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PR 42694: add checks to make sure sqrt is supported
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-12-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
2
3         PR middle-end/42694
4         * builtins.c (expand_builtin_pow_root): Don't optimize pow(x,y)
5         where y is 0.25, 1./6., or 0.75 if the target does not have a sqrt
6         instruction, but do optimize if y is 0.5 or 1./3. since that
7         changes an expensive call into a cheaper one.
8
9 2010-12-08  Richard Guenther  <rguenther@suse.de>
10
11         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use a shift
12         instead of a division to divide by BITS_PER_UNIT.
13
14 2010-12-08  Richard Guenther  <rguenther@suse.de>
15
16         * gimplify.c (gimple_tree_eq): Assert hashes are equal only
17         when checking is enabled.
18
19 2010-12-07  Andrey Belevantsev  <abel@ispras.ru>
20
21         PR target/43603
22         * haifa-sched.c (sched_create_recovery_edges): Update
23         dominator info.
24         * sel-sched-ir.c (maybe_tidy_empty_bb): Update dominator info
25         after deleting an empty block.
26         (tidy_control_flow): Also verify dominators.
27         (sel_remove_bb): Update dominator info after removing a block.
28         (sel_redirect_edge_and_branch_force): Assert that no unreachable
29         blocks will be created. Update dominator info.
30         (sel_redirect_edge_and_branch): Update dominator info when
31         basic blocks do not become unreachable.
32         (sel_remove_loop_preheader): Update dominator info. 
33
34 2010-12-07  Richard Guenther  <rguenther@suse.de>
35
36         * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
37         Reset alignment information.
38         (bump_vector_ptr): Likewise.
39
40 2010-12-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
41
42         PR middle-end/46671
43         PR target/46685
44         * config/pa/pa.c (pa_function_section): New function.
45         (TARGET_ASM_FUNCTION_SECTION): Define.
46
47 2010-12-07  Ian Lance Taylor  <iant@google.com>
48             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
49
50         PR bootstrap/46810
51         * configure.ac: Disable AC_MSG_ERROR while looking for the C++
52         preprocessor.
53         * configure: Rebuild.
54
55 2010-12-07  Paul Koning  <ni1d@arrl.net>
56
57         * config/pdp11/pdp11.c (output_addr_const_pdp11): Output negative
58         values with sign rather than as unsigned.
59
60 2010-12-07  Paul Koning  <ni1d@arrl.net>
61
62         * config/pdp11/pdp11.c (TARGET_ASM_FUNCTION_SECTION): Define.
63         (pdp11_function_section): New function.
64
65 2010-12-07  Joseph Myers  <joseph@codesourcery.com>
66
67         * config/mcore/mcore.c Don't include assert.h.
68         (layout_mcore_frame, handle_structs_in_regs): Use gcc_assert.
69         * config/spu/spu.c: Don't include assert.h.
70         (spu_sms_res_mii): Use gcc_assert.
71
72 2010-12-07  Sebastian Pop  <sebastian.pop@amd.com>
73
74         PR tree-optimization/42327
75         * tree-data-ref.c (omega_setup_subscript): Call build_int_cst
76         instead of using integer_minus_one_node.
77
78 2010-12-07  Nathan Froyd  <froydnj@codesourcery.com>
79
80         PR c++/45330
81         * params.def (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP): New parameter.
82         * doc/invoke.texi (cxx-max-namespaces-for-diagnostic-help): Document.
83
84 2010-12-07  Richard Guenther  <rguenther@suse.de>
85
86         PR tree-optimization/46832
87         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Check
88         that the call has a lhs.
89
90 2010-12-07  Yao Qi  <yao@codesourcery.com>
91
92         * Makefile.in: Add $(TARGET_H) to the regrename.o rule.
93         * regrename.c (struct du_head): Add new element length.
94         (sort_du_head, get_element, merge, merge_sort_comparison):
95         New functions of merge sort implementation to du_head list.
96         (regrename_optimize): Sort du_head linked list by length.
97         Iterate registers in a preferred-register-first order.
98         Move some code to ...
99         (check_new_reg_p): here.  New function.
100         (create_new_chain):  Initialize length.
101         (scan_rtx_reg): Increase length for non-debug insns.
102         * target.def: New hook preferred_rename_class.
103         * targhook.c (default_preferred_rename_class): New.
104         * targhook.h: Declare it.
105         * doc/tm.texi.in: New hook TARGET_PREFERRED_RENAME_CLASS.
106         * doc/tm.texi: Regenerate.
107
108 2010-12-07  Jakub Jelinek  <jakub@redhat.com>
109
110         PR debug/46799
111         * tree-parloops.c (separate_decls_in_region): Use UNKNOWN_LOCATION
112         instead of BUILTINS_LOCATION.
113         (create_loop_fn): Add LOC argument, pass it to build_decl instead of
114         BUILTINS_LOCATION.
115         (create_parallel_loop): Add LOC argument, use it for OMP clauses
116         and GIMPLE_*OMP* statements.
117         (gen_parallel_loop): Determine locus for the parallel loop, pass it
118         to create_loop_fn and create_parallel_loop.
119         * cfgexpand.c (gimple_expand_cfg): For builtin functions, call
120         set_curr_insn_source_location (UNKNOWN_LOCATION).
121
122 2010-12-07  Joern Rennecke  <amylaar@spamcop.net>
123             Richard Guenther  <rguenther@suse.de>
124
125         PR target/46737
126         * config/bfin/bfin.c (BB_AUX_INDEX): Cast to intptr_t.
127         (bfin_reorder_loops): Change type of index to intptr_t.
128
129 2010-12-07  Richard Guenther  <rguenther@suse.de>
130
131         PR tree-optimization/46726
132         * tree-inline.c (estimate_num_insns): Special case pow (x, 2.0).
133
134 2010-12-07  Richard Guenther  <rguenther@suse.de>
135
136         * tree-ssa-math-opts.c (execute_optimize_widening_mul): Unlink
137         virtual operands.
138
139 2010-12-07  Nicola Pero  <nicola.pero@meta-innovation.com>
140
141         * c-parser.c (c_parser_typeof_specifier): Removed special
142         treatment of objc_volatilized attribute for Objective-C.
143
144 2010-12-06  Vladimir Makarov  <vmakarov@redhat.com>
145
146         * ira.c (update_equiv_regs): Prohibit move insns if
147         pressure-sensitive scheduling was done.
148
149 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
150
151         * c-parser.c (c_parser_for_statement): Use c_fully_fold() instead
152         of c_process_expr_stmt() for the iterating and collection
153         expressions of an Objective-C fast enumeration loop.
154
155 2010-12-06  Jakub Jelinek  <jakub@redhat.com>
156
157         PR debug/45997
158         * dwarf2out.c (modified_type_die): If both is_const_type and
159         is_volatile_type is set, start with DW_TAG_const_type or
160         DW_TAG_volatile_type depending on where we get qualified type
161         in the recursive call.
162
163         PR target/43897
164         * config/ia64/ia64.c (rtx_needs_barrier): Handle asm CLOBBER
165         as a store into that register.
166
167         PR tree-optimization/46528
168         PR debug/46338
169         * profile.c (branch_prob): Make sure last is never set to a debug
170         stmt.
171
172         PR debug/46771
173         * reginfo.c (init_subregs_of_mode): Don't call find_subregs_of_mode
174         on DEBUG_INSNs.
175
176         PR rtl-optimization/46777
177         * cfglayout.c (duplicate_insn_chain): Avoid duplicating
178         also barrier after tablejump.
179
180 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
181             Richard Henderson  <rth@redhat.com>
182
183         PR target/46740
184         * config/vax/vax.c (vax_output_int_move): Fold #if into if.
185
186 2010-12-06  Eric Botcazou  <ebotcazou@adacore.com>
187
188         * config/sparc/sol2.h (PUSHSECTION_FORMAT): Redefine unconditionally.
189         * config/sparc/sol2-gas.h (PUSHSECTION_FORMAT): Redefine.
190
191 2010-12-06  Joern Rennecke  <amylaar@spamcop.net>
192
193         PR target/46735
194         * config/frv/predicates.md (gpr_or_int12_operand): Use IN_RANGE.
195         (gpr_fpr_or_int12_operand, gpr_or_int10_operand): Likewise.
196         (int12_operand, int_2word_operand, uint16_operand): Likewise.
197         (fpr_or_int6_operand, int6_operand, int5_operand): Likewise.
198         (uint5_operand, uint4_operand): Likewise.
199         * config/frv/frv.h (IN_RANGE_P): Delete.
200         (GPR_P, FPR_P, CC_P, ICC_P, FCC_P, CR_P, ICR_P, FCR_P): Use IN_RANGE.
201         (ACC_P, ACCG_P, SPR_P, CONST_OK_FOR_I, CONST_OK_FOR_J): Likewise.
202         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
203         (CONST_OK_FOR_P): Likewise.
204         * config/frv/frv.md (*movqicc_internal2_int): Likewise.
205         (*movqicc_internal2_float, *movhicc_internal2_int): Likewise.
206         (*movhicc_internal2_float, *movsicc_internal2_int): Likewise.
207         (*movsicc_internal2_float, casesi): Likewise.
208         * config/frv/frv.c (frv_frame_offset_rtx): Likewise.
209         (frv_asm_output_mi_thunk, frv_legitimate_address_p_1): Likewise.
210         (frv_emit_movsi, output_move_single, frv_emit_cond_move): Likewise.
211         (frv_split_cond_move, frv_rtx_costs): Likewise.
212
213         PR target/46739
214         * config/mmix/mmix.c (mmix_intval): Split shift count.
215
216 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
217
218         * config/i386/i386.c (m_COREI7): New.
219         (initial_ix86_tune_features): Turn on
220         X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL and
221         X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL for Core i7.
222
223 2010-12-06  H.J. Lu  <hongjiu.lu@intel.com>
224
225         * config.gcc: Allow corei7-avx for --with-arch/--with-cpu.
226
227         * config/i386/driver-i386.c (host_detect_local_cpu): Support
228         Sandy Bridge.
229
230         * config/i386/i386.c (override_options): Handle "corei7-avx".
231
232         * doc/invoke.texi: Document corei7-avx.
233
234 2010-12-06  Richard Guenther  <rguenther@suse.de>
235
236         PR tree-optimization/46806
237         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do not
238         coalesce different types.
239
240 2010-12-06  Richard Guenther  <rguenther@suse.de>
241
242         PR tree-optimization/46785
243         * tree-vect-loop.c (vect_is_simple_reduction_1): Also allow
244         call statements as operand definition.
245
246 2010-12-06  Mingjie Xing  <mingjie.xing@gmail.com>
247
248         * doc/tm.texi.in: Fix typo.
249         * doc/tm.texi: Regenerate.
250
251 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
252
253         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]: Fix typo in
254         last change.
255
256 2010-12-06  Nicola Pero  <nicola.pero@meta-innovation.com>
257
258         * c-family/c-common.h: Removed the declarations of all the objc_
259         callbacks, and moved them into c-objc.h.  Removed
260         objc_ivar_visibility_kind and moved it into c-objc.h.
261         * c-family/c-objc.h: New file.
262         * c-family/c-common.c: Include c-objc.h.
263         * c-family/c-format.c: Same change.
264         * c-family/stub-objc.c: Same change.
265         * c-decl.c: Include c-family/c-objc.h.
266         * c-parser.c: Same change.
267         * c-typeck.c: Same change.
268         * c-config-lang.in (gtfiles): Added c-family/c-objc.h.
269         * Makefile.in (c-decl.o): Depend on c-family/c-objc.h.
270         (c-parser.o): same change.
271         (c-typeck.o): Same change.
272         (c-family/c-format.o): Same change.
273         (c-family/stub-objc.o): Same change.
274         (c-family/c-common.o): Same change.
275         (PLUGIN_HEADERS): Added c-family/c-objc.h.
276
277 2010-12-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
278
279         * config.gcc [hppa[12]*-*-hpux10*, hppa[12]*-*-hpux11*]:  Ignore
280         --with-dwarf2 option.
281
282 2010-12-03  Jan Hubicka  <jh@suse.cz>
283
284         * lto-streamer-in.c (input_cfg): Fix pasto.
285
286 2010-12-03  Jan Hubicka  <jh@suse.cz>
287
288         * ipa.c (cgraph_externally_visible_p): Do not localize builtins
289         and functions with user asm defined names.
290         (varpool_externally_visible_p): Do not localize vars with user
291         asm defined names.
292
293 2010-12-03  Jan Hubicka  <jh@suse.cz>
294
295         * dwarf2asm.c (dw2_output_indirect_constant_1): Set DECL_ASSEMBLER_NAME
296         to prevent mangling with lto frontend.
297
298 2010-12-03  Jan Hubicka  <jh@suse.cz>
299
300         * Makefile.in (LTO_STREAMER_H): Add GCOV_IO_H.
301         * lto-cgraph.c (merge_profile_summaries): Fix thinko.
302
303 2010-12-03  Jan Hubicka  <jh@suse.cz>
304
305         PR tree-optimization/46760
306         * cgraph.c (cgraph_create_node): Initialize count_materialization_scale.
307         * cgraph.h (struct cgraph_node): Add count_materialization_scale.
308         * lto-cgraph.c (lto_output_edge): Fix assert.
309         (lto_output_node): Output count_materialization_scale.
310         (output_profile_summary): Output only runs and sum_max.
311         (input_node): Input count_materialization_scale.
312         (input_profile_summary): Read data into file specific gcov summary.
313         (merge_profile_summaries): New function.
314         (input_cgraph): Update call of input_profile_summary;
315         call merge_profile_summaries.
316         * lto-streamer-in.c (input_cfg): Add count_materialization_scale arg;
317         rescale counts at read in.
318         (intput_bb): Likewise.
319         (input_function): Update call of input_bb.
320         (lto_read_body): Update call of input_cfg.
321         * lto-streamer.h: Inlclude gcov-io.h
322         (lto_file_decl_data): Add gcov_ctr_summary.
323
324 2010-12-03  Dave Korn  <dave.korn.cygwin@gmail.com>
325
326         * doc/tm.texi.in (Cond. Exec. Macros): Rename node from this ...
327         (Cond Exec Macros): ... to this.
328         * doc/tm.texi: Regenerate.
329
330 2010-12-03  Jason Merrill  <jason@redhat.com>
331
332         PR debug/46123
333         * dwarf2out.c (gen_tagged_type_die): Don't put local types in
334         a declaration DIE.
335
336 2010-12-03  Nathan Froyd  <froydnj@codesourcery.com>
337
338         * config/arm/arm.c (arm_legitimate_index_p): Split
339         VALID_NEON_QREG_MODE and VALID_NEON_DREG_MODE cases.  Permit
340         slightly larger constants in the latter case.
341         (thumb2_legitimate_index_p): Likewise.
342
343 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
344
345         * common.opt (N, Q, Qn, Qy, Z, n, r, s, t): New options.
346         * gcc.c (cc1_options): Add %{Qy:}.
347
348 2010-12-03  Joseph Myers  <joseph@codesourcery.com>
349
350         * gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m.
351         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
352         * config/i386/djgpp.h (LINK_COMMAND_SPEC): Likewise.
353
354 2010-12-03  Alexander Monakov  <amonakov@ispras.ru>
355
356         PR rtl-optimization/45354
357         * sel-sched-ir.c (jump_leads_only_to_bb_p): Rename to ...
358         (bb_has_removable_jump_to_p): This.  Update all callers. Make static.
359         Allow BBs ending with a conditional jump.  Forbid EDGE_CROSSING jumps.
360         * sel-sched-ir.h (jump_leads_only_to_bb_p): Delete prototype.
361
362 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
363
364         * basic-block.h (struct edge_prediction): Remove forward
365         declaration.
366         * tree-flow.h (struct edge_prediction): Move from here...
367         * predict.c (struct edge_prediction): ...to here.
368         * cselib.h (struct elt_list): Move from here...
369         * cselib.c (struct elt_list): ...to here.
370
371 2010-12-02  Ian Lance Taylor  <iant@google.com>
372
373         * gcc.c (default_compilers): Add entry for ".go".
374         * common.opt: Add -static-libgo as a driver option.
375         * doc/install.texi (Configuration): Mention libgo as an option for
376         --enable-shared.  Mention go as an option for --enable-languages.
377         * doc/invoke.texi (Overall Options): Mention .go as a file name
378         suffix.  Mention go as a -x option.
379         * doc/frontends.texi (G++ and GCC): Mention Go as a supported
380         language.
381         * doc/sourcebuild.texi (Top Level): Mention libgo.
382         * doc/standards.texi (Standards): Add section on Go language.
383         Move references for other languages into their own section.
384         * doc/contrib.texi (Contributors): Mention that I contributed the
385         Go frontend.
386
387 2010-12-03  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
388
389         * tree.h (struct call_expr_arg_iterator_d): Remove GTY tag.
390         (const_call_expr_arg_iterator_d): Likewise.
391         (expanded_location): Likewise.
392         * c-tree.h (struct c_arg_tag_d): Likewise.
393         * dwarf2out.c (struct cfa_loc): Likewise.
394         (struct skeleton_chain_struct): Likewise.
395         * except.c (struct ttypes_filter): Likewise.
396         * cselib.h (struct cselib_val_struct): Likewise.
397         (elt_loc_list): Likewise.
398         (elt_list): Likewise.
399         * varasm.c (struct addr_const): Likewise.
400         * tree-flow.h (struct edge_prediction): Likewise.
401         (struct int_tree_map): Likewise.
402         (struct _edge_var_map): Likewise.
403
404 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
405
406         PR target/46768
407         * config/i386/i386.c (initial_ix86_tune_features): Turn on
408         X86_TUNE_INTER_UNIT_MOVES for Core 2 and Core i7.
409
410 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
411
412         * config.gcc: Allow corei7 for --with-arch=/--with-cpu=.
413
414 2010-12-02  Ian Lance Taylor  <iant@google.com>
415
416         * configure.ac: AC_DEFINE ENABLE_BUILD_WITH_CXX.  Check for C++
417         header files unordered_map, tr1/unordered_map, and ext/hash_map.
418         * configure, config.in: Rebuild.
419
420 2010-11-02  Eric Botcazou  <ebotcazou@adacore.com>
421
422         PR target/46685
423         * config/sparc/sparc.c (can_use_mov_pic_label_ref): New predicate.
424         (sparc_expand_move): Call it to decide whether to emit the special
425         mov{si,di}_pic_label_ref patterns.
426         (sparc_legitimize_pic_address): Call it to decide whether to emit
427         the regular PIC sequence for labels.  Fix long line.
428         (sparc_file_end): Set is_thunk for the PIC helper.
429
430 2010-12-02  Eric Botcazou  <ebotcazou@adacore.com>
431
432         * tree.c (build_range_type_1): Do not SET_TYPE_STRUCTURAL_EQUALITY
433         for a non-shared type.
434
435 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
436
437         PR middle-end/45297
438         * tree-scalar-evolution.c (interpret_rhs_expr): Handle ADDR_EXPR
439         with MEM_REFs as POINTER_PLUS_EXPR.
440
441 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
442
443         * config/i386/linux.h, config/m32r/linux.h, config/m68k/linux.h,
444         config/sparc/linux.h, config/sparc/linux64.h: Remove comments
445         mentioning /lib/elf.
446
447 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
448
449         * config/bfin/bfin.h (LINK_SPEC): Remove %{b}.
450         * config/frv/frv.h (LINK_SPEC): Remove %{b}.
451         * config/i386/netware.h (LINK_SPEC): Remove %{b}.
452         * config/i386/nto.h (LINK_SPEC): Remove %{b}.
453         * config/lm32/uclinux-elf.h (LINK_SPEC): Remove %{b}.
454         * config/sol2.h (LINK_SPEC): Remove %{b}.
455         * config/svr4.h (LINK_SPEC): Remove %{b}.
456
457 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
458
459         * config/i386/freebsd.h (LINK_SPEC): Cut long comment.
460         * config/i386/linux.h (LINK_SPEC): Cut long comment.
461         * config/i386/netware.h (LINK_SPEC): Remove %{V}.
462         * config/m32r/linux.h (LINK_SPEC): Cut long comment.
463         * config/m68k/linux.h (LINK_SPEC): Cut long comment.
464         * config/sparc/linux.h (LINK_SPEC): Cut long comment.
465         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
466         * config/sparc/linux64.h (LINK_SPEC): Cut long comment.
467         (ASM_SPEC): Remove %{V} and %{v:%{!V:-V}}.
468         * config/sparc/netbsd-elf.h (ASM_SPEC): Remove %{V} and
469         %{v:%{!V:-V}}.
470
471 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
472
473         * gcc.c (trad_capable_cpp, default_compilers): Don't handle
474         -ftraditional.
475
476 2010-12-02  Joseph Myers  <joseph@codesourcery.com>
477
478         * config/alpha/freebsd.h (LINK_SPEC): Don't handle -Wl,.
479         * config/bfin/bfin.h (ASM_SPEC): Don't handle -Wa,.
480         * config/frv/frv.h (ASM_SPEC): Don't handle -Wa,.
481         * config/lm32/uclinux-elf.h (LINK_SPEC): Don't handle -Wl,.
482         * config/microblaze/microblaze.h (LINK_SPEC): Don't handle -Wl,.
483         * config/mn10300/linux.h (ASM_SPEC): Don't handle -Wa,.
484         * config/pa/pa-linux.h (ASM_SPEC): Don't handle -Wa,.
485         * config/rs6000/freebsd.h (SVR4_ASM_SPEC): Don't handle -Wa,.
486         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Don't handle -Wa,.
487         * config/rs6000/sysv4.h (LINK_SPEC): Don't handle -Wl,.
488         * config/rs6000/vxworks.h (ASM_SPEC): Don't handle -Wa,.
489         * config/sol2.h (ASM_SPEC): Don't handle -Wa,.
490         * config/sparc/linux.h (ASM_SPEC): Don't handle -Wa,.
491         * config/sparc/linux64.h (ASM_SPEC): Don't handle -Wa,.
492         * config/sparc/sp-elf.h (ASM_SPEC): Don't handle -Wa,.
493         * config/sparc/sysv4.h (ASM_SPEC): Don't handle -Wa,.
494         * config/svr4.h (SVR4_ASM_SPEC): Don't handle -Wa,.
495         * config/vxworks.h (VXWORKS_LINK_SPEC): Don't handle -Wl,.
496
497 2010-12-02  Paul Koning  <ni1d@arrl.net>
498
499         * config/pdp11/pdp11.c (output_jump): Map unsigned to signed
500         opcodes if CC_NO_OVERFLOW is set.
501         (notice_update_cc_on_set): Correct setting of CC0 as a side
502         effect; set CC_NO_OVERFLOW for cases where C flag is not
503         meaningful.
504
505 2010-12-02  Ian Lance Taylor  <iant@google.com>
506
507         * doc/install.texi (Configuration): Update default for
508         --with-boot-ldflags.
509
510 2010-12-02  Nathan Froyd  <froydnj@codesourcery.com>
511
512         PR c/45062
513         * c-decl.c (grokparms): Set arg_info->parms to NULL_TREE when
514         !funcdef_flag.
515
516 2010-12-02  Sebastian Pop  <sebastian.pop@amd.com>
517
518         PR tree-optimization/45199
519         * tree-data-ref.c (mem_write_stride_of_same_size_as_unit_type_p): New.
520         (stores_zero_from_loop): Call
521         mem_write_stride_of_same_size_as_unit_type_p.
522         * tree-data-ref.h (stride_of_unit_type_p): New.
523         * tree-loop-distribution.c (generate_memset_zero): Simplified.
524         Call stride_of_unit_type_p.
525         (build_rdg_partition_for_component): Do not call
526         rdg_flag_similar_memory_accesses when
527         flag_tree_loop_distribute_patterns is set.
528
529 2010-12-02  Richard Guenther  <rguenther@suse.de>
530
531         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Disregard
532         sign-changing conversions for induction detection.
533
534 2010-12-02  Richard Guenther  <rguenther@suse.de>
535
536         PR tree-optimization/46723
537         * tree-vect-loop.c (get_initial_def_for_induction): Strip
538         conversions from the induction evolution and apply it to
539         the result instead.
540         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Handle
541         assigns for induction defs.
542
543 2010-12-02  Richard Guenther  <rguenther@suse.de>
544
545         * value-prof.c (gimple_ic): Use stmt_ends_bb_p to detect
546         the case we need to split the edge and not the block.
547
548 2010-12-02  Bernd Schmidt  <bernds@codesourcery.com>
549
550         DFA model for Core 2 and Core i7 scheduling.
551
552         * config/i386/core2.md: New DFA model for Core 2 and Core i7.
553         * config/i386/i386.c (ix86_option_override_internal): Update entries
554         for Core 2 and Core i7.
555         (ix86_issue_rate): Set issue rate to 3 [be realistic].
556         * config/i386/i386.md: Include "core2.md".
557         (define_attr cpu): Add "corei7".
558
559 2010-12-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
560
561         Define tuning for Core 2 and Core i7.
562
563         * config/i386/i386-c.c (ix86_target_macros_internal): Update.
564         * config/i386/i386.c (core2_cost): Delete, use generic costs instead.
565         (m_CORE2): Replace with m_CORE2_{32,64}.
566         (m_CORE2I7{,_32,_64}): New macros.
567         (m_GENERIC32, m_GENERIC64): Update.
568         (initial_ix86_tune_features, x86_accumulate_outgoing_args,)
569         (x86_arch_always_fancy_math_387): Set m_CORE2I7_32 iff m_GENERIC32 and
570         set m_CORE2I7_64 iff m_GENERIC64.
571         (processor_target_table): Use generic costs for Core 2 and Core i7.
572         (ix86_option_override_internal): Update entries for Core 2 and Core i7.
573         (ix86_issue_rate): Remove entry for Core 2.
574         (ia32_multipass_dfa_lookahead, ix86_sched_init_global): Update.
575         * config/i386/i386.h (TARGET_CORE2_32, TARGET_CORE2_64): New macros.
576         (TARGET_CORE2): Update.
577         (PROCESSOR_CORE2_32, PROCESSOR_CORE2_64): New constants.
578         (PROCESSOR_CORE2): Remove.
579
580 2010-12-02  Richard Guenther  <rguenther@suse.de>
581
582         * lto-streamer.h (LTO_major_version): Bump to 2.
583
584 2010-12-02  Richard Guenther  <rguenther@suse.de>
585
586         PR lto/44871
587         * gimple.c (canonical_type_hash_cache): New hashtable.
588         (gimple_type_hash): Make a wrapper around ...
589         (gimple_type_hash_1): ... this.  Take gtc_mode argument.
590         (gimple_canonical_type_hash): Likewise.
591         (gtc_visit): Take a gtc_mode argument.
592         (gimple_types_compatible_p_1): Likewise. Do not compare struct
593         tag names or field names when computing canonical types.
594         (gimple_types_compatible_p): Adjust.
595         (visit): Take a gtc_mode argument.
596         (iterative_hash_gimple_type): Likewise.  Do not hash struct tag
597         names or field names when computing hashes of canonical types.
598         (gimple_register_canonical_type): Use gimple_canonical_type_hash
599         for the hash.
600         (print_gimple_types_stats): Dump stats of canonical_type_hash_cache.
601         (free_gimple_type_tables): Free canonical_type_hash_cache.
602
603 2010-12-02  Richard Guenther  <rguenther@suse.de>
604             Ira Rosen  <irar@il.ibm.com>
605
606         PR tree-optimization/46663
607         * tree-vect-patterns.c (vect_recog_pow_pattern): Check that
608         FUNCTION_DECL exists and that it's a builtin.
609
610 2010-12-02  Jie Zhang  <jie@codesourcery.com>
611
612         PR middle-end/46674
613         * varasm.c (compute_visible_aliases): Handle user set
614         assembler name.
615
616 2010-12-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
617
618         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
619         thinko regarding setting -mno-<xxx> debug switches.
620         (rs6000_rtx_costs): Add FMA.  Delete old rtl based FMA costs.
621
622 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
623
624         * intl.c: Don't include tm.h.
625         * Makefile.in (intl.o): Don't depend on $(TM_H).
626
627 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
628
629         * graphite-sese-to-poly.c (analyze_drs_in_stmts): Fix set but
630         unused warning.
631         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
632
633 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
634
635         * graphite-sese-to-poly.c (analyze_drs): Removed.
636         (build_scop_drs): Do not call analyze_drs.
637         (analyze_drs_in_stmts): New.
638         (insert_stmts): New.
639         (insert_out_of_ssa_copy): Call analyze_drs_in_stmts.
640         (insert_out_of_ssa_copy_on_edge): Same.
641         (rewrite_close_phi_out_of_ssa): Call insert_stmts.
642         (rewrite_phi_out_of_ssa): Same.
643         (rewrite_cross_bb_scalar_dependence): Same.
644         (split_reduction_stmt): Move data references in the new basic blocks.
645         (translate_scalar_reduction_to_array_for_stmt): Call insert_stmts.
646
647 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
648
649         * sese.c (rename_uses): Do not handle ADDR_EXPR in LHS of assignments.
650
651 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
652
653         PR middle-end/45297
654         * graphite-poly.c (new_poly_bb): Returns a poly_bb_p.  Do not take
655         the reduction bool in parameter.  Clear PBB_IS_REDUCTION.  Set GBB_PBB.
656         * graphite-poly.h (new_poly_bb): Update declaration.
657         (gbb_from_bb): Moved here...
658         (pbb_from_bb): New.
659         * graphite-sese-to-poly.c (var_used_in_not_loop_header_phi_node):
660         Removed.
661         (graphite_stmt_p): Removed.
662         (try_generate_gimple_bb): Returns a gimple_bb_p.  Do not pass in
663         sbitmap reductions.  Always build a gimple_bb_p.  Do not call
664         new_poly_bb.
665         (build_scop_bbs_1): Do not pass in sbitmap reductions.
666         (build_scop_bbs): Same.
667         (gbb_from_bb): ... from here.
668         (add_conditions_to_constraints): Moved up.
669         (analyze_drs): New.
670         (build_scop_drs): Call analyze_drs.  Remove all the PBBs that do
671         not contain data references.
672         (new_pbb_from_pbb): New.
673         (insert_out_of_ssa_copy_on_edge): Call new_pbb_from_pbb after a
674         block is split.
675         (rewrite_close_phi_out_of_ssa): Update call to
676         insert_out_of_ssa_copy_on_edge.
677         (rewrite_reductions_out_of_ssa): Now static.
678         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
679         (split_pbb): New.
680         (split_reduction_stmt): Call split_pbb.
681         (translate_scalar_reduction_to_array): Pass in the scop, do not
682         pass in the sbitmap reductions.
683         (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
684         (rewrite_commutative_reductions_out_of_ssa_loop): Same.
685         (rewrite_commutative_reductions_out_of_ssa): Same.
686         (build_poly_scop): Call build_scop_bbs,
687         rewrite_commutative_reductions_out_of_ssa,
688         rewrite_reductions_out_of_ssa, and
689         rewrite_cross_bb_scalar_deps_out_of_ssa.  Move build_scop_drs
690         before scop_to_lst.
691         * graphite-sese-to-poly.h (rewrite_commutative_reductions_out_of_ssa):
692         Removed declaration.
693         (rewrite_reductions_out_of_ssa): Same.
694         (rewrite_cross_bb_scalar_deps_out_of_ssa): Same.
695         (build_scop_bbs): Same.
696         * graphite.c (graphite_transform_loops): Do not initialize reductions.
697         Do not call build_scop_bbs,
698         rewrite_commutative_reductions_out_of_ssa,
699         rewrite_reductions_out_of_ssa, and
700         rewrite_cross_bb_scalar_deps_out_of_ssa.
701         * sese.h (struct gimple_bb): Add field pbb.
702         (GBB_PBB): New.
703
704 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
705
706         * graphite-sese-to-poly.c (handle_scalar_deps_crossing_scop_limits):
707         New.
708         (rewrite_cross_bb_scalar_deps): Pass in the scop.  Call
709         handle_scalar_deps_crossing_scop_limits.
710         (rewrite_cross_bb_scalar_deps_out_of_ssa): Create an empty BB
711         after the scop.  Update call to rewrite_cross_bb_scalar_deps.
712
713 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
714
715         * sese.c (rename_uses): Call recompute_tree_invariant_for_addr_expr
716         when replacing a constant in an ADDR_EXPR.
717
718 2010-12-01  Sebastian Pop  <sebastian.pop@amd.com>
719
720         * graphite-blocking.c (lst_do_strip_mine_loop): Extra parameter
721         for the stride.
722         (lst_do_strip_mine): Same.
723         (scop_do_strip_mine): Same.
724         * graphite-poly.c (apply_poly_transforms): Update call to
725         scop_do_strip_mine.
726         * graphite-poly.h (scop_do_strip_mine): Update declaration.
727
728 2010-12-01  Jan Hubicka  <jh@suse.cz>
729
730         * tree.c (build_common_builtin_nodes): Do not initialize
731         BUILT_IN_PROFILE_FUNC_ENTER and BUILT_IN_PROFILE_FUNC_EXIT.
732         * builtins.c (expand_builtin_profile_func): Remove.
733         (expand_builtin): Do not handle BUILT_IN_PROFILE_FUNC_ENTER and
734         BUILT_IN_PROFILE_FUNC_EXIT.
735         * builtins.def (profile_func_enter, profile_func_exit): Remove stubs.
736         (__cyg_profile_func_enter, __cyg_profile_func_exit): New.
737         * gimplify.c (gimplify_function_tree): Reorganize code calling
738         profiling functions.
739
740 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
741
742         * opts.c: Expand comment on tm.h include.
743
744 2010-12-01  Yao Qi  <yao@codesourcery.com>
745
746         * config/arm/predicates.md ("vfp_register_operand"): Return true for
747         VFP_D0_D7_REGS classes.
748
749 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
750
751         * common.opt (flag_stack_check): New Variable entry.
752         (fcompare-debug-second): Use Var.
753         * flags.h (flag_compare_debug, flag_stack_check): Remove.
754         * opts.c (flag_compare_debug): Remove.
755         (common_handle_option): Don't handle OPT_fcompare_debug_second.
756         Set opts->x_flag_stack_check for OPT_fstack_check_.
757         * toplev.c (flag_stack_check): Remove.
758
759 2010-12-01  Joseph Myers  <joseph@codesourcery.com>
760
761         * common.opt (main_input_filename, main_input_basename,
762         main_input_baselength): New Variable entries.  From toplev.c.
763         * final.c (output_quoted_string): Move from toplev.c.
764         * output.h (output_quoted_string): Move from toplev.h.
765         * opts-global.c (read_cmdline_options): Use gcc_options pointer to
766         access main_input_filename, main_input_baselength and
767         main_input_basename.
768         * targhooks.c: Include intl.h and opts.h.
769         (option_affects_pch_p, default_get_pch_validity): Move from
770         toplev.c.
771         * targhooks.h (option_affects_pch_p, default_get_pch_validity):
772         Move from toplev.h.
773         * toplev.c (main_input_filename, main_input_basename,
774         main_input_baselength): Move to common.opt.
775         (output_quoted_string): Move to final.c.
776         (warn_deprecated_use): Move to tree.c.
777         (option_affects_pch_p, default_get_pch_validity,
778         pch_option_mismatch, default_pch_valid_p): Move to targhooks.c.
779         * toplev.h (skip_leading_substring): Move to tree-dump.c.
780         (warn_deprecated_use): Move to tree.h.
781         (output_quoted_string): Move to output.h.
782         (main_input_filename, main_input_basename, main_input_baselength):
783         Move to common.opt.
784         (default_get_pch_validity, default_pch_valid_p): Move to
785         targhooks.c.
786         * tree-dump.c (skip_leading_substring): Move from toplev.h.
787         * tree.c (warn_deprecated_use): Move from toplev.c.
788         * tree.h (warn_deprecated_use): Move from toplev.h.
789         * c-typeck.c, config/alpha/alpha.c, config/arc/arc.c,
790         config/arm/arm.c, config/avr/avr.c, config/bfin/bfin.c,
791         config/cris/cris.c, config/crx/crx.c, config/fr30/fr30.c,
792         config/frv/frv.c, config/h8300/h8300.c, config/ia64/ia64.c,
793         config/iq2000/iq2000.c, config/lm32/lm32.c, config/m32c/m32c.c,
794         config/m32r/m32r.c, config/m68hc11/m68hc11.c, config/m68k/m68k.c,
795         config/mcore/mcore.c, config/mep/mep.c,
796         config/microblaze/microblaze.c, config/mips/mips.c,
797         config/mmix/mmix.c, config/mn10300/mn10300.c,
798         config/moxie/moxie.c, config/pa/pa.c, config/pdp11/pdp11.c,
799         config/picochip/picochip.c, config/s390/s390.c,
800         config/score/score.c, config/sh/sh.c, config/sparc/sparc.c,
801         config/spu/spu.c, config/stormy16/stormy16.c, config/v850/v850.c,
802         config/vax/vax.c, config/xtensa/xtensa.c, gimple-low.c,
803         graphite-sese-to-poly.c, plugin.c, tree-cfg.c, tree-inline.c,
804         varasm.c, xcoffout.c: Don't include toplev.h.
805         * Makefile.in (c-typeck.o, tree-inline.o, tree-cfg.o,
806         gimple-low.o, graphite-sese-to-poly.o, targhooks.o, plugin.o,
807         varasm.o, xcoffout.o): Update dependencies.
808         * config/arm/t-arm (arm.o): Update dependencies.
809         * config/spu/t-spu-elf (spu.o): Update dependencies.
810
811 2010-12-01  Richard Guenther  <rguenther@suse.de>
812
813         PR tree-optimization/46730
814         * value-prof.c (gimple_ic): Always generate a separate merge BB.
815
816 2010-11-30  Ian Lance Taylor  <iant@google.com>
817
818         * config/i386/linux.h (ASM_SPEC): Pass -v as -v, not -V.  Remove
819         all of %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}.
820         * config/i386/linux64.h (ASM_SPEC): Likewise.
821         * config/i386/mingw-w64.h (ASM_SPEC): Likewise.
822         * config/i386/sol2-10.h (ASM_SPEC) [USE_GAS]: Likewise.
823         * config/i386/vxworks.h (ASM_SPEC): Likewise.
824         * config/i386/x86-64.h (ASM_SPEC): Likewise.
825         * config/i386/sol2.h (ASM_SPEC): Remove %{Wa,*:%*}.
826         * config/i386/sol2-10.h (ASM_SPEC) [!USE_GAS]: Likewise.
827
828 2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>
829
830         * c-decl.c (finish_function): Call objc_finish_function in
831         Objective-C.
832         * c-typeck.c (convert_for_assignment): Do not call
833         objc_type_quals_match().
834
835 2010-11-30  Richard Guenther  <rguenther@suse.de>
836
837         PR tree-optimization/46722
838         * tree-ssa-math-opts.c (convert_mult_to_fma): Get multiplication
839         operands as arguments.
840         (execute_optimize_widening_mul): Also handle power of two as
841         multiplication.
842
843 2010-11-30  Dave Korn  <dave.korn.cygwin@gmail.com>
844
845         PR middle-end/46709
846         * cgraphunit.c (process_function_and_variable_attributes): Fix
847         cut'n'pasteo.
848
849 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
850
851         * hwint.c:  New.  Extracted from toplev.c.
852         * hwint.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
853         Move from toplev.h.
854         * toplev.c (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
855         Move to hwint.c.
856         * toplev.h (clz_hwi, ctz_hwi, ffs_hwi, exact_log2, floor_log2):
857         Move to hwint.h.
858         * builtins.c, combine.c, config/i386/winnt.c, double-int.c,
859         explow.c, expmed.c, fold-const.c, ggc-page.c, ggc-zone.c, ifcvt.c,
860         ipa-struct-reorg.c, ira-color.c, matrix-reorg.c, omp-low.c,
861         real.c, recog.c, reload.c, rtlanal.c, simplify-rtx.c,
862         stor-layout.c, tree-dfa.c, tree-ssa-alias.c,
863         tree-ssa-loop-niter.c, tree-vect-data-refs.c,
864         tree-vect-loop-manip.c, tree-vect-loop.c, tree-vect-stmts.c,
865         tree-vrp.c: Don't include toplev.h.
866         * genattrtab.c, genconditions.c, genemit.c, genextract.c,
867         genoutput.c, genpeep.c, genpreds.c, genrecog.c: Don't include
868         toplev.h in generated output.
869         * Makefile.in (OBJS-common): Add hwint.o.
870         Dependencies for above files changed to remove toplev.h.
871         (hwint.o): New.
872         (insn-attrtab.o, insn-emit.o, insn-extract.o, insn-output.o,
873         insn-peep.o, insn-preds.o, insn-recog.o): Don't depend on
874         toplev.h.
875         * config/i386/t-cygming (winnt.o): Don't depend on toplev.h.
876         * config/i386/t-interix (winnt.o): Don't depend on toplev.h.
877
878 2010-11-30  Richard Guenther  <rguenther@suse.de>
879
880         PR tree-optimization/46717
881         * value-prof.c (gimple_ic): Preserve EH edges of the indirect
882         call.  Manually create EH edges for the direct call and update
883         target PHI nodes.
884
885 2010-11-30  Joseph Myers  <joseph@codesourcery.com>
886
887         * diagnostic-core.h: Include bversion.h.
888         * toplev.h: Don't include input.h or bversion.h.
889         (parse_optimize_options): Don't declare here.
890         * alias.c, auto-inc-dec.c, c-aux-info.c, c-convert.c, c-parser.c,
891         caller-save.c, cfg.c, cfganal.c, cfgbuild.c, cfgcleanup.c,
892         combine-stack-adj.c, config/arm/pe.c, config/darwin-c.c,
893         config/host-darwin.c, config/i386/host-cygwin.c,
894         config/i386/host-mingw32.c, config/i386/msformat-c.c,
895         config/i386/netware.c, config/i386/nwld.c,
896         config/i386/winnt-cxx.c, config/i386/winnt-stubs.c,
897         config/ia64/ia64-c.c, config/m32c/m32c-pragma.c,
898         config/mep/mep-pragma.c, config/microblaze/microblaze-c.c,
899         config/rs6000/host-darwin.c, config/rs6000/rs6000-c.c,
900         config/score/score3.c, config/score/score7.c,
901         config/sh/symbian-base.c, config/sh/symbian-c.c,
902         config/sh/symbian-cxx.c, config/sol2-c.c, config/sol2.c,
903         config/v850/v850-c.c, config/vxworks.c, convert.c, cppbuiltin.c,
904         cselib.c, dbgcnt.c, ddg.c, dfp.c, dominance.c, emit-rtl.c,
905         fixed-value.c, fwprop.c, ggc-common.c, gimple.c, gimplify.c,
906         graphite-blocking.c, graphite-clast-to-gimple.c,
907         graphite-dependences.c, graphite-flattening.c,
908         graphite-interchange.c, graphite-poly.c,
909         graphite-scop-detection.c, graphite.c, haifa-sched.c,
910         implicit-zee.c, integrate.c, ipa-pure-const.c, ipa-reference.c,
911         ira-build.c, ira-conflicts.c, ira-costs.c, ira-lives.c, jump.c,
912         lists.c, loop-doloop.c, loop-iv.c, lto-cgraph.c, lto-compress.c,
913         lto-opts.c, lto-section-in.c, lto-section-out.c,
914         lto-streamer-out.c, lto-symtab.c, modulo-sched.c, optabs.c,
915         params.c, postreload-gcse.c, postreload.c, predict.c, profile.c,
916         regcprop.c, reginfo.c, regmove.c, reorg.c, resource.c,
917         sched-deps.c, sched-ebb.c, sched-rgn.c, sdbout.c,
918         sel-sched-dump.c, sel-sched-ir.c, sese.c, stmt.c, targhooks.c,
919         tree-cfgcleanup.c, tree-mudflap.c, tree-nomudflap.c,
920         tree-object-size.c, tree-outof-ssa.c, tree-phinodes.c,
921         tree-profile.c, tree-sra.c, tree-ssa-ccp.c, tree-ssa-coalesce.c,
922         tree-ssa-live.c, tree-ssa-loop-prefetch.c, tree-ssa-loop.c,
923         tree-ssa-operands.c, tree-ssa-structalias.c, tree-ssa-uninit.c,
924         tree-vect-patterns.c, value-prof.c, var-tracking.c, web.c: Don't
925         include toplev.h.
926         * Makefile.in (TOPLEV_H): Remove.  All uses changed to use
927         toplev.h.  Dependencies for above files and c-family files changed
928         to remove $(TOPLEV_H) or toplev.h.
929         (C_TREE_H): Don't include $(TOPLEV_H).
930         (DIAGNOSTIC_CORE_H): Use $(INPUT_H) instead of input.h.  Add
931         bversion.h.
932         * config/arm/t-pe, config/arm/t-wince-pe, config/i386/t-cygming,
933         config/ia64/t-ia64, config/mep/t-mep, config/score/t-score-elf,
934         config/t-darwin, config/t-sol2,
935         config/t-vxworks, config/v850/t-v850, config/v850/t-v850e:
936         Dependencies for above files changed to remove $(TOPLEV_H) or
937         toplev.h.
938
939 2010-11-30  Richard Guenther  <rguenther@suse.de>
940
941         PR lto/44986
942         * gcc.c (main): Use the first input with a compiler as infile
943         for link spec processing.
944
945 2010-11-30  Richard Guenther  <rguenther@suse.de>
946
947         PR lto/45949
948         * cgraphunit.c (ipa_passes): Stop after errors from
949         small IPA passes.
950
951 2010-11-30  Mingjie Xing  <mingjie.xing@gmail.com>
952
953         * gcc-plugin.h: Include coretypes.h.
954         * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
955
956 2010-11-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
957
958         * ggc-zone.c (ggc_pch_read): Fix conditional compilation.
959         * ggc-none.c (ggc_internal_alloc_zone_stat)
960         (ggc_internal_cleared_alloc_zone_stat): New.
961
962 2010-11-29  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
963
964         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Check
965         TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.
966         (rs6000_emit_prologue): Don't set PIC register if
967         TARGET_SINGLE_PIC_BASE.
968         * config/rs6000/rs6000.opt (msingle-pic-base): New option.
969         * doc/invoke.texi (msingle-pic-base): Document.
970
971 2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>
972
973         PR driver/46712
974         * exec-tool.in (id): New.
975         Check and export LT_RCU_$id instead of LT_RCU.
976
977 2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>
978
979         PR tree-optimization/46675
980         * tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
981         in offset calculation.
982
983 2010-11-29  Jan Hubicka  <jh@suse.cz>
984
985         * collect2.c (main): Do not imply verbose output with
986         LTO and linker plugin.
987
988 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
989
990         * dwarf2out.c (print_die): Print the address of the current DIE or
991         of any DIE referenced by the current one.
992
993 2010-11-29  Dodji Seketeli  <dodji@redhat.com>
994
995         PR debug/46101
996         * dwarf2out.c (lookup_type_die_strip_naming_typedef): New
997         function.
998         (scope_die_for, gen_type_die_for_member): Replace uses of
999         lookup_type_die with use of lookup_type_die_strip_naming_typedef.
1000
1001 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
1002
1003         * config/darwin.c (darwin_mergeable_string_section): Remove blank line.
1004         (darwin_asm_declare_object_name): Correct spelling.
1005         (darwin_output_aligned_bss): Likewise.
1006
1007 2010-11-29  Iain Sandoe  <iains@gcc.gnu.org>
1008             Mike Stump  <mrs@gcc.gnu.org>
1009
1010         PR target/26427
1011         PR target/33120
1012         PR testsuite/35710
1013         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Remove
1014         (ASM_OUTPUT_LOCAL): Likewise.
1015         * config/darwin-protos.h (darwin_asm_declare_object_name): New.
1016         (darwin_output_aligned_bss): Likewise.
1017         (darwin_asm_output_aligned_decl_local): Likewise.
1018         (darwin_asm_output_aligned_decl_common): Likewise.
1019         (darwin_use_anchors_for_symbol_p): Likewise.
1020         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Remove.
1021         (TARGET_ASM_OUTPUT_ANCHOR): Define.
1022         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
1023         (DARWIN_SECTION_ANCHORS): Set to 1.
1024         * config/darwin.c (emit_aligned_common): New var.
1025         (darwin_init_sections): Check that the Darwin private zero-size section
1026         marker is in range.
1027         (darwin_text_section): Check for zero-sized objects.
1028         (darwin_mergeable_string_section): Likewise.
1029         (darwin_mergeable_constant_section): Likewise.
1030         (machopic_select_section): Adjust to check for zero-sized objects.
1031         Assert that OBJC meta data are non-zero sized.
1032         (darwin_asm_declare_object_name): New.
1033         (darwin_asm_declare_constant_name): Adjust for zero-sized
1034         object sections.
1035         (BYTES_ZFILL): Define.
1036         (darwin_emit_weak_or_comdat): New.
1037         (darwin_emit_local_bss): New.
1038         (darwin_emit_common): New.
1039         (darwin_output_aligned_bss): New.
1040         (darwin_asm_output_aligned_decl_common): New.
1041         (darwin_asm_output_aligned_decl_local): New.
1042         (darwin_file_end): Disable subsections_via_symbols when section
1043         anchoring is active.
1044         (darwin_asm_output_anchor): Re-enable.
1045         (darwin_use_anchors_for_symbol_p): New.
1046         (darwin_override_options): Check for versions that can emit
1047         aligned common.  Update usage of flags to current.
1048         * config/darwin-sections.def: Update comments and flags for
1049         non-anchor sections.  zobj_const_section, zobj_data_section,
1050         zobj_bss_section, zobj_const_data_section: New.
1051         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Redefine.
1052         (ASM_OUTPUT_ALIGN): Make whitespace output consistent.
1053         (L2_MAX_OFILE_ALIGNMENT): Define.
1054         (ASM_OUTPUT_ALIGNED_BSS): Define.
1055         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
1056         (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
1057         (SECTION_NO_ANCHOR): Define.
1058         (TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
1059         (DARWIN_SECTION_ANCHORS): Define with a default of 0.
1060
1061 2010-11-29  Joseph Myers  <joseph@codesourcery.com>
1062
1063         * system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
1064         Include <signal.h>, <sys/mman.h>, <sys/resource.h> and <sys/times.h>.
1065         (O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
1066         Conditionally define.
1067         (GET_ENVIRONMENT): Poison.
1068         * configure.ac: Don't test for mincore.
1069         * configure: Regenerate.
1070         * config.in: Regenerate.
1071         * collect2-aix.c: Don't include <sys/mman.h>.
1072         * collect2.c: Don't include <signal.h>.
1073         (SIGCHLD): Don't define.
1074         (prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
1075         * config/alpha/alpha.c: Include "splay-tree.h" instead of
1076         <splay-tree.h>.
1077         * config/arm/arm.c (arm_target_help): Use getenv instead of
1078         GET_ENVIRONMENT.
1079         * config/avr/driver-avr.c: Don't include <stdlib.h>.
1080         * config/frv/frv.c: Don't include <ctype.h>.
1081         * config/host-darwin.c: Don't include <sys/mman.h>.
1082         * config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
1083         (MAP_FAILED): Don't define.
1084         * config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
1085         * config/host-solaris.c: Don't include <sys/mman.h>.
1086         * config/i386/cygming.h: Don't include <stdio.h>.
1087         * config/i386/driver-i386.c: Don't include <stdlib.h>.
1088         * config/i386/host-cygwin.c: Don't include <sys/mman.h>.
1089         * config/iq2000/iq2000.c: Don't include <signal.h>.
1090         * config/m32c/m32c-pragma.c: Don't include <stdio.h>.
1091         * config/m68hc11/m68hc11.c: Don't include <stdio.h>.
1092         * config/mep/mep-pragma.c: Don't include <stdio.h>.
1093         * config/microblaze/microblaze.c: Don't include <signal.h>.
1094         * config/mips/mips.c: Don't include <signal.h>.
1095         * config/rs6000/host-darwin.c: Don't include <signal.h>.
1096         * cppdefault.c (cpp_relocated): Use getenv instead of GET_ENVIRONMENT.
1097         * defaults.h (GET_ENVIRONMENT): Don't define.
1098         * et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
1099         * gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
1100         (SIGCHLD, MAP_FAILED, kill): Don't define.
1101         (process_command): Use getenv instead of GET_ENVIRONMENT.
1102         * genhooks.c: Don't include <string.h>.
1103         * ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
1104         <sys/types.h>.
1105         (MAP_FAILED): Don't define.
1106         * ggc-page.c Don't include <sys/mman.h>.
1107         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
1108         * ggc-zone.c: Don't include <sys/mman.h>.
1109         (MAP_ANONYMOUS, MAP_FAILED): Don't define.
1110         * graph.c: Include "config.h" instead of <config.h>.
1111         * incpath.c (add_env_var_paths): Use getenv instead of GET_ENVIRONMENT.
1112         * lto-wrapper.c: Don't include <errno.h>, <signal.h> or "libiberty.h".
1113         (SIGCHLD, kill): Don't define.
1114         * mips-tfile.c: Don't include <signal.h>.
1115         * opts.c: Don't include <signal.h> or <sys/resource.h>.
1116         (print_specific_help): Use getenv instead of GET_ENVIRONMENT.
1117         * passes.c: Don't include <signal.h>, <sys/resource.h> or
1118         <sys/times.h>.
1119         * sparseset.h: Don't include <assert.h>.
1120         * timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
1121         * tlink.c: Don't include "libiberty.h".
1122         * toplev.c: Don't include <signal.h> or <sys/times.h>.
1123         * tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
1124         * tree-switch-conversion.c: Don't include <signal.h>.
1125         * vmsdbgout.c: Don't include <errno.h> or <string.h>.
1126
1127 2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>
1128
1129         * c-parser.c (c_parser_objc_try_catch_statement): Renamed to
1130         c_parser_objc_try_catch_finally_statement for consistency with the
1131         C++ parser.  Parse @catch(...) and pass NULL_TREE to
1132         objc_begin_catch_clause() in that case.  Improved error recovery.
1133         Reorganized code to be almost identical to
1134         cp_parser_objc_try_catch_finally_statement.
1135
1136 2010-11-29  Joern Rennecke  <amylaar@spamcop.net>
1137
1138         PR tree-optimization/46621
1139         * gimple.h: Don't include tm.h or hard-reg-set.h .
1140         * Makefile.in (GIMPLE_H): Remove $(TM_H).
1141
1142         PR bootstrap/44756
1143         * cppbuiltin.c: Include target.h .
1144         (define_builtin_macros_for_type_sizes):
1145         Use targetm.float_words_big_endian.
1146
1147 2010-11-27  Jan Hubicka  <jh@suse.cz>
1148
1149         * dwarf2out.c (dwarf2out_begin_function): Set cold_text_section
1150         and output cold_text_section_label.
1151         (dwarf2out_init): Don't do that there.
1152         (dwarf2out_finish): Handle cold section end label only if cold
1153         section was used.
1154
1155 2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>
1156
1157         * tree-nested.c (remap_vla_decls): Fully expand value expressions of
1158         VLA variables.
1159
1160 2010-11-27  Richard Guenther  <rguenther@suse.de>
1161
1162         * gimple.c (gimple_assign_copy_p): Use gimple_assign_single_p.
1163         (gimple_assign_ssa_name_copy_p): Likewise.
1164         (gimple_assign_unary_nop_p): Use is_gimple_assign.
1165         (is_gimple_cast): Remove.
1166         (gimple_assign_single_p): Move ...
1167         * gimple.h (gimple_assign_single_p): ... here.
1168         (is_gimple_cast): Remove.
1169         (gimple_assign_rhs_code): Simplify.
1170         * gimple-fold.c (gimple_fold_builtin): Use CONVERT_EXPR_P
1171         instead of is_gimple_cast.
1172         * ipa-type-escape.c (look_for_casts): Likewise.
1173
1174 2010-11-26  Joseph Myers  <joseph@codesourcery.com>
1175
1176         * doc/options.texi (Enum, EnumValue): Document new record types.
1177         (Enum): Document new option flag.
1178         * opt-functions.awk
1179         * optc-gen.awk: Handle enumerated option arguments.
1180         * opth-gen.awk: Handle enumerated option arguments.
1181         * opts-common.c (enum_arg_ok_for_language, enum_arg_to_value,
1182         enum_value_to_arg): New.
1183         (decode_cmdline_option): Handle enumerated arguments.
1184         (read_cmdline_option): Handle CL_ERR_ENUM_ARG.
1185         (set_option, option_enabled, get_option_state): Handle CLVC_ENUM.
1186         * opts.c (print_filtered_help, print_specific_help): Take
1187         lang_mask arguments.
1188         (print_filtered_help): Handle printing values of enumerated
1189         options.  Print possible arguments for enumerated options.
1190         (print_specific_help): Update call to print_filtered_help.
1191         (common_handle_option): Update calls to print_specific_help.  Use
1192         value rather than arg for OPT_fdiagnostics_show_location_.  Don't
1193         handle OPT_ffp_contract_, OPT_fexcess_precision_,
1194         OPT_fvisibility_, OPT_ftls_model_, OPT_fira_algorithm_ or
1195         OPT_fira_region_ here.
1196         * opts.h (enum cl_var_type): Add CLVC_ENUM.
1197         (struct cl_option): Add var_enum.
1198         (CL_ENUM_CANONICAL, CL_ENUM_DRIVER_ONLY, struct cl_enum_arg,
1199         struct cl_enum, cl_enums, cl_enums_count): New.
1200         (CL_ERR_ENUM_ARG): Define.
1201         (CL_ERR_NEGATIVE): Update value.
1202         (enum_value_to_arg): Declare.
1203         * common.opt (flag_ira_algorithm, flag_ira_region,
1204         flag_fp_contract_mode, flag_excess_precision_cmdline,
1205         default_visibility, flag_tls_default): Remove Variable entries.
1206         (help_enum_printed): New Variable.
1207         (fdiagnostics-show-location=): Use Enum.  Add associated
1208         SourceInclude, Enum and EnumValue entries.
1209         (fexcess-precision=, ffp-contract=, fira-algorithm=, fira-region=,
1210         ftls-model=, fvisibility=): Use Enum, Var and Init.  Add
1211         associated Enum and EnumValue entries.
1212
1213 2010-11-26  Joern Rennecke  <amylaar@spamcop.net>
1214
1215         PR target/46623
1216         * config/microblaze/microblaze.c (microblaze_block_move_straight):
1217         Use XALLOCAVEC.
1218         (microblaze_option_override): Don't use C++ style comments.
1219         (save_restore_insns): Remove unused variable base_offset.
1220         (microblaze_expand_prologue): Remove unused variable insn.
1221         (microblaze_secondary_reload): Adjust type to match target.h .
1222         (microblaze_elf_in_small_data_p): Move declarations to start of block.
1223         (microblaze_expand_move): Likewise.
1224         * config/microblaze/microblaze.h (LARGE_INT):
1225         Avoid signed / unsigned comparisons.
1226         (ASM_OUTPUT_ALIGNED_COMMON, ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
1227         (ASM_FORMAT_PRIVATE_NAME): Make format specifier match printed data.
1228         (ASM_FINISH_DECLARE_OBJECT): Likewise.  Constify name.
1229
1230 2010-11-26  Michael Matz  <matz@suse.de>
1231
1232         * tree-ssa-copy.c (fini_copy_prop): Don't DCE when we have loops.
1233
1234         * passes.c (init_optimization_passes): Remove superfluous
1235         copy-prop pass.
1236
1237 2010-11-26  Richard Guenther  <rguenther@suse.de>
1238
1239         PR lto/46648
1240         * gimple.c (gtc_visit): Do not return true for members of an
1241         SCC still being processed but the current lattice value of
1242         the member.  Treat SCC members comparison state as lattice,
1243         starting at equal, eventually dropping to unequal.
1244         (gimple_types_compatible_p_1): Likewise.
1245
1246 2010-11-26  Richard Guenther  <rguenther@suse.de>
1247
1248         PR middle-end/46559
1249         * dwarf2out.c (dwarf2out_finish): Use comp_unit_die as root
1250         for location list processing.
1251
1252 2010-11-26  Richard Guenther  <rguenther@suse.de>
1253
1254         PR lto/46560
1255         * cgraph.c (cgraph_clone_edge): Clone call_stmt dependent
1256         flags manually.
1257
1258 2010-11-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1259
1260         * config/s390/s390.c (print_operand_address): Replace assert with
1261         error message.
1262         (print_operand): Replace assertions, gcc_unreachable and
1263         fatal_insn with error messages.
1264
1265 2010-11-26  Richard Guenther  <rguenther@suse.de>
1266
1267         PR tree-optimization/46665
1268         * tree-ssa-structalias.c (pt_solution_set_var): Use DECL_PT_UID.
1269
1270 2010-11-26  Ian Bolton  <ian.bolton@arm.com>
1271
1272         * config/arm/arm.c (arm_option_override): enable loop array
1273         prefetching at -O3 for suitable targets, and configure params.
1274         * config/arm/arm-protos.h (struct tune_params): Add fields for
1275         configuring loop array prefetching.
1276
1277 2010-11-26  Christian Borntraeger  <borntraeger@de.ibm.com>
1278
1279         * config/s390/2817.md (z196_crack): Add z196_g3 as possible slot.
1280
1281 2010-11-26  Richard Guenther  <rguenther@suse.de>
1282
1283         PR tree-optimization/46664
1284         * tree-affine.c (aff_combination_to_tree): Add rest last.
1285
1286 2010-11-26  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1287
1288         PR target/33637
1289         * configure.ac: Accept extra arguments for AS_FOR_TARGET,
1290         LD_FOR_TARGET, NM_FOR_TARGET, OBJDUMP_FOR_TARGET.
1291         * configure: Regenerated.
1292         * exec-tool.in: Not quoting command, may have extra arguments.
1293
1294 2010-11-26  Richard Guenther  <rguenther@suse.de>
1295
1296         PR tree-optimization/46528
1297         PR debug/46338
1298         * profile.c (branch_prob): Do not split blocks based on locations
1299         from debug statements.
1300
1301 2010-11-26  Jakub Jelinek  <jakub@redhat.com>
1302
1303         PR middle-end/46647
1304         * builtins.c (fold_builtin_memset): Check c is INTEGER_CST instead
1305         of host_integerp check.  Use TREE_INT_CST_LOW instead of tree_low_cst.
1306
1307         PR bootstrap/45700
1308         * tree.h (build1_stat_loc, build2_stat_loc, build3_stat_loc,
1309         build4_stat_loc, build5_stat_loc, build6_stat_loc): New inlines.
1310         (build1_loc, build2_loc, build3_loc, build4_loc, build5_loc,
1311         build6_loc): Define.
1312         * fold-const.c (protected_set_expr_location_unshare): New inline.
1313         (fold_convert_loc, pedantic_non_lvalue_loc): Use it.
1314         (negate_expr, associate_trees, non_lvalue_loc, omit_one_operand_loc,
1315         pedantic_omit_one_operand_loc, omit_two_operands_loc,
1316         fold_truth_not_expr, invert_truthvalue_loc, make_bit_field_ref,
1317         optimize_bit_field_compare, make_range, fold_range_test, fold_truthop,
1318         build_fold_addr_expr_with_type_loc, fold_unary_loc, fold_binary_loc,
1319         fold_indirect_ref_1, build_fold_indirect_ref_loc): Use builN_loc
1320         instead of buildN followed by SET_EXPR_LOCATION or
1321         protected_set_expr_location.
1322         (fold_build1_stat_loc, fold_build2_stat_loc, fold_build3_stat_loc):
1323         Use buildN_stat_loc instead of buildN_stat followed by
1324         SET_EXPR_LOCATION.
1325
1326 2010-11-26  Basile Starynkevitch  <basile@starynkevitch.net>
1327
1328         * Makefile.in (s-tm-texi): Remove spurous tab.
1329
1330 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
1331
1332         PR debug/46258
1333         * tree-cfg.c (replace_uses_by): Don't mark BBs as altered on
1334         debug stmts.
1335
1336 2010-11-26  Alexandre Oliva  <aoliva@redhat.com>
1337
1338         * toplev.c (finalize): Add no_backend parameter.  Don't finish
1339         passes when preprocessing only.  Adjust...
1340         (do_compile): ... caller.
1341
1342 2010-11-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1343
1344         * config/pa/pa.md (negdf2): Condition on !flag_signed_zeros instead of
1345         flag_unsafe_math_optimizations.
1346         (negsf2): Likewise.
1347         Move fnegabs related patterns together.  Only use fmpynfadd instruction
1348         to negate a multiply if !flag_signed_zeros is true.
1349
1350 2010-11-25  Uros Bizjak  <ubizjak@gmail.com>
1351
1352         * gengtype-state.c (read_state_structures): Initialize "previous".
1353
1354 2010-11-25  Basile Starynkevitch  <basile@starynkevitch.net>
1355             Jeremie Salvucci  <jeremie.salvucci@free.fr>
1356
1357         * gengtype-state.c: Add new file.
1358
1359         * gengtype.c (type count): New variable.
1360         (new_structure, find_param_structure, create_pointer)
1361         (create_array): Use it to set state_number in types.
1362         (dump_everything): Improve comment.
1363         (main): Call read_state and write_state. Print type_count.
1364
1365         * gengtype.h (type_lineloc): New function.
1366         (read_state, write_state): New declarations.
1367
1368         * Makefile.in (GENGTYPE_FLAGS): New variable.
1369         (s-gtype): Run gengtype twice and generate gtype.state.
1370         (build/gengtype-state.o): New rule.
1371         (build/gengtype$(build_exeext)): Link gengtype-state.o.
1372         (mostlyclean): Update comment.  Remove gtype.state.
1373
1374 2010-11-25  Jakub Jelinek  <jakub@redhat.com>
1375
1376         PR middle-end/46637
1377         * combine.c (try_combine): When substing i2dest for i2src, pass
1378         1 as last argument even if
1379         i0_feeds_i1_n && i1_feeds_i2_n && i0dest_in_i0src.
1380
1381 2010-11-25  H.J. Lu  <hongjiu.lu@intel.com>
1382
1383         PR middle-end/46647
1384         * builtins.c (target_char_cast): Check INTEGER_CST instead of
1385         host_integerp.  Replace tree_low_cst with TREE_INT_CST_LOW.
1386
1387 2010-11-25  Joseph Myers  <joseph@codesourcery.com>
1388
1389         * target.def (supports_split_stack, except_unwind_info): Take
1390         gcc_options parameters.
1391         * targhooks.c (default_except_unwind_info,
1392         dwarf2_except_unwind_info, sjlj_except_unwind_info): Take
1393         gcc_options parameters.
1394         * targhooks.h (default_except_unwind_info,
1395         dwarf2_except_unwind_info, sjlj_except_unwind_info): Update
1396         prototypes.
1397         * doc/tm.texi.in (TARGET_IRA_COVER_CLASSES,
1398         TARGET_HAVE_NAMED_SECTIONS, TARGET_UNWIND_TABLES_DEFAULT):
1399         Document that hooks must not be modified.
1400         (TARGET_EXCEPT_UNWIND_INFO): Refer to opts argument.
1401         * doc/tm.texi: Regenerate.
1402         * defaults.h (STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT): Pass
1403         &global_options to targetm.except_unwind_info.
1404         * dwarf2out.c (dwarf2out_do_frame, dwarf2out_do_cfi_asm,
1405         dwarf2out_begin_prologue, dwarf2out_frame_init,
1406         dwarf2out_frame_finish, dwarf2out_assembly_start): Pass
1407         &global_options to targetm.except_unwind_info.
1408         * except.c (init_eh, finish_eh_generation,
1409         gate_convert_to_eh_region_ranges,
1410         output_one_function_exception_table): Pass &global_options to
1411         targetm.except_unwind_info.
1412         * expr.c (build_personality_function): Pass &global_options to
1413         targetm.except_unwind_info.
1414         * function.c (expand_function_end): Pass &global_options to
1415         targetm.except_unwind_info.
1416         * hooks.c (hook_bool_bool_gcc_optionsp_false): New.
1417         * hooks.h (hook_bool_bool_gcc_optionsp_false): Declare.
1418         * opts.c (finish_options): Pass opts to targetm.except_unwind_info
1419         and targetm.supports_split_stack.  Remove assertions about opts
1420         and opts_set.
1421         (common_handle_option): Remove assertions about opts, opts_set and dc.
1422         * tree-tailcall.c (suitable_for_tail_call_opt_p): Pass
1423         &global_options to targetm.except_unwind_info.
1424         * tree.c (build_common_builtin_nodes: Pass &global_options to
1425         targetm.except_unwind_info.
1426         * config/arm/arm.c (arm_except_unwind_info): Add gcc_options parameter.
1427         (arm_compute_func_type, arm_expand_prologue, thumb_pushpop,
1428         thumb1_expand_prologue, thumb1_output_function_prologue,
1429         arm_unwind_emit, arm_output_fn_unwind): Update calls to
1430         arm_except_unwind_info.
1431         * config/i386/i386.c (ix86_supports_split_stack): Add gcc_options
1432         parameter.
1433         * config/ia64/ia64.c (ia64_except_unwind_info): Add gcc_options
1434         parameter.
1435         (ia64_output_function_prologue, ia64_add_bundle_selector_before,
1436         ia64_reorg, ia64_asm_unwind_emit): Update calls to
1437         ia64_except_unwind_info.
1438         * config/pa/pa.c (pa_option_override): Pass &global_options to
1439         targetm.except_unwind_info.
1440         * config/picochip/picochip-protos.h (picochip_except_unwind_info):
1441         Remove prototype.
1442
1443 2010-11-25  Kai Tietz  <kai.tietz@onevision.com>
1444
1445         * cgraphunit.c (process_function_and_variable_attributes):
1446         Mark dllexport-ed function/variables as needed.
1447         * ipa.c (cgraph_externally_visible_p): Make dllexport-ed
1448         as externally visible.
1449
1450 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
1451
1452         PR rtl-optimization/46585
1453         * sel-sched-ir.c (return_regset_to_pool): Verify that RS is not NULL.
1454         (vinsn_init): Skip computation of dependencies for local NOPs.
1455         (vinsn_delete): Don't try to free regsets for local NOPs.
1456         (setup_nop_and_exit_insns): Change definition of nop_pattern.
1457
1458 2010-11-25  Alexander Monakov  <amonakov@ispras.ru>
1459
1460         PR rtl-optimization/46602
1461         * sel-sched-ir.c (maybe_tidy_empty_bb): Move checking ...
1462         (tidy_control_flow): Here.
1463
1464 2010-11-25  Joern Rennecke  <amylaar@spamcop.net>
1465             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1466
1467         PR bootstrap/45888
1468         * Makefile.in (s-tm-texi): Remove \r occurences from tmp-tm.texi.
1469         Fix target.def pathname in timestamp comparison.
1470
1471 2010-11-24  Richard Henderson  <rth@redhat.com>
1472
1473         * config/ia64/predicates.md (pmpyshr_operand): New.
1474         * config/ia64/ia64.c (ia64_expand_unpack): New.
1475         (ia64_expand_widen_mul_v4hi): New.
1476         (ia64_expand_widen_sum): Update for pattern renames.
1477         (ia64_expand_dot_prod_v8qi): Likewise.
1478         * config/ia64/ia64-protos.h: Update.
1479         * config/ia64/vect.md (vecwider): New mode attribute.
1480         (vec_widen_umult_lo_v8qi, vec_widen_umult_hi_v8qi): New.
1481         (vec_widen_smult_lo_v8qi, vec_widen_smult_hi_v8qi): New.
1482         (pmpyshr2, pmpyshr2_u): New.
1483         (vec_widen_smult_lo_v4hi, vec_widen_smult_hi_v4hi): New.
1484         (vec_widen_umult_lo_v4hi, vec_widen_umult_hi_v4hi): New.
1485         (mulv2si3): New.
1486         (vec_pack_ssat_v4hi): Rename from pack2_sss.
1487         (vec_pack_usat_v4hi): Rename from *pack2_uss.
1488         (vec_pack_ssat_v2si): Rename from pack4_sss.
1489         (vec_interleave_lowv8qi): Rename from unpack1_l, use the correct
1490         vec_select operation.
1491         (vec_interleave_highv8qi): Similarly.
1492         (mux1_alt): Rename from *mux1_alt.
1493         (vec_extract_evenv8qi, vec_extract_oddv8qi): New.
1494         (vec_interleave_lowv4hi): Rename from unpack2_l.
1495         (vec_interleave_highv4hi): Rename from unpack2_h.
1496         (mix2_r): Rename from *mix2_r.
1497         (mix2_l): Similarly.
1498         (vec_extract_evenodd_helper): New.
1499         (vec_extract_evenv4hi, vec_extract_oddv4hi): New.
1500         (vec_interleave_lowv2si): Rename from *unpack4_l.
1501         (vec_interleave_highv2si): Rename from *unpack4_h.
1502         (vec_extract_evenv2si, vec_extract_oddv2si): New.
1503         (vec_interleave_lowv2sf): Rename from fmix_r.
1504         (vec_interleave_highv2sf): Rename from *fmix_l.
1505         (vec_extract_evenv2sf, vec_extract_oddv2sf): New.
1506         (vec_unpacku_lo_<VECINT12>, vec_unpacku_hi_<VECINT12>): New.
1507         (vec_unpacks_lo_<VECINT12>, vec_unpacks_hi_<VECINT12>): New.
1508         (vec_pack_trunc_v4hi, vec_pack_trunc_v2si): New.
1509
1510 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
1511
1512         * targhooks.c (default_except_unwind_info): Remove
1513         MUST_USE_SJLJ_EXCEPTIONS case.
1514         * config/h8300/h8300.h (MUST_USE_SJLJ_EXCEPTIONS): Delete.
1515         * config/h8300/h8300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
1516         * doc/tm.texi.in (MUST_USE_SJLJ_EXCEPTIONS): Delete.
1517         * doc/tm.texi: Regenerate.
1518         * system.h (MUST_USE_SJLJ_EXCEPTIONS): Poison.
1519
1520 2010-11-24  Nathan Froyd  <froydnj@codesourcery.com>
1521
1522         * cppbuiltin.c (define_builtin_macros_for_type_sizes): Define
1523         __FLOAT_WORD_ORDER__ according to FLOAT_WORDS_BIG_ENDIAN.
1524         * config/dfp-bit.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Delete.
1525         * doc/cpp.texi (__FLOAT_WORD_ORDER__): Document.
1526         * system.h (LIBGCC2_FLOAT_WORDS_BIG_ENDIAN): Poison.
1527
1528 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
1529
1530         PR target/46519
1531         * config/i386/i386.c (ix86_expand_call): Don't check
1532         TREE_THIS_VOLATILE.
1533
1534 2010-11-24  H.J. Lu  <hongjiu.lu@intel.com>
1535
1536         PR target/46519
1537         * config/i386/i386.c (upper_128bits_state): New.
1538         (block_info_def): Remove upper_128bits_set and done.  Add state,
1539         referenced, count, processed and rescanned.
1540         (check_avx256_stores): Updated.
1541         (move_or_delete_vzeroupper_2): Updated. Handle deleted BB_END.
1542         Call note_stores only if needed.  Set referenced and count.
1543         (move_or_delete_vzeroupper_1): Updated.  Set rescan_vzeroupper_p.
1544         (rescan_move_or_delete_vzeroupper): New.
1545         (move_or_delete_vzeroupper):  Process and rescan all all basic
1546         blocks instead of predecessor blocks of all exit points.
1547         (ix86_option_override_internal): Enable vzeroupper optimization
1548         only for -fexpensive-optimizations and not optimizing for size.
1549         (use_avx256_p): Removed.
1550         (init_cumulative_args): Don't set use_avx256_p.
1551         (ix86_function_arg): Likewise.
1552         (ix86_expand_move): Likewise.
1553         (ix86_expand_vector_move_misalign): Likewise.
1554         (ix86_local_alignment): Likewise.
1555         (ix86_minimum_alignment): Likewise.
1556         (ix86_expand_epilogue): Don't check use_avx256_p when generating
1557         vzeroupper.
1558         (ix86_expand_call): Likewise.
1559
1560         * config/i386/i386.h (machine_function): Remove use_vzeroupper_p
1561         and use_avx256_p.  Add rescan_vzeroupper_p.
1562
1563 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
1564
1565         * toplev.c: Include <signal.h>.
1566
1567 2010-11-24  Richard Guenther  <rguenther@suse.de>
1568
1569         PR lto/43218
1570         * lto-symtab.c (lto_cgraph_replace_node): Mark edges with
1571         conflicting function signatures as non-inlineable.
1572
1573 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
1574
1575         PR rtl-optimization/46614
1576         * sched-deps.c (NON_FLUSH_JUMP_KIND, NON_FLUSH_JUMP_P): Define.
1577          (deps_analyze_insn): Mark JUMP_INSNs in
1578         last_pending_memory_flush that weren't added through
1579         flush_pending_lists with NON_FLUSH_JUMP_KIND.
1580         (sched_analyze_2, sched_analyze_insn): Check NON_FLUSH_JUMP_P
1581         on INSN_LIST instead of JUMP_P check on its operand.
1582         * sched-rgn.c (concat_INSN_LIST): Copy over REG_NOTE_KIND.
1583
1584 2010-11-24  Richard Guenther  <rguenther@suse.de>
1585
1586         * lto-streamer-in.c (input_gimple_stmt): Use types_compatible_p.
1587
1588 2010-11-24  Richard Guenther  <rguenther@suse.de>
1589
1590         PR lto/46606
1591         * lto-streamer-in.c (input_gimple_stmt): When we cannot find
1592         a FIELD_DECL that is type correct issue a warning and fixup
1593         with a VIEW_CONVERT_EXPR.
1594
1595 2010-11-24  Basile Starynkevitch  <basile@starynkevitch.net>
1596
1597         * doc/invoke.texi (Options for Debugging Your Program or GCC):
1598         Explain static numbering of dump files.
1599
1600 2010-11-24  Joseph Myers  <joseph@codesourcery.com>
1601
1602         * common.opt (user_vect_verbosity_level): New Variable entry.
1603         (ftree-vectorizer-verbose=): Mark as UInteger.
1604         * flag-types.h (enum vect_verbosity_levels): Move from enum
1605         verbosity_levels in tree-vectorizer.h.
1606         * opts.c: Don't include tree.h.
1607         (vect_set_verbosity_level): Move from tree-vectorizer.c.  Use
1608         gcc_options parameter; take integer option argument.
1609         (common_handle_option): Update call to vect_set_verbosity_level.
1610         * tree-vectorizer.c (user_vect_verbosity_level): Remove.
1611         (vect_set_verbosity_level): Move to opts.c.
1612         (vect_verbosity_level, vect_print_dump_info): Update for change of
1613         enum name.
1614         * tree-vectorizer.h (enum verbosity_levels): Move to flag-types.h.
1615         (vect_print_dump_info): Update for change of enum name.
1616         * tree.h (vect_set_verbosity_level): Remove.
1617         * Makefile.in (opts.o): Update dependencies.
1618
1619 2010-11-24  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR middle-end/46629
1622         * cfgexpand.c (maybe_cleanup_end_of_block): Test NEXT_INSN (insn)
1623         instead of insn with any_condjump_p.
1624
1625 2010-11-24  Mingjie Xing  <mingjie.xing@gmail.com>
1626
1627         * config/mips/loongson.md: Change the description comment of the file
1628         and update the copyright years.
1629         (define_insn "<u>div<mode>3): Add loongson3a support.
1630         (define_insn "<u>mod<mode>3"): Likewise.
1631         * config/mips/mips.md: Rename mul<mode>3_mul3_ls2ef to
1632         mul<mode>3_mul3_loongson.
1633         (define_expand "mul<mode>3"): Add TARGET_LOONGSON_3A.
1634         (define_insn "mul<mode>3_mul3_loongson"): Add loongson3a support.
1635
1636 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
1637
1638         * common.opt (initial_max_fld_align, flag_debug_asm,
1639         flag_dump_rtl_in_asm, flag_dump_all_passed, rtl_dump_and_exit,
1640         flag_print_asm_name, graph_dump_format, help_printed,
1641         help_columns, flag_opts_finished): New Variable entries.
1642         (fdbg-cnt-list, fdbg-cnt=, fdebug-prefix-map=, frandom-seed,
1643         frandom-seed=): Mark deferred.
1644         (fsched-verbose=): Use UInteger and Var.
1645         * flags.h (set_struct_debug_option, flag_print_asm_name,
1646         rtl_dump_and_exit, flag_debug_asm, flag_dump_rtl_in_asm,
1647         graph_dump_format): Don't declare here.
1648         * haifa-sched.c (sched_verbose_param, fix_sched_param): Remove.
1649         * opts-global.c: Include dbgcnt.h and debug.h.
1650         (decode_options): Pass location to finish_options.
1651         (handle_common_deferred_options): Check flag_dump_all_passed.
1652         Handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list, OPT_fdebug_prefix_map_,
1653         OPT_frandom_seed and OPT_frandom_seed_.  Don't assert on
1654         OPT_fstack_limit.
1655         * opts.c: Don't include toplev.h, dbgcnt.h or debug.h.
1656         (set_struct_debug_option): Add location_t parameter.  Update
1657         recursive call.  Use error_at.
1658         (default_options_optimization): Use error_at.
1659         (finish_options): Add location_t parameter.  Use
1660         opts->x_flag_opts_finished instead of first_time_p.  Use
1661         opts->x_optimize instead of optimize.  Use error_at.  Pass
1662         location to inform.
1663         (print_filtered_help): Use opts->x_help_printed to track what
1664         options have been printed.
1665         (print_specific_help): Use opts->x_help_columns to track number of
1666         columns.
1667         (common_handle_option): Pass locations and gcc_options pointers to
1668         more functions.  Use warning_at instead of fnotice and warning.
1669         Don't handle OPT_fdbg_cnt_, OPT_fdbg_cnt_list or
1670         OPT_fdebug_prefix_map_.  Use error_at.  Set
1671         opts->x_initial_max_fld_align; don't set maximum_field_alignment.
1672         Don't handle OPT_frandom_seed or OPT_frandom_seed_.  Don't handle
1673         OPT_fsched_verbose_.
1674         (handle_param): Add location_r parameter.  Use error_at.
1675         (set_debug_level): Add location_r parameter.  Use error_at and
1676         warning_at.
1677         (setup_core_dumping): Add diagnostic_context parameter.
1678         (decode_d_option): Add gcc_options, location_t and
1679         diagnostic_context parameters and use them instead of global
1680         state.  Use warning_at.
1681         (enable_warning_as_error): Use error_at.
1682         * opts.h (finish_options): Update prototype.
1683         (set_struct_debug_option): Declare here.
1684         * rtl.h (fix_sched_param): Remove.
1685         * stor-layout.c (initial_max_fld_align): Remove.
1686         * toplev.c (rtl_dump_and_exit, flag_print_asm_name,
1687         graph_dump_format, flag_debug_asm, flag_dump_rtl_in_asm): Remove.
1688         (process_options): Set maximum_field_alignment.
1689         * tree.h (initial_max_fld_align) Don't declare here.
1690         * Makefile.in (opts.o, opts-global.o): Update dependencies.
1691
1692 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
1693
1694         * flag-types.h (struct visibility_flags): Don't declare here.
1695         * flags.h (strip_off_ending, fast_math_flags_set_p,
1696         fast_math_flags_struct_set_p): Declare here.
1697         (visibility_options): Don't declare here.
1698         * opts-common.c (option_enabled, get_option_state): Move from
1699         opts.c.
1700         * opts-global.c: Include diagnostic.h instead of
1701         diagnostic-core.h.  Include tree.h, langhooks.h, lto-streamer.h
1702         and toplev.h.
1703         (const_char_p, ignored_options, in_fnames, num_in_fnames,
1704         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
1705         print_ignored_options, unknown_option_callback,
1706         post_handling_callback, lang_handle_option, add_input_filename,
1707         read_cmdline_options, initial_lang_mask, init_options_once,
1708         decode_cmdline_options_to_array_default_mask,
1709         set_default_handlers, decode_options): Move from opts.c.
1710         (print_ignored_options): Use warning_at instead of saving and
1711         restoring input_location.
1712         * opts.c: Include <signal.h> and <sys/resource.h>.  Include rtl.h
1713         instead of expr.h.  Don't include langhooks.h, except.h or
1714         lto-streamer.h.  Add more comments on includes.
1715         (strip_off_ending, setup_core_dumping, decode_d_option): Move from
1716         toplev.c.
1717         (visibility_options): Move to c-family/c-common.c.
1718         (const_char_p, ignored_options, in_fnames, num_in_fnames,
1719         write_langs, complain_wrong_lang, postpone_unknown_option_warning,
1720         print_ignored_options, unknown_option_callback,
1721         post_handling_callback, lang_handle_option, add_input_filename,
1722         read_cmdline_options, initial_lang_mask, init_options_once,
1723         decode_cmdline_options_to_array_default_mask,
1724         set_default_handlers, decode_options): Move to opts-global.c.
1725         (target_handle_option, default_options_optimization,
1726         finish_options, common_handle_option): Remove static.
1727         (option_enabled, get_option_state): Move to opts-common.c.
1728         * opts.h (common_handle_option, target_handle_option,
1729         finish_options, default_options_optimization): Declare.
1730         * toplev.c: Don't include <signal.h> or <sys/resource.h>.
1731         (setup_core_dumping, strip_off_ending, decode_d_option): Move to
1732         opts.c.
1733         * toplev.h (strip_off_ending, decode_d_option,
1734         fast_math_flags_set_p, fast_math_flags_struct_set_p): Don't
1735         declare here.
1736         * Makefile.in (opts.o, opts-global.o): Update dependencies.
1737
1738 2010-11-23  Dave Korn  <dave.korn.cygwin@gmail.com>
1739
1740         PR driver/42690
1741         * gcc.c (LINK_COMMAND_SPEC): Remove hard-coded pass-through plugin
1742         options, replace by call of pass-through-libs spec function to process
1743         link_gcc_c_sequence spec.
1744         (lto_libgcc_spec): Delete variable.
1745         (static_specs[]): Remove related entry.
1746         (static_spec_functions[]): Add new entry for pass-through-libs.
1747         (main): Don't generate deleted lto_libgcc_spec.
1748         (pass_through_libs_spec_func): New function to implement the new
1749         pass-through-libs spec function.
1750         * doc/invoke.texi (pass-through-libs): Document new spec function.
1751
1752 2010-11-23  Joseph Myers  <joseph@codesourcery.com>
1753
1754         * doc/options.texi (Warning, Optimization): Document.
1755
1756 2010-11-23  Jan Hubicka  <jh@suse.cz>
1757
1758         * tree.h (DECL_HAS_IMPLICIT_SECTION_NAME_P): New macro.
1759         (tree_decl_with_vis): Add implicit_section_name_p.
1760         * targhooks.h (default_function_section): Declare.
1761         * target.def (function_section): New hook.
1762         * defaults.h (HOT_TEXT_SECTION_NAME,
1763         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1764         * predict.c (choose_function_section): Remove.
1765         (estimate_bb_frequencies): Do not use choose_function_section.
1766         * coretypes.h (enum node_frequency): Move here from cgraph.h
1767         * cgraph.h (enum node_frequency): Remove.
1768         * varasm.c (initialize_cold_section_name, unlikely_text_section,
1769         unlikely_text_section_p): Remove.
1770         (named_subsection_entry): New structure.
1771         (get_text_section): New function.
1772         (default_function_section): New function.
1773         (function_section_1): Break out from ...; handle profile info.
1774         (function_section): ... here.
1775         (unlikely_text_section): Remove.
1776         (unlikely_text_section_p): Use function_section_1.
1777         (assemble_start_function): Do not initialize cold section.
1778         (default_section_type_flags): Do not special case cold subsection.
1779         (switch_to_section): Likewise.
1780         * output.h (get_text_section): Define.
1781         * config/i386/winnt.c: Do not special case cold section.
1782         * config/darwin-protos.h (darwin_function_section): Declare.
1783         * config/microblaze/microblaze.h (HOT_TEXT_SECTION_NAME,
1784         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1785         * config/ia64/hpux.h (HOT_TEXT_SECTION_NAME,
1786         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1787         (TARGET_ASM_FUNCTION_SECTION): Define to ia64_hpux_function_section.
1788         * config/ia64/ia64.c (ia64_hpux_function_section): New function.
1789         * config/darwin.c (machopic_select_section): Use
1790         darwin_function_section.
1791         (darwin_function_section): New function.
1792         * config/darwin.h (HOT_TEXT_SECTION_NAME,
1793         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
1794         (TARGET_ASM_FUNCTION_SECTION): Define.
1795         * system.h (HOT_TEXT_SECTION_NAME,
1796         UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Poison.
1797
1798 2010-11-23  Iain Sandoe  <iains@gcc.gnu.org>
1799
1800         * config/darwin.h (LINK_COMMAND_SPEC_A): Use %(link_gcc_c_sequence).
1801         LINK_GCC_C_SEQUENCE_SPEC: Define new macro.
1802
1803 2010-11-23  Jakub Jelinek  <jakub@redhat.com>
1804
1805         PR middle-end/46499
1806         * cfgexpand.c (maybe_cleanup_end_of_block): Remove also BARRIERs
1807         following unconditional jumps.
1808
1809 2010-11-23  Richard Guenther  <rguenther@suse.de>
1810
1811         * doc/md.texi (386 constraints): Clarify A constraint documentation.
1812
1813 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
1814             Jeremie Salvucci  <jeremie.salvucci@free.fr>
1815
1816         * gengtype.c (enum typekind, struct options)
1817         (struct nested_ptr_data, struct pair, NUM_PARAM)
1818         (enum gc_used_num, struct type, UNION_P, UNION_OR_STRUCT_P):
1819         Move to gengtype.h.
1820         (string_type, scalar_nonchar, scalar_nonchar, scalar_char):
1821         Remove static, add zero state_number.
1822         (typedefs, structures, param_structs, variables): Remove static.
1823         (create_option): Remove.
1824         (create_string_option, create_type_option, create_nested_option):
1825         New functions.
1826         (create_nested_ptr_option): Use create_nested_option.
1827         (note_variable, adjust_field_rtx_def, adjust_field_type): Call the
1828         new create*option functions.
1829         (process_gc_options): Adjust for discriminated option.
1830         (output_mangled_typename): Handle TYPE_NONE.
1831         (walk_type): Test option kinds.
1832         (write_types_process_field): Handle TYPE_NONE and TYPE_ARRAY.
1833         (write_func_for_structure, write_type, write_local, write_root)
1834         (write_roots, note_def_vec, dump_options): Adjust for
1835         discriminated option.
1836
1837         * gengtype.h (typedefs, structures, param_structs, variables
1838         enum typekind): Move from gengtype.c
1839         (enum option_kind): New discriminating enumeration.
1840         (struct options): Becomes discriminated.
1841         (struct nested_ptr_data): Nove from gengtype.c
1842         (create_string_option, create_type_option, create_nested_option)
1843         (create_nested_ptr_option): New functions
1844         (struct pair, enum_gc_used_enum, NUM_PARAM, struct type, UNION_P)
1845         (UNION_OR_STRUCT_P): Move from gengtype.c
1846
1847         * gengtype-parse.c (str_optvalue_opt, type_optvalue, option): Make
1848         discriminated options.
1849
1850 2010-11-23  Richard Guenther  <rguenther@suse.de>
1851
1852         * tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid doing work
1853         twice.  Avoid re-allocating the ops vector all the time.
1854
1855 2010-11-23  Richard Guenther  <rguenther@suse.de>
1856
1857         * tree-ssa-alias.c (refs_may_alias_p_1): Avoid calls to
1858         is_gimple_min_invariant, group tree code checks to allow
1859         combining them.
1860         (stmt_may_clobber_ref_p_1): Check for SSA_NAME instead
1861         of is_gimple_reg.
1862
1863 2010-11-23  Eric Botcazou  <ebotcazou@adacore.com>
1864
1865         * config.gcc (sparc*-*-*): Reorder.
1866
1867 2010-11-23  Basile Starynkevitch  <basile@starynkevitch.net>
1868
1869         * gengtype.c (header_dot_h_frul, source_dot_c_frul):
1870         Remove ENABLE_CHECKING around DBGPRINTF.
1871
1872 2010-11-22  Joseph Myers  <joseph@codesourcery.com>
1873
1874         * common.opt (exit_after_options, write_symbols, debug_info_level,
1875         use_gnu_debug_info_extensions): New Variable entries.
1876         (fprofile-dir=): Use Var.
1877         * flag-types.h (enum debug_info_level): Rename to enum
1878         debug_info_levels.
1879         * flags.h (write_symbols, debug_info_level,
1880         use_gnu_debug_info_extensions): Remove declarations.
1881         * opts.c (exit_after_options, write_symbols, debug_info_level): Remove.
1882         (set_struct_debug_option): Make static variables const.
1883         (use_gnu_debug_info_extensions): Remove.
1884         (set_debug_level, print_filtered_help, print_specific_help,
1885         fast_math_flags_set_p): Take gcc_options parameters and use them
1886         in place of global variables.
1887         (print_filtered_help): Make new_help non-static.
1888         (print_specific_help): Update call to print_filtered_help.
1889         (common_handle_option): Update calls to print_specific_help.  Use
1890         gcc_options structure for more settings.  Make --help table
1891         const.  Don't handle OPT_fprofile_dir_ here.  Update calls to
1892         set_debug_level.
1893         * toplev.c (profile_data_prefix): Remove.
1894         * toplev.h (profile_data_prefix, exit_after_options): Remove
1895         declarations.
1896         (fast_math_flags_set_p): Update prototype.
1897         * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
1898         Update call to fast_math_flags_set_p.
1899
1900 2010-11-22  Richard Henderson  <rth@redhat.com>
1901
1902         PR target/46434
1903         * config/crx/crx.c (crx_addr_reg): Rename from crx_addr_reg_p;
1904         return the address register extracted.
1905         (crx_decompose_address): Update the extracted address register.
1906
1907 2010-11-22  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1908
1909         PR driver/43335
1910         * gcc.c (main): Don't crash when lto-wrapper program is not found.
1911
1912 2010-11-22  Joern Rennecke  <amylaar@spamcop.net>
1913
1914         PR target/46608
1915         * config/picochip/picochip.c (picochip_secondary_reload): Make static.
1916         * config/picochip/picochip-protos.h: Don't include "target.h" .
1917         (picochip_secondary_reload): Don't declare.
1918
1919         PR target/46613
1920         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Declare.
1921         * config/m32c/m32c.c (m32c_conditional_register_usage): No longer
1922         static.
1923
1924 2010-11-22  H.J. Lu  <hongjiu.lu@intel.com>
1925
1926         PR bootstrap/46609
1927         * gengtype.c (header_dot_h_frul): Check ENABLE_CHECKING.
1928         (source_dot_c_frul): Likewise.
1929
1930 2010-11-22  Basile Starynkevitch  <basile@starynkevitch.net>
1931
1932         * gimple-pretty-print.c (dump_bb_header): Add check for cfun.
1933
1934 2010-11-22  Paolo Bonzini  <bonzini@gnu.org>
1935
1936         PR bootstrap/44970
1937         * Makefile.in (fwprop.o) Add sparseset.h.
1938         * fwprop.c: Include sparseset.h
1939         (struct find_occurrence_data, find_occurrence_callback,
1940         find_occurrence): Remove.
1941         (active_defs, active_defs_check, register_active_defs,
1942         update_df_init, update_uses): New.
1943         (update_df): Rewrite.
1944         (try_fwprop_subst, forward_propagate_asm): Add calls to
1945         update_df_init and update_df.
1946         (fwprop_init): Allocate active_defs and active_defs_check.
1947         (fwprop_done): Free them.
1948         (fwprop, fwprop_addr): Adjust comments.
1949         * df.h (df_uses_create): Declare.
1950         * df-scan.c (df_install_ref_incremental): Break out of df_ref_create.
1951         (df_ref_create): Return result of df_ref_create_structure directly.
1952         (df_ref_create_structure): Call df_install_ref_incremental when
1953         no collection_rec is passed.
1954         (df_ref_record): Do not create multiword hard reg info when no
1955         collection_rec is passed.
1956         (df_uses_create): New.
1957
1958 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
1959
1960         PR middle-end/43057
1961         * fold-const.c (pedantic_non_lvalue_loc): Unshare x before
1962         setting location.
1963
1964 2010-11-22  Richard Guenther  <rguenther@suse.de>
1965
1966         * gimple-fold.c (maybe_fold_reference): When canonicalizing
1967         MEM_REFs, preserve volatileness.
1968         * cgraphbuild.c (mark_address): Properly check for FUNCTION_DECL
1969         addresses.
1970
1971 2010-11-22  Richard Guenther  <rguenther@suse.de>
1972
1973         * tree-ssa-ccp.c (get_base_constructor): Remove superfluous breaks.
1974
1975 2010-11-22  Alexander Monakov  <amonakov@ispras.ru>
1976
1977         PR rtl-optimization/45652
1978         * alias.c (get_reg_base_value): New.
1979         * rtl.h (get_reg_base_value): Add prototype.
1980         * sel-sched.c (init_regs_for_mode): Use it.  Don't use registers with
1981         non-null REG_BASE_VALUE for renaming.
1982
1983 2010-11-22  Jeremie Salvucci  <jeremie.salvucci@free.fr>
1984             Basile Starynkevitch  <basile@starynkevitch.net>
1985
1986         * gengtype.c: Include xregex.h and obstack.h
1987         Added comments about role of get_output_file_with_visibility and
1988         our regexpr machinery.
1989         (frul_actionrout_t, struct file_rule_st): New.
1990         (hader_dot_h_frul, source_dot_c_frul): New functions.
1991         (NULL_REGEX,  NULL_FRULACT): New.
1992         (files_rules): New.
1993         (matching_file_name_substitute): New function.
1994         (get_output_file_with_visibility): Updated comments and rewritten
1995         to use the new files_rules machinery.
1996
1997         * Makefile.in (XREGEX_H): Added variable.
1998         (build/gengtype.o): Added dependencies for xregex.h and obstack.h
1999
2000 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
2001
2002         * system.h (FUNCTION_ARG_BOUNDARY): Really poison.
2003
2004 2010-11-21  Nathan Froyd  <froydnj@codesourcery.com>
2005
2006         * target.def (conditional_register_usage): Define.
2007         * reginfo.c (init_reg_sets_1): Call
2008         targetm.conditional_register_usage.
2009         * system.h (CONDITIONAL_REGISTER_USAGE): Poison.
2010         * doc/tm.texi.in (CONDITIONAL_REGISTER_USAGE): Adjust language
2011         for making it a hook.
2012         * doc/tm.texi: Regenerate.
2013         * config/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2014         * config/alpha/alpha.c (alpha_conditional_register_usage): ...here.
2015         New function.
2016         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2017         * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2018         * config/arc/arc.c (arc_conditional_register_usage): ...here.
2019         New function.
2020         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2021         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2022         * config/arm/arm.c (arm_conditional_register_usage): ...here.
2023         New function.
2024         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2025         * config/bfin/bfin.h (CONDITIONAL_REGISTER_USAGE): Delete.
2026         * config/bfin/bfin-protos.h (conditional_register_usage): Delete.
2027         * config/bfin/bfin.c (conditional_register_usage): Move code into...
2028         (bfin_conditional_register_usage): ...here.  New function.
2029         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2030         * config/cris/cris.h (CONDITIONAL_REGISTER_USAGE): Delete.
2031         * config/cris/cris-protos.h (cris_conditional_register_usage): Delete.
2032         * config/cris/cris.c (cris_conditional_register_usage): Make static.
2033         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2034         * config/fr30/fr30.h (FIXED_REGISTERS): Adjust comment.
2035         * config/frv/frv.h (CONDITIONAL_REGISTER_USAGE): Delete.
2036         * config/frv/frv-protos.h (frv_conditional_register_usage): Delete.
2037         * config/frv/frv.c (frv_conditional_register_usage): Make static.
2038         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2039         * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2040         * config/h8300/h8300.c (h8300_conditional_register_usage): ...here.
2041         New function.
2042         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2043         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Delete.
2044         * config/i386/i386-protos.h (ix86_conditional_register_usage): Delete.
2045         * config/i386/i386.c (ix86_conditional_register_usage): Make static.
2046         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2047         * config/m32c/m32c.h (CONDITIONAL_REGISTER_USAGE): Delete.
2048         * config/m32c/m32c-protos.h (m32c_conditional_register_usage): Delete.
2049         * config/m32c/m32c.c (m32c_conditional_register_usage): Make static.
2050         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2051         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2052         * config/m32r/m32r.c (m32r_conditional_register_usage): ...here.
2053         New function.
2054         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2055         * config/m68hc11/m68hc11.h (CONDITIONAL_REGISTER_USAGE): Delete.
2056         * config/m68hc11/m68hc11-protos.h (m68hc11_conditional_register_usage):
2057         Delete.
2058         * config/m68hc11/m68hc11.c (m68hc11_conditional_register_usage): Make
2059         static.
2060         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2061         * config/mep/mep.h (CONDITIONAL_REGISTER_USAGE): Delete.
2062         * config/mep/mep-protos.h (mep_conditional_register_usage): Delete.
2063         * config/mep/mep.c (mep_conditional_register_usage): Make static.
2064         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2065         * config/mips/mips.h (CONDITIONAL_REGISTER_USAGE): Delete.
2066         * config/mips/mips-protos.h (mips_conditional_register_usage): Delete.
2067         * config/mips/mips.c (mips_conditional_register_usage): Make static.
2068         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2069         * config/mmix/mmix.h (CONDITIONAL_REGISTER_USAGE): Delete.
2070         * config/mmix/mmix-protos.h (mmix_conditional_register_usage): Delete.
2071         * config/mmix/mmix.c (mmix_conditional_register_usage): Make static.
2072         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2073         * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2074         * config/mn10300/mn10300.c (mn10300_conditional_register_usage):
2075         ...here.  New function.
2076         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2077         * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2078         * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): ...with this...
2079         * config/pa/pa.c (pa_conditional_register_usage): ...here.
2080         New function.
2081         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2082         * config/pdp11/pdp11.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2083         * config/pdp11/pdp11.c (pdp11_conditional_register_usage): ...here.
2084         New function.
2085         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2086         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Delete.
2087         * config/rs6000/rs6000-protos.h (rs6000_conditional_register_usage):
2088         Delete.
2089         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
2090         static.
2091         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2092         * config/rx/rx.h (CONDITIONAL_REGISTER_USAGE): Delete.
2093         * config/rx/rx-protos.h (rx_conditional_register_usage): Delete.
2094         * config/rx/rx.c (rx_conditional_register_usage): Make static.
2095         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2096         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Delete.
2097         * config/s390/s390-protos.h (s390_conditional_register_usage): Delete.
2098         * config/s390/s390.c (s390_conditional_register_usage): Make static.
2099         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2100         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2101         * config/score/score.c (score_conditional_register_usage): ...here.
2102         New function.
2103         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2104         * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2105         * config/sh/sh.c (sh_conditional_register_usage): ...here.
2106         New function.
2107         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2108         * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2109         * config/sparc/sparc.c (sparc_conditional_register_usage): ...here.
2110         New function.
2111         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2112         * config/spu/spu.h (CONDITIONAL_REGISTER_USAGE): Delete.
2113         * config/spu/spu-protos.h (spu_conditional_register_usage): Delete.
2114         * config/spu/spu.c (spu_conditional_register_usage): Make static.
2115         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2116         * config/v850/v850.h (CONDITIONAL_REGISTER_USAGE): Move logic...
2117         * config/v850/v850.c (v850_conditional_register_usage): ...here.
2118         New function.
2119         (TARGET_CONDITIONAL_REGISTER_USAGE): Define.
2120
2121 2010-11-21  Jan Hubicka  <jh@suse.cz>
2122             Dominique d'Humieres <dominiq@lps.ens.ft>
2123
2124         PR target/46510
2125         * tree-emutls.c (get_emutls_init_templ_addr, new_emutls_decl): Do not
2126         finalize external decls.
2127
2128 2010-11-21  Joseph Myers  <joseph@codesourcery.com>
2129
2130         * system.h (strerror): Poison.
2131
2132 2010-11-21  Richard Henderson  <rth@redhat.com>
2133
2134         * config/ia64/ia64.c (ia64_expand_builtin): Use the correct mode
2135         for infq/huge_valq.
2136
2137 2010-11-21  Richard Henderson  <rth@redhat.com>
2138
2139         PR rtl-optimization/46571
2140         * gcse.c (hash_scan_set): Use next_nonnote_nondebug_insn.
2141         (compute_hash_table_work): Use NONDEBUG_INSN_P.
2142
2143 2010-11-21  Paul Koning  <ni1d@arrl.net>
2144
2145         * config/mips/pdp11.md (negsi2): Fix wrong code.
2146
2147 2010-11-21  Paul Koning  <ni1d@arrl.net>
2148
2149         * config/mips/pdp11.c (pdp11_legitimate_address_p): New function.
2150         * config/mips/pdp11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
2151
2152 2010-11-21  Eric Botcazou  <ebotcazou@adacore.com>
2153
2154         * config/mips/mips.c (machine_function): Rename load_label_length to
2155         load_label_num_insns.
2156         (mips_load_label_length): Rename to...
2157         (mips_load_label_num_insns): ...this.  Adjust to first renaming.
2158         (mips_adjust_insn_length): Adjust to second renaming.  Fix thinko.
2159
2160 2010-11-21  Uros Bizjak  <ubizjak@gmail.com>
2161
2162         PR target/46533
2163         * config/alpha/predicates.md (direct_call_operand): Return false
2164         for !TARGET_SMALL_TEXT targets.
2165
2166 2010-11-20  Joseph Myers  <joseph@codesourcery.com>
2167
2168         * doc/tm.texi.in (HANDLE_SYSV_PRAGMA,
2169         HANDLE_PRAGMA_PACK_PUSH_POP): Remove.
2170         (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Don't refer to HANDLE_SYSV_PRAGMA.
2171         * doc/tm.texi: Regenerate.
2172         * system.h (HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_SYSV_PRAGMA,
2173         HANDLE_PRAGMA_WEAK): Poison.
2174         * config/alpha/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
2175         * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2176         * config/alpha/osf5.h (HANDLE_SYSV_PRAGMA): Don't define.
2177         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Don't define.
2178         * config/arm/arm.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2179         * config/arm/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2180         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2181         * config/darwin.h (HANDLE_SYSV_PRAGMA): Don't define.
2182         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2183         * config/elfos.h (HANDLE_SYSV_PRAGMA): Don't define.
2184         * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2185         * config/frv/frv.h (HANDLE_SYSV_PRAGMA): Don't define.
2186         * config/i386/cygming.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2187         * config/i386/djgpp.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2188         * config/i386/i386-interix.h (HANDLE_SYSV_PRAGMA): Don't define.
2189         (HANDLE_PRAGMA_WEAK): Don't undefine.
2190         * config/i386/netware.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2191         * config/i386/vxworks.h (HANDLE_SYSV_PRAGMA): Don't define.
2192         * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2193         * config/ia64/ia64.h (HANDLE_SYSV_PRAGMA): Don't define.
2194         * config/interix.h (HANDLE_SYSV_PRAGMA): Don't define.
2195         (HANDLE_PRAGMA_WEAK): Don't undefine.
2196         * config/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2197         * config/m32r/linux.h (HANDLE_SYSV_PRAGMA): Don't define.
2198         (HANDLE_PRAGMA_PACK): Don't undefine.
2199         * config/m32r/m32r.h (HANDLE_SYSV_PRAGMA): Don't undefine.
2200         * config/mep/mep.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2201         * config/mips/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2202         * config/mips/sde.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2203         * config/mmix/mmix.h (HANDLE_SYSV_PRAGMA): Don't define.
2204         * config/netbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2205         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2206         * config/openbsd.h (HANDLE_SYSV_PRAGMA): Don't define.
2207         * config/pa/pa-hpux.h (HANDLE_SYSV_PRAGMA): Don't define.
2208         (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2209         * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Don't define.
2210         * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2211         * config/rx/rx.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2212         * config/score/elf.h (HANDLE_SYSV_PRAGMA): Don't define.
2213         * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2214         * config/stormy16/stormy16.h (HANDLE_SYSV_PRAGMA): Don't define.
2215         * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define.
2216
2217 2010-11-20  Eric Botcazou  <ebotcazou@adacore.com>
2218
2219         PR target/31100
2220         * config/sparc/sparc.h (ASM_OUTPUT_ALIGN_WITH_NOP): Move to...
2221         * config/sparc/sol2.h (ASM_OUTPUT_ALIGN_WITH_NOP): ...here.
2222         * config/sparc/sol2-gas.h (ASM_OUTPUT_ALIGN_WITH_NOP): Undefine.
2223
2224 2010-11-20  Jan Hubicka  <jh@suse.cz>
2225
2226         * cgraph.c (ld_plugin_symbol_resolution_names): New.
2227         (dump_cgraph_node): Dump resolution.
2228         * cgraph.h (ld_plugin_symbol_resolution_names): Declare.
2229         (cgraph_comdat_can_be_unshared_p): Dclare.
2230         * lto-streamer-out.c (produce_symtab): Use
2231         cgraph_comdat_can_be_unshared_p.
2232         * ipa.c (cgraph_address_taken_from_non_vtable_p): New function.
2233         (cgraph_comdat_can_be_unshared_p): New function based on logic
2234         in cgraph_externally_visible_p.
2235         (cgraph_externally_visible_p): Use it.
2236         (varpool_externally_visible_p): Virtual tables can be unshared.
2237         * varpool.c (dump_varpool_node): Dump resolution.
2238
2239 2010-11-20  Jan Hubicka  <jh@suse.cz>
2240
2241         * stmt.c (lshift_cheap_p): Support properly optimize_insn_for_speed_p.
2242
2243 2010-11-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2244
2245         PR other/46202
2246         * Makefile.in (install_sh, INSTALL_STRIP_PROGRAM): New variables.
2247         (AR_FOR_TARGET, RANLIB_FOR_TARGET, STRIP_FOR_TARGET): Fix
2248         shell quoting.
2249         (STRIP_FOR_TARGET): Look for in-tree strip under name strip-new.
2250         (install-strip): New target.
2251         (STRIPPROG): New variable, exported if STRIP is set.
2252         * doc/install.texi (Final install): Minor markup and code style
2253         fixes.  Document install-strip target.
2254
2255 2010-11-20  Paul Koning  <ni1d@arrl.net>
2256
2257         * config/pdp11/pdp11-protos.h (pdp11_initial_elimination_offset,
2258         pdp11_regno_reg_class): New functions.
2259         * config/pdp11/pdp11.md (define_constants): Add register numbers.
2260         * config/pdp11/pdp11.c (pdp11_regno_reg_class,
2261         pdp11_sp_frame_offset, pdp11_initial_elimination_offset): New
2262         functions.
2263         * config/pdp11/pdp11.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Add
2264         frame pointer and argument pointer pseudo-registers.
2265         (ARG_POINTER_REGNUM): Define.
2266         (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add frame pointer and
2267         argument pointer.
2268         (FIRST_PARM_OFFSET): Update for argument pointer.
2269         (INITIAL_FRAME_POINTER_OFFSET): Delete.
2270         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): New macros.
2271         (REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_INDEX_P, REGISTER_NAMES): Add
2272         frame pointer and argument pointer.
2273
2274 2010-11-20  Jakub Jelinek  <jakub@redhat.com>
2275
2276         PR debug/46561
2277         * tree-parloops.c (try_create_redunction_list): Ignore debug stmts
2278         when looking for immediate uses.
2279
2280         PR tree-optimization/45830
2281         * stmt.c (expand_switch_using_bit_tests_p): New function.
2282         (expand_case): Use it.
2283         * tree.h (expand_switch_using_bit_tests_p): New prototype.
2284         * tree-switch-conversion.c (struct switch_conv_info): Add
2285         bit_test_uniq, bit_test_count and bit_test_bb fields.
2286         (check_range): Fix a comment.
2287         (check_process_case): Compute bit_test_uniq and bit_test_count.
2288         (create_temp_arrays): Use XCNEWVEC, merge 3 arrays into one
2289         allocation.
2290         (free_temp_arrays): Use XDELETEVEC, adjust for the 3 arrays merging.
2291         (constructor_contains_same_values_p): Use FOR_EACH_VEC_ELT.
2292         (array_value_type): New function.
2293         (build_one_array): Use it, if it returned different type,
2294         fold_convert all constructor fields and convert back to the
2295         wider type in the generated code.
2296         (process_switch): Initialize bit_test_uniq, bit_test_count and
2297         bit_test_bb fields.  Don't optimize if expand_switch_using_bit_tests_p
2298         returned true.
2299
2300 2010-11-19  Michael Matz  <matz@suse.de>
2301
2302         PR tree-optimization/46077
2303         * tree-chrec.c (eq_evolutions_p): Accept some expressions.
2304
2305 2010-11-19  Anatoly Sokolov  <aesok@post.ru>
2306
2307         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2308         * config/mn10300/mn10300.c (mn10300_asm_output_addr_const_extra): New
2309         function.
2310         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2311
2312 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
2313
2314         * mode-switching.c (optimize_mode_switching): Use
2315         FOR_BB_INSNS instead of open-coded loop.
2316         * cfgrtl.c (redirect_branch_edge): Ditto.
2317
2318 2010-11-19  Joern Rennecke  <amylaar@spamcop.net>
2319
2320         PR target/46436
2321         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Split shift count
2322         to accomodate 32 bit HOST_WIDE_INT.
2323         (m68hc11_emit_logical): Remove unused variable insn.
2324         (m68hc11_check_z_replacement) <CLOBBER>: Set this_insn_uses_ix and
2325         this_insn_uses_iy before use.
2326
2327         PR target/46434
2328         * config/crx/crx.c (crx_expand_epilogue): Remove unused variable.
2329
2330 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2331
2332         PR c/46547
2333         * c-tree.h (in_late_binary_op): Move to c-family/c-common.h.
2334         * c-typeck.c (in_late_binary_op): Move to c-family/c-common.c.
2335
2336 2010-11-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
2337
2338         * doc/extend.texi (Function attributes): Document PowerPC target
2339         attributes that are supported.
2340         (Pragmas): Document that PowerPC now supports target pragmas.
2341
2342         * doc/options.texi (TargetVariable): Document TargetVariable,
2343         HeaderInclude, and SourceInclude.
2344
2345         * doc/invoke.texi (-mfused-madd): Document that -mfused-madd is
2346         mapped to -ffp-contract=fast, and -mno-fused-madd is mapped to
2347         -ffp-contract=off.
2348
2349         * optc-gen.awk: Add support for TargetVariable, HeaderInclude, and
2350         SourceInclude directives.  Fix a cut+paste error with target save
2351         enum variables.  Sort enums in the structures after ints and
2352         before shorts.
2353         * opth-gen.awk: Ditto.
2354
2355         * configure.ac: Add support for HeaderInclude and SourceInclude option
2356         directives to add the appropriate files to the dependency lists.
2357         * configure: Regenerate.
2358         * Makefile.in (OPTIONS_H_EXTRA): New variable for HeaderInclude.
2359         (OPTIONS_C_EXTRA): New variable for SourceInclude.
2360         (OPTIONS_H): Add $(OPTIONS_H_EXTRA).
2361         (options.o): Add $(OPTIONS_C_EXTRA) dependency.
2362         (gcc-options.o): Ditto.
2363         * opt-include.awk: New awk script to handle HeaderInclude and
2364         TargetInclude.
2365
2366         * config/rs6000/aix.opt (-mxl-compat): Mark option as Save so it
2367         gets saved in the target options.
2368         * config/rs6000/linux64.opt (-mprofile-kernel): Ditto.
2369         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
2370         (-mprototype): Ditto.
2371         (-mbit-word): ditto.
2372         (-mregnames): Ditto.
2373         (-msecure-plt): Ditto.
2374         (-mbss-plt): Ditto.
2375         * config/rs6000/rs6000.opt (-mpowerpc-gpopt): Ditto.
2376         (-mpowerpc-gfxopt): Ditto.
2377         (-mmfcrf): Ditto.
2378         (-mpopcntb): Ditto.
2379         (-mfprnd): Ditto.
2380         (-mcmpb): Ditto.
2381         (-mmmfpgpr): Ditto.
2382         (-maltivec): Ditto.
2383         (-mhard-dfp): Ditto.
2384         (-mmulhw): Ditto.
2385         (-mdlmzb): Ditto.
2386         (-mmultiple): Ditto.
2387         (-mstring): Ditto.
2388         (-mpopcntd): Ditto.
2389         (-mfriz): Ditto.
2390         (-mvsx): Ditto.
2391         (-mno-update): Ditto.
2392         (-mavoid-indexed-addresses): Ditto.
2393         (-mtls-markers): Ditto.
2394         (-msched-epilog): Ditto.
2395         (-msched-prolog): Ditto.
2396         (-maix-struct-return): Ditto.
2397         (-msvr4-struct-return): Ditto.
2398         (-mxl-compat): Ditto.
2399         (-mrecip-precision): Ditto.
2400         (-mfp-in-toc): Ditto.
2401         (-msum-in-toc): Ditto.
2402         (-mvrsave): Ditto.
2403         (-mblock-move-inline-limit=): Ditto.
2404         (-misel): Ditto.
2405         (-mpaired): Ditto.
2406         (-mlongcall): Ditto.
2407         (-mgen-cell-microcode): Ditto.
2408         (-mwarn-cell-microcode): Ditto.
2409         (-mwarn-altivec-long): Ditto.
2410         (-mprioritize-restricted-insns=): Ditto.
2411         (-msingle-float): Ditto.
2412         (-mdouble-float): Ditto.
2413         (-msimple-fpu): Ditto.
2414         (-mxilinx-fpu): Ditto.
2415         * config/rs6000/aix64.opt (-mpe): Ditto.
2416
2417         * config/rs6000/rs6000.opt (HeaderInclude): Include rs6000-opts.h.
2418         (rs6000_cpu): Move variable to be a target variable.  Rename
2419         cmodel to rs6000_current_cmodel because of macro conflict.  Merge
2420         -mdebug=<xxx> variables into a single int.
2421         (rs6000_always_hint): Ditto.
2422         (rs6000_sched_groups): Ditto.
2423         (rs6000_align_branch_targets): Ditto.
2424         (rs6000_sched_costly_dep): Ditto.
2425         (rs6000_sched_insert_nops): Ditto.
2426         (rs6000_long_double_type_size): Ditto.
2427         (rs6000_ieeequad): Ditto.
2428         (rs6000_altivec_abi): Ditto.
2429         (rs6000_spe): Ditto.
2430         (rs6000_spe_abi): Ditto.
2431         (rs6000_float_gprs): Ditto.
2432         (rs6000_darwin64_abi): Ditto.
2433         (can_override_loop_align): Ditto.
2434         (rs6000_sdata): Ditto.
2435         (rs6000_tls_size): Ditto.
2436         (rs6000_current_abi): Ditto.
2437         (rs6000_traceback): Ditto.
2438         (rs6000_alignment_flags): Ditto.
2439         (rs6000_current_cmodel): Ditto.
2440         (rs6000_recip_control): Ditto.
2441         (rs6000_cpu_index): Ditto.
2442         (rs6000_tune_index): Ditto.
2443         (rs6000_debug): Ditto.
2444         (rs6000_target_flags_explict): Ditto.
2445
2446         * config/rs6000/rs6000-protos.h (rs6000_pragma_target_parse): Add
2447         declaration.
2448
2449         * config/rs6000/linux64.h (rs6000_current_cmode): Rename from
2450         cmodel.  Change all uses.
2451
2452         * config/rs6000/rs6000.c (rs6000_always_hint): Move to
2453         rs6000.opt.  Combine -mdebug=<xxx> variables into a single int.
2454         Rename cmodel to rs6000_current_cmodel.
2455         (rs6000_sched_groups): Ditto.
2456         (rs6000_align_branch_targets): Ditto.
2457         (rs6000_sched_costly_dep): Ditto.
2458         (rs6000_sched_insert_nops): Ditto.
2459         (rs6000_long_double_type_size): Ditto.
2460         (rs6000_ieeequad): Ditto.
2461         (rs6000_altivec_abi): Ditto.
2462         (rs6000_spe): Ditto.
2463         (rs6000_spe_abi): Ditto.
2464         (rs6000_float_gprs): Ditto.
2465         (rs6000_darwin64_abi): Ditto.
2466         (can_override_loop_align): Ditto.
2467         (rs6000_sdata): Ditto.
2468         (rs6000_tls_size): Ditto.
2469         (rs6000_current_abi): Ditto.
2470         (rs6000_traceback): Ditto.
2471         (rs6000_alignment_flags): Ditto.
2472         (rs6000_current_cmodel): Ditto.
2473         (rs6000_recip_control): Ditto.
2474         (rs6000_cpu_index): Ditto.
2475         (rs6000_tune_index): Ditto.
2476         (rs6000_debug): Ditto.
2477         (rs6000_target_flags_explict): Ditto.
2478         (rs6000_sched_insert_nops_str): Make static.
2479         (rs6000_sched_costly_dep_str): Ditto.
2480         (rs6000_recip_name): Ditto.
2481         (rs6000_abi_name): Ditto.
2482         (rs6000_sdata_name): Ditto.
2483         (enum rs6000_traceback_name): Move to rs6000-opts.h.
2484         (rs6000_parse_tls_size_option): Delete.
2485         (rs6000_valid_attribute_p): New function for target attributes and
2486         pragmas.
2487         (rs6000_function_specific_save): Ditto.
2488         (rs6000_function_specific_restore): Ditto.
2489         (rs6000_function_specific_print): Ditto.
2490         (rs6000_can_inline_p): Ditto.
2491         (rs6000_set_current_function): Ditto.
2492         (rs6000_inner_target_options): Ditto.
2493         (rs6000_debug_target_options): Ditto.
2494         (rs6000_pragma_target_parse): Ditto.
2495         (TARGET_OPTION_VALID_ATTRIBUTE_P): Define target hooks for target
2496         attributes and pragmas.
2497         (TARGET_OPTION_SAVE): Ditto.
2498         (TARGET_OPTION_RESTORE): Ditto.
2499         (TARGET_OPTION_PRINT): Ditto.
2500         (TARGET_CAN_INLINE_P): Ditto.
2501         (TARGET_SET_CURRENT_FUNCTION): Ditto.
2502         (POWER_MASKS): Move to file level scope from the
2503         rs6000_option_override_internal function.
2504         (POWERPC_MASKS): Ditto.
2505         (ISA_*_MASKS): Ditto.
2506         (struct rs6000_ptt): Ditto.
2507         (processor_target_table): Ditto.
2508         (rs6000_cpu_name_lookup): Map cpu name to an index in
2509         processor_target_table.
2510         (rs6000_debug_reg_global): Print more information on processor
2511         options for -mdebug=reg.
2512         (rs6000_init_hard_regno_mode_ok): Add support for target
2513         attributes and pragmas.  Merge all -mdebug=<xxx> fields into one.
2514         Allow -mdebug=val1,val2.  Rename cmodel variable.
2515         (rs6000_option_override_internal): Ditto.
2516         (rs6000_option_override): Ditto.
2517         (rs6000_handle_option): Ditto.
2518         (rs6000_conditional_register_usage): Add debug trace message.
2519         (struct rs6000_opt_mask): New for target attribute/pragma support.
2520         (rs6000_opt_masks): Ditto.
2521         (struct rs6000_opt_var): Ditto.
2522         (rs6000_opt_vars): Ditto.
2523         (rs6000_previous_function): Ditto.
2524
2525         * config/rs6000/rs6000.h (top level): Include rs6000-opts.h if it
2526         wasn't already included.
2527         (enum rs6000_cmodel): Move to rs6000-opts.h or rs6000.opt.
2528         (enum processor_type): Ditto.
2529         (rs6000_cpu): Ditto.
2530         (enum fpu_type_t): Ditto.
2531         (fpu_type): Ditto.
2532         (enum rs6000_dependence_cost): Ditto.
2533         (enum rs6000_nop_insertion): Ditto.
2534         (enum group_termination): Ditto.
2535         (rs6000_long_double_type_size): Ditto.
2536         (rs6000_ieeequad): Ditto.
2537         (rs6000_altivec_abi): Ditto.
2538         (rs6000_spe_abi): Ditto.
2539         (rs6000_spe): Ditto.
2540         (rs6000_float_gprs): Ditto.
2541         (rs6000_alignment_flags): Ditto.
2542         (rs6000_sched_insert_nops): Ditto.
2543         (enum rs6000_vector): Ditto.
2544         (enum rs6000_abi): Ditto.
2545         (rs6000_current_opt): Ditto.
2546         (rs6000_debug_*): Delete.
2547         (MASK_DEBUG*): Combine -mdebug=xxxx into one int.
2548         (TARGET_DEBUG*): Ditto.
2549
2550         * config/rs6000/rs6000-opts.h: New header file to define the enums
2551         that are used in target variables that are now defined in rs6000.opt.
2552
2553         * config/rs6000/sysv4.h (enum rs6000_sdata_type): Move to
2554         rs6000-opts.h.
2555         (rs6000_sdata): Ditto.
2556         (rs6000_abi_name): Delete.
2557         (rs6000_sdata_name): Ditto.
2558         (rs6000_tls_size_string): Ditto.
2559
2560 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2561
2562         * common.opt (debug_struct_ordinary, debug_struct_generic): New
2563         Variable entries.
2564         * dwarf2out.c (matches_main_base, dump_struct_debug, DUMP_GSTRUCT,
2565         should_emit_struct_debug): Move from opts.c.
2566         * flag-types.h (enum debug_struct_file): Move from opts.c.
2567         * flags.h (should_emit_struct_debug): Remove.
2568         (base_of_path): Declare.
2569         (set_struct_debug_option): Add gcc_options parameter.
2570         * optc-gen.awk, opth-gen.awk: Handle array variables.
2571         * opts.c (enum debug_struct_file, debug_struct_ordinary,
2572         debug_struct_generic): Remove.
2573         (set_struct_debug_option): Add gcc_options parameter.
2574         (base_of_path): Remove static.
2575         (main_input_basename, main_input_baselength, matches_main_base,
2576         dump_struct_debug, DUMP_GSTRUCT, should_emit_struct_debug):
2577         Remove.
2578         * toplev.c (main_input_basename, main_input_baselength): Define
2579         here.
2580         * toplev.h (main_input_basename, main_input_baselength): Declare
2581         here.
2582
2583 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2584
2585         * common.opt (flag_instrument_functions_exclude_functions,
2586         flag_instrument_functions_exclude_files): New Variable definitions.
2587         * flags.h (flag_instrument_functions_exclude_p): Don't declare.
2588         * gimplify.c (char_p): Declare type and vectors.
2589         (flag_instrument_functions_exclude_p): Moved from opts.c.  Make static.
2590         * opts.c (flag_instrument_functions_exclude_functions,
2591         flag_instrument_functions_exclude_files): Remove.
2592         (add_comma_separated_to_vector): Take void **.
2593         (flag_instrument_functions_exclude_p): Move to gimplify.c.
2594         (common_handle_option): Use options structure for
2595         -finstrument-functions-exclude- options.
2596
2597 2010-11-19  Joseph Myers  <joseph@codesourcery.com>
2598
2599         * doc/options.texi (Var): Document effects of Defer.
2600         (Defer): Document.
2601         * opt-functions.awk (var_type, var_set): Handle deferred options.
2602         * opts-common.c (set_option): Handle CLVC_DEFER.
2603         * common.opt (fcall-saved-, fcall-used-, fdump-, ffixed-,
2604         fplugin=, fplugin-arg-, fstack-limit, fstack-limit-register=,
2605         fstack-limit-symbol=): Mark as deferred.
2606         * opts.c: Don't include rtl.h, ggc.h, output.h, tree-pass.h or
2607         plugin.h.
2608         (print_filtered_help): Don't report state of CLVC_DEFER options.
2609         (common_handle_option): Move code for OPT_fcall_used_,
2610         OPT_fcall_saved_, OPT_fdump_, OPT_ffixed_, OPT_fplugin_,
2611         OPT_fplugin_arg_, OPT_fstack_limit, OPT_fstack_limit_register_ and
2612         OPT_fstack_limit_symbol_ to opts-global.c.
2613         (option_enabled, get_option_state): Handle CLVC_DEFER.
2614         * opts.h: Include vec.h.
2615         (enum cl_var_type): Add CLVC_DEFER.
2616         (cl_deferred_option): Define type and vectors.
2617         (handle_common_deferred_options): Declare.
2618         * opts-global.c: New.
2619         * toplev.c (toplev_main): Call handle_common_deferred_options
2620         * Makefile.in (OPTS_H): Include $(VEC_H).
2621         (OBJS-common): Include opts-global.o.
2622         (opts.o): Update dependencies.
2623         (opts-global.o): Add dependencies.
2624
2625 2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>
2626
2627         * c-parser.c (c_parser_objc_protocol_definition): Pass attributes
2628         to objc_declare_protocols.
2629
2630 2010-11-19  Richard Guenther  <rguenther@suse.de>
2631
2632         PR lto/45789
2633         * lto-streamer-out.c (lto_output_ts_common_tree_pointers): For
2634         IDENTIFIERs do not stream TREE_TYPE.
2635         * lto-streamer-in.c (lto_input_ts_common_tree_pointers): Likewise.
2636
2637 2010-11-19  Christian Borntraeger  <borntraeger@de.ibm.com>
2638
2639         * config/s390/s390.c (s390_function_arg_integer): Handle NULLPTR_TYPE.
2640
2641 2010-11-19  Jakub Jelinek  <jakub@redhat.com>
2642
2643         PR target/45870
2644         * dwarf2out.c (const_ok_for_output_1): Don't complain about
2645         non-delegitimized TLS UNSPECs.
2646
2647 2010-11-18  Jack Howarth  <howarth@bromo.med.uc.edu>
2648             Ian Lance Taylor  <iant@google.com>
2649
2650         * config/darwin-c.c (darwin_additional_format_types): Export.
2651
2652 2010-11-18  Paul Koning  <ni1d@arrl.net>
2653
2654         * config/pdp11/pdp11.h (FIRST_PARM_OFFSET): Fix case of no frame
2655         pointer.
2656
2657 2010-11-18  Paul Koning  <ni1d@arrl.net>
2658
2659         * config/pdp11/pdp11.md (abshi2): Delete TARGET_ABSHI_BUILTIN.
2660         * config/pdp11/pdp11.c (TARGET_DEFAULT_TARGET_FLAGS): Ditto.
2661         * config/pdp11/pdp11.opt (-mabshi): Delete.
2662
2663 2010-11-19  Mingjie Xing  <mingjie.xing@gmail.com>
2664
2665         * resource.h (struct resources): Fix typo in the comment.
2666
2667 2010-11-19  Uros Bizjak  <ubizjak@gmail.com>
2668
2669         PR target/46546
2670         * config/i386/i386.c (ix86_reorg): Call compute_bb_for_insn.
2671
2672 2010-11-18  Richard Henderson  <rth@redhat.com>
2673
2674         PR middle-end/46515
2675         * function.c (maybe_copy_prologue_epilogue_insn): Rename from
2676         maybe_copy_epilogue_insn; handle prologue insns as well.
2677         * rtl.h, cfglayout.c: Update for rename.
2678         * recog.c (peep2_attempt): Copy prologue/epilogue data for
2679         RTX_FRAME_RELATED_P insns.
2680
2681 2010-11-18  Jakub Jelinek  <jakub@redhat.com>
2682
2683         PR middle-end/46534
2684         * builtins.c (fold_builtin_printf): Don't copy and modify string
2685         before build_string_literal, instead modify what
2686         build_string_literal returned.
2687
2688 2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>
2689
2690         PR c/33193
2691         * c-typeck.c (build_unary_op): Call build_real_imag_expr for
2692         REALPART_EXPR and IMAGPART_EXPR.
2693
2694 2010-11-18  Richard Guenther  <rguenther@suse.de>
2695
2696         PR tree-optimization/46172
2697         * tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
2698         function.
2699         (slpeel_tree_peel_loop_to_edge): Call it.
2700
2701 2010-11-18  Jeff Law  <law@redhat.com>
2702
2703         PR middle-end-optimization/46297
2704         * postreload.c (reload_combine_note_store): Deal with embedded
2705         side effects in MEM expressions.
2706
2707 2010-11-18  Richard Guenther  <rguenther@suse.de>
2708
2709         PR lto/45089
2710         * dwarf2out.c (add_AT_die_ref): Work around LTO losing types
2711         when checking is not enabled.
2712
2713 2010-11-18  Richard Guenther  <rguenther@suse.de>
2714
2715         PR lto/46525
2716         * gimple.c (gimple_register_type): Update TYPE_MAIN_VARIANT of
2717         type leaders.
2718         (gimple_register_canonical_type): Also cache the canoncial type
2719         for non type leaders.
2720
2721 2010-11-18  Richard Guenther  <rguenther@suse.de>
2722
2723         * lto-wrapper.c (run_gcc): Fix -flto=N parsing.
2724
2725 2010-11-18  Alexander Monakov  <amonakov@ispras.ru>
2726
2727         PR middle-end/46518
2728         * sel-sched-ir.c (init_expr): Use the correct type for
2729         target_available.
2730         * sel-sched.c (fill_vec_av_set): Use explicitly signed char type.
2731
2732 2010-11-17  Joakim Tjernlund  <Joakim.Tjernlund@transmode.se>
2733
2734         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Support -fpic
2735         as well as -mrelocatable at the same time.
2736
2737 2010-11-17  Quentin Neill  <quentin.neill.gnu@gmail.com>
2738
2739         PR target/46422
2740         * config/i386/bmiintrin.h (__lzcnt_u16, __lzcnt_u32, __lzcnt_u64):
2741         Call the clz builtin.
2742
2743 2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
2744             Steve Ellcey  <sje@cup.hp.com>
2745
2746         PR middle-end/31490
2747         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
2748         if section attribute used.
2749
2750 2010-11-17  Jan Hubicka  <jh@suse.cz>
2751
2752         * builtins.c (expand_builtin_mathfn_2, expand_builtin_mathfn): Do not
2753         expand errno setting variant when optimizing for size.
2754
2755 2010-11-17  Eric Botcazou  <ebotcazou@adacore.com>
2756
2757         * postreload.c (reload_combine): Call control_flow_insn_p only once.
2758         Reverse backward loop.  Fix formatting issues.
2759
2760 2010-11-17  Paolo Bonzini  <bonzini@gnu.org>
2761
2762         * c-parser.c (c_token_is_qualifier,
2763         c_parser_next_token_is_qualifier): New.
2764         (c_parser_declaration_or_fndef, c_parser_struct_declaration):
2765         Improve error message on specs->tagdef_seen_p.
2766         (c_parser_struct_or_union_specifier): Improve error recovery.
2767         (c_parser_declspecs): Move exit condition on C_ID_ID early.
2768         Reorganize exit condition for C_ID_TYPENAME/C_ID_CLASSNAME
2769         using c_parser_next_token_is_qualifier; extend it to cover
2770         a ctsk_tagdef typespec and !typespec_ok in general.
2771
2772 2010-11-17  Richard Guenther  <rguenther@suse.de>
2773
2774         * value-prof.c (gimple_divmod_fixed_value_transform): Update the stmt.
2775         (gimple_mod_pow2_value_transform): Likewise.
2776         (gimple_mod_subtract_transform): Likewise.
2777
2778 2010-11-17  Richard Guenther  <rguenther@suse.de>
2779
2780         PR lto/46504
2781         * gimple.c (gimple_register_canonical_type): Make sure to only
2782         make type leaders canonical types.
2783
2784 2010-11-17  Michael Matz  <matz@suse.de>
2785
2786         * timevar.def (TV_IPA_OPT, TV_EARLY_LOCAL, TV_OPTIMIZE,
2787         TV_POSTRELOAD, TV_REMOVE_UNUSED, TV_ADDRESS_TAKEN, TV_TODO,
2788         TV_VERIFY_LOOP_CLOSED, TV_VERIFY_RTL_SHARING,
2789         TV_REBUILD_FREQUENCIES, TV_REPAIR_LOOPS): New.
2790         * tree-into-ssa.c (rewrite_into_ssa): Don't push/pop timevar here ...
2791         (pass_build_ssa): ... but here.
2792         * cgraphbuild.c (pass_rebuild_cgraph): Use timevar.
2793         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Use timevar.
2794         * tree-emutls.c (pass_ipa_lower_emutls): Ditto.
2795         * df-core.c (pass_df_initialize_opt, pass_df_initialize_no_opt): Ditto.
2796         * predict.c (rebuild_frequencies): Ditto.
2797         * tree-vectorizer.c (pass_ipa_increase_alignment): Ditto.
2798         * emit-rtl.c (verify_rtl_sharing): Ditto.
2799         * tree-cfgcleanup.c (repair_loop_structures): Ditto.
2800         * tree-ssa-live.c (remove_unused_locals): Ditto.
2801         * cfglayout.c (pass_into_cfg_layout, pass_outof_cfg_layout): Ditto.
2802         * tree-ssa.c (pass_early_warn_uninitialized,
2803         execute_update_addresses_taken, pass_update_address_taken): Ditto.
2804         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
2805         pass_cleanup_cfg_post_optimizing, tree_rest_of_compilation): Ditto.
2806         * passes.c (pass_postreload, execute_todo): Ditto.
2807         * tree-ssanames.c (pass_release_ssa_names): Ditto.
2808
2809 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
2810
2811         * doc/invoke.texi (-dy): Remove.
2812         * langhooks-def.h (lhd_do_nothing_i): Don't declare.
2813         (LANG_HOOKS_PARSE_FILE): Define to lhd_do_nothing.
2814         * langhooks.c (lhd_do_nothing_i): Remove.
2815         * langhooks.h (lang_hooks.parse_file): Take no arguments.
2816         * toplev.c (set_yydebug): Remove.
2817         (compile_file): Update call to lang_hooks.parse_file.
2818         (decode_d_option): Don't handle -dy.
2819
2820 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
2821
2822         PR rtl-optimization/46440
2823         * combine.c (update_cfg_for_uncondjump): When changing
2824         an indirect jump into unconditional jump, remove BARRIERs
2825         from bb's footer.
2826
2827 2010-11-17  Joseph Myers  <joseph@codesourcery.com>
2828
2829         * opts.c (target_handle_option): Do not assert that loc ==
2830         UNKNOWN_LOCATION.
2831
2832 2010-11-17  Jakub Jelinek  <jakub@redhat.com>
2833             Richard Guenther  <rguenther@suse.de>
2834
2835         PR middle-end/45838
2836         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
2837         call_may_clobber_ref_p_1): Return true for __sync_* and some
2838         OpenMP builtins that act as threading barriers.
2839
2840 2010-11-17  Richard Guenther  <rguenther@suse.de>
2841
2842         PR tree-optimization/46498
2843         * tree-ssa-dce.c (perform_tree_ssa_dce): Compute dominator info.
2844
2845 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
2846
2847         * config/xtensa/xtensa.c (function_arg_boundary): Really rename to...
2848         (xtensa_function_arg_boundary): ...this.
2849         * config/picochip/pichochip.c (picochip_function_arg_boundary): Fix
2850         thinko in declaration.
2851         (picochip_function_arg, picochip_arg_partial_bytes): Pass proper
2852         number of parameters to picochip_function_arg_boundary.
2853         (picochip_arg_advance): Likewise.
2854
2855 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
2856
2857         PR target/46512
2858         * config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
2859         under check for type.
2860
2861 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2862
2863         * ifcvt.c (dead_or_predicable): Fix typo.
2864
2865 2010-11-16  Richard Henderson  <rth@redhat.com>
2866
2867         * config.gcc [s390*-*] (extra_options): Add fused-madd.opt.
2868         * config/s390/s390.opt (mfused-madd): Remove.
2869         * config/s390/s390.c (s390_rtx_costs): Handle FMA.
2870         (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_FUSED_MADD.
2871         * config/s390/s390.md (fma<DSF>4): Rename from *fmadd<DSF>; use FMA.
2872         (fms<DSF>4): Rename from *fmsub<DSF>; use FMA.
2873
2874 2010-11-16  Richard Henderson  <rth@redhat.com>
2875
2876         * config.gcc [powerpc*, rs6000*] (extra_options): Add fused-madd.opt.
2877         * config/rs6000/rs6000.opt (mfused-madd): Remove.
2878         * config/rs6000/altivec.md (altivec_vmaddfp): Remove.
2879         (*altivec_vmaddfp_1): Remove.
2880         (*altivec_fmav4sf4): Rename from altivec_vmaddfp_2; use FMA.
2881         (altivec_mulv4sf3): Expand to FMA directly.
2882         (*altivec_vnmsubfp): Rename from altivec_vnmsubfp.
2883         (*altivec_vnmsubfp_1, *altivec_vnmsubfp_2): Remove.
2884         * config/rs6000/paired.md (paired_madds0): Use FMA.
2885         (paired_madds1): Likewise.
2886         (*paired_madd): Rename from paired_madd; use FMA.
2887         (*paired_msub, *paired_nmadd, *paired_nmsub): Similarly.
2888         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Do not
2889         consider TARGET_FUSED_MADD wrt rs6000_recip_control.
2890         (bdesc_3arg): Update CODE_FOR_* for pattern renames.
2891         (rs6000_emit_madd): Use fma_optab.
2892         (rs6000_emit_msub): Use fms_optab.
2893         (rs6000_emit_nmsub): Expand the FMA pattern directly.
2894         * config/rs6000/rs6000.md (FMA_F): New mode iterator.
2895         (*fmasf4_fpr): Rename from fmasf4_fpr.
2896         (*nfmasf4_fpr): Rename from *fnmasf4_fpr.
2897         (*nfmssf4_fpr): Rename from *fnmssf4_fpr.
2898         (*fmaddsf4_powerpc, *fmaddsf4_power, *fmsubsf4_powerpc): Remove.
2899         (*fmsubsf4_power, *fnmaddsf4_powerpc_1, *fnmaddsf4_powerpc_2): Remove.
2900         (*fnmaddsf4_power_1, *fnmaddsf4_power_2, *fnmsubsf4_powerpc_1): Remove.
2901         (*fnmsubsf4_powerpc_2, *fnmsubsf4_power_1, *fnmsubsf4_power_2): Remove.
2902         (*fmadf4_fpr): Rename from fmadf4_fpr.
2903         (*nfmadf4_fpr): Rename from *fnmadf4_fpr.
2904         (*nfmsdf4_fpr): Rename from *fnmsdf4_fpr.
2905         (*fmadddf4_fpr, *fmsubdf4_fpr, *fnmadddf4_fpr_1): Remove.
2906         (*fnmadddf4_fpr_2, *fnmsubdf4_fpr_1, *fnmsubdf4_fpr_2): Remove.
2907         (fmasf4, fmadf4): Macroize into...
2908         (fma<FMA_F>4): ... here.
2909         (fms<FMA_F>4, fnma<FMA_F>4, fnms<FMA_F>4): New.
2910         (nfma<FMA_F>4, nfms<FMA_F>4): New.
2911         * config/rs6000/vector.md (mul<VEC_F>3): Do not depend on
2912         TARGET_FUSED_MADD.
2913         * config/rs6000/vsx.md (vsx_fmadd<VSX_B>4): Remove.
2914         (*vsx_fmadd<mode>4_1): Remove.
2915         (vsx_fmsub<mode>4, *vsx_fmsub<mode>4_1): Remove.
2916         (vsx_fnmadd<mode>4_1, vsx_fnmadd<mode>4_2): Remove.
2917         (vsx_fnmsub<mode>4_1, vsx_fnmsub<mode>4_2): Remove.
2918         (*vsx_fma<mode>4): Rename from vsx_fmadd<mode>4_2.
2919         (*vsx_fms<mode>4): Rename from vsx_fmsub<mode>4_2.
2920         (*vsx_nfma<mode>4): Rename from vsx_fnmadd<mode>4.
2921         (*vsx_nfms<mode>4): Rename from vsx_fnmsub<mode>4.
2922
2923 2010-11-16  Richard Henderson  <rth@redhat.com>
2924
2925         * config/pa/pa.md (fmadf4): Rename from unnamed; use FMA.
2926         (fmasf4, fnmadf4, fnmasf4): Likewise.
2927         (unnamed plus+mult insns and splitters): Delete.
2928
2929 2010-11-16  Richard Henderson  <rth@redhat.com>
2930
2931         * config/spu/spu.md (fma<VSF>4): Rename from fma_<VSF>.
2932         (fnma<VSF>4): Rename from fnms_<VSF>.
2933         (fms<VSF>4): Rename from fms_<VSF>.
2934         (fma<VDF>4): Rename from fma_<VDF>.
2935         (fms<VDF>4): Rename from fms_<VDF>.
2936         (nfma<VDF>4): Rename from fnma_<VDF>.
2937         (nfms<VDF>4): Rename from fnms_<VDF>.
2938         (fnma<VDF>4, fnms<VDF>4): New expanders.
2939         (floatunsdisf2): Update for the renames.
2940         (*div<VSF>3_fast, *div<VSF>3_adjusted): Likewise.
2941         * config/spu/spu-builtins.def: Update CODE_FOR_* for the renames.
2942
2943 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2944
2945         PR rtl-optimization/46490
2946         * combine.c (expand_compound_operation): Fix thinko.
2947
2948 2010-11-16  Richard Henderson  <rth@redhat.com>
2949
2950         PR target/46470
2951         * recog.c (peep2_attempt): Convert frame-related info when possible.
2952         (peep2_fill_buffer): Allow frame-related insns into the buffer.
2953         (peephole2_optimize): Allow peep2_attempt to fail.
2954
2955 2010-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2956
2957         PR rtl-optimization/46315
2958         * rtl.h (remove_reg_equal_equiv_notes_for_regno): Declare.
2959         * rtlanal.c (remove_reg_equal_equiv_notes_for_regno): New function
2960         extracted from...
2961         * dce.c (delete_corresponding_reg_eq_notes): ...here.  Rename into...
2962         (remove_reg_equal_equiv_notes_for_defs): ...this.
2963         (delete_unmarked_insns): Adjust to above renaming.
2964         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL and REG_EQUIV notes
2965         referring to registers set in the insns being moved, if any.
2966
2967         * df-core.c (df_ref_dump): New function extracted from...
2968         (df_refs_chain_dump): ...here.  Call it.
2969         (df_regs_chain_dump): Likewise.
2970         * df-problems.c (df_chain_dump): Print 'e' for uses in notes.
2971         * df-scan.c (df_scan_start_dump): Likewise.  Fix long line.
2972
2973 2010-11-16  Andreas Schwab  <schwab@linux-m68k.org>
2974
2975         PR rtl-optimization/46395
2976         * postreload.c (reload_combine): Invalidate register use
2977         information on all control flow insns.
2978
2979         * config/m68k/m68k.c (m68k_delegitimize_address): Also expect
2980         LABEL_REF in UNSPEC operand.
2981
2982 2010-11-16  Jan Hubicka  <jh@suse.cz>
2983
2984         * cgraph.h (+varpool_can_remove_if_no_refs): Move here from ...;
2985         when !flag_toplevel_reorder do not remove unless variable is
2986         COMDAT or ARTIFICIAL.
2987         * ipa.c (varpool_can_remove_if_no_refs): ... here.
2988         (cgraph_remove_unreachable_nodes): Only analyzed nodes needs to stay.
2989         * cgraphunit.c (cgraph_analyze_functions): Dump varpool, too.
2990         * varpool.c (decide_is_variable_needed): Do not handle visibility
2991         issues.
2992         (varpool_finalize_decl): Likewise.
2993         (varpool_remove_unreferenced_decls): Use varpool_mark_needed_node;
2994         update outdated comment on DECL_RTL_SET_P check.
2995
2996 2010-11-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2997
2998         * config/sol2.h (NM_FLAGS): Define.
2999         * doc/tm.texi.in (Macros for Initialization, NM_FLAGS): Document.
3000         * doc/tm.texi: Update.
3001
3002 2010-11-16  Nick Clifton  <nickc@redhat.com>
3003
3004         * config/v850/v850.md (maddsf4): Rename to fmasf4 and use fma rtx_code.
3005         (msubsf4): Rename to fmssf4, and use fma.
3006         (nmaddsf4): Rename to fnmasf4 and use fma.
3007         (nmsubsf4): Rename to fnmssf4 and use fma.
3008
3009 2010-11-16  Joern Rennecke  <amylaar@spamcop.net>
3010
3011         PR target/44762
3012         * config/score/score3.c (score3_return_in_memory): Constify arguments.
3013         (score3_in_small_data_p, score3_function_value): Likewise.
3014         (score3_trampoline_init): Use LCT_NORMAL.
3015         (score3_print_operand): Initialize code as UNKNOWN.
3016         * config/score/predicates.md (score_load_multiple_operation):
3017         Remove unused variable.
3018         (score_store_multiple_operation): Likewise.
3019         * config/score/score7.c (score7_return_in_memory): Constify arguments.
3020         (score7_in_small_data_p, score7_function_value): Likewise.
3021         (score7_trampoline_init): Use LCT_NORMAL.
3022         (score7_print_operand): Initialize code as UNKNOWN.
3023         * config/score/score3.h (score3_return_in_memory): Update prototype.
3024         (score3_in_small_data_p, score3_function_value): Likewise.
3025         * config/score/score-protos.h (score_function_value): Likewise.
3026         * config/score/score7.h (score7_return_in_memory): Update prototype.
3027         (score7_in_small_data_p, score7_function_value): Likewise.
3028         * config/score/score.c (TARGET_PROMOTE_PROTOTYPES): Constify.
3029         (score_return_in_memory, score_pass_by_reference): Constify arguments.
3030         (score_output_mi_thunk, score_function_prologue): Don't return a value.
3031         (score_function_epilogue, score_in_small_data_p): Likewise.
3032         (score_option_override, score_asm_trampoline_template): Likewise.
3033         (score_trampoline_init, score_print_operand): Likewise.
3034         (score_print_operand_address, score_prologue): Likewise.
3035         (score_epilogue, score_call, score_call_value): Likewise.
3036         (score_movsicc, score_movdi, score_zero_extract_andi): Likewise.
3037         (score_function_arg_advance): Likewise. Make static.
3038         (score_asm_file_end): Mark parameter value with ATTRIBUTE_UNUSED.
3039         (score_function_arg, score_legitimate_address_p): Make static.
3040         (score_function_value): Mark parameter func with ATTRIBUTE_UNUSED.
3041         * config/score/score.h (REGNO_REG_CLASS): Cast value to enum reg_class.
3042         * config/score/score-conv.h (UIMM_IN_RANGE, SIMM_IN_RANGE):
3043         Allow (W) == HOST_BITS_PER_WIDE_INT.
3044
3045         PR java/46386
3046         * config/pdp11/t-pdp11 (java/constants.o-warn): Remove.
3047         * config/t-pnt16-warn (java/constants.o-warn): Likewise.
3048
3049 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3050
3051         * config/arc/arc.c: Delete pasto.
3052         * config/pa/pa.c (pa_function_arg_boundary): Add missing comparison.
3053
3054 2010-11-16  Anatoly Sokolov  <aesok@post.ru>
3055
3056         * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS,
3057         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
3058         * config/mn10300/mn10300.c (TARGET_PREFERRED_RELOAD_CLASS,
3059         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
3060         (mn10300_preferred_reload_class,
3061         mn10300_preferred_output_reload_class): New functions.
3062
3063 2010-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3064
3065         * gensupport.c (MNEMONIC_ATTR_NAME, MNEMONIC_HTAB_SIZE): New macros.
3066         (htab_eq_string, add_mnemonic_string, gen_mnemonic_setattr)
3067         (mnemonic_htab_callback, gen_mnemonic_attr): New functions.
3068         (init_rtx_reader_args_cb): Invoke gen_mnemonic_attr.
3069
3070 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3071
3072         * builtins.c (std_gimplify_va_arg_expr): Use
3073         targetm.calls.function_arg_boundary.
3074         * function.c (assign_parms, locate_and_pad_parm): Likewise.
3075         * calls.c (struct arg_data): Update comment.
3076         * defaults.h (FUNCTION_ARG_BOUNDARY): Delete.
3077         * target.def (function_arg_boundary): Define.
3078         * targhooks.h (default_function_arg_boundary): Declare.
3079         * targhooks.c (default_function_arg_boundary): Define.
3080         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Use
3081         TARGET_FUNCTION_ARG_BOUNDARY.
3082         (FUNCTION_ARG_BOUNDARY): Delete.
3083         (TARGET_FUNCTION_ARG_BOUNDARY): New.
3084         * doc/tm.texi: Regenerate.
3085         * system.h (FUNCTION_ARG_BOUNDARY): Poison.
3086         * config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete.
3087         * config/arc/arc.c (arc_function_arg_boundary): Define.
3088         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3089         * config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete.
3090         * config/arm/arm-protos.h (arm_needs_doubleword_align): Delete.
3091         * config/arm/arm.c (arm_needs_doubleword_align): Make static.
3092         (arm_function_arg_boundary): Define.
3093         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3094         * config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete.
3095         * config/frv/frv-protos.h (frv_function_arg_boundary): Delete.
3096         * config/frv/frv.c (frv_function_arg_boundary): Make static.
3097         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3098         * config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete.
3099         * config/i386/i386-protos.h (ix86_function_arg_boundary): Delete.
3100         * config/i386/i386.c (ix86_function_arg_boundary): Make static.
3101         (ix86_compat_function_arg_boundary): Take and return unsigned int.
3102         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3103         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete.
3104         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete.
3105         * config/ia64/ia64.c (ia64_function_arg_boundary): Make static.
3106         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3107         * config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete.
3108         * config/m32c/m32c.c (m32c_function_arg_boundary): Define.
3109         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3110         * config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete.
3111         * config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete.
3112         * config/mcore/mcore.c (mcore_function_arg_boundary): Define.
3113         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3114         * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete.
3115         * config/mips/mips-protos.h (mips_function_arg_boundary): Delete.
3116         * config/mips/mips.c (mips_function_arg_boundary): Make static.
3117         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3118         * config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete.
3119         * config/pa/pa.c (pa_function_arg_boundary): Define.
3120         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3121         * config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete.
3122         * config/picochip/picochip-protos.h
3123         (picochip_get_function_arg_boundary): Delete.
3124         * config/picochip/picochip.c (picochip_get_function_arg_boundary):
3125         Rename to...
3126         (picochip_function_arg_boundary): ...this.  Make static.
3127         (picochip_function_arg, picochip_arg_partial_bytes): Adjust.
3128         (picochip_arg_advance): Adjust.
3129         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3130         * config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete.
3131         * config/rs6000/rs6000-protos.h (function_arg_boundary): Delete.
3132         * config/rs6000/rs6000.c (function_arg_boundary): Rename to...
3133         (rs6000_function_arg_boundary): ...this.  Make static.
3134         (rs6000_parm_start, rs6000_gimplify_va_arg): Adjust.
3135         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3136         * config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete.
3137         * config/rx/rx.c (rx_function_arg_boundary): Define.
3138         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3139         * config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete.
3140         * config/sparc/sparc.c (sparc_function_arg_boundary): Define.
3141         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3142         * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete.
3143         * config/xtensa/xtensa-protos.h (function_arg_boundary): Delete.
3144         * config/xtensa/xtensa.c (function_arg_boundary): Rename to...
3145         (xtensa_function_arg_boundary): ...this.  Make static.
3146         (TARGET_FUNCTION_ARG_BOUNDARY): Define.
3147
3148 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3149
3150         * expr.c (alignment_for_piecewise_move): New function.
3151         (widest_int_mode_for_size): New function.
3152         (move_by_pieces, move_by_pieces_ninsns): Call them.
3153         (can_store_by_pieces, store_by_pieces_1): Likewise.
3154
3155 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3156
3157         * gcc.c (char_p): Define.  Define a VEC of it.
3158         (n_linker_options, n_assembler_options, n_preprocessor_options):
3159         Delete.
3160         (linker_options, assembler_options, preprocessor_options): Convert
3161         to a VEC.
3162         (add_preprocessor_option): Adjust.
3163         (add_assembler_option): Adjust.
3164         (add_linker_option): Adjust.
3165         (do_specs_vec): New function.
3166         (do_spec_1): Call it.  Adjust for new types.
3167
3168 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3169
3170         * Makefile.in (bitmap.o, ebitmap.o, et-forest.o): Update dependencies.
3171         (sreal.o, statistics.o, stringpool.o): Likewise.
3172
3173 2010-11-16  Richard Guenther  <rguenther@suse.de>
3174
3175         PR tree-optimization/44545
3176         * tree-ssa-reassoc.c (linearize_expr_tree): Possibly throwing
3177         statements are not reassociatable.
3178         (reassociate_bb): Likewise.
3179
3180 2010-11-16  Nathan Froyd  <froydnj@codesourcery.com>
3181
3182         * bitmap.c: Delete unnecessary includes.
3183         * ebitmap.c: Likewise.
3184         * et-forest.c: Likewise.
3185         * sreal.c: Likewise.
3186         * statistics.c: Likewise.
3187         * stringpool.c: Likewise.
3188         * double-int.c: Add comment for inclusion of tm.h.
3189
3190 2010-11-16  Richard Guenther  <rguenther@suse.de>
3191
3192         * tree-ssa-sccvn.c (visit_unary_op): Rename to ...
3193         (visit_nary_op): ... this.
3194         (visit_binary_op): Remove.
3195         (visit_use): Adjust and handle GIMPLE_TERNARY_RHS.
3196
3197 2010-11-16  Richard Guenther  <rguenther@suse.de>
3198
3199         PR middle-end/45172
3200         * tree-eh.c (cleanup_empty_eh_unsplit): Avoid creating duplicate edges.
3201
3202 2010-11-16  Nick Clifton  <nickc@redhat.com>
3203
3204         * config/rx/rx.c (rx_is_ms_bitfield_layout): Return false if the
3205         record is packed.
3206
3207 2010-11-15  Richard Henderson  <rth@redhat.com>
3208
3209         * fold-const.c (operand_equal_for_comparison_p): Handle FMA_EXPR,
3210         WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR, VEC_COND_EXPR and
3211         DOT_PROD_EXPR.
3212
3213 2010-11-15  Richard Henderson  <rth@redhat.com>
3214
3215         * config/mn10300/mn10300.md (fmasf4, fmssf4, fnmasf4, fnmssf4): Rename
3216         from fmaddsf4, fmsubsf4, fnmaddsf4, fnmsubsf4 respectively.  Use
3217         fma rtx_code.
3218
3219 2010-11-15  Richard Henderson  <rth@redhat.com>
3220
3221         * config/frv/frv.md (fmasf4, fmssf4): Rename from *muladdsf4
3222         and *mulsubsf4 respectively.  Use fma rtx_code.
3223
3224 2010-11-15  Joseph Myers  <joseph@codesourcery.com>
3225
3226         * gcc.c: Include "vec.h".
3227         (argbuf): Make into a VEC.
3228         (argbuf_length, argbuf_index): Remove.
3229         (alloc_args, clear_args, store_arg, execute, insert_wrapper,
3230         do_spec, do_self_spec, do_spec_1, eval_spec_function, main,
3231         compare_debug_dump_opt_spec_function: Use VEC interfaces on argbuf.
3232         * Makefile.in (GCC_OBJS): Add vec.o and ggc-none.o.
3233         (gcc.o): Depend on $(VEC_H).
3234
3235 2010-11-15  Richard Henderson  <rth@redhat.com>
3236
3237         * loop-unroll.c (analyze_insn_to_expand_var): Accept accumulation
3238         via FMA if unsafe math.
3239         (insert_var_expansion_initialization): Handle FMA.
3240         (combine_var_copies_in_loop_exit): Likewise.
3241
3242 2010-11-15  Richard Henderson  <rth@redhat.com>
3243
3244         * config.gcc [ia64-*] (extra_options): Add fused-madd.opt.
3245         * config/ia64/ia64.opt: Remove mfused-madd.
3246         * config/ia64/ia64.c (ia64_rtx_costs): Handle FP MULT, PLUS, FMA.
3247         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_FUSED_MADD.
3248         * config/ia64/vms64.h (TARGET_DEFAULT): Likewise.
3249         * config/ia64/ia64.h (TARGET_DEFAULT): Likewise.
3250         * config/ia64/hpux.h (TARGET_DEFAULT): Likewise.
3251         * config/ia64/vect.md (addv2sf3, subv2sf3): Generate FMA.
3252         (*addv2sf3_1, *addv2sf3_2, *subv2sf3_1, *subv2sf3_2): Remove.
3253         (fmav2sf4): Rename from fpma; use FMA code.
3254         (fmsv2sf4): Rename from fpms; use FMA code.
3255         (fnmav2sf4): Rename from *fpnma; use FMA code.
3256         * config/ia64/ia64.md (MODE_SDF): New iterator.
3257         (suffix): New mode attribute.
3258         (*maddsf4, *msubsf4, *nmaddsf4): Remove.
3259         (fmssf4): Rename from *fmssf4.
3260         (fnmasf4): Rename from *nfmasf4.
3261         (*madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc): Remove.
3262         (*nmadddf4, *nmadddf4_truncsf): Remove.
3263         (fmsdf4): Rename from *fmsdf4.
3264         (fnmadf4): Rename from *nfmadf4.
3265         (*fmadf_trunc_sf, *fmsdf_trunc_sf, *fnmadf_trunc_sf): New.
3266         (*maddxf4, *maddxf4_truncsf, *maddxf4_truncdf): Remove.
3267         (*msubxf4, *msubxf4_truncsf, *msubxf4_truncdf): Remove.
3268         (*nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf): Remove.
3269         (fmsxf4): Rename from *fmsxf4.
3270         (fnmaxf4): Rename from *nfmaxf4.
3271         (*fmaxf_trunc_<MODE_SDF>, *fmsxf_trunc_<MODE_SDF>): New.
3272         (*fnmaxf_trunc_<MODE_SDF>): New.
3273
3274 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
3275
3276         PR tree-optimization/46461
3277         * tree-ssa-forwprop.c (simplify_builtin_call): Ensure ptr1 is
3278         a gimple val.
3279
3280 2010-11-15  Ian Lance Taylor  <iant@google.com>
3281
3282         * godump.c: New file.
3283         * common.opt (fdump-go-spec=): New option.
3284         * tree.h: Add comments for TYPE_SYMTAB_ADDRESS and friends.
3285         (TYPE_SYMTAB_IS_ADDRESS, TYPE_SYMTAB_IS_POINTER): Define.
3286         (TYPE_SYMTAB_IS_DIE): Define.
3287         (struct tree_type): Change GTY for symtab field to use
3288         TYPE_SYMTAB_IS_ADDRESS and friends and to use a debug_hooks field
3289         to pick the union field.
3290         * debug.h (struct gcc_debug_hooks): Add tree_type_symtab_field.
3291         (dump_go_spec_init): Declare.
3292         * toplev.c (process_options): Handle flag_dump_go_spec.
3293         * debug.c: Include "tree.h".
3294         (do_nothing_debug_hooks): Set tree_type_symtab_field.
3295         * dwarf2out.c (dwarf2_debug_hooks): Likewise.
3296         * dbxout.c (dbx_debug_hooks): Likewise.
3297         (xcoff_debug_hooks): Likewise.
3298         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
3299         * sdbout.c (sdb_debug_hooks): Likewise.  Do not define if
3300         SDB_DEBUGGING_INFO is not defined.
3301         * doc/invoke.texi (Option Summary): Mention -fdump-go-spec.
3302         (Overall Options): Document -fdump-go-spec.
3303         * Makefile.in (OBJS-common): Add godump.o.
3304         (debug.o): Add dependency on $(TREE_H).
3305         (godump.o): New target.
3306         (GTFILES): Add $(srcdir)/godump.c.
3307
3308 2010-11-15  Jakub Jelinek  <jakub@redhat.com>
3309
3310         PR debug/46095
3311         * config/i386/i386.c (pro_epilogue_adjust_stack): Instead of
3312         marking r11 set RTX_FRAME_RELATED_P if offset is too large for
3313         style < 0, add REG_FRAME_RELATED_EXPR.
3314
3315         PR debug/46387
3316         * rtl.h (vt_equate_reg_base_value): New prototype.
3317         * alias.c (vt_equate_reg_base_value): New function.
3318         * var-tracking.c (vt_init_cfa_base): Use it.
3319
3320 2010-11-15  Jan Hubicka  <jh@suse.cz>
3321             Diego Novillo  <dnovillo@google.com>
3322
3323         PR lto/41528
3324         * doc/lto.texi: Add.
3325         * doc/gccint.texi: Add reference to lto.texi.
3326         * doc/invoke.texi: Update user documentation for LTO.
3327         Move internal flags to lto.texi
3328
3329 2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>
3330
3331         * c-typeck.c (build_unary_op): Use
3332         objc_build_incr_expr_for_property_ref to build the pre/post
3333         increment/decrement of an Objective-C property ref, and skip the
3334         lvalue_or_else check in that case.
3335
3336 2010-11-15  Martin Jambor  <mjambor@suse.cz>
3337
3338         PR tree-optimization/46349
3339         * tree-sra.c (contains_bitfld_comp_ref_p): New function.
3340         (contains_vce_or_bfcref_p): Likewise.
3341         (sra_modify_assign): Use them.
3342
3343 2010-11-15  Richard Guenther  <rguenther@suse.de>
3344
3345         PR tree-optimization/46467
3346         * tree-ssa-structalias.c (do_structure_copy): Properly treat
3347         variables without subvars.
3348
3349 2010-11-15  Hariharan Sandanagobalane  <hariharan@picochip.com>
3350
3351         * config/picochip/picochip.c (file header): Picochip name change.
3352         * config/picochip/picochip.md (file header): Likewise.
3353         * config/picochip/predicates.md (file header): Likewise.
3354         * config/picochip/dfa_space.md (file header): Likewise.
3355         * config/picochip/dfa_speed.md (file header): Likewise.
3356         * config/picochip/picochip.h(file header): Likewise.
3357         * config/picochip/constraints.md (file header): Likewise.
3358         * config/picochip/picochip-protos.h (file header): Likewise.
3359         * config/picochip/libgccExtras/setjmp.asm (file header): Likewise.
3360         * config/picochip/libgccExtras/divmodsi4.asm (file header): Likewise.
3361         * config/picochip/libgccExtras/ashlsi3.asm (file header): Likewise.
3362         * config/picochip/libgccExtras/longjmp.asm (file header): Likewise.
3363         * config/picochip/libgccExtras/ashlsi3.c (file header): Likewise.
3364         * config/picochip/libgccExtras/popcounthi2.asm (file header): Likewise.
3365         * config/picochip/libgccExtras/parityhi2.asm (file header): Likewise.
3366         * config/picochip/libgccExtras/udivmodhi4.asm (file header): Likewise.
3367         * config/picochip/libgccExtras/ashrsi3.asm (file header): Likewise.
3368         * config/picochip/libgccExtras/ashrsi3.c (file header): Likewise.
3369         * config/picochip/libgccExtras/ucmpsi2.asm (file header): Likewise.
3370         * config/picochip/libgccExtras/divmodhi4.asm (file header): Likewise.
3371         * config/picochip/libgccExtras/lshrsi3.asm (file header): Likewise.
3372         * config/picochip/libgccExtras/subdi3.asm (file header): Likewise.
3373
3374 2010-11-15  Richard Guenther  <rguenther@suse.de>
3375
3376         PR bootstrap/46474
3377         * tree-ssa-math-opts.c (convert_mult_to_fma): Disregard debug stmts.
3378
3379 2010-11-15  Nick Clifton  <nickc@redhat.com>
3380
3381         * config/stormy16/stormy16.c (direct_return): Do not generate a
3382         direct return for interrupt handlers.
3383
3384 2010-11-15  Joern Rennecke  <amylaar@spamcop.net>
3385
3386         * Makefile.in (tm.texi): Replace with rule for:
3387         ($(srcdir)/doc/tm.texi).
3388         (s-tm-texi): Depend on $(srcdir)/doc/../doc/tm.texi instead of on
3389         $(srcdir)/doc/tm.texi .
3390         (TEXI_GCCINT_FILES): Depend on $(srcdir)/doc/tm.texi instead of on
3391         tm.texi .
3392
3393         PR target/46427
3394         * config/m32r/m32r.c: Remove unused variables frame_size and insn.
3395
3396         PR bootstrap/45444
3397         * config/arm/arm.c (locate_neon_builtin_icode): Initialize key.
3398         (arm_output_asm_insn) Add ATTRIBUTE_PRINTF_4.
3399
3400         PR target/46432
3401         * config/v850/v850.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.