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1 2012-02-08  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/46886
4         * tree-flow.h (do_while_loop_p): Declare.
5         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
6         * tree-parloops.c (parallelize_loops): Only parallelize do-while
7         loops.
8
9 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
10
11         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
12         always succeed for integers larger than a native word.
13
14 2012-02-08  Richard Guenther  <rguenther@suse.de>
15
16         PR rtl-optimization/52170
17         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
18         properly handle integer vector modes.
19
20 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
21
22         PR gcov-profile/52150
23         * coverage.c: Include target.h.
24         (build_var): Call targetm.strip_name_encoding on the assembler name.
25         Change one _ into . or $ if the target allows it.
26         * Makefile.in (coverage.o): Depend on $(TARGET_H).
27
28         PR rtl-optimization/52139
29         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
30         is a BARRIER after emit_insn_after_noloc, move BB_END
31         to the last non-BARRIER insn before it.
32
33 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
34
35         PR middle-end/24306
36         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
37         (mips_gimplify_va_arg_expr): Call it instead of
38         std_gimplify_va_arg_expr.
39
40 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
41
42         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
43         message for -mno-pointers-to-nested-function.
44
45 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
46
47         PR middle-end/51994
48         * expr.c (get_inner_reference): If there is an offset, add a negative
49         bit position to it (if any).
50
51 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
52
53         PR rtl-optimization/52060
54         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
55         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
56         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
57         and/or i0src_copy2 when needed.
58
59 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
60
61         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
62         or LTOPLUGINSONAME if have_c.
63
64         * config/freebsd-spec.h: Add comment about what macros can be defined
65         in this header.
66         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
67         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
68         here instead.
69
70 2012-02-07  Richard Guenther  <rguenther@suse.de>
71
72         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
73         newline in -alias dumps.
74
75 2012-02-07  Kai Tietz  <ktietz@redhat.com>
76             Dave Korn  <dave.korn.cygwin@gmail.com>
77
78         PR target/40068
79         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
80         Take care that typinfo gets dllexport-attribute.
81
82 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
83
84         PR middle-end/52074
85         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
86         if modifier < EXPAND_SUM call force_operand on the result.
87
88 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
89
90         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
91         adding __forwarder_dst__ prefix if a forwarder_section attribute is
92         present.
93         (epiphany_function_type): Replace types for specific interrupts with
94         EPIPHANY_FUNCTION_INTERRUPT.
95         (EPIPHANY_INTERRUPT_P): Update.
96         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
97         New static function.
98         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
99         <disinterrupt>: Affects type identity.
100         (epiphany_handle_interrupt_attribute): Handle variable number of
101         arguments.
102         (epiphany_compute_function_type): Update for new
103         epiphany_function_type definition.
104         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
105         handlers with a longcall forwarder.
106         (epiphany_start_function): Handle multiple interrupt arguments and/or
107         forwarder_section attribute.
108
109         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
110
111 2012-02-07  Alan Modra  <amodra@gmail.com>
112
113         PR target/52107
114         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
115         subregs of TFmode.
116
117 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
118
119         PR tree-optimization/50969
120         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
121         use vec_perm rather than vector_stmt.
122         (vect_model_load_cost): Likewise.
123         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
124         vec_perm to be the same as other vector statements.
125         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
126         cost of vec_perm for TARGET_VSX.
127
128 2012-02-06  Richard Guenther  <rguenther@suse.de>
129
130         PR tree-optimization/52115
131         * tree-sra.c (access_has_replacements_p): New function.
132         (sra_modify_assign): Use it to decide whether a use is uninitialized.
133
134 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
135
136         PR middle-end/52047
137         * trans-mem.c (expand_call_tm): Add an assertion.
138         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
139         functions.
140
141 2012-02-06  Richard Guenther  <rguenther@suse.de>
142
143         PR tree-optimization/50955
144         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
145         raise cost of expressions that replace an address with an
146         expression based on a different pointer.
147
148 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
149
150         PR target/52129
151         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
152         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
153
154 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
155
156         PR c++/48680
157         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
158         -Weffc++ and specify guidelines come from second edition.
159
160 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
161
162         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
163         (sibcall_value_multiple_internal, call_split, call_internal_direct)
164         (call_direct_split, call_value_split, call_value_internal_direct)
165         (call_value_direct_split, call_value_multiple_split): Use jal and
166         jal_macro attributes.
167
168 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
169
170         * reload1.c (reload_regs_reach_end_p): Replace with...
171         (reload_reg_rtx_reaches_end_p): ...this function.
172         (new_spill_reg_store): Update commentary.
173         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
174         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
175         before setting new_spill_reg_store.
176         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
177         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
178         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
179         for non-spill reload registers.
180
181 2012-02-05  Ira Rosen  <irar@il.ibm.com>
182
183         PR tree-optimization/52091
184         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
185         (vect_is_simple_use_1): Likewise.
186         * tree-vect-loop.c (vectorizable_reduction): Update calls
187         to vect_is_simple_use_1 and vect_is_simple_use.
188         (vectorizable_live_operation): Likewise.
189         * tree-vect-patterns.c (widened_name_p,
190         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
191         Likewise.
192         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
193         vectorizable_call, vectorizable_conversion,
194         vectorizable_assignment, vectorizable_shift,
195         vectorizable_operation, vectorizable_store, vectorizable_load):
196         Likewise.
197         (vect_is_simple_cond): Add an argument, pass it to
198         vect_is_simple_use_1.
199         (vectorizable_condition): Update calls to vect_is_simple_cond,
200         vect_is_simple_use.
201         (vect_is_simple_use): Add an argument, the statement in which
202         OPERAND is used.  Check that if OPERAND's def stmt is a double
203         reduction phi node, the use is a phi node too.
204         (vect_is_simple_use_1): Add an argument, pass it to
205         vect_is_simple_use.
206         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
207         to vect_is_simple_use.
208
209 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
210
211         PR rtl-optimization/52095
212         * modulo-sched.c (dump_insn_locator): New function.
213         (loop_canon_p, sms_schedule): Use it.
214
215         PR rtl-optimization/52113
216         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
217         even for decomposable shift/zext insns.
218
219 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
220             Zdenek Dvorak  <ook@ucw.cz>
221
222         PR rtl-optimization/52092
223         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
224         on get_iv_value result.
225
226 2012-02-02  Andrew Pinski  <apinski@cavium.com>
227
228         PR middle-end/47982
229         PR middle-end/43967
230         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
231
232 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
233
234         PR middle-end/48071
235         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
236
237 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
238
239         PR rtl-optimization/49800
240         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
241         (sched_finish): Call regstat_free_n_sets_and_refs.
242
243 2012-02-02  Jia Liu  <proljc@gmail.com>
244
245         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
246         than operand 2.
247
248 2012-02-02 Jan Hubicka  <jh@suse.cz>
249            Tom de Vries  <tom@codesourcery.com>
250
251         PR middle-end/51998
252         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
253         * varpool.c (varpool_analyze_pending_decls): Likewise.
254
255 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
256             Jayant R Sonar <jayant.sonar@kpitcummins.com>
257
258         * config.gcc: Add cr16-* support.
259
260         * doc/extend.texi: Document cr16 extensions.
261         * doc/install.texi: Document cr16 install.
262         * doc/invoke.texi: Document cr16 options.
263         * doc/md.texi: Document cr16 constraints.
264
265         * common/config/cr16/cr16-common.c: New file.
266         * config/cr16/cr16.c: New file.
267         * config/cr16/cr16.h: New file.
268         * config/cr16/cr16.md: New file.
269         * config/cr16/cr16.opt: New file.
270         * config/cr16/cr16-protos.h: New file.
271         * config/cr16/predicates.md: New file.
272         * config/cr16/constraints.md: New file.
273         * config/cr16/t-cr16: New file.
274
275 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
276
277         PR target/52086
278         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
279         that operands[2] is either immediate, or q_regs_operand.
280
281         PR tree-optimization/52073
282         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
283         a pattern stmt for pattern uses, ignore uses outside of the loop.
284
285 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
286
287         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
288         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
289         (OUT_AS1, OUT_AS2): Remove.
290
291 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
292
293         PR rtl-optimization/51374
294         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
295         to cross other volatile_refs_p insns.
296
297 2012-02-01  Richard Guenther  <rguenther@suse.de>
298
299         * doc/invoke.texi (fno-inline): Clarify documentation.
300         (finline-small-functions): Likewise.
301         (finline-functions): Likewise.
302         * common.opt (finline): Adjust comment and documentation.
303         (finline-small-functions): Clarify documentation.
304         (finline-functions): Likewise.
305         (finline-functions-called-once): Likewise.
306
307 2012-02-01  Tristan Gingold  <gingold@adacore.com>
308
309         * c-typeck.c (composite_type): Keep mode for pointers.
310
311 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
312
313         * function.h (regno_reg_rtx): Adjust comment.
314         * reginfo.c (init_reg_modes_target): Only use the previous mode
315         if it fits within one register.  Remove MIPS comment.
316
317 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
318
319         PR bootstrap/52058
320         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
321
322 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
323
324         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
325         to srak instruction.
326
327 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
328
329         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
330         condition.
331
332 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
333
334         PR bootstrap/52041
335         PR bootstrap/52039
336         PR target/51974
337         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
338
339 2012-01-31  Richard Guenther  <rguenther@suse.de>
340
341         PR tree-optimization/51528
342         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
343         assigns.
344
345 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
346
347         PR bootstrap/52041
348         PR bootstrap/52039
349         PR target/51974
350         * ree.c (add_removable_extension): Change def_map argument
351         to unsigned *, store in def_map 1 + offset into *insn_list vector
352         instead of pointers into the vector.
353         (find_removable_extensions): Adjust caller.
354
355 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
356
357         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
358         Transform all "* quoted-c-code" to { c-code }.
359         Remove redundant test for "optimize" in combine patterns.
360         Move (include "avr-dimode.md") to end of file.
361
362 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
363
364         PR target/51835
365         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
366         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
367
368 2012-01-30  Richard Guenther  <rguenther@suse.de>
369
370         PR tree-optimization/52028
371         * tree-loop-distribution.c (ldist_gen): Properly update
372         virtual SSA form.
373
374 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
375
376         PR debug/52027
377         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
378         set_cur_line_info_table if not emitting debug info.
379
380         PR tree-optimization/52046
381         * tree-vect-patterns.c (check_bool_pattern): Give up if
382         a comparison could throw.
383
384         PR debug/52048
385         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
386
387 2012-01-30  Richard Guenther  <rguenther@suse.de>
388
389         PR tree-optimization/52045
390         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
391         SSA form if cfgcleanup did anything.
392
393 2012-01-30  Richard Guenther  <rguenther@suse.de>
394
395         PR tree-optimization/52045
396         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
397         before computing final todo.
398
399 2012-01-30  Richard Guenther  <rguenther@suse.de>
400
401         PR tree-optimization/51528
402         * tree-sra.c (sra_modify_assign): Re-factor in preparation
403         for PR51528 fix.
404
405 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
406
407         * df-problems.c (df_kill_notes): Check that the use refers
408         to the note under examination.
409
410 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
411
412         PR target/51920
413         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
414         parameter and use short-lived pseudos.
415         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
416         (sparc_expand_vector_init): Const-ify local variables and adjust
417         calls to above functions.
418
419 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
420
421         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
422
423 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
424
425         * doc/invoke.texi: Make usage of "compile time" and
426         "run time"/"runtime" consistent throughout the file.
427
428 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
429
430         * config/alpha/alpha.c (alpha_option_overrride): Default to
431         full IEEE compliance mode for Go language.
432
433 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
434
435         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
436         (LINK_SSP_SPEC): Define.
437
438 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
439
440         PR target/51871
441         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
442         stubs.
443
444 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
445
446         * doc/invoke.texi: Correct hyphenation of "floating point",
447         "double precision", and related terminology throughout the file.
448
449 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
450
451         PR target/52006
452         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
453         arm_general_register_operand predicate for operand 2 instead of
454         register_operand.
455
456 2012-01-27  Ian Lance Taylor  <iant@google.com>
457
458         PR go/47656
459         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
460         * builtins.c (expand_builtin_init_trampoline): Add onstack
461         parameter.  Change caller.
462         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
463         * tree.c (build_common_builtin_nodes): Declare
464         __builtin_init_heap_trampoline.
465
466 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
467
468         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
469         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
470         * config/avr/avr.c: Ditto.
471         (avr_regnames): Remove because unused.
472         * config/avr/avr.md (*cpse.ne): New peephole.
473         (*cpse.eq): New peephole from former cpse peepholes.
474
475 2012-01-27  Michael Eager  <eager@eagercon.com>
476
477         * config/microblaze.c (microblaze_emit_compare): Correct
478         test after pcmp instruction.
479
480 2012-01-27  Richard Guenther  <rguenther@suse.de>
481
482         PR tree-optimization/52020
483         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
484
485 2012-01-27  Richard Guenther  <rguenther@suse.de>
486
487         * ipa-pure-const.c (check_stmt): Clobbers do not make a
488         function non-const/pure.
489
490 2012-01-27  Richard Guenther  <rguenther@suse.de>
491
492         PR tree-optimization/50444
493         * tree-sra.c (build_ref_for_offset): Properly adjust the
494         MEM_REF type for unaligned accesses.
495
496 2012-01-27  Richard Guenther  <rguenther@suse.de>
497
498         PR tree-optimization/50444
499         * expr.c (mem_ref_refers_to_non_mem_p): New function.
500         (expand_assignment): Use it.  Properly handle misaligned
501         bases when expanding stores to component references.
502         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
503         refactor that case.
504
505 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
506
507         PR middle-end/51389
508         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
509         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
510         * tree-data-ref.c (find_data_references_in_loop): Make static.
511         (compute_all_dependences): Change return type to bool.  Bail out
512         for too many datarefs in a loop.  Move the hunk resetting the data
513         dependences vector from ...
514         (compute_data_dependences_for_loop): ... here.  Account for
515         compute_all_dependences returning false.
516         (compute_data_dependences_for_bb): Likewise.
517         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
518         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
519
520 2012-01-27  Richard Guenther  <rguenther@suse.de>
521
522         PR middle-end/51959
523         * expr.c (store_field): Use the alias-set of the scratch memory
524         for storing to it.
525
526 2012-01-27  Tom de Vries  <tom@codesourcery.com>
527
528         PR tree-optimization/51990
529         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
530         WITH_SIZE_EXPR.
531         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
532
533 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
534
535         PR debug/52001
536         * var-tracking.c (reverse_op): Don't add any reverse operation
537         if V already has any constant locations.
538
539 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
540
541         * doc/invoke.texi: Correct usage of "command line" (noun)
542         vs "command-line" (adjective) throughout.
543
544 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
545
546         * doc/invoke.texi (Language Independent Options): Move
547         -Wcoverage-mismatch blurb from here....
548         (Warning Options): ...to here.
549
550 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
551
552         * config/rs6000/rs6000.c (rs6000_option_override_internal):
553         Set rs6000_always_hint to false for 476.
554
555 2012-01-27  Matthias Klose  <doko@ubuntu.com>
556
557         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
558           system root.
559         * incpath.c (add_standard_paths): Likewise.
560
561 2012-01-27  Richard Henderson  <rth@redhat.com>
562
563         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
564         * config/m68k/sync.md (atomic_test_and_set): Rename from
565         sync_test_and_setqi and adjust the operands.
566         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
567         and unconditionally enable.
568
569 2012-01-27  Richard Henderson  <rth@redhat.com>
570
571         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
572         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
573         (ldstub): Rename from ldstubqi.
574         (ldstub<I24MODE>): Remove.
575
576 2012-01-27  Richard Henderson  <rth@redhat.com>
577
578         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
579         * c-cppbuiltin.c (cpp_atomic_builtins): Define
580         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
581         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
582         * doc/tm.texi: Rebuild.
583
584 2012-01-27  Richard Henderson  <rth@redhat.com>
585
586         * optabs.c (gen_atomic_test_and_set): Remove default.
587         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
588
589 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
590
591         PR rtl-optimization/51978
592         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
593         (combine_reaching_defs): Likewise.
594         (struct re_info): Remove.
595         (add_removable_extension): Remove x and data arguments,
596         add insn, insn_list and def_map.  Use the arguments directly
597         instead of using struct re_info.
598         (find_removable_extensions): Don't call add_removable_extension
599         through note_stores, instead just call it with single_set
600         result if non-NULL.
601         (find_and_remove_re): Pass curr_cand->expr instead of
602         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
603
604 2012-01-26  Michael Matz  <matz@suse.de>
605
606         PR tree-optimization/46590
607         * cfgexpand.c: Revert last change (r183305).
608         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
609         regs.
610         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
611         checking for emptiness.
612
613 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
614
615         PR middle-end/51895
616         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
617         non-addressable non-BLKmode base correctly.
618
619 2012-01-26  Michael Matz  <matz@suse.de>
620
621         PR tree-optimization/48794
622         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
623         regions referenced from RESX/EH_DISPATCH.
624
625 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
626
627         * config/s390/s390.h: Make BRANCH_COST an option.
628         * config/s390/s390.opt: New option -mbranch-cost.
629
630 2012-01-26  Richard Henderson  <rth@redhat.com>
631
632         Revert 2012-01-24 change:
633         * trans-mem.c (requires_barrier): Do not instrument thread local
634         variables and emit save/restore for them.
635
636 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
637
638         PR middle-end/51986
639         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
640         for pat == 0.
641
642 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
643
644         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
645         ASM_OPERANDS.
646
647 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
648
649         PR target/49868
650         Rename __pgm to __flash.
651         Rename __pgm1 to __flash1.
652         Rename __pgm2 to __flash2.
653         Rename __pgm3 to __flash3.
654         Rename __pgm4 to __flash4.
655         Rename __pgm5 to __flash5.
656         Rename __pgmx to __memx.
657         * doc/extend.texi (AVR Named Address Spaces)
658         Rename address space names as indicated above.
659         * config/avr/avr.c (avr_addrspace): Ditto.
660
661         * config/avr/avr-protos.h
662         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
663         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
664         * config/avr/predicates.md: Ditto.
665         * config/avr/avr.c Ditto, and
666         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
667         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
668
669         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
670         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
671         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
672         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
673         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
674         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
675         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
676         * config/avr/avr.c: Ditto.
677         * config/avr/avr.md: Ditto.
678
679 2012-01-25  Jason Merrill  <jason@redhat.com>
680
681         PR c++/51992
682         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
683
684 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
685
686         PR tree-optimization/51987
687         * tree-data-ref.c (get_references_in_stmt): Handle references in
688         non-volatile GIMPLE_ASM.
689
690 2012-01-25  Richard Guenther  <rguenther@suse.de>
691
692         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
693         bases are dereferenced.
694
695 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
696
697         PR rtl-optimization/48374
698         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
699
700 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
701
702         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
703         compute_data_dependences_for_loop returns false.
704         * tree-parloops.c (loop_parallel_p): Likewise.
705
706 2012-01-25  Richard Guenther  <rguenther@suse.de>
707
708         * tree.h (get_pointer_alignment_1): Declare.
709         * builtins.c (get_pointer_alignment_1): New function.
710         (get_pointer_alignment): Use it.
711
712 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
713
714         PR rtl-optimization/48308
715         * combine.c (enum undo_kind): Add UNDO_LINKS.
716         (struct undo): Add member l to other_contents and where.
717         (do_SUBST_LINK): New.
718         (SUBST_LINK): New.
719         (try_combine): Handle LOG_LINKS for the dummy i1 case.
720         (undo_all): Handle UNDO_LINKS.
721
722 2012-01-25  Richard Henderson  <rth@redhat.com>
723
724         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
725         mem inputs.
726
727 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
728
729         * optabs.c (gen_atomic_test_and_set): Use each argument.
730
731 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
732
733         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
734         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
735         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
736         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
737         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
738         TARGET_PAIRED_SINGLE_FLOAT.
739
740 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
741
742         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
743         (in_struct, return_val): Remove MEM documentation.
744         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
745         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
746         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
747         and MEM_SCALAR.
748         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
749         * cfgexpand.c (add_alias_set_conflicts): Likewise.
750         * expr.c (store_field): Likewise.
751         * function.c (assign_stack_temp_for_type): Likewise.
752         * ifcvt.c (noce_try_cmove_arith): Likewise.
753         * reload1.c (reload): Likewise.
754         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
755         (alpha_set_memflags): Likewise.
756         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
757
758 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
759
760         * rtl.h (true_dependence, canon_true_dependence): Remove varies
761         parameter.
762         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
763         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
764         (true_dependence_1, true_dependence, canon_true_dependence): Remove
765         varies parameter.
766         * cselib.c (cselib_rtx_varies_p): Delete.
767         (cselib_invalidate_mem): Update call to canon_true_dependence.
768         * dse.c (record_store, check_mem_read_rtx): Likewise.
769         (scan_reads_nospill): Likewise.
770         * cse.c (check_dependence): Likewise.
771         (cse_rtx_varies_p): Delete.
772         * expr.c (safe_from_p): Update call to true_dependence.
773         * ira.c (validate_equiv_mem_from_store): Likewise.
774         (memref_referenced_p): Likewise.
775         * postreload-gcse.c (find_mem_conflicts): Likewise.
776         * sched-deps.c (sched_analyze_2): Likewise.
777         * store-motion.c (load_kills_store): Likewise.
778         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
779         * gcse.c (mems_conflict_for_gcse_p): Likewise.
780         (compute_transp): Update call to canon_true_dependence.
781
782 2012-01-25  Richard Henderson  <rth@redhat.com>
783
784         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
785         (maybe_emit_atomic_test_and_set): New.
786         (expand_sync_lock_test_and_set): Use it.
787         (expand_atomic_test_and_set): Likewise.
788         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
789         the implementation; clarify implementation defined details.
790         * doc/md.texi (atomic_test_and_set): Document.
791
792 2012-01-25  Richard Henderson  <rth@redhat.com>
793
794         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
795
796 2012-01-25  Richard Henderson  <rth@redhat.com>
797
798         PR target/51968
799         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
800         to effect no-op split.
801
802 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
803
804         PR lto/51698
805         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
806         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
807         (BT_FN_VOID_PTR_INT_SIZE): New.
808         (BT_FN_UINT_UINT_VAR): Remove.
809         (BT_FN_UINT32_UINT32_VAR): New.
810         (BT_FN_DOUBLE_VPTR): Remove.
811         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
812
813         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
814         (_ITM_changeTransactionMode): Same.
815         (_ITM_memmoveRtWt): Change return type to void.
816         (_ITM_memcpyRtWt): Same.
817         (_ITM_memsetW): Same.
818         (_ITM_RaRD): Change types to double.
819         (_ITM_RD): Same.
820         (_ITM_RaWD): Same.
821         (_ITM_RfWD): Same.
822
823         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
824
825 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
826             Patrick Marlier  <patrick.marlier@gmail.com>
827
828         * trans-mem.c (requires_barrier): Do not instrument thread local
829         variables and emit save/restore for them.
830
831 2012-01-24  Jason Merrill  <jason@redhat.com>
832
833         PR c++/51812
834         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
835         output static aliases.
836
837 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
838
839         PR driver/47249
840         * common.opt (-pie, -shared, pie, shared): Change from Common to
841         Driver.
842         * gcc.c (display_help): Display help for -pie and -shared.
843
844 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
845
846         PR target/49868
847         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
848         Remove note on size/offset limitation.
849         (AVR Variable Attributes): Add example how to read data located
850         with progmem.  Refer to named address spaces.
851         * doc/invoke.texi (AVR Options): Fix typo.
852
853 2012-01-24  Richard Guenther  <rguenther@suse.de>
854
855         Forward-port to trunk
856         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
857
858         PR middle-end/45678
859         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
860         op0 isn't sufficiently aligned and there is movmisalignM
861         insn for mode, use it to load op0 into a temporary register.
862
863 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
864
865         PR target/51957
866         * target.def (const_not_ok_for_debug_p): New hook.
867         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
868         documentation.
869         * doc/tm.texi: Regenerated.
870         * dwarf2out.c (const_ok_for_output_1): If
871         targetm.const_not_ok_for_debug_p returns true, fail.
872         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
873         function.
874         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
875
876 2012-01-23  Kai Tietz  <ktietz@redhat.com>
877
878         PR target/51900
879         * config/i386/predicates.md (symbolic_operand): Allow
880         UNSPEC_PCREL as PIC expression for lea.
881         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
882         * config/i386/i386.c (ix86_delegitimize_address): Handle
883         UNSPEC_PCREL for none-MEM, too.
884
885 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
886
887         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
888         (ipa_tm_create_version_alias): Same.
889
890 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
891
892         PR libitm/51830
893         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
894         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
895
896 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
897             Patrick Marlier  <patrick.marlier@gmail.com>
898             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
899
900         PR lto/51916
901         * lto-wrapper.c (run_gcc): Pass the LTO section name to
902         simple_object_start_read.
903
904 2012-01-23  Richard Guenther  <rguenther@suse.de>
905
906
907         PR tree-optimization/51895
908         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
909         parameter decomposition into BLKmode components.
910
911 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
912
913         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
914         fake variables for restrict-qualified pointers whose pointed-to type
915         contains a placeholder.
916
917 2012-01-23  Richard Guenther  <rguenther@suse.de>
918
919         PR tree-optimization/51949
920         * ipa-split.c (execute_split_functions): Do not split malloc functions.
921
922 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
923
924         PR rtl-optimization/51933
925         * ree.c (transform_ifelse): Return true right away if dstreg is
926         already wider or equal to cand->mode.
927         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
928         (make_defs_and_copies_lists): Remove defs_list and copies_list
929         arguments, add state argument, just truncate state->work_list
930         instead of always allocating and freeing the vector.  Assert that
931         get_defs succeeds instead of returning 2.  Changed return type to bool.
932         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
933         have ext_src_mode, see if it has been modified already with the
934         right kind of extension and has been extended before from the
935         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
936         just return true.  Remember the original mode in state->modified array.
937         (combine_reaching_defs): Add state argument.  Don't allocate and
938         free here def_list, copied_list and vec vectors, instead just
939         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
940         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
941         Add state variable, clear vectors in it, initialize state.modified
942         if needed.  Free all the vectors at the end and state.modified too.
943         Don't skip a candidate if the extension expression has been modified.
944
945 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
946
947         PR target/47096
948         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
949          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
950         (extra_options) interix.opt -> i386/interix.opt"
951         (extra_objs):Add winnt-stubs.o
952         * configure.ac: Add interix to target_os .comm on PE check.
953         * configure: Regenerate.
954         * config/interix3.h: Delete and move bits to..
955         * config/interix.h: Delete and move bits to..
956         * config/i386/i386-interix3.h: Delete and move bits to..
957         * config/i386/i386-interix.h: ..here.
958         (TARGET_CPU_DEFAULT): Remove redefinition.
959         (TARGET_ASM_CONSTRUCTOR): Undefine.
960         (SUBTARGET_SWITCHES): Define for ms-bitfields.
961         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
962         (PTRDIFF_TYPE): Define.
963         (LONG_DOUBLE_TYPE_SIZE): Define.
964         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
965         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
966         (TARGET_SECTION_TYPE_FLAGS): Define.
967         (ASM_DECLARE_FUNCTION_NAME): Define.
968         (ASM_OUTPUT_EXTERNAL): Define.
969         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
970         (ASM_OUTPUT_ALIGNED_BSS): Define.
971         (PCC_BITFIELD_TYPE_MATTERS): Define.
972         (USE_CONST_SECTION): Define.
973         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
974         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
975         (SUPPORTS_ONE_ONLY): Remove.
976         (I386_PE_STRIP_ENCODING): Define.
977         * config/interix.opt: Delete and move bits to..
978         * config/i386/interix.opt: ..here. New.
979         (mpe-aligned-commons): Add.
980         * config/i386/t-interix: Add copyright header.
981         (winnt-stubs.o): Add rule.
982
983 2012-01-22  Jason Merrill  <jason@redhat.com>
984
985         PR c++/51832
986         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
987         for extra name aliases.
988
989 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
990
991         PR rtl-optimization/51924
992         * ree.c (combine_set_extension): Improve debugging message.
993         (combine_reaching_defs): Likewise.
994         (get_defs): Rename confusingly named variable.
995         (find_and_remove_re): Skip a candidate if the extension expression has
996         been modified.
997
998 2012-01-21  Robert Millan  <rmh@gnu.org>
999             Gerald Pfeifer  <gerald@pfeifer.com>
1000
1001         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1002         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1003
1004 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1005
1006         PR tree-optimization/51914
1007         * tree-vect-stmts.c (vectorizable_conversion): For
1008         cvt_type && modifier == WIDEN, put temporary with cvt_type
1009         at the beginning of vec_dsts and set vec_dest to temporary
1010         with vectype_out.
1011
1012 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1013
1014         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1015
1016 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1017
1018         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1019         * config/rs6000/rs6000.c: Likewise.
1020
1021 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1022
1023         PR target/51915
1024         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1025         output_move_double on a copy of operands array.
1026
1027 2012-01-20  Cary Coutant  <ccoutant@google.com>
1028             Dodji Seketeli  <dodji@redhat.com>
1029
1030         PR debug/45682
1031         * dwarf2out.c (copy_declaration_context): Return ref to parent
1032         of declaration DIE, if necessary.
1033         (remove_child_or_replace_with_skeleton): Add new parameter; update
1034         caller.  Place skeleton DIE under parent DIE of original declaration.
1035         Move call to copy_declaration_context to here ...
1036         (break_out_comdat_types): ... from here.
1037
1038 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1039
1040         PR rtl-optimization/51856
1041         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1042         flag to reloaded.
1043
1044 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1045
1046         PR target/51819
1047         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1048         hints for neon loads and stores.
1049
1050 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1051
1052         PR target/49868
1053         PR target/50887
1054         * doc/extend.texi (Named Address Spaces): Split into subsections.
1055         (AVR Named Address Spaces): New subsection.
1056         (M32C Named Address Spaces): New subsection.
1057         (RL78 Named Address Spaces): New subsection.
1058         (SPU Named Address Spaces): New subsection.
1059         (Variable Attributes): New anchor "AVR Variable Attributes".
1060         (AVR Variable Attributes): Rewrite and avoid wording
1061         "address space" in this context.
1062         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1063         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1064         (AVR Built-in Macros): New subsubsection therein.
1065         * doc/md.texi (AVR constraints): Remove "C04", "R".
1066
1067 2012-01-20  Richard Guenther  <rguenther@suse.de>
1068
1069         PR tree-optimization/51903
1070         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1071         when removing stmts.
1072
1073 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1074
1075         PR target/50313
1076         * config/arm/arm.c (arm_load_pic_register): Use
1077         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1078         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1079         (arm_pic_static_addr): Likewise.
1080         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1081         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1082         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1083         (pic_load_addr_unified): New.
1084
1085 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1086
1087         PR target/51106
1088         * function.c (instantiate_virtual_regs_in_insn): Use
1089         delete_insn_and_edges when removing a wrong asm insn.
1090
1091 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1092
1093         PR rtl-optimization/40761
1094         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1095         Add new member loop_num.
1096         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1097         (ira_build): Remove the parameter.
1098
1099         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1100         (ira.c): Do not build CFG loops for one region allocation.  Remove
1101         argument from ira_build call.
1102
1103         * ira-build.c (init_loop_tree_node): New function.
1104         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1105         loops are not built.
1106         (more_one_region_p): Check current_loops.
1107         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1108         built.
1109         (add_loop_to_tree): Process loop equal to NULL too.
1110         (form_loop_tree): Separate the case when CFG loops are not built.
1111         Use explicitly number for the root.
1112         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1113         an assertion.
1114         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1115         instead of loop->num.
1116         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1117         (mark_all_loops_for_removal): Ditto.
1118         (remove_unnecessary_regions): Separate the case when CFG loops
1119         are not built.
1120         (ira_build): Remove the parameter.  Use explicit number of regions
1121         when CFG loops are not built.
1122
1123         * ira-color.c (print_loop_title): Separate the case for the root node.
1124         Use loop_num instead of loop->num.
1125         (move_spill_restore): Use loop_num instead of loop->num.
1126
1127         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1128         (change_loop): Ditto.
1129         (change_loop): Use loop_num instead of loop->num.
1130
1131         * ira-lives.c (process_bb_node_lives): Ditto.
1132
1133         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1134
1135         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1136
1137 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1138
1139         PR libmudflap/40778
1140         * tree-mudflap.c (mf_artificial): New function.
1141         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1142         mx_register_decls, mudflap_enqueue_decl): Use it.
1143
1144         PR target/51876
1145         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1146         numbers in the insn pattern.
1147
1148 2012-01-19  Michael Matz  <matz@suse.de>
1149
1150         PR tree-optimization/46590
1151         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1152         use it in remembering which conflicts we already created.
1153         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1154         bitmap.
1155
1156 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1157
1158         PR lto/51280
1159         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1160         (merge_and_complain): Same.
1161
1162 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1163
1164         PR bootstrap/50237
1165         * config/initfini-array.h: Guard content of the header
1166         with #ifdef HAVE_INITFINI_ARRAY.
1167         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1168         Add initfini-array.h to tm_file here.
1169         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1170         * config.gcc: Don't add initfini-array.h to tm_file here.
1171         * configure: Regenerated.
1172
1173 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1174
1175         PR rtl-optimization/51505
1176         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1177         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1178         (df_note_bb_compute): Update the call to df_kill_notes.
1179
1180 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1181
1182         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1183
1184 2012-01-18  Richard Guenther  <rguenther@suse.de>
1185
1186         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1187         of conversions to void *.
1188
1189 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1190             Richard Sandiford  <rdsandiford@googlemail.com>
1191
1192         PR middle-end/50325
1193         PR middle-end/51192
1194         * optabs.h (simplify_expand_binop): Declare.
1195         * optabs.c (simplify_expand_binop): Make global.
1196         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1197         endian targets if the source cannot be exactly covered by word
1198         mode chunks.
1199
1200 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1201
1202         PR bootstrap/51872
1203         * hard-reg-set.h (struct hard_reg_set_container): New type.
1204         * target.h (struct hard_reg_set_container): Forward declare.
1205         * target.def (set_up_by_prologue): New target hook.
1206         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1207         * doc/tm.texi: Regenerated.
1208         * function.c (thread_prologue_and_epilogue_insns): Change
1209         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1210         Call targetm.set_up_by_prologue on it.
1211         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1212         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1213
1214 2012-01-17  Nick Clifton  <nickc@redhat.com>
1215
1216         * config/rx/rx.c (rx_can_use_simple_return): New function.
1217         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1218         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1219
1220 2012-01-17  Richard Guenther  <rguenther@suse.de>
1221
1222         PR middle-end/51782
1223         * expr.c (expand_assignment): Take address-space information
1224         from the address operand of MEM_REF and TARGET_MEM_REF.
1225         (expand_expr_real_1): Likewise.
1226
1227 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1228
1229         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1230         reload dump is requested.
1231
1232 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1233
1234         PR other/51165
1235         * trans-mem.c (requires_barrier): Call may_be_aliased.
1236
1237 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1238
1239         PR tree-optimization/51877
1240         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1241         call arguments and fndecls compare equal, instead return false if they
1242         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1243         both SSA_NAMEs that are valueized the same, or they satisfy
1244         operand_equal_p.
1245
1246 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1247
1248         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1249         Solaris 11+.
1250         * configure: Regenerate.
1251
1252 2012-01-16  Jan Hubicka  <jh@suse.cz>
1253
1254         PR c/12245
1255         PR c++/14179
1256         * convert.c (convert_to_integer): Use fold_convert for
1257         converting an INTEGER_CST to integer type.
1258
1259 2012-01-16  Jason Merrill  <jason@redhat.com>
1260
1261         PR c++/14179
1262         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1263
1264 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1265
1266         PR bootstrap/51860
1267         * config/s390/s390.c (s390_chunkify_start): Don't skip
1268         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1269         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1270         If insn is followed by NOTE_INSN_VAR_LOCATION or
1271         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1272         Don't use location of note insns.
1273
1274         PR tree-optimization/51865
1275         * tree-inline.c (tree_function_versioning): Call remap_decl
1276         on DECL_RESULT whenever it has VOID_TYPE_P type.
1277
1278 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1279
1280         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1281         for calls to locally-binding MIPS16 functions if only the return
1282         type uses float regs.
1283
1284 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1285             Richard Sandiford  <rdsandiford@googlemail.com>
1286
1287         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1288         (SYMBOL_32_HIGH): Likewise.
1289         (mips_output_tls_reloc_directive): Declare.
1290         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1291         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1292         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1293         (mips_lo_relocs, mips_hi_relocs): Make extern.
1294         (mips16_stub_function): Move up file.
1295         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1296         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1297         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1298         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1299         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1300         (mips_get_tp): Add MIPS16 support.
1301         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1302         Generalize DTPREL and TPREL handling.
1303         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1304         Add MIPS16 TLS support.
1305         (mips_output_tls_reloc_directive): New function.
1306         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1307         * config/mips/predicates.md (symbolic_operand_with_high)
1308         (tls_reloc_operand): New predicates.
1309         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1310         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1311         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1312         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1313         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1314         (*tls_get_tp_mips16_call_<mode>): Likewise.
1315
1316 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1317
1318         PR rtl-optimization/51821
1319         * recog.c (peep2_find_free_register): Determine clobbered registers
1320         from insn pattern.
1321
1322 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1323
1324         PR target/50925
1325         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1326         * config/avr/avr.c: Likewise.
1327         * config/avr/avr.h: Likewise.
1328
1329 2012-01-13  Ian Lance Taylor  <iant@google.com>
1330
1331         PR c++/50012
1332         * tree.h (TYPE_QUALS): Add cast to int.
1333         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1334
1335 2012-01-13  Ian Lance Taylor  <iant@google.com>
1336
1337         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1338         comparing param_index to VEC_length result.
1339
1340 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1341
1342         * c-decl.c: Do not include tree-mudflap.h
1343         * tree-optimize.c: Likewise.
1344         * Makefile.in: Update dependencies.
1345
1346 2012-01-13  Richard Guenther  <rguenther@suse.de>
1347
1348         PR middle-end/8081
1349         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1350         variable-sized result always use RSO.
1351
1352 2012-01-12  DJ Delorie  <dj@redhat.com>
1353
1354         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1355         pointer type, not just the default pointer type.
1356
1357 2012-01-09  Richard Henderson  <rth@redhat.com>
1358             Denis Chertykov  <chertykov@gmail.com>
1359
1360         PR target/50925
1361         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1362         * config/avr/avr.c (avr_can_eliminate): Simplify.
1363         (avr_initial_elimination_offset): Likewise.
1364         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1365         (expand_epilogue): Likewise.
1366         (avr_legitimize_address): Gut.
1367         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1368         (avr_hard_regno_nregs): New.
1369         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1370         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1371         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1372         add soft frame pointer.
1373         (CALL_USED_REGISTERS): Likewise.
1374         (REG_CLASS_CONTENTS): Likewise.
1375         (REGISTER_NAMES): Likewise.
1376         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1377         (HARD_FRAME_POINTER_REGNUM): New.
1378         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1379         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1380         remove the HARD_FRAME_POINTER self-elimination.
1381
1382 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1383
1384         PR target/51756
1385         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1386         DECL_EXTERNAL when checking for initializers of progmem variables.
1387
1388 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1389
1390         PR tree-optimization/51799
1391         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1392         that the last operation is a type demotion.
1393
1394 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1395
1396         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1397         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1398
1399 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1400
1401         PR bootstrap/51796
1402         * combine.c (distribute_notes): If i3 is a noreturn call,
1403         allow old_size to be equal to args_size and make sure the
1404         noreturn call gets REG_ARGS_SIZE note.
1405         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1406         on noreturn calls even when the delta is 0.
1407
1408 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1409
1410         * gcov.c (STRING_SIZE): Remove.
1411         (generate_results): Erase annotations for source files with no
1412         coverage information.
1413         (read_line): New.
1414         (output_lines): Use it.
1415
1416 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1417
1418         * gimple.h (gimplify_body): Remove first argument.
1419         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1420         pointer set here, instead just pass DATA to walk_tree.
1421         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1422         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1423         (unvisit_body): Likewise, but with unmark_visited.
1424         (gimplify_body): Remove BODY_P argument and adjust.
1425         (gimplify_function_tree): Adjust call to gimplify_body.
1426         * omp-low.c (finalize_task_copyfn): Likewise.
1427
1428 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1429
1430         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1431         (build_function_type_skip_args): Delete.
1432         * tree.c (build_function_type_skip_args): Make static and add
1433         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1434         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1435         pass it to build_function_type_skip_args.
1436         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1437         (tree_function_versioning): Likewise.
1438         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1439         build_function_decl_skip_args.
1440         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1441         and pass it to build_function_decl_skip_args/tree_function_versioning.
1442         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1443         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1444         * trans-mem.c (ipa_tm_create_version): Likewise.
1445         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1446         * tree-inline.c (declare_return_variable): Remove always-true test.
1447         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1448         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1449         * ipa-split.c (split_function): Skip the return value for the split
1450         part if it doesn't return.
1451
1452 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1453
1454         PR tree-optimization/49642
1455         * ipa-split.c (forbidden_dominators): New variable.
1456         (check_forbidden_calls): New function.
1457         (dominated_by_forbidden): Likewise.
1458         (consider_split): Check for forbidden dominators.
1459         (execute_split_functions): Initialize and free forbidden
1460         dominators info; call check_forbidden_calls.
1461
1462 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1463
1464         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1465
1466 2012-01-11  Nick Clifton  <nickc@redhat.com>
1467
1468         * config/rx/rx.md (return): Define pattern.
1469
1470 2012-01-11  Richard Guenther  <rguenther@suse.de>
1471
1472         * doc/extend.texi (malloc attribute): Adjust according to
1473         implementation.
1474
1475 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1476             Patrick Marlier  <patrick.marlier@gmail.com>
1477
1478         PR middle-end/51516
1479         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1480         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1481         (ipa_tm_note_irrevocable): Same.
1482         (ipa_tm_scan_irr_block): Same.
1483         (ipa_tm_decrement_clone_counts): Same.
1484         (ipa_tm_scan_irr_function): Same.
1485         (ipa_tm_create_version_alias): Same.
1486         (ipa_tm_create_version): Same.
1487         (ipa_tm_transform_calls_redirect): Same.
1488         (ipa_tm_transform_calls): Same.
1489         (ipa_tm_transform_transaction): Same.
1490         (ipa_tm_execute): Same.
1491
1492 2012-01-10  Richard Guenther  <rguenther@suse.de>
1493
1494         PR middle-end/51806
1495         * opts.c (common_handle_option): Handle -Werror.
1496
1497 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1498
1499         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1500         operand number.
1501
1502 2012-01-10  Jason Merrill  <jason@redhat.com>
1503
1504         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1505         information.
1506
1507 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1508
1509         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1510         supports R_386_TLS_GD_PLT reloc.
1511         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1512         supports R_386_TLS_LDM_PLT reloc.
1513         * configure: Regenerate.
1514         * config.in: Regenerate.
1515
1516 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1517
1518         PR target/49868
1519         Extend __pgmx semantics to linearize memory.
1520         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1521         determine if code comes inline or from libgcc.
1522         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1523         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1524         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1525         (movmemx_qi, movmemx_hi): New insns.
1526         (xload_<mode>_libgcc): Rewrite to new insn condition.
1527         (xload_<mode>): Remove insns.
1528         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1529         cases that don't satisfy avr_xload_libgcc_p().
1530         (avr_addr_space_convert): Allow converting in any direction.
1531         (avr_addr_space_subset_p): Return always true.
1532         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1533         (avr_emit_movmemhi): Ditto.
1534         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1535         (avr_out_movmem): Ditto.
1536         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1537         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1538         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1539         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1540         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1541
1542 2012-01-10  Richard Guenther  <rguenther@suse.de>
1543
1544         PR tree-optimization/50913
1545         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1546         Require data-refs to be representable by Graphite with respect
1547         to any loop nest.
1548
1549 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1550
1551         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1552         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1553
1554 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1555
1556         PR rtl-optimization/51271
1557         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1558         handling annulled branch.
1559
1560 2012-01-10  Richard Henderson  <rth@redhat.com>
1561
1562         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1563         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1564         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1565         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1566         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1567         arm_expand_vec_perm_const): New.
1568         * config/arm/arm-protos.h: Update.
1569         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1570         (*neon_vswp<VDQX>): New.
1571         (neon_vcombine<VDX>): Use neon_split_vcombine.
1572         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1573         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1574         (vec_perm<VE>): New.
1575
1576 2012-01-10  Richard Henderson  <rth@redhat.com>
1577
1578         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1579         use it if reload_completed.
1580         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1581         arm_output_asm_insn, arm_process_output_memory_barrier,
1582         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1583         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1584         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1585         arm_process_output_sync_insn, arm_output_sync_insn,
1586         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1587         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1588         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1589         (emit_unlikely_jump): New.
1590         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1591         (arm_split_atomic_op): New.
1592         * config/arm/arm-protos.h: Update.
1593         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1594         (struct arm_sync_generator): Remove.
1595         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1596         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1597         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1598         (VUNSPEC_LL, VUNSPEC_SC): New.
1599         (sync_result, sync_memory, sync_required_value, sync_new_value,
1600         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1601         (attr length): Don't use arm_sync_loop_insns.
1602         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1603         (movsfcc, movdfcc): Likewise.
1604         * config/arm/constraints.md (Ua): New.
1605         * config/arm/prediates.md (mem_noofs_operand): New.
1606         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1607         (sync_clobber, sync_t2_reqd): Remove.
1608         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1609         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1610         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1611         (arm_sync_compare_and_swap<SIDI>): Remove.
1612         (arm_sync_compare_and_swap<NARROW>): Remove.
1613         (arm_sync_lock_test_and_set<SIDI>): Remove.
1614         (arm_sync_lock_test_and_set<NARROW>): Remove.
1615         (arm_sync_new_<syncop><SIDI>): Remove.
1616         (arm_sync_new_<syncop><NARROW>): Remove.
1617         (arm_sync_new_nand<SIDI>): Remove.
1618         (arm_sync_new_nand<NARROW>): Remove.
1619         (arm_sync_old_<syncop><SIDI>): Remove.
1620         (arm_sync_old_<syncop><NARROW>): Remove.
1621         (arm_sync_old_nand<SIDI>): Remove.
1622         (arm_sync_old_nand<NARROW>): Remove.
1623         (*memory_barrier): Merge arm_output_memory_barrier.
1624         (atomic_compare_and_swap<QHSD>): New.
1625         (atomic_compare_and_swap<NARROW>_1): New.
1626         (atomic_compare_and_swap<SIDI>_1): New.
1627         (atomic_exchange<QHSD>): New.
1628         (cas_cmp_operand, cas_cmp_str): New.
1629         (atomic_op_operand, atomic_op_str): New.
1630         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1631         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1632         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1633         (arm_load_exclusive<NARROW>): New.
1634         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1635         (arm_store_exclusive<QHSD>): New.
1636
1637 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1638
1639         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1640         reload patterns if -mvsx-scalar-memory.
1641
1642         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1643         generated, even -mno-vsx-scalar-double was used.
1644         (vsx_xscvdpsp_scalar): Likewise.
1645         (vsx_xscvspdp_scalar2): Likewise.
1646
1647 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1648             Andrew Pinski  <apinski@cavium.com>
1649
1650         PR debug/51471
1651         * reorg.c (fill_slots_from_thread): Don't speculate
1652         frame-related insns.
1653
1654 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1655
1656         * sched-int.h (bb_note): Move to...
1657         * basic-block.h: ...here.
1658         * haifa-sched.c (bb_note): Move to...
1659         * cfgrtl.c: ...here.
1660         * function.c (next_block_for_reg): New function.
1661         (move_insn_for_shrink_wrap): Likewise.
1662         (prepare_shrink_wrap): Rewrite to use the above.
1663
1664 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1665
1666         * gimple.c (is_gimple_non_addressable): Remove.
1667         * gimple.h: Remove is_gimple_non_addressable.
1668         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1669         is_gimple_non_addressable.
1670         * trans-mem.c (expand_assign_tm): Same.
1671
1672 2012-01-09  Richard Guenther  <rguenther@suse.de>
1673
1674         PR tree-optimization/51775
1675         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1676         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1677
1678 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1679
1680         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1681         tuning parameters.
1682         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1683
1684 2012-01-09  Richard Guenther  <rguenther@suse.de>
1685
1686         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1687
1688 2012-01-08  Jan Hubicka  <jh@suse.cz>
1689
1690         PR tree-optimize/51680
1691         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1692         on when known_vals needs to be computed; cleanup.
1693
1694 2012-01-08  Jan Hubicka  <jh@suse.cz>
1695
1696         PR tree-optimize/51694
1697         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1698
1699 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1700
1701         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1702         for -std=c++98 and -std=c++11 too.
1703
1704 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1705
1706         * cfgloop.c (cancel_loop): Add free() of bbs array.
1707
1708 2012-01-07  Jan Hubicka  <jh@suse.cz>
1709
1710         PR tree-optimization/51600
1711         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1712         that benefits small functions.
1713
1714 2012-01-07  Jan Hubicka  <jh@suse.cz>
1715
1716         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1717
1718 2012-01-07  Jan Hubicka  <jh@suse.cz>
1719
1720         PR tree-optimization/51680
1721         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1722         whose inlining reduce unit size.
1723
1724 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1725
1726         PR bootstrap/51725
1727         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1728         Add canonical node to containing_mem chain after the non-canonical
1729         one, even if there weren't any locs to propagate.
1730         (remove_useless_values): Keep only canonical values.
1731         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1732         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1733         canonicalize mem_chain elements that are not discarded.
1734
1735 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1736
1737         PR target/47333
1738         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1739         before emitting functions.
1740
1741         PR gcov-profile/50127
1742         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1743         clear_aux_for_blocks.
1744
1745 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1746
1747         PR debug/51746
1748         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1749
1750 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1751
1752         * c-decl.c (ext_block): Moved up.
1753         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1754
1755 2012-01-06  Han Shen  <shenhan@google.com>
1756
1757         Translate built-in include paths for sysroot.
1758         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1759         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1760
1761         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1762         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1763
1764         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1765         control whether sysroot should be prepended to gxx include dir.
1766
1767         * configure: Regenerate.
1768
1769 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1770
1771         PR rtl-optimization/51771
1772         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1773         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1774
1775 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1776
1777         PR tree-optimization/51315
1778         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1779         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1780
1781 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1782
1783         PR target/51681
1784         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1785         for shrp pattern.  Correctly handle and fixup shift variable.
1786         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1787
1788 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1789
1790         PR debug/51762
1791         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1792         note when !ACCUMULATE_OUTGOING_ARGS.
1793
1794 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1795
1796         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1797         condition.
1798         (extract_range_from_unary_expr_1): Avoid useless computations.
1799
1800 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1801
1802         PR rtl-optimization/51767
1803         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1804         of jump_block and add an extra edge for degenerated asm gotos.
1805
1806         PR middle-end/51768
1807         * stmt.c (check_unique_operand_names): Don't ICE during error
1808         reporting if i is from labels chain.
1809
1810         PR middle-end/44777
1811         * profile.c (branch_prob): Split bbs that have exit edge
1812         and need a fake entry edge too.
1813
1814 2012-01-05  Jan Hubicka  <jh@suse.cz>
1815
1816         PR middle-end/49710
1817         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1818         unlooping loops.
1819
1820 2012-01-05  Richard Guenther  <rguenther@suse.de>
1821
1822         PR lto/50490
1823         * tree-streamer-out.c (write_ts_optimization): New function.
1824         (streamer_write_tree_body): Call it.
1825         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1826         (streamer_read_tree_body): Call it.
1827         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1828
1829 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1830
1831         PR middle-end/51761
1832         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1833         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1834         in_cleanup_point_expr before gimplify_stmt call and restore it
1835         afterwards.
1836         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1837         in_cleanup_point_expr is false.
1838
1839 2012-01-05  Richard Guenther  <rguenther@suse.de>
1840
1841         PR middle-end/51764
1842         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1843         to c.opt.
1844         * toplev.c (process_options): Reject combining mudflap and LTO.
1845         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1846
1847 2012-01-05  Richard Guenther  <rguenther@suse.de>
1848
1849         PR tree-optimization/51760
1850         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1851         not VARYING.
1852         (bit_value_unop): Handle UNDEFINED operands.
1853         (bit_value_binop): Likewise.
1854
1855 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1856
1857         * config/avr/avr.c (avr_replace_prefix): Remove.
1858         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1859         (avr_asm_function_rodata_section): Ditto.
1860         (avr_asm_select_section): Ditto.
1861
1862 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1863
1864         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1865         insertion.
1866
1867 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1868
1869         PR bootstrap/51648
1870         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1871         calls that have any non-fake successor edges.
1872
1873         PR debug/51746
1874         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1875
1876 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1877
1878         PR tree-optimization/51624
1879         * tree-sra.c (build_ref_for_model): When replicating a chain of
1880         COMPONENT_REFs, stop as soon as the offset would become negative.
1881
1882 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1883
1884         PR debug/51695
1885         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1886         in .debug_loc on the floor.
1887
1888 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1889
1890         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1891
1892 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1893             Adam Nemet  <anemet@caviumnetworks.com>
1894
1895         * config/mips/mips.md (size): Add SI and DI.
1896         (SIZE): New mode attribute.
1897         (U): New code attribute.
1898         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1899         (mips_lbux_<mode>): Delete.
1900         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1901         (mips_lhx): Use gen_mips_lhx_extsi.
1902         (mips_lhx_<mode>): Delete.
1903         (mips_lwx): Delete.
1904         (mips_l<size>x): New expand.
1905         (mips_lwx_<mode>): Delete.
1906         (mips_l<GPR:size>x_<P:mode>): New pattern.
1907         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1908         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1909         * config/mips/mips.c (mips_lx_address_p): New function.
1910         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1911         (dsp64): New availability predicate.
1912         (mips_builtins): Add an entry for __builtin_mips_ldx.
1913         * config/mips/mips.h (ISA_HAS_LBX): New define.
1914         (ISA_HAS_LBUX): Likewise.
1915         (ISA_HAS_LHX): Likewise.
1916         (ISA_HAS_LHUX): Likewise.
1917         (ISA_HAS_LWX): Likewise.
1918         (ISA_HAS_LWUX): Likewise.
1919         (ISA_HAS_LDX): Likewise.
1920         * doc/extend.texi (__builtin_mips_ldx): Document.
1921
1922 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1923
1924         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1925         when long pointers are used.
1926         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1927         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1928         (ia64-hp-*vms*): Remove.
1929         * config/vms/xm-vms64.h: Delete.
1930
1931 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1932
1933         PR middle-end/51472
1934         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1935
1936 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1937
1938         * opts.c (finish_options): Remove duplicate sorry.
1939
1940 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1941
1942         PR middle-end/51696
1943         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1944         correctly.
1945
1946 2012-01-04  Richard Guenther  <rguenther@suse.de>
1947
1948         PR middle-end/51750
1949         * tree.c (size_low_cst): New function.
1950         * tree.h (size_low_cst): Declare.
1951         * fold-const.c (fold_comparison): Use it to extract the low
1952         part of the POINTER_PLUS_EXPR offset.
1953
1954 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1955
1956         Fix clearing ZERO_REG
1957         * config/avr/avr.md (cc): Add alternative "ldi".
1958         (movqi_insn): Use it in cc attribute.
1959         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1960         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1961         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1962
1963 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1964
1965         * configure: Regenerate.
1966
1967 2012-01-04  Richard Guenther  <rguenther@suse.de>
1968
1969         PR tree-optimization/49651
1970         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1971         (var_can_have_subvars): Use it.
1972         (get_constraint_for_1): Only consider subfields if there can be any.
1973
1974 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1975
1976         PR bootstrap/51725
1977         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1978         to its new canonical_cselib_val and the cselib_val was in
1979         first_containing_mem chain, but the canonical_cselib_val was not,
1980         add the latter into the chain.
1981         (cselib_invalidate_mem): Compare canonical_cselib_val of
1982         addr_list chain elt with v.
1983
1984         PR pch/51722
1985         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1986         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1987         of xstrdup.
1988         (output_macinfo_op): Don't ggc_strdup fd->filename.
1989         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1990         then ggc_strdup it.  Don't free inc->info or cur->info.
1991         (output_macinfo): Don't free ref->info or file->info.
1992
1993 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1994
1995         PR tree-optimization/51269
1996         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1997         first_niters a pointer.
1998         (slpeel_tree_peel_loop_to_edge): Likewise.
1999         (vect_do_peeling_for_loop_bound): Update call to
2000         slpeel_tree_peel_loop_to_edge.
2001         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2002         here.  Remove it from the parameters list.
2003         (vect_do_peeling_for_alignment): Update calls and compute
2004         wide_prolog_niters.
2005
2006 2012-01-03  Richard Guenther  <rguenther@suse.de>
2007
2008         PR tree-optimization/51070
2009         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2010         Properly handle calls.
2011
2012 2012-01-03  Richard Guenther  <rguenther@suse.de>
2013
2014         PR tree-optimization/51692
2015         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2016         the LHS of allocation stmts.
2017
2018 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2019
2020         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2021
2022 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2023
2024         * collect2.c (main): In AIX specific computations for vector
2025         insertions, use CONST_CAST2 to cast from char ** to const char **.
2026
2027 2012-01-03  Richard Guenther  <rguenther@suse.de>
2028
2029         PR debug/51650
2030         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2031         the context of a limbo DIE when it does not already exist.
2032
2033 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2034
2035         PR tree-optimization/51719
2036         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2037         but direct call is, clear direct call's lhs and don't add fallthrough
2038         edge from dcall_bb to join_bb and PHIs.
2039
2040 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2041
2042         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2043         the instructions emitted by the pattern.
2044         ("*TDC_insn_<mode>"): Add comment.
2045
2046 2012-01-03  Richard Guenther  <rguenther@suse.de>
2047
2048         PR middle-end/51730
2049         * fold-const.c (fold_comparison): Properly canonicalize
2050         tree offset and HOST_WIDE_INT bit position.
2051
2052 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2053
2054         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2055         operands for extzv pattern.
2056
2057 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2058
2059         PR bootstrap/51725
2060         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2061         on mem_elt first.
2062
2063 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2064
2065         * doc/invoke.texi (-flto and related options): Copy-edit.
2066
2067 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2068
2069         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2070
2071 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2072
2073         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2074         New patterns.
2075
2076 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2077
2078         * expr.h (move_by_pieces_ninsns): Declare.
2079         * expr.c (move_by_pieces_ninsns): Make external.
2080         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2081         (mips_store_by_pieces_p): Likewise.
2082         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2083         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2084         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2085         (mips_store_by_pieces_p): Likewise.
2086
2087 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2088
2089         * passes.c (register_one_dump_file): Free full_name.
2090
2091         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2092         (calculate_elim_costs_all_insns): Free offsets_at and
2093         offsets_known_at at the end and clear the pointers.
2094
2095 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2096
2097         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2098         this option introduced in r180739.
2099
2100 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2101
2102         PR target/51345
2103         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2104         (tmake_file target=avr): Add avr/t-multilib.
2105
2106         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2107         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2108         * config/avr/genmultilib.awk: New file.
2109         * config/avr/t-multilib: New auto-generated file.
2110         * config/avr/multilib.h: New auto-generated file.
2111         * config/avr/t-avr (AVR_MCUS): New variable.
2112         (genopt.sh): Use it.
2113         (s-mlib): Depend on t-multilib.
2114         (t-multilib, multilib.h): New dependencies.
2115         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2116         (MULTILIB_OPTIONS): Remove.
2117         (MULTILIB_MATCHES): Remove.
2118         (MULTILIB_DIRNAMES): Remove.
2119         (MULTILIB_EXCEPTIONS): Remove:
2120         * config/avr/genopt.sh: Don't use hard coded file name;
2121         pass AVR_MCUS from t-avr instead.
2122
2123 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2124
2125         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2126
2127 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2128
2129         Implement light-weight DImode support.
2130         * config/avr/avr-dimode.md: New file.
2131         * config/avr/avr.md: Include it.
2132         (adjust_len): Add plus64, compare64.
2133         (HIDI): Remove code iterator.
2134         (code_stdname): New code attribute.
2135         (rotx, rotsmode): Remove DI.
2136         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2137         as code iterator.
2138         * config/avr/avr-protos.h (avr_have_dimode): New.
2139         (avr_out_plus64, avr_out_compare64): New.
2140         * config/avr/avr.c (avr_out_compare): Handle DImode.
2141         (avr_have_dimode): New variable definition and initialization.
2142         (avr_out_compare64, avr_out_plus64): New functions.
2143         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2144         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2145         (avr_compare_pattern): Skip DImode comparisons.
2146
2147 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2148
2149         * ddg.c (def_has_ccmode_p): New function.
2150         (add_cross_iteration_register_deps,
2151         create_ddg_dep_from_intra_loop_link): Call it.
2152
2153 2012-01-02  Richard Guenther  <rguenther@suse.de>
2154
2155         PR other/51679
2156         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2157
2158 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2159
2160         * gcc.c (process_command): Update copyright notice dates.
2161         * gcov.c (print_version): Likewise.
2162         * gcov-dump.c (print_version): Likewise.
2163         * mips-tfile.c (main): Likewise.
2164         * mips-tdump.c (main): Likewise.
2165
2166 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2167
2168         PR tree-optimization/51704
2169         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2170         a use is inside the basic block or loop before accessing its vect info.
2171
2172 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2173
2174         PR rtl-optimization/51069
2175         * cfgloopmanip.c (remove_path): Removing path making irreducible
2176         region unconditional makes BB part of the region.
2177
2178 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2179
2180         PR tree-optimization/51683
2181         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2182         calls with side-effects.
2183         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2184 \f
2185 Copyright (C) 2012 Free Software Foundation, Inc.
2186
2187 Copying and distribution of this file, with or without modification,
2188 are permitted in any medium without royalty provided the copyright
2189 notice and this notice are preserved.