat.com>
34
35         * dwarf2out.c (gen_type_die_with_usage): Do not try to emit debug
36         info for a redundant typedef that has DECL_ORIGINAL_TYPE set. Use
37         that underlying type instead.
38
39 2010-12-16  Jan Hubicka  <jh@suse.cz>
40
41         PR middle-end/44563 
42         * ipa-inline.c: Update doplevel comment. 
43         (cgraph_estimate_size_after_inlining): Remove times attribute. 
44         (cgraph_mark_inline_edge): Update. 
45         (cgraph_mark_inline): Remove. 
46         (cgraph_estimate_growth): Update. 
47         (cgraph_check_inline_limits): Remove one only argument. 
48         (cgraph_edge_badness): Update. 
49         (cgraph_decide_recursive_inlining): Update. 
50         (cgraph_decide_inlining_of_small_function): Fix handling of tree_can_inline_p 
51         and call_stmt_cannot_inline_p. 
52         (cgraph_flatten): Likewise. 
53         (cgraph_decide_inlining): Update. 
54         (cgraph_decide_inlining_incrementally): Fix handling of call_stmt_cannot_inline_p. 
55
56 2010-12-16  Joseph Myers  <joseph@codesourcery.com>
57
58         * config/darwin.opt (dylinker, headerpad_max_install_names,
59         keep_private_externs, nofixprebinding, nomultidefs, noprebind,
60         noseglinkedit, object, prebind, prebind_all_twolevel_modules,
61         preload, private_bundle, pthread, seglinkedit, twolevel_namespace,
62         twolevel_namespace_hints, whatsloaded, whyload, y, Mach, X): New
63         Driver options.
64         * config/darwin.h (LINK_SPEC): Remove '*' after
65         headerpad_max_install_names.
66
67 2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>
68
69         PR tree-optimization/46924
70         * graphite-sese-to-poly.c (detect_commutative_reduction): Do not
71         detect reductions outside the current SESE region.
72         * sese.h (stmt_in_sese_p): New.
73         (defined_in_sese_p): Call stmt_in_sese_p.
74
75 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
76
77         PR tree-optimization/46966
78         * graphite-sese-to-poly.c (build_scop_drs): Call free_gimple_bb for
79         for bbs that are removed from SCOP_BBS vector.
80
81 2010-12-16  Eric Botcazou  <ebotcazou@adacore.com>
82
83         * tree-ssa-sccvn.c (vn_reference_lookup_3): Always punt if the call to
84         get_ref_base_and_extent returns -1 as the max size.
85
86 2010-12-16  Konrad Eisele  <konrad@gaisler.com>
87             Eric Botcazou  <ebotcazou@adacore.com>
88
89         Support for LEON processor
90         * config.gcc (sparc-*-elf*): Deal with sparc-leon specifically.
91         (sparc-*-linux*): Likewise.
92         (sparc-*-rtems*): Remove Solaris left-overs.
93         (sparc*-*-*): Remove obsolete sparc86x setting.
94         (sparc-leon*): Default to --with-cpu=v8 and --with-tune=leon.
95         * doc/invoke.texi (SPARC Options): Document -mcpu/-mtune=leon.
96         * config/sparc/sparc.h (TARGET_CPU_leon): Define.
97         (TARGET_CPU_sparc86x): Delete.
98         (TARGET_CPU_cypress): Define as alias to TARGET_CPU_v7.
99         (TARGET_CPU_f930): Define as alias to TARGET_CPU_sparclite.
100         (TARGET_CPU_f934): Likewise.
101         (TARGET_CPU_tsc701): Define as alias to TARGET_CPU_sparclet.
102         (CPP_CPU_SPEC): Add entry for -mcpu=leon.
103         (enum processor_type): Add PROCESSOR_LEON.  Reorganize.
104         * config/sparc/sparc.c (leon_costs): New cost array.
105         (sparc_option_override): Add entry for TARGET_CPU_leon and -mcpu=leon.
106         Initialize cost array to leon_costs if -mtune=leon.
107         * config/sparc/sparc.md (cpu attribute): Add leon.  Reorganize.
108         Include leon.md scheduling description.
109         * config/sparc/leon.md: New file.
110         * config/sparc/t-elf: Do not assemble Solaris startup files.
111         * config/sparc/t-leon: New file.
112         * config/sparc/t-leon3: Likewise.
113
114 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
115
116         PR tree-optimization/43655
117         * tree-ssa-ter.c (is_replaceable_p): Don't use
118         gimple_references_memory_p for -O0, instead check for load
119         by looking at rhs.
120
121 2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>
122
123         PR tree-optimization/46404
124         * graphite-clast-to-gimple.c (gloog): Call scev_reset.
125
126 2010-12-16  Anatoly Sokolov  <aesok@post.ru>
127
128         * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
129         * config/sh/sh.c (sh_asm_output_addr_const_extra): New function.
130         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
131
132 2010-12-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
133
134         * config/spu/t-spu-elf (LIB2_SIDITI_CONV_FUNC): Define.
135         * config/spu/spu.h (MIN_UNITS_PER_WORD): Do not define.
136         (LIBGCC2_UNITS_PER_WORD): Define if not already defined.
137
138 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
139
140         PR debug/46893
141         * cfgexpand.c (expand_debug_expr): If GET_MODE (op0) is VOIDmode,
142         use TYPE_MODE (TREE_TYPE (tem)) instead of mode1.
143
144 2010-12-16  Chung-Lin Tang  <cltang@codesourcery.com>
145
146         PR target/46883
147         * config/arm/arm.md
148         (zero_extendhisi2 for register input splitter): Change
149         "register_operand" to "s_register_operand".
150         (zero_extendqisi2 for register input splitter): Same.
151
152 2010-12-16  Jan Hubicka  <jh@suse.cz>
153
154         PR middle-end/46939
155         * predic.c (predict_paths_leading_to_edge): New function.
156         (apply_return_prediction): Use it.
157         (predict_paths_for_bb): Do not special case abnormals.
158
159 2010-12-16  Joseph Myers  <joseph@codesourcery.com>
160
161         * config.gcc (powerpc-*-lynxos*): Don't add lynx.opt to
162         extra_options twice.
163
164 2010-12-15  Joseph Myers  <joseph@codesourcery.com>
165
166         * doc/tm.texi.in (US_SOFTWARE_GOFAST): Don't document.
167         * doc/tm.texi: Regenerate.
168         * system.h (US_SOFTWARE_GOFAST): Poison.
169         * config.gcc (enable_gofast): Don't handle.
170         * config/gofast.h: Remove.
171         * config/mips/t-gofast: Remove.
172         * config/fp-bit.c (US_SOFTWARE_GOFAST): Don't handle.
173         * config/fp-bit.h (US_SOFTWARE_GOFAST): Don't handle.
174         * config/mips/elforion.h: Don't mention GOFAST in comment.
175         * config/mips/mips.c: Don't include gofast.h.
176         (mips_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
177         * config/mips/t-sr71k (dp-bit.c, fp-bit.c): Don't define
178         US_SOFTWARE_GOFAST.
179         * config/sparc/sparc.c: Don't include gofast.h.
180         (sparc_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
181         * config/spu/t-spu-elf (dp-bit.c, fp-bit.c): Don't undefine
182         US_SOFTWARE_GOFAST.
183
184 2010-12-14  Jan Hubicka  <jh@suse.cz>
185
186         * config/darwin.opt (dylinker, headerpad_max_install_names,
187         keep_private_externs, nofixprebinding, nomultidefs, noprebind,
188         noseglinkedit, object, prebind, prebind_all_twolevel_modules,
189         preload, private_bundle, pthread, seglinkedit, twolevel_namespace,
190         twolevel_namespace_hints, whatsloaded, whyload, y, Mach, X): New
191         Driver options.
192         * config/darwin.h (LINK_SPEC): Remove '*' after
193         headerpad_max_install_names.
194
195 2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>
196
197         PR tree-optimization/46924
198         * graphite-sese-to-poly.c (detect_commutative_reduction): Do not
199         detect reductions outside the current SESE region.
200         * sese.h (stmt_in_sese_p): New.
201         (defined_in_sese_p): Call stmt_in_sese_p.
202
203 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
204
205         PR tree-optimization/46966
206         * graphite-sese-to-poly.c (build_scop_drs): Call free_gimple_bb for
207         for bbs that are removed from SCOP_BBS vector.
208
209 2010-12-16  Eric Botcazou  <ebotcazou@adacore.com>
210
211         * tree-ssa-sccvn.c (vn_reference_lookup_3): Always punt if the call to
212         get_ref_base_and_extent returns -1 as the max size.
213
214 2010-12-16  Konrad Eisele  <konrad@gaisler.com>
215             Eric Botcazou  <ebotcazou@adacore.com>
216
217         Support for LEON processor
218         * config.gcc (sparc-*-elf*): Deal with sparc-leon specifically.
219         (sparc-*-linux*): Likewise.
220         (sparc-*-rtems*): Remove Solaris left-overs.
221         (sparc*-*-*): Remove obsolete sparc86x setting.
222         (sparc-leon*): Default to --with-cpu=v8 and --with-tune=leon.
223         * doc/invoke.texi (SPARC Options): Document -mcpu/-mtune=leon.
224         * config/sparc/sparc.h (TARGET_CPU_leon): Define.
225         (TARGET_CPU_sparc86x): Delete.
226         (TARGET_CPU_cypress): Define as alias to TARGET_CPU_v7.
227         (TARGET_CPU_f930): Define as alias to TARGET_CPU_sparclite.
228         (TARGET_CPU_f934): Likewise.
229         (TARGET_CPU_tsc701): Define as alias to TARGET_CPU_sparclet.
230         (CPP_CPU_SPEC): Add entry for -mcpu=leon.
231         (enum processor_type): Add PROCESSOR_LEON.  Reorganize.
232         * config/sparc/sparc.c (leon_costs): New cost array.
233         (sparc_option_override): Add entry for TARGET_CPU_leon and -mcpu=leon.
234         Initialize cost array to leon_costs if -mtune=leon.
235         * config/sparc/sparc.md (cpu attribute): Add leon.  Reorganize.
236         Include leon.md scheduling description.
237         * config/sparc/leon.md: New file.
238         * config/sparc/t-elf: Do not assemble Solaris startup files.
239         * config/sparc/t-leon: New file.
240         * config/sparc/t-leon3: Likewise.
241
242 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
243
244         PR tree-optimization/43655
245         * tree-ssa-ter.c (is_replaceable_p): Don't use
246         gimple_references_memory_p for -O0, instead check for load
247         by looking at rhs.
248
249 2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>
250
251         PR tree-optimization/46404
252         * graphite-clast-to-gimple.c (gloog): Call scev_reset.
253
254 2010-12-16  Anatoly Sokolov  <aesok@post.ru>
255
256         * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
257         * config/sh/sh.c (sh_asm_output_addr_const_extra): New function.
258         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
259
260 2010-12-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
261
262         * config/spu/t-spu-elf (LIB2_SIDITI_CONV_FUNC): Define.
263         * config/spu/spu.h (MIN_UNITS_PER_WORD): Do not define.
264         (LIBGCC2_UNITS_PER_WORD): Define if not already defined.
265
266 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
267
268         PR debug/46893
269         * cfgexpand.c (expand_debug_expr): If GET_MODE (op0) is VOIDmode,
270         use TYPE_MODE (TREE_TYPE (tem)) instead of mode1.
271
272 2010-12-16  Chung-Lin Tang  <cltang@codesourcery.com>
273
274         PR target/46883
275         * config/arm/arm.md
276         (zero_extendhisi2 for register input splitter): Change
277         "register_operand" to "s_register_operand".
278         (zero_extendqisi2 for register input splitter): Same.
279
280 2010-12-16  Jan Hubicka  <jh@suse.cz>
281
282         PR middle-end/46939
283         * predic.c (predict_paths_leading_to_edge): New function.
284         (apply_return_prediction): Use it.
285         (predict_paths_for_bb): Do not special case abnormals.
286
287 2010-12-16  Joseph Myers  <joseph@codesourcery.com>
288
289         * config.gcc (powerpc-*-lynxos*): Don't add lynx.opt to
290         extra_options twice.
291
292 2010-12-15  Joseph Myers  <joseph@codesourcery.com>
293
294         * doc/tm.texi.in (US_SOFTWARE_GOFAST): Don't document.
295         * doc/tm.texi: Regenerate.
296         * system.h (US_SOFTWARE_GOFAST): Poison.
297         * config.gcc (enable_gofast): Don't handle.
298         * config/gofast.h: Remove.
299         * config/mips/t-gofast: Remove.
300         * config/fp-bit.c (US_SOFTWARE_GOFAST): Don't handle.
301         * config/fp-bit.h (US_SOFTWARE_GOFAST): Don't handle.
302         * config/mips/elforion.h: Don't mention GOFAST in comment.
303         * config/mips/mips.c: Don't include gofast.h.
304         (mips_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
305         * config/mips/t-sr71k (dp-bit.c, fp-bit.c): Don't define
306         US_SOFTWARE_GOFAST.
307         * config/sparc/sparc.c: Don't include gofast.h.
308         (sparc_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
309         * config/spu/t-spu-elf (dp-bit.c, fp-bit.c): Don't undefine
310         US_SOFTWARE_GOFAST.
311
312 2010-12-14  Jan Hubicka  <jh@suse.cz>
313
314         * tree.c (get_file_function_name): Avoid using random seed on GLOBAL_sub_I
315         and GLOBAL_sub_D.
316
317 2010-12-15  Martin Jambor  <mjambor@suse.cz>
318
319         PR tree-optimization/46053
320         PR middle-end/46287
321         PR middle-end/46242
322         * cgraph.h (cgraph_indirect_call_info): New field thunk_delta.
323         * gimple.h (gimple_fold_obj_type_ref): Declaration removed.
324         (gimple_fold_call): Declare.
325         (gimple_adjust_this_by_delta): Likewise.
326         * cgraph.c (cgraph_make_edge_direct): New parameter delta.  Updated
327         all users.
328         (cgraph_clone_edge): Create a copy of indirect_info also for direct
329         edges.
330         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Adjust this
331         parameters.
332         * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Renamed to
333         gimple_get_virt_mehtod_for_binfo, new parameter delta.  Do not search
334         through thunks, in fact bail out if we encounter one, check that
335         BINFO_VIRTUALS is not NULL.
336         (gimple_adjust_this_by_delta): New function.
337         (gimple_fold_obj_type_ref): Removed.
338         (gimple_fold_obj_type_ref_call): New function.
339         (fold_gimple_call): Renamed to gimple_fold_call, made external.
340         Updated users.  Call gimple_fold_obj_type_ref_call instead of
341         gimple_fold_obj_type_ref.
342         * ipa-cp.c (ipcp_process_devirtualization_opportunities): Process
343         thunk deltas.
344         (ipcp_discover_new_direct_edges): Likewise.
345         * ipa-prop.c (ipa_make_edge_direct_to_target): New parameter delta.
346         Updated callers.
347         (ipa_write_indirect_edge_info): Stream thunk_delta.
348         (ipa_read_indirect_edge_info): Likewise.
349         * tree-ssa-ccp.c (ccp_fold_stmt): Use gimple_fold_call instead of
350         gimple_fold_obj_type_ref.
351
352 2010-12-15  Alexander Monakov  <amonakov@ispras.ru>
353
354         PR rtl-optimization/46649
355         * sel-sched-ir.c (purge_empty_blocks): Unconditionally skip the first
356         basic block in the region.
357
358 2010-12-15  Joseph Myers  <joseph@codesourcery.com>
359
360         * config/stormy16/stormy16.h (LINK_SPEC, WCHAR_TYPE): Define.
361         * config.gcc (xstormy16-*-elf): Don't use svr4.h.
362
363 2010-12-15  Joseph Myers  <joseph@codesourcery.com>
364
365         * config/rx/rx.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
366         * config.gcc (rx-*-elf*): Don't use svr4.h.
367
368 2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>
369
370         PR tree-optimization/46845
371         * sese.c (scalar_evolution_in_region): Handle scop parameters
372         before scev analysis.
373
374 2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>
375
376         PR tree-optimization/46928
377         * tree-data-ref.c (analyze_overlapping_iterations): Handle "A[p] == A[p]"
378         in data dependence analysis with p a parameter of the loop.
379
380 2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>
381
382         PR tree-optimization/45948
383         * tree-loop-distribution.c (ssa_name_has_uses_outside_loop_p): New.
384         (stmt_has_scalar_dependences_outside_loop): New.
385         (stmt_generated_in_another_partition): New.
386         (add_scalar_computations_to_partition): New.
387         (rdg_build_partitions): Call add_scalar_computations_to_partition.
388
389 2010-12-14  Joseph Myers  <joseph@codesourcery.com>
390
391         * config/arc/arc.h (LIB_SPEC): Define.
392         * config.gcc (arc-*-elf*): Don't use svr4.h.
393
394 2010-12-14  Joseph Myers  <joseph@codesourcery.com>
395
396         * config/sh/elf.h (LIB_SPEC): Define.
397         * config.gcc (sh-*-elf* | sh[12346l]*-*-elf* | sh-*-symbianelf* |
398         sh[12346l]*-*-symbianelf* | sh-*-linux* | sh[2346lbe]*-*-linux* |
399         sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* |
400         sh5l*-*-netbsd* | sh64-*-netbsd* | sh64l*-*-netbsd*, sh-*-rtems*,
401         sh-wrs-vxworks): Don't use svr4.h.
402
403 2010-12-14  Jan Hubicka  <jh@suse.cz>
404
405         PR lto/46940
406         PR lto/44463
407         * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Construct nodes
408         for aliases when they are used.
409
410 2010-12-14  Joseph Myers  <joseph@codesourcery.com>
411
412         * config.gcc (sparc-*-elf*, sparc-*-rtems*, sparc-*-linux*,
413         sparc-*-netbsdelf*, sparc*-*-solaris2*, sparc-wrs-vxworks,
414         sparc64-*-elf*, sparc64-*-rtems*, sparc64-*-linux*,
415         sparc64-*-netbsd*, sparc64-*-openbsd*): Don't use svr4.h.
416
417 2010-12-14  Thomas Klein  <th.r.klein@web.de>
418
419         * config/arm/arm.c (arm_expand_prologue): Report the static stack
420         size if -fstack-usage is used.
421         (thumb1_expand_prologue): Likewise.
422
423 2010-12-14  Jakub Jelinek  <jakub@redhat.com>
424
425         PR debug/46885
426         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Use gsi_last_bb
427         instead of gsi_last_nondebug_bb if bump_in_latch.
428
429         PR tree-optimization/46909
430         * gimple-fold.c (and_var_with_comparison_1): Save partial
431         result even in the is_and case, if both partial results
432         are the same, return it.
433         (or_var_with_comparison_1): Use is_or predicate instead of
434         innercode == TRUTH_OR_EXPR test.  Save partial result
435         even in the is_or case, if both partial results are the
436         same, return it.  In the !is_or case when both partial
437         results are the same, return the partial result instead
438         of boolean_true_node.
439
440 2010-12-14  Jan Hubicka  <jh@suse.cz>
441
442         PR middle-end/46667
443         * varasm.c (assemble_start_function): Do not call resolve_unique_section.
444         * cfgexpand.c (gimple_expand_cfg): Resolve it here.
445
446 2010-12-14  Alexander Monakov  <amonakov@ispras.ru>
447
448         PR rtl-optimization/46875
449         * sched-vis.c (print_pattern): Dump "sequence" for ADDR_VECs.
450         * sel-sched-ir.c (bb_has_removable_jump_to_p): Forbid table jumps.
451
452 2010-12-14  Kaushik Phatak <kaushik.phatak@kpitcummins.com>
453
454         * config/h8300/h8300.md (define_split) : Add condition for
455         "and with single_zero" splitter to handle 16-bit const operands.
456         * config/h8300/h8300.md (define_split) : Add condition for
457         "ior with single_one" splitter to handle 16-bit const operands.
458         * config/h8300/h8300.md (define_split) : Add condition for
459         "xor with single_one" splitter to handle 16-bit const operands. 
460         * testsuite/gcc.dg/h8300-bit-insn-ice.c: New.
461
462 2010-12-13  Jan Hubicka  <jh@suse.cz>
463
464         PR middle-end/45388
465         * ipa.c (cgraph_build_static_cdtor_1): Break out from ... ; add FINAL parameter.
466         (cgraph_build_static_cdtor): ... here.
467         (build_cdtor): Use cgraph_build_static_cdtor_1.
468
469 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
470
471         * config/m32c/m32c.h (ENDFILE_SPEC, LINK_SPEC, SIZE_TYPE,
472         PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
473         * config.gcc (m32c-*-rtems*, m32c-*-elf*): Don't use svr4.h.
474
475 2010-12-14  Bernd Schmidt  <bernds@codesourcery.com>
476
477         PR rtl-optimization/44374
478         Reapply patch with fixes.
479         * basic-block.h (enum bb_flags): Add BB_MODIFIED.
480         * df-core.c (df_set_bb_dirty): Set it.
481         * ifcvt.c (find_memory): Remove function.
482         (dead_or_predicable): Use can_move_insns_across.
483         * df.h (can_move_insns_across): Declare function.
484         * cfgcleanup.c (block_was_dirty): New static variable.
485         (flow_find_head_matching_sequence): Test for epilogue notes.
486         (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
487         than df_get_bb_dirty.
488         (try_head_merge_bb): New static function.
489         (try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
490         is set.
491         * df-problems.c: Include "target.h"
492         (df_simulate_find_uses): New static function.
493         (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
494         (find_memory, find_memory_store): New static functions.
495         (can_move_insns_across): New function.
496         * Makefile.in (df-problems.o): Update dependencies.
497
498 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
499
500         * config/xtensa/elf.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
501         (DBX_REGISTER_NUMBER): Undefine.
502         * config/xtensa/linux.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
503         (DBX_REGISTER_NUMBER): Undefine.
504         * config.gcc (xtensa*-*-elf*, xtensa*-*-linux*): Don't use svr4.h.
505
506 2010-12-13  Jack Howarth <howarth@bromo.med.uc.edu>
507             Joseph Myers <joseph@codesourcery.com>
508
509         PR bootstrap/46650
510         * system.h: Include cstring for cxx bootstrap.
511
512 2010-12-13  Jakub Jelinek  <jakub@redhat.com>
513
514         PR lto/46879
515         * lto-streamer-out.c (output_gimple_stmt): Never replace first
516         GIMPLE_DEBUG argument with MEM_REF.
517
518         PR debug/46867
519         * var-tracking.c (emitted_notes, string_pointer_flags): Removed.
520         (emit_note_insn_var_location): Remove ENABLE_RTL_CHECKING verification.
521         (vt_emit_notes): Don't initialize and destroy emitted_notes.
522
523 2010-12-13  Nathan Froyd  <froydnj@codesourcery.com>
524
525         PR target/46040
526         * config.gcc (arm*-*-linux-*eabi): Use bpabi-lib.h.
527         (arm*-*-uclinux*eabi, arm*-*-eabi*): Likewise.
528
529 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
530
531         * config/v850/v850.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
532         WCHAR_TYPE_SIZE): Define.
533         * config.gcc (v850e1-*-*, v850e-*-*, v850-*-*): Don't use svr4.h.
534
535 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
536
537         * config.gcc (s390-*-linux*, s390x-*-linux*, s390x-ibm-tpf*):
538         Don't use svr4.h.
539
540 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
541
542         * config/mn10300/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
543         WCHAR_TYPE_SIZE): Undefine.
544         * config/mn10300/mn10300.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
545         WCHAR_TYPE_SIZE): Define.
546         * config.gcc (mn10300-*-*): Don't use svr4.h.
547
548 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
549
550         * config/m68k/linux.h (DBX_REGISTER_NUMBER): Undefine and
551         redefine.
552         (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
553         * config.gcc (m68k-*-uclinux*, m68k-*-linux*): Don't use svr4.h.
554
555 2010-12-13  Alexandre Oliva  <aoliva@redhat.com>
556
557         PR debug/46756
558         * jump.c (mark_all_labels): Skip debug insns.
559
560 2010-12-13  Alexandre Oliva  <aoliva@redhat.com>
561
562         PR debug/46782
563         * cfgcleanup.c (try_forward_edges): Skip debug insns.
564
565 2010-12-12  Jan Hubicka  <jh@suse.cz>
566             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
567
568         * varasm.c (default_function_section): Check flag_reorder_functions
569         and targetm.have_named_sections.
570         * config/darwin.c (darwin_function_section): Check
571         flag_reorder_functions.
572
573 2010-12-12  Finn Thain  <fthain@telegraphics.com.au>
574
575         PR target/46179
576         * config/m68k/m68k.c (handle_move_double): Insert calls to
577         m68k_final_prescan_insn to clean up @TLS operand syntax.
578
579 2010-12-10  Sebastian Pop  <sebastian.pop@amd.com>
580
581         PR tree-optimization/43023
582         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p):
583         Removed.
584         (stores_zero_from_loop): Call stmt_stores_zero.
585         * tree-data-ref.h (stmt_stores_zero): New.
586         * tree-loop-distribution.c (generate_memset_zero): Do not return a
587         boolean.  Call gcc_assert on stride_of_unit_type_p.
588         (generate_builtin): Call stmt_stores_zero.
589         (rdg_flag_all_uses): Removed.
590         (rdg_flag_similar_memory_accesses): Removed.
591         (build_rdg_partition_for_component): Removed parameter
592         other_stores.  Removed call to rdg_flag_similar_memory_accesses.
593         (can_generate_builtin): New.
594         (similar_memory_accesses): New.
595         (fuse_partitions_with_similar_memory_accesses): New.
596         (rdg_build_partitions): Call
597         fuse_partitions_with_similar_memory_accesses.
598
599 2010-12-10  Jakub Jelinek  <jakub@redhat.com>
600
601         PR rtl-optimization/46804
602         * regmove.c (optimize_reg_copy_3): Look for REG_EQUAL note
603         on the setter of src_reg rather than on insn.  If it is
604         equal to the setter's original SET_SRC, replace it with its
605         zero or sign extension instead of dropping it.
606
607 2010-12-10  Richard Guenther  <rguenther@suse.de>
608
609         PR lto/46808
610         * lto-symtab.c (lto_symtab_merge_decls_2): Avoid type warnings
611         after errors.
612         (lto_symtab_merge_decls_1): Adjust.
613
614 2010-12-10  Dave Korn  <dave.korn.cygwin@gmail.com>
615
616         PR middle-end/46674
617         PR lto/43157
618         * target.def (mangle_assembler_name): New target asm_out hook.
619         * targhooks.c (default_mangle_assembler_name): Add default hook
620         implementation.
621         * targhooks.h (default_mangle_assembler_name): Add prototype.
622         * lto-symtab.c (lto_symtab_register_decl): Use new hook when
623         processing DECL_ASSEMBLER_NAMEs for lto symtabs.
624         (lto_symtab_get_resolution): Likewise.
625         (lto_cgraph_replace_node): Likewise.
626         (lto_symtab_prevailing_decl): Likewise.
627         * lto-streamer-out.c (write_symbol): Likewise.
628         * doc/tm.texi.in (TARGET_MANGLE_ASSEMBLER_NAME): Add @hook directive.
629         * doc/tm.texi: Regenerate.
630         * config/i386/cygming.h (TARGET_MANGLE_ASSEMBLER_NAME): Define to
631         point at i386_pe_mangle_assembler_name.
632         * config/i386/winnt.c (i386_pe_mangle_assembler_name): New function.
633         * config/i386/i386-protos.h (i386_pe_mangle_assembler_name): Add
634         prototype.
635
636 2010-12-10  Nathan Froyd  <froydnj@codesourcery.com>
637
638         * c-typeck.c (readonly_error): Delete.
639
640 2010-12-10  Jakub Jelinek  <jakub@redhat.com>
641
642         PR rtl-optimization/46865
643         * rtl.c (rtx_equal_p_cb, rtx_equal_p): For last operand of
644         ASM_OPERANDS and ASM_INPUT if integers are different,
645         call locator_eq.
646         * jump.c (rtx_renumbered_equal_p): Likewise.
647
648         PR tree-optimization/46864
649         * tree-ssa-loop-im.c (loop_suitable_for_sm): Return false even
650         when there are EDGE_EH exit edges.
651
652 2010-12-10  Tobias Burnus  <burnus@net-b.de>
653
654         PR fortran/46540
655         * configure.ac: Handle --disable-libquadmath-support.
656         * doc/install.texi: Document --disable-libquadmath and
657         --disable-libquadmath-support
658         * configure: Regenerate.
659         * config.in: Regenerate.
660
661 2010-12-10  Jack Howarth  <howarth@bromo.med.uc.edu>
662             Iain Sandoe  <iains@gcc.gnu.org>
663
664         PR 43751/target
665         * config/darwin9.h (DSYMUTIL_SPEC): Add fortran source types.
666
667 2010-12-10  Iain Sandoe <iains@gcc.gnu.org>
668
669         * config/rs6000/rs6000.c
670         (rs6000_darwin64_record_arg_advance_recurse): Name register increment
671         explicitly.  (rs6000_darwin64_record_arg_recurse): Make sure we split
672         long doubles when we run out of regs.   Also flag that this requires
673         stack and therefore cannot be returned by value.
674         (rs6000_darwin64_record_arg): Update comment.
675         (rs6000_function_value): Likewise.
676
677 2010-12-10  Nicola Pero  <nicola.pero@meta-innovation.com>
678
679         * c-parser.c (c_parser_objc_class_definition): Recognize
680         Objective-C 2.0 class extensions.
681
682 2010-12-10  Iain Sandoe <iains@gcc.gnu.org>
683
684         * config/darwin.c: Remove c-tree.h and c-lang.h
685         * config/t-darwin: Remove dependencies on c-tree.h and c-lang.h.
686
687 2010-12-10  Joern Rennecke  <amylaar@spamcop.net>
688
689         PR target/46881
690         * doc/tm.texi: Regenerate.
691         * target.def: Fix "preferred" spelling.  Refer to rclass by its
692         exact name.
693         * config/arm/arm.c (arm_preferred_rename_class): Rename parameter class
694         to rclass.
695
696 2010-12-09  Paul Koning  <ni1d@arrl.net>
697
698         * config/pdp11/pdp11-protos.h (output_move_double,
699         output_move_quad): Delete.
700         (output_move_multiple, pdp11_expand_operands): New functions.
701         (pdp11_action, pdp11_partorder): New enums.
702         * config/pdp11/pdp11.md (movdi, movsi, movdf, movsf): Use
703         output_move_multiple.
704         (adddi3, subdi3, negdi2): New patterns.
705         (addsi3, subsi3, negsi2): Use pdp11_expand_operands.
706         (abshi2): Delete.
707         (neghi2, negqi2): Use PDPint iterator.
708         * config/pdp11/pdp11.c (find_addr_reg, output_move_double,
709         output_move_quad): Delete.
710         (pdp11_expand_operands, output_move_multiple): New functions.
711
712 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
713
714         * config/vax/linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
715         * config.gcc (vax-*-linux*): Don't use svr4.h.
716
717 2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>
718
719         * c-typeck.c (build_indirect_ref): Call invalid_indirection_error.
720
721 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
722
723         * doc/extend.texi (Attribute Syntax): Correct description of
724         attributes in pointer declarators.
725
726 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
727
728         * config/mips/vxworks.h (DBX_REGISTER_NUMBER): Undefine.
729         * config.gcc (mips64*-*-linux* | mipsisa64*-*-linux*,
730         mips*-*-linux*, mips-wrs-vxworks): Don't use svr4.h.
731
732 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
733
734         * config/mep/mep.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
735         WCHAR_TYPE_SIZE): Define.
736         * config.gcc (mep-*-*): Don't use svr4.h.
737
738 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
739
740         * config/mcore/mcore.h (PTRDIFF_TYPE, WCHAR_TYPE,
741         WCHAR_TYPE_SIZE): Define.
742         * config/svr3.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
743         WCHAR_TYPE_SIZE): Don't define.
744         * config.gcc (mcore-*-elf): Don't use svr4.h.
745
746 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
747
748         * config.gcc (m32r-*-elf*, m32rle-*-elf*, m32r-*-rtems*,
749         m32r-*-linux*, m32rle-*-linux*): Don't use svr4.h.
750
751 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
752
753         * config/iq2000/iq2000.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
754         WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
755         * config.gcc (iq2000*-*-elf*): Don't use svr4.h.
756
757 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
758
759         * config.gcc (ia64*-*-linux*, ia64*-*-hpux*): Don't use svr4.h.
760
761 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
762
763         * config/pa/pa32-linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
764         * config.gcc (hppa*64*-*-linux*, hppa*-*-linux*): Don't use
765         svr4.h.
766
767 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
768
769         * config/moxie/moxie.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
770         WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
771         * config/moxie/rtems.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
772         WCHAR_TYPE, WCHAR_TYPE_SIZE): Undefine.
773         * config.gcc (moxie-*-elf, moxie-*-uclinux*): Don't use svr4.h.
774
775 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
776
777         * config/frv/frv.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
778         WCHAR_TYPE_SIZE): Define.
779         * config.gcc (frv-*-elf, frv-*-*linux*): Don't use svr4.h.
780
781 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
782
783         * config/fr30/fr30.h (LIB_SPEC, LINK_SPEC, SIZE_TYPE,
784         PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
785         * config.gcc (fr30-*-elf): Don't use svr4.h.
786
787 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
788
789         * config/cris/linux.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
790         * config.gcc (crisv32-*-linux* | cris-*-linux*): Don't use svr4.h.
791
792 2010-12-09  Richard Guenther  <rguenther@suse.de>
793
794         PR middle-end/46844
795         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
796         addresses.
797
798 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
799
800         * config/i386/netware.h (TARGET_POSIX_IO): Define.
801         * config/i386/nto.h (TARGET_POSIX_IO): Define.
802         * config/ia64/hpux.h (TARGET_POSIX_IO): Define.
803         * config/moxie/moxie.h (TARGET_POSIX_IO): Don't undefine.
804         * config/openbsd.h (TARGET_POSIX_IO): Define.
805         * config/rtems.h (TARGET_POSIX_IO): Define.
806         * config/sh/embed-elf.h (TARGET_POSIX_IO): Don't undefine.
807         * config/sol2.h (TARGET_POSIX_IO): Define.
808         * config/svr4.h (TARGET_POSIX_IO): Don't define.
809         * config/vxworksae.h (TARGET_POSIX_IO): Define.
810
811 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
812
813         * config/i386/nto.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
814         * config/ia64/hpux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
815         Define.
816         * config/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
817         undefine.
818         * config/mips/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
819         undefine.
820         * config/mips/netbsd.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
821         Don't undefine.
822         * config/rs6000/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
823         Don't undefine.
824         * config/rs6000/linux64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
825         Don't undefine.
826         * config/sol2.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
827         * config/sparc/netbsd-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
828         Don't undefine.
829         * config/sparc/openbsd64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
830         Don't undefine.
831         * config/sparc/sp64-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
832         Don't undefine.
833         * config/svr4.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
834         define.
835         * config/xtensa/elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
836         undefine.
837
838 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
839
840         * config/ia64/hpux.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
841         non-GNU assembler.
842         * config/m68k/netbsd-elf.h (AS_NEEDS_DASH_FOR_PIPED_INPUT):
843         Remove.
844         * config/m68k/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
845         * config/mips/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
846         * config/sol2.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
847         non-GNU assembler.
848         * config/sparc/sparc.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
849         * config/svr4.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
850
851 2010-12-09  Martin Jambor  <mjambor@suse.cz>
852
853         * ipa-prop.c (compute_complex_ancestor_jump_func): Work also if the
854         zero is the first phi parameter.
855
856 2010-12-09  Martin Jambor  <mjambor@suse.cz>
857
858         * ipa-prop.h (struct ipa_parm_adjustment): New field alias_ptr_type.
859         * ipa-prop.c (ipa_modify_call_arguments): Use it.
860         * tree-sra.c (splice_param_accesses): Test that all accesses have the
861         same alias reference type.
862         (turn_representatives_into_adjustments): Set alias_ptr_type of the
863         adjustment.
864
865 2010-12-09  Martin Jambor  <mjambor@suse.cz>
866
867         PR middle-end/46734
868         * tree-sra.c (splice_param_accesses): Check that there are not
869         multiple ADDRESSABLE types.
870
871 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
872
873         * config/arc/arc.h (ASM_SPEC): Remove %{v}.
874         * config/bfin/bfin.h (ASM_SPEC): Remove %{v}.
875         * config/cris/cris.h (ASM_SPEC): Remove %{v:-v}.
876         * config/fr30/fr30.h (ASM_SPEC): Remove %{v}.
877         * config/frv/frv.h (ASM_SPEC): Remove %{v}.
878         * config/i386/linux.h (ASM_SPEC): Remove %{v}.
879         * config/i386/linux64.h (ASM_SPEC): Remove %{v}.
880         * config/i386/mingw-w64.h (ASM_SPEC): Remove %{v}.
881         * config/i386/sol2-10.h (ASM_SPEC): Remove %{v}.
882         * config/i386/vxworks.h (ASM_SPEC): Remove %{v}.
883         * config/i386/x86-64.h (ASM_SPEC): Remove %{v}.
884         * config/lm32/lm32.h (ASM_SPEC): Remove %{v}.
885         * config/m32r/m32r.h (ASM_SPEC): Remove %{v}.
886         * config/m68k/linux.h (ASM_SPEC): Remove %{v:-V}.
887         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{v}.
888         * config/mips/mips.h (ASM_SPEC): Remove %{v}.
889         * config/mips/vxworks.h (ASM_SPEC): Remove %{v}.
890         * config/pa/pa-linux.h (ASM_SPEC): Remove %{v:-V}.
891         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Remove %{v}.
892         * config/rs6000/linux64.h (ASM_SPEC): Remove %{v:-V}.
893         * config/rs6000/vxworks.h (ASM_SPEC): Remove %{v:-v}.
894         * config/sparc/openbsd64.h (ASM_SPEC): Remove %{v:-V}.
895         * config/svr4.h (SVR4_ASM_SPEC): Remove %{v:-V}.
896         * config/xtensa/elf.h (ASM_SPEC): Remove %{v}.
897         * config/xtensa/linux.h (ASM_SPEC): Remove %{v}.
898
899 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
900
901         * config/i386/openbsdelf.h (LINK_SPEC): Use %{r:} not %{r*:}.
902         * config/mips/openbsd.h (LINK_SPEC): Use %{r:} not %{r*:}.
903         * config/netbsd-aout.h (NETBSD_LINK_SPEC_AOUT): Use %{r:} not
904         %{r*:}.
905         * config/netbsd-elf.h (NETBSD_LINK_SPEC_ELF): Use %{r:} not
906         %{r*:}.
907         * config/sparc/openbsd64.h (LINK_SPEC): Use %{r:} not %{r*:}.
908         * config/vax/netbsd-elf.h (LINK_SPEC): Use %{r:} not %{r*:}.
909
910 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
911
912         * config/alpha/freebsd.h (LINK_SPEC): Don't use
913         %{!dynamic-linker:}.
914         * config/alpha/linux-elf.h (LINK_SPEC): Likewise.
915         * config/arm/freebsd.h (LINK_SPEC): Likewise.
916         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Likewise.
917         * config/bfin/linux.h (LINK_SPEC): Likewise.
918         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Likewise.
919         * config/frv/linux.h (LINK_SPEC): Likewise.
920         * config/i386/freebsd.h (LINK_SPEC): Likewise.
921         * config/i386/freebsd64.h (LINK_SPEC): Likewise.
922         * config/i386/linux.h (LINK_SPEC): Likewise.
923         * config/i386/linux64.h (LINK_SPEC): Likewise.
924         * config/i386/openbsdelf.h (LINK_SPEC): Likewise.
925         * config/ia64/freebsd.h (LINK_SPEC): Likewise.
926         * config/ia64/linux.h (LINK_SPEC): Likewise.
927         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
928         * config/m32r/linux.h (LINK_SPEC): Likewise.
929         * config/m68k/linux.h (LINK_SPEC): Likewise.
930         * config/microblaze/linux.h (LINK_SPEC): Likewise.
931         * config/mips/linux.h (LINK_SPEC): Likewise.
932         * config/mips/linux64.h (LINK_SPEC): Likewise.
933         * config/mips/openbsd.h (LINK_SPEC): Likewise.
934         * config/mn10300/linux.h (LINK_SPEC): Likewise.
935         * config/netbsd-elf.h (LINK_SPEC): Likewise.
936         * config/pa/pa-linux.h (LINK_SPEC): Likewise.
937         * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC32,
938         LINK_OS_LINUX_SPEC64): Likewise.
939         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC,
940         LINK_OS_LINUX_SPEC, LINK_OS_GNU_SPEC, LINK_OS_NETBSD_SPEC):
941         Likewise.
942         * config/s390/linux.h (LINK_SPEC): Likewise.
943         * config/sh/linux.h (SUBTARGET_LINK_SPEC): Likewise.
944         * config/sparc/freebsd.h (LINK_SPEC): Likewise.
945         * config/sparc/linux.h (LINK_SPEC): Likewise.
946         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
947         LINK_SPEC): Likewise.
948         * config/sparc/openbsd64.h (LINK_SPEC): Likewise.
949         * config/vax/linux.h (LINK_SPEC): Likewise.
950         * config/xtensa/linux.h (LINK_SPEC): Likewise.
951
952 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
953
954         * config/bfin/bfin.h (ASM_SPEC): Remove %{n} and %{T}.
955         * config/frv/frv.h (ASM_SPEC): Likewise.
956         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
957         * config/i386/sol2.h (ASM_SPEC): Likewise.
958         * config/m68k/linux.h (ASM_SPEC): Likewise.
959         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
960         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
961         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
962         * config/sol2.h (ASM_SPEC): Likewise.
963         * config/sparc/linux.h (ASM_SPEC): Likewise.
964         * config/sparc/linux64.h (ASM_SPEC): Likewise.
965         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
966         * config/sparc/sysv4.h (ASM_SPEC): Likewise.
967         * config/svr4.h (SVR4_ASM_SPEC): Likewise.
968
969 2010-12-09  Richard Guenther  <rguenther@suse.de>
970
971         * reginfo.c (struct subregs_of_mode_node): Remove.
972         (subregs_of_mode): Likewise.
973         (som_hash): Likewise.
974         (som_eq): Likewise.
975         (invalid_mode_changes): New bitmap.
976         (record_subregs_of_mode): Get subregs_of_mode argument.
977         Fill in invalid_mode_changes bitmap.
978         (find_subregs_of_mode): Get subregs_of_mode argument and pass
979         it through.
980         (init_subregs_of_mode): Adjust.
981         (finish_subregs_of_mode): Likewise.
982         (invalid_mode_change_p): Query invalid_mode_changes bitmap.
983
984 2010-12-09  Richard Guenther  <rguenther@suse.de>
985
986         * ira.c (ira): Do not call finish_subregs_of_mode.
987         * ira-costs.c (finish_costs): Call finish_subregs_of_mode.
988
989 2010-12-09  Richard Guenther  <rguenther@suse.de>
990
991         * rtl.h (invalid_mode_change_p): Adjust prototype.
992         * reginfo.c (invalid_mode_change_p): Remove from argument.
993         * ira-costs.c (print_allocno_costs): Adjust callers.
994         (find_costs_and_classes): Likewise.
995
996 2010-12-09  Jakub Jelinek  <jakub@redhat.com>
997
998         * config/s390/s390.md (*mov<mode>cc): Change lgoc and stgoc to
999         locg and stocg even in comment.
1000         (sync_old_<atomic><mode>): Give mode to UNSPEC_VOLATILE.
1001
1002         PR target/41082
1003         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Use stvx
1004         instead of stve*x.
1005         (altivec_expand_stv_builtin): For op0 use mode of operand 1 instead
1006         of operand 0.
1007         * config/rs6000/altivec.md (VI_scalar): New mode attr.
1008         (altivec_stve<VI_char>x, *altivec_stvesfx): Use scalar instead of
1009         vector mode for operand 0, put operand 1 into UNSPEC.
1010
1011 2010-12-09  Yao Qi  <yao@codesourcery.com>
1012
1013         * config/arm/arm.c (arm_preferred_rename_class): Implement targethook
1014         PREFERRED_RENAME_CLASS.
1015
1016 2010-12-08  Ian Lance Taylor  <iant@google.com>
1017
1018         * doc/sourcebuild.texi (Front End): Remove reference to
1019         snapshot-README and snapshot-index.html.
1020
1021 2010-12-08  Ian Lance Taylor  <iant@google.com>
1022
1023         * doc/sourcebuild.texi (Texinfo Manuals): Change update_web_docs
1024         to update_web_docs_svn.
1025         (Front End): Likewise.
1026
1027 2010-12-08  Iain Sandoe <iains@gcc.gnu.org>
1028
1029         gcc/config.gcc (with_cpu): Default i[34567]86-*-darwin* and
1030         x86_64-*-darwin* to with_cpu:-core2.
1031         gcc/config/i386/mmx.md (*mov<mode>_internal_rex64): Replace movq
1032         with movd for darwin assembler.
1033         gcc/config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
1034         (*vec_concatv2di_rex64_sse): Ditto.
1035
1036 2010-12-08  Richard Guenther  <rguenther@suse.de>
1037             Sebastian Pop  <sebastian.pop@amd.com>
1038
1039         PR tree-optimization/45230
1040         PR tree-optimization/45231
1041         PR tree-optimization/45370
1042         * sese.c (rename_uses): Returns a bool.  Call
1043         recompute_tree_invariant_for_addr_expr only on the RHS of a
1044         GIMPLE_ASSIGN.
1045         (graphite_copy_stmts_from_block): Call fold_stmt_inplace when
1046         rename_uses returns true.
1047         * tree-ssa-copy.c (replace_exp): Add a comment about calling
1048         fold_stmt_inplace after replace_exp.
1049
1050 2010-12-08  Mike Stump  <mikestump@comcast.net>
1051
1052         PR debug/46749
1053         * config/darwin.h (COLLECT_RUN_DSYMUTIL): Add.
1054         (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
1055         * config/darwin9.h (COLLECT_RUN_DSYMUTIL): Add.
1056         (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
1057         * collect2.c (post_ld_pass): Add.
1058         (process_args): Add.
1059         (maybe_run_lto_and_relink): Call post_ld_pass after ld.
1060         (main): Likewise.  Call process_args.
1061
1062 2010-12-08  Jakub Jelinek  <jakub@redhat.com>
1063
1064         PR middle-end/46844
1065         * regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
1066         parameter.
1067
1068 2010-12-08  Richard Earnshaw  <rearnsha@arm.com>
1069
1070         PR target/46631
1071         * arm.c (thumb2_reorg): Also try to reduce <commutative_op> Rd, Rn, Rd
1072         into a 16-bit instruction.
1073
1074 2010-12-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
1075
1076         PR middle-end/42694
1077         * builtins.c (expand_builtin_pow_root): Don't optimize pow(x,y)
1078         where y is 0.25, 1./6., or 0.75 if the target does not have a sqrt
1079         instruction, but do optimize if y is 0.5 or 1./3. since that
1080         changes an expensive call into a cheaper one.
1081
1082 2010-12-08  Richard Guenther  <rguenther@suse.de>
1083
1084         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
1085         instead of a division to divide by BITS_PER_UNIT.
1086
1087 2010-12-08  Richard Guenther  <rguenther@suse.de>
1088
1089         * gimplify.c (gimple_tree_eq): Assert hashes are equal only
1090         when checking is enabled.
1091
1092 2010-12-07  Andrey Belevantsev  <abel@ispras.ru>
1093
1094         PR target/43603
1095         * haifa-sched.c (sched_create_recovery_edges): Update
1096         dominator info.
1097         * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
1098         after deleting an empty block.
1099         (tidy_control_flow): Also verify dominators.
1100         (sel_remove_bb): Update dominator info after removing a block.
1101         (sel_redirect_edge_and_branch_force): Assert that no unreachable
1102         blocks will be created. Update dominator info.
1103         (sel_redirect_edge_and_branch): Update dominator info when
1104         basic blocks do not become unreachable.
1105         (sel_remove_loop_preheader): Update dominator info.
1106
1107 2010-12-07  Richard Guenther  <rguenther@suse.de>
1108
1109         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
1110         Reset alignment information.
1111         (bump_vector_ptr): Likewise.
1112
1113 2010-12-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1114
1115         PR middle-end/46671
1116         PR target/46685
1117         * config/pa/pa.c (pa_function_section): New function.
1118         (TARGET_ASM_FUNCTION_SECTION): Define.
1119
1120 2010-12-07  Ian Lance Taylor  <iant@google.com>
1121             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1122
1123         PR bootstrap/46810
1124         * configure.ac: Disable AC_MSG_ERROR while looking for the C++
1125         preprocessor.
1126         * configure: Rebuild.
1127
1128 2010-12-07  Paul Koning  <ni1d@arrl.net>
1129
1130         * config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
1131         values with sign rather than as unsigned.
1132
1133 2010-12-07  Paul Koning  <ni1d@arrl.net>
1134
1135         * config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
1136         (pdp11_function_section): New function.
1137
1138 2010-12-07  Joseph Myers  <joseph@codesourcery.com>
1139
1140         * config/mcore/mcore.c Don't include assert.h.
1141         (layout_mcore_frame, handle_structs_in_regs): Use gcc_assert.
1142         * config/spu/spu.c: Don't include assert.h.
1143         (spu_sms_res_mii): Use gcc_assert.
1144
1145 2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         PR tree-optimization/42327
1148         * tree-data-ref.c (omega_setup_subscript): Call build_int_cst
1149         instead of using integer_minus_one_node.
1150
1151 2010-12-07  Nathan Froyd  <froydnj@codesourcery.com>
1152
1153         PR c++/45330
1154         * params.def (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP): New parameter.
1155         * doc/invoke.texi (cxx-max-namespaces-for-diagnostic-help): Document.
1156
1157 2010-12-07  Richard Guenther  <rguenther@suse.de>
1158
1159         PR tree-optimization/46832
1160         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Check
1161         that the call has a lhs.
1162
1163 2010-12-07  Yao Qi  <yao@codesourcery.com>
1164
1165         * Makefile.in: Add $(TARGET_H) to the regrename.o rule.
1166         * regrename.c (struct du_head): Add new element length.
1167         (sort_du_head, get_element, merge, merge_sort_comparison):
1168         New functions of merge sort implementation to du_head list.
1169         (regrename_optimize): Sort du_head linked list by length.
1170         Iterate registers in a preferred-register-first order.
1171         Move some code to ...
1172         (check_new_reg_p): here.  New function.
1173         (create_new_chain):  Initialize length.
1174         (scan_rtx_reg): Increase length for non-debug insns.
1175         * target.def: New hook preferred_rename_class.
1176         * targhook.c (default_preferred_rename_class): New.
1177         * targhook.h: Declare it.
1178         * doc/tm.texi.in: New hook TARGET_PREFERRED_RENAME_CLASS.
1179         * doc/tm.texi: Regenerate.
1180
1181 2010-12-07  Jakub Jelinek  <jakub@redhat.com>
1182
1183         PR debug/46799
1184         * tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION
1185         instead of BUILTINS_LOCATION.
1186         (create_loop_fn): Add LOC argument, pass it to build_decl instead of
1187         BUILTINS_LOCATION.
1188         (create_parallel_loop): Add LOC argument, use it for OMP clauses
1189         and GIMPLE_*OMP* statements.
1190         (gen_parallel_loop): Determine locus for the parallel loop, pass it
1191         to create_loop_fn and create_parallel_loop.
1192         * cfgexpand.c (gimple_expand_cfg): For builtin functions, call
1193         set_curr_insn_source_location (UNKNOWN_LOCATION).
1194
1195 2010-12-07  Joern Rennecke  <amylaar@spamcop.net>
1196             Richard Guenther  <rguenther@suse.de>
1197
1198         PR target/46737
1199         * config/bfin/bfin.c (BB_AUX_INDEX): Cast to intptr_t.
1200         (bfin_reorder_loops): Change type of index to intptr_t.
1201
1202 2010-12-07  Richard Guenther  <rguenther@suse.de>
1203
1204         PR tree-optimization/46726
1205         * tree-inline.c (estimate_num_insns): Special case pow (x, 2.0).
1206
1207 2010-12-07  Richard Guenther  <rguenther@suse.de>
1208
1209         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
1210         virtual operands.
1211
1212 2010-12-07  Nicola Pero  <nicola.pero@meta-innovation.com>
1213
1214         * c-parser.c (c_parser_typeof_specifier): Removed special
1215         treatment of objc_volatilized attribute for Objective-C.
1216
1217 2010-12-06  Vladimir Makarov  <vmakarov@redhat.com>
1218
1219         * ira.c (update_equiv_regs): Prohibit move insns if
1220         pressure-sensitive scheduling was done.
1221
1222 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
1223
1224         * c-parser.c (c_parser_for_statement): Use c_fully_fold() instead
1225         of c_process_expr_stmt() for the iterating and collection
1226         expressions of an Objective-C fast enumeration loop.
1227
1228 2010-12-06  Jakub Jelinek  <jakub@redhat.com>
1229
1230         PR debug/45997
1231         * dwarf2out.c (modified_type_die): If both is_const_type and
1232         is_volatile_type is set, start with DW_TAG_const_type or
1233         DW_TAG_volatile_type depending on where we get qualified type
1234         in the recursive call.
1235
1236         PR target/43897
1237         * config/ia64/ia64.c (rtx_needs_barrier): Handle asm CLOBBER
1238         as a store into that register.
1239
1240         PR tree-optimization/46528
1241         PR debug/46338
1242         * profile.c (branch_prob): Make sure last is never set to a debug
1243         stmt.
1244
1245         PR debug/46771
1246         * reginfo.c (init_subregs_of_mode): Don't call find_subregs_of_mode
1247         on DEBUG_INSNs.
1248
1249         PR rtl-optimization/46777
1250         * cfglayout.c (duplicate_insn_chain): Avoid duplicating
1251         also barrier after tablejump.
1252
1253 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
1254             Richard Henderson  <rth@redhat.com>
1255
1256         PR target/46740
1257         * config/vax/vax.c (vax_output_int_move): Fold #if into if.
1258
1259 2010-12-06  Eric Botcazou  <ebotcazou@adacore.com>
1260
1261         * config/sparc/sol2.h (PUSHSECTION_FORMAT): Redefine unconditionally.
1262         * config/sparc/sol2-gas.h (PUSHSECTION_FORMAT): Redefine.
1263
1264 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
1265
1266         PR target/46735
1267         * config/frv/predicates.md (gpr_or_int12_operand): Use IN_RANGE.
1268         (gpr_fpr_or_int12_operand, gpr_or_int10_operand): Likewise.
1269         (int12_operand, int_2word_operand, uint16_operand): Likewise.
1270         (fpr_or_int6_operand, int6_operand, int5_operand): Likewise.
1271         (uint5_operand, uint4_operand): Likewise.
1272         * config/frv/frv.h (IN_RANGE_P): Delete.
1273         (GPR_P, FPR_P, CC_P, ICC_P, FCC_P, CR_P, ICR_P, FCR_P): Use IN_RANGE.
1274         (ACC_P, ACCG_P, SPR_P, CONST_OK_FOR_I, CONST_OK_FOR_J): Likewise.
1275         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1276         (CONST_OK_FOR_P): Likewise.
1277         * config/frv/frv.md (*movqicc_internal2_int): Likewise.
1278         (*movqicc_internal2_float, *movhicc_internal2_int): Likewise.
1279         (*movhicc_internal2_float, *movsicc_internal2_int): Likewise.
1280         (*movsicc_internal2_float, casesi): Likewise.
1281         * config/frv/frv.c (frv_frame_offset_rtx): Likewise.
1282         (frv_asm_output_mi_thunk, frv_legitimate_address_p_1): Likewise.
1283         (frv_emit_movsi, output_move_single, frv_emit_cond_move): Likewise.
1284         (frv_split_cond_move, frv_rtx_costs): Likewise.
1285
1286         PR target/46739
1287         * config/mmix/mmix.c (mmix_intval): Split shift count.
1288
1289 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
1290
1291         * config/i386/i386.c (m_COREI7): New.
1292         (initial_ix86_tune_features): Turn on
1293         X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and
1294         X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7.
1295
1296 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
1297
1298         * config.gcc: Allow corei7-avx for --with-arch/--with-cpu.
1299
1300         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1301         Sandy Bridge.
1302
1303         * config/i386/i386.c (override_options): Handle "corei7-avx".
1304
1305         * doc/invoke.texi: Document corei7-avx.
1306
1307 2010-12-06  Richard Guenther  <rguenther@suse.de>
1308
1309         PR tree-optimization/46806
1310         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do not
1311         coalesce different types.
1312
1313 2010-12-06  Richard Guenther  <rguenther@suse.de>
1314
1315         PR tree-optimization/46785
1316         * tree-vect-loop.c (vect_is_simple_reduction_1): Also allow
1317         call statements as operand definition.
1318
1319 2010-12-06  Mingjie Xing  <mingjie.xing@gmail.com>
1320
1321         * doc/tm.texi.in: Fix typo.
1322         * doc/tm.texi: Regenerate.
1323
1324 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1325
1326         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]: Fix typo in
1327         last change.
1328
1329 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
1330
1331         * c-family/c-common.h: Removed the declarations of all the objc_
1332         callbacks, and moved them into c-objc.h.  Removed
1333         objc_ivar_visibility_kind and moved it into c-objc.h.
1334         * c-family/c-objc.h: New file.
1335         * c-family/c-common.c: Include c-objc.h.
1336         * c-family/c-format.c: Same change.
1337         * c-family/stub-objc.c: Same change.
1338         * c-decl.c: Include c-family/c-objc.h.
1339         * c-parser.c: Same change.
1340         * c-typeck.c: Same change.
1341         * c-config-lang.in (gtfiles): Added c-family/c-objc.h.
1342         * Makefile.in (c-decl.o): Depend on c-family/c-objc.h.
1343         (c-parser.o): same change.
1344         (c-typeck.o): Same change.
1345         (c-family/c-format.o): Same change.
1346         (c-family/stub-objc.o): Same change.
1347         (c-family/c-common.o): Same change.
1348         (PLUGIN_HEADERS): Added c-family/c-objc.h.
1349
1350 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1351
1352         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]:  Ignore
1353         --with-dwarf2 option.
1354
1355 2010-12-03  Jan Hubicka  <jh@suse.cz>
1356
1357         * lto-streamer-in.c (input_cfg): Fix pasto.
1358
1359 2010-12-03  Jan Hubicka  <jh@suse.cz>
1360
1361         * ipa.c (cgraph_externally_visible_p): Do not localize builtins
1362         and functions with user asm defined names.
1363         (varpool_externally_visible_p): Do not localize vars with user
1364         asm defined names.
1365
1366 2010-12-03  Jan Hubicka  <jh@suse.cz>
1367
1368         * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_ASSEMBLER_NAME
1369         to prevent mangling with lto frontend.
1370
1371 2010-12-03  Jan Hubicka  <jh@suse.cz>
1372
1373         * Makefile.in (LTO_STREAMER_H): Add GCOV_IO_H.
1374         * lto-cgraph.c (merge_profile_summaries): Fix thinko.
1375
1376 2010-12-03  Jan Hubicka  <jh@suse.cz>
1377
1378         PR tree-optimization/46760
1379         * cgraph.c (cgraph_create_node): Initialize count_materialization_scale.
1380         * cgraph.h (struct cgraph_node): Add count_materialization_scale.
1381         * lto-cgraph.c (lto_output_edge): Fix assert.
1382         (lto_output_node): Output count_materialization_scale.
1383         (output_profile_summary): Output only runs and sum_max.
1384         (input_node): Input count_materialization_scale.
1385         (input_profile_summary): Read data into file specific gcov summary.
1386         (merge_profile_summaries): New function.
1387         (input_cgraph): Update call of input_profile_summary;
1388         call merge_profile_summaries.
1389         * lto-streamer-in.c (input_cfg): Add count_materialization_scale arg;
1390         rescale counts at read in.
1391         (intput_bb): Likewise.
1392         (input_function): Update call of input_bb.
1393         (lto_read_body): Update call of input_cfg.
1394         * lto-streamer.h: Inlclude gcov-io.h
1395         (lto_file_decl_data): Add gcov_ctr_summary.
1396
1397 2010-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1398
1399         * doc/tm.texi.in (Cond. Exec. Macros): Rename node from this ...
1400         (Cond Exec Macros): ... to this.
1401         * doc/tm.texi: Regenerate.
1402
1403 2010-12-03  Jason Merrill  <jason@redhat.com>
1404
1405         PR debug/46123
1406         * dwarf2out.c (gen_tagged_type_die): Don't put local types in
1407         a declaration DIE.
1408
1409 2010-12-03  Nathan Froyd  <froydnj@codesourcery.com>
1410
1411         * config/arm/arm.c (arm_legitimate_index_p): Split
1412         VALID_NEON_QREG_MODE and VALID_NEON_DREG_MODE cases.  Permit
1413         slightly larger constants in the latter case.
1414         (thumb2_legitimate_index_p): Likewise.
1415
1416 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
1417
1418         * common.opt (N, Q, Qn, Qy, Z, n, r, s, t): New options.
1419         * gcc.c (cc1_options): Add %{Qy:}.
1420
1421 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
1422
1423         * gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m.
1424         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
1425         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Likewise.
1426
1427 2010-12-03  Alexander Monakov  <amonakov@ispras.ru>
1428
1429         PR rtl-optimization/45354
1430         * sel-sched-ir.c (jump_leads_only_to_bb_p): Rename to ...
1431         (bb_has_removable_jump_to_p): This.  Update all callers. Make static.
1432         Allow BBs ending with a conditional jump.  Forbid EDGE_CROSSING jumps.
1433         * sel-sched-ir.h (jump_leads_only_to_bb_p): Delete prototype.
1434
1435 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1436
1437         * basic-block.h (struct edge_prediction): Remove forward
1438         declaration.
1439         * tree-flow.h (struct edge_prediction): Move from here...
1440         * predict.c (struct edge_prediction): ...to here.
1441         * cselib.h (struct elt_list): Move from here...
1442         * cselib.c (struct elt_list): ...to here.
1443
1444 2010-12-02  Ian Lance Taylor  <iant@google.com>
1445
1446         * gcc.c (default_compilers): Add entry for ".go".
1447         * common.opt: Add -static-libgo as a driver option.
1448         * doc/install.texi (Configuration): Mention libgo as an option for
1449         --enable-shared.  Mention go as an option for --enable-languages.
1450         * doc/invoke.texi (Overall Options): Mention .go as a file name
1451         suffix.  Mention go as a -x option.
1452         * doc/frontends.texi (G++ and GCC): Mention Go as a supported
1453         language.
1454         * doc/sourcebuild.texi (Top Level): Mention libgo.
1455         * doc/standards.texi (Standards): Add section on Go language.
1456         Move references for other languages into their own section.
1457         * doc/contrib.texi (Contributors): Mention that I contributed the
1458         Go frontend.
1459
1460 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1461
1462         * tree.h (struct call_expr_arg_iterator_d): Remove GTY tag.
1463         (const_call_expr_arg_iterator_d): Likewise.
1464         (expanded_location): Likewise.
1465         * c-tree.h (struct c_arg_tag_d): Likewise.
1466         * dwarf2out.c (struct cfa_loc): Likewise.
1467         (struct skeleton_chain_struct): Likewise.
1468         * except.c (struct ttypes_filter): Likewise.
1469         * cselib.h (struct cselib_val_struct): Likewise.
1470         (elt_loc_list): Likewise.
1471         (elt_list): Likewise.
1472         * varasm.c (struct addr_const): Likewise.
1473         * tree-flow.h (struct edge_prediction): Likewise.
1474         (struct int_tree_map): Likewise.
1475         (struct _edge_var_map): Likewise.
1476
1477 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
1478
1479         PR target/46768
1480         * config/i386/i386.c (initial_ix86_tune_features): Turn on
1481         X86_TUNE_INTER_UNIT_MOVES for Core 2 and Core i7.
1482
1483 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
1484
1485         * config.gcc: Allow corei7 for --with-arch=/--with-cpu=.
1486
1487 2010-12-02  Ian Lance Taylor  <iant@google.com>
1488
1489         * configure.ac: AC_DEFINE ENABLE_BUILD_WITH_CXX.  Check for C++
1490         header files unordered_map, tr1/unordered_map, and ext/hash_map.
1491         * configure, config.in: Rebuild.
1492
1493 2010-11-02  Eric Botcazou  <ebotcazou@adacore.com>
1494
1495         PR target/46685
1496         * config/sparc/sparc.c (can_use_mov_pic_label_ref): New predicate.
1497         (sparc_expand_move): Call it to decide whether to emit the special
1498         mov{si,di}_pic_label_ref patterns.
1499         (sparc_legitimize_pic_address): Call it to decide whether to emit
1500         the regular PIC sequence for labels.  Fix long line.
1501         (sparc_file_end): Set is_thunk for the PIC helper.
1502
1503 2010-12-02  Eric Botcazou  <ebotcazou@adacore.com>
1504
1505         * tree.c (build_range_type_1): Do not SET_TYPE_STRUCTURAL_EQUALITY
1506         for a non-shared type.
1507
1508 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
1509
1510         PR middle-end/45297
1511         * tree-scalar-evolution.c (interpret_rhs_expr): Handle ADDR_EXPR
1512         with MEM_REFs as POINTER_PLUS_EXPR.
1513
1514 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1515
1516         * config/i386/linux.h, config/m32r/linux.h, config/m68k/linux.h,
1517         config/sparc/linux.h, config/sparc/linux64.h: Remove comments
1518         mentioning /lib/elf.
1519
1520 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1521
1522         * config/bfin/bfin.h (LINK_SPEC): Remove %{b}.
1523         * config/frv/frv.h (LINK_SPEC): Remove %{b}.
1524         * config/i386/netware.h (LINK_SPEC): Remove %{b}.
1525         * config/i386/nto.h (LINK_SPEC): Remove %{b}.
1526         * config/lm32/uclinux-elf.h (LINK_SPEC): Remove %{b}.
1527         * config/sol2.h (LINK_SPEC): Remove %{b}.
1528         * config/svr4.h (LINK_SPEC): Remove %{b}.
1529
1530 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1531
1532         * config/i386/freebsd.h (LINK_SPEC): Cut long comment.
1533         * config/i386/linux.h (LINK_SPEC): Cut long comment.
1534         * config/i386/netware.h (LINK_SPEC): Remove %{V}.
1535         * config/m32r/linux.h (LINK_SPEC): Cut long comment.
1536         * config/m68k/linux.h (LINK_SPEC): Cut long comment.
1537         * config/sparc/linux.h (LINK_SPEC): Cut long comment.
1538         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
1539         * config/sparc/linux64.h (LINK_SPEC): Cut long comment.
1540         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
1541         * config/sparc/netbsd-elf.h (ASM_SPEC): Remove %{V} and
1542         %{v:%{!V:-V}}.
1543
1544 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1545
1546         * gcc.c (trad_capable_cpp, default_compilers): Don't handle
1547         -ftraditional.
1548
1549 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1550
1551         * config/alpha/freebsd.h (LINK_SPEC): Don't handle -Wl,.
1552         * config/bfin/bfin.h (ASM_SPEC): Don't handle -Wa,.
1553         * config/frv/frv.h (ASM_SPEC): Don't handle -Wa,.
1554         * config/lm32/uclinux-elf.h (LINK_SPEC): Don't handle -Wl,.
1555         * config/microblaze/microblaze.h (LINK_SPEC): Don't handle -Wl,.
1556         * config/mn10300/linux.h (ASM_SPEC): Don't handle -Wa,.
1557         * config/pa/pa-linux.h (ASM_SPEC): Don't handle -Wa,.
1558         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Don't handle -Wa,.
1559         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Don't handle -Wa,.
1560         * config/rs6000/sysv4.h (LINK_SPEC): Don't handle -Wl,.
1561         * config/rs6000/vxworks.h (ASM_SPEC): Don't handle -Wa,.
1562         * config/sol2.h (ASM_SPEC): Don't handle -Wa,.
1563         * config/sparc/linux.h (ASM_SPEC): Don't handle -Wa,.
1564         * config/sparc/linux64.h (ASM_SPEC): Don't handle -Wa,.
1565         * config/sparc/sp-elf.h (ASM_SPEC): Don't handle -Wa,.
1566         * config/sparc/sysv4.h (ASM_SPEC): Don't handle -Wa,.
1567         * config/svr4.h (SVR4_ASM_SPEC): Don't handle -Wa,.
1568         * config/vxworks.h (VXWORKS_LINK_SPEC): Don't handle -Wl,.
1569
1570 2010-12-02  Paul Koning  <ni1d@arrl.net>
1571
1572         * config/pdp11/pdp11.c (output_jump): Map unsigned to signed
1573         opcodes if CC_NO_OVERFLOW is set.
1574         (notice_update_cc_on_set): Correct setting of CC0 as a side
1575         effect; set CC_NO_OVERFLOW for cases where C flag is not
1576         meaningful.
1577
1578 2010-12-02  Ian Lance Taylor  <iant@google.com>
1579
1580         * doc/install.texi (Configuration): Update default for
1581         --with-boot-ldflags.
1582
1583 2010-12-02  Nathan Froyd  <froydnj@codesourcery.com>
1584
1585         PR c/45062
1586         * c-decl.c (grokparms): Set arg_info->parms to NULL_TREE when
1587         !funcdef_flag.
1588
1589 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
1590
1591         PR tree-optimization/45199
1592         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): New.
1593         (stores_zero_from_loop): Call
1594         mem_write_stride_of_same_size_as_unit_type_p.
1595         * tree-data-ref.h (stride_of_unit_type_p): New.
1596         * tree-loop-distribution.c (generate_memset_zero): Simplified.
1597         Call stride_of_unit_type_p.
1598         (build_rdg_partition_for_component): Do not call
1599         rdg_flag_similar_memory_accesses when
1600         flag_tree_loop_distribute_patterns is set.
1601
1602 2010-12-02  Richard Guenther  <rguenther@suse.de>
1603
1604         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Disregard
1605         sign-changing conversions for induction detection.
1606
1607 2010-12-02  Richard Guenther  <rguenther@suse.de>
1608
1609         PR tree-optimization/46723
1610         * tree-vect-loop.c (get_initial_def_for_induction): Strip
1611         conversions from the induction evolution and apply it to
1612         the result instead.
1613         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Handle
1614         assigns for induction defs.
1615
1616 2010-12-02  Richard Guenther  <rguenther@suse.de>
1617
1618         * value-prof.c (gimple_ic): Use stmt_ends_bb_p to detect
1619         the case we need to split the edge and not the block.
1620
1621 2010-12-02  Bernd Schmidt  <bernds@codesourcery.com>
1622
1623         DFA model for Core 2 and Core i7 scheduling.
1624
1625         * config/i386/core2.md: New DFA model for Core 2 and Core i7.
1626         * config/i386/i386.c (ix86_option_override_internal): Update entries
1627         for Core 2 and Core i7.
1628         (ix86_issue_rate): Set issue rate to 3 [be realistic].
1629         * config/i386/i386.md: Include "core2.md".
1630         (define_attr cpu): Add "corei7".
1631
1632 2010-12-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
1633
1634         Define tuning for Core 2 and Core i7.
1635
1636         * config/i386/i386-c.c (ix86_target_macros_internal): Update.
1637         * config/i386/i386.c (core2_cost): Delete, use generic costs instead.
1638         (m_CORE2): Replace with m_CORE2_{32,64}.
1639         (m_CORE2I7{,_32,_64}): New macros.
1640         (m_GENERIC32, m_GENERIC64): Update.
1641         (initial_ix86_tune_features, x86_accumulate_outgoing_args,)
1642         (x86_arch_always_fancy_math_387): Set m_CORE2I7_32 iff m_GENERIC32 and
1643         set m_CORE2I7_64 iff m_GENERIC64.
1644         (processor_target_table): Use generic costs for Core 2 and Core i7.
1645         (ix86_option_override_internal): Update entries for Core 2 and Core i7.
1646         (ix86_issue_rate): Remove entry for Core 2.
1647         (ia32_multipass_dfa_lookahead, ix86_sched_init_global): Update.
1648         * config/i386/i386.h (TARGET_CORE2_32, TARGET_CORE2_64): New macros.
1649         (TARGET_CORE2): Update.
1650         (PROCESSOR_CORE2_32, PROCESSOR_CORE2_64): New constants.
1651         (PROCESSOR_CORE2): Remove.
1652
1653 2010-12-02  Richard Guenther  <rguenther@suse.de>
1654
1655         * lto-streamer.h (LTO_major_version): Bump to 2.
1656
1657 2010-12-02  Richard Guenther  <rguenther@suse.de>
1658
1659         PR lto/44871
1660         * gimple.c (canonical_type_hash_cache): New hashtable.
1661         (gimple_type_hash): Make a wrapper around ...
1662         (gimple_type_hash_1): ... this.  Take gtc_mode argument.
1663         (gimple_canonical_type_hash): Likewise.
1664         (gtc_visit): Take a gtc_mode argument.
1665         (gimple_types_compatible_p_1): Likewise. Do not compare struct
1666         tag names or field names when computing canonical types.
1667         (gimple_types_compatible_p): Adjust.
1668         (visit): Take a gtc_mode argument.
1669         (iterative_hash_gimple_type): Likewise.  Do not hash struct tag
1670         names or field names when computing hashes of canonical types.
1671         (gimple_register_canonical_type): Use gimple_canonical_type_hash
1672         for the hash.
1673         (print_gimple_types_stats): Dump stats of canonical_type_hash_cache.
1674         (free_gimple_type_tables): Free canonical_type_hash_cache.
1675
1676 2010-12-02  Richard Guenther  <rguenther@suse.de>
1677             Ira Rosen  <irar@il.ibm.com>
1678
1679         PR tree-optimization/46663
1680         * tree-vect-patterns.c (vect_recog_pow_pattern): Check that
1681         FUNCTION_DECL exists and that it's a builtin.
1682
1683 2010-12-02  Jie Zhang  <jie@codesourcery.com>
1684
1685         PR middle-end/46674
1686         * varasm.c (compute_visible_aliases): Handle user set
1687         assembler name.
1688
1689 2010-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1690
1691         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
1692         thinko regarding setting -mno-<xxx> debug switches.
1693         (rs6000_rtx_costs): Add FMA.  Delete old rtl based FMA costs.
1694
1695 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1696
1697         * intl.c: Don't include tm.h.
1698         * Makefile.in (intl.o): Don't depend on $(TM_H).
1699
1700 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1701
1702         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
1703         unused warning.
1704         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1705
1706 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1707
1708         * graphite-sese-to-poly.c (analyze_drs): Removed.
1709         (build_scop_drs): Do not call analyze_drs.
1710         (analyze_drs_in_stmts): New.
1711         (insert_stmts): New.
1712         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
1713         (insert_out_of_ssa_copy_on_edge): Same.
1714         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
1715         (rewrite_phi_out_of_ssa): Same.
1716         (rewrite_cross_bb_scalar_dependence): Same.
1717         (split_reduction_stmt): Move data references in the new basic blocks.
1718         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
1719
1720 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1721
1722         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
1723
1724 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1725
1726         PR middle-end/45297
1727         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
1728         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
1729         * graphite-poly.h (new_poly_bb): Update declaration.
1730         (gbb_from_bb): Moved here...
1731         (pbb_from_bb): New.
1732         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
1733         Removed.
1734         (graphite_stmt_p): Removed.
1735         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
1736         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
1737         new_poly_bb.
1738         (build_scop_bbs_1): Do not pass in sbitmap reductions.
1739         (build_scop_bbs): Same.
1740         (gbb_from_bb): ... from here.
1741         (add_conditions_to_constraints): Moved up.
1742         (analyze_drs): New.
1743         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
1744         not contain data references.
1745         (new_pbb_from_pbb): New.
1746         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
1747         block is split.
1748         (rewrite_close_phi_out_of_ssa): Update call to
1749         insert_out_of_ssa_copy_on_edge.
1750         (rewrite_reductions_out_of_ssa): Now static.
1751         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1752         (split_pbb): New.
1753         (split_reduction_stmt): Call split_pbb.
1754         (translate_scalar_reduction_to_array): Pass in the scop, do not
1755         pass in the sbitmap reductions.
1756         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
1757         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
1758         (rewrite_commutative_reductions_out_of_ssa): Same.
1759         (build_poly_scop): Call build_scop_bbs,
1760         rewrite_commutative_reductions_out_of_ssa,
1761         rewrite_reductions_out_of_ssa, and
1762         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
1763         before scop_to_lst.
1764         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
1765         Removed declaration.
1766         (rewrite_reductions_out_of_ssa): Same.
1767         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1768         (build_scop_bbs): Same.
1769         * graphite.c (graphite_transform_loops): Do not initialize reductions.
1770         Do not call build_scop_bbs,
1771         rewrite_commutative_reductions_out_of_ssa,
1772         rewrite_reductions_out_of_ssa, and
1773         rewrite_cross_bb_scalar_deps_out_of_ssa.
1774         * sese.h (struct gimple_bb): Add field pbb.
1775         (GBB_PBB): New.
1776
1777 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1778
1779         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
1780         New.
1781         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
1782         handle_scalar_deps_crossing_scop_limits.
1783         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
1784         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
1785
1786 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1787
1788         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
1789         when replacing a constant in an ADDR_EXPR.
1790
1791 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1792
1793         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
1794         for the stride.
1795         (lst_do_strip_mine): Same.
1796         (scop_do_strip_mine): Same.
1797         * graphite-poly.c (apply_poly_transforms): Update call to
1798         scop_do_strip_mine.
1799         * graphite-poly.h (scop_do_strip_mine): Update declaration.
1800
1801 2010-12-01  Jan Hubicka  <jh@suse.cz>
1802
1803         * tree.c (build_common_builtin_nodes): Do not initialize
1804         BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT.
1805         * builtins.c (expand_builtin_profile_func): Remove.
1806         (expand_builtin): Do not handle BUILT_IN_PROFILE_FUNC_ENTER and
1807         BUILT_IN_PROFILE_FUNC_EXIT.
1808         * builtins.def (profile_func_enter, profile_func_exit): Remove stubs.
1809         (__cyg_profile_func_enter, __cyg_profile_func_exit): New.
1810         * gimplify.c (gimplify_function_tree): Reorganize code calling
1811         profiling functions.
1812
1813 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1814
1815         * opts.c: Expand comment on tm.h include.
1816
1817 2010-12-01  Yao Qi  <yao@codesourcery.com>
1818
1819         * config/arm/predicates.md ("vfp_register_operand"): Return true for
1820         VFP_D0_D7_REGS classes.
1821
1822 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1823
1824         * common.opt (flag_stack_check): New Variable entry.
1825         (fcompare-debug-second): Use Var.
1826         * flags.h (flag_compare_debug, flag_stack_check): Remove.
1827         * opts.c (flag_compare_debug): Remove.
1828         (common_handle_option): Don't handle OPT_fcompare_debug_second.
1829         Set opts->x_flag_stack_check for OPT_fstack_check_.
1830         * toplev.c (flag_stack_check): Remove.
1831
1832 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1833
1834         * common.opt (main_input_filename, main_input_basename,
1835         main_input_baselength): New Variable entries.  From toplev.c.
1836         * final.c (output_quoted_string): Move from toplev.c.
1837         * output.h (output_quoted_string): Move from toplev.h.
1838         * opts-global.c (read_cmdline_options): Use gcc_options pointer to
1839         access main_input_filename, main_input_baselength and
1840         main_input_basename.
1841         * targhooks.c: Include intl.h and opts.h.
1842         (option_affects_pch_p, default_get_pch_validity): Move from
1843         toplev.c.
1844         * targhooks.h (option_affects_pch_p, default_get_pch_validity):
1845         Move from toplev.h.
1846         * toplev.c (main_input_filename, main_input_basename,
1847         main_input_baselength): Move to common.opt.
1848         (output_quoted_string): Move to final.c.
1849         (warn_deprecated_use): Move to tree.c.
1850         (option_affects_pch_p, default_get_pch_validity,
1851         pch_option_mismatch, default_pch_valid_p): Move to targhooks.c.
1852         * toplev.h (skip_leading_substring): Move to tree-dump.c.
1853         (warn_deprecated_use): Move to tree.h.
1854         (output_quoted_string): Move to output.h.
1855         (main_input_filename, main_input_basename, main_input_baselength):
1856         Move to common.opt.
1857         (default_get_pch_validity, default_pch_valid_p): Move to
1858         targhooks.c.
1859         * tree-dump.c (skip_leading_substring): Move from toplev.h.
1860         * tree.c (warn_deprecated_use): Move from toplev.c.
1861         * tree.h (warn_deprecated_use): Move from toplev.h.
1862         * c-typeck.c, config/alpha/alpha.c, config/arc/arc.c,
1863         config/arm/arm.c, config/avr/avr.c, config/bfin/bfin.c,
1864         config/cris/cris.c, config/crx/crx.c, config/fr30/fr30.c,
1865         config/frv/frv.c, config/h8300/h8300.c, config/ia64/ia64.c,
1866         config/iq2000/iq2000.c, config/lm32/lm32.c, config/m32c/m32c.c,
1867         config/m32r/m32r.c, config/m68hc11/m68hc11.c, config/m68k/m68k.c,
1868         config/mcore/mcore.c, config/mep/mep.c,
1869         config/microblaze/microblaze.c, config/mips/mips.c,
1870         config/mmix/mmix.c, config/mn10300/mn10300.c,
1871         config/moxie/moxie.c, config/pa/pa.c, config/pdp11/pdp11.c,
1872         config/picochip/picochip.c, config/s390/s390.c,
1873         config/score/score.c, config/sh/sh.c, config/sparc/sparc.c,
1874         config/spu/spu.c, config/stormy16/stormy16.c, config/v850/v850.c,
1875         config/vax/vax.c, config/xtensa/xtensa.c, gimple-low.c,
1876         graphite-sese-to-poly.c, plugin.c, tree-cfg.c, tree-inline.c,
1877         varasm.c, xcoffout.c: Don't include toplev.h.
1878         * Makefile.in (c-typeck.o, tree-inline.o, tree-cfg.o,
1879         gimple-low.o, graphite-sese-to-poly.o, targhooks.o, plugin.o,
1880         varasm.o, xcoffout.o): Update dependencies.
1881         * config/arm/t-arm (arm.o): Update dependencies.
1882         * config/spu/t-spu-elf (spu.o): Update dependencies.
1883
1884 2010-12-01  Richard Guenther  <rguenther@suse.de>
1885
1886         PR tree-optimization/46730
1887         * value-prof.c (gimple_ic): Always generate a separate merge BB.
1888
1889 2010-11-30  Ian Lance Taylor  <iant@google.com>
1890
1891         * config/i386/linux.h (ASM_SPEC): Pass -v as -v, not -V.  Remove
1892         all of %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}.
1893         * config/i386/linux64.h (ASM_SPEC): Likewise.
1894         * config/i386/mingw-w64.h (ASM_SPEC): Likewise.
1895         * config/i386/sol2-10.h (ASM_SPEC) [USE_GAS]: Likewise.
1896         * config/i386/vxworks.h (ASM_SPEC): Likewise.
1897         * config/i386/x86-64.h (ASM_SPEC): Likewise.
1898         * config/i386/sol2.h (ASM_SPEC): Remove %{Wa,*:%*}.
1899         * config/i386/sol2-10.h (ASM_SPEC) [!USE_GAS]: Likewise.
1900
1901 2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>
1902
1903         * c-decl.c (finish_function): Call objc_finish_function in
1904         Objective-C.
1905         * c-typeck.c (convert_for_assignment): Do not call
1906         objc_type_quals_match().
1907
1908 2010-11-30  Richard Guenther  <rguenther@suse.de>
1909
1910         PR tree-optimization/46722
1911         * tree-ssa-math-opts.c (convert_mult_to_fma): Get multiplication
1912         operands as arguments.
1913         (execute_optimize_widening_mul): Also handle power of two as
1914         multiplication.
1915
1916 2010-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1917
1918         PR middle-end/46709
1919         * cgraphunit.c (process_function_and_variable_attributes): Fix
1920         cut'n'pasteo.
1921
1922 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
1923
1924         * hwint.c:  New.  Extracted from toplev.c.
1925         * hwint.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1926         Move from toplev.h.
1927         * toplev.c (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1928         Move to hwint.c.
1929         * toplev.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1930         Move to hwint.h.
1931         * builtins.c, combine.c, config/i386/winnt.c, double-int.c,
1932         explow.c, expmed.c, fold-const.c, ggc-page.c, ggc-zone.c, ifcvt.c,
1933         ipa-struct-reorg.c, ira-color.c, matrix-reorg.c, omp-low.c,
1934         real.c, recog.c, reload.c, rtlanal.c, simplify-rtx.c,
1935         stor-layout.c, tree-dfa.c, tree-ssa-alias.c,
1936         tree-ssa-loop-niter.c, tree-vect-data-refs.c,
1937         tree-vect-loop-manip.c, tree-vect-loop.c, tree-vect-stmts.c,
1938         tree-vrp.c: Don't include toplev.h.
1939         * genattrtab.c, genconditions.c, genemit.c, genextract.c,
1940         genoutput.c, genpeep.c, genpreds.c, genrecog.c: Don't include
1941         toplev.h in generated output.
1942         * Makefile.in (OBJS-common): Add hwint.o.
1943         Dependencies for above files changed to remove toplev.h.
1944         (hwint.o): New.
1945         (insn-attrtab.o, insn-emit.o, insn-extract.o, insn-output.o,
1946         insn-peep.o, insn-preds.o, insn-recog.o): Don't depend on
1947         toplev.h.
1948         * config/i386/t-cygming (winnt.o): Don't depend on toplev.h.
1949         * config/i386/t-interix (winnt.o): Don't depend on toplev.h.
1950
1951 2010-11-30  Richard Guenther  <rguenther@suse.de>
1952
1953         PR tree-optimization/46717
1954         * value-prof.c (gimple_ic): Preserve EH edges of the indirect
1955         call.  Manually create EH edges for the direct call and update
1956         target PHI nodes.
1957
1958 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
1959
1960         * diagnostic-core.h: Include bversion.h.
1961         * toplev.h: Don't include input.h or bversion.h.
1962         (parse_optimize_options): Don't declare here.
1963         * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c,
1964         caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c,
1965         combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c,
1966         config/host-darwin.c, config/i386/host-cygwin.c,
1967         config/i386/host-mingw32.c, config/i386/msformat-c.c,
1968         config/i386/netware.c, config/i386/nwld.c,
1969         config/i386/winnt-cxx.c, config/i386/winnt-stubs.c,
1970         config/ia64/ia64-c.c, config/m32c/m32c-pragma.c,
1971         config/mep/mep-pragma.c, config/microblaze/microblaze-c.c,
1972         config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c,
1973         config/score/score3.c, config/score/score7.c,
1974         config/sh/symbian-base.c, config/sh/symbian-c.c,
1975         config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c,
1976         config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c,
1977         cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c,
1978         fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c,
1979         graphite-blocking.c, graphite-clast-to-gimple.c,
1980         graphite-dependences.c, graphite-flattening.c,
1981         graphite-interchange.c, graphite-poly.c,
1982         graphite-scop-detection.c, graphite.c, haifa-sched.c,
1983         implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c,
1984         ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c,
1985         lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c,
1986         lto-opts.c, lto-section-in.c, lto-section-out.c,
1987         lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c,
1988         params.c, postreload-gcse.c, postreload.c, predict.c, profile.c,
1989         regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c,
1990         sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c,
1991         sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c,
1992         tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c,
1993         tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c,
1994         tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c,
1995         tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c,
1996         tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
1997         tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't
1998         include toplev.h.
1999         * Makefile.in (TOPLEV_H): Remove.  All uses changed to use
2000         toplev.h.  Dependencies for above files and c-family files changed
2001         to remove $(TOPLEV_H) or toplev.h.
2002         (C_TREE_H): Don't include $(TOPLEV_H).
2003         (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h.  Add
2004         bversion.h.
2005         * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming,
2006         config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf,
2007         config/t-darwin, config/t-sol2,
2008         config/t-vxworks, config/v850/t-v850, config/v850/t-v850e:
2009         Dependencies for above files changed to remove $(TOPLEV_H) or
2010         toplev.h.
2011
2012 2010-11-30  Richard Guenther  <rguenther@suse.de>
2013
2014         PR lto/44986
2015         * gcc.c (main): Use the first input with a compiler as infile
2016         for link spec processing.
2017
2018 2010-11-30  Richard Guenther  <rguenther@suse.de>
2019
2020         PR lto/45949
2021         * cgraphunit.c (ipa_passes): Stop after errors from
2022         small IPA passes.
2023
2024 2010-11-30  Mingjie Xing  <mingjie.xing@gmail.com>
2025
2026         * gcc-plugin.h: Include coretypes.h.
2027         * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
2028
2029 2010-11-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2030
2031         * ggc-zone.c (ggc_pch_read): Fix conditional compilation.
2032         * ggc-none.c (ggc_internal_alloc_zone_stat)
2033         (ggc_internal_cleared_alloc_zone_stat): New.
2034
2035 2010-11-29  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
2036
2037         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Check
2038         TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.
2039         (rs6000_emit_prologue): Don't set PIC register if
2040         TARGET_SINGLE_PIC_BASE.
2041         * config/rs6000/rs6000.opt (msingle-pic-base): New option.
2042         * doc/invoke.texi (msingle-pic-base): Document.
2043
2044 2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>
2045
2046         PR driver/46712
2047         * exec-tool.in (id): New.
2048         Check and export LT_RCU_$id instead of LT_RCU.
2049
2050 2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>
2051
2052         PR tree-optimization/46675
2053         * tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
2054         in offset calculation.
2055
2056 2010-11-29  Jan Hubicka  <jh@suse.cz>
2057
2058         * collect2.c (main): Do not imply verbose output with
2059         LTO and linker plugin.
2060
2061 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
2062
2063         * dwarf2out.c (print_die): Print the address of the current DIE or
2064         of any DIE referenced by the current one.
2065
2066 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
2067
2068         PR debug/46101
2069         * dwarf2out.c (lookup_type_die_strip_naming_typedef): New
2070         function.
2071         (scope_die_for, gen_type_die_for_member): Replace uses of
2072         lookup_type_die with use of lookup_type_die_strip_naming_typedef.
2073
2074 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
2075
2076         * config/darwin.c (darwin_mergeable_string_section): Remove blank line.
2077         (darwin_asm_declare_object_name): Correct spelling.
2078         (darwin_output_aligned_bss): Likewise.
2079
2080 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
2081             Mike Stump  <mrs@gcc.gnu.org>
2082
2083         PR target/26427
2084         PR target/33120
2085         PR testsuite/35710
2086         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Remove
2087         (ASM_OUTPUT_LOCAL): Likewise.
2088         * config/darwin-protos.h (darwin_asm_declare_object_name): New.
2089         (darwin_output_aligned_bss): Likewise.
2090         (darwin_asm_output_aligned_decl_local): Likewise.
2091         (darwin_asm_output_aligned_decl_common): Likewise.
2092         (darwin_use_anchors_for_symbol_p): Likewise.
2093         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Remove.
2094         (TARGET_ASM_OUTPUT_ANCHOR): Define.
2095         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
2096         (DARWIN_SECTION_ANCHORS): Set to 1.
2097         * config/darwin.c (emit_aligned_common): New var.
2098         (darwin_init_sections): Check that the Darwin private zero-size section
2099         marker is in range.
2100         (darwin_text_section): Check for zero-sized objects.
2101         (darwin_mergeable_string_section): Likewise.
2102         (darwin_mergeable_constant_section): Likewise.
2103         (machopic_select_section): Adjust to check for zero-sized objects.
2104         Assert that OBJC meta data are non-zero sized.
2105         (darwin_asm_declare_object_name): New.
2106         (darwin_asm_declare_constant_name): Adjust for zero-sized
2107         object sections.
2108         (BYTES_ZFILL): Define.
2109         (darwin_emit_weak_or_comdat): New.
2110         (darwin_emit_local_bss): New.
2111         (darwin_emit_common): New.
2112         (darwin_output_aligned_bss): New.
2113         (darwin_asm_output_aligned_decl_common): New.
2114         (darwin_asm_output_aligned_decl_local): New.
2115         (darwin_file_end): Disable subsections_via_symbols when section
2116         anchoring is active.
2117         (darwin_asm_output_anchor): Re-enable.
2118         (darwin_use_anchors_for_symbol_p): New.
2119         (darwin_override_options): Check for versions that can emit
2120         aligned common.  Update usage of flags to current.
2121         * config/darwin-sections.def: Update comments and flags for
2122         non-anchor sections.  zobj_const_section, zobj_data_section,
2123         zobj_bss_section, zobj_const_data_section: New.
2124         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Redefine.
2125         (ASM_OUTPUT_ALIGN): Make whitespace output consistent.
2126         (L2_MAX_OFILE_ALIGNMENT): Define.
2127         (ASM_OUTPUT_ALIGNED_BSS): Define.
2128         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
2129         (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
2130         (SECTION_NO_ANCHOR): Define.
2131         (TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
2132         (DARWIN_SECTION_ANCHORS): Define with a default of 0.
2133
2134 2010-11-29  Joseph Myers  <joseph@codesourcery.com>
2135
2136         * system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
2137         Include <signal.h>, <sys/mman.h>, <sys/resource.h> and <sys/times.h>.
2138         (O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
2139         Conditionally define.
2140         (GET_ENVIRONMENT): Poison.
2141         * configure.ac: Don't test for mincore.
2142         * configure: Regenerate.
2143         * config.in: Regenerate.
2144         * collect2-aix.c: Don't include <sys/mman.h>.
2145         * collect2.c: Don't include <signal.h>.
2146         (SIGCHLD): Don't define.
2147         (prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
2148         * config/alpha/alpha.c: Include "splay-tree.h" instead of
2149         <splay-tree.h>.
2150         * config/arm/arm.c (arm_target_help): Use getenv instead of
2151         GET_ENVIRONMENT.
2152         * config/avr/driver-avr.c: Don't include <stdlib.h>.
2153         * config/frv/frv.c: Don't include <ctype.h>.
2154         * config/host-darwin.c: Don't include <sys/mman.h>.
2155         * config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
2156         (MAP_FAILED): Don't define.
2157         * config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
2158         * config/host-solaris.c: Don't include <sys/mman.h>.
2159         * config/i386/cygming.h: Don't include <stdio.h>.
2160         * config/i386/driver-i386.c: Don't include <stdlib.h>.
2161         * config/i386/host-cygwin.c: Don't include <sys/mman.h>.
2162         * config/iq2000/iq2000.c: Don't include <signal.h>.
2163         * config/m32c/m32c-pragma.c: Don't include <stdio.h>.
2164         * config/m68hc11/m68hc11.c: Don't include <stdio.h>.
2165         * config/mep/mep-pragma.c: Don't include <stdio.h>.
2166         * config/microblaze/microblaze.c: Don't include <signal.h>.
2167         * config/mips/mips.c: Don't include <signal.h>.
2168         * config/rs6000/host-darwin.c: Don't include <signal.h>.
2169         * cppdefault.c (cpp_relocated): Use getenv instead of GET_ENVIRONMENT.
2170         * defaults.h (GET_ENVIRONMENT): Don't define.
2171         * et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
2172         * gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
2173         (SIGCHLD, MAP_FAILED, kill): Don't define.
2174         (process_command): Use getenv instead of GET_ENVIRONMENT.
2175         * genhooks.c: Don't include <string.h>.
2176         * ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
2177         <sys/types.h>.
2178         (MAP_FAILED): Don't define.
2179         * ggc-page.c Don't include <sys/mman.h>.
2180         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
2181         * ggc-zone.c: Don't include <sys/mman.h>.
2182         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
2183         * graph.c: Include "config.h" instead of <config.h>.
2184         * incpath.c (add_env_var_paths): Use getenv instead of GET_ENVIRONMENT.
2185         * lto-wrapper.c: Don't include <errno.h>, <signal.h> or "libiberty.h".
2186         (SIGCHLD, kill): Don't define.
2187         * mips-tfile.c: Don't include <signal.h>.
2188         * opts.c: Don't include <signal.h> or <sys/resource.h>.
2189         (print_specific_help): Use getenv instead of GET_ENVIRONMENT.
2190         * passes.c: Don't include <signal.h>, <sys/resource.h> or
2191         <sys/times.h>.
2192         * sparseset.h: Don't include <assert.h>.
2193         * timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
2194         * tlink.c: Don't include "libiberty.h".
2195         * toplev.c: Don't include <signal.h> or <sys/times.h>.
2196         * tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
2197         * tree-switch-conversion.c: Don't include <signal.h>.
2198         * vmsdbgout.c: Don't include <errno.h> or <string.h>.
2199
2200 2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>
2201
2202         * c-parser.c (c_parser_objc_try_catch_statement): Renamed to
2203         c_parser_objc_try_catch_finally_statement for consistency with the
2204         C++ parser.  Parse @catch(...) and pass NULL_TREE to
2205         objc_begin_catch_clause() in that case.  Improved error recovery.
2206         Reorganized code to be almost identical to
2207         cp_parser_objc_try_catch_finally_statement.
2208
2209 2010-11-29  Joern Rennecke  <amylaar@spamcop.net>
2210
2211         PR tree-optimization/46621
2212         * gimple.h: Don't include tm.h or hard-reg-set.h .
2213         * Makefile.in (GIMPLE_H): Remove $(TM_H).
2214
2215         PR bootstrap/44756
2216         * cppbuiltin.c: Include target.h .
2217         (define_builtin_macros_for_type_sizes):
2218         Use targetm.float_words_big_endian.
2219
2220 2010-11-27  Jan Hubicka  <jh@suse.cz>
2221
2222         * dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
2223         and output cold_text_section_label.
2224         (dwarf2out_init): Don't do that there.
2225         (dwarf2out_finish): Handle cold section end label only if cold
2226         section was used.
2227
2228 2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>
2229
2230         * tree-nested.c (remap_vla_decls): Fully expand value expressions of
2231         VLA variables.
2232
2233 2010-11-27  Richard Guenther  <rguenther@suse.de>
2234
2235         * gimple.c (gimple_assign_copy_p): Use gimple_assign_single_p.
2236         (gimple_assign_ssa_name_copy_p): Likewise.
2237         (gimple_assign_unary_nop_p): Use is_gimple_assign.
2238         (is_gimple_cast): Remove.
2239         (gimple_assign_single_p): Move ...
2240         * gimple.h (gimple_assign_single_p): ... here.
2241         (is_gimple_cast): Remove.
2242         (gimple_assign_rhs_code): Simplify.
2243         * gimple-fold.c (gimple_fold_builtin): Use CONVERT_EXPR_P
2244         instead of is_gimple_cast.
2245         * ipa-type-escape.c (look_for_casts): Likewise.
2246
2247 2010-11-26  Joseph Myers  <joseph@codesourcery.com>
2248
2249         * doc/options.texi (Enum, EnumValue): Document new record types.
2250         (Enum): Document new option flag.
2251         * opt-functions.awk
2252         * optc-gen.awk: Handle enumerated option arguments.
2253         * opth-gen.awk: Handle enumerated option arguments.
2254         * opts-common.c (enum_arg_ok_for_language, enum_arg_to_value,
2255         enum_value_to_arg): New.
2256         (decode_cmdline_option): Handle enumerated arguments.
2257         (read_cmdline_option): Handle CL_ERR_ENUM_ARG.
2258         (set_option, option_enabled, get_option_state): Handle CLVC_ENUM.
2259         * opts.c (print_filtered_help, print_specific_help): Take
2260         lang_mask arguments.
2261         (print_filtered_help): Handle printing values of enumerated
2262         options.  Print possible arguments for enumerated options.
2263         (print_specific_help): Update call to print_filtered_help.
2264         (common_handle_option): Update calls to print_specific_help.  Use
2265         value rather than arg for OPT_fdiagnostics_show_location_.  Don't
2266         handle OPT_ffp_contract_, OPT_fexcess_precision_,
2267         OPT_fvisibility_, OPT_ftls_model_, OPT_fira_algorithm_ or
2268         OPT_fira_region_ here.
2269         * opts.h (enum cl_var_type): Add CLVC_ENUM.
2270         (struct cl_option): Add var_enum.
2271         (CL_ENUM_CANONICAL, CL_ENUM_DRIVER_ONLY, struct cl_enum_arg,
2272         struct cl_enum, cl_enums, cl_enums_count): New.
2273         (CL_ERR_ENUM_ARG): Define.
2274         (CL_ERR_NEGATIVE): Update value.
2275         (enum_value_to_arg): Declare.
2276         * common.opt (flag_ira_algorithm, flag_ira_region,
2277         flag_fp_contract_mode, flag_excess_precision_cmdline,
2278         default_visibility, flag_tls_default): Remove Variable entries.
2279         (help_enum_printed): New Variable.
2280         (fdiagnostics-show-location=): Use Enum.  Add associated
2281         SourceInclude, Enum and EnumValue entries.
2282         (fexcess-precision=, ffp-contract=, fira-algorithm=, fira-region=,
2283         ftls-model=, fvisibility=): Use Enum, Var and Init.  Add
2284         associated Enum and EnumValue entries.
2285
2286 2010-11-26  Joern Rennecke  <amylaar@spamcop.net>
2287
2288         PR target/46623
2289         * config/microblaze/microblaze.c (microblaze_block_move_straight):
2290         Use XALLOCAVEC.
2291         (microblaze_option_override): Don't use C++ style comments.
2292         (save_restore_insns): Remove unused variable base_offset.
2293         (microblaze_expand_prologue): Remove unused variable insn.
2294         (microblaze_secondary_reload): Adjust type to match target.h .
2295         (microblaze_elf_in_small_data_p): Move declarations to start of block.
2296         (microblaze_expand_move): Likewise.
2297         * config/microblaze/microblaze.h (LARGE_INT):
2298         Avoid signed / unsigned comparisons.
2299         (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
2300         (ASM_FORMAT_PRIVATE_NAME): Make format specifier match printed data.
2301         (ASM_FINISH_DECLARE_OBJECT): Likewise.  Constify name.
2302
2303 2010-11-26  Michael Matz  <matz@suse.de>
2304
2305         * tree-ssa-copy.c (fini_copy_prop): Don't DCE when we have loops.
2306
2307         * passes.c (init_optimization_passes): Remove superfluous
2308         copy-prop pass.
2309
2310 2010-11-26  Richard Guenther  <rguenther@suse.de>
2311
2312         PR lto/46648
2313         * gimple.c (gtc_visit): Do not return true for members of an
2314         SCC still being processed but the current lattice value of
2315         the member.  Treat SCC members comparison state as lattice,
2316         starting at equal, eventually dropping to unequal.
2317         (gimple_types_compatible_p_1): Likewise.
2318
2319 2010-11-26  Richard Guenther  <rguenther@suse.de>
2320
2321         PR middle-end/46559
2322         * dwarf2out.c (dwarf2out_finish): Use comp_unit_die as root
2323         for location list processing.
2324
2325 2010-11-26  Richard Guenther  <rguenther@suse.de>
2326
2327         PR lto/46560
2328         * cgraph.c (cgraph_clone_edge): Clone call_stmt dependent
2329         flags manually.
2330
2331 2010-11-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2332
2333         * config/s390/s390.c (print_operand_address): Replace assert with
2334         error message.
2335         (print_operand): Replace assertions, gcc_unreachable and
2336         fatal_insn with error messages.
2337
2338 2010-11-26  Richard Guenther  <rguenther@suse.de>
2339
2340         PR tree-optimization/46665
2341         * tree-ssa-structalias.c (pt_solution_set_var): Use DECL_PT_UID.
2342
2343 2010-11-26  Ian Bolton  <ian.bolton@arm.com>
2344
2345         * config/arm/arm.c (arm_option_override): enable loop array
2346         prefetching at -O3 for suitable targets, and configure params.
2347         * config/arm/arm-protos.h (struct tune_params): Add fields for
2348         configuring loop array prefetching.
2349
2350 2010-11-26  Christian Borntraeger  <borntraeger@de.ibm.com>
2351
2352         * config/s390/2817.md (z196_crack): Add z196_g3 as possible slot.
2353
2354 2010-11-26  Richard Guenther  <rguenther@suse.de>
2355
2356         PR tree-optimization/46664
2357         * tree-affine.c (aff_combination_to_tree): Add rest last.
2358
2359 2010-11-26  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2360
2361         PR target/33637
2362         * configure.ac: Accept extra arguments for AS_FOR_TARGET,
2363         LD_FOR_TARGET, NM_FOR_TARGET, OBJDUMP_FOR_TARGET.
2364         * configure: Regenerated.
2365         * exec-tool.in: Not quoting command, may have extra arguments.
2366
2367 2010-11-26  Richard Guenther  <rguenther@suse.de>
2368
2369         PR tree-optimization/46528
2370         PR debug/46338
2371         * profile.c (branch_prob): Do not split blocks based on locations
2372         from debug statements.
2373
2374 2010-11-26  Jakub Jelinek  <jakub@redhat.com>
2375
2376         PR middle-end/46647
2377         * builtins.c (fold_builtin_memset): Check c is INTEGER_CST instead
2378         of host_integerp check.  Use TREE_INT_CST_LOW instead of tree_low_cst.
2379
2380         PR bootstrap/45700
2381         * tree.h (build1_stat_loc, build2_stat_loc, build3_stat_loc,
2382         build4_stat_loc, build5_stat_loc, build6_stat_loc): New inlines.
2383         (build1_loc, build2_loc, build3_loc, build4_loc, build5_loc,
2384         build6_loc): Define.
2385         * fold-const.c (protected_set_expr_location_unshare): New inline.
2386         (fold_convert_loc, pedantic_non_lvalue_loc): Use it.
2387         (negate_expr, associate_trees, non_lvalue_loc, omit_one_operand_loc,
2388         pedantic_omit_one_operand_loc, omit_two_operands_loc,
2389         fold_truth_not_expr, invert_truthvalue_loc, make_bit_field_ref,
2390         optimize_bit_field_compare, make_range, fold_range_test, fold_truthop,
2391         build_fold_addr_expr_with_type_loc, fold_unary_loc, fold_binary_loc,
2392         fold_indirect_ref_1, build_fold_indirect_ref_loc): Use builN_loc
2393         instead of buildN followed by SET_EXPR_LOCATION or
2394         protected_set_expr_location.
2395         (fold_build1_stat_loc, fold_build2_stat_loc, fold_build3_stat_loc):
2396         Use buildN_stat_loc instead of buildN_stat followed by
2397         SET_EXPR_LOCATION.
2398
2399 2010-11-26  Basile Starynkevitch  <basile@starynkevitch.net>
2400
2401         * Makefile.in (s-tm-texi): Remove spurous tab.
2402
2403 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
2404
2405         PR debug/46258
2406         * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on
2407         debug stmts.
2408
2409 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
2410
2411         * toplev.c (finalize): Add no_backend parameter.  Don't finish
2412         passes when preprocessing only.  Adjust...
2413         (do_compile): ... caller.
2414
2415 2010-11-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2416
2417         * config/pa/pa.md (negdf2): Condition on !flag_signed_zeros instead of
2418         flag_unsafe_math_optimizations.
2419         (negsf2): Likewise.
2420         Move fnegabs related patterns together.  Only use fmpynfadd instruction
2421         to negate a multiply if !flag_signed_zeros is true.
2422
2423 2010-11-25  Uros Bizjak  <ubizjak@gmail.com>
2424
2425         * gengtype-state.c (read_state_structures): Initialize "previous".
2426
2427 2010-11-25  Basile Starynkevitch  <basile@starynkevitch.net>
2428             Jeremie Salvucci  <jeremie.salvucci@free.fr>
2429
2430         * gengtype-state.c: Add new file.
2431
2432         * gengtype.c (type count): New variable.
2433         (new_structure, find_param_structure, create_pointer)
2434         (create_array): Use it to set state_number in types.
2435         (dump_everything): Improve comment.
2436         (main): Call read_state and write_state. Print type_count.
2437
2438         * gengtype.h (type_lineloc): New function.
2439         (read_state, write_state): New declarations.
2440
2441         * Makefile.in (GENGTYPE_FLAGS): New variable.
2442         (s-gtype): Run gengtype twice and generate gtype.state.
2443         (build/gengtype-state.o): New rule.
2444         (build/gengtype$(build_exeext)): Link gengtype-state.o.
2445         (mostlyclean): Update comment.  Remove gtype.state.
2446
2447 2010-11-25  Jakub Jelinek  <jakub@redhat.com>
2448
2449         PR middle-end/46637
2450         * combine.c (try_combine): When substing i2dest for i2src, pass
2451         1 as last argument even if
2452         i0_feeds_i1_n && i1_feeds_i2_n && i0dest_in_i0src.
2453
2454 2010-11-25  H.J. Lu  <hongjiu.lu@intel.com>
2455
2456         PR middle-end/46647
2457         * builtins.c (target_char_cast): Check INTEGER_CST instead of
2458         host_integerp.  Replace tree_low_cst with TREE_INT_CST_LOW.
2459
2460 2010-11-25  Joseph Myers  <joseph@codesourcery.com>
2461
2462         * target.def (supports_split_stack, except_unwind_info): Take
2463         gcc_options parameters.
2464         * targhooks.c (default_except_unwind_info,
2465         dwarf2_except_unwind_info, sjlj_except_unwind_info): Take
2466         gcc_options parameters.
2467         * targhooks.h (default_except_unwind_info,
2468         dwarf2_except_unwind_info, sjlj_except_unwind_info): Update
2469         prototypes.
2470         * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES,
2471         TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT):
2472         Document that hooks must not be modified.
2473         (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument.
2474         * doc/tm.texi: Regenerate.
2475         * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass
2476         &global_options to targetm.except_unwind_info.
2477         * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm,
2478         dwarf2out_begin_prologue, dwarf2out_frame_init,
2479         dwarf2out_frame_finish, dwarf2out_assembly_start): Pass
2480         &global_options to targetm.except_unwind_info.
2481         * except.c (init_eh, finish_eh_generation,
2482         gate_convert_to_eh_region_ranges,
2483         output_one_function_exception_table): Pass &global_options to
2484         targetm.except_unwind_info.
2485         * expr.c (build_personality_function): Pass &global_options to
2486         targetm.except_unwind_info.
2487         * function.c (expand_function_end): Pass &global_options to
2488         targetm.except_unwind_info.
2489         * hooks.c (hook_bool_bool_gcc_optionsp_false): New.
2490         * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare.
2491         * opts.c (finish_options): Pass opts to targetm.except_unwind_info
2492         and targetm.supports_split_stack.  Remove assertions about opts
2493         and opts_set.
2494         (common_handle_option): Remove assertions about opts, opts_set and dc.
2495         * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass
2496         &global_options to targetm.except_unwind_info.
2497         * tree.c (build_common_builtin_nodes: Pass &global_options to
2498         targetm.except_unwind_info.
2499         * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter.
2500         (arm_compute_func_type, arm_expand_prologue, thumb_pushpop,
2501         thumb1_expand_prologue, thumb1_output_function_prologue,
2502         arm_unwind_emit, arm_output_fn_unwind): Update calls to
2503         arm_except_unwind_info.
2504         * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options
2505         parameter.
2506         * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options
2507         parameter.
2508         (ia64_output_function_prologue, ia64_add_bundle_selector_before,
2509         ia64_reorg, ia64_asm_unwind_emit): Update calls to
2510         ia64_except_unwind_info.
2511         * config/pa/pa.c (pa_option_override): Pass &global_options to
2512         targetm.except_unwind_info.
2513         * config/picochip/picochip-protos.h (picochip_except_unwind_info):
2514         Remove prototype.
2515
2516 2010-11-25  Kai Tietz  <kai.tietz@onevision.com>
2517
2518         * cgraphunit.c (process_function_and_variable_attributes):
2519         Mark dllexport-ed function/variables as needed.
2520         * ipa.c (cgraph_externally_visible_p): Make dllexport-ed
2521         as externally visible.
2522
2523 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
2524
2525         PR rtl-optimization/46585
2526         * sel-sched-ir.c (return_regset_to_pool): Verify that RS is not NULL.
2527         (vinsn_init): Skip computation of dependencies for local NOPs.
2528         (vinsn_delete): Don't try to free regsets for local NOPs.
2529         (setup_nop_and_exit_insns): Change definition of nop_pattern.
2530
2531 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
2532
2533         PR rtl-optimization/46602
2534         * sel-sched-ir.c (maybe_tidy_empty_bb): Move checking ...
2535         (tidy_control_flow): Here.
2536
2537 2010-11-25  Joern Rennecke  <amylaar@spamcop.net>
2538             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2539
2540         PR bootstrap/45888
2541         * Makefile.in (s-tm-texi): Remove \r occurences from tmp-tm.texi.
2542         Fix target.def pathname in timestamp comparison.
2543
2544 2010-11-24  Richard Henderson  <rth@redhat.com>
2545
2546         * config/ia64/predicates.md (pmpyshr_operand): New.
2547         * config/ia64/ia64.c (ia64_expand_unpack): New.
2548         (ia64_expand_widen_mul_v4hi): New.
2549         (ia64_expand_widen_sum): Update for pattern renames.
2550         (ia64_expand_dot_prod_v8qi): Likewise.
2551         * config/ia64/ia64-protos.h: Update.
2552         * config/ia64/vect.md (vecwider): New mode attribute.
2553         (vec_widen_umult_lo_v8qi, vec_widen_umult_hi_v8qi): New.
2554         (vec_widen_smult_lo_v8qi, vec_widen_smult_hi_v8qi): New.
2555         (pmpyshr2, pmpyshr2_u): New.
2556         (vec_widen_smult_lo_v4hi, vec_widen_smult_hi_v4hi): New.
2557         (vec_widen_umult_lo_v4hi, vec_widen_umult_hi_v4hi): New.
2558         (mulv2si3): New.
2559         (vec_pack_ssat_v4hi): Rename from pack2_sss.
2560         (vec_pack_usat_v4hi): Rename from *pack2_uss.
2561         (vec_pack_ssat_v2si): Rename from pack4_sss.
2562         (vec_interleave_lowv8qi): Rename from unpack1_l, use the correct
2563         vec_select operation.
2564         (vec_interleave_highv8qi): Similarly.
2565         (mux1_alt): Rename from *mux1_alt.
2566         (vec_extract_evenv8qi, vec_extract_oddv8qi): New.
2567         (vec_interleave_lowv4hi): Rename from unpack2_l.
2568         (vec_interleave_highv4hi): Rename from unpack2_h.
2569         (mix2_r): Rename from *mix2_r.
2570         (mix2_l): Similarly.
2571         (vec_extract_evenodd_helper): New.
2572         (vec_extract_evenv4hi, vec_extract_oddv4hi): New.
2573         (vec_interleave_lowv2si): Rename from *unpack4_l.
2574         (vec_interleave_highv2si): Rename from *unpack4_h.
2575         (vec_extract_evenv2si, vec_extract_oddv2si): New.
2576         (vec_interleave_lowv2sf): Rename from fmix_r.
2577         (vec_interleave_highv2sf): Rename from *fmix_l.
2578         (vec_extract_evenv2sf, vec_extract_oddv2sf): New.
2579         (vec_unpacku_lo_<VECINT12>, vec_unpacku_hi_<VECINT12>): New.
2580         (vec_unpacks_lo_<VECINT12>, vec_unpacks_hi_<VECINT12>): New.
2581         (vec_pack_trunc_v4hi, vec_pack_trunc_v2si): New.
2582
2583 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
2584
2585         * targhooks.c (default_except_unwind_info): Remove
2586         MUST_USE_SJLJ_EXCEPTIONS case.
2587         * config/h8300/h8300.h (MUST_USE_SJLJ_EXCEPTIONS): Delete.
2588         * config/h8300/h8300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
2589         * doc/tm.texi.in (MUST_USE_SJLJ_EXCEPTIONS): Delete.
2590         * doc/tm.texi: Regenerate.
2591         * system.h (MUST_USE_SJLJ_EXCEPTIONS): Poison.
2592
2593 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
2594
2595         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
2596         __FLOAT_WORD_ORDER__ according to FLOAT_WORDS_BIG_ENDIAN.
2597         * config/dfp-bit.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Delete.
2598         * doc/cpp.texi (__FLOAT_WORD_ORDER__): Document.
2599         * system.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Poison.
2600
2601 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
2602
2603         PR target/46519
2604         * config/i386/i386.c (ix86_expand_call): Don't check
2605         TREE_THIS_VOLATILE.
2606
2607 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
2608
2609         PR target/46519
2610         * config/i386/i386.c (upper_128bits_state): New.
2611         (block_info_def): Remove upper_128bits_set and done.  Add state,
2612         referenced, count, processed and rescanned.
2613         (check_avx256_stores): Updated.
2614         (move_or_delete_vzeroupper_2): Updated. Handle deleted BB_END.
2615         Call note_stores only if needed.  Set referenced and count.
2616         (move_or_delete_vzeroupper_1): Updated.  Set rescan_vzeroupper_p.
2617         (rescan_move_or_delete_vzeroupper): New.
2618         (move_or_delete_vzeroupper):  Process and rescan all all basic
2619         blocks instead of predecessor blocks of all exit points.
2620         (ix86_option_override_internal): Enable vzeroupper optimization
2621         only for -fexpensive-optimizations and not optimizing for size.
2622         (use_avx256_p): Removed.
2623         (init_cumulative_args): Don't set use_avx256_p.
2624         (ix86_function_arg): Likewise.
2625         (ix86_expand_move): Likewise.
2626         (ix86_expand_vector_move_misalign): Likewise.
2627         (ix86_local_alignment): Likewise.
2628         (ix86_minimum_alignment): Likewise.
2629         (ix86_expand_epilogue): Don't check use_avx256_p when generating
2630         vzeroupper.
2631         (ix86_expand_call): Likewise.
2632
2633         * config/i386/i386.h (machine_function): Remove use_vzeroupper_p
2634         and use_avx256_p.  Add rescan_vzeroupper_p.
2635
2636 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
2637
2638         * toplev.c: Include <signal.h>.
2639
2640 2010-11-24  Richard Guenther  <rguenther@suse.de>
2641
2642         PR lto/43218
2643         * lto-symtab.c (lto_cgraph_replace_node): Mark edges with
2644         conflicting function signatures as non-inlineable.
2645
2646 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
2647
2648         PR rtl-optimization/46614
2649         * sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP_P): Define.
2650          (deps_analyze_insn): Mark JUMP_INSNs in
2651         last_pending_memory_flush that weren't added through
2652         flush_pending_lists with NON_FLUSH_JUMP_KIND.
2653         (sched_analyze_2, sched_analyze_insn): Check NON_FLUSH_JUMP_P
2654         on INSN_LIST instead of JUMP_P check on its operand.
2655         * sched-rgn.c (concat_INSN_LIST): Copy over REG_NOTE_KIND.
2656
2657 2010-11-24  Richard Guenther  <rguenther@suse.de>
2658
2659         * lto-streamer-in.c (input_gimple_stmt): Use types_compatible_p.
2660
2661 2010-11-24  Richard Guenther  <rguenther@suse.de>
2662
2663         PR lto/46606
2664         * lto-streamer-in.c (input_gimple_stmt): When we cannot find
2665         a FIELD_DECL that is type correct issue a warning and fixup
2666         with a VIEW_CONVERT_EXPR.
2667
2668 2010-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
2669
2670         * doc/invoke.texi (Options for Debugging Your Program or GCC):
2671         Explain static numbering of dump files.
2672
2673 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
2674
2675         * common.opt (user_vect_verbosity_level): New Variable entry.
2676         (ftree-vectorizer-verbose=): Mark as UInteger.
2677         * flag-types.h (enum vect_verbosity_levels): Move from enum
2678         verbosity_levels in tree-vectorizer.h.
2679         * opts.c: Don't include tree.h.
2680         (vect_set_verbosity_level): Move from tree-vectorizer.c.  Use
2681         gcc_options parameter; take integer option argument.
2682         (common_handle_option): Update call to vect_set_verbosity_level.
2683         * tree-vectorizer.c (user_vect_verbosity_level): Remove.
2684         (vect_set_verbosity_level): Move to opts.c.
2685         (vect_verbosity_level, vect_print_dump_info): Update for change of
2686         enum name.
2687         * tree-vectorizer.h (enum verbosity_levels): Move to flag-types.h.
2688         (vect_print_dump_info): Update for change of enum name.
2689         * tree.h (vect_set_verbosity_level): Remove.
2690         * Makefile.in (opts.o): Update dependencies.
2691
2692 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
2693
2694         PR middle-end/46629
2695         * cfgexpand.c (maybe_cleanup_end_of_block): Test NEXT_INSN (insn)
2696         instead of insn with any_condjump_p.
2697
2698 2010-11-24  Mingjie Xing  <mingjie.xing@gmail.com>
2699
2700         * config/mips/loongson.md: Change the description comment of the file
2701         and update the copyright years.
2702         (define_insn "<u>div<mode>3): Add loongson3a support.
2703         (define_insn "<u>mod<mode>3"): Likewise.
2704         * config/mips/mips.md: Rename mul<mode>3_mul3_ls2ef to
2705         mul<mode>3_mul3_loongson.
2706         (define_expand "mul<mode>3"): Add TARGET_LOONGSON_3A.
2707         (define_insn "mul<mode>3_mul3_loongson"): Add loongson3a support.
2708
2709 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2710
2711         * common.opt (initial_max_fld_align, flag_debug_asm,
2712         flag_dump_rtl_in_asm, flag_dump_all_passed, rtl_dump_and_exit,
2713         flag_print_asm_name, graph_dump_format, help_printed,
2714         help_columns, flag_opts_finished): New Variable entries.
2715         (fdbg-cnt-list, fdbg-cnt=, fdebug-prefix-map=, frandom-seed,
2716         frandom-seed=): Mark deferred.
2717         (fsched-verbose=): Use UInteger and Var.
2718         * flags.h (set_struct_debug_option, flag_print_asm_name,
2719         rtl_dump_and_exit, flag_debug_asm, flag_dump_rtl_in_asm,
2720         graph_dump_format): Don't declare here.
2721         * haifa-sched.c (sched_verbose_param, fix_sched_param): Remove.
2722         * opts-global.c: Include dbgcnt.h and debug.h.
2723         (decode_options): Pass location to finish_options.
2724         (handle_common_deferred_options): Check flag_dump_all_passed.
2725         Handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list, OPT_fdebug_prefix_map_,
2726         OPT_frandom_seed and OPT_frandom_seed_.  Don't assert on
2727         OPT_fstack_limit.
2728         * opts.c: Don't include toplev.h, dbgcnt.h or debug.h.
2729         (set_struct_debug_option): Add location_t parameter.  Update
2730         recursive call.  Use error_at.
2731         (default_options_optimization): Use error_at.
2732         (finish_options): Add location_t parameter.  Use
2733         opts->x_flag_opts_finished instead of first_time_p.  Use
2734         opts->x_optimize instead of optimize.  Use error_at.  Pass
2735         location to inform.
2736         (print_filtered_help): Use opts->x_help_printed to track what
2737         options have been printed.
2738         (print_specific_help): Use opts->x_help_columns to track number of
2739         columns.
2740         (common_handle_option): Pass locations and gcc_options pointers to
2741         more functions.  Use warning_at instead of fnotice and warning.
2742         Don't handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list or
2743         OPT_fdebug_prefix_map_.  Use error_at.  Set
2744         opts->x_initial_max_fld_align; don't set maximum_field_alignment.
2745         Don't handle OPT_frandom_seed or OPT_frandom_seed_.  Don't handle
2746         OPT_fsched_verbose_.
2747         (handle_param): Add location_r parameter.  Use error_at.
2748         (set_debug_level): Add location_r parameter.  Use error_at and
2749         warning_at.
2750         (setup_core_dumping): Add diagnostic_context parameter.
2751         (decode_d_option): Add gcc_options, location_t and
2752         diagnostic_context parameters and use them instead of global
2753         state.  Use warning_at.
2754         (enable_warning_as_error): Use error_at.
2755         * opts.h (finish_options): Update prototype.
2756         (set_struct_debug_option): Declare here.
2757         * rtl.h (fix_sched_param): Remove.
2758         * stor-layout.c (initial_max_fld_align): Remove.
2759         * toplev.c (rtl_dump_and_exit, flag_print_asm_name,
2760         graph_dump_format, flag_debug_asm, flag_dump_rtl_in_asm): Remove.
2761         (process_options): Set maximum_field_alignment.
2762         * tree.h (initial_max_fld_align) Don't declare here.
2763         * Makefile.in (opts.o, opts-global.o): Update dependencies.
2764
2765 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2766
2767         * flag-types.h (struct visibility_flags): Don't declare here.
2768         * flags.h (strip_off_ending, fast_math_flags_set_p,
2769         fast_math_flags_struct_set_p): Declare here.
2770         (visibility_options): Don't declare here.
2771         * opts-common.c (option_enabled, get_option_state): Move from
2772         opts.c.
2773         * opts-global.c: Include diagnostic.h instead of
2774         diagnostic-core.h.  Include tree.h, langhooks.h, lto-streamer.h
2775         and toplev.h.
2776         (const_char_p, ignored_options, in_fnames, num_in_fnames,
2777         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
2778         print_ignored_options, unknown_option_callback,
2779         post_handling_callback, lang_handle_option, add_input_filename,
2780         read_cmdline_options, initial_lang_mask, init_options_once,
2781         decode_cmdline_options_to_array_default_mask,
2782         set_default_handlers, decode_options): Move from opts.c.
2783         (print_ignored_options): Use warning_at instead of saving and
2784         restoring input_location.
2785         * opts.c: Include <signal.h> and <sys/resource.h>.  Include rtl.h
2786         instead of expr.h.  Don't include langhooks.h, except.h or
2787         lto-streamer.h.  Add more comments on includes.
2788         (strip_off_ending, setup_core_dumping, decode_d_option): Move from
2789         toplev.c.
2790         (visibility_options): Move to c-family/c-common.c.
2791         (const_char_p, ignored_options, in_fnames, num_in_fnames,
2792         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
2793         print_ignored_options, unknown_option_callback,
2794         post_handling_callback, lang_handle_option, add_input_filename,
2795         read_cmdline_options, initial_lang_mask, init_options_once,
2796         decode_cmdline_options_to_array_default_mask,
2797         set_default_handlers, decode_options): Move to opts-global.c.
2798         (target_handle_option, default_options_optimization,
2799         finish_options, common_handle_option): Remove static.
2800         (option_enabled, get_option_state): Move to opts-common.c.
2801         * opts.h (common_handle_option, target_handle_option,
2802         finish_options, default_options_optimization): Declare.
2803         * toplev.c: Don't include <signal.h> or <sys/resource.h>.
2804         (setup_core_dumping, strip_off_ending, decode_d_option): Move to
2805         opts.c.
2806         * toplev.h (strip_off_ending, decode_d_option,
2807         fast_math_flags_set_p, fast_math_flags_struct_set_p): Don't
2808         declare here.
2809         * Makefile.in (opts.o, opts-global.o): Update dependencies.
2810
2811 2010-11-23  Dave Korn  <dave.korn.cygwin@gmail.com>
2812
2813         PR driver/42690
2814         * gcc.c (LINK_COMMAND_SPEC): Remove hard-coded pass-through plugin
2815         options, replace by call of pass-through-libs spec function to process
2816         link_gcc_c_sequence spec.
2817         (lto_libgcc_spec): Delete variable.
2818         (static_specs[]): Remove related entry.
2819         (static_spec_functions[]): Add new entry for pass-through-libs.
2820         (main): Don't generate deleted lto_libgcc_spec.
2821         (pass_through_libs_spec_func): New function to implement the new
2822         pass-through-libs spec function.
2823         * doc/invoke.texi (pass-through-libs): Document new spec function.
2824
2825 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2826
2827         * doc/options.texi (Warning, Optimization): Document.
2828
2829 2010-11-23  Jan Hubicka  <jh@suse.cz>
2830
2831         * tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.
2832         (tree_decl_with_vis): Add implicit_section_name_p.
2833         * targhooks.h (default_function_section): Declare.
2834         * target.def (function_section): New hook.
2835         * defaults.h (HOT_TEXT_SECTION_NAME,
2836         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2837         * predict.c (choose_function_section): Remove.
2838         (estimate_bb_frequencies): Do not use choose_function_section.
2839         * coretypes.h (enum node_frequency): Move here from cgraph.h
2840         * cgraph.h (enum node_frequency): Remove.
2841         * varasm.c (initialize_cold_section_name, unlikely_text_section,
2842         unlikely_text_section_p): Remove.
2843         (named_subsection_entry): New structure.
2844         (get_text_section): New function.
2845         (default_function_section): New function.
2846         (function_section_1): Break out from ...; handle profile info.
2847         (function_section): ... here.
2848         (unlikely_text_section): Remove.
2849         (unlikely_text_section_p): Use function_section_1.
2850         (assemble_start_function): Do not initialize cold section.
2851         (default_section_type_flags): Do not special case cold subsection.
2852         (switch_to_section): Likewise.
2853         * output.h (get_text_section): Define.
2854         * config/i386/winnt.c: Do not special case cold section.
2855         * config/darwin-protos.h (darwin_function_section): Declare.
2856         * config/microblaze/microblaze.h (HOT_TEXT_SECTION_NAME,
2857         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2858         * config/ia64/hpux.h (HOT_TEXT_SECTION_NAME,
2859         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2860         (TARGET_ASM_FUNCTION_SECTION): Define to ia64_hpux_function_section.
2861         * config/ia64/ia64.c (ia64_hpux_function_section): New function.
2862         * config/darwin.c (machopic_select_section): Use
2863         darwin_function_section.
2864         (darwin_function_section): New function.
2865         * config/darwin.h (HOT_TEXT_SECTION_NAME,
2866         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2867         (TARGET_ASM_FUNCTION_SECTION): Define.
2868         * system.h (HOT_TEXT_SECTION_NAME,
2869         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Poison.
2870
2871 2010-11-23  Iain Sandoe  <iains@gcc.gnu.org>
2872
2873         * config/darwin.h (LINK_COMMAND_SPEC_A): Use %(link_gcc_c_sequence).
2874         LINK_GCC_C_SEQUENCE_SPEC: Define new macro.
2875
2876 2010-11-23  Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR middle-end/46499
2879         * cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
2880         following unconditional jumps.
2881
2882 2010-11-23  Richard Guenther  <rguenther@suse.de>
2883
2884         * doc/md.texi (386 constraints): Clarify A constraint documentation.
2885
2886 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
2887             Jeremie Salvucci  <jeremie.salvucci@free.fr>
2888
2889         * gengtype.c (enum typekind, struct options)
2890         (struct nested_ptr_data, struct pair, NUM_PARAM)
2891         (enum gc_used_num, struct type, UNION_P, UNION_OR_STRUCT_P):
2892         Move to gengtype.h.
2893         (string_type, scalar_nonchar, scalar_nonchar, scalar_char):
2894         Remove static, add zero state_number.
2895         (typedefs, structures, param_structs, variables): Remove static.
2896         (create_option): Remove.
2897         (create_string_option, create_type_option, create_nested_option):
2898         New functions.
2899         (create_nested_ptr_option): Use create_nested_option.
2900         (note_variable, adjust_field_rtx_def, adjust_field_type): Call the
2901         new create*option functions.
2902         (process_gc_options): Adjust for discriminated option.
2903         (output_mangled_typename): Handle TYPE_NONE.
2904         (walk_type): Test option kinds.
2905         (write_types_process_field): Handle TYPE_NONE and TYPE_ARRAY.
2906         (write_func_for_structure, write_type, write_local, write_root)
2907         (write_roots, note_def_vec, dump_options): Adjust for
2908         discriminated option.
2909
2910         * gengtype.h (typedefs, structures, param_structs, variables
2911         enum typekind): Move from gengtype.c
2912         (enum option_kind): New discriminating enumeration.
2913         (struct options): Becomes discriminated.
2914         (struct nested_ptr_data): Nove from gengtype.c
2915         (create_string_option, create_type_option, create_nested_option)
2916         (create_nested_ptr_option): New functions
2917         (struct pair, enum_gc_used_enum, NUM_PARAM, struct type, UNION_P)
2918         (UNION_OR_STRUCT_P): Move from gengtype.c
2919
2920         * gengtype-parse.c (str_optvalue_opt, type_optvalue, option): Make
2921         discriminated options.
2922
2923 2010-11-23  Richard Guenther  <rguenther@suse.de>
2924
2925         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid doing work
2926         twice.  Avoid re-allocating the ops vector all the time.
2927
2928 2010-11-23  Richard Guenther  <rguenther@suse.de>
2929
2930         * tree-ssa-alias.c (refs_may_alias_p_1): Avoid calls to
2931         is_gimple_min_invariant, group tree code checks to allow
2932         combining them.
2933         (stmt_may_clobber_ref_p_1): Check for SSA_NAME instead
2934         of is_gimple_reg.
2935
2936 2010-11-23  Eric Botcazou  <ebotcazou@adacore.com>
2937
2938         * config.gcc (sparc*-*-*): Reorder.
2939
2940 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
2941
2942         * gengtype.c (header_dot_h_frul, source_dot_c_frul):
2943         Remove ENABLE_CHECKING around DBGPRINTF.
2944
2945 2010-11-22  Joseph Myers  <joseph@codesourcery.com>
2946
2947         * common.opt (exit_after_options, write_symbols, debug_info_level,
2948         use_gnu_debug_info_extensions): New Variable entries.
2949         (fprofile-dir=): Use Var.
2950         * flag-types.h (enum debug_info_level): Rename to enum
2951         debug_info_levels.
2952         * flags.h (write_symbols, debug_info_level,
2953         use_gnu_debug_info_extensions): Remove declarations.
2954         * opts.c (exit_after_options, write_symbols, debug_info_level): Remove.
2955         (set_struct_debug_option): Make static variables const.
2956         (use_gnu_debug_info_extensions): Remove.
2957         (set_debug_level, print_filtered_help, print_specific_help,
2958         fast_math_flags_set_p): Take gcc_options parameters and use them
2959         in place of global variables.
2960         (print_filtered_help): Make new_help non-static.
2961         (print_specific_help): Update call to print_filtered_help.
2962         (common_handle_option): Update calls to print_specific_help.  Use
2963         gcc_options structure for more settings.  Make --help table
2964         const.  Don't handle OPT_fprofile_dir_ here.  Update calls to
2965         set_debug_level.
2966         * toplev.c (profile_data_prefix): Remove.
2967         * toplev.h (profile_data_prefix, exit_after_options): Remove
2968         declarations.
2969         (fast_math_flags_set_p): Update prototype.
2970         * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
2971         Update call to fast_math_flags_set_p.
2972
2973 2010-11-22  Richard Henderson  <rth@redhat.com>
2974
2975         PR target/46434
2976         * config/crx/crx.c (crx_addr_reg): Rename from crx_addr_reg_p;
2977         return the address register extracted.
2978         (crx_decompose_address): Update the extracted address register.
2979
2980 2010-11-22  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2981
2982         PR driver/43335
2983         * gcc.c (main): Don't crash when lto-wrapper program is not found.
2984
2985 2010-11-22  Joern Rennecke  <amylaar@spamcop.net>
2986
2987         PR target/46608
2988         * config/picochip/picochip.c (picochip_secondary_reload): Make static.
2989         * config/picochip/picochip-protos.h: Don't include "target.h" .
2990         (picochip_secondary_reload): Don't declare.
2991
2992         PR target/46613
2993         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Declare.
2994         * config/m32c/m32c.c (m32c_conditional_register_usage): No longer
2995         static.
2996
2997 2010-11-22  H.J. Lu  <hongjiu.lu@intel.com>
2998
2999         PR bootstrap/46609
3000         * gengtype.c (header_dot_h_frul): Check ENABLE_CHECKING.
3001         (source_dot_c_frul): Likewise.
3002
3003 2010-11-22  Basile Starynkevitch  <basile@starynkevitch.net>
3004
3005         * gimple-pretty-print.c (dump_bb_header): Add check for cfun.
3006
3007 2010-11-22  Paolo Bonzini  <bonzini@gnu.org>
3008
3009         PR bootstrap/44970
3010         * Makefile.in (fwprop.o) Add sparseset.h.
3011         * fwprop.c: Include sparseset.h
3012         (struct find_occurrence_data, find_occurrence_callback,
3013         find_occurrence): Remove.
3014         (active_defs, active_defs_check, register_active_defs,
3015         update_df_init, update_uses): New.
3016         (update_df): Rewrite.
3017         (try_fwprop_subst, forward_propagate_asm): Add calls to
3018         update_df_init and update_df.
3019         (fwprop_init): Allocate active_defs and active_defs_check.
3020         (fwprop_done): Free them.
3021         (fwprop, fwprop_addr): Adjust comments.
3022         * df.h (df_uses_create): Declare.
3023         * df-scan.c (df_install_ref_incremental): Break out of df_ref_create.
3024         (df_ref_create): Return result of df_ref_create_structure directly.
3025         (df_ref_create_structure): Call df_install_ref_incremental when
3026         no collection_rec is passed.
3027         (df_ref_record): Do not create multiword hard reg info when no
3028         collection_rec is passed.
3029         (df_uses_create): New.
3030
3031 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
3032
3033         PR middle-end/43057
3034         * fold-const.c (pedantic_non_lvalue_loc): Unshare x before
3035         setting location.
3036
3037 2010-11-22  Richard Guenther  <rguenther@suse.de>
3038
3039         * gimple-fold.c (maybe_fold_reference): When canonicalizing
3040         MEM_REFs, preserve volatileness.
3041         * cgraphbuild.c (mark_address): Properly check for FUNCTION_DECL
3042         addresses.
3043
3044 2010-11-22  Richard Guenther  <rguenther@suse.de>
3045
3046         * tree-ssa-ccp.c (get_base_constructor): Remove superfluous breaks.
3047
3048 2010-11-22  Alexander Monakov  <amonakov@ispras.ru>
3049
3050         PR rtl-optimization/45652
3051         * alias.c (get_reg_base_value): New.
3052         * rtl.h (get_reg_base_value): Add prototype.
3053         * sel-sched.c (init_regs_for_mode): Use it.  Don't use registers with
3054         non-null REG_BASE_VALUE for renaming.
3055
3056 2010-11-22  Jeremie Salvucci  <jeremie.salvucci@free.fr>
3057             Basile Starynkevitch  <basile@starynkevitch.net>
3058
3059         * gengtype.c: Include xregex.h and obstack.h
3060         Added comments about role of get_output_file_with_visibility and
3061         our regexpr machinery.
3062         (frul_actionrout_t, struct file_rule_st): New.
3063         (hader_dot_h_frul, source_dot_c_frul): New functions.
3064         (NULL_REGEX,  NULL_FRULACT): New.
3065         (files_rules): New.
3066         (matching_file_name_substitute): New function.
3067         (get_output_file_with_visibility): Updated comments and rewritten
3068         to use the new files_rules machinery.
3069
3070         * Makefile.in (XREGEX_H): Added variable.
3071         (build/gengtype.o): Added dependencies for xregex.h and obstack.h
3072
3073 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
3074
3075         * system.h (FUNCTION_ARG_BOUNDARY): Really poison.
3076
3077 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
3078
3079         * target.def (conditional_register_usage): Define.
3080         * reginfo.c (init_reg_sets_1): Call
3081         targetm.conditional_register_usage.
3082         * system.h (CONDITIONAL_REGISTER_USAGE): Poison.
3083         * doc/tm.texi.in (CONDITIONAL_REGISTER_USAGE): Adjust language
3084         for making it a hook.
3085         * doc/tm.texi: Regenerate.
3086         * config/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3087         * config/alpha/alpha.c (alpha_conditional_register_usage): ...here.
3088         New function.
3089         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3090         * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3091         * config/arc/arc.c (arc_conditional_register_usage): ...here.
3092         New function.
3093         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3094         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3095         * config/arm/arm.c (arm_conditional_register_usage): ...here.
3096         New function.
3097         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3098         * config/bfin/bfin.h (CONDITIONAL_REGISTER_USAGE): Delete.
3099         * config/bfin/bfin-protos.h (conditional_register_usage): Delete.
3100         * config/bfin/bfin.c (conditional_register_usage): Move code into...
3101         (bfin_conditional_register_usage): ...here.  New function.
3102         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3103         * config/cris/cris.h (CONDITIONAL_REGISTER_USAGE): Delete.
3104         * config/cris/cris-protos.h (cris_conditional_register_usage): Delete.
3105         * config/cris/cris.c (cris_conditional_register_usage): Make static.
3106         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3107         * config/fr30/fr30.h (FIXED_REGISTERS): Adjust comment.
3108         * config/frv/frv.h (CONDITIONAL_REGISTER_USAGE): Delete.
3109         * config/frv/frv-protos.h (frv_conditional_register_usage): Delete.
3110         * config/frv/frv.c (frv_conditional_register_usage): Make static.
3111         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3112         * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3113         * config/h8300/h8300.c (h8300_conditional_register_usage): ...here.
3114         New function.
3115         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3116         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Delete.
3117         * config/i386/i386-protos.h (ix86_conditional_register_usage): Delete.
3118         * config/i386/i386.c (ix86_conditional_register_usage): Make static.
3119         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3120         * config/m32c/m32c.h (CONDITIONAL_REGISTER_USAGE): Delete.
3121         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Delete.
3122         * config/m32c/m32c.c (m32c_conditional_register_usage): Make static.
3123         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3124         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3125         * config/m32r/m32r.c (m32r_conditional_register_usage): ...here.
3126         New function.
3127         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3128         * config/m68hc11/m68hc11.h (CONDITIONAL_REGISTER_USAGE): Delete.
3129         * config/m68hc11/m68hc11-protos.h (m68hc11_conditional_register_usage):
3130         Delete.
3131         * config/m68hc11/m68hc11.c (m68hc11_conditional_register_usage): Make
3132         static.
3133         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3134         * config/mep/mep.h (CONDITIONAL_REGISTER_USAGE): Delete.
3135         * config/mep/mep-protos.h (mep_conditional_register_usage): Delete.
3136         * config/mep/mep.c (mep_conditional_register_usage): Make static.
3137         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3138         * config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Delete.
3139         * config/mips/mips-protos.h (mips_conditional_register_usage): Delete.
3140         * config/mips/mips.c (mips_conditional_register_usage): Make static.
3141         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3142         * config/mmix/mmix.h (CONDITIONAL_REGISTER_USAGE): Delete.
3143         * config/mmix/mmix-protos.h (mmix_conditional_register_usage): Delete.
3144         * config/mmix/mmix.c (mmix_conditional_register_usage): Make static.
3145         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3146         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3147         * config/mn10300/mn10300.c (mn10300_conditional_register_usage):
3148         ...here.  New function.
3149         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3150         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3151         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): ...with this...
3152         * config/pa/pa.c (pa_conditional_register_usage): ...here.
3153         New function.
3154         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3155         * config/pdp11/pdp11.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3156         * config/pdp11/pdp11.c (pdp11_conditional_register_usage): ...here.
3157         New function.
3158         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3159         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Delete.
3160         * config/rs6000/rs6000-protos.h (rs6000_conditional_register_usage):
3161         Delete.
3162         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
3163         static.
3164         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3165         * config/rx/rx.h (CONDITIONAL_REGISTER_USAGE): Delete.
3166         * config/rx/rx-protos.h (rx_conditional_register_usage): Delete.
3167         * config/rx/rx.c (rx_conditional_register_usage): Make static.
3168         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3169         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Delete.
3170         * config/s390/s390-protos.h (s390_conditional_register_usage): Delete.
3171         * config/s390/s390.c (s390_conditional_register_usage): Make static.
3172         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3173         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3174         * config/score/score.c (score_conditional_register_usage): ...here.
3175         New function.
3176         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3177         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3178         * config/sh/sh.c (sh_conditional_register_usage): ...here.
3179         New function.
3180         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3181         * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3182         * config/sparc/sparc.c (sparc_conditional_register_usage): ...here.
3183         New function.
3184         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3185         * config/spu/spu.h (CONDITIONAL_REGISTER_USAGE): Delete.
3186         * config/spu/spu-protos.h (spu_conditional_register_usage): Delete.
3187         * config/spu/spu.c (spu_conditional_register_usage): Make static.
3188         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3189         * config/v850/v850.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3190         * config/v850/v850.c (v850_conditional_register_usage): ...here.
3191         New function.
3192         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3193
3194 2010-11-21  Jan Hubicka  <jh@suse.cz>
3195             Dominique d'Humieres <dominiq@lps.ens.ft>
3196
3197         PR target/46510
3198         * tree-emutls.c (get_emutls_init_templ_addr, new_emutls_decl): Do not
3199         finalize external decls.
3200
3201 2010-11-21  Joseph Myers  <joseph@codesourcery.com>
3202
3203         * system.h (strerror): Poison.
3204
3205 2010-11-21  Richard Henderson  <rth@redhat.com>
3206
3207         * config/ia64/ia64.c (ia64_expand_builtin): Use the correct mode
3208         for infq/huge_valq.
3209
3210 2010-11-21  Richard Henderson  <rth@redhat.com>
3211
3212         PR rtl-optimization/46571
3213         * gcse.c (hash_scan_set): Use next_nonnote_nondebug_insn.
3214         (compute_hash_table_work): Use NONDEBUG_INSN_P.
3215
3216 2010-11-21  Paul Koning  <ni1d@arrl.net>
3217
3218         * config/mips/pdp11.md (negsi2): Fix wrong code.
3219
3220 2010-11-21  Paul Koning  <ni1d@arrl.net>
3221
3222         * config/mips/pdp11.c (pdp11_legitimate_address_p): New function.
3223         * config/mips/pdp11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3224
3225 2010-11-21  Eric Botcazou  <ebotcazou@adacore.com>
3226
3227         * config/mips/mips.c (machine_function): Rename load_label_length to
3228         load_label_num_insns.
3229         (mips_load_label_length): Rename to...
3230         (mips_load_label_num_insns): ...this.  Adjust to first renaming.
3231         (mips_adjust_insn_length): Adjust to second renaming.  Fix thinko.
3232
3233 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
3234
3235         PR target/46533
3236         * config/alpha/predicates.md (direct_call_operand): Return false
3237         for !TARGET_SMALL_TEXT targets.
3238
3239 2010-11-20  Joseph Myers  <joseph@codesourcery.com>
3240
3241         * doc/tm.texi.in (HANDLE_SYSV_PRAGMA,
3242         HANDLE_PRAGMA_PACK_PUSH_POP): Remove.
3243         (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Don't refer to HANDLE_SYSV_PRAGMA.
3244         * doc/tm.texi: Regenerate.
3245         * system.h (HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_SYSV_PRAGMA,
3246         HANDLE_PRAGMA_WEAK): Poison.
3247         * config/alpha/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
3248         * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3249         * config/alpha/osf5.h (HANDLE_SYSV_PRAGMA): Don't define.
3250         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Don't define.
3251         * config/arm/arm.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3252         * config/arm/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
3253         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3254         * config/darwin.h (HANDLE_SYSV_PRAGMA): Don't define.
3255         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3256         * config/elfos.h (HANDLE_SYSV_PRAGMA): Don't define.
3257         * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3258         * config/frv/frv.h (HANDLE_SYSV_PRAGMA): Don't define.
3259         * config/i386/cygming.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3260         * config/i386/djgpp.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3261         * config/i386/i386-interix.h (HANDLE_SYSV_PRAGMA): Don't define.
3262         (HANDLE_PRAGMA_WEAK): Don't undefine.
3263         * config/i386/netware.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3264         * config/i386/vxworks.h (HANDLE_SYSV_PRAGMA): Don't define.
3265         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3266         * config/ia64/ia64.h (HANDLE_SYSV_PRAGMA): Don't define.
3267         * config/interix.h (HANDLE_SYSV_PRAGMA): Don't define.
3268         (HANDLE_PRAGMA_WEAK): Don't undefine.
3269         * config/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3270         * config/m32r/linux.h (HANDLE_SYSV_PRAGMA): Don't define.
3271         (HANDLE_PRAGMA_PACK): Don't undefine.
3272         * config/m32r/m32r.h (HANDLE_SYSV_PRAGMA): Don't undefine.
3273         * config/mep/mep.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3274         * config/mips/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3275         * config/mips/sde.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3276         * config/mmix/mmix.h (HANDLE_SYSV_PRAGMA): Don't define.
3277         * config/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
3278         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3279         * config/openbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
3280         * config/pa/pa-hpux.h (HANDLE_SYSV_PRAGMA): Don't define.
3281         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3282         * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Don't define.
3283         * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3284         * config/rx/rx.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3285         * config/score/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
3286         * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3287         * config/stormy16/stormy16.h (HANDLE_SYSV_PRAGMA): Don't define.
3288         * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3289
3290 2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>
3291
3292         PR target/31100
3293         * config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
3294         * config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
3295         * config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.
3296
3297 2010-11-20  Jan Hubicka  <jh@suse.cz>
3298
3299         * cgraph.c (ld_plugin_symbol_resolution_names): New.
3300         (dump_cgraph_node): Dump resolution.
3301         * cgraph.h (ld_plugin_symbol_resolution_names): Declare.
3302         (cgraph_comdat_can_be_unshared_p): Dclare.
3303         * lto-streamer-out.c (produce_symtab): Use
3304         cgraph_comdat_can_be_unshared_p.
3305         * ipa.c (cgraph_address_taken_from_non_vtable_p): New function.
3306         (cgraph_comdat_can_be_unshared_p): New function based on logic
3307         in cgraph_externally_visible_p.
3308         (cgraph_externally_visible_p): Use it.
3309         (varpool_externally_visible_p): Virtual tables can be unshared.
3310         * varpool.c (dump_varpool_node): Dump resolution.
3311
3312 2010-11-20  Jan Hubicka  <jh@suse.cz>
3313
3314         * stmt.c (lshift_cheap_p): Support properly optimize_insn_for_speed_p.
3315
3316 2010-11-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3317
3318         PR other/46202
3319         * Makefile.in (install_sh, INSTALL_STRIP_PROGRAM): New variables.
3320         (AR_FOR_TARGET, RANLIB_FOR_TARGET, STRIP_FOR_TARGET): Fix
3321         shell quoting.
3322         (STRIP_FOR_TARGET): Look for in-tree strip under name strip-new.
3323         (install-strip): New target.
3324         (STRIPPROG): New variable, exported if STRIP is set.
3325         * doc/install.texi (Final install): Minor markup and code style
3326         fixes.  Document install-strip target.
3327
3328 2010-11-20  Paul Koning  <ni1d@arrl.net>
3329
3330         * config/pdp11/pdp11-protos.h (pdp11_initial_elimination_offset,
3331         pdp11_regno_reg_class): New functions.
3332         * config/pdp11/pdp11.md (define_constants): Add register numbers.
3333         * config/pdp11/pdp11.c (pdp11_regno_reg_class,
3334         pdp11_sp_frame_offset, pdp11_initial_elimination_offset): New
3335         functions.
3336         * config/pdp11/pdp11.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Add
3337         frame pointer and argument pointer pseudo-registers.
3338         (ARG_POINTER_REGNUM): Define.
3339         (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add frame pointer and
3340         argument pointer.
3341         (FIRST_PARM_OFFSET): Update for argument pointer.
3342         (INITIAL_FRAME_POINTER_OFFSET): Delete.
3343         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): New macros.
3344         (REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_INDEX_P, REGISTER_NAMES): Add
3345         frame pointer and argument pointer.
3346
3347 2010-11-20  Jakub Jelinek  <jakub@redhat.com>
3348
3349         PR debug/46561
3350         * tree-parloops.c (try_create_redunction_list): Ignore debug stmts
3351         when looking for immediate uses.
3352
3353         PR tree-optimization/45830
3354         * stmt.c (expand_switch_using_bit_tests_p): New function.
3355         (expand_case): Use it.
3356         * tree.h (expand_switch_using_bit_tests_p): New prototype.
3357         * tree-switch-conversion.c (struct switch_conv_info): Add
3358         bit_test_uniq, bit_test_count and bit_test_bb fields.
3359         (check_range): Fix a comment.
3360         (check_process_case): Compute bit_test_uniq and bit_test_count.
3361         (create_temp_arrays): Use XCNEWVEC, merge 3 arrays into one
3362         allocation.
3363         (free_temp_arrays): Use XDELETEVEC, adjust for the 3 arrays merging.
3364         (constructor_contains_same_values_p): Use FOR_EACH_VEC_ELT.
3365         (array_value_type): New function.
3366         (build_one_array): Use it, if it returned different type,
3367         fold_convert all constructor fields and convert back to the
3368         wider type in the generated code.
3369         (process_switch): Initialize bit_test_uniq, bit_test_count and
3370         bit_test_bb fields.  Don't optimize if expand_switch_using_bit_tests_p
3371         returned true.
3372
3373 2010-11-19  Michael Matz  <matz@suse.de>
3374
3375         PR tree-optimization/46077
3376         * tree-chrec.c (eq_evolutions_p): Accept some expressions.
3377
3378 2010-11-19  Anatoly Sokolov  <aesok@post.ru>
3379
3380         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3381         * config/mn10300/mn10300.c (mn10300_asm_output_addr_const_extra): New
3382         function.
3383         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3384
3385 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
3386
3387         * mode-switching.c (optimize_mode_switching): Use
3388         FOR_BB_INSNS instead of open-coded loop.
3389         * cfgrtl.c (redirect_branch_edge): Ditto.
3390
3391 2010-11-19  Joern Rennecke  <amylaar@spamcop.net>
3392
3393         PR target/46436
3394         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Split shift count
3395         to accomodate 32 bit HOST_WIDE_INT.
3396         (m68hc11_emit_logical): Remove unused variable insn.
3397         (m68hc11_check_z_replacement) <CLOBBER>: Set this_insn_uses_ix and
3398         this_insn_uses_iy before use.
3399
3400         PR target/46434
3401         * config/crx/crx.c (crx_expand_epilogue): Remove unused variable.
3402
3403 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3404
3405         PR c/46547
3406         * c-tree.h (in_late_binary_op): Move to c-family/c-common.h.
3407         * c-typeck.c (in_late_binary_op): Move to c-family/c-common.c.
3408
3409 2010-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
3410
3411         * doc/extend.texi (Function attributes): Document PowerPC target
3412         attributes that are supported.
3413         (Pragmas): Document that PowerPC now supports target pragmas.
3414
3415         * doc/options.texi (TargetVariable): Document TargetVariable,
3416         HeaderInclude, and SourceInclude.
3417
3418         * doc/invoke.texi (-mfused-madd): Document that -mfused-madd is
3419         mapped to -ffp-contract=fast, and -mno-fused-madd is mapped to
3420         -ffp-contract=off.
3421
3422         * optc-gen.awk: Add support for TargetVariable, HeaderInclude, and
3423         SourceInclude directives.  Fix a cut+paste error with target save
3424         enum variables.  Sort enums in the structures after ints and
3425         before shorts.
3426         * opth-gen.awk: Ditto.
3427
3428         * configure.ac: Add support for HeaderInclude and SourceInclude option
3429         directives to add the appropriate files to the dependency lists.
3430         * configure: Regenerate.
3431         * Makefile.in (OPTIONS_H_EXTRA): New variable for HeaderInclude.
3432         (OPTIONS_C_EXTRA): New variable for SourceInclude.
3433         (OPTIONS_H): Add $(OPTIONS_H_EXTRA).
3434         (options.o): Add $(OPTIONS_C_EXTRA) dependency.
3435         (gcc-options.o): Ditto.
3436         * opt-include.awk: New awk script to handle HeaderInclude and
3437         TargetInclude.
3438
3439         * config/rs6000/aix.opt (-mxl-compat): Mark option as Save so it
3440         gets saved in the target options.
3441         * config/rs6000/linux64.opt (-mprofile-kernel): Ditto.
3442         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
3443         (-mprototype): Ditto.
3444         (-mbit-word): ditto.
3445         (-mregnames): Ditto.
3446         (-msecure-plt): Ditto.
3447         (-mbss-plt): Ditto.
3448         * config/rs6000/rs6000.opt (-mpowerpc-gpopt): Ditto.
3449         (-mpowerpc-gfxopt): Ditto.
3450         (-mmfcrf): Ditto.
3451         (-mpopcntb): Ditto.
3452         (-mfprnd): Ditto.
3453         (-mcmpb): Ditto.
3454         (-mmmfpgpr): Ditto.
3455         (-maltivec): Ditto.
3456         (-mhard-dfp): Ditto.
3457         (-mmulhw): Ditto.
3458         (-mdlmzb): Ditto.
3459         (-mmultiple): Ditto.
3460         (-mstring): Ditto.
3461         (-mpopcntd): Ditto.
3462         (-mfriz): Ditto.
3463         (-mvsx): Ditto.
3464         (-mno-update): Ditto.
3465         (-mavoid-indexed-addresses): Ditto.
3466         (-mtls-markers): Ditto.
3467         (-msched-epilog): Ditto.
3468         (-msched-prolog): Ditto.
3469         (-maix-struct-return): Ditto.
3470         (-msvr4-struct-return): Ditto.
3471         (-mxl-compat): Ditto.
3472         (-mrecip-precision): Ditto.
3473         (-mfp-in-toc): Ditto.
3474         (-msum-in-toc): Ditto.
3475         (-mvrsave): Ditto.
3476         (-mblock-move-inline-limit=): Ditto.
3477         (-misel): Ditto.
3478         (-mpaired): Ditto.
3479         (-mlongcall): Ditto.
3480         (-mgen-cell-microcode): Ditto.
3481         (-mwarn-cell-microcode): Ditto.
3482         (-mwarn-altivec-long): Ditto.
3483         (-mprioritize-restricted-insns=): Ditto.
3484         (-msingle-float): Ditto.
3485         (-mdouble-float): Ditto.
3486         (-msimple-fpu): Ditto.
3487         (-mxilinx-fpu): Ditto.
3488         * config/rs6000/aix64.opt (-mpe): Ditto.
3489
3490         * config/rs6000/rs6000.opt (HeaderInclude): Include rs6000-opts.h.
3491         (rs6000_cpu): Move variable to be a target variable.  Rename
3492         cmodel to rs6000_current_cmodel because of macro conflict.  Merge
3493         -mdebug=<xxx> variables into a single int.
3494         (rs6000_always_hint): Ditto.
3495         (rs6000_sched_groups): Ditto.
3496         (rs6000_align_branch_targets): Ditto.
3497         (rs6000_sched_costly_dep): Ditto.
3498         (rs6000_sched_insert_nops): Ditto.
3499         (rs6000_long_double_type_size): Ditto.
3500         (rs6000_ieeequad): Ditto.
3501         (rs6000_altivec_abi): Ditto.
3502         (rs6000_spe): Ditto.
3503         (rs6000_spe_abi): Ditto.
3504         (rs6000_float_gprs): Ditto.
3505         (rs6000_darwin64_abi): Ditto.
3506         (can_override_loop_align): Ditto.
3507         (rs6000_sdata): Ditto.
3508         (rs6000_tls_size): Ditto.
3509         (rs6000_current_abi): Ditto.
3510         (rs6000_traceback): Ditto.
3511         (rs6000_alignment_flags): Ditto.
3512         (rs6000_current_cmodel): Ditto.
3513         (rs6000_recip_control): Ditto.
3514         (rs6000_cpu_index): Ditto.
3515         (rs6000_tune_index): Ditto.
3516         (rs6000_debug): Ditto.
3517         (rs6000_target_flags_explict): Ditto.
3518
3519         * config/rs6000/rs6000-protos.h (rs6000_pragma_target_parse): Add
3520         declaration.
3521
3522         * config/rs6000/linux64.h (rs6000_current_cmode): Rename from
3523         cmodel.  Change all uses.
3524
3525         * config/rs6000/rs6000.c (rs6000_always_hint): Move to
3526         rs6000.opt.  Combine -mdebug=<xxx> variables into a single int.
3527         Rename cmodel to rs6000_current_cmodel.
3528         (rs6000_sched_groups): Ditto.
3529         (rs6000_align_branch_targets): Ditto.
3530         (rs6000_sched_costly_dep): Ditto.
3531         (rs6000_sched_insert_nops): Ditto.
3532         (rs6000_long_double_type_size): Ditto.
3533         (rs6000_ieeequad): Ditto.
3534         (rs6000_altivec_abi): Ditto.
3535         (rs6000_spe): Ditto.
3536         (rs6000_spe_abi): Ditto.
3537         (rs6000_float_gprs): Ditto.
3538         (rs6000_darwin64_abi): Ditto.
3539         (can_override_loop_align): Ditto.
3540         (rs6000_sdata): Ditto.
3541         (rs6000_tls_size): Ditto.
3542         (rs6000_current_abi): Ditto.
3543         (rs6000_traceback): Ditto.
3544         (rs6000_alignment_flags): Ditto.
3545         (rs6000_current_cmodel): Ditto.
3546         (rs6000_recip_control): Ditto.
3547         (rs6000_cpu_index): Ditto.
3548         (rs6000_tune_index): Ditto.
3549         (rs6000_debug): Ditto.
3550         (rs6000_target_flags_explict): Ditto.
3551         (rs6000_sched_insert_nops_str): Make static.
3552         (rs6000_sched_costly_dep_str): Ditto.
3553         (rs6000_recip_name): Ditto.
3554         (rs6000_abi_name): Ditto.
3555         (rs6000_sdata_name): Ditto.
3556         (enum rs6000_traceback_name): Move to rs6000-opts.h.
3557         (rs6000_parse_tls_size_option): Delete.
3558         (rs6000_valid_attribute_p): New function for target attributes and
3559         pragmas.
3560         (rs6000_function_specific_save): Ditto.
3561         (rs6000_function_specific_restore): Ditto.
3562         (rs6000_function_specific_print): Ditto.
3563         (rs6000_can_inline_p): Ditto.
3564         (rs6000_set_current_function): Ditto.
3565         (rs6000_inner_target_options): Ditto.
3566         (rs6000_debug_target_options): Ditto.
3567         (rs6000_pragma_target_parse): Ditto.
3568         (TARGET_OPTION_VALID_ATTRIBUTE_P): Define target hooks for target
3569         attributes and pragmas.
3570         (TARGET_OPTION_SAVE): Ditto.
3571         (TARGET_OPTION_RESTORE): Ditto.
3572         (TARGET_OPTION_PRINT): Ditto.
3573         (TARGET_CAN_INLINE_P): Ditto.
3574         (TARGET_SET_CURRENT_FUNCTION): Ditto.
3575         (POWER_MASKS): Move to file level scope from the
3576         rs6000_option_override_internal function.
3577         (POWERPC_MASKS): Ditto.
3578         (ISA_*_MASKS): Ditto.
3579         (struct rs6000_ptt): Ditto.
3580         (processor_target_table): Ditto.
3581         (rs6000_cpu_name_lookup): Map cpu name to an index in
3582         processor_target_table.
3583         (rs6000_debug_reg_global): Print more information on processor
3584         options for -mdebug=reg.
3585         (rs6000_init_hard_regno_mode_ok): Add support for target
3586         attributes and pragmas.  Merge all -mdebug=<xxx> fields into one.
3587         Allow -mdebug=val1,val2.  Rename cmodel variable.
3588         (rs6000_option_override_internal): Ditto.
3589         (rs6000_option_override): Ditto.
3590         (rs6000_handle_option): Ditto.
3591         (rs6000_conditional_register_usage): Add debug trace message.
3592         (struct rs6000_opt_mask): New for target attribute/pragma support.
3593         (rs6000_opt_masks): Ditto.
3594         (struct rs6000_opt_var): Ditto.
3595         (rs6000_opt_vars): Ditto.
3596         (rs6000_previous_function): Ditto.
3597
3598         * config/rs6000/rs6000.h (top level): Include rs6000-opts.h if it
3599         wasn't already included.
3600         (enum rs6000_cmodel): Move to rs6000-opts.h or rs6000.opt.
3601         (enum processor_type): Ditto.
3602         (rs6000_cpu): Ditto.
3603         (enum fpu_type_t): Ditto.
3604         (fpu_type): Ditto.
3605         (enum rs6000_dependence_cost): Ditto.
3606         (enum rs6000_nop_insertion): Ditto.
3607         (enum group_termination): Ditto.
3608         (rs6000_long_double_type_size): Ditto.
3609         (rs6000_ieeequad): Ditto.
3610         (rs6000_altivec_abi): Ditto.
3611         (rs6000_spe_abi): Ditto.
3612         (rs6000_spe): Ditto.
3613         (rs6000_float_gprs): Ditto.
3614         (rs6000_alignment_flags): Ditto.
3615         (rs6000_sched_insert_nops): Ditto.
3616         (enum rs6000_vector): Ditto.
3617         (enum rs6000_abi): Ditto.
3618         (rs6000_current_opt): Ditto.
3619         (rs6000_debug_*): Delete.
3620         (MASK_DEBUG*): Combine -mdebug=xxxx into one int.
3621         (TARGET_DEBUG*): Ditto.
3622
3623         * config/rs6000/rs6000-opts.h: New header file to define the enums
3624         that are used in target variables that are now defined in rs6000.opt.
3625
3626         * config/rs6000/sysv4.h (enum rs6000_sdata_type): Move to
3627         rs6000-opts.h.
3628         (rs6000_sdata): Ditto.
3629         (rs6000_abi_name): Delete.
3630         (rs6000_sdata_name): Ditto.
3631         (rs6000_tls_size_string): Ditto.
3632
3633 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3634
3635         * common.opt (debug_struct_ordinary, debug_struct_generic): New
3636         Variable entries.
3637         * dwarf2out.c (matches_main_base, dump_struct_debug, DUMP_GSTRUCT,
3638         should_emit_struct_debug): Move from opts.c.
3639         * flag-types.h (enum debug_struct_file): Move from opts.c.
3640         * flags.h (should_emit_struct_debug): Remove.
3641         (base_of_path): Declare.
3642         (set_struct_debug_option): Add gcc_options parameter.
3643         * optc-gen.awk, opth-gen.awk: Handle array variables.
3644         * opts.c (enum debug_struct_file, debug_struct_ordinary,
3645         debug_struct_generic): Remove.
3646         (set_struct_debug_option): Add gcc_options parameter.
3647         (base_of_path): Remove static.
3648         (main_input_basename, main_input_baselength, matches_main_base,
3649         dump_struct_debug, DUMP_GSTRUCT, should_emit_struct_debug):
3650         Remove.
3651         * toplev.c (main_input_basename, main_input_baselength): Define
3652         here.
3653         * toplev.h (main_input_basename, main_input_baselength): Declare
3654         here.
3655
3656 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3657
3658         * common.opt (flag_instrument_functions_exclude_functions,
3659         flag_instrument_functions_exclude_files): New Variable definitions.
3660         * flags.h (flag_instrument_functions_exclude_p): Don't declare.
3661         * gimplify.c (char_p): Declare type and vectors.
3662         (flag_instrument_functions_exclude_p): Moved from opts.c.  Make static.
3663         * opts.c (flag_instrument_functions_exclude_functions,
3664         flag_instrument_functions_exclude_files): Remove.
3665         (add_comma_separated_to_vector): Take void **.
3666         (flag_instrument_functions_exclude_p): Move to gimplify.c.
3667         (common_handle_option): Use options structure for
3668         -finstrument-functions-exclude- options.
3669
3670 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3671
3672         * doc/options.texi (Var): Document effects of Defer.
3673         (Defer): Document.
3674         * opt-functions.awk (var_type, var_set): Handle deferred options.
3675         * opts-common.c (set_option): Handle CLVC_DEFER.
3676         * common.opt (fcall-saved-, fcall-used-, fdump-, ffixed-,
3677         fplugin=, fplugin-arg-, fstack-limit, fstack-limit-register=,
3678         fstack-limit-symbol=): Mark as deferred.
3679         * opts.c: Don't include rtl.h, ggc.h, output.h, tree-pass.h or
3680         plugin.h.
3681         (print_filtered_help): Don't report state of CLVC_DEFER options.
3682         (common_handle_option): Move code for OPT_fcall_used_,
3683         OPT_fcall_saved_, OPT_fdump_, OPT_ffixed_, OPT_fplugin_,
3684         OPT_fplugin_arg_, OPT_fstack_limit, OPT_fstack_limit_register_ and
3685         OPT_fstack_limit_symbol_ to opts-global.c.
3686         (option_enabled, get_option_state): Handle CLVC_DEFER.
3687         * opts.h: Include vec.h.
3688         (enum cl_var_type): Add CLVC_DEFER.
3689         (cl_deferred_option): Define type and vectors.
3690         (handle_common_deferred_options): Declare.
3691         * opts-global.c: New.
3692         * toplev.c (toplev_main): Call handle_common_deferred_options
3693         * Makefile.in (OPTS_H): Include $(VEC_H).
3694         (OBJS-common): Include opts-global.o.
3695         (opts.o): Update dependencies.
3696         (opts-global.o): Add dependencies.
3697
3698 2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>
3699
3700         * c-parser.c (c_parser_objc_protocol_definition): Pass attributes
3701         to objc_declare_protocols.
3702
3703 2010-11-19  Richard Guenther  <rguenther@suse.de>
3704
3705         PR lto/45789
3706         * lto-streamer-out.c (lto_output_ts_common_tree_pointers): For
3707         IDENTIFIERs do not stream TREE_TYPE.
3708         * lto-streamer-in.c (lto_input_ts_common_tree_pointers): Likewise.
3709
3710 2010-11-19  Christian Borntraeger  <borntraeger@de.ibm.com>
3711
3712         * config/s390/s390.c (s390_function_arg_integer): Handle NULLPTR_TYPE.
3713
3714 2010-11-19  Jakub Jelinek  <jakub@redhat.com>
3715
3716         PR target/45870
3717         * dwarf2out.c (const_ok_for_output_1): Don't complain about
3718         non-delegitimized TLS UNSPECs.
3719
3720 2010-11-18  Jack Howarth  <howarth@bromo.med.uc.edu>
3721             Ian Lance Taylor  <iant@google.com>
3722
3723         * config/darwin-c.c (darwin_additional_format_types): Export.
3724
3725 2010-11-18  Paul Koning  <ni1d@arrl.net>
3726
3727         * config/pdp11/pdp11.h (FIRST_PARM_OFFSET): Fix case of no frame
3728         pointer.
3729
3730 2010-11-18  Paul Koning  <ni1d@arrl.net>
3731
3732         * config/pdp11/pdp11.md (abshi2): Delete TARGET_ABSHI_BUILTIN.
3733         * config/pdp11/pdp11.c (TARGET_DEFAULT_TARGET_FLAGS): Ditto.
3734         * config/pdp11/pdp11.opt (-mabshi): Delete.
3735
3736 2010-11-19  Mingjie Xing  <mingjie.xing@gmail.com>
3737
3738         * resource.h (struct resources): Fix typo in the comment.
3739
3740 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
3741
3742         PR target/46546
3743         * config/i386/i386.c (ix86_reorg): Call compute_bb_for_insn.
3744
3745 2010-11-18  Richard Henderson  <rth@redhat.com>
3746
3747         PR middle-end/46515
3748         * function.c (maybe_copy_prologue_epilogue_insn): Rename from
3749         maybe_copy_epilogue_insn; handle prologue insns as well.
3750         * rtl.h, cfglayout.c: Update for rename.
3751         * recog.c (peep2_attempt): Copy prologue/epilogue data for
3752         RTX_FRAME_RELATED_P insns.
3753
3754 2010-11-18  Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR middle-end/46534
3757         * builtins.c (fold_builtin_printf): Don't copy and modify string
3758         before build_string_literal, instead modify what
3759         build_string_literal returned.
3760
3761 2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>
3762
3763         PR c/33193
3764         * c-typeck.c (build_unary_op): Call build_real_imag_expr for
3765         REALPART_EXPR and IMAGPART_EXPR.
3766
3767 2010-11-18  Richard Guenther  <rguenther@suse.de>
3768
3769         PR tree-optimization/46172
3770         * tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
3771         function.
3772         (slpeel_tree_peel_loop_to_edge): Call it.
3773
3774 2010-11-18  Jeff Law  <law@redhat.com>
3775
3776         PR middle-end-optimization/46297
3777         * postreload.c (reload_combine_note_store): Deal with embedded
3778         side effects in MEM expressions.
3779
3780 2010-11-18  Richard Guenther  <rguenther@suse.de>
3781
3782         PR lto/45089
3783         * dwarf2out.c (add_AT_die_ref): Work around LTO losing types
3784         when checking is not enabled.
3785
3786 2010-11-18  Richard Guenther  <rguenther@suse.de>
3787
3788         PR lto/46525
3789         * gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of
3790         type leaders.
3791         (gimple_register_canonical_type): Also cache the canoncial type
3792         for non type leaders.
3793
3794 2010-11-18  Richard Guenther  <rguenther@suse.de>
3795
3796         * lto-wrapper.c (run_gcc): Fix -flto=N parsing.
3797
3798 2010-11-18  Alexander Monakov  <amonakov@ispras.ru>
3799
3800         PR middle-end/46518
3801         * sel-sched-ir.c (init_expr): Use the correct type for
3802         target_available.
3803         * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.
3804
3805 2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
3806
3807         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic
3808         as well as -mrelocatable at the same time.
3809
3810 2010-11-17  Quentin Neill  <quentin.neill.gnu@gmail.com>
3811
3812         PR target/46422
3813         * config/i386/bmiintrin.h (__lzcnt_u16, __lzcnt_u32, __lzcnt_u64):
3814         Call the clz builtin.
3815
3816 2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
3817             Steve Ellcey  <sje@cup.hp.com>
3818
3819         PR middle-end/31490
3820         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
3821         if section attribute used.
3822
3823 2010-11-17  Jan Hubicka  <jh@suse.cz>
3824
3825         * builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not
3826         expand errno setting variant when optimizing for size.
3827
3828 2010-11-17  Eric Botcazou  <ebotcazou@adacore.com>
3829
3830         * postreload.c (reload_combine): Call control_flow_insn_p only once.
3831         Reverse backward loop.  Fix formatting issues.
3832
3833 2010-11-17  Paolo Bonzini  <bonzini@gnu.org>
3834
3835         * c-parser.c (c_token_is_qualifier,
3836         c_parser_next_token_is_qualifier): New.
3837         (c_parser_declaration_or_fndef, c_parser_struct_declaration):
3838         Improve error message on specs->tagdef_seen_p.
3839         (c_parser_struct_or_union_specifier): Improve error recovery.
3840         (c_parser_declspecs): Move exit condition on C_ID_ID early.
3841         Reorganize exit condition for C_ID_TYPENAME/C_ID_CLASSNAME
3842         using c_parser_next_token_is_qualifier; extend it to cover
3843         a ctsk_tagdef typespec and !typespec_ok in general.
3844
3845 2010-11-17  Richard Guenther  <rguenther@suse.de>
3846
3847         * value-prof.c (gimple_divmod_fixed_value_transform): Update the stmt.
3848         (gimple_mod_pow2_value_transform): Likewise.
3849         (gimple_mod_subtract_transform): Likewise.
3850
3851 2010-11-17  Richard Guenther  <rguenther@suse.de>
3852
3853         PR lto/46504
3854         * gimple.c (gimple_register_canonical_type): Make sure to only
3855         make type leaders canonical types.
3856
3857 2010-11-17  Michael Matz  <matz@suse.de>
3858
3859         * timevar.def (TV_IPA_OPT, TV_EARLY_LOCAL, TV_OPTIMIZE,
3860         TV_POSTRELOAD, TV_REMOVE_UNUSED, TV_ADDRESS_TAKEN, TV_TODO,
3861         TV_VERIFY_LOOP_CLOSED, TV_VERIFY_RTL_SHARING,
3862         TV_REBUILD_FREQUENCIES, TV_REPAIR_LOOPS): New.
3863         * tree-into-ssa.c (rewrite_into_ssa): Don't push/pop timevar here ...
3864         (pass_build_ssa): ... but here.
3865         * cgraphbuild.c (pass_rebuild_cgraph): Use timevar.
3866         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Use timevar.
3867         * tree-emutls.c (pass_ipa_lower_emutls): Ditto.
3868         * df-core.c (pass_df_initialize_opt, pass_df_initialize_no_opt): Ditto.
3869         * predict.c (rebuild_frequencies): Ditto.
3870         * tree-vectorizer.c (pass_ipa_increase_alignment): Ditto.
3871         * emit-rtl.c (verify_rtl_sharing): Ditto.
3872         * tree-cfgcleanup.c (repair_loop_structures): Ditto.
3873         * tree-ssa-live.c (remove_unused_locals): Ditto.
3874         * cfglayout.c (pass_into_cfg_layout, pass_outof_cfg_layout): Ditto.
3875         * tree-ssa.c (pass_early_warn_uninitialized,
3876         execute_update_addresses_taken, pass_update_address_taken): Ditto.
3877         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
3878         pass_cleanup_cfg_post_optimizing, tree_rest_of_compilation): Ditto.
3879         * passes.c (pass_postreload, execute_todo): Ditto.
3880         * tree-ssanames.c (pass_release_ssa_names): Ditto.
3881
3882 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
3883
3884         * doc/invoke.texi (-dy): Remove.
3885         * langhooks-def.h (lhd_do_nothing_i): Don't declare.
3886         (LANG_HOOKS_PARSE_FILE): Define to lhd_do_nothing.
3887         * langhooks.c (lhd_do_nothing_i): Remove.
3888         * langhooks.h (lang_hooks.parse_file): Take no arguments.
3889         * toplev.c (set_yydebug): Remove.
3890         (compile_file): Update call to lang_hooks.parse_file.
3891         (decode_d_option): Don't handle -dy.
3892
3893 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
3894
3895         PR rtl-optimization/46440
3896         * combine.c (update_cfg_for_uncondjump): When changing
3897         an indirect jump into unconditional jump, remove BARRIERs
3898         from bb's footer.
3899
3900 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
3901
3902         * opts.c (target_handle_option): Do not assert that loc ==
3903         UNKNOWN_LOCATION.
3904
3905 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
3906             Richard Guenther  <rguenther@suse.de>
3907
3908         PR middle-end/45838
3909         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
3910         call_may_clobber_ref_p_1): Return true for __sync_* and some
3911         OpenMP builtins that act as threading barriers.
3912
3913 2010-11-17  Richard Guenther  <rguenther@suse.de>
3914
3915         PR tree-optimization/46498
3916         * tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.
3917
3918 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3919
3920         * config/xtensa/xtensa.c (function_arg_boundary): Really rename to...
3921         (xtensa_function_arg_boundary): ...this.
3922         * config/picochip/pichochip.c (picochip_function_arg_boundary): Fix
3923         thinko in declaration.
3924         (picochip_function_arg, picochip_arg_partial_bytes): Pass proper
3925         number of parameters to picochip_function_arg_boundary.
3926         (picochip_arg_advance): Likewise.
3927
3928 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3929
3930         PR target/46512
3931         * config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
3932         under check for type.
3933
3934 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3935
3936         * ifcvt.c (dead_or_predicable): Fix typo.
3937
3938 2010-11-16  Richard Henderson  <rth@redhat.com>
3939
3940         * config.gcc [s390*-*] (extra_options): Add fused-madd.opt.
3941         * config/s390/s390.opt (mfused-madd): Remove.
3942         * config/s390/s390.c (s390_rtx_costs): Handle FMA.
3943         (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
3944         * config/s390/s390.md (fma<DSF>4): Rename from *fmadd<DSF>; use FMA.
3945         (fms<DSF>4): Rename from *fmsub<DSF>; use FMA.
3946
3947 2010-11-16  Richard Henderson  <rth@redhat.com>
3948
3949         * config.gcc [powerpc*, rs6000*] (extra_options): Add fused-madd.opt.
3950         * config/rs6000/rs6000.opt (mfused-madd): Remove.
3951         * config/rs6000/altivec.md (altivec_vmaddfp): Remove.
3952         (*altivec_vmaddfp_1): Remove.
3953         (*altivec_fmav4sf4): Rename from altivec_vmaddfp_2; use FMA.
3954         (altivec_mulv4sf3): Expand to FMA directly.
3955         (*altivec_vnmsubfp): Rename from altivec_vnmsubfp.
3956         (*altivec_vnmsubfp_1, *altivec_vnmsubfp_2): Remove.
3957         * config/rs6000/paired.md (paired_madds0): Use FMA.
3958         (paired_madds1): Likewise.
3959         (*paired_madd): Rename from paired_madd; use FMA.
3960         (*paired_msub, *paired_nmadd, *paired_nmsub): Similarly.
3961         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
3962         consider TARGET_FUSED_MADD wrt rs6000_recip_control.
3963         (bdesc_3arg): Update CODE_FOR_* for pattern renames.
3964         (rs6000_emit_madd): Use fma_optab.
3965         (rs6000_emit_msub): Use fms_optab.
3966         (rs6000_emit_nmsub): Expand the FMA pattern directly.
3967         * config/rs6000/rs6000.md (FMA_F): New mode iterator.
3968         (*fmasf4_fpr): Rename from fmasf4_fpr.
3969         (*nfmasf4_fpr): Rename from *fnmasf4_fpr.
3970         (*nfmssf4_fpr): Rename from *fnmssf4_fpr.
3971         (*fmaddsf4_powerpc, *fmaddsf4_power, *fmsubsf4_powerpc): Remove.
3972         (*fmsubsf4_power, *fnmaddsf4_powerpc_1, *fnmaddsf4_powerpc_2): Remove.
3973         (*fnmaddsf4_power_1, *fnmaddsf4_power_2, *fnmsubsf4_powerpc_1): Remove.
3974         (*fnmsubsf4_powerpc_2, *fnmsubsf4_power_1, *fnmsubsf4_power_2): Remove.
3975         (*fmadf4_fpr): Rename from fmadf4_fpr.
3976         (*nfmadf4_fpr): Rename from *fnmadf4_fpr.
3977         (*nfmsdf4_fpr): Rename from *fnmsdf4_fpr.
3978         (*fmadddf4_fpr, *fmsubdf4_fpr, *fnmadddf4_fpr_1): Remove.
3979         (*fnmadddf4_fpr_2, *fnmsubdf4_fpr_1, *fnmsubdf4_fpr_2): Remove.
3980         (fmasf4, fmadf4): Macroize into...
3981         (fma<FMA_F>4): ... here.
3982         (fms<FMA_F>4, fnma<FMA_F>4, fnms<FMA_F>4): New.
3983         (nfma<FMA_F>4, nfms<FMA_F>4): New.
3984         * config/rs6000/vector.md (mul<VEC_F>3): Do not depend on
3985         TARGET_FUSED_MADD.
3986         * config/rs6000/vsx.md (vsx_fmadd<VSX_B>4): Remove.
3987         (*vsx_fmadd<mode>4_1): Remove.
3988         (vsx_fmsub<mode>4, *vsx_fmsub<mode>4_1): Remove.
3989         (vsx_fnmadd<mode>4_1, vsx_fnmadd<mode>4_2): Remove.
3990         (vsx_fnmsub<mode>4_1, vsx_fnmsub<mode>4_2): Remove.
3991         (*vsx_fma<mode>4): Rename from vsx_fmadd<mode>4_2.
3992         (*vsx_fms<mode>4): Rename from vsx_fmsub<mode>4_2.
3993         (*vsx_nfma<mode>4): Rename from vsx_fnmadd<mode>4.
3994         (*vsx_nfms<mode>4): Rename from vsx_fnmsub<mode>4.
3995
3996 2010-11-16  Richard Henderson  <rth@redhat.com>
3997
3998         * config/pa/pa.md (fmadf4): Rename from unnamed; use FMA.
3999         (fmasf4, fnmadf4, fnmasf4): Likewise.
4000         (unnamed plus+mult insns and splitters): Delete.
4001
4002 2010-11-16  Richard Henderson  <rth@redhat.com>
4003
4004         * config/spu/spu.md (fma<VSF>4): Rename from fma_<VSF>.
4005         (fnma<VSF>4): Rename from fnms_<VSF>.
4006         (fms<VSF>4): Rename from fms_<VSF>.
4007         (fma<VDF>4): Rename from fma_<VDF>.
4008         (fms<VDF>4): Rename from fms_<VDF>.
4009         (nfma<VDF>4): Rename from fnma_<VDF>.
4010         (nfms<VDF>4): Rename from fnms_<VDF>.
4011         (fnma<VDF>4, fnms<VDF>4): New expanders.
4012         (floatunsdisf2): Update for the renames.
4013         (*div<VSF>3_fast, *div<VSF>3_adjusted): Likewise.
4014         * config/spu/spu-builtins.def: Update CODE_FOR_* for the renames.
4015
4016 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4017
4018         PR rtl-optimization/46490
4019         * combine.c (expand_compound_operation): Fix thinko.
4020
4021 2010-11-16  Richard Henderson  <rth@redhat.com>
4022
4023         PR target/46470
4024         * recog.c (peep2_attempt): Convert frame-related info when possible.
4025         (peep2_fill_buffer): Allow frame-related insns into the buffer.
4026         (peephole2_optimize): Allow peep2_attempt to fail.
4027
4028 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4029
4030         PR rtl-optimization/46315
4031         * rtl.h (remove_reg_equal_equiv_notes_for_regno): Declare.
4032         * rtlanal.c (remove_reg_equal_equiv_notes_for_regno): New function
4033         extracted from...
4034         * dce.c (delete_corresponding_reg_eq_notes): ...here.  Rename into...
4035         (remove_reg_equal_equiv_notes_for_defs): ...this.
4036         (delete_unmarked_insns): Adjust to above renaming.
4037         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL and REG_EQUIV notes
4038         referring to registers set in the insns being moved, if any.
4039
4040         * df-core.c (df_ref_dump): New function extracted from...
4041         (df_refs_chain_dump): ...here.  Call it.
4042         (df_regs_chain_dump): Likewise.
4043         * df-problems.c (df_chain_dump): Print 'e' for uses in notes.
4044         * df-scan.c (df_scan_start_dump): Likewise.  Fix long line.
4045
4046 2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>
4047
4048         PR rtl-optimization/46395
4049         * postreload.c (reload_combine): Invalidate register use
4050         information on all control flow insns.
4051
4052         * config/m68k/m68k.c (m68k_delegitimize_address): Also expect
4053         LABEL_REF in UNSPEC operand.
4054
4055 2010-11-16  Jan Hubicka  <jh@suse.cz>
4056
4057         * cgraph.h (+varpool_can_remove_if_no_refs): Move here from ...;
4058         when !flag_toplevel_reorder do not remove unless variable is
4059         COMDAT or ARTIFICIAL.
4060         * ipa.c (varpool_can_remove_if_no_refs): ... here.
4061         (cgraph_remove_unreachable_nodes): Only analyzed nodes needs to stay.
4062         * cgraphunit.c (cgraph_analyze_functions): Dump varpool, too.
4063         * varpool.c (decide_is_variable_needed): Do not handle visibility
4064         issues.
4065         (varpool_finalize_decl): Likewise.
4066         (varpool_remove_unreferenced_decls): Use varpool_mark_needed_node;
4067         update outdated comment on DECL_RTL_SET_P check.
4068
4069 2010-11-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4070
4071         * config/sol2.h (NM_FLAGS): Define.
4072         * doc/tm.texi.in (Macros for Initialization, NM_FLAGS): Document.
4073         * doc/tm.texi: Update.
4074
4075 2010-11-16  Nick Clifton  <nickc@redhat.com>
4076
4077         * config/v850/v850.md (maddsf4): Rename to fmasf4 and use fma rtx_code.
4078         (msubsf4): Rename to fmssf4, and use fma.
4079         (nmaddsf4): Rename to fnmasf4 and use fma.
4080         (nmsubsf4): Rename to fnmssf4 and use fma.
4081
4082 2010-11-16  Joern Rennecke  <amylaar@spamcop.net>
4083
4084         PR target/44762
4085         * config/score/score3.c (score3_return_in_memory): Constify arguments.
4086         (score3_in_small_data_p, score3_function_value): Likewise.
4087         (score3_trampoline_init): Use LCT_NORMAL.
4088         (score3_print_operand): Initialize code as UNKNOWN.
4089         * config/score/predicates.md (score_load_multiple_operation):
4090         Remove unused variable.
4091         (score_store_multiple_operation): Likewise.
4092         * config/score/score7.c (score7_return_in_memory): Constify arguments.
4093         (score7_in_small_data_p, score7_function_value): Likewise.
4094         (score7_trampoline_init): Use LCT_NORMAL.
4095         (score7_print_operand): Initialize code as UNKNOWN.
4096         * config/score/score3.h (score3_return_in_memory): Update prototype.
4097         (score3_in_small_data_p, score3_function_value): Likewise.
4098         * config/score/score-protos.h (score_function_value): Likewise.
4099         * config/score/score7.h (score7_return_in_memory): Update prototype.
4100         (score7_in_small_data_p, score7_function_value): Likewise.
4101         * config/score/score.c (TARGET_PROMOTE_PROTOTYPES): Constify.
4102         (score_return_in_memory, score_pass_by_reference): Constify arguments.
4103         (score_output_mi_thunk, score_function_prologue): Don't return a value.
4104         (score_function_epilogue, score_in_small_data_p): Likewise.
4105         (score_option_override, score_asm_trampoline_template): Likewise.
4106         (score_trampoline_init, score_print_operand): Likewise.
4107         (score_print_operand_address, score_prologue): Likewise.
4108         (score_epilogue, score_call, score_call_value): Likewise.
4109         (score_movsicc, score_movdi, score_zero_extract_andi): Likewise.
4110         (score_function_arg_advance): Likewise. Make static.
4111         (score_asm_file_end): Mark parameter value with ATTRIBUTE_UNUSED.
4112         (score_function_arg, score_legitimate_address_p): Make static.
4113         (score_function_value): Mark parameter func with ATTRIBUTE_UNUSED.
4114         * config/score/score.h (REGNO_REG_CLASS): Cast value to enum reg_class.
4115         * config/score/score-conv.h (UIMM_IN_RANGE, SIMM_IN_RANGE):
4116         Allow (W) == HOST_BITS_PER_WIDE_INT.
4117
4118         PR java/46386
4119         * config/pdp11/t-pdp11 (java/constants.o-warn): Remove.
4120         * config/t-pnt16-warn (java/constants.o-warn): Likewise.
4121
4122 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
4123
4124         * config/arc/arc.c: Delete pasto.
4125         * config/pa/pa.c (pa_function_arg_boundary): Add missing comparison.
4126
4127 2010-11-16  Anatoly Sokolov  <aesok@post.ru>
4128
4129         * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS,
4130         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
4131         * config/mn10300/mn10300.c (TARGET_PREFERRED_RELOAD_CLASS,
4132         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
4133         (mn10300_preferred_reload_class,
4134         mn10300_preferred_output_reload_class): New functions.
4135
4136 2010-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4137
4138         * gensupport.c (MNEMONIC_ATTR_NAME, MNEMONIC_HTAB_SIZE): New macros.
4139         (htab_eq_string, add_mnemonic_string, gen_mnemonic_setattr)
4140         (mnemonic_htab_callback, gen_mnemonic_attr): New functions.
4141         (init_rtx_reader_args_cb): Invoke gen_mnemonic_attr.
4142
4143 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
4144
4145         * builtins.c (std_gimplify_va_arg_expr): Use
4146         targetm.calls.function_arg_boundary.
4147         * function.c (assign_parms, locate_and_pad_parm): Likewise.
4148         * calls.c (struct arg_data): Update comment.
4149         * defaults.h (FUNCTION_ARG_BOUNDARY): Delete.
4150         * target.def (function_arg_boundary): Define.
4151         * targhooks.h (default_function_arg_boundary): Declare.
4152         * targhooks.c (default_function_arg_boundary): Define.
4153         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use
4154         TARGET_FUNCTION_ARG_BOUNDARY.
4155         (FUNCTION_ARG_BOUNDARY): Delete.
4156         (TARGET_FUNCTION_ARG_BOUNDARY): New.
4157         * doc/tm.texi: Regenerate.
4158         * system.h (FUNCTION_ARG_BOUNDARY): Poison.
4159         * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete.
4160         * config/arc/arc.c (arc_function_arg_boundary): Define.
4161         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4162         * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete.
4163         * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete.
4164         * config/arm/arm.c (arm_needs_doubleword_align): Make static.
4165         (arm_function_arg_boundary): Define.
4166         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4167         * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete.
4168         * config/frv/frv-protos.h (frv_function_arg_boundary): Delete.
4169         * config/frv/frv.c (frv_function_arg_boundary): Make static.
4170         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4171         * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete.
4172         * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete.
4173         * config/i386/i386.c (ix86_function_arg_boundary): Make static.
4174         (ix86_compat_function_arg_boundary): Take and return unsigned int.
4175         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4176         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete.
4177         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete.
4178         * config/ia64/ia64.c (ia64_function_arg_boundary): Make static.
4179         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4180         * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete.
4181         * config/m32c/m32c.c (m32c_function_arg_boundary): Define.
4182         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4183         * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete.
4184         * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete.
4185         * config/mcore/mcore.c (mcore_function_arg_boundary): Define.
4186         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4187         * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete.
4188         * config/mips/mips-protos.h (mips_function_arg_boundary): Delete.
4189         * config/mips/mips.c (mips_function_arg_boundary): Make static.
4190         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4191         * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete.
4192         * config/pa/pa.c (pa_function_arg_boundary): Define.
4193         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4194         * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete.
4195         * config/picochip/picochip-protos.h
4196         (picochip_get_function_arg_boundary): Delete.
4197         * config/picochip/picochip.c (picochip_get_function_arg_boundary):
4198         Rename to...
4199         (picochip_function_arg_boundary): ...this.  Make static.
4200         (picochip_function_arg, picochip_arg_partial_bytes): Adjust.
4201         (picochip_arg_advance): Adjust.
4202         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4203         * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete.
4204         * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete.
4205         * config/rs6000/rs6000.c (function_arg_boundary): Rename to...
4206         (rs6000_function_arg_boundary): ...this.  Make static.
4207         (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust.
4208         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4209         * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete.
4210         * config/rx/rx.c (rx_function_arg_boundary): Define.
4211         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4212         * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete.
4213         * config/sparc/sparc.c (sparc_function_arg_boundary): Define.
4214         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4215         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete.
4216         * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete.
4217         * config/xtensa/xtensa.c (function_arg_boundary): Rename to...
4218         (xtensa_function_arg_boundary): ...this.  Make static.
4219         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
4220
4221 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
4222
4223         * expr.c (alignment_for_piecewise_move): New function.
4224         (widest_int_mode_for_size): New function.
4225         (move_by_pieces, move_by_pieces_ninsns): Call them.
4226         (can_store_by_pieces, store_by_pieces_1): Likewise.
4227
4228 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
4229
4230         * gcc.c (char_p): Define.  Define a VEC of it.
4231         (n_linker_options, n_assembler_options, n_preprocessor_options):
4232         Delete.
4233         (linker_options, assembler_options, preprocessor_options): Convert
4234         to a VEC.
4235         (add_preprocessor_option): Adjust.
4236         (add_assembler_option): Adjust.
4237         (add_linker_option): Adjust.
4238         (do_specs_vec): New function.
4239         (do_spec_1): Call it.  Adjust for new types.
4240
4241 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
4242
4243         * Makefile.in (bitmap.o, ebitmap.o, et-forest.o): Update dependencies.
4244         (sreal.o, statistics.o, stringpool.o): Likewise.
4245
4246 2010-11-16  Richard Guenther  <rguenther@suse.de>
4247
4248         PR tree-optimization/44545
4249         * tree-ssa-reassoc.c (linearize_expr_tree): Possibly throwing
4250         statements are not reassociatable.
4251         (reassociate_bb): Likewise.
4252
4253 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
4254
4255         * bitmap.c: Delete unnecessary includes.
4256         * ebitmap.c: Likewise.
4257         * et-forest.c: Likewise.
4258         * sreal.c: Likewise.
4259         * statistics.c: Likewise.
4260         * stringpool.c: Likewise.
4261         * double-int.c: Add comment for inclusion of tm.h.
4262
4263 2010-11-16  Richard Guenther  <rguenther@suse.de>
4264
4265         * tree-ssa-sccvn.c (visit_unary_op): Rename to ...
4266         (visit_nary_op): ... this.
4267         (visit_binary_op): Remove.
4268         (visit_use): Adjust and handle GIMPLE_TERNARY_RHS.
4269
4270 2010-11-16  Richard Guenther  <rguenther@suse.de>
4271
4272         PR middle-end/45172
4273         * tree-eh.c (cleanup_empty_eh_unsplit): Avoid creating duplicate edges.
4274
4275 2010-11-16  Nick Clifton  <nickc@redhat.com>
4276
4277         * config/rx/rx.c (rx_is_ms_bitfield_layout): Return false if the
4278         record is packed.
4279
4280 2010-11-15  Richard Henderson  <rth@redhat.com>
4281
4282         * fold-const.c (operand_equal_for_comparison_p): Handle FMA_EXPR,
4283         WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR, VEC_COND_EXPR and
4284         DOT_PROD_EXPR.
4285
4286 2010-11-15  Richard Henderson  <rth@redhat.com>
4287
4288         * config/mn10300/mn10300.md (fmasf4, fmssf4, fnmasf4, fnmssf4): Rename
4289         from fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4 respectively.  Use
4290         fma rtx_code.
4291
4292 2010-11-15  Richard Henderson  <rth@redhat.com>
4293
4294         * config/frv/frv.md (fmasf4, fmssf4): Rename from *muladdsf4
4295         and *mulsubsf4 respectively.  Use fma rtx_code.
4296
4297 2010-11-15  Joseph Myers  <joseph@codesourcery.com>
4298
4299         * gcc.c: Include "vec.h".
4300         (argbuf): Make into a VEC.
4301         (argbuf_length, argbuf_index): Remove.
4302         (alloc_args, clear_args, store_arg, execute, insert_wrapper,
4303         do_spec, do_self_spec, do_spec_1, eval_spec_function, main,
4304         compare_debug_dump_opt_spec_function: Use VEC interfaces on argbuf.
4305         * Makefile.in (GCC_OBJS): Add vec.o and ggc-none.o.
4306         (gcc.o): Depend on $(VEC_H).
4307
4308 2010-11-15  Richard Henderson  <rth@redhat.com>
4309
4310         * loop-unroll.c (analyze_insn_to_expand_var): Accept accumulation
4311         via FMA if unsafe math.
4312         (insert_var_expansion_initialization): Handle FMA.
4313         (combine_var_copies_in_loop_exit): Likewise.
4314
4315 2010-11-15  Richard Henderson  <rth@redhat.com>
4316
4317         * config.gcc [ia64-*] (extra_options): Add fused-madd.opt.
4318         * config/ia64/ia64.opt: Remove mfused-madd.
4319         * config/ia64/ia64.c (ia64_rtx_costs): Handle FP MULT, PLUS, FMA.
4320         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_FUSED_MADD.
4321         * config/ia64/vms64.h (TARGET_DEFAULT): Likewise.
4322         * config/ia64/ia64.h (TARGET_DEFAULT): Likewise.
4323         * config/ia64/hpux.h (TARGET_DEFAULT): Likewise.
4324         * config/ia64/vect.md (addv2sf3, subv2sf3): Generate FMA.
4325         (*addv2sf3_1, *addv2sf3_2, *subv2sf3_1, *subv2sf3_2): Remove.
4326         (fmav2sf4): Rename from fpma; use FMA code.
4327         (fmsv2sf4): Rename from fpms; use FMA code.
4328         (fnmav2sf4): Rename from *fpnma; use FMA code.
4329         * config/ia64/ia64.md (MODE_SDF): New iterator.
4330         (suffix): New mode attribute.
4331         (*maddsf4, *msubsf4, *nmaddsf4): Remove.
4332         (fmssf4): Rename from *fmssf4.
4333         (fnmasf4): Rename from *nfmasf4.
4334         (*madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc): Remove.
4335         (*nmadddf4, *nmadddf4_truncsf): Remove.
4336         (fmsdf4): Rename from *fmsdf4.
4337         (fnmadf4): Rename from *nfmadf4.
4338         (*fmadf_trunc_sf, *fmsdf_trunc_sf, *fnmadf_trunc_sf): New.
4339         (*maddxf4, *maddxf4_truncsf, *maddxf4_truncdf): Remove.
4340         (*msubxf4, *msubxf4_truncsf, *msubxf4_truncdf): Remove.
4341         (*nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf): Remove.
4342         (fmsxf4): Rename from *fmsxf4.
4343         (fnmaxf4): Rename from *nfmaxf4.
4344         (*fmaxf_trunc_<MODE_SDF>, *fmsxf_trunc_<MODE_SDF>): New.
4345         (*fnmaxf_trunc_<MODE_SDF>): New.
4346
4347 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
4348
4349         PR tree-optimization/46461
4350         * tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
4351         a gimple val.
4352
4353 2010-11-15  Ian Lance Taylor  <iant@google.com>
4354
4355         * godump.c: New file.
4356         * common.opt (fdump-go-spec=): New option.
4357         * tree.h: Add comments for TYPE_SYMTAB_ADDRESS and friends.
4358         (TYPE_SYMTAB_IS_ADDRESS, TYPE_SYMTAB_IS_POINTER): Define.
4359         (TYPE_SYMTAB_IS_DIE): Define.
4360         (struct tree_type): Change GTY for symtab field to use
4361         TYPE_SYMTAB_IS_ADDRESS and friends and to use a debug_hooks field
4362         to pick the union field.
4363         * debug.h (struct gcc_debug_hooks): Add tree_type_symtab_field.
4364         (dump_go_spec_init): Declare.
4365         * toplev.c (process_options): Handle flag_dump_go_spec.
4366         * debug.c: Include "tree.h".
4367         (do_nothing_debug_hooks): Set tree_type_symtab_field.
4368         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
4369         * dbxout.c (dbx_debug_hooks): Likewise.
4370         (xcoff_debug_hooks): Likewise.
4371         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
4372         * sdbout.c (sdb_debug_hooks): Likewise.  Do not define if
4373         SDB_DEBUGGING_INFO is not defined.
4374         * doc/invoke.texi (Option Summary): Mention -fdump-go-spec.
4375         (Overall Options): Document -fdump-go-spec.
4376         * Makefile.in (OBJS-common): Add godump.o.
4377         (debug.o): Add dependency on $(TREE_H).
4378         (godump.o): New target.
4379         (GTFILES): Add $(srcdir)/godump.c.
4380
4381 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
4382
4383         PR debug/46095
4384         * config/i386/i386.c (pro_epilogue_adjust_stack): Instead of
4385         marking r11 set RTX_FRAME_RELATED_P if offset is too large for
4386         style < 0, add REG_FRAME_RELATED_EXPR.
4387
4388         PR debug/46387
4389         * rtl.h (vt_equate_reg_base_value): New prototype.
4390         * alias.c (vt_equate_reg_base_value): New function.
4391         * var-tracking.c (vt_init_cfa_base): Use it.
4392
4393 2010-11-15  Jan Hubicka  <jh@suse.cz>
4394             Diego Novillo  <dnovillo@google.com>
4395
4396         PR lto/41528
4397         * doc/lto.texi: Add.
4398         * doc/gccint.texi: Add reference to lto.texi.
4399         * doc/invoke.texi: Update user documentation for LTO.
4400         Move internal flags to lto.texi
4401
4402 2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>
4403
4404         * c-typeck.c (build_unary_op): Use
4405         objc_build_incr_expr_for_property_ref to build the pre/post
4406         increment/decrement of an Objective-C property ref, and skip the
4407         lvalue_or_else check in that case.
4408
4409 2010-11-15  Martin Jambor  <mjambor@suse.cz>
4410
4411         PR tree-optimization/46349
4412         * tree-sra.c (contains_bitfld_comp_ref_p): New function.
4413         (contains_vce_or_bfcref_p): Likewise.
4414         (sra_modify_assign): Use them.
4415
4416 2010-11-15  Richard Guenther  <rguenther@suse.de>
4417
4418         PR tree-optimization/46467
4419         * tree-ssa-structalias.c (do_structure_copy): Properly treat
4420         variables without subvars.
4421
4422 2010-11-15  Hariharan Sandanagobalane  <hariharan@picochip.com>
4423
4424         * config/picochip/picochip.c (file header): Picochip name change.
4425         * config/picochip/picochip.md (file header): Likewise.
4426         * config/picochip/predicates.md (file header): Likewise.
4427         * config/picochip/dfa_space.md (file header): Likewise.
4428         * config/picochip/dfa_speed.md (file header): Likewise.
4429         * config/picochip/picochip.h(file header): Likewise.
4430         * config/picochip/constraints.md (file header): Likewise.
4431         * config/picochip/picochip-protos.h (file header): Likewise.
4432         * config/picochip/libgccExtras/setjmp.asm (file header): Likewise.
4433         * config/picochip/libgccExtras/divmodsi4.asm (file header): Likewise.
4434         * config/picochip/libgccExtras/ashlsi3.asm (file header): Likewise.
4435         * config/picochip/libgccExtras/longjmp.asm (file header): Likewise.
4436         * config/picochip/libgccExtras/ashlsi3.c (file header): Likewise.
4437         * config/picochip/libgccExtras/popcounthi2.asm (file header): Likewise.
4438         * config/picochip/libgccExtras/parityhi2.asm (file header): Likewise.
4439         * config/picochip/libgccExtras/udivmodhi4.asm (file header): Likewise.
4440         * config/picochip/libgccExtras/ashrsi3.asm (file header): Likewise.
4441         * config/picochip/libgccExtras/ashrsi3.c (file header): Likewise.
4442         * config/picochip/libgccExtras/ucmpsi2.asm (file header): Likewise.
4443         * config/picochip/libgccExtras/divmodhi4.asm (file header): Likewise.
4444         * config/picochip/libgccExtras/lshrsi3.asm (file header): Likewise.
4445         * config/picochip/libgccExtras/subdi3.asm (file header): Likewise.
4446
4447 2010-11-15  Richard Guenther  <rguenther@suse.de>
4448
4449         PR bootstrap/46474
4450         * tree-ssa-math-opts.c (convert_mult_to_fma): Disregard debug stmts.
4451
4452 2010-11-15  Nick Clifton  <nickc@redhat.com>
4453
4454         * config/stormy16/stormy16.c (direct_return): Do not generate a
4455         direct return for interrupt handlers.
4456
4457 2010-11-15  Joern Rennecke  <amylaar@spamcop.net>
4458
4459         * Makefile.in (tm.texi): Replace with rule for:
4460         ($(srcdir)/doc/tm.texi).
4461         (s-tm-texi): Depend on $(srcdir)/doc/../doc/tm.texi instead of on
4462         $(srcdir)/doc/tm.texi .
4463         (TEXI_GCCINT_FILES): Depend on $(srcdir)/doc/tm.texi instead of on
4464         tm.texi .
4465
4466         PR target/46427
4467         * config/m32r/m32r.c: Remove unused variables frame_size and insn.
4468
4469         PR bootstrap/45444
4470         * config/arm/arm.c (locate_neon_builtin_icode): Initialize key.
4471         (arm_output_asm_insn) Add ATTRIBUTE_PRINTF_4.
4472
4473         PR target/46432
4474         * config/v850/v850.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4475
4476 2010-11-15  Richard Guenther  <rguenther@suse.de>
4477
4478         PR lto/44150
4479         * lto-opts.c (lto_write_options): Write -fexceptions even if
4480         not set by the user.
4481
4482 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
4483
4484         PR c/46462
4485         * c-decl.c (declspecs_add_type): Make variables with error types
4486         integers.
4487         * c-parser.c (c_parser_next_tokens_start_declaration): Two IDs
4488         do not start a declaration before an Objective-C foreach.
4489         (c_parser_declaration_or_fndef): Improve recovery after unknown
4490         type name.
4491         (c_parser_for_statement): Hoist entrance of "foreach context"
4492         before ifs, add corresponding reset where it was missing.  Do
4493         not set objc_could_be_foreach_context for C.
4494
4495 2010-11-14  Eric Botcazou  <ebotcazou@adacore.com>
4496
4497         PR tree-optimization/45722
4498         * tree-sra.c (build_ref_for_model): Always build a COMPONENT_REF if
4499         this is a reference to a component.
4500         * ipa-prop.c (ipa_get_member_ptr_load_param): Accept COMPONENT_REF.
4501         (ipa_note_param_call): Adjust comment.
4502
4503 2010-11-14  Richard Sandiford  <rdsandiford@googlemail.com>
4504
4505         * config/mips/mips.c (machine_function): Remove
4506         initialized_mips16_gp_pseudo_p.
4507         (mips16_gp_pseudo_reg): Use cfun->machine->mips16_gp_pseudo_rtx to
4508         detect whether a pseudo has already been created.  Unconditionally
4509         create a new one if not.
4510         (mips_pic_base_register): Only call mips16_gp_pseudo_reg when
4511         expanding to rtl.  Create a new pseudo otherwise, if allowed.
4512
4513 2010-11-13  Richard Earnshaw  <rearnsha@arm.com>
4514
4515         PR target/43440
4516         * tm.texi.in (OVERLAPPING_REGISTER_NAMES): Document new macro.
4517         * tm.texi: Regenerated.
4518         * output.h (decode_reg_name_and_count): Declare.
4519         * varasm.c (decode_reg_name_and_count): New function.
4520         (decode_reg_name): Reimplement using decode_reg_name_and_count.
4521         * reginfo.c (fix_register): Use decode_reg_name_and_count and
4522         iterate over all regs used.
4523         * stmt.c (expand_asm_operands): Likewise.
4524         * arm/aout.h (OVERLAPPING_REGISTER_NAMES): Define.
4525         (ADDITIONAL_REGISTER_NAMES): Remove aliases that overlap
4526         multiple machine registers.
4527
4528 2010-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4529
4530         * stor-layout.c (place_union_field): Do not put location information
4531         on offset expressions.
4532         (place_field): Likewise.
4533         (finalize_record_size): Likewise on size expressions.
4534         (finalize_type_size): Likewise.
4535         (layout_type): Likewise.
4536
4537 2010-11-13  Alexandre Oliva  <aoliva@redhat.com>
4538
4539         PR debug/42889
4540         * df-scan.c (df_insn_rescan): Don't mark BBs upon debug insns.
4541         * df-core.c (df_set_bb_dirty_nonrl): Remove.
4542         * df.h (df_set_bb_dirty_nonlr): Likewise.
4543
4544 2010-11-13  Uros Bizjak  <ubizjak@gmail.com>
4545
4546         * config/mips/mips.md (call_internal): Pass curr_insn to
4547         mips_split_call.
4548         (call_internal_direct): Ditto.
4549         (call_value_internal): Ditto.
4550         (call_value_internal_direct): Ditto.
4551         (call_value_multiple_internal): Ditto.
4552         * config/mips/mips.c (mips_split_call): Do not copy
4553         CALL_INSN_FUNCTION_USAGE here.
4554
4555 2010-11-13  Mingming Sun  <mingm.sun@gmail.com>
4556
4557         * doc/invoke.texi (MIPS Options): Add loongson3a processor.
4558         * config/mips/mips.md (define_attr "cpu"): Add loongson_3a.
4559         (define_insn "prefetch"): Add TARGET_LOONGSON_3A.
4560         * config/mips/mips.h (TARGET_LOONGSON_3A): Define.
4561         (TUNE_LOONGSON_3A): Define.
4562         (TARGET_LOONGSON_VECTORS): Add TARGET_LOONGSON_3A.
4563         (MIPS_ISA_LEVEL_SPEC): Add loongson3a.
4564         * config/mips/mips.c (mips_cpu_info_table): Add loongson3a.
4565         (mips_issue_rate): Add PROCESSOR_LOONGSON_3A.
4566         (mips_rtx_cost_data): Add Loongson-3A.
4567
4568 2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>
4569
4570         * config/darwin.h (LINK_COMMAND_SPEC_A): Update for changes to lto
4571         switches.
4572
4573 2010-11-13  Iain Sandoe  <iains@gcc.gnu.org>
4574
4575         * dwarf2out.c (macinfo_entry): New struct.
4576         (output_comp_unit): Emit the section start label here and flag that we
4577         will emit an info section.
4578         (dwarf2out_start_source_file): Save data in a macinfo entry rather than
4579         emitting directly.
4580         (dwarf2out_end_source_file): Likewise.
4581         (dwarf2out_define): Likewise.
4582         (dwarf2out_undef): Likewise.
4583         (output_macinfo): New.
4584         (dwarf2out_init): Do not emit debug section switches here, allocate a
4585         vec for macinfo, when required.
4586         (dwarf2out_finish): First switch to debug_abbrev_section here.
4587         debug_line_section,  debug_macinfo_section, Likewise.
4588         Check that the pubtypes table has at least one unpruned entry before
4589         trying to emit it.
4590
4591 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
4592
4593         PR c/20385
4594         * c-parser.c (c_parser_next_token_starts_declaration): Rename to...
4595         (c_parser_next_tokens_start_declaration): ... this.  Handle 2nd
4596         token lookahead.
4597         (c_parser_compound_statement_nostart, c_parser_label,
4598         c_parser_for_statement, c_parser_omp_for_loop): Adjust calls.
4599         (c_parser_declaration_or_fndef): Detect the case now matched by
4600         c_parser_next_tokens_start_declaration, give error and correct it.
4601
4602 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
4603
4604         * c-tree.h (enum c_typespec_kind): Add ctsk_none.
4605         (struct c_declspecs): Replace tagdef_seen_p and type_seen_p
4606         with typespec_kind.
4607         * c-decl.c (build_null_declspecs): Initialize typespec_kind.
4608         (shadow_tag_warned, check_compound_literal_type): Adjust
4609         uses of tag_defined_p.
4610         (declspecs_add_type): Set typespec_kind.
4611         * c-parser.c (c_parser_declaration_or_fndef,
4612         c_parser_declspecs, c_parser_struct_declaration,
4613         c_parser_parameter_declaration, c_parser_type_name,
4614         c_parser_objc_diagnose_bad_element_prefix): Adjust uses
4615         of type_seen_p.
4616         * c-typeck.c (c_cast_expr): Use typespec_kind instead of
4617         tag_defined_p, pass ctsk_firstref through.
4618
4619 2010-11-13  Paolo Bonzini  <bonzini@gnu.org>
4620
4621         * c-format.c (enum format_specifier_kind, kind_descriptions): New.
4622         (struct format_wanted_type): Replace field "name" with "kind", add
4623         "format_start" and "format_length".
4624         (check_format_info_main): Fill in new fields.  Fill in
4625         FORMAT_WANTED_TYPES even for missing arguments.  Move checks
4626         after the final NUL outside the while loop.  Do not include
4627         width and precision modifiers in the format_start/format_length
4628         of the main format.
4629         (check_format_types): Remove FORMAT_START and FORMAT_LENGTH
4630         arguments.  Compute WANTED_TYPE first so that format_type_warning
4631         can be called for missing arguments.  Adjust calls to
4632         format_type_warning.
4633         (format_type_warning): Fetch as much information as possible
4634         from format_wanted_type.  Adjust printing now that every
4635         warning has a "descr", as well as for missing argument warnings
4636         and to include % sign for format specifiers.
4637
4638 2010-11-12  Alexander Monakov  <amonakov@ispras.ru>
4639
4640         PR rtl-optimization/46204
4641         * sel-sched-ir.c (maybe_tidy_empty_bb): Remove second argument.
4642         Update all callers.  Do not recompute topological order.  Adjust
4643         fallthrough edges following a degenerate conditional jump.
4644
4645 2010-11-12  Joseph Myers  <joseph@codesourcery.com>
4646
4647         * opts-common.c (control_warning_option): New.
4648         * opts.c (set_default_handlers): New.
4649         (decode_options): Use set_default_handlers and
4650         control_warning_option.
4651         (common_handle_option): Update call to enable_warning_as_error.
4652         (enable_warning_as_error): Take gcc_options parameters.  Use
4653         control_warning_option.
4654         * opts.h (set_default_handlers, control_warning_option): Declare.
4655
4656 2010-11-12  Joseph Myers  <joseph@codesourcery.com>
4657
4658         * Makefile.in (OPTS_H): Define.
4659         (c-decl.o, c-family/c-common.o, c-family/c-opts.o,
4660         c-family/c-pch.o, c-family/c-pragma.o, gcc.o, gccspec.o,
4661         cppspec.o, options.o, gcc-options.o, lto-opts.o, opts.o,
4662         opts-common.o, toplev.o, passes.o, matrix-reorg.o,
4663         ipa-struct-reorg.o, PLUGIN_HEADERS): Use $(OPTS_H).
4664         * gcc.c (driver_handle_option): Take location_t parameter.
4665         (process_command, do_self_spec): Update calls to
4666         read_cmdline_option.
4667         * langhooks-def.h (lhd_handle_option): Take location_t parameter.
4668         * langhooks.c (lhd_handle_option): Take location_t parameter.
4669         * langhooks.h (handle_option): Take location_t parameter.
4670         * lto-opts.c (lto_reissue_options): Update call to set_option.
4671         * opts-common.c (handle_option): Make static.  Take location_t
4672         parameter and pass it to other functions.
4673         (handle_generated_option): Take location_t parameter and pass it
4674         to other functions.
4675         (read_cmdline_option): Take location_t parameter and pass it to
4676         other functions.  Use warning_at and error_at.
4677         (set_option): Take location_t parameter and pass it to other
4678         functions.
4679         * opts.c (common_handle_option): Take location_t parameter and
4680         pass it to other functions.
4681         (enable_warning_as_error): Make static.  Take location_t parameter
4682         and pass it to other functions.
4683         (lang_handle_option): Take location_t parameter and pass it to
4684         other functions.
4685         (target_handle_option): Take location_t parameter.
4686         (read_cmdline_options, maybe_default_option,
4687         maybe_default_options, default_options_optimization,
4688         decode_options): Take location_t parameter and pass it to other
4689         functions.
4690         * opts.h: Include input.h.
4691         (struct cl_option_handler_func, decode_options, set_option,
4692         handle_generated_option, read_cmdline_option): Take location_t
4693         parameters.
4694         (handle_option, enable_warning_as_error): Remove.
4695         * toplev.c (toplev_main): Update call to decode_options.
4696
4697 2010-11-12  Tobias Grosser  <grosser@fim.uni-passau.de>
4698
4699         * graphite-cloog-util.c (oppose_constraint,
4700         cloog_matrix_to_ppl_constraint,
4701         new_Constraint_System_from_Cloog_Matrix): Explicitly cast to int as
4702         CLooG isl uses unsigned integers.  This triggered a warning.
4703
4704 2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
4705
4706         PR target/46438
4707         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use LCT_NORMAL.
4708         (xtensa_setup_frame_addresses, xtensa_trampoline_init): Likewise.
4709         (xtensa_function_arg_1): De-constify cum.
4710         (xtensa_expand_prologue): Use add_reg_note.
4711
4712         PR target/46435
4713         * config/cris/cris.c (saved_regs_mentioned): Delete.
4714         (cris_reload_address_legitimized): Cast itype to enum reload_type.
4715         Remove unused variable op0p.
4716         (cris_rtx_costs): Cast argument 2 to rtx_cost to enum rtx_code.
4717         (cris_emit_movem_store): Use add_reg_note.
4718
4719         PR bootstrap/46456
4720         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Split assert.
4721
4722 2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4723
4724         * function.c (expand_function_end): Set the locator of the prologue on
4725         the stack checking insns.
4726
4727 2010-11-12  Richard Henderson  <rth@redhat.com>
4728
4729         * config.gcc [xtensa] (extra_options): Add fused-madd.opt.
4730         * config/xtensa/xtensa.opt (mfused-madd): Remove.
4731         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4732         MASK_FUSED_MADD.
4733         * config/xtensa/xtensa.md (fmasf4): Rename from muladdsf3; use fma.
4734         (fnmasf4): Rename from mulsubsf3; use fma.
4735
4736 2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
4737             Richard Henderson  <rth@redhat.com>
4738
4739         PR target/46428
4740         * config/moxie/moxie.c (moxie_expand_prologue): Remove unused variables.
4741         * config/moxie/moxie.h (HARD_REGNO_OK_FOR_BASE_P): Use unsigned
4742         comparison.
4743
4744 2010-11-12  Pat Haugen  <pthaugen@us.ibm.com>
4745
4746         * opts-common.c (decode_cmdline_option): Initialize separate_args.
4747
4748 2010-11-12  Jan Hubicka  <jh@suse.cz>
4749
4750         * doc/invoke.texi (early-inlining-insns): Update default.
4751         * params.def (early-inlining-insns): Default to 10.
4752
4753 2010-11-12  Olivier Hainque  <hainque@adacore.com>
4754
4755         * config/rs6000/aix.h: #undef TARGET_AIX_OS before #define.
4756
4757 2010-11-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4758
4759         * config/mips/iris6.h [!IRIX_USING_GNU_LD]
4760         (SUPPORTS_INIT_PRIORITY): Define.
4761
4762 2010-11-12  Joern Rennecke  <amylaar@spamcop.net>
4763
4764         PR target/46430
4765         * config/avr/avr-protos.h (avr_return_addr_rtx): Update prototype.
4766         * config/avr/driver-avr.c (avr_device_to_arch): Always return value.
4767         (avr_device_to_data_start, avr_device_to_startfiles): Likewise.
4768         (avr_device_to_devicelib): Likewise.
4769         * config/avr/avr.md (zero_extendqihi2): Put variable declarations
4770         into block.
4771         (zero_extendqisi2, zero_extendhisi2, zero_extendqidi2): Likewise.
4772         (zero_extendhidi2, zero_extendsidi2): Likewise.
4773         * config/avr/avr.c (avr_num_arg_regs): Constify type.
4774         (avr_return_addr_rtx): De-constify tem.
4775         (avr_rotate_bytes): Move declarations to start of block.
4776         Don't use variable length array.  Put nested if/else into block.
4777
4778         PR rtl-optimization/46433
4779         * var-tracking.c: Include tm_p.h .
4780
4781         PR bootstrap/44756
4782         PR build/44767
4783         * doc/tm.texi.in (LOCAL_ALIGNMENT): State that the type, if any,
4784         should be unsigned.
4785         (STACK_SLOT_ALIGNMENT, LOCAL_DECL_ALIGNMENT, PUSH_ROUNDING): Likewise.
4786         * doc/tm.texi: Regenerate.
4787
4788         PR target/46412
4789         * config/bfin/bfin-protos.h (bfin_local_alignment): Update prototype.
4790         * config/bfin/bfin.c: Include sel-sched.h .
4791         (bfin_cpus): Use BFIN_CPU_UNKNOWN for last initializer element.
4792         (expand_interrupt_handler_prologue): Remove unused variable insn.
4793         (bfin_load_pic_reg): Likewise.
4794         (bfin_rtx_costs): Make code / outer_code variables of type
4795         enum rtx_code, copied from re-named parameters.
4796         (bfin_local_alignment): Change align argument and return type
4797         to unsigned.
4798         (bfin_adjust_cost): Remove unused variable insn_type.
4799         Declare variables at start of block.
4800         (struct loop_info): Rename to...
4801         (struct loop_info_d).
4802         (workaround_rts_anomaly): Change type of icode to int.
4803         (harmless_null_pointer_p): Cast REGNO (..) to int before comparison
4804         with int-typed variable.
4805         (note_np_check_stores): Likewise.
4806         (trapping_loads_p): Remove unused variable pat.
4807         (bfin_expand_binop_builtin): Use expand_normal.
4808         (bfin_expand_unop_builtin): Likewise.
4809         (bfin_expand_builtin): Likewise.  Set tmode before use.
4810
4811         PR middle-end/44769
4812         * final.c (split_double): Don't use BITS_PER_WORD directly in
4813         shift count.
4814
4815         PR target/46431
4816         * config/fr30/fr30.md (*movsf_constant_store): Remove duplicated
4817         assignment.
4818
4819         PR target/46450
4820         * config/stormy16/stormy16.c (xstormy16_expand_prologue):
4821         Use add_reg_note.
4822         (xstormy16_function_arg): Dereference cum.
4823         (xstormy16_expand_builtin): Use expand_normal.
4824         Change type of omode to enum machine_mode.
4825         (combine_bnp): Rename and to and_insn.
4826
4827         PR target/46437
4828         * config/mcore/mcore.c (layout_mcore_frame): Remove unused variable
4829         localreg.
4830
4831 2010-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4832
4833         PR debug/46375
4834         * emit-rtl.c (remove_insn): Do not mark BBs upon debug insns.
4835
4836 2010-11-11  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>
4837
4838         PR lto/46376
4839         * lto-symtab.c (lto_symtab_resolve_replaceable_p): Use DECL_ONE_ONLY.
4840
4841 2010-11-11  Nathan Froyd  <froydnj@codesourcery.com>
4842
4843         PR c/44782
4844         * common.opt (fmax-errors=): New option.
4845         * opts.c (common_handle_option) [OPT_fmax_errors_]: Handle it.
4846         * diagnostic.h (struct diagnostic_context): Add max_errors field.
4847         * diagnostic.c (diagnostic_initialize): Initialize it.
4848         (diagnostic_action_after_output): Exit if more than max_errors
4849         have been output.
4850         * doc/invoke.texi (Warning Options): Add -fmax-errors.
4851         (-fmax-errors): Document.
4852
4853 2010-11-11  Richard Henderson  <rth@redhat.com>
4854
4855         * optabs.c (init_optabs): Init {fma,fms,fnma,fnms}_optab properly.
4856
4857 2010-11-11  Richard Henderson  <rth@redhat.com>
4858
4859         * config/fused-madd.opt: New file.
4860         * config.gcc [i386-*, x86_64-*] (extra_options): Use it.
4861         * config/i386/i386.c (ix86_extra_costs): Handle FMA.
4862         (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
4863         * config/i386/i386.opt (mfused-madd): Remove.
4864         * config/i386/sse.md (split_fma): Remove.
4865         (split_fms, split_fnma, split_fnms): Remove.
4866
4867 2010-11-12  Jakub Jelinek  <jakub@redhat.com>
4868
4869         PR target/46088
4870         * config/i386/i386.md (*ashl<mode>3_cconly,
4871         *<shiftrt_insn><mode>3_cconly): Don't use ix86_binary_operator_ok,
4872         change nonimmediate_operand predicate to register_operand.
4873
4874 2010-11-11  Paolo Bonzini  <bonzini@gnu.org>
4875
4876         * Makefile.in (gengtype-lex.c): Include bconfig.h first.
4877
4878 2010-11-11  Jan Hubicka  <jh@suse.cz>
4879
4880         * opts.c (finish_options): Do not error on -flto-partition alone.
4881
4882         * doc/invoke.texi (-fwhopr): Merge into -flto section.
4883         (-flto-partition): Document none.
4884         * gcc.c (LINK_COMMAND_SPEC): Remove -fwhopr.
4885         * lto-wrapper.c: Update comment.
4886         (run_gcc): Update LTO option parsing.
4887         * opts.c (finish_options): add support -flto-partition=none
4888         (common_handle_option): Remove fwhopr.
4889         * common.opt: Turn fwhopr into flto.
4890         * collect2.c (main): Update option handling.
4891         * cgraphunit.c (cgraph_decide_is_function_needed): Remove flag_whopr.
4892         * ipa-split.c (execute_split_functions): Remove flag_whopr.
4893         * ipa.c (function_and_variable_visibility): Remove flag_whopr.
4894         * ipa-prop.c (ipa_compute_jump_functions): Remove flag_whopr.
4895         * varpool.c (decide_is_variable_needed): Remove flag_whopr.
4896
4897 2010-11-11  Jan Hubicka  <jh@suse.cz>
4898
4899         PR tree-optimize/40436
4900         * ipa-inline.c (likely_eliminated_by_inlining_p): Rename to ...
4901         (eliminated_by_inlining_prob): ... this one; return 50% probability
4902         for SRA.
4903         (estimate_function_body_sizes): Update use of
4904         eliminated_by_inlining_prob; estimate static function size
4905         for 2 instructions.
4906
4907 2010-11-11  Joern Rennecke  <amylaar@spamcop.net>
4908
4909         PR target/44749
4910         * config/mep/mep-protos.h (mep_legitimize_reload_address): Always
4911         declare.  Change type of argument four to type int.
4912         (mep_secondary_input_reload_class): Returns enum reg_class.
4913         (mep_secondary_output_reload_class): Likewise.
4914         (mep_function_value): Change types of arguments to cont_tree.
4915         * config/mep/mep.c (mep_legitimize_reload_address): Change type of
4916         argument four to type int.
4917         (mep_secondary_input_reload_class): Returns enum reg_class.
4918         (mep_secondary_output_reload_class): Likewise.
4919         (mep_function_value): Change types of arguments to cont_tree.
4920         * config/mep/mep.h (REGNO_REG_CLASS): Cast return value of
4921         mep_regno_reg_class to enum reg_class.
4922
4923 2010-11-11  Richard Henderson  <rth@redhat.com>
4924
4925         * tree-ssa-math-opts.c (convert_mult_to_fma): Do not verify
4926         that the target has the exact fma operation that we matched.
4927
4928 2010-11-11  Joseph Myers  <joseph@codesourcery.com>
4929
4930         * reginfo.c (fix_register): Avoid inserting English word in
4931         diagnostic sentence.  Use %qs for quoting and %'.
4932
4933 2010-11-11  H.J. Lu  <hongjiu.lu@intel.com>
4934
4935         * config/i386/driver-i386.c (host_detect_local_cpu): Support
4936         Intel processor family 6, model 0x2c.
4937
4938 2010-11-11  Joseph Myers  <joseph@codesourcery.com>
4939
4940         * opts.c (warning_as_error_callback,
4941         register_warning_as_error_callback): Remove.
4942         (enable_warning_as_error): Don't use warning_as_error_callback.
4943         * opts.h (register_warning_as_error_callback): Remove.
4944
4945 2010-11-11  Richard Henderson  <rth@redhat.com>
4946
4947         * tree-ssa-math-opts.c (convert_mult_to_fma): Handle a NEGATE_EXPR
4948         in between the MULT and the PLUS/MINUS.
4949
4950 2010-11-11  Jakub Jelinek  <jakub@redhat.com>
4951
4952         PR middle-end/46388
4953         * expr.c (expand_assignment): If to_rtx is a VOIDmode MEM, use
4954         BLKmode mode for it.
4955         (expand_expr_real_1): Similarly for op0.
4956
4957 2010-11-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4958
4959         * doc/sourcebuild.texi (LTO Testing, dg-suppress-ld-options):
4960         Document optional target selector.
4961
4962 2010-11-11  Dave Korn  <dave.korn.cygwin@gmail.com>
4963
4964         * lto-streamer-out.c (write_symbol): Use int_size_in_bytes rather than
4965         assembling high and low parts of size if not using 32-bit HWINT; else
4966         use DECL_SIZE_UNITS, not DECL_SIZE.
4967
4968 2010-11-11  Martin Jambor  <mjambor@suse.cz>
4969
4970         PR tree-optimization/46383
4971         * ipa-prop.c (compute_complex_assign_jump_func): Ignore negative
4972         offsets.
4973         (compute_complex_ancestor_jump_func): Likewise.
4974         * tree.c (get_binfo_at_offset): Return NULL_TREE if offset is negative.
4975
4976 2010-11-11  Jakub Jelinek  <jakub@redhat.com>
4977
4978         PR debug/46150
4979         * tree-ssa-loop-ivopts.c (htab_inv_expr_eq): Don't return
4980         true if expr1->hash != expr2->hash.
4981
4982 2010-11-10  Joseph Myers  <joseph@codesourcery.com>
4983
4984         * cfgloop.c (verify_loop_structure): Use %' in diagnostics.  Start
4985         diagnostics with lowercase letters.
4986         * cgraphunit.c (verify_cgraph_node): Start diagnostics with
4987         lowercase letters.
4988         * collect2.c (maybe_run_lto_and_relink): Remove trailing '.' from
4989         diagnostic.
4990         * config/alpha/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
4991         * config/arm/arm.c (arm_get_pcs_model): Start diagnostics with
4992         lowercase letters.
4993         * config/arm/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
4994         Remove trailing ' ' from diagnostic.
4995         * config/avr/avr.c (print_operand_address): Start diagnostic with
4996         a lowercase letter and remove trailing '.'.
4997         * config/avr/avr.opt (mpmem-wrap-around): Fix typo in help text.
4998         * config/bfin/bfin.c (bfin_option_override): Start diagnostics
4999         with lowercase letters.  Use %' in diagnostics.  Remove trailing
5000         '.' from diagnostics.
5001         (bfin_handle_longcall_attribute): Use %' in diagnostic.
5002         * config/cris/cris.c (cris_split_movdx,
5003         cris_expand_pic_call_address): Start diagnostics with lowercase
5004         letters.
5005         (cris_asm_output_label_ref): Use %' in diagnostic.
5006         * config/cris/cris.h (ASM_SPEC): Start diagnostic with a lowercase
5007         letter.
5008         * config/crx/crx.h (FUNCTION_PROFILER): Start diagnostic with a
5009         lowercase letter.
5010         * config/darwin-c.c (version_as_macro): Start diagnostic with a
5011         lowercase letter.
5012         * config/darwin-driver.c (darwin_default_min_version): Use %' in
5013         diagnostic.
5014         * config/host-darwin.c (darwin_gt_pch_use_address): Use %' in
5015         diagnostic.
5016         * config/i386/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
5017         * config/i386/host-cygwin.c (cygwin_gt_pch_get_address): Use %' in
5018         diagnostics.
5019         * config/i386/i386.c (ix86_option_override_internal): Write
5020         diagnostic as a single sentence without trailing '.'.  Use %' in
5021         diagnostics.
5022         (ix86_function_sseregparm, classify_argument): Start diagnostics
5023         with lowercase letters.
5024         (ix86_expand_prologue): Use %' in diagnostic.
5025         * config/i386/i386.h (CC1_CPU_SPEC_1): Remove trailing '.' from
5026         diagnostic.
5027         * config/i386/nwld.h (LINK_SPEC): Start diagnostic with a
5028         lowercase letter.
5029         * config/i386/winnt.c (i386_pe_determine_dllimport_p): Use %' in
5030         diagnostic.
5031         * config/ia64/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
5032         * config/ia64/ia64.opt (msched-max-memory-insns-hard-limit): Avoid
5033         '`' in help text.
5034         * config/lm32/lm32.c (lm32_print_operand): Start diagnostic with a
5035         lowercase letter.
5036         * config/mep/mep.c (mep_validate_vliw): Start diagnostics with
5037         lowercase letters.
5038         * config/microblaze/microblaze.c (microblaze_handle_option):
5039         Remove trailing '.' from diagnostic.
5040         (print_operand): Start diagnostic with a lowercase letter.
5041         * config/pa/pa-hpux10.h (LINK_SPEC): Start diagnostics with
5042         lowercase letters.  Avoid '`' in diagnostics.
5043         * config/pa/pa-hpux11.h (LINK_SPEC): Start diagnostics with
5044         lowercase letters.  Avoid '`' in diagnostics.
5045         * config/pa/pa64-hpux.h (LINK_SPEC): Start diagnostics with
5046         lowercase letters.  Avoid '`' in diagnostics.
5047         * config/picochip/picochip.c (picochip_option_override,
5048         picochip_emit_save_register, picochip_function_arg,
5049         picochip_output_label, picochip_output_internal_label,
5050         picochip_asm_output_opcode, picochip_output_cbranch,
5051         picochip_output_compare, picochip_output_branch,
5052         picochip_get_vliw_alu_id): Remove trailing '.' and '\n' from
5053         diagnostics. Start diagnostics with lowercase letters.  Use %' in
5054         diagnostics.
5055         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
5056         "SPE" capitalization.  Start diagnostic with a lowercase letter.
5057         (rs6000_handle_option): Start diagnostics with lowercase letters.
5058         (def_builtin): Remove trailing '.' from diagnostic.
5059         (rs6000_savres_routine_name): Start diagnostic with a lowercase
5060         letter.
5061         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Avoid '`' in
5062         diagnostic.
5063         * config/rx/rx.c (rx_handle_option): Start diagnostic with a
5064         lowercase letter.
5065         * config/s390/s390.c (s390_option_override) Start diagnostics with
5066         lowercase letters.  Use %' in diagnostic.
5067         * config/sh/sh.c (sh_output_mi_thunk): Start diagnostics with
5068         lowercase letters.
5069         * config/sh/symbian-base.c (sh_symbian_mark_dllimport): Use %' in
5070         diagnostic.
5071         * config/sh/symbian-c.c (sh_symbian_is_dllimported): Use %' in
5072         diagnostic.
5073         * config/sh/symbian-cxx.c (sh_symbian_is_dllimported): Use %' in
5074         diagnostic.
5075         * config/sparc/freebsd.h (LINK_SPEC): Avoid '`' in diagnostic.
5076         * config/spu/spu.c (spu_option_override): Start diagnostics with
5077         lowercase letters.  Use %qs for quoting in diagnostics.
5078         (spu_check_builtin_parm): Remove trailing '.' from diagnostics.
5079         Use %wd instead of HOST_WIDE_INT_PRINT_DEC in diagnostic .
5080         * config/v850/v850.c (construct_save_jarl): Remove trailing '\n'
5081         from diagnostic.
5082         * convert.c (convert_to_integer, convert_to_vector): Use %' in
5083         diagnostics.
5084         * dbgcnt.c (dbg_cnt_process_opt): Start diagnostic with lowercase
5085         letter and use "cannot" spelling.
5086         * expmed.c (extract_fixed_bit_field): Start diagnostic with
5087         lowercase letter and format as a single sentence without '.'.
5088         * ggc-common.c (write_pch_globals, gt_pch_save, gt_pch_restore):
5089         Use %' in diagnostics.
5090         * ggc-page.c (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read):
5091         Use %' in diagnostics.
5092         * ggc-zone.c (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read):
5093         Use %' in diagnostics.
5094         * graph.c (clean_graph_dump_file): Use %' in diagnostic.
5095         * graphite-poly.c (graphite_read_scop_file): Start diagnostics
5096         with lowercase letters and remove tailing '.' and '\n'.
5097         * lto-cgraph.c (input_profile_summary): Start diagnostic with
5098         lowercase letter and remove trailing '.'.
5099         (input_cgraph): Start diagnostics with lowercase letters and
5100         remove trailing '\n'.
5101         * opts.c (finish_options, common_handle_option): Start diagnostics
5102         with lowercase letters and remove trailing '.'.  Fix typo in
5103         diagnostic.
5104         * passes.c (position_pass): Start diagnostic with lowercase letter.
5105         * plugin.c (add_new_plugin, parse_plugin_arg_opt,
5106         register_callback, try_init_one_plugin): Start diagnostics with
5107         lowercase letters.
5108         * reload1.c (spill_failure): Use %' in diagnostic.
5109         (gen_reload): Start diagnostic with a lowercase letter.
5110         * stor-layout.c (place_field): Start diagnostic with a lowercase
5111         letter.
5112         * toplev.c (open_auxiliary_file): Use %' in diagnostic.
5113         * tree-cfg.c (verify_expr, verify_types_in_gimple_reference,
5114         verify_gimple_call, verify_gimple_phi, verify_eh_throw_stmt_node):
5115         Start diagnostics with lowercase letters, remove trailing '.' and
5116         use %' in diagnostics.
5117         * tree-ssa.c (verify_def): Remove trailing '.' from diagnostic.
5118         (verify_ssa): Don't split diagnostic across two error calls.
5119         Spell out "number" and use %' in diagnostic.
5120         * value-prof.c (visit_hist, check_counter): Start diagnostics with
5121         lowercase letters.
5122
5123 2010-11-10  Uros Bizjak  <ubizjak@gmail.com>
5124
5125         PR middle-end/46419
5126         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Swap __hisi and __losi.
5127         (_mm_cvtpu16_ps): Ditto.
5128
5129 2010-11-10  Joseph Myers  <joseph@codesourcery.com>
5130
5131         * common.opt (flag_excess_precision_cmdline, flag_generate_lto,
5132         warn_larger_than, larger_than_size, warn_frame_larger_than,
5133         frame_larger_than_size, flag_gen_aux_info, flag_shlib,
5134         default_visibility, flag_tls_default): New Variable declarations.
5135         (aux-info, auxbase, dumpbase, dumpdir, falign-functions=,
5136         falign-jumps=, falign-labels=, falign-loops=, o, v): Use Var.
5137         (v): Declare as Common and document here.
5138         * flags.h (default_visibility, flag_generate_lto,
5139         warn_larger_than, larger_than_size, warn_frame_larger_than,
5140         frame_larger_than_size, flag_gen_aux_info, flag_pedantic_errors,
5141         flag_shlib, flag_excess_precision_cmdline): Remove.
5142         (set_Wstrict_aliasing): Update prototype.
5143         * gcc.c (verbose_flag): Remove.
5144         (driver_handle_option): Add diagnostic_context parameter.  Don't
5145         handle OPT_v explicitly here.  Set verbose_flag to 1 rather than
5146         incrementing it.
5147         * opts-common.c (handle_option): Pass dc to handler.
5148         * opts.c (warn_larger_than, larger_than_size,
5149         warn_frame_larger_than, frame_larger_than_size,
5150         default_visibility): Remove.
5151         (common_handle_option): Add diagnostic_context parameter.
5152         (set_fast_math_flags, set_unsafe_math_optimizations_flags): Add
5153         gcc_options parameters.
5154         (lang_handle_option, target_handle_option, read_cmdline_options,
5155         decode_options): Add diagnostic_context parameters.
5156         (finish_options): Access option state through opts pointer where
5157         possible.
5158         (common_handle_option): Access option state through opts pointer
5159         where possible.  Do not set local static variable verbose.  Do not
5160         explicitly handle OPT_v, OPT_Wstrict_aliasing_,
5161         OPT_Wstrict_overflow_, OPT_Wunused, OPT_auxbase, OPT_dumpbase,
5162         OPT_dumpdir, OPT_falign_functions_, OPT_falign_jumps_,
5163         OPT_falign_labels_, OPT_falign_loops_, OPT_fira_verbose_, OPT_o or
5164         OPT_fwhopr_.  Do not explicitly set .opt file variables for
5165         OPT_aux_info or OPT_pedantic_errors.  Use dc for diagnostic context.
5166         (set_Wstrict_aliasing): Add gcc_options parameter.
5167         * opts.h (struct cl_option_handler_func): Add diagnostic_context
5168         parameter to handler.
5169         (decode_options): Add diagnostic_context parameter.
5170         * toplev.c (dump_base_name, dump_dir_name, aux_base_name,
5171         asm_file_name, flag_generate_lto, flag_gen_aux_info,
5172         aux_info_file_name, flag_shlib, flag_tls_default,
5173         flag_excess_precision_cmdline, flag_pedantic_errors): Remove.
5174         (toplev_main): Pass global_dc to decode_options.
5175         * toplev.h (dump_base_name, dump_dir_name, aux_base_name,
5176         aux_info_file_name, asm_file_name): Remove.
5177         * tree.h (flag_tls_default): Remove.
5178
5179 2010-11-10  Eric Botcazou  <ebotcazou@adacore.com>
5180
5181         PR target/45986
5182         * config/sparc/sparc.c (sparc_delegitimize_address): New function.
5183         (TARGET_DELEGITIMIZE_ADDRESS): Define to above.
5184
5185 2010-11-10  Quentin Neill  <quentin.neill.gnu@gmail.com>
5186
5187         * config.gcc (i[34567]86-*-*): Include tbmintrin.h.
5188         (x86_64-*-*): Likewise.
5189         * config/i386/cpuid.h: Define TBM bit.
5190         * config/i386/driver-i386.c (host_detect_local_cpu): Define
5191         and set has_tbm.
5192         * config/i386/i386-c.c (ix86_target_macros_internal): Check
5193         isa_flag for TBM.
5194         * config/i386/i386.c (OPTION_MASK_ISA_TBM_SET): New.
5195         (OPTION_MASK_ISA_TBM_UNSET): New.
5196         (ix86_handle_option): Handle -mtbm.
5197         (isa_opts): Add -mtbm.
5198         (enum pta_flags): Add PTA_TBM.
5199         (ix86_option_override_internal): Add TBM support.
5200         (ix86_valid_target_attribute_inner_p): Handle -mtbm.
5201         (IX86_BUILTIN_BEXTRI32): New for TBM intrinsic.
5202         (IX86_BUILTIN_BEXTRI64): Likewise.
5203         (bdesc_args): Add TBM intrinsics.
5204         (ix86_expand_builtin): Add TBM specific case.
5205         * config/i386/i386.h (TARGET_TBM): New for TBM.
5206         * config/i386/i386.md (UNSPEC_BEXTRI): New for TBM.
5207         (tbm_bextri_<mode>): Likewise.
5208         (*tbm_blcfill_<mode>): Likewise.
5209         (*tbm_blci_<mode>): Likewise.
5210         (*tbm_blcic_<mode>): Likewise.
5211         (*tbm_blcmsk_<mode>): Likewise.
5212         (*tbm_blcs_<mode>): Likewise.
5213         (*tbm_blsfill_<mode>): Likewise.
5214         (*tbm_blsic_<mode>): Likewise.
5215         (*tbm_t1mskc_<mode>): Likewise.
5216         (*tbm_tzmsk_<mode>): Likewise.
5217         * config/i386/i386.opt: Add -mtbm.
5218         * config/i386/tbmintrin.h (__bextri_u32): New.
5219         (__blcfill_u32): Likewise.
5220         (__blci_u32): Likewise.
5221         (__blcic_u32): Likewise.
5222         (__blcmsk_u32): Likewise.
5223         (__blcs_u32): Likewise.
5224         (__blsfill_u32): Likewise.
5225         (__blsic_u32): Likewise.
5226         (__t1mskc_u32): Likewise.
5227         (__tzmsk_u32): Likewise.
5228         (__bextri_u64): Likewise.
5229         (__blcfill_u64): Likewise.
5230         (__blci_u64): Likewise.
5231         (__blcic_u64): Likewise.
5232         (__blcmsk_u64): Likewise.
5233         (__blcs_u64): Likewise.
5234         (__blsfill_u64): Likewise.
5235         (__blsic_u64): Likewise.
5236         (__t1mskc_u64): Likewise.
5237         (__tzmsk_u64): Likewise.
5238         * config/i386/x86intrin.h: Add TBM check and tbmintrin.h.
5239         * doc/invoke.texi: Document -mtbm.
5240         * doc/extend.texi: Document TBM built-in functions.
5241
5242 2010-11-10  Quentin Neill  <quentin.neill.gnu@gmail.com>
5243
5244         * config.gcc (i[34567]86-*-*): Include bmiintrin.h.
5245         (x86_64-*-*): Likewise.
5246         * config/i386/cpuid.h: Define BMI bit.
5247         * config/i386/driver-i386.c (host_detect_local_cpu): Define
5248         and set has_bmi.
5249         * config/i386/i386-c.c (ix86_target_macros_internal): Check
5250         isa_flag for BMI.
5251         * config/i386/i386.c (OPTION_MASK_ISA_BMI_SET): New.
5252         (OPTION_MASK_ISA_BMI_UNSET): New.
5253         (ix86_handle_option): Handle -mbmi.
5254         (isa_opts): Add -mbmi.
5255         (enum pta_flags): Add PTA_BMI.
5256         (ix86_option_override_internal): Add BMI support.
5257         (ix86_valid_target_attribute_inner_p): Handle -mbmi.
5258         (IX86_BUILTIN_BEXTR32): New for BMI intrinsic.
5259         (IX86_BUILTIN_BEXTR64): Likewise.
5260         (IX86_BUILTIN_CTZS): Likewise.
5261         (bdesc_args): Add BMI intrinsics.
5262         (ix86_expand_args_builtin): Add BMI specific cases.
5263         * config/i386/i386.h (TARGET_BMI): New for BMI.
5264         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
5265         (CLZ_DEFINED_VALUE_AT_ZERO): Likewise.
5266         * config/i386/i386.md (UNSPEC_BEXTR): New for BMI.
5267         (UNSPEC_TZCNT): Likewise.
5268         (ctz<mode>2): Add tzcnt, and handle 16 bit operands.
5269         (bmi_andn_<mode>): New for BMI.
5270         (bmi_bextr_<mode>): Likewise.
5271         (bmi_blsi_<mode>): Likewise.
5272         (bmi_blsmsk_<mode>): Likewise.
5273         (bmi_blsr_<mode>): Likewise.
5274         * config/i386/i386.opt: Add -mbmi.
5275         * config/i386/x86intrin.h: Add BMI check and bmiintrin.h.
5276         * config/i386/bmiintrin.h (__lzcnt_u16): New.
5277         (__tzcnt_u16): Likewise.
5278         (__andn_u32): Likewise.
5279         (__bextr_u32): Likewise.
5280         (__blsi_u32): Likewise.
5281         (__blsmsk_u32): Likewise.
5282         (__blsr_u32): Likewise.
5283         (__lzcnt_u32): Likewise.
5284         (__tzcnt_u32): Likewise.
5285         (__andn_u64): Likewise.
5286         (__bextr_u64): Likewise.
5287         (__blsi_u64): Likewise.
5288         (__blsmsk_u64): Likewise.
5289         (__blsr_u64): Likewise.
5290         (__lzcnt_u64): Likewise.
5291         (__tzcnt_u64): Likewise.
5292         * doc/invoke.texi: Document -mbmi and -mno-bmi.
5293         * doc/extend.texi: Document BMI built-in functions.
5294
5295 2010-11-10  Jan Hubicka  <jh@suse.cz>
5296
5297         PR tree-optimize/46228
5298         * doc/invoke.texi (comdat-sharing-probability): Document.
5299         * ipa-inline.c (cgraph_estimate_growth): Handle COMDATs
5300         * params.def (PARAM_COMDAT_SHARING_PROBABILITY): New param.
5301
5302 2010-11-10  Jan Hubicka  <jh@suse.cz>
5303
5304         PR tree-optimize/46228
5305         * cgraph.c (cgraph_propagate_frequency): Fix typo.
5306
5307 2010-11-10  H.J. Lu  <hongjiu.lu@intel.com>
5308
5309         PR tree-optimization/46414
5310         * tree-inline.c (estimate_move_cost): Check preferred vector
5311         mode for vector type.
5312
5313 2010-11-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5314
5315         * config/alpha/osf5.h (ASM_SPEC): Remove -nocpp.
5316
5317 2010-11-10  Sebastian Pop  <sebastian.pop@amd.com>
5318
5319         PR tree-optimization/45971
5320         * tree-if-conv.c (predicate_scalar_phi): Do not generate a COND_EXPR
5321         for phi nodes analyzable by scev.
5322
5323 2010-11-10  Richard Guenther  <rguenther@suse.de>
5324
5325         PR tree-optimization/44964
5326         * ipa-inline.c (cgraph_flatten): Check that SSA form matches.
5327
5328 2010-11-10  Martin Jambor  <mjambor@suse.cz>
5329
5330         PR tree-optimization/46351
5331         PR tree-optimization/46377
5332         * tree-sra.c (type_internals_preclude_sra_p): Disqualify types with
5333         aggregate bit-fields.
5334
5335 2010-11-10  Joseph Myers  <joseph@codesourcery.com>
5336
5337         * doc/tm.texi.in (TARGET_OPTION_TRANSLATE_TABLE): Remove.
5338         * doc/tm.texi: Regenerate.
5339         * opts-common.c (tm.h): Don't include.
5340         (target_option_translations): Remove.
5341         (decode_cmdline_options_to_array): Don't handle translating options.
5342         * system.h (TARGET_OPTION_TRANSLATE_TABLE): Poison.
5343         * config/darwin-driver.c: Don't condition includes on
5344         CROSS_DIRECTORY_STRUCTURE.
5345         (darwin_default_min_version): Make static.
5346         (darwin_driver_init): New.  Call darwin_default_min_version if not
5347         CROSS_DIRECTORY_STRUCTURE.
5348         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
5349         (DRIVER_SELF_SPECS, DARWIN_CC1_SPEC): Define.
5350         (ASM_SPEC): Add %{static}.
5351         (darwin_default_min_version): Don't declare.
5352         (darwin_driver_init): Declare.
5353         (GCC_DRIVER_HOST_INITIALIZATION): Define to call
5354         darwin_driver_init, independent of CROSS_DIRECTORY_STRUCTURE.
5355         * config/darwin.opt (all_load, allowable_client,
5356         arch_errors_fatal, bind_at_load, bundle, bundle_loader,
5357         dead_strip, dependency-file, dylib_file, dynamic, dynamiclib,
5358         exported_symbols_list, filelist, findirect-virtual-calls,
5359         flat_namespace, force_cpusubtype_ALL, force_flat_namespace,
5360         framework, fterminated-vtables, gfull, gused, image_base, init,
5361         install_name, multi_module, multiply_defined,
5362         multiply_defined_unused, no_dead_strip_inits_and_terms,
5363         seg_addr_table, seg_addr_table_filename, segaddr,
5364         segs_read_only_addr, segs_read_write_addr, single_module,
5365         umbrella, unexported_symbols_list, weak_reference_mismatches,
5366         Zall_load, Zarch_errors_fatal, Zbind_at_load, Zbundle,
5367         Zdead_strip, Zdynamic, Zdynamiclib, Zflat_namespace,
5368         Zforce_cpusubtype_ALL, Zforce_flat_namespace, Zmulti_module,
5369         Zno_dead_strip_inits_and_terms, Zsingle_module): New.
5370         * config/i386/darwin.h (CC1_SPEC): Add DARWIN_CC1_SPEC.
5371         (ASM_SPEC): Add %{static}.
5372         (SUBTARGET_OPTION_TRANSLATE_TABLE): Remove.
5373         * config/mep/mep.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
5374         (DRIVER_SELF_SPECS): Handle options formerly in
5375         TARGET_OPTION_TRANSLATE_TABLE.
5376         * config/mep/mep.opt (mfar): New.
5377         * config/picochip/picochip.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
5378         (DRIVER_SELF_SPECS): Define.  Handle options formerly in
5379         TARGET_OPTION_TRANSLATE_TABLE.
5380         * config/rs6000/darwin.h (CC1_SPEC): Handle -faltivec and -fno-altivec.
5381         (SUBTARGET_OPTION_TRANSLATE_TABLE): Remove.
5382         * config/rs6000/darwin.opt (Waltivec-long-deprecated, faltivec,
5383         ffix-and-continue, findirect-data): New.
5384         * config/rx/rx.h (TARGET_OPTION_TRANSLATE_TABLE): Remove.
5385         * config/rx/rx.opt (nofpu): Make into alias of mnofpu.
5386         (mnofpu): Define mask and use Report here.
5387
5388 2010-11-10  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5389
5390         * config/s390/s390.c (s390_emit_prologue): Report the stack
5391         size if -fstack-usage is used.
5392
5393 2010-11-10  Richard Guenther  <rguenther@suse.de>
5394
5395         PR tree-optimization/46398
5396         * tree-ssa-sccvn.c (process_scc): Iterate for all PHIs.
5397
5398 2010-11-10  Joern Rennecke  <amylaar@spamcop.net>
5399
5400         PR target/44760
5401         * config/iq2000/iq2000.h (REGISTER_NAMES): Remove trailing semicolon.
5402         (REGNO_MODE_OK_FOR_BASE_P): Cast REGNO to int before passing it to
5403         GP_REG_OR_PSEUDO_STRICT_P.
5404         * config/iq2000/iq2000.md (andsi3+1): Add gcc_unreachable for
5405         unexpected alternative.
5406         (*movsf_internal): Likewise.
5407         (indirect_jump): Replace call to non-existant function with call to
5408         internal_error.
5409         (tablejump): Likewise.
5410         * config/iq2000/iq2000.c: Include df.h .
5411         (iq2000_function_arg_advance): Use CONST_CAST2.
5412         (compute_frame_size, iq2000_expand_prologue): Remove unused variables.
5413         (iq2000_can_eliminate): Call leaf_function_p instead of testing for
5414         a non-zero function address.
5415         (iq2000_initial_elimination_offset): Add gcc_unreachable for
5416         unexpected value of FROM.
5417         (symbolic_expression_p): Delete.
5418         (iq2000_function_value): Constify func.
5419         (expand_one_builtin): Use expand_normal.
5420         (iq2000_print_operand): Don't print VALUE if calculating it failed.
5421
5422         PR rtl-optimization/44764
5423         * addresses.h (ok_for_base_p_1): Mark regno with ATTRIBUTE_UNUSED.
5424
5425         PR target/46407
5426         * config/rx/rx.h (REGISTER_NAMES): Remove trailing semicolon.
5427         * config/rx/rx.c (rx_promote_function_mode): Mark punsignedp
5428         with ATTRIBUTE_UNUSED.
5429         (valid_psw_flag): Constify parameter which.
5430         (rx_memory_move_cost): Change type of parameter regclass to reg_class_t.
5431
5432         PR target/46415
5433         * config/mmix/mmix-protos.h (mmix_local_alignment): Update prototype.
5434         (mmix_dbx_register_number): Likewise.
5435         * config/mmix/mmix.c: Include df.h .
5436         (mmix_local_alignment): Change argument basic_align and return type
5437         to unsigned.
5438         (mmix_dbx_register_number): Change argument and return type to
5439         unsigned.
5440         (mmix_expand_prologue): Use add_reg_note.
5441
5442         PR target/46417
5443         * config/spu/spu.c (spu_expand_insv): Remove unused variables.
5444         (spu_split_store): Use aform.
5445         (spu_function_profiler): Mark parameter labelno with ATTRIBUTE_UNUSED.
5446
5447 2010-11-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
5448
5449         PR/46268
5450         * doc/gty.texi (GTY Options): Clarify that variable_size produces
5451         allocators taking size in bytes, compare with length option.  Add
5452         size calculation example.
5453         (Invoking the garbage collector): Ensure that sentences are
5454         followed by two spaces.  Describe that pointer fields must be
5455         initialized at ggc_collect call.
5456         (Troubleshooting): New section.
5457
5458 2010-11-09  Jan Hubicka  <jh@suse.cz>
5459
5460         PR tree-optimization/40436
5461         * ipa-inline.c (leaf_node_p): Implement using is_inexpensive_builtin.
5462         * tree-inline.c (estimate_num_insns): Inexpensive builtins are like
5463         normal instructions; be sure bultin is not implemented in this file;
5464         compute non-zero return cost.
5465         (init_inline_once): Reduce builtin_call_cost to 1; set return cost.
5466         * tree-inline.h (eni_weights_d): Add return cost.
5467
5468 2010-11-09  Joseph Myers  <joseph@codesourcery.com>
5469
5470         * c-parser.c (c_parser_struct_declaration): Handle declaration
5471         specifiers followed by CPP_CLOSE_BRACE.
5472
5473 2010-11-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
5474
5475         * config/rs6000/rs6000.md (floatsi<mode>2_lfiwax): Rewrite so
5476         split occurs before reload, and we allocate memory at the time of
5477         the split, not during expansion.  Add attributes.
5478         (floatsi<mode>2_lfiwax_mem): Ditto.
5479         (floatunssi<mode>2_lfiwzx): Ditto.
5480         (floatunssi<mode>2_lfiwzx_mem): Ditto.
5481         (floatsidf2): Ditto.
5482         (floatunssisf2): Ditto.
5483         (floatunssidf2): Ditto.
5484         (fix_trunc<mode>si2): Ditto.
5485         (fix_trunc<mode>si2_stfiwx): Ditto.
5486         (fix_trunc<mode>si2_internal): Ditto.
5487         (fix_trunc<mode>si2): Ditto.
5488         (fix_trunc<mode>di2): Ditto.
5489         (fixuns_trunc<mode>si2_stfiwx): Ditto.
5490         (floatsisf2): Ditto.
5491         (floatdidf2_mem): Ditto.
5492         (floatunsdidf2_mem): Ditto.
5493         (floatunsdidf2): Ditto.
5494         (floatdisf2_internal1): Ditto.
5495         (floatdisf2_mem): Ditto.
5496         (floatunsdisf2_mem): Ditto.
5497         (floatsi<mode>2_lfiwax_mem2): Delete.
5498         (floatunssi<mode>2_lfiwzx_mem2): Ditto.
5499         (fix_trunc<mode>si2_mem): Ditto.
5500         (fixuns_trunc<mode>si2_mem): Ditto.
5501         (round32<mode>2_fprs): New combiner insn to combine (double)(int)
5502         type operations to reduce copying the values to multiple memory slots.
5503         (roundu32<mode>2_fprs): Ditto.
5504
5505         * config/rs6000/rs6000.c (rs6000_address_for_fpconvert): Handle
5506         PRE_INC, PRE_DEC, PRE_MODIFY.
5507         (rs6000_expand_convert_si_to_sfdf): Delete, no longer used.
5508
5509         * config/rs6000/rs6000-protos.h (rs6000_expand_convert_si_to_sfdf):
5510         Delete prototype.
5511
5512 2010-11-09  Jakub Jelinek  <jakub@redhat.com>
5513
5514         PR target/43808
5515         * cfgexpand.c (partition_stack_vars): Call
5516         update_alias_info_with_stack_vars unconditionally.
5517         (update_alias_info_with_stack_vars): Allow unused
5518         unreferenced vars when not optimizing.
5519
5520 2010-11-09  Sebastian Pop  <sebastian.pop@amd.com>
5521
5522         PR tree-optimization/46036
5523         * tree-if-conv.c (predicate_bbs): Call unshare_expr before
5524         add_to_dst_predicate_list.
5525
5526 2010-11-09  Jakub Jelinek  <jakub@redhat.com>
5527
5528         PR debug/46171
5529         * df-problems.c (struct dead_debug_use, struct dead_debug): Move
5530         earlier.
5531         (df_set_unused_notes_for_mw, df_create_unused_note): Add DEBUG
5532         argument, call dead_debug_reset when adding REG_UNUSED note.
5533         (dead_debug_reset): New function.
5534         (df_note_bb_compute): Adjust df_set_unused_notes_for_mw and
5535         df_create_unused_note callers.
5536
5537 2010-11-09  Anatoly Sokolov  <aesok@post.ru>
5538
5539         * config/fr30/fr30.c: Include "df.h".
5540
5541 2010-11-09  Richard Guenther  <rguenther@suse.de>
5542
5543         PR tree-optimization/46355
5544         * tree-loop-distribution.c (tree_loop_distribution): Do not
5545         distribute loops without a single exit.
5546
5547 2010-11-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5548
5549         PR rtl-optimization/46237
5550         * ira-conflicts.c (ira_build_conflicts): Record conflicts for call
5551         saved hard regs if they might get partially clobbered.
5552
5553 2010-11-09  Paul Koning  <ni1d@arrl.net>
5554
5555         * config/pdp11/pdp11.md (lshrsi3, lshrhi3): Use add for decrement.
5556
5557 2010-11-09  Richard Guenther  <rguenther@suse.de>
5558
5559         PR tree-optimization/46177
5560         * tree-loop-distribution.c (prop_phis): Remove.
5561         (generate_builtin): Re-use the old loop exit edge to avoid
5562         needing to update PHI nodes.
5563
5564 2010-11-09  Joern Rennecke  <amylaar@spamcop.net>
5565
5566         * config/i386/i386.c (ix86_expand_split_stack_prologue): Change
5567         type of args_size to unsigned HOST_WIDE_INT.
5568
5569         PR target/44755
5570         * config.gcc (picochip-*): Add t-pnt16-warn to tmake_file.
5571         * config/t-pnt16-warn: New file.
5572         * config/picochip/picochip.c (picochip_emit_stack_allocate):
5573         Use add_reg_note.
5574         (picochip_emit_save_register): Likewise.
5575         (picochip_emit_restore_register): Remove variable insn.
5576         (picochip_legitimize_address): Don't use C++ style comments.
5577         (picochip_legitimize_reload_address): Likewise.
5578         (reorder_var_tracking_notes): Remove variable vliw_start.
5579         (picochip_reorg): Cast first arguemnt to emit_note_after to
5580         enum insn_note.
5581         (picochip_expand_builtin_2op): Use EXPAND_NORMAL.
5582         (picochip_expand_builtin_3op): Likewise.
5583         (picochip_expand_builtin_2opvoid): Likewise.
5584         (picochip_expand_array_get, picochip_expand_array_put): Likewise.
5585         (picochip_expand_array_testport): Likewise.
5586         (picochip_init_builtins): Remove unused variables.
5587         * config/picochip/picochip.h (ASM_FORMAT_PRIVATE_NAME): Cast LABELNO
5588         to unsigned long, and output it as such.
5589         (ASM_OUTPUT_SKIP): Use HOST_WIDE_INT_PRINT_UNSIGNED.
5590         * config/picochip/picochip.md (movhicc): Remove nonsense statement.
5591         (schedType): Cast result of picochip_schedule_type to
5592         enum attr_schedType.
5593
5594         PR target/44759
5595         * config/mn10300/mn10300.c (SIZE_FMOV_LIMIT): Promote all arms of
5596         conditional to type of S.
5597         (mn10300_function_arg): Remove unused variable align.
5598         (mn10300_arg_partial_bytes): Likewise.
5599         * config/mn10300/mn10300.md (attribute cpu): Cast value to
5600         enum attr_cpu.
5601
5602 2010-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5603
5604         PR bootstrap/46392
5605         * gengtype-parse.c (type): Call get_input_file_name to get file name.
5606
5607 2010-11-09  Eric Botcazou  <ebotcazou@adacore.com>
5608
5609         * tree.h (contains_placeholder_p): Fix comment.
5610         (type_contains_placeholder_p): Adjust comment.
5611         * tree.c (contains_placeholder_p): Fix comment.
5612         (type_contains_placeholder_1): Do not recurse on pointed-to types and
5613         adjust comment.
5614         (type_contains_placeholder_p): Add comment.
5615
5616 2010-11-09  Paul Koning  <ni1d@arrl.net>
5617
5618         * config/pdp11/pdp11.c (pdp11_assemble_integer): Clean up fix for
5619         output of byte values.
5620
5621 2010-11-09  Jakub Jelinek  <jakub@redhat.com>
5622
5623         PR middle-end/46360
5624         * tree-ssa-propagate.c (update_call_from_tree): Fix for use
5625         not in SSA mode.
5626
5627 2010-11-09  Richard Guenther  <rguenther@suse.de>
5628
5629         PR middle-end/46221
5630         * varasm.c (compute_visible_aliases): New function.
5631         (remove_unreachable_alias_pairs): Aliases make a target available
5632         even though we reclaimed the cgraph node.
5633         (finish_aliases_1): Likewise.
5634         * Makefile.in (varasm.o): Add pointer-set.h dependency.
5635
5636 2010-11-09  Nick Clifton  <nickc@redhat.com>
5637
5638         * config/mn10300/mn10300-modes.def: New file.
5639
5640 2010-11-09  Basile Starynkevitch  <basile@starynkevitch.net>
5641             Jeremie Salvucci  <jeremie.salvucci@free.fr>
5642
5643         * gengtype.c (get_output_file_name): Declaration moved to gengtype.h.
5644         (plugin_files, get_file_basename, get_file_realbasename)
5645         (get_file_langdir, error_at_line, gt_files, this_file)
5646         (system_h_file, read_input_list, create_field_all)
5647         (get_file_srcdir_relative_path, get_file_basename)
5648         (get_file_langdir, get_file_gtfilename)
5649         (get_output_file_with_visibility, get_output_file_name)
5650         (struct flist, put_mangled_filename, walk_type)
5651         (put_mangled_filename, finish_root_table, write_roots): Use
5652         input_file-s.
5653         (lang_dir_names, num_lang_dirs): Remove static.
5654         (get_lang_bitmap, set_lang_bitmap): Moved to gengtype.h.
5655         (main): Use input_file-s.
5656
5657         * gengtype.h: (struct input_file_st, input_file): New type.
5658         (struct fileloc): Use it.
5659         (gt_files, num_gt_files, this_file, system_h_file)
5660         (input_file_by_name, get_file_srcdir_relative_path): Use input_file.
5661         (get_input_file_name): New function.
5662         (get_lang_bitmap, set_lang_bitmap): Moved from gengtype.c and
5663         use input_file.
5664         (lang_dir_names, num_lang_dirs, get_output_file_with_visibility)
5665         (get_output_file_name): Ditto.
5666
5667         * gengtype-lex.l (yybegin): Use input_file.
5668
5669         * gengtype-parse.c (parse_error): Use input_file.
5670
5671 2010-11-08  Xinliang David Li  <davidxl@google.com>
5672
5673         PR tree-optimization/46316
5674         * tree-vrp.c (adjust_range_with_scev): Check double_int overflow.
5675         * double-int.h (double_int_mul_with_sign): New function.
5676         * double-int.c (double_int_mul_with_sign): New function.
5677
5678 2010-11-08  Paul Koning  <ni1d@arrl.net>
5679
5680         * config/pdp11/pdp11.md (lshrsi3, lshrhi3): Fix wrong code.
5681
5682 2010-11-08  Paul Koning  <ni1d@arrl.net>
5683
5684         * config/pdp11/pdp11.md (negsi2): Fix wrong code.
5685
5686 2010-11-08  Paul Koning  <ni1d@arrl.net>
5687
5688         * config/pdp11/pdp11.c (pdp11_assemble_integer): Mask byte values
5689         to 8 bits.
5690
5691 2010-11-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
5692
5693         PR target/46378
5694         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
5695         turn on ISA 2.04 rounding instructions for power5.
5696
5697         * config/rs6000/rs6000.md (friz): Friz is an ISA 2.04 instruciton,
5698         not ISA 2.02.
5699
5700         PR target/45585
5701         * config/rs6000/darwin.md (movdi_low): Allow DImode values to be
5702         in FPR registers.
5703         (movdi_low_st): Ditto.
5704
5705 2010-11-08  Joern Rennecke  <amylaar@spamcop.net>
5706             Richard Henderson  <rth@redhat.com>
5707
5708         PR target/44758
5709         * config/frv/frv.md (attribute cpu): Cast value to enum attr_cpu.
5710         (attribute acc_group): Cast value to enum attr_acc_group.
5711         (*movdi_nodouble+6): Use gen_int_mode.
5712         * config/frv/frv-protos.h (frv_trampoline_size): Declare no matter
5713         if RTX_CODE is defined or not.
5714         * config/frv/frv.c (enum frv_io_type): New enum, broken out of
5715         struct frv_io.
5716         (frv_handle_option): Mark parameter value with ATTRIBUTE_UNUSED.
5717         (frv_frame_access, frv_expand_prologue): Remove unused variables.
5718         (frv_expand_block_clear): Likewise.
5719         (frv_trampoline_init): Use LCT_NORMAL.
5720         (struct frv_packet_group): New struct, broken out of type of
5721         frv_packet.
5722         (frv_start_packet, frv_reorder_packet): Initialize group to GROUP_I,
5723         use cast in loop counter increment.
5724         (frv_extract_membar): Cast HOST_WIDE_INT to enum frv_io_type before
5725         assigning to io->type.
5726         (bdesc_set): Use rtx_code UNKNOWN in initializer.
5727         (bdesc_1arg, bdesc_2arg, bdesc_int_void2arg): Likewise.
5728         (bdesc_prefetches, bdesc_cut, bdesc_2argimm, bdesc_void2arg): Likewise.
5729         (bdesc_void3arg, bdesc_voidacc, bdesc_loads, bdesc_stores): Likewise.
5730         (frv_read_argument): Use expand_normal.
5731
5732         PR target/44757
5733         * config/lm32/lm32.h (LEGITIMATE_CONSTANT_P): Call
5734         lm32_legitimate_constant_p.
5735         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
5736         * config/lm32/lm32.c (gen_int_relational): Make new block for
5737         LE / LT / LEU / LTU case.  Declare variables at start of block.
5738         (lm32_block_move_inline): Use XALLOCAVEC.
5739
5740 2010-11-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5741
5742         * config/i386/i386.c (ix86_function_arg_boundary): Fix warning message.
5743
5744 2010-11-08  Basile Starynkevitch  <basile@starynkevitch.net>
5745
5746         * gengtype (get_output_file_for_structure): Ensure type is union
5747         or struct.
5748         (write_splay_tree_allocator_def): Use
5749         get_output_file_with_visibility.
5750
5751 2010-11-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5752
5753         * config/s390/s390.c (s390_handle_arch_option): Set type and flags
5754         to defined values in case of an error.
5755         (s390_option_override): Skip further processing if the -march
5756         parameter wasn't recognized.
5757
5758 2010-11-08  Joern Rennecke  <amylaar@spamcop.net>
5759
5760         * caller-save.c (reg_save_code): After HARD_REGNO_MODE_OK check fails,
5761         assert that REG is a hard register number before using it as an index.
5762
5763         PR bootstrap/46358
5764         * config/i386/i386.c (ix86_expand_split_stack_prologue):
5765         Avoid warnings when HOST_WIDE_INT is 32 bit.
5766
5767 2010-11-08  Eric Botcazou  <ebotcazou@adacore.com>
5768
5769         PR target/46208
5770         * config/sparc/sparc.c (TARGET_PROMOTE_PROTOTYPES): Delete.
5771         (sparc_promote_prototypes): Likewise.
5772         (sparc_promote_function_mode): Promote in 32-bit mode as well.
5773         (sparc_return_in_memory): Remove superfluous parentheses.
5774         (sparc_struct_value_rtx): Fix long lines.
5775         (sparc_function_value_1): Promote in 32-bit mode as well.
5776
5777 2010-11-08  Andrey Belevantsev  <abel@ispras.ru>
5778
5779         PR rtl-optimization/45352
5780         * sel-sched.c (find_best_expr): Do not set pneed_stall when
5781         the variable_issue hook is not implemented.
5782         (fill_insns): Remove dead variable stall_iterations.
5783         (init_seqno_1): Force EBB start for resetting sched cycles on any
5784         successor blocks of the rescheduled region.
5785         (sel_sched_region_1): Use bitmap_bit_p instead of bitmap_clear_bit.
5786         (reset_sched_cycles_in_current_ebb): Add debug printing.
5787         New variable issued_insns.  Advance state when we have issued
5788         issue_rate insns.
5789
5790 2010-11-08  Basile Starynkevitch  <basile@starynkevitch.net>
5791
5792         * gengtype (main): Get here's position using POS_HERE macro for
5793         do*typedef calls.
5794
5795 2010-11-07  Ian Lance Taylor  <iant@google.com>
5796
5797         PR target/46089
5798         * config/i386/i386.c (split_stack_fn_large): New static variable.
5799         (ix86_expand_split_stack_prologue): Handle large model.
5800
5801 2010-11-07  Andreas Schwab  <schwab@linux-m68k.org>
5802
5803         * config/m68k/m68k.c (m68k_delegitimize_address): Update to handle
5804         all possible addressing modes.
5805
5806 2010-11-07  Uros Bizjak  <ubizjak@gmail.com>
5807
5808         PR tree-optimization/46346
5809         * tree-ssa-forwprop.c (rhs_to_tree): Handle GIMPLE_TERNARY_RHS.
5810
5811 2010-11-07  Richard Sandiford  <rdsandiford@googlemail.com>
5812
5813         * config/mips/mips.c: Revert previous patch.
5814         * config/mips/mips.md: Likewise.
5815
5816 2010-11-07  Richard Sandiford  <rdsandiford@googlemail.com>
5817
5818         * config/mips/mips.c (mips_rtx_costs): Handle FMA.
5819         * config/mips/mips.md (*madd4<mode>, *madd3<mode>, *msub4<mode>)
5820         (*msub3<mode>, *nmadd4<mode>_fastmath, *nmadd3<mode>_fastmath)
5821         (*nmsub4<mode>_fastmath, *nmsub3<mode>_fastmath): Delete.
5822         (*nmadd4<mode>, *nmadd3<mode>. *nmsub4<mode>, *nmsub3<mode>): Redefine
5823         to use FMA.
5824         (fma<mode>4, *fma<mode>4_madd3, *fma<mode>4_madd4): New patterns.
5825         (fms<mode>4, *fms<mode>4_msub3, *fms<mode>4_msub4): Likewise.
5826         (fnms<mode>4, *fnms<mode>4_nmadd3, *fnms<mode>4_nmadd4): Likewise.
5827         (fnma<mode>4, *fnma<mode>4_nmsub3, *fnma<mode>4_nmsub4): Likewise.
5828
5829 2010-11-06  Simon Martin  <simartin@users.sourceforge.net>
5830
5831         PR c/43384
5832         * c-decl.c (lookup_label): Labels can only be referenced in a
5833         function's scope.
5834         (store_parm_decls_oldstyle): Skip erroneous parameters.
5835
5836 2010-11-06  Anatoly Sokolov  <aesok@post.ru>
5837
5838         * config/fr30/fr30.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
5839         LIBCALL_VALUE): Remove macros.
5840         * config/fr30/fr30.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
5841         TARGET_FUNCTION_VALUE_REGNO_P): Define.
5842         (fr30_function_value_regno_p, fr30_function_value,
5843         fr30_libcall_value): New functions.
5844
5845 2010-11-06  Joern Rennecke  <amylaar@spamcop.net>
5846
5847         PR middle-end/46314
5848         * target.def (generate_internal_label): New asm_out hook.
5849         * output.h (default_generate_internal_label): Declare.
5850         * varasm.c (default_generate_internal_label): Define.
5851
5852 2010-11-06  Iain Sandoe  <iains@gcc.gnu.org>
5853
5854         PR target/44981
5855         * doc/extend.tex (format): Document NSString extension.
5856         (format_arg): Likewise.
5857         (Darwin Format Checks): New section.
5858         * doc/tm.texi: Document string object hooks (generated).
5859         * doc/tm.texi.in (TARGET_OBJC_CONSTRUCT_STRING_OBJECT) Rename.
5860         (TARGET_STRING_OBJECT_REF_TYPE_P): New.
5861         (TARGET_CHECK_STRING_OBJECT_FORMAT_ARG): New.
5862         * target.def (objc_construct_string_object): Rename, amend
5863         documentation.
5864         (string_object_ref_type_p): New hook.
5865         (check_string_object_format_arg): New hook.
5866         * c-parser.c (c_parser_attributes): Allow objective-c class names as
5867         attribute identifiers.
5868         * config/darwin-c.c (darwin_cfstring_ref_p): New.
5869         (darwin_check_cfstring_format_arg): New.
5870         (darwin_additional_format_types): New.
5871         * config/darwin-protos.h (darwin_cfstring_ref_p) New.
5872         (darwin_check_cfstring_format_arg): New.
5873         * config/darwin.h (TARGET_OBJC_CONSTRUCT_STRING_OBJECT) Renamed.
5874         (TARGET_STRING_OBJECT_REF_TYPE_P): New.
5875         (TARGET_N_FORMAT_TYPES): New.
5876         (TARGET_CHECK_STRING_OBJECT_FORMAT_ARG): New.
5877
5878 2010-11-06  Eric Botcazou  <ebotcazou@adacore.com>
5879             Pascal Obry  <obry@adacore.com>
5880
5881         * config/i386/cygming.h (DWARF_FRAME_REGISTERS): Redefine.  Use 33
5882         in 64-bit mode and 17 otherwise.
5883
5884 2010-11-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5885
5886         PR debug/45939
5887         * var-tracking.c (emit_note_insn_var_location): Make sure that
5888         call related var location notes come before the normal ones.
5889
5890 2010-11-05  H.J. Lu  <hongjiu.lu@intel.com>
5891
5892         PR target/46326
5893         * config/i386/i386.c (ix86_delegitimize_address): Fix a typo
5894         in the last change.
5895
5896 2010-11-05  Ian Lance Taylor  <iant@google.com>
5897
5898         * explow.c (allocate_dynamic_stack_space): Check MALLOC_ABI_ALIGNMENT.
5899
5900 2010-11-05  Jakub Jelinek  <jakub@redhat.com>
5901
5902         PR c/44772
5903         * c-decl.c (warn_cxx_compat_finish_struct): Don't call
5904         pointer_set_contains if DECL_NAME is NULL.
5905
5906 2010-11-05  Ian Lance Taylor  <iant@google.com>
5907
5908         PR target/46084
5909         * explow.c (allocate_dynamic_stack_space): If flag_split_stack,
5910         request enough additional space for alignment, and force alignment.
5911
5912 2010-11-05  Kai Tietz  <kai.tietz@onevision.com>
5913
5914         * config/i386/i386.c (legitimate_pic_address_disp_p):
5915         Handle UNSPEC_PCREL.
5916         (ix86_legitimate_address_p): Likewise.
5917         (legitimize_pic_address): Likewise.
5918         (output_pic_addr_const): Likewise.
5919         (ix86_delegitimize_address): Likewise.
5920         (ix86_find_base_term): Likewise.
5921         (memory_address_length): Likewise.
5922         (x86_output_mi_thunk): Handle special case x64
5923         for non local binding.
5924         * config/i386/i386.md (UNSPEC_PCREL): New.
5925         * config/i386/winnt.c (i386_pe_binds_local_p):
5926         Allow weak symbol for x64 windows with non-local binding.
5927
5928 2010-11-05  Jakub Jelinek  <jakub@redhat.com>
5929
5930         PR target/45670
5931         * expr.c (expand_expr_real_1) <case MEM_REF>: Use EXPAND_SUM
5932         instead of EXPAND_NORMAL for base expansion.
5933
5934 2010-11-05  Uros Bizjak  <ubizjak@gmail.com>
5935
5936         * config.gcc: Support --with-fpmath=avx for x86.
5937         * config/i386/avxmath.h: New.
5938         * doc/install.texi (--with-fpmath=): Document --with-fpmath=avx.
5939
5940 2010-11-05  Ian Lance Taylor  <iant@google.com>
5941
5942         * tree.h (struct tree_type): Don't use descbits in GTY annotation.
5943         * gengtype.c (walk_type): Don't recognize descbits option.
5944
5945 2010-11-05  Joseph Myers  <joseph@codesourcery.com>
5946
5947         * defaults.h (DEFAULT_WORD_SWITCH_TAKES_ARG,
5948         WORD_SWITCH_TAKES_ARG): Remove.
5949         * doc/options.texi (Args): Document.
5950         * doc/tm.texi.in (WORD_SWITCH_TAKES_ARG): Remove.
5951         * doc/tm.texi: Regenerate.
5952         * opt-functions.awk (switch_flags): Handle Args.
5953         * opts-common.c: Update comment on tm.h include.
5954         (decode_cmdline_option): Handle options with multiple arguments.
5955         Don't check WORD_SWITCH_TAKES_ARG for unknown options.
5956         * opts.h (CL_SEPARATE_NARGS_SHIFT, CL_SEPARATE_NARGS_MASK): Define.
5957         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
5958         CL_COMMON): Update values.
5959         * system.h (WORD_SWITCH_TAKES_ARG): Poison.
5960         * config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove.
5961         * config/darwin.opt (Zsegaddr, sectalign, sectcreate,
5962         sectobjectsymbols, sectorder, segcreate, segprot): New.
5963
5964 2010-11-05  H.J. Lu  <hongjiu.lu@intel.com>
5965             Uros Bizjak  <ubizjak@gmail.com>
5966
5967         * config/i386/i386.c (ix86_expand_move): Set use_avx256_p if
5968         256bit AVX register is used.
5969         (ix86_expand_vector_move_misalign): Likewise.
5970         (ix86_expand_vector_move): Replace use_avx256_p with
5971         VALID_AVX256_REG_MODE.
5972
5973 2010-11-05  Joern Rennecke  <amylaar@spamcop.net>
5974
5975          PR target/44750
5976         * config/pdp11/t-pdp11 (dwarf2out.o, java/constants.o): Undo last
5977         change.  Set $@-warn.o to -Wno-error.
5978
5979         PR bootstrap/44756
5980         * expr.c (emit_push_insn): Cast value of PUSH_ROUNDING before
5981         comparing it to a signed value.
5982
5983         PR middle-end/44766
5984         * expr.c (can_store_by_pieces): Add ATTRIBUTE_UNUSED to cst.
5985         PR bootstrap/44770
5986         * haifa-sched.c (initiate_bb_reg_pressure_info): Add ATTRIBUTE_UNUSED
5987         to i.
5988
5989         PR target/44754
5990         * config/m32c/m32c.c (m32_function_arg): Rename declaration to...
5991         (m32c_function_arg).  Add comma between arguments two and three.
5992         (m32c_promote_prototypes): Remove declaration.
5993         (current_function_special_page_vector): Likewise.
5994         (m32c_regno_reg_class): Change return type to enum reg_class.
5995         (m32c_pushm_popm): Use add_reg_note.
5996         (m32c_push_rounding): Change return type to unsigned int.
5997         (m32c_legitimize_reload_address): Cast argument 11 to push_reload to
5998         enum reload_type.
5999         (m32c_insert_attributes): Constify variable name.
6000         (m32c_output_aligned_common): Add ATTRIBUTE_UNUSED to argument decl.
6001         (m32c_prepare_shift): Remove variable lref.
6002         (m32c_expand_movcc): Remove variable cmp.
6003         (m32c_expand_insv): Fix check of op0 rtx_code to use GET_CODE.
6004         (m32c_compare_redundant): Remove variable op2.
6005         * config/m32c/m32c-pragma.c ("c-family/c-common.h"): Include.
6006         (m32c_pragma_memregs): Assign the number to target_memregs.
6007         (m32c_pragma_address): Remove variable var_str.
6008         * config/m32c/m32c.h (REG_CLASS_FROM_CONSTRAINT): Case value to
6009         enum reg_class.
6010         (LIMIT_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6011         * config/m32c/bitops.md (andsi3): Add default case to switch.
6012         (iorsi3, xorsi3): Likewise.
6013         * config/m32c/addsub.md (addsi3_1, subsi3_1): Likewise.
6014         * config/m32c/jump.md (call, call_value): Likewise.
6015         * config/m32c/m32c-protos.h (m32c_push_rounding): Update prototype.
6016         (m32c_regno_reg_class): Likewise.
6017         (current_function_special_page_vector): Declare.
6018
6019 2010-11-05  Jakub Jelinek  <jakub@redhat.com>
6020
6021         * cfgexpand.c (expand_debug_expr): Handle MEM_REF with non-zero offset.
6022
6023         PR tree-optimization/46099
6024         * tree-parloops.c (take_address_of): Add GSI argument.  Return NULL
6025         if it is NULL and uid wasn't found in the hash table.  Just fold the
6026         result if it is NULL otherwise.  Insert other potentially needed
6027         stmts right before current stmt instead of on the entry edge.
6028         (struct elv_data): Add gsi and reset fields.
6029         (eliminate_local_variables_1): Adjust caller.  If take_address_of
6030         failed for debug stmt, set dta->reset and return.
6031         (eliminate_local_variables_stmt): Change STMT argument for GSI,
6032         pass GSI through to the callback, handle resetting of debug stmts.
6033         (eliminate_local_variables): Adjust caller.  Process debug stmts
6034         in second phase.
6035
6036         PR middle-end/43690
6037         * gimplify.c (gimplify_asm_expr): If a "m" input is a
6038         {pre,post}{in,de}crement, fail.
6039
6040         PR debug/46307
6041         * tree-ssa-operands.c (get_expr_operands): Handle FMA_EXPR.
6042         * tree-pretty-print.c (dump_generic_node): Likewise.
6043         (op_code_prio): Likewise.
6044         * cfgexpand.c (expand_debug_expr): Likewise.
6045
6046 2010-11-04  Paul Koning  <ni1d@arrl.net>
6047
6048         * doc/md.texi (Machine Constraints): Correct formatting in PDP-11
6049         constraints.
6050
6051 2010-11-04  Chao-ying Fu  <fu@mips.com>
6052
6053         * configure.ac: Test assembler support for DSP Rev1 mult.
6054         * configure: Regenerate.
6055         * config.in: Regenerate.
6056         * config/mips/mips.h (ISA_HAS_DSP_MULT): New define.
6057         * config/mips/mips.c (CODE_FOR_mips_mult): New define.
6058         (CODE_FOR_mips_multu): New define.
6059         (mips_builtins): Move madd, maddu, msub, msubu, mult, multu from
6060         dspr2_32 to dsp_32.
6061         (mips_mulsidi3_gen_fn): Test (TARGET_FIX_R4000 && !ISA_HAS_DSP).
6062         Delete returns when ISA_HAS_DSPR2 because the old patterns are deleted.
6063         * config/mips/mips-dsp.md (mips_madd<u>, mips_msub<u>):
6064         New define_expand patterns.
6065         * config/mips/constraints.md (ka): Update the constraint to test
6066         ISA_HAS_DSP_MULT instead of ISA_HAS_DSPR2.
6067         * config/mips/mips-dspr2.md (mips_madd<u>, mips_msub<u>, mips_mult,
6068         mips_multu): Delete.
6069         * config/mips/mips.md (<u>mulsidi3_32bit): Add comments.
6070         Change target constraint to "ka".
6071         Use (!TARGET_FIX_R4000 || ISA_HAS_DSP), instead of
6072         (!TARGET_FIX_R4000 && !ISA_HAS_DSPR2).
6073         Emit the accumulator destination when ISA_HAS_DSP_MULT.
6074         (<u>msubsidi4): Add comments.  Test ISA_HAS_DSP.
6075         Emit the accumulator destination when ISA_HAS_DSP_MULT.
6076         (<u>maddsidi4): Likewise.
6077         * doc/extend.texi (MIPS DSP Built-in Functions): Move madd, maddu,
6078         msub, msubu, mult, multu built-in functions from DSP r2 to DSP r1.
6079
6080 2010-11-04  Paul Koning  <ni1d@arrl.net>
6081
6082         * doc/md.texi (Machine Constraints): Add PDP-11 constraints.
6083
6084 2010-11-04  Paul Koning  <ni1d@arrl.net>
6085
6086         * doc/invoke.texi (PDP-11 Options): Delete -msplit, -mno-split.
6087
6088 2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>
6089
6090         Fixed using the Objective-C 2.0 dot-syntax with class names.
6091         * c-parser.c (c_parser_next_token_starts_declspecs): In
6092         Objective-C, detect Objective-C 2.0 dot-syntax with a class name.
6093         (c_parser_next_token_starts_declaration): Same.
6094         (c_parser_postfix_expression): Parse the Objective-C 2.0
6095         dot-syntax with a class name.
6096
6097 2010-11-04  Pat Haugen  <pthaugen@us.ibm.com>
6098
6099         * final.c (compute_alignments): Compute/free loop info all the time.
6100         * config/rs6000/rs6000.h (LOOP_ALIGN): Define.
6101         * config/rs6000/rs6000-protos.h (rs6000_loop_align): Declare.
6102         * config/rs6000/t-rs6000 (rs6000.o): Add cfgloop.h.
6103         * config/rs6000/rs6000.c (cfgloop.h): Include.
6104         (can_override_loop_align): New.
6105         (rs6000_option_override_internal): Set it.
6106         (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Define target hook.
6107         (rs6000_loop_align): New function.
6108         (rs6000_loop_align_max_skip): Likewise.
6109
6110 2010-11-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6111
6112         PR driver/45703
6113         * collect2.c (main): Print --help output to stdout.  Do not
6114         exit right away, so ld --help is appended.  Add empty lines
6115         to separate output suitably.
6116
6117 2010-11-04  Jakub Jelinek  <jakub@redhat.com>
6118
6119         PR tree-optimization/46233
6120         * ipa-pure-const.c (local_pure_const): Do noreturn discovery
6121         after calling analyze_function, not before.
6122
6123         PR target/46234
6124         * config/rs6000/rs6000.c (rs6000_va_start): Use build_simple_mem_ref
6125         instead of build_va_arg_indirect_ref.
6126         * config/spu/spu.c (spu_va_start): Likewise.
6127         * config/s390/s390.c (s390_va_start): Likewise.
6128
6129 2010-11-03  Uros Bizjak  <ubizjak@gmail.com>
6130
6131         PR middle-end/46292
6132         * lower-subreg.c (simplify_subreg_concatn): For VOIDmode elements,
6133         if the innermode is not vector mode, determine the mode of a subreg
6134         by using mode_for_size of inner_size.
6135
6136 2010-11-04  Richard Guenther  <rguenther@suse.de>
6137
6138         PR rtl-optimization/46183
6139         * gcse.c (execute_rtl_cprop): Cleanup the CFG if something changed.
6140         (execute_rtl_pre): Likewise.
6141         (execute_rtl_hoist): Likewise.
6142
6143 2010-11-04  Richard Guenther  <rguenther@suse.de>
6144
6145         PR tree-optimization/46068
6146         * ipa-split.c (consider_split): Remove gcc_unreachable.
6147
6148 2010-11-04  Richard Guenther  <rguenther@suse.de>
6149
6150         * tree-nested.c (build_addr): Use build_fold_addr_expr.
6151
6152 2010-11-04  Richard Guenther  <rguenther@suse.de>
6153
6154         PR tree-optimization/45991
6155         * gimplify.c (force_gimple_operand_1): Use the provded test
6156         function in the initial test.
6157
6158 2010-11-04  Jeff Law  <law@redhat.com>
6159
6160         * ira.c (validate_equiv_mem): Remove code to avoid invalidation
6161         of readonly memory equivalances for const/pure calls.
6162
6163 2010-11-04  Richard Guenther  <rguenther@suse.de>
6164
6165         PR tree-optimization/45733
6166         * tree-vect-stmts.c (reverse_vec_elements): Honor the
6167         permute builtins function return type.
6168
6169 2010-11-04  Joern Rennecke  <amylaar@spamcop.net>
6170
6171         PR middle-end/44765
6172         * emit-rtl.c (gen_rtx_REG): Before using PIC_OFFSET_TABLE_REGNUM
6173         as an index, check it is not INVALID_REGNUM.
6174
6175         PR bootstrap/44756
6176         * ifcvt.c (noce_emit_cmove): Add ATTRIBUTE_UNUSED to target and
6177         unsignedp.
6178         * reload1.c (set_reload_reg): Add ATTRIBUTE_UNUSED to regno.
6179
6180         PR bootstrap/44756
6181         * function.c (thread_prologue_and_epilogue_insns): Add
6182         ATTRIBUTE_UNUSED to seq, epilogue_end and entry_edge.
6183
6184         PR bootstrap/44756
6185         * varasm.c (asm_output_bss): Add ATTRIBUTE_UNUSED to function.
6186
6187         PR target/44750
6188         * config/pdp11/pdp11.c: (pdp11_secondary_reload): Now static.
6189         (pdp11_preferred_reload_class): Rename class to rclass.
6190         (pdp11_preferred_output_reload_class): Likewise.
6191         * config/pdp11/t-pdp11 (dwarf2out.o): Add -Wno-error=type-limits to
6192         ALL_COMPILERFLAGS .
6193         (java/constants.o): Add -Wno-error to ALL_COMPILERFLAGS.
6194
6195         PR bootstrap/44756
6196         * genopinit.c (main) [FIXUNS_TRUNC_LIKE_FIX_TRUNC]: Cast
6197         iteration variables to enum machine_mode.
6198
6199         PR target/44751
6200         * config/h8300/h8300.c: Include df.h.
6201         (push, pop): Use add_reg_note.
6202         (compute_plussi_cc, compute_logical_op_cc): Return enum attr_c.
6203         (compute_a_shift_cc): Likewise.
6204         (expand_a_shift): Argument code has type enum rtx_code.
6205         (struct shift_insn): Member cc_valid has type enum attr_cc.
6206         (struct shift_info) <cc_inline, cc_special>: Likewise.
6207         enum attr_cc.
6208         * config/h8300/h8300-protos.h (compute_plussi_cc): Update prototype.
6209         (compute_a_shift_cc, compute_logical_op_cc, expand_a_shift): Likewise.
6210
6211 2010-11-04  Ira Rosen  <irar@il.ibm.com>
6212
6213         PR tree-optimization/46213
6214         * tree-vect-loop.c (vect_is_simple_reduction_1): Handle
6215         MINUS_EXPR only if the first operand is reduction operand.
6216
6217 2010-11-04  Richard Guenther  <rguenther@suse.de>
6218             Richard Henderson  <rth@redhat.com>
6219
6220         * tree.def (FMA_EXPR): New tree code.
6221         * expr.c (expand_expr_real_2): Add FMA_EXPR expansion code.
6222         * gimple.c (gimple_rhs_class_table): FMA_EXPR is a GIMPLE_TERNARY_RHS.
6223         * tree-cfg.c (verify_gimple_assign_ternary): Verify FMA_EXPR types.
6224         * tree-inline.c (estimate_operator_cost): Handle FMA_EXPR.
6225         * gimple-pretty-print.c (dump_ternary_rhs): Likewise.
6226         * tree-ssa-math-opts.c (convert_mult_to_fma): New function.
6227         (execute_optimize_widening_mul): Call it.  Reorganize to allow
6228         dead stmt removal.  Move TODO flags ...
6229         (pass_optimize_widening_mul): ... here.
6230         * flag-types.h (enum fp_contract_mode): New enum.
6231         * common.opt (flag_fp_contract_mode): New variable.
6232         (-ffp-contract): New option.
6233         * opts.c (common_handle_option): Handle it.
6234         * doc/invoke.texi (-ffp-contract): Document.
6235         * tree.h (fold_fma): Declare.
6236         * builtins.c (fold_fma): New function.
6237         (fold_builtin_fma): Likewise.
6238         (fold_builtin_3): Call it for fma.
6239         * fold-const.c (fold_ternary_loc): Fold FMA_EXPR.
6240         * optabs.c (optab_for_tree_code): Handle FMA_EXPR.
6241         * config/i386/sse.md (fms<mode>4, fnma<mode>, fnms<mode>4):
6242         New expanders.
6243         * doc/md.texi (fms<mode>4, fnma<mode>, fnms<mode>4): Document new
6244         named patterns.
6245         * genopinit.c (optabs): Initialize fms_optab, fnma_optab and fnms_optab.
6246         * optabs.h (enum optab_index): Add OTI_fms, OTI_fnma and OTI_fnms.
6247         (fms_optab, fnma_optab, fnms_optab): New defines.
6248         * gimplify.c (gimplify_expr): Handle binary truth expressions
6249         explicitly.  Handle FMA_EXPR.
6250         * tree-vect-stmts.c (vectorizable_operation): Handle ternary
6251         operations.
6252
6253 2010-11-04  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
6254             Richard Guenther  <rguenther@suse.de>
6255
6256         * passes.c (init_optimization_passes): Move veclower after SSA.
6257         * tree-vect-generic.c (uniform_vector_p): New function.
6258         (expand_vector_operations_1): Handle conversion.
6259         (pass_lower_vector): Update SSA form.
6260
6261 2010-11-04  Iain Sandoe  <iains@gcc.gnu.org>
6262
6263         * configure.ac: Filter -mdynamic-no-pic from CFLAGS when testing for
6264         plugin capabilities.
6265         * configure: Regenerate.
6266
6267 2010-11-03  Xinliang David Li  <davidxl@google.com>
6268
6269         PR target/46200
6270         * tree-ssa-loop-ivopts.c (get_computation_cost_at):
6271         Adjust cbase if the use stmt is after iv update.
6272
6273 2010-11-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6274
6275         * config.gcc (sh64*) <tm_file>: Add newlib-stdint.h for newlib targets.
6276
6277 2010-11-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6278
6279         * config/sh/sh.c (sh_expand_prologue): Remove unnecessary
6280         comment.  Pass true to the last argument of output_stack_adjust.
6281
6282 2010-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6283
6284         PR target/46295
6285         * config/i386/i386.c (ix86_expand_vector_move): Set use_avx256_p
6286         if 256bit AVX register is used.
6287
6288 2010-11-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6289
6290         * config/rs6000/rs6000.c (rs6000_emit_minmax): Add support to use
6291         xsmindp/xsmaxdp on VSX for single precision min/max.
6292         * config/rs6000/vsx.md (vsx_smaxsf3): Ditto.
6293         (vsx_sminsf3): Ditto.
6294
6295 2010-11-03  Eric Botcazou  <ebotcazou@adacore.com>
6296
6297         * combine.c (try_combine): Fix formatting issues, improve comments and
6298         fix a pasto.
6299
6300 2010-11-03  Eric Botcazou  <ebotcazou@adacore.com>
6301
6302         * tree-tailcall.c (find_tail_calls): Convert the operands to the type
6303         of the result before building binary expressions.
6304
6305 2010-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6306
6307         PR rtl-optimization/45865
6308         * Makefile.in (df-problems.o): Revert revision 164552.
6309         * basic-block.h (enum bb_flags): Likewise.
6310         * cfgcleanup.c (block_was_dirty): Likewise.
6311         (try_forward_edges): Likewise.
6312         (try_crossjump_bb): Likewise.
6313         (try_head_merge_bb): Likewise.
6314         (try_optimize_cfg): Likewise.
6315         (cleanup_cfg): Likewise.
6316         * df-core.c (df_set_bb_dirty): Likewise.
6317         * df-problems.c: Likewise.
6318         (df_simulate_find_uses): Likewise.
6319         (MEMREF_NORMAL, MEMREF_VOLATILE): Likewise.
6320         (find_memory, find_memory_store): Likewise.
6321         (can_move_insns_across): Likewise.
6322         * df.h (can_move_insns_across): Likewise.
6323         * ifcvt.c (find_memory): Likewise.
6324         (dead_or_predicable): Likewise.
6325
6326 2010-11-03  Richard Guenther  <rguenther@suse.de>
6327
6328         PR middle-end/46288
6329         * predict.c (strip_predict_hints): Simply DCE builtin expect if
6330         the result is unused.
6331
6332 2010-11-03  Jakub Jelinek  <jakub@redhat.com>
6333
6334         PR tree-optimization/46009
6335         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Call
6336         cond_if_else_store_replacement if bb1 and bb2 have the same
6337         single successor.
6338         (cond_store_replacement): Use gimple_assign_single_p, don't
6339         check if rhs is SSA_NAME or invariant.  Call release_defs for
6340         assign.
6341         (cond_if_else_store_replacement): New function.
6342
6343 2010-11-03  Richard Guenther  <rguenther@suse.de>
6344
6345         * opts.c (finish_options): Properly check for all WHOPR
6346         flags before complaining about -flto-partition.
6347
6348 2010-11-04  Alan Modra  <amodra@gmail.com>
6349
6350         * config/rs6000/rs6000.c (rs6000_pic_labelno): Make static.
6351         (rs6000_emit_load_toc_table): Don't use rs6000_pic_labelno when
6352         TARGET_SECURE_PLT.
6353         * config/rs6000/sysv4.h (rs6000_pic_labelno): Don't declare.
6354         * config/rs6000/rs6000.md (load_toc_v4_PIC_3b): Use "b" constraint
6355         on input, "r" on output.
6356
6357 2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>
6358
6359         Implemented -fobjc-std=objc1 flag.
6360         * doc/invoke.texi (Option Summary): Document -fobjc-std=objc1
6361         option.
6362         * doc/standards.texi (Standards): Updated the section on
6363         Objective-C; mention support for Objective-C 2.0 features and the
6364         new -fstd-objc=objc1 flag to disable them.
6365
6366 2010-11-03  Richard Guenther  <rguenther@suse.de>
6367
6368         PR middle-end/46241
6369         * dwarf2out.c (scope_die_for): Properly detect global scope.
6370
6371 2010-11-03  Richard Guenther  <rguenther@suse.de>
6372
6373         PR tree-optimization/46190
6374         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
6375         Properly compute peel iterations.
6376
6377 2010-11-03  Richard Guenther  <rguenther@suse.de>
6378
6379         PR tree-optimization/46286
6380         * tree-ssa-structalias.c (get_constraint_for_1): Avoid referencing
6381         re-allocated vector data.
6382
6383 2010-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6384
6385         PR target/46285
6386         * config/i386/i386.c (ix86_expand_call): Conditionally decorate
6387         calls with UNSPEC_CALL_NEEDS_VZEROUPPER unspec before reload
6388         is completed.
6389
6390 2010-11-03  Richard Guenther  <rguenther@suse.de>
6391
6392         PR tree-optimization/46217
6393         * tree-ssa.c (non_rewritable_mem_ref_base): Check if volatile
6394         flag matches.
6395         (execute_update_addresses_taken): Likewise.
6396
6397 2010-11-03  Joern Rennecke  <joern.rennecke@embecosm.com>
6398
6399         PR bootstrap/44335
6400         * targhooks.c (targhook_words_big_endian): New function.
6401         (targhook_float_words_big_endian): Likewise.
6402         * targhooks.h (targhook_words_big_endian): Declare.
6403         (targhook_float_words_big_endian): Likewise.
6404         * target.def (words_big_endian, float_words_big_endian): New hooks.
6405
6406 2010-11-03  Jakub Jelinek  <jakub@redhat.com>
6407
6408         PR tree-optimization/46165
6409         * tree-ssa-pre.c (eliminate): Return TODO_cleanup_cfg if changing
6410         a normal call into noreturn call.
6411
6412 2010-11-03  Richard Guenther  <rguenther@suse.de>
6413
6414         PR middle-end/46251
6415         * builtins.c (expand_builtin_sincos): Properly build MEM_REFs,
6416         not INDIRECT_REFs.
6417
6418 2010-11-03  Jakub Jelinek  <jakub@redhat.com>
6419
6420         PR tree-optimization/46107
6421         * cfgloopmanip.c (loop_version): Set irred_flag back into entry->flags
6422         if cfg_hook_duplicate_loop_to_header_edge failed.
6423
6424 2010-11-03  Ian Lance Taylor  <iant@google.com>
6425
6426         PR lto/46273
6427         * config.gcc: Don't set lto_binary_reader.
6428         * doc/install.texi (Prerequisites): Remove libelf paragraphs.
6429         (Configuration): Mention --disable-lto.  Remove --with-libelf
6430         paragraph.
6431
6432 2010-11-03  Jakub Jelinek  <jakub@redhat.com>
6433
6434         PR debug/46252
6435         * reload1.c (delete_dead_insn): Use prev_active_insn instead of
6436         prev_real_insn.
6437         * gcse.c (insert_insn_end_basic_block): Likewise.
6438
6439         PR rtl-optimization/46034
6440         PR rtl-optimization/46212
6441         PR rtl-optimization/46248
6442         * combine.c (try_combine): If added_sets_2 where i0dest_in_i0src
6443         and i0 feeds i1 and i1 feeds i2 or i0 feeds i2, make a copy of i1src
6444         before i0dest -> i0src substitution and pass 1 instead of 0 as last
6445         argument to subst on i2pat.
6446
6447 2010-11-02  Ian Lance Taylor  <iant@google.com>
6448
6449         * configure.ac: Use AC_SYS_LARGEFILE.
6450         * configure: Rebuild.
6451         * config.in: Rebuild.
6452
6453 2010-11-02  Nathan Froyd  <froydnj@codesourcery.com>
6454
6455         * builtins.c (fold_builtin_signbit): Use build_zero_cst instead of
6456         fold_convert.
6457         * c-typeck.c (build_function_call_vec): Likewise.
6458         * cfgexpand.c (expand_debug_expr): Likewise.
6459         * cgraphunit.c (assemble_thunk): Likewise.
6460         * config/sparc/sparc.c (sparc_fold_builtin): Likewise.
6461         * fold-const.c (fold_unary_loc, fold_mult_zconjz): Likewise.
6462         (fold_binary_loc, fold_ternary_loc): Likewise.
6463         * gimple-fold.c (get_symbol_constant_value): Likewise.
6464         * gimple-low.c (lower_builtin_setjmp): Likewise.
6465         * gimple.c (gimple_cond_get_ops_from_tree): Likewise.
6466         * gimplify.c (gimplify_init_constructor): Likewise.
6467         * lambda.h (build_linear_expr): Likewise.
6468         * omp-low.c (omp_reduction_init): Likewise.
6469         * tree-inline.c (remap_ssa_name): Likewise.
6470         * tree-object-size.c (compute_object_sizes): Likewise.
6471         * tree-sra.c (init_subtree_with_zero): Likewise.
6472         (sra_ipa_modify_assign): Likewise.
6473         * tree-ssa-copy.c (propagate_tree_value_into_stmt): Likewise.
6474         * tree-ssa-reassoc.c (eliminate_duplicate_pair): Likewise.
6475         (eliminate_plus_minus_pair, eliminate_not_pairs): Likewise.
6476         (undistribute_ops_list): Likewise.
6477         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
6478         * tree-vect-stmts.c (vectorizable_call): Likewise.
6479         * tree.c (build_vector_from_ctor, build_one_cst): Likewise.
6480         (build_zero_cst): Handle more cases directly.  Update comment.
6481
6482 2010-11-02  H.J. Lu  <hongjiu.lu@intel.com>
6483
6484         * config/i386/i386-protos.h (ix86_split_call_pop_vzeroupper): Removed.
6485         * config/i386/i386.c (ix86_split_call_pop_vzeroupper): Likewise.
6486
6487         * config/i386/i386.md (*call_pop_0_vzeroupper): Use parallel
6488         and call ix86_split_call_vzeroupper instead of
6489         ix86_split_call_pop_vzeroupper.
6490         (*call_pop_1_vzeroupper): Likewise.
6491         (*sibcall_pop_1_vzeroupper): Likewise.
6492         (*call_value_pop_0_vzeroupper): Likewise.
6493         (*call_value_pop_1_vzeroupper): Likewise.
6494         (*sibcall_value_pop_1_vzeroupper): Likewise.
6495
6496 2010-11-02  H.J. Lu  <hongjiu.lu@intel.com>
6497
6498         * config/i386/i386.md (*sibcall_1_rex64_vzeroupper): Fix a typo.
6499
6500 2010-11-02  Eric Botcazou  <ebotcazou@adacore.com>
6501
6502         * basic-block.h (insert_insn_end_bb_new): Delete.
6503         * cfgrtl.c (insert_insn_end_bb_new): Likewise.
6504
6505 2010-11-02  Uros Bizjak  <ubizjak@gmail.com>
6506             H.J. Lu  <hongjiu.lu@intel.com>
6507
6508         * config/i386/i386-protos.h (ix86_split_call_vzeroupper): New.
6509         (ix86_split_call_pop_vzeroupper): Likewise.
6510
6511         * config/i386/i386.c (move_or_delete_vzeroupper_2): Rewrite the loop.
6512         (ix86_expand_call): Conditionally decorate calls with
6513         UNSPEC_CALL_NEEDS_VZEROUPPER unspec.
6514         (ix86_split_call_vzeroupper): New.
6515         (ix86_split_call_pop_vzeroupper): Likewise.
6516
6517         * config/i386/i386.md (UNSPEC_CALL_NEEDS_VZEROUPPER): New.
6518         (*call_pop_0_vzeroupper): New insn_and_split pattern.
6519         (*call_pop_1_vzeroupper): Likewise.
6520         (*sibcall_pop_1_vzeroupper): Likewise.
6521         (*call_0_vzeroupper): Likewise.
6522         (*call_1_vzeroupper): Likewise.
6523         (*sibcall_1_vzeroupper): Likewise.
6524         (*call_1_rex64_vzeroupper): Likewise.
6525         (*call_1_rex64_ms_sysv_vzeroupper): Likewise.
6526         (*call_1_rex64_large_vzeroupper): Likewise.
6527         (*sibcall_1_rex64_vzeroupper): Likewise.
6528         (*call_value_pop_0_vzeroupper): Likewise.
6529         (*call_value_pop_1_vzeroupper): Likewise.
6530         (*sibcall_value_pop_1_vzeroupper): Likewise.
6531         (*call_value_0_vzeroupper): Likewise.
6532         (*call_value_0_rex64_vzeroupper): Likewise.
6533         (*call_value_0_rex64_ms_sysv_vzeroupper): Likewise.
6534         (*call_value_1_vzeroupper): Likewise.
6535         (*sibcall_value_1_vzeroupper): Likewise.
6536         (*call_value_1_rex64_vzeroupper): Likewise.
6537         (*call_value_1_rex64_ms_sysv_vzeroupper): Likewise.
6538         (*call_value_1_rex64_large_vzeroupper): Likewise.
6539         (*sibcall_value_1_rex64_vzeroupper): Likewise.
6540
6541 2010-11-02  Ian Lance Taylor  <iant@google.com>
6542
6543         PR lto/46273
6544         * config.gcc: Revert last patch: set lto_binary_reader.
6545
6546 2010-11-02  Richard Guenther  <rguenther@suse.de>
6547
6548         PR tree-optimization/46149
6549         * tree-ssa-structalias.c (get_constraint_fop_1): Properly handle
6550         non-indirect MEM_REF variants.
6551
6552 2010-11-02  Richard Guenther  <rguenther@suse.de>
6553
6554         PR tree-optimization/46216
6555         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6556         Check if we can propagate from a POINTER_PLUS_EXPR before doing so.
6557
6558 2010-11-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6559
6560         * configure.ac (*-*-irix6*): Disable set_have_as_tls.
6561         (*-*-osf*): Likewise.
6562         * configure: Regenerate.
6563
6564 2010-11-02  H.J. Lu  <hongjiu.lu@intel.com>
6565
6566         * config/i386/driver-i386.c (host_detect_local_cpu): Updated
6567         for Intel Core 2 and Core i7.
6568
6569 2010-11-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
6570
6571         Model decoder of Core 2/i7 for multipass scheduling.
6572
6573         * config/i386/i386-protos.h (struct ix86_first_cycle_multipass_data_):
6574         New type to hold target-specific data for multipass scheduling.
6575         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T): Define.
6576         * config/i386/i386.c (ia32_multipass_dfa_lookahead): Update for
6577         Core 2/i7.
6578         (core2i7_secondary_decoder_max_insn_size,)
6579         (core2i7_secondary_ifetch_block_size, core2i7_ifetch_block_max_insns):
6580         New static variables.
6581         ([const_]ix86_first_cycle_multipass_data_t): New typedefs.
6582         ([_]ix86_first_cycle_multipass_data): New static variable.
6583         (core2i7_first_cycle_multipass_init, core2i7_dfa_poast_advance_cycle):
6584         Implement targetm.sched hooks.
6585         (core2i7_first_cycle_multipass_filter_ready_try): New static subroutine
6586         of ...
6587         (core2i7_first_cycle_multipass_{begin, issue, backtrack, end, fini}):
6588         Implement new targetm.sched hooks.
6589         (ix86_sched_init_global, TARGET_SCHED_INIT_GLOBAL): Define
6590         targetm.sched hook to install multipass scheduling hooks on demand.
6591
6592         * doc/tm.texi.in: Document new targetm.sched hooks.
6593         * doc/tm.texi: Regenerate.
6594
6595         * haifa-sched.c (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DATA_T): Define.
6596         (first_cycle_multipass_data_t): New typedef.
6597         (struct choice_entry: target_data): New field.
6598         (max_issue): Add first_cycle_insn_p parameter.  Call new target hooks
6599         to allow target model restrictions not represented in DFA.
6600         (choose_ready, schedule_block): Update.
6601         (sched_extend_ready_list, sched_finish_ready_list): Call new target
6602         hooks to initialize target-specific data for multipass scheduling.
6603         * sched-int.h (max_issue): Update declaration.
6604         * sel-sched.c (choose_best_insn): Update.
6605         * target.def (first_cycle_multipass_{begin, issue, backtrack},)
6606         (first_cycle_multipass_{init, fini}): Define and document new
6607         targetm.sched hooks.
6608
6609 2010-11-02  Richard Guenther  <rguenther@suse.de>
6610
6611         PR tree-optimization/46184
6612         * tree-vect-loop.c (vectorizable_reduction): Try to obtain the
6613         input vector type from the reduction operand as well.
6614
6615 2010-11-02  Richard Guenther  <rguenther@suse.de>
6616
6617         PR tree-optimization/46177
6618         * tree-loop-distribution.c (prop_phis): Use
6619         mark_virtual_phi_result_for_renaming.
6620
6621 2010-11-02  Martin Jambor  <mjambor@suse.cz>
6622
6623         PR middle-end/46120
6624         * tree.c (get_binfo_at_offset): Bail out on artificial
6625         fields.  Identify primary bases according to their offsets.
6626
6627 2010-11-02  Martin Jambor  <mjambor@suse.cz>
6628
6629         PR tree-optimization/45875
6630         * gimple-fold.c (get_first_base_binfo_with_virtuals): Removed.
6631         (gimple_get_relevant_ref_binfo): Detect primary bases according to
6632         their field offset.
6633
6634 2010-11-02  Ian Lance Taylor  <iant@google.com>
6635
6636         * doc/install.texi (Configuration): Note in two places that Java
6637         is not enabled by default.
6638
6639 2010-11-02  Ian Lance Taylor  <iant@google.com>
6640
6641         * doc/install.texi (Prerequisites): Remove libelf paragraphs.
6642         (Configuration): Mention --disable-lto.  Remove --with-libelf
6643         paragraph.
6644
6645 2010-11-02  Ian Lance Taylor  <iant@google.com>
6646
6647         * configure.ac: Remove elf_getshdrstrndx test.  Don't substitute
6648         LTO_BINARY_READER or LTO_USE_LIBELF.  Remove LIBELFLIBS and
6649         LIBELFINC.  Remove HAVE_libelf.
6650         * config.gcc: Don't set lto_binary_reader.
6651         * Makefile.in (LIBELFLIBS, LIBELFINC): Remove variables.
6652         (LTO_BINARY_READER, LTO_USE_LIBELF): Remove variables.
6653         (LIBS): Remove $(LIBELFLIBS).
6654         (INCLUDES): Remove $(LIBELFINC).
6655         * configure: Rebuild.
6656         * config.in: Rebuild.
6657
6658 2010-11-02  Nathan Froyd  <froydnj@codesourcery.com>
6659
6660         * config/microblaze/microblaze-protos.h (function_arg): Delete.
6661         (function_arg_advance): Delete.
6662         * config/microblaze/microblaze.h (FUNCTION_ARG_ADVANCE): Delete.
6663         (FUNCTION_ARG): Delete.
6664         * config/microblaze/microblaze.c (function_arg_advance): Rename to...
6665         (microblaze_function_arg_advance): ...this.  Make static.  Take a
6666         const_tree and a bool.
6667         (function-arg): Rename to...
6668         (microblaze_function_arg): ...this.  Make static.  Take a const_tree
6669         and a bool.
6670         (microblaze_expand_prologue): Call targetm.calls.function_arg and
6671         targetm.calls.function_arg_advance.
6672         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
6673
6674 2010-11-02  Iain Sandoe  <iains@gcc.gnu.org>
6675
6676         Merge from FSF "apple/trunk" branch.
6677
6678         * config/rs6000/darwin.opt (mdynamic-no-pic): move from here ...
6679         * config/darwin.opt: .. to here.
6680         (matt-stubs): New option.
6681         * config/i386/darwin.opt: Delete.
6682         * config/i386/i386.h (MACHOPIC_ATT_STUB): New.
6683         (MACHO_DYNAMIC_NO_PIC_P): New.
6684         (MACHOPIC_INDIRECT): New.
6685         (MACHOPIC_PURE): New.
6686         * config/i386/darwin.h (DARWIN_X86) Define to 1.
6687         (MACHOPIC_ATT_STUB): New.
6688         (CC1_SPEC): Do not remove mdynamic-no-pic.
6689         Move HOT_TEXT_SECTION_NAME: move to config/darwin.h
6690         UNLIKELY_EXECUTED_TEXT_SECTION_NAME: Likewise.
6691         (FUNCTION_PROFILER): Correct over-length line.
6692         (SUBTARGET_OVERRIDE_OPTIONS): New.
6693         (MACHOPIC_NL_SYMBOL_PTR_SECTION): New.
6694         * config/i386/i386.c (config/i386/i386.c): Darwin has no PLT.
6695         (legitimate_constant_p): Handle mdynamic-no-pic.
6696         (ix86_legitimate_address_p): Likewise.
6697         (ix86_legitimize_address): Likewise.
6698         (ix86_expand_move): Likewise.
6699         (machopic_output_stub): Update for ATT-style stubs and
6700         mdynamic-no-pic.
6701         * config/darwin-protos.h (machopic_symbol_defined_p): New.
6702         * config/rs6000/darwin.h (DARWIN_PPC): Define to 1.
6703         TARGET_DYNAMIC_NO_PIC: Remove.
6704         Move HOT_TEXT_SECTION_NAME: move to config/darwin.h
6705         UNLIKELY_EXECUTED_TEXT_SECTION_NAME: Likewise.
6706         * config/rs6000/rs6000.c (darwin_rs6000_override_options):
6707         Remove handling of mdynamic-no-pic.
6708         * config/darwin.c (HAVE_lo_sum, gen_macho_high, gen_macho_low):
6709         Define if required.
6710         (machopic_symbol_defined_p): Do not try to use current_function_decl
6711         when generating _get_pc thunks within stubs.
6712         (machopic_indirect_data_reference): Rework for direct conditionals
6713         rather than #ifdefs, add x86 mdynamic-no-pic
6714         (machopic_legitimize_pic_address): Update to use HAVE_lo_sum with a
6715         defined value.
6716         (darwin_override_options): Handle mdynamic-no-pic here.
6717         * config/darwin-sections.def (machopic_lazy_symbol_ptr2_section): New.
6718         (machopic_lazy_symbol_ptr3_section): New.
6719         (machopic_picsymbol_stub2_section): New.
6720         (machopic_picsymbol_stub3_section): New.
6721         * config/darwin.h (DARWIN_X86, DARWIN_PPC): Define to 0.
6722         (MACHOPIC_NL_SYMBOL_PTR_SECTION): New.
6723         (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
6724         Moved common definition from x86 and rs6000.
6725         (MACHO_DYNAMIC_NO_PIC_P): Override value.
6726         (MACHOPIC_INDIRECT): Likewise.
6727         (MACHOPIC_PURE): Likewise.
6728         * config.gcc (x86-darwin-*): Remove darwin.opt.
6729
6730 2010-11-02  Jakub Jelinek  <jakub@redhat.com>
6731
6732         PR debug/46255
6733         * tree-cfg.c (gimple_flow_call_edges_add): Use gsi_last_nondebug_bb
6734         instead of gsi_last_bb.
6735
6736 2010-11-02  Bernd Schmidt  <bernds@codesourcery.com>
6737             Maxim Kuvyrkov  <maxim@codesourcery.com>
6738
6739         * config/i386/i386.c (cpu_names): Add "corei7".
6740         * config/i386/i386.h (enum target_cpu_default): Add entry for Core i7.
6741
6742 2010-11-02  Bernd Schmidt  <bernds@codesourcery.com>
6743             Maxim Kuvyrkov  <maxim@codesourcery.com>
6744
6745         Tune alignment for Intel Core i7
6746
6747         * config/i386.h (TARGET_COREI7{_32,_64,}): New macros.
6748         (enum processor_type): Update comment.  Add entries for Core i7.
6749         * config/i386-c.c (ix86_target_macros_internal): Update.
6750         * config/i386.c (m_COREI7{_32,_64}): New macros.
6751         (m_GENERIC32, m_GENERIC64): Use generic tuning for Core i7.
6752         (processor_target_table): Tune alignment for Core i7.
6753         (ix86_option_override_internal): Use PROCESSOR_COREI7_*.
6754
6755         * doc/invoke.texi: Document "corei7" option value.
6756
6757 2010-11-02  Bernd Schmidt  <bernds@codesourcery.com>
6758             Maxim Kuvyrkov  <maxim@codesourcery.com>
6759             H.J. Lu  <hjl.tools@gmail.com>
6760
6761         Basic support for Intel Core i7
6762
6763         * i386.c (ix86_option_override_internal): Add entry for corei7, use
6764         generic tuning.  Use generic32 when compiling for 32-bit ABI.
6765
6766 2010-11-02  Iain Sandoe  <iains@gcc.gnu.org>
6767
6768         * config/darwin.c (darwin_asm_named_section): Check for __DWARF
6769         sections and call darwin_asm_dwarf_section() to handle them.
6770         (darwin_asm_dwarf_section): New.
6771         (darwin_file_start): Remove code emitting dwarf section symbols.
6772
6773 2010-11-02  Chung-Lin Tang  <cltang@codesourcery.com>
6774
6775         * Makefile.in (LIBGCC2_CFLAGS): Add -fno-stack-protector, to
6776         explicitly disable stack protection when building libgcc.
6777         (CRTSTUFF_CFLAGS): Same, for crtbegin/end.
6778
6779 2010-11-01  Jason Merrill  <jason@redhat.com>
6780
6781         * fold-const.c (fold_indirect_ref_1): Handle folding
6782         POINTER_PLUS_EXPR to ARRAY_REF.
6783
6784 2010-11-01  Kaz Kojima  <kkojima@gcc.gnu.org>
6785
6786         * config/sh/sh.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6787         (sh_delegitimize_address): New function.
6788
6789 2010-11-01  Joseph Myers  <joseph@codesourcery.com>
6790
6791         * config/alpha/alpha.h (WORD_SWITCH_TAKES_ARG): Remove.
6792         * config/cris/cris.h (WORD_SWITCH_TAKES_ARG): Remove.
6793         (CC1_SPEC): Don't handle -target.
6794         * config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove single-argument
6795         options.
6796         * config/darwin.opt (Zallowable_client, Zbundle_loader,
6797         Zdylib_file, Zexported_symbols_list, Zfn_seg_addr_table_filename,
6798         Zimage_base, Zinit, Zinstall_name, Zmultiply_defined,
6799         Zmultiplydefinedunused, Zseg_addr_table, Zsegs_read_only_addr,
6800         Zsegs_read_write_addr, Zumbrella, Zunexported_symbols_list,
6801         Zweak_reference_mismatches, client_name, compatibility_version,
6802         current_version, dylinker_install_name, pagezero_size,
6803         read_only_relocs, seg1addr, segs_read_only_addr,
6804         segs_read_write_addr, sub_library, sub_umbrella): New.
6805         * config/freebsd-spec.h (BSD_WORD_SWITCH_TAKES_ARG): Remove.
6806         * config/freebsd.h (WORD_SWITCH_TAKES_ARG): Remove.
6807         * config/freebsd.opt: New.
6808         * config/interix.h (WORD_SWITCH_TAKES_ARG): Remove.
6809         * config/mips/iris6.h (WORD_SWITCH_TAKES_ARG): Remove.
6810         * config/rpath.opt: New.
6811         * config.gcc (*-*-freebsd*): Use rpath.opt and freebsd.opt.
6812         (alpha*-dec-osf5.1*, i[34567]86-*-interix3*, mips-sgi-irix6.5*):
6813         Use rpath.opt.
6814
6815 2010-11-01  Joseph Myers  <joseph@codesourcery.com>
6816
6817         * common.opt (R, T, Tbss, Tdata, Ttext, h, z): New.
6818         * defaults.h (DEFAULT_SWITCH_TAKES_ARG, SWITCH_TAKES_ARG): Remove.
6819         (DEFAULT_WORD_SWITCH_TAKES_ARG): Define to 0.
6820         * doc/tm.texi.in (SWITCH_TAKES_ARG): Remove.
6821         (WORD_SWITCH_TAKES_ARG): Don't refer to SWITCH_TAKES_ARG.
6822         Document that options in .opt files do not need to be included.
6823         * doc/tm.texi: Regenerate.
6824         * gcc.c (LINK_COMMAND_SPEC): Don't include %{x}.
6825         * opts-common.c: Update comment on tm.h include.
6826         (decode_cmdline_option): Don't use SWITCH_TAKES_ARG.
6827         * system.h (SWITCH_TAKES_ARG): Poison.
6828         * config/alpha/alpha.h (SWITCH_TAKES_ARG): Remove.
6829         * config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove options included
6830         in darwin.opt.
6831         (LINK_COMMAND_SPEC_A): Don't include %{x}.
6832         * config/fr30/fr30.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
6833         * config/freebsd-spec.h (FBSD_SWITCH_TAKES_ARG): Remove.
6834         * config/freebsd.h (SWITCH_TAKES_ARG): Remove.
6835         * config/frv/frv.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
6836         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Don't include %{x}.
6837         * config/ia64/ia64.h (SWITCH_TAKES_ARG): Remove.
6838         * config/interix.h (WORD_SWITCH_TAKES_ARG): Don't handle -T options.
6839         * config/lm32/lm32.h (SWITCH_TAKES_ARG): Remove.
6840         * config/m32r/m32r.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
6841         * config/microblaze/microblaze.h (SWITCH_TAKES_ARG): Remove.
6842         * config/mips/mips.h (SWITCH_TAKES_ARG): Remove.
6843         * config/mips/netbsd.h (SWITCH_TAKES_ARG): Remove.
6844         * config/mips/vxworks.h (SWITCH_TAKES_ARG): Remove.
6845         * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove.
6846         * config/netbsd-elf.h (SWITCH_TAKES_ARG): Remove.
6847         * config/openbsd.h (SWITCH_TAKES_ARG): Remove.
6848         * config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Remove.
6849         * config/score/score.h (SWITCH_TAKES_ARG): Remove.
6850         * config/sol2.h (SWITCH_TAKES_ARG): Remove.
6851         * config/sparc/sp-elf.h (SWITCH_TAKES_ARG): Remove.
6852         * config/sparc/sp64-elf.h (SWITCH_TAKES_ARG): Remove.
6853         * config/sparc/sparc.h (ASM_SPEC): Don't include %{R}.
6854         * config/svr4.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
6855
6856 2010-11-01  Paul Koning  <ni1d@arrl.net>
6857
6858         * config/pdp11/pdp11.md: Use iterators.
6859         (addqi3, subqi3, iorsi3, xorsi3): Delete.
6860
6861 2010-11-01  Steve Ellcey  <sje@cup.hp.com>
6862
6863         * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): Move under ifdef
6864         GCC_INSN_FLAGS_H.
6865         * libgcov.c (__gcov_indirect_call_profiler): Set
6866         VTABLE_USES_DESCRIPTORS if TARGET_VTABLE_USES_DESCRIPTORS is
6867         defined and use in place of TARGET_VTABLE_USES_DESCRIPTORS.
6868
6869 2010-11-01  Nathan Froyd  <froydnj@codesourcery.com>
6870
6871         PR tree-optimization/46259
6872
6873         Revert:
6874         2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
6875         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
6876         build_vector_from_val.
6877
6878 2010-11-01  DJ Delorie  <dj@redhat.com>
6879
6880         * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Add define for RX610
6881         as well as an assertion.
6882
6883 2010-11-01  Paul Koning  <ni1d@arrl.net>
6884
6885         * config/pdp11/pdp11.c (pdp11_return_in_memory): Return vector and
6886         complex modes in memory.
6887
6888 2010-11-01  Nathan Froyd  <froydnj@codesourcery.com>
6889
6890         * tree.c (build_vector_from_val): Use useless_type_conversion_p.
6891
6892 2010-11-01  Jakub Jelinek  <jakub@redhat.com>
6893
6894         PR target/45250
6895         * var-tracking.c (cfa_base_rtx): Move definition earlier in the file.
6896         (cfa_base_offset): New variable.
6897         (compute_cfa_pointer): Use cfa_base_rtx and cfa_base_offset.
6898         (adjust_mems): Don't do any sp or hfp replacements if cfa_base_rtx
6899         is NULL.
6900         (vt_init_cfa_base): Initialize cfa_base_offset.
6901
6902 2010-11-01  Alan Modra  <amodra@gmail.com>
6903
6904         PR target/46030
6905         * config/rs6000/rs6000.c (struct rs6000_stack): Add reload_completed
6906         and savres_strategy.
6907         (stack_info): New file scope var.
6908         (rs6000_init_machine_status): Init stack_info.
6909         (SAVRES_INLINE_FPRS, SAVRES_INLINE_GPRS,
6910         SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
6911         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): Replace with..
6912         (SAVE_INLINE_FPRS, SAVE_INLINE_GPRS, REST_INLINE_FPRS, REST_INLINE_GPRS,
6913         SAVE_NOINLINE_GPRS_SAVES_LR, SAVE_NOINLINE_FPRS_SAVES_LR
6914         REST_NOINLINE_FPRS_DOESNT_RESTORE_LR): ..this.  Update all refs.
6915         (rs6000_savres_strategy): Rewrite.
6916         (rs6000_stack_info): Use "stack_info" in place of local "info".
6917         Return cached stack info when reload_completed unless ENABLE_CHECKING
6918         in which case confirm newly calculated stack info matches old info.
6919         Delay calculation of lr_save_p, set it for out of line gp save/restore
6920         as well as fp.  Call rs6000_savres_strategy from here..
6921         (rs6000_emit_prologue, rs6000_emit_epilogue): ..rather than here.
6922         (rs6000_output_function_prologue): Use info->savres_strategy to
6923         determine whether fp save/restore externs need to be emitted.
6924
6925 2010-10-31  Jason Merrill  <jason@redhat.com>
6926
6927         * tree.h (EXPR_LOC_OR_HERE): New macro.
6928         * builtins.c (c_strlen): Use it.
6929         * c-decl.c (build_enumerator): Likewise.
6930         * gimplify.c (internal_get_tmp_var): Likewise.
6931         (shortcut_cond_expr): Likewise.
6932         (gimplify_one_sizepos): Likewise.
6933
6934 2010-10-31  Richard Henderson  <rth@redhat.com>
6935
6936         * config/i386/cygming.h (TARGET_SEH): New.
6937         (MAX_STACK_ALIGNMENT): New.  Disable alignment for SEH.
6938         (TARGET_ASM_UNWIND_EMIT, TARGET_ASM_UNWIND_EMIT_BEFORE_INSN,
6939         TARGET_ASM_FUNCTION_END_PROLOGUE, SUBTARGET_ASM_UNWIND_INIT): New.
6940         (TARGET_OS_CPP_BUILTINS): Define __SEH__ as needed.
6941         (ASM_DECLARE_FUNCTION_NAME): Use i386_pe_start_function.
6942         (ASM_DECLARE_FUNCTION_SIZE): New.
6943         * config/i386/i386-protos.h: Update.
6944         * config/i386/i386.c (ix86_option_override_internal): Enable
6945         flag_unwind_tables with flag_asynchronous_unwind_tables immediately;
6946         restrict -mpreferred-stack-boundary for SEH; enable flag_fentry.
6947         (ix86_asm_output_function_label): Use SUBTARGET_ASM_UNWIND_INIT.
6948         (ix86_compute_frame_layout): For SEH, disable
6949         use_fast_prologue_epilogue, move frame pointer to the end of
6950         the frame.  Initialize hfp_save_offset.
6951         (ix86_expand_prologue): Honor hfp_save_offset.  Emit blockage
6952         at end of prologue for SEH.
6953         (ix86_expand_epilogue): For SEH, use pops, emit a nop if needed,
6954         emit blockage at beginning of epilogue.
6955         (ix86_expand_binary_operator): After reload, emit LEA if needed.
6956         (ix86_output_call_insn): New.
6957         * config/i386/i386.h (TARGET_SEH): New.
6958         (struct machine_function): Add member seh.
6959         * config/i386/i386.md (all call patterns): Use ix86_output_call_insn.
6960         * config/i386/winnt.c (struct seh_frame_state): New.
6961         (i386_pe_seh_init, i386_pe_seh_end_prologue, i386_pe_seh_fini,
6962         seh_emit_push, seh_emit_save, seh_emit_stackalloc, seh_cfa_adjust_cfa,
6963         seh_cfa_offset, seh_frame_related_expr, i386_pe_seh_unwind_emit,
6964         i386_pe_start_function, i386_pe_end_function): New.
6965
6966         * dwarf2out.c (dwarf2out_frame_debug_expr): Accept CFA as well
6967         as CFA_STORE in rules 12 and 13.
6968
6969 2010-10-31  Uros Bizjak  <ubizjak@gmail.com>
6970
6971         PR tree-optimization/46142
6972         * tree-vect-stmts.c (vectorizable_call): Enlarge dt array to
6973         accommodate third function argument.
6974
6975 2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
6976
6977         * tree-ssa-loop-im.c (rewrite_reciprocal): Use build_one_cst.
6978
6979 2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
6980
6981         * fold-const.c (build_zero_vector): Use build_vector_from_val.
6982         * tree-vect-loop.c (get_initial_def_for_induction): Likewise.
6983         (get_initial_def_for_reduction): Likewise.
6984         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
6985         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Likewise.
6986         * tree.c (build_one_cst): Likewise.
6987         (build_vector_from_val): Use types_compatible_p for assert.
6988
6989 2010-10-30  Nathan Froyd  <froydnj@codesourcery.com>
6990
6991         * emit-rtl.c (mark_used_flags): New function.
6992         (set_used_flags, reset_used_flags): Call it.
6993
6994 2010-10-30  Uros Bizjak  <ubizjak@gmail.com>
6995
6996         PR middle-end/44569
6997         * lower-suberg.c (simplify_subreg_concatn): For VOIDmode elements,
6998         determine the mode of a subreg by GET_MODE_INNER of CONCATN RTX.
6999
7000 2010-10-30  H.J. Lu  <hongjiu.lu@intel.com>
7001
7002         PR target/46195
7003         * config/i386/i386.c (contains_aligned_value_p): Renamed to ...
7004         (ix86_compat_aligned_value_p): This.
7005         (ix86_old_function_arg_boundary): Renamed to ...
7006         (ix86_compat_function_arg_boundary): This.  Updated.
7007         (ix86_contains_aligned_value_p): New.
7008         (ix86_function_arg_boundary): Align long double parameters on
7009         stack to 4byte in 32bit.
7010
7011 2010-10-30  Nicola Pero  <nicola.pero@meta-innovation.com>
7012
7013         Implemented Objective-C 2.0 @property, @synthesize and @dynamic.
7014         * c-parser.c (c_parser_objc_at_property_declaration): Removed
7015         parsing of RID_COPIES and RID_IVAR.  Updated call to
7016         objc_add_property_declaration.
7017         * c-typecheck.c (build_component_ref): Call
7018         objc_maybe_build_component_ref instead of objc_build_setter_call.
7019         Use objc_is_property_ref to improve Objective-C checks.
7020         (cp_build_modify_expr): Call objc_maybe_build_modify_expr instead
7021         of objc_build_getter_call.
7022
7023 2010-10-29  Paul Koning  <ni1d@arrl.net>
7024
7025         * doc/tm.texi.in (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
7026         REGNO_MODE_OK_FOR_REG_BASE, REGNO_MODE_CODE_OK_FOR_BASE_P,
7027         REGNO_OK_FOR_INDEX_P): Delete non-strict variant.
7028         (REG_OK_STRICT): Move description.
7029
7030 2010-10-29  Paul Koning  <ni1d@arrl.net>
7031
7032         * config/pdp11/pdp11.md (*and<mode>): Rename to *bic<mode>.
7033
7034 2010-10-29  Paul Koning  <ni1d@arrl.net>
7035
7036         * config/pdp11/pdp11.md (divhi3, modhi3, divmodhi3): Fix ICE.
7037
7038 2010-10-29  Paul Koning  <ni1d@arrl.net>
7039
7040         PR/41822
7041         * config/pdp11/pdp11.md (andhi3, andqi3): Fix wrong code error.
7042
7043 2010-10-29  Richard Henderson  <rth@redhat.com>
7044
7045         PR rtl-opt/46226
7046         * stmt.c (expand_asm_operands): Call do_pending_stack_adjust
7047         for asm goto.
7048
7049 2010-10-29  Paul Koning  <ni1d@arrl.net>
7050
7051         * config/pdp11/pdp11.c (output_move_quad): Fix ICE for CPU
7052         register to register move.
7053
7054 2010-10-29  Paul Koning  <ni1d@arrl.net>
7055
7056         * config/pdp11/pdp11.c (print_operand_address): Correct handling
7057         of integer constant addresses, delete vax-only logic.
7058
7059 2010-10-11  Hariharan Sandanagobalane  <hariharan@picochip.com>
7060
7061         * config/picochip/picochip.c (picochip_is_short_branch): Simplify
7062         a conditional expression.
7063
7064 2010-10-29  Paul Koning  <ni1d@arrl.net>
7065
7066         * config/pdp11/pdp11.c (pdp11_trampoline_init): Correct
7067         instruction encoding.
7068
7069 2010-10-29  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
7070             Andrew Pinski  <pinskia@gmail.com>
7071
7072         * tree.h (build_vector_from_val): Declare.
7073         * tree.c (build_vector_from_val): New function.
7074         * c-typeck.c (build_binary_op): Handle vector shifting.
7075         * doc/extend.texi: Description of the vector shifting operation.
7076
7077 2010-10-29  Paul Koning  <pkoning@equallogic.com>
7078
7079         * config/pdp11/pdp11-protos.h (pdp11_cannot_change_mode_class,
7080         pdp11_secondary_memory_needed): Declare.
7081         * config/pdp11/predicates.md (float_operand): New predicate.
7082         * config/pdp11/pdp11.md (RETVAL_REGNUM): New constant.
7083         (cbranchdf4, movdf): Change predicate.
7084         (movsf): Handle FPU register case.
7085         (truncdfsf2, extendsfdf2): Add FPU register case.
7086         * config/pdp11/pdp11.c (TARGET_SECONDARY_RELOAD,
7087         TARGET_REGISTER_MOVE_COST, TARGET_PREFERRED_RELOAD_CLASS,
7088         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
7089         (pdp11_register_move_cost): Update cost matrix.
7090         (pdp11_cannot_change_mode_class, pdp11_preferred_reload_class,
7091         pdp11_preferred_output_reload_class, pdp11_secondary_reload,
7092         pdp11_secondary_memory_needed): New function.
7093         (pdp11_return_in_memory): Add other float types.
7094         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Add other float types.
7095         (SECONDARY_MEMORY_NEEDED, CANNOT_CHANGE_MODE_CLASS): Define.
7096         (PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS,
7097         REGISTER_MOVE_COST): Delete.
7098         (BASE_RETURN_VALUE_REG): Add other float types.
7099
7100 2010-10-29  Nick Clifton  <nickc@redhat.com>
7101
7102         * doc/invoke.texi: Document -mam34 and -mtune options.
7103         * config/mn10300/mn10300.c (mn10300_tune_string): New variable.
7104         (mn10300_tune_cpu): New variable.
7105         (mn10300_handle_option): Handle -mam34 and -mtune options.
7106         (mn10300_option_override): Convert tune string into tune cpu variable.
7107         (mn10300_legitimate_constant_p): Delete unused local variable.
7108         (is_load_insn): New function.
7109         (is_store_insn): New function.
7110         (mn10300_adjust_schedule_cost): New function.
7111         (TARGET_SCHED_ADJUST_COST): Define.
7112         * config/mn10300/mn10300.opt (mam34): New option.
7113         (mtune): New option.
7114         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add AM34 support.
7115         (enum processor_type): Add AM34.
7116         (TARGET_AM34): Define.
7117         * config/mn10300/mn10300.md (attr cpu): Add am34.
7118         Add pipeline description.
7119         (movqi, movhi, movsi, movsf, movdf, movdi): Fix predicates.
7120         Remove unneeded alternatives.  Add timing attribute.
7121         (pop_pic_reg, am33_addsi3, mn10300_addsi3, am33_subsi3,
7122         mn10300_subsi3, mulsidi3, umulsidi3, am33_mulsi3,
7123         mn10300_mulsi3, udivmodsi4_am33, divmodsi4, am33_andsi3,
7124         mn10300_andsi3, am33_iorsi3, mn10300_iorsi3, am33_xorsi3,
7125         mn10300_xorsi3, byte_clear, byte_set, bit_clear1, bit_clear2,
7126         bit_set, am33_iorqi3, mn10300_iorqi3, test_byte_bitfield,
7127         bit_test, subreg_bit_test, cmpsi, am33_cmpsf, am33_subsi3,
7128         float_conditional_branch, jump, indirect_jump, tablejump,
7129         call_internal, call_value_internal, zero_extendqisi2_am33,
7130         zero_extendqisi2_mn10300, zero_extendhisi2_am33,
7131         zero_extendhisi2_mn10300, extendqisi2_am33, extendqisi2_mn10300,
7132         extendhisi2_am33, extendhisi2_mn10300, am33_ashlsi3,
7133         mn10300_ashlsi3, am33_lshrsi3, mn10300_lshrsi3, am33_ashrisi3,
7134         mn10300_ashrsi3, abssf2_am33_2, negsf2_am33_2, rsqrtsf2,
7135         addsf3_internal, subsf3_internal, mulsf3_internal, divsf3,
7136         fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4, return_internal,
7137         return_internal_regs, store_movm, return, call_next_insn):
7138         Add timing attribute.
7139         (am33_subsi3): Add missing clobber of CC_REG.
7140         (am33_andsi3, mn10300_andsi3): Fix compile time warnings.
7141         (udivmodsi4, udivmodsi4_insn, divmodsi4, test_byte_bitfield,
7142         subreg_bit_test, zero_extendqisi2, zero_extendhisi2,
7143         extendqisi2): Fix predicates.
7144         (call_internal, call_internal_value): Separate alternatives.
7145         * config/mn10300/t-mn10300: Add AM34 multilib.
7146
7147 2010-10-29  Paolo Bonzini  <bonzini@gnu.org>
7148
7149         * config/sh/sh.c (sh_promote_function_mode): Use
7150         default_promote_function_mode if !sh_promote_prototypes.
7151
7152 2010-10-28  Paolo Bonzini  <bonzini@gnu.org>
7153
7154         * recog.c (split_all_insns): Remove dead code.
7155
7156 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7157
7158         * score.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7159
7160 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7161
7162         * config/cris/cris.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Delete.
7163         (FUNCTION_ARG_ADVANCE): Delete.
7164         * config/cris/cris.c (cris_function_arg_1, cris_function_arg): New
7165         functions.
7166         (cris_function_incoming_arg, cris_function_arg_advance): New functions.
7167         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
7168         (TARGET_FUNCTION_ARG_ADVANCE): Define.
7169
7170 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7171
7172         * config/lm32/lm32-protos.h (lm32_function_arg): Delete.
7173         * config/lm32/lm32.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7174         * config/mcore/mcore.c (mcore_function_arg): Declare.  Make static.
7175         Take a const_tree and a bool.
7176         (mcore_function_arg_advance): New function.
7177         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7178
7179 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7180
7181         * config/mcore/mcore-protos.h (mcore_function_arg): Delete.
7182         * config/mcore/mcore.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7183         * config/mcore/mcore.c (mcore_function_arg): Declare.  Make static.
7184         Take a const_tree and a bool.
7185         (mcore_function_arg_advance): New function.
7186         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7187
7188 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7189
7190         * config/h8300/h8300-protos.h (function_arg): Delete.
7191         * config/h8300/h8300.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7192         * config/h8300/h8300.c (function_arg): Rename to...
7193         (h8300_function_arg): ...this.  Make static.  Take a const_tree and
7194         a bool.
7195         (h8300_function_arg_advance): New function.
7196         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7197
7198 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7199
7200         * config/arc/arc.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Move code
7201         to...
7202         * config/arc/arc.c (arc_function_arg): ...here and...
7203         (arc_function_arg_advance): ...here.  New functions.
7204         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7205
7206 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7207
7208         * config/crx/crx-protos.h (crx_function_arg): Delete.
7209         (crx_function_arg_advance): Delete.
7210         * config/crx/crx.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7211         * config/crx/crx.c (crx_function_arg): Make static.  Take a
7212         const_tree and a bool.
7213         (crx_function_arg_advance): Make static.  Take a const_tree and a bool.
7214         (enough_regs_for_param): Take a const_tree.
7215         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7216
7217 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7218
7219         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg): Delete.
7220         (m68hc11_function_arg_advance): Delete.
7221         * config/m68hc11/m68hc11.h (FUNCTION_ARG): Delete.
7222         (FUNCTION_ARG_ADVANCE): Delete.
7223         * config/m68hc11/m68hc11.c (m68hc11_function_arg): Make static.
7224         Take a const_tree and a bool.
7225         (m68hc11_function_arg_advance): Likewise.
7226         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7227
7228 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7229
7230         * config/stormy16/stormy16-protos.h (xstormy16_function_arg): Delete.
7231         (xstormy16_function_arg_advance): Delete.
7232         * config/stormy16/stormy16.h (FUNCTION_ARG): Delete.
7233         (FUNCTION_ARG_ADVANCE): Delete.
7234         * config/stormy16/stormy16.c (xstormy16_function_arg): Make static.
7235         Take a const_tree and a bool.
7236         (xstormy16_function_arg_advance): Likewise.  Return void, updating
7237         the CUM parameter instead.
7238         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7239
7240 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7241
7242         * config/moxie/moxie-protos.h (moxie_function_arg): Delete.
7243         * config/moxie/moxie.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7244         (MOXIE_FUNCTION_ARG_SIZE): Move to...
7245         * config/moxie/moxie.c (MOXIE_FUNCTION_ARG_SIZE): ...here.
7246         (moxie_function_arg): Make static.  Take a const_tree and a bool.
7247         (moxie_function_arg_advance): New function.
7248         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7249
7250 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7251
7252         * config/mn10300/mn10300-protos.h (function_arg): Delete.
7253         * config/mn10300/mn10300.h (FUNCTION_ARG): Delete.
7254         (FUNCTION_ARG_ADVANCE): Delete.
7255         * config/mn10300/mn10300.c (function_arg): Rename to...
7256         (mn10300_function_arg): ...this.  Make static.  Take a const_tree
7257         and a bool.
7258         (mn10300_function_arg_advance): New function.
7259         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7260
7261 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7262
7263         * config/iq2000/iq2000-protos.h (function_arg): Delete.
7264         (function_arg_advance): Delete.
7265         * config/iq2000/iq2000.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7266         * config/iq2000/iq2000.c (function_arg): Rename to...
7267         (iq2000_function_arg): ...this.  Make static.  Take a const_tree and
7268         a bool.
7269         (function_arg_advance): Rename to...
7270         (iq2000_function_arg_advance): ...this.  Make static.  Take a
7271         const_tree and a bool.
7272         (iq2000_expand_prologue): Call iq2000_function_arg_advance and
7273         iq2000_function_arg.
7274         (iq2000_pass_by_reference): Call iq2000_function_arg).
7275         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7276
7277 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7278
7279         * config/fr30/fr30-protos.h (fr30_num_arg_regs): Delete.
7280         * config/fr30/fr30.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7281         * config/fr30/fr30.c (fr30_num_arg_regs): Make static.  Take a
7282         const_tree.
7283         (fr30_function_arg): New function.
7284         (fr30_function_arg_advance): New function.
7285         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
7286
7287 2010-10-28  Nathan Froyd  <froydnj@codesourcery.com>
7288
7289         * config/frv/frv-protos.h (frv_function_arg): Delete.
7290         (frv_function_arg_advance): Delete.
7291         * config/frv/frv.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
7292         * config/frv/frv.c (frv_function_arg): Rename to...
7293         (frv_function_arg_1): Make static.  Take const_tree and bool arguments.
7294         (frv_function_arg, frv_function_incoming_arg): New functions.
7295         (frv_function_arg_advance): Make static.  Take a const_tree and a bool.
7296         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
7297         (TARGET_FUNCTION_ARG_ADVANCE): Define.
7298
7299 2010-10-28  Uros Bizjak  <ubizjak@gmail.com>
7300
7301         PR target/46153
7302         * config/i386/sse.md (sse_movhlps_exp): Use destination
7303         returned from ix86_fixup_binary_operands to expand insn.
7304         (sse_movlhps_exp): Ditto.
7305         (sse_loadhps_exp): Ditto.
7306         (sse_loadlps_exp): Ditto.
7307         (sse2_loadhpd_exp): Ditto.
7308         (sse2_loadlpd_exp): Ditto.
7309
7310 2010-10-28  Andrew Stubbs  <ams@codesourcery.com>
7311
7312         * config/arm/arm.c (const_ok_for_arm): Support 0xXY00XY00 pattern
7313         constants in thumb2.
7314
7315 2010-10-28  Eric Botcazou  <ebotcazou@adacore.com>
7316
7317         * combine.c (set_nonzero_bits_and_sign_copies): Use unsigned
7318         arithmetics in masking operations.
7319         (contains_muldiv): Likewise.
7320         (try_combine): Likewise.
7321         (find_split_point): Likewise.
7322         (combine_simplify_rtx): Likewise.
7323         (simplify_if_then_else): Likewise.
7324         (simplify_set): Likewise.
7325         (expand_compound_operation): Likewise.
7326         (expand_field_assignment): Likewise.
7327         (make_extraction): Likewise.
7328         (extract_left_shift): Likewise.
7329         (make_compound_operation): Likewise.
7330         (force_to_mode): Likewise.
7331         (make_field_assignment): Likewise.
7332         (reg_nonzero_bits_for_combine): Likewise.
7333         (simplify_shift_const_1): Likewise.
7334         (simplify_comparison): Likewise.
7335
7336 2010-10-27  Nathan Froyd  <froydnj@codesourcery.com>
7337
7338         * config/ia64/ia64-protos.h (ia64_function_arg): Delete.
7339         (ia64_function_arg_advance): Delete.
7340         * config/ia64/ia64.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Delete.
7341         (FUNCTION_ARG_ADVANCE): Delete.
7342         * config/ia64/ia64.c (ia64_function_arg): Rename to...
7343         (ia64_function_arg_1): ...this.  Make static.  Take const_tree and
7344         bool arguments.
7345         (ia64_function_arg, ia64_function_incoming_arg): New functions.
7346         (ia64_function_arg_advance): Make static.  Take a const_tree and
7347         a bool.
7348         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
7349         (TARGET_FUNCTION_ARG_ADVANCE): Define.
7350
7351 2010-10-27  Steve Ellcey  <sje@cup.hp.com>
7352
7353         * doc/tm.texi.in (TARGET_GET_RAW_RESULT_MODE): New.
7354         (TARGET_GET_RAW_ARG_MODE): New.
7355         * doc/tm.texi: Regenerate.
7356         * target.def (get_raw_result_mode): New.
7357         (get_raw_arg_mode): New.
7358         * targhooks.c (default_get_reg_raw_mode): New.
7359         * targhooks.h (default_get_reg_raw_mode): New.
7360         * builtins.c (apply_args_size): Use targetm.calls.get_raw_arg_mode.
7361         (apply_result_size): Ditto.
7362         * config/ia64/ia64.c (ia64_get_reg_raw_mode): New.
7363         (TARGET_GET_RAW_RESULT_MODE): Define.
7364         (TARGET_GET_RAW_ARG_MODE): Ditto.
7365
7366 2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>
7367
7368         * config/sparc/sol2-unwind.h (sparc64_fallback_frame_state): Adjust
7369         for newer Solaris 10 release.
7370         (sparc_fallback_frame_state): Likewise.
7371
7372 2010-10-27  Jason Merrill  <jason@redhat.com>
7373
7374         * gimplify.c (gimplify_decl_expr): Handle anonymous artificial
7375         variables sooner.
7376
7377 2010-10-27  Jie Zhang  <jie@codesourcery.com>
7378             Maxim Kuvyrkov  <maxim@codesourcery.com>
7379
7380         * haifa-sched.c (ISSUE_POINTS): Remove.
7381         (max_issue): Don't issue more than issue_rate instructions.
7382
7383 2010-10-27  Ian Lance Taylor  <iant@google.com>
7384
7385         PR target/46197
7386         * config/i386/i386.md (UNSPECV_SPLIT_STACK_RETURN): New.
7387         (split_stack_return): Replace UNSPEC_STACK_CHECK with
7388         UNSPECV_SPLIT_STACK_RETURN.
7389
7390 2010-10-27  H.J. Lu  <hongjiu.lu@intel.com>
7391
7392         * config/i386/i386-protos.h (init_cumulative_args): Add an int.
7393
7394         * config/i386/i386.c (block_info): New.
7395         (BLOCK_INFO): Likewise.
7396         (call_avx256_state): Likewise.
7397         (check_avx256_stores): Likewise.
7398         (move_or_delete_vzeroupper_2): Likewise.
7399         (move_or_delete_vzeroupper_1): Likewise.
7400         (move_or_delete_vzeroupper): Likewise.
7401         (use_avx256_p): Likewise.
7402         (function_pass_avx256_p): Likewise.
7403         (flag_opts): Add -mvzeroupper.
7404         (ix86_option_override_internal): Turn on MASK_VZEROUPPER by
7405         default for TARGET_AVX.  Turn off MASK_VZEROUPPER if TARGET_AVX
7406         is disabled.
7407         (ix86_function_ok_for_sibcall): Disable sibcall if we need to
7408         generate vzeroupper.
7409         (init_cumulative_args): Add an int to indicate caller.  Set
7410         use_avx256_p, callee_return_avx256_p and caller_use_avx256_p
7411         based on return type.
7412         (ix86_function_arg): Set use_avx256_p, callee_pass_avx256_p and
7413         caller_pass_avx256_p based on argument type.
7414         (ix86_expand_epilogue): Emit vzeroupper if 256bit AVX register
7415         is used, but not returned by caller.
7416         (ix86_expand_call): Emit vzeroupper if 256bit AVX register is used.
7417         (ix86_local_alignment): Set use_avx256_p if 256bit AVX register
7418         is used.
7419         (ix86_minimum_alignment): Likewise.
7420         (ix86_expand_special_args_builtin): Set target to
7421         GEN_INT (vzeroupper_intrinsic) for CODE_FOR_avx_vzeroupper.
7422         (ix86_reorg): Run the vzeroupper optimization if needed.
7423
7424         * config/i386/i386.h (ix86_args): Add caller.
7425         (INIT_CUMULATIVE_ARGS): Updated.
7426         (machine_function): Add use_vzeroupper_p, use_avx256_p,
7427         caller_pass_avx256_p, caller_return_avx256_p,
7428         callee_pass_avx256_p and callee_return_avx256_p.
7429
7430         * config/i386/i386.opt (-mvzeroupper): New.
7431
7432         * config/i386/predicates.md (vzeroupper_operation): Removed.
7433
7434         * config/i386/sse.md (avx_vzeroupper): Removed.
7435         (*avx_vzeroupper): Removed.
7436         (avx_vzeroupper): New.
7437
7438         * doc/invoke.texi: Document -mvzeroupper.
7439
7440 2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>
7441
7442         * config/i386/t-mingw32 (SHLIB_LC): Add -lmingwthrd.
7443         * config/i386/t-mingw-w32 (SHLIB_LC): Likewise.
7444         * config/i386/t-mingw-w64 (SHLIB_LC): Likewise.
7445
7446 2010-10-27  Eric Botcazou  <ebotcazou@adacore.com>
7447             Olivier Hainque  <hainque@adacore.com>
7448
7449         * config/i386/w32-unwind.h (i386_w32_fallback_frame_state): Fix regnum
7450         of EBP.  Do not restore reg #9.  Remove +1 adjustment to EIP and set
7451         fs->signal_frame instead.
7452
7453 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
7454
7455         * c-parser.c (cp_parser_objc_at_property_declaration): Removed
7456         parsing of RID_COPIES and RID_IVAR.
7457
7458 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
7459
7460         * c-parser.c (c_parser_objc_at_property_declaration): Recognize
7461         RID_ASSIGN, RID_COPY, RID_RETAIN, RID_READWRITE and RID_NONATOMIC.
7462         Do not use objc_set_property_attr, but use local variables
7463         instead.  Detect repeated usage of setter, getter and ivar
7464         attributes.  Improved error processing when a setter name does not
7465         end in ':'.  Do not check for CPP_CLOSE_PAREN after we determined
7466         that the token is a keyword.  Updated call to
7467         objc_add_property_declaration.
7468
7469 2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>
7470
7471         * c-parser.c (c_parser_objc_at_property): Renamed to
7472         c_parser_objc_at_property_declaration.  Updated calls to
7473         objc_add_property_variable, now objc_add_property_declaration.
7474         Code rewritten to be much more robust in recovering from syntax
7475         errors.  Added comments.
7476         (c_parser_objc_property_attrlist): Removed.
7477         (c_parser_external_declaration): Updated calls to
7478         c_parser_objc_at_property, now
7479         c_parser_objc_at_property_declaration.
7480         (c_parser_objc_methodprotolist): Same change.
7481
7482 2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>
7483
7484         * config/i386/i386.md (split_stack_return): Put back unspec_volatile.
7485
7486 2010-10-26  Jan Hubicka  <jh@suse.cz>
7487
7488         * ipa.c (process_references): Enqueue all referenced nodes;
7489         mark as reachable only non-external nodes.
7490         (cgraph_remove_unreachable_nodes): All referenced nodes should
7491         be enqueued; remove bogues node->needed check.
7492
7493 2010-10-26  Jan Hubicka  <jh@suse.cz>
7494
7495         * cgraphbuild.c (build_cgraph_edges): Use ipa-reference
7496         to represent OMP.
7497
7498 2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>
7499
7500         * config/i386/i386.md (split_stack_return): Replace
7501         unspec_volatile with unspec.
7502
7503 2010-10-26  Jonathan Wakely  <jwakely.gcc@gmail.com>
7504
7505         * doc/install.texi: Fix typo in --with-sysroot description.
7506
7507 2010-10-26  Jan Hubicka  <jh@suse.cz>
7508
7509         * ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p):
7510         Use info provided by linker plugin.
7511
7512 2010-10-26  Jason Merrill  <jason@redhat.com>
7513
7514         * varasm.c (constructor_static_from_elts_p): Don't require a
7515         CONSTRUCTOR to have elements to be suitable for static
7516         initialization.  Allow ARRAY_TYPE as well.
7517
7518 2010-10-26  Jan Hubicka  <jh@suse.cz>
7519
7520         PR middle-end/45736
7521         * cgraph.c (cgraph_set_readonly_flag): Rename to...
7522         (cgraph_set_const_flags) ... this one; get also looping argument;
7523         clear constructor/destructor flags.
7524         (cgraph_set_pure_flag): Likewise.
7525         (cgraph_set_looping_const_or_pure_flag): Remove.
7526         (cgraph_can_remove_if_no_direct_calls_and_refs): Do not try
7527         to optimize away static ctors/dtors; it does not work on inline clones;
7528         external functions can always be rmeoved.
7529         (cgraph_will_be_removed_from_program_if_no_direct_calls): Assert on
7530         inline clones; in LTO external functions always can go.
7531         (cgraph_used_from_object_file_p): Handle EXTERNAL functions correctly.
7532         (cgraph_mark_address_taken_node): Assert that we are not taking
7533         address of inline clone.
7534         (cgraph_can_remove_if_no_direct_calls_p): We always eventually remove
7535         external functions.
7536         * ipa-cp.c (ipcp_cloning_candidate_p): Do not clone functions with
7537         address taken.
7538         (ipcp_initialize_node_lattices): Only local functions can be
7539         handled without cloning.
7540         * cgraph.h (cgraph_set_readonly_flag,
7541         cgraph_set_looping_const_or_pure_flag): Remove.
7542         (cgraph_set_const_flag): Declare.
7543         (cgraph_set_pure_flag): Update.
7544         * ipa-pure-const (propagate_pure_const, local_pure_const): Update
7545         flags setting code.
7546         * ipa.c (cgraph_remove_unreachable_nodes): Fix formating; do not
7547         look at inline clones; fix handling of external definitions.
7548         (cgraph_postorder): Do not look at inline clones in the first pass.
7549         (function_and_variable_visibility): Drop constructors/destructor
7550         flags at pure and const functions.
7551         * tree-profile.c (tree_profiling): Update.
7552         * ipa-inline.c (cgraph_clone_inlined_nodes): Always clone functions with
7553         address taken; external functions do not account to whole program size.
7554         (cgraph_decide_inlining): Likewise; do not try to inline
7555         functions already inlined.
7556
7557 2010-10-26  Jie Zhang  <jie@codesourcery.com>
7558
7559         * doc/invoke.texi: Improve documentation of
7560         -fstrict-volatile-bitfields.
7561
7562 2010-10-26  Ira Rosen  <irar@il.ibm.com>
7563
7564         PR tree-optimization/46167
7565         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check that there
7566         is basic block for the statement.
7567
7568 2010-10-26  Paul Koning  <ni1d@arrl.net>
7569
7570         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Update to
7571         current definition of struct_real_format.
7572
7573 2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>
7574
7575         PR target/44948
7576         * config/i386/i386.c (ix86_old_function_arg_boundary): New.
7577         (ix86_function_arg_boundary): Always align parameters on stack
7578         in 64bit and align parameters with alignment >= 16byte on stack
7579         in 32bit.  Warn alignment change.
7580
7581 2010-10-26  Ian Lance Taylor  <iant@google.com>
7582
7583         PR middle-end/45687
7584         * ipa-prop.c (ipa_modify_call_arguments): Correct type of MEM_REF
7585         offset.
7586
7587 2010-10-25  Rodrigo Rivas Costa  <rodrigorivascosta@gmail.com>
7588
7589         Implement opaque-enum-specifiesr for C++0x
7590         * tree.h (ENUM_IS_OPAQUE): New.
7591         * dwarf2out.c (gen_enumeration_type_die): Use ENUM_IS_OPAQUE.
7592
7593 2010-10-26  Jie Zhang  <jie@codesourcery.com>
7594
7595         * stor-layout.c (layout_decl): Use the field's type to
7596         determine the mode and keep DECL_BIT_FIELD for a volatile bit-field.
7597         * config/arm/arm.c (arm_override_options): Default to
7598         -fstrict-volatile-bitfields.
7599
7600 2010-10-25  Paul Koning  <ni1d@arrl.net>
7601
7602         * config/pdp11/pdp11.md: Add define_constants for register
7603         numbers, branch offset limits.
7604         * config/pdp11/pdp11.c: Use named constants instead of numbers.
7605         * config/pdp11.pdp11.h: Ditto.
7606
7607 2010-10-25  Eric Botcazou  <ebotcazou@adacore.com>
7608
7609         * configure.ac: Use $cpu_type instead of $target to define the nop.
7610         * configure: Regenerate.
7611
7612 2010-10-25  Jie Zhang  <jie@codesourcery.com>
7613
7614         * combine.c (try_combine): If insns need to be kept around, check that
7615         they can be copied in the merged instruction.
7616
7617 2010-10-24  Eric Botcazou  <ebotcazou@adacore.com>
7618
7619         * reg-stack.c (convert_regs_1): Return boolean value, true if the CFG
7620         has been modified.
7621         (convert_regs_2): Likewise.  Adjust calls to convert_regs_1.
7622         (convert_regs): Adjust calls to convert_regs_2.  Clean up the CFG if
7623         it has been modified.
7624
7625 2010-10-24  Eric Botcazou  <ebotcazou@adacore.com>
7626
7627         * config/sparc/sparc.c (sparc_type_code) <NULLPTR_TYPE>: New case.
7628
7629 2010-10-24  Paul Koning  <ni1d@arrl.net>
7630
7631         * config/pdp11/pdp11.md: Change length attribute to be in bytes.
7632         * config/pdp11/pdp11.c (output_jump): Ditto.
7633
7634 2010-10-24  Ian Lance Taylor  <iant@google.com>
7635
7636         * config/i386/i386.c (ix86_va_start): Remove extraneous blank line.
7637
7638 2010-10-24  Eric Botcazou  <ebotcazou@adacore.com>
7639
7640         * cfglayout.c (fixup_reorder_chain): When ensuring that there is at
7641         least one insn with a locus corresponding to an edge's goto_locus,
7642         disregard non-fallthru edges to the exit block and merge the blocks
7643         created for the same goto_locus.
7644
7645 2010-10-23  Joseph Myers  <joseph@codesourcery.com>
7646
7647         * gcc.c (n_switches_alloc_debug_check): New.
7648         (set_option_handlers): New.
7649         (process_command): Use set_option_handlers.
7650         (do_self_spec): Pass spec-generated options through option handlers.
7651         (main): Also save and restore n_switches_alloc when swapping
7652         switch arrays.
7653
7654 2010-10-23  Richard Henderson  <rth@redhat.com>
7655
7656         PR target/46144
7657         * config/i386/sse.md (*avx_absneg<AVXMODEF2P>2): New.
7658         (*sse_absneg<SSEMODEF2P>2): Rename from *absneg<VEC_FLOAT_MODE>2.
7659         Honor matching operands when splitting to XOR.
7660
7661 2010-10-23  Ian Lance Taylor  <iant@google.com>
7662
7663         * tree-vrp.c (extract_range_from_binary_expr): If
7664         flag_non_call_exceptions don't eliminate division by zero.
7665         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
7666
7667 2010-10-23  Nathan Froyd  <froydnj@codesourcery.com>
7668
7669         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
7670         __BYTE_ORDER__, __ORDER_LITTLE_ENDIAN__, __ORDER_BIG_ENDIAN__, and
7671         __ORDER_PDP_ENDIAN__.
7672         * libgcc2.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7673         (struct DWstruct): Define based on __BYTE_ORDER__.
7674         * config/fixed-bit.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7675         (struct INTstruct): Define based on __BYTE_ORDER__.
7676         * config/dfp-bit.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7677         (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Test __BYTE_ORDER__.
7678         * system.h (LIBGCC2_WORDS_BIG_ENDIAN): Poison identifier.
7679         * config/arc/arc.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7680         * config/arm/arm.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7681         * config/ia64/ia64.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7682         * config/iq2000/iq2000.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7683         * config/lm32/lm32.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7684         * config/m32r/m32r.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7685         * config/mcore/mcore.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7686         * config/mep/mep.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7687         * config/mips/mips.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7688         * config/rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7689         * config/rx/rx.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7690         * config/score/score.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7691         * config/sh/sh.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7692         * config/sparc/sparc.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7693         * config/xtensa/xtensa.h (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7694         * doc/tm.texi.in (LIBGCC2_WORDS_BIG_ENDIAN): Delete.
7695         * doc/tm.texi: Regenerate.
7696         * doc/cpp.texi (__BYTE_ORDER__, __ORDER_LITTLE_ENDIAN__): Document.
7697         (__ORDER_BIG_ENDIAN__, __ORDER_PDP_ENDIAN__): Likewise.
7698
7699 2010-10-23  Jie Zhang  <jie@codesourcery.com>
7700
7701         PR rtl-optimization/37360
7702         * config/mips/mips.c (cached_can_issue_more): New local variable.
7703         (mips_sched_reorder_1): New.
7704         (mips_sched_reorder): Use mips_sched_reorder_1.
7705         (mips_sched_reorder2): New.
7706         (mips_variable_issue): Set cached_can_issue_more.
7707         (TARGET_SCHED_REORDER2): Define to mips_sched_reorder2
7708         instead of mips_sched_reorder.
7709
7710         Revert:
7711         2008-09-09  Andrey Belevantsev  <abel@ispras.ru>
7712         PR rtl-optimization/37360
7713         * haifa-sched.c (max_issue): Do not assert that we never issue more
7714         insns than issue_rate.  Add comment.
7715
7716 2010-10-22  Eric Botcazou  <ebotcazou@adacore.com>
7717
7718         * gimplify.c (gimplify_variable_sized_compare): Preserve the source
7719         location info of the expression.
7720
7721 2010-10-22  DJ Delorie  <dj@redhat.com>
7722
7723         * doc/extend.texi (Named Address Spaces): Document the M32C named
7724         address space.
7725
7726         * config/m32c/m32c-pragma.c (m32c_register_pragmas): Register the
7727         __far address space.
7728         * config/m32c/m32c.h (ADDR_SPACE_FAR): New.  Add support for
7729         "__far" address space for R8C and M16C processor variants.
7730         * config/m32c/m32c.c (m32c_addr_space_legitimate_address_p): New.
7731         (far_addr_space_p): New.
7732         (encode_pattern_1): Add sign and zero extend support.
7733         (m32c_hard_regno_nregs_1): Large pointers in A16 mode are SImode.
7734         (m32c_extra_constraint_p2): Add SF constraint.
7735         (m32c_legitimate_address_p): Support __far addresses.
7736         (m32c_addr_space_pointer_mode): New.
7737         (m32c_addr_space_address_mode): New.
7738         (m32c_addr_space_legitimate_address_p): New.
7739         (m32c_addr_space_legitimize_address): New.
7740         (m32c_addr_space_subset_p): New.
7741         (m32c_addr_space_convert): New.
7742         (conversions): Add __far operand patterns.
7743         (m32c_prepare_move): Force constants into registers for __far moves.
7744         (m32c_split_move): __far moves are always split.
7745         * config/m32c/addsub.md (addsi3_1): Support SImode symbols.
7746         * config/m32c/mov.md (mov<mode>_far_op1): New.
7747         (mov<mode>_far_op2): New.
7748         (movqi_op): Add __far (SF) support.
7749         (movhi_op): Likewise.
7750         (movsi_splittable): Split A1A0 also.
7751
7752 2010-10-22  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
7753             Andrew Pinski  <pinskia@gmail.com>
7754
7755         * c-typeck.c (build_array_ref): Handle subscripting of vectors.
7756         * doc/extend.texi: New paragraph
7757
7758 2010-10-22  Paul Koning  <ni1d@arrl.net>
7759
7760         * config.pdp11/pdp11.h (DBX_DEBUGGING_INFO): Define.
7761
7762 2010-10-22  DJ Delorie  <dj@redhat.com>
7763
7764         * config/m32c/m32c-lib1.S (m32c_jsri16): Make reentrant.
7765
7766 2010-10-22  Paul Koning  <ni1d@arrl.net>
7767
7768         * config/pdp11/pdp11.h (IRA_COVER_CLASSES): Define.
7769
7770 2010-10-22  Richard Henderson  <rth@redhat.com>
7771
7772         * config/i386/i386.c (ix86_builtin_vectorized_function): Add
7773         cases for __builtin_fma and __builtin_fmaf.
7774
7775 2010-10-22  Richard Henderson  <rth@redhat.com>
7776
7777         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Produce
7778         NEG+USE for vectors as well.
7779         * config/i386/i386.md (*absneg<VEC_FLOAT_MODE>2): New pattern
7780         and splitter.
7781
7782 2010-10-22  Joseph Myers  <joseph@codesourcery.com>
7783
7784         * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION,
7785         SWITCH_CURTAILS_COMPILATION): Remove.
7786         * doc/tm.texi.in (SWITCH_CURTAILS_COMPILATION): Remove documentation.
7787         * doc/tm.texi: Regenerate.
7788         * system.h (SWITCH_CURTAILS_COMPILATION): Poison.
7789
7790 2010-10-22  Changpeng Fang  <changpeng.fang@amd.com>
7791
7792         * config/i386/bdver1.md: New file.
7793         * config/i386/i386.md (include "bdver1.md"): Invoke the
7794         pipeline description for bdver1.
7795         (x86_sahf_1): Add "bdver1_decode" attribute.
7796         (*cmpfp_i_mixed): Likewise.
7797         (*cmpfp_i_sse): Likewise.
7798         (*cmpfp_i_i387): Likewise.
7799         (*cmpfp_iu_mixed): Likewise.
7800         (*cmpfp_iu_sse): Likewise.
7801         (*cmpfp_iu_387): Likewise.
7802         (*swap<mode>,*swap<mode>_1): Likewise.
7803         (fixuns_trunc<mode>hi2): Likewise.
7804         (fix_trunc<mode>si_sse): Likewise.
7805         (x86_fnstcw_1): Likewise.
7806         (x86_fldcw_1): Likewise.
7807         (*floatsi<mode>2_vector_mixed_with_temp): Likewise.
7808         (*floatsi<mode>2_vector_mixed): Likewise.
7809         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Likewise.
7810         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
7811         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
7812         (*floatsi<mode>2_vector_sse_with_temp): Likewise.
7813         (*floatsi<mode>2_vector_sse): Likewise.
7814         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Likewise.
7815         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
7816         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
7817         (*mul<mode>3_1): Likewise.
7818         (*mulsi3_1_zext): Likewise.
7819         (*mulhi3_1): Likewise.
7820         (*mulqi3_1): Likewise.
7821         (*<u>mul<mode><dwi>3_1): Likewise.
7822         (*<u>mulqihi3_1): Likewise.
7823         (*<s>muldi3_highpart_1): Likewise.
7824         (*<s>mulsi3_highpart_1): Likewise.
7825         (*<s>mulsi3_highpart_zext): Likewise.
7826         (x86_64_shld): Likewise.
7827         (x86_shld): Likewise.
7828         (x86_64_shrd): Likewise.
7829         (x86_shrd): Likewise.
7830         (sqrtxf2): Likewise.
7831         (sqrt_extend<mode>xf2_i387): Likewise.
7832         (*sqrt<mode>2_sse): Likewise.
7833         * config/i386/sse.md (sse_cvtsi2ss): Add "bdver1_decode" attribute.
7834         (sse_cvtsi2ssq): Likewise.
7835         (sse_cvtss2si): Likewise.
7836         (sse_cvtss2si_2): Likewise.
7837         (sse_cvtss2siq): Likewise.
7838         (sse_cvtss2siq_2): Likewise.
7839         (sse_cvttss2si): Likewise.
7840         (sse_cvttss2siq): Likewise.
7841         (sse2_cvtpi2pd): Likewise.
7842         (sse2_cvttpd2pi): Likewise.
7843         (sse2_cvtsi2sd): Likewise.
7844         (sse2_cvtsi2sdq): Likewise.
7845         (sse2_cvtsd2si): Likewise.
7846         (sse2_cvtsd2si_2): Likewise.
7847         (sse2_cvtsd2siq): Likewise.
7848         (sse2_cvtsd2siq_2): Likewise.
7849         (sse2_cvttsd2si): Likewise.
7850         (sse2_cvttsd2siq): Likewise.
7851         (*sse2_cvtpd2dq): Likewise.
7852         (*sse2_cvttpd2dq): Likewise.
7853         (sse2_cvtsd2ss): Likewise.
7854         (sse2_cvtss2sd): Likewise.
7855         (*sse2_cvtpd2ps): Likewise.
7856         (sse2_cvtps2pd): Likewise.
7857
7858 2010-10-22  Richard Guenther  <rguenther@suse.de>
7859
7860         PR middle-end/46137
7861         * gimple-fold.c (gimplify_and_update_call_from_tree): Properly
7862         remove the virtual operands if they are not needed.
7863
7864 2010-10-22  Changpeng Fang  <changpeng.fang@amd.com>
7865
7866         * config/i386/i386.c (processor_costs bdver1_cost): Update
7867         insn costs and architectural parameters for bdver1.
7868
7869 2010-10-22  Richard Guenther  <rguenther@suse.de>
7870
7871         * gimple.h (gimple_register_canonical_type): Declare.
7872         * gimple.c (gimple_canonical_types): New global hashtable.
7873         (struct gimple_type_leader_entry_s): New type.
7874         (gimple_type_leader): New global cache.
7875         (gimple_lookup_type_leader): New function.
7876         (gtc_visit): Query the proper cache.
7877         (gimple_types_compatible_p): Likewise.
7878         (gimple_register_type): Use the new cache instead of TYPE_CANONICAL.
7879         (gimple_canonical_type_eq): New function.
7880         (gimple_register_canonical_type): Likewise.
7881         (print_gimple_types_stats): Adjust for gimple_canonical_types.
7882         (free_gimple_type_tables): Likewise.  Free gimple_type_leader.
7883         * tree-ssa.c (useless_type_conversion_p): Do not dispatch to
7884         gimple_types_compatible_p for LTO.
7885
7886 2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
7887
7888         PR target/46098
7889         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
7890         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
7891         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
7892         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
7893         (<sse>_movu<ssemodesuffix>): New expander.
7894         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
7895         (avx_movdqu<avxmodesuffix>): New expander.
7896         (*sse2_movdqu): Rename from sse2_movdqu.
7897         (sse2_movdqu): New expander.
7898
7899 2010-10-22  Richard Guenther  <rguenther@suse.de>
7900
7901         PR tree-optimization/45720
7902         * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
7903         Handle negative step.
7904         (vect_enhance_data_refs_alignment): Likewise.
7905         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Likewise.
7906         (vect_create_cond_for_align_checks): Likewise.
7907         (vect_create_cond_for_alias_checks): Likewise.
7908
7909 2010-10-22  Ira Rosen  <irar@il.ibm.com>
7910
7911         PR tree-optimization/46126
7912         * tree-vect-stmts.c (vect_analyze_stmt): Pass NODE to
7913         vectorizable_shift in case of basic block vectorization.
7914
7915 2010-10-22  Joseph Myers  <joseph@codesourcery.com>
7916
7917         * target.h (enum opt_levels, struct default_options): New.
7918         * target.def (handle_ofast): Remove hook.
7919         (target_option.optimization): Change to
7920         target_option.optimization_table.
7921         * doc/tm.texi.in (TARGET_OPTION_OPTIMIZATION): Change to
7922         TARGET_OPTION_OPTIMIZATION_TABLE.
7923         (CAN_DEBUG_WITHOUT_FP): Remove.
7924         * doc/tm.texi: Regenerate.
7925         * opts.c (maybe_default_option, maybe_default_options,
7926         default_options_table): New.
7927         (default_options_optimization): Take extra parameters.  Don't
7928         assert that global_options and global_options_set are in use.  Use
7929         maybe_default_options.
7930         (decode_options): Pass extra parameters to
7931         default_options_optimization.
7932         * common.opt (falign-loops): Use value 0 with Var.
7933         (frerun-cse-after-loop, ftree-ter): Remove Init.
7934         * system.h (CAN_DEBUG_WITHOUT_FP, TARGET_HANDLE_OFAST,
7935         TARGET_OPTION_OPTIMIZATION): Remove.
7936         * targhooks.c (empty_optimization_table): New.
7937         * targhooks.h (empty_optimization_table): Declare.
7938         * toplev.c (process_options): Don't set flag_rerun_cse_after_loop.
7939         * config/alpha/alpha.c (alpha_option_optimization_table,
7940         TARGET_OPTION_OPTIMIZATION_TABLE): New.
7941         * config/alpha/alpha.h (CAN_DEBUG_WITHOUT_FP): Remove.
7942         * config/arm/arm.c (arm_option_optimization: Change to
7943         arm_option_optimization_table.
7944         (TARGET_OPTION_OPTIMIZATION): Change to
7945         TARGET_OPTION_OPTIMIZATION_TABLE.
7946         * config/arm/arm.h (CAN_DEBUG_WITHOUT_FP): Remove.
7947         * config/avr/avr.c (avr_option_optimization_table,
7948         TARGET_OPTION_OPTIMIZATION_TABLE): New.
7949         * config/avr/avr.h (CAN_DEBUG_WITHOUT_FP): Remove.
7950         * config/cris/cris.c (cris_option_optimization): Change to
7951         cris_option_optimization_table.
7952         (TARGET_OPTION_OPTIMIZATION): Change to
7953         TARGET_OPTION_OPTIMIZATION_TABLE.
7954         * config/crx/crx.c (crx_option_optimization): Change to
7955         crx_option_optimization_table.
7956         (TARGET_OPTION_OPTIMIZATION): Change to
7957         TARGET_OPTION_OPTIMIZATION_TABLE.
7958         * config/crx/crx.h (CAN_DEBUG_WITHOUT_FP): Remove.
7959         * config/fr30/fr30.c (fr30_option_optimization_table,
7960         TARGET_OPTION_OPTIMIZATION_TABLE): New.
7961         * config/fr30/fr30.h (CAN_DEBUG_WITHOUT_FP): Remove.
7962         * config/frv/frv.c (frv_option_optimization_table,
7963         TARGET_OPTION_OPTIMIZATION_TABLE): New.
7964         * config/frv/frv.h (CAN_DEBUG_WITHOUT_FP): Remove.
7965         * config/h8300/h8300.c (h8300_option_optimization): Change to
7966         h8300_option_optimization_table.
7967         (TARGET_OPTION_OPTIMIZATION): Change to
7968         TARGET_OPTION_OPTIMIZATION_TABLE.
7969         * config/h8300/h8300.h (CAN_DEBUG_WITHOUT_FP): Remove.
7970         * config/i386/i386.c (ix86_option_optimization): Change to
7971         ix86_option_optimization_table.
7972         (TARGET_OPTION_OPTIMIZATION): Change to
7973         TARGET_OPTION_OPTIMIZATION_TABLE.
7974         * config/i386/sol2-10.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define
7975         as initializer.
7976         * config/ia64/ia64.c (ia64_option_optimization): Change to
7977         ia64_option_optimization_table.
7978         (TARGET_OPTION_OPTIMIZATION): Change to
7979         TARGET_OPTION_OPTIMIZATION_TABLE.
7980         * config/ia64/ia64.h (CAN_DEBUG_WITHOUT_FP): Remove.
7981         * config/ia64/vms.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define as
7982         initializer.
7983         * config/iq2000/iq2000.c (iq2000_option_optimization_table,
7984         TARGET_OPTION_OPTIMIZATION_TABLE): New.
7985         * config/iq2000/iq2000.h (CAN_DEBUG_WITHOUT_FP): Remove.
7986         * config/lm32/lm32.c (lm32_option_optimization_table,
7987         TARGET_OPTION_OPTIMIZATION_TABLE): New.
7988         * config/lm32/lm32.h (CAN_DEBUG_WITHOUT_FP): Remove.
7989         * config/m32r/m32r.c (m32r_option_optimization): Change to
7990         m32r_option_optimization_table.
7991         (TARGET_OPTION_OPTIMIZATION): Change to
7992         TARGET_OPTION_OPTIMIZATION_TABLE.
7993         * config/m32r/m32r.h (SUBTARGET_OPTIMIZATION_OPTIONS,
7994         CAN_DEBUG_WITHOUT_FP): Remove.
7995         * config/mcore/mcore.c (mcore_option_optimization): Change to
7996         mcore_option_optimization_table.
7997         (TARGET_OPTION_OPTIMIZATION): Change to
7998         TARGET_OPTION_OPTIMIZATION_TABLE.
7999         * config/mep/mep.c (mep_option_optimization): Change to
8000         mep_option_optimization_table.
8001         (TARGET_OPTION_OPTIMIZATION): Change to
8002         TARGET_OPTION_OPTIMIZATION_TABLE.
8003         * config/mep/mep.h (CAN_DEBUG_WITHOUT_FP): Remove.
8004         * config/microblaze/microblaze.c
8005         (microblaze_option_optimization_table,
8006         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8007         * config/microblaze/microblaze.h (CAN_DEBUG_WITHOUT_FP): Remove.
8008         * config/mips/mips.c (mips_option_optimization_table,
8009         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8010         * config/mips/mips.h (CAN_DEBUG_WITHOUT_FP): Remove.
8011         * config/mmix/mmix.c (mmix_option_optimization): Change to
8012         mmix_option_optimization_table.
8013         (TARGET_OPTION_OPTIMIZATION): Change to
8014         TARGET_OPTION_OPTIMIZATION_TABLE.
8015         * config/mmix/mmix.h (CAN_DEBUG_WITHOUT_FP): Remove.
8016         * config/mn10300/mn10300.c (mn10300_option_optimization_table,
8017         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8018         * config/mn10300/mn10300.h (CAN_DEBUG_WITHOUT_FP): Remove.
8019         * config/pa/pa.c (pa_option_optimization_table,
8020         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8021         * config/pa/pa.h (CAN_DEBUG_WITHOUT_FP): Remove.
8022         * config/pdp11/pdp11.c (pdp11_option_optimization): Change to
8023         pdp11_option_optimization_table.
8024         (TARGET_OPTION_OPTIMIZATION): Change to
8025         TARGET_OPTION_OPTIMIZATION_TABLE.
8026         * config/picochip/picochip.c (picochip_option_optimization_table,
8027         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8028         * config/picochip/picochip.h (CAN_DEBUG_WITHOUT_FP): Remove.
8029         * config/rs6000/rs6000.c (rs6000_option_optimization_table,
8030         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8031         * config/rs6000/rs6000.h (CAN_DEBUG_WITHOUT_FP): Remove.
8032         * config/rx/rx.c (rx_option_optimization_table,
8033         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8034         * config/rx/rx.h (CAN_DEBUG_WITHOUT_FP): Remove.
8035         * config/s390/s390.c (s390_option_optimization): Change to
8036         s390_option_optimization_table.
8037         (s390_option_override): Update comment.
8038         (TARGET_OPTION_OPTIMIZATION): Change to
8039         TARGET_OPTION_OPTIMIZATION_TABLE.
8040         * config/s390/s390.h (CAN_DEBUG_WITHOUT_FP): Remove.
8041         * config/score/score.c (score_option_optimization_table,
8042         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8043         * config/score/score.h (CAN_DEBUG_WITHOUT_FP): Remove.
8044         * config/sh/sh.c (sh_option_optimization): Change to
8045         sh_option_optimization_table.
8046         (TARGET_OPTION_OPTIMIZATION): Change to
8047         TARGET_OPTION_OPTIMIZATION_TABLE.
8048         (sh_option_override): Set MASK_SAVE_ALL_TARGET_REGS here.
8049         (sh_option_override, expand_block_move, multcosts, find_barrier,
8050         barrier_align): Use optimize_size instead of TARGET_SMALLCODE.
8051         * config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Remove.
8052         (LOOP_ALIGN, TRAMPOLINE_ALIGNMENT, MOVE_BY_PIECES_P,
8053         STORE_BY_PIECES_P, SH_DYNAMIC_SHIFT_COST): Use optimize_size
8054         instead of TARGET_SMALLCODE.
8055         * config/sh/sh.opt (mspace): Make into an alias for -Os.
8056         * config/sparc/sparc.c (sparc_option_optimization_table,
8057         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8058         * config/sparc/sparc.h (CAN_DEBUG_WITHOUT_FP): Remove.
8059         * config/stormy16/stormy16.c (xstorym16_option_optimization_table,
8060         TARGET_OPTION_OPTIMIZATION_TABLE): New.
8061         * config/stormy16/stormy16.h (CAN_DEBUG_WITHOUT_FP): Remove.
8062         * config/v850/v850.c (v850_option_optimization): Change to
8063         v850_option_optimization_table.
8064         (TARGET_OPTION_OPTIMIZATION): Change to
8065         TARGET_OPTION_OPTIMIZATION_TABLE.
8066         * config/v850/v850.h (CAN_DEBUG_WITHOUT_FP): Remove.
8067         * config/xtensa/xtensa.c (xtensa_option_optimization): Change to
8068         xtensa_option_optimization_table.
8069         (TARGET_OPTION_OPTIMIZATION): Change to
8070         TARGET_OPTION_OPTIMIZATION_TABLE.
8071         * config/xtensa/xtensa.h (CAN_DEBUG_WITHOUT_FP): Remove.
8072
8073 2010-10-21  Iain Sandoe  <iains@gcc.gnu.org>
8074
8075         Based on the CFString implementation in FSF apple/trunk branch.
8076
8077         * target.def (objc_construct_string): New Hook.
8078         * doc/tm.texi (objc_construct_string): Document.
8079         * doc/tm.texi.in (TARGET_OBJC_CONSTRUCT_STRING): New.
8080         * config/t-darwin: Amend build rules for darwin.o.
8081         * config/darwin.opt: Add cfstrings flags.
8082         * config/darwin-c.c: Define __CONSTANT_CFSTRINGS__.
8083         (darwin_objc_construct_string): New.
8084         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Define.
8085         * config/i386/i386.c (ix86_init_builtins): Add SUBTARGET_INIT_BUILTINS.
8086         * config/darwin-protos.h (darwin_init_cfstring_builtins): New prototype.
8087         (darwin_fold_builtin): Likewise.
8088         (darwin_build_constant_cfstring): Likewise.
8089         (darwin_objc_construct_string): Likewise.
8090         (darwin_cfstring_p): Likewise.
8091         (darwin_enter_string_into_cfstring_table): Likewise.
8092         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS) Update for CFString.
8093         * config/darwin.c (darwin_running_cxx): New var.
8094         (machopic_select_section): Return cfstring_constant_object_section.
8095         (darwin_override_options): Set darwin_running_cxx.
8096         (add_builtin_field_decl): New.
8097         (darwin_init_cfstring_builtins): New.
8098         (darwin_build_constant_cfstring): New.
8099         (darwin_fold_builtin): New.
8100         (cfstring_hash): New.
8101         (cfstring_eq): New.
8102         (darwin_enter_string_into_cfstring_table): New.
8103         * config/darwin-sections.def (cfstring_constant_object_section): New.
8104         * config/darwin.h (TARGET_FOLD_BUILTIN): Define.
8105         (TARGET_OBJC_CONSTRUCT_STRING): Define.
8106
8107 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
8108
8109         * config/alpha/alpha.c (alpha_build_builtin_va_list): Use
8110         TYPE_STUB_DECL instead of TREE_CHAIN.
8111         * config/i386/i386.c (ix86_build_builtin_va_list_abi): Likewise.
8112         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Likewise.
8113         * config/s390/s390.c (s390_build_builtin_va_list): Likewise.
8114         * config/sh/sh.c (sh_build_builtin_va_list): Likewise.
8115         * config/spu/spu.c (spu_build_builtin_va_list): Likewise.
8116         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list):
8117         Likewise.
8118         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Likewise.
8119
8120 2010-10-22  Jie Zhang  <jie@codesourcery.com>
8121
8122         * expr.c (emit_group_load_1): Update calls to extract_bit_field.
8123         (copy_blkmode_from_reg): Likewise.
8124         (read_complex_part): Likewise.
8125         (expand_expr_real_1): Calculate packedp and pass it to
8126         extract_bit_field.
8127         * expr.h (extract_bit_field): Update declaration.
8128         * calls.c (store_unaligned_arguments_into_pseudos): Update call
8129         to extract_bit_field.
8130         * expmed.c (extract_fixed_bit_field): Update calls to
8131         extract_fixed_bit_field.
8132         (store_split_bit_field): Likewise.
8133         (extract_bit_field_1): Add new argument packedp.
8134         (extract_bit_field): Add new argument packedp.
8135         (extract_fixed_bit_field): Add new argument packedp and let
8136         packed attribute override volatile.
8137         * stmt.c (expand_return): Update call to extract_bit_field.
8138
8139 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
8140
8141         * config/spu/spu.c (spu_function_arg): Dereference CUM parameter.
8142
8143 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
8144
8145         * ddg.c (add_cross_iteration_register_deps): Call gcc_assert instead
8146         of gcc_checking_assert.
8147         * sel-sched.c (code_motion_process_successors): Likewise.
8148
8149 2010-10-21  Eric Botcazou  <ebotcazou@adacore.com>
8150
8151         * cfgcleanup.c (try_forward_edges): Do not throw away previous steps
8152         when stopping because of a different locus on edge or insn.
8153         (try_optimize_cfg): Add comment.
8154         * cfgrtl.c (rtl_merge_blocks): Tweak log message.  If the destination
8155         block is a forwarder block, propagate locus on the edge.
8156         (cfg_layout_merge_blocks): Likewise.
8157
8158 2010-10-21  Uros Bizjak  <ubizjak@gmail.com>
8159
8160         PR target/45946
8161         * config/i386/i386.md (*pushti2): New insn pattern.
8162         (pushti2 splitter): New insn splitter.
8163         (*push<mode>2): Macroize insn pattern from *push{di,ti}2 using
8164         DWI mode iterator.
8165
8166 2010-10-21  Paul Koning  <ni1d@arrl.net>
8167
8168         * config/pdp11/pdp11-protos.md (arith_operand,
8169         const_immediate_operand, expand_shift_operand,
8170         immediate15_operand): Delete
8171         * config/pdp11/pdp11.c: Ditto.
8172         * config/pdp11/pdp11.h (REG_CLASS_FROM_LETTER,
8173         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
8174         EXTRA_CONSTRAINT): Delete.
8175         * config/pdp11/pdp11.md (various): Use standard constraints
8176         instead of removed ones.
8177         * config/pdp11/constraints.md: New file.
8178         * config/pdp11/predicates.md: New file.
8179
8180 2010-10-21  Bingfeng Mei  <bmei@broadcom.com>
8181
8182         PR c/45834
8183         * alias.c (true_dependence_1): Remove obsolete check for QImode.
8184         (may_alias_p): Ditto.
8185
8186 2010-10-21  Martin Jambor  <mjambor@suse.cz>
8187
8188         PR tree-optimization/45875
8189         * tree.c (get_binfo_at_offset): Remove initial zero offset test.
8190
8191 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
8192
8193         * tree-into-ssa.c (rewrite_update_enter_block): Remove unused
8194         variables.
8195         (create_new_def_for): Likewise.
8196
8197 2010-10-21  Nick Clifton  <nickc@redhat.com>
8198
8199         * config/mn10300/mn10300.c: Fold code to 80-character width.
8200         Replace GET_CODE (foo) == REG with REG_P (foo).  Likewise for
8201         MEM, CONST_INT and CONST_DOUBLE.
8202         (targetm): Move initialization to end of file.
8203         (print_operand): Rename to mn10300_print_operand.
8204         (print_operand_address): Rename to mn10300_print_operand_address.
8205         (can_use_return_insn): Rename to mn10300_can_use_return_insn.
8206         (expand_prologue): Rename to mn10300_expand_prologue.
8207         (expand_epilogue): Rename to mn10300_expand_epilogue.
8208         (initial_offset): Rename to mn10300_initial_offset.
8209         (function_arg): Rename to mn10300_function_arg.
8210         (mask_ok_for_mem_btst): Rename to mn10300_mask_ok_for_mem_btst.
8211         (symbolic_operand): Rename to mn10300_symbolic_operand.
8212         (legitimize_pic_address): Rename to mn10300_legitimize_pic_address.
8213         (legitimate_pic_operand_p): Rename to mn10300_legitimate_pic_operand_p.
8214         * config/mn10300/mn10300-protos.h: Update prototypes.
8215         * config/mn10300/mn10300.h: Fold code to 80-character width.
8216         Replace GET_CODE (foo) == REG with REG_P (foo).  Likewise for
8217         MEM, CONST_INT and CONST_DOUBLE.
8218         (CPP_SPEC): Move to...
8219         (TARGET_CPU_CPP_BUILTINS): ... here.
8220         * config/mn10300/mn10300.md: Fold code to 80-character width.
8221         Replace GET_CODE (foo) == REG with REG_P (foo).  Likewise for
8222         MEM, CONST_INT and CONST_DOUBLE.
8223
8224 2010-10-21  Ira Rosen  <irar@il.ibm.com>
8225
8226         PR tree-optimization/46049
8227         PR tree-optimization/46052
8228         * tree-vectorizer.h (enum stmt_vec_info_type): Add new value for shift.
8229         (vect_get_slp_defs): Add arguments.
8230         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass scalar
8231         operands to vect_get_slp_defs.
8232         (vectorizable_reduction): Fix comment, pass scalar operands to
8233         vect_get_slp_defs.
8234         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use operand's
8235         type to determine number of units in the created vector.
8236         (vect_get_vec_defs): Pass scalar operands to vect_get_slp_defs.
8237         (vectorizable_conversion): Fix comment.
8238         (vectorizable_shift): New function.
8239         (vectorizable_operation): Move code that handles shifts to
8240         vectorizable_shift.
8241         (vectorizable_type_demotion): Fix comment, pass scalar operands to
8242         vect_get_slp_defs.
8243         (vectorizable_type_promotion, vectorizable_store): Likewise.
8244         (vectorizable_condition): Fix comment.
8245         (vect_analyze_stmt): Call vectorizable_shift.
8246         (vect_transform_stmt): Likewise.
8247         * tree-vect-slp.c (vect_get_constant_vectors): Add new argument.
8248         Use it as the operand to create vectors for, except reduction
8249         initial definition and store.  Use operands type.
8250         (vect_get_slp_defs): Add new arguments.  Pass them to
8251          vect_get_constant_vectors.
8252
8253 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
8254
8255         * basic-block.h (single_succ_edge): Use gcc_checking_assert.
8256         (single_pred_edge, ei_container, ei_next, ei_prev): Likewise.
8257         * cfghooks.c (fixup_reorder_chain): Likewise.
8258         * cfgrtl.c (cfg_layout_merge_blocks): Likewise.
8259         * cgraph.c (cgraph_add_thunk): Likewise.
8260         (cgraph_create_edge_1): Likewise.
8261         (cgraph_create_virtual_clone): Likewise.
8262         * ddg.c (add_cross_iteration_register_deps): Likewise.
8263         * dwarf2out.c (modified_type_die): Likewise.
8264         * emit-rtl.c (set_mem_alias_set): Likewise.
8265         * ggc-zone.c (zone_allocate_marks): Likewise.
8266         * gimple-iterator.c (gsi_move_to_bb_end): Likewise.
8267         * gimple.c (iterative_hash_gimple_type): Likewise.
8268         * graphite-scop-detection.c (create_single_entry_edge): Likewise.
8269         (create_single_exit_edge): Likewise.
8270         * haifa-sched.c (choose_ready): Likewise.
8271         * lto-streamer-in.c (input_gimple_stmt): Likewise.
8272         * passes.c (execute_todo): Likewise.
8273         * sched-ebb.c (begin_schedule_ready): Likewise.
8274         * sel-sched.c (code_motion_process_successors): Likewise.
8275         * tree-call-cdce.c (gen_conditions_for_pow): Likewise.
8276         * tree-cfg-cleanup.c (tree_forwarder_block_p): Likewise.
8277         * tree-flow-inline.h (link_imm_use, move_use_after_head): Likewise.
8278         (phi_arg_index_from_use, phi_ssa_name_p): Likewise.
8279         * tree-into-ssa.c (insert_updated_phi_nodes_for): Likewise.
8280         * tree-ssa-coalesce.c (ssa_conflicts_test_p): Likewise.
8281         (ssa_conflicts_add): Likewise.
8282         * tree-ssa-copy.c (replace_exp): Likewise.
8283         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
8284         * tree-ssa-forwprop.c (simple_gimple_switch): Likewise.
8285         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
8286         * tree-ssa-pre.c (bitmap_value_insert_into_set): Likewise.
8287         (compute_antic): Likewise.
8288         * tree-ssa-ter.c (add_to_partition_kill_list): Likewise.
8289         (add_dependence): Likewise.
8290         (process_replaceable, kill_expr, find_replaceable_exprs): Likewise.
8291         * tree-vrp.c (supports_overflow_infinity): Likewise.
8292         (make_overflow_infinity, negative_overflow_infinity): Likewise.
8293         (avoid_overflow_infinity, register_new_assert_for): Likewise.
8294         (process_assert_insertions_for): Likewise.
8295         * var-tracking.c (dv_is_value_p, dv_as_decl, dv_from_decl): Likewise.
8296         (dv_from_value, variable_union, find_loc_in_1pdv): Likewise.
8297         (intersect_loc_chains, variable_merge_over_cur): Likewise.
8298
8299 2010-10-21  Nathan Froyd  <froydnj@codesourcery.com>
8300
8301         * cfgloop.c (flow_loops_find): Call bb_has_abnormal_pred.
8302         * reload1.c (has_nonexceptional_receiver): Likewise.
8303         * tree-into-ssa.c (rewrite_update_enter_block): Likewise.
8304         (create_new_def_for): Likewise.
8305         * tree-cfgcleanup.c (remove_forwarder_block): Likewise.
8306         (merge_phi_nodes): Likewise.
8307         (has_abnormal_incoming_edge_p): Delete.
8308
8309 2010-10-21  H.J. Lu  <hongjiu.lu@intel.com>
8310
8311         * config/i386/sse.md (ssescalarmodesuffix): Add V8SI and V4DI.
8312
8313 2010-10-21  Richard Guenther  <rguenther@suse.de>
8314             Michael Matz  <matz@suse.de>
8315
8316         PR tree-optimization/45764
8317         * tree-vect-data-refs.c (vect_compute_data_ref_alignment):
8318         Adjust initial misalignment for negative DR_STEP.
8319         (vect_find_same_alignment_drs): Two DRs with different DR_STEP
8320         do not have the same alignment over the whole iteration domain.
8321
8322 2010-10-21  Richard Guenther  <rguenther@suse.de>
8323
8324         PR tree-optimization/46111
8325         * tree-parloops.c (take_address_of): Re-organize for MEM_REF.
8326
8327 2010-10-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
8328
8329         * config/s390/s390.md (*xordi3_cc): Mark xgrk as z196 only.
8330
8331 2010-10-21  Tristan Gingold  <gingold@adacore.com>
8332
8333         * config/vms/vms-crtl.h (CRTL_NAMES): Add new translations.
8334         * config/vms/vms-crtl-64.h (CRTL_NAMES): Ditto.
8335
8336 2010-10-21  Tristan Gingold  <gingold@adacore.com>
8337
8338         * config/alpha/vms-unwind.h (alpha_vms_fallback_frame_state): Set
8339         signal_frame.
8340         * config/alpha/alpha.c (alpha_function_arg): Adjust call.
8341
8342 2010-10-21  Tristan Gingold  <gingold@adacore.com>
8343
8344         * config/ia64/vms64.h (TARGET_DEFAULT): Add MASK_FUSED_MADD.
8345         * config/ia64/vms.h (TARGET_DEFAULT): Ditto.
8346
8347 2010-10-20  Nathan Froyd  <froydnj@codesourcery.com>
8348
8349         * basic-block.h (find_fallthru_edge): Define.
8350         * cfgcleanup.c (merge_blocks_move): Use it.
8351         (try_crossjump_bb): Likewise.
8352         * cfglayout.c (fixup_reorder_chains): Likewise.
8353         (fixup_fallthru_exit_predecessor): Likewise.
8354         * cfgrtl.c (rtl_split_edge): Likewise.
8355         (rtl_verify_flow_info): Likewise.
8356         * function.c (thread_prologue_and_epilogue_insns): Likewise.
8357         * gimple-pretty-print.c (dump_implicit_edges): Likewise.
8358         * ifcvt.c (block_fallthru): Likewise.
8359         * reload1.c (fixup_abnormal_edges): Likewise.
8360         * sched-ebb.c (being_schedule_ready): Likewise.
8361         (schedule_ebb): Likwise.
8362         * sched-rgn.c (find_single_block_region): Likewise.
8363         * sel-sched-ir.c (bb_ends_ebb_p): Likewise.
8364         * tree-complex.c (expand_complex_move): Likewise.
8365         * sched-int.h (find_fallthru_edge): Rename to...
8366         (find_fallthru_edge_from): ...this.
8367         * haifa-sched.c (find_fallthru_edge): Rename to...
8368         (find_fallthru_edge_from): ...this.  Use new find_fallthru_edge.
8369         (init_before_recovery): Call find_fallthru_edge_from.
8370         * sel-sched-ir.c (merge_fences): Likewise.
8371         * sel-sched.c (in_fallthru_bb_p): Likewise.
8372         (move_cond_jump): Likewise.
8373
8374 2010-10-20  Paul Koning  <ni1d@arrl.net>
8375
8376         * config/pdp11/pdp11.md (various): Fix conditions on a number of
8377         insn to check for target 11/40 or higher.
8378
8379 2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>
8380
8381         * parser.c (c_parser_objc_method_type): Mark inline.  Return a
8382         bool instead of a tree.
8383         (c_parser_objc_method_decl): Added bool argument.  Updated call to
8384         objc_build_method_signature.
8385         (c_parser_objc_method_definition): Do not call
8386         objc_set_method_type.  Updated calls to c_parser_objc_method_type,
8387         c_parser_objc_method_decl and objc_start_method_definition.
8388         (c_parser_objc_methodproto): Do not call objc_set_method_type.
8389         Updated calls to c_parser_objc_method_type,
8390         c_parser_objc_method_decl and objc_add_method_declaration.
8391
8392 2010-10-20  Jakub Jelinek  <jakub@redhat.com>
8393
8394         PR tree-optimization/45919
8395         * tree-ssa-ccp.c (fold_nonarray_ctor_reference): Handle flexible
8396         array members.
8397
8398         PR tree-optimization/46066
8399         * tree-parloops.c (create_parallel_loop): Use gsi_last_nondebug_bb
8400         instead of gsi_last_bb.
8401
8402 2010-10-20  DJ Delorie  <dj@redhat.com>
8403
8404         * config/m32c/m32c.c (m32c_option_override): Always disable
8405         function-cse in 16-bit mode.  Indirect calls are always worse than
8406         direct calls as there is no 16-bit indirect call opcode.
8407         (m32c_override_options_after_change): New, likewise.
8408
8409 2010-10-20  Nathan Froyd  <froydnj@codesourcery.com>
8410
8411         * ifcvt.c (noce_emit_cmove): If both of the values are SUBREGs, try
8412         emitting the conditional move in the inner mode of the SUBREG.
8413
8414 2010-10-20  Anatoly Sokolov  <aesok@post.ru>
8415
8416         * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Remove macros.
8417         * config/ia64/ia64-protos.h (ia64_preferred_reload_class): Remove.
8418         * config/ia64/ia64.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
8419         (ia64_preferred_reload_class): Make static.  Change rclass argument
8420         and result types from enum reg_class to reg_class_t.
8421
8422 2010-10-20  Pat Haugen  <pthaugen@us.ibm.com>
8423
8424         * tree-ssa-ter.c (find_replaceable_in_bb): Allow replacement over
8425         call for single operand expression.
8426
8427 2010-10-20  Eric Botcazou  <ebotcazou@adacore.com>
8428
8429         * tree-optimize.c (execute_fixup_cfg): Purge dead abnormal call edges
8430         if there is a call statement to pure or const function in the block.
8431
8432 2010-10-20  Paul Koning  <pkoning@equallogic.com>
8433
8434         Fix several build errors for pdp11 target.
8435         * config/pdp11/pdp11.md (*cmpdf): Fix tstd operands.
8436         (cbranchdf4): Conditional on TARGET_FPU.
8437         (movdf): Ditto; correct alternatives check.
8438         (movmemhi): Fix predicate and constraint.
8439         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Handle 64 bit mode.
8440
8441 2010-10-20  Richard Guenther  <rguenther@suse.de>
8442
8443         PR lto/45667
8444         * lto-streamer-out.c (output_gimple_stmt): Fix typo.
8445         * tree-cfg.c (verify_gimple_call): Properly get the call fndecl.
8446         (verify_gimple_assign_single): Disable ADDR_EXPR type check
8447         when in LTO.
8448
8449 2010-10-20  Vladimir Makarov  <vmakarov@redhat.com>
8450
8451         PR fortran/42169
8452         * ira-emit.c (store_can_be_removed_p): Return false instead of
8453         gcc_unreachable.
8454
8455 2010-10-20  Dmitry Melnik  <dm@ispras.ru>
8456
8457         * fold-const.c (fold_binary_loc): New transformation.
8458
8459 2010-10-20  H.J. Lu  <hongjiu.lu@intel.com>
8460
8461         PR target/46085
8462         * config/i386/sse.md (reduc_splus_v8sf): Updated.
8463         (reduc_splus_v4df): Likewise.
8464
8465 2010-10-20  Richard Guenther  <rguenther@suse.de>
8466
8467         PR tree-optimization/45860
8468         * tree-ssa-phiopt.c (cond_store_replacement): Do not do
8469         conditional store replacement for non-register type stores.
8470
8471 2010-10-20  Eric Botcazou  <ebotcazou@adacore.com>
8472
8473         * stor-layout.c (skip_simple_constant_arithmetic): New function.
8474         (self_referential_size): Use it instead of skip_simple_arithmetic.
8475
8476 2010-10-20  Olivier Hainque  <hainque@adacore.com>
8477
8478         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p):
8479         If the current function calls eh_return, claim live all registers
8480         that we need to check for liveness otherwise.
8481
8482 2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>
8483
8484         * c-decl.c (c_write_global_declarations): Call
8485         objc_write_global_declarations when compiling Objective-C.
8486         * c-lang.c (finish_file): Removed.
8487
8488 2010-10-19  DJ Delorie  <dj@redhat.com>
8489
8490         * doc/tm.texi.in (TARGET_ASM_JUMP_ALIGN_MAX_SKIP): New.
8491         (TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Change to hook.
8492         (TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Likewise.
8493         (TARGET_ASM_LABEL_ALIGN_MAX_SKIP): Likewise.
8494         * doc/tm.texi: Regenerate.
8495         * targhooks.h (default_label_align_after_barrier_max_skip,
8496         default_loop_align_max_skip, default_label_align_max_skip,
8497         default_jump_align_max_skip): Declare.
8498         * target.def (label_align_after_barrier_max_skip): New.
8499         (loop_align_max_skip): New.
8500         (label_align_max_skip): New.
8501         (jump_align_max_skip): New.
8502         * system.h (poison): Add those macros to the list.
8503         * final.c (LABEL_ALIGN_MAX_SKIP): Remove.
8504         (LOOP_ALIGN_MAX_SKIP): Remove.
8505         (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Remove.
8506         (JUMP_ALIGN_MAX_SKIP): Remove.
8507         (default_label_align_after_barrier_max_skip): New.
8508         (default_loop_align_max_skip): New.
8509         (default_label_align_max_skip): New.
8510         (default_jump_align_max_skip): New.
8511         (compute_alignments): Use the new hooks.
8512         (shorten_branches): Likewise.
8513
8514 2010-10-19  Richard Henderson  <rth@redhat.com>
8515
8516         * config/i386/i386.c (bdesc_multi_arg): Use fma4i_fmadd_<mode>.
8517         * config/i386/sse.md (fma<mode>4): Enable for FMA & SSE_MATH.
8518         (fma4i_fmadd_<mode>): New.
8519         (*split_fma, *split_fms, *split_fnma, *split_fnms): Rename from
8520         fma4_fm*_<mode> and adjust to be pre-reload splitters to the
8521         standard fma patterns.
8522         (fmaddsub_<mode>): Rename from fma4i_fmaddsub_<mode> and
8523         enable for FMA.
8524         (*fma_fmadd_<mode>, *fma_fmsub_<mode>): New.
8525         (*fma_fmadd_<mode>, *fma_fmsub_<mode>): New.
8526         (*fma_fmaddsub_<mode>, *fma_fmsubadd_<mode>): New.
8527
8528 2010-10-19  Paul Koning  <pkoning@equallogic.com>
8529
8530         * lower-subreg.c (resolve_shift_zext): Delete conditional code for
8531         WORDS_BIG_ENDIAN != BYTES_BIG_ENDIAN.
8532
8533 2010-10-19  Richard Henderson  <rth@redhat.com>
8534
8535         * config/ia64/ia64.md (fmasf4, *fmssf4, *nfmasf4): New.
8536         (fmadf4, *fmsdf4, *nfmadf4): New.
8537         (fmaxf4, *fmsxf4, *nfmaxf4): New.
8538
8539 2010-10-19  Michael Eager  <eager@eagercon.com>
8540
8541         * config/microblaze/microblaze.c (TARGET_EXCEPT_UNWIND_INFO):
8542         Use sjlj unwind info for exceptions.
8543
8544 2010-10-19  Francois-Xavier Coudert<fxcoudert@gcc.gnu.org>
8545
8546         PR fortran/43414
8547         * dwarf2out.c (add_calling_convention_attribute): Flag main
8548         Fortran subroutine with DW_AT_main_subprogram.
8549
8550 2010-10-19  Nick Clifton  <nickc@redhat.com>
8551
8552         * config/rx/rx.c (rx_function_value): Small integer types are
8553         promoted to SImode.
8554         (rx_promote_function_mode): New function.
8555         (TARGET_PROMOTE_FUNCTION_MODE): Define.
8556
8557 2010-10-19  Nick Clifton  <nickc@redhat.com>
8558
8559         * config/mep/mep.c (mep_print_operand): Use
8560         targetm.strip_name_encoding.
8561         (mep_output_aligned_common): Likewise.
8562
8563 2010-10-19  Basile Starynkevitch  <basile@starynkevitch.net>
8564
8565         * gengtype.c (new_structure): Remove ad-hoc "location_s" processing.
8566
8567 2010-10-18  Richard Henderson  <rth@redhat.com>
8568
8569         * simplify-rtx.c (simplify_ternary_operation) [FMA]: Simplify
8570         (fma (neg a) (neg b) c) and (fma a (neg b) c).
8571
8572 2010-10-18  Richard Henderson  <rth@redhat.com>
8573
8574         * config/i386/i386.c (IX86_BUILTIN_VFMSUBSS, IX86_BUILTIN_VFMSUBSD,
8575         IX86_BUILTIN_VFMSUBPS, IX86_BUILTIN_VFMSUBPD,
8576         IX86_BUILTIN_VFMSUBADDPS, IX86_BUILTIN_VFMSUBADDPD,
8577         IX86_BUILTIN_VFNMADDSS, IX86_BUILTIN_VFNMADDSD,
8578         IX86_BUILTIN_VFNMADDPS, IX86_BUILTIN_VFNMADDPD,
8579         IX86_BUILTIN_VFNMSUBSS, IX86_BUILTIN_VFNMSUBSD,
8580         IX86_BUILTIN_VFNMSUBPS, IX86_BUILTIN_VFNMSUBPD,
8581         IX86_BUILTIN_VFMSUBADDPS256, IX86_BUILTIN_VFMSUBADDPD256,
8582         IX86_BUILTIN_VFNMADDPS256, IX86_BUILTIN_VFNMADDPD256,
8583         IX86_BUILTIN_VFNMSUBPS256, IX86_BUILTIN_VFNMSUBPD256): Remove.
8584         (bdesc_multi_arg): Remove the corresponding builtins.
8585         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Remove.
8586         (UNSPEC_FMA4_FMSUBADD): Remove.
8587         (UNSPEC_FMADDSUB): Rename from UNSPEC_FMA4_FMADDSUB.
8588         * config/i386/sse.md (FMA4MODEF4): Remove.
8589         (FMAMODE): Add.
8590         (fma<mode>4): New expander.
8591         (*fma4i_fmadd_<mode>): Macroize from fma4i_fmadd<mode>4 patterns,
8592         and use FMA rtx code instead of UNSPEC_FMA4_INTRINSIC.
8593         (*fma4i_fmsub_<mode>): Similarly.
8594         (*fma4i_fnmadd_<mode>): Similarly.
8595         (*fma4i_fnmsub_<mode>): Similarly.
8596         (fma4i_vmfmadd_<mode>): Scalar patterns zero-extend, not merge
8597         with the first operand.
8598         (fma4i_fmaddsub_<mode>): Represent with UNSPEC_FMADDSUB instead
8599         of explicit arithmetic.  Macroize with AVXMODEF2P.
8600         (*fma4i_fmsubadd_<mode>): Represent with UNSPEC_FMADDSUB + NEG.
8601         (xop_frcz<mode>2): Macroize with FMAMODE.
8602         (xop_vmfrcz<mode>2): Scalar patterns zero-extend, not merge with
8603         the first operand.
8604         * config/i386/fma4intrin.h (_mm_msub_ps): Use vfmadd intrinsic with
8605         extra negations.
8606         (_mm_msub_pd, _mm_msub_ss, _mm_msub_sd): Likewise.
8607         (_mm_nmacc_ps, _mm_nmacc_pd, _mm_nmacc_ss, _mm_nmacc_sd): Likewise.
8608         (_mm_nmsub_ps, _mm_nmsub_pd, _mm_nmsub_ss, _mm_nmsub_sd): Likewise.
8609         (_mm256_msub_ps, _mm256_msub_pd): Likewise.
8610         (_mm256_nmacc_ps, _mm256_nmacc_pd): Likewise.
8611         (_mm256_nmsub_ps, _mm256_nmsub_pd): Likewise.
8612         (_mm_msubadd_ps): Use vfmaddsub intrinsic with extra negation.
8613         (_mm_msubadd_pd, _mm256_msubadd_ps, _mm256_msubadd_pd): Likewise.
8614
8615 2010-10-18  Bernd Schmidt  <bernds@codesourcery.com>
8616
8617         PR rtl-optimization/45966
8618         * combine.c (try_combine): If added_sets_2, deal with the case
8619         where i0 feeds i1 and i1 feeds i2.
8620
8621 2010-10-18  Jan Hubicka  <jh@suse.cz>
8622
8623         * ipa.c (cgraph_externally_visible_p): Handle externally visible and
8624         preserve flags before trying to guess on visibility.
8625         (varpool_externally_visible_p): New function.
8626         (function_and_variable_visibility): Use it.
8627
8628 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
8629
8630         Implemented parsing @synthesize and @dynamic for Objective-C.
8631         * c-parser.c (c_parser_external_declaration): Recognize
8632         RID_AT_SYNTHESIZE and RID_AT_DYNAMIC.
8633         (c_parser_objc_at_synthesize_declaration): New.
8634         (c_parser_objc_at_dynamic_declaration): New.
8635
8636 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
8637
8638         * c-parser.c (c_parser_objc_class_declaration): After finding an
8639         error, parse the whole declaration then reset parser->error.
8640
8641 2010-10-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
8642
8643         PR target/46041
8644         * tree.h (mode_has_fma): Delete, move to c-cppbuiltins.c.
8645         * builtins.c (mode_has_fma): Ditto.
8646
8647 2010-10-18  Steve Ellcey  <sje@cup.hp.com>
8648
8649         PR target/36898
8650         PR middle-end/43760
8651         * config/ia64/ia64.c (rws_access_regno): Remove predicate check.
8652
8653 2010-10-18  Joseph Myers  <joseph@codesourcery.com>
8654
8655         * config/i386/i386.c (ix86_option_override_internal): Define and
8656         use USE_X86_64_FRAME_POINTER for 64-bit flag_omit_frame_pointer
8657         default.
8658         * config/i386/sol2-10.h (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8659         (USE_IX86_FRAME_POINTER, USE_X86_64_FRAME_POINTER): Define.
8660
8661 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
8662
8663         Merge from 'apple/trunk' branch on FSF servers.
8664         * c-parser.c (c_parser_objc_type_name): Adapted to new parser the
8665         following Objective-C change:
8666
8667         2005-10-10  Fariborz Jahanian  <fjahanian@apple.com>
8668
8669         Radar 4301047
8670         * c-parse.in (objc_quals): Build objc qualifier list same way
8671         as gcc-3.3
8672
8673 2010-10-18  Jan Hubicka  <jh@suse.cz>
8674
8675         * ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p,
8676         function_and_variable_visibility): Revert accidental commit.
8677
8678 2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>
8679
8680         Merge from 'apple/trunk' branch on FSF servers.
8681         * c-parser.c (c_parser_typeof_specifier): Adapted to new parser
8682         the following Objective-C change:
8683
8684         2005-10-07  Fariborz Jahanian  <fjahanian@apple.com>
8685
8686         Radar 4204796
8687         * c-parse.in (typespec_nonreserved_nonattr): Remove volatile from
8688         'volatilized' type used in a typeof operator.
8689
8690 2010-10-18  Eric Botcazou  <ebotcazou@adacore.com>
8691
8692         * tree-flow.h (gimple_purge_all_dead_abnormal_call_edges): Declare.
8693         * tree-cfg.c (gimple_purge_dead_abnormal_call_edges): Move around and
8694         rewrite modelled on gimple_purge_dead_eh_edges.
8695         (gimple_purge_all_dead_abnormal_call_edges): New function.
8696         * tree-inline.c (expand_call_inline): Call gimple_purge_dead_eh_edges
8697         directly instead of through gimple_purge_dead_abnormal_call_edges.
8698         * tree-ssa-pre.c (need_ab_cleanup): New static variable.
8699         (eliminate): Set bit in need_ab_cleanup for the basic block if we have
8700         removed AB side-effects from one of its statements.
8701         (init_pre): Initialize need_ab_cleanup.
8702         (fini_pre): Purge dead abnormal call edges and clean up the CFG if bits
8703         are set in need_ab_cleanup.  Free need_ab_cleanup afterward.
8704
8705 2010-10-18  Jakub Jelinek  <jakub@redhat.com>
8706
8707         PR c/46015
8708         * c-parser.c (c_parser_statement_after_labels): Call mark_exp_read
8709         on computed goto argument.
8710
8711 2010-10-18  Richard Guenther  <rguenther@suse.de>
8712
8713         PR tree-optimization/45967
8714         * tree-ssa-structalias.c (type_could_have_pointers): Remove.
8715         (could_have_pointers): Likewise.
8716         (handle_rhs_call, handle_const_call, handle_pure_call,
8717         find_func_aliases, intra_create_variable_infos): Remove calls to them.
8718         (struct fieldoff): Add must_have_pointers field.
8719         (type_must_have_pointers): New function.
8720         (field_must_have_pointers): Likewise.
8721         (push_fields_onto_fieldstack): Remove must_have_pointers_p argument.
8722         Adjust field merging.
8723         (create_function_info_for): May-have-pointers of varinfo is
8724         almost always true.
8725         (create_variable_info_for_1): Likewise.
8726
8727 2010-10-18  Tejas Belagod  <tejas.belagod@arm.com>
8728
8729         * config/arm/neon.md (neon_move_hi_quad_<mode>): Fix the order
8730         of operands to vec_concat.
8731
8732 2010-10-18  Richard Guenther  <rguenther@suse.de>
8733
8734         PR lto/44950
8735         * tree.c (free_lang_data_in_decl): As we clear TYPE_METHODS
8736         also clear references to entries of it.
8737
8738 2010-10-18  Andi Kleen  <ak@linux.intel.com>
8739
8740         PR other/43448
8741         * gccbug.in: Remove.
8742         * Makefile.in (GCCBUG_INSTALL_NAME, gccbug): Remove
8743         (doc, distclean, install-common): Remove reference to gccbug.
8744         * configure: Regenerate.
8745         * configure.ac (all_outputs): Remove gccbug.
8746         * doc/configfiles.texi: Remove references to gccbug.
8747         * doc/sourcebuild.texi: Dito.
8748
8749 2010-10-18  Jakub Jelinek  <jakub@redhat.com>
8750
8751         PR middle-end/46019
8752         * fold-const.c (fold_binary_loc): If integer_pow2p has
8753         TREE_INT_CST_LOW zero, look at TREE_INT_CST_HIGH.
8754
8755 2010-10-18  Basile Starynkevitch  <basile@starynkevitch.net>
8756             Jeremie Salvucci  <jeremie.salvucci@free.fr>
8757
8758         * gengtype.c (verbosity_level): Add variable.
8759         (set_gc_used): Count variables for verbosity.
8760         (close_output_files): Backing up files, counting written ones
8761         verbosily.
8762         (write_types): Count emitted functions for verbosity. Added
8763         debug messages.
8764         (write_enum_defn): Count structures for verbosity. Added debug
8765         messages.
8766         (gengtype_long_options): Add "verbose" & "backupdir".
8767         (print_usage): Ditto.
8768         (main): Verbose display of parsed files.
8769
8770         * gengtype.h (verbosity_level): Add declaration.
8771
8772 2010-10-18  Basile Starynkevitch  <basile@starynkevitch.net>
8773
8774         * gengtype.c (parse_program_options): Add allocation of
8775         plugin_files, and correct test on nb_plugin_files.
8776
8777 2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>
8778
8779         Merge from 'apple/trunk' branch on FSF servers.
8780
8781         2006-03-27 Fariborz Jahanian  <fjahanian@apple.com>
8782
8783         Radar 4133425
8784         * c-decl.c (undeclared_variable): Issue diagnostic on
8785         private 'ivar' access.
8786
8787 2010-10-17  Uros Bizjak  <ubizjak@gmail.com>
8788
8789         PR target/46051
8790         * config/i386/sse.md (vec_interleave_highv4df): Fix third RTX of
8791         generated sequence to match *avx_vperm2f128<mode>_nozero.
8792         (vec_interleave_lowv4df): Ditto.
8793         (vec_interleave_highv8sf): Ditto.
8794         (vec_interleave_lowv8sf): Ditto.
8795
8796 2010-10-17  Kai Tietz  <kai.tietz@onevision.com>
8797
8798         * libgcov.c (create_file_directory): Enable it for win32 case.
8799         (gcov_exit): De-couple GCOV_PREFIX and GCOV_PREFIX_STRIP.
8800         * doc/gcov.texi (GCOV_PREFIX): Adjusted.
8801         (GCOV_PREFIX_SKIP): Likewise.
8802
8803 2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>
8804
8805         * doc/objc.texi (GNU Objective-C runtime API): New section.
8806         (Modern GNU Objective-C runtime API): New section.
8807         (Traditional GNU Objective-C runtime API): New section.
8808         (Executing code before main): Mention that this section is
8809         specific to the GNU Objective-C runtime.
8810         (Garbage Collection): Same.
8811
8812 2010-10-17  Uros Bizjak  <ubizjak@gmail.com>
8813
8814         * c-parser.c (c_parser_for_statement): Move initialization of
8815         cond and incr before if.
8816
8817 2010-10-17  Anatoly Sokolov  <aesok@post.ru>
8818
8819         * target.def (preferred_output_reload_class): New hook.
8820         * doc/tm.texi.in (TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Document.
8821         * doc/tm.texi: Regenerate.
8822         * targhooks.c (default_preferred_output_reload_class): New function.
8823         * targhooks.h (default_preferred_output_reload_class): Declare.
8824         * reload.c (find_dummy_reload): Change rclass argument type from
8825         enum reg_class to reg_class_t. Change this_alternative array type
8826         from enum reg_class to reg_class_t.
8827         Use TARGET_PREFERRED_OUTPUT_RELOAD_CLASS target hook.
8828         (push_reload): Change preferred_class variable type to reg_class_t.
8829         Use TARGET_PREFERRED_OUTPUT_RELOAD_CLASS target hook.
8830         * recog.c (reg_fits_class_p): Change result type to bool. Change cl
8831         argument type from enum reg_class to reg_class_t. Use
8832         HARD_REGISTER_NUM_P predicate.
8833         * recog.h (reg_fits_class_p): Update prototype.
8834
8835         * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
8836         * config/i386/i386-protos.h (ix86_preferred_output_reload_class):
8837         Remove.
8838         * config/i386/i386.c (ix86_preferred_output_reload_class): Make
8839         static. Change regclass argument and result types from enum reg_class
8840         to reg_class_t.
8841         (TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
8842
8843 2010-10-17  Iain Sandoe  <iains@gcc.gnu.org>
8844
8845         * c-parser.c (c_parser_objc_class_instance_variables): Update to use
8846         visibility enum, and handle @package.
8847
8848 2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>
8849
8850         * doc/objc.texi (What you can and what you cannot do in +load):
8851         Document that sending messages to constant string objects in +load
8852         is not guaranteed to work.
8853
8854 2010-10-16  Jan Hubicka  <jh@suse.cz>
8855
8856         PR middle-end/44206
8857         * ipa.c (cgraph_remove_unreachable_nodes): Cleanup; check
8858         existence of refrences before removing the function.
8859
8860 2010-10-16  Jan Hubicka  <jh@suse.cz>
8861
8862         * cgraph.c (dump_cgraph_node): Dump same_comdat_group,
8863         only_called_at_startup and only_called_at_exit.
8864         (cgraph_propagate_frequency): Compute only_called_at_startup and
8865         only_called_at_exit.
8866         * cgraph.h (struct cgraph_node): New fileds only_called_at_startup and
8867         only_called_at_exit.
8868         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream the new
8869         flags.
8870         * predict.c (compute_function_frequency): Initialize the new flags.
8871
8872 2010-10-16  Eric Botcazou  <ebotcazou@adacore.com>
8873
8874         * gimplify.c (gimplify_type_sizes) <ARRAY_TYPE>: If the type is to be
8875         ignored for debug info purposes, do not clear the DECL_IGNORED_P flag
8876         on the bounds of its domain.
8877         * tree.h (DECL_IGNORED_P): Document effect on TYPE_DECL specifically.
8878
8879 2010-10-16  Anatoly Sokolov  <aesok@post.ru>
8880
8881         * config/avr/avr.h (PREFERRED_RELOAD_CLASS): Remove.
8882         * config/avr/avr-protos.h (preferred_reload_class): Remove.
8883         * config/avr/avr.c (preferred_reload_class): Remove.
8884         * config/pa/pa.h (PREFERRED_RELOAD_CLASS): Remove.
8885         * config/pa/pa.c (emit_move_sequence): Update comment
8886         * config/arc/arc.h (PREFERRED_RELOAD_CLASS): Remove.
8887         * config/crx/crx.h (PREFERRED_RELOAD_CLASS): Remove.
8888         * config/fr30/fr30.h (PREFERRED_RELOAD_CLASS): Remove.
8889         * config/frv/frv.h (PREFERRED_RELOAD_CLASS): Remove.
8890         * config/h8300/h8300.h (PREFERRED_RELOAD_CLASS): Remove.
8891         * config/lm32/lm32.h (PREFERRED_RELOAD_CLASS): Remove.
8892         * config/m32r/m32r.h (PREFERRED_RELOAD_CLASS): Remove.
8893         * config/moxie/moxie.h (PREFERRED_RELOAD_CLASS): Remove.
8894         * config/picochip/picochip.h (PREFERRED_RELOAD_CLASS): Remove.
8895         * config/rx/rx.h (PREFERRED_RELOAD_CLASS): Remove.
8896         * config/spu/spu.h (PREFERRED_RELOAD_CLASS): Remove.
8897         * config/v850/v850.h (PREFERRED_RELOAD_CLASS): Remove.
8898         * config/vax/vax.h (PREFERRED_RELOAD_CLASS): Remove.
8899
8900 2010-10-16  Joseph Myers  <joseph@codesourcery.com>
8901
8902         * opts.c (set_fast_math_flags,
8903         set_unsafe_math_optimizations_flags): Make static.
8904         * toplev.h (set_fast_math_flags,
8905         set_unsafe_math_optimizations_flags): Remove prototypes.
8906
8907 2010-10-16  Joseph Myers  <joseph@codesourcery.com>
8908
8909         * config/arm/arm.c (arm_option_optimization): Set
8910         flag_section_anchors to 1 not 2.
8911         * config/i386/i386.c (ix86_option_override_internal): Check
8912         global_options_set.x_flag_zee and
8913         global_options_set.x_flag_omit_frame_pointer.
8914         (ix86_option_optimization): Don't set flag_omit_frame_pointer and
8915         flag_zee to 2.
8916         * config/i386/sol2-10.h (SUBTARGET_OVERRIDE_OPTIONS): Check
8917         global_options_set.x_flag_omit_frame_pointer.
8918         * config/rs6000/rs6000.c (rs6000_option_init_struct): Set
8919         opts->x_flag_section_anchors to 1 not 2.
8920         * config/sh/sh.c (sh_option_optimization): Don't set
8921         flag_schedule_insns to 2.
8922         (sh_option_override): Check
8923         global_options_set.x_flag_schedule_insns.
8924         * opts.c (finish_options): Check opts_set->x_flag_section_anchors.
8925
8926 2010-10-16  Kai Tietz  <kai.tietz@onevision.com>
8927
8928         * configure.ac: Make sure inhibit_libc remains false for mingw targets
8929         as cross.
8930         * configure: Regenerated.
8931
8932 2010-10-15  Xinliang David Li  <davidxl@google.com>
8933
8934         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths): New
8935         function.
8936         (use_pred_not_overlap_with_undef_path_pred): Outline phi arg pruning
8937         into a recursive function.
8938
8939 2010-10-15  Uros Bizjak  <ubizjak@gmail.com>
8940
8941         * config/i386/i386.md (*movdfcc_1_rex64): Correct mode attribute.
8942         (*movdfcc_1): ditto.
8943
8944 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
8945
8946         * target.def (target_option.init_struct): New hook.
8947         * doc/tm.texi.in (TARGET_OPTION_INIT_STRUCT): New @hook.
8948         * doc/tm.texi: Regenerate.
8949         * hooks.c (hook_void_gcc_optionsp): New.
8950         * hooks.h (hook_void_gcc_optionsp): Declare.
8951         * langhooks-def.h (lhd_init_options_struct): Remove.
8952         (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define to hook_void_gcc_optionsp.
8953         * langhooks.c (lhd_init_options_struct): Remove.
8954         * opts.c (init_options_struct): Also call
8955         targetm.target_option.init_struct.
8956         * config/i386/i386.c (ix86_option_init_struct,
8957         TARGET_OPTION_INIT_STRUCT): New.
8958         (ix86_option_optimization): Move some settings to
8959         ix86_option_init_struct.
8960         * config/pdp11/pdp11.c (pdp11_option_init_struct,
8961         TARGET_OPTION_INIT_STRUCT): New.
8962         (pdp11_option_optimization): Move some settings to
8963         pdp11_option_init_struct.
8964         * config/rs6000/rs6000.c (rs6000_option_optimization): Replace by
8965         rs6000_option_init_struct.  Use options structure pointer.
8966         (TARGET_OPTION_OPTIMIZATION): Replace by TARGET_OPTION_INIT_STRUCT.
8967         * config/s390/s390.c (s390_option_init_struct,
8968         TARGET_OPTION_INIT_STRUCT): New.
8969         (s390_option_optimization): Don't set
8970         flag_asynchronous_unwind_tables here.
8971         * config/sh/sh.c (sh_option_init_struct,
8972         TARGET_OPTION_INIT_STRUCT): New.
8973         (sh_option_optimization): Don't set flag_finite_math_only here.
8974         * config/spu/spu.c (spu_option_optimization): Replace by
8975         spu_option_optimization.  Use options structure pointer.
8976         (TARGET_OPTION_OPTIMIZATION): Replace by TARGET_OPTION_INIT_STRUCT.
8977
8978 2010-10-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8979
8980         * doc/md.texi (Standard Names): Add fma@var{m}4 documentation.
8981
8982         * doc/rtl.texi (RTX_TERNARY): Document FMA is ternary.  Add
8983         SIGN_EXTRACT and ZERO_EXTRACT which were missing.
8984         (Standard names): Document fma.
8985
8986         * doc/cpp.texi (Common Predefined Macros): Document __FP_FAST_FMA,
8987         __FP_FAST_FMAF, __FP_FAST_FMAL.
8988
8989         * builitns.c (expand_builtin_mathfn_ternary): New function for
8990         expanding ternary math functions, like fma.
8991         (expand_builtin): Call it for the fma builtins.
8992
8993         * simplify-rtx.c (simplify_ternary_operation): Don't simplify FMA
8994         ops at present.
8995
8996         * tree-vect-stmts.c (vectorizable_call): Allow 3 argument
8997         vectorizable functions to support vectorizing fma.
8998
8999         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
9000         Handle fma builtins.
9001
9002         * config/rs6000/vsx.md (UNSPEC_VSX_MADD): Delete.
9003         (UNSPEC_VSX_MSUB): Ditto.
9004         (UNSPEC_VSX_NMADD): Ditto.
9005         (UNSPEC_VSX_NMSUB): Ditto.
9006         (vsx_fmadd<mode>4*): Rewrite to use FMA rtl in some cases instead
9007         of UNSPEC. Renumber combiner patterns.
9008         (vsx_fmsub<mode>4*): Ditto.
9009         (vsx_fnmadd<mode>4*): Ditto.
9010         (vsx_fnmsub<mode>4*): Ditto.
9011
9012         * config/rs6000/altivec.md (UNSPEC_VNMSUBFP): Delete.
9013         (altivec_vmaddfp): Rewrite to use FMA rtl if no fused
9014         multiply/add.  Rename combiner pattern, and add TARGET_FUSED_MADD test.
9015         (altivec_vmaddfp_1): Ditto.
9016         (altivec_vmaddfp_2): Ditto.
9017         (atlivec_mulv4sf3): Ditto.
9018         (altivec_vnmsubfp): Ditto.
9019         (altivec_vnmsubfp_1): Ditto.
9020         (altivec_vnmsubfp_2): Ditto.
9021         (altivec_vnmsubfp_3): Delete.
9022
9023         * config/rs6000/rs6000.md (fmasf4): New insns for fma builtin support.
9024         (fmasf4_fpr): Ditto.
9025         (fmssf4_fpr): Ditto.
9026         (fnmasf4_fpr): Ditto.
9027         (fnmssf4_fpr): Ditto.
9028         (fmadf4): Ditto.
9029         (fmadf4_fpr): Ditto.
9030         (fmsdf4_fpr): Ditto.
9031         (fnmadf4_fpr): Ditto.
9032         (fnmsdf4_fpr): Ditto.
9033
9034         * optabs.h (OTI_fma): Add fma optab.
9035         (fma_optab): Ditto.
9036
9037         * genopinit.c (optabs): Set fma optab.
9038
9039         * rtl.def (FMA): Add FMA rtl.
9040
9041         * tree.h (mode_has_fma): New function to return if MODE supports a
9042         fast multiply and add instruction.
9043         * builtins.c (mode_has_fma): Ditto.
9044
9045 2010-10-15  Jan Hubicka  <jh@suse.cz>
9046
9047         * lto-streamer-out.c (write_symbol): Use pointer set of seen
9048         objects instead of bitmap.
9049         (produce_symtab): Likewise; output defined symbols first.
9050
9051 2010-10-15  Jie Zhang  <jie@codesourcery.com>
9052
9053         * doc/invoke.texi: Add -fstrict-volatile-bitfields to
9054         Option Summary and Index.
9055
9056 2010-10-15  Richard Guenther  <rguenther@suse.de>
9057
9058         * tree.c (free_lang_data_in_decl): Clear DECL_INITIAL
9059         for automatic variables again.
9060
9061 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
9062
9063         * doc/extend.texi (Variable Length): Don't refer to VLAs not
9064         conforming to C99.
9065
9066 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
9067
9068         * config/rx/rx.c (rx_option_optimization): Change to
9069         rx_override_options_after_change.  Don't change
9070         flag_lto_compression_level.  Don't check for changes to whether
9071         FPU instructions can be used.  Check and set only
9072         flag_finite_math_only, not other fast-math flags.
9073         (rx_option_override): Call rx_override_options_after_change.
9074         (TARGET_OPTION_OPTIMIZATION): Remove.
9075         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define.
9076
9077 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
9078
9079         * config/rs6000/rs6000.c (rs6000_option_optimization): Don't
9080         disable section anchors for lang_hooks.name[4] != 'O'.
9081
9082 2010-10-15  Joseph Myers  <joseph@codesourcery.com>
9083
9084         * config/frv/frv.c (frv_option_optimization,
9085         TARGET_OPTION_OPTIMIZATION): Remove.
9086         * config/frv/frv.h (RCSP_SOFTWARE_PIPELINING): Remove.
9087
9088 2010-10-15  Michael Matz  <matz@suse.de>
9089
9090         * cgraphunit.c (clone_of_p): Define unconditionally.
9091
9092 2010-10-15  Richard Guenther  <rguenther@suse.de>
9093
9094         PR lto/45957
9095         * tree.c (free_lang_data_in_decl): Do not clear DECL_INITIAL of vars.
9096
9097 2010-10-15  Chung-Lin Tang  <cltang@codesourcery.com>
9098
9099         * ifcvt.c (find_active_insn_before): New function.
9100         (find_active_insn_after): New function.
9101         (cond_exec_process_if_block): Use new functions to replace
9102         prev_active_insn() and next_active_insn().
9103
9104 2010-10-14  Yao Qi  <yao@codesourcery.com>
9105
9106         PR target/45447
9107         * config/arm/arm.c (arm_build_builtin_va_list): Assign
9108         va_list_name to TYPE_STUB_DECL (va_list_type).
9109
9110 2010-10-14  Jan Hubicka  <jh@suse.cz>
9111
9112         PR middle-end/45621
9113         * cgraph.c (cgraph_update_edges_for_call_stmt_node): When new call is
9114         redirected to clone, be happy.
9115         * cgraph.h (cgraph node): Enable former_clone_of unconditinally.
9116         * cgraphunit.c (verify_cgraph_node, cgraph_materialize_clone): Handle
9117         former_clone_of unconditionally.
9118
9119 2010-10-14  Iain Sandoe  <iains@gcc.gnu.org>
9120
9121         Merge from FSF apple 'trunk' branch.
9122         2006 Fariborz Jahanian  <fjahanian@apple.com>
9123
9124         Radars 4436866, 4505126, 4506903, 4517826
9125         * c-parser.c (c_parser, objc_property_attr_context) New flag.
9126         (c_lex_one_token): Handle property attributes.
9127         (c_parser_external_declaration): Handle @property.
9128         (c_parser_declaration_or_fndef): Warn on invalid attributes before
9129         @alias, @class, @end and @property objc keywords.
9130         (c_parser_objc_methodprotolist): Handle @property.
9131         (c_parser_objc_property_attrlist): New.
9132         (c_parser_objc_at_property): New.
9133         * c-typeck.c (build_component_ref): Handle CLASS.property syntax.
9134         (build_modify_expr): Likewise.
9135
9136 2010-10-14  Jakub Jelinek  <jakub@redhat.com>
9137
9138         PR tree-optimization/46008
9139         * tree-if-conv.c (predicate_bbs): Try to canonicalize c2 if possible.
9140
9141 2010-10-14  Richard Guenther  <rguenther@suse.de>
9142
9143         PR tree-optimization/44913
9144         * tree-data-ref.c (disjoint_objects_p): Remove.
9145         (dr_may_alias_p): Simplify.  Only hand the base object to
9146         the alias-oracle.
9147         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
9148         some more trees, bail out instead of asserting.
9149         (ptr_derefs_may_alias_p): Likewise.  Export.
9150         (refs_may_alias_p_1): Handle STRING_CSTs.
9151         * tree-ssa-alias.h (ptr_derefs_may_alias_p): Declare.
9152
9153 2010-10-14  Joseph Myers  <joseph@codesourcery.com>
9154
9155         PR c/45969
9156         * c-typeck.c (build_binary_op): Don't try to compute a semantic
9157         type with excess precision for boolean operations.
9158
9159 2010-10-14  Jeremie Salvucci  <jeremie.salvucci@free.fr>
9160             Basile Starynkevitch  <basile@starynkevitch.net>
9161
9162         * gengtype.c:  Include getopt.h and version.h.
9163
9164         (lang_bitmap, struct outf, outf_p)
9165         (get_output_file_with_visibility, oprintf): Definitions moved to
9166         gengtype.h
9167         (output_files, header_file, srcdir, srcdir_len, this_file)
9168         (do_dump): No more static variables.
9169         (do_debug): New.
9170         (dbgprint_count_type_at): Added new function.
9171         (gengtype_long_options): New.
9172         (print_usage, print_version, parse_program_options): New.
9173         (main): Call parse_program_options, and removed old option
9174         handling code.  Added some debug output.
9175
9176         * gengtype.h:  Updated copyright year.
9177         (lang_bitmap, struct outf, outf_p, header_file, oprintf)
9178         (get_output_file_with_visibility, srcdir, srcdir_len, do_dump):
9179         Moved from gengtype.c to here.
9180         (do_debug, read_state_filename, write_state_filename): New variables.
9181         (DBGPRINTF, DBGPRINT_COUNT_TYPE): New macros.
9182
9183         * Makefile.in:
9184         (REVISION): Always defined.
9185         (version.o): Removed ifdef REVISION_c.
9186         (s-gtype): Pass arguments to build/gengtype program.
9187         (build/version.o): Added building rule.
9188         (build/gengtype$(build_exeext)): Added build/version.o.
9189
9190 2010-10-14  Iain Sandoe  <iains@gcc.gnu.org>
9191
9192         Partial merge of 'ObjC GC' from FSF apple 'trunk' branch.
9193         * config/darwin-c.c (darwin_cpp_builtins): Define __weak and
9194         __strong macros.
9195
9196 2010-10-14  Eric Botcazou  <ebotcazou@adacore.com>
9197
9198         * sched-deps.c (sched_insn_is_legitimate_for_speculation): Invoke
9199         may_trap_or_fault_p instead of may_trap_p predicate.
9200         * tree.c (substitute_in_expr): Propagate the TREE_THIS_NOTRAP flag.
9201         (substitute_placeholder_in_expr): Likewise.
9202         * tree-inline.c (remap_gimple_op_r): Propagate the TREE_THIS_NOTRAP
9203         flag on MEM_REF nodes.
9204         (copy_tree_body_r): Propagate the TREE_READONLY and TREE_THIS_NOTRAP
9205         flags on INDIRECT_REF nodes.
9206
9207 2010-10-14  Nathan Froyd  <froydnj@codesourcery.com>
9208
9209         * config.gcc (arm*-*-linux-*eabi) <tm_file>: Add bpabi.h from libgcc.
9210         (arm*-*-uclinux*eabi) <tm_file>: Likewise.
9211         (arm*-*-eabi*) <tm_file>: Likewise.
9212         (frv-*-elf) <tm_file>: Add frv-abi.h from libgcc.
9213         (frv-*-*linux*) <tm_file>: Likewise.
9214         * config/arm/bpabi.h: Delete DECLARE_LIBRARY_RENAMES stanzas
9215         and associated helper macros.
9216         * config/frv/frv-abi.h: Delete.
9217
9218 2010-10-14  Richard Guenther  <rguenther@suse.de>
9219
9220         PR lto/44561
9221         * tree.def (NULLPTR_TYPE): New tree code.
9222         * dbxout.c (dbxout_type): Handle NULLPTR_TYPE.
9223         * dwarf2out.c (is_base_type): Likewise.
9224         (gen_type_die_with_usage): Likewise.
9225         * sdbout.c (plain_type_1): Likewise.
9226         * tree.c (build_int_cst_wide): Likewise.
9227         * gimple.c (gimple_types_compatible_p_1): NULLPTR_TYPE types are equal.
9228
9229 2010-10-14  Joseph Myers  <joseph@codesourcery.com>
9230
9231         * params.c (params_finished): New.
9232         (add_params): Assert !params_finished.
9233         (finish_params): New.
9234         (set_param_value_internal): Take params and params_set
9235         parameters.  Assert params_finished.
9236         (set_param_value, maybe_set_param_value): Take params and
9237         params_set parameters.  Update calls to set_param_value_internal.
9238         (set_default_param_value): Assert !params_finished.  Don't use
9239         set_param_value_internal.
9240         (default_param_value, init_param_values): New.
9241         * params.h (struct param_info): Change value to default_value.
9242         Remove set.
9243         (set_param_value, maybe_set_param_value): Add params and
9244         params_set parameters.
9245         (PARAM_VALUE): Get parameters from global_options.
9246         (PARAM_SET_P): Remove.
9247         (finish_params, default_param_value, init_param_values): New.
9248         * common.opt (param_values): New Variable.
9249         * config/arm/arm.c (arm_option_override): Pass extra arguments to
9250         maybe_set_param_value.
9251         * config/i386/i386.c (ix86_option_override_internal): Pass extra
9252         arguments to maybe_set_param_value.
9253         * config/picochip/picochip.c (picochip_option_override): Pass
9254         extra arguments to maybe_set_param_value.
9255         * config/rs6000/rs6000.c (rs6000_option_override_internal): Pass
9256         extra arguments to maybe_set_param_value.
9257         * config/s390/s390.c (s390_option_override): Use
9258         maybe_set_param_value instead of set_param_value.  Pass extra
9259         arguments to maybe_set_param_value.
9260         * config/sparc/sparc.c (sparc_option_override): Pass extra
9261         arguments to maybe_set_param_value.
9262         * config/spu/spu.c (spu_option_override): Pass extra arguments to
9263         maybe_set_param_value.
9264         * opts.c (handle_param): Take opts and opts_set parameters.
9265         Update call to set_param_value.
9266         (initial_min_crossjump_insns, initial_max_fields_for_field_sensitive,
9267         initial_loop_invariant_max_bbs_in_loop): Remove.
9268         (init_options_once): Don't set them.
9269         (init_options_struct): Initialize parameters structures.
9270         (default_options_optimization): Use default_param_value when
9271         restoring defaults.  Update calls to maybe_set_param_value.
9272         (finish_options): Update calls to maybe_set_param_value.
9273         (common_handle_option): Update calls to handle_param and
9274         set_param_value.
9275         * toplev.c (DEFPARAM): Update definition for changes to param_info.
9276         (general_init): Call finish_params.
9277
9278 2010-10-14  Nick Clifton  <nickc@redhat.com>
9279
9280         * config/mn10300/mn10300.h (CONSTANT_ALIGNMENT): Define.
9281         (DATA_ALIGNMENT, LOCAL_ALIGNMENT): Define.
9282         (FIRST_PSEUDO_REGISTER): Increase by one.
9283         (FIXED_REGISTERS, CALL_USED_REGISTERS): Update with CC_REG.
9284         (HARD_REGNO_MODE_OK): Call mn10300_hard_regno_mode_ok.
9285         (MODES_TIEABLE): Call mn10300_modes_tieable.
9286         (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add CC_REGS.
9287         (LEGITIMATE_CONSTANT_P): Call mn10300_legitimate_constant_p.
9288         (CC_OVERFLOW_UNUSABLE, CC_NO_CARRY, NOTICE_UPDATE_CC)
9289         (SELECT_CC_MODE, REVERSIBLE_CC_MODE): Delete.
9290         (REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES): Add CC register.
9291         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9292         (mn10300_cc_status_mdep): Delete.
9293         (CC_STATUS_MDEP, CC_STATUS_MDEP_INIT): Delete.
9294         * config/mn10300/mn10300 (mn10300_option_override): Stop disabling
9295         the combine-stack-adjust pass.
9296         (print_operand): Use the mode of the comparison operation to
9297         select the comparison suffix.
9298         (notice_update_cc): Delete.
9299         (mn10300_secondary_reload_class): Remove test for stack pointer
9300         based arithmetic.
9301         (output_tst): Rename to mn10300_output_cmp.
9302         (impossible_plus_operand): Move into predicates.md.
9303         (mn10300_legitimize_address): Make static.
9304         (mn10300_legitimate_address_p): Make static.  Only allow SI sized
9305         constant pic operands.
9306         (mn10300_legitimate_constant_p): New function.
9307         (mn10300_case_values_threshold): Make static.
9308         (mn10300_hard_regno_mode_ok): New function.
9309         (mn10300_modes_tieable): New function.
9310         (mn10300_select_cc_mode): New function.
9311         * config/mn10300/predicates.md (impossible_plus_operand): Define.
9312         * config/mn10300/mn10300-protos.h: Tidy.
9313         (mn10300_legitimate_constant_p, mn10300_modes_tieable)
9314         (mn10300_hard_regno_mode_ok, mn10300_select_cc_mode): Prototype.
9315         * config/mn10300/mn10300.md (cc attribute): Delete.  Replace
9316         with clobbers or sets of CC_REG.
9317         (CC_REG): Define.
9318         (mov*): Remove use of CLR instruction.
9319         (cbranch_si4_<code>): New pattern/split.
9320         (integer_conditional_branch): New pattern.
9321         (cbranch_sf4_<code>): New pattern/split.
9322         (float_conditional_branch): New pattern.
9323         (casesi): Use addsi3 pattern instead of movsi pattern to add and
9324         move a value at the same time.
9325         (cc0 peepholes): Remove.
9326
9327 2010-10-14  Andrey Belevantsev  <abel@ispras.ru>
9328
9329         * sel-sched-ir.c (init_global_and_expr_for_insn): Set CANT_MOVE
9330         on RTX_FRAME_RELATED_P insns and the insn to which
9331         NOTE_INSN_EPILOGUE_BEG is attached.
9332         * sched-vis.c (print_value): Allow NULL value.
9333
9334 2010-10-14  Andrey Belevantsev  <abel@ispras.ru>
9335
9336         PR rtl-optimization/45570
9337         * sel-sched-ir.c (cfg_preds_1): When walking out of the region,
9338         assert that we are pipelining outer loops.  Allow returning
9339         zero predecessors.
9340
9341 2010-10-14  Andrey Belevantsev  <abel@ispras.ru>
9342
9343         * sel-sched-ir.c (maybe_tidy_empty_bb): Simplify comment.
9344         (tidy_control_flow): Tidy vertical space.
9345         (sel_remove_bb): New variable idx.  Use it to remember the basic
9346         block index before deleting the block.
9347         (sel_remove_empty_bb): Remove dead code, simplify and insert to ...
9348         (sel_merge_blocks): ... here.
9349         * sel-sched-ir.h (sel_remove_empty_bb): Remove prototype.
9350
9351 2010-10-14  Jakub Jelinek  <jakub@redhat.com>
9352
9353         * cse.c (is_dead_reg): Change into inline function that is not
9354         called through for_each_rtx.
9355         (set_live_p): Adjust caller.
9356         (insn_live_p): Don't reset DEBUG_INSNs here.
9357         (struct dead_debug_insn_data): New data.
9358         (count_stores, is_dead_debug_insn, replace_dead_reg): New functions.
9359         (delete_trivially_dead_insns): If there is just one setter for the
9360         dead reg that is referenced by some DEBUG_INSNs, create a DEBUG_EXPR
9361         and add DEBUG_INSN for it right before the removed setter and
9362         use the DEBUG_EXPR instead of the dead pseudo.
9363
9364 2010-10-14  Zdenek Dvorak  <rakdver@kam.uniff.cz>
9365
9366         * et-forest.c (et_nca): Return NULL immediately when
9367         the dominance forest has disjoint components.
9368
9369 2010-10-13  Vladimir Makarov  <vmakarov@redhat.com>
9370
9371         * ira.c (setup_class_hard_regs): Fix typo in indexing
9372         ira_non_ordered_class_hard_regs and ira_class_hard_reg_index.
9373
9374 2010-10-14  Tijs Wiebe Lefering  <twlevo@gmail.com>
9375
9376         * graph.c (inbb): New variable.
9377         (start_bb): Set inbb to 1 if output is inside of a building block.
9378         (end_bb): Check if output is inside of a building block.
9379
9380 2010-10-13  Eric Botcazou  <ebotcazou@adacore.com>
9381
9382         PR rtl-optimization/45912
9383         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Test the
9384         regno of registers instead of their index to compute the alignment.
9385
9386 2010-10-13  H.J. Lu  <hongjiu.lu@intel.com>
9387
9388         * config/i386/i386.c (ix86_build_const_vector): Check vector
9389         mode instead of scalar mode.
9390         (ix86_build_signbit_mask): Likewise.
9391         (ix86_expand_fp_absneg_operator): Updated.
9392         (ix86_expand_copysign): Likewise.
9393         (ix86_expand_int_vcond): Likewise.
9394         (ix86_emit_swdivsf): Likewise.
9395         (ix86_sse_copysign_to_positive): Likewise.
9396         (ix86_expand_sse_fabs): Likewise.
9397         * config/i386/i386.md (fixuns_trunc<mode>si2): Likewise.
9398         * config/i386/sse.md (copysign<mode>3): Likewise.
9399         (sse2_cvtudq2ps): Likewise.
9400         (vec_unpacku_float_hi_v4si): Likewise.
9401         (vec_unpacku_float_lo_v4si): Likewise.
9402
9403         * config/i386/i386.c (ix86_builtins): Add
9404         IX86_BUILTIN_CPYSGNPS256 and IX86_BUILTIN_CPYSGNPD256.
9405         (bdesc_args): Likewise.
9406         (ix86_builtin_vectorized_function): Support
9407         IX86_BUILTIN_CPYSGNPS256, IX86_BUILTIN_CPYSGNPD256,
9408         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS_NR256,
9409         and IX86_BUILTIN_CVTPS2DQ256.
9410         (ix86_builtin_reciprocal): Support IX86_BUILTIN_SQRTPS_NR256.
9411
9412         * config/i386/sse.md (STORENT_MODE): New.
9413         (VEC_FLOAT_MODE): Likewise.
9414         (VEC_EXTRACT_MODE): Likewise.
9415         (*avx_cvtdq2pd256_2): Likewise.
9416         (vec_pack_trunc_v4df): Likewise.
9417         (vec_interleave_highv8sf): Likewise.
9418         (vec_interleave_lowv8sf): Likewise.
9419         (storent<mode>): Macroized.
9420         (<code><mode>2: absneg): Likewise.
9421         (copysign<mode>3): Likewise.
9422         (vec_extract<mode>): Likewise.
9423
9424         PR target/44180
9425         * config/i386/i386.c (expand_vec_perm_even_odd_1): Rewritten
9426         for V8SFmode.
9427
9428 2010-10-13  Richard Guenther  <rguenther@suse.de>
9429             H.J. Lu  <hongjiu.lu@intel.com>
9430
9431         * config/i386/sse.md (reduc_splus_v8sf): Add.
9432         (reduc_splus_v4df): Likewise.
9433         (vec_unpacks_hi_v8sf): Likewise.
9434         (vec_unpacks_lo_v8sf): Likewise.
9435         (*avx_cvtps2pd256_2): Likewise.
9436         (vec_unpacks_float_hi_v8si): Likewise.
9437         (vec_unpacks_float_lo_v8si): Likewise.
9438         (vec_interleave_highv4df): Likewise.
9439         (vec_interleave_lowv4df): Likewise.
9440
9441 2010-10-13  Richard Guenther  <rguenther@suse.de>
9442
9443         PR objc/45878
9444         * gimple-fold.c (gimple_fold_obj_type_ref): Leave OBJ_TYPE_REFs
9445         alone if there are no virtual methods.
9446
9447 2010-10-13  Richard Henderson  <rth@redhat.com>
9448
9449         * expr.c (build_personality_function): Take parameter LANG instead
9450         of parameter NAME.  Build the name based on the lang prefix and the
9451         unwind method in use.
9452         * tree.c (lhd_gcc_personality): Update call to
9453         build_personality_function.
9454
9455 2010-10-13  Richard Guenther  <rguenther@suse.de>
9456
9457         PR objc/45878
9458         * tree-ssa-ccpc (ccp_fold_stmt): Use gimple_fold_obj_type_ref.
9459
9460 2010-10-13  Eric Botcazou  <ebotcazou@adacore.com>
9461
9462         * cse.c (cse_insn): Fix thinko in the canonicalization of USE insns.
9463         Canonicalize input operands of ASM_OPERANDS insns.
9464
9465 2010-10-13  Richard Guenther  <rguenther@suse.de>
9466
9467         PR tree-optimization/45788
9468         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Delay
9469         EH update until fixup-cfg.
9470
9471 2010-10-13  Julian Brown  <julian@codesourcery.com>
9472
9473         * config/arm/arm.h (REG_CLASS_CONTENTS): Remove soft frame pointer
9474         from CORE_REGS and GENERAL_REGS classes.
9475         * config/arm/arm.md (*thumb1_movsi_insn): Ignore all parts of
9476         final constraint for register preferencing.
9477
9478 2010-10-13  Richard Guenther  <rguenther@suse.de>
9479
9480         PR tree-optimization/45970
9481         * tree-ssa-alias.h (stmt_kills_ref_p): Declare.
9482         * tree-ssa-alias.c (stmt_kills_ref_p_1): New function.
9483         (stmt_kills_ref_p): Likewise.
9484         * tree-ssa-dse.c (dse_optimize_stmt): Use it.
9485
9486 2010-10-13  Richard Guenther  <rguenther@suse.de>
9487
9488         PR tree-optimization/45982
9489         * tree-ssa-structalias.c (make_constraints_to): New function.
9490         (make_constraint_to): Implement in terms of make_constraints_to.
9491         (find_func_aliases): Properly make return values of pure/const
9492         functions escape if they assign to sth that is not a pointer.
9493
9494 2010-10-13  Richard Guenther  <rguenther@suse.de>
9495
9496         PR middle-end/45874
9497         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
9498         Fixup the CFG when EH was fixed up.
9499
9500 2010-10-13  Ira Rosen  <irar@il.ibm.com>
9501
9502         * tree-vect-slp.c (vect_get_constant_vectors): Fix comment.
9503         Use operand's type for POINTER_PLUS_EXPR.
9504
9505 2010-10-13  Alexandre Oliva  <aoliva@redhat.com>
9506
9507         * c-parser.c (c_parser_for_statement): Initialize incr.
9508
9509 2010-10-12  Xinliang David Li  <davidxl@google.com>
9510
9511         PR tree-optimization/45972
9512         * tree-ssa-uninit.c (compute_uninit_opnds_pos): Skip phis
9513         with too many arguments.
9514
9515 2010-10-12  Jakub Jelinek  <jakub@redhat.com>
9516
9517         PR fortran/45636
9518         * tree-ssa-forwprop.c: Include expr.h.
9519         (constant_pointer_difference, simplify_builtin_call): New functions.
9520         (tree_ssa_forward_propagate_single_use_vars): Call
9521         simplify_builtin_call on builtin calls.
9522
9523 2010-10-12  Eric Botcazou  <ebotcazou@adacore.com>
9524
9525         * config/sparc/sparc.md (*adddi3_insn_sp32): Rename.
9526         (*adddi3_extend_sp32): Likewise.
9527         (*subdi3_insn_sp32): Likewise.
9528         (*subdi3_extend_sp32): Likewise.
9529         (*negdi2_sp32): Use negative test for consistency.
9530
9531 2010-10-12  Nathan Froyd  <froydnj@codesourcery.com>
9532
9533         * libgcc2.h: Use __SIZEOF_DOUBLE__ instead of LIBGCC2_DOUBLE_TYPE_SIZE.
9534         (LIBGCC2_DOUBLE_TYPE_SIZE): Delete.
9535         * config/fixed-bit.h: Likewise.
9536         * config/rx/rx.h (LIBGCC2_DOUBLE_TYPE_SIZE): Delete.
9537         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Delete.
9538         * system.h (LIBGCC2_DOUBLE_TYPE_SIZE): Poison.
9539         * doc/tm.texi.in (LIBGCC2_HAS_DF_MODE): Use DOUBLE_TYPE_SIZE.
9540         (DF_SIZE): Likewise.
9541         * doc/tm.texi: Regenerate.
9542
9543 2010-10-12  Nathan Froyd  <froydnj@codesourcery.com>
9544
9545         * config/rs6000/predicates.md (scc_rev_comparison_operator): New.
9546         * config/rs6000/rs6000.md (*isel_reversed_signed_<mode>): New.
9547         (*isel_reversed_unsigned_<mode>): New.
9548         * config/rs6000/rs6000.c (output_isel): Accept GE/GEU/LE/LEU/NE
9549         as valid comparisons and adjust operands and output appropriately.
9550         (rs6000_rtx_costs) <CONST_INT>: Accept NE as a cost-0 outer_code.
9551
9552 2010-10-12  Chung-Lin Tang  <cltang@codesourcery.com>
9553
9554         * config/arm/arm.h (ARM_EXPAND_ALIGNMENT): Rename from
9555         DATA_ALIGNMENT and add COND parameter. Update comments above.
9556         (DATA_ALIGNMENT): Use ARM_EXPAND_ALIGNMENT, with !optimize_size.
9557         (LOCAL_ALIGNMENT): Use ARM_EXPAND_ALIGNMENT, with !flag_conserve_stack.
9558
9559 2010-10-12  H.J. Lu  <hongjiu.lu@intel.com>
9560
9561         PR bootstrap/45958
9562         * exec-tool.in: Support '-plugin' as the second option to the linker.
9563
9564 2010-10-12  Richard Henderson  <rth@redhat.com>
9565
9566         PR middle-end/45962
9567         * cfgexpand.c (add_stack_var): Ensure every variable has 1 byte.
9568         (expand_stack_vars): Assert large base allocated when used.
9569
9570 2010-10-12  Richard Guenther  <rguenther@suse.de>
9571
9572         * tree-ssa-structalias.c (get_constraint_for_1): Constants
9573         only point to nonlocal, not anything.
9574
9575 2010-10-11  Hariharan Sandanagobalane  <hariharan@picochip.com>
9576
9577         * config/picochip/picochip.c (TARGET_EXCEPT_UNWIND_INFO): Use sjlj
9578         unwind info for exceptions.
9579
9580 2010-10-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9581
9582         PR testsuite/45851
9583         * doc/sourcebuild.texi (LTO Testing, dg-extra-ld-options):
9584         Document optional target selector.
9585
9586 2010-10-12  Joseph Myers  <joseph@codesourcery.com>
9587
9588         * flag-types.h: New.
9589         * Makefile.in (TH_H): Include $(OPTIONS_H) instead of $(FLAGS_H).
9590         (FLAGS_H): Include flag-types.h.  Include $(OPTIONS_H) instead of
9591         options.h.
9592         (OPTIONS_H): Define.
9593         (c-family/c-opts.o, lto-opts.o, opts.o): Use $(OPTIONS_H) instead
9594         of options.h.
9595         * configure.ac (tm_include_list): Include options.h not flags.h.
9596         * configure: Regenerate.
9597         * flags.h: Include flag-types.h.  Include options.h at top of file
9598         again.
9599         (enum debug_info_type, enum debug_info_level, enum
9600         debug_info_usage, enum symbol_visibility, struct visibility_flags,
9601         enum ira_algorithm, enum ira_region, enum excess_precision, enum
9602         graph_dump_types, enum stack_check_type,
9603         enum warn_strict_overflow_code): Move to flag-types.h
9604         * opth-gen.awk: Include flag-types.h in options.h.
9605
9606 2010-10-12  Jakub Jelinek  <jakub@redhat.com>
9607
9608         * expr.c (store_expr): Share code for STRING_CST and
9609         MEM_REF of &STRING_CST cases.  Don't require BLKmode, instead
9610         check if target is a MEM.
9611
9612         * rtl.h: Include hashtab.h.
9613         (iterative_hash_rtx): New prototype.
9614         * rtl.c (iterative_hash_rtx): New function.
9615         * dwarf2out.c (dw_loc_list_node): Add hash and emitted fields.
9616         (output_loc_list): Return immediately if emitted is set, set it.
9617         (hash_loc_operands, hash_locs, hash_loc_list,
9618         compare_loc_operands, compare_locs, loc_list_hash, loc_list_eq,
9619         optimize_location_lists_1, optimize_location_lists): New function.
9620         (dwarf2out_finish): Call optimize_location_lists.
9621         * Makefile.in (RTL_BASE_H): Depend on $(HASHTAB_H).
9622
9623 2010-10-12  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9624
9625         PR testsuite/45974
9626         Revert:
9627         * Makefile.in ($(lang_checks_parallel))
9628         ($(lang_checks_parallelized)): Use single quotes for
9629         $(RUNTESTFLAGS), to allow passing quoted content.
9630
9631 2010-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9632
9633         * config/pa/linux-atomic.c (__sync_val_compare_and_swap_4): Return
9634         actual_oldval.  Use __builtin_expect.
9635         (SUBWORD_VAL_CAS): Likewise.
9636
9637 2010-10-11  Nathan Froyd  <froydnj@codesourcery.com>
9638
9639         * recog.c (nonmemory_operand): Call immediate_operand for
9640         CONSTANT_P operands.
9641
9642 2010-10-11  Uros Bizjak  <ubizjak@gmail.com>
9643
9644         * config/i386/i386.md (movmem<mode>): Macroize expander from
9645         movmem{si,di} using SWI48 mode iterator.
9646         (*strmovsi_1): Macroize insn pattern from *strmovsi_1 and
9647         *strmovsi_rex_1 using P mode iterator.
9648         (*strmovhi_1): Ditto from *strmovhi_1 and *strmovhi_rex_1.
9649         (*strmovqi_1): Ditto from *strmovqi_1 and *strmovqi_rex_1.
9650         (*rep_movsi): Ditto from *rep_movsi and *rep_movsi_rex64.
9651         (*rep_movqi): Ditto from *rep_movqi and *rep_movqi_rex64.
9652         (setmem<mode>): Macroize expander from setmem{si,di} using
9653         SWI48 mode iterator.
9654         (*strsetsi_1): Macroize insn pattern from *strsetsi_1 and
9655         *strsetsi_rex_1 using P mode iterator.
9656         (*strsethi_1): Ditto from *strsethi_1 and *strsethi_rex_1.
9657         (*strsetqi_1): Ditto from *strsetqi_1 and *strsetqi_rex_1.
9658         (*rep_stossi): Ditto from *rep_stossi and *rep_stossi_rex64.
9659         (*rep_stosqi): Ditto from *rep_stosqi and *rep_stosqi_rex64.
9660         (*cmpstrnqi_nz_1): Ditto from *cmpstrnqi_nz_1 and *cmpstrnqi_nz_rex_1.
9661         (*cmpstrnqi_1): Ditto from *cmpstrnqi_1 and *cmpstrnqi_rex_1.
9662         (strlen<mode>): Macroize expander from strlen{si,di} using SWI48x
9663         mode iterator.
9664         (*strlenqi_1): Macroize insn pattern from *strlenqi_1 and
9665         *strlenqi_rex_1 using P mode iterator.
9666
9667 2010-10-11  Bernd Schmidt  <bernds@codesourcery.com>
9668
9669         PR bootstrap/45445
9670         * ira-lives.c (mark_pseudo_reg_live, mark_pseudo_reg_dead): New
9671         static functions.
9672         (mark_ref_live, mark_ref_dead): Use them.
9673         (make_pseudo_conflict): New arg ORIG_DREG.  All callers changed.
9674         Save the original reg, and use the new functions.
9675         (check_and_make_def_use_conflict): New arg ORIG_DREG.  All callers
9676         changed.
9677         (check_and_make_def_conflict): Save the original reg.
9678
9679 2010-10-11  Martin Jambor  <mjambor@suse.cz>
9680
9681         PR middle-end/45699
9682         * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Choose among
9683         thunks.
9684
9685 2010-10-11  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9686
9687         * Makefile.in ($(lang_checks_parallel))
9688         ($(lang_checks_parallelized)): Use single quotes for
9689         $(RUNTESTFLAGS), to allow passing quoted content.
9690
9691         PR bootstrap/35855
9692         * opt-functions.awk (BEGIN): New section.
9693         (lower, upper, digit, alnum): New variables.
9694         (static_var, opt_sanitized_name): Use alnum instead of character
9695         classes, for non-C locale.
9696         * optc-gen.awk: Likewise.
9697         * opth-gen.awk: Likewise.
9698
9699 2010-10-11  Anatoly Sokolov  <aesok@post.ru>
9700
9701         * target.def (preferred_reload_class): New hook.
9702         * doc/tm.texi.in (TARGET_PREFERRED_RELOAD_CLASS): Document.
9703         * doc/tm.texi: Regenerate.
9704         * targhooks.c (default_preferred_reload_class): New function.
9705         * targhooks.h (default_preferred_reload_class): Declare.
9706         * reload.c (find_dummy_reload): Change preferred_class variable type
9707         from enum reg_class to reg_class_t. Use TARGET_PREFERRED_RELOAD_CLASS
9708         target hook.
9709         (find_reloads): Change goal_alternative array type from int to
9710         reg_class_t. Use TARGET_PREFERRED_RELOAD_CLASS target hook.
9711         (push_reload, find_reloads_address_part): Use
9712         TARGET_PREFERRED_RELOAD_CLASS target hook.
9713         * reload1.c (emit_input_reload_insns): Ditto.
9714         * ira-costs.c (copy_cost): Use TARGET_PREFERRED_RELOAD_CLASS target
9715         hook. Change rclass argument and secondary_class variable types from
9716         'enum reg_class' to reg_class_t.
9717
9718         * config/i386/i386.h (PREFERRED_RELOAD_CLASS): Remove.
9719         * config/i386/i386-protos (ix86_preferred_reload_class): Remove.
9720         * config/i386/i386.c (ix86_preferred_reload_class): Make static.
9721         Change regclass argument and result types from enum reg_class to
9722         reg_class_t.
9723         (TARGET_PREFERRED_RELOAD_CLASS): Define.
9724
9725 2010-10-11  Eric Botcazou  <ebotcazou@adacore.com>
9726
9727         * simplify-rtx.c (simplify_unary_operation_1): Use unsigned arithmetics
9728         in masking operations.
9729         (simplify_const_unary_operation): Likewise.
9730         (simplify_binary_operation_1): Likewise.
9731         (simplify_const_binary_operation): Likewise.
9732         (simplify_const_relational_operation): Likewise.
9733         (simplify_ternary_operation): Likewise.
9734         (simplify_immed_subreg): Likewise.
9735
9736 2010-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9737
9738         PR middle-end/45862
9739         * doc/tm.texi.in (SUPPORTS_WEAK): Update.
9740         (TARGET_SUPPORTS_WEAK): New.
9741         * doc/tm.texi: Regenerate.
9742         * defaults.h (SUPPORTS_WEAK): Update comment.
9743         (TARGET_SUPPORTS_WEAK): New.
9744         * dwarf2asm.c (USE_LINKONCE_INDIRECT): Update define.
9745         * varasm.c (assemble_external): Use TARGET_SUPPORTS_WEAK instead of
9746         SUPPORTS_WEAK.
9747         (merge_weak, declare_weak, do_assemble_alias, supports_one_only,
9748         make_decl_one_only): Likewise.
9749         * config/pa/som.h (SUPPORTS_WEAK): Rename defines to
9750         TARGET_SUPPORTS_WEAK.
9751         (SUPPORTS_ONE_ONLY, MAKE_DECL_ONE_ONLY): Use TARGET_SUPPORTS_WEAK
9752         instead of SUPPORTS_WEAK.
9753
9754 2010-10-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9755
9756         * config/sparc/gmon-sol2.c: Don't include coretypes.h, tm.h.
9757
9758 2010-10-11  Nathan Froyd  <froydnj@codesourcery.com>
9759
9760         * vec.h (VEC_qsort): Define.
9761         * dbxout.c (output_used_types): Use it.
9762         * df-scan.c (df_sort_and_compress_refs): Likewise.
9763         (df_sort_and_compress_mws): Likewise.
9764         * genautomata.c (uniq_sort_alt_states): Likewise.
9765         (evaluate_equiv_classes): Likewise.
9766         (output_trans_table): Likewise.
9767         (output_state): Likewise.
9768         * gimplify.c (compare_case_labels): Likewise.
9769         * graphite-sese-to-poly.c (graphite_sort_dominated_info): Likewise.
9770         * ipa.c (build_cdtor_fns): Likewise.
9771         * lto.c (lto_wpa_write_files): Likewise.
9772         * sel-sched.c (fill_vec_av_set): Likewise.
9773         * tree-predcom.c (determine_roots_comp): Likewise.
9774         * tree-sra.c (sort_and_spliace_var_accesses): Likewise.
9775         (splice_param_accesses): Likewise.
9776         * tree-ssa-live.c (dump_enumerated_decls): Likewise.
9777         * tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
9778         (reassociate_bb): Likewise.
9779         * tree-ssa-sccvn.c (sort_scc): Likewise.
9780         * tree-ssa-structalias.c (sort_fieldstack): Likewise.
9781
9782 2010-10-11  Ian Lance Taylor  <iant@google.com>
9783
9784         * tree.h (TREE_THIS_NOTRAP): Use TREE_CHECK5.
9785         * emit-rtl.c (set_mem_attributes_minus_bitpos): Only check
9786         TREE_THIS_NOTRAP when appropriate.
9787         (get_spill_slot_decl): Don't set TREE_THIS_NOTRAP on the new VAR_DECL.
9788         * gimplify.c (gimplify_expr): Copy NOTRAP from INDIRECT_REF to
9789         newly created MEM_REF.
9790
9791 2010-10-11  Hariharan Sandanagobalane  <hariharan@picochip.com>
9792
9793         Nathan Froyds patch to hooks FUNCTION_ARG etc.
9794         * config/picochip/picochip-protos.h (picochip_function_arg): Delete.
9795         (picochip_incoming_function_arg): Delete.
9796         (picochip_arg_advance): Delete.
9797         * config/picochip/picochip.h (FUNCTION_ARG): Delete.
9798         (FUNCTION_INCOMING_ARG): Delete.
9799         (FUNCTION_ARG_ADVANCE): Delete.
9800         * config/picochip/picochip.c (picochip_function_arg): Take a
9801         const_tree and a bool.
9802         (picochip_incoming_function_arg): Likewise.
9803         (picochip_arg_advance): Likewise.
9804         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
9805         (TARGET_FUNCTION_ARG_ADVANCE): Define.
9806
9807 2010-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9808
9809         PR middle-end/45955
9810         * ipa.c (build_cdtor): Delete endless loop.
9811
9812 2010-10-07  Andi Kleen  <ak@linux.intel.com>
9813
9814         * Makefile.in (MOSTLYCLEANFILES): Remove cc1*dummy, add
9815         checksum-options.
9816         (checksum-options): Add.
9817         (cc1-dummy): Remove.
9818         (cc1-checksum): Change to run checksum over object files
9819         and options only.
9820         * dummy-checksum.c: Remove.
9821         * genchecksum.c: Update copyright.
9822         (usage): Allow multiple arguments.
9823         (BLOCKSIZE): Add.
9824         (dosum): Change for incremental checksum. Remove C output.
9825         (main): Iterate over all argument files. Add C output.
9826
9827 2010-10-11  Joseph Myers  <joseph@codesourcery.com>
9828
9829         * params.c (set_param_value_internal): New.
9830         (set_param_value): Use set_param_value_internal.
9831         (maybe_set_param_value, set_default_param_value): New.
9832         * params.h (PARAM_VALUE, PARAM_SET_P): Make into rvalues.
9833         (maybe_set_param_value, set_default_param_value): Declare.
9834         * config/arm/arm.c (arm_option_override): Use maybe_set_param_value.
9835         * config/i386/i386.c (ix86_option_override_internal): Use
9836         maybe_set_param_value.
9837         * config/ia64/ia64.c (ia64_option_default_params,
9838         TARGET_OPTION_DEFAULT_PARAMS): New.
9839         (ia64_option_optimization): Move some code to
9840         ia64_option_default_params.
9841         * config/picochip/picochip.c (picochip_option_override): Use
9842         maybe_set_param_value.
9843         * config/rs6000/rs6000.c (rs6000_option_default_params,
9844         TARGET_OPTION_DEFAULT_PARAMS): New.
9845         (rs6000_option_override_internal): Use maybe_set_param_value.
9846         (rs6000_option_optimization): Move some code to
9847         rs6000_option_default_params.
9848         * config/s390/s390.c (s390_option_override): Use maybe_set_param_value.
9849         * config/sh/sh.c (sh_option_default_params,
9850         TARGET_OPTION_DEFAULT_PARAMS): New.
9851         (sh_option_optimization): Move some code to sh_option_default_params.
9852         * config/sparc/sparc.c (sparc_option_override): Use
9853         maybe_set_param_value.
9854         * config/spu/spu.c (spu_option_default_params,
9855         TARGET_OPTION_DEFAULT_PARAMS): New.
9856         (spu_option_optimization): Move some code to spu_option_default_params.
9857         (spu_option_override): Use maybe_set_param_value.
9858         * doc/tm.texi.in (TARGET_OPTION_DEFAULT_PARAMS): New @hook.
9859         * doc/tm.texi: Regenerate.
9860         * ggc-common.c (init_ggc_heuristics): Use set_default_param_value.
9861         * opts.c (init_options_once): Use PARAM_VALUE not direct access to
9862         compiler_params.
9863         (default_options_optimization): Use maybe_set_param_value.
9864         (finish_options): Use maybe_set_param_value.
9865         * target.def (target_option.default_params): New hook.
9866         * toplev.c (general_init): Call targetm.target_option.default_params.
9867
9868 2010-10-11  Ira Rosen  <irar@il.ibm.com>
9869
9870         PR tree-optimization/45902
9871         * tree-vect-slp.c (vect_get_constant_vectors): Use statement's
9872         vector type for constants, unless it's a pointer.
9873
9874 2010-10-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
9875
9876         * config/s390/s390.md (*mov<mode>cc): lgoc -> locg and stgoc -> stocg.
9877
9878 2010-10-11  Jakub Jelinek  <jakub@redhat.com>
9879
9880         PR target/45870
9881         * config/i386/i386.c (ix86_delegitimize_tls_address): New function.
9882         (ix86_delegitimize_address): Use it.
9883
9884 2010-10-10  Eric Botcazou  <ebotcazou@adacore.com>
9885
9886         * opt-functions.awk (opt_sanitized_name): Remove gdwarf+ handling.
9887
9888 2010-10-10  Uros Bizjak  <ubizjak@gmail.com>
9889
9890         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Pass pointer
9891         to cum struct in the call to function_arg_advance.
9892         (alpha_function_arg_advance): Mark named as unused.
9893
9894 2010-10-10  Richard Sandiford  <rdsandiford@googlemail.com>
9895
9896         * config/mips/mips.c (mips_handle_option): Make "value" with
9897         ATTRIBUTE_UNUSED.
9898
9899 2010-10-09  Richard Henderson  <rth@redhat.com>
9900
9901         PR rtl-opt/33721
9902         * explow.c (allocate_dynamic_stack_space): Add REQUIRED_ALIGN parm,
9903         remove TARGET parm, convert KNOWN_ALIGN parm to SIZE_ALIGN.  Honor
9904         required_align, tidy the code a bit.  Emit split_stack code in the
9905         right place.  Mark the return value with the alignment properly.
9906         * expr.h (allocate_dynamic_stack_space): Update decl.
9907         * builtins.c (expand_builtin_apply): Update call to
9908         allocate_dynamic_stack_space.
9909         (expand_builtin_alloca): Likewise.  Remove TARGET parameter.
9910         * calls.c (initialize_argument_information): Update call to
9911         allocate_dynamic_stack_space.
9912         (expand_call): Likewise.
9913
9914         * cfgexpand.c (get_decl_align_unit): Don't limit alignment.
9915         Don't update_stack_alignment here.
9916         (alloc_stack_frame_space): Make ALIGN unsigned.
9917         (stack_var_cmp): Sort by alignment too.
9918         (partition_stack_vars): Don't merge large and small alignment vars.
9919         (expand_one_stack_var_at): Add BASE and BASE_ALIGN parameters.
9920         Take care when BASE is not virtual_stack_vars_rtx.
9921         (expand_stack_vars): Allocate dynamic stack space for large
9922         alignment variables.
9923         (expand_one_stack_var): Update all to expand_one_stack_var_at.
9924         (defer_stack_allocation): True for large alignment vars.
9925         (update_stack_alignment): Merge into ...
9926         (expand_one_var): ... here.
9927         (gimple_expand_cfg): Place code from expand_stack_vars.
9928
9929 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
9930
9931         * config/pdp11/pdp11.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
9932         * config/pdp11/pdp11.c (pdp11_function_arg): New function.
9933         (pdp11_function_arg_advance): New function.
9934         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
9935
9936 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
9937
9938         * libgcc2.h: Use __SIZEOF_LONG_LONG__ instead of LONG_LONG_TYPE_SIZE.
9939         * libgcc2.c: Likewise.
9940
9941 2010-10-09  Richard Guenther  <rguenther@suse.de>
9942
9943         PR lto/45956
9944         * lto-streamer-in.c (lto_register_var_decl_in_symtab):
9945         Properly check if a decl is an automatic var.
9946
9947 2010-10-09  Richard Guenther  <rguenther@suse.de>
9948
9949         PR lto/45947
9950         * tree.c (free_lang_data_in_cgraph): Properly walk the varpool.
9951
9952 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
9953
9954         * config/mmix/mmix-protos.h (mmix_function_arg): Delete.
9955         * config/mmix/mmix.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
9956         * config/mmix/mmix.c (mmix_function_arg): Rename to...
9957         (mmix_function_arg_1): ...this.  Make static.  Take a const_tree and
9958         bool arguments.
9959         (mmix_function_arg): New function.
9960         (mmix_function_incoming_arg): New function.
9961         (mmix_function_arg_advance): New function.
9962         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_INCOMING_ARG): Define.
9963         (TARGET_FUNCTION_ARG_ADVANCE): Define.
9964
9965 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
9966
9967         * config/vax/vax.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
9968         * config/vax/vax.c (vax_function_arg): New function.
9969         (vax_function_arg_advance): New function.
9970         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
9971
9972 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
9973
9974         * config/pa/pa-protos.h (function_arg): Delete.
9975         * config/pa/pa.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
9976         * config/pa/pa.c (function_arg): Rename to...
9977         (pa_function_arg): ...this.  Make static.  Take a const_tree and
9978         a bool.
9979         (pa_function_arg_advance): New function.
9980         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
9981
9982 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
9983
9984         * config/m68k/m68k.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
9985         * config/m68k/m68k.c (m68k_function_arg): New function.
9986         (m68k_function_arg_advance): New function.
9987         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
9988
9989 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
9990
9991         * config/avr/avr-protos.h (function_arg): Delete.
9992         (function_arg_advance): Delete.
9993         * config/avr/avr.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
9994         * config/avr/avr.c (function_arg): Rename to...
9995         (avr_function_arg): ...this.  Make static.  Take a const_tree and
9996         a bool.
9997         (function_arg_advance): Rename to...
9998         (avr_function_arg_advance): ...this.  Make static.  Take a
9999         const_tree and a bool.
10000         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
10001
10002 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
10003
10004         * config/alpha/alpha-protos.h (function_arg): Delete.
10005         * config/alpha/alpha.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
10006         * config/alpha/vms.h (FUNCTION_ARG_ADVANCE): Delete.
10007         * config/alpha/alpha.c (function_arg): Rename to...
10008         (alpha_function_arg): ...this.  Make static.  Take a const_tree and
10009         a bool.  Delete TARGET_ABI_UNICOSMK code.
10010         (alpha_function_arg_advance): New function.
10011         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
10012
10013 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
10014
10015         * config/mep/mep-protos.h (mep_function_arg): Delete.
10016         (mep_function_arg_advance): Delete.
10017         * config/mep/mep.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
10018         * config/mep/mep.c (mep_function_arg): Make static.  Take a
10019         const_tree and a bool.
10020         (mep_function_arg_advance): Likewise.
10021         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
10022
10023 2010-10-09  Richard Guenther  <rguenther@suse.de>
10024
10025         PR tree-optimization/45945
10026         * tree-ssa.c (execute_update_addresses_taken): Fixup LHS scanning.
10027
10028 2010-10-09  Eric Botcazou  <ebotcazou@adacore.com>
10029
10030         PR tree-optimization/45612
10031         * ipa-split.c (test_nonssa_use): Remove bogus ATTRIBUTE_UNUSED.
10032         Test LABEL_DECLs as well.  Fix formatting issues.
10033         (verify_non_ssa_vars): Return false for a GIMPLE_LABEL statement
10034         whose label is present in NON_SSA_VARS.
10035         (mark_nonssa_use): Remove bogus ATTRIBUTE_UNUSED.  Handle LABEL_DECLs
10036         as well.  Fix formatting issues.
10037         (visit_bb): Fix typos and formatting issue.
10038
10039 2010-10-09  Nathan Froyd  <froydnj@codesourcery.com>
10040
10041         PR tree-optimization/45950
10042         * tree-ssa-sccvn.c (init_vn_nary_op_from_pieces): Consult length
10043         before initializing vno->op.
10044
10045 2010-10-09  Ralf Corsépius  <ralf.corsepius@rtems.org>
10046
10047         * config.gcc (bfin*-rtems*): Add newlib-stdint.h.
10048         * config.gcc (lm32*-rtems*): Add newlib-stdint.h.
10049
10050 2010-10-08  H.J. Lu  <hongjiu.lu@intel.com>
10051
10052         PR target/45913
10053         * config/i386/i386.c (ix86_binary_operator_ok): Support
10054         "andhi/andsi/anddi" as a zero-extending move.
10055
10056 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10057
10058         * builtins.c (fold_call_stmt): Don't copy gimple call arguments
10059         into a temporary array.
10060
10061 2010-10-08  Jakub Jelinek  <jakub@redhat.com>
10062
10063         PR tree-optimization/45903
10064         * simplify-rtx.c (simplify_subreg): Optimize lowpart SUBREG
10065         of {A,L}SHIFTRT of MEM.
10066
10067 2010-10-08  Richard Guenther  <rguenther@suse.de>
10068
10069         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
10070         Re-construct BLOCK_VARS.
10071         (lto_input_ts_block_tree_pointers): Do not stream BLOCK_VARS.
10072         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
10073         * tree.c (free_lang_data_in_block): Remove.
10074         (free_lang_data_in_decl): Do not touch DECL_CONTEXT of non-PARM_DECLs.
10075         Do not touch the BLOCK tree.
10076         * expr.c (expand_expr_real_1): Allow externals.
10077
10078 2010-10-08  Richard Guenther  <rguenther@suse.de>
10079
10080         * lto-streamer-out.c (lto_output_ts_block_tree_pointers):
10081         Do not output BLOCK_SUBBLOCKS.
10082         * lto-streamer-in.c (lto_input_ts_block_tree_pointers):
10083         Reserve exact space needed for BLOCK_NONLOCALIZED_VARS.
10084         Re-construct BLOCK_SUBBLOCKS of parent block.
10085         (lto_input_ts_binfo_tree_pointers): Reserve exact space needed
10086         for BINFO_BASE_ACCESSES.
10087
10088 2010-10-08  Joseph Myers  <joseph@codesourcery.com>
10089
10090         * Makefile.in (TM_H): Include $(FLAGS_H) instead of options.h.
10091         (TREE_H): Include $(FLAGS_H) instead of options.h.
10092         (opts-common.o): Depend on $(FLAGS_H) instead of options.h.
10093         * c-objc-common.h (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
10094         * common.opt (flag_complex_method, flag_evaluation_order,
10095         flag_ira_algorithm, flag_ira_region, flag_warn_unused_result): New
10096         Variable declarations.
10097         * configure.ac (tm_include_list): Include flags.h instead of options.h.
10098         * configure: Regenerate.
10099         * flags.h: Condition out contents for target libraries.  Include
10100         options.h at end of file.
10101         (flag_complex_method, flag_ira_algorithm, flag_ira_region,
10102         flag_evaluation_order, flag_warn_unused_result): Remove.
10103         * gcc.c (main): Intialize global_options with global_options_init.
10104         * langhooks-def.h (lhd_init_options_struct): Declare.
10105         (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
10106         (LANG_HOOKS_INITIALIZER): Include LANG_HOOKS_INIT_OPTIONS_STRUCT.
10107         * langhooks.c (lhd_init_options_struct): New.
10108         * langhooks.h (struct lang_hooks): Add init_options_struct.
10109         Update comment on init_options.
10110         * optc-gen.awk: Generate initializer for global_options_init, not
10111         global_options.
10112         * opth-gen.awk: Condition out structure declarations for target
10113         libraries.  Declare global_options_init.
10114         * opts-common.c: Include flags.h instead of options.h.
10115         * opts.c (flag_warn_unused_result): Remove.
10116         (read_cmdline_options): Take gcc_options parameters.  Pass them to
10117         read_cmdline_option.
10118         (initial_lang_mask, initial_min_crossjump_insns,
10119         initial_max_fields_for_field_sensitive,
10120         initial_loop_invariant_max_bbs_in_loop): Define at file scope.
10121         (init_options_once): New.  Split out of decode_options.
10122         (init_options_struct): New.  Split out of decode_options.
10123         (decode_cmdline_options_to_array_default_mask): New.
10124         (default_options_optimization): New.  Split out of decode_options.
10125         (decode_options): Move most code to other functions.  Update call
10126         to read_cmdline_options.
10127         (finish_options): New.  Split out of decode_options.
10128         * opts.h (decode_options): Add gcc_options parameters.
10129         (init_options_once, init_options_struct,
10130         decode_cmdline_options_to_array_default_mask): New.
10131         * toplev.c (flag_complex_method, flag_ira_algorithm,
10132         flag_ira_region, flag_evaluation_order): Remove.
10133         (general_init): Use global_options_init for initial flag values
10134         for global_dc.
10135         (toplev_main): Call init_options_once, init_options_struct,
10136         lang_hooks.init_options_struct,
10137         decode_cmdline_options_to_array_default_mask and
10138         lang_hooks.init_option before decode_options.  Update arguments to
10139         decode_options.
10140         * tree.h: Include flags.h instead of options.h.
10141
10142 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10143
10144         * config/rx/rx.c (TARGET_EXCEPT_UNWIND_INFO): Define.
10145
10146 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10147
10148         * config/sparc/sparc-protos.h (function_arg_advance, function-arg):
10149         Delete.
10150         * config/sparc/sparc.h (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Delete.
10151         (FUNCTION_INCOMING_ARG): Delete.
10152         * config/sparc/sparc.c (scan_record_type): Const-ify tree argument.
10153         (function_arg_slotno): Likewise.  Take bool arguments.
10154         (sparc_arg_partial_bytes): Update call to it.
10155         (function_arg): Rename to...
10156         (sparc_function_arg_1): ...this.  Take bool arguments.
10157         (sparc_function_arg, sparc_function_incoming_arg): New functions.
10158         (function_arg_advance): Rename to...
10159         (sparc_function_arg_advance): ...this.  Take bool argument.
10160         (TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG): Define.
10161         (TARGET_FUNCTION_INCOMING_ARG): Define.
10162
10163 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10164
10165         * config/bfin/bfin-protos.h (function_arg, function_arg_advance):
10166         Delete.
10167         * config/bfin/bfin.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
10168         * config/bfin/bfin.c (function_arg_advance): Rename to...
10169         (bfin_function_arg_advance): ...this.  Make static.  Take const_tree
10170         and bool arguments.
10171         (function_arg): Rename to...
10172         (bfin_function_arg): ...this.  Make static.  Take const_tree and bool
10173         arguments.
10174         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
10175
10176 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10177
10178         * config/score/score-protos.h (score_function_arg): Delete.
10179         (score_function_arg_advance): Delete.
10180         * config/score/score3.h (score3_function_arg_advance): Take a
10181         const_tree and a bool.
10182         (score3_function_arg): Likewise.
10183         * config/score/score7.h (score7_function_arg_advance): Likewise.
10184         (score7_function_arg): Likewise.
10185         * config/score/score3.c (score3_classify_arg): Likewise.
10186         (score3_function_arg_advance, score3_function_arg): Likewise.
10187         * config/score/score7.c (score7_classify_arg): Likewise.
10188         (score7_function_arg_advance, score7_function_arg): Likewise.
10189         * config/score/score.c (score_function_arg_advance): Likewise.
10190         (score_function_arg): Likewise.  De-const-ify `cum' argument.
10191         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
10192
10193 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10194
10195         * config/s390/s390-protos.h (s390_function_arg_advance): Delete.
10196         (s390_function_arg): Delete.
10197         * config/s390/s390.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
10198         * config/s390/s390.c (s390_function_arg_float): Take a const_tree.
10199         (s390_function_arg_integer): Likewise.
10200         (s390_function_arg_advance): Make static.  Take a const_tree and
10201         a bool.
10202         (s390_function_arg): Likewise.
10203         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
10204
10205 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10206
10207         * config/spu/spu-protos.h (spu_function_arg): Delete.
10208         * config/spu/spu.h (FUNCTION_ARG): Delete.
10209         (FUNCTION_ARG_ADVANCE): Move code to ...
10210         * config/spu/spu.c (spu_function_arg_advance): New function.
10211         (spu_function_arg): Make static.  Take a const_tree and a bool.
10212         (spu_setup_incoming_varargs): Call spu_function_arg_advance.
10213         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
10214
10215 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10216
10217         * config/rx/rx.c (TARGET_EXCEPT_UNWIND_INFO): Define.
10218
10219 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10220
10221         * tree-ssa-sccvn.c (init_vn_nary_op_from_pieces): New function.
10222         (init_vn_nary_op_from_op): New function.
10223         (init_vn_nary_op_from_stmt): New function.
10224         (vn_nary_op_lookup_1): New function.
10225         (sizeof_vn_nary_op): New function.
10226         (alloc_vn_nary_op_noinit): New function.
10227         (alloc_vn_nary_op): New function.
10228         (vn_nary_op_insert_into): New function.
10229         (vn_nary_op_lookup_pieces): Rewrite to use new helper functions.
10230         (vn_nary_op_lookup): Likewise.
10231         (vn_nary_op_lookup_stmt): Likewise.
10232         (vn_nary_op_insert_pieces): Likewise.
10233         (vn_nary_op_insert): Likewise.
10234         (vn_nary_op_insert_stmt): Likewise.
10235         (copy_nary): Likewise.
10236         (set_value_id_for_result): New function.
10237         (set_hashtable_value_ids): Call it.
10238
10239 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10240
10241         * config/fr30/fr30.c (TARGET_EXCEPT_UNWIND_INFO): Define.
10242         * config/fr30/fr30.md (leave_func): Rewrite without post_inc.
10243
10244 2010-10-08  Nathan Froyd  <froydnj@codesourcery.com>
10245
10246         * config/mcore/mcore.h (INCOMING_RETURN_ADDR_RTX): Define.
10247         * config/mcore/mcore.c (TARGET_EXCEPT_UNWIND_INFO): Define.
10248
10249 2010-10-08  Alexandre Oliva  <aoliva@redhat.com>
10250
10251         PR debug/45656
10252         * cse.c (cse_extended_basic_block): Preserve cc0 info across
10253         debug isnsn.  Skip them when searching for cc0 setter.
10254         (set_live_p): Skip debug insns when searching for cc0 user.
10255
10256 2010-10-08  Alexandre Oliva  <aoliva@redhat.com>
10257
10258         PR debug/45673
10259         PR debug/45604
10260         PR debug/45419
10261         PR debug/45408
10262         * tree-pretty-print.c (dump_generic_node): Explicitly dump the
10263         type of MEM_REFs to INTEGER_CSTs.
10264
10265 2010-10-07  Nathan Froyd  <froydnj@codesourcery.com>
10266
10267         * config/m68hc11/m68hc11.c (m68hc11_print_operand): Call
10268         m68hc11_print_operand_address.
10269
10270 2010-10-07  Nathan Froyd  <froydnj@codesourcery.com>
10271
10272         * builtins.c (rewrite_call_expr): Move code to...
10273         (rewrite_call_expr_valist): ...here.  Call build_call_expr_loc_array.
10274         (rewrite_call_expr_array): New function.
10275         (fold_builtin_sprintf_chk_1): New function.
10276         (fold_builtin_sprintf_chk): Call it.
10277         (gimple_fold_builtin_sprintf_chk): Likewise.
10278         (fold_builtin_snprintf_chk_1): New function.
10279         (fold_builtin_snprintf_chk): Call it.
10280         (gimple_fold_builtin_snprintf_chk): Likewise.
10281         (gimple_rewrite_call_expr): Delete.
10282
10283 2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>
10284
10285         * config.host: Update copyright year.
10286
10287 2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>
10288
10289         * config.host (host_lto_plugin_soname): New shell variable.
10290         * configure.ac (LTOPLUGINSONAME): Add an AC_DEFINE for the above.
10291         * config.in: Regenerate.
10292         * configure: Regenerate.
10293         * gcc.c (main): Use LTOPLUGINSONAME instead of hard-coding name of
10294         LTO plugin shared library.
10295
10296 2010-10-07  Richard Henderson  <rth@redhat.com>
10297
10298         * target.h (enum unwind_info_type): Move ...
10299         * coretypes.h: ... here.
10300
10301 2010-10-07  Nicola Pero  <nicola.pero@meta-innovation.com>
10302
10303         * doc/objc.texi (Fast enumeration protocol): Mention that
10304         'unsigned int' can also be used instead of 'unsigned long' in
10305         countByEnumeratingWithState:objects:count:.
10306
10307 2010-10-07  Martin Jambor  <mjambor@suse.cz>
10308
10309         * tree-sra.c (struct access): New field grp_assignment_write.
10310         (dump_access): Dump grp_assignment_write.
10311         (build_accesses_from_assign): Set grp_assignment_write.
10312         (sort_and_splice_var_accesses): Aggregate grp_assignment_write.
10313         (mark_read_status): Renamed to mark_rw_status, individual values
10314         renamed too.
10315         (analyze_access_subtree): Changed type of mark_write to
10316         mark_read_status.  Fixed propagating of mark_read and
10317         mark_write.  Changed benefit estimate.  Updated comment.
10318
10319 2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>
10320
10321         PR Tree-Vect/45847
10322         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Add NULL
10323         check for vectype_out returned by get_vectype_for_scalar_type().
10324
10325 2010-10-07  Tejas Belagod  <tejas.belagod@arm.com>
10326
10327         PR target/45805
10328         * config/arm/neon.md (neon_unpack<US>_<mode>): Add 'w' to
10329         constraint, add register specifier in instruction template.
10330         (neon_vec_pack_trunc_<mode>): Likewise.
10331         (neon_vec_<US>mult_<mode>): Add register specifier to
10332         instruction template.
10333
10334 2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>
10335
10336         * config.gcc (c_target_objs)[i?86-*-pe|i?86-*-cygwin*]: Don't add
10337         cygwin2.o.
10338         (cxx_target_objs)[i?86-*-pe|i?86-*-cygwin*]: Likewise.
10339         (extra_gcc_objs)[i?86-*-pe|i?86-*-cygwin*]: Don't add cygwin1.o.
10340         * config/i386/t-cygwin (cygwin1.o): Delete build rule.
10341         (cygwin2.o): Likewise.
10342         * config/i386/cygwin1.c: Delete file.
10343         * config/i386/cygwin2.c: Likewise.
10344         * config/i386/cygwin.h (CPP_SPEC): Remove all %{mno-cygwin} specs and
10345         make all {%!mno-cygwin} ones unconditional.
10346         (STARTFILE_SPEC): Likewise.
10347         (REAL_LIBGCC_SPEC): Likewise.
10348         (LIB_SPEC): Likewise.
10349         (CXX_WRAP_SPEC): Likewise.
10350         (LINK_SPEC): Likewise.
10351         (CYGWIN_MINGW_SUBDIR): Delete now-unused macro definition.
10352         (CYGWIN_MINGW_SUBDIR_LEN): Likewise.
10353         (cygwin_gplusplus_include_dir): Delete now-unused array.
10354         (GPLUSPLUS_INCLUDE_DIR): Don't redefine to point to it.
10355         (cygwin_gplusplus_tool_include_dir): Delete now-unused array.
10356         (GPLUSPLUS_TOOL_INCLUDE_DIR): Don't redefine to point to it.
10357         (cygwin_gplusplus_backward_include_dir): Delete now-unused array.
10358         (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Don't redefine to point to it.
10359         (cygwin_local_include_dir): Delete now-unused array.
10360         (LOCAL_INCLUDE_DIR): Don't redefine to point to it.
10361         (cygwin_cross_include_dir): Delete now-unused array.
10362         (CROSS_INCLUDE_DIR): Don't redefine to point to it.
10363         (cygwin_tool_include_dir): Delete now-unused array.
10364         (TOOL_INCLUDE_DIR): Don't redefine to point to it.
10365         (cygwin_standard_include_dir): Delete now-unused array.
10366         (STANDARD_INCLUDE_DIR): Don't redefine to point to it.
10367         (GEN_CVT_ARRAY): Delete now-unused macro definition.
10368         (cvt_to_mingw): Delete now-unused array.
10369         (mingw_scan): Remove prototype of deleted function.
10370         (GCC_DRIVER_HOST_INITIALIZATION): Don't define now-unused target macro.
10371         * config/i386/cygming.opt (mcygwin): Delete target-specific option.
10372         * doc/invoke.texi (-mcygwin): Don't document removed option.
10373         (-mno-cygwin): Likewise.
10374
10375 2010-10-07  Richard Guenther  <rguenther@suse.de>
10376
10377         * machmode.h (mode_for_vector): Declare.
10378         * stor-layout.c (mode_for_vector): New function, split out from ...
10379         (layout_type): ... here.
10380         * tree-vectorizer.h (current_vector_size): Declare.
10381         * tree-vect-stmts.c (perm_mask_for_reverse): Check if the
10382         mask vector type is available.
10383         (get_vectype_for_scalar_type): Rename to ...
10384         (get_vectype_for_scalar_type_and_size): ... this.  Get a vector
10385         size argument.
10386         (get_vectype_for_scalar_type): New wrapper around
10387         get_vectype_for_scalar_type_and_size using current_vector_size.
10388         (get_same_sized_vectype): Use get_vectype_for_scalar_type_and_size.
10389         * tree-vect-loop.c (vect_analyze_loop_2): Split out core part
10390         of vect_analyze_loop here.
10391         (vect_analyze_loop): Loop over vector sizes calling vect_analyze_loop_3.
10392         * tree-vect-slp.c (vect_slp_analyze_bb): Set current_vector_size
10393         to autodetect.
10394         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Fix
10395         V8SF to V8SI conversion builtin.
10396
10397 2010-10-07  Richard Guenther  <rguenther@suse.de>
10398
10399         * target.def (autovectorize_vector_sizes): New target hook.
10400         * targhooks.c (default_autovectorize_vector_sizes): New function.
10401         * targhooks.h (default_autovectorize_vector_sizes): Declare.
10402         * doc/tm.texi.in (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES):
10403         Document.
10404         * doc/tm.texi: Update.
10405         * config/i386/i386.c (ix86_autovectorize_vector_sizes): New function.
10406         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
10407
10408 2010-10-07  Richard Guenther  <rguenther@suse.de>
10409
10410         * target.def (units_per_simd_word): Rename to ...
10411         (preferred_simd_mode): ... this.  Return mode instead of size.
10412         * targhooks.c (default_units_per_simd_word): Rename to ...
10413         (default_preferred_simd_mode): ... this.  Return word_mode.
10414         * targhooks.h (default_preferred_simd_mode): Declare.
10415         * config/arm/arm.c (arm_units_per_simd_word): Rename to ...
10416         (arm_preferred_simd_mode): ... this.  Re-implement.
10417         * config/i386/i386.c (ix86_units_per_simd_word): Rename to ...
10418         (ix86_preferred_simd_mode): ... this.  Re-implement.
10419         * config/sparc/sparc.c (sparc_units_per_simd_word): Rename to ...
10420         (sparc_preferred_simd_mode): ... this.  Re-implement.
10421         * config/mips/mips.c (mips_units_per_simd_word): Rename to ...
10422         (mips_preferred_simd_mode): ... this.  Re-implement.
10423         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Rename to ...
10424         (rs6000_preferred_simd_mode): ... this.  Re-implement.
10425         * tree-vect-stmts.c (get_vectype_for_scalar_type): Adjust.
10426         * doc/tm.texi.in (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Remove.
10427         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Document.
10428         * doc/tm.texi: Update.
10429
10430 2010-10-07  Richard Guenther  <rguenther@suse.de>
10431
10432         PR middle-end/45869
10433         * tree-cfg.c (verify_gimple_assign_binary): Allow vector shifts
10434         of pointers.
10435
10436 2010-10-07  Alan Modra  <amodra@gmail.com>
10437
10438         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use gen_int_mode
10439         rather than sign extension by hand.
10440
10441 2010-10-07  Jan Hubicka  <jh@suse.cz>
10442
10443         PR middle-end/45926
10444         * ipa.c (cgraph_remove_unreachable_nodes): Revert my previous patch.
10445
10446 2010-10-07  Richard Guenther  <rguenther@suse.de>
10447
10448         PR bootstrap/45914
10449         * configure.ac: Fix typo.
10450         * configure: Regenerated.
10451
10452 2010-10-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
10453
10454         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Don't use
10455         define_builtin_std where it's unnecessary.
10456         * config/i386/nto.h (TARGET_OS_CPP_BUILTINS): Likewise.
10457
10458 2010-10-06  Anatoly Sokolov  <aesok@post.ru>
10459
10460         * doc/tm.texi.in (CLASS_LIKELY_SPILLED_P): Remove documentation.
10461         * doc/tm.texi.in: Regenerate.
10462         * system.h (CLASS_LIKELY_SPILLED_P): Poison.
10463         * targhooks.c (default_class_likely_spilled_p): Don't use the
10464         CLASS_LIKELY_SPILLED_P macro.
10465
10466         * config/arm/arm.md: Update comment.
10467
10468 2010-10-06  Jan Hubicka  <jh@suse.cz>
10469
10470         * ipa.c (cgraph_remove_unreachable_nodes): External references can
10471         always be removed.
10472         (cgraph_externally_visible_p): We can not bring local comdats that
10473         are known to linker; fix handling of internal visibility.
10474         (function_and_variable_visibility): Likewise.
10475
10476 2010-10-06  Eric Botcazou  <ebotcazou@adacore.com>
10477
10478         PR rtl-optimization/45394
10479         * combine.c (cleanup_auto_inc_dec): Remove AFTER parameter and adjust.
10480         (struct rtx_subst_pair): Remove AFTER field.
10481         (propagate_for_debug_subst): Adjust call to cleanup_auto_inc_dec.
10482         (propagate_for_debug): Remove MOVE parameter and adjust.
10483         (try_combine): In the special case where I2 is a PARALLEL, combine only
10484         destinations of SETs and set I2SRC to the I2 source.
10485         Adjust calls to propagate_for_debug throughout.
10486         * reload1.c (eliminate_regs_1) <ASM_OPERANDS>: Do not abort for debug
10487         insns.
10488
10489 2010-10-06  Olivier Hainque  <hainque@adacore.com>
10490
10491         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Rewrite
10492         switch on insn codes as sequence of ifs.
10493
10494 2010-10-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
10495
10496         * config/picochip/picochip.c (TARGET_EXCEPT_UNWIND_INFO): Define it to
10497         be UI_NONE for picochip.
10498         (picochip_option_override): Do not disable exception flags.
10499         * config/picochip/picochip-protos.h (picochip_except_unwind_info):
10500         Declare.
10501
10502 2010-10-06  Richard Guenther  <rguenther@suse.de>
10503
10504         * Makefile.in (regmove.o): Depend on $(TARGET_H).
10505
10506 2010-10-06  Nicola Pero  <nicola.pero@meta-innovation.com>
10507
10508         Implemented fast enumeration for Objective-C.
10509         * c-parser.c (objc_could_be_foreach_context): New.
10510         (c_lex_one_token): Recognize RID_IN keyword in a potential
10511         Objective-C foreach context.
10512         (c_parser_declaration_or_fndef): Added parameter.  Accept
10513         Objective-C RID_IN keyword as terminating a declaration; in that
10514         case, return the declaration in the new parameter.
10515         (c_parser_extenral_declaration): Updated calls to
10516         c_parser_declaration_or_fndef.
10517         (c_parser_declaration_or_fndef): Same change.
10518         (c_parser_compound_statement_nostart): Same change.
10519         (c_parser_label): Same change.
10520         (c_parser_objc_methodprotolist): Same change.
10521         (c_parser_omp_for_loop): Same change.
10522         (c_parser_for_statement): Detect and parse Objective-C foreach
10523         statements.
10524         (c_parser_omp_for_loop): Updated call to check_for_loop_decls().
10525         * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC
10526         fast enumeration parsing code to turn off the c99 error but still
10527         perform checks on the loop declarations.
10528         * c-tree.h (check_for_loop_decls): Updated declaration.
10529         * doc/objc.texi: Document fast enumeration.
10530
10531 2010-10-06  Nick Clifton  <nickc@redhat.com>
10532
10533         * config/mn10300/mn10300.h (FIRST_PSEUDO_REGISTER): Increment by one.
10534         (MDR_REGNUM): Define.
10535         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add MDR as a fixed register.
10536         (REG_CLASS_CONTENTS): Add MDR to ALL_REGS.
10537         (INCOMING_RETURN_ADDR_RTX): Define in terms of MDR.
10538         (REGISTER_NAMES): Add MDR.
10539         (DWARF2_DEBUGGING_INFO): Define to 1.
10540         * config/mn10300/mn10300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
10541         (F): New function.  Sets RTX_FRAME_RELATED_P.
10542         (mn10300_gen_multiple_store): Use F.
10543         (expand_prologue): Use F.  Use gen_movsf() to push floating
10544         point registers.
10545         (expand_epilogue): Use gen_movsf() to pop floating point registers.
10546         (mn10300_option_override): Disable combine stack adjust pass.
10547
10548 2010-10-06  Thomas Schwinge  <thomas@schwinge.name>
10549
10550         PR target/45901
10551         * config/alpha/gnu.h (TARGET_OS_CPP_BUILTINS): Refer to
10552         LINUX_TARGET_OS_CPP_BUILTINS instead of HURD_TARGET_OS_CPP_BUILTINS.
10553
10554 2010-10-06  Jakub Jelinek  <jakub@redhat.com>
10555
10556         * builtins.def (BUILT_IN_CALLOC, BUILT_IN_REALLOC,
10557         BUILT_IN_ISALNUM, BUILT_IN_ISALPHA, BUILT_IN_ISASCII,
10558         BUILT_IN_ISBLANK, BUILT_IN_ISCNTRL, BUILT_IN_ISDIGIT,
10559         BUILT_IN_ISGRAPH, BUILT_IN_ISLOWER, BUILT_IN_ISPRINT,
10560         BUILT_IN_ISPUNCT, BUILT_IN_ISSPACE, BUILT_IN_ISUPPER,
10561         BUILT_IN_ISXDIGIT, BUILT_IN_TOASCII, BUILT_IN_TOLOWER,
10562         BUILT_IN_TOUPPER): Mark as leaf.
10563
10564         PR middle-end/45838
10565         * omp-builtins.def (BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10566         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10567         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10568         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10569         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_TASK,
10570         BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Use
10571         Revert back to ATTR_NOTHROW_LIST instead of ATTR_NOTHROW_LEAF_LIST.
10572
10573 2010-10-05  Anatoly Sokolov  <aesok@post.ru>
10574
10575         * config/m68hc11/m68hc11.h (CLASS_LIKELY_SPILLED_P): Remove.
10576         * config/m68hc11/m68hc11.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
10577         (m68hc11_class_likely_spilled_p): New function.
10578
10579 2010-10-05  Nicola Pero  <nicola.pero@meta-innovation.com>
10580
10581         * c-parser.c (c_parser_objc_method_definition): Updated comment.
10582
10583 2010-10-05  Jan Hubicka  <jh@suse.cz>
10584
10585         * doc/invoke.texi (-flto-partition, lto-partitions, lto-minpartition):
10586         Document.
10587         * opts.c (decode_options): Handle lto partitions.
10588         * common.opt (flto-partition=1to1, flto-partition=balanced): New.
10589         * params.def (PARAM_LTO_PARTITIONS, MIN_PARTITION_SIZE): New.
10590
10591 2010-10-05  Jan Hubicka  <jh@suse.cz>
10592
10593         * cgraphunit.c (assemble_function): Output thunks and aliases before
10594         the function itself.
10595
10596 2010-09-29  Hariharan Sandanagobalane  <hariharan@picochip.com>
10597
10598         * config/picochip/picochip.c (picochip_option_override): Disable
10599         exception flags for picochip.
10600
10601 2010-10-05  Joseph Myers  <joseph@codesourcery.com>
10602
10603         * opts-common.c (handle_option, handle_generated_option,
10604         read_cmdline_option, set_option): Add diagnostic_context
10605         parameter.  Update calls among these functions.
10606         (set_option): Don't use global_dc.
10607         * opts.c (read_cmdline_options): Pass global_dc to read_cmdline_option.
10608         (decode_options): Pass global_dc to enable_warning_as_error.
10609         (common_handle_option): Pass global_dc to enable_warning_as_error.
10610         (enable_warning_as_error): Add diagnostic_context parameter.
10611         Document parameters.  Don't use global_dc.  Pass
10612         diagnostic_context parameter to handle_generated_option.
10613         * opts.h (set_option, handle_option, handle_generated_option,
10614         read_cmdline_option, enable_warning_as_error): Add
10615         diagnostic_context parameter.
10616         * Makefile.in (lto-opts.o): Update dependencies.
10617         * coretypes.h (struct diagnostic_context, diagnostic_context):
10618         Declare here.
10619         * diagnostic.h (diagnostic_context): Don't declare typedef here.
10620         * gcc.c (process_command): Pass global_dc to read_cmdline_option.
10621         * langhooks-def.h (struct diagnostic_context): Don't declare here.
10622         (lhd_print_error_function, lhd_initialize_diagnostics): Declare
10623         using diagnostic_context typedef.
10624         * langhooks.c (lhd_initialize_diagnostics): Declare using
10625         diagnostic_context typedef.
10626         * langhooks.h (struct diagnostic_context): Don't declare here.
10627         (initialize_diagnostics, print_error_function): Declare using
10628         diagnostic_context typedef.
10629         * lto-opts.c: Include diagnostic.h.
10630         (lto_reissue_options): Pass global_dc to set_option.  Pass
10631         DK_UNSPECIFIED not 0.
10632         * plugin.c (plugins_internal_error_function): Declare using
10633         diagnostic_context typedef.
10634         * plugin.h (struct diagnostic_context): Don't declare here.
10635         (plugins_internal_error_function): Declare using
10636         diagnostic_context typedef.
10637
10638 2010-10-05  Olivier Hainque  <hainque@adacore.com>
10639             Nicolas Roche  <roche@adacore.com>
10640
10641         * config/vxworksae.h: Add missing VXWORKS_OS_CPP_BUILTINS.
10642         * config/rs6000/vxworks.h: Remove redundant CPP builtin definitions.
10643
10644 2010-10-05  Ira Rosen  <irar@il.ibm.com>
10645
10646         PR tree-optimization/45752
10647         * tree-vect-slp.c (vect_get_mask_element): Remove static
10648         variables, make them function arguments.
10649         (vect_transform_slp_perm_load): Pass new arguments to
10650         vect_get_mask_element.
10651
10652 2010-10-05  Richard Guenther  <rguenther@suse.de>
10653
10654         * value-prof.c (gimple_divmod_fixed_value): Work on SSA form.
10655         (gimple_mod_pow2): Likewise.
10656         (gimple_mod_subtract): Likewise.
10657         (gimple_ic): Likewise.
10658         (gimple_stringop_fixed_value): Likewise.
10659         * tree-profile.c (tree_init_edge_profiler): Mark profile
10660         functions nothrow and leaf.
10661         (add_abnormal_goto_call_edges): Remove.
10662         (tree_gen_edge_profiler): Work on SSA form.
10663         (tree_gen_ic_profiler): Likewise.  Simplify.
10664         (do_tree_profiling): Update SSA form.
10665         (pass_tree_profile): Remove.
10666         (do_tree_profiling): Likewise.
10667         (gate_tree_profile_ipa): New function.
10668         (pass_ipa_tree_profile): New.
10669         (tree_profiling): Re-write as IPA pass.  Properly drop const/pure
10670         state of instrumented functions.
10671         * passes.c (init_optimization_passes): Remove early non-SSA
10672         inlining.  Move profiling after early optimizations.
10673         * ipa-inline.c (cgraph_gate_ipa_early_inlining): Remove.
10674         (pass_ipa_early_inline): Likewise.
10675         * tree-pass.h (pass_ipa_early_inline): Remove.
10676         (pass_tree_profile): Likewise.
10677         (pass_ipa_tree_profile): Declare.
10678
10679 2010-10-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10680             Christian Borntraeger  <Christian.Borntraeger@de.ibm.com>
10681
10682         * config/s390/s390.c (z196_cost): New.
10683         (s390_handle_arch_option): Add -march=z196.
10684         (s390_option_override): Use the new cost function and use the z10
10685         defaults also for z196.
10686         (legitimate_reload_constant_p): Adjust comment.
10687         (legitimate_reload_fp_constant_p): New function.
10688         (s390_preferred_reload_class): Distingiush between FP and Int constants.
10689         (preferred_la_operand_p): Avoid la with index on z196.
10690         (s390_adjust_priority): Trigger also for z196.
10691         (s390_issue_rate): Issue rate for z196 is 3.
10692         (s390_z10_fix_long_loop_prediction): Rename to ...
10693         (s390_fix_long_loop_prediction): ... this.
10694         (s390_reorg): Apply the z10 adjustments also for z196.
10695         (s390_loop_unroll_adjust): Do this also for z196.
10696         * config/s390/s390.h (enum processor_type): Add PROCESSOR_2817_Z196.
10697         (enum processor_flags): Add PF_Z196.
10698         (TARGET_AVOID_CMP_AND_BRANCH): New macro.
10699         (TARGET_CPU_Z196, TARGET_Z196): New macros.
10700         * config.gcc: Enable z196 for --with-arch.
10701         * config/s390/2817.md: New file.
10702         * config/s390/2084.md: New type for multiply and add.
10703         * config/s390/2097.md: Likewise.
10704         * config/s390/s390.md (UNSPEC_POPCNT, UNSPEC_COPYSIGN)
10705         (UNSPECV_ATOMIC_OP): New constants.
10706         (fmadddf, fmaddsf): New values for type attribute.
10707         (z196prop): New insn attribute.
10708         (cpu, cpu_facility): Add z196.
10709         (ATOMIC_Z196): New code iterator.
10710         (noxa): New code attribute.
10711         (gk): New mode attribute.
10712         (*mov<mode>_64, *mov<mode>_31, *mov<mode>_64dfp, mov<mode>):
10713         Support load zero for fp constants.
10714         (fixuns_truncdddi2, fixuns_trunctddi2)
10715         (fixuns_trunc<BFP:mode><GPR:mode>2): Use the standard rtx pattern
10716         for z196.
10717         (fixuns_trunc<mode>si2, mov<mode>cc, popcountdi2, popcountsi2)
10718         (popcounthi2, popcountqi2): New expander.
10719         (*fixuns_trunc<FP:mode><GPR:mode>2_z196, floatsi<mode>2)
10720         (floatuns<GPR:mode><FP:mode>2, *mov<mode>cc, sync_<atomic><mode>)
10721         (sync_old_<atomic><mode>, *popcount<mode>, copysign<mode>3): New
10722         insn definition.
10723         (add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry1_cconly)
10724         (*add<mode>3_carry2_cc, *add<mode>3_carry2_cconly, *add<mode>3_cc)
10725         (*add<mode>3_cconly, *add<mode>3_cconly2, *add<mode>3_imm_cc)
10726         (*sub<mode>3, *sub<mode>3_borrow_cc, *sub<mode>3_borrow_cconly)
10727         (*sub<mode>3_cc, *sub<mode>3_cc2, *sub<mode>3_cconly)
10728         (*sub<mode>3_cconly2, *anddi3_cc, *anddi3_cconly, *anddi3, *andsi3_cc)
10729         (*andsi3_cconly, *andsi3_zarch, *andsi3_esa, *andhi3_zarch
10730         (*andqi3_zarch, *iordi3_cc, *iordi3_cconly, *iordi3, *iorsi3_cc)
10731         (*iorsi3_cconly, *iorsi3_zarch, *iorhi3_zarch, *iorqi3_zarch)
10732         (*xordi3_cc, *xordi3_cconly, *xordi3, *xorsi3_cc, *xorsi3_cconly)
10733         (*xorsi3, *xorhi3, *xorqi3, *<shift><mode>3, *<shift><mode>3_and)
10734         (*ashr<mode>3_cc, *ashr<mode>3_cconly, *ashr<mode>3)
10735         (*ashr<mode>3_cc_and, *ashr<mode>3_cconly_and, *ashr<mode>3_and):
10736         Support new z196 instructions.
10737
10738 2010-10-05  Richard Guenther  <rguenther@suse.de>
10739
10740         PR middle-end/45877
10741         * gimple-fold.c (gimplify_and_update_call_from_tree): Handle
10742         case where gimplification optimizes away the stmt.
10743
10744 2010-10-04  Jakub Jelinek  <jakub@redhat.com>
10745
10746         PR debug/45849
10747         * var-tracking.c (strip_pointer_flags): New function.
10748         (emit_note_insn_var_location): If rtx_equal_p check failed,
10749         retry on locations simplified with simplify_replace_fn_rtx
10750         and strip_pointer_flags as its callback.
10751
10752 2010-10-04  Jan Hubicka  <jh@suse.cz>
10753
10754         * gimple-fold.c (static_object_in_other_unit_p): Rename to...
10755         (can_refer_decl_in_current_unit_p): ... this one; reverse return
10756         value; handle comdats too.
10757         (canonicalize_constructor_val): Use it; handle function_decls
10758         correctly.
10759         (gimple_fold_obj_type_ref_known_binfo): Likewise.
10760         * gimple.c (get_base_address): Accept all kinds of decls.
10761
10762 2010-10-04  Joseph Myers  <joseph@codesourcery.com>
10763
10764         * flags.h (g_switch_value, g_switch_set): Remove.
10765         * opts.c (g_switch_value, g_switch_set): Remove.
10766         * config/g.opt (G): Add Var(g_switch_value).
10767         * config/alpha/alpha.c (alpha_handle_option): Don't handle -G here.
10768         (alpha_option_override): Check global_options_set.x_g_switch_value
10769         instead of g_switch_set.
10770         (alpha_in_small_data_p): Remove cast in comparison with
10771         g_switch_value.
10772         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Cast
10773         g_switch_value to unsigned HOST_WIDE_INT.
10774         * config/frv/frv.c (frv_const_unspec_p): Remove cast in comparison
10775         with g_switch_value.
10776         (frv_handle_option): Don't handle -G here.
10777         (frv_option_override): Check global_options_set.x_g_switch_value
10778         instead of g_switch_set.  Don't modify g_switch_set.
10779         (frv_in_small_data_p): Remove cast in comparison with g_switch_value.
10780         * config/frv/frv.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Cast
10781         g_switch_value to unsigned HOST_WIDE_INT.
10782         * config/ia64/ia64.c (ia64_handle_option): Don't handle -G here.
10783         (ia64_option_override): Check global_options_set.x_g_switch_value
10784         instead of g_switch_set.
10785         * config/lm32/lm32.c (lm32_handle_option, TARGET_HANDLE_OPTION):
10786         Remove.
10787         (lm32_in_small_data_p): Remove cast in comparison with
10788         g_switch_value.
10789         * config/lm32/lm32.h (ASM_OUTPUT_ALIGNED_LOCAL,
10790         ASM_OUTPUT_ALIGNED_COMMON): Cast g_switch_value to unsigned
10791         HOST_WIDE_INT.
10792         * config/m32r/m32r.c (m32r_handle_option): Don't handle -G here.
10793         (m32r_init): Check global_options_set.x_g_switch_value instead of
10794         g_switch_set.
10795         (m32r_in_small_data_p): Remove cast in comparison with
10796         g_switch_value.
10797         (m32r_file_start): Format g_switch_value with %d.
10798         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_COMMON,
10799         ASM_OUTPUT_ALIGNED_BSS): Cast g_switch_value to unsigned HOST_WIDE_INT.
10800         * config/microblaze/microblaze.c (microblaze_handle_option): Don't
10801         handle -G here.
10802         (microblaze_option_override): Check
10803         global_options_set.x_g_switch_value instead of g_switch_set.
10804         * config/mips/mips.c (mips_handle_option): Don't handle -G here.
10805         (mips_option_override): Check global_options_set.x_g_switch_value
10806         instead of g_switch_set.
10807         * config/rs6000/rs6000.c (rs6000_handle_option): Don't handle -G here.
10808         (rs6000_file_start): Format g_switch_value with %d.
10809         (small_data_operand, rs6000_elf_in_small_data_p): Remove casts in
10810         comparisons with g_switch_value.
10811         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Check
10812         global_options_set.x_g_switch_value instead of g_switch_set.
10813         * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
10814         global_options_set.x_g_switch_value instead of g_switch_set.
10815         * config/score/score.c (score_handle_option): Don't handle -G here.
10816         * config/score/score3.c (score3_option_override): Check
10817         global_options_set.x_g_switch_value instead of g_switch_set.
10818         * config/score/score7.c (score7_option_override): Check
10819         global_options_set.x_g_switch_value instead of g_switch_set.
10820
10821 2010-10-04  Vladimir Makarov  <vmakarov@redhat.com>
10822
10823         * common.opt (fira-coalesce): Remove.
10824
10825         * doc/invoke.texi (flag_ira_coalesce): Remove.
10826
10827         * ira-color.c (allocno_coalesced_p): Move before
10828         copy_freq_compare_func.
10829         processed_coalesced_allocno_bitmap): Ditto.
10830         (update_conflict_hard_regno_costs): Don't use
10831         ALLOCNO_FIRST_COALESCED_ALLOCNO.
10832         (allocno_cost_compare_func, print_coalesced_allocno): Remove.
10833         (assign_hard_reg): Assume no coalesced allocnos.
10834         (get_coalesced_allocnos_attributes): Remove.
10835         (bucket_allocno_compare_func): Assume no coalesced allocnos.
10836         (push_allocno_to_stack): Ditto.
10837         (remove_allocno_from_bucket_and_push): Use
10838         ira_print_expanded_allocno instead of print_coalesced_allocno.
10839         (push_allocnos_to_stack): Assume uncoalesced allocnos.
10840         (all_conflicting_hard_regs_coalesced): Ditto.  Rename to
10841         all_conflicting_hard_regs.
10842         (setup_allocno_available_regs_num): Assume uncoalesced allocnos.
10843         (setup_allocno_left_conflicts_size): Ditto.
10844         (put_allocno_into_bucket): Ditto.
10845         (copy_freq_compare_func): Remove.
10846         (copy_freq_compare_func, merge_allocnos): Move before
10847         coalesced_pseudo_reg_freq_compare.
10848         coalesced_allocno_conflict_p): Ditto.
10849         (coalesced_allocno_conflict_p, coalesce_allocnos): Ditto.  Remove
10850         parameter.  Assume it true.
10851         (color_allocnos): Assume uncoalesced allocnos.  Use
10852         ira_print_expanded_allocno instead of print_coalesced_allocno.
10853         (ira_sort_regnos_for_alter_reg): Call coalesce_allocnos without
10854         parameter.
10855
10856         * ira.c: Remove comment about coalescing.
10857
10858 2010-10-04  Joseph Myers  <joseph@codesourcery.com>
10859
10860         * config/mips/mips.h (target_flags_explicit): Declare for
10861         GENERATOR_FILE.
10862
10863 2010-10-04  Andi Kleen  <ak@linux.intel.com>
10864
10865         * Makefile.in (xgcc, cpp, cc1, collect2, lto-wrapper, gcov,
10866         gcov-dump, cc1-dummy, genprog, build/gcov-iov): Add + to build rule.
10867
10868 2010-10-04  Matthias Klose  <doko@ubuntu.com>
10869
10870         * config/sparc/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
10871         multilib osdirname if it exists.
10872         * config/s390/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.
10873
10874 2010-10-04  Jakub Jelinek  <jakub@redhat.com>
10875
10876         PR middle-end/45876
10877         * fold-const.c (fold_binary_loc) <case BIT_AND_EXPR>: Use
10878         arg0's type or its unsigned counterpart as utype.  Convert
10879         arg1 to utype unconditionally.
10880
10881 2010-10-04  Julian Brown  <julian@codesourcery.com>
10882
10883         * expr.c (expand_assignment): Add assertion to prevent emitting
10884         null rtx for movmisalign pattern.
10885         (expand_expr_real_1): Likewise.
10886         * config/arm/arm.c (arm_builtin_support_vector_misalignment): New.
10887         (TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT): New. Use above.
10888         (arm_vector_alignment_reachable): New.
10889         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): New. Use above.
10890         (neon_vector_mem_operand): Disallow PRE_DEC for misaligned loads.
10891         (arm_print_operand): Include alignment qualifier in %A.
10892         * config/arm/neon.md (UNSPEC_MISALIGNED_ACCESS): New constant.
10893         (movmisalign<mode>): New expander.
10894         (movmisalign<mode>_neon_store, movmisalign<mode>_neon_load): New
10895         insn patterns.
10896
10897 2010-10-04  Joseph Myers  <joseph@codesourcery.com>
10898
10899         * optc-gen.awk: Define global_options_set.  Don't define
10900         target_flags_explicit.
10901         * opth-gen.awk: Declare global_options_set.  Define
10902         target_flags_explicit as macro.
10903         * opts-common.c (handle_option): Take opts_set and generated_p
10904         parameters.
10905         (handle_generated_option, read_cmdline_option, set_option): Take
10906         opts_set parameter.
10907         (set_option): Use opts_set instead of hardcoding target_flags and
10908         target_flags_explicit.
10909         * opts.c (sel_sched_switch_set, profile_arc_flag_set,
10910         flag_profile_values_set, flag_unroll_loops_set, flag_tracer_set,
10911         flag_value_profile_transformations_set, flag_peel_loops_set,
10912         flag_branch_probabilities_set, flag_inline_functions_set,
10913         flag_ipa_cp_set, flag_ipa_cp_clone_set,
10914         flag_predictive_commoning_set, flag_unswitch_loops_set,
10915         flag_gcse_after_reload_set): Remove.
10916         (common_handle_option, lang_handle_option, target_handle_option):
10917         Take opts_set parameter.  Assert that it is &global_options_set.
10918         (common_handle_option): Don't set _set variables.  Check opts_set
10919         instead of such variables.
10920         (enable_warning_as_error): Pass &global_options_set to
10921         handle_generated_option.
10922         * opts.h (cl_option_handler_func.handler, set_option,
10923         handle_option, handle_generated_option, read_cmdline_option): Add
10924         opts_set parameters.
10925         (handle_option): Add generated_p parameter.
10926         * config/i386/i386.c (ix86_function_specific_save,
10927         ix86_function_specific_restore): Updat for renaming of
10928         target_flags_explicit field.
10929         * config/i386/i386.opt (target_flags_explicit): Rename to
10930         ix86_target_flags_explicit.
10931         * config/ia64/ia64.c (ia64_override_options_after_change): Check
10932         global_options_set.x_flag_selective_scheduling and
10933         global_options_set.x_flag_selective_scheduling2, not
10934         sel_sched_switch_set.
10935         * flags.h (sel_sched_switch_set,
10936         flag_speculative_prefetching_set): Remove.
10937         * gcc.c (driver_handle_option): Take opts_set parameter.  Assert
10938         that it is &global_options_set.
10939         (process_command): Pass &global_options_set to read_cmdline_option.
10940         * lto-opts.c (lto_reissue_options): Pass &global_options_set to
10941         set_option.
10942         * toplev.c (target_flags_explicit): Remove.
10943
10944 2010-10-04  Jan Hubicka  <jh@suse.cz>
10945
10946         PR middle-end/45871
10947         * tree-ssa-ccp.c (get_base_constructor): Take HOST_WIDE_INT offset;
10948         use get_ref_base_and_offset to handle references.
10949         (fold_const_aggregate_ref): Update.
10950
10951 2010-10-04  Martin Jambor  <mjambor@suse.cz>
10952
10953         PR tree-optimization/45572
10954         * ipa-prop.c (ipa_make_edge_direct_to_target): Call
10955         ipa_check_create_node_params.
10956         * ipa-inline.c (add_new_edges_to_heap): Do not insert inlined edges.
10957
10958 2010-10-04  Yao Qi  <yao@codesourcery.com>
10959
10960         * doc/passes.texi: Clean up.
10961
10962 2010-10-03  Ian Lance Taylor  <iant@google.com>
10963
10964         * c-typeck.c (lookup_field): If -fplan9-extensions, permit
10965         referring to a field using a typedef name.
10966         (find_anonymous_field_with_type): New static function.
10967         (convert_to_anonymous_field): New static function.
10968         (convert_for_assignment): If -fplan9-extensions, permit converting
10969         pointer to struct to pointer to anonymous field.
10970         * c-decl.c (grokfield): If -fplan9-extensions, permit anonymous fields.
10971         (is_duplicate_field): New static function.
10972         (detect_field_duplicates_hash): If -fplan9-extensions, check for
10973         typedef names duplicating field names.
10974         (detect_field_duplicates): Likewise.
10975         * doc/invoke.texi (Option Summary): Mention -fplan9-extensions.
10976         (C Dialect Options): Document -fplan9-extensions.
10977         * doc/extend.texi (Unnamed Fields): Document -fplan9-extensions.
10978
10979 2010-10-03  H.J. Lu  <hongjiu.lu@intel.com>
10980
10981         * tree-vect-data-refs.c (vect_analyze_data_ref_access): Revert
10982         revision 164914.
10983         (vect_create_data_ref_ptr): Likewise.
10984         * tree-vect-stmts.c (vectorizable_store): Likewise.
10985         (perm_mask_for_reverse): Likewise.
10986         (reverse_vec_elements): Likewise.
10987         (vectorizable_load): Likewise.
10988
10989 2010-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
10990
10991         * cppbuiltin.c: New file.
10992         * cppbuiltin.h: New file.
10993         * Makefile.in: Take into account cppbuiltin.{h,c}.
10994
10995 2010-10-03  Andi Kleen  <ak@linux.intel.com>
10996
10997         * lto-cgraph.c (input_cgraph): Check for missing sections.
10998
10999 2010-10-03  Uros Bizjak  <ubizjak@gmail.com>
11000
11001         * config/i386/i386.md (*ashl<mode>3_mask): Change operand 2 predicate
11002         to nonimmediate_operand.  Force operand 2 to register when allowed.
11003         (*<shiftrt_insn><mode>3_mask): Ditto.
11004         (*<rotate_insn><mode>3_mask): Ditto.
11005
11006 2010-10-02  H.J. Lu  <hongjiu.lu@intel.com>
11007
11008         PR tree-optimization/45720
11009         PR tree-optimization/45764
11010         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
11011         Don't accept backwards consecutive accesses.
11012         (vect_create_data_ref_ptr): Disallow negative steps.
11013
11014         * tree-vect-stmts.c (vectorizable_store): Allow negative steps.
11015         (perm_mask_for_reverse): Removed.
11016         (reverse_vec_elements): Likewise.
11017         (vectorizable_load): Don't handle negative steps.
11018
11019 2010-10-02  Jan Hubicka  <jh@suse.cz>
11020
11021         * tree-ssa-ccp.c (ccp_fold_stmt): Fold away OBJ_TYPE_REF when
11022         call destination is known.
11023
11024 2010-10-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11025
11026         PR target/45820
11027         * config/pa/pa.c (pa_secondary_reload): Handle symbolic operands
11028         earlier.
11029
11030 2010-10-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11031
11032         * doc/install.texi (Configuration): Document build_configargs,
11033         host_configargs, target_configargs.
11034
11035 2010-10-01  Uros Bizjak  <ubizjak@gmail.com>
11036
11037         * config/i386/i386.md (*ashl<mode>3_mask): New insn_and_split pattern.
11038         (*<shiftrt_insn><mode>3_mask): Ditto.
11039         (*<rotate_insn><mode>3_mask): Ditto.
11040
11041 2010-10-01  Steve Ellcey  <sje@cup.hp.com>
11042
11043         PR tree-optimization/44716
11044         * config/ia64/hpux.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define.
11045         (HOT_TEXT_SECTION_NAME): Define.
11046
11047 2010-10-01  Nick Clifton  <nickc@redhat.com>
11048
11049         * common.opt: Add -fcombine-stack-adjustments.
11050         * opts.c (decode_options): Enable -fcombine-stack-adjustments at -O1.
11051         * combine-stack-adj.c (gate_handle_stack_adjustments): Check
11052         flag_combine_stack_adjustments.
11053         * doc/invoke.texi: Document the new option.
11054
11055 2010-10-01  Richard Guenther  <rguenther@suse.de>
11056
11057         PR tree-optimization/45854
11058         * tree-eh.c (cleanup_empty_eh): Avoid degenerate case.
11059
11060 2010-10-01  Anthony Green  <green@moxielogic.com>
11061
11062         * config.gcc: Fix moxie-*-rtems* configuration.
11063
11064 2010-10-01  Richard Guenther  <rguenther@suse.de>
11065
11066         * dwarf2out.c (gen_namespace_die): Use DECL_FILE_SCOPE_P.
11067         (gen_decl_die): Likewise.
11068
11069 2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11070
11071         * config/spu/spu.c (spu_init_builtins): No longer add END_BUILTINS
11072         to the function code for SPU MD builtins.
11073         (spu_expand_builtin): Update.
11074         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Update.
11075
11076 2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
11077
11078         * config/spu/spu.c (TARGET_EXCEPT_UNWIND_INFO): Set to
11079         sjlj_except_unwind_info.
11080
11081 2010-10-01  Tristan Gingold  <gingold@adacore.com>
11082
11083         * configure.ac: Define the nop insn for avr*-*-*
11084         * configure: Regenerate.
11085
11086 2010-10-01  Alan Modra  <amodra@gmail.com>
11087
11088         PR target/45807
11089         * config/rs6000/rs6000.c (rs6000_emit_prologue): Properly sign
11090         extend toc_restore_insn.
11091
11092 2010-09-30  Richard Guenther  <rguenther@suse.de>
11093
11094         PR tree-optimization/43959
11095         * function.c (gimplify_parameters): Use create_tmp_reg instead of
11096         create_tmp_var.
11097
11098 2010-09-30  Kaz Kojima  <kkojima@gcc.gnu.org>
11099
11100         * config/sh/sh.c (sh_expand_prologue): Set
11101         current_function_static_stack_size.
11102
11103 2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11104
11105         * configure.ac: Check for Solaris 8 ld with .hidden support.
11106         * configure: Regenerate.
11107
11108 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11109
11110         PR middle-end/45758
11111         * graphite.c (graphite_initialize): Call scev_reset.
11112
11113 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11114
11115         * sese.h (scev_analyzable_p): Return false for real or floating
11116         point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.
11117
11118 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11119
11120         * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
11121         and ps.
11122         * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
11123         domain.
11124         * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
11125         Do not allocate ub_expr, it is passed in initialized.
11126
11127 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
11128
11129         * graphite-clast-to-gimple.c (init_cloog_input_file): New.
11130         (build_cloog_prog): Dump CLooG input file when
11131         flag_graphite_dump_cloog is set.  This is disabled on trunk.
11132         * graphite-cloog-compat.h (cloog_program_dump_cloog): New.
11133
11134 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11135
11136         * graphite-clast-to-gimple.c (graphite_verify): Remove call to
11137         verify_dominators for CDI_POST_DOMINATORS.
11138         * sese.h: Remove comment about CDI_POST_DOMINATORS.
11139         (recompute_all_dominators): Remove call to free_dominance_info
11140         for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
11141         for CDI_POST_DOMINATORS.
11142
11143 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11144
11145         * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
11146         over pbb_dim_iter_domain.
11147
11148 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11149
11150         * graphite-flattening.c: Fix comments.
11151
11152 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11153
11154         * Makefile.in (OBJS-common): Add graphite-flattening.o.
11155         (graphite-flattening.o): New rule.
11156         * common.opt (floop-flatten): New flag.
11157         * doc/invoke.texi (-floop-flatten): Documented.
11158         * graphite-flattening.c: New.
11159         * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
11160         * graphite-poly.h (flatten_all_loops): Declared.
11161         (lst_remove_loop_and_inline_stmts_in_loop_father): New.
11162         * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
11163         is set, also set flag_graphite.
11164
11165 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11166
11167         * graphite-poly.c (cloog_checksum): New.
11168         * graphite-poly.h (cloog_checksum): Declared.
11169
11170 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11171
11172         * graphite-poly.c (pbb_number_of_iterations): Removed.
11173         (pbb_number_of_iterations_at_time): Correctly compute the number
11174         of iterations in the transformed loop.
11175         * graphite-poly.h (pbb_number_of_iterations): Removed.
11176
11177 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11178
11179         * graphite-poly.h (lst_update_scattering_seq): Removed.
11180         (lst_update_scattering): Correctly handle outermost loop dewey
11181         renumbering.
11182
11183 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11184
11185         * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
11186         lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
11187         * graphite-poly.h (lst_niter_for_loop): New.
11188
11189 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11190
11191         * graphite-poly.c (apply_poly_transforms): Do not abort when the
11192         transform read from disk is not legal.  Call fatal_error instead.
11193
11194 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11195
11196         * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
11197         (print_scop_header): Removed.  Inlined in the only call place...
11198         (print_scop): ... here.
11199
11200 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11201
11202         * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.
11203
11204 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11205
11206         * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.
11207
11208 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11209
11210         * graphite-dependences.c (dot_deps): Avoid set but not used warning.
11211         (dot_deps_stmt): Same.
11212         * graphite-poly.c (dot_lst): Same.
11213
11214 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11215
11216         * graphite-blocking.c (scop_do_strip_mine): Do not call
11217         graphite_legal_transform.
11218         (scop_do_block): Same.
11219
11220 2010-09-30  Vladimir Kargov  <kargov@gmail.com>
11221
11222         * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
11223         description.
11224
11225 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11226
11227         * tree-scalar-evolution.c (instantiate_array_ref): New.
11228         (instantiate_scev_r): Also handle ARRAY_REFs.
11229
11230 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11231
11232         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
11233         Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
11234         RESULT_DECL, and FIELD_DECL.  Return false for an
11235         SSA_NAME_IS_DEFAULT_DEF.
11236         (compute_scalar_evolution_in_loop): Do not further analyze the
11237         scalar evolution when no_evolution_in_loop_p returns true.
11238
11239 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11240
11241         * tree-chrec.h (evolution_function_is_affine_p): Do not check
11242         whether CHREC_LEFT is invariant.  A function is affine when
11243         CHREC_RIGHT is invariant.
11244
11245 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11246
11247         * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
11248         is_gimple_reg.
11249         (rewrite_degenerate_phi): Same.
11250         (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.
11251
11252 2010-09-30  Vladimir Kargov  <kargov@gmail.com>
11253
11254         * graphite-scop-detection.c (graphite_can_represent_scev,
11255         graphite_can_represent_expr, stmt_has_simple_data_refs_p,
11256         graphite_can_represent_loop): Remove outermost_loop.
11257
11258 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11259
11260         PR middle-end/45229
11261         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
11262         handle GIMPLE_CALLs with no LHS.
11263
11264 2010-09-30  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
11265
11266         * graphite-poly.c (init_graphite_out_file): New.
11267         (init_graphite_in_file): New.
11268         (apply_poly_transforms): Updated to enable reading and writing of
11269         multiple scop files.
11270
11271 2010-09-30  Tobias Grosser  <grosser@fim.uni-passau.de>
11272
11273         * graphite-scop-detection.c (graphite_can_represent_scev): Remove
11274         redundant checks.
11275
11276 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11277
11278         * graphite-clast-to-gimple.c (precision_for_value): Adjust
11279         computation of precision by 1.
11280
11281 2010-09-30  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
11282
11283         * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
11284         (openscop_read_polyhedron_matrix): New.
11285         * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
11286         (openscop_read_N_int): Same.
11287         * graphite-poly.c (openscop_read_N_int): New.
11288         (openscop_read_one_int): New.
11289         (openscop_read_N_string): New.
11290         (openscop_read_one_string): New.
11291         (openscop_read_powerset_matrix): New.
11292         (graphite_read_transforms): Remove.
11293         (graphite_read_scatt): New.
11294         (graphite_read_scop_file): New.
11295         (apply_poly_transforms): Updated to call graphite_read_scop_file.
11296
11297 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
11298
11299         * graphite-poly.c: Change include order.
11300
11301 2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
11302
11303         * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
11304         (cloog_matrix_nrows): New.
11305
11306 2010-09-30  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
11307
11308         * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
11309         from matrix lines.
11310         * graphite-poly.c (openscop_print_scattering_function_1): Same.
11311         (print_scattering_function_1): Same.
11312         (openscop_print_pbb_domain): Same.
11313         (openscop_print_scop_context): Same.
11314         (print_scop_context): Same.
11315
11316 2010-09-30  Riyadh Baghdad  <baghdadi.mr@gmail.com>
11317
11318         * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
11319         (openscop_print_pdr_polyhedron): Print pph.
11320
11321 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11322
11323         * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
11324         priority signed types.
11325
11326 2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>
11327
11328         * graphite-clast-to-gimple.c (max_signed_precision_type): Remove
11329         the call to lang_hooks.types.type_for_size.  Call
11330         build_nonstandard_integer_type.
11331
11332 2010-09-30  Riyadh Baghdadi  <baghdadi.mr@gmail.com>
11333
11334         * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
11335         (openscop_print_polyhedron_matrix): New.
11336         * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
11337         * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
11338         (openscop_print_pdr_powerset): New.
11339         (openscop_print_powerset_matrix): New.
11340         (openscop_print_scattering_function_1): New.
11341         (print_scattering_function): Add support for scattering names and
11342         OpenScop format.
11343         (graphite_write_transforms): Remove.
11344         (print_pdr_access_layout): Updated to support OpenScop format.
11345         (print_pdr): Same.
11346         (openscop_print_pbb_domain): New.
11347         (print_pbb_body): Added a parameter to allow indicating that pbb_body
11348         is not provided.
11349         (print_pbb): Updated to call the new print_pbb_body.
11350         (openscop_print_scop_context): New.
11351         (print_scop_header): New.
11352         (print_scop): Updated to call print_scop_header.
11353         * graphite-poly.h: Document OpenScop format.
11354
11355 2010-09-30  Anatoly Sokolov  <aesok@post.ru>
11356
11357         * config/cris/m32c.c (cris_memory_move_cost): New.
11358         (cris_register_move_cost): Make static. Change arguments type from
11359         enum reg_class to reg_class_t.
11360         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
11361         * config/cris/cris.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
11362         * config/cris/cris-protos.h (cris_register_move_cost): Remove.
11363
11364 2010-09-30  Jakub Jelinek  <jakub@redhat.com>
11365
11366         PR target/45843
11367         * config/i386/i386.c (ix86_gimplify_va_arg): Use
11368         INTVAL (XEXP (slot, 1)) as prev_size.
11369
11370 2010-09-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
11371
11372         PR target/45837
11373         * config/rs6000/aix.h (TARGET_AIX_OS): Define to be 1.
11374         * config/rs6000/rs6000.h (TARGET_AIX_OS): Define to be 0 if not
11375         defined.
11376         * config/rs6000/option-defaults.h (toplevel): Change #if
11377         TARGET_AIX to TARGET_AIX_OS to allow compiler to build after
11378         global option changes.
11379
11380 2010-09-30  Jakub Jelinek  <jakub@redhat.com>
11381
11382         * dwarf2out.c (mem_loc_descriptor): Handle IF_THEN_ELSE.
11383
11384         PR tree-optimization/31261
11385         * fold-const.c (fold_binary): Optimize ((A & N) + B) & M
11386         for constants M and N, M == (1LL << cst) - 1 && (N & M) == M.
11387
11388 2010-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11389
11390         PR bootstrap/45796
11391         * Makefile.in (build/gen%$(build_exeext)): Move rule after all
11392         special-casing for generators and turn into ...
11393         ((genprog:%=build/gen%$(build_exeext))): ... this static pattern
11394         rule, for better error messages in case of toplevel dependency errors.
11395         (genprog): Add hooks, rename to ...
11396         (genprogerr): ... this, and let genprog also contain check,
11397         checksum, condmd.
11398         ((genprog:%=build/gen%$(build_exeext))): Rename to ...
11399         ((genprogerr:%=build/gen%$(build_exeext))): ... this.
11400         (build/genhooks$(build_exeext)): Remove now-unneeded dependency.
11401
11402 2010-09-30  Jonathan Wakely  <jwakely.gcc@gmail.com>
11403             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11404
11405         * doc/install.texi: Suggest using LD_LIBRARY_PATH to find libs
11406         for GMP, MPFR and MPC.
11407
11408 2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11409
11410         * config/sparc/sparc.opt (mimpure-text): Move ...
11411         * config/sol2.opt: ... here.  Correct description.
11412         * config.gcc (*-*-solaris2*): Add sol2.opt to extra_options.
11413         * doc/invoke.texi (Option Summary, SPARC Options): Move
11414         -mimpure-text, -mno-impure-text, -threads, -pthreads, -pthread ...
11415         (Option Summary, Solaris 2 Options): ... here.
11416         (Submodel Options, Solaris 2 Options): New menu entry.
11417         (SPARC Options): Move -mimpure-text, -threads, -pthreads, -pthread ...
11418         (Solaris 2 Options): ... here.
11419
11420 2010-09-30  Michael Eager  <eager@eagercon.com>
11421
11422         * extend.texi (interrupt_handler): Add MicroBlaze to list.
11423         (save_volatiles): Describe option for MicroBlaze.
11424         * invoke.texi: Add MicroBlaze Options.
11425         * contrib.texi: Add acknowledgment.
11426         * md.texi: Add MicroBlaze d and z constraints.
11427         * install.texi: Add microblaze-*-elf.
11428         * configure.ac: Add microblaze-*-* to target list.
11429         * configure: Regenerate.
11430         * config.gcc: Add microblaze*-*-*, microblaze*-linux*.
11431         * config/microblaze/microblaze-protos.h: New.
11432         * config/microblaze/crti.s: New.
11433         * config/microblaze/predicates.md: New.
11434         * config/microblaze/linux.h: New.
11435         * config/microblaze/microblaze.md: New.
11436         * config/microblaze/constraints.md: New.
11437         * config/microblaze/crtn.s: New.
11438         * config/microblaze/microblaze.opt: New.
11439         * config/microblaze/microblaze-c.c: New.
11440         * config/microblaze/t-microblaze: New.
11441         * config/microblaze/microblaze.c: New.
11442         * config/microblaze/microblaze.h: New.
11443
11444 2010-09-30  Iain Sandoe  <iains@gcc.gnu.org>
11445
11446         * c-parser.c (c_parser_objc_methodprotolist): Amend preceding comment,
11447         parse @optional/@required and set the flags as appropriate.
11448
11449 2010-09-30  Nathan Froyd  <froydnj@codesourcery.com>
11450
11451         * config/iq2000/t-iq2000 (TARGET_LIBGCC2_CFLAGS): Delete.
11452
11453 2010-09-30  Joseph Myers  <joseph@codesourcery.com>
11454
11455         * opt-functions.awk (static_var): Update comment.
11456         (var_ref): Return offsetof expression or -1, not variable address.
11457         * optc-gen.awk: Generate structure field initializers instead of
11458         static variables.  Expect -1 for missing variables instead of null
11459         pointer.  Add gcc_options parameters to generated functions.
11460         * opth-gen.awk: Generate structure fields for static variables.
11461         Add gcc_options parameters to generated functions.
11462         * common.opt (optimize, optimize_size): Add variables.
11463         * config/i386/i386-c.c (ix86_pragma_target_parse): Pass
11464         &global_options to cl_target_option_restore.
11465         * config/i386/i386.c (ix86_valid_target_attribute_p): Pass
11466         &global_options to cl_optimization_restore, cl_target_option_save
11467         and cl_target_option_restore.
11468         (ix86_set_current_function): Pass &global_options to
11469         cl_target_option_restore.
11470         * config/pdp11/pdp11.h (optimize): Remove.
11471         * config/rs6000/rs6000.h (optimize): Remove.
11472         * config/sh/sh.h (optimize): Remove.
11473         * config/xtensa/xtensa.h (optimize): Remove.
11474         * coretypes.h (struct gcc_options): Declare.
11475         * diagnostic.c (diagnostic_initialize): Initialize
11476         context->option_state.
11477         (diagnostic_report_diagnostic): Pass option_state to
11478         option_enabled hook.
11479         * diagnostic.h (diagnostic_context.option_enabled): Add void *
11480         parameter.
11481         (diagnostic_context.option_state): New field.
11482         * final.c (final_start_function, final, final_scan_insn): Rename
11483         optimize parameter to optimize_p.
11484         * flags.h (optimize, optimize_size): Remove.
11485         * function.c (invoke_set_current_function_hook): Pass
11486         &global_options to cl_optimization_restore.
11487         * gcc.c (driver_handle_option): Take gcc_options parameter.
11488         Assert that it is &global_options.
11489         (process_command): Pass &global_options to read_cmdline_option.
11490         * ipa-pure-const.c (suggest_attribute): Pass &global_options to
11491         option_enabled.
11492         * lto-opts.c (lto_reissue_options): Use option_flag_var.  Pass
11493         &global_options to set_option.
11494         * opts-common.c (handle_option, handle_generated_option,
11495         read_cmdline_option, set_option): Take explicit gcc_options
11496         parameters.  Use option_flag_var.
11497         (option_flag_var): New.
11498         * opts.c (common_handle_option, lang_handle_option,
11499         target_handle_option): Take gcc_options parameter.  Assert that it
11500         is &global_options.
11501         (read_cmdline_options): Pass &global_options to read_cmdline_option.
11502         (print_filtered_help): Use option_flag_var.  Pass &global_options
11503         to option_enabled.
11504         (common_handle_option): Use option_flag_var.
11505         (option_enabled): Take opts parameter.  Use option_flag_var.
11506         (get_option_state): Take gcc_options parameter.  Use
11507         option_flag_var.  Pass gcc_options parameter to option_enabled.
11508         (enable_warning_as_error): Pass &global_options to
11509         handle_generated_option.
11510         * opts.h (struct cl_option): Change flag_var to flag_var_offset.
11511         (cl_option_handler_func.handler): Take gcc_options parameter.
11512         (option_enabled, get_option_state, set_option, handle_option,
11513         handle_generated_option, read_cmdline_option): Take gcc_options
11514         parameters.
11515         * toplev.c (optimize, optimize_size): Remove.
11516         (print_switch_values): Pass &global_options to option_enabled.
11517         (option_affects_pch_p): Use option_flag_var.  Pass &global_options
11518         to get_option_state.
11519         (general_init): Initialize global_dc->option_state.
11520         * tree.c (build_optimization_node): Pass &global_options to
11521         cl_optimization_save.
11522         (build_target_option_node): Pass &global_options to
11523         cl_target_option_save.
11524
11525 2010-09-30  Martin Jambor  <mjambor@suse.cz>
11526
11527         * tree-sra.c (type_consists_of_records_p): Do not check for trailing
11528         zero sized bit-fields.
11529
11530 2010-09-30  Nicola Pero  <nicola.pero@meta-innovation.com>
11531
11532         * c-parser.c (c_lex_one_token): When finding a CPP_AT_NAME
11533         Objective-C token, map RID_CLASS to RID_AT_CLASS and similar.
11534         (c_parser_external_declaration): Use RID_AT_CLASS instead of RID_CLASS.
11535         (c_parser_objc_class_declaration): Same change.
11536         (c_parser_objc_try_catch_statement): Use RID_AT_TRY instead of
11537         RID_TRY and RID_AT_CATCH instead of RID_CATCH.
11538         (c_parser_objc_class_instance_variables): Use RID_AT_PRIVATE
11539         instead of RID_PRIVATE, RID_AT_PROTECTED instead of RID_PROTECTED
11540         and RID_AT_PUBLIC instead of RID_PUBLIC.
11541         (c_parser_statement_after_labels): Use RID_AT_TRY instead of
11542         RID_TRY and RID_AT_CATCH instead of RID_CATCH.
11543
11544 2010-09-30  Tom G. Christensen  <tgc@jupiterrise.com>
11545
11546         * doc/install.texi (Binaries): Update link to HP-UX porting centre.
11547         Add links to current providers of packages for Solaris and IRIX.
11548
11549 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
11550
11551         Merge from 'apple/trunk' branch on FSF servers.
11552         * c-parser.c: Applied change originally in c-parse.in.
11553
11554         2005-10-04  Fariborz Jahanian  <fjahanian@apple.com>
11555
11556         Radar 4281748
11557         * c-decl.c (start_decl): Check for redeclaration of class name.
11558         * c-parse.in (after_type_declarator): Recognize CLASSNAME.
11559
11560 2010-09-29  Steve Ellcey  <sje@cup.hp.com>
11561
11562         * config/ia64/ia64.c (ia64_builtin_decl): New.
11563         (TARGET_BUILTIN_DECL): Define.
11564         (ia64_builtins): New.
11565         (ia64_init_builtins): Save decls in ia64_builtins.
11566
11567 2010-09-29  Bernd Schmidt  <bernds@codesourcery.com>
11568
11569         PR target/40457
11570         * postreload.c (move2add_use_add2_insn): Use full_costs for comparison.
11571         (move2add_use_add3_insn): Likewise.
11572         (reload_cse_move2add): Likewise.
11573         * rtlanal.c (get_full_rtx_cost): New function.
11574         * rtl.h (struct full_rtx_costs): New.
11575         (init_costs_to_max, init_costs_to_zero, costs_lt_p,
11576         costs_add_n_insns): New inline functions.
11577         (get_full_rtx_cost): Declare.
11578
11579         PR c/45054
11580         * reload1.c (replace_pseudos_in): Use eliminate_regs_1, allowing
11581         invariants.  Check for reg_equiv_invariant.
11582         (reload): Assert that spilled_pseudos is empty when returning.
11583
11584 2010-09-29  Kai Tietz  <kai.tietz@onevision.com>
11585
11586         * config/i386/mingw32.h (TARGET_64BIT): replaced by
11587         TARGET_64BIT_DEFAULT in #if check.
11588
11589 2010-09-29  Jack Howarth  <howarth@bromo.med.uc.edu>
11590
11591         * varasm.c (assemble_alias): Add error message for unsupported ifunc.
11592
11593 2010-09-29  Mike Stump  <mikestump@comcast.net>
11594
11595         * config/darwin.h (flag_mkernel): Remove.
11596         (flag_apple_kext): Likewise.
11597
11598 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
11599             Jack Howarth  <howarth@bromo.med.uc.edu>
11600
11601         * config/darwin.opt (undefined): Add.
11602
11603 2010-09-29  Nathan Sidwell  <nathan@codesourcery.com>
11604
11605         PR testsuite/45664
11606         * configure.ac: Add --enable-indirect-function option.
11607         * config.gcc: Add default_gnu_indirect_function.
11608         * config.in (HAVE_GAS_INDIRECT_FUNCTION): Rename to ...
11609         (HAVE_GNU_INDIRECT_FUNCTION): ... this.
11610         * varasm.c (do_assemble_alias): Adjust for macro name change.
11611         * configure: Rebuilt.
11612         * doc/install.texi: Document --enable-indirect-function.
11613
11614 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
11615
11616         * doc/options.texi (Variable, Var, Init): Update documentation
11617         without reference to VarExists.
11618         (VarExists): Remove.
11619         * common.opt, config/i386/i386.opt, config/linux.opt,
11620         config/rs6000/rs6000.opt, config/sh/sh.opt, config/spu/spu.opt:
11621         Don't use VarExists.
11622
11623 2010-09-29  Joseph Myers  <joseph@codesourcery.com>
11624
11625         * optc-gen.awk: Generate global_options initializer instead of
11626         individual variables.  Add x_ prefix to names of structure members.
11627         * opth-gen.awk: Generate gcc_options structure.  Add x_ prefix to
11628         names of structure members.
11629         * doc/tm.texi.in (HARD_FRAME_POINTER_IS_FRAME_POINTER,
11630         HARD_FRAME_POINTER_IS_ARG_POINTER): Document.
11631         * doc/tm.texi: Regenerate.
11632         * alias.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
11633         * builtins.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.
11634         * c-parser.c (disable_extension_diagnostics,
11635         restore_extension_diagnostics): Update names of cpp_options members.
11636         * combine.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
11637         * common.opt (fcompare-debug-second): Don't use Var.
11638         * config/alpha/alpha.h (target_flags): Remove.
11639         * config/arm/arm.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
11640         HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
11641         * config/bfin/bfin.h (target_flags): Remove.
11642         * config/cris/cris.h (target_flags): Remove.
11643         * config/i386/i386-c.c (ix86_pragma_target_parse): Update names of
11644         cl_target_option members.
11645         * config/i386/i386.c (ix86_force_align_arg_pointer): Remove.
11646         (ix86_function_specific_print, ix86_valid_target_attribute_tree,
11647         ix86_can_inline_p): Update names of cl_target_option members.
11648         * config/i386/i386.h (ix86_isa_flags): Remove.
11649         * config/lm32/lm32.h (target_flags): Remove.
11650         * config/mcore/mcore.h (mcore_stack_increment): Remove.
11651         * config/mcore/mcore.md (addsi3): Remove extern declaration of
11652         flag_omit_frame_pointer.
11653         * config/mep/mep.h (target_flags): Remove.
11654         * config/mips/mips.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
11655         HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
11656         * config/mmix/mmix.h (target_flags): Remove.
11657         * config/rs6000/rs6000.h (rs6000_xilinx_fpu, flag_pic,
11658         flag_expensive_optimizations): Remove.
11659         * config/s390/s390.h (flag_pic): Remove.
11660         * config/score/score-conv.h (target_flags): Remove.
11661         * config/sh/sh.h (sh_fixed_range_str): Remove.
11662         * config/spu/spu.h (target_flags, spu_fixed_range_string): Remove.
11663         * dbxout.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
11664         * df-scan.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
11665         * diagnostic.c (diagnostic_initialize): Update names of
11666         diagnostic_context members.
11667         * diagnostic.h (diagnostic_context): Rename inhibit_warnings and
11668         warn_system_headers.
11669         (diagnostic_report_warnings_p): Update for new names.
11670         * dwarf2out.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
11671         * emit-rtl.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER and
11672         HARD_FRAME_POINTER_IS_ARG_POINTER.
11673         * flags.h (flag_compare_debug): Declare.
11674         * ira.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
11675         * opts.c (flag_compare_debug): Define.
11676         (common_handle_option): Update names of diagnostic_context
11677         members.  Handle -fcompare-debug-second.
11678         (fast_math_flags_struct_set_p): Update names of cl_optimization
11679         members.
11680         * reginfo.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
11681         * regrename.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
11682         * reload.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
11683         * reload1.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
11684         * resource.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
11685         * rtl.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
11686         HARD_FRAME_POINTER_IS_ARG_POINTER): Define and use.
11687         * sel-sched.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
11688         * stmt.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.
11689
11690 2010-09-29  Hariharan Sandanagobalane  <hariharan@picochip.com>
11691
11692         * config/picochip/picochip.c (picochip_output_internal_label):
11693         This function can now be called for debug CFI labels, which can come
11694         in the middle of a vliw instruction.  Postpone until end of vliw.
11695
11696 2010-09-29  Richard Guenther  <rguenther@suse.de>
11697
11698         * tree.h (SCOPE_FILE_SCOPE_P): New macro.
11699         (DECL_FILE_SCOPE_P): Use it.
11700         (TYPE_FILE_SCOPE_P): New macro.
11701
11702 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
11703
11704         * c-parser.c (c_lex_one_token): In Objective-C, when dealing with
11705         a CPP_NAME which is a reserved word, clearly separate cases for
11706         OBJC_IS_PQ_KEYWORD, OBJC_IS_AT_KEYWORD and OBJC_IS_CXX_KEYWORD.
11707
11708 2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>
11709
11710         * c-parser.c (c_lex_one_token): In Objective-C, do not replace
11711         token->value with the canonical spelling.  Do exactly like C and
11712         C++ and leave it as it is.
11713
11714 2010-09-28  Richard Henderson  <rth@redhat.com>
11715
11716         * config/alpha/alpha.c (alpha_builtins): New.
11717         (alpha_builtin_decl, TARGET_BUILTIN_DECL): New.
11718         (alpha_builtin_function): New.
11719         (alpha_add_builtins, alpha_init_builtins): Use it.
11720
11721 2010-09-28  Nicola Pero  <nicola.pero@meta-innovation.com>
11722
11723         * doc/standards.texi (Standards): Expanded the section on
11724         Objective-C and Objective-C++.
11725
11726 2010-09-28  DJ Delorie  <dj@redhat.com>
11727
11728         PR target/45800
11729         * config/m32c/m32c.c (m32c_subreg): Force adjustment of subregs of
11730         volatile MEMs.
11731
11732 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
11733
11734         * c-parser.c (c_parser_declaration_or_fndef): Diagnose incorrect prefix
11735         attributes on methods.
11736          (c_parser_objc_method_definition): Handle attributes.
11737         (c_parser_objc_methodproto): Likewise.
11738         (c_parser_objc_maybe_method_attributes): New.
11739         (c_parser_objc_method_decl): Handle attributes, add a diagnostic for a
11740         missing definition, similar to that in ObjC++.
11741
11742 2010-09-28  Richard Henderson  <rth@redhat.com>
11743
11744         * defaults.h (DWARF2_UNWIND_INFO): Don't depend on TARGET_UNWIND_INFO.
11745         (MUST_USE_SJLJ_EXCEPTIONS): Remove.
11746         (CONFIG_SJLJ_EXCEPTIONS): Remove.
11747         (STACK_OLD_CHECK_PROTECT): Use targetm.except_unwind_info.
11748         (STACK_CHECK_PROTECT): Likewise.
11749         * dwarf2out.c (DWARF2_UNWIND_INFO, DWARF2_FRAME_INFO): Poison.
11750         (dwarf2out_do_frame): Use debug_unwind_info and except_unwind_info.
11751         (dwarf2out_do_cfi_asm, dwarf2out_begin_prologue): Likewise.
11752         (dwarf2out_frame_init, dwarf2out_frame_finish): Likewise.
11753         (dwarf2out_assembly_start): Likewise.
11754         * except.c (init_eh): Use targetm.except_unwind_info.
11755         (finish_eh_generation, gate_convert_to_eh_region_ranges): Likewise.
11756         (output_one_function_exception_table): Likewise.
11757         * final.c: Unconditionally include dwarf2out.h.
11758         (final_start_function): Unconditionally call dwarf2out routines.
11759         (final_end_function, final_scan_insn): Likewise.
11760         * function.c (expand_function_end): Use targetm.except_unwind_info.
11761         * opts.c (decode_options): Use targetm.except_unwind_info.
11762         * system.h (USING_SJLJ_EXCEPTIONS, TARGET_UNWIND_INFO): Poison.
11763         * target.def (debug_unwind_info, except_unwind_info): New.
11764         * target.h (enum unwind_info_type): New.
11765         * targhooks.c (default_debug_unwind_info): New.
11766         (default_except_unwind_info): New.
11767         (dwarf2_except_unwind_info, sjlj_except_unwind_info): New.
11768         * targhooks.h: Declare them.
11769         * tree-tailcall.c: Include "target.h"
11770         (suitable_for_tail_call_opt_p): Use targetm.except_unwind_info.
11771         * Makefile.in (tree-tailcall.o): Update.
11772         * tree.c (build_common_builtin_nodes): Use targetm.except_unwind_info.
11773         (lhd_gcc_personality): Likewise.
11774
11775         * doc/tm.texi.in (TARGET_UNWIND_INFO): Remove.
11776         (TARGET_EXCEPT_UNWIND_INFO): New.
11777         (DWARF2_UNWIND_INFO): Update.
11778         (TARGET_DEBUG_UNWIND_INFO): New.
11779         * doc/tm.texi: Rebuild.
11780
11781         * c-family/c-cppbuiltin.c (c_cpp_builtins): Use
11782         targetm.except_unwind_info.
11783
11784         * config/arm/arm.c (TARGET_EXCEPT_UNWIND_INFO): New.
11785         (arm_except_unwind_info): New.
11786         (arm_compute_func_type): Use it.
11787         (arm_expand_prologue, thumb_pushpop): Likewise.
11788         (thumb1_expand_prologue, thumb1_output_function_prologue): Likewise.
11789         (arm_unwind_emit, arm_output_fn_unwind): Likewise.
11790         * config/arm/bpabi.h (ARM_UNWIND_INFO): Rename from TARGET_UNWIND_INFO.
11791         * config/arm/arm.h (ARM_UNWIND_INFO): Likewise.
11792         (DWARF2_UNWIND_INFO): Remove.
11793         (MUST_USE_SJLJ_EXCEPTIONS): Remove.
11794         (ARM_EABI_UNWIND_TABLES): Remove.
11795
11796         * config/ia64/ia64.c (ia64_debug_unwind_info): New.
11797         (TARGET_DEBUG_UNWIND_INFO, TARGET_EXCEPT_UNWIND_INFO): New.
11798         (ia64_except_unwind_info): New.
11799         (ia64_output_function_prologue): Use it.
11800         (ia64_add_bundle_selector_before): Likewise.
11801         (ia64_reorg, ia64_asm_unwind_emit): Likewise.
11802         * config/ia64/ia64.h (DWARF2_FRAME_INFO): Remove.
11803         (TARGET_UNWIND_INFO): Remove.
11804
11805         * config/pa/pa.c (pa_option_override): Use targetm.except_unwind_info.
11806
11807 2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>
11808
11809         * c-parser.c (c_parser_objc_class_definition): Adjust prototype.
11810         (c_parser_objc_protocol_definition): Likewise.
11811         (c_parser_external_declaration): Provide dummy attribute arguments.
11812         (c_parser_declaration_or_fndef): Parse prefix attributes for ObjC.
11813         (c_parser_objc_class_definition): Handle attributes.
11814         (c_parser_objc_protocol_definition): Likewise.
11815
11816 2010-09-28  Tobias Burnus  <burnus@net-b.de>
11817
11818         PR fortran/40569
11819         PR fortran/40568
11820         * toplev.h (save_decoded_options, save_decoded_options_count):
11821         New global variables.
11822         * toplev.c (save_decoded_options, save_decoded_options_count):
11823         Export variables.
11824
11825 2010-09-28  Ian Lance Taylor  <iant@google.com>
11826
11827         * config/i386/i386.c (ix86_supports_split_stack): Test
11828         HAVE_GAS_CFI_PERSONALITY_DIRECTIVE rather than dwarf2out_do_cfi_asm.
11829
11830 2010-09-28  Ian Lance Taylor  <iant@google.com>
11831
11832         PR target/45815
11833         * opts.c (decode_options): Don't test whether the target supports
11834         split stack if flag_split_stack == 0.
11835
11836 2010-09-28  Jan Hubicka  <jh@suse.cz>
11837
11838         * builtin-attrs.def (ATTR_LEAF): New attribute.
11839         (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF_LIST, ATTR_NOTHROW_LEAF_LIST,
11840         ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_PURE_NOTHROW_LEAF_LIST,
11841         ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST, ATTR_NORETURN_NOTHROW_LEAF_LIST,
11842         ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_SENTINEL_NOTHROW_LEAF_LIST,
11843         ATTR_NOTHROW_NONNULL_LEAF, ATTR_CONST_NOTHROW_NONNULL_LEAF,
11844         ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_PURE_NOTHROW_NONNULL_LEAF,
11845         ATTR_MALLOC_NOTHROW_NONNULL_LEAF): New attribute lists.
11846         * sync-builtins.def: Annotate all builtins by leaf.
11847         * omp-builtins.def: Annotate all builtins by leaf.
11848         * builtins.def: Annotate relevant builtins with leaf attribute.
11849         (ATTR_MATHFN_ERRNO, ATTR_MATHFN_FPROUNDING,
11850         ATTR_MATHFN_FPROUNDING_ERRNO, ATTR_MATHFN_FPROUNDING_STORE): Make
11851         leaf.
11852
11853 2010-09-28  Jan Hubicka  <jh@suse.cz>
11854
11855         * tree-ssa-ccp.c (fold_ctor_reference): New function.
11856         (fold_const_aggregate_ref): Use it.
11857         * fold-const.c (canonicalize_constructor_val): Check that we don't fold
11858         into external static.
11859
11860 2010-09-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11861
11862         PR target/44452
11863         * config/i386/i386.opt (mvect8-ret-in-mem): Define.
11864         * config/i386/i386.c (ix86_target_string): Handle -mvect8-ret-in-mem.
11865         (ix86_solaris_return_in_memory): Remove.
11866         * config/i386/i386-protos.h (ix86_solaris_return_in_memory): Remove.
11867         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
11868         (TARGET_SUBTARGET_DEFAULT): Redefine.
11869         * config/i386/sol2-10.h (TARGET_SUBTARGET_DEFAULT): Update comment.
11870         * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
11871         (TARGET_SUBTARGET_DEFAULT): Redefine.
11872         * doc/invoke.texi (Option Summary, i386 and x86-64 Options): Add
11873         -mvect8-ret-in-mem.
11874         (i386 and x86-64 Options): Document -mvect8-ret-in-mem.
11875
11876 2010-09-29  Alan Modra  <amodra@gmail.com>
11877
11878         PR target/45807
11879         * config/rs6000/aix.h (SETUP_FRAME_ADDRESSES): Delete.
11880         * config/rs6000/linux64.h (SETUP_FRAME_ADDRESSES): Delete.
11881         * config/rs6000/rs6000-protos.h (rs6000_aix_emit_builtin_unwind_init):
11882         Delete.
11883         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init): Delete.
11884         (rs6000_emit_prologue): Don't just create frame save info for r2,
11885         actually save r2.
11886
11887 2010-09-28  Richard Henderson  <rth@redhat.com>
11888
11889         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Output 8 bytes
11890         when 8 bytes are requested.
11891
11892 2010-09-28  Tristan Gingold  <gingold@adacore.com>
11893
11894         * config/avr/avr.c (expand_prologue): Set
11895         current_function_static_stack_size.
11896
11897 2010-09-28  Tristan Gingold  <gingold@adacore.com>
11898
11899         * config/alpha/alpha.md: Change the initial condition of the
11900         probing loop.
11901
11902 2010-09-28  Uros Bizjak  <ubizjak@gmail.com>
11903
11904         * config/i386/sse.md (*avx_<umaxmin:code><mode>3):
11905         Split from *avx_<maxmin:code><mode>3.
11906         (*avx_<smaxmin:code><mode>3): Ditto.
11907         * config/i386/i386.md (maxmin): Remove code iterator.
11908
11909 2010-09-27  Ian Lance Taylor  <iant@google.com>
11910
11911         * config/i386/i386.c (ix86_supports_split_stack): -fsplit-stack
11912         requires assembler support for CFI directives.
11913
11914 2010-09-27  Richard Henderson  <rth@redhat.com>
11915
11916         * dwarf2out.c (dwarf2out_cfi_label): Use ASM_OUTPUT_DEBUG_LABEL.
11917
11918 2010-09-27  Hans-Peter Nilsson  <hp@axis.com>
11919
11920         * emit-rtl.c (reorder_insns_nobb) [ENABLE_CHECKING]: Sanity-check
11921         that AFTER is not in the range FROM..TO, inclusive.
11922
11923 2010-09-27  Hans-Peter Nilsson  <hp@axis.com>
11924             Bernd Schmidt  <bernds@codesourcery.com>
11925
11926         PR rtl-optimization/45792
11927         * cfgcleanup.c (try_head_merge_bb): New rtx vector nextptr.
11928         If not all insns are to be merged, for each edge, stash the
11929         next candidate after the to-be-merged insns before doing the
11930         merge, and use them for the retry at the new insertion point.
11931         Handle CC0 targets when retrying.
11932
11933 2010-09-27  Ian Lance Taylor  <iant@google.com>
11934
11935         * common.opt (fsplit-stack): New option.
11936         * opts.c (decode_options): Set flag_split_stack to final value.
11937         * target.def (supports_split_stack): New hook.
11938         * gcc.c (STACK_SPLIT_SPEC): Define.
11939         (LINK_COMMAND_SPEC): Use STACK_SPLIT_SPEC.
11940         * doc/invoke.texi (Option Summary): Mention -fsplit-stack.
11941         (Code Gen Options): Document -fsplit-stack.
11942         * doc/extend.texi (Function Attributes): Mention no_split_stack.
11943         (Function Attributes): Document no_split_stack.
11944         * doc/tm.texi.in (Stack Smashing Protection): Add @hook
11945         TARGET_SUPPORTS_SPLIT_STACK.
11946         * doc/tm.texi: Rebuild.
11947         * function.c (thread_prologue_and_epilogue_insns): If
11948         flag_split_stack, add split stack prologue.
11949         * explow.c (allocate_dynamic_stack_space): Support -fsplit-stack.
11950         * varasm.c (saw_no_split_stack): New static variable.
11951         (assemble_start_function): Set saw_no_split_stack if the function
11952         has the no_split_stack attribute.
11953         (file_end_indicate_split_stack): New function.
11954         * output.h (file_end_indicate_split_stack): Declare.
11955         * libgcc-std.ver (GCC_4.6.0): Add -fsplit-stack support variables
11956         and function.
11957         * doc/libgcc.texi (Miscellaneous routines): Document -fsplit-stack
11958         routines.
11959         * config/i386/i386.c (ix86_option_override_internal): Don't set
11960         expand_builtin_va_start to NULL if -fsplit-stack.
11961         (ix86_function_regparm): Reduce local regparm by 1 for 32-bit
11962         -fsplit-stack.
11963         (ix86_va_start): If -fsplit-stack, get overflow pointer from
11964         scratch register set by prologue.
11965         (ix86_code_end): If -fsplit-stack, call
11966         file_end_indicate_split_stack.
11967         (ix86_supports_split_stack): New static function.
11968         (SPLIT_STACK_AVAILABLE): Define.
11969         (split_stack_prologue_scratch_regno): New static function.
11970         (split_stack_fn): New static variable.
11971         (ix86_expand_split_stack_prologue): New function.
11972         (ix86_live_on_entry): New static function.
11973         (ix86_legitimate_address_p): Handle UNSPEC_STACK_CHECK.
11974         (output_pic_addr_const): Likewise.
11975         (i386_asm_output_addr_const_extra): Likewise.
11976         (ix86_expand_call): Change return type to rtx.  Return the new
11977         call instruction.
11978         (TARGET_SUPPORTS_SPLIT_STACK): Define.
11979         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
11980         * config/i386/i386.md (UNSPEC_STACK_CHECK): Define.
11981         (split_stack_prologue, split_stack_return): New insns.
11982         (split_stack_space_check): New insn.
11983         * config/i386/i386.h (struct machine_function): Add
11984         split_stack_varargs_pointer field.
11985         * config/i386/linux.h (TARGET_CAN_SPLIT_STACK): Define.
11986         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
11987         * config/i386/linux64.h (TARGET_CAN_SPLIT_STACK): Define.
11988         (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
11989         * config/i386/i386-protos.h (ix86_expand_split_stack_prologue):
11990         Declare.
11991         (ix86_expand_call): Update declaration.
11992
11993 2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>
11994
11995         * doc/objc.texi (Type encoding): Added the new 'long double' (D)
11996         code.  Added byref, which was missing in the list of codes.
11997         Explain that enumeration values are encoded as the integer type
11998         that the compiler uses to store them.  Explain and make examples
11999         of how 'const' interacts with pointers, and the complication of
12000         the encoding of 'const char *'.
12001         (Legacy type encoding): New subsection, explaining that GCC emits
12002         incorrect type encodings for the NeXT runtime for compatibility
12003         reasons.
12004         (@@encode): New subsection, explaining @encode and particularly
12005         that protocol qualifiers are not recognized inside an @encode()
12006         expression.
12007         (Method signatures): New subsection, explaining how method
12008         signatures are encoded.
12009
12010 2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>
12011
12012         Merge from 'apple/trunk' branch on FSF servers.  Removed small
12013         change in build_conditional_expr that had been added when fixing
12014         PR objc/27377 and which did the same check in a less complete way.
12015
12016         2005-12-15  Fariborz Jahanian  <fjahanian@apple.com>
12017
12018         Radar 4229905
12019         * c-typeck.c (build_conditional_expr): Call objc_have_common_type when
12020         looking for objective-c common pointer types.
12021
12022         2005-06-22  Ziemowit Laski  <zlaski@apple.com>
12023
12024         Radar 4154928
12025         * c-typeck.c (build_conditional_expr): For two ObjC pointer types,
12026         use their ObjC common type.
12027
12028 2010-09-27  Richard Guenther  <rguenther@suse.de>
12029
12030         * dbxout.c (dbxout_symbol): Use DECL_FILE_SCOPE_P.
12031
12032 2010-09-27  Jie Zhang  <jie@codesourcery.com>
12033
12034         * print-tree.c (print_node): Print in-constant-pool.
12035
12036 2010-09-27  Uros Bizjak  <ubizjak@gmail.com>
12037
12038         * config/i386/i386.h (CLASS_MAX_NREGS): Also handle XCmode.
12039         (UNITS_PER_WORD): Define only when IN_LIBGCC2 is undefined.
12040         (MOVE_MAX_PIECES): Redefine using UNITS_PER_WORD.
12041         (ASM_OUTPUT_AVX_PREFIX): Simplify pointer addition.
12042
12043 2010-09-26  Uros Bizjak  <ubizjak@gmail.com>
12044
12045         * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_add): Merge
12046         from pro_epilogue_adjust_stack_<mode>_{1,2}.
12047         (pro_epilogue_adjust_stack_<mode>_add): Rename from
12048         pro_epilogue_adjust_stack_<mode>_3.
12049         * config/i386/i386.c (pro_epilogue_adjust_stack): Update for
12050         renamed pro_epilogue_adjust_stack_{si,di}_add.
12051         (ix86_expand_prologue): Use indirect functions.  Update for renamed
12052         pro_epilogue_adjust_stack_{si,di}_sub.
12053
12054 2010-09-26  Uros Bizjak  <ubizjak@gmail.com>
12055
12056         * config/i386/i386.md (movmsk_df): New insn.
12057         (signbitdf): Split out of signbit<mode>2.  Generate movmsk_df
12058         sequence for TARGET_SSE_MATH.
12059
12060 2010-09-26  Richard Sandiford  <rdsandiford@googlemail.com>
12061
12062         * config/mips/mips.c (mips_builtin_decls): Declare.
12063         (mips_init_builtins): Store function declarations in
12064         mips_builtin_decls.
12065         (mips_builtin_decl): New function.
12066         (TARGET_BUILTIN_DECL): Define.
12067
12068 2010-09-25  Kai Tietz  <kai.tietz@onevision.com>
12069             Richard Henderson  <rth@redhat.com>
12070
12071         * config/i386/cygwin.asm: Include auto-host.h.
12072         (cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
12073         cfi_def_cfa_register, cfi_register, cfi_push, cfi_pop): New macros.
12074         (__chkstk, __alloca): Annotate for dwarf2 unwind info.  Drop
12075         alignment code from the 64-bit path.  Use gas local labels.
12076         * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_2): Macroize
12077         from _di_2.  Remove the useless constant integer argument.
12078         (pro_epilogue_adjust_stack_<mode>_3): New.
12079         (allocate_stack_worker_probe_<mode>): Macroize from
12080         allocate_stack_worker_{32,64}.  Use __chkstk_ms.  Update all users.
12081         * config/i386/i386.c (ix86_expand_prologue): Use __chkstk_ms;
12082         use gen_pro_epilogue_adjust_stack_*_3 and annotate it.
12083         (__chkstk_ms): New function.
12084         * config/i386/t-cygming (LIB1ASMFUNCS): Add _chkstk_ms.
12085         * config/i386/t-interix: Likewise.
12086         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Export for target.
12087         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
12088         (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): Likewise.
12089         * configure, config.in: Rebuild.
12090
12091 2010-09-25  Eric Botcazou  <ebotcazou@adacore.com>
12092
12093         * tree-inline.c (copy_bb): Use GSI_CONTINUE_LINKING when inserting new
12094         statements because of the return slot optimization.
12095
12096 2010-09-25  Anatoly Sokolov  <aesok@post.ru>
12097
12098         * config/avr/avr.h (CLASS_LIKELY_SPILLED_P): Remove.
12099         * config/avr/avr-protos.h (class_likely_spilled_p): Remove.
12100         * config/avr/avr.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
12101         (class_likely_spilled_p): Rename to...
12102         (avr_class_likely_spilled_p): ...this. Make static. Change argument
12103         type to reg_class_t.
12104
12105 2010-09-24  Jan Hubicka  <jh@suse.cz>
12106
12107         * lto-symtab.c (lto_symtab_entry_def): Add guessed field.
12108         (lto_symtab_resolve_symbols): Set it.
12109         (lto_symtab_merge_decls_1): Do not compute used_from_object_file;
12110         store resolution field in cgraph/varpool.
12111         * cgraph.c (cgraph_same_body_alias, cgraph_add_thunk): Return node.
12112         (cgraph_get_node_or_alias, cgraph_get_node_or_alias): Constify.
12113         (cgraph_dump_node): Drop used_from_object_file.
12114         (cgraph_clone_node, cgraph_create_virtual_clone): Likewise.
12115         (cgraph_function_body_availability): Use decl_replaceable_p.
12116         (cgraph_make_node_local): Set resolution to LDPR_PREVAILING_DEF_IRONLY.
12117         (cgraph_can_remove_if_no_direct_calls_and_refs): Use
12118         cgraph_used_from_object_file_p.
12119         (cgraph_will_be_removed_from_program_if_no_direct_calls): Use
12120         cgraph_used_from_object_file_p.
12121         (resolution_used_from_other_file_p): New functoin.
12122         (cgraph_used_from_object_file_p): New predicate.
12123         * cgraph.h: Include plugin-api.h
12124         (struct cgraph_local_info): Remove used_from_object_file.
12125         (struct cgraph_node): Add resolution field.
12126         (struct varpool_node): Likewise; remove used_from_object_file;
12127         reove const_value_known.
12128         (cgraph_get_node, cgraph_get_node_or_alias, cgraph_node,
12129         cgraph_same_body_alias, cgraph_add_thunk): Update prototypes.
12130         (resolution_used_from_other_file_p, cgraph_used_from_object_file_p,
12131         varpool_used_from_object_file_p): Declare.
12132         (varpool_get_node, varpool_extra_name_alias): Update prototype.
12133         * tree.h (DECL_REPLACEABLE_P): Remove.
12134         (decl_replaceable_p, decl_binds_to_current_def_p): Declare.
12135         * final.c (rest_of_clean_state): Use decl_binds_to_current_def_p.
12136         * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
12137         input_overwrite_node, input_node, input_varpool_node): Stream
12138         resolution.
12139         * expr.c (expand_expr_real_1): Use const_value_known_p
12140         * ipa.c (ipa_discover_readonly_nonaddressable_var): Do not set
12141         const_value_known.
12142         (cgraph_externally_visible_p): Use cgraph_used_from_object_file_p.
12143         (function_and_variable_visibility): Set resolution for local vars
12144         and functions; use varpool_used_from_object_file_p.
12145         * varasm.c (resolution_to_local_definition_p, resolution_local_p): New
12146         static functions.
12147         (default_binds_local_p_1): Use resolutoin info.
12148         (decl_binds_to_current_def_p, decl_replaceable_p): New functions.
12149         * varpool.c (varpool_get_node): Constify.
12150         (const_value_known_p): Do not use vnode->const_value_known;
12151         use decl_replaceable_p.
12152         (varpool_finalize_decl): Do not set const_value_known.
12153         (cgraph_variable_initializer_availability): Use decl_replaceable_p
12154         (varpool_extra_name_alias): Return new node.
12155         (varpool_used_from_object_file_p): New function.
12156
12157 2010-09-24  Richard Henderson  <rth@redhat.com>
12158
12159         * config/ia64/ia64.c (ia64_dwarf_handle_frame_unspec): New.
12160         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): New.
12161         (do_spill): Use REG_CFA_OFFSET.
12162         (ia64_expand_prologue): Use REG_CFA_ADJUST_CFA and REG_CFA_REGISTER
12163         as appropriate.
12164         (ia64_expand_epilogue): Likewise.
12165         (process_set): Split into ...
12166         (process_cfa_adjust_cfa): this,
12167         (process_cfa_register): this,
12168         (process_cfa_offset): and this new function.
12169         (ia64_asm_unwind_emit): Use them.  Expect REG_CFA_* notes
12170         instead of REG_FRAME_RELATED_EXPR.
12171
12172 2010-09-24  Olivier Hainque  <hainque@adacore.com>
12173
12174         * config/i386/vx-common.h (DBX_REGISTER_NUMBER): Reinstate.
12175
12176 2010-09-24  Jan Hubicka  <jh@suse.cz>
12177
12178         * doc/extend.texi: (attribute leaf): Document.
12179         * tree.c (local_define_builtin): Handle ECF_LEAF.
12180         (build_common_builtin_nodes): Set ECF_LEAF where needed.
12181         * tree.h (ECF_LEAF): New.
12182         * ipa-reference.c (propagate_bits): For leaf calls propagate ever
12183         overwrittable and unavailable functions.
12184         (ipa_init): Put all_module_statics into optimization_summary_obstack.
12185         (copy_global_bitmap): Do not copy all_module_statics.
12186         (read_write_all_from_decl): Use cgraph_node argument; handle ECF_LEAF.
12187         (propagate): Handle overwritable and unavailable leaf functions;
12188         initialize global info for overwritable and unavailable leaf functions;
12189         do not free all module statics.
12190         (ipa_reference_get_not_{read,written}_global): Leaf calls don't clobber
12191         local statics.
12192         * calls.c (flags_from_decl_or_type): Handle leaf.
12193         * tree-cfg.c (stmt_can_make_abnormal_goto): Leaf functions can't do
12194         abnormal gotos.
12195
12196 2010-09-24  Basile Starynkevitch  <basile@starynkevitch.net>
12197
12198         * gengtype.c: Reindented.
12199         * gengtype.h: Reindented.
12200         * gengtype-parse.c: Reindented.
12201
12202 2010-09-24  Jan Hubicka  <jh@suse.cz>
12203
12204         PR tree-optimization/45738
12205         PR tree-optimization/45741
12206         * expr.c (string_constant): Allow CONST_DECL too;
12207         check that DECL_INITIAL is set.
12208         * varpool.c (const_value_known_p): Only look into VAR_DECL
12209         and CONST_DECL.
12210
12211 2010-09-24  Joseph Myers  <joseph@codesourcery.com>
12212
12213         * common.opt (undef): New.
12214
12215 2010-09-24  Jakub Jelinek  <jakub@redhat.com>
12216
12217         PR middle-end/45234
12218         * rtl.h (enum global_rtl_index): Add
12219         GR_VIRTUAL_PREFERRED_STACK_BOUNDARY.
12220         (LAST_VIRTUAL_POINTER_REGISTER): Define.
12221         (virtual_preferred_stack_boundary_rtx,
12222         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM): Define.
12223         (LAST_VIRTUAL_REGISTER): Increase by one.
12224         (REGNO_PTR_FRAME_P): Use LAST_VIRTUAL_POINTER_REGISTER
12225         instead of LAST_VIRTUAL_REGISTER.
12226         * function.c (instantiate_new_reg): Handle
12227         virtual_preferred_stack_boundary_rtx.
12228         * emit-rtl.c (init_virtual_regs): Handle
12229         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
12230         (init_emit_regs): Initialize virtual_preferred_stack_boundary_rtx.
12231         * explow.c (round_push): If crtl->preferred_stack_boundary
12232         is smaller than MAX_SUPPORTED_STACK_ALIGNMENT, use
12233         virtual_preferred_stack_boundary_rtx alignment instead of
12234         crtl->preferred_stack_boundary alignment.
12235         (allocate_dynamic_stack_space): Use CONST_INT_P and REG_P
12236         macros.  Never decrease crtl->preferred_stack_boundary,
12237         use crtl->preferred_stack_boundary or MAX_SUPPORTED_STACK_ALIGNMENT
12238         instead of PREFERRED_STACK_BOUNDARY.  Don't modify
12239         stack_pointer_delta in dynamic allocation, even when size
12240         is constant.
12241         (probe_stack_range, anti_adjust_stack_and_probe): Use CONST_INT_P
12242         macro.
12243         * print-rtl.c (print_rtx): Handle
12244         VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
12245         * config/alpha/alpha.h (NONSTRICT_REG_OK_FP_BASE_P): Use
12246         LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER.
12247         * config/frv/frv.c (frv_emit_movsi): Likewise.
12248         * config/arm/arm.c (thumb1_legitimate_address_p): Likewise.
12249         * config/rs6000/rs6000.c (virtual_stack_registers_memory_p):
12250         Likewise.
12251
12252         Revert:
12253         2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
12254
12255         PR middle-end/45234
12256         * calls.c (expand_call): Make sure that all variable sized
12257         adjustments are multiple of preferred stack boundary after
12258         stack alignment.
12259
12260 2010-09-24  Iain Sandoe  <iains@gcc.gnu.org>
12261             Dominique Dhumieres  <dominiq@lps.ens.fr>
12262
12263         PR bootstrap/45751
12264         * config/darwin-driver.c (darwin_default_min_version):
12265         Adjust size passed to memcpy in two places.
12266
12267 2010-09-24  Richard Guenther  <rguenther@suse.de>
12268
12269         * c-decl.c (pop_scope): Always set file-scope DECL_CONTEXT.
12270         Make sure to not call set_type_context with error_mark_node.
12271         * langhooks.c (lhd_set_decl_assembler_name): Use DECL_FILE_SCOPE_P.
12272
12273 2010-09-24  Richard Guenther  <rguenther@suse.de>
12274
12275         * Makefile.in (OBJS-onestep): Remove.
12276         (ALL_HOST_BACKEND_OBJS): Remove libbackend.o.
12277         (libbackend.a): Remove onestep support.
12278         (libbackend.o): Remove.
12279         * configure.ac (--enable-intermodule): Remove.
12280         * configure: Regenerate.
12281
12282 2010-09-24  Bernd Schmidt  <bernds@codesourcery.com>
12283
12284         * cfgcleanup.c (flow_find_head_matching_sequence): Terminate when
12285         reaching the end of a block if it occurs at a DEBUG_INSN.
12286
12287 2010-09-09  Tristan Gingold  <gingold@adacore.com>
12288
12289         PR target/44242
12290         * config/vms/vms-crt0-64.c: Removed.
12291         * config/vms/vms-crt0.c: Removed.
12292         * config/vms/vms-psxcrt0-64.c: Removed.
12293         * config/vms/vms-psxcrt0.c: Removed.
12294         * config/vms/vms-ucrt0.c: New file.
12295         * config/vms/t-vms64: Removed.
12296         * config/vms/t-vms (VMS_EXTRA_PARTS): Uncomment it.  Remove DECC.
12297         Use $(GCC_FOR_TARGET) to build pcrt0.o and vcrt0.o
12298         * config.gcc (alpha-dec-vms): Use t-vms.
12299
12300 2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>
12301
12302         * doc/invoke.texi (-fno-nil-receivers): Tidied up line to remove
12303         underfull hbox in DVI output.
12304         (-fobjc-class-cxx-cdtors): Same change.
12305         (-fobjc-exceptions): Tidied up documentation.  Explain what the
12306         option does, but moved the (lenghty) description of the exception
12307         syntax into objc.texi.
12308         (-fobjc-gc): Explain that the option is not useful with the GNU
12309         runtime.
12310         (-fzero-link): Explain that the GNU runtime always works in
12311         "zero-link" mode.
12312         * doc/objc.texi: All sections: simplified @node declarations
12313         removing specification of next, previous, up node.
12314         (Objective-C): Updated introduction.
12315         (Garbage Collection): Updated.  The bohem-gc library is now
12316         included in gcc itself.  Mention that this section only applies to
12317         the GNU Objective-C runtime.
12318         (compatibility_alias): Small tidy up.
12319         (Exceptions): New section mostly containing text previously in the
12320         description of the -fobjc-exception command-line option.
12321         (Synchronization): Same.
12322
12323 2010-09-24  Uros Bizjak  <ubizjak@gmail.com>
12324
12325         * config/i386/i386.md (ix86_code_end): Move the initialization of
12326         xops array near the consumer.  Use AX_REG and SP_REG instead of
12327         numerical constants.
12328
12329 2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>
12330
12331         * c-typeck.c (convert_arguments): Use warning 'too many arguments to
12332         method [methodname]' for an Objective-C method instead of the less
12333         satisfactory 'too many arguments to function' (with no method name).
12334
12335 2010-09-23  Eric Botcazou  <ebotcazou@adacore.com>
12336
12337         * tree-flow.h (execute_update_addresses_taken): Remove parameter.
12338         * tree-ssa.c (maybe_optimize_var): Tweak comment and dump messages.
12339         (execute_update_addresses_taken): Remove parameter.  Execute the
12340         optimization unconditionally.
12341         * passes.c (execute_function_todo): Call execute_update_addresses_taken
12342         unconditionally if TODO_rebuild_alias is set, else only when optimizing
12343         if TODO_update_address_taken is set.
12344
12345 2010-09-23  Anatoly Sokolov  <aesok@post.ru>
12346
12347         * config/arm/arm.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
12348         * config/arm/arm-protos.h (arm_output_addr_const_extra): Remove.
12349         * config/arm/arm.c (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
12350         (arm_output_addr_const_extra): Make static.
12351
12352 2010-09-23  Uros Bizjak  <ubizjak@gmail.com>
12353
12354         * config/i386/i386.md (UNSPECV_NOPS): Rename from UNSPEC_NOPS and
12355         define as unspec_volatile.
12356         ("nops"): Define as unspec_volatile. Use fputs to write to
12357         asm_out_file directly.  Output NOPs on separate lines using while loop.
12358         * config/i386/i386.c (ix86_code_end): Use fputs to write to
12359         asm_out_file directly.  Output NOPs on separate lines using while loop.
12360
12361 2010-09-23  Richard Guenther  <rguenther@suse.de>
12362
12363         PR tree-optimization/45565
12364         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
12365         Make sure to adjust the fndecl before replacing the stmt.
12366
12367 2010-09-23  Richard Guenther  <rguenther@suse.de>
12368
12369         PR middle-end/45750
12370         * gimplify.c (gimplify_expr): Properly pass on GS_ERROR when
12371         gimplifying MEM_REF.
12372
12373 2010-09-23  Alan Modra  <amodra@gmail.com>
12374
12375         * config/rs6000/rs6000.c (toc_relative_ok): Delete.
12376         (rs6000_emit_move): Use SYMBOL_REF_LOCAL_P instead.
12377
12378 2010-09-23  Bernd Schmidt  <bernds@codesourcery.com>
12379
12380         PR rtl-optimization/44374
12381         * basic-block.h (enum bb_flags): Add BB_MODIFIED.
12382         * df-core.c (df_set_bb_dirty): Set it.
12383         * ifcvt.c (find_memory): Remove function.
12384         (dead_or_predicable): Use can_move_insns_across.
12385         * df.h (can_move_insns_across): Declare function.
12386         * cfgcleanup.c (block_was_dirty): New static variable.
12387         (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
12388         than df_get_bb_dirty.
12389         (try_head_merge_bb): New static function.
12390         (try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
12391         is set.
12392         * df-problems.c: Include "target.h"
12393         (df_simulate_find_uses): New static function.
12394         (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
12395         (find_memory, find_memory_store): New static functions.
12396         (can_move_insns_across): New function.
12397         * Makefile.in (df-problems.o): Update dependencies.
12398
12399 2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>
12400
12401         PR java/44095
12402         * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
12403         is specified and the suffix of the file isn't ".c".
12404         * config/sparc/linux64.h (ASM_SPEC): Likewise.
12405
12406 2010-09-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12407
12408         * doc/contrib.texi (Contributors): Allow URL to wrap in PDF output.
12409         * doc/cppopts.texi: Fix markup of index entry.
12410         * doc/extend.texi (Constructing Calls): Fix markup of
12411         __builtin_va_arg_pack and __builtin_va_arg_pack_len definition.
12412         (Conditionals, C++ Comments, Pragmas, Unnamed Fields, Thread-Local)
12413         (Vague Linkage, C++ Attributes): Fix markup of index entries and
12414         keywords.
12415         * doc/invoke.texi (Option Summary): Fix spacing.  Rewrap to
12416         avoid long lines.
12417         (C Dialect Options, C++ Dialect Options, Warning Options)
12418         (Debugging Options, Spec Files, Darwin Options)
12419         (i386 and x86-64 Options, MIPS Options)
12420         (RS/6000 and PowerPC Options, Code Gen Options): Fix markup of
12421         index entries, avoid abbreviations, allow URLs to wrap, avoid
12422         long lines, avoid overlong pages from long @itemx lists.
12423         * doc/objc.texi (Garbage Collection): Allow URLs to wrap.
12424         * doc/standards.texi (Standards): Likewise.
12425         * doc/trouble.texi (Incompatibilities): Fix markup of index entry.
12426
12427 2010-09-22  Joseph Myers  <joseph@codesourcery.com>
12428
12429         * opts-common.c (prune_options): Make static.  Work with decoded
12430         options.
12431         (decode_cmdline_options_to_array): Call prune_options.  Don't
12432         resize option array here.
12433         * opts.h (prune_options): Remove prototype.
12434         * gcc.c (process_command): Take decoded options; don't call
12435         decode_cmdline_options_to_array here.  Use decoded options for argv[0].
12436         (main): Call decode_cmdline_options_to_array here instead of
12437         prune_options.  Update call to process_command.
12438         * config/darwin-driver.c: Include opts.h.
12439         (darwin_default_min_version): Work with decoded options.  Don't
12440         handle -b or -V here.
12441         * config/darwin.h (darwin_default_min_version): Update prototype.
12442         (GCC_DRIVER_HOST_INITIALIZATION): Update call to
12443         darwin_default_min_version.
12444         * config/i386/cygwin.h (mingw_scan): Update prototype.
12445         (GCC_DRIVER_HOST_INITIALIZATION): Update call to mingw_scan.
12446         * config/i386/cygwin1.c: Include opts.h.
12447         (mingw_scan): Work with decoded options.
12448         * config/i386/t-cygwin (cygwin1.o): Update dependencies.
12449         * config/t-darwin (darwin-driver.o): Update dependencies.
12450
12451 2010-09-22  Joseph Myers  <joseph@codesourcery.com>
12452
12453         * common.opt (-assemble, -compile, -coverage, -debug, -dump,
12454         -dump=, -dumpbase, -dumpdir, -entry, -entry=, -extra-warnings,
12455         -for-assembler, -for-assembler=, -for-linker, -for-linker=,
12456         -force-link, -force-link=, -language, -language=,
12457         -library-directory, -library-directory=, -no-canonical-prefixes,
12458         -no-standard-libraries, -no-warnings, -optimize, -output,
12459         -output=, -pass-exit-codes, -pedantic, -pedantic-errors, -pie,
12460         -pipe, -prefix, -prefix=, -preprocess, -print-file-name,
12461         -print-file-name=, -print-libgcc-file-name,
12462         -print-multi-directory, -print-multi-lib,
12463         -print-multi-os-directory, -print-prog-name, -print-prog-name=,
12464         -print-search-dirs, -print-sysroot, -print-sysroot-headers-suffix,
12465         -profile, -save-temps, -shared, -specs, -specs=, -static,
12466         -symbolic, -time, -verbose, -param=, -sysroot, coverage, e, u,
12467         symbolic): New.
12468         (fhelp, fhelp=, ftarget-help, fversion): Make into aliases.
12469         * gcc.c (A Short Introduction to Adding a Command-Line Option):
12470         Remove comment.
12471         (cc1_options): Correct specs for passing down --help,
12472         --target-help and --help=*.  Add spec for passing down --version.
12473         (struct option_map, option_map, target_option_translations,
12474         translate_options): Remove.
12475         (driver_handle_option): Handle OPT__version, OPT__help, OPT__help_
12476         and OPT__target_help instead of OPT_fversion, OPT_fhelp,
12477         OPT_fhelp_ and OPT_ftarget_help.
12478         (process_command): Don't call translate_options.  Call
12479         decode_cmdline_options_to_array before checking for
12480         -no-canonical-prefixes using decoded options.
12481         * opts-common.c (tm.h): Update comment on #include.
12482         (find_opt): Allow abbreviations of long options.
12483         (struct option_map, option_map): New.
12484         (decode_cmdline_option): Use them instead of hardcoding -Wno, -fno
12485         and -mno handling.
12486         (target_option_translations): New.
12487         (decode_cmdline_options_to_array): Handle
12488         TARGET_OPTION_TRANSLATE_TABLE in driver.
12489         * opts.c (common_handle_option): Don't handle OPT_fhelp,
12490         OPT_ftarget_help, OPT_fhelp_ or OPT_fversion.
12491
12492 2010-09-22  Richard Guenther  <rguenther@suse.de>
12493
12494         * tree-inline.c (optimize_inline_calls): Schedule cleanups
12495         only if we inlined something.  Block compaction and conditional
12496         folding are done by cfg cleanup.  Schedule update-address-taken.
12497         (tree_function_versioning): Remove redundant call to number_blocks.
12498         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Conditional
12499         folding is done by cfg cleanup.
12500         * passes.c (init_optimization_passes): Remove update-address-taken
12501         pass after IPA inlining.
12502
12503 2010-09-22  Chung-Lin Tang  <cltang@codesourcery.com>
12504
12505         * postreload.c (move2add_note_store): Add reg_symbol_ref[] checks
12506         to update conditions. Fix reg_mode[] check.
12507
12508 2010-09-22  Hariharan Sandanagobalane  <hariharan@picochip.com>
12509
12510         * config/picochip/picochip.md (movhicc): Use expand to check whether
12511         movhicc is available and split it after reload.
12512
12513 2010-09-22  Richard Guenther  <rguenther@suse.de>
12514
12515         * tree-ssanames.c (release_dead_ssa_names): Do not remove
12516         callee edges here.
12517         * passes.c (init_optimization_passes): Remove early CFG cleanup.
12518         * tree-optimize.c (execute_cleanup_cfg_pre_ipa): Remove.
12519         (pass_cleanup_cfg): Likewise.
12520         (execute_fixup_cfg): Cleanup.
12521         * tree-pass.h (pass_cleanup_cfg): Remove.
12522
12523 2010-09-22  Martin Jambor  <mjambor@suse.cz>
12524
12525         * gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold
12526         builtins if it is true.
12527         (fold_stmt_1): Call, fold_gimple_call always, pass inplace as a
12528         parameter.
12529
12530 2010-09-22  Martin Jambor  <mjambor@suse.cz>
12531
12532         * tree-sra.c (struct access): New field grp_no_warning.
12533         (create_access_replacement): Set TREE_NO_WARNING according to
12534          grp_no_warning.
12535         (create_artificial_child_access): Use build_ref_for_model and set
12536         grp_no_warning if build_user_friendly_ref_for_offset fails.
12537         (propagate_subaccesses_across_link): Likewise.
12538
12539 2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>
12540
12541         PR target/35664
12542         * config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
12543         ('f'): Likewise.
12544
12545 2010-09-22  Tristan Gingold  <gingold@adacore.com>
12546
12547         * config/alpha/alpha.c (alpha_use_linkage): Initialize target field.
12548
12549 2010-09-22  Uros Bizjak  <ubizjak@gmail.com>
12550
12551         * config/i386/i386.h (MAX_STRINGOP_ALGS): Fix typo in the name.
12552         * config/i386/i386.c (decide_alg): Update for rename.
12553
12554 2010-09-22  Jakub Jelinek  <jakub@redhat.com>
12555
12556         PR rtl-optimization/45739
12557         * simplify-rtx.c (simplify_binary_operation_1): Optimize even
12558         vector mode | CONST0_RTX (mode) and ^ CONST0_RTX (mode).
12559
12560 2010-09-21  Anatoly Sokolov  <aesok@post.ru>
12561
12562         * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): Remove macros.
12563         * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
12564         Remove.
12565         * config/rs6000/rs6000.c (rs6000_output_addr_const_extra): Make static.
12566         (TTARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
12567
12568 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
12569
12570         PR objc/23710
12571         * c-parser.c (c_parser_objc_method_definition): Check the return
12572         value of objc_start_method_definition and if false is returned,
12573         parse the method definition but emit no code.
12574
12575 2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>
12576
12577         PR objc/25965
12578         * c-decl.c (detect_field_duplicates): If compiling Objective-C,
12579         call objc_get_interface_ivars ().
12580
12581 2010-09-21  Kai Tietz  <kai.tietz@onevision.com>
12582
12583         PR target/45694
12584         * config/i386/i386.c (ix86_expand_prologue): Save r10 in case that
12585         static chain-register is used for 64-bit.
12586
12587 2010-09-21  Richard Guenther  <rguenther@suse.de>
12588
12589         * dwarf2out.c (is_cu_die): New function.
12590         (add_pubtype): Use it.
12591         (gen_subprogram_die): Likewise.
12592         (gen_struct_or_union_type_die): Likewise.
12593         (dwarf2out_finish): Likewise.
12594         (comp_unit_die): Rename to ...
12595         (single_comp_unit_die): ... this.
12596         (comp_unit_die): New function lazily constructing and
12597         returning single_comp_unit_die.
12598         (is_cxx, is_fortran, is_ada, debug_dwarf, break_out_comdat_types,
12599         base_type_die, subrange_type_die, modified_type_die,
12600         lower_bound_default, add_bound_info, add_prototyped_attribute,
12601         dwarf2out_vms_debug_main_pointer, scope_die_for, retry_incomplete_types,
12602         dwarf2out_abstract_function, gen_type_die_with_usage, get_context_die,
12603         force_decl_die, gen_namespace_die, dwarf2out_decl,
12604         dwarf2out_start_source_file, dwarf2out_end_source_file,
12605         prune_unused_types, dwarf2out_finish): Use it.
12606         (gen_compile_unit_die): For GNU GIMPLE derive DW_AT_language from
12607         the global list of translation-unit decls.
12608         (dwarf2out_init): Do not create single_comp_unit_die here.
12609         (force_decl_die): Handle TRANSLATION_UNIT_DECL.
12610
12611 2010-09-21  Richard Guenther  <rguenther@suse.de>
12612
12613         * dwarf2out.c (dwarf2out_decl): Do not always generate a DIE
12614         for bool for C++.
12615
12616 2010-09-21  Bernd Schmidt  <bernds@codesourcery.com>
12617
12618         * config/arm/iterators.md (qhs_extenddi_op): New mode_attr.
12619         (qhs_extenddi_cstr): Likewise.
12620         * config/arm/arm.md (zero_extend<mode>di2, extend<mode>di2): Use
12621         them for the source operand.
12622
12623 2010-09-21  Uros Bizjak  <ubizjak@gmail.com>
12624
12625         * config/i386/i386.c (ix86_split_ashl): Rename single_width variable
12626         to half_width.  Use GET_MODE_BITSIZE to calculate mode size.
12627         (ix86_split_ashr): Ditto.
12628         (ix86_split_lshr): Ditto.
12629
12630 2010-09-21  Richard Guenther  <rguenther@suse.de>
12631
12632         PR tree-optimization/45580
12633         * tree-ssa-propagate.c (substitute_and_fold): Always replace
12634         regular uses.
12635         * gimple-fold.c (gimple_fold_obj_type_ref): For a BINFO without
12636         virtuals fold the call into a regular indirect one.
12637
12638 2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>
12639
12640         PR rtl-optimization/42775
12641         * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
12642         scheduling is enabled.
12643
12644 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
12645
12646         PR rtl-optimization/45728
12647         * expr.c (expand_expr_real_1): If op0 isn't REG or MEM, try
12648         gen_lowpart_common first and if that fails, force_reg first
12649         before calling gen_lowpart.
12650
12651         PR middle-end/45678
12652         * cfgexpand.c (expand_one_stack_var_at): Use
12653         crtl->max_used_stack_slot_alignment as max_align, instead
12654         of maximum of that and PREFERRED_STACK_BOUNDARY.
12655         Don't call update_stack_alignment.
12656
12657 2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>
12658
12659         * langhooks.h (struct lang_hooks_for_types): Remove hash_types field.
12660         * langhooks-def.h (LANG_HOOKS_HASH_TYPES): Delete.
12661         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_HASH_TYPES.
12662         * system.h (LANG_HOOKS_HASH_TYPES): Poison.
12663         * tree.c (type_hash_canon): Do not test lang_hooks.types.hash_types.
12664         (build_nonstandard_integer_type): Likewise.
12665         (build_range_type_1): New function, built from...
12666         (build_range_type): ...this.  Call build_range_type_1.
12667         (build_nonshared_range_type): New function.
12668         (build_array_type_1): New function, built from...
12669         (build_array_type: ...this.  Call build_array_type_1.
12670         (build_nonshared_array_type): New function.
12671         * tree.h (build_nonshared_range_type): Declare.
12672         (build_nonshared_array_type): Likewise.
12673
12674 2010-09-20  Anatoly Sokolov  <aesok@post.ru>
12675
12676         * config/arm/arm.h (CLASS_LIKELY_SPILLED_P): Remove.
12677         * config/arm/arm.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
12678         (arm_class_likely_spilled_p): New function.
12679
12680 2010-09-20  Uros Bizjak  <ubizjak@gmail.com>
12681
12682         * config/i386/i386.c (ix86_expand_ashl_const): Rewrite using
12683         indirect functions.
12684         (ix86_split_ashl): Ditto.
12685         (ix86_split_ashr): Ditto.
12686         (ix86_split_lshr): Ditto.
12687         (ix86_adjust_counter): Ditto.
12688
12689 2010-09-20  Nicola Pero  <nicola.pero@meta-innovation.com>
12690
12691         * c-family/c-common.h (constant_string_class): Documented with
12692         comment identical to the one already in c-common.c.
12693
12694 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
12695
12696         * dwarf2out.c (any_cfis_emitted): New static variable.
12697         (add_fde_cfi): Set it.
12698         (dwarf2out_frame_debug): Clear it before processing,
12699         if it is set afterwards, flush any queued reg saves.
12700
12701         PR debug/45124
12702         * dwarf2out.c (add_accessibility_attribute): Assume
12703         DW_ACCESS_private as the default for dwarf_version > 2
12704         and DW_TAG_class_type parent.
12705         (gen_inheritance_die): Assume DW_ACCESS_public as the default
12706         for dwarf_version > 2 and parent other than DW_TAG_class_type.
12707
12708 2010-09-20  Rafael Carre  <rafael.carre@gmail.com>
12709
12710         PR target/45726
12711         * arm.md (arm_movt): Only enable on machines with MOVT.
12712
12713 2010-09-20  Jie Zhang  <jie@codesourcery.com>
12714
12715         * config/arm/arm.c (arm_address_offset_is_imm): New.
12716         (arm_early_store_addr_dep): New.
12717         (arm_early_load_addr_dep): New.
12718         * config/arm/arm-protos.h (arm_early_store_addr_dep): Declare.
12719         (arm_early_load_addr_dep): Declare.
12720         (arm_address_offset_is_imm): Declare.
12721         * config/arm/cortex-m4.md: New file.
12722         * config/arm/cortex-m4-fpu.md: New file.
12723         * config/arm/arm.md: Include cortex-m4.md and cortex-m4-fpu.md.
12724         (attr generic_sched): Exclude cortexm4.
12725         (attr generic_vfp): Exclude cortexm4.
12726
12727 2010-09-20  Richard Guenther  <rguenther@suse.de>
12728
12729         PR middle-end/45704
12730         * gimplify.c (gimplify_modify_expr_rhs): Preserve volatileness.
12731
12732 2010-09-20  Jan Hubicka  <jh@suse.cz>
12733
12734         PR tree-optimize/45605
12735         * cgraph.h (const_value_known_p): Declare.
12736         (varpool_decide_const_value_known): Remove.
12737         * tree-ssa-ccp.c (get_base_constructor): Use it.
12738         * lto-cgraph.c (compute_ltrans_boundary): Likewise.
12739         * expr.c (string_constant): Likewise.
12740         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
12741         * ipa.c (ipa_discover_readonly_nonaddressable_var,
12742         function_and_variable_visibility): Likewise.
12743         * gimplify.c (gimplify_call_expr): Likewise.
12744         * gimple-fold.c (get_symbol_constant_value): Likewise.
12745         * varpool.c (varpool_decide_const_value_known): Replace by...
12746         (const_value_known_p): ... this one; handle other kinds of DECLs
12747         too and work for automatic vars.
12748         (varpool_finalize_decl): Use const_value_known_p.
12749
12750 2010-09-20  Rafael Carre  <rafael.carre@gmail.com>
12751
12752         PR target/45726
12753         * arm.md (arm_movtas_ze): Only enable on machine with MOVT.
12754
12755 2010-09-20  Richard Guenther  <rguenther@suse.de>
12756
12757         PR tree-optimization/45705
12758         * tree-ssa-dom.c (optimize_stmt): Perform redundant store elimination.
12759
12760 2010-09-20  Jakub Jelinek  <jakub@redhat.com>
12761
12762         PR rtl-optimization/45695
12763         * combine.c (try_combine): When splitting a two set pattern,
12764         make sure the pattern which will be put into i2 doesn't use REGs
12765         or MEMs set by insns in between i2 and i3.
12766
12767 2010-09-19  Jan Hubicka  <jh@suse.cz>
12768
12769         PR lto/44246
12770         * lto-cgraph.c (input_cgraph_1, input_varpool_1): Avoid
12771         processing same node twice.
12772
12773 2010-09-19  Anatoly Sokolov  <aesok@post.ru>
12774
12775         * config/bfin/bfin.h (CLASS_LIKELY_SPILLED_P): Remove.
12776         * config/bfin/bfin.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
12777         (bfin_class_likely_spilled_p): New function
12778
12779 2010-09-19  Ira Rosen  <irar@il.ibm.com>
12780
12781         PR tree-optimization/45714
12782         * tree-vect-stmts.c (vect_transform_stmt): Use a dummy statement
12783         created in vectorizable_call instead of the original statement in
12784         def stmt updates.
12785
12786 2010-09-19  Uros Bizjak  <ubizjak@gmail.com>
12787
12788         * config/i386/i386-protos.h (split_double_mode): New prototype.
12789         (split_di, split_ti): Remove prototypes.
12790         * config/i386/i386.c (split_double_mode): New function.
12791         (split_di, split_ti): Remove.
12792         (ix86_expand_branch): Use split_double_mode.
12793         (ix86_split_to_parts): Ditto.
12794         (ix86_split_ashl): Ditto.
12795         (ix86_split_ashr): Ditto.
12796         (ix86_split_lshr): Ditto.
12797         (ix86_force_to_memory): Ditto.
12798         * config/i386/i386.md: Use split_double_mode in double-mode splitters.
12799
12800 2010-09-18  Jan Hubicka  <jh@suse.cz>
12801
12802         PR tree-optimization/45453
12803         * cgraphunit.c (cgraph_finalize_function): Consider comdat & external
12804         virtual functions are reachable.
12805         * ipa-inline.c (cgraph_clone_inlined_nodes): Likewise.
12806         * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
12807         * ipa-prop.c (ipa_modify_formal_parameters): Clear DECL_VIRTUAL_P
12808         when modifying function.
12809
12810 2010-09-18  Jan Hubicka  <jh@suse.cz>
12811
12812         PR tree-optimization/45605
12813         * cgraphunit.c (cgraph_analyze_functions): Allocate bitmap obstack.
12814         * gimple-fold.c (static_object_in_other_unit_p): New function.
12815         (canonicalize_constructor_val): Use it.
12816         (get_symbol_constant_value): Be reaqdy for canonicalize_constructor_val
12817         returning NULL.
12818         (gimple_fold_obj_type_ref_known_binfo): Use
12819         static_object_in_other_unit_p.
12820
12821 2010-09-18  Richard Guenther  <rguenther@suse.de>
12822
12823         PR tree-optimization/45709
12824         * tree-inline.c (copy_phis_for_bb): Delay commit of edge
12825         insertions until after all PHI nodes of the block are processed.
12826
12827 2010-09-18  Tijl Coosemans  <tijl@coosemans.org>
12828
12829         * config/i386/freebsd.h (SUBTARGET32_DEFAULT_CPU): Add.
12830
12831 2010-09-18  Kai Tietz  <kai.tietz@onevision.com>
12832
12833         * config.gcc (*-w64-mingw*): Correct typo about t-dfprules.
12834
12835 2010-09-18  Richard Guenther  <rguenther@suse.de>
12836
12837         PR tree-optimization/45709
12838         * tree-inline.c (copy_phis_for_bb): Fixup new_edge when we splitted it.
12839
12840 2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>
12841
12842         * graphite-dependences.c (dot_deps): Add DEBUG_FUNCTION.
12843         (dot_deps_stmt): Same.
12844         * graphite-poly.c (dot_lst): Same.
12845         * graphite-scop-detection.c (dot_all_scops): Same.
12846         (dot_scop): Same.
12847
12848 2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>
12849
12850         Revert:
12851         2009-12-16  Ben Elliston  <bje@au.ibm.com>
12852
12853         * tree-data-ref.c (dot_rdg_1): Added back.
12854         (dot_rdg): Same.  Added "#if 0" around system call.
12855
12856 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
12857             Richard Henderson  <rth@redhat.com>
12858
12859         * config/i386/i386.c (initial_ix86_tune_features): Add
12860         X86_TUNE_PAD_SHORT_FUNCTION.
12861         (ix86_code_end): Pad with 8 NOPs for TARGET_PAD_SHORT_FUNCTION.
12862         (ix86_count_insn): New.
12863         (ix86_pad_short_function): Likewise.
12864         (ix86_reorg): Support TARGET_PAD_SHORT_FUNCTION.
12865
12866         * config/i386/i386.h (ix86_tune_indices): Add
12867         X86_TUNE_PAD_SHORT_FUNCTION.
12868         (TARGET_PAD_SHORT_FUNCTION): New.
12869
12870         * config/i386/i386.md (UNSPEC_NOPS): New.
12871         (nops): Likewise.
12872
12873 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
12874
12875         PR middle-end/45234
12876         * calls.c (expand_call): Make sure that all variable sized
12877         adjustments are multiple of preferred stack boundary after
12878         stack alignment.
12879
12880 2010-09-17  DJ Delorie  <dj@redhat.com>
12881
12882         * config/rx/rx.c (rx_print_operand): If __builtin_rx_setpsw() is
12883         passed an invalid value, print an error instead of ICEing.
12884         (valid_psw_flag): New.
12885         (rx_expand_builtin): Call it for setpsw/clrpsw.
12886         (rx_expand_builtin_mvtipl): Pass an integer to IN_RANGE, not an RTX.
12887
12888         * config/rx/rx.md (bitclr): Don't mark the output as early-clobber.
12889         (bitclr_in_memory): Likewise.
12890         (clrspw, setpsw, mvfc, mvtc, mvtipl): Make volatile.
12891
12892 2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
12893
12894         PR middle-end/45678
12895         * cfgexpand.c (update_stack_alignment): New.
12896         (get_decl_align_unit): Use it.
12897         (expand_one_stack_var_at): Call update_stack_alignment.
12898
12899 2010-09-17  Richard Guenther  <rguenther@suse.de>
12900
12901         * lto-streamer-in.c (lto_input_ts_translation_unit_decl_tree_pointers):
12902         Properly copy the read string.
12903
12904 2010-09-17  Joseph Myers  <joseph@codesourcery.com>
12905
12906         * doc/options.texi (Variable): Document.
12907         * optc-gen.awk, opth-gen.awk: Handle Variable records.  Don't
12908         generate target_flags declarations explicitly.  Don't define
12909         VarExists variables for the driver.
12910         * common.opt (target_flags): New Variable record.
12911         (flag_dump_unnumbered, flag_dump_unnumbered_links,
12912         flag_var_tracking, flag_var_tracking_assignments,
12913         flag_var_tracking_assignments_toggle): Don't mark variables with
12914         VarExists.
12915         * config/i386/i386.c (ix86_isa_flags): Don't define here.
12916         * config/i386/i386.opt (ix86_isa_flags): Define here.
12917         * config/mcore/mcore.c (mcore_stack_increment): Don't define here.
12918         * config/mcore/mcore.opt (mcore_stack_increment): Don't mark with
12919         VarExists.
12920         * flags.h (flag_dump_unnumbered, flag_var_tracking): Remove.
12921         * print-rtl.c (flag_dump_unnumbered, flag_dump_unnumbered_links):
12922         Only define for generator programs.
12923         * rtlanal.c (target_flags): Remove.
12924         * toplev.c (flag_var_tracking, flag_var_tracking_assignments,
12925         flag_var_tracking_assignments_toggle): Remove.
12926
12927 2010-09-17  Michael Matz  <matz@suse.de>
12928
12929         PR tree-optimization/43432
12930         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
12931         Accept backwards consecutive accesses.
12932         (vect_create_data_ref_ptr): If step is negative generate
12933         decreasing IVs.
12934         * tree-vect-stmts.c (vectorizable_store): Reject negative steps.
12935         (perm_mask_for_reverse, reverse_vec_elements): New functions.
12936         (vectorizable_load): Handle loads with negative steps when easily
12937         possible.
12938
12939 2010-09-03  Jan Hubicka  <jh@suse.cz>
12940
12941         * lto-cgraph.c (compute_ltrans_boundary): Use const_value_known.
12942
12943 2010-09-03  Naveen H.S  <naveen.S@kpitcummins.com>
12944
12945         * config/v850/v850.c (v850_function_value_regno_p): Make static.
12946         Adjust comments. Declare.
12947         (TARGET_FUNCTION_VALUE_REGNO_P): Define.
12948         * config/v850/v850.h (FUNCTION_VALUE_REGNO_P): Delete.
12949
12950 2010-09-17  Richard Guenther  <rguenther@suse.de>
12951
12952         * common.opt (combine): Remove.
12953         * gcc.c (default_compilers): Remove specs testing combine.
12954         The C compilers no longer can combine.
12955         (option_map): Remove -combine.
12956         (display_help): Remove -combine.
12957         (driver_handle_option): Remove OPT_combine handling.
12958         (compile_input_file_p): Remove.
12959         (do_spec): Remove code concerning combine.
12960         (main): Likewise.
12961         * doc/invoke.texi: Remove traces of -combine.
12962         * lto-wrapper.c (run_gcc): Do not pass -combine to the compiler driver.
12963
12964 2010-09-17  Richard Guenther  <rguenther@suse.de>
12965
12966         PR middle-end/45678
12967         * builtins.c (fold_builtin_memory_op): Always properly adjust
12968         alignment of memory accesses.
12969
12970 2010-09-16  Jan Hubicka  <jh@suse.cz>
12971
12972         * lto-cgraph.c (input_overwrite_node): Do not set DECL_EXTERNAL when
12973         processing clone.
12974
12975 2010-09-16  H.J. Lu  <hongjiu.lu@intel.com>
12976
12977         * config/i386/i386-protos.h (ix86_split_idivmod): New prototype.
12978
12979         * config/i386/i386.c (predict_jump): Add prototype.
12980         (flag_opts): Add -m8bit-idiv.
12981         (ix86_split_idivmod): New.
12982
12983         * config/i386/i386.md (UNSPEC_DIV_ALREADY_SPLIT): New.
12984         Add 2 splitters for SI/DI mode divide.
12985         (divmod<mode>4_1): New pattern.
12986         (udivmod<mode>4_1): Likewise.
12987         (testdi_ccno_1): Likewise.
12988
12989         * config/i386/i386.opt (m8bit-idiv): New.
12990
12991         * doc/invoke.texi: Document -m8bit-idiv.
12992
12993 2010-09-16  Reza Yazdani  <reza.yazdani@amd.com>
12994
12995         PR bootstrap/45680
12996         * config/i386/i386.c (min_insn_size): Moved out of the
12997         ASM_OUTPUT_MAX_SKIP_PAD ifdef.
12998
12999 2010-09-16  Jan Hubicka  <jh@suse.cz>
13000
13001         * lto-cgraph.c (lto_output_node): Fix handling of clones.
13002         * ipa.c (cgraph_remove_unreachabloe_nodes): Fix handling of
13003         unreachable clones with reachable clones.
13004         * tree-inline.c (copy_bb): Fix sanity checking when producing
13005         unreachable clone.
13006
13007 2010-09-16  Anatoly Sokolov  <aesok@post.ru>
13008
13009         * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Remove.
13010         (TARGET_MEMORY_MOVE_COST): Define.
13011         (m32r_function_arg): Annotate argument 'type' with ATTRIBUTE_UNUSED.
13012
13013 2010-09-16  Alexander Monakov  <amonakov@ispras.ru>
13014
13015         * sel-sched.c (move_cond_jump): Use tidy_control_flow instead of
13016         maybe_tidy_empty_bb.
13017
13018         Revert:
13019         2010-09-06  Alexander Monakov  <amonakov@ispras.ru>
13020         * sel-sched-ir.c (maybe_tidy_empty_bb): Export.
13021
13022 2010-09-16  Joseph Myers  <joseph@codesourcery.com>
13023
13024         * target.def (target_option.optimization): New hook.
13025         * doc/tm.texi.in (OPTIMIZATION_OPTIONS): Change to
13026         TARGET_OPTION_OPTIMIZATION hook.
13027         * doc/tm.texi: Regenerate.
13028         * hooks.c (hook_void_int_int): New.
13029         * hooks.h (hook_void_int_int): Declare.
13030         * opts.c: Don't include tm_p.h.
13031         (decode_options): Use targetm.target_option.optimization instead
13032         of OPTIMIZATION_OPTIONS.
13033         * system.h (OPTIMIZATION_OPTIONS): Poison.
13034         * config/arm/arm-protos.h (arm_optimization_options): Remove.
13035         * config/arm/arm.c (TARGET_OPTION_OPTIMIZATION): Define.
13036         (arm_optimization_options): Rename to arm_option_optimization.
13037         Make static.
13038         * config/arm/arm.h (OPTIMIZATION_OPTIONS): Remove.
13039         * config/cris/cris.c (TARGET_OPTION_OPTIMIZATION): Define.
13040         (cris_option_optimization): New.
13041         * config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove.
13042         * config/crx/crx.c (TARGET_OPTION_OPTIMIZATION): Define.
13043         (crx_option_optimization): New.
13044         * config/crx/crx.h (OPTIMIZATION_OPTIONS): Remove.
13045         * config/frv/frv-protos.h (frv_optimization_options): Remove.
13046         * config/frv/frv.c (TARGET_OPTION_OPTIMIZATION): Define.
13047         (frv_optimization_options): Rename to frv_option_optimization.
13048         Make static.
13049         * config/frv/frv.h (OPTIMIZATION_OPTIONS): Remove.
13050         * config/h8300/h8300.c (h8300_option_optimization): New.
13051         (TARGET_OPTION_OPTIMIZATION): Define.
13052         * config/h8300/h8300.h (OPTIMIZATION_OPTIONS): Remove.
13053         * config/i386/i386-protos.h (optimization_options): Remove.
13054         * config/i386/i386.c (optimization_options): Rename to
13055         ix86_option_optimization.  Make static.
13056         (TARGET_OPTION_OPTIMIZATION): Define.
13057         * config/i386/i386.h (OPTIMIZATION_OPTIONS): Remove.
13058         * config/ia64/ia64-protos.h (ia64_optimization_options): Remove.
13059         * config/ia64/ia64.c (TARGET_OPTION_OPTIMIZATION): Define.
13060         (ia64_optimization_options): Rename to ia64_option_optimization.
13061         Make static.  Call SUBTARGET_OPTIMIZATION_OPTIONS.
13062         * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): Remove.  Remove
13063         commented-out definition.
13064         * config/ia64/vms.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define
13065         instead of OPTIMIZATION_OPTIONS.
13066         * config/m32r/m32r.c (TARGET_OPTION_OPTIMIZATION): Define.
13067         (m32r_option_optimization): New.
13068         * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove.
13069         * config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options):
13070         Remove.
13071         * config/mcore/mcore.c (TARGET_OPTION_OPTIMIZATION): Define.
13072         (mcore_option_optimization): New.
13073         * config/mcore/mcore.h (OPTIMIZATION_OPTIONS): Remove.
13074         * config/mep/mep-protos.h (mep_optimization_options): Remove.
13075         * config/mep/mep.c (TARGET_OPTION_OPTIMIZATION): Define.
13076         (mep_optimization_options): Rename to mep_option_optimization.
13077         Make static.  Take unused level and size parameters.
13078         * config/mep/mep.h (OPTIMIZATION_OPTIONS): Remove.
13079         * config/mmix/mmix.c (TARGET_OPTION_OPTIMIZATION): Define.
13080         (mmix_option_optimization): New.
13081         * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove.
13082         * config/pdp11/pdp11.c (TARGET_OPTION_OPTIMIZATION): Define.
13083         (pdp11_option_optimization): New.
13084         * config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Remove.
13085         * config/rs6000/rs6000-protos.h (optimization_options): Remove.
13086         * config/rs6000/rs6000.c (TARGET_OPTION_OPTIMIZATION): Define.
13087         (optimization_options): Rename to rs6000_option_optimization.
13088         Make static.
13089         * config/rs6000/rs6000.h (OPTIMIZATION_OPTIONS): Remove.
13090         * config/rx/rx-protos.h (rx_set_optimization_options): Remove.
13091         * config/rx/rx.c (rx_set_optimization_options): Rename to
13092         rx_option_optimization.  Make static.  Take unused level and size
13093         parameters.
13094         (TARGET_OPTION_OPTIMIZATION): Define.
13095         * config/rx/rx.h (OPTIMIZATION_OPTIONS): Remove.
13096         * config/s390/s390-protos.h (optimization_options): Remove.
13097         * config/s390/s390.c (optimization_options): Rename to
13098         s390_option_optimization.  Make static.  Don't mark size parameter
13099         unused.
13100         (TARGET_OPTION_OPTIMIZATION): Define.
13101         * config/s390/s390.h (OPTIMIZATION_OPTIONS): Remove.
13102         * config/sh/sh-protos.h (sh_optimization_options): Remove.
13103         * config/sh/sh.c (TARGET_OPTION_OPTIMIZATION): Define.
13104         (sh_optimization_options): Rename to sh_option_optimization.  Make
13105         static.  Don't mark parameters unused.
13106         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Remove.
13107         * config/spu/spu-protos.h (spu_optimization_options): Remove.
13108         * config/spu/spu.c (TARGET_OPTION_OPTIMIZATION): Define.
13109         (spu_optimization_options): Rename to spu_option_optimization.
13110         Make static.
13111         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Remove.
13112         * config/v850/v850.c (TARGET_OPTION_OPTIMIZATION): Define.
13113         (v850_option_optimization): New.
13114         * config/v850/v850.h (OPTIMIZATION_OPTIONS): Remove.
13115         * config/xtensa/xtensa.c (TARGET_OPTION_OPTIMIZATION): Define.
13116         (xtensa_option_optimization): New.
13117         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Remove.
13118
13119 2010-09-16  Joseph Myers  <joseph@codesourcery.com>
13120
13121         * doc/tm.texi.in (OVERRIDE_OPTIONS): Remove documentation.
13122         (C_COMMON_OVERRIDE_OPTIONS): Don't refer to OVERRIDE_OPTIONS.
13123         * doc/tm.texi: Regenerate.
13124         * system.h (OVERRIDE_OPTIONS): Poison.
13125         * target.def (override): Default to hook_void_void.
13126         * targhooks.c (default_target_option_override): Remove.
13127         * genmodes.c, machmode.def: Update comments mentioning
13128         OVERRIDE_OPTIONS.
13129         * config/alpha/alpha-modes.def: Update comment mentioning
13130         alpha_override_options.
13131         * config/alpha/alpha-protos.h (override_options): Remove.
13132         * config/alpha/alpha.c (override_options): Rename to
13133         alpha_option_override.  Call SUBTARGET_OVERRIDE_OPTIONS.  Make static.
13134         (TARGET_OPTION_OVERRIDE): Define.
13135         * config/alpha/alpha.h (OVERRIDE_OPTIONS): Remove.
13136         * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead
13137         of OVERRIDE_OPTIONS.
13138         * config/arc/arc-protos.h (arc_init): Remove.
13139         * config/arc/arc.c (TARGET_OPTION_OVERRIDE): Define.
13140         (arc_init): Rename to arc_option_override.  Make static.
13141         * config/arc/arc.h (ARC_EXTENSION_CPU): Correct comment.
13142         (OVERRIDE_OPTIONS): Remove.
13143         * config/arm/arm-protos.h (arm_override_options): Remove.
13144         * config/arm/arm.c (TARGET_OPTION_OVERRIDE): Define.
13145         (arm_override_options): Rename to arm_option_override.  Make
13146         static.  Call SUBTARGET_OVERRIDE_OPTIONS.
13147         * config/arm/arm.h (OVERRIDE_OPTIONS): Remove.
13148         * config/arm/arm.md: Update comment referring to arm_override_options.
13149         * config/arm/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
13150         instead of OVERRIDE_OPTIONS.
13151         * config/avr/avr-protos.h (avr_override_options): Remove.
13152         * config/avr/avr.c (TARGET_OPTION_OVERRIDE): Define.
13153         (avr_override_options): Rename to avr_option_override.  Make static.
13154         * config/avr/avr.h (OVERRIDE_OPTIONS): Remove.
13155         * config/bfin/bfin-protos.h (override_options): Remove (twice).
13156         * config/bfin/bfin.c (override_options): Rename to
13157         bfin_option_override.  Make static.
13158         (TARGET_OPTION_OVERRIDE): Define.
13159         * config/bfin/bfin.h (OVERRIDE_OPTIONS): Remove.
13160         * config/cris/cris-protos.h (cris_override_options): Remove.
13161         * config/cris/cris.c (TARGET_OPTION_OVERRIDE): Define.
13162         (cris_override_options): Rename to cris_option_override.  Make static.
13163         * config/cris/cris.h (OVERRIDE_OPTIONS): Remove.
13164         * config/frv/frv-protos.h (frv_override_options): Remove.
13165         * config/frv/frv.c (TARGET_OPTION_OVERRIDE): Define.
13166         (frv_override_options): Rename to frv_option_override.  Make static.
13167         * config/frv/frv.h (OVERRIDE_OPTIONS): Remove.
13168         * config/h8300/h8300-protos.h (h8300_init_once): Remove.
13169         * config/h8300/h8300.c (h8300_init_once): Rename to
13170         h8300_option_override.  Make static.
13171         (TARGET_OPTION_OVERRIDE): Define.
13172         * config/h8300/h8300.h (OVERRIDE_OPTIONS): Remove.
13173         * config/i386/i386-protos.h (override_options): Remove.
13174         * config/i386/i386.c (override_options): Rename to
13175         ix86_option_override_internal.  Make static.  Comments referring
13176         to this function and callers changed.
13177         (ix86_option_override): New.
13178         (TARGET_OPTION_OVERRIDE): Define.
13179         * config/i386/i386.h (OVERRIDE_OPTION): Remove.
13180         * config/i386/linux64.h (DEFAULT_PCC_STRUCT_RETURN): Update comment.
13181         * config/ia64/ia64.c (ia64_file_start): Update comment referring
13182         to ia64_override_options.
13183         * config/iq2000/iq2000-protos.h (override_options): Remove.
13184         * config/iq2000/iq2000.c (TARGET_OPTION_OVERRIDE): Define.
13185         (override_options): Rename to iq2000_option_override.  Make static.
13186         * config/iq2000/iq2000.h (OVERRIDE_OPTIONS): Remove.
13187         * config/lm32/lm32-protos.h (lm32_override_options): Remove.
13188         * config/lm32/lm32.c (TARGET_OPTION_OVERRIDE): Define.
13189         (lm32_override_options): Rename to lm32_option_override.  Make static.
13190         * config/lm32/lm32.h (OVERRIDE_OPTIONS): Remove.
13191         * config/m32r/m32r.c (TARGET_OPTION_OVERRIDE): Define.
13192         (m32r_option_override): New.
13193         (m32r_init): Update comment.
13194         * config/m32r/m32r.h (OVERRIDE_OPTIONS): Remove.
13195         * config/m68hc11/m68hc11-protos.h (m68hc11_override_options): Remove.
13196         * config/m68hc11/m68hc11.c (TARGET_OPTION_OVERRIDE): Define.
13197         (m68hc11_override_options): Rename to m68hc11_option_override.
13198         Make static.  Return void.
13199         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove.
13200         * config/m68k/m68k-protos.h (override_options): Remove.
13201         * config/m68k/m68k.c (TARGET_OPTION_OVERRIDE): Define.
13202         (override_options): Rename to m68k_option_override.  Make static.
13203         * config/m68k/m68k.h (OVERRIDE_OPTIONS): Remove.
13204         * config/mcore/mcore-protos.h (mcore_override_options): Remove.
13205         * config/mcore/mcore.c (TARGET_OPTION_OVERRIDE): Define.
13206         (mcore_override_options): Rename to mcore_option_override.  Make
13207         static.
13208         * config/mcore/mcore.h (OVERRIDE_OPTIONS): Remove.
13209         * config/mep/mep-protos.h (mep_override_options): Remove.
13210         * config/mep/mep.c (TARGET_OPTION_OVERRIDE): Define.
13211         (mep_override_options): Rename to mep_option_override.  Make static.
13212         * config/mep/mep.h (OVERRIDE_OPTIONS): Remove.
13213         * config/mmix/mmix-protos.h (mmix_override_options): Remove.
13214         * config/mmix/mmix.c (TARGET_OPTION_OVERRIDE): Define.
13215         (mmix_override_options): Rename to mmix_option_override.  Make static.
13216         * config/mmix/mmix.h (OVERRIDE_OPTIONS): Remove.
13217         * config/mn10300/mn10300-protos.h (mn10300_override_options): Remove.
13218         * config/mn10300/mn10300.c (TARGET_OPTION_OVERRIDE): Define.
13219         (mn10300_override_options): Rename to mn10300_option_override.
13220         Make static.
13221         * config/mn10300/mn10300.h (OVERRIDE_OPTIONS): Remove.
13222         * config/moxie/moxie-protos.h (moxie_override_options): Remove.
13223         * config/moxie/moxie.c (moxie_override_options): Rename to
13224         moxie_option_override.  Make static.
13225         (TARGET_OPTION_OVERRIDE): Define.
13226         * config/moxie/moxie.h (OVERRIDE_OPTIONS): Remove.
13227         * config/picochip/picochip-protos.h (picochip_override_options):
13228         Remove.  Update comment referring to picochip_override_options.
13229         * config/picochip/picochip.c (TARGET_OPTION_OVERRIDE): Define.
13230         (picochip_override_options): Rename to picochip_option_override.
13231         Make static.  Update comment and definition of
13232         TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE.
13233         * config/picochip/picochip.h (OVERRIDE_OPTIONS): Remove.
13234         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
13235         * config/rs6000/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
13236         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
13237         * config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
13238         * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
13239         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Define
13240         instead of OVERRIDE_OPTIONS.
13241         * config/rs6000/rs6000-modes.def: Update comment referring to
13242         rs6000_override_options.
13243         * config/rs6000/rs6000-protos.h (rs6000_override_options): Remove.
13244         * config/rs6000/rs6000.c (TARGET_OPTION_OVERRIDE): Define.
13245         (rs6000_override_options): Rename to
13246         rs6000_option_override_internal.  Make static.  Commented
13247         referring to rs6000_override_options and OVERRIDE_OPTIONS updated.
13248         (rs6000_option_override): New.
13249         * config/rs6000/rs6000.h (OPTION_TARGET_CPU_DEFAULT): Define
13250         instead of OVERRIDE_OPTIONS.
13251         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
13252         * config/s390/s390-protos.h (override_options): Remove.
13253         * config/s390/s390.c (override_options): Rename to
13254         s390_option_override.  Make static.
13255         (TARGET_OPTION_OVERRIDE): Define.
13256         * config/s390/s390.h (OVERRIDE_OPTIONS): Remove.
13257         * config/score/score-protos.h (score_override_options): Remove.
13258         * config/score/score.c (TARGET_OPTION_OVERRIDE): Define.
13259         (score_override_options): Rename to score_option_override.  Make
13260         static.
13261         * config/score/score.h (OVERRIDE_OPTIONS): Remove.
13262         Update comment referring to override_options.
13263         * config/score/score3.c (score3_override_options): Rename to
13264         score3_option_override.
13265         * config/score/score3.h (score3_override_options): Rename to
13266         score3_option_override.
13267         * config/score/score7.c (score7_override_options): Rename to
13268         score7_option_override.
13269         * config/score/score7.h (score7_override_options): Rename to
13270         score7_option_override.
13271         * config/sh/sh.c: Update comments referring to OVERRIDE_OPTIONS.
13272         * config/sparc/sparc.c (TARGET_OPTION_OVERRIDE): Define.
13273         (sparc_override_options): Rename to sparc_option_override.  Make
13274         static.  Call SUBTARGET_OVERRIDE_OPTIONS.
13275         * config/sparc/sparc.h (OVERRIDE_OPTIONS): Remove.
13276         * config/sparc/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
13277         instead of OVERRIDE_OPTIONS.
13278         * config/spu/spu-protos.h (spu_override_options): Remove.
13279         * config/spu/spu.c (TARGET_OPTION_OVERRIDE): Define.
13280         (spu_override_options): Rename to spu_option_override.  Make
13281         static.
13282         * config/spu/spu.h (OVERRIDE_OPTIONS): Remove.
13283         * config/vax/elf.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead of
13284         OVERRIDE_OPTIONS.
13285         * config/vax/vax-protos.h (override_options): Remove.
13286         * config/vax/vax.c (TARGET_OPTION_OVERRIDE): Define.
13287         (override_options): Rename to vax_option_override.  Make static.
13288         Call SUBTARGET_OVERRIDE_OPTIONS.
13289         * config/vax/vax.h (OVERRIDE_OPTIONS): Remove.
13290         * config/vxworks.c: Update comment referring to OVERRIDE_OPTIONS.
13291         * config/vxworks.h: Update comment referring to OVERRIDE_OPTIONS.
13292         * config/xtensa/xtensa-protos.h (override_options): Remove.
13293         * config/xtensa/xtensa.c (TARGET_OPTION_OVERRIDE): Define.
13294         (override_options): Rename to xtensa_option_override.  Make static.
13295         * config/xtensa/xtensa.h (OVERRIDE_OPTIONS): Remove.
13296
13297 2010-09-16  Richard Guenther  <rguenther@suse.de>
13298
13299         PR tree-optimization/45623
13300         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Adjust.
13301         (get_constraint_for_component_ref): If computing a constraint
13302         for the rhs handle type punning through unions.
13303         (get_constraint_for_address_of): Adjust.
13304         (get_constraint_for_1): Likewise.
13305         (get_constraint_for): Likewise.
13306         (get_constraint_for_rhs): New function.
13307         (do_structure_copy): Adjust.
13308         (make_constraint_to): Likewise.
13309         (handle_const_call): Likewise.
13310         (find_func_aliases): Likewise.
13311         (process_ipa_clobber): Likewise.
13312         (create_variable_info_for): Likewise.
13313
13314 2010-09-16  Ira Rosen  <irar@il.ibm.com>
13315
13316         * tree-vectorizer.c: Fix documentation.
13317         * tree-vectorizer.h (vinfo_for_stmt): Add documentation.
13318         (set_vinfo_for_stmt, get_earlier_stmt, get_later_stmt,
13319         is_pattern_stmt_p, is_loop_header_bb_p,
13320         stmt_vinfo_set_inside_of_loop_cost,
13321         stmt_vinfo_set_outside_of_loop_cost, vect_pow2, aligned_access_p,
13322         known_alignment_for_access_p): Likewise.
13323         * tree-vect-loop.c: Fix documentation.
13324         (vect_get_cost): Start function name from new line.
13325         * tree-vect-data-refs.c: Fix documentation.
13326         * tree-vect_stmts.c: Likewise.
13327         (vect_create_vectorized_promotion_stmts): Always free vec_tmp.
13328         (vectorizable_store): Free vec_oprnds if allocated.
13329         (vectorizable_condition): Initialize several variables to avoid
13330         warnings.
13331         * tree-vect-slp.c: Fix documentation.
13332
13333 2010-09-16  Richard Guenther  <rguenther@suse.de>
13334
13335         * tree.c (tree_node_structure_for_code): TRANSLATION_UNIT_DECL
13336         is TS_TRANSLATION_UNIT_DECL.
13337         (initialize_tree_contains_struct): Adjust.
13338         (all_translation_units): New global vector.
13339         (build_translation_unit_decl): New function.
13340         * tree.h (TRANSLATION_UNIT_LANGUAGE): New macro.
13341         (struct tree_translation_unit_decl): New.
13342         (all_translation_units): Declare.
13343         (union tree_node): Add translation_unit_decl member.
13344         (build_translation_unit_decl): Declare.
13345         * treestruct.def (TS_TRANSLATION_UNIT_DECL): New.
13346         * lto-streamer-out.c (pack_ts_translation_unit_decl_value_fields):
13347         New function.
13348         (pack_value_fields): Call it.
13349         (lto_output_tree_ref): Handle references to TRANSLATION_UNIT_DECL.
13350         (lto_output_ts_translation_unit_decl_tree_pointers): New function.
13351         (lto_output_tree_pointers): Call it.
13352         * lto-streamer-in.c (lto_input_tree_ref): Handle references
13353         to TRANSLATION_UNIT_DECL.
13354         (unpack_ts_translation_unit_decl_value_fields): New function.
13355         (unpack_value_fields): Call it.
13356         (lto_input_ts_translation_unit_decl_tree_pointers): New function.
13357         (lto_input_tree_pointers): Call it.
13358         * lto-streamer.c (check_handled_ts_structures): Adjust.
13359         * lto-streamer.h (enum LTO_tags): Add LTO_translation_unit_decl_ref.
13360         * c-decl.c (all_translation_units): Remove.
13361         (pop_scope): Use build_translation_unit_decl.
13362         (collect_all_refs): Adjust.
13363         (for_each_global_decl): Likewise.
13364         (c_write_global_declarations): Likewise.
13365
13366 2010-09-16  Jakub Jelinek  <jakub@redhat.com>
13367
13368         PR bootstrap/45686
13369         * fold-const.c (fold_checksum_tree): Change slot from const void **
13370         to void **, use CONST_CAST_TREE to store into *slot.
13371
13372 2010-09-16  Uros Bizjak  <ubizjak@gmail.com>
13373
13374         * config/i386/i386.md: Remove unneeded empty conditions and
13375         preparation statements from expanders.
13376         * config/i386/mmx.md: Ditto.
13377         * config/i386/sse.md: Ditto.
13378
13379 2010-09-16  Uros Bizjak  <ubizjak@gmail.com>
13380
13381         * config/i386/i386.h (PUSH_ROUNDING): Redefine using UNITS_PER_WORD.
13382
13383 2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>
13384
13385         PR rtl-optimization/45593
13386         * reorg.c (relax_delay_slots): Use emit_copy_of_insn_after to re-emit
13387         insns that were in delay slots as stand-alone insns.
13388
13389 2010-09-15  Ian Lance Taylor  <iant@google.com>
13390
13391         * incpath.c (remove_duplicates): If name is not a directory, issue
13392         a warning rather than an error.
13393
13394 2010-09-15  Martin Jambor  <mjambor@suse.cz>
13395
13396         PR middle-end/45644
13397         * tree-sra.c (create_access): Check for bit-fields directly.
13398
13399 2010-09-15  Jakub Jelinek  <jakub@redhat.com>
13400
13401         PR tree-optimization/45633
13402         * tree-cfg.c (verify_gimple_assign_binary): Allow
13403         MINUS_EXPR with lhs and rhs1 pointer vector and
13404         rhs2 sizetype vector.
13405         * expr.c (expand_expr_real_2) <case PLUS_EXPR>: For pointer
13406         or vector pointer use TER to optimize pointer subtraction.
13407
13408 2010-09-15  Jie Zhang  <jie@codesourcery.com>
13409
13410         * config/arm/vfp.md (cmpsf_trap_vfp): Change type from
13411         fcmpd to fcmps.
13412
13413 2010-09-15  Ian Lance Taylor  <iant@google.com>
13414
13415         * config/i386/i386.md (truncxf<mode>2): Fix indentation.
13416
13417 2010-09-15  Ian Lance Taylor  <iant@google.com>
13418
13419         * function.c (get_arg_pointer_save_area): Set
13420         arg_pointer_save_area_init to true.
13421
13422 2010-09-15  Martin Jambor  <mjambor@suse.cz>
13423
13424         * tree-sra.c (generate_subtree_copies): Updated comment.
13425         (handle_unscalarized_data_in_subtree): Removed parameter lhs which is
13426         obtained from the statement iterator instead.
13427         (load_assign_lhs_subreplacements): Removed parameters lhs and
13428         right_offset, which is obtained from top_racc instead.  Parameter lacc
13429         is now expected to be the root of the processed tree rather than root's
13430         first child.  Updated all callers.
13431
13432 2010-09-15  Joseph Myers  <joseph@codesourcery.com>
13433
13434         * config/pdp11/pdp11.c (register_move_cost): Rename to
13435         pdp11_register_move_cost.
13436         * config/pdp11/pdp11-protos.h (register_move_cost): Rename to
13437         pdp11_register_move_cost.
13438         * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Call
13439         pdp11_register_move_cost instead of register_move_cost.
13440
13441 2010-09-15  Tejas Belagod  <tejas.belagod@arm.com>
13442
13443         * config/arm/neon.md (vec_pack_trunc_<mode>): Instruction
13444         pattern for vmovn. Expansion in case of non
13445         -mvectorize-with-neon-quad.
13446         (neon_vec_pack_trunc_<mode>): Instruction pattern for vmovn for
13447         non- -mvectorize-with-neon-quad case.
13448         (move_lo_quad_<mode>): New expansion to vmov into low part.
13449         (move_hi_quad_<mode>): New expansion to vmov into high part.
13450         (move_lo_quad_v4si): Refactor to move_lo_quad_<mode> expansion.
13451         (move_lo_quad_v4sf): Likewise.
13452         (move_lo_quad_v8hi): Likewise.
13453         (neon_move_lo_quad_<mode>): Instruction pattern for vmov into
13454         low part.
13455         (neon_move_hi_quad_<mode>): Instruction pattern for vmov into
13456         high part.
13457         * config/arm/iterators.md (ANY128): New mode iterator.
13458         (V_narrow_pack): New mode attribute.
13459         (V_HALF): Add attribute.
13460         (V_DOUBLE): Add attribute.
13461         (V_mode_nunits): Add attribute.
13462
13463 2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>
13464
13465         * config/alpha/alpha.c (alpha_expand_prologue): If stack checking
13466         is enabled, probe up to frame_size + STACK_CHECK_PROTECT bytes.
13467
13468 2010-09-15  Olivier Hainque  <hainque@adacore.com>
13469             Jose Ruiz  <ruiz@adacore.com>
13470
13471         * config/alpha/osf5.h (MD_UNWIND_SUPPORT): Define.
13472         * config/alpha/osf5-unwind.h: New file.
13473
13474 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
13475
13476         PR bootstrap/45672
13477         * config/mips/mips.c (mips_units_per_simd_word): Correct return type.
13478         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
13479         * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.
13480
13481 2010-09-15  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
13482
13483         * c-lang.h (struct lang_type): Add variable_size GTY option.
13484
13485 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
13486
13487         PR bootstrap/45672
13488         * config/rs6000/rs6000.c (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.
13489
13490 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
13491
13492         * config/i386/i386.c (ix86_lea_for_add_ok): Return false if
13493         result isn't used in memory address.
13494
13495 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
13496
13497         * defaults.h (UNITS_PER_SIMD_WORD): Removed.
13498         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Likewise.
13499         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
13500         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
13501         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
13502         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
13503
13504         * target.def: Add units_per_simd_word to vectorize.
13505
13506         * targhooks.c (default_units_per_simd_word): New.
13507         * targhooks.h (default_units_per_simd_word): Likewise.
13508         * config/arm/arm.c (arm_units_per_simd_word): Likewise.
13509         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
13510         * config/mips/mips.c (mips_units_per_simd_word): Likewise.
13511         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
13512         * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
13513         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
13514         * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.
13515         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
13516
13517         * tree-vect-loop.c: Replace UNITS_PER_SIMD_WORD with
13518         TARGET_VECTORIZE_UNITS_PER_SIMD_WORD in comments.
13519
13520         * tree-vect-stmts.c: Don't include "tm_p.h".
13521         (get_vectype_for_scalar_type): Replace UNITS_PER_SIMD_WORD
13522         with targetm.vectorize.units_per_simd_word.
13523
13524         * system.h (UNITS_PER_SIMD_WORD): Poisoned.
13525
13526         * config/i386/i386-protos.h (ix86_units_per_simd_word): Removed.
13527
13528         * config/i386/i386.c (ix86_units_per_simd_word): Make it static.
13529         (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.
13530
13531         * doc/tm.texi.in: Remove UNITS_PER_SIMD_WORD.  Add
13532         TARGET_VECTORIZE_UNITS_PER_SIMD_WORD.
13533
13534         * doc/tm.texi: Regenerated.
13535
13536 2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>
13537
13538         * tree-vect-stmts.c: Include "tm_p.h".
13539
13540         * config/i386/i386-protos.h (ix86_units_per_simd_word): Moved
13541         out of RTX_CODE.
13542
13543 2010-09-14  Martin Jambor  <mjambor@suse.cz>
13544
13545         * tree-sra.c (build_ref_for_offset): Loc made a parameter.  Set the
13546         location of generated statement.  Changed all callers.
13547         (build_ref_for_model): New parameter loc which used to set location of
13548         all generated expressions.  Changed all callers.
13549         (generate_subtree_copies): Likewise.
13550         (init_subtree_with_zero): Likewise.
13551         (sra_modify_expr): Set locations of all generated statements and
13552         expressions to the location the original statement.
13553         (handle_unscalarized_data_in_subtree): Likewise.
13554         (load_assign_lhs_subreplacements): Likewise.
13555         (sra_modify_constructor_assign): Likewise.
13556         (sra_modify_assign): Likewise.
13557
13558 2010-09-14  Eric Botcazou  <ebotcazou@adacore.com>
13559
13560         PR target/45277
13561         PR target/45363
13562         PR target/45407
13563         * doc/install.texi (sparc*-*-*): New section.
13564         (sparc-sun-solaris2*): Mention MPC alongside GMP and MPFR.
13565
13566 2010-09-14  Jakub Jelinek  <jakub@redhat.com>
13567
13568         PR middle-end/45567
13569         * builtins.c (expand_builtin_interclass_mathfn, expand_builtin_cexpi,
13570         expand_builtin_powi): Remove subtarget argument, pass NULL_RTX instead.
13571         (expand_builtin): Adjust caller.
13572         (expand_builtin_unop): Only use subtarget if it has the right mode.
13573
13574 2010-09-14  Tristan Gingold  <gingold@adacore.com>
13575
13576         * configure.ac (plugins): Fix typos.
13577         * configure: Regenerate.
13578
13579 2010-09-14  Jakub Jelinek  <jakub@redhat.com>
13580
13581         PR debug/45660
13582         * dwarf2out.c (gen_decl_die): Call gen_type_die for origin before
13583         gen_type_die for function/method return type.
13584
13585 2010-09-14  Ira Rosen  <irar@il.ibm.com>
13586
13587         PR tree-optimization/45470
13588         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
13589         can throw an exception.
13590         * tree-vect-stmts.c (vectorizable_call): Likewise.
13591
13592 2010-09-14  DJ Delorie  <dj@redhat.com>
13593
13594         PR target/44749
13595         * config/mep/mep-protos.h (mep_save_register_info,
13596         mep_reinit_regs, mep_init_regs): Declare.
13597
13598         * config/mep/mep.c: Move all target definitions to the end of the
13599         file to avoid the need for duplicate declarations.
13600         (mep_save_register_info, mep_reinit_regs, mep_init_regs): New.
13601         (mep_reorg_erepeat): Remove unused variables.
13602         (mep_expand_builtin): Likewise.
13603
13604         * config/mep/mep-pragma.c: Don't include rtl.h.
13605         (INVALID_REGNUM): New.
13606         (mep_pragma_coprocessor_which): Call mep-specific rtl-layer bridge
13607         functions.
13608         (mep_pragma_coprocessor_subclass): Rename "class" to "rclass".
13609         Avoid enum/integer math.
13610
13611 2010-09-13  Joseph Myers  <joseph@codesourcery.com>
13612
13613         PR target/44749
13614         * config/mep/t-mep (GTM_H): Add insn-constants.h.
13615         * config/mep/mep.c (mep_conditional_register_usage): Take no
13616         parameters.
13617         * config/mep/mep-protos.h (mep_conditional_register_usage): Update
13618         prototype.
13619         * config/mep/mep-pragma.c (CONDITIONAL_REGISTER_USAGE): Update
13620         call to mep_conditional_register_usage.
13621
13622 2010-09-13  Eric Botcazou  <ebotcazou@adacore.com>
13623
13624         PR debug/43937
13625         * varasm.c (output_constant_def_contents): Set TREE_ASM_WRITTEN on
13626         the DECL as well.
13627
13628 2010-09-13  Jakub Jelinek  <jakub@redhat.com>
13629
13630         PR rtl-optimization/45617
13631         * combine.c (simplify_comparison): Optimize (X >> N) {>,>=,<,<=} C
13632         even if low N bits of X aren't known to be zero.
13633
13634 2010-09-13  H.J. Lu  <hongjiu.lu@intel.com>
13635
13636         * config/i386/i386-protos.h (ix86_units_per_simd_word): New.
13637
13638         * config/i386/i386.c (initial_ix86_tune_features): Add
13639         X86_TUNE_VECTORIZE_DOUBLE.
13640         (ix86_units_per_simd_word): New.
13641
13642         * config/i386/i386.h (ix86_tune_indices): Add
13643         X86_TUNE_VECTORIZE_DOUBLE.
13644         (TARGET_VECTORIZE_DOUBLE): New.
13645         (UNITS_PER_SIMD_WORD): Defined with ix86_units_per_simd_word.
13646
13647 2010-09-13  Pat Haugen  <pthaugen@us.ibm.com>
13648
13649         * tree-ssa-ter.c (temp_expr_table_d): Add call_cnt field.
13650         (new_temp_expr_table): Allocate call_cnt vector.
13651         (free_temp_expr_table): Free it.
13652         (process_replaceable): Add call_cnt parm and set in vector.
13653         (find_replaceable_in_bb): Skip replacement if def/use span a call.
13654         (debug_ter): Dump call_cnt value, remove stderr uses.
13655
13656 2010-09-13  Jan Hubicka  <jh@suse.cz>
13657
13658         * tree.c (build_zero_cst): New.
13659         * tree.h (build_zero_cst): Declare.
13660         * tree-ssa-ccp.c (get_constant_value): Accept general operands.
13661         (get_base_constructor): Break out from ...
13662         (fold_const_aggregate_ref): Here; handle empty constructors.
13663
13664 2010-09-13  Marcus Shawcroft  <marcus.shawcroft@arm.com>
13665
13666         * config/arm/arm.md: (define_attr "conds"): Update comment.
13667         * config/arm/sync.md (arm_sync_compare_and_swapsi): Change
13668         conds attribute to clob.
13669         (arm_sync_compare_and_swapsi): Likewise.
13670         (arm_sync_compare_and_swap<mode>): Likewise.
13671         (arm_sync_lock_test_and_setsi): Likewise.
13672         (arm_sync_lock_test_and_set<mode>): Likewise.
13673         (arm_sync_new_<sync_optab>si): Likewise.
13674         (arm_sync_new_nandsi): Likewise.
13675         (arm_sync_new_<sync_optab><mode>): Likewise.
13676         (arm_sync_new_nand<mode>): Likewise.
13677         (arm_sync_old_<sync_optab>si): Likewise.
13678         (arm_sync_old_nandsi): Likewise.
13679         (arm_sync_old_<sync_optab><mode>): Likewise.
13680         (arm_sync_old_nand<mode>): Likewise.
13681
13682 2010-09-13  Olivier Hainque  <hainque@adacore.com>
13683
13684         * fwprop.c (forward_propagate_and_simplify): Only attach a
13685         REG_EQUAL note to an insn if the destination is a register.
13686         * gcse.c (try_replace_reg): Likewise.
13687
13688 2010-09-13  Richard Guenther  <rguenther@suse.de>
13689
13690         PR tree-optimization/45611
13691         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fix typo.
13692         (copy_ref_info): Likewise.
13693
13694 2010-09-13  Alexandre Oliva  <aoliva@redhat.com>
13695
13696         PR debug/45604
13697         PR debug/45419
13698         PR debug/45408
13699         * tree-pretty-print.c (dump_generic_node): Disregard top-level
13700         types of MEM_REF pointer types to the same type.
13701
13702 2010-09-13  Hans-Peter Nilsson  <hp@axis.com>
13703
13704         PR rtl-optimization/41087
13705         * ifcvt.c (noce_get_condition): Don't allow conditions with
13706         side-effects.
13707
13708 2010-09-12  Anatoly Sokolov  <aesok@post.ru>
13709
13710         * config/frv/frv.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
13711         * config/frv/frv-protos.h (frv_register_move_cost): Remove.
13712         * config/frv/frv.c (frv_register_move_cost): Make static. Change
13713         arguments type to reg_class_t. Add mode argument.
13714         (frv_memory_move_cost): New.
13715         (TARGET_REGISTER_MOVE_COSTS, TARGET_MEMORY_MOVE_COSTS): Define.
13716
13717 2010-09-12  Bernd Schmidt  <bernds@codesourcery.com>
13718
13719         * config/arm/arm.md (arm_ashldi3_1bit, arm_ashrdi3_1bit,
13720         arm_lshrdi3_1bit): Put earlyclobber on the right alternative.
13721
13722 2010-09-10  Jan Hubicka  <jh@suse.cz>
13723
13724         * tree-ssa-ccp.c (fold_const_aggregate_ref): Do not check STATIC flag.
13725
13726 2010-09-10  Richard Guenther  <rguenther@suse.de>
13727
13728         * tree.c (make_vector_type): Do not set TYPE_DEBUG_REPRESENTATION_TYPE.
13729         * tree.h (TYPE_DEBUG_REPRESENTATION_TYPE): Remove.
13730         * lto-streamer-out.c (lto_output_ts_type_tree_pointers): Do
13731         not stream TYPE_DEBUG_REPRESENTATION_TYPE.
13732         * lto-streamer-in.c (lto_input_ts_type_tree_pointers): Likewise.
13733
13734 2010-09-10  Richard Guenther  <rguenther@suse.de>
13735
13736         * dwarf2out.c (gen_array_type_die): Output DW_TAG_subrange_type
13737         for VECTOR_TYPEs using TYPE_VECTOR_SUBPARTS.
13738         * dbxout.c (dbxout_type): Manually deal with VECTOR_TYPE
13739         using TYPE_VECTOR_SUBPARTS, not TYPE_DEBUG_REPRESENTATION_TYPE.
13740
13741 2010-09-10  H.J. Lu  <hongjiu.lu@intel.com>
13742
13743         PR middle-end/45634
13744         * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result
13745         of string folding is of integral type.
13746
13747 2010-09-10  Ryan Mansfield  <rmansfield@qnx.com>
13748
13749         * doc/invoke.texi (-x): Fix typo.
13750
13751 2010-09-10  Richard Guenther  <rguenther@suse.de>
13752
13753         PR debug/44115
13754         * tree.c (free_lang_data_in_decl): Do not clear DECL_DEBUG_EXPR.
13755         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
13756         Output DECL_DEBUG_EXPR.
13757         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
13758         Input DECL_DEBUG_EXPR.
13759
13760 2010-09-10  Richard Guenther  <rguenther@suse.de>
13761
13762         * tree.c (type_hash_eq): For ARRAY_TYPEs also compare TYPE_SIZE.
13763         (build_index_type): Implement in terms of build_range_type.
13764         (build_range_type): Do not allow NULL_TREE type, improve
13765         hashing to cover more cases.  Set TYPE_STRUCTURAL_EQUALITY_P
13766         if we didn't hash.
13767         * c-decl.c (grokdeclarator): When modifying TYPE_SIZE manually
13768         create a distinct copy of the type.
13769
13770 2010-09-10  Kai Tietz  <kai.tietz@onevision.com>
13771
13772         * configure: Regenerated.
13773         * config.gcc: Add for x86_64 and i?86 mingw t-dfprule.
13774
13775 2010-09-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13776
13777         * config/arm/neon-schedgen.ml (allCores): Add support for Cortex-A9.
13778         * config/arm/cortex-a9-neon.md: New and partially generated.
13779         * config/arm/cortex-a9.md (cortex_a9_dp): Adjust for Neon.
13780
13781 2010-09-10  Richard Guenther  <rguenther@suse.de>
13782
13783         * tree.h (build_index_2_type): Remove.
13784         * tree.c (build_index_2_type): Remove.
13785
13786 2010-09-10  Jakub Jelinek  <jakub@redhat.com>
13787
13788         PR bootstrap/45630
13789         * dwarf2out.c (get_ref_die_offset_label): Use %ld instead of
13790         HOST_WIDE_INT_PRINT_DEC to print ref->die_offset.
13791         (implicit_ptr_descriptor): Return NULL if dwarf_strict.
13792
13793 2010-09-10  Martin Jambor  <mjambor@suse.cz>
13794
13795         PR tree-optimization/44972
13796         * tree-sra.c: Include toplev.h.
13797         (build_ref_for_offset): Entirely reimplemented.
13798         (build_ref_for_model): New function.
13799         (build_user_friendly_ref_for_offset): New function.
13800         (analyze_access_subtree): Removed build_ref_for_offset check.
13801         (propagate_subaccesses_across_link): Likewise.
13802         (create_artificial_child_access): Use
13803         build_user_friendly_ref_for_offset.
13804         (propagate_subaccesses_across_link): Likewise.
13805         (ref_expr_for_all_replacements_p): Removed.
13806         (generate_subtree_copies): Updated comment.  Use build_ref_for_model.
13807         (sra_modify_expr): Use build_ref_for_model.
13808         (load_assign_lhs_subreplacements): Likewise.
13809         (sra_modify_assign): Removed ref_expr_for_all_replacements_p checks,
13810         checks for return values of build_ref_for_offset.
13811         * ipa-cp.c (ipcp_lattice_from_jfunc): No need to check return value of
13812         build_ref_for_offset.
13813         * ipa-prop.h: Include gimple.h
13814         * ipa-prop.c (ipa_compute_jump_functions): Update to look for MEM_REFs.
13815         (ipa_analyze_indirect_call_uses): Update comment.
13816         * Makefile.in (tree-sra.o): Add $(GIMPLE_H) to dependencies.
13817         (IPA_PROP_H): Likewise.
13818
13819 2010-09-10  Martin Jambor  <mjambor@suse.cz>
13820
13821         PR tree-optimization/44972
13822         * ipa-prop.c (ipa_modify_call_arguments): Build MEM_REF instead of
13823         calling build_ref_for_offset.
13824
13825 2010-09-09  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13826
13827         * config/arm/bpabi.h (BE8_LINK_SPEC): Handle Cortex-a15.
13828         * config/arm/arm-cores.def (cortex-a15): New core. Treat it as a v7-a.
13829         * config/arm/arm-tune.md: Regenerate.
13830         * doc/invoke.texi (ARM Options): Document it.
13831
13832 2010-09-09  Reza Yazdani  <reza.yazdani@amd.com>
13833
13834         * config/i386/i386.c: Include sched-int.h.
13835         (TARGET_SCHED_DISPATCH): Defined.
13836         (TARGET_SCHED_DISPATCH_DO): Defined.
13837         (DISPATCH_WINDOW_SIZE): Defined.
13838         (MAX_DISPATCH_WINDOWS): Defined.
13839         (MAX_INSN): Defined.
13840         (MAX_IMM): Defined.
13841         (MAX_IMM_SIZE): Defined.
13842         (MAX_IMM_32): Defined.
13843         (MAX_IMM_64): Defined.
13844         (MAX_LOAD): Defined.
13845         (MAX_STORE): Defined.
13846         (BIG): Defined.
13847         (dispatch_group): New.
13848         (num_allowable_groups): New.
13849         (group_name): New.
13850         (sched_insn_info_s): New.
13851         (dispatch_windows_s): New.
13852         (imm_info_s): New.
13853         (dispatch_window_list): New.
13854         (dispatch_window_list1): New.
13855         (get_mem_group): New.
13856         (is_cmp): New.
13857         (dispatch_violation): New.
13858         (is_branch): New.
13859         (is_prefetch): New.
13860         (init_window): New.
13861         (allocate_window): New.
13862         (init_dispatch_sched): New.
13863         (is_end_basic_block): New.
13864         (process_end_window): New.
13865         (allocate_next_window): New.
13866         (find_constant_1): New.
13867         (find_constant): New.
13868         (get_num_immediates): New.
13869         (has_immediate): New.
13870         (get_insn_path): New.
13871         (get_insn_group): New.
13872         (count_num_restricted): New.
13873         (fits_dispatch_window): New.
13874         (add_insn_window): New.
13875         (add_to_dispatch_window): New.
13876         (debug_dispatch_window_file): New.
13877         (debug_dispatch_window): New.
13878         (debug_insn_dispatch_info_file): New.
13879         (debug_ready_dispatch): New.
13880         (do_dispatch): New.
13881         (has_dispatch): New.
13882         * config/i386/i386.h (debug_ready_dispatch): Declared.
13883         (debug_dispatch_window): Declared.
13884         * config/i386/i386.opt (mdispatch-scheduler): New flag.
13885         * doc/tm.texi.in (TARGET_SCHED_DISPATCH): New.
13886         (TARGET_SCHED_DISPATCH_DO): New.
13887         * doc/tm.texi: Regererated.
13888         * haifa-sched.c (choose_ready): Call targetm.sched.dispatch and
13889         ready_remove_first_dispatch
13890         (schedule_block): Call targetm.sched.dispatch and
13891         targetm.sched.dispatch_do.
13892         (sched_init): Call targetm.sched.dispatch and
13893         targetm.sched.dispatch_do.
13894         (ready_remove_first_dispatch): New.
13895         (number_in_ready): New.
13896         (get_ready_element): New.
13897         * hooks.c (hook_bool_rtx_int_false): New.
13898         (hook_void_rtx_int): New.
13899         * hooks.h (hook_bool_rtx_int_false): Declared.
13900         (hook_void_rtx_int): Declared.
13901         * sched-int.h (IS_DISPATCH_ON): Defined.
13902         (IS_CMP): Defined.
13903         (DISPATCH_VIOLATION): Defined.
13904         (FITS_DISPATCH_WINDOW): Defined.
13905         (DISPATCH_INIT): Defined.
13906         (ADD_TO_DISPATCH_WINDOW): Defined.
13907         (get_ready_element): Declared.
13908         (number_in_ready): Declared.
13909         * target.def (dispatch): Defined.
13910         (dispatch_do): Defined.
13911
13912 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
13913
13914         PR middle-end/45312
13915         * reload1.c (merge_assigned_reloads): Remove.
13916         (reload_as_needed): Don't call it.
13917
13918 2010-09-09  Anatoly Sokolov  <aesok@post.ru>
13919
13920         * config/m32r/m32r.c (m32r_mode_dependent_address_p): New functions.
13921         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
13922         * config/m32r/m32r.h: (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
13923
13924 2010-09-09  Matthias Klose  <doko@ubuntu.com>
13925
13926         PR bootstrap/43847
13927         * configure.ac (--enable-plugin): Enhance for cross builds.
13928         * configure: Regenerate.
13929
13930 2010-09-09  Jan Hubicka  <jh@suse.cz>
13931
13932         PR tree-optimization/45598
13933         * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result of
13934         string folding is of integral type.
13935
13936 2010-09-09  Nathan Sidwell  <nathan@codesourcery.com>
13937
13938         * configure.ac (gnu_indirect_function): New test.
13939         * configure: Rebuilt.
13940         * config.in (HAVE_GAS_INDIRECT_FUNCTION): New.
13941         * defaults.h (IFUNC_ASM_TYPE): Provide default.
13942
13943         * doc/extend.texi (Function Attributes): Document ifunc.
13944         * varasm.c (do_assemble_alias): Deal with ifuncs too.
13945
13946 2010-09-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
13947
13948         * config/picochip/picochip.c (picochip_reorg): Check for note_p for
13949         epilogue instruction move.
13950
13951 2010-09-09  Jan Hubicka  <jh@suse.cz>
13952
13953         * collect2.c (maybe_run_lto_and_relink): Rewrite code producing ld
13954         command line to allow more partitions than input files.
13955
13956 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
13957
13958         PR middle-end/44554
13959         * ira.c (ira): Switch off sharing spill slots if setjmp is called.
13960
13961 2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>
13962
13963         PR middle-end/40386
13964         * ira.c (pseudo_for_reload_consideration_p): Don't use
13965         flag_ira_share_spill_slots.
13966
13967 2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13968
13969         * config/s390/s390.c (legitimate_reload_constant_p): Accept floating-
13970         point zero operands that fit into a single GPR.
13971         (s390_preferred_reload_class): Ensure we only return general-purpose
13972         register classes.
13973         * config/s390/s390.md ("*mov<mode>_64dfp"): Use lghi to load
13974         floating-point zero operands into GPRs.
13975         ("*mov<mode>_64"): Likewise.
13976         ("mov<mode>"): Likewise using lhi.
13977
13978 2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
13979
13980         * config/s390/s390.c (s390_symref_operand_p): Return false for
13981         literal pool references.
13982         (s390_check_qrst_address): Update caller.
13983
13984 2010-09-09  Uros Bizjak  <ubizjak@gmail.com>
13985
13986         * config/i386/predicates.md (ext_register_operand): Check that
13987         SUBREG_REG is really a register before looking for REGNO.
13988         (reg_not_xmm0_operand): Handle SUBREGs correctly.
13989         (nonimm_not_xmm0_operand): Call reg_not_xmm0_operand.
13990
13991 2010-09-09  Jakub Jelinek  <jakub@redhat.com>
13992
13993         * rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
13994         * rtl.h (DEBUG_IMPLICIT_PTR_DECL): Define.
13995         * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_IMPLICIT_PTR.
13996         * print-rtl.c (print_rtx): Likewise.
13997         * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
13998         * cfgexpand.c (expand_debug_expr): Generate DEBUG_IMPLICIT_PTR
13999         for ADDR_EXPR with non-addressable object.
14000         * dwarf2out.c (enum dw_val_class): Add dw_val_class_decl_ref.
14001         (struct dw_val_struct): Add v.val_decl_ref.
14002         (dwarf_stack_op_name, output_loc_operands, output_loc_operands_raw):
14003         Handle DW_OP_GNU_implicit_pointer.
14004         (size_of_loc_descr): Likewise.  Fix up DW_OP_call_ref size.
14005         (get_ref_die_offset_label): New function.
14006         (implicit_ptr_descriptor): New function.
14007         (mem_loc_descriptor): Handle DEBUG_IMPLICIT_PTR.
14008         (loc_descriptor): Likewise.
14009         (gen_variable_die): Put even definitions into decl_die_table.
14010         (resolve_addr_in_expr): Resolve still unresolved
14011         DW_OP_GNU_implicit_pointer operands, if it can't be resolved
14012         return false.
14013         (dwarf2out_finish): Call output_location_lists after outputting
14014         .debug_info and .debug_abbrev instead of before.
14015
14016 2010-09-09  Roland McGrath  <roland@redhat.com>
14017
14018         * dwarf2out.c (DWARF_REF_SIZE): Define.
14019         (size_of_loc_descr): Use it for DW_OP_call_ref.
14020
14021 2010-09-09  Alan Modra  <amodra@gmail.com>
14022
14023         * doc/invoke.text: Reinstate mcmodel=medium.
14024         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
14025         CMODEL_MEDIUM as default.
14026         * config/rs6000/rs6000.h (enum rs6000_cmodel): Add CMODEL_MEDIUM.
14027         * config/rs6000/rs6000.c (rs6000_handle_option): Add mcmodel=medium.
14028         (toc_relative_ok, offsettable_ok_by_alignment): New functions.
14029         (rs6000_emit_move): Reinstate mcmodel=medium optimization.
14030
14031 2010-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14032
14033         PR target/45250
14034         * config/pa/pa.md (nonlocal_goto): Restore hard frame pointer using
14035         hard_frame_pointer_rtx instead of virtual_stack_vars_rtx.
14036         (builtin_longjmp): Likewise.
14037         (allocate_stack): Use hard_frame_pointer_rtx instead of
14038         frame_pointer_rtx.
14039         * config/pa/pa-protos.h (pa_initial_elimination_offset): Declare.
14040         * config/pa/pa.c (pa_internal_arg_pointer): Declare.
14041         (pa_can_eliminate): Likewise.
14042         (TARGET_INTERNAL_ARG_POINTER): Define.
14043         (TARGET_CAN_ELIMINATE): Define.
14044         (hppa_expand_prologue): Use hard frame pointer instead of soft frame
14045         pointer.
14046         (hppa_expand_epilogue, pa_eh_return_handler_rtx): Likewise.
14047         (pa_internal_arg_pointer, pa_can_eliminate,
14048         pa_initial_elimination_offset): New.
14049         * config/pa/pa.h (FRAME_POINTER_REGNUM): Set to new general register.
14050         (HARD_FRAME_POINTER_REGNUM): Set to register three.
14051         (INITIAL_FRAME_POINTER_OFFSET): Delete.
14052         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET, DWARF_FRAME_REGISTERS):
14053         Define.
14054         (DWARF_ALT_FRAME_RETURN_COLUMN, REGNO_OK_FOR_INDEX_P,
14055         REGNO_OK_FOR_BASE_P): Update to include soft frame pointer.
14056         * config/pa/pa32-regs.h (FIRST_PSEUDO_REGISTER): Increase by one.
14057         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER,
14058         REG_CLASS_CONTENTS, REGNO_REG_CLASS, REGISTER_NAMES): Update to include
14059         new soft frame pointer.
14060         * config/pa/pa64-regs.h: Likewise.
14061
14062 2010-09-08  Uros Bizjak  <ubizjak@gmail.com>
14063
14064         * config/i386/i386.h (EH_RETURN_DATA_REGNO) Use DX_REG instead of
14065         numerical constant.
14066         (EH_RETURN_STACKADJ_RTX): Use CX_REG insted of numerical constant.
14067
14068 2010-09-08  Alexandre Oliva  <aoliva@redhat.com>
14069
14070         PR debug/45531
14071         * cfglayout.c (fixup_reorder_chain): Skip debug insns.
14072
14073 2010-09-08  Alexandre Oliva  <aoliva@redhat.com>
14074
14075         PR debug/45419
14076         PR debug/45408
14077         * tree-pretty-print.c (dump_generic_node): Disregard top-level
14078         qualifiers in otherwise equal MEM_REF pointer types.
14079         * fold-const.c (operand_equal_p): Compare pointer type of MEM_REFs.
14080         * tree.c (iterative_hash_expr): Hash the pointer type of MEM_REFs.
14081
14082 2010-09-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14083
14084         PR target/44392
14085         * config/arm/arm.md (bswapsi2): Handle condition correctly
14086         for armv6 and optimize_size.
14087
14088 2010-09-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14089
14090         PR other/18555
14091         * doc/cppopts.texi (-isysroot): Document Darwin behaviour.
14092
14093 2010-09-08  Uros Bizjak  <ubizjak@gmail.com>
14094
14095         * config/i386/i386-protos.h (ix86_can_use_return_insn_p,
14096         symbolic_reference_mentioned_p, ix86_expand_movmem, ix86_expand_setmem,
14097         ix86_expand_strlen, legitimate_pic_address_disp_p,
14098         ix86_binary_operator_ok, ix86_unary_operator_ok, ix86_match_ccmode,
14099         ix86_expand_int_movcc, ix86_expand_fp_movcc, ix86_expand_int_addcc,
14100         ix86_check_movabs, ix86_secondary_memory_needed): Change function
14101         prototype to bool.
14102         * config/i386/i386.c (return_in_memory_32, return_in_memory_64,
14103         return_in_memory_ms_64, ix86_check_movabs,
14104         symbolic_reference_mentioned_p, ix86_can_use_return_insn_p,
14105         legitimate_pic_address_disp_p, ix86_binary_operator_ok,
14106         ix86_unary_operator_ok, ix86_match_ccmode, ix86_expand_int_movcc,
14107         ix86_expand_fp_movcc, ix86_expand_int_addcc, ix86_expand_movmem,
14108         ix86_expand_setmem, ix86_expand_strlen, inline_secondary_memory_needed,
14109         ix86_secondary_memory_needed): Change to bool.  Return
14110         "true" and "false" values.
14111         * config/i386/i386.md: Return "true" and "false" values.
14112
14113 2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14114
14115         * doc/sourcebuild.texi (Effective-Target Keywords): Document
14116         run_expensive_tests.
14117
14118 2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
14119
14120         * toplev.c (output_stack_usage): Use lbasename instead of basename.
14121
14122 2010-09-08  Martin Jambor  <mjambor@suse.cz>
14123
14124         PR other/45443
14125         * doc/invoke.texi: Add -fipa-cp-clone to list of switches turned on
14126         at -O3.
14127
14128 2010-09-08  Richard Guenther  <rguenther@suse.de>
14129
14130         * gimple.c (gimple_types, type_hash_cache): Move to GC memory.
14131         (visit): Adjust.
14132         (iterative_hash_gimple_type): Likewise.
14133         (gimple_type_hash): Likewise.
14134         (gimple_register_type): Likewise.
14135         (print_gimple_types_stats): Likewise.
14136         (free_gimple_type_tables): Likewise.
14137
14138 2010-09-08  Michael Matz  <matz@suse.de>
14139
14140         PR tree-optimization/43430
14141         * tree-vect-stmts.c (vectorizable_condition): Support multiple
14142         copies for conditional statements if it's not part of a reduction.
14143
14144 2010-09-08  Michael Matz  <matz@suse.de>
14145
14146         PR tree-optimization/33244
14147         * tree-ssa-sink.c (statement_sink_location): Don't sink into
14148         empty loop latches.
14149
14150 2010-09-08  Richard Guenther  <rguenther@suse.de>
14151
14152         PR tree-optimization/45578
14153         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr):
14154         Be more careful when transfering alignment information to
14155         the new induction variable.
14156         (copy_ref_info): Likewise.
14157
14158 2010-09-08  Richard Guenther  <rguenther@suse.de>
14159
14160         * tree.h (TYPE_ORIG_SIZE_TYPE): Remove.
14161         * c-typeck.c (comptypes_internal): Remove TYPE_ORIG_SIZE_TYPE checks.
14162
14163 2010-09-08  Arnaud Charlet  <charlet@adacore.com>
14164
14165         * c-tree.h, c-decl.c (build_enumerator): Add location parameter.
14166         * c-parser.c (c_parser_enum_specifier): Adjust call to build_enumerator.
14167
14168 2010-09-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
14169
14170         PR doc/45587
14171         * doc/md.texi: Fixed modes on several standard pattern names.
14172
14173 2010-09-08  Mingjie Xing  <mingjie.xing@gmail.com>
14174
14175         * config/mips/loongson.md (loongson_psll<V_suffix>): Rename to...
14176         (ashl<mode>3): ...this.
14177         (loongson_psra<V_suffix>): Rename to...
14178         (ashr<mode>3): ...this.
14179         (loongson_psrl<V_suffix>): Rename to...
14180         (lshr<mode>3): ...this.
14181         * config/mips/mips.c (CODE_FOR_loongson_psllh): Define.
14182         (CODE_FOR_loongson_psllw): Define.
14183         (CODE_FOR_loongson_psrlh): Define.
14184         (CODE_FOR_loongson_psrlw): Define.
14185         (CODE_FOR_loongson_psrah): Define.
14186         (CODE_FOR_loongson_psraw): Define.
14187
14188 2010-09-07  Richard Henderson  <rth@redhat.com>
14189
14190         * tree-vect-data-refs.c: Include tm_p.h.
14191         * Makefile.in (tree-vect-data-refs.o): Update deps.
14192         * config/i386/i386-protos.h (ix86_cfun_abi, ix86_function_type_abi):
14193         Move delarations outside #ifdef RTX_CODE.
14194
14195 2010-09-07  Richard Henderson  <rth@redhat.com>
14196
14197         * final.c (rest_of_handle_final): Unconditionally do
14198         output_function_exception_table before assemble_end_function.
14199
14200 2010-09-07  Jan Hubicka  <jh@suse.cz>
14201
14202         * tree-inline.c (tree_inlinable_function_p): Do not test
14203         DECL_REPLACEABLE_P.
14204         * ipa-inline.c (cgraph_default_inline_p, update_caller_keys,
14205         update_callee_keys, cgraph_decide_inlining): Test function availability.
14206         * cif-code.def (OVERWRITABLE): New code.
14207
14208 2010-09-07  H.J. Lu  <hjl.tools@gmail.com>
14209             Jack Howarth  <howarth@bromo.med.uc.edu>
14210
14211         PR target/36502
14212         PR target/42313
14213         PR target/44651
14214         * config/i386/darwin.h (STACK_BOUNDARY): Redefine as 128 for
14215         profiling or 64-bit MS_ABI and as BITS_PER_WORD otherwise.
14216         (PREFERRED_STACK_BOUNDARY): Replace STACK_BOUNDARY with 128 in
14217         MAX macro.
14218
14219 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
14220
14221         * unwind-dw2-fde-glibc.c: Include <elf.h> for DT_CONFIG.
14222         Include <link.h> only if USE_PT_GNU_EH_FRAME is defined.
14223
14224 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
14225
14226         * config.gcc: Don't append t-android for Android targets.
14227
14228         * config/t-android: Removed.
14229
14230 2010-09-07  Richard Henderson  <rth@redhat.com>
14231
14232         * target.def (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): New hook.
14233         * doc/tm.texi.in: Add doc marker.
14234         * doc/tm.texi: Rebuild.
14235         * except.c (switch_to_exception_section): Always build.
14236         (output_one_function_exception_table): Move section switch,
14237         personality output, and label output ...
14238         (output_function_exception_table): ... here.  Use the new
14239         personality hook.
14240
14241         * config/ia64/ia64.c (ia64_asm_emit_except_personality,
14242         ia64_asm_init_sections, TARGET_ASM_EMIT_EXCEPT_PERSONALITY,
14243         TARGET_ASM_INIT_SECTIONS): New.
14244         (ia64_asm_unwind_emit): Rename from process_for_unwind_directive,
14245         make static.
14246         (TARGET_ASM_UNWIND_EMIT): Update to match.
14247         * config/ia64/ia64-protos.h (process_for_unwind_directive): Remove.
14248
14249         * config/arm/arm.c (arm_asm_emit_except_personality): New.
14250         (arm_asm_init_sections): New.
14251         (TARGET_ASM_EMIT_EXCEPT_PERSONALITY, TARGET_ASM_INIT_SECTIONS): New.
14252
14253 2010-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
14254
14255         * config/arm/arm.md: Remove unused variable.
14256
14257 2010-09-07  Anatoly Sokolov  <aesok@post.ru>
14258
14259         * config/m32r/m32r.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
14260         * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Define.
14261         (m32r_memory_move_cost): New function.
14262
14263 2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>
14264
14265         * config.gcc: Append t-android for Android targets.
14266
14267         * config/t-android: New.
14268
14269 2010-09-07  Richard Henderson  <rth@redhat.com>
14270
14271         * target.def (unwind_emit_before_insn): New hook.
14272         * doc/tm.texi.in: Add @hook marker for it.
14273         * doc/tm.texi: Rebuild.
14274         * final.c (final_scan_insn): Respect unwind_emit_before_insn.
14275
14276 2010-09-07  Martin Jambor  <mjambor@suse.cz>
14277
14278         PR fortran/43665
14279         * ipa-cp.c (ipcp_versionable_function_p): Return false if there
14280         are any type attributes.
14281
14282 2010-09-07  Jan Hubicka  <jh@suse.cz>
14283
14284         * tree-ssa-ccp.c (fold_const_aggregate_ref): Fix handling of
14285         array_ref_low_bound in string access folding.
14286
14287 2010-09-07  Uros Bizjak  <ubizjak@gmail.com>
14288
14289         PR target/45206
14290         * config/i386/i386.c (ix86_expand_epilogue): Mark SP as valid after
14291         eh_return fixup sequence.
14292
14293 2010-09-07  Jan Hubicka  <jh@suse.cz>
14294
14295         * gimple-fold.c (maybe_fold_reference): Verify that operand is
14296         gimple_min_invariant.
14297
14298 2010-09-07  Richard Guenther  <rguenther@suse.de>
14299
14300         PR middle-end/45569
14301         * tree-eh.c (operation_could_trap_helper_p): Neither COMPLEX_EXPR
14302         nor CONSTRUCTOR can trap.
14303         * tree-complex.c (update_complex_assignment): Update EH info.
14304
14305 2010-09-07  Richard Guenther  <rguenther@suse.de>
14306
14307         PR middle-end/45569
14308         * tree-cfg.c (build_gimple_cfg): Remove redundant stmt verification.
14309         * passes.c (execute_function_todo): Do not verify anything if
14310         we saw errors.
14311
14312 2010-09-07  Richard Guenther  <rguenther@suse.de>
14313
14314         * tree-pretty-print.c (dump_generic_node): Dump void types as void.
14315
14316 2010-09-07  Bernd Schmidt  <bernds@codesourcery.com>
14317
14318         PR target/43137
14319         * config/arm/iterators.md (qhs_zextenddi_cond, qhs_sextenddi_cond):
14320         New define_mode_attrs.
14321         * config/arm/arm.md (zero_extendsidi2, arm_zero_extendsidi2,
14322         arm_exxtendsidi2, arm_extendsidi2): Delete patterns.
14323         (zero_extend<mode>di2, extend<mode>di2 and related splits): New.
14324         (thumb1_zero_extendhisi2): Remove code to handle LABEL_REFs.
14325         Remove pool_range attribute.
14326         (arm_zero_extendhisi2, arm_zero_extendhisi2_v6, arm_zero_extendqisi2,
14327         arm_zero_extendqisi2_v6, thumb1_zero_extendqisi2_v6): Remove
14328         pool_range and neg_pool_range attributes.
14329         * config/arm/thumb2.md (thumb2_zero_extendsidi2,
14330         thumb2_zero_extendhidi2, thumb2_zero_extendqidi2, thumb2_extendsidi2,
14331         thumb2_extendhidi2, thumb2_extendqidi2): Delete.
14332
14333 2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>
14334
14335         * config/i386/linux-unwind.h (x86_fallback_frame_state): Properly
14336         check glibc.
14337
14338 2010-09-06  Uros Bizjak  <ubizjak@gmail.com>
14339
14340         PR target/22152
14341         * config/i386/mmx.md (*mov<mode>_internal_rex64,
14342         *mov<mode>_internal_avx, *mov<mode>_internal,
14343         *movv2sf_internal_rex64_avx, *movv2sf_internal_rex64,
14344         *movv2sf_internal_avx, *movv2sf_internal): Split out !y-!y alternative.
14345
14346 2010-09-06  Mark Mitchell  <mark@codesourcery.com>
14347
14348         * c-typeck.c (do_warn_double_promotion): Remove.
14349         * doc/invoke.texi (-Wdouble-promotion): Note available for C++ and
14350         Objective-C++ too.
14351
14352 2010-09-06  Anatoly Sokolov  <aesok@post.ru>
14353
14354         * config/frv/frv.h (CLASS_LIKELY_SPILLED_P): Remove.
14355         * config/frv/frv-protos.h (frv_class_likely_spilled_p): Remove.
14356         * config/frv/frv.c (frv_class_likely_spilled_p): Make static. Change
14357         argument type to reg_class_t. Change result type to bool.
14358         (TARGET_CLASS_LIKELY_SPILLED_P): Define.
14359
14360 2010-09-06  Nicola Pero  <nicola.pero@meta-innovation.com>
14361
14362         PR libobjc/19850
14363         * gthr-posix.h (__gthread_objc_thread_detach): Use
14364         _objc_thread_attribs when detaching a thread.
14365         * gthr-posix95.h (__gthread_objc_thread_detach): Same change.
14366
14367 2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>
14368
14369         PR target/45524
14370         * configure.ac (enable_decimal_float): Set to $default_decimal_float.
14371         * configure: Regenerated.
14372
14373 2010-09-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14374
14375         * combine.c (try_combine): Set subst_low_luid to i0.
14376
14377 2010-09-06  Richard Guenther  <rguenther@suse.de>
14378
14379         * tree.def (MISALIGNED_INDIRECT_REF): Remove.
14380         * tree.h (INDIRECT_REF_P): Only check for INDIRECT_REF.
14381         (build_aligned_type): Declare.
14382         * tree.c (check_qualified_type): Also compare TYPE_ALIGN.
14383         (check_aligned_type): New function.
14384         (build_aligned_type): Likewise.
14385         * expr.c (expand_assignment): Handle misaligned stores via
14386         TARGET_MEM_REF and MEM_REF using movmisalign_optab.
14387         (expand_expr_real_1): Likewise.
14388         (safe_from_p): Remove MISALIGNED_INDIRECT_REF handling.
14389         * tree-vect-stmts.c (vectorizable_store): Do not build
14390         MISALIGNED_INDIRECT_REF but initialize alignment information.
14391         (vectorizable_load): Likewise.
14392         * builtins.c (get_object_alignment): Remove MISALIGNED_INDIRECT_REF
14393         handling.
14394         * cfgexpand.c (expand_debug_expr): Likewise.
14395         * dwarf2out.c (loc_list_from_tree): Likewise.
14396         * fold-const.c (maybe_lvalue_p): Likewise.
14397         (operand_equal_p): Likewise.
14398         (build_fold_addr_expr_with_type_loc): Likewise.
14399         * gimplify.c (gimplify_addr_expr): Likewise.
14400         (gimplify_expr): Likewise.
14401         * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
14402         (verify_gimple_assign_single): Likewise.
14403         * tree-dump.c (dequeue_and_dump): Likewise.
14404         (tree_could_trap_p): Likewise.
14405         * tree-predcom.c (ref_at_iteration): Likewise.
14406         * tree-pretty-print.c (dump_generic_node): Likewise.
14407         (op_code_prio): Likewise.
14408         (op_symbol_code): Likewise.
14409         * tree-ssa-ccp.c (get_value_from_alignment): Likewise.
14410         * tree-ssa-loop-im.c (for_each_index): Likewise.
14411         (gen_lsm_tmp_name): Likewise.
14412         * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
14413         (find_interesting_uses_address): Likewise.
14414         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
14415         * tree-ssa-operands.c (get_expr_operands): Likewise.
14416         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
14417         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
14418         (ao_ref_init_from_vn_reference): Likewise.
14419         * tree.c (staticp): Likewise.
14420         (build1_stat): Likewise.
14421         (reference_alias_ptr_type): Likewise.
14422         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14423         * config/rs6000/rs6000.c (rs6000_check_sdmode): Remove
14424         MISALIGNED_INDIRECT_REF handling.
14425
14426 2010-09-06  Richard Guenther  <rguenther@suse.de>
14427
14428         PR tree-optimization/45534
14429         * tree-ssa-address.c (create_mem_ref_raw): Add verify parameter.
14430         (create_mem_ref): Do verify the created TARGET_MEM_REF is valid
14431         on the target.
14432         (maybe_fold_tmr): Do not verify the created TARGET_MEM_REF is
14433         valid on the target.
14434
14435 2010-09-06  Andreas Schwab  <schwab@redhat.com>
14436
14437         * configure.ac: Quote argument of AC_MSG_WARN.
14438         * configure: Regenerate.
14439
14440 2010-09-06  Alexander Monakov  <amonakov@ispras.ru>
14441
14442         * sel-sched.c (move_cond_jump): Correct arguments to
14443         maybe_tidy_empty_bb.
14444         * sel-sched-ir.c (maybe_tidy_empty_bb): Export.
14445
14446 2010-09-06  Andrey Belevantsev  <abel@ispras.ru>
14447
14448         PR rtl-optimization/44919
14449         * sel-sched.c (move_cond_jump): Remove assert, check that
14450         the several blocks case can only happen with mutually exclusive
14451         insns instead.  Rewrite the movement code to support moving through
14452         several basic blocks.
14453
14454 2010-09-06  Uros Bizjak  <ubizjak@gmail.com>
14455
14456         * config/i386/i386.md (iptrsize): New mode attribute.
14457         (tp_seg): Ditto.
14458         (*load_tp_<mode>): Macroize insn from *load_tp_{si,di} using P
14459         mode iterator.
14460         (*add_tp_<mode>): Ditto from *add_tp_{si,di}.
14461         (stack_protect_set_<mode>): Ditto from stack_protect_set_{si,di}.
14462         (stack_protect_test_<mode>): Ditto from stack_protect_test_{si,di}.
14463         (stack_tls_protect_set_<mode>): Ditto from
14464         stack_tls_protect_set_{si,di}.  Use %@ to output segment register
14465         of thread base pointer load.
14466         (stack_tls_protect_test_<mode>): Ditto from
14467         stack_tls_protect_test_{si,di}.  Use %@ to output segment register
14468         of thread base pointer load.
14469         (stack_protect_set): Rewrite using indirect functions.
14470         (stack_protect_test): Ditto.
14471         * config/i386/i386.c (ix86_print_operand_punct_valid): Add '@'.
14472         (ix86_print_operand): Handle '@'.
14473
14474 2010-09-05  Giuseppe Scrivano  <gscrivano@gnu.org>
14475
14476         * tree-tailcall.c (process_assignment): Handle NEGATE_EXPR and
14477         MINUS_EXPR.
14478
14479 2010-09-05  Mark Mitchell  <mark@codesourcery.com>
14480
14481         * doc/invoke.texi: Document -Wdouble-promotion.
14482         * c-typeck.c (convert_arguments): Check for implicit conversions
14483         from float to double.
14484         (do_warn_double_promotion): New function.
14485         (build_conditional_expr): Use it.
14486         (build_binary_op): Likewise.
14487
14488 2010-09-05  Richard Guenther  <rguenther@suse.de>
14489
14490         PR tree-optimization/45535
14491         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
14492         handle TMR_INDEX2.  Make sure TMR_INDEX is not NULL before
14493         dereferencing it.
14494         (indirect_refs_may_alias_p): Likewise.
14495
14496 2010-09-05  Naveen H.S  <naveen.S@kpitcummins.com>
14497
14498         * config/sh/sh.c (sh_option_override): Make static.
14499         Adjust comments.  Declare.
14500         (sh_function_value_regno_p): Likewise.
14501         (sh_register_move_cost): Modify the arguments, make static.
14502         Adjust comments.  Declare.
14503         (TARGET_OPTION_OVERRIDE, TARGET_REGISTER_MOVE_COST
14504         TARGET_FUNCTION_VALUE_REGNO_P): Define.
14505         * config/sh/sh.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P
14506         REGISTER_MOVE_COST): Delete.
14507         * config/sh/sh-protos.h (sh_override_options): Delete.
14508         (sh_register_move_cost): Delete.
14509         (sh_function_value_regno_p): Delete.
14510
14511 2010-09-04  Anatoly Sokolov  <aesok@post.ru>
14512
14513         * config/m32r/m32r.c (m32r_function_value, m32r_libcall_value,
14514         m32r_function_value_regno_p): New functions.
14515         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
14516         TARGET_FUNCTION_VALUE_REGNO_P): Declare.
14517         * config/m32r/m32r.h: (FUNCTION_VALUE, LIBCALL_VALUE,
14518         FUNCTION_VALUE_REGNO_P): Remove.
14519
14520 2010-09-04  Jan Hubicka  <jh@suse.cz>
14521
14522         * gimple-fold.c (maybe_fold_reference): Use fold_const_aggregate_ref.
14523         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use
14524         fold_read_from_constant_string.
14525
14526         * gimple.h (canonicalize_constructor_val): Declare.
14527         * gimple-fold.c (canonicalize_constructor_val): New function.
14528         (get_symbol_constant_value):Use it.
14529         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
14530
14531 2010-09-04  Jan Hubicka  <jh@suse.cz>
14532
14533         * tree-switch-conversion.c (build_one_array): Set constructor to be
14534         static.
14535         * varpool.c (varpool_finalize_decl): Compute const_value_known.
14536
14537 2010-09-04  Richard Guenther  <rguenther@suse.de>
14538
14539         PR bootstrap/45519
14540         * tree-flow.h (force_gimple_operand_1): Declare.
14541         (force_gimple_operand_gsi_1): Likewise.
14542         * gimplify.c (force_gimple_operand_1): New worker taking a
14543         gimple predicate for ...
14544         (force_gimple_operand): ... which now wraps it.
14545         (force_gimple_operand_gsi_1, force_gimple_operand_gsi): Likewise.
14546         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Revert
14547         last change.
14548         * tree-ssa-address.c (gimplify_mem_ref_parts): Use
14549         force_gimple_operand_gsi_1 with is_gimple_mem_ref_addr.
14550         (create_mem_ref): Likewise.
14551
14552 2010-09-04  Uros Bizjak  <ubizjak@gmail.com>
14553
14554         * config/i386/predicates.md (sse_reg_operand): New predicate.
14555         * config/i386/i386.md (TFmode push splitter): Use sse_reg_operand
14556         predicate for operand 1.
14557         (XFmode push splitter): Use fp_register_operand predicate
14558         for operand 1.
14559         (*dummy_extendsfdf2, *dummy_extendsfxf2): Remove disabled patterns.
14560         (SF-DF float_extend push splitter): Add reload_completed insn
14561         predicate.
14562         ({SF,DF}-XF float_extend_push splitter): Macroize splitter using
14563         MODEF mode macro.  Add reload_completed insn predicate.
14564
14565 2010-09-04  Paolo Bonzini  <bonzini@gnu.org>
14566
14567         * df.h (enum df_ref_class): Remove DF_REF_EXTRACT.
14568         (struct df_extract_ref): Remove.
14569         (union df_ref_d): Remove extract_ref member.
14570         (df_ref_create): Remove last three arguments.
14571         (DF_REF_LOC): Remove DF_REF_EXTRACT case.
14572         * df-scan.c (df_ref_record): Remove last three arguments, do not
14573         pass them to df_ref_create_structure.
14574         (df_uses_record): Remove first and last three arguments.  Replace
14575         first argument with DF_REF_REGULAR, adjust calls to remove the
14576         width, offset and mode.  Always call recursively on the second
14577         and third argument of ZERO_EXTRACT and SIGN_EXTRACT.
14578         (df_ref_create_structure): Remove first argument.
14579         (struct df_scan_problem_data): Remove ref_extract_pool.
14580         (df_scan_free_internal): Do not free it.
14581         (df_scan_alloc): Do not allocate it.
14582         (df_ref_create): Remove last three arguments, do not pass them to
14583         df_ref_create_structure.
14584         (df_free_ref): Remove DF_REF_EXTRACT case.
14585         (df_notes_rescan): Adjust call to df_uses_record.
14586         (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
14587         Remove DF_REF_EXTRACT case.
14588         (df_def_record_1): Do not special case class for a ZERO_EXTRACT lhs.
14589         Adjust calls to df_ref_record, using DF_REF_REGULAR for all REG
14590         and SUBREG definitions.
14591         (df_get_conditional_uses): Remove references to width/offset/mode,
14592         adjust call to df_ref_create_structure.
14593         (df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
14594         df_entry_block_defs_collect, df_exit_block_uses_collect): Adjust
14595         calls to df_uses_record and df_ref_record.
14596         * fwprop.c (update_df): Remove references to width/offset/mode,
14597         adjust call to df_ref_create.
14598
14599 2010-09-03  Jan Hubicka  <jh@suse.cz>
14600
14601         * ipa.c (build_cdtor): Take VECtor as argument; fix array walk.
14602         (build_cdtor_fns): Update use of build_cdtor.
14603
14604 2010-09-03  Joseph Myers  <joseph@codesourcery.com>
14605
14606         * doc/options.texi (SeparateAlias): Document.
14607         * opt-functions.awk (switch_flags): Handle SeparateAlias.
14608         * opth-gen.awk: Generate enumeration names for options marked
14609         SeparateAlias, but not for those marked Ignore.
14610         * opts-common.c (generate_canonical_option): Don't output separate
14611         argument for options marked CL_SEPARATE_ALIAS.
14612         (decode_cmdline_option): Handle CL_SEPARATE_ALIAS.
14613         * opts.h (CL_SEPARATE_ALIAS): New.
14614         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
14615         CL_COMMON): Adjust definitions.
14616         * config/i386/darwin.opt, config/mips/sde.opt: New.
14617         * common.opt (fdump-final-insns): New.
14618         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
14619         i386/darwin.opt.
14620         (mips*-sde-elf*): Add mips/sde.opt.
14621         * config/mips/sde.h (DRIVER_SELF_SPECS): Don't handle
14622         -mno-data-in-code and -mcode-xonly here.
14623         * defaults.h (DEFAULT_SWITCH_TAKES_ARG): Add 'd'.
14624         * gcc.c (option_map): Add "j" to --dump entry.
14625         (translate_options): Don't translate -d to -foutput-class-dir= here.
14626
14627 2010-09-03  Sebastian Pop  <sebastian.pop@amd.com>
14628
14629         * tree-data-ref.c (dr_may_alias_p): Replace !DR_IS_READ with
14630         DR_IS_WRITE.
14631         (compute_all_dependences): Same.
14632         (create_rdg_edge_for_ddr): Same.
14633         * tree-data-ref.h (DR_IS_WRITE): New.
14634         (ddr_is_anti_dependent): Replace !DR_IS_READ with DR_IS_WRITE.
14635         * tree-if-conv.c (write_memrefs_written_at_least_once): Same.
14636         (write_memrefs_written_at_least_once): Same.
14637         * tree-predcom.c (suitable_component_p): Same.
14638         (determine_roots_comp): Same.
14639         (execute_load_motion): Same.
14640         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Same.
14641         (vect_enhance_data_refs_alignment): Same.
14642         (vect_analyze_group_access): Same.
14643
14644 2010-09-03  Joern Rennecke  <joern.rennecke@embecosm.com>
14645
14646         PR testsuite/42843
14647         * Makefile.in (PLUGINCC): Define in terms of @CC@ / @CXX@
14648         (PLUGINCFLAGS): Define in terms of @CFLAGS@ / @CXXFLAGS@
14649
14650 2010-09-03  Marcin Baczynski  <marbacz@gmail.com>
14651
14652         * dwarf2out.c (file scope): Remove #if0'd code.
14653         (gen_subprogram_die): Same.
14654
14655 2010-09-03  Jakub Jelinek  <jakub@redhat.com>
14656
14657         PR middle-end/45484
14658         * dwarf2out.c (flush_queued_reg_saves): Rename to...
14659         (dwarf2out_flush_queued_reg_saves): ... this.  No longer static.
14660         (dwarf2out_frame_debug_expr, dwarf2out_frame_debug): Adjust callers.
14661         * dwarf2out.h (dwarf2out_flush_queued_reg_saves): New prototype.
14662         * config/i386/i386.c (output_set_got): Call it.
14663
14664 2010-09-03  Michael Matz  <matz@suse.de>
14665
14666         PR middle-end/45415
14667         * tree-sra.c (sra_modify_assign): If we modify the statement,
14668         say so.
14669
14670         * tree-ssa.c (verify_ssa): Check number of operands and links
14671         per statement to agree.
14672
14673 2010-09-03  Uros Bizjak  <ubizjak@gmail.com>
14674             Iain Sandoe  <iains@gcc.gnu.org>
14675
14676         PR target/45476
14677         * config/i386/t-darwin (LIB2FUNCS_EXCLUDE): New.
14678         * config/i386/darwin.h (LIBGCC2_HAS_TF_MODE,
14679         LIBGCC2_TF_CEXT, TF_SIZE): New defines.
14680
14681 2010-09-03  Richard Guenther  <rguenther@suse.de>
14682
14683         * lto-streamer-out.c (output_function): Output function
14684         start and end loci.
14685         * lto-streamer-in.c (input_function): Input function start
14686         and end loci.
14687
14688 2010-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
14689
14690         * configure.ac: Use the GCC_AC_ENABLE_DECIMAL_FLOAT macro.
14691         * Makefile.in: Add aclocal.m4 dependency to dfp.m4.
14692         * configure: Regenerate.
14693         * aclocal.m4: Regenerate.
14694
14695 2010-09-03  Jan Hubicka  <jh@suse.cz>
14696
14697         PR lto/44812
14698         * lto-cgraph.c (intput_node, input_varpool_node): Set DECL_EXTERNAL
14699         on functions/variables in other partition.
14700
14701 2010-09-03  Jan Hubicka  <jh@suse.cz>
14702
14703         * cgraph.h (struct varpool_node): Add const_value_known.
14704         (varpool_decide_const_value_known): Declare.
14705         * tree-ssa-ccp.c (fold_const_aggregate_ref): Update initializer folding.
14706         * lto-cgraph.c (lto_output_varpool_node): Store const_value_known.
14707         (input_varpool_node): Restore const_value_known.
14708         * tree-ssa-loop-ivcanon (constant_after_peeling): Check varpool for
14709         initializer folding.
14710         * ipa.c (ipa_discover_readonly_nonaddressable_var,
14711         function_and_variable_visibility): Compute const_value_known.
14712         * gimple-fold.c (get_symbol_constant_value): Use varpool for
14713         initializer folding.
14714         * varpool.c (varpool_decide_const_value_known): New function.
14715
14716 2010-09-03  Uros Bizjak  <ubizjak@gmail.com>
14717
14718         * config/i386/i386.md: Remove empty preparation statements
14719         from splitters.
14720
14721 2010-09-03  Jan Hubicka  <jh@suse.cz>
14722
14723         * passes.c (rest_of_decl_compilation): Do not add local vars into
14724         varpool.
14725         * varpool.c (varpool_get_node, varpool_node): Sanity check that only
14726         static or extern vars are in varpool.
14727         (varpool_finalize_decl): Sanity check that only static vars are
14728         finalized.
14729
14730 2010-09-03  Jakub Jelinek  <jakub@redhat.com>
14731
14732         PR debug/45500
14733         * dwarf2out.c (rtl_for_decl_init): Give up for all generic vectors,
14734         not just generic vectors with BLKmode.
14735
14736 2010-09-03  Richard Guenther  <rguenther@suse.de>
14737
14738         * tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE.
14739         Move TMR_OFFSET to second operand.  Add TMR_INDEX2.
14740         * tree.h (TMR_SYMBOL): Remove.
14741         (TMR_BASE, TMR_OFFSET): Adjust.
14742         (TMR_INDEX2): New.
14743         * alias.c (ao_ref_from_mem): Use TMR_BASE.
14744         * builtins.c (get_object_alignment): Merge TMR_BASE and
14745         TMR_SYMBOL handling.
14746         * cfgexpand.c (expand_debug_expr): Use TMR_BASE.
14747         * gimple.c (get_base_address): Merge MEM_REF and TARGET_MEM_REF
14748         handling.  Also allow TARGET_MEM_REF as base address.
14749         (walk_stmt_load_store_addr_ops): TMR_BASE is always non-NULL.
14750         * gimplify.c (gimplify_expr): Gimplify TMR_BASE like MEM_REF
14751         base.  Gimplify TMR_INDEX2.
14752         * tree-cfg.c (verify_types_in_gimple_reference): Adjust.
14753         * tree-dfa.c (get_ref_base_and_extent): Likewise.
14754         (get_addr_base_and_unit_offset): Likewise.
14755         * tree-eh.c (tree_could_trap_p): Likewise.
14756         * tree-pretty-print.c (dump_generic_node): Likewise.
14757         * tree-ssa-address.c (tree_mem_ref_addr): Simplify.  Handle TMR_INDEX2.
14758         (create_mem_ref_raw): Merge symbol and base.  Move 2ndary
14759         base to index2.
14760         (get_address_description): Reconstruct addres description
14761         from merged TMR_BASE and TMR_INDEX2.
14762         (maybe_fold_tmr): Fold propagated addresses.
14763         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Merge
14764         MEM_REF and TARGET_MEM_REF paths.
14765         (indirect_refs_may_alias_p): Likewise.
14766         * tree-ssa-live.c (mark_all_vars_used_1): Handle TMR_INDEX2
14767         instead of TMR_SYMBOL.
14768         * tree-ssa-operands.c (get_tmr_operands): Simplify.
14769         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Adjust
14770         according to changes ...
14771         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): ... here.
14772         Split TARGET_MEM_REF into two fields plus the base.
14773         * tree.c (mem_ref_offset): Simplify.
14774         * tree-ssa-loop-im.c (for_each_index): Handle TMR_INDEX2.
14775         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
14776         Strip NOPs when folding MEM_REF addresses.
14777         * tree-ssa-sink.c (is_hidden_global_store): Handle TARGET_MEM_REF.
14778         * gimple-fold.c (maybe_fold_reference): Fold TARGET_MEM_REF here ...
14779         (fold_gimple_assign): ... not here.
14780
14781 2010-09-03  Mingjie Xing  <mingjie.xing@gmail.com>
14782
14783         * config/mips/mips.h (SHIFT_COUNT_TRUNCATED): Change the definition.
14784         * config/mips/mips.c (mips_shift_truncation_mask): New function.
14785         (TARGET_SHIFT_TRUNCATION_MASK): Define.
14786
14787 2010-09-02  Richard Henderson  <rth@redhat.com>
14788
14789         * configure.ac (gcc_cv_as_cfi_advance_working): Use objdump
14790         instead of readelf in the test.
14791         (gcc_cv_as_cfi_sections_directive): Check for correct relocation
14792         in the .debug_frame section for coff targets.
14793         * configure: Rebuild.
14794
14795 2010-09-02  Anatoly Sokolov  <aesok@post.ru>
14796
14797         * config/m32c/m32c.h (CLASS_LIKELY_SPILLED_P): Remove.
14798         * config/m32c/m32c-protos.h (m32c_class_likely_spilled_p): Remove.
14799         * config/m32c/m32c.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
14800         (m32c_class_likely_spilled_p): Make static. Change argument type to
14801         reg_class_t. Change result type to bool.
14802
14803 2010-09-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
14804
14805         * config/rs6000/rs6000.opt (-mfriz): New switch to control whether
14806         to convert (double)(long) into a single FRIZ instruction or not
14807         when -ffast-math is used.
14808
14809         * config/rs6000/vsx.md (VSX_DF): New iterator for DF/V2DF modes.
14810         (vsx_float_fix_<mode>2): Optimize (double)(long) into X{S,V}RDPIZ
14811         or FRIZ instruction if -ffast-math.
14812         * config/rs6000/rs6000.md (friz): Ditto.
14813
14814         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mfriz.
14815
14816 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
14817
14818         * opth-gen.awk (quote, comma): Remove unused variables.
14819
14820 2010-09-02  Ryan Mansfield  <rmansfield@qnx.com>
14821
14822         * arm.c (arm_override_options): Correct fall-back code to use
14823         SUBTARGET_CPU_DEFAULT.
14824
14825 2010-09-02  Julian Brown  <julian@codesourcery.com>
14826
14827         * config/arm/neon.md (UNSPEC_VCLE, UNSPEC_VCLT): New constants for
14828         unspecs.
14829         (vcond<mode>, vcondu<mode>): New expanders.
14830         (neon_vceq<mode>, neon_vcge<mode>, neon_vcgt<mode>): Support
14831         comparisons with zero.
14832         (neon_vcle<mode>, neon_vclt<mode>): New patterns.
14833         * config/arm/constraints.md (Dz): New constraint.
14834
14835 2010-09-02  Anatoly Sokolov  <aesok@post.ru>
14836
14837         * target.def (class_likely_spilled_p): New hook.
14838         * doc/tm.texi.in (TARGET_CLASS_LIKELY_SPILLED_P): Document.
14839         * doc/tm.texi: Regenerate.
14840         * targhooks.c (default_class_likely_spilled_p): New function.
14841         * targhooks.h (default_class_likely_spilled_p): Declare.
14842         * regs.h (CLASS_LIKELY_SPILLED_P): Remove.
14843         * combine.c (cant_combine_insn_p, likely_spilled_retval_p): Use
14844         TARGET_CLASS_LIKELY_SPILLED_P target hook. Use HARD_REGISTER_P macro.
14845         Use fixed_reg_set instead of fixed_regs.
14846         * cse.c (hash_rtx_cb): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
14847         * calls.c (avoid_likely_spilled_reg): Ditto.
14848         * ira-conflicts.c (ira_build_conflicts): Ditto.
14849         * ira.c (update_equiv_regs): Ditto.
14850         * mode-switching.c (create_pre_exit): Ditto.
14851         * regmove.c (find_matches): Ditto.
14852         (regclass_compatible_p): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
14853         * reload.c (SMALL_REGISTER_CLASS_P): Remove macro.
14854         (small_register_class_p): New inline function.
14855         (push_secondary_reload, find_reusable_reload, find_reloads): Use
14856         small_register_class_p instead of SMALL_REGISTER_CLASS_P.
14857
14858         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Remove.
14859         * config/i386/i386.c (ix86_class_likely_spilled_p): New.
14860         (TARGET_CLASS_LIKELY_SPILLED_P): Define.
14861
14862 2010-09-02  Richard Guenther  <rguenther@suse.de>
14863
14864         PR tree-optimization/44937
14865         PR tree-optimization/45412
14866         * ipa-split.c (split_function): Properly remove PHI nodes.
14867
14868 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
14869
14870         * opts.h (struct cl_option): Add warn_message field.
14871         (struct cl_decoded_option): Add warn_message field.
14872         * doc/options.texi (Ignore, Warn): Document.
14873         * opt-functions.awk (needs_state_p): Don't consider aliases or
14874         ignored options to need state saved.
14875         * optc-gen.awk: Handle Warn and Ignore.
14876         * opth-gen.awk: Output OPT_SPECIAL_ignore.
14877         * opts-common.c (decode_cmdline_option): Set warn_message field.
14878         Handle ignored options.
14879         (decode_cmdline_options_to_array, generate_option,
14880         generate_option_input_file): Set warn_message field.
14881         (read_cmdline_option): Generate warnings from warn_message field.
14882         Handle ignored options.
14883         * common.opt (Wunreachable-code, fargument-alias,
14884         fargument-noalias, fargument-noalias-global,
14885         fargument-noalias-anything, fcse-skip-blocks, fforce-addr,
14886         floop-optimize, frerun-loop-opt, fsched2-use-traces, fsee,
14887         fstrength-reduce, ftree-store-ccp, ftree-store-copy-prop,
14888         ftree-salias): Mark Ignore.
14889         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -mcpu,
14890         -mintel-syntax and -mno-intel-syntax here.
14891         * config/i386/i386.opt (mcpu=, mintel-syntax): Define as aliases
14892         using Warn.
14893         * opts.c (common_handle_option): Don't handle options marked as
14894         ignored.
14895         (enable_warning_as_error): Handle ignored options.
14896
14897 2010-09-02  Joseph Myers  <joseph@codesourcery.com>
14898
14899         PR driver/44076
14900         * opts.h (struct cl_option): Add alias_arg, neg_alias_arg and
14901         alias_target fields.
14902         * opt-functions.awk (opt_sanitized_name): Don't handle
14903         finline-limit=, Wlarger-than= and ftemplate-depth= specially.
14904         * optc-gen.awk: Generate alias fields.
14905         * opth-gen.awk: Explicitly give values for OPT_* enum constants.
14906         Don't generate such constants for aliases.
14907         * opts-common.c (generate_canonical_option): New.
14908         (decode_cmdline_option): Handle aliases.  Use
14909         generate_canonical_option for known options instead of copying the
14910         input option text.
14911         * doc/options.texi (Alias): Document.
14912         * common.opt (W, Wlarger-than-, aux-info=, finline-limit-,
14913         fstack-check, specs): Mark as aliases.
14914         * gcc.c (driver_handle_option): Canonicalize -L options to joined
14915         arguments.
14916         (driver_handle_option): Don't handle OPT_specs.
14917         * opts.c (common_handle_option): Don't handle options marked as
14918         aliases.
14919         (enable_warning_as_error): Handle aliases.
14920         * stor-layout.c (layout_decl): Use OPT_Wlarger_than_ instead of
14921         OPT_Wlarger_than_eq.
14922         * tree-optimize.c (tree_rest_of_compilation): Use
14923         OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq.
14924
14925 2010-09-02  Uros Bizjak  <ubizjak@gmail.com>
14926
14927         * config/i386/i386.md (nonmemory_operand): New mode attribute.
14928         (push memory peephole2): Macroize peepholes using SWI mode iterator.
14929         (move immediate to memory peephole2): Macroize peepholes using
14930         SWI124 mode iterator.
14931         (non-pairable NOT peephole2): Macroize peepholes using SWI124
14932         mode iterator.
14933         (simple lea add peephole2): Macroize peepholes using SWI48
14934         mode iterator.
14935         (simple lea mult peephole2): Ditto.
14936         (imul by 3,5,9 to lea peephole2): Ditto.
14937         (mov $-1, reg peephole2): Macroize peepholes using SWI248
14938         mode iterator.
14939         (imul $32bit_imm,mem,reg peephole2): Ditto.
14940         (imul $8/16bit_imm,regmem,reg peephole2): Ditto.
14941
14942 2010-09-02  Ian Bolton  <ian.bolton@arm.com>
14943
14944         * tree-ssa-loop-prefetch.c: Fix comment at head of file.
14945
14946 2010-09-02  Olivier Hainque  <hainque@adacore.com>
14947
14948         PR middle-end/44763
14949         * ira-color.c (SORTGT): New macro, helper for qsort callbacks.
14950         (allocno_priority_compare_func): Use it instead of a straight
14951         difference computation over priorities.
14952
14953 2010-09-02  Andi Kleen  <ak@linux.intel.com>
14954
14955         * opts.c (common_handle_option): Fix OPT_fwhopr/fwhopr_ handling.
14956
14957 2010-09-02  Ira Rosen  <irar@il.ibm.com>
14958
14959         * tree-vectorizer.h (get_later_stmt): New function.
14960         (vect_analyze_data_ref_dependences): Add argument.
14961         * tree-vect-loop.c (vect_analyze_loop): Update call to
14962         vect_analyze_data_ref_dependences.
14963         * tree-vect-data-refs.c (vect_drs_dependent_in_basic_block):
14964         New function.
14965         (vect_analyze_data_ref_dependence): Add argument for basic block
14966         dependencies. Check dependencies in basic block vectorization.
14967         (vect_analyze_data_ref_dependences): Add argument and update call to
14968         vect_analyze_data_ref_dependences.
14969         * tree-vect-slp.c (vect_find_last_store_in_slp_instance): New.
14970         (vect_bb_vectorizable_with_dependencies): New.
14971         (vect_slp_analyze_bb): Check dependencies in basic block.
14972         (vect_schedule_slp_instance): Insert stores before the last store in
14973         SLP instance.
14974
14975 2010-09-02  Uros Bizjak  <ubizjak@gmail.com>
14976
14977         PR target/45476
14978         * config/i386/freebsd.h (LIBGCC2_HAS_TF_MODE,
14979         LIBGCC2_TF_CEXT, TF_SIZE): New defines.
14980
14981 2010-09-01  Jakub Jelinek  <jakub@redhat.com>
14982
14983         PR middle-end/45458
14984         * bb-reorder.c (add_labels_and_missing_jumps): Treat
14985         bbs ending with throwing insns like blocks ending with a call.
14986         (fix_up_fall_thru_edges): Likewise.
14987
14988 2010-09-01  Nathan Froyd  <froydnj@codesourcery.com>
14989
14990         * config/m32c/m32c-protos.h (m32c_function_arg): Delete.
14991         (m32c_function_arg_advance): Delete.
14992         * config/m32c/m32c.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
14993         * config/m32c/m32c.c (m32c_function_arg): Make static.  Adjust
14994         comments.  Take a const_tree and a bool.  Declare.
14995         (m32c_function_arg_advance): Likewise.
14996         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
14997
14998 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
14999
15000         PR target/45476
15001         * config/i386/cygming.h (LIBGCC2_HAS_TF_MODE,
15002         LIBGCC2_TF_CEXT, TF_SIZE): Move from ...
15003         * config/i386/mingw32.h: ... here.
15004
15005 2010-09-01  Andi Kleen  <ak@linux.intel.com>
15006
15007         PR lto/45475
15008         * lto-streamer-in.c (lto_input_ts_target_option): Add.
15009         (lto_input_tree_pointers): Call lto_input_ts_target_option.
15010         * lto-streamer-out (lto_output_ts_target_option): Add.
15011         (lto_output_tree_pointers): Call lto_output_ts_target_option.
15012
15013 2010-09-01  Kai Tietz  <kai.tietz@onevision.com>
15014
15015         PR/target 45452
15016         * config/i386/cygwin.h: Change order of specified import libraries.
15017         * config/i386/mingw32.h: Likewise.
15018         * config/i386/t-cygwin: Likewise.
15019         * config/i386/t-mingw32: Likewise.
15020         * config/i386/t-mingw-w32: Likewise.
15021         * config/i386/t-mingw-w64: Likewise.
15022
15023 2010-09-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15024
15025         * config/arm/neon-schedgen.ml (core): New type.
15026         (allCores): List of supported cores.
15027         (availability_table): Add supported cores.
15028         (collate_bypasses): Accept core as a parameter.
15029         (worst_case_latencies_and_bypasses): Accept core as a parameter.
15030         (emit_insn_reservations): Accept core as a parameter.  Use tuneStr
15031         and coreStr to get tune attribute and prefix for functional units.
15032         (emit_bypasses): Accept core name and use it.
15033         (calculate_per_core_availability_table): New.
15034         (filter_core): New.
15035         (calculate_core_availability_table): New.
15036         (main): Use calculate_core_availablity_table.
15037         * config/arm/cortex-a8-neon.md: Update copyright year.
15038         Regenerated from ml file and merged in.
15039         (neon_mrrc, neon_mrc): Rename to cortex_a8_neon_mrrc and
15040         cortex_a8_neon_mrc.
15041
15042 2010-09-01  Ian Bolton  <ian.bolton@arm.com>
15043
15044         * Makefile.in (tree-switch-conversion.o): Update dependencies.
15045
15046 2010-09-01  Richard Guenther  <rguenther@suse.de>
15047
15048         * alias.c (ao_ref_from_mem): Adjust.
15049         * builtins.c (get_object_alignment): Likewise.
15050         * cfgexpand.c (expand_debug_expr): Likewise.
15051         * gimple.c (get_base_address): Likewise.
15052         * tree-dfa.c (get_ref_base_and_extent): Likewise.
15053         (get_addr_base_and_unit_offset): Likewise.  Fix for
15054         both TMR_SYMBOL and TMR_BASE being set.
15055         * tree-eh.c (tree_could_trap_p): Likewise.
15056         * gimplify.c (gimplify_expr): Do not attempt to gimplify
15057         TMR_SYMBOL.  Always gimplify TMR_BASE.
15058         * tree-cfg.c (verify_types_in_gimple_reference): Verify
15059         TMR_BASE if there is a TMR_SYMBOL.
15060         * tree-pretty-print.c (dump_generic_node): Adjust.
15061         * tree-ssa-address.c (addr_for_mem_ref): Likewise.
15062         (tree_mem_ref_addr): Likewise.
15063         (create_mem_ref_raw): Likewise.
15064         (move_fixed_address_to_symbol): Likewise.
15065         (create_mem_ref): Likewise.
15066         (dump_mem_address): Likewise.
15067         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Adjust.
15068         Fix for both TMR_SYMBOL and TMR_BASE being set.
15069         (indirect_refs_may_alias_p): Likewise.
15070         * tree-ssa-operands.c (get_tmr_operands): Adjust.
15071         * tree.def (TARGET_MEM_REF): Adjust documentation.
15072
15073 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
15074
15075         * config/i386/i386.h (enum ix86_tune_indices) <X86_TUNE_SINGLE_POP>:
15076         Rename from X86_TUNE_ADD_ESP_4.
15077         <IX86_TUNE_DOUBLE_POP>: Rename from X86_TUNE_ADD_ESP_8.
15078         <IX86_TUNE_SINGLE_PUSH>: Rename from X86_TUNE_SUB_ESP_4.
15079         <IX86_TUNE_DOUBLE_PUSH>: Rename from X86_TUNE_SUB_ESP_8.
15080         (TARGET_SINGLE_POP): Rename from TARGET_ADD_ESP_4.
15081         (TARGET_DOUBLE_POP): Rename from TARGET_ADD_ESP_8.
15082         (TARGET_SINGLE_PUSH): Rename from TARGET_SUB_ESP_4.
15083         (TARGET_DOUBLE_POP): Rename from TARGET_SUB_ESP_8.
15084         * config/i386/i386.c (initial_ix86_tune_features)
15085         <X86_TUNE_SINGLE_POP>: Invert members.
15086         <X86_TUNE_DOUBLE_POP>: Ditto.
15087         <X86_TUNE_SINGLE_PUSH>: Ditto.
15088         <X86_TUNE_DOUBLE_PUSH>: Ditto.
15089         * config/i386/i386.md (*pop<mode>1): Rename from pop<mode>1.
15090         No longer exported.
15091         (push peephole2 patterns): Macroize peepholes using P mode iterator.
15092         Adjust for renamed TARGET_{SINGLE,DOUBLE}_PUSH defines.
15093         (pop peephole2 patterns): Macroize peepholes using P mode iterator.
15094         Adjust for renamed TARGET_{SINGLE,DOUBLE}_POP defines.
15095
15096 2010-09-01  Eric Botcazou  <ebotcazou@adacore.com>
15097
15098         * gimplify.c (gimplify_init_constructor): Do not create a temporary for
15099         a volatile LHS if the constructor has only one element.
15100
15101 2010-09-01  Mikael Pettersson  <mikpe@it.uu.se>
15102
15103         PR bootstrap/45321
15104         * tree.c (stdarg_p): Make fntype parameter const.
15105         * tree.h (stdarg_p): Likewise.
15106         (function_args_iterator): Remove unused fntype field.
15107         (function_args_iter_init): Do not initialize fntype
15108         field.  Make fntype parameter const.
15109
15110 2010-09-01  Richard Guenther  <rguenther@suse.de>
15111
15112         * tree-vrp.c (adjust_range_with_scev): Use number of iteration
15113         estimate.
15114         (vrp_visit_phi_node): Delay using SCEV till we balloon the range.
15115         (execute_vrp): Compute number of iteration estimates.
15116         * cfgloop.h (estimate_numbers_of_iterations_loop): Adjust prototype.
15117         * tree-flow.h (estimate_numbers_of_iterations): Likewise.
15118         * tree-data-ref.c (estimated_loop_iterations): Adjust.
15119         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
15120         Infer loop bounds from undefined behavior based on a new parameter.
15121         (estimate_numbers_of_iterations): Likewise.
15122         (scev_probably_wraps_p): Adjust.
15123         * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.
15124
15125 2010-09-01  Nick Clifton  <nickc@redhat.com>
15126
15127         * config/stormy16/stormy16.c: Use REG_P, MEM_P and CONST_INT_P
15128         where appropriate.
15129         (xstormy16_legitimate_address_p): Use true and false instead of 1
15130         and 0.
15131         (xstormy16_expand_prologue): Delete unused local variable 'insn'.
15132         (xstormy16_function_arg): Use FIRST_ARGUMENT_REGNUM in place of
15133         magic constant 2.
15134         (xstormy16_expand_call): Fix comment at start of function.
15135
15136 2010-09-01  Nick Clifton  <nickc@redhat.com>
15137
15138         * config/rx/rx.c (rx_expand_prologue): Do not adjust frame size
15139         when pushing accumulator register.
15140         (rx_get_stack_layout): Always save call clobbered registers inside
15141         interrupt handlers.
15142         * config/rx/rx-modes.def: Fix descriptive comment at start of file.
15143
15144 2010-09-01  Uros Bizjak  <ubizjak@gmail.com>
15145
15146         * config.gcc (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Add
15147         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
15148
15149         * libgcc-std.ver (GCC_4.6.0): Define version.
15150
15151 2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>
15152
15153         * tree-nested.c (convert_all_function_calls): Iterate until after the
15154         sum of static chains in the nest doesn't change.
15155
15156 2010-08-31  Anatoly Sokolov  <aesok@post.ru>
15157
15158         * config/m32c/m32c.c (classes_intersect): Remove.
15159         (m32c_preferred_reload_class, m32c_secondary_reload_class): Use
15160         reg_classes_intersect_p instead of classes_intersect.
15161         (class_can_hold_mode): Change arguments type from enum reg_class to
15162         reg_class_t.  Use reg_class_contents instead of class_contents.
15163         (m32c_register_move_cost): Make static. Change arguments type from
15164         enum reg_class to reg_class_t. Use reg_classes_intersect_p instead of
15165         classes_intersect. Use reg_class_contents instead of class_contents.
15166         (m32c_memory_move_cost): Make static. Change arguments type from
15167         enum reg_class to reg_class_t.
15168         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
15169         * config/m32c/m32c.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
15170         * config/m32c/m32c-protos.h (m32c_register_move_cost,
15171         m32c_memory_move_cost): Remove.
15172
15173 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
15174
15175         * config/arm/arm-protos.h (arm_function_arg_advance): Delete.
15176         (arm_function_arg): Delete.
15177         (arm_needs_doubleword_align): Take a const_tree.
15178         * config/arm/arm.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
15179         * config/arm/arm.c (aapcs_select_call_coproc): Take a const_tree.
15180         (aapcs_layout_arg, arm_needs_doubleword_align): Likewise.
15181         (arm_function_arg): Make static.  Take a const_tree and a bool.
15182         (arm_function_arg_advance): Likewise.
15183         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15184
15185 2010-08-31  Andi Kleen  <ak@linux.intel.com>
15186
15187         * common.opt (fwhopr=): Update for -fwhopr=jobserver
15188         * doc/invoke.texi (fwhopr): Document -fwhopr=jobserver.
15189         * lto-wrapper.c (run_gcc): Add jobserver mode.
15190         * opts.c (common_handle_option): Fix OPT_fwhopr for non numeric
15191         argument.
15192
15193 2010-08-31  Uros Bizjak  <ubizjak@gmail.com>
15194
15195         * config/i386/i386.md (popdi1): Rewrite using POST_INC memory operand.
15196         (popsi1): Ditto.
15197         (*popdi1_epilogue): Ditto.
15198         (*popsi1_epilogue): Ditto.
15199         (popsi, popdi peephole2 patterns): Update peepholes for changed
15200         pop{si,di}1 and *pop{si,di}1_epilogue patterns.
15201
15202         (pop<mode>1): Macroize insn from pop{si,di}1 using P code iterator.
15203         (*pop<mode>1_epilogue): Ditto from *pop{si,di}1_epilogue.
15204
15205         * config/i386/i386.c (*ix86_gen_pop1): Remove indirect function.
15206         (override_options): Do not initialize removed ix86_gen_pop1.
15207         (gen_pop): New static function.
15208         (ix86_expand_prologue): Use gen_pop instead of ix86_gen_pop1.
15209         (release_scratch_register_on_entry): Ditto.
15210         (ix86_restore_reg_using_pop): Ditto.
15211         (ix86_expand_epilogue): Ditto.
15212
15213 2010-08-31  Jakub Jelinek  <jakub@redhat.com>
15214
15215         PR middle-end/45461
15216         * builtins.c (dummy_object): Return a MEM_REF instead of INDIRECT_REF.
15217
15218 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
15219
15220         * config/fr30/fr30.c (fr30_move_double): Delete `dregno' and extra
15221         semicolons.
15222
15223 2010-08-31  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15224
15225         * doc/extend.texi: Fix documentation of the return value of
15226         __builtin_choose_expr.
15227
15228 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
15229
15230         * config/v850/v850-protos.h (function_arg): Delete.
15231         * config/v850/v850.h (FUNCTION_ARG): Delete.
15232         (FUNCTION_ARG_ADVANCE): Move code to...
15233         * config/v850/v850.c (v850_function_arg_advance): ...here.
15234         (v850_function_arg): Make static.  Take a const_tree and a bool.
15235         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15236
15237 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
15238
15239         * config/m32r/m32r.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Move
15240         these...
15241         (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
15242         ...and these...
15243         * config/m32r/m32r.c (m32r_function_arg, m32r_function_arg_advance):
15244         ..to here..
15245         (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
15246         ...and here.
15247         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15248
15249 2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>
15250
15251         * config/rx/rx-protos.h (rx_function_arg, rx_function_arg_size):
15252         Delete.
15253         * config/rx/rx.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
15254         * config/rx/rx.c (rx_function_arg_size): Make static.
15255         (rx_function_arg): Likewise.
15256         (rx_function_arg_advance): New function.
15257         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15258
15259 2010-08-31  John Tytgat  <John.Tytgat@aaug.net>
15260
15261         * config/arm/arm.c (arm_override_options): Remove superfluous test.
15262         Fix indentation.
15263
15264 2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>
15265
15266         * dwarf2out.c (gen_decl_die) <CONST_DECL>: Do not skip in Ada.
15267         (dwarf2out_decl) <CONST_DECL>: Likewise.
15268
15269 2010-08-30  Eric Botcazou  <ebotcazou@adacore.com>
15270
15271         Stack usage support
15272         * common.opt (-fstack-usage): New option.
15273         * doc/invoke.texi (Debugging options): Document it.
15274         * builtins.c (expand_builtin_apply): Pass TRUE as 4th argument to
15275         allocate_dynamic_stack_space.
15276         (expand_builtin_alloca): Add 4th bool parameter CANNOT_ACCUMULATE
15277         and propagate it to allocate_dynamic_stack_space.
15278         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust for above change.
15279         * calls.c (initialize_argument_information): Pass TRUE as 4th
15280         argument to allocate_dynamic_stack_space.
15281         (expand_call): Set current_function_has_unbounded_dynamic_stack_size
15282         to 1 when pushing a variable-sized argument onto the stack.  Pass
15283         TRUE as 4th argument to allocate_dynamic_stack_space.
15284         Update current_function_pushed_stack_size.
15285         (emit_library_call_value_1): Likewise.
15286         * explow.c (allocate_dynamic_stack_space): Add 4th bool parameter
15287         CANNOT_ACCUMULATE.  If flag_stack_usage, look into the size and
15288         attempt to find an upper bound.  Remove redundant code for the
15289         SETJMP_VIA_SAVE_AREA case.
15290         * expr.h (allocate_dynamic_stack_space): Add 4th bool parameter.
15291         * function.h (struct stack_usage): New structure.
15292         (current_function_static_stack_size): New macro.
15293         (current_function_dynamic_stack_size): Likewise.
15294         (current_function_pushed_stack_size): Likewise.
15295         (current_function_dynamic_alloc_count): Likewise.
15296         (current_function_has_unbounded_dynamic_stack_size): Likewise.
15297         (current_function_allocates_dynamic_stack_space): Likewise.
15298         (struct function): Add new field 'su'.
15299         * function.c (instantiate_virtual_regs): If SETJMP_VIA_SAVE_AREA,
15300         add the value of the dynamic offset to the dynamic stack usage.
15301         (gimplify_parameters): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA
15302         for variable-sized objects.
15303         (prepare_function_start): Allocate cfun->su if flag_stack_usage.
15304         (rest_of_handle_thread_prologue_and_epilogue): Call output_stack_usage.
15305         * gimplify.c (gimplify_decl_expr): Set ALLOCA_FOR_VAR_P on call to
15306         BUILT_IN_ALLOCA for variable-sized objects.
15307         * output.h (output_stack_usage): Declare.
15308         * toplev.c (stack_usage_file): New file pointer.
15309         (output_stack_usage): New function.
15310         (open_auxiliary_file): Likewise.
15311         (lang_dependent_init): Open file if flag_stack_usage is set.
15312         (finalize): Close file if stack_usage_file is not null.
15313         * tree.h (ALLOCA_FOR_VAR_P): New macro.
15314         * config/alpha/alpha.c (compute_frame_size): New function.
15315         (alpha_expand_prologue): Use it.
15316         (alpha_start_function): Likewise.
15317         (alpha_expand_epilogue): Likewise.  Set stack usage info.
15318         * config/i386/i386.c (ix86_expand_prologue): Likewise.
15319         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
15320         * config/mips/mips.c (mips_expand_prologue): Likewise.
15321         * config/pa/pa.c (hppa_expand_prologue): Likewise.
15322         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
15323         * config/sparc/sparc.c (sparc_expand_prologue): Likewise.
15324
15325 2010-08-30  Zdenek Dvorak  <ook@ucw.cz>
15326
15327         PR tree-optimization/45427
15328         * tree-ssa-loop-niter.c (number_of_iterations_ne_max): Rewritten.
15329         Handle the case that the exit is never taken correctly.
15330         (number_of_iterations_ne): Pass exit_must_be_taken to
15331         number_of_iterations_ne_max.
15332
15333 2010-08-30  Catherine Moore  <clm@codesourcery.com>
15334
15335         * config/mips/mips.h (BASE_DRIVER_SELF_SPECS):
15336         Infer -mdspr2 for the the 74K.
15337
15338 2010-08-30  Jakub Jelinek  <jakub@redhat.com>
15339
15340         PR debug/45419
15341         * tree-ssa-live.c (dump_enumerated_decls): Clear the whole wi variable.
15342
15343         PR middle-end/45423
15344         * gimplify.c (goa_stabilize_expr): Handle TRUTH_NOT_EXPR
15345         and TRUTH_{AND,OR,XOR}_EXPR.
15346         * c-parser.c (c_parser_omp_atomic): Handle boolean
15347         {PRE,POST}_{INC,DEC}REMENT.
15348
15349 2010-08-30  Nathan Froyd  <froydnj@codesourcery.com>
15350
15351         * config/xtensa/xtensa-protos.h (function_arg_advance): Delete.
15352         (function_arg): Delete.
15353         * config/xtensa/xtensa.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
15354         (FUNCTION_INCOMING_ARG): Delete.
15355         * config/xtensa/xtensa.c (function_arg_advance): Rename to...
15356         (xtensa_function_arg_advance): ...this.  Make static. Take a const_tree
15357         and a bool.
15358         (function_arg): Rename to...
15359         (xtensa_function_arg_1): ...this.  Make static.  Take a const_tree and
15360         a bool.
15361         (xtensa_function_arg, xtensa_function_incoming_arg): Nex functions.
15362         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15363         (TARGET_FUNCTION_INCOMING_ARG): Define.
15364
15365 2010-08-30  Richard Guenther  <rguenther@suse.de>
15366
15367         PR tree-optimization/21602
15368         * builtins.c (fold_builtin_memory_op): Fold memmove to memcpy
15369         using points-to information.
15370
15371 2010-08-30  H.J. Lu  <hongjiu.lu@intel.com>
15372
15373         * config/linux.h (TARGET_HAS_SINCOS): Replace | with ||.
15374
15375 2010-08-30  Richard Guenther  <rguenther@suse.de>
15376
15377         PR tree-optimization/45449
15378         * tree-ssa-live.c (remove_unused_locals): Also remove address-taken
15379         variables.
15380
15381 2010-08-30  Joseph Myers  <joseph@codesourcery.com>
15382
15383         * opts.h (CL_ERR_NEGATIVE): Define.
15384         * opts.c (unknown_option_callback): Don't postpone warnings for
15385         options marked with CL_ERR_NEGATIVE.
15386         * opts-common.c (decode_cmdline_option): Set CL_ERR_NEGATIVE error
15387         for negative versions of CL_REJECT_NEGATIVE options.
15388
15389 2010-08-30  Uros Bizjak  <ubizjak@gmail.com>
15390
15391         * config/i386/i386.md (zero_extendsidi2_1): Rename from
15392         zero_extendsidi2_32.
15393         (zero_extend<mode>di2): Macroize insn from zero_extend{qi,hi}di2
15394         using SWI12 mode iterator.
15395         (zero_extendhisi2_and): Merge insn pattern and corresponding spliter
15396         to define_insn_and_split pattern.
15397         (zero_extendqi<mode>2): Macroize expander from zero_extendqi{hi,si}2
15398         using SWI24 mode iterator.
15399         (*zero_extendqi<mode>2_and): Macroize insn from
15400         *zero_extendqi{hi,si}2_and using SWI24 mode iterator.
15401         (*zero_extendqi<mode>2_movzbl_and): Macroize insn from
15402         *zero_extendqihi2_movzbw_and and *zero_extendqisi2_movzbl_and using
15403         SWI24 mode iterator.
15404         (*zero_extendqi<mode>2_movzbl): Ditto from
15405         *zero_extendqi{hi,si}2_movzbl.
15406         (extendsidi2_1): Rename from extendsidi2_32.
15407         (extend<mode>di2): Macroize insn from extend{qi,hi}di2 using
15408         SWI12 mode iterator.
15409
15410 2010-08-29  Eric Botcazou  <ebotcazou@adacore.com>
15411
15412         * config/ia64/ia64.h (HARD_REGNO_NREGS): Return 1 for CCImode in
15413         general purpose registers.
15414         (HARD_REGNO_MODE_OK): Accept CCImode in general purpose registers.
15415         * config/ia64/ia64.md (*movcci): Change to named pattern.  Deal
15416         with general purpose registers and memory operands.  Add associated
15417         CCImode post-reload splitter.
15418         * config/ia64/div.md: Change BImode to CCImode throughout.
15419
15420 2010-08-28  Eric Botcazou  <ebotcazou@adacore.com>
15421
15422         * config/ia64/ia64.md (cstorebi4): Fix thinko.
15423
15424 2010-08-28  Hariharan Sandanagobalane  <hariharan@picochip.com>
15425
15426         * config/picochip/picochip.c (reorder_var_tracking_notes): This
15427         function was dropping debug insns which caused PR45299.
15428
15429 2010-08-28  Uros Bizjak  <ubizjak@gmail.com>
15430
15431         * config/i386/sse.md (extsuffix): New code attribute.
15432         (sse4_1_<code>v8qiv8hi2): Macroize insn from sse4_1_extendv8qiv8hi2
15433         and sse4_1_zero_extendv8qiv8hi2 using any_extend code iterator.
15434         (sse4_1_<code>v4qiv4si2): Ditto from sse4_1_extendv4qiv4si2
15435         and sse4_1_zero_extendv4qiv4si2.
15436         (sse4_1_<code>v2qiv2di2): Ditto from sse4_1_extendv2qiv2di2
15437         and sse4_1_zero_extendv2qiv2di2.
15438         (sse4_1_<code>v4hiv4si2): Ditto from sse4_1_extendv4hiv4si2
15439         and sse4_1_zero_extendv4hiv4si2.
15440         (sse4_1_<code>v2hiv2di2): Ditto from sse4_1_extendv2hiv2di2
15441         and sse4_1_zero_extendv2hiv2di2.
15442         (sse4_1_extendv2siv2di2): Ditto from sse4_1_extendv2siv2di2
15443         and sse4_1_zero_extendv2siv2di2
15444
15445         (<s>mulv8hi3_highpart): Macroize expander from {u,s}mulv8hi3_highpart
15446         using any_extend code iterator.
15447         (*avx_<s>mulv8hi3_highpart): Macroize insn from
15448         *avx_{u,s}mulv8hi3_highpart using any_extend code iterator.
15449         (*<s>mulv8hi3_highpart): Ditto from *{u,s}mulv8hi3_highpart.
15450
15451         * config/i386/i386.c (ix86_expand_sse4_unpack): Update for renamed
15452         gen_sse4_1_sign_extend* functions.
15453         (struct builtin_description bdesc_args): Ditto.
15454
15455 2010-08-27  Xinliang David Li  <davidxl@google.com>
15456
15457         PR/45422
15458         * tree-ssa-loop-ivopts.c (iv_ca_get_num_inv_exprs): Remove.
15459         (iv_ca_set_no_cp): Update used inv expr count.
15460         (iv_ca_set_cp): Ditto.
15461         (iv_ca_new): Initialize new member.
15462         (iv_ca_free): Free memory.
15463
15464 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
15465
15466         * config/sh/sh-protos.h (sh_function_arg): Delete.
15467         (sh_function_arg_advance): Delete.
15468         * config/sh/sh.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
15469         (PASS_IN_REG_P): Eliminate cast.
15470         * config/sh/sh.c (sh_function_arg_advance): Make static.  Take a
15471         const_tree and a bool.
15472         (sh_function_arg): Likewise.
15473         (sh_output_mi_thunk): Call sh_function_arg_advance) and
15474         sh_function_arg.
15475         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15476
15477 2010-08-27  Naveen H.S  <naveen.S@kpitcummins.com>
15478             Kaz Kojima  <kkojima@gcc.gnu.org>
15479
15480         * config/sh/sh.c (push_regs): Emit movml for interrupt handler
15481         when possible.
15482         (sh_expand_epilogue): Likewise.
15483         * config/sh/sh.md (movml_push_banked): New insn.
15484         (movml_pop_banked): Likewise.
15485
15486 2010-08-28  Bernd Schmidt  <bernds@codesourcery.com>
15487
15488         * genautomata.c (gen_regexp_repeat, gen_regexp_allof,
15489         gen_regexp_oneof, gen_regexp_sequence): Use the string found
15490         in vector element 0 rather than the original string when there's
15491         only one element.
15492         (gen_regexp): Remove extra semicolon.
15493
15494         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp, movsf_vfp,
15495         thumb2_movsf_vfp): Set attribute "insn".
15496         * config/arm/arm.md (arm_ashrdi3_1bit, arm_lshrdi3_1bit, not_shiftsi,
15497         not_shiftsi_compare0, not_shiftsi_compare0_scratch, arm_one_cmplsi2,
15498         thumb1_one_cmplsi2, notsi_compare0, notsi_compare0_scratch,
15499         arm_zero_extendsidi2, arm_extendsidi2, thumb1_movdi_insn,
15500         arm_movsi_insn, movhi_insn_arch4, movhi_bytes, arm_movqi_insn,
15501         thumb1_movqi_insn arm32_movhf, thumb1_movhf, arm_movsf_soft_insn,
15502         thumb1_movsf_insn, thumb_movdf_insn, mov_scc, mov_negscc, mov_notscc,
15503         movsicc_insn, movsfcc_soft_insn, and_scc, cond_move, if_move_not,
15504         if_not_move, if_shift_move, if_move_shift, if_shift_shift,
15505         if_not_arith, if_arith_not, cond_move_not): Likewise.
15506
15507 2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
15508
15509         * config/rs6000/rs6000-protos.h (rs6000_address_for_fpconvert):
15510         New declaration.
15511         (rs6000_allocate_stack_temp): Ditto.
15512         (rs6000_expand_convert_si_to_sfdf): Ditto.
15513
15514         * config/rs6000/rs6000.c (rs6000_override_options): Adjust long
15515         line.  Update the options set if power6 or power7 server/embedded
15516         type options are used.  If we give a warning for no vsx under
15517         -mcpu=power7 -mno-altivec, mark -mvsx as an explicit option.
15518         (rs6000_allocate_stack_temp): New function to allocate a stack
15519         tempoary and adjust the address so it meets either REG+OFFSET or
15520         REG+REG addressing requirements.
15521         (rs6000_address_for_fpconvert): Adjust REG+OFFSET addresses so
15522         that they can be used with the LFIWAX/LFIWZX instrucitons.
15523         (rs6000_expand_convert_si_to_sfdf): New helper funciton for
15524         converting signed/unsigned SImode to either SFmode/DFmode.
15525
15526         * config/rs6000/rs6000.h (TARGET_FCFID): New macros to determine
15527         whether certain instructions can be generated.
15528         (TARGET_FCTIDZ): Ditto.
15529         (TARGET_STFIWX): Ditto.
15530         (TARGET_LFIWAX): Ditto.
15531         (TARGET_LFIWZX): Ditto.
15532         (TARGET_FCFIDS): Ditto.
15533         (TARGET_FCFIDU): Ditto.
15534         (TARGET_FCFIDUS): Ditto.
15535         (TARGET_FCTIDUZ): Ditto.
15536         (TARGET_FCTIWUZ): Ditto.
15537
15538         * config/rs6000/rs6000.md (UNSPEC_FCTIW): New unspec constants.
15539         (UNSPEC_FCTID): Ditto.
15540         (UNSPEC_LFIWAX): Ditto.
15541         (UNSPEC_LFIWZX): Ditto.
15542         (UNSPEC_FCTIWUZ): Ditto.
15543         (rreg): Use correct constraints.
15544         (SI_CONVERT_FP): New mode attribute for floating point conversion
15545         tests.
15546         (E500_CONVERT): Ditto.
15547         (lfiwax): New insns for converting from integer to floating point
15548         utilizing newer instructions.  Attempt to optimize conversions
15549         that come from memory so that we don't load the value into a GPR,
15550         spill it to the stack and reload it into a FPR.
15551         (floatsi<mode>2_lfiwax): Ditto.
15552         (floatsi<mode>2_lfiwax_mem): Ditto.
15553         (floatsi<mode>2_lfiwax_mem2): Ditto.
15554         (lfiwzx): Ditto.
15555         (floatunssi<mode>2_lfiwzx): Ditto.
15556         (floatunssi<mode>2_lfiwzx_mem): Ditto.
15557         (floatunssi<mode>2_lfiwzx_mem2): Ditto.
15558         (floatdidf2_mem): Ditto.
15559         (floatunsdidf2_fcfidu): Ditto.
15560         (floatunsdidf2_mem): Ditto.
15561         (floatunsdisf2): Ditto.
15562         (floatunsdisf2_fcfidus): Ditto.
15563         (floatunsdisf2_mem): Ditto.
15564         (floatsidf2): Add support for LFIWAX/LFIWZX/FCFIDS/FCFIDU/FCFIDUS.
15565         Use FCFID on 32-bit hosts that support it.
15566         (floatsidf2_internal): Ditto.
15567         (floatunssisf2): Ditto.
15568         (floatunssidf2): Ditto.
15569         (floatunssidf2_internal): Ditto.
15570         (floatsisf2): Ditto.
15571         (floatdidf2): Ditto.
15572         (floatdidf2_fpr): Ditto.
15573         (floatunsdidf2): Ditto.
15574         (floatdisf2): Ditto.
15575         (floatdisf2_fcfids): Ditto.
15576         (floatdisf2_internal1): Ditto.
15577         (fixuns_truncsfsi2): Delete, merge into common pattern for both
15578         SF/DF.  Add power7 support.
15579         (fix_truncsfsi2): Ditto.
15580         (fixuns_truncdfsi2): Ditto.
15581         (fixuns_truncdfdi2): Ditto.
15582         (fix_truncdfsi2): Ditto.
15583         (fix_truncdfsi2_internal): Ditto.
15584         (fix_truncdfsi2_internal_gfxopt): Ditto.
15585         (fix_truncdfsi2_mfpgpr): Ditto.
15586         (fctiwz): Ditto.
15587         (btruncdf2): Ditto.
15588         (btruncdf2_fpr): Ditto.
15589         (btructsf2): Ditto.
15590         (ceildf2): Ditto.
15591         (ceildf2_fpr): Ditto.
15592         (ceilsf2): Ditto.
15593         (floordf2): Ditto.
15594         (floordf2_fpr): Ditto.
15595         (floorsf2): Ditto.
15596         (rounddf2): Ditto.
15597         (rounddf2_fpr): Ditto.
15598         (roundsf2): Ditto.
15599         (fix_trunc<mode>si2): Combine SF/DF conversion into one insn.
15600         (fix_trunc<mode>di2): Ditto.
15601         (fixuns_trunc<mode>si2): Ditto.
15602         (fixuns_trunc<mode>di2): Ditto.
15603         (fctiwz_<mode>): Ditto.
15604         (btrunc<mode>2): Ditto.
15605         (btrunc<mode>2_fpr): Ditto.
15606         (ceil<mode>2): Ditto.
15607         (ceil<mode>2_fpr): Ditto.
15608         (floor<mode>2): Ditto.
15609         (float<mode>2_fpr): Ditto.
15610         (round<mode>2): Ditto.
15611         (round<mode>2_fpr): Ditto.
15612         (fix_trunc<mode>si2_stfiwx): New insn for machines with STFIWX.
15613         (fixuns_trunc<mode>si2_stfiwx): Ditto.
15614         (fix_truncdfsi2_internal): Ditto.
15615         (fix_trunc<mode>si2_mem): Combiner pattern to eliminate storing
15616         converted value on stack, loaded into GPR, and then stored into
15617         the final destination.
15618         (fix_trunc<mode>di2_fctidz): New pattern for targets supporting
15619         FCTIDZ.
15620         (lrint<mode>di2): New insn, provide the lrint builtin functions.
15621         (ftruncdf2): Delete, unused.
15622         (fix_trunctfsi2_internal): Use gen_fctiwz_df, not gen_fctiwz.
15623
15624         * config/rs6000/vsx.md (toplevel): Update copyright year.
15625         (VSr2): Use "ws" contraint for DFmode, not "!r#r".
15626         (VSr3): Ditto.
15627
15628 2010-08-27  Basile Starynkevitch  <basile@starynkevitch.net>
15629             Jeremie Salvucci  <jeremie.salvucci@free.fr>
15630
15631         * gengtype.c (output_type_enum): Test the right union member.
15632
15633 2010-08-27  Uros Bizjak  <ubizjak@gmail.com>
15634
15635         PR target/41484
15636         * config/i386/sse.md (sse4_1_extendv8qiv8hi2): Also accept memory
15637         operands for operand 1.
15638         (sse4_1_extendv4qiv4si2): Ditto.
15639         (sse4_1_extendv2qiv2di2): Ditto.
15640         (sse4_1_extendv4hiv4si2): Ditto.
15641         (sse4_1_extendv2hiv2di2): Ditto.
15642         (sse4_1_extendv2siv2di2): Ditto.
15643         (sse4_1_zero_extendv8qiv8hi2): Ditto.
15644         (sse4_1_zero_extendv4qiv4si2): Ditto.
15645         (sse4_1_zero_extendv2qiv2di2): Ditto.
15646         (sse4_1_zero_extendv4hiv4si2): Ditto.
15647         (sse4_1_zero_extendv2hiv2di2): Ditto.
15648         (sse4_1_zero_extendv2siv2di2): Ditto.
15649         (*sse4_1_extendv8qiv8hi2): Remove insn pattern.
15650         (*sse4_1_extendv4qiv4si2): Ditto.
15651         (*sse4_1_extendv2qiv2di2): Ditto.
15652         (*sse4_1_extendv4hiv4si2): Ditto.
15653         (*sse4_1_extendv2hiv2di2): Ditto.
15654         (*sse4_1_extendv2siv2di2): Ditto.
15655         (*sse4_1_zero_extendv8qiv8hi2): Ditto.
15656         (*sse4_1_zero_extendv4qiv4si2): Ditto.
15657         (*sse4_1_zero_extendv2qiv2di2): Ditto.
15658         (*sse4_1_zero_extendv4hiv4si2): Ditto.
15659         (*sse4_1_zero_extendv2hiv2di2): Ditto.
15660         (*sse4_1_zero_extendv2siv2di2): Ditto.
15661
15662 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
15663
15664         * config/mips/mips-protos.h (mips_function_arg_advance): Delete
15665         (mips_function_arg): Delete.
15666         (mips_function_arg_boundary): Take a const_tree.
15667         * config/mips/mips.c (mips_function_arg_boundary): Likewise.
15668         (mips_arg_info): Likewise.
15669         (mips_setup_incoming_varargs): Call mips_function_arg_advance
15670         instead of FUNCTION_ARG_ADVANCE.
15671         (mips_function_arg_advance): Adjust prototype.  Make static.
15672         (mips_function_arg): Likewise.
15673         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15674         * config/mips/mips.h (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Delete.
15675
15676 2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>
15677
15678         * config/rs6000/rs6000.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
15679         * config/rs6000/rs6000-protos.h (function_arg_advance): Delete.
15680         (function_arg): Delete.
15681         (function_arg_boundary): Take a const_tree.
15682         * config/rs6000/rs6000.c (function_arg_boundary): Likewise.
15683         (rs6000_spe_function_arg): Likewise.
15684         (rs6000_parm_start): Likewise.
15685         (rs6000_arg_size): Likewise.
15686         (rs6000_darwin64_record_arg_advance_recurse): Likewise.
15687         (rs6000_darwin64_record_arg): Likewise.  Take a bool instead of an int.
15688         (rs6000_mixed_function_arg): Likewise.
15689         (function_arg): Rename to...
15690         (rs6000_function_arg): ...this.
15691         (function_arg_advance): Rename to...
15692         (rs6000_function_arg_advance_1): ...this
15693         (rs6000_function_arg_advance): New function.  Call it.
15694         (setup_incoming_varargs): Call rs6000_function_arg_advance_1.
15695         (rs6000_return_in_memory): Adjust call to rs6000_darwin64_record_arg.
15696         (rs6000_function_value): Likewise.
15697         (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
15698
15699 2010-08-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15700
15701         * config/arm/arm.md (enabled): Test the value of arch_enabled
15702         rather than just using it.
15703
15704 2010-08-27  Olivier Hainque  <hainque@adacore.com>
15705             Eric Botcazou  <ebotcazou@adacore.com>
15706
15707         * dse.c (group_info.base_mem, get_group_info): Use BLKmode to
15708         cover all the possible offsets from this base.
15709         (scan_reads_nospill): Pass base_mem's mode to canon_true_dependence.
15710
15711 2010-08-26  Jakub Jelinek  <jakub@redhat.com>
15712
15713         PR tree-optimization/44485
15714         * calls.c (flags_from_decl_or_type): For const or pure
15715         noreturn functions return ECF_LOOPING_CONST_OR_PURE|ECF_NORETURN
15716         together with ECF_CONST resp. ECF_PURE.
15717         * builtins.c (expand_builtin): Use flags_from_decl_or_type
15718         instead of querying flags directly.
15719         * tree-ssa-loop-niter.c (finite_loop_p): Likewise.
15720         * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.
15721
15722 2010-08-26  Richard Guenther  <rguenther@suse.de>
15723
15724         PR tree-optimization/45255
15725         * tree.c (decl_address_invariant_p): DECL_DLLIMPORT_P statics
15726         and externals are also invariant.
15727
15728 2010-08-25  Jakub Jelinek  <jakub@redhat.com>
15729
15730         PR rtl-optimization/44858
15731         * combine.c (try_combine): If recog_for_combine added CLOBBERs to
15732         newi2pat, make sure they don't affect newpat.
15733
15734         PR rtl-optimization/45400
15735         * combine.c (simplify_shift_const_1) <case SUBREG>: Only use
15736         SUBREG_REG if both modes are of MODE_INT class.
15737
15738 2010-08-25  Julian Brown  <julian@codesourcery.com>
15739
15740         * config/arm/arm.c (arm_issue_rate): Return 2 for Cortex-A5.
15741         * config/arm/arm.md (generic_sched): No for Cortex-A5.
15742         (generic_vfp): Likewise.
15743         (cortex-a5.md): Include.
15744         * config/arm/cortex-a5.md: New.
15745
15746 2010-08-25  Richard Guenther  <rguenther@suse.de>
15747
15748         * alias.c (get_alias_set): Assign a single alias-set to all pointers.
15749         * gimple.c (gimple_get_alias_set): Remove special handling
15750         for pointers.
15751
15752 2010-08-25  Bernd Schmidt  <bernds@codesourcery.com>
15753
15754         PR middle-end/45355
15755         * combine.c (try_combine): Use reg_overlap_mentioned_p rather than
15756         dead_or_set_p when computing i0_feeds_i2_n.
15757
15758         * combine.c (find_split_point): Undo canonicalization of multiply-add
15759         to (minus x (mult)) when it seems likely that this will increase the
15760         chances of a split.
15761
15762 2010-08-25  Richard Guenther  <rguenther@suse.de>
15763
15764         PR lto/44562
15765         * lto-streamer.c (lto_record_common_node): Do not mess with
15766         TYPE_CANONICAL when not in lto.
15767         * gimple.c (gimple_register_type): Likewise.
15768
15769 2010-08-25  Richard Guenther  <rguenther@suse.de>
15770
15771         PR tree-optimization/45316
15772         * tree-ssa-pre.c (eliminate): Properly clean EH info.
15773
15774 2010-08-25  Richard Guenther  <rguenther@suse.de>
15775
15776         PR tree-optimization/45393
15777         * tree-ssa-math-opts.c (execute_cse_sincos_1): Properly transfer
15778         and clean EH info.  Avoid SSA update.
15779         (execute_cse_sincos): Cleanup the CFG if it has changed.
15780
15781 2010-08-25  Richard Guenther  <rguenther@suse.de>
15782
15783         PR middle-end/45379
15784         * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle
15785         TARGET_MEM_REF in alignment computation.
15786
15787 2010-08-25  Jakub Jelinek  <jakub@redhat.com>
15788
15789         PR tree-optimization/45059
15790         * tree-ssa-reassoc.c (eliminate_redundant_comparison): Strip useless
15791         type conversions from newop{1,2}.  Assert t is a comparison and
15792         newop{1,2} after the stripping are gimple vals.
15793
15794 2010-08-25  Tejas Belagod  <tejas.belagod@arm.com>
15795
15796         * config/arm/iterators.md (VU, SE, V_widen_l): New.
15797         (V_unpack, US): New.
15798         * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Expansion for vmovl.
15799         (vec_unpack<US>_lo_<mode>): Likewise.
15800         (neon_vec_unpack<US>_hi_<mode>): Instruction pattern for vmovl.
15801         (neon_vec_unpack<US>_lo_<mode>): Likewise.
15802         (vec_widen_<US>mult_lo_<mode>): Expansion for vmull.
15803         (vec_widen_<US>mult_hi_<mode>): Likewise.
15804         (neon_vec_<US>mult_lo_<mode>"): Instruction pattern for vmull.
15805         (neon_vec_<US>mult_hi_<mode>"): Likewise.
15806         (neon_unpack<US>_<mode>): Widening move intermediate step for
15807         vectorizing without -mvectorize-with-neon-quad.
15808         (neon_vec_<US>mult_<mode>): Widening multiply intermediate step
15809         for vectorizing without -mvectorize-with-neon-quad.
15810         * config/arm/predicates.md (vect_par_constant_high): Check for
15811         high-half lanes of a vector.
15812         (vect_par_constant_low): Check for low-half lanes of a vector.
15813
15814 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
15815
15816         * tree-if-conv.c (struct ifc_dr): New.
15817         (IFC_DR): New.
15818         (DR_WRITTEN_AT_LEAST_ONCE): New.
15819         (DR_RW_UNCONDITIONALLY): New.
15820         (memref_read_or_written_unconditionally): Use the cached values
15821         when possible.
15822         (write_memref_written_at_least_once): Same.
15823         (if_convertible_loop_p): Initialize and free DR->aux fields.
15824
15825 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
15826
15827         * gimple.c (gimple_could_trap_p_1): Not static anymore.
15828         Pass an extra bool parameter include_mem.
15829         (gimple_could_trap_p): Adjust call to gimple_could_trap_p_1.
15830         (gimple_assign_rhs_could_trap_p): Same.
15831         * gimple.h (gimple_could_trap_p_1): Declared.
15832         * tree-data-ref.h (same_data_refs_base_objects): New.
15833         (same_data_refs): New.
15834         * tree-if-conv.c (memrefs_read_or_written_unconditionally): New.
15835         (write_memrefs_written_at_least_once): New.
15836         (ifcvt_memrefs_wont_trap): New.
15837         (operations_could_trap): New.
15838         (ifcvt_could_trap_p): New.
15839         (if_convertible_gimple_assign_stmt_p): Call ifcvt_could_trap_p.
15840         Gets a vector of data refs.
15841         (if_convertible_stmt_p): Same.
15842         (if_convertible_loop_p_1): New.
15843         (if_convertible_loop_p): Call if_convertible_loop_p_1.
15844
15845 2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>
15846
15847         * common.opt (ftree-loop-if-convert-stores): New flag.
15848         * doc/invoke.texi (ftree-loop-if-convert-stores): Documented.
15849         * tree-if-conv.c (ifc_temp_var): Pass an extra parameter GSI.  Insert
15850         the created statement before GSI.
15851         (if_convertible_phi_p): Allow virtual phi nodes when
15852         flag_loop_if_convert_stores is set.
15853         (if_convertible_gimple_assign_stmt_p): Allow memory reads and writes
15854         Do not handle types that do not match is_gimple_reg_type.
15855         Remove loop and bb parameters.  Call gimple_could_trap_p instead of
15856         when flag_loop_if_convert_stores is set, as LHS can contain
15857         memory refs.
15858         (if_convertible_stmt_p): Remove loop and bb parameters.  Update calls
15859         to if_convertible_gimple_assign_stmt_p.
15860         (if_convertible_loop_p): Update call to if_convertible_stmt_p.
15861         (replace_phi_with_cond_gimple_assign_stmt): Renamed
15862         predicate_scalar_phi.  Do not handle virtual phi nodes.
15863         (ifconvert_phi_nodes): Renamed predicate_all_scalar_phis.
15864         Call predicate_scalar_phi.
15865         (insert_gimplified_predicates): Insert the gimplified predicate of a BB
15866         just after the labels for flag_loop_if_convert_stores, otherwise
15867         insert the predicate in the end of the BB.
15868         (predicate_mem_writes): New.
15869         (combine_blocks): Call predicate_all_scalar_phis.  When
15870         flag_loop_if_convert_stores is set, call predicate_mem_writes.
15871         (tree_if_conversion): Call mark_sym_for_renaming when
15872         flag_loop_if_convert_stores is set.
15873         (main_tree_if_conversion): Return TODO_update_ssa_only_virtuals when
15874         flag_loop_if_convert_stores is set.
15875
15876 2010-08-24  Anatoly Sokolov  <aesok@post.ru>
15877
15878         * config/pa/pa.c (hppa_register_move_cost, pa_libcall_value,
15879         pa_function_value_regno_p, pa_print_operand_punct_valid_p): New.
15880         (pa_function_value): Make static.
15881         (override_options): Rename to...
15882         (pa_option_override): ...this. Make static.
15883         (TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_REGISTER_MOVE_COST,
15884         TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P,
15885         TARGET_OPTION_OVERRIDE): Define.
15886         * config/pa/pa.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P,
15887         LIBCALL_VALUE, REGISTER_MOVE_COST, PRINT_OPERAND_PUNCT_VALID_P):
15888         Remove.
15889         * config/pa/pa-protos.h (override_options): Remove.
15890
15891 2010-08-24  Richard Guenther  <rguenther@suse.de>
15892
15893         PR middle-end/45379
15894         * tree-ssa-address.c (create_mem_ref_raw): Drop to MEM_REF
15895         if addr->index is NULL or zero.
15896         * tree-ssa-alias.c (indirect_refs_may_alias_p): Handle
15897         TARGET_MEM_REF more properly.
15898         (indirect_ref_may_alias_decl_p): Likewise.
15899         * emit-rtl.c (set_mem_attributes_minus_bitpos): Keep TARGET_MEM_REFs.
15900         * alias.c (ao_ref_from_mem): Handle TARGET_MEM_REF more properly.
15901
15902 2010-08-23  Anatoly Sokolov  <aesok@post.ru>
15903
15904         * config/m32c/m32c.c (m32c_function_value_regno_p): Make static.
15905         (m32c_override_options): Rename to...
15906         (m32c_option_override): ...this. Make static.
15907         (TARGET_FUNCTION_VALUE_REGNO_P, TARGET_OPTION_OVERRIDE): Define.
15908         * config/m32c/m32c.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P):
15909         Remove.
15910         * config/m32c/m32c-protos.h (m32c_override_options,
15911         m32c_function_value_regno_p): Remove.
15912
15913 2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>
15914
15915         * tree-ssa-loop-prefetch.c (gather_memory_references_ref) :
15916         Fix a typo in a previous commit.
15917
15918 2010-08-23  Kai Tietz  <kai.tietz@onevision.com>
15919
15920         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost):
15921         Pre-initialize innerloop_iters to one.
15922
15923 2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>
15924
15925         * tree-flow.h (may_be_nonaddressable_p): New definition. Make the
15926         existing static function global.
15927
15928         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): This function
15929         is changed to global.
15930
15931         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Call
15932         may_be_nonaddressable_p on base, and don't collect this reference
15933         if the address of the base could not be taken.
15934
15935 2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
15936
15937         * config/rs6000/rs6000.opt (-mveclibabi=mass): New option to
15938         enable the compiler to autovectorize mathmetical functions for
15939         power7 using the Mathematical Acceleration Subsystem library.
15940
15941         * config/rs6000/rs6000.c (rs6000_veclib_handler): New variable to
15942         handle which vector math library we have.
15943         (rs6000_override_options): Add -mveclibabi=mass support.
15944         (rs6000_builtin_vectorized_libmass): New function to handle auto
15945         vectorizing math functions that are in the MASS library.
15946         (rs6000_builtin_vectorized_function): Call it.
15947
15948         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
15949         -mveclibabi=mass.
15950
15951 2010-08-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15952
15953         PR boehm-gc/34544
15954         * gthr-posix.h (__gthread_active_init): Delete.
15955         (__gthread_active_p): Do activity check here.
15956         Don't include errno.h on hppa-hpux.  Update comment.
15957         * gthr-posix95.h (__gthread_active_init): Delete.
15958         (__gthread_active_p): Do activity check here.
15959         Don't include errno.h on hppa-hpux.  Update comment.
15960         * config.gcc (hppa[12]*-*-hpux11*): Define extra_parts.
15961         * config/pa/pa64-hpux.h (LIB_SPEC): When -static is specified, only
15962         add -lpthread when -mt or -pthread is specified.
15963         * config/pa/pa-hpux11.h (LIB_SPEC): likewise.
15964         (LINK_GCC_C_SEQUENCE_SPEC): Define.
15965         * config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS): Define.
15966         (stublib.c, pthread_default_stacksize_np-stub.o,
15967         pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o,
15968         $(T)libgcc_stub.a): Add methods.
15969         * config/pa/t-pa64 (LIBGCCSTUB_OBJS): Add pthread stubs.
15970         (stublib.c, pthread_default_stacksize_np-stub.o,
15971         pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o): Add methods.
15972         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
15973         pthread_mutex_unlock): New stubs.
15974
15975 2010-08-22  Joseph Myers  <joseph@codesourcery.com>
15976
15977         * Makefile.in (gccspec.o, cppspec.o): Update dependencies.
15978         * common.opt (L, nodefaultlibs, nostdlib, pg, static): New
15979         options.
15980         * config/avr/avr.h (LIBSTDCXX): Remove initial "-l".
15981         * config/freebsd.h (MATH_LIBRARY_PROFILE): Remove initial "-l".
15982         * config/i386/djgpp.h (LIBSTDCXX): Remove initial "-l".
15983         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove initial "-l".
15984         * config/s390/tpf.h (MATH_LIBRARY, LIBSTDCXX): Remove initial
15985         "-l".
15986         * cppspec.c: Include opts.h.
15987         (lang_specific_driver): Use cl_decoded_option structures.
15988         * doc/tm.texi.in (MATH_LIBRARY): Update documentation.
15989         * doc/tm.texi: Regenerate.
15990         * gcc.c (translate_options): Translate -d to -foutput-class-dir=.
15991         (driver_handle_option): Allow driver options needing no special
15992         processing.
15993         (process_command): Decode options before call to
15994         lang_specific_driver.  Pass decoded options to
15995         lang_specific_driver.
15996         * gcc.h (lang_specific_driver): Update prototype.
15997         * gccspec.c: Include opts.h.
15998         (lang_specific_driver): Use cl_decoded_option structures.
15999         * opts-common.c (option_ok_for_language, generate_option,
16000         generate_option_input_file): New.
16001         (decode_cmdline_option): Use option_ok_for_language.
16002         (decode_cmdline_options_to_array): Use generate_option_input_file.
16003         (handle_generated_option): Use generate_option.
16004         * opts.h (generate_option, generate_option_input_file): Declare.
16005
16006 2010-08-22  Anatoly Sokolov  <aesok@post.ru>
16007
16008         * config/mips/mips.c (mips_override_options): Rename to...
16009         (mips_option_override): ...this. Make static.
16010         (TARGET_OPTION_OVERRIDE): Define.
16011         (mips_in_small_data_p): Update comment.
16012         * config/mips/mips.h (OVERRIDE_OPTIONS): Remove.
16013         (FIXED_REGISTERS): Update comment.
16014         * config/mips/mips-protos.h (mips_override_options): Remove.
16015
16016 2010-08-21  Olivier Hainque  <hainque@adacore.com>
16017
16018         * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Define __PPC__.
16019
16020 2010-08-21  Olivier Hainque  <hainque@adacore.com>
16021
16022         * config/rs6000/vxworks.h (PREFERRED_STACK_BOUNDARY,
16023         ABI_STACK_BOUNDARY): Ensure STACK_BOUNDARY is honored despite EABI.
16024
16025 2010-08-20  Jan Hubicka  <jh@suse.cz>
16026
16027         * tree-pass.h (pass_ipa_cdtor_merge): New function.
16028         * cgraphunit.c (static_ctors, static_dtors): Move to ipa.c; make
16029         heap allocated.
16030         (record_cdtor_fn): Move to ipa.c; do not test for
16031         have_ctors_dtors.
16032         (build_cdtor): Move to ipa.c; add code avoiding construction
16033         when target have ctors/dtors and there is only one ctor/dtor at given
16034         priority.
16035         (compare_ctor, compare_dtor): Move to ipa.c; use DECL_UID to stabilize
16036         sort; reverse order of constructors.
16037         (cgraph_build_cdtor_fns): Move to ipa.c; rename to build_cdtor_fns.
16038         (cgraph_finalize_function): Do not call record_cdtor_fn.
16039         (cgraph_finalize_compilation_unit): Do not call cgraph_build_cdtor_fns.
16040         (cgraph_build_static_cdtor): Move to ipa.c.
16041         * ipa.c: Include target.h and tree-iterator.h.
16042         (cgraph_build_static_cdtor, static_ctors, static_dtors,
16043         record_cdtor_fn, build_cdtor, compare_ctor, compare_dtor,
16044         build_cdtor_fns, ipa_cdtor_merge, gate_ipa_cdtor_merge,
16045         pass_ipa_cdtor_merge): New.
16046         * passes.c (init_optimization_passes): Enqueue pass_ipa_cdtor_merge.
16047         * ipa-prop.c (update_indirect_edges_after_inlining): Avoid out of
16048         bounds access.
16049
16050 2010-08-20  Jan Hubicka  <jh@suse.cz>
16051
16052         PR c++/45307
16053         PR c++/17736
16054         * cgraph.h (cgraph_only_called_directly_p,
16055         cgraph_can_remove_if_no_direct_calls_and_refs_p): Handle
16056         static cdtors.
16057         * cgraphunit.c (cgraph_decide_is_function_needed): Static cdtors
16058         are not needed.
16059         (cgraph_finalize_function): Static cdtors are reachable.
16060         (cgraph_mark_functions_to_output): Use cgraph_only_called_directly_p.
16061
16062 2010-08-20  Jan Hubicka  <jh@suse.cz>
16063
16064         * lto-cgraph.c (lto_output_edge): Use gimple_has_body_p instead of
16065         flag_wpa.
16066         * lto-streamer-out.c (lto_output): Likewise.
16067         * passes.c (ipa_write_optimization_summaries): Initialize statement
16068         uids.
16069
16070 2010-08-20  Olivier Hainque  <hainque@adacore.com>
16071
16072         * tree.h (alias_diag_flags): New enum.
16073         (alias_pair): Add an 'emitted_diags' field.
16074         * varasm.c (finish_aliases_1): Honor and update p->emitted_diags.
16075         (assemble_alias): Initialize emitted_diags of new pairs.
16076
16077 2010-08-20  Eric Botcazou  <ebotcazou@adacore.com>
16078
16079         * config/rs6000/aix.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
16080         * config/rs6000/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
16081         * config/rs6000/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
16082         (STACK_CHECK_PROTECT): Define.
16083         * config/rs6000/rs6000.c (rs6000_emit_probe_stack_range): New function.
16084         (output_probe_stack_range): Likewise.
16085         (rs6000_emit_prologue): Invoke rs6000_emit_probe_stack_range if static
16086         builtin stack checking is enabled.
16087         * config/rs6000/rs6000-protos.h (output_probe_stack_range): Declare.
16088         * config/rs6000/rs6000.md (UNSPECV_PROBE_STACK_RANGE): New constant.
16089         (probe_stack_range): New insn.
16090
16091 2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>
16092
16093         PR target/45336
16094         * config/i386/emmintrin.h (_mm_extract_epi16): Cast to unsigned
16095         short first.
16096
16097         * config/i386/smmintrin.h (_mm_extract_epi8): Cast to unsigned
16098         char first.
16099
16100 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
16101
16102         PR target/45336
16103         * config/i386/sse.md (*sse4_1_pextrb): Add SWI48 mode iterator
16104         to cover zero extension into 64-bit register.
16105         (*sse2_pextrw): Likewise.
16106         (*sse4_1_pextrd_zext): New insn.
16107
16108 2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>
16109
16110         revert r163410, partially revert r163267.
16111         * config/rs6000/darwin.h (LIB_SPEC): Remove.
16112         * config/darwin.h (REAL_LIBGCC_SPEC): Link lgcc for all
16113         Darwin versions.
16114
16115 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
16116
16117         PR middle-end/44974
16118         * builtins.c (expand_builtin): Don't optimize away
16119         calls to DECL_LOOPING_CONST_OR_PURE_P builtins.
16120
16121 2010-08-20  Uros Bizjak  <ubizjak@gmail.com>
16122
16123         * config/i386/i386.md (ashift %rsp splitter): Remove splitter.
16124         (pro_epilogue_adjust_stack_di_2): Use "l" constraint for
16125         alternative 1 of operand 2.
16126
16127 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
16128             Paolo Bonzini  <bonzini@gnu.org>
16129
16130         * simplify-rtx.c (simplify_unary_operation_1): Optimize
16131         (sign_extend (zero_extend (...)) and
16132         ({sign,zero}_extend (lshiftrt (ashift X (const_int I)) (const_int I))).
16133
16134 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
16135
16136         PR rtl-optimization/45353
16137         * sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
16138         after bb_note is a BARRIER.
16139
16140 2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>
16141
16142         * config/rs6000/darwin.h (LIB_SPEC): New. Provide saveFP/restFP by
16143         linking libgcc.a.
16144
16145 2010-08-20  Jakub Jelinek  <jakub@redhat.com>
16146             Michael Matz  <matz@suse.de>
16147
16148         * tree-ssa-address.c (tree_mem_ref_addr): Convert offset to sizetype.
16149
16150 2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>
16151
16152         * ggc-common.c (ggc_mark_root_tab): New function, split out from...
16153         (ggc_mark_roots): ...here.
16154
16155 2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>
16156
16157         * vec.h (FOR_EACH_VEC_ELT): Define.
16158         * c-decl.c: Use it.
16159         * cfgloop.c: Likewise.
16160         * cfgloopmanip.c: Likewise.
16161         * cgraph.c: Likewise.
16162         * cgraphunit.c: Likewise.
16163         * combine.c: Likewise.
16164         * config/bfin/bfin.c: Likewise.
16165         * config/mips/mips.c: Likewise.
16166         * config/rs6000/rs6000.c: Likewise.
16167         * dbxout.c: Likewise.
16168         * df-scan.c: Likewise.
16169         * dominance.c: Likewise.
16170         * dse.c: Likewise.
16171         * dwarf2out.c: Likewise.
16172         * except.c: Likewise.
16173         * expr.c: Likewise.
16174         * function.c: Likewise.
16175         * gcse.c: Likewise.
16176         * genattr.c: Likewise.
16177         * ggc-common.c: Likewise.
16178         * gimplify.c: Likewise.
16179         * graphite-blocking.c: Likewise.
16180         * graphite-clast-to-gimple.c: Likewise.
16181         * graphite-dependences.c: Likewise.
16182         * graphite-interchange.c: Likewise.
16183         * graphite-poly.c: Likewise.
16184         * graphite-scop-detection.c: Likewise.
16185         * graphite-sese-to-poly.c: Likewise.
16186         * graphite.c: Likewise.
16187         * haifa-sched.c: Likewise.
16188         * ifcvt.c: Likewise.
16189         * implicit-zee.c: Likewise.
16190         * ipa-prop.c: Likewise.
16191         * ipa-struct-reorg.c: Likewise.
16192         * ipa.c: Likewise.
16193         * ira-build.c: Likewise.
16194         * ira-color.c: Likewise.
16195         * ira-emit.c: Likewise.
16196         * lambda-code.c: Likewise.
16197         * loop-invariant.c: Likewise.
16198         * loop-unroll.c: Likewise.
16199         * lower-subreg.c: Likewise.
16200         * lto-cgraph.c: Likewise.
16201         * lto-opts.c: Likewise.
16202         * lto-streamer-in.c: Likewise.
16203         * lto-streamer-out.c: Likewise.
16204         * lto-streamer.c: Likewise.
16205         * lto-symtab.c: Likewise.
16206         * matrix-reorg.c: Likewise.
16207         * opts.c: Likewise.
16208         * predict.c: Likewise.
16209         * print-tree.c: Likewise.
16210         * sdbout.c: Likewise.
16211         * sel-sched-dump.c: Likewise.
16212         * sel-sched-ir.c: Likewise.
16213         * sel-sched.c: Likewise.
16214         * sese.c: Likewise.
16215         * stor-layout.c: Likewise.
16216         * tree-cfg.c: Likewise.
16217         * tree-cfgcleanup.c: Likewise.
16218         * tree-chrec.c: Likewise.
16219         * tree-data-ref.c: Likewise.
16220         * tree-emutls.c: Likewise.
16221         * tree-inline.c: Likewise.
16222         * tree-into-ssa.c: Likewise.
16223         * tree-loop-distribution.c: Likewise.
16224         * tree-loop-linear.c: Likewise.
16225         * tree-mudflap.c: Likewise.
16226         * tree-outof-ssa.c: Likewise.
16227         * tree-parloops.c: Likewise.
16228         * tree-predcom.c: Likewise.
16229         * tree-pretty-print.c: Likewise.
16230         * tree-scalar-evolution.c: Likewise.
16231         * tree-ssa-live.c: Likewise.
16232         * tree-ssa-loop-im.c: Likewise.
16233         * tree-ssa-loop-ivcanon.c: Likewise.
16234         * tree-ssa-loop-ivopts.c: Likewise.
16235         * tree-ssa-loop-manip.c: Likewise.
16236         * tree-ssa-loop-niter.c: Likewise.
16237         * tree-ssa-loop-prefetch.c: Likewise.
16238         * tree-ssa-phiprop.c: Likewise.
16239         * tree-ssa-pre.c: Likewise.
16240         * tree-ssa-reassoc.c: Likewise.
16241         * tree-ssa-sccvn.c: Likewise.
16242         * tree-ssa-structalias.c: Likewise.
16243         * tree-ssa.c: Likewise.
16244         * tree-vect-data-refs.c: Likewise.
16245         * tree-vect-loop-manip.c: Likewise.
16246         * tree-vect-loop.c: Likewise.
16247         * tree-vect-patterns.c: Likewise.
16248         * tree-vect-slp.c: Likewise.
16249         * tree-vect-stmts.c: Likewise.
16250         * tree-vrp.c: Likewise.
16251         * tree.c: Likewise.
16252         * value-prof.c: Likewise.
16253         * var-tracking.c: Likewise.
16254         * varasm.c: Likewise.
16255         * vmsdbgout.c: Likewise.
16256
16257 2010-08-19  Nathan Sidwell  <nathan@codesourcery.com>
16258             Richard Guenther  <richard.guenther@gmail.com>
16259
16260         * gimplify.c (gimplify_modify_expr): When assigning to volatiles,
16261         copy the src value and return a copy.
16262         * doc/extend.texi (Volatiles): Move from C++ to C and expand.
16263         (C++ Volatiles): Adjust to describe C++ semantics only.
16264
16265 2010-08-20  Joseph Myers  <joseph@codesourcery.com>
16266
16267         * doc/tm.texi.in (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Document to
16268         be zero or nonzero.
16269         * doc/tm.texi: Regenerate.
16270         * defaults.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define.
16271         * df-scan.c (df_get_exit_block_use_set), reginfo.c
16272         (init_reg_sets_1), rtlanal.c (rtx_unstable_p, rtx_varies_p):
16273         Handle new PIC_OFFSET_TABLE_REG_CALL_CLOBBERED semantics.
16274         * config/ia64/ia64.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define
16275         to 1.
16276
16277 2010-08-20  Olivier Hainque  <hainque@adacore.com>
16278
16279         * config/sparc/sparc.c (sparc_asm_function_epilogue): Don't output
16280         an extra nop past a sibling call at the very end.
16281
16282 2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>
16283
16284         PR bootstrap/45350
16285         * combine.c (try_combine): Initialize i1_is_used and i2_is_used.  Fix
16286         a comment.
16287
16288 2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>
16289
16290         * target.def (function_arg, function_incoming_arg): Remove const
16291         qualifier on CUMULATIVE_ARGS parameter.
16292         * targhooks.h (default_function_arg, default_function_incoming_arg):
16293         Likewise.
16294         * targhooks.c (default_function_arg, default_function_incoming_arg):
16295         Likewise.
16296         * config/i386/i386.c (ix86_function_arg): Likewise.
16297
16298 2010-08-19  Jakub Jelinek  <jakub@redhat.com>
16299
16300         PR target/45336
16301         * simplify-rtx.c (simplify_unary_operation_1): Optimize nested
16302         SIGN_EXTENDs or ZERO_EXTENDs.
16303
16304 2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>
16305
16306         PR target/42172
16307         * combine.c (combine_validate_cost): New arg I0.  All callers changed.
16308         Take its cost into account if nonnull.
16309         (insn_a_feeds_b): New static function.
16310         (combine_instructions): Look for four-insn combinations.
16311         (can_combine_p): New args PRED2, SUCC2.  All callers changed.  Take
16312         them into account when computing all_adjacent and looking for other
16313         uses.
16314         (combinable_i3pat): New args I0DEST, I0_NOT_IN_SRC.  All callers
16315         changed.  Treat them like I1DEST and I1_NOT_IN_SRC.
16316         (try_combine): New arg I0.  Handle four-insn combinations.
16317         (distribute_notes): New arg ELIM_I0.  All callers changed.  Treat it
16318         like ELIM_I1.
16319
16320 2010-08-19  Jason Merrill  <jason@redhat.com>
16321
16322         PR c++/45307
16323         * gimplify.c (gimplify_init_constructor): Just return GS_UNHANDLED
16324         if ctor is empty.
16325         (gimplify_modify_expr_rhs): Adjust.
16326
16327 2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>
16328
16329         * cfgloop.c (get_loop_body_in_bfs_order): Avoid redundant call to
16330         bitmap_bit_p.
16331         * config/bfin/bifn.c (bfin_discover_loop): Likewise.
16332         * dominance.c (iterate_fix_dominators): Likewise.
16333         * dse.c (set_usage_bits): Likewise.
16334         (set_position_unneeded, record_store): Likewise.
16335         * gimple-fold.c (get_maxval_strlen): Likewise.
16336         * haifa-sched.c (fix_inter_tick, fix_recovery_deps): Likewise.
16337         * ipa-inline.c (update_caller_keys): Likewise.
16338         * ipa-split.c (verify_non_ssa_vars): Likewise.
16339         * ipa-type-escape.c (mark_type, close_type_seen): Likewise.
16340         (close_type_exposed_parameter, close_type_full_escape): Likewise.
16341         (close_addressof_down): Likewise.
16342         * ira-color.c (assign_hard_reg, push_allocno_to_stack): Likewise.
16343         (setup_allocno_left_conflicts_size): Likewise.
16344         (ira_reassign_conflict_allocnos): Likewise.
16345         (ira_reassign_pseudos): Likewise.
16346         * ira-emit.c (change_loop): Likewise.
16347         * loop-invariant.c (mark_regno_live, mark_regno_death): Likewise.
16348         * lto-streamer-out.c (write_symbol): Likewise.
16349         * predict.c (expr_expected_value_1): Likewise.
16350         * regstat.c (regstat_bb_compute_ri): Likewise.
16351         * sel-sched.c (create_block_for_bookkeeping): Likewise.
16352         (track_scheduled_insns_and_blocks, sel_sched_region_1): Likewise.
16353         * stmt.c (expand_case): Likewise.
16354         * tree-eh.c (emit_eh_dispatch): Likewise.
16355         * tree-into-ssa.c (prune_unused_phi_nodes): Likewise.
16356         * tree-loop-distribution.c (make_nodes_having_upstream_mem_writes):
16357         Likewise.
16358         (rdg_flag_vertex, rdg_flag_loop_exits): Likewise.
16359         (rdg_build_components): Likewise.
16360         * tree-object-size.c (collect_object_sizes_for): Likewise.
16361         * tree-sra.c (convert_callers): Likewise.
16362         * tree-ssa-coalesce.c (live_track_add_partition): Likewise.
16363         * tree-ssa-live.c (mark_all_vars_used_1): Likewise.
16364         * tree-ssa-pre.c (bitmap_set_replace_value): Likewise.
16365
16366 2010-08-19  Uros Bizjak  <ubizjak@gmail.com>
16367
16368         * config/i386/i386.md (*lea_1): Use P mode iterator.
16369         (lea add splitter): Also handle DImode operands.
16370         (DImode lea add splitter): Use x86_64_immediate_operand for operand 2
16371         predicate.  Do not use ix86_lea_for_add_ok.
16372         (zext DImode lea add splitter): Use ix86_lea_for_add_ok.
16373         (lea ashift splitter): Also handle DImode operands.
16374         (DImode lea ashift splitter): Remove splitter.
16375
16376 2010-08-19  Uros Bizjak  <ubizjak@gmail.com>
16377
16378         * config/i386/i386.md (*add<SWI:mode>3_cconly_overflow): Do not use
16379         ix86_binary_operator_ok.
16380
16381 2010-08-19  Andrey Belevantsev  <abel@ispras.ru>
16382
16383         PR rtl-optimization/44691
16384         * sel-sched.c (count_occurrences_1): Also punt when SUBREG_REG
16385         is not a register.
16386
16387 2010-08-19  Ian Bolton  <ian.bolton@arm.com>
16388
16389         PR target/45070
16390         * config/arm/arm.c (arm_output_epilogue): Ensure that return
16391          value of size 1-3 is handled correctly.
16392
16393 2010-08-19  Ian Bolton  <ian.bolton@arm.com>
16394
16395         * tree-switch-conversion.c (gen_inbound_check): Ensure that the
16396         type for the conditional has wide enough range.
16397
16398 2010-08-18  Uros Bizjak  <ubizjak@gmail.com>
16399
16400         PR target/45327
16401         * config/i386/i386.md (<any_or:code><SWI:mode>_3): Do not use
16402         ix86_binary_operator_ok.
16403
16404 2010-08-18  Uros Bizjak  <ubizjak@gmail.com>
16405
16406         * config/i386/i386.md (*add<mode>_1) <TYPE_LEA>: Split insn to lea.
16407         <default>:  Swap operands 1 and 2 for alternative 2 to use existing
16408         code to output insn mnemonic.  Fix comment.
16409         (*addsi_1_zext): Add r-r-0 alternative 1.
16410         <TYPE_LEA>: Split insn to lea.
16411         <default>: Handle alternative 1.
16412         (*addhi_1_lea): Add r-r-0 alternative 2.  Use cond RTX instead of
16413         multi-level if_then_else RTX to set "type" attribute.
16414         <default>: Handle alternative 2.
16415         (*addqi_1_lea): Add q-q-0 alternative 2 and r-r-0 alternative 4.
16416         Use cond RTX instead of multi-level if_then_else RTX to set
16417         "type" attribute.
16418         <default>: Handle alternatives 2 and 4.
16419         (lea splitters): Update calls to ix86_lea_for_add_ok.
16420
16421         * config/i386/i386.c (ix86_lea_for_add_ok): Remove unused "code"
16422         argument.
16423         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Update prototype.
16424
16425 2010-08-18  Richard Guenther  <rguenther@suse.de>
16426
16427         * tree-ssa-uninit.c (find_uninit_use): Disregard debug stmts,
16428         use operand helpers.
16429
16430 2010-08-18  Paolo Bonzini  <bonzini@gnu.org>
16431
16432         PR middle-end/45292
16433         * optabs.c (expand_bool_compare_and_swap): Expand pending
16434         pops before trying the optab.
16435
16436 2010-08-18  Yao Qi  <yao@codesourcery.com>
16437
16438         PR target/45094
16439         * config/arm/arm.c (output_move_double): Fix typo generating
16440         instructions ('ldr'->'str').
16441
16442 2010-08-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
16443
16444         PR rtl-optimization/42575
16445         * optabs.c (expand_doubleword_mult): Generate new pseudos to shorten
16446         live ranges.
16447
16448 2010-08-18  Marcus Shawcroft  <marcus.shawcroft@arm.com>
16449
16450         * config/arm/arm-protos.h (arm_expand_sync): New.
16451         (arm_output_memory_barrier, arm_output_sync_insn): New.
16452         (arm_sync_loop_insns): New.
16453         * config/arm/arm.c (FL_ARCH7): New.
16454         (FL_FOR_ARCH7): Include FL_ARCH7.
16455         (arm_arch7): New.
16456         (arm_print_operand): Support %C markup.
16457         (arm_legitimize_sync_memory): New.
16458         (arm_emit, arm_insn_count, arm_count, arm_output_asm_insn): New.
16459         (arm_process_output_memory_barrier, arm_output_memory_barrier): New.
16460         (arm_ldrex_suffix, arm_output_ldrex, arm_output_strex): New.
16461         (arm_output_op2, arm_output_op3, arm_output_sync_loop): New.
16462         (arm_get_sync_operand, FETCH_SYNC_OPERAND): New.
16463         (arm_process_output_sync_insn, arm_output_sync_insn): New.
16464         (arm_sync_loop_insns,arm_call_generator, arm_expand_sync): New.
16465         * config/arm/arm.h (struct arm_sync_generator): New.
16466         (TARGET_HAVE_DMB, TARGET_HAVE_DMB_MCR): New.
16467         (TARGET_HAVE_MEMORY_BARRIER): New.
16468         (TARGET_HAVE_LDREX, TARGET_HAVE_LDREXBHD): New.
16469         * config/arm/arm.md: Include sync.md.
16470         (UNSPEC_MEMORY_BARRIER): New.
16471         (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK): New.
16472         (VUNSPEC_SYNC_OP):New.
16473         (VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): New.
16474         (sync_result, sync_memory, sync_required_value): New attributes.
16475         (sync_new_value, sync_t1, sync_t2): Likewise.
16476         (sync_release_barrier, sync_op): Likewise.
16477         (length): Add logic to length attribute defintion to call
16478         arm_sync_loop_insns when appropriate.
16479         * config/arm/sync.md: New file.
16480
16481 2010-08-17  Jakub Jelinek  <jakub@redhat.com>
16482
16483         * tree.h (host_integerp): Add ATTRIBUTE_PURE when not
16484         ENABLE_TREE_CHECKING.
16485         (tree_low_cst): Add inline version for !ENABLE_TREE_CHECKING
16486         and GCC >= 4.3.
16487
16488 2010-08-17  H.J. Lu  <hongjiu.lu@intel.com>
16489
16490         * config/i386/i386.c (ix86_lea_for_add_ok): For !TARGET_OPT_AGU
16491         or optimizing for size, always avoid lea if possible.
16492
16493         * config/i386/i386.md (*add<mode>_1): Always avoid lea if possible.
16494
16495 2010-08-17  Iain Sandoe  <iains@gcc.gnu.org>
16496
16497         * unwind-dw2-fde-darwin.c (_darwin10_Unwind_FindEnclosingFunction):
16498         Dunmmy function with NULL return unless the target is
16499         OSX >= 10.6 (Darwin10).
16500
16501 2010-08-17  Jack Howarth  <howarth@bromo.med.uc.edu>
16502
16503         * gcc.c (spec_function): Add remove-outfile.
16504         (remove_outfile_spec_function): New function.
16505         * config/darwin.h (LINK_SPEC): Add removal of -ldl, -lm and -lpthread.
16506         * invoke.texi (replace-outfile): Document.
16507
16508 2010-08-17  Uros Bizjak  <ubizjak@gmail.com>
16509
16510         PR target/45296
16511         * reginfo.c (globalize_reg): Reject stack registers.
16512
16513 2010-08-17  Richard Guenther  <rguenther@suse.de>
16514
16515         * tree-ssa-dom.c (struct edge_info): Use a VEC for the
16516         list of conditional equivalences.
16517         (free_all_edge_infos): Adjust.
16518         (record_equivalences_from_incoming_edge): Likewise.
16519         (record_cond): Likewise.
16520         (build_and_record_new_cond): Likewise.
16521         (record_conditions): Likewise.
16522         (dom_opt_leave_block): Likewise.
16523
16524 2010-08-17  Kai Tietz  <kai.tietz@onevision.com>
16525
16526         * doc/invoke.texi (ms-extension): Add documentation.
16527
16528 2010-08-17  Richard Guenther  <rguenther@suse.de>
16529
16530         * fold-const.c (fold_comparison): Strip nops inside POINTER_PLUS_EXPR.
16531
16532 2010-08-17  Shujing Zhao  <pearly.zhao@oracle.com>
16533
16534         PR c/40563
16535         * c-decl.c (diagnose_uninitialized_cst_member): New function.
16536         (finish_decl): Use it to issue a -Wc++-compat warning about
16537         uninitialized const field in struct or union.
16538
16539         (finish_struct): Use strip_array_types.
16540
16541 2010-08-17  Jakub Jelinek  <jakub@redhat.com>
16542
16543         * function.c (block_fragments_nreverse, blocks_nreverse_all): New
16544         functions.
16545         (reorder_blocks): Use blocks_nreverse_all instead of blocks_nreverse.
16546         (reorder_blocks_1): Assert BLOCK_FRAGMENT_ORIGIN is NULL.  Don't
16547         call block_nreverse here.
16548         (blocks_nreverse): Rename decl temporary to block.
16549
16550 2010-08-16  Bernd Schmidt  <bernds@codesourcery.com>
16551
16552         * config/arm/thumb2.md (thumb2_notsi_shiftsi,
16553         thumbsi_notsi_shiftsi_compare0, thumb2_not_shiftsi_compare0_scratch,
16554         thumb2_cmpsi_shiftsi, thumb2_cmpsi_shiftsi_swp, thumb2_arith_shiftsi,
16555         thumb2_arith_shiftsi splitter, thumb2_arith_shiftsi_compare0,
16556         thumb2_arith_shiftsi_compare0_scratch, thumb2_sub_shiftsi,
16557         thumb2_sub_shiftsi_compare0, thumb2_sub_shiftsi_compare0_scratch,
16558         thumb2_iorsi3): Delete.
16559         (orsi_notsi_si): No longer a named pattern.
16560         (orsi_not_shiftsi_si): Renamed from thumb_orsi_not_shiftsi_si.
16561         * config/arm/predicates.md (shift_amount_operand): New.
16562         (mult_operator): New.
16563         * config/arm/arm.md (attr arch, attr arch_enabled, attr insn_enabled,
16564         attr enabled): New.
16565         (iorsi3_insn): Renamed from arm_iorsi3.  Handle a new alternative if
16566         arch matches t2.
16567         (not_shiftsi): Renamed from arm_notsi_shiftsi.  Handle Thumb2 variant.
16568         (not_shiftsi_compare0): Likewise, renamed from
16569         arm_notsi_shiftsi_compare0.
16570         (not_shiftsi_compare0_scratch): Likweise, renamed from
16571         arm_notsi_shiftsi_compare0_scratch.
16572         (cmpsi_shiftsi): Likewise, renamed from arm_cmpsi_shiftsi.
16573         (cmpsi_shiftsi_swp): Likewise, renamed from arm_cmpsi_shiftsi_swp.
16574         (arith_shiftsi): Handle Thumb2 variant.  Set insn_enabled attribute
16575         so that the register alternative is disabled when the shift_operator
16576         is MULT.  Use "M" as the constraint for constants.
16577         (arith_shiftsi splitter): Enable for TARGET_32BIT.
16578         (arith_shiftsi_compare0): Handle Thumb2 variant.  Use "M" as the
16579         constraint for constants.
16580         (arith_shiftsi_compare0_scratch): Likewise.
16581         (sub_shiftsi, sub_shiftsi_compare0, sub_shiftsi_compare0_scratch):
16582         Handle Thumb2 alternative.
16583
16584 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
16585
16586         * doc/options.texi (NoDriverArg): Document.
16587         * gcc.c (cpp_unique_options): Generate -MD and -MMD instead of
16588         -MDX and -MMDX.
16589         * opt-functions.awk (switch_flags): Handle NoDriverArg.
16590         * opts-common.c (decode_cmdline_option): Ignore CL_SEPARATE
16591         marking for CL_NO_DRIVER_ARG options when in the driver.
16592         * opts.h (CL_NO_DRIVER_ARG): Define.
16593         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
16594         CL_COMMON): Update values.
16595
16596 2010-08-16  Joseph Myers  <joseph@codesourcery.com>
16597
16598         * common.opt: Add driver options.
16599         (auxbase, auxbase-strip, quiet, version): Mark RejectDriver.
16600         * doc/options.texi (Driver, RejectDriver): Document.
16601         * gcc.c (pass_exit_codes, print_search_dirs, print_file_name,
16602         print_prog_name, print_multi_directory, print_sysroot,
16603         print_multi_os_directory, print_multi_lib,
16604         print_sysroot_headers_suffix, report_times, combine_flag,
16605         use_pipes, wrapper_string): Remove.
16606         (save_switch, driver_unknown_option_callback,
16607         driver_wrong_lang_callback, driver_post_handling_callback,
16608         driver_handle_option): New.
16609         (spec_lang, last_language_n_infiles): Make file-scope static
16610         instead of local to process_command.
16611         (process_command): Use decode_cmdline_options_to_array and
16612         read_cmdline_option for option processing.  Compute have_c in
16613         prescan of decoded options.
16614         * opt-functions.awk (switch_flags): Handle Driver and
16615         RejectDriver.
16616         (var_type, var_type_struct): Handle Separate options as generating
16617         const char * variables.
16618         * opts-common.c (decode_cmdline_option): Expect CL_COMMON and
16619         CL_TARGET to be passed by caller if required.
16620         (decode_cmdline_options_to_array): Update comment.
16621         * opts.c (complain_wrong_lang): Handle options only valid for the
16622         driver.
16623         (decode_options): Update call to decode_cmdline_options_to_array.
16624         (print_filtered_help): Ignore driver-only options.
16625         (print_specific_help): Ignore CL_DRIVER.
16626         (common_handle_option): Don't call print_specific_help for CL_DRIVER.
16627         * opts.h (CL_DRIVER, CL_REJECT_DRIVER): Define.
16628         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET, CL_COMMON):
16629         Update values.
16630
16631 2010-08-16  Richard Guenther  <rguenther@suse.de>
16632
16633         * tree-cfg.c (verify_types_in_gimple_reference): Verify
16634         TARGET_MEM_REF a bit.
16635         * tree-ssa-address.c (addr_for_mem_ref): Adjust.
16636         (create_mem_ref_raw): Always create TMR_OFFSET, store the
16637         alias pointer type via it.
16638         (copy_mem_ref_info): Adjust.
16639         (maybe_fold_tmr): Likewise.
16640         * tree.c (mem_ref_offset): Also handle TARGET_MEM_REF.
16641         (reference_alias_ptr_type): Likewise.
16642         * tree.def (TARGET_MEM_REF): Remove TMR_ORIGINAL operand,
16643         adjust documentation of TMR_OFFSET operand.
16644         * alias.c (get_alias_set): Do not look at TMR_ORIGINAL but
16645         use the alias pointer type.
16646         * expr.c (expand_expr_real_1): Do not use TMR_ORIGINAL to
16647         initialize mem attrs but the TMR itself.
16648         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REF
16649         similar to MEM_REF.
16650         * tree-pretty-print.c (dump_generic_node): Do not dump TMR_ORIGINAL.
16651         * tree-ssa-loop-ivopts.c (idx_remove_ssa_names): Remove.
16652         (unshare_and_remove_ssa_names): Likewise.
16653         (copy_ref_info): Adjust.
16654         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Simplify
16655         TARGET_MEM_REF case.
16656         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Do not look
16657         at TMR_ORIGINAL.
16658         * tree.h (TMR_ORIGINAL): Remove.
16659         * gimple.c (get_base_address): For TARGET_MEM_REF with a
16660         symbol return that.
16661         * tree-dfa.c (get_ref_base_and_extent): Handle TARGET_MEM_REF
16662         with a symbol.
16663         (get_addr_base_and_unit_offset): Likewise.
16664         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Handle
16665         TARGET_MEM_REFs.
16666         (indirect_ref_may_alias_decl_p): Likewise.
16667         (refs_may_alias_p_1): Do not bail out for TARGET_MEM_REFs.
16668
16669 2010-08-15  Uros Bizjak  <ubizjak@gmail.com>
16670
16671         * doc/invoke.texi (-fomit-frame-pointer): Document that starting
16672         with GCC version 4.6, the default setting (when not optimizing
16673         for size) for 32-bit Linux x86 and 32-bit Darwin x86 targets has
16674         been changed to -fomit-frame-pointer.
16675
16676 2010-08-15  Iain Sandoe  <iains@gcc.gnu.org>
16677
16678         * config/darwin.h (REAL_LIBGCC_SPEC): Remove libgcc_s.10.5 stub for
16679         Darwin10.  Do not link libgcc.a for Darwin >= 9.
16680
16681 2010-08-15  Gerald Pfeifer  <gerald@pfeifer.com>
16682
16683         * doc/invoke.texi (Warning Options): Fix terminology and markup
16684         in the description of how unknown warning options are handled.
16685
16686 2010-08-15  Ira Rosen  <irar@il.ibm.com>
16687
16688         * tree-vect-data-refs.c (vect_setup_realignment): Support realignment
16689         in basic blocks.
16690         (vect_supportable_dr_alignment): Check alignment for basic blocks.
16691         * tree-vect-slp.c (vect_build_slp_tree): Allow different codes for
16692         data references.
16693         (vect_bb_vectorization_profitable_p): New function.
16694         (vect_slp_analyze_bb): Call vect_bb_vectorization_profitable_p() to
16695         check if it's worthwhile to vectorize the basic block.
16696
16697 2010-08-14  Anatoly Sokolov  <aesok@post.ru>
16698
16699         * reload.h (register_move_cost, memory_move_secondary_cost,
16700         secondary_reload_class): Adjust prototype.
16701         * rtl.h (reg_class_subset_p): Adjust prototype.
16702         * reload.c (secondary_reload_class): Change arguments type from
16703         enum reg_class to reg_class_t. Change result type to reg_class_t.
16704         * reginfo.c (register_move_cost, reg_class_subset_p): Change
16705         arguments type from enum reg_class to reg_class_t.
16706         (memory_move_secondary_cost): Change arguments type from
16707         enum reg_class to reg_class_t. Change type of saved_flags to
16708         reg_class_t.
16709
16710         * config/mips/mips.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
16711         Remove macros.
16712         (mips_cost): Remove.
16713         (struct mips_rtx_cost_data): Moved to mips.c.
16714         * config/mips/mips-protos.h (mips_register_move_cost): Remove.
16715         * config/mips/mips.c (struct mips_rtx_cost_data): Moved from mips.h.
16716         (mips_cost): Make static.
16717         (mips_canonicalize_move_class): Change argument type to reg_class_t.
16718         Change result type to reg_class_t.
16719         (mips_move_to_gpr_cost, mips_move_from_gpr_cost): Change arguments
16720         type from enum reg_class to reg_class_t.
16721         (mips_register_move_cost): Make static. Change arguments
16722         type from enum reg_class to reg_class_t.
16723         (mips_memory_move_cost): New function.
16724         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
16725
16726 2010-08-14  Richard Sandiford  <rdsandiford@googlemail.com>
16727
16728         PR rtl-optimization/43358
16729         * ira-lives.c (process_single_reg_class_operands): Adjust the costs
16730         of a single hard register, using simplify_subreg_regno to decide
16731         what that register should be.
16732
16733 2010-08-14  Mingjie Xing  <mingjie.xing@gmail.com>
16734
16735         * config/mips/mips.c (CODE_FOR_loongson_pmullh): Define.
16736         * config/mips/loongson.md (UNSPEC_LOONGSON_PMULL): Delete.
16737         (loongson_pmull<V_suffix>): Rename to...
16738         (mul<mode>3): ...this and use MULT instead of an UNSPEC.
16739
16740 2010-08-13  Jack Howarth  <howarth@bromo.med.uc.edu>
16741
16742         * configure.ac: Enable -fomit-frame-pointer on darwin
16743         which support dwarf2.
16744         * config/i386/i386.c (override_options): Same.
16745
16746 2010-08-13  Jie Zhang  <jie@codesourcery.com>
16747
16748         * config/arm/arm.md (cstoredf4): Only valid when !TARGET_VFP_SINGLE.
16749
16750 2010-08-12  Joseph Myers  <joseph@codesourcery.com>
16751
16752         * gcc.c (cpp_unique_options): Generate -MDX and -MMDX from -MD and
16753         -MMD.
16754
16755 2010-08-12  Changpeng Fang  <changpeng.fang@amd.com>
16756
16757         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Give
16758         up dot_prod pattern searching if a stmt is outside the loop.
16759
16760 2010-08-12  H.J. Lu  <hongjiu.lu@intel.com>
16761             Uros Bizjak  <ubizjak@gmail.com>
16762
16763         * config.gcc: Handle --enable-frame-pointer.
16764
16765         * configure.ac: Add --enable-frame-pointer.
16766         * configure: Regenerated.
16767
16768         * config/i386/i386.c (USE_IX86_FRAME_POINTER): Default to 0.
16769         (override_options): If not configured with --enable-frame-pointer,
16770         enable -fomit-frame-pointer (but not for TARGET_MACHO or when
16771         optimizing for size), -fasynchronous-unwind-tables and
16772         -maccumulate-outgoing-args by default.
16773
16774 2010-08-12  Jakub Jelinek  <jakub@redhat.com>
16775
16776         * builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning.
16777
16778         PR middle-end/45262
16779         * fold-const.c (make_range) <case NEGATE_EXPR>: Punt if
16780         -a overflows.  Normalize the range.
16781
16782 2010-08-12  Richard Guenther  <rguenther@suse.de>
16783
16784         PR tree-optimization/45232
16785         * tree-ssa-reassoc.c (can_reassociate_p): Disable re-association
16786         for types with undefined overflow.
16787         (reassociate_bb): Allow re-associating of bit and min/max
16788         operations for types with undefined overflow.
16789         * tree-ssa-forwprop.c (associate_plusminus): New function.
16790         (tree_ssa_forward_propagate_single_use_vars): Call it.
16791
16792 2010-08-12  Richard Guenther  <rguenther@suse.de>
16793
16794         * tree-flow.h (struct ptr_info_def): Add align and misalign fields.
16795         * tree-ssa-alias.c (get_ptr_info): Move ...
16796         * tree-ssanames.c (get_ptr_info): ... here.  Initialize
16797         align and misalign fields conservatively.
16798         * tree-ssa-ccp.c (ccp_finalize): From partially constant pointers
16799         derive alignment information.
16800         (evaluate_stmt): Derive alignment information from memory
16801         allocation functions.
16802         * tree.h (get_pointer_alignment): Make unsigned.
16803         * builtins.c (get_object_alignment): Use alignment information we
16804         have computed for pointers.
16805         (get_pointer_alignment): Likewise.  Make conservative, return
16806         and unsigned value.
16807         (expand_builtin_strlen): Adjust.
16808         (expand_builtin_memcmp): Likewise.
16809         (expand_builtin_strcmp): Likewise.
16810         (expand_builtin_strncmp): Likewise.
16811         (get_builtin_sync_mem): Use at least mode alignment.
16812         (fold_builtin_memset): Adjust.
16813         (fold_builtin_memory_op): Likewise.
16814         * gimple-pretty-print.c (dump_gimple_phi): Alongside alias
16815         information also dump pointer alignment knowledge.
16816         (dump_gimple_stmt): Likewise.
16817
16818 2010-08-12  Uros Bizjak  <ubizjak@gmail.com>
16819
16820         * config/i386/i386.c (LONG_TYPE_SIZE): Remove.
16821         (EMPTY_FIELD_BOUNDARY): Remove.
16822         * config/i386/i386-interix.h (PCC_BITFIELD_TYPE_MATTERS): Remove.
16823
16824 2010-08-12  Jakub Jelinek  <jakub@redhat.com>
16825
16826         PR debug/45259
16827         * caller-save.c (save_call_clobbered_regs): Only swap notes with
16828         DEBUG_INSNs if n_regs_saved.
16829
16830 2010-08-12  Wei Guozhi  <carrot@google.com>
16831
16832         PR target/44999
16833         * config/arm/arm.md (andsi3): Change to zero extension if possible.
16834         * config/arm/thumb2.md (thumb2_zero_extendqisi2_v6): Change the name.
16835
16836 2010-08-11  Vladimir Makarov  <vmakarov@redhat.com>
16837
16838         * ira-int.h (ira_remove_allocno_copy_from_list): Remove.
16839
16840         * ira-build.c (ira_remove_allocno_copy_from_list): Remove.
16841
16842 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
16843
16844         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
16845         the case removed in the previous patch, when the only phi argument
16846         is defined in the same loop as the phi node itself.  Handle it
16847         separately from the invariant case by both propagating it outside
16848         the region and replacing the phi node with an assign.
16849
16850 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
16851
16852         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
16853         constant phi nodes with one argument are is_gimple_min_invariant
16854         and SSA_NAME_IS_DEFAULT_DEF.
16855
16856 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
16857
16858         * graphite-cloog-util.c (oppose_constraint):
16859         Extend loop counter's value range (CLOOG_ORG).
16860         (cloog_matrix_to_ppl_constraint): Same.
16861         (new_Constraint_System_from_Cloog_matrix): Same.
16862         * graphite-cloog-compat.h (matrix_num_type): New.
16863
16864 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
16865
16866         * graphite.c (graphite_initialize): Do not initialize
16867         CLooG and initialize the Parma Polyhedra Library
16868         manually when using CLOOG_ORG.
16869         (graphite_finalize): Do not finalize CLooG and finalize
16870         the Parma Polyhedra Library manually when using CLOOG_ORG.
16871         * graphite-cloog-compat.h (cloog_initialize): Hide function
16872         when using CLOOG_ORG.
16873         (cloog_finalize): Same.
16874
16875 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
16876
16877         * graphite-clast-to-gimple.c (free_scattering): Change
16878         CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
16879         (CLOOG_ORG).
16880         (build_cloog_prog): Same.
16881         * graphite-cloog-compat.h (cloog_domain): Removed.
16882         (cloog_scattering): New.
16883         (cloog_set_domain): Removed.
16884         (cloog_set_scattering): New.
16885         (cloog_next_domain): Removed.
16886         (cloog_next_scattering): New.
16887         (cloog_set_next_domain): Removed.
16888         (cloog_set_next_scattering): New.
16889         (CloogScatteringList): New.
16890         (CloogScattering): New.
16891         (cloog_scattering_free): New.
16892         (new_Cloog_Scattering_from_ppl_Polyhedron): New.
16893         * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
16894         New.
16895
16896 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
16897
16898         * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
16899         CloogState.
16900         (set_cloog_options): Same.
16901         (print_clast_stmt): Same.
16902         (scop_to_clast): Same.
16903         (print_generated_program): Same.
16904         (gloog): Same.
16905         * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
16906         (scop_to_clast): Extend with CloogState.
16907         * graphite-cloog-util.c: Include graphite-cloog-compat.h
16908         (new_Cloog_Domain_from_ppl_Polyhedron):
16909         Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
16910         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
16911         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
16912         * graphite-cloog-util.h (build_cloog_prog): Same.
16913         * graphite-cloog-copat.h (build_cloog_prog): New.
16914         (CloogState): New.
16915         (cloog_state_malloc): New.
16916         (cloog_state_free): New.
16917         (cloog_loop_malloc): New.
16918         (cloog_options_malloc): New.
16919         (cloog_statement_alloc): New.
16920         (cloog_domain_from_cloog_matrix): New.
16921         (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
16922         (new_Cloog_Domain_from_ppl_Polyhedron): New.
16923
16924 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
16925
16926         * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
16927         type of NAME now depends on used CLooG version.
16928         (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
16929         (gcc_type_for_clast_expr): Same.
16930         (print_clast_stmt): Replace pprint with clast_pprint.
16931         * graphite-cloog-compat.h: Provide compatibility macros for
16932         CLooG Legacy.
16933         (clast_name_p): New.
16934         (clast_expr_term): New.
16935         (clast_expr_red): New.
16936         (clast_expr_bin): New.
16937         (clast_pprint): New.
16938
16939 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
16940
16941         * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
16942         compatible to newer CLooG releases (CLOOG_ORG).
16943         (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
16944         (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
16945         * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
16946         (build_cloog_prog) : New.
16947         (cloog_program_extract_scalars): New.
16948         (cloog_program_scatter): New.
16949
16950 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
16951
16952         * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
16953         conditionally (CLOOG_ORG).
16954         * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
16955         (cloog_statement_usr): New.
16956         (cloog_domain): Same.
16957         (cloog_set_domain): Same.
16958         (cloog_next_domain): Same.
16959         (cloog_set_next_domain): Same.
16960         (cloog_program_nb_scattdims): Same.
16961         (cloog_program_set_nb_scattdims): Same.
16962         (cloog_program_names): Same.
16963         (cloog_program_set_names): Same.
16964         (cloog_program_set_context): Same.
16965         (cloog_program_set_loop): Same.
16966         (cloog_program_blocklist): Same.
16967         (cloog_program_set_blocklist): Same.
16968         (cloog_program_scaldims): Same.
16969         (cloog_program_set_scaldims): Same.
16970         (cloog_names_nb_parameters): Same.
16971         (cloog_names_set_nb_parameters): Same.
16972         (cloog_names_parameters): Same.
16973         (cloog_names_set_parameters): Same.
16974         (cloog_names_set_nb_iterators): Same.
16975         (cloog_names_set_iterators): Same.
16976         (cloog_names_set_nb_scattering): Same.
16977         (cloog_names_set_scattering): Same.
16978         (cloog_statement_set_usr): Same.
16979         (cloog_loop_set_next): Same.
16980         (cloog_loop_set_domain): Same.
16981         (cloog_loop_set_block): Same.
16982         (cloog_block_list_next): Same.
16983         (cloog_block_list_set_next):
16984         (cloog_block_list_set_block): Same.
16985
16986 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
16987
16988         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
16989         a bool.
16990         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
16991         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
16992         (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
16993         when something has been changed.
16994         (rewrite_commutative_reductions_out_of_ssa): Same.
16995
16996 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
16997
16998         * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
16999         handle the case when def is in the sese region.
17000         (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
17001         for invariant expressions.
17002         (rewrite_cross_bb_phi_deps): Removed.
17003         (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
17004         (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
17005         rewrite_cross_bb_phi_deps.
17006
17007 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17008
17009         * graphite-sese-to-poly.c
17010         (rewrite_commutative_reductions_out_of_ssa_loop): Call
17011         scev_analyzable_p only on is_gimple_reg
17012
17013 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17014
17015         * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
17016         (rewrite_close_phi_out_of_ssa): Propagate constant values or
17017         parametric expressions outside the scop region.
17018         (rewrite_cross_bb_scalar_deps): Same.
17019         * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.
17020
17021 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17022
17023         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
17024         SSA_NAME_DEF_STMT only on SSA_NAMEs.
17025
17026 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17027
17028         * tree-scalar-evolution.c (instantiate_scev_name): Do not
17029         instantiate default definitions.
17030
17031 2010-08-11  Vladimir Kargov  <kargov@gmail.com>
17032             Sebastian Pop  <sebastian.pop@amd.com>
17033
17034         * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
17035         (loop_exits_from_bb_p): New.
17036         * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
17037         (loop_exits_from_bb_p): Declared.
17038         * graphite-scop-detection.c (scopdet_basic_block_info): Call
17039         loop_exits_to_bb_p.
17040
17041 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17042
17043         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
17044         extra parameter for the region.  Call scev_analyzable_p.
17045         (rewrite_reductions_out_of_ssa): Update call to
17046         rewrite_close_phi_out_of_ssa.
17047         (rewrite_cross_bb_phi_deps): Same.
17048         (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
17049         parameter for the region.  Call scev_analyzable_p.
17050         (rewrite_commutative_reductions_out_of_ssa): Update call to
17051         rewrite_commutative_reductions_out_of_ssa_loop.
17052
17053 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17054
17055         * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
17056
17057 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17058
17059         * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
17060         SSA scalar phi nodes that can be scev_analyzable_p.
17061
17062 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17063
17064         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
17065         handle SSA_NAME_IS_DEFAULT_DEF.
17066
17067 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17068
17069         * sese.c (rename_uses): Handl unconditionally gimple_debug statements.
17070
17071 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17072
17073         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
17074         case non close-phi nodes with one argument.
17075
17076 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17077
17078         * sese.h (scev_analyzable_p): Scevs could be expressions without
17079         chrecs and still be scev_analyzable_p.
17080
17081 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17082
17083         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
17084
17085 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17086
17087         * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
17088         * cfgloop.h (struct loop): Remove single_iv field.
17089         * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
17090         (scop_canonicalize_loops): Removed.
17091         (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
17092         over all the loop phi nodes in loop->header.
17093         (build_poly_scop): Remove use of scop_canonicalize_loops.
17094
17095 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17096
17097         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
17098         handle GIMPLE_CALL.
17099
17100 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17101
17102         * tree-chrec.c (chrec_apply): Should only apply to the specified
17103         variable.  Also handle multivariate chains of recurrences that
17104         satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.
17105
17106 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17107
17108         * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
17109         (debug_clast_name_indexes_1): Removed.
17110         (debug_clast_name_indexes): Removed.
17111         (pbb_to_depth_to_oldiv): Removed.
17112         (build_iv_mapping): Replace the use of rename_map with iv_map.
17113         (translate_clast_user): Remove uses of rename_map.  Allocate and
17114         free iv_map.
17115         (translate_clast_for_loop): Remove uses of rename_map.
17116         (translate_clast_for): Same.
17117         (translate_clast_guard): Same.
17118         (translate_clast): Same.
17119         (gloog): Same.
17120         * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
17121         * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
17122         * sese.c (set_rename): Now static.
17123         (rename_variables_in_stmt): Removed.
17124         (rename_uses): New.
17125         (is_parameter): Removed.
17126         (is_iv): Removed.
17127         (expand_scalar_variables_call): Removed.
17128         (expand_scalar_variables_ssa_name): Removed.
17129         (expand_scalar_variables_expr): Removed.
17130         (expand_scalar_variables_stmt): Removed.
17131         (expand_scalar_variables): Removed.
17132         (rename_variables): Removed.
17133         (remove_condition): Removed.
17134         (get_true_edge_from_guard_bb): Removed.
17135         (get_false_edge_from_guard_bb): Removed.
17136         (struct igp): Removed.
17137         (default_before_guard): Removed.
17138         (convert_for_phi_arg): Removed.
17139         (add_guard_exit_phis): Removed.
17140         (insert_guard_phis): Removed.
17141         (graphite_copy_stmts_from_block): Now also uses iv_map and a
17142         region.  Do not copy conditions.  Do not copy induction variables.
17143         Call rename_uses.
17144         (copy_bb_and_scalar_dependences): Allocate a local rename_map for
17145         the translated statement.  Use the iv_map for the induction
17146         variable renaming.
17147         * sese.h (copy_bb_and_scalar_dependences): Update declaration.
17148         (set_rename): Removed declaration.
17149         (scev_analyzable_p): ...here.
17150         * tree-chrec.c (chrec_apply_map): New.
17151         * tree-chrec.h (chrec_apply_map): Declared.
17152
17153 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17154
17155         * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
17156         insert_loop_close_phis.
17157         * sese.c (name_defined_in_loop_p): Removed.
17158         (expr_defined_in_loop_p): Removed.
17159         (alive_after_loop): Removed.
17160         (close_phi_not_yet_inserted_p): Removed.
17161         (struct alep): Removed.
17162         (add_loop_exit_phis): Removed.
17163         (insert_loop_close_phis): Removed.
17164
17165 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
17166
17167         * graphite-cloog-util.c
17168         (cloog_matrix_to_ppl_constraint): Fix flipped condition.
17169         * graphite-poly.c
17170         (psct_scattering_dim_for_loop_depth): Same.
17171
17172 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
17173
17174         * graphite-cloog-util.h: Added cloog.h.
17175         * graphite-blocking.c: Removed cloog.h.
17176         * graphite-dependences.c: Same.
17177         * graphite-interchange.c: Same.
17178         * graphite-poly.c: Same.
17179         * graphite-ppl.c: Same.
17180         * graphite-scop-detection.c: Same.
17181         * graphite-sese-to-poly.c:
17182         Removed cloog.h.
17183         Removed graphite-clast-to-gimple.h.
17184         (check_poly_representation): Removed (unused).
17185         * graphite-sese-to-poly.h
17186         (check_poly_representation): Removed (unused).
17187
17188 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
17189
17190         * Makefile.in (OBJS-common): Added graphite-cloog-util.o.
17191         (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
17192         (graphite-cloog-util.o): New.
17193         (graphite-ppl.o): Added graphite-cloog-util.h.
17194         * graphite-clast-to-gimple.c:
17195         Added graphite-cloog-util.h to include statements.
17196         * graphite-cloog-util.c: New.
17197         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
17198         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
17199         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
17200         (new_C_Polyhedron_from_Cloog_Matrix): Same.
17201         (insert_constraint_into_matrix): Same.
17202         (ppl_Constrain_System_number_of_constraints): Same.
17203         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
17204         (oppose_constraint): Same.
17205         (cloog_matrix_to_ppl_constraint): Same.
17206         (new_Constraint_System_from_Cloog_Matrix): Same.
17207         * graphite-cloog-util.h: New.
17208         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
17209         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
17210         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
17211         (new_C_Polyhedron_from_Cloog_Matrix): Same.
17212         (insert_constraint_into_matrix): Same.
17213         * graphite-ppl.c:
17214         Added graphite-cloog-util.h to include statements.
17215         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
17216         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
17217         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
17218         (new_C_Polyhedron_from_Cloog_Matrix): Same.
17219         (insert_constraint_into_matrix): Same.
17220         (ppl_Constrain_System_number_of_constraints): Same.
17221         (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
17222         (oppose_constraint): Same.
17223         (cloog_matrix_to_ppl_constraint): Same.
17224         (new_Constraint_System_from_Cloog_Matrix): Same.
17225         * graphite-ppl.h:
17226         (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
17227         graphite-cloog-util.h.
17228         (new_Cloog_Domain_from_ppl_Polyhedron): Same.
17229         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
17230         (new_C_Polyhedron_from_Cloog_Matrix): Same.
17231         (insert_constraint_into_matrix): Same.
17232
17233 2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
17234
17235         * graphite-clast-to-gimple.c
17236         (precision_for_value): Resolve value_* calls to matching mpz_* calls.
17237         (precision_for_interval): Same.
17238         (gcc_type_for_interval): Same.
17239         (compute_type_for_level): Same.
17240         * graphite-interchange.c
17241         (lst_interchange_profitable_p): Same.
17242         * graphite-poly.c
17243         (psct_scattering_dim_for_loop_depth): Same.
17244         * graphite-ppl.c
17245         (ppl_max_for_le_pointset): Same.
17246         (ppl_min_for_le_pointset): Same.
17247
17248 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17249
17250         * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
17251         (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.
17252
17253 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17254
17255         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
17256         rewrite_close_phi_out_of_ssa.
17257
17258 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17259
17260         * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.
17261
17262 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17263
17264         * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
17265         rename_map.
17266         * sese.c (debug_rename_map): Same.
17267         (get_rename): Same.
17268         (set_rename): Same.
17269         (rename_variables_in_stmt): Same.
17270         (expand_scalar_variables_call): Same.
17271         (expand_scalar_variables_ssa_name): Same.
17272         (expand_scalar_variables_expr): Same.
17273         (expand_scalar_variables_stmt): Same.
17274         (expand_scalar_variables): Same.
17275         (rename_variables): Same.
17276         (graphite_copy_stmts_from_block): Same.
17277         (copy_bb_and_scalar_dependences): Same.
17278
17279 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17280
17281         * graphite-clast-to-gimple.c (copy_renames): Removed.
17282         (translate_clast_for): Do not call copy_renames.
17283         (translate_clast_guard): Same.
17284
17285 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17286
17287         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
17288         (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
17289         (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
17290         before rewrite_cross_bb_scalar_deps.
17291
17292 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17293
17294         * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
17295         Early return in when flag_associative_math is not set.
17296
17297 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17298
17299         * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
17300         of SSA copies on edges except for loop->latch.
17301
17302 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17303
17304         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
17305         Split out of rewrite_reductions_out_of_ssa.
17306         * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
17307         Declared.
17308         * graphite.c (graphite_transform_loops): Call it.
17309
17310 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17311
17312         * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.
17313
17314 2010-08-11  Alexander Monakov  <amonakov@ispras.ru>
17315
17316         * dbgcnt.def (graphite_scop): New counter.
17317         * graphite.c: Include dbgcnt.h.
17318         (graphite_transform_loops): Use new counter to limit transformations.
17319         * Makefile.in (graphite.o): Depend on DBGCNT_H.
17320
17321 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17322
17323         * passes.c (init_optimization_passes): Add pass_graphite.
17324         Schedule a pass_copy_prop before pass_graphite_transforms.
17325         * timevar.def (TV_GRAPHITE): Declared.
17326         * tree-pass.h (pass_graphite): Declared.
17327         * tree-ssa-loop.c (pass_graphite): New.
17328
17329 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17330
17331         * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
17332         Remove calls to rename_nb_iterations and rename_sese_parameters.
17333         * graphite-clast-to-gimple.h (gloog): Update declaration.
17334         * graphite.c (graphite_transform_loops): Update call to gloog.
17335         * sese.c (rename_variables_in_expr): Removed.
17336         (rename_nb_iterations): Removed.
17337         (rename_sese_parameters): Removed.
17338         * sese.h (rename_nb_iterations): Removed.
17339         (rename_sese_parameters): Removed.
17340
17341 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17342
17343         * graphite-clast-to-gimple.c (gloog): Remove call to
17344         sese_adjust_liveout_phis.
17345         * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
17346         SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
17347         (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
17348         rewrite_phi_out_of_ssa.
17349         * sese.c (get_vdef_before_sese): Removed.
17350         (sese_adjust_vphi): Removed.
17351         (sese_adjust_liveout_phis): Removed.
17352         * sese.h (sese_adjust_liveout_phis): Removed.
17353
17354 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17355
17356         * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
17357         argument for the place after which to insert the out of SSA copy.
17358         (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
17359         (rewrite_phi_out_of_ssa): Same.
17360         (rewrite_cross_bb_scalar_deps): Same.
17361         (insert_copyout): Removed.
17362         (insert_copyin): Removed.
17363         (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
17364         insert_out_of_ssa_copy_on_edge instead of insert_copyout and
17365         insert_copyin.
17366
17367 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17368
17369         * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
17370         (rewrite_reductions_out_of_ssa): Same.
17371         (rewrite_commutative_reductions_out_of_ssa): Same.
17372         (build_poly_scop): Do not call these functions.
17373         * graphite-sese-to-poly.h (build_poly_scop): Declared.
17374         (rewrite_reductions_out_of_ssa): Declared.
17375         (rewrite_commutative_reductions_out_of_ssa): Declared.
17376         * graphite.c (graphite_transform_loops): Call on every scop
17377         rewrite_commutative_reductions_out_of_ssa before calling
17378         rewrite_reductions_out_of_ssa and build_scop_bbs.
17379
17380 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17381
17382         * graphite-dependences.c (dot_deps): Make system call to dotty run
17383         in background.
17384         (dot_deps_stmt): Same.
17385         * graphite-poly.c (dot_lst): Same.
17386
17387 2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>
17388
17389         * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
17390         phi_arg_in_outermost_loop.
17391         (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
17392         (remove_invariant_phi): Same.
17393
17394 2010-08-11  Anatoly Sokolov  <aesok@post.ru>
17395
17396         * target.def (output_addr_const_extra): New hook.
17397         * doc/tm.texi.in (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Document.
17398         * doc/tm.texi: Regenerate.
17399         * targhooks.c (default_asm_output_addr_const_extra): New function.
17400         * targhooks.h (default_asm_output_addr_const_extra): Declare.
17401         * final.c (output_addr_const): Use TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA
17402         target hook.
17403
17404         * config/i386/i386.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
17405         * config/i386/i386-protos.h (output_addr_const_extra): Remove.
17406         * config/i386/i386.h (output_addr_const_extra): Rename to...
17407         (i386_asm_output_addr_const_extra): ...this. Make static.
17408         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
17409
17410 2010-08-11  Richard Henderson  <rth@redhat.com>
17411
17412         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): New.
17413
17414 2010-08-11  Nick Clifton  <nickc@redhat.com>
17415
17416         * config/stormy16/stormy16-lib2.c (__cmpsi2): New function.
17417         * config/stormy16/stormy16-lib2-cmpsi2.c: New file.
17418         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
17419         stormy16-lib2-cmpsi.c.
17420
17421         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Change to
17422         -O2.
17423
17424 2010-08-11  Joseph Myers  <joseph@codesourcery.com>
17425
17426         * opts.h (struct cl_option_handler_func): Make handler take
17427         cl_decoded_option structure as parameter, not individual elements.
17428         (struct cl_option_handlers): Make callbacks take cl_decoded_option
17429         structure as parameter, not individual elements.
17430         (handle_option): Take cl_decoded_option structure as parameter,
17431         not individual elements.
17432         (handle_generated_option): Declare.
17433         * opts-common.c (handle_option): Take cl_decoded_option structure
17434         as parameter, not individual elements.  Update calls to callback
17435         and handler functions.
17436         (handle_generated_option): New.
17437         (read_cmdline_option): Update calls to callback functions and
17438         handle_option.
17439         * opts.c (common_handle_option, complain_wrong_lang,
17440         unknown_option_callback, post_handling_callback,
17441         lang_handle_option, target_handle_option): Take cl_decoded_option
17442         structure as parameter, not individual elements.
17443         (lang_handle_option, target_handle_option, common_handle_option):
17444         Assert option has at most one argument.
17445         (enable_warning_as_error): Call handle_generated_option instead of
17446         handle_option.  Do not pass -Werror argument as argument of
17447         generated option.
17448
17449 2010-08-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17450
17451         * config/pa/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
17452         'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
17453         (SUBWORD_BOOL_CAS): Likewise.
17454         (SUBWORD_SYNC_OP): Likewise.
17455         (SUBWORD_TEST_AND_SET): Likewise.
17456         (FETCH_AND_OP_WORD): Parenthesise INF_OP
17457         (SUBWORD_SYNC_OP): Likewise.
17458         (OP_AND_FETCH_WORD): Likewise.
17459
17460 2010-08-10  Xinliang David Li  <davidxl@google.com>
17461
17462         * tree-ssa-loop-ivopts.c (get_address_cost): Properly
17463         compute max/min offset in address.
17464
17465 2010-08-10  Vladimir Makarov  <vmakarov@redhat.com>
17466
17467         * ira-live.c: Include sbitmap.h.
17468         (remove_some_program_points_and_update_live_ranges): Use sbitmaps.
17469         Compress live ranges even more.
17470
17471 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
17472
17473         * coverage.c (ctr_labels): Delete.
17474
17475 2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>
17476
17477         PR bootstrap/45177
17478         * config/arm/arm.c (multiple_operation_profitable_p): Move xscale
17479         test here from arm_gen_load_multiple_1.
17480         (arm_gen_load_multiple_1, arm_gen_store_multiple_1): Use
17481         multiple_operation_profitable_p.
17482
17483 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
17484
17485         * tree-ssa-pre.c (init_pre): Call alloc_aux_for_blocks.
17486         (fini_pre): Call free_aux_for_blocks.  Delete unused bb variable.
17487
17488 2010-08-10  Richard Henderson  <rth@redhat.com>
17489
17490         * config/i386/i386.c (ix86_compute_frame_layout): Re-align stack
17491         after saving registers.  Assert that SSE registers are only saved
17492         with a sufficiently aligned frame.
17493         (ix86_emit_save_reg_using_mov): Assert realigned only with DRAP;
17494         remove stack_realign_fp handling.
17495         (ix86_expand_prologue): Save int registers before stack_realign_fp,
17496         and do not mark the stack alignment as frame related.
17497         (ix86_expand_epilogue): SP is now invalid with stack_realign_fp.
17498
17499         * dwarf2out.c (dwarf2out_frame_debug_expr): Flush queued register
17500         saves when re-aligning the stack.
17501
17502 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
17503
17504         * basic-block.h (alloc_aux_for_block, alloc_aux_for_edge): Delete.
17505         * cfg.c (alloc_aux_for_block, alloc_aux_for_edge): Make static.
17506         (alloc_aux_for_blocks, clear_aux_for_blocks): Use FOR_ALL_BB.
17507
17508 2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>
17509
17510         * dwarf2out.c (struct die_struct): Move die_tag to the end.
17511
17512 2010-08-09  Sofiane Naci  <sofiane.naci@arm.com>
17513
17514         * config/arm/iterators.md: New file.
17515         * config/arm/arm.md: Include iterators.md.
17516         (QHSI): Move to new file.
17517         (LTUGEU, cnb, optab, ior_xor): Likewise.
17518         * config/arm/iwmmxt.md (VMMX): Move to new file.
17519         (VSHFT, MMX_char): Likewise.
17520         * config/arm/neon.md (VD): Move to new file.
17521         (VDX, VDI, VQ, VQX, VQI, VQXMOV, VSTRUCT, VTAB, V_TAB_n, VW): Likewise.
17522         (VN, VDQ, VDQW, VDQIW, VCVTF, VCVTI, VMD, VMQ, VMDQ, VMDI): Likewise.
17523         (VMDQI, VX, VE, V64, V32, V_CVTTO, V_elem, V_ext): Likewise.
17524         (V_two_elem, V_three_elem, V_four_elem, V_req, V_widen): Likewise.
17525         (V_narrow, V_HALF, V_half,V_DOUBLE, V_double): Likewise.
17526         (V_double_width, V_cmp_result, V_if_elem, V_s_elem): Likewise.
17527         (V_u_elem, V_uf_sclr, V_sz_elem, VD_dup): Likewise.
17528         (V_PAIR, vqh_ops, vqhs_ops, VQH_mnem, VQH_sign, V_suf64): Likewise.
17529         (scalar_mul_constraint,Is_float_mode, Scalar_mul_8_16): Likewise.
17530         (Is_d_reg, V_mode_nunits): Likewise.
17531         * config/arm/vec-common.md (VALL): Move to new file.
17532         (VALLW, VINT, VINTW): Likewise.
17533
17534 2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>
17535
17536         PR middle-end/45182
17537         * combine.c (make_compound_operation): Don't try to convert
17538         shifts into multiplications for modes that aren't SCALAR_INT_MODE_P.
17539
17540 2010-08-10  Richard Guenther  <rguenther@suse.de>
17541
17542         * tree.h (get_object_alignment): Adjust prototype.
17543         * builtins.c (get_object_alignment): Return unsigned int,
17544         drop the align parameter.  Handle MEM_REF, MISALIGNED_INDIRECT_REF
17545         and TARGET_MEM_REF properly.
17546         (get_pointer_alignment): Adjust.
17547         * emit-rtl.c (get_mem_align_offset): Adjust comment.
17548         (set_mem_attributes_minus_bitpos): Adjust.
17549         * tree-ssa-ccp.c (get_value_from_alignment): Adjust.
17550
17551 2010-08-10  Richard Guenther  <rguenther@suse.de>
17552
17553         * tree-ssa-copy.c (set_copy_of_val): Use operand_equal_p.
17554         (copy_prop_visit_assignment): Simplify.
17555         (copy_prop_visit_stmt): Also visit assignments from
17556         constants.
17557         (copy_prop_visit_phi_node): Use operand_equal_p.
17558
17559 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
17560
17561         * ipa-split.c (find_split_points): Free stack.
17562
17563 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
17564
17565         * tree.h (tree_node_kind) [perm_list_kind,temp_list_kind]: Delete.
17566         * tree.c (tree_node_kind): Delete corresponding entries.
17567
17568 2010-08-09  H.J. Lu  <hongjiu.lu@intel.com>
17569
17570         * alias.c (may_alias_p): Remove unused ret.
17571
17572 2010-08-09  Bingfeng Mei  <bmei@broadcom.com>
17573
17574         * ddg.c (walk_mems_2): Moved from alias.c, use may_alias_p instead of
17575         alias_sets_conflict_p.
17576         (walk_mems_1): Moved from alias.c.
17577         (insns_may_alias_p): New function, originally insn_alias_sets_conflict_p
17578         in alias.c.
17579         (add_inter_loop_mem_dep): Use insns_may_alias_p now.
17580         * cse.c (cse_insn): New argument in calling nonoverlapping_memrefs_p.
17581         * alias.c (walk_mems_2): Moved to ddg.c.
17582         (walk_mems_1): Ditto.
17583         (insn_alias_sets_conflict_p): Renamed to insns_may_alias_p and moved
17584         to ddg.c.
17585         (nonoverlapping_memrefs_p): Add flag to guard offset-based memory
17586         disambiguation.
17587         *(may_alias_p): New function to check whether two memory expression
17588         may alias or not. Currently used in buidling inter-iteration memory
17589         dependence.
17590         *alias.h (nonoverlapping_memrefs_p): New flag as third argument.
17591         (insn_alias_sets_conflict_p): Removed
17592         *rtl.h (may_alias_p): New function prototype.
17593
17594 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
17595
17596         * tree.c (nreverse): Assert that we don't have a BLOCK.
17597
17598 2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>
17599
17600         * builtins.c (fold_builtin_next_arg): Use stdarg_p.
17601         * config/arm/arm.c (arm_get_pcs_model): Likewise.
17602         * config/avr/avr.c (init_cumulative_args): Likewise.
17603         * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise.
17604         * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
17605         * config/m68k/m68k.c (m68k_return_pops_args): Likewise.
17606         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
17607         * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
17608         * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
17609         * config/rs6000/rs6000.c (init_cumulative_args): Likewise.
17610         * dwarf2out.c (gen_subprogram_die): Likewise.
17611         * function.c (allocate_struct_function): Likewise.
17612         * c-aux-info.c (gen_formal_list_for_func_dec): Likewise.
17613         (deserves_ellipsis): Delete.
17614
17615 2010-08-09  Richard Guenther  <rguenther@suse.de>
17616
17617         * tree-ssa-copy.c (cached_last_copy_of): Remove.
17618         (valueize_val): New function.
17619         (get_last_copy_of): Remove.
17620         (set_copy_of_val): Simplify.
17621         (dump_copy_of): Likewise.
17622         (copy_prop_visit_cond_stmt): Use valueize_val.
17623         (copy_prop_visit_phi_node): Properly handle unvisited names.
17624         Drop code managing copy-of chains.
17625         (init_copy_prop): Adjust.
17626         (fini_copy_prop): Likewise.
17627         (execute_copy_prop): Remove obsolete comment.
17628
17629 2010-08-09  Richard Guenther  <rguenther@suse.de>
17630
17631         PR middle-end/44632
17632         * function.c (gimplify_parameters): Do not clear addressable
17633         bit of the original parameter.
17634
17635 2010-08-09  Richard Guenther  <rguenther@suse.de>
17636
17637         PR middle-end/45212
17638         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust
17639         alignment from MEM_REF offset only if we took it from the
17640         base object.
17641
17642 2010-08-09  Eric Fisher  <joefoxreal@gmail.com>
17643
17644         * doc/sourcebuild.texi (vect_int_mult): Remove duplicate entry.
17645
17646 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
17647
17648         * c-tree.h (build_arg_info): Declare.
17649         * c-decl.c (build_arg_info): Define.
17650         (get_parm_info): Call it.  Delete initialization code.
17651         * c-parser.c (c_parser_parms_declarator): Likewise.
17652         (c_parser_parms_list_declaractor): Likewise.
17653
17654 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
17655
17656         * c-tree.h (c_arg_tag): Define.  Define a VEC containing it.
17657         (struct c_arg_info): Change type of tags field.
17658         * c-decl.c (grokdeclarator): Update for changed type of tags field.
17659         (get_parm_info): Likewise.
17660         (store_parm_decls_newstyle): Likewise.
17661
17662 2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>
17663
17664         * config/rs6000/rs6000.c (branch_island): Define.  Define a VEC of it.
17665         (branch_island_list): Delete.
17666         (branch_islands): Declare.
17667         (add_compiler_branch_island): Adjust for branch_islands instead of
17668         branch_island_list.
17669         (macho_branch_islands): Likewise.
17670         (no_previous_def): Likewise.
17671         (get_prev_label): Likewise.
17672
17673 2010-08-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17674
17675         PR boehm-gc/34544
17676         * gthr-posix.h (__gthread_start): Delete.
17677         (__gthread_active_init): Use pthread_default_stacksize_np instead of
17678         pthread_create to determine if hpux pthreads are active.
17679         * gthr-posix95.h (__gthread_start): Delete.
17680         (__gthread_active_init): Likewise use pthread_default_stacksize_np.
17681
17682 2010-08-08  Kai Tietz  <kai.tietz@onevision.com>
17683
17684         * config/i386/mingw32.h ((EXTRA_OS_CPP_BUILTINS): Define
17685         _WIN64 not expanded.
17686
17687 2010-08-07  Uros Bizjak  <ubizjak@gmail.com>
17688             H.J. Lu  <hongjiu.lu@intel.com>
17689
17690         PR target/45213
17691         * config/i386/i386.c (ix86_print_operand): Handle 'q' operand modifier
17692         to output 32bit SFmode immediate as 8 byte sign extended value.
17693
17694 2010-08-07  Marcus Shawcroft  <marcus.shawcroft@arm.com>
17695
17696         * config/arm/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
17697         'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
17698         (SUBWORD_BOOL_CAS): Likewise.
17699         (SUBWORD_SYNC_OP): Likewise.
17700         (SUBWORD_TEST_AND_SET): Likewise.
17701         (FETCH_AND_OP_WORD): Parenthesise INF_OP
17702         (SUBWORD_SYNC_OP): Likewise.
17703         (OP_AND_FETCH_WORD): Likewise.
17704
17705 2010-08-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
17706
17707         * config/arm/cortex-a9.md: Rewrite VFP Pipeline description.
17708         * config/arm/arm.c (arm_xscale_tune): Initialize sched_adjust_cost.
17709         (arm_fastmul_tune,arm_slowmul_tune, arm_9e_tune): Likewise.
17710         (arm_adjust_cost): Split into xscale_sched_adjust_cost and a
17711         generic part.
17712         (cortex_a9_sched_adjust_cost): New function.
17713         (xscale_sched_adjust_cost): New function.
17714         * config/arm/arm-protos.h (struct tune_params): New field
17715         sched_adjust_cost.
17716         * config/arm/arm-cores.def: Adjust costs for cortex-a9.
17717
17718 2010-08-06  Eric Botcazou  <ebotcazou@adacore.com>
17719
17720         PR target/44942
17721         * config/sparc/sparc.c (function_arg_advance): Always take into account
17722         the padding, if any.
17723
17724 2010-08-06  Richard Guenther  <rguenther@suse.de>
17725
17726         * tree-ssa-ccp.c (struct prop_value_d): Add mask member.
17727         (dump_lattice_value): Dump it.
17728         (get_default_value): Adjust.
17729         (get_constant_value): Likewise.
17730         (set_value_varying): Likewise.
17731         (set_lattice_value): Make sure to not go up the lattice
17732         with bitwise constant values.
17733         (get_value_for_expr): Handle ADDR_EXPRs.
17734         (value_to_double_int): New function.
17735         (get_value_from_alignment): Likewise.
17736         (do_dbg_cnt): Adjust.
17737         (ccp_lattice_meet): Handle partially constant values.
17738         (bit_value_unop_1): New function.
17739         (bit_value_binop_1): Likewise.
17740         (bit_value_unop): Likewise.
17741         (bit_value_binop): Likewise.
17742         (evaluate_stmt): Track partially constant values if
17743         flag_tree_bit_ccp is set.
17744         (ccp_fold_stmt): Dump if we folded a predicate.
17745         (ccp_visit_stmt): Adjust.
17746         * common.opt (ftree-bit-ccp): New flag.
17747         * doc/invoke.texi (ftree-bit-ccp): Document.
17748         * opts.c (decode_options): Enable bit-CCP at -O1.
17749
17750 2010-08-06  Alan Modra  <amodra@gmail.com>
17751
17752         * doc/invoke.texi (RS/6000 and PowerPC Options): Rewrite -mrelocatable
17753         and -mrelocatable-lib description.
17754
17755 2010-08-05  Bernd Schmidt  <bernds@codesourcery.com>
17756
17757         From Martin Thuresson  <martint@google.com>
17758         * postreload.c (reload_cse_simplify_operands): Use
17759         SET_REGNO_RAW instead of SET_REGNO.
17760         * caller-save.c (reg_save_code): Use SET_REGNO_RAW instead of
17761         SET_REGNO.
17762         * ira.c (setup_prohibited_mode_move_regs): Use SET_REGNO_RAW
17763         instead of SET_REGNO.
17764         * rtl.h (SET_REGNO_RAW): New macro.
17765
17766 2010-08-05  Eric Botcazou  <ebotcazou@adacore.com>
17767
17768         * rtlanal.c (nonzero_bits1): Use unsigned HOST_WIDE_INT in all mask
17769         computations.  Fix formatting issues.
17770         (num_sign_bit_copies1): Likewise.
17771         (canonicalize_condition): Likewise.
17772
17773 2010-08-05  Richard Henderson  <rth@redhat.com>
17774
17775         * toplev.h (ctz_hwi, clz_hwi, ffs_hwi): New.
17776         (floor_log2): Use clz_hwi.
17777         (exact_log2): Use ctz_hwi.
17778         * toplev.c (ctz_hwi, clz_hwi, ffs_hwi): New.
17779         * builtins.c (fold_builtin_bitop): Use them.
17780         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
17781         * combine.c (get_pos_from_mask): Use ctz_hwi.
17782         * double-int.c (double_int_ctz): Likewise.
17783         * explow.c (force_reg): Likewise.
17784         * tree.h (SET_DECL_OFFSET_ALIGN): Use ffs_hwi.
17785
17786 2010-08-05  Richard Henderson  <rth@redhat.com>
17787
17788         PR target/45189
17789         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Make sure
17790         the alignment constant is properly sign-extended.
17791
17792 2010-08-05  Richard Guenther  <rguenther@suse.de>
17793
17794         * expr.c (store_expr): Use emit_block_move only if both
17795         source and target are MEMs.  Use store_bit_field if only
17796         the target is a MEM.
17797
17798 2010-08-05  Richard Henderson  <rth@redhat.com>
17799
17800         PR debug/45188
17801         * dwarf2out.c (DWARF2_UNWIND_INFO): Provide default definition.
17802         (INCOMING_RETURN_ADDR_RTX): Likewise.
17803         (dwarf2out_do_frame): Remove conditional compilation.
17804         (dwarf2out_frame_init): Likewise.
17805
17806 2010-08-05  Nicolas Setton  <setton@adacore.com>
17807
17808         * gcov.c (flag_display_progress): New static variable.
17809         (main): Display progress info on standard output if requested.
17810         (options): Add -d/--display-progress.
17811         (print_usage): Print them.
17812         (process_args): Handle them.
17813         * doc/gcov.texi: Document them.
17814
17815 2010-08-05  Martin Jambor  <mjambor@suse.cz>
17816
17817         * ipa-cp.c (ipcp_discover_new_direct_edges): New function.
17818         (ipcp_insert_stage): Redirect only edges not flagged with
17819         indirect_inlining_edge.  Call ipcp_discover_new_direct_edges for all
17820         discovered constants.
17821
17822 2010-08-05  Martin Jambor  <mjambor@suse.cz>
17823
17824         * ipa-prop.h (enum ipa_lattice_type): Changed comments.
17825         (struct ipa_param_descriptor): New fields types and
17826         cannot_devirtualize.
17827         (ipa_param_cannot_devirtualize_p): New function.
17828         (ipa_param_types_vec_empty): Likewise.
17829         (ipa_make_edge_direct_to_target): Declare.
17830         * ipa-cp.c: Fixed first stage driver name in initial comment,
17831         described devirtualization there too.
17832         (ipcp_analyze_node): Call ipa_analyze_params_uses.
17833         (ipcp_print_all_lattices): Print devirtualization info.
17834         (ipa_set_param_cannot_devirtualize): New function.
17835         (ipcp_initialize_node_lattices): Set cannot_devirtualize when setting
17836         lattice to BOTTOM.
17837         (ipcp_init_stage): Merged into...
17838         (ipcp_generate_summary): ...its caller.
17839         (ipcp_change_tops_to_bottom): Also process type lists.
17840         (ipcp_add_param_type): New function.
17841         (ipcp_copy_types): Likewise.
17842         (ipcp_propagate_types): Likewise.
17843         (ipcp_propagate_stage): Also propagate types.
17844         (ipcp_need_redirect_p): Variable jump_func moved to its scope block.
17845         Also return true if propagated types require it.
17846         (ipcp_update_callgraph): Dump redirection info.
17847         (ipcp_process_devirtualization_opportunities): New function.
17848         (ipcp_const_param_count): Include known type information.
17849         (ipcp_insert_stage): Call ipcp_process_devirtualization_opportunities
17850         on new node.  Fixed formatting.
17851         * ipa-prop.c (make_edge_direct_to_target): Renamed to
17852         ipa_make_edge_direct_to_target and changed all callers.  Made
17853         externally visible.
17854         (ipa_node_duplication_hook): Duplicate types vector.
17855         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Also try to
17856         redirect outgoing calls for which we can't get a decl from the
17857         statement.  Check that we can get a decl from the call statement.
17858         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
17859         ipa_analyze_params_uses only when ipa-cp is disabled.
17860         * tree-inline.c (get_indirect_callee_fndecl): Removed.
17861         (expand_call_inline): Do not call get_indirect_callee_fndecl.
17862         * params.def (PARAM_DEVIRT_TYPE_LIST_SIZE): New parameter.
17863         * Makefile.in (ipa-cp.o): Add gimple.h to dependencies.
17864
17865 2010-08-05  Uros Bizjak  <ubizjak@gmail.com>
17866
17867         * expmed.c (expand_mult_const) <case alg_shift>: Expand shift into
17868         temporary. Emit move from temporary to accum, so REG_EQUAL note will
17869         be attached to this insn in correct mode.
17870
17871 2010-08-05  Uros Bizjak  <ubizjak@gmail.com>
17872
17873         * config/i386/i386.c (ix86_decompose_address): Check for SI_REG
17874         using REGNO of base_reg directly.
17875
17876 2010-08-05  Jie Zhang  <jie@codesourcery.com>
17877
17878         PR tree-optimization/45144
17879         * tree-sra.c (type_consists_of_records_p): Return false
17880         if the record contains bit-field.
17881
17882 2010-08-04  Richard Henderson  <rth@redhat.com>
17883
17884         * config/i386/i386.c (struct ix86_frame): Remove padding and
17885         to_allocate members.
17886         (ix86_compute_frame_layout): Don't store them.
17887         (ix86_can_use_return_insn_p): Use a more direct and more obviously
17888         correct condition for the position of the stack pointer.
17889         (ix86_expand_prologue): Compute remaining stack allocation based
17890         on the ultimate stack pointer offset.
17891         (ix86_expand_epilogue): Use more obvious expressions testing for
17892         the stack pointer already pointing to the saved registers.
17893
17894         * config/i386/i386.c (ix86_expand_epilogue): Eliminate code
17895         duplication deconstructing the frame pointer.  Simplify
17896         deallocation of the local stack frame.
17897
17898         * reg-notes.def (CFA_EXPRESSION): New.
17899         * dwarf2out.c (dwarf2out_frame_debug): Handle it.
17900         (dwarf2out_frame_debug_cfa_expression): New.
17901         (dwarf2out_frame_debug_def_cfa): Handle simple MEMs.
17902
17903         * config/i386/i386.h (struct machine_frame_state): Add realigned flag.
17904         * config/i386/i386.c (ix86_expand_prologue): Set it.
17905         (ix86_expand_epilogue): Clear it.
17906         (ix86_emit_save_reg_using_mov): For registers saved in a realigned
17907         context, add REG_CFA_EXPRESSION notes.
17908
17909         * config/i386/i386.h (struct machine_frame_state): Rename from
17910         machine_cfa_state.  Add members tracking SP and FP regardless
17911         of the current CFA register.
17912         (ix86_cfa_state): Remove.
17913         * config/i386/i386.c (struct ix86_frame): Add reg_save_offset
17914         and sse_reg_save_offset members.
17915         (ix86_compute_frame_layout): Set them.
17916         (gen_push): Increment sp_offset too.
17917         (choose_baseaddr_len, choose_baseaddr): New.
17918         (ix86_emit_save_reg_using_mov): New.
17919         (ix86_emit_save_regs_using_mov): Use it.
17920         (ix86_emit_save_sse_regs_using_mov): Likewise.
17921         (ix86_add_cfa_restore_note): Take cfa_offset not red_offset argument;
17922         compare vs the saved red_zone_offset.
17923         (pro_epilogue_adjust_stack): Adjust sp_offset.
17924         (ix86_adjust_stack_and_probe): Likewise.
17925         (ix86_expand_prologue): Set up, use, and validate the new
17926         frame_state_info members.  Use gen_frame_mem.
17927         (ix86_emit_restore_regs_using_pop): Remove red_offset parameter.
17928         (ix86_emit_restore_reg_using_pop): Likewise.  Use and update the
17929         new frame_state_info members.
17930         (ix86_emit_leave): Likewise.
17931         (ix86_emit_restore_regs_using_mov): Likewise.  Don't check for
17932         out-of-range stack pointer offsets here.
17933         (ix86_emit_restore_sse_regs_using_mov): Likewise.
17934         (ix86_expand_epilogue): Use and validate the new frame_state_info
17935         members.  Break up and simplify the logic selecting the
17936         restore_regs_via_mov code path.  Ensure that there will be no
17937         out-of-range stack pointer offsets.
17938
17939         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Remove.
17940
17941         * config/i386/i386.c (ix86_function_ms_hook_prologue): Fix
17942         argument name to reflect the expected tree; fix indentation.
17943         (ix86_asm_output_function_label): Output the entire 32-bit
17944         ms_hook here as bytes ...
17945         (ix86_expand_prologue): ... not here as insns.  Attach the
17946         unwind info for the ms_hook to a blockage insn.
17947         (ix86_handle_fndecl_attribute): Don't check HAVE_AS_IX86_SWAP.
17948         (ix86_ms_bitfield_layout_p): Fix indentation.
17949         * config/i386/i386.md (UNSPECV_VSWAPMOV, vswapmov): Remove.
17950
17951         * config/i386/i386.c (ix86_using_red_zone): New.
17952         (ix86_compute_frame_layout, ix86_add_cfa_restore_note,
17953         ix86_expand_prologue, ix86_force_to_memory): Use it.
17954
17955         * config/i386/i386.c (ix86_expand_prologue): Simplify logic
17956         saving the int registers.
17957
17958         * dwarf2out.c: Remove most of the DWARF2_DEBUGGING_INFO
17959         and DWARF2_UNWIND_INFO conditional compilation.
17960
17961 2010-08-04  Richard Henderson  <rth@redhat.com>
17962
17963         PR debug/45171
17964         * dwarf2out.c (gen_typedef_die): Don't re-generate the die of
17965         an is_naming_typedef_decl.
17966
17967 2010-08-04  Bernd Schmidt  <bernds@codesourcery.com>
17968
17969         PR rtl-optimization/45162
17970         * df-problems.c (df_word_lr_bb_local_compute): Ignore DEBUG_INSNs.
17971         * dce.c (word_dce_process_block): Likewise.
17972
17973 2010-08-04  Steve Ellcey  <sje@cup.hp.com>
17974
17975         PR target/44583
17976         * config/ia64/constraints.md (Z): New.
17977         * config/ia64/predicates.md (fr_reg_or_signed_fp01_operand): New.
17978         (xfreg_or_signed_fp01_operand): New.
17979         * config/ia64/ia64.md (addsf3): Replace fr_reg_or_fp01_operand
17980         with fr_reg_or_signed_fp01_operand and constraint G with Z.
17981         (subsf3): Ditto.
17982         (*maddsf4): Ditto.
17983         (*msubsf4): Ditto.
17984         (adddf3): Ditto.
17985         (adddf3_trunc): Ditto.
17986         (subdf3): Ditto.
17987         (*subdf3_trunc): Ditto.
17988         (*madddf4): Ditto.
17989         (*madddf4_trunc): Ditto.
17990         (*msubdf4): Ditto.
17991         (*msubdf4_trunc): Ditto.
17992         (addxf3): Replace xfreg_or_fp01_operand with
17993         xfreg_or_signed_fp01_operand and constraint G with Z.
17994         (*addxf3_truncsf): Ditto.
17995         (*addxf3_truncdf): Ditto.
17996         (subxf3): Ditto.
17997         (*subxf3_truncsf): Ditto.
17998         (*subxf3_truncdf): Ditto.
17999         (*maddxf4): Ditto.
18000         (*maddxf4_truncsf): Ditto.
18001         (*maddxf4_truncdf): Ditto.
18002         (*msubxf4): Ditto.
18003         (*msubxf4_truncsf): Ditto.
18004         (*msubxf4_truncdf): Ditto.
18005
18006 2010-08-04  Richard Guenther  <rguenther@suse.de>
18007
18008         * alias.c (rtx_refs_may_alias_p): Do not resort to TBAA
18009         if either alias-set is zero.
18010
18011 2010-08-04  Richard Guenther  <rguenther@suse.de>
18012
18013         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t): Move ...
18014         * tree-ssa-ccp.c: ... here.
18015         * tree-ssa-copy.c: ... and here.
18016         * tree-ssa-propagate.h (enum value_range_type, struct value_range_d,
18017         value_range_t): Move ...
18018         * tree-vrp.c: ... here.
18019         * tree-ssa-propagate.h (ssa_prop_get_value_fn): New typedef.
18020         (substitute_and_fold): Adjust prototype.
18021         * tree-ssa-propagate.c (replace_uses_in): Adjust.
18022         (replace_phi_args_in): Likewise.
18023         (substitute_and_fold): Take callback to query lattice instead
18024         of pointer to lattice.  Replace SSA name defs with lattice
18025         values first.
18026         * tree-ssa-ccp.c (ccp_finalize): Adjust.
18027         * tree-ssa-copy.c (copy_prop_visit_phi_node): Adjust.
18028         (get_value): New function.
18029         (fini_copy_prop): Adjust.
18030         * tree-vrp.c (vrp_finalize): Adjust.
18031
18032 2010-08-04  Richard Guenther  <rguenther@suse.de>
18033
18034         PR middle-end/45176
18035         * expr.c (expand_expr_real_1): Also preserve TARGET_MEM_REF
18036         points-to set for original MEM_REF.
18037
18038 2010-08-04  Richard Guenther  <rguenther@suse.de>
18039
18040         * tree-ssa-ccp.c (get_constant_value): New function.
18041         (get_rhs_assign_op_for_ccp): Remove.
18042         (valueize_op): New function.
18043         (ccp_fold): Use get_constant_value and valueize_op.
18044         (fold_const_aggregate_ref): Likewise.
18045         (ccp_fold_stmt): Likewise.
18046         (visit_assignment): Simplify.
18047
18048 2010-08-04  Richard Guenther  <rguenther@suse.de>
18049
18050         * Makefile.in (double-int.o): Add $(TOPLEV_H) dependency.
18051         * double-int.h (double_int_ctz): Declare.
18052         * double-int.c (double_int_ctz): New function.
18053
18054 2010-08-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
18055
18056         * config/picochip/picochip.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE):
18057         Define.
18058         picochip_expand_movmemhi : Expand movmem pattern.
18059         * config/picochip/picochip-protos.h (picochip_expand_movmemhi) :
18060         Declare.
18061         * config/picochip/picochip.md (movmemhi) : New pattern.
18062
18063 2010-08-03  Uros Bizjak  <ubizjak@gmail.com>
18064
18065         * config/i386/unix.h (GLOBAL_ASM_OPS): Add tabs around .globl.
18066
18067 2010-08-03  Bernd Schmidt  <bernds@codesourcery.com>
18068
18069         * simplify-rtx.c (simplify_binary_operation_1): Try to simplify away
18070         NEG as operand of a MULT by merging it with the other operand.
18071         * combine.c (make_compound_operation): Use trunc_int_for_mode when
18072         generating a MULT with constant.  Canonicalize PLUS and MINUS involving
18073         MULT.
18074         * config/arm/constraints.md (M): Examine only 32 bits of a
18075         HOST_WIDE_INT.
18076         * config/arm/predicates.md (power_of_two_operand): Likewise.
18077
18078 2010-08-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
18079
18080         * config/spu/spu.c (spu_emit_branch_hint): Do not access NOTE_KIND of
18081         non-NOTE insns.
18082
18083 2010-08-03  Jan Hubicka  <jh@suse.cz>
18084
18085         * ipa-split.c (struct split_point): Add split_part_set_retval.
18086         (find_retval): Forward declare.
18087         (test_nonssa_use, mark_nonssa_use): Special case return by reference.
18088         (consider_split): Compute current->split_part_set_retval.
18089         (visit_bb): Do not look into return value.
18090         (split_function): Handle !split_part_set_retval
18091
18092 2010-08-03  Martin Jambor  <mjambor@suse.cz>
18093
18094         * tree-sra.c (completely_scalarize_record): New parameter REF, create
18095         its own access->expr intead of using build_ref_for_offset.
18096
18097 2010-08-03  Joseph Myers  <joseph@codesourcery.com>
18098
18099         * config/alpha/alpha.h (SWITCH_TAKES_ARG): Define.
18100         * config/alpha/osf5.h (LIB_SPEC): Don't handle -a.
18101         * config/bfin/bfin.h (ASM_SPEC, LINK_SPEC): Don't pass -G* options.
18102         * config/darwin.h (WORD_SWITCH_TAKES_ARG): Handle -iframework.
18103         * config/ia64/ia64.h (SWITCH_TAKES_ARG): Define.
18104         * config/iq2000/iq2000.h (SWITCH_TAKES_ARG): Remove.
18105         * config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Define using
18106         DEFAULT_SWITCH_TAKES_ARG.
18107         * config/rx/rx.opt (-patch=): Remove option.
18108         * config/rx/rx.c (rx_handle_option): Don't handle OPT_patch_.
18109         * defaults.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Handle -imultilib.
18110         * doc/invoke.texi (RX Options): Remove -patch=.
18111         * gcc.c (cc1_options): Pass -aux-info* instead of -a* options.
18112         (option_map): Remove --profile-blocks, --quiet and --silent.
18113
18114 2010-08-03  Uros Bizjak  <ubizjak@gmail.com>
18115
18116         * config/i386/i386.h (ix86_compare_op0, ix86_compare_op1): Remove.
18117         * config/i386/i386.c (ix86_compare_op0, ix86_compare_op1): Remove.
18118         (ix86_expand_branch): Add op0 and op1 arguments.  Do not access
18119         ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
18120         Update calls to ix86_expand_compare and ix86_expand_branch.
18121         (ix86_expand_setcc): Add op0 and op1 arguments.  Update calls to
18122         ix86_expand_compare.
18123         (ix86_expand_compare): Add op0 and op1 arguments.  Do not access
18124         ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
18125         Make static.
18126         (ix86_expand_carry_flag_compare): Do not set ix86_compare_op0
18127         and ix86_compare_op1.  Update calls to ix86_expand_compare.
18128         (ix86_expand_int_movcc): Ditto.
18129         (ix86_expand_fp_movcc): Ditto.  Update calls to ix86_expand_setcc.
18130         * config/i386/i386-protos.h (ix86_expand_branch): Update prototype.
18131         (ix86_expand_setcc): Ditto.
18132         (ix86_expand_compare): Remove prototype.
18133         * config/i386/i386.md (cbranch<SDWIM:mode>4): Do not set
18134         ix86_compare_op0 and ix86_compare_op1.  Update calls
18135         to ix86_expand_branch to directly pass operands[1] and operands[2].
18136         (cbranchxf4): Ditto.
18137         (cbranch<MODEF:mode>4): Ditto.
18138         (cbranchcc4): Ditto.
18139         (cstore<SWIM:mode>4): Do not set ix86_compare_op0 and ix86_compare_op1.
18140         Update calls to ix86_expand_setcc to directly pass operands[2] and
18141         operands[3].
18142         (cstorexf4): Ditto.
18143         (cstore<MODEF:mode>4): Ditto.
18144         (cstorecc4): Ditto.
18145
18146 2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>
18147
18148         PR target/45063
18149         * caller-save.c (save_call_clobbered_regs): Remove regs from
18150         hard_regs_saved when they are set.
18151
18152 2010-08-02  Uros Bizjak  <ubizjak@gmail.com>
18153
18154         PR target/41089
18155         * config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
18156         as volatile.
18157
18158 2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>
18159
18160         * common.opt (ftree-loop-distribute-patterns): New.
18161         * invoke.texi (-ftree-loop-distribute-patterns): Documented.
18162         * opts.c (decode_options): Enable flag_tree_loop_distribute_patterns
18163         at -O3.
18164         * tree-data-ref.c (stores_zero_from_loop): New.
18165         * tree-data-ref.h (stores_zero_from_loop): Declared.
18166         * tree-loop-distribution.c (tree_loop_distribution): Call
18167         stores_zero_from_loop.
18168         (tree_loop_distribution): Check flag_tree_loop_distribute_patterns.
18169
18170 2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>
18171
18172         * postreload.c (reload_cse_simplify_operands): Take attribute enabled
18173         into account.
18174
18175         * final.c (final_scan_insn): Call CC_STATUS_INIT unconditionally.
18176         * config/arm/arm.c (thumb1_code): New variable.
18177         (arm_override_options): Set it.
18178         (thumb1_final_prescan_insn): Keep track of condition code status.
18179         (arm_adjust_cost): For Thumb, try to keep cc-setting insns next to
18180         jumps that depend on them.
18181         * config/arm/arm.h (thumb1_code): Declare variable.
18182         (struct machine_function): Guard with #ifndef GENERATOR_FILE.  Add
18183         members thumb1_cc_insn, thumb1_cc_op0, thumb1_cc_op1 and
18184         thumb1_cc_mode.
18185         (CC_STATUS_INIT): New macro.
18186         * config/arm/constraints.md (Pd): New constraint.
18187         * config/arm/predicates.md (noov_comparison_operator): New predicate.
18188         * config/arm/arm.md (is_thumb1): New define_attr.
18189         (conds): Set default to "clob" when generating Thumb1 code.
18190         (thumb1_bicsi3): Renamed from bicsi3.  All uses changed.  Condition
18191         code are set.  Use two-operand assembly syntax.
18192         (thumb1_subsi3_insn): Condition codes are set.  Now a properly named
18193         pattern.
18194         (thumb1_andsi3_insn, thumb1_iorsi3_insn, thumb1_xorsi3_insn): Condition
18195         codes are set.  Use two-operand assembly syntax.
18196         (zero_extendhisi splitter): Remove constraints.
18197         (thumb1_movsi_insn, thumb1_movhi_insn, thumb1_movqi_insn, thumb1_movhf,
18198         thumb1_movsf_insn): Set conds attribute as appropriate.
18199         (cbranchsi4_insn): Use condition code status from struct
18200         machine_function to determine whether the comparison can be eliminated.
18201         Discourage the alternative using high registers.
18202         (movsi_cbranchsi4, andsi3_cbranch, orrsi3_cbranch_scratch,
18203         orrsi3_cbranch, xorsi3_cbranch_scratch, xorsi3_cbranch,
18204         bicsi3_cbranch_scratch, bicsi3_cbranch, subsi3_cbranch_scratch,
18205         subsi3_cbranch): Delete.
18206         (movsi_cbranchsi4 peepholes): Rewrite to generate a sequence of
18207         one subtract and one cbranch insn.
18208
18209         * config/arm/thumb2.md (thumb2_movdi, thumb2_movsf_soft_insn,
18210         thumb2_movdf_soft_insn): Delete patterns.
18211         * config/arm/arm.md (arm_pool_range, thumb2_pool_range,
18212         arm_neg_pool_range, thumb2_neg_pool_range): New attributes.
18213         (pool_range, neg_pool_range): Use them to define defaults.
18214         (movdi, arm_movsf_soft_insn, arm_movdf_soft_insn): Define them
18215         and allow for TARGET_32BIT.
18216
18217         PR target/40457
18218         * config/arm/arm.h (arm_regs_in_sequence): Declare.
18219         * config/arm/arm-protos.h (emit_ldm_seq, emit_stm_seq,
18220         load_multiple_sequence, store_multiple_sequence): Delete
18221         declarations.
18222         (arm_gen_load_multiple, arm_gen_store_multiple): Adjust
18223         declarations.
18224         * config/arm/ldmstm.md: New file.
18225         * config/arm/arm.c (arm_regs_in_sequence): New array.
18226         (load_multiple_sequence): Now static.  New args SAVED_ORDER,
18227         CHECK_REGS.  All callers changed.
18228         If SAVED_ORDER is nonnull, copy the computed order into it.
18229         If CHECK_REGS is false, don't sort REGS.  Handle Thumb mode.
18230         (store_multiple_sequence): Now static.  New args NOPS_TOTAL,
18231         SAVED_ORDER, REG_RTXS and CHECK_REGS.  All callers changed.
18232         If SAVED_ORDER is nonnull, copy the computed order into it.
18233         If CHECK_REGS is false, don't sort REGS.  Set up REG_RTXS just
18234         like REGS.  Handle Thumb mode.
18235         (arm_gen_load_multiple_1): New function, broken out of
18236         arm_gen_load_multiple.
18237         (arm_gen_store_multiple_1): New function, broken out of
18238         arm_gen_store_multiple.
18239         (arm_gen_multiple_op): New function, with code from
18240         arm_gen_load_multiple and arm_gen_store_multiple moved here.
18241         (arm_gen_load_multiple, arm_gen_store_multiple): Now just
18242         wrappers around arm_gen_multiple_op.  Remove argument UP, all callers
18243         changed.
18244         (gen_ldm_seq, gen_stm_seq, gen_const_stm_seq): New functions.
18245         * config/arm/predicates.md (commutative_binary_operator): New.
18246         (load_multiple_operation, store_multiple_operation): Handle more
18247         variants of these patterns with different starting offsets.  Handle
18248         Thumb-1.
18249         * config/arm/arm.md: Include "ldmstm.md".
18250         (ldmsi_postinc4, ldmsi_postinc4_thumb1, ldmsi_postinc3, ldmsi_postinc2,
18251         ldmsi4, ldmsi3, ldmsi2, stmsi_postinc4, stmsi_postinc4_thumb1,
18252         stmsi_postinc3, stmsi_postinc2, stmsi4, stmsi3, stmsi2 and related
18253         peepholes): Delete.
18254         * config/arm/ldmstm.md: New file.
18255         * config/arm/arm-ldmstm.ml: New file.
18256
18257         * config/arm/arm.c (arm_rtx_costs_1): Remove second clause from the
18258         if statement which adds extra costs to frame-related expressions.
18259
18260 2010-08-02  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18261
18262         * config/arm/arm.c (COSTS_N_INSNS): Remove definition.
18263
18264 2010-08-01  Uros Bizjak  <ubizjak@gmail.com>
18265
18266         PR target/45142
18267         * config/i386/sse.md (vec_set<mode>_0): Do not set mode attribute for
18268         alternative 2.
18269         (vec_set<mode>_0 splitter): Use SSEMODE4S mode iterator to also
18270         split V4SI operands.
18271
18272 2010-08-01  Anatoly Sokolov  <aesok@post.ru>
18273
18274         * config/mmix/mmix.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
18275         * config/mmix/mmix-protos.h (mmix_asm_output_source_filename): Remove.
18276         * config/mmix/mmix.c (mmix_asm_output_source_filename): Make static.
18277         (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.
18278
18279 2010-07-31  Kai Tietz  <kai.tietz@onevision.com>
18280
18281         * cppdefault.c (cpp_include_defaults): Move GCC_INCLUDE_DIR before
18282         LOCAL_INCLUDE_DIR.
18283
18284 2010-07-31  Richard Sandiford  <rdsandiford@googlemail.com>
18285
18286         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Fix type
18287         used in the call to optab_for_tree_code.  Fix the second
18288         is_widening_mult_p call.  Check that both unwidened operands
18289         have the same sign.
18290
18291 2010-07-31  John Tytgat  <John.Tytgat@aaug.net>
18292
18293         * config/arm/arm.c (arm_function_arg): Remove superfluous test.
18294
18295 2010-07-31  Anatoly Sokolov  <aesok@post.ru>
18296
18297         * config/spu/spu.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
18298
18299 2010-07-30  DJ Delorie  <dj@redhat.com>
18300
18301         * config/rx/predicates.md (rx_constshift_operand): New.
18302         * config/rx/rx.md (zs_cond): New.
18303         (cbranchsi4): Remove mode.
18304         (*cbranchsi4_<code>): Likewise.
18305         (*tstbranchsi4_<code>): New.
18306         (*tstbranchsi4r_<code>): New.
18307         (*tstbranchsi4m_eq): New.
18308         (*tstbranchsi4m_ne): New.
18309         (cbranchsf4): Remove mode.
18310         (*cbranchsf4_<code>): Likewise.
18311
18312 2010-07-30  Bernd Schmidt  <bernds@codesourcery.com>
18313
18314         * rtlanal.c (simplify_subreg_regno): Don't treat
18315         HARD_FRAME_POINTER_REGNUM specially.
18316
18317 2010-07-30  Joseph Myers  <joseph@codesourcery.com>
18318
18319         * common.opt (-G): Don't define option here.
18320         * config/g.opt: New.
18321         * config.gcc: Use g.opt for alpha, frv, ia64, lm32, m32r, mips,
18322         rs6000/powerpc and score targets.
18323         * opts.c (common_handle_option): Don't handle -G here.
18324         * config/alpha/alpha.c (alpha_handle_option): Handle -G.
18325         * config/frv/frv.c (frv_handle_option): Handle -G.
18326         * config/ia64/ia64.c (ia64_handle_option): Handle -G.
18327         * config/lm32/lm32.c (lm32_handle_option, TARGET_HANDLE_OPTION): New.
18328         * config/m32r/m32r.c (m32r_handle_option): Handle -G.
18329         * config/mips/mips.c (mips_handle_option): Handle -G.
18330         * config/rs6000/rs6000.c (rs6000_handle_option) Handle -G.
18331         * config/score/score.c (score_handle_option): Handle -G.
18332
18333 2010-07-30  Anatoly Sokolov  <aesok@post.ru>
18334
18335         * config/mmix/mmix.c: Include basic-block.h.
18336
18337 2010-07-30  Jakub Jelinek  <jakub@redhat.com>
18338
18339         PR debug/45055
18340         PR rtl-optimization/45137
18341         * rtl.h (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn): New
18342         prototypes.
18343         * emit-rtl.c (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn):
18344         New functions.
18345         * combine.c (next_nonnote_nondebug_insn): Removed.
18346         * ifcvt.c (noce_process_if_block): Use prev_nonnote_nondebug_insn.
18347         * haifa-sched.c (queue_to_ready): Use next_nonnote_nondebug_insn.
18348         * sched-deps.c (sched_analyze_insn): Likewise.
18349         (fixup_sched_groups, deps_start_bb): Use prev_nonnote_nondebug_insn.
18350         * rtlanal.c (canonicalize_condition): Likewise.
18351         * postreload.c (reload_combine_recognize_pattern): Likewise.
18352         (reload_cse_move2add): Use next_nonnote_nondebug_insn.
18353
18354 2010-07-29  Uros Bizjak  <ubizjak@gmail.com>
18355
18356         * config/i386/i386.md (int_cond): Remove code iterator.
18357         (fp_cond): Ditto.
18358         (cbranch<mode>4): Use ordered_comparison_operator predicate
18359         for operator0.
18360         (cstore<mode>4): Ditto for operator1.
18361         (mov<SWIM:mode>cc and corresponding splitter): Ditto.
18362         (add<mode>cc): ditto.
18363
18364 2010-07-30  Richard Guenther  <rguenther@suse.de>
18365
18366         PR middle-end/45141
18367         * expr.c (expand_expr_real_1): Check for not handled base address.
18368
18369 2010-07-30  Richard Guenther  <rguenther@suse.de>
18370
18371         * ipa-prop.c (ipa_modify_formal_parameters): Use
18372         build_distinct_type_copy.
18373
18374 2010-07-30  Anthony Green  <green@moxielogic.com>
18375
18376         * config/moxie/rtems.h: New file.
18377         * config.gcc: Add moxie-rtems support.
18378
18379 2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>
18380
18381         * dce.c (run_word_dce): Take flag_dce into account.  Clear and restore
18382         df flags as in run_fast_df_dce.
18383
18384 2010-07-29  Jakub Jelinek  <jakub@redhat.com>
18385
18386         Revert:
18387         2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
18388
18389         * rtl.def (NOTE): Swap operands 4 and 5.
18390         * rtl.h (NOTE_DATA, NOTE_DELETED_LABEL_NAME, NOTE_BLOCK,
18391         NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION, NOTE_KIND):
18392         Adjust accordingly.
18393         * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of NOTEs.
18394
18395 2010-07-29  Jakub Jelinek  <jakub@redhat.com>
18396
18397         PR debug/45110
18398         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_object_pointer.
18399         (gen_formal_types_die): Add DW_AT_object_pointer in methods.
18400         (gen_subprogram_die): Likewise.  Remove it when removing declaration's
18401         formal parameters.
18402         (gen_decl_die): Change return type to dw_die_ref, return what
18403         gen_formal_parameter_die returned.
18404
18405 2010-07-29  Martin Jambor  <mjambor@suse.cz>
18406
18407         * dbgcnt.def (eipa_sra): New counter.
18408         * tree-sra.c (ipa_early_sra_gate): Also check eipa_sra debug counter.
18409
18410 2010-07-29  Xinliang David Li  <davidxl@google.com>
18411
18412         PR bootstrap/45119
18413         * tree-ssa-loop-ivopts.c (get_address_cost): Revert change
18414         in revision 162652.
18415
18416 2010-07-29  Richard Guenther  <rguenther@suse.de>
18417
18418         * timevar.def (TV_TREE_STORE_COPY_PROP): Remove.
18419         (TV_TREE_STORE_CCP): Likewise.
18420         (TV_TREE_REDPHI): Likewise.
18421
18422 2010-07-29  Richard Guenther  <rguenther@suse.de>
18423
18424         * double-int.h (double_int_and_not): New function.
18425         * combine.c (try_combine): Use it.
18426         * tree-vrp.c (simplify_bit_ops_using_ranges): Likewise.
18427
18428 2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>
18429
18430         PR rtl-optimization/42575
18431         * dce.c (word_dce_process_block): Renamed from byte_dce_process_block.
18432         Argument AU removed.  All callers changed.  Ignore artificial refs.
18433         Use return value of df_word_lr_simulate_defs to decide whether an insn
18434         is necessary.
18435         (fast_dce): Rename arg to WORD_LEVEL.
18436         (run_word_dce): Renamed from rest_of_handle_fast_byte_dce.  No longer
18437         static.
18438         (pass_fast_rtl_byte_dce): Delete.
18439         * dce.h (run_word_dce): Declare.
18440         * df-core.c (df_print_word_regset): Renamed from df_print_byteregset.
18441         All callers changed.  Simplify code to only deal with two-word regs.
18442         * df.h (DF_WORD_LR): Renamed from DF_BYTE_LR.
18443         (DF_WORD_LR_BB_INFO): Renamed from DF_BYTE_LR_BB_INFO.
18444         (DF_WORD_LR_IN): Renamed from DF_BYTE_LR_IN.
18445         (DF_WORD_LR_OUT): Renamed from DF_BYTE_LR_OUT.
18446         (struct df_word_lr_bb_info): Renamed from df_byte_lr_bb_info.
18447         (df_word_lr_mark_ref): Declare.
18448         (df_word_lr_add_problem, df_word_lr_mark_ref, df_word_lr_simulate_defs,
18449         df_word_lr_simulate_uses): Declare or rename from byte variants.
18450         (df_byte_lr_simulate_artificial_refs_at_top,
18451         df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
18452         df_byte_lr_get_regno_len, df_compute_accessed_bytes): Delete
18453         declarations.
18454         (df_word_lr_get_bb_info): Rename from df_byte_lr_get_bb_info.
18455         (enum df_mm): Delete.
18456         * df-byte-scan.c: Delete file.
18457         * df-problems.c (df_word_lr_problem_data): Renamed from
18458         df_byte_lr_problem_data, all members deleted except for
18459         WORD_LR_BITMAPS, which is renamed from BYTE_LR_BITMAPS.  Uses changed.
18460         (df_word_lr_expand_bitmap, df_byte_lr_simulate_artificial_refs_at_top,
18461         df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
18462         df_byte_lr_get_regno_len, df_byte_lr_check_regs,
18463         df_byte_lr_confluence_0): Delete functions.
18464         (df_word_lr_free_bb_info): Renamed from df_byte_lr_free_bb_info; all
18465         callers changed.
18466         (df_word_lr_alloc): Renamed from df_byte_lr_alloc; all callers changed.
18467         Don't initialize members that were deleted, don't try to discover data
18468         about registers.  Ignore hard regs.
18469         (df_word_lr_reset): Renamed from df_byte_lr_reset; all callers changed.
18470         (df_word_lr_mark_ref): New function.
18471         (df_word_lr_bb_local_compute): Renamed from
18472         df_byte_bb_lr_local_compute; all callers changed.  Use
18473         df_word_lr_mark_ref.  Assert that artificial refs don't include
18474         pseudos.  Ignore hard registers.
18475         (df_word_lr_local_compute): Renamed from df_byte_lr_local_compute.
18476         Assert that exit block uses don't contain pseudos.
18477         (df_word_lr_init): Renamed from df_byte_lr_init; all callers changed.
18478         (df_word_lr_confluence_n): Renamed from df_byte_lr_confluence_n; all
18479         callers changed.  Ignore hard regs.
18480         (df_word_lr_transfer_function): Renamed from
18481         df_byte_lr_transfer_function; all callers changed.
18482         (df_word_lr_free): Renamed from df_byte_lr_free; all callers changed.
18483         (df_word_lr_top_dump): Renamed from df_byte_lr_top_dump; all callers
18484         changed.
18485         (df_word_lr_bottom_dump): Renamed from df_byte_lr_bottom_dump; all
18486         callers changed.
18487         (problem_WORD_LR): Renamed from problem_BYTE_LR; uses changed;
18488         confluence operator 0 set to NULL.
18489         (df_word_lr_add_problem): Renamed from df_byte_lr_add_problem; all
18490         callers changed.
18491         (df_word_lr_simulate_defs): Renamed from df_byte_lr_simulate_defs.
18492         Return bool, true if bitmap changed or insn otherwise necessary.
18493         All callers changed.  Simplify using df_word_lr_mark_ref.
18494         (df_word_lr_simulate_uses): Renamed from df_byte_lr_simulate_uses;
18495         all callers changed.  Simplify using df_word_lr_mark_ref.
18496         * lower-subreg.c: Include "dce.h"
18497         (decompose_multiword_subregs): Call run_word_dce if df available.
18498         * Makefile.in (lower-subreg.o): Adjust dependencies.
18499         (df-byte-scan.o): Delete.
18500         * timevar.def (TV_DF_WORD_LR): Renamed from TV_DF_BYTE_LR.
18501
18502 2010-07-29  Richard Guenther  <rguenther@suse.de>
18503
18504         * tree.c (build_vector): Assert that the vector constant
18505         has enough elements.
18506         (build_vector_from_ctor): Pad with trailing zeros.
18507
18508 2010-07-29  Richard Guenther  <rguenther@suse.de>
18509
18510         PR tree-optimization/45120
18511         * tree-ssa-structalias.c (get_constraint_for_component_ref):
18512         Handle offset in DEREFs properly.
18513         (get_constraint_for_1): Handle MEM_REF offset properly.
18514
18515 2010-07-29  Richard Guenther  <rguenther@suse.de>
18516
18517         PR middle-end/45034
18518         * convert.c (convert_to_integer): Always use an unsigned
18519         type for narrowed negate and bitwise not.
18520
18521 2010-07-29  Ira Rosen  <irar@il.ibm.com>
18522
18523         * tree-vect-loop.c (vect_create_epilog_for_reduction): Switch
18524         to outer loop when creating reduction epilogue for double reduction,
18525         and switch back to the inner loop when updating the phi nodes.
18526         Update uses of outer loop exit phi nodes in double reduction (instead
18527         of uses of reduction).
18528
18529 2010-07-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
18530
18531         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update costs for
18532         popcount on power7 and parity on power6 systems.
18533         (rs6000_emit_popcount): Rename gen_popcntwsi2 to gen_popcntddi2.
18534         (rs6000_emit_parity): Add support for power6 prtyd/prtyw
18535         instructions.
18536
18537         * config/rs6000/rs6000.md (UNSPEC_COPYSIGN): New unspec.
18538         (UNSPEC_PARITY): Ditto.
18539         (SFDF): New iterator for SF/DF.
18540         (rreg2): New mode attribute for floating register constraint.
18541         (TARGET_FLOAT): New mode attribute for whether single/double float
18542         is supported.
18543         (popcntd<mode>2): Combine popcntwsi2 and popcntddi2 into one
18544         pattern.
18545         (parity<mode>2_cmpb): New insn for parity on power6 and newer
18546         machines.
18547         (copysign<mode>3): Combine copysignsf3, copysigndf3 into one
18548         pattern.  Add support for fcpsgn instruction added in power6.
18549         (copysignsf3): Delete.
18550         (copysigndf3): Delete.
18551         (copysign<mode>3_fcpsgn): New insn to generate fcpsgn.  Use UNSPEC
18552         instead of if_then_else in RTL to avoid problems with -0.
18553
18554         * config/rs6000/vsx.md (vsx_copysign<mode>3): Use UNSPEC instead
18555         of if_then_else to mirror scalar code.
18556         (vsx_copysignsf3): Delete, use copysign<mode>3_fcpsgn in
18557         rs6000.md.
18558
18559         * config/rs6000/vector.md (vector_copysign<mode>3): Use UNSPEC
18560         instead of if_then_else.
18561
18562 2010-07-28  Xinliang David Li  <davidxl@google.com>
18563
18564         * tree-ssa-loop-ivopts.c (avg_loop_niter): New function.
18565         (dump_cand): Dump var_before/after.
18566         (htab_inv_expr_eq): New function.
18567         (htab_inv_expr_hash): New function.
18568         (tree_ssa_iv_optimize_init): Support pseudo invariants.
18569         (add_candidate_1): consider base type precision.
18570         (set_use_iv_cost): New parameter.
18571         (adjust_setup_cost): Use profile information.
18572         (get_address_cost): Do not hard code width in computing address
18573         offset limits.
18574         (compare_aff_trees): New function.
18575         (get_loop_invariant_expr_id): New function.
18576         (get_computation_cost_at): New parameter and use profile information.
18577         (get_computation_cost): New parameter.
18578         (determine_use_iv_cost_generic): Pass new parameter.
18579         (determine_use_iv_cost_address): Ditto.
18580         (determine_use_iv_cost_condition): Ditto.
18581         (autoinc_possible_for_pair): Ditto.
18582         (determine_use_iv_costs): More dumps.
18583         (iv_ca_get_num_inv_exprs): New function.
18584         (iv_ca_recount_cost): Consider loop invariants in register pressure
18585         cost.
18586         (iv_ca_add_use): New parameter.
18587         (iv_ca_dump): Better dumping.
18588         (iv_ca_extend): New parameter.
18589         (try_add_cand_for): Attempt to get better partial solution.
18590         (try_improve_iv_set): Pass new parameter to iv_ca_extend.
18591         (create_new-ivs): More dumps.
18592         (rewrite_use_compare): Ditto.
18593         (free_loop_data): More cleanup.
18594         (treee_ssa_iv_optimize_finalize): Ditto.
18595
18596 2010-07-28  Kai Tietz  <kai.tietz@onevision.com>
18597
18598         * config/i386/i386.h (MCOUNT_NAME_BEFORE_PROLOGUE): New.
18599         * config/i386/i386.c (ix86_profile_before_prologue): New.
18600         (override_options): Add special handling for -mfentry.
18601         (ix86_function_regparm): Likewise.
18602         (ix86_function_sseregparm): Likewise.
18603         (ix86_frame_pointer_required): Likewise.
18604         (ix86_expand_prologue): Check for ms_hook_prologue.
18605         (x86_function_profiler): Adjust mcount output.
18606         (TARGET_PROFILE_BEFORE_PROLOGUE): Define hook.
18607         * config/i386/i386.opt (mfentry): New.
18608         * doc/invoke.texi (mfentry): Add documentation.
18609         * doc/tm.texi: Regenerated..
18610         * doc/tm.texi.in (TARGET_PROFILE_BEFORE_PROLOGUE): New.
18611         * final.c (final_start_function): Replace macro
18612         PROFILE_BEFORE_PROLOGUE by target hook.
18613         * function.c (thread_prologue_and_epilogue_insns): Likewise.
18614         * target.def (profile_before_prologue): New hook.
18615         * targhooks.c (default_profile_before_prologue): New.
18616         * targhooks.h (default_profile_before_prologue): New.
18617
18618 2010-07-28  Jakub Jelinek  <jakub@redhat.com>
18619
18620         PR debug/45105
18621         * gcse.c (hoist_code): Use FOR_BB_INSNS macro.
18622
18623         PR debug/45103
18624         * dwarf2out.c (dwarf2out_var_location): Always consider
18625         NOTE_DURING_CALL_P notes, even when not followed by real instructions.
18626
18627 2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
18628
18629         PR rtl-optimization/45107
18630         * gcse.c (hash_scan_set): Use max_distance for gcse-las.
18631
18632 2010-07-28  Richard Guenther  <rguenther@suse.de>
18633
18634         * tree-ssa-ccp.c: Remove comment regarding STORE-CCP.
18635         (set_lattice_value): Do not query an old default value.
18636         (get_value_for_expr): New function.  Properly canonicalize
18637         float values.
18638         (ccp_visit_phi_node): Use it.
18639
18640 2010-07-28  Chung-Lin Tang  <cltang@codesourcery.com>
18641
18642         * config/arm/arm.c (arm_pcs_default): Remove static.
18643         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
18644         __ARM_PCS_VFP to indicate soft/hard-float calling convention.
18645         (arm_pcs_default): Declare.
18646
18647 2010-07-28  Iain Sandoe  <iains@gcc.gnu.org>
18648
18649         * config/rs6000/rs6000.c (rs6000_override_options):
18650         Use TARGET_MACHO inline, move darwin_one_byte_bool from here...
18651         ... to darwin_rs6000_override_options.
18652         (rs6000_return_in_memory): Update preceding comment for darwin
18653         64 bit ABI.  Use TARGET_MACHO inline.
18654         (rs6000_darwin64_struct_check_p): New.
18655         (function_arg_advance): Use rs6000_darwin64_struct_check_p.
18656         (function_arg): Likewise.
18657         (rs6000_arg_partial_bytes): Likewise.
18658         (rs6000_function_value): Likewise.
18659
18660 2010-07-28  Andi Kleen  <ak@linux.intel.com>
18661
18662         * lto-opts.c (lto_file_read_options): Add loop over all inputs.
18663
18664 2010-07-28  Richard Guenther  <rguenther@suse.de>
18665
18666         PR middle-end/44903
18667         * builtins.c (fold_builtin_memory_op): On STRICT_ALIGNMENT
18668         targets try harder to not generate unaligned accesses.
18669
18670 2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
18671
18672         PR rtl-optimization/45101
18673         * gcse.c (hash_scan_set): Fix argument ordering of insert_expr_in_table
18674         for gcse-las.
18675
18676 2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>
18677
18678         PR tree-optimization/44885
18679         * tree-sra.c (find_param_candidates): Skip pointer types to arrays
18680         with non-aliased component.
18681
18682 2010-07-28  Joseph Myers  <joseph@codesourcery.com>
18683
18684         * config/darwin-driver.c (SWITCH_TAKES_ARG,
18685         WORD_SWITCH_TAKES_ARG): Remove.
18686         * cppspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
18687         * defaults.h (DEFAULT_SWITCH_TAKES_ARG,
18688         DEFAULT_WORD_SWITCH_TAKES_ARG): Move from gcc.h.
18689         (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move default
18690         definitions from gcc.c.
18691         * gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move to
18692         defaults.h.
18693         * gcc.h (DEFAULT_SWITCH_TAKES_ARG, DEFAULT_WORD_SWITCH_TAKES_ARG):
18694         Move to defaults.h.
18695         * opts-common.c: Include tm.h.
18696         (decode_cmdline_option): Use SWITCH_TAKES_ARG and
18697         WORD_SWITCH_TAKES_ARG to count arguments to unknown options.
18698         Handle more than one argument.  Set canonical_option_num_elements.
18699         (decode_cmdline_options_to_array): Set
18700         canonical_option_num_elements and trailing elements of
18701         canonical_option.
18702         * opts.h (struct cl_decoded_option): Allow four elements in
18703         canonical_option.  Add field canonical_option_num_elements.
18704         * Makefile.in (opts-common.o): Update dependencies.
18705
18706 2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>
18707
18708         PR middle-end/44790
18709         PR middle-end/44993
18710         * expr.c (expand_expr_real_1) <MEM_REF>: Revert latest change.  Make
18711         sure the base has address_mode before adding the offset.
18712
18713 2010-07-27  Xinliang David Li  <davidxl@google.com>
18714
18715         * tree-flow.h (create_mem_ref): Add one new parameter.
18716         * tree-ssa-address.c (create_mem_ref): New parameter.
18717         (addr_to_parts): Ditto.
18718         (move_variant_to_index): New function.
18719         * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass new argument.
18720
18721 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
18722
18723         * rtl.def (DEBUG_INSN, INSN, JUMP_INSN, CALL_INSN, NOTE): Swap operands
18724         4 and 5.
18725         * rtl.h (PATTERN, INSN_LOCATOR, NOTE_DATA, NOTE_DELETED_LABEL_NAME,
18726         NOTE_BLOCK, NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION,
18727         NOTE_KIND, LABEL_NUSES, LABEL_REFS): Adjust accordingly.
18728         * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of
18729         CODE_LABELs and NOTEs.
18730         * caller-save.c (init_caller_save): Fix up gen_rtx_INSN call.
18731         * combine.c (try_combine): Likewise.
18732         * ira.c (setup_prohibited_mode_move_regs): Likewise.
18733         * print-rtl.c (print_rtx): Start REG_NOTES on a new line.
18734
18735 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
18736
18737         * coretypes.h (struct cl_option_handlers): Declare.
18738         * hooks.c (hook_int_size_t_constcharptr_int_0): Remove.
18739         * hooks.h (hook_int_size_t_constcharptr_int_0): Remove.
18740         * langhooks-def.h (lhd_handle_option): Declare.
18741         (LANG_HOOKS_HANDLE_OPTION): Use lhd_handle_option.
18742         * langhooks.c (lhd_handle_option): New.
18743         * langhooks.h (struct lang_hooks): Update prototype and return
18744         value type of handle_option hook.
18745         * optc-gen.awk: Generate target_flags_explicit definition for the
18746         driver.
18747         * opts-common.c: Include diagnostic.h.
18748         (handle_option): Move from opts.c.  Update prototype and return
18749         value type.  Use handlers structure.
18750         (read_cmdline_option): Move from opts.c.  Update prototype.  Use
18751         handlers structure.
18752         (set_option): Move from opts.c.
18753         * opts.c (common_handle_option): Update prototype and return value
18754         type.  Update calls to handle_option and enable_warning_as_error.
18755         (unknown_option_callback, post_handling_callback,
18756         lang_handle_option, target_handle_option): New.
18757         (handle_option, read_cmdline_option): Move to opts-common.c.
18758         (read_cmdline_options): Update prototype.  Update call to
18759         read_cmdline_option.
18760         (decode_options): Initialize and use handlers structure.
18761         (set_option): Move to opts-common.c.
18762         (enable_warning_as_error): Update prototype.  Update call to
18763         handle_option.
18764         * opts.h (struct cl_option_handler_func, struct
18765         cl_option_handlers): New.
18766         (handle_option, enable_warning_as_error): Update prototypes.
18767         (read_cmdline_option): Declare.
18768         * Makefile.in (opts-common.o): Update dependencies.
18769
18770 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18771
18772         * config/arm/arm.c (params.h): Include.
18773         (arm_override_options): Tune gcse-unrestricted-cost.
18774         * config/arm/t-arm (arm.o): Define dependencies.
18775
18776 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18777
18778         PR target/42495
18779         PR middle-end/42574
18780         * basic-block.h (get_dominated_to_depth): Declare.
18781         * dominance.c (get_dominated_to_depth): New function, use
18782         get_all_dominated_blocks as a base.
18783         (get_all_dominated_blocks): Use get_dominated_to_depth.
18784
18785         * gcse.c (occr_t, VEC (occr_t, heap)): Define.
18786         (hoist_exprs): Remove.
18787         (alloc_code_hoist_mem, free_code_hoist_mem): Update.
18788         (compute_code_hoist_vbeinout): Add debug print outs.
18789         (hoist_code): Partially rewrite, simplify.  Use get_dominated_to_depth.
18790
18791         * params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
18792         quadratic behavior.
18793         * params.h (MAX_HOIST_DEPTH): New macro.
18794         * doc/invoke.texi (max-hoist-depth): Document.
18795
18796 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18797
18798         PR rtl-optimization/40956
18799         * config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
18800         constants.
18801
18802 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18803
18804         PR target/42495
18805         PR middle-end/42574
18806         * config/arm/arm.c (legitimize_pic_address): Use
18807         gen_calculate_pic_address pattern to emit calculation of PIC address.
18808         (will_be_in_index_register): New function.
18809         (arm_legitimate_address_outer_p, thumb2_legitimate_address_p,)
18810         (thumb1_legitimate_address_p): Use it provided !strict_p.
18811         * config/arm/arm.md (calculate_pic_address): New expand and split.
18812
18813 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18814
18815         PR target/42495
18816         PR middle-end/42574
18817         * config/arm/arm.c (thumb1_size_rtx_costs): Add cost for "J" constants.
18818         * config/arm/arm.md (define_split "J", define_split "K"): Make
18819         IRA/reload friendly.
18820
18821 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18822
18823         * gcse.c (insert_insn_end_basic_block): Update signature, remove
18824         unused checks.
18825         (pre_edge_insert, hoist_code): Update.
18826
18827 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18828
18829         PR target/42495
18830         PR middle-end/42574
18831         * gcse.c (hoist_expr_reaches_here_p): Remove excessive check.
18832
18833 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18834
18835         * gcse.c (hoist_code): Generate new pseudo for every new set insn.
18836
18837 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18838
18839         PR rtl-optimization/40956
18840         PR target/42495
18841         PR middle-end/42574
18842         * gcse.c (compute_code_hoist_vbeinout): Consider more expressions
18843         for hoisting.
18844         (hoist_code): Count occurences in current block too.
18845
18846 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18847
18848         * gcse.c (struct expr:max_distance): New field.
18849         (doing_code_hoisting_p): New static variable.
18850         (want_to_gcse_p): Change signature.  Allow constrained hoisting of
18851         simple expressions, don't change behavior for PRE.  Set max_distance.
18852         (insert_expr_in_table): Set new max_distance field.
18853         (hash_scan_set): Update.
18854         (hoist_expr_reaches_here_p): Stop search after max_distance
18855         instructions.
18856         (find_occr_in_bb): New static function.  Use it in ...
18857         (hoist_code): Calculate sizes of basic block before any changes are
18858         done.  Pass max_distance to hoist_expr_reaches_here_p.
18859         (one_code_hoisting_pass): Set doing_code_hoisting_p.
18860
18861         * params.def (PARAM_GCSE_COST_DISTANCE_RATIO,)
18862         (PARAM_GCSE_UNRESTRICTED_COST): New parameters.
18863         * params.h (GCSE_COST_DISTANCE_RATIO, GCSE_UNRESTRICTED_COST): New
18864         macros.
18865         * doc/invoke.texi (gcse-cost-distance-ratio, gcse-unrestricted-cost):
18866         Document.
18867
18868 2010-07-27  Jeff Law  <law@redhat.com>
18869             Maxim Kuvyrkov  <maxim@codesourcery.com>
18870
18871         * gcse.c (compute_transpout, transpout): Remove, move logic
18872         to prune_expressions.
18873         (compute_pre_data): Move pruning of trapping expressions ...
18874         (prune_expressions): ... here.  New static function.
18875         (compute_code_hoist_data): Use it.
18876         (alloc_code_hoist_mem, free_code_hoist_mem, hoist_code): Update.
18877
18878 2010-07-27  Xinliang David Li  <davidxl@google.com>
18879
18880         * tree-ssa-loop-ivopts.c (adjust_iv_update_pos): New function.
18881         (rewrite_use_address): Adjust iv update position when needed.
18882
18883 2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
18884
18885         * dbgcnt.def (hoist_insn): New debug counter.
18886         * gcse.c (hoist_code): Use it.
18887
18888 2010-07-27  Xinliang David Li  <davidxl@google.com>
18889
18890         * tree-ssa-loop-ivopts.c (niter_for_exit): New parameter.
18891         (niter_for_single_dom_exit): Passes additional parameter.
18892         (iv_period): Fix comments.
18893         (may_eliminate_iv): Handles multiple exit loops properly.
18894         (free_tree_niter_desc): New function.
18895         (free_loop_data): Frees up loop iteration descriptors.
18896
18897 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
18898
18899         PR target/44542
18900         * cfgexpand.c (expand_one_stack_var_at): Limit align to maximum
18901         of max_used_stack_slot_alignment and PREFERRED_STACK_BOUNDARY
18902         instead of MAX_SUPPORTED_STACK_ALIGNMENT.
18903         (expand_one_var): Don't consider DECL_ALIGN for variables for
18904         which expand_one_stack_var_at has been already called.
18905
18906         PR testsuite/44701
18907         * doc/md.texi: Clarify m and es constraints on PowerPC and m and S
18908         constraints on IA-64.
18909
18910 2010-07-27  Jie Zhang  <jie@codesourcery.com>
18911
18912         PR target/44290
18913         Revert:
18914         2010-07-23  Jie Zhang  <jie@codesourcery.com>
18915
18916         * tree-sra.c (ipa_sra_preliminary_function_checks): Return
18917         false if ! tree_versionable_function_p.
18918
18919 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
18920
18921         * dwarf2out.c (add_data_member_location_attribute): Use
18922         add_AT_unsigned instead of add_AT_int if offset is non-negative.
18923
18924 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
18925
18926         * postreload.c (try_replace_in_use): New static function.
18927         (reload_combine_recognize_const_pattern): Use it here.  Allow
18928         substituting into a final add insn, and substituting into a memory
18929         reference in an insn that sets the reg.
18930
18931 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
18932
18933         * common.opt (o): Add MissingArgError.
18934         * doc/options.texi (MissingArgError): Document.
18935         * hooks.c (hook_bool_constcharptr_size_t_false): Remove.
18936         * hooks.h (hook_bool_constcharptr_size_t_false): Remove.
18937         * langhooks-def.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
18938         (LANG_HOOKS_INITIALIZER): Remove missing_argument hook initializer.
18939         * langhooks.h (struct lang_hooks): Remove missing_argument.
18940         * optc-gen.awk: Handle MissingArgError and output new structure
18941         field initializers.
18942         * opts.c (read_cmdline_option): Use missing_argument_error field
18943         instead of missing_argument langhook.
18944         * opts.h (struct cl_option): Add missing_argument_error field.
18945         * system.h (LANG_HOOKS_MISSING_ARGUMENT): Poison.
18946
18947 2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>
18948
18949         PR target/29090
18950         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Special-case the
18951         Darwin64 ABI, for zero-sized objects.
18952
18953 2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>
18954
18955         PR target/35491
18956         PR target/29090
18957
18958         Merge from Apple local 4.2.1.
18959         2005-05-11  Stan Shebs  <shebs@apple.com>
18960         Fix 64-bit varargs for Darwin (Radar 4028089).
18961         * config/rs6000/rs6000.h (rs6000_args): New field floats_in_gpr.
18962         * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_flush):
18963         Add argument, add case for 8-byte register half-filled with a float.
18964         (rs6000_darwin64_record_arg_advance_recurse): Detect and handle
18965         single-precision floats specially.
18966
18967 2010-07-27  Ira Rosen  <irar@il.ibm.com>
18968
18969         PR tree-optimization/44152
18970         * tree-vect-slp.c (vect_build_slp_tree): Collect nodes with
18971         complex numbers for further check.
18972         (vect_supported_load_permutation_p): Check nodes with
18973         complex numbers.
18974
18975 2010-07-27  Joseph Myers  <joseph@codesourcery.com>
18976
18977         * langhooks-def.h (lhd_init_options, LANG_HOOKS_OPTION_LANG_MASK,
18978         LANG_HOOKS_COMPLAIN_WRONG_LANG_P): New.
18979         (LANG_HOOKS_INIT_OPTIONS): Update default definition.
18980         (LANG_HOOKS_INITIALIZER): Add new hooks.
18981         * langhooks.c (lhd_init_options, lhd_complain_wrong_lang_p): New.
18982         * langhooks.h (struct lang_hooks): Add new hooks option_lang_mask
18983         and complain_wrong_lang_p.  Update init_options prototype.
18984         * c-objc-common.c (c_initialize_diagnostics): First call
18985         c_common_initialize_diagnostics.
18986         * c-objc-common.h (LANG_HOOKS_OPTION_LANG_MASK,
18987         LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.
18988         * coretypes.h (struct cl_option, struct cl_decoded_option): Declare.
18989         * hooks.c (hook_uint_uint_constcharptrptr_0): Remove.
18990         (hook_uint_void_0): New.
18991         * hooks.h (hook_uint_uint_constcharptrptr_0): Remove.
18992         (hook_uint_void_0): New.
18993         * opts-common.c (decode_cmdline_option,
18994         decode_cmdline_options_to_array): Also fill in canonical_option field.
18995         * opts.c (complain_wrong_lang): Use langhook to determine whether
18996         to complain instead of special-casing LTO.
18997         (decode_options): Separate lang_mask determination with
18998         option_lang_mask hook from call of init_options hook.
18999         * opts.h (struct cl_decoded_option): Add canonical_option.
19000
19001 2010-07-27  Jakub Jelinek  <jakub@redhat.com>
19002
19003         PR tree-optimization/45083
19004         * tree-inline.c (add_local_variables): Also remap DECL_DEBUG_EXPR.
19005
19006 2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>
19007
19008         * postreload.c (reload_combine_recognize_const_pattern): Move test
19009         for limiting the insn movement to the right scope.
19010
19011         PR rtl-optimization/45051
19012         * reload1.c (delete_output_reload): Use refers_to_regno_p rather
19013         than reg_mentioned_p.
19014
19015 2010-07-26  Richard Henderson  <rth@redhat.com>
19016
19017         PR target/44132
19018         * tree-emutls.c: New file.
19019         * Makefile.in (OBJS-common): Add it.
19020         * tree-pass.h (pass_ipa_lower_emutls): Declare.
19021         * passes.c (init_optimization_passes): Add it.
19022
19023         * dwarf2out.c (loc_list_from_tree): If emutls.debug_form_tls_address,
19024         pull the control variable from DECL_VALUE_EXPR, not emutls_decl.
19025         * expr.c (emutls_var_address): Delete.
19026         (expand_expr_addr_expr_1, expand_expr_real_1): Don't use it.
19027         * output.h (SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL): Delete.
19028         (emutls_finish): Delete.
19029         * toplev.c (compile_file): Don't call it.
19030         * tree.h (emutls_decl): Delete.
19031         * varasm.c (emutls_htab, DECL_EMUTLS_VAR_P): Delete.
19032         (emutls_finish, emutls_finalize_control_var): Delete.
19033         (emutls_object_type): Move to tree-emutls.c.
19034         (EMUTLS_SEPARATOR, prefix_name, get_emutls_object_name,
19035         default_emutls_var_fields, get_emutls_object_type,
19036         get_emutls_init_templ_addr, emutls_decl, emutls_common_1
19037         default_emutls_var_init): Likewise.
19038         (get_variable_section): Don't special case emutls.
19039         (assemble_variable, do_assemble_alias, categorize_decl_for_section,
19040         default_elf_select_section, default_unique_section,
19041         default_encode_section_info): Likewise.
19042         * varpool.c (decide_is_variable_needed): Likewise.
19043         * gimple-iterator.c (update_call_edge_frequencies): New
19044         (gsi_insert_on_edge_immediate): Use it.
19045         (gsi_insert_seq_on_edge_immediate): Likewise.
19046         (gsi_commit_one_edge_insert): Likewise.
19047
19048         * config/i386/i386.c (x86_64_elf_select_section): Don't handle
19049         SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL.
19050         (x86_64_elf_unique_section): Likewise.
19051
19052 2010-07-26  Jan Hubicka  <jh@suse.cz>
19053
19054         * lto-streamer.h (struct lto_file_decl_data): Mark resolutions with
19055         GTY((skip)).
19056
19057 2010-07-26  Anatoly Sokolov  <aesok@post.ru>
19058
19059         * target.def (output_source_filename): New hook.
19060         * doc/tm.texi.in (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Document.
19061         * doc/tm.texi: Regenerate.
19062         * toplev.c (output_file_directive) Remove function.
19063         * toplev.h (output_file_directive) Remove.
19064         * output.h (default_asm_output_source_filename,
19065         output_file_directive): Declare.
19066         * varasm.h (default_asm_output_source_filename,
19067         output_file_directive): New functions.
19068
19069         * config/mips/mips.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
19070         * config/mips/mips-protos.h (mips_output_filename): Remove.
19071         * config/mips/mips.c (mips_output_filename): Make Static.
19072         (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.
19073
19074 2010-07-26  Richard Guenther  <rguenther@suse.de>
19075
19076         PR tree-optimization/43784
19077         * tree-nrv.c (dest_safe_for_nrv_p): It's not safe to NRV
19078         if the destination is used by the call.
19079
19080 2010-07-26  Richard Guenther  <rguenther@suse.de>
19081
19082         PR middle-end/45073
19083         * gimple-fold.c (gimplify_and_update_call_from_tree): Conditionalize
19084         SSA updating on being in SSA form.
19085
19086 2010-07-26  Richard Guenther  <rguenther@suse.de>
19087
19088         PR middle-end/45056
19089         * gimple-fold.c (fold_stmt_1): Also fold references in debug stmts.
19090
19091 2010-07-26  Richard Guenther  <rguenther@suse.de>
19092
19093         PR tree-optimization/45071
19094         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Always
19095         adjust op->opcode.
19096
19097 2010-07-26  Naveen.H.S  <naveen.S@kpitcummins.com>
19098
19099         * config/v850/lib1funcs.asm (save_r2_r31, return_r2_r31,
19100         save_r20_r31, return_r20_r31, save_r21_r31, return_r21_r31,
19101         save_r22_r31, return_r22_r31, save_r23_r31, return_r23_r31,
19102         save_r24_r31, return_r24_r31, save_r25_r31, return_r25_r31,
19103         save_r26_r31, return_r26_r31, save_r27_r31, return_r27_r31,
19104         save_r28_r31, return_r28_r31, save_r29_r31, return_r29_r31,
19105         save_r31, return_r31, save_interrupt, return_interrupt,
19106         save_all_interrupt, return_all_interrupt, L_save_r2_r31,
19107         L_return_interrupt, callt_return_interrupt, L_restore_all_interrupt,
19108         L_save_##START##_r31c, L_callt_save_r31c): Updated as per the
19109         new ABI requirements.
19110         (save_r6_r9, L_callt_save_r6_r9): Remove.
19111         * config/v850/predicates.md (even_reg_operand, disp23_operand,
19112         const_float_1_operand const_float_0_operand): New Predicates.
19113         (pattern_is_ok_for_prepare, pattern_is_ok_for_prologue,
19114         pattern_is_ok_for_epilogue): Update as per the ABI requirements.
19115         * config/v850/t-v850: Update multilibs for new target variants.
19116         (save_varargs, callt_save_varargs, callt_save_r6_r9): Remove.
19117         * config/v850/t-v850e: Likewise.
19118         * config/v850/v850.c (v850_issue_rate): New.
19119         (v850_strict_argument_naming): New.
19120         (function_arg): Modify to generate a different ABI.
19121         (print_operand): Update case 'z' to support float modes.
19122         (output_move_single): Modify to generate appropriate and better
19123         assembly.
19124         (v850_float_z_comparison_operator, v850_select_cc_mode,
19125         v850_float_nz_comparison_operator,  v850_gen_float_compare,
19126         v850_gen_compare): New functions to support comparison of float values.
19127         (ep_memory_offset): Add support for V850E2 targets.
19128         (INTERRUPT_FIXED_NUM, INTERRUPT_ALL_SAVE_NUM): Update.
19129         (INTERRUPT_REGPARM_NUM): Remove.
19130         (compute_register_save_size): Add extra case to save/restore long call.
19131         (use_prolog_function): New function to support prologue.
19132         (expand_prologue): Add support for V850E2 targets and modified
19133         as per the current ABI requirements.
19134         (expand_epilogue): Likewise.
19135         (construct_restore_jr): Modify based on TARGET_LONG_CALLS.
19136         (construct_save_jarl): Likewise.
19137         (construct_dispose_instruction): Update as per the current ABI
19138         requirements.
19139         (construct_prepare_instruction): Likewise.
19140         * config/v850/v850.h (TARGET_CPU_DEFAULT): Add target predefines.
19141         (TARGET_CPU_v850e2, TARGET_CPU_v850e2v3): Define
19142         (CPP_SPEC): Updated to support v850e2 targets.
19143         (STRICT_ALIGNMENT): Modified.
19144         (FIRST_PSEUDO_REGISTER): Updated to add even registers.
19145         (FIXED_REGISTERS): Likewise.
19146         (CALL_USED_REGISTERS): Likewise.
19147         (CONDITIONAL_REGISTER_USAGE): Updated.
19148         (HARD_REGNO_MODE_OK): Updated.
19149         (reg_class): Updated to add even registers.
19150         (REG_CLASS_NAMES): Likewise.
19151         (REG_CLASS_CONTENTS): Likewise.
19152         (REGNO_REG_CLASS): Updated for CC registers.
19153         (REG_CLASS_FROM_LETTER): Added support for even registers.
19154         (REGNO_OK_FOR_BASE_P): Updated for CC registers.
19155         (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, LINK_POINTER_REGNUM,
19156         ARG_POINTER_REGNUM): Updated.
19157         (FUNCTION_ARG_ADVANCE): Define.
19158         (REG_PARM_STACK_SPACE): Update as per the current ABI requirements.
19159         (OUTGOING_REG_PARM_STACK_SPACE): Remove.
19160         (EXTRA_CONSTRAINT): Add new constraint 'W' for 23-bit displacement.
19161         (GO_IF_LEGITIMATE_ADDRESS): Updated.
19162         (SELECT_CC_MODE): Define.
19163         (REGISTER_NAMES): Updated to add psw and fcc registers.
19164         (ADDITIONAL_REGISTER_NAMES): Updated.
19165         (ASM_OUTPUT_ADDR_DIFF_ELT): Updated to support new targets.
19166         (JUMP_TABLES_IN_TEXT_SECTION): Updated.
19167         * config/v850/v850.md (define_constants): Define new constants.
19168         (type): Update store,bit1,macc,div,fpu and single attributes.
19169         (cpu): New attribute.
19170         (cc): Add set_z attribute.
19171         (unsign23byte_load, sign23byte_load, unsign23hword_load,
19172         sign23hword_load, 23word_load, 23byte_store, 23hword_store,
19173         23word_store): New instructions for 23-bit displacement load and store.
19174         (movqi_internal, movhi_internal): Update the attributes.
19175         (movsi, movsi_internal_v850e): Updated to support v850e2 targets.
19176         (movsi_internal_v850e, movsi_internal, movsf_internal): Update
19177         the attributes.
19178         (v850_tst1): Modified using CC_REGNUM.
19179         (tstsi): Remove.
19180         (cmpsi): Modified as define_expand from define_insn.
19181         (cmpsi_insn, cmpsf, cmpdf): New instructions.
19182         (addsi3, subsi3, negsi2, divmodsi4, udivmodsi4, divmodhi4,
19183         udivmodhi4, v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3,
19184         v850_set1_1, v850_set1_3, iorsi3, v850_not1_1, v850_not1_3, xorsi3,
19185         one_cmplsi2): Clobber the CC_REGNUM register.
19186         (v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3, v850_set1_1,
19187         v850_set1_2, v850_set1_3, iorsi3, v850_not1_1, v850_not1_2,
19188         v850_not1_3, xorsi3, one_cmplsi2): Update the attributes accordingly.
19189         (setf_insn, set_z_insn, set_nz_insn): New instructions for
19190         v850e2v3 target.
19191         (movsicc_normal_cc, movsicc_reversed_cc): New instructions.
19192         (movsicc, movsicc_normal, movsicc_reversed): Add support for V850E2
19193         targets.
19194         (sasf_1, sasf_2): Remove.
19195         (sasf): New instruction.
19196         (rotlhi3, rotlhi3_8, rotlsi3, rotlsi3_16): Update to support V850E2
19197         targets. CC_REGNUM register is clobbered and attributes are
19198         updated.
19199         (branch_z_normal, branch_z_invert, branch_nz_normal,
19200         branch_nz_invert): New branch related instructions.
19201         (jump): Updated the attributes.
19202         (switch): Update to support new targets. CC_REGNUM register is
19203         clobbered and attributes are updated.
19204         (call_internal_short, call_internal_long, call_value_internal_short,
19205         call_value_internal_long): Updated the attributes.
19206         (zero_extendhisi2, zero_extendqisi2): CC_REGNUM register is
19207         clobbered and attributes are updated.
19208         (extendhisi_insn, extendhisi2, extendqisi_insn, extendqisi2):
19209         Update to support new targets. CC_REGNUM register is clobbered.
19210         (ashlsi3_v850e2, lshrsi3_v850e2, ashrsi3_v850e2): New shift
19211         instructions.
19212         (lshrsi3, ashrsi3): CC_REGNUM register is clobbered and attributes
19213         are updated.
19214         (ffssi2, addsf3, adddf3, subsf3, subdf3, mulsf3, muldf3, divsf3,
19215         divdf3, minsf3, mindf3, maxsf3, maxdf3, abssf2, absdf2, negsf2,
19216         negdf2, sqrtsf2, sqrtdf2, truncsfsi2, truncdfsi2, floatsisf2,
19217         floatsidf2, extendsfdf2, extenddfsf2, recipsf2, recipdf2,
19218         rsqrtsf2, rsqrtdf2, maddsf4, msubsf4, nmaddsf4, nmsubsf4,
19219         cmpsf_le_insn, cmpsf_lt_insn, cmpsf_ge_insn, cmpsf_gt_insn,
19220         cmpsf_eq_insn, cmpsf_ne_insn, cmpdf_le_insn, cmpdf_lt_insn,
19221         cmpdf_ge_insn, cmpdf_gt_insn, cmpdf_eq_insn, cmpdf_ne_insn, trfsr,
19222         movsfcc, movdfcc, movsfcc_z_insn, movsfcc_nz_insn, movdfcc_z_insn,
19223         movdfcc_nz_insn, movedfcc_z_zero, movedfcc_nz_zero): New floating
19224         point instructions defined for V850e2v3 target.
19225         (callt_save_interrupt, callt_return_interrupt, return_interrupt):
19226         Add support for V850E2 targets and CC_REGNUM register is clobbered.
19227         (callt_save_all_interrupt, callt_restore_all_interrupt): Add
19228         support for new targets.
19229         * config/v850/v850-modes.def: New file.
19230         * config/v850/v850.opt(mstrict-align): Remove.
19231         (mno-strict-align, mjump-tables-in-data-section, mv850e2,
19232         mv850e2v3): New command line options for V850.
19233         * config.gcc: Update the newly added files.
19234         * doc/invoke.texi: Update the newly added command line options for
19235         V850 target.
19236
19237 2010-07-26  Richard Guenther  <rguenther@suse.de>
19238
19239         PR tree-optimization/45052
19240         * ipa-pure-const.c (check_stmt): Check volatileness.
19241
19242 2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>
19243
19244         PR target/44707
19245         * config/sparc/sparc-protos.h (sparc_legitimize_reload_address): New.
19246         * config/sparc/sparc.c: Include reload.h.
19247         (legitimize_tls_address): Rename into...
19248         (sparc_legitimize_tls_address): ...this.
19249         (legitimize_pic_address): Rename into...
19250         (sparc_legitimize_pic_address): ...this.
19251         (sparc_expand_move): Adjust to above renaming.
19252         (sparc_tls_referenced_p): Likewise.
19253         (sparc_legitimize_tls_address): Likewise.
19254         (sparc_legitimize_pic_address): Likewise.
19255         (sparc_legitimize_address): Likewise.
19256         (sparc_output_mi_thunk): Likewise.
19257         (sparc_legitimize_reload_address): New global function.  Recognize
19258         (lo_sum (high ...) ...) patterns generated by earlier passes.
19259         * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Use above function.
19260
19261 2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>
19262
19263         PR target/44484
19264         * config/sparc/predicates.md (memory_reg_operand): Delete.
19265         * config/sparc/sync.md (sync_compare_and_swap): Minor tweaks.
19266         (*sync_compare_and_swap): Encode the address form in the pattern.
19267         (*sync_compare_and_swapdi_v8plus): Likewise.
19268
19269 2010-07-24  Gerald Pfeifer  <gerald@pfeifer.com>
19270
19271         * doc/install.texi (Specific, *-*-freebsd*): Adjust to recent changes.
19272         Streamline paragraph on compatibility with the system compiler.
19273
19274 2010-07-24  Steven Bosscher  <steven@gcc.gnu.org>
19275
19276         PR middle-end/45035
19277         * alias.c (true_dependence_1): Fix thinko in merge of old
19278         true_dependence and canon_true_dependence.
19279
19280 2010-07-23  Jan Hubicka  <jh@suse.cz>
19281
19282         * lto-streamer-out.c (write_symbol): Fix visibilities of external
19283         references.
19284
19285 2010-07-23  Le-Chun Wu  <lcwu@google.com>
19286
19287         * omega.c (omega_eliminate_redundant): Remove a self-assign statement.
19288         * tree-ssa-ccp.c (ccp_lattice_meet): Remove a self-assign statement
19289         and an unnecessary assignment.
19290         * dbxout.c (DEBUGGER_ARG_OFFSET): Change OFFSET to OFFSET+0 to avoid
19291         self-assign warning.
19292         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Remove
19293         unnecessary self-init.
19294
19295 2010-07-23  Richard Guenther  <rguenther@suse.de>
19296
19297         PR lto/43071
19298         * gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
19299         for -flto and -fwhopr.
19300
19301 2010-07-23  Kai Tietz  <kai.tietz@onevision.com>
19302
19303         PR target/41943
19304         * Makefile.in (USER_H_INC_NEXT_PRE, USER_H_INC_NEXT_POST): New.
19305         (stmp-int-hdrs): Prefix/postfix headers by include_next.
19306         * config.gcc (user_headers_inc_next_pre): New.
19307         (user_headers_inc_next_post): Likewise.
19308         (*-w64-mingw*): Use for float.h post-fixing, and for
19309         stddef.h/stdarg.h pre-fixing by include_next.
19310         * configure.ac (user_headers_inc_next_post): New.
19311         (user_headers_inc_next_pre): New.
19312         * configure: Regenerated.
19313
19314 2010-07-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
19315
19316         * configure.ac: Don't disable TLS on Solaris 8/9 by default
19317         Set tga_func for Solaris 2/x86 resp. SPARC.
19318         Remove duplicate parts of sparc*-sun-solaris2.* TLS check.
19319         (LIB_THREAD_LDFLAGS_SPEC): Define.
19320         (LIB_TLS_SPEC): Define.  Check for required Sun ld version.
19321         * configure: Regenerate.
19322         * config.in: Regenerate.
19323         * config/sol2.h (LIB_SPEC): Use LIB_THREAD_LDFLAGS_SPEC with
19324         -pthread, -threads, LIB_TLS_SPEC with -pthread.
19325         * doc/install.texi (Specific, *-*-solaris2*): Document use of
19326         alternate thread libraries on Solaris 8.
19327         Document TLS patch requirements.
19328         * doc/sourcebuild.texi (Add Options): Sort alphabetically.
19329         Document tls.
19330
19331         PR target/18788
19332         * config/sol2.h (LIB_SPEC): Link with thread libraries even with
19333         -shared.
19334
19335 2010-07-23  Jakub Jelinek  <jakub@redhat.com>
19336
19337         * tree.h (struct tree_base): Add nameless_flag bitfield.
19338         (TYPE_NAMELESS, DECL_NAMELESS): Define.
19339         * omp-low.c (create_omp_child_function, scan_omp_parallel,
19340         scan_omp_task, lower_omp_taskreg): Set DECL_NAMELESS and/or
19341         DECL_ARTIFICIAL where needed.
19342         * dwarf2out.c (dwarf2_name): Return NULL if DECL_NAMELESS.
19343         (type_tag): Return NULL if TYPE_NAMELESS or if TYPE_DECL
19344         has DECL_NAMELESS set.
19345
19346 2010-07-23  Martin Jambor  <mjambor@suse.cz>
19347
19348         PR tree-optimization/44915
19349         * ipa-cp.c (cgraph_gate_cp): Also check that optimize is true.
19350         * ipa-inline.c (cgraph_mark_inline_edge): Likewise.
19351         (analyze_function): Likewise.
19352
19353 2010-07-23  Martin Jambor  <mjambor@suse.cz>
19354
19355         PR tree-optimization/44914
19356         * tree-sra.c (sra_modify_function_body): Return true if CFG was
19357         changed, add purging dead eh edges.
19358         (ipa_sra_modify_function_body): Return true if CFG was changed,
19359         simplify purging dead eh edges.
19360         (modify_function): Return true if CFG was changed.
19361         (perform_intra_sra): Add TODO_cleanup_cfg to the return value if CFG
19362         was changed.
19363         (ipa_early_sra): Likewise.
19364
19365 2010-07-23  Jie Zhang  <jie@codesourcery.com>
19366
19367         PR target/44290
19368         * attribs.c (decl_attributes): Insert "noinline" and "noclone"
19369         if "naked".
19370         * tree-sra.c (ipa_sra_preliminary_function_checks): Return
19371         false if ! tree_versionable_function_p.
19372
19373 2010-07-23  Nathan Froyd  <froydnj@codesourcery.com>
19374
19375         * builtins.def (BUILT_IN_ARGS_INFO): Remove.
19376         * ipa-pure-const.c (special_builtlin_state): Remove
19377         BUILT_IN_ARGS_INFO case.
19378         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
19379         * builtins.c (expand_builtin): Likewise.
19380         (expand_builtin_args_info): Remove.
19381         * doc/tm.texi (__builtin_args_info): Remove.
19382         (__builtin_next_arg): Adjust to not refer to __builtin_args_info.
19383         * doc/tm.text.in: Likewise.
19384
19385 2010-07-23  Richard Guenther  <rguenther@suse.de>
19386
19387         * lto-symtab.c (lto_symtab_merge): Use gtc_mode enum values.
19388         (lto_symtab_merge_decls_2): Likewise.
19389         * tree-ssa.c (useless_type_conversion_p): Likewise.
19390         * lto-streamer-in.c (input_gimple_stmt): Likewise.
19391         * gimple.c (gtc_visited2, gtc_ob2): Remove.
19392         (struct type_pair_d): Make same_p an array indexed by mode.
19393         Update comment.
19394         (lookup_type_pair): Update initialization.
19395         (struct sccs): Adjust same_p type.
19396         (gimple_types_compatible_p_1, gtc_visit, gimple_types_compatible_p):
19397         Adjust.
19398         (print_gimple_types_stats): Likewise.
19399         * gimple.h (enum gtc_mode): New.
19400         (gimple_types_compatible_p): Adjust prototype.
19401
19402 2010-07-23  Daniel Jacobowitz  <dan@codesourcery.com>
19403
19404         * dwarf2out.c (dwarf2out_frame_debug): Check for queued saves
19405         again after processing insn.
19406
19407 2010-07-23  Jie Zhang  <jie@codesourcery.com>
19408
19409         * tree-sra.c (ipa_sra_preliminary_function_checks): Dump
19410         proper words when !tree_versionable_function_p.
19411
19412 2010-07-23  Richard Guenther  <rguenther@suse.de>
19413
19414         PR tree-optimization/45037
19415         * tree-ssa-loop-ivopts.c (copy_ref_info): Handle NULL base.
19416
19417 2010-07-23  Jie Zhang  <jie@codesourcery.com>
19418
19419         * doc/extend.texi: Remove IP2K from the description of naked attribute.
19420         Add MCORE instead.
19421
19422 2010-07-10  Andi Kleen  <ak@linux.intel.com>
19423
19424         PR lto/44992
19425         * lto-opts.c (lto_write_options): Add NULL file_data argument to
19426         lto_get_section_name.
19427         * lto-section-out.c (lto_destroy_simple_output_block): Likewise.
19428         * lto-streamer-out.c (produce_asm): Likewise.
19429         (copy_function): Likewise.
19430         (produce_symtab): Likewise.
19431         (produce_asm_for_decls): Likewise.
19432         * lto-streamer.c (lto_get_section_name): Add file_data argument.
19433         Rewrite to add random postfix to LTO sections.
19434         * lto-streamer.h (lto_file_decl_data): Add next, id, resolutions.
19435         (lto_get_section_name): Add file_data argument to prototype.
19436
19437 2010-07-10  Andi Kleen  <ak@linux.intel.com>
19438
19439         * lto-section-in.c (lto_section_name): Synchronize names
19440         with lto_get_section_name.
19441
19442 2010-07-10  Andi Kleen  <ak@linux.intel.com>
19443
19444         * lto-opts.c (lto_read_file_options): Check for missing section.
19445
19446 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
19447
19448         * ira.c (check_allocation): Correctly handle the case where an allocno
19449         with two objects was allocated to a single reg.
19450
19451 2010-07-22  Richard Sandiford  <rdsandiford@googlemail.com>
19452
19453         * tree-ssa-math-opts.c (is_widening_mult_rhs_p): New function.
19454         (is_widening_mult_p): Likewise.
19455         (convert_to_widen): Use them.
19456         (convert_plusminus_to_widen): Likewise.  Handle fixed-point types as
19457         well as integer ones.
19458
19459 2010-07-22  Steven Bosscher  <steven@gcc.gnu.org>
19460
19461         * alias.c (true_dependence_1): New function, merged version of
19462         true_dependence and canon_true_dependence.
19463         (true_dependence): Simplify.
19464         (canon_true_dependence): Simplify.
19465
19466 2010-07-22  Richard Henderson  <rth@redhat.com>
19467
19468         PR target/45027
19469         * config/i386/i386.c (setup_incoming_varargs_64): Force the use
19470         of V4SFmode for the SSE saves; increase stack alignment if needed.
19471         (ix86_gimplify_va_arg): Don't increase stack alignment here.
19472
19473 2010-07-22  Jakub Jelinek  <jakub@redhat.com>
19474
19475         PR bootstrap/45028
19476         * recgprop.c (copyprop_hardreg_forward_1): If changed is true,
19477         call cprop_find_used_regs again via note_uses.
19478
19479 2010-07-22  Eric Botcazou  <ebotcazou@adacore.com>
19480
19481         * alias.c (get_alias_set): Fix formatting issues.
19482
19483 2010-07-22  Steve Ellcey  <sje@cup.hp.com>
19484
19485         PR middle-end/44878
19486         * stmt.c (expand_value_return):  Call promote_function_mode with
19487         a for_return argument of 2 when returning by reference.
19488
19489 2010-07-22  Dodji Seketeli  <dodji@redhat.com>
19490
19491         PR debug/45024
19492         * dwarf2out.c (scope_die_for): Don't fall back to the compilation
19493         unit DIE if we can find the scope DIE.
19494
19495 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
19496
19497         * ira-build.c (ira_create_object): New arg SUBWORD; all callers
19498         changed.  Initialize OBJECT_SUBWORD.
19499         (ira_create_allocno): Clear ALLOCNO_NUM_OBJECTS.
19500         (ira_create_allocno_objects): Renamed from ira_create_allocno_object;
19501         all callers changed.
19502         (merge_hard_reg_conflicts): Iterate over allocno subobjects.
19503         (finish_allocno): Likewise.
19504         (move_allocno_live_ranges, copy_allocno_live_ranges): Likewise.
19505         (remove_low_level_allocnos): Likewise.
19506         (update_bad_spill_attribute): Likewise.
19507         (setup_min_max_allocno_live_range_point): Likewise.
19508         (sort_conflict_id_map): Likewise.
19509         (ira_flattening): Likewise.  Use ior_hard_reg_conflicts.
19510         (ior_hard_reg_conflicts): New function.
19511         (ior_allocate_object_conflicts): Renamed first argument to OBJ.
19512         (compress_conflict_vecs): Iterate over objects, not allocnos.
19513         (ira_add_live_range_to_object): New function.
19514         (object_range_compare_func): Renamed from allocno_range_compare_func.
19515         All callers changed.
19516         (setup_min_max_conflict_allocno_ids): For allocnos with multiple
19517         subobjects, widen the min/max range of the lowest-order object to
19518         potentially include all other such low-order objects.
19519         * ira.c (ira_bad_reload_regno_1): Iterate over allocno subobjects.
19520         (check_allocation): Likewise.  Use more fine-grained tests for register
19521         conflicts.
19522         * ira-color.c (allocnos_have_intersected_live_ranges_p): Iterate over
19523         allocno subobjects.
19524         (assign_hard_reg): Keep multiple sets of conflicts.  Make finer-grained
19525         choices about which bits to set in each set.  Don't use
19526         ira_hard_reg_not_in_set_p, perform a more elaborate test for conflicts
19527         using the multiple sets we computed.
19528         (push_allocno_to_stack): Iterate over allocno subobjects.
19529         (all_conflicting_hard_regs_coalesced): New static function.
19530         (setup_allocno_available_regs_num): Use it.
19531         (setup_allocno_left_conflicts_size): Likewise.  Iterate over allocno
19532         subobjects.
19533         (coalesced_allocno_conflict): Test subobject 0 in each allocno.
19534         (setup_allocno_priorities): Divide ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
19535         by ALLOCNO_NUM_OBJECTS.
19536         (calculate_spill_cost): Likewise.
19537         (color_pass): Express if statement in a more normal way.
19538         (ira_reassign_conflict_allocnos): Iterate over allocno subobjects.
19539         (slot_coalesced_allocno_live_ranges_intersect_p): Likewise.
19540         (setup_slot_coalesced_allocno_live_ranges): Likewise.
19541         (allocno_reload_assign): Likewise.
19542         (ira_reassign_pseudos): Likewise.
19543         (fast_allocation): Likewise.
19544         * ira-conflicts.c (build_conflict_bit_table): Likewise.
19545         (print_allocno_conflicts): Likewise.
19546         (ira_build_conflicts): Likewise.
19547         (allocnos_conflict_for_copy_p): Renamed from allocnos_conflict_p.  All
19548         callers changed.  Test subword 0 of each allocno for conflicts.
19549         (build_object_conflicts): Renamed from build_allocno_conflicts.  All
19550         callers changed.  Iterate over allocno subobjects.
19551         * ira-emit.c (modify_move_list): Iterate over allocno subobjects.
19552         * ira-int.h (struct ira_allocno): New member: num_objects.
19553         Rename object to objects and change it into an array.
19554         (ALLOCNO_OBJECT): Add new argument N.
19555         (ALLOCNO_NUM_OBJECTS, OBJECT_SUBWORD): New macros.
19556         (ira_create_allocno_objects): Renamed from ira_create_allocno_object.
19557         (ior_hard_reg_conflicts): Declare.
19558         (ira_add_live_range_to_object): Declare.
19559         (ira_allocno_object_iterator): New.
19560         (ira_allocno_object_iter_init, ira_allocno_object_iter_cond): New.
19561         (FOR_EACH_ALLOCNO_OBJECT): New macro.
19562         * ira-lives.c (objects_live): Renamed from allocnos_live; all
19563         uses changed.
19564         (allocnos_processed): New sparseset.
19565         (make_object_born): Renamed from make_allocno_born; take an
19566         ira_object_t argument.  All callers changed.
19567         (make_object_dead): Renamed from make_allocno_dead; take an
19568         ira_object_t argument.  All callers changed.
19569         (update_allocno_pressure_excess_length): Take an ira_obejct_t argument.
19570         All callers changed.
19571         (mark_pseudo_regno_live): Iterate over allocno subobjects.
19572         (mark_pseudo_regno_dead): Likewise.
19573         (mark_pseudo_regno_subword_live, mark_pseudo_regno_subword_dead): New
19574         functions.
19575         (mark_ref_live): Detect subword accesses and call
19576         mark_pseudo_regno_subword_live as appropriate.
19577         (mark_ref_dead): Likewise for mark_pseudo_regno_subword_dead.
19578         (process_bb_nodes_live): Deal with object-related updates first; set
19579         and test bits in allocnos_processed to avoid computing allocno
19580         statistics more than once.
19581         (create_start_finish_chains): Iterate over objects, not allocnos.
19582         (print_object_live_ranges): New function.
19583         (print_allocno_live_ranges): Use it.
19584         (ira_create_allocno_live_ranges): Allocate and free allocnos_processed
19585         and objects_live.
19586
19587 2010-07-22  Richard Guenther  <rguenther@suse.de>
19588
19589         PR lto/42451
19590         * gimple.c (gtc_next_dfs_num): New global.
19591         (struct sccs): Make value a union, add integer same_p member.
19592         (gtc_visit): New function.
19593         (gimple_types_compatible_p_1): New function, split out from ...
19594         (gimple_types_compatible_p): ... here.  Start a DFS walk here.
19595         (iterative_hash_gimple_type): Adjust for sccs change.
19596
19597 2010-07-22  Martin Jambor  <mjambor@suse.cz>
19598
19599         PR tree-optimization/44891
19600         * tree-sra.c: Include gimple-pretty-print.h.
19601         (replace_uses_with_default_def_ssa_name): Renamed to
19602         get_repl_default_def_ssa_name, return the new SSA name instead of
19603         replacing the old one.
19604         (sra_modify_assign): Dump a message when removing a load, if the LHS
19605         is an SSA_NAME, do not do any propagation, just set the RHS to a
19606         default definition SSA NAME, type convert if necessary.
19607         * Makefile.in (tree-sra.o): Add gimple-pretty-print.h to dependencies.
19608
19609 2010-07-22  Richard Guenther  <rguenther@suse.de>
19610
19611         PR tree-optimization/45017
19612         * tree-ssa-sccvn.c (vn_reference_eq): Make sure we honor
19613         TYPE_PRECISION of integral types in addition to size.
19614
19615 2010-07-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
19616
19617         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Default to GLIBC
19618         when no C library is specified.
19619
19620 2010-07-22  Martin Jambor  <mjambor@suse.cz>
19621
19622         * ipa-prop.h (struct ipa_node_params): Updated comment.
19623         (struct ipa_edge_args): Likewise.
19624         * Makefile.in (ipa-prop.o): Remove bogus $(GIMPLE_FOLD_H) dependency.
19625
19626 2010-07-22  Martin Jambor  <mjambor@suse.cz>
19627
19628         * cgraphunit.c (verify_edge_count_and_frequency): New function.
19629         (verify_cgraph_node): Verify frequencies of indirect edges.
19630         * tree-inline.c (tree_function_versioning): Update frequencies of
19631         indirect edges.
19632
19633 2010-07-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
19634
19635         PR target/43698
19636         * config/arm/arm.md: Split arm_rev into *arm_rev and *thumb1_rev.
19637         Set *arm_rev to be predicable.
19638
19639 2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>
19640
19641         * config/darwin.h (LINK_COMMAND_SPEC): Split into...
19642         (LINK_COMMAND_SPEC_A): New.
19643         (DSYMUTIL): New.
19644         (DSYMUTIL_SPEC): New.
19645         * config/darwin9.h (LINK_COMMAND_SPEC): Remove.
19646         (DSYMUTIL_SPEC): Update for darwin >= 9 requirements.
19647
19648 2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>
19649
19650         * calls.c (load_register_parameters): Move check for zero
19651         sized items so that only the call to
19652         mem_overlaps_already_clobbered_arg_p () is protected.
19653
19654 2010-07-22  Jan Hubicka  <jh@suse.cz>
19655
19656         * ipa-pure-const.c (varying_state): Break out from ...
19657         (get_function_state): ... here; always return varying_state
19658         when state would be NULL otherwise.
19659         (remove_node_data): Do not free varying state.
19660
19661 2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>
19662
19663         PR bootstrap/44970
19664         PR middle-end/45009
19665         * postreload.c: Include "target.h".
19666         (reload_combine_closest_single_use): Don't take DEBUG_INSNs
19667         into account.
19668         (fixup_debug_insns): Don't copy the rtx.
19669         (reload_combine_recognize_const_pattern): DEBUG_INSNs can't have uses.
19670         Don't copy when replacing.  Call fixup_debug_insns in the case where
19671         we merged one add with another.
19672         (reload_combine_recognize_pattern): Fail if there aren't any uses.
19673         Try harder to determine whether we're picking a valid index register.
19674         Don't set store_ruid for an insn we're going to scan in the
19675         next iteration.
19676         (reload_combine): Remove unused code.
19677         (reload_combine_note_use): When updating use information for
19678         an old insn, ignore a use that occurs after store_ruid.
19679         * Makefile.in (postreload.o): Update dependencies.
19680
19681         * function.c (record_hard_reg_sets): Restrict the previous change
19682         to cases where the incoming nominal mode is the same as the
19683         incoming promoted mode and everything happens in MODE_INT.
19684
19685 2010-07-21  Jakub Jelinek  <jakub@redhat.com>
19686
19687         PR debug/45015
19688         * var-tracking.c (adjust_mems): Ignore ASM_OPERANDS with non-zero
19689         ASM_OPERANDS_OUTPUT_IDX.
19690         (adjust_insn): For inline asm with multiple sets ensure first
19691         ASM_OPERANDS vectors are used by all following ASM_OPERANDS in
19692         the insn.
19693
19694 2010-07-21  Richard Henderson  <rth@redhat.com>
19695
19696         * config/i386/i386.c (setup_incoming_varargs_64): Emit a simple
19697         comparison for avoiding xmm register saves.  Emit the xmm register
19698         saves explicitly.
19699         * config/i386/i386.md (UNSPEC_SSE_PROLOGUE_SAVE): Remove.
19700         (UNSPEC_SSE_PROLOGUE_SAVE_LOW): Remove.
19701         (sse_prologue_save, sse_prologue_save_insn1, sse_prologue_save_insn):
19702         Remove patterns and the associated splitters.
19703
19704 2010-07-21  Changpeng Fang  <changpeng.fang@amd.com>
19705
19706         * tree-ssa-loop-prefetch.c (analyze_ref): Strip off the real
19707         and imagine parts of a complex, so that they can have the same
19708         base and fall into the same group.
19709
19710 2010-07-21  Richard Guenther  <rguenther@suse.de>
19711
19712         PR lto/45018
19713         * tree.c (find_decls_types_r): Do not follow TREE_CHAIN
19714         of TYPE_DECLs.  Do not follow TYPE_NEXT_VARIANT,
19715         TYPE_NEXT_PTR_TO, nor TYPE_NEXT_REF_TO or TYPE_CANONICAL.
19716
19717 2010-07-21  Martin Jambor  <mjambor@suse.cz>
19718
19719         PR tree-optimization/44900
19720         * tree-sra.c (load_assign_lhs_subreplacements): Updated comments.
19721         (sra_modify_assign): Move gsi to the next statmenent unconditionally.
19722
19723 2010-07-21  Bernd Schmidt  <bernds@codesourcery.com>
19724
19725         PR middle-end/44738
19726         * tree-ssa.c (warn_uninit): Avoid emitting an unnecessary message.
19727
19728 2010-07-21  Richard Guenther  <rguenther@suse.de>
19729
19730         PR middle-end/45013
19731         * tree-ssa.c (useless_type_conversion_p): Dispatch to
19732         gimple_types_compatible_p only when in lto.
19733         * gimple.c (gimple_types_compatible_p): Use canonical types
19734         to speed up comparison.
19735
19736 2010-07-21  Richard Guenther  <rguenther@suse.de>
19737
19738         * tree-flow.h (referenced_var): Move define ...
19739         * tree-flow-inline.h (referenced_var): ... here as an inline
19740         function.  Assert here ...
19741         * tree-dfa.c (referenced_var_lookup): ... instead of here.
19742         * tree-ssa.c (maybe_optimize_var): Check if the variable
19743         is in referenced vars.
19744         (execute_update_addresses_taken): Remove old broken check.
19745         * gimple-pretty-print.c (pp_points_to_solution): Use
19746         referenced_var_lookup.
19747         * tree-into-ssa.c (dump_decl_set): Likewise.
19748
19749 2010-07-21  Jakub Jelinek  <jakub@redhat.com>
19750
19751         PR debug/45003
19752         * var-tracking.c (reverse_op): Also handle {SIGN,ZERO}_EXTEND of a MEM.
19753         * dwarf2out.c (loc_descriptor): Don't handle SIGN_EXTEND nor
19754         ZERO_EXTEND here.
19755
19756 2010-07-20  Richard Henderson  <rth@redhat.com>
19757
19758         * vxworks.c (vxworks_emutls_var_fields): Pass locus to build_decls.
19759
19760 2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>
19761
19762         * config/arm/arm.md (thumb1_addsi3): Add alternative and split for
19763         computing the sum of the stack pointer and a large constant.
19764         * config/arm/constraints.md (M): Remove superfluous parentheses.
19765         (Pc): New constraint.
19766
19767 2010-07-20  Jakub Jelinek  <jakub@redhat.com>
19768
19769         PR debug/45006
19770         * cfgexpand.c (expand_debug_expr): Only look at TYPE_UNSIGNED of
19771         operand's type if exp is tcc_unary class tree.
19772
19773 2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>
19774
19775         * config/rs6000/rs6000.md (abs<mode>2_isel, nabs<mode>2_isel):
19776         Reverse sense of if_then_else condition.
19777
19778 2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>
19779
19780         * config/rs6000/rs6000.opt (mblock-move-inline-limit): New option.
19781         * config/rs6000/rs6000.c (rs6000_override_options): Set
19782         rs6000_block_move_inline_limit appropriately.
19783         (expand_block_move): Use rs6000_block_move_inline_limit.
19784         * doc/invoke.texi (mblock-move-inline-limit): Document.
19785
19786 2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>
19787
19788         * postreload.c (fixup_debug_insns): Remove arg REGNO.  New args
19789         FROM and TO.  All callers changed.  Don't look for tracked uses,
19790         just scan the RTL for DEBUG_INSNs and substitute.
19791         (reload_combine_recognize_pattern): Call fixup_debug_insns.
19792         (reload_combine): Ignore DEBUG_INSNs.
19793
19794 2010-07-20  Jakub Jelinek  <jakub@redhat.com>
19795
19796         * var-tracking.c (vt_expand_loc, vt_expand_loc_dummy): Bump maximum
19797         depth to 8 from 5.
19798
19799         PR debug/45003
19800         * cfgexpand.c (expand_debug_expr) <case NOP_EXPR>: Use ZERO_EXTEND
19801         or SIGN_EXTEND depending on TYPE_UNSIGNED of the operand's type
19802         instead of the result's type.
19803
19804 2010-07-20  Richard Guenther  <rguenther@suse.de>
19805
19806         PR tree-optimization/44977
19807         * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not create invalid
19808         SSA form.
19809
19810 2010-07-20  Richard Guenther  <rguenther@suse.de>
19811
19812         * lto-symtab.c (lto_symtab_merge): Use gimple_types_compatible_p.
19813         (lto_symtab_merge_decls_2): Likewise.
19814         * gimple.h (gimple_types_compatible_p): Declare.
19815         * gimple.c (gimple_queue_type_fixup): Remove.
19816         (gimple_fixup_complete_and_incomplete_subtype_p): Likewise.
19817         (gimple_compatible_complete_and_incomplete_type_p): New function.
19818         (gimple_types_compatible_p): Adjust.
19819         (gimple_register_type): Remove type fixup code.
19820         (print_gimple_types_stats): Adjust.
19821         (free_gimple_type_tables): Likewise.
19822         * lto-streamer-in.c (input_gimple_stmt): Use gimple_types_compatible_p.
19823         * tree-ssa.c (useless_type_conversion_p): Likewise.
19824
19825 2010-07-20  Richard Guenther  <rguenther@suse.de>
19826
19827         PR middle-end/44971
19828         PR middle-end/44988
19829         * tree-ssa.c (maybe_optimize_var): New function split out from ...
19830         (execute_update_addresses_taken): ... here.
19831         (non_rewritable_mem_ref_base): Likewise.
19832         (execute_update_addresses_taken): Do not iterate over all referenced
19833         vars but just all local decls and parms.
19834         Properly check call and asm arguments and rewrite call arguments.
19835
19836 2010-07-20  Maxim Kuvyrkov  <maxim@codesourcery.com>
19837
19838         * config.gcc (LIBC_GLIBC, LIBC_UCLIBC, LIBC_BIONIC): Move constants
19839         to top level.
19840         * config/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Move Android-specific
19841         definitions ...
19842         * config/linux-android.h (ANDROID_TARGET_OS_CPP_BUILTINS): ... here.
19843         New macro.
19844         * config/arm/linux-eabi.h (TARGET_OS_CPP_BUILTINS): Use it.
19845
19846 2010-07-19  Richard Sandiford  <rdsandiford@googlemail.com>
19847
19848         * gengtype.c (start_root_entry): New function, split out from
19849         write_root.  Check whether V is null and raise an error if so.
19850         (write_field_root): Check for V being null.  Don't raise an error here;
19851         set V to null instead.
19852         (write_root): Update comment above function.  Use start_root_entry.
19853
19854 2010-07-19  Xinliang David Li  <davidxl@google.com>
19855
19856         PR testsuite/44932
19857         * tree-ssa-uninit.c (collect_phi_def_edges): Fix bug collecting
19858         def edges.
19859         (find_uninit_use): Add dump.
19860         (is_use_properly_guarded): Ditto.
19861         (warn_uninitialized_phi): Ditto.
19862         (execute_late_warn_uninitialized): Ditto.
19863
19864 2010-07-19  Richard Guenther  <rguenther@suse.de>
19865
19866         PR middle-end/44941
19867         * expr.c (emit_block_move_hints): Move zero size check first.
19868         Move asserts to more useful places.
19869         * calls.c (load_register_parameters): Check for zero size.
19870
19871 2010-07-19  Richard Henderson  <rth@redhat.com>
19872
19873         * tree-optimize.c (execute_all_early_local_passes): New.  Change
19874         cgraph_state here ...
19875         (execute_early_local_optimizations): ... not here.  Remove.
19876         (pass_early_local_passes, pass_all_early_optimizations): Update.
19877
19878 2010-07-19  Bernd Schmidt  <bernds@codesourcery.com>
19879
19880         * postreload.c (reload_combine_closest_single_use): Ignore the
19881         number of uses for DEBUG_INSNs.
19882         (fixup_debug_insns): New static function.
19883         (reload_combine_recognize_const_pattern): Use it.  Don't let the
19884         main loop be affected by DEBUG_INSNs.
19885         Really disallow moving adds past a jump insn.
19886         (reload_combine_recognize_pattern): Don't update use_ruid here.
19887         (reload_combine_note_use): Do it here.
19888         (reload_combine): Use control_flow_insn_p rather than JUMP_P.
19889
19890 2010-07-19  Bingfeng Mei  <bmei@broadcom.com>
19891
19892         * ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes
19893         of a loop.
19894         * loop-doloop.c (doloop_condition_get): Skip possible debug_insn.
19895
19896 2010-07-19  Iain Sandoe  <iains@gcc.gnu.org>
19897
19898         * config/i386/darwin.h: Define darwin_emit_branch_islands.
19899         (TARGET_MACHO_BRANCH_ISLANDS): New.
19900         (FUNCTION_PROFILER): Use TARGET_MACHO_BRANCH_ISLANDS.
19901         * config/i386/i386.h (TARGET_MACHO_BRANCH_ISLANDS): Define a
19902         default value.
19903         * config/i386/i386.c (output_pic_addr_const): Do not emit
19904         branch islands unless TARGET_MACHO_BRANCH_ISLANDS is set.
19905         (x86_output_mi_thunk): Adjust symbol creation.
19906         * config/rs6000/darwin.h: Define darwin_emit_branch_islands.
19907         Remove out of date comment.
19908         * config/rs6000/rs6000.c (print_operand): Adjust symbol.
19909         (DARWIN_LINKER_GENERATES_ISLANDS): Remove.
19910         (DARWIN_GENERATE_ISLANDS): Ditto.
19911         (output_call):  Do not emit branch islands unless
19912         darwin_emit_branch_islands is set.
19913         * config/darwin.c: Declare darwin_emit_branch_islands.
19914         (machopic_indirect_data_reference): Do not emit unless
19915         darwin_emit_branch_islands is set.
19916         (darwin_override_options): Set darwin_emit_branch_islands
19917         where it is needed.
19918         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Remove.
19919
19920 2010-07-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
19921
19922         * doc/sourcebuild.texi (Effective-Target Keywords): Document
19923         sse_runtime, sse2_runtime.
19924
19925 2010-07-18  Richard Sandiford  <rdsandiford@googlemail.com>
19926
19927         * config/mips/mips.c (mips16_build_call_stub): Zero-extend the
19928         low half of a single-register SCmode return value before ORing
19929         it with the high half.
19930         * config/mips/mips16.S (MERGE_GPRf): Likewise.
19931
19932 2010-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19933
19934         PR target/44805
19935         * config/pa/pa.h (CONSTANT_ALIGNMENT): Align strings to BITS_PER_WORD
19936         on all targets.
19937
19938 2010-07-17  Bernd Schmidt  <bernds@codesourcery.com>
19939
19940         PR target/42235
19941         * postreload.c (reload_cse_move2add): Return bool, true if anything.
19942         changed.  All callers changed.
19943         (move2add_use_add2_insn): Likewise.
19944         (move2add_use_add3_insn): Likewise.
19945         (reload_cse_regs): If reload_cse_move2add changed anything, rerun
19946         reload_combine.
19947         (RELOAD_COMBINE_MAX_USES): Bump to 16.
19948         (last_jump_ruid): New static variable.
19949         (struct reg_use): New members CONTAINING_MEM and RUID.
19950         (reg_state): New members ALL_OFFSETS_MATCH and REAL_STORE_RUID.
19951         (reload_combine_split_one_ruid, reload_combine_split_ruids,
19952         reload_combine_purge_insn_uses, reload_combine_closest_single_use
19953         reload_combine_purge_reg_uses_after_ruid,
19954         reload_combine_recognize_const_pattern): New static functions.
19955         (reload_combine_recognize_pattern): Verify that ALL_OFFSETS_MATCH
19956         is true for our reg and that we have available index regs.
19957         (reload_combine_note_use): New args RUID and CONTAINING_MEM.  All
19958         callers changed.  Use them to initialize fields in struct reg_use.
19959         (reload_combine): Initialize last_jump_ruid.  Be careful when to
19960         take PREV_INSN of the scanned insn.  Update REAL_STORE_RUID fields.
19961         Call reload_combine_recognize_const_pattern.
19962         (reload_combine_note_store): Update REAL_STORE_RUID field.
19963
19964 2010-07-16  Jason Merrill  <jason@redhat.com>
19965
19966         * Makefile.in (opts-common.o): Depend on options.h.
19967
19968 2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>
19969
19970         * tree.c (build_common_builtin_nodes): Use build_function_type_list
19971         instead of build_function_type.
19972         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
19973         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
19974
19975 2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>
19976
19977         * config/rs6000/rs6000.c (rs6000_emit_sISEL): Let rs6000_emit_int_cmove
19978         do all the work.
19979         (rs6000_emit_int_cmove): Use function pointers for insn generation.
19980         Don't force values into registers unnecessarily.
19981         (output_isel): Assert that we're not given conditions we can't handle.
19982         Delete corresponding code.
19983         * config/rs6000/rs6000.md (isel_signed_<mode>): Use
19984         scc_comparison_operator constraint.  Permit 0 for the consequent
19985         operand.  Permit any GPR for the alternative operand.
19986         (isel_unsigned_<mode>): Likewise.
19987
19988 2010-07-16  Jakub Jelinek  <jakub@redhat.com>
19989
19990         PR target/44942
19991         * config/i386/i386-protos.h (ix86_function_arg_boundary): Change second
19992         argument to const_tree.
19993         * config/i386/i386.c (function_arg_advance): If padding needs to be
19994         inserted before argument, increment cum->words by number of padding
19995         words as well.
19996         (contains_aligned_value_p): Change argument to const_tree.
19997         (ix86_function_arg_boundary): Change second argument to const_tree.
19998
19999 2010-07-16  Bernd Schmidt  <bernds@codesourcery.com>
20000
20001         PR target/42235
20002         * function.c (record_hard_reg_sets): New static function.
20003         (assign_parm_setup_reg): If an optab for extending exists and the
20004         generated code clobbbers no hard regs, emit the insn directly and
20005         create a REG_EQUIV note.
20006
20007 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
20008
20009         * c-decl.c (detect_field_duplicates): Use DECL_CHAIN insted of
20010         TREE_CHAIN.
20011         * c-typeck.c (push_init_level): Likewise.
20012         (process_init_element): Likewise.
20013
20014 2010-07-15  Anatoly Sokolov  <aesok@post.ru>
20015
20016         * tree.h (enum tree_index): Add TI_INTEGER_THREE.
20017         (integer_three_node): Add.
20018         * tree.c (build_common_tree_nodes_2): Use integer_type_node insead of
20019         NULL_TREE in build_int_cst calls. Initialize the integer_three_node.
20020         * builtins.c (expand_builtin_prefetch): Use common tree nodes instead
20021         of call build_int_cst.
20022         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ditto.
20023         * tree-ssa-loop-ivopts.c (idx_find_step): Ditto.
20024         (find_interesting_uses_address): Ditto.
20025         * tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Ditto.
20026         * tree-eh.c (lower_eh_constructs_2): Ditto.
20027         * tree-vect-loop.c (get_initial_def_for_induction): Ditto.
20028         * c-typeck.c (really_start_incremental_init, push_init_level): Ditto.
20029         * expmed.c (expand_divmod): Ditto.
20030         * tree-mudflap.c (mx_register_decls): Ditto.
20031         * varasm.c (array_size_for_constructor): Ditto.
20032         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
20033         * c-parser.c (c_parser_postfix_expression): Ditto.
20034
20035 2010-07-15  Bernd Schmidt  <bernds@codesourcery.com>
20036
20037         * postreload.c (last_label_ruid, first_index_reg, last_index_reg):
20038         New static variables.
20039         (reload_combine_recognize_pattern): New static function, broken out
20040         of reload_combine.
20041         (reload_combine): Use it.  Only initialize first_index_reg and
20042         last_index_reg once.
20043
20044 2010-07-15  Richard Henderson  <rth@redhat.com>
20045
20046         * cgraphunit.c (cgraph_build_static_cdtor): Clear current_function_decl
20047         when done.
20048
20049 2010-07-15  Jan Hubicka  <jh@suse.cz>
20050
20051         * lto-symtab.c (lto_symtab_resolve_symbols): Remove hack handling
20052         comdats for broken gold.
20053         (lto_sy mtab_merge_decls_1): Set used_from_object_file correctly.
20054
20055 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
20056
20057         * tree.h (TREE_RTL_OPERAND_CHECK): Delete.
20058
20059 2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>
20060
20061         * tree.h (DECL_CHAIN): Define.
20062         * alias.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
20063         * c-decl.c: Likewise.
20064         * c-parser.c: Likewise.
20065         * c-typeck.c: Likewise.
20066         * cfgexpand.c: Likewise.
20067         * cgraph.c: Likewise.
20068         * cgraphunit.c: Likewise.
20069         * combine.c: Likewise.
20070         * config/alpha/alpha.c: Likewise.
20071         * config/arm/arm.c: Likewise.
20072         * config/frv/frv.c: Likewise.
20073         * config/i386/i386.c: Likewise.
20074         * config/i386/winnt-cxx.c: Likewise.
20075         * config/ia64/ia64.c: Likewise.
20076         * config/iq2000/iq2000.c: Likewise.
20077         * config/mep/mep.c: Likewise.
20078         * config/mips/mips.c: Likewise.
20079         * config/pa/som.h: Likewise.
20080         * config/rs6000/rs6000.c: Likewise.
20081         * config/s390/s390.c: Likewise.
20082         * config/sh/sh.c: Likewise.
20083         * config/sh/symbian-cxx.c: Likewise.
20084         * config/sparc/sparc.c: Likewise.
20085         * config/spu/spu.c: Likewise.
20086         * config/stormy16/stormy16.c: Likewise.
20087         * config/vxworks.c: Likewise.
20088         * config/xtensa/xtensa.c: Likewise.
20089         * coverage.c: Likewise.
20090         * dbxout.c: Likewise.
20091         * dwarf2out.c: Likewise.
20092         * emit-rtl.c: Likewise.
20093         * expr.c: Likewise.
20094         * function.c: Likewise.
20095         * gimple-low.c: Likewise.
20096         * gimple-pretty-print.c: Likewise.
20097         * gimplify.c: Likewise.
20098         * integrate.c: Likewise.
20099         * ipa-inline.c: Likewise.
20100         * ipa-prop.c: Likewise.
20101         * ipa-split.c: Likewise.
20102         * ipa-struct-reorg.c: Likewise.
20103         * ipa-type-escape.c: Likewise.
20104         * langhooks.c: Likewise.
20105         * lto-cgraph.c: Likewise.
20106         * omp-low.c: Likewise.
20107         * stor-layout.c: Likewise.
20108         * tree-cfg.c: Likewise.
20109         * tree-complex.c: Likewise.
20110         * tree-dfa.c: Likewise.
20111         * tree-dump.c: Likewise.
20112         * tree-inline.c: Likewise.
20113         * tree-mudflap.c: Likewise.
20114         * tree-nested.c: Likewise.
20115         * tree-object-size.c: Likewise.
20116         * tree-pretty-print.c: Likewise.
20117         * tree-sra.c: Likewise.
20118         * tree-ssa-live.c: Likewise.
20119         * tree-ssa-loop-niter.c: Likewise.
20120         * tree-ssa-math-opts.c: Likewise.
20121         * tree-ssa-reassoc.c: Likewise.
20122         * tree-ssa-sccvn.c: Likewise.
20123         * tree-ssa-structalias.c: Likewise.
20124         * tree-tailcall.c: Likewise.
20125         * tree-vrp.c: Likewise.
20126         * tree.c: Likewise.
20127         * var-tracking.c: Likewise.
20128         * varasm.c: Likewise.
20129
20130 2010-07-15  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20131
20132         PR target/44877
20133         * config/spu/spu.c (spu_expand_builtin_1): Allow references
20134         (as well as pointers) as argument to mask_for_load builtins.
20135
20136 2010-07-15  Richard Guenther  <rguenther@suse.de>
20137
20138         PR tree-optimization/44946
20139         * tree-ssa-structalias.c (get_constraint_for_component_ref): Deal
20140         with accessing only padding properly.
20141
20142 2010-07-15  Jan Hubicka  <jh@suse.cz>
20143
20144         * ipa.c (function_and_variable_visibility): Variables marked as used
20145         should not be localized.
20146
20147 2010-07-15  Jan Hubicka  <jh@suse.cz>
20148
20149         * cgraph.c: Include lto-streamer.h
20150         (change_decl_assembler_name): Work when assembler name hash is at place.
20151         (cgraph_make_decl_local): When localizing COMDAT symbol at WPA stage,
20152         be sure to rename it to avoid name clash.
20153         * ipa.c (cgraph_externally_visible_p, function_and_variable_visibility):
20154         Localize hidden symbols only when locally defined.
20155
20156 2010-07-15  Uros Bizjak  <ubizjak@gmail.com>
20157
20158         * config/i386/i386.h (SHIFT_COUNT_TRUNCATED): Expand comment.
20159
20160 2010-07-15  Magnus Granberg  <zorry@gentoo.org>
20161             Kevin F. Quinn  <kevquinn@gentoo.org>
20162
20163         * builtins.c (expand_builtin_init_trampoline): Warn for -Wtrampolines.
20164         * common.opt: Add -Wtrampolines.
20165         * doc/invoke.texi: Add -Wtrampolines.
20166
20167 2010-07-15  Jie Zhang  <jie@codesourcery.com>
20168
20169         * config/arm/cortex-a8.md (cortex_a8_load_store_2): Reserve
20170         cortex_a8_issue_ls.
20171
20172 2010-07-15  Dave Korn  <dave.korn.cygwin@gmail.com>
20173
20174         * config/i386/cygwin.h (LIBGCJ_SONAME): Update.
20175         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
20176
20177 2010-07-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20178
20179         * config/spu/spu.c (reg_names): Remove prototype.
20180         (call_used_regs): Likewise.
20181
20182 2010-07-14  Dave Korn  <dave.korn.cygwin@gmail.com>
20183
20184         * config/i386/cygming-crtend.c (__FRAME_END__): Replace attribute
20185         "unused" with attribute "used".
20186         (__JCR_END__): Likewise.
20187         * config/i386/cygming-crtbegin.c (__EH_FRAME_BEGIN__): Add missing
20188         "used" attribute.
20189         (__JCR_LIST__): Replace attribute "unused" with attribute "used".
20190
20191 2010-07-14  Richard Guenther  <rguenther@suse.de>
20192
20193         * lto-streamer-in.c (maybe_fixup_handled_component): Remove.
20194         (maybe_fixup_decls): Likewise.
20195         (input_gimple_stmt): Do not fixup anything.
20196         * lto-streamer-out.c (output_gimple_stmt): Make sure all
20197         non-automatic variable uses are wrapped inside a MEM_REF.
20198
20199 2010-07-14  Richard Henderson  <rth@redhat.com>
20200
20201         * passes.c (rest_of_decl_compilation): Do not call assemble_variable
20202         for functions.
20203         * varasm.c (assemble_variable): Remove early exit for functions;
20204         assert that we're given a variable.
20205
20206 2010-07-14  Jie Zhang  <jie@codesourcery.com>
20207
20208         * config/arm/cortex-a8.md (cortex_a8_alu): Don't use
20209         cortex_a8_default when neon_type is not none.
20210
20211 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
20212
20213         * lower-subreg.c (subreg_context): New static bitmap.
20214         (decompose_multiword_subregs): Allocate and free it.
20215         (find_decomposable_subregs): Set a bit in it for a register that
20216         occurs in a subreg that changes mode but not size.
20217         (can_decompose_p): Test it instead of non_decomposable_context.
20218
20219 2010-07-14  Richard Guenther  <rguenther@suse.de>
20220
20221         PR tree-optimization/44824
20222         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Use
20223         is_gimple_mem_ref_addr.
20224         (tree_ssa_forward_propagate_single_use_vars): Do not propagate
20225         non-decl_address_invariant_p addresses.
20226
20227 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
20228
20229         * reload.c (find_reloads): Revert code to penalize small register
20230         classes that was brought in with the IRA merge.
20231
20232 2010-07-14  Richard Guenther  <rguenther@suse.de>
20233
20234         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle MEM_REF
20235         as base of ARRAY_REFs.
20236
20237 2010-07-14  Richard Guenther  <rguenther@suse.de>
20238
20239         PR middle-end/44930
20240         * tree-pretty-print.c (do_niy): Do not print a newline.
20241
20242 2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>
20243
20244         * ira-int.h (struct ira_object): New.
20245         (ira_object_t): New typedef.  Add DEF_VEC_P and DEF_VEC_ALLOC_P for it.
20246         (struct ira_allocno): Remove members min, max,
20247         conflict_allocno_array, conflict_id, conflict_allocno_array_size,
20248         conflict_allocnos_num and conflict_vec_p.  Add new member object.
20249         (OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
20250         OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
20251         OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
20252         OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
20253         ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
20254         ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
20255         ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
20256         ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
20257         an ira_object_t rather than ira_allocno_t.  All uses changed.
20258         (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
20259         contains a vector of ira_object_t; all uses changed.
20260         (ira_objects_num): Declare variable.
20261         (ira_create_allocno_object): Declare function.
20262         (ira_conflict_vector_profitable_p): Adjust prototype.
20263         (ira_allocate_conflict_vec): Renamed from
20264         ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
20265         (ira_allocate_object_conflicts): Renamed from
20266         ira_allocate_allocno_conflicts; first arg now ira_object_t.
20267         (struct ira_object_iterator): New.
20268         (ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
20269         (ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
20270         to conflict_vec_p.  All uses changed.
20271         (ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
20272         Changed to take into account that conflicts are now tracked for
20273         objects.
20274         * ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from CONFLICT_ALLOCNO_P.
20275         Args changed to accept ira_object_t.  All uses changed.
20276         (allocnos_conflict_p): New static function.
20277         (collected_conflict_objects): Renamed from collected_allocno_objects;
20278         now a vector of ira_object_t.  All uses changed.
20279         (build_conflict_bit_table): Changed to take into account that
20280         conflicts are now tracked for objects.
20281         (process_regs_for_copy, propagate_copies, build_allocno_conflicts)
20282         (print_allocno_conflicts, ira_build_conflicts): Likewise.
20283         * ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
20284         setup_allocno_left_conflicts_size, allocno_reload_assign,
20285         fast_allocation): Likewise.
20286         * ira-lives.c (make_hard_regno_born, make_allocno_born)
20287         process_single_reg_class_operands, process_bb_node_lives): Likewise.
20288         * ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
20289         Likewise.
20290         * ira-build.c (ira_objects_num): New variable.
20291         (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
20292         contains a vector of ira_object_t; all uses changed.
20293         (ira_object_id_map_vec): Corresponding change.
20294         (object_pool): New static variable.
20295         (initiate_allocnos): Initialize it.
20296         (finish_allocnos): Free it.
20297         (ira_create_object, ira_create_allocno_object, create_allocno_objects):
20298         New functions.
20299         (ira_create_allocno): Don't set members that were removed.
20300         (ira_set_allocno_cover_class): Don't change conflict hard regs.
20301         (merge_hard_reg_conflicts): Changed to take into account that
20302         conflicts are now tracked for objects.
20303         (ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
20304         allocate_conflict_bit_vec, ira_allocate_object_conflicts,
20305         compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
20306         setup_min_max_allocno_live_range_point, allocno_range_compare_func,
20307         setup_min_max_conflict_allocno_ids, ):  Likewise.
20308         (add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
20309         to ira_object_t; all callers changed.
20310         (ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
20311         to ira_object_t, all callers changed.
20312         (clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
20313         to ira_object_t, all callers changed.
20314         (conflict_check, curr_conflict_check_tick): Renamed from
20315         allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
20316         changed.
20317         (compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
20318         arg changed to ira_object_t, all callers changed.
20319         (create_cap_allocno): Call ira_create_allocno_object.
20320         (finish_allocno): Free the corresponding object.
20321         (sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
20322         callers changed.  Adjusted for dealing with objects.
20323         (ira_build): Call create_allocno_objects after ira_costs.  Adjusted for
20324         dealing with objects.
20325         * ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.
20326
20327         * ira-int.h (struct live_range): Rename allocno member to object
20328         and change type to ira_object_t.
20329         (struct ira_object): New member live_ranges.
20330         (struct ira_allocno): Remove member live_ranges.
20331         (ALLOCNO_LIVE_RANGES): Remove.
20332         (OBJECT_LIVE_RANGES): New macro.
20333         (ira_create_live_range, ira_copy_live_range_list,
20334         ira_merge_live_range_list, ira_live_ranges_intersect_p,
20335         ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
20336         * ira-build.c (ira_create_object): Initialize live ranges here.
20337         (ira_create_allocno): Not here.
20338         (ira_create_live_range): Rename from ira_create_allocno_live_range, arg
20339         changed to ira_object_t, all callers changed.
20340         (copy_live_range): Rename from copy_allocno_live_range, all callers
20341         changed.
20342         (ira_copy_live_range_list): Rename from
20343         ira_copy_allocno_live_range_list, all callers changed.
20344         (ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
20345         all callers changed.
20346         (ira_live_ranges_intersect_p): Rename from
20347         ira_allocno_live_ranges_intersect_p, all callers changed.
20348         (ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
20349         callers changed.
20350         (ira_finish_live_range_list): Rename from
20351         ira_finish_allocno_live_range_list, all callers changed.
20352         (change_object_in_range_list): Rename from change_allocno_in_range_list,
20353         last arg changed to ira_object_t, all callers changed.
20354         (finish_allocno): Changed to expect live ranges in the allocno's object.
20355         (move_allocno_live_ranges, copy_allocno_live_ranges,
20356         update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
20357         ira_flattening, ira_build): Likewise.
20358         * ira-color.c (allocnos_have_intersected_live_ranges_p,
20359         slot_coalesced_allocno_live_ranges_intersect,
20360         setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
20361         * ira-conflicts.c (build_conflict_bit_table): Likewise.
20362         * ira-emit.c (add_range_and_copies_from_move_list): Likewise.
20363         * ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
20364         make_allocno_dead, create_start_finish_chains,
20365         remove_some_program_points_and_update_live_ranges,
20366         ira_debug_live_range_list): Likewise.
20367
20368         * ira-int.h (ira_object_conflict_iterator): Rename from
20369         ira_allocno_conflict_iterator.
20370         (ira_object_conflict_iter_init): Rename from
20371         ira_allocno_conflict_iter_init, second arg changed to
20372         * ira.c (check_allocation): Use FOR_EACH_OBJECT_CONFLICT rather than
20373         FOR_EACH_ALLOCNO_CONFLICT.
20374         * ira-color.c (assign_hard_reg, push_allocno_to_stack)
20375         setup_allocno_left_conflicts_size, coalesced_allocno_conflict_p,
20376         ira_reassign_conflict_allocnos, ira_reassign_pseudos): Likewise.
20377         * ira-conflicts.c (print_allocno_conflicts): Likewise.
20378
20379 2010-07-13  Joern Rennecke  <joern.rennecke@embecosm.com>
20380
20381         PR other/44874
20382         * tree-dump.c (dump_options): Add enumerate_locals entry.
20383         Add TDF_NOID exclusion to all entry.
20384         * tree-dump.h (dump_enumerated_decls): Declare.
20385         * tree-pretty-print.c (dump_generic_node): For TDF_NOID,
20386         Don't display type uid.
20387         (print_declaration): Don't crash on TREE_TYPE (t) == 0.
20388         * tree-pass.h (TDF_ENUMERATE_LOCALS): Define.
20389         * tree-ssa-live.c: Include gimple.h.
20390         (numbered_tree_d): New struct.
20391         (numbered_tree): New typedef.
20392         (DEF_VEC_O (numbered_tree): New.
20393         (DEF_VEC_ALLOC_O (numbered_tree, heap)): Likewise.
20394         (compare_decls_by_uid, dump_enumerated_decls_push): New functions.
20395         (dump_enumerated_decls): Likewise.
20396         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): If comparing
20397         debug info and flag_dump_final_insns, call dump_enumerated_decls.
20398         * tree-cfg.c (dump_function_to_file): Call dump_enumerated_decls.
20399         * Makefile.in (tree-ssa-live.o): Depend on $(GIMPLE_H).
20400
20401 2010-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
20402
20403         * expmed.h (MAX_BITS_PER_WORD): Move to...
20404         * defaults.h (MAX_BITS_PER_WORD): ...here.
20405
20406 2010-07-13  DJ Delorie  <dj@redhat.com>
20407
20408         * config/h8300/h8300.c (h8300_init_once): Default to
20409         -fstrict_volatile_bitfields.
20410
20411         * config/sh/sh.c (sh_override_options): Default to
20412         -fstrict_volatile_bitfields.
20413
20414         * config/rx/rx.c (rx_option_override): New.
20415
20416         * config/m32c/m32c.c (m32c_override_options): Default to
20417         -fstrict_volatile_bitfields.
20418
20419 2010-07-13  Nathan Froyd  <froydnj@codesourcery.com>
20420
20421         * tree.h (build_function_call_expr): Delete.
20422         (build_call_expr_loc_array): New function.
20423         (build_call_expr_loc_vec): New function.
20424         * tree-flow.h (struct omp_region): Change type of ws_args field
20425         to a VEC.
20426         * builtins.c (build_function_call_expr): Delete.
20427         (build_call_expr_loc_array): New function.
20428         (build_call_expr_loc): Call it.  Use XALLOCAVEC.
20429         (build_call_expr): Likewise.
20430         (build_call_expr_loc_vec): New function.
20431         * cgraphunit.c (build_cdtor): Call build_call_expr instead of
20432         build_function_call_expr.
20433         * expr.c (emutls_var_address): Likewise.
20434         * varasm.c (emutls_common_1): Likewise.
20435         * omp-low.c (expand_omp_atomic_mutex): Likewise.
20436         (expand_omp_taskreg): Adjust for new type of region->ws_args.
20437         (get_ws_args_for): Return a VEC instead of a tree.
20438         (expand_parallel_call): Call build_call_expr_loc_vec instead of
20439         build_function_call_expr.
20440         * stor-layout.c (self_referential_size): Likewise.
20441
20442 2010-07-13  Jakub Jelinek  <jakub@redhat.com>
20443
20444         PR testsuite/44701
20445         * recog.c (constrain_operands): Allow side-effects in memory
20446         operands if either < or > constraint is used, rather than if
20447         both < and > is used.
20448
20449 2010-07-13  Richard Guenther  <rguenther@suse.de>
20450
20451         PR middle-end/44911
20452         * tree-pretty-print.c (dump_generic_node): Use TDF_SLIM for
20453         MEM_REF pointer type dumping.  Avoid recursing for TYPE_DECLs
20454         without name.
20455
20456 2010-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
20457
20458         PR target/44761
20459         * mode-switching.c (optimize_mode_switching): Add ATTRIBUTE_UNUSED
20460         to variable emited.
20461         * config/sh/sh.c (sh_expand_epilogue): Remove unused variable.
20462         * config/sh/sh.md (symGOT_load): Likewise.
20463         (symDTPOFF2reg): Likewise.
20464         (symTPOFF2reg): Likewise.
20465
20466 2010-07-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20467
20468         * expmed.c (MAX_BITS_PER_WORD): Moved to expmed.h.
20469         * expmed.h (MAX_BITS_PER_WORD): Moved from expmed.c.
20470
20471 2010-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20472
20473         * config/i386/sol2-unwind.h (x86_64_fallback_frame_state): Correct
20474         explanation.
20475         Find ucontext_t * on Solaris 11.
20476         (x86_fallback_frame_state): Handle Solaris 9 multi-threaded pattern.
20477         Handle new Solaris 11 __sighndlr patterns.
20478
20479 2010-07-13  Jakub Jelinek  <jakub@redhat.com>
20480
20481         PR debug/44901
20482         * vec.h (VEC_block_remove): Fix comment.
20483         * tree-ssa-live.c (remove_unused_locals): Don't use
20484         VEC_unordered_remove on local_decls, instead replace a single
20485         vector element in each iteration if at least one element had
20486         to be removed and VEC_truncate at the end.
20487         * omp-low.c (expand_omp_taskreg): Likewise.
20488
20489 2010-07-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
20490
20491         * c-decl.c (finish_function): Fix typo in comment.
20492
20493 2010-07-12  H.J. Lu  <hongjiu.lu@intel.com>
20494
20495         PR bootstrap/44921
20496         * postreload.c (move2add_use_add3_insn): Silence gcc warning
20497         on min_regno.
20498
20499 2010-07-12  Jakub Jelinek  <jakub@redhat.com>
20500
20501         * tree-vrp.c (simplify_bit_ops_using_ranges): New function.
20502         (simplify_stmt_using_ranges): Use it.
20503
20504 2010-07-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
20505
20506         * config/spu/spu.h (struct spu_builtin_description): Remove FNDECL
20507         member.  Do not mark as GTY(()).
20508         * config/spu/spu.c (spu_builtins): Remove FNDECL initializer elements.
20509         (spu_builtin_decls): New static variable.
20510         (spu_builtin_decl): Use it instead of spu_builtins[].fndecl.
20511         (spu_init_builtins): Likewise.
20512         (spu_builtin_mul_widen_even): Likewise.
20513         (spu_builtin_mul_widen_odd): Likewise.
20514         (spu_builtin_mask_for_load): Likewise.
20515         (spu_builtin_vec_perm): Likewise.
20516         * config/spu/spu-c.c: Include "target.h".
20517         (spu_resolve_overloaded_builtin): Call targetm.builtin_decl instead
20518         of using spu_builtins[].fndecl.
20519
20520 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20521
20522         * config/mips/mips.c (mips_override_options): Make -mflip-mips16
20523         imply -minterlink-mips16.
20524
20525 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20526
20527         * config/mips/mips.h (mips16_globals): Declare.
20528         (SWITCHABLE_TARGET): Define.
20529         * config/mips/mips.c: Include target-globals.h.
20530         (mips16_globals): New variable.
20531         (mips_set_mips16_mode): Use save_target_globals and
20532         restore_target_globals instead of target_reinit.
20533
20534 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20535
20536         * reginfo.c (init_reg_sets): Don't zero globals here.  Update comment
20537         to say that the function can be called more than once.
20538         * target-globals.c (save_target_globals): Call init_reg_sets.
20539
20540 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20541
20542         * Makefile.in (bb-reorder.o, target-globals.o): Depend on bb-reorder.h
20543         * bb-reorder.h: New file.
20544         * bb-reorder.c (default_target_bb_reorder): New variable.
20545         (this_target_bb_reorder): New conditional variable.
20546         (uncond_jump_length): Redefine as a macro.
20547         * target-globals.h (this_target_bb_reorder): Declare.
20548         (target_globals): Add a bb_reorder field.
20549         (restore_target_globals): Copy the bb_reorder field to
20550         this_target_bb-reorder.
20551         * target-globals.c: Include bb-reorder.h.
20552         (default_target_globals): Initialize the bb_reorder field.
20553         (save_target_globals): Likewise.
20554
20555 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20556
20557         * Makefile.in (gcse.o, target-globals.o): Depend on gcse.h..
20558         * gcse.h: New file.
20559         * gcse.c: Include gcse.h.
20560         (default_target_gcse): New variable.
20561         (this_target_gcse): New conditional variable.
20562         (can_copy): Redefine as a macro.
20563         (can_copy_init_p): New macro.
20564         (can_copy_p): Remove can_copy_init_p.
20565         * target-globals.h (this_target_gcse): Declare.
20566         (target_globals): Add a gcse field.
20567         (restore_target_globals): Copy the gcse field to this_target_gcse.
20568         * target-globals.c: Include gcse.h.
20569         (default_target_globals): Initialize the gcse field.
20570         (save_target_globals): Likewise.
20571
20572 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20573
20574         * ira-int.h (target_ira_int): Add x_ira_prohibited_mode_move_regs
20575         and x_ira_prohibited_mode_move_regs_initialized_p.
20576         (ira_prohibited_mode_move_regs): Redefine as a macro.
20577         * ira.c (ira_prohibited_mode_move_regs): Delete.
20578         (ira_prohibited_mode_move_regs_initialized_p): Redefine as a macro.
20579
20580 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20581
20582         * reload.h (target_reload): Add x_cached_reg_save_code and
20583         x_cached_reg_restore_code.
20584         * caller-save.c (cached_reg_save_code, cached_reg_restore_code):
20585         Redefine as macros.
20586
20587 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20588
20589         * Makefile.in (target-globals.o): Depend on builtins.h.
20590         * builtins.h: New file.
20591         * builtins.c: Include builtins.h.
20592         (default_target_builtins): New variable.
20593         (this_target_builtins): New conditional variable.
20594         (apply_args_mode, apply_result_mode): Redefine as macros.
20595         * target-globals.h (this_target_builtins): Declare.
20596         (target_globals): Add a builtins field.
20597         (restore_target_globals): Copy the builtins field to
20598         this_target_builtins.
20599         * target-globals.c: Include builtins.h.
20600         (default_target_globals): Initialize the builtins field.
20601         (save_target_globals): Likewise.
20602
20603 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20604
20605         * expmed.h (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST)
20606         (algorithm, alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved
20607         from expmed.c.
20608         (target_expmed): Add x_alg_hash and x_alg_hash_used_p.
20609         (alg_hash, alg_hash_used_p): New macros.
20610         * expmed.c (init_expmed): Clear alg_hash if reinitializing.
20611         (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST, algorithm)
20612         (alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved to expmed.h.
20613
20614 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20615
20616         * ira-int.h (target_ira_int): Add x_max_struct_costs_size, x_init_cost,
20617         x_temp_costs, x_op_costs, x_this_op_costs and x_cost_classes.
20618         * ira-costs.c (max_struct_costs_size, init_cost, temp_costs, op_costs)
20619         (this_op_costs, costs_classes): Redefine as macros.
20620         (record_reg_classes): Don't take op_costs as a parameter.
20621         (record_operand_costs): Likewise.  Update calls to record_reg_classes.
20622         (scan_one_insn): Update call to record_operand_costs.
20623
20624 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20625
20626         * Makefile.in (target-globals.o): Depend on $(IRA_INT_H).
20627         * ira-int.h (ira_max_nregs, ira_important_class_nums): Delete.
20628         (target_ira_int): New structure.
20629         (default_target_ira_int): Declare.
20630         (this_target_ira_int): Declare as a variable or define as a macro.
20631         (ira_reg_mode_hard_regset, ira_register_move_cost)
20632         (ira_may_move_in_cost, ira_may_move_out_cost, ira_class_subset_p)
20633         (ira_non_ordered_class_hard_regs, ira_class_hard_reg_index)
20634         (prohibited_class_mode_regs, ira_important_classes_num)
20635         (ira_important_classes, ira_reg_class_intersect)
20636         (ira_reg_classes_intersect_p, ira_reg_class_super_classes)
20637         (ira_reg_class_union): Redefine as macros.
20638         * ira.h (target_ira): New structure.
20639         (default_target_ira): Declare.
20640         (this_target_ira): Declare as a variable or define as a macro.
20641         (ira_available_class_regs, ira_hard_regno_cover_class)
20642         (ira_reg_class_cover_size, ira_reg_class_cover, ira_class_translate)
20643         (ira_reg_class_nregs, ira_memory_move_cost, ira_class_hard_regs)
20644         (ira_class_hard_regs_num): Redefine as macros.
20645         * ira.c (default_target_ira, default_target_ira_int): New variables.
20646         (this_target_ira, this_target_ira_int): New conditional variables.
20647         (ira_reg_mode_hard_regset, ira_memory_move_cost)
20648         (ira_register_move_cost, ira_may_move_in_cost, ira_may_move_out_cost)
20649         (ira_class_subset_p): Delete.
20650         (no_unit_alloc_regs): Redefine as a macro.
20651         (ira_class_hard_regs, ira_non_ordered_class_hard_regs)
20652         (ira_class_hard_regs_num, ira_class_hard_reg_index)
20653         (ira_available_class_regs): Delete.
20654         (alloc_reg_class_subclasses): Redefine as a macro.
20655         (ira_reg_class_cover_size, ira_reg_class_cover)
20656         (ira_important_classes_num, ira_important_classes)
20657         (ira_important_class_nums, ira_class_translate): Delete.
20658         (cover_class_order): Document the variable's lifetime.
20659         (reorder_important_classes): Don't set ira_important_class_nums.
20660         (ira_reg_class_intersect, ira_reg_classes_intersect_p)
20661         (ira_reg_class_super_classes, ira_reg_class_union)
20662         (ira_hard_regno_cover_class, ira_reg_class_nregs, ira_max_nregs):
20663         Delete.
20664         (setup_reg_class_nregs): Don't set ira_max_regs.
20665         (prohibited_class_mode_regs): Delete.
20666         * target-globals.h (this_target_ira, this_target_ira_int): Declare.
20667         (target_globals): Add ira and ira_int fields.
20668         (restore_target_globals): Copy the ira field to this_target_ira
20669         and the ira_int field to this_target_ira_int.
20670         * target-globals.c: Include ira-int.h.
20671         (default_target_globals): Initialize the ira and ira_int fields.
20672         (save_target_globals): Likewise.
20673
20674 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20675
20676         * Makefile.in (target-globals.o): Depend on $(CFGLOOP_H).
20677         * cfgloop.h (target_cfgloop): New structure.
20678         (default_target_cfgloop): Declare.
20679         (this_target_cfgloop): Declare as a variable or define as a macro.
20680         (target_avail_regs, target_clobbered_regs, target_res_regs)
20681         (target_reg_cost, target_spill_cost): Redefine as macros.
20682         * cfgloopanal.c (default_target_cfgloop): New variable.
20683         (this_target_cfgloop): New conditional variable.
20684         (target_avail_regs, target_clobbered_regs, target_res_regs)
20685         (target_reg_cost, target_spill_cost): Delete.
20686         * target-globals.h (this_target_cfgloop): Declare.
20687         (target_globals): Add a cfgloop field.
20688         (restore_target_globals): Copy the cfgloop field to
20689         this_target_cfgloop.
20690         * target-globals.c: Include cfgloop.h.
20691         (default_target_globals): Initialize the cfgloop field.
20692         (save_target_globals): Likewise.
20693
20694 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20695
20696         * regs.h (target_regs): Add x_direct_load, x_direct_store and
20697         x_float_extend_from_mem.
20698         (direct_load, direct_store, float_extend_from_mem): New macros.
20699         * expr.c (direct_load, direct_store, float_extend_from_mem): Delete.
20700
20701 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20702
20703         * Makefile.in (LIBFUNCS_H): Add $(HASHTAB_H).
20704         (target-globals.o): Depend on $(LIBFUNCS_H).
20705         * libfuncs.h: Include hashtab.h.
20706         (libfunc_entry): Moved from optabs.c.
20707         (target_libfuncs): New structure.
20708         (default_target_libfuncs): Declare.
20709         (this_target_libfuncs): Declare as a variable or define as a macro.
20710         (libfunc_table): Redefine as a macro.
20711         * optabs.c (default_target_libfuncs): New variable.
20712         (this_target_libfuncs): New conditional variable.
20713         (libfunc_table): Delete.
20714         (libfunc_entry): Moved to optabs.h.
20715         (libfunc_hash): Redefine as a macro.
20716         (hash_libfunc, eq_libfunc): Fix comments.
20717         (init_optabs): Use libfunc_hash to detect cases where the function
20718         has already been called.  Clear the hash table instead of
20719         recreating it.
20720         * target-globals.h (this_target_libfuncs): Declare.
20721         (target_globals): Add a libfuncs field.
20722         (restore_target_globals): Copy the libfuncs field to
20723         this_target_libfuncs.
20724         * target-globals.c: Include libfuncs.h.
20725         (default_target_globals): Initialize the libfuncs field.
20726         (save_target_globals): Likewise.
20727
20728 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20729
20730         * Makefile.in (LIBFUNCS_H): New variable.  Use instead of libfuncs.h
20731         in all dependency lists.
20732
20733 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20734
20735         * Makefile.in (target-globals.o): Depend on $(EXPR_H) and $(OPTABS_H).
20736         * optabs.h (target_optabs): New structure.
20737         (default_target_optabs): Declare.
20738         (this_target_optabs): Declare as a variable or define as a macro.
20739         (optab_table, convert_optab_table, direct_optab_table): Redefine
20740         as macros.
20741         * optabs.c (default_target_optabs): New variable.
20742         (this_target_optabs): New conditional variable.
20743         (optab_table, convert_optab_table, direct_optab_table): Delete.
20744         * target-globals.h (this_target_optabs): Declare.
20745         (target_globals): Add a optabs field.
20746         (restore_target_globals): Copy the optabs field to
20747         this_target_optabs.
20748         * target-globals.c: Include expr.h and optabs.h.
20749         (default_target_globals): Initialize the optabs field.
20750         (save_target_globals): Likewise.
20751
20752 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20753
20754         * flags.h (target_flagstate): Add x_flag_excess_precision.
20755         (flag_excess_precision): Redefine as a macro.
20756         * toplev.c (flag_excess_precision): Delete.
20757
20758 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20759
20760         * defaults.h (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Define if not defined.
20761         * libgcc2.c (MIN_UNITS_PER_WORD): Delete.
20762         * hard-reg-set.h (target_hard_regs): Add x_no_caller_save_reg_set.
20763         (no_caller_save_reg_set): Redefine as a macro.
20764         * reload.h (target_reload): Add x_caller_save_initialized_p and
20765         x_regno_save_mode.
20766         (caller_save_initialized_p): Redefine as a macro.
20767         * caller-save.c (caller_save_initialized_p, no_caller_save_reg_set)
20768         (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Delete.
20769         (regno_save_mode): Redefine as a macro.
20770
20771 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20772
20773         * Makefile.in (expmed.o, target-globals.o): Depend on expmed.h.
20774         * expmed.h: New file.
20775         * expmed.c (default_target_costs): New variable.
20776         (this_target_costs): New conditional variable.
20777         (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost, neg_cost)
20778         (shift_cost, shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost)
20779         (sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete.
20780         * target-globals.h (this_target_expmed): Declare.
20781         (target_globals): Add a expmed field.
20782         (restore_target_globals): Copy the expmed field to
20783         this_target_expmed.
20784         * target-globals.c: Include expmed.h.
20785         (default_target_globals): Initialize the expmed field.
20786         (save_target_globals): Likewise.
20787
20788 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20789
20790         * Makefile.in (target-globals.o): Depend on reload.h.
20791         * reload.h (target_reload): New structure.
20792         (default_target_reload): Declare.
20793         (this_target_reload): Declare as a variable or define as a macro.
20794         (indirect_symref_ok, double_reg_address_ok): Redefine as macros.
20795         * reload1.c (default_target_reload): New variable
20796         (this_target_reload): New conditional variable.
20797         (indirect_symref_ok, double_reg_address_ok): Delete.
20798         (spill_indirect_levels): Redefine as a macro.
20799         * target-globals.h (this_target_reload): Declare.
20800         (target_globals): Add a reload field.
20801         (restore_target_globals): Copy the reload field to
20802         this_target_reload.
20803         * target-globals.c: Include hard-reg-set.h.
20804         (default_target_globals): Initialize the reload field.
20805         (save_target_globals): Likewise.
20806
20807 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20808
20809         * rtl.h (target_rtl): Add x_static_reg_base_value.
20810         * alias.c (static_reg_base_value): Redefine as a macro.
20811
20812 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20813
20814         * Makefile.in (reginfo.o): Don't depend on $(GGC_H) or gt-reginfo.h.
20815         (GTFILES): Remove reginfo.c.
20816         * rtl.h (target_rtl): Add x_top_of_stack.
20817         (top_of_stack): New macro.
20818         * reginfo.c: Don't include ggc.h or gt-reginfo.h.
20819         (top_of_stack): Delete.
20820
20821 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20822
20823         * regs.h (target_regs): Add x_hard_regs_of_mode,
20824         x_contains_reg_of_mode, x_move_cost, x_may_move_in_cost,
20825         x_may_move_out_cost and x_last_mode_for_init_move_cost.
20826         (have_regs_of_mode, contains_reg_of_mode, move_cost)
20827         (may_move_in_cost, may_move_out_cost): Redefine as macros.
20828         * reginfo.c (have_regs_of_mode, contains_reg_of_mode, move_cost)
20829         (may_move_in_cost, may_move_out_cost): Delete.
20830         (last_mode_for_init_move_cost): Redefine as a macro.
20831
20832 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20833
20834         * hard-reg-set.h (target_hard_regs): New structure.
20835         (default_target_hard_regs): Declare.
20836         (this_target_hard_regs): Declare as a variable or define as a macro.
20837         (fixed_regs, fixed_reg_set, call_used_regs, call_really_used_regs)
20838         (call_used_reg_set, call_fixed_reg_set, regs_invalidated_by_call)
20839         (reg_alloc_order, inv_reg_alloc_order, reg_class_contents)
20840         (reg_class_size, reg_class_subclasses, reg_class_subunion)
20841         (reg_class_superunion, reg_names): Redefine as macros.
20842         * reginfo.c (fixed_regs, fixed_reg_set, call_used_regs)
20843         (call_used_reg_set, call_really_used_regs, call_fixed_reg_set)
20844         (regs_invalidated_by_call, reg_alloc_order, inv_reg_alloc_order)
20845         (reg_class_contents, reg_class_size, reg_class_subclasses)
20846         (reg_class_subunion, reg_class_superunion, reg_names): Delete.
20847         (default_target_hard_regs): New variable
20848         (this_target_hard_regs, initial_call_really_used_regs)
20849         (initial_reg_alloc_order): New conditional variables.
20850         (initial_reg_names): New variable.
20851         (init_reg_sets): Assert that initial_call_really_used_regs,
20852         initial_reg_alloc_order and initial_reg_names
20853         are all the same size as their variable counterparts.  Use them to
20854         initialize those counterparts.
20855         * target-globals.h (this_target_hard_regs): Declare.
20856         (target_globals): Add a hard_regs field.
20857         (restore_target_globals): Copy the hard_regs field to
20858         this_target_hard_regs.
20859         * target-globals.c: Include hard-reg-set.h.
20860         (default_target_globals): Initialize the hard_regs field.
20861         (save_target_globals): Likewise.
20862
20863 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20864
20865         * Makefile.in (target-globals.o): Depend on $(RTL_H).
20866         * rtl.h (target_rtl): New structure.
20867         (default_target_rtl): Declare.
20868         (this_target_rtl): Declare as a variable or define as a macro.
20869         (global_rtl, pic_offset_table_rtx, return_address_pointer_rtx):
20870         Redefine as macros.
20871         * emit-rtl.c (default_target_rtl): New variable.
20872         (this_target_rtl): New conditional variable.
20873         (global_rtl, static_regno_reg_rtx, pic_offset_table_rtx)
20874         (return_address_pointer_rtx): Delete.
20875         (initial_regno_reg_rtx): New macro.
20876         (init_emit): Use initial_regno_reg_rtx instead of static_regno_reg_rtx.
20877         (init_emit_regs): Likewise.
20878         * target-globals.h (this_target_rtl): Declare.
20879         (target_globals): Add a rtl field.
20880         (restore_target_globals): Copy the rtl field to this_target_rtl.
20881         * target-globals.c: Include rtl.h.
20882         (default_target_globals): Initialize the rtl field.
20883         (save_target_globals): Likewise.
20884
20885 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20886
20887         * Makefile.in (target-globals.o): Depend on $(REGS_H).
20888         * regs.h (target_reg_modes): New structure.
20889         (default_target_reg_modes): Declare.
20890         (this_target_reg_modes): Declare as a variable or define as a macro.
20891         (hard_regno_nregs, reg_raw_mode): Redefine as macros.
20892         * reginfo.c (default_target_reg_modes): New variable.
20893         (this_target_reg_modes): New conditional variable.
20894         (hard_regno_nregs, reg_raw_mode): Delete.
20895         * target-globals.h (this_target_regs): Declare.
20896         (target_globals): Add a regs field.
20897         (restore_target_globals): Copy the regs field to this_target_regs.
20898         * target-globals.c: Include regs.h.
20899         (default_target_globals): Initialize the regs field.
20900         (save_target_globals): Likewise.
20901
20902 2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
20903
20904         * doc/tm.texi.in (SWITCHABLE_TARGET): Document.
20905         * doc/tm.texi: Regenerate.
20906         * Makefile.in (OBJS-common): Add target-globals.o.
20907         (gtype-desc.o): Depend on $(IPA_PROP_H), $(LTO_STREAMER_H)
20908         and target-globals.h.
20909         (target-globals.o): New rule.
20910         (GTFILES): Include $(srcdir)/target-globals.h.
20911         * defaults.h (SWITCHABLE_TARGET): Define.
20912         * gengtype.c (open_base_files): Add target-globals.h to the
20913         list of includes.
20914         * target-globals.h: New file.
20915         * target-globals.c: Likewise.
20916
20917         * Makefile.in (target-globals.o): Depend on $(FLAGS_H).
20918         * flags.h (target_flag_state): New structure.
20919         (default_target_flag_state): Declare.
20920         (this_target_flag_state): Declare as a variable or define as a macro.
20921         (align_loops_log): Redefine as a macro.
20922         (align_loops_max_skip, align_jumps_log): Likewise.
20923         (align_jumps_max_skip, align_labels_log): Likewise.
20924         (align_labels_max_skip, align_functions_log): Likewise.
20925         * toplev.c (default_target_flag_state): New variable.
20926         (this_target_flag_state): New conditional variable.
20927         (align_loops_log): Delete.
20928         (align_loops_max_skip, align_jumps_log): Likewise.
20929         (align_jumps_max_skip, align_labels_log): Likewise.
20930         (align_labels_max_skip, align_functions_log): Likewise.
20931         * target-globals.h (this_target_flag_state): Declare.
20932         (target_globals): Add a flag_state field.
20933         (restore_target_globals): Copy the flag_state field to
20934         this_target_flag_state.
20935         * target-globals.c: Include flags.h.
20936         (default_target_globals): Initialize the flag_state field.
20937         (save_target_globals): Likewise.
20938
20939 2010-07-12  Jie Zhang  <jie@codesourcery.com>
20940
20941         * postreload.c (reg_symbol_ref[]): New.
20942         (move2add_use_add2_insn): New.
20943         (move2add_use_add3_insn): New.
20944         (reload_cse_move2add): Handle SYMBOL + OFFSET case.
20945         (move2add_note_store): Likewise.
20946
20947 2010-07-12  Joern Rennecke  <joern.rennecke@embecosm.com>
20948
20949         PR rtl-optimization/44752
20950         * genautomata.c (main): Don't emit an empty file even if there
20951         is no automaton.
20952
20953 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20954
20955         * config/i386/i386.c (ix86_sol10_return_in_memory): Rename to
20956         ix86_solaris_return_in_memory.
20957         * config/i386-protos.h: Reflect this.
20958         * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
20959         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
20960         Move ...
20961         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): ... here.
20962
20963 2010-07-12  Jie Zhang  <jie@codesourcery.com>
20964
20965         * config/arm/arm.c (arm_get_frame_offsets): Don't use r3 to
20966         align the stack when it's going to be saved.
20967
20968 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20969
20970         PR pch/14940
20971         * config/host-solaris.c (mmap_fixed): New function.
20972         (sol_gt_pch_get_address): Use it.
20973         (sol_gt_pch_use_address): Likewise.
20974
20975 2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
20976
20977         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
20978         pentiumpro on Solaris 8 and 9/x86.
20979         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
20980         Document SSE/SSE2 support.
20981         * doc/sourcebuild.texi (Effective-Target Keywords): Document sse.
20982
20983 2010-07-12  Andi Kleen  <ak@linux.intel.com>
20984
20985         * lto-symtab.c (lto_symtab_merge_decls_1): Use fatal_error
20986         instead of gcc_assert to print better error message for multiple
20987         prevailing defs.
20988
20989 2010-07-12  Uros Bizjak  <ubizjak@gmail.com>
20990
20991         * config/i386/i386.c (ix86_asm_output_function_label): Change format
20992         string placeholder from 0x%x to %#x.
20993         (ix86_code_end): Use putc to output '\n'.
20994         (ix86_print_operand) <case ';'>: Use putc to output ';'.
20995
20996 2010-07-11  Kai Tietz  <kai.tietz@onevision.com>
20997
20998         * config/i386/winnt.c (i386_pe_file_end): Quote symbol name
20999         in directive -export.
21000
21001 2010-07-10  Anatoly Sokolov  <aesok@post.ru>
21002
21003         * reginfo.h (reg_classes_intersect_p): Change arguments type to
21004         reg_class_t.
21005         * rtl.h (reg_classes_intersect_p): Adjust prototype.
21006
21007         * config/rs6000/rs6000.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
21008         Remove macros.
21009         * config/rs6000/rs6000-protos.h (rs6000_register_move_cost,
21010         rs6000_memory_move_cost): Remove
21011         * config/rs6000/rs6000.c (TARGET_REGISTER_MOVE_COST,
21012         TARGET_MEMORY_MOVE_COST): Define.
21013         (rs6000_register_move_cost): Make static. Change arguments type from
21014         enum reg_class to reg_class_t. Adjust rs6000_memory_move_cost calls.
21015         (rs6000_memory_move_cost): Make static. Change arguments type from
21016         'enum reg_class' to reg_class_t.
21017
21018 2010-07-10  Sandra Loosemore  <sandra@codesourcery.com>
21019
21020         PR middle-end/42505
21021         * tree-inline.c (estimate_num_insns): Refactor builtin complexity
21022         lookup code into....
21023         * builtins.c (is_simple_builtin, is_inexpensive_builtin): ...these
21024         new functions.
21025         * tree.h (is_simple_builtin, is_inexpensive_builtin): Declare.
21026         * cfgloopanal.c (target_clobbered_regs): Define.
21027         (init_set_costs): Initialize target_clobbered_regs.
21028         (estimate_reg_pressure_cost): Add call_p argument.  When true,
21029         adjust the number of available registers to exclude the
21030         call-clobbered registers.
21031         * cfgloop.h (target_clobbered_regs): Declare.
21032         (estimate_reg_pressure_cost): Adjust declaration.
21033         * tree-ssa-loop-ivopts.c (struct ivopts_data): Add body_includes_call.
21034         (ivopts_global_cost_for_size): Pass it to estimate_reg_pressure_cost.
21035         (determine_set_costs): Dump target_clobbered_regs.
21036         (loop_body_includes_call): New function.
21037         (tree_ssa_iv_optimize_loop): Use it to initialize new field.
21038         * loop-invariant.c (gain_for_invariant): Adjust arguments to pass
21039         call_p flag through.
21040         (best_gain_for_invariant): Likewise.
21041         (find_invariants_to_move): Likewise.
21042         (move_single_loop_invariants): Likewise, using already-computed
21043         has_call field.
21044
21045 2010-07-10  Richard Guenther  <rguenther@suse.de>
21046             Joern Rennecke  <joern.rennecke@embecosm.com>
21047
21048         PR debug/44832
21049         * tree-ssa-live.c (mark_all_vars_used_1): Set TREE_USED for LABEL_DECL.
21050         (remove_unused_scope_block_p): Don't drop TREE_USED LABEL_DECLs
21051         unless they have DECL_IGNORED_P set.
21052
21053 2010-07-10  Richard Guenther  <rguenther@suse.de>
21054
21055         PR lto/44889
21056         * gimple.c (gimple_fixup_complete_and_incomplete_subtype_p): New
21057         helper function.
21058         (gimple_types_compatible_p): Similar to pointed-to
21059         types allow and merge a mix of complete and incomplete aggregate.
21060         Use gimple_fixup_complete_and_incomplete_subtype_p for that.
21061         (iterative_hash_gimple_type): Adjust for that.
21062
21063 2010-07-10  Richard Sandiford  <r.sandiford@uk.ibm.com>
21064
21065         * tree.h (DECL_REPLACEABLE_P): Strengthen check for weak symbols.
21066
21067 2010-07-10  Iain Sandoe  <iains@gcc.gnu.org>
21068
21069         PR objc/44140
21070         * config/darwin.c (output_objc_section_asm_op): Save and restore
21071         section when outputting ObjC section list.
21072
21073 2010-07-09  Jan Hubicka  <jh@suse.cz>
21074
21075         * lto-streamer-out.c (produce_symtab): Do not write alias
21076         cgraph/varpool nodes.
21077
21078 2010-07-09  Jan Hubicka  <jh@suse.cz>
21079
21080         * tree-inline.c (declare_return_variable): Fix ICE while
21081         inlining DECL_BY_VALUE function not in SSA form
21082
21083 2010-07-09  Changpeng Fang  <changpeng.fang@amd.com>
21084
21085         PR tree-optimization/44576
21086         * tree-ssa-loop-prefetch.c (trip_count_to_ahead_ratio_too_small_p):
21087         New.  Pull out from is_loop_prefetching_profitable to implement
21088         the trip count to ahead ratio heuristic.
21089         (mem_ref_count_reasonable_p): New.  Pull out from
21090         is_loop_prefetching_profitable to implement the instruction to
21091         memory reference ratio heuristic.  Also consider not reasonable if
21092         the memory reference count is above a threshold (to avoid
21093         explosive compilation time.
21094         (insn_to_prefetch_ratio_too_small_p): New.  Pull out from
21095         is_loop_prefetching_profitable to implement the instruction to
21096         prefetch ratio heuristic.
21097         (is_loop_prefetching_profitable): Removed.
21098         (loop_prefetch_arrays): Distribute the cost analysis across the
21099         function to allow early exit of the prefetch analysis.
21100         is_loop_prefetching_profitable is splitted into three functions,
21101         with each one called as early as possible.
21102         (PREFETCH_MAX_MEM_REFS_PER_LOOP): New.  Threshold above which the
21103         number of memory references in a loop is considered too many.
21104
21105 2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>
21106
21107         * reload.c (find_reloads): Don't clear badop if we have a winreg
21108         alternative, but not win, and the class only has fixed regs.
21109         * hard-reg-set.h (class_only_fixed_regs): Declare.
21110         * reginfo.c (class_only_fixed_regs): New array.
21111         (init_reg_sets_1): Initialize it.
21112         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn): Don't
21113         discourage alternatives using the stack pointer.
21114
21115         * config/arm/arm.md (addsi3_cbranch): Switch alternatives 0 and 1.
21116
21117         * config/arm/arm.md (Thumb-1 ldrsb peephole): New.
21118
21119         * config/arm/arm.md (cbranchqi4): Fix array size.
21120         (addsi3_cbranch): Also andle alternative 2 like alternative 3 when
21121         calculating length.
21122
21123 2010-07-09  Richard Guenther  <rguenther@suse.de>
21124
21125         * gimple.c (struct type_fixup_s): New struct and VEC type.
21126         (gimple_register_type_fixups): New static global.
21127         (gimple_queue_type_fixup): New function.
21128         (gimple_types_compatible_p): Queue type fixups instead of
21129         applying them here.
21130         (gimple_register_type): Apply queued fixups for the
21131         canonical type.  Empty the type fixup queue.
21132
21133 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
21134
21135         * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Fix test.
21136         * configure: Regenerate.
21137         * config.in: Ditto.
21138
21139 2010-07-09  Jakub Jelinek  <jakub@redhat.com>
21140             Denys Vlasenko  <dvlasenk@redhat.com>
21141             Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
21142
21143         PR tree-optimization/28632
21144         * tree-vrp.c (zero_nonzero_bits_from_vr): New function.
21145         (extract_range_from_binary_expr): Further optimize
21146         BIT_AND_EXPR and BIT_IOR_EXPR.
21147
21148 2010-07-09  Sebastian Pop  <sebastian.pop@amd.com>
21149
21150         * tree-if-conv.c (fold_or_predicates): New.
21151         (add_to_predicate_list): Call it.
21152
21153 2010-07-09  Richard Guenther  <rguenther@suse.de>
21154
21155         PR middle-end/44890
21156         * tree-ssa-address.c (create_mem_ref_raw): Only build a MEM_REF
21157         if base is a pointer.
21158         * tree-cfg.c (verify_expr): Update MEM_REF checking.
21159
21160 2010-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
21161
21162         PR target/44877
21163         * config/rs6000/rs6000.c (rs6000_expand_builtin): Use
21164         POINTER_TYPE_P instead of checking only for POINTER_TYPE for the
21165         builtin mask for load/store builtins.
21166
21167 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
21168
21169         * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Also check
21170         for "lock addl".
21171         * configure: Regenerate.
21172         * config/i386/i386.c (ix86_print_operand) <case ';'>:
21173         Remove TARGET_MACHO.
21174
21175 2010-07-09  Peter Bergner  <bergner@vnet.ibm.com>
21176
21177         * config/rs6000/rs6000.c (rs6000_override_options): Fix setting of
21178         default ISA flags.
21179         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mvsx.
21180
21181 2010-07-09  Tom de Vries  <tjvries@xs4all.nl>
21182
21183         * tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.
21184
21185 2010-07-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
21186
21187         * config/picochip/picochip.md (commsTestPort): Emit more
21188         efficient sequence for tstport instruction.
21189
21190 2010-07-09  Uros Bizjak  <ubizjak@gmail.com>
21191
21192         * config/i386/i386.c (ix86_veclib_handler): Make static.
21193
21194 2010-07-09  Richard Guenther  <rguenther@suse.de>
21195
21196         PR tree-optimization/44852
21197         * tree-ssa-alias.c: Include toplev.h for exact_log2.
21198         (indirect_ref_may_alias_decl_p): Properly handle negative offsets
21199         in MEM_REF.
21200         (indirect_refs_may_alias_p): Likewise.
21201         * Makefile.in (tree-ssa-alias.o): Add $(TOPLEV_H).
21202
21203 2010-07-09  Richard Guenther  <rguenther@suse.de>
21204
21205         PR tree-optimization/44882
21206         * tree-vect-stmts.c (vectorizable_store): Do not assert alias
21207         sets do conflict.
21208         (vectorizable_load): Likewise.
21209
21210 2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>
21211
21212         PR target/40657
21213         * config/arm/arm.c (thumb1_extra_regs_pushed): New arg FOR_PROLOGUE.
21214         All callers changed.
21215         Handle the case when we're called for the epilogue.
21216         (thumb_unexpanded_epilogue): Use it.
21217         (thumb1_expand_epilogue): Likewise.
21218
21219 2010-07-09  Jakub Jelinek  <jakub@redhat.com>
21220
21221         * tree-vrp.c (extract_range_from_binary_expr) <BIT_AND_EXPR>: If
21222         both ranges are range_int_cst_p with non-negative minimum,
21223         try harder to derive smaller range.
21224
21225 2010-07-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21226
21227         * genrecog.c: Include diagnostic-core.h before toplev.h.
21228         * genoutput.c: Likewise.
21229         * genextract.c: Likewise.
21230         * genautomata.c: Likewise.
21231         * genemit.c: Likewise.
21232         * genpeep.c: Likewise.
21233         * genattrtab.c: Likewise.
21234         * genconditions.c: Likewise.
21235         * genpreds.c: Likewise.
21236
21237 2010-07-08  Andi Kleen  <ak@linux.intel.com>
21238
21239         * lto-section-in.c (lto_section_name): Add missing comma.
21240
21241 2010-07-08  Anatoly Sokolov  <aesok@post.ru>
21242
21243         * config/ia64/ia64.h (OVERRIDE_OPTIONS): Remove macros.
21244         * config/ia64/ia64-protos.h (ia64_override_options): Remove.
21245         * config/ia64/ia64.c (TARGET_OPTION_OVERRIDE): Define.
21246         (ia64_override_options): Rename to...
21247         (ia64_option_override): ... this one. Make static.
21248
21249 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
21250
21251         PR middle-end/44843
21252         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not rely on the
21253         pointed-to type of the offset in a MEM_REF to compute the alignment.
21254
21255 2010-07-08  Kai Tietz  <kai.tietz@onevision.com>
21256
21257         * final.c (final_scan_insn): Replace
21258         TARGET_UNWIND_INFO macro check by unwind_emit
21259         hook NULL check.
21260         * targhooks.c (default_unwind_emit): Removed.
21261         * targhooks.h (default_unwind_emit): Likewise.
21262         * target.def (unwind_emit): Set default value to NULL.
21263
21264         * config/i386/i386-protos.h (ix86_asm_output_function_label):
21265         New prototype.
21266         * config/i386/i386.c (ix86_function_ms_hook_prologue): Check
21267         for NULL fntype argument and allow 64-bit targets.
21268         (ix86_asm_output_function_label): New function.
21269         (ix86_expand_prologue): Handle 64-bit ms hook prologue.
21270         (ix86_handle_fndecl_attribute): Likewise.
21271         * doc/extend.texi (ms_hook_prologue): Adjust documentation.
21272         * doc/doc/tm.texi: Regenerated.
21273         * doc/doc/doc/tm.texi.in (ASM_OUTPUT_FUNCTION_LABEL): New.
21274         (ASM_DECLARE_FUNCTION_NAME): Adjust documentation.
21275         * defaults.h (ASM_OUTPUT_FUNCTION_LABEL): New macro.
21276         * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use
21277         ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
21278         * config/elfos.h: Likewise.
21279         * config/i386/cygming.h: Likewise.
21280         * config/netbsd-aout.h: Likewise.
21281         * config/openbsd.h: Likewise.
21282         * config/i386/i386.h (ASM_OUTPUT_FUNCTION_LABEL): Override
21283         by ix86_asm_output_function_label function call.
21284         * varasm.c (assemble_start_function): Use
21285         ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
21286
21287 2010-07-08  Jan Hubicka  <jh@suse.cz>
21288
21289         * cgraph.c (cgraph_will_be_removed_from_program_if_no_direct_calls):
21290         New function.
21291         * cgraph.h (cgraph_will_be_removed_from_program_if_no_direct_calls):
21292         Declare.
21293         * ipa-cp.c (ipcp_estimate_growth): Use it.
21294         * ipa-inline.c (cgraph_estimate_growth, cgraph_decide_inlining):
21295         Likewise.
21296
21297 2010-07-08  Jan Hubicka  <jh@suse.cz>
21298
21299         * tree-inline.c (declare_return_variable): Allocate annotation for new
21300         temporary.
21301
21302 2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>
21303
21304         PR tree-optimization/44710
21305         * tree-if-conv.c (parse_predicate): New.
21306         (add_to_predicate_list): Call it, call maybe_fold_or_comparisons.
21307         Make sure that the predicates are either SSA_NAMEs or gimple_condexpr.
21308
21309 2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>
21310
21311         * common.opt (ftree-loop-if-convert): New flag.
21312         * doc/invoke.texi (ftree-loop-if-convert): Documented.
21313         * tree-if-conv.c (gate_tree_if_conversion): Enable if-conversion
21314         when flag_tree_loop_if_convert is set.
21315
21316 2010-07-08  Uros Bizjak  <ubizjak@gmail.com>
21317
21318         * config/i386/i386.c: Use short syntax for function calls
21319         through function pointers.
21320         * config/i386/i386.md: Ditto.
21321
21322 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
21323
21324         * emit-rtl.c (set_mem_attributes_minus_bitpos): Fix formatting issues.
21325
21326 2010-07-08  Richard Guenther  <rguenther@suse.de>
21327
21328         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Fix
21329         stmt check for POINTER_PLUS_EXPRs, fix the pointer assignment.
21330
21331 2010-07-08  Jakub Jelinek  <jakub@redhat.com>
21332
21333         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_const[48]u
21334         instead of DW_OP_addr for DW_OP_GNU_push_tls_address operand.
21335         (loc_list_from_tree): Likewise.
21336         (output_loc_operands): Handle outputting DW_OP_const[48]u
21337         with loc->dtprel set.
21338         (resolve_addr_in_expr): Handle loc->dtprel like DW_OP_addr.
21339
21340 2010-07-08  Jan Hubicka  <jh@suse.cz>
21341
21342         * ipa.c: Include pointer-set.h
21343         (cgraph_externally_visible_p): New attribute ALIASED;
21344         when in LTO, hidden symbols are local unless they are aliased.
21345         (function_and_variable_visibility): Compute aliased nodes;
21346         handle LTO and hidden symbol on functions and vars.
21347         * cgraph.c (cgraph_make_decl_local): Clear NAMED_SECTION
21348         for COMDAT symbols; handle COMDAT_GROUPS also at vars.
21349
21350 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
21351
21352         * config/i386/cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
21353         * config/i386/freebsd.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
21354         * config/i386/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
21355         * config/i386/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
21356         * config/i386/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
21357         * config/i386/i386.c (ix86_gen_adjust_stack_and_probe): New variable.
21358         (ix86_gen_probe_stack_range): Likewise.
21359         (override_options): Set them.
21360         (ix86_target_stack_probe): New function.
21361         (ix86_compute_frame_layout): Force use of push instructions to
21362         save registers if stack checking with probes is enabled.
21363         (get_scratch_register_on_entry): New function.
21364         (release_scratch_register_on_entry): Likewise.
21365         (ix86_adjust_stack_and_probe): Likewise.
21366         (output_adjust_stack_and_probe): Likewise.
21367         (ix86_emit_probe_stack_range): Likewise.
21368         (output_probe_stack_range): Likewise.
21369         (ix86_expand_prologue): Emit stack checking code if static built-in
21370         stack checking is enabled.
21371         Test ix86_target_stack_probe instead of TARGET_STACK_PROBE.
21372         * config/i386/i386-protos.h (ix86_target_stack_probe): Declare.
21373         (output_adjust_stack_and_probe): Likewise.
21374         (output_probe_stack_range): Likewise.
21375         * config/i386/i386.md (UNSPECV_PROBE_STACK_RANGE): New constant.
21376         (allocate_stack_worker_32): Test ix86_target_stack_probe instead of
21377         TARGET_STACK_PROBE.
21378         (allocate_stack_worker_64): Likewise.
21379         (allocate_stack): Likewise.
21380         (adjust_stack_and_probe): New insn.
21381         (probe_stack_range): Likewise.
21382
21383 2010-07-08  Richard Guenther  <rguenther@suse.de>
21384
21385         PR tree-optimization/44831
21386         * tree-ssa-phiprop.c (phiprop_insert_phi): Properly build
21387         a MEM_REF preserving TBAA info of the original dereference.
21388         Dereference the original pointer if the address is not invariant.
21389         (propagate_with_phi): Fixup type checks wrt MEM_REFs.  Require
21390         at least one invariant address that we are going to dereference.
21391
21392 2010-07-08  Richard Guenther  <rguenther@suse.de>
21393
21394         PR tree-optimization/44861
21395         * tree-vect-stmts.c (vectorizable_store): Preserve TBAA
21396         information when building MEM_REFs.
21397         (vectorizable_load): Likewise.
21398         * tree-vect-data-refs.c (vect_setup_realignment): Likewise.
21399
21400 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
21401
21402         * config/sol2-c.c: Do not include diagnostic-core.h.
21403
21404 2010-07-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
21405
21406         PR bootstrap/44768
21407         * cfgexpand.c (estimated_stack_frame_size): Make self-contained
21408         with respect to current_function_decl. Pass decl of the function.
21409         * tree-inline.h (estimated_stack_frame_size): Adjust prototype.
21410         * ipa-inline.c (compute_inline_parameters): Pass decl to
21411         estimated_stack_frame_size.
21412
21413 2010-07-08  Richard Guenther  <rguenther@suse.de>
21414
21415         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
21416         New function.
21417         (valueize_refs): Call it.
21418
21419 2010-07-08  Richard Guenther  <rguenther@suse.de>
21420
21421         PR rtl-optimization/44838
21422         * tree-ssa-alias.c (indirect_refs_may_alias_p): When not in
21423         SSA form do not use pointer equivalence.
21424
21425 2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>
21426
21427         * dwarf2out.c (AT_linkage_name): Delete.
21428         (add_linkage_attr): New function.
21429         (add_linkage_name): Call it to emit the linkage attribute.
21430         (dwarf2out_finish): Likewise.
21431         (move_linkage_attr): Explicitly accept both attribute variants.
21432
21433 2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
21434
21435         * toplev.h: Do not include diagnostic-core.h.
21436         Include diagnostic-core.h in every file that includes toplev.h.
21437         * c-tree.h: Do not include toplev.h.
21438         * pretty-print.h: Update comment.
21439         * Makefile.in: Update dependencies.
21440         * alias.c: Include diagnostic-core.h in every file that includes
21441         toplev.h.
21442         * attribs.c: Likewise.
21443         * auto-inc-dec.c: Likewise.
21444         * bb-reorder.c: Likewise.
21445         * bt-load.c: Likewise.
21446         * caller-save.c: Likewise.
21447         * calls.c: Likewise.
21448         * cfg.c: Likewise.
21449         * cfganal.c: Likewise.
21450         * cfgbuild.c: Likewise.
21451         * cfgcleanup.c: Likewise.
21452         * cfghooks.c: Likewise.
21453         * cfgloop.c: Likewise.
21454         * combine.c: Likewise.
21455         * config/alpha/alpha.c: Likewise.
21456         * config/arc/arc.c: Likewise.
21457         * config/arm/arm.c: Likewise.
21458         * config/arm/pe.c: Likewise.
21459         * config/avr/avr.c: Likewise.
21460         * config/bfin/bfin.c: Likewise.
21461         * config/cris/cris.c: Likewise.
21462         * config/crx/crx.c: Likewise.
21463         * config/darwin-c.c: Likewise.
21464         * config/darwin.c: Likewise.
21465         * config/fr30/fr30.c: Likewise.
21466         * config/frv/frv.c: Likewise.
21467         * config/h8300/h8300.c: Likewise.
21468         * config/host-darwin.c: Likewise.
21469         * config/i386/i386.c: Likewise.
21470         * config/i386/netware.c: Likewise.
21471         * config/i386/nwld.c: Likewise.
21472         * config/i386/winnt-cxx.c: Likewise.
21473         * config/i386/winnt-stubs.c: Likewise.
21474         * config/i386/winnt.c: Likewise.
21475         * config/ia64/ia64-c.c: Likewise.
21476         * config/ia64/ia64.c: Likewise.
21477         * config/iq2000/iq2000.c: Likewise.
21478         * config/lm32/lm32.c: Likewise.
21479         * config/m32c/m32c-pragma.c: Likewise.
21480         * config/m32c/m32c.c: Likewise.
21481         * config/m32r/m32r.c: Likewise.
21482         * config/m68hc11/m68hc11.c: Likewise.
21483         * config/m68k/m68k.c: Likewise.
21484         * config/mcore/mcore.c: Likewise.
21485         * config/mep/mep-pragma.c: Likewise.
21486         * config/mep/mep.c: Likewise.
21487         * config/mmix/mmix.c: Likewise.
21488         * config/mn10300/mn10300.c: Likewise.
21489         * config/moxie/moxie.c: Likewise.
21490         * config/pa/pa.c: Likewise.
21491         * config/pdp11/pdp11.c: Likewise.
21492         * config/picochip/picochip.c: Likewise.
21493         * config/rs6000/rs6000-c.c: Likewise.
21494         * config/rs6000/rs6000.c: Likewise.
21495         * config/rx/rx.c: Likewise.
21496         * config/s390/s390.c: Likewise.
21497         * config/score/score.c: Likewise.
21498         * config/score/score3.c: Likewise.
21499         * config/score/score7.c: Likewise.
21500         * config/sh/sh.c: Likewise.
21501         * config/sh/symbian-base.c: Likewise.
21502         * config/sh/symbian-c.c: Likewise.
21503         * config/sh/symbian-cxx.c: Likewise.
21504         * config/sol2-c.c: Likewise.
21505         * config/sol2.c: Likewise.
21506         * config/sparc/sparc.c: Likewise.
21507         * config/spu/spu.c: Likewise.
21508         * config/stormy16/stormy16.c: Likewise.
21509         * config/v850/v850-c.c: Likewise.
21510         * config/v850/v850.c: Likewise.
21511         * config/vax/vax.c: Likewise.
21512         * config/vxworks.c: Likewise.
21513         * config/xtensa/xtensa.c: Likewise.
21514         * convert.c: Likewise.
21515         * cse.c: Likewise.
21516         * cselib.c: Likewise.
21517         * dbgcnt.c: Likewise.
21518         * dbxout.c: Likewise.
21519         * ddg.c: Likewise.
21520         * dominance.c: Likewise.
21521         * emit-rtl.c: Likewise.
21522         * explow.c: Likewise.
21523         * expmed.c: Likewise.
21524         * fixed-value.c: Likewise.
21525         * fold-const.c: Likewise.
21526         * fwprop.c: Likewise.
21527         * gcse.c: Likewise.
21528         * ggc-common.c: Likewise.
21529         * ggc-page.c: Likewise.
21530         * ggc-zone.c: Likewise.
21531         * gimple-low.c: Likewise.
21532         * gimplify.c: Likewise.
21533         * graph.c: Likewise.
21534         * haifa-sched.c: Likewise.
21535         * ifcvt.c: Likewise.
21536         * implicit-zee.c: Likewise.
21537         * integrate.c: Likewise.
21538         * ira-build.c: Likewise.
21539         * ira-color.c: Likewise.
21540         * ira-conflicts.c: Likewise.
21541         * ira-costs.c: Likewise.
21542         * ira-lives.c: Likewise.
21543         * ira.c: Likewise.
21544         * lists.c: Likewise.
21545         * loop-doloop.c: Likewise.
21546         * loop-iv.c: Likewise.
21547         * lto-opts.c: Likewise.
21548         * lto-symtab.c: Likewise.
21549         * main.c: Likewise.
21550         * modulo-sched.c: Likewise.
21551         * optabs.c: Likewise.
21552         * params.c: Likewise.
21553         * plugin.c: Likewise.
21554         * postreload-gcse.c: Likewise.
21555         * postreload.c: Likewise.
21556         * predict.c: Likewise.
21557         * profile.c: Likewise.
21558         * real.c: Likewise.
21559         * regcprop.c: Likewise.
21560         * reginfo.c: Likewise.
21561         * regmove.c: Likewise.
21562         * reorg.c: Likewise.
21563         * resource.c: Likewise.
21564         * rtl.c: Likewise.
21565         * rtlanal.c: Likewise.
21566         * sched-deps.c: Likewise.
21567         * sched-ebb.c: Likewise.
21568         * sched-rgn.c: Likewise.
21569         * sdbout.c: Likewise.
21570         * sel-sched-dump.c: Likewise.
21571         * sel-sched-ir.c: Likewise.
21572         * simplify-rtx.c: Likewise.
21573         * stmt.c: Likewise.
21574         * stor-layout.c: Likewise.
21575         * store-motion.c: Likewise.
21576         * targhooks.c: Likewise.
21577         * tree-cfg.c: Likewise.
21578         * tree-cfgcleanup.c: Likewise.
21579         * tree-dump.c: Likewise.
21580         * tree-eh.c: Likewise.
21581         * tree-inline.c: Likewise.
21582         * tree-nomudflap.c: Likewise.
21583         * tree-object-size.c: Likewise.
21584         * tree-optimize.c: Likewise.
21585         * tree-outof-ssa.c: Likewise.
21586         * tree-phinodes.c: Likewise.
21587         * tree-profile.c: Likewise.
21588         * tree-ssa-ccp.c: Likewise.
21589         * tree-ssa-coalesce.c: Likewise.
21590         * tree-ssa-live.c: Likewise.
21591         * tree-ssa-loop-niter.c: Likewise.
21592         * tree-ssa-loop-prefetch.c: Likewise.
21593         * tree-ssa-loop.c: Likewise.
21594         * tree-ssa-structalias.c: Likewise.
21595         * tree-ssa-uninit.c: Likewise.
21596         * tree-ssa.c: Likewise.
21597         * tree-vect-data-refs.c: Likewise.
21598         * tree-vect-loop-manip.c: Likewise.
21599         * tree-vect-loop.c: Likewise.
21600         * tree-vect-patterns.c: Likewise.
21601         * tree-vect-stmts.c: Likewise.
21602         * tree-vrp.c: Likewise.
21603         * varasm.c: Likewise.
21604         * vec.c: Likewise.
21605         * web.c: Likewise.
21606         * xcoffout.c: Likewise.
21607
21608 2010-07-07  Richard Sandiford  <rdsandiford@googlemail.com>
21609
21610         * gengtype.c (write_field_root): New function.
21611         (write_root): Use it.
21612
21613 2010-07-07  Wei Guozhi  <carrot@google.com>
21614
21615         * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
21616         of lowest bits to lshift/compare): Add a missing line.
21617
21618 2010-07-07  Wei Guozhi  <carrot@google.com>
21619
21620         * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
21621         of lowest bits to lshift/compare): New.
21622
21623 2010-07-07  Tom Tromey  <tromey@redhat.com>
21624
21625         * doc/tm.texi: Update.
21626         * doc/tm.texi.in (SDB and DWARF) <TARGET_WANT_DEBUG_PUB_SECTIONS>:
21627         Add @hook.
21628         * target.def (want_debug_pub_sections): New hook.
21629         * config/darwin.h (TARGET_WANT_DEBUG_PUB_SECTIONS): Define.
21630         * dwarf2out.c (add_pubname_string): Check
21631         targetm.want_debug_pub_sections.
21632         (add_pubname): Likewise.
21633         (add_pubtype): Likewise.
21634
21635 2010-07-07  Jie Zhang  <jie@codesourcery.com>
21636
21637         * genautomata.c (output_automata_list_min_issue_delay_code):
21638         Correctly decompress min_issue_delay.
21639
21640 2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
21641
21642         PR rtl-optimization/44404
21643         * auto-inc-dec.c (find_inc): Avoid calling count_occurrences if
21644         possible, use reg_overlap_mentioned_p instead.
21645
21646 2010-07-07  Duncan Sands  <baldrick@free.fr>
21647
21648         PR middle-end/41355
21649         * tree.c (build_function_type_skip_args): Copy the original type using
21650         build_distinct_type_copy rather than copy_node.
21651
21652 2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>
21653
21654         PR target/44850
21655         * config/i386/i386.c (ix86_function_ms_hook_prologue): Revert
21656         revision 161876.
21657         (ix86_expand_prologue): Likewise.
21658         (ix86_handle_fndecl_attribute): Likewise.
21659         (ix86_asm_declare_function_name): Likewise.
21660         * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21661         * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21662         (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): Likewise.
21663         * config/i386/i386-protos.h (ix86_asm_declare_function_name): Likewise.
21664         * doc/extend.texi: Likewise.
21665
21666 2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>
21667
21668         PR target/44844
21669         * config/i386/i386.md (rdrand<mode>): Changed to expand to
21670         retry if the carry flag isn't valid.
21671         (rdrand<mode>_1): New.
21672
21673 2010-07-07  Richard Guenther  <rguenther@suse.de>
21674
21675         PR middle-end/44790
21676         * expr.c (expand_expr_real_1): Go the POINTER_PLUS_EXPR path
21677         for expanding the constant offset for MEM_REFs.
21678
21679 2010-07-07  Richard Guenther  <rguenther@suse.de>
21680
21681         * tree-ssa-propagate.h (valid_gimple_call_p): Remove.
21682         * tree-ssa-propagate.c (valid_gimple_call_p): Make static.  Fix.
21683         * gimple.h (is_gimple_operand): Remove.
21684         * gimple.c (is_gimple_operand): Likewise.
21685         (walk_gimple_op): Fix wi->val_only setting for calls.
21686         * tree-cfg.c (verify_gimple_call): Fix argument validation.
21687         * tree-profile.c (tree_gen_ic_func_profiler): Do not create
21688         invalid gimple calls.
21689
21690 2010-07-06  Jan Hubicka  <jh@suse.cz>
21691
21692         * lto-cgraph.c (output_cgraph): Add missing declaration.
21693
21694 2010-07-06  Jan Hubicka  <jh@suse.cz>
21695
21696         * lto-cgraph.c (output_cgraph): Output toplevel asms only into first
21697         partition.
21698
21699 2010-07-06  Alexandre Oliva  <aoliva@redhat.com>
21700
21701         * doc/gimple.texi (GIMPLE_DEBUG): Document.
21702         * doc/rtl.texi (Debug Information): New node.
21703         (NOTE_INSN_VAR_LOCATION): Document.
21704         (debug_insn): Likewise.
21705         * doc/generic.texi (DEBUG_EXPR_DECL): Document.
21706
21707 2010-07-07  Jan Hubicka  <jh@suse.cz>
21708
21709         With parts by Richard Guenther.
21710
21711         PR middle-end/44813
21712         * tree-ssa-uninit.c (ssa_undefined_value_p): Result decl is defined
21713         for functions passed by reference.
21714         * tree.c (needs_to_live_in_memory): RESULT_DECL don't need to live
21715         in memory when passed by reference.
21716         * tree-ssa-ccp.c (get_default_value): Only VAR_DECL is undefined at
21717         beggining.
21718         * ipa-split.c (split_function): Cleanup way return value is passed;
21719         handle SSA DECL_BY_REFERENCE retvals.
21720         * tree-ssa.c (verify_def): Verify that RESULT_DECL is read only when
21721         DECL_BY_REFERENCE is set.
21722         * tree-ssa-structalias.c (get_constraint_for_ssa_var, get_fi_for_callee,
21723         find_what_p_points_to): Handle RESULT_DECL.
21724         * tree-inline.c (declare_return_variable): Get new entry_block argument;
21725         when passing by reference ensure that RESULT_DECL is gimple_val.
21726         (remap_gimple_op_r): Remap RESULT_DECL ssa name.
21727         (remap_gimple_stmt): Handle SSA DECL_BY_REFERENCE returns.
21728
21729 2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>
21730
21731         PR rtl-optimization/44787
21732         * config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
21733         * config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.
21734
21735 2010-07-06  Jan Hubicka  <jh@suse.cz>
21736
21737         * lto-symtab.c (lto_cgraph_replace_node): Handle aliases.
21738         (lto_symtab_resolve_can_prevail_p): Also alias of cgraph node
21739         with body can prevail.
21740         (lto_symtab_resolve_symbols): Use cgraph_get_node_or_alias.
21741         (lto_symtab_merge_cgraph_nodes_1): Do not remove nodes from aliases.
21742         * cgraph.c (cgraph_get_node_or_alias): New function.
21743         * cgraph.h (cgraph_get_node_or_alias): Declare.
21744
21745 2010-07-06  Kai Tietz  <kai.tietz@onevision.com>
21746
21747         * config/i386/i386.c (ix86_function_ms_hook_prologue): Enable x64
21748         support.
21749         (ix86_expand_prologue): Likewise.
21750         (ix86_handle_fndecl_attribute): Likewise.
21751         (ix86_asm_declare_function_name): New function for
21752         ASM_DECLARE_FUNCTION_NAME.
21753         * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): New macro.
21754         * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Removed.
21755         (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): New macro.
21756         * config/i386/i386-protos.h (ix86_asm_declare_function_name): New.
21757         * doc/extend.texi: Adjust documentation about ms_hook_prologue
21758         attribute.
21759
21760 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
21761
21762         * config/i386/i386.md (immediate_operand): New mode attribute.
21763
21764         (pro_epilogue_adjust_stack_<mode>_1): Macroize insn from
21765         pro_epilogue_adjust_stack  and pro_epilogue_adjust_stack_rex64
21766         using P mode iterator.
21767         (pro_epilogue_adjust_stack_di_2): Rename from
21768         pro_epilogue_adjust_stack_rex64_2.
21769
21770         * config/i386/i386.c (pro_epilogue_adjust_stack): Update for rename.
21771
21772 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
21773
21774         * config/i386/i386.md (insv): Call gen_movdi_insv1 or gen_movsi_insv1
21775         through gen_mov_insv_1 function pointer.
21776         (fmod<mode>3): Call gen_truncxf<mode>2_i387_noop_unspec or
21777         gen_truncxf<mode>2 through gen_truncxf function pointer.
21778         (remainder<mode>3): Ditto.
21779         (cmpstrnsi): Rename cmp_insn function pointer to gen_cmp.
21780         (allocate_stack): Call gen_allocate_stack_worker_64 or
21781         gen_allocate_stack_worker_32 through gen_allocate_stack_worker
21782         function pointer.
21783         (probe_stack): Call gen_iordi3 or gen_iorsi3 through gen_ior3
21784         function pointer.
21785
21786 2010-07-06  Uros Bizjak  <ubizjak@gmail.com>
21787
21788         * config/i386/i386.md (*add<mode>3_cconly_overflow): Use <g>
21789         operand constraint instead of <r><i>m.
21790
21791 2010-07-06  Richard Guenther  <rguenther@suse.de>
21792
21793         PR middle-end/44828
21794         * convert.c (convert_to_integer): Watch out for overflowing
21795         MULT_EXPR as well.
21796
21797 2010-07-05  Jan Hubicka  <jh@suse.cz>
21798
21799         * lto-streamer.c (write_symbol_vec): Rename to ...
21800         (write_symbol) ... this one; write only symbol given and when
21801         present in cache. Sanity check that what is defined is present
21802         in cgraph/varpool with body/finalized decl.
21803         (write_symbols_of_kind): Remove.
21804         (produce_symtab): Take outputblock and sets; use cgraph/varpool/alias
21805         pairs to produce symtab.
21806         (produce_asm_for_decls): Update call of produce_symtab; don't do so
21807         when doing WPA streaming.
21808
21809 2010-07-05  Jan Hubicka  <jh@suse.cz>
21810
21811         * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Check that
21812         function is still available to fold into.
21813
21814 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
21815
21816         * vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.
21817         * function.h (struct_function): Change type of local_decls field
21818         to a VEC.
21819         (add_local_decl): New function.
21820         (FOR_EACH_LOCAL_DECL): New macro.
21821         * cfgexpand.c (init_vars_expansion): Adjust for new type of
21822         cfun->local_decls.
21823         (estimated_stack_frame_size): Likewise.
21824         (expand_used_vars): Likewise.
21825         * cgraphbuild.c (build_cgraph_edges): Likewise.
21826         * function.c (instantiate_decls_1): Likewise.
21827         * ipa-struct-reorg.c (build_data_structure): Likewise.
21828         * ipa-type-escape.c (analyze_function): Likewise.
21829         * lto-streamer-in.c (input_function): Likewise.
21830         * lto-streamer-out.c (output_function): Likewise.
21831         * tree-ssa-live.c (remove_unused_locals): Likewise.
21832         * tree.c (free_lang_data_in_decl): Likewise.
21833         (find_decls_types_in_node): Likewise.
21834         * omp-low.c (remove_exit_barrier): Likewise.
21835         (expand_omp_taskreg): Likewise.
21836         (list2chain): Rename to...
21837         (vec2chain): ...this.  Adjust.
21838         * cgraphunit.c (assemble_thunk): Call add_local_decl.
21839         * tree-cfg.c (replace_by_duplicate_decl): Likewise.
21840         * gimple-low.c (record_vars_into): Likewise.
21841         * tree-inline.c (remap_decls): Likewise.
21842         (declare_return_variable): Likewise.
21843         (declare_inline_vars): Likewise.
21844         (copy_forbidden): Adjust for new type of cfun->local_decls.
21845         (add_local_variables): New function.
21846         (expand_call_inline): Call it.
21847         (tree_function_versioning): Likewise.
21848
21849 2010-07-05  H.J. Lu  <hongjiu.lu@intel.com>
21850
21851         AVX Programming Reference (June, 2010)
21852         * config/i386/cpuid.h (bit_F16C): New.
21853         (bit_RDRND): Likewise.
21854         (bit_FSGSBASE): Likewise.
21855
21856         * config/i386/i386-builtin-types.def: Add
21857         "DEF_FUNCTION_TYPE (UINT16)", function types for
21858         float16 <-> float conversions and
21859         "DEF_FUNCTION_TYPE (VOID, UINT64)".
21860
21861         * config/i386/i386-c.c (ix86_target_macros_internal): Support
21862         OPTION_MASK_ISA_FSGSBASE, OPTION_MASK_ISA_RDRND and
21863         OPTION_MASK_ISA_F16C.
21864
21865         * config/i386/i386.c (OPTION_MASK_ISA_FSGSBASE_SET): New.
21866         (OPTION_MASK_ISA_RDRND_SET): Likewise.
21867         (OPTION_MASK_ISA_F16C_SET): Likewise.
21868         (OPTION_MASK_ISA_FSGSBASE_UNSET): Likewise.
21869         (OPTION_MASK_ISA_RDRND_UNSET): Likewise.
21870         (OPTION_MASK_ISA_F16C_UNSET): Likewise.
21871         (OPTION_MASK_ISA_AVX_UNSET): Add OPTION_MASK_ISA_F16C_UNSET.
21872         (ix86_handle_option): Handle OPT_mfsgsbase, OPT_mrdrnd and OPT_mf16c.
21873         (ix86_target_string): Support -mfsgsbase, -mrdrnd and -mf16c.
21874         (pta_flags): Add PTA_FSGSBASE, PTA_RDRND and PTA_F16C.
21875         (override_options): Handle them.
21876         (ix86_valid_target_attribute_inner_p): Handle fsgsbase, rdrnd and f16c.
21877         (ix86_builtins): Add IX86_BUILTIN_RDFSBASE32,
21878         IX86_BUILTIN_RDFSBASE64, IX86_BUILTIN_RDGSBASE32,
21879         IX86_BUILTIN_RDGSBASE64, IX86_BUILTIN_WRFSBASE32,
21880         IX86_BUILTIN_WRFSBASE64, IX86_BUILTIN_WRGSBASE32,
21881         IX86_BUILTIN_WRGSBASE64, IX86_BUILTIN_RDRAND16,
21882         IX86_BUILTIN_RDRAND32, IX86_BUILTIN_RDRAND64,
21883         IX86_BUILTIN_CVTPH2PS, IX86_BUILTIN_CVTPH2PS256,
21884         IX86_BUILTIN_CVTPS2PH and IX86_BUILTIN_CVTPS2PH256.
21885         (bdesc_args): Likewise.
21886         (ix86_expand_args_builtin): Handle V8SF_FTYPE_V8HI,
21887         V4SF_FTYPE_V8HI, V8HI_FTYPE_V8SF_INT and V8HI_FTYPE_V4SF_INT.
21888         (ix86_expand_special_args_builtin): Handle VOID_FTYPE_UINT64,
21889         VOID_FTYPE_UNSIGNED, UNSIGNED_FTYPE_VOID and UINT16_FTYPE_VOID.
21890         Handle non-memory store.
21891
21892         * config/i386/i386.h (TARGET_FSGSBASE): New.
21893         (TARGET_RDRND): Likewise.
21894         (TARGET_F12C): Likewise.
21895
21896         * config/i386/i386.md (UNSPEC_VCVTPH2PS): New.
21897         (UNSPEC_VCVTPS2PH): Likewise.
21898         (UNSPECV_RDFSBASE): Likewise.
21899         (UNSPECV_RDGSBASE): Likewise.
21900         (UNSPECV_WRFSBASE): Likewise.
21901         (UNSPECV_WRGSBASE): Likewise.
21902         (UNSPECV_RDRAND): Likewise.
21903         (rdfsbase<mode>): Likewise.
21904         (rdgsbase<mode>): Likewise.
21905         (wrfsbase<mode>): Likewise.
21906         (wrgsbase<mode>): Likewise.
21907         (rdrand<mode>): Likewise.
21908
21909         * config/i386/i386.opt: Add -mfsgsbase, -mrdrnd and -mf16c.
21910
21911         * config/i386/immintrin.h (_rdrand_u16): New.
21912         (_rdrand_u32): Likewise.
21913         (_readfsbase_u32): Likewise.
21914         (_readfsbase_u64): Likewise.
21915         (_readgsbase_u32): Likewise.
21916         (_readgsbase_u64): Likewise.
21917         (_writefsbase_u32): Likewise.
21918         (_writefsbase_u64): Likewise.
21919         (_writegsbase_u32): Likewise.
21920         (_writegsbase_u64): Likewise.
21921         (_rdrand_u64): Likewise.
21922         (_cvtsh_ss): Likewise.
21923         (_mm_cvtph_ps): Likewise.
21924         (_mm256_cvtph_ps): Likewise.
21925         (_cvtss_sh): Likewise.
21926         (_mm_cvtps_ph): Likewise.
21927         (_mm256_cvtps_ph): Likewise.
21928
21929         * config/i386/sse.md (vcvtph2ps): New.
21930         (*vcvtph2ps_load): Likewise.
21931         (vcvtph2ps256): Likewise.
21932         (vcvtps2ph): Likewise.
21933         (*vcvtps2ph): Likewise.
21934         (*vcvtps2ph_store): Likewise.
21935         (vcvtps2ph256): Likewise.
21936
21937         * doc/extend.texi: Document FSGSBASE and RDRND built-in functions.
21938
21939         * doc/invoke.texi: Document -mfsgsbase, -mrdrnd and -mf16c.
21940
21941 2010-07-05  Joern Rennecke  <joern.rennecke@embecosm.com>
21942
21943         PR bootstrap/44512
21944         * genenums.c (main): Output include of insn-constants.h
21945         * Makefile.in (insn-enums.o): Depend on insn-constants.h.
21946
21947 2010-07-05  Uros Bizjak  <ubizjak@gmail.com>
21948
21949         * config/i386/i386.c (ix86_gen_allocate_stack_worker): New.
21950         (override_options): Initialize it.
21951         (ix86_expand_prologue): Use it.
21952
21953 2010-07-05  Jakub Jelinek  <jakub@redhat.com>
21954
21955         * tree-nrv.c (tree_nrv): Set DECL_VALUE_EXPR on found to result.
21956
21957 2010-07-05  Anatoly Sokolov  <aesok@post.ru>
21958
21959         * double-int.h (fit_double_type): Remove declaration.
21960         * double-int.c (fit_double_type): Remove function.
21961         * tree.h (int_fits_type_p): Adjust prototype.
21962         * tree.c (int_fits_type_p): Return bool. Use double_int_fits_to_tree_p
21963         instead of fit_double_type.
21964         (build_int_cst_type): Use double_int_to_tree and shwi_to_double_int
21965         instead of fit_double_type and build_int_cst_wide.
21966         * builtins.c (): Use double_int_fits_to_tree_p and double_int_to_tree
21967         instead of fit_double_type and build_int_cst_wide.
21968         (fold_builtin_object_size): Use double_int_fits_to_tree_p instead
21969         of fit_double_type.
21970
21971 2010-07-05  Jan Hubicka  <jh@suse.cz>
21972
21973         * cgraph.h (cgraph_node, cgraph_varpool_node): Update docmentation of
21974         in_other_partition.
21975         * lto-cgraph.c (referenced_from_other_partition_p,
21976         reachable_from_other_partition_p): Use in_other_partition flags.
21977         (output_node, output_varpool_node): COMDAT nodes always have private
21978         copies and thus are never used from other partition.
21979
21980 2010-07-05  Anatoly Sokolov  <aesok@post.ru>
21981
21982         * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
21983         * config/ia64/t-ia64 (ia64.o): Depend on reload.h.
21984         * config/ia64/ia64.c Include reload.h.
21985         (ia64_memory_move_cost): New function.
21986         (TARGET_MEMORY_MOVE_COST): Define.
21987         (ia64_register_move_cost): Replace MEMORY_MOVE_COST with
21988         memory_move_cost.
21989
21990 2010-07-05  Sandra Loosemore  <sandra@codesourcery.com>
21991
21992         PR middle-end/42505
21993         * tree-ssa-loop-ivopts.c (determine_set_costs): Delete obsolete
21994         comments about cost model.
21995         (try_add_cand_for):  Add second strategy for choosing initial set
21996         based on original IVs, controlled by ORIGINALP argument.
21997         (get_initial_solution): Add ORIGINALP argument.
21998         (find_optimal_iv_set_1): New function, split from find_optimal_iv_set.
21999         (find_optimal_iv_set): Try two different strategies for choosing
22000         the IV set, and return the one with lower cost.
22001
22002 2010-07-05  Richard Guenther  <rguenther@suse.de>
22003
22004         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Copy alias info.
22005
22006 2010-07-05  Richard Guenther  <rguenther@suse.de>
22007
22008         * tree.c (reference_alias_ptr_type): New function.
22009         * tree.h (reference_alias_ptr_type): Declare.
22010         * tree-ssa-loop-ivopts.c (copy_ref_info): Restructure to
22011         allow non-TARGET_MEM_REF new refs.
22012         (rewrite_use_address): Pass old alias pointer type to create_mem_ref.
22013         * tree-ssa-address.c (create_mem_ref_raw): Get alias pointer type.
22014         Build a MEM_REF instead of a TARGET_MEM_REF if possible.
22015         (create_mem_ref): Get alias pointer type.  Adjust calls to
22016         create_mem_ref_raw.
22017         (maybe_fold_tmr): Likewise.
22018         * tree-flow.h (create_mem_ref): Adjust prototype.
22019
22020 2010-07-05  Jakub Jelinek  <jakub@redhat.com>
22021
22022         PR c++/44808
22023         * gimplify.c (gimplify_modify_expr): Only SET_DECL_DEBUG_EXPR if
22024         *from_p is VAR_DECL.
22025
22026 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
22027
22028         * tree.h (build_call_list): Remove.
22029         * tree.c (build_call_list): Remove.
22030
22031 2010-07-05  Richard Guenther  <rguenther@suse.de>
22032
22033         * double-int.h (double_int_sub): Declare.
22034         * double-int.c (double_int_sub): New function.
22035         * dwarf2out.c (field_byte_offset): Use it.
22036         * fixed-value.c (do_fixed_add): Likewise.
22037         (do_fixed_multiply): Likewise.
22038         (do_fixed_divide): Likewise.
22039         * tree-predcom.c (add_ref_to_chain): Likewise.
22040         (determine_roots_comp): Likewise.
22041         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Likewise.
22042
22043 2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>
22044
22045         * vec.h (VEC_splice, VEC_safe_splice): New macros.  Add function
22046         implementations.
22047
22048 2010-07-05  Bernd Schmidt  <bernds@codesourcery.com>
22049
22050         * config/arm/arm.c (get_arm_condition_code): Remove CC_NOTBmode case.
22051         * arm-modes.def (CC_NOTB): Don't define.
22052         * config/arm/arm.md (arm_adddi3): Generate canonical RTL.
22053         (adddi_sesidi_di, adddi_zesidi_di): Likewise.
22054         (LTUGEU): New code_iterator.
22055         (cnb, optab): New corresponding code_attrs.
22056         (addsi3_carryin_<optab>): Renamed from addsi3_carryin.  Change pattern
22057         to canonical form.  Operands 1 and 2 are commutative.  Parametrize
22058         using LTUGEU.
22059         (addsi3_carryin_shift_<optab>): Likewise.
22060         (addsi3_carryin_alt2_<optab>): Renamed from addsi3_carryin_alt2.
22061         Operands 1 and 2 are commutative.  Parametrize using LTUGEU.
22062         (addsi3_carryin_alt1, addsi3_carryin_alt3): Remove.
22063         (subsi3_compare): Renamed from subsi3_compare0_c.
22064         Change CC_NOTB to CC.
22065         (arm_subsi3_insn): Allow constants for operand 0.
22066         (compare_scc peephole for eq case): New.
22067         (compare_scc splitters): Change CC_NOTB to CC.
22068
22069 2010-07-05  Richard Guenther  <rguenther@suse.de>
22070
22071         * tree-ssa-loop-im.c (for_each_index): Do not handle
22072         ALIGN_INDIRECT_REF.
22073         (gen_lsm_tmp_name): Likewise.
22074         * tree-dump.c (dequeue_and_dump): Likewise.
22075         * tree-pretty-print.c (dump_generic_node): Likewise.
22076         (op_code_prio): Likewise.
22077         (op_symbol_code): Likewise.
22078         * tree.c (staticp): Likewise.
22079         (build1_stat): Likewise.
22080         * tree.h (INDIRECT_REF_P): Likewise.
22081         * fold-const.c (maybe_lvalue_p): Likewise.
22082         (operand_equal_p): Likewise.
22083         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
22084         (ao_ref_init_from_vn_reference): Likewise.
22085         * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
22086         (find_interesting_uses_address): Likewise.
22087         * dwarf2out.c (loc_list_from_tree): Likewise.
22088         * gimplify.c (gimplify_expr): Likewise.
22089         * tree-eh.c (tree_could_trap_p): Likewise.
22090         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
22091         * cfgexpand.c (expand_debug_expr): Likewise.
22092         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
22093         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
22094         * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
22095         * config/rs6000/rs6000 (rs6000_check_sdmode): Likewise.
22096         * tree-ssa-operands.c (get_expr_operands): Likewise.
22097         * expr.c (safe_from_p): Likewise.
22098         (expand_expr_real_1): Likewise.  TER BIT_AND_EXPRs into MEM_REFs.
22099         * tree-vect-data-refs.c (vect_setup_realignment): Build
22100         BIT_AND_EXPR and MEM_REF instead of ALIGN_INDIRECT_REF.
22101         * tree-vect-stmts.c (vectorizable_load): Likewise.
22102         * tree.def (ALIGN_INDIRECT_REF): Remove.
22103
22104 2010-07-05  Richard Guenther  <rguenther@suse.de>
22105
22106         PR tree-optimization/44784
22107         * tree-ssa-pre.c (bitmap_find_leader): Fix dominance check
22108         for inserted stmts.
22109         (find_or_generate_expression): Fix SCCVN insertion check.
22110
22111 2010-07-05  Nathan Sidwell  <nathan@codesourcery.com>
22112
22113         * config/rs6000/e500crtsavg64gprctr.asm: Correct done label name.
22114         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
22115         * config/rs6000/e500crtres64gprctr.asm: Likewise. Add FUNC_END
22116         directives.
22117
22118 2010-07-05  Ira Rosen  <irar@il.ibm.com>
22119
22120         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Skip
22121         statements that are not vectorized.
22122         * tree-vect-stmts.c (vect_get_load_cost): Update the value stored
22123         in INSIDE_COST.
22124
22125 2010-07-05  Mikael Pettersson  <mikpe@it.uu.se>
22126
22127         PR bootstrap/44820
22128         * config/arm/arm.c (arm_attr_length_move_neon): Delete regno.
22129
22130 2010-07-05  Richard Guenther  <rguenther@suse.de>
22131
22132         * tree-cfg.c (verify_gimple_return): Handle DECL_BY_REFERENCE
22133         RESULT_DECLs properly.
22134
22135 2010-07-04  H.J. Lu  <hongjiu.lu@intel.com>
22136
22137         PR rtl-optimization/44695
22138         * config/i386/i386.md (extract_code): Removed.
22139         (<u>divmodqi4): Likewise.
22140         (divmodqi4): New.
22141         (udivmodqi4): Likewise.
22142         (divmodhiqi3): Change div/mod to HImode and extend operand 2 to HImode.
22143         (udivmodhiqi3): Likewise.
22144
22145 2010-07-04  Jan Hubicka  <jh@suse.cz>
22146
22147         * lto-cgraph.c (input_edge): Do not care about resolution decisions.
22148
22149 2010-07-04  Jan Hubicka  <jh@suse.cz>
22150
22151         * cgraphunit.c (init_cgraph): Only initialize dump file if it
22152         is not already initialized.
22153
22154 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
22155
22156         * optabs.h (reload_in_optab, reload_out_optab, code_to_optab)
22157         (vcond_gen_code, vcondu_gen_code, movmem_optab, setmem_optab)
22158         (cmpstr_optab, cmpstrn_optab, cmpmem_optab, sync_add_optab)
22159         (sync_sub_optab, sync_ior_optab, sync_and_optab, sync_xor_optab)
22160         (sync_nand_optab, sync_old_add_optab, sync_old_sub_optab)
22161         (sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab)
22162         (sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab)
22163         (sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab)
22164         (sync_new_nand_optab): Redefine as macros.
22165         (sync_compare_and_swap, sync_lock_test_and_set, sync_lock_release):
22166         Delete.
22167         (direct_optab_index): New enum.
22168         (direct_optab_d): New structure.
22169         (direct_optab): New typedef.
22170         (direct_optab_table): Declare.
22171         (direct_optab_handler, set_direct_optab_handler): New functions.
22172         (sync_compare_and_swap_optab, sync_lock_test_and_set_optab)
22173         (sync_lock_release_optab): New macros.
22174         * optabs.c (direct_optab_table): New variable.
22175         (movcc_gen_code, vcond_gen_code, vcondu_gen_code): Delete.
22176         (prepare_cmp_insn): Use direct_optab_handler for cmpmem_optab,
22177         cmpstr_optab and cmpstrn_optab.
22178         (emit_conditional_move): Likewise for movcc_optab.
22179         (can_conditionally_move_p): Likewise for movcc_gen_code.
22180         (init_insn_codes): Clear direct_optab_table.
22181         (init_optabs): Don't initialize the new "direct optabs" here.
22182         (get_vcond_icode): Use direct_optab_handler for vcondu_gen_code and
22183         vcond_gen_code.
22184         (expand_val_compare_and_swap): Likewise sync_compare_and_swap_optab.
22185         (expand_bool_compare_and_swap): Likewise sync_compare_and_swap_optab.
22186         (expand_compare_and_swap_loop): Likewise sync_compare_and_swap_optab.
22187         (expand_sync_operation): Likewise other sync_*_optabs.
22188         (expand_sync_fetch_operation): Likewise.  Rename sync_compare_and_swap
22189         to sync_compare_and_swap_optab.
22190         (expand_sync_lock_test_and_set): Use direct_optab_handler for
22191         sync_lock_test_and_set and sync_compare_and_swap, adding "_optab"
22192         to the names of both.
22193         * builtins.c (expand_builtin_strcmp): Use direct_optab_handler for
22194         cmpstr_optab and cmpstrn_optab.
22195         (expand_builtin_lock_release): Likewise sync_lock_release.
22196         * expr.c (movmem_optab, setmem_optab, cmpstr_optab, cmpstrn_optab)
22197         (cmpmem_optab, sync_add_optab, sync_sub_optab, sync_ior_optab)
22198         (sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab)
22199         (sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab)
22200         (sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab)
22201         (sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab)
22202         (sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap)
22203         (sync_lock_test_and_set, sync_lock_release): Delete.
22204         (emit_block_move_via_movmem): Use direct_optab_handler for movmem_optab.
22205         (emit_block_move_via_setmem): Use direct_optab_handler for setmem_optab.
22206         * genopinit.c (optabs): Use set_direct_optab_handler for the new
22207         macro optabs.
22208         * omp-low.c (expand_omp_atomic_fetch_op): Update the type of
22209         the "optab" local variable.  Use direct_optab_handler for optab and
22210         sync_compare_and_swap_optab.
22211         * reload1.c (reload_in_optab, reload_out_optab): Delete.
22212         * targhooks.c (default_secondary_reload): Use direct_optab_handler for
22213         reload_in_optab and reload_out_optab.
22214         * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
22215         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
22216         * config/pa/pa.c (pa_secondary_reload): Likewise.
22217         * java/builtins.c (compareAndSwapInt_builtin): Use direct_optab_handler
22218         for sync_compare_and_swap, renaming it to sync_compare_and_swap_optab.
22219         (compareAndSwapLong_builtin, compareAndSwapObject_builtin): Likewise.
22220         (VMSupportsCS8_builtin): Likewise.
22221
22222 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
22223
22224         * optabs.h (optab_handlers): Change type of insn_code to int.
22225         (optab_handler, set_optab_handler, convert_optab_handler)
22226         (set_convert_optab_handler): Treat the insn_code field as "insn_code -
22227         CODE_FOR_nothing".
22228         * optabs.c (optab_table, convert_optab_table): Always zero-initialize.
22229         (init_insn_codes): Zero both the above arrays.
22230         (init_optabs): Never call init_insn_codes first time around.
22231
22232 2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>
22233
22234         * optabs.h (optab_handler, convert_optab_handler): Turn into
22235         inline functions that return an insn code.
22236         (set_optab_handler, set_convert_optab_handler): New functions.
22237         * builtins.c: Replace optab_handler(X)->insn_code with
22238         optab_handler or set_optab_handler thoughout.  Likewise
22239         convert_optab_handler(X)->insn_code with convert_optab_handler
22240         and set_convert_optab_handler.
22241         * expmed.c, expr.c, genopinit.c, ifcvt.c, optabs.c, reload.c,
22242         reload1.c, stmt.c, targhooks.c, tree-ssa-loop-prefetch.c,
22243         tree-ssa-math-opts.c, tree-vect-data-refs.c, tree-vect-generic.c,
22244         tree-vect-loop.c, tree-vect-patterns.c, tree-vect-slp.c,
22245         tree-vect-stmts.c, config/m32c/m32c.c, config/rs6000/rs6000.c,
22246         config/spu/spu.c: Likewise.
22247
22248 2010-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
22249
22250         PR target/44531
22251         * config.gcc (sh*-*-*): Use regular expressions instead of
22252         the 'i' modifier for sed substitutions.
22253
22254 2010-07-04  Jeremie Salvucci  <jeremie.salvucci@free.fr>
22255
22256         * gimple.c (gimple_body): Comments added.
22257
22258 2010-07-04  Richard Guenther  <rguenther@suse.de>
22259
22260         PR middle-end/44809
22261         * gimplify.c (gimplify_expr): Properly build a MEM_REF instead
22262         of an INDIRECT_REF.
22263
22264 2010-07-04  Richard Guenther  <rguenther@suse.de>
22265
22266         PR tree-optimization/44479
22267         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
22268         extra SSA name copy statements which preserves points-to
22269         information.
22270         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
22271         Copy points-to information for all pointers.  Properly handle
22272         MEM_REFs.
22273         (vect_create_data_ref_ptr): Likewise.  Avoid extra SSA name
22274         copy statements.
22275         * Makefile.in (tree-ssa-loop-ivopts.o): Add tree-ssa-propagate.h
22276         dependency.
22277
22278 2010-07-04  Richard Guenther  <rguenther@suse.de>
22279
22280         PR middle-end/44785
22281         * tree-inline.c (initialize_inlined_parameters): Do not
22282         re-use pointer-map slot over remap_type call.
22283
22284 2010-07-04  Richard Guenther  <rguenther@suse.de>
22285
22286         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix last commit.
22287
22288 2010-07-04  Richard Guenther  <rguenther@suse.de>
22289
22290         PR tree-optimization/44656
22291         * tree-ssa-sccvn.c (vn_reference_lookup_3): Try disambiguation
22292         again after value-replacing in the defintions lhs.
22293
22294 2010-07-04  Ira Rosen  <irar@il.ibm.com>
22295             Revital Eres  <eres@il.ibm.com>
22296
22297         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST):
22298         Document new arguments.
22299         * doc/tm.texi: Regenerate.
22300         * targhooks.c (default_builtin_vectorization_cost): Add new arguments.
22301         Handle unaligned store.
22302         * targhooks.h (default_builtin_vectorization_cost): Add new arguments.
22303         * target.def (builtin_vectorization_cost): Add new arguments.
22304         * target.h (enum vect_cost_for_stmt): Add unaligned_store.
22305         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Take number
22306         of iterations of prolog loop directly from LOOP_PEELING_FOR_ALIGNMENT.
22307         (vect_vfa_segment_size): Fix indentation.
22308         * tree-vectorizer.h (struct _vect_peel_info): New.
22309         (struct _vect_peel_extended_info): New.
22310         (struct _loop_vec_info): Add new field for peeling hash table and a
22311         macro for its access.
22312         (VECT_MAX_COST): Define.
22313         (vect_get_load_cost): Declare.
22314         (vect_get_store_cost, vect_get_known_peeling_cost,
22315         vect_get_single_scalar_iteraion_cost): Likewise.
22316         (vect_supportable_dr_alignment): Add new argument.
22317         * tree-vect-loop.c (new_loop_vec_info): Initialize peeling hash table
22318         field.
22319         (destroy_loop_vec_info): Free peeling hash table.
22320         (vect_analyze_loop_form): Update call to builtin_vectorization_cost.
22321         (vect_analyze_loop): Move vect_enhance_data_refs_alignment before
22322         vect_analyze_slp. Fix indentation.
22323         (vect_get_single_scalar_iteraion_cost): New function.
22324         (vect_get_known_peeling_cost): Likewise.
22325         (vect_estimate_min_profitable_iters): Rename byte_misalign to npeel.
22326         Call vect_get_single_scalar_iteraion_cost instead of cost_for_stmt per
22327         statement. Move outside cost calculation inside unknown peeling case.
22328         Call vect_get_known_peeling_cost for known amount of peeling.
22329         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Add data
22330         reference to the print message of forced alignment.
22331         (vect_verify_datarefs_alignment): Update call to
22332         vect_supportable_dr_alignment.
22333         (vect_get_data_access_cost): New function.
22334         (vect_peeling_hash, vect_peeling_hash_eq, vect_peeling_hash_insert,
22335         vect_peeling_hash_get_most_frequent, vect_peeling_hash_get_lowest_cost,
22336         vect_peeling_hash_choose_best_peeling): Likewise.
22337         (vect_enhance_data_refs_alignment): Fix documentation. Use hash table
22338         to store all the accesses in the loop and find best possible access to
22339         align using peeling for known alignment case. For unknown alignment
22340         check if stores are preferred or if peeling is worthy.
22341         (vect_find_same_alignment_drs): Analyze pairs of loads too.
22342         (vect_supportable_dr_alignment): Add new argument and check aligned
22343         accesses according to it.
22344         * tree-vect-stmts.c (vect_get_stmt_cost): New function.
22345         (cost_for_stmt): Call vect_get_stmt_cost.
22346         (vect_model_simple_cost): Likewise.
22347         (vect_model_store_cost): Call vect_get_stmt_cost. Call
22348         vect_get_store_cost to calculate the cost of the statement.
22349         (vect_get_store_cost): New function.
22350         (vect_model_load_cost): Call vect_get_stmt_cost. Call
22351         vect_get_load_cost to calculate the cost of the statement.
22352         (vect_get_load_cost): New function.
22353         (vectorizable_store): Update call to vect_supportable_dr_alignment.
22354         (vectorizable_load): Likewise.
22355         * config/spu/spu.c (spu_builtin_vectorization_cost): Add new arguments.
22356         * config/i386/i386.c (ix86_builtin_vectorization_cost): Add new
22357         arguments. Handle unaligned store.
22358         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): New.
22359         (rs6000_builtin_support_vector_misalignment): Return true for word and
22360         double word alignments for VSX.
22361         * tree-vect-slp.c (vect_build_slp_tree): Update calls to
22362         vect_supportable_dr_alignment and builtin_vectorization_cost.
22363
22364 2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22365
22366         PR target/44597
22367         * config/pa/predicates.md (prefetch_cc_operand): Remove.
22368         (prefetch_nocc_operand): Likewise.
22369         * config/pa/pa.md (prefetch): Revise expander to use prefetch_20.
22370         (prefetch_20): New insn.
22371         (prefetch_cc): Remove.
22372         (prefetch_nocc): Likewise.
22373
22374 2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
22375
22376         * expr.c (vector_mode_valid_p): Move to c-common.c.
22377         * expr.h (vector_mode_valid_p): Do not declare here.
22378         * system.h: Poison GCC_EXPR_H in front-ends.
22379         * Makefile.in: Update dependencies.
22380
22381 2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22382
22383         PR target/44705
22384         * config/pa/pa.h (GO_IF_LEGITIMATE_ADDRESS): Reject LABEL_REF.
22385
22386 2010-07-03  Jan Hubicka  <jh@suse.cz>
22387
22388         * timevar.def (TV_OUT_OF_SSA, TV_VAR_EXPAND, TV_POST_EXPAND,
22389         TV_VAR_TRACKING_DATAFLOW, TV_VAR_TRACKING_EMIT): New timevars.
22390         * cfgexpand.c (gimple_expand_cfg): Use new timevars.
22391         * var-tracking.c (vt_find_locations, variable_tracking_main_1):
22392         Likewise.
22393
22394         * lto-stramer-out.c (pass_ipa_lto_gimple_out, pass_ipa_lto_finish_out):
22395         Update timevars.V
22396         * timevar.def (TV_IPA_LTO_GIMPLE_IO, TV_IPA_LTO_DECL_IO): Remove.
22397         (TV_IPA_LTO_GIMPLE_IN, TV_IPA_LTO_GIMPLE_OUT, TV_IPA_LTO_DECL_IN,
22398         TV_IPA_LTO_DECL_OUT): New.
22399         * lto.c (read_cgraph_and_symbols, materialize_cgraph): Update timevars.
22400
22401 2010-07-03  Jan Hubicka  <jh@suse.cz>
22402
22403         * ipa-inline.c (update_edge_key): Break out from ...
22404         update_callers_keys): ... here;
22405         (update_callee_keys): Update only the edges from caller to callee.
22406         (update_all_calle_keys): Do what update_calle_keys did.
22407         (decide_inlining_of_small_functions): Avoid recomputing of all
22408         callees when badness increase.
22409
22410 2010-07-03  Jie Zhang  <jie@codesourcery.com>
22411
22412         * config/arm/arm.c (arm_attr_length_move_neon): New.
22413         * config/arm/arm-protos.h (arm_attr_length_move_neon): Declare.
22414         * config/arm/neon.md (define_mode_attr V_slen): Remove.
22415         (neon_mov<mode> for VSTRUCT): Use arm_attr_length_move_neon
22416         to compute length attribute.
22417
22418 2010-07-03  Jie Zhang  <jie@codesourcery.com>
22419
22420         * config/arm/vfp.md (*push_multi_vfp): Use vfp_register_operand
22421         as predicate for operand 1 and remove its constraint.
22422         * config/arm/predicates.md (vfp_register_operand): New.
22423         * config/arm/arm.md (*push_multi): Remove the constraint of operand 1.
22424         (*push_fp_multi): Likewise.
22425
22426 2010-07-03  Eric Botcazou  <ebotcazou@adacore.com>
22427
22428         * gimplify.c (mostly_copy_tree_r): Deal with BIND_EXPR.
22429
22430 2010-07-03  Jan Hubicka  <jh@suse.cz>
22431
22432         * config/i386/i386.c (override_options): Revert accidental commit.
22433
22434 2010-07-02  Le-Chun Wu  <lcwu@google.com>
22435
22436         PR c++/44128
22437         * doc/invoke.texi: Update documentation of -Wshadow.
22438
22439 2010-07-02  Daniel Jacobowitz  <dan@codesourcery.com>
22440             Julian Brown  <julian@codesourcery.com>
22441             Sandra Loosemore  <sandra@codesourcery.com>
22442
22443         * config/arm/arm.c (arm_canonicalize_comparison): Canonicalize DImode
22444         comparisons.  Adjust to take both operands.
22445         (arm_select_cc_mode): Handle DImode comparisons.
22446         (arm_gen_compare_reg): Generate a scratch register for DImode
22447         comparisons which require one.  Use xor for Thumb equality checks.
22448         (arm_const_double_by_immediates): New.
22449         (arm_print_operand): Allow 'Q' and 'R' for constants.
22450         (get_arm_condition_code): Handle new CC_CZmode and CC_NCVmode.
22451         * config/arm/arm.h (CANONICALIZE_COMPARISON): Always use
22452         arm_canonicalize_comparison.
22453         * config/arm/arm-modes.def: Add CC_CZmode and CC_NCVmode.
22454         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
22455         prototype.
22456         (arm_const_double_by_immediates): Declare.
22457         * config/arm/constraints.md (Di): New constraint.
22458         * config/arm/predicates.md (arm_immediate_di_operand)
22459         (arm_di_operand, cmpdi_operand): New.
22460         * config/arm/arm.md (cbranchdi4): Handle non-Cirrus also.
22461         (*arm_cmpdi_insn, *arm_cmpdi_unsigned)
22462         (*arm_cmpdi_zero, *thumb_cmpdi_zero): New insns.
22463         (cstoredi4): Handle non-Cirrus also.
22464
22465 2010-07-02  Julian Brown  <julian@codesourcery.com>
22466             Sandra Loosemore  <sandra@codesourcery.com>
22467
22468         PR target/43703
22469         * config/arm/vec-common.md (add<mode>3, sub<mode>3, smin<mode>3)
22470         (smax<mode>3): Disable for NEON float modes when
22471         flag_unsafe_math_optimizations is false.
22472         * config/arm/neon.md (*add<mode>3_neon, *sub<mode>3_neon)
22473         (*mul<mode>3_neon)
22474         (mul<mode>3add<mode>_neon, mul<mode>3neg<mode>add<mode>_neon)
22475         (reduc_splus_<mode>, reduc_smin_<mode>, reduc_smax_<mode>): Disable
22476         for NEON float modes when flag_unsafe_math_optimizations is false.
22477         (quad_halves_<code>v4sf): Only enable if
22478         flag_unsafe_math_optimizations is true.
22479         * doc/invoke.texi (ARM Options): Add note about floating point
22480         vectorization requiring -funsafe-math-optimizations.
22481
22482 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
22483             Julian Brown  <julian@codesourcery.com>
22484
22485         * config/arm/neon.md (UNSPEC_VABA): Delete.
22486         (UNSPEC_VABAL): Delete.
22487         (UNSPEC_VABS): Delete.
22488         (UNSPEC_VMUL_N): Delete.
22489         (adddi3_neon): New.
22490         (subdi3_neon): New.
22491         (mul<mode>3add<mode>_neon): Make the pattern named.
22492         (mul<mode>3neg<mode>add<mode>_neon): Likewise.
22493         (neon_vadd<mode>): Replace with define_expand, and move the remaining
22494         unspec parts...
22495         (neon_vadd<mode>_unspec): ...to this.
22496         (neon_vmla<mode>, neon_vmla<mode>_unspec): Likewise.
22497         (neon_vlms<mode>, neon_vmls<mode>_unspec): Likewise.
22498         (neon_vsub<mode>, neon_vsub<mode>_unspec): Likewise.
22499         (neon_vaba<mode>): Rewrite in terms of vabd.
22500         (neon_vabal<mode>): Rewrite in terms of vabdl.
22501         (neon_vabs<mode>): Rewrite without unspec.
22502         * config/arm/arm.md (*arm_adddi3): Disable for TARGET_NEON.
22503         (*arm_subdi3): Likewise.
22504         * config/arm/neon.ml (Vadd, Vsub): Split out 64-bit variants and add
22505         No_op attribute to disable assembly output checks.
22506         * config/arm/arm_neon.h: Regenerated.
22507         * doc/arm-neon-intrinsics.texi: Regenerated.
22508
22509 2010-07-02  Jan Hubicka  <jh@suse.cz>
22510
22511         * ipa-split.c (split_function): For aggregate values, set the return
22512         slot optimization bit.  When passing DECL_BY_REFERENCE, produce
22513         *<retval> = fncall.part ().
22514         (execute_split_functions): Do not care about DECL_BY_REFERENCE.
22515
22516 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
22517
22518         * config/arm/neon.md (UNSPEC_VAND): Delete.
22519         (UNSPEC_VBIC): Delete.
22520         (UNSPEC_VCLZ): Delete.
22521         (UNSPEC_VCNT): Delete.
22522         (UNSPEC_VEOR): Delete.
22523         (UNSPEC_VORN): Delete.
22524         (UNSPEC_VORR): Delete.
22525         (iordi3_neon): Rewrite RTL without unspec.  Add alternatives to handle
22526         core registers too.
22527         (anddi3_neon): Likewise.
22528         (orndi3_neon): Likewise.
22529         (bicdi3_neon): Likewise.
22530         (xordi3_neon): Likewise.
22531         (neon_vclz<mode>): Rewrite as define_expand and clz<mode>2 to get
22532         rid of unspec and handle unused operand.
22533         (neon_vcnt<mode>): Similarly, with popcount<mode>2.
22534         * config/arm/predicates.md (imm_for_neon_logic_operand):
22535         Require TARGET_NEON.
22536         (imm_for_neon_inv_logic_operand): Likewise.
22537         * config/arm/arm.md (define_split for logical_binary_operator):
22538         Disable for NEON registers.
22539         (anddi3): Add new define_expand, and rename the insn.  Disable
22540         this insn for NEON, where anddi3_neon now applies.
22541         (*anddi_notdi_di): Disable for TARGET_NEON, where bicdi3_neon applies.
22542         (iordi3): As for anddi3.
22543         (xordi3): Likewise.
22544         * config/arm/neon.ml (Vand): Split DImode variants and mark them
22545         as No_op to disable testing for exact instruction match.
22546         (Vorr): Likewise.
22547         (Veor): Likewise.
22548         (Vbic): Likewise.
22549         (Vorn): Likewise.
22550         * config/arm/arm_neon.h: Regenerated.
22551         * doc/arm-neon-intrinsics.texi: Regenerated.
22552
22553 2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>
22554
22555         * expr.h (emit_stack_probe): Declare.
22556         * explow.c (emit_stack_probe): Make global.
22557         (anti_adjust_stack_and_probe): Fix comments.
22558         * config/sparc/linux.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
22559         * config/sparc/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
22560         * config/sparc/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
22561         * config/sparc/sparc.c: Include except.h.
22562         (sparc_emit_probe_stack_range): New function.
22563         (output_probe_stack_range): Likewise.
22564         (sparc_expand_prologue): Invoke sparc_emit_probe_stack_range if static
22565         built-in stack checking is enabled.
22566         * config/sparc/sparc-protos.h (output_probe_stack_range): Declare.
22567         * config/sparc/sparc.md (UNSPECV_PROBE_STACK_RANGE): New constant.
22568         (probe_stack_range): New insn.
22569
22570 2010-07-02  Richard Guenther  <rguenther@suse.de>
22571
22572         PR target/43958
22573         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Use pointer arithmetic
22574         for argument alignment.
22575
22576 2010-07-02  Jan Hubicka  <jh@suse.cz>
22577
22578         * ipa-split.c (verify_non_ssa_vars): Break out from ...; perform DFS
22579         walk backwards from entry_bb to check only those basic block of header
22580         that might lead to execution of split part.
22581         (consider_split) ... here.
22582         (find_return_bb): Allow assignment in return BB.
22583         (find_retval): New.
22584         (split_function): Fix name of cloned function; take care of updating
22585         return value in return_bb containing move.
22586
22587 2010-07-02  Andreas Schwab  <schwab@linux-m68k.org>
22588
22589         PR target/44771
22590         * config/m68k/m68k.c (m68k_expand_prologue): Remove set but not
22591         used variable insn.
22592
22593 2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>
22594
22595         * implicit-zee.c (combine_reaching_defs): Fix long lines.
22596         (is_set_with_extension_DI): Delete.
22597         (struct zero_extend_info): New structure.
22598         (add_removable_zero_extend): New function.
22599         (find_removable_zero_extends): Use note_stores to find SETs.
22600         (find_and_remove_ze): Fix long line, remove superfluous parentheses.
22601
22602 2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>
22603
22604         * tree-ssa-loop-prefetch.c (compute_miss_rate): Rename to
22605         is_miss_rate_acceptable. Pull total_positions computation
22606         out of the loops.  Early return if miss_positions exceeds
22607         the acceptable threshold.
22608         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Call
22609         is_miss_rate_acceptable after renaming of compute_miss_rate.
22610
22611 2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>
22612
22613         PR middle-end/44576
22614         * tree-ssa-loop-prefetch.c (compute_miss_rate): Return 1000 (out
22615         of 1000) for miss rate if the address diference is greater than or
22616         equal to the cache line size (the two reference will never hit the
22617         same cache line).
22618
22619 2010-07-02  Bernd Schmidt  <bernds@codesourcery.com>
22620
22621         PR target/42835
22622         * config/arm/arm-modes.def (CC_NOTB): New mode.
22623         * config/arm/arm.c (get_arm_condition_code): Handle it.
22624         * config/arm/thumb2.md (thumb2_compare_scc): Delete pattern.
22625         * config/arm/arm.md (subsi3_compare0_c): New pattern.
22626         (compare_scc): Now a define_and_split.  Add a number of extra
22627         splitters before it.
22628
22629         PR target/42172
22630         * config/arm/arm.c (thumb1_rtx_costs): Improve support for SIGN_EXTEND
22631         and ZERO_EXTEND.
22632         (arm_rtx_costs_1): Likewise.
22633         (arm_size_rtx_costs): Use arm_rtx_costs_1 for these codes.
22634         * config/arm/arm.md (is_arch6): New attribute.
22635         (zero_extendhisi2, zero_extendqisi2, extendhisi2,
22636         extendqisi2): Tighten the code somewhat, avoiding invalid
22637         RTL to occur in the expander patterns.
22638         (thumb1_zero_extendhisi2): Merge with thumb1_zero_extendhisi2_v6.
22639         (thumb1_zero_extendhisi2_v6): Delete.
22640         (thumb1_extendhisi2): Merge with thumb1_extendhisi2_v6.
22641         (thumb1_extendhisi2_v6): Delete.
22642         (thumb1_extendqisi2): Merge with thumb1_extendhisi2_v6.
22643         (thumb1_extendqisi2_v6): Delete.
22644         (zero_extendhisi2 for register input splitter): New.
22645         (zero_extendqisi2 for register input splitter): New.
22646         (thumb1_extendhisi2 for register input splitter): New.
22647         (extendhisi2 for register input splitter): New.
22648         (extendqisi2 for register input splitter): New.
22649         (TARGET_THUMB1 extendqisi2 for memory input splitter): New.
22650         (arm_zero_extendhisi2): Allow nonimmediate_operand for operand 1,
22651         and add support for a register alternative requiring a split.
22652         (thumb1_zero_extendqisi2): Likewise.
22653         (arm_zero_extendqisi2): Likewise.
22654         (arm_extendhisi2): Likewise.
22655         (arm_extendqisi2): Likewise.
22656
22657 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
22658
22659         * config/arm/arm.c (neon_vdup_constant): Expand into canonical RTL
22660         instead of an unspec.
22661         (neon_expand_vector_init): Likewise.
22662         * config/arm/neon.md (UNSPEC_VCOMBINE): Delete.
22663         (UNSPEC_VDUP_LANE): Delete.
22664         (UNSPEC VDUP_N): Delete.
22665         (UNSPEC_VGET_HIGH): Delete.
22666         (UNSPEC_VGET_LANE): Delete.
22667         (UNSPEC_VGET_LOW): Delete.
22668         (UNSPEC_VMVN): Delete.
22669         (UNSPEC_VSET_LANE): Delete.
22670         (V_double_vector_mode): New.
22671         (vec_set<mode>_internal): Make code emitted match that for the
22672         corresponding intrinsics.
22673         (vec_setv2di_internal): Likewise.
22674         (neon_vget_lanedi): Rewrite to expand into emit_move_insn.
22675         (neon_vget_lanev2di): Rewrite to expand into vec_extractv2di.
22676         (neon_vset_lane<mode>): Combine double and quad patterns and
22677         expand into vec_set<mode>_internal instead of UNSPEC_VSET_LANE.
22678         (neon_vset_lanedi): Rewrite to expand into emit_move_insn.
22679         (neon_vdup_n<mode>): Rewrite RTL without unspec.
22680         (neon_vdup_ndi): Rewrite as define_expand and use emit_move_insn.
22681         (neon_vdup_nv2di): Rewrite RTL without unspec and merge with
22682         with neon_vdup_lanev2di, adjusting the pattern from the latter
22683         to be predicable for consistency.
22684         (neon_vdup_lane<mode>_internal): New.
22685         (neon_vdup_lane<mode>): Turn into a define_expand and rewrite
22686         to avoid using an unspec.
22687         (neon_vdup_lanedi): Rewrite RTL pattern to avoid unspec.
22688         (neon_vdup_lanev2di): Turn into a define_expand.
22689         (neon_vcombine): Rewrite pattern to eliminate UNPSEC_VCOMBINE.
22690         (neon_vget_high<mode>): Replace with....
22691         (neon_vget_highv16qi): New pattern using canonical RTL.
22692         (neon_vget_highv8hi): Likewise.
22693         (neon_vget_highv4si): Likewise.
22694         (neon_vget_highv4sf): Likewise.
22695         (neon_vget_highv2di): Likewise.
22696         (neon_vget_low<mode>): Replace with....
22697         (neon_vget_lowv16qi): New pattern using canonical RTL.
22698         (neon_vget_lowv8hi): Likewise.
22699         (neon_vget_lowv4si): Likewise.
22700         (neon_vget_lowv4sf): Likewise.
22701         (neon_vget_lowv2di): Likewise.
22702
22703         * config/arm/neon.ml (Vget_lane): Add No_op attribute to suppress
22704         test for this emitting vmov.
22705         (Vset_lane): Likewise.
22706         (Vdup_n): Likewise.
22707         (Vmov_n): Likewise.
22708
22709         * doc/arm-neon-intrinsics.texi: Regenerated.
22710
22711 2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
22712
22713         * config/arm/neon.md (vec_extractv2di): Correct error in register
22714         numbering to reconcile with neon_vget_lanev2di.
22715
22716 2010-07-02  Richard Guenther  <rguenther@suse.de>
22717
22718         * tree-ssa-structalias.c (pt_solution_set_var): New function.
22719         * tree-ssa-alias.h (pt_solution_set_var): Declare.
22720         * tree-ssa-loop-ivopts.c (copy_ref_info): Also copy or create
22721         points-to information.
22722
22723 2010-07-02  Christian Borntraeger  <borntraeger@de.ibm.com>
22724
22725         * config/s390/s390.c (override_options): Adopt prefetching
22726         at -O3 to handle flag_prefetch_loop_arrays as a tristate.
22727
22728 2010-07-02  Jan Hubicka  <jh@suse.cz>
22729
22730         * df-problems.c (df_kill_notes): Do not collect dead  notes.
22731         (df_set_note): Just call add_reg_note.
22732         (df_set_unused_notes_for_mw, df_set_dead_notes_for_mw,
22733         df_create_unused_note): Do not deal with lists of old notes.
22734         (df_note_bb_compute): Likewise.
22735
22736 2010-07-02  Richard Guenther  <rguenther@suse.de>
22737
22738         * tree-ssa-structalias.c (find_func_aliases): Handle
22739         pointer alignment via BIT_AND_EXPR.
22740         * tree-vrp.c (extract_range_from_binary_expr): Likewise.
22741
22742 2010-07-02  Richard Guenther  <rguenther@suse.de>
22743
22744         * tree-data-ref.c (initialize_data_dependence_relation): Handle
22745         mismatching number of dimensions properly.
22746
22747 2010-07-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22748
22749         PR target/44707
22750         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Recognize
22751         (lo_sum (high ...) ...) patterns generated by earlier passes.
22752
22753 2010-07-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
22754
22755         * doc/install.texi (Prerequisites): Document Perl requirement on
22756         Solaris 2.
22757         (Specific, *-*-solaris2*): Document GNU c++filt requirement.
22758
22759 2010-07-02  Richard Guenther  <rguenther@suse.de>
22760
22761         PR middle-end/44777
22762         * tree-cfg.c (gimple_block_ends_with_call_p): Handle empty BBs.
22763
22764 2010-07-02  Jan Hubicka  <jh@suse.cz>
22765
22766         PR middle-end/44706
22767         * predict.c (predict_paths_for_bb): Handle case when control dependence
22768         BB has only abnormal edges.
22769
22770 2010-07-02  Richard Guenther  <rguenther@suse.de>
22771
22772         PR tree-optimization/44748
22773         * tree-ssa-ccp.c (fold_const_aggregate_ref): Properly handle
22774         the embedded conversion in MEM_REFs.
22775
22776 2010-07-01  López-Ibáñez  <manu@gcc.gnu.org>
22777
22778         * reload.c: Include toplev.h.
22779         * recog.c:  Likewise.
22780         * Makefile.in: Adjust dependencies.
22781
22782 2010-07-01  Jakub Jelinek  <jakub@redhat.com>
22783
22784         PR debug/44694
22785         * dwarf2out.c (reg_loc_descriptor): For eliminated arg_pointer_rtx
22786         or frame_pointer_rtx use DW_OP_fbreg offset DW_OP_stack_value.
22787
22788 2010-07-01  Richard Guenther  <rguenther@suse.de>
22789
22790         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned
22791         types for offsets.
22792
22793 2010-07-01  Joern Rennecke  <joern.rennecke@embecosm.com>
22794
22795         PR target/44732
22796         * config/ia64/ia64.c (ia64_register_move_cost): Remove stray '{'.
22797         Fix argument types.
22798
22799 2010-07-01  Bernd Schmidt  <bernds@codesourcery.com>
22800
22801         PR target/44727
22802         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
22803         Make sure operand 0 dies.
22804
22805 2010-07-01  Richard Guenther  <rguenther@suse.de>
22806
22807         PR middle-end/42834
22808         PR middle-end/44468
22809         * doc/gimple.texi (is_gimple_mem_ref_addr): Document.
22810         * doc/generic.texi (References to storage): Document MEM_REF.
22811         * tree-pretty-print.c (dump_generic_node): Handle MEM_REF.
22812         (print_call_name): Likewise.
22813         * tree.c (recompute_tree_invariant_for_addr_expr): Handle MEM_REF.
22814         (build_simple_mem_ref_loc): New function.
22815         (mem_ref_offset): Likewise.
22816         * tree.h (build_simple_mem_ref_loc): Declare.
22817         (build_simple_mem_ref): Define.
22818         (mem_ref_offset): Declare.
22819         * fold-const.c: Include tree-flow.h.
22820         (operand_equal_p): Handle MEM_REF.
22821         (build_fold_addr_expr_with_type_loc): Likewise.
22822         (fold_comparison): Likewise.
22823         (fold_unary_loc): Fold
22824         VIEW_CONVERT_EXPR <T1, MEM_REF <T2, ...>> to MEM_REF <T1, ...>.
22825         (fold_binary_loc): Fold MEM[&MEM[p, CST1], CST2] to MEM[p, CST1 + CST2],
22826         fold MEM[&a.b, CST2] to MEM[&a, offsetof (a, b) + CST2].
22827         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle MEM_REF.
22828         (ptr_deref_may_alias_ref_p_1): Likewise.
22829         (ao_ref_base_alias_set): Properly differentiate base object for
22830         offset and TBAA.
22831         (ao_ref_init_from_ptr_and_size): Use MEM_REF.
22832         (indirect_ref_may_alias_decl_p): Handle MEM_REFs properly.
22833         (indirect_refs_may_alias_p): Likewise.
22834         (refs_may_alias_p_1): Likewise.  Remove pointer SSA name def
22835         chasing code.
22836         (ref_maybe_used_by_call_p_1): Handle MEM_REF.
22837         (call_may_clobber_ref_p_1): Likewise.
22838         * dwarf2out.c (loc_list_from_tree): Handle MEM_REF.
22839         * expr.c (expand_assignment): Handle MEM_REF.
22840         (store_expr): Handle MEM_REFs from STRING_CSTs.
22841         (store_field): If expanding a MEM_REF of a non-addressable
22842         decl use bitfield operations.
22843         (get_inner_reference): Handle MEM_REF.
22844         (expand_expr_addr_expr_1): Likewise.
22845         (expand_expr_real_1): Likewise.
22846         * tree-eh.c (tree_could_trap_p): Handle MEM_REF.
22847         * alias.c (ao_ref_from_mem): Handle MEM_REF.
22848         (get_alias_set): Likewise.  Properly handle VIEW_CONVERT_EXPRs.
22849         * tree-data-ref.c (dr_analyze_innermost): Handle MEM_REF.
22850         (dr_analyze_indices): Likewise.
22851         (dr_analyze_alias): Likewise.
22852         (object_address_invariant_in_loop_p): Likewise.
22853         * gimplify.c (mark_addressable): Handle MEM_REF.
22854         (gimplify_cond_expr): Build MEM_REFs.
22855         (gimplify_modify_expr_to_memcpy): Likewise.
22856         (gimplify_init_ctor_preeval_1): Handle MEM_REF.
22857         (gimple_fold_indirect_ref): Adjust.
22858         (gimplify_expr): Handle MEM_REF.  Gimplify INDIRECT_REF to MEM_REF.
22859         * tree.def (MEM_REF): New tree code.
22860         * tree-dfa.c: Include toplev.h.
22861         (get_ref_base_and_extent): Handle MEM_REF.
22862         (get_addr_base_and_unit_offset): New function.
22863         * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle MEM_REF.
22864         * gimple-fold.c (may_propagate_address_into_dereference): Handle
22865         MEM_REF.
22866         (maybe_fold_offset_to_array_ref): Allow possibly out-of bounds
22867         accesses if the array has just one dimension.  Remove always true
22868         parameter.  Do not require type compatibility here.
22869         (maybe_fold_offset_to_component_ref): Remove.
22870         (maybe_fold_stmt_indirect): Remove.
22871         (maybe_fold_reference): Remove INDIRECT_REF handling.
22872         Fold back to non-MEM_REF.
22873         (maybe_fold_offset_to_address): Simplify.  Deal with type
22874         mismatches here.
22875         (maybe_fold_reference): Likewise.
22876         (maybe_fold_stmt_addition): Likewise.  Also handle
22877         &ARRAY + I in addition to &ARRAY[0] + I.
22878         (fold_gimple_assign): Handle ADDR_EXPR of MEM_REFs.
22879         (gimple_get_relevant_ref_binfo): Handle MEM_REF.
22880         * cfgexpand.c (expand_debug_expr): Handle MEM_REF.
22881         * tree-ssa.c (useless_type_conversion_p): Make most pointer
22882         conversions useless.
22883         (warn_uninitialized_var): Handle MEM_REF.
22884         (maybe_rewrite_mem_ref_base): New function.
22885         (execute_update_addresses_taken): Implement re-writing of MEM_REFs
22886         to SSA form.
22887         * tree-inline.c (remap_gimple_op_r): Handle MEM_REF, remove
22888         INDIRECT_REF handling.
22889         (copy_tree_body_r): Handle MEM_REF.
22890         * gimple.c (is_gimple_addressable): Adjust.
22891         (is_gimple_address): Likewise.
22892         (is_gimple_invariant_address): ADDR_EXPRs of MEM_REFs with
22893         invariant base are invariant.
22894         (is_gimple_min_lval): Adjust.
22895         (is_gimple_mem_ref_addr): New function.
22896         (get_base_address): Handle MEM_REF.
22897         (count_ptr_derefs): Likewise.
22898         (get_base_loadstore): Likewise.
22899         * gimple.h (is_gimple_mem_ref_addr): Declare.
22900         (gimple_call_fndecl): Handle invariant MEM_REF addresses.
22901         * tree-cfg.c (verify_address): New function, split out from ...
22902         (verify_expr): ... here.  Use for verifying ADDR_EXPRs and
22903         the address operand of MEM_REFs.  Verify MEM_REFs.  Reject
22904         INDIRECT_REFs.
22905         (verify_types_in_gimple_min_lval): Handle MEM_REF.  Disallow
22906         INDIRECT_REF.  Allow conversions.
22907         (verify_types_in_gimple_reference): Verify VIEW_CONVERT_EXPR of
22908         a register does not change its size.
22909         (verify_types_in_gimple_reference): Verify MEM_REF.
22910         (verify_gimple_assign_single): Disallow INDIRECT_REF.
22911         Handle MEM_REF.
22912         * tree-ssa-operands.c (opf_non_addressable, opf_not_non_addressable):
22913         New.
22914         (mark_address_taken): Handle MEM_REF.
22915         (get_indirect_ref_operands): Pass through opf_not_non_addressable.
22916         (get_asm_expr_operands): Pass opf_not_non_addressable.
22917         (get_expr_operands): Handle opf_[not_]non_addressable.
22918         Handle MEM_REF.  Remove INDIRECT_REF handling.
22919         * tree-vrp.c (check_array_ref): Handle MEM_REF.
22920         (search_for_addr_array): Likewise.
22921         (check_array_bounds): Likewise.
22922         (vrp_stmt_computes_nonzero): Adjust for MEM_REF.
22923         * tree-ssa-loop-im.c (for_each_index): Handle MEM_REF.
22924         (ref_always_accessed_p): Likewise.
22925         (gen_lsm_tmp_name): Likewise.  Handle ADDR_EXPR.
22926         * tree-complex.c (extract_component): Do not handle INDIRECT_REF.
22927         Handle MEM_REF.
22928         * cgraphbuild.c (mark_load): Properly check for NULL result
22929         from get_base_address.
22930         (mark_store): Likewise.
22931         * tree-ssa-loop-niter.c (array_at_struct_end_p): Handle MEM_REF.
22932         * tree-loop-distribution.c (generate_builtin): Exchange INDIRECT_REF
22933         handling for MEM_REF.
22934         * tree-scalar-evolution.c (follow_ssa_edge_expr): Handle
22935         &MEM[ptr + CST] similar to POINTER_PLUS_EXPR.
22936         * builtins.c (stabilize_va_list_loc): Use the function ABI
22937         valist type if we couldn't canonicalize the argument type.
22938         Always dereference with the canonical va-list type.
22939         (maybe_emit_free_warning): Handle MEM_REF.
22940         (fold_builtin_memory_op): Simplify and handle MEM_REFs in folding
22941         memmove to memcpy.
22942         * builtins.c (fold_builtin_memory_op): Use ref-all types
22943         for all memcpy foldings.
22944         * omp-low.c (build_receiver_ref): Adjust for MEM_REF.
22945         (build_outer_var_ref): Likewise.
22946         (scan_omp_1_op): Likewise.
22947         (lower_rec_input_clauses): Likewise.
22948         (lower_lastprivate_clauses): Likewise.
22949         (lower_reduction_clauses): Likewise.
22950         (lower_copyprivate_clauses): Likewise.
22951         (expand_omp_atomic_pipeline): Likewise.
22952         (expand_omp_atomic_mutex): Likewise.
22953         (create_task_copyfn): Likewise.
22954         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MEM_REF.
22955         Remove old union trick.  Initialize constant offsets.
22956         (ao_ref_init_from_vn_reference): Likewise.  Do not handle
22957         INDIRECT_REF.  Init base_alias_set properly.
22958         (vn_reference_lookup_3): Replace INDIRECT_REF handling with MEM_REF.
22959         (vn_reference_fold_indirect): Adjust for MEM_REFs.
22960         (valueize_refs): Fold MEM_REFs.  Re-evaluate constant offset
22961         for ARRAY_REFs.
22962         (may_insert): Remove.
22963         (visit_reference_op_load): Do not test may_insert.
22964         (run_scc_vn): Remove parameter, do not fiddle with may_insert.
22965         * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
22966         a field to store the constant offset this op applies.
22967         (run_scc_vn): Adjust prototype.
22968         * cgraphunit.c (thunk_adjust): Adjust for MEM_REF.
22969         * tree-ssa-ccp.c (ccp_fold): Replace INDIRECT_REF folding with
22970         MEM_REF.  Propagate &foo + CST as &MEM[&foo, CST].  Do not
22971         bother about volatile qualifiers on pointers.
22972         (fold_const_aggregate_ref): Handle MEM_REF, do not handle INDIRECT_REF.
22973         * tree-ssa-loop-ivopts.c
22974         * tree-ssa-loop-ivopts.c (determine_base_object): Adjust for MEM_REF.
22975         (strip_offset_1): Likewise.
22976         (find_interesting_uses_address): Replace INDIRECT_REF handling with
22977         MEM_REF handling.
22978         (get_computation_cost_at): Likewise.
22979         * ipa-pure-const.c (check_op): Handle MEM_REF.
22980         * tree-stdarg.c (check_all_va_list_escapes): Adjust for MEM_REF.
22981         * tree-ssa-sink.c (is_hidden_global_store): Handle MEM_REF
22982         and constants.
22983         * ipa-inline.c (likely_eliminated_by_inlining_p): Handle MEM_REF.
22984         * tree-parloops.c (take_address_of): Adjust for MEM_REF.
22985         (eliminate_local_variables_1): Likewise.
22986         (create_call_for_reduction_1): Likewise.
22987         (create_loads_for_reductions): Likewise.
22988         (create_loads_and_stores_for_name): Likewise.
22989         * matrix-reorg.c (may_flatten_matrices_1): Sanitize.
22990         (ssa_accessed_in_tree): Handle MEM_REF.
22991         (ssa_accessed_in_assign_rhs): Likewise.
22992         (update_type_size): Likewise.
22993         (analyze_accesses_for_call_stmt): Likewise.
22994         (analyze_accesses_for_assign_stmt): Likewise.
22995         (transform_access_sites): Likewise.
22996         (transform_allocation_sites): Likewise.
22997         * tree-affine.c (tree_to_aff_combination): Handle MEM_REF.
22998         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
22999         not handle INDIRECT_REF.
23000         * tree-ssa-phiopt.c (add_or_mark_expr): Handle MEM_REF.
23001         (cond_store_replacement): Likewise.
23002         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
23003         MEM_REF, no not handle INDIRECT_REFs.
23004         (insert_into_preds_of_block): Properly initialize avail.
23005         (phi_translate_1): Fold MEM_REFs.  Re-evaluate constant offset
23006         for ARRAY_REFs.  Properly handle reference lookups that
23007         require a bit re-interpretation.
23008         (can_PRE_operation): Do not handle INDIRECT_REF.  Handle MEM_REF.
23009         * tree-sra.c (build_access_from_expr_1): Handle MEM_REF.
23010         (build_ref_for_offset_1): Remove.
23011         (build_ref_for_offset): Build MEM_REFs.
23012         (gate_intra_sra): Disable for now.
23013         (sra_ipa_modify_expr): Handle MEM_REF.
23014         (ipa_early_sra_gate): Disable for now.
23015         * tree-sra.c (create_access): Swap INDIRECT_REF handling for
23016         MEM_REF handling.
23017         (disqualify_base_of_expr): Likewise.
23018         (ptr_parm_has_direct_uses): Swap INDIRECT_REF handling for
23019         MEM_REF handling.
23020         (sra_ipa_modify_expr): Remove INDIRECT_REF handling.
23021         Use mem_ref_offset.  Remove bogus folding.
23022         (build_access_from_expr_1): Properly handle MEM_REF for non IPA-SRA.
23023         (make_fancy_name_1): Add support for MEM_REF.
23024         * tree-predcom.c (ref_at_iteration): Handle MEM_REFs.
23025         * tree-mudflap.c (mf_xform_derefs_1): Adjust for MEM_REF.
23026         * ipa-prop.c (compute_complex_assign_jump_func): Handle MEM_REF.
23027         (compute_complex_ancestor_jump_func): Likewise.
23028         (ipa_analyze_virtual_call_uses): Likewise.
23029         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Replace
23030         INDIRECT_REF folding with more generalized MEM_REF folding.
23031         (tree_ssa_forward_propagate_single_use_vars): Adjust accordingly.
23032         (forward_propagate_addr_into_variable_array_index): Also handle
23033         &ARRAY + I in addition to &ARRAY[0] + I.
23034         * tree-ssa-dce.c (ref_may_be_aliased): Handle MEM_REF.
23035         * tree-ssa-ter.c (find_replaceable_in_bb): Avoid TER if that
23036         creates assignments with overlap.
23037         * tree-nested.c (get_static_chain): Adjust for MEM_REF.
23038         (get_frame_field): Likewise.
23039         (get_nonlocal_debug_decl): Likewise.
23040         (convert_nonlocal_reference_op): Likewise.
23041         (struct nesting_info): Add mem_refs pointer-set.
23042         (create_nesting_tree): Allocate it.
23043         (convert_local_reference_op): Insert to be folded mem-refs.
23044         (fold_mem_refs): New function.
23045         (finalize_nesting_tree_1): Perform defered folding of mem-refs
23046         (free_nesting_tree): Free the pointer-set.
23047         * tree-vect-stmts.c (vectorizable_store): Adjust for MEM_REF.
23048         (vectorizable_load): Likewise.
23049         * tree-ssa-phiprop.c (phiprop_insert_phi): Adjust for MEM_REF.
23050         (propagate_with_phi): Likewise.
23051         * tree-object-size.c (addr_object_size): Handle MEM_REFs
23052         instead of INDIRECT_REFs.
23053         (compute_object_offset): Handle MEM_REF.
23054         (plus_stmt_object_size): Handle MEM_REF.
23055         (collect_object_sizes_for): Dispatch to plus_stmt_object_size
23056         for &MEM_REF.
23057         * tree-flow.h (get_addr_base_and_unit_offset): Declare.
23058         (symbol_marked_for_renaming): Likewise.
23059         * Makefile.in (tree-dfa.o): Add $(TOPLEV_H).
23060         (fold-const.o): Add $(TREE_FLOW_H).
23061         * tree-ssa-structalias.c (get_constraint_for_1): Handle MEM_REF.
23062         (find_func_clobbers): Likewise.
23063         * ipa-struct-reorg.c (decompose_indirect_ref_acc): Handle MEM_REF.
23064         (decompose_access): Likewise.
23065         (replace_field_acc): Likewise.
23066         (replace_field_access_stmt): Likewise.
23067         (insert_new_var_in_stmt): Likewise.
23068         (get_stmt_accesses): Likewise.
23069         (reorg_structs_drive): Disable.
23070         * config/i386/i386.c (ix86_va_start): Adjust for MEM_REF.
23071         (ix86_canonical_va_list_type): Likewise.
23072
23073 2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>
23074
23075         PR other/44566
23076         * coretypes.h [!USED_FOR_TARGET] (reg_class_t): Define.
23077         * target.def (struct gcc_target): Replace enum reg_class with
23078         reg_class_t in hook argument / return types.
23079         * doc/tm.texi.in (TARGET_SECONDARY_RELOAD): Likewise.
23080         (TARGET_IRA_COVER_CLASSES, TARGET_MEMORY_MOVE_COST): Likewise.
23081         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Likewise.
23082         * targhooks.h (default_branch_target_register_class): Likewise.
23083         (default_ira_cover_classes, default_secondary_reload): Likewise.
23084         (default_memory_move_cost, default_register_move_cost): Likewise.
23085         * targhooks.c (default_branch_target_register_class): Likewise.
23086         (default_ira_cover_classes, default_secondary_reload): Likewise.
23087         (default_memory_move_cost, default_register_move_cost): Likewise.
23088         * reload.c (push_secondary_reload, secondary_reload_class): Likewise.
23089         * bt-load.c (branch_target_load_optimize): Likewise.
23090         * ira.c (setup_cover_and_important_classes): Likewise.
23091         * ira-costs.c (copy_cost): Likewise.
23092         * reload1.c (emit_input_reload_insns): Likewise.
23093         * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
23094         * config/frv/frv.c (frv_secondary_reload): Likewise.
23095         * config/s390/s390.c (s390_secondary_reload): Likewise.
23096         * config/i386/i386.c (i386_ira_cover_classes): Likewise.
23097         (ix86_secondary_reload, ix86_memory_move_cost): Likewise.
23098         (ix86_register_move_cost): Likewise.
23099         * config/sh/sh-protos.h (sh_secondary_reload): Likewise.
23100         * config/sh/sh.c (sh_target_reg_class, sh_secondary_reload): Likewise.
23101         * config/xtensa/xtensa.c (xtensa_secondary_reload): Likewise.
23102         * config/xtensa/xtensa-protos.h (xtensa_secondary_reload): Likewise.
23103         * config/rs6000/rs6000.c (rs6000_secondary_reload): Likewise.
23104         (rs6000_ira_cover_classes): Likewise.
23105         * config/picochip/picochip.c (picochip_secondary_reload): Likewise.
23106         * config/picochip/picochip-protos.h (picochip_secondary_reload):
23107         Likewise.
23108         * config/pa/pa.c (pa_secondary_reload): Likewise.
23109         * config/mips/mips.c (mips_ira_cover_classes): Likewise.
23110         * config/bfin/bfin.c (bfin_secondary_reload): Likewise.
23111         * config/ia64/ia64.c (ia64_register_move_cost): Likewise.
23112         * doc/tm.texi: Regenerate.
23113
23114 2010-06-30  Sebastian Pop  <sebastian.pop@amd.com>
23115
23116         PR bootstrrap/44726
23117         * graphite-sese-to-poly.c (build_poly_dr): Avoid uninitialized
23118         use.
23119         (build_alias_set_optimal_p): Likewise.
23120         (build_base_obj_set_for_drs): Likewise.
23121
23122 2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>
23123
23124         * target.def: Remove comment about licensing problems of function
23125         declarations.
23126
23127         * target.def (declare_constant_name): Change exp to expr.  Use DEFHOOK.
23128         * doc/tm.texi.in (TARGET_ASM_DECLARE_CONSTANT_NAME): Use @hook.
23129         * doc/tm.texi: Regenerate.
23130
23131         * target.def (builtin_reciprocal): Change tm_fn to md_fn.  Use DEFHOOK.
23132         * doc/tm.texi.in (TARGET_BUILTIN_RECIPROCAL): Use @hook.
23133
23134         * target.def (enum_va_list_p): Use DEFHOOK.
23135         * doc/tm.texi.in (TARGET_ENUM_VA_LIST_P): Use @hook.
23136         Rename ptype to ptree.
23137         * doc/tm.texi: Regenerate.
23138
23139         * target.def (fold_builtin): Rename nargs to n_args.  Use DEFHOOK.
23140         * doc/tm.texi.in (TARGET_FOLD_BUILTIN): Use @hook.
23141         * doc/tm.texi: Regenerate.
23142
23143         * target.def (memory_move_cost): Use DEFHOOK.
23144         * doc/tm.texi.in (TARGET_MEMORY_MOVE_COST): Use @hook.
23145         Rename regclass AKA class to rclass.
23146         * doc/tm.texi: Regenerate.
23147
23148         * target.def (pragma_parse): Use DEFHOOK.
23149         * doc/tm.texi.in (TARGET_OPTION_PRAGMA_PARSE): Use @hook.
23150         s/TARGET_VALID_OPTION_ATTRIBUTE_P/TARGET_OPTION_VALID_ATRIBUTE_P/ .
23151         * doc/tm.texi: Regenerate.
23152
23153         * target.def (pass_by_reference): Use DEFHOOK.
23154         * doc/tm.texi.in (TARGET_PASS_BY_REFERENCE): Use @hook.
23155         * doc/tm.texi: Regenerate.
23156
23157         * target.def (resolve_overloaded_builtin): Rename params to arglist.
23158         Use DEFHOOK.
23159         * doc/tm.texi.in (TARGET_RESOLVE_OVERLOADED_BUILTIN): Use @hook.
23160         * doc/tm.texi: Regenerate.
23161
23162         * target.def (return_pops_args): Use DEFHOOK.
23163         * doc/tm.texi.in (TARGET_RETURN_POPS_ARGS): Use @hook.
23164         Rename stack-size to size.
23165         * doc/tm.texi: Regenerate.
23166
23167         * target.def (dfa_new_cycle): Use DEFHOOK.  Rename dump_file to dump,
23168         last-sched_cycle to last_clock, cur_cycle to clock.
23169         * doc/tm.texi.in: Use @hook.
23170         * doc/tm.texi: Regenerate.
23171
23172         * target.def (print_operand, print_operand_address): Update comment.
23173         (print_operand_punct_valid_p): Likewise.
23174
23175 2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23176
23177         * toplev.h (_fatal_insn_not_found, _fatal_insn): Move declarations
23178         to rtl.h.
23179         (error_for_asm, warning_for_asm): Move declarations to rtl-error.h.
23180         * rtl.h (_fatal_insn_not_found, _fatal_insn): Move declarations here.
23181         * rtl-error.h: New.
23182         * regrename.c: Do not include toplev.h. Include rtl-error.h.
23183         * rtl-error.c: Likewise.
23184         * reload.c: Likewise.
23185         * recog.c:  Likewise.
23186         * sel-sched.c: Likewise.
23187         * function.c: Likewise.
23188         * reg-stack.c: Likewise.
23189         * cfgrtl.c: Likewise.
23190         * reload1.c: Likewise.
23191         * final.c: Include rtl-error.
23192         * Makefile.in: Adjust dependencies.
23193
23194 2010-06-30  Jan Hubicka  <jh@suse.cz>
23195
23196         PR middle-end/PR44706
23197         * ipa-split (split_function): Refine conditions when to use DECL_RESULT
23198         to return the value.
23199
23200 2010-06-30  Michael Matz  <matz@suse.de>
23201
23202         PR bootstrap/44699
23203         * tree-vrp.c (vrp_finalize): Deal with changing num_ssa_names.
23204         * gimple-fold.c (gimplify_and_update_call_from_tree): If LHS is
23205         a gimple reg, attach the original VDEF to the last store in the
23206         sequence.
23207
23208 2010-06-30  Iain Sandoe  <iains@gcc.gnu.org>
23209
23210         PR other/44034
23211         * config/darwin.c (darwin_override_options): Use renamed
23212         targetm.asm_out.emit_unwind_label.
23213
23214 2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>
23215
23216         PR tree-optimization/39799
23217         * tree-inline.c (remap_ssa_name): Initialize variable only if
23218         SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
23219
23220 2010-06-30  Nathan Froyd  <froydnj@codesourcery.com>
23221
23222         * c-parser.c (c_parser_omp_for_loop): Use a VEC for for_block.
23223
23224 2010-06-30  Richard Guenther  <rguenther@suse.de>
23225
23226         PR target/44722
23227         * config/i386/i386.md (peephole2 for fix:SSEMODEI24): Guard
23228         against oscillation with reverse peephole2.
23229
23230 2010-06-30  H.J. Lu  <hongjiu.lu@intel.com>
23231
23232         PR target/44721
23233         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
23234         Fix last commit.
23235
23236 2010-06-30  Nick Clifton  <nickc@redhat.com>
23237
23238         * config/rx/rx-modes.def: New file.
23239         * config/rx/rx.h (FIRST_PSEUDO_REGISTER): Increase to 17.
23240         (CC_REGNUM): Define.
23241         (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add cc
23242         register.
23243         (CC_NO_CARRY, NOTICE_UPDATE_CC): Delete.
23244         (SELECT_CC_MODE): Define.
23245         * config/rx/rx.md (CC_REG): Define.  Update all patterns to use
23246         (reg:CC CC_REG) instead of (cc0).
23247         (attr "cc"): Delete.
23248         (cbranchsi4): Do not split compare and branch here. Instead move
23249         it to...
23250         (cbranchsi4_<code>): ... here.  New patterns.
23251         (cmpsi): Call rx-compare_redundant to find out if it is necessary
23252         to emit the compare instruction.
23253         * config/rx/rx.c (rx_gen-cond_branch_template): Remove tests of
23254         cc_status flags.
23255         (rx_get_stack_layout): Iterate up to before CC_REGNUM not
23256         FIRST_PSEUDO_REGNUM.
23257         (rx_expand_prologue, rx_expand_epilogue): Likewise.
23258         (rx_notice_update_cc): Delete.
23259         (rx_cc_modes_compatible): New function.
23260         (flags_needed_for_conditional): New function.
23261         (flags_from_mode): New function.
23262         (rx_compare_redundant): New function - scans backwards through
23263         insn list to find out if condition flags are already set correctly.
23264         (TARGET_CC_MODES_COMPATIBLE): Define.
23265         * config/rx/rx-protos.h (rx_compare_redundant): Prototype.
23266
23267         * config/rx/rx.h (BRANCH_COST): Define.
23268         (REGISTER_MOVE_COST): Define.
23269         * config/rx/predicates (rx_source_operand): Allow all constant types.
23270         * config/rx/rx.md (addsi3): Add alternative for swapped operands.
23271         (tstsi4): New pattern.
23272         * config/rx/rx.c (rx_memory_move_cost): Define.
23273         (TARGET_MEMORY_MOVE_COST): Define.
23274
23275 2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23276
23277         * tree.h (block_may_fallthru): Declare here.
23278         * tree-flow.h (block_may_fallthru): Do not declare here.
23279         * c-typeck.c: Do not include tree-flow.h. Include gimple.h and
23280         bitmap.h
23281         * Makefile.in (c-typeck.o): Update dependencies.
23282
23283 2010-06-30  Jakub Jelinek  <jakub@redhat.com>
23284
23285         PR debug/44694
23286         * cselib.h (cselib_preserve_cfa_base_value): Add regno argument.
23287         * cselib.c (cfa_base_preserved_regno): New static variable.
23288         (cselib_reset_table): Don't reset cfa_base_preserved_regno instead
23289         of REGNO (cfa_base_preserved_val->locs->loc).
23290         (cselib_preserve_cfa_base_value): Add regno argument, set
23291         cfa_base_preserved_regno to it.
23292         (cselib_invalidate_regno): Allow removal of registers other than
23293         cfa_base_preserved_regno from cfa_base_preserved_val.
23294         (cselib_finish): Set cfa_base_preserved_regno to INVALID_REGNUM.
23295         * var-tracking.c (adjust_mems): Replace sp or hfp even outside
23296         of MEM addresses, if not on LHS.
23297         (reverse_op): Don't add reverse ops for cfa_base_rtx.
23298         (vt_init_cfa_base): Adjust cselib_preserve_cfa_base_value caller.
23299
23300 2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>
23301
23302         * recog.c (peep2_do_rebuild_jump_labels, peep2_do_cleanup_cfg): New
23303         static variables.
23304         (peep2_buf_position): New static function.
23305         (peep2_regno_dead_p, peep2_reg_dead_p, peep2_find_free_register,
23306         peephole2_optimize): Use it.
23307         (peep2_attempt, peep2_update_life): New static functions, broken out
23308         of peephole2_optimize.
23309         (peep2_fill_buffer): New static function.
23310         (peephole2_optimize): Change the main loop to try to fill the buffer
23311         with the maximum number of insns before matching them against
23312         peepholes.  Use a forward scan.  Remove special case for targets with
23313         conditional execution.
23314         * genrecog.c (change_state): Delete dead code.
23315         * config/i386/i386.md (peephole2 for arithmetic ops with memory):
23316         Rewrite so as not to expect the second insn to have had a peephole
23317         applied yet.
23318
23319 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
23320
23321         * genhooks.c (emit_findices): Cast field precision to int.
23322         (emit_documentation): Likewise.
23323
23324 2010-06-29  Jakub Jelinek  <jakub@redhat.com>
23325
23326         PR tree-optimization/43801
23327         * cgraph.c (cgraph_create_virtual_clone): Clear DECL_SECTION_NAME
23328         if old_decl was DECL_ONE_ONLY.
23329
23330         PR debug/44668
23331         * dwarf2out.c (add_accessibility_attribute): New function.
23332         (gen_subprogram_die, gen_variable_die, gen_field_die): Use it
23333         instead of adding DW_AT_accessibility manually.
23334         (gen_enumeration_type_die, gen_struct_or_union_type_die,
23335         gen_typedef_die): Use it.
23336
23337 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
23338
23339         * vmsdbgout.c (full_name): Just output the file name if not native.
23340
23341 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
23342
23343         * vmsdbgout.c (func_table): Replace with VEC func{nam,num}_tables.
23344         (funcnam_table): New static table.
23345         (funcnum_table): New static table.
23346         (write_rtnbeg): Write value saved in funcnum_table.
23347         (write_rtnend): Write value saved in funcnum_table.
23348         (vmsdbgout_begin_function): Save current function info in
23349         (vmsdbgout_init): Initialize func{nam,num}_tables. Minor reformatting.
23350         (vmsdbgout_finish): Iterate over funcnum_table.
23351
23352 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
23353
23354         * vmsdbgout.c (vmsdbgout_begin_epilogue): Declare
23355         (vmsdbgout_type_decl): Declare
23356         (vmsdbg_debug_hooks): Add entry for type_decl and begin_epilogue.
23357         (FUNC_EPILOGUE_LABEL): New macro
23358         (vmsdbgout_begin_epilogue): New function.
23359         (vmsdbgout_type_decl): New function.
23360
23361 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
23362
23363         * vmsdbg.h: Update copyright.
23364
23365 2010-06-29  Douglas B Rupp  <rupp@gnat.com>
23366
23367         * vmsdbg.h (DST_K_TBG): New DST constant.
23368         * vmsdbgout.c (addr_const_to_string): Removed, not referenced.
23369         (write_modbeg): Cast module_language to avoid warning.
23370         (write_rtnbeg): Use DST_K_TBG vice magic mystery number.
23371
23372 2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>
23373
23374         PR other/44034
23375         * target.def, doc/tm.texi.in, genhooks.c: New files.
23376         * target.h: Instead of defining individual hook members,
23377         define DEFHOOKPOD / DEFHOOK / DEFHOOK_UNDOC / HOOKSTRUCT and
23378         include target.def.
23379         * target-def.h: Instead of defining individual hook initializers,
23380         include target-hooks-def.h.
23381         * df-scan.c, haifa-sched.c, sel-sched.c: Rename targetm members:
23382         targetm.live_on_entry -> targetm.extra_live_on_entry
23383         targetm.sched.md_finish ->targetm.sched.finish
23384         targetm.sched.md_init -> targetm.sched.init
23385         targetm.sched.md_init_global -> targetm.sched.init_global
23386         targetm.asm_out.unwind_label -> targetm.asm_out.emit_unwind_label
23387         targetm.asm_out.except_table_label ->
23388           targetm.asm_out.emit_except_table_label
23389         targetm.asm_out.visibility -> targetm.asm_out.assemble_visibility
23390         targetm.target_help -> targetm.help
23391         targetm.vectorize.builtin_support_vector_misalignment ->
23392           targetm.vectorize.support_vector_misalignment
23393         targetm.file_start_app_off -> targetm.asm_file_start_app_off
23394         targetm.file_start_file_directive ->
23395          targetm.asm_file_start_file_directive
23396         * dwarf2out.c, opts.c, tree-vect-data-refs.c, except.c: Likewise.
23397         * varasm.c, config/alpha/alpha.c, config/cris/cris.c: Likewise.
23398         * config/spu/spu.c, config/ia64/ia64.c: Rename target macros:
23399         TARGET_VECTOR_ALIGNMENT_REACHABLE ->
23400           TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE
23401         TARGET_SUPPORT_VECTOR_MISALIGNMENT ->
23402           TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT
23403         TARGET_UNWIND_EMIT -> TARGET_ASM_UNWIND_EMIT
23404         * config/rs6000/rs6000.c, config/arm/arm.c: Likewise.
23405         * Makefile.in (TARGET_H): Depend on target.def.
23406         (TARGET_DEF_H): Depend on target-hooks-def.h.
23407         (target-hooks-def.h, tm.texi, s-target-hooks-def-h): New rules.
23408         (s-tm-texi, build/genhooks.o, build/genhooks): Likewise.
23409         * doc/tm.texi: Regenerate.
23410
23411         * Makefile.in (s-tm-texi): Remove stray tab / rule.
23412
23413         * config/m68k/m68k.c (targetm.sched.init_global): Update comment.
23414         (targetm.sched.init): Likewise.
23415
23416 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
23417
23418         PR bootstrap/44713
23419         * config/i386/i386.c (type_natural_mode): Const-ify CUM parameter.
23420         (function_arg_advance_32): Const-ify TYPE parameter.
23421         (function_arg_advance_64): Likewise.  Change type of NAMED to bool.
23422         (ix86_function_arg_advance): Change type of NAMED to bool.
23423         (function_arg_32): Const-ify CUM and TYPE parameters.
23424         (function_arg_64): Likewise.  Change type of NAMED to bool.
23425         (function_arg_ms_64): Const-ify CUM parameter. Change type of NAMED
23426         to bool.
23427         (ix86_function_arg): Change type of NAMED to bool.
23428         (ix86_setup_incoming_varargs): Call ix86_function_arg_advance.  Pass
23429         last argument as a bool.
23430
23431 2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>
23432
23433         * doc/tm.texi (TARGET_OPTION_OVERRIDE): Document.
23434         (OVERRIDE_OPTIONS): Add note of obsolescence.
23435         Replace references with references to TARGET_OPTION_OVERRIDE.
23436         (Except for C_COMMON_OVERRIDE_OPTIONS, which remains similar to
23437          the macro).
23438         * targhooks.c (default_target_option_override): New function.
23439         * targhooks.h (default_target_option_override): Declare.
23440         * target.h (struct gcc_target): Add override member to
23441         target_option member.
23442         * toplev.c (process_options): Replace OVERRIDE_OPTIONS use with
23443         targetm.target_option.override call.
23444         * target-def.h (TARGET_OPTION_OVERRIDE): Define.
23445         (TARGET_OPTION_HOOKS): Add TARGET_OPTION_OVERRIDE.
23446
23447 2010-06-29  Jan Hubicka  <jh@suse.cz>
23448
23449         * tree-inline.c: Replace incomming by incomin and clonning by cloning.
23450
23451 2010-06-29  Jan Hubicka  <jh@suse.cz>
23452
23453         * predict.c (propagate_freq): Clear EXIT_BLOCK_PTR frequency if it is
23454         unreachable.
23455         (rebuild_frequencies): New function.
23456         * predict.h (rebuild_frequencies): Declare.
23457         * tree-inline.c (copy_cfg_body): Compute properly count & frequency of
23458         entry block and edge reaching new_entry.
23459         (tree_function_versioning): When doing partial cloning, rebuild
23460         frequencies when done.
23461         * passes.c (execute_function_todo): Use rebild_frequencies.
23462
23463 2010-06-29  Richard Guenther  <rguenther@suse.de>
23464
23465         * tree-dfa.c (dump_variable): Remove noalias_state dumping.
23466         * tree-flow.h (enum noalias_state): Remove.
23467         (struct var_ann_d): Remove noalias_state member.
23468
23469 2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>
23470
23471         PR target/43902
23472         * config/arm/arm.md (maddsidi4, umaddsidi4): New expanders.
23473         (maddhisi4): Renamed from mulhisi3addsi.  Operands renumbered.
23474         (maddhidi4): Likewise.
23475
23476         Revert parts of the change for PR25130.
23477         * cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
23478         MEM_ALIAS_SET.
23479
23480 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
23481
23482         * calls.c, dse.c, expr.c, function.c: Call targetm.calls.function_arg,
23483         targetm.calls.function_incoming_arg, and
23484         targetm.calls.function_arg_advance instead of FUNCTION_ARG,
23485         FUNCTION_INCOMING_ARG, and FUNCTION_ARG_ADVANCE, respectively.
23486         * target.h (struct gcc_target): Add function_arg_advance,
23487         function_arg, and function_incoming_arg fields.
23488         * target-def.h (TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG):
23489         (TARGET_FUNCTION_INCOMING_ARG): Define.
23490         (TARGET_CALLS): Add TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG,
23491         and TARGET_FUNCTION_INCOMING_ARG.
23492         * targhooks.h (default_function_arg_advance): Declare.
23493         (default_function_arg, default_function_incoming_arg): Declare.
23494         * targhooks.c (default_function_arg_advance): New function.
23495         (default_function_arg, default_function_incoming_arg): New function.
23496         * config/i386/i386.c (function_arg_advance): Rename to...
23497         (ix86_function_arg_advance): ...this.  Make static.
23498         (function_arg): Rename to...
23499         (ix86_function_arg): ...this.  Make static.
23500         (TARGET_FUNCTION_ARG_ADVANCE): Define.
23501         (TARGET_FUNCTION_ARG): Define.
23502         * config/i386/i386.h (FUNCTION_ARG_ADVANCE): Delete.
23503         (FUNCTION_ARG): Delete.
23504         * config/i386/i386-protos.h (function_arg_advance): Delete prototype.
23505         (function_arg): Delete prototype.
23506
23507 2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>
23508
23509         * reginfo.c (init_reg_sets_1): Adjust comments.
23510         * combine-stack-adj.c (rest_of_handle_stack_adjustments): Likewise.
23511         * calls.c (prepare_call_address): Likewise.
23512         (emit_call_1): Use targetm.calls.return_pops_args.
23513         (expand_call): Likewise.
23514         * function.c (assign_parms): Likewise.
23515         * system.h (RETURN_POPS_ARGS): Add to #pragma poison list.
23516         * target.h (struct gcc_target) [struct calls]: Add
23517         return_pops_args field.
23518         * targhooks.h (default_return_pops_args): Declare.
23519         * targhooks.c (default_return_pops_args): Define.
23520         * target-def.h (TARGET_RETURN_POPS_ARGS): Define.
23521         (TARGET_CALLS): Add TARGET_RETURN_POPS_ARGS.
23522         * doc/tm.texi (RETURN_POPS_ARGS): Rename to...
23523         (TARGET_RETURN_POPS_ARGS): ...this.  Use deftypefn.  Adjust
23524         documentation.
23525         * config/alpha/alpha.h (RETURN_POPS_ARGS): Delete.
23526         * config/arc/arc.h (RETURN_POPS_ARGS): Likewise.
23527         * config/arm/arm.h (RETURN_POPS_ARGS): Likewise.
23528         * config/avr/avr.h (RETURN_POPS_ARGS): Likewise.
23529         * config/bfin/bfin.h (RETURN_POPS_ARGS): Likewise.
23530         * config/cris/cris.h (RETURN_POPS_ARGS): Likewise.
23531         * config/crx/crx.h (RETURN_POPS_ARGS): Likewise.
23532         * config/fr30/fr30.h (RETURN_POPS_ARGS): Likewise.
23533         * config/frv/frv.h (RETURN_POPS_ARGS): Likewise.
23534         * config/h8300/h8300.h (RETURN_POPS_ARGS): Likewise.
23535         * config/ia64/ia64.h (RETURN_POPS_ARGS): Likewise.
23536         * config/iq2000/iq2000.h (RETURN_POPS_ARGS): Likewise.
23537         * config/lm32/lm32.h (RETURN_POPS_ARGS): Likewise.
23538         * config/m32c/m32c.h (RETURN_POPS_ARGS): Likewise.
23539         * config/m32r/m32r.h (RETURN_POPS_ARGS): Likewise.
23540         * config/m68hc11/m68hc11.h (RETURN_POPS_ARGS): Likewise.
23541         * config/mcore/mcore.h (RETURN_POPS_ARGS): Likewise.
23542         * config/mep/mep.h (RETURN_POPS_ARGS): Likewise.
23543         * config/mips/mips.h (RETURN_POPS_ARGS): Likewise.
23544         * config/mmix/mmix.h (RETURN_POPS_ARGS): Likewise.
23545         * config/mn10300/mn10300.h (RETURN_POPS_ARGS): Likewise.
23546         * config/moxie/moxie.h (RETURN_POPS_ARGS): Likewise.
23547         * config/pa/pa.h (RETURN_POPS_ARGS): Likewise.
23548         * config/pdp11/pdp11.h (RETURN_POPS_ARGS): Likewise.
23549         * config/picochip/picochip.h (RETURN_POPS_ARGS): Likewise.
23550         * config/rs6000/rs6000.h (RETURN_POPS_ARGS): Likewise.
23551         * config/rx/rx.h (RETURN_POPS_ARGS): Likewise.
23552         * config/s390/s390.h (RETURN_POPS_ARGS): Likewise.
23553         * config/score/score.h (RETURN_POPS_ARGS): Likewise.
23554         * config/sh/sh.h (RETURN_POPS_ARGS): Likewise.
23555         * config/sparc/sparc.h (RETURN_POPS_ARGS): Likewise.
23556         * config/spu/spu.h (RETURN_POPS_ARGS): Likewise.
23557         * config/stormy16/stormy16.h (RETURN_POPS_ARGS): Likewise.
23558         * config/v850/v850.h (RETURN_POPS_ARGS): Likewise.
23559         * config/xtensa/xtensa.h (RETURN_POPS_ARGS): Likewise.
23560         * config/i386/i386-protos.h (ix86_return_pops_args): Delete.
23561         * config/i386/i386.h (RETURN_POPS_ARGS): Delete.
23562         * config/i386/i386.c (ix86_return_pops_args): Make static.
23563         Constify arguments.
23564         (TARGET_RETURN_POPS_ARGS): Define.
23565         * config/m68k/m68k.h (RETURN_POPS_ARGS): Move to...
23566         * config/m68k/m68k.c (m68k_return_pops_args): ...here.  New function.
23567         (TARGET_RETURN_POPS_ARGS): Define.
23568         * config/vax/vax.h (RETURN_POPS_ARGS): Move to...
23569         * config/vax/vax.c (vax_return_pops_args): ...here.  New function.
23570         (TARGET_RETURN_POPS_ARGS): Define.
23571
23572 2010-06-29  Richard Guenther  <rguenther@suse.de>
23573
23574         PR middle-end/44667
23575         * tree-inline.c (initialize_inlined_parameters): Make sure
23576         to remap the inlined parameter variable substitutions types.
23577
23578 2010-06-29  Eric Botcazou  <ebotcazou@adacore.com>
23579
23580         PR rtl-optimization/44659
23581         * combine.c (make_compound_operation) <SUBREG>: Do not return the
23582         result of force_to_mode if it partially re-expanded the compound.
23583
23584 2010-06-28  Jan Hubicka  <jh@suse.cz>
23585
23586         PR middle-end/44671
23587         * ipa-split.c (test_nonssa_use, mark_nonssa_use): Check also uses of
23588         RESULT_DECL.
23589
23590 2010-06-28  Anatoly Sokolov  <aesok@post.ru>
23591
23592         * double-int.h (force_fit_type_double): Remove declaration.
23593         * double-int.c (force_fit_type_double): Move to tree.c.
23594         * tree.h (force_fit_type_double): Declare.
23595         * tree.h (force_fit_type_double): Moved from double-int.c. Use
23596         double_int type for 'cst' argument. Use double_int_fits_to_tree_p and
23597         double_int_to_tree instead of fit_double_type and build_int_cst_wide.
23598         * convert.c (convert_to_pointer): Adjust call to
23599         force_fit_type_double.
23600         * tree-vrp.c (extract_range_from_assert,
23601         extract_range_from_unary_expr): Adjust call to force_fit_type_double.
23602         * fold-const.c: Update comment.
23603         (int_const_binop, fold_convert_const_int_from_int,
23604         fold_convert_const_int_from_real, fold_convert_const_int_from_fixed,
23605         extract_muldiv_1, fold_div_compare, fold_sign_changed_comparison,
23606         fold_unary_loc, fold_negate_const, fold_abs_const, fold_not_const,
23607         round_up_loc): Adjust call to force_fit_type_double.
23608
23609 2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>
23610
23611         * config/rs6000/rs6000.h (PROCESSOR_TITAN): Declare.
23612
23613 2010-06-28  Martin Jambor  <mjambor@suse.cz>
23614
23615         * tree-sra.c (convert_callers): New parameter, change fndecls of
23616         recursive calls.
23617         (modify_function): Pass the old decl to convert_callers.
23618
23619 2010-06-28  Martin Jambor  <mjambor@suse.cz>
23620
23621         * ipa-cp.c (ipcp_init_cloned_node): Replace calls to
23622         ipa_check_create_node_params and ipa_initialize_node_params with
23623         checking asserts they are not necessary.
23624
23625 2010-06-28  Jan Hubicka  <jh@suse.cz>
23626
23627         PR tree-optimization/44687
23628         * ipa-split.c (split_function): Use DECL_RESULT to store return value.
23629
23630 2010-06-28  Martin Jambor  <mjambor@suse.cz>
23631
23632         PR c++/44535
23633         * gimple-fold.c (get_first_base_binfo_with_virtuals): New function.
23634         (gimple_get_relevant_ref_binfo): Use get_first_base_binfo_with_virtuals
23635         instead of BINFO_BASE_BINFO.
23636
23637 2010-06-28  Michael Matz  <matz@suse.de>
23638
23639         PR middle-end/44592
23640         * gimple-fold.c (gimplify_and_update_call_from_tree): Maintain
23641         proper VDEF chain for intermediate stores in the sequence.
23642
23643 2010-06-28  Jan Hubicka  <jh@suse.cz>
23644
23645         PR tree-optimization/44357
23646         * ipa-inline.c (add_new_edges_to_heap): Do not add edges to
23647         uninlinable functions.
23648
23649 2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>
23650
23651         * config.gcc (powerpc*-*-*): Handle titan.
23652         * config/rs6000/rs6000.c (titan_cost): New costs.
23653         (rs6000_override_options): Add "titan" to processor_target_table.
23654         Add Titan to branch alignment logic.
23655         Correctly set rs6000_cost for titan.
23656         * config/rs6000/rs6000.md (cpu): Add titan.  Include "titan.md".
23657         * config/rs6000/titan.md: New file.
23658         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=titan.
23659
23660 2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>
23661
23662         * tree-browser.c (TB_history_stack): Convert to a VEC.
23663         (TB_SET_HEAD): Adjust for new type of TB_history_stack.
23664         (TB_history_prev): Likewise.
23665
23666 2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>
23667
23668         * vec.h (vec_heap_free): Add parentheses around free.
23669
23670 2010-06-28  Steven Bosscher  <steven@gcc.gnu.org>
23671
23672         * system.h: Poison GCC_EXCEPT_H for front-end files.
23673
23674         * langhooks.h (struct lang_hooks): Add eh_protect_cleanup_actions
23675         langhook.
23676         * langhooks-def.h (LANG_HOOKS_EH_PROTECT_CLEANUP_ACTIONS) New.
23677         Define to NULL by default.
23678         * except.h: Define GCC_EXCEPT_H.
23679         (doing_eh): Remove prototype.
23680         (init_eh, init_eh_for_function): Move prototypes to toplev.h.
23681         (lang_protect_cleanup_actions): Remove.
23682         * except.c (lang_protect_cleanup_actions): Remove.
23683         (doing_eh): Remove.
23684         (gen_eh_region): Don't check doing_eh here.
23685         * toplev.h (init_eh, init_eh_for_function_): Moved from except.h.
23686         * tree-eh.c (honor_protect_cleanup_actions): Use new langhook
23687         instead of lang_protect_cleanup_actions.
23688         * omp-low.c (maybe_catch_exception): Likewise.
23689         * Makefile.in: Update dependencies.
23690
23691 2010-06-28  Bingfeng Mei  <bmei@broadcom.com>
23692
23693         * cgraph.h (struct varpool_node): new used_from_object_file flag.
23694         (struct cgraph_local_info): new used_from_object_file flag.
23695         * cgraph.c (dump_cgraph_node): dump used_from_object_file flag.
23696         (cgraph_clone_node): initialize used_from_object_file.
23697         (cgraph_create_virtual_clone): initialize used_from_object_file.
23698         * lto-symbtab.c (lto_symtab_merge_decls_1): Set
23699         used_from_object_file flags for symbols of LDPR_PREVAILING_DEF
23700         when compiling with -fwhole-program.
23701         (lto_symtab_resolve_symbols) Use LDPR_PREVAILING_DEF_IRONLY for
23702         internal resolver.
23703         * ipa.c (function_and_variable_visibility): Set externally_visible
23704         flag of varpool_node if used_from_object_file flag is set.
23705         (cgraph_externally_visible_p): check used_from_object_file flag.
23706         * doc/invoke.texi (-fwhole-program option): Change description of
23707         externally_visible attribute accordingly.
23708         * doc/extend.texi (externally_visible): Ditto.
23709
23710 2010-06-27  Jan Hubicka  <jh@suse.cz>
23711
23712         * params.def (max-inline-insns-auto): Default to 40.
23713         * doc/invoke.texi (max-inline-insns-auto): Document the change.
23714
23715 2010-06-27  Jan Hubicka  <jh@suse.cz>
23716
23717         PR middle-end/44671
23718         PR middle-end/44686
23719         * tree.c (build_function_decl_skip_args): Clear DECL_BUILT_IN on
23720         signature change.
23721         * ipa-split.c (split_function): Always clear DECL_BUILT_IN.
23722         * ipa-prop.c (ipa_modify_formal_parameters): Likewise.
23723
23724 2010-06-27  Anatoly Sokolov  <aesok@post.ru>
23725
23726         * target.h (struct gcc_target): Add register_move_cost field.
23727         * target-def.h (TARGET_REGISTER_MOVE_COST): New.
23728         (TARGET_INITIALIZER): Use TARGET_REGISTER_MOVE_COST.
23729         * targhooks.c (default_register_move_cost): New function.
23730         * targhooks.h (default_register_move_cost): Declare function.
23731         * defaults.h (REGISTER_MOVE_COST): Delete.
23732         * ira-int.h (ira_register_move_cost): Update comment.
23733         * ira.c (ira_register_move_cost): Update comment.
23734         * reload.h (register_move_cost): Declare.
23735         * reginfo.c (register_move_cost): New function.
23736         (move_cost): Update comment.
23737         (init_move_cost, memory_move_secondary_cost): Replace
23738         REGISTER_MOVE_COST with register_move_cost.
23739         * postreload.c (reload_cse_simplify_set): (Ditto.).
23740         * reload.c (find_valid_class, find_reloads): (Ditto.).
23741         * reload1.c (choose_reload_regs): (Ditto.).
23742         * doc/tm.texi (TARGET_REGISTER_MOVE_COST): New.
23743         (REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Update documentation.
23744         * doc/md.texi (can_create_pseudo_p): Update documentation.
23745
23746         * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
23747         * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
23748         * config/i386/i386.h (ix86_memory_move_cost): Make static.
23749         (TARGET_MEMORY_MOVE_COST): Define.
23750
23751         * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
23752         * config/ia64/ia64-protos.h (int ia64_memory_move_cost): Remove.
23753         * config/ia64/ia64.h (ia64_memory_move_cost): Make static.
23754         (TARGET_MEMORY_MOVE_COST): Define.
23755
23756 2010-06-27  Richard Guenther  <rguenther@suse.de>
23757
23758         PR tree-optimization/44683
23759         * tree-ssa-dom.c (record_edge_info): Record equivalences for the
23760         false edge from the inverted condition.
23761
23762 2010-06-27  Richard Guenther  <rguenther@suse.de>
23763
23764         PR middle-end/44684
23765         * tree-ssa-alias.c (refs_may_alias_p_1): Allow SSA name refs.
23766         (stmt_may_clobber_ref_p_1): Do not bother to call the oracle
23767         for register LHS.  Or non-store assignments.
23768
23769 2010-06-26  Eric Botcazou  <ebotcazou@adacore.com>
23770
23771         * config/sparc/sparc.c (sparc_emit_set_const32): Make static.
23772         (sparc_emit_set_const64): Likewise.  Remove disabled code.
23773         * config/sparc/sparc-protos.h (sparc_emit_set_const32): Delete.
23774         (sparc_emit_set_const64): Likewise.
23775
23776 2010-06-26  Catherine Moore  <clm@codesourcery.com>
23777
23778         * config/mips/mips.md (alu_type): New attribute.
23779         (type): Infer type from alu_type.
23780         (*add<mode>3, *add<mode>3_mips16, *addsi3_extended,
23781         *baddu_si_eb, *baddu_si_el, *baddu_di, sub<mode>3,
23782         *subsi3_extended, negsi2, negdi2, *low<mode>,
23783         *low<mode>_mips16, *ior<mode>3, *ior<mode>3_mips16,
23784         xor<mode>3, *nor<mode>3,
23785         *zero_extend<GPR:mode>_trunc<SHORT:mode>,
23786         *zero_extendhi_truncqi):  Set alu_type instead of type.
23787
23788 2010-06-26  Douglas B Rupp  <rupp@gnat.com>
23789
23790         * config/alpha/alpha.c (alpha_need_linkage): Adjust
23791         splay_tree_new_ggc call.
23792         (alpha_use_linkage): Likewise.
23793
23794 2010-06-26  Joseph Myers  <joseph@codesourcery.com>
23795
23796         * collect2.c (main): Remove SWITCHES_NEED_SPACES conditional.
23797         * doc/tm.texi (SWITCHES_NEED_SPACES): Don't document.
23798         * gcc.c (SWITCHES_NEED_SPACES, switches_need_spaces): Remove.
23799         (static_specs): Remove switches_need_spaces.
23800         (process_command, do_self_spec): Hardcode handling "-o" instead of
23801         checking switches_need_spaces.
23802         * system.h (SWITCHES_NEED_SPACES): Poison.
23803
23804 2010-06-26  Richard Guenther  <rguenther@suse.de>
23805
23806         PR tree-optimization/44393
23807         * tree-loop-distribution.c (generate_loops_for_partition): Fix
23808         stmt removal and VOP renaming.
23809         (generate_memset_zero): Remove redundant stmt updating.
23810         * tree-flow.h (mark_virtual_ops_in_bb): Remove.
23811         * tree-cfg.c (mark_virtual_ops_in_bb): Likewise.
23812
23813 2010-06-26  Jan Hubicka  <jh@suse.cz>
23814
23815         * ipa-split.c (consider_split): PHI in entry block is OK as long as all
23816         edges comming from header are equivalent.
23817         (visit_bb): Handle PHIs correctly.
23818         * tree-inline.c (copy_phis_for_bb): Be able to copy
23819         PHI from entry edge.
23820         (copy_cfg_body): Produce edge from entry BB before copying PHIs.
23821
23822 2010-06-26  Richard Guenther  <rguenther@suse.de>
23823
23824         PR middle-end/44674
23825         * tree-ssa-alias.c (refs_may_alias_p_1): Allow all kind of
23826         decls.  Handle LABEL_DECLs like FUNCTION_DECLs.
23827
23828 2010-06-26  Joseph Myers  <joseph@codesourcery.com>
23829
23830         * gcc.c (n_switches_alloc, n_infiles_alloc, alloc_infile,
23831         add_infile, alloc_switch): New.
23832         (process_command): Remove variable lang_n_infiles.  Process
23833         options in a single pass.  Use new functions for allocating
23834         infiles and switches arrays.  Properly skip operands of
23835         -Xpreprocessor and -Xassembler.
23836
23837 2010-06-26  Jan Hubicka  <jh@suse.cz>
23838
23839         PR middle-end/44671
23840         * cgraphunit.c (cgraph_function_versioning): Remove wrong
23841         cgraph_make_decl_local call; fix typo copying RTL data.
23842
23843 2010-06-25  DJ Delorie  <dj@redhat.com>
23844
23845         * config/m32c/m32c-protos.h (m32c_note_pragma_address): Declare.
23846         (m32c_output_aligned_common): Likewise.
23847         * config/m32c/m32c.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
23848         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
23849         * config/m32c/m32c-pragma.c (m32c_pragma_address): New.
23850         (m32c_register_pragmas): Register it.
23851         * config/m32c/m32c.c (m32c_get_pragma_address): New.
23852         (m32c_insert_attributes): Set #pragma address decls volatile.
23853         (pragma_entry_eq): New.
23854         (pragma_entry_hash): New.
23855         (m32c_note_pragma_address): New.
23856         (m32c_get_pragma_address): New.
23857         (m32c_output_aligned_common): New.
23858         * doc/extend.texi: Document the new pragma.
23859
23860         * config/m32c/m32c.c (m32c_illegal_subreg_p): Reject illegal MEMs
23861         also.
23862         * config/m32c/predicates.md (m32c_any_operand): Check the code
23863         instead of memory_operand so as to allow matching volatile MEMs.
23864         (m32c_nonimmediate_operand): Likewise.
23865         (mra_operand): Allow volatiles.
23866
23867 2010-06-25  Alexandre Oliva  <aoliva@redhat.com>
23868
23869         PR debug/44610
23870         * simplify-rtx.c (delegitimize_mem_from_attrs): Don't use a base
23871         address if the offset is unknown.
23872
23873 2010-06-25  Douglas B Rupp  <rupp@gnat.com>
23874
23875         * dwarf2out.c (dwarf2out_vms_debug_main_pointer): New function.
23876         * dwarf2out.h (dwarf2out_vms_debug_main_pointer): Declare new function.
23877         * config/ia64/ia64-protos.h (ia64_start_function): Declare.
23878         * config/ia64/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Move contents
23879         to ia64_start_function. Invoke it.
23880         * config/ia64/ia64.c (ia64_start_function): Call new function
23881         dwarf2out_vms_debug_main_pointer.
23882
23883 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
23884
23885         * tree-if-conv.c (insert_gimplified_predicates): Do not insert
23886         statements computing the true predicate.
23887
23888 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
23889
23890         * tree-if-conv.c (init_bb_predicate): Initialize the predicate
23891         to boolean_true_node.
23892         (reset_bb_predicate): New.
23893         (predicate_bbs): Call reset_bb_predicate.
23894
23895 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
23896
23897         * tree-if-conv.c (combine_blocks): Remove FIXME comment.
23898         (tree_if_conversion): Returns true when something has been changed.
23899         (main_tree_if_conversion): Return TODO_cleanup_cfg when if-conversion
23900         changed something.
23901
23902 2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>
23903
23904         * Makefile.in (tree-if-conv.o): Depends on DBGCNT_H.
23905         * dbgcnt.def (if_conversion_tree): New DEBUG_COUNTER.
23906         * tree-if-conv.c: Include dbgcnt.h.
23907         (tree_if_conversion): Use if_conversion_tree to count the number of
23908         if-convertible loops.
23909
23910 2010-06-25  Changpeng Fang  <changpeng.fang@amd.com>
23911
23912         * common.opt (fprefetch-loop-arrays): Re-define
23913         -fprefetch-loop-arrays as a tri-state option with the initial
23914         value of -1.
23915         * tree-ssa-loop.c (gate_tree_ssa_loop_prefetch): Invoke prefetch
23916         pass only when flag_prefetch_loop_arrays > 0.
23917         * toplev.c (process_options): Note that, with tri-states,
23918         flag_prefetch_loop_arrays>0 means prefetching is enabled.
23919         * config/i386/i386.c (override_options): Enable prefetching at -O3
23920         for a set of CPUs that sw prefetching is helpful.
23921         (software_prefetching_beneficial_p): New.  Return TRUE if software
23922         prefetching is beneficial for the given CPU.
23923
23924 2010-06-25  H.J. Lu  <hongjiu.lu@intel.com>
23925
23926         PR rtl-optimization/44326
23927         * implicit-zee.c (find_removable_zero_extends): Replace
23928         INSN_P with NONDEBUG_INSN_P.
23929
23930 2010-06-25  Martin Jambor  <mjambor@suse.cz>
23931
23932         * ipa-prop.h (struct ipa_param_descriptor): Removed the modified flag.
23933         (struct ipa_node_params): Removed the modification_analysis_done flag.
23934         (ipa_is_param_modified): Removed.
23935         (ipa_analyze_node): Declare.
23936         (ipa_compute_jump_functions): Remove declaration.
23937         (ipa_count_arguments): Likewise.
23938         (ipa_detect_param_modifications): Likewise.
23939         (ipa_analyze_params_uses): Likewise.
23940         * ipa-prop.c (struct param_analysis_info): New type.
23941         (visit_store_addr_for_mod_analysis): Removed.
23942         (visit_load_for_mod_analysis): Renamed to visit_ref_for_mod_analysis,
23943         moved down in the file.
23944         (ipa_detect_param_modifications): Merged into ipa_analyze_params_uses.
23945         (ipa_count_arguments): Made static.
23946         (mark_modified): New function.
23947         (is_parm_modified_before_call): New function.
23948         (compute_pass_through_member_ptrs): New parameter parms_info, call
23949         is_parm_modified_before_call instead of ipa_is_param_modified.
23950         (ipa_compute_jump_functions_for_edge): New parameter parms_info, pass
23951         it to compute_pass_through_member_ptrs.
23952         (ipa_compute_jump_functions): New parameter parms_info, pass it to
23953         ipa_compute_jump_functions_for_edge.  Call ipa_initialize_node_params
23954         on the callee if it is analyzed.  Made static.
23955         (ipa_analyze_indirect_call_uses): New parameter parms_info, call
23956         is_parm_modified_before_call instead of ipa_is_param_modified.
23957         (ipa_analyze_call_uses): New parameter parms_info, pass it to
23958         ipa_analyze_indirect_call_uses.
23959         (ipa_analyze_stmt_uses): New parameter parms_info, pass it to
23960         ipa_analyze_call_uses.
23961         (ipa_analyze_params_uses): New parameter parms_info, pass it to
23962         ipa_analyze_stmt_uses.  Also perform the used analysis.  Made static.
23963         (ipa_analyze_node): New function.
23964         (ipa_print_node_params): Do not dump the modified flag.
23965         (ipa_write_node_info): Assert uses_analysis_done rather than streaming
23966         it.  Do not stream the modified parameter flag.
23967         (ipa_read_node_info): Set uses_analysis_done to 1 instead of streaming
23968         it.  Do not stream the modified parameter flag.
23969         * ipa-cp.c (ipcp_analyze_node): Removed.
23970         (ipcp_init_stage): Iterate only once over the nodes, analyze each one
23971         with only a call to ipa_analyze_node.
23972         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Analyze the
23973         node with only a call to ipa_analyze_node.
23974
23975 2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23976
23977         * doc/invoke.texi (-Wsuggest-attribute): Add item for noreturn.
23978
23979 2010-06-25  Jan Hubicka  <jh@suse.cz>
23980
23981         * tree-pass.h (pass_split_functions): Declare.
23982         * opts.c (decode_options): Enable function splitting at -O2
23983         * timevar.def (TV_IPA_FNSPLIT): New macro.
23984         * ipa-split.c: New file.
23985         * common.opt (-fpartial-inlining): New flag.
23986         * Makefile.in (ipa-split.o): New object file.
23987         * passes.c (init_optimization_passes): Add ipa-split.
23988         * params.def (partial-inlining-entry-probability): New parameters.
23989         * doc/invoke.texi (-fpartial-inlining): New.
23990
23991 2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>
23992
23993         PR 44665
23994         * tree-inline.c (gimple_expand_calls_inline): Fix typo in comment.
23995         * gimplify.c (is_gimple_reg_rhs_or_call): Likewise.
23996         (gimplify_expr): Likewise.
23997
23998 2010-06-25  Martin Jambor  <mjambor@suse.cz>
23999
24000         * ipa-prop.c (determine_cst_member_ptr): Ignore non-clobbering
24001         statements instead of bailing out on them.
24002         (ipa_analyze_indirect_call_uses): Do not require that loads from the
24003         parameter are in the same BB as the condition.  Update comments.
24004
24005 2010-06-25  Jakub Jelinek  <jakub@redhat.com>
24006
24007         PR middle-end/43866
24008         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): If stmt is always
24009         true or always false, return NULL_TREE.
24010         (tree_unswitch_single_loop): Optimize conditions even when reaching
24011         max-unswitch-level parameter.  If num > 0, optimize first all conditions
24012         using entry checks, then do still reachable block discovery and consider
24013         only conditions in still reachable basic blocks in the loop.
24014
24015         PR tree-optimization/44539
24016         * tree-cfgcleanup.c (fixup_noreturn_call): Call update_stmt even when
24017         the call doesn't have LHS, but has VDEF.
24018
24019 2010-06-25  Joseph Myers  <joseph@codesourcery.com>
24020
24021         * config/pa/pa.h (MODIFY_TARGET_NAME): Remove.
24022         * doc/tm.texi (MODIFY_TARGET_NAME): Don't document.
24023         * gcc.c (enum add_del, struct modify_target, modify_target): Remove.
24024         (process_command): Remove code conditional on MODIFY_TARGET_NAME.
24025         * system.h (MODIFY_TARGET_NAME): Poison.
24026
24027 2010-06-25  Alan Modra  <amodra@gmail.com>
24028
24029         * doc/invoke.texi: Delete mcmodel=medium from powerpc options.
24030         * config/rs6000/rs6000.h (enum rs6000_cmodel): Delete CMODEL_MEDIUM.
24031         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
24032         CMODEL_LARGE as default.
24033         * config/rs6000/rs6000.c (rs6000_handle_option): Remove mcmodel=medium.
24034         (offsettable_ok_by_alignment): Delete.
24035         (rs6000_emit_move): Remove mcmodel=medium optimization.
24036
24037 2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>
24038
24039         With large parts from Jim Wilson:
24040         PR target/43902
24041         * tree-pretty-print.c (dump_generic_node, op_code_prio): Add
24042         WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
24043         * optabs.c (optab_for_tree_code): Likewise.
24044         (expand_widen_pattern_expr): Likewise.
24045         * tree-ssa-math-opts.c (convert_mult_to_widen): New function, broken
24046         out of execute_optimize_widening_mul.
24047         (convert_plusminus_to_widen): New function.
24048         (execute_optimize_widening_mul): Use the two new functions.
24049         * expr.c (expand_expr_real_2): Add support for GIMPLE_TERNARY_RHS.
24050         Remove code to generate widening multiply-accumulate.  Add support
24051         for WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
24052         * gimple-pretty-print.c (dump_ternary_rhs): New function.
24053         (dump_gimple_assign): Call it when appropriate.
24054         * tree.def (WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR): New codes.
24055         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
24056         (expand_gimple_stmt_1): Likewise.
24057         (expand_debug_expr): Support WIDEN_MULT_PLUS_EXPR and
24058         WIDEN_MULT_MINUS_EXPR.
24059         * tree-ssa-operands.c (get_expr_operands): Likewise.
24060         * tree-inline.c (estimate_operator_cost): Likewise.
24061         * gimple.c (extract_ops_from_tree_1): Renamed from
24062         extract_ops_from_tree.  Add new arg for a third operand; fill it.
24063         (gimple_build_assign_stat): Support operations with three operands.
24064         (gimple_build_assign_with_ops_stat): Likewise.
24065         (gimple_assign_set_rhs_from_tree): Likewise.
24066         (gimple_assign_set_rhs_with_ops_1): Renamed from
24067         gimple_assign_set_rhs_with_ops.  Add new arg for a third operand.
24068         (get_gimple_rhs_num_ops): Support GIMPLE_TERNARY_RHS.
24069         (get_gimple_rhs_num_ops): Handle WIDEN_MULT_PLUS_EXPR and
24070         WIDEN_MULT_MINUS_EXPR.
24071         * gimple.h (enum gimple_rhs_class): Add GIMPLE_TERNARY_RHS.
24072         (extract_ops_from_tree_1): Adjust declaration.
24073         (gimple_assign_set_rhs_with_ops_1): Likewise.
24074         (gimple_build_assign_with_ops): Pass NULL for last operand.
24075         (gimple_build_assign_with_ops3): New macro.
24076         (gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3,
24077         gimple_assign_set_rhs_with_ops, extract_ops_from_tree): New inline
24078         functions.
24079         * tree-cfg.c (verify_gimple_assign_ternary): New static function.
24080         (verify_gimple_assign): Call it.
24081         * doc/gimple.texi (Manipulating operands): Document GIMPLE_TERNARY_RHS.
24082         (Tuple specific accessors, subsection GIMPLE_ASSIGN): Document new
24083         functions for dealing with three-operand statements.
24084         * tree.c (commutative_ternary_tree_code): New function.
24085         * tree.h (commutative_ternary_tree_code): Declare it.
24086         * tree-vrp.c (gimple_assign_nonnegative_warnv_p): Return false for
24087         ternary statements.
24088         (gimple_assign_nonzero_warnv_p): Likewise.
24089         * tree-ssa-sccvn.c (stmt_has_constants): Handle GIMPLE_TERNARY_RHS.
24090         * tree-ssa-ccp.c (get_rhs_assign_op_for_ccp): New static function.
24091         (ccp_fold): Use it.  Handle GIMPLE_TERNARY_RHS.
24092         * tree-ssa-dom.c (enum expr_kind): Add EXPR_TERNARY.
24093         (struct hashtable_expr): New member ternary in the union.
24094         (initialize_hash_element): Handle GIMPLE_TERNARY_RHS.
24095         (hashable_expr_equal_p): Fix indentation.  Handle EXPR_TERNARY.
24096         (iterative_hash_hashable_expr): Likewise.
24097         (print_expr_hash_elt): Handle EXPR_TERNARY.
24098         * gimple-fold.c (fold_gimple_assign): Handle GIMPLE_TERNARY_RHS.
24099         * tree-ssa-threadedge.c (fold_assignment_stmt): Remove useless break
24100         statements.  Handle GIMPLE_TERNARY_RHS.
24101
24102 2010-06-25  Jan Hubicka  <jh@suse.cz>
24103
24104         * doc/invoke.texi (-Wsuggest-attribute): Add noreturn.
24105
24106 2010-06-25  Shujing Zhao  <pearly.zhao@oracle.com>
24107
24108         PR c/44517
24109         * c-parser.c (c_parser_parms_list_declarator): Return NULL if one of
24110         parameters are not good.
24111         (c_parser_parameter_declaration): Error unknown type name if the type
24112         name can't start declaration specifiers.
24113
24114 2010-06-25  Joseph Myers  <joseph@codesourcery.com>
24115
24116         * gcc.c (translate_options): Don't mention +e in comment.
24117         (process_command): Don't handle +e specially.
24118
24119 2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>
24120
24121         * ira.c (allocno_pool, copy_pool, allocno_live_range_pool): Delete.
24122
24123         * ira-build.c (merge_hard_reg_conflicts): New function.
24124         (create_cap_allocno, copy_info_to_removed_store_destinations,
24125         propagate_some_info_from_allocno, propagate_allocno_info): Use it.
24126         (move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
24127         (remove_unnecessary_allocnos, remove_low_level_allocnos)
24128         copy_nifo_to_removed_store_destination): Use them.
24129         * ira-lives.c (make_hard_regno_born): New function, split out of
24130         make_regno_born.
24131         (make_allocno_born): Likewise.
24132         (make_hard_regno_dead): New function, split out of make_regno_dead.
24133         (make_allocno_dead): Likewise.
24134         (inc_register_pressure): New function, split out of set_allocno_live.
24135         (dec_register_pressure): New function, split out of clear_allocno_live.
24136         (mark_pseudo_regno_live): New function, split out of mark_reg_live.
24137         (mark_hard_reg_live): Likewise.  Use inc_register_pressure.
24138         (mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
24139         (mark_hard_reg_dead): Likewise.  Use dec_register_pressure.
24140         (make_pseudo_conflict): Use mark_pseudo_regno_dead and
24141         mark_pseudo_regno_live.
24142         (process_bb_node_lives): Use mark_pseudo_regno_live,
24143         make_hard_regno_born and make_allocno_dead.
24144         (make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
24145         set_allocno_live, clear_allocno_live): Delete functions.
24146
24147         * ira-int.h (ira_parent_allocno, ira_parent_or_cap_allocno): Declare.
24148         * ira-build.c (ira_parent_allocno, ira_parent_or_cap_allocno): New
24149         functions.
24150         (ira_flattening): Use ira_parent_allocno.
24151         * ira-conflicts.c (process_regs_for_copy, propagate_copies)
24152         build_allocno_conflicts): Use ira_parent_or_cap_allocno.
24153
24154         * ira-color.c (assign_hard_reg): Improve formatting of multi-line for
24155         statement.
24156
24157         * ira-int.h (SET_MINMAX_SET_BIT, CLEAR_MINMAX_SET_BIT,
24158         TEST_MINMAX_SET_BIT, minmax_set_iterator, minmax_set_iter_init,
24159         minmax_set_iter_cond, minmax_set_iter_next,
24160         FOR_EACH_BIT_IN_MINMAX_SET): Renamed from SET_ALLOCNO_SET_BIT,
24161         CLEAR_ALLOCNO_SET_BIT, TEST_ALLOCNO_SET_BIT, ira_allocno_set_iterator,
24162         ira_allocno_set_iter_init, ira_allocno_set_iter_cond,
24163         ira_allocno_set_iter_Next and FOR_EACH_ALLOCNO_IN_ALLOCNO_SET.  All
24164         uses changed.
24165
24166         * ira-int.h (struct live_range, live_range_t): Renamed from struct
24167         ira_allocno_live_range and allocno_live_range_t; all uses changed.
24168         * ira-build.c (live_range_pool): Renamed from allocno_live_range_pool.
24169         All uses changed.
24170
24171 2010-06-24  Richard Earnshaw  <rearnsha@arm.com>
24172
24173         * thumb2.md (thumb2_tlobits_cbranch): Delete.
24174         (peephole2 to convert zero_extract/compare of single bit to
24175          lshift/compare): New.
24176
24177 2010-06-24  Anatoly Sokolov  <aesok@post.ru>
24178
24179         * fold-const.c (const_binop): Remove 'notrunc' argement. Adjust
24180         recursive call and call to 'int_const_binop'.
24181         (build_range_check, fold_cond_expr_with_comparison, unextend,
24182         fold_truthop, extract_muldiv_1, fold_comparison, fold_binary_loc,
24183         multiple_of_p): Adjust call to const_binop.
24184
24185 2010-06-24  Uros Bizjak  <ubizjak@gmail.com>
24186
24187         * config/i386/i386.md (XFmode push splitter): Use GET_MODE_SIZE to
24188         determine size of XFmode operand.
24189         (XFmode extended DFmode push splitter): Ditto.
24190         (XFmode extended SFmode push splitter): Ditto.
24191
24192 2010-06-24  H.J. Lu  <hongjiu.lu@intel.com>
24193
24194         PR target/44588
24195         * config/i386/i386.md (extract_code): New.
24196         (<u>divmodqi4): Likewise.
24197         (divmodhiqi3): Likewise.
24198         (udivmodhiqi3): Likewise.
24199         (<u>divqi3): Remvoved.
24200
24201 2010-06-24  Jakub Jelinek  <jakub@redhat.com>
24202
24203         PR middle-end/44492
24204         * recog.h (struct recog_data): Add is_asm field.
24205         * recog.c (asm_operand_ok, constrain_operands): If neither < nor > is
24206         present in constraints of inline-asm operand and memory operand
24207         contains {PRE,POST}_{INC,DEC,MODIFY}, return 0.
24208         (extract_insn): Initialize recog_data.is_asm.
24209         * doc/md.texi (Constraints): Document operand side-effect rules.
24210
24211 2010-06-24  Andi Kleen  <ak@linux.intel.com>
24212
24213         * c-parser.c (c_parser_conditional_expression): Call
24214         warn_for_omitted_condop.
24215         * doc/invoke.texi: Document omitted condop warning.
24216
24217 2010-06-24  Nick Clifton<nickc@redhat.com>
24218
24219         * loop-unswitch.c (compare_and_jump_seq): Assert that the last
24220         insn in the sequence is a jump insn before setting its label.
24221
24222 2010-06-24  Alan Modra  <amodra@gmail.com>
24223
24224         * collect2.c (main): Match exactly --version and --help.
24225
24226 2010-06-24  DJ Delorie  <dj@redhat.com>
24227
24228         * config/m32c/m32c-pragma.c: Don't include rtl.h.
24229
24230 2010-06-23  Uros Bizjak  <ubizjak@gmail.com>
24231
24232         * config/i386/i386.md (mov<mode>): Macroize expander from mov{sf,df,xf}
24233         using X87MODEF mode iterator.
24234         (pushsf splitter): Macroize splitter using P mode iterator.
24235         (*swap<mode>): Macroize insn from *swap{sf,df} using MODEF
24236         mode iterator.
24237
24238         (*movxf_internal): Rename from *movxf_integer.
24239         (*movxf_internal_nointeger): Rename from *movxf_nointeger.
24240         (*movdf_internal_rex64): Rename from *movdf_integer_rex64.
24241         (*movdf_internal): Rename from *movdf_integer.
24242         (*movdf_internal_nointeger): Rename from *movdf_nointeger.
24243         (*movsf_internal): Rename from *movdf_1.
24244
24245 2010-06-23  Basile Starynkevitch  <basile@starynkevitch.net>
24246
24247         * coretypes.h (gimple_seq_node_d, gimple_seq_node)
24248         (const_gimple_seq_node): Removed typedefs.
24249
24250         * gimple.h (gimple_seq_node_d, gimple_seq_node)
24251         (const_gimple_seq_node): Added typedefs moved from coretypes.h.
24252
24253 2010-06-23  H.J. Lu  <hongjiu.lu@intel.com>
24254
24255         * config/i386/i386.c (bdesc_args): Replace CODE_FOR_avx_si_si256,
24256         CODE_FOR_avx_ps_ps256 and CODE_FOR_avx_pd_pd256 with
24257         CODE_FOR_vec_extract_lo_v8si, CODE_FOR_vec_extract_lo_v8sf
24258         and CODE_FOR_vec_extract_lo_v4df.
24259
24260         * config/i386/sse.md (vec_extract_lo_<AVX256MODE4P:mode>):
24261         Changed to define_insn_and_split.
24262         (vec_extract_lo_<AVX256MODE8P:mode>): Likewise.
24263         (vec_extract_lo_v16hi): Likewise.
24264         (vec_extract_lo_v32qi): Likewise.
24265         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
24266         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Removed.
24267
24268 2010-06-23  Joern Rennecke  <joern.rennecke@embecosm.com>
24269
24270         PR target/44640
24271         * config/spu/spu-protos.h (spu_expand_epilogue) Use bool.
24272         * config/spu/spu.c (spu_scalar_mode_supported_p): Declare with bool.
24273         (spu_vector_mode_supported_p, spu_handle_fndecl_attribute): Likewise.
24274         (spu_handle_vector_attribute, spu_pass_by_reference): Likewise.
24275         (spu_rtx_costs, spu_function_ok_for_sibcall): Likewise.
24276
24277         PR target/44640
24278         * config/spu/spu.c (ea_load_store_inline): Use add_reg_note.
24279
24280         PR other/44644
24281         * df-core.c (struct df): Rename to df_d.
24282         * df.h (struct df): Likewise.
24283         * dse.h (struct df): Remove forward declaration.
24284         * recog.h (struct insn_data): Rename to:
24285         (struct_insn_data_d).  Adjusted all users.
24286
24287 2010-06-23  Arnaud Charlet  <charlet@adacore.com
24288
24289         PR ada/22220
24290         * doc/install.texi: Update requirements to build GNAT.
24291
24292 2010-06-22  Andreas Schwab  <schwab@linux-m68k.org>
24293
24294         * config/m68k/m68k.c (m68k_output_addr_const_extra): Add cast to
24295         enum type.
24296         (m68k_sched_attr_opx_type): Remove unreachable return.
24297         (m68k_sched_attr_opy_type): Likewise.
24298         (m68k_sched_attr_size): Likewise.
24299         (sched_get_opxy_mem_type): Likewise.
24300         (m68k_sched_attr_op_mem): Likewise.
24301
24302 2010-06-22  Eric Botcazou  <ebotcazou@adacore.com>
24303
24304         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Chain the
24305         new statement and adjust VDEF only if necessary.  Remove superfluous
24306         call to maybe_clean_or_replace_eh_stmt.
24307         * gimple.c (gimple_call_copy_skip_args): Use gimple_call_copy_flags to
24308         copy the flags.
24309         * gimple-iterator.c (gsi_replace): Clear BB of old statement here...
24310         * tree-inline.c (copy_bb): ...and not there.
24311
24312 2010-06-22  Cary Coutant  <ccoutant@google.com>
24313
24314         * dwarf2out.c (is_nested_in_subprogram): New function.
24315         (should_move_die_to_comdat): Use it.
24316         (copy_ancestor_tree): Don't mark DIEs here.
24317         (copy_decls_walk): Start walk from root of newly-added tree;
24318         mark DIEs here instead.
24319
24320 2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>
24321
24322         * config/i386/i386.md (unit): Also check sseishft1.
24323
24324 2010-06-22  Jan Hubicka  <jh@suse.cz>
24325
24326         * gimple.h (gimple_expr_code): Do checking on when gimple checking is
24327         enabled.
24328
24329 2010-06-22  Jan Hubicka  <jh@suse.cz>
24330
24331         * df-problems.c (df_rd_confluence_n, df_lr_confluence_n,
24332         df_live_confluence_n, df_byte_lr_confluence_n, df_md_confluence_n):
24333         Return true if something changed.
24334         * df.h (df_confluence_function_n): Return bool.
24335         * df-core.c (df_worklist_propagate_forward,
24336         df_worklist_propagate_backward): Track changes and ages.
24337         (df_worklist_dataflow_doublequeue): Use bitmap iterator for main walk;
24338         track ages.
24339         * dse.c (dse_confluence_n): Return always true.
24340
24341 2010-06-22  Jan Hubicka  <jh@suse.cz>
24342
24343         * bitmap.c (bitmap_clear_bit): Micro optimize.
24344
24345 2010-06-22  Uros Bizjak  <ubizjak@gmail.com>
24346
24347         * config/i386/i386.md (SWI1248x): New mode iterator.
24348         (SWI48x): Ditto.
24349         (SWI12): Ditto.
24350         (SWI24): Ditto.
24351
24352         (mov<mode>): Macroize expander from mov{qi,hi,si,di} using
24353         SWI1248x mode iterator.
24354         (*push<mode>2_rex64): Macroize insn from *push{qi,hi,si}_rex64
24355         using SWI124 mode iterator.
24356         (*push<mode>2): Macroize insn from *push{qi,hi} using SWI12
24357         mode iterator.
24358         (*push<mode>2_prologue): Macroize insn from  *pushsi2_prologue and
24359         *pushdi2_prologue_rex64 using P mode iterator.
24360         (*mov<mode>_xor): Macroize insn from *movsi_xor and *movdi_xor_rex64
24361         using SWI48 mode iterator.
24362         (*mov<mode>_or): Ditto from *movsi_or and *movdi_or_rex64.
24363         (*movabs<mode>_1): Macroize insn from *movabs{qi,hi,si,di}_1_rex64
24364         using SWI1248x mode iterator.
24365         (*movabs<mode>_2): Ditto from *movabs{qi,hi,si,di}_1_rex64.
24366         (*swap<mode>): Macroize insn from *swapsi and *swapdi_rex64 using
24367         SWI48 mode iterator.
24368         (*swap<mode>_1): Macroize insn from *swap{qi,hi}_1 using SWI12 mode
24369         iterator.
24370         (*swap<mode>_2): Ditto from *swap{qi,hi}_2.
24371         (movstrict<mode>): Macroize expander from movstrict{qi,hi} using
24372         SWI12 mode iterator.
24373         (*movstrict<mode>_1): Macroize insn from *movstrict{qi,hi}_1 using
24374         SWI12 mode iterator.
24375         (*movstrict<mode>_xor): Ditto from *movstrict{qi,hi}_xor.
24376         (*mov<mode>_extv_1): Macroize insn from *mov{hi,si}_extv_1 using
24377         SWI24 mode iterator.
24378         (*mov<mode>_extzv_1): Macroize insn from *mov{si,di}_extzv_1 using
24379         SWI48 mode iterator.
24380         (mov<mode>_insn_1): New expander.
24381         (*mov<mode>_insv_1_rex64): Macroize insn from *mov{si,di}_insv_1_rex64
24382         using SWI48x mode iterator.
24383
24384         (*movoi_internal_avx): Rename from *movoi_internal.
24385         (*movti_internal_rex64): Rename from *movti_rex64.
24386         (*movti_internal_sse): Rename from *movti_sse.
24387         (*movdi_internal_rex64): Rename from *movdi_1_rex64.
24388         (*movdi_internal): Rename from *movdi_2.
24389         (*movsi_internal): Rename from *movsi_1.
24390         (*movhi_internal): Rename from *movhi_1.
24391         (*movqi_internal): Rename from *movqi_1.
24392
24393         (insv): Update the call to gen_movsi_insv_1 for rename.
24394         * config/i386/i386.c (promote_duplicated_reg): Ditto.
24395
24396 2010-06-22  Jan Hubicka  <jh@suse.cz>
24397
24398         * passes.c (execute_function_todo): Move call of statistics_fini_pass
24399         to ...
24400         (execute_todo) ... this one.
24401
24402 2010-06-22  Alan Modra  <amodra@gmail.com>
24403
24404         PR target/44364
24405         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
24406         * caller-save.c (insert_restore, insert_save): Use non-validate
24407         form of adjust_address.
24408
24409 2010-06-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24410
24411         PR target/39690
24412         * config/pa/pa.c (override_options): Disable
24413         -freorder-blocks-and-partition.
24414
24415 2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>
24416
24417         PR target/44615
24418         * config/i386/atom.md (atom_sseishft_2): Also check sseishft1.
24419
24420         * config/i386/i386.md (type): Add sseishft1
24421
24422         * config/i386/ppro_insn (ppro_insn): Also check sseishft1.
24423         (ppro_insn_load): Likewise.
24424         (ppro_insn_store): Likewise.
24425         (ppro_insn_both): Likewise.
24426
24427         * config/i386/sse.md (sse2_lshrv1ti3): Add atom_unit.
24428         (*vec_extractv2di_1_rex64_avx): Replace sseishft with sseishft1
24429         for type.
24430         (*vec_extractv2di_1_avx): Likewise.
24431         (*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for
24432         type.  Remove atom_unit.
24433         (*vec_extractv2di_1_sse2): Likewise.
24434
24435 2010-06-21  DJ Delorie  <dj@redhat.com>
24436
24437         * diagnostic.h (diagnostic_classification_change_t): New.
24438         (diagnostic_context): Add history and push/pop list.
24439         (diagnostic_push_diagnostics): Declare.
24440         (diagnostic_pop_diagnostics): Declare.
24441         * diagnostic.c (diagnostic_classify_diagnostic): Store changes
24442         from pragmas in a history chain instead of the global table.
24443         (diagnostic_push_diagnostics): New.
24444         (diagnostic_pop_diagnostics): New.
24445         (diagnostic_report_diagnostic): Scan history chain to find state
24446         of diagnostics as of the diagnostic location.
24447         * opts.c (set_option): Pass UNKNOWN_LOCATION to
24448         diagnostic_classify_diagnostic.
24449         (enable_warning_as_error): Likewise.
24450         * diagnostic-core.h (DK_POP): Add after "real" diagnostics, for
24451         use in the history chain.
24452         * doc/extend.texi: Document pragma GCC diagnostic changes.
24453
24454 2010-06-21  Jakub Jelinek  <jakub@redhat.com>
24455
24456         * dwarf2out.c (add_linkage_name): New function.  Don't add
24457         anything to DW_TAG_member DIEs.
24458         (add_name_and_src_coords_attributes): Use it.
24459         (gen_variable_die): Call it for C++ static data members if
24460         specification is DW_TAG_member.
24461
24462         * dwarf2out.c (base_type_die): Use DW_ATE_UTF for
24463         C++ char16_t and char32_t.
24464
24465         * Makefile.in (build/genattrtab.o): Depend on vecprim.h.
24466         * genattrtab.c: Include vecprim.h.
24467         (cached_attrs, cached_attr_count, attrs_seen_once,
24468         attrs_seen_more_than_once, attrs_to_cache, attrs_cached_inside,
24469         attrs_cached_after): New variables.
24470         (find_attrs_to_cache): New function.
24471         (FLG_BITWISE, FLG_AFTER, FLG_INSIDE, FLG_OUTSIDE_AND): Define.
24472         (write_test_expr): Add attrs_cached argument, return it too,
24473         attempt to cache non-const attributes used more than once in
24474         a single case handling.
24475         (write_attr_get): Use find_attrs_to_cache, for caching candidates
24476         emit cached_* variables.  Adjust write_attr_set callers.
24477         (write_attr_set): Add attrs_cached attribute, use find_attrs_to_cache
24478         to find attributes that should be cached in this block.  Adjust
24479         write_test_expr callers.
24480         (write_attr_case): Clear attrs_to_cache.  Adjust write_attr_set
24481         callers.
24482         (make_automaton_attrs): Adjust write_test_expr caller.
24483
24484         * Makefile.in (cfgexpand.o): Depend on $(INSN_ATTR_H).
24485         * genattrtab.c (check_tune_attr, find_tune_attr): New functions.
24486         (make_automaton_attrs): If find_tune_attr returns non-NULL,
24487         write separate internal_dfa_insn_code_* and insn_default_latency_*
24488         functions for each attribute's value and emit init_sched_attrs
24489         function and function pointers.
24490         * genattr.c (const_attrs, reservations): New variables.
24491         (gen_attr): Add const attributes to const_attrs vector.
24492         (check_tune_attr, find_tune_attr): New functions.
24493         (main): Add reservations to reservations vector.  If find_tune_attr
24494         returns true, add prototype for init_sched_attrs and make
24495         internal_dfa_insn_code and insn_default_latency function pointers,
24496         otherwise define init_sched_attrs as dummy macro.
24497         * cfgexpand.c: Include insn-attr.h.
24498         (gimple_expand_cfg): Call init_sched_attrs.
24499
24500         * stmt.c (resolve_asm_operand_names): Fix handling of %%.
24501
24502         PR target/44575
24503         * config/i386/i386.c (ix86_gimplify_va_arg): When copying
24504         va_arg from a set of register save slots into a temporary,
24505         if the container is bigger than type size, do the copying
24506         using smaller mode or using memcpy.
24507
24508         PR bootstrap/44426
24509         * sel-sched-dump.h (sel_prepare_string_for_dot_label): Remove
24510         prototype.
24511         (sel_print_to_dot): Remove macro.
24512         (sel_print): Likewise.  New prototype.
24513         * sel-sched-dump.c (sel_prepare_string_for_dot_label): Make static.
24514         (sel_print): New function.
24515
24516 2010-06-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24517
24518         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define
24519         __STDC_VERSION__=199901L, _XOPEN_SOURCE=600 for C++.
24520
24521 2010-06-21  Nick Clifton  <nickc@redhat.com>
24522
24523         * config/rx/rx.h (PTRDIFF_TYPE): Define.
24524         (SMALL_REGISTER_CLASS): Define (to zero).
24525         (PRINT_OPERAND): Delete.
24526         (PRINT_OPERAND_ADDRESS): Delete.
24527         * config/rx/rx-protos.h (rx_print_operand): Delete prototype.
24528         (rx_print_operand_address): Delete prototype.
24529         * config/rx/rx.c (rx_print_operand): Make static.
24530         Allow %H and %L to handle CONST_DOUBLEs.
24531         (rx_print_operand_address): Make static.
24532         (rx_gen_move_template): Rename local variable 'template' to
24533         out_template.
24534         (rx_function_arg): Do not pass unknown sized objects in registers.
24535         (TARGET_PRINT_OPERAND): Define.
24536         (TARGET_PRINT_OPERAND_ADDRESS): Define.
24537
24538 2010-06-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
24539
24540         * Makefile.in (POD2MAN): Provide --date from $(DATESTAMP).
24541
24542 2010-06-21  Kai Tietz  <kai.tietz@onevision.com>
24543
24544         * config/i386/i386.c (ix86_compute_frame_layout): Avoid
24545         stack-alignment for simple leaf-functions.
24546
24547 2010-06-20  Alexandre Oliva  <aoliva@redhat.com>
24548
24549         * doc/install.texi: Document bootstrap-lto.
24550
24551 2010-06-20  Alexandre Oliva  <aoliva@redhat.com>
24552
24553         PR debug/44248
24554         * lto-streamer-in.c (input_bb): Leave debug stmts alone.
24555         (input_function): Drop them here, if VTA is disabled.
24556
24557 2010-06-20  Uros Bizjak  <ubizjak@gmail.com>
24558
24559         PR target/44546
24560         * config/i386/predicates.md (ix86_swapped_fp_comparsion_operator):
24561         New predicate.
24562         * config/i386/i386.md (*fp_jcc_8<mode>_387 and splitters): Use
24563         ix86_swapped_fp_comparsion_operator instead of
24564         ix86_fp_comparison_operator.
24565
24566         (*fp_jcc_1_387): Rename from *fp_jcc_3_387.
24567         (*fp_jcc_1r_387): Rename from *fp_jcc_4_387.
24568         (*fp_jcc_2_387): Rename from *fp_jcc_5_387.
24569         (*fp_jcc_2r_387): Rename from *fp_jcc_6_387.
24570         (*fp_jcc_3_387): Rename from *fp_jcc_7_387.
24571         (*fp_jcc_4_<mode>_387): Rename from *fp_jcc_8<mode>_387.
24572
24573 2010-06-20  Joseph Myers  <joseph@codesourcery.com>
24574
24575         PR other/32998
24576         * opth-gen.awk: Generate definitions of OPT_SPECIAL_unknown,
24577         OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
24578         * opts-common.c (find_opt): Return OPT_SPECIAL_unknown on failure.
24579         (decode_cmdline_option): Update for this return value.  Set
24580         orig_option_with_args_text field.  Set arg field for unknown
24581         options.  Make static.
24582         (decode_cmdline_options_to_array): New.
24583         (prune_options): Update handling of find_opt return value.
24584         * opts.c (read_cmdline_option): Take decoded option.  Return void.
24585         (read_cmdline_options): Take decoded options.
24586         (decode_options): Add parameters for decoded options.  Use
24587         decode_cmdline_options_to_array.  Use decoded options for -O
24588         scan.  Use integral_argument for -O parameters.  Update call to
24589         read_cmdline_options.
24590         (enable_warning_as_error): Update handling of find_opt return value.
24591         * opts.h: Update comment on unknown options.
24592         (struct cl_decoded_option): Update comments on opt_index and arg.
24593         Add orig_option_with_args_text.
24594         (decode_cmdline_option): Remove.
24595         (decode_cmdline_options_to_array): Declare.
24596         (decode_options): Update prototype.
24597         * toplev.c (save_argv): Remove.
24598         (save_decoded_options, save_decoded_options_count): New.
24599         (read_integral_parameter): Remove.
24600         (print_switch_values): Use decoded options.
24601         (toplev_main): Don't set save_argv.  Update call to decode_options.
24602         * toplev.h (read_integral_parameter): Remove.
24603         * varasm.c (elf_record_gcc_switches): Don't handle holding back names.
24604
24605 2010-06-19  Richard Earnshaw  <rearnsha@arm.com>
24606
24607         PR target/44072
24608         * arm.md (cmpsi2_addneg): Prefer emitting adds to subs with a negative
24609         immediate.
24610         * constraints.md (Pw, Px): New constraints.
24611         * thumb2.md (cmpsi2_addneg peephole2): New peepholes.
24612
24613 2010-06-19  H.J. Lu  <hongjiu.lu@intel.com>
24614
24615         * config/i386/sse.md (fma4modesuffixf4): Removed.
24616         (ssemodesuffixf2s): Likewise.
24617         (ssemodesuffixf4): Likewise.
24618         (ssemodesuffixf2c): Likewise.
24619         (ssescalarmodesuffix2s): Likewise.
24620         (avxmodesuffixf2c): Likewise.
24621         (ssemodesuffix): New.
24622         (ssescalarmodesuffix): Likewise.
24623         Update patterns with ssemodesuffix and ssescalarmodesuffix.
24624
24625 2010-06-19  Philip Herron  <herron.philip@googlemail.com>
24626
24627         * c-decl.c (c_write_global_declarations): Don't check flag_syntax_only.
24628
24629 2010-06-18  H.J. Lu  <hongjiu.lu@intel.com>
24630
24631         * stor-layout.c (debug_rli): Remove unused local variables.
24632
24633 2010-06-18  Eric Botcazou  <ebotcazou@adacore.com>
24634
24635         PR rtl-optimization/40900
24636         * expr.c (expand_expr_real_1) <SSA_NAME>: Fix long line.  Save the
24637         original expression for later reuse.
24638         <expand_decl_rtl>: Use promote_function_mode to compute the signedness
24639         of the promoted RTL for a SSA_NAME on the LHS of a call statement.
24640
24641 2010-06-18  Anatoly Sokolov  <aesok@post.ru>
24642
24643         * double-int.h (double_int_to_shwi, double_int_to_uhwi,
24644         double_int_fits_in_uhwi_p): Implement as static inline.
24645         (double_int_xor): New inline function.
24646         (double_int_lrotate, double_int_rrotate, double_int_max,
24647         double_int_umax, double_int_smax, double_int_min, double_int_umin,
24648         double_int_smin): Declare.
24649         (lrotate_double, rrotate_double): Remove declaration.
24650         * double-int.c (double_int_fits_in_uhwi_p, double_int_to_shwi,
24651         double_int_to_uhwi, lrotate_double, rrotate_double): Remove function.
24652         (double_int_lrotate, double_int_rrotate, double_int_max,
24653         double_int_umax, double_int_smax, double_int_min, double_int_umin,
24654         double_int_smin): New function.
24655         * fold-const.c (int_const_binop): Clean up, use double_int_*
24656         functions.
24657         * simplify-rtx.c (simplify_const_binary_operation): Clean up, use
24658         double_int_* and immed_double_int_const functions.
24659
24660 2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>
24661
24662         * function.h (types_used_by_cur_var_decl): Change type to a VEC.
24663         * function.c (types_used_by_cur_var_decl): Likewise.
24664         (used_types_insert): Adjust for new type of types_used_by_cur_var_decl.
24665
24666 2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>
24667
24668         * tree.h (record_layout_info): Change type of pending_statics field
24669         to a VEC.
24670         * stor-layout.c (start_record_layout): Store NULL into
24671         pending_statics.
24672         (debug_rli): Call debug_vec_tree instead of debug_tree.
24673         (place_field): Likewise.
24674         (finish_record_layout): Likewise.
24675
24676 2010-06-18  Alan Modra  <amodra@gmail.com>
24677
24678         * config/rs6000/linux64.h (SET_CMODEL): Don't expand to empty.
24679
24680 2010-06-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24681
24682         PR target/43740
24683         * config/pa/pa.c (emit_move_sequence): Don't infer REG_POINTER flag
24684         for SET source operand from SET destination operand.
24685
24686 2010-06-17  Bernd Schmidt  <bernds@codesourcery.com>
24687
24688         PR rtl-optimization/39871
24689         * reload1.c (init_eliminable_invariants): For flag_pic, disable
24690         equivalences only for constants that aren't LEGITIMATE_PIC_OPERAND_P.
24691         (function_invariant_p): Rule out a plus of frame or arg pointer with
24692         a SYMBOL_REF.
24693         * ira.c (find_reg_equiv_invariant_const): Likewise.
24694
24695 2010-06-17  Gunther Nikl  <gnikl@users.sourceforge.net>
24696
24697         * config/rs6000/rs6000.c (print_operand) <'K'>: Also use
24698         print_operand_address and puts to output the operand for CONST.
24699
24700 2010-06-17  Jakub Jelinek  <jakub@redhat.com>
24701
24702         PR debug/44572
24703         * dwarf2out.c (dwarf2out_debug_hooks): Add entry for begin_epilogue
24704         hook.
24705
24706 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24707
24708         * v850-protos.h (print_operand): Delete.
24709         (print_operand_address): Delete.
24710         * v850.h (PRINT_OPERAND): Delete.
24711         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24712         (PRINT_OPERAND_ADDRESS): Delete.
24713         * v850.c (print_operand_address): Rename to...
24714         (v850_print_operand_address): ...this.  Make static. Call
24715         v850_print_operand.
24716         (print_operand): Rename to...
24717         (v850_print_operand): ...this.  Make static.  Call
24718         v850_print_operand_address.
24719         (v850_print_operand_punct_valid_p): New function.
24720         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
24721         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
24722
24723 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24724
24725         * config/sh/sh-protos.h (print_operand): Delete.
24726         (print_operand_address): Delete.
24727         * config/sh/sh.h (PRINT_OPERAND): Delete.
24728         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24729         (PRINT_OPERAND_ADDRESS): Delete.
24730         * config/sh/sh.c (sh_print_operand_address): Make static.
24731         (sh_print_operand): Make static.  Call sh_print_operand_address
24732         and sh_print_operand.
24733         (sh_print_operand_punct_valid_p): New function.
24734         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
24735         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
24736
24737 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24738
24739         * config/mcore/mcore-protos.h (mcore_print_operand): Delete.
24740         (mcore_print_operand_address): Delete.
24741         * config/mcore/mcore.h (PRINT_OPERAND): Delete.
24742         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24743         (PRINT_OPERAND_ADDRESS): Delete.
24744         * config/mcore/mcore.c (mcore_print_operand_address): Make static.
24745         (mcore_print_operand): Make static.
24746         (mcore_print_operand_punct_valid_p): New function.
24747         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define
24748         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
24749
24750 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24751
24752         * config/m68hc11/m68hc11-protos.h (print_operand): Delete.
24753         (print_operand_address): Delete.
24754         * config/m68hc11/m68hc11.h (PRINT_OPERAND): Delete.
24755         (PRINT_OPERAND_ADDRESS): Delete.
24756         * config/m68hc11/m68hc11.c (m68hc11_print_operand_address): Make
24757         static.
24758         (m68hc11_print_operand): Make static.
24759         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
24760
24761 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24762
24763         * config/m32r/m32r-protos.h (m32r_print_operand): Delete.
24764         (m32r_print_operand_address): Delete.
24765         * config/m32r/m32r.h (m32r_punct_chars): Delete.
24766         (PRINT_OPERAND): Delete.
24767         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24768         (PRINT_OPERAND_ADDRESS): Delete.
24769         * config/m32r/m32r.c (m32r_punct_chars): Make static.
24770         (m32r_print_operand_address): Make static.
24771         (m32r_print_operand): Make static.
24772         (m32r_print_operand_punct_valid_p): New function.
24773         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
24774         (TARGET_PRINT_OPERAND_ADDRESS): Define.
24775
24776 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24777
24778         * config/iq2000/iq2000-protos.h (print_operand): Delete.
24779         (print_operand_address): Delete.
24780         * config/iq2000/iq2000.h (PRINT_OPERAND): Delete.
24781         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24782         (PRINT_OPERAND_ADDRESS): Delete.
24783         (iq2000_print_operand_punct): Delete.
24784         * config/iq2000/iq2000.c (iq2000_print_operand_punct): Make static.
24785         (iq2000_print_operand_address): Make static.
24786         (iq2000_print_operand): Make static.
24787         (iq2000_print_operand_punct_valid_p): New function.
24788         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
24789         (TARGET_PRINT_OPERAND_ADDRESS): Define.
24790
24791 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24792
24793         * config/frv/frv-protos.h (frv_print_operand): Delete.
24794         (frv_print_operand_address): Delete.
24795         * config/frv/frv.h (PRINT_OPERAND): Delete.
24796         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24797         (PRINT_OPERAND_ADDRESS): Delete.
24798         * config/frv/frv.c (frv_print_operand_address): Make static.
24799         (frv_print_operand): Make static.
24800         (frv_print_operand_punct_valid_p): New function.
24801         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
24802         (TARGET_PRINT_OPERAND_ADDRESS): Define.
24803
24804 2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>
24805
24806         * tree.h (vec_member): Declare.
24807         * tree.c (vec_member): Define.
24808
24809 2010-06-17  Richard Guenther  <rguenther@suse.de>
24810
24811         * tree-flow-inline.h (array_ref_contains_indirect_ref): Remove.
24812         * tree-flow.h (array_ref_contains_indirect_ref): Likewise.
24813
24814 2010-06-17  Richard Guenther  <rguenther@suse.de>
24815
24816         * tree-inline.c (declare_return_variable): Remove bogus code.
24817
24818 2010-06-17  Richard Guenther  <rguenther@suse.de>
24819
24820         * gimplify.c (gimplify_bind_expr): Always promote complex
24821         and vector variables to registers if possible.
24822
24823 2010-06-17  Richard Guenther  <rguenther@suse.de>
24824
24825         * expr.c (get_inner_reference): Use double_int for bit_offset
24826         calculation.
24827
24828 2010-06-16  DJ Delorie  <dj@redhat.com>
24829
24830         * common.opt (-fstrict-volatile-bitfields): new.
24831         * doc/invoke.texi: Document it.
24832         * fold-const.c (optimize_bit_field_compare): For volatile
24833         bitfields, use the field's type to determine the mode, not the
24834         field's size.
24835         * expr.c (expand_assignment): Likewise.
24836         (get_inner_reference): Likewise.
24837         (expand_expr_real_1): Likewise.
24838         * expmed.c (store_fixed_bit_field): Likewise.
24839         (extract_bit_field_1): Likewise.
24840         (extract_fixed_bit_field): Likewise.
24841
24842 2010-06-16  Richard Guenther  <rguenther@suse.de>
24843
24844         * tree-inline.c (remap_gimple_op_r): Recurse using remap_gimple_op_r.
24845
24846 2010-06-16  Douglas B Rupp  <rupp@gnat.com>
24847
24848         * config/ia64/vms.h (ASM_OUTPUT_DWARF_DELTA_UNITS): Remove.
24849         (ASM_OUTPUT_DWARF_VMS_DELTA: Define new macro.
24850         * dbxout.c (gcc_debug_hooks): New entry begin_epilogue.
24851         * debug.c: Likewise.
24852         * sdbout.c: Likewise.
24853         * vmsdbgout.c: Likewise.
24854         * debug.h: Likewise. (dwarf2out_vms_{begin,end}_prologue): Declare.
24855         * doc/tm.texi (ASM_OUTPUT_DWARF_VMS_DELTA): Document.
24856         * dwarf2asm.c (dw2_asm_output_vms_delta): New function.
24857         (ASM_OUTPUT_DWARF_VMS_DELTA): Call it.
24858         * dwarf2asm.h (dw2_asm_output_vms_delta): Declare.
24859         * dwarf2out.c (dw_fde_struct): New fields
24860         dw_fde_vms_{end,begin}_prologue.
24861         (PROLOGUE_END_LABEL, EPILOGUE_BEGIN_LABEL): New macros.
24862         (dwarf2out_begin_prologue): Set dw_fde_struct defaults for above.
24863         (dwarf2out_vms_end_prologue): New function.
24864         (dwarf2out_vms_begin_epilogue): New function.
24865         (dw_val_struct): New value dw_val_class_vms_delta.
24866         (gcc_debug_hooks): New entry begin_epilogue. Set end_prologue,
24867         begin_epilogue for VMS.
24868         (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): Declare
24869         new static functions.
24870         (dwarf_attr_name): New cases DW_AT_HP_{prologue,epilogue}.
24871         (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): New
24872         static functions.
24873         (print_die): New case dw_val_class_vms_delta.
24874         (attr_checksum): Likewise.
24875         (same_dw_val_p: Likewise.
24876         (size_of_die): Likewise.
24877         (value_format): Likewise.
24878         (output_die): Likewise.
24879         (gen_subprogram_die): Call add_AT_vms_delta on VMS.
24880         (dwarf2out_begin_epilogue): Rename to dwarf2out_cfi_begin_epilogue
24881         * dwarf2out.h (dwarf2out_begin_epilogue): Rename to
24882         dwarf2out_cfi_begin_epilogue
24883         * final.c (final_scan_insn): Likewise. Call begin_epilogue.
24884
24885 2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>
24886
24887         * config/cris/cris-protos.h (cris_print_operand): Delete.
24888         (cris_print_operand_address): Delete.
24889         * config/cris/cris.h (PRINT_OPERAND): Delete.
24890         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24891         (PRINT_OPERAND_ADDRESS): Delete.
24892         * config/cris/cris.c (cris_print_operand_address): Make static.
24893         (cris_print_operand): Make static.
24894         (cris_print_operand_punct_valid_p): New function.
24895         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
24896         (TARGET_PRINT_OPERAND_ADDRESS): Define.
24897
24898 2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>
24899
24900         * config/arm/arm-protos.h (arm_print_operand): Delete.
24901         (arm_print_operand_address): Delete.
24902         * config/arm/arm.h (PRINT_OPERAND): Delete.
24903         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
24904         (PRINT_OPERAND_ADDRESS, ARM_PRINT_OPERAND_ADDRESS):
24905         (THUMB_PRINT_OPERAND_ADDRESS): Delete and move code to...
24906         * config/arm/arm.c (arm_print_operand_address): ...here.  New function.
24907         (arm_print_operand): Make static.
24908         (arm_print_operand_punct_valid_p): New function.
24909         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
24910         (TARGET_PRINT_OPERAND_ADDRESS): Define.
24911
24912 2010-06-16  Nick Clifton  <nickc@redhat.com>
24913
24914         * config/rx/constraints.md (NEGint4): New constraint.
24915         * config/rx/rx.md (attr cc): Add set_zsc.
24916         (cbranchsf4): Only test for -fnon-call-exceptions if cfun has been
24917         initialised.
24918         (cmpsf): Likewise.
24919         (call_internal): Clobber the cc0 register.
24920         (call_value_internal): Likewise.
24921         (cstoresi4): Likewise.
24922         (movsieq): Likewise.
24923         (movsine): Likewise.
24924         (addsi3): Add alternative to handle small negative constants.
24925         (sunsi3): Likewise.
24926         (addsi3): Do not set the O bit in the cc0 register.
24927         (adddi3): Likewise.
24928         (subsi3): Likewise.
24929         (subdi3): Likewise.
24930         (andsi3): Reorder alternatives to prefer shorter forms.
24931         (mulsi3): Likewise.
24932         (iorsi3): Likewise.
24933         (negsi2): Note that the cc0 flags are set.
24934         (rotlsi3): Note that only the Z and S bits are set in cc0.
24935         (lshrsi3): Likewise.
24936         (ashlsi3): Likewise.
24937         (subsf3): Use %Q for the MEM operand.
24938         (fix_truncsfsi2): Likewise.
24939         (floatsisf2): Likewise.
24940         (bitset): Remove early clobber from destination.
24941         (bitset_in_memory): Likewise.
24942         (lrintsf2): Clobber the cc0 register.
24943         * config/rx/rx.c (rx_notice_update_cc): Handle CC_SET_ZSC.
24944         (rx_print_operand): Handle %N.
24945
24946 2010-06-16  Jan Hubicka  <jh@suse.cz>
24947
24948         * df-core.c (df_compact_blocks): Free problem_temps vector.
24949
24950 2010-06-16  Martin Jambor  <mjambor@suse.cz>
24951
24952         PR tree-optimization/43905
24953         * tree-sra.c: Include tree-inline.h.
24954         (create_abstract_origin): Removed.
24955         (modify_function): Version the call graph node instead of creating
24956         abstract origins and dealing with same_body aliases.
24957         * tree-sra.c (ipa_sra_preliminary_function_checks): Check whether the
24958         function is versionable.
24959         * Makefile.in (tree-sra.o): Add TREE_INLINE_H to dependencies.
24960
24961 2010-06-16  Maxim Kuvyrkov  <maxim@codesourcery.com>
24962
24963         * config/mips/linux64.h (BIONIC_DYNAMIC_LINKERN32): Define.
24964         (CHOOSE_DYNAMIC_LINKER): Update.
24965
24966 2010-06-15  Uros Bizjak  <ubizjak@gmail.com>
24967
24968         * config/i386/i386.c (*prefetch_sse_<mode>):  Macroize insn from
24969         *prefetch_sse and *prefetch_sse_rex using P mode iterator.
24970         (*prefetch_3dnow_<mode>): Ditto from *prefetch_3dnow and
24971         *prefetch_3dnow_rex.
24972
24973 2010-06-15  Anatoly Sokolov  <aesok@post.ru>
24974
24975         * target.h (struct asm_out):Add declare_constant_name field.
24976         * target-def.h (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.
24977         (TARGET_INITIALIZER): Use TARGET_ASM_DECLARE_CONSTANT_NAME.
24978         * output.h (default_asm_declare_constant_name): Declare.
24979         (assemble_label): Update prototype.
24980         * varasm.c (assemble_constant_contents): Use
24981         targetm.asm_out.declare_constant_name target hook.
24982         (assemble_label): Add 'file' argument.
24983         (default_asm_declare_constant_name): New function.
24984         * system.h (ASM_DECLARE_CONSTANT_NAME): Poison.
24985         * doc/tm.texi (ASM_DECLARE_CONSTANT_NAME): Remove.
24986         (TARGET_ASM_DECLARE_CONSTANT_NAME): Document it.
24987
24988         * config/darwin-protos.h (darwin_asm_declare_constant_name): Declare.
24989         * config/darwin.c (darwin_asm_declare_constant_name): New function.
24990         (machopic_output_indirection): Update assemble_label argument list.
24991         * config/darwin.h (ASM_DECLARE_CONSTANT_NAME): Remove.
24992         (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.
24993
24994 2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>
24995
24996         PR middle-end/44391
24997         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
24998         size_one_node for pointer types.  Do not call gmp_cst_to_tree.
24999
25000 2010-06-15  Richard Guenther  <rguenther@suse.de>
25001
25002         * tree-ssa-pre.c (eliminate): Handle PHI elimination to constants.
25003
25004 2010-06-15  Paul Brook  <paul@codesourcery.com>
25005
25006         * config/arm/arm.c (use_vfp_abi): Add sorry() for Thumb-1
25007         hard-float ABI.
25008
25009 2010-06-15  Alexandre Oliva  <aoliva@redhat.com>
25010
25011         * tree-vect-patterns.c (vect_pattern_recog_1): Bail out if we
25012         don't get a vector type for output.
25013
25014 2010-06-15  Jakub Jelinek  <jakub@redhat.com>
25015
25016         PR fortran/44536
25017         * langhooks.h (struct lang_hooks_for_decls): Add omp_report_decl.
25018         * langhooks-def.h (LANG_HOOKS_OMP_REPORT_DECL): Define.
25019         (LANG_HOOKS_DECLS): Add it.
25020         * gimplify.c (omp_notice_variable): Call
25021         lang_hooks.decls.omp_report_decl.
25022
25023 2010-06-15  Martin Jambor  <mjambor@suse.cz>
25024
25025         PR lto/44464
25026         * tree-sra.c (replace_removed_params_ssa_names): Call release_ssa_name
25027         on the newly dead SSA name.
25028
25029 2010-06-15  Alan Modra  <amodra@gmail.com>
25030
25031         * doc/invoke.texi: Add mcmodel to powerpc options.
25032         * configure.ac: Add HAVE_LD_LARGE_TOC test.
25033         * configure: Regenerate.
25034         * config.in: Regenerate.
25035         * config/rs6000/linux64.opt (mcmodel): New.
25036         * config/rs6000/linux64.h (TARGET_USES_LINUX64_OPT): Define.
25037         (TARGET_CMODEL, SET_CMODEL): Define.
25038         (SUBSUBTARGET_OVERRIDE_OPTIONS): Check user -mcmodel choice,
25039         select CMODEL_MEDIUM default.
25040         * config/rs6000/rs6000.h (enum rs6000_cmodel): New.
25041         (TARGET_CMODEL): Define default.
25042         * config/rs6000/rs6000.c (cmodel): New variable.
25043         (rs6000_explicit_options): Add cmodel field.
25044         (rs6000_handle_option): Handle -mcmodel.
25045         (create_TOC_reference): Add largetoc_reg param.  Generate high,
25046         lo_sum rtl for CMODEL_MEDIUM and CMODEL_LARGE.  Update all callers.
25047         (rs6000_delegitimize_address): Recognise new toc reference rtl
25048         and minimal-toc rtl.
25049         (rs6000_legitimize_reload_address): Handle new toc references.
25050         (print_operand_address): Handle legitimate_constant_pool_address_p
25051         match before lo_sum.
25052         (rs6000_eliminate_indexed_memrefs): Tidy.
25053         (rs6000_emit_move): Tweak threshold for inlining constants.
25054         Keep rs6000_emit_allocate_stack large stack frame offsets
25055         loaded into r0 inline.
25056         (rs6000_generate_compare <cmptf_internal2>): One more clobber.
25057         (tocrel_base, tocrel_offset): New variables.
25058         (toc_relative_expr_p): Set them here.
25059         (print_operand_address): Skip over any offset on constant pool address.
25060         (rs6000_output_addr_const_extra): Print tocrel_offset before @toc.
25061         (rs6000_mode_dependent_address <LO_SUM>): False for new toc refs.
25062         (offsettable_ok_by_alignment): New function.
25063         (rs6000_emit_move): Address suitably aligned local symbol_refs
25064         relative to the toc pointer for -mcmodel=medium.
25065         (legitimate_constant_pool_address_p): Make param const_rtx.  Add
25066         strict param.  Allow lo_sum version of addressing.  Verify reg
25067         used for -mminimal-toc and -mcmodel != small.  Update all callers.
25068         * config/rs6000/constraints.md: Update for above change.
25069         * config/rs6000/predicates.md: Likewise.
25070         * config/rs6000/rs6000.md (tls_gd_aix): Generate -mcmodel=medium/large
25071         code.
25072         (tls_gd): Split for -mcmodel=medium/large.
25073         (tls_gd_high, tls_gd_low): New.
25074         (tls_ld_aix, tls_ld, tls_ld_high, tls_ld_low): Similarly.
25075         (tls_got_dtprel, tls_got_dtprel_high, tls_got_dtprel_low): Similarly.
25076         (tls_got_tprel, tls_got_tprel_high, tls_got_tprel_low): Similarly.
25077         (largetoc_high, largetoc_low): New.
25078         (cmptf_internal2): Add clobber.
25079         * config/rs6000/rs6000-protos.h: Update.
25080
25081 2010-06-14  Changpeng Fang  <changpeng.fang@amd.com>
25082
25083         * tree-ssa-loop-prefetch.c (nothing_to_prefetch_p): New.  Return
25084         true if no prefetch is going to be generated for a given group.
25085         (estimate_prefetch_count): Use prefetch_mod and unroll_factor to
25086         estimate the prefetch_count.
25087         (loop_prefetch_arrays): Call nothing_to_prefetch_p; estimate the
25088         prefetch count by considering the unroll_factor and prefetch_mod
25089         for is_loop_prefetching_profitable.
25090
25091 2010-06-14  Andreas Schwab  <schwab@linux-m68k.org>
25092
25093         * config/m68k/m68k.c (m68k_delegitimize_address): Don't do
25094         anything if the argument is not a MEM.
25095
25096 2010-06-14  Alexandre Oliva  <aoliva@redhat.com>
25097
25098         PR debug/43650
25099         PR debug/44181
25100         PR debug/44247
25101         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Skip
25102         debug stmts.
25103         (canonicalize_loop_ivs): Likewise.
25104
25105 2010-06-14  Alexandre Oliva  <aoliva@redhat.com>
25106
25107         PR debug/43656
25108         * haifa-sched.c (setup_insn_reg_pressure_info,
25109         update_register_pressure): Reject debug insns.
25110         (ready_sort): Don't setup reg pressure for debug insns.
25111         (schedule_insn): Don't update reg pressure for debug insns.
25112
25113 2010-06-14  Richard Guenther  <rguenther@suse.de>
25114
25115         * lto-streamer.c (cached_bp): Remove.
25116         (bitpack_delete): Likewise.
25117         (bitpack_create): Likewise.
25118         (bp_get_next_word): Likewise.
25119         (bp_pack_value, bp_unpack_value): Move ...
25120         * lto-streamer.h (bp_pack_value, bp_unpack_value): ... here.
25121         Re-implement.
25122         (struct bitpack_d): Likewise.
25123         (bitpack_create, lto_output_bitpack, lto_input_bitpack):
25124         New inline functions.
25125         * lto-streamer-out.c (lto_output_bitpack): Remove.
25126         (pack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
25127         (pack_value_fields): Adjust.
25128         (lto_write_tree): Likewise.
25129         (output_gimple_stmt): Likewise.
25130         (output_function): Likewise.
25131         * lto-streamer-in.c (input_gimple_stmt): Adjust.
25132         (input_function): Likewise.
25133         (unpack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
25134         (lto_input_bitpack): Remove.
25135         (lto_materialize_tree): Adjust.
25136         * Makefile.in (ipa-prop.o): Add $(LTO_STREAMER_H) dependency.
25137         * lto-cgraph.c (lto_output_edge): Adjust.
25138         (lto_output_node): Likewise.
25139         (lto_output_varpool_node): Likewise.
25140         (lto_output_ref): Likewise.
25141         (input_node): Likewise.
25142         (input_varpool_node): Likewise.
25143         (input_ref): Likewise.
25144         (input_edge): Likewise.
25145         (output_node_opt_summary): Likewise.
25146         (input_node_opt_summary): Likewise.
25147         * ipa-pure-const.c (pure_const_write_summary): Likewise.
25148         (pure_const_read_summary): Likewise.
25149         * ipa-prop.c (ipa_write_indirect_edge_info): Likewise.
25150         (ipa_read_indirect_edge_info): Likewise.
25151         (ipa_write_node_info): Likewise.
25152         (ipa_read_node_info): Likewise.
25153
25154 2010-06-14  H.J. Lu  <hongjiu.lu@intel.com>
25155
25156         PR target/44534
25157         * config/i386/sse.md (vec_extract_lo_<mode>): Replace 0x1 with 0x0.
25158         (vec_extract_lo_v16hi): Likewise.
25159         (vec_extract_lo_v32qi): Likewise.
25160
25161 2010-06-14  Jakub Jelinek  <jakub@redhat.com>
25162
25163         PR bootstrap/44426
25164         * tree.h (build_call_expr): Don't define as vararg macro, instead
25165         add a prototype.
25166         * builtins.c (build_call_nofold): Remove.
25167         (expand_builtin_int_roundingfn, expand_builtin_pow,
25168         expand_builtin_mempcpy_args, expand_builtin_stpcpy,
25169         expand_builtin_memset_args, expand_builtin_strcmp,
25170         expand_builtin_strncmp, expand_builtin_memory_chk): Use
25171         build_call_nofold_loc instead of build_call_nofold.
25172         (build_call_expr): New function.
25173
25174         PR tree-optimization/44508
25175         * tree-ssa-propagate.h (substitute_and_fold): Add DO_DCE argument.
25176         * tree-ssa-propagate.c (substitute_and_fold): If !DO_DCE,
25177         don't eliminate trivially dead stmts.
25178         * tree-vrp.c (vrp_finalize): Pass false as last argument
25179         to substitute_and_fold.
25180         * tree-ssa-copy.c (fini_copy_prop): Pass true as last argument
25181         to substitute_and_fold.
25182         * tree-ssa-ccp.c (ccp_finalize): Likewise.
25183
25184         PR bootstrap/44509
25185         * c-config-lang.in (gtfiles): Add c-family/c-cppbuiltin.c.
25186
25187 2010-06-14  Ira Rosen  <irar@il.ibm.com>
25188
25189         PR tree-optimization/44507
25190         * tree-vect-loop.c (get_initial_def_for_reduction): Use -1
25191         to build initial vector for BIT_AND_EXPR.
25192         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
25193
25194 2010-06-14  Jakub Jelinek  <jakub@redhat.com>
25195
25196         * config/s390/s390.md (*mov<mode>_64 DD_DF, mov<mode>): Properly
25197         adjust z10prop set_attr.
25198
25199 2010-06-13  Jan Hubicka  <jh@suse.cz>
25200
25201         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
25202         bitmap_and_compl_into, bitmap_compl_and_into, bitmap_ior,
25203         bitmap_ior_into, bitmap_xor, bitmap_xor_into,
25204         bitmap_ior_and_compl, bitmap_ior_and_compl): Turn internal
25205         datastructure checks into checking asserts.
25206         * rtlanal.c (find_reg_note): Use gcc_checking_assert.
25207         * tree-ssa-sccvn.c (VN_INFO): Likewise.
25208         * df-scan.c (df_reorganize_refs_by_reg_by_reg, df_install_ref,
25209         df_ref_create_structure): Likewise.
25210         * alloc-pool.c (create_alloc_pool, empty_alloc_pool, pool_alloc,
25211         pool_free): Use gcc_checking_assert.
25212         * alias.c (get_alias_set): Likewise.
25213         * var-tracking.c (variable_htab_free, shared_hash_copy,
25214         canonicalize_values_mark, variable_merge_over_cur): Likewise.
25215         * lto-streamer.c (bp_unpack_value): Likewise.
25216
25217 2010-06-13  Richard Guenther  <rguenther@suse.de>
25218
25219         * lto-streamer-in.c (lto_input_ts_type_tree_pointers):
25220         Do not stream but initialize TYPE_CANONICAL to NULL.
25221         (lto_output_ts_type_tree_pointers): Do not stream TYPE_CANONICAL.
25222         * gimple.c (gimple_types_compatible_p): Disregard
25223         TYPE_STRUCTURAL_EQUALITY_P.
25224         (gimple_register_type): Use TYPE_CANONICAL as cache.
25225         * lto-streamer.c (lto_record_common_node): Zero TYPE_CANONICAL
25226         before registering common types.
25227         * config/i386/i386.c (ix86_function_arg_boundary): Do not
25228         use TYPE_CANONICAL, instead use TYPE_MAIN_VARIANT.
25229         * tree.h (TYPE_CANONICAL): Clarify documentation.
25230
25231 2010-06-13  Anatoly Sokolov  <aesok@post.ru>
25232
25233         * config/ia64/ia64.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
25234         LIBCALL_VALUE): Remove macros.
25235         * config/ia64/ia64-protos.h (ia64_function_value): Remove.
25236         * config/ia64/ia64.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
25237         TARGET_FUNCTION_VALUE_REGNO_P): Define.
25238         (ia64_libcall_value, ia64_function_value_regno_p): New functions.
25239         (ia64_function_value): Make static. Handle receiving the function
25240         type in 'fn_decl_or_type' argunent. Add 'outgoing' argument.
25241
25242 2010-06-12  Jan Hubicka  <jh@suse.cz>
25243
25244         * cse.c (cse_extended_basic_block): Move optimize_bb_for_speed_p
25245         at correct place.
25246
25247 2010-06-12  Bernd Schmidt  <bernds@codesourcery.com>
25248
25249         * config/arm/arm.c (thumb2_reorg): Fix errors in previous change.
25250
25251 2010-06-12  Jan Hubicka  <jh@suse.cz>
25252
25253         * df-core.c (df_clear_bb_info): New function.
25254         (df_set_blocks): bb_info is always allocated.
25255         (df_get_bb_info): Use block_info_elt_size.
25256         (df_set_bb_info): Likewise.
25257         (df_compact_blocks): Update for new block_info.
25258         (grow_bb_info): New function.
25259         * df-problems.c (df_grow_bb_info): Move to df-core.c
25260         (df_rd_set_bb_info): Remove.
25261         (df_rd_free_bb_info): Do not free block pool.
25262         (df_rd_alloc): Do not create pool, use check for
25263         obstack presence instead of NULL pointer for new blocks.
25264         (df_rd_free): DO not free alloc pool; clear block_info.
25265         (problem_RD): Add size of block info structure.
25266         (df_lr_set_bb_info): Remove.
25267         (df_lr_free_bb_info): Do not free block pool.
25268         (df_lr_alloc): Do not create pool, use check for
25269         obstack presence instead of NULL pointer for new blocks.
25270         (df_lr_free): DO not free alloc pool; clear block_info.
25271         (problem_LR): Add size of block info structure.
25272         (df_live_set_bb_info): Remove.
25273         (df_live_free_bb_info): Do not free block pool.
25274         (df_live_alloc): Do not create pool, use check for
25275         obstack presence instead of NULL pointer for new blocks.
25276         (df_live_free): DO not free alloc pool; clear block_info.
25277         (problem_LIVE): Add size of block info structure.
25278         (problem_CHAIN): Add size of block info structure.
25279         (df_byte_lr_set_bb_info): Remove.
25280         (df_byte_lr_free_bb_info): Do not free block pool.
25281         (df_byte_lr_alloc): Do not create pool, use check for
25282         obstack presence instead of NULL pointer for new blocks.
25283         (df_byte_lr_free): DO not free alloc pool; clear block_info.
25284         (problem_BYTE_LR): Add size of block info structure.
25285         (problem_NOTE): Add size of block info structure.
25286         (df_byte_MD_set_bb_info): Remove.
25287         (df_byte_MD_free_bb_info): Do not free block pool.
25288         (df_byte_MD_alloc): Do not create pool, use check for
25289         obstack presence instead of NULL pointer for new blocks.
25290         (df_byte_MD_free): DO not free alloc pool; clear block_info.
25291         (problem_BD): Add size of block info structure.
25292         * df-scan.c (df_scan_free_internal): Free block pool.
25293         (df_scan_set_bb_info): Remove.
25294         (df_scan_free_bb_info): Check for artificial_defs instead
25295         of bb_info being non-NULL.
25296         (df_scan_alloc): DO not create df_scan_block pool.
25297         (problem_SCAN): Set size of block info.
25298         (df_bb_refs_record): Do not allocate bb_info.
25299         * df.h (df_problem): Add block_info_elt_size.
25300         (struct dataflow): Change block_info to void *.
25301         (df_scan_get_bb_info, df_rd_get_bb_info, df_lr_get_bb_info,
25302         df_md_get_bb_info, df_live_get_bb_info, df_byte_lr_get_bb_info): Return
25303         in-line structures.
25304
25305 2010-06-12  Jan Hubicka  <jh@suse.cz>
25306
25307         PR tree-optimize/44485
25308         * tree-cfgcleanup.c (fixup_noreturn_call): Remove basic blocks
25309         containing use of return value of noreturn function.
25310
25311 2010-06-12  Anatoly Sokolov  <aesok@post.ru>
25312
25313         * targhooks.c (default_function_value): Don't use
25314         FUNCTION_OUTGOING_VALUE.
25315         * system.h (FUNCTION_OUTGOING_VALUE): Poison.
25316         * doc/tm.texi (FUNCTION_OUTGOING_VALUE): Removed.
25317
25318 2010-06-12  Kazu Hirata  <kazu@codesourcery.com>
25319
25320         * config.gcc (mips64*-*-linux*, mipsisa64*-*-linux*, mips*-*-linux*):
25321         Add crtfastmath.o to extra_parts.
25322         * config/mips/crtfastmath.c: New.
25323         * config/mips/linux.h (ENDFILE_SPEC): New.
25324
25325 2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>
25326
25327         * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
25328         old_type in parameter.
25329         (gcc_type_for_value): Update call to gcc_type_for_interval.
25330         (compute_type_for_level_1): Renamed compute_type_for_level.
25331         Update call to gcc_type_for_interval.
25332
25333 2010-06-11  Joseph Myers  <joseph@codesourcery.com>
25334
25335         * common.opt (Wstrict-aliasing=, Wstrict-overflow=, fabi-version=,
25336         flto-compression-level=, ftree-parallelize-loops=): Add RejectNegative.
25337
25338 2010-06-11  Joseph Myers  <joseph@codesourcery.com>
25339
25340         * opts-common.c: Include options.h.
25341         (integral_argument): Move from opts.c.
25342         (decode_cmdline_option): New.  Based on read_cmdline_option.
25343         * opts.c (integral_argument): Move to opts-common.c.
25344         (read_cmdline_option): Move most contents to
25345         decode_cmdline_option.  Use %qs in diagnostics.
25346         * opts.h (CL_ERR_DISABLED, CL_ERR_MISSING_ARG, CL_ERR_WRONG_LANG,
25347         CL_ERR_UINT_ARG, struct cl_decoded_option, integral_argument,
25348         decode_cmdline_option): New.
25349
25350 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
25351
25352         PR target/44481
25353         * config/i386/i386.md (UNSPEC_PARITY): New unspec.
25354         (paritydi2_cmp): Use UNSPEC_PARITY unspec instead of parity RTX.
25355         (partiysi2_cmp): Ditto.
25356         (*partiyhi2_cmp): Ditto.
25357         (*parityqi2_cmp): Remove.
25358
25359 2010-06-11  Jan Hubicka  <jh@suse.cz>
25360
25361         * bitmap.h (bmp_iter_next_bit): New.
25362         (bmp_iter_set, bmp_iter_and, bmp_iter_and_compl): Use it.
25363
25364 2010-06-11  Sandra Loosemore  <sandra@codesourcery.com>
25365             Eric Botcazou  <ebotcazou@adacore.com>
25366
25367         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Return again the
25368         computed cost.
25369
25370 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
25371
25372         * config/i386/i386.md (unspec): New define_c_enum.
25373         (unspecv): Ditto.
25374
25375 2010-06-10  Jakub Jelinek  <jakub@redhat.com>
25376
25377         * Makefile.in (c-family/c-cppbuiltin.o): Depend on $(CPP_ID_DATA_H).
25378
25379 2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>
25380
25381         PR middle-end/44483
25382         * tree-if-conv.c (bb_predicate_s): New struct.
25383         (bb_predicate_p): New.
25384         (bb_has_predicate): New.
25385         (bb_predicate): New.
25386         (set_bb_predicate): New.
25387         (bb_predicate_gimplified_stmts): New.
25388         (set_bb_predicate_gimplified_stmts): New.
25389         (add_bb_predicate_gimplified_stmts): New.
25390         (init_bb_predicate): New.
25391         (free_bb_predicate): New.
25392         (is_predicated): Use bb_predicate.
25393         (add_to_predicate_list): Use bb_predicate and set_bb_predicate.
25394         (predicate_bbs): Same.  Gimplify the condition of the basic blocks
25395         before processing their successors.
25396         (clean_predicate_lists): Removed.
25397         (find_phi_replacement_condition): Use bb_predicate.
25398         (process_phi_nodes): Renamed ifconvert_phi_nodes.  Avoid useless
25399         computations.
25400         (insert_gimplified_predicates): New.
25401         (combine_blocks): Call insert_gimplified_predicates.
25402         (tree_if_conversion): Call free_bb_predicate instead of
25403         clean_predicate_lists.
25404
25405 2010-10-11  Paul Brook  <paul@codesourcery.com>
25406
25407         * doc/invoke.texi: Document ARM -mcpu=cortex-m4.
25408         * config/arm/arm.c (all_architectures): Change v7e-m default to
25409         cortexm4.
25410         * config/arm/arm-cores.def: Add cortex-m4.
25411         * config/arm/arm-tune.md: Regenerate.
25412
25413 2010-06-11  Jan Hubicka  <jh@suse.cz>
25414
25415         * ipa-pure-const.c (special_builtlin_state): New function.
25416         (check_call): Use it instead of special casign BUILT_IN_RETURN.
25417         (propagate_pure_const): Use it.
25418
25419 2010-06-11  Jan Hubicka  <jh@suse.cz>
25420
25421         * df-problems.c (df_live_scratch): Convert to bitmap_head.
25422         (df_live_alloc): Initialize df_live_scratch when initializing
25423         problem_data.
25424         (df_live_transfer_function): Update uses of df_live_scratch.
25425         (df_live_free): Free problem_data; clear df_live_scratch before
25426         releasing the obstack.
25427         (df_md_free): Free problem data.
25428
25429 2010-06-11  Jan Hubicka  <jh@suse.cz>
25430
25431         * doc/invoke.texi (Wsuggest-attribute): Document.
25432         (Wmissing-noreturn): Remove.
25433         * ipa-pure-const.c (warn_function_noreturn): New function.
25434         * opts.c (decode_options): Set warn_suggest_attribute_noreturn on
25435         warn_missing_noreturn.
25436         * common.opt (Wsuggest-attribute=noreturn): New.
25437         * tree-flow.h (warn_function_noreturn): Declare.
25438         * tree-cfg.c (execute_warn_function_noreturn): Use
25439         warn_function_noreturn.
25440         (gate_warn_function_noreturn): New.
25441         (pass_warn_function_noreturn): Update.
25442
25443 2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>
25444
25445         * c-typeck.c (handle_warn_cast_qual): Add loc
25446         parameter. Improve warning message.
25447         (build_c_cast): Pass location to handle_warn_cast_qual.
25448
25449 2010-06-11  Uros Bizjak  <ubizjak@gmail.com>
25450
25451         * config/i386/i386.md (pro_epilogue_adjust_stack_1) <TYPE_ALU>: Assert
25452         that operand 0 == operand 1.  Use x86_maybe_negate_const_int to output
25453         insn mnemonic.
25454         (pro_epilogue_adjust_stack_rex64) <TYPE_ALU>: Ditto.
25455
25456 2010-06-10  Dodji Seketeli  <dodji@redhat.com>
25457
25458         Fix bootstap on mips
25459         * dwarf2out.c (is_naming_typedef_dec): Built-in TYPE_DECLs cannot
25460         be naming typedefs.
25461
25462 2010-06-11  Kai Tietz  <kai.tietz@onevision.com>
25463
25464         * system.h (helper_const_non_const_cast): New inline for
25465         gcc version <= 4.0.
25466         (CONST_CAST2): For gcc version <= 4.0 use
25467         new helper to do const/non-const casting.
25468
25469 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25470
25471         * doc/md.texi: Document the "unspec" and "unspecv" enum names.
25472         * Makefile.in (OBJS-common): Include insn-enums.o.
25473         (insn-enums.o): New rule.
25474         (simple_generated_c): Add insn-enums.c.
25475         (build/genenums.o): New rule.
25476         (genprogmd): Add "enums".
25477         * genconstants.c (print_enum_type): Declare a C string array
25478         for each enum.
25479         * genenums.c: New file.
25480         * print-rtl.c (print_rtx): If defined, use the "unspecv" enum
25481         for UNSPEC_VOLATILE.  If defined, use the "unspec" enum for both
25482         UNSPEC and (as a fallback) for UNSPEC_VOLATILE.
25483
25484 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25485
25486         * doc/md.texi (define_enum_attr): Document.
25487         * rtl.def (DEFINE_ENUM_ATTR): New rtx.
25488         * read-md.h (lookup_enum_type): Declare.
25489         * read-md.c (lookup_enum_type): New function.
25490         * genattr.c (gen_attr, main): Handle DEFINE_ENUM_ATTR.
25491         * genattrtab.c (attr_desc): Add an enum_name field.
25492         (evaluate_eq_attr): Take the associated attribute as argument.
25493         Get the enum prefix from the enum_name field, if defined.
25494         Use ACONCAT rather than a fixed-length buffer.  Update recursive calls.
25495         (simplify_test_exp): Pass attr to evaluate_eq_attr.
25496         (add_attr_value): New function, split out from...
25497         (gen_attr): ...here.  Handle DEFINE_ENUM_ATTR.
25498         (write_test_expr): Pass attr to evaluate_eq_attr.
25499         (write_attr_get): Use the enum_name as the enum tag, if defined.
25500         (write_attr_valueq): Use the enum_name as a prefix, if defined.
25501         (find_attr): Initialize enum_name.
25502         (main): Handle DEFINE_ENUM_ATTR.
25503         * gensupport.c (process_rtx): Likewise.
25504         * config/mips/mips.h (mips_tune_attr): Delete.
25505         * config/mips/mips.md (cpu): Use define_attr_enum.
25506
25507 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25508
25509         * doc/md.texi (define_c_enum, define_enum): Document.
25510         * read-md.h (md_constant): Add a parent_enum field.
25511         (enum_value, enum_type): New structures.
25512         (upcase_string, traverse_enum_types): Declare.
25513         * read-md.c (enum_types): New variable.
25514         (upcase_string, add_constant): New functions.
25515         (handle_constants): Don't create the hash table here.
25516         Use add_constant.
25517         (traverse_md_constants): Don't check for a null md_constants.
25518         (decimal_string, handle_enum, traverse_enum_types): New functions.
25519         (read_md_files): Initialize md_constants and md_enums.
25520         * genconstants.c (print_md_constant): Ignore info argument.
25521         Only print constants that belong to no enum.
25522         (print_enum_type): New function.
25523         (main): Don't pass stdout to print_md_constant.  Call print_enum_type
25524         for each defined enum type.
25525         * config/mips/mips.md (processor): New define_enum.
25526         (unspec): New define_c_enum.
25527         (UNSPEC_COMPARE_AND_SWAP, UNSPEC_COMPARE_AND_SWAP_12)
25528         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_NEW_OP_12)
25529         (UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE, UNSPEC_SYNC_EXCHANGE_12)
25530         (UNSPEC_MEMORY_BARRIER): Moved to sync.md.
25531         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
25532         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
25533         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
25534         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
25535         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
25536         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
25537         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
25538         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
25539         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
25540         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
25541         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
25542         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
25543         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
25544         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
25545         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
25546         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
25547         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
25548         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
25549         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
25550         (UNSPEC_RDDSP): Move to mips-dsp.md.
25551         (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH, UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB)
25552         (UNSPEC_ADDUH_R_QB, UNSPEC_APPEND, UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB)
25553         (UNSPEC_CMPGDU_LT_QB, UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH)
25554         (UNSPEC_DPS_W_PH, UNSPEC_MADD, UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU)
25555         (UNSPEC_MUL_PH, UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH)
25556         (UNSPEC_MULQ_S_W, UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU)
25557         (UNSPEC_PRECR_QB_PH, UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W)
25558         (UNSPEC_PREPEND, UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH)
25559         (UNSPEC_SUBU_PH, UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB)
25560         (UNSPEC_ADDQH_PH, UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W)
25561         (UNSPEC_SUBQH_PH, UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W)
25562         (UNSPEC_DPAX_W_PH, UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH)
25563         (UNSPEC_DPAQX_SA_W_PH, UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH):
25564         Moved to mips-dspr2.md.
25565         (UNSPEC_MOVE_TF_PS, UNSPEC_C, UNSPEC_ALNV_PS, UNSPEC_CABS)
25566         (UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS, UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS)
25567         (UNSPEC_ABS_PS, UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1)
25568         (UNSPEC_RECIP2, UNSPEC_SINGLE_CC, UNSPEC_SCC): Move from mips-ps-3d.md.
25569         (UNSPEC_LOONGSON_PAVG, UNSPEC_LOONGSON_PCMPEQ, UNSPEC_LOONGSON_PCMPGT)
25570         (UNSPEC_LOONGSON_PEXTR, UNSPEC_LOONGSON_PINSR_0)
25571         (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
25572         (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
25573         (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
25574         (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
25575         (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
25576         UNSPEC_LOONGSON_PSADBH)
25577         (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
25578         (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
25579         (UNSPEC_LOONGSON_PSUBD): Move to mips-loongson.md.
25580         (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
25581         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
25582         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
25583         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Move to mips-loongson2ef.md.
25584         (cpu): Update comment.
25585         * config/mips/sync.md (UNSPEC_COMPARE_AND_SWAP)
25586         (UNSPEC_COMPARE_AND_SWAP_12, UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP)
25587         (UNSPEC_SYNC_NEW_OP_12, UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE)
25588         (UNSPEC_SYNC_EXCHANGE_12, UNSPEC_MEMORY_BARRIER): Moved from mips.md.
25589         * config/mips/loongson.md (UNSPEC_LOONGSON_PAVG,
25590         UNSPEC_LOONGSON_PCMPEQ)
25591         (UNSPEC_LOONGSON_PCMPGT, UNSPEC_LOONGSON_PEXTR,
25592         UNSPEC_LOONGSON_PINSR_0)
25593         (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
25594         (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
25595         (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
25596         (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
25597         (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
25598         UNSPEC_LOONGSON_PSADBH)
25599         (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
25600         (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
25601         (UNSPEC_LOONGSON_PSUBD): Moved from mips.md
25602         * config/mips/loongson2ef.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
25603         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
25604         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
25605         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Moved from mips.md
25606         * config/mips/mips-dsp.md (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ)
25607         (UNSPEC_SUBQ_S, UNSPEC_ADDSC, UNSPEC_ADDWC, UNSPEC_MODSUB)
25608         (UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S, UNSPEC_PRECRQ_QB_PH)
25609         (UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W, UNSPEC_PRECRQU_S_QB_PH)
25610         (UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR, UNSPEC_PRECEQU_PH_QBL)
25611         (UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA, UNSPEC_PRECEQU_PH_QBRA)
25612         (UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR, UNSPEC_PRECEU_PH_QBLA)
25613         (UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL, UNSPEC_SHLL_S, UNSPEC_SHRL_QB)
25614         (UNSPEC_SHRA_PH, UNSPEC_SHRA_R, UNSPEC_MULEU_S_PH_QBL)
25615         (UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH, UNSPEC_MULEQ_S_W_PHL)
25616         (UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL, UNSPEC_DPAU_H_QBR)
25617         (UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR, UNSPEC_DPAQ_S_W_PH)
25618         (UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH, UNSPEC_DPAQ_SA_L_W)
25619         (UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL, UNSPEC_MAQ_S_W_PHR)
25620         (UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR, UNSPEC_BITREV, UNSPEC_INSV)
25621         (UNSPEC_REPL_QB, UNSPEC_REPL_PH, UNSPEC_CMP_EQ, UNSPEC_CMP_LT)
25622         (UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB, UNSPEC_CMPGU_LT_QB)
25623         (UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH, UNSPEC_EXTR_W)
25624         (UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H, UNSPEC_EXTP)
25625         (UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
25626         (UNSPEC_RDDSP): Moved from mips.md.
25627         * config/mips/mips-dspr2.md (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH)
25628         (UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB, UNSPEC_ADDUH_R_QB, UNSPEC_APPEND)
25629         (UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB, UNSPEC_CMPGDU_LT_QB)
25630         (UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH, UNSPEC_DPS_W_PH, UNSPEC_MADD)
25631         (UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU, UNSPEC_MUL_PH)
25632         (UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH, UNSPEC_MULQ_S_W)
25633         (UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU, UNSPEC_PRECR_QB_PH)
25634         (UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W, UNSPEC_PREPEND)
25635         (UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH, UNSPEC_SUBU_PH)
25636         (UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB, UNSPEC_ADDQH_PH)
25637         (UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W, UNSPEC_SUBQH_PH)
25638         (UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W, UNSPEC_DPAX_W_PH)
25639         (UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH, UNSPEC_DPAQX_SA_W_PH)
25640         (UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH): Moved from mips.md.
25641         * config/mips/mips-ps-3d.md (UNSPEC_MOVE_TF_PS, UNSPEC_C)
25642         (UNSPEC_ALNV_PS, UNSPEC_CABS, UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS)
25643         (UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS, UNSPEC_ABS_PS, UNSPEC_RSQRT1)
25644         (UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2, UNSPEC_SINGLE_CC)
25645         (UNSPEC_SCC): Moved from mips.md.
25646         * config/mips/mips.c (mips_arch, mips_tune): Change enum from
25647         "processor_type" to "processor".
25648         (mips_rtx_cost_data): Replace PROCESSOR_MAX with NUM_PROCESSOR_VALUES.
25649         * config/mips/mips.h (processor_type): Delete.
25650         (mips_cpu_info.cpu, mips_arch, mips_tune): Change enum from
25651         "processor_type" to "processor".
25652
25653 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25654
25655         * configure.ac (tm_include_list): Add insn-constants.h.
25656         * configure: Regenerate.
25657         * Makefile.in (GTM_H): Move insn-constants.h here from...
25658         (TM_H): ...here.
25659         * mkconfig.sh: Remove special handling for insn-constants.h.
25660
25661 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25662
25663         * Makefile.in (BUILD_RTL): Move build/read-md.o to...
25664         (BUILD_MD): ...this new variable.
25665         (simple_generated_rtl_h, simple_generated_rtl_c): New variables
25666         that include the old contents of simple_generated_h and
25667         simple_generated_c.
25668         (simple_generated_h, simple_generated_c): Include them.  Add
25669         insn-constants.h.
25670         (s-%): Make simple_generated_{h,c} stamps depend on $(MD_DEPS)
25671         and simple_generated_rtl_{h,c} stamps depend on insn-conditions.md.
25672         Remove these dependencies from the main rule and include
25673         insn-conditions.md in the command line only if it appears
25674         in the dependency list.
25675         (insn-constants.h, s-constants): Delete.
25676         (build/genconstants.o): Don't depend on $(RTL_BASE_H), $(GTM_H)
25677         or gensupport.h.
25678         (build/genmddeps.o): Likewise.
25679         (genprogrtl): New variable that contains everything from genprogmd
25680         except mddeps and constants.
25681         (genprogmd): Redefine in terms of genprogrtl.  Make these programs
25682         depend on $(BUILD_MD)
25683         (genprog): New variable.  Make these programs depend on
25684         $(BUILD_ERRORS).
25685         * genmddeps.c: Don't include tm.h, rtl.h or gensupport.h.
25686         (main): Use read_md_files instead of init_rtx_reader_args.
25687         * genconstants.c: As for genmddeps.c.
25688         * read-md.h (read_skip_construct): Declare.
25689         * read-md.c (read_skip_construct): New function.
25690         (handle_file): Allow a null handle_directive, skipping the
25691         construct if so.
25692         (parse_include): Update the comment accordingly.
25693
25694 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25695
25696         * Makefile.in (build/genmddeps.o): Depend on $(READ_MD_H).
25697         * genmddeps.c: Include read-md.h.
25698         (main): Call init_rtx_reader_args instead of init_md_reader_args.
25699         * genattr.c (main): Likewise.
25700         * genattrtab.c (main): Likewise.
25701         * genautomata.c (main): Likewise.
25702         * gencodes.c (main): Likewise.
25703         * genconditions.c (main): Likewise.
25704         * genconfig.c (main): Likewise.
25705         * genconstants.c (main): Likewise.
25706         * genemit.c (main): Likewise.
25707         * genextract.c (main): Likewise.
25708         * genflags.c (main): Likewise.
25709         * genopinit.c (main): Likewise.
25710         * genoutput.c (main): Likewise.
25711         * genpeep.c (main): Likewise.
25712         * genrecog.c (main): Likewise.
25713         * genpreds.c (main): Likewise.
25714         * gensupport.h (in_fname): Move to read-md.h.
25715         (init_md_reader_args_cb): Rename to...
25716         (init_rtx_reader_args_cb): ...this and return a bool.
25717         (init_md_reader_args): Rename to...
25718         (init_rtx_reader_args): ...this and return a bool.
25719         (include_callback): Move to read-md.h.
25720         * gensupport.c (in_fname, include_callback, base_dir, max_include_len)
25721         (file_name_list, first_dir_md_include): Move to read-md.c
25722         (first_bracket_include): Delete unused variable.
25723         (last_dir_md_include): Move to read-md.c.
25724         (process_include): Delete, moving code to read-md.c:handle_include.
25725         (process_rtx): Don't handle INCLUDE.
25726         (save_string): Delete.
25727         (rtx_handle_directive): New function.
25728         (init_md_reader_args_cb): Rename to...
25729         (init_rtx_reader_args_cb): ...this and return a boolean success value.
25730         Use read_md_args.
25731         (init_md_reader_args): Rename to...
25732         (init_rtx_reader_args): ...this and return a boolean success value.
25733         * rtl.def (INCLUDE): Delete.
25734         * rtl.h (read_rtx): Remove "int *" argument.  Add "const char *"
25735         argument.
25736         * read-rtl.c (read_conditions): Don't gobble ')' here.
25737         (read_mapping): Likewise.
25738         (read_rtx): Remove LINENO argument.  Add RTX_NAME argument.
25739         Handle top-level non-rtx constructs here rather than in read_rtx_1.
25740         Store the whole queue in *X.  Remove call to init_md_reader.
25741         (read_rtx_1): Rename to...
25742         (read_rtx_code): ...this.  Call read_nested_rtx to read subrtxes.
25743         Don't handle top-level non-rtx constructs here.  Don't handle (nil)
25744         here.
25745         (read_nested_rtx): New function.  Handle (nil) here rather than
25746         in read_rtx_code.
25747         (read_rtx_variadic): Call read_nested_rtx to read subrtxes.  Don't
25748         gobble ')' here.
25749         * read-md.h (directive_handler_t): New type.
25750         (in_fname, include_callback): Moved from read-md.h.
25751         (read_constants, init_md_reader): Delete.
25752         (read_md_files): Declare.
25753         * read-md.c (file_name_list, in_fname, base_dir, first_dir_md_include)
25754         (last_dir_md_include_ptr, include_callback, max_include_len): Moved
25755         from gensupport.c.
25756         (read_constants): Rename to...
25757         (handle_constants): ...this.  Don't gobble ')' here.
25758         (handle_include, handle_file, handle_toplevel_file)
25759         (parse_include): New functions, mostly taken from gensupport.c.
25760         (init_md_reader): Subsume into...
25761         (read_md_files): ...this new function.
25762
25763 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25764
25765         * read-md.h (read_char): Increment read_md_lineno after reading '\n'.
25766         (unread_char): Decrement read_md_lineno after putting back '\n'.
25767         * read-md.c (fatal_with_file_and_line): Push back any characters
25768         that we decide not to add to the context.
25769         (read_skip_spaces): Don't increment read_md_lineno here.  Avoid using
25770         fatal_expected_char in cases where '/' ends a line (for example).
25771         (read_name): Don't increment read_md_lineno here.
25772         (read_escape): Likewise.
25773         (read_quoted_string): Likewise.
25774         (read_braced_string): Likewise.
25775
25776 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25777
25778         * Makefile.in (READ_MD_H): Add $(HASHTAB_H).
25779         (build/genconstants.o): Depend on $(READ_MD_H) gensupport.h.
25780         * genconstants.c: Include read-md.h.
25781         * read-rtl.c (md_constants): Move to read-md.c.
25782         (md_name): Move to read-md.h.
25783         (initialize_iterators): Use leading_string_hash instead of def_hash
25784         and leading_string_eq_p instead of def_name_eq_p.
25785         (read_name): Move to read-md.c.
25786         (def_hash, def_name_eq_p): Delete.
25787         (read_constants, traverse_md_constants): Move to read-md.c.
25788         * rtl.h (md_constant, traverse_md_constants): Move to read-md.h.
25789         * read-md.h: Include hashtab.h.
25790         (md_name): Moved from read-rtl.c.
25791         (md_constant): Moved from read-md.h.
25792         (leading_string_hash, leading_string_eq_p, read_name)
25793         (read_constants, traverse_md_constants): Declare.
25794         * read-md.c (md_constants): Moved from read-rtl.c.
25795         (leading_string_hash, leading_string_eq_p): New functions.
25796         (read_name, read_constants, traverse_md_constants): Moved from
25797         read-rtl.c.
25798
25799 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25800
25801         * read-rtl.c (md_name): New structure.
25802         (read_name): Take an md_name instead of a buffer pointer.
25803         Use the "string" field instead of strcpy when expanding constants.
25804         (read_constants): Remove the tmp_char argument.  Update the calls
25805         to read_name, using two local name buffers instead of the tmp_char
25806         argument.  Merge the constant-creation code.
25807         (read_conditions): Remove the tmp_char argument.  Update the calls
25808         to read_name, using a local name buffer instead of the tmp_char
25809         argument.
25810         (read_mapping): Replace tmp_char variable with a local name buffer.
25811         Update the calls to read_name.
25812         (read_rtx_1): Likewise.  Update the calls to read_constants and
25813         read_conditions.
25814
25815 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25816
25817         * Makefile.in (build/read-md.o): Depend on errors.h.
25818         * read-md.h (error_with_line): Declare.
25819         * read-md.c: Include errors.h.
25820         (message_with_line_1): New function, extracted from...
25821         (message_with_line): ...here.
25822         (error_with_line): New function.
25823         * genattrtab.c: If a call to message_with_line is followed by
25824         "have_error = 1;", replace both statements with a call to
25825         error_with_line.
25826         * genoutput.c: Likewise.
25827         * genpreds.c: Likewise.
25828         * genrecog.c: If a call to message_with_line is followed by
25829         "error_count++;", replace both statements with a call to
25830         error_with_line.
25831         (errorcount): Delete.
25832         (main): Don't check it.
25833         * gensupport.c: If a call to message_with_line is followed by
25834         "errors = 1;", replace both statements with a call to error_with_line.
25835         (errors): Delete.
25836         (process_define_cond_exec): Check have_error instead of errors.
25837         (init_md_reader_args_cb): Likewise.  Don't set errors.
25838
25839 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25840
25841         * read-md.h (read_md_file): Declare.
25842         (read_char, unread_char): New functions.
25843         (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
25844         (read_quoted_string, read_string): Remove FILE * argument.
25845         * read-md.c (read_md_file): New variable.
25846         (read_md_filename, read_md_lineno): Update comments and remove
25847         unnecessary initialization.
25848         (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
25849         (read_escape, read_quoted_string, read_braced_string, read_string):
25850         Remove FILE * argument.  Update calls accordingly, using read_char
25851         and unread_char instead of getc and ungetc.
25852         * rtl.h (read_rtx): Remove FILE * argument.
25853         * read-rtl.c (iterator_group): Remove FILE * argument from
25854         "find_builtin".
25855         (iterator_traverse_data): Remove "infile" field.
25856         (find_mode, find_code, apply_mode_maps, apply_iterator_to_rtx)
25857         (add_mapping, read_name, read_constants, read_conditions)
25858         (validate_const_int, find_iterator, read_mapping, check_code_iterator)
25859         (read_rtx, read_rtx_1, read_rtx_variadic): Remove FILE * argument.
25860         Remove file arguments from all calls, using read_char and unread_char
25861         instead of getc and ungetc.
25862         * gensupport.c (process_include): Preserve read_md_file around
25863         the include.  Set read_md_file to the handle of the included file.
25864         Update call to read_rtx.
25865         (init_md_reader_args_cb): Set read_md_file to the handle of the file
25866         and remove local FILE *.  Update calls to read_rtx.
25867
25868 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25869
25870         * read-md.h (read_rtx_lineno): Rename to...
25871         (read_md_lineno): ...this.
25872         (read_rtx_filename): Rename to...
25873         (read_md_filename): ...this.
25874         (copy_rtx_ptr_loc): Rename to...
25875         (copy_md_ptr_loc): ...this.
25876         (print_rtx_ptr_loc): Rename to...
25877         (print_md_ptr_loc): ...this.
25878         * read-md.c: Likewise.  Update references after renaming.
25879         (string_obstack): Replace RTL with MD in comment.
25880         (set_rtx_ptr_loc): Rename to...
25881         (set_md_ptr_loc): ...this.
25882         (get_rtx_ptr_loc): Rename to...
25883         (get_md_ptr_loc): ...this.
25884         * genconditions.c: Update references after renaming.
25885         * genemit.c: Likewise.
25886         * genoutput.c: Likewise.
25887         * genpreds.c: Likewise.
25888         * gensupport.c: Likewise.
25889         * read-rtl.c: Likewise.
25890
25891 2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>
25892
25893         * Makefile.in (READ_MD_H): New variable.
25894         (BUILD_RTL): Add build/read-md.o.
25895         (lto-wrapper.o): Depend on coretypes.h instead of defaults.h.
25896         (build/gensupport.o, build/read-rtl.o, build/genattr.o)
25897         (build/genattrtab.o, build/genconditions.o build/genemit.o)
25898         (build/genextract.o, build/genflags.o, build/genoutput.o)
25899         (build/genpreds.o, build/genrecog.o): Depend on $(READ_MD_H).
25900         (build/read-md.o): New rule.
25901         * defaults.h (obstack_chunk_alloc, obstack_chunk_free)
25902         (OBSTACK_CHUNK_SIZE, gcc_obstack_init): Move to...
25903         * coretypes.h: ...here.
25904         * lto-wrapper.c: Include coretypes.h instead of defaults.h.
25905         * pretty-print.c (obstack_chunk_alloc, obstack_chunk_free): Delete.
25906         * genattr.c: Include read-md.h.
25907         * genattrtab.c: Likewise.
25908         * genconditions.c: Likewise.
25909         * genemit.c: Likewise.
25910         * genextract.c: Likewise.
25911         * genflags.c: Likewise.
25912         * genoutput.c: Likewise.
25913         * genpreds.c: Likewise.
25914         * genrecog.c: Likewise.
25915         * rtl.h (read_skip_spaces, copy_rtx_ptr_loc, print_rtx_ptr_loc)
25916         (join_c_conditions, print_c_condition, read_rtx_filename)
25917         (read_rtx_lineno): Move to read-md.h.
25918         * read-rtl.c: Include read-md.h.
25919         (ptr_loc, string_obstack, ptr_locs, ptr_loc_obstack)
25920         (joined_conditions, joined_conditions_obstack, read_rtx_lineno)
25921         (read_rtx_filename, fatal_with_file_and_line, fatal_expected_char)
25922         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc, get_rtx_ptr_loc)
25923         (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
25924         (print_c_condition, read_skip_spaces, read_escape, read_quoted_string)
25925         (read_braced_string, read_string): Move to read-md.c.
25926         (read_rtx): Move some initialization to init_md_reader and call
25927         init_md_reader here.
25928         * gensupport.h (message_with_line, n_comma_elts, scan_comma_elt):
25929         Move to read-md.h.
25930         * gensupport.c: Include read-md.h.
25931         (message_with_line, n_comma_elts, scan_comma_elt): Move to read-md.c.
25932         * read-md.h, read-md.c: New files.
25933
25934 2010-06-10  Anatoly Sokolov  <aesok@post.ru>
25935
25936         * config/moxie/moxie.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
25937         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
25938         * config/moxie/moxie-protos.h (moxie_function_value): Remove.
25939         * config/moxie/moxie.c (moxie_function_value): Make static.
25940         (moxie_libcall_value, moxie_function_value_regno_p): New functions.
25941         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
25942
25943 2010-06-10  Martin Jambor  <mjambor@suse.cz>
25944
25945         * Makefile.in (tree-sra.o): Add DBGCNT_H to dependencies.
25946         * dbgcnt.def (tree_sra): New counter.
25947         * tree-sra.c: Include dbgcnt.h.
25948         (gate_intra_sra): Check tree_sra debug counter.
25949
25950 2010-06-10  Martin Jambor  <mjambor@suse.cz>
25951
25952         PR tree-optimization/44258
25953         * tree-sra.c (build_access_subtree): Return false iff there is a
25954         partial overlap.
25955         (build_access_trees): Likewise.
25956         (analyze_all_variable_accesses): Disqualify candidates if
25957         build_access_trees returns true for them.
25958
25959 2010-06-10  Alexandre Oliva  <aoliva@redhat.com>
25960
25961         PR debug/41371
25962         * var-tracking.c (find_loc_in_1pdv): Remove recursion, only
25963         tail-recurse into canonical node.  Fast-forward over
25964         non-canonical VALUEs.
25965
25966 2010-06-10  H.J. Lu  <hongjiu.lu@intel.com>
25967
25968         PR boostrap/44470
25969         * config/i386/i386.md (*add<mode>_1): Revert revision 160394.
25970         (*addsi_1_zext) <TYPE_LEA>: Likewise.
25971         (add lea splitter): Likewise.
25972         (add_zext lea splitter): Likewise.
25973
25974 2010-06-10  Joseph Myers  <joseph@codesourcery.com>
25975
25976         * common.opt (fshow-column): Don't mark as C ObjC C++ ObjC++.
25977
25978 2010-06-10  Jan Hubicka  <jh@suse.cz>
25979
25980         * df-problems.c (df_live_problem_data): Add live_bitmaps.
25981         (df_live_alloc): Initialize problem data and live_osbtacks.
25982         (df_live_finalize): Remove obstack, problem data; do not
25983         clear all bitmaps.
25984         (df_live_top_dump, df_live_bottom_dump): Do not dump old
25985         data when not allocated.
25986         (df_live_verify_solution_start): Do not allocate problem data.
25987         (df_live_verify_solution_end): Check if out is allocated.
25988         (struct df_md_problem_data): New structure.
25989         (df_md_alloc): Allocate problem data.
25990         (df_md_free): Free problem data; do not clear bitmaps.
25991
25992 2010-06-10  Jan Beulich  <jbeulich@novell.com>
25993
25994         PR bootstrap/37304
25995         * configure.ac: Replace $() with ${} when intending to expand
25996         variables rather than invoking commands.
25997         * configure: Re-generate.
25998
25999 2010-06-10  Jan Hubicka  <jh@suse.cz>
26000
26001         PR rtl-optimization/44460
26002         * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove
26003         TYPE_NEEDS_CONSTRUCTING sanity check.
26004
26005 2010-06-10  Gerald Pfeifer  <gerald@pfeifer.com>
26006
26007         * doc/include/fdl.texi: Move to GFDL version 1.3.
26008
26009         * doc/cpp.texi: Move to GFDL version 1.3.
26010         * doc/gcc.texi: Move to GFDL version 1.3.  Fix copyright years.
26011         * doc/gccint.texi: Move to GFDL version 1.3.
26012         * doc/gcov.texi: Move to GFDL version 1.3.  Update copyright years.
26013         * doc/install.texi: Move to GFDL version 1.3.  Fix copyright years.
26014         * doc/invoke.texi: Move to GFDL version 1.3.
26015
26016 2010-06-09  Jan Hubicka  <jh@suse.cz>
26017
26018         * ipa-pure-const.c (propagate_pure_const, propagate_noreturn):
26019         Break out from ...
26020         (propagate) ... here; swap the order.
26021
26022 2010-06-09  Jan Hubicka  <jh@suse.cz>
26023
26024         * bitmap.c (bitmap_elt_insert_after, bitmap_first_set_bit,
26025         bitmap_first_set_bit, bitmap_last_set_bit, bitmap_last_set_bit,
26026         bitmap_and_into, bitmap_and_compl_into, bitmap_set_range,
26027         bitmap_compl_and_into, bitmap_elt_ior): Use checking asserts.
26028
26029 2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>
26030
26031         * tree-ssa-loop-prefetch.c (gather_memory_references_ref):
26032         Do not the gather memory reference in the outer loop if the step
26033         is not a constant.
26034
26035 2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>
26036
26037         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO) :
26038         Change the PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO threshold value from
26039         8 to 4.  Minor change of the related comments.
26040
26041 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
26042
26043         * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
26044         the scev analysis when the variable is not used outside the loop
26045         in a close phi node: call compute_overall_effect_of_inner_loop.
26046
26047 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
26048
26049         * graphite-sese-to-poly.c (single_pred_cond): Renamed
26050         single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
26051         (build_sese_conditions_before): Renamed call to single_pred_cond.
26052         (build_sese_conditions_after): Same.
26053
26054 2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>
26055
26056         * graphite-poly.h: Fix comments and indentation.
26057         * graphite-sese-to-poly.c: Same.
26058         (build_sese_conditions_before): Compute stmt and gbb only when needed.
26059         * tree-chrec.c: Fix comments and indentation.
26060         (tree-ssa-loop-niter.c): Same.
26061
26062 2010-06-09  Eric Botcazou  <ebotcazou@adacore.com>
26063
26064         PR rtl-optimization/42461
26065         * dce.c (deletable_insn_p): Return true for const or pure calls again.
26066         * except.c (insn_could_throw_p): Return false if !flag_exceptions.
26067
26068 2010-06-09  Jan Hubicka  <jh@suse.cz>
26069
26070         * bitmap.c (bitmap_and): Walk array forward.
26071         (bitmap_and_compl_into): Likewise.
26072         (bitmap_xor): Likewise.
26073         (bitmap_xor_into):  Likewise.
26074         (bitmap_equal_p): Likewise.
26075         (bitmap_intersect_p): Likewise.
26076         (bitmap_intersect_compl_p): Likewise.
26077         (bitmap_ior_and_into): Likewise.
26078         (bitmap_elt_copy): Likewise.
26079         (bitmap_and_compl): Likewise.
26080         (bitmap_elt_ior): Likewise.
26081
26082 2010-06-09  Dave Korn  <dave.korn.cygwin@gmail.com>
26083
26084         * opts-common.c (prune_options): Ensure replacement argv array
26085         is correctly terminated by a NULL entry.
26086
26087 2010-06-09  Jan Hubicka  <jh@suse.cz>
26088
26089         * cgraph.h (varpool_first_static_initializer,
26090         varpool_next_static_initializer): Make checking only when
26091         checking enabled.
26092         * tree-vectorizer.h (vinfo_for_stmt): Remove check.
26093         (set_vinfo_for_stmt, get_earlier_stmt, is_loop_header_bb_p): Change
26094         gcc_assert to gcc_checking_assert.
26095         * tree-flow-inline.h (gimple_vop, get_var_ann, relink_imm_use,
26096         phi_nodes, set_phi_nodes, phi_arg_index_from_use, op_iter_next_use,
26097         op_iter_next_def, op_iter_next_tree, op_iter_init, op_iter_init_use,
26098         op_iter_init_phiuse, op_iter_init_phidef,
26099         array_ref_contains_indirect_ref, ref_contains_array_ref): Use
26100         gcc_checking_assert.
26101         * emit-rtl.h (set_first_insn, set_last_insn): Likewise.
26102         * tree-ssa-live.h (var_to_partition, var_to_partition_to_var,
26103         partition_is_global, live_on_entry, live_on_exit,
26104         live_merge_and_clear): Likewise.
26105         * system.h (gcc_checking_assert): New macro.
26106         * gimple.h (set_bb_seq): Use gcc_checking_assert.
26107
26108 2010-06-09  Jason Merrill  <jason@redhat.com>
26109
26110         * Makefile.in (TAGS): Collect tags info from c-family.
26111
26112 2010-06-09  Jan Hubicka  <jh@suse.cz>
26113
26114         * gimple.h (gcc_gimple_checking_assert): New macro.
26115         (gimple_set_def_ops, gimple_set_use_ops,
26116         gimple_set_vuse, gimple_set_vdef,
26117         gimple_omp_subcode, gimple_omp_set_subcode, gimple_ops, gimple_op,
26118         gimple_op_ptr, gimple_op_ptr, gimple_set_op, gimple_bind_set_block,
26119         gimple_asm_input_op, gimple_asm_input_op_ptr, gimple_asm_set_input_op,
26120         gimple_asm_output_op, gimple_asm_output_op_ptr,
26121         gimple_asm_set_output_op, gimple_asm_clobber_op,
26122         gimple_asm_set_clobber_op, gimple_asm_label_op,
26123         gimple_asm_set_label_op, gimple_try_set_kind,
26124         gimple_try_catch_is_cleanup, gimple_try_set_catch_is_cleanup,
26125         gimple_phi_arg, gimple_switch_num_labels, gimple_switch_set_index,
26126         gimple_switch_label, gimple_switch_set_label, gimple_omp_for_index,
26127         gimple_omp_for_index_ptr, gimple_omp_for_set_index,
26128         gimple_omp_for_initial, gimple_omp_for_initial_ptr,
26129         gimple_omp_for_set_initial, gimple_omp_for_final,
26130         gimple_omp_for_final_ptr, gimple_omp_for_set_final,
26131         gimple_omp_for_incr, gimple_omp_for_incr_ptr, gimple_omp_for_set_incr,
26132         gimple_omp_for_set_cond, gimple_omp_for_cond): Make checking
26133         conditional with ENABLE_GIMPLE_CHECKING.
26134         (gimple_phi_set_arg): Likewise; replace memcpy by assignment.
26135
26136 2010-06-09  Sandra Loosemore  <sandra@codesourcery.com>
26137
26138         * tree-ssa-loop-ivopts.c (adjust_setup_cost): New function.
26139         (get_computation_cost_at): Use it.
26140         (determine_use_iv_cost_condition): Likewise.
26141         (determine_iv_cost): Likewise.
26142
26143 2010-06-09  Richard Guenther  <rguenther@suse.de>
26144
26145         * tree-ssa-loop-niter.c (simplify_replace_tree): Do not
26146         replace constants.
26147
26148 2010-06-09  Kai Tietz  <kai.tietz@onevision.com>
26149
26150         * c-objc-common.c (c_tree_printer): Pre-intialize t by NULL_TREE.
26151
26152 2010-06-09  Martin Jambor  <mjambor@suse.cz>
26153
26154         PR tree-optimization/44423
26155         * tree-sra.c (dump_access): Dump also grp_assignment_read.
26156         (analyze_access_subtree): Pass negative allow_replacements to children
26157         if the current type is scalar.
26158
26159 2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>
26160
26161         PR testsuite/42843
26162         * gcc-plugin.h (int plugin_is_GPL_compatible): Declare as extern "C".
26163         * doc/plugins.texi (Plugin license check): Update information
26164         on type of plugin_is_GPL_compatible.
26165         * Makefile.in (PLUGINCC): Define as $(COMPILER).
26166         (PLUGINCFLAGS): Define as $(COMPILER_FLAGS).
26167
26168 2010-06-09  Bernd Schmidt  <bernds@codesourcery.com>
26169
26170         * config/arm/arm.c (thumb2_reorg): New function.
26171         (arm_reorg): Call it.
26172         * config/arm/thumb2.md (define_peephole2 for flag clobbering
26173         arithmetic operations): Delete.
26174
26175 2010-06-09  Edmar Wienskoski  <edmar@freescale.com>
26176
26177         PR target/44067
26178         * config/rs6000/rs6000.md (DIFD): Do not split dpfp values for
26179         e500v2 target.
26180
26181 2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>
26182
26183         PR plugins/44459
26184         * gcc-plugin.h: Encapsulate all declarations in extern "C".
26185
26186 2010-06-08  Jan Hubicka  <jh@suse.cz>
26187
26188         * basic-block.h (single_succ_edge, single_pred_edge, ei_container,
26189         ei_next, ei_prev): Do sanity checking with ENABLE_CHECKING only.
26190
26191 2010-06-08  Sandra Loosemore  <sandra@codesourcery.com>
26192
26193         PR tree-optimization/39874
26194         PR middle-end/28685
26195         * gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons):
26196         Declare.
26197         * gimple-fold.c (canonicalize_bool, same_bool_comparison_p,
26198         same_bool_result_p): New.
26199         (and_var_with_comparison, and_var_with_comparison_1,
26200         and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New.
26201         (or_var_with_comparison, or_var_with_comparison_1,
26202         or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New.
26203         * tree-ssa-reassoc.c (eliminate_redundant_comparison): Use
26204         maybe_fold_and_comparisons or maybe_fold_or_comparisons instead
26205         of combine_comparisons.
26206         * tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise.
26207
26208 2010-06-08  Anatoly Sokolov  <aesok@post.ru>
26209
26210         * config/pdp11/pdp11.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
26211         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
26212         * config/pdp11/pdp11.c (pdp11_function_value, pdp11_libcall_value,
26213         pdp11_function_value_regno_p): New functions.
26214         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
26215         TARGET_FUNCTION_VALUE_REGNO_P): Define.
26216
26217 2010-06-08  Kazu Hirata  <kazu@codesourcery.com>
26218
26219         * config/arm/arm.c (arm_rtx_costs_1): Don't special case for
26220         Thumb-2 in the MINUS case.
26221
26222 2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
26223
26224         * doc/tm.texi (Per-Function Data): Do not reference ggc_alloc.
26225
26226         * doc/gty.texi (GTY Options): Document typed GC allocation and
26227         variable_size GTY option.
26228
26229         * ggc-internal.h: New.
26230
26231         * ggc.h: Update copyright year.
26232         (digit_string): Move to stringpool.c.
26233         (ggc_mark_stringpool, ggc_purge_stringpool, ggc_mark_roots)
26234         (gt_pch_save_stringpool, gt_pch_fixup_stringpool)
26235         (gt_pach_restore_stringpool, gt_pch_p_S, gt_pch_note_object)
26236         (init_ggc_pch, ggc_pch_count_object, ggc_pch_total_size)
26237         (ggc_pch_this_base, ggc_pch_alloc_object, ggc_pch_prepare_write)
26238         (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read)
26239         (ggc_force_collect, ggc_get_size, ggc_statistics)
26240         (ggc_print_common_statistics): Move to ggc-internal.h.
26241         (digit_vector, new_ggc_zone, destroy_ggc_zone, ggc_alloc_stat)
26242         (ggc_alloc, ggc_alloc_cleared, ggc_realloc, ggc_calloc, GGC_NEW)
26243         (GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR, ggc_alloc_rtvec)
26244         (ggc_alloc_tree, gt_pch_save, ggc_min_expand_heuristic)
26245         (ggc_min_heapsize_heuristic, ggc_alloc_zone)
26246         (ggc_alloc_zone_pass_stat): Remove.
26247         (ggc_internal_alloc_stat, ggc_internal_alloc)
26248         (ggc_internal_cleared_alloc_stat): New.
26249         (GGC_RESIZEVEC, GGC_RESIZEVAR): Redefine.
26250         (ggc_internal_vec_alloc_stat)
26251         (ggc_internal_cleared_vec_alloc_stat)
26252         (ggc_internal_vec_alloc_stat, ggc_internal_cleared_vec_alloc)
26253         (ggc_alloc_atomic_stat, ggc_alloc_atomic)
26254         (ggc_alloc_cleared_atomic, ggc_cleared_alloc_htab_ignore_args)
26255         (ggc_cleared_alloc_ptr_array_two_args): New.
26256         (htab_create_ggc, splay_tree_new_ggc): Redefine.
26257         (ggc_splay_alloc): Change the type of the first argument to
26258         enum gt_types_enum.
26259         (ggc_alloc_string): Make macro.
26260         (ggc_alloc_string_stat): New.
26261         (ggc_strdup): Redefine.
26262         (rtl_zone, tree_zone, tree_id_zone): Declare unconditionally.
26263         (ggc_alloc_rtvec_sized): New.
26264         (ggc_alloc_zone_stat): Rename to ggc_internal_alloc_zone_stat.
26265         (ggc_internal_alloc_zone_pass_stat, ggc_internal_alloc_zone_stat)
26266         (ggc_internal_cleared_alloc_zone_stat)
26267         (ggc_internal_zone_alloc_stat)
26268         (ggc_internal_zone_cleared_alloc_stat)
26269         (ggc_internal_zone_vec_alloc_stat)
26270         (ggc_alloc_zone_rtx_def_stat)
26271         (ggc_alloc_zone_tree_node_stat)
26272         (ggc_alloc_zone_cleared_tree_node_stat)
26273         (ggc_alloc_cleared_gimple_statement_d_stat): New.
26274
26275         * ggc-common.c: Include ggc-internal.h.
26276         (ggc_internal_cleared_alloc_stat): Rename from
26277         ggc_alloc_cleared_stat.
26278         (ggc_realloc_stat): Use ggc_internal_alloc_stat.
26279         (ggc_calloc): Remove.
26280         (ggc_cleared_alloc_htab_ignore_args): New.
26281         (ggc_cleared_alloc_ptr_array_two_args): New.
26282         (ggc_splay_alloc): Add obj_type parameter.
26283         (init_ggc_heuristics): Formatting fixes.
26284
26285         * ggc-none.c: Update copyright year.
26286         (ggc_alloc_stat): Rename to ggc_alloc_stat.
26287         (ggc_alloc_cleared_stat): Rename to
26288         ggc_internal_cleared_alloc_stat.
26289         (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.
26290
26291         * ggc-page.c: Update copyright year.  Include ggc-internal.h.
26292         Remove references to ggc_alloc in comments.
26293         (ggc_alloc_typed_stat): Call ggc_internal_alloc_stat.
26294         (ggc_alloc_stat): Rename to ggc_internal_alloc_stat.
26295         (new_ggc_zone, destroy_ggc_zone): Remove.
26296         (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.
26297
26298         * ggc-zone.c: Include ggc-internal.h.  Remove references to
26299         ggc_alloc in comments.
26300         (ggc_alloc_zone_stat): ggc_internal_alloc_zone_stat.
26301         (ggc_internal_alloc_zone_pass_stat): New.
26302         (ggc_internal_cleared_alloc_zone_stat): New.
26303         (ggc_alloc_typed_stat): Use ggc_internal_alloc_zone_pass_stat.
26304         (ggc_alloc_stat): Rename ggc_internal_alloc_stat.
26305         (new_ggc_zone, destroy_ggc_zone): Remove.
26306
26307         * stringpool.c: Update copyright year.  Include ggc-internal.h
26308         (digit_vector): Make static.
26309         (digit_string): Moved from ggc.h.
26310         (stringpool_ggc_alloc): Use ggc_alloc_atomic.
26311         (ggc_alloc_string): Rename to ggc_alloc_string_stat.
26312
26313         * Makefile.in (GGC_INTERNAL_H): New.
26314         (ggc_common.o, ggc-page.o, ggc-zone.o, stringpool.o): Add
26315         $(GGC_INTERNAL_H) to dependencies.
26316
26317         * gengtype.c: Update copyright year.
26318         (walk_type): Accept variable_size GTY option.
26319         (USED_BY_TYPED_GC_P): New macro.
26320         (write_enum_defn): Use USED_BY_TYPED_GC_P.  Do not output
26321         whitespace at the end of strings.
26322         (get_type_specifier, variable_size_p): New functions.
26323         (alloc_quantity, alloc_zone): New enums.
26324         (write_typed_alloc_def): New function.
26325         (write_typed_struct_alloc_def): Likewise.
26326         (write_typed_typed_typedef_alloc_def): Likewise.
26327         (write_typed_alloc_defns): Likewise.
26328         (output_typename, write_splay_tree_allocator_def): Likewise.
26329         (write_splay_tree_allocators): Likewise.
26330         (main): Call write_typed_alloc_defns and
26331         write_splay_tree_allocators.
26332
26333         * lto-streamer.h (lto_file_decl_data_ptr): New.
26334
26335         * passes.c (order): Define using cgraph_node_ptr.
26336
26337         * strinpool.c (struct string_pool_data): Declare nested_ptr using
26338         ht_identifier_ptr.
26339
26340         * gimple.h (union gimple_statement_d): Likewise.
26341
26342         * rtl.h (struct rtx_def): Likewise.
26343         (struct rtvec_def): Likewise.
26344
26345         * tree.h (union tree_node): Likewise.
26346
26347         * tree-ssa-operands.h (struct ssa_operand_memory_d): Likewise.
26348
26349         * cfgloop.c (record_loop_exits): Use htab_create_ggc.
26350
26351         * tree-scalar-evolution.c (scev_initialize): Likewise.
26352
26353         * alias.c (record_alias_subset): Update splay_tree_new_ggc call.
26354
26355         * dwarf2asm.c (dw2_force_const_mem): Likewise.
26356
26357         * omp-low.c (lower_omp_critical): Likewise.
26358
26359         * bitmap.h (struct bitmap_head_def): Update comment to not
26360         reference ggc_alloc.
26361
26362         * config/pa/pa.c (get_deferred_label): Use GGC_RESIZEVEC.
26363
26364         * ira.c (fix_reg_equiv_init): Use GGC_RESIZEVEC.
26365
26366         * ipa-prop.c (duplicate_ggc_array): Rename to
26367         duplicate_ipa_jump_func_array.  Use typed GC allocation.
26368         (ipa_edge_duplication_hook): Call duplicate_ipa_jump_func_array.
26369
26370         * gimple.c (gimple_alloc_stat): Use
26371         ggc_alloc_cleared_gimple_statement_d_stat.
26372
26373         * varasm.c (create_block_symbol): Use ggc_alloc_zone_rtx_def.
26374
26375         * tree.c (make_node_stat): Use
26376         ggc_alloc_zone_cleared_tree_node_stat.
26377         (make_tree_vec_stat): Likewise.
26378         (build_vl_exp_stat): Likewise.
26379         (copy_node_stat): Use ggc_alloc_zone_tree_node_stat.
26380         (make_tree_binfo_stat): Likewise.
26381         (tree_cons_stat): Likewise.
26382
26383         * rtl.c (rtx_alloc_stat): Use ggc_alloc_zone_rtx_def_stat.
26384         (shallow_copy_rtx_stat): Likewise.
26385         (make_node_stat): Likewise.
26386
26387         * lto-symtab.c: Fix comment.
26388
26389         * tree-cfg.c (create_bb): Update comment to not reference
26390         ggc_alloc_cleared.
26391         * tree-ssa-structalias.c (struct heapvar_for_stmt): Fix param_is value.
26392
26393         * varpool.c (varpool_node): Use typed GC allocation.
26394         (varpool_extra_name_alias): Likewise.
26395
26396         * varasm.c (emutls_decl): Likewise.
26397         (get_unnamed_section): Likewise.
26398         (get_noswitch_section): Likewise.
26399         (get_section): Likewise.
26400         (get_block_for_section): Likewise.
26401         (build_constant_desc): Likewise.
26402         (create_constant_pool): Likewise.
26403         (force_const_mem): Likewise.
26404
26405         * tree.c (build_vl_exp_stat): Likewise.
26406         (build_real): Likewise.
26407         (build_string): Likewise.
26408         (decl_debug_expr_insert): Likewise.
26409         (decl_value_expr_insert): Likewise.
26410         (type_hash_add): Likewise.
26411         (build_omp_clause): Likewise.
26412
26413         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Likewise.
26414
26415         * tree-ssa.c (init_tree_ssa): Likewise.
26416
26417         * tree-ssa-structalias.c (heapvar_insert): Likewise.
26418
26419         * tree-ssa-operands.c (ssa_operand_alloc): Likewise.
26420
26421         * tree-ssa-loop-niter.c (record_estimate): Likewise.
26422
26423         * tree-ssa-alias.c (get_ptr_info): Likewise.
26424
26425         * tree-scalar-evolution.c (new_scev_info_str): Likewise.
26426
26427         * tree-phinodes.c (allocate_phi_node): Likewise.
26428
26429         * tree-iterator.c (tsi_link_before): Likewise.
26430         (tsi_link_after): Likewise.
26431
26432         * tree-eh.c (add_stmt_to_eh_lp_fn): Likewise.
26433
26434         * tree-dfa.c (create_var_ann): Likewise.
26435
26436         * tree-cfg.c (create_bb): Likewise.
26437
26438         * toplev.c (alloc_for_identifier_to_locale): Likewise.
26439         (general_init): Likewise.
26440
26441         * stringpool.c (stringpool_ggc_alloc): Likewise.
26442         (gt_pch_save_stringpool): Likewise.
26443
26444         * sese.c (if_region_set_false_region): Likewise.
26445
26446         * passes.c (do_per_function_toporder): Likewise.
26447
26448         * optabs.c (set_optab_libfunc): Likewise.
26449         (set_conv_libfunc): Likewise.
26450
26451         * lto-symtab.c (lto_symtab_register_decl): Likewise.
26452
26453         * lto-streamer-in.c (lto_input_eh_catch_list): Likewise.
26454         (input_eh_region): Likewise.
26455         (input_eh_lp): Likewise.
26456         (make_new_block): Likewise.
26457         (unpack_ts_real_cst_value_fields): Likewise.
26458
26459         * lto-section-in.c (lto_new_in_decl_state): Likewise.
26460
26461         * lto-cgraph.c (input_node_opt_summary): Likewise.
26462
26463         * loop-init.c (loop_optimizer_init): Likewise.
26464
26465         * lambda.h (lambda_vector_new): Likewise.
26466
26467         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
26468
26469         * ira.c (update_equiv_regs): Likewise.
26470
26471         * ipa.c (cgraph_node_set_new): Likewise.
26472         (cgraph_node_set_add): Likewise.
26473         (varpool_node_set_new): Likewise.
26474         (varpool_node_set_add): Likewise.
26475
26476         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Likewise.
26477         (duplicate_ipa_jump_func_array): Likewise.
26478         (ipa_read_node_info): Likewise.
26479
26480         * ipa-cp.c (ipcp_create_replace_map): Likewise.
26481
26482         * integrate.c (get_hard_reg_initial_val): Likewise.
26483
26484         * gimple.c (gimple_alloc_stat): Likewise.
26485         (gimple_build_omp_for): Likewise.
26486         (gimple_seq_alloc): Likewise.
26487         (gimple_copy): Likewise.
26488
26489         * gimple-iterator.c (gsi_insert_before_without_update): Likewise.
26490         (gsi_insert_after_without_update): Likewise.
26491
26492         * function.c (add_frame_space): Likewise.
26493         (insert_temp_slot_address): Likewise.
26494         (assign_stack_temp_for_type): Likewise.
26495         (allocate_struct_function): Likewise.
26496         (types_used_by_var_decl_insert): Likewise.
26497
26498         * except.c (init_eh_for_function): Likewise.
26499         (gen_eh_region): Likewise.
26500         (gen_eh_region_catch): Likewise.
26501         (gen_eh_landing_pad): Likewise.
26502         (add_call_site): Likewise.
26503
26504         * emit-rtl.c (get_mem_attrs): Likewise.
26505         (get_reg_attrs): Likewise.
26506         (start_sequence): Likewise.
26507         (init_emit): Likewise.
26508
26509         * dwarf2out.c (new_cfi): Likewise.
26510         (queue_reg_save): Likewise.
26511         (dwarf2out_frame_init): Likewise.
26512         (new_loc_descr): Likewise.
26513         (find_AT_string): Likewise.
26514         (new_die): Likewise.
26515         (add_var_loc_to_decl): Likewise.
26516         (clone_die): Likewise.
26517         (clone_as_declaration): Likewise.
26518         (break_out_comdat_types): Likewise.
26519         (new_loc_list): Likewise.
26520         (loc_descriptor): Likewise.
26521         (add_loc_descr_to_each): Likewise.
26522         (add_const_value_attribute): Likewise.
26523         (tree_add_const_value_attribute): Likewise.
26524         (add_comp_dir_attribute): Likewise.
26525         (add_name_and_src_coords_attributes): Likewise.
26526         (lookup_filename): Likewise.
26527         (store_vcall_insn): Likewise.
26528         (dwarf2out_init): Likewise.
26529
26530         * dbxout.c (dbxout_init): Likewise.
26531
26532         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
26533
26534         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
26535
26536         * config/score/score7.c (score7_output_external): Likewise.
26537
26538         * config/score/score3.c (score3_output_external): Likewise.
26539
26540         * config/s390/s390.c (s390_init_machine_status): Likewise.
26541
26542         * config/rs6000/rs6000.c (builtin_function_type): Likewise.
26543         (rs6000_init_machine_status): Likewise.
26544         (output_toc): Likewise.
26545
26546         * config/pa/pa.c (pa_init_machine_status): Likewise.
26547         (get_deferred_plabel): Likewise.
26548
26549         * config/moxie/moxie.c (moxie_init_machine_status): Likewise.
26550
26551         * config/mmix/mmix.c (mmix_init_machine_status): Likewise.
26552
26553         * config/mips/mips.c (mflip_mips16_use_mips16_p): Likewise.
26554
26555         * config/mep/mep.c (mep_init_machine_status): Likewise.
26556         (mep_note_pragma_flag): Likewise.
26557
26558         * config/m32c/m32c.c (m32c_init_machine_status): Likewise.
26559
26560         * config/iq2000/iq2000.c (iq2000_init_machine_status): Likewise.
26561
26562         * config/ia64/ia64.c (ia64_init_machine_status): Likewise.
26563
26564         * config/i386/winnt.c (i386_pe_record_external_function): Likewise.
26565         (i386_pe_maybe_record_exported_symbol): Likewise.
26566
26567         * config/i386/i386.c (get_dllimport_decl): Likewise.
26568         (ix86_init_machine_status): Likewise.
26569         (assign_386_stack_local): Likewise.
26570
26571         * config/frv/frv.c (frv_init_machine_status): Likewise.
26572
26573         * config/darwin.c (machopic_indirection_name): Likewise.
26574
26575         * config/cris/cris.c (cris_init_machine_status): Likewise.
26576
26577         * config/bfin/bfin.c (bfin_init_machine_status): Likewise.
26578
26579         * config/avr/avr.c (avr_init_machine_status): Likewise.
26580
26581         * config/arm/arm.c (arm_init_machine_status): Likewise.
26582
26583         * config/alpha/alpha.c (alpha_init_machine_status): Likewise.
26584         (alpha_need_linkage): Likewise.
26585         (alpha_use_linkage): Likewise.
26586
26587         * cgraph.c (cgraph_allocate_node): Likewise.
26588         (cgraph_create_edge_1): Likewise.
26589         (cgraph_create_indirect_edge): Likewise.
26590         (cgraph_add_asm_node): Likewise.
26591
26592         * cfgrtl.c (init_rtl_bb_info): Likewise.
26593
26594         * cfgloop.c (alloc_loop): Likewise.
26595         (rescan_loop_exit): Likewise.
26596
26597         * cfg.c (init_flow): Likewise.
26598         (alloc_block): Likewise.
26599         (unchecked_make_edge): Likewise.
26600
26601         * c-parser.c (c_parse_init): Likewise.
26602         (c_parse_file): Likewise.
26603
26604         * c-decl.c (bind): Likewise.
26605         (record_inline_static): Likewise.
26606         (push_scope): Likewise.
26607         (make_label): Likewise.
26608         (lookup_label_for_goto): Likewise.
26609         (finish_struct): Likewise.
26610         (finish_enum): Likewise.
26611         (c_push_function_context): Likewise.
26612
26613         * bitmap.c (bitmap_element_allocate): Likewise.
26614         (bitmap_gc_alloc_stat): Likewise.
26615
26616         * alias.c (record_alias_subset): Likewise.
26617         (init_alias_analysis): Likewise.
26618
26619 2010-06-08  Shujing Zhao  <pearly.zhao@oracle.com>
26620
26621         * fold-const.c (fold_comparison): Remove redundant parenthesis.
26622         * tree-inline.c (expand_call_inline): Pass translated return value of
26623         cgraph_inline_failed_string to diagnostic function.
26624
26625 2010-06-08  Andrew Pinski  <pinskia@gmail.com>
26626             Shujing Zhao  <pearly.zhao@oracle.com>
26627
26628         PR c/37724
26629         * c-typeck.c (convert_for_assignment): Call pedwarn_init if the
26630         implicit bad conversions is initialization.
26631         (error_init): Use gmsgid instead of msgid for argument name and change
26632         the call for error.
26633         (pedwarn_init): Use gmsgid instead of msgid for argument name and
26634         change the call for pedwarn.
26635         (warning_init): Use gmsgid instead of msgid for argument name and
26636         change the call for warning.
26637
26638 2010-06-07  Nathan Froyd  <froydnj@codesourcery.com>
26639
26640         * config/mips/mips-protos.h (mips_print_operand): Delete.
26641         (mips_print_operand_address): Delete.
26642         * config/mips/mips.h (mips_print_operand_punct): Delete.
26643         (PRINT_OPERAND): Delete.
26644         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
26645         (PRINT_OPERAND_ADDRESS): Delete.
26646         * config/mips/mips.c (mips_print_operand_punct): Make static.
26647         (mips_print_operand_address): Make static.
26648         (mips_print_operand): Make static.  Call
26649         mips_print_operand_punct_valid_p.
26650         (mips_print_operand_punct_valid_p): New function.
26651         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
26652         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
26653
26654 2010-06-07  Jan Hubicka  <jh@suse.cz>
26655
26656         PR middle-end/44454
26657         (df_lr_top_dump, df_lr_bottom_dump): Check that in/out bitmaps
26658         are allocated.
26659
26660 2010-06-07  Kaz Kojima  <kkojima@gcc.gnu.org>
26661
26662         * config/sh/sh.c (sh_build_builtin_va_list): Set tree type
26663         name of RECORD.
26664
26665 2010-06-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
26666
26667         * doc/sourcebuild.texi (Effective-Target Keywords, Other
26668         attributes): Document gas.
26669
26670 2010-06-07  Uros Bizjak  <ubizjak@gmail.com>
26671
26672         * config/i386/i386.md (*add<mode>_1): Remove alternative 2.
26673         <TYPE_LEA>: Split instruction.
26674         <default>: Remove alternative 2 handling.
26675         (*addsi_1_zext) <TYPE_LEA>: Split instruction.
26676         (add lea splitter): Generate SImode lea for mode sizes <= SImode.
26677         (add_zext lea splitter): Use ix86_lea_for_add_ok in insn predicate.
26678
26679         (*movsi_1) <TYPE_LEA>: Use %a modifier to output operand 1.
26680         (ashift_zext lea splitter): Use DImode for multiplication.
26681
26682         * config/i386/i386.c (ix86_expand_epilogue): Do not use ix86_gen_add
26683         to generate addition.
26684
26685 2010-06-07  Joseph Myers  <joseph@codesourcery.com>
26686
26687         * common.opt (fira-verbose): Use Var.
26688         (fpcc-struct-return): Use Init instead of VarExists.
26689         * defaults.h (DEFAULT_PCC_STRUCT_RETURN): Move definition from
26690         toplev.c.
26691         * flags.h (flag_signed_char, flag_short_enums,
26692         flag_pcc_struct_return, flag_ira_verbose,
26693         flag_detailed_statistics, flag_remove_unreachable_functions): Remove.
26694         * toplev.c (flag_detailed_statistics, flag_signed_char,
26695         flag_short_enums, flag_pcc_struct_return, flag_ira_verbose): Remove.
26696         (DEFAULT_PCC_STRUCT_RETURN): Move definition to defaults.h.
26697         * toplev.h (flag_crossjumping, flag_if_conversion,
26698         flag_if_conversion2, flag_keep_static_consts, flag_peel_loops,
26699         flag_rerun_cse_after_loop, flag_thread_jumps, flag_tracer,
26700         flag_unroll_loops, flag_unroll_all_loops, flag_unswitch_loops,
26701         flag_cprop_registers, time_report, flag_ira_loop_pressure,
26702         flag_ira_coalesce, flag_ira_move_spills,
26703         flag_ira_share_save_slots, flag_ira_share_spill_slots): Remove.
26704
26705 2010-06-07  Jan Hubicka  <jh@suse.cz>
26706
26707         * df-core.c (df_analyze_problem): Do verification after allocation.
26708
26709         * df-problems.c (df_lr_problem_data): Add lr_bitmaps.
26710         (df_lr_alloc): Initialize problem data; move bitmaps to
26711         lr_bitmaps obstack.
26712         (df_lr_finalize): Free problem data; do not bother to free bitmaps.
26713         (df_lr_verify_solution_start): Do not initialize problem data;
26714         allocate bitmaps in lr_bitmaps.
26715         (df_lr_verify_solution_end): Do not free problem data.
26716
26717 2010-06-07  Jan Hubicka  <jh@suse.cz>
26718
26719         * cgraph.c (cgraph_edge_cannot_lead_to_return): Also check
26720         if caller is noreturn.
26721         * ipa-reference.c (analyze_function): Use ipa_ref_cannot_lead_to_return
26722         * ipa-ref.h (ipa_ref_cannot_lead_to_return): New function.
26723         * ipa-ref.c (ipa_ref_cannot_lead_to_return): New function.
26724         * ipa-pure-const.c (check_decl): Add IPA parameter.
26725         (state_from_flags): New function.
26726         (better_state, worse_state): New functions.
26727         (check_call): When in IPA mode, do not care about callees.
26728         (check_load, check_store): Update.
26729         (check_ipa_load, check_ipa_store): New.
26730         (check_stmt): When in IPA mode, use IPA checkers.
26731         (analyze_function): Use state_from_flags.
26732         (propagate): Check indirect edges and references.
26733
26734 2010-06-07  Kazu Hirata  <kazu@codesourcery.com>
26735
26736         PR rtl-optimization/44404
26737         * auto-inc-dec.c (find_inc): Use reg_overlap_mentioned_p instead
26738         of count_occurrences to see if it's safe to modify mem_insn.
26739
26740 2010-06-07  Richard Guenther  <rguenther@suse.de>
26741
26742         * gimplify.c (gimplify_cleanup_point_expr): For empty body
26743         and EH-only cleanup drop the cleanup instead of inserting it
26744         unconditionally.
26745
26746 2010-06-07  Ira Rosen  <irar@il.ibm.com>
26747
26748         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Update
26749         documentation.
26750         * targhooks.c (default_builtin_vectorization_cost): New function.
26751         * targhooks.h (default_builtin_vectorization_cost): Declare.
26752         * target.h (enum vect_cost_for_stmt): Define.
26753         (builtin_vectorization_cost): Change argument and comment.
26754         * tree-vectorizer.h: Remove cost model macros.
26755         * tree-vect-loop.c: Include target.h.
26756         (vect_get_cost): New function.
26757         (vect_estimate_min_profitable_iters): Replace cost model macros with
26758         calls to vect_get_cost.
26759         (vect_model_reduction_cost, vect_model_induction_cost): Likewise.
26760         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Add
26761         default implementation.
26762         * tree-vect-stmts.c (cost_for_stmt): Replace cost model macros with
26763         calls to target hook builtin_vectorization_cost.
26764         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
26765         Likewise.
26766         * Makefile.in (tree-vect-loop.o): Add dependency on TARGET_H.
26767         * config/spu/spu.c (spu_builtin_vectorization_cost): Replace with new
26768         implementation to return costs.
26769         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
26770         * config/spu/spu.h: Remove vectorizer cost model macros.
26771         * config/i386/i386.h: Likewise.
26772         * tree-vect-slp.c (vect_build_slp_tree): Replace cost model macro with
26773         a call to target hook builtin_vectorization_cost.
26774
26775 2010-06-06  Sriraman Tallam  <tmsriram@google.com>
26776
26777         PR target/44319
26778         * config/i386/i386.c (override_options): Turn zee pass on for level 2
26779         and above and defer till target is known.
26780         (optimization_options): Turn on zee pass if TARGET_64BIT is set and
26781         turn off otherwise.
26782
26783 2010-05-25  Jan Hubicka  <jh@suse.cz>
26784
26785         * df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.
26786         (df_compact_blocks): Likewise.
26787         * df.h (struct df): Turn hardware_regs_used,
26788         regular_block_artificial_uses, eh_block_artificial_uses,
26789         insns_to_delete, insns_to_rescan, insns_to_notes_rescan into
26790         bitmap_head.
26791         * df-problems.c (df_lr_local_compute, df_lr_confluence_0,
26792         df_byte_lr_alloc, df_simulate_fixup_sets): Update.
26793         * df-scan.c (df_scan_free_internal, df_scan_alloc, df_scan_start_dump,
26794         df_scan_blocks, df_insn_delete, df_insn_rescan,
26795         df_insn_rescan_debug_internal, df_insn_rescan_all,
26796         df_process_deferred_rescans, df_process_deferred_rescans,
26797         df_notes_rescan, df_get_call_refs, df_get_call_refs,
26798         regs_invalidated_by_call_regset, df_get_call_refs, df_bb_refs_collect,
26799         df_record_entry_block_defs, df_record_exit_block_uses,
26800         df_update_exit_block_uses, df_bb_verify, df_entry_block_bitmap_verify,
26801         df_scan_verify): Update.
26802
26803 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
26804
26805         PR c++/44188
26806         * c-common.c (is_typedef_decl): Move this definition ...
26807         * tree.c (is_typedef_decl): ... here.
26808         (typdef_variant_p): Move definition here from cp/tree.c.
26809         * c-common.h (is_typedef_decl): Move this declaration ...
26810         * tree.h (is_typedef_decl): ... here.
26811         (typedef_variant_p): Move declaration here from cp/cp-tree.h
26812         * dwarf2out.c (is_naming_typedef_decl): New function.
26813         (gen_tagged_type_die): Split out of ...
26814         (gen_type_die_with_usage): ... this function. When an anonymous
26815         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
26816         is emitted for the typedef.
26817         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
26818         anonymous tagged types.
26819
26820 2010-06-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
26821
26822         PR c/20000
26823         * c-decl.c (grokdeclarator): Delete warning.
26824
26825 2010-06-06  Eric Botcazou  <ebotcazou@adacore.com>
26826
26827         * stor-layout.c (self_referential_size): Set UNKNOWN_LOCATION on the
26828         newly built CALL_EXPR.
26829         * tree-profile.c (tree_profiling): Don't profile functions produced
26830         for built-in stuff.
26831
26832 2010-06-06  Segher Boessenkool  <segher@kernel.crashing.org>
26833
26834         PR bootstrap/44427
26835         PR bootstrap/44428
26836         * genautomata.c (SET_BIT, CLEAR_BIT, TEST_BIT): Make these macros
26837         endianness-independent.
26838
26839 2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>
26840
26841         * c-common.c: Move to c-family/.
26842         * c-common.def: Likewise.
26843         * c-common.h: Likewise.
26844         * c-cppbuiltin.c: Likewise.
26845         * c-dump.c: Likewise.
26846         * c-format.c: Likewise.
26847         * c-format.h : Likewise.
26848         * c-gimplify.c: Likewise.
26849         * c-lex.c: Likewise.
26850         * c-omp.c: Likewise.
26851         * c.opt: Likewise.
26852         * c-opts.c: Likewise.
26853         * c-pch.c: Likewise.
26854         * c-ppoutput.c: Likewise.
26855         * c-pragma.c: Likewise.
26856         * c-pragma.h: Likewise.
26857         * c-pretty-print.c: Likewise.
26858         * c-pretty-print.h: Likewise.
26859         * c-semantics.c: Likewise.
26860         * stub-objc.c: Likewise.
26861
26862         * gengtype.c (get_file_langdir): Special-case files in c-family/.
26863         (get_output_file_with_visibility): Fix name for c-common.h.
26864         * c-config-lang.in: Update paths in gtfiles for files in c-family/.
26865
26866         * c-tree.h: Update include path for moved files.
26867         * c-lang.c: Likewise.
26868         * c-lang.h: Likewise.
26869         * c-parser.c: Likewise.
26870         * c-convert.c: Likewise.
26871         * c-decl.c: Likewise.
26872         * c-objc-common.c: Likewise.
26873         * configure.ac: Make sure c-family/ exists in the build directory.
26874         * configure: Regenerate.
26875         * Makefile.in: Update paths for moved files.  Regroup files per
26876         location and update dependencies.  Move generated_files down after
26877         ALL_GTFILES_H.
26878
26879         * config/spu/spu-c.c: Update paths for moved files.
26880         * config/mep/mep-pragma.c: Likewise.
26881         * config/darwin-c.c: Likewise.
26882         * config/i386/msformat-c.c: Likewise.
26883         * config/i386/i386-c.c: Likewise.
26884         * config/avr/avr-c.c: Likewise.
26885         * config/sol2-c.c: Likewise.
26886         * config/ia64/ia64-c.c: Likewise.
26887         * config/rs6000/rs6000-c.c: Likewise.
26888         * config/arm/arm.c: Likewise.
26889         * config/arm/arm-c.c: Likewise.
26890         * config/h8300/h8300.c: Likewise.
26891         * config/v850/v850-c.c: Likewise.
26892
26893         * config/t-darwin: Fix dependencies for moved files.
26894         * config/t-sol2: Fix dependencies for moved files.
26895         * config/mep/t-mep: Fix dependencies for moved files.
26896         * config/ia64/t-ia64: Fix dependencies for moved files.
26897         * config/rs6000/t-rs6000: Fix dependencies for moved files.
26898         * config/v850/t-v850: Fix dependencies for moved files.
26899         * config/v850/t-v850e: Fix dependencies for moved files.
26900
26901         * config/m32c/m32c-pragma.c
26902
26903         * po/exgettext: Look in c-family/ also.
26904
26905 2010-06-05  Eric Botcazou  <ebotcazou@adacore.com>
26906
26907         * tree-ssa-dce.c (mark_last_stmt_necessary): New function.
26908         (mark_control_dependent_edges_necessary): Call it instead of marking
26909         the last statement manually.
26910         (propagate_necessity): Likewise.
26911
26912 2010-06-05  Jan Hubicka  <jh@suse.cz>
26913
26914         * basic-block.h (compute_dominance_frontiers): Updated.
26915         (compute_idf): Likewise.
26916
26917         * tree-into-ssa.c (insert_phi_nodes): Use bitmap heads
26918         for dominance frontiers.
26919         (rewrite_into_ssa): Update for bitmap heads in dominance frontiers.
26920         (insert_updated_phi_nodes_for): Likewise.
26921         (update_ssa): Likewise.
26922         * cfganal.c (compute_dominance_frontiers_1): Likewise.
26923         (compute_dominance_frontiers): Likewise.
26924         (compute_idf): Likewise.
26925         * df-problems.c (df_md_local_compute): Likewise.
26926
26927 2010-06-05  Anatoly Sokolov  <aesok@post.ru>
26928
26929         * target.h (struct gcc_target): Add memory_move_cost field.
26930         * target-def.h (TARGET_MEMORY_MOVE_COST): New.
26931         (TARGET_INITIALIZER): Use TARGET_MEMORY_MOVE_COST.
26932         * targhooks.c (default_memory_move_cost): New function.
26933         * targhooks.h (default_memory_move_cost): Declare function.
26934         * reload.h (memory_move_cost): Declare.
26935         (memory_move_secondary_cost): Change type of 'in' argument to bool.
26936         * reginfo.c (memory_move_cost): New function.
26937         (memory_move_secondary_cost): Change type of 'in' argument to bool.
26938         * ira.h (ira_memory_move_cost): Update comment.
26939         * ira.c (ira_memory_move_cost): Update comment.
26940         (setup_class_subset_and_memory_move_costs): Replace MEMORY_MOVE_COST
26941         with memory_move_cost.
26942         * postreload.c (reload_cse_simplify_set): (Ditto.).
26943         * reload1.c (choose_reload_regs): (Ditto.).
26944         * doc/tm.texi (TARGET_MEMORY_MOVE_COST): New.
26945         (MEMORY_MOVE_COST):  Revise documentation.
26946
26947         * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
26948         * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
26949         * config/i386/i386.h (ix86_memory_move_cost): Make static. Change
26950         type of 'in' argument to bool.
26951         (TARGET_MEMORY_MOVE_COST): Define.
26952
26953 2010-06-05  Jan Hubicka  <jh@suse.cz>
26954
26955         * ipa-pure-const.c (propagate): Fix typo in handling of functions
26956         that cannot return.  Be more careful when merging the results with
26957         previously known ones.
26958
26959 2010-06-05  Matthias Klose  <doko@ubuntu.com>
26960
26961         * gcc.c (cc1_options, cpp_unique_options): Use find-plugindir spec
26962         function to add the -iplugindir option.
26963         (find_plugindir_spec_function): Add new declaration and function.
26964         (static_spec_func): Use it for "find-plugindir".
26965
26966 2010-06-05  Jakub Jelinek  <jakub@redhat.com>
26967
26968         PR c++/44361
26969         * c-typeck.c (mark_exp_read): Handle C_MAYBE_CONST_EXPR.
26970         * c-parser.c (c_parser_postfix_expression): Call mark_exp_read on
26971         statement expression.
26972
26973 2010-06-05  Jan Hubicka  <jh@suse.cz>
26974
26975         * df-problems.c (seen_in_block, seen_in_insn): Convert to bitmap_head.
26976         (df_rd_problem_data): Convert sparse_invalidated_by_call,
26977         dense_invalidated_by_call to bitmap head.
26978         (df_rd_alloc, df_rd_bb_local_compute_process_def,
26979         df_rd_bb_local_compute, df_rd_confluence_n, df_rd_transfer_function,
26980         df_rd_start_dump, df_lr_verify_transfer_functions,
26981         df_live_verify_transfer_functions, df_chain_create_bb,
26982         df_chain_add_problem, df_byte_lr_check_regs, df_byte_lr_alloc,
26983         df_byte_lr_confluence_0, df_byte_lr_confluence_n, df_note_compute,
26984         df_simulate_one_insn_forwards, df_md_alloc,
26985         df_md_bb_local_compute_process_def,
26986         df_md_bb_local_compute_process_def, df_md_local_compute,
26987         df_md_transfer_function df_md_free): Update.
26988
26989 2010-06-05  Joseph Myers  <joseph@codesourcery.com>
26990
26991         PR c/44322
26992         * c-typeck.c (build_unary_op): Merge qualifiers into pointer
26993         target type for ADDR_EXPR; require no changes to qualifiers except
26994         for function types.
26995         * c-tree.h (c_build_type_variant): Remove.
26996
26997 2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>
26998
26999         * genautomata.c (get_excl_set): Do work per element, not per char.
27000         (check_presence_pattern_sets): Similar.
27001         (check_absence_pattern_sets): Similar.
27002
27003 2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>
27004
27005         * genautomata.c (curr_state_pass_num): Delete.
27006         (min_issue_delay_pass_states): Delete.
27007         (min_issue_delay): Delete.
27008         (initiate_min_issue_delay_pass_states): Delete.
27009         (output_min_issue_delay_table): Compute min_issue_delay_vect
27010         using a breadth-first search variant.
27011         (output_tables): Don't call initiate_min_issue_delay_pass_states.
27012
27013 2010-06-04  H.J. Lu  <hongjiu.lu@intel.com>
27014
27015         PR boostrap/44421
27016         * df-problems.c (df_lr_bb_local_compute): Updated for embedded bitmaps.
27017         (df_byte_lr_bb_local_compute): Likewise.
27018
27019 2010-06-03  Jason Merrill  <jason@redhat.com>
27020
27021         Implement noexcept operator (5.3.7)
27022         * c-common.c (c_common_reswords): Add noexcept.
27023         * c-common.h (enum rid): Add RID_NOEXCEPT.
27024
27025 2010-06-04  Joseph Myers  <joseph@codesourcery.com>
27026
27027         * config/darwin-driver.c (darwin_default_min_version): Use
27028         GCC-specific formats in diagnostics.
27029         * cppspec.c (lang_specific_driver): Use GCC-specific formats in
27030         diagnostics.
27031         * gcc.c (translate_options, read_specs, add_sysrooted_prefix,
27032         execute, process_command, end_going_arg, do_self_spec, do_spec_1,
27033         eval_spec_function, handle_braces, process_brace_body, main,
27034         perror_with_name, used_arg, set_multilib_dir, print_multilib_info,
27035         getenv_spec_function, compare_version_strings,
27036         version_compare_spec_function): Use GCC-specific formats in
27037         diagnostics.
27038
27039 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
27040
27041         * config/i386/i386.md (*addhi_1_lea) <TYPE_INCDEC, default>: Assert
27042         that operand 0 and operand 1 are equal.
27043         (*addqi_1_lea) <TYPE_INCDEC, default>: Ditto.
27044         (*add<mode>_2) <TYPE_INCDEC>: Remove assert that operand 0
27045         and operand 1 are equal.
27046         <default>: Ditto.  Remove ??? comment.
27047         (*add<mode>_3) <TYPE_INCDEC>: Remove assert that operand 0
27048         and operand 1 are equal.
27049         <default>: Ditto.  Remove ??? comment.
27050         (*adddi_4) <default>: Remove assert that operand 0 and operand 1
27051         are equal.
27052         (*add<mode>_4) <default>: Ditto.
27053         (*add<mode>_5) <TYPE_INCDEC, default>: Ditto.
27054
27055 2010-06-04  Nathan Froyd  <froydnj@codesourcery.com>
27056
27057         * config/i386/i386-protos.h (ix86_print_operand): Declare.
27058         * config/i386/i386.c (ix86_print_operand): Make non-static.
27059         * config/i386/sol2.h (ASM_OUTPUT_CALL): Call ix86_print_operand.
27060         * output.h (output_operand): Declare.
27061         * final.c (output_operand): Make non-static.
27062
27063 2010-06-04  Alexandre Oliva  <aoliva@redhat.com>
27064
27065         PR rtl-optimization/44013
27066         * sched-deps.c (add_dependence_list_and_free): Don't free lists
27067         when processing debug insns.
27068
27069         PR debug/41371
27070         * var-tracking.c (find_loc_in_1pdv): Mark initial value before
27071         recursing.  Check that recursion is bounded.  Rename inner var
27072         to avoid hiding incoming argument.
27073
27074 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
27075
27076         * config/i386/i386.md (*addqi_2) <TYPE_INCDEC>: Do not assert that
27077         operands[2] == 255.
27078         (*addqi_3): Ditto.
27079         (*addqi_4): Ditto.
27080         (*addqi_5): Ditto.
27081         (*addqi_ext_1_rex64): Ditto.
27082         (*addqi_ext_1): Ditto.
27083
27084         (*addqi_4): Check for incdec_operand in QImode.
27085
27086         (*add<mode>_2): Macroize insn from *add<mode>_2 and *add{qi,hi}_2
27087         using SWI mode iterator.
27088         (*add<mode>_3): Ditto from *add<mode>_3 and *add{qi,hi}_3.
27089         (*add<mode>_4): Macroize insn from *add{qi,hi,si}_4 using SWI124
27090         mode iterator.
27091         (*add<mode>_5): Macroize insn from *add<mode>_5 and *add{qi,hi}_5
27092         using SWI mode iterator.
27093
27094 2010-06-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>
27095
27096         PR c/25880
27097         * c-objc-common.c (c_tree_printer): Handle %V, %v and %#v.
27098         * c-format.c (gcc_diag_flag_specs): Add hash.
27099         (gcc_cxxdiag_flag_specs): Use gcc_diag_flag_specs directly.
27100         (gcc_tdiag_char_table,gcc_cdiag_char_table): Handle %V and %v.
27101         * c-pretty-print.c (pp_c_cv_qualifier): Rename as
27102         pp_c_cv_qualifiers. Handle qualifiers spelling here.
27103         (pp_c_type_qualifier_list): Call the function above.
27104         * c-pretty-print.h (pp_c_cv_qualifiers): Declare.
27105         * c-typeck.c (handle_warn_cast_qual): Print qualifiers.
27106         (WARN_FOR_QUALIFIERS): New macro.
27107         (convert_for_assignment): Use it.
27108
27109 2010-06-04  Kai Tietz  <kai.tietz@onevision.com>
27110
27111         * config/i386/cygming.h (ASM_GENERATE_INTERNAL_LABEL): Prefix by '*'.
27112
27113 2010-06-04  Jan Hubicka  <jh@suse.cz>
27114
27115         * df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info,
27116         df_byte_lr_bb_info): Embedd bitmap_head into the structure.
27117         (DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN,
27118         DF_BYTE_LR_OUT): Update for embedded bitmaps.
27119         * fwprop.c (single_def_use_enter_block): Likewise.
27120         * ddg.c (create_ddg_dep_from_intra_loop_link,
27121         add_cross_iteration_register_deps, build_inter_loop_deps): Likewise.
27122         * loop-iv.c (latch_dominating_def): Likewise.
27123         * df-problems.c (df_rd_free_bb_info, df_rd_alloc,
27124         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def,
27125         df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function,
27126         df_rd_transfer_function, df_rd_top_dump,
27127         df_rd_bottom_dump): Update.
27128         (df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute,
27129         df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute,
27130         df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init,
27131         df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump,
27132         df_lr_verify_solution_start, df_lr_verify_solution_end,
27133         df_lr_verify_transfer_functions, df_lr_verify_transfer_functions,
27134         df_live_free_bb_info, df_live_alloc, df_live_reset,
27135         df_live_bb_local_compute, df_live_init, df_live_transfer_function,
27136         df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump,
27137         df_live_verify_solution_start, df_live_verify_solution_end,
27138         df_live_verify_transfer_functions, df_chain_create_bb,
27139         df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset,
27140         df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
27141         df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
27142         df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init,
27143         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
27144         df_byte_lr_transfer_function, df_byte_lr_top_dump,
27145         df_byte_lr_bottom_dump, df_create_unused_note,
27146         df_note_bb_compute, df_md_free_bb_info, df_md_alloc,
27147         df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset,
27148         df_md_transfer_function, df_md_init, df_md_confluence_0,
27149         df_md_confluence_n,
27150         df_md_top_dump, df_md_bottom_dump): Update.
27151         (struct df_lr_problem_data): Embedd bitmap headers.
27152
27153 2010-06-04  Jan Hubicka  <jh@suse.cz>
27154
27155         * dce.c (dce_process_block): Do not re-scan already marked
27156         instructions.
27157
27158 2010-06-04  Bernd Schmidt  <bernds@codesourcery.com>
27159
27160         PR rtl-optimization/39871
27161         PR rtl-optimization/40615
27162         PR rtl-optimization/42500
27163         PR rtl-optimization/42502
27164         * ira.c (init_reg_equiv_memory_loc: New function.
27165         (ira): Call it twice.
27166         * reload.h (calculate_elim_costs_all_insns): Declare.
27167         * ira-costs.c: Include "reload.h".
27168         (regno_equiv_gains): New static variable.
27169         (init_costs): Allocate it.
27170         (finish_costs): Free it.
27171         (ira_costs): Call calculate_elim_costs_all_insns.
27172         (find_costs_and_classes): Take estimated elimination costs
27173         into account.
27174         (ira_adjust_equiv_reg_cost): New function.
27175         * ira.h (ira_adjust_equiv_reg_cost): Declare it.
27176         * reload1.c (init_eliminable_invariants, free_reg_equiv,
27177         elimination_costs_in_insn, note_reg_elim_costly): New static functions.
27178         (elim_bb): New static variable.
27179         (reload): Move code out of here into init_eliminable_invariants and
27180         free_reg_equiv.  Call them.
27181         (calculate_elim_costs_all_insns): New function.
27182         (eliminate_regs_1): Declare.  Add extra arg FOR_COSTS;
27183         all callers changed.  If FOR_COSTS is true, don't call alter_reg,
27184         but call note_reg_elim_costly if we turned a valid memory address
27185         into an invalid one.
27186         * Makefile.in (ira-costs.o): Depend on reload.h.
27187
27188 2010-06-04  Julian Brown  <julian@codesourcery.com>
27189
27190         * config/arm/thumb2.md (*thumb2_movdf_soft_insn): Fix alternatives
27191         for pool ranges.
27192
27193 2010-06-04  Richard Guenther  <rguenther@suse.de>
27194
27195         PR lto/41584
27196         * cgraph.h (struct varpool_node): Add lto_file_data field.
27197         * lto-cgraph.c (input_varpool_node): Initialize it.
27198
27199 2010-06-04  Uros Bizjak  <ubizjak@gmail.com>
27200
27201         * config/i386/predicates.md (pic_symbolic_operand): Remove predicate.
27202         * config/i386/i386.md (*add<mode>_1): Do not use pic_symbolic_operand
27203         predicate in "type" attribute calculation.
27204         (*addsi_1_zext): Ditto.
27205         (*add<mode>_2): Do not use pic_symbolic_operand in insn predicate.
27206         (*addsi_2_zext): Ditto.
27207         (*add<mode>_3): Ditto.
27208         (*addsi_3_zext): Ditto.
27209         (*add<mode>_5): Ditto.
27210
27211 2010-06-03  Jan Hubicka  <jh@suse.cz>
27212
27213         * tree-into-ssa.c (mark_block_for_update): Avoid redundant call
27214         of bitmap_bit_p.
27215         * cfganal.c (compute_dominance_frontiers_1): Likewise.
27216
27217 2010-06-03  Jan Hubicka  <jh@suse.cz>
27218
27219         * df-problems.c (df_create_unused_note, df_note_bb_compute):
27220         micro-optimize the checks when to add new note.
27221
27222 2010-06-03  Nathan Froyd  <froydnj@codesourcery.com>
27223
27224         * final.c (output_asm_insn): Call
27225         targetm.asm_out.print_operand_punct_valid_p.  Update comments.
27226         (output_operand): Call targetm.asm_out.print_operand.  Update comments.
27227         (output_address): Call targetm.asm_out.print_operand_address.
27228         Update comments.
27229         * target.h (struct gcc_target): Add print_operand,
27230         print_operand_address, and print_operand_punct_valid_p fields.
27231         * targhooks.h (default_print_operand): Declare.
27232         (default_print_operand_address): Declare.
27233         (default_print_operand_punct_valid_p): Declare.
27234         * targhooks.c (default_print_operand): Define.
27235         (default_print_operand_address): Define.
27236         (default_print_operand_punct_valid_p): Define.
27237         * target-def.h (TARGET_PRINT_OPERAND): Define if not defined.
27238         (TARGET_PRINT_OPERAND_ADDRESS): Likewise.
27239         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Likewise.
27240         (TARGET_ASM_OUT): Add TARGET_PRINT_OPERAND,
27241         TARGET_PRINT_OPERAND_ADDRESS, and TARGET_PRINT_OPERAND_PUNCT_VALID_P.
27242         * vmsdbgout.c (addr_const_to_string): Update comment.
27243         * config/i386/i386.c (print_operand): Rename to...
27244         (ix86_print_operand): ...this.  Make static.
27245         (print_operand_address): Rename to...
27246         (ix86_print_operand_address): ...this.  Make static.  Call
27247         ix86_print_operand instead of PRINT_OPERAND.
27248         (ix86_print_operand_punct_valid_p): New function.
27249         (TARGET_PRINT_OPERAND): Define.
27250         (TARGET_PRINT_OPERAND_ADDRESS): Define.
27251         (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
27252         * config/i386/i386.h (HI_REGISTER_NAMES): Update comment.
27253         (PRINT_OPERAND_PUNCT_VALID_P): Delete.
27254         (PRINT_OPERAND): Delete.
27255         (PRINT_OPERAND_ADDRESS): Delete.
27256         * config/i386/i386-protos.h (print_operand): Delete prototype.
27257         (print_operand_address): Delete prototype.
27258
27259 2010-06-03  Richard Guenther  <rguenther@suse.de>
27260
27261         PR tree-optimization/44403
27262         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
27263         Preserve pointer qualifiers.
27264         (vect_create_data_ref_ptr): Likewise.
27265
27266 2010-06-03  H.J. Lu  <hongjiu.lu@intel.com>
27267
27268         PR c++/44294
27269         * defaults.h (MAX_FIXED_MODE_SIZE): New.
27270
27271         * stor-layout.c (MAX_FIXED_MODE_SIZE): Removed.
27272
27273 2010-06-03  Jakub Jelinek  <jakub@redhat.com>
27274
27275         PR debug/44375
27276         * tree-cfg.c (gimple_can_merge_blocks_p): For -O0
27277         return false if merging the bbs would lead to goto_locus
27278         location being lost from the IL.
27279
27280 2010-06-03  Jan Hubicka  <jh@suse.cz>
27281             Jakub Jelinek  <jakub@redhat.com>
27282
27283         * var-tracking.c (dataflow_set_equiv_regs): Shortcut the loop if
27284         set->regs[i] is NULL or has just one entry.
27285
27286 2010-06-03  Jan Hubicka  <jh@suse.cz>
27287
27288         * lto-cgraph.c (lto_varpool_encoder_size): Remove.
27289         * lto-streamer.h (lto_varpool_encoder_size): New inline function.
27290
27291 2010-06-03  Paul Brook  <paul@codesourcery.com>
27292
27293         * config/arm/arm.c (FL_TUNE): Define.
27294         (arm_default_cpu, arm_cpu_select): Remove.
27295         (all_cores): Populate core field.
27296         (arm_selected_arch, arm_selected_cpu, arm_selected_tune): New.
27297         (arm_find_cpu): New function.
27298         (arm_handle_option): Lookup cpu/architecture names.
27299         (arm_override_options): Cleanup mcpu/march/mtune handling.
27300         (arm_file_start): Ditto.
27301
27302 2010-06-03  Alan Modra  <amodra@gmail.com>
27303
27304         PR target/44169
27305         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Add label operand.
27306         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Pass label
27307         rtx to gen_load_toc_v4_PIC_1b.  Tidy.
27308         (rs6000_emit_load_toc_table): Likewise.
27309
27310 2010-06-02  Jan Hubicka  <jh@suse.cz>
27311
27312         * passes.c (init_optimization_passes): Put ipa reference
27313         after ipa pure-const.
27314
27315 2010-06-02  Jan Hubicka  <jh@suse.cz>
27316
27317         * ipa-reference.c (ipa_reference_local_vars_info_d): Remove
27318         calls_read_all and calls_write_all.
27319         (get_reference_optimization_summary): Fix formatting.
27320         (is_proper_for_analysis): Check that decl is not readonly.
27321         (propagate_bits): Check CONST/PURE/noreturn flags.
27322         (ipa_init): Move all_module_statics to optimization_summary_obstack.
27323         (analyze_function): Ignore indirect edges.
27324         (copy_global_bitmap): For all module statics, do nothing.
27325         (generate_summary): Do not print calls_read_all/calls_write_all.
27326         (read_write_all_from_decl): Take node as argument; check
27327         cgraph_node_cannot_return.
27328         (propagate): Reorganize read_all/write_all computation;
27329         check indirect edges; check ecf flags; use all_module_statics
27330         in the results; do not free all_module_statics.
27331         (stream_out_bitmap): Handle all_module_statics.
27332         (ipa_reference_write_optimization_summary): Likewise; use
27333         varpool/cgraph encoders to get boundaries.
27334         (ipa_reference_read_optimization_summary): Read in all_module_statics;
27335         use it when possible.
27336
27337 2010-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
27338
27339         PR target/44218
27340         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete obsolete
27341         -mswdiv option.  Add -mrecip, -mrecip=<xxx>, -mrecip-precision options.
27342
27343         * doc/extend.texi (powerpc builtins): Document vec_recip,
27344         vec_rsqrt, vec_rsqrte altivec/vsx builtins.
27345
27346         * config/rs6000/rs60000-protos.h (rs6000_emit_swdiv): New function.
27347         (rs6000_emit_swrsqrt): Ditto.
27348         (rs6000_emit_swdivsf): Delete.
27349         (rs6000_emit_swdivdf): Ditto.
27350         (rs6000_emit_swrsqrtsf): Ditto.
27351
27352         * config/rs6000/rs6000.c (rs6000_recip_bits): New global to
27353         describe the reciprocal estimate support for each type.
27354         (recip_options): Map -mrecip=<opt> into option bits.
27355         (gen_2arg_fn_t): New typedef for binary rtx gen function.
27356         (rs6000_debug_reg_global): If -mdebug=reg, print the state of the
27357         reciprocal estimate instructions.
27358         (rs6000_init_hard_regno_mode_ok): Key ws constraint off of the
27359         debug -mvsx-scalar-memory switch instead of -mvsx-scalar-double.
27360         Set up rs6000_recip_bits based on the -mrecip* options.  Print the
27361         cost information if -mdebug=cost or -mdebug=reg.
27362         (rs6000_override_options): Set -mrecip-precision for power6, and
27363         power7 machines.  If -mvsx or -mdfp, enable various options that
27364         came in previous instruction set ISAs, unless the option was
27365         explicitly disabled by the command line option.  Parse
27366         -mrecip=<opt> options.
27367         (rs6000_builtin_vectorized_function): Add support for vectorizing
27368         the reciprocal estimate builtins and expansions.
27369         (rs6000_handle_option): Add -mrecip, -mrecip=<opt> support.
27370         (bdesc_2arg): Add reciprocal estimate builtins.
27371         (bdesc_1arg): Add reciprocal square root estimate builtins.
27372         (rs6000_expand_builtin): Rewrite to use a switch statement,
27373         instead of multiple if/then/elses.  Add reciprocal estimate builtins.
27374         (rs6000_init_builtins): Create declarations for reciprocal
27375         estimate builtins.
27376         (rs6000_preferred_reload_class): Simplify VSX preferences, if scalar
27377         sized, prefer traditional floating point registers, if integer
27378         vector types, prefer altivec registers.  Don't actually look at
27379         the memory address any more.
27380         (rs6000_builtin_reciprocal): Add new builtin reciprocal estimate
27381         builtins.
27382         (rs6000_load_constant_and_splat): New helper function to load up
27383         the constant for reciprocal estimate instructions.
27384         (rs6000_emit_madd): New helper function for generating
27385         multiply/add type instructions, based on the current switches.
27386         (rs6000_emit_msub): Ditto.
27387         (rs6000_emit_mnsub): Ditto.
27388         (rs6000_emit_swdiv_high_precision): Replace rs6000_emit_swdivsf to
27389         replace a divide with a reciprocal estimate and fixup, adding
27390         support for machines with high precision and vectors.
27391         (rs6000_emit_swdiv_low_precision): Rewrite rs6000_emit_swdivdf for
27392         low precision machines.
27393         (rs6000_emit_swdiv): New common function to be called to replace a
27394         division with reciprocal estimate and fixup.
27395         (rs6000_emit_swrsqrt): Replace rs6000_emit_swrsqrtsf.  Add support
27396         for double and vector types.  Add support for high precision machines.
27397
27398         * config/rs6000/rs6000.h (TARGET_FRES): New macro to say whether
27399         the reciprocal estimate instructions can be generated.
27400         (TARGET_FRE): Ditto.
27401         (TARGET_FRSQRTES): Ditto.
27402         (TARGET_FRSQRTE): Ditto.
27403         (RS6000_RECIP_*): New macros for reciprocal estimate support.
27404
27405         * config/rs6000/vector.md (rsqrte<mode>2): New insn for reciprocal
27406         square root estimate on vectors.
27407         (re<mode>2): New insn for reciprocal division estimate on vectors.
27408
27409         * config/rs6000/rs6000-buitlins.def (ALTIVEC_BUILTIN_VRSQRTFP):
27410         New builtin.
27411         (ALTIVEC_BUILTIN_VRECIPFP): Ditto.
27412         (ALTIVEC_BUITLIN_VEC_RE): Ditto.
27413         (ALTIVEC_BUILTIN_VEC_RSQRT): Ditto.
27414         (VSX_BUILTIN_RSQRT_V4SF): Ditto.
27415         (VSX_BUITLIN_RSQRT_V2DF): Ditto.
27416         (RS6000_BUILTIN_RSQRT): Ditto.
27417         (ALTIVEC_BUILTIN_VEC_RSQRTE): Denote that the builtin is a
27418         floating point builtin.
27419
27420         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
27421         macros __RECIP__, __RECIPF__, __RSQRTE__, __RSQRTEF__,
27422         __RECIP_PRECISION__ based on the command line switches.
27423         (altivec_overloaded_builtins): Add reciprocal estimate builtins.
27424
27425         * config/rs6000/rs6000.opt (-mrecip): Document add support for
27426         replacing division instructions with reciprocal estimate and fixup.
27427         (-mrecip=<opt>): New option.
27428         (-mrecip-precision): Ditto.
27429
27430         * config/rs6000/vsx.md (UNSPEC_VSX_RSQRTE): Delete.
27431         (vsx_rsqrte<mode>2): Use UNSPEC_RSQRT not UNSPEC_VSX_RSQRTE.
27432         (vsx_copysignsf3): If -mvsx, use double precision cpsign on single
27433         precision scalar.
27434
27435         * config/rs6000/altivec.md (UNSPEC_RSQRTEFP): Delete.
27436         (UNSPEC_VREFP): Ditto.
27437         (altivec_vnmsubfp*): Make altivec nmsub mirror the scalar and VSX
27438         conterparts with regard to support of -mno-fused-madd and -ffast-math.
27439         (altivec_vrsqrtefp): Use common UNSPEC to allow scalar/vector
27440         reciprocal estimate instructions to be generated.
27441         (altivec_vrefp): Ditto.
27442
27443         * config/rs6000/rs6000.md (RECIPF): New iterator for reciprocal
27444         estimate support.
27445         (rreg): New mode attribute for reciprocal estimate support.
27446         (recip<mode>3): New insn for division using reciprocal estimate
27447         and fixup builtins.
27448         (divide define_split): New define_split to convert floating point
27449         division to use reciprocal estimate if the user used the
27450         appropriate options and the split is run when we can add new
27451         pseudo registers for the fixup.
27452         (rsqrt<mode>2): New insn for reciprocal square root support.
27453         (recipsf3): Move into recip<mode>3.
27454         (recipdf3): Ditto.
27455         (fres): Use TARGET_FRES.
27456         (rsqrtsf2): Move into rsqrt<mode>2.
27457         (rsqrtsf_internal1): Use TARGET_FRSQRTSES.
27458         (copysignsf3): Add support for VSX.
27459         (fred): Use TARGET_FRE.
27460         (fred_fpr): Ditto.
27461         (rsqrtdf_internal1): New function for frsqrte instruciton.
27462
27463         * config/rs6000/altivec.h (vec_recipdiv): Define new vector builtin.
27464         (vec_rsqrt): Ditto.
27465
27466 2010-06-03  Richard Guenther  <rguenther@suse.de>
27467
27468         PR middle-end/44291
27469         * optabs.c (init_one_libfunc): Use IDENTIFIER_HASH_VALUE.
27470         (set_user_assembler_libfunc): Likewise.
27471
27472 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
27473
27474         * mkconfig.sh: Include insn-flags.h and insn-constants.h before
27475         defaults.h.
27476         * except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS
27477         to defaults.h
27478         * expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO,
27479         DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING,
27480         FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE,
27481         STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN,
27482         STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP,
27483         STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT,
27484         STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE,
27485         STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h.
27486         * defaults.h: Updated for above mentioned changes.
27487
27488 2010-06-02  Kai Tietz  <kai.tietz@onevision.com>
27489
27490         * c-common.c: Remove header include of tm_p.h.
27491         * Makefile.in (c-common.o): Remove TM_P_H dependency.
27492
27493 2010-06-02  Jakub Jelinek  <jakub@redhat.com>
27494
27495         * tree.h (struct tree_decl_map): New type.
27496         (tree_decl_map_eq, tree_decl_map_marked_p): Define.
27497         (tree_decl_map_hash): New prototype.
27498         (debug_expr_for_decl, value_expr_for_decl): Change into
27499         tree_decl_map hashtab from tree_map.
27500         (init_ttree): Adjust initialization.
27501         (tree_decl_map_hash): New function.
27502         (decl_debug_expr_lookup, decl_debug_expr_insert,
27503         decl_value_expr_lookup, decl_value_expr_insert): Adjust.
27504
27505 2010-06-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
27506
27507         * configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2
27508         linker emulations.
27509         * configure: Regenerate.
27510         * config.in: Regenerate.
27511
27512         * config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define.
27513         (X86_64_EMULATION): Define.
27514         (TARGET_LD_EMULATION): Use them.
27515
27516         * config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define.
27517         (SPARC64_EMULATION): Define.
27518         (LINK_ARCH_SPEC): Use them.
27519
27520 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
27521
27522         * graphite-clast-to-gimple.c (gcc_type_for_interval): Use
27523         smallest_mode_for_size for computing the precision types of new
27524         graphite IVs.  Do not call lang_hooks.types.type_for_size.
27525
27526 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
27527
27528         * tree-if-conv.c (predicate_bbs): Do not reset the GIMPLE_DEBUG
27529         information.
27530         (remove_conditions_and_labels): Reset the GIMPLE_DEBUG information.
27531
27532 2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>
27533
27534         PR middle-end/44363
27535         * tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
27536         return false instead.
27537
27538 2010-06-02  Jan Hubicka  <jh@suse.cz>
27539
27540         PR middle-end/44295
27541         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Do not
27542         create new cgraph node to check callee.
27543
27544 2010-06-02  Richard Guenther  <rguenther@suse.de>
27545
27546         * lto-streamer-in.c (input_gimple_stmt): Fix typo.
27547
27548 2010-06-02  Richard Guenther  <rguenther@suse.de>
27549
27550         * lto-wrapper.c (lto_wrapper_exit): Rename to ...
27551         (lto_wrapper_cleanup): ... this.  Do not exit.
27552         (fatal): Adjust.  Exit here.
27553         (fatal_perror): Likewise.
27554         (fatal_signal): New function.
27555         (main): Set up signal handlers to cleanup temporary files.
27556         * Makefile.in (lto-wrapper.o): Adjust dependencies.
27557
27558 2010-06-02  Richard Guenther  <rguenther@suse.de>
27559
27560         PR tree-optimization/44377
27561         * tree-ssa-structalias.c (find_func_aliases): Fix typo.
27562
27563 2010-06-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
27564
27565         * config/s390/2097.md (z10_fhex): Remove insn reservation.
27566         * config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant.
27567         (*mov<mode>_64 TD_TF, *mov<mode>_31 TD_TF, *mov<mode>_64dfp DD_DF,
27568         *mov<mode>_64 DD_DF, *mov<mode>_31, mov<mode>): Remove load zero
27569         instruction.
27570         * config/s390/s390.c: Don't accept fp zeros as valid constants anymore.
27571
27572 2010-06-02  Jan Hubicka  <jh@suse.cz>
27573
27574         * bitmap.c (bitmap_descriptor): Add search_iter.
27575         (bitmap_find_bit): Increment it.
27576         (print_statistics): Print it.
27577
27578 2010-06-02  Nathan Froyd  <froydnj@codesourcery.com>
27579
27580         * tree-vect-slp.c (vect_create_mask_and_perm): Use gimple_build_call
27581         instead of gimple_build_call_vec.  Delete unnecessary local variable.
27582
27583 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
27584
27585         * gimplify.c (gimplify_body): Revert "Do not initialize RTL profiling"
27586         change from yesterday.
27587
27588 2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>
27589
27590         * c-ada-spec.c: Clean up redundant includes.
27591
27592 2010-06-01  Steven Bosscher  <steven@gcc.gnu.org>
27593
27594         * gimplify.c: Do not include except.h and optabs.h.
27595         (gimplify_body): Do not initialize RTL profiling.
27596         * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h,
27597         langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h.
27598         * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h,
27599         output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and
27600         langhooks.h.
27601
27602         * tree-pretty-print.h: Include pretty-print.h.
27603         * gimple-pretty-print.h: Include pretty-print.h.
27604
27605         * tree-pretty-print.c: Do not include diagnostic.h.
27606         * tree-vrp.c: Likewise.
27607         * tree-tailcall.c: Likewise
27608         * tree-scalar-evolution.c: Likewise
27609         * tree-ssa-dse.c: Likewise
27610         * tree-chrec.c: Likewise
27611         * tree-ssa-sccvn.c: Likewise
27612         * tree-ssa-copyrename.c: Likewise
27613         * tree-nomudflap.c: Likewise
27614         * tree-call-cdce.c: Likewise
27615         * tree-stdarg.c: Likewise
27616         * tree-ssa-math-opts.c: Likewise
27617         * tree-nrv.c: Likewise
27618         * tree-ssa-sink.c: Likewise
27619         * tree-browser.c: Likewise
27620         * tree-ssa-loop-ivcanon.c: Likewise
27621         * tree-ssa-loop.c: Likewise
27622         * tree-parloops.c: Likewise
27623         * tree-ssa-address.c: Likewise
27624         * tree-ssa-ifcombine.c: Likewise
27625         * tree-if-conv.c: Likewise
27626         * tree-data-ref.c: Likewise
27627         * tree-affine.c: Likewise
27628         * tree-ssa-phiopt.c: Likewise
27629         * tree-ssa-coalesce.c: Likewise
27630         * tree-ssa-pre.c: Likewise
27631         * tree-ssa-live.c: Likewise
27632         * tree-predcom.c: Likewise
27633         * tree-ssa-forwprop.c: Likewise
27634         * tree-ssa-dce.c: Likewise
27635         * tree-ssa-ter.c: Likewise
27636         * tree-ssa-loop-prefetch.c: Likewise
27637         * tree-optimize.c: Likewise
27638         * tree-ssa-phiprop.c: Likewise
27639         * tree-object-size.c: Likewise
27640         * tree-outof-ssa.c: Likewise
27641         * tree-ssa-structalias.c: Likewise
27642         * tree-switch-conversion.c: Likewise
27643         * tree-ssa-reassoc.c: Likewise
27644         * tree-ssa-operands.c: Likewise
27645         * tree-vectorizer.c: Likewise
27646         * tree-vect-data-refs.c: Likewise
27647         * tree-vect-generic.c: Likewise
27648         * tree-vect-stmts.c: Likewise
27649         * tree-vect-patterns.c: Likewise
27650         * tree-vect-slp.c: Likewise
27651         * tree-vect-loop.c: Likewise
27652         * tree-ssa-loop-ivopts.c: Likewise
27653         * tree-ssa-loop-im.c: Likewise
27654         * tree-ssa-loop-niter.c: Likewise
27655         * tree-ssa-loop-unswitch.c: Likewise
27656         * tree-ssa-loop-manip.c: Likewise
27657         * tree-ssa-loop-ch.c: Likewise
27658         * tree-dump.c: Likewise
27659         * tree-complex.c: Likewise
27660
27661         * tree-into-ssa.c: Do not include diagnostic.h and expr.h.
27662         * tree-ssa-uninit.c: Likewise
27663         * tree-ssa-threadupdate.c: Likewise
27664         * tree-ssa-uncprop.c: Likewise
27665         * tree-ssa-ccp.c: Likewise
27666         * tree-ssa-dom.c: Likewise
27667         * tree-ssa-propagate.c: Likewise
27668         * tree-ssa-alias.c: Likewise
27669         * tree-dfa.c: Likewise
27670         * tree-cfgcleanup.c: Likewise
27671         * tree-sra.c: Likewise
27672         * tree-ssa-copy.c: Likewise
27673         * tree-ssa.c: Likewise
27674         * tree-profile.c: Likewise
27675         * tree-cfg.c: Likewise
27676         * tree-ssa-threadedge.c: Likewise
27677         * tree-vect-loop-manip.c: Likewise
27678
27679         * tree-inline.c: Do not include diagnostic.h and expr.h.
27680         Include rtl.h.
27681         (copy_decl_for_dup_finish): Do not use NULL_RTX.
27682
27683         * tree-loop-linear.c: Do not include diagnostic.h, expr.h and optabs.h.
27684         * tree-loop-distribution.c: Likewise.
27685
27686 2010-06-01  Jan Hubicka  <jh@suse.cz>
27687
27688         * ipa-pure-const.c (local_pure_const): Do NORETURN discovery.
27689
27690 2010-06-01  Jan Hubicka  <jh@suse.cz>
27691
27692         * tree-cfgcleanup.c (fixup_noreturn_call): Break out from ...;
27693         remove return value.
27694         (split_bbs_on_noreturn_calls) .... here.
27695         * tree-optimize.c (execute_fixup_cfg): Fixup noreturn calls too.
27696         * tree-flow.h (fixup_noreturn_call): New.
27697
27698 2010-06-01  Jan Hubicka  <jh@suse.cz>
27699
27700         * emit-rtl.c (remove_insn): Fix thinko in prevoius patch.
27701
27702 2010-06-01  Nathan Froyd  <froydnj@codesourcery.com>
27703
27704         * tree.h (build_nt_call_list): Delete.
27705         * tree.c (build_nt_call_list): Delete.
27706
27707 2010-06-01  Jan Hubicka  <jh@suse.cz>
27708
27709         * fwprop.c: Make emit-rtl.h include last.
27710         * rtlanal.c: Include emit-rtl.h.
27711         * genautomata.c: Output emit-rtl include into insn-automata.c
27712         * df-scan.c: Include emit-rtl.h.
27713         * haifa-sched.c: Indlude emit-rtl.h.
27714         * mode-switching.c: Indlude emit-rtl.h.
27715         * graph.c: Indlude emit-rtl.h.
27716         * sel-sched.c: Include emit-rtl.h.
27717         * sel-sched-ir.c: Include emit-rtl.h.
27718         * ira-build.c: Include emit-rtl.h.
27719         * emit-rtl.c (first_insn, last_insn): Remove defines.
27720         (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid):
27721         Move to emit-rtl.h.
27722         (set_new_first_and_last_insn, get_last_insn_anywhere,
27723         get_first_nonnote_insn, get_last_nonnote_insn, try_split,
27724         make_call_insn_raw, add_insn_after, add_insn_before, remove_insn,
27725         delete_insns_since, reorder_insns_nobb, emit_insn_after_1,
27726         emit_debug_insn_before, emit_insn, start_sequence, push_to_sequence,
27727         push_to_sequence2, push_topmost_sequence, end_sequence, copy_insn):
27728         Use accessor functions.
27729         * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
27730          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
27731         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
27732         mem_expr_equal_p): Move here from rtl.h.
27733         (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid):
27734         Move here from emit-rtl.c; make inline.
27735         * cfglayout.h: Include emit-rtl.h.
27736         * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
27737          gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
27738         set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
27739         mem_expr_equal_p, get_insns, set_first-insn,
27740         get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h.
27741         * reg-stack.c: Include emit-rtl.h.
27742         * dce.c: Likewise.
27743
27744 2010-06-01  Jan Hubicka  <jh@suse.cz>
27745
27746         * cgraph.h (tree_function_versioning): Update prototype.
27747         (cgraph_function_versioning): Update prototype.
27748         * cgraphunit.c (cgraph_copy_node_for_versioning): Accept bbs_to_copy
27749         bitmap.
27750         (cgraph_function_versioning): Accept new_entry_block and bbs_to_copy.
27751         (cgraph_materialize_clone, save_inline_function_body): Update use of
27752         tree_function_versioning.
27753         * tree-inline.c (copy_bb): Look for previous copied block to link
27754         after; fix debug output.
27755         (copy_cfg_body): Accept new_entry_block and bbs_to_copy.
27756         (copy_body): Likewise.
27757         (expand_call_inline): Update use of copy_body.
27758         (tree_function_versioning): Update use of copy body; accept
27759         blocks_to_copy and new_entry.
27760
27761 2010-06-01  Jan Hubicka  <jh@suse.cz>
27762
27763         * gegenrtl.c: Remove unnecesary prototypes.
27764         (gendecl): Remove.
27765         (gendef): Produce static inline.
27766         (gencode): Remove.
27767         (main): Do not decode parameters; generate header only.
27768         * Makefile.in (genrtl.c): Remove.
27769
27770 2010-06-01  Jan Hubicka  <jh@suse.cz>
27771
27772         * tree-switch-conversion.c (build_one_array): Make it readonly.
27773
27774 2010-06-01  Richard Guenther  <rguenther@suse.de>
27775
27776         * optabs.c (init_optabs): Guard all accesses to reinit.
27777         * ipa-pure-const.c (propagate): Fix another typo.
27778         * opts.c (common_handle_option): Split assignment to bool.
27779         * c-opts.c (c_common_handle_option): Likewise.
27780
27781 2010-06-01  Arnaud Charlet  <charlet@adacore.com>
27782             Matthew Gingell  <gingell@adacore.com>
27783
27784         * doc/invoke.texi: Mention -fdump-ada-spec.
27785         * tree-dump.c (dump_files): Add ada-spec.
27786         (FIRST_AUTO_NUMBERED_DUMP): Bump to 8.
27787         * tree-pass.h (tree_dump_index): Add TDI_ada.
27788         * gcc.c: Add support for -C without -E and for -fdump-ada-spec.
27789         (cpp_unique_options): Do not reject -C or -CC when -E isn't present.
27790         (default_compilers) <@c-header>: Allow -fdump-ada-spec on header files.
27791         * c-decl.c: Include c-ada-spec.h.
27792         (collect_source_ref_cb, collect_all_refs, for_each_global_decl): New
27793         functions.
27794         (c_write_global_declarations): Add handling of -fdump-ada-spec.
27795         * c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT.
27796         * Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o.
27797         * c-ada-spec.h, c-ada-spec.c: New files.
27798
27799 2010-06-01  Richard Guenther  <rguenther@suse.de>
27800
27801         PR lto/43853
27802         * ipa-pure-const.c (get_function_state): Hand back varying state
27803         if we do not have one.
27804         (has_function_state): New function.
27805         (duplicate_node_data): Adjust.
27806         (remove_node_data): Likewise.
27807         (pure_const_write_summary): Likewise.
27808         (propagate): Likewise.  Fix typo.
27809
27810 2010-06-01  Jan Hubicka  <jh@suse.cz>
27811
27812         * tree-cfg.c (verify_stmt): Do not skip could_throw test.
27813         * passes.c (execute_function_todo): Do not make implicit verify_ssa.
27814         (execute_all_ipa_transforms): Do not play with the states.
27815
27816 2010-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
27817
27818         * config/arm/t-linux-androideabi: New.
27819         * config.gcc (arm*-*-linux-androideabi): Include multilib config.
27820
27821 2010-06-01  Jan Hubicka  <jh@suse.cz>
27822
27823         * tree-inline.c (estimate_num_insns): For stdarg functions look
27824         into call statement to count cost of argument passing.
27825
27826 2010-06-01  Kai Tietz  <kai.tietz@onevision.com>
27827
27828         * config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX
27829         argument for fprintf.
27830         (ix86_output_addr_diff_elt): Likewise.
27831         (x86_function_profiler): Likewise.
27832         * config/cygming.h (LOCAL_LABEL_PREFIX): Fix for x64 no-underscore.
27833         (LPREFIX): Likewise.
27834         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
27835
27836 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
27837
27838         PR target/44338
27839         * config/i386/sse.md (fma4i_fmadd<mode>4256, fma4i_fmsub<mode>4256,
27840         fma4i_fnmadd<mode>4256, fma4i_fnmsub<mode>4256, fma4i_fmadd<mode>4,
27841         fma4i_fmsub<mode>4, fma4i_fnmadd<mode>4, fma4i_fnmsub<mode>4,
27842         fma4i_vmfmadd<mode>4, fma4i_vmfmsub<mode>4, fma4i_vmfnmadd<mode>4,
27843         fma4i_vmfnmsub<mode>4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4,
27844         fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4,
27845         fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4):
27846         Guard only with TARGET_FMA4 instead of TARGET_FMA4 &&
27847         TARGET_FUSED_MADD.
27848
27849 2010-05-31  Jan Hubicka  <jh@suse.cz>
27850
27851         * tree.h (tree_range_check_failed): Declare noreturn.
27852
27853 2010-05-31  Jan Hubicka  <jh@suse.cz>
27854
27855         * gimple.c (gimple_call_builtin_p): New function.
27856         * gimple.h (gimple_call_builtin_p): Declare.
27857         * tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN
27858         to exit.
27859         (execute_warn_function_return): BUILT_IN_RETURN is return.
27860         (split_critical_edges): Return edges are not critical.
27861         (is_ctrl_altering_stmt): Builtin_in_return is altering.
27862         (gimple_verify_flow_info): Handle built_in_return.
27863         (execute_warn_function_return): Handle built_in_return.
27864         * ipa-pure-const.c (check_call): Ignore builtin_return.
27865
27866 2010-05-31  Jakub Jelinek  <jakub@redhat.com>
27867
27868         PR middle-end/44337
27869         * expr.c (expand_assignment): Don't store anything for out-of-bounds
27870         array accesses with non-MEM.
27871
27872         PR tree-optimization/44182
27873         * tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that
27874         newly needs to end a bb is followed by debug stmts, instead return
27875         true from the function at the end.
27876         (maybe_move_debug_stmts_to_successors): New function.
27877         (copy_cfg_body): Call it if copy_edges_for_bb returned true.
27878
27879 2010-05-31  Kai Tietz  <kai.tietz@onevision.com>
27880
27881         PR target/44161
27882         * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle flag_pic.
27883
27884 2010-05-31  Eric Botcazou  <ebotcazou@adacore.com>
27885
27886         * cgraphunit.c (cgraph_decide_is_function_needed): Really return false
27887         for nested functions in non-optimized compilation.
27888
27889 2010-05-31  Richard Guenther  <rguenther@suse.de>
27890
27891         * tree-ssa-structalias.c (find_func_aliases): Handle BUILT_IN_RETURN.
27892
27893 2010-05-30  Jan Hubicka  <jh@suse.cz>
27894
27895         * predict.c (maybe_hot_edge_p): Calls to functions called once is cold.
27896
27897 2010-05-30  Richard Guenther  <rguenther@suse.de>
27898
27899         PR lto/42975
27900         * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh.
27901         (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is
27902         no longer needed.
27903
27904 2010-05-30  Iain Sandoe  <iains@gcc.gnu.org>
27905
27906         * config/darwin.c (output_objc_section_asm_op): Add comment.
27907         (name_needs_quotes): Add '_' to list of valid comment chars.
27908         (machopic_output_function_base_name): Remove unneeded quotes.
27909         (darwin_encode_section_info): Adjust asm whitespace.
27910         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Adjust asm tabs.
27911         (ASM_OUTPUT_LOCAL): Ditto.
27912         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Ditto.
27913         * config/darwin.h (GLOBAL_ASM_OP): Ditto.
27914         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Ditto.
27915
27916 2010-05-30  Eric Botcazou  <ebotcazou@adacore.com>
27917
27918         * config/rs6000/rs6000.c (rs6000_output_function_entry): Use
27919         RS6000_OUTPUT_BASENAME unconditionally.
27920         (rs6000_output_function_epilogue): Likewise.
27921
27922 2010-05-30  Jan Hubicka  <jh@suse.cz>
27923
27924         * toplev.c (wrapup_global_declaration_2): Avoid creation of new varpool
27925         nodes.
27926
27927 2010-05-30  Richard Guenther  <rguenther@suse.de>
27928
27929         * tree-cfg.c (verify_gimple_assign_single): Implement
27930         verification for COND_EXPR rhs.
27931
27932 2010-05-30  Jan Hubicka  <jh@suse.cz>
27933
27934         * cgraph.h (cgraph_dump_file): Declare.
27935         * cgraphunit.c (cgraph_dump_file): Export.
27936         * ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less verbose.
27937
27938 2010-05-30  Jan Hubicka  <jh@suse.cz>
27939
27940         * dwarf2out.c (reference_to_unused,
27941         premark_types_used_by_global_vars_helper): Avoid creation of new
27942         varpool nodes.
27943
27944 2010-05-30  Jan Hubicka  <jh@suse.cz>
27945
27946         * cgraph.h (cgraph_node_cannot_return,
27947         cgraph_edge_cannot_lead_to_return): New functions.
27948         * cgraph.c (cgraph_node_cannot_return,
27949         cgraph_edge_cannot_lead_to_return): Use them.
27950         * ipa-pure-const.c (pure_const_names): New static var.
27951         (check_call): Handle calls not leading to return.
27952         (pure_const_read_summary): Dump info read.
27953         (propagate): Dump info about propagation process; ignore side effects
27954         of functions not leading to exit; fix handling of pure functions.
27955
27956 2010-05-30  Jan Hubicka  <jh@suse.cz>
27957
27958         * config/i386/i386.c (pro_epilogue_adjust_stack): Use EBP
27959         for tail call epilogues.
27960
27961 2010-05-30  Jan Hubicka  <jh@suse.cz>
27962
27963         * passes.c (ipa_write_optimization_summaries_1, ipa_write_summaries_2,
27964         ipa_read_summaries_1, ipa_read_optimization_summaries_1): Initialize
27965         dump files.
27966
27967 2010-05-29  Jan Hubicka  <jh@suse.cz>
27968
27969         * ipa.c (cgraph_remove_unreachable_node): Walk references of correct
27970         node; remove references in node we no longer keep in cgrpah but need
27971         body of.
27972
27973 2010-05-29  Jan Hubicka  <jh@suse.cz>
27974
27975         * cgraph.c (cgraph_mark_reachable): Relax check for analyzed nodes.
27976
27977 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27978
27979         PR target/44165
27980         * config/pa/pa32-linux.h (CTOR_LIST_BEGIN): Mark __CTOR_LIST__ as used.
27981
27982 2010-05-29  Jan Hubicka  <jh@suse.cz>
27983
27984         * tree-vrp.c (debug_value_range, debug_all_value_ranges,
27985         debug_asserts_for, debug_all_asserts): Annotate with DEBUG_FUNCTION.
27986         * tree-into-ssa.c (debug_decl_set, debug_defs_stack, debug_currdefs,
27987         debug_tree_ssa, debug_tree_ssa_stats, debug_def_blocks,
27988         debug_names_replaced_by, debug_update_ssa): Likewise.
27989         * sbitmap.c (debug_sbitmap): Likewise.
27990         * genrecog.c (debug_decision, debug_decision_list): Likewise.
27991         * tree-pretty-print.c (debug_generic_expr, debug_generic_stmt,
27992         debug_tree_chain): Likewise.
27993         * tree-loop-distribution.c (debug_rdg_partitions): Likewise.
27994         * cgraph.c (debug_cgraph_node, debug_cgraph): Likewise.
27995         * optabs.c (debug_optab_libfuncs): Likewise.
27996         (verify_loop_closed_ssa): Likewise.
27997         * value-prof.c (verify_histograms): Likewise.
27998         * reload.c (debug_reload_to_stream, debug_reload): Likewise.
27999         * bitmap.c (debug_bitmap_file, debug_bitmap, bitmap_print): Likewise.
28000         * cfghooks.c (verify_flow_info): Likewise.
28001         * fold-const.c (debug_fold_checksum): Likewise.
28002         * omp-low.c (debug_omp_region, debug_all_omp_regions): Likewise.
28003         * cfg.c (debug_regset, debug_flow_info, debug_bb, debug_bb_n):
28004         Likewise.
28005         * omega.c (debug_omega_problem): Likewise.
28006         * cgraphunit.c (verify_cgraph_node, verify_cgraph): Likewise.
28007         * tree-ssa-ccp.c (debug_lattice_value): Likewise.
28008         * dominance.c (verify_dominators, debug_dominance_info,
28009         debug_dominance_tree): Likewise.
28010         * df-core.c (df_insn_uid_debug, df_insn_debug, df_insn_debug_regno,
28011         * df_regno_debug, df_ref_debug,
28012         debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref,
28013         debug_df_defno, debug_df_useno, debug_df_chain): Likewise.
28014         * tree-ssa-dom.c (debug_dominator_optimization_stats): Likewise.
28015         * sel-sched.c (debug_state): Likewise.
28016         * tree-ssa-alias.c (debug_alias_info, debug_points_to_info_for):
28017         Likewise.
28018         * cfganal.c (print_edge_list, verify_edge_list): Likewise.
28019         * dwarf2out.c (debug_dwarf_die, debug_dwarf): Likewise.
28020         * tree-eh.c (verify_eh_edges, verify_eh_dispatch_edge): Likewise.
28021         * gimple-pretty-print.c (debug_gimple_stmt, debug_gimple_seq):
28022         Likewise.
28023         * c-pretty-print.c (debug_c_tree): Likewise.
28024         * sel-sched-dump.c (debug_insn_rtx, debug_vinsn, debug_expr, debug_insn
28025         debug_av_set, debug_lv_set, debug_ilist, debug_blist,
28026         debug_insn_vector, debug_hard_reg_set, debug_mem_addr_value): Likewise.
28027         * ebitmap.c (debug_ebitmap): Likewise.
28028         * function.c (debug_find_var_in_block_tree): Likewise.
28029         * print-rtl.c (debug_rtx): Likewise.
28030         (debug_rtx_count): Likewise.
28031         (debug_rtx_list, debug_rtx_range, debug_rtx_find): Likewise.
28032         * stor-layout.c (debug_rli): Likewise.
28033         * ipa.c (debug_cgraph_node_set, debug_varpool_node_set): Likewise.
28034         * tree-data-ref.c (debug_data_references,
28035         debug_data_dependence_relations, debug_data_reference,
28036         debug_data_dependence_relation, debug_rdg_vertex,
28037         debug_rdg_component, debug_rdg): Likewise.
28038         * tree-affine.c (debug_aff): Likewise.
28039         * tree-dfa.c (debug_referenced_vars, debug_variable, debug_dfa_stats):
28040         Likewise.
28041         * except.c (debug_eh_tree, verify_eh_tree): Likewise.
28042         * emit-rtl.c (verify_rtl_sharing): Likewise.
28043         * tree-ssa-pre.c (debug_pre_expr, debug_bitmap_set,
28044         debug_value_expressions): Likewise.
28045         * tree-ssa-live.c (debug_scope_block, debug_scope_blocks): Likewise.
28046         * sese.c (debug_rename_map, debug_ivtype_map): Likewise.
28047         * print-tree.c (debug_tree, debug_vec_tree): Likewise.
28048         * cfglayout.c (verify_insn_chain): Likewise.
28049         * graphite-clast-to-gimple.c (debug_clast_name_indexes,
28050         debug_clast_stmt, debug_generated_program): Likewise.
28051         * ggc-page.c (debug_print_page_list): Likewise.
28052         * tree-ssa-ter.c (debug_ter): Likewise.
28053         * graphite-dependences.c (debug_pddr): Likewise.
28054         * sched-deps.c (debug_ds): Likewise.
28055         * tree-ssa.c (verify_ssa): Likewise.
28056         * graphite-poly.c (debug_scattering_function, debug_iteration_domain,
28057         debug_scattering_functions, debug_iteration_domains, debug_pdr,
28058         debug_pdrs, debug_pbb_domain, debug_pbb, debug_scop_context,
28059         debug_scop, debug_cloog, debug_scop_params, debug_lst): Likewise.
28060         * tree-inline.c (debug_find_tree): Likewise.
28061         * graphite-ppl.c (debug_ppl_linear_expr, debug_ppl_polyhedron_matrix,
28062         debug_ppl_powerset_matrix): Likewise.
28063         * var-tracking.c (debug_dv): Likewise.
28064         * system.h (DEBUG_FUNCTION, DEBUG_VARIABLE): Define.
28065         * cfgloop.c (verify_loop_structure): Likewise.
28066         * plugin.c (dump_active_plugins, debug_active_plugins): Likewise.
28067         * c-common.c (verify_sequence_points): Likewise.
28068         * sched-rgn.c (debug_regions, debug_region, debug_candidate,
28069         debug_candidates, debug_rgn_dependencies): Likewise.
28070         * tree-ssa-structalias.c (debug_constraint, debug_constraints,
28071         * debug_constraint_graph, debug_solution_for_var,
28072         debug_sa_points_to_info): Likewise.
28073         * sched-vis.c (debug_insn_slim, debug_bb_slim, debug_bb_n_slim):
28074         Likewie.
28075         * tree-cfg.c (debug_cfg_stats, verify_stmts, debug_function,
28076         debug_loops, debug_loop, debug_loop_num): Likewise.
28077         * passes.c (debug_pass): Likewise.
28078         (dump_properties): Likewise; add cfglayout property.
28079         (debug_properties): Likewise.
28080         * tree-ssa-reassoc.c (debug_ops_vector): Likewise.
28081         * varpool.c (debug_varpool): Likewise.
28082         * regcprop.c (debug_value_data): Likewise.
28083         * tree-ssa-operands.c (verify_imm_links, debug_immediate_uses,
28084         debug_immediate_uses_for): Likewise.
28085
28086 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
28087
28088         PR bootstrap/44315
28089         * Makefile.in (build/gencondmd.o): Remove TM_H := $(GTM_H).
28090         Filter out insn-flags.h.
28091
28092 2010-05-29  Jan Hubicka  <jh@suse.cz>
28093
28094         * cgraph.h (struct varpool_node_set_def,
28095         struct cgraph_node_set_def): Remove unused AUX pointer.
28096         (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use
28097         VEC_empty macro.
28098
28099 2010-05-29  Jan Hubicka  <jh@suse.cz>
28100
28101         PR middle-end/44324
28102         * ipa-cp.c (ipcp_insert_stage): Replace "clone" by "constprop".
28103
28104 2010-05-29  Richard Guenther  <rguenther@suse.de>
28105
28106         * lto-streamer.c (cached_bp): New global variable.
28107         (bitpack_create): Return the cached bitpack, if available.
28108         (bitpack_delete): Clear and cache the bitpack, if appropriate.
28109         (bp_pack_value): Remove redundant asserts.
28110
28111 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
28112
28113         PR middle-end/44306
28114         * tree-if-conv.c (is_true_predicate): New.
28115         (is_predicated): Use is_true_predicate.
28116         (add_to_predicate_list): Same.  Do not use unshare_expr.
28117         (add_to_dst_predicate_list): Same.
28118
28119 2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>
28120
28121         * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux
28122         field on edges.
28123         (predicate_bbs): Same.
28124         (clean_predicate_lists): Same.
28125         (find_phi_replacement_condition): Do not AND the predicate from
28126         edge->aux.
28127
28128 2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>
28129
28130         PR bootstrap/44315
28131         * Makefile.in (build/gencondmd.o): Add a missing `\'.
28132
28133 2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28134
28135         PR target/44261
28136         config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
28137         (negdf2): Adjust expander pattern and use negdf2_slow.
28138         (negsf2): Likewise.
28139
28140 2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>
28141
28142         * basic-block.h (struct control_flow_graph): Move last_label_uid field
28143         up.
28144         * df.h (struct df_base_ref): Move regno field up.
28145         * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
28146         * expr.h (struct separate_ops): Move location field up.
28147         * optabs.h (struct optab_d): Move libcall_basename field down.
28148         * config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
28149         * config/i386/i386.h (struct machine_function): Convert call_abi field
28150         into a bitfield.  Move cfa field to the end of the structure.
28151
28152 2010-05-29  Jan Hubicka  <jh@suse.cz>
28153
28154         * varpool.c (varpool_get_node): Fix lookup.
28155
28156 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
28157
28158         * config/spu/spu-protos.h: Do not include rtl.h.  Protect
28159         RTL specific prototypes with #ifdef RTX_CODE.
28160         * config/spu/spu-c.c: Include c-common.h instead of c-tree.h.
28161         * config/spu/t-spu-elf: Fix dependencies.
28162
28163         * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency.
28164
28165 2010-05-29  Mike Stump  <mikestump@comcast.net>
28166
28167         PR bootstrap/44315
28168         * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of
28169         TM_H when building to avoid dependency loops.
28170
28171 2010-05-29  Jan Hubicka  <jh@suse.cz>
28172
28173         * cgraphunit.c (cgraph_materialize_clone): Only remove calles,
28174         refs and body; not the whole node for masters of materialized clones.
28175
28176 2010-05-29  Mike Stump  <mikestump@comcast.net>
28177
28178         * config/rs6000/rs6000-c.c: Remove c-tree.h include.
28179
28180 2010-05-29  Jan Hubicka  <jh@suse.cz>
28181
28182         * cgraph.c (clone_function_name): Take SUFFIX argument; export.
28183         (cgraph_create_virtual_clone): Take SUFFIX argument; udpate
28184         use of clone_function_name.
28185         * cgraph.h (cgraph_create_virtual_clone,
28186         cgraph_function_versioning): update prototypes.
28187         (clone_function_name): Declare.
28188         * ipa-cp.c (ipcp_insert_stage): Update call of
28189         cgraph_create_virtual_clone.
28190         * omp-low.c (create_omp_child_function_name): Use
28191         cgraph_create_virtual_clone.
28192         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating.
28193         (cgraph_function_versioning): Take SUFFIX argument; produce new name
28194         and make decl local.
28195
28196 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
28197
28198         * vec.h: Include statistics.h
28199         * Makefile.in: Introduce VEC_H.  Replace all vec.h dependencies
28200         with VEC_H.
28201
28202 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
28203
28204         * c-lex.c: Do not include c-tree.h.
28205         * c-pretty-print.c: Likewise.
28206         * c-opts.c: Likewise.
28207         * c-gimplify.c: Likewise.
28208         * c-common.c: Likewise.
28209         * c-dump.c: Likewise.  Include c-common.h.
28210
28211 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
28212
28213         * c-common.h (GCC_DIAG_STYLE): Define earlier in the file,
28214         before including diagnostic-core.h.
28215         (c_cpp_error): New prototype moved from c-tree.h.
28216         Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG.
28217         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define.
28218         (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead.
28219         (c_cpp_error): Prototype moved to c-common.h.
28220         * Makefile.in: Update dependency for C_COMMON_H.
28221
28222 2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>
28223
28224         * c-common.h: Add FIXME for awkward split of c_register_addr_space.
28225         * c-common.c (c_register_addr_space): Remove here.
28226         * c-decl.c (c_register_addr_space): Re-add here.
28227
28228 2010-05-28  Mike Stump  <mikestump@comcast.net>
28229
28230         * config/darwin-c.c: Remove c-tree.h include.
28231
28232 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
28233
28234         * gcc.c: Include diagnostic.h.
28235         (error_count): Remove.  All users changed to use errorcount.
28236         (programname): Remove.  All users changed to use progname.
28237         (fancy_abort, internal_error, fatal_error, error, warning, inform,
28238         fnotice): Remove.
28239         (execute): Don't include "Internal error" and bug reporting
28240         information in argument of internal_error call.
28241         (process_command): Don't increment error_count after calling
28242         perror_with_name.
28243         (input_filename): Rename to gcc_input_filename.  All users
28244         changed.
28245         (main): Call diagnostic_initialize.  Register delete_temp_files
28246         with atexit.  Use seen_error to test for errors.
28247         * gcc.h: Include diagnostic-core.h.
28248         (fatal_error, error, warning): Remove.
28249         * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H).
28250         (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o.
28251         (gcc.o): Update dependencies.
28252
28253 2010-05-28  Jeff Law  <law@redhat.com>
28254
28255         * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New
28256         functions.
28257         * ira.h (ira_bad_reload_regno): Declare
28258         * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno.
28259
28260         * ira-color.c (update_curr_costs): Free updated hard reg costs.
28261         (ira_reassign_conflict_allocnos): Remove bogus asserts.
28262         (allocno_reload_assign): Likewise.
28263
28264 2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>
28265
28266         * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
28267         build1_stat.
28268
28269 2010-05-28  Richard Guenther  <rguenther@suse.de>
28270
28271         PR lto/44312
28272         * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
28273         Stream fixed-point constants mode.
28274         (unpack_ts_type_value_fields): Fix width of TYPE_MODE
28275         and TYPE_PRECISION.
28276         * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
28277         Stream fixed-point constants mode.
28278         (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
28279         and TYPE_PRECISION.
28280
28281 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
28282
28283         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
28284         only place it was called from.
28285         (number_of_latch_executions): Do not return chrec_dont_know when the
28286         may_be_zero is a runtime condition: instead, return a COND_EXPR
28287         including the may_be_zero condition.
28288         * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
28289         of nb_iterations.
28290         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
28291         COND_EXPRs.
28292
28293 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
28294
28295         * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
28296         generate COND_EXPRs for degenerate_phi_result.
28297
28298 2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>
28299
28300         PR middle-end/44293
28301         * tree-if-conv.c (if_convertible_loop_p): Check the
28302         if-convertibility of phi nodes in non predicated BBs.
28303
28304 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
28305
28306         * gcc.c (error, warning, inform): Remove duplicate ": " in output.
28307
28308 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
28309
28310         PR driver/15303
28311         * gcc.c (inform, warning, inform): New functions.
28312         (fatal_ice): Rename to internal_error; change cmsgid parameter to
28313         gmsgid.  All callers changed.
28314         (notice): Rename to fnotice; add parameter fp.  All callers changed.
28315         (fatal_error): Rename to fatal_signal.  All users changed.
28316         (fatal): Rename to fatal_error; change cmsgid parameter to
28317         gmsgid.  All callers changed.
28318         (process_command): Use warning instead of error for warnings.
28319         (end_going_arg): Don't use _() around argument of error.
28320         (do_spec_1): Use inform for message from %n specs.  Use warning
28321         instead of error for warnings.
28322         (main): Use inform for comparison messages.  Use warning for
28323         message about unused linker input.
28324         (error): Increment error_count.  Print "error: ".
28325         * gcc.h (fatal): Change to fatal_error.
28326         (warning): Declare.
28327         * config/darwin-driver.c (darwin_default_min_version): Use warning
28328         instead of fprintf for warnings.
28329         * cppspec.c (lang_specific_driver): Use fatal_error instead of fatal.
28330
28331 2010-05-28  Julian Brown  <julian@codesourcery.com>
28332
28333         * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
28334         (*thumb2_addsi3_compare0_scratch): New.
28335         * config/arm/constraints.md (Pv): New.
28336         * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
28337         for ARM mode only.
28338         (*addsi3_compare0_scratch): Likewise.
28339
28340 2010-05-28  Jan Hubicka  <jh@suse.cz>
28341
28342         * ipa-reference.c (add_static_var): Remove redundant all_module_statics
28343         check.
28344         (ipa_reference_write_optimization_summary): Call is_proper_for_analysis
28345         only on local statics.
28346
28347 2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>
28348
28349         * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.
28350
28351 2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>
28352
28353         PR bootstrap/44314
28354         * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
28355         (OPTION_GLIBC): Define.
28356
28357 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
28358
28359         PR debug/41048
28360         * dwarf2out.c (double_int_type_size_in_bits): New function.
28361         (round_up_to_align): Change first argument and return value to
28362         double_int.
28363         (field_byte_offset): Work internally on double_ints.
28364
28365         PR target/43636
28366         * builtins.c (expand_movstr): Use a temporary pseudo instead
28367         of target even when target is not NULL and not const0_rtx, but
28368         fails movstr predicate.
28369         * config/m32c/blkmov.md (movstr): Add predicate to first operand.
28370
28371 2010-05-28  Joseph Myers  <joseph@codesourcery.com>
28372
28373         * final.c (rest_of_clean_state): Use %m in errors instead of
28374         strerror (errno).
28375         * gengtype.c (read_input_list, close_output_files): Use xstrerror
28376         instead of strerror.
28377         * toplev.c (process_options): Use %m in errors instead of strerror
28378         (errno).
28379         * tree-dump.c (dump_begin): Use %m in errors instead of strerror
28380         (errno).
28381
28382 2010-05-28  Uros Bizjak  <ubizjak@gmail.com>
28383
28384         * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
28385         (ix86_canonical_va_list_type): Make static.  Add declaration.
28386         (ix86_enum_va_list): Make static.  Reindent.
28387         * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
28388         (ix86_canonical_va_list_type): Ditto.
28389         (ix86_enum_va_list): Ditto.
28390
28391 2010-05-28  Richard Guenther  <rguenther@suse.de>
28392
28393         * lto-wrapper.c (run_gcc): With -save-temps generate a
28394         user-visible ltrans filename.  Fixup ltrans unit numbering.
28395
28396 2010-05-28  Kai Tietz  <kai.tietz@onevision.com>
28397
28398         * c-common.c (c_common_nodes_and_builtins): Replace use
28399         of TARGET_ENUM_VA_LIST by target hook enum_va_list.
28400         * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
28401         to ix86_enum_va_list.
28402         * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
28403         * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
28404         (TARGET_ENUM_VA_LIST_P): Add hook description.
28405         * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
28406         * target.h (gcc_target): Add enum_va_list hook.
28407
28408         PR bootstrap/44299
28409         * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
28410         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
28411         * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.
28412
28413 2010-05-28  Alan Modra  <amodra@gmail.com>
28414
28415         PR target/44266
28416         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
28417         emit_library_call machinery to set up __tls_get_addr calls.
28418
28419 2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
28420
28421         * config/s390/s390.md (movqi): Fix typo ('*' -> '#').
28422
28423 2010-05-28  Dodji Seketeli  <dodji@redhat.com>
28424
28425         Revert fix for PR c++/44188
28426         * c-common.c (is_typedef_decl): Revert the moving of  this
28427         definition ...
28428         * tree.c (is_typedef_decl): ... here.
28429         (typdef_variant_p): Revert the moving of this  definition
28430         here from cp/tree.c.
28431         * c-common.h (is_typedef_decl): Revert the moving of this
28432         declaration ...
28433         * tree.h (is_typedef_decl): ... here.
28434         (typedef_variant_p): Revert the moving of this  declaration here
28435         from cp/cp-tree.h
28436         * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
28437         (gen_tagged_type_die): Revert the splitting out of ...
28438         (gen_type_die_with_usage): ... this function. Revert the anonymous
28439         tagged type handling.
28440         (gen_typedef_die): Revert emitting DW_TAG_typedef  for
28441         typedefs naming anonymous tagged types.
28442
28443 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
28444
28445         * config/rs6000/rs6000-modes.def (PSImode): Delete.
28446
28447 2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>
28448
28449         * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
28450         * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
28451         throughout.
28452         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
28453         "xer" to "ca".
28454         Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
28455         XER_REGS to CA_REGS throughout.
28456         * config/rs6000/rs6000.h: Same.
28457         (ADDITIONAL_REGISTER_NAMES): Add "xer".
28458         * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
28459         that mode_iterator "P" is the size for arithmetic carries as well.
28460         * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.
28461
28462 2010-05-28  Jakub Jelinek  <jakub@redhat.com>
28463
28464         PR bootstrap/44255
28465         * combine.c (struct rtx_subst_pair): Define unconditionally.
28466         (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
28467         copy_rtx pair->to instead of cleanup_auto_inc_dec it.
28468         Call make_compound_operation on pair->to.
28469         (propagate_for_debug): Don't call make_compound_operation here.
28470         Always use simplify_replace_fn_rtx.
28471
28472 2010-05-27  Sterling Augustine  <sterling@tensilica.com>
28473
28474         * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
28475         * config/xtensa/xtensa.c (override_options): Check
28476           TARGET_FORCE_NO_PIC and set flag_pic.
28477         * config/xtensa/xtensa.opt: Document -mforce-no-pic
28478
28479 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
28480
28481         PR bootstrap/44299
28482         * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
28483         * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.
28484
28485 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
28486
28487         * diagnostic-core.h: New.  Contents moved from diagnostic.h and
28488         toplev.h.
28489         * diagnostic.c: Don't include toplev.h.
28490         (progname): Define.  Moved from toplev.c.
28491         (seen_error): New function.
28492         * diagnostic.h: Include diagnostic-core.h.
28493         (diagnostic_t, emit_diagnostic): Don't declare here.
28494         * toplev.c (progname): Move to toplev.c.
28495         (emit_debug_global_declarations, compile_file, finalize,
28496         do_compile, toplev_main): Use seen_error.
28497         * toplev.h: Include diagnostic-core.h.
28498         (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
28499         internal_error, warning, warning_at, error, error_n, error_at,
28500         fatal_error, pedwarn, permerror, sorry, inform, inform_n,
28501         verbatim, fnotice, progname): Move to diagnostic-core.h.
28502         * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
28503         (expand_builtin_expect): Use seen_error.
28504         * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
28505         (c_make_fname_decl, c_write_global_declarations): Use seen_error.
28506         * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
28507         * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
28508         * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
28509         * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
28510         errorcount for errors.
28511         * c-opts.c (c_common_finish): Use seen_error.
28512         * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
28513         * cgraphunit.c (verify_cgraph_node, verify_cgraph,
28514         cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
28515         * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
28516         (get_coverage_counts): Use seen_error.
28517         * dwarf2out.c (dwarf2out_finish): Use seen_error.
28518         * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
28519         gimplify_body): Use seen_error.
28520         * ipa-inline.c (cgraph_early_inlining): Use seen_error.
28521         * ipa-pure-const.c (gate_pure_const): Use seen_error.
28522         * ipa-reference.c (gate_reference): Use seen_error.
28523         * jump.c: Include diagnostic-core.h instead of diagnostic.h.
28524         * lambda-code.c: Include diagnostic-core.h instead of
28525         diagnostic.h.
28526         * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
28527         * lto-compress.c: Include diagnostic-core.h instead of
28528         diagnostic.h.
28529         * lto-section-in.c: Include diagnostic-core.h instead of
28530         diagnostic.h.
28531         * lto-streamer-out.c: Include diagnostic-core.h instead of
28532         diagnostic.h.
28533         * lto-streamer.c: Include diagnostic-core.h instead of
28534         diagnostic.h.
28535         (gate_lto_out): Use seen_error.
28536         * matrix-reorg.c: Include diagnostic-core.h instead of
28537         diagnostic.h.
28538         * omega.c: Include diagnostic-core.h instead of diagnostic.h.
28539         * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
28540         (gate_expand_omp, lower_omp_1): Use seen_error.
28541         * passes.c: Include diagnostic-core.h instead of diagnostic.h.
28542         (rest_of_decl_compilation, rest_of_type_compilation,
28543         gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
28544         * tree-cfg.c (label_to_block_fn): Use seen_error.
28545         * tree-inline.c (optimize_inline_calls): Use seen_error.
28546         * tree-mudflap.c (mudflap_finish_file): Use
28547         seen_error.
28548         * tree-optimize.c (gate_all_optimizations,
28549         gate_all_early_local_passes, gate_all_early_optimizations): Use
28550         seen_error.
28551         * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
28552         * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
28553         (varpool_remove_unreferenced_decls,
28554         varpool_assemble_pending_decls): Use seen_error.
28555         * Makefile.in (DIAGNOSTIC_CORE_H): Define.
28556         (TOPLEV_H, DIAGNOSTIC_H): Update.
28557         (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
28558         lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
28559         c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
28560         builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
28561         coverage.o, lambda-code.o): Update dependencies.
28562
28563 2010-05-25  Dodji Seketeli  <dodji@redhat.com>
28564
28565         PR c++/44188
28566         * c-common.c (is_typedef_decl): Move this definition ...
28567         * tree.c (is_typedef_decl): ... here.
28568         (typdef_variant_p): Move definition here from cp/tree.c.
28569         * c-common.h (is_typedef_decl): Move this declaration ...
28570         * tree.h (is_typedef_decl): ... here.
28571         (typedef_variant_p): Move declaration here from cp/cp-tree.h
28572         * dwarf2out.c (is_naming_typedef_decl): New function.
28573         (gen_tagged_type_die): Split out of ...
28574         (gen_type_die_with_usage): ... this function. When an anonymous
28575         tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
28576         is emitted for the typedef.
28577         (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
28578         anonymous tagged types.
28579
28580 2010-05-27  Jason Merrill  <jason@redhat.com>
28581
28582         * print-tree.c (debug_vec_tree): New fn.
28583         (print_vec_tree): New fn.
28584         * tree.h: Declare them.
28585         * gdbinit.in (pvt): New command.
28586
28587         * print-tree.c (print_node) [TREE_VEC]: Print elements normally.
28588
28589         * gdbinit.in (pdd): New command.
28590
28591 2010-05-27  Jan Hubicka  <jh@suse.cz>
28592
28593         * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
28594         (update_caller_keys): Return early if there are no callers;
28595         only update fibheap when decresing the key.
28596         (update_callee_keys): Avoid recursion.
28597         (decide_inlining_of_small_functions): When badness does not match;
28598         re-insert into fibheap.
28599
28600 2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>
28601
28602         * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
28603         (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
28604         (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
28605         (ALL_HOST_OBJS): Now a union of the above two.
28606         <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
28607         all files in ALL_HOST_FRONTEND_OBJS.
28608         * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.
28609
28610         * c-common.c: Pretend to be a backend file by undefining
28611         IN_GCC_FRONTEND (still need rtl.h here).
28612
28613 2010-05-27  Jan Hubicka  <jh@suse.cz>
28614
28615         * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
28616         * cgraphunit.c (clone_of_p): Compile only when checking is enabled.
28617
28618 2010-05-27  Jan Hubicka  <jh@suse.cz>
28619
28620         * sched-ebb.c: Rename struct deps to struct deps_desc.
28621         * ddg.c: Likewise.
28622         * sel-sched-ir.c: Likewise.
28623         * sched-deps.c: Likewise.
28624         * sched-int.h: Likewise.
28625         * sched-rgn.c: Likewise.
28626
28627 2010-05-27  Jon Beniston  <jon@beniston.com>
28628
28629         PR 43726
28630         * config/lm32/lm32.h: Remove definition of
28631         GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.
28632
28633 2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>
28634
28635         PR lto/44230
28636         * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.
28637
28638 2010-05-27  Richard Guenther  <rguenther@suse.de>
28639
28640         PR tree-optimization/44284
28641         * tree-vect-stmts.c (vectorizable_assignment): Handle
28642         sign-changing conversions as simple copy.
28643
28644 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
28645
28646         * gthr-posix.h (pthread_cancel): Don't declare if compiling against
28647         Bionic C library.
28648         (__gthread_active_p): Check for pthread_create if compiling against
28649         Bionic C library.
28650
28651 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
28652
28653         Support compilation for Android platform.  Reimplement -mandroid.
28654
28655         * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
28656         (*android*): Set ANDROID_DEFAULT.
28657         (arm*-*-linux*): Include linux-android.h.
28658         (arm*-*-eabi*): Don't include previous -mandroid implementation.
28659         * config/arm/eabi.h: Remove, move Android-specific parts ...
28660         * config/linux-android.h: ... here.  New file.
28661         * config/arm/eabi.opt: Rename to ...
28662         * config/linux-android.opt: ... this.
28663         (mandroid): Allow -mno-android option.  Initialize based on
28664         ANDROID_DEFAULT.
28665         * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
28666         Move logic to corresponding LINUX_TARGET_* macros.
28667         (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
28668         * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
28669         (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
28670         Android definitions.
28671         (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
28672         * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
28673         Document.
28674
28675 2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>
28676
28677         Add support for Bionic C library
28678
28679         * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
28680         macro.
28681         (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
28682         (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.
28683
28684         * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
28685         (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
28686         (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
28687         to support multiple C libraries.  Handle Bionic.
28688         (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
28689         (BIONIC_DYNAMIC_LINKER64): Define.
28690         (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
28691         Update.
28692         (TARGET_HAS_SINCOS): Enable for Bionic.
28693
28694         * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
28695         the last option specified on command line take effect.
28696         (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
28697         (mbionic): New.
28698         (mglibc, muclibc): Update.
28699
28700         * config/alpha/linux-elf.h, config/rs6000/linux64.h,
28701         * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
28702         DEFAULT_LIBC.
28703
28704         * doc/invoke.texi (-mglibc, -muclibc): Update.
28705         (-mbionic): Document.
28706
28707 2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
28708
28709         * c-common.h (c_register_addr_space): Add prototype.
28710         (ADDR_SPACE_KEYWORD): Remove.
28711         * c-common.c (c_register_addr_space): New function.
28712         (c_addr_space_name): Reimplement.
28713         (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.
28714
28715         * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
28716         (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.
28717
28718         * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
28719         Remove TARGET_ADDR_SPACE_KEYWORDS.
28720
28721 2010-05-27  Joseph Myers  <joseph@codesourcery.com>
28722
28723         * input.c: New file.
28724         * input.h (main_input_filename): Move declaration to toplev.h.
28725         * toplev.c (input_location, line_table): Move to input.c
28726         * toplev.h (main_input_filename): Move declaration from input.h.
28727         * tree.c (expand_location): Move to input.c.
28728         * Makefile.in (OBJS-common): Add input.o.
28729         (input.o): Add dependencies.
28730
28731 2010-05-27  Richard Guenther  <rguenther@suse.de>
28732
28733         * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
28734         for non-existant files.
28735         (fork_execute): Mark args_name file as deleted.
28736
28737 2010-05-27  Kai Tietz  <kai.tietz@onevision.com>
28738
28739         PR bootstrp/44287
28740         * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
28741         (narrow_signed_type): Likewise.
28742
28743 2010-05-26  Jan Hubicka  <jh@suse.cz>
28744
28745         * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
28746         edge only when checking is enabled; check using former_clone_of;
28747         check inline clones too.
28748         (cgraph_materialize_clone): Record former_clone_of pointer.
28749         (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
28750         combining redirections; dump args_to_skip bitmap
28751         (cgraph_materialize_all_clones): Do no redirection here.
28752         * ipa-inline.c (inline_transform): Do redirection here.
28753         * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
28754         cheking only).
28755
28756 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
28757
28758         * config/avr/avr-c.c: Do not include regs.h.
28759         Include cpplib.h for cpp_define and tree.h for c-common.h.
28760         * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
28761         * config/avr/t-avr: Fix dependencies for avr-c.o.
28762
28763 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
28764
28765         * explow.c (set_stack_check_libfunc): Adjust to accept name as a
28766         string instead of SYMBOL_REF rtx.
28767         * rtl.h (set_stack_check_libfunc): Move prototype from here...
28768         * libfuncs.h: ...to here.  Adjust for explow.c change.
28769
28770 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
28771
28772         * pretty-print.c: Don't include ggc.h.
28773         (identifier_to_locale_alloc, identifier_to_locale_free): Define.
28774         (identifier_to_locale): Use them for allocation.
28775         * pretty-print.h (identifier_to_locale_alloc,
28776         identifier_to_locale_free): Declare.
28777         * toplev.c (alloc_for_identifier_to_locale): New.
28778         (general_init): Set identifier_to_locale_alloc and
28779         identifier_to_locale_free.
28780         * Makefile.in (pretty-print.o): Update dependencies.
28781
28782 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
28783
28784         * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and
28785         pointer types if they have different alignment or mode.
28786
28787 2010-05-26  Anatoly Sokolov  <aesok@post.ru>
28788
28789         * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
28790         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
28791         * config/sparc/sparc-protos.h (function_value): Remove declaration.
28792         * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
28793         sparc_function_value_regno_p): New functions.
28794         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
28795         TARGET_FUNCTION_VALUE_REGNO_P): Define.
28796         (function_value): Rename to...
28797         (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
28798         argument to 'outgoing'.
28799         (function_arg_record_value, function_arg_union_value,
28800         function_arg_vector_value): Update comment.
28801
28802 2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>
28803
28804         * dwarf2out.c (struct dw_fde_struct): Reorder flags.
28805         (fde_needed_for_eh_p): New predicate.
28806         (output_call_frame_info): Use it throughout to decide whether FDEs
28807         are needed for EH purpose.
28808         (dwarf2out_begin_prologue): Reorder assignments.
28809
28810 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28811
28812         * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
28813         special case loop->header.
28814         (is_predicated): New.
28815         (if_convertible_loop_p): Call it.
28816
28817 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28818
28819         * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
28820         iterator in parameter.  Do not generate code during the analysis.
28821         (tree_if_convert_cond_stmt): Removed.
28822         (tree_if_convert_stmt): Removed.
28823         (predicate_bbs): New.
28824         (if_convertible_loop_p): Call predicate_bbs.
28825         (tree_if_conversion): Simplify the top-level logic as predicate_bbs
28826         now contains all the analysis part.
28827
28828 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28829
28830         * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
28831         statements in the analysis part.
28832         (tree_if_convert_stmt): Update comment.
28833         (remove_conditions_and_labels): New.
28834         (combine_blocks): Call remove_conditions_and_labels.
28835         (tree_if_conversion): Update comment.
28836
28837 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28838
28839         * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
28840         than 2 predecessors or more than 2 successors.
28841
28842 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28843
28844         * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
28845         of loops in which the data dependence analysis fails.
28846
28847 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28848
28849         * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
28850         CDI_POST_DOMINATORS.
28851         (tree_if_conversion): Same.
28852
28853 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28854
28855         * tree-if-conv.c (tree_if_conversion): Do not return a bool.
28856
28857 2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>
28858
28859         * tree-if-conv.c: Update copyright years.  Fix comments.
28860         Fix indentation.
28861
28862 2010-05-26  Kai Tietz  <kai.tietz@onevision.com>
28863
28864         * builtin-types.def (BT_INT128): New primitive type.
28865         (BT_UINT128): Likewise.
28866         * c-common.c (c_common_r): Add __int128 keyword.
28867         (c_common_type_for_size): Handle __int128.
28868         (c_common_type_for_mode): Likewise.
28869         (c_common_signed_or_unsigned_type): Likewise.
28870         (c_common_nodes_and_builtins): Add builtin type
28871         if target supports 128-bit integer scalar.
28872         * c-common.h (enum rid): Add RID_INT128.
28873         * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
28874         if target supports 128-bit integer scalar.
28875         * c-decl.c (declspecs_add_type): Handle new keyword __int128.
28876         (finish_declspecs): Likewise.
28877         * c-parser.c (c_token_starts_typename): Handle RID_INT128.
28878         (c_token_starts_declspecs): Likewise.
28879         (c_parser_declspecs): Likewise.
28880         (c_parser_attributes): Likewise.
28881         (c_parser_objc_selector): Likewise.
28882         * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
28883         * c-tree.h (enum c_typespec_keyword): Add cts_int128.
28884         * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
28885         * tree.c (make_or_reuse_type): Likewise.
28886         (make_unsigned_type): Likewise.
28887         (build_common_tree_nodes_2): Likewise.
28888         * tree.h (enum integer_type_kind): Add itk_int128 and
28889         itk_unsigned_int128.
28890         (int128_integer_type_node): New define.
28891         (int128_unsigned_type_node): New define.
28892         * doc/extend.texi: Add documentation about __int128 type.
28893
28894 2010-05-26  Richard Guenther  <rguenther@suse.de>
28895
28896         * tree-ssa-sccvn.c (copy_nary): Adjust.
28897         (copy_phis): Rename to ...
28898         (copy_phi): ... this.  Adjust.
28899         (copy_references): Rename to ...
28900         (copy_reference): ... this.  Adjust.
28901         (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
28902         result into the valid table.
28903
28904 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
28905
28906         * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
28907         insn-config.h, insn-codes.h, recog.h, and optabs.h.
28908
28909 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
28910
28911         * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove.
28912
28913 2010-05-26  Richard Guenther  <rguenther@suse.de>
28914
28915         * opts.c (common_handle_option): Handle OPT_Ofast.
28916
28917 2010-05-26  Joseph Myers  <joseph@codesourcery.com>
28918
28919         * diagnostic.c: Don't include opts.h.
28920         (permissive_error_option): Define.
28921         (diagnostic_initialize): Take n_opts parameter.  Allocate memory
28922         for classify_diagnostic.  Don't use memset for
28923         classify_diagnostic.  Initialize new and recently added fields.
28924         (diagnostic_classify_diagnostic): Use context->n_opts instead of
28925         N_OPTS.
28926         (diagnostic_report_diagnostic): Pass context parameter to
28927         diagnostic_report_warnings_p.  Use option_enabled and option_name
28928         hooks from context.
28929         (emit_diagnostic): Use permissive_error_option.
28930         (permerror): Likewise.
28931         * diagnostic.h: Don't include options.h.
28932         (struct diagnostic_context): Add n_opts, opt_permissive,
28933         inhibit_warnings, warn_system_headers, option_enabled and
28934         option_name fields.  Change classify_diagnostic to a pointer.
28935         * opts-diagnostic.h: New file.
28936         * opts.c: Include opts-diagnostic.h.
28937         (common_handle_option): Set global_dc fields for -Wfatal-errors,
28938         -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
28939         (option_name): New function.
28940         * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
28941         (c_common_handle_option): Set global_dc->permissive for
28942         -fpermissive.
28943         * c-common.c (c_cpp_error): Save and restore
28944         global_dc->warn_system_headers, not variable warn_system_headers.
28945         * toplev.c: Include opts-diagnostic.h.
28946         (general_init): Update call to diagnostic_initialize.  Set
28947         global_dc->show_column, global_dc->option_enabled and
28948         global_dc->option_name.
28949         (process_options): Don't set global_dc fields here.
28950         * Makefile.in (DIAGNOSTIC_H): Remove options.h.
28951         (diagnostic.o, opts.o, toplev.o): Update dependencies.
28952
28953 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
28954
28955         * config/picochip/picochip.md (movsi): Split a movsi from a
28956         const after reload.
28957
28958 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
28959
28960         * ggc-zone.c: Update copyright year.
28961         (poison_region): Mark memory for Valgrind as undefined before
28962         memset () call and inaccessible afterwards.
28963         (ggc_pch_total_size): Change type of i to int.
28964
28965 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
28966
28967         * ggc-common.c (ggc_free_overhead): Allow empty slot.
28968
28969 2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
28970
28971         * ggc-common.c: Update copyright year.
28972         (ggc_rlimit_bound): Remove prototype.  Compile only if
28973         !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
28974         (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
28975         && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
28976         (ggc_min_heapsize_heuristic): Likewise.
28977
28978 2010-05-26  Richard Guenther  <rguenther@suse.de>
28979
28980         PR rtl-optimization/44164
28981         * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
28982         no-common access-path disambiguation.
28983         (indirect_ref_may_alias_decl_p): Adjust.
28984         (indirect_refs_may_alias_p): Likewise.
28985         (refs_may_alias_p_1): Likewise.
28986
28987 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
28988
28989         * c-typeck.c: Do not include expr.h.
28990
28991 2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>
28992
28993         * rtl.h (decl_default_tls_model): Move prototype from here...
28994         * output.h: ...to here.
28995         * c-decl.c: Do not include rtl.h.
28996         * c-pragma.c: Likewise.
28997         * c-parser.c: Likewise.
28998         * c-gimplify.c: Likewise.  And also not hard-reg-set.
28999         * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
29000         FIXME note for it.  Add a FIXME note for expr.h.
29001         * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
29002         ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
29003         defined.
29004
29005 2010-05-26  Jakub Jelinek  <jakub@redhat.com>
29006
29007         PR target/44199
29008         * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
29009         or total_size is larger than red zone size for non-V4 ABI, emit a
29010         stack_tie resp. frame_tie insn before stack pointer restore.
29011         * config/rs6000/rs6000.md (frame_tie): New insn.
29012
29013 2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>
29014
29015         * function.h (struct function): Add can_throw_non_call_exceptions bit.
29016         * lto-streamer-in.c (input_function): Stream it in.
29017         * lto-streamer-out.c (output_function): Stream it out.
29018         * function.c (allocate_struct_function): Set it.
29019         (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
29020         for flag_non_call_exceptions.
29021         * cfgbuild.c (control_flow_insn_p): Likewise.
29022         (make_edges): Likewise.
29023         * cfgexpand.c (expand_stack_alignment): Likewise.
29024         * combine.c (distribute_notes): Likewise.
29025         * cse.c (cse_extended_basic_block): Likewise.
29026         * except.c (insn_could_throw_p): Likewise.
29027         * gcse.c (simple_mem): Likewise.
29028         * ipa-pure-const.c (check_call): Likewise.
29029         (check_stmt ): Likewise.
29030         * lower-subreg.c (lower-subreg.c): Likewise.
29031         * optabs.c (emit_libcall_block): Likewise.
29032         (prepare_cmp_insn): Likewise.
29033         * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
29034         * postreload.c (rest_of_handle_postreload): Likewise.
29035         * reload1.c (reload_as_needed): Likewise.
29036         (emit_input_reload_insns): Likewise.
29037         (emit_output_reload_insns): Likewise.
29038         (fixup_abnormal_edges): Likewise.
29039         * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
29040         * store-motion.c (find_moveable_store): Likewise.
29041         * tree-eh.c (stmt_could_throw_p): Likewise.
29042         (tree_could_throw_p): Likewise.
29043         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
29044         * config/arm/arm.c (arm_expand_prologue): Likewise.
29045         (thumb1_expand_prologue): Likewise.
29046         * config/rx/rx.md (cbranchsf4): Likewise.
29047         (cmpsf): Likewise.
29048         * config/s390/s390.c (s390_emit_prologue): Likewise.
29049         * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
29050         (inline_forbidden_into_p): New predicate.
29051         (expand_call_inline): Use it to forbid inlining.
29052         (tree_can_inline_p): Likewise.
29053
29054 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
29055
29056         * config/i386/i386-c.c: Do not include rtl.h.
29057         * config/i386/t-i386: Update dependencies.
29058
29059 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
29060
29061         * attribs.c: Do not include rtl.h.
29062         * Makefile.in: Update dependencies.
29063
29064 2010-05-25  Anatoly Sokolov  <aesok@post.ru>
29065
29066         * double-int.h (double_int_and): New.
29067         * combine.c (try_combine): Clean up, use double_int_* and
29068         immed_double_int_const functions.
29069
29070 2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29071
29072         * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
29073         stderr to /dev/null instead of grep -q.
29074         * configure: Regenerate.
29075
29076 2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>
29077
29078         * Makefile.in (EXCEPT_H): Fix typo.
29079
29080 2010-05-25  Vladimir Makarov  <vmakarov@redhat.com>
29081
29082         * ira-build.c (update_conflict_hard_reg_costs): New.
29083         (ira_build): Call update_conflict_hard_reg_costs.
29084
29085 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
29086
29087         PR debug/41371
29088         * var-tracking.c (find_loc_in_1pdv): Guard asserts with
29089         ENABLE_CHECKING.
29090         (intersect_loc_chains): Walk the s2var's loc_chain together
29091         with s1node chain as long as the locations are equal, don't
29092         call find_loc_in_1pdv in that case.
29093
29094         PR debug/42801
29095         * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
29096         (copy_bind_expr): ... instead of here.
29097         (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
29098         if the block hasn't been remapped.
29099         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
29100         emitting concrete instance of abstract VLA, add DW_AT_type attribute.
29101
29102 2010-05-25  Richard Guenther  <rguenther@suse.de>
29103
29104         PR middle-end/44069
29105         * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
29106         out-of-bounds array accesses.
29107
29108 2010-05-25  Richard Guenther  <rguenther@suse.de>
29109
29110         * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
29111         (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
29112         (run_gcc): Re-organize to make cleanup easier.
29113
29114 2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
29115
29116         * config/s390/s390.c (optimization_options): Fix and move the
29117         flag_prefetch_loop_arrays override ...
29118         (override_options): ... here.
29119
29120 2010-05-25  Joseph Myers  <joseph@codesourcery.com>
29121
29122         * diagnostic.c: Don't include plugin.h.
29123         (diagnostic_report_diagnostic): Don't handle plugins specially
29124         here.  Pass context to internal_error callback.
29125         * diagnostic.h (struct diagnostic_context): Add context parameter
29126         to internal_error callback.
29127         * plugin.c (warn_if_plugins, plugins_internal_error_function): New.
29128         * plugin.h (struct diagnostic_context): Declare.
29129         (warn_if_plugins, plugins_internal_error_function): Declare.
29130         * toplev.c (general_init): Set global_dc->internal_error.
29131         * Makefile.in (diagnostic.o): Update dependencies.
29132
29133 2010-05-25  Iain Sandoe  <iains@gcc.gnu.org>
29134
29135         * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
29136         * config/rs6000/t-darwin64: New.
29137         * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
29138         build crt2.
29139
29140 2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>
29141
29142         PR 44203
29143         * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
29144         match the original (and intended) behaviour before r159557.  This
29145         changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
29146         in two ways.
29147
29148 2010-05-25  Richard Guenther  <rguenther@suse.de>
29149
29150         * doc/invoke.texi: Document -Ofast.
29151         * target.h (struct gcc_target): Add handle_ofast.
29152         * target-def.h (TARGET_HANDLE_OFAST): Add.
29153         (TARGET_INITIALIZER): Adjust.
29154         * opts.c (decode_options): Handle -Ofast.  Enable -ffast-math with it.
29155         * common.opt (Ofast): Add.
29156
29157 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
29158
29159         * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
29160         * doc/md.texi (cstoreXX4): Update for cond-optab changes.
29161
29162 2010-05-25  Paolo Bonzini  <bonzini@gnu.org>
29163
29164         PR target/43610
29165         * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
29166         even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
29167         false_rtx.  Use false_rtx to compute the correct *ptest for reversed
29168         comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.
29169
29170 2010-05-25  Jakub Jelinek  <jakub@redhat.com>
29171
29172         * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
29173         DW_OP_minus with negated offset instead of DW_OP_plus.
29174         (loc_list_from_tree): Don't test whether second operand is INTEGER_CST.
29175
29176 2010-05-25  Wei Guozhi  <carrot@google.com>
29177
29178         * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
29179         tst instruction and a new alternative.
29180         * config/arm/constraints.md (Pu): New constraint.
29181
29182 2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>
29183
29184         * function.c (assign_stack_local_1): Initialize variable
29185         to avoid warning when bootstrapping at -O3.
29186
29187 2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>
29188
29189         * configure.ac (all_lang_makefiles): Remove everything related to it.
29190         * configure: Regenerate.
29191         * Makefile.in: Fix reference to ada Make-lang.in.
29192         Remove support for LANG_MAKEFILES.
29193
29194 2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
29195             Sandra Loosemore  <sandra@codesourcery.com>
29196
29197         * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
29198         * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
29199         description.  Add arm_neon_fp16_ok.
29200         (Add Options): Add arm_neon and arm_neon_fp16.
29201
29202 2010-05-24  Joseph Myers  <joseph@codesourcery.com>
29203
29204         * diagnostic.c: Don't include flags.h.
29205         (pedantic_warning_kind, permissive_error_kind): Take diagnostic
29206         context parameters.  Check flags in the context passed as a parameter.
29207         (diagnostic_build_prefix): Add context parameter.  Check
29208         show_column flag in context.
29209         (diagnostic_action_after_output): Check fatal_errors flag in context.
29210         (diagnostic_report_current_module): Check show_column flag in context.
29211         (default_diagnostic_starter): Update call to
29212         diagnostic_build_prefix.
29213         (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind.
29214         (emit_diagnostic): Pass context to permissive_error_kind.
29215         (permerror): Pass context to permissive_error_kind.
29216         * diagnostic.h (struct diagnostic_context): Add show_column,
29217         pedantic_errors, permissive and fatal_errors fields.
29218         (diagnostic_build_prefix): Update prototype.
29219         * langhooks.c
29220         * toplev.c (process_options): Set flags in global_dc from
29221         flag_show_column, flag_pedantic_errors, flag_permissive,
29222         flag_fatal_errors.
29223         * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
29224         to diagnostic_build_prefix.
29225         * Makefile.in (diagnostic.o): Update dependencies.
29226
29227 2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>
29228
29229         * config/i386/ia32intrin.h (__crc32q): Define only if
29230         __SSE4_2__ is defined.
29231
29232 2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>
29233
29234         PR target/44132
29235         PR middle-end/43602
29236         * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
29237         DECL_VISIBILITY_SPECIFIED.
29238         (emutls_decl): Set DECL_PRESERVE_P and copy
29239         DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
29240         (emutls_finalize_control_var): New callback.
29241         (emutls_finish): Finalize emutls control variables.
29242         * toplev.c (compile_file): Move the call to emutls_finish ()
29243         before varpool_assemble_pending_decls ().
29244
29245 2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>
29246
29247         * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
29248         added to the preprocessor condition.
29249
29250 2010-05-24  Paul Brook  <paul@codesourcery.com>
29251
29252         * gengtype-lex.l: Add HARD_REG_SET.
29253         * expr.c (expand_expr_real_1): Record writes to hard registers.
29254         * function.c (rtl_data): Add asm_clobbers.
29255         * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
29256         (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
29257         Use crtl->asm_clobbers.
29258
29259 2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29260
29261         * doc/makefile.texi (Makefile): Mention stages 'profile'
29262         and 'feedback' for profiledbootstrap.
29263
29264 2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>
29265
29266         PR target/44245
29267         * config/i386/i386.c (def_builtin): Properly check
29268         OPTION_MASK_ISA_64BIT.
29269
29270 2010-05-23  Joseph Myers  <joseph@codesourcery.com>
29271
29272         * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
29273         typedefs with different but compatible types.  Allow duplicate
29274         typedefs with the same type except for pedantic non-C1X, but give
29275         warning for variably modified types.
29276         * c-typeck.c (tagged_types_tu_compatible_p,
29277         function_types_compatible_p, type_lists_compatible_p,
29278         comptypes_internal): Add parameter different_types_p; set
29279         *different_types_p for different but compatible types.  All
29280         callers changed.
29281         (comptypes_check_different_types): New.
29282         * c-tree.h (comptypes_check_different_types): Declare.
29283
29284 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
29285
29286         * regs.h: Do not include obstack.h, basic-block.h.  Include machmode.h.
29287         * jump.c: Include basic-block.h.
29288         * profile.c: Likewise.
29289         * tree-profile.c: Likewise.
29290         * coverage.c: Likewise.
29291         * basic-block.h (optimize_function_for_size_p): Move to function.h.
29292         (optimize_function_for_speed_p): Likewise.
29293         * function.h (optimize_function_for_size_p,
29294         optimize_function_for_speed_p): Moved here from basic-block.h.
29295         * Makefile.in: Update dependencies.
29296
29297 2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
29298
29299         * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
29300         before calling make; allow override through $MAKE.
29301         * doc/invoke.texi (Optimize Options): Document override.
29302
29303 2010-05-23  Anatoly Sokolov  <aesok@post.ru>
29304
29305         * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
29306         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
29307         (rs6000_mode_dependent_address_ptr): Make static.
29308         * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
29309         * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
29310         Remove.
29311
29312 2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>
29313
29314         PR target/43869
29315         * config/i386/i386.c: Make sure that the correct regparm is passed.
29316
29317 2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>
29318
29319         * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
29320         * sbitmap.c: ...to here to internalize sbitmap element access.
29321         Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
29322         Explain why basic-block.h is included.
29323         * function.h: Include tm.h for CUMULATIVE_ARGS.
29324         * Makefile.in: Update dependencies.
29325
29326 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
29327
29328         * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
29329         New core types.
29330         * sbitmap.h (struct sbitmap_def): Do not typedef here.
29331         * sbitmap.c: Include sbitmap.h.
29332         * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
29333         hard-reg-set.h.  Split everything related to regsets out from here...
29334         * regset.h: ...to here.  New file.
29335         * df.h: Include regset.h and sbitmap.h.
29336         * tree-flow.h: Likewise.
29337         * cfgloop.h: Likewise.
29338         * except.h: Do not include sbitmap.h.  Include hashtab.h.
29339         * cgraph.h: Include vec.h and function.h.
29340         * reload.h (struct insn_chain): Change types of live_throughout
29341         and dead_or_set from regset_head to bitmap_head.
29342         (compute_use_by_pseudos): Be defined also if regset.h is not included.
29343         * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
29344         spilled_regs from regset_head to bitmap_head to avoid dependency
29345         in regset.h.
29346         * sel-sched-ir.h: Include regset.h.
29347         * reload.c: Include df.h before reload.h.
29348         * caller-save.c: Likewise.
29349         * reload1.c: Likewise.
29350         * ira.c: Likewise.
29351         (mark_elimination): Update type of r to bitmap, consistent with
29352         DF_LR_IN.
29353         * dominance.c: Include bitmap.h.
29354         * modulo-sched.c: Include df.h.
29355         * cfganal.c: Include bitmap.h and sbitmap.h.
29356         * cfgbuild.c: Include sbitmap.h.
29357         * lcm.c: Include sbitmap.h.
29358         * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
29359         * domwalk.c: Include sbitmap.h, exclude ggc.h.
29360         * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
29361         * cselib.c: Include bitmap.h.
29362         * tree-optimize.c: Include regset.h.
29363         * stmt.c: Include bitmap.h.
29364         * Makefile.in: Update dependencies.
29365
29366 2010-05-22  Jan Hubicka  <jh@suse.cz>
29367
29368         * cgraph.h (struct varpool_node): Add same_comdat_group.
29369         * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
29370         pointer.
29371         (output_varpool): Update call of lto_output_varpool_node.
29372         (input_varpool): Read same_comdat_group pointer.
29373         (input_varpool_1): Fixup same_comdat_group pointer.
29374         * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
29375         group is needed, all are.
29376         * varpool.c (varpool_remove_node): Remove node from same comdat group
29377         linklist too.
29378         (varpool_analyze_pending_decls): Walk same comdat groups.
29379
29380 2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>
29381
29382         * rtl.h (union rtunion_def): Remove rt_bit member.
29383         (XBITMAP, X0BITMAP, XCBITMAP): Remove.
29384         * print-rtl (print_rtx): Do not print the member.
29385         * gengtype.c (adjust_field_rtx_def): Do not handle it.
29386         * gengenrtl.c (type_from_format): Likewise.
29387         (accessor_from_format): Likewise.
29388
29389 2010-05-22  Joseph Myers  <joseph@codesourcery.com>
29390
29391         * dbgcnt.c: Include toplev.h instead of errors.h.
29392         * ira-emit.c: Don't include errors.h.
29393         * ira.c: Include toplev.h instead of errors.h.
29394         * lto-compress.c: Include toplev.h instead of errors.h.
29395         * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
29396         ira.o, dbgcnt.o): Update dependencies.
29397
29398 2010-05-22  Richard Guenther  <rguenther@suse.de>
29399
29400         * gimple.c (gimple_types_compatible_p): Check type qualifications
29401         before merging pointer to complete and pointer to incomplete type.
29402         * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
29403         we use our own resolution algorithm.  The gold linker plugin
29404         doesn't do the job we want it to do here.
29405
29406 2010-05-22  Anatoly Sokolov  <aesok@post.ru>
29407
29408         * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
29409         * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
29410         (sparc_mode_dependent_address_p): New function.
29411
29412 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
29413
29414         * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.
29415
29416         * timevar.c: Do not include any core headers.
29417         (timevar_print): De-i18n-ize.
29418         (print_time): Likewise.
29419         * timevar.h (timevar_push, timevar_pop): Make inline functions.
29420
29421 2010-05-21  Joseph Myers  <joseph@codesourcery.com>
29422
29423         * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
29424         langhooks-def.h.
29425         (diagnostic_initialize): Initialize x_data not last_function.
29426         (diagnostic_report_current_function): Move to tree-diagnostic.c.
29427         (default_diagnostic_starter): Call
29428         diagnostic_report_current_module not
29429         diagnostic_report_current_function.
29430         (diagnostic_report_diagnostic): Initialize x_data not
29431         abstract_origin.
29432         (verbatim): Likewise.
29433         * diagnostic.h (struct diagnostic_info): Change abstract_origin to
29434         x_data.
29435         (struct diagnostic_context): Change last_function to x_data.
29436         (diagnostic_auxiliary_data): Replace with
29437         diagnostic_context_auxiliary_data and
29438         diagnostic_info_auxiliary_data.
29439         (diagnostic_last_function_changed, diagnostic_set_last_function,
29440         diagnostic_report_current_function): Move to tree-diagnostic.h.
29441         (print_declaration, dump_generic_node, print_generic_stmt,
29442         print_generic_stmt_indented, print_generic_expr,
29443         print_generic_decl, debug_c_tree, dump_omp_clauses,
29444         print_call_name, debug_generic_expr, debug_generic_stmt,
29445         debug_tree_chain, default_tree_printer): Move to
29446         tree-pretty-print.h.
29447         (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
29448         print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
29449         gimple-pretty-print.h.
29450         * pretty-print.c: Don't include tree.h
29451         (pp_base_format): Don't handle %K here.
29452         (pp_base_tree_identifier): Move to tree-pretty-print.c.
29453         * pretty-print.h (text_info): Change abstract_origin to x_data.
29454         (pp_tree_identifier, pp_unsupported_tree,
29455         pp_base_tree_identifier): Move to tree-pretty-print.h.
29456         * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
29457         tree-pretty-print.h: New files.
29458         * tree-pretty-print.c: Include tree-pretty-print.h.
29459         (percent_K_format): New.  Moved from pretty-print.c.
29460         (pp_base_tree_identifier): Move from pretty-print.c.
29461         * c-objc-common.c: Include tree-pretty-print.h.
29462         (c_tree_printer): Handle %K here.
29463         * langhooks.c: Include tree-diagnostic.h.
29464         (lhd_print_error_function): Use diagnostic_abstract_origin macro.
29465         * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
29466         (default_tree_printer): Handle %K using percent_K_format.
29467         (general_init): Use default_tree_diagnostic_starter.
29468         * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
29469         (free_lang_data): Use default_tree_diagnostic_starter.
29470         * c-pretty-print.c: Include tree-pretty-print.h.
29471         * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h.
29472         * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h.
29473         * dwarf2out.c: Include tree-pretty-print.h.
29474         * except.c: Include tree-pretty-print.h.
29475         * gimple-pretty-print.c: Include tree-pretty-print.h and
29476         gimple-pretty-print.h.
29477         * gimplify.c: Include tree-pretty-print.h.
29478         * graphite-poly.c: Include tree-pretty-print.h and
29479         gimple-pretty-print.h.
29480         * ipa-cp.c: Include tree-pretty-print.h.
29481         * ipa-inline.c: Include gimple-pretty-print.h.
29482         * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h.
29483         * ipa-pure-const.c: Include gimple-pretty-print.h.
29484         * ipa-struct-reorg.c: Include tree-pretty-print.h and
29485         gimple-pretty-print.h.
29486         * ipa-type-escape.c: Include tree-pretty-print.h.
29487         * print-rtl.c: Include tree-pretty-print.h.
29488         * print-tree.c: Include gimple-pretty-print.h.
29489         * sese.c: Include tree-pretty-print.h.
29490         * tree-affine.c: Include tree-pretty-print.h.
29491         * tree-browser.c: Include tree-pretty-print.h.
29492         * tree-call-cdce.c: Include gimple-pretty-print.h.
29493         * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h.
29494         * tree-chrec.c: Include tree-pretty-print.h.
29495         * tree-data-ref.c: Include tree-pretty-print.h and
29496         gimple-pretty-print.h.
29497         * tree-dfa.c: Include tree-pretty-print.h.
29498         * tree-if-conv.c: Include tree-pretty-print.h and
29499         gimple-pretty-print.h.
29500         * tree-inline.c: Include tree-pretty-print.h.
29501         * tree-into-ssa.c: Include tree-pretty-print.h and
29502         gimple-pretty-print.h.
29503         * tree-nrv.c: Include tree-pretty-print.h.
29504         * tree-object-size.c: Include tree-pretty-print.h and
29505         gimple-pretty-print.h.
29506         * tree-outof-ssa.c: Include tree-pretty-print.h and
29507         gimple-pretty-print.h.
29508         * tree-parloops.c: Include tree-pretty-print.h and
29509         gimple-pretty-print.h.
29510         * tree-predcom.c: Include tree-pretty-print.h and
29511         gimple-pretty-print.h.
29512         * tree-scalar-evolution.c: Include tree-pretty-print.h and
29513         gimple-pretty-print.h.
29514         * tree-sra.c: Include tree-pretty-print.h.
29515         * tree-ssa-address.c: Include tree-pretty-print.h.
29516         * tree-ssa-alias.c: Include tree-pretty-print.h.
29517         * tree-ssa-ccp.c: Include tree-pretty-print.h and
29518         gimple-pretty-print.h.
29519         * tree-ssa-coalesce.c: Include tree-pretty-print.h.
29520         * tree-ssa-copy.c: Include tree-pretty-print.h and
29521         gimple-pretty-print.h.
29522         * tree-ssa-copyrename.c: Include tree-pretty-print.h.
29523         * tree-ssa-dce.c: Include tree-pretty-print.h and
29524         gimple-pretty-print.h.
29525         * tree-ssa-dom.c: Include tree-pretty-print.h and
29526         gimple-pretty-print.h.
29527         * tree-ssa-dse.c: Include gimple-pretty-print.h.
29528         * tree-ssa-forwprop.c: Include tree-pretty-print.h.
29529         * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
29530         * tree-ssa-live.c: Include tree-pretty-print.h and
29531         gimple-pretty-print.h.
29532         * tree-ssa-loop-im.c: Include tree-pretty-print.h and
29533         gimple-pretty-print.h.
29534         * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
29535         gimple-pretty-print.h.
29536         * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
29537         gimple-pretty-print.h.
29538         * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
29539         gimple-pretty-print.h.
29540         * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
29541         * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
29542         * tree-ssa-operands.c: Include tree-pretty-print.h and
29543         gimple-pretty-print.h.
29544         * tree-ssa-phiprop.c: Include tree-pretty-print.h and
29545         gimple-pretty-print.h.
29546         * tree-ssa-pre.c: Include tree-pretty-print.h and
29547         gimple-pretty-print.h.
29548         * tree-ssa-propagate.c: Include gimple-pretty-print.h.
29549         * tree-ssa-reassoc.c: Include tree-pretty-print.h and
29550         gimple-pretty-print.h.
29551         * tree-ssa-sccvn.c: Include tree-pretty-print.h and
29552         gimple-pretty-print.h.
29553         * tree-ssa-sink.c: Include gimple-pretty-print.h.
29554         * tree-ssa-ter.c: Include tree-pretty-print.h and
29555         gimple-pretty-print.h.
29556         * tree-ssa-uninit.c: Include gimple-pretty-print.h.
29557         * tree-ssa.c: Include tree-pretty-print.h and
29558         gimple-pretty-print.h.
29559         * tree-stdarg.c: Include gimple-pretty-print.h.
29560         * tree-switch-conversion.c: Include gimple-pretty-print.h.
29561         * tree-tailcall.c: Include tree-pretty-print.h and
29562         gimple-pretty-print.h.
29563         * tree-vect-data-refs.c: Include tree-pretty-print.h and
29564         gimple-pretty-print.h.
29565         * tree-vect-loop-manip.c: Include tree-pretty-print.h and
29566         gimple-pretty-print.h.
29567         * tree-vect-loop.c: Include tree-pretty-print.h and
29568         gimple-pretty-print.h.
29569         * tree-vect-patterns.c: Include gimple-pretty-print.h.
29570         * tree-vect-slp.c: Include tree-pretty-print.h and
29571         gimple-pretty-print.h.
29572         * tree-vect-stmts.c: Include tree-pretty-print.h and
29573         gimple-pretty-print.h.
29574         * tree-vectorizer.c: Include tree-pretty-print.h.
29575         * tree-vrp.c: Include tree-pretty-print.h and
29576         gimple-pretty-print.h.
29577         * value-prof.c: Include tree-pretty-print.h and
29578         gimple-pretty-print.h.
29579         * var-tracking.c: Include tree-pretty-print.h.
29580         * Makefile.in (OBJS-common): Add tree-diagnostic.o.
29581         (tree-diagnostic.o): New dependencies.
29582         (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
29583         tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
29584         tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
29585         tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
29586         tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
29587         tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
29588         tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
29589         tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
29590         tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
29591         tree-ssa-address.o, tree-ssa-loop-niter.o,
29592         tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
29593         tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
29594         tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
29595         gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
29596         tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
29597         tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
29598         tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
29599         tree-parloops.o, tree-stdarg.o, tree-object-size.o,
29600         gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
29601         toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
29602         ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
29603         ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
29604         tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
29605         tree-switch-conversion.o, var-tracking.o, value-prof.o,
29606         cfgexpand.o, pretty-print.o): Update dependencies.
29607
29608 2010-05-22  Andreas Tobler  <andreast@fgznet.ch>
29609
29610         * tree-ssa-structalias.c: Remove tm_p.h from include.
29611
29612 2010-05-21  Jeff Law  <law@redhat.com>
29613
29614         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.
29615
29616 2010-05-21  Jason Merrill  <jason@redhat.com>
29617
29618         * tree-eh.c (cleanup_is_dead_in): New.
29619         (lower_try_finally): Don't generate a dead cleanup region.
29620         (lower_cleanup): Likewise.
29621
29622 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
29623
29624         PR debug/44223
29625         * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
29626         unchain each use from the cyclic next_regno_use chain first.
29627
29628 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
29629
29630         * real: Do not include gmp.h, mpfr.h, and mpc.h.
29631         (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
29632         (real_value_negate, real_value_abs): New prototypes.
29633         (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
29634         * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
29635         new include file for interface between MPFR and REAL_VALUE_TYPE.
29636         * real.c: Include realmpfr.h.
29637         (real_arithmetic2): Remove legacy function.
29638         (real_value_negate): New.
29639         (real_value_abs): New.
29640         (mfpr_from_real, real_from_mpfr): Move from here...
29641         * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
29642         * builtins.c: Include realmpfr.h.
29643         * fold-const.c: Include realmpfr.h.
29644         (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
29645         (fold_negate_const): Likewise.
29646         (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
29647         * toplev.c: Include realmpfr.h.
29648         * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
29649         and real_value_negate.
29650         * fixed-value.c (check_real_for_fixed_mode): Likewise.
29651         * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
29652         (vfp3_const_double_index): Likewise.
29653         (arm_print_operand): Likewise.
29654         * Makefile.in: Update dependencies.
29655
29656 2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
29657
29658         * config/s390/s390.c (override_options): Increase the default
29659         of max-completely-peel-times.
29660
29661 2010-05-21  Julian Brown  <julian@codesourcery.com>
29662             Mark Mitchell  <mark@codesourcery.com>
29663
29664         * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
29665         sibling calls for Thumb-1.
29666         * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
29667         * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
29668         Thumb-2.
29669         (*call_insn, *call_value_insn): Don't use for Thumb-2.
29670         (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
29671         for Thumb-2.
29672         (return): New expander.
29673         (*arm_return): New name for ARM return insn.
29674         * config/arm/thumb2.md (*thumb2_return): New insn pattern.
29675
29676 2010-05-19  Joel Sherrill  <joel.sherrill@oarcorp.com>
29677
29678         * config.gcc (sparc64-*-rtems*): New target.
29679
29680 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
29681
29682         * tree.c (build_function_decl_skip_args): Fix grammar.
29683         (build_function_type_list_1): Fix typos, adjust formatting.
29684
29685 2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>
29686
29687         * tree.h: Include real.h and fixed-value.h as basic datatypes.
29688         * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
29689         tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
29690         tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
29691         tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
29692         genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
29693         tree-pretty-print.c, tree-loop-distribution.c,
29694         tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
29695         tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
29696         tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
29697         tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
29698         tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
29699         tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
29700         tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
29701         tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
29702         tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
29703         tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
29704         genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
29705         tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
29706         gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
29707         tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
29708         tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
29709         store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
29710         tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
29711         tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
29712         tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
29713         tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
29714         fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
29715         tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
29716         config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
29717         config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
29718         config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
29719         config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
29720         config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
29721         config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
29722         config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
29723         config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
29724         config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
29725         config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
29726         config/score/score7.c, config/score/score.c, config/arm/arm.c,
29727         config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
29728         config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
29729         config/bfin/bfin.c: Clean up redundant includes.
29730         * Makefile.in: Update accordingly.
29731
29732 2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>
29733
29734         PR middle-end/44204
29735         * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
29736         statement has no arguments.
29737
29738 2010-05-21  Kai Tietz  <kai.tietz@onevision.com>
29739
29740         PR/44139
29741         * varasm.c (emutls_decl): Merge attributes to new decl.
29742
29743 2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>
29744
29745         PR middle-end/44101
29746         * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
29747         around the uniquized constructor if its type requires a conversion.
29748
29749 2010-05-21  Jakub Jelinek  <jakub@redhat.com>
29750
29751         PR debug/44205
29752         * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
29753         at -O0 goto_locus of any of the incoming edges differs from
29754         goto_locus of outgoing edge, or gimple_location of any of the
29755         labels differs.
29756
29757 2009-09-14  Vladimir Makarov  <vmakarov@redhat.com>
29758
29759         * ira.c (ira_non_ordered_class_hard_regs): Define.
29760         (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
29761         * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
29762         * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
29763         cost of unaligned hard regs when allocating multi-reg pseudos.
29764
29765 2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>
29766
29767         * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
29768         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
29769         for TARGET_NO_FLOAT.
29770         * config/mips/mips.c (mips_file_start): Expand conditional expression
29771         into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
29772         (mips_override_options): Move -mno-float override -msoft-float and
29773         -mhard-float.
29774         * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
29775         Condition(TARGET_SUPPORTS_NO_FLOAT).
29776         * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
29777         __mips_no_float here.
29778         (SUBTARGET_OVERRIDE_OPTIONS): Delete.
29779         (TARGET_SUPPORTS_NO_FLOAT): Define.
29780         * config/mips/sdemtk.opt: Delete.
29781
29782 2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>
29783
29784         * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond.
29785
29786 2010-05-20  Uros Bizjak  <ubizjak@gmail.com>
29787
29788         PR target/43733
29789         * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
29790         * configure: Regenerate.
29791         * config.in: Regenerate.
29792         * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
29793         instead of sahf only for 64bit targets.
29794
29795 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
29796
29797         PR debug/44178
29798         * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
29799         setup_ref_regs for DEBUG_INSNs.
29800
29801 2010-05-20  Jan Hubicka  <jh@suse.cz>
29802
29803         PR middle-end/44197
29804         * varpool.c (varpool_remove_node): Handle in-varpool aliases.
29805
29806 2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
29807
29808         PR bootstrap/43870
29809         * df-scan.c (df_ref_compare): Stabilize sort.
29810
29811 2010-05-20  Jakub Jelinek  <jakub@redhat.com>
29812
29813         * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
29814         argument.  Don't use DW_OP_piece if offset is non-zero,
29815         put offset into second DW_OP_bit_piece argument.
29816         (dw_sra_loc_expr): Adjust callers.  For memory expressions
29817         compute offset.
29818
29819 2010-05-20  Hans-Peter Nilsson  <hp@axis.com>
29820
29821         PR target/44202
29822         * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
29823         settings for 16-bit-constant "addo" alternative.
29824
29825 2010-05-19  James E. Wilson  <wilson@codesourcery.com>
29826
29827         * config/mips/mips-dsp.md (add<DSPV:mode>3,
29828         mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.
29829
29830         PR target/43764
29831         * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
29832         (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
29833         Use it.
29834
29835 2010-05-19  Joseph Myers  <joseph@codesourcery.com>
29836
29837         * diagnostic.c (FLOAT, FFS): Don't undefine.
29838         * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
29839         * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
29840         include ordering.
29841
29842 2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>
29843
29844         * combine.c (propagate_for_debug): Call make_compound_operation
29845         on the source value.
29846         (try_combine): When implementing a split chosen by find_split_point,
29847         either copy i2src or set it to null.  Assert that i2src is not null
29848         before substituting into CALL_INSN_FUNCTION_USAGE.
29849
29850 2010-05-19  Anatoly Sokolov  <aesok@post.ru>
29851
29852         * double-int.h (double_int_ior): New function.
29853         * tree.h (build_int_cst_wide_type): Remove.
29854         * tree.c (build_int_cst_wide_type): Remove.
29855         * fold-const.c (native_interpret_int): Use double_int_to_tree instead
29856         of build_int_cst_wide_type.
29857         * stor-layout.c (set_sizetype): (Ditto.).
29858         * dojump.c (do_jump): Use build_int_cstu instead of
29859         build_int_cst_wide_type.
29860
29861 2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>
29862
29863         * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
29864         * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
29865         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
29866         * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
29867         TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
29868         propagate the 'data' argument to copy_tree_r.
29869         (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
29870         Propagate 'data' argument to walk_tree.
29871         (copy_if_shared): New function.
29872         (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
29873         (unmark_visited): New function.
29874         (unshare_body): Call copy_if_shared instead of doing it manually.
29875         (unvisit_body): Call unmark_visited instead of doing it manually.
29876
29877 2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>
29878
29879         * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
29880         (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
29881         * hooks.c: Likewise.
29882         * target-def.h (TARGET_FOLD_BUILTIN): Define to
29883         hook_tree_tree_int_treep_bool_null.
29884         * target.h (struct gcc_target): Update signature of fold_builtin
29885         field.
29886         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
29887         * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
29888         instead of the call expression.
29889         (fold_builtin_call_array): Pass n and argarray directly.
29890         (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
29891         consing a list.
29892         * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
29893         MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
29894         `i' and use it in place of `arity'.
29895         * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
29896         Dereference `args' directly.
29897         * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.
29898
29899 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29900
29901         * doc/sourcebuild.texi (Effective-Target Keywords): Document
29902         3dnow, sse3, sse2.
29903         (Directives): Document optional dg-require-effective-target
29904         selector.
29905
29906 2010-05-19  Richard Guenther  <rguenther@suse.de>
29907
29908         PR lto/44196
29909         * tree.c (find_decls_types_r): Walk BLOCKs and its vars.
29910
29911 2010-05-19  Richard Guenther  <rguenther@suse.de>
29912
29913         * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
29914         * common.opt (fwhopr=): New.
29915         * opts.c (common_handle_option): Handle OPT_fwhopr.
29916         * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
29917         * collect2.c (main): Match -fwhopr*.
29918         * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
29919         Execute ltrans stage in parallel when jobs is bigger than 1.
29920
29921 2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
29922
29923         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
29924         pentiumpro on Solaris 8/x86 with Sun as.
29925         * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
29926         hidden alias bug.
29927         (gcc_cv_as_ix86_quad): Check for .quad directive.
29928         * configure: Regenerate.
29929         * config.in: Regenerate.
29930         * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.
29931
29932 2010-05-19  Martin Jambor  <mjambor@suse.cz>
29933
29934         * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
29935         also for indirect edges.  Actual printing moved...
29936         (ipa_print_node_jump_functions_for_edge): ...here.
29937         (ipa_compute_jump_functions): Renamed to
29938         ipa_compute_jump_functions_for_edge and made static.
29939         (ipa_compute_jump_functions): New function.
29940         (make_edge_direct_to_target): Check if the number of arguments on
29941         the newly direct edge is the same as the number of parametrs of
29942         the callee.
29943         * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
29944         ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
29945         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
29946         analysis functions unconditionally, call the new
29947         ipa_analyze_params_uses on the node instead of every edge.
29948
29949 2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>
29950
29951         * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
29952         to tree.
29953         (dump_mem_ref): Adopt debug code to handle a tree as step.  This
29954         also checks for a constant int vs.  non-constant but
29955         loop-invariant steps.
29956         (find_or_create_group): Change the sort algorithm to only consider
29957         steps that are constant ints.
29958         (idx_analyze_ref): Adopt code to handle a tree instead of a
29959         HOST_WIDE_INT for step.
29960         (gather_memory_references_ref): Handle tree instead of int and be
29961         prepared to see a NULL_TREE.
29962         (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
29963         prefetches if the step cannot be calculated at compile time.
29964         (issue_prefetch_ref): Issue prefetches for non-constant but
29965         loop-invariant steps.
29966
29967 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
29968
29969         Revert:
29970         2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
29971
29972         * tree.h (build_call_list): Remove.
29973         * tree.c (build_call_list): Remove.
29974
29975 2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>
29976
29977         * tree.h (build_call_list): Remove.
29978         * tree.c (build_call_list): Remove.
29979
29980 2010-05-18  Jan Hubicka  <jh@suse.cz>
29981
29982         * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.
29983
29984 2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>
29985
29986         PR rtl-optimization/43332
29987         * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.
29988
29989 2010-05-18  Anatoly Sokolov  <aesok@post.ru>
29990
29991         * tree.h (build_int_cstu): Implement as static inline.
29992         * tree.c (build_int_cstu): Remove function.
29993         (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
29994         sign extended.
29995
29996 2010-05-18  Richard Guenther  <rguenther@suse.de>
29997
29998         PR lto/44143
29999         * lto-wrapper.c (verbose): New variable.  Initialize from -v.
30000         (debug): Initialize from -save-temps.
30001         (collect_execute): Print command-line when verbose.
30002         (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
30003         for ltrans invocation.  Produce -dumpbase flag again.
30004         (process_args): Remove.
30005         (main): Simplify.
30006         * collect2.c (maybe_run_lto_and_relink): Only pass object
30007         files to lto-wrapper.
30008         * gcc.c (LINK_COMMAND_SPEC): Likewise.
30009
30010 2010-05-18  Jan Hubicka  <jh@suse.cz>
30011
30012         * opts.c (decode_options): Do not disable whopr at ipa_cp.
30013         * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.
30014
30015 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
30016
30017         PR lto/44184
30018         * lto-streamer-out.c (output_gimple_stmt): Output number of labels
30019         in a GIMPLE_ASM.
30020         * lto-streamer-in.c (input_gimple_stmt): Read number of labels
30021         in a GIMPLE_ASM.
30022
30023 2010-05-18  Jakub Jelinek  <jakub@redhat.com>
30024
30025         PR debug/41371
30026         * var-tracking.c (find_loc_in_1pdv): Add a few checks from
30027         rtx_equal_p inline.
30028
30029 2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>
30030
30031         * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
30032         lto-macho as lto_binary_reader.
30033
30034         * darwin.c (darwin_asm_named_section): Do not add assembler comment
30035         after .section directive; just print it before the directive instead.
30036
30037 2010-05-17  Jan Hubicka  <jh@suse.cz>
30038
30039         * cgraph.c (cgraph_create_virtual_clone): Only check
30040         versionable_function_p when not in wpa and checking is enabled.
30041         * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
30042         there are no more functions to materialize.
30043
30044 2010-05-17  Jan Hubicka  <jh@suse.cz>
30045
30046         * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
30047         * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
30048         New functions.
30049         (output_cgraph): Call output_cgraph_opt_summary.
30050         (input_cgrpah): Call input_cgraph_opt_summary.
30051         (output_cgraph_opt_summary_p, output_node_opt_summary,
30052         input_node_opt_summary, input_cgraph_opt_section): New functions.
30053         * lto-section-in.c (lto_section_name): Add cgraphopt.
30054         * tree-inline.c (tree_function_versioning): Handle parm_num.
30055         * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
30056         * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.
30057
30058 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
30059
30060         * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
30061         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
30062         the insn to prefetch ratio heuristic to loops with known trip count.
30063
30064 2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>
30065
30066         * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
30067         (schedule_prefetches): Do not generate a prefetch if the unroll factor
30068         is far from what is required by the prefetch.
30069
30070 2010-05-17  Jan Hubicka  <jh@suse.cz>
30071
30072         * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
30073         (ipcp_estimate_growth): Likewise.
30074         (ipcp_const_param_count): Likewise.
30075         (ipcp_insert_stage): Likewise.
30076         * ipa-prop.c (visit_load_for_mod_analysis): New function.
30077         (visit_store_addr_for_mod_analysis): Set used flag.
30078         (ipa_detect_param_modifications): Set used flag for SSE params;
30079         update use of walk_stmt_load_store_addr_ops.
30080         (ipa_print_node_params): Print used flag.
30081         (ipa_write_node_info): Stream used flag.
30082         (ipa_read_node_info): Likewise.
30083         * ipa-prop.h (struct ipa_param_descriptor): Add used field.
30084         (ipa_is_param_used): New function.
30085         (lto_ipa_fixup_call_notes): Remove unused declaration.
30086
30087 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30088
30089         PR target/44074
30090         * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
30091         * configure: Regenerate.
30092         * config.in: Regenerate.
30093         * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
30094         !HAVE_AS_IX86_REP_LOCK_PREFIX.
30095         Don't emit whitespace.
30096         * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
30097         (*rep_movsi): Likewise.
30098         (*rep_movsi_rex64): Likewise.
30099         (*rep_movqi): Likewise.
30100         (*rep_movqi_rex64): Likewise.
30101         (*rep_stosdi_rex64): Likewise.
30102         (*rep_stossi): Likewise.
30103         (*rep_stossi_rex64): Likewise.
30104         (*rep_stosqi): Likewise.
30105         (*rep_stosqi_rex64): Likewise.
30106         (*cmpstrnqi_nz_1): Use {%;} after repz.
30107         (*cmpstrnqi_nz_rex_1): Likewise.
30108         (*cmpstrnqi_1): Likewise.
30109         (*cmpstrnqi_rex_1): Likewise.
30110         (*strlenqi_1): Use {%;} after repnz.
30111         (*strlenqi_rex_1): Likewise.
30112         * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
30113         (*sync_compare_and_swap<mode>): Likewise.
30114         (sync_double_compare_and_swap<mode>): Likewise.
30115         (*sync_double_compare_and_swapdi_pic): Likewise.
30116         (sync_old_add<mode>): Likewise.
30117         (sync_add<mode>): Likewise.
30118         (sync_sub<mode>): Likewise.
30119         (sync_<code><mode>): Likewise.
30120
30121 2010-05-17  Martin Jambor  <mjambor@suse.cz>
30122
30123         * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
30124         otr_token and polymorphic.
30125         * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
30126         (cgraph_clone_edge): Copy the above fields.
30127         * tree.c (get_binfo_at_offset): New function.
30128         * tree.h (get_binfo_at_offset): Declare.
30129         * ipa-prop.h (enum jump_func_type): Added known_type jump function
30130         type, reordered items, updated comments.
30131         (union jump_func_value): Added base_type field, reordered fields.
30132         (enum ipa_lattice_type): Moved down in the file.
30133         (struct ipa_param_descriptor): New field polymorphic.
30134         (ipa_is_param_polymorphic): New function.
30135         * ipa-prop.c: Include gimple.h and gimple-fold.h.
30136         (ipa_print_node_jump_functions): Print known type jump functions.
30137         (compute_complex_pass_through): Renamed to...
30138         (compute_complex_assign_jump_func): this.
30139         (compute_complex_ancestor_jump_func): New function.
30140         (compute_known_type_jump_func): Likewise.
30141         (compute_scalar_jump_functions): Create known type and complex ancestor
30142         jump functions.
30143         (ipa_note_param_call): New parameter polymorphic, set the corresponding
30144         flag in the call note accordingly.
30145         (ipa_analyze_call_uses): Renamed to...
30146         (ipa_analyze_indirect_call_uses): this.  New parameter target, define
30147         variable var only in the block where it is used.
30148         (ipa_analyze_virtual_call_uses): New function.
30149         (ipa_analyze_call_uses): Likewise.
30150         (combine_known_type_and_ancestor_jfs): Likewise.
30151         (update_jump_functions_after_inlining): Implemented handling of a
30152         number of new jump function types combination.
30153         (print_edge_addition_message): Removed.
30154         (make_edge_direct_to_target): New function.
30155         (try_make_edge_direct_simple_call): Likewise.
30156         (try_make_edge_direct_virtual_call): Likewise.
30157         (update_call_notes_after_inlining): Renamed to...
30158         (update_indirect_edges_after_inlining): this.  Moved edge creation for
30159         indirect calls to try_make_edge_direct_simple_call, also calls
30160         try_make_edge_direct_virtual_call for virtual calls.
30161         (ipa_print_node_params): Changed the header message.
30162         (ipa_write_jump_function): Stream also known type jump functions.
30163         (ipa_read_jump_function): Likewise.
30164         (ipa_write_indirect_edge_info): Stream new fields in
30165         cgraph_indirect_call_info.
30166         (ipa_read_indirect_edge_info): Likewise.
30167         * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
30168         GIMPLE_FOLD_H.
30169
30170 2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
30171
30172         * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.
30173
30174 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
30175
30176         * tree.h (CALL_EXPR_ARGS): Delete.
30177         (call_expr_arglist): Delete.
30178         * tree.c (call_expr_arglist): Delete.
30179         * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
30180         targetm.fold_builtin.
30181         * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
30182         Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
30183         * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
30184         arglist parameter.  Use CALL_EXPR_ARG.
30185         (picochip_expand_builtin_3op): Likewise.
30186         (picochip_expand_builtin_2opvoid): Likewise.
30187         (picochip_expand_array_get): Likewise.
30188         (picochip_expand_array_put): Likewise.
30189         (picochip_expand_array_testport): Likewise.
30190         (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
30191         rather than arglist.
30192         * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
30193         CALL_EXPR_ARGS.
30194         * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
30195         than TREE_VALUE and TREE_CHAIN.
30196         * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
30197         * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
30198         the arglist.
30199
30200 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
30201
30202         PR bootstrap/42347
30203         * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
30204         to have no fallthru edge.
30205
30206         PR middle-end/44102
30207         * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
30208         bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
30209         mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
30210         add BARRIER after previous bb if needed.
30211
30212 2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>
30213
30214         * tree.c (build_function_type_list_1): Remove bogus assert condition.
30215
30216 2010-05-17  Alan Modra  <amodra@gmail.com>
30217
30218         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
30219         unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
30220         with copy_reg rtx param.
30221         (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
30222         Correct cases where code for ABI_V4 did not initialise the reg
30223         used to access frame.  Also leave frame_reg_rtx as sp for large
30224         frames that save no regs.
30225
30226 2010-05-17  Martin Jambor  <mjambor@suse.cz>
30227
30228         PR middle-end/44133
30229         * tree-sra.c (create_access_replacement): New parameter rename, mark
30230         the replaement for renaming only when it is true.
30231         (get_access_replacement): Pass true in the rename parameter of
30232         create_access_replacement.
30233         (get_unrenamed_access_replacement): New function.
30234         (replace_uses_with_default_def_ssa_name): New parameter racc, get the
30235         replacement declaration from it.
30236
30237 2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>
30238
30239         * function.c (try_fit_stack_local, add_frame_space): New static
30240         functions.
30241         (assign_stack_local_1): Use them.  Look for opportunities to use
30242         space previously wasted on alignment.
30243         * function.h (struct frame_space): New.
30244         (struct rtl_data): Add FRAME_SPACE_LIST member.
30245         * reload1.c (something_was_spilled): New static variable.
30246         (alter_reg): Set it.
30247         (reload): Test it in addition to testing if the frame size changed.
30248
30249 2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>
30250
30251         * config/s390/s390.c: Define sane prefetch settings and activate
30252         flag_prefetch_loop_arrays on -O3.
30253         * config/s390/s390.h: Declare that read can use write prefetch.
30254
30255 2010-05-17  Jakub Jelinek  <jakub@redhat.com>
30256
30257         * lto-streamer-out.c (lto_output): Fix --enable-checking=release
30258         build.
30259
30260 2010-05-16  Jan Hubicka  <jh@suse.cz>
30261
30262         * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
30263         function body; do not check stdarg field of struct function.
30264
30265 2010-05-16  Jan Hubicka  <jh@suse.cz>
30266
30267         * cgraph.c (dump_cgraph_node): Dump versionable flag.
30268         * cgraph.h (cgraph_local_info): Add versionable flag.
30269         * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
30270         (ipcp_versionable_function_p): Use it.
30271         * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
30272         versionable flag.
30273
30274 2010-05-16  Jan Hubicka  <jh@suse.cz>
30275
30276         * cgraph.c (cgraph_clone_node): Take decl argument and insert
30277         clone into hash when it is different from orig.
30278         (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
30279         * cgraph.h (cgraph_clone_node): Update prototype.
30280         * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
30281         (lto_cgraph_encoder_delete): Delete body map.
30282         (lto_cgraph_encoder_size): Move to header.
30283         (lto_cgraph_encoder_encode_body_p,
30284         lto_set_cgraph_encoder_encode_body): New.
30285         (lto_output_node): Do not take written_decls argument; output clone_of
30286         pointer.
30287         (add_node_to): Add include_body_argument; call
30288         lto_set_cgraph_encoder_encode_body on master of the clone.
30289         (add_references): Update use of add_node_to.
30290         (compute_ltrans_boundary): Likewise.
30291         (output_cgraph): Do not create written_decls bitmap.
30292         (input_node): Take nodes argument; stream in clone_of correctly.
30293         (input_cgraph_1): Update use of input_node.
30294         * lto-streamer-out.c (lto_output): Use encoder info to decide
30295         what bodies to output.
30296         * ipa-inline.c (cgraph_clone_inlined_nodes,
30297         cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
30298         * lto-streamer.h (lto_cgraph_encoder_d): Add body.
30299         (lto_cgraph_encoder_size): Define here.
30300         (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
30301         Declare.
30302
30303 2010-05-16  Richard Guenther  <rguenther@suse.de>
30304
30305         * doc/invoke.texi (-fipa-struct-reorg): Do not mention
30306         -fipa-type-escape.
30307         * ipa-type-escape.c (gate_type_escape_vars): Run when
30308         -fipa-struct-reorg runs.
30309         * opts.c (decode_options): Do not unset flag_ipa_type_escape.
30310         * common.opt (fipa-type-escape): Remove.
30311
30312 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
30313
30314         * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
30315         (decode_options): Likewise.
30316         * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.
30317
30318 2010-05-16  Jan Hubicka  <jh@suse.cz>
30319
30320         * ipa.c (function_and_variable_visibility): Also bring local all
30321         aliases.
30322
30323 2010-05-16  Richard Guenther  <rguenther@suse.de>
30324
30325         * alias.c (nonoverlapping_memrefs_p): Remove use of
30326         IPA type-escape information.
30327
30328 2010-05-16  Joseph Myers  <joseph@codesourcery.com>
30329
30330         * c-common.c (c_common_reswords): Add _Static_assert for C.
30331         * c-parser.c (c_token_starts_declaration,
30332         c_parser_next_token_starts_declaration,
30333         c_parser_static_assert_declaration_no_semi,
30334         c_parser_static_assert_declaration): New.
30335         (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
30336         Handle static assertions if static_assert_ok.
30337         (c_parser_external_declaration, c_parser_declaration_or_fndef,
30338         c_parser_compound_statement_nostart, c_parser_label,
30339         c_parser_for_statement, c_parser_objc_methodprotolist,
30340         c_parser_omp_for_loop): All callers of
30341         c_parser_declaration_or_fndef changed.
30342         (c_parser_struct_declaration): Handle static assertions.
30343         (c_parser_compound_statement_nostart): Use
30344         c_parser_next_token_starts_declaration and
30345         c_token_starts_declaration to detect start of declarations.
30346         (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
30347         Likewise.
30348
30349 2010-05-16  Anatoly Sokolov  <aesok@post.ru>
30350
30351         * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
30352         LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
30353         * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
30354         TARGET_FUNCTION_VALUE_REGNO_P): Define.
30355         (mmix_function_outgoing_value): Rename to...
30356         (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
30357         (mmix_function_value_regno_p): Make static.
30358         (mmix_libcall_value): New function.
30359         * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
30360         mmix_function_value_regno_p): Remove declaration.
30361
30362 2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>
30363
30364         * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
30365         BUILT_IN_ALLOCA if stack checking is enabled.
30366
30367 2010-05-16  Richard Guenther  <rguenther@suse.de>
30368
30369         * var-tracking.c (vars_copy_1): Inline ...
30370         (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
30371         (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
30372         (variable_merge_over_cur): Adjust.  Merge asserts.
30373         (variable_merge_over_src): Likewise.
30374         (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
30375         (variable_post_merge_new_vals): Merge asserts.
30376         (variable_post_merge_perm_vals): Likewise.
30377         (find_mem_expr_in_1pdv): Likewise.
30378         (dataflow_set_different_value): Remove.
30379         (onepart_variable_different_p): Merge asserts.
30380         (variable_different_p): Likewise.
30381         (dataflow_set_different_1): Inline ...
30382         (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
30383         (emit_notes_for_differences_1): Merge asserts.
30384
30385 2010-05-16  Richard Guenther  <rguenther@suse.de>
30386
30387         * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
30388         * optabs.c (libfunc_decl_hash): Likewise.
30389         * varasm.c (emutls_decl): Likewise.
30390
30391 2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>
30392
30393         * c-decl.c: Don't include gimple.h.
30394         (merge_decls): Do not copy gimple_body.
30395
30396 2010-05-15  Jason Merrill  <jason@redhat.com>
30397
30398         * c.opt: Add -fnothrow-opt.
30399
30400 2010-05-15  Jan Hubicka  <jh@suse.cz>
30401
30402         * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
30403         analyzed.
30404         * passes.c (ipa_write_summaries): Write all analyzed nodes.
30405
30406 2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>
30407
30408         * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
30409         * Makefile.in: Add it.
30410         Fix all other Makefile dependencies for changes below.
30411         * tree.h: Include it instead of defining VEC primitives here.
30412         * gimple.h: Likewise.
30413         * rtl.h: Likewise.
30414         * tree-inline.h: Inlclude vecir.h instead of gimple.h.
30415         * except.h: Include vecir.h, break dependence on tree.h.
30416
30417         * gimplify.c (append_to_statement_list_1, append_to_statement_list):
30418         Move from here...
30419         * tree-iterator.c: ...to here.
30420         * tree-iterator.h: Fix file introduction comment.  Add extern markers.
30421
30422         * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
30423         tm_p.h.
30424         * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
30425         * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
30426         integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
30427         tree-mudflap.h, and target.h.
30428         * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
30429         predict.h, tree-inline.h, gimple.h, and langhooks.h.
30430         * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
30431         Add FIXME for why gimple.h is still included (should be unnecessary
30432         since GCC 4.5 gimplification unit-at-a-time).
30433         * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
30434         * c-pragma.c: Add FIXME for why function.h needs to be included just
30435         for cfun, at front-end level.
30436         Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
30437         Do not include ggc.h, but include vecprim.h for VEC(char).
30438         * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
30439         Explain why target.h is included.
30440         * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
30441         Explain why gimple.h is included.
30442         * c-ppoutput.c: Do not include tm.h.
30443         * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
30444         * c-parses.c: Explain why rtl.h is included, and that this (and only
30445         this) is also why tm.h must be included.
30446         Do not include except.h.
30447         * c-lang.c: Do not include ggc.h.
30448
30449 2010-05-15  Uros Bizjak  <ubizjak@gmail.com>
30450
30451         * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.
30452
30453 2010-05-15  Joseph Myers  <joseph@codesourcery.com>
30454
30455         * c-decl.c (grokfield): Allow typedefs for anonymous structs and
30456         unions by default if those structs and unions have no tags.  Do
30457         not condition anonymous struct and unions handling on flag_iso.
30458         Allow anonymous structs and unions for C1X.
30459         (finish_struct): Do not diagnose lack of named fields when
30460         anonymous structs and unions present for C1X.  Accept flexible
30461         array members in structure with anonymous structs or unions but no
30462         directly named fields.
30463         * doc/extend.texi (Unnamed Fields): Update.
30464
30465 2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>
30466
30467         * gimple.h (compare_field_offset): Rename into...
30468         (gimple_compare_field_offset): ...this.
30469         * gimple.c (compare_field_offset): Rename into...
30470         (gimple_compare_field_offset): ...this.  Compare the full access if
30471         the offset is self-referential.
30472         (gimple_types_compatible_p): Adjust for above renaming.
30473         * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
30474         DECL_NONADDRESSABLE_P flag of fields before merging them.
30475
30476 2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>
30477
30478         * tree.h (ctor_to_list): Delete.
30479         * tree.c (ctor_to_list): Delete.
30480
30481 2010-05-15  Jan Hubicka  <jh@suse.cz>
30482
30483         * ipa-reference.c: Include toplev.h
30484         (is_proper_for_analysis): Only add to all_module_statics
30485         if it is allocated.
30486         (write_node_summary_p, stream_out_bitmap,
30487         ipa_reference_write_optimization_summary,
30488         ipa_reference_read_optimization_summary): New.
30489         (struct ipa_opt_pass_d pass_ipa_reference): Add
30490         optimization summary streaming.
30491         * lto-cgraph.c (referenced_from_this_partition_p,
30492         reachable_from_this_partition_p): New functions.
30493         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
30494         call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
30495         * opts.c (decode_options): Enable ipa_reference.
30496         * Makefile.in (ipa-reference.o): Add toplev.h dependency.
30497         * lto-streamer.h (referenced_from_this_partition_p,
30498         reachable_from_this_partition_p): Declare.
30499
30500 2010-05-15  Richard Guenther  <rguenther@suse.de>
30501
30502         PR tree-optimization/44038
30503         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
30504         taking the address of a V_C_E of a constant.
30505
30506 2010-05-14  Jan Hubicka  <jh@suse.cz>
30507
30508         * tree.h (memory_identifier_string): Remove.
30509         * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
30510         (ipa_reference_global_vars_info_d): Remove statics_not_read and
30511         statics_not_written.
30512         (ipa_reference_optimization_summary_d): New structure.
30513         (ipa_reference_optimization_summary_t): New type and vector.
30514         (ipa_reference_vars_info_d): Embedd structures instead of using
30515         pointers.
30516         (reference_vars_to_consider): Remove out of GGC space.
30517         (module_statics_escape): Remove.
30518         (global_info_obstack): Rename to ...
30519         (optimization_summary_obstack): ... this one.
30520         (initialization_status_t): Remove.
30521         (memory_identifier_string): Remove.
30522         (get_reference_vars_info): Fix indenting.
30523         (set_reference_vars_info): Likewise.
30524         (get_reference_optimization_summary): New.
30525         (set_reference_optimization_summary): New.
30526         (get_global_reference_vars_info): Remove.
30527         (ipa_reference_get_read_global): Remove.
30528         (ipa_reference_get_written_global): Remove.
30529         (ipa_reference_get_not_read_global): Update.
30530         (ipa_reference_get_not_written_global): Update.
30531         (is_proper_for_analysis): Outlaw addressable.
30532         (propagate_bits): Update for new datastructures.
30533         (analyze_variable): Remove.
30534         (init_function_info): Update for new datastructures.
30535         (clean_function_local_data): Remove.
30536         (clean_function): Remove.
30537         (copy_global_bitmap): Use optimizations_summary_obstack.
30538         (duplicate_node_data): Duplicate optimization summary only.
30539         (remove_node_data): Remove optimization summary only.
30540         (generate_summary): Do not analyze variables; do not compute
30541         module_statics_escape; do not prune solutions by it.
30542         (read_write_all_from_decl): Fix typos in comments.
30543         (propagate): Doscover readonly and nonaddressable first;
30544         update for new datastructures; share global bitmaps.
30545         * ipa-reference.h (ipa_reference_get_read_global,
30546         ipa_reference_get_written_global): Remove.
30547         * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
30548         * Makefile.in: Remove ipa-refereference from GT files.
30549
30550 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
30551
30552         PR debug/44112
30553         * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
30554         for all SYMBOL_REF_DECLs.
30555
30556 2010-05-14  Jan Hubicka  <jh@suse.cz>
30557
30558         * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
30559         (varpool_all_refs_explicit_p): New inline function.
30560         * ipa-reference.c: Update comment.
30561         (module_statics_written): Remove.
30562         (get_static_decl): Remove.
30563         (ipa_init): Do not initialize module_statics_written.
30564         (analyze_function): Likewise.
30565         (generate_summary): Likewise; do not compute module_statics_readonly
30566         and do not update variable flags.
30567         (propagate): Call ipa_discover_readonly_nonaddressable_vars.
30568         * ipa.c: Inlucde flags.h
30569         (cgraph_local_node_p): New.
30570         (cgraph_remove_unreachable_nodes): Return early when not optimizing;
30571         promote functions to local.
30572         (ipa_discover_readonly_nonaddressable_vars): New function.
30573         (function_and_variable_visibility): Use cgraph_local_node_p.
30574         * varpool.c (varpool_finalize_decl): Set force_output for
30575         DECL_PRESERVE_P vars.
30576
30577 2010-05-14  Jan Hubicka  <jh@suse.cz>
30578
30579         * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.
30580
30581 2010-05-14  Richard Guenther  <rguenther@suse.de>
30582
30583         PR tree-optimization/44119
30584         * tree-ssa-pre.c (eliminate): Properly mark replacement of
30585         a PHI node necessary.
30586
30587 2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>
30588
30589         * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.
30590
30591 2010-05-14  Jason Merrill  <jason@redhat.com>
30592
30593         PR c++/44127
30594         * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
30595         (gimple_call_set_nothrow): New.
30596         * gimple.c (gimple_build_call_from_tree): Call it.
30597         (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.
30598
30599         PR c++/44127
30600         * gimplify.c (gimplify_seq_add_stmt): No longer static.
30601         * gimple.h: Declare it.
30602         * gimple.c (gimple_build_eh_filter): No ops.
30603
30604 2010-05-14  Jan Hubicka  <jh@suse.cz>
30605
30606         * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
30607         nodes already in queue.
30608         (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
30609         re-enqueueing node.
30610
30611 2010-05-14  Jakub Jelinek  <jakub@redhat.com>
30612
30613         PR debug/44136
30614         * cfgexpand.c (expand_debug_expr): If non-memory op0
30615         has BLKmode, return NULL.
30616
30617 2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>
30618
30619         * config.gcc: Add support for --with-cpu option for bdver1.
30620         * config/i386/i386.h (TARGET_BDVER1): New macro.
30621         (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
30622         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
30623         (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
30624         to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
30625         Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
30626         (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
30627         (processor_type): Add PROCESSOR_BDVER1.
30628         * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
30629         processor_type in config/i386/i386.h.
30630         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
30631         movaps <reg, reg> instead of movapd <reg, reg> when replacing
30632         movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
30633         Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
30634         to emit packed xor instead of packed double/packed integer
30635         xor for SSE and AVX when moving a zero value.
30636         * config/i386/sse.md: Add check for
30637         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
30638         movapd/movdqa for SSE and AVX.
30639         Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
30640         single logical operations i.e and, or and xor instead of packed double
30641         logical operations for SSE and AVX.
30642         * config/i386/i386-c.c (ix86_target_macros_internal):
30643         Add PROCESSOR_BDVER1.
30644         * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
30645         (has_fma4, has_xop): New.
30646         * config/i386/i386.c (bdver1_cost): New variable.
30647         (m_BDVER1): New macro.
30648         (m_AMD_MULTIPLE): Add m_BDVER1.
30649         (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
30650         x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
30651         x86_tune_use_simode_fiop, x86_tune_promote_qimode,
30652         x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
30653         x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
30654         x86_tune_sse_partial_reg_dependency,
30655         x86_tune_sse_unaligned_load_optimal,
30656         x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
30657         x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
30658         x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
30659         x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
30660         x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
30661         Enable/disable for bdver1.
30662         (processor_target_table): Add bdver1_cost.
30663         (cpu_names): Add bdver1.
30664         (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
30665          processor_alias_table.
30666         (ix86_expand_vector_move_misalign): Change.
30667         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
30668         Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
30669         Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
30670         of movupd/movdqu for SSE and AVX.
30671         (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
30672         (ix86_tune_adjust_cost): Add code for bdver1.
30673         (standard_sse_constant_opcode): Add check for
30674         TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
30675         of packed double xor for SSE and AVX.
30676
30677 2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>
30678
30679         * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
30680         result to unsigned.
30681
30682 2010-05-14  Tristan Gingold  <gingold@adacore.com>
30683
30684         * toplev.c (default_debug_hooks): Remove this variable.
30685         (process_options): Remove assignments to default_debug_hooks.
30686
30687 2010-05-14  Martin Jambor  <mjambor@suse.cz>
30688
30689         * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
30690         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
30691         * langhooks.h (struct lang_hooks_for_decls): Removed field
30692         fold_obj_type_ref.
30693         * tree.c (free_lang_data): Remove assignment to
30694         lang_hooks.fold_obj_type_ref.
30695         * tree.def (OBJ_TYPE_REF): Update comment.
30696
30697 2010-05-14  Richard Guenther  <rguenther@suse.de>
30698
30699         PR tree-optimization/44124
30700         * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.
30701
30702 2010-05-14  Alan Modra  <amodra@gmail.com>
30703
30704         PR target/44075
30705         * config/rs6000/rs6000.c (struct machine_function): Reorder
30706         fields for better packing.  Add lr_save_state.
30707         (rs6000_ra_ever_killed): Return lr_save_state if set.
30708         (rs6000_emit_eh_reg_restore): Set lr_save_state.
30709
30710 2010-05-13  Jan Hubicka  <jh@suse.cz>
30711
30712         * varpool.c (decide_is_variable_needed): Drop code checking
30713         TREE_SYMBOL_REFERENCED.
30714
30715 2010-05-13  Jan Hubicka  <jh@suse.cz>
30716
30717         * final.c (output_addr_const): Do not call mark_decl_referenced.
30718         * cgraphunit.c (process_function_and_variable_attributes): Use
30719         mark_needed_node dirrectly.
30720         (assemble_thunk): Do not call mark_decl_referenced.
30721
30722 2010-05-13  Anatoly Sokolov  <aesok@post.ru>
30723
30724         * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.
30725
30726 2010-05-13  Jeff Law  <law@redhat.com>
30727
30728         * ira-conflicts.c (print_allocno_conflicts): New function broken out
30729         from...
30730         (print_conflicts): Call print_allocno_conflicts.
30731
30732 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
30733
30734         PR debug/44104
30735         * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
30736         if it is NULL.
30737
30738 2010-05-13  Kai Tietz  <kai.tietz@onevision.com>
30739
30740         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
30741         t-mingw-w64 or t-mingw-w32 for multilib configuration.
30742         * config/i386/t-mingw-w32: New.
30743         * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.
30744
30745 2010-05-13  Martin Jambor  <mjambor@suse.cz>
30746
30747         * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
30748         gimple-fold.c).
30749         * gimple-fold.c (get_base_binfo_for_type): New function.
30750         (gimple_get_relevant_ref_binfo): Likewise.
30751         (gimple_fold_obj_type_ref_known_binfo): Likewise.
30752         (gimple_fold_obj_type_ref): Likewise.
30753         (fold_gimple_call): Simplify condition for folding virtual calls
30754         and call gimple_fold_obj_type_ref.
30755         * gimple.h (gimple_get_relevant_ref_binfo): Declare.
30756         (gimple_fold_obj_type_ref_known_binfo): Likewise.
30757
30758 2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>
30759
30760         * config/rs6000/rs6000-protos.h
30761         (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
30762         * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
30763         (rs6000_debug_mode_dependent_address)
30764         (rs6000_mode_dependent_address_ptr): Likewise.
30765
30766 2010-05-13  Jakub Jelinek  <jakub@redhat.com>
30767
30768         PR debug/43983
30769         * var-tracking.c (track_expr_p): Allow tracking of variables optimized
30770         by SRA.
30771         * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
30772         * tree-sra.c (create_access_replacement): Call unshare_expr before
30773         passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
30774         * dwarf2out.c: Include tree-flow.h.
30775         (struct var_loc_node): Rename var_loc_note field to loc, add comment.
30776         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
30777         Handle DW_OP_bit_piece.
30778         (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
30779         construct_piece_list, adjust_piece_list): New functions.
30780         (add_var_loc_to_decl): Handle SRA optimized variables.
30781         Adjust for var_loc_note to loc field renaming.
30782         (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
30783         in VAR_LOCATION note.
30784         (new_loc_descr_op_bit_piece): New function.
30785         (dw_sra_loc_expr): New function.
30786         (dw_loc_list): Use it.  Don't handle the last range after the
30787         loop, handle it inside of the loop.  Adjust for var_loc_note
30788         to loc field renaming.
30789         (add_location_or_const_value_attribute): Only special case
30790         single entry loc lists if loc is NOTE_P.  Adjust for
30791         var_loc_note to loc field renaming.
30792         (dwarf2out_var_location): Don't set newloc->var_loc_note
30793         and newloc->next here.
30794
30795 2010-05-12  Jan Hubicka  <jh@suse.cz>
30796
30797         * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
30798         flag.
30799         * cgraph.h (cgraph_only_called_directly_p,
30800         cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
30801         (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
30802         * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
30803         (assemble
30804         * ipa.c (cgraph_remove_unreachable_nodes): Use
30805         cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
30806         flags.
30807         * tree-inline.c (copy_bb): Check address_taken flag.
30808         * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
30809         externally_visible flag.
30810
30811 2010-05-12  Jason Merrill  <jason@redhat.com>
30812
30813         PR bootstrap/44048
30814         PR target/44099
30815         * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
30816         * sdbout.c (plain_type_1): Likewise.
30817         * dwarf2out.c (is_base_type): Likewise.
30818         (gen_type_die_with_usage): Likewise.  Generate
30819         DW_TAG_unspecified_type for any LANG_TYPE.
30820
30821 2010-05-12  Jan Hubicka  <jh@suse.cz>
30822
30823         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
30824         indrect edges too.
30825         * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
30826         (cgraph_clone_edge): Update.
30827         (cgraph_node_remove_callees): Remove indirect calls too.
30828         * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
30829         (cgraph_create_indirect_edge): Update prototype.
30830         * ipa-reference.c (has_proper_scope_for_analysis): Rename to
30831         is_proper_for_analysis.
30832         (add_new_function, visited_nodes, function_insertion_hook_holder,
30833         get_local_reference_vars_info, mark_address_taken, mark_address,
30834         mark_load, mark_store, check_asm_memory_clobber, check_call,
30835         scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
30836         (ipa_init): Do not initialize visited_nodes;
30837         function_insertion_hook_holder.
30838         (analyze_variable): Rewrite.
30839         (analyze_function): Rewrite.
30840         (copy_local_bitmap): Remove.
30841         (duplicate_node_dat): Do not duplicate local info.
30842         (generate_summary): Simplify to only walk cgraph.
30843         (write_node_summary_p, ipa_reference_write_summary,
30844         ipa_reference_read_summary): Remove.
30845         (propagate): Do not remove function insertion;
30846         generate summary.
30847         (pass_ipa_reference): NULLify summary handling fields.
30848         * lto-cgraph.c (lto_output_edge): Output ecf_flags.
30849         (input_edge): Input ecf_flags.
30850         * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
30851         (update_indirect_edges_after_inlining): Ignore edges with unknown
30852         param.
30853
30854 2010-05-12  Sriraman Tallam  <tmsriram@google.com>
30855
30856         * implicit-zee.c: New file.
30857         * tree-pass.h (pass_implicit_zee): Declare.
30858         * passes.c (init_optimization_passes): Add zee pass.
30859         * common.opt (fzee): New flag.
30860         * timevar.def (TV_ZEE): Define.
30861         * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
30862         and beyond.
30863         * Makefile.in (implicit-zee.o): Add new build file.
30864
30865 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
30866             Nathan Froyd  <froydnj@codesourcery.com>
30867
30868         * c-common.c (sync_resolve_params): Remove write-only variable.
30869
30870 2010-05-12  Anatoly Sokolov  <aesok@post.ru>
30871
30872         * target.h (struct gcc_target): Add mode_dependent_address_p field.
30873         * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
30874         (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
30875         * targhooks.c (default_mode_dependent_address_p): New function.
30876         * targhooks.h (default_mode_dependent_address_p): Declare function.
30877         * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
30878         (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
30879         * recog.c (mode_dependent_address_p): Call mode_dependent_address_p
30880         target hook. Change return type to bool.
30881         * recog.h (mode_dependent_address_p): Change return type to bool.
30882
30883 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
30884             Nathan Froyd  <froydnj@codesourcery.com>
30885
30886         * tree-mudflap.c (build_function_type_0, build_function_type_1,
30887         build_function_type_2, build_function_type_3): Remove.
30888         (mudflap_init): Use build_function_type_list.
30889
30890 2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
30891             Nathan Froyd  <froydnj@codesourcery.com>
30892
30893         * coverage.c (build_fn_info_value): Call build_constructor instead of
30894         build_constructor_from_list.
30895         (build_ctr_info_value): Likewise.
30896         (build_gcov_info): Likewise.
30897
30898 2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>
30899
30900         * tree.c (build_constructor): Compute TREE_CONSTANT for the
30901         resultant constructor.
30902         (build_constructor_single): Don't set TREE_CONSTANT.
30903         (build_constructor_from_list): Don't compute TREE_CONSTANT.
30904
30905 2010-05-12  Jan Hubicka  <jh@suse.cz>
30906
30907         * cgraph.h (struct varpool_node): Add aux.
30908         * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
30909         * varpool.c (varpool_remove_node): Do not remove initializer.
30910         (varpool_reset_queue): Export.
30911         (varpool_finalize_decl): Volatile vars are forced to be output.
30912         * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
30913         replaced decl.
30914         * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
30915         process_references, varpool_can_remove_if_no_refs): New functions.
30916         (cgraph_remove_unreachable_nodes): Handle variables too.
30917
30918 2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>
30919
30920         PR target/44088
30921         * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.
30922
30923 2010-05-12  Jakub Jelinek  <jakub@redhat.com>
30924
30925         PR middle-end/44085
30926         * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
30927         change value of ORT_TASK.
30928         (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
30929         (omp_notice_threadprivate_variable): New function.
30930         (omp_notice_variable): Call it for threadprivate variables.
30931         If enclosing ctx is a task, print enclosing task rather than
30932         enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
30933         (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
30934         if task has untied clause.
30935
30936         PR debug/42278
30937         * dwarf2out.c (base_type_die): Don't add name attribute here.
30938         (modified_type_die): Instead of sizetype use
30939         its underlying original type.  If a DW_TAG_base_type doesn't
30940         have name added, add __unknown__.
30941         (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
30942         always call force_type_die instead.
30943
30944 2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>
30945
30946         * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
30947         for __stack_chk_guard.
30948
30949 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
30950
30951         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
30952         don't call start_source_file debug hook here...
30953         (finish_options): ... but here, after outputting predefined and
30954         command line defines and undefs.
30955
30956         PR middle-end/44071
30957         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
30958         no fallthru edge.
30959         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
30960         optimizing away empty bb with no successors, move over its
30961         footer chain to fallthru predecessor.
30962         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
30963         (rtl_split_edge): For asm goto call patch_jump_insn even if
30964         splitting fallthru edge.
30965
30966         PR c++/44059
30967         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
30968         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
30969         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
30970         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
30971         on DW.ref.* decls.
30972
30973         PR c++/44062
30974         * c-parser.c (c_parser_expression): Mark LHS of a comma
30975         expression as read if it is a decl, handled component or
30976         COMPOUND_EXPR with that on the RHS.
30977         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
30978         if it is a decl or handled component.
30979
30980 2010-05-11  Jan Hubicka  <jh@suse.cz>
30981
30982         * lto-symtab.c (lto_symtab_free): New function.
30983         * lto-streamer.h (lto_symtab_free): Declare.
30984
30985 2010-05-11  Jan Hubicka  <jh@suse.cz>
30986
30987         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
30988         that if function is needed it is reachable.
30989         (lto_output_node): See if it the function is reachable or referenced.
30990         (output_cgraph): Update call of lto_output_node.
30991         * lto-streamer.h (reachable_from_other_partition_p): Declare.
30992
30993 2010-05-11  Jan Hubicka  <jh@suse.cz>
30994
30995         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
30996         Mark as used.
30997
30998 2010-05-11  Jan Hubicka  <jh@suse.cz>
30999
31000         PR tree-optimize/44063
31001         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
31002         queue.
31003         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
31004         limits.
31005         (estimate_function_body_sizes): Compute sizes even when disregarding.
31006
31007 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
31008
31009         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
31010
31011 2010-05-11  Jan Hubicka  <jh@suse.cz>
31012
31013         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
31014         into every boundary.
31015
31016 2010-05-11  Jan Hubicka  <jh@suse.cz>
31017
31018         * matrix-reorg.c (matrix_reorg): Rebuild edges.
31019
31020 2010-05-11  Jan Hubicka  <jh@suse.cz>
31021
31022         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
31023         lto_streamer_cache_delete): Put nodes into heap.
31024         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
31025         heap.
31026
31027 2010-05-11  Jan Hubicka  <jh@suse.cz>
31028
31029         * cgraphbuild.c (cgraph_rebuild_references): New.
31030         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
31031         out extern inlines.
31032         * cgraph.h (cgraph_rebuild_references): Declare.
31033         * tree-inline.c (tree_function_versioning): Use it.
31034         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
31035
31036 2010-05-11  Jan Hubicka  <jh@suse.cz>
31037
31038         * cgraph.c: Include ipa-utils.h
31039         (cgraph_create_virtual_clone): Update references.
31040         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
31041
31042 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
31043
31044         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
31045         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
31046         cache size.
31047
31048 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
31049
31050         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
31051
31052 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
31053
31054         * gcc.c (execute): For -### don't quote arguments that
31055         contain just alphanumerics and _/-. characters.
31056         * doc/invoke.texi: Document that change for -###.
31057
31058         PR debug/44023
31059         * df-problems.c (struct dead_debug): Add to_rescan field.
31060         (dead_debug_init): Clear to_rescan field.
31061         (dead_debug_finish): Rescan all debug insns in to_rescan
31062         bitmap and free the bitmap.
31063         (dead_debug_insert_before): Instead of rescanning debug insns
31064         immediately queue their rescanning until dead_debug_finish.
31065         (df_note_bb_compute): After dead_debug_add do continue instead
31066         of break.
31067
31068 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
31069
31070         PR debug/44028
31071         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
31072         clear also INSN_REG_USE_LIST.
31073
31074 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31075
31076         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
31077
31078 2010-05-10  Jan Hubicka  <jh@suse.cz>
31079
31080         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
31081         commited change.
31082
31083 2010-05-10  Jan Hubicka  <jh@suse.cz>
31084
31085         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
31086         Allocate encoders.
31087         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
31088         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
31089         (lto_streamer_cache_create): Init alloc pool.
31090         (lto_streamer_cache_delete): Free alloc pool.
31091         * lto-streamer.h: Include alloc pool.
31092         (lto_streamer_cache_d): Use alloc pool.
31093         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
31094
31095 2010-05-10  Jan Hubicka  <jh@suse.cz>
31096
31097         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
31098         * cgraphbuild.c: Include except.h
31099         (record_type_list, record_eh_tables): New function.
31100         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
31101
31102 2010-05-10  Jan Hubicka  <jh@suse.cz>
31103
31104         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
31105         __frame_dummy_init_array_entry, force_to_data): Attribute as used
31106         rather than unused.
31107
31108 2010-05-10  Michael Matz  <matz@suse.de>
31109
31110         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
31111         (can_reassociate_p): Use FLOAT_TYPE_P.
31112         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
31113         (vect_force_simple_reduction): ... this.
31114         * tree-parloops.c (gather_scalar_reductions): Use
31115         vect_force_simple_reduction.
31116         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
31117         vect_is_simple_reduction, add modify argument, if true rewrite
31118         "a-b" into "a+(-b)".
31119         (vect_is_simple_reduction, vect_force_simple_reduction): New
31120         functions.
31121         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
31122
31123 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
31124             Vladimir Makarov  <vmakarov@redhat.com>
31125
31126         PR rtl-optimization/44012
31127         * ira-build.c (remove_unnecessary_allocnos): Nullify
31128         regno_allocno_map of the removed allocno.
31129
31130 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31131
31132         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
31133         to /dev/null.
31134         * configure: Regenerate.
31135
31136 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31137
31138         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
31139         unused.
31140         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
31141         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
31142         support in Sun ld.
31143         * configure: Regenerate.
31144
31145 2010-05-10  Richard Guenther  <rguenther@suse.de>
31146
31147         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
31148         marked if the entry identifier is marked.
31149
31150 2010-05-10  Richard Guenther  <rguenther@suse.de>
31151
31152         * c-common.c (struct c_common_attributes): Add fnspec attribute.
31153         (handle_fnspec_attribute): New function.
31154         * gimple.h (gimple_call_return_flags): Declare.
31155         (gimple_call_arg_flags): Likewise.
31156         * gimple.c (gimple_call_arg_flags): New function.
31157         (gimple_call_return_flags): Likewise.
31158         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
31159         New argument flags.
31160         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
31161         return value flags.
31162         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
31163         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
31164         main work to ...
31165         (make_heapvar_for): ... this new function.
31166         (handle_rhs_call): Handle fnspec attribute argument specifiers.
31167         (handle_lhs_call): Likewise.
31168         (find_func_aliases): Adjust.
31169
31170 2010-05-10  Richard Guenther  <rguenther@suse.de>
31171
31172         PR tree-optimization/44050
31173         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
31174
31175 2010-05-10  Wei Guozhi  <carrot@google.com>
31176
31177         PR target/42879
31178         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
31179
31180 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
31181
31182         PR c/10676
31183         * c-typeck.c (lookup_field): Take a type directly.  Update
31184         recursive calls.
31185         (build_component_ref): Update call to lookup_field.
31186         (set_init_label): Use lookup_field to find initialized field.
31187         Handle returned list of fields like a sequence of designators.
31188
31189 2010-05-09  Richard Guenther  <rguenther@suse.de>
31190
31191         PR middle-end/44024
31192         * fold-const.c (tree_single_nonzero_warnv_p): Properly
31193         handle &FUNCTION_DECL.
31194
31195 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
31196
31197         PR c/4784
31198         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
31199         structures and unions recursively.
31200         (detect_field_duplicates): Move duplicate detection with a hash to
31201         detect_field_duplicates_hash.  Always use a hash if anonymous
31202         structures or unions are present.
31203         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
31204         give errors.
31205
31206 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
31207
31208         PR target/44046
31209         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
31210         detect Atom, Core 2 and Core i7.
31211
31212 2010-05-09  Richard Guenther  <rguenther@suse.de>
31213
31214         * gcc.c (store_arg): Handle temporary file deletion for
31215         joined arguments.
31216
31217 2010-05-09  Richard Guenther  <rguenther@suse.de>
31218
31219         PR middle-end/44043
31220         * ipa-inline.c (estimate_function_body_sizes): Return after
31221         disregarding inline limits.
31222
31223 2010-05-09  Richard Guenther  <rguenther@suse.de>
31224
31225         * gcc.c (store_arg): Revert last change.
31226
31227 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
31228
31229         PR middle-end/28685
31230         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
31231         (optimize_ops_list): Call it.
31232
31233 2010-05-08  Richard Guenther  <rguenther@suse.de>
31234
31235         PR tree-optimization/44030
31236         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
31237         NECESSARY flag if we propagate from a inserted expression.
31238
31239 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
31240
31241         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
31242         domain types as equal if they are both PLACEHOLDER_EXPRs.
31243
31244 2010-05-08  Richard Guenther  <rguenther@suse.de>
31245
31246         * lto-wrapper.c (run_gcc): Remove linker output from
31247         command line for LTRANS invocation.
31248
31249 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
31250
31251         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
31252         lto-macho as lto_binary_reader.
31253         * target.h (struct gcc_target): New hooks lto_start and lto_end.
31254         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
31255         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
31256         in lto_start and lto_end calls.
31257         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
31258         magic numbers.
31259         (scan_prog_file): Update is_elf_or_coff call.
31260         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
31261
31262         * collect2.c (main): Fix enum comparison.
31263
31264         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
31265         Add prototypes.
31266         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
31267         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
31268         and TARGET_ASM_LTO_END.
31269         * darwin.c: Include obstack.h and lto-streamer.h.
31270         (lto_section_names_offset, lto_section_names_obstack,
31271         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
31272         global variables.
31273         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
31274         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
31275         to a temporary file.
31276         (darwin_asm_lto_end): New function.  Restore asm_out_file.
31277         (darwin_asm_named_section): For LTO sections, replace the name with
31278         the offset of the section name in a string table, and build this
31279         table.
31280         (darwin_file_start): Initialize global vars for LTO support.
31281         (darwin_file_end): If output to asm_out_file was redirected, append it
31282         to the proper asm_out_file here.  Add the section names section.
31283
31284 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
31285
31286         * c-pragma.c (pending_weak_d, pending_weak): New.
31287         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
31288         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
31289         handle_pragma_weak): Update the uses of pending_weaks.
31290
31291 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
31292
31293         PR documentation/44016
31294         * doc/standards.texi (Standards): Link to unversioned
31295         cxx0x_status.html page.
31296
31297 2010-05-07  Iain Sandoe  <iains@gcc.gnu.org>
31298
31299         PR target/43708
31300         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
31301         in addition to TREE_USED, to avoid "set but unused" warnings.
31302
31303 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
31304
31305         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
31306         (is_loop_prefetching_profitable): Do not insert prefetches
31307         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
31308         times the prefetch ahead distance.
31309
31310 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
31311
31312         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
31313         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
31314         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
31315         the unroll_factor.
31316
31317 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
31318
31319         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
31320         a diagnostic info when the insn-to-mem ratio is too small.
31321
31322 2010-05-07  Richard Guenther  <rguenther@suse.de>
31323
31324         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
31325         the linker plugin.
31326         (store_arg): Queue temp_filename for deletion instead of
31327         the whole argument.
31328
31329 2010-05-07  Richard Guenther  <rguenther@suse.de>
31330
31331         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
31332         (run_gcc): Handle LTRANS phase invocation.
31333         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
31334
31335 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
31336
31337         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
31338         this is also meaningful on PARM_DECLs and RESULT_DECLs.
31339
31340 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31341
31342         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
31343
31344 2010-05-07  Richard Guenther  <rguenther@suse.de>
31345
31346         PR tree-optimization/44020
31347         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
31348         code when PRE is not yet initialized.
31349
31350 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31351
31352         * config/mips/dbxmdebug.h: Remove.
31353         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
31354
31355 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
31356
31357         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
31358         with null pointer and also warn about ordered comparison of zero with
31359         pointer if -Wextra.
31360
31361 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
31362
31363         * graphite-blocking.c
31364         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
31365         * graphite-clast-to-gimple.c
31366         (clast_to_gcc_expression): Same.
31367         (precision_for_value): Same.
31368         (precision_for_interval): Same.
31369         (gcc_type_for_interval): Same.
31370         (graphite_create_new_guard): Same.
31371         (compute_bounds_for_level): Same.
31372         (graphite_create_new_loop_guard): Same.
31373         * graphite-interchange.c
31374         (build_linearized_memory_access): Same.
31375         (pdr_stride_in_loop): Same.
31376         (memory_strides_in_loop_1): Same.
31377         (memory_strides_in_loop): Same.
31378         (extend_scattering): Same.
31379         (psct_scattering_dim_for_loop_depth): Same.
31380         (pbb_number_of_iterations): Same.
31381         * graphite-poly.h
31382         (debug_iteration_domains): Same.
31383         * graphite-ppl.c
31384         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
31385         (ppl_set_inhomogeneous_gmp): Same.
31386         (ppl_strip_loop): Same.
31387         (ppl_lexico_compare_linear_expressions): Same.
31388         (ppl_read_polyhedron_matrix): Same.
31389         (ppl_max_for_le_pointset): Same.
31390         * graphite-ppl.h
31391         (ppl_read_polyhedron_matrix): Same.
31392         (tree_int_to_gmp): Same.
31393         (gmp_cst_to_tree): Same.
31394         (ppl_set_inhomogeneous): Same.
31395         (ppl_set_inhomogeneous_tree): Same.
31396         (ppl_set_coef): Same.
31397         (ppl_set_coef_tree): Same.
31398         * graphite-sese-to-poly.c
31399         (build_pbb_scattering_polyhedrons): Same.
31400         (build_scop_scattering): Same.
31401         (scan_tree_for_params_right_scev): Same.
31402         (scan_tree_for_params): Same.
31403         (find_params_in_bb): Same.
31404         (find_scop_parameters): Same.
31405         (add_upper_bounds_from_estimated_nit): Same.
31406         (build_loop_iteration_domains): Same.
31407         (add_condition_to_domain): Same.
31408         (pdr_add_memory_accesses): Same.
31409
31410 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
31411
31412         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
31413         CLooG's value_* macros to their respective mpz_* counterparts.
31414         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
31415         (graphite_create_new_loop_guard): Same.
31416         * graphite-interchange.c (build_linearized_memory_access): Same.
31417         (pdr_stride_in_loop): Same.
31418         (memory_strides_in_loop_1): Same.
31419         (1st_interchange_profitable_p): Same.
31420         * graphite-poly.c (extend_scattering): Same.
31421         (psct_scattering_dim_for_loop_depth): Same.
31422         (pbb_number_of_iterations): Same.
31423         (pbb_number_of_iterations_at_time): Same.
31424         * graphite-poly.h (new_1st_loop): Same.
31425         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
31426         (oppose_constraint): Same.
31427         (insert_constraint_into_matrix): Same.
31428         (ppl_set_inhomogeneous_gmp): Same.
31429         (ppl_set_coef_gmp): Same.
31430         (ppl_strip_loop): Same.
31431         (ppl_lexico_compare_linear_expressions): Same.
31432         (ppl_max_for_le_pointset): Same.
31433         (ppl_min_for_le_pointset): Same.
31434         (ppl_build_realtion): Same.
31435         * graphite-ppl.h (gmp_cst_to_tree): Same.
31436         (ppl_set_inhomogeneous): Same.
31437         (ppl_set_inhomogeneous_tree): Same.
31438         (ppl_set_coef): Same.
31439         (ppl_set_coef_tree): Same.
31440         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
31441         (build_scop_scattering): Same.
31442         (add_value_to_dim): Same.
31443         (scan_tree_for_params_right_scev): Same.
31444         (scan_tree_for_params_int): Same.
31445         (scan_tree_for_params): Same.
31446         (find_params_in_bb): Same.
31447         (find_scop_parameters): Same.
31448         (add_upper_bounds_from_estimated_nit): Same.
31449         (build_loop_iteration_domains): Same.
31450         (create_linear_expr_from_tree): Same.
31451         (add_condition_to_domain): Same.
31452         (pdr_add_memory_accesses): Same.
31453
31454 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
31455             Jason Merrill  <jason@redhat.com>
31456
31457         * c-common.c (c_common_reswords): Add nullptr.
31458         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
31459         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
31460         (gen_type_die_with_usage): Likewise.
31461         * dbxout.c (dbxout_type): Likewise.
31462         * sdbout.c (plain_type_1): Likewise.
31463
31464 2010-05-06  Jason Merrill  <jason@redhat.com>
31465
31466         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
31467         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
31468         ret appropriately.
31469         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
31470
31471         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
31472         stripping WITH_SIZE_EXPR.
31473         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
31474         change.
31475
31476 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31477
31478         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
31479         list of obsolete configurations.
31480         Disabled check for obsolete configurations.
31481         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
31482         Removed support for previous versions.
31483         * config/mips/iris.h: Removed.
31484         * config/mips/iris5.h: Removed.
31485         * config/mips/iris6.h: Merged old iris.h contents.
31486         (TARGET_IRIX): Removed.
31487         (DRIVER_SELF_SPECS): Removed mabi=32.
31488         (IDENT_ASM_OP): Removed undef.
31489         (STARTFILE_SPEC): Removed mabi=32.
31490         (ENDFILE_SPEC): Likewise.
31491         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
31492         (MACHINE_TYPE): Update for IRIX 6.5.
31493         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
31494         TARGET_IRIX by TARGET_IRIX6.
31495         (mips_file_start): Likewise.
31496         (mips_output_external): Remove IRIX 5/6 O32 support.
31497         (mips_output_function_prologue): Likewise.
31498         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
31499         TARGET_IRIX6.
31500         (TARGET_CPU_CPP_BUILTINS): Likewise.
31501         (TARGET_IRIX): Removed.
31502         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
31503         (MULTILIB_DIRNAMES): Removed 32.
31504         (MULTILIB_OSDIRNAMES): Removed ../lib.
31505         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
31506         (Specific, mips-sgi-irix5): Document removal.
31507         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
31508         Remove references to older IRIX 6 releases and the O32 ABI.
31509
31510 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
31511
31512         PR bootstrap/43994
31513         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
31514         instead of DF_REF_REAL_REG.
31515
31516 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
31517
31518         PR target/43888
31519         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
31520         handling to still return true for x64 targets.
31521
31522 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
31523
31524         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
31525
31526 2010-05-06  Jan Hubicka  <jh@suse.cz>
31527
31528         PR tree-optimization/43791
31529         * ipa-inline.c (update_caller_keys): Remove bogus
31530         disregard_inline_limits check.
31531
31532 2010-05-06  Michael Matz  <matz@suse.de>
31533
31534         PR tree-optimization/43984
31535         * tree-ssa-pre.c (inserted_phi_names): Remove.
31536         (inserted_exprs): Change to bitmap.
31537         (create_expression_by_pieces): Set bits, don't append to vector.
31538         (insert_into_preds_of_block): Don't handle inserted_phi_names.
31539         (eliminate): Don't look at inserted_phi_names, remove deleted
31540         insns from inserted_exprs.
31541         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
31542         (init_pre, fini_pre): Allocate and free bitmaps.
31543         (execute_pre): Insert insns on edges before elimination.
31544
31545 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
31546
31547         * tree.c (initializer_zerop): Handle STRING_CST.
31548
31549 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
31550
31551         PR 40989
31552         * doc/invoke.texi (Wimplicit): Document as C only.
31553         * opts.c (common_handle_option): Add argument kind.
31554         (handle_option): Rename as read_cmdline_option. Factor out code to...
31555         (handle_option): ... here. New.
31556         (handle_options): Rename as read_cmdline_options.
31557         (decode_options): Update call.
31558         (set_option): Use option index instead of option pointer. Classify
31559         diagnostics correctly.
31560         (enable_warning_as_error): Call handle_option.
31561         * opts.h (set_option): Update declaration.
31562         (handle_option): Declare.
31563         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
31564         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
31565         * c-opts.c (set_Wimplicit): Delete.
31566         (c_family_lang_mask): New static constant.
31567         (c_common_handle_option): Add argument kind. Use handle_option
31568         instead of set_Wimplicit.
31569         (c_common_post_options): warn_implicit and warn_implicit_int
31570         are disabled by default.
31571         * c-common.c (warn_implicit): Do not define here.
31572         * c-common.h (warn_implicit): Do not declare here.
31573         (c_common_handle_option): Update declaration.
31574         * lto-opts.c (lto_reissue_options): Update call to set_option.
31575
31576 2010-05-06  Richard Guenther  <rguenther@suse.de>
31577
31578         PR tree-optimization/43571
31579         * domwalk.c (walk_dominator_tree): Walk the dominator
31580         sons in more optimal order.
31581
31582 2010-05-06  Richard Guenther  <rguenther@suse.de>
31583
31584         PR tree-optimization/43934
31585         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
31586         (stmt_cost): Likewise.
31587         (extract_true_false_args_from_phi): New helper.
31588         (determine_max_movement): For PHI nodes verify we can hoist them
31589         and compute their cost.
31590         (determine_invariantness_stmt): Handle PHI nodes.
31591         (move_computations_stmt): Likewise.  Hoist PHI nodes in
31592         if-converted form using COND_EXPRs.
31593         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
31594         (tree_ssa_lim): Likewise.
31595         * tree-flow.h (tree_ssa_lim): Adjust prototype.
31596         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
31597
31598 2010-05-06  Richard Guenther  <rguenther@suse.de>
31599
31600         PR tree-optimization/43987
31601         * tree-ssa-structalias.c (could_have_pointers): For possibly
31602         address-taken variables force pointers to be recorded.
31603         (create_variable_info_for_1): Likewise.
31604         (push_fields_onto_fieldstack): Pass in wheter all fields
31605         must have pointers.
31606         (find_func_aliases): Query types instead of vars whether
31607         they contain pointers where appropriate.
31608
31609 2010-05-06  Jan Hubicka  <jh@suse.cz>
31610
31611         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
31612         (record_reference, mark_address, mark_load, mark_store): Record
31613         references.
31614         (record_references_in_initializer): Update call of record_references.
31615         (rebuild_cgraph_edges): Remove all references before rebuiding.
31616         * cgraph.c (cgraph_create_node): Clear ref list.
31617         (cgraph_remove_node): Remove references.
31618         (dump_cgraph_node): Dump references.
31619         (cgraph_clone_node): Clone references.
31620         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
31621         (struct cgraph_node, varpool_node): Add ref_lst.
31622         * ipa-ref.c: New file.
31623         * ipa-ref.h: New file.
31624         * ipa-ref-inline.h: New file.
31625         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
31626         (referenced_from_other_partition_p): New function.
31627         (lto_output_varpool_node): Take set arugment; call
31628         referenced_from_other_partition.
31629         (lto_output_ref): New.
31630         (add_references): New.
31631         (output_refs): New.
31632         (output_cgraph): Compute boundary based on references; output refs.
31633         (output_varpool): Accept cgraph_node_set argument.
31634         (input_ref): New.
31635         (input_refs): New.
31636         (input_cgraph): Call input_refs.
31637         * lto-section-in.c (lto_section_name): Add refs.
31638         * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
31639         (ipa-ref.o): New file.
31640         * varpool.c (varpool_node): Clear ipa ref list.
31641         (varpool_remove_node): Remove references.
31642         (dump_varpool_node): Dump references.
31643         (varpool_assemble_decl): Only compile finalized ones.
31644         (varpool_extra_name_alias): Initialize ref list.
31645         * lto-streamer.c (lto-get_section_name): Add .refs section.
31646         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
31647         (referenced_from_other_partition_p): Declared.
31648
31649 2010-05-06  Ira Rosen  <irar@il.ibm.com>
31650
31651         PR tree-optimization/43901
31652         * tree-vect-stmts.c (vectorizable_call): Assert that vector
31653         type is not NULL if it's transformation phase, and return
31654         FALSE if it's analysis.
31655         (vectorizable_conversion, vectorizable_operation,
31656         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
31657
31658 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
31659
31660         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
31661         Delete.
31662         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
31663         New define.
31664         * config/mips/mips-protos.h
31665         (mips_small_register_classes_for_mode_p): Delete prototype.
31666
31667 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
31668
31669         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
31670         * config/arm/arm.c (multiple_operation_profitable_p,
31671         compute_offset_order): New static functions.
31672         (load_multiple_sequence, store_multiple_sequence): Use them.
31673         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
31674         memory offsets, not register numbers.
31675         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
31676
31677 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
31678
31679         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
31680         (get_pending_sizes, put_pending_size, put_pending_sizes):
31681         Update the uses of pending_sizes.
31682         * c-decl.c (store_parm_decls): Likewise.
31683         * c-tree.h (struct c_arg_info): Likewise.
31684         * tree.h: Update the prototype for get_pending_sizes and
31685         put_pending_sizes.
31686
31687 2010-05-05  Jason Merrill  <jason@redhat.com>
31688
31689         PR debug/43370
31690         * c-common.c (handle_aligned_attribute): Respect
31691         ATTR_FLAG_TYPE_IN_PLACE.
31692
31693         PR testsuite/43758
31694         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
31695         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
31696         (TARGET_INITIALIZER): Use it.
31697         * c-common.c (attribute_takes_identifier_p): Call it.
31698         * c-common.h: Update prototype.
31699         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
31700         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
31701
31702 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
31703
31704         PR debug/43950
31705         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
31706         DW_ID_down_case for Fortran compilation units.
31707
31708 2010-05-05  Jan Hubicka  <jh@suse.cz>
31709
31710         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
31711         handle aliases.
31712
31713 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
31714
31715         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
31716         a variable-sized RESULT_DECL.
31717
31718 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
31719
31720         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
31721
31722 2010-05-05  Jason Merrill  <jason@redhat.com>
31723
31724         PR c++/43787
31725         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
31726         returns GS_OK.
31727         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
31728
31729 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
31730             Jakub Jelinek  <jakub@redhat.com>
31731
31732         PR debug/43478
31733         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
31734         (dead_debug_init, dead_debug_finish): New functions.
31735         (dead_debug_add, dead_debug_insert_before): Likewise.
31736         (df_note_bb_compute): Initialize a dead_debug object, add dead
31737         debug uses to it, insert debug bind insns before death insns,
31738         reset debug insns that refer to pending uses at the end.
31739         * rtl.h (make_debug_expr_from_rtl): New prototype.
31740         * varasm.c (make_debug_expr_from_rtl): New function.
31741
31742 2010-05-05  Jan Hubicka  <jh@suse.cz>
31743
31744         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
31745         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
31746         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
31747         lto_varpool_encoder_deref, lto_varpool_encoder_size,
31748         lto_varpool_encoder_encode_initializer_p,
31749         lto_set_varpool_encoder_encode_initializer): New functions.
31750         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
31751         call output_varpool.
31752         (input_varpool_node): Do not always set analyzed.
31753         (input_cgraph_1): Return vector of cgraph nodes.
31754         (input_varpool_1): Return vector of varpools.
31755         (input_cgraph): Free the vectors.
31756         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
31757         output only initializers needed.
31758         (lto_output): Only call output_cgraph.
31759         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
31760         * lto-section-out.c (lto_new_out_decl_state): Initialize
31761         state->varpool_node_encoder.
31762         * lto-streamer.h (lto_varpool_encoder_d): New.
31763         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
31764         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
31765         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
31766         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
31767         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
31768         Declare.
31769         (output_varpool, input_varpool): Remove declarations.
31770
31771 2010-05-05  Jan Hubicka  <jh@suse.cz>
31772
31773         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
31774         with body can prevail.
31775
31776 2010-05-05  Jan Hubicka  <jh@suse.cz>
31777
31778         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
31779         size.
31780
31781 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
31782
31783         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
31784
31785         * gengtype.h (erro_at_line): Constify pos argument.
31786
31787         * gengtype.c: Include hashtab.h.
31788         (enum gc_used): Document GC_MAYBE_POINTED_TO.
31789         (error_at_line): Constify pos argument.
31790         (do_typedef): Initialize p->opt field.
31791         (get_file_gtfilename): Fix comment typo.
31792         (struct walk_type_data): Constify line field.
31793         (get_output_file_for_structure): New function.
31794         (write_local_func_for_structure): Constify orig_s argument.
31795         Use get_output_file_for_structure.
31796         (write_func_for_structure): Use get_output_file_for_structure.
31797         (INDENT): New define.
31798         (dump_pair, dump_type, dump_type_list, dump_typekind)
31799         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
31800         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
31801         functions.
31802         (seen_types): New variable.
31803         (main): New variable do_dump.  Process "-d" command line option.
31804         Call dump_everything if dump requested.
31805
31806 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
31807
31808         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
31809         in a temporary instead of invoking the macro multiple times.
31810         (track_expr_p): Likewise.
31811
31812 2010-05-04  Neil Vachharajani  <nvachhar@google.com>
31813
31814         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
31815         per new semantics.
31816         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
31817         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
31818         conditions for printing notes.
31819         * common.opt (-Wcoverage-mismatch): Allow negative, default to
31820         true, update documentation.
31821         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
31822
31823 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
31824
31825         PR c/43981
31826         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
31827         on dimen.
31828
31829 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
31830
31831         PR target/43799
31832         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
31833         (*sse_prologue_save_insn1): Likewise.
31834         (SSE prologue save splitter): Likewise.
31835
31836 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
31837
31838         * tree.c (free_lang_data_in_one_sizepos): New inline function.
31839         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
31840         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
31841         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
31842         all decls.  Call it on DECL_FIELD_OFFSET of fields.
31843         (find_decls_types_r): Follow DECL_VALUE_EXPR.
31844         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
31845
31846 2010-05-04  Martin Jambor  <mjambor@suse.cz>
31847
31848         * tree-sra.c (build_access_from_expr_1): The first parameter type
31849         changed to simple tree.
31850         (build_access_from_expr): Likewise, gsi parameter was eliminated.
31851         (scan_assign_result): Renamed to assignment_mod_result, enum elements
31852         renamed as well.
31853         (build_accesses_from_assign): Removed all parameters except for a
31854         simple gimple statement.  Now returns a simple bool.
31855         (scan_function): All non-analysis parts moved to separate functions
31856         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
31857         parameters and updated both callers.
31858         (sra_modify_expr): Removed parameter data.
31859         (sra_modify_function_body): New function.
31860         (perform_intra_sra): Call sra_modify_function_body to modify the
31861         function body.
31862         (replace_removed_params_ssa_names): Parameter data changed into
31863         adjustments vector.
31864         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
31865         changed the parameter dont_convert to convert with the opposite
31866         meaning.
31867         (sra_ipa_modify_assign): Parameter data changed into adjustments
31868         vector, return value changed to bool.
31869         (ipa_sra_modify_function_body): New function.
31870         (sra_ipa_reset_debug_stmts): Updated a comment.
31871         (modify_function): Use ipa_sra_modify_function_body to modify function
31872         body.
31873
31874 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
31875
31876         PR middle-end/43671
31877         * alias.c (true_dependence): Handle the same VALUE in x and mem.
31878         (canon_true_dependence): Likewise.
31879         (write_dependence_p): Likewise.
31880
31881 2010-05-04  Jan Hubicka  <jh@suse.cz>
31882
31883         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
31884         * cgraphbuild.c: Include ipa-utils.h
31885         (record_reference_ctx): New struct.
31886         (record_reference): Simplify to work on initializers; not statements.
31887         (mark_address, mark_load, mark_store): New.
31888         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
31889         walk PHI nodes too.
31890         (record_references_in_initializer): Update use of record_reference.
31891         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
31892         walk PHI nodes too.
31893
31894 2010-05-04  Jan Hubicka  <jh@suse.cz>
31895
31896         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
31897         node will be removed anyway.
31898         (lto_varpool_replace_node): Allow also unanalyzed nodes;
31899         relink aliases of node into prevailing node.
31900         * varpool.c (varpool_remove_node): Remove aliases properly;
31901         when removing node, remove all its aliases too; remove DECL_INITIAL
31902         of removed node; ggc_free the varpool node.
31903
31904 2010-05-04  Richard Guenther  <rguenther@suse.de>
31905
31906         PR tree-optimization/43879
31907         * tree-ssa-structalias.c (alias_get_name): Use
31908         DECL_ASSEMBLER_NAME if available.
31909         (create_function_info_for): Return the varinfo node.
31910         (ipa_pta_execute): Associate same-body aliases and extra names
31911         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
31912
31913 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
31914
31915         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
31916
31917 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
31918
31919         PR bootstrap/43964
31920         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
31921         only if HONOR_REG_ALLOC_ORDER is not defined.
31922
31923 2010-05-04  Richard Guenther  <rguenther@suse.de>
31924
31925         PR tree-optimization/43949
31926         * tree-vrp.c (extract_range_from_binary_expr): Only handle
31927         TRUNC_MOD_EXPR.
31928
31929 2010-04-26  Jason Merrill  <jason@redhat.com>
31930
31931         * c.opt (-fstrict-enums): New.
31932         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
31933
31934 2010-05-03  David Ung  <davidu@mips.com>
31935             James E. Wilson  <wilson@codesourcery.com>
31936
31937         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
31938         emit the trap instruction before the divide for TUNE_74K.
31939
31940 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
31941
31942         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
31943         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
31944         based on the above, for new target hook.
31945
31946         * hooks.c (hook_bool_mode_true): New generic hook.
31947         * hooks.h (hook_bool_mode_true): Add prototype.
31948
31949         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
31950         target hook.
31951         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
31952         target hook, set to hook_bool_mode_false.
31953         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
31954         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
31955         with targetm.small_register_classes_for_mode_p.
31956         (find_reusable_reload): Likewise.
31957         (combine_reloads): Likewise.
31958         * reload1.c (reload_as_needed): Likewise.
31959         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
31960         * ifcvt.c (noce_process_if_block, check_cond_move_block,
31961         dead_or_predicable): Likewise.
31962         * regmove.c (optimize_reg_copy_1): Likewise.
31963         * calls.c (prepare_call_address): Likewise.
31964         (precompute_register_parameters): Likewise.
31965
31966         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
31967         hook definition.
31968         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
31969         implementation of the hook that considers all register classes
31970         small except for SH64.
31971         (sh_override_options): Use the new hook.
31972         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
31973         Add prototype.
31974
31975         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
31976         hook definition.
31977         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
31978         implementation of the hook that considers all register classes
31979         small for THUMB1.
31980         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
31981         Add prototype.
31982
31983         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
31984         hook definition.
31985         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
31986         implementation of the hook that considers all register classes
31987         small for MIPS16.
31988         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
31989         Add prototype.
31990
31991         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
31992         hook definition.
31993         * config/m32c/m32c.h: Likewise.
31994         * config/pdp11/pdp11.h: Likewise.
31995         * config/avr/avr.h: Likewise.
31996         * config/xtensa/xtensa.h: Likewise.
31997         * config/m68hc11/m68hc11.h: Likewise.
31998         * config/mn10300/mn10300.h: Likewise.
31999         * config/mcore/mcore.h: Likewise.
32000         * config/h8300/h8300.h: Likewise.
32001         * config/bfin/bfin.h: Likewise.
32002
32003         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
32004         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
32005
32006 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
32007
32008         * double-int.h (tree_to_double_int): Remove macro.
32009         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
32010         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
32011         (tree_to_double_int): New function.
32012         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
32013         Move ...
32014         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
32015
32016 2010-05-03  Richard Guenther  <rguenther@suse.de>
32017
32018         PR tree-optimization/43971
32019         * tree-ssa-structalias.c (get_constraint_for_1): Fix
32020         constraints in the !flag_delete_null_pointer_checks case.
32021
32022 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
32023
32024         PR debug/43972
32025         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
32026         result mode matches original rtl mode.
32027
32028 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
32029
32030         PR target/43888
32031         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
32032
32033 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
32034
32035         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
32036         when processing flag options.
32037
32038 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
32039
32040         * gcov-iov.c (main): Change format string placeholder
32041         from %#08x to 0x%08x.
32042         * genchecksum.c (dosum): Change format string placeholder
32043         from %#02x to 0x%02x.
32044
32045 2010-05-02  Richard Guenther  <rguenther@suse.de>
32046
32047         PR tree-optimization/43879
32048         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
32049
32050 2010-05-02  Bruno Haible  <bruno@clisp.org>
32051
32052         * doc/extend.texi (Function Attributes): Fix a typo.
32053
32054 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
32055
32056         Revert:
32057         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
32058         placeholder from 0x%x to %#x.
32059         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
32060         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
32061         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
32062         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
32063         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
32064         * config/i386/i386.c (ix86_target_string): Ditto.
32065         * config/i386/i386.c (output_pic_addr_const): Ditto.
32066         (print_operand): Ditto.
32067
32068 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
32069
32070         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
32071         placeholder from 0x%x to %#x.
32072         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
32073         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
32074         (ASM_OUTPUT_DEBUG_DATA): Ditto.
32075         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
32076         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
32077         * optc-gen.awk: Ditto.
32078         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
32079         (HOST_WIDE_INT_PRINT_HEX): Ditto.
32080         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
32081         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
32082
32083 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
32084
32085         * target.h (struct calls): Add function_value_regno_p field.
32086         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
32087         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
32088         * targhooks.c (default_function_value_regno_p): New function.
32089         * targhooks.h (default_function_value_regno_p): Declare function.
32090         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
32091         * builtins.c. (apply_result_size): (Ditto.).
32092         * combine.c. (likely_spilled_retval_p): (Ditto.).
32093         * mode-switching.c. Include 'target.h'.
32094         (create_pre_exit): Use function_value_regno_p hook.
32095         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
32096         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
32097         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
32098
32099         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
32100         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
32101         (ix86_function_value_regno_p): Declare as static, change argument
32102         type to const unsigned int.
32103         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
32104
32105 2010-05-01  Richard Guenther  <rguenther@suse.de>
32106
32107         PR tree-optimization/43949
32108         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
32109         types.
32110         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
32111
32112 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
32113
32114         * rtl.h (CONST_DOUBLE_P): Define.
32115         (rtx_to_double_int): Declare.
32116         * emit-rtl.c (rtx_to_double_int): New function.
32117         * dwarf2out.c (insert_double): New function.
32118         (loc_descriptor, add_const_value_attribute): Clean up, use
32119         rtx_to_double_int and insert_double functions.
32120
32121 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
32122
32123         * doc/extend.texi (Inline): Add missing return keyword to examples.
32124         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
32125         "command-line".
32126
32127 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
32128
32129         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
32130         the variable part of the offset as well.  Use highest_pow2_factor for
32131         all alignment checks.
32132
32133 2010-04-30  Richard Guenther  <rguenther@suse.de>
32134
32135         PR tree-optimization/43879
32136         * tree-ssa-structalias.c (type_could_have_pointers): Functions
32137         can have pointers.
32138
32139 2010-04-30  Jan Hubicka  <jh@suse.cz>
32140
32141         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
32142         varpool.
32143         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
32144
32145 2010-04-30  Jan Hubicka  <jh@suse.cz>
32146
32147         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
32148         New.
32149         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
32150         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
32151         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
32152         cgraph_node_set_needs_ltrans_p): Remove.
32153
32154 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
32155
32156         * sdbout.c: Include vec.h, do not include varray.h.
32157         (deferred_global_decls, sdbout_global_decl,
32158         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
32159         * toplev.c: Do not include varray.h.
32160         (dump_memory_report): Do not dump VARRAY statistics.
32161         * gengtype.c (open_base_file): Ignore varray.h.
32162         * Makefile.in: Update for abovementioned changes.
32163         Remove all traces of varray.c and varray.h.
32164         * varray.c: Remove file.
32165         * varray.h: Remove file.
32166
32167 2010-04-30  Jan Hubicka  <jh@suse.cz>
32168
32169         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
32170         references.
32171
32172 2010-04-30  Jan Hubicka  <jh@suse.cz>
32173
32174         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
32175         needed.
32176
32177 2010-04-30  Richard Guenther  <rguenther@suse.de>
32178
32179         * tree-ssa-structalias.c (get_constraint_for_1): Generate
32180         constraints for CONSTRUCTOR.
32181
32182 2010-04-30  Richard Guenther  <rguenther@suse.de>
32183
32184         PR lto/43946
32185         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
32186         first after all lowering passes.
32187
32188 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
32189
32190         * toplev.c: Include varray.h for statistics dumping.
32191         * tree.h: Do not declare varray_head_tag.
32192         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
32193         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
32194         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
32195         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
32196         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
32197         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
32198         c-common.c, c-common.h, reg-stack.c, basic-block.h,
32199         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
32200         include varray.h.
32201         * Makefile.in: Update for abovementioned changes.
32202
32203 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
32204
32205         PR debug/43942
32206         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
32207
32208 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
32209
32210         * config/picochip/picochip.c (picochip_legitimize_address): Define.
32211         Use this function to do machine-specific conversion.
32212         (picochip_legitimize_reload_address): Likewise.
32213         (picochip_legitimate_address_p): Check valid base register only if
32214         strict.
32215         (picochip_check_conditional_copy): Check for modw only if opnd is
32216         register.
32217         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
32218         to call the function in c.
32219         * config/picochip/picochip-protos.h
32220         (picochip_legitimize_reload_address): Define.
32221         * config/picochip/picochip.md (supported_compare1): Define.
32222
32223 2010-04-30  Jan Hubicka  <jh@suse.cz>
32224
32225         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
32226         (cgraph_global_info): Remove inlined.
32227         (LTO_cgraph_tag_names): Remove.
32228         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
32229         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
32230         simplify cgraph tags and document.
32231         (lto_output_node): Use only LTO_cgraph_unavail_node and
32232         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
32233         for_functions_valid, global info, process and output flags.
32234         (input_overwrite_node): Initialize estimated stack size and
32235         estimated growth.  Do not read flags we no longer store.
32236         (input_node): Likewise do not read info no longer stored.
32237         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
32238         flag.
32239
32240 2010-04-30  Richard Guenther  <rguenther@suse.de>
32241
32242         PR tree-optimization/43879
32243         * tree-ssa-structalias.c (get_constraint_for_1): Properly
32244         handle non-zero initializers.
32245
32246 2010-04-30  Richard Guenther  <rguenther@suse.de>
32247
32248         * builtins.c (fold_builtin_1): Delete free (0).
32249
32250 2010-04-29  Jan Hubicka  <jh@suse.cz>
32251
32252         * gengtype.c (open_base_files): Add lto-streamer.h
32253         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
32254         (pass_ipa_cp): GGC collect.
32255         * toplev. (compile_file): Do not output symbols.
32256         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
32257         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
32258         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
32259         * lto-section-in.c: Include ggc.h
32260         (lto_new_in_decl_state): Alloc in GGC.
32261         (lto_delete_in_decl_state): Likewise.
32262         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
32263         Collect.
32264
32265 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
32266
32267         PR target/42895
32268         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
32269         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
32270         (HONOR_REG_ALLOC_ORDER): Describe new macro.
32271         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
32272         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
32273         account only if HONOR_REG_ALLOC_ORDER is not defined.
32274         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
32275         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
32276
32277 2010-04-29  Jon Grant  <04@jguk.org>
32278
32279         * collect2.c (vflag): Change type from int to bool.
32280         (debug): Likewise.
32281         (helpflag): New global bool.
32282         (main): Set vflag and debug with boolean, not integer truth values.
32283         Accept new "--help" option and output usage text if found.
32284         * collect2.h (vflag): Update prototype.
32285         (debug): Likewise.
32286
32287 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
32288
32289         PR bootstrap/43936
32290         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
32291
32292 2010-04-29  Richard Guenther  <rguenther@suse.de>
32293
32294         PR bootstrap/43935
32295         * plugin.h (invoke_plugin_callbacks): Annotate arguments
32296         with ATTRIBUTE_UNUSED.
32297
32298 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
32299
32300         PR target/43921
32301         * config/i386/i386.c (get_some_local_dynamic_name): Replace
32302         INSN_P with NONDEBUG_INSN_P.
32303         (distance_non_agu_define): Likewise.
32304         (distance_agu_use): Likewise.
32305
32306 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
32307
32308         From Dominique d'Humieres  <dominiq@lps.ens.fr>
32309         PR bootstrap/43858
32310         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
32311         test_set.
32312
32313 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
32314
32315         * plugin.h (invoke_plugin_callbacks): New inline function.
32316         * plugin.c (flag_plugin_added): New global flag.
32317         (add_new_plugin): Initialize above flag.
32318         (invoke_plugin_callbacks): Rename to ...
32319         (invoke_plugin_callbacks_full): ... this.
32320
32321 2010-04-28  Jan Hubicka  <jh@suse.cz>
32322
32323         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
32324         (lto_varpool_replace_node): New.
32325         (lto_symtab_resolve_symbols): Resolve varpool nodes.
32326         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
32327         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
32328         * cgraph.h (varpool_node_ptr): New type.
32329         (varpool_node_ptr): New vector.
32330         (varpool_node_set_def): New structure.
32331         (varpool_node_set): New type.
32332         (varpool_node_set): New vector.
32333         (varpool_node_set_element_def): New structure.
32334         (varpool_node_set_element, const_varpool_node_set_element): New types.
32335         (varpool_node_set_iterator): New type.
32336         (varpool_node): Add prev pointers, add used_from_other_partition,
32337         in_other_partition.
32338         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
32339         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
32340         varpool_get_node, varpool_remove_node): Declare.
32341         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
32342         varpool_node_set_size): New inlines.
32343         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
32344         * tree-pass.h (varpool_node_set_def): Forward declare.
32345         (ipa_opt_pass_d): Summary writting takes vnode sets too.
32346         (ipa_write_optimization_summaries): Update prototype.
32347         * ipa-cp.c (ipcp_write_summary): Update.
32348         * ipa-reference.c (ipa_reference_write_summary): Update.
32349         * lto-cgraph.c (lto_output_varpool_node): New static function.
32350         (output_varpool): New function.
32351         (input_varpool_node): New static function.
32352         (input_varpool_1): New function.
32353         (input_cgraph): Input varpool.
32354         * ipa-pure-const.c (pure_const_write_summary): Update.
32355         * lto-streamer-out.c (lto_output): Update, output varpool too.
32356         (write_global_stream): Kill WPA hack.
32357         (produce_asm_for_decls): Update.
32358         (output_alias_pair_p): Handle variables.
32359         (output_unreferenced_globals): Output only needed partition of varpool.
32360         * ipa-inline.c (inline_write_summary): Update.
32361         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
32362         cgraph.
32363         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
32364         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
32365         varpool_node_set_new, varpool_node_set_add,
32366         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
32367         debug_varpool_node_set): New functions.
32368         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
32369         (execute_one_pass): Process new decls too.
32370         (ipa_write_summaries_2): Pass around vsets.
32371         (ipa_write_summaries_1): Likewise.
32372         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
32373         to add.
32374         (ipa_write_optimization_summaries_1): Pass around vsets.
32375         (ipa_write_optimization_summaries): Likewise.
32376         * varpool.c (varpool_get_node): New.
32377         (varpool_node): Update doubly linked lists.
32378         (varpool_remove_node): New.
32379         (dump_varpool_node): More dumping.
32380         (varpool_enqueue_needed_node): Update doubly linked lists.
32381         (decide_is_variable_needed): Kill ltrans hack.
32382         (varpool_finalize_decl): Kill lto hack.
32383         (varpool_assemble_decl): Skip decls in other partitions.
32384         (varpool_assemble_pending_decls): Update doubly linkes lists.
32385         (varpool_empty_needed_queue): Likewise.
32386         (varpool_extra_name_alias): Likewise.
32387         * lto-streamer.c (lto_get_section_name): Add vars section.
32388         * lto-streamer.h (lto_section_type): Update.
32389         (output_varpool, input_varpool): Declare.
32390
32391 2010-04-28  Mike Stump  <mikestump@comcast.net>
32392
32393         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
32394
32395 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
32396
32397         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
32398         record or union type with RECORD_OR_UNION_TYPE_P predicate.
32399         (lto_input_ts_type_tree_pointers): Likewise.
32400         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
32401         (lto_output_ts_type_tree_pointers): Likewise.
32402
32403 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
32404
32405         Uniquization of constants at the Tree level
32406         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
32407         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
32408         bit to the end.
32409         (tree_output_constant_def): Declare.
32410         * gimplify.c (gimplify_init_constructor): When using block copy, first
32411         uniquize the constant constructor on the RHS.
32412         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
32413         DECL_IN_CONSTANT_POOL flag.
32414         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
32415         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
32416         constant pool.
32417         (assemble_variable): Deal with symbols belonging to the tree constant
32418         pool.
32419         (get_constant_section): Add ALIGN parameter and simplify.
32420         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
32421         (assemble_constant_contents): Use the expression of the VAR_DECL.
32422         (output_constant_def_contents): Use the alignment of the VAR_DECL.
32423         (tree_output_constant_def): New global function.
32424         (mark_constant): Use the expression of the VAR_DECL.
32425         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
32426         its expression.
32427         (output_object_block): Likewise and assemble the expression.
32428
32429 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
32430
32431         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
32432         hash_tree, eq_tree): New tree hash table.
32433         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
32434         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
32435         lto_orig_address_remove): Reimplement.
32436
32437 2010-04-28  Xinliang David Li  <davidxl@google.com>
32438
32439         PR c/42643
32440         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
32441         (compute_uninit_opnds_pos): New function.
32442         (is_non_loop_exit_postdominating): New function.
32443         (compute_control_dep_chain): New function.
32444         (find_pdom): New function.
32445         (convert_control_dep_chain_into_preds): New function.
32446         (find_predicates): New function.
32447         (find_control_equiv_block): New function.
32448         (collect_phi_def_edges): New function.
32449         (find_def_preds): New function.
32450         (find_dom): New function.
32451         (dump_predicates): New function.
32452         (get_cmp_code): New function.
32453         (is_value_included_in): New function.
32454         (find_matching_predicate_in_rest_chains): New function.
32455         (use_pred_not_overlap_with_undef_path_pred): New function.
32456         (is_use_properly_guarded): New function.
32457         (normalize_cond_1): New function.
32458         (is_and_or_or): New function.
32459         (normalize_cond): New function.
32460         (is_gcond_subset_of): New function.
32461         (is_subset_of_any): New function.
32462         (is_or_set_subset_of): New function.
32463         (is_and_set_subset_of): New function.
32464         (is_norm_cond_subset_of): New function.
32465         (is_pred_expr_subset_of): New function.
32466         (is_pred_chain_subset_of): New function.
32467         (is_included_in): New function.
32468         (is_superset_of): New function.
32469         (find_uninit_use): New function.
32470         (warn_uninitialized_phi): New function.
32471         (compute_possibly_undefined_names): New function.
32472         (ssa_undefined_value_p): New function.
32473         (execute_late_warn_uninitialized): New function.
32474         * tree-ssa.c (ssa_undefined_value_p): Removed.
32475         (warn_uninit): Changed to extern.
32476         (warn_uninitialized_phi): Removed.
32477         (warn_uninitialized_vars): Changed to extern.
32478         (execute_late_warn_uninitialized): Removed
32479         * tree-flow.h: Add new prototypes.
32480         * timevar.def: Add new time variable.
32481         * Makefile.in: Add new build file.
32482
32483 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
32484
32485         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
32486         type if available.
32487
32488 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
32489
32490         PR target/22224
32491         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
32492
32493 2010-04-28  Martin Jambor  <mjambor@suse.cz>
32494
32495         * cgraph.h (struct cgraph_node): New field indirect_calls.
32496         (struct cgraph_indirect_call_info): New type.
32497         (struct cgraph_edge): Removed field indirect_call. New fields
32498         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
32499         (cgraph_create_indirect_edge): Declare.
32500         (cgraph_make_edge_direct): Likewise.
32501         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
32502         * ipa-prop.h (struct ipa_param_call_note): Removed.
32503         (struct ipa_node_params): Removed field param_calls.
32504         (ipa_create_all_structures_for_iinln): Declare.
32505         * cgraph.c: Described indirect edges and uids in initial comment.
32506         (cgraph_add_edge_to_call_site_hash): New function.
32507         (cgraph_edge): Search also among the indirect edges, use
32508         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
32509         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
32510         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
32511         site hash.
32512         (initialize_inline_failed): Assign a reason to indirect edges.
32513         (cgraph_create_edge_1): New function.
32514         (cgraph_create_edge): Moved some functionality to
32515         cgraph_create_edge_1.
32516         (cgraph_create_indirect_edge): New function.
32517         (cgraph_edge_remove_callee): Add an assert checking for
32518         non-indirectness.
32519         (cgraph_edge_remove_caller): Special-case indirect edges.
32520         (cgraph_remove_edge): Likewise.
32521         (cgraph_set_edge_callee): New function.
32522         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
32523         (cgraph_make_edge_direct): New function.
32524         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
32525         the declaration of the call statement matches.
32526         (cgraph_node_remove_callees): Special-case indirect edges.
32527         (cgraph_clone_edge): Likewise.
32528         (cgraph_clone_node): Clone also the indirect edges.
32529         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
32530         indirect_call, dump count of indirect_calls edges.
32531         * ipa-prop.c (iinlining_processed_edges): New variable.
32532         (ipa_note_param_call): Create indirect edges instead of
32533         creating notes.  New parameter node.
32534         (ipa_analyze_call_uses): New parameter node, pass it on to
32535         ipa_note_param_call.
32536         (ipa_analyze_stmt_uses): Likewise.
32537         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
32538         (print_edge_addition_message): Work on edges rather than on notes.
32539         (update_call_notes_after_inlining): Likewise, renamed to
32540         update_indirect_edges_after_inlining.
32541         (ipa_create_all_structures_for_iinln): New function.
32542         (ipa_free_node_params_substructures): Do not free notes.
32543         (ipa_edge_duplication_hook): Propagate bits within
32544         iinlining_processed_edges bitmap.
32545         (ipa_node_duplication_hook): Do not duplicate notes.
32546         (free_all_ipa_structures_after_ipa_cp): Renamed to
32547         ipa_free_all_structures_after_ipa_cp.
32548         (free_all_ipa_structures_after_iinln): Renamed to
32549         ipa_free_all_structures_after_iinln.
32550         (ipa_write_param_call_note): Removed.
32551         (ipa_read_param_call_note): Removed.
32552         (ipa_write_indirect_edge_info): New function.
32553         (ipa_read_indirect_edge_info): Likewise.
32554         (ipa_write_node_info): Do not stream notes, do stream information
32555         in indirect edges.
32556         (ipa_read_node_info): Likewise.
32557         (lto_ipa_fixup_call_notes): Removed.
32558         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
32559         * ipa-inline.c (pass_ipa_inline): Likewise.
32560         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
32561         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
32562         * tree-inline.c (copy_bb): Removed an unnecessary double check for
32563         is_gimple_call.
32564         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
32565         edges.
32566         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
32567         (output_cgraph): Stream also indirect edges.
32568         (lto_output_edge): Added capability to stream indirect edges.
32569         (input_edge): Likewise.
32570         (input_cgraph_1): Likewise.
32571         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
32572         of indirect edges.
32573
32574 2010-04-28  Richard Guenther  <rguenther@suse.de>
32575
32576         PR tree-optimization/43879
32577         PR tree-optimization/43909
32578         * tree-ssa-structalias.c (struct variable_info): Add
32579         only_restrict_pointers flag.
32580         (new_var_info): Initialize it.  Increment stats.total_vars here.
32581         (create_function_info_for): Do not increment stats.total_vars here.
32582         (get_function_part_constraint): Fix build with C++.
32583         (insert_into_field_list): Remove.
32584         (push_fields_onto_fieldstack): Properly merge fields.
32585         (create_variable_info_for): Split and simplify.
32586         (create_variable_info_for_1): New piece.
32587         (intra_create_variable_infos): Properly make restrict constraints
32588         from parameters.
32589
32590 2010-04-28  Richard Guenther  <rguenther@suse.de>
32591
32592         PR c++/43880
32593         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
32594
32595 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
32596             Jan Hubicka  <hubicka@ucw.cz>
32597
32598         * doc/invoke.texi (-Wsuggest-attribute=const,
32599         -Wsuggest-attribute=pure): Document.
32600         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
32601         (function_always_visible_to_compiler_p,
32602         suggest_attribute, warn_function_pure, warn_function_const):
32603         New functions.
32604         (check_call): Improve debug info.
32605         (analyze_function): Do not check availability.
32606         (add_new_function): Check availability.
32607         (propagate): Output warnings.
32608         (skip_function_for_local_pure_const): New function.
32609         (local_pure_const): Use it; output warnings.
32610         * common.opt (Wsuggest-attribute=const,
32611         Wsuggest-attribute=pure): New.
32612
32613 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
32614
32615         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
32616         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
32617         or DW_CFA_def_cfa_offset{,_sf}.
32618
32619 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
32620
32621         * tree.h: Fix truncated long macros.
32622
32623 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
32624
32625         * collect2.c (TARGET_64BIT): Redefine to target's default.
32626         * tlink.c: Likewise.
32627         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
32628         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
32629         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
32630         for underscoring __USER_LABEL_PREFIX__.
32631         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
32632         (SUB_LINK_ENTRY32): New.
32633         (SUB_LINK_ENTRY64): New.
32634         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
32635         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
32636         (SUB_LINK_ENTRY64): New.
32637         (SUB_LINK_ENTRY): New.
32638         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
32639         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
32640         x64 target is choosen.
32641         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
32642         * configure: Regenerated.
32643         * configure.ac (leading-mingw64-underscores): Option added.
32644
32645 2010-04-27  Jan Hubicka  <jh@suse.cz>
32646
32647         * doc/invoke.texi (-fipa-profile): Document.
32648         * opts.c (decode_options): Enable ipa-profile at -O1.
32649         * timevar.def (TV_IPA_PROFILE): Define.
32650         * common.opt (fipa-profile): Add.
32651         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
32652         flag for clones.
32653         (cgraph_propagate_frequency): Handle only local ones.
32654         * tree-pass.h (pass_ipa_profile): Declare.
32655         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
32656         (pass_ipa_profile): Use TV_IPA_PROFILE.
32657         * ipa.c (ipa_profile): New function.
32658         (gate_ipa_profile): Likewise.
32659         (pass_ipa_profile): New global variable.
32660         * passes.c (pass_ipa_profile): New.
32661
32662 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
32663
32664         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
32665
32666 2010-04-27  Martin Jambor  <mjambor@suse.cz>
32667
32668         PR middle-end/43812
32669         * ipa.c (dissolve_same_comdat_group_list): New function.
32670         (function_and_variable_visibility): Call
32671         dissolve_same_comdat_group_list when comdat group contains external or
32672         newly local nodes.
32673         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
32674         lists are circular and that they contain only DECL_ONE_ONLY nodes.
32675
32676 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
32677
32678         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
32679         (const_hash_1) <VECTOR_CST>: New case.
32680         (compare_constant) <VECTOR_CST>: Likewise.
32681         <ADDR_EXPR>: Deal with LABEL_REFs.
32682         (copy_constant) <VECTOR_CST>: New case.
32683
32684 2010-04-27  Jan Hubicka  <jh@suse.cz>
32685
32686         * cgraph.c (cgraph_propagate_frequency): New function.
32687         * cgraph.h (cgraph_propagate_frequency): Declare.
32688         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
32689         cgraph_propagate_frequency.
32690
32691 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
32692
32693         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
32694
32695 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
32696
32697         PR target/40657
32698         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
32699         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
32700         here to determine which regs to push and how much stack to reserve.
32701
32702 2010-04-27  Jie Zhang  <jie@codesourcery.com>
32703
32704         * doc/gimple.texi (gimple_statement_with_ops): Remove
32705         addresses_taken field.
32706         (gimple_statement_with_memory_ops): Likewise.
32707
32708 2010-04-27  Jan Hubicka  <jh@suse.cz>
32709
32710         * tree-inline.c (eni_inlining_weights): Remove.
32711         (estimate_num_insns): Special case more builtins.
32712
32713 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
32714
32715         PR c/32207
32716         * c-typeck.c (build_binary_op): Move forward check for comparison
32717         pointer with null pointer constant and adjust the diagnostic message.
32718
32719 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
32720
32721         PR lto/42776
32722         * configure.ac (gcc_cv_as_section_has_align): Set if installed
32723         binutils supports extended .section directive needed by LTO, or
32724         warn if older binutils found.
32725         (LTO_BINARY_READER): New AC_SUBST'd variable.
32726         (LTO_USE_LIBELF): Likewise.
32727         * config.gcc (lto_binary_reader): New target-specific configure
32728         variable.
32729         * Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
32730         (LTO_USE_LIBELF): Likewise.
32731         * configure: Regenerate.
32732
32733         * collect2.c (is_elf): Rename from this ...
32734         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
32735          object files in addition to ELF-formatted ones.
32736         (scan_prog_file): Caller updated.  Also allow for LTO info marker
32737         symbol to be prefixed or not by an extra underscore.
32738
32739         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
32740         * config/i386/winnt.c: Also #include lto-streamer.h
32741         (i386_pe_asm_named_section): Specify 1-byte section alignment for
32742         LTO named sections.
32743         (i386_pe_asm_output_aligned_decl_common): Add comment.
32744         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
32745
32746 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
32747
32748         PR target/43889
32749         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
32750         Add missing earlyclobber for second alternative.
32751
32752 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
32753
32754         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
32755         bits for artificial defs at the top of the block.
32756         * fwprop.c (single_def_use_enter_block): Don't call it.
32757
32758 2010-04-26  Jack Howarth  <howarth@bromo.med.uc.edu>
32759
32760         PR 43715
32761         * configure.ac: Use "$gcc_cv_nm -g" on darwin
32762         instead of "$gcc_cv_objdump -T".
32763         Use "-undefined dynamic_lookup" on darwin.
32764         * configure: Regenerate.
32765
32766 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
32767
32768         PR c/43893
32769         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
32770
32771 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
32772
32773         * c-parser.c (struct c_token): Move location field up.
32774         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
32775         (struct c_declspecs): Convert typespec_word, storage_class, and
32776         default_int_p into bitfields.
32777         (struct c_declarator): Move loc field up.
32778
32779 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
32780
32781         * cfgloop.h (struct loop): Move can_be_parallel field up.
32782         * ipa-prop.h (struct ip_node_params): Move bitfields up.
32783         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
32784         down.
32785         (struct iv_cand): Convert pos field into a bitfield.
32786         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
32787         field up.
32788         (struct _stmt_vec_info): Shuffle fields for better packing.
32789
32790 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
32791
32792         * varasm.c (IN_NAMED_SECTION): Remove guard.
32793         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
32794         (IN_NAMED_SECTION_P): ...this.
32795         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
32796         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
32797
32798 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
32799
32800         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
32801         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
32802         of shadowing it.  Fix comments.
32803
32804 2010-04-26  Jan Hubicka  <jh@suse.cz>
32805
32806         * cgraph.c (cgraph_create_node): Set node frequency to normal.
32807         (cgraph_clone_node): Copy function frequency.
32808         * cgraph.h (node_frequency): New enum
32809         (struct cgraph_node): Add.
32810         * final.c (rest_of_clean_state): Update.
32811         * lto-cgraph.c (lto_output_node): Output node frequency.
32812         (input_overwrite_node): Input node frequency.
32813         * tre-ssa-loop-ivopts (computation_cost): Update.
32814         * lto-streamer-out.c (output_function): Do not output function
32815         frequency.
32816         * predict.c (maybe_hot_frequency_p): Update and handle functions
32817         executed once.
32818         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
32819         attribute lookup.
32820         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
32821         (compute_function_frequency): Set noreturn functions to be executed
32822         once.
32823         (choose_function_section): Update.
32824         * lto-streamer-in.c (input_function): Do not input function frequency.
32825         * function.c (allocate_struct_function): Do not initialize function
32826         frequency.
32827         * function.h (function_frequency): Remove.
32828         (struct function): Remove function frequency.
32829         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
32830         (try_update): Update.
32831         * tree-inline.c (initialize_cfun): Do not update function frequency.
32832         * passes.c (pass_init_dump_file): Update.
32833         * i386.c (ix86_compute_frame_layout): Update.
32834         (ix86_pad_returns): Update.
32835
32836 2010-04-26  Jie Zhang  <jie@codesourcery.com>
32837
32838         PR tree-optimization/43833
32839         * tree-vrp.c (range_int_cst_p): New.
32840         (range_int_cst_singleton_p): New.
32841         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
32842         when both operands are constants.  Use range_int_cst_p in
32843         BIT_IOR_EXPR case.
32844
32845 2010-04-26  Jan Hubicka  <jh@suse.cz>
32846
32847         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
32848
32849 2010-04-26  Richard Guenther  <rguenther@suse.de>
32850
32851         PR lto/43080
32852         * gimple.c (gimple_decl_printable_name): Deal gracefully
32853         with a NULL DECL_NAME.
32854
32855 2010-04-26  Richard Guenther  <rguenther@suse.de>
32856
32857         PR lto/42425
32858         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
32859         if emitting debug information and it is either a function
32860         or a namespace decl.
32861
32862 2010-04-26  Ira Rosen  <irar@il.ibm.com>
32863
32864         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
32865         determine if the statement is vectorizable, and a macro to access it.
32866         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
32867         Skip statements that can't be vectorized. If the analysis fails,
32868         mark the statement as unvectorizable if vectorizing basic block.
32869         (vect_compute_data_refs_alignment): Likewise.
32870         (vect_verify_datarefs_alignment): Skip statements marked as
32871         unvectorizable. Add print.
32872         (vect_analyze_group_access): Skip statements that can't be
32873         vectorized. If the analysis fails, mark the statement as
32874         unvectorizable if vectorizing basic block.
32875         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
32876         * tree-vect-stmts.c (vectorizable_store): Fix the number of
32877         generated stmts for SLP.
32878         (new_stmt_vec_info): Initialize the new field.
32879         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
32880         statements marked as unvectorizable.
32881
32882 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
32883
32884         * c-common.c (flag_isoc1x): New.
32885         (flag_isoc99): Update comment.
32886         * c-common.h (flag_isoc1x): New.
32887         (flag_isoc99): Update comment.
32888         * c-cppbuiltin.c (builtin_define_float_constants): Also define
32889         __<type>_DECIMAL_DIG__.
32890         * c-opts.c (set_std_c1x): New.
32891         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
32892         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
32893         * c.opt (-std=c1x, -std=gnu1x): New options.
32894         * doc/cpp.texi: Mention -std=c1x.
32895         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
32896         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
32897         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
32898         * doc/standards.texi: Mention C1X.
32899         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
32900         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
32901         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
32902         Define for C1X.
32903
32904 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
32905
32906         * config/i386/gmon-sol2.c (_mcleanup): Change format string
32907         placeholder from 0x%x to %#x.
32908         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
32909         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
32910         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
32911         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
32912         * config/i386/i386.c (ix86_target_string): Ditto.
32913         (output_pic_addr_const): Ditto.
32914         (print_operand): Ditto.
32915
32916 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
32917
32918         * combine.c (find_split_point): Add third argument.  Use it
32919         to find nested multiply-accumulate instructions.  Adjust calls.
32920         (try_combine): Adjust call to find_split_point.
32921
32922 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
32923
32924         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
32925
32926 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
32927
32928         PR tree-optimization/41442
32929         * fold-const.c (merge_truthop_with_opposite_arm): New function.
32930         (fold_binary_loc): Call it.
32931
32932 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
32933
32934         * toplev.c (general_init): Set default for fdiagnostics-show-option.
32935         * opts.c (common_handle_option): Allow disabling it.
32936         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
32937
32938 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
32939
32940         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
32941         between modes if both types are integral.
32942
32943 2010-04-23  Richard Guenther  <rguenther@suse.de>
32944
32945         PR tree-optimization/43572
32946         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
32947
32948 2010-04-23  Richard Guenther  <rguenther@suse.de>
32949
32950         PR lto/43455
32951         * tree-inline.c (tree_can_inline_p): Also check compatibility
32952         of return types.
32953
32954 2010-04-23  Martin Jambor  <mjambor@suse.cz>
32955
32956         PR tree-optimization/43846
32957         * tree-sra.c (struct access): New flag grp_assignment_read.
32958         (build_accesses_from_assign): Set grp_assignment_read.
32959         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
32960         (enum mark_read_status): New type.
32961         (analyze_access_subtree): Propagate grp_assignment_read, create
32962         accesses also if both direct_read and root->grp_assignment_read.
32963
32964 2010-04-23  Martin Jambor  <mjambor@suse.cz>
32965
32966         PR middle-end/43835
32967         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
32968         function does not have type attributes.
32969
32970 2010-04-23  Richard Guenther  <rguenther@suse.de>
32971
32972         PR lto/42653
32973         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
32974         of FUNCTION_DECLs.
32975
32976 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
32977
32978         * sese.h (create_if_region_on_edge): Remove.
32979
32980         * sese.c (create_if_region_on_edge): Make static.
32981
32982         * tree-inline.c: Do not include ggc.h.
32983
32984         * expr.c: Do not include ggc.h.
32985
32986         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
32987         dependencies.
32988
32989 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
32990
32991         PR target/43744
32992         * config/sh/sh.c (find_barrier): Don't emit a constant pool
32993         in the middle of insns for casesi_worker_2.
32994
32995 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
32996
32997         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
32998
32999 2010-04-22  Ira Rosen  <irar@il.ibm.com>
33000
33001         PR tree-optimization/43842
33002         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
33003         loop unrolling in update of exit phis. Fix comment.
33004         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
33005         least two reduction statements in the loop before starting SLP
33006         analysis.
33007
33008 2010-04-22  Nick Clifton  <nickc@redhat.com>
33009
33010         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
33011
33012 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
33013
33014         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
33015         to simplify a + ~a.
33016
33017 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
33018
33019         * tree-parloops.c (loop_parallel_p): New argument
33020         parloop_obstack.  Pass it down.
33021         (parallelize_loops): New variable parloop_obstack.  Initialize it,
33022         pass it down, free it.
33023
33024         * tree-loop-linear.c (linear_transform_loops): Pass down
33025         lambda_obstack.
33026
33027         * tree-data-ref.h (lambda_compute_access_matrices): New argument
33028         of type struct obstack *.
33029
33030         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
33031         scratch_obstack.  Initialize it, pass down, free it.
33032
33033         * lambda.h (lambda_loop_new): Remove.
33034         (lambda_matrix_new, lambda_matrix_inverse)
33035         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
33036         argument of type struct obstack *.
33037
33038         * lambda-trans.c (lambda_trans_matrix_new): New argument
33039         lambda_obstack.  Pass it down, use obstack allocation for ret.
33040         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
33041         it down.
33042
33043         * lambda-mat.c (lambda_matrix_get_column)
33044         (lambda_matrix_project_to_null): Remove.
33045         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
33046         allocation for mat.
33047         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
33048         lambda_obstack.
33049
33050         * lambda-code.c (lambda_loop_new): New function.
33051         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
33052         (lambda_compute_auxillary_space, lambda_compute_target_space)
33053         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
33054         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
33055         (build_access_matrix): New argument lambda_obstack.  Use obstack
33056         allocation for am.
33057         (lambda_compute_step_signs, lambda_compute_access_matrices): New
33058         argument lambda_obstack.  Pass it down.
33059
33060 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
33061
33062         * optabs.h (expand_widening_mult): Declare.
33063
33064 2010-04-22  Richard Guenther  <rguenther@suse.de>
33065
33066         PR tree-optimization/43845
33067         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
33068         lookup the CALL_EXPR function and arguments.
33069
33070 2010-04-22  Nick Clifton  <nickc@redhat.com>
33071
33072         * config/stormy16/stormy16.c
33073         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
33074         * config/stormy16/stormy16.h: Tidy up formatting.
33075         (DONT_USE_BUILTIN_SETJMP): Remove definition.
33076         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
33077         (ineqbranchsi): Delete pattern.
33078         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
33079         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
33080         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
33081         stormy16-lib2-ucmpsi2.c.
33082
33083 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
33084
33085         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
33086         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
33087         extra set merge_set_noclobber, and use it to relax the final test
33088         slightly.
33089         * df.h (df_simulate_find_noclobber_defs): Declare.
33090         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
33091         conditional defs.
33092         (df_simulate_find_noclobber_defs): New function.
33093
33094 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
33095
33096         * config/i386/i386.md: Use {} around multi-line preparation statements.
33097
33098 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
33099
33100         * c-tree.h (push_init_level, pop_init_level, set_init_index)
33101         (process_init_element): New argument of type struct obstack *.
33102
33103         * c-typeck.c (push_init_level, pop_init_level, set_designator)
33104         (set_init_index, set_init_label, set_nonincremental_init)
33105         (set_nonincremental_init_from_string, find_init_member)
33106         (output_init_element, output_pending_init_elements)
33107         (process_init_element): New argument braced_init_obstack.  Pass it
33108         down.
33109         (push_range_stack, add_pending_init): New argument
33110         braced_init_obstack.  Use obstack allocation.
33111
33112         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
33113         braced_init_obstack.  Pass it down.
33114         (c_parser_braced_init): New variables ret, braced_init_obstack.
33115         Initialize obstack, pass it down and finally free it.
33116
33117 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
33118
33119         PR middle-end/29274
33120         * tree-pass.h (pass_optimize_widening_mul): Declare.
33121         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
33122         gate_optimize_widening_mul): New static functions.
33123         (pass_optimize_widening_mul): New.
33124         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
33125         <case MULT_EXPR>: Remove support for widening multiplies.
33126         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
33127         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
33128         simplify_gen_unary rather than directly building extensions.
33129         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
33130         WIDEN_MULT_EXPR.
33131         * expmed.c (expand_widening_mult): New function.
33132         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
33133
33134 2010-04-21  Jan Hubicka  <jh@suse.cz>
33135
33136         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
33137         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
33138         * lto-wpa-fixup.c: Remove.
33139         * Makefile.in (lto-wpa-fixup.o): Remove.
33140         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
33141         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
33142         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
33143
33144 2010-04-21  Jan Hubicka  <jh@suse.cz>
33145
33146         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
33147         add write_optimization_summary, read_optimization_summary.
33148         (ipa_write_summaries_of_cgraph_node_set): Remove.
33149         (ipa_write_optimization_summaries): Declare.
33150         (ipa_read_optimization_summaries): Declare.
33151         * ipa-cp.c (pass_ipa_cp): Update.
33152         * ipa-reference.c (pass_ipa_reference): Update.
33153         * ipa-pure-const.c (pass_ipa_pure_const): Update.
33154         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
33155         Update.
33156         * ipa-inline.c (pass_ipa_inline): Update.
33157         * ipa.c (pass_ipa_whole_program): Update.
33158         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
33159         * passes.c (ipa_write_summaries_1): Do not test wpa.
33160         (ipa_write_optimization_summaries_1): New.
33161         (ipa_write_optimization_summaries): New.
33162         (ipa_read_summaries): Do not test ltrans.
33163         (ipa_read_optimization_summaries_1): New.
33164         (ipa_read_optimization_summaries): New.
33165
33166 2010-04-21  Jan Hubicka  <jh@suse.cz>
33167
33168         * lto-cgraph.c (lto_output_node): Do not output comdat groups
33169         for boundary nodes.
33170         (output_cgraph): Do not arrange comdat groups for boundary nodes.
33171
33172 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
33173
33174         PR debug/40040
33175         * dwarf2out.c (add_name_and_src_coords_attributes): Add
33176         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
33177
33178 2010-04-21  Jan Hubicka  <jh@suse.cz>
33179
33180         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
33181
33182 2010-04-21  Jan Hubicka  <jh@suse.cz>
33183
33184         * varpool.c (decide_is_variable_needed): Variable is always needed
33185         during ltrans.
33186
33187 2010-04-21  Jan Hubicka  <jh@suse.cz>
33188
33189         * opts.c (decode_options): Enable pure-const pass for whopr.
33190
33191 2010-04-21  Jan Hubicka  <jh@suse.cz>
33192
33193         * cgraph.c (dump_cgraph_node): Dump also assembler name.
33194         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
33195         at WPA dumping.
33196         (cgraph_decide_inlining): Do not expect callee to be removed in all
33197         cases.
33198
33199 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
33200
33201         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
33202
33203 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
33204
33205         * config/i386/i386.md (x86_shrd): Add athlon_decode and
33206         amdfam10_decode attributes.
33207
33208 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
33209
33210         PR middle-end/43570
33211         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
33212         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
33213         (lower_copyprivate_clauses): Use private var in outer
33214         context instead of original var.  Make sure the types
33215         are correct for VLAs.
33216
33217 2010-04-21  Richard Guenther  <rguenther@suse.de>
33218
33219         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
33220         to non-pointer objects.
33221
33222 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
33223
33224         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
33225         last chain entry if it starts with the still current label.
33226         (add_location_or_const_value_attribute): Check that
33227         loc_list->first->next is NULL instead of comparing ->first with ->last.
33228         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
33229         to add_var_loc_to_decl.
33230
33231         * dwarf2out.c (output_call_frame_info): For dw_cie_version
33232         >= 4 add also address size and segment size fields into CIE header.
33233
33234         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
33235         long as address size is the same as sizeof (void *) and
33236         segment size is 0.
33237         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
33238         address size or segment size is unexpected, return DW_EH_PE_omit.
33239         (classify_object_over_fdes): If get_cie_encoding returned
33240         DW_EH_PE_omit, return -1.
33241         (init_object): If classify_object_over_fdes returned -1,
33242         pretend there were no FDEs at all.
33243
33244 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
33245
33246         * config/i386/i386.md (bswap<mode>2): Macroize expander from
33247         bswap{si,di}2 using SWI48 mode iterator.
33248         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
33249         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
33250         set modrm attribute of bswap insn to 0 and remove length attribute.
33251         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
33252         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
33253         set mode attribute to <MODE> and remove length attribute.
33254
33255 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
33256
33257         PR rtl-optimization/43520
33258         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
33259         zero available registers.
33260
33261 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
33262
33263         * builtins.c (fold_builtin_cproj): Fold more cases.
33264
33265 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
33266
33267         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
33268         (fold_builtin_1): Fold builtin cproj.
33269         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
33270         Use ATTR_CONST_NOTHROW_LIST.
33271
33272 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
33273
33274         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
33275         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
33276         ffsi2_no_cmove for !TARGET_CMOVE.
33277         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
33278         (ffssi2): Remove expander.
33279         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
33280         mode iterator.
33281         (ctz<mode>2): Ditto from ctz{si,di}2.
33282         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
33283         mode iterator.
33284         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
33285         mode iterator.
33286
33287 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
33288
33289         * dwarf2out.c (AT_linkage_name): Define.
33290         (clone_as_declaration): Handle DW_AT_linkage_name.
33291         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
33292         of DW_AT_MIPS_linkage_name.
33293         (move_linkage_attr): Likewise.
33294         (dwarf2out_finish): Likewise.
33295
33296 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
33297
33298         PR middle-end/41952
33299         * fold-const.c (fold_comparison): New folding rule.
33300
33301 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
33302
33303         * double-int.h (double_int_setbit): Declare.
33304         * double-int.c (double_int_setbit): New function.
33305         * rtl.h (immed_double_int_const): Declare.
33306         * emit-rtl.c (immed_double_int_const): New function.
33307         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
33308         and immed_double_int_const functions.
33309         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
33310         expand_copysign_bit): (Ditto.).
33311         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
33312         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
33313         * dojump.c (prefer_and_bit_test): (Ditto.).
33314         * expr.c (convert_modes, reduce_to_bit_field_precision,
33315         const_vector_from_tree): (Ditto.).
33316         * expmed.c (mask_rtx, lshift_value): (Ditto.).
33317
33318 2010-04-20  Jan Hubicka  <jh@suse.cz>
33319
33320         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
33321         (dump_cgraph_node): Dump new flags.
33322         * cgraph.h (struct cgraph_node): Add flags
33323         reachable_from_other_partition and in_other_partition.
33324         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
33325         other partition can not be removed.
33326         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
33327         the other partition must be output; silence sanity checking on
33328         leaking functions bodies from other paritition.
33329         * lto-cgraph.c (reachable_from_other_partition_p): New function.
33330         (lto_output_node): Output new flags; do not sanity check that inline
33331         clones are output; drop lto_forced_extern_inline_p code; do not mock
33332         visibility flags at partition boundaries.
33333         (add_node_to): New function.
33334         (output_cgraph): Use it to sort functions so masters appear before
33335         clones.
33336         (input_overwrite_node): Input new flags.
33337         * passes.c (ipa_write_summaries): Do not call
33338         lto_new_extern_inline_states.
33339         * lto-section-out.c (forced_extern_inline,
33340         lto_new_extern_inline_states lto_delete_extern_inline_states,
33341         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
33342         * lto-streamer.h (lto_new_extern_inline_states,
33343         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
33344         lto_forced_extern_inline_p): Kill.
33345
33346 2010-04-20  Richard Guenther  <rguenther@suse.de>
33347
33348         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
33349         from vars that can have pointers.
33350         (process_constraint): Dump useless constraints.
33351
33352 2010-04-20  Richard Guenther  <rguenther@suse.de>
33353
33354         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
33355         (dump_sa_points_to_info): Remove asserts.
33356         (init_base_vars): nothing_id isn't an escape point nor does it
33357         have pointers.
33358
33359 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
33360
33361         * tree.h (TYPE_REF_IS_RVALUE): Define.
33362         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
33363         should_move_die_to_comdat, prune_unused_types_walk): Handle
33364         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
33365         (modified_type_die, gen_reference_type_die): Emit
33366         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
33367         if TYPE_REF_IS_RVALUE and -gdwarf-4.
33368
33369 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
33370
33371         PR target/43635
33372         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
33373         calls for -fpic -m31 if they have been sibcall optimized.
33374
33375 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
33376
33377         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
33378         ar.lc fixed and call-used.
33379
33380         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
33381
33382 2010-04-19  Jan Hubicka  <jh@suse.cz>
33383
33384         * opts.c (decode_options): Disable whpr incompatible passes.
33385         * lto/lto.c (lto_1_to_1_map): Skip clones.
33386         (read_cgraph_and_symbols): Do not mark everything as needed.
33387         (do_whole_program_analysis): Do map only after optimizing;
33388         set proper cgraph_state; use passmanager.
33389
33390 2010-04-19  DJ Delorie  <dj@redhat.com>
33391
33392         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
33393         POINTER_PLUS_EXPR and fix them.
33394
33395 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
33396
33397         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
33398         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
33399         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
33400         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
33401         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
33402         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
33403         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
33404         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
33405         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
33406         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
33407         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
33408
33409 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
33410
33411         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
33412         (check_cond_move_block): Likewise.
33413         (cond_move_process_if_block): Likewise.
33414         (noce_find_if_block): Improve formatting.
33415         (find_if_header): Pass 0 to memset and tweak conditions.
33416         (cond_exec_find_if_block): Fix long lines and tweak conditions.
33417
33418 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
33419
33420         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
33421         for -gdwarf-4.
33422
33423         PR middle-end/43337
33424         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
33425         with non-local decl doesn't need chain.
33426
33427 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
33428
33429         * ira-color.c (allocno_reload_assign): Avoid accumulating
33430         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
33431
33432 2010-04-19  Martin Jambor  <mjambor@suse.cz>
33433
33434         * gimple.h (create_tmp_reg): Declare.
33435         * gimplify.c (create_tmp_reg): New function.
33436         (gimplify_return_expr): Use create_tmp_reg.
33437         (gimplify_omp_atomic): Likewise.
33438         (gimple_regimplify_operands): Likewise.
33439         * tree-dfa.c (make_rename_temp): Likewise.
33440         * tree-predcom.c (predcom_tmp_var): Likewise.
33441         (reassociate_to_the_same_stmt): Likewise.
33442         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
33443         (get_replaced_param_substitute): Likewise.
33444         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
33445         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
33446         * tree-ssa-pre.c (get_representative_for): Likewise.
33447         (create_expression_by_pieces): Likewise.
33448         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
33449         (create_tailcall_accumulator): Likewise.
33450
33451 2010-04-19  Martin Jambor  <mjambor@suse.cz>
33452
33453         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
33454         new_stmt.
33455         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
33456
33457 2010-04-19  Richard Guenther  <rguenther@suse.de>
33458
33459         PR tree-optimization/43796
33460         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
33461         from SCEV in the lattice.
33462         (vrp_visit_phi_node): Dump change.
33463
33464 2010-04-19  Richard Guenther  <rguenther@suse.de>
33465
33466         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
33467         * configure: Re-generated.
33468
33469 2010-04-19  Richard Guenther  <rguenther@suse.de>
33470
33471         PR tree-optimization/43783
33472         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
33473         constant ARRAY_REF operands two and three if possible.
33474
33475 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
33476
33477         PR target/43766
33478         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
33479
33480 2010-04-19  Jie Zhang  <jie@codesourcery.com>
33481
33482         PR target/43662
33483         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
33484
33485 2010-04-19  Ira Rosen  <irar@il.ibm.com>
33486
33487         PR tree-optimization/37027
33488         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
33489         and macro to access it.
33490         (vectorizable_reduction): Add argument.
33491         (vect_get_slp_defs): Likewise.
33492         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
33493         statements for possible use in SLP.
33494         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
33495         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
33496         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
33497         add new argument.
33498         (vectorizable_reduction): Likewise.
33499         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
33500         vect_get_slp_defs.
33501         (vectorizable_type_demotion, vectorizable_type_promotion,
33502         vectorizable_store): Likewise.
33503         (vect_analyze_stmt): Update call to vectorizable_reduction.
33504         (vect_transform_stmt): Likewise.
33505         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
33506         (vect_build_slp_tree): Fix indentation. Check that there are no loads
33507         from different interleaving chains in same node.
33508         (vect_slp_rearrange_stmts): New function.
33509         (vect_supported_load_permutation_p): Allow load permutations for
33510         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
33511         inside SLP nodes if necessary.
33512         (vect_analyze_slp_instance): Handle reductions.
33513         (vect_analyze_slp): Try to build SLP instances originating from groups
33514         of reductions.
33515         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
33516         (vect_get_constant_vectors): Create initial vectors for reductions
33517         according to reduction code. Add new argument.
33518         (vect_get_slp_defs): Add new argument, pass it to
33519         vect_get_constant_vectors.
33520         (vect_schedule_slp_instance): Remove SLP tree root statements.
33521
33522 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
33523
33524         * tree.h (ENUM_IS_SCOPED): Define.
33525         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
33526         for ENUM_IS_SCOPED enums.
33527
33528 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
33529
33530         * fold-const.c (fold_comparison): Use ssizetype.
33531         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
33532         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
33533         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
33534         * tree-object-size.c (compute_object_sizes): Use size_type_node.
33535
33536         * tree.h (initialize_sizetypes): Remove parameter.
33537         (build_common_tree_nodes): Remove second parameter.
33538         * stor-layout.c (initialize_sizetypes): Remove parameter.
33539         Always create an unsigned type.
33540         (set_sizetype): Assert that the passed type is unsigned and simplify.
33541         * tree.c (build_common_tree_nodes): Remove second parameter.
33542         Adjust call to initialize_sizetypes.
33543         * c-decl.c (c_init_decl_processing): Remove second argument in call to
33544         build_common_tree_nodes.
33545
33546 2010-04-18  Matthias Klose  <doko@ubuntu.com>
33547
33548         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
33549
33550 2010-04-18  Ira Rosen  <irar@il.ibm.com>
33551
33552         PR tree-optimization/43771
33553         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
33554         load permutation doesn't have gaps.
33555
33556 2010-04-18  Jan Hubicka  <jh@suse.cz>
33557
33558         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
33559         (sse_prologue_save_insn expander): Use new pattern.
33560         (sse_prologue_save_insn1): New pattern and splitter.
33561         (sse_prologue_save_insn): Update to deal also with 64bit aligned
33562         blocks.
33563         * i386.c (setup_incoming_varargs_64): Do not compute jump
33564         destination here.
33565         (ix86_gimplify_va_arg): Update alignment needed.
33566         (ix86_local_alignment): Do not align all local arrays to 128bit.
33567
33568 2010-04-17  Jan Hubicka  <jh@suse.cz>
33569
33570         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
33571
33572 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
33573
33574         * arm.md (negdi2): Remove redundant code to force values into a
33575         register.
33576
33577 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
33578
33579         * arm/bpabi.S: Add EABI alignment attributes to objects.
33580         * arm/bpabi-v6m.S: Likewise.
33581         * arm/crti.asm: Likewise.
33582         * arm/crtn.asm: Likewise.
33583         * arm/lib1funcs.asm: Likewise.
33584         * arm/libunwind.S: Likewise.
33585
33586 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
33587
33588         * arm-protos.h (tune_params): New structure.
33589         * arm.c (current_tune): New variable.
33590         (arm_constant_limit): Delete.
33591         (struct processors): Add pointer to the tune parameters.
33592         (arm_slowmul_tune): New tuning option.
33593         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
33594         (all_cores): Adjust to pick up the tuning model.
33595         (arm_constant_limit): New function.
33596         (arm_override_options): Select the appropriate tuning model.  Delete
33597         initialization of arm_const_limit.
33598         (arm_split_constant): Use the new constant-limit model.
33599         (arm_rtx_costs): Pick up the current tuning model.
33600         * arm.md (is_strongarm, is_xscale): Delete.
33601         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
33602         for Xscale variant architectures.
33603         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
33604
33605 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
33606
33607         * config/arm/arm.c (arm_gen_constant): Remove unused variable
33608         can_shift.
33609         (arm_rtx_costs_1): Remove unused variable extra_cost.
33610         (arm_unwind_emit_set): Use variable offset.
33611         (thumb1_output_casesi): Remove unused variable flags.
33612
33613 2010-04-16  Jeff Law  <law@redhat.com>
33614
33615         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
33616         needing assignment rather than doing a two-phase assignment.  Remove
33617         unused variable 'm'.
33618
33619 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
33620
33621         PR bootstrap/43767
33622         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
33623
33624 2010-04-16  Doug Kwan  <dougkwan@google.com>
33625
33626         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
33627         (next_operand_entry_id): New static variable.
33628         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
33629         (add_to_ops_vec): Assigned unique ID to operand entry.
33630         (struct oecount_s): New field ID.
33631         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
33632         (undistribute_ops_list): Assign unique IDs to oecounts.
33633         (init_reassoc): reset next_operand_entry_id.
33634
33635 2010-04-16  Doug Kwan  <dougkwan@google.com>
33636
33637         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
33638         missing left parenthesis.
33639
33640 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
33641
33642         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
33643         *btdi_rex64 using SWI48 mode iterator.
33644         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
33645         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
33646         *jcc_btdi_mask_rex64.
33647
33648 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
33649
33650         * double-int.h (tree_to_double_int): Convert to macro.
33651         * double-int.c (tree_to_double_int): Remove.
33652
33653 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
33654
33655         PR debug/43762
33656         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
33657         with want_address 2 and in case a single element list might be
33658         possible, call it again with want_address 0.
33659
33660 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
33661
33662         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
33663         case 'W' print operands for HI mode.
33664         * config/h8300/h8300.h (Y0, Y2) : New constraints.
33665         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
33666         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
33667         * config/h8300/predicate.md (bit_register_indirect_operand): New.
33668
33669         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
33670
33671         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
33672         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
33673         #xx:3 and #xx:4 mode.
33674
33675         * config/h8300/h8300.md (inverted load with HImode dest): Add
33676         support for H8300SX.
33677
33678         * config/h8300/predicate.md (bit_operand): Allow immediate values that
33679         satisfy 'U' constraint.
33680
33681 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
33682
33683         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
33684         * configure: Regenerate.
33685         * config.in: Regenerate.
33686         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
33687         works.
33688
33689 2010-04-16  Richard Guenther  <rguenther@suse.de>
33690
33691         * tree.h (struct tree_decl_minimal): Move pt_uid ...
33692         (struct tree_decl_common): ... here.
33693         (DECL_PT_UID): Adjust.
33694         (SET_DECL_PT_UID): Likewise.
33695         (DECL_PT_UID_SET_P): Likewise.
33696
33697 2010-04-16  Richard Guenther  <rguenther@suse.de>
33698
33699         PR tree-optimization/43572
33700         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
33701         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
33702         * tree-flow.h (is_call_clobbered): Remove.
33703         * tree-flow-inline.h (is_call_clobbered): Likewise.
33704         * tree-dfa.c (dump_variable): Do not dump call clobber state.
33705         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
33706         (execute_return_slot_opt): Adjust.
33707         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
33708         check for call clobbered vars here.
33709         (find_tail_calls): Move tailcall verification to the
33710         proper place.
33711
33712 2010-04-16  Diego Novillo  <dnovillo@google.com>
33713
33714         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
33715
33716 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
33717
33718         PR target/40603
33719         * config/arm/arm.md (cbranchqi4): New pattern.
33720         * config/arm/predicates.md (const0_operand,
33721         cbranchqi4_comparison_operator): New predicates.
33722
33723 2010-04-16  Richard Guenther  <rguenther@suse.de>
33724
33725         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
33726         (dump_gimple_stmt): Likewise.
33727
33728 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
33729
33730         * recog.h (struct recog_data): New field is_operator.
33731         (struct insn_operand_data): New field is_operator.
33732         * recog.c (extract_insn): Set recog_data.is_operator.
33733         * genoutput.c (output_operand_data): Emit code to set the
33734         is_operator field.
33735         * reload.c (find_reloads): Use it rather than testing for an
33736         empty constraint string.
33737
33738         PR target/41514
33739         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
33740         If the previous insn is a cbranchsi4_insn with the same arguments,
33741         omit the compare instruction.
33742
33743         * config/arm/arm.md (addsi3_cbranch): If destination is a high
33744         register, inputs must be low registers and we need a low register
33745         scratch.  Handle alternative 2 like alternative 3.
33746
33747 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
33748
33749         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
33750         don't call get_addr on both.  If one expression is a VALUE and
33751         the other a REG, check VALUE's locs if the REG isn't among them.
33752
33753 2010-04-16  Christian Bruel  <christian.bruel@st.com>
33754
33755         * config/sh/sh.h (sh_frame_pointer_required): New function.
33756         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
33757         (flag_omit_frame_pointer) Set.
33758         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
33759         (rounded_frame_size): Adjust size with outgoing_args_size.
33760         (sh_set_return_address): Must return from stack pointer.
33761         * config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
33762         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
33763         (ACCUMULATE_OUTGOING_ARGS): Define.
33764         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
33765         * config/sh/sh.opt (maccumulate-outgoing-args): New option.
33766
33767 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
33768
33769         PR target/43471
33770         * config/sh/sh.c (sh_legitimize_reload_address): Use
33771         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
33772         Remove a unneeded check for offset_base.
33773
33774 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
33775
33776         * configure: Regenerated.
33777
33778 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
33779
33780         * config/s390/s390.c (s390_call_save_register_used): Switch back
33781         to HARD_REGNO_NREGS.
33782
33783 2010-04-15  Richard Guenther  <rguenther@suse.de>
33784
33785         * alias.c (alias_set_subset_of): Handle alias-set zero
33786         child properly.
33787
33788 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
33789             Julian Brown  <julian@codesourcery.com>
33790
33791         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
33792         alternatives according to use of high and low regs.
33793         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
33794         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
33795         optimizing for size on Thumb-2.
33796
33797 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
33798
33799         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
33800
33801 2010-04-15  Richard Guenther  <rguenther@suse.de>
33802
33803         * tree-ssa-structalias.c (struct variable_info): Add
33804         is_fn_info flag.
33805         (new_var_info): Initialize it.
33806         (dump_constraints): Support printing last added constraints.
33807         (debug_constraints): Adjust.
33808         (dump_constraint_graph): Likewise.
33809         (make_heapvar_for): Check for NULL cfun.
33810         (get_function_part_constraint): New function.
33811         (get_fi_for_callee): Likewise.
33812         (find_func_aliases): Properly implement IPA PTA constraints.
33813         (process_ipa_clobber): New function.
33814         (find_func_clobbers): Likewise.
33815         (insert_into_field_list_sorted): Remove.
33816         (create_function_info_for): Properly allocate vars for IPA mode.
33817         Do not use insert_into_field_list_sorted.
33818         (create_variable_info_for): Properly generate constraints for
33819         global vars in IPA mode.
33820         (dump_solution_for_var): Always dump the solution.
33821         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
33822         (find_what_var_points_to): Adjust.
33823         (pt_solution_set): Change.
33824         (pt_solution_ior_into): New function.
33825         (pt_solution_empty_p): Export.
33826         (pt_solution_includes_global): Adjust.
33827         (pt_solution_includes_1): Likewise.
33828         (pt_solutions_intersect_1): Likewise.
33829         (dump_sa_points_to_info): Check some invariants.
33830         (solve_constraints): Move constraint dumping ...
33831         (compute_points_to_sets): ... here.
33832         (ipa_pta_execute): ... and here.
33833         (compute_may_aliases): Do not re-compute points-to info
33834         locally if IPA info is available.
33835         (ipa_escaped_pt): New global var.
33836         (ipa_pta_execute): Properly implement IPA PTA.
33837         * tree-into-ssa.c (dump_decl_set): Support dumping
33838         decls not in referenced-vars.
33839         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
33840         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
33841         (dump_points_to_solution): Likewise.
33842         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
33843         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
33844         (remap_gimple_stmt): Reset call clobber/use information if necessary.
33845         (copy_decl_to_var): Copy DECL_PT_UID.
33846         (copy_result_decl_to_var): Likewise.
33847         * tree.c (make_node_stat): Initialize DECL_PT_UID.
33848         (copy_node_stat): Copy it.
33849         * tree.h (DECL_PT_UID): New macro.
33850         (SET_DECL_PT_UID): Likewise.
33851         (DECL_PT_UID_SET_P): Likewise.
33852         (struct tree_decl_minimal): Add pt_uid member.
33853         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
33854         (pt_solution_empty_p): Declare.
33855         (pt_solution_set): Adjust.
33856         (ipa_escaped_pt): Declare.
33857         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
33858         * gimple-pretty-print.c (pp_points_to_solution): New function.
33859         (dump_gimple_call): Dump call clobber/use information.
33860         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
33861         * tree-pass.h (TDF_ALIAS): New dump option.
33862         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
33863         * doc/invoke.texi (-fipa-pta): Update documentation.
33864
33865 2010-04-15  Richard Guenther  <rguenther@suse.de>
33866
33867         * Makefile.in (OBJS-common): Add gimple-fold.o.
33868         (gimple-fold.o): New rule.
33869         * tree.h (maybe_fold_offset_to_reference,
33870         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
33871         prototypes ...
33872         * gimple.h: ... here.
33873         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
33874         may_propagate_address_into_dereference): Move prototypes ...
33875         * gimple.h: ... here.
33876         * tree-ssa-ccp.c (get_symbol_constant_value,
33877         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
33878         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
33879         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
33880         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
33881         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
33882         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
33883         gimplify_and_update_call_from_tree): Move ...
33884         * gimple-fold.c: ... here.  New file.
33885         (ccp_fold_builtin): Rename to ...
33886         (gimple_fold_builtin): ... this.
33887         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
33888
33889 2010-04-15  Richard Guenther  <rguenther@suse.de>
33890
33891         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
33892         fit_double_type, force_fit_type_double, add_double_with_sign,
33893         neg_double, mul_double_with_sign, lshift_double, rshift_double,
33894         lrotate_double, rrotate_double, div_and_round_double): Move ...
33895         * double-int.c: ... here.
33896         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
33897         add_double, neg_double, mul_double_with_sign, mul_double,
33898         lshift_double, rshift_double, lrotate_double, rrotate_double,
33899         div_and_round_double): Move prototypes ...
33900         * double-int.h: ... here.
33901
33902 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
33903
33904         PR target/43742
33905         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
33906         matching constraints to ensure inputs match the output.
33907
33908 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
33909
33910         PR target/43742
33911         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
33912         in an input-only operand.
33913
33914 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
33915
33916         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
33917         (double_int_not, double_int_lshift, double_int_rshift): Declare.
33918         (double_int_negative_p): Convert to static inline function.
33919         * double-int.c (double_int_lshift, double_int_lshift): New functions.
33920         (double_int_negative_p): Remove.
33921         * tree.h (lshift_double, rshift_double):
33922         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
33923         * fold-const.c (fold_convert_const_int_from_real,
33924         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
33925         (lshift_double): Change type of arith argument to bool.
33926         (rshift_double): Change type of arith argument to bool. Correct
33927         comment.
33928         * expmed.c (mask_rtx, lshift_value): (Ditto.).
33929
33930 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
33931
33932         PR target/21803
33933         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
33934         at the start and end of the then/else blocks, and omit them from the
33935         conversion.
33936         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
33937         argument; all callers changed.  Pass zero to old_insns_match_p instead.
33938         (flow_find_head_matching_sequence): New function.
33939         (old_insns_match_p): Check REG_EH_REGION notes for calls.
33940         * basic-block.h (flow_find_cross_jump,
33941         flow_find_head_matching_sequence): Declare functions.
33942
33943 2010-04-14  Jason Merrill  <jason@redhat.com>
33944
33945         PR c++/36625
33946         * c-common.c (attribute_takes_identifier_p): New fn.
33947         * c-common.h: Declare it.
33948
33949 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
33950
33951         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
33952         splitter condition.
33953         (*udivmod<mode>4): Ditto.
33954
33955 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
33956
33957         * config/i386/i386.md (maxmin_int): Rename code attribute from
33958         maxminiprefix and update all users.
33959         (maxmin_float): Ditto from maxminfprefix.
33960         (logic): Ditto from logicprefix.
33961         (absneg_mnemonic): Ditto from absnegprefix.
33962         * config/i386/mmx.md: Update all users of maxminiprefix,
33963         maxminfprefix and logicprefix for rename.
33964         * config/i386/sse.md: Ditto.
33965         * config/i386/sync.md (sync_<code><mode>): Update for
33966         logicprefix rename.
33967
33968 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
33969
33970         PR 42966
33971         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
33972         warnings converted to errors.
33973
33974 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
33975
33976         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
33977         used insn_type variable.
33978         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
33979         to avoid set-but-not-used warning.
33980
33981 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
33982
33983         * df-core.c (df_ref_debug): Change format string placeholder
33984         from 0x%x to %#x.
33985         * dwarf2asm.c (dw2_asm_output_data_raw,
33986         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
33987         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
33988         * dwarf2out.c (output_cfi, output_cfi_directive,
33989         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
33990         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
33991         Ditto.
33992         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
33993         * print-rtl.c (print_rtx): Ditto.
33994
33995 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
33996
33997         PR middle-end/42694
33998         * builtins.c (expand_builtin_pow_root): New function to expand pow
33999         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
34000         series of sqrt and cbrt calls under -ffast-math.
34001         (expand_builtin_pow): Call it.
34002
34003 2010-04-14  Michael Matz  <matz@suse.de>
34004
34005         PR tree-optimization/42963
34006         * tree-cfg.c (touched_switch_bbs): New static variable.
34007         (group_case_labels_stmt): New function broken out from ...
34008         (group_case_labels): ... here, use the above.
34009         (start_recording_case_labels): Allocate touched_switch_bbs.
34010         (end_recording_case_labels): Deallocate it, call
34011         group_case_labels_stmt.
34012         (gimple_redirect_edge_and_branch): Remember index of affected BB.
34013
34014 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
34015
34016         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
34017         from insn template.
34018
34019 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
34020
34021         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
34022
34023 2010-04-13  Jan Hubicka  <jh@suse.cz>
34024
34025         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
34026         of optimized out static functions.
34027         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
34028         cost computation.  Also sanity check for overflows.
34029         (update_caller_keys): Update cgraph_edge_badness call; properly
34030         update fibheap and sanity check that it is up to date.
34031         (add_new_edges_to_heap): Update cgraph_edge_badness.
34032         (cgraph_decide_inlining_of_small_function): Likewise;
34033         add sanity checking that badness in heap is up to date;
34034         improve dumping of reason; Update badness of calls to the
34035         offline copy of function currently inlined; dump badness
34036         of functions not inlined because of unit growth limits.
34037
34038 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
34039
34040         PR middle-end/32628
34041         * c-common.c (pointer_int_sum): Disregard overflow that occured only
34042         because of sign-extension change when converting to sizetype here...
34043         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
34044
34045         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
34046         the folding to constants.  Remove redundant final conversion.
34047         (fold_binary) <associate>: Do not associate if the re-association of
34048         constants alone overflows.
34049         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
34050         to the end of the list.
34051         (multiple_of_p) <COND_EXPR>: New case.
34052
34053 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
34054
34055         * opt-functions.awk (opt_sanitized_name): New.
34056         (opt_enum): New.
34057         * optc-gen.awk: Use it
34058         * opth-gen.awk: Use it.
34059
34060 2010-04-13  Martin Jambor  <mjambor@suse.cz>
34061
34062         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
34063         (sra_modify_assign): Delete stmts loading dead data even if racc has no
34064         children.  Call replace_uses_with_default_def_ssa_name to handle
34065         SSA_NAES on lhs.
34066
34067 2010-04-13  Michael Matz  <matz@suse.de>
34068
34069         PR middle-end/43730
34070         * builtins.c (expand_builtin_interclass_mathfn): Also create
34071         a register if the predicate doesn't match.
34072
34073 2010-04-13  Diego Novillo  <dnovillo@google.com>
34074
34075         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
34076         * c-pch.c: Include timevar.h.
34077         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
34078         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
34079         * ggc-common.c: Include timevar.h.
34080         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
34081         * timevar.def (TV_PCH_SAVE): Define.
34082         (TV_PCH_CPP_SAVE): Define.
34083         (TV_PCH_PTR_REALLOC): Define.
34084         (TV_PCH_PTR_SORT): Define.
34085         (TV_PCH_RESTORE): Define.
34086         (TV_PCH_CPP_RESTORE): Define.
34087
34088 2010-04-13  Michael Matz  <matz@suse.de>
34089
34090         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
34091         into MINUS_EXPRs.
34092         (can_reassociate_p): New function.
34093         (break_up_subtract_bb, reassociate_bb): Use it.
34094
34095 2010-04-13  Richard Guenther  <rguenther@suse.de>
34096
34097         PR bootstrap/43737
34098         * builtins.c (c_readstr): Fix assert.
34099
34100 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
34101
34102         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
34103         when generating cltd insn.
34104
34105         (*ashl<mode>3_1): Remove special handling for register operand 2.
34106         (*ashlsi3_1_zext): Ditto.
34107         (*ashlhi3_1): Ditto.
34108         (*ashlhi3_1_lea): Ditto.
34109         (*ashlqi3_1): Ditto.
34110         (*ashlqi3_1_lea): Ditto.
34111         (*<shiftrt_insn><mode>3_1): Ditto.
34112         (*<shiftrt_insn>si3_1_zext): Ditto.
34113         (*<shiftrt_insn>qi3_1_slp): Ditto.
34114         (*<rotate_insn><mode>3_1): Ditto.
34115         (*<rotate_insn>si3_1_zext): Ditto.
34116         (*<rotate_insn>qi3_1_slp): Ditto.
34117
34118 2010-04-13  Richard Guenther  <rguenther@suse.de>
34119
34120         * tree-ssa-structalias.c (callused_id): Remove.
34121         (call_stmt_vars): New.
34122         (get_call_vi): Likewise.
34123         (lookup_call_use_vi): Likewise.
34124         (lookup_call_clobber_vi): Likewise.
34125         (get_call_use_vi): Likewise.
34126         (get_call_clobber_vi): Likewise.
34127         (make_transitive_closure_constraints): Likewise.
34128         (handle_const_call): Adjust to do per-call call-used handling.
34129         (handle_pure_call): Likewise.
34130         (find_what_var_points_to): Remove general callused handling.
34131         (init_base_vars): Likewise.
34132         (init_alias_vars): Initialize call_stmt_vars.
34133         (compute_points_to_sets): Process call-used and call-clobbered
34134         vars for call statements.
34135         (delete_points_to_sets): Free call_stmt_vars.
34136
34137 2010-04-13  Richard Guenther  <rguenther@suse.de>
34138
34139         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
34140         Only add RW dependence for dependence distance zero.
34141         Adjust maximal vectorization factor according to dependences.
34142         Move alignment handling ...
34143         (vect_find_same_alignment_drs): ... here.  New function.
34144         (vect_analyze_data_ref_dependences): Adjust.
34145         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
34146         (vect_analyze_data_refs): Adjust minimal vectorization factor
34147         according to data references.
34148         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
34149         dependences before determining the vectorization factor.
34150         Analyze alignment after determining the vectorization factor.
34151         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
34152         dependences before alignment.
34153         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
34154         Adjust prototype.
34155         (vect_analyze_data_refs): Likewise.
34156         (MAX_VECTORIZATION_FACTOR): New define.
34157
34158 2010-04-13  Duncan Sands  <baldrick@free.fr>
34159
34160         * except.h (lang_eh_type_covers): Remove.
34161         * except.c (lang_eh_type_covers): Likewise.
34162
34163 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
34164             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
34165
34166         * config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
34167         * config/s390/s390.c: Replace UNTIS_PER_WORD with
34168         UNITS_PER_LONG where it is ABI relevant.
34169         (s390_return_addr_rtx): Likewise.
34170         (s390_back_chain_rtx): Likewise.
34171         (s390_frame_area): Likewise.
34172         (s390_frame_info): Likewise.
34173         (s390_initial_elimination_offset): Likewise.
34174         (save_gprs): Likewise.
34175         (s390_emit_prologue): Likewise.
34176         (s390_emit_epilogue): Likewise.
34177         (s390_function_arg_advance): Likewise.
34178         (s390_function_arg): Likewise.
34179         (s390_va_start): Likewise.
34180         (s390_gimplify_va_arg): Likewise.
34181         (s390_function_profiler): Likewise.
34182         (s390_optimize_prologue): Likewise.
34183         (s390_rtx_costs): Likewise.
34184         (s390_secondary_reload): Likewise.
34185         (s390_promote_function_mode): Likewise.
34186         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
34187         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
34188         registers available.
34189         (s390_unwind_word_mode): New function.
34190         (s390_function_value): Split 64 bit values into register pair if
34191         used as return value.
34192         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
34193         function call parameters.  Handle parallels.
34194         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
34195         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
34196         (DWARF_CIE_DATA_ALIGNMENT): New macro.
34197         (s390_expand_setmem): Remove unused variable src_addr.
34198         * longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
34199         deal with 64 bit registers.
34200         * config/s390/s390.h: Define __zarch__ predefined macro.
34201         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
34202         (UNITS_PER_LONG): New macro.
34203         * libjava/include/s390-signal.h: Define extended ucontext
34204         structure containing the upper halfs of the 64 bit registers.
34205
34206 2010-04-13  Simon Baldwin  <simonb@google.com>
34207
34208         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
34209
34210 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
34211
34212         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
34213         rvalue on the RHS if the LHS is of a non-renamable type.
34214         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
34215
34216 2010-04-13  Matthias Klose  <doko@ubuntu.com>
34217
34218         * gcc.c (cc1_options): Handle -iplugindir before processing
34219         the cc1 spec. Only add -iplugindir once.
34220         (cpp_unique_options): Add -iplugindir option if -fplugin* options
34221         found.
34222         * common.opt (iplugindir): Remove `Separate' property, initialize.
34223         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
34224         option.
34225         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
34226         (distclean): Remove plugin dir.
34227         * doc/invoke.texi: Document -iplugindir.
34228
34229 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
34230
34231         * doc/plugins.texi (Loading Plugins): Document short
34232         -fplugin=foo option.
34233         (Plugin API): Mention default_plugin_dir_name function.
34234
34235         * gcc.c (find_file_spec_function): Add new declaration.
34236         (static_spec_func): Use it for "find-file".
34237         (find_file_spec_function): Add new function.
34238         (cc1_options): Add -iplugindir option if -fplugin* options found.
34239
34240         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
34241
34242         * plugin.c (add_new_plugin): Updated comment, and handle short
34243         plugin name.
34244         (default_plugin_dir_name): Added new function.
34245
34246         * common.opt (iplugindir): New option to set the plugin directory.
34247
34248 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
34249
34250         * config/i386/i386.md (any_rotate): New code iterator.
34251         (rotate_insn): New code attribute.
34252         (rotate): Ditto.
34253         (SWIM124): New mode iterator.
34254         (<rotate_insn>ti3): New expander.
34255         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
34256         any_rotate code iterator.
34257         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
34258         using any_rotate code iterator and SWIM124 mode iterator.
34259         (ix86_rotlti3): New insn_and_split pattern.
34260         (ix86_rotrti3): Ditto.
34261         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
34262         ix86_rotl{di,ti}3 patterns.
34263         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
34264         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
34265         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
34266         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
34267         code iterator and SWI mode iterator.
34268         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
34269         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
34270         code iterator.
34271         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
34272         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
34273         (bswap rotatert splitter): Add splitter.
34274         (bswap splitter): Macroize splitter using any_rotate code iterator.
34275         Add insn predicate to split only for TARGET_USE_XCHGB or when
34276         optimizing function for size.
34277
34278 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
34279
34280         * config/pa/pa.c (emit_move_sequence): Remove use of
34281         deleted variable flag_argument_noalias.
34282
34283 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34284
34285         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
34286         configurations.
34287         Add to unsupported targets list.
34288         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
34289         sparc*-sun-solaris2.[567]* from target lists.
34290         * configure: Regenerate.
34291         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
34292         removal.
34293         Remove Solaris 7 patch references.
34294         (Specific, sparc-sun-solaris2.7): Removed.
34295         (sparc-sun-solaris2*): Update Solaris 7 example.
34296         (sparc64-*-solaris2*): Likewise.
34297
34298 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34299
34300         * config.build (alpha*-dec-osf4*): Remove.
34301         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
34302         of obsolete configurations.
34303         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
34304         support.
34305         * config/alpha/t-osf4: Renamed to ...
34306         * config/alpha/t-osf5: ... this.
34307         * config/alpha/osf.h: Renamed to ...
34308         * config/alpha/osf5.h: ... this.
34309         Merged old osf5.h contents.
34310         Update comments.
34311         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
34312         (EXTRA_SPECS): Removed.
34313         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
34314         reflect removal of Tru64 UNIX V4.0/V5.0 support.
34315         Document that.
34316
34317 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34318
34319         * doc/contrib.texi (Contributors, Rainer Orth): Update.
34320
34321 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
34322
34323         PR/43702
34324         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
34325         __thiscall convention.
34326
34327 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
34328
34329         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
34330         orig_base.
34331         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
34332
34333 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
34334
34335         * function.c (assign_parms_initialize_all): Add unused attribute
34336         to fntype.
34337
34338 2010-04-12  Richard Guenther  <rguenther@suse.de>
34339
34340         * gsstruct.def (GSS_CALL): New.
34341         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
34342         * gimple.h: Include tree-ssa-alias.h.
34343         (struct gimple_statement_call): New.
34344         (union gimple_statement_struct_d): Add gimple_call member.
34345         (gimple_call_reset_alias_info): Declare.
34346         (gimple_call_use_set): New function.
34347         (gimple_call_clobber_set): Likewise.
34348         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
34349         * gimple.c (gimple_call_reset_alias_info): New function.
34350         (gimple_build_call_1): Call it.
34351         * lto-streamer-in.c (input_gimple_stmt): Likewise.
34352         * tree-inline.c (remap_gimple_stmt): Likewise.
34353         (expand_call_inline): Remove callused handling.
34354         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
34355         * tree-dfa.c (dump_variable): Likewise.
34356         * tree-parloops.c (parallelize_loops): Likewise.
34357         * tree-ssa.c (init_tree_ssa): Likewise.
34358         (delete_tree_ssa): Likewise.
34359         * tree-flow-inline.h (is_call_used): Remove.
34360         * tree-flow.h (struct gimple_df): Remove callused member.
34361         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
34362         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
34363         (ref_maybe_used_by_call_p_1): Simplify.
34364         (call_may_clobber_ref_p_1): Likewise.
34365         * tree-ssa-structalias.c (compute_points_to_sets): Set
34366         the call stmt used and clobbered sets.
34367         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
34368         (find_tail_calls): Verify the tail call.
34369
34370 2010-04-12  Richard Guenther  <rguenther@suse.de>
34371
34372         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
34373         single-iteration always-inline inlining.
34374         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
34375         (cgraph_decide_inlining): Do not handle always-inline specially.
34376         (try_inline): Remove always-inline cycle detection special case.
34377         Do not recurse on always-inlines.
34378         (cgraph_early_inlining): Do not iterate if not optimizing.
34379         (cgraph_gate_early_inlining): remove.
34380         (pass_early_inline): Run unconditionally.
34381         (gate_cgraph_decide_inlining): New function.
34382         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
34383         not inlining or optimizing.
34384         (cgraph_decide_inlining_of_small_functions): Also consider
34385         always-inline functions.
34386         (cgraph_default_inline_p): Return true for nodes which should
34387         disregard inline limits.
34388         (estimate_function_body_sizes): Assume zero size and time for
34389         nodes which are marked as disregarding inline limits.
34390         (cgraph_decide_recursive_inlining): Do not perform recursive
34391         inlining on always-inline nodes.
34392
34393 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
34394
34395         PR bootstrap/43699
34396         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
34397         for exprs satisfying handled_component_p.
34398
34399 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
34400
34401         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
34402         non-constant aggregate elements.
34403
34404         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
34405         is a real initialization.
34406
34407 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
34408
34409         PR c/36774
34410         * c-decl.c (start_function): Move forward check for nested function.
34411
34412 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
34413
34414         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
34415         * config/sh/sh.c: Include reload.h.
34416         (sh_legitimize_reload_address): New.
34417         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
34418         sh_legitimize_reload_address.
34419
34420 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
34421
34422         * config/sh/sh.md (*movqi_pop): New insn pattern.
34423         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
34424
34425 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
34426
34427         * config/i386/i386.md (any_shiftrt): New code iterator.
34428         (shiftrt_insn): New code attribute.
34429         (shiftrt): Ditto.
34430         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
34431         using any_shiftrt code iterator.
34432         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
34433         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
34434         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
34435         pattern from corresponding peephole2 patterns.
34436         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
34437         using any_shiftrt code iterator.
34438         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
34439         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
34440         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
34441         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
34442         *{ashr,lshr}<mode>3_cmp_zext.
34443         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
34444
34445 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
34446
34447         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
34448         scratch register.
34449         (*lshr<mode>3_cconly): Ditto.
34450
34451 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
34452
34453         * config/i386/i386.md (lshr<mode>3): Macroize expander from
34454         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
34455         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
34456         pattern from *lshr{di,ti}3_1 and corresponding splitters using
34457         DWI mode iterator.
34458         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
34459         from corresponding peephole2 patterns.
34460         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
34461         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
34462         and *lshrdi3_1_rex64 using SWI mode iterator.
34463         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
34464         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
34465         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
34466         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
34467         and *lshrdi3_cmp_rex64 using SWI mode iterator.
34468         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
34469         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
34470         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
34471         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
34472         SWI mode iterator.
34473
34474 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
34475
34476         * config/i386/i386.md (ashr<mode>3): Macroize expander from
34477         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
34478         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
34479         pattern from *ashr{di,ti}3_1 and corresponding splitters using
34480         DWI mode iterator.
34481         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
34482         from corresponding peephole2 patterns.
34483         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
34484         (ashrsi3_cvt): Rename from ashrsi3_31.
34485         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
34486         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
34487         and x86_64_shift_adj_3 using SWI48 mode iterator.
34488         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
34489         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
34490         and *ashrdi3_1_rex64 using SWI mode iterator.
34491         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
34492         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
34493         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
34494         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
34495         and *ashrdi3_cmp_rex64 using SWI mode iterator.
34496         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
34497         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
34498         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
34499         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
34500         SWI mode iterator.
34501         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
34502         * config/i386/i386.c (ix86_split_ashr): Update for renamed
34503         x86_shift<mode>_adj_3 expanders.
34504
34505 2010-04-10  Wei Guozhi  <carrot@google.com>
34506
34507         PR target/42601
34508         * config/arm/arm.c (arm_pic_static_addr): New function.
34509         (legitimize_pic_address): Call arm_pic_static_addr when it detects
34510         a static symbol.
34511         (arm_output_addr_const_extra): Output expression for new pattern.
34512         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
34513
34514 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
34515
34516         * ira-costs.c (record_reg_classes): Ignore alternatives that are
34517         not enabled.
34518
34519         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
34520         * web.c: Include "insn-config.h" and "recog.h".
34521         (union_match_dups): New function.
34522         (web_main): Call it.
34523         (union_defs): Don't try to recognize match_dups.
34524
34525         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
34526         if doing so would replace the entire pattern.
34527
34528 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
34529
34530         PR target/43707
34531         PR target/43709
34532         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
34533         and splitter pattern.  Change splitter operand 1 predicate to
34534         nonmemory_operand.
34535
34536 2010-04-09  Martin Jambor  <mjambor@suse.cz>
34537
34538         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
34539         lattices are addresses of CONST_DECLs with the same initial value.
34540         (ipcp_print_all_lattices): Print values of CONST_DECLs.
34541         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
34542
34543 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
34544             Bernd Schmidt  <bernds@codesourcery.com>
34545
34546         * loop-invariant.c (replace_uses): New static function.
34547         (move_invariant_reg): Use it to ensure we can replace the uses.
34548
34549 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
34550
34551         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
34552         function template.
34553         (picochip_override_options): Enable section anchors only above -O1.
34554         (picochip_reorg): Fixed a couple of build warnings.
34555
34556 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34557
34558         * configure.ac (plugin -rdynamic test): Log result.
34559         * configure: Regenerate.
34560         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
34561         (RDYNAMIC_SPEC): Define.
34562         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
34563
34564 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34565
34566         * configure.ac: Determine Sun ld version numbers.
34567         (comdat_group): Restrict GNU ld version checks to gld.
34568         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
34569         (enable_comdat): Support --enable-comdat.
34570         * configure: Regenerate.
34571         * doc/install.texi (Configuration): Document --enable-comdat.
34572
34573 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34574
34575         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
34576         * config/sol2-gld.h: ... here.
34577         * config.gcc (sparc*-*-solaris2*): Reflect this.
34578         (i[34567]86-*-solaris2*): Use it.
34579
34580 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
34581
34582         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
34583         setup_clocks_p.
34584         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
34585
34586 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
34587
34588         PR 42965
34589         * diagnostic.c (diagnostic_initialize): Initialize
34590         some_warnings_are_errors.
34591         (diagnostic_finish): New.
34592         (diagnostic_action_after_output): Call it before exiting.
34593         (diagnostic_report_diagnostic): Do not print message here. Set
34594         some_warnings_are_errors.
34595         * diagnostic.h (diagnostic_context): Delete
34596         issue_warnings_are_errors_message. Add some_warnings_are_errors.
34597         (diagnostic_finish): Declare.
34598         * toplev.c (toplev_main): Call it before exit.
34599
34600 2010-04-09  Jason Merrill  <jason@redhat.com>
34601
34602         PR c++/42623
34603         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
34604         for incomplete type.
34605
34606         PR c++/41788
34607         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
34608         based on a warning flag.
34609
34610 2010-04-09  Richard Guenther  <rguenther@suse.de>
34611
34612         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
34613
34614 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
34615
34616         PR bootstrap/43684
34617         * varasm.c (default_assemble_visibility): Wrap vars that are
34618         set, but unused, by targets without GAS.
34619         * config/rs6000/rs6000.c (paired_emit_vector_compare):
34620         Remove set, but unused, vars.
34621         (rs6000_legitimize_tls_address): Likewise.
34622         (altivec_expand_dst_builtin): Likewise.
34623         * config/darwin.c (machopic_classify_symbol): Likewise.
34624         (machopic_indirection_name): Likewise.
34625
34626 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
34627
34628         * config/i386/i386.md (DWI): New mode iterator.
34629         (S): New mode attribute.
34630         (shift_operand): Ditto.
34631         (shift_immediate_operand): Ditto.
34632         (ashl_input_operand): Ditto.
34633         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
34634         using SDWIM mode iterator.
34635         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
34636         pattern from *ashl{di,ti}3_1 and corresponding splitters using
34637         DWI mode iterator.
34638         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
34639         from corresponding peephole2 patterns.
34640         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
34641         and x86_64_shift_adj_1 using SWI48 mode iterator.
34642         (x86_shift<mode>_adj_2): Ditto.
34643         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
34644         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
34645         using SWI48 mode iterator.
34646         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
34647         *ashldi3_cmp_rex64 using SWI mode iterator.
34648         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
34649         *ashldi3_cconly_rex64 using SWI mode iterator.
34650         * config/i386/i386.c (ix86_split_ashl): Update for renamed
34651         x86_shift<mode>_adj_{1,2}.
34652         (ix86_split_ashr): Ditto.
34653         (ix86_split_lshr): Ditto.
34654
34655 2010-04-09  Richard Guenther  <rguenther@suse.de>
34656
34657         * target.h (builtin_conversion): Pass in input and output types.
34658         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
34659         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
34660         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
34661         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
34662
34663         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
34664         Handle AVX modes.
34665         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
34666
34667 2010-04-09  Richard Guenther  <rguenther@suse.de>
34668
34669         PR target/43152
34670         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
34671
34672 2010-04-09  Richard Guenther  <rguenther@suse.de>
34673
34674         * tree-vectorizer.h (struct _stmt_vec_info): Document
34675         that vectype is the type of the LHS.
34676         (supportable_widening_operation, supportable_narrowing_operation):
34677         Get both input and output vector types as arguments.
34678         (vect_is_simple_use_1): Declare.
34679         (get_same_sized_vectype): Likewise.
34680         * tree-vect-loop.c (vect_determine_vectorization_factor):
34681         Set STMT_VINFO_VECTYPE to the vector type of the def.
34682         (vectorizable_reduction): Adjust.
34683         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
34684         Adjust.  Specify the output vector type.
34685         (vect_pattern_recog_1): Adjust.
34686         * tree-vect-stmts.c (get_same_sized_vectype): New function.
34687         (vectorizable_call): Adjust.
34688         (vectorizable_conversion): Likewise.
34689         (vectorizable_operation): Likewise.
34690         (vectorizable_type_demotion): Likewise.
34691         (vectorizable_type_promotion): Likewise.
34692         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
34693         the def.
34694         (vect_is_simple_use_1): New function.
34695         (supportable_widening_operation): Get both input and output
34696         vector types.
34697         (supportable_narrowing_operation): Likewise.
34698         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
34699
34700 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
34701
34702         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
34703         __thiscall and _thiscall as predefined macros.
34704         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
34705         thiscall attribute handling.
34706         (ix86_comp_type_attributes): Likewise.
34707         (ix86_function_regparm): Likewise.
34708         (ix86_return_pops_args): Likewise.
34709         (init_cumulative_args): Likewise.
34710         (find_drap_reg): Likewise.
34711         (ix86_static_chain): Likewise.
34712         (x86_this_parameter): Likewise.
34713         (x86_output_mi_thunk): Likewise.
34714         (ix86_attribute_table): Add description for thiscall attribute.
34715         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
34716         * doc/extend.texi: Add documentation for thiscall.
34717
34718 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
34719
34720         PR c++/28584
34721         * c.opt (Wint-to-pointer-cast): Available in C++.
34722         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
34723
34724 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
34725
34726         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
34727         * calls.c (expand_call): Pass the function type to aggregate_value_p.
34728         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
34729         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
34730         function type instead.  Reorder and simplify checks.
34731
34732         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
34733
34734 2010-04-08  Jing Yu  <jingyu@google.com>
34735             Zdenek Dvorak  <ook@ucw.cz>
34736
34737         PR tree-optimization/42720
34738         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
34739         loop unswitch conditions here from ...
34740         (tree_unswitch_single_loop): ... here.
34741
34742 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
34743
34744         * tree-if-conv.c: Fix comments and simplify logic.
34745
34746 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
34747
34748         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
34749         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
34750         (main_tree_if_conversion): Update call to tree_if_conversion.
34751
34752 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
34753
34754         PR 42485
34755         * doc/invoke.texi (-b,-V): Delete.
34756         * doc/tm.texi: Do not mention -b.
34757         * gcc.c (display_help): Delete -b and -V.
34758         (process_command): Delete -b and -V.
34759         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
34760
34761 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
34762             Wolfgang Gellerich  <gellerich@de.ibm.com>
34763
34764         Implement target hook for loop unrolling
34765         * target.h (loop_unroll_adjust): Add a new target hook function.
34766         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
34767         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
34768         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
34769         (s390_loop_unroll_adjust): Implement the new target hook for s390.
34770         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
34771         target hook.
34772         (decide_unroll_stupid): Likewise.
34773
34774 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34775
34776         PR target/43643
34777         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
34778
34779 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34780
34781         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
34782         (Specific, *-*-solaris2*): Likewise.
34783         Don't prefer Sun as over GNU as.
34784
34785 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
34786
34787         * config/s390/s390.c (override_options): Adjust the z10 defaults
34788         for max-unroll-times, max-completely-peeled-insns
34789         and max-completely-peel-times.
34790
34791 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
34792
34793         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
34794         instructions for z10.
34795         (s390_expand_setmem): Likewise.
34796         (s390_expand_cmpmem): Likewise.
34797
34798 2010-04-08  Richard Guenther  <rguenther@suse.de>
34799
34800         PR tree-optimization/43679
34801         * tree-ssa-pre.c (eliminate): Only propagate copies.
34802
34803 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
34804
34805         PR bootstrap/43681
34806         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
34807         set but not used variable warning.
34808
34809 2010-04-08  Wei Guozhi  <carrot@google.com>
34810
34811         PR target/41653
34812         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
34813         (arm_size_rtx_costs): Call the new function when optimized for size.
34814
34815 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
34816
34817         PR debug/43670
34818         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
34819         op0 is not a MEM, just return NULL instead of assertion
34820         failure.
34821         (discover_nonconstant_array_refs): Don't walk debug stmts.
34822
34823 2010-04-08  Doug Kwan  <dougkwan@google.com>
34824
34825         * configure.ac: Recognize gold and do not use its version number
34826         to test ld features.
34827         * configure: Regenerate.
34828
34829 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
34830
34831         PR middle-end/40815
34832         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
34833         (negate_value): Move code to push elements to broken_up_substracts ...
34834         (eliminate_plus_minus_pair): ... here.  Push operands that have no
34835         negative pair to plus_negates.
34836         (repropagate_negates, init_reassoc, fini_reassoc): Update.
34837
34838 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
34839
34840         * doc/install.texi (Configuration): Move description of
34841         --enable-lto, --with-libelf*, --enable-gold from Java section to
34842         general section.
34843
34844         * doc/generic.texi (Working with declarations)
34845         (Function Properties, C and C++ Trees): Fix typos.
34846         * doc/sourcebuild.texi (Top Level): Likewise.
34847
34848 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
34849
34850         PR c/18624
34851         * tree.h (DECL_READ_P): Define.
34852         (struct tree_decl_common): Add decl_read_flag.
34853         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
34854         a set but not used warning.
34855         (merge_decls): Merge DECL_READ_P flag.
34856         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
34857         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
34858         * c-common.c (handle_used_attribute, handle_unused_attribute):
34859         Likewise.
34860         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
34861         New prototypes.
34862         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
34863         New functions.
34864         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
34865         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
34866         c_parser_binary_expression, c_parser_cast_expression,
34867         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
34868         Call default_function_array_read_conversion instead of
34869         default_function_array_conversion where needed.
34870         (c_parser_unary_expression, c_parser_conditional_expression,
34871         c_parser_postfix_expression_after_primary, c_parser_initelt):
34872         Likewise.  Call mark_exp_read where needed.
34873         (c_parser_statement_after_labels, c_parser_asm_operands,
34874         c_parser_typeof_specifier, c_parser_sizeof_expression,
34875         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
34876         where needed.
34877         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
34878         New.
34879         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
34880         (warn_unused_but_set_parameter): Default to warn_unused
34881         && extra_warnings.
34882         * doc/invoke.texi: Document -Wunused-but-set-variable and
34883         -Wunused-but-set-parameter.
34884
34885         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
34886         used count variable.
34887         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
34888         when operandN variables aren't used in the body of the expander
34889         or splitter.
34890         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
34891         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
34892         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
34893         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
34894         FOR_EACH_IMM_USE_ON_STMT): Likewise.
34895         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
34896         * tree.c (PROCESS_ARG): Likewise.
34897
34898 2010-04-07  Simon Baldwin  <simonb@google.com>
34899
34900         * diagnostic.h (diagnostic_override_option_index): New macro to
34901         set a diagnostic's option_index.
34902         * c-tree.h (c_cpp_error): Add warning reason argument.
34903         * opts.c (_warning_as_error_callback): New.
34904         (register_warning_as_error_callback): Store callback for
34905         warnings enabled via enable_warning_as_error.
34906         (enable_warning_as_error): Call callback, minor code tidy.
34907         * opts.h (register_warning_as_error_callback): Declare.
34908         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
34909         response to -Werror=.
34910         (c_common_init_options): Register warning_as_error_callback in opts.c.
34911         * common.opt: Add -Wno-cpp option.
34912         * c-common.c (struct reason_option_codes_t): Map cpp warning
34913         reason codes to gcc option indexes.
34914         * (c_option_controlling_cpp_error): New function, lookup the gcc
34915         option index for a cpp warning reason code.
34916         * (c_cpp_error): Add warning reason argument, call
34917         c_option_controlling_cpp_error for diagnostic_override_option_index.
34918         * doc/invoke.texi: Document -Wno-cpp.
34919
34920 2010-04-07  Richard Guenther  <rguenther@suse.de>
34921
34922         * ipa-reference.c (mark_load): Use get_base_address.
34923         (mark_store): Likewise.
34924
34925         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
34926         inserting GIMPLE_NOPs into the IL.
34927         * tree-ssa-structalias.c (get_constraint_for_component_ref):
34928         Explicitly strip handled components and indirect references.
34929
34930         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
34931         folding address expressions.
34932         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
34933         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
34934         operand_equal_p to compare decls.
34935         (ptr_deref_may_alias_decl_p): Likewise.
34936         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
34937         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
34938         Handle reversed comparison ops.
34939         * tree-sra.c (asm_visit_addr): Use get_base_address.
34940         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
34941         * ipa-reference.c (mark_address): Use get_base_address.
34942
34943 2010-04-07  Richard Guenther  <rguenther@suse.de>
34944
34945         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
34946         Propagate constants everywhere.
34947
34948 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
34949
34950         PR debug/43516
34951         * tree.c (MAX_INT_CACHED_PREC): Define.
34952         (nonstandard_integer_type_cache): New array.
34953         (build_nonstandard_integer_type): Cache results for precision
34954         <= MAX_INT_CACHED_PREC.
34955
34956 2010-04-07  Richard Guenther  <rguenther@suse.de>
34957
34958         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
34959         -fargument-noalias-global, -fargument-noalias-anything): Remove.
34960         * common.opt: Likewise.
34961         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
34962         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
34963         (nonoverlapping_memrefs_p): Likewise.
34964         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
34965         * opts.c (common_handle_option): Handle OPT_fargument_alias,
34966         OPT_fargument_noalias, OPT_fargument_noalias_anything and
34967         OPT_fargument_noalias_global for backward compatibility.
34968
34969 2010-04-07  Richard Guenther  <rguenther@suse.de>
34970
34971         PR tree-optimization/43270
34972         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
34973         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
34974         * tree-ssa-pre.c (phi_translate_1): Adjust.
34975         (fully_constant_expression): Split out vn_reference handling to ...
34976         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
34977         Fold reads from constant strings.
34978         (vn_reference_lookup): Handle fully constant references.
34979         (vn_reference_lookup_pieces): Likewise.
34980         * Makefile.in (expmed.o-warn): Add -Wno-error.
34981
34982 2010-04-07  Martin Jambor  <mjambor@suse.cz>
34983
34984         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
34985
34986 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
34987
34988         PR driver/41594
34989         * gcc.c: Add -static-libstdc++ to list of recognized options.
34990
34991 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
34992
34993         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
34994
34995 2010-04-07  Richard Guenther  <rguenther@suse.de>
34996
34997         PR middle-end/42617
34998         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
34999         bases build simple mem attributes to retain points-to information.
35000
35001 2010-04-07  Richard Guenther  <rguenther@suse.de>
35002
35003         PR middle-end/42617
35004         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
35005         preserve points-to related information.
35006
35007 2010-04-07  Richard Guenther  <rguenther@suse.de>
35008
35009         PR middle-end/42617
35010         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
35011         discard plain indirect references.
35012         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
35013         * tree.c (tree_nop_conversion): Likewise.
35014
35015 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
35016
35017         PR debug/43628
35018         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
35019
35020 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
35021
35022         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
35023         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
35024
35025 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
35026
35027         * tree-if-conv.c: Fix indentation and comments.
35028
35029 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
35030
35031         * tree-if-conv.c: Sort static functions in topological order.
35032
35033 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
35034
35035         * tree-if-conv.c: Fix indentation and comments.
35036
35037 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
35038
35039         PR middle-end/43519
35040         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
35041         lang_hooks.types.type_for_size instead of
35042         build_nonstandard_integer_type.
35043         When converting an unsigned type to signed, double its precision.
35044         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
35045         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
35046         (graphite_create_new_loop_guard): When ub + 1 wraps around,
35047         use lb <= ub.
35048
35049 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
35050
35051         PR middle-end/43519
35052         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
35053         POINTER_PLUS_EXPR for pointer types.
35054
35055 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
35056
35057         PR middle-end/43519
35058         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
35059         * graphite-clast-to-gimple.c: Include langhooks.h.
35060         (max_signed_precision_type): New.
35061         (max_precision_type): Takes two types as arguments.
35062         (precision_for_value): New.
35063         (precision_for_interval): New.
35064         (gcc_type_for_interval): New.
35065         (gcc_type_for_value): New.
35066         (gcc_type_for_clast_term): New.
35067         (gcc_type_for_clast_red): New.
35068         (gcc_type_for_clast_bin): New.
35069         (gcc_type_for_clast_expr): Split up into several functions.
35070         (gcc_type_for_clast_eq): Rewritten.
35071         (compute_bounds_for_level): New.
35072         (compute_type_for_level_1): New.
35073         (compute_type_for_level): New.
35074         (gcc_type_for_cloog_iv): Removed.
35075         (gcc_type_for_iv_of_clast_loop): Rewritten.
35076         (graphite_create_new_loop): Compute the lower and upper bound types
35077         with gcc_type_for_clast_expr.
35078         (graphite_create_new_loop_guard): Same.
35079         (find_cloog_iv_in_expr): Removed.
35080         (compute_cloog_iv_types_1): Removed.
35081         (compute_cloog_iv_types): Removed.
35082         (gloog): Do not call compute_cloog_iv_types.
35083         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
35084         GBB_CLOOG_IV_TYPES.
35085         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
35086         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
35087         (GBB_CLOOG_IV_TYPES): Removed.
35088
35089 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
35090
35091         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
35092         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
35093         (detect_commutative_reduction): Same.
35094
35095 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
35096
35097         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
35098         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
35099         argument.
35100         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
35101         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
35102         (rewrite_commutative_reductions_out_of_ssa): Same.
35103         * passes.c (execute_function_todo): Call verify_ssa for every pass
35104         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
35105         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
35106         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
35107         with an extra argument.
35108         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
35109         verify_ssa only when the extra argument is true.
35110         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
35111         with an extra argument.
35112         (tree_transform_and_unroll_loop): Same.
35113
35114 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
35115
35116         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
35117         for all the passes of the LNO having LOOP_CLOSED_SSA.
35118         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
35119         * tree-loop-distribution.c (pass_loop_distribution): Same.
35120         * tree-pass.h (TODO_verify_loops): Removed.
35121         * tree-ssa-loop.c (pass_tree_loop_init): Same.
35122         (pass_lim): Same.
35123         (pass_tree_unswitch): Same.
35124         (pass_predcom): Same.
35125         (pass_vectorize): Same.
35126         (pass_linear_transform): Same.
35127         (pass_graphite_transforms): Same.
35128         (pass_iv_canon): Same.
35129         (pass_complete_unroll): Same.
35130         (pass_complete_unrolli): Same.
35131         (pass_parallelize_loops): Same.
35132         (pass_loop_prefetch): Same.
35133         (pass_iv_optimize): Same.
35134
35135 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
35136
35137         PR middle-end/32824
35138         * passes.c (init_optimization_passes): Move pass_lim before
35139         pass_copy_prop and pass_dce_loop.
35140
35141 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
35142
35143         PR target/43667
35144         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
35145         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
35146         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
35147         MULTI_* defines for 4 argument vpermil2p* builtins.
35148
35149 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
35150
35151         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
35152         * config/i386/i386.c (x86_maybe_negate_const_int): New.
35153         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
35154         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
35155         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
35156         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
35157         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
35158         Use x86_maybe_negate_const_int to output insn mnemonic.
35159         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
35160         check from instruction predicate.  Update comments.
35161         * config/i386/sync.md (sync_add<mode>): Use
35162         x86_maybe_negate_const_int to output insn mnemonic.
35163
35164 2010-04-06  Jan Hubicka  <jh@suse.cz>
35165
35166         PR tree-optimization/42906
35167         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
35168         IGNORE_SELF argument.  Set visited_control_parents for fully
35169         processed BBs.
35170         (find_obviously_necessary_stmts): Update call of
35171         mark_control_dependent_edges_necessary.
35172         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
35173
35174 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
35175
35176         * config/i386/i386.md: Remove comment about 'e' and 'E'
35177         operand modifier.
35178
35179 2010-04-06  Richard Guenther  <rguenther@suse.de>
35180
35181         PR tree-optimization/43627
35182         * tree-vrp.c (extract_range_from_unary_expr): Widenings
35183         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
35184         not varying.
35185
35186 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
35187
35188         * BASE-VER: Change to 4.6.0.
35189
35190         PR target/43638
35191         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
35192         handling.
35193
35194 2010-04-06  Richard Guenther  <rguenther@suse.de>
35195
35196         PR middle-end/43661
35197         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
35198
35199 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
35200
35201         * doc/invoke.texi (Optimize Options): Document that LTO
35202         won't remove object access purely due to incompatible
35203         declarations.
35204
35205 2010-04-04  Matthias Klose  <doko@ubuntu.com>
35206
35207         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
35208         Initialize variable.
35209
35210 2010-04-03  Richard Guenther  <rguenther@suse.de>
35211
35212         PR middle-end/42509
35213         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
35214         require a non-NULL MEM_OFFSET.
35215
35216 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
35217
35218         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
35219         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
35220         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
35221         config/alpha/predicates.md, config/arm/arm.md,
35222         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
35223         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
35224         config/darwin9.h, config/darwin.c, config/darwin.h,
35225         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
35226         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
35227         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
35228         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
35229         config/mips/mips.md, config/mn10300/mn10300.c,
35230         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
35231         config/rs6000/aix.h, config/rs6000/dfp.md,
35232         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
35233         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
35234         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
35235         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
35236         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
35237         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
35238         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
35239         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
35240         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
35241         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
35242         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
35243         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
35244         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
35245         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
35246         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
35247         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
35248         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
35249         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
35250         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
35251         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
35252         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
35253         opt-functions.awk, opth-gen.awk, params.def, passes.c,
35254         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
35255         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
35256         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
35257         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
35258         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
35259         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
35260         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
35261         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
35262         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
35263         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
35264         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
35265         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
35266         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
35267         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
35268
35269 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
35270
35271         PR other/43620
35272         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
35273         * aclocal.m4: Regenerate.
35274
35275 2010-04-02  Richard Guenther  <rguenther@suse.de>
35276
35277         PR tree-optimization/43629
35278         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
35279         if we have seen a constant value.
35280
35281 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
35282
35283         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
35284
35285 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
35286
35287         PR target/43469
35288         * arm.c (legitimize_tls_address): Adjust call to
35289         gen_tls_load_dot_plus_four.
35290         (arm_note_pic_base): New function.
35291         (arm_cannot_copy_insn_p): Use it.
35292         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
35293         constraint.
35294
35295 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
35296
35297         PR bootstrap/43531
35298
35299         Revert:
35300         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
35301
35302         * Makefile.in ($(out_object_file)): Depend on
35303         gt-$(basename $(notdir $(out_file))).h.
35304
35305 2010-04-01  Ralf Corsépius  <ralf.corsepius@rtems.org>
35306
35307         * config.gcc (lm32-*-rtems*): Add t-lm32.
35308
35309 2010-04-01  Joel Sherrill  <joel.sherrill@oarcorp.com>
35310
35311         * config.gcc: Add lm32-*-rtems*.
35312         * config/lm32/rtems.h: New file.
35313
35314 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
35315
35316         PR target/42609
35317         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
35318
35319 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
35320
35321         * dwarf2out.c (output_compilation_unit_header): For
35322         -gdwarf-4 use version 4 instead of version 3.
35323         (output_line_info): For version 4 and above emit additional
35324         maximum ops per insn header field.
35325         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
35326
35327         * dwarf2out.c (is_c_family, is_java): Remove.
35328         (lower_bound_default): New function.
35329         (add_bound_info, gen_descr_array_type_die): Use it.
35330
35331 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
35332
35333         PR debug/43325
35334         * dwarf2out.c (gen_variable_die): Allow debug info for variable
35335         re-declaration when it happens in a function.
35336
35337 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
35338
35339         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
35340         (cgraph_remove_function_insertion_hook): Same.
35341         (cgraph_call_function_insertion_hooks): Same.
35342
35343 2010-04-01  Richard Guenther  <rguenther@suse.de>
35344
35345         PR middle-end/43614
35346         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
35347         and TREE_THIS_VOLATILE.
35348         (copy_ref_info): Likewise.
35349         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
35350         * tree.c (build6_stat): Ignore side-effects of all but arg5
35351         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
35352         TARGET_MEM_REF.
35353
35354 2010-04-01  Richard Guenther  <rguenther@suse.de>
35355
35356         PR tree-optimization/43607
35357         * ipa-type-escape.c (check_call): Do not access non-existing
35358         arguments.
35359
35360 2010-04-01  Richard Guenther  <rguenther@suse.de>
35361
35362         PR middle-end/43602
35363         Revert
35364         2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
35365                     Jack Howarth  <howarth@bromo.med.uc.edu>
35366
35367         * tree-profile.c (tree_init_ic_make_global_vars): Make static
35368         variables TLS.
35369
35370 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35371
35372         * doc/install.texi (Prerequisites): Document libelf usability on
35373         IRIX 5/6 and Solaris 2.
35374         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
35375         Update GNU as, GNU ld requirements.
35376         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
35377         Document Sun Studio compiler download.
35378         Update and simplify as, ld recommendations.
35379         (Specific, *-*-solaris2.7): Note obsoletion, removal.
35380
35381 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35382
35383         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
35384         with_tune_32 to pentium4.
35385
35386 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
35387
35388         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
35389
35390 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35391
35392         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
35393         obsoletion, removal.
35394         Update IDO URL.
35395         Document GNU as requirement.
35396         Update configure requirements.
35397         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
35398         Recomment IRIX 6.5.18+.
35399         Document IDF/IDL requirement.
35400         Document GNU as requirement.
35401         Document GNU ld bootstrap failure.
35402         Remove freeware.sgi.com reference.
35403
35404 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35405
35406         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
35407         UNIX V4.0, V5.0 obsoletion, removal.
35408         Remove --with-gc=simple reference.
35409         Update VM requirements during bootstrap.
35410         Remove -oldas bootstrap description.
35411         Update binutils reference.
35412         Remove comparison failure note.
35413
35414 2010-03-31  Richard Guenther  <rguenther@suse.de>
35415             Zdenek Dvorak  <ook@ucw.cz>
35416             Sebastian Pop  <sebastian.pop@amd.com>
35417
35418         PR middle-end/43464
35419         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
35420         with multiple arguments.
35421         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
35422
35423 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
35424
35425         * graphite-dependences.c (print_pddr): Call print_pdr with an
35426         extra argument.
35427         * graphite-poly.c (debug_pdr): Add an extra argument for the
35428         verbosity level.
35429         (print_pdr): Same.
35430         (print_pbb_domain): Same.
35431         (print_pbb): Same.
35432         (print_scop_context): Same.
35433         (print_scop): Same.
35434         (print_cloog): Same.
35435         (debug_pbb_domain): Same.
35436         (debug_pbb): Same.
35437         (print_pdrs): Same.
35438         (debug_pdrs): Same.
35439         (debug_scop_context): Same.
35440         (debug_scop): Same.
35441         (debug_cloog): Same.
35442         (print_scop_params): Same.
35443         (debug_scop_params): Same.
35444         (print_iteration_domain): Same.
35445         (print_iteration_domains): Same.
35446         (debug_iteration_domain): Same.
35447         (debug_iteration_domains): Same.
35448         (print_scattering_function): Same.
35449         (print_scattering_functions): Same.
35450         (debug_scattering_function): Same.
35451         (debug_scattering_functions): Same.
35452         * graphite-poly.h (debug_pdr): Update declaration.
35453         (print_pdr): Same.
35454         (print_pbb_domain): Same.
35455         (print_pbb): Same.
35456         (print_scop_context): Same.
35457         (print_scop): Same.
35458         (print_cloog): Same.
35459         (debug_pbb_domain): Same.
35460         (debug_pbb): Same.
35461         (print_pdrs): Same.
35462         (debug_pdrs): Same.
35463         (debug_scop_context): Same.
35464         (debug_scop): Same.
35465         (debug_cloog): Same.
35466         (print_scop_params): Same.
35467         (debug_scop_params): Same.
35468         (print_iteration_domain): Same.
35469         (print_iteration_domains): Same.
35470         (debug_iteration_domain): Same.
35471         (debug_iteration_domains): Same.
35472         (print_scattering_function): Same.
35473         (print_scattering_functions): Same.
35474         (debug_scattering_function): Same.
35475         (debug_scattering_functions): Same.
35476
35477 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
35478
35479         * graphite-poly.c (print_scattering_function_1): New.
35480         (print_scattering_function): Call it.
35481         (print_scop_params): Remove spaces at the end of lines.
35482         (print_cloog): New.
35483         (debug_cloog): New.
35484         * graphite-poly.h (print_cloog): Declared.
35485         (debug_cloog): Declared.
35486
35487 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
35488
35489         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
35490         in loop->header.
35491         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
35492         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
35493         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
35494         to switch between adding the IV bump in loop->latch or in loop->header.
35495
35496 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
35497
35498         * graphite-poly.c (print_scattering_function): Pretty print following
35499         the scoplib format.
35500         (print_pdr): Same.
35501         (print_pbb_domain): Same.
35502         (dump_gbb_cases): Same.
35503         (dump_gbb_conditions): Same.
35504         (print_pdrs): Same.
35505         (print_pbb): Same.
35506         (print_scop_params): Same.
35507         (print_scop_context): Same.
35508         (print_scop): Same.
35509         (print_pbb_body): New.
35510         (lst_indent_to): New.
35511         (print_lst): Start new lines with a #.
35512         * graphite-poly.h (pbb_bb): New.
35513         (pbb_index): Use pbb_bb.
35514         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
35515         disjuncts.
35516         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
35517
35518 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
35519
35520         * dwarf2out.c (size_of_die): For -gdwarf-4 use
35521         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
35522         and 0 instead of 1 for dw_val_class_flag.
35523         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
35524         dw_val_class_range_list, dw_val_class_loc_list,
35525         dw_val_class_lineptr and dw_val_class_macptr, use
35526         DW_FORM_flag_present for dw_val_class_flag and
35527         DW_FORM_exprloc for dw_val_class_loc.
35528         (output_die): For -gdwarf-4 print dw_val_class_loc
35529         size as uleb128 instead of 1 or 2 bytes and don't print
35530         anything for dw_val_class_flag.
35531
35532         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
35533         instead of cselib_lookup following by tweaking locs->setting_insn.
35534
35535         PR bootstrap/43596
35536         * cselib.c (cselib_process_insn): Clear cselib_current_insn
35537         even before returning from label, setjmp call or volatile asm
35538         handling.
35539
35540 2010-03-31  Richard Guenther  <rguenther@suse.de>
35541
35542         PR middle-end/43600
35543         * cgraphunit.c (cgraph_output_in_order): Do not allocate
35544         temporary data on stack.
35545
35546 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35547
35548         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
35549         (PUSHSECTION_ASM_OP): Remove.
35550         (POPSECTION_ASM_OP): Remove.
35551         (PUSHSECTION_FORMAT): Remove.
35552         * config/sol2.h (PUSHSECTION_FORMAT): Define.
35553         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
35554         * config/sol2.c (solaris_output_init_fini): Use it.
35555
35556 2010-03-31  Jie Zhang  <jie@codesourcery.com>
35557
35558         PR 43574
35559         * opt-functions.awk (var_type_struct): Use signed char type
35560         for simple variables.
35561
35562 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35563
35564         * config/sol2.c: Include output.h.
35565         (solaris_assemble_visibility): New function.
35566         * config/t-sol2 (sol2.o): Add output.h dependency.
35567         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
35568         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
35569         Redefine.
35570
35571 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
35572
35573         PR target/43580
35574         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
35575         V2SImode or XFmode on PRE_DEC.
35576
35577         PR debug/43557
35578         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
35579         BLKmode.
35580
35581 2010-03-31  Jie Zhang  <jie@codesourcery.com>
35582
35583         PR 43562
35584         * reload.h (caller_save_initialized_p): Declare.
35585         * toplev.c (backend_init_target): Don't call
35586         init_caller_save but set caller_save_initialized_p to false.
35587         * caller-save.c (caller_save_initialized_p): Define.
35588         (init_caller_save): Check caller_save_initialized_p.
35589         * ira.c (ira): Call init_caller_save if flag_caller_saves.
35590
35591 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35592
35593         PR target/39048
35594         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
35595         and soft-fp/t-softfp to tmake_file.
35596         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
35597         (LIBGCC2_TF_CEXT): Define.
35598         (TF_SIZE): Define.
35599
35600 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
35601
35602         PR debug/42977
35603         * cselib.c (n_useless_values): Document handling of debug locs.
35604         (n_useless_debug_values, n_debug_values): New variables.
35605         (new_elt_loc_list): Don't add to debug values, keep count.
35606         (promote_debug_loc): New.
35607         (cselib_reset_table): Zero new variables.
35608         (entry_and_rtx_equal_p): Promote debug locs.
35609         (discard_useless_locs): Increment n_useless_debug_values for
35610         debug values.
35611         (remove_useless_values): Adjust n_useless_values and n_debug_values
35612         with n_useless_debug_values.
35613         (add_mem_for_addr): Promote debug locs.
35614         (cselib_lookup_mem): Likewise.
35615         (cselib_lookup_addr): Renamed to...
35616         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
35617         (cselib_log_lookup): ... this.  Turn into...
35618         (cselib_lookup_addr): ... new wrapper.
35619         (cselib_lookup_from_insn): New.
35620         (cselib_invalidate_regno): Increment n_useless_debug_values for
35621         debug values.
35622         (cselib_invalidate_mem): Likewise.
35623         (cselib_process_insn): Take n_deleted and n_debug_values into
35624         account to guard remove_useless_value call.
35625         (cselib_finish): Zero n_useless_debug_values.
35626         * cselib.h (cselib_lookup_from_insn): Declare.
35627         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
35628         (sched_analyze_2): Likewise.
35629
35630 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
35631
35632         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
35633         functions.
35634         (adjust_mems): Replace narrowing SUBREG of expression containing
35635         just PLUS, MINUS, MULT and ASHIFT of registers and constants
35636         with operations in the narrower mode.
35637
35638         PR debug/43593
35639         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
35640         regs_invalidated_by_call instead all call_used_reg_set registers.
35641
35642 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
35643
35644         PR middle-end/43430
35645         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
35646         pointer comparisons with types_compatible_p.
35647         * tree-vect-stmts.c (vectorizable_call): Same.
35648         (vectorizable_condition): Same.
35649
35650 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
35651
35652         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
35653         stack check if the mask would be zero.
35654
35655 2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
35656             Jack Howarth  <howarth@bromo.med.uc.edu>
35657
35658         * tree-profile.c (tree_init_ic_make_global_vars): Make static
35659         variables TLS.
35660
35661 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
35662
35663         PR other/25232
35664         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
35665         and __unordtf2.
35666         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
35667         Include ___unordxf2 and ___unordtf2.
35668         * config/i386/libgcc-glibc.ver: Do not define inheritance from
35669         GCC_4.4.0 here.
35670
35671 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
35672
35673         * config/lm32/t-lm32: New file.
35674         * config.gcc: Use the above file when targetting lm32.
35675
35676 2010-03-28  Duncan Sands  <baldrick@free.fr>
35677
35678         * Makefile.in (PLUGIN_HEADERS): Add except.h.
35679
35680 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
35681
35682         PR middle-end/43431
35683         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
35684         Improve vectorization cost model diagnostic.
35685
35686 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
35687
35688         PR middle-end/43436
35689         * tree-vect-data-refs.c (vect_analyze_data_refs): When
35690         compute_data_dependences_for_loop returns false, early exit
35691         and output an extra diagnostic for the failed data reference
35692         analysis.
35693
35694 2010-03-29  Richard Guenther  <rguenther@suse.de>
35695
35696         PR tree-optimization/43560
35697         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
35698         (can_sm_ref_p): Treat stores to readonly locations as trapping.
35699
35700 2010-03-29  Jie Zhang  <jie@codesourcery.com>
35701
35702         PR 43564
35703         * toplev.c (process_options): Set optimization_default_node
35704         and optimization_current_node.
35705         * opts.c (decode_options): Don't set optimization_default_node
35706         and optimization_current_node.
35707
35708 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
35709
35710         * config/rtems.h: Abandon -qrtems_debug.
35711
35712 2010-03-28  Jan Hubicka  <jh@suse.cz>
35713
35714         PR tree-optimization/43505
35715         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
35716         map should not be copied.
35717
35718 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
35719
35720         PR middle-end/41674
35721         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
35722         cdtors, set DECL_PRESERVE_P.
35723         * ipa.c (cgraph_externally_visible_p): Return true if declaration
35724         should be preseved.
35725
35726 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
35727
35728         PR tree-optimization/43528
35729         * stor-layout.c (place_field): Check that constant fits into
35730         unsigned HWI when skipping calculation of MS bitfield layout.
35731
35732 2010-03-27  Jan Hubicka  <jh@suse.cz>
35733
35734         PR middle-end/43391
35735         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
35736         notice_global_symbol work.
35737
35738 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
35739
35740         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
35741         instead of dwarf2out_decl.
35742         (struct var_loc_node): Remove section_label field.
35743         (dwarf2out_function_decl): New function.
35744         (dwarf2out_var_location): Don't set section_label field.
35745         (dwarf2out_begin_function): Don't empty decl_loc_table here.
35746
35747 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
35748
35749         PR tree-optimization/43544
35750         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
35751         First argument for builtin vectorized function hook is now a
35752         tree to be able to distinguish between machine specific and
35753         standard builtins.
35754         * targhooks.c (default_builtin_vectorized_function): Ditto.
35755         * targhooks.h (default_builtin_vectorized_function): Ditto.
35756         * target.h (struct gcc_target): Ditto.
35757         * tree-vect-stmts.c (vectorizable_function): Ditto.
35758         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
35759         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
35760         Ditto.
35761
35762 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
35763
35764         PR c/43381
35765         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
35766         nested binding iff it is a FUNCTION_DECL.
35767         (store_parm_decls_newstyle): Pass nested=true to bind for
35768         FUNCTION_DECLs amongst parameters.
35769
35770 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
35771
35772         * var-tracking.c (vt_expand_loc_callback): Don't run
35773         cselib_expand_value_rtx_cb in dummy mode if
35774         cselib_dummy_expand_value_rtx_cb returned false.
35775
35776         * var-tracking.c (emit_note_insn_var_location): For one part
35777         notes with offset 0, don't add EXPR_LIST around the location.
35778         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
35779         add_location_or_const_value_attribute): Adjust for that change.
35780
35781         PR debug/43540
35782         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
35783         into first operand and location into second.
35784         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
35785         dw_cfi_oprnd_loc for DW_CFA_expression.
35786         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
35787         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
35788         assume first argument is regnum and second argument is location.
35789
35790 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
35791
35792         PR target/42113
35793         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
35794         of scratch register to DImode.  Split to DImode comparison operator.
35795         Use SImode subreg of scratch register in the multiplication.
35796         (*cmp_sadd_sidi): Ditto.
35797         (*cmp_ssub_si): Ditto.
35798         (*cmp_ssub_sidi): Ditto.
35799
35800 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
35801
35802         PR target/43524
35803         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
35804         Remove invalid assert and wrong comment.
35805
35806 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
35807
35808         PR debug/43516
35809         * flags.h (final_insns_dump_p): New extern.
35810         * final.c (final_insns_dump_p): New variable.
35811         (rest_of_clean_state): Set it before -fdump-final-insns=
35812         dumping, clear afterwards.
35813         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
35814         MEM_ALIAS_SET on MEMs.
35815
35816 2010-03-26  David S. Miller  <davem@davemloft.net>
35817
35818         * configure.ac: Fix sparc GOTDATA_OP bug check.
35819         * configure: Rebuild.
35820
35821 2010-03-26  Alan Modra  <amodra@gmail.com>
35822
35823         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
35824
35825 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35826
35827         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
35828         TLS_SECTION_ASM_FLAG.
35829
35830 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
35831
35832         PR bootstrap/43511
35833         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
35834         Clear first_function_block_is_cold.
35835
35836         PR c/43385
35837         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
35838         argument if the argument is truth_value_p.
35839
35840 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
35841
35842         * config/rs6000/constraints.md: Update copyright year for my changes.
35843
35844         PR target/43484
35845         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
35846         used in reg+reg addressing, swap registers.
35847
35848 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
35849
35850         PR debug/43293
35851         * target.h (struct gcc_target): Add code_end hook.
35852         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
35853         if not yet defined.
35854         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
35855         * toplev.c (compile_file): Call targetm.asm_out.code_end
35856         hook before unwind info/debug info output.
35857         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
35858         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
35859         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
35860         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
35861         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
35862         * config/i386/i386.c (ix86_file_end): Renamed to...
35863         (ix86_code_end): ... this.  Make static.  Don't call
35864         file_end_indicate_exec_stack.  Emit unwind info using
35865         final_start_function/final_end_function.
35866         (darwin_x86_file_end): Remove.
35867         (TARGET_ASM_CODE_END): Define.
35868         * config/i386/i386.h (TARGET_ASM_FILE_END,
35869         NEED_INDICATE_EXEC_STACK): Don't define.
35870         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
35871         (TARGET_ASM_FILE_END): Define to darwin_file_end.
35872         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
35873         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
35874
35875         PR target/43498
35876         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
35877         at the beginning and final_end_function at the end.
35878         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
35879
35880 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35881
35882         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
35883         and Sun as TLS syntax.
35884         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
35885         * configure: Regenerate.
35886         * config.in: Regenerate.
35887         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
35888         (default_elf_asm_named_section): Use it.
35889         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
35890         (i386_output_dwarf_dtprel): Likewise.
35891         (output_addr_const_extra): Likewise.
35892         (output_pic_addr_const): Lowercase @GOTTPOFF.
35893         (output_addr_const_extra): Likewise.
35894         (output_pic_addr_const): Lowercase @GOTNTPOFF.
35895         (output_addr_const_extra): Likewise.
35896         (output_pic_addr_const): Lowercase @INDNTPOFF.
35897         (output_addr_const_extra): Likewise.
35898         (output_pic_addr_const): Lowercase @NTPOFF.
35899         (output_addr_const_extra): Likewise.
35900         (output_pic_addr_const): Lowercase @TPOFF.
35901         (output_addr_const_extra): Likewise.
35902         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
35903         (*tls_global_dynamic_64): Likewise.
35904         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
35905         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
35906
35907         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
35908         (ASM_OUTPUT_TLS_COMMON): Use it.
35909         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
35910
35911         PR target/38118
35912         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
35913         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
35914         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
35915         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
35916         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
35917         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
35918
35919 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35920
35921         * config/i386/i386.c (override_options): Don't accept
35922         -mtls-dialect=sun any longer.
35923         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
35924         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
35925         (*tls_local_dynamic_base_32_sun): Likewise.
35926         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
35927
35928 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
35929
35930         PR debug/43508
35931         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
35932         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
35933
35934         PR debug/43479
35935         * ira.c (adjust_cleared_regs): New function.
35936         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
35937
35938         PR debug/19192
35939         PR debug/43479
35940         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
35941         from gimple_block.
35942         * expr.c (expand_expr_real): Restore previous
35943         curr_insn_source_location and curr_insn_block after
35944         expand_expr_real_1 call.
35945         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
35946         instead of expand_expr_real_1.
35947
35948 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
35949
35950         PR rtl-optimization/43413
35951         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
35952         hard regs too.
35953
35954 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
35955
35956         PR target/43348
35957         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
35958         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
35959
35960 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
35961
35962         * config/i386/i386.c (ix86_target_string): Add -mfma.
35963         Fix a typo in comment.
35964
35965 2010-03-22  Mike Stump  <mikestump@comcast.net>
35966
35967         PR target/23071
35968         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
35969         Don't overly align based upon packed packed fields.
35970
35971 2010-03-22  Jason Merrill  <jason@redhat.com>
35972
35973         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
35974         Use () rather than [], and move before the element type.
35975
35976 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35977
35978         * doc/configfiles.texi (Configuration Files): Removed
35979         fixinc/Makefile*, intl/Makefile.*.
35980         * doc/makefile.texi: Fixed markup. Abstract from version
35981         control system used.
35982         (Makefile): Removed obsolete java/parse.y example.
35983         * doc/sourcebuild.texi: Likewise.
35984         (Top Level): Added config, gnattools, libdecnumber, libgcc,
35985         libgomp, libssp.  Removed fastjar.
35986         (Miscellaneous Docs): Clarify location.
35987         Added COPYING3, COPYING3.LIB.
35988         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
35989
35990 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
35991
35992         PR target/38085
35993         * config/i386/i386.c (x86_function_profiler)
35994         [!NO_PROFILE_COUNTERS]: Fix typo.
35995         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
35996         instead of callq.
35997
35998 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
35999             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
36000
36001         * doc/sourcebuild.texi (Test Directives): Split into six
36002         subsections, with most of the current text in new subsections
36003         Directives, Selectors, and Final Actions.
36004         (Directives): Split list of test directives into multiple
36005         subsubsections.
36006         (Selectors): Describe use and syntax of selectors.
36007         (Effective-Target Keywords): Describe all existing keywords.
36008         (Add Options): Describe features for dg-add-options.
36009         (Require Support): Describe variants of dg-require-support.
36010         (Final Actions): Describe commands to use in dg-final.
36011
36012 2010-03-22  Michael Matz  <matz@suse.de>
36013
36014         PR middle-end/43475
36015         * recog.c (validate_replace_rtx_group): Replace also in
36016         REG_EQUAL and REG_EQUIV notes.
36017
36018 2010-03-22  Richard Guenther  <rguenther@suse.de>
36019
36020         PR tree-optimization/43390
36021         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
36022         sure vector extracts are type correct.
36023
36024 2010-03-22  Richard Guenther  <rguenther@suse.de>
36025
36026         PR middle-end/40106
36027         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
36028         x * sqrt (x) even when optimizing for size if the target
36029         has native support for sqrt.
36030
36031 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
36032
36033         * varasm.c (make_decl_rtl_for_debug): Also clear
36034         flag_mudflap for the duration of make_decl_rtl call.
36035
36036         PR debug/43443
36037         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
36038         locs from preserved VALUEs.
36039
36040 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
36041
36042         PR middle-end/42718
36043         * pa.md (movmemsi): Set align to one if zero.
36044         (movmemdi): Likewise.
36045
36046 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
36047
36048         PR target/42321
36049         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
36050         with their corresponding prologue pushes.
36051
36052 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
36053
36054         PR target/43156
36055         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
36056         at the begining or end.
36057         (spu_expand_epilogue): Likewise.
36058
36059 2010-03-20  Richard Guenther  <rguenther@suse.de>
36060
36061         PR rtl-optimization/43438
36062         * combine.c (make_extraction): Properly zero-/sign-extend an
36063         extraction of the low part of a CONST_INT.  Also handle
36064         CONST_DOUBLE.
36065
36066 2010-03-19  Mike Stump  <mikestump@comcast.net>
36067
36068         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
36069         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
36070         (override_options): Use SUBTARGET32_DEFAULT_CPU.
36071
36072 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
36073
36074         PR c/43211
36075         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
36076         an error.
36077
36078 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
36079
36080         PR rtl-optimization/42258
36081         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
36082         use that may match DEF.
36083
36084         PR target/40697
36085         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
36086         the cost of loading the constant rather than assuming
36087         COSTS_N_INSNS (1).
36088         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
36089         outer code is AND, do the same tests as the andsi3 expander and
36090         return COSTS_N_INSNS (1) if and is cheap.
36091
36092         * optabs.c (avoid_expensive_constant): Fix formatting.
36093
36094 2010-03-19  Michael Matz  <matz@suse.de>
36095
36096         PR c++/43116
36097         * attribs.c (decl_attributes): When rebuilding a function pointer
36098         type use the same qualifiers as the original pointer type.
36099
36100 2010-03-19  Martin Jambor  <mjambor@suse.cz>
36101
36102         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
36103         and is_gimple_ip_invariant_address.
36104
36105 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
36106
36107         Revert
36108         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
36109
36110         * config/arm/arm.c (arm_override_options): Turn off
36111         flag_dwarf2_cfi_asm for AAPCS variants.
36112
36113 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
36114
36115         PR target/43399
36116         * config/arm/arm.c (emit_multi_reg_push): Update comments.
36117         Use PRE_MODIFY instead of PRE_DEC.
36118         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
36119         (vfp_emit_fstmd): Likewise.
36120
36121 2010-03-19  Michael Matz  <matz@suse.de>
36122
36123         PR target/43305
36124         * builtins.c (expand_builtin_interclass_mathfn,
36125         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
36126         if that fails.
36127
36128 2010-03-19  Richard Guenther  <rguenther@suse.de>
36129
36130         PR tree-optimization/43415
36131         * tree-ssa-pre.c (phi_translate): Split out worker to ...
36132         (phi_translate_1): ... this.
36133         (phi_translate): Move all caching here.  Cache all NARY
36134         and REFERENCE translations.
36135
36136 2010-03-19  David S. Miller  <davem@davemloft.net>
36137
36138         With help from Eric Botcazou.
36139         * config/sparc/sparc.c: Include dwarf2out.h.
36140         (emit_pic_helper): Delete.
36141         (pic_helper_symbol_name): Delete.
36142         (pic_helper_emitted_p): Delete.
36143         (pic_helper_needed): New.
36144         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
36145         (get_pc_thunk_name): New.
36146         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
36147         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
36148         Set pic_helper_needed to true.  Don't call emit_pic_helper.
36149         (sparc_expand_prologue): Update load_pic_register call.
36150         (sparc_output_mi_thunk): Likewise.
36151         (sparc_file_end): Emit a hidden comdat symbol for the PIC
36152         thunk if possible.  Output CFI information as needed.
36153
36154 2010-03-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
36155             Jack Howarth  <howarth@bromo.med.uc.edu>
36156
36157         PR target/36399
36158         * config/i386/i386.h: Fix ABI on darwin x86-32.
36159
36160 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
36161
36162         * tree.h: Declare make_decl_rtl_for_debug.
36163         * varasm.c (make_decl_rtl_for_debug): New.
36164         * dwarf2out.c (rtl_for_decl_location): Call it.
36165         * cfgexpand.c (expand_debug_expr): Call it.
36166
36167 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
36168
36169         PR bootstrap/43399
36170         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
36171         mem_mode.
36172
36173         PR bootstrap/43403
36174         * var-tracking.c (vt_init_cfa_base): Do nothing if
36175         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
36176
36177 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
36178
36179         PR debug/42873
36180         * var-tracking.c (canonicalize_vars_star): New.
36181         (dataflow_post_merge_adjust): Use it.
36182
36183 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
36184
36185         PR debug/43058
36186         * var-tracking.c (non_suitable_const): New function.
36187         (add_uses): For DEBUG_INSNs with constants, don't record any
36188         value, instead just the constant value itself.
36189         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
36190         is not VAR_LOC_UNKNOWN_P, set var to the constant.
36191         (emit_notes_in_bb): Likewise.
36192         (emit_note_insn_var_location): For onepart variables if
36193         cur_loc is a VOIDmode constant, use DECL_MODE.
36194
36195 2010-03-18  Martin Jambor  <mjambor@suse.cz>
36196
36197         PR middle-end/42450
36198         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
36199         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
36200         all non-clones.  Moved call redirection...
36201         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
36202         (cgraph_materialize_all_clones): Dispose of all
36203         combined_args_to_skip bitmaps.
36204         (verify_cgraph_node): Do not check for edges pointing to wrong
36205         nodes in inline clones.
36206         * tree-inline.c (copy_bb): Call
36207         cgraph_redirect_edge_call_stmt_to_callee.
36208         * ipa.c (cgraph_remove_unreachable_nodes): Call
36209         cgraph_node_remove_callees even when there are used clones.
36210
36211 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
36212
36213         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
36214
36215 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
36216
36217         PR target/43383
36218         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
36219         for 32bit.
36220
36221 2010-03-18  Michael Matz  <matz@suse.de>
36222
36223         PR middle-end/43419
36224         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
36225         into sqrt(x) if we need to preserve signed zeros.
36226
36227 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
36228             Eric Botcazou  <ebotcazou@adacore.com>
36229
36230         PR rtl-optimization/43360
36231         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
36232         note if we don't know its invariant status.
36233
36234 2010-03-18  Michael Matz  <matz@suse.de>
36235
36236         PR tree-optimization/43402
36237         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
36238         PHI chains of ssa names registered for update.
36239
36240 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
36241
36242         PR target/42427
36243         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
36244         non-offsettable and pre_modify update addressing.
36245         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
36246         and "2" alternatives "#".
36247         (*movdd_softfloat32): Make all alternatives "#";
36248         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
36249         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
36250         (*movdf_softfloat32): Make all alternatives "#";
36251         (movdi): Use the new DIFD mode iterator to create a common splitter
36252         for movdi, movdf and movdd patterns.
36253
36254 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
36255
36256         * common.opt (dumpdir): Remove redundant tab.
36257
36258 2010-03-17  Martin Jambor  <mjambor@suse.cz>
36259
36260         PR tree-optimization/43347
36261         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
36262         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
36263
36264 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
36265
36266         PR rtl-optimization/42216
36267         * regrename.c (create_new_chain): New function, broken out from...
36268         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
36269         appending a use to an empty chain.
36270         (build_def_use): Remove previous changes that convert OP_INOUT to
36271         OP_OUT operands; instead detect the case where an OP_INOUT operand
36272         uses a previously untracked register and create an empty chain for it.
36273
36274 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
36275
36276         * doc/extend.texi (Function Attributes): Rewrite unfinished
36277         sentence in ms_abi documentation.
36278
36279 2010-03-17  Alan Modra  <amodra@gmail.com>
36280
36281         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
36282         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
36283         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
36284         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
36285
36286 2010-03-16  Richard Henderson  <rth@redhat.com>
36287
36288         PR middle-end/43365
36289         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
36290         (lower_try_finally): Save and restore eh_seq around the expansion
36291         of the try-finally.
36292
36293 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
36294
36295         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
36296         statements before splitting block.
36297
36298 2010-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
36299
36300         * doc/sourcebuild.texi (Testsuites): Fix markup.
36301         Use pathnames relative to gcc/testsuite.
36302         (Test Directives): Move description of how timeout is determined.
36303         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
36304         (C Tests): Correct gcc.misc-tests directory.
36305         Framework tests now live in gcc.test-framework.
36306
36307 2010-03-16  Richard Guenther  <rguenther@suse.de>
36308
36309         PR middle-end/43379
36310         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
36311         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
36312
36313 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
36314             Alexandre Oliva  <aoliva@redhat.com>
36315
36316         PR tree-optimization/42917
36317         * lambda-code.c (remove_iv): Skip debug statements.
36318         (lambda_loopnest_to_gcc_loopnest): Likewise.
36319         (not_interesting_stmt): Debug statements are not interesting.
36320
36321 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
36322
36323         PR debug/43051
36324         PR debug/43092
36325         * cselib.c (cselib_preserve_constants,
36326         cfa_base_preserved_val): New static variables.
36327         (preserve_only_constants): New function.
36328         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
36329         clear its REG_VALUES.  If cselib_preserve_constants, don't
36330         empty the whole hash table, but preserve there VALUEs with constants,
36331         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
36332         (cselib_preserve_cfa_base_value): New function.
36333         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
36334         (cselib_init): Change argument to int bitfield.  Set
36335         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
36336         is in it.
36337         (cselib_finish): Clear cselib_preserve_constants and
36338         cfa_base_preserved_val.
36339         * cselib.h (enum cselib_record_what): New enum.
36340         (cselib_init): Change argument to int.
36341         (cselib_preserve_cfa_base_value): New prototype.
36342         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
36343         * dse.c (dse_step1): Likewise.
36344         * cfgcleanup.c (thread_jump): Likewise.
36345         * sched-deps.c (sched_analyze): Likewise.
36346         * gcse.c (local_cprop_pass): Likewise.
36347         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
36348         If FN is non-NULL, call the callback always and whenever it returns
36349         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
36350         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
36351         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
36352         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
36353         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
36354         * var-tracking.c: Include recog.h.
36355         (bb_stack_adjust_offset): Remove.
36356         (vt_stack_adjustments): Don't call it, instead just gather the
36357         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
36358         (adjust_stack_reference): Remove.
36359         (compute_cfa_pointer): New function.
36360         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
36361         (struct adjust_mem_data): New type.
36362         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
36363         functions.
36364         (get_address_mode): New function.
36365         (replace_expr_with_values): Use it.
36366         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
36367         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
36368         (adjust_sets): Remove.
36369         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
36370         Use get_address_mode.
36371         (get_adjusted_src): Remove.
36372         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
36373         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
36374         (add_with_sets): Don't call adjust_sets.
36375         (fp_setter, vt_init_cfa_base): New functions.
36376         (vt_initialize): Change return type to bool.  Move most of pool etc.
36377         initialization to the beginning of the function from end.  Pass
36378         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
36379         If !frame_pointer_needed, call vt_stack_adjustment before mos
36380         vector is filled, call vt_init_cfa_base if argp/framep has been
36381         eliminated to sp.  If frame_pointer_needed and argp/framep has
36382         been eliminated to hard frame pointer, set
36383         hard_frame_pointer_adjustment and call vt_init_cfa_base after
36384         encountering fp setter in the prologue.  For MO_ADJUST, call
36385         log_op_type before pusing the op into mos vector, not afterwards.
36386         Call adjust_insn before cselib_process_insn/add_with_sets,
36387         call cancel_changes (0) afterwards.
36388         (variable_tracking_main_1): Adjust for vt_initialize calling
36389         vt_stack_adjustments and returning whether it succeeded or not.
36390
36391 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
36392
36393         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
36394         debug statements.
36395
36396 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
36397
36398         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
36399         has been set.
36400         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
36401         drap_reg has not been set.
36402
36403 2010-03-15  Michael Matz  <matz@suse.de>
36404
36405         PR middle-end/43300
36406         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
36407         use it to expand block copies.
36408         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
36409         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
36410         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
36411
36412 2010-03-15  Richard Guenther  <rguenther@suse.de>
36413
36414         PR tree-optimization/43367
36415         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
36416         elimination check.
36417
36418 2010-03-15  Richard Guenther  <rguenther@suse.de>
36419
36420         PR tree-optimization/43317
36421         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
36422
36423 2010-03-15  Martin Jambor  <mjambor@suse.cz>
36424
36425         PR tree-optimization/43141
36426         * tree-sra.c (create_abstract_origin): New function.
36427         (modify_function): Call create_abstract_origin.
36428
36429 2010-03-15  Chris Demetriou  <cgd@google.com>
36430
36431         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
36432         wasn't copied.
36433
36434 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36435
36436         PR middle-end/43354
36437         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
36438         call insert_out_of_ssa_copy for default definitions.
36439
36440 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36441
36442         * graphite-clast-to-gimple.c (my_long_long): Defined.
36443         (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
36444         * graphite-sese-to-poly.c (my_long_long): Defined.
36445         (scop_ivs_can_be_represented): Use it.
36446
36447 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36448
36449         * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
36450         graphite-max-bbs-per-function, and loop-block-tile-size.
36451         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
36452         with "maximum".
36453         (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
36454
36455 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36456
36457         * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
36458         forward declaration.
36459         * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
36460         (add_upper_bounds_from_estimated_nit): New.
36461         (build_loop_iteration_domains): Use it.
36462
36463 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36464
36465         * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
36466
36467 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36468
36469         PR middle-end/43306
36470         * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
36471         should be an INTEGER_CST.  Also handle CASE_CONVERT.
36472
36473 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36474
36475         * graphite.c (graphite_initialize): To bound the number of bbs per
36476         function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
36477         * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
36478         * doc/invoke.texi: Document it.
36479
36480 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36481
36482         * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
36483         * graphite-sese-to-poly.h (build_poly_scop): Same.
36484
36485 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
36486
36487         * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
36488         the number of parameters in the scop.  Use as an upper bound
36489         PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
36490         * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
36491         * doc/invoke.texi: Document it.
36492
36493 2010-03-13  Jerry Quinn  <jlquinn@optonline.net>
36494
36495         * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
36496         * doc/c-tree.texi: Remove.
36497         * doc/generic.texi: Merge c-tree.texi here.
36498         * doc/gccint.texi (Trees): Remove menu entry.
36499         (c-tree.texi): Remove @include.
36500         * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
36501         * doc/languages.texi (Reading RTL): Ditto.
36502
36503 2010-03-12  Steve Ellcey  <sje@cup.hp.com>
36504
36505         PR target/42869
36506         * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
36507
36508 2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
36509
36510         PR middle-end/42431
36511         * config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
36512         code added to work around reload clobbering CONST insns.
36513
36514 2010-03-12  Jakub Jelinek  <jakub@redhat.com>
36515
36516         * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
36517         (cselib_preserve_definitely, cselib_clear_preserve): Remove.
36518         (cselib_preserve_only_values): Remove retain argument, don't
36519         traverse hash table with cselib_{preserve_definitely,clear_preserve}.
36520         * cselib.h (cselib_preserve_only_values): Remove retain argument.
36521         * var-tracking.c (micro_operation): Move insn field before union.
36522         Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
36523         (struct variable_tracking_info_def): Remove n_mos field, change
36524         mos into a vector of micro_operations.
36525         (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
36526         (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
36527         compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
36528         changing into a vector.
36529         (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
36530         come before all other uops generated by add_stores.
36531         (vt_add_function_parameters): Adjust for cselib_preserve_only_values
36532         argument removal.
36533         (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
36534         a vector.  Run just one pass over the bbs instead of separate counting
36535         and computation phase.
36536         (vt_finalize): Free VTI (bb)->mos vector instead of array.
36537
36538         PR debug/43329
36539         * tree-inline.c (remap_decls): Put old_var rather than origin_var
36540         into *nonlocalized_list vector.
36541         * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
36542         even if origin is non-NULL.
36543         (gen_variable_die): Likewise.
36544         (process_scope_var): Don't change origin.
36545         (gen_decl_die): Likewise.
36546         * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
36547         before adding new edges instead of after it, fix moving over
36548         debug stmts.
36549
36550 2010-03-11  David S. Miller  <davem@davemloft.net>
36551
36552         * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
36553         of four.
36554         * configure: Rebuild.
36555
36556 2010-03-11  Martin Jambor  <mjambor@suse.cz>
36557
36558         PR tree-optimization/43257
36559         * tree.c (assign_assembler_name_if_neeeded): New function.
36560         (free_lang_data_in_cgraph): Assembler name assignment moved to the
36561         above new function.
36562         * tree.h (assign_assembler_name_if_neeeded): Declare.
36563         * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
36564         the function if needed.
36565
36566 2010-03-11  Chris Demetriou  <cgd@google.com>
36567
36568         * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
36569         include/stdint-gcc.h, and include/stdint.h world-readable.
36570
36571 2010-03-11  Richard Guenther  <rguenther@suse.de>
36572
36573         PR tree-optimization/43255
36574         * tree-vrp.c (process_assert_insertions_for): Do not insert
36575         asserts for trivial conditions.
36576
36577 2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
36578
36579         PR tree-optimization/43280
36580         * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
36581         generation.  Move calculation of size out of the if branch.
36582         (find_bswap): Modify compare number generation.
36583
36584 2010-03-11  Richard Guenther  <rguenther@suse.de>
36585
36586         PR lto/43200
36587         * lto-streamer-in.c (maybe_fixup_decls): Simplify.
36588         (input_gimple_stmt): Fixup handled component types during
36589         operand read.  Also fix up decls in ADDR_EXPRs.
36590
36591 2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>
36592
36593         * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
36594         * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
36595
36596 2010-03-10  Jan Hubicka  <jh@suse.cz>
36597
36598         PR c/43288
36599         * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
36600         * varasm.c (get_variable_section): Don't do that here...
36601         (make_decl_rtl): ... and here.
36602         (do_assemble_alias): Produce decl RTL.
36603         (assemble_alias): Likewise.
36604
36605 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
36606
36607         PR debug/43290
36608         * reg-notes.def (REG_CFA_SET_VDRAP): New note.
36609         * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
36610         of fde->vdrap_reg.
36611         (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
36612         (based_loc_descr): Only express drap or vdrap regno based expressions
36613         using DW_OP_fbreg when not optimizing.
36614         * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
36615         make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
36616         REG_CFA_SET_VDRAP note.
36617
36618 2010-03-10  Alexander Monakov  <amonakov@ispras.ru>
36619
36620         PR tree-optimization/43236
36621         * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
36622         error in calculation of base address in reverse iteration case.
36623         (generate_builtin): Take number of latch executions if the statement
36624         is in the latch.
36625
36626 2010-03-10  Andrey Belevantsev  <abel@ispras.ru>
36627
36628         PR middle-end/42859
36629         * tree-eh.c: Include pointer-set.h.
36630         (lower_eh_dispatch): Filter out duplicate case labels and
36631         remove the unneeded edge when the label is unused.  Return
36632         true when some edges are removed.
36633         (execute_lower_eh_dispatch): When any lowering resulted in
36634         removing an edge, also delete unreachable blocks.
36635
36636 2010-03-10  Jakub Jelinek  <jakub@redhat.com>
36637
36638         PR bootstrap/43287
36639         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
36640         UNSPEC_MACHOPIC_OFFSET.
36641
36642 2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>
36643
36644         PR target/43294
36645         * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
36646         (m68k_delegitimize_address): New function.
36647
36648 2010-03-09  Jakub Jelinek  <jakub@redhat.com>
36649
36650         PR debug/43299
36651         * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
36652
36653         PR debug/43299
36654         * var-tracking.c (adjust_sets): New function.
36655         (count_with_sets, add_with_sets): Use it.
36656         (get_adjusted_src): New inline function.
36657         (add_stores): Use it.
36658
36659         PR debug/43304
36660         * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
36661         call cselib_dummy_expand_value_rtx_cb instead of
36662         cselib_expand_value_rtx_cb.
36663
36664         PR debug/43293
36665         * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
36666         * config/i386/i386.c: Include debug.h and dwarf2out.h.
36667         (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
36668         and .cfi_endproc around the pic thunks.
36669         (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
36670         all queued unwind info register saves are saved before the call.
36671         For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
36672         considered as sp-=4 for unwind info and the pop as sp+=4 which
36673         also clobbers dest, but doesn't actually restore it.
36674
36675         PR debug/43290
36676         * config/i386/i386.c (ix86_get_drap_rtx): Don't set
36677         RTX_FRAME_RELATED_P.
36678
36679 2010-03-09  Jie Zhang  <jie@codesourcery.com>
36680
36681         * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
36682         whitespaces in output template.
36683
36684 2010-03-09  Jie Zhang  <jie@codesourcery.com>
36685
36686         * ira-lives.c (check_and_make_def_use_conflict): Don't fall
36687         out array boundary.
36688
36689 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
36690
36691         * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
36692         builtins.exp in a separate job.
36693
36694 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36695
36696         * graphite-sese-to-poly.c (add_param_constraints): Use
36697         lower_bound_in_type and upper_bound_in_type.
36698
36699 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36700
36701         * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
36702         instead of unsigned_type_node.
36703
36704 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36705             Reza Yazdani  <reza.yazdani@amd.com>
36706
36707         PR middle-end/43065
36708         * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
36709         on pointer type parameters.
36710
36711 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
36712
36713         PR middle-end/42644
36714         PR middle-end/42130
36715         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
36716         handle conversions from pointer to integers.
36717         (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
36718         induction variable, to be able to work with code generated by CLooG.
36719         * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
36720         (build_poly_scop): Bail out if we cannot codegen a loop.
36721
36722 2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>
36723
36724         * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
36725         code generation with gloog_error.
36726
36727 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36728
36729         * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
36730         Call fold_convert on all the returned values.
36731         (expand_scalar_variables_expr): Pass to
36732         expand_scalar_variables_ssa_name the type of the resulting expression.
36733
36734 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36735
36736         * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
36737         ppl_min_for_le_pointset.
36738         Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
36739         * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
36740
36741 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36742
36743         * graphite-dependences.c (map_into_dep_poly): Removed.
36744         (dependence_polyhedron_1): Use combine_context_id_scat.
36745
36746 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36747
36748         * graphite-poly.h (struct poly_scattering): Add layout documentation.
36749         (struct poly_bb): Same.
36750         (combine_context_id_scat): New.
36751
36752 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36753
36754         PR middle-end/42326
36755         * sese.c (name_defined_in_loop_p): Return false for default
36756         definitions.
36757
36758 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36759
36760         * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
36761         and clean up the logic.
36762
36763 2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
36764
36765         * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
36766         early return.
36767
36768 2010-03-08  Jakub Jelinek  <jakub@redhat.com>
36769
36770         * var-tracking.c (remove_cselib_value_chains): Define only for
36771         ENABLE_CHECKING.
36772         (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
36773         delete_slot_part, emit_notes_for_differences_1): Don't call
36774         remove_cselib_value_chains here.
36775         (set_slot_part, emit_notes_for_differences_2): Don't call
36776         add_cselib_value_chains here.
36777         (preserved_values): New vector.
36778         (preserve_value): New function.
36779         (add_uses, add_stores, vt_add_function_parameters): Use it
36780         instead of cselib_preserve_value.
36781         (changed_values_stack): New vector.
36782         (check_changed_vars_0): New function.
36783         (check_changed_vars_1, check_changed_vars_2): Use it.
36784         (emit_notes_for_changes): Call set_dv_changed (*, false) on all
36785         changed_values_stack VALUEs.
36786         (vt_emit_notes): For all preserved_values call
36787         add_cselib_value_chains.  If ENABLE_CHECKING call
36788         remove_cselib_value_chains before verifying value_chains is empty.
36789         Initialize and free changed_values_stack.
36790         (vt_initialize): Initialize preserved_values.
36791         (vt_finalize): Free preserved_values.
36792
36793 2010-03-08  Richard Guenther  <rguenther@suse.de>
36794
36795         PR tree-optimization/43269
36796         * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
36797         region detection.
36798
36799 2010-03-08  Martin Jambor  <mjambor@suse.cz>
36800
36801         * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
36802         (ipa_is_param_called): Removed.
36803         * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
36804         (ipa_print_node_params): Do not print the called flag.
36805         (ipa_write_node_info): Do not stream the called flag.
36806         (ipa_read_node_info): Likewise.
36807
36808 2010-03-07  Jakub Jelinek  <jakub@redhat.com>
36809
36810         PR debug/43176
36811         * Makefile.in (var-tracking.o): Depend on pointer-set.h.
36812         * cselib.c (struct expand_value_data): Add dummy field.
36813         (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
36814         dummy to false.
36815         (cselib_dummy_expand_value_rtx_cb): New function.
36816         (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
36817         any rtl.
36818         * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
36819         * var-tracking.c: Include pointer-set.h.
36820         (variable): Change n_var_parts to char from int.  Add
36821         cur_loc_changed and in_changed_variables fields.
36822         (variable_canonicalize): Remove.
36823         (shared_var_p): New inline function.
36824         (unshare_variable): Maintain cur_loc_changed and
36825         in_changed_variables fields.  If var was in changed_variables,
36826         replace it there with new_var.  Just copy cur_loc instead of
36827         resetting it to something else.
36828         (variable_union): Don't recompute cur_loc.  Use shared_var_p.
36829         (dataflow_set_union): Don't call variable_canonicalize.
36830         (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
36831         of their DEBUG_EXPR_TREE_DECLs.
36832         (canonicalize_loc_order_check): Verify that cur_loc is NULL
36833         and in_changed_variables and cur_loc_changed is false.
36834         (variable_merge_over_cur): Clear cur_loc, in_changed_variables
36835         and cur_loc_changed.  Don't update cur_loc here.
36836         (variable_merge_over_src): Don't call variable_canonicalize.
36837         (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
36838         removing loc that is equal to cur_loc, clear cur_loc,
36839         set cur_loc_changed and ensure variable_was_changed is called.
36840         (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
36841         compare pointers in cur_loc check, if it is equal to loc,
36842         clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
36843         (variable_different_p): Remove compare_current_location argument,
36844         don't compare cur_loc.
36845         (dataflow_set_different_1): Adjust variable_different_p caller.
36846         (variable_was_changed): If dv had some var in changed_variables
36847         already, reset in_changed_variables flag for it and propagate
36848         cur_loc_changed over to the new variable.  On empty var
36849         always set cur_loc_changed.  Set in_changed_variables on whatever
36850         var is added to changed_variables.
36851         (set_slot_part): Clear cur_loc_changed and in_changed_variables.
36852         Use shared_var_p.  When removing loc that is equal to cur_loc,
36853         clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
36854         end, don't set it to something else, just call variable_was_changed.
36855         (delete_slot_part): Use shared_var_p.  When cur_loc equals to
36856         loc being removed, clear cur_loc and set cur_loc_changed.
36857         Set cur_loc_changed if all locations have been removed.
36858         (struct expand_loc_callback_data): New type.
36859         (vt_expand_loc_callback): Add dummy mode in which no rtxes are
36860         allocated.  Always create SUBREGs if simplify_subreg failed.
36861         Prefer to use cur_loc, when that fails and still in
36862         changed_variables (and seen first time) recompute it.  Set
36863         cur_loc_changed of variables which had to change cur_loc and
36864         compute elcd->cur_loc_changed if any of the subexpressions used
36865         had to change cur_loc.
36866         (vt_expand_loc): Adjust to pass arguments in
36867         expand_loc_callback_data structure.
36868         (vt_expand_loc_dummy): New function.
36869         (emitted_notes): New variable.
36870         (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
36871         that weren't used for any other decl in current
36872         emit_notes_for_changes call call vt_expand_loc_dummy to update
36873         cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
36874         first loc_chain location if NULL before.  Always use just
36875         cur_loc instead of first loc_chain location.  When cur_loc_changed
36876         is false, when not --enable-checking=rtl just don't emit any note.
36877         When rtl checking, compute the note and assert it is the same
36878         as previous note.  Clear cur_loc_changed and in_changed_variables
36879         at the end before removing from changed_variables.
36880         (check_changed_vars_3): New function.
36881         (emit_notes_for_changes): Traverse changed_vars to call
36882         check_changed_vars_3 on each changed var.
36883         (emit_notes_for_differences_1): Clear cur_loc_changed and
36884         in_changed_variables.  Recompute cur_loc of new_var.
36885         (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
36886         (vt_emit_notes): Initialize and destroy emitted_notes.
36887
36888 2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>
36889
36890         PR rtl-optimization/42220
36891         * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
36892         Use verify_reg_tracked to determine if we should use OP_OUT rather
36893         than OP_INOUT.
36894         (build_def_use): If we see an in-out operand for a register that we
36895         know nothing about, treat is an output if possible, fail the block if
36896         not.
36897
36898 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
36899
36900         PR debug/42897
36901         * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
36902         permanently.
36903
36904 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
36905
36906         PR debug/42897
36907         * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
36908         uses of relevant DEFs that are dead outside the loop too.
36909
36910 2010-03-06  Alexandre Oliva  <aoliva@redhat.com>
36911
36912         * var-tracking.c (dataflow_set_merge): Swap src and src2.
36913         Reverted:
36914         2010-01-13  Jakub Jelinek  <jakub@redhat.com>
36915         PR debug/41371
36916         * var-tracking.c (values_to_unmark): New variable.
36917         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
36918         values_to_unmark vector.  Moved body to...
36919         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
36920         instead queue it into values_to_unmark vector.
36921         (vt_find_locations): Free values_to_unmark vector.
36922
36923 2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>
36924
36925         * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
36926         (site.exp): Export them when plugins are enabled.
36927
36928 2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>
36929
36930         PR middle-end/42326
36931         * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
36932         that contain scevs.
36933         (chrec_fold_multiply): Same.
36934
36935 2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
36936
36937         PR c/43248
36938         * c-decl.c (build_compound_literal): Return early if init is
36939         an error_mark_node.
36940
36941 2010-03-04  Martin Jambor  <mjambor@suse.cz>
36942
36943         PR tree-optimization/43164
36944         PR tree-optimization/43191
36945         * tree-sra.c (type_consists_of_records_p): Reject records with
36946         zero-size bit-fields at the end.
36947
36948 2010-03-04  Mike Stump  <mikestump@comcast.net>
36949
36950         * Makefile.in (TAGS): Remove *.y.
36951
36952 2010-03-04  Richard Guenther  <rguenther@suse.de>
36953
36954         PR tree-optimization/40761
36955         * tree-ssa-pre.c (compute_antic): Walk reverse postorder
36956         in reverse order.
36957         (my_rev_post_order_compute): New function.
36958         (init_pre): Call it.
36959
36960 2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>
36961
36962         PR middle-end/43209
36963         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
36964         decrease the cost of an IV candidate when the cost is infinite.
36965
36966 2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
36967
36968         * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
36969         Use '3DNow!' for the extension of that name, ensure normal space
36970         after the string.
36971         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
36972
36973 2010-03-03  Jeff Law  <law@redhat.com>
36974
36975         * PR middle-end/32693
36976         * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
36977         than gen_rtx_SUBREG.
36978         (extract_bit_field_1): Likewise.
36979
36980 2010-03-03  Janis Johnson  <janis187@us.ibm.com>
36981
36982         * doc/sourcebuild.texi (Test directives): Document that arguments
36983         include-opts and exclude-opts are now optional for dg-skip-if,
36984         dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
36985
36986 2010-03-03  Jason Merrill  <jason@redhat.com>
36987
36988         PR c++/12909
36989         * cgraph.h (varpool_node): Add extra_name field.
36990         * varpool.c (varpool_extra_name_alias): New.
36991         (varpool_assemble_decl): Emit extra name aliases.
36992         (varpool_mark_needed_node): Look past an extra name alias.
36993         * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
36994         * lto-streamer-in.c (lto_input_tree): Read it.
36995         * lto-streamer-out.c (output_unreferenced_globals): Write it.
36996
36997 2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>
36998
36999         * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
37000         (sparc*-*-solaris2*): ...this.
37001
37002 2010-03-03  Jakub Jelinek  <jakub@redhat.com>
37003
37004         PR debug/43229
37005         * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
37006         WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
37007         ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
37008         FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
37009
37010         PR debug/43237
37011         * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
37012         fallthrough to default handling, just with want_address 0 instead of 2.
37013         For single element lists, add_AT_loc directly, otherwise create an
37014         artificial variable DIE and stick location list to it.
37015
37016         PR debug/43177
37017         * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
37018         (VAL_EXPR_HAS_REVERSE): Define.
37019         (reverse_op): New function.
37020         (add_stores): For reversible operations add an extra MO_VAL_USE.
37021
37022 2010-03-02  Jason Merrill  <jason@redhat.com>
37023
37024         * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
37025
37026 2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>
37027
37028         * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
37029         (sparc64-*-linux*): Likewise.
37030         (sparc64-*-solaris2*): Include assembler files before linker ones.
37031         (sparc-*-solaris2*): Simplify and reorder to match previous case.
37032         * config/sparc/gas.h: Delete.
37033         * config/sparc/sol2-64.h: Add copyright notice.
37034         * config/sparc/sol2-gas-bi.h: Likewise.
37035         * config/sparc/sol2-gld.h: Likewise.
37036         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
37037         * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
37038         * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
37039         * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
37040         (sparc_elf_asm_named_section): Rename into...
37041         (sparc_solaris_elf_asm_named_section): ...this.  Always define.
37042
37043 2010-03-02  Uros Bizjak  <ubizjak@gmail.com>
37044
37045         * config/alpha/alpha.c (override_options): Fix -mtune error message.
37046
37047 2010-03-02  Jeff Law  <law@redhat.com>
37048
37049         PR middle-end/42431
37050         * reload1.c (rtx_p, substitute_stack): Declare.
37051         (substitute): Record addresses of changed rtxs.
37052         (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
37053         Restore the original rtx when complete.
37054         (reload): Free subsitute_stack when complete.
37055
37056 2010-03-02  Janis Johnson  <janis187@us.ibm.com>
37057
37058         * doc/gccint.texi (menu): Add Testsuites as a chapter.
37059         * doc/sourcebuild.texi (Testsuites): Move up a level to be a
37060         new chapter.
37061         (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
37062         LTO Testing, gcov Testing, profopt Testing, compat Testing,
37063         Torture Tests): Change from subsection to section.
37064
37065 2010-03-02  Jakub Jelinek  <jakub@redhat.com>
37066             Steven Bosscher  <steven@gcc.gnu.org>
37067
37068         * var-tracking.c (vt_initialize): Scan insns in ebb chunks
37069         instead of bb.
37070
37071 2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>
37072
37073         PR middle-end/42640
37074         * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
37075         the assignment from the new induction variable to the assignment
37076         of the value from the original loop PHI function.
37077
37078 2010-03-01  Janis Johnson  <janis187@us.ibm.com>
37079             Daniel Jacobowitz  <dan@codesourcery.com>
37080
37081         * doc/sourcebuild.texi (Test directives): Clarify options to
37082         dg-skip-if.
37083
37084 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
37085
37086         * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
37087         Disable cfi directives unless GCC and gas agree on using read-only
37088         .eh_frame sections for 64-bit.
37089         * configure: Regenerate.
37090
37091 2010-03-01  Richard Guenther  <rguenther@suse.de>
37092
37093         PR tree-optimization/43220
37094         * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
37095         BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
37096
37097 2010-03-01  Richard Guenther  <rguenther@suse.de>
37098             Martin Jambor  <mjambor@suse.cz>
37099
37100         PR middle-end/41250
37101         * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
37102         gimplified parameters.
37103
37104 2010-03-01  Christian Bruel  <christian.bruel@st.com>
37105
37106         * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
37107
37108 2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>
37109
37110         * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
37111
37112 2010-03-01  Richard Guenther  <rguenther@suse.de>
37113
37114         PR middle-end/43213
37115         * expr.c (expand_assignment): Use the alias-oracle to tell
37116         if the rhs aliases the result decl.
37117
37118 2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
37119
37120         PR pch/14940
37121         * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
37122         to sol_gt_pch_get_address.
37123         (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
37124         64-bit, SPARC and x86.
37125         (sol_gt_pch_get_address): New function.
37126
37127 2010-03-01  Marco Poletti  <poletti.marco@gmail.com>
37128
37129         * toplev.h (inform_n, error_n): Declare.
37130         * diagnostic.c (inform_n, error_n): New function.
37131
37132 2010-03-01  Jakub Jelinek  <jakub@redhat.com>
37133
37134         * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
37135         has no rtl yet when processing local_decls, queue it and recheck
37136         if deferred stack allocation hasn't assigned it rtl.
37137
37138 2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
37139
37140         * config/sh/sh.c (unspec_bbr_uid): New.
37141         (gen_block_redirect): Use it instead of INSN_UID.
37142         (gen_far_branch): Likewise.
37143
37144 2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>
37145
37146         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
37147         it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
37148
37149 2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
37150
37151         * doc/invoke.texi (Warning Options, RX Options): Fix typos.
37152         (Warning Options): -Wno-conversion-null is valid for
37153         Objective-C++ as well.
37154         * doc/tm.texi (Named Address Spaces): Likewise.
37155         * doc/plugins.texi (Plugins): Replace TABs with spaces.
37156         * doc/tree-ssa.texi (Tree SSA): Likewise.
37157
37158 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
37159
37160         PR bootstrap/43202
37161         * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
37162         by default.  Don't set the default arch for
37163         i[34567]86-*-darwin*|x86_64-*-darwin*.
37164
37165 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
37166
37167         PR bootstrap/43202
37168         * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
37169         default.  Set the default 32bit/64bit archs with $with_arch
37170         instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
37171
37172 2010-02-27  Richard Guenther  <rguenther@suse.de>
37173
37174         PR tree-optimization/43186
37175         * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
37176         * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
37177         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
37178         unroller iterations.
37179
37180 2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>
37181
37182         * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
37183         required and i[34567]86-*-* targets don't support 64bit ISA.
37184
37185 2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>
37186
37187         PR ada/43096
37188         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
37189         the same alias set.
37190
37191 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
37192
37193         * config.gcc: Set the default arch at least to Prescott for
37194         i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
37195         if SSE math is enabled.
37196
37197 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37198
37199         * diagnostic.c (diagnostic_initialize): Update.
37200         (diagnostic_report_diagnostic): Test inhibit_notes_p for
37201         informative notes.
37202         * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
37203         (diagnostic_inhibit_notes): New.
37204         * toplev.c (process_options): inhibit notes with -fcompare-debug.
37205
37206 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37207
37208         PR c/20631
37209         * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
37210         * doc/standards.texi: Likewise.
37211         * doc/extend.texi: Likewise.
37212         * doc/trouble.texi: Likewise.
37213         * doc/cppopts.texi: Likewise.
37214         * doc/install.texi: Likewise.
37215         * c.opt (std=c90,std=gnu90): New options.
37216         * c-opts.c (c_common_handle_option): Handle them.
37217
37218 2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37219
37220         PR c/24577
37221         * c-decl.c (undeclared_variable): Use an informative note.
37222
37223 2010-02-26  Richard Guenther  <rguenther@suse.de>
37224
37225         PR tree-optimization/43186
37226         * gimple.h (gimple_fold): Remove.
37227         * gimple.c (gimple_fold): Remove.  Inline into single user ...
37228         * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
37229         Try harder for conditions.
37230
37231 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
37232
37233         PR debug/43190
37234         * function.c (used_types_insert): Don't skip through named pointer
37235         types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
37236         and it is different from the main variant's type.
37237
37238 2010-02-26  Nick Clifton  <nickc@redhat.com>
37239
37240         * config/rx/rx.md (sminsi3): Remove bogus alternative.
37241
37242 2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>
37243
37244         * config.gcc: Support --with-fpmath=sse for x86.
37245
37246         * config/i386/ssemath.h: New.
37247
37248         * doc/install.texi (--with-fpmath=sse): Documented.
37249
37250 2010-02-26  Richard Guenther  <rguenther@suse.de>
37251
37252         PR tree-optimization/43188
37253         * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
37254         vector types of over-aligned element type.
37255
37256 2010-02-26  Uros Bizjak  <ubizjak@gmail.com>
37257
37258         PR target/43175
37259         * config/i386/i386.c (expand_vec_perm_blend): Use correct
37260         operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.
37261
37262 2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>
37263
37264         * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
37265
37266 2010-02-26  Jakub Jelinek  <jakub@redhat.com>
37267
37268         * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
37269         * var-tracking.c: Include diagnostic.h.
37270         (debug_dv): New function.
37271         (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
37272
37273         PR debug/43160
37274         * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
37275         (add_value_chain, add_value_chains, remove_value_chain,
37276         remove_value_chains): Handle DEBUG_EXPRs.
37277         (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
37278
37279         PR debug/43161
37280         * regcprop.c (struct queued_debug_insn_change): New type.
37281         (struct value_data_entry): Add debug_insn_changes field.
37282         (struct value_data): Add n_debug_insn_changes field.
37283         (debug_insn_changes_pool): New variable.
37284         (free_debug_insn_changes, apply_debug_insn_changes,
37285         cprop_find_used_regs_1, cprop_find_used_regs): New functions.
37286         (kill_value_one_regno): Call free_debug_insn_changes if needed.
37287         (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
37288         fields.
37289         (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
37290         changes for them.
37291         (copyprop_hardreg_forward_1): Don't call apply_change_group for
37292         DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
37293         changes, call cprop_find_used_regs via note_stores.
37294         (copyprop_hardreg_forward): When copying vd from predecessor
37295         which has any queued DEBUG_INSN changes, make sure the pointers are
37296         cleared.  At the end call df_analyze and then if there are any
37297         DEBUG_INSN changes queued at the end of some basic block for still
37298         live registers, apply them.
37299         (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
37300
37301 2010-02-25  Uros Bizjak  <ubizjak@gmail.com>
37302
37303         * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
37304         (arm*-*-*): Ditto.
37305
37306 2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>
37307
37308         * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
37309         targets.  Set the default with_cpu/with_arch from arch/cpu.
37310         Allow x86-64 and native for with_cpu/with_arch.
37311
37312 2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>
37313
37314         * ebitmap.c: Change calls to verify_popcount with calls to
37315         sbitmap_verify_popcount.
37316         (ebitmap_clear_bit): Fixed map->cacheindex test and
37317         map>cache update when bit clearing results in an empty
37318         element.
37319
37320 2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
37321
37322         PR target/43154
37323         * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
37324         (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
37325         and support both V2DF and V2DI modes.
37326         (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
37327         support both V2DF and V2DI modes.
37328         (general): Delete trailing whitespace from a few patterns.
37329
37330         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
37331         V2DF/V2DI interleave high/low builtins.
37332
37333         * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
37334         new VSX builtins.
37335
37336         * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
37337         interleave high/low functions.
37338
37339 2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
37340
37341         * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
37342         #pragma extern_prefix.
37343
37344 2010-02-25  Jakub Jelinek  <jakub@redhat.com>
37345
37346         PR debug/43166
37347         * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
37348         BLKmode, assert op0 is a MEM and just adjust its mode.
37349
37350         PR debug/43165
37351         * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
37352         if bitpos isn't multiple of mode's bitsize.
37353
37354 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37355
37356         * c.opt (-ftemplate-depth=): New.
37357         (-ftemplate-depth-): Deprecate.
37358         * optc-gen.awk: Handle -ftemplate-depth=.
37359         * opth-gen.awk: Likewise.
37360         * c-opts.c (c_common_handle_option): Likewise.
37361         * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
37362
37363 2010-02-24  Jason Merrill  <jason@redhat.com>
37364
37365         * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
37366
37367 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
37368
37369         * cfg.c (alloc_aux_for_block): Remove inline.
37370         (alloc_aux_for_edge): Likewise.
37371
37372 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
37373
37374         * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
37375
37376 2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
37377
37378         * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
37379         * config/i386/sol2-gas.h: New file.
37380         * config.gcc (i[34567]86-*-solaris2*): Use it.
37381
37382 2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37383
37384         PR c/43128
37385         * c-typeck.c (ep_convert_and_check): New.
37386         (build_conditional_expr): Use it.
37387         (build_binary_op): Likewise.
37388
37389 2010-02-24  Jakub Jelinek  <jakub@redhat.com>
37390
37391         * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
37392
37393         PR debug/43150
37394         * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
37395         bounds even for -O+.
37396         * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
37397         expr needs to have DECL_NAME set.
37398
37399 2010-02-24  Nick Clifton  <nickc@redhat.com>
37400
37401         * config/mep/mep.c: Include gimple.h.
37402         (mep_function_uses_sp): Delete unused function.
37403         (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
37404         parameters.  Use unsigned integers to count args.  Return a
37405         NULL_RTX instead of an error_mark_node.  Toidy up formatting.
37406
37407 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
37408
37409         PR target/43107
37410         * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
37411         greater or equal to nelt instead of 2 * nelt.
37412         (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
37413         with nelt - 1.
37414
37415 2010-02-23  Jason Merrill  <jason@redhat.com>
37416
37417         PR debug/42800
37418         * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
37419         in cfun->local_decls even if they have register types.
37420
37421         PR c++/42837
37422         * stor-layout.c (place_field): Don't warn about unnecessary
37423         DECL_PACKED if the type is packed.
37424
37425 2010-02-23  Jakub Jelinek  <jakub@redhat.com>
37426
37427         PR target/43139
37428         * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
37429         GOTOFF relocs, even when the base reg isn't pic pointer.
37430
37431 2010-02-23  Michael Matz  <matz@suse.de>
37432
37433         PR debug/43077
37434         * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
37435         (expand_gimple_basic_block): Generate and use debug temps if there
37436         are debug uses left after the last real use of TERed ssa names.
37437         Unlink debug immediate uses when they are expanded.
37438
37439 2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37440
37441         PR 43123
37442         * config/i386/i386.c (override_options): Reorganise to provide
37443         better error messages.
37444
37445 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
37446
37447         PR middle-end/43083
37448         * graphite-scop-detection.c (create_single_exit_edge): Move
37449         the call to find_single_exit_edge to....
37450         (create_sese_edges): ...here.  Don't handle multiple edges
37451         exiting the function.
37452         (build_graphite_scops): Don't handle multiple edges
37453         exiting the function.
37454
37455 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
37456
37457         PR middle-end/43097
37458         * sese.c (get_rename): Assert that old_name is an SSA_NAME.
37459         (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
37460
37461 2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>
37462
37463         PR middle-end/43026
37464         * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
37465
37466 2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37467
37468         PR c++/43126
37469         * c-typeck.c (convert_arguments): Print declaration location.
37470         * c-common.c (validate_nargs): Rename as
37471         builtin_function_validate_nargs.
37472         (check_builtin_function_arguments): Update.
37473
37474 2010-02-22  Richard Guenther  <rguenther@suse.de>
37475
37476         PR lto/43045
37477         * tree-inline.c (declare_return_variable): Use the type of
37478         the call stmt lhs if available.
37479
37480 2010-02-22  Duncan Sands  <baldrick@free.fr>
37481
37482         * passes.c (register_pass): Always consider all pass lists when
37483         ref_pass_instance_number is zero.
37484
37485 2010-02-22  Richard Guenther  <rguenther@suse.de>
37486
37487         PR tree-optimization/42749
37488         * tree-tailcall.c (adjust_return_value_with_ops): Drop update
37489         parameter.  Do arithmetic in the original type.
37490         (update_accumulator_with_ops): Likewise.
37491         (adjust_accumulator_values): Adjust.
37492
37493 2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
37494
37495         * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
37496         (QI to BLKmode splitter): New splitter.
37497
37498 2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>
37499
37500         * config/i386/i386.c (initial_ix86_tune_features): Turn on
37501         X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
37502
37503 2010-02-22  Richard Guenther  <rguenther@suse.de>
37504
37505         * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
37506
37507 2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>
37508
37509         Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
37510         * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
37511         ($(T)crti.o, $(T)crtn.o): Remove rules.
37512
37513 2010-02-21  Tobias Burnus  <burnus@net-b.de>
37514
37515         PR fortran/35259
37516         * doc/invoke.texi (-fassociative-math): Document that this
37517         option is automatically enabled for Fortran.
37518
37519 2010-02-20  David S. Miller  <davem@davemloft.net>
37520
37521         * configure.ac: Test if linker and assembler properly support
37522         GOTDATA_OP relocations.
37523         * configure: Rebuild.
37524         * config.in: Likewise.
37525         * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
37526         (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
37527         (movsi_high_pic): Likewise.
37528         (movdi_lo_sum_pic): Likewise.
37529         (movdi_high_pic): Likewise.
37530         (movsi_pic_gotdata_op): New pattern.
37531         (movdi_pic_gotdata_op): Likewise.
37532         * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
37533         emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
37534
37535 2010-02-20  Uros Bizjak  <ubizjak@gmail.com>
37536
37537         PR target/43067
37538         * config/i386/sse.md (xop_mulv2div2di3_low): Change type
37539         attribute to ssemul.
37540         (xop_mulv2div2di3_high): Ditto.
37541
37542 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37543
37544         PR c++/35669
37545         * c.opt (Wconversion-null): New option.
37546         * doc/invoke.texi (Wconversion-null): Document.
37547
37548 2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37549
37550         * common.opt (Wlarger-than-): Add Undocumented.
37551
37552 2010-02-19  Mike Stump  <mikestump@comcast.net>
37553
37554         * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
37555
37556 2010-02-19  Jason Merrill  <jason@redhat.com>
37557
37558         PR target/40332
37559         * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
37560         * configure: Likewise.
37561
37562 2010-02-20  Alan Modra  <amodra@gmail.com>
37563
37564         PR middle-end/42344
37565         * cgraph.h (cgraph_make_decl_local): Declare.
37566         * cgraph.c (cgraph_make_decl_local): New function.
37567         (cgraph_make_node_local): Use it.
37568         * cgraphunit.c (cgraph_function_versioning): Likewise.
37569         * ipa.c (function_and_variable_visibility): Likewise.
37570
37571 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
37572
37573         PR bootstrap/43121
37574         * except.c (sjlj_emit_function_enter): Don't call
37575         add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
37576         directly.
37577         * rtl.h (add_reg_br_prob_note): Remove prototype.
37578
37579 2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
37580
37581         PR 41779
37582         * c-common.c (conversion_warning): Remove widening conversions
37583         before checking the conversion of integers to reals.
37584
37585 2010-02-19  Mike Stump  <mikestump@comcast.net>
37586
37587         PR middle-end/43125
37588         * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
37589
37590         PR objc/43061
37591         * cgraphunit.c (process_function_and_variable_attributes): Check
37592         DECL_PRESERVE_P instead of looking up attribute "used".
37593         * ipa-pure-const.c (check_decl): Likewise.
37594         * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
37595         * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
37596         * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
37597         instead of attribute "used".
37598         * config/sol2-c.c (solaris_pragma_init): Likewise.
37599         (solaris_pragma_fini): Likewise.
37600
37601 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
37602
37603         * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
37604         Use XCNEW instead of xcalloc.
37605         (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
37606         XNEW instead of xmalloc.
37607         (get_fields): Use XNEWVEC instead of xmalloc.
37608
37609         PR debug/43084
37610         * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
37611         populate vars array.
37612         (create_new_general_access): For debug stmts just reset value.
37613         (get_stmt_accesses): For accesses within debug stmts just record them
37614         using add_access_to_acc_sites instead of preventing the peeling or
37615         counting them as accesses.
37616
37617         PR middle-end/42233
37618         * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
37619
37620 2010-02-19  Richard Guenther  <rguenther@suse.de>
37621
37622         PR tree-optimization/42916
37623         * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
37624         instructions.
37625
37626 2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>
37627
37628         * configure.ac: Replace all uses of changequote in macro arguments
37629         with proper quoting.
37630
37631 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
37632
37633         PR middle-end/42233
37634         * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
37635
37636 2010-02-19  Richard Guenther  <rguenther@suse.de>
37637
37638         PR tree-optimization/42944
37639         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
37640         test for aliasing with errno.
37641
37642 2010-02-19  Jakub Jelinek  <jakub@redhat.com>
37643
37644         PR middle-end/42233
37645         * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
37646         do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
37647         * dojump.c: Include output.h.
37648         (inv): New inline function.
37649         (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
37650         do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
37651         do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
37652         do_jump_by_parts_equality, do_compare_and_jump): Add PROB
37653         argument, pass it down to other calls.
37654         (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
37655         add REG_BR_PROB note to the conditional jump.
37656         * cfgexpand.c (add_reg_br_prob_note): Removed.
37657         (expand_gimple_cond): Don't call it, add the probability
37658         as last argument to jumpif_1/jumpifnot_1.
37659         * Makefile.in (dojump.o): Depend on output.h.
37660         * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
37661         callers.
37662         * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
37663         * stmt.c (do_jump_if_equal): Likewise.
37664         * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
37665         * loop-unswitch.c (compare_and_jump_seq): Likewise.
37666         * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
37667         Likewise.
37668         * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
37669         * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
37670         jumpifnot_1 callers.
37671         (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
37672         callers.
37673         (store_expr): Adjust jumpifnot caller.
37674         (store_constructor): Adjust jumpif caller.
37675
37676         PR middle-end/42233
37677         * gimplify.c (gimple_boolify): For __builtin_expect call
37678         gimple_boolify also on its first argument.
37679
37680 2010-02-18  Uros Bizjak  <ubizjak@gmail.com>
37681
37682         * configure.ac (gnu-unique-object): Wrap regexps using [] in
37683         changequote block.
37684         (__stack_chk_fail): Ditto.  Remove quadrigraphs.
37685         * configure: Regenerated.
37686
37687 2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
37688
37689         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
37690         lang_hooks.types_compatible_p instead of comptypes.
37691
37692 2010-02-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>
37693
37694         * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
37695         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
37696         if __prefer_thumb__ is defined.
37697
37698 2010-02-18  Martin Jambor  <mjambor@suse.cz>
37699
37700         PR tree-optimization/43066
37701         * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
37702         array with zero-sized element type.
37703
37704 2010-02-18  Jakub Jelinek  <jakub@redhat.com>
37705
37706         * dwarf2out.c (add_var_loc_to_decl): Change last argument to
37707         rtx, allocate struct var_loc_node here and return it to the
37708         caller, and only if it is actually needed.
37709         (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
37710         move it earlier and return immediately if it returns NULL.
37711
37712 2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>
37713
37714         * config/sparc/gas.h: New file.  Restore
37715         TARGET_ASM_NAMED_SECTION to its ELF default.
37716         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
37717         check !HAVE_GNU_AS.
37718         * config/sparc/sparc.c (sparc_elf_asm_named_section):
37719         Likewise.  Add ATTRIBUTE_UNUSED to prototype.
37720         * config.gcc (sparc*-*-linux*): Include sparc/gas.h
37721         after sparc/sysv4.h.
37722
37723 2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>
37724
37725         * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
37726
37727 2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>
37728
37729         * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
37730         patterns from predicated pattern.
37731
37732 2010-02-17  Uros Bizjak  <ubizjak@gmail.com>
37733
37734         PR target/43103
37735         * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
37736         for insn mnemonic suffix.
37737
37738 2010-02-17  Richard Guenther  <rguenther@suse.de>
37739
37740         * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
37741         to loop PHI nodes.
37742
37743 2010-02-17  Jakub Jelinek  <jakub@redhat.com>
37744
37745         PR debug/42918
37746         * caller-save.c (save_call_clobbered_regs): If BB ends with
37747         a DEBUG_INSN, move any notes in between last real insn and the last
37748         DEBUG_INSN after the last DEBUG_INSN.
37749
37750 2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>
37751
37752         * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
37753         Fix return type.  Fix argument type.  Explain meaning of return value.
37754
37755 2010-02-16  Richard Guenther  <rguenther@suse.de>
37756
37757         PR tree-optimization/41043
37758         * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
37759         (vrp_visit_assignment_or_call): Do not ask SCEV for regular
37760         statements ...
37761         (vrp_visit_phi_node): ... but only for loop PHI nodes.
37762
37763 2010-02-16  Ira Rosen  <irar@il.ibm.com>
37764
37765         PR tree-optimization/43074
37766         * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
37767         * tree-vect-loop.c (vect_analyze_loop_operations): Add
37768         vectorizable cycles in hybrid SLP check.
37769         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
37770
37771 2010-02-16  Richard Guenther  <rguenther@suse.de>
37772
37773         * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
37774         (true_dependence): If memrefs_conflict_p computes must-alias
37775         trust it.  Move TBAA check after offset-based disambiguation.
37776         (canon_true_dependence): Likewise.
37777
37778 2010-02-16  Alexandre Oliva  <aoliva@redhat.com>
37779
37780         * params.def (PARAM_MAX_VARTRACK_SIZE): New.
37781         * doc/invoke.texi: Document it.
37782         * var-tracking.c: Include toplev.h and params.h.
37783         (vt_find_locations): Return bool indicating success.  Compute
37784         hash sizes unconditionally.  Check new parameter, report.
37785         (variable_tracking_main_1): Check vt_find_locations results and
37786         retry.  Renamed from...
37787         (variable_tracking_main): ... this.  New wrapper to preserve
37788         flag_var_tracking_assignments.
37789         * Makefile.in (var-tracking.o): Adjust dependencies.
37790
37791 2010-02-16  Jack Howarth  <howarth@bromo.med.uc.edu>
37792             Jakub Jelinek  <jakub@redhat.com>
37793
37794         PR target/42854
37795         * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
37796         if weak_import attribute is present.
37797         * config/darwin.c (machopic_select_section): Likewise.
37798
37799 2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>
37800
37801         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
37802         (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
37803         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
37804         (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
37805
37806         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
37807         types.
37808
37809         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
37810         Fix argument types.
37811
37812         * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
37813         Rewrite text to refer to the names.
37814
37815 2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>
37816
37817         * config/i386/i386-builtin-types.def
37818         (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
37819         (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
37820         (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
37821         (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
37822         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
37823         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
37824         IX86_BUILTIN_VPERMIL2PS256.
37825         (MULTI_ARG_4_DF2_DI_I): Defined.
37826         (MULTI_ARG_4_DF2_DI_I1): Defined.
37827         (MULTI_ARG_4_SF2_SI_I): Defined.
37828         (MULTI_ARG_4_SF2_SI_I1): Defined.
37829         (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
37830         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
37831         __builtin_ia32_vpermil2ps256.
37832         (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
37833         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
37834         MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
37835         (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
37836         MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
37837         MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
37838         CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
37839         CODE_FOR_xop_vpermil2v8sf3.
37840         * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
37841         * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
37842         * config/i386/xopintrin.h (_mm_permute2_pd): New.
37843         (_mm256_permute2_pd): New.
37844         (_mm_permute2_ps): New.
37845         (_mm256_permute2_ps): New.
37846
37847 2010-02-15  Nick Clifton  <nickc@redhat.com>
37848
37849         * config/h8300/h8300.c (h8300_push_pop): Use bool type for
37850         boolean parameters.  Use emit_jump_insn when emitting a pop
37851         instruction containing a return insn.
37852         (push): Use 'true' rather than '1' as second parameter to F.
37853         (h8300_expand_prologue): Likewise.
37854         Use 'true' and 'false' for boolean parameters to h8300_push_pop.
37855         (h8300_expand_epilogue): Likewise.
37856
37857 2010-02-15  Richard Guenther  <rguenther@suse.de>
37858
37859         PR middle-end/43068
37860         * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
37861         if that is zero.
37862
37863 2010-02-15  Nick Clifton  <nickc@redhat.com>
37864
37865         * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
37866         delta.
37867
37868 2010-02-14  Marco Poletti  <poletti.marco@gmail.com>
37869
37870         * intl.c (fake_ngettext): New function.
37871         * intl.h (fake_ngettext): Declare.
37872         (ngettext): Define macro.
37873         * collect2.c (notice_translated): New function.
37874         (main): Use notice_translated and ngettext.
37875         * collect2.h (notice_translated): Declare.
37876
37877 2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>
37878
37879         * reorg.c (delete_computation): Comment fixes.
37880         * caller-save.c (setup_save_areas): Idem.
37881         * sel-sched-dump.c (dump_lv_set): Idem.
37882         * rtl.def: Idem.
37883
37884 2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
37885
37886         * config/s390/s390.c (s390_sched_init): New function.
37887         (TARGET_SCHED_INIT): Target hook defined.
37888
37889 2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
37890             Jack Howarth  <howarth@bromo.med.uc.edu>
37891             Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
37892
37893         PR target/42982
37894         Partial revert of unintended change in fix for PR41605.
37895         * config/darwin.h: Fix typo.
37896         * config/darwin9.h: Same.
37897
37898 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
37899
37900         * c-pch.c (pch_init): Clear v.
37901
37902 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
37903
37904         PR middle-end/42930
37905         * graphite-scop-detection.c (graphite_can_represent_scev): Call
37906         graphite_can_represent_init for MULT_EXPR.
37907
37908 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
37909
37910         PR middle-end/42914
37911         PR middle-end/42530
37912         * graphite-sese-to-poly.c (remove_phi): New.
37913         (translate_scalar_reduction_to_array): Call remove_phi.
37914
37915 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
37916
37917         PR middle-end/42771
37918         * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
37919         * graphite-clast-to-gimple.h (gloog): Update declaration.
37920         * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
37921         * graphite-poly.h (struct poly_bb): Add missing comments.
37922         (struct scop): Add poly_scop_p field.
37923         (POLY_SCOP_P): New.
37924         * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
37925         * graphite.c (graphite_transform_loops): Build the polyhedral
37926         representation for each scop before code generation.
37927         * sese.c (rename_variables_in_operand): Removed.
37928         (rename_variables_in_expr): Return the renamed expression.
37929         (rename_sese_parameters): New.
37930         * sese.h (rename_sese_parameters): Declared.
37931
37932 2010-02-11  Richard Guenther  <rguenther@suse.de>
37933
37934         PR tree-optimization/42998
37935         * tree-ssa-pre.c (create_expression_by_pieces): Treat
37936         POINTER_PLUS_EXPR properly.
37937
37938 2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
37939             Changpeng Fang  <changpeng.fang@amd.com>
37940
37941         PR middle-end/40886
37942         * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
37943         the cost of an IV candidate when the IV is used in a test against zero.
37944
37945         * gcc.dg/tree-ssa/ivopts-3.c: New.
37946
37947 2010-02-11  Richard Guenther  <rguenther@suse.de>
37948
37949         PR lto/41664
37950         * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
37951         pointer-vs-decl case by swapping refs.  Handle some cases
37952         of pointer-vs-decl disambiguations more conservatively.
37953         * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
37954         to false after expanding.
37955
37956 2010-02-11  Richard Guenther  <rguenther@suse.de>
37957
37958         PR driver/43021
37959         * gcc.c (process_command): Handle LTO file@offset case more
37960         appropriately.
37961
37962 2010-02-11  Jakub Jelinek  <jakub@redhat.com>
37963
37964         * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
37965         modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
37966         of DEBUG_INSNs.
37967         (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
37968
37969         * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
37970         if MEM's mode size isn't DWARF2_ADDR_SIZE.
37971         (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
37972         Optimize eq/ne comparisons when both arguments are known to be
37973         zero-extended.
37974         (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
37975         Don't mask operands unnecessarily if they are known to be already
37976         zero-extended.
37977
37978 2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
37979
37980         * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
37981         instead of loop.
37982
37983 2010-02-10  Richard Guenther  <rguenther@suse.de>
37984
37985         PR tree-optimization/43017
37986         * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
37987         for wrapping signed arithmetic.
37988
37989 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
37990
37991         PR debug/43010
37992         * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
37993         if no debug info should be emitted for it.
37994
37995 2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
37996
37997         * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
37998         note when flag_exceptions is set.
37999
38000 2010-02-10  Duncan Sands  <baldrick@free.fr>
38001
38002         * Makefile.in (PLUGIN_HEADERS): Add debug.h.
38003
38004 2010-02-10  Richard Guenther  <rguenther@suse.de>
38005
38006         PR c/43007
38007         * tree.c (get_unwidened): Handle constants.
38008         * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
38009
38010 2010-02-10  Martin Jambor  <mjambor@suse.cz>
38011
38012         PR lto/42985
38013         * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
38014         check for variable argument counts independently.
38015
38016 2010-02-10  Christian Bruel  <christian.bruel@st.com>
38017
38018         PR target/42841
38019         * config/sh/sh.c (find_barrier): Increase length for non delayed
38020         conditional branches.
38021
38022 2010-02-10  Christian Bruel  <christian.bruel@st.com>
38023
38024         * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
38025
38026 2010-02-10  Jakub Jelinek  <jakub@redhat.com>
38027
38028         * builtins.c (set_builtin_user_assembler_name): Also handle
38029         ffs if int is smaller than word.
38030
38031 2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
38032
38033         PR middle-end/42973
38034         * ira-conflicts.c (get_dup): Remove.
38035         (process_reg_shuffles): Add new parameter.  Use it as an
38036         additional guard for copy generation.
38037         (add_insn_allocno_copies): Rewrite.
38038
38039 2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
38040
38041         * common.opt (fsched2-use-traces): Preserved for backward
38042         compatibility.
38043         * doc/invoke.texi: Remove the documentation about option
38044         -fsched2-use-traces.
38045         * sched-rgn.c (rest_of_handle_sched2): Remove usage of
38046         flag_sched2_use_traces.
38047         * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
38048         the backward compatibility flag section.
38049
38050 2010-02-09  Richard Guenther  <rguenther@suse.de>
38051
38052         PR tree-optimization/43008
38053         * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
38054         make HEAP variables initialized from global memory if they
38055         are not known builtin functions.
38056         (find_func_aliases): Adjust.
38057
38058 2010-02-09  Richard Guenther  <rguenther@suse.de>
38059
38060         PR tree-optimization/43000
38061         * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
38062         arithmetic manually.
38063
38064 2010-02-08  Jakub Jelinek  <jakub@redhat.com>
38065
38066         PR tree-optimization/42931
38067         * tree-loop-linear.c (try_interchange_loops): Don't call
38068         double_int_mul if estimated_loop_iterations failed.
38069
38070 2010-02-08  Martin Jambor  <mjambor@suse.cz>
38071
38072         PR middle-end/42898
38073         * tree-sra.c (build_accesses_from_assign): Do not mark in
38074         should_scalarize_away_bitmap if stmt has volatile ops.
38075         (sra_modify_assign): Do not process assigns piecemeal if if stmt
38076         has volatile ops.
38077
38078 2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
38079
38080         * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
38081
38082 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
38083
38084         * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
38085         before the pattern.
38086
38087 2010-02-07  Andrew Pinski  <pinskia@gmail.com>
38088
38089         PR middle-end/42946
38090         * df-core.c (df_finish_pass): Change type of saved_flags to int.
38091
38092 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
38093
38094         PR middle-end/42988
38095         * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
38096         to unknown_dependence.
38097         (graphite_legal_transform_dr): Handle the unknown_dependence.
38098         (graphite_carried_dependence_level_k): Same.
38099
38100 2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
38101
38102         * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
38103
38104 2010-02-07  Richard Guenther  <rguenther@suse.de>
38105
38106         PR middle-end/42991
38107         * expr.c (get_inner_reference): Always initialize *pbitsize.
38108
38109 2010-02-07  Richard Guenther  <rguenther@suse.de>
38110
38111         PR middle-end/42956
38112         * gimplify.c (gimple_fold_indirect_ref): Avoid generating
38113         new ARRAY_REFs on variable size element or minimal index arrays.
38114         Complete.
38115         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
38116         gimple_fold_indirect_ref.
38117
38118 2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
38119
38120         PR target/42957
38121         * arm.c (arm_override_options): Just return if the user has specified
38122         an invalid fpu name.
38123
38124 2010-02-03  Jason Merrill  <jason@redhat.com>
38125
38126         PR c++/42870
38127         * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
38128         i386_pe_maybe_record_exported_symbol.
38129
38130 2010-02-05  Steve Ellcey  <sje@cup.hp.com>
38131
38132         PR target/42924
38133         * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
38134         (pa_delegitimize_address): New function.
38135
38136 2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
38137
38138         * config/i386/msformat-c.c (ms_printf_length_specs): Set the
38139         scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
38140
38141 2010-02-05  Richard Guenther  <rguenther@suse.de>
38142
38143         PR lto/42762
38144         * lto-streamer-in.c (get_resolution): Deal with references
38145         to undefined functions.
38146
38147 2010-02-05  Richard Guenther  <rguenther@suse.de>
38148
38149         * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
38150         (fold_const_aggregate_ref): Likewise.
38151         (ccp_fold_stmt): Substitute loads.
38152         (maybe_fold_reference): Verify types before substituting.
38153         Unshare properly.
38154         (fold_gimple_assign): Unshare properly.
38155         (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
38156
38157 2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
38158
38159         * config/rs6000/rs6000.c (rs6000_override_options): Invert check
38160         for rs6000_gen_cell_microcode.
38161
38162 2010-02-04  Richard Guenther  <rguenther@suse.de>
38163
38164         PR rtl-optimization/42952
38165         * dse.c (const_or_frame_p): Remove MEM handling.
38166
38167 2010-02-04  Nick Clifton  <nickc@redhat.com>
38168
38169         * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
38170         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
38171         (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
38172         (mn10300_asm_output_mi_thunk): New function.
38173         (mn10300_can_output_mu_thunk): New function.
38174         * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
38175         (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
38176         (FUNCTION_ARG): Delete incorrect comment.
38177
38178 2010-02-03  Jason Merrill  <jason@redhat.com>
38179
38180         PR c++/40138
38181         * fold-const.c (operand_equal_p): Handle erroneous types.
38182
38183 2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
38184
38185         * config/h8300/h8300.md (can_delay): Fix attibute condition.
38186
38187 2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
38188
38189         PR rtl-optimization/42941
38190         * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
38191         of xmalloc.
38192
38193 2010-02-03  Jason Merrill  <jason@redhat.com>
38194
38195         PR c++/35652
38196         * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
38197
38198 2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
38199
38200         PR debug/42896
38201         * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
38202         (cselib_reset_table): Renamed from...
38203         (cselib_reset_table_with_next_value): ... this.
38204         (cselib_get_next_uid): Renamed from...
38205         (cselib_get_next_unknown_value): ... this.
38206         * cselib.c (next_uid): Renamed from...
38207         (next_unknown_value): ... this.
38208         (cselib_clear_table): Adjust.
38209         (cselib_reset_table): Adjust.  Renamed from...
38210         (cselib_reset_table_with_next_value): ... this.
38211         (cselib_get_next_uid): Adjust.  Renamed from...
38212         (cselib_get_next_unknown_value): ... this.
38213         (get_value_hash): Use hash.
38214         (cselib_hash_rtx): Likewise.
38215         (new_cselib_val): Adjust.  Set and dump uid.
38216         (cselib_lookup_mem): Pass next_uid as hash.
38217         (cselib_subst_to_values): Likewise.
38218         (cselib_log_lookup): Dump uid.
38219         (cselib_lookup): Pass next_uid as hash.  Adjust.
38220         (cselib_process_insn): Adjust.
38221         (cselib_init): Initialize next_uid.
38222         (cselib_finish): Adjust.
38223         (dump_cselib_table): Likewise.
38224         * dse.c (canon_address): Dump value uid.
38225         * print-rtl.c (print_rtx): Print value uid.
38226         * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
38227         (dvuid): New type.
38228         (dv_uid): New function, sort of renamed from...
38229         (dv_htab_hash): ... this, reimplemented in terms of it and...
38230         (dv_uid2hash): ... this.  New.
38231         (variable_htab_eq): Drop excess assertions.
38232         (tie_break_pointers): Removed.
38233         (canon_value_cmp): Compare uids.
38234         (variable_post_merge_New_vals): Print uids.
38235         (vt_add_function_parameters): Adjust.
38236         (vt_initialize): Reset table.  Adjust.
38237
38238 2010-02-03  Richard Guenther  <rguenther@suse.de>
38239
38240         PR tree-optimization/42944
38241         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
38242         (call_may_clobber_ref_p_1): Likewise.  Properly handle
38243         malloc and calloc clobbering errno.
38244
38245 2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
38246
38247         * doc/invoke.texi: Fix name of sched1 dump.
38248
38249         * opts.c (decode_options): Set flag_tree_switch_conversion
38250         only conditionally on optimize >= 2.
38251
38252         * gcse.c: Assorted comment fixes in pass description.
38253
38254 2010-02-03  Anthony Green  <green@moxielogic.com>
38255
38256         * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
38257         nop padding in order to maintain alignment of storage location of
38258         target function address.
38259         (moxie_trampoline_init): Store target function address at newly
38260         aligned location.
38261         * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
38262         to 32.
38263         (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
38264
38265 2010-02-03  Richard Guenther  <rguenther@suse.de>
38266
38267         PR middle-end/42927
38268         * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
38269
38270 2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
38271
38272         * config.gcc: Reenable check for obsolete targets.
38273         Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
38274         mips-sgi-irix6.[0-4]*.
38275
38276 2010-02-02  Nick Clifton  <nickc@redhat.com>
38277
38278         * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
38279         constant size of 4 as being the same as 0.
38280         * doc/invoke.texi (RX Options): Document that -mmax-constant-size
38281         can take values in the range 0..4.
38282
38283 2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
38284
38285         PR java/41991
38286         * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
38287         as _darwin10_Unwind_FindEnclosingFunction().
38288         * libgcc-libsystem.ver: New.
38289
38290 2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
38291
38292         PR target/41399
38293         * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
38294         implicitly set registers.
38295
38296 2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
38297
38298         * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
38299         (arm_override_options): Allow automatic selection of the thread
38300         pointer register if thumb2.
38301         (legitimize_pic_address): Improve code sequences for Thumb2.
38302         (arm_call_tls_get_addr): Likewise.
38303         (legitimize_tls_address): Likewise.
38304         * arm.md (pic_load_addr_arm): Delete.  Replace with ...
38305         (pic_load_addr_32bit): ... this.  New named pattern.
38306         * thumb2.md (pic_load_addr_thumb2): Delete.
38307         (pic_load_dot_plus_four): Delete.
38308         (tls_load_dot_plus_four): New named pattern.
38309
38310 2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
38311
38312         PR libgomp/29986
38313         * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
38314         Document fix for TLS bug.
38315
38316 2010-01-31  Richard Guenther  <rguenther@suse.de>
38317
38318         * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
38319         conservatively correct.
38320
38321 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
38322
38323         PR target/42850
38324         Revert:
38325         2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
38326
38327         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
38328
38329 2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
38330
38331         * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
38332
38333 2010-01-31  Kai Tietz  <kai.tietz@onevision.com>
38334
38335         * config.gcc: Adjust order of makefile fragments for mingw targets.
38336
38337 2010-01-31  Richard Guenther  <rguenther@suse.de>
38338
38339         PR middle-end/42898
38340         * gimplify.c (gimplify_init_constructor): For volatile LHS
38341         initialize a temporary.
38342
38343 2010-01-31  Matthias Klose  <doko@ubuntu.com>
38344
38345         * configure.ac: Fix __stack_chk_fail check for cross builds configured
38346         --with-headers
38347         * configure: Regenerate.
38348
38349 2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>
38350
38351         * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
38352         the same alias set and their sizes different constantness.
38353         (aliasing_component_refs_p): Revert 2009-10-24 change.
38354
38355 2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
38356
38357         * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
38358         unused.
38359
38360 2010-01-29  Richard Guenther  <rguenther@suse.de>
38361
38362         * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
38363         Assert we successfully updated the call.
38364
38365 2010-01-29  Jakub Jelinek  <jakub@redhat.com>
38366
38367         PR rtl-optimization/42889
38368         * df.h (df_set_bb_dirty_nonlr): New prototype.
38369         * df-core.c (df_set_bb_dirty_nonlr): New function.
38370         * df-scan.c (df_insn_rescan): Call it instead of
38371         df_set_bb_dirty for DEBUG_INSNs.
38372
38373 2010-01-29  Richard Guenther  <rguenther@suse.de>
38374
38375         PR middle-end/37448
38376         * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
38377         quadratic behavior in most cases.
38378
38379 2010-01-28  Uros Bizjak  <ubizjak@gmail.com>
38380
38381         PR target/42891
38382         * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
38383         in the call to gen_x86_movsicc_0_m1.
38384
38385 2010-01-28  Richard Guenther  <rguenther@suse.de>
38386
38387         PR tree-optimization/42871
38388         * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
38389
38390 2010-01-28  Richard Guenther  <rguenther@suse.de>
38391
38392         * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
38393         into call arguments.
38394
38395 2010-01-28  Richard Guenther  <rguenther@suse.de>
38396
38397         PR middle-end/42883
38398         * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
38399         the forwarder if the destination is an EH landing pad.
38400
38401 2010-01-28  Razya Ladelsky  <razya@il.ibm.com>
38402
38403         * tree-parloops.c (transform_to_exit_first_loop): Update the basic
38404         block list passed to gimple_duplicate_sese_tail.
38405         (parallelize_loops): Avoid parallelization when the function
38406         has_nonlocal_label.
38407         Avoid parallelization when the preheader is IRREDUCIBLE.
38408         Try to optimize when estimated_loop_iterations_int is unresolved.
38409         Add the loop's location to the dump file.
38410         * tree-cfg.c (add_phi_args_after_redirect): Remove.
38411         (gimple_duplicate_sese_tail): Remove the check for the latch.
38412         Redirect nexits to the exit block.
38413         Remove handling of the incoming edges to the latch.
38414         Redirect the backedge from the copied latch to the exit bb.
38415
38416 2010-01-28  Michael Matz  <matz@suse.de>
38417
38418         PR target/42881
38419         * config/i386/i386.c (ix86_expand_vector_init_duplicate):
38420         Wrap force_reg into a sequence, emit it before user.
38421
38422 2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>
38423
38424         * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
38425         (arm_rev): New.
38426         (arm_legacy_rev): Likewise.
38427         (thumb_legacy_rev): Likewise.
38428
38429 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
38430
38431         * dwarf2out.c (mem_loc_descriptor): Remove special casing of
38432         CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
38433         on MEM's address failed, try avoid_constant_pool_reference and
38434         recurse if it returned something different.
38435         (loc_descriptor): If for MEM mem_loc_descriptor failed on the
38436         address, try avoid_constant_pool_reference and recurse if it
38437         returned something different.
38438         (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
38439         address and avoid_constant_pool_reference returned something
38440         different, don't set have_address.
38441
38442 2010-01-27  Alexandre Oliva  <aoliva@redhat.com>
38443
38444         PR debug/42861
38445         * var-tracking.c (val_store): Add modified argument, obey it.
38446         Adjust callers.
38447         (count_uses): Move down logging of main.
38448         (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
38449         don't need resolution.
38450         (emit_notes_in_bb): Likewise.
38451
38452 2010-01-27  Richard Guenther  <rguenther@suse.de>
38453
38454         PR middle-end/42878
38455         * tree-inline.c (remap_decl): Delay remapping of SSA name
38456         default definitions until we need them.
38457
38458 2010-01-27  Jakub Jelinek  <jakub@redhat.com>
38459
38460         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
38461         (rs6000_delegitimize_address): New function.
38462
38463         * config/s390/s390.c (s390_delegitimize_address): Call
38464         delegitimize_mem_from_attrs.
38465
38466         PR middle-end/42874
38467         * tree-inline.c (cannot_copy_type_1): Removed.
38468         (copy_forbidden): Don't forbid copying of functions containing
38469         records/unions with variable length fields.
38470
38471 2010-01-27  Christian Bruel  <christian.bruel@st.com>
38472
38473         Revert:
38474         PR target/42841
38475         * config/sh/sh.c (find_barrier): Increase length for non delayed
38476         conditional branches.
38477
38478 2010-01-27  Matthias Klose  <doko@ubuntu.com>
38479
38480         * configure.ac (gnu-unique-object): Fix ldd version check.
38481         * configure: Regenerate.
38482
38483 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
38484
38485         * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
38486         HAVE_GNU_AS value.
38487         * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
38488         Test for HAVE_GNU_AS value.
38489
38490 2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
38491
38492         * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
38493         * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
38494         INT64_TYPE): Define.
38495         (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
38496         (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
38497         INT_LEAST64_TYPE): Define.
38498         (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
38499         UINT_LEAST64_TYPE): Define.
38500         (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
38501         INT_FAST64_TYPE): Define.
38502         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
38503         UINT_FAST64_TYPE): Define.
38504         (INTMAX_TYPE, UINTMAX_TYPE): Define.
38505         (INTPTR_TYPE, UINTPTR_TYPE): Define.
38506         (SIG_ATOMIC_TYPE): Define.
38507
38508 2010-01-26  Richard Guenther  <rguenther@suse.de>
38509
38510         * df-scan.c (df_scan_set_bb_info): Remove assert.
38511         (df_insn_rescan_debug_internal): Merge asserts.
38512         (df_install_ref): Likewise.
38513         (df_mark_reg): Use bitmap_set_range.
38514         (df_hard_reg_used_p): Remove assert.
38515         (df_hard_reg_used_count): Likewise.
38516
38517 2010-01-26  Richard Guenther  <rguenther@suse.de>
38518
38519         PR rtl-optimization/42685
38520         * web.c (web_main): Ignore DEBUG_INSNs.
38521
38522 2010-01-26  Joern Rennecke  <amylaar@spamcop.net>
38523
38524         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
38525
38526         (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
38527         Fix types of fndecl and arglist parameters.
38528
38529 2010-01-26  Richard Guenther  <rguenther@suse.de>
38530
38531         PR middle-end/42806
38532         * tree-eh.c (unsplit_eh): Skip debug insns.
38533
38534 2010-01-26  Richard Guenther  <rguenther@suse.de>
38535
38536         PR tree-optimization/42250
38537         * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
38538
38539 2010-01-26  Jakub Jelinek  <jakub@redhat.com>
38540
38541         PR fortran/42866
38542         * omp-low.c (expand_omp_sections): Only use single_pred if
38543         l2_bb is single_pred_p.
38544
38545 2010-01-25  Christian Bruel  <christian.bruel@st.com>
38546
38547         PR target/42841
38548         * config/sh/sh.c (find_barrier): Increase length for non delayed
38549         conditional branches.
38550         (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
38551
38552 2010-01-24  David S. Miller  <davem@davemloft.net>
38553
38554         * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
38555         define if not using GAS.
38556         * config/sparc/sparc.c (sparc_elf_asm_named_section):
38557         Likewise.  Delete SECTION_MERGE code, which is only applicable
38558         when using GAS.
38559
38560 2010-01-24  Mark Mitchell  <mark@codesourcery.com>
38561
38562         PR c++/42748
38563         * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
38564         mangling of va_list in system headers.
38565
38566 2010-01-23  Toon Moene  <toon@moene.org>
38567
38568         * tree-predcom.c (combine_chains): Return NULL, not false.
38569
38570 2010-01-23  Joern Rennecke  <amylaar@spamcop.net>
38571
38572         * tree-loop-distribution.c (distribute_loop): Fix declaration and
38573         initialization of variable res to agree with return type.
38574
38575 2010-01-22  Steve Ellcey  <sje@cup.hp.com>
38576
38577         * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
38578         * tree-sra.c: Add include of expr.h.
38579
38580 2010-01-22  Jakub Jelinek  <jakub@redhat.com>
38581
38582         * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
38583         insert the debug stmt on the single non-EH edge from the stmt.
38584
38585 2010-01-22  Richard Henderson  <rth@redhat.com>
38586
38587         PR tree-opt/42833
38588         * tree-sra.c (sra_modify_assign): Delay re-gimplification of
38589         the RHS until after generate_subtree_copies has insertted its
38590         code before the current statement.
38591
38592 2010-01-22  Joern Rennecke  <amylaar@spamcop.net>
38593
38594         * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
38595
38596         * gcc-plugin.h (plugin_init): Use "C" likage for c++.
38597
38598 2010-01-21  Martin Jambor  <mjambor@suse.cz>
38599
38600         PR tree-optimization/42585
38601         * tree-sra.c (struct access): New field grp_total_scalarization.
38602         (dump_access): Dump the new field.
38603         (should_scalarize_away_bitmap): New variable.
38604         (cannot_scalarize_away_bitmap): Likewise.
38605         (sra_initialize): Allocate new bitmaps.
38606         (sra_deinitialize): Free new bitmaps.
38607         (create_access_1): New function.
38608         (create_access): Parts moved to create_access_1.
38609         (type_consists_of_records_p): New function.
38610         (completely_scalarize_record): Likewise.
38611         (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
38612         (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
38613         (sort_and_splice_var_accesses): Hint groups with a total_scalarization
38614         access.
38615         (analyze_all_variable_accesses): Completely scalarize small eligible
38616         records.
38617
38618 2010-01-21  Martin Jambor  <mjambor@suse.cz>
38619
38620         * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
38621
38622 2010-01-21  Andrew Haley  <aph@redhat.com>
38623
38624         * gcc.c (process_command): Move lang_specific_driver before
38625         setting cc_libexec_prefix.
38626
38627 2010-01-21  Richard Guenther  <rguenther@suse.de>
38628
38629         PR middle-end/19988
38630         * fold-const.c (negate_expr_p): Pretend only negative
38631         real constants are easily negatable.
38632
38633 2010-01-20  Janis Johnson  <janis187@us.ibm.com>
38634             Jason Merrill  <jason@redhat.com>
38635
38636         * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
38637         (TYPE_TRANSPARENT_AGGR): this, for union and record.
38638         * calls.c (initialize argument_information): Handle it.
38639         * c-common.c (handle_transparent_union_attribute): Use new name.
38640         * c-decl.c (finish_struct): Ditto.
38641         * c-typeck.c (type_lists_compatible_p): Ditto.
38642         (convert_for_assignment): Use new name and also handle record.
38643         * function.c (aggregate_value_p): Handle it.
38644         (pass_by_reference): Ditto.
38645         (assign_parm_data_types): Ditto.
38646         * print-tree.c (print_node): Ditto.
38647         * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
38648         * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
38649         * tree.c (first_field): New fn.
38650
38651 2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
38652
38653         PR target/42818
38654         * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
38655         even when linking statically, for now.
38656
38657 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
38658
38659         PR debug/42715
38660         * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
38661         without a cselib val.
38662         (count_uses): Accept MO_VAL_SET with no val on stores.
38663         (add_stores): Likewise.
38664
38665 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
38666
38667         * var-tracking.c (check_value_val): Add a compile time assertion.
38668         (dv_is_decl_p): Simplify.
38669         (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
38670         gcc_assert if ENABLE_CHECKING.
38671
38672 2010-01-20  Alexandre Oliva  <aoliva@redhat.com>
38673
38674         PR debug/42782
38675         * var-tracking.c: Include tree-flow.h.
38676         (mem_dies_at_call): New.
38677         (dataflow_set_preserve_mem_locs): Use it.
38678         (dataflow_set_remove_mem_locs): Likewise.
38679         (dump_var): Renamed from dump_variable.  Adjust all callers.
38680         (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
38681         * Makefile.in (var-tracking.o): Adjust deps.
38682
38683 2010-01-20  Joern Rennecke  <amylaar@spamcop.net>
38684
38685         * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
38686
38687 2010-01-20  Richard Guenther  <rguenther@suse.de>
38688
38689         PR tree-optimization/42717
38690         * tree-ssa-dce.c (get_live_post_dom): Remove.
38691         (forward_edge_to_pdom): Take an arbitrary edge to copy
38692         degenerate PHI args from.
38693         (remove_dead_stmt): Use the first post-dominator even if it
38694         does not contain live statements as redirection destination.
38695
38696 2010-01-20  Richard Guenther  <rguenther@suse.de>
38697
38698         * tree-inline.c (estimate_num_insns): Handle EH builtins.
38699
38700 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
38701
38702         * sel-sched.c (create_speculation_check): Remove set but not used
38703         variable twin.
38704         (try_transformation_cache): Remove set but not used variable ds.
38705         (calculate_privileged_insns): Remove set but not used variables
38706         cur_insn and min_spec_insn.
38707         (find_best_expr): Remove set but not used variable avail_n.
38708         * tree-predcom.c (base_names_in_chain_on): Remove set but not used
38709         variable e.
38710         * cgraphunit.c (assemble_thunk): Remove set but not used variable
38711         false_label.
38712         * haifa-sched.c (remove_notes): Remove set but not used variable prev.
38713         * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
38714         new_scop_exit_edge.
38715
38716 2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>
38717
38718         PR bootstrap/42786
38719         * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
38720         cpu types.  Add support for *-sse3 cpu types.
38721         (x86_64-*-*): Ditto.
38722
38723 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
38724
38725         PR middle-end/42803
38726         * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
38727         argument, call initializer_constant_valid_p_1 instead of
38728         initializer_constant_valid_p, pass CACHE to it, return NULL
38729         immediately if first call returns NULL.
38730         (initializer_constant_valid_p_1): New function.
38731         (initializer_constant_valid_p): Use it.
38732
38733 2010-01-20  Thomas Quinot  <quinot@adacore.com>
38734
38735         * tree.def (PLACEHOLDER_EXPR): Fix comment.
38736
38737 2010-01-20  Jakub Jelinek  <jakub@redhat.com>
38738
38739         * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
38740         of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
38741         (loc_list_from_tree): Don't handle unsigned division.  Handle
38742         signed modulo using DW_OP_{over,over,div,mul,minus}.
38743         * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
38744         modulo instead of signed.
38745
38746 2010-01-20  DJ Delorie  <dj@redhat.com>
38747
38748         * config/h8300/h8300.c (F): Add "in_epilogue" flag.
38749         (Fpa): Pass it
38750         (h8300_emit_stack_adjustment): Propogate it.
38751         (push): Pass it.
38752         (h8300_expand_prologue): Likewise.
38753         (h8300_expand_epilogue): Likewise.
38754
38755 2010-01-19  Michael Matz  <matz@suse.de>
38756
38757         PR tree-optimization/41783
38758         * tree-data-ref.c (toplevel): Include flags.h.
38759         (dump_data_dependence_relation):  Also dump the inputs if the
38760         result will be unknown.
38761         (split_constant_offset_1): Look through some conversions.
38762         * tree-predcom.c (determine_roots_comp): Restart a new chain if
38763         the offset from last element is too large.
38764         (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
38765         (reassociate_to_the_same_stmt): Handle vector registers.
38766         * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
38767         (e.g. conversions).
38768         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
38769         wide_prolog_niters argument, emit widening instructions.
38770         (vect_do_peeling_for_alignment): Adjust caller, use widened
38771         variant of the iteration cound.
38772         * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
38773
38774 2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
38775
38776         PR target/38697
38777         * config/arm/neon-testgen.m (emit_automatics): New parameter
38778         features. Adjust for Fixed_return_reg feature.
38779         (test_intrinsic): Call emit_automatics with new feature.
38780         * config/arm/neon.ml: Update copyright years.
38781         (features): New Fixed_return_reg feature.
38782         (ops): Update feature for Vget_low.
38783
38784 2010-01-19  Jakub Jelinek  <jakub@redhat.com>
38785
38786         PR tree-optimization/42719
38787         * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
38788         stmt uses.
38789
38790         PR debug/42728
38791         * fwprop.c (all_uses_available_at): Return false if def_set dest
38792         is a REG that is used in def_insn.
38793
38794 2010-01-19  Joern Rennecke  <amylaar@spamcop.net>
38795
38796         * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
38797
38798         (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
38799         Add argument names.
38800
38801         (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
38802
38803         * target.h (struct gcc_target) <secondary_reload>: Change type
38804         of last argument to secondary_reload_info *.
38805
38806 2010-01-18  Uros Bizjak  <ubizjak@gmail.com>
38807
38808         PR target/42774
38809         * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
38810         memory references with unaligned offsets.  Remove CQImode handling.
38811         (unaligned_memory_operand): Return 1 for memory references with
38812         unaligned offsets.  Remove CQImode handling.
38813
38814 2010-01-18  Richard Guenther  <rguenther@suse.de>
38815
38816         PR middle-end/39954
38817         * cfgexpand.c (expand_call_stmt): TER pointer arguments in
38818         builtin calls.
38819
38820 2010-01-18  Richard Guenther  <rguenther@suse.de>
38821
38822         PR tree-optimization/42781
38823         * tree-ssa-structalias.c (find_what_var_points_to): Skip
38824         restrict processing only if the original variable was artificial.
38825
38826 2010-01-18  Joern Rennecke  <amylaar@spamcop.net>
38827
38828         * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
38829         find number of popped argument bytes.
38830
38831         (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
38832         Fix the text that describes the return value for invalid insns.
38833
38834         (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.
38835
38836         (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
38837         Clarify what 'cost of the -dependence' is.  Fix quoting.
38838
38839         * toplev.c (default_get_pch_validity): Rename argument to "sz".
38840         * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
38841
38842 2010-01-17  Jakub Jelinek  <jakub@redhat.com>
38843
38844         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
38845         {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
38846
38847 2010-01-17  Richard Guenther  <rguenther@suse.de>
38848
38849         PR middle-end/42248
38850         * function.c (split_complex_args): Take a VEC to modify.
38851         (assign_parms_augmented_arg_list): Build a VEC instead of
38852         a chain of PARM_DECLs.
38853         (assign_parms_unsplit_complex): Take a VEC of arguments.
38854         Do not fixup unmodified parms.
38855         (assign_parms): Deal with the VEC.
38856         (gimplify_parameters): Likewise.
38857
38858 2010-01-17  Richard Guenther  <rguenther@suse.de>
38859
38860         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
38861         node existence check.
38862         * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
38863         * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
38864         * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
38865         * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
38866         (gimple_execute_on_growing_pred): Likewise.
38867
38868 2010-01-17  Richard Guenther  <rguenther@suse.de>
38869
38870         PR tree-optimization/42773
38871         * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
38872         (compute_antic_aux): Likewise.
38873         (compute_partial_antic_aux): Likewise.
38874
38875 2010-01-17  Jie Zhang  <jie.zhang@analog.com>
38876
38877         PR debug/42767
38878         * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
38879         and US_TRUNCATE.
38880
38881 2010-01-17  Joern Rennecke  <amylaar@spamcop.net>
38882
38883         * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
38884         appearance.
38885
38886         (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
38887         Fix markup for strict argument.
38888
38889         (TARGET_SCHED_REORDER2): Fix argument types.
38890
38891         (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
38892         (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
38893
38894         (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
38895         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
38896
38897         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
38898         Add argument name.
38899
38900         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
38901         (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
38902         (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
38903         (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
38904         (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
38905
38906         (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
38907
38908         (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
38909
38910         (TARGET_ASM_RELOC_RW_MASK): Add return type.
38911         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
38912
38913         (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
38914
38915         (TARGET_ASM_FILE_START): Put @findex before paragraph start.
38916         Use prototype.
38917
38918         (TARGET_ASM_NAMED_SECTION): Fix argument list.
38919
38920         (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
38921         (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
38922
38923         (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
38924
38925         (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
38926
38927         (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
38928         referring to it.  Fix language.
38929
38930         (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
38931
38932         (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
38933
38934         (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
38935
38936         (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
38937
38938         (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
38939         '@var{stream}.  Remove stray 'and'.
38940
38941         (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
38942
38943         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
38944
38945         (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
38946
38947         (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
38948         misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
38949
38950         (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
38951         Fix description of return value.
38952         Rename argument "sz" to "len."
38953
38954         (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
38955         Clarify meaning of 'true' return value.
38956
38957         (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
38958
38959         (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
38960         rep_mode versus mode_rep.
38961
38962         (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
38963
38964         (TARGET_BUILTIN_DECL): Fix name.
38965
38966         (TARGET_COMMUTATIVE_P): Fix type of first argument.
38967
38968         (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
38969
38970         (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
38971
38972         (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
38973
38974         (TARGET_RELAXED_ORDERING): Use @deftypevr.
38975
38976         (TARGET_GET_DRAP_RTX): Note that this is a hook.
38977         Clarify language.
38978
38979         (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
38980         Rename argument tm_fn to md_fn.
38981
38982         (TARGET_OPTION_PRINT): Fix argument list.
38983
38984 2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>
38985
38986         PR target/42664
38987         * config/i386/i386.c (ix86_fixup_binary_operands):
38988         Revert FMA4 fixup of operands.
38989
38990 2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
38991
38992         PR other/42525
38993         * Makefile.in (write_entries_to_file, install-plugin):
38994         Use \012 instead of \n with tr.
38995
38996 2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>
38997
38998         * configure.ac (HAVE_AS_REF): New C macro.
38999         * configure: Regenerate.
39000         * config.in: Likewise.
39001         * collect2.c (main): Only postpone SCAN_DWEH to the second pass
39002         if HAVE_AS_REF.
39003         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
39004         if HAVE_AS_REF.
39005
39006 2010-01-16  Joern Rennecke  <amylaar@spamcop.net>
39007
39008         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
39009
39010         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
39011
39012         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
39013
39014         (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
39015
39016         (TARGET_IN_SMALL_DATA_P): Fix argument type.
39017
39018         (TARGET_BINDS_LOCAL_P): Fix argument type.
39019
39020         (TARGET_ASM_FILE_END): Use prototype.
39021
39022         (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
39023
39024         (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
39025
39026         (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
39027
39028         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
39029
39030         (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
39031         (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
39032
39033         (TARGET_PCH_VALID_P): Put 'const char *' in braces.
39034         (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
39035
39036         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
39037         (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
39038         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
39039         (TARGET_ADDR_SPACE_CONVERT): Likewise.
39040
39041         (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
39042
39043         (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
39044
39045         (TARGET_INIT_BUILTINS): Use prototype.
39046
39047         (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
39048         Put 'const char *' in braces.  Fix parameter types.
39049         (TARGET_INVALID_CONVERSION): Fix parameter types.
39050         (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
39051         (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
39052
39053         (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
39054         Fix argument type.
39055
39056         (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
39057
39058         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
39059
39060 2010-01-15  Joern Rennecke  <amylaar@spamcop.net>
39061
39062         * doc/tm.texi (TARGET_HELP): Fix return type.
39063
39064         (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
39065         in braces.  Fix argument types.
39066
39067         (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
39068
39069         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
39070
39071         (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
39072
39073         (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
39074         (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
39075
39076         (TARGET_MANGLE_TYPE): Fix argument types.
39077
39078         (TARGET_IRA_COVER_CLASSES): Use prototype.
39079
39080         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.
39081
39082         (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
39083
39084         (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
39085
39086         (TARGET_MUST_PASS_IN_STACK): Fix argument type.
39087
39088         (TARGET_CALLEE_COPIES): Fix argument types.
39089
39090         (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
39091
39092         (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
39093
39094         (TARGET_FUNCTION_VALUE): Fix argument types.
39095
39096         (TARGET_RETURN_IN_MSB): Fix argument type.
39097
39098         (TARGET_RETURN_IN_MEMORY): Fix argument types.
39099
39100         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
39101
39102         (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
39103
39104         (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
39105         agree with return type.
39106
39107         (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
39108
39109 2010-01-15  Jing Yu  <jingyu@google.com>
39110
39111         PR rtl-optimization/42691
39112         * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
39113         a pseudo to a constant and are merged, and adjust comments.
39114
39115 2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>
39116
39117         * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
39118
39119 2010-01-15  Richard Guenther  <rguenther@suse.de>
39120
39121         PR middle-end/42739
39122         * tree-cfgcleanup.c (remove_forwarder_block): Move destination
39123         labels of computed or non-local gotos to the destination.
39124         * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
39125         landing pad label is the first label.
39126
39127 2010-01-15  Richard Guenther  <rguenther@suse.de>
39128
39129         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
39130
39131 2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
39132
39133         PR target/42747
39134         * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
39135         to allow generation of the xssqrtdp instruction on power7.
39136         (sqrtdf2_fpr): Ditto.
39137
39138 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
39139
39140         PR middle-end/42674
39141         * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
39142         functions with noreturn attribute.
39143
39144         PR c++/42608
39145         * varasm.c (declare_weak): Add weak attribute to decl if it
39146         doesn't have one already.
39147         (assemble_external): Only add decls to weak_decls if they also
39148         have weak attribute.
39149
39150 2010-01-14  Alexandre Oliva  <aoliva@redhat.com>
39151
39152         * var-tracking.c (var_reg_delete): Don't delete the association
39153         between REGs and values or one-part variables if the register
39154         isn't clobbered.
39155
39156 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
39157
39158         PR debug/42657
39159         * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
39160         because its first operand is a non-localized variable.
39161
39162 2010-01-14  Martin Jambor  <mjambor@suse.cz>
39163
39164         PR tree-optimization/42706
39165         * tree-sra.c (encountered_recursive_call): New variable.
39166         (encountered_unchangable_recursive_call): Likewise.
39167         (sra_initialize): Initialize both new variables.
39168         (callsite_has_enough_arguments_p): New function.
39169         (scan_function): Call decl and flags check only for IPA-SRA, check
39170         whether there is a recursive call and whether it has enough arguments.
39171         (all_callers_have_enough_arguments_p): New function.
39172         (convert_callers): Look for recursive calls only when
39173         encountered_recursive_call is set.
39174         (ipa_early_sra): Bail out either if
39175         !all_callers_have_enough_arguments_p or
39176         encountered_unchangable_recursive_call.
39177
39178 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39179
39180         * sel-sched.c: Add 2010 to copyright years.
39181         * sel-sched-ir.c: Likewise.
39182         * sel-sched-ir.h: Likewise.
39183
39184 2010-01-14  Martin Jambor  <mjambor@suse.cz>
39185
39186         PR tree-optimization/42714
39187         * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
39188         constructors specially.
39189
39190 2010-01-14  Andi Kleen  <ak@linux.intel.com>
39191
39192         * config/i386/drivers-i386.c (detect_caches_intel):
39193         Add l2sizekb parameter and fill in.
39194         (host_detect_local_cpu): Add l2sizekb, fill in.
39195         Add Atom small cache heuristic.
39196
39197 2010-01-14  Andi Kleen  <ak@linux.intel.com>
39198
39199         * config/i386/drivers-i386.c (detect_caches_cpuid4):
39200         Add level3 parameter and fill in.
39201         (detect_caches_intel): Handle level3 cache.
39202
39203 2010-01-14  Andi Kleen  <ak@linux.intel.com>
39204
39205         * config/i386/drivers-i386.c (host_detect_local_cpu):
39206         Fix core duo detection.
39207
39208 2010-01-14  Andi Kleen  <ak@linux.intel.com>
39209
39210         * config/i386/drivers-i386.c (host_detect_local_cpu):
39211         Fix Atom detection.
39212
39213 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39214
39215         * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
39216         (rs6000_variable_issue_1): this.  Use...
39217         (rs6000_variable_issue): here.  Reimplement.  Print debug info.
39218
39219 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39220
39221         * sel-sched-ir.c (sel_restore_other_notes): Rename to
39222         sel_restore_notes.  Update all callers.  Call reemit_notes
39223         for all insns.
39224
39225 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
39226
39227         PR rtl-optimization/42246
39228         * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
39229         loops.
39230
39231 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
39232
39233         * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
39234         all successors is the same as number of successors in current region.
39235
39236 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39237
39238         * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
39239         to rename is not separable.  Otherwise check that its LHS is not NULL.
39240
39241 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39242
39243         * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.
39244
39245 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39246
39247         * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
39248         available registers when failed to discover LHS register class.
39249         Fix indentation.  Update comment.
39250
39251 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
39252             Alexander Monakov  <amonakov@ispras.ru>
39253
39254         PR rtl-optimization/42389
39255         * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
39256         to can_issue_more.
39257         (advance_state_on_fence): Likewise.
39258         (sel_target_adjust_priority): Print debug output only when
39259         sched_verbose >= 4, not 2.
39260         (get_expr_cost): Do not issue all unique insns on the next cycle.
39261         (fill_insns): Initialize can_issue_more from the value saved
39262         with the fence.
39263         * sel-sched-ir.c (flist_add): New parameter issue_more.
39264         Init FENCE_ISSUE_MORE with it.
39265         (merge_fences): Likewise.
39266         (init_fences): Update call to flist_add.
39267         (add_to_fences, add_clean_fence_to_fences)
39268         (add_dirty_fence_to_fences): Likewise.
39269         (move_fence_to_fences): Update call to merge_fences.
39270         (invoke_reorder_hooks): Do not reset can_issue_more on insns from
39271         sched groups.
39272         * sel-sched-ir.h (struct _fence): New field issue_more.
39273         (FENCE_ISSUE_MORE): New accessor macro.
39274
39275 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
39276
39277         PR rtl-optimization/42388
39278         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
39279         that have no predecessors nor successors.  Do not call move_bb_info
39280         for empty blocks outside of current region.
39281
39282 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39283
39284         PR rtl-optimization/42294
39285         * sel-sched-ir.h (struct _sel_insn_data): Update comment.
39286         * sel-sched.c (move_exprs_to_boundary): Transitively add all
39287         originators' originators.
39288
39289 2010-01-14  Alexander Monakov  <amonakov@ispras.ru>
39290
39291         PR rtl-optimization/39453
39292         PR rtl-optimization/42246
39293         * sel-sched-ir.c (considered_for_pipelining_p): Do not test
39294         for pipelining_p.
39295         (sel_add_loop_preheaders): Add preheader to last_added_blocks.
39296
39297 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
39298             Alexander Monakov  <amonakov@ispras.ru>
39299
39300         PR middle-end/42245
39301         * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
39302         (maybe_tidy_empty_bb): ... here.  Make static.  Add new
39303         argument.  Update all callers.
39304         (tidy_control_flow): ... and here.  Recompute topological order
39305         of basic blocks in region if necessary.
39306         (sel_redirect_edge_and_branch): Change return type.  Return true
39307         if topological order might have been invalidated.
39308         (purge_empty_blocks): Export and move from...
39309         * sel-sched.c (purge_empty_blocks): ... here.
39310         * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
39311         (maybe_tidy_empty_bb): Delete prototype.
39312         (purge_empty_blocks): Declare.
39313
39314 2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
39315
39316         PR rtl-optimization/42249
39317         * sel-sched.c (try_replace_dest_reg): When chosen register
39318         and original register is the same, do not bail out early, but
39319         still check all original insns for validity of replacing destination
39320         register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
39321         in this case.
39322
39323 2010-01-14  Jakub Jelinek  <jakub@redhat.com>
39324
39325         PR c/42721
39326         Port from no-undefined-overflow branch:
39327         2009-03-09  Richard Guenther  <rguenther@suse.de>
39328
39329         * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
39330
39331 2010-01-14  Richard Guenther  <rguenther@suse.de>
39332
39333         PR lto/42665
39334         * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
39335
39336 2010-01-14  Ira Rosen  <irar@il.ibm.com>
39337
39338         PR tree-optimization/42709
39339         * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
39340         as scalar type in creation of constant vector operand.
39341
39342 2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
39343
39344         PR testsuite/42414
39345         * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
39346         (check-parallel-%): Match `testsuite' directory component only
39347         at the end.
39348
39349 2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>
39350
39351         PR translation/39521
39352         * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
39353         strings with _().
39354
39355 2010-01-13  Richard Guenther  <rguenther@suse.de>
39356
39357         PR tree-optimization/42730
39358         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
39359         offset zero.
39360
39361 2010-01-13  Steve Ellcey  <sje@cup.hp.com>
39362
39363         PR target/pr42542
39364         * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
39365         for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
39366         them signed.
39367
39368 2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>
39369
39370         * config/bfin/libgcc-bfin.ver: Regenerate based on current
39371         libgcc-std.ver.  Add entries for ___smulsi3_highpart and
39372         ___umulsi3_highpart.
39373
39374         * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
39375         rather than schedule_insns if the pass is enabled.
39376
39377 2010-01-13  Martin Jambor  <mjambor@suse.cz>
39378
39379         PR tree-optimization/42704
39380         * tree-sra.c (sra_modify_assign): Do not delete assignments to
39381         SSA_NAMEs.
39382
39383 2010-01-13  Martin Jambor  <mjambor@suse.cz>
39384
39385         PR tree-optimization/42703
39386         * tree-sra.c (analyze_access_subtree): Check that we can build a
39387         reference to the original data within the aggregate.
39388
39389 2010-01-13  Richard Guenther  <rguenther@suse.de>
39390
39391         PR tree-optimization/42705
39392         * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
39393
39394 2010-01-13  Richard Guenther  <rguenther@suse.de>
39395
39396         PR middle-end/42716
39397         * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
39398
39399 2010-01-13  Jakub Jelinek  <jakub@redhat.com>
39400
39401         PR debug/41371
39402         * var-tracking.c (values_to_unmark): New variable.
39403         (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
39404         values_to_unmark vector.  Moved body to...
39405         (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
39406         instead queue it into values_to_unmark vector.
39407         (vt_find_locations): Free values_to_unmark vector.
39408
39409 2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>
39410
39411         * config/s390/s390.c (override_options): Set
39412         default of max-pending-list-length to 256
39413
39414 2010-01-13  Richard Guenther  <rguenther@suse.de>
39415
39416         PR lto/42678
39417         * tree-pass.h (PROP_gimple_lcx): New.
39418         * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
39419         * passes.c (init_optimization_passes): Move pass_lower_complex_O0
39420         before the final cleanup_eh.
39421         (dump_properties): Dump PROP_gimple_lcx.
39422         * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
39423         (tree_lower_complex_O0): Remove.
39424         (gate_no_optimization): Run if PROP_gimple_lcx is not set.
39425         (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
39426         tree_lower_complex, schedule TODO_update_ssa.
39427         * lto-streamer-out.c (output_function): Stream the functions
39428         properties.
39429         * lto-streamer-in.c (input_function): Likewise.
39430         (lto_read_body): Do not override them here.
39431
39432 2010-01-12  Joseph Myers  <joseph@codesourcery.com>
39433
39434         PR c/42708
39435         * c-typeck.c (build_c_cast): Fold value cast to union type before
39436         wrapping it in a CONSTRUCTOR.
39437
39438 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
39439
39440         PR rtl-optimization/42699
39441         * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
39442         involved.
39443
39444 2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
39445
39446         * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
39447         SUBTARGET_WARN_UNUSED_SPEC): Move ...
39448         config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
39449         SUBTARGET_WARN_UNUSED_SPEC): ... here
39450         * config/mips/iris5.h (LIBGCC_SPEC): Define.
39451
39452 2010-01-12  Julian Brown  <julian@codesourcery.com>
39453
39454         * config/arm/neon-schedgen.ml (Utils): Don't try to
39455         open missing module.
39456         (find_with_result): New.
39457
39458 2010-01-12  Jakub Jelinek  <jakub@redhat.com>
39459
39460         PR debug/42662
39461         * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
39462         sharing when canonicalizing ({lt,ge}u (plus a b) b).
39463
39464         PR tree-optimization/42645
39465         * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
39466         (remap_ssa_name): If processing_debug_stmt and name wasn't found in
39467         decl_map, set processing_debug_stmt to -1 and return name without
39468         any remapping.
39469
39470 2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>
39471
39472         * doc/install.texi (Specific#x-x-cygwin): Document minimum required
39473         binutils version, and reword target configuration description.
39474
39475 2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
39476
39477         * config/avr/avr.h (LINKER_NAME): Remove.
39478
39479 2010-01-11  Janis Johnson  <janis187@us.ibm.com>
39480
39481         PR target/42416
39482         * config/rs6000/rs6000.c (rs6000_override_options): On targets
39483         that support VSX, warn for -mno-altivec if vsx is not disabled,
39484         and disable vsx.
39485
39486 2010-01-11  Joseph Myers  <joseph@codesourcery.com>
39487             Shujing Zhao  <pearly.zhao@oracle.com>
39488
39489         PR translation/42469
39490         * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
39491         fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
39492         character between option name and help text.
39493         * c.opt (imultilib): Likewise.
39494
39495 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
39496
39497         * lto-streamer-out.c (output_unreferenced_globals): Output static
39498         variables.
39499
39500 2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>
39501
39502         PR rtl-optimization/42621
39503         * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
39504         optimizing for size.
39505         (duplicate_computed_gotos): Remove now-redundant check.
39506
39507 2010-01-10  Steve Ellcey  <sje@cup.hp.com>
39508
39509         PR target/37454
39510         * configure.ac: Save and restore LDFLAGS and LIBS
39511         * configure: Regenerate.
39512
39513 2010-01-10  Richard Guenther  <rguenther@suse.de>
39514
39515         PR middle-end/42667
39516         * builtins.c (fold_builtin_strlen): Add type argument and
39517         convert the resulting length to it.
39518         (fold_builtin_1): Adjust.
39519
39520 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
39521
39522         * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
39523         sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
39524         1 insn.
39525         (num_insns_constant_wide): Adjust for that change.
39526
39527 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
39528
39529         PR debug/42631
39530         * web.c (union_defs): Add used argument, to combine uses of
39531         uninitialized regs.
39532         (entry_register): Adjust type and tests of used argument.
39533         (web_main): Widen used for new use.  Pass it to union_defs.
39534         * df.h (union_defs): Adjust prototype.
39535
39536 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
39537
39538         PR debug/42630
39539         * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
39540         uses in new incoming argument.  Free body.
39541         (reset_debug_uses_in_loop): New.
39542         (analyze_insn_to_expand_var): Call the latter if the former found
39543         anything.  Fix whitespace.  Reject invalid dest overlaps before
39544         going through all insns in the loop.
39545
39546 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
39547
39548         PR debug/42629
39549         * haifa-sched.c (dying_use_p): Debug insns don't count.
39550
39551 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
39552
39553         PR middle-end/42363
39554         * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
39555         * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
39556         (verify_gimple_call): Reject LHS in noreturn calls.
39557
39558 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
39559
39560         PR debug/42604
39561         PR debug/42395
39562         * tree-vect-loop-manip.c (adjust_info): New type.
39563         (adjust_vec): New pointer to vector.
39564         (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
39565         (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
39566         (slpeel_update_phis_for_duplicate_loop): Use them.
39567         (slpeel_update_phi_nodes_for_guard1): Likewise.
39568         (slpeel_update_phi_nodes_for_guard2): Likewise.
39569         (slpeel_tree_peel_loop_to_edge): Likewise.
39570         (vect_update_ivs_after_vectorizer): Likewise.
39571
39572 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
39573
39574         * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
39575         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
39576
39577 2010-01-09  Alexandre Oliva  <aoliva@redhat.com>
39578
39579         * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
39580         bogus uninitialized warning.
39581
39582 2010-01-09  Richard Guenther  <rguenther@suse.de>
39583
39584         PR middle-end/42512
39585         * tree-scalar-evolution.c (interpret_loop_phi): Make sure
39586         the evolution is compatible with the initial condition.
39587
39588 2010-01-09  Jakub Jelinek  <jakub@redhat.com>
39589
39590         * gcc.c (process_command): Update copyright notice dates.
39591         * gcov.c (print_version): Likewise.
39592         * gcov-dump.c (print_version): Likewise.
39593         * mips-tfile.c (main): Likewise.
39594         * mips-tdump.c (main): Likewise.
39595
39596 2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>
39597
39598         PR target/41885
39599         * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
39600         (rotlhi3): Delete.
39601         (rotlhi3_8): Delete.
39602         (rotlsi3): Delete.
39603         (rotlsi3_8): Delete.
39604         (rotlsi3_16): Delete.
39605         (rotlsi3_24): Delete.
39606         (rotl<mode>3): New.
39607         (*rotw<mode>3): New.
39608         (*rotb<mode>3): New.
39609         * config/avr/avr.c (avr_rotate_bytes): New function.
39610         * config/avr/avr-proto.h (avr_rotate_bytes): New function.
39611
39612 2010-01-08  Steve Ellcey  <sje@cup.hp.com>
39613
39614         PR target/37454
39615         * configure.ac: Modify -rdynamic check.
39616         * configure: Regenerate.
39617
39618 2010-01-08  DJ Delorie  <dj@redhat.com>
39619
39620         * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
39621         register popping order.
39622
39623 2010-01-08  Richard Guenther  <rguenther@suse.de>
39624
39625         PR lto/42528
39626         * c.opt (fsigned-char): Also let LTO handle this option.
39627         (funsigned-char): Likewise.
39628
39629 2010-01-07  Richard Guenther  <rguenther@suse.de>
39630
39631         * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
39632         (gimple_op): Likewise.
39633         (gimple_op_ptr): Likewise.
39634         (gimple_assign_set_lhs): Remove gcc_assert.
39635         (gimple_assign_set_rhs1): Likewise.
39636         (gimple_assign_set_rhs2): Likewise.
39637         (gimple_call_set_lhs): Likewise.
39638         (gimple_call_set_fn): Likewise.
39639         (gimple_call_set_fndecl): Likewise.
39640         (gimple_call_fndecl): Likewise.
39641         (gimple_call_return_type): Likewise.
39642         (gimple_call_set_chain): Likewise.
39643         (gimple_call_num_args): Likewise.
39644         (gimple_call_set_arg): Likewise.
39645         (gimple_cond_set_code): Likewise.
39646         (gimple_cond_set_lhs): Likewise.
39647         (gimple_cond_set_rhs): Likewise.
39648         (gimple_cond_set_true_label): Likewise.
39649         (gimple_cond_set_false_label): Likewise.
39650         (gimple_label_set_label): Likewise.
39651         (gimple_goto_set_dest): Likewise.
39652         (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
39653         (gimple_debug_bind_get_value): Likewise.
39654         (gimple_debug_bind_get_value_ptr): Likewise.
39655         (gimple_debug_bind_set_var): Likewise.
39656         (gimple_debug_bind_set_value): Likewise.
39657         (gimple_debug_bind_reset_value): Likewise.
39658         (gimple_debug_bind_has_value_p): Likewise.
39659         (gimple_return_retval_ptr): Remove gcc_assert.
39660         (gimple_return_retval): Likewise.
39661         (gimple_return_set_retval): Likewise.
39662         * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
39663         (safe_referenced_var_iterator): Remove.
39664         (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
39665         * tree-flow-inline.h (gimple_nonlocal_all): Remove.
39666         (fill_referenced_var_vec): Remove.
39667         (first_readonly_imm_use): Remove redundant gcc_assert.
39668         (phi_arg_index_from_use): Combine gcc_asserts.
39669         (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
39670         (first_imm_use_stmt): Remove redundant gcc_assert.
39671         * tree-cfg.c (verify_gimple_call): Verify function and chain
39672         operands.  Verify arguments.
39673         (verify_types_in_gimple_stmt): Verify condition code and labels.
39674
39675 2010-01-07  Richard Guenther  <rguenther@suse.de>
39676
39677         PR tree-optimization/42641
39678         * sese.c (rename_map_elt_info): Use the SSA name version, do
39679         not hash pointers.
39680
39681 2010-01-07  Jakub Jelinek  <jakub@redhat.com>
39682
39683         PR tree-optimization/42625
39684         * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
39685         TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
39686
39687 2010-01-07  Duncan Sands  <baldrick@free.fr>
39688
39689         * Makefile.in (PLUGIN_HEADERS): Add version.h.
39690
39691 2010-01-07  Uros Bizjak  <ubizjak@gmail.com>
39692
39693         PR target/42511
39694         * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
39695         note itself is not function_invariant_p.
39696
39697 2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>
39698
39699         * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
39700         Do not add the DF_NOTE problem.
39701         * store-motion.c (execute_rtl_store_motion): Likewise.
39702
39703 2010-01-07  Martin Jambor  <mjambor@suse.cz>
39704
39705         PR tree-optimization/42157
39706         * tree-sra.c (compare_access_positions): Stabilize sort if both
39707         accesses have integer types, return zero immediately if they are the
39708         same.
39709
39710 2010-01-06  Richard Henderson  <rth@redhat.com>
39711
39712         PR middle-end/41883
39713         * haifa-sched.c (add_to_note_list): Merge into ...
39714         (concat_note_lists): ... here, and ...
39715         (unlink_other_notes, rm_other_notes): Merge into...
39716         (remove_notes): ... here.  Create REG_SAVE_NOTEs for
39717         NOTE_INSN_EPILOGUE_BEG.
39718
39719 2010-01-06  Richard Guenther  <rguenther@suse.de>
39720
39721         * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
39722         not inline regular functions into always-inline functions.
39723
39724 2010-01-06  Nick Clifton  <nickc@redhat.com>
39725
39726         * config/rx/rx.h (enum rx_cpu_type): Add RX200.
39727         (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
39728         used together.
39729         (OVERRIDE_OPTIONS): Delete.
39730         (OPTIMIZATION_OPTIONS): Define.
39731         (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
39732         * config/rx/rx.c (rx_handle_option): Issue an error message if
39733         -mcpu=rx200 and -fpu are used together.
39734         (rx_set_optimization_options): New function.  Issue an error
39735         message if an optimization attribute attempts to reset the FPU/
39736         math optimization pairing.
39737         * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
39738         * config/rx/rx.opt: Set the default to 32-bit doubles.
39739         * config/rx/t-rx: Add multilibs for -nofpu option.
39740         * doc/invoke.texi: Update documentation of RX options.
39741
39742 2010-01-06  Richard Guenther  <rguenther@suse.de>
39743
39744         * tree-ssa-pre.c (name_to_id): New global.
39745         (alloc_expression_id): Simplify SSA name handling.
39746         (lookup_expression_id): Likewise.
39747         (init_pre): Zero name_to_id.
39748         (fini_pre): Free it.
39749
39750 2010-01-06  Uros Bizjak  <ubizjak@gmail.com>
39751
39752         * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
39753
39754 2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>
39755
39756         PR target/42542
39757         * config/i386/sse.md (smaxv2di3): New.
39758         (umaxv2di3): Likewise.
39759         (sminv2di3): Likewise.
39760         (uminv2di3): Likewise.
39761
39762 2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>
39763
39764         PR target/42564
39765         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
39766         * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
39767         (legitimize_tls_address): Likewise.
39768         (sparc_tls_referenced_p): Likewise.
39769         * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
39770         and adjust calls to legitimize_pic_address.
39771         (legitimate_constant_p) Use sparc_tls_referenced_p.
39772         (legitimate_pic_operand_p): Likewise.
39773         (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
39774         (sparc_tls_symbol_ref_1): Delete.
39775         (sparc_tls_referenced_p): Make static, recognize specific patterns.
39776         (legitimize_tls_address): Make static, handle CONST patterns.
39777         (legitimize_pic_address): Make static, remove unused parameter and
39778         adjust recursive calls.
39779         (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
39780         and adjust call to legitimize_pic_address.
39781         (sparc_output_mi_thunk): Likewise.
39782
39783 2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
39784             H.J. Lu  <hongjiu.lu@intel.com>
39785
39786         PR target/42542
39787         * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
39788         for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
39789         operands to make them signed.
39790
39791         Revert:
39792         2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
39793
39794         PR target/42542
39795         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
39796         GTU to GT for V4SI and V2DI.
39797
39798         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
39799         (umin<mode>3): Removed.
39800         (uminv8hi3): New.
39801         (uminv4si3): Likewise.
39802
39803 2010-01-05  Martin Jambor  <mjambor@suse.cz>
39804
39805         PR tree-optimization/42462
39806         * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
39807         current_function_decl to helper functions and macros.
39808
39809 2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
39810
39811         PR bootstrap/41771
39812         * flags.h: Don't include real.h.
39813         (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
39814         HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
39815         * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
39816         HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
39817         * dominance.c: Update copyright.
39818         * gimple.c (walk_gimple_op): Remove inline.
39819         * tree-ssa-reassoc.c: Include real.h.
39820         * Makefile.in (FLAGS_H): Remove $(REAL_H).
39821         (tree-ssa-reassoc.o): Depend on $(REAL_H).
39822
39823 2010-01-05  Nick Clifton  <nickc@redhat.com>
39824
39825         * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
39826         register to push into the stack frame when the accumulator has to
39827         be saved during interrupts.
39828
39829 2010-01-05  Eric Fisher  <joefoxreal@gmail.com>
39830
39831         * doc/invoke.texi: Remove the documentation about option
39832         -Wunreachable-code.
39833         * common.opt (Wunreachable-code):  Preserved for backward
39834         compatibility.
39835         * tree-cfg.c: Remove the implementation of -Wunreachable-code.
39836         * opts.c (common_handle_option): Add OPT_Wunreachable_code to
39837         the backward compatibility flag section.
39838
39839 2010-01-05  Richard Guenther  <rguenther@suse.de>
39840
39841         * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
39842
39843 2010-01-05  Jakub Jelinek  <jakub@redhat.com>
39844
39845         PR other/42611
39846         * cfgexpand.c (expand_one_var): Diagnose too large variables.
39847
39848         PR tree-optimization/42508
39849         * tree-sra.c (convert_callers): Check for recursive call
39850         by comparing cgraph nodes instead of decls.
39851         (modify_function): Call ipa_modify_formal_parameters also
39852         on all same_body aliases.
39853
39854         * cgraphunit.c (cgraph_materialize_all_clones): Compare
39855         cgraph nodes when checking for same_body aliases.
39856
39857 2010-01-05  Richard Guenther  <rguenther@suse.de>
39858
39859         * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
39860         allocation and lookup.
39861         (get_or_alloc_expr_for_constant): Likewise.
39862         (phi_translate): Sink allocation.
39863
39864 2010-01-04  Richard Guenther  <rguenther@suse.de>
39865
39866         * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
39867         a new entry only if needed.
39868         * tree-ssa-dom.c (lookup_avail_expr): Likewise.
39869         * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
39870         hashtable lookup.
39871         * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
39872         the result array.
39873         (phi_translate): Handle CONSTANTs early.
39874
39875 2010-01-04  Martin Jambor  <mjambor@suse.cz>
39876
39877         PR tree-optimization/42398
39878         * tree-sra.c (struct access): Removed flag grp_different_types.
39879         (dump_access): Do not dump the removed flag.
39880         (sort_and_splice_var_accesses): Do not set the removed flag.
39881         (sra_modify_expr): Check for type compatibility directly.
39882
39883 2010-01-04  Martin Jambor  <mjambor@suse.cz>
39884
39885         PR tree-optimization/42366
39886         * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
39887         edges with variable number of parameters.
39888         * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
39889         flag instead of asserting it.
39890         (ipa_read_node_info): Read uses_analysis_done flag.
39891
39892 2010-01-04  Richard Guenther  <rguenther@suse.de>
39893
39894         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
39895         iterative_hash_* as intended.
39896         (vn_reference_compute_hash): Likewise.  Simplify hashing
39897         SSA names.
39898         (vn_reference_lookup_2): Likewise.
39899         (vn_nary_op_compute_hash): Likewise.
39900         (vn_phi_compute_hash): Likewise.
39901         (expressions_equal_p): Remove strange code.
39902         * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
39903         (pre_expr_hash): Likewise.  Simplify hashing SSA names.
39904         (bitmap_insert_into_set_1): Take value-id as parameter.
39905         (add_to_value): Pass it.
39906         (bitmap_insert_into_set): Likewise.
39907         (bitmap_value_insert_into_set): Likewise.  Remove redundant check.
39908
39909 2010-01-04  Jakub Jelinek  <jakub@redhat.com>
39910
39911         PR driver/42442
39912         * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
39913         (do_self_spec): For switches with SWITCH_IGNORE set set also
39914         SWITCH_IGNORE_PERMANENTLY.
39915         (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
39916         of SWITCH_IGNORE.
39917
39918 2010-01-04  Rafael Avila de Espindola  <espindola@google.com>
39919
39920         * lto-streamer-out.c (output_unreferenced_globals): Output the full
39921         tree of an unreferenced global var.
39922
39923 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
39924
39925         PR target/42542
39926         * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
39927         GTU to GT for V4SI and V2DI.
39928
39929         * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
39930         (umin<mode>3): Removed.
39931         (uminv8hi3): New.
39932         (uminv4si3): Likewise.
39933
39934 2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>
39935
39936         PR lto/42581
39937         * collect2.c (main): Turn on trace in collect2 if -v is passed
39938         to gcc with LTO.
39939
39940 2010-01-03  Jerry Quinn  <jlquinn@optonline.net>
39941
39942         * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
39943         description of expression operand.
39944
39945 2010-01-03  Andrew Jenner  <andrew@codesourcery.com>
39946
39947         * configure.ac: Add install-html to target_list for Make-hooks.
39948         * configure: Regenerate.
39949         * fortran/Make-lang.in (F95_HTMLFILES): New.
39950         (fortran.html): Use it.
39951         (fortran.install-html): New.
39952         * Makefile.in (install-html): Add lang.install-html.
39953         * java/Make-lang.in (JAVA_HTMLFILES): New.
39954         (java.html): Use it.
39955         (java.install-html): New.
39956         * objc/Make-lang.in (objc.install-html): New.
39957         * objcp/Make-lang.in (obj-c++.install-html): New.
39958         * cp/Make-lang.in (c++.install-html): New.
39959         * ada/gcc-interface/Make-lang.in (ada.install-html): New.
39960         * lto/Make-lang.in (lto.install-html): New.
39961
39962 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
39963
39964         PR lto/42520
39965         * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
39966
39967 2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>
39968
39969         PR rtl-optimization/41862
39970         * store-motion.c (store_killed_in_insn, compute_store_table,
39971         remove_reachable_equiv_notes, replace_store_insn,
39972         build_store_vectors): Ignore all DEBUG_INSNs.
39973
39974 2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>
39975
39976         PR lto/41564
39977         * common.opt: Add dumpdir.
39978
39979         * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
39980         isn't specified.
39981         (option_map): Add --dumpdir.
39982
39983         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
39984
39985         * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
39986
39987         * opts.c (decode_options): Try dump_dir_name first if
39988         dump_base_name isn't an absolute path.
39989         (common_handle_option): Handle OPT_dumpdir.
39990
39991         * toplev.c (dump_dir_name): New.
39992         (print_switch_values): Also ignore -dumpdir.
39993
39994         * toplev.h (dump_dir_name): New.
39995
39996 2010-01-03  Richard Guenther  <rguenther@suse.de>
39997
39998         PR tree-optimization/42589
39999         * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
40000         double-word expansion of bswap32.
40001
40002 2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>
40003
40004         * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
40005         with BLOCK_FOR_INSN.
40006         * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
40007         * ifcvt.c (noce_get_alt_condition, noce_try_abs,
40008         noce_process_if_block): Likewise.
40009         * gcse.c (compute_local_properties, insert_expr_in_table,
40010         insert_set_in_table, canon_list_insert, find_avail_set,
40011         pre_insert_copy_insn): Likewise.
40012
40013         * basic-block.h (BLOCK_NUM): Move from here...
40014         * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
40015
40016 2010-01-03  Richard Guenther  <rguenther@suse.de>
40017
40018         PR tree-optimization/42438
40019         * tree-ssa-pre.c (struct bb_bitmap_sets): Add
40020         contains_may_not_return_call flag.
40021         (BB_MAY_NOTRETURN): New.
40022         (valid_in_sets): Trapping nary operations are not valid
40023         in blocks that may not return.
40024         (insert_into_preds_of_block): Remove check for trapping expressions.
40025         (compute_avail): Compute also BB_MAY_NOTRETURN.
40026
40027 2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
40028
40029         * doc/invoke.texi: Add 2010 to copyright years.
40030
40031 2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>
40032
40033         * config/sparc/sparc.c: Fix formatting nits.
40034
40035 2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
40036             Alexander Monakov  <amonakov@ispras.ru>
40037
40038         * doc/invoke.texi (Optimize Options): Reword introduction a bit.
40039
40040 2010-01-02  Richard Guenther  <rguenther@suse.de>
40041
40042         PR middle-end/42577
40043         * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
40044         (simplify_switch_using_ranges): Mark to be removed edges
40045         as non-executable.
40046
40047 2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
40048
40049         * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
40050
40051         * collect2.c (scan_libraries): Add missing argument in call to
40052         scan_prog_file.
40053
40054 2010-01-02  Uros Bizjak  <ubizjak@gmail.com>
40055
40056         PR target/42448
40057         * config/alpha/predicates.md (aligned_memory_operand): Return false
40058         for CQImode.
40059         (unaligned_memory_operand): Return true for CQImode.
40060         * config/alpha/alpha.c (get_aligned_mem): Assert that location
40061         doesn not cross aligned SImode word boundary.
40062
40063 2010-01-02  Anatoly Sokolov  <aesok@post.ru>
40064
40065         * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
40066         Remove.
40067         * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
40068         avr_change_section, avr_reg_class_from_letter) : Remove declaration.
40069
40070 2010-01-02  Richard Guenther  <rguenther@suse.de>
40071
40072         PR lto/41597
40073         * toplev.c (compile_file): Emit LTO marker properly.  Change
40074         it to __gnu_lto_v1.
40075         * collect2.c (scan_prog_file): Adjust for changed LTO marker.
40076
40077 2010-01-01  Richard Guenther  <rguenther@suse.de>
40078
40079         PR debug/42455
40080         * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
40081
40082 2010-01-01  Richard Guenther  <rguenther@suse.de>
40083
40084         PR c/42570
40085         * c-decl.c (grokdeclarator): For zero-size arrays force
40086         structural equality checks as layout_type does.
40087
40088 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
40089
40090         * builtins.c: Update copyright to 2010.
40091
40092 2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>
40093
40094         PR lto/42531
40095         * lto-streamer-out.c (produce_asm): Revert the last change.
40096         (copy_function): Likewise.
40097
40098         * lto-streamer.c (lto_get_section_name): Skip any leading
40099         asterisk in name.
40100
40101 2010-01-01  Richard Guenther  <rguenther@suse.de>
40102
40103         PR middle-end/42559
40104         * builtins.c (get_object_alignment): Do not use DECL_ALIGN
40105         for LABEL_DECLs.
40106
40107 \f
40108 Copyright (C) 2010 Free Software Foundation, Inc.
40109
40110 Copying and distribution of this file, with or without modification,
40111 are permitted in any medium without royalty provided the copyright
40112 notice and this notice are preserved.