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* config/darwin.opt (dylinker, headerpad_max_install_names,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-12-16  Joseph Myers  <joseph@codesourcery.com>
2
3         * config/darwin.opt (dylinker, headerpad_max_install_names,
4         keep_private_externs, nofixprebinding, nomultidefs, noprebind,
5         noseglinkedit, object, prebind, prebind_all_twolevel_modules,
6         preload, private_bundle, pthread, seglinkedit, twolevel_namespace,
7         twolevel_namespace_hints, whatsloaded, whyload, y, Mach, X): New
8         Driver options.
9         * config/darwin.h (LINK_SPEC): Remove '*' after
10         headerpad_max_install_names.
11
12 2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>
13
14         PR tree-optimization/46924
15         * graphite-sese-to-poly.c (detect_commutative_reduction): Do not
16         detect reductions outside the current SESE region.
17         * sese.h (stmt_in_sese_p): New.
18         (defined_in_sese_p): Call stmt_in_sese_p.
19
20 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
21
22         PR tree-optimization/46966
23         * graphite-sese-to-poly.c (build_scop_drs): Call free_gimple_bb for
24         for bbs that are removed from SCOP_BBS vector.
25
26 2010-12-16  Eric Botcazou  <ebotcazou@adacore.com>
27
28         * tree-ssa-sccvn.c (vn_reference_lookup_3): Always punt if the call to
29         get_ref_base_and_extent returns -1 as the max size.
30
31 2010-12-16  Konrad Eisele  <konrad@gaisler.com>
32             Eric Botcazou  <ebotcazou@adacore.com>
33
34         Support for LEON processor
35         * config.gcc (sparc-*-elf*): Deal with sparc-leon specifically.
36         (sparc-*-linux*): Likewise.
37         (sparc-*-rtems*): Remove Solaris left-overs.
38         (sparc*-*-*): Remove obsolete sparc86x setting.
39         (sparc-leon*): Default to --with-cpu=v8 and --with-tune=leon.
40         * doc/invoke.texi (SPARC Options): Document -mcpu/-mtune=leon.
41         * config/sparc/sparc.h (TARGET_CPU_leon): Define.
42         (TARGET_CPU_sparc86x): Delete.
43         (TARGET_CPU_cypress): Define as alias to TARGET_CPU_v7.
44         (TARGET_CPU_f930): Define as alias to TARGET_CPU_sparclite.
45         (TARGET_CPU_f934): Likewise.
46         (TARGET_CPU_tsc701): Define as alias to TARGET_CPU_sparclet.
47         (CPP_CPU_SPEC): Add entry for -mcpu=leon.
48         (enum processor_type): Add PROCESSOR_LEON.  Reorganize.
49         * config/sparc/sparc.c (leon_costs): New cost array.
50         (sparc_option_override): Add entry for TARGET_CPU_leon and -mcpu=leon.
51         Initialize cost array to leon_costs if -mtune=leon.
52         * config/sparc/sparc.md (cpu attribute): Add leon.  Reorganize.
53         Include leon.md scheduling description.
54         * config/sparc/leon.md: New file.
55         * config/sparc/t-elf: Do not assemble Solaris startup files.
56         * config/sparc/t-leon: New file.
57         * config/sparc/t-leon3: Likewise.
58
59 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
60
61         PR tree-optimization/43655
62         * tree-ssa-ter.c (is_replaceable_p): Don't use
63         gimple_references_memory_p for -O0, instead check for load
64         by looking at rhs.
65
66 2010-12-16  Sebastian Pop  <sebastian.pop@amd.com>
67
68         PR tree-optimization/46404
69         * graphite-clast-to-gimple.c (gloog): Call scev_reset.
70
71 2010-12-16  Anatoly Sokolov  <aesok@post.ru>
72
73         * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
74         * config/sh/sh.c (sh_asm_output_addr_const_extra): New function.
75         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
76
77 2010-12-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
78
79         * config/spu/t-spu-elf (LIB2_SIDITI_CONV_FUNC): Define.
80         * config/spu/spu.h (MIN_UNITS_PER_WORD): Do not define.
81         (LIBGCC2_UNITS_PER_WORD): Define if not already defined.
82
83 2010-12-16  Jakub Jelinek  <jakub@redhat.com>
84
85         PR debug/46893
86         * cfgexpand.c (expand_debug_expr): If GET_MODE (op0) is VOIDmode,
87         use TYPE_MODE (TREE_TYPE (tem)) instead of mode1.
88
89 2010-12-16  Chung-Lin Tang  <cltang@codesourcery.com>
90
91         PR target/46883
92         * config/arm/arm.md
93         (zero_extendhisi2 for register input splitter): Change
94         "register_operand" to "s_register_operand".
95         (zero_extendqisi2 for register input splitter): Same.
96
97 2010-12-16  Jan Hubicka  <jh@suse.cz>
98
99         PR middle-end/46939
100         * predic.c (predict_paths_leading_to_edge): New function.
101         (apply_return_prediction): Use it.
102         (predict_paths_for_bb): Do not special case abnormals.
103
104 2010-12-16  Joseph Myers  <joseph@codesourcery.com>
105
106         * config.gcc (powerpc-*-lynxos*): Don't add lynx.opt to
107         extra_options twice.
108
109 2010-12-15  Joseph Myers  <joseph@codesourcery.com>
110
111         * doc/tm.texi.in (US_SOFTWARE_GOFAST): Don't document.
112         * doc/tm.texi: Regenerate.
113         * system.h (US_SOFTWARE_GOFAST): Poison.
114         * config.gcc (enable_gofast): Don't handle.
115         * config/gofast.h: Remove.
116         * config/mips/t-gofast: Remove.
117         * config/fp-bit.c (US_SOFTWARE_GOFAST): Don't handle.
118         * config/fp-bit.h (US_SOFTWARE_GOFAST): Don't handle.
119         * config/mips/elforion.h: Don't mention GOFAST in comment.
120         * config/mips/mips.c: Don't include gofast.h.
121         (mips_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
122         * config/mips/t-sr71k (dp-bit.c, fp-bit.c): Don't define
123         US_SOFTWARE_GOFAST.
124         * config/sparc/sparc.c: Don't include gofast.h.
125         (sparc_init_libfuncs): Don't call gofast_maybe_init_libfuncs.
126         * config/spu/t-spu-elf (dp-bit.c, fp-bit.c): Don't undefine
127         US_SOFTWARE_GOFAST.
128
129 2010-12-14  Jan Hubicka  <jh@suse.cz>
130
131         * tree.c (get_file_function_name): Avoid using random seed on GLOBAL_sub_I
132         and GLOBAL_sub_D.
133
134 2010-12-15  Martin Jambor  <mjambor@suse.cz>
135
136         PR tree-optimization/46053
137         PR middle-end/46287
138         PR middle-end/46242
139         * cgraph.h (cgraph_indirect_call_info): New field thunk_delta.
140         * gimple.h (gimple_fold_obj_type_ref): Declaration removed.
141         (gimple_fold_call): Declare.
142         (gimple_adjust_this_by_delta): Likewise.
143         * cgraph.c (cgraph_make_edge_direct): New parameter delta.  Updated
144         all users.
145         (cgraph_clone_edge): Create a copy of indirect_info also for direct
146         edges.
147         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Adjust this
148         parameters.
149         * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Renamed to
150         gimple_get_virt_mehtod_for_binfo, new parameter delta.  Do not search
151         through thunks, in fact bail out if we encounter one, check that
152         BINFO_VIRTUALS is not NULL.
153         (gimple_adjust_this_by_delta): New function.
154         (gimple_fold_obj_type_ref): Removed.
155         (gimple_fold_obj_type_ref_call): New function.
156         (fold_gimple_call): Renamed to gimple_fold_call, made external.
157         Updated users.  Call gimple_fold_obj_type_ref_call instead of
158         gimple_fold_obj_type_ref.
159         * ipa-cp.c (ipcp_process_devirtualization_opportunities): Process
160         thunk deltas.
161         (ipcp_discover_new_direct_edges): Likewise.
162         * ipa-prop.c (ipa_make_edge_direct_to_target): New parameter delta.
163         Updated callers.
164         (ipa_write_indirect_edge_info): Stream thunk_delta.
165         (ipa_read_indirect_edge_info): Likewise.
166         * tree-ssa-ccp.c (ccp_fold_stmt): Use gimple_fold_call instead of
167         gimple_fold_obj_type_ref.
168
169 2010-12-15  Alexander Monakov  <amonakov@ispras.ru>
170
171         PR rtl-optimization/46649
172         * sel-sched-ir.c (purge_empty_blocks): Unconditionally skip the first
173         basic block in the region.
174
175 2010-12-15  Joseph Myers  <joseph@codesourcery.com>
176
177         * config/stormy16/stormy16.h (LINK_SPEC, WCHAR_TYPE): Define.
178         * config.gcc (xstormy16-*-elf): Don't use svr4.h.
179
180 2010-12-15  Joseph Myers  <joseph@codesourcery.com>
181
182         * config/rx/rx.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
183         * config.gcc (rx-*-elf*): Don't use svr4.h.
184
185 2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>
186
187         PR tree-optimization/46845
188         * sese.c (scalar_evolution_in_region): Handle scop parameters
189         before scev analysis.
190
191 2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>
192
193         PR tree-optimization/46928
194         * tree-data-ref.c (analyze_overlapping_iterations): Handle "A[p] == A[p]"
195         in data dependence analysis with p a parameter of the loop.
196
197 2010-12-14  Sebastian Pop  <sebastian.pop@amd.com>
198
199         PR tree-optimization/45948
200         * tree-loop-distribution.c (ssa_name_has_uses_outside_loop_p): New.
201         (stmt_has_scalar_dependences_outside_loop): New.
202         (stmt_generated_in_another_partition): New.
203         (add_scalar_computations_to_partition): New.
204         (rdg_build_partitions): Call add_scalar_computations_to_partition.
205
206 2010-12-14  Joseph Myers  <joseph@codesourcery.com>
207
208         * config/arc/arc.h (LIB_SPEC): Define.
209         * config.gcc (arc-*-elf*): Don't use svr4.h.
210
211 2010-12-14  Joseph Myers  <joseph@codesourcery.com>
212
213         * config/sh/elf.h (LIB_SPEC): Define.
214         * config.gcc (sh-*-elf* | sh[12346l]*-*-elf* | sh-*-symbianelf* |
215         sh[12346l]*-*-symbianelf* | sh-*-linux* | sh[2346lbe]*-*-linux* |
216         sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* |
217         sh5l*-*-netbsd* | sh64-*-netbsd* | sh64l*-*-netbsd*, sh-*-rtems*,
218         sh-wrs-vxworks): Don't use svr4.h.
219
220 2010-12-14  Jan Hubicka  <jh@suse.cz>
221
222         PR lto/46940
223         PR lto/44463
224         * lto-symtab.c (lto_symtab_merge_cgraph_nodes_1): Construct nodes
225         for aliases when they are used.
226
227 2010-12-14  Joseph Myers  <joseph@codesourcery.com>
228
229         * config.gcc (sparc-*-elf*, sparc-*-rtems*, sparc-*-linux*,
230         sparc-*-netbsdelf*, sparc*-*-solaris2*, sparc-wrs-vxworks,
231         sparc64-*-elf*, sparc64-*-rtems*, sparc64-*-linux*,
232         sparc64-*-netbsd*, sparc64-*-openbsd*): Don't use svr4.h.
233
234 2010-12-14  Thomas Klein  <th.r.klein@web.de>
235
236         * config/arm/arm.c (arm_expand_prologue): Report the static stack
237         size if -fstack-usage is used.
238         (thumb1_expand_prologue): Likewise.
239
240 2010-12-14  Jakub Jelinek  <jakub@redhat.com>
241
242         PR debug/46885
243         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Use gsi_last_bb
244         instead of gsi_last_nondebug_bb if bump_in_latch.
245
246         PR tree-optimization/46909
247         * gimple-fold.c (and_var_with_comparison_1): Save partial
248         result even in the is_and case, if both partial results
249         are the same, return it.
250         (or_var_with_comparison_1): Use is_or predicate instead of
251         innercode == TRUTH_OR_EXPR test.  Save partial result
252         even in the is_or case, if both partial results are the
253         same, return it.  In the !is_or case when both partial
254         results are the same, return the partial result instead
255         of boolean_true_node.
256
257 2010-12-14  Jan Hubicka  <jh@suse.cz>
258
259         PR middle-end/46667
260         * varasm.c (assemble_start_function): Do not call resolve_unique_section.
261         * cfgexpand.c (gimple_expand_cfg): Resolve it here.
262
263 2010-12-14  Alexander Monakov  <amonakov@ispras.ru>
264
265         PR rtl-optimization/46875
266         * sched-vis.c (print_pattern): Dump "sequence" for ADDR_VECs.
267         * sel-sched-ir.c (bb_has_removable_jump_to_p): Forbid table jumps.
268
269 2010-12-14  Kaushik Phatak <kaushik.phatak@kpitcummins.com>
270
271         * config/h8300/h8300.md (define_split) : Add condition for
272         "and with single_zero" splitter to handle 16-bit const operands.
273         * config/h8300/h8300.md (define_split) : Add condition for
274         "ior with single_one" splitter to handle 16-bit const operands.
275         * config/h8300/h8300.md (define_split) : Add condition for
276         "xor with single_one" splitter to handle 16-bit const operands. 
277         * testsuite/gcc.dg/h8300-bit-insn-ice.c: New.
278
279 2010-12-13  Jan Hubicka  <jh@suse.cz>
280
281         PR middle-end/45388
282         * ipa.c (cgraph_build_static_cdtor_1): Break out from ... ; add FINAL parameter.
283         (cgraph_build_static_cdtor): ... here.
284         (build_cdtor): Use cgraph_build_static_cdtor_1.
285
286 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
287
288         * config/m32c/m32c.h (ENDFILE_SPEC, LINK_SPEC, SIZE_TYPE,
289         PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
290         * config.gcc (m32c-*-rtems*, m32c-*-elf*): Don't use svr4.h.
291
292 2010-12-14  Bernd Schmidt  <bernds@codesourcery.com>
293
294         PR rtl-optimization/44374
295         Reapply patch with fixes.
296         * basic-block.h (enum bb_flags): Add BB_MODIFIED.
297         * df-core.c (df_set_bb_dirty): Set it.
298         * ifcvt.c (find_memory): Remove function.
299         (dead_or_predicable): Use can_move_insns_across.
300         * df.h (can_move_insns_across): Declare function.
301         * cfgcleanup.c (block_was_dirty): New static variable.
302         (flow_find_head_matching_sequence): Test for epilogue notes.
303         (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
304         than df_get_bb_dirty.
305         (try_head_merge_bb): New static function.
306         (try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
307         is set.
308         * df-problems.c: Include "target.h"
309         (df_simulate_find_uses): New static function.
310         (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
311         (find_memory, find_memory_store): New static functions.
312         (can_move_insns_across): New function.
313         * Makefile.in (df-problems.o): Update dependencies.
314
315 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
316
317         * config/xtensa/elf.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
318         (DBX_REGISTER_NUMBER): Undefine.
319         * config/xtensa/linux.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
320         (DBX_REGISTER_NUMBER): Undefine.
321         * config.gcc (xtensa*-*-elf*, xtensa*-*-linux*): Don't use svr4.h.
322
323 2010-12-13  Jack Howarth <howarth@bromo.med.uc.edu>
324             Joseph Myers <joseph@codesourcery.com>
325
326         PR bootstrap/46650
327         * system.h: Include cstring for cxx bootstrap.
328
329 2010-12-13  Jakub Jelinek  <jakub@redhat.com>
330
331         PR lto/46879
332         * lto-streamer-out.c (output_gimple_stmt): Never replace first
333         GIMPLE_DEBUG argument with MEM_REF.
334
335         PR debug/46867
336         * var-tracking.c (emitted_notes, string_pointer_flags): Removed.
337         (emit_note_insn_var_location): Remove ENABLE_RTL_CHECKING verification.
338         (vt_emit_notes): Don't initialize and destroy emitted_notes.
339
340 2010-12-13  Nathan Froyd  <froydnj@codesourcery.com>
341
342         PR target/46040
343         * config.gcc (arm*-*-linux-*eabi): Use bpabi-lib.h.
344         (arm*-*-uclinux*eabi, arm*-*-eabi*): Likewise.
345
346 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
347
348         * config/v850/v850.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
349         WCHAR_TYPE_SIZE): Define.
350         * config.gcc (v850e1-*-*, v850e-*-*, v850-*-*): Don't use svr4.h.
351
352 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
353
354         * config.gcc (s390-*-linux*, s390x-*-linux*, s390x-ibm-tpf*):
355         Don't use svr4.h.
356
357 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
358
359         * config/mn10300/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
360         WCHAR_TYPE_SIZE): Undefine.
361         * config/mn10300/mn10300.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
362         WCHAR_TYPE_SIZE): Define.
363         * config.gcc (mn10300-*-*): Don't use svr4.h.
364
365 2010-12-13  Joseph Myers  <joseph@codesourcery.com>
366
367         * config/m68k/linux.h (DBX_REGISTER_NUMBER): Undefine and
368         redefine.
369         (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
370         * config.gcc (m68k-*-uclinux*, m68k-*-linux*): Don't use svr4.h.
371
372 2010-12-13  Alexandre Oliva  <aoliva@redhat.com>
373
374         PR debug/46756
375         * jump.c (mark_all_labels): Skip debug insns.
376
377 2010-12-13  Alexandre Oliva  <aoliva@redhat.com>
378
379         PR debug/46782
380         * cfgcleanup.c (try_forward_edges): Skip debug insns.
381
382 2010-12-12  Jan Hubicka  <jh@suse.cz>
383             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
384
385         * varasm.c (default_function_section): Check flag_reorder_functions
386         and targetm.have_named_sections.
387         * config/darwin.c (darwin_function_section): Check
388         flag_reorder_functions.
389
390 2010-12-12  Finn Thain  <fthain@telegraphics.com.au>
391
392         PR target/46179
393         * config/m68k/m68k.c (handle_move_double): Insert calls to
394         m68k_final_prescan_insn to clean up @TLS operand syntax.
395
396 2010-12-10  Sebastian Pop  <sebastian.pop@amd.com>
397
398         PR tree-optimization/43023
399         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p):
400         Removed.
401         (stores_zero_from_loop): Call stmt_stores_zero.
402         * tree-data-ref.h (stmt_stores_zero): New.
403         * tree-loop-distribution.c (generate_memset_zero): Do not return a
404         boolean.  Call gcc_assert on stride_of_unit_type_p.
405         (generate_builtin): Call stmt_stores_zero.
406         (rdg_flag_all_uses): Removed.
407         (rdg_flag_similar_memory_accesses): Removed.
408         (build_rdg_partition_for_component): Removed parameter
409         other_stores.  Removed call to rdg_flag_similar_memory_accesses.
410         (can_generate_builtin): New.
411         (similar_memory_accesses): New.
412         (fuse_partitions_with_similar_memory_accesses): New.
413         (rdg_build_partitions): Call
414         fuse_partitions_with_similar_memory_accesses.
415
416 2010-12-10  Jakub Jelinek  <jakub@redhat.com>
417
418         PR rtl-optimization/46804
419         * regmove.c (optimize_reg_copy_3): Look for REG_EQUAL note
420         on the setter of src_reg rather than on insn.  If it is
421         equal to the setter's original SET_SRC, replace it with its
422         zero or sign extension instead of dropping it.
423
424 2010-12-10  Richard Guenther  <rguenther@suse.de>
425
426         PR lto/46808
427         * lto-symtab.c (lto_symtab_merge_decls_2): Avoid type warnings
428         after errors.
429         (lto_symtab_merge_decls_1): Adjust.
430
431 2010-12-10  Dave Korn  <dave.korn.cygwin@gmail.com>
432
433         PR middle-end/46674
434         PR lto/43157
435         * target.def (mangle_assembler_name): New target asm_out hook.
436         * targhooks.c (default_mangle_assembler_name): Add default hook
437         implementation.
438         * targhooks.h (default_mangle_assembler_name): Add prototype.
439         * lto-symtab.c (lto_symtab_register_decl): Use new hook when
440         processing DECL_ASSEMBLER_NAMEs for lto symtabs.
441         (lto_symtab_get_resolution): Likewise.
442         (lto_cgraph_replace_node): Likewise.
443         (lto_symtab_prevailing_decl): Likewise.
444         * lto-streamer-out.c (write_symbol): Likewise.
445         * doc/tm.texi.in (TARGET_MANGLE_ASSEMBLER_NAME): Add @hook directive.
446         * doc/tm.texi: Regenerate.
447         * config/i386/cygming.h (TARGET_MANGLE_ASSEMBLER_NAME): Define to
448         point at i386_pe_mangle_assembler_name.
449         * config/i386/winnt.c (i386_pe_mangle_assembler_name): New function.
450         * config/i386/i386-protos.h (i386_pe_mangle_assembler_name): Add
451         prototype.
452
453 2010-12-10  Nathan Froyd  <froydnj@codesourcery.com>
454
455         * c-typeck.c (readonly_error): Delete.
456
457 2010-12-10  Jakub Jelinek  <jakub@redhat.com>
458
459         PR rtl-optimization/46865
460         * rtl.c (rtx_equal_p_cb, rtx_equal_p): For last operand of
461         ASM_OPERANDS and ASM_INPUT if integers are different,
462         call locator_eq.
463         * jump.c (rtx_renumbered_equal_p): Likewise.
464
465         PR tree-optimization/46864
466         * tree-ssa-loop-im.c (loop_suitable_for_sm): Return false even
467         when there are EDGE_EH exit edges.
468
469 2010-12-10  Tobias Burnus  <burnus@net-b.de>
470
471         PR fortran/46540
472         * configure.ac: Handle --disable-libquadmath-support.
473         * doc/install.texi: Document --disable-libquadmath and
474         --disable-libquadmath-support
475         * configure: Regenerate.
476         * config.in: Regenerate.
477
478 2010-12-10  Jack Howarth  <howarth@bromo.med.uc.edu>
479             Iain Sandoe  <iains@gcc.gnu.org>
480
481         PR 43751/target
482         * config/darwin9.h (DSYMUTIL_SPEC): Add fortran source types.
483
484 2010-12-10  Iain Sandoe <iains@gcc.gnu.org>
485
486         * config/rs6000/rs6000.c
487         (rs6000_darwin64_record_arg_advance_recurse): Name register increment
488         explicitly.  (rs6000_darwin64_record_arg_recurse): Make sure we split
489         long doubles when we run out of regs.   Also flag that this requires
490         stack and therefore cannot be returned by value.
491         (rs6000_darwin64_record_arg): Update comment.
492         (rs6000_function_value): Likewise.
493
494 2010-12-10  Nicola Pero  <nicola.pero@meta-innovation.com>
495
496         * c-parser.c (c_parser_objc_class_definition): Recognize
497         Objective-C 2.0 class extensions.
498
499 2010-12-10  Iain Sandoe <iains@gcc.gnu.org>
500
501         * config/darwin.c: Remove c-tree.h and c-lang.h
502         * config/t-darwin: Remove dependencies on c-tree.h and c-lang.h.
503
504 2010-12-10  Joern Rennecke  <amylaar@spamcop.net>
505
506         PR target/46881
507         * doc/tm.texi: Regenerate.
508         * target.def: Fix "preferred" spelling.  Refer to rclass by its
509         exact name.
510         * config/arm/arm.c (arm_preferred_rename_class): Rename parameter class
511         to rclass.
512
513 2010-12-09  Paul Koning  <ni1d@arrl.net>
514
515         * config/pdp11/pdp11-protos.h (output_move_double,
516         output_move_quad): Delete.
517         (output_move_multiple, pdp11_expand_operands): New functions.
518         (pdp11_action, pdp11_partorder): New enums.
519         * config/pdp11/pdp11.md (movdi, movsi, movdf, movsf): Use
520         output_move_multiple.
521         (adddi3, subdi3, negdi2): New patterns.
522         (addsi3, subsi3, negsi2): Use pdp11_expand_operands.
523         (abshi2): Delete.
524         (neghi2, negqi2): Use PDPint iterator.
525         * config/pdp11/pdp11.c (find_addr_reg, output_move_double,
526         output_move_quad): Delete.
527         (pdp11_expand_operands, output_move_multiple): New functions.
528
529 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
530
531         * config/vax/linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
532         * config.gcc (vax-*-linux*): Don't use svr4.h.
533
534 2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>
535
536         * c-typeck.c (build_indirect_ref): Call invalid_indirection_error.
537
538 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
539
540         * doc/extend.texi (Attribute Syntax): Correct description of
541         attributes in pointer declarators.
542
543 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
544
545         * config/mips/vxworks.h (DBX_REGISTER_NUMBER): Undefine.
546         * config.gcc (mips64*-*-linux* | mipsisa64*-*-linux*,
547         mips*-*-linux*, mips-wrs-vxworks): Don't use svr4.h.
548
549 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
550
551         * config/mep/mep.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
552         WCHAR_TYPE_SIZE): Define.
553         * config.gcc (mep-*-*): Don't use svr4.h.
554
555 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
556
557         * config/mcore/mcore.h (PTRDIFF_TYPE, WCHAR_TYPE,
558         WCHAR_TYPE_SIZE): Define.
559         * config/svr3.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
560         WCHAR_TYPE_SIZE): Don't define.
561         * config.gcc (mcore-*-elf): Don't use svr4.h.
562
563 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
564
565         * config.gcc (m32r-*-elf*, m32rle-*-elf*, m32r-*-rtems*,
566         m32r-*-linux*, m32rle-*-linux*): Don't use svr4.h.
567
568 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
569
570         * config/iq2000/iq2000.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
571         WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
572         * config.gcc (iq2000*-*-elf*): Don't use svr4.h.
573
574 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
575
576         * config.gcc (ia64*-*-linux*, ia64*-*-hpux*): Don't use svr4.h.
577
578 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
579
580         * config/pa/pa32-linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
581         * config.gcc (hppa*64*-*-linux*, hppa*-*-linux*): Don't use
582         svr4.h.
583
584 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
585
586         * config/moxie/moxie.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
587         WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
588         * config/moxie/rtems.h (LINK_SPEC, SIZE_TYPE, PTRDIFF_TYPE,
589         WCHAR_TYPE, WCHAR_TYPE_SIZE): Undefine.
590         * config.gcc (moxie-*-elf, moxie-*-uclinux*): Don't use svr4.h.
591
592 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
593
594         * config/frv/frv.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
595         WCHAR_TYPE_SIZE): Define.
596         * config.gcc (frv-*-elf, frv-*-*linux*): Don't use svr4.h.
597
598 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
599
600         * config/fr30/fr30.h (LIB_SPEC, LINK_SPEC, SIZE_TYPE,
601         PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
602         * config.gcc (fr30-*-elf): Don't use svr4.h.
603
604 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
605
606         * config/cris/linux.h (SIZE_TYPE, PTRDIFF_TYPE): Define.
607         * config.gcc (crisv32-*-linux* | cris-*-linux*): Don't use svr4.h.
608
609 2010-12-09  Richard Guenther  <rguenther@suse.de>
610
611         PR middle-end/46844
612         * gimple-fold.c (canonicalize_constructor_val): Canonicalize
613         addresses.
614
615 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
616
617         * config/i386/netware.h (TARGET_POSIX_IO): Define.
618         * config/i386/nto.h (TARGET_POSIX_IO): Define.
619         * config/ia64/hpux.h (TARGET_POSIX_IO): Define.
620         * config/moxie/moxie.h (TARGET_POSIX_IO): Don't undefine.
621         * config/openbsd.h (TARGET_POSIX_IO): Define.
622         * config/rtems.h (TARGET_POSIX_IO): Define.
623         * config/sh/embed-elf.h (TARGET_POSIX_IO): Don't undefine.
624         * config/sol2.h (TARGET_POSIX_IO): Define.
625         * config/svr4.h (TARGET_POSIX_IO): Don't define.
626         * config/vxworksae.h (TARGET_POSIX_IO): Define.
627
628 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
629
630         * config/i386/nto.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
631         * config/ia64/hpux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
632         Define.
633         * config/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
634         undefine.
635         * config/mips/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
636         undefine.
637         * config/mips/netbsd.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
638         Don't undefine.
639         * config/rs6000/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
640         Don't undefine.
641         * config/rs6000/linux64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
642         Don't undefine.
643         * config/sol2.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
644         * config/sparc/netbsd-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
645         Don't undefine.
646         * config/sparc/openbsd64.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
647         Don't undefine.
648         * config/sparc/sp64-elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
649         Don't undefine.
650         * config/svr4.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
651         define.
652         * config/xtensa/elf.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Don't
653         undefine.
654
655 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
656
657         * config/ia64/hpux.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
658         non-GNU assembler.
659         * config/m68k/netbsd-elf.h (AS_NEEDS_DASH_FOR_PIPED_INPUT):
660         Remove.
661         * config/m68k/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
662         * config/mips/openbsd.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
663         * config/sol2.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Define for
664         non-GNU assembler.
665         * config/sparc/sparc.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
666         * config/svr4.h (AS_NEEDS_DASH_FOR_PIPED_INPUT): Remove.
667
668 2010-12-09  Martin Jambor  <mjambor@suse.cz>
669
670         * ipa-prop.c (compute_complex_ancestor_jump_func): Work also if the
671         zero is the first phi parameter.
672
673 2010-12-09  Martin Jambor  <mjambor@suse.cz>
674
675         * ipa-prop.h (struct ipa_parm_adjustment): New field alias_ptr_type.
676         * ipa-prop.c (ipa_modify_call_arguments): Use it.
677         * tree-sra.c (splice_param_accesses): Test that all accesses have the
678         same alias reference type.
679         (turn_representatives_into_adjustments): Set alias_ptr_type of the
680         adjustment.
681
682 2010-12-09  Martin Jambor  <mjambor@suse.cz>
683
684         PR middle-end/46734
685         * tree-sra.c (splice_param_accesses): Check that there are not
686         multiple ADDRESSABLE types.
687
688 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
689
690         * config/arc/arc.h (ASM_SPEC): Remove %{v}.
691         * config/bfin/bfin.h (ASM_SPEC): Remove %{v}.
692         * config/cris/cris.h (ASM_SPEC): Remove %{v:-v}.
693         * config/fr30/fr30.h (ASM_SPEC): Remove %{v}.
694         * config/frv/frv.h (ASM_SPEC): Remove %{v}.
695         * config/i386/linux.h (ASM_SPEC): Remove %{v}.
696         * config/i386/linux64.h (ASM_SPEC): Remove %{v}.
697         * config/i386/mingw-w64.h (ASM_SPEC): Remove %{v}.
698         * config/i386/sol2-10.h (ASM_SPEC): Remove %{v}.
699         * config/i386/vxworks.h (ASM_SPEC): Remove %{v}.
700         * config/i386/x86-64.h (ASM_SPEC): Remove %{v}.
701         * config/lm32/lm32.h (ASM_SPEC): Remove %{v}.
702         * config/m32r/m32r.h (ASM_SPEC): Remove %{v}.
703         * config/m68k/linux.h (ASM_SPEC): Remove %{v:-V}.
704         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{v}.
705         * config/mips/mips.h (ASM_SPEC): Remove %{v}.
706         * config/mips/vxworks.h (ASM_SPEC): Remove %{v}.
707         * config/pa/pa-linux.h (ASM_SPEC): Remove %{v:-V}.
708         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Remove %{v}.
709         * config/rs6000/linux64.h (ASM_SPEC): Remove %{v:-V}.
710         * config/rs6000/vxworks.h (ASM_SPEC): Remove %{v:-v}.
711         * config/sparc/openbsd64.h (ASM_SPEC): Remove %{v:-V}.
712         * config/svr4.h (SVR4_ASM_SPEC): Remove %{v:-V}.
713         * config/xtensa/elf.h (ASM_SPEC): Remove %{v}.
714         * config/xtensa/linux.h (ASM_SPEC): Remove %{v}.
715
716 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
717
718         * config/i386/openbsdelf.h (LINK_SPEC): Use %{r:} not %{r*:}.
719         * config/mips/openbsd.h (LINK_SPEC): Use %{r:} not %{r*:}.
720         * config/netbsd-aout.h (NETBSD_LINK_SPEC_AOUT): Use %{r:} not
721         %{r*:}.
722         * config/netbsd-elf.h (NETBSD_LINK_SPEC_ELF): Use %{r:} not
723         %{r*:}.
724         * config/sparc/openbsd64.h (LINK_SPEC): Use %{r:} not %{r*:}.
725         * config/vax/netbsd-elf.h (LINK_SPEC): Use %{r:} not %{r*:}.
726
727 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
728
729         * config/alpha/freebsd.h (LINK_SPEC): Don't use
730         %{!dynamic-linker:}.
731         * config/alpha/linux-elf.h (LINK_SPEC): Likewise.
732         * config/arm/freebsd.h (LINK_SPEC): Likewise.
733         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Likewise.
734         * config/bfin/linux.h (LINK_SPEC): Likewise.
735         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Likewise.
736         * config/frv/linux.h (LINK_SPEC): Likewise.
737         * config/i386/freebsd.h (LINK_SPEC): Likewise.
738         * config/i386/freebsd64.h (LINK_SPEC): Likewise.
739         * config/i386/linux.h (LINK_SPEC): Likewise.
740         * config/i386/linux64.h (LINK_SPEC): Likewise.
741         * config/i386/openbsdelf.h (LINK_SPEC): Likewise.
742         * config/ia64/freebsd.h (LINK_SPEC): Likewise.
743         * config/ia64/linux.h (LINK_SPEC): Likewise.
744         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
745         * config/m32r/linux.h (LINK_SPEC): Likewise.
746         * config/m68k/linux.h (LINK_SPEC): Likewise.
747         * config/microblaze/linux.h (LINK_SPEC): Likewise.
748         * config/mips/linux.h (LINK_SPEC): Likewise.
749         * config/mips/linux64.h (LINK_SPEC): Likewise.
750         * config/mips/openbsd.h (LINK_SPEC): Likewise.
751         * config/mn10300/linux.h (LINK_SPEC): Likewise.
752         * config/netbsd-elf.h (LINK_SPEC): Likewise.
753         * config/pa/pa-linux.h (LINK_SPEC): Likewise.
754         * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC32,
755         LINK_OS_LINUX_SPEC64): Likewise.
756         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC,
757         LINK_OS_LINUX_SPEC, LINK_OS_GNU_SPEC, LINK_OS_NETBSD_SPEC):
758         Likewise.
759         * config/s390/linux.h (LINK_SPEC): Likewise.
760         * config/sh/linux.h (SUBTARGET_LINK_SPEC): Likewise.
761         * config/sparc/freebsd.h (LINK_SPEC): Likewise.
762         * config/sparc/linux.h (LINK_SPEC): Likewise.
763         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
764         LINK_SPEC): Likewise.
765         * config/sparc/openbsd64.h (LINK_SPEC): Likewise.
766         * config/vax/linux.h (LINK_SPEC): Likewise.
767         * config/xtensa/linux.h (LINK_SPEC): Likewise.
768
769 2010-12-09  Joseph Myers  <joseph@codesourcery.com>
770
771         * config/bfin/bfin.h (ASM_SPEC): Remove %{n} and %{T}.
772         * config/frv/frv.h (ASM_SPEC): Likewise.
773         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
774         * config/i386/sol2.h (ASM_SPEC): Likewise.
775         * config/m68k/linux.h (ASM_SPEC): Likewise.
776         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
777         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
778         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
779         * config/sol2.h (ASM_SPEC): Likewise.
780         * config/sparc/linux.h (ASM_SPEC): Likewise.
781         * config/sparc/linux64.h (ASM_SPEC): Likewise.
782         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
783         * config/sparc/sysv4.h (ASM_SPEC): Likewise.
784         * config/svr4.h (SVR4_ASM_SPEC): Likewise.
785
786 2010-12-09  Richard Guenther  <rguenther@suse.de>
787
788         * reginfo.c (struct subregs_of_mode_node): Remove.
789         (subregs_of_mode): Likewise.
790         (som_hash): Likewise.
791         (som_eq): Likewise.
792         (invalid_mode_changes): New bitmap.
793         (record_subregs_of_mode): Get subregs_of_mode argument.
794         Fill in invalid_mode_changes bitmap.
795         (find_subregs_of_mode): Get subregs_of_mode argument and pass
796         it through.
797         (init_subregs_of_mode): Adjust.
798         (finish_subregs_of_mode): Likewise.
799         (invalid_mode_change_p): Query invalid_mode_changes bitmap.
800
801 2010-12-09  Richard Guenther  <rguenther@suse.de>
802
803         * ira.c (ira): Do not call finish_subregs_of_mode.
804         * ira-costs.c (finish_costs): Call finish_subregs_of_mode.
805
806 2010-12-09  Richard Guenther  <rguenther@suse.de>
807
808         * rtl.h (invalid_mode_change_p): Adjust prototype.
809         * reginfo.c (invalid_mode_change_p): Remove from argument.
810         * ira-costs.c (print_allocno_costs): Adjust callers.
811         (find_costs_and_classes): Likewise.
812
813 2010-12-09  Jakub Jelinek  <jakub@redhat.com>
814
815         * config/s390/s390.md (*mov<mode>cc): Change lgoc and stgoc to
816         locg and stocg even in comment.
817         (sync_old_<atomic><mode>): Give mode to UNSPEC_VOLATILE.
818
819         PR target/41082
820         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Use stvx
821         instead of stve*x.
822         (altivec_expand_stv_builtin): For op0 use mode of operand 1 instead
823         of operand 0.
824         * config/rs6000/altivec.md (VI_scalar): New mode attr.
825         (altivec_stve<VI_char>x, *altivec_stvesfx): Use scalar instead of
826         vector mode for operand 0, put operand 1 into UNSPEC.
827
828 2010-12-09  Yao Qi  <yao@codesourcery.com>
829
830         * config/arm/arm.c (arm_preferred_rename_class): Implement targethook
831         PREFERRED_RENAME_CLASS.
832
833 2010-12-08  Ian Lance Taylor  <iant@google.com>
834
835         * doc/sourcebuild.texi (Front End): Remove reference to
836         snapshot-README and snapshot-index.html.
837
838 2010-12-08  Ian Lance Taylor  <iant@google.com>
839
840         * doc/sourcebuild.texi (Texinfo Manuals): Change update_web_docs
841         to update_web_docs_svn.
842         (Front End): Likewise.
843
844 2010-12-08  Iain Sandoe <iains@gcc.gnu.org>
845
846         gcc/config.gcc (with_cpu): Default i[34567]86-*-darwin* and
847         x86_64-*-darwin* to with_cpu:-core2.
848         gcc/config/i386/mmx.md (*mov<mode>_internal_rex64): Replace movq
849         with movd for darwin assembler.
850         gcc/config/i386/sse.md (*vec_concatv2di_rex64_sse4_1): Ditto.
851         (*vec_concatv2di_rex64_sse): Ditto.
852
853 2010-12-08  Richard Guenther  <rguenther@suse.de>
854             Sebastian Pop  <sebastian.pop@amd.com>
855
856         PR tree-optimization/45230
857         PR tree-optimization/45231
858         PR tree-optimization/45370
859         * sese.c (rename_uses): Returns a bool.  Call
860         recompute_tree_invariant_for_addr_expr only on the RHS of a
861         GIMPLE_ASSIGN.
862         (graphite_copy_stmts_from_block): Call fold_stmt_inplace when
863         rename_uses returns true.
864         * tree-ssa-copy.c (replace_exp): Add a comment about calling
865         fold_stmt_inplace after replace_exp.
866
867 2010-12-08  Mike Stump  <mikestump@comcast.net>
868
869         PR debug/46749
870         * config/darwin.h (COLLECT_RUN_DSYMUTIL): Add.
871         (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
872         * config/darwin9.h (COLLECT_RUN_DSYMUTIL): Add.
873         (DSYMUTIL_SPEC): Use `linker' flags instead to handle lto better.
874         * collect2.c (post_ld_pass): Add.
875         (process_args): Add.
876         (maybe_run_lto_and_relink): Call post_ld_pass after ld.
877         (main): Likewise.  Call process_args.
878
879 2010-12-08  Jakub Jelinek  <jakub@redhat.com>
880
881         PR middle-end/46844
882         * regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
883         parameter.
884
885 2010-12-08  Richard Earnshaw  <rearnsha@arm.com>
886
887         PR target/46631
888         * arm.c (thumb2_reorg): Also try to reduce <commutative_op> Rd, Rn, Rd
889         into a 16-bit instruction.
890
891 2010-12-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
892
893         PR middle-end/42694
894         * builtins.c (expand_builtin_pow_root): Don't optimize pow(x,y)
895         where y is 0.25, 1./6., or 0.75 if the target does not have a sqrt
896         instruction, but do optimize if y is 0.5 or 1./3. since that
897         changes an expensive call into a cheaper one.
898
899 2010-12-08  Richard Guenther  <rguenther@suse.de>
900
901         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
902         instead of a division to divide by BITS_PER_UNIT.
903
904 2010-12-08  Richard Guenther  <rguenther@suse.de>
905
906         * gimplify.c (gimple_tree_eq): Assert hashes are equal only
907         when checking is enabled.
908
909 2010-12-07  Andrey Belevantsev  <abel@ispras.ru>
910
911         PR target/43603
912         * haifa-sched.c (sched_create_recovery_edges): Update
913         dominator info.
914         * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
915         after deleting an empty block.
916         (tidy_control_flow): Also verify dominators.
917         (sel_remove_bb): Update dominator info after removing a block.
918         (sel_redirect_edge_and_branch_force): Assert that no unreachable
919         blocks will be created. Update dominator info.
920         (sel_redirect_edge_and_branch): Update dominator info when
921         basic blocks do not become unreachable.
922         (sel_remove_loop_preheader): Update dominator info.
923
924 2010-12-07  Richard Guenther  <rguenther@suse.de>
925
926         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
927         Reset alignment information.
928         (bump_vector_ptr): Likewise.
929
930 2010-12-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
931
932         PR middle-end/46671
933         PR target/46685
934         * config/pa/pa.c (pa_function_section): New function.
935         (TARGET_ASM_FUNCTION_SECTION): Define.
936
937 2010-12-07  Ian Lance Taylor  <iant@google.com>
938             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
939
940         PR bootstrap/46810
941         * configure.ac: Disable AC_MSG_ERROR while looking for the C++
942         preprocessor.
943         * configure: Rebuild.
944
945 2010-12-07  Paul Koning  <ni1d@arrl.net>
946
947         * config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
948         values with sign rather than as unsigned.
949
950 2010-12-07  Paul Koning  <ni1d@arrl.net>
951
952         * config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
953         (pdp11_function_section): New function.
954
955 2010-12-07  Joseph Myers  <joseph@codesourcery.com>
956
957         * config/mcore/mcore.c Don't include assert.h.
958         (layout_mcore_frame, handle_structs_in_regs): Use gcc_assert.
959         * config/spu/spu.c: Don't include assert.h.
960         (spu_sms_res_mii): Use gcc_assert.
961
962 2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>
963
964         PR tree-optimization/42327
965         * tree-data-ref.c (omega_setup_subscript): Call build_int_cst
966         instead of using integer_minus_one_node.
967
968 2010-12-07  Nathan Froyd  <froydnj@codesourcery.com>
969
970         PR c++/45330
971         * params.def (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP): New parameter.
972         * doc/invoke.texi (cxx-max-namespaces-for-diagnostic-help): Document.
973
974 2010-12-07  Richard Guenther  <rguenther@suse.de>
975
976         PR tree-optimization/46832
977         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Check
978         that the call has a lhs.
979
980 2010-12-07  Yao Qi  <yao@codesourcery.com>
981
982         * Makefile.in: Add $(TARGET_H) to the regrename.o rule.
983         * regrename.c (struct du_head): Add new element length.
984         (sort_du_head, get_element, merge, merge_sort_comparison):
985         New functions of merge sort implementation to du_head list.
986         (regrename_optimize): Sort du_head linked list by length.
987         Iterate registers in a preferred-register-first order.
988         Move some code to ...
989         (check_new_reg_p): here.  New function.
990         (create_new_chain):  Initialize length.
991         (scan_rtx_reg): Increase length for non-debug insns.
992         * target.def: New hook preferred_rename_class.
993         * targhook.c (default_preferred_rename_class): New.
994         * targhook.h: Declare it.
995         * doc/tm.texi.in: New hook TARGET_PREFERRED_RENAME_CLASS.
996         * doc/tm.texi: Regenerate.
997
998 2010-12-07  Jakub Jelinek  <jakub@redhat.com>
999
1000         PR debug/46799
1001         * tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION
1002         instead of BUILTINS_LOCATION.
1003         (create_loop_fn): Add LOC argument, pass it to build_decl instead of
1004         BUILTINS_LOCATION.
1005         (create_parallel_loop): Add LOC argument, use it for OMP clauses
1006         and GIMPLE_*OMP* statements.
1007         (gen_parallel_loop): Determine locus for the parallel loop, pass it
1008         to create_loop_fn and create_parallel_loop.
1009         * cfgexpand.c (gimple_expand_cfg): For builtin functions, call
1010         set_curr_insn_source_location (UNKNOWN_LOCATION).
1011
1012 2010-12-07  Joern Rennecke  <amylaar@spamcop.net>
1013             Richard Guenther  <rguenther@suse.de>
1014
1015         PR target/46737
1016         * config/bfin/bfin.c (BB_AUX_INDEX): Cast to intptr_t.
1017         (bfin_reorder_loops): Change type of index to intptr_t.
1018
1019 2010-12-07  Richard Guenther  <rguenther@suse.de>
1020
1021         PR tree-optimization/46726
1022         * tree-inline.c (estimate_num_insns): Special case pow (x, 2.0).
1023
1024 2010-12-07  Richard Guenther  <rguenther@suse.de>
1025
1026         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
1027         virtual operands.
1028
1029 2010-12-07  Nicola Pero  <nicola.pero@meta-innovation.com>
1030
1031         * c-parser.c (c_parser_typeof_specifier): Removed special
1032         treatment of objc_volatilized attribute for Objective-C.
1033
1034 2010-12-06  Vladimir Makarov  <vmakarov@redhat.com>
1035
1036         * ira.c (update_equiv_regs): Prohibit move insns if
1037         pressure-sensitive scheduling was done.
1038
1039 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
1040
1041         * c-parser.c (c_parser_for_statement): Use c_fully_fold() instead
1042         of c_process_expr_stmt() for the iterating and collection
1043         expressions of an Objective-C fast enumeration loop.
1044
1045 2010-12-06  Jakub Jelinek  <jakub@redhat.com>
1046
1047         PR debug/45997
1048         * dwarf2out.c (modified_type_die): If both is_const_type and
1049         is_volatile_type is set, start with DW_TAG_const_type or
1050         DW_TAG_volatile_type depending on where we get qualified type
1051         in the recursive call.
1052
1053         PR target/43897
1054         * config/ia64/ia64.c (rtx_needs_barrier): Handle asm CLOBBER
1055         as a store into that register.
1056
1057         PR tree-optimization/46528
1058         PR debug/46338
1059         * profile.c (branch_prob): Make sure last is never set to a debug
1060         stmt.
1061
1062         PR debug/46771
1063         * reginfo.c (init_subregs_of_mode): Don't call find_subregs_of_mode
1064         on DEBUG_INSNs.
1065
1066         PR rtl-optimization/46777
1067         * cfglayout.c (duplicate_insn_chain): Avoid duplicating
1068         also barrier after tablejump.
1069
1070 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
1071             Richard Henderson  <rth@redhat.com>
1072
1073         PR target/46740
1074         * config/vax/vax.c (vax_output_int_move): Fold #if into if.
1075
1076 2010-12-06  Eric Botcazou  <ebotcazou@adacore.com>
1077
1078         * config/sparc/sol2.h (PUSHSECTION_FORMAT): Redefine unconditionally.
1079         * config/sparc/sol2-gas.h (PUSHSECTION_FORMAT): Redefine.
1080
1081 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
1082
1083         PR target/46735
1084         * config/frv/predicates.md (gpr_or_int12_operand): Use IN_RANGE.
1085         (gpr_fpr_or_int12_operand, gpr_or_int10_operand): Likewise.
1086         (int12_operand, int_2word_operand, uint16_operand): Likewise.
1087         (fpr_or_int6_operand, int6_operand, int5_operand): Likewise.
1088         (uint5_operand, uint4_operand): Likewise.
1089         * config/frv/frv.h (IN_RANGE_P): Delete.
1090         (GPR_P, FPR_P, CC_P, ICC_P, FCC_P, CR_P, ICR_P, FCR_P): Use IN_RANGE.
1091         (ACC_P, ACCG_P, SPR_P, CONST_OK_FOR_I, CONST_OK_FOR_J): Likewise.
1092         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1093         (CONST_OK_FOR_P): Likewise.
1094         * config/frv/frv.md (*movqicc_internal2_int): Likewise.
1095         (*movqicc_internal2_float, *movhicc_internal2_int): Likewise.
1096         (*movhicc_internal2_float, *movsicc_internal2_int): Likewise.
1097         (*movsicc_internal2_float, casesi): Likewise.
1098         * config/frv/frv.c (frv_frame_offset_rtx): Likewise.
1099         (frv_asm_output_mi_thunk, frv_legitimate_address_p_1): Likewise.
1100         (frv_emit_movsi, output_move_single, frv_emit_cond_move): Likewise.
1101         (frv_split_cond_move, frv_rtx_costs): Likewise.
1102
1103         PR target/46739
1104         * config/mmix/mmix.c (mmix_intval): Split shift count.
1105
1106 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
1107
1108         * config/i386/i386.c (m_COREI7): New.
1109         (initial_ix86_tune_features): Turn on
1110         X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and
1111         X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7.
1112
1113 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
1114
1115         * config.gcc: Allow corei7-avx for --with-arch/--with-cpu.
1116
1117         * config/i386/driver-i386.c (host_detect_local_cpu): Support
1118         Sandy Bridge.
1119
1120         * config/i386/i386.c (override_options): Handle "corei7-avx".
1121
1122         * doc/invoke.texi: Document corei7-avx.
1123
1124 2010-12-06  Richard Guenther  <rguenther@suse.de>
1125
1126         PR tree-optimization/46806
1127         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do not
1128         coalesce different types.
1129
1130 2010-12-06  Richard Guenther  <rguenther@suse.de>
1131
1132         PR tree-optimization/46785
1133         * tree-vect-loop.c (vect_is_simple_reduction_1): Also allow
1134         call statements as operand definition.
1135
1136 2010-12-06  Mingjie Xing  <mingjie.xing@gmail.com>
1137
1138         * doc/tm.texi.in: Fix typo.
1139         * doc/tm.texi: Regenerate.
1140
1141 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1142
1143         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]: Fix typo in
1144         last change.
1145
1146 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
1147
1148         * c-family/c-common.h: Removed the declarations of all the objc_
1149         callbacks, and moved them into c-objc.h.  Removed
1150         objc_ivar_visibility_kind and moved it into c-objc.h.
1151         * c-family/c-objc.h: New file.
1152         * c-family/c-common.c: Include c-objc.h.
1153         * c-family/c-format.c: Same change.
1154         * c-family/stub-objc.c: Same change.
1155         * c-decl.c: Include c-family/c-objc.h.
1156         * c-parser.c: Same change.
1157         * c-typeck.c: Same change.
1158         * c-config-lang.in (gtfiles): Added c-family/c-objc.h.
1159         * Makefile.in (c-decl.o): Depend on c-family/c-objc.h.
1160         (c-parser.o): same change.
1161         (c-typeck.o): Same change.
1162         (c-family/c-format.o): Same change.
1163         (c-family/stub-objc.o): Same change.
1164         (c-family/c-common.o): Same change.
1165         (PLUGIN_HEADERS): Added c-family/c-objc.h.
1166
1167 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1168
1169         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]:  Ignore
1170         --with-dwarf2 option.
1171
1172 2010-12-03  Jan Hubicka  <jh@suse.cz>
1173
1174         * lto-streamer-in.c (input_cfg): Fix pasto.
1175
1176 2010-12-03  Jan Hubicka  <jh@suse.cz>
1177
1178         * ipa.c (cgraph_externally_visible_p): Do not localize builtins
1179         and functions with user asm defined names.
1180         (varpool_externally_visible_p): Do not localize vars with user
1181         asm defined names.
1182
1183 2010-12-03  Jan Hubicka  <jh@suse.cz>
1184
1185         * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_ASSEMBLER_NAME
1186         to prevent mangling with lto frontend.
1187
1188 2010-12-03  Jan Hubicka  <jh@suse.cz>
1189
1190         * Makefile.in (LTO_STREAMER_H): Add GCOV_IO_H.
1191         * lto-cgraph.c (merge_profile_summaries): Fix thinko.
1192
1193 2010-12-03  Jan Hubicka  <jh@suse.cz>
1194
1195         PR tree-optimization/46760
1196         * cgraph.c (cgraph_create_node): Initialize count_materialization_scale.
1197         * cgraph.h (struct cgraph_node): Add count_materialization_scale.
1198         * lto-cgraph.c (lto_output_edge): Fix assert.
1199         (lto_output_node): Output count_materialization_scale.
1200         (output_profile_summary): Output only runs and sum_max.
1201         (input_node): Input count_materialization_scale.
1202         (input_profile_summary): Read data into file specific gcov summary.
1203         (merge_profile_summaries): New function.
1204         (input_cgraph): Update call of input_profile_summary;
1205         call merge_profile_summaries.
1206         * lto-streamer-in.c (input_cfg): Add count_materialization_scale arg;
1207         rescale counts at read in.
1208         (intput_bb): Likewise.
1209         (input_function): Update call of input_bb.
1210         (lto_read_body): Update call of input_cfg.
1211         * lto-streamer.h: Inlclude gcov-io.h
1212         (lto_file_decl_data): Add gcov_ctr_summary.
1213
1214 2010-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1215
1216         * doc/tm.texi.in (Cond. Exec. Macros): Rename node from this ...
1217         (Cond Exec Macros): ... to this.
1218         * doc/tm.texi: Regenerate.
1219
1220 2010-12-03  Jason Merrill  <jason@redhat.com>
1221
1222         PR debug/46123
1223         * dwarf2out.c (gen_tagged_type_die): Don't put local types in
1224         a declaration DIE.
1225
1226 2010-12-03  Nathan Froyd  <froydnj@codesourcery.com>
1227
1228         * config/arm/arm.c (arm_legitimate_index_p): Split
1229         VALID_NEON_QREG_MODE and VALID_NEON_DREG_MODE cases.  Permit
1230         slightly larger constants in the latter case.
1231         (thumb2_legitimate_index_p): Likewise.
1232
1233 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
1234
1235         * common.opt (N, Q, Qn, Qy, Z, n, r, s, t): New options.
1236         * gcc.c (cc1_options): Add %{Qy:}.
1237
1238 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
1239
1240         * gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m.
1241         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
1242         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Likewise.
1243
1244 2010-12-03  Alexander Monakov  <amonakov@ispras.ru>
1245
1246         PR rtl-optimization/45354
1247         * sel-sched-ir.c (jump_leads_only_to_bb_p): Rename to ...
1248         (bb_has_removable_jump_to_p): This.  Update all callers. Make static.
1249         Allow BBs ending with a conditional jump.  Forbid EDGE_CROSSING jumps.
1250         * sel-sched-ir.h (jump_leads_only_to_bb_p): Delete prototype.
1251
1252 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1253
1254         * basic-block.h (struct edge_prediction): Remove forward
1255         declaration.
1256         * tree-flow.h (struct edge_prediction): Move from here...
1257         * predict.c (struct edge_prediction): ...to here.
1258         * cselib.h (struct elt_list): Move from here...
1259         * cselib.c (struct elt_list): ...to here.
1260
1261 2010-12-02  Ian Lance Taylor  <iant@google.com>
1262
1263         * gcc.c (default_compilers): Add entry for ".go".
1264         * common.opt: Add -static-libgo as a driver option.
1265         * doc/install.texi (Configuration): Mention libgo as an option for
1266         --enable-shared.  Mention go as an option for --enable-languages.
1267         * doc/invoke.texi (Overall Options): Mention .go as a file name
1268         suffix.  Mention go as a -x option.
1269         * doc/frontends.texi (G++ and GCC): Mention Go as a supported
1270         language.
1271         * doc/sourcebuild.texi (Top Level): Mention libgo.
1272         * doc/standards.texi (Standards): Add section on Go language.
1273         Move references for other languages into their own section.
1274         * doc/contrib.texi (Contributors): Mention that I contributed the
1275         Go frontend.
1276
1277 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1278
1279         * tree.h (struct call_expr_arg_iterator_d): Remove GTY tag.
1280         (const_call_expr_arg_iterator_d): Likewise.
1281         (expanded_location): Likewise.
1282         * c-tree.h (struct c_arg_tag_d): Likewise.
1283         * dwarf2out.c (struct cfa_loc): Likewise.
1284         (struct skeleton_chain_struct): Likewise.
1285         * except.c (struct ttypes_filter): Likewise.
1286         * cselib.h (struct cselib_val_struct): Likewise.
1287         (elt_loc_list): Likewise.
1288         (elt_list): Likewise.
1289         * varasm.c (struct addr_const): Likewise.
1290         * tree-flow.h (struct edge_prediction): Likewise.
1291         (struct int_tree_map): Likewise.
1292         (struct _edge_var_map): Likewise.
1293
1294 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
1295
1296         PR target/46768
1297         * config/i386/i386.c (initial_ix86_tune_features): Turn on
1298         X86_TUNE_INTER_UNIT_MOVES for Core 2 and Core i7.
1299
1300 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
1301
1302         * config.gcc: Allow corei7 for --with-arch=/--with-cpu=.
1303
1304 2010-12-02  Ian Lance Taylor  <iant@google.com>
1305
1306         * configure.ac: AC_DEFINE ENABLE_BUILD_WITH_CXX.  Check for C++
1307         header files unordered_map, tr1/unordered_map, and ext/hash_map.
1308         * configure, config.in: Rebuild.
1309
1310 2010-11-02  Eric Botcazou  <ebotcazou@adacore.com>
1311
1312         PR target/46685
1313         * config/sparc/sparc.c (can_use_mov_pic_label_ref): New predicate.
1314         (sparc_expand_move): Call it to decide whether to emit the special
1315         mov{si,di}_pic_label_ref patterns.
1316         (sparc_legitimize_pic_address): Call it to decide whether to emit
1317         the regular PIC sequence for labels.  Fix long line.
1318         (sparc_file_end): Set is_thunk for the PIC helper.
1319
1320 2010-12-02  Eric Botcazou  <ebotcazou@adacore.com>
1321
1322         * tree.c (build_range_type_1): Do not SET_TYPE_STRUCTURAL_EQUALITY
1323         for a non-shared type.
1324
1325 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
1326
1327         PR middle-end/45297
1328         * tree-scalar-evolution.c (interpret_rhs_expr): Handle ADDR_EXPR
1329         with MEM_REFs as POINTER_PLUS_EXPR.
1330
1331 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1332
1333         * config/i386/linux.h, config/m32r/linux.h, config/m68k/linux.h,
1334         config/sparc/linux.h, config/sparc/linux64.h: Remove comments
1335         mentioning /lib/elf.
1336
1337 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1338
1339         * config/bfin/bfin.h (LINK_SPEC): Remove %{b}.
1340         * config/frv/frv.h (LINK_SPEC): Remove %{b}.
1341         * config/i386/netware.h (LINK_SPEC): Remove %{b}.
1342         * config/i386/nto.h (LINK_SPEC): Remove %{b}.
1343         * config/lm32/uclinux-elf.h (LINK_SPEC): Remove %{b}.
1344         * config/sol2.h (LINK_SPEC): Remove %{b}.
1345         * config/svr4.h (LINK_SPEC): Remove %{b}.
1346
1347 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1348
1349         * config/i386/freebsd.h (LINK_SPEC): Cut long comment.
1350         * config/i386/linux.h (LINK_SPEC): Cut long comment.
1351         * config/i386/netware.h (LINK_SPEC): Remove %{V}.
1352         * config/m32r/linux.h (LINK_SPEC): Cut long comment.
1353         * config/m68k/linux.h (LINK_SPEC): Cut long comment.
1354         * config/sparc/linux.h (LINK_SPEC): Cut long comment.
1355         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
1356         * config/sparc/linux64.h (LINK_SPEC): Cut long comment.
1357         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
1358         * config/sparc/netbsd-elf.h (ASM_SPEC): Remove %{V} and
1359         %{v:%{!V:-V}}.
1360
1361 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1362
1363         * gcc.c (trad_capable_cpp, default_compilers): Don't handle
1364         -ftraditional.
1365
1366 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
1367
1368         * config/alpha/freebsd.h (LINK_SPEC): Don't handle -Wl,.
1369         * config/bfin/bfin.h (ASM_SPEC): Don't handle -Wa,.
1370         * config/frv/frv.h (ASM_SPEC): Don't handle -Wa,.
1371         * config/lm32/uclinux-elf.h (LINK_SPEC): Don't handle -Wl,.
1372         * config/microblaze/microblaze.h (LINK_SPEC): Don't handle -Wl,.
1373         * config/mn10300/linux.h (ASM_SPEC): Don't handle -Wa,.
1374         * config/pa/pa-linux.h (ASM_SPEC): Don't handle -Wa,.
1375         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Don't handle -Wa,.
1376         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Don't handle -Wa,.
1377         * config/rs6000/sysv4.h (LINK_SPEC): Don't handle -Wl,.
1378         * config/rs6000/vxworks.h (ASM_SPEC): Don't handle -Wa,.
1379         * config/sol2.h (ASM_SPEC): Don't handle -Wa,.
1380         * config/sparc/linux.h (ASM_SPEC): Don't handle -Wa,.
1381         * config/sparc/linux64.h (ASM_SPEC): Don't handle -Wa,.
1382         * config/sparc/sp-elf.h (ASM_SPEC): Don't handle -Wa,.
1383         * config/sparc/sysv4.h (ASM_SPEC): Don't handle -Wa,.
1384         * config/svr4.h (SVR4_ASM_SPEC): Don't handle -Wa,.
1385         * config/vxworks.h (VXWORKS_LINK_SPEC): Don't handle -Wl,.
1386
1387 2010-12-02  Paul Koning  <ni1d@arrl.net>
1388
1389         * config/pdp11/pdp11.c (output_jump): Map unsigned to signed
1390         opcodes if CC_NO_OVERFLOW is set.
1391         (notice_update_cc_on_set): Correct setting of CC0 as a side
1392         effect; set CC_NO_OVERFLOW for cases where C flag is not
1393         meaningful.
1394
1395 2010-12-02  Ian Lance Taylor  <iant@google.com>
1396
1397         * doc/install.texi (Configuration): Update default for
1398         --with-boot-ldflags.
1399
1400 2010-12-02  Nathan Froyd  <froydnj@codesourcery.com>
1401
1402         PR c/45062
1403         * c-decl.c (grokparms): Set arg_info->parms to NULL_TREE when
1404         !funcdef_flag.
1405
1406 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
1407
1408         PR tree-optimization/45199
1409         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): New.
1410         (stores_zero_from_loop): Call
1411         mem_write_stride_of_same_size_as_unit_type_p.
1412         * tree-data-ref.h (stride_of_unit_type_p): New.
1413         * tree-loop-distribution.c (generate_memset_zero): Simplified.
1414         Call stride_of_unit_type_p.
1415         (build_rdg_partition_for_component): Do not call
1416         rdg_flag_similar_memory_accesses when
1417         flag_tree_loop_distribute_patterns is set.
1418
1419 2010-12-02  Richard Guenther  <rguenther@suse.de>
1420
1421         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Disregard
1422         sign-changing conversions for induction detection.
1423
1424 2010-12-02  Richard Guenther  <rguenther@suse.de>
1425
1426         PR tree-optimization/46723
1427         * tree-vect-loop.c (get_initial_def_for_induction): Strip
1428         conversions from the induction evolution and apply it to
1429         the result instead.
1430         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Handle
1431         assigns for induction defs.
1432
1433 2010-12-02  Richard Guenther  <rguenther@suse.de>
1434
1435         * value-prof.c (gimple_ic): Use stmt_ends_bb_p to detect
1436         the case we need to split the edge and not the block.
1437
1438 2010-12-02  Bernd Schmidt  <bernds@codesourcery.com>
1439
1440         DFA model for Core 2 and Core i7 scheduling.
1441
1442         * config/i386/core2.md: New DFA model for Core 2 and Core i7.
1443         * config/i386/i386.c (ix86_option_override_internal): Update entries
1444         for Core 2 and Core i7.
1445         (ix86_issue_rate): Set issue rate to 3 [be realistic].
1446         * config/i386/i386.md: Include "core2.md".
1447         (define_attr cpu): Add "corei7".
1448
1449 2010-12-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
1450
1451         Define tuning for Core 2 and Core i7.
1452
1453         * config/i386/i386-c.c (ix86_target_macros_internal): Update.
1454         * config/i386/i386.c (core2_cost): Delete, use generic costs instead.
1455         (m_CORE2): Replace with m_CORE2_{32,64}.
1456         (m_CORE2I7{,_32,_64}): New macros.
1457         (m_GENERIC32, m_GENERIC64): Update.
1458         (initial_ix86_tune_features, x86_accumulate_outgoing_args,)
1459         (x86_arch_always_fancy_math_387): Set m_CORE2I7_32 iff m_GENERIC32 and
1460         set m_CORE2I7_64 iff m_GENERIC64.
1461         (processor_target_table): Use generic costs for Core 2 and Core i7.
1462         (ix86_option_override_internal): Update entries for Core 2 and Core i7.
1463         (ix86_issue_rate): Remove entry for Core 2.
1464         (ia32_multipass_dfa_lookahead, ix86_sched_init_global): Update.
1465         * config/i386/i386.h (TARGET_CORE2_32, TARGET_CORE2_64): New macros.
1466         (TARGET_CORE2): Update.
1467         (PROCESSOR_CORE2_32, PROCESSOR_CORE2_64): New constants.
1468         (PROCESSOR_CORE2): Remove.
1469
1470 2010-12-02  Richard Guenther  <rguenther@suse.de>
1471
1472         * lto-streamer.h (LTO_major_version): Bump to 2.
1473
1474 2010-12-02  Richard Guenther  <rguenther@suse.de>
1475
1476         PR lto/44871
1477         * gimple.c (canonical_type_hash_cache): New hashtable.
1478         (gimple_type_hash): Make a wrapper around ...
1479         (gimple_type_hash_1): ... this.  Take gtc_mode argument.
1480         (gimple_canonical_type_hash): Likewise.
1481         (gtc_visit): Take a gtc_mode argument.
1482         (gimple_types_compatible_p_1): Likewise. Do not compare struct
1483         tag names or field names when computing canonical types.
1484         (gimple_types_compatible_p): Adjust.
1485         (visit): Take a gtc_mode argument.
1486         (iterative_hash_gimple_type): Likewise.  Do not hash struct tag
1487         names or field names when computing hashes of canonical types.
1488         (gimple_register_canonical_type): Use gimple_canonical_type_hash
1489         for the hash.
1490         (print_gimple_types_stats): Dump stats of canonical_type_hash_cache.
1491         (free_gimple_type_tables): Free canonical_type_hash_cache.
1492
1493 2010-12-02  Richard Guenther  <rguenther@suse.de>
1494             Ira Rosen  <irar@il.ibm.com>
1495
1496         PR tree-optimization/46663
1497         * tree-vect-patterns.c (vect_recog_pow_pattern): Check that
1498         FUNCTION_DECL exists and that it's a builtin.
1499
1500 2010-12-02  Jie Zhang  <jie@codesourcery.com>
1501
1502         PR middle-end/46674
1503         * varasm.c (compute_visible_aliases): Handle user set
1504         assembler name.
1505
1506 2010-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1507
1508         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
1509         thinko regarding setting -mno-<xxx> debug switches.
1510         (rs6000_rtx_costs): Add FMA.  Delete old rtl based FMA costs.
1511
1512 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1513
1514         * intl.c: Don't include tm.h.
1515         * Makefile.in (intl.o): Don't depend on $(TM_H).
1516
1517 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1518
1519         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
1520         unused warning.
1521         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1522
1523 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1524
1525         * graphite-sese-to-poly.c (analyze_drs): Removed.
1526         (build_scop_drs): Do not call analyze_drs.
1527         (analyze_drs_in_stmts): New.
1528         (insert_stmts): New.
1529         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
1530         (insert_out_of_ssa_copy_on_edge): Same.
1531         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
1532         (rewrite_phi_out_of_ssa): Same.
1533         (rewrite_cross_bb_scalar_dependence): Same.
1534         (split_reduction_stmt): Move data references in the new basic blocks.
1535         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
1536
1537 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1538
1539         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
1540
1541 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1542
1543         PR middle-end/45297
1544         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
1545         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
1546         * graphite-poly.h (new_poly_bb): Update declaration.
1547         (gbb_from_bb): Moved here...
1548         (pbb_from_bb): New.
1549         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
1550         Removed.
1551         (graphite_stmt_p): Removed.
1552         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
1553         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
1554         new_poly_bb.
1555         (build_scop_bbs_1): Do not pass in sbitmap reductions.
1556         (build_scop_bbs): Same.
1557         (gbb_from_bb): ... from here.
1558         (add_conditions_to_constraints): Moved up.
1559         (analyze_drs): New.
1560         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
1561         not contain data references.
1562         (new_pbb_from_pbb): New.
1563         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
1564         block is split.
1565         (rewrite_close_phi_out_of_ssa): Update call to
1566         insert_out_of_ssa_copy_on_edge.
1567         (rewrite_reductions_out_of_ssa): Now static.
1568         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1569         (split_pbb): New.
1570         (split_reduction_stmt): Call split_pbb.
1571         (translate_scalar_reduction_to_array): Pass in the scop, do not
1572         pass in the sbitmap reductions.
1573         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
1574         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
1575         (rewrite_commutative_reductions_out_of_ssa): Same.
1576         (build_poly_scop): Call build_scop_bbs,
1577         rewrite_commutative_reductions_out_of_ssa,
1578         rewrite_reductions_out_of_ssa, and
1579         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
1580         before scop_to_lst.
1581         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
1582         Removed declaration.
1583         (rewrite_reductions_out_of_ssa): Same.
1584         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
1585         (build_scop_bbs): Same.
1586         * graphite.c (graphite_transform_loops): Do not initialize reductions.
1587         Do not call build_scop_bbs,
1588         rewrite_commutative_reductions_out_of_ssa,
1589         rewrite_reductions_out_of_ssa, and
1590         rewrite_cross_bb_scalar_deps_out_of_ssa.
1591         * sese.h (struct gimple_bb): Add field pbb.
1592         (GBB_PBB): New.
1593
1594 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1595
1596         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
1597         New.
1598         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
1599         handle_scalar_deps_crossing_scop_limits.
1600         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
1601         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
1602
1603 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1604
1605         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
1606         when replacing a constant in an ADDR_EXPR.
1607
1608 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
1609
1610         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
1611         for the stride.
1612         (lst_do_strip_mine): Same.
1613         (scop_do_strip_mine): Same.
1614         * graphite-poly.c (apply_poly_transforms): Update call to
1615         scop_do_strip_mine.
1616         * graphite-poly.h (scop_do_strip_mine): Update declaration.
1617
1618 2010-12-01  Jan Hubicka  <jh@suse.cz>
1619
1620         * tree.c (build_common_builtin_nodes): Do not initialize
1621         BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT.
1622         * builtins.c (expand_builtin_profile_func): Remove.
1623         (expand_builtin): Do not handle BUILT_IN_PROFILE_FUNC_ENTER and
1624         BUILT_IN_PROFILE_FUNC_EXIT.
1625         * builtins.def (profile_func_enter, profile_func_exit): Remove stubs.
1626         (__cyg_profile_func_enter, __cyg_profile_func_exit): New.
1627         * gimplify.c (gimplify_function_tree): Reorganize code calling
1628         profiling functions.
1629
1630 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1631
1632         * opts.c: Expand comment on tm.h include.
1633
1634 2010-12-01  Yao Qi  <yao@codesourcery.com>
1635
1636         * config/arm/predicates.md ("vfp_register_operand"): Return true for
1637         VFP_D0_D7_REGS classes.
1638
1639 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1640
1641         * common.opt (flag_stack_check): New Variable entry.
1642         (fcompare-debug-second): Use Var.
1643         * flags.h (flag_compare_debug, flag_stack_check): Remove.
1644         * opts.c (flag_compare_debug): Remove.
1645         (common_handle_option): Don't handle OPT_fcompare_debug_second.
1646         Set opts->x_flag_stack_check for OPT_fstack_check_.
1647         * toplev.c (flag_stack_check): Remove.
1648
1649 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
1650
1651         * common.opt (main_input_filename, main_input_basename,
1652         main_input_baselength): New Variable entries.  From toplev.c.
1653         * final.c (output_quoted_string): Move from toplev.c.
1654         * output.h (output_quoted_string): Move from toplev.h.
1655         * opts-global.c (read_cmdline_options): Use gcc_options pointer to
1656         access main_input_filename, main_input_baselength and
1657         main_input_basename.
1658         * targhooks.c: Include intl.h and opts.h.
1659         (option_affects_pch_p, default_get_pch_validity): Move from
1660         toplev.c.
1661         * targhooks.h (option_affects_pch_p, default_get_pch_validity):
1662         Move from toplev.h.
1663         * toplev.c (main_input_filename, main_input_basename,
1664         main_input_baselength): Move to common.opt.
1665         (output_quoted_string): Move to final.c.
1666         (warn_deprecated_use): Move to tree.c.
1667         (option_affects_pch_p, default_get_pch_validity,
1668         pch_option_mismatch, default_pch_valid_p): Move to targhooks.c.
1669         * toplev.h (skip_leading_substring): Move to tree-dump.c.
1670         (warn_deprecated_use): Move to tree.h.
1671         (output_quoted_string): Move to output.h.
1672         (main_input_filename, main_input_basename, main_input_baselength):
1673         Move to common.opt.
1674         (default_get_pch_validity, default_pch_valid_p): Move to
1675         targhooks.c.
1676         * tree-dump.c (skip_leading_substring): Move from toplev.h.
1677         * tree.c (warn_deprecated_use): Move from toplev.c.
1678         * tree.h (warn_deprecated_use): Move from toplev.h.
1679         * c-typeck.c, config/alpha/alpha.c, config/arc/arc.c,
1680         config/arm/arm.c, config/avr/avr.c, config/bfin/bfin.c,
1681         config/cris/cris.c, config/crx/crx.c, config/fr30/fr30.c,
1682         config/frv/frv.c, config/h8300/h8300.c, config/ia64/ia64.c,
1683         config/iq2000/iq2000.c, config/lm32/lm32.c, config/m32c/m32c.c,
1684         config/m32r/m32r.c, config/m68hc11/m68hc11.c, config/m68k/m68k.c,
1685         config/mcore/mcore.c, config/mep/mep.c,
1686         config/microblaze/microblaze.c, config/mips/mips.c,
1687         config/mmix/mmix.c, config/mn10300/mn10300.c,
1688         config/moxie/moxie.c, config/pa/pa.c, config/pdp11/pdp11.c,
1689         config/picochip/picochip.c, config/s390/s390.c,
1690         config/score/score.c, config/sh/sh.c, config/sparc/sparc.c,
1691         config/spu/spu.c, config/stormy16/stormy16.c, config/v850/v850.c,
1692         config/vax/vax.c, config/xtensa/xtensa.c, gimple-low.c,
1693         graphite-sese-to-poly.c, plugin.c, tree-cfg.c, tree-inline.c,
1694         varasm.c, xcoffout.c: Don't include toplev.h.
1695         * Makefile.in (c-typeck.o, tree-inline.o, tree-cfg.o,
1696         gimple-low.o, graphite-sese-to-poly.o, targhooks.o, plugin.o,
1697         varasm.o, xcoffout.o): Update dependencies.
1698         * config/arm/t-arm (arm.o): Update dependencies.
1699         * config/spu/t-spu-elf (spu.o): Update dependencies.
1700
1701 2010-12-01  Richard Guenther  <rguenther@suse.de>
1702
1703         PR tree-optimization/46730
1704         * value-prof.c (gimple_ic): Always generate a separate merge BB.
1705
1706 2010-11-30  Ian Lance Taylor  <iant@google.com>
1707
1708         * config/i386/linux.h (ASM_SPEC): Pass -v as -v, not -V.  Remove
1709         all of %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}.
1710         * config/i386/linux64.h (ASM_SPEC): Likewise.
1711         * config/i386/mingw-w64.h (ASM_SPEC): Likewise.
1712         * config/i386/sol2-10.h (ASM_SPEC) [USE_GAS]: Likewise.
1713         * config/i386/vxworks.h (ASM_SPEC): Likewise.
1714         * config/i386/x86-64.h (ASM_SPEC): Likewise.
1715         * config/i386/sol2.h (ASM_SPEC): Remove %{Wa,*:%*}.
1716         * config/i386/sol2-10.h (ASM_SPEC) [!USE_GAS]: Likewise.
1717
1718 2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>
1719
1720         * c-decl.c (finish_function): Call objc_finish_function in
1721         Objective-C.
1722         * c-typeck.c (convert_for_assignment): Do not call
1723         objc_type_quals_match().
1724
1725 2010-11-30  Richard Guenther  <rguenther@suse.de>
1726
1727         PR tree-optimization/46722
1728         * tree-ssa-math-opts.c (convert_mult_to_fma): Get multiplication
1729         operands as arguments.
1730         (execute_optimize_widening_mul): Also handle power of two as
1731         multiplication.
1732
1733 2010-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
1734
1735         PR middle-end/46709
1736         * cgraphunit.c (process_function_and_variable_attributes): Fix
1737         cut'n'pasteo.
1738
1739 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
1740
1741         * hwint.c:  New.  Extracted from toplev.c.
1742         * hwint.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1743         Move from toplev.h.
1744         * toplev.c (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1745         Move to hwint.c.
1746         * toplev.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
1747         Move to hwint.h.
1748         * builtins.c, combine.c, config/i386/winnt.c, double-int.c,
1749         explow.c, expmed.c, fold-const.c, ggc-page.c, ggc-zone.c, ifcvt.c,
1750         ipa-struct-reorg.c, ira-color.c, matrix-reorg.c, omp-low.c,
1751         real.c, recog.c, reload.c, rtlanal.c, simplify-rtx.c,
1752         stor-layout.c, tree-dfa.c, tree-ssa-alias.c,
1753         tree-ssa-loop-niter.c, tree-vect-data-refs.c,
1754         tree-vect-loop-manip.c, tree-vect-loop.c, tree-vect-stmts.c,
1755         tree-vrp.c: Don't include toplev.h.
1756         * genattrtab.c, genconditions.c, genemit.c, genextract.c,
1757         genoutput.c, genpeep.c, genpreds.c, genrecog.c: Don't include
1758         toplev.h in generated output.
1759         * Makefile.in (OBJS-common): Add hwint.o.
1760         Dependencies for above files changed to remove toplev.h.
1761         (hwint.o): New.
1762         (insn-attrtab.o, insn-emit.o, insn-extract.o, insn-output.o,
1763         insn-peep.o, insn-preds.o, insn-recog.o): Don't depend on
1764         toplev.h.
1765         * config/i386/t-cygming (winnt.o): Don't depend on toplev.h.
1766         * config/i386/t-interix (winnt.o): Don't depend on toplev.h.
1767
1768 2010-11-30  Richard Guenther  <rguenther@suse.de>
1769
1770         PR tree-optimization/46717
1771         * value-prof.c (gimple_ic): Preserve EH edges of the indirect
1772         call.  Manually create EH edges for the direct call and update
1773         target PHI nodes.
1774
1775 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
1776
1777         * diagnostic-core.h: Include bversion.h.
1778         * toplev.h: Don't include input.h or bversion.h.
1779         (parse_optimize_options): Don't declare here.
1780         * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c,
1781         caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c,
1782         combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c,
1783         config/host-darwin.c, config/i386/host-cygwin.c,
1784         config/i386/host-mingw32.c, config/i386/msformat-c.c,
1785         config/i386/netware.c, config/i386/nwld.c,
1786         config/i386/winnt-cxx.c, config/i386/winnt-stubs.c,
1787         config/ia64/ia64-c.c, config/m32c/m32c-pragma.c,
1788         config/mep/mep-pragma.c, config/microblaze/microblaze-c.c,
1789         config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c,
1790         config/score/score3.c, config/score/score7.c,
1791         config/sh/symbian-base.c, config/sh/symbian-c.c,
1792         config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c,
1793         config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c,
1794         cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c,
1795         fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c,
1796         graphite-blocking.c, graphite-clast-to-gimple.c,
1797         graphite-dependences.c, graphite-flattening.c,
1798         graphite-interchange.c, graphite-poly.c,
1799         graphite-scop-detection.c, graphite.c, haifa-sched.c,
1800         implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c,
1801         ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c,
1802         lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c,
1803         lto-opts.c, lto-section-in.c, lto-section-out.c,
1804         lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c,
1805         params.c, postreload-gcse.c, postreload.c, predict.c, profile.c,
1806         regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c,
1807         sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c,
1808         sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c,
1809         tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c,
1810         tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c,
1811         tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c,
1812         tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c,
1813         tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
1814         tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't
1815         include toplev.h.
1816         * Makefile.in (TOPLEV_H): Remove.  All uses changed to use
1817         toplev.h.  Dependencies for above files and c-family files changed
1818         to remove $(TOPLEV_H) or toplev.h.
1819         (C_TREE_H): Don't include $(TOPLEV_H).
1820         (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h.  Add
1821         bversion.h.
1822         * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming,
1823         config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf,
1824         config/t-darwin, config/t-sol2,
1825         config/t-vxworks, config/v850/t-v850, config/v850/t-v850e:
1826         Dependencies for above files changed to remove $(TOPLEV_H) or
1827         toplev.h.
1828
1829 2010-11-30  Richard Guenther  <rguenther@suse.de>
1830
1831         PR lto/44986
1832         * gcc.c (main): Use the first input with a compiler as infile
1833         for link spec processing.
1834
1835 2010-11-30  Richard Guenther  <rguenther@suse.de>
1836
1837         PR lto/45949
1838         * cgraphunit.c (ipa_passes): Stop after errors from
1839         small IPA passes.
1840
1841 2010-11-30  Mingjie Xing  <mingjie.xing@gmail.com>
1842
1843         * gcc-plugin.h: Include coretypes.h.
1844         * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
1845
1846 2010-11-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1847
1848         * ggc-zone.c (ggc_pch_read): Fix conditional compilation.
1849         * ggc-none.c (ggc_internal_alloc_zone_stat)
1850         (ggc_internal_cleared_alloc_zone_stat): New.
1851
1852 2010-11-29  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
1853
1854         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Check
1855         TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.
1856         (rs6000_emit_prologue): Don't set PIC register if
1857         TARGET_SINGLE_PIC_BASE.
1858         * config/rs6000/rs6000.opt (msingle-pic-base): New option.
1859         * doc/invoke.texi (msingle-pic-base): Document.
1860
1861 2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>
1862
1863         PR driver/46712
1864         * exec-tool.in (id): New.
1865         Check and export LT_RCU_$id instead of LT_RCU.
1866
1867 2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>
1868
1869         PR tree-optimization/46675
1870         * tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
1871         in offset calculation.
1872
1873 2010-11-29  Jan Hubicka  <jh@suse.cz>
1874
1875         * collect2.c (main): Do not imply verbose output with
1876         LTO and linker plugin.
1877
1878 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
1879
1880         * dwarf2out.c (print_die): Print the address of the current DIE or
1881         of any DIE referenced by the current one.
1882
1883 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
1884
1885         PR debug/46101
1886         * dwarf2out.c (lookup_type_die_strip_naming_typedef): New
1887         function.
1888         (scope_die_for, gen_type_die_for_member): Replace uses of
1889         lookup_type_die with use of lookup_type_die_strip_naming_typedef.
1890
1891 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
1892
1893         * config/darwin.c (darwin_mergeable_string_section): Remove blank line.
1894         (darwin_asm_declare_object_name): Correct spelling.
1895         (darwin_output_aligned_bss): Likewise.
1896
1897 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
1898             Mike Stump  <mrs@gcc.gnu.org>
1899
1900         PR target/26427
1901         PR target/33120
1902         PR testsuite/35710
1903         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Remove
1904         (ASM_OUTPUT_LOCAL): Likewise.
1905         * config/darwin-protos.h (darwin_asm_declare_object_name): New.
1906         (darwin_output_aligned_bss): Likewise.
1907         (darwin_asm_output_aligned_decl_local): Likewise.
1908         (darwin_asm_output_aligned_decl_common): Likewise.
1909         (darwin_use_anchors_for_symbol_p): Likewise.
1910         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Remove.
1911         (TARGET_ASM_OUTPUT_ANCHOR): Define.
1912         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
1913         (DARWIN_SECTION_ANCHORS): Set to 1.
1914         * config/darwin.c (emit_aligned_common): New var.
1915         (darwin_init_sections): Check that the Darwin private zero-size section
1916         marker is in range.
1917         (darwin_text_section): Check for zero-sized objects.
1918         (darwin_mergeable_string_section): Likewise.
1919         (darwin_mergeable_constant_section): Likewise.
1920         (machopic_select_section): Adjust to check for zero-sized objects.
1921         Assert that OBJC meta data are non-zero sized.
1922         (darwin_asm_declare_object_name): New.
1923         (darwin_asm_declare_constant_name): Adjust for zero-sized
1924         object sections.
1925         (BYTES_ZFILL): Define.
1926         (darwin_emit_weak_or_comdat): New.
1927         (darwin_emit_local_bss): New.
1928         (darwin_emit_common): New.
1929         (darwin_output_aligned_bss): New.
1930         (darwin_asm_output_aligned_decl_common): New.
1931         (darwin_asm_output_aligned_decl_local): New.
1932         (darwin_file_end): Disable subsections_via_symbols when section
1933         anchoring is active.
1934         (darwin_asm_output_anchor): Re-enable.
1935         (darwin_use_anchors_for_symbol_p): New.
1936         (darwin_override_options): Check for versions that can emit
1937         aligned common.  Update usage of flags to current.
1938         * config/darwin-sections.def: Update comments and flags for
1939         non-anchor sections.  zobj_const_section, zobj_data_section,
1940         zobj_bss_section, zobj_const_data_section: New.
1941         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Redefine.
1942         (ASM_OUTPUT_ALIGN): Make whitespace output consistent.
1943         (L2_MAX_OFILE_ALIGNMENT): Define.
1944         (ASM_OUTPUT_ALIGNED_BSS): Define.
1945         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
1946         (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
1947         (SECTION_NO_ANCHOR): Define.
1948         (TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
1949         (DARWIN_SECTION_ANCHORS): Define with a default of 0.
1950
1951 2010-11-29  Joseph Myers  <joseph@codesourcery.com>
1952
1953         * system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
1954         Include <signal.h>, <sys/mman.h>, <sys/resource.h> and <sys/times.h>.
1955         (O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
1956         Conditionally define.
1957         (GET_ENVIRONMENT): Poison.
1958         * configure.ac: Don't test for mincore.
1959         * configure: Regenerate.
1960         * config.in: Regenerate.
1961         * collect2-aix.c: Don't include <sys/mman.h>.
1962         * collect2.c: Don't include <signal.h>.
1963         (SIGCHLD): Don't define.
1964         (prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
1965         * config/alpha/alpha.c: Include "splay-tree.h" instead of
1966         <splay-tree.h>.
1967         * config/arm/arm.c (arm_target_help): Use getenv instead of
1968         GET_ENVIRONMENT.
1969         * config/avr/driver-avr.c: Don't include <stdlib.h>.
1970         * config/frv/frv.c: Don't include <ctype.h>.
1971         * config/host-darwin.c: Don't include <sys/mman.h>.
1972         * config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
1973         (MAP_FAILED): Don't define.
1974         * config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
1975         * config/host-solaris.c: Don't include <sys/mman.h>.
1976         * config/i386/cygming.h: Don't include <stdio.h>.
1977         * config/i386/driver-i386.c: Don't include <stdlib.h>.
1978         * config/i386/host-cygwin.c: Don't include <sys/mman.h>.
1979         * config/iq2000/iq2000.c: Don't include <signal.h>.
1980         * config/m32c/m32c-pragma.c: Don't include <stdio.h>.
1981         * config/m68hc11/m68hc11.c: Don't include <stdio.h>.
1982         * config/mep/mep-pragma.c: Don't include <stdio.h>.
1983         * config/microblaze/microblaze.c: Don't include <signal.h>.
1984         * config/mips/mips.c: Don't include <signal.h>.
1985         * config/rs6000/host-darwin.c: Don't include <signal.h>.
1986         * cppdefault.c (cpp_relocated): Use getenv instead of GET_ENVIRONMENT.
1987         * defaults.h (GET_ENVIRONMENT): Don't define.
1988         * et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
1989         * gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
1990         (SIGCHLD, MAP_FAILED, kill): Don't define.
1991         (process_command): Use getenv instead of GET_ENVIRONMENT.
1992         * genhooks.c: Don't include <string.h>.
1993         * ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
1994         <sys/types.h>.
1995         (MAP_FAILED): Don't define.
1996         * ggc-page.c Don't include <sys/mman.h>.
1997         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
1998         * ggc-zone.c: Don't include <sys/mman.h>.
1999         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
2000         * graph.c: Include "config.h" instead of <config.h>.
2001         * incpath.c (add_env_var_paths): Use getenv instead of GET_ENVIRONMENT.
2002         * lto-wrapper.c: Don't include <errno.h>, <signal.h> or "libiberty.h".
2003         (SIGCHLD, kill): Don't define.
2004         * mips-tfile.c: Don't include <signal.h>.
2005         * opts.c: Don't include <signal.h> or <sys/resource.h>.
2006         (print_specific_help): Use getenv instead of GET_ENVIRONMENT.
2007         * passes.c: Don't include <signal.h>, <sys/resource.h> or
2008         <sys/times.h>.
2009         * sparseset.h: Don't include <assert.h>.
2010         * timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
2011         * tlink.c: Don't include "libiberty.h".
2012         * toplev.c: Don't include <signal.h> or <sys/times.h>.
2013         * tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
2014         * tree-switch-conversion.c: Don't include <signal.h>.
2015         * vmsdbgout.c: Don't include <errno.h> or <string.h>.
2016
2017 2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>
2018
2019         * c-parser.c (c_parser_objc_try_catch_statement): Renamed to
2020         c_parser_objc_try_catch_finally_statement for consistency with the
2021         C++ parser.  Parse @catch(...) and pass NULL_TREE to
2022         objc_begin_catch_clause() in that case.  Improved error recovery.
2023         Reorganized code to be almost identical to
2024         cp_parser_objc_try_catch_finally_statement.
2025
2026 2010-11-29  Joern Rennecke  <amylaar@spamcop.net>
2027
2028         PR tree-optimization/46621
2029         * gimple.h: Don't include tm.h or hard-reg-set.h .
2030         * Makefile.in (GIMPLE_H): Remove $(TM_H).
2031
2032         PR bootstrap/44756
2033         * cppbuiltin.c: Include target.h .
2034         (define_builtin_macros_for_type_sizes):
2035         Use targetm.float_words_big_endian.
2036
2037 2010-11-27  Jan Hubicka  <jh@suse.cz>
2038
2039         * dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
2040         and output cold_text_section_label.
2041         (dwarf2out_init): Don't do that there.
2042         (dwarf2out_finish): Handle cold section end label only if cold
2043         section was used.
2044
2045 2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>
2046
2047         * tree-nested.c (remap_vla_decls): Fully expand value expressions of
2048         VLA variables.
2049
2050 2010-11-27  Richard Guenther  <rguenther@suse.de>
2051
2052         * gimple.c (gimple_assign_copy_p): Use gimple_assign_single_p.
2053         (gimple_assign_ssa_name_copy_p): Likewise.
2054         (gimple_assign_unary_nop_p): Use is_gimple_assign.
2055         (is_gimple_cast): Remove.
2056         (gimple_assign_single_p): Move ...
2057         * gimple.h (gimple_assign_single_p): ... here.
2058         (is_gimple_cast): Remove.
2059         (gimple_assign_rhs_code): Simplify.
2060         * gimple-fold.c (gimple_fold_builtin): Use CONVERT_EXPR_P
2061         instead of is_gimple_cast.
2062         * ipa-type-escape.c (look_for_casts): Likewise.
2063
2064 2010-11-26  Joseph Myers  <joseph@codesourcery.com>
2065
2066         * doc/options.texi (Enum, EnumValue): Document new record types.
2067         (Enum): Document new option flag.
2068         * opt-functions.awk
2069         * optc-gen.awk: Handle enumerated option arguments.
2070         * opth-gen.awk: Handle enumerated option arguments.
2071         * opts-common.c (enum_arg_ok_for_language, enum_arg_to_value,
2072         enum_value_to_arg): New.
2073         (decode_cmdline_option): Handle enumerated arguments.
2074         (read_cmdline_option): Handle CL_ERR_ENUM_ARG.
2075         (set_option, option_enabled, get_option_state): Handle CLVC_ENUM.
2076         * opts.c (print_filtered_help, print_specific_help): Take
2077         lang_mask arguments.
2078         (print_filtered_help): Handle printing values of enumerated
2079         options.  Print possible arguments for enumerated options.
2080         (print_specific_help): Update call to print_filtered_help.
2081         (common_handle_option): Update calls to print_specific_help.  Use
2082         value rather than arg for OPT_fdiagnostics_show_location_.  Don't
2083         handle OPT_ffp_contract_, OPT_fexcess_precision_,
2084         OPT_fvisibility_, OPT_ftls_model_, OPT_fira_algorithm_ or
2085         OPT_fira_region_ here.
2086         * opts.h (enum cl_var_type): Add CLVC_ENUM.
2087         (struct cl_option): Add var_enum.
2088         (CL_ENUM_CANONICAL, CL_ENUM_DRIVER_ONLY, struct cl_enum_arg,
2089         struct cl_enum, cl_enums, cl_enums_count): New.
2090         (CL_ERR_ENUM_ARG): Define.
2091         (CL_ERR_NEGATIVE): Update value.
2092         (enum_value_to_arg): Declare.
2093         * common.opt (flag_ira_algorithm, flag_ira_region,
2094         flag_fp_contract_mode, flag_excess_precision_cmdline,
2095         default_visibility, flag_tls_default): Remove Variable entries.
2096         (help_enum_printed): New Variable.
2097         (fdiagnostics-show-location=): Use Enum.  Add associated
2098         SourceInclude, Enum and EnumValue entries.
2099         (fexcess-precision=, ffp-contract=, fira-algorithm=, fira-region=,
2100         ftls-model=, fvisibility=): Use Enum, Var and Init.  Add
2101         associated Enum and EnumValue entries.
2102
2103 2010-11-26  Joern Rennecke  <amylaar@spamcop.net>
2104
2105         PR target/46623
2106         * config/microblaze/microblaze.c (microblaze_block_move_straight):
2107         Use XALLOCAVEC.
2108         (microblaze_option_override): Don't use C++ style comments.
2109         (save_restore_insns): Remove unused variable base_offset.
2110         (microblaze_expand_prologue): Remove unused variable insn.
2111         (microblaze_secondary_reload): Adjust type to match target.h .
2112         (microblaze_elf_in_small_data_p): Move declarations to start of block.
2113         (microblaze_expand_move): Likewise.
2114         * config/microblaze/microblaze.h (LARGE_INT):
2115         Avoid signed / unsigned comparisons.
2116         (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
2117         (ASM_FORMAT_PRIVATE_NAME): Make format specifier match printed data.
2118         (ASM_FINISH_DECLARE_OBJECT): Likewise.  Constify name.
2119
2120 2010-11-26  Michael Matz  <matz@suse.de>
2121
2122         * tree-ssa-copy.c (fini_copy_prop): Don't DCE when we have loops.
2123
2124         * passes.c (init_optimization_passes): Remove superfluous
2125         copy-prop pass.
2126
2127 2010-11-26  Richard Guenther  <rguenther@suse.de>
2128
2129         PR lto/46648
2130         * gimple.c (gtc_visit): Do not return true for members of an
2131         SCC still being processed but the current lattice value of
2132         the member.  Treat SCC members comparison state as lattice,
2133         starting at equal, eventually dropping to unequal.
2134         (gimple_types_compatible_p_1): Likewise.
2135
2136 2010-11-26  Richard Guenther  <rguenther@suse.de>
2137
2138         PR middle-end/46559
2139         * dwarf2out.c (dwarf2out_finish): Use comp_unit_die as root
2140         for location list processing.
2141
2142 2010-11-26  Richard Guenther  <rguenther@suse.de>
2143
2144         PR lto/46560
2145         * cgraph.c (cgraph_clone_edge): Clone call_stmt dependent
2146         flags manually.
2147
2148 2010-11-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2149
2150         * config/s390/s390.c (print_operand_address): Replace assert with
2151         error message.
2152         (print_operand): Replace assertions, gcc_unreachable and
2153         fatal_insn with error messages.
2154
2155 2010-11-26  Richard Guenther  <rguenther@suse.de>
2156
2157         PR tree-optimization/46665
2158         * tree-ssa-structalias.c (pt_solution_set_var): Use DECL_PT_UID.
2159
2160 2010-11-26  Ian Bolton  <ian.bolton@arm.com>
2161
2162         * config/arm/arm.c (arm_option_override): enable loop array
2163         prefetching at -O3 for suitable targets, and configure params.
2164         * config/arm/arm-protos.h (struct tune_params): Add fields for
2165         configuring loop array prefetching.
2166
2167 2010-11-26  Christian Borntraeger  <borntraeger@de.ibm.com>
2168
2169         * config/s390/2817.md (z196_crack): Add z196_g3 as possible slot.
2170
2171 2010-11-26  Richard Guenther  <rguenther@suse.de>
2172
2173         PR tree-optimization/46664
2174         * tree-affine.c (aff_combination_to_tree): Add rest last.
2175
2176 2010-11-26  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2177
2178         PR target/33637
2179         * configure.ac: Accept extra arguments for AS_FOR_TARGET,
2180         LD_FOR_TARGET, NM_FOR_TARGET, OBJDUMP_FOR_TARGET.
2181         * configure: Regenerated.
2182         * exec-tool.in: Not quoting command, may have extra arguments.
2183
2184 2010-11-26  Richard Guenther  <rguenther@suse.de>
2185
2186         PR tree-optimization/46528
2187         PR debug/46338
2188         * profile.c (branch_prob): Do not split blocks based on locations
2189         from debug statements.
2190
2191 2010-11-26  Jakub Jelinek  <jakub@redhat.com>
2192
2193         PR middle-end/46647
2194         * builtins.c (fold_builtin_memset): Check c is INTEGER_CST instead
2195         of host_integerp check.  Use TREE_INT_CST_LOW instead of tree_low_cst.
2196
2197         PR bootstrap/45700
2198         * tree.h (build1_stat_loc, build2_stat_loc, build3_stat_loc,
2199         build4_stat_loc, build5_stat_loc, build6_stat_loc): New inlines.
2200         (build1_loc, build2_loc, build3_loc, build4_loc, build5_loc,
2201         build6_loc): Define.
2202         * fold-const.c (protected_set_expr_location_unshare): New inline.
2203         (fold_convert_loc, pedantic_non_lvalue_loc): Use it.
2204         (negate_expr, associate_trees, non_lvalue_loc, omit_one_operand_loc,
2205         pedantic_omit_one_operand_loc, omit_two_operands_loc,
2206         fold_truth_not_expr, invert_truthvalue_loc, make_bit_field_ref,
2207         optimize_bit_field_compare, make_range, fold_range_test, fold_truthop,
2208         build_fold_addr_expr_with_type_loc, fold_unary_loc, fold_binary_loc,
2209         fold_indirect_ref_1, build_fold_indirect_ref_loc): Use builN_loc
2210         instead of buildN followed by SET_EXPR_LOCATION or
2211         protected_set_expr_location.
2212         (fold_build1_stat_loc, fold_build2_stat_loc, fold_build3_stat_loc):
2213         Use buildN_stat_loc instead of buildN_stat followed by
2214         SET_EXPR_LOCATION.
2215
2216 2010-11-26  Basile Starynkevitch  <basile@starynkevitch.net>
2217
2218         * Makefile.in (s-tm-texi): Remove spurous tab.
2219
2220 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
2221
2222         PR debug/46258
2223         * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on
2224         debug stmts.
2225
2226 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
2227
2228         * toplev.c (finalize): Add no_backend parameter.  Don't finish
2229         passes when preprocessing only.  Adjust...
2230         (do_compile): ... caller.
2231
2232 2010-11-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2233
2234         * config/pa/pa.md (negdf2): Condition on !flag_signed_zeros instead of
2235         flag_unsafe_math_optimizations.
2236         (negsf2): Likewise.
2237         Move fnegabs related patterns together.  Only use fmpynfadd instruction
2238         to negate a multiply if !flag_signed_zeros is true.
2239
2240 2010-11-25  Uros Bizjak  <ubizjak@gmail.com>
2241
2242         * gengtype-state.c (read_state_structures): Initialize "previous".
2243
2244 2010-11-25  Basile Starynkevitch  <basile@starynkevitch.net>
2245             Jeremie Salvucci  <jeremie.salvucci@free.fr>
2246
2247         * gengtype-state.c: Add new file.
2248
2249         * gengtype.c (type count): New variable.
2250         (new_structure, find_param_structure, create_pointer)
2251         (create_array): Use it to set state_number in types.
2252         (dump_everything): Improve comment.
2253         (main): Call read_state and write_state. Print type_count.
2254
2255         * gengtype.h (type_lineloc): New function.
2256         (read_state, write_state): New declarations.
2257
2258         * Makefile.in (GENGTYPE_FLAGS): New variable.
2259         (s-gtype): Run gengtype twice and generate gtype.state.
2260         (build/gengtype-state.o): New rule.
2261         (build/gengtype$(build_exeext)): Link gengtype-state.o.
2262         (mostlyclean): Update comment.  Remove gtype.state.
2263
2264 2010-11-25  Jakub Jelinek  <jakub@redhat.com>
2265
2266         PR middle-end/46637
2267         * combine.c (try_combine): When substing i2dest for i2src, pass
2268         1 as last argument even if
2269         i0_feeds_i1_n && i1_feeds_i2_n && i0dest_in_i0src.
2270
2271 2010-11-25  H.J. Lu  <hongjiu.lu@intel.com>
2272
2273         PR middle-end/46647
2274         * builtins.c (target_char_cast): Check INTEGER_CST instead of
2275         host_integerp.  Replace tree_low_cst with TREE_INT_CST_LOW.
2276
2277 2010-11-25  Joseph Myers  <joseph@codesourcery.com>
2278
2279         * target.def (supports_split_stack, except_unwind_info): Take
2280         gcc_options parameters.
2281         * targhooks.c (default_except_unwind_info,
2282         dwarf2_except_unwind_info, sjlj_except_unwind_info): Take
2283         gcc_options parameters.
2284         * targhooks.h (default_except_unwind_info,
2285         dwarf2_except_unwind_info, sjlj_except_unwind_info): Update
2286         prototypes.
2287         * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES,
2288         TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT):
2289         Document that hooks must not be modified.
2290         (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument.
2291         * doc/tm.texi: Regenerate.
2292         * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass
2293         &global_options to targetm.except_unwind_info.
2294         * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm,
2295         dwarf2out_begin_prologue, dwarf2out_frame_init,
2296         dwarf2out_frame_finish, dwarf2out_assembly_start): Pass
2297         &global_options to targetm.except_unwind_info.
2298         * except.c (init_eh, finish_eh_generation,
2299         gate_convert_to_eh_region_ranges,
2300         output_one_function_exception_table): Pass &global_options to
2301         targetm.except_unwind_info.
2302         * expr.c (build_personality_function): Pass &global_options to
2303         targetm.except_unwind_info.
2304         * function.c (expand_function_end): Pass &global_options to
2305         targetm.except_unwind_info.
2306         * hooks.c (hook_bool_bool_gcc_optionsp_false): New.
2307         * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare.
2308         * opts.c (finish_options): Pass opts to targetm.except_unwind_info
2309         and targetm.supports_split_stack.  Remove assertions about opts
2310         and opts_set.
2311         (common_handle_option): Remove assertions about opts, opts_set and dc.
2312         * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass
2313         &global_options to targetm.except_unwind_info.
2314         * tree.c (build_common_builtin_nodes: Pass &global_options to
2315         targetm.except_unwind_info.
2316         * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter.
2317         (arm_compute_func_type, arm_expand_prologue, thumb_pushpop,
2318         thumb1_expand_prologue, thumb1_output_function_prologue,
2319         arm_unwind_emit, arm_output_fn_unwind): Update calls to
2320         arm_except_unwind_info.
2321         * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options
2322         parameter.
2323         * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options
2324         parameter.
2325         (ia64_output_function_prologue, ia64_add_bundle_selector_before,
2326         ia64_reorg, ia64_asm_unwind_emit): Update calls to
2327         ia64_except_unwind_info.
2328         * config/pa/pa.c (pa_option_override): Pass &global_options to
2329         targetm.except_unwind_info.
2330         * config/picochip/picochip-protos.h (picochip_except_unwind_info):
2331         Remove prototype.
2332
2333 2010-11-25  Kai Tietz  <kai.tietz@onevision.com>
2334
2335         * cgraphunit.c (process_function_and_variable_attributes):
2336         Mark dllexport-ed function/variables as needed.
2337         * ipa.c (cgraph_externally_visible_p): Make dllexport-ed
2338         as externally visible.
2339
2340 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
2341
2342         PR rtl-optimization/46585
2343         * sel-sched-ir.c (return_regset_to_pool): Verify that RS is not NULL.
2344         (vinsn_init): Skip computation of dependencies for local NOPs.
2345         (vinsn_delete): Don't try to free regsets for local NOPs.
2346         (setup_nop_and_exit_insns): Change definition of nop_pattern.
2347
2348 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
2349
2350         PR rtl-optimization/46602
2351         * sel-sched-ir.c (maybe_tidy_empty_bb): Move checking ...
2352         (tidy_control_flow): Here.
2353
2354 2010-11-25  Joern Rennecke  <amylaar@spamcop.net>
2355             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2356
2357         PR bootstrap/45888
2358         * Makefile.in (s-tm-texi): Remove \r occurences from tmp-tm.texi.
2359         Fix target.def pathname in timestamp comparison.
2360
2361 2010-11-24  Richard Henderson  <rth@redhat.com>
2362
2363         * config/ia64/predicates.md (pmpyshr_operand): New.
2364         * config/ia64/ia64.c (ia64_expand_unpack): New.
2365         (ia64_expand_widen_mul_v4hi): New.
2366         (ia64_expand_widen_sum): Update for pattern renames.
2367         (ia64_expand_dot_prod_v8qi): Likewise.
2368         * config/ia64/ia64-protos.h: Update.
2369         * config/ia64/vect.md (vecwider): New mode attribute.
2370         (vec_widen_umult_lo_v8qi, vec_widen_umult_hi_v8qi): New.
2371         (vec_widen_smult_lo_v8qi, vec_widen_smult_hi_v8qi): New.
2372         (pmpyshr2, pmpyshr2_u): New.
2373         (vec_widen_smult_lo_v4hi, vec_widen_smult_hi_v4hi): New.
2374         (vec_widen_umult_lo_v4hi, vec_widen_umult_hi_v4hi): New.
2375         (mulv2si3): New.
2376         (vec_pack_ssat_v4hi): Rename from pack2_sss.
2377         (vec_pack_usat_v4hi): Rename from *pack2_uss.
2378         (vec_pack_ssat_v2si): Rename from pack4_sss.
2379         (vec_interleave_lowv8qi): Rename from unpack1_l, use the correct
2380         vec_select operation.
2381         (vec_interleave_highv8qi): Similarly.
2382         (mux1_alt): Rename from *mux1_alt.
2383         (vec_extract_evenv8qi, vec_extract_oddv8qi): New.
2384         (vec_interleave_lowv4hi): Rename from unpack2_l.
2385         (vec_interleave_highv4hi): Rename from unpack2_h.
2386         (mix2_r): Rename from *mix2_r.
2387         (mix2_l): Similarly.
2388         (vec_extract_evenodd_helper): New.
2389         (vec_extract_evenv4hi, vec_extract_oddv4hi): New.
2390         (vec_interleave_lowv2si): Rename from *unpack4_l.
2391         (vec_interleave_highv2si): Rename from *unpack4_h.
2392         (vec_extract_evenv2si, vec_extract_oddv2si): New.
2393         (vec_interleave_lowv2sf): Rename from fmix_r.
2394         (vec_interleave_highv2sf): Rename from *fmix_l.
2395         (vec_extract_evenv2sf, vec_extract_oddv2sf): New.
2396         (vec_unpacku_lo_<VECINT12>, vec_unpacku_hi_<VECINT12>): New.
2397         (vec_unpacks_lo_<VECINT12>, vec_unpacks_hi_<VECINT12>): New.
2398         (vec_pack_trunc_v4hi, vec_pack_trunc_v2si): New.
2399
2400 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
2401
2402         * targhooks.c (default_except_unwind_info): Remove
2403         MUST_USE_SJLJ_EXCEPTIONS case.
2404         * config/h8300/h8300.h (MUST_USE_SJLJ_EXCEPTIONS): Delete.
2405         * config/h8300/h8300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
2406         * doc/tm.texi.in (MUST_USE_SJLJ_EXCEPTIONS): Delete.
2407         * doc/tm.texi: Regenerate.
2408         * system.h (MUST_USE_SJLJ_EXCEPTIONS): Poison.
2409
2410 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
2411
2412         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
2413         __FLOAT_WORD_ORDER__ according to FLOAT_WORDS_BIG_ENDIAN.
2414         * config/dfp-bit.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Delete.
2415         * doc/cpp.texi (__FLOAT_WORD_ORDER__): Document.
2416         * system.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Poison.
2417
2418 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
2419
2420         PR target/46519
2421         * config/i386/i386.c (ix86_expand_call): Don't check
2422         TREE_THIS_VOLATILE.
2423
2424 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
2425
2426         PR target/46519
2427         * config/i386/i386.c (upper_128bits_state): New.
2428         (block_info_def): Remove upper_128bits_set and done.  Add state,
2429         referenced, count, processed and rescanned.
2430         (check_avx256_stores): Updated.
2431         (move_or_delete_vzeroupper_2): Updated. Handle deleted BB_END.
2432         Call note_stores only if needed.  Set referenced and count.
2433         (move_or_delete_vzeroupper_1): Updated.  Set rescan_vzeroupper_p.
2434         (rescan_move_or_delete_vzeroupper): New.
2435         (move_or_delete_vzeroupper):  Process and rescan all all basic
2436         blocks instead of predecessor blocks of all exit points.
2437         (ix86_option_override_internal): Enable vzeroupper optimization
2438         only for -fexpensive-optimizations and not optimizing for size.
2439         (use_avx256_p): Removed.
2440         (init_cumulative_args): Don't set use_avx256_p.
2441         (ix86_function_arg): Likewise.
2442         (ix86_expand_move): Likewise.
2443         (ix86_expand_vector_move_misalign): Likewise.
2444         (ix86_local_alignment): Likewise.
2445         (ix86_minimum_alignment): Likewise.
2446         (ix86_expand_epilogue): Don't check use_avx256_p when generating
2447         vzeroupper.
2448         (ix86_expand_call): Likewise.
2449
2450         * config/i386/i386.h (machine_function): Remove use_vzeroupper_p
2451         and use_avx256_p.  Add rescan_vzeroupper_p.
2452
2453 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
2454
2455         * toplev.c: Include <signal.h>.
2456
2457 2010-11-24  Richard Guenther  <rguenther@suse.de>
2458
2459         PR lto/43218
2460         * lto-symtab.c (lto_cgraph_replace_node): Mark edges with
2461         conflicting function signatures as non-inlineable.
2462
2463 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
2464
2465         PR rtl-optimization/46614
2466         * sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP_P): Define.
2467          (deps_analyze_insn): Mark JUMP_INSNs in
2468         last_pending_memory_flush that weren't added through
2469         flush_pending_lists with NON_FLUSH_JUMP_KIND.
2470         (sched_analyze_2, sched_analyze_insn): Check NON_FLUSH_JUMP_P
2471         on INSN_LIST instead of JUMP_P check on its operand.
2472         * sched-rgn.c (concat_INSN_LIST): Copy over REG_NOTE_KIND.
2473
2474 2010-11-24  Richard Guenther  <rguenther@suse.de>
2475
2476         * lto-streamer-in.c (input_gimple_stmt): Use types_compatible_p.
2477
2478 2010-11-24  Richard Guenther  <rguenther@suse.de>
2479
2480         PR lto/46606
2481         * lto-streamer-in.c (input_gimple_stmt): When we cannot find
2482         a FIELD_DECL that is type correct issue a warning and fixup
2483         with a VIEW_CONVERT_EXPR.
2484
2485 2010-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
2486
2487         * doc/invoke.texi (Options for Debugging Your Program or GCC):
2488         Explain static numbering of dump files.
2489
2490 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
2491
2492         * common.opt (user_vect_verbosity_level): New Variable entry.
2493         (ftree-vectorizer-verbose=): Mark as UInteger.
2494         * flag-types.h (enum vect_verbosity_levels): Move from enum
2495         verbosity_levels in tree-vectorizer.h.
2496         * opts.c: Don't include tree.h.
2497         (vect_set_verbosity_level): Move from tree-vectorizer.c.  Use
2498         gcc_options parameter; take integer option argument.
2499         (common_handle_option): Update call to vect_set_verbosity_level.
2500         * tree-vectorizer.c (user_vect_verbosity_level): Remove.
2501         (vect_set_verbosity_level): Move to opts.c.
2502         (vect_verbosity_level, vect_print_dump_info): Update for change of
2503         enum name.
2504         * tree-vectorizer.h (enum verbosity_levels): Move to flag-types.h.
2505         (vect_print_dump_info): Update for change of enum name.
2506         * tree.h (vect_set_verbosity_level): Remove.
2507         * Makefile.in (opts.o): Update dependencies.
2508
2509 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
2510
2511         PR middle-end/46629
2512         * cfgexpand.c (maybe_cleanup_end_of_block): Test NEXT_INSN (insn)
2513         instead of insn with any_condjump_p.
2514
2515 2010-11-24  Mingjie Xing  <mingjie.xing@gmail.com>
2516
2517         * config/mips/loongson.md: Change the description comment of the file
2518         and update the copyright years.
2519         (define_insn "<u>div<mode>3): Add loongson3a support.
2520         (define_insn "<u>mod<mode>3"): Likewise.
2521         * config/mips/mips.md: Rename mul<mode>3_mul3_ls2ef to
2522         mul<mode>3_mul3_loongson.
2523         (define_expand "mul<mode>3"): Add TARGET_LOONGSON_3A.
2524         (define_insn "mul<mode>3_mul3_loongson"): Add loongson3a support.
2525
2526 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2527
2528         * common.opt (initial_max_fld_align, flag_debug_asm,
2529         flag_dump_rtl_in_asm, flag_dump_all_passed, rtl_dump_and_exit,
2530         flag_print_asm_name, graph_dump_format, help_printed,
2531         help_columns, flag_opts_finished): New Variable entries.
2532         (fdbg-cnt-list, fdbg-cnt=, fdebug-prefix-map=, frandom-seed,
2533         frandom-seed=): Mark deferred.
2534         (fsched-verbose=): Use UInteger and Var.
2535         * flags.h (set_struct_debug_option, flag_print_asm_name,
2536         rtl_dump_and_exit, flag_debug_asm, flag_dump_rtl_in_asm,
2537         graph_dump_format): Don't declare here.
2538         * haifa-sched.c (sched_verbose_param, fix_sched_param): Remove.
2539         * opts-global.c: Include dbgcnt.h and debug.h.
2540         (decode_options): Pass location to finish_options.
2541         (handle_common_deferred_options): Check flag_dump_all_passed.
2542         Handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list, OPT_fdebug_prefix_map_,
2543         OPT_frandom_seed and OPT_frandom_seed_.  Don't assert on
2544         OPT_fstack_limit.
2545         * opts.c: Don't include toplev.h, dbgcnt.h or debug.h.
2546         (set_struct_debug_option): Add location_t parameter.  Update
2547         recursive call.  Use error_at.
2548         (default_options_optimization): Use error_at.
2549         (finish_options): Add location_t parameter.  Use
2550         opts->x_flag_opts_finished instead of first_time_p.  Use
2551         opts->x_optimize instead of optimize.  Use error_at.  Pass
2552         location to inform.
2553         (print_filtered_help): Use opts->x_help_printed to track what
2554         options have been printed.
2555         (print_specific_help): Use opts->x_help_columns to track number of
2556         columns.
2557         (common_handle_option): Pass locations and gcc_options pointers to
2558         more functions.  Use warning_at instead of fnotice and warning.
2559         Don't handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list or
2560         OPT_fdebug_prefix_map_.  Use error_at.  Set
2561         opts->x_initial_max_fld_align; don't set maximum_field_alignment.
2562         Don't handle OPT_frandom_seed or OPT_frandom_seed_.  Don't handle
2563         OPT_fsched_verbose_.
2564         (handle_param): Add location_r parameter.  Use error_at.
2565         (set_debug_level): Add location_r parameter.  Use error_at and
2566         warning_at.
2567         (setup_core_dumping): Add diagnostic_context parameter.
2568         (decode_d_option): Add gcc_options, location_t and
2569         diagnostic_context parameters and use them instead of global
2570         state.  Use warning_at.
2571         (enable_warning_as_error): Use error_at.
2572         * opts.h (finish_options): Update prototype.
2573         (set_struct_debug_option): Declare here.
2574         * rtl.h (fix_sched_param): Remove.
2575         * stor-layout.c (initial_max_fld_align): Remove.
2576         * toplev.c (rtl_dump_and_exit, flag_print_asm_name,
2577         graph_dump_format, flag_debug_asm, flag_dump_rtl_in_asm): Remove.
2578         (process_options): Set maximum_field_alignment.
2579         * tree.h (initial_max_fld_align) Don't declare here.
2580         * Makefile.in (opts.o, opts-global.o): Update dependencies.
2581
2582 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2583
2584         * flag-types.h (struct visibility_flags): Don't declare here.
2585         * flags.h (strip_off_ending, fast_math_flags_set_p,
2586         fast_math_flags_struct_set_p): Declare here.
2587         (visibility_options): Don't declare here.
2588         * opts-common.c (option_enabled, get_option_state): Move from
2589         opts.c.
2590         * opts-global.c: Include diagnostic.h instead of
2591         diagnostic-core.h.  Include tree.h, langhooks.h, lto-streamer.h
2592         and toplev.h.
2593         (const_char_p, ignored_options, in_fnames, num_in_fnames,
2594         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
2595         print_ignored_options, unknown_option_callback,
2596         post_handling_callback, lang_handle_option, add_input_filename,
2597         read_cmdline_options, initial_lang_mask, init_options_once,
2598         decode_cmdline_options_to_array_default_mask,
2599         set_default_handlers, decode_options): Move from opts.c.
2600         (print_ignored_options): Use warning_at instead of saving and
2601         restoring input_location.
2602         * opts.c: Include <signal.h> and <sys/resource.h>.  Include rtl.h
2603         instead of expr.h.  Don't include langhooks.h, except.h or
2604         lto-streamer.h.  Add more comments on includes.
2605         (strip_off_ending, setup_core_dumping, decode_d_option): Move from
2606         toplev.c.
2607         (visibility_options): Move to c-family/c-common.c.
2608         (const_char_p, ignored_options, in_fnames, num_in_fnames,
2609         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
2610         print_ignored_options, unknown_option_callback,
2611         post_handling_callback, lang_handle_option, add_input_filename,
2612         read_cmdline_options, initial_lang_mask, init_options_once,
2613         decode_cmdline_options_to_array_default_mask,
2614         set_default_handlers, decode_options): Move to opts-global.c.
2615         (target_handle_option, default_options_optimization,
2616         finish_options, common_handle_option): Remove static.
2617         (option_enabled, get_option_state): Move to opts-common.c.
2618         * opts.h (common_handle_option, target_handle_option,
2619         finish_options, default_options_optimization): Declare.
2620         * toplev.c: Don't include <signal.h> or <sys/resource.h>.
2621         (setup_core_dumping, strip_off_ending, decode_d_option): Move to
2622         opts.c.
2623         * toplev.h (strip_off_ending, decode_d_option,
2624         fast_math_flags_set_p, fast_math_flags_struct_set_p): Don't
2625         declare here.
2626         * Makefile.in (opts.o, opts-global.o): Update dependencies.
2627
2628 2010-11-23  Dave Korn  <dave.korn.cygwin@gmail.com>
2629
2630         PR driver/42690
2631         * gcc.c (LINK_COMMAND_SPEC): Remove hard-coded pass-through plugin
2632         options, replace by call of pass-through-libs spec function to process
2633         link_gcc_c_sequence spec.
2634         (lto_libgcc_spec): Delete variable.
2635         (static_specs[]): Remove related entry.
2636         (static_spec_functions[]): Add new entry for pass-through-libs.
2637         (main): Don't generate deleted lto_libgcc_spec.
2638         (pass_through_libs_spec_func): New function to implement the new
2639         pass-through-libs spec function.
2640         * doc/invoke.texi (pass-through-libs): Document new spec function.
2641
2642 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
2643
2644         * doc/options.texi (Warning, Optimization): Document.
2645
2646 2010-11-23  Jan Hubicka  <jh@suse.cz>
2647
2648         * tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.
2649         (tree_decl_with_vis): Add implicit_section_name_p.
2650         * targhooks.h (default_function_section): Declare.
2651         * target.def (function_section): New hook.
2652         * defaults.h (HOT_TEXT_SECTION_NAME,
2653         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2654         * predict.c (choose_function_section): Remove.
2655         (estimate_bb_frequencies): Do not use choose_function_section.
2656         * coretypes.h (enum node_frequency): Move here from cgraph.h
2657         * cgraph.h (enum node_frequency): Remove.
2658         * varasm.c (initialize_cold_section_name, unlikely_text_section,
2659         unlikely_text_section_p): Remove.
2660         (named_subsection_entry): New structure.
2661         (get_text_section): New function.
2662         (default_function_section): New function.
2663         (function_section_1): Break out from ...; handle profile info.
2664         (function_section): ... here.
2665         (unlikely_text_section): Remove.
2666         (unlikely_text_section_p): Use function_section_1.
2667         (assemble_start_function): Do not initialize cold section.
2668         (default_section_type_flags): Do not special case cold subsection.
2669         (switch_to_section): Likewise.
2670         * output.h (get_text_section): Define.
2671         * config/i386/winnt.c: Do not special case cold section.
2672         * config/darwin-protos.h (darwin_function_section): Declare.
2673         * config/microblaze/microblaze.h (HOT_TEXT_SECTION_NAME,
2674         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2675         * config/ia64/hpux.h (HOT_TEXT_SECTION_NAME,
2676         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2677         (TARGET_ASM_FUNCTION_SECTION): Define to ia64_hpux_function_section.
2678         * config/ia64/ia64.c (ia64_hpux_function_section): New function.
2679         * config/darwin.c (machopic_select_section): Use
2680         darwin_function_section.
2681         (darwin_function_section): New function.
2682         * config/darwin.h (HOT_TEXT_SECTION_NAME,
2683         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
2684         (TARGET_ASM_FUNCTION_SECTION): Define.
2685         * system.h (HOT_TEXT_SECTION_NAME,
2686         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Poison.
2687
2688 2010-11-23  Iain Sandoe  <iains@gcc.gnu.org>
2689
2690         * config/darwin.h (LINK_COMMAND_SPEC_A): Use %(link_gcc_c_sequence).
2691         LINK_GCC_C_SEQUENCE_SPEC: Define new macro.
2692
2693 2010-11-23  Jakub Jelinek  <jakub@redhat.com>
2694
2695         PR middle-end/46499
2696         * cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
2697         following unconditional jumps.
2698
2699 2010-11-23  Richard Guenther  <rguenther@suse.de>
2700
2701         * doc/md.texi (386 constraints): Clarify A constraint documentation.
2702
2703 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
2704             Jeremie Salvucci  <jeremie.salvucci@free.fr>
2705
2706         * gengtype.c (enum typekind, struct options)
2707         (struct nested_ptr_data, struct pair, NUM_PARAM)
2708         (enum gc_used_num, struct type, UNION_P, UNION_OR_STRUCT_P):
2709         Move to gengtype.h.
2710         (string_type, scalar_nonchar, scalar_nonchar, scalar_char):
2711         Remove static, add zero state_number.
2712         (typedefs, structures, param_structs, variables): Remove static.
2713         (create_option): Remove.
2714         (create_string_option, create_type_option, create_nested_option):
2715         New functions.
2716         (create_nested_ptr_option): Use create_nested_option.
2717         (note_variable, adjust_field_rtx_def, adjust_field_type): Call the
2718         new create*option functions.
2719         (process_gc_options): Adjust for discriminated option.
2720         (output_mangled_typename): Handle TYPE_NONE.
2721         (walk_type): Test option kinds.
2722         (write_types_process_field): Handle TYPE_NONE and TYPE_ARRAY.
2723         (write_func_for_structure, write_type, write_local, write_root)
2724         (write_roots, note_def_vec, dump_options): Adjust for
2725         discriminated option.
2726
2727         * gengtype.h (typedefs, structures, param_structs, variables
2728         enum typekind): Move from gengtype.c
2729         (enum option_kind): New discriminating enumeration.
2730         (struct options): Becomes discriminated.
2731         (struct nested_ptr_data): Nove from gengtype.c
2732         (create_string_option, create_type_option, create_nested_option)
2733         (create_nested_ptr_option): New functions
2734         (struct pair, enum_gc_used_enum, NUM_PARAM, struct type, UNION_P)
2735         (UNION_OR_STRUCT_P): Move from gengtype.c
2736
2737         * gengtype-parse.c (str_optvalue_opt, type_optvalue, option): Make
2738         discriminated options.
2739
2740 2010-11-23  Richard Guenther  <rguenther@suse.de>
2741
2742         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid doing work
2743         twice.  Avoid re-allocating the ops vector all the time.
2744
2745 2010-11-23  Richard Guenther  <rguenther@suse.de>
2746
2747         * tree-ssa-alias.c (refs_may_alias_p_1): Avoid calls to
2748         is_gimple_min_invariant, group tree code checks to allow
2749         combining them.
2750         (stmt_may_clobber_ref_p_1): Check for SSA_NAME instead
2751         of is_gimple_reg.
2752
2753 2010-11-23  Eric Botcazou  <ebotcazou@adacore.com>
2754
2755         * config.gcc (sparc*-*-*): Reorder.
2756
2757 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
2758
2759         * gengtype.c (header_dot_h_frul, source_dot_c_frul):
2760         Remove ENABLE_CHECKING around DBGPRINTF.
2761
2762 2010-11-22  Joseph Myers  <joseph@codesourcery.com>
2763
2764         * common.opt (exit_after_options, write_symbols, debug_info_level,
2765         use_gnu_debug_info_extensions): New Variable entries.
2766         (fprofile-dir=): Use Var.
2767         * flag-types.h (enum debug_info_level): Rename to enum
2768         debug_info_levels.
2769         * flags.h (write_symbols, debug_info_level,
2770         use_gnu_debug_info_extensions): Remove declarations.
2771         * opts.c (exit_after_options, write_symbols, debug_info_level): Remove.
2772         (set_struct_debug_option): Make static variables const.
2773         (use_gnu_debug_info_extensions): Remove.
2774         (set_debug_level, print_filtered_help, print_specific_help,
2775         fast_math_flags_set_p): Take gcc_options parameters and use them
2776         in place of global variables.
2777         (print_filtered_help): Make new_help non-static.
2778         (print_specific_help): Update call to print_filtered_help.
2779         (common_handle_option): Update calls to print_specific_help.  Use
2780         gcc_options structure for more settings.  Make --help table
2781         const.  Don't handle OPT_fprofile_dir_ here.  Update calls to
2782         set_debug_level.
2783         * toplev.c (profile_data_prefix): Remove.
2784         * toplev.h (profile_data_prefix, exit_after_options): Remove
2785         declarations.
2786         (fast_math_flags_set_p): Update prototype.
2787         * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
2788         Update call to fast_math_flags_set_p.
2789
2790 2010-11-22  Richard Henderson  <rth@redhat.com>
2791
2792         PR target/46434
2793         * config/crx/crx.c (crx_addr_reg): Rename from crx_addr_reg_p;
2794         return the address register extracted.
2795         (crx_decompose_address): Update the extracted address register.
2796
2797 2010-11-22  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
2798
2799         PR driver/43335
2800         * gcc.c (main): Don't crash when lto-wrapper program is not found.
2801
2802 2010-11-22  Joern Rennecke  <amylaar@spamcop.net>
2803
2804         PR target/46608
2805         * config/picochip/picochip.c (picochip_secondary_reload): Make static.
2806         * config/picochip/picochip-protos.h: Don't include "target.h" .
2807         (picochip_secondary_reload): Don't declare.
2808
2809         PR target/46613
2810         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Declare.
2811         * config/m32c/m32c.c (m32c_conditional_register_usage): No longer
2812         static.
2813
2814 2010-11-22  H.J. Lu  <hongjiu.lu@intel.com>
2815
2816         PR bootstrap/46609
2817         * gengtype.c (header_dot_h_frul): Check ENABLE_CHECKING.
2818         (source_dot_c_frul): Likewise.
2819
2820 2010-11-22  Basile Starynkevitch  <basile@starynkevitch.net>
2821
2822         * gimple-pretty-print.c (dump_bb_header): Add check for cfun.
2823
2824 2010-11-22  Paolo Bonzini  <bonzini@gnu.org>
2825
2826         PR bootstrap/44970
2827         * Makefile.in (fwprop.o) Add sparseset.h.
2828         * fwprop.c: Include sparseset.h
2829         (struct find_occurrence_data, find_occurrence_callback,
2830         find_occurrence): Remove.
2831         (active_defs, active_defs_check, register_active_defs,
2832         update_df_init, update_uses): New.
2833         (update_df): Rewrite.
2834         (try_fwprop_subst, forward_propagate_asm): Add calls to
2835         update_df_init and update_df.
2836         (fwprop_init): Allocate active_defs and active_defs_check.
2837         (fwprop_done): Free them.
2838         (fwprop, fwprop_addr): Adjust comments.
2839         * df.h (df_uses_create): Declare.
2840         * df-scan.c (df_install_ref_incremental): Break out of df_ref_create.
2841         (df_ref_create): Return result of df_ref_create_structure directly.
2842         (df_ref_create_structure): Call df_install_ref_incremental when
2843         no collection_rec is passed.
2844         (df_ref_record): Do not create multiword hard reg info when no
2845         collection_rec is passed.
2846         (df_uses_create): New.
2847
2848 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
2849
2850         PR middle-end/43057
2851         * fold-const.c (pedantic_non_lvalue_loc): Unshare x before
2852         setting location.
2853
2854 2010-11-22  Richard Guenther  <rguenther@suse.de>
2855
2856         * gimple-fold.c (maybe_fold_reference): When canonicalizing
2857         MEM_REFs, preserve volatileness.
2858         * cgraphbuild.c (mark_address): Properly check for FUNCTION_DECL
2859         addresses.
2860
2861 2010-11-22  Richard Guenther  <rguenther@suse.de>
2862
2863         * tree-ssa-ccp.c (get_base_constructor): Remove superfluous breaks.
2864
2865 2010-11-22  Alexander Monakov  <amonakov@ispras.ru>
2866
2867         PR rtl-optimization/45652
2868         * alias.c (get_reg_base_value): New.
2869         * rtl.h (get_reg_base_value): Add prototype.
2870         * sel-sched.c (init_regs_for_mode): Use it.  Don't use registers with
2871         non-null REG_BASE_VALUE for renaming.
2872
2873 2010-11-22  Jeremie Salvucci  <jeremie.salvucci@free.fr>
2874             Basile Starynkevitch  <basile@starynkevitch.net>
2875
2876         * gengtype.c: Include xregex.h and obstack.h
2877         Added comments about role of get_output_file_with_visibility and
2878         our regexpr machinery.
2879         (frul_actionrout_t, struct file_rule_st): New.
2880         (hader_dot_h_frul, source_dot_c_frul): New functions.
2881         (NULL_REGEX,  NULL_FRULACT): New.
2882         (files_rules): New.
2883         (matching_file_name_substitute): New function.
2884         (get_output_file_with_visibility): Updated comments and rewritten
2885         to use the new files_rules machinery.
2886
2887         * Makefile.in (XREGEX_H): Added variable.
2888         (build/gengtype.o): Added dependencies for xregex.h and obstack.h
2889
2890 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
2891
2892         * system.h (FUNCTION_ARG_BOUNDARY): Really poison.
2893
2894 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
2895
2896         * target.def (conditional_register_usage): Define.
2897         * reginfo.c (init_reg_sets_1): Call
2898         targetm.conditional_register_usage.
2899         * system.h (CONDITIONAL_REGISTER_USAGE): Poison.
2900         * doc/tm.texi.in (CONDITIONAL_REGISTER_USAGE): Adjust language
2901         for making it a hook.
2902         * doc/tm.texi: Regenerate.
2903         * config/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2904         * config/alpha/alpha.c (alpha_conditional_register_usage): ...here.
2905         New function.
2906         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2907         * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2908         * config/arc/arc.c (arc_conditional_register_usage): ...here.
2909         New function.
2910         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2911         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2912         * config/arm/arm.c (arm_conditional_register_usage): ...here.
2913         New function.
2914         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2915         * config/bfin/bfin.h (CONDITIONAL_REGISTER_USAGE): Delete.
2916         * config/bfin/bfin-protos.h (conditional_register_usage): Delete.
2917         * config/bfin/bfin.c (conditional_register_usage): Move code into...
2918         (bfin_conditional_register_usage): ...here.  New function.
2919         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2920         * config/cris/cris.h (CONDITIONAL_REGISTER_USAGE): Delete.
2921         * config/cris/cris-protos.h (cris_conditional_register_usage): Delete.
2922         * config/cris/cris.c (cris_conditional_register_usage): Make static.
2923         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2924         * config/fr30/fr30.h (FIXED_REGISTERS): Adjust comment.
2925         * config/frv/frv.h (CONDITIONAL_REGISTER_USAGE): Delete.
2926         * config/frv/frv-protos.h (frv_conditional_register_usage): Delete.
2927         * config/frv/frv.c (frv_conditional_register_usage): Make static.
2928         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2929         * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2930         * config/h8300/h8300.c (h8300_conditional_register_usage): ...here.
2931         New function.
2932         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2933         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Delete.
2934         * config/i386/i386-protos.h (ix86_conditional_register_usage): Delete.
2935         * config/i386/i386.c (ix86_conditional_register_usage): Make static.
2936         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2937         * config/m32c/m32c.h (CONDITIONAL_REGISTER_USAGE): Delete.
2938         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Delete.
2939         * config/m32c/m32c.c (m32c_conditional_register_usage): Make static.
2940         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2941         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2942         * config/m32r/m32r.c (m32r_conditional_register_usage): ...here.
2943         New function.
2944         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2945         * config/m68hc11/m68hc11.h (CONDITIONAL_REGISTER_USAGE): Delete.
2946         * config/m68hc11/m68hc11-protos.h (m68hc11_conditional_register_usage):
2947         Delete.
2948         * config/m68hc11/m68hc11.c (m68hc11_conditional_register_usage): Make
2949         static.
2950         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2951         * config/mep/mep.h (CONDITIONAL_REGISTER_USAGE): Delete.
2952         * config/mep/mep-protos.h (mep_conditional_register_usage): Delete.
2953         * config/mep/mep.c (mep_conditional_register_usage): Make static.
2954         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2955         * config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Delete.
2956         * config/mips/mips-protos.h (mips_conditional_register_usage): Delete.
2957         * config/mips/mips.c (mips_conditional_register_usage): Make static.
2958         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2959         * config/mmix/mmix.h (CONDITIONAL_REGISTER_USAGE): Delete.
2960         * config/mmix/mmix-protos.h (mmix_conditional_register_usage): Delete.
2961         * config/mmix/mmix.c (mmix_conditional_register_usage): Make static.
2962         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2963         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2964         * config/mn10300/mn10300.c (mn10300_conditional_register_usage):
2965         ...here.  New function.
2966         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2967         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2968         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): ...with this...
2969         * config/pa/pa.c (pa_conditional_register_usage): ...here.
2970         New function.
2971         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2972         * config/pdp11/pdp11.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2973         * config/pdp11/pdp11.c (pdp11_conditional_register_usage): ...here.
2974         New function.
2975         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2976         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Delete.
2977         * config/rs6000/rs6000-protos.h (rs6000_conditional_register_usage):
2978         Delete.
2979         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
2980         static.
2981         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2982         * config/rx/rx.h (CONDITIONAL_REGISTER_USAGE): Delete.
2983         * config/rx/rx-protos.h (rx_conditional_register_usage): Delete.
2984         * config/rx/rx.c (rx_conditional_register_usage): Make static.
2985         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2986         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Delete.
2987         * config/s390/s390-protos.h (s390_conditional_register_usage): Delete.
2988         * config/s390/s390.c (s390_conditional_register_usage): Make static.
2989         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2990         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2991         * config/score/score.c (score_conditional_register_usage): ...here.
2992         New function.
2993         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2994         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2995         * config/sh/sh.c (sh_conditional_register_usage): ...here.
2996         New function.
2997         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2998         * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2999         * config/sparc/sparc.c (sparc_conditional_register_usage): ...here.
3000         New function.
3001         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3002         * config/spu/spu.h (CONDITIONAL_REGISTER_USAGE): Delete.
3003         * config/spu/spu-protos.h (spu_conditional_register_usage): Delete.
3004         * config/spu/spu.c (spu_conditional_register_usage): Make static.
3005         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3006         * config/v850/v850.h (CONDITIONAL_REGISTER_USAGE): Move logic...
3007         * config/v850/v850.c (v850_conditional_register_usage): ...here.
3008         New function.
3009         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
3010
3011 2010-11-21  Jan Hubicka  <jh@suse.cz>
3012             Dominique d'Humieres <dominiq@lps.ens.ft>
3013
3014         PR target/46510
3015         * tree-emutls.c (get_emutls_init_templ_addr, new_emutls_decl): Do not
3016         finalize external decls.
3017
3018 2010-11-21  Joseph Myers  <joseph@codesourcery.com>
3019
3020         * system.h (strerror): Poison.
3021
3022 2010-11-21  Richard Henderson  <rth@redhat.com>
3023
3024         * config/ia64/ia64.c (ia64_expand_builtin): Use the correct mode
3025         for infq/huge_valq.
3026
3027 2010-11-21  Richard Henderson  <rth@redhat.com>
3028
3029         PR rtl-optimization/46571
3030         * gcse.c (hash_scan_set): Use next_nonnote_nondebug_insn.
3031         (compute_hash_table_work): Use NONDEBUG_INSN_P.
3032
3033 2010-11-21  Paul Koning  <ni1d@arrl.net>
3034
3035         * config/mips/pdp11.md (negsi2): Fix wrong code.
3036
3037 2010-11-21  Paul Koning  <ni1d@arrl.net>
3038
3039         * config/mips/pdp11.c (pdp11_legitimate_address_p): New function.
3040         * config/mips/pdp11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
3041
3042 2010-11-21  Eric Botcazou  <ebotcazou@adacore.com>
3043
3044         * config/mips/mips.c (machine_function): Rename load_label_length to
3045         load_label_num_insns.
3046         (mips_load_label_length): Rename to...
3047         (mips_load_label_num_insns): ...this.  Adjust to first renaming.
3048         (mips_adjust_insn_length): Adjust to second renaming.  Fix thinko.
3049
3050 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
3051
3052         PR target/46533
3053         * config/alpha/predicates.md (direct_call_operand): Return false
3054         for !TARGET_SMALL_TEXT targets.
3055
3056 2010-11-20  Joseph Myers  <joseph@codesourcery.com>
3057
3058         * doc/tm.texi.in (HANDLE_SYSV_PRAGMA,
3059         HANDLE_PRAGMA_PACK_PUSH_POP): Remove.
3060         (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Don't refer to HANDLE_SYSV_PRAGMA.
3061         * doc/tm.texi: Regenerate.
3062         * system.h (HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_SYSV_PRAGMA,
3063         HANDLE_PRAGMA_WEAK): Poison.
3064         * config/alpha/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
3065         * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3066         * config/alpha/osf5.h (HANDLE_SYSV_PRAGMA): Don't define.
3067         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Don't define.
3068         * config/arm/arm.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3069         * config/arm/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
3070         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3071         * config/darwin.h (HANDLE_SYSV_PRAGMA): Don't define.
3072         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3073         * config/elfos.h (HANDLE_SYSV_PRAGMA): Don't define.
3074         * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3075         * config/frv/frv.h (HANDLE_SYSV_PRAGMA): Don't define.
3076         * config/i386/cygming.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3077         * config/i386/djgpp.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3078         * config/i386/i386-interix.h (HANDLE_SYSV_PRAGMA): Don't define.
3079         (HANDLE_PRAGMA_WEAK): Don't undefine.
3080         * config/i386/netware.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3081         * config/i386/vxworks.h (HANDLE_SYSV_PRAGMA): Don't define.
3082         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3083         * config/ia64/ia64.h (HANDLE_SYSV_PRAGMA): Don't define.
3084         * config/interix.h (HANDLE_SYSV_PRAGMA): Don't define.
3085         (HANDLE_PRAGMA_WEAK): Don't undefine.
3086         * config/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3087         * config/m32r/linux.h (HANDLE_SYSV_PRAGMA): Don't define.
3088         (HANDLE_PRAGMA_PACK): Don't undefine.
3089         * config/m32r/m32r.h (HANDLE_SYSV_PRAGMA): Don't undefine.
3090         * config/mep/mep.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3091         * config/mips/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3092         * config/mips/sde.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3093         * config/mmix/mmix.h (HANDLE_SYSV_PRAGMA): Don't define.
3094         * config/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
3095         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3096         * config/openbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
3097         * config/pa/pa-hpux.h (HANDLE_SYSV_PRAGMA): Don't define.
3098         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3099         * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Don't define.
3100         * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3101         * config/rx/rx.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3102         * config/score/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
3103         * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3104         * config/stormy16/stormy16.h (HANDLE_SYSV_PRAGMA): Don't define.
3105         * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
3106
3107 2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>
3108
3109         PR target/31100
3110         * config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
3111         * config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
3112         * config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.
3113
3114 2010-11-20  Jan Hubicka  <jh@suse.cz>
3115
3116         * cgraph.c (ld_plugin_symbol_resolution_names): New.
3117         (dump_cgraph_node): Dump resolution.
3118         * cgraph.h (ld_plugin_symbol_resolution_names): Declare.
3119         (cgraph_comdat_can_be_unshared_p): Dclare.
3120         * lto-streamer-out.c (produce_symtab): Use
3121         cgraph_comdat_can_be_unshared_p.
3122         * ipa.c (cgraph_address_taken_from_non_vtable_p): New function.
3123         (cgraph_comdat_can_be_unshared_p): New function based on logic
3124         in cgraph_externally_visible_p.
3125         (cgraph_externally_visible_p): Use it.
3126         (varpool_externally_visible_p): Virtual tables can be unshared.
3127         * varpool.c (dump_varpool_node): Dump resolution.
3128
3129 2010-11-20  Jan Hubicka  <jh@suse.cz>
3130
3131         * stmt.c (lshift_cheap_p): Support properly optimize_insn_for_speed_p.
3132
3133 2010-11-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3134
3135         PR other/46202
3136         * Makefile.in (install_sh, INSTALL_STRIP_PROGRAM): New variables.
3137         (AR_FOR_TARGET, RANLIB_FOR_TARGET, STRIP_FOR_TARGET): Fix
3138         shell quoting.
3139         (STRIP_FOR_TARGET): Look for in-tree strip under name strip-new.
3140         (install-strip): New target.
3141         (STRIPPROG): New variable, exported if STRIP is set.
3142         * doc/install.texi (Final install): Minor markup and code style
3143         fixes.  Document install-strip target.
3144
3145 2010-11-20  Paul Koning  <ni1d@arrl.net>
3146
3147         * config/pdp11/pdp11-protos.h (pdp11_initial_elimination_offset,
3148         pdp11_regno_reg_class): New functions.
3149         * config/pdp11/pdp11.md (define_constants): Add register numbers.
3150         * config/pdp11/pdp11.c (pdp11_regno_reg_class,
3151         pdp11_sp_frame_offset, pdp11_initial_elimination_offset): New
3152         functions.
3153         * config/pdp11/pdp11.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Add
3154         frame pointer and argument pointer pseudo-registers.
3155         (ARG_POINTER_REGNUM): Define.
3156         (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add frame pointer and
3157         argument pointer.
3158         (FIRST_PARM_OFFSET): Update for argument pointer.
3159         (INITIAL_FRAME_POINTER_OFFSET): Delete.
3160         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): New macros.
3161         (REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_INDEX_P, REGISTER_NAMES): Add
3162         frame pointer and argument pointer.
3163
3164 2010-11-20  Jakub Jelinek  <jakub@redhat.com>
3165
3166         PR debug/46561
3167         * tree-parloops.c (try_create_redunction_list): Ignore debug stmts
3168         when looking for immediate uses.
3169
3170         PR tree-optimization/45830
3171         * stmt.c (expand_switch_using_bit_tests_p): New function.
3172         (expand_case): Use it.
3173         * tree.h (expand_switch_using_bit_tests_p): New prototype.
3174         * tree-switch-conversion.c (struct switch_conv_info): Add
3175         bit_test_uniq, bit_test_count and bit_test_bb fields.
3176         (check_range): Fix a comment.
3177         (check_process_case): Compute bit_test_uniq and bit_test_count.
3178         (create_temp_arrays): Use XCNEWVEC, merge 3 arrays into one
3179         allocation.
3180         (free_temp_arrays): Use XDELETEVEC, adjust for the 3 arrays merging.
3181         (constructor_contains_same_values_p): Use FOR_EACH_VEC_ELT.
3182         (array_value_type): New function.
3183         (build_one_array): Use it, if it returned different type,
3184         fold_convert all constructor fields and convert back to the
3185         wider type in the generated code.
3186         (process_switch): Initialize bit_test_uniq, bit_test_count and
3187         bit_test_bb fields.  Don't optimize if expand_switch_using_bit_tests_p
3188         returned true.
3189
3190 2010-11-19  Michael Matz  <matz@suse.de>
3191
3192         PR tree-optimization/46077
3193         * tree-chrec.c (eq_evolutions_p): Accept some expressions.
3194
3195 2010-11-19  Anatoly Sokolov  <aesok@post.ru>
3196
3197         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3198         * config/mn10300/mn10300.c (mn10300_asm_output_addr_const_extra): New
3199         function.
3200         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3201
3202 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
3203
3204         * mode-switching.c (optimize_mode_switching): Use
3205         FOR_BB_INSNS instead of open-coded loop.
3206         * cfgrtl.c (redirect_branch_edge): Ditto.
3207
3208 2010-11-19  Joern Rennecke  <amylaar@spamcop.net>
3209
3210         PR target/46436
3211         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Split shift count
3212         to accomodate 32 bit HOST_WIDE_INT.
3213         (m68hc11_emit_logical): Remove unused variable insn.
3214         (m68hc11_check_z_replacement) <CLOBBER>: Set this_insn_uses_ix and
3215         this_insn_uses_iy before use.
3216
3217         PR target/46434
3218         * config/crx/crx.c (crx_expand_epilogue): Remove unused variable.
3219
3220 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
3221
3222         PR c/46547
3223         * c-tree.h (in_late_binary_op): Move to c-family/c-common.h.
3224         * c-typeck.c (in_late_binary_op): Move to c-family/c-common.c.
3225
3226 2010-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
3227
3228         * doc/extend.texi (Function attributes): Document PowerPC target
3229         attributes that are supported.
3230         (Pragmas): Document that PowerPC now supports target pragmas.
3231
3232         * doc/options.texi (TargetVariable): Document TargetVariable,
3233         HeaderInclude, and SourceInclude.
3234
3235         * doc/invoke.texi (-mfused-madd): Document that -mfused-madd is
3236         mapped to -ffp-contract=fast, and -mno-fused-madd is mapped to
3237         -ffp-contract=off.
3238
3239         * optc-gen.awk: Add support for TargetVariable, HeaderInclude, and
3240         SourceInclude directives.  Fix a cut+paste error with target save
3241         enum variables.  Sort enums in the structures after ints and
3242         before shorts.
3243         * opth-gen.awk: Ditto.
3244
3245         * configure.ac: Add support for HeaderInclude and SourceInclude option
3246         directives to add the appropriate files to the dependency lists.
3247         * configure: Regenerate.
3248         * Makefile.in (OPTIONS_H_EXTRA): New variable for HeaderInclude.
3249         (OPTIONS_C_EXTRA): New variable for SourceInclude.
3250         (OPTIONS_H): Add $(OPTIONS_H_EXTRA).
3251         (options.o): Add $(OPTIONS_C_EXTRA) dependency.
3252         (gcc-options.o): Ditto.
3253         * opt-include.awk: New awk script to handle HeaderInclude and
3254         TargetInclude.
3255
3256         * config/rs6000/aix.opt (-mxl-compat): Mark option as Save so it
3257         gets saved in the target options.
3258         * config/rs6000/linux64.opt (-mprofile-kernel): Ditto.
3259         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
3260         (-mprototype): Ditto.
3261         (-mbit-word): ditto.
3262         (-mregnames): Ditto.
3263         (-msecure-plt): Ditto.
3264         (-mbss-plt): Ditto.
3265         * config/rs6000/rs6000.opt (-mpowerpc-gpopt): Ditto.
3266         (-mpowerpc-gfxopt): Ditto.
3267         (-mmfcrf): Ditto.
3268         (-mpopcntb): Ditto.
3269         (-mfprnd): Ditto.
3270         (-mcmpb): Ditto.
3271         (-mmmfpgpr): Ditto.
3272         (-maltivec): Ditto.
3273         (-mhard-dfp): Ditto.
3274         (-mmulhw): Ditto.
3275         (-mdlmzb): Ditto.
3276         (-mmultiple): Ditto.
3277         (-mstring): Ditto.
3278         (-mpopcntd): Ditto.
3279         (-mfriz): Ditto.
3280         (-mvsx): Ditto.
3281         (-mno-update): Ditto.
3282         (-mavoid-indexed-addresses): Ditto.
3283         (-mtls-markers): Ditto.
3284         (-msched-epilog): Ditto.
3285         (-msched-prolog): Ditto.
3286         (-maix-struct-return): Ditto.
3287         (-msvr4-struct-return): Ditto.
3288         (-mxl-compat): Ditto.
3289         (-mrecip-precision): Ditto.
3290         (-mfp-in-toc): Ditto.
3291         (-msum-in-toc): Ditto.
3292         (-mvrsave): Ditto.
3293         (-mblock-move-inline-limit=): Ditto.
3294         (-misel): Ditto.
3295         (-mpaired): Ditto.
3296         (-mlongcall): Ditto.
3297         (-mgen-cell-microcode): Ditto.
3298         (-mwarn-cell-microcode): Ditto.
3299         (-mwarn-altivec-long): Ditto.
3300         (-mprioritize-restricted-insns=): Ditto.
3301         (-msingle-float): Ditto.
3302         (-mdouble-float): Ditto.
3303         (-msimple-fpu): Ditto.
3304         (-mxilinx-fpu): Ditto.
3305         * config/rs6000/aix64.opt (-mpe): Ditto.
3306
3307         * config/rs6000/rs6000.opt (HeaderInclude): Include rs6000-opts.h.
3308         (rs6000_cpu): Move variable to be a target variable.  Rename
3309         cmodel to rs6000_current_cmodel because of macro conflict.  Merge
3310         -mdebug=<xxx> variables into a single int.
3311         (rs6000_always_hint): Ditto.
3312         (rs6000_sched_groups): Ditto.
3313         (rs6000_align_branch_targets): Ditto.
3314         (rs6000_sched_costly_dep): Ditto.
3315         (rs6000_sched_insert_nops): Ditto.
3316         (rs6000_long_double_type_size): Ditto.
3317         (rs6000_ieeequad): Ditto.
3318         (rs6000_altivec_abi): Ditto.
3319         (rs6000_spe): Ditto.
3320         (rs6000_spe_abi): Ditto.
3321         (rs6000_float_gprs): Ditto.
3322         (rs6000_darwin64_abi): Ditto.
3323         (can_override_loop_align): Ditto.
3324         (rs6000_sdata): Ditto.
3325         (rs6000_tls_size): Ditto.
3326         (rs6000_current_abi): Ditto.
3327         (rs6000_traceback): Ditto.
3328         (rs6000_alignment_flags): Ditto.
3329         (rs6000_current_cmodel): Ditto.
3330         (rs6000_recip_control): Ditto.
3331         (rs6000_cpu_index): Ditto.
3332         (rs6000_tune_index): Ditto.
3333         (rs6000_debug): Ditto.
3334         (rs6000_target_flags_explict): Ditto.
3335
3336         * config/rs6000/rs6000-protos.h (rs6000_pragma_target_parse): Add
3337         declaration.
3338
3339         * config/rs6000/linux64.h (rs6000_current_cmode): Rename from
3340         cmodel.  Change all uses.
3341
3342         * config/rs6000/rs6000.c (rs6000_always_hint): Move to
3343         rs6000.opt.  Combine -mdebug=<xxx> variables into a single int.
3344         Rename cmodel to rs6000_current_cmodel.
3345         (rs6000_sched_groups): Ditto.
3346         (rs6000_align_branch_targets): Ditto.
3347         (rs6000_sched_costly_dep): Ditto.
3348         (rs6000_sched_insert_nops): Ditto.
3349         (rs6000_long_double_type_size): Ditto.
3350         (rs6000_ieeequad): Ditto.
3351         (rs6000_altivec_abi): Ditto.
3352         (rs6000_spe): Ditto.
3353         (rs6000_spe_abi): Ditto.
3354         (rs6000_float_gprs): Ditto.
3355         (rs6000_darwin64_abi): Ditto.
3356         (can_override_loop_align): Ditto.
3357         (rs6000_sdata): Ditto.
3358         (rs6000_tls_size): Ditto.
3359         (rs6000_current_abi): Ditto.
3360         (rs6000_traceback): Ditto.
3361         (rs6000_alignment_flags): Ditto.
3362         (rs6000_current_cmodel): Ditto.
3363         (rs6000_recip_control): Ditto.
3364         (rs6000_cpu_index): Ditto.
3365         (rs6000_tune_index): Ditto.
3366         (rs6000_debug): Ditto.
3367         (rs6000_target_flags_explict): Ditto.
3368         (rs6000_sched_insert_nops_str): Make static.
3369         (rs6000_sched_costly_dep_str): Ditto.
3370         (rs6000_recip_name): Ditto.
3371         (rs6000_abi_name): Ditto.
3372         (rs6000_sdata_name): Ditto.
3373         (enum rs6000_traceback_name): Move to rs6000-opts.h.
3374         (rs6000_parse_tls_size_option): Delete.
3375         (rs6000_valid_attribute_p): New function for target attributes and
3376         pragmas.
3377         (rs6000_function_specific_save): Ditto.
3378         (rs6000_function_specific_restore): Ditto.
3379         (rs6000_function_specific_print): Ditto.
3380         (rs6000_can_inline_p): Ditto.
3381         (rs6000_set_current_function): Ditto.
3382         (rs6000_inner_target_options): Ditto.
3383         (rs6000_debug_target_options): Ditto.
3384         (rs6000_pragma_target_parse): Ditto.
3385         (TARGET_OPTION_VALID_ATTRIBUTE_P): Define target hooks for target
3386         attributes and pragmas.
3387         (TARGET_OPTION_SAVE): Ditto.
3388         (TARGET_OPTION_RESTORE): Ditto.
3389         (TARGET_OPTION_PRINT): Ditto.
3390         (TARGET_CAN_INLINE_P): Ditto.
3391         (TARGET_SET_CURRENT_FUNCTION): Ditto.
3392         (POWER_MASKS): Move to file level scope from the
3393         rs6000_option_override_internal function.
3394         (POWERPC_MASKS): Ditto.
3395         (ISA_*_MASKS): Ditto.
3396         (struct rs6000_ptt): Ditto.
3397         (processor_target_table): Ditto.
3398         (rs6000_cpu_name_lookup): Map cpu name to an index in
3399         processor_target_table.
3400         (rs6000_debug_reg_global): Print more information on processor
3401         options for -mdebug=reg.
3402         (rs6000_init_hard_regno_mode_ok): Add support for target
3403         attributes and pragmas.  Merge all -mdebug=<xxx> fields into one.
3404         Allow -mdebug=val1,val2.  Rename cmodel variable.
3405         (rs6000_option_override_internal): Ditto.
3406         (rs6000_option_override): Ditto.
3407         (rs6000_handle_option): Ditto.
3408         (rs6000_conditional_register_usage): Add debug trace message.
3409         (struct rs6000_opt_mask): New for target attribute/pragma support.
3410         (rs6000_opt_masks): Ditto.
3411         (struct rs6000_opt_var): Ditto.
3412         (rs6000_opt_vars): Ditto.
3413         (rs6000_previous_function): Ditto.
3414