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1 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
2
3         PR tree-optimizations/52891
4         * tree-vect-patterns.c (adjust_bool_pattern): Use
5         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
6         but with non-standard precision.
7
8 2012-04-22  Ian Lance Taylor  <iant@google.com>
9
10         * godump.c (go_output_typedef): Dump size of structs.
11
12 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
13
14         Backport from mainline:
15
16         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
17         hints for 'A' operand types.
18
19 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
20
21         Backport from 2012-04-19 mainline r186588.
22
23         PR target/53033
24         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
25         the case *(X+const).
26
27 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
28
29         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
30
31 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
32
33         PR target/53020
34         * config/i386/sync.md (atomic_<code><mode>): Rename to
35         atomic_<logic><mode>.
36
37 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
38
39         Backport from mainline
40         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
41
42         PR target/52932
43         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
44         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
45         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
46         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
47         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
48         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
49         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
50         gen_avx2_permvarv8sf.
51
52 2012-04-16  Martin Jambor  <mjambor@suse.cz>
53
54         Backported from mainline
55
56         2012-04-13  Martin Jambor  <mjambor@suse.cz>
57         PR middle-end/52939
58
59         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
60         fold_ctor_reference returns a zero constant.
61
62 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
63
64         Backported from mainline
65         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
66
67         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
68         and __ILP32__ for x32.
69
70 2012-04-13  Tom de Vries  <tom@codesourcery.com>
71
72         Backport from mainline r186418.
73
74         2012-04-13  Tom de Vries  <tom@codesourcery.com>
75
76         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
77         parameters vuse and vuse_escaped.
78         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
79         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
80         vuse1 != vuse2.
81
82 2012-04-13  Richard Guenther  <rguenther@suse.de>
83
84         PR tree-optimization/52969
85         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
86         the condition for the COND_EXPR and handle predicate negation
87         by swapping the COND_EXPR arms.
88
89 2012-04-13  Richard Guenther  <rguenther@suse.de>
90
91         PR c/52862
92         * convert.c (convert_to_pointer): Remove special-casing of
93         zero.
94
95 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
96
97         Backport from mainline
98         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
99
100         PR target/52775
101         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
102         the list of options to enable the FCFID instruction.
103         (TARGET_EXTRA_BUILTINS): Adjust comment.
104
105 2012-04-12  Richard Guenther  <rguenther@suse.de>
106
107         PR tree-optimization/52943
108         * tree-chrec.h (chrec_is_positive): Remove.
109         * tree-scalar-evolution.c (chrec_is_positive): Move ...
110         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
111         Return false for a constant zero instead of negative.
112         (analyze_siv_subscript_cst_affine): Handle zero difference
113         in the initial condition explicitely.
114
115 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
116
117         PR middle-end/52894
118         * varasm.c (process_pending_assemble_externals): Set
119         pending_assemble_externals_processed true.
120         (assemble_external): Call assemble_external_real if the pending
121         assemble externals have been processed.
122
123 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
124
125         PR target/52717
126         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
127         the DECL generated for the special GOT helper.
128
129 2012-04-06  Walter Lee  <walt@tilera.com>
130
131         Backport from mainline
132         2012-03-07  Walter Lee  <walt@tilera.com>
133
134         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
135         REG_CFA_* notes for the stack pointer.
136         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
137         EH_RETURN_STACKADJ_RTX.
138         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
139         generate REG_CFA_* notes for the stack pointer.
140         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
141         by EH_RETURN_STACKADJ_RTX.
142
143 2012-04-06  Matt Turner  <mattst88@gmail.com>
144
145         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
146
147 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
148
149         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
150         of the destination isn't also a FP_REGS register.
151
152 2012-04-03  Richard Guenther  <rguenther@suse.de>
153
154         Backport from mainline
155         2012-03-02  Richard Guenther  <rguenther@suse.de>
156
157         PR tree-optimization/52406
158         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
159         (struct indices): Add unconstrained_base member.
160         (struct dr_alias): Remove unused vops member.
161         (DR_UNCONSTRAINED_BASE): New define.
162         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
163         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
164         be an artificial access that covers the whole indexed object,
165         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
166         plain decl base-objects to their MEM_REF variant.
167         (dr_may_alias_p): When the base-object of either data reference
168         has unknown size use only points-to information.
169         (compute_affine_dependence): Make dumps easier to read and
170         more verbose.
171         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
172         DR_REF when looking for packed references.
173         (vect_supportable_dr_alignment): Likewise.
174
175 2012-04-03  Richard Guenther  <rguenther@suse.de>
176
177         Backport from mainline
178         2012-03-15  Richard Guenther  <rguenther@suse.de>
179
180         PR middle-end/52580
181         * tree-data-ref.c (subscript_dependence_tester_1): Check
182         all dimensions for non-conflicting access functions.
183
184 2012-04-03  Richard Guenther  <rguenther@suse.de>
185
186         Backport from mainline
187         2012-03-06  Richard Guenther  <rguenther@suse.de>
188
189         PR middle-end/52493
190         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
191
192         2012-03-23  Richard Guenther  <rguenther@suse.de>
193
194         PR tree-optimization/52678
195         * tree-vectorizer.h (struct _stmt_vec_info): Add
196         loop_phi_evolution_part member.
197         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
198         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
199         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
200         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
201         Use the cached evolution part and the PHI nodes value from
202         the loop preheader edge instead of re-analyzing the evolution.
203
204         2012-03-26  Richard Guenther  <rguenther@suse.de>
205
206         PR tree-optimization/52701
207         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
208         compute and set the evolution part of PHI nodes.
209
210         2012-03-30  Richard Guenther  <rguenther@suse.de>
211
212         PR tree-optimization/52754
213         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
214         propagate arbitrary addresses into really plain dereferences.
215
216 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
217
218         PR tree-optimization/52835
219         * tree-data-ref.c (build_rdg): Return NULL if
220         compute_data_dependences_for_loop failed.
221
222 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
223
224         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
225         (stmt_can_make_abnormal_goto): Use it.
226         (is_ctrl_altering_stmt): Likewise.
227
228 2012-03-31  Martin Jambor  <mjambor@suse.cz>
229
230         Backported from mainline
231         2012-03-30  Martin Jambor  <mjambor@suse.cz>
232
233         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
234         is a builtin_stack_save in a dominating BB.
235
236 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
237
238         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
239         crossing 128bit lane boundary.
240
241 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
242
243         Backported from mainline
244         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
245
246         PR target/52698
247         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
248         New prototype.
249         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
250         * config/i386/i386.c: Include reload.h.
251         (ix86_legitimize_reload_address): New function.
252
253 2012-03-28  Martin Jambor  <mjambor@suse.cz>
254
255         Backported from mainline
256         2012-03-27  Martin Jambor  <mjambor@suse.cz>
257
258         PR middle-end/52693
259         * tree-sra.c (sra_modify_assign): Do not call
260         load_assign_lhs_subreplacements when working with an unscalarizable
261         region.
262
263 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
264
265         PR middle-end/52691
266         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
267         __builtin_va_start to __builtin_next_arg if the latter is
268         builtin_decl_explicit_p rather than when it is not.
269
270         PR middle-end/52750
271         * tree-vect-generic.c (vector_element): Perform multiplication
272         for pos in bitsizetype type instead of idx type.
273
274 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
275
276         Backport from 2012-03-28 mainline r185910.
277
278         PR target/52692
279         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
280         (avr_builtin_decl): New static function.
281         (struct avr_builtin_description, avr_bdesc): Move up.
282         Add GTY marker. Add field fndecl. Remove redundant field id.
283         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
284         (avr_expand_builtin): Code cleanup because .id is removed.
285
286 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
287
288         PR middle-end/51893
289         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
290         targets.
291
292 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
293
294         Backport from 2012-03-28 mainline r185907.
295
296         PR target/52737
297         * config.gcc (tm_file): Remove avr/multilib.h.
298
299         * doc/invoke.texi (AVR Options): Adjust
300         documentation of -mtiny-stack.
301
302         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
303         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
304         * config/avr/t-avr: Remove generation of multilib.h.
305         * config/avr/t-multilib: Regenerate.
306         * config/avr/multilib.h: Remove.
307         * config/avr/avr.opt (-msp8): New option.
308         (avr_sp8): New variable.
309         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
310         * config/avr/avr.h (AVR_HAVE_SPH): New define.
311         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
312         (avr_device_to_sp8): New prototype.
313         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
314         (DRIVER_SELF_SPECS): New define.
315         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
316         __AVR_SP8__, __AVR_HAVE_SPH__.
317         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
318         AVR_HAVE_8BIT_SP to decide if SP_H is present.
319         (avr_file_start): Ditto.
320
321 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
322
323         PR target/52736
324         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
325         instead of 8 in adjust_address.
326
327 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
328
329         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
330         of a unit before computing the offset in units.
331
332 2012-03-27  Richard Guenther  <rguenther@suse.de>
333
334         PR middle-end/52720
335         * fold-const.c (try_move_mult_to_index): Handle &x.array more
336         explicitely.
337
338 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
339
340         PR target/52610
341         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
342
343 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
344
345         PR middle-end/52640
346         * varasm.c: Include pointer-set.h.
347         (pending_assemble_externals_set): New pointer set.
348         (process_pending_assemble_externals): Destroy the pointer set.
349         (assemble_external): See if decl is in pending_assemble_externals_set,
350         and add it to pending_assemble_externals if necessary.
351         (init_varasm_once): Allocate pending_assemble_externals_set.
352
353 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
354
355         Backported from mainline
356         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
357
358         PR target/50310
359         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
360         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
361         (vector_ltgt<mode>): Likewise.
362         (vector_ordered<mode>): Likewise.
363         (vector_unordered<mode>): Likewise.
364         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
365
366 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
367
368         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
369         Make static.
370
371 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
372
373         Backported from mainline
374         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
375
376         PR target/48596
377         PR target/48806
378         * config/sh/sh.c (sh_register_move_cost): Increase cost between
379         GENERAL_REGS and FP_REGS for SImode.
380
381 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
382
383         PR middle-end/52547
384         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
385         on any new_local_var_chain vars declared during recursing on
386         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
387
388 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
389
390         Backport from 2012-03-22 mainline r185692.
391
392         PR target/52496
393         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
394         (unspecv): Add UNSPECV_MEMORY_BARRIER.
395         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
396         (delay_cycles_1, delay_cycles_2): Ditto.
397         (delay_cycles_3, delay_cycles_4): Ditto.
398         (nopv, *nopv): Ditto.
399         (sleep, *sleep): Ditto.
400         (wdr, *wdr): Ditto.
401
402         Backport from 2012-03-21 mainline r185605.
403
404         PR rtl-optimization/52543
405         PR target/52461
406         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
407         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
408         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
409         (avr_load_libgcc_p): Restrict to __flash loads.
410         (avr_out_lpm): Only handle 1-byte loads from __flash.
411         (avr_load_lpm): New function.
412         (avr_find_unused_d_reg): Remove.
413         (avr_out_lpm_no_lpmx): Remove.
414         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
415         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
416         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
417         (load_<mode>, load_<mode>_clobber): New insns.
418         (mov<mode>): For multi-byte move from non-generic
419         16-bit address spaces: Expand to load_<mode> resp.
420         load_<mode>_clobber.
421         (load<mode>_libgcc): Remove expander.
422         (split-lpmx): Remove split.
423
424         Backport from 2012-03-13 mainline r185329.
425
426         PR target/52488
427         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
428         offset (size) to a value the insns can deal with.
429         (expand_epilogue): Ditto.
430
431         Backport from 2012-03-12 mainline r185256.
432
433         PR target/52499
434         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
435         type from reg_class_t to enum reg_class.
436         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
437
438         Backport from 2012-03-12 mainline r185253.
439
440         PR target/52148
441         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
442         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
443         r184615 from 2012-02-28.
444
445         Backport from 2012-03-08 mainline r185105.
446
447         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
448         for constants in [-63,63].
449
450         Backport from 2012-03-08 mainline r185100.
451
452         PR target/52496
453         * config/avr/avr.c (avr_mem_clobber): New static function.
454         (avr_expand_delay_cycles): Add memory clobber operand to
455         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
456         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
457         (enable_interrupt, disable_interrupt): New expander.
458         (nopv, sleep, wdr): New expanders.
459         (delay_cycles_1): Add memory clobber.
460         (delay_cycles_2): Add memory clobber.
461         (delay_cycles_3): Add memory clobber.
462         (delay_cycles_4): Add memory clobber.
463         (cli_sei): New insn from former "enable_interrupt",
464         "disable_interrupt" with memory clobber.
465         (*wdt): New insn from former "wdt" with memory clobber.
466         (*nopv): Similar, but for "nopv".
467         (*sleep): Similar, but for "sleep".
468
469         Backport from 2012-03-07 mainline r185043.
470
471         PR target/52484
472         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
473
474         Backport from 2012-03-07 mainline r185032.
475
476         PR target/52506
477         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
478         to: RAMPZ, RAMPY, RAMPX, RAMPD.
479         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
480
481         Backport from 2012-03-07 mainline r185031.
482
483         PR target/52505
484         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
485         from RAM.
486         * config/avr/avr.md (xload_8): Adjust insn length.
487
488         Backport from 2012-03-07 mainline r185030.
489
490         PR target/52461
491         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
492         if RAMPZ affects reading from RAM.
493
494         Backport from 2012-03-05 mainline r184919.
495
496         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
497
498 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
499
500         Backport from mainline r185259.
501
502         PR other/52545
503         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
504         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
505
506 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
507
508         Backported from mainline
509         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
510
511         PR c/52577
512         * c-parser.c (c_parser_postfix_expression)
513         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
514
515         * config/i386/smmintrin.h: Avoid /* within a comment.
516         * config/i386/nmmintrin.h: Likewise.
517
518 2012-03-22  Richard Guenther  <rguenther@suse.de>
519
520         * BASE-VER: Set to 4.7.1.
521         * DEV-PHASE: Set to prerelease.
522
523 2012-03-22  Release Manager
524
525         * GCC 4.7.0 released.
526
527 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
528
529         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
530
531 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
532             Andrew Pinski  <apinski@cavium.com>
533
534         PR middle-end/52592
535         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
536         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
537         calls instead of __builtin_ir{int,ound}*.
538
539 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
540
541         PR c++/52582
542         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
543         if c_node is NULL.
544
545 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
546
547         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
548         Refer to GCC 4.7 version of c99status.html.
549
550 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
551
552         Backport from mainline
553         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
554
555         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
556         redefine to be NULL if the current bit-size is different from the
557         configured bit-size.
558
559         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
560         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
561         set the default tuning.  Add asserts to make sure the cpu and tune
562         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
563         test whether the index is set, instead of > 0.
564         (rs6000_file_start): Do not reset the default cpu if the current
565         bit-size is different from the configured bit-size.
566
567 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
568
569         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
570         binutils reference.
571         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
572         Update binutils references.
573         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
574         Update binutils reference.
575         Update Sun as/GNU ld caveat.
576         Document binutils largefile requirement for LTO plugin.
577         Remove reference to alternate libpthread.
578
579 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
580
581         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
582         reference.
583         (Specific, mips-sgi-irix6): Likewise.
584
585 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
586
587         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
588         * configure: Regenerate.
589
590 2012-03-07  Richard Henderson  <rth@redhat.com>
591
592         * config/m68k/m68k.h (ISA_HAS_TAS): New.
593         * config/m68k/sync.md (atomic_test_and_set): Use it.
594         (atomic_test_and_set_1): Likewise.
595
596 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
597
598         PR target/51417
599         * Makefile.in: Let install-gcc-ar depend on installdirs,
600         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
601         Don't double canonicalize if cross-compiling.
602
603 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
604
605         * trans-mem.c: New typedef for tm_region_p.
606         Define vector types for tm_region_p.
607         (tm_region_init): Replace region_worklist to a vector called
608         bb_regions.
609
610 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
611
612         PR middle-end/52463
613         * trans-mem.c (tm_region_init): Use last_basic_block.
614
615 2012-03-05  Richard Henderson  <rth@redhat.com>
616
617         PR tree-opt/52242
618         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
619         * omp-low.c (expand_omp_atomic): Assume anything aligned to
620         BIGGEST_ALIGNMENT is aligned.
621
622 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
623
624         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
625
626 2012-03-05  Richard Henderson  <rth@redhat.com>
627
628         PR target/52481
629         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
630         instead of calling negqi2 directly.
631
632 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
633
634         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
635         (INTMAX_TYPE): Use it.
636         (UINTMAX_TYPE): Likewise.
637         (SUBTARGET_OVERRIDE_OPTIONS): Define.
638         (irix6_c_common_override_options): Declare.
639         (C_COMMON_OVERRIDE_OPTIONS): Define.
640         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
641         * config/mips/irix6-c.c: New file.
642         * config/mips/t-irix6 (irix6-c.o): New target.
643         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
644         cxx_target_objs.
645
646 2012-03-02  Richard Henderson  <rth@redhat.com>
647
648         * optabs.c (expand_atomic_test_and_set): Honor
649         atomic_test_and_set_trueval even when atomic_test_and_set
650         optab is not in use.
651
652 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
653
654         Backport from mainline
655         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
656
657         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
658
659 2012-03-02  Richard Guenther  <rguenther@suse.de>
660
661         * DEV-PHASE: Set to prerelease.
662
663 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
664
665         * config.gcc (obsolete): Add all ARM targets using the FPA.
666         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
667         * doc/install.texi: Avoid references to obsolete ARM ports.
668
669 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
670
671         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
672
673 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
674             Joern Rennecke  <joern.rennecke@embecosm.com>
675
676         * doc/extend.texi: Expand and update information on interrupt
677         attribute for Epiphany.
678
679 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
680
681         * config/sh/sh-protos.h: Update copyright notice dates.
682         * config/sh/sh.h: Likewise.
683         * config/sh/sh.md: Likewise.
684         * config/sh/constraints.md: Likewise.
685         * config/sh/predicates.md: Likewise.
686
687 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
688
689         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
690         * config/sh/sh.c (tertiary_reload_operand): Likewise.
691
692 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
693
694         * config/sh/constraints.md: Fix comment typo.
695
696 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
697
698         PR target/52408
699         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
700         unsigned HOST_WIDE_INT.
701         (zvdep_imm64): Likewise.
702         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
703         (vdepi_and): Likewise.
704         Likewise for unamed 64-bit patterns.
705         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
706
707 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
708
709         PR debug/52001
710         PR rtl-optimization/52417
711         * cselib.c (cselib_any_perm_equivs): New variable.
712         (cselib_reset_table): Check that it's not set when not
713         preserving constants.
714         (cselib_add_permanent_equiv): Set it.
715         (cselib_have_permanent_equivalences): New.
716         (cselib_init, cselib_finish): Reset it.
717         * cselib.h (cselib_have_permanent_equivalences): Declare.
718         * alias.c (get_addr): Restore earlier behavior when there
719         aren't permanent equivalences.
720
721 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
722
723         * config/mn10300/mn10300-modes.def: Fix copyright notice.
724         * config/v850/v850-modes.def: Fix copyright notice.
725
726 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
727
728         * doc/extend.texi (AVR Built-in Functions): Document
729         __builtin_avr_flash_segment.
730
731         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
732         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
733         (*split.flash_segment): New insn-and-split.
734         * config/avr/avr.c (avr_init_builtins): Add local variables:
735         const_memx_void_node, const_memx_ptr_type_node,
736         char_ftype_const_memx_ptr.
737
738 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
739
740         PR tree-optimization/52445
741         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
742         add ssa_name_ver, offset and size fields and change store field
743         to bool.
744         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
745         (add_or_mark_expr): Likewise.  Only consider previous stores
746         with the same size and offset.
747         (nt_init_block): Only look at gimple_assign_single_p stmts,
748         doesn't look at rhs2.
749
750 2012-03-01  Richard Guenther  <rguenther@suse.de>
751
752         PR middle-end/52443
753         * tree-cfg.c (verify_gimple_assign_unary): Allow any
754         conversions from integral types to pointer types.
755
756 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
757
758         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
759         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
760         unintentionally removed in r184616.
761
762 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
763
764         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
765         3DNow from bdver1.
766
767 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
768             Uros Bizjak  <ubizjak@gmail.com>
769
770         PR target/52437
771         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
772         alternatives, add "e" constraint to the new last alternative
773         and ! to last 3 alternatives.
774
775 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
776
777         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
778         DW_AT_artificial attributes at the end of the processing.
779         (gen_array_type_die): Likewise.
780         (gen_enumeration_type_die): Likewise.
781         (gen_struct_or_union_type_die): Likewise.
782         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
783         the parent type.
784
785 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
786
787         PR middle-end/52419
788         * expr.c (expand_assignment): If doing misaligned store that doesn't
789         cover all mode bits, perform a RMW cycle.
790
791         PR tree-optimization/52429
792         * tree-parloops.c (separate_decls_in_region_debug): Return early
793         if var is LABEL_DECL.
794
795 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
796
797         PR tree-optimization/52424
798         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
799         calling dom_thread_across_edge.
800
801 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
802
803         * config/avr/avr.c: Move definition of TARGET macros to end of file.
804
805 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
806
807         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
808         * config/avr/avr.c (avr_output_bld): Remove unused function.
809         (avr_out_sbxx_branch): Use "%T" to print bit position.
810
811 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
812
813         * config/avr/avr.md: Untabify.
814
815 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
816
817         * config/avr/avr.md (eqne): New code iterator.
818         (*dec-and-branchsi): Use it in text peephole's condition.
819         (*dec-and-branchhi): Ditto.
820         (*dec-and-branchqi): Ditto.
821
822 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
823
824         PR target/49939
825         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
826         the device does not have the skip-bug.
827
828 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
829
830         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
831         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
832         -mpretend-cmove): New.
833
834 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
835
836         PR bootstrap/52397
837         * df.h (struct df_d): Adjust comment that hard_regs_live_count
838         doesn't count DEBUG_INSN refs.
839         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
840         for DEBUG_INSN refs.
841
842 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
843
844         Partially revert:
845
846         2012-02-20  Richard Guenther  <rguenther@suse.de>
847         PR tree-optimization/52298
848         * tree-vect-stmts.c (vectorizable_load): Properly use
849         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
850         outer loops.
851
852 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
853
854         PR middle-end/51752
855         * gimple.h (gimple_in_transaction): New.
856         (gimple_set_in_transaction): New.
857         (struct gimple_statement_base): Add in_transaction field.
858         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
859         transaction loads.
860         (tree_ssa_lim_initialize): Compute transaction bits.
861         * tree.h (compute_transaction_bits): Protoize.
862         * trans-mem.c (tm_region_init): Use the heap to store BB
863         auxilliary data.
864         (compute_transaction_bits): New.
865
866 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
867
868         * gcc.c (display_help): Document --help=common and sort entries
869         alphabetically.
870
871 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
872
873         * doc/install.texi: Document check-$LANG specific shortcuts
874
875 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
876
877         PR target/51534
878         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
879         and vcgtu.
880         * config/arm/arm_neon.h: Regenerate.
881         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
882         (neon_vcgeu): New insn.
883         (neon_vcgtu): Likewise.
884         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
885         (ops): Unsigned comparison intrinsics call a different
886         builtin.
887
888 2012-02-28  Richard Guenther  <rguenther@suse.de>
889
890         PR target/52407
891         * config/i386/i386.c (ix86_expand_vector_set): Fix element
892         ordering for the VEC_CONCAT for two element vectors for
893         V2SFmode, V2SImode and V2DImode.
894
895 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
896
897         PR target/49448
898         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
899         detecting big-endian triplets.
900
901 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
902
903         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
904         mode if there is no type information available.
905
906 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
907
908         PR tree-optimization/53207
909         * doc/invoke.texi: Document as experimental and relying on graphite.
910
911 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
912
913         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
914         of initializer to changes from r184614.
915
916 2012-02-28  Richard Guenther  <rguenther@suse.de>
917
918         PR tree-optimization/52395
919         * tree-sra.c (build_ref_for_offset): Also look at the base
920         TYPE_ALIGN when figuring out the alignment of the replacement.
921
922 2012-02-28  Richard Guenther  <rguenther@suse.de>
923
924         PR tree-optimization/52402
925         * ipa-prop.c (ipa_modify_call_arguments): Properly use
926         mis-aligned types when creating the accesses at the call site.
927
928 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
929
930         * config/avr/builtins.def: New file.
931         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
932         * config/avr/avr.c (enum avr_builtin_id): Use it.
933         (avr_init_builtins): Use it. And use avr_bdesc.
934         (bdesc_1arg): Remove.
935         (bdesc_2arg): Remove.
936         (bdesc_3arg): Remove.
937         (struct avr_builtin_description): Add field n_args.
938         (avr_bdesc): New static variable using builtins.def.
939         (avr_expand_builtin): Use it.
940         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
941         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
942         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
943
944 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
945
946         PR target/52148
947         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
948         match only one single hard register with respective hard reg rtx.
949         (movmemx_<mode>): Ditto.
950         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
951         insn anatomy of movmem[x]_<mode>.
952         (avr_out_movmem): Same for printing assembler and operand usage.
953
954 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
955
956         PR target/49868
957         PR target/52261
958         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
959         address spaces located outside of device flash.
960
961         * config/avr/avr.h (base_arch_s): Remove field n_segments.
962         (mcu_type_s): Add field n_flash.
963         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
964         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
965         (AVR_MCU): Add N_FLASH argument.
966         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
967         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
968         macro __FLASH<n> if that address space makes sense for the device.
969         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
970         outside of target flash.
971         (avr_asm_named_section): Ditto.
972         (avr_asm_select_section): Ditto.
973         (avr_addr_space_convert): Ditto.
974         (avr_emit_movmemhi): Ditto.
975         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
976         address space is outside of device flash.
977         (avr_insert_attributes): Ditto.
978         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
979         avr_current_arch->n_segments.
980
981 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
982
983         PR target/52352
984         * config/i386/i386.md (*movabs<mode>_1): Enable only for
985         TARGET_LP64.
986         (*movabs<mode>_2): Likewise.
987
988 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
989
990         PR target/52375
991         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
992         s_register_operand in the test instead of REG_P.  Don't call
993         gen_reg_rtx if it won't be used.
994
995         PR tree-optimization/52376
996         * ipa-split.c (split_function): Ignore CLOBBER stmts.
997
998 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
999
1000         * ifcvt.c (noce_get_condition): Check condition variable is not
1001         small_register_classes_for_mode_p before accepting.
1002
1003 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1004
1005         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1006
1007 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1008
1009         Revert:
1010         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1011         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1012         tuning parameters.
1013         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1014
1015 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1016
1017         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1018
1019 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1020
1021         * config/sh/predicates.md: Remove blank lines.
1022         * config/sh/sh.c: Fix typos in comments.
1023         * config/sh/constraints.md: Likewise.
1024         * config/sh/sh.md: Remove blank lines.
1025         Fix typos in comments.  Use ;; as comment characters.
1026
1027 2012-02-26  Walter Lee  <walt@tilera.com>
1028
1029         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1030         (replace_mov_pcrel_step2): Ditto.
1031
1032 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1033
1034         PR debug/52001
1035         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1036         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1037         and locs that reference values newer than the non-canonical value
1038         at hand.  Return the canonical value as a worst case.
1039         (memrefs_conflict_p): Walk canonical value's locs.
1040
1041         PR debug/52001
1042         * cselib.c (preserve_only_constants): Rename to...
1043         (preserve_constants_and_equivs): ... this.  Split out...
1044         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1045         of other preserved expressions too.
1046         (cselib_reset_table): Adjust.
1047         * var-tracking.c (reverse_op): Use canonical value to build
1048         reverse operation.
1049
1050 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1051
1052         * config/i386/i386.c (ix86_delegitimize_address): Handle
1053         UNSPEC_PCREL plus displacement.
1054
1055 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1056
1057         PR target/52261
1058         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1059         to test for unusedness in st X addressing.
1060
1061 2012-02-24  Richard Guenther  <rguenther@suse.de>
1062
1063         PR middle-end/52361
1064         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1065         (is_gimple_reg_type): Move inline ...
1066         * gimple.h (is_gimple_reg_type): ... here.
1067
1068 2012-02-24  Richard Guenther  <rguenther@suse.de>
1069
1070         PR middle-end/52361
1071         * passes.c (execute_function_todo): When verifying SSA form
1072         verify gimple form first.
1073         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1074
1075 2012-02-24  Richard Guenther  <rguenther@suse.de>
1076
1077         PR middle-end/52355
1078         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1079         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1080
1081 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1082
1083         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1084
1085 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1086
1087         * tree-phinodes.c (make_phi_node): Mark static.
1088         * tree-flow.h (make_phi_node): Remove extern decl.
1089         * doc/gimple.texi (make_phi_node): Remove documentation.
1090
1091 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1092
1093         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1094         * tree-ssa-sccvn.c (print_scc): Ditto.
1095
1096 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1097
1098         * doc/passes.texi (Full redundancy elimination): Fix typo.
1099
1100 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1101
1102         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1103
1104 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1105
1106         PR bootstrap/52287
1107         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1108
1109 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1110
1111         PR c/52290
1112         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1113
1114 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1115
1116         * config/avr/avr.md (code_stdname): Add ior, xor.
1117         (xior): New code iterator.
1118         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1119         (*<code_stdname><mode>qi.byte1-3): Ditto.
1120
1121 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR tree-optimization/52019
1124         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1125         CLOBBER stmts.
1126
1127 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1128
1129         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1130         HAVE_INITFINI_ARRAY to work around namespace pollution in
1131         certain versions of newlib system headers.
1132         * config.in: Regenerate.
1133         * configure: Regenerate.
1134         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1135         instead of HAVE_INITFINI_ARRAY.
1136
1137 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1138
1139         PR target/52330
1140         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1141         is not offsettable memory reference.
1142
1143 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1144
1145         PR target/18145
1146         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1147         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1148
1149 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1150
1151         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1152         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1153
1154 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1155
1156         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1157         library on Solaris 8 even without TLS support.
1158         * configure: Regenerate.
1159
1160 2012-02-22  Richard Guenther  <rguenther@suse.de>
1161
1162         PR middle-end/52329
1163         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1164         for GIMPLE_DEBUG stmts.
1165
1166 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1167
1168         PR middle-end/51782
1169         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1170         according to the base object.
1171
1172 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1173
1174         PR rtl-optimization/50063
1175         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1176         and 2 (8-bit SP) in operand 2.
1177         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1178         setup to use movhi_sp_r instead of vanilla move to write SP.
1179         Adjust REG_CFA notes to superseed unspec.
1180         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1181         of vanilla move.
1182         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1183         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1184         irq_state 1 (IRQ known to be on) here.
1185
1186 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1187
1188         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1189         WORDS_BIG_ENDIAN.
1190         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1191         assign_hard_reg): Likewise.
1192
1193 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1194
1195         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1196
1197 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1198
1199         * config/avr/avr.md
1200         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1201         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1202
1203 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1204
1205         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1206         prototype from here to...
1207         * config/avr/avr.h: ...here.
1208
1209 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1210
1211         PR target/52294
1212         * thumb2.md (thumb2_shiftsi3_short): Split register and
1213         immediate shifts.  For register shifts tie operands 0 and 1.
1214         (peephole2 for above): Check that register-controlled shifts
1215         have suitably tied operands.
1216
1217 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1218
1219         PR target/52137
1220         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1221         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1222         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1223         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1224         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1225         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1226         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1227         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1228         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1229         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1230         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1231         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1232         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1233         bdver1_ssevector_avx256_unaligned_load,
1234         bdver1_ssevector_sse128_unaligned_load,
1235         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1236         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1237         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1238         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1239         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1240         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1241         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1242         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1243         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1244         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1245         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1246         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1247         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1248         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1249         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1250         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1251         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1252         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1253         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1254         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1255         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1256         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1257         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1258         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1259         bdver1_ssediv_double_load, bdver1_ssediv_double,
1260         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1261         Add "bdver2" attribute.
1262
1263 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1264
1265         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1266         default if possible and not specified otherwise.
1267
1268 2012-02-21  Richard Guenther  <rguenther@suse.de>
1269
1270         PR middle-end/52314
1271         * gimplify.c (create_tmp_from_val): Use the main variant type
1272         for the type of the temporary we create.
1273
1274 2012-02-21  Richard Guenther  <rguenther@suse.de>
1275
1276         PR tree-optimization/52324
1277         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1278         do not gimplify a MEM_REF address operand if it is already
1279         in suitable form.
1280
1281 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1282
1283         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1284         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1285
1286 2012-02-21  Richard Guenther  <rguenther@suse.de>
1287
1288         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1289         nested_in_vect_loop.
1290
1291 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1292
1293         PR tree-optimization/52318
1294         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1295         vdef also to non-pure/const call stmts in the sequence.
1296
1297 2012-02-20  David S. Miller  <davem@davemloft.net>
1298
1299         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1300         don't use the "rd %pc" instruction on v9 for PIC register loads.
1301
1302 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1303
1304         PR middle-end/52141
1305         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1306         in a transaction safe function.
1307
1308 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1309
1310         PR target/52238
1311         * stor-layout.c (place_field): Handle desired_align for
1312         ms-bitfields, too.
1313
1314 2012-02-20  Richard Guenther  <rguenther@suse.de>
1315
1316         PR tree-optimization/52298
1317         * tree-vect-stmts.c (vectorizable_store): Properly use
1318         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1319         outer loops.
1320         (vectorizable_load): Likewise.
1321         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1322         Access DR_STEP after ensuring it is not NULL.
1323
1324 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1325
1326         PR tree-optimization/52286
1327         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1328         optimization use double_int_to_tree instead of build_int_cst_wide,
1329         rewrite to use double_int vars.
1330
1331 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1332
1333         PR target/50166
1334         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1335         Define _start.
1336         Remove -e 0 from $gcc_cv_ld invocation.
1337         Only use __GLIBC_PREREQ if defined.
1338         Enable on Solaris since Solaris 8 patch.
1339         (gcc_SUN_LD_VERSION): New macro.
1340         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1341         gcc_SUN_LD_VERSION for version number format.
1342         * configure: Regenerate.
1343         * varasm.c (get_elf_initfini_array_priority_section): Set
1344         SECTION_NOTYPE for non-default priority.
1345         Use get_section instead of get_unnamed_section to emit
1346         .init_array/.fini_array with default priority.
1347
1348 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1349
1350         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1351         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1352         (mips_start_unique_function, mips_output_mips16_rdhwr)
1353         (mips_code_end): New functions.
1354         (TARGET_ASM_CODE_END): Define.
1355
1356 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1357
1358         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1359         to stubs with non-sibling calls.
1360
1361 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1362
1363         * doc/invoke.texi (-fira-* options): Copy-edit.
1364         (ira-* parameters): Copy-edit.
1365
1366 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1367
1368         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1369         GCC coding conventions.
1370
1371 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1372
1373         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1374         when used as adjectives.
1375
1376 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1377
1378         * doc/invoke.texi: Clean up "that"/"which" confusion.
1379
1380 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1381
1382         * system.h: Poison SMALL_REGISTER_CLASSES
1383         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1384         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1385
1386 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1387
1388         PR tree-optimization/52285
1389         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1390         when deciding if a call is a tail call or tail recursion.
1391
1392 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1393
1394         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1395         interger-constant displacement for UNSPEC_PCREL.
1396
1397 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1398
1399         PR rtl-optimization/52208
1400         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1401         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1402
1403         PR tree-optimization/52255
1404         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1405         loop->header has virtual PHI, but exit_e->dest doesn't, add
1406         virtual PHI to exit_e->dest and adjust all uses after the loop.
1407
1408         PR debug/52260
1409         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1410         children with clone_tree_hash, not after it.
1411
1412 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1413
1414         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1415         extended identifiers.
1416
1417 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1418
1419         PR middle-end/51929
1420         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1421         a same_body_alias, also test whether e->callee isn't a former
1422         or current clone of the decl this is a same body alias of.
1423
1424         PR translation/52264
1425         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1426
1427 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1428
1429         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1430
1431 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1432
1433         PR target/52199
1434         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1435         force_reg instead of copy_to_reg for better optimization.  Force
1436         non-register or memory operands into a register.
1437
1438 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1439
1440         * extend.texi: Reserve upper bits of memory model for future use.
1441
1442 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1443             Anatoly Sokolov <aesok@post.ru>
1444             Eric Weddington <eric.weddington@atmel.com>
1445
1446         PR target/52261
1447         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1448         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1449         Rewrite initializers for .macro.
1450         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1451         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1452         atxmega32d4, atxmega32x1.
1453         avrxmega4: atxmega64a3, atxmega64d3.
1454         avrxmega5: atxmega64a1, atxmega64a1u.
1455         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1456         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1457         avrxmega7: atxmega128a1, atxmega128a1u.
1458         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1459         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1460         (struct base_arch_s): Rename reserved to xmega_p.
1461         Rename reserved2 to have_rampd.
1462         (AVR_XMEGA): New define.
1463         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1464         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1465         * config/avr/predicates.md (io_address_operand): Take into
1466         account SFR offset.
1467         (low_io_address_operand): Ditto.
1468         (high_io_address_operand): Ditto.
1469         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1470         (enabled, movhi_sp_r): Use them.
1471         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1472         cpp_define_formatted to built-in define __AVR_ARCH__.
1473         (__AVR_XMEGA__): New built-in define.
1474         (__AVR_HAVE_RAMPD__): New built-in define.
1475         (__AVR_HAVE_RAMPX__): New built-in define.
1476         (__AVR_HAVE_RAMPY__): New built-in define.
1477         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1478
1479         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1480         (avr_option_override): Initialize them.
1481         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1482         (avr_init_expanders): Initialize them. No more block several calls.
1483         (emit_push_sfr): New static function.
1484         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1485         Handle AVR_XMEGA.
1486         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1487         (avr_print_operand): Print addreeses as symbols for
1488         RAMPX, RAMPY, RAMPD, CCP.
1489         (output_movhi): Handle AVR_XMEGA when writing to SP.
1490         (avr_out_movhi_mr_r_xmega): New static function.
1491         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1492         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1493         __RAMPD__,  __CCP__ as needed.
1494
1495         * config/avr/multilib.h: Regenerate.
1496         * config/avr/t-multilib: Regenerate.
1497         * config/avr/avr-tables.opt: Regenerate.
1498
1499 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1500
1501         PR tree-optimization/50561
1502         * graphite-flattening.c (lst_project_loop): Do not
1503         remove old scattering dimensions after flattening.
1504         (lst_do_flatten): Likewise.
1505
1506 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1507
1508         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1509         __builtin_avr_map8, __builtin_avr_map16.
1510         Document __builtin_avr_insert_bits.
1511
1512         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1513         (insert_bits): New insn.
1514         (adjust_len.map_bits): Rename to insert_bits.
1515         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1516         * avr-protos.h (avr_out_map_bits): Remove.
1517         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1518         * config/avr/constraints.md (Cxf,C0f): New.
1519         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1520         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1521         New built-in define __BUILTIN_AVR_INSERT_BITS.
1522         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1523         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1524         (avr_move_bits): Rewrite.
1525         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1526         functions.
1527         (avr_map_op_t): New typedef.
1528         (avr_map_op): New static variable.
1529         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1530         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1531         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1532         (bdesc_3arg, avr_expand_triop_builtin): New.
1533         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1534         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1535         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1536         (avr_map_equal_p, avr_map_sig_p): Remove.
1537         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1538         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1539         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1540         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1541         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1542         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1543
1544 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1545
1546         * config/c6x/c6x.md (reserve_cycles): New attribute.
1547         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1548         don't reserve functional units after the branch occurs.
1549
1550 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1551
1552         PR middle-end/52142
1553         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1554         functions into non-tm_pure functions.
1555
1556 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1557
1558         PR lto/52178
1559         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1560         (iterative_hash_canonical_type): Likewise.
1561         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1562         the dead edges.
1563
1564 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1565
1566         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1567         sched-group insn, it either remains alone or the entire list is pruned.
1568
1569 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1570
1571         * doc/install.texi (Prerequisites): Fix grammar.
1572         (Configuration): Likewise.
1573
1574 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1575
1576         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1577         MPC as part of GCC before describing configuring with --with-gmp etc.
1578         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1579         sources are present.
1580
1581 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1582
1583         PR debug/51950
1584         * dwarf2out.c (clone_tree_hash): New function.
1585         (copy_decls_walk): Use it instead of clone_tree.
1586
1587 2012-02-14  Richard Guenther  <rguenther@suse.de>
1588
1589         PR tree-optimization/52244
1590         PR tree-optimization/51528
1591         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1592         replacements for integral types.
1593
1594 2012-02-14  Walter Lee  <walt@tilera.com>
1595
1596         * config.gcc: Handle tilegx and tilepro.
1597         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1598         tilegx and tilepro.
1599         Add HAVE_AS_TLS check for tilegx and tilepro.
1600         * configure: Regenerate.
1601         * doc/contrib.texi: Add Mat Hostetter and self.
1602         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1603         Document instruction intrinsics and network accessing intrinsics.
1604         (TILEPro Built-in Functions): New node.  Document instruction
1605         intrinsics and network accessing intrinsics.
1606         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1607         (Specific, tilepro-*-linux*): Likewise.
1608         * doc/invoke.texi (TILE-Gx Options): New section.
1609         (TILEPro Options): New section.
1610         * doc/md.texi (TILE-Gx): New section.
1611         (TILEPro): New section.
1612         * common/config/tilegx/tilegx-common.c: New file.
1613         * common/config/tilepro/tilepro-common.c: New file.
1614         * config/tilegx/constraints.md: New file.
1615         * config/tilegx/linux.h: New file.
1616         * config/tilegx/mul-tables.c: New file.
1617         * config/tilegx/predicates.md: New file.
1618         * config/tilegx/sync.md: New file.
1619         * config/tilegx/t-tilegx: New file.
1620         * config/tilegx/tilegx-builtins.h: New file.
1621         * config/tilegx/tilegx-c.c: New file.
1622         * config/tilegx/tilegx-generic.md: New file.
1623         * config/tilegx/tilegx-modes.def: New file.
1624         * config/tilegx/tilegx-multiply.h: New file.
1625         * config/tilegx/tilegx-protos.h: New file.
1626         * config/tilegx/tilegx.c: New file.
1627         * config/tilegx/tilegx.h: New file.
1628         * config/tilegx/tilegx.md: New file.
1629         * config/tilegx/tilegx.opt: New file.
1630         * config/tilepro/constraints.md: New file.
1631         * config/tilepro/gen-mul-tables.cc: New file.
1632         * config/tilepro/linux.h: New file.
1633         * config/tilepro/mul-tables.c: New file.
1634         * config/tilepro/predicates.md: New file.
1635         * config/tilepro/t-tilepro: New file.
1636         * config/tilepro/tilepro-builtins.h: New file.
1637         * config/tilepro/tilepro-c.c: New file.
1638         * config/tilepro/tilepro-generic.md: New file.
1639         * config/tilepro/tilepro-modes.def: New file.
1640         * config/tilepro/tilepro-multiply.h: New file.
1641         * config/tilepro/tilepro-protos.h: New file.
1642         * config/tilepro/tilepro.c: New file.
1643         * config/tilepro/tilepro.h: New file.
1644         * config/tilepro/tilepro.md: New file.
1645         * config/tilepro/tilepro.opt: New file.
1646
1647 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1648
1649         PR tree-optimization/52210
1650         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1651         vect_model_simple_cost with two entry vect_def_type array instead
1652         of an address of dt.
1653
1654 2012-02-14  Richard Guenther  <rguenther@suse.de>
1655
1656         PR lto/52178
1657         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1658         Do not stream DECL_QUALIFIER.
1659         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1660         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1661         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1662
1663 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1664
1665         PR c/52181
1666         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1667         newdecl.
1668
1669 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1670
1671         PR bootstrap/52172
1672         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1673         * cselib.c (cselib_subst_to_values_from_insn): New function.
1674         * sched-deps.c (add_insn_mem_dependence,
1675         sched_analyze_1, sched_analyze_2): Use it.
1676
1677 2012-02-13  Jan Hubicka  <jh@suse.cz>
1678
1679         PR middle-end/52214
1680         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1681
1682 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1683
1684         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1685         (GTM_SELF_SPECS): Define if not already defined.
1686         (driver_self_specs): Add GTM_SELF_SPECS.
1687         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1688         (GTM_SELF_SPECS): Define.
1689         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1690         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1691
1692 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1693
1694         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1695         away if seen.
1696
1697         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1698
1699         PR middle-end/52230
1700         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1701         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1702
1703 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1704
1705         PR c/52190
1706         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1707
1708 2012-02-13  Richard Guenther  <rguenther@suse.de>
1709
1710         PR translation/52211
1711         * passes.c (enable_disable_pass): Fix typo.
1712
1713 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR middle-end/52209
1716         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1717         XOR for reduce_bit_field if type is unsigned.
1718
1719 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1720
1721         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1722         disallow changes from SFmode to mode with different size in FP regs.
1723
1724 2012-02-12  Robert Millan  <rmh@gnu.org>
1725             Gerald Pfeifer <gerald@pfeifer.com>
1726
1727         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1728         Tweak comment.
1729
1730 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1731
1732         PR rtl-optimization/52175
1733         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1734         to frame-related instructions.
1735
1736 2012-02-10  Jason Merrill  <jason@redhat.com>
1737
1738         PR c++/51910
1739         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1740         (demangle_new_symbols): Fill it.
1741         (scan_linker_output): Walk it.
1742         (start_tweaking): Split out from scan_linker_output.
1743         (maybe_tweak): Update sym->chosen.
1744         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1745
1746 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1747
1748         PR debug/52132
1749         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1750
1751 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1752
1753         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1754         having the same mode as previous compare.
1755
1756 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1757
1758         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1759         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1760         (nonlocal_goto_internal): Likewise.
1761         (nonlocal_goto): Emit a use and an indirect jump directly.
1762
1763 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1764
1765         PR c/52190
1766         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1767         __atomic_{is,always}_lock_free.
1768
1769 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1770
1771         PR target/52146
1772         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1773         negative constant address for x32.
1774
1775 2012-02-10  Richard Henderson  <rth@redhat.com>
1776
1777         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1778         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1779         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1780
1781 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1782             Ira Rosen  <irar@il.ibm.com>
1783
1784         PR tree-optimization/50031
1785         * targhooks.c (default_builtin_vectorization_cost): Handle
1786         vec_promote_demote.
1787         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1788         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1789         all types of reduction and pattern statements.
1790         (vect_estimate_min_profitable_iters): Likewise.
1791         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1792         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1793         for explicit realigns.
1794         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1795         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1796         vec_promote_demote.
1797         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1798         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1799         vec_perm for VSX and handle vec_promote_demote.
1800
1801 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1802
1803         PR middle-end/52177
1804         * builtins.c (fold_builtin_atomic_always_lock_free,
1805         expand_builtin_atomic_always_lock_free,
1806         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1807         Return and/or test boolean_true_node/boolean_false_node instead of
1808         integer_one_node/integer_zero_node.
1809
1810 2012-02-10  Jan Hubicka  <jh@suse.cz>
1811
1812         PR middle-end/48600
1813         * predict.c (predict_paths_for_bb): Prevent looping.
1814         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1815
1816 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1817
1818         * config/arm/arm.c (output_move_double): In one case properly
1819         count number of instructions that will be emitted.
1820
1821 2012-02-10  Richard Guenther  <rguenther@suse.de>
1822
1823         PR translation/52193
1824         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1825
1826 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1827
1828         PR middle-end/52140
1829         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1830
1831 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1832
1833         PR debug/52165
1834         * var-tracking.c (emit_note_insn_var_location): If
1835         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1836         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1837         non-NOTE_DURING_CALL_P insn.
1838
1839 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1840
1841         PR middle-end/51867
1842         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1843
1844 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1845
1846         PR driver/48524
1847         * gcc.c (switch_matches) Support switches with separated form,
1848         -D and -U.
1849
1850 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1851
1852         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1853         (SP_ADDR): Ditto.
1854         (RAMPZ_ADDR): Ditto.
1855         * config/avr/avr.c (avr_addr_t): New typedef.
1856         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1857         (avr_init_expanders): Initialize it.
1858         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1859         SREG_ADDR.
1860         (expand_epilogue): Ditto.
1861         (avr_print_operand): Ditto.
1862         (avr_file_start): Ditto.
1863         (avr_emit_movmemhi): Ditto.
1864
1865 2012-02-08  Richard Guenther  <rguenther@suse.de>
1866
1867         PR tree-optimization/46886
1868         * tree-flow.h (do_while_loop_p): Declare.
1869         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1870         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1871
1872 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1873
1874         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1875         always succeed for integers larger than a native word.
1876
1877 2012-02-08  Richard Guenther  <rguenther@suse.de>
1878
1879         PR rtl-optimization/52170
1880         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1881         properly handle integer vector modes.
1882
1883 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1884
1885         PR gcov-profile/52150
1886         * coverage.c: Include target.h.
1887         (build_var): Call targetm.strip_name_encoding on the assembler name.
1888         Change one _ into . or $ if the target allows it.
1889         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1890
1891         PR rtl-optimization/52139
1892         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1893         is a BARRIER after emit_insn_after_noloc, move BB_END
1894         to the last non-BARRIER insn before it.
1895
1896 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1897
1898         PR middle-end/24306
1899         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1900         (mips_gimplify_va_arg_expr): Call it instead of
1901         std_gimplify_va_arg_expr.
1902
1903 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1904
1905         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1906         message for -mno-pointers-to-nested-function.
1907
1908 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1909
1910         PR middle-end/51994
1911         * expr.c (get_inner_reference): If there is an offset, add a negative
1912         bit position to it (if any).
1913
1914 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1915
1916         PR rtl-optimization/52060
1917         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1918         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1919         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1920         and/or i0src_copy2 when needed.
1921
1922 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1923
1924         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1925         or LTOPLUGINSONAME if have_c.
1926
1927         * config/freebsd-spec.h: Add comment about what macros can be defined
1928         in this header.
1929         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1930         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1931         here instead.
1932
1933 2012-02-07  Richard Guenther  <rguenther@suse.de>
1934
1935         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1936         newline in -alias dumps.
1937
1938 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1939             Dave Korn  <dave.korn.cygwin@gmail.com>
1940
1941         PR target/40068
1942         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1943         Take care that typinfo gets dllexport-attribute.
1944
1945 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1946
1947         PR middle-end/52074
1948         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1949         if modifier < EXPAND_SUM call force_operand on the result.
1950
1951 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1952
1953         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1954         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1955         present.
1956         (epiphany_function_type): Replace types for specific interrupts with
1957         EPIPHANY_FUNCTION_INTERRUPT.
1958         (EPIPHANY_INTERRUPT_P): Update.
1959         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1960         New static function.
1961         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1962         <disinterrupt>: Affects type identity.
1963         (epiphany_handle_interrupt_attribute): Handle variable number of
1964         arguments.
1965         (epiphany_compute_function_type): Update for new
1966         epiphany_function_type definition.
1967         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1968         handlers with a longcall forwarder.
1969         (epiphany_start_function): Handle multiple interrupt arguments and/or
1970         forwarder_section attribute.
1971
1972         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1973         libgloss.
1974
1975 2012-02-07  Alan Modra  <amodra@gmail.com>
1976
1977         PR target/52107
1978         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1979         subregs of TFmode.
1980
1981 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1982
1983         PR tree-optimization/50969
1984         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1985         use vec_perm rather than vector_stmt.
1986         (vect_model_load_cost): Likewise.
1987         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1988         vec_perm to be the same as other vector statements.
1989         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1990         cost of vec_perm for TARGET_VSX.
1991
1992 2012-02-06  Richard Guenther  <rguenther@suse.de>
1993
1994         PR tree-optimization/52115
1995         * tree-sra.c (access_has_replacements_p): New function.
1996         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1997
1998 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1999
2000         PR middle-end/52047
2001         * trans-mem.c (expand_call_tm): Add an assertion.
2002         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2003         functions.
2004
2005 2012-02-06  Richard Guenther  <rguenther@suse.de>
2006
2007         PR tree-optimization/50955
2008         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2009         raise cost of expressions that replace an address with an
2010         expression based on a different pointer.
2011
2012 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2013
2014         PR target/52129
2015         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2016         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2017
2018 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2019
2020         PR c++/48680
2021         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2022         -Weffc++ and specify guidelines come from second edition.
2023
2024 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2025
2026         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2027         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2028         (call_direct_split, call_value_split, call_value_internal_direct)
2029         (call_value_direct_split, call_value_multiple_split): Use jal and
2030         jal_macro attributes.
2031
2032 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2033
2034         * reload1.c (reload_regs_reach_end_p): Replace with...
2035         (reload_reg_rtx_reaches_end_p): ...this function.
2036         (new_spill_reg_store): Update commentary.
2037         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2038         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2039         before setting new_spill_reg_store.
2040         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2041         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2042         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2043         for non-spill reload registers.
2044
2045 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2046
2047         PR tree-optimization/52091
2048         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2049         (vect_is_simple_use_1): Likewise.
2050         * tree-vect-loop.c (vectorizable_reduction): Update calls
2051         to vect_is_simple_use_1 and vect_is_simple_use.
2052         (vectorizable_live_operation): Likewise.
2053         * tree-vect-patterns.c (widened_name_p,
2054         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2055         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2056         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2057         vectorizable_shift,vectorizable_operation, vectorizable_store,
2058         vectorizable_load): Likewise.
2059         (vect_is_simple_cond): Add an argument, pass it to
2060         vect_is_simple_use_1.
2061         (vectorizable_condition): Update calls to vect_is_simple_cond,
2062         vect_is_simple_use.
2063         (vect_is_simple_use): Add an argument, the statement in which
2064         OPERAND is used.  Check that if OPERAND's def stmt is a double
2065         reduction phi node, the use is a phi node too.
2066         (vect_is_simple_use_1): Add an argument, pass it to
2067         vect_is_simple_use.
2068         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2069         to vect_is_simple_use.
2070
2071 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2072
2073         PR rtl-optimization/52095
2074         * modulo-sched.c (dump_insn_locator): New function.
2075         (loop_canon_p, sms_schedule): Use it.
2076
2077         PR rtl-optimization/52113
2078         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2079         even for decomposable shift/zext insns.
2080
2081 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2082             Zdenek Dvorak  <ook@ucw.cz>
2083
2084         PR rtl-optimization/52092
2085         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2086         on get_iv_value result.
2087
2088 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2089
2090         PR middle-end/47982
2091         PR middle-end/43967
2092         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2093
2094 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2095
2096         PR middle-end/48071
2097         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2098
2099 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2100
2101         PR rtl-optimization/49800
2102         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2103         (sched_finish): Call regstat_free_n_sets_and_refs.
2104
2105 2012-02-02  Jia Liu  <proljc@gmail.com>
2106
2107         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2108         than operand 2.
2109
2110 2012-02-02  Jan Hubicka  <jh@suse.cz>
2111             Tom de Vries  <tom@codesourcery.com>
2112
2113         PR middle-end/51998
2114         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2115         * varpool.c (varpool_analyze_pending_decls): Likewise.
2116
2117 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2118             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2119
2120         * config.gcc: Add cr16-* support.
2121
2122         * doc/extend.texi: Document cr16 extensions.
2123         * doc/install.texi: Document cr16 install.
2124         * doc/invoke.texi: Document cr16 options.
2125         * doc/md.texi: Document cr16 constraints.
2126
2127         * common/config/cr16/cr16-common.c: New file.
2128         * config/cr16/cr16.c: New file.
2129         * config/cr16/cr16.h: New file.
2130         * config/cr16/cr16.md: New file.
2131         * config/cr16/cr16.opt: New file.
2132         * config/cr16/cr16-protos.h: New file.
2133         * config/cr16/predicates.md: New file.
2134         * config/cr16/constraints.md: New file.
2135         * config/cr16/t-cr16: New file.
2136
2137 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2138
2139         PR target/52086
2140         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2141         that operands[2] is either immediate, or q_regs_operand.
2142
2143         PR tree-optimization/52073
2144         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2145         a pattern stmt for pattern uses, ignore uses outside of the loop.
2146
2147 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2148
2149         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2150         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2151         (OUT_AS1, OUT_AS2): Remove.
2152
2153 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2154
2155         PR rtl-optimization/51374
2156         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2157         to cross other volatile_refs_p insns.
2158
2159 2012-02-01  Richard Guenther  <rguenther@suse.de>
2160
2161         * doc/invoke.texi (fno-inline): Clarify documentation.
2162         (finline-small-functions): Likewise.
2163         (finline-functions): Likewise.
2164         * common.opt (finline): Adjust comment and documentation.
2165         (finline-small-functions): Clarify documentation.
2166         (finline-functions): Likewise.
2167         (finline-functions-called-once): Likewise.
2168
2169 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2170
2171         * c-typeck.c (composite_type): Keep mode for pointers.
2172
2173 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2174
2175         * function.h (regno_reg_rtx): Adjust comment.
2176         * reginfo.c (init_reg_modes_target): Only use the previous mode
2177         if it fits within one register.  Remove MIPS comment.
2178
2179 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2180
2181         PR bootstrap/52058
2182         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2183
2184 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2185
2186         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2187         to srak instruction.
2188
2189 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2190
2191         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2192
2193 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2194
2195         PR bootstrap/52041
2196         PR bootstrap/52039
2197         PR target/51974
2198         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2199
2200 2012-01-31  Richard Guenther  <rguenther@suse.de>
2201
2202         PR tree-optimization/51528
2203         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2204         assigns.
2205
2206 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2207
2208         PR bootstrap/52041
2209         PR bootstrap/52039
2210         PR target/51974
2211         * ree.c (add_removable_extension): Change def_map argument
2212         to unsigned *, store in def_map 1 + offset into *insn_list vector
2213         instead of pointers into the vector.
2214         (find_removable_extensions): Adjust caller.
2215
2216 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2217
2218         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2219         Transform all "* quoted-c-code" to { c-code }.
2220         Remove redundant test for "optimize" in combine patterns.
2221         Move (include "avr-dimode.md") to end of file.
2222
2223 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2224
2225         PR target/51835
2226         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2227         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2228
2229 2012-01-30  Richard Guenther  <rguenther@suse.de>
2230
2231         PR tree-optimization/52028
2232         * tree-loop-distribution.c (ldist_gen): Properly update
2233         virtual SSA form.
2234
2235 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2236
2237         PR debug/52027
2238         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2239         set_cur_line_info_table if not emitting debug info.
2240
2241         PR tree-optimization/52046
2242         * tree-vect-patterns.c (check_bool_pattern): Give up if
2243         a comparison could throw.
2244
2245         PR debug/52048
2246         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2247
2248 2012-01-30  Richard Guenther  <rguenther@suse.de>
2249
2250         PR tree-optimization/52045
2251         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2252         SSA form if cfgcleanup did anything.
2253
2254 2012-01-30  Richard Guenther  <rguenther@suse.de>
2255
2256         PR tree-optimization/52045
2257         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2258         before computing final todo.
2259
2260 2012-01-30  Richard Guenther  <rguenther@suse.de>
2261
2262         PR tree-optimization/51528
2263         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2264         for PR51528 fix.
2265
2266 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2267
2268         * df-problems.c (df_kill_notes): Check that the use refers
2269         to the note under examination.
2270
2271 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2272
2273         PR target/51920
2274         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2275         parameter and use short-lived pseudos.
2276         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2277         (sparc_expand_vector_init): Const-ify local variables and adjust
2278         calls to above functions.
2279
2280 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2281
2282         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2283
2284 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2285
2286         * doc/invoke.texi: Make usage of "compile time" and
2287         "run time"/"runtime" consistent throughout the file.
2288
2289 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2290
2291         * config/alpha/alpha.c (alpha_option_override): Default to
2292         full IEEE compliance mode for Go language.
2293
2294 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2295
2296         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2297         (LINK_SSP_SPEC): Define.
2298
2299 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2300
2301         PR target/51871
2302         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2303         stubs.
2304
2305 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2306
2307         * doc/invoke.texi: Correct hyphenation of "floating point",
2308         "double precision", and related terminology throughout the file.
2309
2310 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2311
2312         PR target/52006
2313         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2314         arm_general_register_operand predicate for operand 2 instead of
2315         register_operand.
2316
2317 2012-01-27  Ian Lance Taylor  <iant@google.com>
2318
2319         PR go/47656
2320         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2321         * builtins.c (expand_builtin_init_trampoline): Add onstack
2322         parameter.  Change caller.
2323         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2324         * tree.c (build_common_builtin_nodes): Declare
2325         __builtin_init_heap_trampoline.
2326
2327 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2328
2329         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2330         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2331         * config/avr/avr.c: Ditto.
2332         (avr_regnames): Remove because unused.
2333         * config/avr/avr.md (*cpse.ne): New peephole.
2334         (*cpse.eq): New peephole from former cpse peepholes.
2335
2336 2012-01-27  Michael Eager  <eager@eagercon.com>
2337
2338         * config/microblaze.c (microblaze_emit_compare): Correct
2339         test after pcmp instruction.
2340
2341 2012-01-27  Richard Guenther  <rguenther@suse.de>
2342
2343         PR tree-optimization/52020
2344         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2345
2346 2012-01-27  Richard Guenther  <rguenther@suse.de>
2347
2348         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2349         function non-const/pure.
2350
2351 2012-01-27  Richard Guenther  <rguenther@suse.de>
2352
2353         PR tree-optimization/50444
2354         * tree-sra.c (build_ref_for_offset): Properly adjust the
2355         MEM_REF type for unaligned accesses.
2356
2357 2012-01-27  Richard Guenther  <rguenther@suse.de>
2358
2359         PR tree-optimization/50444
2360         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2361         (expand_assignment): Use it.  Properly handle misaligned
2362         bases when expanding stores to component references.
2363         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2364         refactor that case.
2365
2366 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2367
2368         PR middle-end/51389
2369         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2370         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2371         * tree-data-ref.c (find_data_references_in_loop): Make static.
2372         (compute_all_dependences): Change return type to bool.  Bail out
2373         for too many datarefs in a loop.  Move the hunk resetting the data
2374         dependences vector from ...
2375         (compute_data_dependences_for_loop): ... here.  Account for
2376         compute_all_dependences returning false.
2377         (compute_data_dependences_for_bb): Likewise.
2378         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2379         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2380
2381 2012-01-27  Richard Guenther  <rguenther@suse.de>
2382
2383         PR middle-end/51959
2384         * expr.c (store_field): Use the alias-set of the scratch memory
2385         for storing to it.
2386
2387 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2388
2389         PR tree-optimization/51990
2390         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2391         WITH_SIZE_EXPR.
2392         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2393
2394 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2395
2396         PR debug/52001
2397         * var-tracking.c (reverse_op): Don't add any reverse operation
2398         if V already has any constant locations.
2399
2400 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2401
2402         * doc/invoke.texi: Correct usage of "command line" (noun)
2403         vs "command-line" (adjective) throughout.
2404
2405 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2406
2407         * doc/invoke.texi (Language Independent Options): Move
2408         -Wcoverage-mismatch blurb from here....
2409         (Warning Options): ...to here.
2410
2411 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2412
2413         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2414         Set rs6000_always_hint to false for 476.
2415
2416 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2417
2418         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2419           system root.
2420         * incpath.c (add_standard_paths): Likewise.
2421
2422 2012-01-27  Richard Henderson  <rth@redhat.com>
2423
2424         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2425         * config/m68k/sync.md (atomic_test_and_set): Rename from
2426         sync_test_and_setqi and adjust the operands.
2427         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2428         and unconditionally enable.
2429
2430 2012-01-27  Richard Henderson  <rth@redhat.com>
2431
2432         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2433         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2434         (ldstub): Rename from ldstubqi.
2435         (ldstub<I24MODE>): Remove.
2436
2437 2012-01-27  Richard Henderson  <rth@redhat.com>
2438
2439         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2440         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2441         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2442         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2443         * doc/tm.texi: Rebuild.
2444
2445 2012-01-27  Richard Henderson  <rth@redhat.com>
2446
2447         * optabs.c (gen_atomic_test_and_set): Remove default.
2448         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2449
2450 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2451
2452         PR rtl-optimization/51978
2453         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2454         (combine_reaching_defs): Likewise.
2455         (struct re_info): Remove.
2456         (add_removable_extension): Remove x and data arguments,
2457         add insn, insn_list and def_map.  Use the arguments directly
2458         instead of using struct re_info.
2459         (find_removable_extensions): Don't call add_removable_extension
2460         through note_stores, instead just call it with single_set
2461         result if non-NULL.
2462         (find_and_remove_re): Pass curr_cand->expr instead of
2463         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2464
2465 2012-01-26  Michael Matz  <matz@suse.de>
2466
2467         PR tree-optimization/46590
2468         * cfgexpand.c: Revert last change (r183305).
2469         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2470         regs.
2471         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2472         checking for emptiness.
2473
2474 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2475
2476         PR middle-end/51895
2477         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2478         non-addressable non-BLKmode base correctly.
2479
2480 2012-01-26  Michael Matz  <matz@suse.de>
2481
2482         PR tree-optimization/48794
2483         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2484         regions referenced from RESX/EH_DISPATCH.
2485
2486 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2487
2488         * config/s390/s390.h: Make BRANCH_COST an option.
2489         * config/s390/s390.opt: New option -mbranch-cost.
2490
2491 2012-01-26  Richard Henderson  <rth@redhat.com>
2492
2493         Revert 2012-01-24 change:
2494         * trans-mem.c (requires_barrier): Do not instrument thread local
2495         variables and emit save/restore for them.
2496
2497 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2498
2499         PR middle-end/51986
2500         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2501         for pat == 0.
2502
2503 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2504
2505         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2506         ASM_OPERANDS.
2507
2508 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2509
2510         PR target/49868
2511         Rename __pgm to __flash.
2512         Rename __pgm1 to __flash1.
2513         Rename __pgm2 to __flash2.
2514         Rename __pgm3 to __flash3.
2515         Rename __pgm4 to __flash4.
2516         Rename __pgm5 to __flash5.
2517         Rename __pgmx to __memx.
2518         * doc/extend.texi (AVR Named Address Spaces)
2519         Rename address space names as indicated above.
2520         * config/avr/avr.c (avr_addrspace): Ditto.
2521
2522         * config/avr/avr-protos.h
2523         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2524         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2525         * config/avr/predicates.md: Ditto.
2526         * config/avr/avr.c Ditto, and
2527         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2528         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2529
2530         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2531         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2532         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2533         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2534         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2535         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2536         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2537         * config/avr/avr.c: Ditto.
2538         * config/avr/avr.md: Ditto.
2539
2540 2012-01-25  Jason Merrill  <jason@redhat.com>
2541
2542         PR c++/51992
2543         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2544
2545 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2546
2547         PR tree-optimization/51987
2548         * tree-data-ref.c (get_references_in_stmt): Handle references in
2549         non-volatile GIMPLE_ASM.
2550
2551 2012-01-25  Richard Guenther  <rguenther@suse.de>
2552
2553         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2554         bases are dereferenced.
2555
2556 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2557
2558         PR rtl-optimization/48374
2559         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2560
2561 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2562
2563         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2564         compute_data_dependences_for_loop returns false.
2565         * tree-parloops.c (loop_parallel_p): Likewise.
2566
2567 2012-01-25  Richard Guenther  <rguenther@suse.de>
2568
2569         * tree.h (get_pointer_alignment_1): Declare.
2570         * builtins.c (get_pointer_alignment_1): New function.
2571         (get_pointer_alignment): Use it.
2572
2573 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2574
2575         PR rtl-optimization/48308
2576         * combine.c (enum undo_kind): Add UNDO_LINKS.
2577         (struct undo): Add member l to other_contents and where.
2578         (do_SUBST_LINK): New.
2579         (SUBST_LINK): New.
2580         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2581         (undo_all): Handle UNDO_LINKS.
2582
2583 2012-01-25  Richard Henderson  <rth@redhat.com>
2584
2585         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2586         mem inputs.
2587
2588 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2589
2590         * optabs.c (gen_atomic_test_and_set): Use each argument.
2591
2592 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2593
2594         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2595         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2596         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2597         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2598         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2599         TARGET_PAIRED_SINGLE_FLOAT.
2600
2601 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2602
2603         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2604         (in_struct, return_val): Remove MEM documentation.
2605         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2606         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2607         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2608         and MEM_SCALAR.
2609         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2610         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2611         * expr.c (store_field): Likewise.
2612         * function.c (assign_stack_temp_for_type): Likewise.
2613         * ifcvt.c (noce_try_cmove_arith): Likewise.
2614         * reload1.c (reload): Likewise.
2615         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2616         (alpha_set_memflags): Likewise.
2617         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2618
2619 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2620
2621         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2622         parameter.
2623         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2624         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2625         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2626         varies parameter.
2627         * cselib.c (cselib_rtx_varies_p): Delete.
2628         (cselib_invalidate_mem): Update call to canon_true_dependence.
2629         * dse.c (record_store, check_mem_read_rtx): Likewise.
2630         (scan_reads_nospill): Likewise.
2631         * cse.c (check_dependence): Likewise.
2632         (cse_rtx_varies_p): Delete.
2633         * expr.c (safe_from_p): Update call to true_dependence.
2634         * ira.c (validate_equiv_mem_from_store): Likewise.
2635         (memref_referenced_p): Likewise.
2636         * postreload-gcse.c (find_mem_conflicts): Likewise.
2637         * sched-deps.c (sched_analyze_2): Likewise.
2638         * store-motion.c (load_kills_store): Likewise.
2639         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2640         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2641         (compute_transp): Update call to canon_true_dependence.
2642
2643 2012-01-25  Richard Henderson  <rth@redhat.com>
2644
2645         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2646         (maybe_emit_atomic_test_and_set): New.
2647         (expand_sync_lock_test_and_set): Use it.
2648         (expand_atomic_test_and_set): Likewise.
2649         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2650         the implementation; clarify implementation defined details.
2651         * doc/md.texi (atomic_test_and_set): Document.
2652
2653 2012-01-25  Richard Henderson  <rth@redhat.com>
2654
2655         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2656
2657 2012-01-25  Richard Henderson  <rth@redhat.com>
2658
2659         PR target/51968
2660         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2661         to effect no-op split.
2662
2663 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2664
2665         PR lto/51698
2666         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2667         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2668         (BT_FN_VOID_PTR_INT_SIZE): New.
2669         (BT_FN_UINT_UINT_VAR): Remove.
2670         (BT_FN_UINT32_UINT32_VAR): New.
2671         (BT_FN_DOUBLE_VPTR): Remove.
2672         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2673
2674         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2675         (_ITM_changeTransactionMode): Same.
2676         (_ITM_memmoveRtWt): Change return type to void.
2677         (_ITM_memcpyRtWt): Same.
2678         (_ITM_memsetW): Same.
2679         (_ITM_RaRD): Change types to double.
2680         (_ITM_RD): Same.
2681         (_ITM_RaWD): Same.
2682         (_ITM_RfWD): Same.
2683
2684         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2685
2686 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2687             Patrick Marlier  <patrick.marlier@gmail.com>
2688
2689         * trans-mem.c (requires_barrier): Do not instrument thread local
2690         variables and emit save/restore for them.
2691
2692 2012-01-24  Jason Merrill  <jason@redhat.com>
2693
2694         PR c++/51812
2695         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2696         output static aliases.
2697
2698 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2699
2700         PR driver/47249
2701         * common.opt (-pie, -shared, pie, shared): Change from Common to
2702         Driver.
2703         * gcc.c (display_help): Display help for -pie and -shared.
2704
2705 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2706
2707         PR target/49868
2708         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2709         Remove note on size/offset limitation.
2710         (AVR Variable Attributes): Add example how to read data located
2711         with progmem.  Refer to named address spaces.
2712         * doc/invoke.texi (AVR Options): Fix typo.
2713
2714 2012-01-24  Richard Guenther  <rguenther@suse.de>
2715
2716         Forward-port to trunk
2717         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2718
2719         PR middle-end/45678
2720         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2721         op0 isn't sufficiently aligned and there is movmisalignM
2722         insn for mode, use it to load op0 into a temporary register.
2723
2724 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2725
2726         PR target/51957
2727         * target.def (const_not_ok_for_debug_p): New hook.
2728         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2729         documentation.
2730         * doc/tm.texi: Regenerated.
2731         * dwarf2out.c (const_ok_for_output_1): If
2732         targetm.const_not_ok_for_debug_p returns true, fail.
2733         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2734         function.
2735         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2736
2737 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2738
2739         PR target/51900
2740         * config/i386/predicates.md (symbolic_operand): Allow
2741         UNSPEC_PCREL as PIC expression for lea.
2742         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2743         * config/i386/i386.c (ix86_delegitimize_address): Handle
2744         UNSPEC_PCREL for none-MEM, too.
2745
2746 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2747
2748         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2749         (ipa_tm_create_version_alias): Same.
2750
2751 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2752
2753         PR libitm/51830
2754         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2755         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2756
2757 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2758             Patrick Marlier  <patrick.marlier@gmail.com>
2759             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2760
2761         PR lto/51916
2762         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2763         simple_object_start_read.
2764
2765 2012-01-23  Richard Guenther  <rguenther@suse.de>
2766
2767
2768         PR tree-optimization/51895
2769         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2770         parameter decomposition into BLKmode components.
2771
2772 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2773
2774         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2775         fake variables for restrict-qualified pointers whose pointed-to type
2776         contains a placeholder.
2777
2778 2012-01-23  Richard Guenther  <rguenther@suse.de>
2779
2780         PR tree-optimization/51949
2781         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2782
2783 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2784
2785         PR rtl-optimization/51933
2786         * ree.c (transform_ifelse): Return true right away if dstreg is
2787         already wider or equal to cand->mode.
2788         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2789         (make_defs_and_copies_lists): Remove defs_list and copies_list
2790         arguments, add state argument, just truncate state->work_list
2791         instead of always allocating and freeing the vector.  Assert that
2792         get_defs succeeds instead of returning 2.  Changed return type to bool.
2793         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2794         have ext_src_mode, see if it has been modified already with the
2795         right kind of extension and has been extended before from the
2796         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2797         just return true.  Remember the original mode in state->modified array.
2798         (combine_reaching_defs): Add state argument.  Don't allocate and
2799         free here def_list, copied_list and vec vectors, instead just
2800         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2801         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2802         Add state variable, clear vectors in it, initialize state.modified
2803         if needed.  Free all the vectors at the end and state.modified too.
2804         Don't skip a candidate if the extension expression has been modified.
2805
2806 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2807
2808         PR target/47096
2809         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2810          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2811         (extra_options) interix.opt -> i386/interix.opt"
2812         (extra_objs):Add winnt-stubs.o
2813         * configure.ac: Add interix to target_os .comm on PE check.
2814         * configure: Regenerate.
2815         * config/interix3.h: Delete and move bits to..
2816         * config/interix.h: Delete and move bits to..
2817         * config/i386/i386-interix3.h: Delete and move bits to..
2818         * config/i386/i386-interix.h: ..here.
2819         (TARGET_CPU_DEFAULT): Remove redefinition.
2820         (TARGET_ASM_CONSTRUCTOR): Undefine.
2821         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2822         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2823         (PTRDIFF_TYPE): Define.
2824         (LONG_DOUBLE_TYPE_SIZE): Define.
2825         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2826         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2827         (TARGET_SECTION_TYPE_FLAGS): Define.
2828         (ASM_DECLARE_FUNCTION_NAME): Define.
2829         (ASM_OUTPUT_EXTERNAL): Define.
2830         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2831         (ASM_OUTPUT_ALIGNED_BSS): Define.
2832         (PCC_BITFIELD_TYPE_MATTERS): Define.
2833         (USE_CONST_SECTION): Define.
2834         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2835         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2836         (SUPPORTS_ONE_ONLY): Remove.
2837         (I386_PE_STRIP_ENCODING): Define.
2838         * config/interix.opt: Delete and move bits to..
2839         * config/i386/interix.opt: ..here. New.
2840         (mpe-aligned-commons): Add.
2841         * config/i386/t-interix: Add copyright header.
2842         (winnt-stubs.o): Add rule.
2843
2844 2012-01-22  Jason Merrill  <jason@redhat.com>
2845
2846         PR c++/51832
2847         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2848         for extra name aliases.
2849
2850 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2851
2852         PR rtl-optimization/51924
2853         * ree.c (combine_set_extension): Improve debugging message.
2854         (combine_reaching_defs): Likewise.
2855         (get_defs): Rename confusingly named variable.
2856         (find_and_remove_re): Skip a candidate if the extension expression has
2857         been modified.
2858
2859 2012-01-21  Robert Millan  <rmh@gnu.org>
2860             Gerald Pfeifer  <gerald@pfeifer.com>
2861
2862         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2863         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2864
2865 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2866
2867         PR tree-optimization/51914
2868         * tree-vect-stmts.c (vectorizable_conversion): For
2869         cvt_type && modifier == WIDEN, put temporary with cvt_type
2870         at the beginning of vec_dsts and set vec_dest to temporary
2871         with vectype_out.
2872
2873 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2874
2875         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2876
2877 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2878
2879         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2880         * config/rs6000/rs6000.c: Likewise.
2881
2882 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2883
2884         PR target/51915
2885         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2886         output_move_double on a copy of operands array.
2887
2888 2012-01-20  Cary Coutant  <ccoutant@google.com>
2889             Dodji Seketeli  <dodji@redhat.com>
2890
2891         PR debug/45682
2892         * dwarf2out.c (copy_declaration_context): Return ref to parent
2893         of declaration DIE, if necessary.
2894         (remove_child_or_replace_with_skeleton): Add new parameter; update
2895         caller.  Place skeleton DIE under parent DIE of original declaration.
2896         Move call to copy_declaration_context to here ...
2897         (break_out_comdat_types): ... from here.
2898
2899 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2900
2901         PR rtl-optimization/51856
2902         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2903         flag to reloaded.
2904
2905 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2906
2907         PR target/51819
2908         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2909         hints for neon loads and stores.
2910
2911 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2912
2913         PR target/49868
2914         PR target/50887
2915         * doc/extend.texi (Named Address Spaces): Split into subsections.
2916         (AVR Named Address Spaces): New subsection.
2917         (M32C Named Address Spaces): New subsection.
2918         (RL78 Named Address Spaces): New subsection.
2919         (SPU Named Address Spaces): New subsection.
2920         (Variable Attributes): New anchor "AVR Variable Attributes".
2921         (AVR Variable Attributes): Rewrite and avoid wording
2922         "address space" in this context.
2923         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2924         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2925         (AVR Built-in Macros): New subsubsection therein.
2926         * doc/md.texi (AVR constraints): Remove "C04", "R".
2927
2928 2012-01-20  Richard Guenther  <rguenther@suse.de>
2929
2930         PR tree-optimization/51903
2931         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2932         when removing stmts.
2933
2934 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2935
2936         PR target/50313
2937         * config/arm/arm.c (arm_load_pic_register): Use
2938         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2939         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2940         (arm_pic_static_addr): Likewise.
2941         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2942         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2943         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2944         (pic_load_addr_unified): New.
2945
2946 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2947
2948         PR target/51106
2949         * function.c (instantiate_virtual_regs_in_insn): Use
2950         delete_insn_and_edges when removing a wrong asm insn.
2951
2952 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2953
2954         PR rtl-optimization/40761
2955         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2956         Add new member loop_num.
2957         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2958         (ira_build): Remove the parameter.
2959
2960         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2961         (ira.c): Do not build CFG loops for one region allocation.  Remove
2962         argument from ira_build call.
2963
2964         * ira-build.c (init_loop_tree_node): New function.
2965         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2966         loops are not built.
2967         (more_one_region_p): Check current_loops.
2968         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2969         built.
2970         (add_loop_to_tree): Process loop equal to NULL too.
2971         (form_loop_tree): Separate the case when CFG loops are not built.
2972         Use explicitly number for the root.
2973         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2974         an assertion.
2975         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2976         instead of loop->num.
2977         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2978         (mark_all_loops_for_removal): Ditto.
2979         (remove_unnecessary_regions): Separate the case when CFG loops
2980         are not built.
2981         (ira_build): Remove the parameter.  Use explicit number of regions
2982         when CFG loops are not built.
2983
2984         * ira-color.c (print_loop_title): Separate the case for the root node.
2985         Use loop_num instead of loop->num.
2986         (move_spill_restore): Use loop_num instead of loop->num.
2987
2988         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2989         (change_loop): Ditto.
2990         (change_loop): Use loop_num instead of loop->num.
2991
2992         * ira-lives.c (process_bb_node_lives): Ditto.
2993
2994         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2995
2996         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2997
2998 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2999
3000         PR libmudflap/40778
3001         * tree-mudflap.c (mf_artificial): New function.
3002         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3003         mx_register_decls, mudflap_enqueue_decl): Use it.
3004
3005         PR target/51876
3006         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3007         numbers in the insn pattern.
3008
3009 2012-01-19  Michael Matz  <matz@suse.de>
3010
3011         PR tree-optimization/46590
3012         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3013         use it in remembering which conflicts we already created.
3014         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3015         bitmap.
3016
3017 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3018
3019         PR lto/51280
3020         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3021         (merge_and_complain): Same.
3022
3023 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3024
3025         PR bootstrap/50237
3026         * config/initfini-array.h: Guard content of the header
3027         with #ifdef HAVE_INITFINI_ARRAY.
3028         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3029         Add initfini-array.h to tm_file here.
3030         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3031         * config.gcc: Don't add initfini-array.h to tm_file here.
3032         * configure: Regenerated.
3033
3034 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3035
3036         PR rtl-optimization/51505
3037         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3038         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3039         (df_note_bb_compute): Update the call to df_kill_notes.
3040
3041 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3042
3043         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3044
3045 2012-01-18  Richard Guenther  <rguenther@suse.de>
3046
3047         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3048         of conversions to void *.
3049
3050 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3051             Richard Sandiford  <rdsandiford@googlemail.com>
3052
3053         PR middle-end/50325
3054         PR middle-end/51192
3055         * optabs.h (simplify_expand_binop): Declare.
3056         * optabs.c (simplify_expand_binop): Make global.
3057         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3058         endian targets if the source cannot be exactly covered by word
3059         mode chunks.
3060
3061 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3062
3063         PR bootstrap/51872
3064         * hard-reg-set.h (struct hard_reg_set_container): New type.
3065         * target.h (struct hard_reg_set_container): Forward declare.
3066         * target.def (set_up_by_prologue): New target hook.
3067         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3068         * doc/tm.texi: Regenerated.
3069         * function.c (thread_prologue_and_epilogue_insns): Change
3070         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3071         Call targetm.set_up_by_prologue on it.
3072         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3073         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3074
3075 2012-01-17  Nick Clifton  <nickc@redhat.com>
3076
3077         * config/rx/rx.c (rx_can_use_simple_return): New function.
3078         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3079         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3080
3081 2012-01-17  Richard Guenther  <rguenther@suse.de>
3082
3083         PR middle-end/51782
3084         * expr.c (expand_assignment): Take address-space information
3085         from the address operand of MEM_REF and TARGET_MEM_REF.
3086         (expand_expr_real_1): Likewise.
3087
3088 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3089
3090         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3091         reload dump is requested.
3092
3093 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3094
3095         PR other/51165
3096         * trans-mem.c (requires_barrier): Call may_be_aliased.
3097
3098 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3099
3100         PR tree-optimization/51877
3101         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3102         call arguments and fndecls compare equal, instead return false if they
3103         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3104         both SSA_NAMEs that are valueized the same, or they satisfy
3105         operand_equal_p.
3106
3107 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3108
3109         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3110         Solaris 11+.
3111         * configure: Regenerate.
3112
3113 2012-01-16  Jan Hubicka  <jh@suse.cz>
3114
3115         PR c/12245
3116         PR c++/14179
3117         * convert.c (convert_to_integer): Use fold_convert for
3118         converting an INTEGER_CST to integer type.
3119
3120 2012-01-16  Jason Merrill  <jason@redhat.com>
3121
3122         PR c++/14179
3123         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3124
3125 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3126
3127         PR bootstrap/51860
3128         * config/s390/s390.c (s390_chunkify_start): Don't skip
3129         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3130         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3131         If insn is followed by NOTE_INSN_VAR_LOCATION or
3132         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3133         Don't use location of note insns.
3134
3135         PR tree-optimization/51865
3136         * tree-inline.c (tree_function_versioning): Call remap_decl
3137         on DECL_RESULT whenever it has VOID_TYPE_P type.
3138
3139 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3140
3141         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3142         for calls to locally-binding MIPS16 functions if only the return
3143         type uses float regs.
3144
3145 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3146             Richard Sandiford  <rdsandiford@googlemail.com>
3147
3148         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3149         (SYMBOL_32_HIGH): Likewise.
3150         (mips_output_tls_reloc_directive): Declare.
3151         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3152         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3153         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3154         (mips_lo_relocs, mips_hi_relocs): Make extern.
3155         (mips16_stub_function): Move up file.
3156         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3157         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3158         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3159         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3160         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3161         (mips_get_tp): Add MIPS16 support.
3162         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3163         Generalize DTPREL and TPREL handling.
3164         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3165         Add MIPS16 TLS support.
3166         (mips_output_tls_reloc_directive): New function.
3167         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3168         * config/mips/predicates.md (symbolic_operand_with_high)
3169         (tls_reloc_operand): New predicates.
3170         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3171         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3172         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3173         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3174         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3175         (*tls_get_tp_mips16_call_<mode>): Likewise.
3176
3177 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3178
3179         PR rtl-optimization/51821
3180         * recog.c (peep2_find_free_register): Determine clobbered registers
3181         from insn pattern.
3182
3183 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3184
3185         PR target/50925
3186         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3187         * config/avr/avr.c: Likewise.
3188         * config/avr/avr.h: Likewise.
3189
3190 2012-01-13  Ian Lance Taylor  <iant@google.com>
3191
3192         PR c++/50012
3193         * tree.h (TYPE_QUALS): Add cast to int.
3194         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3195
3196 2012-01-13  Ian Lance Taylor  <iant@google.com>
3197
3198         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3199         comparing param_index to VEC_length result.
3200
3201 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3202
3203         * c-decl.c: Do not include tree-mudflap.h
3204         * tree-optimize.c: Likewise.
3205         * Makefile.in: Update dependencies.
3206
3207 2012-01-13  Richard Guenther  <rguenther@suse.de>
3208
3209         PR middle-end/8081
3210         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3211         variable-sized result always use RSO.
3212
3213 2012-01-12  DJ Delorie  <dj@redhat.com>
3214
3215         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3216         pointer type, not just the default pointer type.
3217
3218 2012-01-09  Richard Henderson  <rth@redhat.com>
3219             Denis Chertykov  <chertykov@gmail.com>
3220
3221         PR target/50925
3222         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3223         * config/avr/avr.c (avr_can_eliminate): Simplify.
3224         (avr_initial_elimination_offset): Likewise.
3225         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3226         (expand_epilogue): Likewise.
3227         (avr_legitimize_address): Gut.
3228         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3229         (avr_hard_regno_nregs): New.
3230         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3231         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3232         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3233         add soft frame pointer.
3234         (CALL_USED_REGISTERS): Likewise.
3235         (REG_CLASS_CONTENTS): Likewise.
3236         (REGISTER_NAMES): Likewise.
3237         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3238         (HARD_FRAME_POINTER_REGNUM): New.
3239         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3240         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3241         remove the HARD_FRAME_POINTER self-elimination.
3242
3243 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3244
3245         PR target/51756
3246         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3247         DECL_EXTERNAL when checking for initializers of progmem variables.
3248
3249 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3250
3251         PR tree-optimization/51799
3252         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3253         that the last operation is a type demotion.
3254
3255 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3256
3257         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3258         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3259
3260 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3261
3262         PR bootstrap/51796
3263         * combine.c (distribute_notes): If i3 is a noreturn call,
3264         allow old_size to be equal to args_size and make sure the
3265         noreturn call gets REG_ARGS_SIZE note.
3266         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3267         on noreturn calls even when the delta is 0.
3268
3269 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3270
3271         * gcov.c (STRING_SIZE): Remove.
3272         (generate_results): Erase annotations for source files with no
3273         coverage information.
3274         (read_line): New.
3275         (output_lines): Use it.
3276
3277 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3278
3279         * gimple.h (gimplify_body): Remove first argument.
3280         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3281         pointer set here, instead just pass DATA to walk_tree.
3282         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3283         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3284         (unvisit_body): Likewise, but with unmark_visited.
3285         (gimplify_body): Remove BODY_P argument and adjust.
3286         (gimplify_function_tree): Adjust call to gimplify_body.
3287         * omp-low.c (finalize_task_copyfn): Likewise.
3288
3289 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3290
3291         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3292         (build_function_type_skip_args): Delete.
3293         * tree.c (build_function_type_skip_args): Make static and add
3294         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3295         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3296         pass it to build_function_type_skip_args.
3297         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3298         (tree_function_versioning): Likewise.
3299         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3300         build_function_decl_skip_args.
3301         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3302         and pass it to build_function_decl_skip_args/tree_function_versioning.
3303         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3304         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3305         * trans-mem.c (ipa_tm_create_version): Likewise.
3306         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3307         * tree-inline.c (declare_return_variable): Remove always-true test.
3308         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3309         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3310         * ipa-split.c (split_function): Skip the return value for the split
3311         part if it doesn't return.
3312
3313 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3314
3315         PR tree-optimization/49642
3316         * ipa-split.c (forbidden_dominators): New variable.
3317         (check_forbidden_calls): New function.
3318         (dominated_by_forbidden): Likewise.
3319         (consider_split): Check for forbidden dominators.
3320         (execute_split_functions): Initialize and free forbidden
3321         dominators info; call check_forbidden_calls.
3322
3323 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3324
3325         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3326
3327 2012-01-11  Nick Clifton  <nickc@redhat.com>
3328
3329         * config/rx/rx.md (return): Define pattern.
3330
3331 2012-01-11  Richard Guenther  <rguenther@suse.de>
3332
3333         * doc/extend.texi (malloc attribute): Adjust according to
3334         implementation.
3335
3336 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3337             Patrick Marlier  <patrick.marlier@gmail.com>
3338
3339         PR middle-end/51516
3340         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3341         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3342         (ipa_tm_note_irrevocable): Same.
3343         (ipa_tm_scan_irr_block): Same.
3344         (ipa_tm_decrement_clone_counts): Same.
3345         (ipa_tm_scan_irr_function): Same.
3346         (ipa_tm_create_version_alias): Same.
3347         (ipa_tm_create_version): Same.
3348         (ipa_tm_transform_calls_redirect): Same.
3349         (ipa_tm_transform_calls): Same.
3350         (ipa_tm_transform_transaction): Same.
3351         (ipa_tm_execute): Same.
3352
3353 2012-01-10  Richard Guenther  <rguenther@suse.de>
3354
3355         PR middle-end/51806
3356         * opts.c (common_handle_option): Handle -Werror.
3357
3358 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3359
3360         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3361         operand number.
3362
3363 2012-01-10  Jason Merrill  <jason@redhat.com>
3364
3365         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3366         information.
3367
3368 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3369
3370         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3371         supports R_386_TLS_GD_PLT reloc.
3372         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3373         supports R_386_TLS_LDM_PLT reloc.
3374         * configure: Regenerate.
3375         * config.in: Regenerate.
3376
3377 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3378
3379         PR target/49868
3380         Extend __pgmx semantics to linearize memory.
3381         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3382         determine if code comes inline or from libgcc.
3383         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3384         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3385         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3386         (movmemx_qi, movmemx_hi): New insns.
3387         (xload_<mode>_libgcc): Rewrite to new insn condition.
3388         (xload_<mode>): Remove insns.
3389         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3390         cases that don't satisfy avr_xload_libgcc_p().
3391         (avr_addr_space_convert): Allow converting in any direction.
3392         (avr_addr_space_subset_p): Return always true.
3393         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3394         (avr_emit_movmemhi): Ditto.
3395         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3396         (avr_out_movmem): Ditto.
3397         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3398         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3399         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3400         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3401         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3402
3403 2012-01-10  Richard Guenther  <rguenther@suse.de>
3404
3405         PR tree-optimization/50913
3406         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3407         Require data-refs to be representable by Graphite with respect
3408         to any loop nest.
3409
3410 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3411
3412         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3413         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3414
3415 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3416
3417         PR rtl-optimization/51271
3418         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3419         handling annulled branch.
3420
3421 2012-01-10  Richard Henderson  <rth@redhat.com>
3422
3423         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3424         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3425         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3426         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3427         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3428         arm_expand_vec_perm_const): New.
3429         * config/arm/arm-protos.h: Update.
3430         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3431         (*neon_vswp<VDQX>): New.
3432         (neon_vcombine<VDX>): Use neon_split_vcombine.
3433         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3434         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3435         (vec_perm<VE>): New.
3436
3437 2012-01-10  Richard Henderson  <rth@redhat.com>
3438
3439         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3440         use it if reload_completed.
3441         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3442         arm_output_asm_insn, arm_process_output_memory_barrier,
3443         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3444         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3445         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3446         arm_process_output_sync_insn, arm_output_sync_insn,
3447         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3448         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3449         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3450         (emit_unlikely_jump): New.
3451         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3452         (arm_split_atomic_op): New.
3453         * config/arm/arm-protos.h: Update.
3454         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3455         (struct arm_sync_generator): Remove.
3456         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3457         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3458         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3459         (VUNSPEC_LL, VUNSPEC_SC): New.
3460         (sync_result, sync_memory, sync_required_value, sync_new_value,
3461         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3462         (attr length): Don't use arm_sync_loop_insns.
3463         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3464         (movsfcc, movdfcc): Likewise.
3465         * config/arm/constraints.md (Ua): New.
3466         * config/arm/prediates.md (mem_noofs_operand): New.
3467         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3468         (sync_clobber, sync_t2_reqd): Remove.
3469         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3470         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3471         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3472         (arm_sync_compare_and_swap<SIDI>): Remove.
3473         (arm_sync_compare_and_swap<NARROW>): Remove.
3474         (arm_sync_lock_test_and_set<SIDI>): Remove.
3475         (arm_sync_lock_test_and_set<NARROW>): Remove.
3476         (arm_sync_new_<syncop><SIDI>): Remove.
3477         (arm_sync_new_<syncop><NARROW>): Remove.
3478         (arm_sync_new_nand<SIDI>): Remove.
3479         (arm_sync_new_nand<NARROW>): Remove.
3480         (arm_sync_old_<syncop><SIDI>): Remove.
3481         (arm_sync_old_<syncop><NARROW>): Remove.
3482         (arm_sync_old_nand<SIDI>): Remove.
3483         (arm_sync_old_nand<NARROW>): Remove.
3484         (*memory_barrier): Merge arm_output_memory_barrier.
3485         (atomic_compare_and_swap<QHSD>): New.
3486         (atomic_compare_and_swap<NARROW>_1): New.
3487         (atomic_compare_and_swap<SIDI>_1): New.
3488         (atomic_exchange<QHSD>): New.
3489         (cas_cmp_operand, cas_cmp_str): New.
3490         (atomic_op_operand, atomic_op_str): New.
3491         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3492         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3493         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3494         (arm_load_exclusive<NARROW>): New.
3495         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3496         (arm_store_exclusive<QHSD>): New.
3497
3498 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3499
3500         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3501         reload patterns if -mvsx-scalar-memory.
3502
3503         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3504         generated, even -mno-vsx-scalar-double was used.
3505         (vsx_xscvdpsp_scalar): Likewise.
3506         (vsx_xscvspdp_scalar2): Likewise.
3507
3508 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3509             Andrew Pinski  <apinski@cavium.com>
3510
3511         PR debug/51471
3512         * reorg.c (fill_slots_from_thread): Don't speculate
3513         frame-related insns.
3514
3515 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3516
3517         * sched-int.h (bb_note): Move to...
3518         * basic-block.h: ...here.
3519         * haifa-sched.c (bb_note): Move to...
3520         * cfgrtl.c: ...here.
3521         * function.c (next_block_for_reg): New function.
3522         (move_insn_for_shrink_wrap): Likewise.
3523         (prepare_shrink_wrap): Rewrite to use the above.
3524
3525 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3526
3527         * gimple.c (is_gimple_non_addressable): Remove.
3528         * gimple.h: Remove is_gimple_non_addressable.
3529         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3530         is_gimple_non_addressable.
3531         * trans-mem.c (expand_assign_tm): Same.
3532
3533 2012-01-09  Richard Guenther  <rguenther@suse.de>
3534
3535         PR tree-optimization/51775
3536         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3537         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3538
3539 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3540
3541         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3542         tuning parameters.
3543         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3544
3545 2012-01-09  Richard Guenther  <rguenther@suse.de>
3546
3547         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3548
3549 2012-01-08  Jan Hubicka  <jh@suse.cz>
3550
3551         PR tree-optimize/51680
3552         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3553         on when known_vals needs to be computed; cleanup.
3554
3555 2012-01-08  Jan Hubicka  <jh@suse.cz>
3556
3557         PR tree-optimize/51694
3558         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3559
3560 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3561
3562         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3563         for -std=c++98 and -std=c++11 too.
3564
3565 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3566
3567         * cfgloop.c (cancel_loop): Add free() of bbs array.
3568
3569 2012-01-07  Jan Hubicka  <jh@suse.cz>
3570
3571         PR tree-optimization/51600
3572         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3573         that benefits small functions.
3574
3575 2012-01-07  Jan Hubicka  <jh@suse.cz>
3576
3577         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3578
3579 2012-01-07  Jan Hubicka  <jh@suse.cz>
3580
3581         PR tree-optimization/51680
3582         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3583         whose inlining reduce unit size.
3584
3585 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3586
3587         PR bootstrap/51725
3588         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3589         Add canonical node to containing_mem chain after the non-canonical
3590         one, even if there weren't any locs to propagate.
3591         (remove_useless_values): Keep only canonical values.
3592         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3593         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3594         canonicalize mem_chain elements that are not discarded.
3595
3596 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3597
3598         PR target/47333
3599         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3600         before emitting functions.
3601
3602         PR gcov-profile/50127
3603         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3604         clear_aux_for_blocks.
3605
3606 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3607
3608         PR debug/51746
3609         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3610
3611 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3612
3613         * c-decl.c (ext_block): Moved up.
3614         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3615
3616 2012-01-06  Han Shen  <shenhan@google.com>
3617
3618         Translate built-in include paths for sysroot.
3619         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3620         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3621
3622         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3623         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3624
3625         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3626         control whether sysroot should be prepended to gxx include dir.
3627
3628         * configure: Regenerate.
3629
3630 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3631
3632         PR rtl-optimization/51771
3633         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3634         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3635
3636 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3637
3638         PR tree-optimization/51315
3639         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3640         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3641
3642 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3643
3644         PR target/51681
3645         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3646         for shrp pattern.  Correctly handle and fixup shift variable.
3647         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3648
3649 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR debug/51762
3652         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3653         note when !ACCUMULATE_OUTGOING_ARGS.
3654
3655 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3656
3657         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3658         condition.
3659         (extract_range_from_unary_expr_1): Avoid useless computations.
3660
3661 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3662
3663         PR rtl-optimization/51767
3664         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3665         of jump_block and add an extra edge for degenerated asm gotos.
3666
3667         PR middle-end/51768
3668         * stmt.c (check_unique_operand_names): Don't ICE during error
3669         reporting if i is from labels chain.
3670
3671         PR middle-end/44777
3672         * profile.c (branch_prob): Split bbs that have exit edge
3673         and need a fake entry edge too.
3674
3675 2012-01-05  Jan Hubicka  <jh@suse.cz>
3676
3677         PR middle-end/49710
3678         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3679         unlooping loops.
3680
3681 2012-01-05  Richard Guenther  <rguenther@suse.de>
3682
3683         PR lto/50490
3684         * tree-streamer-out.c (write_ts_optimization): New function.
3685         (streamer_write_tree_body): Call it.
3686         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3687         (streamer_read_tree_body): Call it.
3688         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3689
3690 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3691
3692         PR middle-end/51761
3693         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3694         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3695         in_cleanup_point_expr before gimplify_stmt call and restore it
3696         afterwards.
3697         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3698         in_cleanup_point_expr is false.
3699
3700 2012-01-05  Richard Guenther  <rguenther@suse.de>
3701
3702         PR middle-end/51764
3703         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3704         to c.opt.
3705         * toplev.c (process_options): Reject combining mudflap and LTO.
3706         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3707
3708 2012-01-05  Richard Guenther  <rguenther@suse.de>
3709
3710         PR tree-optimization/51760
3711         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3712         not VARYING.
3713         (bit_value_unop): Handle UNDEFINED operands.
3714         (bit_value_binop): Likewise.
3715
3716 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3717
3718         * config/avr/avr.c (avr_replace_prefix): Remove.
3719         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3720         (avr_asm_function_rodata_section): Ditto.
3721         (avr_asm_select_section): Ditto.
3722
3723 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3724
3725         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3726         insertion.
3727
3728 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3729
3730         PR bootstrap/51648
3731         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3732         calls that have any non-fake successor edges.
3733
3734         PR debug/51746
3735         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3736
3737 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3738
3739         PR tree-optimization/51624
3740         * tree-sra.c (build_ref_for_model): When replicating a chain of
3741         COMPONENT_REFs, stop as soon as the offset would become negative.
3742
3743 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3744
3745         PR debug/51695
3746         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3747         in .debug_loc on the floor.
3748
3749 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3750
3751         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3752
3753 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3754             Adam Nemet  <anemet@caviumnetworks.com>
3755
3756         * config/mips/mips.md (size): Add SI and DI.
3757         (SIZE): New mode attribute.
3758         (U): New code attribute.
3759         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3760         (mips_lbux_<mode>): Delete.
3761         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3762         (mips_lhx): Use gen_mips_lhx_extsi.
3763         (mips_lhx_<mode>): Delete.
3764         (mips_lwx): Delete.
3765         (mips_l<size>x): New expand.
3766         (mips_lwx_<mode>): Delete.
3767         (mips_l<GPR:size>x_<P:mode>): New pattern.
3768         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3769         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3770         * config/mips/mips.c (mips_lx_address_p): New function.
3771         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3772         (dsp64): New availability predicate.
3773         (mips_builtins): Add an entry for __builtin_mips_ldx.
3774         * config/mips/mips.h (ISA_HAS_LBX): New define.
3775         (ISA_HAS_LBUX): Likewise.
3776         (ISA_HAS_LHX): Likewise.
3777         (ISA_HAS_LHUX): Likewise.
3778         (ISA_HAS_LWX): Likewise.
3779         (ISA_HAS_LWUX): Likewise.
3780         (ISA_HAS_LDX): Likewise.
3781         * doc/extend.texi (__builtin_mips_ldx): Document.
3782
3783 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3784
3785         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3786         when long pointers are used.
3787         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3788         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3789         (ia64-hp-*vms*): Remove.
3790         * config/vms/xm-vms64.h: Delete.
3791
3792 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3793
3794         PR middle-end/51472
3795         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3796
3797 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3798
3799         * opts.c (finish_options): Remove duplicate sorry.
3800
3801 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3802
3803         PR middle-end/51696
3804         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3805         correctly.
3806
3807 2012-01-04  Richard Guenther  <rguenther@suse.de>
3808
3809         PR middle-end/51750
3810         * tree.c (size_low_cst): New function.
3811         * tree.h (size_low_cst): Declare.
3812         * fold-const.c (fold_comparison): Use it to extract the low
3813         part of the POINTER_PLUS_EXPR offset.
3814
3815 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3816
3817         Fix clearing ZERO_REG
3818         * config/avr/avr.md (cc): Add alternative "ldi".
3819         (movqi_insn): Use it in cc attribute.
3820         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3821         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3822         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3823
3824 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3825
3826         * configure: Regenerate.
3827
3828 2012-01-04  Richard Guenther  <rguenther@suse.de>
3829
3830         PR tree-optimization/49651
3831         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3832         (var_can_have_subvars): Use it.
3833         (get_constraint_for_1): Only consider subfields if there can be any.
3834
3835 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3836
3837         PR bootstrap/51725
3838         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3839         to its new canonical_cselib_val and the cselib_val was in
3840         first_containing_mem chain, but the canonical_cselib_val was not,
3841         add the latter into the chain.
3842         (cselib_invalidate_mem): Compare canonical_cselib_val of
3843         addr_list chain elt with v.
3844
3845         PR pch/51722
3846         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3847         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3848         of xstrdup.
3849         (output_macinfo_op): Don't ggc_strdup fd->filename.
3850         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3851         then ggc_strdup it.  Don't free inc->info or cur->info.
3852         (output_macinfo): Don't free ref->info or file->info.
3853
3854 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3855
3856         PR tree-optimization/51269
3857         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3858         first_niters a pointer.
3859         (slpeel_tree_peel_loop_to_edge): Likewise.
3860         (vect_do_peeling_for_loop_bound): Update call to
3861         slpeel_tree_peel_loop_to_edge.
3862         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3863         here.  Remove it from the parameters list.
3864         (vect_do_peeling_for_alignment): Update calls and compute
3865         wide_prolog_niters.
3866
3867 2012-01-03  Richard Guenther  <rguenther@suse.de>
3868
3869         PR tree-optimization/51070
3870         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3871         Properly handle calls.
3872
3873 2012-01-03  Richard Guenther  <rguenther@suse.de>
3874
3875         PR tree-optimization/51692
3876         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3877         the LHS of allocation stmts.
3878
3879 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3880
3881         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3882
3883 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3884
3885         * collect2.c (main): In AIX specific computations for vector
3886         insertions, use CONST_CAST2 to cast from char ** to const char **.
3887
3888 2012-01-03  Richard Guenther  <rguenther@suse.de>
3889
3890         PR debug/51650
3891         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3892         the context of a limbo DIE when it does not already exist.
3893
3894 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3895
3896         PR tree-optimization/51719
3897         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3898         but direct call is, clear direct call's lhs and don't add fallthrough
3899         edge from dcall_bb to join_bb and PHIs.
3900
3901 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3902
3903         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3904         the instructions emitted by the pattern.
3905         ("*TDC_insn_<mode>"): Add comment.
3906
3907 2012-01-03  Richard Guenther  <rguenther@suse.de>
3908
3909         PR middle-end/51730
3910         * fold-const.c (fold_comparison): Properly canonicalize
3911         tree offset and HOST_WIDE_INT bit position.
3912
3913 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3914
3915         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3916         operands for extzv pattern.
3917
3918 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3919
3920         PR bootstrap/51725
3921         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3922         on mem_elt first.
3923
3924 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3925
3926         * doc/invoke.texi (-flto and related options): Copy-edit.
3927
3928 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3929
3930         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3931
3932 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3933
3934         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3935         New patterns.
3936
3937 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3938
3939         * expr.h (move_by_pieces_ninsns): Declare.
3940         * expr.c (move_by_pieces_ninsns): Make external.
3941         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3942         (mips_store_by_pieces_p): Likewise.
3943         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3944         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3945         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3946         (mips_store_by_pieces_p): Likewise.
3947
3948 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3949
3950         * passes.c (register_one_dump_file): Free full_name.
3951
3952         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3953         (calculate_elim_costs_all_insns): Free offsets_at and
3954         offsets_known_at at the end and clear the pointers.
3955
3956 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3957
3958         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3959         this option introduced in r180739.
3960
3961 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3962
3963         PR target/51345
3964         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3965         (tmake_file target=avr): Add avr/t-multilib.
3966
3967         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3968         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3969         * config/avr/genmultilib.awk: New file.
3970         * config/avr/t-multilib: New auto-generated file.
3971         * config/avr/multilib.h: New auto-generated file.
3972         * config/avr/t-avr (AVR_MCUS): New variable.
3973         (genopt.sh): Use it.
3974         (s-mlib): Depend on t-multilib.
3975         (t-multilib, multilib.h): New dependencies.
3976         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3977         (MULTILIB_OPTIONS): Remove.
3978         (MULTILIB_MATCHES): Remove.
3979         (MULTILIB_DIRNAMES): Remove.
3980         (MULTILIB_EXCEPTIONS): Remove:
3981         * config/avr/genopt.sh: Don't use hard coded file name;
3982         pass AVR_MCUS from t-avr instead.
3983
3984 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3985
3986         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3987
3988 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3989
3990         Implement light-weight DImode support.
3991         * config/avr/avr-dimode.md: New file.
3992         * config/avr/avr.md: Include it.
3993         (adjust_len): Add plus64, compare64.
3994         (HIDI): Remove code iterator.
3995         (code_stdname): New code attribute.
3996         (rotx, rotsmode): Remove DI.
3997         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3998         as code iterator.
3999         * config/avr/avr-protos.h (avr_have_dimode): New.
4000         (avr_out_plus64, avr_out_compare64): New.
4001         * config/avr/avr.c (avr_out_compare): Handle DImode.
4002         (avr_have_dimode): New variable definition and initialization.
4003         (avr_out_compare64, avr_out_plus64): New functions.
4004         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4005         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4006         (avr_compare_pattern): Skip DImode comparisons.
4007
4008 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4009
4010         * ddg.c (def_has_ccmode_p): New function.
4011         (add_cross_iteration_register_deps,
4012         create_ddg_dep_from_intra_loop_link): Call it.
4013
4014 2012-01-02  Richard Guenther  <rguenther@suse.de>
4015
4016         PR other/51679
4017         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4018
4019 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4020
4021         * gcc.c (process_command): Update copyright notice dates.
4022         * gcov.c (print_version): Likewise.
4023         * gcov-dump.c (print_version): Likewise.
4024         * mips-tfile.c (main): Likewise.
4025         * mips-tdump.c (main): Likewise.
4026
4027 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4028
4029         PR tree-optimization/51704
4030         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4031         a use is inside the basic block or loop before accessing its vect info.
4032
4033 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4034
4035         PR rtl-optimization/51069
4036         * cfgloopmanip.c (remove_path): Removing path making irreducible
4037         region unconditional makes BB part of the region.
4038
4039 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4040
4041         PR tree-optimization/51683
4042         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4043         calls with side-effects.
4044         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4045 \f
4046 Copyright (C) 2012 Free Software Foundation, Inc.
4047
4048 Copying and distribution of this file, with or without modification,
4049 are permitted in any medium without royalty provided the copyright
4050 notice and this notice are preserved.