OSDN Git Service

0c230a3c1d4479b3a64548dc39a1debb1db6d6cb
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
2
3         Backport from 2012-04-24 mainline r186768.
4
5         PR target/53065
6         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
7
8 2012-04-24  Richard Guenther  <rguenther@suse.de>
9
10         PR tree-optimization/53085
11         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
12         stores.
13
14 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
15
16         PR middle-end/53084
17         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
18         of MEM_REF.
19         (output_addressed_constants): Likewise.
20
21         PR middle-end/52999
22         * varasm.c (get_section): Don't ICE for section conflicts with
23         built-in section kinds.
24
25 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
26
27         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
28
29 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
30
31         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
32
33 2012-04-23  Richard Guenther  <rguenther@suse.de>
34
35         PR c/53060
36         * c-typeck.c (build_binary_op): Fix typo.
37
38 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
39
40         PR tree-optimizations/52891
41         * tree-vect-patterns.c (adjust_bool_pattern): Use
42         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
43         but with non-standard precision.
44
45 2012-04-22  Ian Lance Taylor  <iant@google.com>
46
47         * godump.c (go_output_typedef): Dump size of structs.
48
49 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
50
51         Backport from mainline:
52
53         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
54         hints for 'A' operand types.
55
56 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
57
58         Backport from 2012-04-19 mainline r186588.
59
60         PR target/53033
61         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
62         the case *(X+const).
63
64 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
65
66         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
67
68 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
69
70         PR target/53020
71         * config/i386/sync.md (atomic_<code><mode>): Rename to
72         atomic_<logic><mode>.
73
74 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
75
76         Backport from mainline
77         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
78
79         PR target/52932
80         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
81         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
82         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
83         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
84         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
85         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
86         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
87         gen_avx2_permvarv8sf.
88
89 2012-04-16  Martin Jambor  <mjambor@suse.cz>
90
91         Backported from mainline
92
93         2012-04-13  Martin Jambor  <mjambor@suse.cz>
94         PR middle-end/52939
95
96         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
97         fold_ctor_reference returns a zero constant.
98
99 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
100
101         Backported from mainline
102         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
103
104         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
105         and __ILP32__ for x32.
106
107 2012-04-13  Tom de Vries  <tom@codesourcery.com>
108
109         Backport from mainline r186418.
110
111         2012-04-13  Tom de Vries  <tom@codesourcery.com>
112
113         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
114         parameters vuse and vuse_escaped.
115         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
116         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
117         vuse1 != vuse2.
118
119 2012-04-13  Richard Guenther  <rguenther@suse.de>
120
121         PR tree-optimization/52969
122         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
123         the condition for the COND_EXPR and handle predicate negation
124         by swapping the COND_EXPR arms.
125
126 2012-04-13  Richard Guenther  <rguenther@suse.de>
127
128         PR c/52862
129         * convert.c (convert_to_pointer): Remove special-casing of
130         zero.
131
132 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
133
134         Backport from mainline
135         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
136
137         PR target/52775
138         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
139         the list of options to enable the FCFID instruction.
140         (TARGET_EXTRA_BUILTINS): Adjust comment.
141
142 2012-04-12  Richard Guenther  <rguenther@suse.de>
143
144         PR tree-optimization/52943
145         * tree-chrec.h (chrec_is_positive): Remove.
146         * tree-scalar-evolution.c (chrec_is_positive): Move ...
147         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
148         Return false for a constant zero instead of negative.
149         (analyze_siv_subscript_cst_affine): Handle zero difference
150         in the initial condition explicitely.
151
152 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
153
154         PR middle-end/52894
155         * varasm.c (process_pending_assemble_externals): Set
156         pending_assemble_externals_processed true.
157         (assemble_external): Call assemble_external_real if the pending
158         assemble externals have been processed.
159
160 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
161
162         PR target/52717
163         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
164         the DECL generated for the special GOT helper.
165
166 2012-04-06  Walter Lee  <walt@tilera.com>
167
168         Backport from mainline
169         2012-03-07  Walter Lee  <walt@tilera.com>
170
171         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
172         REG_CFA_* notes for the stack pointer.
173         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
174         EH_RETURN_STACKADJ_RTX.
175         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
176         generate REG_CFA_* notes for the stack pointer.
177         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
178         by EH_RETURN_STACKADJ_RTX.
179
180 2012-04-06  Matt Turner  <mattst88@gmail.com>
181
182         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
183
184 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
185
186         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
187         of the destination isn't also a FP_REGS register.
188
189 2012-04-03  Richard Guenther  <rguenther@suse.de>
190
191         Backport from mainline
192         2012-03-02  Richard Guenther  <rguenther@suse.de>
193
194         PR tree-optimization/52406
195         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
196         (struct indices): Add unconstrained_base member.
197         (struct dr_alias): Remove unused vops member.
198         (DR_UNCONSTRAINED_BASE): New define.
199         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
200         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
201         be an artificial access that covers the whole indexed object,
202         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
203         plain decl base-objects to their MEM_REF variant.
204         (dr_may_alias_p): When the base-object of either data reference
205         has unknown size use only points-to information.
206         (compute_affine_dependence): Make dumps easier to read and
207         more verbose.
208         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
209         DR_REF when looking for packed references.
210         (vect_supportable_dr_alignment): Likewise.
211
212 2012-04-03  Richard Guenther  <rguenther@suse.de>
213
214         Backport from mainline
215         2012-03-15  Richard Guenther  <rguenther@suse.de>
216
217         PR middle-end/52580
218         * tree-data-ref.c (subscript_dependence_tester_1): Check
219         all dimensions for non-conflicting access functions.
220
221 2012-04-03  Richard Guenther  <rguenther@suse.de>
222
223         Backport from mainline
224         2012-03-06  Richard Guenther  <rguenther@suse.de>
225
226         PR middle-end/52493
227         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
228
229         2012-03-23  Richard Guenther  <rguenther@suse.de>
230
231         PR tree-optimization/52678
232         * tree-vectorizer.h (struct _stmt_vec_info): Add
233         loop_phi_evolution_part member.
234         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
235         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
236         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
237         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
238         Use the cached evolution part and the PHI nodes value from
239         the loop preheader edge instead of re-analyzing the evolution.
240
241         2012-03-26  Richard Guenther  <rguenther@suse.de>
242
243         PR tree-optimization/52701
244         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
245         compute and set the evolution part of PHI nodes.
246
247         2012-03-30  Richard Guenther  <rguenther@suse.de>
248
249         PR tree-optimization/52754
250         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
251         propagate arbitrary addresses into really plain dereferences.
252
253 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
254
255         PR tree-optimization/52835
256         * tree-data-ref.c (build_rdg): Return NULL if
257         compute_data_dependences_for_loop failed.
258
259 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
260
261         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
262         (stmt_can_make_abnormal_goto): Use it.
263         (is_ctrl_altering_stmt): Likewise.
264
265 2012-03-31  Martin Jambor  <mjambor@suse.cz>
266
267         Backported from mainline
268         2012-03-30  Martin Jambor  <mjambor@suse.cz>
269
270         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
271         is a builtin_stack_save in a dominating BB.
272
273 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
274
275         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
276         crossing 128bit lane boundary.
277
278 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
279
280         Backported from mainline
281         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
282
283         PR target/52698
284         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
285         New prototype.
286         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
287         * config/i386/i386.c: Include reload.h.
288         (ix86_legitimize_reload_address): New function.
289
290 2012-03-28  Martin Jambor  <mjambor@suse.cz>
291
292         Backported from mainline
293         2012-03-27  Martin Jambor  <mjambor@suse.cz>
294
295         PR middle-end/52693
296         * tree-sra.c (sra_modify_assign): Do not call
297         load_assign_lhs_subreplacements when working with an unscalarizable
298         region.
299
300 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
301
302         PR middle-end/52691
303         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
304         __builtin_va_start to __builtin_next_arg if the latter is
305         builtin_decl_explicit_p rather than when it is not.
306
307         PR middle-end/52750
308         * tree-vect-generic.c (vector_element): Perform multiplication
309         for pos in bitsizetype type instead of idx type.
310
311 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
312
313         Backport from 2012-03-28 mainline r185910.
314
315         PR target/52692
316         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
317         (avr_builtin_decl): New static function.
318         (struct avr_builtin_description, avr_bdesc): Move up.
319         Add GTY marker. Add field fndecl. Remove redundant field id.
320         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
321         (avr_expand_builtin): Code cleanup because .id is removed.
322
323 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
324
325         PR middle-end/51893
326         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
327         targets.
328
329 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
330
331         Backport from 2012-03-28 mainline r185907.
332
333         PR target/52737
334         * config.gcc (tm_file): Remove avr/multilib.h.
335
336         * doc/invoke.texi (AVR Options): Adjust
337         documentation of -mtiny-stack.
338
339         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
340         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
341         * config/avr/t-avr: Remove generation of multilib.h.
342         * config/avr/t-multilib: Regenerate.
343         * config/avr/multilib.h: Remove.
344         * config/avr/avr.opt (-msp8): New option.
345         (avr_sp8): New variable.
346         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
347         * config/avr/avr.h (AVR_HAVE_SPH): New define.
348         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
349         (avr_device_to_sp8): New prototype.
350         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
351         (DRIVER_SELF_SPECS): New define.
352         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
353         __AVR_SP8__, __AVR_HAVE_SPH__.
354         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
355         AVR_HAVE_8BIT_SP to decide if SP_H is present.
356         (avr_file_start): Ditto.
357
358 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
359
360         PR target/52736
361         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
362         instead of 8 in adjust_address.
363
364 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
365
366         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
367         of a unit before computing the offset in units.
368
369 2012-03-27  Richard Guenther  <rguenther@suse.de>
370
371         PR middle-end/52720
372         * fold-const.c (try_move_mult_to_index): Handle &x.array more
373         explicitely.
374
375 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
376
377         PR target/52610
378         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
379
380 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
381
382         PR middle-end/52640
383         * varasm.c: Include pointer-set.h.
384         (pending_assemble_externals_set): New pointer set.
385         (process_pending_assemble_externals): Destroy the pointer set.
386         (assemble_external): See if decl is in pending_assemble_externals_set,
387         and add it to pending_assemble_externals if necessary.
388         (init_varasm_once): Allocate pending_assemble_externals_set.
389
390 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
391
392         Backported from mainline
393         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
394
395         PR target/50310
396         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
397         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
398         (vector_ltgt<mode>): Likewise.
399         (vector_ordered<mode>): Likewise.
400         (vector_unordered<mode>): Likewise.
401         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
402
403 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
404
405         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
406         Make static.
407
408 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
409
410         Backported from mainline
411         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
412
413         PR target/48596
414         PR target/48806
415         * config/sh/sh.c (sh_register_move_cost): Increase cost between
416         GENERAL_REGS and FP_REGS for SImode.
417
418 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
419
420         PR middle-end/52547
421         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
422         on any new_local_var_chain vars declared during recursing on
423         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
424
425 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
426
427         Backport from 2012-03-22 mainline r185692.
428
429         PR target/52496
430         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
431         (unspecv): Add UNSPECV_MEMORY_BARRIER.
432         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
433         (delay_cycles_1, delay_cycles_2): Ditto.
434         (delay_cycles_3, delay_cycles_4): Ditto.
435         (nopv, *nopv): Ditto.
436         (sleep, *sleep): Ditto.
437         (wdr, *wdr): Ditto.
438
439         Backport from 2012-03-21 mainline r185605.
440
441         PR rtl-optimization/52543
442         PR target/52461
443         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
444         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
445         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
446         (avr_load_libgcc_p): Restrict to __flash loads.
447         (avr_out_lpm): Only handle 1-byte loads from __flash.
448         (avr_load_lpm): New function.
449         (avr_find_unused_d_reg): Remove.
450         (avr_out_lpm_no_lpmx): Remove.
451         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
452         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
453         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
454         (load_<mode>, load_<mode>_clobber): New insns.
455         (mov<mode>): For multi-byte move from non-generic
456         16-bit address spaces: Expand to load_<mode> resp.
457         load_<mode>_clobber.
458         (load<mode>_libgcc): Remove expander.
459         (split-lpmx): Remove split.
460
461         Backport from 2012-03-13 mainline r185329.
462
463         PR target/52488
464         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
465         offset (size) to a value the insns can deal with.
466         (expand_epilogue): Ditto.
467
468         Backport from 2012-03-12 mainline r185256.
469
470         PR target/52499
471         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
472         type from reg_class_t to enum reg_class.
473         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
474
475         Backport from 2012-03-12 mainline r185253.
476
477         PR target/52148
478         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
479         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
480         r184615 from 2012-02-28.
481
482         Backport from 2012-03-08 mainline r185105.
483
484         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
485         for constants in [-63,63].
486
487         Backport from 2012-03-08 mainline r185100.
488
489         PR target/52496
490         * config/avr/avr.c (avr_mem_clobber): New static function.
491         (avr_expand_delay_cycles): Add memory clobber operand to
492         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
493         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
494         (enable_interrupt, disable_interrupt): New expander.
495         (nopv, sleep, wdr): New expanders.
496         (delay_cycles_1): Add memory clobber.
497         (delay_cycles_2): Add memory clobber.
498         (delay_cycles_3): Add memory clobber.
499         (delay_cycles_4): Add memory clobber.
500         (cli_sei): New insn from former "enable_interrupt",
501         "disable_interrupt" with memory clobber.
502         (*wdt): New insn from former "wdt" with memory clobber.
503         (*nopv): Similar, but for "nopv".
504         (*sleep): Similar, but for "sleep".
505
506         Backport from 2012-03-07 mainline r185043.
507
508         PR target/52484
509         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
510
511         Backport from 2012-03-07 mainline r185032.
512
513         PR target/52506
514         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
515         to: RAMPZ, RAMPY, RAMPX, RAMPD.
516         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
517
518         Backport from 2012-03-07 mainline r185031.
519
520         PR target/52505
521         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
522         from RAM.
523         * config/avr/avr.md (xload_8): Adjust insn length.
524
525         Backport from 2012-03-07 mainline r185030.
526
527         PR target/52461
528         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
529         if RAMPZ affects reading from RAM.
530
531         Backport from 2012-03-05 mainline r184919.
532
533         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
534
535 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
536
537         Backport from mainline r185259.
538
539         PR other/52545
540         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
541         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
542
543 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
544
545         Backported from mainline
546         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
547
548         PR c/52577
549         * c-parser.c (c_parser_postfix_expression)
550         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
551
552         * config/i386/smmintrin.h: Avoid /* within a comment.
553         * config/i386/nmmintrin.h: Likewise.
554
555 2012-03-22  Richard Guenther  <rguenther@suse.de>
556
557         * BASE-VER: Set to 4.7.1.
558         * DEV-PHASE: Set to prerelease.
559
560 2012-03-22  Release Manager
561
562         * GCC 4.7.0 released.
563
564 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
565
566         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
567
568 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
569             Andrew Pinski  <apinski@cavium.com>
570
571         PR middle-end/52592
572         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
573         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
574         calls instead of __builtin_ir{int,ound}*.
575
576 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
577
578         PR c++/52582
579         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
580         if c_node is NULL.
581
582 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
583
584         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
585         Refer to GCC 4.7 version of c99status.html.
586
587 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
588
589         Backport from mainline
590         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
591
592         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
593         redefine to be NULL if the current bit-size is different from the
594         configured bit-size.
595
596         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
597         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
598         set the default tuning.  Add asserts to make sure the cpu and tune
599         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
600         test whether the index is set, instead of > 0.
601         (rs6000_file_start): Do not reset the default cpu if the current
602         bit-size is different from the configured bit-size.
603
604 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
605
606         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
607         binutils reference.
608         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
609         Update binutils references.
610         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
611         Update binutils reference.
612         Update Sun as/GNU ld caveat.
613         Document binutils largefile requirement for LTO plugin.
614         Remove reference to alternate libpthread.
615
616 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
617
618         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
619         reference.
620         (Specific, mips-sgi-irix6): Likewise.
621
622 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
623
624         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
625         * configure: Regenerate.
626
627 2012-03-07  Richard Henderson  <rth@redhat.com>
628
629         * config/m68k/m68k.h (ISA_HAS_TAS): New.
630         * config/m68k/sync.md (atomic_test_and_set): Use it.
631         (atomic_test_and_set_1): Likewise.
632
633 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
634
635         PR target/51417
636         * Makefile.in: Let install-gcc-ar depend on installdirs,
637         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
638         Don't double canonicalize if cross-compiling.
639
640 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
641
642         * trans-mem.c: New typedef for tm_region_p.
643         Define vector types for tm_region_p.
644         (tm_region_init): Replace region_worklist to a vector called
645         bb_regions.
646
647 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
648
649         PR middle-end/52463
650         * trans-mem.c (tm_region_init): Use last_basic_block.
651
652 2012-03-05  Richard Henderson  <rth@redhat.com>
653
654         PR tree-opt/52242
655         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
656         * omp-low.c (expand_omp_atomic): Assume anything aligned to
657         BIGGEST_ALIGNMENT is aligned.
658
659 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
660
661         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
662
663 2012-03-05  Richard Henderson  <rth@redhat.com>
664
665         PR target/52481
666         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
667         instead of calling negqi2 directly.
668
669 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
670
671         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
672         (INTMAX_TYPE): Use it.
673         (UINTMAX_TYPE): Likewise.
674         (SUBTARGET_OVERRIDE_OPTIONS): Define.
675         (irix6_c_common_override_options): Declare.
676         (C_COMMON_OVERRIDE_OPTIONS): Define.
677         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
678         * config/mips/irix6-c.c: New file.
679         * config/mips/t-irix6 (irix6-c.o): New target.
680         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
681         cxx_target_objs.
682
683 2012-03-02  Richard Henderson  <rth@redhat.com>
684
685         * optabs.c (expand_atomic_test_and_set): Honor
686         atomic_test_and_set_trueval even when atomic_test_and_set
687         optab is not in use.
688
689 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
690
691         Backport from mainline
692         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
693
694         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
695
696 2012-03-02  Richard Guenther  <rguenther@suse.de>
697
698         * DEV-PHASE: Set to prerelease.
699
700 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
701
702         * config.gcc (obsolete): Add all ARM targets using the FPA.
703         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
704         * doc/install.texi: Avoid references to obsolete ARM ports.
705
706 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
707
708         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
709
710 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
711             Joern Rennecke  <joern.rennecke@embecosm.com>
712
713         * doc/extend.texi: Expand and update information on interrupt
714         attribute for Epiphany.
715
716 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
717
718         * config/sh/sh-protos.h: Update copyright notice dates.
719         * config/sh/sh.h: Likewise.
720         * config/sh/sh.md: Likewise.
721         * config/sh/constraints.md: Likewise.
722         * config/sh/predicates.md: Likewise.
723
724 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
725
726         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
727         * config/sh/sh.c (tertiary_reload_operand): Likewise.
728
729 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
730
731         * config/sh/constraints.md: Fix comment typo.
732
733 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
734
735         PR target/52408
736         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
737         unsigned HOST_WIDE_INT.
738         (zvdep_imm64): Likewise.
739         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
740         (vdepi_and): Likewise.
741         Likewise for unamed 64-bit patterns.
742         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
743
744 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
745
746         PR debug/52001
747         PR rtl-optimization/52417
748         * cselib.c (cselib_any_perm_equivs): New variable.
749         (cselib_reset_table): Check that it's not set when not
750         preserving constants.
751         (cselib_add_permanent_equiv): Set it.
752         (cselib_have_permanent_equivalences): New.
753         (cselib_init, cselib_finish): Reset it.
754         * cselib.h (cselib_have_permanent_equivalences): Declare.
755         * alias.c (get_addr): Restore earlier behavior when there
756         aren't permanent equivalences.
757
758 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
759
760         * config/mn10300/mn10300-modes.def: Fix copyright notice.
761         * config/v850/v850-modes.def: Fix copyright notice.
762
763 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
764
765         * doc/extend.texi (AVR Built-in Functions): Document
766         __builtin_avr_flash_segment.
767
768         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
769         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
770         (*split.flash_segment): New insn-and-split.
771         * config/avr/avr.c (avr_init_builtins): Add local variables:
772         const_memx_void_node, const_memx_ptr_type_node,
773         char_ftype_const_memx_ptr.
774
775 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
776
777         PR tree-optimization/52445
778         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
779         add ssa_name_ver, offset and size fields and change store field
780         to bool.
781         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
782         (add_or_mark_expr): Likewise.  Only consider previous stores
783         with the same size and offset.
784         (nt_init_block): Only look at gimple_assign_single_p stmts,
785         doesn't look at rhs2.
786
787 2012-03-01  Richard Guenther  <rguenther@suse.de>
788
789         PR middle-end/52443
790         * tree-cfg.c (verify_gimple_assign_unary): Allow any
791         conversions from integral types to pointer types.
792
793 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
794
795         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
796         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
797         unintentionally removed in r184616.
798
799 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
800
801         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
802         3DNow from bdver1.
803
804 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
805             Uros Bizjak  <ubizjak@gmail.com>
806
807         PR target/52437
808         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
809         alternatives, add "e" constraint to the new last alternative
810         and ! to last 3 alternatives.
811
812 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
813
814         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
815         DW_AT_artificial attributes at the end of the processing.
816         (gen_array_type_die): Likewise.
817         (gen_enumeration_type_die): Likewise.
818         (gen_struct_or_union_type_die): Likewise.
819         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
820         the parent type.
821
822 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
823
824         PR middle-end/52419
825         * expr.c (expand_assignment): If doing misaligned store that doesn't
826         cover all mode bits, perform a RMW cycle.
827
828         PR tree-optimization/52429
829         * tree-parloops.c (separate_decls_in_region_debug): Return early
830         if var is LABEL_DECL.
831
832 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
833
834         PR tree-optimization/52424
835         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
836         calling dom_thread_across_edge.
837
838 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
839
840         * config/avr/avr.c: Move definition of TARGET macros to end of file.
841
842 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
843
844         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
845         * config/avr/avr.c (avr_output_bld): Remove unused function.
846         (avr_out_sbxx_branch): Use "%T" to print bit position.
847
848 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
849
850         * config/avr/avr.md: Untabify.
851
852 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
853
854         * config/avr/avr.md (eqne): New code iterator.
855         (*dec-and-branchsi): Use it in text peephole's condition.
856         (*dec-and-branchhi): Ditto.
857         (*dec-and-branchqi): Ditto.
858
859 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
860
861         PR target/49939
862         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
863         the device does not have the skip-bug.
864
865 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
866
867         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
868         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
869         -mpretend-cmove): New.
870
871 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
872
873         PR bootstrap/52397
874         * df.h (struct df_d): Adjust comment that hard_regs_live_count
875         doesn't count DEBUG_INSN refs.
876         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
877         for DEBUG_INSN refs.
878
879 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
880
881         Partially revert:
882
883         2012-02-20  Richard Guenther  <rguenther@suse.de>
884         PR tree-optimization/52298
885         * tree-vect-stmts.c (vectorizable_load): Properly use
886         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
887         outer loops.
888
889 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
890
891         PR middle-end/51752
892         * gimple.h (gimple_in_transaction): New.
893         (gimple_set_in_transaction): New.
894         (struct gimple_statement_base): Add in_transaction field.
895         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
896         transaction loads.
897         (tree_ssa_lim_initialize): Compute transaction bits.
898         * tree.h (compute_transaction_bits): Protoize.
899         * trans-mem.c (tm_region_init): Use the heap to store BB
900         auxilliary data.
901         (compute_transaction_bits): New.
902
903 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
904
905         * gcc.c (display_help): Document --help=common and sort entries
906         alphabetically.
907
908 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
909
910         * doc/install.texi: Document check-$LANG specific shortcuts
911
912 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
913
914         PR target/51534
915         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
916         and vcgtu.
917         * config/arm/arm_neon.h: Regenerate.
918         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
919         (neon_vcgeu): New insn.
920         (neon_vcgtu): Likewise.
921         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
922         (ops): Unsigned comparison intrinsics call a different
923         builtin.
924
925 2012-02-28  Richard Guenther  <rguenther@suse.de>
926
927         PR target/52407
928         * config/i386/i386.c (ix86_expand_vector_set): Fix element
929         ordering for the VEC_CONCAT for two element vectors for
930         V2SFmode, V2SImode and V2DImode.
931
932 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
933
934         PR target/49448
935         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
936         detecting big-endian triplets.
937
938 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
939
940         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
941         mode if there is no type information available.
942
943 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
944
945         PR tree-optimization/53207
946         * doc/invoke.texi: Document as experimental and relying on graphite.
947
948 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
949
950         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
951         of initializer to changes from r184614.
952
953 2012-02-28  Richard Guenther  <rguenther@suse.de>
954
955         PR tree-optimization/52395
956         * tree-sra.c (build_ref_for_offset): Also look at the base
957         TYPE_ALIGN when figuring out the alignment of the replacement.
958
959 2012-02-28  Richard Guenther  <rguenther@suse.de>
960
961         PR tree-optimization/52402
962         * ipa-prop.c (ipa_modify_call_arguments): Properly use
963         mis-aligned types when creating the accesses at the call site.
964
965 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
966
967         * config/avr/builtins.def: New file.
968         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
969         * config/avr/avr.c (enum avr_builtin_id): Use it.
970         (avr_init_builtins): Use it. And use avr_bdesc.
971         (bdesc_1arg): Remove.
972         (bdesc_2arg): Remove.
973         (bdesc_3arg): Remove.
974         (struct avr_builtin_description): Add field n_args.
975         (avr_bdesc): New static variable using builtins.def.
976         (avr_expand_builtin): Use it.
977         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
978         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
979         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
980
981 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
982
983         PR target/52148
984         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
985         match only one single hard register with respective hard reg rtx.
986         (movmemx_<mode>): Ditto.
987         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
988         insn anatomy of movmem[x]_<mode>.
989         (avr_out_movmem): Same for printing assembler and operand usage.
990
991 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
992
993         PR target/49868
994         PR target/52261
995         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
996         address spaces located outside of device flash.
997
998         * config/avr/avr.h (base_arch_s): Remove field n_segments.
999         (mcu_type_s): Add field n_flash.
1000         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1001         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1002         (AVR_MCU): Add N_FLASH argument.
1003         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1004         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1005         macro __FLASH<n> if that address space makes sense for the device.
1006         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1007         outside of target flash.
1008         (avr_asm_named_section): Ditto.
1009         (avr_asm_select_section): Ditto.
1010         (avr_addr_space_convert): Ditto.
1011         (avr_emit_movmemhi): Ditto.
1012         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1013         address space is outside of device flash.
1014         (avr_insert_attributes): Ditto.
1015         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1016         avr_current_arch->n_segments.
1017
1018 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1019
1020         PR target/52352
1021         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1022         TARGET_LP64.
1023         (*movabs<mode>_2): Likewise.
1024
1025 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1026
1027         PR target/52375
1028         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1029         s_register_operand in the test instead of REG_P.  Don't call
1030         gen_reg_rtx if it won't be used.
1031
1032         PR tree-optimization/52376
1033         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1034
1035 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1036
1037         * ifcvt.c (noce_get_condition): Check condition variable is not
1038         small_register_classes_for_mode_p before accepting.
1039
1040 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1043
1044 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1045
1046         Revert:
1047         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1048         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1049         tuning parameters.
1050         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1051
1052 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1053
1054         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1055
1056 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1057
1058         * config/sh/predicates.md: Remove blank lines.
1059         * config/sh/sh.c: Fix typos in comments.
1060         * config/sh/constraints.md: Likewise.
1061         * config/sh/sh.md: Remove blank lines.
1062         Fix typos in comments.  Use ;; as comment characters.
1063
1064 2012-02-26  Walter Lee  <walt@tilera.com>
1065
1066         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1067         (replace_mov_pcrel_step2): Ditto.
1068
1069 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1070
1071         PR debug/52001
1072         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1073         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1074         and locs that reference values newer than the non-canonical value
1075         at hand.  Return the canonical value as a worst case.
1076         (memrefs_conflict_p): Walk canonical value's locs.
1077
1078         PR debug/52001
1079         * cselib.c (preserve_only_constants): Rename to...
1080         (preserve_constants_and_equivs): ... this.  Split out...
1081         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1082         of other preserved expressions too.
1083         (cselib_reset_table): Adjust.
1084         * var-tracking.c (reverse_op): Use canonical value to build
1085         reverse operation.
1086
1087 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1088
1089         * config/i386/i386.c (ix86_delegitimize_address): Handle
1090         UNSPEC_PCREL plus displacement.
1091
1092 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1093
1094         PR target/52261
1095         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1096         to test for unusedness in st X addressing.
1097
1098 2012-02-24  Richard Guenther  <rguenther@suse.de>
1099
1100         PR middle-end/52361
1101         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1102         (is_gimple_reg_type): Move inline ...
1103         * gimple.h (is_gimple_reg_type): ... here.
1104
1105 2012-02-24  Richard Guenther  <rguenther@suse.de>
1106
1107         PR middle-end/52361
1108         * passes.c (execute_function_todo): When verifying SSA form
1109         verify gimple form first.
1110         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1111
1112 2012-02-24  Richard Guenther  <rguenther@suse.de>
1113
1114         PR middle-end/52355
1115         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1116         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1117
1118 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1119
1120         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1121
1122 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1123
1124         * tree-phinodes.c (make_phi_node): Mark static.
1125         * tree-flow.h (make_phi_node): Remove extern decl.
1126         * doc/gimple.texi (make_phi_node): Remove documentation.
1127
1128 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1129
1130         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1131         * tree-ssa-sccvn.c (print_scc): Ditto.
1132
1133 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1134
1135         * doc/passes.texi (Full redundancy elimination): Fix typo.
1136
1137 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1138
1139         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1140
1141 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1142
1143         PR bootstrap/52287
1144         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1145
1146 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1147
1148         PR c/52290
1149         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1150
1151 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1152
1153         * config/avr/avr.md (code_stdname): Add ior, xor.
1154         (xior): New code iterator.
1155         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1156         (*<code_stdname><mode>qi.byte1-3): Ditto.
1157
1158 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1159
1160         PR tree-optimization/52019
1161         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1162         CLOBBER stmts.
1163
1164 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1165
1166         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1167         HAVE_INITFINI_ARRAY to work around namespace pollution in
1168         certain versions of newlib system headers.
1169         * config.in: Regenerate.
1170         * configure: Regenerate.
1171         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1172         instead of HAVE_INITFINI_ARRAY.
1173
1174 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1175
1176         PR target/52330
1177         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1178         is not offsettable memory reference.
1179
1180 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1181
1182         PR target/18145
1183         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1184         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1185
1186 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1187
1188         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1189         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1190
1191 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1192
1193         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1194         library on Solaris 8 even without TLS support.
1195         * configure: Regenerate.
1196
1197 2012-02-22  Richard Guenther  <rguenther@suse.de>
1198
1199         PR middle-end/52329
1200         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1201         for GIMPLE_DEBUG stmts.
1202
1203 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1204
1205         PR middle-end/51782
1206         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1207         according to the base object.
1208
1209 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1210
1211         PR rtl-optimization/50063
1212         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1213         and 2 (8-bit SP) in operand 2.
1214         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1215         setup to use movhi_sp_r instead of vanilla move to write SP.
1216         Adjust REG_CFA notes to superseed unspec.
1217         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1218         of vanilla move.
1219         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1220         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1221         irq_state 1 (IRQ known to be on) here.
1222
1223 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1224
1225         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1226         WORDS_BIG_ENDIAN.
1227         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1228         assign_hard_reg): Likewise.
1229
1230 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1231
1232         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1233
1234 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1235
1236         * config/avr/avr.md
1237         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1238         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1239
1240 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1241
1242         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1243         prototype from here to...
1244         * config/avr/avr.h: ...here.
1245
1246 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1247
1248         PR target/52294
1249         * thumb2.md (thumb2_shiftsi3_short): Split register and
1250         immediate shifts.  For register shifts tie operands 0 and 1.
1251         (peephole2 for above): Check that register-controlled shifts
1252         have suitably tied operands.
1253
1254 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1255
1256         PR target/52137
1257         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1258         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1259         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1260         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1261         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1262         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1263         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1264         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1265         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1266         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1267         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1268         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1269         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1270         bdver1_ssevector_avx256_unaligned_load,
1271         bdver1_ssevector_sse128_unaligned_load,
1272         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1273         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1274         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1275         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1276         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1277         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1278         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1279         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1280         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1281         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1282         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1283         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1284         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1285         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1286         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1287         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1288         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1289         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1290         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1291         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1292         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1293         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1294         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1295         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1296         bdver1_ssediv_double_load, bdver1_ssediv_double,
1297         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1298         Add "bdver2" attribute.
1299
1300 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1301
1302         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1303         default if possible and not specified otherwise.
1304
1305 2012-02-21  Richard Guenther  <rguenther@suse.de>
1306
1307         PR middle-end/52314
1308         * gimplify.c (create_tmp_from_val): Use the main variant type
1309         for the type of the temporary we create.
1310
1311 2012-02-21  Richard Guenther  <rguenther@suse.de>
1312
1313         PR tree-optimization/52324
1314         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1315         do not gimplify a MEM_REF address operand if it is already
1316         in suitable form.
1317
1318 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1319
1320         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1321         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1322
1323 2012-02-21  Richard Guenther  <rguenther@suse.de>
1324
1325         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1326         nested_in_vect_loop.
1327
1328 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1329
1330         PR tree-optimization/52318
1331         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1332         vdef also to non-pure/const call stmts in the sequence.
1333
1334 2012-02-20  David S. Miller  <davem@davemloft.net>
1335
1336         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1337         don't use the "rd %pc" instruction on v9 for PIC register loads.
1338
1339 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1340
1341         PR middle-end/52141
1342         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1343         in a transaction safe function.
1344
1345 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1346
1347         PR target/52238
1348         * stor-layout.c (place_field): Handle desired_align for
1349         ms-bitfields, too.
1350
1351 2012-02-20  Richard Guenther  <rguenther@suse.de>
1352
1353         PR tree-optimization/52298
1354         * tree-vect-stmts.c (vectorizable_store): Properly use
1355         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1356         outer loops.
1357         (vectorizable_load): Likewise.
1358         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1359         Access DR_STEP after ensuring it is not NULL.
1360
1361 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1362
1363         PR tree-optimization/52286
1364         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1365         optimization use double_int_to_tree instead of build_int_cst_wide,
1366         rewrite to use double_int vars.
1367
1368 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1369
1370         PR target/50166
1371         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1372         Define _start.
1373         Remove -e 0 from $gcc_cv_ld invocation.
1374         Only use __GLIBC_PREREQ if defined.
1375         Enable on Solaris since Solaris 8 patch.
1376         (gcc_SUN_LD_VERSION): New macro.
1377         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1378         gcc_SUN_LD_VERSION for version number format.
1379         * configure: Regenerate.
1380         * varasm.c (get_elf_initfini_array_priority_section): Set
1381         SECTION_NOTYPE for non-default priority.
1382         Use get_section instead of get_unnamed_section to emit
1383         .init_array/.fini_array with default priority.
1384
1385 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1386
1387         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1388         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1389         (mips_start_unique_function, mips_output_mips16_rdhwr)
1390         (mips_code_end): New functions.
1391         (TARGET_ASM_CODE_END): Define.
1392
1393 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1394
1395         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1396         to stubs with non-sibling calls.
1397
1398 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1399
1400         * doc/invoke.texi (-fira-* options): Copy-edit.
1401         (ira-* parameters): Copy-edit.
1402
1403 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1404
1405         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1406         GCC coding conventions.
1407
1408 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1409
1410         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1411         when used as adjectives.
1412
1413 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1414
1415         * doc/invoke.texi: Clean up "that"/"which" confusion.
1416
1417 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1418
1419         * system.h: Poison SMALL_REGISTER_CLASSES
1420         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1421         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1422
1423 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1424
1425         PR tree-optimization/52285
1426         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1427         when deciding if a call is a tail call or tail recursion.
1428
1429 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1430
1431         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1432         interger-constant displacement for UNSPEC_PCREL.
1433
1434 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1435
1436         PR rtl-optimization/52208
1437         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1438         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1439
1440         PR tree-optimization/52255
1441         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1442         loop->header has virtual PHI, but exit_e->dest doesn't, add
1443         virtual PHI to exit_e->dest and adjust all uses after the loop.
1444
1445         PR debug/52260
1446         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1447         children with clone_tree_hash, not after it.
1448
1449 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1450
1451         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1452         extended identifiers.
1453
1454 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1455
1456         PR middle-end/51929
1457         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1458         a same_body_alias, also test whether e->callee isn't a former
1459         or current clone of the decl this is a same body alias of.
1460
1461         PR translation/52264
1462         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1463
1464 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1465
1466         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1467
1468 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1469
1470         PR target/52199
1471         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1472         force_reg instead of copy_to_reg for better optimization.  Force
1473         non-register or memory operands into a register.
1474
1475 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1476
1477         * extend.texi: Reserve upper bits of memory model for future use.
1478
1479 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1480             Anatoly Sokolov <aesok@post.ru>
1481             Eric Weddington <eric.weddington@atmel.com>
1482
1483         PR target/52261
1484         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1485         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1486         Rewrite initializers for .macro.
1487         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1488         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1489         atxmega32d4, atxmega32x1.
1490         avrxmega4: atxmega64a3, atxmega64d3.
1491         avrxmega5: atxmega64a1, atxmega64a1u.
1492         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1493         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1494         avrxmega7: atxmega128a1, atxmega128a1u.
1495         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1496         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1497         (struct base_arch_s): Rename reserved to xmega_p.
1498         Rename reserved2 to have_rampd.
1499         (AVR_XMEGA): New define.
1500         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1501         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1502         * config/avr/predicates.md (io_address_operand): Take into
1503         account SFR offset.
1504         (low_io_address_operand): Ditto.
1505         (high_io_address_operand): Ditto.
1506         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1507         (enabled, movhi_sp_r): Use them.
1508         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1509         cpp_define_formatted to built-in define __AVR_ARCH__.
1510         (__AVR_XMEGA__): New built-in define.
1511         (__AVR_HAVE_RAMPD__): New built-in define.
1512         (__AVR_HAVE_RAMPX__): New built-in define.
1513         (__AVR_HAVE_RAMPY__): New built-in define.
1514         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1515
1516         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1517         (avr_option_override): Initialize them.
1518         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1519         (avr_init_expanders): Initialize them. No more block several calls.
1520         (emit_push_sfr): New static function.
1521         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1522         Handle AVR_XMEGA.
1523         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1524         (avr_print_operand): Print addreeses as symbols for
1525         RAMPX, RAMPY, RAMPD, CCP.
1526         (output_movhi): Handle AVR_XMEGA when writing to SP.
1527         (avr_out_movhi_mr_r_xmega): New static function.
1528         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1529         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1530         __RAMPD__,  __CCP__ as needed.
1531
1532         * config/avr/multilib.h: Regenerate.
1533         * config/avr/t-multilib: Regenerate.
1534         * config/avr/avr-tables.opt: Regenerate.
1535
1536 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1537
1538         PR tree-optimization/50561
1539         * graphite-flattening.c (lst_project_loop): Do not
1540         remove old scattering dimensions after flattening.
1541         (lst_do_flatten): Likewise.
1542
1543 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1544
1545         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1546         __builtin_avr_map8, __builtin_avr_map16.
1547         Document __builtin_avr_insert_bits.
1548
1549         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1550         (insert_bits): New insn.
1551         (adjust_len.map_bits): Rename to insert_bits.
1552         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1553         * avr-protos.h (avr_out_map_bits): Remove.
1554         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1555         * config/avr/constraints.md (Cxf,C0f): New.
1556         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1557         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1558         New built-in define __BUILTIN_AVR_INSERT_BITS.
1559         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1560         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1561         (avr_move_bits): Rewrite.
1562         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1563         functions.
1564         (avr_map_op_t): New typedef.
1565         (avr_map_op): New static variable.
1566         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1567         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1568         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1569         (bdesc_3arg, avr_expand_triop_builtin): New.
1570         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1571         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1572         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1573         (avr_map_equal_p, avr_map_sig_p): Remove.
1574         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1575         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1576         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1577         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1578         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1579         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1580
1581 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1582
1583         * config/c6x/c6x.md (reserve_cycles): New attribute.
1584         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1585         don't reserve functional units after the branch occurs.
1586
1587 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1588
1589         PR middle-end/52142
1590         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1591         functions into non-tm_pure functions.
1592
1593 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1594
1595         PR lto/52178
1596         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1597         (iterative_hash_canonical_type): Likewise.
1598         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1599         the dead edges.
1600
1601 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1602
1603         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1604         sched-group insn, it either remains alone or the entire list is pruned.
1605
1606 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1607
1608         * doc/install.texi (Prerequisites): Fix grammar.
1609         (Configuration): Likewise.
1610
1611 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1612
1613         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1614         MPC as part of GCC before describing configuring with --with-gmp etc.
1615         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1616         sources are present.
1617
1618 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1619
1620         PR debug/51950
1621         * dwarf2out.c (clone_tree_hash): New function.
1622         (copy_decls_walk): Use it instead of clone_tree.
1623
1624 2012-02-14  Richard Guenther  <rguenther@suse.de>
1625
1626         PR tree-optimization/52244
1627         PR tree-optimization/51528
1628         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1629         replacements for integral types.
1630
1631 2012-02-14  Walter Lee  <walt@tilera.com>
1632
1633         * config.gcc: Handle tilegx and tilepro.
1634         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1635         tilegx and tilepro.
1636         Add HAVE_AS_TLS check for tilegx and tilepro.
1637         * configure: Regenerate.
1638         * doc/contrib.texi: Add Mat Hostetter and self.
1639         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1640         Document instruction intrinsics and network accessing intrinsics.
1641         (TILEPro Built-in Functions): New node.  Document instruction
1642         intrinsics and network accessing intrinsics.
1643         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1644         (Specific, tilepro-*-linux*): Likewise.
1645         * doc/invoke.texi (TILE-Gx Options): New section.
1646         (TILEPro Options): New section.
1647         * doc/md.texi (TILE-Gx): New section.
1648         (TILEPro): New section.
1649         * common/config/tilegx/tilegx-common.c: New file.
1650         * common/config/tilepro/tilepro-common.c: New file.
1651         * config/tilegx/constraints.md: New file.
1652         * config/tilegx/linux.h: New file.
1653         * config/tilegx/mul-tables.c: New file.
1654         * config/tilegx/predicates.md: New file.
1655         * config/tilegx/sync.md: New file.
1656         * config/tilegx/t-tilegx: New file.
1657         * config/tilegx/tilegx-builtins.h: New file.
1658         * config/tilegx/tilegx-c.c: New file.
1659         * config/tilegx/tilegx-generic.md: New file.
1660         * config/tilegx/tilegx-modes.def: New file.
1661         * config/tilegx/tilegx-multiply.h: New file.
1662         * config/tilegx/tilegx-protos.h: New file.
1663         * config/tilegx/tilegx.c: New file.
1664         * config/tilegx/tilegx.h: New file.
1665         * config/tilegx/tilegx.md: New file.
1666         * config/tilegx/tilegx.opt: New file.
1667         * config/tilepro/constraints.md: New file.
1668         * config/tilepro/gen-mul-tables.cc: New file.
1669         * config/tilepro/linux.h: New file.
1670         * config/tilepro/mul-tables.c: New file.
1671         * config/tilepro/predicates.md: New file.
1672         * config/tilepro/t-tilepro: New file.
1673         * config/tilepro/tilepro-builtins.h: New file.
1674         * config/tilepro/tilepro-c.c: New file.
1675         * config/tilepro/tilepro-generic.md: New file.
1676         * config/tilepro/tilepro-modes.def: New file.
1677         * config/tilepro/tilepro-multiply.h: New file.
1678         * config/tilepro/tilepro-protos.h: New file.
1679         * config/tilepro/tilepro.c: New file.
1680         * config/tilepro/tilepro.h: New file.
1681         * config/tilepro/tilepro.md: New file.
1682         * config/tilepro/tilepro.opt: New file.
1683
1684 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1685
1686         PR tree-optimization/52210
1687         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1688         vect_model_simple_cost with two entry vect_def_type array instead
1689         of an address of dt.
1690
1691 2012-02-14  Richard Guenther  <rguenther@suse.de>
1692
1693         PR lto/52178
1694         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1695         Do not stream DECL_QUALIFIER.
1696         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1697         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1698         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1699
1700 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1701
1702         PR c/52181
1703         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1704         newdecl.
1705
1706 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1707
1708         PR bootstrap/52172
1709         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1710         * cselib.c (cselib_subst_to_values_from_insn): New function.
1711         * sched-deps.c (add_insn_mem_dependence,
1712         sched_analyze_1, sched_analyze_2): Use it.
1713
1714 2012-02-13  Jan Hubicka  <jh@suse.cz>
1715
1716         PR middle-end/52214
1717         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1718
1719 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1720
1721         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1722         (GTM_SELF_SPECS): Define if not already defined.
1723         (driver_self_specs): Add GTM_SELF_SPECS.
1724         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1725         (GTM_SELF_SPECS): Define.
1726         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1727         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1728
1729 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1730
1731         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1732         away if seen.
1733
1734         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1735
1736         PR middle-end/52230
1737         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1738         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1739
1740 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1741
1742         PR c/52190
1743         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1744
1745 2012-02-13  Richard Guenther  <rguenther@suse.de>
1746
1747         PR translation/52211
1748         * passes.c (enable_disable_pass): Fix typo.
1749
1750 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR middle-end/52209
1753         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1754         XOR for reduce_bit_field if type is unsigned.
1755
1756 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1757
1758         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1759         disallow changes from SFmode to mode with different size in FP regs.
1760
1761 2012-02-12  Robert Millan  <rmh@gnu.org>
1762             Gerald Pfeifer <gerald@pfeifer.com>
1763
1764         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1765         Tweak comment.
1766
1767 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1768
1769         PR rtl-optimization/52175
1770         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1771         to frame-related instructions.
1772
1773 2012-02-10  Jason Merrill  <jason@redhat.com>
1774
1775         PR c++/51910
1776         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1777         (demangle_new_symbols): Fill it.
1778         (scan_linker_output): Walk it.
1779         (start_tweaking): Split out from scan_linker_output.
1780         (maybe_tweak): Update sym->chosen.
1781         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1782
1783 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1784
1785         PR debug/52132
1786         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1787
1788 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1791         having the same mode as previous compare.
1792
1793 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1794
1795         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1796         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1797         (nonlocal_goto_internal): Likewise.
1798         (nonlocal_goto): Emit a use and an indirect jump directly.
1799
1800 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1801
1802         PR c/52190
1803         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1804         __atomic_{is,always}_lock_free.
1805
1806 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1807
1808         PR target/52146
1809         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1810         negative constant address for x32.
1811
1812 2012-02-10  Richard Henderson  <rth@redhat.com>
1813
1814         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1815         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1816         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1817
1818 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1819             Ira Rosen  <irar@il.ibm.com>
1820
1821         PR tree-optimization/50031
1822         * targhooks.c (default_builtin_vectorization_cost): Handle
1823         vec_promote_demote.
1824         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1825         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1826         all types of reduction and pattern statements.
1827         (vect_estimate_min_profitable_iters): Likewise.
1828         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1829         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1830         for explicit realigns.
1831         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1832         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1833         vec_promote_demote.
1834         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1835         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1836         vec_perm for VSX and handle vec_promote_demote.
1837
1838 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1839
1840         PR middle-end/52177
1841         * builtins.c (fold_builtin_atomic_always_lock_free,
1842         expand_builtin_atomic_always_lock_free,
1843         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1844         Return and/or test boolean_true_node/boolean_false_node instead of
1845         integer_one_node/integer_zero_node.
1846
1847 2012-02-10  Jan Hubicka  <jh@suse.cz>
1848
1849         PR middle-end/48600
1850         * predict.c (predict_paths_for_bb): Prevent looping.
1851         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1852
1853 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1854
1855         * config/arm/arm.c (output_move_double): In one case properly
1856         count number of instructions that will be emitted.
1857
1858 2012-02-10  Richard Guenther  <rguenther@suse.de>
1859
1860         PR translation/52193
1861         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1862
1863 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1864
1865         PR middle-end/52140
1866         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1867
1868 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1869
1870         PR debug/52165
1871         * var-tracking.c (emit_note_insn_var_location): If
1872         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1873         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1874         non-NOTE_DURING_CALL_P insn.
1875
1876 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1877
1878         PR middle-end/51867
1879         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1880
1881 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1882
1883         PR driver/48524
1884         * gcc.c (switch_matches) Support switches with separated form,
1885         -D and -U.
1886
1887 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1888
1889         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1890         (SP_ADDR): Ditto.
1891         (RAMPZ_ADDR): Ditto.
1892         * config/avr/avr.c (avr_addr_t): New typedef.
1893         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1894         (avr_init_expanders): Initialize it.
1895         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1896         SREG_ADDR.
1897         (expand_epilogue): Ditto.
1898         (avr_print_operand): Ditto.
1899         (avr_file_start): Ditto.
1900         (avr_emit_movmemhi): Ditto.
1901
1902 2012-02-08  Richard Guenther  <rguenther@suse.de>
1903
1904         PR tree-optimization/46886
1905         * tree-flow.h (do_while_loop_p): Declare.
1906         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1907         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1908
1909 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1910
1911         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1912         always succeed for integers larger than a native word.
1913
1914 2012-02-08  Richard Guenther  <rguenther@suse.de>
1915
1916         PR rtl-optimization/52170
1917         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1918         properly handle integer vector modes.
1919
1920 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1921
1922         PR gcov-profile/52150
1923         * coverage.c: Include target.h.
1924         (build_var): Call targetm.strip_name_encoding on the assembler name.
1925         Change one _ into . or $ if the target allows it.
1926         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1927
1928         PR rtl-optimization/52139
1929         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1930         is a BARRIER after emit_insn_after_noloc, move BB_END
1931         to the last non-BARRIER insn before it.
1932
1933 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1934
1935         PR middle-end/24306
1936         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1937         (mips_gimplify_va_arg_expr): Call it instead of
1938         std_gimplify_va_arg_expr.
1939
1940 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1941
1942         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1943         message for -mno-pointers-to-nested-function.
1944
1945 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1946
1947         PR middle-end/51994
1948         * expr.c (get_inner_reference): If there is an offset, add a negative
1949         bit position to it (if any).
1950
1951 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1952
1953         PR rtl-optimization/52060
1954         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1955         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1956         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1957         and/or i0src_copy2 when needed.
1958
1959 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1960
1961         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1962         or LTOPLUGINSONAME if have_c.
1963
1964         * config/freebsd-spec.h: Add comment about what macros can be defined
1965         in this header.
1966         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1967         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1968         here instead.
1969
1970 2012-02-07  Richard Guenther  <rguenther@suse.de>
1971
1972         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1973         newline in -alias dumps.
1974
1975 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1976             Dave Korn  <dave.korn.cygwin@gmail.com>
1977
1978         PR target/40068
1979         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1980         Take care that typinfo gets dllexport-attribute.
1981
1982 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1983
1984         PR middle-end/52074
1985         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1986         if modifier < EXPAND_SUM call force_operand on the result.
1987
1988 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1989
1990         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1991         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1992         present.
1993         (epiphany_function_type): Replace types for specific interrupts with
1994         EPIPHANY_FUNCTION_INTERRUPT.
1995         (EPIPHANY_INTERRUPT_P): Update.
1996         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1997         New static function.
1998         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1999         <disinterrupt>: Affects type identity.
2000         (epiphany_handle_interrupt_attribute): Handle variable number of
2001         arguments.
2002         (epiphany_compute_function_type): Update for new
2003         epiphany_function_type definition.
2004         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2005         handlers with a longcall forwarder.
2006         (epiphany_start_function): Handle multiple interrupt arguments and/or
2007         forwarder_section attribute.
2008
2009         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2010         libgloss.
2011
2012 2012-02-07  Alan Modra  <amodra@gmail.com>
2013
2014         PR target/52107
2015         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2016         subregs of TFmode.
2017
2018 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2019
2020         PR tree-optimization/50969
2021         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2022         use vec_perm rather than vector_stmt.
2023         (vect_model_load_cost): Likewise.
2024         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2025         vec_perm to be the same as other vector statements.
2026         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2027         cost of vec_perm for TARGET_VSX.
2028
2029 2012-02-06  Richard Guenther  <rguenther@suse.de>
2030
2031         PR tree-optimization/52115
2032         * tree-sra.c (access_has_replacements_p): New function.
2033         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2034
2035 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2036
2037         PR middle-end/52047
2038         * trans-mem.c (expand_call_tm): Add an assertion.
2039         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2040         functions.
2041
2042 2012-02-06  Richard Guenther  <rguenther@suse.de>
2043
2044         PR tree-optimization/50955
2045         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2046         raise cost of expressions that replace an address with an
2047         expression based on a different pointer.
2048
2049 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR target/52129
2052         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2053         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2054
2055 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2056
2057         PR c++/48680
2058         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2059         -Weffc++ and specify guidelines come from second edition.
2060
2061 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2062
2063         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2064         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2065         (call_direct_split, call_value_split, call_value_internal_direct)
2066         (call_value_direct_split, call_value_multiple_split): Use jal and
2067         jal_macro attributes.
2068
2069 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2070
2071         * reload1.c (reload_regs_reach_end_p): Replace with...
2072         (reload_reg_rtx_reaches_end_p): ...this function.
2073         (new_spill_reg_store): Update commentary.
2074         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2075         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2076         before setting new_spill_reg_store.
2077         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2078         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2079         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2080         for non-spill reload registers.
2081
2082 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2083
2084         PR tree-optimization/52091
2085         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2086         (vect_is_simple_use_1): Likewise.
2087         * tree-vect-loop.c (vectorizable_reduction): Update calls
2088         to vect_is_simple_use_1 and vect_is_simple_use.
2089         (vectorizable_live_operation): Likewise.
2090         * tree-vect-patterns.c (widened_name_p,
2091         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2092         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2093         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2094         vectorizable_shift,vectorizable_operation, vectorizable_store,
2095         vectorizable_load): Likewise.
2096         (vect_is_simple_cond): Add an argument, pass it to
2097         vect_is_simple_use_1.
2098         (vectorizable_condition): Update calls to vect_is_simple_cond,
2099         vect_is_simple_use.
2100         (vect_is_simple_use): Add an argument, the statement in which
2101         OPERAND is used.  Check that if OPERAND's def stmt is a double
2102         reduction phi node, the use is a phi node too.
2103         (vect_is_simple_use_1): Add an argument, pass it to
2104         vect_is_simple_use.
2105         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2106         to vect_is_simple_use.
2107
2108 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2109
2110         PR rtl-optimization/52095
2111         * modulo-sched.c (dump_insn_locator): New function.
2112         (loop_canon_p, sms_schedule): Use it.
2113
2114         PR rtl-optimization/52113
2115         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2116         even for decomposable shift/zext insns.
2117
2118 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2119             Zdenek Dvorak  <ook@ucw.cz>
2120
2121         PR rtl-optimization/52092
2122         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2123         on get_iv_value result.
2124
2125 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2126
2127         PR middle-end/47982
2128         PR middle-end/43967
2129         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2130
2131 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2132
2133         PR middle-end/48071
2134         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2135
2136 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2137
2138         PR rtl-optimization/49800
2139         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2140         (sched_finish): Call regstat_free_n_sets_and_refs.
2141
2142 2012-02-02  Jia Liu  <proljc@gmail.com>
2143
2144         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2145         than operand 2.
2146
2147 2012-02-02  Jan Hubicka  <jh@suse.cz>
2148             Tom de Vries  <tom@codesourcery.com>
2149
2150         PR middle-end/51998
2151         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2152         * varpool.c (varpool_analyze_pending_decls): Likewise.
2153
2154 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2155             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2156
2157         * config.gcc: Add cr16-* support.
2158
2159         * doc/extend.texi: Document cr16 extensions.
2160         * doc/install.texi: Document cr16 install.
2161         * doc/invoke.texi: Document cr16 options.
2162         * doc/md.texi: Document cr16 constraints.
2163
2164         * common/config/cr16/cr16-common.c: New file.
2165         * config/cr16/cr16.c: New file.
2166         * config/cr16/cr16.h: New file.
2167         * config/cr16/cr16.md: New file.
2168         * config/cr16/cr16.opt: New file.
2169         * config/cr16/cr16-protos.h: New file.
2170         * config/cr16/predicates.md: New file.
2171         * config/cr16/constraints.md: New file.
2172         * config/cr16/t-cr16: New file.
2173
2174 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2175
2176         PR target/52086
2177         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2178         that operands[2] is either immediate, or q_regs_operand.
2179
2180         PR tree-optimization/52073
2181         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2182         a pattern stmt for pattern uses, ignore uses outside of the loop.
2183
2184 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2185
2186         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2187         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2188         (OUT_AS1, OUT_AS2): Remove.
2189
2190 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2191
2192         PR rtl-optimization/51374
2193         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2194         to cross other volatile_refs_p insns.
2195
2196 2012-02-01  Richard Guenther  <rguenther@suse.de>
2197
2198         * doc/invoke.texi (fno-inline): Clarify documentation.
2199         (finline-small-functions): Likewise.
2200         (finline-functions): Likewise.
2201         * common.opt (finline): Adjust comment and documentation.
2202         (finline-small-functions): Clarify documentation.
2203         (finline-functions): Likewise.
2204         (finline-functions-called-once): Likewise.
2205
2206 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2207
2208         * c-typeck.c (composite_type): Keep mode for pointers.
2209
2210 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2211
2212         * function.h (regno_reg_rtx): Adjust comment.
2213         * reginfo.c (init_reg_modes_target): Only use the previous mode
2214         if it fits within one register.  Remove MIPS comment.
2215
2216 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2217
2218         PR bootstrap/52058
2219         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2220
2221 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2222
2223         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2224         to srak instruction.
2225
2226 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2227
2228         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2229
2230 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2231
2232         PR bootstrap/52041
2233         PR bootstrap/52039
2234         PR target/51974
2235         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2236
2237 2012-01-31  Richard Guenther  <rguenther@suse.de>
2238
2239         PR tree-optimization/51528
2240         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2241         assigns.
2242
2243 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2244
2245         PR bootstrap/52041
2246         PR bootstrap/52039
2247         PR target/51974
2248         * ree.c (add_removable_extension): Change def_map argument
2249         to unsigned *, store in def_map 1 + offset into *insn_list vector
2250         instead of pointers into the vector.
2251         (find_removable_extensions): Adjust caller.
2252
2253 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2254
2255         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2256         Transform all "* quoted-c-code" to { c-code }.
2257         Remove redundant test for "optimize" in combine patterns.
2258         Move (include "avr-dimode.md") to end of file.
2259
2260 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2261
2262         PR target/51835
2263         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2264         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2265
2266 2012-01-30  Richard Guenther  <rguenther@suse.de>
2267
2268         PR tree-optimization/52028
2269         * tree-loop-distribution.c (ldist_gen): Properly update
2270         virtual SSA form.
2271
2272 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2273
2274         PR debug/52027
2275         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2276         set_cur_line_info_table if not emitting debug info.
2277
2278         PR tree-optimization/52046
2279         * tree-vect-patterns.c (check_bool_pattern): Give up if
2280         a comparison could throw.
2281
2282         PR debug/52048
2283         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2284
2285 2012-01-30  Richard Guenther  <rguenther@suse.de>
2286
2287         PR tree-optimization/52045
2288         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2289         SSA form if cfgcleanup did anything.
2290
2291 2012-01-30  Richard Guenther  <rguenther@suse.de>
2292
2293         PR tree-optimization/52045
2294         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2295         before computing final todo.
2296
2297 2012-01-30  Richard Guenther  <rguenther@suse.de>
2298
2299         PR tree-optimization/51528
2300         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2301         for PR51528 fix.
2302
2303 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2304
2305         * df-problems.c (df_kill_notes): Check that the use refers
2306         to the note under examination.
2307
2308 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2309
2310         PR target/51920
2311         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2312         parameter and use short-lived pseudos.
2313         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2314         (sparc_expand_vector_init): Const-ify local variables and adjust
2315         calls to above functions.
2316
2317 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2318
2319         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2320
2321 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2322
2323         * doc/invoke.texi: Make usage of "compile time" and
2324         "run time"/"runtime" consistent throughout the file.
2325
2326 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2327
2328         * config/alpha/alpha.c (alpha_option_override): Default to
2329         full IEEE compliance mode for Go language.
2330
2331 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2332
2333         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2334         (LINK_SSP_SPEC): Define.
2335
2336 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2337
2338         PR target/51871
2339         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2340         stubs.
2341
2342 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2343
2344         * doc/invoke.texi: Correct hyphenation of "floating point",
2345         "double precision", and related terminology throughout the file.
2346
2347 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2348
2349         PR target/52006
2350         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2351         arm_general_register_operand predicate for operand 2 instead of
2352         register_operand.
2353
2354 2012-01-27  Ian Lance Taylor  <iant@google.com>
2355
2356         PR go/47656
2357         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2358         * builtins.c (expand_builtin_init_trampoline): Add onstack
2359         parameter.  Change caller.
2360         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2361         * tree.c (build_common_builtin_nodes): Declare
2362         __builtin_init_heap_trampoline.
2363
2364 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2365
2366         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2367         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2368         * config/avr/avr.c: Ditto.
2369         (avr_regnames): Remove because unused.
2370         * config/avr/avr.md (*cpse.ne): New peephole.
2371         (*cpse.eq): New peephole from former cpse peepholes.
2372
2373 2012-01-27  Michael Eager  <eager@eagercon.com>
2374
2375         * config/microblaze.c (microblaze_emit_compare): Correct
2376         test after pcmp instruction.
2377
2378 2012-01-27  Richard Guenther  <rguenther@suse.de>
2379
2380         PR tree-optimization/52020
2381         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2382
2383 2012-01-27  Richard Guenther  <rguenther@suse.de>
2384
2385         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2386         function non-const/pure.
2387
2388 2012-01-27  Richard Guenther  <rguenther@suse.de>
2389
2390         PR tree-optimization/50444
2391         * tree-sra.c (build_ref_for_offset): Properly adjust the
2392         MEM_REF type for unaligned accesses.
2393
2394 2012-01-27  Richard Guenther  <rguenther@suse.de>
2395
2396         PR tree-optimization/50444
2397         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2398         (expand_assignment): Use it.  Properly handle misaligned
2399         bases when expanding stores to component references.
2400         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2401         refactor that case.
2402
2403 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2404
2405         PR middle-end/51389
2406         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2407         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2408         * tree-data-ref.c (find_data_references_in_loop): Make static.
2409         (compute_all_dependences): Change return type to bool.  Bail out
2410         for too many datarefs in a loop.  Move the hunk resetting the data
2411         dependences vector from ...
2412         (compute_data_dependences_for_loop): ... here.  Account for
2413         compute_all_dependences returning false.
2414         (compute_data_dependences_for_bb): Likewise.
2415         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2416         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2417
2418 2012-01-27  Richard Guenther  <rguenther@suse.de>
2419
2420         PR middle-end/51959
2421         * expr.c (store_field): Use the alias-set of the scratch memory
2422         for storing to it.
2423
2424 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2425
2426         PR tree-optimization/51990
2427         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2428         WITH_SIZE_EXPR.
2429         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2430
2431 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2432
2433         PR debug/52001
2434         * var-tracking.c (reverse_op): Don't add any reverse operation
2435         if V already has any constant locations.
2436
2437 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2438
2439         * doc/invoke.texi: Correct usage of "command line" (noun)
2440         vs "command-line" (adjective) throughout.
2441
2442 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2443
2444         * doc/invoke.texi (Language Independent Options): Move
2445         -Wcoverage-mismatch blurb from here....
2446         (Warning Options): ...to here.
2447
2448 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2449
2450         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2451         Set rs6000_always_hint to false for 476.
2452
2453 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2454
2455         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2456           system root.
2457         * incpath.c (add_standard_paths): Likewise.
2458
2459 2012-01-27  Richard Henderson  <rth@redhat.com>
2460
2461         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2462         * config/m68k/sync.md (atomic_test_and_set): Rename from
2463         sync_test_and_setqi and adjust the operands.
2464         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2465         and unconditionally enable.
2466
2467 2012-01-27  Richard Henderson  <rth@redhat.com>
2468
2469         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2470         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2471         (ldstub): Rename from ldstubqi.
2472         (ldstub<I24MODE>): Remove.
2473
2474 2012-01-27  Richard Henderson  <rth@redhat.com>
2475
2476         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2477         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2478         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2479         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2480         * doc/tm.texi: Rebuild.
2481
2482 2012-01-27  Richard Henderson  <rth@redhat.com>
2483
2484         * optabs.c (gen_atomic_test_and_set): Remove default.
2485         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2486
2487 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2488
2489         PR rtl-optimization/51978
2490         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2491         (combine_reaching_defs): Likewise.
2492         (struct re_info): Remove.
2493         (add_removable_extension): Remove x and data arguments,
2494         add insn, insn_list and def_map.  Use the arguments directly
2495         instead of using struct re_info.
2496         (find_removable_extensions): Don't call add_removable_extension
2497         through note_stores, instead just call it with single_set
2498         result if non-NULL.
2499         (find_and_remove_re): Pass curr_cand->expr instead of
2500         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2501
2502 2012-01-26  Michael Matz  <matz@suse.de>
2503
2504         PR tree-optimization/46590
2505         * cfgexpand.c: Revert last change (r183305).
2506         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2507         regs.
2508         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2509         checking for emptiness.
2510
2511 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2512
2513         PR middle-end/51895
2514         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2515         non-addressable non-BLKmode base correctly.
2516
2517 2012-01-26  Michael Matz  <matz@suse.de>
2518
2519         PR tree-optimization/48794
2520         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2521         regions referenced from RESX/EH_DISPATCH.
2522
2523 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2524
2525         * config/s390/s390.h: Make BRANCH_COST an option.
2526         * config/s390/s390.opt: New option -mbranch-cost.
2527
2528 2012-01-26  Richard Henderson  <rth@redhat.com>
2529
2530         Revert 2012-01-24 change:
2531         * trans-mem.c (requires_barrier): Do not instrument thread local
2532         variables and emit save/restore for them.
2533
2534 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2535
2536         PR middle-end/51986
2537         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2538         for pat == 0.
2539
2540 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2541
2542         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2543         ASM_OPERANDS.
2544
2545 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2546
2547         PR target/49868
2548         Rename __pgm to __flash.
2549         Rename __pgm1 to __flash1.
2550         Rename __pgm2 to __flash2.
2551         Rename __pgm3 to __flash3.
2552         Rename __pgm4 to __flash4.
2553         Rename __pgm5 to __flash5.
2554         Rename __pgmx to __memx.
2555         * doc/extend.texi (AVR Named Address Spaces)
2556         Rename address space names as indicated above.
2557         * config/avr/avr.c (avr_addrspace): Ditto.
2558
2559         * config/avr/avr-protos.h
2560         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2561         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2562         * config/avr/predicates.md: Ditto.
2563         * config/avr/avr.c Ditto, and
2564         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2565         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2566
2567         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2568         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2569         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2570         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2571         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2572         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2573         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2574         * config/avr/avr.c: Ditto.
2575         * config/avr/avr.md: Ditto.
2576
2577 2012-01-25  Jason Merrill  <jason@redhat.com>
2578
2579         PR c++/51992
2580         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2581
2582 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2583
2584         PR tree-optimization/51987
2585         * tree-data-ref.c (get_references_in_stmt): Handle references in
2586         non-volatile GIMPLE_ASM.
2587
2588 2012-01-25  Richard Guenther  <rguenther@suse.de>
2589
2590         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2591         bases are dereferenced.
2592
2593 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2594
2595         PR rtl-optimization/48374
2596         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2597
2598 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2599
2600         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2601         compute_data_dependences_for_loop returns false.
2602         * tree-parloops.c (loop_parallel_p): Likewise.
2603
2604 2012-01-25  Richard Guenther  <rguenther@suse.de>
2605
2606         * tree.h (get_pointer_alignment_1): Declare.
2607         * builtins.c (get_pointer_alignment_1): New function.
2608         (get_pointer_alignment): Use it.
2609
2610 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2611
2612         PR rtl-optimization/48308
2613         * combine.c (enum undo_kind): Add UNDO_LINKS.
2614         (struct undo): Add member l to other_contents and where.
2615         (do_SUBST_LINK): New.
2616         (SUBST_LINK): New.
2617         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2618         (undo_all): Handle UNDO_LINKS.
2619
2620 2012-01-25  Richard Henderson  <rth@redhat.com>
2621
2622         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2623         mem inputs.
2624
2625 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2626
2627         * optabs.c (gen_atomic_test_and_set): Use each argument.
2628
2629 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2630
2631         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2632         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2633         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2634         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2635         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2636         TARGET_PAIRED_SINGLE_FLOAT.
2637
2638 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2639
2640         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2641         (in_struct, return_val): Remove MEM documentation.
2642         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2643         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2644         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2645         and MEM_SCALAR.
2646         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2647         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2648         * expr.c (store_field): Likewise.
2649         * function.c (assign_stack_temp_for_type): Likewise.
2650         * ifcvt.c (noce_try_cmove_arith): Likewise.
2651         * reload1.c (reload): Likewise.
2652         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2653         (alpha_set_memflags): Likewise.
2654         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2655
2656 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2657
2658         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2659         parameter.
2660         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2661         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2662         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2663         varies parameter.
2664         * cselib.c (cselib_rtx_varies_p): Delete.
2665         (cselib_invalidate_mem): Update call to canon_true_dependence.
2666         * dse.c (record_store, check_mem_read_rtx): Likewise.
2667         (scan_reads_nospill): Likewise.
2668         * cse.c (check_dependence): Likewise.
2669         (cse_rtx_varies_p): Delete.
2670         * expr.c (safe_from_p): Update call to true_dependence.
2671         * ira.c (validate_equiv_mem_from_store): Likewise.
2672         (memref_referenced_p): Likewise.
2673         * postreload-gcse.c (find_mem_conflicts): Likewise.
2674         * sched-deps.c (sched_analyze_2): Likewise.
2675         * store-motion.c (load_kills_store): Likewise.
2676         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2677         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2678         (compute_transp): Update call to canon_true_dependence.
2679
2680 2012-01-25  Richard Henderson  <rth@redhat.com>
2681
2682         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2683         (maybe_emit_atomic_test_and_set): New.
2684         (expand_sync_lock_test_and_set): Use it.
2685         (expand_atomic_test_and_set): Likewise.
2686         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2687         the implementation; clarify implementation defined details.
2688         * doc/md.texi (atomic_test_and_set): Document.
2689
2690 2012-01-25  Richard Henderson  <rth@redhat.com>
2691
2692         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2693
2694 2012-01-25  Richard Henderson  <rth@redhat.com>
2695
2696         PR target/51968
2697         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2698         to effect no-op split.
2699
2700 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2701
2702         PR lto/51698
2703         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2704         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2705         (BT_FN_VOID_PTR_INT_SIZE): New.
2706         (BT_FN_UINT_UINT_VAR): Remove.
2707         (BT_FN_UINT32_UINT32_VAR): New.
2708         (BT_FN_DOUBLE_VPTR): Remove.
2709         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2710
2711         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2712         (_ITM_changeTransactionMode): Same.
2713         (_ITM_memmoveRtWt): Change return type to void.
2714         (_ITM_memcpyRtWt): Same.
2715         (_ITM_memsetW): Same.
2716         (_ITM_RaRD): Change types to double.
2717         (_ITM_RD): Same.
2718         (_ITM_RaWD): Same.
2719         (_ITM_RfWD): Same.
2720
2721         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2722
2723 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2724             Patrick Marlier  <patrick.marlier@gmail.com>
2725
2726         * trans-mem.c (requires_barrier): Do not instrument thread local
2727         variables and emit save/restore for them.
2728
2729 2012-01-24  Jason Merrill  <jason@redhat.com>
2730
2731         PR c++/51812
2732         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2733         output static aliases.
2734
2735 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2736
2737         PR driver/47249
2738         * common.opt (-pie, -shared, pie, shared): Change from Common to
2739         Driver.
2740         * gcc.c (display_help): Display help for -pie and -shared.
2741
2742 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2743
2744         PR target/49868
2745         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2746         Remove note on size/offset limitation.
2747         (AVR Variable Attributes): Add example how to read data located
2748         with progmem.  Refer to named address spaces.
2749         * doc/invoke.texi (AVR Options): Fix typo.
2750
2751 2012-01-24  Richard Guenther  <rguenther@suse.de>
2752
2753         Forward-port to trunk
2754         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2755
2756         PR middle-end/45678
2757         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2758         op0 isn't sufficiently aligned and there is movmisalignM
2759         insn for mode, use it to load op0 into a temporary register.
2760
2761 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2762
2763         PR target/51957
2764         * target.def (const_not_ok_for_debug_p): New hook.
2765         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2766         documentation.
2767         * doc/tm.texi: Regenerated.
2768         * dwarf2out.c (const_ok_for_output_1): If
2769         targetm.const_not_ok_for_debug_p returns true, fail.
2770         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2771         function.
2772         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2773
2774 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2775
2776         PR target/51900
2777         * config/i386/predicates.md (symbolic_operand): Allow
2778         UNSPEC_PCREL as PIC expression for lea.
2779         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2780         * config/i386/i386.c (ix86_delegitimize_address): Handle
2781         UNSPEC_PCREL for none-MEM, too.
2782
2783 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2784
2785         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2786         (ipa_tm_create_version_alias): Same.
2787
2788 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2789
2790         PR libitm/51830
2791         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2792         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2793
2794 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2795             Patrick Marlier  <patrick.marlier@gmail.com>
2796             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2797
2798         PR lto/51916
2799         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2800         simple_object_start_read.
2801
2802 2012-01-23  Richard Guenther  <rguenther@suse.de>
2803
2804
2805         PR tree-optimization/51895
2806         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2807         parameter decomposition into BLKmode components.
2808
2809 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2810
2811         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2812         fake variables for restrict-qualified pointers whose pointed-to type
2813         contains a placeholder.
2814
2815 2012-01-23  Richard Guenther  <rguenther@suse.de>
2816
2817         PR tree-optimization/51949
2818         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2819
2820 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2821
2822         PR rtl-optimization/51933
2823         * ree.c (transform_ifelse): Return true right away if dstreg is
2824         already wider or equal to cand->mode.
2825         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2826         (make_defs_and_copies_lists): Remove defs_list and copies_list
2827         arguments, add state argument, just truncate state->work_list
2828         instead of always allocating and freeing the vector.  Assert that
2829         get_defs succeeds instead of returning 2.  Changed return type to bool.
2830         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2831         have ext_src_mode, see if it has been modified already with the
2832         right kind of extension and has been extended before from the
2833         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2834         just return true.  Remember the original mode in state->modified array.
2835         (combine_reaching_defs): Add state argument.  Don't allocate and
2836         free here def_list, copied_list and vec vectors, instead just
2837         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2838         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2839         Add state variable, clear vectors in it, initialize state.modified
2840         if needed.  Free all the vectors at the end and state.modified too.
2841         Don't skip a candidate if the extension expression has been modified.
2842
2843 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2844
2845         PR target/47096
2846         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2847          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2848         (extra_options) interix.opt -> i386/interix.opt"
2849         (extra_objs):Add winnt-stubs.o
2850         * configure.ac: Add interix to target_os .comm on PE check.
2851         * configure: Regenerate.
2852         * config/interix3.h: Delete and move bits to..
2853         * config/interix.h: Delete and move bits to..
2854         * config/i386/i386-interix3.h: Delete and move bits to..
2855         * config/i386/i386-interix.h: ..here.
2856         (TARGET_CPU_DEFAULT): Remove redefinition.
2857         (TARGET_ASM_CONSTRUCTOR): Undefine.
2858         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2859         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2860         (PTRDIFF_TYPE): Define.
2861         (LONG_DOUBLE_TYPE_SIZE): Define.
2862         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2863         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2864         (TARGET_SECTION_TYPE_FLAGS): Define.
2865         (ASM_DECLARE_FUNCTION_NAME): Define.
2866         (ASM_OUTPUT_EXTERNAL): Define.
2867         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2868         (ASM_OUTPUT_ALIGNED_BSS): Define.
2869         (PCC_BITFIELD_TYPE_MATTERS): Define.
2870         (USE_CONST_SECTION): Define.
2871         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2872         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2873         (SUPPORTS_ONE_ONLY): Remove.
2874         (I386_PE_STRIP_ENCODING): Define.
2875         * config/interix.opt: Delete and move bits to..
2876         * config/i386/interix.opt: ..here. New.
2877         (mpe-aligned-commons): Add.
2878         * config/i386/t-interix: Add copyright header.
2879         (winnt-stubs.o): Add rule.
2880
2881 2012-01-22  Jason Merrill  <jason@redhat.com>
2882
2883         PR c++/51832
2884         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2885         for extra name aliases.
2886
2887 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2888
2889         PR rtl-optimization/51924
2890         * ree.c (combine_set_extension): Improve debugging message.
2891         (combine_reaching_defs): Likewise.
2892         (get_defs): Rename confusingly named variable.
2893         (find_and_remove_re): Skip a candidate if the extension expression has
2894         been modified.
2895
2896 2012-01-21  Robert Millan  <rmh@gnu.org>
2897             Gerald Pfeifer  <gerald@pfeifer.com>
2898
2899         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2900         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2901
2902 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2903
2904         PR tree-optimization/51914
2905         * tree-vect-stmts.c (vectorizable_conversion): For
2906         cvt_type && modifier == WIDEN, put temporary with cvt_type
2907         at the beginning of vec_dsts and set vec_dest to temporary
2908         with vectype_out.
2909
2910 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2911
2912         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2913
2914 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2915
2916         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2917         * config/rs6000/rs6000.c: Likewise.
2918
2919 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2920
2921         PR target/51915
2922         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2923         output_move_double on a copy of operands array.
2924
2925 2012-01-20  Cary Coutant  <ccoutant@google.com>
2926             Dodji Seketeli  <dodji@redhat.com>
2927
2928         PR debug/45682
2929         * dwarf2out.c (copy_declaration_context): Return ref to parent
2930         of declaration DIE, if necessary.
2931         (remove_child_or_replace_with_skeleton): Add new parameter; update
2932         caller.  Place skeleton DIE under parent DIE of original declaration.
2933         Move call to copy_declaration_context to here ...
2934         (break_out_comdat_types): ... from here.
2935
2936 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2937
2938         PR rtl-optimization/51856
2939         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2940         flag to reloaded.
2941
2942 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2943
2944         PR target/51819
2945         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2946         hints for neon loads and stores.
2947
2948 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2949
2950         PR target/49868
2951         PR target/50887
2952         * doc/extend.texi (Named Address Spaces): Split into subsections.
2953         (AVR Named Address Spaces): New subsection.
2954         (M32C Named Address Spaces): New subsection.
2955         (RL78 Named Address Spaces): New subsection.
2956         (SPU Named Address Spaces): New subsection.
2957         (Variable Attributes): New anchor "AVR Variable Attributes".
2958         (AVR Variable Attributes): Rewrite and avoid wording
2959         "address space" in this context.
2960         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2961         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2962         (AVR Built-in Macros): New subsubsection therein.
2963         * doc/md.texi (AVR constraints): Remove "C04", "R".
2964
2965 2012-01-20  Richard Guenther  <rguenther@suse.de>
2966
2967         PR tree-optimization/51903
2968         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2969         when removing stmts.
2970
2971 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2972
2973         PR target/50313
2974         * config/arm/arm.c (arm_load_pic_register): Use
2975         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2976         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2977         (arm_pic_static_addr): Likewise.
2978         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2979         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2980         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2981         (pic_load_addr_unified): New.
2982
2983 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2984
2985         PR target/51106
2986         * function.c (instantiate_virtual_regs_in_insn): Use
2987         delete_insn_and_edges when removing a wrong asm insn.
2988
2989 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2990
2991         PR rtl-optimization/40761
2992         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2993         Add new member loop_num.
2994         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2995         (ira_build): Remove the parameter.
2996
2997         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2998         (ira.c): Do not build CFG loops for one region allocation.  Remove
2999         argument from ira_build call.
3000
3001         * ira-build.c (init_loop_tree_node): New function.
3002         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3003         loops are not built.
3004         (more_one_region_p): Check current_loops.
3005         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3006         built.
3007         (add_loop_to_tree): Process loop equal to NULL too.
3008         (form_loop_tree): Separate the case when CFG loops are not built.
3009         Use explicitly number for the root.
3010         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3011         an assertion.
3012         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3013         instead of loop->num.
3014         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3015         (mark_all_loops_for_removal): Ditto.
3016         (remove_unnecessary_regions): Separate the case when CFG loops
3017         are not built.
3018         (ira_build): Remove the parameter.  Use explicit number of regions
3019         when CFG loops are not built.
3020
3021         * ira-color.c (print_loop_title): Separate the case for the root node.
3022         Use loop_num instead of loop->num.
3023         (move_spill_restore): Use loop_num instead of loop->num.
3024
3025         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3026         (change_loop): Ditto.
3027         (change_loop): Use loop_num instead of loop->num.
3028
3029         * ira-lives.c (process_bb_node_lives): Ditto.
3030
3031         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3032
3033         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3034
3035 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR libmudflap/40778
3038         * tree-mudflap.c (mf_artificial): New function.
3039         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3040         mx_register_decls, mudflap_enqueue_decl): Use it.
3041
3042         PR target/51876
3043         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3044         numbers in the insn pattern.
3045
3046 2012-01-19  Michael Matz  <matz@suse.de>
3047
3048         PR tree-optimization/46590
3049         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3050         use it in remembering which conflicts we already created.
3051         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3052         bitmap.
3053
3054 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3055
3056         PR lto/51280
3057         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3058         (merge_and_complain): Same.
3059
3060 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3061
3062         PR bootstrap/50237
3063         * config/initfini-array.h: Guard content of the header
3064         with #ifdef HAVE_INITFINI_ARRAY.
3065         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3066         Add initfini-array.h to tm_file here.
3067         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3068         * config.gcc: Don't add initfini-array.h to tm_file here.
3069         * configure: Regenerated.
3070
3071 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3072
3073         PR rtl-optimization/51505
3074         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3075         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3076         (df_note_bb_compute): Update the call to df_kill_notes.
3077
3078 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3079
3080         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3081
3082 2012-01-18  Richard Guenther  <rguenther@suse.de>
3083
3084         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3085         of conversions to void *.
3086
3087 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3088             Richard Sandiford  <rdsandiford@googlemail.com>
3089
3090         PR middle-end/50325
3091         PR middle-end/51192
3092         * optabs.h (simplify_expand_binop): Declare.
3093         * optabs.c (simplify_expand_binop): Make global.
3094         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3095         endian targets if the source cannot be exactly covered by word
3096         mode chunks.
3097
3098 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3099
3100         PR bootstrap/51872
3101         * hard-reg-set.h (struct hard_reg_set_container): New type.
3102         * target.h (struct hard_reg_set_container): Forward declare.
3103         * target.def (set_up_by_prologue): New target hook.
3104         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3105         * doc/tm.texi: Regenerated.
3106         * function.c (thread_prologue_and_epilogue_insns): Change
3107         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3108         Call targetm.set_up_by_prologue on it.
3109         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3110         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3111
3112 2012-01-17  Nick Clifton  <nickc@redhat.com>
3113
3114         * config/rx/rx.c (rx_can_use_simple_return): New function.
3115         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3116         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3117
3118 2012-01-17  Richard Guenther  <rguenther@suse.de>
3119
3120         PR middle-end/51782
3121         * expr.c (expand_assignment): Take address-space information
3122         from the address operand of MEM_REF and TARGET_MEM_REF.
3123         (expand_expr_real_1): Likewise.
3124
3125 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3126
3127         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3128         reload dump is requested.
3129
3130 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3131
3132         PR other/51165
3133         * trans-mem.c (requires_barrier): Call may_be_aliased.
3134
3135 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3136
3137         PR tree-optimization/51877
3138         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3139         call arguments and fndecls compare equal, instead return false if they
3140         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3141         both SSA_NAMEs that are valueized the same, or they satisfy
3142         operand_equal_p.
3143
3144 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3145
3146         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3147         Solaris 11+.
3148         * configure: Regenerate.
3149
3150 2012-01-16  Jan Hubicka  <jh@suse.cz>
3151
3152         PR c/12245
3153         PR c++/14179
3154         * convert.c (convert_to_integer): Use fold_convert for
3155         converting an INTEGER_CST to integer type.
3156
3157 2012-01-16  Jason Merrill  <jason@redhat.com>
3158
3159         PR c++/14179
3160         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3161
3162 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3163
3164         PR bootstrap/51860
3165         * config/s390/s390.c (s390_chunkify_start): Don't skip
3166         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3167         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3168         If insn is followed by NOTE_INSN_VAR_LOCATION or
3169         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3170         Don't use location of note insns.
3171
3172         PR tree-optimization/51865
3173         * tree-inline.c (tree_function_versioning): Call remap_decl
3174         on DECL_RESULT whenever it has VOID_TYPE_P type.
3175
3176 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3177
3178         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3179         for calls to locally-binding MIPS16 functions if only the return
3180         type uses float regs.
3181
3182 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3183             Richard Sandiford  <rdsandiford@googlemail.com>
3184
3185         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3186         (SYMBOL_32_HIGH): Likewise.
3187         (mips_output_tls_reloc_directive): Declare.
3188         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3189         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3190         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3191         (mips_lo_relocs, mips_hi_relocs): Make extern.
3192         (mips16_stub_function): Move up file.
3193         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3194         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3195         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3196         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3197         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3198         (mips_get_tp): Add MIPS16 support.
3199         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3200         Generalize DTPREL and TPREL handling.
3201         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3202         Add MIPS16 TLS support.
3203         (mips_output_tls_reloc_directive): New function.
3204         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3205         * config/mips/predicates.md (symbolic_operand_with_high)
3206         (tls_reloc_operand): New predicates.
3207         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3208         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3209         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3210         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3211         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3212         (*tls_get_tp_mips16_call_<mode>): Likewise.
3213
3214 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3215
3216         PR rtl-optimization/51821
3217         * recog.c (peep2_find_free_register): Determine clobbered registers
3218         from insn pattern.
3219
3220 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3221
3222         PR target/50925
3223         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3224         * config/avr/avr.c: Likewise.
3225         * config/avr/avr.h: Likewise.
3226
3227 2012-01-13  Ian Lance Taylor  <iant@google.com>
3228
3229         PR c++/50012
3230         * tree.h (TYPE_QUALS): Add cast to int.
3231         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3232
3233 2012-01-13  Ian Lance Taylor  <iant@google.com>
3234
3235         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3236         comparing param_index to VEC_length result.
3237
3238 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3239
3240         * c-decl.c: Do not include tree-mudflap.h
3241         * tree-optimize.c: Likewise.
3242         * Makefile.in: Update dependencies.
3243
3244 2012-01-13  Richard Guenther  <rguenther@suse.de>
3245
3246         PR middle-end/8081
3247         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3248         variable-sized result always use RSO.
3249
3250 2012-01-12  DJ Delorie  <dj@redhat.com>
3251
3252         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3253         pointer type, not just the default pointer type.
3254
3255 2012-01-09  Richard Henderson  <rth@redhat.com>
3256             Denis Chertykov  <chertykov@gmail.com>
3257
3258         PR target/50925
3259         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3260         * config/avr/avr.c (avr_can_eliminate): Simplify.
3261         (avr_initial_elimination_offset): Likewise.
3262         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3263         (expand_epilogue): Likewise.
3264         (avr_legitimize_address): Gut.
3265         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3266         (avr_hard_regno_nregs): New.
3267         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3268         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3269         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3270         add soft frame pointer.
3271         (CALL_USED_REGISTERS): Likewise.
3272         (REG_CLASS_CONTENTS): Likewise.
3273         (REGISTER_NAMES): Likewise.
3274         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3275         (HARD_FRAME_POINTER_REGNUM): New.
3276         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3277         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3278         remove the HARD_FRAME_POINTER self-elimination.
3279
3280 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3281
3282         PR target/51756
3283         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3284         DECL_EXTERNAL when checking for initializers of progmem variables.
3285
3286 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3287
3288         PR tree-optimization/51799
3289         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3290         that the last operation is a type demotion.
3291
3292 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3293
3294         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3295         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3296
3297 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3298
3299         PR bootstrap/51796
3300         * combine.c (distribute_notes): If i3 is a noreturn call,
3301         allow old_size to be equal to args_size and make sure the
3302         noreturn call gets REG_ARGS_SIZE note.
3303         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3304         on noreturn calls even when the delta is 0.
3305
3306 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3307
3308         * gcov.c (STRING_SIZE): Remove.
3309         (generate_results): Erase annotations for source files with no
3310         coverage information.
3311         (read_line): New.
3312         (output_lines): Use it.
3313
3314 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3315
3316         * gimple.h (gimplify_body): Remove first argument.
3317         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3318         pointer set here, instead just pass DATA to walk_tree.
3319         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3320         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3321         (unvisit_body): Likewise, but with unmark_visited.
3322         (gimplify_body): Remove BODY_P argument and adjust.
3323         (gimplify_function_tree): Adjust call to gimplify_body.
3324         * omp-low.c (finalize_task_copyfn): Likewise.
3325
3326 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3327
3328         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3329         (build_function_type_skip_args): Delete.
3330         * tree.c (build_function_type_skip_args): Make static and add
3331         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3332         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3333         pass it to build_function_type_skip_args.
3334         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3335         (tree_function_versioning): Likewise.
3336         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3337         build_function_decl_skip_args.
3338         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3339         and pass it to build_function_decl_skip_args/tree_function_versioning.
3340         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3341         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3342         * trans-mem.c (ipa_tm_create_version): Likewise.
3343         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3344         * tree-inline.c (declare_return_variable): Remove always-true test.
3345         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3346         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3347         * ipa-split.c (split_function): Skip the return value for the split
3348         part if it doesn't return.
3349
3350 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3351
3352         PR tree-optimization/49642
3353         * ipa-split.c (forbidden_dominators): New variable.
3354         (check_forbidden_calls): New function.
3355         (dominated_by_forbidden): Likewise.
3356         (consider_split): Check for forbidden dominators.
3357         (execute_split_functions): Initialize and free forbidden
3358         dominators info; call check_forbidden_calls.
3359
3360 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3361
3362         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3363
3364 2012-01-11  Nick Clifton  <nickc@redhat.com>
3365
3366         * config/rx/rx.md (return): Define pattern.
3367
3368 2012-01-11  Richard Guenther  <rguenther@suse.de>
3369
3370         * doc/extend.texi (malloc attribute): Adjust according to
3371         implementation.
3372
3373 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3374             Patrick Marlier  <patrick.marlier@gmail.com>
3375
3376         PR middle-end/51516
3377         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3378         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3379         (ipa_tm_note_irrevocable): Same.
3380         (ipa_tm_scan_irr_block): Same.
3381         (ipa_tm_decrement_clone_counts): Same.
3382         (ipa_tm_scan_irr_function): Same.
3383         (ipa_tm_create_version_alias): Same.
3384         (ipa_tm_create_version): Same.
3385         (ipa_tm_transform_calls_redirect): Same.
3386         (ipa_tm_transform_calls): Same.
3387         (ipa_tm_transform_transaction): Same.
3388         (ipa_tm_execute): Same.
3389
3390 2012-01-10  Richard Guenther  <rguenther@suse.de>
3391
3392         PR middle-end/51806
3393         * opts.c (common_handle_option): Handle -Werror.
3394
3395 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3396
3397         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3398         operand number.
3399
3400 2012-01-10  Jason Merrill  <jason@redhat.com>
3401
3402         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3403         information.
3404
3405 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3406
3407         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3408         supports R_386_TLS_GD_PLT reloc.
3409         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3410         supports R_386_TLS_LDM_PLT reloc.
3411         * configure: Regenerate.
3412         * config.in: Regenerate.
3413
3414 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3415
3416         PR target/49868
3417         Extend __pgmx semantics to linearize memory.
3418         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3419         determine if code comes inline or from libgcc.
3420         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3421         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3422         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3423         (movmemx_qi, movmemx_hi): New insns.
3424         (xload_<mode>_libgcc): Rewrite to new insn condition.
3425         (xload_<mode>): Remove insns.
3426         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3427         cases that don't satisfy avr_xload_libgcc_p().
3428         (avr_addr_space_convert): Allow converting in any direction.
3429         (avr_addr_space_subset_p): Return always true.
3430         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3431         (avr_emit_movmemhi): Ditto.
3432         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3433         (avr_out_movmem): Ditto.
3434         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3435         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3436         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3437         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3438         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3439
3440 2012-01-10  Richard Guenther  <rguenther@suse.de>
3441
3442         PR tree-optimization/50913
3443         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3444         Require data-refs to be representable by Graphite with respect
3445         to any loop nest.
3446
3447 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3448
3449         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3450         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3451
3452 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3453
3454         PR rtl-optimization/51271
3455         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3456         handling annulled branch.
3457
3458 2012-01-10  Richard Henderson  <rth@redhat.com>
3459
3460         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3461         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3462         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3463         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3464         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3465         arm_expand_vec_perm_const): New.
3466         * config/arm/arm-protos.h: Update.
3467         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3468         (*neon_vswp<VDQX>): New.
3469         (neon_vcombine<VDX>): Use neon_split_vcombine.
3470         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3471         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3472         (vec_perm<VE>): New.
3473
3474 2012-01-10  Richard Henderson  <rth@redhat.com>
3475
3476         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3477         use it if reload_completed.
3478         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3479         arm_output_asm_insn, arm_process_output_memory_barrier,
3480         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3481         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3482         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3483         arm_process_output_sync_insn, arm_output_sync_insn,
3484         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3485         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3486         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3487         (emit_unlikely_jump): New.
3488         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3489         (arm_split_atomic_op): New.
3490         * config/arm/arm-protos.h: Update.
3491         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3492         (struct arm_sync_generator): Remove.
3493         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3494         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3495         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3496         (VUNSPEC_LL, VUNSPEC_SC): New.
3497         (sync_result, sync_memory, sync_required_value, sync_new_value,
3498         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3499         (attr length): Don't use arm_sync_loop_insns.
3500         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3501         (movsfcc, movdfcc): Likewise.
3502         * config/arm/constraints.md (Ua): New.
3503         * config/arm/prediates.md (mem_noofs_operand): New.
3504         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3505         (sync_clobber, sync_t2_reqd): Remove.
3506         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3507         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3508         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3509         (arm_sync_compare_and_swap<SIDI>): Remove.
3510         (arm_sync_compare_and_swap<NARROW>): Remove.
3511         (arm_sync_lock_test_and_set<SIDI>): Remove.
3512         (arm_sync_lock_test_and_set<NARROW>): Remove.
3513         (arm_sync_new_<syncop><SIDI>): Remove.
3514         (arm_sync_new_<syncop><NARROW>): Remove.
3515         (arm_sync_new_nand<SIDI>): Remove.
3516         (arm_sync_new_nand<NARROW>): Remove.
3517         (arm_sync_old_<syncop><SIDI>): Remove.
3518         (arm_sync_old_<syncop><NARROW>): Remove.
3519         (arm_sync_old_nand<SIDI>): Remove.
3520         (arm_sync_old_nand<NARROW>): Remove.
3521         (*memory_barrier): Merge arm_output_memory_barrier.
3522         (atomic_compare_and_swap<QHSD>): New.
3523         (atomic_compare_and_swap<NARROW>_1): New.
3524         (atomic_compare_and_swap<SIDI>_1): New.
3525         (atomic_exchange<QHSD>): New.
3526         (cas_cmp_operand, cas_cmp_str): New.
3527         (atomic_op_operand, atomic_op_str): New.
3528         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3529         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3530         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3531         (arm_load_exclusive<NARROW>): New.
3532         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3533         (arm_store_exclusive<QHSD>): New.
3534
3535 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3536
3537         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3538         reload patterns if -mvsx-scalar-memory.
3539
3540         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3541         generated, even -mno-vsx-scalar-double was used.
3542         (vsx_xscvdpsp_scalar): Likewise.
3543         (vsx_xscvspdp_scalar2): Likewise.
3544
3545 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3546             Andrew Pinski  <apinski@cavium.com>
3547
3548         PR debug/51471
3549         * reorg.c (fill_slots_from_thread): Don't speculate
3550         frame-related insns.
3551
3552 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3553
3554         * sched-int.h (bb_note): Move to...
3555         * basic-block.h: ...here.
3556         * haifa-sched.c (bb_note): Move to...
3557         * cfgrtl.c: ...here.
3558         * function.c (next_block_for_reg): New function.
3559         (move_insn_for_shrink_wrap): Likewise.
3560         (prepare_shrink_wrap): Rewrite to use the above.
3561
3562 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3563
3564         * gimple.c (is_gimple_non_addressable): Remove.
3565         * gimple.h: Remove is_gimple_non_addressable.
3566         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3567         is_gimple_non_addressable.
3568         * trans-mem.c (expand_assign_tm): Same.
3569
3570 2012-01-09  Richard Guenther  <rguenther@suse.de>
3571
3572         PR tree-optimization/51775
3573         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3574         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3575
3576 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3577
3578         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3579         tuning parameters.
3580         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3581
3582 2012-01-09  Richard Guenther  <rguenther@suse.de>
3583
3584         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3585
3586 2012-01-08  Jan Hubicka  <jh@suse.cz>
3587
3588         PR tree-optimize/51680
3589         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3590         on when known_vals needs to be computed; cleanup.
3591
3592 2012-01-08  Jan Hubicka  <jh@suse.cz>
3593
3594         PR tree-optimize/51694
3595         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3596
3597 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3598
3599         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3600         for -std=c++98 and -std=c++11 too.
3601
3602 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3603
3604         * cfgloop.c (cancel_loop): Add free() of bbs array.
3605
3606 2012-01-07  Jan Hubicka  <jh@suse.cz>
3607
3608         PR tree-optimization/51600
3609         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3610         that benefits small functions.
3611
3612 2012-01-07  Jan Hubicka  <jh@suse.cz>
3613
3614         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3615
3616 2012-01-07  Jan Hubicka  <jh@suse.cz>
3617
3618         PR tree-optimization/51680
3619         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3620         whose inlining reduce unit size.
3621
3622 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3623
3624         PR bootstrap/51725
3625         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3626         Add canonical node to containing_mem chain after the non-canonical
3627         one, even if there weren't any locs to propagate.
3628         (remove_useless_values): Keep only canonical values.
3629         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3630         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3631         canonicalize mem_chain elements that are not discarded.
3632
3633 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3634
3635         PR target/47333
3636         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3637         before emitting functions.
3638
3639         PR gcov-profile/50127
3640         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3641         clear_aux_for_blocks.
3642
3643 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3644
3645         PR debug/51746
3646         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3647
3648 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3649
3650         * c-decl.c (ext_block): Moved up.
3651         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3652
3653 2012-01-06  Han Shen  <shenhan@google.com>
3654
3655         Translate built-in include paths for sysroot.
3656         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3657         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3658
3659         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3660         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3661
3662         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3663         control whether sysroot should be prepended to gxx include dir.
3664
3665         * configure: Regenerate.
3666
3667 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3668
3669         PR rtl-optimization/51771
3670         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3671         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3672
3673 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3674
3675         PR tree-optimization/51315
3676         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3677         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3678
3679 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3680
3681         PR target/51681
3682         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3683         for shrp pattern.  Correctly handle and fixup shift variable.
3684         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3685
3686 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3687
3688         PR debug/51762
3689         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3690         note when !ACCUMULATE_OUTGOING_ARGS.
3691
3692 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3693
3694         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3695         condition.
3696         (extract_range_from_unary_expr_1): Avoid useless computations.
3697
3698 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3699
3700         PR rtl-optimization/51767
3701         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3702         of jump_block and add an extra edge for degenerated asm gotos.
3703
3704         PR middle-end/51768
3705         * stmt.c (check_unique_operand_names): Don't ICE during error
3706         reporting if i is from labels chain.
3707
3708         PR middle-end/44777
3709         * profile.c (branch_prob): Split bbs that have exit edge
3710         and need a fake entry edge too.
3711
3712 2012-01-05  Jan Hubicka  <jh@suse.cz>
3713
3714         PR middle-end/49710
3715         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3716         unlooping loops.
3717
3718 2012-01-05  Richard Guenther  <rguenther@suse.de>
3719
3720         PR lto/50490
3721         * tree-streamer-out.c (write_ts_optimization): New function.
3722         (streamer_write_tree_body): Call it.
3723         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3724         (streamer_read_tree_body): Call it.
3725         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3726
3727 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3728
3729         PR middle-end/51761
3730         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3731         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3732         in_cleanup_point_expr before gimplify_stmt call and restore it
3733         afterwards.
3734         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3735         in_cleanup_point_expr is false.
3736
3737 2012-01-05  Richard Guenther  <rguenther@suse.de>
3738
3739         PR middle-end/51764
3740         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3741         to c.opt.
3742         * toplev.c (process_options): Reject combining mudflap and LTO.
3743         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3744
3745 2012-01-05  Richard Guenther  <rguenther@suse.de>
3746
3747         PR tree-optimization/51760
3748         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3749         not VARYING.
3750         (bit_value_unop): Handle UNDEFINED operands.
3751         (bit_value_binop): Likewise.
3752
3753 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3754
3755         * config/avr/avr.c (avr_replace_prefix): Remove.
3756         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3757         (avr_asm_function_rodata_section): Ditto.
3758         (avr_asm_select_section): Ditto.
3759
3760 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3761
3762         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3763         insertion.
3764
3765 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3766
3767         PR bootstrap/51648
3768         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3769         calls that have any non-fake successor edges.
3770
3771         PR debug/51746
3772         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3773
3774 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3775
3776         PR tree-optimization/51624
3777         * tree-sra.c (build_ref_for_model): When replicating a chain of
3778         COMPONENT_REFs, stop as soon as the offset would become negative.
3779
3780 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3781
3782         PR debug/51695
3783         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3784         in .debug_loc on the floor.
3785
3786 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3787
3788         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3789
3790 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3791             Adam Nemet  <anemet@caviumnetworks.com>
3792
3793         * config/mips/mips.md (size): Add SI and DI.
3794         (SIZE): New mode attribute.
3795         (U): New code attribute.
3796         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3797         (mips_lbux_<mode>): Delete.
3798         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3799         (mips_lhx): Use gen_mips_lhx_extsi.
3800         (mips_lhx_<mode>): Delete.
3801         (mips_lwx): Delete.
3802         (mips_l<size>x): New expand.
3803         (mips_lwx_<mode>): Delete.
3804         (mips_l<GPR:size>x_<P:mode>): New pattern.
3805         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3806         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3807         * config/mips/mips.c (mips_lx_address_p): New function.
3808         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3809         (dsp64): New availability predicate.
3810         (mips_builtins): Add an entry for __builtin_mips_ldx.
3811         * config/mips/mips.h (ISA_HAS_LBX): New define.
3812         (ISA_HAS_LBUX): Likewise.
3813         (ISA_HAS_LHX): Likewise.
3814         (ISA_HAS_LHUX): Likewise.
3815         (ISA_HAS_LWX): Likewise.
3816         (ISA_HAS_LWUX): Likewise.
3817         (ISA_HAS_LDX): Likewise.
3818         * doc/extend.texi (__builtin_mips_ldx): Document.
3819
3820 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3821
3822         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3823         when long pointers are used.
3824         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3825         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3826         (ia64-hp-*vms*): Remove.
3827         * config/vms/xm-vms64.h: Delete.
3828
3829 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3830
3831         PR middle-end/51472
3832         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3833
3834 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3835
3836         * opts.c (finish_options): Remove duplicate sorry.
3837
3838 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3839
3840         PR middle-end/51696
3841         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3842         correctly.
3843
3844 2012-01-04  Richard Guenther  <rguenther@suse.de>
3845
3846         PR middle-end/51750
3847         * tree.c (size_low_cst): New function.
3848         * tree.h (size_low_cst): Declare.
3849         * fold-const.c (fold_comparison): Use it to extract the low
3850         part of the POINTER_PLUS_EXPR offset.
3851
3852 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3853
3854         Fix clearing ZERO_REG
3855         * config/avr/avr.md (cc): Add alternative "ldi".
3856         (movqi_insn): Use it in cc attribute.
3857         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3858         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3859         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3860
3861 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3862
3863         * configure: Regenerate.
3864
3865 2012-01-04  Richard Guenther  <rguenther@suse.de>
3866
3867         PR tree-optimization/49651
3868         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3869         (var_can_have_subvars): Use it.
3870         (get_constraint_for_1): Only consider subfields if there can be any.
3871
3872 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3873
3874         PR bootstrap/51725
3875         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3876         to its new canonical_cselib_val and the cselib_val was in
3877         first_containing_mem chain, but the canonical_cselib_val was not,
3878         add the latter into the chain.
3879         (cselib_invalidate_mem): Compare canonical_cselib_val of
3880         addr_list chain elt with v.
3881
3882         PR pch/51722
3883         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3884         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3885         of xstrdup.
3886         (output_macinfo_op): Don't ggc_strdup fd->filename.
3887         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3888         then ggc_strdup it.  Don't free inc->info or cur->info.
3889         (output_macinfo): Don't free ref->info or file->info.
3890
3891 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3892
3893         PR tree-optimization/51269
3894         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3895         first_niters a pointer.
3896         (slpeel_tree_peel_loop_to_edge): Likewise.
3897         (vect_do_peeling_for_loop_bound): Update call to
3898         slpeel_tree_peel_loop_to_edge.
3899         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3900         here.  Remove it from the parameters list.
3901         (vect_do_peeling_for_alignment): Update calls and compute
3902         wide_prolog_niters.
3903
3904 2012-01-03  Richard Guenther  <rguenther@suse.de>
3905
3906         PR tree-optimization/51070
3907         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3908         Properly handle calls.
3909
3910 2012-01-03  Richard Guenther  <rguenther@suse.de>
3911
3912         PR tree-optimization/51692
3913         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3914         the LHS of allocation stmts.
3915
3916 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3917
3918         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3919
3920 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3921
3922         * collect2.c (main): In AIX specific computations for vector
3923         insertions, use CONST_CAST2 to cast from char ** to const char **.
3924
3925 2012-01-03  Richard Guenther  <rguenther@suse.de>
3926
3927         PR debug/51650
3928         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3929         the context of a limbo DIE when it does not already exist.
3930
3931 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3932
3933         PR tree-optimization/51719
3934         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3935         but direct call is, clear direct call's lhs and don't add fallthrough
3936         edge from dcall_bb to join_bb and PHIs.
3937
3938 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3939
3940         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3941         the instructions emitted by the pattern.
3942         ("*TDC_insn_<mode>"): Add comment.
3943
3944 2012-01-03  Richard Guenther  <rguenther@suse.de>
3945
3946         PR middle-end/51730
3947         * fold-const.c (fold_comparison): Properly canonicalize
3948         tree offset and HOST_WIDE_INT bit position.
3949
3950 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3951
3952         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3953         operands for extzv pattern.
3954
3955 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3956
3957         PR bootstrap/51725
3958         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3959         on mem_elt first.
3960
3961 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3962
3963         * doc/invoke.texi (-flto and related options): Copy-edit.
3964
3965 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3966
3967         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3968
3969 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3970
3971         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3972         New patterns.
3973
3974 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3975
3976         * expr.h (move_by_pieces_ninsns): Declare.
3977         * expr.c (move_by_pieces_ninsns): Make external.
3978         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3979         (mips_store_by_pieces_p): Likewise.
3980         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3981         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3982         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3983         (mips_store_by_pieces_p): Likewise.
3984
3985 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3986
3987         * passes.c (register_one_dump_file): Free full_name.
3988
3989         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3990         (calculate_elim_costs_all_insns): Free offsets_at and
3991         offsets_known_at at the end and clear the pointers.
3992
3993 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3994
3995         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3996         this option introduced in r180739.
3997
3998 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3999
4000         PR target/51345
4001         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4002         (tmake_file target=avr): Add avr/t-multilib.
4003
4004         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4005         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4006         * config/avr/genmultilib.awk: New file.
4007         * config/avr/t-multilib: New auto-generated file.
4008         * config/avr/multilib.h: New auto-generated file.
4009         * config/avr/t-avr (AVR_MCUS): New variable.
4010         (genopt.sh): Use it.
4011         (s-mlib): Depend on t-multilib.
4012         (t-multilib, multilib.h): New dependencies.
4013         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4014         (MULTILIB_OPTIONS): Remove.
4015         (MULTILIB_MATCHES): Remove.
4016         (MULTILIB_DIRNAMES): Remove.
4017         (MULTILIB_EXCEPTIONS): Remove:
4018         * config/avr/genopt.sh: Don't use hard coded file name;
4019         pass AVR_MCUS from t-avr instead.
4020
4021 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4022
4023         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4024
4025 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4026
4027         Implement light-weight DImode support.
4028         * config/avr/avr-dimode.md: New file.
4029         * config/avr/avr.md: Include it.
4030         (adjust_len): Add plus64, compare64.
4031         (HIDI): Remove code iterator.
4032         (code_stdname): New code attribute.
4033         (rotx, rotsmode): Remove DI.
4034         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4035         as code iterator.
4036         * config/avr/avr-protos.h (avr_have_dimode): New.
4037         (avr_out_plus64, avr_out_compare64): New.
4038         * config/avr/avr.c (avr_out_compare): Handle DImode.
4039         (avr_have_dimode): New variable definition and initialization.
4040         (avr_out_compare64, avr_out_plus64): New functions.
4041         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4042         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4043         (avr_compare_pattern): Skip DImode comparisons.
4044
4045 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4046
4047         * ddg.c (def_has_ccmode_p): New function.
4048         (add_cross_iteration_register_deps,
4049         create_ddg_dep_from_intra_loop_link): Call it.
4050
4051 2012-01-02  Richard Guenther  <rguenther@suse.de>
4052
4053         PR other/51679
4054         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4055
4056 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4057
4058         * gcc.c (process_command): Update copyright notice dates.
4059         * gcov.c (print_version): Likewise.
4060         * gcov-dump.c (print_version): Likewise.
4061         * mips-tfile.c (main): Likewise.
4062         * mips-tdump.c (main): Likewise.
4063
4064 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4065
4066         PR tree-optimization/51704
4067         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4068         a use is inside the basic block or loop before accessing its vect info.
4069
4070 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4071
4072         PR rtl-optimization/51069
4073         * cfgloopmanip.c (remove_path): Removing path making irreducible
4074         region unconditional makes BB part of the region.
4075
4076 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4077
4078         PR tree-optimization/51683
4079         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4080         calls with side-effects.
4081         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4082 \f
4083 Copyright (C) 2012 Free Software Foundation, Inc.
4084
4085 Copying and distribution of this file, with or without modification,
4086 are permitted in any medium without royalty provided the copyright
4087 notice and this notice are preserved.