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1 2012-02-10  Jan Hubicka  <jh@suse.cz>
2
3         PR middle-end/48600
4         * predict.c (predict_paths_for_bb): Prevent looping.
5         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
6
7 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
8
9         * config/arm/arm.c (output_move_double): In one case properly
10         count number of instructions that will be emitted.
11
12 2012-02-10  Richard Guenther  <rguenther@suse.de>
13
14         PR translation/52193
15         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
16
17 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
18
19         PR middle-end/52140
20         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
21
22 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
23
24         PR debug/52165
25         * var-tracking.c (emit_note_insn_var_location): If
26         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
27         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
28         non-NOTE_DURING_CALL_P insn.
29
30 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
31
32         PR middle-end/51867
33         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
34
35 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
36
37         PR driver/48524
38         * gcc.c (switch_matches) Support switches with separated form, -D
39         and -U.
40
41 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
42
43         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
44         (SP_ADDR): Ditto.
45         (RAMPZ_ADDR): Ditto.
46         * config/avr/avr.c (avr_addr_t): New typedef.
47         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
48         (avr_init_expanders): Initialize it.
49         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
50         SREG_ADDR.
51         (expand_epilogue): Ditto.
52         (avr_print_operand): Ditto.
53         (avr_file_start): Ditto.
54         (avr_emit_movmemhi): Ditto.
55
56 2012-02-08  Richard Guenther  <rguenther@suse.de>
57
58         PR tree-optimization/46886
59         * tree-flow.h (do_while_loop_p): Declare.
60         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
61         * tree-parloops.c (parallelize_loops): Only parallelize do-while
62         loops.
63
64 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
65
66         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
67         always succeed for integers larger than a native word.
68
69 2012-02-08  Richard Guenther  <rguenther@suse.de>
70
71         PR rtl-optimization/52170
72         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
73         properly handle integer vector modes.
74
75 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
76
77         PR gcov-profile/52150
78         * coverage.c: Include target.h.
79         (build_var): Call targetm.strip_name_encoding on the assembler name.
80         Change one _ into . or $ if the target allows it.
81         * Makefile.in (coverage.o): Depend on $(TARGET_H).
82
83         PR rtl-optimization/52139
84         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
85         is a BARRIER after emit_insn_after_noloc, move BB_END
86         to the last non-BARRIER insn before it.
87
88 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
89
90         PR middle-end/24306
91         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
92         (mips_gimplify_va_arg_expr): Call it instead of
93         std_gimplify_va_arg_expr.
94
95 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
96
97         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
98         message for -mno-pointers-to-nested-function.
99
100 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
101
102         PR middle-end/51994
103         * expr.c (get_inner_reference): If there is an offset, add a negative
104         bit position to it (if any).
105
106 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
107
108         PR rtl-optimization/52060
109         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
110         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
111         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
112         and/or i0src_copy2 when needed.
113
114 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
115
116         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
117         or LTOPLUGINSONAME if have_c.
118
119         * config/freebsd-spec.h: Add comment about what macros can be defined
120         in this header.
121         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
122         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
123         here instead.
124
125 2012-02-07  Richard Guenther  <rguenther@suse.de>
126
127         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
128         newline in -alias dumps.
129
130 2012-02-07  Kai Tietz  <ktietz@redhat.com>
131             Dave Korn  <dave.korn.cygwin@gmail.com>
132
133         PR target/40068
134         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
135         Take care that typinfo gets dllexport-attribute.
136
137 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
138
139         PR middle-end/52074
140         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
141         if modifier < EXPAND_SUM call force_operand on the result.
142
143 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
144
145         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
146         adding __forwarder_dst__ prefix if a forwarder_section attribute is
147         present.
148         (epiphany_function_type): Replace types for specific interrupts with
149         EPIPHANY_FUNCTION_INTERRUPT.
150         (EPIPHANY_INTERRUPT_P): Update.
151         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
152         New static function.
153         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
154         <disinterrupt>: Affects type identity.
155         (epiphany_handle_interrupt_attribute): Handle variable number of
156         arguments.
157         (epiphany_compute_function_type): Update for new
158         epiphany_function_type definition.
159         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
160         handlers with a longcall forwarder.
161         (epiphany_start_function): Handle multiple interrupt arguments and/or
162         forwarder_section attribute.
163
164         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
165
166 2012-02-07  Alan Modra  <amodra@gmail.com>
167
168         PR target/52107
169         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
170         subregs of TFmode.
171
172 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
173
174         PR tree-optimization/50969
175         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
176         use vec_perm rather than vector_stmt.
177         (vect_model_load_cost): Likewise.
178         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
179         vec_perm to be the same as other vector statements.
180         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
181         cost of vec_perm for TARGET_VSX.
182
183 2012-02-06  Richard Guenther  <rguenther@suse.de>
184
185         PR tree-optimization/52115
186         * tree-sra.c (access_has_replacements_p): New function.
187         (sra_modify_assign): Use it to decide whether a use is uninitialized.
188
189 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
190
191         PR middle-end/52047
192         * trans-mem.c (expand_call_tm): Add an assertion.
193         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
194         functions.
195
196 2012-02-06  Richard Guenther  <rguenther@suse.de>
197
198         PR tree-optimization/50955
199         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
200         raise cost of expressions that replace an address with an
201         expression based on a different pointer.
202
203 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
204
205         PR target/52129
206         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
207         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
208
209 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
210
211         PR c++/48680
212         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
213         -Weffc++ and specify guidelines come from second edition.
214
215 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
216
217         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
218         (sibcall_value_multiple_internal, call_split, call_internal_direct)
219         (call_direct_split, call_value_split, call_value_internal_direct)
220         (call_value_direct_split, call_value_multiple_split): Use jal and
221         jal_macro attributes.
222
223 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
224
225         * reload1.c (reload_regs_reach_end_p): Replace with...
226         (reload_reg_rtx_reaches_end_p): ...this function.
227         (new_spill_reg_store): Update commentary.
228         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
229         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
230         before setting new_spill_reg_store.
231         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
232         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
233         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
234         for non-spill reload registers.
235
236 2012-02-05  Ira Rosen  <irar@il.ibm.com>
237
238         PR tree-optimization/52091
239         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
240         (vect_is_simple_use_1): Likewise.
241         * tree-vect-loop.c (vectorizable_reduction): Update calls
242         to vect_is_simple_use_1 and vect_is_simple_use.
243         (vectorizable_live_operation): Likewise.
244         * tree-vect-patterns.c (widened_name_p,
245         vect_recog_vector_vector_shift_pattern, check_bool_pattern):
246         Likewise.
247         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
248         vectorizable_call, vectorizable_conversion,
249         vectorizable_assignment, vectorizable_shift,
250         vectorizable_operation, vectorizable_store, vectorizable_load):
251         Likewise.
252         (vect_is_simple_cond): Add an argument, pass it to
253         vect_is_simple_use_1.
254         (vectorizable_condition): Update calls to vect_is_simple_cond,
255         vect_is_simple_use.
256         (vect_is_simple_use): Add an argument, the statement in which
257         OPERAND is used.  Check that if OPERAND's def stmt is a double
258         reduction phi node, the use is a phi node too.
259         (vect_is_simple_use_1): Add an argument, pass it to
260         vect_is_simple_use.
261         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
262         to vect_is_simple_use.
263
264 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
265
266         PR rtl-optimization/52095
267         * modulo-sched.c (dump_insn_locator): New function.
268         (loop_canon_p, sms_schedule): Use it.
269
270         PR rtl-optimization/52113
271         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
272         even for decomposable shift/zext insns.
273
274 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
275             Zdenek Dvorak  <ook@ucw.cz>
276
277         PR rtl-optimization/52092
278         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
279         on get_iv_value result.
280
281 2012-02-02  Andrew Pinski  <apinski@cavium.com>
282
283         PR middle-end/47982
284         PR middle-end/43967
285         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
286
287 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
288
289         PR middle-end/48071
290         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
291
292 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
293
294         PR rtl-optimization/49800
295         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
296         (sched_finish): Call regstat_free_n_sets_and_refs.
297
298 2012-02-02  Jia Liu  <proljc@gmail.com>
299
300         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
301         than operand 2.
302
303 2012-02-02 Jan Hubicka  <jh@suse.cz>
304            Tom de Vries  <tom@codesourcery.com>
305
306         PR middle-end/51998
307         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
308         * varpool.c (varpool_analyze_pending_decls): Likewise.
309
310 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
311             Jayant R Sonar <jayant.sonar@kpitcummins.com>
312
313         * config.gcc: Add cr16-* support.
314
315         * doc/extend.texi: Document cr16 extensions.
316         * doc/install.texi: Document cr16 install.
317         * doc/invoke.texi: Document cr16 options.
318         * doc/md.texi: Document cr16 constraints.
319
320         * common/config/cr16/cr16-common.c: New file.
321         * config/cr16/cr16.c: New file.
322         * config/cr16/cr16.h: New file.
323         * config/cr16/cr16.md: New file.
324         * config/cr16/cr16.opt: New file.
325         * config/cr16/cr16-protos.h: New file.
326         * config/cr16/predicates.md: New file.
327         * config/cr16/constraints.md: New file.
328         * config/cr16/t-cr16: New file.
329
330 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
331
332         PR target/52086
333         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
334         that operands[2] is either immediate, or q_regs_operand.
335
336         PR tree-optimization/52073
337         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
338         a pattern stmt for pattern uses, ignore uses outside of the loop.
339
340 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
341
342         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
343         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
344         (OUT_AS1, OUT_AS2): Remove.
345
346 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
347
348         PR rtl-optimization/51374
349         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
350         to cross other volatile_refs_p insns.
351
352 2012-02-01  Richard Guenther  <rguenther@suse.de>
353
354         * doc/invoke.texi (fno-inline): Clarify documentation.
355         (finline-small-functions): Likewise.
356         (finline-functions): Likewise.
357         * common.opt (finline): Adjust comment and documentation.
358         (finline-small-functions): Clarify documentation.
359         (finline-functions): Likewise.
360         (finline-functions-called-once): Likewise.
361
362 2012-02-01  Tristan Gingold  <gingold@adacore.com>
363
364         * c-typeck.c (composite_type): Keep mode for pointers.
365
366 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
367
368         * function.h (regno_reg_rtx): Adjust comment.
369         * reginfo.c (init_reg_modes_target): Only use the previous mode
370         if it fits within one register.  Remove MIPS comment.
371
372 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
373
374         PR bootstrap/52058
375         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
376
377 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
378
379         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
380         to srak instruction.
381
382 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
383
384         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
385         condition.
386
387 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
388
389         PR bootstrap/52041
390         PR bootstrap/52039
391         PR target/51974
392         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
393
394 2012-01-31  Richard Guenther  <rguenther@suse.de>
395
396         PR tree-optimization/51528
397         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
398         assigns.
399
400 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
401
402         PR bootstrap/52041
403         PR bootstrap/52039
404         PR target/51974
405         * ree.c (add_removable_extension): Change def_map argument
406         to unsigned *, store in def_map 1 + offset into *insn_list vector
407         instead of pointers into the vector.
408         (find_removable_extensions): Adjust caller.
409
410 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
411
412         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
413         Transform all "* quoted-c-code" to { c-code }.
414         Remove redundant test for "optimize" in combine patterns.
415         Move (include "avr-dimode.md") to end of file.
416
417 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
418
419         PR target/51835
420         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
421         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
422
423 2012-01-30  Richard Guenther  <rguenther@suse.de>
424
425         PR tree-optimization/52028
426         * tree-loop-distribution.c (ldist_gen): Properly update
427         virtual SSA form.
428
429 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
430
431         PR debug/52027
432         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
433         set_cur_line_info_table if not emitting debug info.
434
435         PR tree-optimization/52046
436         * tree-vect-patterns.c (check_bool_pattern): Give up if
437         a comparison could throw.
438
439         PR debug/52048
440         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
441
442 2012-01-30  Richard Guenther  <rguenther@suse.de>
443
444         PR tree-optimization/52045
445         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
446         SSA form if cfgcleanup did anything.
447
448 2012-01-30  Richard Guenther  <rguenther@suse.de>
449
450         PR tree-optimization/52045
451         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
452         before computing final todo.
453
454 2012-01-30  Richard Guenther  <rguenther@suse.de>
455
456         PR tree-optimization/51528
457         * tree-sra.c (sra_modify_assign): Re-factor in preparation
458         for PR51528 fix.
459
460 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
461
462         * df-problems.c (df_kill_notes): Check that the use refers
463         to the note under examination.
464
465 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
466
467         PR target/51920
468         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
469         parameter and use short-lived pseudos.
470         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
471         (sparc_expand_vector_init): Const-ify local variables and adjust
472         calls to above functions.
473
474 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
475
476         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
477
478 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
479
480         * doc/invoke.texi: Make usage of "compile time" and
481         "run time"/"runtime" consistent throughout the file.
482
483 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
484
485         * config/alpha/alpha.c (alpha_option_overrride): Default to
486         full IEEE compliance mode for Go language.
487
488 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
489
490         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
491         (LINK_SSP_SPEC): Define.
492
493 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
494
495         PR target/51871
496         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
497         stubs.
498
499 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
500
501         * doc/invoke.texi: Correct hyphenation of "floating point",
502         "double precision", and related terminology throughout the file.
503
504 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
505
506         PR target/52006
507         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
508         arm_general_register_operand predicate for operand 2 instead of
509         register_operand.
510
511 2012-01-27  Ian Lance Taylor  <iant@google.com>
512
513         PR go/47656
514         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
515         * builtins.c (expand_builtin_init_trampoline): Add onstack
516         parameter.  Change caller.
517         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
518         * tree.c (build_common_builtin_nodes): Declare
519         __builtin_init_heap_trampoline.
520
521 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
522
523         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
524         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
525         * config/avr/avr.c: Ditto.
526         (avr_regnames): Remove because unused.
527         * config/avr/avr.md (*cpse.ne): New peephole.
528         (*cpse.eq): New peephole from former cpse peepholes.
529
530 2012-01-27  Michael Eager  <eager@eagercon.com>
531
532         * config/microblaze.c (microblaze_emit_compare): Correct
533         test after pcmp instruction.
534
535 2012-01-27  Richard Guenther  <rguenther@suse.de>
536
537         PR tree-optimization/52020
538         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
539
540 2012-01-27  Richard Guenther  <rguenther@suse.de>
541
542         * ipa-pure-const.c (check_stmt): Clobbers do not make a
543         function non-const/pure.
544
545 2012-01-27  Richard Guenther  <rguenther@suse.de>
546
547         PR tree-optimization/50444
548         * tree-sra.c (build_ref_for_offset): Properly adjust the
549         MEM_REF type for unaligned accesses.
550
551 2012-01-27  Richard Guenther  <rguenther@suse.de>
552
553         PR tree-optimization/50444
554         * expr.c (mem_ref_refers_to_non_mem_p): New function.
555         (expand_assignment): Use it.  Properly handle misaligned
556         bases when expanding stores to component references.
557         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
558         refactor that case.
559
560 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
561
562         PR middle-end/51389
563         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
564         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
565         * tree-data-ref.c (find_data_references_in_loop): Make static.
566         (compute_all_dependences): Change return type to bool.  Bail out
567         for too many datarefs in a loop.  Move the hunk resetting the data
568         dependences vector from ...
569         (compute_data_dependences_for_loop): ... here.  Account for
570         compute_all_dependences returning false.
571         (compute_data_dependences_for_bb): Likewise.
572         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
573         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
574
575 2012-01-27  Richard Guenther  <rguenther@suse.de>
576
577         PR middle-end/51959
578         * expr.c (store_field): Use the alias-set of the scratch memory
579         for storing to it.
580
581 2012-01-27  Tom de Vries  <tom@codesourcery.com>
582
583         PR tree-optimization/51990
584         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
585         WITH_SIZE_EXPR.
586         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
587
588 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
589
590         PR debug/52001
591         * var-tracking.c (reverse_op): Don't add any reverse operation
592         if V already has any constant locations.
593
594 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
595
596         * doc/invoke.texi: Correct usage of "command line" (noun)
597         vs "command-line" (adjective) throughout.
598
599 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
600
601         * doc/invoke.texi (Language Independent Options): Move
602         -Wcoverage-mismatch blurb from here....
603         (Warning Options): ...to here.
604
605 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
606
607         * config/rs6000/rs6000.c (rs6000_option_override_internal):
608         Set rs6000_always_hint to false for 476.
609
610 2012-01-27  Matthias Klose  <doko@ubuntu.com>
611
612         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
613           system root.
614         * incpath.c (add_standard_paths): Likewise.
615
616 2012-01-27  Richard Henderson  <rth@redhat.com>
617
618         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
619         * config/m68k/sync.md (atomic_test_and_set): Rename from
620         sync_test_and_setqi and adjust the operands.
621         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
622         and unconditionally enable.
623
624 2012-01-27  Richard Henderson  <rth@redhat.com>
625
626         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
627         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
628         (ldstub): Rename from ldstubqi.
629         (ldstub<I24MODE>): Remove.
630
631 2012-01-27  Richard Henderson  <rth@redhat.com>
632
633         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
634         * c-cppbuiltin.c (cpp_atomic_builtins): Define
635         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
636         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
637         * doc/tm.texi: Rebuild.
638
639 2012-01-27  Richard Henderson  <rth@redhat.com>
640
641         * optabs.c (gen_atomic_test_and_set): Remove default.
642         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
643
644 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
645
646         PR rtl-optimization/51978
647         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
648         (combine_reaching_defs): Likewise.
649         (struct re_info): Remove.
650         (add_removable_extension): Remove x and data arguments,
651         add insn, insn_list and def_map.  Use the arguments directly
652         instead of using struct re_info.
653         (find_removable_extensions): Don't call add_removable_extension
654         through note_stores, instead just call it with single_set
655         result if non-NULL.
656         (find_and_remove_re): Pass curr_cand->expr instead of
657         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
658
659 2012-01-26  Michael Matz  <matz@suse.de>
660
661         PR tree-optimization/46590
662         * cfgexpand.c: Revert last change (r183305).
663         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
664         regs.
665         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
666         checking for emptiness.
667
668 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
669
670         PR middle-end/51895
671         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
672         non-addressable non-BLKmode base correctly.
673
674 2012-01-26  Michael Matz  <matz@suse.de>
675
676         PR tree-optimization/48794
677         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
678         regions referenced from RESX/EH_DISPATCH.
679
680 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
681
682         * config/s390/s390.h: Make BRANCH_COST an option.
683         * config/s390/s390.opt: New option -mbranch-cost.
684
685 2012-01-26  Richard Henderson  <rth@redhat.com>
686
687         Revert 2012-01-24 change:
688         * trans-mem.c (requires_barrier): Do not instrument thread local
689         variables and emit save/restore for them.
690
691 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
692
693         PR middle-end/51986
694         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
695         for pat == 0.
696
697 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
698
699         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
700         ASM_OPERANDS.
701
702 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
703
704         PR target/49868
705         Rename __pgm to __flash.
706         Rename __pgm1 to __flash1.
707         Rename __pgm2 to __flash2.
708         Rename __pgm3 to __flash3.
709         Rename __pgm4 to __flash4.
710         Rename __pgm5 to __flash5.
711         Rename __pgmx to __memx.
712         * doc/extend.texi (AVR Named Address Spaces)
713         Rename address space names as indicated above.
714         * config/avr/avr.c (avr_addrspace): Ditto.
715
716         * config/avr/avr-protos.h
717         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
718         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
719         * config/avr/predicates.md: Ditto.
720         * config/avr/avr.c Ditto, and
721         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
722         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
723
724         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
725         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
726         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
727         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
728         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
729         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
730         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
731         * config/avr/avr.c: Ditto.
732         * config/avr/avr.md: Ditto.
733
734 2012-01-25  Jason Merrill  <jason@redhat.com>
735
736         PR c++/51992
737         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
738
739 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
740
741         PR tree-optimization/51987
742         * tree-data-ref.c (get_references_in_stmt): Handle references in
743         non-volatile GIMPLE_ASM.
744
745 2012-01-25  Richard Guenther  <rguenther@suse.de>
746
747         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
748         bases are dereferenced.
749
750 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
751
752         PR rtl-optimization/48374
753         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
754
755 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
756
757         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
758         compute_data_dependences_for_loop returns false.
759         * tree-parloops.c (loop_parallel_p): Likewise.
760
761 2012-01-25  Richard Guenther  <rguenther@suse.de>
762
763         * tree.h (get_pointer_alignment_1): Declare.
764         * builtins.c (get_pointer_alignment_1): New function.
765         (get_pointer_alignment): Use it.
766
767 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
768
769         PR rtl-optimization/48308
770         * combine.c (enum undo_kind): Add UNDO_LINKS.
771         (struct undo): Add member l to other_contents and where.
772         (do_SUBST_LINK): New.
773         (SUBST_LINK): New.
774         (try_combine): Handle LOG_LINKS for the dummy i1 case.
775         (undo_all): Handle UNDO_LINKS.
776
777 2012-01-25  Richard Henderson  <rth@redhat.com>
778
779         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
780         mem inputs.
781
782 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
783
784         * optabs.c (gen_atomic_test_and_set): Use each argument.
785
786 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
787
788         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
789         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
790         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
791         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
792         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
793         TARGET_PAIRED_SINGLE_FLOAT.
794
795 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
796
797         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
798         (in_struct, return_val): Remove MEM documentation.
799         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
800         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
801         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
802         and MEM_SCALAR.
803         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
804         * cfgexpand.c (add_alias_set_conflicts): Likewise.
805         * expr.c (store_field): Likewise.
806         * function.c (assign_stack_temp_for_type): Likewise.
807         * ifcvt.c (noce_try_cmove_arith): Likewise.
808         * reload1.c (reload): Likewise.
809         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
810         (alpha_set_memflags): Likewise.
811         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
812
813 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
814
815         * rtl.h (true_dependence, canon_true_dependence): Remove varies
816         parameter.
817         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
818         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
819         (true_dependence_1, true_dependence, canon_true_dependence): Remove
820         varies parameter.
821         * cselib.c (cselib_rtx_varies_p): Delete.
822         (cselib_invalidate_mem): Update call to canon_true_dependence.
823         * dse.c (record_store, check_mem_read_rtx): Likewise.
824         (scan_reads_nospill): Likewise.
825         * cse.c (check_dependence): Likewise.
826         (cse_rtx_varies_p): Delete.
827         * expr.c (safe_from_p): Update call to true_dependence.
828         * ira.c (validate_equiv_mem_from_store): Likewise.
829         (memref_referenced_p): Likewise.
830         * postreload-gcse.c (find_mem_conflicts): Likewise.
831         * sched-deps.c (sched_analyze_2): Likewise.
832         * store-motion.c (load_kills_store): Likewise.
833         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
834         * gcse.c (mems_conflict_for_gcse_p): Likewise.
835         (compute_transp): Update call to canon_true_dependence.
836
837 2012-01-25  Richard Henderson  <rth@redhat.com>
838
839         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
840         (maybe_emit_atomic_test_and_set): New.
841         (expand_sync_lock_test_and_set): Use it.
842         (expand_atomic_test_and_set): Likewise.
843         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
844         the implementation; clarify implementation defined details.
845         * doc/md.texi (atomic_test_and_set): Document.
846
847 2012-01-25  Richard Henderson  <rth@redhat.com>
848
849         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
850
851 2012-01-25  Richard Henderson  <rth@redhat.com>
852
853         PR target/51968
854         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
855         to effect no-op split.
856
857 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
858
859         PR lto/51698
860         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
861         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
862         (BT_FN_VOID_PTR_INT_SIZE): New.
863         (BT_FN_UINT_UINT_VAR): Remove.
864         (BT_FN_UINT32_UINT32_VAR): New.
865         (BT_FN_DOUBLE_VPTR): Remove.
866         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
867
868         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
869         (_ITM_changeTransactionMode): Same.
870         (_ITM_memmoveRtWt): Change return type to void.
871         (_ITM_memcpyRtWt): Same.
872         (_ITM_memsetW): Same.
873         (_ITM_RaRD): Change types to double.
874         (_ITM_RD): Same.
875         (_ITM_RaWD): Same.
876         (_ITM_RfWD): Same.
877
878         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
879
880 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
881             Patrick Marlier  <patrick.marlier@gmail.com>
882
883         * trans-mem.c (requires_barrier): Do not instrument thread local
884         variables and emit save/restore for them.
885
886 2012-01-24  Jason Merrill  <jason@redhat.com>
887
888         PR c++/51812
889         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
890         output static aliases.
891
892 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
893
894         PR driver/47249
895         * common.opt (-pie, -shared, pie, shared): Change from Common to
896         Driver.
897         * gcc.c (display_help): Display help for -pie and -shared.
898
899 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
900
901         PR target/49868
902         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
903         Remove note on size/offset limitation.
904         (AVR Variable Attributes): Add example how to read data located
905         with progmem.  Refer to named address spaces.
906         * doc/invoke.texi (AVR Options): Fix typo.
907
908 2012-01-24  Richard Guenther  <rguenther@suse.de>
909
910         Forward-port to trunk
911         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
912
913         PR middle-end/45678
914         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
915         op0 isn't sufficiently aligned and there is movmisalignM
916         insn for mode, use it to load op0 into a temporary register.
917
918 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
919
920         PR target/51957
921         * target.def (const_not_ok_for_debug_p): New hook.
922         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
923         documentation.
924         * doc/tm.texi: Regenerated.
925         * dwarf2out.c (const_ok_for_output_1): If
926         targetm.const_not_ok_for_debug_p returns true, fail.
927         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
928         function.
929         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
930
931 2012-01-23  Kai Tietz  <ktietz@redhat.com>
932
933         PR target/51900
934         * config/i386/predicates.md (symbolic_operand): Allow
935         UNSPEC_PCREL as PIC expression for lea.
936         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
937         * config/i386/i386.c (ix86_delegitimize_address): Handle
938         UNSPEC_PCREL for none-MEM, too.
939
940 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
941
942         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
943         (ipa_tm_create_version_alias): Same.
944
945 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
946
947         PR libitm/51830
948         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
949         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
950
951 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
952             Patrick Marlier  <patrick.marlier@gmail.com>
953             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
954
955         PR lto/51916
956         * lto-wrapper.c (run_gcc): Pass the LTO section name to
957         simple_object_start_read.
958
959 2012-01-23  Richard Guenther  <rguenther@suse.de>
960
961
962         PR tree-optimization/51895
963         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
964         parameter decomposition into BLKmode components.
965
966 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
967
968         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
969         fake variables for restrict-qualified pointers whose pointed-to type
970         contains a placeholder.
971
972 2012-01-23  Richard Guenther  <rguenther@suse.de>
973
974         PR tree-optimization/51949
975         * ipa-split.c (execute_split_functions): Do not split malloc functions.
976
977 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
978
979         PR rtl-optimization/51933
980         * ree.c (transform_ifelse): Return true right away if dstreg is
981         already wider or equal to cand->mode.
982         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
983         (make_defs_and_copies_lists): Remove defs_list and copies_list
984         arguments, add state argument, just truncate state->work_list
985         instead of always allocating and freeing the vector.  Assert that
986         get_defs succeeds instead of returning 2.  Changed return type to bool.
987         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
988         have ext_src_mode, see if it has been modified already with the
989         right kind of extension and has been extended before from the
990         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
991         just return true.  Remember the original mode in state->modified array.
992         (combine_reaching_defs): Add state argument.  Don't allocate and
993         free here def_list, copied_list and vec vectors, instead just
994         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
995         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
996         Add state variable, clear vectors in it, initialize state.modified
997         if needed.  Free all the vectors at the end and state.modified too.
998         Don't skip a candidate if the extension expression has been modified.
999
1000 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1001
1002         PR target/47096
1003         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1004          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1005         (extra_options) interix.opt -> i386/interix.opt"
1006         (extra_objs):Add winnt-stubs.o
1007         * configure.ac: Add interix to target_os .comm on PE check.
1008         * configure: Regenerate.
1009         * config/interix3.h: Delete and move bits to..
1010         * config/interix.h: Delete and move bits to..
1011         * config/i386/i386-interix3.h: Delete and move bits to..
1012         * config/i386/i386-interix.h: ..here.
1013         (TARGET_CPU_DEFAULT): Remove redefinition.
1014         (TARGET_ASM_CONSTRUCTOR): Undefine.
1015         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1016         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1017         (PTRDIFF_TYPE): Define.
1018         (LONG_DOUBLE_TYPE_SIZE): Define.
1019         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1020         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1021         (TARGET_SECTION_TYPE_FLAGS): Define.
1022         (ASM_DECLARE_FUNCTION_NAME): Define.
1023         (ASM_OUTPUT_EXTERNAL): Define.
1024         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1025         (ASM_OUTPUT_ALIGNED_BSS): Define.
1026         (PCC_BITFIELD_TYPE_MATTERS): Define.
1027         (USE_CONST_SECTION): Define.
1028         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1029         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1030         (SUPPORTS_ONE_ONLY): Remove.
1031         (I386_PE_STRIP_ENCODING): Define.
1032         * config/interix.opt: Delete and move bits to..
1033         * config/i386/interix.opt: ..here. New.
1034         (mpe-aligned-commons): Add.
1035         * config/i386/t-interix: Add copyright header.
1036         (winnt-stubs.o): Add rule.
1037
1038 2012-01-22  Jason Merrill  <jason@redhat.com>
1039
1040         PR c++/51832
1041         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1042         for extra name aliases.
1043
1044 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1045
1046         PR rtl-optimization/51924
1047         * ree.c (combine_set_extension): Improve debugging message.
1048         (combine_reaching_defs): Likewise.
1049         (get_defs): Rename confusingly named variable.
1050         (find_and_remove_re): Skip a candidate if the extension expression has
1051         been modified.
1052
1053 2012-01-21  Robert Millan  <rmh@gnu.org>
1054             Gerald Pfeifer  <gerald@pfeifer.com>
1055
1056         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1057         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1058
1059 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1060
1061         PR tree-optimization/51914
1062         * tree-vect-stmts.c (vectorizable_conversion): For
1063         cvt_type && modifier == WIDEN, put temporary with cvt_type
1064         at the beginning of vec_dsts and set vec_dest to temporary
1065         with vectype_out.
1066
1067 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1068
1069         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1070
1071 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1072
1073         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1074         * config/rs6000/rs6000.c: Likewise.
1075
1076 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1077
1078         PR target/51915
1079         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1080         output_move_double on a copy of operands array.
1081
1082 2012-01-20  Cary Coutant  <ccoutant@google.com>
1083             Dodji Seketeli  <dodji@redhat.com>
1084
1085         PR debug/45682
1086         * dwarf2out.c (copy_declaration_context): Return ref to parent
1087         of declaration DIE, if necessary.
1088         (remove_child_or_replace_with_skeleton): Add new parameter; update
1089         caller.  Place skeleton DIE under parent DIE of original declaration.
1090         Move call to copy_declaration_context to here ...
1091         (break_out_comdat_types): ... from here.
1092
1093 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1094
1095         PR rtl-optimization/51856
1096         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1097         flag to reloaded.
1098
1099 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1100
1101         PR target/51819
1102         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1103         hints for neon loads and stores.
1104
1105 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1106
1107         PR target/49868
1108         PR target/50887
1109         * doc/extend.texi (Named Address Spaces): Split into subsections.
1110         (AVR Named Address Spaces): New subsection.
1111         (M32C Named Address Spaces): New subsection.
1112         (RL78 Named Address Spaces): New subsection.
1113         (SPU Named Address Spaces): New subsection.
1114         (Variable Attributes): New anchor "AVR Variable Attributes".
1115         (AVR Variable Attributes): Rewrite and avoid wording
1116         "address space" in this context.
1117         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1118         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1119         (AVR Built-in Macros): New subsubsection therein.
1120         * doc/md.texi (AVR constraints): Remove "C04", "R".
1121
1122 2012-01-20  Richard Guenther  <rguenther@suse.de>
1123
1124         PR tree-optimization/51903
1125         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1126         when removing stmts.
1127
1128 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1129
1130         PR target/50313
1131         * config/arm/arm.c (arm_load_pic_register): Use
1132         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1133         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1134         (arm_pic_static_addr): Likewise.
1135         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1136         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1137         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1138         (pic_load_addr_unified): New.
1139
1140 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1141
1142         PR target/51106
1143         * function.c (instantiate_virtual_regs_in_insn): Use
1144         delete_insn_and_edges when removing a wrong asm insn.
1145
1146 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1147
1148         PR rtl-optimization/40761
1149         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1150         Add new member loop_num.
1151         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1152         (ira_build): Remove the parameter.
1153
1154         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1155         (ira.c): Do not build CFG loops for one region allocation.  Remove
1156         argument from ira_build call.
1157
1158         * ira-build.c (init_loop_tree_node): New function.
1159         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1160         loops are not built.
1161         (more_one_region_p): Check current_loops.
1162         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1163         built.
1164         (add_loop_to_tree): Process loop equal to NULL too.
1165         (form_loop_tree): Separate the case when CFG loops are not built.
1166         Use explicitly number for the root.
1167         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1168         an assertion.
1169         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1170         instead of loop->num.
1171         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1172         (mark_all_loops_for_removal): Ditto.
1173         (remove_unnecessary_regions): Separate the case when CFG loops
1174         are not built.
1175         (ira_build): Remove the parameter.  Use explicit number of regions
1176         when CFG loops are not built.
1177
1178         * ira-color.c (print_loop_title): Separate the case for the root node.
1179         Use loop_num instead of loop->num.
1180         (move_spill_restore): Use loop_num instead of loop->num.
1181
1182         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1183         (change_loop): Ditto.
1184         (change_loop): Use loop_num instead of loop->num.
1185
1186         * ira-lives.c (process_bb_node_lives): Ditto.
1187
1188         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1189
1190         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1191
1192 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1193
1194         PR libmudflap/40778
1195         * tree-mudflap.c (mf_artificial): New function.
1196         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1197         mx_register_decls, mudflap_enqueue_decl): Use it.
1198
1199         PR target/51876
1200         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1201         numbers in the insn pattern.
1202
1203 2012-01-19  Michael Matz  <matz@suse.de>
1204
1205         PR tree-optimization/46590
1206         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1207         use it in remembering which conflicts we already created.
1208         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1209         bitmap.
1210
1211 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1212
1213         PR lto/51280
1214         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1215         (merge_and_complain): Same.
1216
1217 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1218
1219         PR bootstrap/50237
1220         * config/initfini-array.h: Guard content of the header
1221         with #ifdef HAVE_INITFINI_ARRAY.
1222         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1223         Add initfini-array.h to tm_file here.
1224         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1225         * config.gcc: Don't add initfini-array.h to tm_file here.
1226         * configure: Regenerated.
1227
1228 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1229
1230         PR rtl-optimization/51505
1231         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1232         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1233         (df_note_bb_compute): Update the call to df_kill_notes.
1234
1235 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1236
1237         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1238
1239 2012-01-18  Richard Guenther  <rguenther@suse.de>
1240
1241         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1242         of conversions to void *.
1243
1244 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1245             Richard Sandiford  <rdsandiford@googlemail.com>
1246
1247         PR middle-end/50325
1248         PR middle-end/51192
1249         * optabs.h (simplify_expand_binop): Declare.
1250         * optabs.c (simplify_expand_binop): Make global.
1251         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1252         endian targets if the source cannot be exactly covered by word
1253         mode chunks.
1254
1255 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR bootstrap/51872
1258         * hard-reg-set.h (struct hard_reg_set_container): New type.
1259         * target.h (struct hard_reg_set_container): Forward declare.
1260         * target.def (set_up_by_prologue): New target hook.
1261         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1262         * doc/tm.texi: Regenerated.
1263         * function.c (thread_prologue_and_epilogue_insns): Change
1264         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1265         Call targetm.set_up_by_prologue on it.
1266         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1267         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1268
1269 2012-01-17  Nick Clifton  <nickc@redhat.com>
1270
1271         * config/rx/rx.c (rx_can_use_simple_return): New function.
1272         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1273         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1274
1275 2012-01-17  Richard Guenther  <rguenther@suse.de>
1276
1277         PR middle-end/51782
1278         * expr.c (expand_assignment): Take address-space information
1279         from the address operand of MEM_REF and TARGET_MEM_REF.
1280         (expand_expr_real_1): Likewise.
1281
1282 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1283
1284         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1285         reload dump is requested.
1286
1287 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1288
1289         PR other/51165
1290         * trans-mem.c (requires_barrier): Call may_be_aliased.
1291
1292 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1293
1294         PR tree-optimization/51877
1295         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1296         call arguments and fndecls compare equal, instead return false if they
1297         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1298         both SSA_NAMEs that are valueized the same, or they satisfy
1299         operand_equal_p.
1300
1301 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1302
1303         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1304         Solaris 11+.
1305         * configure: Regenerate.
1306
1307 2012-01-16  Jan Hubicka  <jh@suse.cz>
1308
1309         PR c/12245
1310         PR c++/14179
1311         * convert.c (convert_to_integer): Use fold_convert for
1312         converting an INTEGER_CST to integer type.
1313
1314 2012-01-16  Jason Merrill  <jason@redhat.com>
1315
1316         PR c++/14179
1317         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1318
1319 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1320
1321         PR bootstrap/51860
1322         * config/s390/s390.c (s390_chunkify_start): Don't skip
1323         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1324         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1325         If insn is followed by NOTE_INSN_VAR_LOCATION or
1326         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1327         Don't use location of note insns.
1328
1329         PR tree-optimization/51865
1330         * tree-inline.c (tree_function_versioning): Call remap_decl
1331         on DECL_RESULT whenever it has VOID_TYPE_P type.
1332
1333 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1334
1335         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1336         for calls to locally-binding MIPS16 functions if only the return
1337         type uses float regs.
1338
1339 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1340             Richard Sandiford  <rdsandiford@googlemail.com>
1341
1342         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1343         (SYMBOL_32_HIGH): Likewise.
1344         (mips_output_tls_reloc_directive): Declare.
1345         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1346         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1347         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1348         (mips_lo_relocs, mips_hi_relocs): Make extern.
1349         (mips16_stub_function): Move up file.
1350         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1351         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1352         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1353         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1354         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1355         (mips_get_tp): Add MIPS16 support.
1356         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1357         Generalize DTPREL and TPREL handling.
1358         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1359         Add MIPS16 TLS support.
1360         (mips_output_tls_reloc_directive): New function.
1361         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1362         * config/mips/predicates.md (symbolic_operand_with_high)
1363         (tls_reloc_operand): New predicates.
1364         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1365         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1366         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1367         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1368         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1369         (*tls_get_tp_mips16_call_<mode>): Likewise.
1370
1371 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1372
1373         PR rtl-optimization/51821
1374         * recog.c (peep2_find_free_register): Determine clobbered registers
1375         from insn pattern.
1376
1377 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1378
1379         PR target/50925
1380         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1381         * config/avr/avr.c: Likewise.
1382         * config/avr/avr.h: Likewise.
1383
1384 2012-01-13  Ian Lance Taylor  <iant@google.com>
1385
1386         PR c++/50012
1387         * tree.h (TYPE_QUALS): Add cast to int.
1388         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1389
1390 2012-01-13  Ian Lance Taylor  <iant@google.com>
1391
1392         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1393         comparing param_index to VEC_length result.
1394
1395 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1396
1397         * c-decl.c: Do not include tree-mudflap.h
1398         * tree-optimize.c: Likewise.
1399         * Makefile.in: Update dependencies.
1400
1401 2012-01-13  Richard Guenther  <rguenther@suse.de>
1402
1403         PR middle-end/8081
1404         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1405         variable-sized result always use RSO.
1406
1407 2012-01-12  DJ Delorie  <dj@redhat.com>
1408
1409         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1410         pointer type, not just the default pointer type.
1411
1412 2012-01-09  Richard Henderson  <rth@redhat.com>
1413             Denis Chertykov  <chertykov@gmail.com>
1414
1415         PR target/50925
1416         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1417         * config/avr/avr.c (avr_can_eliminate): Simplify.
1418         (avr_initial_elimination_offset): Likewise.
1419         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1420         (expand_epilogue): Likewise.
1421         (avr_legitimize_address): Gut.
1422         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1423         (avr_hard_regno_nregs): New.
1424         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1425         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1426         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1427         add soft frame pointer.
1428         (CALL_USED_REGISTERS): Likewise.
1429         (REG_CLASS_CONTENTS): Likewise.
1430         (REGISTER_NAMES): Likewise.
1431         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1432         (HARD_FRAME_POINTER_REGNUM): New.
1433         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1434         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1435         remove the HARD_FRAME_POINTER self-elimination.
1436
1437 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1438
1439         PR target/51756
1440         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1441         DECL_EXTERNAL when checking for initializers of progmem variables.
1442
1443 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1444
1445         PR tree-optimization/51799
1446         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1447         that the last operation is a type demotion.
1448
1449 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1450
1451         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1452         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1453
1454 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1455
1456         PR bootstrap/51796
1457         * combine.c (distribute_notes): If i3 is a noreturn call,
1458         allow old_size to be equal to args_size and make sure the
1459         noreturn call gets REG_ARGS_SIZE note.
1460         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1461         on noreturn calls even when the delta is 0.
1462
1463 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1464
1465         * gcov.c (STRING_SIZE): Remove.
1466         (generate_results): Erase annotations for source files with no
1467         coverage information.
1468         (read_line): New.
1469         (output_lines): Use it.
1470
1471 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1472
1473         * gimple.h (gimplify_body): Remove first argument.
1474         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1475         pointer set here, instead just pass DATA to walk_tree.
1476         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1477         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1478         (unvisit_body): Likewise, but with unmark_visited.
1479         (gimplify_body): Remove BODY_P argument and adjust.
1480         (gimplify_function_tree): Adjust call to gimplify_body.
1481         * omp-low.c (finalize_task_copyfn): Likewise.
1482
1483 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1484
1485         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1486         (build_function_type_skip_args): Delete.
1487         * tree.c (build_function_type_skip_args): Make static and add
1488         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1489         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1490         pass it to build_function_type_skip_args.
1491         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1492         (tree_function_versioning): Likewise.
1493         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1494         build_function_decl_skip_args.
1495         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1496         and pass it to build_function_decl_skip_args/tree_function_versioning.
1497         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1498         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1499         * trans-mem.c (ipa_tm_create_version): Likewise.
1500         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1501         * tree-inline.c (declare_return_variable): Remove always-true test.
1502         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1503         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1504         * ipa-split.c (split_function): Skip the return value for the split
1505         part if it doesn't return.
1506
1507 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1508
1509         PR tree-optimization/49642
1510         * ipa-split.c (forbidden_dominators): New variable.
1511         (check_forbidden_calls): New function.
1512         (dominated_by_forbidden): Likewise.
1513         (consider_split): Check for forbidden dominators.
1514         (execute_split_functions): Initialize and free forbidden
1515         dominators info; call check_forbidden_calls.
1516
1517 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1518
1519         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1520
1521 2012-01-11  Nick Clifton  <nickc@redhat.com>
1522
1523         * config/rx/rx.md (return): Define pattern.
1524
1525 2012-01-11  Richard Guenther  <rguenther@suse.de>
1526
1527         * doc/extend.texi (malloc attribute): Adjust according to
1528         implementation.
1529
1530 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1531             Patrick Marlier  <patrick.marlier@gmail.com>
1532
1533         PR middle-end/51516
1534         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1535         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1536         (ipa_tm_note_irrevocable): Same.
1537         (ipa_tm_scan_irr_block): Same.
1538         (ipa_tm_decrement_clone_counts): Same.
1539         (ipa_tm_scan_irr_function): Same.
1540         (ipa_tm_create_version_alias): Same.
1541         (ipa_tm_create_version): Same.
1542         (ipa_tm_transform_calls_redirect): Same.
1543         (ipa_tm_transform_calls): Same.
1544         (ipa_tm_transform_transaction): Same.
1545         (ipa_tm_execute): Same.
1546
1547 2012-01-10  Richard Guenther  <rguenther@suse.de>
1548
1549         PR middle-end/51806
1550         * opts.c (common_handle_option): Handle -Werror.
1551
1552 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1553
1554         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1555         operand number.
1556
1557 2012-01-10  Jason Merrill  <jason@redhat.com>
1558
1559         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1560         information.
1561
1562 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1563
1564         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1565         supports R_386_TLS_GD_PLT reloc.
1566         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1567         supports R_386_TLS_LDM_PLT reloc.
1568         * configure: Regenerate.
1569         * config.in: Regenerate.
1570
1571 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1572
1573         PR target/49868
1574         Extend __pgmx semantics to linearize memory.
1575         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1576         determine if code comes inline or from libgcc.
1577         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1578         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1579         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1580         (movmemx_qi, movmemx_hi): New insns.
1581         (xload_<mode>_libgcc): Rewrite to new insn condition.
1582         (xload_<mode>): Remove insns.
1583         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1584         cases that don't satisfy avr_xload_libgcc_p().
1585         (avr_addr_space_convert): Allow converting in any direction.
1586         (avr_addr_space_subset_p): Return always true.
1587         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1588         (avr_emit_movmemhi): Ditto.
1589         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1590         (avr_out_movmem): Ditto.
1591         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1592         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1593         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1594         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1595         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1596
1597 2012-01-10  Richard Guenther  <rguenther@suse.de>
1598
1599         PR tree-optimization/50913
1600         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1601         Require data-refs to be representable by Graphite with respect
1602         to any loop nest.
1603
1604 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1605
1606         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1607         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1608
1609 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1610
1611         PR rtl-optimization/51271
1612         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1613         handling annulled branch.
1614
1615 2012-01-10  Richard Henderson  <rth@redhat.com>
1616
1617         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1618         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1619         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1620         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1621         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1622         arm_expand_vec_perm_const): New.
1623         * config/arm/arm-protos.h: Update.
1624         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1625         (*neon_vswp<VDQX>): New.
1626         (neon_vcombine<VDX>): Use neon_split_vcombine.
1627         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1628         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1629         (vec_perm<VE>): New.
1630
1631 2012-01-10  Richard Henderson  <rth@redhat.com>
1632
1633         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1634         use it if reload_completed.
1635         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1636         arm_output_asm_insn, arm_process_output_memory_barrier,
1637         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1638         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1639         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1640         arm_process_output_sync_insn, arm_output_sync_insn,
1641         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1642         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1643         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1644         (emit_unlikely_jump): New.
1645         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1646         (arm_split_atomic_op): New.
1647         * config/arm/arm-protos.h: Update.
1648         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1649         (struct arm_sync_generator): Remove.
1650         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1651         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1652         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1653         (VUNSPEC_LL, VUNSPEC_SC): New.
1654         (sync_result, sync_memory, sync_required_value, sync_new_value,
1655         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1656         (attr length): Don't use arm_sync_loop_insns.
1657         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1658         (movsfcc, movdfcc): Likewise.
1659         * config/arm/constraints.md (Ua): New.
1660         * config/arm/prediates.md (mem_noofs_operand): New.
1661         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1662         (sync_clobber, sync_t2_reqd): Remove.
1663         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1664         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1665         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1666         (arm_sync_compare_and_swap<SIDI>): Remove.
1667         (arm_sync_compare_and_swap<NARROW>): Remove.
1668         (arm_sync_lock_test_and_set<SIDI>): Remove.
1669         (arm_sync_lock_test_and_set<NARROW>): Remove.
1670         (arm_sync_new_<syncop><SIDI>): Remove.
1671         (arm_sync_new_<syncop><NARROW>): Remove.
1672         (arm_sync_new_nand<SIDI>): Remove.
1673         (arm_sync_new_nand<NARROW>): Remove.
1674         (arm_sync_old_<syncop><SIDI>): Remove.
1675         (arm_sync_old_<syncop><NARROW>): Remove.
1676         (arm_sync_old_nand<SIDI>): Remove.
1677         (arm_sync_old_nand<NARROW>): Remove.
1678         (*memory_barrier): Merge arm_output_memory_barrier.
1679         (atomic_compare_and_swap<QHSD>): New.
1680         (atomic_compare_and_swap<NARROW>_1): New.
1681         (atomic_compare_and_swap<SIDI>_1): New.
1682         (atomic_exchange<QHSD>): New.
1683         (cas_cmp_operand, cas_cmp_str): New.
1684         (atomic_op_operand, atomic_op_str): New.
1685         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1686         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1687         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1688         (arm_load_exclusive<NARROW>): New.
1689         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1690         (arm_store_exclusive<QHSD>): New.
1691
1692 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1693
1694         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1695         reload patterns if -mvsx-scalar-memory.
1696
1697         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1698         generated, even -mno-vsx-scalar-double was used.
1699         (vsx_xscvdpsp_scalar): Likewise.
1700         (vsx_xscvspdp_scalar2): Likewise.
1701
1702 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1703             Andrew Pinski  <apinski@cavium.com>
1704
1705         PR debug/51471
1706         * reorg.c (fill_slots_from_thread): Don't speculate
1707         frame-related insns.
1708
1709 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1710
1711         * sched-int.h (bb_note): Move to...
1712         * basic-block.h: ...here.
1713         * haifa-sched.c (bb_note): Move to...
1714         * cfgrtl.c: ...here.
1715         * function.c (next_block_for_reg): New function.
1716         (move_insn_for_shrink_wrap): Likewise.
1717         (prepare_shrink_wrap): Rewrite to use the above.
1718
1719 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1720
1721         * gimple.c (is_gimple_non_addressable): Remove.
1722         * gimple.h: Remove is_gimple_non_addressable.
1723         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1724         is_gimple_non_addressable.
1725         * trans-mem.c (expand_assign_tm): Same.
1726
1727 2012-01-09  Richard Guenther  <rguenther@suse.de>
1728
1729         PR tree-optimization/51775
1730         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1731         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1732
1733 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1734
1735         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1736         tuning parameters.
1737         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1738
1739 2012-01-09  Richard Guenther  <rguenther@suse.de>
1740
1741         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1742
1743 2012-01-08  Jan Hubicka  <jh@suse.cz>
1744
1745         PR tree-optimize/51680
1746         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1747         on when known_vals needs to be computed; cleanup.
1748
1749 2012-01-08  Jan Hubicka  <jh@suse.cz>
1750
1751         PR tree-optimize/51694
1752         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1753
1754 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1755
1756         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1757         for -std=c++98 and -std=c++11 too.
1758
1759 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1760
1761         * cfgloop.c (cancel_loop): Add free() of bbs array.
1762
1763 2012-01-07  Jan Hubicka  <jh@suse.cz>
1764
1765         PR tree-optimization/51600
1766         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1767         that benefits small functions.
1768
1769 2012-01-07  Jan Hubicka  <jh@suse.cz>
1770
1771         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1772
1773 2012-01-07  Jan Hubicka  <jh@suse.cz>
1774
1775         PR tree-optimization/51680
1776         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1777         whose inlining reduce unit size.
1778
1779 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1780
1781         PR bootstrap/51725
1782         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1783         Add canonical node to containing_mem chain after the non-canonical
1784         one, even if there weren't any locs to propagate.
1785         (remove_useless_values): Keep only canonical values.
1786         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1787         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1788         canonicalize mem_chain elements that are not discarded.
1789
1790 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1791
1792         PR target/47333
1793         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1794         before emitting functions.
1795
1796         PR gcov-profile/50127
1797         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1798         clear_aux_for_blocks.
1799
1800 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1801
1802         PR debug/51746
1803         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1804
1805 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1806
1807         * c-decl.c (ext_block): Moved up.
1808         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1809
1810 2012-01-06  Han Shen  <shenhan@google.com>
1811
1812         Translate built-in include paths for sysroot.
1813         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1814         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1815
1816         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1817         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1818
1819         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1820         control whether sysroot should be prepended to gxx include dir.
1821
1822         * configure: Regenerate.
1823
1824 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1825
1826         PR rtl-optimization/51771
1827         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1828         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1829
1830 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1831
1832         PR tree-optimization/51315
1833         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1834         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1835
1836 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1837
1838         PR target/51681
1839         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1840         for shrp pattern.  Correctly handle and fixup shift variable.
1841         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1842
1843 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1844
1845         PR debug/51762
1846         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1847         note when !ACCUMULATE_OUTGOING_ARGS.
1848
1849 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1850
1851         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1852         condition.
1853         (extract_range_from_unary_expr_1): Avoid useless computations.
1854
1855 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1856
1857         PR rtl-optimization/51767
1858         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1859         of jump_block and add an extra edge for degenerated asm gotos.
1860
1861         PR middle-end/51768
1862         * stmt.c (check_unique_operand_names): Don't ICE during error
1863         reporting if i is from labels chain.
1864
1865         PR middle-end/44777
1866         * profile.c (branch_prob): Split bbs that have exit edge
1867         and need a fake entry edge too.
1868
1869 2012-01-05  Jan Hubicka  <jh@suse.cz>
1870
1871         PR middle-end/49710
1872         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1873         unlooping loops.
1874
1875 2012-01-05  Richard Guenther  <rguenther@suse.de>
1876
1877         PR lto/50490
1878         * tree-streamer-out.c (write_ts_optimization): New function.
1879         (streamer_write_tree_body): Call it.
1880         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1881         (streamer_read_tree_body): Call it.
1882         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1883
1884 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1885
1886         PR middle-end/51761
1887         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1888         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1889         in_cleanup_point_expr before gimplify_stmt call and restore it
1890         afterwards.
1891         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1892         in_cleanup_point_expr is false.
1893
1894 2012-01-05  Richard Guenther  <rguenther@suse.de>
1895
1896         PR middle-end/51764
1897         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1898         to c.opt.
1899         * toplev.c (process_options): Reject combining mudflap and LTO.
1900         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1901
1902 2012-01-05  Richard Guenther  <rguenther@suse.de>
1903
1904         PR tree-optimization/51760
1905         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1906         not VARYING.
1907         (bit_value_unop): Handle UNDEFINED operands.
1908         (bit_value_binop): Likewise.
1909
1910 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1911
1912         * config/avr/avr.c (avr_replace_prefix): Remove.
1913         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1914         (avr_asm_function_rodata_section): Ditto.
1915         (avr_asm_select_section): Ditto.
1916
1917 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1918
1919         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1920         insertion.
1921
1922 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1923
1924         PR bootstrap/51648
1925         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1926         calls that have any non-fake successor edges.
1927
1928         PR debug/51746
1929         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1930
1931 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1932
1933         PR tree-optimization/51624
1934         * tree-sra.c (build_ref_for_model): When replicating a chain of
1935         COMPONENT_REFs, stop as soon as the offset would become negative.
1936
1937 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1938
1939         PR debug/51695
1940         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1941         in .debug_loc on the floor.
1942
1943 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1944
1945         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1946
1947 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1948             Adam Nemet  <anemet@caviumnetworks.com>
1949
1950         * config/mips/mips.md (size): Add SI and DI.
1951         (SIZE): New mode attribute.
1952         (U): New code attribute.
1953         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1954         (mips_lbux_<mode>): Delete.
1955         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1956         (mips_lhx): Use gen_mips_lhx_extsi.
1957         (mips_lhx_<mode>): Delete.
1958         (mips_lwx): Delete.
1959         (mips_l<size>x): New expand.
1960         (mips_lwx_<mode>): Delete.
1961         (mips_l<GPR:size>x_<P:mode>): New pattern.
1962         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1963         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1964         * config/mips/mips.c (mips_lx_address_p): New function.
1965         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1966         (dsp64): New availability predicate.
1967         (mips_builtins): Add an entry for __builtin_mips_ldx.
1968         * config/mips/mips.h (ISA_HAS_LBX): New define.
1969         (ISA_HAS_LBUX): Likewise.
1970         (ISA_HAS_LHX): Likewise.
1971         (ISA_HAS_LHUX): Likewise.
1972         (ISA_HAS_LWX): Likewise.
1973         (ISA_HAS_LWUX): Likewise.
1974         (ISA_HAS_LDX): Likewise.
1975         * doc/extend.texi (__builtin_mips_ldx): Document.
1976
1977 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1978
1979         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1980         when long pointers are used.
1981         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1982         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1983         (ia64-hp-*vms*): Remove.
1984         * config/vms/xm-vms64.h: Delete.
1985
1986 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1987
1988         PR middle-end/51472
1989         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1990
1991 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1992
1993         * opts.c (finish_options): Remove duplicate sorry.
1994
1995 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1996
1997         PR middle-end/51696
1998         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1999         correctly.
2000
2001 2012-01-04  Richard Guenther  <rguenther@suse.de>
2002
2003         PR middle-end/51750
2004         * tree.c (size_low_cst): New function.
2005         * tree.h (size_low_cst): Declare.
2006         * fold-const.c (fold_comparison): Use it to extract the low
2007         part of the POINTER_PLUS_EXPR offset.
2008
2009 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2010
2011         Fix clearing ZERO_REG
2012         * config/avr/avr.md (cc): Add alternative "ldi".
2013         (movqi_insn): Use it in cc attribute.
2014         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2015         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2016         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2017
2018 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2019
2020         * configure: Regenerate.
2021
2022 2012-01-04  Richard Guenther  <rguenther@suse.de>
2023
2024         PR tree-optimization/49651
2025         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2026         (var_can_have_subvars): Use it.
2027         (get_constraint_for_1): Only consider subfields if there can be any.
2028
2029 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR bootstrap/51725
2032         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2033         to its new canonical_cselib_val and the cselib_val was in
2034         first_containing_mem chain, but the canonical_cselib_val was not,
2035         add the latter into the chain.
2036         (cselib_invalidate_mem): Compare canonical_cselib_val of
2037         addr_list chain elt with v.
2038
2039         PR pch/51722
2040         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2041         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2042         of xstrdup.
2043         (output_macinfo_op): Don't ggc_strdup fd->filename.
2044         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2045         then ggc_strdup it.  Don't free inc->info or cur->info.
2046         (output_macinfo): Don't free ref->info or file->info.
2047
2048 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2049
2050         PR tree-optimization/51269
2051         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2052         first_niters a pointer.
2053         (slpeel_tree_peel_loop_to_edge): Likewise.
2054         (vect_do_peeling_for_loop_bound): Update call to
2055         slpeel_tree_peel_loop_to_edge.
2056         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2057         here.  Remove it from the parameters list.
2058         (vect_do_peeling_for_alignment): Update calls and compute
2059         wide_prolog_niters.
2060
2061 2012-01-03  Richard Guenther  <rguenther@suse.de>
2062
2063         PR tree-optimization/51070
2064         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2065         Properly handle calls.
2066
2067 2012-01-03  Richard Guenther  <rguenther@suse.de>
2068
2069         PR tree-optimization/51692
2070         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2071         the LHS of allocation stmts.
2072
2073 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2074
2075         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2076
2077 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2078
2079         * collect2.c (main): In AIX specific computations for vector
2080         insertions, use CONST_CAST2 to cast from char ** to const char **.
2081
2082 2012-01-03  Richard Guenther  <rguenther@suse.de>
2083
2084         PR debug/51650
2085         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2086         the context of a limbo DIE when it does not already exist.
2087
2088 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2089
2090         PR tree-optimization/51719
2091         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2092         but direct call is, clear direct call's lhs and don't add fallthrough
2093         edge from dcall_bb to join_bb and PHIs.
2094
2095 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2096
2097         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2098         the instructions emitted by the pattern.
2099         ("*TDC_insn_<mode>"): Add comment.
2100
2101 2012-01-03  Richard Guenther  <rguenther@suse.de>
2102
2103         PR middle-end/51730
2104         * fold-const.c (fold_comparison): Properly canonicalize
2105         tree offset and HOST_WIDE_INT bit position.
2106
2107 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2108
2109         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2110         operands for extzv pattern.
2111
2112 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR bootstrap/51725
2115         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2116         on mem_elt first.
2117
2118 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2119
2120         * doc/invoke.texi (-flto and related options): Copy-edit.
2121
2122 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2123
2124         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2125
2126 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2127
2128         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2129         New patterns.
2130
2131 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2132
2133         * expr.h (move_by_pieces_ninsns): Declare.
2134         * expr.c (move_by_pieces_ninsns): Make external.
2135         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2136         (mips_store_by_pieces_p): Likewise.
2137         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2138         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2139         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2140         (mips_store_by_pieces_p): Likewise.
2141
2142 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2143
2144         * passes.c (register_one_dump_file): Free full_name.
2145
2146         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2147         (calculate_elim_costs_all_insns): Free offsets_at and
2148         offsets_known_at at the end and clear the pointers.
2149
2150 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2151
2152         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2153         this option introduced in r180739.
2154
2155 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2156
2157         PR target/51345
2158         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2159         (tmake_file target=avr): Add avr/t-multilib.
2160
2161         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2162         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2163         * config/avr/genmultilib.awk: New file.
2164         * config/avr/t-multilib: New auto-generated file.
2165         * config/avr/multilib.h: New auto-generated file.
2166         * config/avr/t-avr (AVR_MCUS): New variable.
2167         (genopt.sh): Use it.
2168         (s-mlib): Depend on t-multilib.
2169         (t-multilib, multilib.h): New dependencies.
2170         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2171         (MULTILIB_OPTIONS): Remove.
2172         (MULTILIB_MATCHES): Remove.
2173         (MULTILIB_DIRNAMES): Remove.
2174         (MULTILIB_EXCEPTIONS): Remove:
2175         * config/avr/genopt.sh: Don't use hard coded file name;
2176         pass AVR_MCUS from t-avr instead.
2177
2178 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2179
2180         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2181
2182 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2183
2184         Implement light-weight DImode support.
2185         * config/avr/avr-dimode.md: New file.
2186         * config/avr/avr.md: Include it.
2187         (adjust_len): Add plus64, compare64.
2188         (HIDI): Remove code iterator.
2189         (code_stdname): New code attribute.
2190         (rotx, rotsmode): Remove DI.
2191         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2192         as code iterator.
2193         * config/avr/avr-protos.h (avr_have_dimode): New.
2194         (avr_out_plus64, avr_out_compare64): New.
2195         * config/avr/avr.c (avr_out_compare): Handle DImode.
2196         (avr_have_dimode): New variable definition and initialization.
2197         (avr_out_compare64, avr_out_plus64): New functions.
2198         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2199         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2200         (avr_compare_pattern): Skip DImode comparisons.
2201
2202 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2203
2204         * ddg.c (def_has_ccmode_p): New function.
2205         (add_cross_iteration_register_deps,
2206         create_ddg_dep_from_intra_loop_link): Call it.
2207
2208 2012-01-02  Richard Guenther  <rguenther@suse.de>
2209
2210         PR other/51679
2211         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2212
2213 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2214
2215         * gcc.c (process_command): Update copyright notice dates.
2216         * gcov.c (print_version): Likewise.
2217         * gcov-dump.c (print_version): Likewise.
2218         * mips-tfile.c (main): Likewise.
2219         * mips-tdump.c (main): Likewise.
2220
2221 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2222
2223         PR tree-optimization/51704
2224         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2225         a use is inside the basic block or loop before accessing its vect info.
2226
2227 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2228
2229         PR rtl-optimization/51069
2230         * cfgloopmanip.c (remove_path): Removing path making irreducible
2231         region unconditional makes BB part of the region.
2232
2233 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2234
2235         PR tree-optimization/51683
2236         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2237         calls with side-effects.
2238         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2239 \f
2240 Copyright (C) 2012 Free Software Foundation, Inc.
2241
2242 Copying and distribution of this file, with or without modification,
2243 are permitted in any medium without royalty provided the copyright
2244 notice and this notice are preserved.