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PR middle-end/51994
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1 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2
3         PR middle-end/51994
4         * expr.c (get_inner_reference): If there is an offset, add a negative
5         bit position to it (if any).
6
7 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
8
9         PR rtl-optimization/52060
10         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
11         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
12         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
13         and/or i0src_copy2 when needed.
14
15 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
16
17         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
18         or LTOPLUGINSONAME if have_c.
19
20         * config/freebsd-spec.h: Add comment about what macros can be defined
21         in this header.
22         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
23         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
24         here instead.
25
26 2012-02-07  Richard Guenther  <rguenther@suse.de>
27
28         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
29         newline in -alias dumps.
30
31 2012-02-07  Kai Tietz  <ktietz@redhat.com>
32             Dave Korn  <dave.korn.cygwin@gmail.com>
33
34         PR target/40068
35         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
36         Take care that typinfo gets dllexport-attribute.
37
38 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
39
40         PR middle-end/52074
41         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
42         if modifier < EXPAND_SUM call force_operand on the result.
43
44 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
45
46         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
47         adding __forwarder_dst__ prefix if a forwarder_section attribute is
48         present.
49         (epiphany_function_type): Replace types for specific interrupts with
50         EPIPHANY_FUNCTION_INTERRUPT.
51         (EPIPHANY_INTERRUPT_P): Update.
52         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
53         New static function.
54         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
55         <disinterrupt>: Affects type identity.
56         (epiphany_handle_interrupt_attribute): Handle variable number of
57         arguments.
58         (epiphany_compute_function_type): Update for new
59         epiphany_function_type definition.
60         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
61         handlers with a longcall forwarder.
62         (epiphany_start_function): Handle multiple interrupt arguments and/or
63         forwarder_section attribute.
64
65         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
66
67 2012-02-07  Alan Modra  <amodra@gmail.com>
68
69         PR target/52107
70         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
71         subregs of TFmode.
72
73 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
74
75         PR tree-optimization/50969
76         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
77         use vec_perm rather than vector_stmt.
78         (vect_model_load_cost): Likewise.
79         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
80         vec_perm to be the same as other vector statements.
81         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
82         cost of vec_perm for TARGET_VSX.
83
84 2012-02-06  Richard Guenther  <rguenther@suse.de>
85
86         PR tree-optimization/52115
87         * tree-sra.c (access_has_replacements_p): New function.
88         (sra_modify_assign): Use it to decide whether a use is uninitialized.
89
90 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
91
92         PR middle-end/52047
93         * trans-mem.c (expand_call_tm): Add an assertion.
94         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
95         functions.
96
97 2012-02-06  Richard Guenther  <rguenther@suse.de>
98
99         PR tree-optimization/50955
100         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
101         raise cost of expressions that replace an address with an
102         expression based on a different pointer.
103
104 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
105
106         PR target/52129
107         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
108         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
109
110 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
111
112         PR c++/48680
113         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
114         -Weffc++ and specify guidelines come from second edition.
115
116 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
117
118         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
119         (sibcall_value_multiple_internal, call_split, call_internal_direct)
120         (call_direct_split, call_value_split, call_value_internal_direct)
121         (call_value_direct_split, call_value_multiple_split): Use jal and
122         jal_macro attributes.
123
124 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
125
126         * reload1.c (reload_regs_reach_end_p): Replace with...
127         (reload_reg_rtx_reaches_end_p): ...this function.
128         (new_spill_reg_store): Update commentary.
129         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
130         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
131         before setting new_spill_reg_store.
132         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
133         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
134         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
135         for non-spill reload registers.
136
137 2012-02-05  Ira Rosen  <irar@il.ibm.com>
138
139         PR tree-optimization/52091
140         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
141         (vect_is_simple_use_1): Likewise.
142         * tree-vect-loop.c (vectorizable_reduction): Update calls
143         to vect_is_simple_use_1 and vect_is_simple_use.
144         (vectorizable_live_operation): Likewise.
145         * tree-vect-patterns.c (widened_name_p,
146         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
147         Likewise.
148         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
149         vectorizable_call, vectorizable_conversion,
150         vectorizable_assignment, vectorizable_shift,
151         vectorizable_operation, vectorizable_store, vectorizable_load):
152         Likewise.
153         (vect_is_simple_cond): Add an argument, pass it to
154         vect_is_simple_use_1.
155         (vectorizable_condition): Update calls to vect_is_simple_cond,
156         vect_is_simple_use.
157         (vect_is_simple_use): Add an argument, the statement in which
158         OPERAND is used.  Check that if OPERAND's def stmt is a double
159         reduction phi node, the use is a phi node too.
160         (vect_is_simple_use_1): Add an argument, pass it to
161         vect_is_simple_use.
162         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
163         to vect_is_simple_use.
164
165 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
166
167         PR rtl-optimization/52095
168         * modulo-sched.c (dump_insn_locator): New function.
169         (loop_canon_p, sms_schedule): Use it.
170
171         PR rtl-optimization/52113
172         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
173         even for decomposable shift/zext insns.
174
175 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
176             Zdenek Dvorak  <ook@ucw.cz>
177
178         PR rtl-optimization/52092
179         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
180         on get_iv_value result.
181
182 2012-02-02  Andrew Pinski  <apinski@cavium.com>
183
184         PR middle-end/47982
185         PR middle-end/43967
186         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
187
188 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
189
190         PR middle-end/48071
191         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
192
193 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
194
195         PR rtl-optimization/49800
196         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
197         (sched_finish): Call regstat_free_n_sets_and_refs.
198
199 2012-02-02  Jia Liu  <proljc@gmail.com>
200
201         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
202         than operand 2.
203
204 2012-02-02 Jan Hubicka  <jh@suse.cz>
205            Tom de Vries  <tom@codesourcery.com>
206
207         PR middle-end/51998
208         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
209         * varpool.c (varpool_analyze_pending_decls): Likewise.
210
211 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
212             Jayant R Sonar <jayant.sonar@kpitcummins.com>
213
214         * config.gcc: Add cr16-* support.
215
216         * doc/extend.texi: Document cr16 extensions.
217         * doc/install.texi: Document cr16 install.
218         * doc/invoke.texi: Document cr16 options.
219         * doc/md.texi: Document cr16 constraints.
220
221         * common/config/cr16/cr16-common.c: New file.
222         * config/cr16/cr16.c: New file.
223         * config/cr16/cr16.h: New file.
224         * config/cr16/cr16.md: New file.
225         * config/cr16/cr16.opt: New file.
226         * config/cr16/cr16-protos.h: New file.
227         * config/cr16/predicates.md: New file.
228         * config/cr16/constraints.md: New file.
229         * config/cr16/t-cr16: New file.
230
231 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
232
233         PR target/52086
234         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
235         that operands[2] is either immediate, or q_regs_operand.
236
237         PR tree-optimization/52073
238         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
239         a pattern stmt for pattern uses, ignore uses outside of the loop.
240
241 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
242
243         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
244         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
245         (OUT_AS1, OUT_AS2): Remove.
246
247 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
248
249         PR rtl-optimization/51374
250         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
251         to cross other volatile_refs_p insns.
252
253 2012-02-01  Richard Guenther  <rguenther@suse.de>
254
255         * doc/invoke.texi (fno-inline): Clarify documentation.
256         (finline-small-functions): Likewise.
257         (finline-functions): Likewise.
258         * common.opt (finline): Adjust comment and documentation.
259         (finline-small-functions): Clarify documentation.
260         (finline-functions): Likewise.
261         (finline-functions-called-once): Likewise.
262
263 2012-02-01  Tristan Gingold  <gingold@adacore.com>
264
265         * c-typeck.c (composite_type): Keep mode for pointers.
266
267 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
268
269         * function.h (regno_reg_rtx): Adjust comment.
270         * reginfo.c (init_reg_modes_target): Only use the previous mode
271         if it fits within one register.  Remove MIPS comment.
272
273 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
274
275         PR bootstrap/52058
276         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
277
278 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
279
280         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
281         to srak instruction.
282
283 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
284
285         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
286         condition.
287
288 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
289
290         PR bootstrap/52041
291         PR bootstrap/52039
292         PR target/51974
293         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
294
295 2012-01-31  Richard Guenther  <rguenther@suse.de>
296
297         PR tree-optimization/51528
298         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
299         assigns.
300
301 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
302
303         PR bootstrap/52041
304         PR bootstrap/52039
305         PR target/51974
306         * ree.c (add_removable_extension): Change def_map argument
307         to unsigned *, store in def_map 1 + offset into *insn_list vector
308         instead of pointers into the vector.
309         (find_removable_extensions): Adjust caller.
310
311 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
312
313         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
314         Transform all "* quoted-c-code" to { c-code }.
315         Remove redundant test for "optimize" in combine patterns.
316         Move (include "avr-dimode.md") to end of file.
317
318 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
319
320         PR target/51835
321         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
322         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
323
324 2012-01-30  Richard Guenther  <rguenther@suse.de>
325
326         PR tree-optimization/52028
327         * tree-loop-distribution.c (ldist_gen): Properly update
328         virtual SSA form.
329
330 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
331
332         PR debug/52027
333         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
334         set_cur_line_info_table if not emitting debug info.
335
336         PR tree-optimization/52046
337         * tree-vect-patterns.c (check_bool_pattern): Give up if
338         a comparison could throw.
339
340         PR debug/52048
341         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
342
343 2012-01-30  Richard Guenther  <rguenther@suse.de>
344
345         PR tree-optimization/52045
346         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
347         SSA form if cfgcleanup did anything.
348
349 2012-01-30  Richard Guenther  <rguenther@suse.de>
350
351         PR tree-optimization/52045
352         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
353         before computing final todo.
354
355 2012-01-30  Richard Guenther  <rguenther@suse.de>
356
357         PR tree-optimization/51528
358         * tree-sra.c (sra_modify_assign): Re-factor in preparation
359         for PR51528 fix.
360
361 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
362
363         * df-problems.c (df_kill_notes): Check that the use refers
364         to the note under examination.
365
366 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
367
368         PR target/51920
369         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
370         parameter and use short-lived pseudos.
371         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
372         (sparc_expand_vector_init): Const-ify local variables and adjust
373         calls to above functions.
374
375 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
376
377         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
378
379 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
380
381         * doc/invoke.texi: Make usage of "compile time" and
382         "run time"/"runtime" consistent throughout the file.
383
384 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
385
386         * config/alpha/alpha.c (alpha_option_overrride): Default to
387         full IEEE compliance mode for Go language.
388
389 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
390
391         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
392         (LINK_SSP_SPEC): Define.
393
394 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
395
396         PR target/51871
397         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
398         stubs.
399
400 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
401
402         * doc/invoke.texi: Correct hyphenation of "floating point",
403         "double precision", and related terminology throughout the file.
404
405 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
406
407         PR target/52006
408         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
409         arm_general_register_operand predicate for operand 2 instead of
410         register_operand.
411
412 2012-01-27  Ian Lance Taylor  <iant@google.com>
413
414         PR go/47656
415         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
416         * builtins.c (expand_builtin_init_trampoline): Add onstack
417         parameter.  Change caller.
418         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
419         * tree.c (build_common_builtin_nodes): Declare
420         __builtin_init_heap_trampoline.
421
422 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
423
424         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
425         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
426         * config/avr/avr.c: Ditto.
427         (avr_regnames): Remove because unused.
428         * config/avr/avr.md (*cpse.ne): New peephole.
429         (*cpse.eq): New peephole from former cpse peepholes.
430
431 2012-01-27  Michael Eager  <eager@eagercon.com>
432
433         * config/microblaze.c (microblaze_emit_compare): Correct
434         test after pcmp instruction.
435
436 2012-01-27  Richard Guenther  <rguenther@suse.de>
437
438         PR tree-optimization/52020
439         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
440
441 2012-01-27  Richard Guenther  <rguenther@suse.de>
442
443         * ipa-pure-const.c (check_stmt): Clobbers do not make a
444         function non-const/pure.
445
446 2012-01-27  Richard Guenther  <rguenther@suse.de>
447
448         PR tree-optimization/50444
449         * tree-sra.c (build_ref_for_offset): Properly adjust the
450         MEM_REF type for unaligned accesses.
451
452 2012-01-27  Richard Guenther  <rguenther@suse.de>
453
454         PR tree-optimization/50444
455         * expr.c (mem_ref_refers_to_non_mem_p): New function.
456         (expand_assignment): Use it.  Properly handle misaligned
457         bases when expanding stores to component references.
458         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
459         refactor that case.
460
461 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
462
463         PR middle-end/51389
464         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
465         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
466         * tree-data-ref.c (find_data_references_in_loop): Make static.
467         (compute_all_dependences): Change return type to bool.  Bail out
468         for too many datarefs in a loop.  Move the hunk resetting the data
469         dependences vector from ...
470         (compute_data_dependences_for_loop): ... here.  Account for
471         compute_all_dependences returning false.
472         (compute_data_dependences_for_bb): Likewise.
473         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
474         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
475
476 2012-01-27  Richard Guenther  <rguenther@suse.de>
477
478         PR middle-end/51959
479         * expr.c (store_field): Use the alias-set of the scratch memory
480         for storing to it.
481
482 2012-01-27  Tom de Vries  <tom@codesourcery.com>
483
484         PR tree-optimization/51990
485         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
486         WITH_SIZE_EXPR.
487         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
488
489 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
490
491         PR debug/52001
492         * var-tracking.c (reverse_op): Don't add any reverse operation
493         if V already has any constant locations.
494
495 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
496
497         * doc/invoke.texi: Correct usage of "command line" (noun)
498         vs "command-line" (adjective) throughout.
499
500 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
501
502         * doc/invoke.texi (Language Independent Options): Move
503         -Wcoverage-mismatch blurb from here....
504         (Warning Options): ...to here.
505
506 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
507
508         * config/rs6000/rs6000.c (rs6000_option_override_internal):
509         Set rs6000_always_hint to false for 476.
510
511 2012-01-27  Matthias Klose  <doko@ubuntu.com>
512
513         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
514           system root.
515         * incpath.c (add_standard_paths): Likewise.
516
517 2012-01-27  Richard Henderson  <rth@redhat.com>
518
519         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
520         * config/m68k/sync.md (atomic_test_and_set): Rename from
521         sync_test_and_setqi and adjust the operands.
522         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
523         and unconditionally enable.
524
525 2012-01-27  Richard Henderson  <rth@redhat.com>
526
527         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
528         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
529         (ldstub): Rename from ldstubqi.
530         (ldstub<I24MODE>): Remove.
531
532 2012-01-27  Richard Henderson  <rth@redhat.com>
533
534         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
535         * c-cppbuiltin.c (cpp_atomic_builtins): Define
536         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
537         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
538         * doc/tm.texi: Rebuild.
539
540 2012-01-27  Richard Henderson  <rth@redhat.com>
541
542         * optabs.c (gen_atomic_test_and_set): Remove default.
543         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
544
545 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
546
547         PR rtl-optimization/51978
548         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
549         (combine_reaching_defs): Likewise.
550         (struct re_info): Remove.
551         (add_removable_extension): Remove x and data arguments,
552         add insn, insn_list and def_map.  Use the arguments directly
553         instead of using struct re_info.
554         (find_removable_extensions): Don't call add_removable_extension
555         through note_stores, instead just call it with single_set
556         result if non-NULL.
557         (find_and_remove_re): Pass curr_cand->expr instead of
558         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
559
560 2012-01-26  Michael Matz  <matz@suse.de>
561
562         PR tree-optimization/46590
563         * cfgexpand.c: Revert last change (r183305).
564         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
565         regs.
566         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
567         checking for emptiness.
568
569 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
570
571         PR middle-end/51895
572         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
573         non-addressable non-BLKmode base correctly.
574
575 2012-01-26  Michael Matz  <matz@suse.de>
576
577         PR tree-optimization/48794
578         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
579         regions referenced from RESX/EH_DISPATCH.
580
581 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
582
583         * config/s390/s390.h: Make BRANCH_COST an option.
584         * config/s390/s390.opt: New option -mbranch-cost.
585
586 2012-01-26  Richard Henderson  <rth@redhat.com>
587
588         Revert 2012-01-24 change:
589         * trans-mem.c (requires_barrier): Do not instrument thread local
590         variables and emit save/restore for them.
591
592 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
593
594         PR middle-end/51986
595         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
596         for pat == 0.
597
598 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
599
600         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
601         ASM_OPERANDS.
602
603 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
604
605         PR target/49868
606         Rename __pgm to __flash.
607         Rename __pgm1 to __flash1.
608         Rename __pgm2 to __flash2.
609         Rename __pgm3 to __flash3.
610         Rename __pgm4 to __flash4.
611         Rename __pgm5 to __flash5.
612         Rename __pgmx to __memx.
613         * doc/extend.texi (AVR Named Address Spaces)
614         Rename address space names as indicated above.
615         * config/avr/avr.c (avr_addrspace): Ditto.
616
617         * config/avr/avr-protos.h
618         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
619         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
620         * config/avr/predicates.md: Ditto.
621         * config/avr/avr.c Ditto, and
622         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
623         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
624
625         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
626         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
627         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
628         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
629         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
630         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
631         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
632         * config/avr/avr.c: Ditto.
633         * config/avr/avr.md: Ditto.
634
635 2012-01-25  Jason Merrill  <jason@redhat.com>
636
637         PR c++/51992
638         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
639
640 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
641
642         PR tree-optimization/51987
643         * tree-data-ref.c (get_references_in_stmt): Handle references in
644         non-volatile GIMPLE_ASM.
645
646 2012-01-25  Richard Guenther  <rguenther@suse.de>
647
648         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
649         bases are dereferenced.
650
651 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
652
653         PR rtl-optimization/48374
654         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
655
656 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
657
658         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
659         compute_data_dependences_for_loop returns false.
660         * tree-parloops.c (loop_parallel_p): Likewise.
661
662 2012-01-25  Richard Guenther  <rguenther@suse.de>
663
664         * tree.h (get_pointer_alignment_1): Declare.
665         * builtins.c (get_pointer_alignment_1): New function.
666         (get_pointer_alignment): Use it.
667
668 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
669
670         PR rtl-optimization/48308
671         * combine.c (enum undo_kind): Add UNDO_LINKS.
672         (struct undo): Add member l to other_contents and where.
673         (do_SUBST_LINK): New.
674         (SUBST_LINK): New.
675         (try_combine): Handle LOG_LINKS for the dummy i1 case.
676         (undo_all): Handle UNDO_LINKS.
677
678 2012-01-25  Richard Henderson  <rth@redhat.com>
679
680         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
681         mem inputs.
682
683 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
684
685         * optabs.c (gen_atomic_test_and_set): Use each argument.
686
687 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
688
689         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
690         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
691         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
692         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
693         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
694         TARGET_PAIRED_SINGLE_FLOAT.
695
696 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
697
698         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
699         (in_struct, return_val): Remove MEM documentation.
700         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
701         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
702         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
703         and MEM_SCALAR.
704         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
705         * cfgexpand.c (add_alias_set_conflicts): Likewise.
706         * expr.c (store_field): Likewise.
707         * function.c (assign_stack_temp_for_type): Likewise.
708         * ifcvt.c (noce_try_cmove_arith): Likewise.
709         * reload1.c (reload): Likewise.
710         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
711         (alpha_set_memflags): Likewise.
712         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
713
714 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
715
716         * rtl.h (true_dependence, canon_true_dependence): Remove varies
717         parameter.
718         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
719         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
720         (true_dependence_1, true_dependence, canon_true_dependence): Remove
721         varies parameter.
722         * cselib.c (cselib_rtx_varies_p): Delete.
723         (cselib_invalidate_mem): Update call to canon_true_dependence.
724         * dse.c (record_store, check_mem_read_rtx): Likewise.
725         (scan_reads_nospill): Likewise.
726         * cse.c (check_dependence): Likewise.
727         (cse_rtx_varies_p): Delete.
728         * expr.c (safe_from_p): Update call to true_dependence.
729         * ira.c (validate_equiv_mem_from_store): Likewise.
730         (memref_referenced_p): Likewise.
731         * postreload-gcse.c (find_mem_conflicts): Likewise.
732         * sched-deps.c (sched_analyze_2): Likewise.
733         * store-motion.c (load_kills_store): Likewise.
734         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
735         * gcse.c (mems_conflict_for_gcse_p): Likewise.
736         (compute_transp): Update call to canon_true_dependence.
737
738 2012-01-25  Richard Henderson  <rth@redhat.com>
739
740         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
741         (maybe_emit_atomic_test_and_set): New.
742         (expand_sync_lock_test_and_set): Use it.
743         (expand_atomic_test_and_set): Likewise.
744         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
745         the implementation; clarify implementation defined details.
746         * doc/md.texi (atomic_test_and_set): Document.
747
748 2012-01-25  Richard Henderson  <rth@redhat.com>
749
750         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
751
752 2012-01-25  Richard Henderson  <rth@redhat.com>
753
754         PR target/51968
755         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
756         to effect no-op split.
757
758 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
759
760         PR lto/51698
761         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
762         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
763         (BT_FN_VOID_PTR_INT_SIZE): New.
764         (BT_FN_UINT_UINT_VAR): Remove.
765         (BT_FN_UINT32_UINT32_VAR): New.
766         (BT_FN_DOUBLE_VPTR): Remove.
767         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
768
769         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
770         (_ITM_changeTransactionMode): Same.
771         (_ITM_memmoveRtWt): Change return type to void.
772         (_ITM_memcpyRtWt): Same.
773         (_ITM_memsetW): Same.
774         (_ITM_RaRD): Change types to double.
775         (_ITM_RD): Same.
776         (_ITM_RaWD): Same.
777         (_ITM_RfWD): Same.
778
779         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
780
781 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
782             Patrick Marlier  <patrick.marlier@gmail.com>
783
784         * trans-mem.c (requires_barrier): Do not instrument thread local
785         variables and emit save/restore for them.
786
787 2012-01-24  Jason Merrill  <jason@redhat.com>
788
789         PR c++/51812
790         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
791         output static aliases.
792
793 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
794
795         PR driver/47249
796         * common.opt (-pie, -shared, pie, shared): Change from Common to
797         Driver.
798         * gcc.c (display_help): Display help for -pie and -shared.
799
800 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
801
802         PR target/49868
803         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
804         Remove note on size/offset limitation.
805         (AVR Variable Attributes): Add example how to read data located
806         with progmem.  Refer to named address spaces.
807         * doc/invoke.texi (AVR Options): Fix typo.
808
809 2012-01-24  Richard Guenther  <rguenther@suse.de>
810
811         Forward-port to trunk
812         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
813
814         PR middle-end/45678
815         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
816         op0 isn't sufficiently aligned and there is movmisalignM
817         insn for mode, use it to load op0 into a temporary register.
818
819 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
820
821         PR target/51957
822         * target.def (const_not_ok_for_debug_p): New hook.
823         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
824         documentation.
825         * doc/tm.texi: Regenerated.
826         * dwarf2out.c (const_ok_for_output_1): If
827         targetm.const_not_ok_for_debug_p returns true, fail.
828         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
829         function.
830         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
831
832 2012-01-23  Kai Tietz  <ktietz@redhat.com>
833
834         PR target/51900
835         * config/i386/predicates.md (symbolic_operand): Allow
836         UNSPEC_PCREL as PIC expression for lea.
837         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
838         * config/i386/i386.c (ix86_delegitimize_address): Handle
839         UNSPEC_PCREL for none-MEM, too.
840
841 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
842
843         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
844         (ipa_tm_create_version_alias): Same.
845
846 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
847
848         PR libitm/51830
849         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
850         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
851
852 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
853             Patrick Marlier  <patrick.marlier@gmail.com>
854             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
855
856         PR lto/51916
857         * lto-wrapper.c (run_gcc): Pass the LTO section name to
858         simple_object_start_read.
859
860 2012-01-23  Richard Guenther  <rguenther@suse.de>
861
862
863         PR tree-optimization/51895
864         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
865         parameter decomposition into BLKmode components.
866
867 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
868
869         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
870         fake variables for restrict-qualified pointers whose pointed-to type
871         contains a placeholder.
872
873 2012-01-23  Richard Guenther  <rguenther@suse.de>
874
875         PR tree-optimization/51949
876         * ipa-split.c (execute_split_functions): Do not split malloc functions.
877
878 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
879
880         PR rtl-optimization/51933
881         * ree.c (transform_ifelse): Return true right away if dstreg is
882         already wider or equal to cand->mode.
883         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
884         (make_defs_and_copies_lists): Remove defs_list and copies_list
885         arguments, add state argument, just truncate state->work_list
886         instead of always allocating and freeing the vector.  Assert that
887         get_defs succeeds instead of returning 2.  Changed return type to bool.
888         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
889         have ext_src_mode, see if it has been modified already with the
890         right kind of extension and has been extended before from the
891         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
892         just return true.  Remember the original mode in state->modified array.
893         (combine_reaching_defs): Add state argument.  Don't allocate and
894         free here def_list, copied_list and vec vectors, instead just
895         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
896         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
897         Add state variable, clear vectors in it, initialize state.modified
898         if needed.  Free all the vectors at the end and state.modified too.
899         Don't skip a candidate if the extension expression has been modified.
900
901 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
902
903         PR target/47096
904         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
905          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
906         (extra_options) interix.opt -> i386/interix.opt"
907         (extra_objs):Add winnt-stubs.o
908         * configure.ac: Add interix to target_os .comm on PE check.
909         * configure: Regenerate.
910         * config/interix3.h: Delete and move bits to..
911         * config/interix.h: Delete and move bits to..
912         * config/i386/i386-interix3.h: Delete and move bits to..
913         * config/i386/i386-interix.h: ..here.
914         (TARGET_CPU_DEFAULT): Remove redefinition.
915         (TARGET_ASM_CONSTRUCTOR): Undefine.
916         (SUBTARGET_SWITCHES): Define for ms-bitfields.
917         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
918         (PTRDIFF_TYPE): Define.
919         (LONG_DOUBLE_TYPE_SIZE): Define.
920         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
921         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
922         (TARGET_SECTION_TYPE_FLAGS): Define.
923         (ASM_DECLARE_FUNCTION_NAME): Define.
924         (ASM_OUTPUT_EXTERNAL): Define.
925         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
926         (ASM_OUTPUT_ALIGNED_BSS): Define.
927         (PCC_BITFIELD_TYPE_MATTERS): Define.
928         (USE_CONST_SECTION): Define.
929         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
930         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
931         (SUPPORTS_ONE_ONLY): Remove.
932         (I386_PE_STRIP_ENCODING): Define.
933         * config/interix.opt: Delete and move bits to..
934         * config/i386/interix.opt: ..here. New.
935         (mpe-aligned-commons): Add.
936         * config/i386/t-interix: Add copyright header.
937         (winnt-stubs.o): Add rule.
938
939 2012-01-22  Jason Merrill  <jason@redhat.com>
940
941         PR c++/51832
942         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
943         for extra name aliases.
944
945 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
946
947         PR rtl-optimization/51924
948         * ree.c (combine_set_extension): Improve debugging message.
949         (combine_reaching_defs): Likewise.
950         (get_defs): Rename confusingly named variable.
951         (find_and_remove_re): Skip a candidate if the extension expression has
952         been modified.
953
954 2012-01-21  Robert Millan  <rmh@gnu.org>
955             Gerald Pfeifer  <gerald@pfeifer.com>
956
957         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
958         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
959
960 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
961
962         PR tree-optimization/51914
963         * tree-vect-stmts.c (vectorizable_conversion): For
964         cvt_type && modifier == WIDEN, put temporary with cvt_type
965         at the beginning of vec_dsts and set vec_dest to temporary
966         with vectype_out.
967
968 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
969
970         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
971
972 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
973
974         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
975         * config/rs6000/rs6000.c: Likewise.
976
977 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
978
979         PR target/51915
980         * config/arm/arm.c (arm_count_output_move_double_insns): Call
981         output_move_double on a copy of operands array.
982
983 2012-01-20  Cary Coutant  <ccoutant@google.com>
984             Dodji Seketeli  <dodji@redhat.com>
985
986         PR debug/45682
987         * dwarf2out.c (copy_declaration_context): Return ref to parent
988         of declaration DIE, if necessary.
989         (remove_child_or_replace_with_skeleton): Add new parameter; update
990         caller.  Place skeleton DIE under parent DIE of original declaration.
991         Move call to copy_declaration_context to here ...
992         (break_out_comdat_types): ... from here.
993
994 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
995
996         PR rtl-optimization/51856
997         * reload.c (find_reloads_subreg_address): Set the address_reloaded
998         flag to reloaded.
999
1000 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1001
1002         PR target/51819
1003         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1004         hints for neon loads and stores.
1005
1006 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1007
1008         PR target/49868
1009         PR target/50887
1010         * doc/extend.texi (Named Address Spaces): Split into subsections.
1011         (AVR Named Address Spaces): New subsection.
1012         (M32C Named Address Spaces): New subsection.
1013         (RL78 Named Address Spaces): New subsection.
1014         (SPU Named Address Spaces): New subsection.
1015         (Variable Attributes): New anchor "AVR Variable Attributes".
1016         (AVR Variable Attributes): Rewrite and avoid wording
1017         "address space" in this context.
1018         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1019         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1020         (AVR Built-in Macros): New subsubsection therein.
1021         * doc/md.texi (AVR constraints): Remove "C04", "R".
1022
1023 2012-01-20  Richard Guenther  <rguenther@suse.de>
1024
1025         PR tree-optimization/51903
1026         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1027         when removing stmts.
1028
1029 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1030
1031         PR target/50313
1032         * config/arm/arm.c (arm_load_pic_register): Use
1033         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1034         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1035         (arm_pic_static_addr): Likewise.
1036         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1037         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1038         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1039         (pic_load_addr_unified): New.
1040
1041 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1042
1043         PR target/51106
1044         * function.c (instantiate_virtual_regs_in_insn): Use
1045         delete_insn_and_edges when removing a wrong asm insn.
1046
1047 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1048
1049         PR rtl-optimization/40761
1050         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1051         Add new member loop_num.
1052         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1053         (ira_build): Remove the parameter.
1054
1055         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1056         (ira.c): Do not build CFG loops for one region allocation.  Remove
1057         argument from ira_build call.
1058
1059         * ira-build.c (init_loop_tree_node): New function.
1060         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1061         loops are not built.
1062         (more_one_region_p): Check current_loops.
1063         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1064         built.
1065         (add_loop_to_tree): Process loop equal to NULL too.
1066         (form_loop_tree): Separate the case when CFG loops are not built.
1067         Use explicitly number for the root.
1068         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1069         an assertion.
1070         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1071         instead of loop->num.
1072         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1073         (mark_all_loops_for_removal): Ditto.
1074         (remove_unnecessary_regions): Separate the case when CFG loops
1075         are not built.
1076         (ira_build): Remove the parameter.  Use explicit number of regions
1077         when CFG loops are not built.
1078
1079         * ira-color.c (print_loop_title): Separate the case for the root node.
1080         Use loop_num instead of loop->num.
1081         (move_spill_restore): Use loop_num instead of loop->num.
1082
1083         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1084         (change_loop): Ditto.
1085         (change_loop): Use loop_num instead of loop->num.
1086
1087         * ira-lives.c (process_bb_node_lives): Ditto.
1088
1089         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1090
1091         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1092
1093 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1094
1095         PR libmudflap/40778
1096         * tree-mudflap.c (mf_artificial): New function.
1097         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1098         mx_register_decls, mudflap_enqueue_decl): Use it.
1099
1100         PR target/51876
1101         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1102         numbers in the insn pattern.
1103
1104 2012-01-19  Michael Matz  <matz@suse.de>
1105
1106         PR tree-optimization/46590
1107         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1108         use it in remembering which conflicts we already created.
1109         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1110         bitmap.
1111
1112 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1113
1114         PR lto/51280
1115         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1116         (merge_and_complain): Same.
1117
1118 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1119
1120         PR bootstrap/50237
1121         * config/initfini-array.h: Guard content of the header
1122         with #ifdef HAVE_INITFINI_ARRAY.
1123         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1124         Add initfini-array.h to tm_file here.
1125         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1126         * config.gcc: Don't add initfini-array.h to tm_file here.
1127         * configure: Regenerated.
1128
1129 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1130
1131         PR rtl-optimization/51505
1132         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1133         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1134         (df_note_bb_compute): Update the call to df_kill_notes.
1135
1136 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1137
1138         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1139
1140 2012-01-18  Richard Guenther  <rguenther@suse.de>
1141
1142         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1143         of conversions to void *.
1144
1145 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1146             Richard Sandiford  <rdsandiford@googlemail.com>
1147
1148         PR middle-end/50325
1149         PR middle-end/51192
1150         * optabs.h (simplify_expand_binop): Declare.
1151         * optabs.c (simplify_expand_binop): Make global.
1152         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1153         endian targets if the source cannot be exactly covered by word
1154         mode chunks.
1155
1156 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1157
1158         PR bootstrap/51872
1159         * hard-reg-set.h (struct hard_reg_set_container): New type.
1160         * target.h (struct hard_reg_set_container): Forward declare.
1161         * target.def (set_up_by_prologue): New target hook.
1162         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1163         * doc/tm.texi: Regenerated.
1164         * function.c (thread_prologue_and_epilogue_insns): Change
1165         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1166         Call targetm.set_up_by_prologue on it.
1167         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1168         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1169
1170 2012-01-17  Nick Clifton  <nickc@redhat.com>
1171
1172         * config/rx/rx.c (rx_can_use_simple_return): New function.
1173         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1174         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1175
1176 2012-01-17  Richard Guenther  <rguenther@suse.de>
1177
1178         PR middle-end/51782
1179         * expr.c (expand_assignment): Take address-space information
1180         from the address operand of MEM_REF and TARGET_MEM_REF.
1181         (expand_expr_real_1): Likewise.
1182
1183 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1184
1185         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1186         reload dump is requested.
1187
1188 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1189
1190         PR other/51165
1191         * trans-mem.c (requires_barrier): Call may_be_aliased.
1192
1193 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1194
1195         PR tree-optimization/51877
1196         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1197         call arguments and fndecls compare equal, instead return false if they
1198         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1199         both SSA_NAMEs that are valueized the same, or they satisfy
1200         operand_equal_p.
1201
1202 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1203
1204         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1205         Solaris 11+.
1206         * configure: Regenerate.
1207
1208 2012-01-16  Jan Hubicka  <jh@suse.cz>
1209
1210         PR c/12245
1211         PR c++/14179
1212         * convert.c (convert_to_integer): Use fold_convert for
1213         converting an INTEGER_CST to integer type.
1214
1215 2012-01-16  Jason Merrill  <jason@redhat.com>
1216
1217         PR c++/14179
1218         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1219
1220 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1221
1222         PR bootstrap/51860
1223         * config/s390/s390.c (s390_chunkify_start): Don't skip
1224         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1225         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1226         If insn is followed by NOTE_INSN_VAR_LOCATION or
1227         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1228         Don't use location of note insns.
1229
1230         PR tree-optimization/51865
1231         * tree-inline.c (tree_function_versioning): Call remap_decl
1232         on DECL_RESULT whenever it has VOID_TYPE_P type.
1233
1234 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1235
1236         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1237         for calls to locally-binding MIPS16 functions if only the return
1238         type uses float regs.
1239
1240 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1241             Richard Sandiford  <rdsandiford@googlemail.com>
1242
1243         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1244         (SYMBOL_32_HIGH): Likewise.
1245         (mips_output_tls_reloc_directive): Declare.
1246         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1247         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1248         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1249         (mips_lo_relocs, mips_hi_relocs): Make extern.
1250         (mips16_stub_function): Move up file.
1251         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1252         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1253         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1254         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1255         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1256         (mips_get_tp): Add MIPS16 support.
1257         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1258         Generalize DTPREL and TPREL handling.
1259         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1260         Add MIPS16 TLS support.
1261         (mips_output_tls_reloc_directive): New function.
1262         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1263         * config/mips/predicates.md (symbolic_operand_with_high)
1264         (tls_reloc_operand): New predicates.
1265         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1266         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1267         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1268         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1269         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1270         (*tls_get_tp_mips16_call_<mode>): Likewise.
1271
1272 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1273
1274         PR rtl-optimization/51821
1275         * recog.c (peep2_find_free_register): Determine clobbered registers
1276         from insn pattern.
1277
1278 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1279
1280         PR target/50925
1281         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1282         * config/avr/avr.c: Likewise.
1283         * config/avr/avr.h: Likewise.
1284
1285 2012-01-13  Ian Lance Taylor  <iant@google.com>
1286
1287         PR c++/50012
1288         * tree.h (TYPE_QUALS): Add cast to int.
1289         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1290
1291 2012-01-13  Ian Lance Taylor  <iant@google.com>
1292
1293         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1294         comparing param_index to VEC_length result.
1295
1296 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1297
1298         * c-decl.c: Do not include tree-mudflap.h
1299         * tree-optimize.c: Likewise.
1300         * Makefile.in: Update dependencies.
1301
1302 2012-01-13  Richard Guenther  <rguenther@suse.de>
1303
1304         PR middle-end/8081
1305         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1306         variable-sized result always use RSO.
1307
1308 2012-01-12  DJ Delorie  <dj@redhat.com>
1309
1310         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1311         pointer type, not just the default pointer type.
1312
1313 2012-01-09  Richard Henderson  <rth@redhat.com>
1314             Denis Chertykov  <chertykov@gmail.com>
1315
1316         PR target/50925
1317         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1318         * config/avr/avr.c (avr_can_eliminate): Simplify.
1319         (avr_initial_elimination_offset): Likewise.
1320         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1321         (expand_epilogue): Likewise.
1322         (avr_legitimize_address): Gut.
1323         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1324         (avr_hard_regno_nregs): New.
1325         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1326         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1327         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1328         add soft frame pointer.
1329         (CALL_USED_REGISTERS): Likewise.
1330         (REG_CLASS_CONTENTS): Likewise.
1331         (REGISTER_NAMES): Likewise.
1332         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1333         (HARD_FRAME_POINTER_REGNUM): New.
1334         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1335         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1336         remove the HARD_FRAME_POINTER self-elimination.
1337
1338 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1339
1340         PR target/51756
1341         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1342         DECL_EXTERNAL when checking for initializers of progmem variables.
1343
1344 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1345
1346         PR tree-optimization/51799
1347         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1348         that the last operation is a type demotion.
1349
1350 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1351
1352         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1353         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1354
1355 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1356
1357         PR bootstrap/51796
1358         * combine.c (distribute_notes): If i3 is a noreturn call,
1359         allow old_size to be equal to args_size and make sure the
1360         noreturn call gets REG_ARGS_SIZE note.
1361         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1362         on noreturn calls even when the delta is 0.
1363
1364 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1365
1366         * gcov.c (STRING_SIZE): Remove.
1367         (generate_results): Erase annotations for source files with no
1368         coverage information.
1369         (read_line): New.
1370         (output_lines): Use it.
1371
1372 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1373
1374         * gimple.h (gimplify_body): Remove first argument.
1375         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1376         pointer set here, instead just pass DATA to walk_tree.
1377         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1378         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1379         (unvisit_body): Likewise, but with unmark_visited.
1380         (gimplify_body): Remove BODY_P argument and adjust.
1381         (gimplify_function_tree): Adjust call to gimplify_body.
1382         * omp-low.c (finalize_task_copyfn): Likewise.
1383
1384 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1385
1386         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1387         (build_function_type_skip_args): Delete.
1388         * tree.c (build_function_type_skip_args): Make static and add
1389         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1390         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1391         pass it to build_function_type_skip_args.
1392         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1393         (tree_function_versioning): Likewise.
1394         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1395         build_function_decl_skip_args.
1396         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1397         and pass it to build_function_decl_skip_args/tree_function_versioning.
1398         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1399         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1400         * trans-mem.c (ipa_tm_create_version): Likewise.
1401         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1402         * tree-inline.c (declare_return_variable): Remove always-true test.
1403         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1404         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1405         * ipa-split.c (split_function): Skip the return value for the split
1406         part if it doesn't return.
1407
1408 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1409
1410         PR tree-optimization/49642
1411         * ipa-split.c (forbidden_dominators): New variable.
1412         (check_forbidden_calls): New function.
1413         (dominated_by_forbidden): Likewise.
1414         (consider_split): Check for forbidden dominators.
1415         (execute_split_functions): Initialize and free forbidden
1416         dominators info; call check_forbidden_calls.
1417
1418 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1419
1420         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1421
1422 2012-01-11  Nick Clifton  <nickc@redhat.com>
1423
1424         * config/rx/rx.md (return): Define pattern.
1425
1426 2012-01-11  Richard Guenther  <rguenther@suse.de>
1427
1428         * doc/extend.texi (malloc attribute): Adjust according to
1429         implementation.
1430
1431 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1432             Patrick Marlier  <patrick.marlier@gmail.com>
1433
1434         PR middle-end/51516
1435         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1436         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1437         (ipa_tm_note_irrevocable): Same.
1438         (ipa_tm_scan_irr_block): Same.
1439         (ipa_tm_decrement_clone_counts): Same.
1440         (ipa_tm_scan_irr_function): Same.
1441         (ipa_tm_create_version_alias): Same.
1442         (ipa_tm_create_version): Same.
1443         (ipa_tm_transform_calls_redirect): Same.
1444         (ipa_tm_transform_calls): Same.
1445         (ipa_tm_transform_transaction): Same.
1446         (ipa_tm_execute): Same.
1447
1448 2012-01-10  Richard Guenther  <rguenther@suse.de>
1449
1450         PR middle-end/51806
1451         * opts.c (common_handle_option): Handle -Werror.
1452
1453 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1454
1455         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1456         operand number.
1457
1458 2012-01-10  Jason Merrill  <jason@redhat.com>
1459
1460         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1461         information.
1462
1463 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1464
1465         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1466         supports R_386_TLS_GD_PLT reloc.
1467         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1468         supports R_386_TLS_LDM_PLT reloc.
1469         * configure: Regenerate.
1470         * config.in: Regenerate.
1471
1472 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1473
1474         PR target/49868
1475         Extend __pgmx semantics to linearize memory.
1476         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1477         determine if code comes inline or from libgcc.
1478         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1479         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1480         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1481         (movmemx_qi, movmemx_hi): New insns.
1482         (xload_<mode>_libgcc): Rewrite to new insn condition.
1483         (xload_<mode>): Remove insns.
1484         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1485         cases that don't satisfy avr_xload_libgcc_p().
1486         (avr_addr_space_convert): Allow converting in any direction.
1487         (avr_addr_space_subset_p): Return always true.
1488         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1489         (avr_emit_movmemhi): Ditto.
1490         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1491         (avr_out_movmem): Ditto.
1492         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1493         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1494         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1495         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1496         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1497
1498 2012-01-10  Richard Guenther  <rguenther@suse.de>
1499
1500         PR tree-optimization/50913
1501         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1502         Require data-refs to be representable by Graphite with respect
1503         to any loop nest.
1504
1505 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1506
1507         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1508         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1509
1510 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1511
1512         PR rtl-optimization/51271
1513         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1514         handling annulled branch.
1515
1516 2012-01-10  Richard Henderson  <rth@redhat.com>
1517
1518         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1519         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1520         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1521         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1522         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1523         arm_expand_vec_perm_const): New.
1524         * config/arm/arm-protos.h: Update.
1525         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1526         (*neon_vswp<VDQX>): New.
1527         (neon_vcombine<VDX>): Use neon_split_vcombine.
1528         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1529         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1530         (vec_perm<VE>): New.
1531
1532 2012-01-10  Richard Henderson  <rth@redhat.com>
1533
1534         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1535         use it if reload_completed.
1536         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1537         arm_output_asm_insn, arm_process_output_memory_barrier,
1538         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1539         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1540         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1541         arm_process_output_sync_insn, arm_output_sync_insn,
1542         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1543         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1544         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1545         (emit_unlikely_jump): New.
1546         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1547         (arm_split_atomic_op): New.
1548         * config/arm/arm-protos.h: Update.
1549         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1550         (struct arm_sync_generator): Remove.
1551         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1552         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1553         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1554         (VUNSPEC_LL, VUNSPEC_SC): New.
1555         (sync_result, sync_memory, sync_required_value, sync_new_value,
1556         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1557         (attr length): Don't use arm_sync_loop_insns.
1558         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1559         (movsfcc, movdfcc): Likewise.
1560         * config/arm/constraints.md (Ua): New.
1561         * config/arm/prediates.md (mem_noofs_operand): New.
1562         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1563         (sync_clobber, sync_t2_reqd): Remove.
1564         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1565         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1566         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1567         (arm_sync_compare_and_swap<SIDI>): Remove.
1568         (arm_sync_compare_and_swap<NARROW>): Remove.
1569         (arm_sync_lock_test_and_set<SIDI>): Remove.
1570         (arm_sync_lock_test_and_set<NARROW>): Remove.
1571         (arm_sync_new_<syncop><SIDI>): Remove.
1572         (arm_sync_new_<syncop><NARROW>): Remove.
1573         (arm_sync_new_nand<SIDI>): Remove.
1574         (arm_sync_new_nand<NARROW>): Remove.
1575         (arm_sync_old_<syncop><SIDI>): Remove.
1576         (arm_sync_old_<syncop><NARROW>): Remove.
1577         (arm_sync_old_nand<SIDI>): Remove.
1578         (arm_sync_old_nand<NARROW>): Remove.
1579         (*memory_barrier): Merge arm_output_memory_barrier.
1580         (atomic_compare_and_swap<QHSD>): New.
1581         (atomic_compare_and_swap<NARROW>_1): New.
1582         (atomic_compare_and_swap<SIDI>_1): New.
1583         (atomic_exchange<QHSD>): New.
1584         (cas_cmp_operand, cas_cmp_str): New.
1585         (atomic_op_operand, atomic_op_str): New.
1586         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1587         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1588         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1589         (arm_load_exclusive<NARROW>): New.
1590         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1591         (arm_store_exclusive<QHSD>): New.
1592
1593 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1594
1595         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1596         reload patterns if -mvsx-scalar-memory.
1597
1598         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1599         generated, even -mno-vsx-scalar-double was used.
1600         (vsx_xscvdpsp_scalar): Likewise.
1601         (vsx_xscvspdp_scalar2): Likewise.
1602
1603 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1604             Andrew Pinski  <apinski@cavium.com>
1605
1606         PR debug/51471
1607         * reorg.c (fill_slots_from_thread): Don't speculate
1608         frame-related insns.
1609
1610 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1611
1612         * sched-int.h (bb_note): Move to...
1613         * basic-block.h: ...here.
1614         * haifa-sched.c (bb_note): Move to...
1615         * cfgrtl.c: ...here.
1616         * function.c (next_block_for_reg): New function.
1617         (move_insn_for_shrink_wrap): Likewise.
1618         (prepare_shrink_wrap): Rewrite to use the above.
1619
1620 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1621
1622         * gimple.c (is_gimple_non_addressable): Remove.
1623         * gimple.h: Remove is_gimple_non_addressable.
1624         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1625         is_gimple_non_addressable.
1626         * trans-mem.c (expand_assign_tm): Same.
1627
1628 2012-01-09  Richard Guenther  <rguenther@suse.de>
1629
1630         PR tree-optimization/51775
1631         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1632         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1633
1634 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1635
1636         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1637         tuning parameters.
1638         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1639
1640 2012-01-09  Richard Guenther  <rguenther@suse.de>
1641
1642         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1643
1644 2012-01-08  Jan Hubicka  <jh@suse.cz>
1645
1646         PR tree-optimize/51680
1647         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1648         on when known_vals needs to be computed; cleanup.
1649
1650 2012-01-08  Jan Hubicka  <jh@suse.cz>
1651
1652         PR tree-optimize/51694
1653         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1654
1655 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1656
1657         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1658         for -std=c++98 and -std=c++11 too.
1659
1660 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1661
1662         * cfgloop.c (cancel_loop): Add free() of bbs array.
1663
1664 2012-01-07  Jan Hubicka  <jh@suse.cz>
1665
1666         PR tree-optimization/51600
1667         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1668         that benefits small functions.
1669
1670 2012-01-07  Jan Hubicka  <jh@suse.cz>
1671
1672         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1673
1674 2012-01-07  Jan Hubicka  <jh@suse.cz>
1675
1676         PR tree-optimization/51680
1677         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1678         whose inlining reduce unit size.
1679
1680 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1681
1682         PR bootstrap/51725
1683         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1684         Add canonical node to containing_mem chain after the non-canonical
1685         one, even if there weren't any locs to propagate.
1686         (remove_useless_values): Keep only canonical values.
1687         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1688         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1689         canonicalize mem_chain elements that are not discarded.
1690
1691 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1692
1693         PR target/47333
1694         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1695         before emitting functions.
1696
1697         PR gcov-profile/50127
1698         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1699         clear_aux_for_blocks.
1700
1701 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1702
1703         PR debug/51746
1704         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1705
1706 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1707
1708         * c-decl.c (ext_block): Moved up.
1709         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1710
1711 2012-01-06  Han Shen  <shenhan@google.com>
1712
1713         Translate built-in include paths for sysroot.
1714         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1715         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1716
1717         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1718         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1719
1720         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1721         control whether sysroot should be prepended to gxx include dir.
1722
1723         * configure: Regenerate.
1724
1725 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1726
1727         PR rtl-optimization/51771
1728         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1729         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1730
1731 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1732
1733         PR tree-optimization/51315
1734         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1735         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1736
1737 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1738
1739         PR target/51681
1740         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1741         for shrp pattern.  Correctly handle and fixup shift variable.
1742         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1743
1744 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1745
1746         PR debug/51762
1747         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1748         note when !ACCUMULATE_OUTGOING_ARGS.
1749
1750 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1751
1752         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1753         condition.
1754         (extract_range_from_unary_expr_1): Avoid useless computations.
1755
1756 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1757
1758         PR rtl-optimization/51767
1759         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1760         of jump_block and add an extra edge for degenerated asm gotos.
1761
1762         PR middle-end/51768
1763         * stmt.c (check_unique_operand_names): Don't ICE during error
1764         reporting if i is from labels chain.
1765
1766         PR middle-end/44777
1767         * profile.c (branch_prob): Split bbs that have exit edge
1768         and need a fake entry edge too.
1769
1770 2012-01-05  Jan Hubicka  <jh@suse.cz>
1771
1772         PR middle-end/49710
1773         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1774         unlooping loops.
1775
1776 2012-01-05  Richard Guenther  <rguenther@suse.de>
1777
1778         PR lto/50490
1779         * tree-streamer-out.c (write_ts_optimization): New function.
1780         (streamer_write_tree_body): Call it.
1781         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1782         (streamer_read_tree_body): Call it.
1783         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1784
1785 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1786
1787         PR middle-end/51761
1788         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1789         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1790         in_cleanup_point_expr before gimplify_stmt call and restore it
1791         afterwards.
1792         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1793         in_cleanup_point_expr is false.
1794
1795 2012-01-05  Richard Guenther  <rguenther@suse.de>
1796
1797         PR middle-end/51764
1798         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1799         to c.opt.
1800         * toplev.c (process_options): Reject combining mudflap and LTO.
1801         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1802
1803 2012-01-05  Richard Guenther  <rguenther@suse.de>
1804
1805         PR tree-optimization/51760
1806         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1807         not VARYING.
1808         (bit_value_unop): Handle UNDEFINED operands.
1809         (bit_value_binop): Likewise.
1810
1811 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1812
1813         * config/avr/avr.c (avr_replace_prefix): Remove.
1814         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1815         (avr_asm_function_rodata_section): Ditto.
1816         (avr_asm_select_section): Ditto.
1817
1818 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1819
1820         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1821         insertion.
1822
1823 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1824
1825         PR bootstrap/51648
1826         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1827         calls that have any non-fake successor edges.
1828
1829         PR debug/51746
1830         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1831
1832 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1833
1834         PR tree-optimization/51624
1835         * tree-sra.c (build_ref_for_model): When replicating a chain of
1836         COMPONENT_REFs, stop as soon as the offset would become negative.
1837
1838 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1839
1840         PR debug/51695
1841         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1842         in .debug_loc on the floor.
1843
1844 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1845
1846         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1847
1848 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1849             Adam Nemet  <anemet@caviumnetworks.com>
1850
1851         * config/mips/mips.md (size): Add SI and DI.
1852         (SIZE): New mode attribute.
1853         (U): New code attribute.
1854         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1855         (mips_lbux_<mode>): Delete.
1856         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1857         (mips_lhx): Use gen_mips_lhx_extsi.
1858         (mips_lhx_<mode>): Delete.
1859         (mips_lwx): Delete.
1860         (mips_l<size>x): New expand.
1861         (mips_lwx_<mode>): Delete.
1862         (mips_l<GPR:size>x_<P:mode>): New pattern.
1863         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1864         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1865         * config/mips/mips.c (mips_lx_address_p): New function.
1866         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1867         (dsp64): New availability predicate.
1868         (mips_builtins): Add an entry for __builtin_mips_ldx.
1869         * config/mips/mips.h (ISA_HAS_LBX): New define.
1870         (ISA_HAS_LBUX): Likewise.
1871         (ISA_HAS_LHX): Likewise.
1872         (ISA_HAS_LHUX): Likewise.
1873         (ISA_HAS_LWX): Likewise.
1874         (ISA_HAS_LWUX): Likewise.
1875         (ISA_HAS_LDX): Likewise.
1876         * doc/extend.texi (__builtin_mips_ldx): Document.
1877
1878 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1879
1880         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1881         when long pointers are used.
1882         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1883         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1884         (ia64-hp-*vms*): Remove.
1885         * config/vms/xm-vms64.h: Delete.
1886
1887 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1888
1889         PR middle-end/51472
1890         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1891
1892 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1893
1894         * opts.c (finish_options): Remove duplicate sorry.
1895
1896 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1897
1898         PR middle-end/51696
1899         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1900         correctly.
1901
1902 2012-01-04  Richard Guenther  <rguenther@suse.de>
1903
1904         PR middle-end/51750
1905         * tree.c (size_low_cst): New function.
1906         * tree.h (size_low_cst): Declare.
1907         * fold-const.c (fold_comparison): Use it to extract the low
1908         part of the POINTER_PLUS_EXPR offset.
1909
1910 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1911
1912         Fix clearing ZERO_REG
1913         * config/avr/avr.md (cc): Add alternative "ldi".
1914         (movqi_insn): Use it in cc attribute.
1915         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1916         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1917         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1918
1919 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1920
1921         * configure: Regenerate.
1922
1923 2012-01-04  Richard Guenther  <rguenther@suse.de>
1924
1925         PR tree-optimization/49651
1926         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1927         (var_can_have_subvars): Use it.
1928         (get_constraint_for_1): Only consider subfields if there can be any.
1929
1930 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1931
1932         PR bootstrap/51725
1933         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1934         to its new canonical_cselib_val and the cselib_val was in
1935         first_containing_mem chain, but the canonical_cselib_val was not,
1936         add the latter into the chain.
1937         (cselib_invalidate_mem): Compare canonical_cselib_val of
1938         addr_list chain elt with v.
1939
1940         PR pch/51722
1941         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1942         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1943         of xstrdup.
1944         (output_macinfo_op): Don't ggc_strdup fd->filename.
1945         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1946         then ggc_strdup it.  Don't free inc->info or cur->info.
1947         (output_macinfo): Don't free ref->info or file->info.
1948
1949 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1950
1951         PR tree-optimization/51269
1952         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1953         first_niters a pointer.
1954         (slpeel_tree_peel_loop_to_edge): Likewise.
1955         (vect_do_peeling_for_loop_bound): Update call to
1956         slpeel_tree_peel_loop_to_edge.
1957         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1958         here.  Remove it from the parameters list.
1959         (vect_do_peeling_for_alignment): Update calls and compute
1960         wide_prolog_niters.
1961
1962 2012-01-03  Richard Guenther  <rguenther@suse.de>
1963
1964         PR tree-optimization/51070
1965         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1966         Properly handle calls.
1967
1968 2012-01-03  Richard Guenther  <rguenther@suse.de>
1969
1970         PR tree-optimization/51692
1971         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1972         the LHS of allocation stmts.
1973
1974 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1975
1976         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1977
1978 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1979
1980         * collect2.c (main): In AIX specific computations for vector
1981         insertions, use CONST_CAST2 to cast from char ** to const char **.
1982
1983 2012-01-03  Richard Guenther  <rguenther@suse.de>
1984
1985         PR debug/51650
1986         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1987         the context of a limbo DIE when it does not already exist.
1988
1989 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1990
1991         PR tree-optimization/51719
1992         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1993         but direct call is, clear direct call's lhs and don't add fallthrough
1994         edge from dcall_bb to join_bb and PHIs.
1995
1996 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1997
1998         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1999         the instructions emitted by the pattern.
2000         ("*TDC_insn_<mode>"): Add comment.
2001
2002 2012-01-03  Richard Guenther  <rguenther@suse.de>
2003
2004         PR middle-end/51730
2005         * fold-const.c (fold_comparison): Properly canonicalize
2006         tree offset and HOST_WIDE_INT bit position.
2007
2008 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2009
2010         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2011         operands for extzv pattern.
2012
2013 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2014
2015         PR bootstrap/51725
2016         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2017         on mem_elt first.
2018
2019 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2020
2021         * doc/invoke.texi (-flto and related options): Copy-edit.
2022
2023 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2024
2025         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2026
2027 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2028
2029         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2030         New patterns.
2031
2032 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2033
2034         * expr.h (move_by_pieces_ninsns): Declare.
2035         * expr.c (move_by_pieces_ninsns): Make external.
2036         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2037         (mips_store_by_pieces_p): Likewise.
2038         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2039         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2040         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2041         (mips_store_by_pieces_p): Likewise.
2042
2043 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2044
2045         * passes.c (register_one_dump_file): Free full_name.
2046
2047         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2048         (calculate_elim_costs_all_insns): Free offsets_at and
2049         offsets_known_at at the end and clear the pointers.
2050
2051 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2052
2053         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2054         this option introduced in r180739.
2055
2056 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2057
2058         PR target/51345
2059         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2060         (tmake_file target=avr): Add avr/t-multilib.
2061
2062         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2063         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2064         * config/avr/genmultilib.awk: New file.
2065         * config/avr/t-multilib: New auto-generated file.
2066         * config/avr/multilib.h: New auto-generated file.
2067         * config/avr/t-avr (AVR_MCUS): New variable.
2068         (genopt.sh): Use it.
2069         (s-mlib): Depend on t-multilib.
2070         (t-multilib, multilib.h): New dependencies.
2071         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2072         (MULTILIB_OPTIONS): Remove.
2073         (MULTILIB_MATCHES): Remove.
2074         (MULTILIB_DIRNAMES): Remove.
2075         (MULTILIB_EXCEPTIONS): Remove:
2076         * config/avr/genopt.sh: Don't use hard coded file name;
2077         pass AVR_MCUS from t-avr instead.
2078
2079 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2080
2081         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2082
2083 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2084
2085         Implement light-weight DImode support.
2086         * config/avr/avr-dimode.md: New file.
2087         * config/avr/avr.md: Include it.
2088         (adjust_len): Add plus64, compare64.
2089         (HIDI): Remove code iterator.
2090         (code_stdname): New code attribute.
2091         (rotx, rotsmode): Remove DI.
2092         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2093         as code iterator.
2094         * config/avr/avr-protos.h (avr_have_dimode): New.
2095         (avr_out_plus64, avr_out_compare64): New.
2096         * config/avr/avr.c (avr_out_compare): Handle DImode.
2097         (avr_have_dimode): New variable definition and initialization.
2098         (avr_out_compare64, avr_out_plus64): New functions.
2099         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2100         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2101         (avr_compare_pattern): Skip DImode comparisons.
2102
2103 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2104
2105         * ddg.c (def_has_ccmode_p): New function.
2106         (add_cross_iteration_register_deps,
2107         create_ddg_dep_from_intra_loop_link): Call it.
2108
2109 2012-01-02  Richard Guenther  <rguenther@suse.de>
2110
2111         PR other/51679
2112         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2113
2114 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2115
2116         * gcc.c (process_command): Update copyright notice dates.
2117         * gcov.c (print_version): Likewise.
2118         * gcov-dump.c (print_version): Likewise.
2119         * mips-tfile.c (main): Likewise.
2120         * mips-tdump.c (main): Likewise.
2121
2122 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2123
2124         PR tree-optimization/51704
2125         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2126         a use is inside the basic block or loop before accessing its vect info.
2127
2128 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2129
2130         PR rtl-optimization/51069
2131         * cfgloopmanip.c (remove_path): Removing path making irreducible
2132         region unconditional makes BB part of the region.
2133
2134 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2135
2136         PR tree-optimization/51683
2137         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2138         calls with side-effects.
2139         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2140 \f
2141 Copyright (C) 2012 Free Software Foundation, Inc.
2142
2143 Copying and distribution of this file, with or without modification,
2144 are permitted in any medium without royalty provided the copyright
2145 notice and this notice are preserved.