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Back port Fix PR 52908 - xop-mul-1:f9 miscompiled on bulldozer (-mxop) to 4.7 branch
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
2
3         Backport from mainline 
4         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
5
6         PR target/52908
7         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
8         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
9         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
10         instead of xop_mulv2div2di3_low.
11         (xop_p<macs>dql): Fix vec_select selector.
12         (xop_p<macs>dqh): Ditto.
13         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
14         (xop_mulv2div2di3_high): Ditto.
15
16 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
17
18         Backport from mainline:
19         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
20
21         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
22
23 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24
25         Backport from mainline:
26         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27
28         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
29         * config/pa/pa.c (pa_attr_length_millicode_call): Use
30         MAX_PCREL17F_OFFSET instead of fixed offset.
31         (pa_attr_length_call): Likewise.
32         (pa_attr_length_indirect_call): Likewise.
33
34 2012-06-15  Walter Lee  <walt@tilera.com>
35
36         Backport from mainline:
37         2012-06-15  Walter Lee  <walt@tilera.com>
38
39         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
40
41         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
42
43         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
44
45 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
46
47         Backport from mainline:
48
49         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
50         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
51         * gimple.h (block_in_transaction): Check for flag_tm.
52
53 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
54
55         PR tree-optimization/52558
56
57         Backport from mainline:
58         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
59         * gimple.h (gimple_set_in_transaction): Remove.
60         (gimple_in_transaction): Look in BB instead.
61         (gimple_statement_base): Remove in_transaction field.
62         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
63         * trans-mem.c (compute_transaction_bits): Place transaction bit
64         information into basic blocks.
65
66         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
67
68         PR tree-optimization/52558
69         * cfg.c (alloc_aux_for_edge): Fix comment.
70         (alloc_aux_for_edge): Remove static.
71         * basic-block.h (alloc_aux_for_edge): Protoize.
72         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
73         (execute_sm_if_changed_flag): New.
74         (execute_sm_if_changed_flag_set): New.
75         (execute_sm): Do not generate data races unless requested.
76         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
77         (tree_ssa_lim_finalize): Call free_aux_for_edges.
78         * gimple.h (block_in_transaction): New.
79         (gimple_in_transaction): Use block_in_transaction.
80
81 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
82
83         Backported from mainline
84         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
85
86         PR rtl-optimization/53589
87         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
88         discovery even when e->dest != target.  If any LABEL_REF points
89         to e->dest label, redirect it to target's label.
90
91         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
92
93         PR middle-end/53580
94         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
95         returns false, replace stmt with GIMPLE_NOP.
96         (check_omp_nesting_restrictions): Instead of issuing warnings,
97         issue errors and return false if any errors were reported.
98
99 2012-06-14  Richard Guenther  <rguenther@suse.de>
100
101         * BASE-VER: Set to 4.7.2.
102         * DEV-PHASE: Set to prerelease.
103
104 2012-06-12  Christian Bruel  <christian.bruel@st.com>
105
106         PR target/53621
107         * config/sh/sh.c (sh_option_override): Don't force
108          flag_omit_frame_pointer and maccumulate_outgoing_args.
109         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
110
111 2012-06-14  Release Manager
112
113         * GCC 4.7.1 released.
114
115 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
116
117         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
118
119 2012-06-13  Richard Henderson  <rth@redhat.com>
120
121         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
122         iterator instead of INT.
123
124 2012-06-08  Richard Henderson  <rth@redhat.com>
125
126         PR c++/53602
127         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
128         note to a clobber insn when no other insn is available.
129
130 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
131
132         PR c++/53524
133         * doc/invoke.texi (Wenum-compare): Update documentation.
134
135 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
136
137         PR target/53559
138         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
139         operands.
140         (altivec_stvlxl): Ditto.
141         (altivec_stvrx): Ditto.
142         (altivec_stvrxl): Ditto.
143
144 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
145
146         PR middle-end/47530
147         * trans-mem.c (expand_block_edges): Do not skip the first
148         statement when resetting the BB.
149
150 2012-06-04  Richard Guenther  <rguenther@suse.de>
151
152         PR middle-end/53471
153         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
154         create new assembler names.
155
156 2012-06-04  Richard Guenther  <rguenther@suse.de>
157
158         Backport from mainline
159         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
160
161         PR middle-end/52979
162         * stor-layout.c (get_best_mode): Don't return mode with bitsize
163         larger than maxbits.  Don't compute maxbits modulo align.
164         Also check that unit bytes long store at bitpos / unit * unit
165         doesn't affect bits beyond bitregion_end.
166         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
167         would not fit into bitregion_start ... bitregion_end + 1 bit
168         region.
169         (store_split_bit_field): Decrease unit close to end of bitregion_end
170         if access is restricted in order to avoid mutual recursion.
171
172 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
173
174         Backport from 2012-06-04 mainline r188172
175
176         PR target/46261
177         * config/avr/avr-stdint.h: New file.
178         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
179         newlib-stdint.h
180
181 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
182
183         PR tree-optimization/53550
184         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
185         is POINTER_TYPE_P, use sizetype as step type instead of type.
186
187 2012-06-04  Richard Guenther  <rguenther@suse.de>
188             Eric Botcazou  <ebotcazou@adacore.com>
189
190         Backport from mainline
191         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
192
193         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
194         Change type of BITOFFSET to signed.  Make sure the lower bound of
195         the computed range is non-negative by adjusting OFFSET and BITPOS.
196         (expand_assignment): Adjust call to get_bit_range.
197
198         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
199
200         * expr.c (get_bit_range): Return the null range if the enclosing record
201         is part of a larger bit field.
202
203         2012-03-20  Richard Guenther  <rguenther@suse.de>
204
205         * stor-layout.c (finish_bitfield_representative): Fallback
206         to conservative maximum size if the padding up to the next
207         field cannot be computed as a constant.
208         (finish_bitfield_layout): If we cannot compute the distance
209         between the start of the bitfield representative and the
210         bitfield member start a new representative.
211         * expr.c (get_bit_range): The distance between the start of
212         the bitfield representative and the bitfield member is zero
213         if the field offsets are not constants.
214
215         2012-03-16  Richard Guenther  <rguenther@suse.de>
216
217         * stor-layout.c (finish_bitfield_representative): Fall back
218         to the conservative maximum size if we cannot compute the
219         size of the tail padding.
220
221         2012-03-14  Richard Guenther  <rguenther@suse.de>
222
223         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
224         * stor-layout.c (start_bitfield_representative): New function.
225         (finish_bitfield_representative): Likewise.
226         (finish_bitfield_layout): Likewise.
227         (finish_record_layout): Call finish_bitfield_layout.
228         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
229         for QUAL_UNION_TYPE fields.
230         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
231         Stream DECL_BIT_FIELD_REPRESENTATIVE.
232         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
233
234         PR middle-end/52080
235         PR middle-end/52097
236         PR middle-end/48124
237         * expr.c (get_bit_range): Unconditionally extract bitrange
238         from DECL_BIT_FIELD_REPRESENTATIVE.
239         (expand_assignment): Adjust call to get_bit_range.
240
241 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
242
243         PR middle-end/53501
244         * fold-const.c (fold_binary_loc): Refine previous change.
245
246 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
247
248         Backport from mainline
249         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
250
251         PR target/52667
252         * config/sh/sh.c (find_barrier): Add equality check of last_got to
253         avoid going above orig insn.  Update comments.
254
255 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
256
257         Backport from mainline
258         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
259
260         PR target/52642
261         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
262         prologue for unwinder and profiler.
263
264 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
265
266         Backport from mainline
267         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
268
269         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
270
271 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
272
273         Backport from mainline
274         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
275
276         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
277         DBX_REGISTER_NUMBER.
278
279 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
280
281         Backport from mainline
282         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
283
284         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
285         operand is CONST_INT.  Take COSTS_N_INSNS into account.
286         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
287         shiftcosts.     
288
289 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
290
291         * config/avr/avr.opt (-msp8): Document it.
292         * doc/invoke.texi (AVR Options): Copy from trunk docu.
293
294 2012-05-31  Richard Guenther  <rguenther@suse.de>
295
296         PR middle-end/48493
297         * expr.c (expand_assignment): Do not use movmisalign on
298         non-memory.
299
300 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
301
302         PR target/52999
303         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
304         (pa_section_type_flags): New.
305         (pa_legitimate_constant_p): Revert previous change.
306
307 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
308
309         Backport from mainline
310         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
311
312         PR middle-end/53008
313         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
314         accessed indirectly.
315         (ipa_tm_create_version): Same.
316
317 2012-05-30  Jason Merrill  <jason@redhat.com>
318
319         PR c++/53220
320         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
321         about array compound literals.
322
323 2012-05-30  Richard Guenther  <rguenther@suse.de>
324
325         PR middle-end/53501
326         * fold-const.c (fold_binary_loc): Make sure to call
327         fold_plusminus_mult_expr with the original sign of operands.
328
329 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
330
331         * explow.c (probe_stack_range): Restore simple control flow and stop
332         again when the probe cannot be generated if HAVE_check_stack.
333
334 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
335
336         PR rtl-optimization/53519
337         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
338         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
339
340 2012-05-29  Richard Guenther  <rguenther@suse.de>
341
342         PR tree-optimization/53516
343         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
344         bitfield accesses.
345         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
346
347 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
348
349         Backport from mainline
350         2012-05-28  Richard Guenther  <rguenther@suse.de>
351
352         PR tree-optimization/53438
353         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
354
355 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
356
357         Backport from mainline
358         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
359
360         PR rtl-optimization/52528
361         * combine.c (can_combine_p): Add setting of subst_low_luid
362         before call to expand_field_assignment().
363
364 2012-05-26  Martin Jambor  <mjambor@suse.cz>
365
366         Backport from mainline
367         2012-05-23  Martin Jambor  <mjambor@suse.cz>
368
369         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
370
371 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
372
373         PR lto/52178
374         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
375         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
376
377 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
378
379         PR target/53435
380         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
381         (ix86_expand_vec_perm): Use int mode instead of float.
382
383 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
384
385         PR ada/52362
386         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
387         gnu_ld variables to yes.
388         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
389         (HAVE_GNU_AS): Likewise.
390         * config.in: Regenerate.
391         * configure: Likewise.
392
393 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
394
395         Backport from mainline
396         2012-03-12  Richard Guenther  <rguenther@suse.de>
397         * config/arm/arm.c (neon_dereference_pointer): Do not call
398         covert during RTL expansion.
399
400 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
401
402         Backport from mainline
403         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
404
405         PR target/53385
406         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
407         relied on signed overflow behavior.
408
409 2012-05-24  Richard Guenther  <rguenther@suse.de>
410
411         PR middle-end/53460
412         * tree-profile.c (tree_profiling): Cleanup the CFG if
413         execute_fixup_cfg requests it.
414
415 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
416
417         PR tree-optimization/53465
418         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
419         vr0 into *vr, then vrp_meet that.
420         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
421         have any equivalences.
422         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
423         first time.
424
425 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
426
427         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
428         size handling.
429         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
430         (iterative_hash_gimple_type): Adjust comment.
431         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
432         domain for an array type instead of the domain type itself.
433
434 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
435
436         Backport from 2012-05-23 mainline r187803
437
438         PR target/53448
439         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
440         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
441         ASM_OUTPUT_ALIGN.
442
443 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
444
445         Backport from 2012-05-03 mainline r187075
446
447         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
448         has_fma4 for AMD processors with both fma3 and fma4 support.
449
450 2012-05-22  Richard Guenther  <rguenther@suse.de>
451
452         PR tree-optimization/53408
453         * tree-vect-loop.c (vectorizable_induction): Properly check
454         the restriction that we cannot handle induction results from
455         the inner loop outside of the outer loop.
456
457 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
458
459         PR tree-optimization/53436
460         * omp-low.c (omp_build_component_ref): New function.
461         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
462
463         PR tree-optimization/53366
464         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
465         tests if complex_numbers == 2, but there are non-complex number loads
466         too.
467
468         PR tree-optimization/53409
469         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
470         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
471
472         PR tree-optimization/53410
473         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
474         instead of build_int_cst (type, 0) where vector types might be
475         involved.
476
477 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
478
479         PR c/53418
480         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
481         from folded operands before wrapping another around the
482         conditional expression.
483
484 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
485             Patrick Marlier  <patrick.marlier@gmail.com>
486
487         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
488         indirect calls.
489
490 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
491
492         Backport from mainline
493         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
494
495         PR target/53416
496         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
497         (UNSPECV_RDRAND): This.
498         (rdrand<mode>_1): Updated.
499
500 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
501
502         Backport from mainline
503         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
504
505         * config/i386/driver-i386.c (host_detect_local_cpu): Support
506         RDRND, F16C and FSGSBASE.
507
508 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
509
510         Backport from mainline
511         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
512
513         * tree-ssa-pre.c (can_value_number_call): Delete.
514         (compute_avail): Skip all statements with side effects.
515         <GIMPLE_CALL>: Skip calls to internal functions.
516
517 2012-05-18  David S. Miller  <davem@davemloft.net>
518
519         Backport r185385 from mainline
520         2012-03-14  Richard Guenther  <rguenther@suse.de>
521
522         PR middle-end/52584
523         * tree-vect-generic.c (type_for_widest_vector_mode): Take
524         element type instead of mode, use build_vector_type_for_mode
525         instead of the langhook, build a vector of proper signedness.
526         (expand_vector_operations_1): Adjust.
527
528 2012-05-18  Olivier Hainque  <hainque@adacore.com>
529
530         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
531         $(libsubdir) as libexecsubdir.
532
533 2012-05-16  Andrew Pinski  <apinski@cavium.com>
534
535         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
536         GIMPLE_ASSIGN.
537
538 2012-05-16  David S. Miller  <davem@davemloft.net>
539
540         * jump.c (delete_related_insns): If we remove a CALL, make sure
541         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
542
543 2012-05-16  Richard Henderson  <rth@redhat.com>
544
545         PR debug/52727
546         * combine-stack-adj.c (prev_active_insn_bb): New.
547         (next_active_insn_bb): New.
548         (force_move_args_size_note): New.
549         (combine_stack_adjustments_for_block): Use it.
550
551 2012-05-16  Olivier Hainque  <hainque@adacore.com>
552
553         * Makefile.in (install-no-fixedincludes): New target, former toplevel
554         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
555         Add comments and improve stamp preservation across the whole sequence.
556         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
557
558 2012-05-16  Richard Guenther  <rguenther@suse.de>
559
560         PR tree-optimization/53364
561         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
562         detect a view-conversion of the decl.
563
564 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
565
566         PR target/53358
567         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
568         that operands[2] is either immediate, or q_regs_operand.
569
570 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
571
572         Backport r187139 from mainline.
573         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
574
575         PR rtl-optimization/52804
576         * reload1.c (reload_reg_reaches_end_p): Check whether successor
577         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
578         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
579         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
580         RELOAD_FOR_OUTADDR_ADDRESS.
581
582 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
583
584         PR target/46098
585         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
586         generate target register for "load" class builtins.
587
588         Revert:
589         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
590
591         PR target/46098
592         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
593         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
594         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
595         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
596         (<sse>_movu<ssemodesuffix>): New expander.
597         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
598         (avx_movdqu<avxmodesuffix>): New expander.
599         (*sse2_movdqu): Rename from sse2_movdqu.
600         (sse2_movdqu): New expander.
601
602 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
603
604         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
605         lineno 1 the same as lineno 0 before first start file directive.
606         (optimize_macinfo_range): Likewise.
607
608         * dwarf2out.c (have_macinfo): Define.
609         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
610         attribute, don't force empty compilation unit and don't emit any
611         .debug_macinfo/.debug_macro section if macinfo_table is empty.
612
613 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
614
615         Backport from mainline
616         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
617
618         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
619         ORDERED and UNORDERED conditions.
620
621 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
622
623         * function.c (requires_stack_frame_p): If the function can throw
624         non-call exceptions, return true if the insn can throw internally.
625
626 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
627
628         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
629         DECL_ORIGINAL_TYPE if it is present.
630
631 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
632
633         Backport from 2012-05-12 mainline r187342.
634
635         PR target/53256
636         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
637         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
638         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
639         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
640         (expand_prologue): Move initialization of cfun->machine->is_naked,
641         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
642         (avr_set_current_function): ...this new static function.
643         (TARGET_SET_CURRENT_FUNCTION): New define.
644         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
645         checking attributes of current_function_decl.
646         (avr_regs_to_save): Ditto.
647         (signal_function_p): Rename to avr_signal_function_p.
648         (interrupt_function_p): Rename to avr_interrupt_function_p.
649
650         * doc/extend.texi (Function Attributes): Better explanation of
651         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
652         alphabetical order.
653
654 2012-05-09  Matthias Klose  <doko@ubuntu.com>
655
656         * gcc-ar.c (main): Don't check for execute bits for the plugin.
657
658 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
659
660         PR target/53272
661         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
662         when a constant source operand matches an "I" constraint, the "no
663         CC0 change" applies to a register-destination only, not a
664         strict_low_part-destination.
665
666 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
667
668         Backport from mainline:
669         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
670
671         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
672
673 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
674
675         PR tree-optimization/53239
676         * tree-vrp.c (get_value_range): Set VR of
677         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
678         to nonnull.
679
680 2012-05-07  Richard Guenther  <rguenther@suse.de>
681
682         PR tree-optimization/53195
683         * tree-inline.c (setup_one_parameter): Properly add referenced
684         vars from the parameters new known value.
685
686 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
687
688         Backport from mainline:
689         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
690
691         PR target/52999
692         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
693         in constant pool.
694
695 2012-05-04  Ian Lance Taylor  <iant@google.com>
696
697         * tree-vect-patterns.c (vect_single_imm_use): Correct return
698         values from false to NULL.
699
700 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
701
702         Backport from mainline
703         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
704
705         PR target/53228
706         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
707         (TARGET_CMOV): Rename from TARGET_CMOVE.
708         (TARGET_CMOVE): New define.
709         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
710         Do not set TARGET_CMOVE here.
711
712 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
713
714         Backport from mainline:
715
716         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
717
718         PR tree-optimization/52633
719         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
720         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
721         (vect_recog_over_widening_pattern): Remove handling of code that was
722         already detected as over-widening pattern.  Remove special handling
723         of "unsigned" cases.  Instead, support general case of conversion
724         of the shift result to another type.
725
726         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
727
728         * tree-vect-patterns.c (vect_single_imm_use): New function.
729         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
730         (vect_recog_over_widening_pattern): Likewise.
731         (vect_recog_widen_shift_pattern): Likewise.
732
733         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
734
735         PR tree-optimization/52870
736         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
737         presumed pattern statement is within the same loop or basic block.
738
739 2012-05-04  Richard Guenther  <rguenther@suse.de>
740
741         * common.opt (flto-report): Do not mark as Optimization.
742
743 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
744
745         PR target/48496
746         * recog.c (constrain_operands): If extra constraints are present, also
747         accept pseudo-registers with equivalent memory locations during reload.
748
749 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
750
751         Backport from the mainline
752         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
753
754         PR target/53199
755         * config/rs6000/rs6000.md (bswapdi splitters): If
756         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
757         default) is used, generate an alternate sequence that does not
758         depend on using indexed addressing.
759
760 2012-05-03  David S. Miller  <davem@davemloft.net>
761
762         PR target/52684
763         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
764         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
765         (sparc_emit_float_lib_cmp): Likewise.
766
767 2012-05-04  Martin Jambor  <mjambor@suse.cz>
768
769         Backport from mainline
770         2012-05-02  Martin Jambor  <mjambor@suse.cz>
771
772         PR lto/52605
773         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
774         of a variable when the contect is a function.
775
776 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
777
778         PR plugins/53126
779         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
780         append program name to it and pass that as first argument
781         to make_relative_prefix.  Always pass standard_libexec_prefix
782         as last argument to make_relative_prefix.  If
783         make_relative_prefix returns NULL, fall back to
784         standard_libexec_prefix.
785
786         PR debug/53174
787         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
788         removed.
789
790         PR target/53187
791         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
792         mode, return that mode.
793
794 2012-05-03  Richard Guenther  <rguenther@suse.de>
795
796         PR tree-optimization/53144
797         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
798         Rename to ...
799         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
800         with SSA name values.
801         (vn_reference_lookup_3): Adjust callers.
802
803 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
804
805         PR tree-optimization/53163
806         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
807         return value from compute_all_dependences.
808
809         PR rtl-optimization/53160
810         * ree.c (combine_reaching_defs): Handle the case where cand->insn
811         has been modified by ree pass already.
812
813 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
814
815         Backport from mainline
816         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
817
818         PR middle-end/53136
819         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
820         calls to cgraph_node_name in xstrdup.
821         (ipa_make_edge_direct_to_target): Ditto.
822         * tree-sra.c (convert_callers_for_node): Ditto.
823         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
824         * ipa-cp.c (perhaps_add_new_callers): Ditto.
825         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
826         (cgraph_materialize_all_clones): Ditto.
827         * ipa-inline.c (report_inline_failed_reason): Ditto.
828         (want_early_inline_function_p): Ditto.
829         (edge_badness): Ditto.
830         (update_edge_key): Ditto.
831         (flatten_function): Ditto.
832         (ipa_inline): Ditto.
833         (inline_always_inline_functions): Ditto.
834         (early_inline_small_functions): Ditto.
835
836 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
837
838         Backport from mainline
839         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
840
841         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
842         Introduce emul_name to select the right linker emulation for
843         powerpc64-*-freebsd*.
844         * configure: Regenerate.
845         * config.gcc: Add bits to support powerpc64-*-freebsd*.
846         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
847         * config/rs6000/freebsd64.h: New file.
848         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
849         POWERPC_FREEBSD.
850         (rs6000_savres_strategy): Likewise.
851         (rs6000_savres_routine_name): Likewise.
852         (rs6000_elf_file_end): Likewise.
853         * config/rs6000/t-freebsd64: New file.
854         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
855         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
856
857 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
858
859         Backport from mainline
860         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
861
862         PR target/53138
863         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
864
865 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
866
867         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
868         predicate to discriminate types.
869
870 2012-04-27  Richard Guenther  <rguenther@suse.de>
871
872         PR c/51527
873         * convert.c (convert_to_integer): Avoid infinite recursion for
874         target-defined built-in types.
875
876 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
877
878         PR target/53120
879         * config/cris/cris.md ("*andhi_lowpart_v32")
880         ("*andqi_lowpart_v32"): Change first input-only operand from
881         a (match_operand ...) to (match_dup 0).  Drop alternatives with
882         const_int-matching constraints for redundancy.
883         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
884         three-operand alternative.
885
886 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
887
888         Backport from mainline
889         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
890
891         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
892         (*addsi_2_zext): Ditto.
893         (*add<mode>_3): Ditto.
894         (*addsi_3_zext): Ditto.
895         (*add<mode>_5): Ditto.
896
897 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
898
899         PR c/52880
900         * c-typeck.c (set_nonincremental_init,
901         set_nonincremental_init_from_string): Pass true instead of false
902         as IMPLICIT to add_pending_init.
903
904 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
905
906         Backport from 2012-04-24 mainline r186768.
907
908         PR target/53065
909         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
910
911 2012-04-24  Richard Guenther  <rguenther@suse.de>
912
913         PR tree-optimization/53085
914         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
915         stores.
916
917 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
918
919         PR middle-end/53084
920         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
921         of MEM_REF.
922         (output_addressed_constants): Likewise.
923
924         PR middle-end/52999
925         * varasm.c (get_section): Don't ICE for section conflicts with
926         built-in section kinds.
927
928 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
929
930         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
931
932 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
933
934         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
935
936 2012-04-23  Richard Guenther  <rguenther@suse.de>
937
938         PR c/53060
939         * c-typeck.c (build_binary_op): Fix typo.
940
941 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
942
943         PR tree-optimizations/52891
944         * tree-vect-patterns.c (adjust_bool_pattern): Use
945         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
946         but with non-standard precision.
947
948 2012-04-22  Ian Lance Taylor  <iant@google.com>
949
950         * godump.c (go_output_typedef): Dump size of structs.
951
952 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
953
954         Backport from mainline:
955
956         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
957         hints for 'A' operand types.
958
959 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
960
961         Backport from 2012-04-19 mainline r186588.
962
963         PR target/53033
964         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
965         the case *(X+const).
966
967 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
968
969         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
970
971 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
972
973         PR target/53020
974         * config/i386/sync.md (atomic_<code><mode>): Rename to
975         atomic_<logic><mode>.
976
977 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
978
979         Backport from mainline
980         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
981
982         PR target/52932
983         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
984         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
985         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
986         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
987         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
988         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
989         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
990         gen_avx2_permvarv8sf.
991
992 2012-04-16  Martin Jambor  <mjambor@suse.cz>
993
994         Backported from mainline
995
996         2012-04-13  Martin Jambor  <mjambor@suse.cz>
997         PR middle-end/52939
998
999         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1000         fold_ctor_reference returns a zero constant.
1001
1002 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1003
1004         Backported from mainline
1005         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1006
1007         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1008         and __ILP32__ for x32.
1009
1010 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1011
1012         Backport from mainline r186418.
1013
1014         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1015
1016         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1017         parameters vuse and vuse_escaped.
1018         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1019         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1020         vuse1 != vuse2.
1021
1022 2012-04-13  Richard Guenther  <rguenther@suse.de>
1023
1024         PR tree-optimization/52969
1025         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1026         the condition for the COND_EXPR and handle predicate negation
1027         by swapping the COND_EXPR arms.
1028
1029 2012-04-13  Richard Guenther  <rguenther@suse.de>
1030
1031         PR c/52862
1032         * convert.c (convert_to_pointer): Remove special-casing of
1033         zero.
1034
1035 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1036
1037         Backport from mainline
1038         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1039
1040         PR target/52775
1041         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1042         the list of options to enable the FCFID instruction.
1043         (TARGET_EXTRA_BUILTINS): Adjust comment.
1044
1045 2012-04-12  Richard Guenther  <rguenther@suse.de>
1046
1047         PR tree-optimization/52943
1048         * tree-chrec.h (chrec_is_positive): Remove.
1049         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1050         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1051         Return false for a constant zero instead of negative.
1052         (analyze_siv_subscript_cst_affine): Handle zero difference
1053         in the initial condition explicitely.
1054
1055 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1056
1057         PR middle-end/52894
1058         * varasm.c (process_pending_assemble_externals): Set
1059         pending_assemble_externals_processed true.
1060         (assemble_external): Call assemble_external_real if the pending
1061         assemble externals have been processed.
1062
1063 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1064
1065         PR target/52717
1066         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1067         the DECL generated for the special GOT helper.
1068
1069 2012-04-06  Walter Lee  <walt@tilera.com>
1070
1071         Backport from mainline
1072         2012-03-07  Walter Lee  <walt@tilera.com>
1073
1074         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1075         REG_CFA_* notes for the stack pointer.
1076         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1077         EH_RETURN_STACKADJ_RTX.
1078         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1079         generate REG_CFA_* notes for the stack pointer.
1080         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1081         by EH_RETURN_STACKADJ_RTX.
1082
1083 2012-04-06  Matt Turner  <mattst88@gmail.com>
1084
1085         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1086
1087 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1088
1089         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1090         of the destination isn't also a FP_REGS register.
1091
1092 2012-04-03  Richard Guenther  <rguenther@suse.de>
1093
1094         Backport from mainline
1095         2012-03-02  Richard Guenther  <rguenther@suse.de>
1096
1097         PR tree-optimization/52406
1098         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1099         (struct indices): Add unconstrained_base member.
1100         (struct dr_alias): Remove unused vops member.
1101         (DR_UNCONSTRAINED_BASE): New define.
1102         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1103         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1104         be an artificial access that covers the whole indexed object,
1105         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1106         plain decl base-objects to their MEM_REF variant.
1107         (dr_may_alias_p): When the base-object of either data reference
1108         has unknown size use only points-to information.
1109         (compute_affine_dependence): Make dumps easier to read and
1110         more verbose.
1111         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1112         DR_REF when looking for packed references.
1113         (vect_supportable_dr_alignment): Likewise.
1114
1115 2012-04-03  Richard Guenther  <rguenther@suse.de>
1116
1117         Backport from mainline
1118         2012-03-15  Richard Guenther  <rguenther@suse.de>
1119
1120         PR middle-end/52580
1121         * tree-data-ref.c (subscript_dependence_tester_1): Check
1122         all dimensions for non-conflicting access functions.
1123
1124 2012-04-03  Richard Guenther  <rguenther@suse.de>
1125
1126         Backport from mainline
1127         2012-03-06  Richard Guenther  <rguenther@suse.de>
1128
1129         PR middle-end/52493
1130         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1131
1132         2012-03-23  Richard Guenther  <rguenther@suse.de>
1133
1134         PR tree-optimization/52678
1135         * tree-vectorizer.h (struct _stmt_vec_info): Add
1136         loop_phi_evolution_part member.
1137         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1138         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1139         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1140         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1141         Use the cached evolution part and the PHI nodes value from
1142         the loop preheader edge instead of re-analyzing the evolution.
1143
1144         2012-03-26  Richard Guenther  <rguenther@suse.de>
1145
1146         PR tree-optimization/52701
1147         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1148         compute and set the evolution part of PHI nodes.
1149
1150         2012-03-30  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/52754
1153         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1154         propagate arbitrary addresses into really plain dereferences.
1155
1156 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1157
1158         PR tree-optimization/52835
1159         * tree-data-ref.c (build_rdg): Return NULL if
1160         compute_data_dependences_for_loop failed.
1161
1162 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1163
1164         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1165         (stmt_can_make_abnormal_goto): Use it.
1166         (is_ctrl_altering_stmt): Likewise.
1167
1168 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1169
1170         Backported from mainline
1171         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1172
1173         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1174         is a builtin_stack_save in a dominating BB.
1175
1176 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1177
1178         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1179         crossing 128bit lane boundary.
1180
1181 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1182
1183         Backported from mainline
1184         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1185
1186         PR target/52698
1187         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1188         New prototype.
1189         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1190         * config/i386/i386.c: Include reload.h.
1191         (ix86_legitimize_reload_address): New function.
1192
1193 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1194
1195         Backported from mainline
1196         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1197
1198         PR middle-end/52693
1199         * tree-sra.c (sra_modify_assign): Do not call
1200         load_assign_lhs_subreplacements when working with an unscalarizable
1201         region.
1202
1203 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1204
1205         PR middle-end/52691
1206         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1207         __builtin_va_start to __builtin_next_arg if the latter is
1208         builtin_decl_explicit_p rather than when it is not.
1209
1210         PR middle-end/52750
1211         * tree-vect-generic.c (vector_element): Perform multiplication
1212         for pos in bitsizetype type instead of idx type.
1213
1214 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1215
1216         Backport from 2012-03-28 mainline r185910.
1217
1218         PR target/52692
1219         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1220         (avr_builtin_decl): New static function.
1221         (struct avr_builtin_description, avr_bdesc): Move up.
1222         Add GTY marker. Add field fndecl. Remove redundant field id.
1223         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1224         (avr_expand_builtin): Code cleanup because .id is removed.
1225
1226 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1227
1228         PR middle-end/51893
1229         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1230         targets.
1231
1232 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1233
1234         Backport from 2012-03-28 mainline r185907.
1235
1236         PR target/52737
1237         * config.gcc (tm_file): Remove avr/multilib.h.
1238
1239         * doc/invoke.texi (AVR Options): Adjust
1240         documentation of -mtiny-stack.
1241
1242         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1243         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1244         * config/avr/t-avr: Remove generation of multilib.h.
1245         * config/avr/t-multilib: Regenerate.
1246         * config/avr/multilib.h: Remove.
1247         * config/avr/avr.opt (-msp8): New option.
1248         (avr_sp8): New variable.
1249         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1250         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1251         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1252         (avr_device_to_sp8): New prototype.
1253         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1254         (DRIVER_SELF_SPECS): New define.
1255         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1256         __AVR_SP8__, __AVR_HAVE_SPH__.
1257         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1258         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1259         (avr_file_start): Ditto.
1260
1261 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1262
1263         PR target/52736
1264         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1265         instead of 8 in adjust_address.
1266
1267 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1268
1269         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1270         of a unit before computing the offset in units.
1271
1272 2012-03-27  Richard Guenther  <rguenther@suse.de>
1273
1274         PR middle-end/52720
1275         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1276         explicitely.
1277
1278 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1279
1280         PR target/52610
1281         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1282
1283 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1284
1285         PR middle-end/52640
1286         * varasm.c: Include pointer-set.h.
1287         (pending_assemble_externals_set): New pointer set.
1288         (process_pending_assemble_externals): Destroy the pointer set.
1289         (assemble_external): See if decl is in pending_assemble_externals_set,
1290         and add it to pending_assemble_externals if necessary.
1291         (init_varasm_once): Allocate pending_assemble_externals_set.
1292
1293 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1294
1295         Backported from mainline
1296         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1297
1298         PR target/50310
1299         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1300         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1301         (vector_ltgt<mode>): Likewise.
1302         (vector_ordered<mode>): Likewise.
1303         (vector_unordered<mode>): Likewise.
1304         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1305
1306 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1307
1308         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1309         Make static.
1310
1311 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1312
1313         Backported from mainline
1314         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1315
1316         PR target/48596
1317         PR target/48806
1318         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1319         GENERAL_REGS and FP_REGS for SImode.
1320
1321 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1322
1323         PR middle-end/52547
1324         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1325         on any new_local_var_chain vars declared during recursing on
1326         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1327
1328 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1329
1330         Backport from 2012-03-22 mainline r185692.
1331
1332         PR target/52496
1333         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1334         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1335         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1336         (delay_cycles_1, delay_cycles_2): Ditto.
1337         (delay_cycles_3, delay_cycles_4): Ditto.
1338         (nopv, *nopv): Ditto.
1339         (sleep, *sleep): Ditto.
1340         (wdr, *wdr): Ditto.
1341
1342         Backport from 2012-03-21 mainline r185605.
1343
1344         PR rtl-optimization/52543
1345         PR target/52461
1346         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1347         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1348         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1349         (avr_load_libgcc_p): Restrict to __flash loads.
1350         (avr_out_lpm): Only handle 1-byte loads from __flash.
1351         (avr_load_lpm): New function.
1352         (avr_find_unused_d_reg): Remove.
1353         (avr_out_lpm_no_lpmx): Remove.
1354         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1355         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1356         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1357         (load_<mode>, load_<mode>_clobber): New insns.
1358         (mov<mode>): For multi-byte move from non-generic
1359         16-bit address spaces: Expand to load_<mode> resp.
1360         load_<mode>_clobber.
1361         (load<mode>_libgcc): Remove expander.
1362         (split-lpmx): Remove split.
1363
1364         Backport from 2012-03-13 mainline r185329.
1365
1366         PR target/52488
1367         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1368         offset (size) to a value the insns can deal with.
1369         (expand_epilogue): Ditto.
1370
1371         Backport from 2012-03-12 mainline r185256.
1372
1373         PR target/52499
1374         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1375         type from reg_class_t to enum reg_class.
1376         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1377
1378         Backport from 2012-03-12 mainline r185253.
1379
1380         PR target/52148
1381         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1382         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1383         r184615 from 2012-02-28.
1384
1385         Backport from 2012-03-08 mainline r185105.
1386
1387         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1388         for constants in [-63,63].
1389
1390         Backport from 2012-03-08 mainline r185100.
1391
1392         PR target/52496
1393         * config/avr/avr.c (avr_mem_clobber): New static function.
1394         (avr_expand_delay_cycles): Add memory clobber operand to
1395         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1396         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1397         (enable_interrupt, disable_interrupt): New expander.
1398         (nopv, sleep, wdr): New expanders.
1399         (delay_cycles_1): Add memory clobber.
1400         (delay_cycles_2): Add memory clobber.
1401         (delay_cycles_3): Add memory clobber.
1402         (delay_cycles_4): Add memory clobber.
1403         (cli_sei): New insn from former "enable_interrupt",
1404         "disable_interrupt" with memory clobber.
1405         (*wdt): New insn from former "wdt" with memory clobber.
1406         (*nopv): Similar, but for "nopv".
1407         (*sleep): Similar, but for "sleep".
1408
1409         Backport from 2012-03-07 mainline r185043.
1410
1411         PR target/52484
1412         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1413
1414         Backport from 2012-03-07 mainline r185032.
1415
1416         PR target/52506
1417         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1418         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1419         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1420
1421         Backport from 2012-03-07 mainline r185031.
1422
1423         PR target/52505
1424         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1425         from RAM.
1426         * config/avr/avr.md (xload_8): Adjust insn length.
1427
1428         Backport from 2012-03-07 mainline r185030.
1429
1430         PR target/52461
1431         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1432         if RAMPZ affects reading from RAM.
1433
1434         Backport from 2012-03-05 mainline r184919.
1435
1436         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1437
1438 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1439
1440         Backport from mainline r185259.
1441
1442         PR other/52545
1443         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1444         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1445
1446 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1447
1448         Backported from mainline
1449         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1450
1451         PR c/52577
1452         * c-parser.c (c_parser_postfix_expression)
1453         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1454
1455         * config/i386/smmintrin.h: Avoid /* within a comment.
1456         * config/i386/nmmintrin.h: Likewise.
1457
1458 2012-03-22  Richard Guenther  <rguenther@suse.de>
1459
1460         * BASE-VER: Set to 4.7.1.
1461         * DEV-PHASE: Set to prerelease.
1462
1463 2012-03-22  Release Manager
1464
1465         * GCC 4.7.0 released.
1466
1467 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1468
1469         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1470
1471 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1472             Andrew Pinski  <apinski@cavium.com>
1473
1474         PR middle-end/52592
1475         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1476         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1477         calls instead of __builtin_ir{int,ound}*.
1478
1479 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1480
1481         PR c++/52582
1482         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1483         if c_node is NULL.
1484
1485 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1486
1487         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1488         Refer to GCC 4.7 version of c99status.html.
1489
1490 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1491
1492         Backport from mainline
1493         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1494
1495         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1496         redefine to be NULL if the current bit-size is different from the
1497         configured bit-size.
1498
1499         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1500         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1501         set the default tuning.  Add asserts to make sure the cpu and tune
1502         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1503         test whether the index is set, instead of > 0.
1504         (rs6000_file_start): Do not reset the default cpu if the current
1505         bit-size is different from the configured bit-size.
1506
1507 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1508
1509         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1510         binutils reference.
1511         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1512         Update binutils references.
1513         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1514         Update binutils reference.
1515         Update Sun as/GNU ld caveat.
1516         Document binutils largefile requirement for LTO plugin.
1517         Remove reference to alternate libpthread.
1518
1519 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1520
1521         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1522         reference.
1523         (Specific, mips-sgi-irix6): Likewise.
1524
1525 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1526
1527         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1528         * configure: Regenerate.
1529
1530 2012-03-07  Richard Henderson  <rth@redhat.com>
1531
1532         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1533         * config/m68k/sync.md (atomic_test_and_set): Use it.
1534         (atomic_test_and_set_1): Likewise.
1535
1536 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1537
1538         PR target/51417
1539         * Makefile.in: Let install-gcc-ar depend on installdirs,
1540         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1541         Don't double canonicalize if cross-compiling.
1542
1543 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1544
1545         * trans-mem.c: New typedef for tm_region_p.
1546         Define vector types for tm_region_p.
1547         (tm_region_init): Replace region_worklist to a vector called
1548         bb_regions.
1549
1550 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1551
1552         PR middle-end/52463
1553         * trans-mem.c (tm_region_init): Use last_basic_block.
1554
1555 2012-03-05  Richard Henderson  <rth@redhat.com>
1556
1557         PR tree-opt/52242
1558         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1559         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1560         BIGGEST_ALIGNMENT is aligned.
1561
1562 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1563
1564         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1565
1566 2012-03-05  Richard Henderson  <rth@redhat.com>
1567
1568         PR target/52481
1569         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1570         instead of calling negqi2 directly.
1571
1572 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1573
1574         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1575         (INTMAX_TYPE): Use it.
1576         (UINTMAX_TYPE): Likewise.
1577         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1578         (irix6_c_common_override_options): Declare.
1579         (C_COMMON_OVERRIDE_OPTIONS): Define.
1580         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1581         * config/mips/irix6-c.c: New file.
1582         * config/mips/t-irix6 (irix6-c.o): New target.
1583         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1584         cxx_target_objs.
1585
1586 2012-03-02  Richard Henderson  <rth@redhat.com>
1587
1588         * optabs.c (expand_atomic_test_and_set): Honor
1589         atomic_test_and_set_trueval even when atomic_test_and_set
1590         optab is not in use.
1591
1592 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1593
1594         Backport from mainline
1595         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1596
1597         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1598
1599 2012-03-02  Richard Guenther  <rguenther@suse.de>
1600
1601         * DEV-PHASE: Set to prerelease.
1602
1603 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1604
1605         * config.gcc (obsolete): Add all ARM targets using the FPA.
1606         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1607         * doc/install.texi: Avoid references to obsolete ARM ports.
1608
1609 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1610
1611         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1612
1613 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1614             Joern Rennecke  <joern.rennecke@embecosm.com>
1615
1616         * doc/extend.texi: Expand and update information on interrupt
1617         attribute for Epiphany.
1618
1619 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1620
1621         * config/sh/sh-protos.h: Update copyright notice dates.
1622         * config/sh/sh.h: Likewise.
1623         * config/sh/sh.md: Likewise.
1624         * config/sh/constraints.md: Likewise.
1625         * config/sh/predicates.md: Likewise.
1626
1627 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1628
1629         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1630         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1631
1632 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1633
1634         * config/sh/constraints.md: Fix comment typo.
1635
1636 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1637
1638         PR target/52408
1639         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1640         unsigned HOST_WIDE_INT.
1641         (zvdep_imm64): Likewise.
1642         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1643         (vdepi_and): Likewise.
1644         Likewise for unamed 64-bit patterns.
1645         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1646
1647 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1648
1649         PR debug/52001
1650         PR rtl-optimization/52417
1651         * cselib.c (cselib_any_perm_equivs): New variable.
1652         (cselib_reset_table): Check that it's not set when not
1653         preserving constants.
1654         (cselib_add_permanent_equiv): Set it.
1655         (cselib_have_permanent_equivalences): New.
1656         (cselib_init, cselib_finish): Reset it.
1657         * cselib.h (cselib_have_permanent_equivalences): Declare.
1658         * alias.c (get_addr): Restore earlier behavior when there
1659         aren't permanent equivalences.
1660
1661 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1662
1663         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1664         * config/v850/v850-modes.def: Fix copyright notice.
1665
1666 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1667
1668         * doc/extend.texi (AVR Built-in Functions): Document
1669         __builtin_avr_flash_segment.
1670
1671         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1672         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1673         (*split.flash_segment): New insn-and-split.
1674         * config/avr/avr.c (avr_init_builtins): Add local variables:
1675         const_memx_void_node, const_memx_ptr_type_node,
1676         char_ftype_const_memx_ptr.
1677
1678 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR tree-optimization/52445
1681         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1682         add ssa_name_ver, offset and size fields and change store field
1683         to bool.
1684         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1685         (add_or_mark_expr): Likewise.  Only consider previous stores
1686         with the same size and offset.
1687         (nt_init_block): Only look at gimple_assign_single_p stmts,
1688         doesn't look at rhs2.
1689
1690 2012-03-01  Richard Guenther  <rguenther@suse.de>
1691
1692         PR middle-end/52443
1693         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1694         conversions from integral types to pointer types.
1695
1696 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1697
1698         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1699         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1700         unintentionally removed in r184616.
1701
1702 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1703
1704         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1705         3DNow from bdver1.
1706
1707 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1708             Uros Bizjak  <ubizjak@gmail.com>
1709
1710         PR target/52437
1711         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1712         alternatives, add "e" constraint to the new last alternative
1713         and ! to last 3 alternatives.
1714
1715 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1716
1717         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1718         DW_AT_artificial attributes at the end of the processing.
1719         (gen_array_type_die): Likewise.
1720         (gen_enumeration_type_die): Likewise.
1721         (gen_struct_or_union_type_die): Likewise.
1722         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1723         the parent type.
1724
1725 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1726
1727         PR middle-end/52419
1728         * expr.c (expand_assignment): If doing misaligned store that doesn't
1729         cover all mode bits, perform a RMW cycle.
1730
1731         PR tree-optimization/52429
1732         * tree-parloops.c (separate_decls_in_region_debug): Return early
1733         if var is LABEL_DECL.
1734
1735 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1736
1737         PR tree-optimization/52424
1738         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1739         calling dom_thread_across_edge.
1740
1741 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1742
1743         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1744
1745 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1746
1747         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1748         * config/avr/avr.c (avr_output_bld): Remove unused function.
1749         (avr_out_sbxx_branch): Use "%T" to print bit position.
1750
1751 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1752
1753         * config/avr/avr.md: Untabify.
1754
1755 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1756
1757         * config/avr/avr.md (eqne): New code iterator.
1758         (*dec-and-branchsi): Use it in text peephole's condition.
1759         (*dec-and-branchhi): Ditto.
1760         (*dec-and-branchqi): Ditto.
1761
1762 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1763
1764         PR target/49939
1765         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1766         the device does not have the skip-bug.
1767
1768 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1769
1770         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1771         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1772         -mpretend-cmove): New.
1773
1774 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1775
1776         PR bootstrap/52397
1777         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1778         doesn't count DEBUG_INSN refs.
1779         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1780         for DEBUG_INSN refs.
1781
1782 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1783
1784         Partially revert:
1785
1786         2012-02-20  Richard Guenther  <rguenther@suse.de>
1787         PR tree-optimization/52298
1788         * tree-vect-stmts.c (vectorizable_load): Properly use
1789         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1790         outer loops.
1791
1792 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1793
1794         PR middle-end/51752
1795         * gimple.h (gimple_in_transaction): New.
1796         (gimple_set_in_transaction): New.
1797         (struct gimple_statement_base): Add in_transaction field.
1798         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1799         transaction loads.
1800         (tree_ssa_lim_initialize): Compute transaction bits.
1801         * tree.h (compute_transaction_bits): Protoize.
1802         * trans-mem.c (tm_region_init): Use the heap to store BB
1803         auxilliary data.
1804         (compute_transaction_bits): New.
1805
1806 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1807
1808         * gcc.c (display_help): Document --help=common and sort entries
1809         alphabetically.
1810
1811 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1812
1813         * doc/install.texi: Document check-$LANG specific shortcuts
1814
1815 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1816
1817         PR target/51534
1818         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1819         and vcgtu.
1820         * config/arm/arm_neon.h: Regenerate.
1821         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1822         (neon_vcgeu): New insn.
1823         (neon_vcgtu): Likewise.
1824         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1825         (ops): Unsigned comparison intrinsics call a different
1826         builtin.
1827
1828 2012-02-28  Richard Guenther  <rguenther@suse.de>
1829
1830         PR target/52407
1831         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1832         ordering for the VEC_CONCAT for two element vectors for
1833         V2SFmode, V2SImode and V2DImode.
1834
1835 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1836
1837         PR target/49448
1838         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1839         detecting big-endian triplets.
1840
1841 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1842
1843         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1844         mode if there is no type information available.
1845
1846 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1847
1848         PR tree-optimization/53207
1849         * doc/invoke.texi: Document as experimental and relying on graphite.
1850
1851 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1852
1853         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1854         of initializer to changes from r184614.
1855
1856 2012-02-28  Richard Guenther  <rguenther@suse.de>
1857
1858         PR tree-optimization/52395
1859         * tree-sra.c (build_ref_for_offset): Also look at the base
1860         TYPE_ALIGN when figuring out the alignment of the replacement.
1861
1862 2012-02-28  Richard Guenther  <rguenther@suse.de>
1863
1864         PR tree-optimization/52402
1865         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1866         mis-aligned types when creating the accesses at the call site.
1867
1868 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1869
1870         * config/avr/builtins.def: New file.
1871         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1872         * config/avr/avr.c (enum avr_builtin_id): Use it.
1873         (avr_init_builtins): Use it. And use avr_bdesc.
1874         (bdesc_1arg): Remove.
1875         (bdesc_2arg): Remove.
1876         (bdesc_3arg): Remove.
1877         (struct avr_builtin_description): Add field n_args.
1878         (avr_bdesc): New static variable using builtins.def.
1879         (avr_expand_builtin): Use it.
1880         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1881         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1882         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1883
1884 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1885
1886         PR target/52148
1887         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1888         match only one single hard register with respective hard reg rtx.
1889         (movmemx_<mode>): Ditto.
1890         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1891         insn anatomy of movmem[x]_<mode>.
1892         (avr_out_movmem): Same for printing assembler and operand usage.
1893
1894 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1895
1896         PR target/49868
1897         PR target/52261
1898         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1899         address spaces located outside of device flash.
1900
1901         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1902         (mcu_type_s): Add field n_flash.
1903         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1904         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1905         (AVR_MCU): Add N_FLASH argument.
1906         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1907         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1908         macro __FLASH<n> if that address space makes sense for the device.
1909         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1910         outside of target flash.
1911         (avr_asm_named_section): Ditto.
1912         (avr_asm_select_section): Ditto.
1913         (avr_addr_space_convert): Ditto.
1914         (avr_emit_movmemhi): Ditto.
1915         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1916         address space is outside of device flash.
1917         (avr_insert_attributes): Ditto.
1918         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1919         avr_current_arch->n_segments.
1920
1921 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1922
1923         PR target/52352
1924         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1925         TARGET_LP64.
1926         (*movabs<mode>_2): Likewise.
1927
1928 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1929
1930         PR target/52375
1931         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1932         s_register_operand in the test instead of REG_P.  Don't call
1933         gen_reg_rtx if it won't be used.
1934
1935         PR tree-optimization/52376
1936         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1937
1938 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1939
1940         * ifcvt.c (noce_get_condition): Check condition variable is not
1941         small_register_classes_for_mode_p before accepting.
1942
1943 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1944
1945         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1946
1947 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1948
1949         Revert:
1950         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1951         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1952         tuning parameters.
1953         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1954
1955 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1956
1957         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1958
1959 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1960
1961         * config/sh/predicates.md: Remove blank lines.
1962         * config/sh/sh.c: Fix typos in comments.
1963         * config/sh/constraints.md: Likewise.
1964         * config/sh/sh.md: Remove blank lines.
1965         Fix typos in comments.  Use ;; as comment characters.
1966
1967 2012-02-26  Walter Lee  <walt@tilera.com>
1968
1969         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1970         (replace_mov_pcrel_step2): Ditto.
1971
1972 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1973
1974         PR debug/52001
1975         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1976         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1977         and locs that reference values newer than the non-canonical value
1978         at hand.  Return the canonical value as a worst case.
1979         (memrefs_conflict_p): Walk canonical value's locs.
1980
1981         PR debug/52001
1982         * cselib.c (preserve_only_constants): Rename to...
1983         (preserve_constants_and_equivs): ... this.  Split out...
1984         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1985         of other preserved expressions too.
1986         (cselib_reset_table): Adjust.
1987         * var-tracking.c (reverse_op): Use canonical value to build
1988         reverse operation.
1989
1990 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1991
1992         * config/i386/i386.c (ix86_delegitimize_address): Handle
1993         UNSPEC_PCREL plus displacement.
1994
1995 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1996
1997         PR target/52261
1998         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1999         to test for unusedness in st X addressing.
2000
2001 2012-02-24  Richard Guenther  <rguenther@suse.de>
2002
2003         PR middle-end/52361
2004         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2005         (is_gimple_reg_type): Move inline ...
2006         * gimple.h (is_gimple_reg_type): ... here.
2007
2008 2012-02-24  Richard Guenther  <rguenther@suse.de>
2009
2010         PR middle-end/52361
2011         * passes.c (execute_function_todo): When verifying SSA form
2012         verify gimple form first.
2013         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2014
2015 2012-02-24  Richard Guenther  <rguenther@suse.de>
2016
2017         PR middle-end/52355
2018         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2019         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2020
2021 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2022
2023         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2024
2025 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2026
2027         * tree-phinodes.c (make_phi_node): Mark static.
2028         * tree-flow.h (make_phi_node): Remove extern decl.
2029         * doc/gimple.texi (make_phi_node): Remove documentation.
2030
2031 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2032
2033         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2034         * tree-ssa-sccvn.c (print_scc): Ditto.
2035
2036 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2037
2038         * doc/passes.texi (Full redundancy elimination): Fix typo.
2039
2040 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2041
2042         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2043
2044 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2045
2046         PR bootstrap/52287
2047         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2048
2049 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         PR c/52290
2052         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2053
2054 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2055
2056         * config/avr/avr.md (code_stdname): Add ior, xor.
2057         (xior): New code iterator.
2058         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2059         (*<code_stdname><mode>qi.byte1-3): Ditto.
2060
2061 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2062
2063         PR tree-optimization/52019
2064         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2065         CLOBBER stmts.
2066
2067 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2068
2069         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2070         HAVE_INITFINI_ARRAY to work around namespace pollution in
2071         certain versions of newlib system headers.
2072         * config.in: Regenerate.
2073         * configure: Regenerate.
2074         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2075         instead of HAVE_INITFINI_ARRAY.
2076
2077 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2078
2079         PR target/52330
2080         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2081         is not offsettable memory reference.
2082
2083 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2084
2085         PR target/18145
2086         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2087         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2088
2089 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2090
2091         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2092         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2093
2094 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2095
2096         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2097         library on Solaris 8 even without TLS support.
2098         * configure: Regenerate.
2099
2100 2012-02-22  Richard Guenther  <rguenther@suse.de>
2101
2102         PR middle-end/52329
2103         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2104         for GIMPLE_DEBUG stmts.
2105
2106 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2107
2108         PR middle-end/51782
2109         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2110         according to the base object.
2111
2112 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2113
2114         PR rtl-optimization/50063
2115         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2116         and 2 (8-bit SP) in operand 2.
2117         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2118         setup to use movhi_sp_r instead of vanilla move to write SP.
2119         Adjust REG_CFA notes to superseed unspec.
2120         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2121         of vanilla move.
2122         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2123         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2124         irq_state 1 (IRQ known to be on) here.
2125
2126 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2127
2128         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2129         WORDS_BIG_ENDIAN.
2130         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2131         assign_hard_reg): Likewise.
2132
2133 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2134
2135         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2136
2137 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2138
2139         * config/avr/avr.md
2140         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2141         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2142
2143 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2144
2145         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2146         prototype from here to...
2147         * config/avr/avr.h: ...here.
2148
2149 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2150
2151         PR target/52294
2152         * thumb2.md (thumb2_shiftsi3_short): Split register and
2153         immediate shifts.  For register shifts tie operands 0 and 1.
2154         (peephole2 for above): Check that register-controlled shifts
2155         have suitably tied operands.
2156
2157 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2158
2159         PR target/52137
2160         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2161         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2162         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2163         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2164         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2165         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2166         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2167         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2168         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2169         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2170         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2171         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2172         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2173         bdver1_ssevector_avx256_unaligned_load,
2174         bdver1_ssevector_sse128_unaligned_load,
2175         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2176         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2177         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2178         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2179         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2180         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2181         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2182         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2183         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2184         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2185         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2186         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2187         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2188         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2189         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2190         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2191         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2192         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2193         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2194         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2195         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2196         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2197         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2198         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2199         bdver1_ssediv_double_load, bdver1_ssediv_double,
2200         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2201         Add "bdver2" attribute.
2202
2203 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2204
2205         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2206         default if possible and not specified otherwise.
2207
2208 2012-02-21  Richard Guenther  <rguenther@suse.de>
2209
2210         PR middle-end/52314
2211         * gimplify.c (create_tmp_from_val): Use the main variant type
2212         for the type of the temporary we create.
2213
2214 2012-02-21  Richard Guenther  <rguenther@suse.de>
2215
2216         PR tree-optimization/52324
2217         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2218         do not gimplify a MEM_REF address operand if it is already
2219         in suitable form.
2220
2221 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2222
2223         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2224         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2225
2226 2012-02-21  Richard Guenther  <rguenther@suse.de>
2227
2228         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2229         nested_in_vect_loop.
2230
2231 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2232
2233         PR tree-optimization/52318
2234         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2235         vdef also to non-pure/const call stmts in the sequence.
2236
2237 2012-02-20  David S. Miller  <davem@davemloft.net>
2238
2239         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2240         don't use the "rd %pc" instruction on v9 for PIC register loads.
2241
2242 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2243
2244         PR middle-end/52141
2245         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2246         in a transaction safe function.
2247
2248 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2249
2250         PR target/52238
2251         * stor-layout.c (place_field): Handle desired_align for
2252         ms-bitfields, too.
2253
2254 2012-02-20  Richard Guenther  <rguenther@suse.de>
2255
2256         PR tree-optimization/52298
2257         * tree-vect-stmts.c (vectorizable_store): Properly use
2258         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2259         outer loops.
2260         (vectorizable_load): Likewise.
2261         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2262         Access DR_STEP after ensuring it is not NULL.
2263
2264 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2265
2266         PR tree-optimization/52286
2267         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2268         optimization use double_int_to_tree instead of build_int_cst_wide,
2269         rewrite to use double_int vars.
2270
2271 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2272
2273         PR target/50166
2274         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2275         Define _start.
2276         Remove -e 0 from $gcc_cv_ld invocation.
2277         Only use __GLIBC_PREREQ if defined.
2278         Enable on Solaris since Solaris 8 patch.
2279         (gcc_SUN_LD_VERSION): New macro.
2280         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2281         gcc_SUN_LD_VERSION for version number format.
2282         * configure: Regenerate.
2283         * varasm.c (get_elf_initfini_array_priority_section): Set
2284         SECTION_NOTYPE for non-default priority.
2285         Use get_section instead of get_unnamed_section to emit
2286         .init_array/.fini_array with default priority.
2287
2288 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2289
2290         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2291         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2292         (mips_start_unique_function, mips_output_mips16_rdhwr)
2293         (mips_code_end): New functions.
2294         (TARGET_ASM_CODE_END): Define.
2295
2296 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2297
2298         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2299         to stubs with non-sibling calls.
2300
2301 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2302
2303         * doc/invoke.texi (-fira-* options): Copy-edit.
2304         (ira-* parameters): Copy-edit.
2305
2306 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2307
2308         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2309         GCC coding conventions.
2310
2311 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2312
2313         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2314         when used as adjectives.
2315
2316 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2317
2318         * doc/invoke.texi: Clean up "that"/"which" confusion.
2319
2320 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2321
2322         * system.h: Poison SMALL_REGISTER_CLASSES
2323         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2324         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2325
2326 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2327
2328         PR tree-optimization/52285
2329         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2330         when deciding if a call is a tail call or tail recursion.
2331
2332 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2333
2334         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2335         interger-constant displacement for UNSPEC_PCREL.
2336
2337 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2338
2339         PR rtl-optimization/52208
2340         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2341         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2342
2343         PR tree-optimization/52255
2344         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2345         loop->header has virtual PHI, but exit_e->dest doesn't, add
2346         virtual PHI to exit_e->dest and adjust all uses after the loop.
2347
2348         PR debug/52260
2349         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2350         children with clone_tree_hash, not after it.
2351
2352 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2353
2354         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2355         extended identifiers.
2356
2357 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2358
2359         PR middle-end/51929
2360         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2361         a same_body_alias, also test whether e->callee isn't a former
2362         or current clone of the decl this is a same body alias of.
2363
2364         PR translation/52264
2365         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2366
2367 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2368
2369         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2370
2371 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2372
2373         PR target/52199
2374         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2375         force_reg instead of copy_to_reg for better optimization.  Force
2376         non-register or memory operands into a register.
2377
2378 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2379
2380         * extend.texi: Reserve upper bits of memory model for future use.
2381
2382 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2383             Anatoly Sokolov <aesok@post.ru>
2384             Eric Weddington <eric.weddington@atmel.com>
2385
2386         PR target/52261
2387         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2388         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2389         Rewrite initializers for .macro.
2390         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2391         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2392         atxmega32d4, atxmega32x1.
2393         avrxmega4: atxmega64a3, atxmega64d3.
2394         avrxmega5: atxmega64a1, atxmega64a1u.
2395         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2396         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2397         avrxmega7: atxmega128a1, atxmega128a1u.
2398         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2399         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2400         (struct base_arch_s): Rename reserved to xmega_p.
2401         Rename reserved2 to have_rampd.
2402         (AVR_XMEGA): New define.
2403         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2404         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2405         * config/avr/predicates.md (io_address_operand): Take into
2406         account SFR offset.
2407         (low_io_address_operand): Ditto.
2408         (high_io_address_operand): Ditto.
2409         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2410         (enabled, movhi_sp_r): Use them.
2411         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2412         cpp_define_formatted to built-in define __AVR_ARCH__.
2413         (__AVR_XMEGA__): New built-in define.
2414         (__AVR_HAVE_RAMPD__): New built-in define.
2415         (__AVR_HAVE_RAMPX__): New built-in define.
2416         (__AVR_HAVE_RAMPY__): New built-in define.
2417         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2418
2419         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2420         (avr_option_override): Initialize them.
2421         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2422         (avr_init_expanders): Initialize them. No more block several calls.
2423         (emit_push_sfr): New static function.
2424         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2425         Handle AVR_XMEGA.
2426         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2427         (avr_print_operand): Print addreeses as symbols for
2428         RAMPX, RAMPY, RAMPD, CCP.
2429         (output_movhi): Handle AVR_XMEGA when writing to SP.
2430         (avr_out_movhi_mr_r_xmega): New static function.
2431         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2432         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2433         __RAMPD__,  __CCP__ as needed.
2434
2435         * config/avr/multilib.h: Regenerate.
2436         * config/avr/t-multilib: Regenerate.
2437         * config/avr/avr-tables.opt: Regenerate.
2438
2439 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2440
2441         PR tree-optimization/50561
2442         * graphite-flattening.c (lst_project_loop): Do not
2443         remove old scattering dimensions after flattening.
2444         (lst_do_flatten): Likewise.
2445
2446 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2447
2448         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2449         __builtin_avr_map8, __builtin_avr_map16.
2450         Document __builtin_avr_insert_bits.
2451
2452         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2453         (insert_bits): New insn.
2454         (adjust_len.map_bits): Rename to insert_bits.
2455         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2456         * avr-protos.h (avr_out_map_bits): Remove.
2457         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2458         * config/avr/constraints.md (Cxf,C0f): New.
2459         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2460         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2461         New built-in define __BUILTIN_AVR_INSERT_BITS.
2462         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2463         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2464         (avr_move_bits): Rewrite.
2465         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2466         functions.
2467         (avr_map_op_t): New typedef.
2468         (avr_map_op): New static variable.
2469         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2470         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2471         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2472         (bdesc_3arg, avr_expand_triop_builtin): New.
2473         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2474         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2475         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2476         (avr_map_equal_p, avr_map_sig_p): Remove.
2477         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2478         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2479         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2480         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2481         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2482         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2483
2484 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2485
2486         * config/c6x/c6x.md (reserve_cycles): New attribute.
2487         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2488         don't reserve functional units after the branch occurs.
2489
2490 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2491
2492         PR middle-end/52142
2493         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2494         functions into non-tm_pure functions.
2495
2496 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2497
2498         PR lto/52178
2499         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2500         (iterative_hash_canonical_type): Likewise.
2501         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2502         the dead edges.
2503
2504 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2505
2506         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2507         sched-group insn, it either remains alone or the entire list is pruned.
2508
2509 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2510
2511         * doc/install.texi (Prerequisites): Fix grammar.
2512         (Configuration): Likewise.
2513
2514 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2515
2516         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2517         MPC as part of GCC before describing configuring with --with-gmp etc.
2518         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2519         sources are present.
2520
2521 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2522
2523         PR debug/51950
2524         * dwarf2out.c (clone_tree_hash): New function.
2525         (copy_decls_walk): Use it instead of clone_tree.
2526
2527 2012-02-14  Richard Guenther  <rguenther@suse.de>
2528
2529         PR tree-optimization/52244
2530         PR tree-optimization/51528
2531         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2532         replacements for integral types.
2533
2534 2012-02-14  Walter Lee  <walt@tilera.com>
2535
2536         * config.gcc: Handle tilegx and tilepro.
2537         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2538         tilegx and tilepro.
2539         Add HAVE_AS_TLS check for tilegx and tilepro.
2540         * configure: Regenerate.
2541         * doc/contrib.texi: Add Mat Hostetter and self.
2542         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2543         Document instruction intrinsics and network accessing intrinsics.
2544         (TILEPro Built-in Functions): New node.  Document instruction
2545         intrinsics and network accessing intrinsics.
2546         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2547         (Specific, tilepro-*-linux*): Likewise.
2548         * doc/invoke.texi (TILE-Gx Options): New section.
2549         (TILEPro Options): New section.
2550         * doc/md.texi (TILE-Gx): New section.
2551         (TILEPro): New section.
2552         * common/config/tilegx/tilegx-common.c: New file.
2553         * common/config/tilepro/tilepro-common.c: New file.
2554         * config/tilegx/constraints.md: New file.
2555         * config/tilegx/linux.h: New file.
2556         * config/tilegx/mul-tables.c: New file.
2557         * config/tilegx/predicates.md: New file.
2558         * config/tilegx/sync.md: New file.
2559         * config/tilegx/t-tilegx: New file.
2560         * config/tilegx/tilegx-builtins.h: New file.
2561         * config/tilegx/tilegx-c.c: New file.
2562         * config/tilegx/tilegx-generic.md: New file.
2563         * config/tilegx/tilegx-modes.def: New file.
2564         * config/tilegx/tilegx-multiply.h: New file.
2565         * config/tilegx/tilegx-protos.h: New file.
2566         * config/tilegx/tilegx.c: New file.
2567         * config/tilegx/tilegx.h: New file.
2568         * config/tilegx/tilegx.md: New file.
2569         * config/tilegx/tilegx.opt: New file.
2570         * config/tilepro/constraints.md: New file.
2571         * config/tilepro/gen-mul-tables.cc: New file.
2572         * config/tilepro/linux.h: New file.
2573         * config/tilepro/mul-tables.c: New file.
2574         * config/tilepro/predicates.md: New file.
2575         * config/tilepro/t-tilepro: New file.
2576         * config/tilepro/tilepro-builtins.h: New file.
2577         * config/tilepro/tilepro-c.c: New file.
2578         * config/tilepro/tilepro-generic.md: New file.
2579         * config/tilepro/tilepro-modes.def: New file.
2580         * config/tilepro/tilepro-multiply.h: New file.
2581         * config/tilepro/tilepro-protos.h: New file.
2582         * config/tilepro/tilepro.c: New file.
2583         * config/tilepro/tilepro.h: New file.
2584         * config/tilepro/tilepro.md: New file.
2585         * config/tilepro/tilepro.opt: New file.
2586
2587 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2588
2589         PR tree-optimization/52210
2590         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2591         vect_model_simple_cost with two entry vect_def_type array instead
2592         of an address of dt.
2593
2594 2012-02-14  Richard Guenther  <rguenther@suse.de>
2595
2596         PR lto/52178
2597         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2598         Do not stream DECL_QUALIFIER.
2599         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2600         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2601         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2602
2603 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2604
2605         PR c/52181
2606         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2607         newdecl.
2608
2609 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2610
2611         PR bootstrap/52172
2612         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2613         * cselib.c (cselib_subst_to_values_from_insn): New function.
2614         * sched-deps.c (add_insn_mem_dependence,
2615         sched_analyze_1, sched_analyze_2): Use it.
2616
2617 2012-02-13  Jan Hubicka  <jh@suse.cz>
2618
2619         PR middle-end/52214
2620         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2621
2622 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2623
2624         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2625         (GTM_SELF_SPECS): Define if not already defined.
2626         (driver_self_specs): Add GTM_SELF_SPECS.
2627         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2628         (GTM_SELF_SPECS): Define.
2629         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2630         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2631
2632 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2633
2634         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2635         away if seen.
2636
2637         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2638
2639         PR middle-end/52230
2640         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2641         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2642
2643 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2644
2645         PR c/52190
2646         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2647
2648 2012-02-13  Richard Guenther  <rguenther@suse.de>
2649
2650         PR translation/52211
2651         * passes.c (enable_disable_pass): Fix typo.
2652
2653 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2654
2655         PR middle-end/52209
2656         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2657         XOR for reduce_bit_field if type is unsigned.
2658
2659 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2660
2661         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2662         disallow changes from SFmode to mode with different size in FP regs.
2663
2664 2012-02-12  Robert Millan  <rmh@gnu.org>
2665             Gerald Pfeifer <gerald@pfeifer.com>
2666
2667         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2668         Tweak comment.
2669
2670 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2671
2672         PR rtl-optimization/52175
2673         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2674         to frame-related instructions.
2675
2676 2012-02-10  Jason Merrill  <jason@redhat.com>
2677
2678         PR c++/51910
2679         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2680         (demangle_new_symbols): Fill it.
2681         (scan_linker_output): Walk it.
2682         (start_tweaking): Split out from scan_linker_output.
2683         (maybe_tweak): Update sym->chosen.
2684         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2685
2686 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2687
2688         PR debug/52132
2689         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2690
2691 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2692
2693         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2694         having the same mode as previous compare.
2695
2696 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2697
2698         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2699         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2700         (nonlocal_goto_internal): Likewise.
2701         (nonlocal_goto): Emit a use and an indirect jump directly.
2702
2703 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2704
2705         PR c/52190
2706         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2707         __atomic_{is,always}_lock_free.
2708
2709 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2710
2711         PR target/52146
2712         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2713         negative constant address for x32.
2714
2715 2012-02-10  Richard Henderson  <rth@redhat.com>
2716
2717         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2718         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2719         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2720
2721 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2722             Ira Rosen  <irar@il.ibm.com>
2723
2724         PR tree-optimization/50031
2725         * targhooks.c (default_builtin_vectorization_cost): Handle
2726         vec_promote_demote.
2727         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2728         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2729         all types of reduction and pattern statements.
2730         (vect_estimate_min_profitable_iters): Likewise.
2731         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2732         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2733         for explicit realigns.
2734         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2735         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2736         vec_promote_demote.
2737         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2738         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2739         vec_perm for VSX and handle vec_promote_demote.
2740
2741 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2742
2743         PR middle-end/52177
2744         * builtins.c (fold_builtin_atomic_always_lock_free,
2745         expand_builtin_atomic_always_lock_free,
2746         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2747         Return and/or test boolean_true_node/boolean_false_node instead of
2748         integer_one_node/integer_zero_node.
2749
2750 2012-02-10  Jan Hubicka  <jh@suse.cz>
2751
2752         PR middle-end/48600
2753         * predict.c (predict_paths_for_bb): Prevent looping.
2754         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2755
2756 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2757
2758         * config/arm/arm.c (output_move_double): In one case properly
2759         count number of instructions that will be emitted.
2760
2761 2012-02-10  Richard Guenther  <rguenther@suse.de>
2762
2763         PR translation/52193
2764         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2765
2766 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2767
2768         PR middle-end/52140
2769         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2770
2771 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2772
2773         PR debug/52165
2774         * var-tracking.c (emit_note_insn_var_location): If
2775         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2776         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2777         non-NOTE_DURING_CALL_P insn.
2778
2779 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2780
2781         PR middle-end/51867
2782         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2783
2784 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2785
2786         PR driver/48524
2787         * gcc.c (switch_matches) Support switches with separated form,
2788         -D and -U.
2789
2790 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2791
2792         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2793         (SP_ADDR): Ditto.
2794         (RAMPZ_ADDR): Ditto.
2795         * config/avr/avr.c (avr_addr_t): New typedef.
2796         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2797         (avr_init_expanders): Initialize it.
2798         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2799         SREG_ADDR.
2800         (expand_epilogue): Ditto.
2801         (avr_print_operand): Ditto.
2802         (avr_file_start): Ditto.
2803         (avr_emit_movmemhi): Ditto.
2804
2805 2012-02-08  Richard Guenther  <rguenther@suse.de>
2806
2807         PR tree-optimization/46886
2808         * tree-flow.h (do_while_loop_p): Declare.
2809         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2810         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2811
2812 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2813
2814         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2815         always succeed for integers larger than a native word.
2816
2817 2012-02-08  Richard Guenther  <rguenther@suse.de>
2818
2819         PR rtl-optimization/52170
2820         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2821         properly handle integer vector modes.
2822
2823 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2824
2825         PR gcov-profile/52150
2826         * coverage.c: Include target.h.
2827         (build_var): Call targetm.strip_name_encoding on the assembler name.
2828         Change one _ into . or $ if the target allows it.
2829         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2830
2831         PR rtl-optimization/52139
2832         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2833         is a BARRIER after emit_insn_after_noloc, move BB_END
2834         to the last non-BARRIER insn before it.
2835
2836 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2837
2838         PR middle-end/24306
2839         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2840         (mips_gimplify_va_arg_expr): Call it instead of
2841         std_gimplify_va_arg_expr.
2842
2843 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2844
2845         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2846         message for -mno-pointers-to-nested-function.
2847
2848 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2849
2850         PR middle-end/51994
2851         * expr.c (get_inner_reference): If there is an offset, add a negative
2852         bit position to it (if any).
2853
2854 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2855
2856         PR rtl-optimization/52060
2857         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2858         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2859         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2860         and/or i0src_copy2 when needed.
2861
2862 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2863
2864         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2865         or LTOPLUGINSONAME if have_c.
2866
2867         * config/freebsd-spec.h: Add comment about what macros can be defined
2868         in this header.
2869         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2870         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2871         here instead.
2872
2873 2012-02-07  Richard Guenther  <rguenther@suse.de>
2874
2875         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2876         newline in -alias dumps.
2877
2878 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2879             Dave Korn  <dave.korn.cygwin@gmail.com>
2880
2881         PR target/40068
2882         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2883         Take care that typinfo gets dllexport-attribute.
2884
2885 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2886
2887         PR middle-end/52074
2888         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2889         if modifier < EXPAND_SUM call force_operand on the result.
2890
2891 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2892
2893         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2894         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2895         present.
2896         (epiphany_function_type): Replace types for specific interrupts with
2897         EPIPHANY_FUNCTION_INTERRUPT.
2898         (EPIPHANY_INTERRUPT_P): Update.
2899         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2900         New static function.
2901         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2902         <disinterrupt>: Affects type identity.
2903         (epiphany_handle_interrupt_attribute): Handle variable number of
2904         arguments.
2905         (epiphany_compute_function_type): Update for new
2906         epiphany_function_type definition.
2907         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2908         handlers with a longcall forwarder.
2909         (epiphany_start_function): Handle multiple interrupt arguments and/or
2910         forwarder_section attribute.
2911
2912         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2913         libgloss.
2914
2915 2012-02-07  Alan Modra  <amodra@gmail.com>
2916
2917         PR target/52107
2918         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2919         subregs of TFmode.
2920
2921 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2922
2923         PR tree-optimization/50969
2924         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2925         use vec_perm rather than vector_stmt.
2926         (vect_model_load_cost): Likewise.
2927         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2928         vec_perm to be the same as other vector statements.
2929         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2930         cost of vec_perm for TARGET_VSX.
2931
2932 2012-02-06  Richard Guenther  <rguenther@suse.de>
2933
2934         PR tree-optimization/52115
2935         * tree-sra.c (access_has_replacements_p): New function.
2936         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2937
2938 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2939
2940         PR middle-end/52047
2941         * trans-mem.c (expand_call_tm): Add an assertion.
2942         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2943         functions.
2944
2945 2012-02-06  Richard Guenther  <rguenther@suse.de>
2946
2947         PR tree-optimization/50955
2948         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2949         raise cost of expressions that replace an address with an
2950         expression based on a different pointer.
2951
2952 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2953
2954         PR target/52129
2955         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2956         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2957
2958 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2959
2960         PR c++/48680
2961         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2962         -Weffc++ and specify guidelines come from second edition.
2963
2964 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2965
2966         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2967         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2968         (call_direct_split, call_value_split, call_value_internal_direct)
2969         (call_value_direct_split, call_value_multiple_split): Use jal and
2970         jal_macro attributes.
2971
2972 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2973
2974         * reload1.c (reload_regs_reach_end_p): Replace with...
2975         (reload_reg_rtx_reaches_end_p): ...this function.
2976         (new_spill_reg_store): Update commentary.
2977         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2978         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2979         before setting new_spill_reg_store.
2980         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2981         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2982         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2983         for non-spill reload registers.
2984
2985 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2986
2987         PR tree-optimization/52091
2988         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2989         (vect_is_simple_use_1): Likewise.
2990         * tree-vect-loop.c (vectorizable_reduction): Update calls
2991         to vect_is_simple_use_1 and vect_is_simple_use.
2992         (vectorizable_live_operation): Likewise.
2993         * tree-vect-patterns.c (widened_name_p,
2994         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2995         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2996         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2997         vectorizable_shift,vectorizable_operation, vectorizable_store,
2998         vectorizable_load): Likewise.
2999         (vect_is_simple_cond): Add an argument, pass it to
3000         vect_is_simple_use_1.
3001         (vectorizable_condition): Update calls to vect_is_simple_cond,
3002         vect_is_simple_use.
3003         (vect_is_simple_use): Add an argument, the statement in which
3004         OPERAND is used.  Check that if OPERAND's def stmt is a double
3005         reduction phi node, the use is a phi node too.
3006         (vect_is_simple_use_1): Add an argument, pass it to
3007         vect_is_simple_use.
3008         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3009         to vect_is_simple_use.
3010
3011 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3012
3013         PR rtl-optimization/52095
3014         * modulo-sched.c (dump_insn_locator): New function.
3015         (loop_canon_p, sms_schedule): Use it.
3016
3017         PR rtl-optimization/52113
3018         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3019         even for decomposable shift/zext insns.
3020
3021 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3022             Zdenek Dvorak  <ook@ucw.cz>
3023
3024         PR rtl-optimization/52092
3025         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3026         on get_iv_value result.
3027
3028 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3029
3030         PR middle-end/47982
3031         PR middle-end/43967
3032         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3033
3034 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3035
3036         PR middle-end/48071
3037         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3038
3039 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3040
3041         PR rtl-optimization/49800
3042         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3043         (sched_finish): Call regstat_free_n_sets_and_refs.
3044
3045 2012-02-02  Jia Liu  <proljc@gmail.com>
3046
3047         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3048         than operand 2.
3049
3050 2012-02-02  Jan Hubicka  <jh@suse.cz>
3051             Tom de Vries  <tom@codesourcery.com>
3052
3053         PR middle-end/51998
3054         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3055         * varpool.c (varpool_analyze_pending_decls): Likewise.
3056
3057 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3058             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3059
3060         * config.gcc: Add cr16-* support.
3061
3062         * doc/extend.texi: Document cr16 extensions.
3063         * doc/install.texi: Document cr16 install.
3064         * doc/invoke.texi: Document cr16 options.
3065         * doc/md.texi: Document cr16 constraints.
3066
3067         * common/config/cr16/cr16-common.c: New file.
3068         * config/cr16/cr16.c: New file.
3069         * config/cr16/cr16.h: New file.
3070         * config/cr16/cr16.md: New file.
3071         * config/cr16/cr16.opt: New file.
3072         * config/cr16/cr16-protos.h: New file.
3073         * config/cr16/predicates.md: New file.
3074         * config/cr16/constraints.md: New file.
3075         * config/cr16/t-cr16: New file.
3076
3077 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR target/52086
3080         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3081         that operands[2] is either immediate, or q_regs_operand.
3082
3083         PR tree-optimization/52073
3084         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3085         a pattern stmt for pattern uses, ignore uses outside of the loop.
3086
3087 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3088
3089         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3090         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3091         (OUT_AS1, OUT_AS2): Remove.
3092
3093 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3094
3095         PR rtl-optimization/51374
3096         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3097         to cross other volatile_refs_p insns.
3098
3099 2012-02-01  Richard Guenther  <rguenther@suse.de>
3100
3101         * doc/invoke.texi (fno-inline): Clarify documentation.
3102         (finline-small-functions): Likewise.
3103         (finline-functions): Likewise.
3104         * common.opt (finline): Adjust comment and documentation.
3105         (finline-small-functions): Clarify documentation.
3106         (finline-functions): Likewise.
3107         (finline-functions-called-once): Likewise.
3108
3109 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3110
3111         * c-typeck.c (composite_type): Keep mode for pointers.
3112
3113 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3114
3115         * function.h (regno_reg_rtx): Adjust comment.
3116         * reginfo.c (init_reg_modes_target): Only use the previous mode
3117         if it fits within one register.  Remove MIPS comment.
3118
3119 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3120
3121         PR bootstrap/52058
3122         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3123
3124 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3125
3126         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3127         to srak instruction.
3128
3129 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3130
3131         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3132
3133 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3134
3135         PR bootstrap/52041
3136         PR bootstrap/52039
3137         PR target/51974
3138         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3139
3140 2012-01-31  Richard Guenther  <rguenther@suse.de>
3141
3142         PR tree-optimization/51528
3143         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3144         assigns.
3145
3146 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3147
3148         PR bootstrap/52041
3149         PR bootstrap/52039
3150         PR target/51974
3151         * ree.c (add_removable_extension): Change def_map argument
3152         to unsigned *, store in def_map 1 + offset into *insn_list vector
3153         instead of pointers into the vector.
3154         (find_removable_extensions): Adjust caller.
3155
3156 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3157
3158         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3159         Transform all "* quoted-c-code" to { c-code }.
3160         Remove redundant test for "optimize" in combine patterns.
3161         Move (include "avr-dimode.md") to end of file.
3162
3163 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3164
3165         PR target/51835
3166         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3167         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3168
3169 2012-01-30  Richard Guenther  <rguenther@suse.de>
3170
3171         PR tree-optimization/52028
3172         * tree-loop-distribution.c (ldist_gen): Properly update
3173         virtual SSA form.
3174
3175 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3176
3177         PR debug/52027
3178         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3179         set_cur_line_info_table if not emitting debug info.
3180
3181         PR tree-optimization/52046
3182         * tree-vect-patterns.c (check_bool_pattern): Give up if
3183         a comparison could throw.
3184
3185         PR debug/52048
3186         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3187
3188 2012-01-30  Richard Guenther  <rguenther@suse.de>
3189
3190         PR tree-optimization/52045
3191         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3192         SSA form if cfgcleanup did anything.
3193
3194 2012-01-30  Richard Guenther  <rguenther@suse.de>
3195
3196         PR tree-optimization/52045
3197         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3198         before computing final todo.
3199
3200 2012-01-30  Richard Guenther  <rguenther@suse.de>
3201
3202         PR tree-optimization/51528
3203         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3204         for PR51528 fix.
3205
3206 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3207
3208         * df-problems.c (df_kill_notes): Check that the use refers
3209         to the note under examination.
3210
3211 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3212
3213         PR target/51920
3214         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3215         parameter and use short-lived pseudos.
3216         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3217         (sparc_expand_vector_init): Const-ify local variables and adjust
3218         calls to above functions.
3219
3220 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3221
3222         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3223
3224 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3225
3226         * doc/invoke.texi: Make usage of "compile time" and
3227         "run time"/"runtime" consistent throughout the file.
3228
3229 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3230
3231         * config/alpha/alpha.c (alpha_option_override): Default to
3232         full IEEE compliance mode for Go language.
3233
3234 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3235
3236         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3237         (LINK_SSP_SPEC): Define.
3238
3239 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3240
3241         PR target/51871
3242         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3243         stubs.
3244
3245 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3246
3247         * doc/invoke.texi: Correct hyphenation of "floating point",
3248         "double precision", and related terminology throughout the file.
3249
3250 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3251
3252         PR target/52006
3253         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3254         arm_general_register_operand predicate for operand 2 instead of
3255         register_operand.
3256
3257 2012-01-27  Ian Lance Taylor  <iant@google.com>
3258
3259         PR go/47656
3260         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3261         * builtins.c (expand_builtin_init_trampoline): Add onstack
3262         parameter.  Change caller.
3263         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3264         * tree.c (build_common_builtin_nodes): Declare
3265         __builtin_init_heap_trampoline.
3266
3267 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3268
3269         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3270         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3271         * config/avr/avr.c: Ditto.
3272         (avr_regnames): Remove because unused.
3273         * config/avr/avr.md (*cpse.ne): New peephole.
3274         (*cpse.eq): New peephole from former cpse peepholes.
3275
3276 2012-01-27  Michael Eager  <eager@eagercon.com>
3277
3278         * config/microblaze.c (microblaze_emit_compare): Correct
3279         test after pcmp instruction.
3280
3281 2012-01-27  Richard Guenther  <rguenther@suse.de>
3282
3283         PR tree-optimization/52020
3284         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3285
3286 2012-01-27  Richard Guenther  <rguenther@suse.de>
3287
3288         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3289         function non-const/pure.
3290
3291 2012-01-27  Richard Guenther  <rguenther@suse.de>
3292
3293         PR tree-optimization/50444
3294         * tree-sra.c (build_ref_for_offset): Properly adjust the
3295         MEM_REF type for unaligned accesses.
3296
3297 2012-01-27  Richard Guenther  <rguenther@suse.de>
3298
3299         PR tree-optimization/50444
3300         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3301         (expand_assignment): Use it.  Properly handle misaligned
3302         bases when expanding stores to component references.
3303         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3304         refactor that case.
3305
3306 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3307
3308         PR middle-end/51389
3309         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3310         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3311         * tree-data-ref.c (find_data_references_in_loop): Make static.
3312         (compute_all_dependences): Change return type to bool.  Bail out
3313         for too many datarefs in a loop.  Move the hunk resetting the data
3314         dependences vector from ...
3315         (compute_data_dependences_for_loop): ... here.  Account for
3316         compute_all_dependences returning false.
3317         (compute_data_dependences_for_bb): Likewise.
3318         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3319         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3320
3321 2012-01-27  Richard Guenther  <rguenther@suse.de>
3322
3323         PR middle-end/51959
3324         * expr.c (store_field): Use the alias-set of the scratch memory
3325         for storing to it.
3326
3327 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3328
3329         PR tree-optimization/51990
3330         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3331         WITH_SIZE_EXPR.
3332         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3333
3334 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3335
3336         PR debug/52001
3337         * var-tracking.c (reverse_op): Don't add any reverse operation
3338         if V already has any constant locations.
3339
3340 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3341
3342         * doc/invoke.texi: Correct usage of "command line" (noun)
3343         vs "command-line" (adjective) throughout.
3344
3345 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3346
3347         * doc/invoke.texi (Language Independent Options): Move
3348         -Wcoverage-mismatch blurb from here....
3349         (Warning Options): ...to here.
3350
3351 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3352
3353         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3354         Set rs6000_always_hint to false for 476.
3355
3356 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3357
3358         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3359           system root.
3360         * incpath.c (add_standard_paths): Likewise.
3361
3362 2012-01-27  Richard Henderson  <rth@redhat.com>
3363
3364         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3365         * config/m68k/sync.md (atomic_test_and_set): Rename from
3366         sync_test_and_setqi and adjust the operands.
3367         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3368         and unconditionally enable.
3369
3370 2012-01-27  Richard Henderson  <rth@redhat.com>
3371
3372         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3373         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3374         (ldstub): Rename from ldstubqi.
3375         (ldstub<I24MODE>): Remove.
3376
3377 2012-01-27  Richard Henderson  <rth@redhat.com>
3378
3379         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3380         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3381         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3382         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3383         * doc/tm.texi: Rebuild.
3384
3385 2012-01-27  Richard Henderson  <rth@redhat.com>
3386
3387         * optabs.c (gen_atomic_test_and_set): Remove default.
3388         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3389
3390 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3391
3392         PR rtl-optimization/51978
3393         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3394         (combine_reaching_defs): Likewise.
3395         (struct re_info): Remove.
3396         (add_removable_extension): Remove x and data arguments,
3397         add insn, insn_list and def_map.  Use the arguments directly
3398         instead of using struct re_info.
3399         (find_removable_extensions): Don't call add_removable_extension
3400         through note_stores, instead just call it with single_set
3401         result if non-NULL.
3402         (find_and_remove_re): Pass curr_cand->expr instead of
3403         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3404
3405 2012-01-26  Michael Matz  <matz@suse.de>
3406
3407         PR tree-optimization/46590
3408         * cfgexpand.c: Revert last change (r183305).
3409         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3410         regs.
3411         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3412         checking for emptiness.
3413
3414 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3415
3416         PR middle-end/51895
3417         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3418         non-addressable non-BLKmode base correctly.
3419
3420 2012-01-26  Michael Matz  <matz@suse.de>
3421
3422         PR tree-optimization/48794
3423         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3424         regions referenced from RESX/EH_DISPATCH.
3425
3426 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3427
3428         * config/s390/s390.h: Make BRANCH_COST an option.
3429         * config/s390/s390.opt: New option -mbranch-cost.
3430
3431 2012-01-26  Richard Henderson  <rth@redhat.com>
3432
3433         Revert 2012-01-24 change:
3434         * trans-mem.c (requires_barrier): Do not instrument thread local
3435         variables and emit save/restore for them.
3436
3437 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3438
3439         PR middle-end/51986
3440         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3441         for pat == 0.
3442
3443 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3444
3445         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3446         ASM_OPERANDS.
3447
3448 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3449
3450         PR target/49868
3451         Rename __pgm to __flash.
3452         Rename __pgm1 to __flash1.
3453         Rename __pgm2 to __flash2.
3454         Rename __pgm3 to __flash3.
3455         Rename __pgm4 to __flash4.
3456         Rename __pgm5 to __flash5.
3457         Rename __pgmx to __memx.
3458         * doc/extend.texi (AVR Named Address Spaces)
3459         Rename address space names as indicated above.
3460         * config/avr/avr.c (avr_addrspace): Ditto.
3461
3462         * config/avr/avr-protos.h
3463         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3464         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3465         * config/avr/predicates.md: Ditto.
3466         * config/avr/avr.c Ditto, and
3467         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3468         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3469
3470         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3471         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3472         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3473         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3474         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3475         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3476         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3477         * config/avr/avr.c: Ditto.
3478         * config/avr/avr.md: Ditto.
3479
3480 2012-01-25  Jason Merrill  <jason@redhat.com>
3481
3482         PR c++/51992
3483         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3484
3485 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3486
3487         PR tree-optimization/51987
3488         * tree-data-ref.c (get_references_in_stmt): Handle references in
3489         non-volatile GIMPLE_ASM.
3490
3491 2012-01-25  Richard Guenther  <rguenther@suse.de>
3492
3493         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3494         bases are dereferenced.
3495
3496 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3497
3498         PR rtl-optimization/48374
3499         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3500
3501 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3502
3503         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3504         compute_data_dependences_for_loop returns false.
3505         * tree-parloops.c (loop_parallel_p): Likewise.
3506
3507 2012-01-25  Richard Guenther  <rguenther@suse.de>
3508
3509         * tree.h (get_pointer_alignment_1): Declare.
3510         * builtins.c (get_pointer_alignment_1): New function.
3511         (get_pointer_alignment): Use it.
3512
3513 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3514
3515         PR rtl-optimization/48308
3516         * combine.c (enum undo_kind): Add UNDO_LINKS.
3517         (struct undo): Add member l to other_contents and where.
3518         (do_SUBST_LINK): New.
3519         (SUBST_LINK): New.
3520         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3521         (undo_all): Handle UNDO_LINKS.
3522
3523 2012-01-25  Richard Henderson  <rth@redhat.com>
3524
3525         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3526         mem inputs.
3527
3528 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3529
3530         * optabs.c (gen_atomic_test_and_set): Use each argument.
3531
3532 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3533
3534         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3535         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3536         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3537