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2012-07-04 Tristan Gingold <gingold@adacore.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-04  Tristan Gingold  <gingold@adacore.com>
2
3         Backport from mainline.
4         2012-06-25  Tristan Gingold  <gingold@adacore.com>
5  
6         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
7         (seh_cfa_adjust_cfa): ... that function.
8         (seh_emit_stackalloc): Do not emit out of range values.
9         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
10         UNSPEC_DEF_CFA constants.
11         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
12         * config/i386/i386.c (ix86_frame_pointer_required): Required
13         for very large frames on SEH target.
14         (ix86_compute_frame_layout): Save area is before frame pointer
15         on SEH target.  Handle very large frames.
16         (ix86_expand_prologue): Likewise.
17
18 2012-07-04  Richard Guenther  <rguenther@suse.de>
19
20         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
21         as in free_lang_data_in_type.
22
23 2012-07-02  Martin Jambor  <mjambor@suse.cz>
24
25         Backport from mainline.
26         2012-07-02  Martin Jambor  <mjambor@suse.cz>
27
28         PR middle-end/38474
29         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
30         dynamic type change check.
31
32 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
33
34         * tree-eh.c (lower_try_finally_switch): Really put the location of the
35         last statement of the finally block onto the switch.
36
37 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
38
39         * configure: Regenerate.
40         Backport from mainline.
41         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
42         * config.gcc (target_type_format_char): New. Document it. Set it for
43         arm*-*-* .
44         * configure.ac (gnu_unique_option): Use target_type_format_char
45         in test.  Comment rationale.
46
47 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
48
49         Backport from mainline.
50         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
51         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
52
53 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
54
55         Backport from 2012-06-28 mainline r189049
56
57         PR 53595
58         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
59         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
60         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
61         avr_hard_regno_call_part_clobbered.
62
63 2012-06-28  Richard Guenther  <rguenther@suse.de>
64
65         PR middle-end/53790
66         * expr.c (expand_expr_real_1): Verify if the type is complete
67         before inspecting its size.
68
69 2012-06-27  Nick Clifton  <nickc@redhat.com>
70
71         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
72         input operand.
73
74 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
75
76         PR debug/53682
77         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
78
79 2012-06-26  Nick Clifton  <nickc@redhat.com>
80
81         * config/rx/rx.md (simple_return): Use the simple_return rtx.
82
83 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
84
85         PR target/53759
86         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
87         of x x x in the vmovlps load alternative.
88
89 2012-06-22  Richard Guenther  <rguenther@suse.de>
90
91         * gcov-iov.c: Include bconfig.h and system.h.
92
93 2012-06-22  Richard Guenther  <rguenther@suse.de>
94
95         PR gcov-profile/53744
96         * gcov-iov.c (main): Treat "" and "prerelease" the same.
97
98 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
99
100         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
101         DECL_IGNORED_P non-reg vars even if they are used.
102
103 2012-06-19  Jason Merrill  <jason@redhat.com>
104
105         PR c++/52637
106         * dwarf2out.c (modified_type_die): Use scope_die_for.
107         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
108         (uses_local_type_r, uses_local_type): New.
109         (scope_die_for): Keep a type that uses a local type in local scope.
110         Use get_context_die for namespace and type scope.
111
112 2012-06-19  Richard Guenther  <rguenther@suse.de>
113
114         PR middle-end/53470
115         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
116         replace it with the first non-BLOCK context.
117
118 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
119
120         PR rtl-optimization/53700
121
122         Backport from mainline
123         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
124
125         * ira-color.c (setup_left_conflict_sizes_p): Process all
126         conflicting objects.
127
128 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
129
130         Backport from mainline
131         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
132
133         PR target/52908
134         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
135         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
136         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
137         instead of xop_mulv2div2di3_low.
138         (xop_p<macs>dql): Fix vec_select selector.
139         (xop_p<macs>dqh): Ditto.
140         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
141         (xop_mulv2div2di3_high): Ditto.
142
143 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
144
145         Backport from mainline:
146         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
147
148         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
149
150 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
151
152         Backport from mainline:
153         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
154
155         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
156         * config/pa/pa.c (pa_attr_length_millicode_call): Use
157         MAX_PCREL17F_OFFSET instead of fixed offset.
158         (pa_attr_length_call): Likewise.
159         (pa_attr_length_indirect_call): Likewise.
160
161 2012-06-15  Walter Lee  <walt@tilera.com>
162
163         Backport from mainline:
164         2012-06-15  Walter Lee  <walt@tilera.com>
165
166         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
167
168         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
169
170         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
171
172 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
173
174         Backport from mainline:
175
176         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
177         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
178         * gimple.h (block_in_transaction): Check for flag_tm.
179
180 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
181
182         PR tree-optimization/52558
183
184         Backport from mainline:
185         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
186         * gimple.h (gimple_set_in_transaction): Remove.
187         (gimple_in_transaction): Look in BB instead.
188         (gimple_statement_base): Remove in_transaction field.
189         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
190         * trans-mem.c (compute_transaction_bits): Place transaction bit
191         information into basic blocks.
192
193         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
194
195         PR tree-optimization/52558
196         * cfg.c (alloc_aux_for_edge): Fix comment.
197         (alloc_aux_for_edge): Remove static.
198         * basic-block.h (alloc_aux_for_edge): Protoize.
199         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
200         (execute_sm_if_changed_flag): New.
201         (execute_sm_if_changed_flag_set): New.
202         (execute_sm): Do not generate data races unless requested.
203         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
204         (tree_ssa_lim_finalize): Call free_aux_for_edges.
205         * gimple.h (block_in_transaction): New.
206         (gimple_in_transaction): Use block_in_transaction.
207
208 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
209
210         Backported from mainline
211         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
212
213         PR rtl-optimization/53589
214         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
215         discovery even when e->dest != target.  If any LABEL_REF points
216         to e->dest label, redirect it to target's label.
217
218         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
219
220         PR middle-end/53580
221         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
222         returns false, replace stmt with GIMPLE_NOP.
223         (check_omp_nesting_restrictions): Instead of issuing warnings,
224         issue errors and return false if any errors were reported.
225
226 2012-06-14  Richard Guenther  <rguenther@suse.de>
227
228         * BASE-VER: Set to 4.7.2.
229         * DEV-PHASE: Set to prerelease.
230
231 2012-06-12  Christian Bruel  <christian.bruel@st.com>
232
233         PR target/53621
234         * config/sh/sh.c (sh_option_override): Don't force
235          flag_omit_frame_pointer and maccumulate_outgoing_args.
236         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
237
238 2012-06-14  Release Manager
239
240         * GCC 4.7.1 released.
241
242 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
243
244         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
245
246 2012-06-13  Richard Henderson  <rth@redhat.com>
247
248         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
249         iterator instead of INT.
250
251 2012-06-08  Richard Henderson  <rth@redhat.com>
252
253         PR c++/53602
254         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
255         note to a clobber insn when no other insn is available.
256
257 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
258
259         PR c++/53524
260         * doc/invoke.texi (Wenum-compare): Update documentation.
261
262 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
263
264         PR target/53559
265         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
266         operands.
267         (altivec_stvlxl): Ditto.
268         (altivec_stvrx): Ditto.
269         (altivec_stvrxl): Ditto.
270
271 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
272
273         PR middle-end/47530
274         * trans-mem.c (expand_block_edges): Do not skip the first
275         statement when resetting the BB.
276
277 2012-06-04  Richard Guenther  <rguenther@suse.de>
278
279         PR middle-end/53471
280         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
281         create new assembler names.
282
283 2012-06-04  Richard Guenther  <rguenther@suse.de>
284
285         Backport from mainline
286         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
287
288         PR middle-end/52979
289         * stor-layout.c (get_best_mode): Don't return mode with bitsize
290         larger than maxbits.  Don't compute maxbits modulo align.
291         Also check that unit bytes long store at bitpos / unit * unit
292         doesn't affect bits beyond bitregion_end.
293         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
294         would not fit into bitregion_start ... bitregion_end + 1 bit
295         region.
296         (store_split_bit_field): Decrease unit close to end of bitregion_end
297         if access is restricted in order to avoid mutual recursion.
298
299 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
300
301         Backport from 2012-06-04 mainline r188172
302
303         PR target/46261
304         * config/avr/avr-stdint.h: New file.
305         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
306         newlib-stdint.h
307
308 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
309
310         PR tree-optimization/53550
311         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
312         is POINTER_TYPE_P, use sizetype as step type instead of type.
313
314 2012-06-04  Richard Guenther  <rguenther@suse.de>
315             Eric Botcazou  <ebotcazou@adacore.com>
316
317         Backport from mainline
318         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
319
320         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
321         Change type of BITOFFSET to signed.  Make sure the lower bound of
322         the computed range is non-negative by adjusting OFFSET and BITPOS.
323         (expand_assignment): Adjust call to get_bit_range.
324
325         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
326
327         * expr.c (get_bit_range): Return the null range if the enclosing record
328         is part of a larger bit field.
329
330         2012-03-20  Richard Guenther  <rguenther@suse.de>
331
332         * stor-layout.c (finish_bitfield_representative): Fallback
333         to conservative maximum size if the padding up to the next
334         field cannot be computed as a constant.
335         (finish_bitfield_layout): If we cannot compute the distance
336         between the start of the bitfield representative and the
337         bitfield member start a new representative.
338         * expr.c (get_bit_range): The distance between the start of
339         the bitfield representative and the bitfield member is zero
340         if the field offsets are not constants.
341
342         2012-03-16  Richard Guenther  <rguenther@suse.de>
343
344         * stor-layout.c (finish_bitfield_representative): Fall back
345         to the conservative maximum size if we cannot compute the
346         size of the tail padding.
347
348         2012-03-14  Richard Guenther  <rguenther@suse.de>
349
350         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
351         * stor-layout.c (start_bitfield_representative): New function.
352         (finish_bitfield_representative): Likewise.
353         (finish_bitfield_layout): Likewise.
354         (finish_record_layout): Call finish_bitfield_layout.
355         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
356         for QUAL_UNION_TYPE fields.
357         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
358         Stream DECL_BIT_FIELD_REPRESENTATIVE.
359         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
360
361         PR middle-end/52080
362         PR middle-end/52097
363         PR middle-end/48124
364         * expr.c (get_bit_range): Unconditionally extract bitrange
365         from DECL_BIT_FIELD_REPRESENTATIVE.
366         (expand_assignment): Adjust call to get_bit_range.
367
368 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
369
370         PR middle-end/53501
371         * fold-const.c (fold_binary_loc): Refine previous change.
372
373 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
374
375         Backport from mainline
376         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
377
378         PR target/52667
379         * config/sh/sh.c (find_barrier): Add equality check of last_got to
380         avoid going above orig insn.  Update comments.
381
382 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
383
384         Backport from mainline
385         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
386
387         PR target/52642
388         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
389         prologue for unwinder and profiler.
390
391 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
392
393         Backport from mainline
394         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
395
396         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
397
398 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
399
400         Backport from mainline
401         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
402
403         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
404         DBX_REGISTER_NUMBER.
405
406 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
407
408         Backport from mainline
409         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
410
411         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
412         operand is CONST_INT.  Take COSTS_N_INSNS into account.
413         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
414         shiftcosts.     
415
416 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
417
418         * config/avr/avr.opt (-msp8): Document it.
419         * doc/invoke.texi (AVR Options): Copy from trunk docu.
420
421 2012-05-31  Richard Guenther  <rguenther@suse.de>
422
423         PR middle-end/48493
424         * expr.c (expand_assignment): Do not use movmisalign on
425         non-memory.
426
427 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
428
429         PR target/52999
430         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
431         (pa_section_type_flags): New.
432         (pa_legitimate_constant_p): Revert previous change.
433
434 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
435
436         Backport from mainline
437         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
438
439         PR middle-end/53008
440         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
441         accessed indirectly.
442         (ipa_tm_create_version): Same.
443
444 2012-05-30  Jason Merrill  <jason@redhat.com>
445
446         PR c++/53220
447         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
448         about array compound literals.
449
450 2012-05-30  Richard Guenther  <rguenther@suse.de>
451
452         PR middle-end/53501
453         * fold-const.c (fold_binary_loc): Make sure to call
454         fold_plusminus_mult_expr with the original sign of operands.
455
456 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
457
458         * explow.c (probe_stack_range): Restore simple control flow and stop
459         again when the probe cannot be generated if HAVE_check_stack.
460
461 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
462
463         PR rtl-optimization/53519
464         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
465         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
466
467 2012-05-29  Richard Guenther  <rguenther@suse.de>
468
469         PR tree-optimization/53516
470         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
471         bitfield accesses.
472         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
473
474 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
475
476         Backport from mainline
477         2012-05-28  Richard Guenther  <rguenther@suse.de>
478
479         PR tree-optimization/53438
480         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
481
482 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
483
484         Backport from mainline
485         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
486
487         PR rtl-optimization/52528
488         * combine.c (can_combine_p): Add setting of subst_low_luid
489         before call to expand_field_assignment().
490
491 2012-05-26  Martin Jambor  <mjambor@suse.cz>
492
493         Backport from mainline
494         2012-05-23  Martin Jambor  <mjambor@suse.cz>
495
496         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
497
498 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
499
500         PR lto/52178
501         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
502         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
503
504 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
505
506         PR target/53435
507         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
508         (ix86_expand_vec_perm): Use int mode instead of float.
509
510 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
511
512         PR ada/52362
513         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
514         gnu_ld variables to yes.
515         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
516         (HAVE_GNU_AS): Likewise.
517         * config.in: Regenerate.
518         * configure: Likewise.
519
520 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
521
522         Backport from mainline
523         2012-03-12  Richard Guenther  <rguenther@suse.de>
524         * config/arm/arm.c (neon_dereference_pointer): Do not call
525         covert during RTL expansion.
526
527 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
528
529         Backport from mainline
530         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
531
532         PR target/53385
533         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
534         relied on signed overflow behavior.
535
536 2012-05-24  Richard Guenther  <rguenther@suse.de>
537
538         PR middle-end/53460
539         * tree-profile.c (tree_profiling): Cleanup the CFG if
540         execute_fixup_cfg requests it.
541
542 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
543
544         PR tree-optimization/53465
545         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
546         vr0 into *vr, then vrp_meet that.
547         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
548         have any equivalences.
549         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
550         first time.
551
552 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
553
554         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
555         size handling.
556         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
557         (iterative_hash_gimple_type): Adjust comment.
558         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
559         domain for an array type instead of the domain type itself.
560
561 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
562
563         Backport from 2012-05-23 mainline r187803
564
565         PR target/53448
566         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
567         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
568         ASM_OUTPUT_ALIGN.
569
570 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
571
572         Backport from 2012-05-03 mainline r187075
573
574         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
575         has_fma4 for AMD processors with both fma3 and fma4 support.
576
577 2012-05-22  Richard Guenther  <rguenther@suse.de>
578
579         PR tree-optimization/53408
580         * tree-vect-loop.c (vectorizable_induction): Properly check
581         the restriction that we cannot handle induction results from
582         the inner loop outside of the outer loop.
583
584 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
585
586         PR tree-optimization/53436
587         * omp-low.c (omp_build_component_ref): New function.
588         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
589
590         PR tree-optimization/53366
591         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
592         tests if complex_numbers == 2, but there are non-complex number loads
593         too.
594
595         PR tree-optimization/53409
596         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
597         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
598
599         PR tree-optimization/53410
600         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
601         instead of build_int_cst (type, 0) where vector types might be
602         involved.
603
604 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
605
606         PR c/53418
607         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
608         from folded operands before wrapping another around the
609         conditional expression.
610
611 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
612             Patrick Marlier  <patrick.marlier@gmail.com>
613
614         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
615         indirect calls.
616
617 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
618
619         Backport from mainline
620         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
621
622         PR target/53416
623         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
624         (UNSPECV_RDRAND): This.
625         (rdrand<mode>_1): Updated.
626
627 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
628
629         Backport from mainline
630         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
631
632         * config/i386/driver-i386.c (host_detect_local_cpu): Support
633         RDRND, F16C and FSGSBASE.
634
635 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
636
637         Backport from mainline
638         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
639
640         * tree-ssa-pre.c (can_value_number_call): Delete.
641         (compute_avail): Skip all statements with side effects.
642         <GIMPLE_CALL>: Skip calls to internal functions.
643
644 2012-05-18  David S. Miller  <davem@davemloft.net>
645
646         Backport r185385 from mainline
647         2012-03-14  Richard Guenther  <rguenther@suse.de>
648
649         PR middle-end/52584
650         * tree-vect-generic.c (type_for_widest_vector_mode): Take
651         element type instead of mode, use build_vector_type_for_mode
652         instead of the langhook, build a vector of proper signedness.
653         (expand_vector_operations_1): Adjust.
654
655 2012-05-18  Olivier Hainque  <hainque@adacore.com>
656
657         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
658         $(libsubdir) as libexecsubdir.
659
660 2012-05-16  Andrew Pinski  <apinski@cavium.com>
661
662         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
663         GIMPLE_ASSIGN.
664
665 2012-05-16  David S. Miller  <davem@davemloft.net>
666
667         * jump.c (delete_related_insns): If we remove a CALL, make sure
668         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
669
670 2012-05-16  Richard Henderson  <rth@redhat.com>
671
672         PR debug/52727
673         * combine-stack-adj.c (prev_active_insn_bb): New.
674         (next_active_insn_bb): New.
675         (force_move_args_size_note): New.
676         (combine_stack_adjustments_for_block): Use it.
677
678 2012-05-16  Olivier Hainque  <hainque@adacore.com>
679
680         * Makefile.in (install-no-fixedincludes): New target, former toplevel
681         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
682         Add comments and improve stamp preservation across the whole sequence.
683         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
684
685 2012-05-16  Richard Guenther  <rguenther@suse.de>
686
687         PR tree-optimization/53364
688         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
689         detect a view-conversion of the decl.
690
691 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
692
693         PR target/53358
694         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
695         that operands[2] is either immediate, or q_regs_operand.
696
697 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
698
699         Backport r187139 from mainline.
700         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
701
702         PR rtl-optimization/52804
703         * reload1.c (reload_reg_reaches_end_p): Check whether successor
704         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
705         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
706         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
707         RELOAD_FOR_OUTADDR_ADDRESS.
708
709 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
710
711         PR target/46098
712         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
713         generate target register for "load" class builtins.
714
715         Revert:
716         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
717
718         PR target/46098
719         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
720         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
721         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
722         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
723         (<sse>_movu<ssemodesuffix>): New expander.
724         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
725         (avx_movdqu<avxmodesuffix>): New expander.
726         (*sse2_movdqu): Rename from sse2_movdqu.
727         (sse2_movdqu): New expander.
728
729 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
730
731         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
732         lineno 1 the same as lineno 0 before first start file directive.
733         (optimize_macinfo_range): Likewise.
734
735         * dwarf2out.c (have_macinfo): Define.
736         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
737         attribute, don't force empty compilation unit and don't emit any
738         .debug_macinfo/.debug_macro section if macinfo_table is empty.
739
740 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
741
742         Backport from mainline
743         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
744
745         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
746         ORDERED and UNORDERED conditions.
747
748 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
749
750         * function.c (requires_stack_frame_p): If the function can throw
751         non-call exceptions, return true if the insn can throw internally.
752
753 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
754
755         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
756         DECL_ORIGINAL_TYPE if it is present.
757
758 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
759
760         Backport from 2012-05-12 mainline r187342.
761
762         PR target/53256
763         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
764         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
765         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
766         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
767         (expand_prologue): Move initialization of cfun->machine->is_naked,
768         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
769         (avr_set_current_function): ...this new static function.
770         (TARGET_SET_CURRENT_FUNCTION): New define.
771         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
772         checking attributes of current_function_decl.
773         (avr_regs_to_save): Ditto.
774         (signal_function_p): Rename to avr_signal_function_p.
775         (interrupt_function_p): Rename to avr_interrupt_function_p.
776
777         * doc/extend.texi (Function Attributes): Better explanation of
778         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
779         alphabetical order.
780
781 2012-05-09  Matthias Klose  <doko@ubuntu.com>
782
783         * gcc-ar.c (main): Don't check for execute bits for the plugin.
784
785 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
786
787         PR target/53272
788         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
789         when a constant source operand matches an "I" constraint, the "no
790         CC0 change" applies to a register-destination only, not a
791         strict_low_part-destination.
792
793 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
794
795         Backport from mainline:
796         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
797
798         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
799
800 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
801
802         PR tree-optimization/53239
803         * tree-vrp.c (get_value_range): Set VR of
804         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
805         to nonnull.
806
807 2012-05-07  Richard Guenther  <rguenther@suse.de>
808
809         PR tree-optimization/53195
810         * tree-inline.c (setup_one_parameter): Properly add referenced
811         vars from the parameters new known value.
812
813 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
814
815         Backport from mainline:
816         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
817
818         PR target/52999
819         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
820         in constant pool.
821
822 2012-05-04  Ian Lance Taylor  <iant@google.com>
823
824         * tree-vect-patterns.c (vect_single_imm_use): Correct return
825         values from false to NULL.
826
827 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
828
829         Backport from mainline
830         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
831
832         PR target/53228
833         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
834         (TARGET_CMOV): Rename from TARGET_CMOVE.
835         (TARGET_CMOVE): New define.
836         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
837         Do not set TARGET_CMOVE here.
838
839 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
840
841         Backport from mainline:
842
843         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
844
845         PR tree-optimization/52633
846         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
847         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
848         (vect_recog_over_widening_pattern): Remove handling of code that was
849         already detected as over-widening pattern.  Remove special handling
850         of "unsigned" cases.  Instead, support general case of conversion
851         of the shift result to another type.
852
853         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
854
855         * tree-vect-patterns.c (vect_single_imm_use): New function.
856         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
857         (vect_recog_over_widening_pattern): Likewise.
858         (vect_recog_widen_shift_pattern): Likewise.
859
860         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
861
862         PR tree-optimization/52870
863         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
864         presumed pattern statement is within the same loop or basic block.
865
866 2012-05-04  Richard Guenther  <rguenther@suse.de>
867
868         * common.opt (flto-report): Do not mark as Optimization.
869
870 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
871
872         PR target/48496
873         * recog.c (constrain_operands): If extra constraints are present, also
874         accept pseudo-registers with equivalent memory locations during reload.
875
876 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
877
878         Backport from the mainline
879         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
880
881         PR target/53199
882         * config/rs6000/rs6000.md (bswapdi splitters): If
883         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
884         default) is used, generate an alternate sequence that does not
885         depend on using indexed addressing.
886
887 2012-05-03  David S. Miller  <davem@davemloft.net>
888
889         PR target/52684
890         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
891         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
892         (sparc_emit_float_lib_cmp): Likewise.
893
894 2012-05-04  Martin Jambor  <mjambor@suse.cz>
895
896         Backport from mainline
897         2012-05-02  Martin Jambor  <mjambor@suse.cz>
898
899         PR lto/52605
900         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
901         of a variable when the contect is a function.
902
903 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
904
905         PR plugins/53126
906         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
907         append program name to it and pass that as first argument
908         to make_relative_prefix.  Always pass standard_libexec_prefix
909         as last argument to make_relative_prefix.  If
910         make_relative_prefix returns NULL, fall back to
911         standard_libexec_prefix.
912
913         PR debug/53174
914         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
915         removed.
916
917         PR target/53187
918         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
919         mode, return that mode.
920
921 2012-05-03  Richard Guenther  <rguenther@suse.de>
922
923         PR tree-optimization/53144
924         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
925         Rename to ...
926         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
927         with SSA name values.
928         (vn_reference_lookup_3): Adjust callers.
929
930 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
931
932         PR tree-optimization/53163
933         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
934         return value from compute_all_dependences.
935
936         PR rtl-optimization/53160
937         * ree.c (combine_reaching_defs): Handle the case where cand->insn
938         has been modified by ree pass already.
939
940 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
941
942         Backport from mainline
943         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
944
945         PR middle-end/53136
946         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
947         calls to cgraph_node_name in xstrdup.
948         (ipa_make_edge_direct_to_target): Ditto.
949         * tree-sra.c (convert_callers_for_node): Ditto.
950         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
951         * ipa-cp.c (perhaps_add_new_callers): Ditto.
952         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
953         (cgraph_materialize_all_clones): Ditto.
954         * ipa-inline.c (report_inline_failed_reason): Ditto.
955         (want_early_inline_function_p): Ditto.
956         (edge_badness): Ditto.
957         (update_edge_key): Ditto.
958         (flatten_function): Ditto.
959         (ipa_inline): Ditto.
960         (inline_always_inline_functions): Ditto.
961         (early_inline_small_functions): Ditto.
962
963 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
964
965         Backport from mainline
966         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
967
968         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
969         Introduce emul_name to select the right linker emulation for
970         powerpc64-*-freebsd*.
971         * configure: Regenerate.
972         * config.gcc: Add bits to support powerpc64-*-freebsd*.
973         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
974         * config/rs6000/freebsd64.h: New file.
975         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
976         POWERPC_FREEBSD.
977         (rs6000_savres_strategy): Likewise.
978         (rs6000_savres_routine_name): Likewise.
979         (rs6000_elf_file_end): Likewise.
980         * config/rs6000/t-freebsd64: New file.
981         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
982         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
983
984 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
985
986         Backport from mainline
987         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
988
989         PR target/53138
990         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
991
992 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
993
994         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
995         predicate to discriminate types.
996
997 2012-04-27  Richard Guenther  <rguenther@suse.de>
998
999         PR c/51527
1000         * convert.c (convert_to_integer): Avoid infinite recursion for
1001         target-defined built-in types.
1002
1003 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1004
1005         PR target/53120
1006         * config/cris/cris.md ("*andhi_lowpart_v32")
1007         ("*andqi_lowpart_v32"): Change first input-only operand from
1008         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1009         const_int-matching constraints for redundancy.
1010         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1011         three-operand alternative.
1012
1013 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1014
1015         Backport from mainline
1016         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1017
1018         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1019         (*addsi_2_zext): Ditto.
1020         (*add<mode>_3): Ditto.
1021         (*addsi_3_zext): Ditto.
1022         (*add<mode>_5): Ditto.
1023
1024 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1025
1026         PR c/52880
1027         * c-typeck.c (set_nonincremental_init,
1028         set_nonincremental_init_from_string): Pass true instead of false
1029         as IMPLICIT to add_pending_init.
1030
1031 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1032
1033         Backport from 2012-04-24 mainline r186768.
1034
1035         PR target/53065
1036         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1037
1038 2012-04-24  Richard Guenther  <rguenther@suse.de>
1039
1040         PR tree-optimization/53085
1041         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1042         stores.
1043
1044 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1045
1046         PR middle-end/53084
1047         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1048         of MEM_REF.
1049         (output_addressed_constants): Likewise.
1050
1051         PR middle-end/52999
1052         * varasm.c (get_section): Don't ICE for section conflicts with
1053         built-in section kinds.
1054
1055 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1056
1057         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1058
1059 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1060
1061         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1062
1063 2012-04-23  Richard Guenther  <rguenther@suse.de>
1064
1065         PR c/53060
1066         * c-typeck.c (build_binary_op): Fix typo.
1067
1068 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1069
1070         PR tree-optimizations/52891
1071         * tree-vect-patterns.c (adjust_bool_pattern): Use
1072         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1073         but with non-standard precision.
1074
1075 2012-04-22  Ian Lance Taylor  <iant@google.com>
1076
1077         * godump.c (go_output_typedef): Dump size of structs.
1078
1079 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1080
1081         Backport from mainline:
1082
1083         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1084         hints for 'A' operand types.
1085
1086 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1087
1088         Backport from 2012-04-19 mainline r186588.
1089
1090         PR target/53033
1091         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1092         the case *(X+const).
1093
1094 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1095
1096         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1097
1098 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         PR target/53020
1101         * config/i386/sync.md (atomic_<code><mode>): Rename to
1102         atomic_<logic><mode>.
1103
1104 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1105
1106         Backport from mainline
1107         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1108
1109         PR target/52932
1110         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1111         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1112         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1113         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1114         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1115         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1116         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1117         gen_avx2_permvarv8sf.
1118
1119 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1120
1121         Backported from mainline
1122
1123         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1124         PR middle-end/52939
1125
1126         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1127         fold_ctor_reference returns a zero constant.
1128
1129 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1130
1131         Backported from mainline
1132         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1133
1134         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1135         and __ILP32__ for x32.
1136
1137 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1138
1139         Backport from mainline r186418.
1140
1141         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1142
1143         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1144         parameters vuse and vuse_escaped.
1145         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1146         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1147         vuse1 != vuse2.
1148
1149 2012-04-13  Richard Guenther  <rguenther@suse.de>
1150
1151         PR tree-optimization/52969
1152         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1153         the condition for the COND_EXPR and handle predicate negation
1154         by swapping the COND_EXPR arms.
1155
1156 2012-04-13  Richard Guenther  <rguenther@suse.de>
1157
1158         PR c/52862
1159         * convert.c (convert_to_pointer): Remove special-casing of
1160         zero.
1161
1162 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1163
1164         Backport from mainline
1165         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1166
1167         PR target/52775
1168         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1169         the list of options to enable the FCFID instruction.
1170         (TARGET_EXTRA_BUILTINS): Adjust comment.
1171
1172 2012-04-12  Richard Guenther  <rguenther@suse.de>
1173
1174         PR tree-optimization/52943
1175         * tree-chrec.h (chrec_is_positive): Remove.
1176         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1177         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1178         Return false for a constant zero instead of negative.
1179         (analyze_siv_subscript_cst_affine): Handle zero difference
1180         in the initial condition explicitely.
1181
1182 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1183
1184         PR middle-end/52894
1185         * varasm.c (process_pending_assemble_externals): Set
1186         pending_assemble_externals_processed true.
1187         (assemble_external): Call assemble_external_real if the pending
1188         assemble externals have been processed.
1189
1190 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1191
1192         PR target/52717
1193         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1194         the DECL generated for the special GOT helper.
1195
1196 2012-04-06  Walter Lee  <walt@tilera.com>
1197
1198         Backport from mainline
1199         2012-03-07  Walter Lee  <walt@tilera.com>
1200
1201         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1202         REG_CFA_* notes for the stack pointer.
1203         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1204         EH_RETURN_STACKADJ_RTX.
1205         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1206         generate REG_CFA_* notes for the stack pointer.
1207         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1208         by EH_RETURN_STACKADJ_RTX.
1209
1210 2012-04-06  Matt Turner  <mattst88@gmail.com>
1211
1212         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1213
1214 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1215
1216         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1217         of the destination isn't also a FP_REGS register.
1218
1219 2012-04-03  Richard Guenther  <rguenther@suse.de>
1220
1221         Backport from mainline
1222         2012-03-02  Richard Guenther  <rguenther@suse.de>
1223
1224         PR tree-optimization/52406
1225         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1226         (struct indices): Add unconstrained_base member.
1227         (struct dr_alias): Remove unused vops member.
1228         (DR_UNCONSTRAINED_BASE): New define.
1229         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1230         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1231         be an artificial access that covers the whole indexed object,
1232         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1233         plain decl base-objects to their MEM_REF variant.
1234         (dr_may_alias_p): When the base-object of either data reference
1235         has unknown size use only points-to information.
1236         (compute_affine_dependence): Make dumps easier to read and
1237         more verbose.
1238         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1239         DR_REF when looking for packed references.
1240         (vect_supportable_dr_alignment): Likewise.
1241
1242 2012-04-03  Richard Guenther  <rguenther@suse.de>
1243
1244         Backport from mainline
1245         2012-03-15  Richard Guenther  <rguenther@suse.de>
1246
1247         PR middle-end/52580
1248         * tree-data-ref.c (subscript_dependence_tester_1): Check
1249         all dimensions for non-conflicting access functions.
1250
1251 2012-04-03  Richard Guenther  <rguenther@suse.de>
1252
1253         Backport from mainline
1254         2012-03-06  Richard Guenther  <rguenther@suse.de>
1255
1256         PR middle-end/52493
1257         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1258
1259         2012-03-23  Richard Guenther  <rguenther@suse.de>
1260
1261         PR tree-optimization/52678
1262         * tree-vectorizer.h (struct _stmt_vec_info): Add
1263         loop_phi_evolution_part member.
1264         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1265         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1266         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1267         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1268         Use the cached evolution part and the PHI nodes value from
1269         the loop preheader edge instead of re-analyzing the evolution.
1270
1271         2012-03-26  Richard Guenther  <rguenther@suse.de>
1272
1273         PR tree-optimization/52701
1274         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1275         compute and set the evolution part of PHI nodes.
1276
1277         2012-03-30  Richard Guenther  <rguenther@suse.de>
1278
1279         PR tree-optimization/52754
1280         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1281         propagate arbitrary addresses into really plain dereferences.
1282
1283 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1284
1285         PR tree-optimization/52835
1286         * tree-data-ref.c (build_rdg): Return NULL if
1287         compute_data_dependences_for_loop failed.
1288
1289 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1290
1291         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1292         (stmt_can_make_abnormal_goto): Use it.
1293         (is_ctrl_altering_stmt): Likewise.
1294
1295 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1296
1297         Backported from mainline
1298         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1299
1300         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1301         is a builtin_stack_save in a dominating BB.
1302
1303 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1304
1305         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1306         crossing 128bit lane boundary.
1307
1308 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1309
1310         Backported from mainline
1311         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1312
1313         PR target/52698
1314         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1315         New prototype.
1316         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1317         * config/i386/i386.c: Include reload.h.
1318         (ix86_legitimize_reload_address): New function.
1319
1320 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1321
1322         Backported from mainline
1323         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1324
1325         PR middle-end/52693
1326         * tree-sra.c (sra_modify_assign): Do not call
1327         load_assign_lhs_subreplacements when working with an unscalarizable
1328         region.
1329
1330 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1331
1332         PR middle-end/52691
1333         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1334         __builtin_va_start to __builtin_next_arg if the latter is
1335         builtin_decl_explicit_p rather than when it is not.
1336
1337         PR middle-end/52750
1338         * tree-vect-generic.c (vector_element): Perform multiplication
1339         for pos in bitsizetype type instead of idx type.
1340
1341 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1342
1343         Backport from 2012-03-28 mainline r185910.
1344
1345         PR target/52692
1346         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1347         (avr_builtin_decl): New static function.
1348         (struct avr_builtin_description, avr_bdesc): Move up.
1349         Add GTY marker. Add field fndecl. Remove redundant field id.
1350         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1351         (avr_expand_builtin): Code cleanup because .id is removed.
1352
1353 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1354
1355         PR middle-end/51893
1356         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1357         targets.
1358
1359 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1360
1361         Backport from 2012-03-28 mainline r185907.
1362
1363         PR target/52737
1364         * config.gcc (tm_file): Remove avr/multilib.h.
1365
1366         * doc/invoke.texi (AVR Options): Adjust
1367         documentation of -mtiny-stack.
1368
1369         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1370         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1371         * config/avr/t-avr: Remove generation of multilib.h.
1372         * config/avr/t-multilib: Regenerate.
1373         * config/avr/multilib.h: Remove.
1374         * config/avr/avr.opt (-msp8): New option.
1375         (avr_sp8): New variable.
1376         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1377         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1378         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1379         (avr_device_to_sp8): New prototype.
1380         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1381         (DRIVER_SELF_SPECS): New define.
1382         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1383         __AVR_SP8__, __AVR_HAVE_SPH__.
1384         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1385         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1386         (avr_file_start): Ditto.
1387
1388 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1389
1390         PR target/52736
1391         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1392         instead of 8 in adjust_address.
1393
1394 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1395
1396         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1397         of a unit before computing the offset in units.
1398
1399 2012-03-27  Richard Guenther  <rguenther@suse.de>
1400
1401         PR middle-end/52720
1402         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1403         explicitely.
1404
1405 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1406
1407         PR target/52610
1408         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1409
1410 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1411
1412         PR middle-end/52640
1413         * varasm.c: Include pointer-set.h.
1414         (pending_assemble_externals_set): New pointer set.
1415         (process_pending_assemble_externals): Destroy the pointer set.
1416         (assemble_external): See if decl is in pending_assemble_externals_set,
1417         and add it to pending_assemble_externals if necessary.
1418         (init_varasm_once): Allocate pending_assemble_externals_set.
1419
1420 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1421
1422         Backported from mainline
1423         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1424
1425         PR target/50310
1426         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1427         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1428         (vector_ltgt<mode>): Likewise.
1429         (vector_ordered<mode>): Likewise.
1430         (vector_unordered<mode>): Likewise.
1431         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1432
1433 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1434
1435         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1436         Make static.
1437
1438 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1439
1440         Backported from mainline
1441         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1442
1443         PR target/48596
1444         PR target/48806
1445         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1446         GENERAL_REGS and FP_REGS for SImode.
1447
1448 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1449
1450         PR middle-end/52547
1451         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1452         on any new_local_var_chain vars declared during recursing on
1453         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1454
1455 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1456
1457         Backport from 2012-03-22 mainline r185692.
1458
1459         PR target/52496
1460         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1461         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1462         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1463         (delay_cycles_1, delay_cycles_2): Ditto.
1464         (delay_cycles_3, delay_cycles_4): Ditto.
1465         (nopv, *nopv): Ditto.
1466         (sleep, *sleep): Ditto.
1467         (wdr, *wdr): Ditto.
1468
1469         Backport from 2012-03-21 mainline r185605.
1470
1471         PR rtl-optimization/52543
1472         PR target/52461
1473         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1474         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1475         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1476         (avr_load_libgcc_p): Restrict to __flash loads.
1477         (avr_out_lpm): Only handle 1-byte loads from __flash.
1478         (avr_load_lpm): New function.
1479         (avr_find_unused_d_reg): Remove.
1480         (avr_out_lpm_no_lpmx): Remove.
1481         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1482         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1483         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1484         (load_<mode>, load_<mode>_clobber): New insns.
1485         (mov<mode>): For multi-byte move from non-generic
1486         16-bit address spaces: Expand to load_<mode> resp.
1487         load_<mode>_clobber.
1488         (load<mode>_libgcc): Remove expander.
1489         (split-lpmx): Remove split.
1490
1491         Backport from 2012-03-13 mainline r185329.
1492
1493         PR target/52488
1494         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1495         offset (size) to a value the insns can deal with.
1496         (expand_epilogue): Ditto.
1497
1498         Backport from 2012-03-12 mainline r185256.
1499
1500         PR target/52499
1501         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1502         type from reg_class_t to enum reg_class.
1503         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1504
1505         Backport from 2012-03-12 mainline r185253.
1506
1507         PR target/52148
1508         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1509         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1510         r184615 from 2012-02-28.
1511
1512         Backport from 2012-03-08 mainline r185105.
1513
1514         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1515         for constants in [-63,63].
1516
1517         Backport from 2012-03-08 mainline r185100.
1518
1519         PR target/52496
1520         * config/avr/avr.c (avr_mem_clobber): New static function.
1521         (avr_expand_delay_cycles): Add memory clobber operand to
1522         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1523         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1524         (enable_interrupt, disable_interrupt): New expander.
1525         (nopv, sleep, wdr): New expanders.
1526         (delay_cycles_1): Add memory clobber.
1527         (delay_cycles_2): Add memory clobber.
1528         (delay_cycles_3): Add memory clobber.
1529         (delay_cycles_4): Add memory clobber.
1530         (cli_sei): New insn from former "enable_interrupt",
1531         "disable_interrupt" with memory clobber.
1532         (*wdt): New insn from former "wdt" with memory clobber.
1533         (*nopv): Similar, but for "nopv".
1534         (*sleep): Similar, but for "sleep".
1535
1536         Backport from 2012-03-07 mainline r185043.
1537
1538         PR target/52484
1539         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1540
1541         Backport from 2012-03-07 mainline r185032.
1542
1543         PR target/52506
1544         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1545         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1546         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1547
1548         Backport from 2012-03-07 mainline r185031.
1549
1550         PR target/52505
1551         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1552         from RAM.
1553         * config/avr/avr.md (xload_8): Adjust insn length.
1554
1555         Backport from 2012-03-07 mainline r185030.
1556
1557         PR target/52461
1558         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1559         if RAMPZ affects reading from RAM.
1560
1561         Backport from 2012-03-05 mainline r184919.
1562
1563         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1564
1565 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1566
1567         Backport from mainline r185259.
1568
1569         PR other/52545
1570         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1571         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1572
1573 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1574
1575         Backported from mainline
1576         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1577
1578         PR c/52577
1579         * c-parser.c (c_parser_postfix_expression)
1580         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1581
1582         * config/i386/smmintrin.h: Avoid /* within a comment.
1583         * config/i386/nmmintrin.h: Likewise.
1584
1585 2012-03-22  Richard Guenther  <rguenther@suse.de>
1586
1587         * BASE-VER: Set to 4.7.1.
1588         * DEV-PHASE: Set to prerelease.
1589
1590 2012-03-22  Release Manager
1591
1592         * GCC 4.7.0 released.
1593
1594 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1595
1596         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1597
1598 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1599             Andrew Pinski  <apinski@cavium.com>
1600
1601         PR middle-end/52592
1602         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1603         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1604         calls instead of __builtin_ir{int,ound}*.
1605
1606 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1607
1608         PR c++/52582
1609         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1610         if c_node is NULL.
1611
1612 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1613
1614         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1615         Refer to GCC 4.7 version of c99status.html.
1616
1617 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1618
1619         Backport from mainline
1620         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1621
1622         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1623         redefine to be NULL if the current bit-size is different from the
1624         configured bit-size.
1625
1626         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1627         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1628         set the default tuning.  Add asserts to make sure the cpu and tune
1629         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1630         test whether the index is set, instead of > 0.
1631         (rs6000_file_start): Do not reset the default cpu if the current
1632         bit-size is different from the configured bit-size.
1633
1634 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1635
1636         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1637         binutils reference.
1638         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1639         Update binutils references.
1640         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1641         Update binutils reference.
1642         Update Sun as/GNU ld caveat.
1643         Document binutils largefile requirement for LTO plugin.
1644         Remove reference to alternate libpthread.
1645
1646 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1647
1648         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1649         reference.
1650         (Specific, mips-sgi-irix6): Likewise.
1651
1652 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1653
1654         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1655         * configure: Regenerate.
1656
1657 2012-03-07  Richard Henderson  <rth@redhat.com>
1658
1659         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1660         * config/m68k/sync.md (atomic_test_and_set): Use it.
1661         (atomic_test_and_set_1): Likewise.
1662
1663 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1664
1665         PR target/51417
1666         * Makefile.in: Let install-gcc-ar depend on installdirs,
1667         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1668         Don't double canonicalize if cross-compiling.
1669
1670 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1671
1672         * trans-mem.c: New typedef for tm_region_p.
1673         Define vector types for tm_region_p.
1674         (tm_region_init): Replace region_worklist to a vector called
1675         bb_regions.
1676
1677 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1678
1679         PR middle-end/52463
1680         * trans-mem.c (tm_region_init): Use last_basic_block.
1681
1682 2012-03-05  Richard Henderson  <rth@redhat.com>
1683
1684         PR tree-opt/52242
1685         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1686         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1687         BIGGEST_ALIGNMENT is aligned.
1688
1689 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1690
1691         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1692
1693 2012-03-05  Richard Henderson  <rth@redhat.com>
1694
1695         PR target/52481
1696         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1697         instead of calling negqi2 directly.
1698
1699 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1700
1701         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1702         (INTMAX_TYPE): Use it.
1703         (UINTMAX_TYPE): Likewise.
1704         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1705         (irix6_c_common_override_options): Declare.
1706         (C_COMMON_OVERRIDE_OPTIONS): Define.
1707         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1708         * config/mips/irix6-c.c: New file.
1709         * config/mips/t-irix6 (irix6-c.o): New target.
1710         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1711         cxx_target_objs.
1712
1713 2012-03-02  Richard Henderson  <rth@redhat.com>
1714
1715         * optabs.c (expand_atomic_test_and_set): Honor
1716         atomic_test_and_set_trueval even when atomic_test_and_set
1717         optab is not in use.
1718
1719 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1720
1721         Backport from mainline
1722         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1723
1724         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1725
1726 2012-03-02  Richard Guenther  <rguenther@suse.de>
1727
1728         * DEV-PHASE: Set to prerelease.
1729
1730 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1731
1732         * config.gcc (obsolete): Add all ARM targets using the FPA.
1733         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1734         * doc/install.texi: Avoid references to obsolete ARM ports.
1735
1736 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1737
1738         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1739
1740 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1741             Joern Rennecke  <joern.rennecke@embecosm.com>
1742
1743         * doc/extend.texi: Expand and update information on interrupt
1744         attribute for Epiphany.
1745
1746 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1747
1748         * config/sh/sh-protos.h: Update copyright notice dates.
1749         * config/sh/sh.h: Likewise.
1750         * config/sh/sh.md: Likewise.
1751         * config/sh/constraints.md: Likewise.
1752         * config/sh/predicates.md: Likewise.
1753
1754 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1755
1756         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1757         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1758
1759 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1760
1761         * config/sh/constraints.md: Fix comment typo.
1762
1763 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1764
1765         PR target/52408
1766         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1767         unsigned HOST_WIDE_INT.
1768         (zvdep_imm64): Likewise.
1769         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1770         (vdepi_and): Likewise.
1771         Likewise for unamed 64-bit patterns.
1772         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1773
1774 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1775
1776         PR debug/52001
1777         PR rtl-optimization/52417
1778         * cselib.c (cselib_any_perm_equivs): New variable.
1779         (cselib_reset_table): Check that it's not set when not
1780         preserving constants.
1781         (cselib_add_permanent_equiv): Set it.
1782         (cselib_have_permanent_equivalences): New.
1783         (cselib_init, cselib_finish): Reset it.
1784         * cselib.h (cselib_have_permanent_equivalences): Declare.
1785         * alias.c (get_addr): Restore earlier behavior when there
1786         aren't permanent equivalences.
1787
1788 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1789
1790         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1791         * config/v850/v850-modes.def: Fix copyright notice.
1792
1793 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1794
1795         * doc/extend.texi (AVR Built-in Functions): Document
1796         __builtin_avr_flash_segment.
1797
1798         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1799         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1800         (*split.flash_segment): New insn-and-split.
1801         * config/avr/avr.c (avr_init_builtins): Add local variables:
1802         const_memx_void_node, const_memx_ptr_type_node,
1803         char_ftype_const_memx_ptr.
1804
1805 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1806
1807         PR tree-optimization/52445
1808         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1809         add ssa_name_ver, offset and size fields and change store field
1810         to bool.
1811         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1812         (add_or_mark_expr): Likewise.  Only consider previous stores
1813         with the same size and offset.
1814         (nt_init_block): Only look at gimple_assign_single_p stmts,
1815         doesn't look at rhs2.
1816
1817 2012-03-01  Richard Guenther  <rguenther@suse.de>
1818
1819         PR middle-end/52443
1820         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1821         conversions from integral types to pointer types.
1822
1823 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1824
1825         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1826         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1827         unintentionally removed in r184616.
1828
1829 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1830
1831         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1832         3DNow from bdver1.
1833
1834 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1835             Uros Bizjak  <ubizjak@gmail.com>
1836
1837         PR target/52437
1838         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1839         alternatives, add "e" constraint to the new last alternative
1840         and ! to last 3 alternatives.
1841
1842 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1843
1844         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1845         DW_AT_artificial attributes at the end of the processing.
1846         (gen_array_type_die): Likewise.
1847         (gen_enumeration_type_die): Likewise.
1848         (gen_struct_or_union_type_die): Likewise.
1849         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1850         the parent type.
1851
1852 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1853
1854         PR middle-end/52419
1855         * expr.c (expand_assignment): If doing misaligned store that doesn't
1856         cover all mode bits, perform a RMW cycle.
1857
1858         PR tree-optimization/52429
1859         * tree-parloops.c (separate_decls_in_region_debug): Return early
1860         if var is LABEL_DECL.
1861
1862 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1863
1864         PR tree-optimization/52424
1865         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1866         calling dom_thread_across_edge.
1867
1868 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1869
1870         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1871
1872 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1873
1874         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1875         * config/avr/avr.c (avr_output_bld): Remove unused function.
1876         (avr_out_sbxx_branch): Use "%T" to print bit position.
1877
1878 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1879
1880         * config/avr/avr.md: Untabify.
1881
1882 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1883
1884         * config/avr/avr.md (eqne): New code iterator.
1885         (*dec-and-branchsi): Use it in text peephole's condition.
1886         (*dec-and-branchhi): Ditto.
1887         (*dec-and-branchqi): Ditto.
1888
1889 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1890
1891         PR target/49939
1892         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1893         the device does not have the skip-bug.
1894
1895 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1896
1897         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1898         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1899         -mpretend-cmove): New.
1900
1901 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1902
1903         PR bootstrap/52397
1904         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1905         doesn't count DEBUG_INSN refs.
1906         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1907         for DEBUG_INSN refs.
1908
1909 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1910
1911         Partially revert:
1912
1913         2012-02-20  Richard Guenther  <rguenther@suse.de>
1914         PR tree-optimization/52298
1915         * tree-vect-stmts.c (vectorizable_load): Properly use
1916         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1917         outer loops.
1918
1919 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1920
1921         PR middle-end/51752
1922         * gimple.h (gimple_in_transaction): New.
1923         (gimple_set_in_transaction): New.
1924         (struct gimple_statement_base): Add in_transaction field.
1925         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1926         transaction loads.
1927         (tree_ssa_lim_initialize): Compute transaction bits.
1928         * tree.h (compute_transaction_bits): Protoize.
1929         * trans-mem.c (tm_region_init): Use the heap to store BB
1930         auxilliary data.
1931         (compute_transaction_bits): New.
1932
1933 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1934
1935         * gcc.c (display_help): Document --help=common and sort entries
1936         alphabetically.
1937
1938 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1939
1940         * doc/install.texi: Document check-$LANG specific shortcuts
1941
1942 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1943
1944         PR target/51534
1945         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1946         and vcgtu.
1947         * config/arm/arm_neon.h: Regenerate.
1948         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1949         (neon_vcgeu): New insn.
1950         (neon_vcgtu): Likewise.
1951         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1952         (ops): Unsigned comparison intrinsics call a different
1953         builtin.
1954
1955 2012-02-28  Richard Guenther  <rguenther@suse.de>
1956
1957         PR target/52407
1958         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1959         ordering for the VEC_CONCAT for two element vectors for
1960         V2SFmode, V2SImode and V2DImode.
1961
1962 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1963
1964         PR target/49448
1965         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1966         detecting big-endian triplets.
1967
1968 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1969
1970         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1971         mode if there is no type information available.
1972
1973 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1974
1975         PR tree-optimization/53207
1976         * doc/invoke.texi: Document as experimental and relying on graphite.
1977
1978 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1979
1980         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1981         of initializer to changes from r184614.
1982
1983 2012-02-28  Richard Guenther  <rguenther@suse.de>
1984
1985         PR tree-optimization/52395
1986         * tree-sra.c (build_ref_for_offset): Also look at the base
1987         TYPE_ALIGN when figuring out the alignment of the replacement.
1988
1989 2012-02-28  Richard Guenther  <rguenther@suse.de>
1990
1991         PR tree-optimization/52402
1992         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1993         mis-aligned types when creating the accesses at the call site.
1994
1995 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1996
1997         * config/avr/builtins.def: New file.
1998         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1999         * config/avr/avr.c (enum avr_builtin_id): Use it.
2000         (avr_init_builtins): Use it. And use avr_bdesc.
2001         (bdesc_1arg): Remove.
2002         (bdesc_2arg): Remove.
2003         (bdesc_3arg): Remove.
2004         (struct avr_builtin_description): Add field n_args.
2005         (avr_bdesc): New static variable using builtins.def.
2006         (avr_expand_builtin): Use it.
2007         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2008         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2009         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2010
2011 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2012
2013         PR target/52148
2014         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2015         match only one single hard register with respective hard reg rtx.
2016         (movmemx_<mode>): Ditto.
2017         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2018         insn anatomy of movmem[x]_<mode>.
2019         (avr_out_movmem): Same for printing assembler and operand usage.
2020
2021 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2022
2023         PR target/49868
2024         PR target/52261
2025         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2026         address spaces located outside of device flash.
2027
2028         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2029         (mcu_type_s): Add field n_flash.
2030         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2031         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2032         (AVR_MCU): Add N_FLASH argument.
2033         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2034         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2035         macro __FLASH<n> if that address space makes sense for the device.
2036         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2037         outside of target flash.
2038         (avr_asm_named_section): Ditto.
2039         (avr_asm_select_section): Ditto.
2040         (avr_addr_space_convert): Ditto.
2041         (avr_emit_movmemhi): Ditto.
2042         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2043         address space is outside of device flash.
2044         (avr_insert_attributes): Ditto.
2045         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2046         avr_current_arch->n_segments.
2047
2048 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2049
2050         PR target/52352
2051         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2052         TARGET_LP64.
2053         (*movabs<mode>_2): Likewise.
2054
2055 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2056
2057         PR target/52375
2058         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2059         s_register_operand in the test instead of REG_P.  Don't call
2060         gen_reg_rtx if it won't be used.
2061
2062         PR tree-optimization/52376
2063         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2064
2065 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2066
2067         * ifcvt.c (noce_get_condition): Check condition variable is not
2068         small_register_classes_for_mode_p before accepting.
2069
2070 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2071
2072         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2073
2074 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2075
2076         Revert:
2077         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2078         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2079         tuning parameters.
2080         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2081
2082 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2083
2084         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2085
2086 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2087
2088         * config/sh/predicates.md: Remove blank lines.
2089         * config/sh/sh.c: Fix typos in comments.
2090         * config/sh/constraints.md: Likewise.
2091         * config/sh/sh.md: Remove blank lines.
2092         Fix typos in comments.  Use ;; as comment characters.
2093
2094 2012-02-26  Walter Lee  <walt@tilera.com>
2095
2096         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2097         (replace_mov_pcrel_step2): Ditto.
2098
2099 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2100
2101         PR debug/52001
2102         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2103         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2104         and locs that reference values newer than the non-canonical value
2105         at hand.  Return the canonical value as a worst case.
2106         (memrefs_conflict_p): Walk canonical value's locs.
2107
2108         PR debug/52001
2109         * cselib.c (preserve_only_constants): Rename to...
2110         (preserve_constants_and_equivs): ... this.  Split out...
2111         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2112         of other preserved expressions too.
2113         (cselib_reset_table): Adjust.
2114         * var-tracking.c (reverse_op): Use canonical value to build
2115         reverse operation.
2116
2117 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2118
2119         * config/i386/i386.c (ix86_delegitimize_address): Handle
2120         UNSPEC_PCREL plus displacement.
2121
2122 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2123
2124         PR target/52261
2125         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2126         to test for unusedness in st X addressing.
2127
2128 2012-02-24  Richard Guenther  <rguenther@suse.de>
2129
2130         PR middle-end/52361
2131         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2132         (is_gimple_reg_type): Move inline ...
2133         * gimple.h (is_gimple_reg_type): ... here.
2134
2135 2012-02-24  Richard Guenther  <rguenther@suse.de>
2136
2137         PR middle-end/52361
2138         * passes.c (execute_function_todo): When verifying SSA form
2139         verify gimple form first.
2140         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2141
2142 2012-02-24  Richard Guenther  <rguenther@suse.de>
2143
2144         PR middle-end/52355
2145         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2146         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2147
2148 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2149
2150         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2151
2152 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2153
2154         * tree-phinodes.c (make_phi_node): Mark static.
2155         * tree-flow.h (make_phi_node): Remove extern decl.
2156         * doc/gimple.texi (make_phi_node): Remove documentation.
2157
2158 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2159
2160         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2161         * tree-ssa-sccvn.c (print_scc): Ditto.
2162
2163 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2164
2165         * doc/passes.texi (Full redundancy elimination): Fix typo.
2166
2167 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2168
2169         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2170
2171 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2172
2173         PR bootstrap/52287
2174         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2175
2176 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2177
2178         PR c/52290
2179         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2180
2181 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2182
2183         * config/avr/avr.md (code_stdname): Add ior, xor.
2184         (xior): New code iterator.
2185         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2186         (*<code_stdname><mode>qi.byte1-3): Ditto.
2187
2188 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2189
2190         PR tree-optimization/52019
2191         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2192         CLOBBER stmts.
2193
2194 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2195
2196         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2197         HAVE_INITFINI_ARRAY to work around namespace pollution in
2198         certain versions of newlib system headers.
2199         * config.in: Regenerate.
2200         * configure: Regenerate.
2201         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2202         instead of HAVE_INITFINI_ARRAY.
2203
2204 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2205
2206         PR target/52330
2207         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2208         is not offsettable memory reference.
2209
2210 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2211
2212         PR target/18145
2213         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2214         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2215
2216 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2217
2218         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2219         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2220
2221 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2222
2223         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2224         library on Solaris 8 even without TLS support.
2225         * configure: Regenerate.
2226
2227 2012-02-22  Richard Guenther  <rguenther@suse.de>
2228
2229         PR middle-end/52329
2230         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2231         for GIMPLE_DEBUG stmts.
2232
2233 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2234
2235         PR middle-end/51782
2236         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2237         according to the base object.
2238
2239 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2240
2241         PR rtl-optimization/50063
2242         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2243         and 2 (8-bit SP) in operand 2.
2244         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2245         setup to use movhi_sp_r instead of vanilla move to write SP.
2246         Adjust REG_CFA notes to superseed unspec.
2247         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2248         of vanilla move.
2249         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2250         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2251         irq_state 1 (IRQ known to be on) here.
2252
2253 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2254
2255         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2256         WORDS_BIG_ENDIAN.
2257         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2258         assign_hard_reg): Likewise.
2259
2260 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2261
2262         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2263
2264 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2265
2266         * config/avr/avr.md
2267         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2268         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2269
2270 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2271
2272         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2273         prototype from here to...
2274         * config/avr/avr.h: ...here.
2275
2276 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2277
2278         PR target/52294
2279         * thumb2.md (thumb2_shiftsi3_short): Split register and
2280         immediate shifts.  For register shifts tie operands 0 and 1.
2281         (peephole2 for above): Check that register-controlled shifts
2282         have suitably tied operands.
2283
2284 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2285
2286         PR target/52137
2287         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2288         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2289         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2290         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2291         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2292         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2293         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2294         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2295         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2296         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2297         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2298         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2299         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2300         bdver1_ssevector_avx256_unaligned_load,
2301         bdver1_ssevector_sse128_unaligned_load,
2302         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2303         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2304         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2305         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2306         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2307         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2308         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2309         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2310         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2311         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2312         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2313         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2314         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2315         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2316         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2317         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2318         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2319         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2320         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2321         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2322         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2323         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2324         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2325         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2326         bdver1_ssediv_double_load, bdver1_ssediv_double,
2327         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2328         Add "bdver2" attribute.
2329
2330 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2331
2332         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2333         default if possible and not specified otherwise.
2334
2335 2012-02-21  Richard Guenther  <rguenther@suse.de>
2336
2337         PR middle-end/52314
2338         * gimplify.c (create_tmp_from_val): Use the main variant type
2339         for the type of the temporary we create.
2340
2341 2012-02-21  Richard Guenther  <rguenther@suse.de>
2342
2343         PR tree-optimization/52324
2344         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2345         do not gimplify a MEM_REF address operand if it is already
2346         in suitable form.
2347
2348 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2349
2350         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2351         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2352
2353 2012-02-21  Richard Guenther  <rguenther@suse.de>
2354
2355         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2356         nested_in_vect_loop.
2357
2358 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2359
2360         PR tree-optimization/52318
2361         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2362         vdef also to non-pure/const call stmts in the sequence.
2363
2364 2012-02-20  David S. Miller  <davem@davemloft.net>
2365
2366         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2367         don't use the "rd %pc" instruction on v9 for PIC register loads.
2368
2369 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2370
2371         PR middle-end/52141
2372         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2373         in a transaction safe function.
2374
2375 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2376
2377         PR target/52238
2378         * stor-layout.c (place_field): Handle desired_align for
2379         ms-bitfields, too.
2380
2381 2012-02-20  Richard Guenther  <rguenther@suse.de>
2382
2383         PR tree-optimization/52298
2384         * tree-vect-stmts.c (vectorizable_store): Properly use
2385         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2386         outer loops.
2387         (vectorizable_load): Likewise.
2388         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2389         Access DR_STEP after ensuring it is not NULL.
2390
2391 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2392
2393         PR tree-optimization/52286
2394         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2395         optimization use double_int_to_tree instead of build_int_cst_wide,
2396         rewrite to use double_int vars.
2397
2398 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2399
2400         PR target/50166
2401         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2402         Define _start.
2403         Remove -e 0 from $gcc_cv_ld invocation.
2404         Only use __GLIBC_PREREQ if defined.
2405         Enable on Solaris since Solaris 8 patch.
2406         (gcc_SUN_LD_VERSION): New macro.
2407         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2408         gcc_SUN_LD_VERSION for version number format.
2409         * configure: Regenerate.
2410         * varasm.c (get_elf_initfini_array_priority_section): Set
2411         SECTION_NOTYPE for non-default priority.
2412         Use get_section instead of get_unnamed_section to emit
2413         .init_array/.fini_array with default priority.
2414
2415 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2416
2417         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2418         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2419         (mips_start_unique_function, mips_output_mips16_rdhwr)
2420         (mips_code_end): New functions.
2421         (TARGET_ASM_CODE_END): Define.
2422
2423 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2424
2425         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2426         to stubs with non-sibling calls.
2427
2428 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2429
2430         * doc/invoke.texi (-fira-* options): Copy-edit.
2431         (ira-* parameters): Copy-edit.
2432
2433 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2434
2435         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2436         GCC coding conventions.
2437
2438 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2439
2440         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2441         when used as adjectives.
2442
2443 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2444
2445         * doc/invoke.texi: Clean up "that"/"which" confusion.
2446
2447 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2448
2449         * system.h: Poison SMALL_REGISTER_CLASSES
2450         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2451         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2452
2453 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2454
2455         PR tree-optimization/52285
2456         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2457         when deciding if a call is a tail call or tail recursion.
2458
2459 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2460
2461         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2462         interger-constant displacement for UNSPEC_PCREL.
2463
2464 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2465
2466         PR rtl-optimization/52208
2467         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2468         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2469
2470         PR tree-optimization/52255
2471         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2472         loop->header has virtual PHI, but exit_e->dest doesn't, add
2473         virtual PHI to exit_e->dest and adjust all uses after the loop.
2474
2475         PR debug/52260
2476         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2477         children with clone_tree_hash, not after it.
2478
2479 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2480
2481         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2482         extended identifiers.
2483
2484 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2485
2486         PR middle-end/51929
2487         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2488         a same_body_alias, also test whether e->callee isn't a former
2489         or current clone of the decl this is a same body alias of.
2490
2491         PR translation/52264
2492         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2493
2494 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2495
2496         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2497
2498 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2499
2500         PR target/52199
2501         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2502         force_reg instead of copy_to_reg for better optimization.  Force
2503         non-register or memory operands into a register.
2504
2505 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2506
2507         * extend.texi: Reserve upper bits of memory model for future use.
2508
2509 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2510             Anatoly Sokolov <aesok@post.ru>
2511             Eric Weddington <eric.weddington@atmel.com>
2512
2513         PR target/52261
2514         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2515         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2516         Rewrite initializers for .macro.
2517         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2518         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2519         atxmega32d4, atxmega32x1.
2520         avrxmega4: atxmega64a3, atxmega64d3.
2521         avrxmega5: atxmega64a1, atxmega64a1u.
2522         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2523         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2524         avrxmega7: atxmega128a1, atxmega128a1u.
2525         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2526         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2527         (struct base_arch_s): Rename reserved to xmega_p.
2528         Rename reserved2 to have_rampd.
2529         (AVR_XMEGA): New define.
2530         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2531         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2532         * config/avr/predicates.md (io_address_operand): Take into
2533         account SFR offset.
2534         (low_io_address_operand): Ditto.
2535         (high_io_address_operand): Ditto.
2536         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2537         (enabled, movhi_sp_r): Use them.
2538         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2539         cpp_define_formatted to built-in define __AVR_ARCH__.
2540         (__AVR_XMEGA__): New built-in define.
2541         (__AVR_HAVE_RAMPD__): New built-in define.
2542         (__AVR_HAVE_RAMPX__): New built-in define.
2543         (__AVR_HAVE_RAMPY__): New built-in define.
2544         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2545
2546         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2547         (avr_option_override): Initialize them.
2548         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2549         (avr_init_expanders): Initialize them. No more block several calls.
2550         (emit_push_sfr): New static function.
2551         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2552         Handle AVR_XMEGA.
2553         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2554         (avr_print_operand): Print addreeses as symbols for
2555         RAMPX, RAMPY, RAMPD, CCP.
2556         (output_movhi): Handle AVR_XMEGA when writing to SP.
2557         (avr_out_movhi_mr_r_xmega): New static function.
2558         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2559         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2560         __RAMPD__,  __CCP__ as needed.
2561
2562         * config/avr/multilib.h: Regenerate.
2563         * config/avr/t-multilib: Regenerate.
2564         * config/avr/avr-tables.opt: Regenerate.
2565
2566 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2567
2568         PR tree-optimization/50561
2569         * graphite-flattening.c (lst_project_loop): Do not
2570         remove old scattering dimensions after flattening.
2571         (lst_do_flatten): Likewise.
2572
2573 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2574
2575         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2576         __builtin_avr_map8, __builtin_avr_map16.
2577         Document __builtin_avr_insert_bits.
2578
2579         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2580         (insert_bits): New insn.
2581         (adjust_len.map_bits): Rename to insert_bits.
2582         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2583         * avr-protos.h (avr_out_map_bits): Remove.
2584         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2585         * config/avr/constraints.md (Cxf,C0f): New.
2586         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2587         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2588         New built-in define __BUILTIN_AVR_INSERT_BITS.
2589         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2590         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2591         (avr_move_bits): Rewrite.
2592         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2593         functions.
2594         (avr_map_op_t): New typedef.
2595         (avr_map_op): New static variable.
2596         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2597         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2598         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2599         (bdesc_3arg, avr_expand_triop_builtin): New.
2600         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2601         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2602         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2603         (avr_map_equal_p, avr_map_sig_p): Remove.
2604         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2605         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2606         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2607         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2608         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2609         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2610
2611 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2612
2613         * config/c6x/c6x.md (reserve_cycles): New attribute.
2614         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2615         don't reserve functional units after the branch occurs.
2616
2617 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2618
2619         PR middle-end/52142
2620         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2621         functions into non-tm_pure functions.
2622
2623 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2624
2625         PR lto/52178
2626         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2627         (iterative_hash_canonical_type): Likewise.
2628         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2629         the dead edges.
2630
2631 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2632
2633         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2634         sched-group insn, it either remains alone or the entire list is pruned.
2635
2636 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2637
2638         * doc/install.texi (Prerequisites): Fix grammar.
2639         (Configuration): Likewise.
2640
2641 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2642
2643         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2644         MPC as part of GCC before describing configuring with --with-gmp etc.
2645         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2646         sources are present.
2647
2648 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2649
2650         PR debug/51950
2651         * dwarf2out.c (clone_tree_hash): New function.
2652         (copy_decls_walk): Use it instead of clone_tree.
2653
2654 2012-02-14  Richard Guenther  <rguenther@suse.de>
2655
2656         PR tree-optimization/52244
2657         PR tree-optimization/51528
2658         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2659         replacements for integral types.
2660
2661 2012-02-14  Walter Lee  <walt@tilera.com>
2662
2663         * config.gcc: Handle tilegx and tilepro.
2664         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2665         tilegx and tilepro.
2666         Add HAVE_AS_TLS check for tilegx and tilepro.
2667         * configure: Regenerate.
2668         * doc/contrib.texi: Add Mat Hostetter and self.
2669         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2670         Document instruction intrinsics and network accessing intrinsics.
2671         (TILEPro Built-in Functions): New node.  Document instruction
2672         intrinsics and network accessing intrinsics.
2673         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2674         (Specific, tilepro-*-linux*): Likewise.
2675         * doc/invoke.texi (TILE-Gx Options): New section.
2676         (TILEPro Options): New section.
2677         * doc/md.texi (TILE-Gx): New section.
2678         (TILEPro): New section.
2679         * common/config/tilegx/tilegx-common.c: New file.
2680         * common/config/tilepro/tilepro-common.c: New file.
2681         * config/tilegx/constraints.md: New file.
2682         * config/tilegx/linux.h: New file.
2683         * config/tilegx/mul-tables.c: New file.
2684         * config/tilegx/predicates.md: New file.
2685         * config/tilegx/sync.md: New file.
2686         * config/tilegx/t-tilegx: New file.
2687         * config/tilegx/tilegx-builtins.h: New file.
2688         * config/tilegx/tilegx-c.c: New file.
2689         * config/tilegx/tilegx-generic.md: New file.
2690         * config/tilegx/tilegx-modes.def: New file.
2691         * config/tilegx/tilegx-multiply.h: New file.
2692         * config/tilegx/tilegx-protos.h: New file.
2693         * config/tilegx/tilegx.c: New file.
2694         * config/tilegx/tilegx.h: New file.
2695         * config/tilegx/tilegx.md: New file.
2696         * config/tilegx/tilegx.opt: New file.
2697         * config/tilepro/constraints.md: New file.
2698         * config/tilepro/gen-mul-tables.cc: New file.
2699         * config/tilepro/linux.h: New file.
2700         * config/tilepro/mul-tables.c: New file.
2701         * config/tilepro/predicates.md: New file.
2702         * config/tilepro/t-tilepro: New file.
2703         * config/tilepro/tilepro-builtins.h: New file.
2704         * config/tilepro/tilepro-c.c: New file.
2705         * config/tilepro/tilepro-generic.md: New file.
2706         * config/tilepro/tilepro-modes.def: New file.
2707         * config/tilepro/tilepro-multiply.h: New file.
2708         * config/tilepro/tilepro-protos.h: New file.
2709         * config/tilepro/tilepro.c: New file.
2710         * config/tilepro/tilepro.h: New file.
2711         * config/tilepro/tilepro.md: New file.
2712         * config/tilepro/tilepro.opt: New file.
2713
2714 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR tree-optimization/52210
2717         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2718         vect_model_simple_cost with two entry vect_def_type array instead
2719         of an address of dt.
2720
2721 2012-02-14  Richard Guenther  <rguenther@suse.de>
2722
2723         PR lto/52178
2724         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2725         Do not stream DECL_QUALIFIER.
2726         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2727         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2728         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2729
2730 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2731
2732         PR c/52181
2733         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2734         newdecl.
2735
2736 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2737
2738         PR bootstrap/52172
2739         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2740         * cselib.c (cselib_subst_to_values_from_insn): New function.
2741         * sched-deps.c (add_insn_mem_dependence,
2742         sched_analyze_1, sched_analyze_2): Use it.
2743
2744 2012-02-13  Jan Hubicka  <jh@suse.cz>
2745
2746         PR middle-end/52214
2747         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2748
2749 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2750
2751         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2752         (GTM_SELF_SPECS): Define if not already defined.
2753         (driver_self_specs): Add GTM_SELF_SPECS.
2754         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2755         (GTM_SELF_SPECS): Define.
2756         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2757         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2758
2759 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2760
2761         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2762         away if seen.
2763
2764         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2765
2766         PR middle-end/52230
2767         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2768         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2769
2770 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2771
2772         PR c/52190
2773         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2774
2775 2012-02-13  Richard Guenther  <rguenther@suse.de>
2776
2777         PR translation/52211
2778         * passes.c (enable_disable_pass): Fix typo.
2779
2780 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2781
2782         PR middle-end/52209
2783         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2784         XOR for reduce_bit_field if type is unsigned.
2785
2786 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2787
2788         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2789         disallow changes from SFmode to mode with different size in FP regs.
2790
2791 2012-02-12  Robert Millan  <rmh@gnu.org>
2792             Gerald Pfeifer <gerald@pfeifer.com>
2793
2794         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2795         Tweak comment.
2796
2797 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2798
2799         PR rtl-optimization/52175
2800         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2801         to frame-related instructions.
2802
2803 2012-02-10  Jason Merrill  <jason@redhat.com>
2804
2805         PR c++/51910
2806         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2807         (demangle_new_symbols): Fill it.
2808         (scan_linker_output): Walk it.
2809         (start_tweaking): Split out from scan_linker_output.
2810         (maybe_tweak): Update sym->chosen.
2811         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2812
2813 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR debug/52132
2816         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2817
2818 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2819
2820         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2821         having the same mode as previous compare.
2822
2823 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2824
2825         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2826         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2827         (nonlocal_goto_internal): Likewise.
2828         (nonlocal_goto): Emit a use and an indirect jump directly.
2829
2830 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2831
2832         PR c/52190
2833         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2834         __atomic_{is,always}_lock_free.
2835
2836 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2837
2838         PR target/52146
2839         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2840         negative constant address for x32.
2841
2842 2012-02-10  Richard Henderson  <rth@redhat.com>
2843
2844         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2845         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2846         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2847
2848 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2849             Ira Rosen  <irar@il.ibm.com>
2850
2851         PR tree-optimization/50031
2852         * targhooks.c (default_builtin_vectorization_cost): Handle
2853         vec_promote_demote.
2854         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2855         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2856         all types of reduction and pattern statements.
2857         (vect_estimate_min_profitable_iters): Likewise.
2858         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2859         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2860         for explicit realigns.
2861         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2862         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2863         vec_promote_demote.
2864         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2865         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2866         vec_perm for VSX and handle vec_promote_demote.
2867
2868 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2869
2870         PR middle-end/52177
2871         * builtins.c (fold_builtin_atomic_always_lock_free,
2872         expand_builtin_atomic_always_lock_free,
2873         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2874         Return and/or test boolean_true_node/boolean_false_node instead of
2875         integer_one_node/integer_zero_node.
2876
2877 2012-02-10  Jan Hubicka  <jh@suse.cz>
2878
2879         PR middle-end/48600
2880         * predict.c (predict_paths_for_bb): Prevent looping.
2881         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2882
2883 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2884
2885         * config/arm/arm.c (output_move_double): In one case properly
2886         count number of instructions that will be emitted.
2887
2888 2012-02-10  Richard Guenther  <rguenther@suse.de>
2889
2890         PR translation/52193
2891         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2892
2893 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2894
2895         PR middle-end/52140
2896         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2897
2898 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR debug/52165
2901         * var-tracking.c (emit_note_insn_var_location): If
2902         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2903         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2904         non-NOTE_DURING_CALL_P insn.
2905
2906 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2907
2908         PR middle-end/51867
2909         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2910
2911 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2912
2913         PR driver/48524
2914         * gcc.c (switch_matches) Support switches with separated form,
2915         -D and -U.
2916
2917 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2918
2919         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2920         (SP_ADDR): Ditto.
2921         (RAMPZ_ADDR): Ditto.
2922         * config/avr/avr.c (avr_addr_t): New typedef.
2923         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2924         (avr_init_expanders): Initialize it.
2925         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2926         SREG_ADDR.
2927         (expand_epilogue): Ditto.
2928         (avr_print_operand): Ditto.
2929         (avr_file_start): Ditto.
2930         (avr_emit_movmemhi): Ditto.
2931
2932 2012-02-08  Richard Guenther  <rguenther@suse.de>
2933
2934         PR tree-optimization/46886
2935         * tree-flow.h (do_while_loop_p): Declare.
2936         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2937         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2938
2939 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2940
2941         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2942         always succeed for integers larger than a native word.
2943
2944 2012-02-08  Richard Guenther  <rguenther@suse.de>
2945
2946         PR rtl-optimization/52170
2947         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2948         properly handle integer vector modes.
2949
2950 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2951
2952         PR gcov-profile/52150
2953         * coverage.c: Include target.h.
2954         (build_var): Call targetm.strip_name_encoding on the assembler name.
2955         Change one _ into . or $ if the target allows it.
2956         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2957
2958         PR rtl-optimization/52139
2959         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2960         is a BARRIER after emit_insn_after_noloc, move BB_END
2961         to the last non-BARRIER insn before it.
2962
2963 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2964
2965         PR middle-end/24306
2966         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2967         (mips_gimplify_va_arg_expr): Call it instead of
2968         std_gimplify_va_arg_expr.
2969
2970 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2971
2972         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2973         message for -mno-pointers-to-nested-function.
2974
2975 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2976
2977         PR middle-end/51994
2978         * expr.c (get_inner_reference): If there is an offset, add a negative
2979         bit position to it (if any).
2980
2981 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2982
2983         PR rtl-optimization/52060
2984         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2985         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2986         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2987         and/or i0src_copy2 when needed.
2988
2989 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2990
2991         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2992         or LTOPLUGINSONAME if have_c.
2993
2994         * config/freebsd-spec.h: Add comment about what macros can be defined
2995         in this header.
2996         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2997         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2998         here instead.
2999
3000 2012-02-07  Richard Guenther  <rguenther@suse.de>
3001
3002         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3003         newline in -alias dumps.
3004
3005 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3006             Dave Korn  <dave.korn.cygwin@gmail.com>
3007
3008         PR target/40068
3009         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3010         Take care that typinfo gets dllexport-attribute.
3011
3012 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3013
3014         PR middle-end/52074
3015         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3016         if modifier < EXPAND_SUM call force_operand on the result.
3017
3018 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3019
3020         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3021         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3022         present.
3023         (epiphany_function_type): Replace types for specific interrupts with
3024         EPIPHANY_FUNCTION_INTERRUPT.
3025         (EPIPHANY_INTERRUPT_P): Update.
3026         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3027         New static function.
3028         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3029         <disinterrupt>: Affects type identity.
3030         (epiphany_handle_interrupt_attribute): Handle variable number of
3031         arguments.
3032         (epiphany_compute_function_type): Update for new
3033         epiphany_function_type definition.
3034         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3035         handlers with a longcall forwarder.
3036         (epiphany_start_function): Handle multiple interrupt arguments and/or
3037         forwarder_section attribute.
3038
3039         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3040         libgloss.
3041
3042 2012-02-07  Alan Modra  <amodra@gmail.com>
3043
3044         PR target/52107
3045         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3046         subregs of TFmode.
3047
3048 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3049
3050         PR tree-optimization/50969
3051         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3052         use vec_perm rather than vector_stmt.
3053         (vect_model_load_cost): Likewise.
3054         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3055         vec_perm to be the same as other vector statements.
3056         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3057         cost of vec_perm for TARGET_VSX.
3058
3059 2012-02-06  Richard Guenther  <rguenther@suse.de>
3060
3061         PR tree-optimization/52115
3062         * tree-sra.c (access_has_replacements_p): New function.
3063         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3064
3065 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3066
3067         PR middle-end/52047
3068         * trans-mem.c (expand_call_tm): Add an assertion.
3069         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3070         functions.
3071
3072 2012-02-06  Richard Guenther  <rguenther@suse.de>
3073
3074         PR tree-optimization/50955
3075         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3076         raise cost of expressions that replace an address with an
3077         expression based on a different pointer.
3078
3079 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3080
3081         PR target/52129
3082         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3083         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3084
3085 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3086
3087         PR c++/48680
3088         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3089         -Weffc++ and specify guidelines come from second edition.
3090
3091 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3092
3093         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3094         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3095         (call_direct_split, call_value_split, call_value_internal_direct)
3096         (call_value_direct_split, call_value_multiple_split): Use jal and
3097         jal_macro attributes.
3098
3099 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3100
3101         * reload1.c (reload_regs_reach_end_p): Replace with...
3102         (reload_reg_rtx_reaches_end_p): ...this function.
3103         (new_spill_reg_store): Update commentary.
3104         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3105         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3106         before setting new_spill_reg_store.
3107         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3108         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3109         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3110         for non-spill reload registers.
3111
3112 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3113
3114         PR tree-optimization/52091
3115         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3116         (vect_is_simple_use_1): Likewise.
3117         * tree-vect-loop.c (vectorizable_reduction): Update calls
3118         to vect_is_simple_use_1 and vect_is_simple_use.
3119         (vectorizable_live_operation): Likewise.
3120         * tree-vect-patterns.c (widened_name_p,
3121         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3122         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3123         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3124         vectorizable_shift,vectorizable_operation, vectorizable_store,
3125         vectorizable_load): Likewise.
3126         (vect_is_simple_cond): Add an argument, pass it to
3127         vect_is_simple_use_1.
3128         (vectorizable_condition): Update calls to vect_is_simple_cond,
3129         vect_is_simple_use.
3130         (vect_is_simple_use): Add an argument, the statement in which
3131         OPERAND is used.  Check that if OPERAND's def stmt is a double
3132         reduction phi node, the use is a phi node too.
3133         (vect_is_simple_use_1): Add an argument, pass it to
3134         vect_is_simple_use.
3135         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3136         to vect_is_simple_use.
3137
3138 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3139
3140         PR rtl-optimization/52095
3141         * modulo-sched.c (dump_insn_locator): New function.
3142         (loop_canon_p, sms_schedule): Use it.
3143
3144         PR rtl-optimization/52113
3145         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3146         even for decomposable shift/zext insns.
3147
3148 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3149             Zdenek Dvorak  <ook@ucw.cz>
3150
3151         PR rtl-optimization/52092
3152         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3153         on get_iv_value result.
3154
3155 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3156
3157         PR middle-end/47982
3158         PR middle-end/43967
3159         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3160
3161 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3162
3163         PR middle-end/48071
3164         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3165
3166 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3167
3168         PR rtl-optimization/49800
3169         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3170         (sched_finish): Call regstat_free_n_sets_and_refs.
3171
3172 2012-02-02  Jia Liu  <proljc@gmail.com>
3173
3174         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3175         than operand 2.
3176
3177 2012-02-02  Jan Hubicka  <jh@suse.cz>
3178             Tom de Vries  <tom@codesourcery.com>
3179
3180         PR middle-end/51998
3181         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3182         * varpool.c (varpool_analyze_pending_decls): Likewise.
3183
3184 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3185             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3186
3187         * config.gcc: Add cr16-* support.
3188
3189         * doc/extend.texi: Document cr16 extensions.
3190         * doc/install.texi: Document cr16 install.
3191         * doc/invoke.texi: Document cr16 options.
3192         * doc/md.texi: Document cr16 constraints.
3193
3194         * common/config/cr16/cr16-common.c: New file.
3195         * config/cr16/cr16.c: New file.
3196         * config/cr16/cr16.h: New file.
3197         * config/cr16/cr16.md: New file.
3198         * config/cr16/cr16.opt: New file.
3199         * config/cr16/cr16-protos.h: New file.
3200         * config/cr16/predicates.md: New file.
3201         * config/cr16/constraints.md: New file.
3202         * config/cr16/t-cr16: New file.
3203
3204 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3205
3206         PR target/52086
3207         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3208         that operands[2] is either immediate, or q_regs_operand.
3209
3210         PR tree-optimization/52073
3211         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3212         a pattern stmt for pattern uses, ignore uses outside of the loop.
3213
3214 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3215
3216         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3217         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3218         (OUT_AS1, OUT_AS2): Remove.
3219
3220 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3221
3222         PR rtl-optimization/51374
3223         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3224         to cross other volatile_refs_p insns.
3225
3226 2012-02-01  Richard Guenther  <rguenther@suse.de>
3227
3228         * doc/invoke.texi (fno-inline): Clarify documentation.
3229         (finline-small-functions): Likewise.
3230         (finline-functions): Likewise.
3231         * common.opt (finline): Adjust comment and documentation.
3232         (finline-small-functions): Clarify documentation.
3233         (finline-functions): Likewise.
3234         (finline-functions-called-once): Likewise.
3235
3236 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3237
3238         * c-typeck.c (composite_type): Keep mode for pointers.
3239
3240 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3241
3242         * function.h (regno_reg_rtx): Adjust comment.
3243         * reginfo.c (init_reg_modes_target): Only use the previous mode
3244         if it fits within one register.  Remove MIPS comment.
3245
3246 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3247
3248         PR bootstrap/52058
3249         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3250
3251 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3252
3253         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3254         to srak instruction.
3255
3256 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3257
3258         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3259
3260 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3261
3262         PR bootstrap/52041
3263         PR bootstrap/52039
3264         PR target/51974
3265         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3266
3267 2012-01-31  Richard Guenther  <rguenther@suse.de>
3268
3269         PR tree-optimization/51528
3270         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3271         assigns.
3272
3273 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3274
3275         PR bootstrap/52041
3276         PR bootstrap/52039
3277         PR target/51974
3278         * ree.c (add_removable_extension): Change def_map argument
3279         to unsigned *, store in def_map 1 + offset into *insn_list vector
3280         instead of pointers into the vector.
3281         (find_removable_extensions): Adjust caller.
3282
3283 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3284
3285         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3286         Transform all "* quoted-c-code" to { c-code }.
3287         Remove redundant test for "optimize" in combine patterns.
3288         Move (include "avr-dimode.md") to end of file.
3289
3290 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3291
3292         PR target/51835
3293         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3294         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3295
3296 2012-01-30  Richard Guenther  <rguenther@suse.de>
3297
3298         PR tree-optimization/52028
3299         * tree-loop-distribution.c (ldist_gen): Properly update
3300         virtual SSA form.
3301
3302 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3303
3304         PR debug/52027
3305         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3306         set_cur_line_info_table if not emitting debug info.
3307
3308         PR tree-optimization/52046
3309         * tree-vect-patterns.c (check_bool_pattern): Give up if
3310         a comparison could throw.
3311
3312         PR debug/52048
3313         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3314
3315 2012-01-30  Richard Guenther  <rguenther@suse.de>
3316
3317         PR tree-optimization/52045
3318         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3319         SSA form if cfgcleanup did anything.
3320
3321 2012-01-30  Richard Guenther  <rguenther@suse.de>
3322
3323         PR tree-optimization/52045
3324         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3325         before computing final todo.
3326
3327 2012-01-30  Richard Guenther  <rguenther@suse.de>
3328
3329         PR tree-optimization/51528
3330         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3331         for PR51528 fix.
3332
3333 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3334
3335         * df-problems.c (df_kill_notes): Check that the use refers
3336         to the note under examination.
3337
3338 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3339
3340         PR target/51920
3341         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3342         parameter and use short-lived pseudos.
3343         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3344         (sparc_expand_vector_init): Const-ify local variables and adjust
3345         calls to above functions.
3346
3347 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3348
3349         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3350
3351 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3352
3353         * doc/invoke.texi: Make usage of "compile time" and
3354         "run time"/"runtime" consistent throughout the file.
3355
3356 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3357
3358         * config/alpha/alpha.c (alpha_option_override): Default to
3359         full IEEE compliance mode for Go language.
3360
3361 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3362
3363         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3364         (LINK_SSP_SPEC): Define.
3365
3366 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3367
3368         PR target/51871
3369         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3370         stubs.
3371
3372 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3373
3374         * doc/invoke.texi: Correct hyphenation of "floating point",
3375         "double precision", and related terminology throughout the file.
3376
3377 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3378
3379         PR target/52006
3380         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3381         arm_general_register_operand predicate for operand 2 instead of
3382         register_operand.
3383
3384 2012-01-27  Ian Lance Taylor  <iant@google.com>
3385
3386         PR go/47656
3387         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3388         * builtins.c (expand_builtin_init_trampoline): Add onstack
3389         parameter.  Change caller.
3390         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3391         * tree.c (build_common_builtin_nodes): Declare
3392         __builtin_init_heap_trampoline.
3393
3394 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3395
3396         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3397         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3398         * config/avr/avr.c: Ditto.
3399         (avr_regnames): Remove because unused.
3400         * config/avr/avr.md (*cpse.ne): New peephole.
3401         (*cpse.eq): New peephole from former cpse peepholes.
3402
3403 2012-01-27  Michael Eager  <eager@eagercon.com>
3404
3405         * config/microblaze.c (microblaze_emit_compare): Correct
3406         test after pcmp instruction.
3407
3408 2012-01-27  Richard Guenther  <rguenther@suse.de>
3409
3410         PR tree-optimization/52020
3411         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3412
3413 2012-01-27  Richard Guenther  <rguenther@suse.de>
3414
3415         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3416         function non-const/pure.
3417
3418 2012-01-27  Richard Guenther  <rguenther@suse.de>
3419
3420         PR tree-optimization/50444
3421         * tree-sra.c (build_ref_for_offset): Properly adjust the
3422         MEM_REF type for unaligned accesses.
3423
3424 2012-01-27  Richard Guenther  <rguenther@suse.de>
3425
3426         PR tree-optimization/50444
3427         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3428         (expand_assignment): Use it.  Properly handle misaligned
3429         bases when expanding stores to component references.
3430         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3431         refactor that case.
3432
3433 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3434
3435         PR middle-end/51389
3436         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3437         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3438         * tree-data-ref.c (find_data_references_in_loop): Make static.
3439         (compute_all_dependences): Change return type to bool.  Bail out
3440         for too many datarefs in a loop.  Move the hunk resetting the data
3441         dependences vector from ...
3442         (compute_data_dependences_for_loop): ... here.  Account for
3443         compute_all_dependences returning false.
3444         (compute_data_dependences_for_bb): Likewise.
3445         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3446         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3447
3448 2012-01-27  Richard Guenther  <rguenther@suse.de>
3449
3450         PR middle-end/51959
3451         * expr.c (store_field): Use the alias-set of the scratch memory
3452         for storing to it.
3453
3454 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3455
3456         PR tree-optimization/51990
3457         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3458         WITH_SIZE_EXPR.
3459         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3460
3461 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3462
3463         PR debug/52001
3464         * var-tracking.c (reverse_op): Don't add any reverse operation
3465         if V already has any constant locations.
3466
3467 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3468
3469         * doc/invoke.texi: Correct usage of "command line" (noun)
3470         vs "command-line" (adjective) throughout.
3471
3472 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3473
3474         * doc/invoke.texi (Language Independent Options): Move
3475         -Wcoverage-mismatch blurb from here....
3476         (Warning Options): ...to here.
3477
3478 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3479
3480         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3481         Set rs6000_always_hint to false for 476.
3482
3483 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3484
3485         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3486           system root.
3487         * incpath.c (add_standard_paths): Likewise.
3488
3489 2012-01-27  Richard Henderson  <rth@redhat.com>
3490
3491         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3492         * config/m68k/sync.md (atomic_test_and_set): Rename from
3493         sync_test_and_setqi and adjust the operands.
3494         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3495         and unconditionally enable.
3496
3497 2012-01-27  Richard Henderson  <rth@redhat.com>
3498
3499         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3500         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3501         (ldstub): Rename from ldstubqi.
3502         (ldstub<I24MODE>): Remove.
3503
3504 2012-01-27  Richard Henderson  <rth@redhat.com>
3505
3506         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3507         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3508         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3509         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3510         * doc/tm.texi: Rebuild.
3511
3512 2012-01-27  Richard Henderson  <rth@redhat.com>
3513
3514         * optabs.c (gen_atomic_test_and_set): Remove default.
3515         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3516
3517 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3518
3519         PR rtl-optimization/51978
3520         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3521         (combine_reaching_defs): Likewise.
3522         (struct re_info): Remove.
3523         (add_removable_extension): Remove x and data arguments,
3524         add insn, insn_list and def_map.  Use the arguments directly
3525         instead of using struct re_info.
3526         (find_removable_extensions): Don't call add_removable_extension
3527         through note_stores, instead just call it with single_set
3528         result if non-NULL.
3529         (find_and_remove_re): Pass curr_cand->expr instead of
3530         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3531
3532 2012-01-26  Michael Matz  <matz@suse.de>
3533
3534         PR tree-optimization/46590
3535         * cfgexpand.c: Revert last change (r183305).
3536         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3537