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PR target/52107
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1 2012-02-07  Alan Modra  <amodra@gmail.com>
2
3         PR target/52107
4         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
5         subregs of TFmode.
6
7 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8
9         PR tree-optimization/50969
10         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
11         use vec_perm rather than vector_stmt.
12         (vect_model_load_cost): Likewise.
13         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
14         vec_perm to be the same as other vector statements.
15         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
16         cost of vec_perm for TARGET_VSX.
17
18 2012-02-06  Richard Guenther  <rguenther@suse.de>
19
20         PR tree-optimization/52115
21         * tree-sra.c (access_has_replacements_p): New function.
22         (sra_modify_assign): Use it to decide whether a use is uninitialized.
23
24 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
25
26         PR middle-end/52047
27         * trans-mem.c (expand_call_tm): Add an assertion.
28         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
29         functions.
30
31 2012-02-06  Richard Guenther  <rguenther@suse.de>
32
33         PR tree-optimization/50955
34         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
35         raise cost of expressions that replace an address with an
36         expression based on a different pointer.
37
38 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
39
40         PR target/52129
41         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
42         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
43
44 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
45
46         PR c++/48680
47         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
48         -Weffc++ and specify guidelines come from second edition.
49
50 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
51
52         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
53         (sibcall_value_multiple_internal, call_split, call_internal_direct)
54         (call_direct_split, call_value_split, call_value_internal_direct)
55         (call_value_direct_split, call_value_multiple_split): Use jal and
56         jal_macro attributes.
57
58 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
59
60         * reload1.c (reload_regs_reach_end_p): Replace with...
61         (reload_reg_rtx_reaches_end_p): ...this function.
62         (new_spill_reg_store): Update commentary.
63         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
64         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
65         before setting new_spill_reg_store.
66         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
67         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
68         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
69         for non-spill reload registers.
70
71 2012-02-05  Ira Rosen  <irar@il.ibm.com>
72
73         PR tree-optimization/52091
74         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
75         (vect_is_simple_use_1): Likewise.
76         * tree-vect-loop.c (vectorizable_reduction): Update calls
77         to vect_is_simple_use_1 and vect_is_simple_use.
78         (vectorizable_live_operation): Likewise.
79         * tree-vect-patterns.c (widened_name_p,
80         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
81         Likewise.
82         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
83         vectorizable_call, vectorizable_conversion,
84         vectorizable_assignment, vectorizable_shift,
85         vectorizable_operation, vectorizable_store, vectorizable_load):
86         Likewise.
87         (vect_is_simple_cond): Add an argument, pass it to
88         vect_is_simple_use_1.
89         (vectorizable_condition): Update calls to vect_is_simple_cond,
90         vect_is_simple_use.
91         (vect_is_simple_use): Add an argument, the statement in which
92         OPERAND is used.  Check that if OPERAND's def stmt is a double
93         reduction phi node, the use is a phi node too.
94         (vect_is_simple_use_1): Add an argument, pass it to
95         vect_is_simple_use.
96         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
97         to vect_is_simple_use.
98
99 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
100
101         PR rtl-optimization/52095
102         * modulo-sched.c (dump_insn_locator): New function.
103         (loop_canon_p, sms_schedule): Use it.
104
105         PR rtl-optimization/52113
106         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
107         even for decomposable shift/zext insns.
108
109 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
110             Zdenek Dvorak  <ook@ucw.cz>
111
112         PR rtl-optimization/52092
113         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
114         on get_iv_value result.
115
116 2012-02-02  Andrew Pinski  <apinski@cavium.com>
117
118         PR middle-end/47982
119         PR middle-end/43967
120         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
121
122 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
123
124         PR middle-end/48071
125         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
126
127 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
128
129         PR rtl-optimization/49800
130         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
131         (sched_finish): Call regstat_free_n_sets_and_refs.
132
133 2012-02-02  Jia Liu  <proljc@gmail.com>
134
135         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
136         than operand 2.
137
138 2012-02-02 Jan Hubicka  <jh@suse.cz>
139            Tom de Vries  <tom@codesourcery.com>
140
141         PR middle-end/51998
142         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
143         * varpool.c (varpool_analyze_pending_decls): Likewise.
144
145 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
146             Jayant R Sonar <jayant.sonar@kpitcummins.com>
147
148         * config.gcc: Add cr16-* support.
149
150         * doc/extend.texi: Document cr16 extensions.
151         * doc/install.texi: Document cr16 install.
152         * doc/invoke.texi: Document cr16 options.
153         * doc/md.texi: Document cr16 constraints.
154
155         * common/config/cr16/cr16-common.c: New file.
156         * config/cr16/cr16.c: New file.
157         * config/cr16/cr16.h: New file.
158         * config/cr16/cr16.md: New file.
159         * config/cr16/cr16.opt: New file.
160         * config/cr16/cr16-protos.h: New file.
161         * config/cr16/predicates.md: New file.
162         * config/cr16/constraints.md: New file.
163         * config/cr16/t-cr16: New file.
164
165 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
166
167         PR target/52086
168         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
169         that operands[2] is either immediate, or q_regs_operand.
170
171         PR tree-optimization/52073
172         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
173         a pattern stmt for pattern uses, ignore uses outside of the loop.
174
175 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
176
177         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
178         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
179         (OUT_AS1, OUT_AS2): Remove.
180
181 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
182
183         PR rtl-optimization/51374
184         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
185         to cross other volatile_refs_p insns.
186
187 2012-02-01  Richard Guenther  <rguenther@suse.de>
188
189         * doc/invoke.texi (fno-inline): Clarify documentation.
190         (finline-small-functions): Likewise.
191         (finline-functions): Likewise.
192         * common.opt (finline): Adjust comment and documentation.
193         (finline-small-functions): Clarify documentation.
194         (finline-functions): Likewise.
195         (finline-functions-called-once): Likewise.
196
197 2012-02-01  Tristan Gingold  <gingold@adacore.com>
198
199         * c-typeck.c (composite_type): Keep mode for pointers.
200
201 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
202
203         * function.h (regno_reg_rtx): Adjust comment.
204         * reginfo.c (init_reg_modes_target): Only use the previous mode
205         if it fits within one register.  Remove MIPS comment.
206
207 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
208
209         PR bootstrap/52058
210         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
211
212 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
213
214         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
215         to srak instruction.
216
217 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
218
219         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
220         condition.
221
222 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
223
224         PR bootstrap/52041
225         PR bootstrap/52039
226         PR target/51974
227         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
228
229 2012-01-31  Richard Guenther  <rguenther@suse.de>
230
231         PR tree-optimization/51528
232         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
233         assigns.
234
235 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
236
237         PR bootstrap/52041
238         PR bootstrap/52039
239         PR target/51974
240         * ree.c (add_removable_extension): Change def_map argument
241         to unsigned *, store in def_map 1 + offset into *insn_list vector
242         instead of pointers into the vector.
243         (find_removable_extensions): Adjust caller.
244
245 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
246
247         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
248         Transform all "* quoted-c-code" to { c-code }.
249         Remove redundant test for "optimize" in combine patterns.
250         Move (include "avr-dimode.md") to end of file.
251
252 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
253
254         PR target/51835
255         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
256         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
257
258 2012-01-30  Richard Guenther  <rguenther@suse.de>
259
260         PR tree-optimization/52028
261         * tree-loop-distribution.c (ldist_gen): Properly update
262         virtual SSA form.
263
264 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
265
266         PR debug/52027
267         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
268         set_cur_line_info_table if not emitting debug info.
269
270         PR tree-optimization/52046
271         * tree-vect-patterns.c (check_bool_pattern): Give up if
272         a comparison could throw.
273
274         PR debug/52048
275         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
276
277 2012-01-30  Richard Guenther  <rguenther@suse.de>
278
279         PR tree-optimization/52045
280         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
281         SSA form if cfgcleanup did anything.
282
283 2012-01-30  Richard Guenther  <rguenther@suse.de>
284
285         PR tree-optimization/52045
286         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
287         before computing final todo.
288
289 2012-01-30  Richard Guenther  <rguenther@suse.de>
290
291         PR tree-optimization/51528
292         * tree-sra.c (sra_modify_assign): Re-factor in preparation
293         for PR51528 fix.
294
295 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
296
297         * df-problems.c (df_kill_notes): Check that the use refers
298         to the note under examination.
299
300 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
301
302         PR target/51920
303         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
304         parameter and use short-lived pseudos.
305         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
306         (sparc_expand_vector_init): Const-ify local variables and adjust
307         calls to above functions.
308
309 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
310
311         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
312
313 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
314
315         * doc/invoke.texi: Make usage of "compile time" and
316         "run time"/"runtime" consistent throughout the file.
317
318 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
319
320         * config/alpha/alpha.c (alpha_option_overrride): Default to
321         full IEEE compliance mode for Go language.
322
323 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
324
325         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
326         (LINK_SSP_SPEC): Define.
327
328 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
329
330         PR target/51871
331         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
332         stubs.
333
334 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
335
336         * doc/invoke.texi: Correct hyphenation of "floating point",
337         "double precision", and related terminology throughout the file.
338
339 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
340
341         PR target/52006
342         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
343         arm_general_register_operand predicate for operand 2 instead of
344         register_operand.
345
346 2012-01-27  Ian Lance Taylor  <iant@google.com>
347
348         PR go/47656
349         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
350         * builtins.c (expand_builtin_init_trampoline): Add onstack
351         parameter.  Change caller.
352         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
353         * tree.c (build_common_builtin_nodes): Declare
354         __builtin_init_heap_trampoline.
355
356 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
357
358         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
359         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
360         * config/avr/avr.c: Ditto.
361         (avr_regnames): Remove because unused.
362         * config/avr/avr.md (*cpse.ne): New peephole.
363         (*cpse.eq): New peephole from former cpse peepholes.
364
365 2012-01-27  Michael Eager  <eager@eagercon.com>
366
367         * config/microblaze.c (microblaze_emit_compare): Correct
368         test after pcmp instruction.
369
370 2012-01-27  Richard Guenther  <rguenther@suse.de>
371
372         PR tree-optimization/52020
373         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
374
375 2012-01-27  Richard Guenther  <rguenther@suse.de>
376
377         * ipa-pure-const.c (check_stmt): Clobbers do not make a
378         function non-const/pure.
379
380 2012-01-27  Richard Guenther  <rguenther@suse.de>
381
382         PR tree-optimization/50444
383         * tree-sra.c (build_ref_for_offset): Properly adjust the
384         MEM_REF type for unaligned accesses.
385
386 2012-01-27  Richard Guenther  <rguenther@suse.de>
387
388         PR tree-optimization/50444
389         * expr.c (mem_ref_refers_to_non_mem_p): New function.
390         (expand_assignment): Use it.  Properly handle misaligned
391         bases when expanding stores to component references.
392         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
393         refactor that case.
394
395 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
396
397         PR middle-end/51389
398         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
399         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
400         * tree-data-ref.c (find_data_references_in_loop): Make static.
401         (compute_all_dependences): Change return type to bool.  Bail out
402         for too many datarefs in a loop.  Move the hunk resetting the data
403         dependences vector from ...
404         (compute_data_dependences_for_loop): ... here.  Account for
405         compute_all_dependences returning false.
406         (compute_data_dependences_for_bb): Likewise.
407         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
408         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
409
410 2012-01-27  Richard Guenther  <rguenther@suse.de>
411
412         PR middle-end/51959
413         * expr.c (store_field): Use the alias-set of the scratch memory
414         for storing to it.
415
416 2012-01-27  Tom de Vries  <tom@codesourcery.com>
417
418         PR tree-optimization/51990
419         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
420         WITH_SIZE_EXPR.
421         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
422
423 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
424
425         PR debug/52001
426         * var-tracking.c (reverse_op): Don't add any reverse operation
427         if V already has any constant locations.
428
429 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
430
431         * doc/invoke.texi: Correct usage of "command line" (noun)
432         vs "command-line" (adjective) throughout.
433
434 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
435
436         * doc/invoke.texi (Language Independent Options): Move
437         -Wcoverage-mismatch blurb from here....
438         (Warning Options): ...to here.
439
440 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
441
442         * config/rs6000/rs6000.c (rs6000_option_override_internal):
443         Set rs6000_always_hint to false for 476.
444
445 2012-01-27  Matthias Klose  <doko@ubuntu.com>
446
447         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
448           system root.
449         * incpath.c (add_standard_paths): Likewise.
450
451 2012-01-27  Richard Henderson  <rth@redhat.com>
452
453         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
454         * config/m68k/sync.md (atomic_test_and_set): Rename from
455         sync_test_and_setqi and adjust the operands.
456         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
457         and unconditionally enable.
458
459 2012-01-27  Richard Henderson  <rth@redhat.com>
460
461         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
462         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
463         (ldstub): Rename from ldstubqi.
464         (ldstub<I24MODE>): Remove.
465
466 2012-01-27  Richard Henderson  <rth@redhat.com>
467
468         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
469         * c-cppbuiltin.c (cpp_atomic_builtins): Define
470         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
471         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
472         * doc/tm.texi: Rebuild.
473
474 2012-01-27  Richard Henderson  <rth@redhat.com>
475
476         * optabs.c (gen_atomic_test_and_set): Remove default.
477         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
478
479 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
480
481         PR rtl-optimization/51978
482         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
483         (combine_reaching_defs): Likewise.
484         (struct re_info): Remove.
485         (add_removable_extension): Remove x and data arguments,
486         add insn, insn_list and def_map.  Use the arguments directly
487         instead of using struct re_info.
488         (find_removable_extensions): Don't call add_removable_extension
489         through note_stores, instead just call it with single_set
490         result if non-NULL.
491         (find_and_remove_re): Pass curr_cand->expr instead of
492         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
493
494 2012-01-26  Michael Matz  <matz@suse.de>
495
496         PR tree-optimization/46590
497         * cfgexpand.c: Revert last change (r183305).
498         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
499         regs.
500         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
501         checking for emptiness.
502
503 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
504
505         PR middle-end/51895
506         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
507         non-addressable non-BLKmode base correctly.
508
509 2012-01-26  Michael Matz  <matz@suse.de>
510
511         PR tree-optimization/48794
512         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
513         regions referenced from RESX/EH_DISPATCH.
514
515 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
516
517         * config/s390/s390.h: Make BRANCH_COST an option.
518         * config/s390/s390.opt: New option -mbranch-cost.
519
520 2012-01-26  Richard Henderson  <rth@redhat.com>
521
522         Revert 2012-01-24 change:
523         * trans-mem.c (requires_barrier): Do not instrument thread local
524         variables and emit save/restore for them.
525
526 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
527
528         PR middle-end/51986
529         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
530         for pat == 0.
531
532 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
533
534         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
535         ASM_OPERANDS.
536
537 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
538
539         PR target/49868
540         Rename __pgm to __flash.
541         Rename __pgm1 to __flash1.
542         Rename __pgm2 to __flash2.
543         Rename __pgm3 to __flash3.
544         Rename __pgm4 to __flash4.
545         Rename __pgm5 to __flash5.
546         Rename __pgmx to __memx.
547         * doc/extend.texi (AVR Named Address Spaces)
548         Rename address space names as indicated above.
549         * config/avr/avr.c (avr_addrspace): Ditto.
550
551         * config/avr/avr-protos.h
552         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
553         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
554         * config/avr/predicates.md: Ditto.
555         * config/avr/avr.c Ditto, and
556         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
557         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
558
559         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
560         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
561         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
562         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
563         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
564         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
565         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
566         * config/avr/avr.c: Ditto.
567         * config/avr/avr.md: Ditto.
568
569 2012-01-25  Jason Merrill  <jason@redhat.com>
570
571         PR c++/51992
572         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
573
574 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
575
576         PR tree-optimization/51987
577         * tree-data-ref.c (get_references_in_stmt): Handle references in
578         non-volatile GIMPLE_ASM.
579
580 2012-01-25  Richard Guenther  <rguenther@suse.de>
581
582         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
583         bases are dereferenced.
584
585 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
586
587         PR rtl-optimization/48374
588         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
589
590 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
591
592         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
593         compute_data_dependences_for_loop returns false.
594         * tree-parloops.c (loop_parallel_p): Likewise.
595
596 2012-01-25  Richard Guenther  <rguenther@suse.de>
597
598         * tree.h (get_pointer_alignment_1): Declare.
599         * builtins.c (get_pointer_alignment_1): New function.
600         (get_pointer_alignment): Use it.
601
602 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
603
604         PR rtl-optimization/48308
605         * combine.c (enum undo_kind): Add UNDO_LINKS.
606         (struct undo): Add member l to other_contents and where.
607         (do_SUBST_LINK): New.
608         (SUBST_LINK): New.
609         (try_combine): Handle LOG_LINKS for the dummy i1 case.
610         (undo_all): Handle UNDO_LINKS.
611
612 2012-01-25  Richard Henderson  <rth@redhat.com>
613
614         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
615         mem inputs.
616
617 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
618
619         * optabs.c (gen_atomic_test_and_set): Use each argument.
620
621 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
622
623         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
624         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
625         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
626         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
627         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
628         TARGET_PAIRED_SINGLE_FLOAT.
629
630 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
631
632         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
633         (in_struct, return_val): Remove MEM documentation.
634         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
635         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
636         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
637         and MEM_SCALAR.
638         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
639         * cfgexpand.c (add_alias_set_conflicts): Likewise.
640         * expr.c (store_field): Likewise.
641         * function.c (assign_stack_temp_for_type): Likewise.
642         * ifcvt.c (noce_try_cmove_arith): Likewise.
643         * reload1.c (reload): Likewise.
644         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
645         (alpha_set_memflags): Likewise.
646         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
647
648 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
649
650         * rtl.h (true_dependence, canon_true_dependence): Remove varies
651         parameter.
652         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
653         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
654         (true_dependence_1, true_dependence, canon_true_dependence): Remove
655         varies parameter.
656         * cselib.c (cselib_rtx_varies_p): Delete.
657         (cselib_invalidate_mem): Update call to canon_true_dependence.
658         * dse.c (record_store, check_mem_read_rtx): Likewise.
659         (scan_reads_nospill): Likewise.
660         * cse.c (check_dependence): Likewise.
661         (cse_rtx_varies_p): Delete.
662         * expr.c (safe_from_p): Update call to true_dependence.
663         * ira.c (validate_equiv_mem_from_store): Likewise.
664         (memref_referenced_p): Likewise.
665         * postreload-gcse.c (find_mem_conflicts): Likewise.
666         * sched-deps.c (sched_analyze_2): Likewise.
667         * store-motion.c (load_kills_store): Likewise.
668         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
669         * gcse.c (mems_conflict_for_gcse_p): Likewise.
670         (compute_transp): Update call to canon_true_dependence.
671
672 2012-01-25  Richard Henderson  <rth@redhat.com>
673
674         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
675         (maybe_emit_atomic_test_and_set): New.
676         (expand_sync_lock_test_and_set): Use it.
677         (expand_atomic_test_and_set): Likewise.
678         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
679         the implementation; clarify implementation defined details.
680         * doc/md.texi (atomic_test_and_set): Document.
681
682 2012-01-25  Richard Henderson  <rth@redhat.com>
683
684         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
685
686 2012-01-25  Richard Henderson  <rth@redhat.com>
687
688         PR target/51968
689         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
690         to effect no-op split.
691
692 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
693
694         PR lto/51698
695         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
696         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
697         (BT_FN_VOID_PTR_INT_SIZE): New.
698         (BT_FN_UINT_UINT_VAR): Remove.
699         (BT_FN_UINT32_UINT32_VAR): New.
700         (BT_FN_DOUBLE_VPTR): Remove.
701         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
702
703         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
704         (_ITM_changeTransactionMode): Same.
705         (_ITM_memmoveRtWt): Change return type to void.
706         (_ITM_memcpyRtWt): Same.
707         (_ITM_memsetW): Same.
708         (_ITM_RaRD): Change types to double.
709         (_ITM_RD): Same.
710         (_ITM_RaWD): Same.
711         (_ITM_RfWD): Same.
712
713         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
714
715 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
716             Patrick Marlier  <patrick.marlier@gmail.com>
717
718         * trans-mem.c (requires_barrier): Do not instrument thread local
719         variables and emit save/restore for them.
720
721 2012-01-24  Jason Merrill  <jason@redhat.com>
722
723         PR c++/51812
724         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
725         output static aliases.
726
727 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
728
729         PR driver/47249
730         * common.opt (-pie, -shared, pie, shared): Change from Common to
731         Driver.
732         * gcc.c (display_help): Display help for -pie and -shared.
733
734 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
735
736         PR target/49868
737         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
738         Remove note on size/offset limitation.
739         (AVR Variable Attributes): Add example how to read data located
740         with progmem.  Refer to named address spaces.
741         * doc/invoke.texi (AVR Options): Fix typo.
742
743 2012-01-24  Richard Guenther  <rguenther@suse.de>
744
745         Forward-port to trunk
746         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
747
748         PR middle-end/45678
749         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
750         op0 isn't sufficiently aligned and there is movmisalignM
751         insn for mode, use it to load op0 into a temporary register.
752
753 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
754
755         PR target/51957
756         * target.def (const_not_ok_for_debug_p): New hook.
757         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
758         documentation.
759         * doc/tm.texi: Regenerated.
760         * dwarf2out.c (const_ok_for_output_1): If
761         targetm.const_not_ok_for_debug_p returns true, fail.
762         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
763         function.
764         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
765
766 2012-01-23  Kai Tietz  <ktietz@redhat.com>
767
768         PR target/51900
769         * config/i386/predicates.md (symbolic_operand): Allow
770         UNSPEC_PCREL as PIC expression for lea.
771         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
772         * config/i386/i386.c (ix86_delegitimize_address): Handle
773         UNSPEC_PCREL for none-MEM, too.
774
775 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
776
777         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
778         (ipa_tm_create_version_alias): Same.
779
780 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
781
782         PR libitm/51830
783         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
784         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
785
786 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
787             Patrick Marlier  <patrick.marlier@gmail.com>
788             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
789
790         PR lto/51916
791         * lto-wrapper.c (run_gcc): Pass the LTO section name to
792         simple_object_start_read.
793
794 2012-01-23  Richard Guenther  <rguenther@suse.de>
795
796
797         PR tree-optimization/51895
798         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
799         parameter decomposition into BLKmode components.
800
801 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
802
803         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
804         fake variables for restrict-qualified pointers whose pointed-to type
805         contains a placeholder.
806
807 2012-01-23  Richard Guenther  <rguenther@suse.de>
808
809         PR tree-optimization/51949
810         * ipa-split.c (execute_split_functions): Do not split malloc functions.
811
812 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
813
814         PR rtl-optimization/51933
815         * ree.c (transform_ifelse): Return true right away if dstreg is
816         already wider or equal to cand->mode.
817         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
818         (make_defs_and_copies_lists): Remove defs_list and copies_list
819         arguments, add state argument, just truncate state->work_list
820         instead of always allocating and freeing the vector.  Assert that
821         get_defs succeeds instead of returning 2.  Changed return type to bool.
822         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
823         have ext_src_mode, see if it has been modified already with the
824         right kind of extension and has been extended before from the
825         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
826         just return true.  Remember the original mode in state->modified array.
827         (combine_reaching_defs): Add state argument.  Don't allocate and
828         free here def_list, copied_list and vec vectors, instead just
829         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
830         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
831         Add state variable, clear vectors in it, initialize state.modified
832         if needed.  Free all the vectors at the end and state.modified too.
833         Don't skip a candidate if the extension expression has been modified.
834
835 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
836
837         PR target/47096
838         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
839          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
840         (extra_options) interix.opt -> i386/interix.opt"
841         (extra_objs):Add winnt-stubs.o
842         * configure.ac: Add interix to target_os .comm on PE check.
843         * configure: Regenerate.
844         * config/interix3.h: Delete and move bits to..
845         * config/interix.h: Delete and move bits to..
846         * config/i386/i386-interix3.h: Delete and move bits to..
847         * config/i386/i386-interix.h: ..here.
848         (TARGET_CPU_DEFAULT): Remove redefinition.
849         (TARGET_ASM_CONSTRUCTOR): Undefine.
850         (SUBTARGET_SWITCHES): Define for ms-bitfields.
851         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
852         (PTRDIFF_TYPE): Define.
853         (LONG_DOUBLE_TYPE_SIZE): Define.
854         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
855         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
856         (TARGET_SECTION_TYPE_FLAGS): Define.
857         (ASM_DECLARE_FUNCTION_NAME): Define.
858         (ASM_OUTPUT_EXTERNAL): Define.
859         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
860         (ASM_OUTPUT_ALIGNED_BSS): Define.
861         (PCC_BITFIELD_TYPE_MATTERS): Define.
862         (USE_CONST_SECTION): Define.
863         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
864         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
865         (SUPPORTS_ONE_ONLY): Remove.
866         (I386_PE_STRIP_ENCODING): Define.
867         * config/interix.opt: Delete and move bits to..
868         * config/i386/interix.opt: ..here. New.
869         (mpe-aligned-commons): Add.
870         * config/i386/t-interix: Add copyright header.
871         (winnt-stubs.o): Add rule.
872
873 2012-01-22  Jason Merrill  <jason@redhat.com>
874
875         PR c++/51832
876         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
877         for extra name aliases.
878
879 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
880
881         PR rtl-optimization/51924
882         * ree.c (combine_set_extension): Improve debugging message.
883         (combine_reaching_defs): Likewise.
884         (get_defs): Rename confusingly named variable.
885         (find_and_remove_re): Skip a candidate if the extension expression has
886         been modified.
887
888 2012-01-21  Robert Millan  <rmh@gnu.org>
889             Gerald Pfeifer  <gerald@pfeifer.com>
890
891         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
892         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
893
894 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
895
896         PR tree-optimization/51914
897         * tree-vect-stmts.c (vectorizable_conversion): For
898         cvt_type && modifier == WIDEN, put temporary with cvt_type
899         at the beginning of vec_dsts and set vec_dest to temporary
900         with vectype_out.
901
902 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
903
904         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
905
906 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
907
908         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
909         * config/rs6000/rs6000.c: Likewise.
910
911 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
912
913         PR target/51915
914         * config/arm/arm.c (arm_count_output_move_double_insns): Call
915         output_move_double on a copy of operands array.
916
917 2012-01-20  Cary Coutant  <ccoutant@google.com>
918             Dodji Seketeli  <dodji@redhat.com>
919
920         PR debug/45682
921         * dwarf2out.c (copy_declaration_context): Return ref to parent
922         of declaration DIE, if necessary.
923         (remove_child_or_replace_with_skeleton): Add new parameter; update
924         caller.  Place skeleton DIE under parent DIE of original declaration.
925         Move call to copy_declaration_context to here ...
926         (break_out_comdat_types): ... from here.
927
928 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
929
930         PR rtl-optimization/51856
931         * reload.c (find_reloads_subreg_address): Set the address_reloaded
932         flag to reloaded.
933
934 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
935
936         PR target/51819
937         * config/arm/arm.c (arm_print_operand): Correct output of alignment
938         hints for neon loads and stores.
939
940 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
941
942         PR target/49868
943         PR target/50887
944         * doc/extend.texi (Named Address Spaces): Split into subsections.
945         (AVR Named Address Spaces): New subsection.
946         (M32C Named Address Spaces): New subsection.
947         (RL78 Named Address Spaces): New subsection.
948         (SPU Named Address Spaces): New subsection.
949         (Variable Attributes): New anchor "AVR Variable Attributes".
950         (AVR Variable Attributes): Rewrite and avoid wording
951         "address space" in this context.
952         * doc/invoke.texi (AVR Options): Rewrite and add documentation
953         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
954         (AVR Built-in Macros): New subsubsection therein.
955         * doc/md.texi (AVR constraints): Remove "C04", "R".
956
957 2012-01-20  Richard Guenther  <rguenther@suse.de>
958
959         PR tree-optimization/51903
960         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
961         when removing stmts.
962
963 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
964
965         PR target/50313
966         * config/arm/arm.c (arm_load_pic_register): Use
967         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
968         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
969         (arm_pic_static_addr): Likewise.
970         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
971         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
972         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
973         (pic_load_addr_unified): New.
974
975 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
976
977         PR target/51106
978         * function.c (instantiate_virtual_regs_in_insn): Use
979         delete_insn_and_edges when removing a wrong asm insn.
980
981 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
982
983         PR rtl-optimization/40761
984         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
985         Add new member loop_num.
986         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
987         (ira_build): Remove the parameter.
988
989         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
990         (ira.c): Do not build CFG loops for one region allocation.  Remove
991         argument from ira_build call.
992
993         * ira-build.c (init_loop_tree_node): New function.
994         (create_loop_tree_nodes): Use it.  Separate the case when CFG
995         loops are not built.
996         (more_one_region_p): Check current_loops.
997         (finish_loop_tree_nodes): Separate the case when CFG loops are not
998         built.
999         (add_loop_to_tree): Process loop equal to NULL too.
1000         (form_loop_tree): Separate the case when CFG loops are not built.
1001         Use explicitly number for the root.
1002         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1003         an assertion.
1004         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1005         instead of loop->num.
1006         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1007         (mark_all_loops_for_removal): Ditto.
1008         (remove_unnecessary_regions): Separate the case when CFG loops
1009         are not built.
1010         (ira_build): Remove the parameter.  Use explicit number of regions
1011         when CFG loops are not built.
1012
1013         * ira-color.c (print_loop_title): Separate the case for the root node.
1014         Use loop_num instead of loop->num.
1015         (move_spill_restore): Use loop_num instead of loop->num.
1016
1017         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1018         (change_loop): Ditto.
1019         (change_loop): Use loop_num instead of loop->num.
1020
1021         * ira-lives.c (process_bb_node_lives): Ditto.
1022
1023         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1024
1025         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1026
1027 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1028
1029         PR libmudflap/40778
1030         * tree-mudflap.c (mf_artificial): New function.
1031         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1032         mx_register_decls, mudflap_enqueue_decl): Use it.
1033
1034         PR target/51876
1035         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1036         numbers in the insn pattern.
1037
1038 2012-01-19  Michael Matz  <matz@suse.de>
1039
1040         PR tree-optimization/46590
1041         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1042         use it in remembering which conflicts we already created.
1043         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1044         bitmap.
1045
1046 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1047
1048         PR lto/51280
1049         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1050         (merge_and_complain): Same.
1051
1052 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1053
1054         PR bootstrap/50237
1055         * config/initfini-array.h: Guard content of the header
1056         with #ifdef HAVE_INITFINI_ARRAY.
1057         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1058         Add initfini-array.h to tm_file here.
1059         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1060         * config.gcc: Don't add initfini-array.h to tm_file here.
1061         * configure: Regenerated.
1062
1063 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1064
1065         PR rtl-optimization/51505
1066         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1067         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1068         (df_note_bb_compute): Update the call to df_kill_notes.
1069
1070 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1071
1072         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1073
1074 2012-01-18  Richard Guenther  <rguenther@suse.de>
1075
1076         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1077         of conversions to void *.
1078
1079 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1080             Richard Sandiford  <rdsandiford@googlemail.com>
1081
1082         PR middle-end/50325
1083         PR middle-end/51192
1084         * optabs.h (simplify_expand_binop): Declare.
1085         * optabs.c (simplify_expand_binop): Make global.
1086         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1087         endian targets if the source cannot be exactly covered by word
1088         mode chunks.
1089
1090 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1091
1092         PR bootstrap/51872
1093         * hard-reg-set.h (struct hard_reg_set_container): New type.
1094         * target.h (struct hard_reg_set_container): Forward declare.
1095         * target.def (set_up_by_prologue): New target hook.
1096         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1097         * doc/tm.texi: Regenerated.
1098         * function.c (thread_prologue_and_epilogue_insns): Change
1099         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1100         Call targetm.set_up_by_prologue on it.
1101         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1102         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1103
1104 2012-01-17  Nick Clifton  <nickc@redhat.com>
1105
1106         * config/rx/rx.c (rx_can_use_simple_return): New function.
1107         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1108         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1109
1110 2012-01-17  Richard Guenther  <rguenther@suse.de>
1111
1112         PR middle-end/51782
1113         * expr.c (expand_assignment): Take address-space information
1114         from the address operand of MEM_REF and TARGET_MEM_REF.
1115         (expand_expr_real_1): Likewise.
1116
1117 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1118
1119         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1120         reload dump is requested.
1121
1122 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1123
1124         PR other/51165
1125         * trans-mem.c (requires_barrier): Call may_be_aliased.
1126
1127 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1128
1129         PR tree-optimization/51877
1130         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1131         call arguments and fndecls compare equal, instead return false if they
1132         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1133         both SSA_NAMEs that are valueized the same, or they satisfy
1134         operand_equal_p.
1135
1136 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1137
1138         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1139         Solaris 11+.
1140         * configure: Regenerate.
1141
1142 2012-01-16  Jan Hubicka  <jh@suse.cz>
1143
1144         PR c/12245
1145         PR c++/14179
1146         * convert.c (convert_to_integer): Use fold_convert for
1147         converting an INTEGER_CST to integer type.
1148
1149 2012-01-16  Jason Merrill  <jason@redhat.com>
1150
1151         PR c++/14179
1152         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1153
1154 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1155
1156         PR bootstrap/51860
1157         * config/s390/s390.c (s390_chunkify_start): Don't skip
1158         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1159         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1160         If insn is followed by NOTE_INSN_VAR_LOCATION or
1161         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1162         Don't use location of note insns.
1163
1164         PR tree-optimization/51865
1165         * tree-inline.c (tree_function_versioning): Call remap_decl
1166         on DECL_RESULT whenever it has VOID_TYPE_P type.
1167
1168 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1169
1170         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1171         for calls to locally-binding MIPS16 functions if only the return
1172         type uses float regs.
1173
1174 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1175             Richard Sandiford  <rdsandiford@googlemail.com>
1176
1177         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1178         (SYMBOL_32_HIGH): Likewise.
1179         (mips_output_tls_reloc_directive): Declare.
1180         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1181         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1182         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1183         (mips_lo_relocs, mips_hi_relocs): Make extern.
1184         (mips16_stub_function): Move up file.
1185         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1186         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1187         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1188         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1189         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1190         (mips_get_tp): Add MIPS16 support.
1191         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1192         Generalize DTPREL and TPREL handling.
1193         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1194         Add MIPS16 TLS support.
1195         (mips_output_tls_reloc_directive): New function.
1196         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1197         * config/mips/predicates.md (symbolic_operand_with_high)
1198         (tls_reloc_operand): New predicates.
1199         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1200         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1201         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1202         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1203         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1204         (*tls_get_tp_mips16_call_<mode>): Likewise.
1205
1206 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1207
1208         PR rtl-optimization/51821
1209         * recog.c (peep2_find_free_register): Determine clobbered registers
1210         from insn pattern.
1211
1212 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1213
1214         PR target/50925
1215         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1216         * config/avr/avr.c: Likewise.
1217         * config/avr/avr.h: Likewise.
1218
1219 2012-01-13  Ian Lance Taylor  <iant@google.com>
1220
1221         PR c++/50012
1222         * tree.h (TYPE_QUALS): Add cast to int.
1223         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1224
1225 2012-01-13  Ian Lance Taylor  <iant@google.com>
1226
1227         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1228         comparing param_index to VEC_length result.
1229
1230 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1231
1232         * c-decl.c: Do not include tree-mudflap.h
1233         * tree-optimize.c: Likewise.
1234         * Makefile.in: Update dependencies.
1235
1236 2012-01-13  Richard Guenther  <rguenther@suse.de>
1237
1238         PR middle-end/8081
1239         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1240         variable-sized result always use RSO.
1241
1242 2012-01-12  DJ Delorie  <dj@redhat.com>
1243
1244         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1245         pointer type, not just the default pointer type.
1246
1247 2012-01-09  Richard Henderson  <rth@redhat.com>
1248             Denis Chertykov  <chertykov@gmail.com>
1249
1250         PR target/50925
1251         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1252         * config/avr/avr.c (avr_can_eliminate): Simplify.
1253         (avr_initial_elimination_offset): Likewise.
1254         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1255         (expand_epilogue): Likewise.
1256         (avr_legitimize_address): Gut.
1257         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1258         (avr_hard_regno_nregs): New.
1259         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1260         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1261         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1262         add soft frame pointer.
1263         (CALL_USED_REGISTERS): Likewise.
1264         (REG_CLASS_CONTENTS): Likewise.
1265         (REGISTER_NAMES): Likewise.
1266         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1267         (HARD_FRAME_POINTER_REGNUM): New.
1268         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1269         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1270         remove the HARD_FRAME_POINTER self-elimination.
1271
1272 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1273
1274         PR target/51756
1275         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1276         DECL_EXTERNAL when checking for initializers of progmem variables.
1277
1278 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1279
1280         PR tree-optimization/51799
1281         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1282         that the last operation is a type demotion.
1283
1284 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1285
1286         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1287         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1288
1289 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1290
1291         PR bootstrap/51796
1292         * combine.c (distribute_notes): If i3 is a noreturn call,
1293         allow old_size to be equal to args_size and make sure the
1294         noreturn call gets REG_ARGS_SIZE note.
1295         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1296         on noreturn calls even when the delta is 0.
1297
1298 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1299
1300         * gcov.c (STRING_SIZE): Remove.
1301         (generate_results): Erase annotations for source files with no
1302         coverage information.
1303         (read_line): New.
1304         (output_lines): Use it.
1305
1306 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1307
1308         * gimple.h (gimplify_body): Remove first argument.
1309         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1310         pointer set here, instead just pass DATA to walk_tree.
1311         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1312         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1313         (unvisit_body): Likewise, but with unmark_visited.
1314         (gimplify_body): Remove BODY_P argument and adjust.
1315         (gimplify_function_tree): Adjust call to gimplify_body.
1316         * omp-low.c (finalize_task_copyfn): Likewise.
1317
1318 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1319
1320         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1321         (build_function_type_skip_args): Delete.
1322         * tree.c (build_function_type_skip_args): Make static and add
1323         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1324         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1325         pass it to build_function_type_skip_args.
1326         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1327         (tree_function_versioning): Likewise.
1328         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1329         build_function_decl_skip_args.
1330         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1331         and pass it to build_function_decl_skip_args/tree_function_versioning.
1332         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1333         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1334         * trans-mem.c (ipa_tm_create_version): Likewise.
1335         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1336         * tree-inline.c (declare_return_variable): Remove always-true test.
1337         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1338         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1339         * ipa-split.c (split_function): Skip the return value for the split
1340         part if it doesn't return.
1341
1342 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1343
1344         PR tree-optimization/49642
1345         * ipa-split.c (forbidden_dominators): New variable.
1346         (check_forbidden_calls): New function.
1347         (dominated_by_forbidden): Likewise.
1348         (consider_split): Check for forbidden dominators.
1349         (execute_split_functions): Initialize and free forbidden
1350         dominators info; call check_forbidden_calls.
1351
1352 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1353
1354         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1355
1356 2012-01-11  Nick Clifton  <nickc@redhat.com>
1357
1358         * config/rx/rx.md (return): Define pattern.
1359
1360 2012-01-11  Richard Guenther  <rguenther@suse.de>
1361
1362         * doc/extend.texi (malloc attribute): Adjust according to
1363         implementation.
1364
1365 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1366             Patrick Marlier  <patrick.marlier@gmail.com>
1367
1368         PR middle-end/51516
1369         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1370         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1371         (ipa_tm_note_irrevocable): Same.
1372         (ipa_tm_scan_irr_block): Same.
1373         (ipa_tm_decrement_clone_counts): Same.
1374         (ipa_tm_scan_irr_function): Same.
1375         (ipa_tm_create_version_alias): Same.
1376         (ipa_tm_create_version): Same.
1377         (ipa_tm_transform_calls_redirect): Same.
1378         (ipa_tm_transform_calls): Same.
1379         (ipa_tm_transform_transaction): Same.
1380         (ipa_tm_execute): Same.
1381
1382 2012-01-10  Richard Guenther  <rguenther@suse.de>
1383
1384         PR middle-end/51806
1385         * opts.c (common_handle_option): Handle -Werror.
1386
1387 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1388
1389         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1390         operand number.
1391
1392 2012-01-10  Jason Merrill  <jason@redhat.com>
1393
1394         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1395         information.
1396
1397 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1398
1399         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1400         supports R_386_TLS_GD_PLT reloc.
1401         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1402         supports R_386_TLS_LDM_PLT reloc.
1403         * configure: Regenerate.
1404         * config.in: Regenerate.
1405
1406 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1407
1408         PR target/49868
1409         Extend __pgmx semantics to linearize memory.
1410         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1411         determine if code comes inline or from libgcc.
1412         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1413         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1414         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1415         (movmemx_qi, movmemx_hi): New insns.
1416         (xload_<mode>_libgcc): Rewrite to new insn condition.
1417         (xload_<mode>): Remove insns.
1418         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1419         cases that don't satisfy avr_xload_libgcc_p().
1420         (avr_addr_space_convert): Allow converting in any direction.
1421         (avr_addr_space_subset_p): Return always true.
1422         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1423         (avr_emit_movmemhi): Ditto.
1424         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1425         (avr_out_movmem): Ditto.
1426         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1427         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1428         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1429         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1430         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1431
1432 2012-01-10  Richard Guenther  <rguenther@suse.de>
1433
1434         PR tree-optimization/50913
1435         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1436         Require data-refs to be representable by Graphite with respect
1437         to any loop nest.
1438
1439 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1440
1441         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1442         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1443
1444 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1445
1446         PR rtl-optimization/51271
1447         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1448         handling annulled branch.
1449
1450 2012-01-10  Richard Henderson  <rth@redhat.com>
1451
1452         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1453         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1454         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1455         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1456         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1457         arm_expand_vec_perm_const): New.
1458         * config/arm/arm-protos.h: Update.
1459         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1460         (*neon_vswp<VDQX>): New.
1461         (neon_vcombine<VDX>): Use neon_split_vcombine.
1462         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1463         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1464         (vec_perm<VE>): New.
1465
1466 2012-01-10  Richard Henderson  <rth@redhat.com>
1467
1468         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1469         use it if reload_completed.
1470         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1471         arm_output_asm_insn, arm_process_output_memory_barrier,
1472         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1473         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1474         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1475         arm_process_output_sync_insn, arm_output_sync_insn,
1476         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1477         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1478         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1479         (emit_unlikely_jump): New.
1480         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1481         (arm_split_atomic_op): New.
1482         * config/arm/arm-protos.h: Update.
1483         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1484         (struct arm_sync_generator): Remove.
1485         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1486         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1487         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1488         (VUNSPEC_LL, VUNSPEC_SC): New.
1489         (sync_result, sync_memory, sync_required_value, sync_new_value,
1490         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1491         (attr length): Don't use arm_sync_loop_insns.
1492         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1493         (movsfcc, movdfcc): Likewise.
1494         * config/arm/constraints.md (Ua): New.
1495         * config/arm/prediates.md (mem_noofs_operand): New.
1496         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1497         (sync_clobber, sync_t2_reqd): Remove.
1498         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1499         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1500         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1501         (arm_sync_compare_and_swap<SIDI>): Remove.
1502         (arm_sync_compare_and_swap<NARROW>): Remove.
1503         (arm_sync_lock_test_and_set<SIDI>): Remove.
1504         (arm_sync_lock_test_and_set<NARROW>): Remove.
1505         (arm_sync_new_<syncop><SIDI>): Remove.
1506         (arm_sync_new_<syncop><NARROW>): Remove.
1507         (arm_sync_new_nand<SIDI>): Remove.
1508         (arm_sync_new_nand<NARROW>): Remove.
1509         (arm_sync_old_<syncop><SIDI>): Remove.
1510         (arm_sync_old_<syncop><NARROW>): Remove.
1511         (arm_sync_old_nand<SIDI>): Remove.
1512         (arm_sync_old_nand<NARROW>): Remove.
1513         (*memory_barrier): Merge arm_output_memory_barrier.
1514         (atomic_compare_and_swap<QHSD>): New.
1515         (atomic_compare_and_swap<NARROW>_1): New.
1516         (atomic_compare_and_swap<SIDI>_1): New.
1517         (atomic_exchange<QHSD>): New.
1518         (cas_cmp_operand, cas_cmp_str): New.
1519         (atomic_op_operand, atomic_op_str): New.
1520         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1521         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1522         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1523         (arm_load_exclusive<NARROW>): New.
1524         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1525         (arm_store_exclusive<QHSD>): New.
1526
1527 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1528
1529         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1530         reload patterns if -mvsx-scalar-memory.
1531
1532         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1533         generated, even -mno-vsx-scalar-double was used.
1534         (vsx_xscvdpsp_scalar): Likewise.
1535         (vsx_xscvspdp_scalar2): Likewise.
1536
1537 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1538             Andrew Pinski  <apinski@cavium.com>
1539
1540         PR debug/51471
1541         * reorg.c (fill_slots_from_thread): Don't speculate
1542         frame-related insns.
1543
1544 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1545
1546         * sched-int.h (bb_note): Move to...
1547         * basic-block.h: ...here.
1548         * haifa-sched.c (bb_note): Move to...
1549         * cfgrtl.c: ...here.
1550         * function.c (next_block_for_reg): New function.
1551         (move_insn_for_shrink_wrap): Likewise.
1552         (prepare_shrink_wrap): Rewrite to use the above.
1553
1554 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1555
1556         * gimple.c (is_gimple_non_addressable): Remove.
1557         * gimple.h: Remove is_gimple_non_addressable.
1558         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1559         is_gimple_non_addressable.
1560         * trans-mem.c (expand_assign_tm): Same.
1561
1562 2012-01-09  Richard Guenther  <rguenther@suse.de>
1563
1564         PR tree-optimization/51775
1565         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1566         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1567
1568 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1569
1570         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1571         tuning parameters.
1572         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1573
1574 2012-01-09  Richard Guenther  <rguenther@suse.de>
1575
1576         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1577
1578 2012-01-08  Jan Hubicka  <jh@suse.cz>
1579
1580         PR tree-optimize/51680
1581         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1582         on when known_vals needs to be computed; cleanup.
1583
1584 2012-01-08  Jan Hubicka  <jh@suse.cz>
1585
1586         PR tree-optimize/51694
1587         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1588
1589 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1590
1591         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1592         for -std=c++98 and -std=c++11 too.
1593
1594 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1595
1596         * cfgloop.c (cancel_loop): Add free() of bbs array.
1597
1598 2012-01-07  Jan Hubicka  <jh@suse.cz>
1599
1600         PR tree-optimization/51600
1601         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1602         that benefits small functions.
1603
1604 2012-01-07  Jan Hubicka  <jh@suse.cz>
1605
1606         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1607
1608 2012-01-07  Jan Hubicka  <jh@suse.cz>
1609
1610         PR tree-optimization/51680
1611         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1612         whose inlining reduce unit size.
1613
1614 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1615
1616         PR bootstrap/51725
1617         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1618         Add canonical node to containing_mem chain after the non-canonical
1619         one, even if there weren't any locs to propagate.
1620         (remove_useless_values): Keep only canonical values.
1621         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1622         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1623         canonicalize mem_chain elements that are not discarded.
1624
1625 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1626
1627         PR target/47333
1628         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1629         before emitting functions.
1630
1631         PR gcov-profile/50127
1632         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1633         clear_aux_for_blocks.
1634
1635 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1636
1637         PR debug/51746
1638         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1639
1640 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1641
1642         * c-decl.c (ext_block): Moved up.
1643         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1644
1645 2012-01-06  Han Shen  <shenhan@google.com>
1646
1647         Translate built-in include paths for sysroot.
1648         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1649         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1650
1651         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1652         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1653
1654         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1655         control whether sysroot should be prepended to gxx include dir.
1656
1657         * configure: Regenerate.
1658
1659 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1660
1661         PR rtl-optimization/51771
1662         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1663         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1664
1665 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1666
1667         PR tree-optimization/51315
1668         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1669         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1670
1671 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1672
1673         PR target/51681
1674         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1675         for shrp pattern.  Correctly handle and fixup shift variable.
1676         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1677
1678 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR debug/51762
1681         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1682         note when !ACCUMULATE_OUTGOING_ARGS.
1683
1684 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1685
1686         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1687         condition.
1688         (extract_range_from_unary_expr_1): Avoid useless computations.
1689
1690 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1691
1692         PR rtl-optimization/51767
1693         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1694         of jump_block and add an extra edge for degenerated asm gotos.
1695
1696         PR middle-end/51768
1697         * stmt.c (check_unique_operand_names): Don't ICE during error
1698         reporting if i is from labels chain.
1699
1700         PR middle-end/44777
1701         * profile.c (branch_prob): Split bbs that have exit edge
1702         and need a fake entry edge too.
1703
1704 2012-01-05  Jan Hubicka  <jh@suse.cz>
1705
1706         PR middle-end/49710
1707         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1708         unlooping loops.
1709
1710 2012-01-05  Richard Guenther  <rguenther@suse.de>
1711
1712         PR lto/50490
1713         * tree-streamer-out.c (write_ts_optimization): New function.
1714         (streamer_write_tree_body): Call it.
1715         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1716         (streamer_read_tree_body): Call it.
1717         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1718
1719 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1720
1721         PR middle-end/51761
1722         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1723         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1724         in_cleanup_point_expr before gimplify_stmt call and restore it
1725         afterwards.
1726         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1727         in_cleanup_point_expr is false.
1728
1729 2012-01-05  Richard Guenther  <rguenther@suse.de>
1730
1731         PR middle-end/51764
1732         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1733         to c.opt.
1734         * toplev.c (process_options): Reject combining mudflap and LTO.
1735         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1736
1737 2012-01-05  Richard Guenther  <rguenther@suse.de>
1738
1739         PR tree-optimization/51760
1740         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1741         not VARYING.
1742         (bit_value_unop): Handle UNDEFINED operands.
1743         (bit_value_binop): Likewise.
1744
1745 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1746
1747         * config/avr/avr.c (avr_replace_prefix): Remove.
1748         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1749         (avr_asm_function_rodata_section): Ditto.
1750         (avr_asm_select_section): Ditto.
1751
1752 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1753
1754         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1755         insertion.
1756
1757 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1758
1759         PR bootstrap/51648
1760         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1761         calls that have any non-fake successor edges.
1762
1763         PR debug/51746
1764         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1765
1766 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1767
1768         PR tree-optimization/51624
1769         * tree-sra.c (build_ref_for_model): When replicating a chain of
1770         COMPONENT_REFs, stop as soon as the offset would become negative.
1771
1772 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1773
1774         PR debug/51695
1775         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1776         in .debug_loc on the floor.
1777
1778 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1779
1780         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1781
1782 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1783             Adam Nemet  <anemet@caviumnetworks.com>
1784
1785         * config/mips/mips.md (size): Add SI and DI.
1786         (SIZE): New mode attribute.
1787         (U): New code attribute.
1788         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1789         (mips_lbux_<mode>): Delete.
1790         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1791         (mips_lhx): Use gen_mips_lhx_extsi.
1792         (mips_lhx_<mode>): Delete.
1793         (mips_lwx): Delete.
1794         (mips_l<size>x): New expand.
1795         (mips_lwx_<mode>): Delete.
1796         (mips_l<GPR:size>x_<P:mode>): New pattern.
1797         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1798         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1799         * config/mips/mips.c (mips_lx_address_p): New function.
1800         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1801         (dsp64): New availability predicate.
1802         (mips_builtins): Add an entry for __builtin_mips_ldx.
1803         * config/mips/mips.h (ISA_HAS_LBX): New define.
1804         (ISA_HAS_LBUX): Likewise.
1805         (ISA_HAS_LHX): Likewise.
1806         (ISA_HAS_LHUX): Likewise.
1807         (ISA_HAS_LWX): Likewise.
1808         (ISA_HAS_LWUX): Likewise.
1809         (ISA_HAS_LDX): Likewise.
1810         * doc/extend.texi (__builtin_mips_ldx): Document.
1811
1812 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1813
1814         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1815         when long pointers are used.
1816         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1817         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1818         (ia64-hp-*vms*): Remove.
1819         * config/vms/xm-vms64.h: Delete.
1820
1821 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1822
1823         PR middle-end/51472
1824         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1825
1826 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1827
1828         * opts.c (finish_options): Remove duplicate sorry.
1829
1830 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1831
1832         PR middle-end/51696
1833         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1834         correctly.
1835
1836 2012-01-04  Richard Guenther  <rguenther@suse.de>
1837
1838         PR middle-end/51750
1839         * tree.c (size_low_cst): New function.
1840         * tree.h (size_low_cst): Declare.
1841         * fold-const.c (fold_comparison): Use it to extract the low
1842         part of the POINTER_PLUS_EXPR offset.
1843
1844 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1845
1846         Fix clearing ZERO_REG
1847         * config/avr/avr.md (cc): Add alternative "ldi".
1848         (movqi_insn): Use it in cc attribute.
1849         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1850         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1851         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1852
1853 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1854
1855         * configure: Regenerate.
1856
1857 2012-01-04  Richard Guenther  <rguenther@suse.de>
1858
1859         PR tree-optimization/49651
1860         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1861         (var_can_have_subvars): Use it.
1862         (get_constraint_for_1): Only consider subfields if there can be any.
1863
1864 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1865
1866         PR bootstrap/51725
1867         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1868         to its new canonical_cselib_val and the cselib_val was in
1869         first_containing_mem chain, but the canonical_cselib_val was not,
1870         add the latter into the chain.
1871         (cselib_invalidate_mem): Compare canonical_cselib_val of
1872         addr_list chain elt with v.
1873
1874         PR pch/51722
1875         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1876         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1877         of xstrdup.
1878         (output_macinfo_op): Don't ggc_strdup fd->filename.
1879         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1880         then ggc_strdup it.  Don't free inc->info or cur->info.
1881         (output_macinfo): Don't free ref->info or file->info.
1882
1883 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1884
1885         PR tree-optimization/51269
1886         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1887         first_niters a pointer.
1888         (slpeel_tree_peel_loop_to_edge): Likewise.
1889         (vect_do_peeling_for_loop_bound): Update call to
1890         slpeel_tree_peel_loop_to_edge.
1891         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1892         here.  Remove it from the parameters list.
1893         (vect_do_peeling_for_alignment): Update calls and compute
1894         wide_prolog_niters.
1895
1896 2012-01-03  Richard Guenther  <rguenther@suse.de>
1897
1898         PR tree-optimization/51070
1899         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1900         Properly handle calls.
1901
1902 2012-01-03  Richard Guenther  <rguenther@suse.de>
1903
1904         PR tree-optimization/51692
1905         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1906         the LHS of allocation stmts.
1907
1908 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1909
1910         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1911
1912 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1913
1914         * collect2.c (main): In AIX specific computations for vector
1915         insertions, use CONST_CAST2 to cast from char ** to const char **.
1916
1917 2012-01-03  Richard Guenther  <rguenther@suse.de>
1918
1919         PR debug/51650
1920         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1921         the context of a limbo DIE when it does not already exist.
1922
1923 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1924
1925         PR tree-optimization/51719
1926         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1927         but direct call is, clear direct call's lhs and don't add fallthrough
1928         edge from dcall_bb to join_bb and PHIs.
1929
1930 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1931
1932         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1933         the instructions emitted by the pattern.
1934         ("*TDC_insn_<mode>"): Add comment.
1935
1936 2012-01-03  Richard Guenther  <rguenther@suse.de>
1937
1938         PR middle-end/51730
1939         * fold-const.c (fold_comparison): Properly canonicalize
1940         tree offset and HOST_WIDE_INT bit position.
1941
1942 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1943
1944         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1945         operands for extzv pattern.
1946
1947 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1948
1949         PR bootstrap/51725
1950         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1951         on mem_elt first.
1952
1953 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1954
1955         * doc/invoke.texi (-flto and related options): Copy-edit.
1956
1957 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1958
1959         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1960
1961 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1962
1963         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1964         New patterns.
1965
1966 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1967
1968         * expr.h (move_by_pieces_ninsns): Declare.
1969         * expr.c (move_by_pieces_ninsns): Make external.
1970         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1971         (mips_store_by_pieces_p): Likewise.
1972         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1973         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1974         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1975         (mips_store_by_pieces_p): Likewise.
1976
1977 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1978
1979         * passes.c (register_one_dump_file): Free full_name.
1980
1981         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1982         (calculate_elim_costs_all_insns): Free offsets_at and
1983         offsets_known_at at the end and clear the pointers.
1984
1985 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1986
1987         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1988         this option introduced in r180739.
1989
1990 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1991
1992         PR target/51345
1993         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1994         (tmake_file target=avr): Add avr/t-multilib.
1995
1996         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1997         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1998         * config/avr/genmultilib.awk: New file.
1999         * config/avr/t-multilib: New auto-generated file.
2000         * config/avr/multilib.h: New auto-generated file.
2001         * config/avr/t-avr (AVR_MCUS): New variable.
2002         (genopt.sh): Use it.
2003         (s-mlib): Depend on t-multilib.
2004         (t-multilib, multilib.h): New dependencies.
2005         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2006         (MULTILIB_OPTIONS): Remove.
2007         (MULTILIB_MATCHES): Remove.
2008         (MULTILIB_DIRNAMES): Remove.
2009         (MULTILIB_EXCEPTIONS): Remove:
2010         * config/avr/genopt.sh: Don't use hard coded file name;
2011         pass AVR_MCUS from t-avr instead.
2012
2013 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2014
2015         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2016
2017 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2018
2019         Implement light-weight DImode support.
2020         * config/avr/avr-dimode.md: New file.
2021         * config/avr/avr.md: Include it.
2022         (adjust_len): Add plus64, compare64.
2023         (HIDI): Remove code iterator.
2024         (code_stdname): New code attribute.
2025         (rotx, rotsmode): Remove DI.
2026         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2027         as code iterator.
2028         * config/avr/avr-protos.h (avr_have_dimode): New.
2029         (avr_out_plus64, avr_out_compare64): New.
2030         * config/avr/avr.c (avr_out_compare): Handle DImode.
2031         (avr_have_dimode): New variable definition and initialization.
2032         (avr_out_compare64, avr_out_plus64): New functions.
2033         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2034         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2035         (avr_compare_pattern): Skip DImode comparisons.
2036
2037 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2038
2039         * ddg.c (def_has_ccmode_p): New function.
2040         (add_cross_iteration_register_deps,
2041         create_ddg_dep_from_intra_loop_link): Call it.
2042
2043 2012-01-02  Richard Guenther  <rguenther@suse.de>
2044
2045         PR other/51679
2046         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2047
2048 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2049
2050         * gcc.c (process_command): Update copyright notice dates.
2051         * gcov.c (print_version): Likewise.
2052         * gcov-dump.c (print_version): Likewise.
2053         * mips-tfile.c (main): Likewise.
2054         * mips-tdump.c (main): Likewise.
2055
2056 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2057
2058         PR tree-optimization/51704
2059         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2060         a use is inside the basic block or loop before accessing its vect info.
2061
2062 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2063
2064         PR rtl-optimization/51069
2065         * cfgloopmanip.c (remove_path): Removing path making irreducible
2066         region unconditional makes BB part of the region.
2067
2068 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2069
2070         PR tree-optimization/51683
2071         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2072         calls with side-effects.
2073         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2074 \f
2075 Copyright (C) 2012 Free Software Foundation, Inc.
2076
2077 Copying and distribution of this file, with or without modification,
2078 are permitted in any medium without royalty provided the copyright
2079 notice and this notice are preserved.