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2012-07-02 Martin Jambor <mjambor@suse.cz>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-02  Martin Jambor  <mjambor@suse.cz>
2
3         Backport from mainline.
4         2012-07-02  Martin Jambor  <mjambor@suse.cz>
5
6         PR middle-end/38474
7         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
8         dynamic type change check.
9
10 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11
12         * tree-eh.c (lower_try_finally_switch): Really put the location of the
13         last statement of the finally block onto the switch.
14
15 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
16
17         * configure: Regenerate.
18         Backport from mainline.
19         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
20         * config.gcc (target_type_format_char): New. Document it. Set it for
21         arm*-*-* .
22         * configure.ac (gnu_unique_option): Use target_type_format_char
23         in test.  Comment rationale.
24
25 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
26
27         Backport from mainline.
28         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
29         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
30
31 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
32
33         Backport from 2012-06-28 mainline r189049
34
35         PR 53595
36         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
37         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
38         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
39         avr_hard_regno_call_part_clobbered.
40
41 2012-06-28  Richard Guenther  <rguenther@suse.de>
42
43         PR middle-end/53790
44         * expr.c (expand_expr_real_1): Verify if the type is complete
45         before inspecting its size.
46
47 2012-06-27  Nick Clifton  <nickc@redhat.com>
48
49         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
50         input operand.
51
52 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
53
54         PR debug/53682
55         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
56
57 2012-06-26  Nick Clifton  <nickc@redhat.com>
58
59         * config/rx/rx.md (simple_return): Use the simple_return rtx.
60
61 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
62
63         PR target/53759
64         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
65         of x x x in the vmovlps load alternative.
66
67 2012-06-22  Richard Guenther  <rguenther@suse.de>
68
69         * gcov-iov.c: Include bconfig.h and system.h.
70
71 2012-06-22  Richard Guenther  <rguenther@suse.de>
72
73         PR gcov-profile/53744
74         * gcov-iov.c (main): Treat "" and "prerelease" the same.
75
76 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
77
78         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
79         DECL_IGNORED_P non-reg vars even if they are used.
80
81 2012-06-19  Jason Merrill  <jason@redhat.com>
82
83         PR c++/52637
84         * dwarf2out.c (modified_type_die): Use scope_die_for.
85         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
86         (uses_local_type_r, uses_local_type): New.
87         (scope_die_for): Keep a type that uses a local type in local scope.
88         Use get_context_die for namespace and type scope.
89
90 2012-06-19  Richard Guenther  <rguenther@suse.de>
91
92         PR middle-end/53470
93         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
94         replace it with the first non-BLOCK context.
95
96 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
97
98         PR rtl-optimization/53700
99
100         Backport from mainline
101         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
102
103         * ira-color.c (setup_left_conflict_sizes_p): Process all
104         conflicting objects.
105
106 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
107
108         Backport from mainline
109         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
110
111         PR target/52908
112         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
113         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
114         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
115         instead of xop_mulv2div2di3_low.
116         (xop_p<macs>dql): Fix vec_select selector.
117         (xop_p<macs>dqh): Ditto.
118         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
119         (xop_mulv2div2di3_high): Ditto.
120
121 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
122
123         Backport from mainline:
124         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
125
126         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
127
128 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
129
130         Backport from mainline:
131         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
132
133         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
134         * config/pa/pa.c (pa_attr_length_millicode_call): Use
135         MAX_PCREL17F_OFFSET instead of fixed offset.
136         (pa_attr_length_call): Likewise.
137         (pa_attr_length_indirect_call): Likewise.
138
139 2012-06-15  Walter Lee  <walt@tilera.com>
140
141         Backport from mainline:
142         2012-06-15  Walter Lee  <walt@tilera.com>
143
144         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
145
146         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
147
148         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
149
150 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
151
152         Backport from mainline:
153
154         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
155         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
156         * gimple.h (block_in_transaction): Check for flag_tm.
157
158 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
159
160         PR tree-optimization/52558
161
162         Backport from mainline:
163         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
164         * gimple.h (gimple_set_in_transaction): Remove.
165         (gimple_in_transaction): Look in BB instead.
166         (gimple_statement_base): Remove in_transaction field.
167         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
168         * trans-mem.c (compute_transaction_bits): Place transaction bit
169         information into basic blocks.
170
171         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
172
173         PR tree-optimization/52558
174         * cfg.c (alloc_aux_for_edge): Fix comment.
175         (alloc_aux_for_edge): Remove static.
176         * basic-block.h (alloc_aux_for_edge): Protoize.
177         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
178         (execute_sm_if_changed_flag): New.
179         (execute_sm_if_changed_flag_set): New.
180         (execute_sm): Do not generate data races unless requested.
181         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
182         (tree_ssa_lim_finalize): Call free_aux_for_edges.
183         * gimple.h (block_in_transaction): New.
184         (gimple_in_transaction): Use block_in_transaction.
185
186 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
187
188         Backported from mainline
189         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
190
191         PR rtl-optimization/53589
192         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
193         discovery even when e->dest != target.  If any LABEL_REF points
194         to e->dest label, redirect it to target's label.
195
196         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
197
198         PR middle-end/53580
199         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
200         returns false, replace stmt with GIMPLE_NOP.
201         (check_omp_nesting_restrictions): Instead of issuing warnings,
202         issue errors and return false if any errors were reported.
203
204 2012-06-14  Richard Guenther  <rguenther@suse.de>
205
206         * BASE-VER: Set to 4.7.2.
207         * DEV-PHASE: Set to prerelease.
208
209 2012-06-12  Christian Bruel  <christian.bruel@st.com>
210
211         PR target/53621
212         * config/sh/sh.c (sh_option_override): Don't force
213          flag_omit_frame_pointer and maccumulate_outgoing_args.
214         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
215
216 2012-06-14  Release Manager
217
218         * GCC 4.7.1 released.
219
220 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
221
222         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
223
224 2012-06-13  Richard Henderson  <rth@redhat.com>
225
226         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
227         iterator instead of INT.
228
229 2012-06-08  Richard Henderson  <rth@redhat.com>
230
231         PR c++/53602
232         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
233         note to a clobber insn when no other insn is available.
234
235 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
236
237         PR c++/53524
238         * doc/invoke.texi (Wenum-compare): Update documentation.
239
240 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
241
242         PR target/53559
243         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
244         operands.
245         (altivec_stvlxl): Ditto.
246         (altivec_stvrx): Ditto.
247         (altivec_stvrxl): Ditto.
248
249 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
250
251         PR middle-end/47530
252         * trans-mem.c (expand_block_edges): Do not skip the first
253         statement when resetting the BB.
254
255 2012-06-04  Richard Guenther  <rguenther@suse.de>
256
257         PR middle-end/53471
258         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
259         create new assembler names.
260
261 2012-06-04  Richard Guenther  <rguenther@suse.de>
262
263         Backport from mainline
264         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
265
266         PR middle-end/52979
267         * stor-layout.c (get_best_mode): Don't return mode with bitsize
268         larger than maxbits.  Don't compute maxbits modulo align.
269         Also check that unit bytes long store at bitpos / unit * unit
270         doesn't affect bits beyond bitregion_end.
271         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
272         would not fit into bitregion_start ... bitregion_end + 1 bit
273         region.
274         (store_split_bit_field): Decrease unit close to end of bitregion_end
275         if access is restricted in order to avoid mutual recursion.
276
277 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
278
279         Backport from 2012-06-04 mainline r188172
280
281         PR target/46261
282         * config/avr/avr-stdint.h: New file.
283         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
284         newlib-stdint.h
285
286 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
287
288         PR tree-optimization/53550
289         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
290         is POINTER_TYPE_P, use sizetype as step type instead of type.
291
292 2012-06-04  Richard Guenther  <rguenther@suse.de>
293             Eric Botcazou  <ebotcazou@adacore.com>
294
295         Backport from mainline
296         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
297
298         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
299         Change type of BITOFFSET to signed.  Make sure the lower bound of
300         the computed range is non-negative by adjusting OFFSET and BITPOS.
301         (expand_assignment): Adjust call to get_bit_range.
302
303         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
304
305         * expr.c (get_bit_range): Return the null range if the enclosing record
306         is part of a larger bit field.
307
308         2012-03-20  Richard Guenther  <rguenther@suse.de>
309
310         * stor-layout.c (finish_bitfield_representative): Fallback
311         to conservative maximum size if the padding up to the next
312         field cannot be computed as a constant.
313         (finish_bitfield_layout): If we cannot compute the distance
314         between the start of the bitfield representative and the
315         bitfield member start a new representative.
316         * expr.c (get_bit_range): The distance between the start of
317         the bitfield representative and the bitfield member is zero
318         if the field offsets are not constants.
319
320         2012-03-16  Richard Guenther  <rguenther@suse.de>
321
322         * stor-layout.c (finish_bitfield_representative): Fall back
323         to the conservative maximum size if we cannot compute the
324         size of the tail padding.
325
326         2012-03-14  Richard Guenther  <rguenther@suse.de>
327
328         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
329         * stor-layout.c (start_bitfield_representative): New function.
330         (finish_bitfield_representative): Likewise.
331         (finish_bitfield_layout): Likewise.
332         (finish_record_layout): Call finish_bitfield_layout.
333         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
334         for QUAL_UNION_TYPE fields.
335         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
336         Stream DECL_BIT_FIELD_REPRESENTATIVE.
337         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
338
339         PR middle-end/52080
340         PR middle-end/52097
341         PR middle-end/48124
342         * expr.c (get_bit_range): Unconditionally extract bitrange
343         from DECL_BIT_FIELD_REPRESENTATIVE.
344         (expand_assignment): Adjust call to get_bit_range.
345
346 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
347
348         PR middle-end/53501
349         * fold-const.c (fold_binary_loc): Refine previous change.
350
351 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
352
353         Backport from mainline
354         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
355
356         PR target/52667
357         * config/sh/sh.c (find_barrier): Add equality check of last_got to
358         avoid going above orig insn.  Update comments.
359
360 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
361
362         Backport from mainline
363         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
364
365         PR target/52642
366         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
367         prologue for unwinder and profiler.
368
369 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
370
371         Backport from mainline
372         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
373
374         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
375
376 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
377
378         Backport from mainline
379         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
380
381         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
382         DBX_REGISTER_NUMBER.
383
384 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
385
386         Backport from mainline
387         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
388
389         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
390         operand is CONST_INT.  Take COSTS_N_INSNS into account.
391         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
392         shiftcosts.     
393
394 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
395
396         * config/avr/avr.opt (-msp8): Document it.
397         * doc/invoke.texi (AVR Options): Copy from trunk docu.
398
399 2012-05-31  Richard Guenther  <rguenther@suse.de>
400
401         PR middle-end/48493
402         * expr.c (expand_assignment): Do not use movmisalign on
403         non-memory.
404
405 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
406
407         PR target/52999
408         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
409         (pa_section_type_flags): New.
410         (pa_legitimate_constant_p): Revert previous change.
411
412 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
413
414         Backport from mainline
415         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
416
417         PR middle-end/53008
418         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
419         accessed indirectly.
420         (ipa_tm_create_version): Same.
421
422 2012-05-30  Jason Merrill  <jason@redhat.com>
423
424         PR c++/53220
425         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
426         about array compound literals.
427
428 2012-05-30  Richard Guenther  <rguenther@suse.de>
429
430         PR middle-end/53501
431         * fold-const.c (fold_binary_loc): Make sure to call
432         fold_plusminus_mult_expr with the original sign of operands.
433
434 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
435
436         * explow.c (probe_stack_range): Restore simple control flow and stop
437         again when the probe cannot be generated if HAVE_check_stack.
438
439 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
440
441         PR rtl-optimization/53519
442         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
443         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
444
445 2012-05-29  Richard Guenther  <rguenther@suse.de>
446
447         PR tree-optimization/53516
448         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
449         bitfield accesses.
450         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
451
452 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
453
454         Backport from mainline
455         2012-05-28  Richard Guenther  <rguenther@suse.de>
456
457         PR tree-optimization/53438
458         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
459
460 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
461
462         Backport from mainline
463         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
464
465         PR rtl-optimization/52528
466         * combine.c (can_combine_p): Add setting of subst_low_luid
467         before call to expand_field_assignment().
468
469 2012-05-26  Martin Jambor  <mjambor@suse.cz>
470
471         Backport from mainline
472         2012-05-23  Martin Jambor  <mjambor@suse.cz>
473
474         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
475
476 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
477
478         PR lto/52178
479         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
480         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
481
482 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
483
484         PR target/53435
485         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
486         (ix86_expand_vec_perm): Use int mode instead of float.
487
488 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
489
490         PR ada/52362
491         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
492         gnu_ld variables to yes.
493         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
494         (HAVE_GNU_AS): Likewise.
495         * config.in: Regenerate.
496         * configure: Likewise.
497
498 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
499
500         Backport from mainline
501         2012-03-12  Richard Guenther  <rguenther@suse.de>
502         * config/arm/arm.c (neon_dereference_pointer): Do not call
503         covert during RTL expansion.
504
505 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
506
507         Backport from mainline
508         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
509
510         PR target/53385
511         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
512         relied on signed overflow behavior.
513
514 2012-05-24  Richard Guenther  <rguenther@suse.de>
515
516         PR middle-end/53460
517         * tree-profile.c (tree_profiling): Cleanup the CFG if
518         execute_fixup_cfg requests it.
519
520 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
521
522         PR tree-optimization/53465
523         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
524         vr0 into *vr, then vrp_meet that.
525         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
526         have any equivalences.
527         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
528         first time.
529
530 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
531
532         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
533         size handling.
534         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
535         (iterative_hash_gimple_type): Adjust comment.
536         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
537         domain for an array type instead of the domain type itself.
538
539 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
540
541         Backport from 2012-05-23 mainline r187803
542
543         PR target/53448
544         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
545         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
546         ASM_OUTPUT_ALIGN.
547
548 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
549
550         Backport from 2012-05-03 mainline r187075
551
552         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
553         has_fma4 for AMD processors with both fma3 and fma4 support.
554
555 2012-05-22  Richard Guenther  <rguenther@suse.de>
556
557         PR tree-optimization/53408
558         * tree-vect-loop.c (vectorizable_induction): Properly check
559         the restriction that we cannot handle induction results from
560         the inner loop outside of the outer loop.
561
562 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
563
564         PR tree-optimization/53436
565         * omp-low.c (omp_build_component_ref): New function.
566         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
567
568         PR tree-optimization/53366
569         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
570         tests if complex_numbers == 2, but there are non-complex number loads
571         too.
572
573         PR tree-optimization/53409
574         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
575         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
576
577         PR tree-optimization/53410
578         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
579         instead of build_int_cst (type, 0) where vector types might be
580         involved.
581
582 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
583
584         PR c/53418
585         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
586         from folded operands before wrapping another around the
587         conditional expression.
588
589 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
590             Patrick Marlier  <patrick.marlier@gmail.com>
591
592         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
593         indirect calls.
594
595 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
596
597         Backport from mainline
598         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
599
600         PR target/53416
601         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
602         (UNSPECV_RDRAND): This.
603         (rdrand<mode>_1): Updated.
604
605 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
606
607         Backport from mainline
608         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
609
610         * config/i386/driver-i386.c (host_detect_local_cpu): Support
611         RDRND, F16C and FSGSBASE.
612
613 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
614
615         Backport from mainline
616         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
617
618         * tree-ssa-pre.c (can_value_number_call): Delete.
619         (compute_avail): Skip all statements with side effects.
620         <GIMPLE_CALL>: Skip calls to internal functions.
621
622 2012-05-18  David S. Miller  <davem@davemloft.net>
623
624         Backport r185385 from mainline
625         2012-03-14  Richard Guenther  <rguenther@suse.de>
626
627         PR middle-end/52584
628         * tree-vect-generic.c (type_for_widest_vector_mode): Take
629         element type instead of mode, use build_vector_type_for_mode
630         instead of the langhook, build a vector of proper signedness.
631         (expand_vector_operations_1): Adjust.
632
633 2012-05-18  Olivier Hainque  <hainque@adacore.com>
634
635         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
636         $(libsubdir) as libexecsubdir.
637
638 2012-05-16  Andrew Pinski  <apinski@cavium.com>
639
640         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
641         GIMPLE_ASSIGN.
642
643 2012-05-16  David S. Miller  <davem@davemloft.net>
644
645         * jump.c (delete_related_insns): If we remove a CALL, make sure
646         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
647
648 2012-05-16  Richard Henderson  <rth@redhat.com>
649
650         PR debug/52727
651         * combine-stack-adj.c (prev_active_insn_bb): New.
652         (next_active_insn_bb): New.
653         (force_move_args_size_note): New.
654         (combine_stack_adjustments_for_block): Use it.
655
656 2012-05-16  Olivier Hainque  <hainque@adacore.com>
657
658         * Makefile.in (install-no-fixedincludes): New target, former toplevel
659         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
660         Add comments and improve stamp preservation across the whole sequence.
661         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
662
663 2012-05-16  Richard Guenther  <rguenther@suse.de>
664
665         PR tree-optimization/53364
666         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
667         detect a view-conversion of the decl.
668
669 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
670
671         PR target/53358
672         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
673         that operands[2] is either immediate, or q_regs_operand.
674
675 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
676
677         Backport r187139 from mainline.
678         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
679
680         PR rtl-optimization/52804
681         * reload1.c (reload_reg_reaches_end_p): Check whether successor
682         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
683         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
684         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
685         RELOAD_FOR_OUTADDR_ADDRESS.
686
687 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
688
689         PR target/46098
690         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
691         generate target register for "load" class builtins.
692
693         Revert:
694         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
695
696         PR target/46098
697         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
698         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
699         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
700         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
701         (<sse>_movu<ssemodesuffix>): New expander.
702         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
703         (avx_movdqu<avxmodesuffix>): New expander.
704         (*sse2_movdqu): Rename from sse2_movdqu.
705         (sse2_movdqu): New expander.
706
707 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
708
709         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
710         lineno 1 the same as lineno 0 before first start file directive.
711         (optimize_macinfo_range): Likewise.
712
713         * dwarf2out.c (have_macinfo): Define.
714         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
715         attribute, don't force empty compilation unit and don't emit any
716         .debug_macinfo/.debug_macro section if macinfo_table is empty.
717
718 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
719
720         Backport from mainline
721         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
722
723         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
724         ORDERED and UNORDERED conditions.
725
726 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
727
728         * function.c (requires_stack_frame_p): If the function can throw
729         non-call exceptions, return true if the insn can throw internally.
730
731 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
732
733         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
734         DECL_ORIGINAL_TYPE if it is present.
735
736 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
737
738         Backport from 2012-05-12 mainline r187342.
739
740         PR target/53256
741         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
742         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
743         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
744         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
745         (expand_prologue): Move initialization of cfun->machine->is_naked,
746         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
747         (avr_set_current_function): ...this new static function.
748         (TARGET_SET_CURRENT_FUNCTION): New define.
749         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
750         checking attributes of current_function_decl.
751         (avr_regs_to_save): Ditto.
752         (signal_function_p): Rename to avr_signal_function_p.
753         (interrupt_function_p): Rename to avr_interrupt_function_p.
754
755         * doc/extend.texi (Function Attributes): Better explanation of
756         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
757         alphabetical order.
758
759 2012-05-09  Matthias Klose  <doko@ubuntu.com>
760
761         * gcc-ar.c (main): Don't check for execute bits for the plugin.
762
763 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
764
765         PR target/53272
766         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
767         when a constant source operand matches an "I" constraint, the "no
768         CC0 change" applies to a register-destination only, not a
769         strict_low_part-destination.
770
771 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
772
773         Backport from mainline:
774         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
775
776         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
777
778 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
779
780         PR tree-optimization/53239
781         * tree-vrp.c (get_value_range): Set VR of
782         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
783         to nonnull.
784
785 2012-05-07  Richard Guenther  <rguenther@suse.de>
786
787         PR tree-optimization/53195
788         * tree-inline.c (setup_one_parameter): Properly add referenced
789         vars from the parameters new known value.
790
791 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
792
793         Backport from mainline:
794         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
795
796         PR target/52999
797         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
798         in constant pool.
799
800 2012-05-04  Ian Lance Taylor  <iant@google.com>
801
802         * tree-vect-patterns.c (vect_single_imm_use): Correct return
803         values from false to NULL.
804
805 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
806
807         Backport from mainline
808         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
809
810         PR target/53228
811         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
812         (TARGET_CMOV): Rename from TARGET_CMOVE.
813         (TARGET_CMOVE): New define.
814         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
815         Do not set TARGET_CMOVE here.
816
817 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
818
819         Backport from mainline:
820
821         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
822
823         PR tree-optimization/52633
824         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
825         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
826         (vect_recog_over_widening_pattern): Remove handling of code that was
827         already detected as over-widening pattern.  Remove special handling
828         of "unsigned" cases.  Instead, support general case of conversion
829         of the shift result to another type.
830
831         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
832
833         * tree-vect-patterns.c (vect_single_imm_use): New function.
834         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
835         (vect_recog_over_widening_pattern): Likewise.
836         (vect_recog_widen_shift_pattern): Likewise.
837
838         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
839
840         PR tree-optimization/52870
841         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
842         presumed pattern statement is within the same loop or basic block.
843
844 2012-05-04  Richard Guenther  <rguenther@suse.de>
845
846         * common.opt (flto-report): Do not mark as Optimization.
847
848 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
849
850         PR target/48496
851         * recog.c (constrain_operands): If extra constraints are present, also
852         accept pseudo-registers with equivalent memory locations during reload.
853
854 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
855
856         Backport from the mainline
857         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
858
859         PR target/53199
860         * config/rs6000/rs6000.md (bswapdi splitters): If
861         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
862         default) is used, generate an alternate sequence that does not
863         depend on using indexed addressing.
864
865 2012-05-03  David S. Miller  <davem@davemloft.net>
866
867         PR target/52684
868         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
869         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
870         (sparc_emit_float_lib_cmp): Likewise.
871
872 2012-05-04  Martin Jambor  <mjambor@suse.cz>
873
874         Backport from mainline
875         2012-05-02  Martin Jambor  <mjambor@suse.cz>
876
877         PR lto/52605
878         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
879         of a variable when the contect is a function.
880
881 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
882
883         PR plugins/53126
884         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
885         append program name to it and pass that as first argument
886         to make_relative_prefix.  Always pass standard_libexec_prefix
887         as last argument to make_relative_prefix.  If
888         make_relative_prefix returns NULL, fall back to
889         standard_libexec_prefix.
890
891         PR debug/53174
892         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
893         removed.
894
895         PR target/53187
896         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
897         mode, return that mode.
898
899 2012-05-03  Richard Guenther  <rguenther@suse.de>
900
901         PR tree-optimization/53144
902         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
903         Rename to ...
904         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
905         with SSA name values.
906         (vn_reference_lookup_3): Adjust callers.
907
908 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
909
910         PR tree-optimization/53163
911         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
912         return value from compute_all_dependences.
913
914         PR rtl-optimization/53160
915         * ree.c (combine_reaching_defs): Handle the case where cand->insn
916         has been modified by ree pass already.
917
918 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
919
920         Backport from mainline
921         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
922
923         PR middle-end/53136
924         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
925         calls to cgraph_node_name in xstrdup.
926         (ipa_make_edge_direct_to_target): Ditto.
927         * tree-sra.c (convert_callers_for_node): Ditto.
928         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
929         * ipa-cp.c (perhaps_add_new_callers): Ditto.
930         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
931         (cgraph_materialize_all_clones): Ditto.
932         * ipa-inline.c (report_inline_failed_reason): Ditto.
933         (want_early_inline_function_p): Ditto.
934         (edge_badness): Ditto.
935         (update_edge_key): Ditto.
936         (flatten_function): Ditto.
937         (ipa_inline): Ditto.
938         (inline_always_inline_functions): Ditto.
939         (early_inline_small_functions): Ditto.
940
941 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
942
943         Backport from mainline
944         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
945
946         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
947         Introduce emul_name to select the right linker emulation for
948         powerpc64-*-freebsd*.
949         * configure: Regenerate.
950         * config.gcc: Add bits to support powerpc64-*-freebsd*.
951         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
952         * config/rs6000/freebsd64.h: New file.
953         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
954         POWERPC_FREEBSD.
955         (rs6000_savres_strategy): Likewise.
956         (rs6000_savres_routine_name): Likewise.
957         (rs6000_elf_file_end): Likewise.
958         * config/rs6000/t-freebsd64: New file.
959         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
960         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
961
962 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
963
964         Backport from mainline
965         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
966
967         PR target/53138
968         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
969
970 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
971
972         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
973         predicate to discriminate types.
974
975 2012-04-27  Richard Guenther  <rguenther@suse.de>
976
977         PR c/51527
978         * convert.c (convert_to_integer): Avoid infinite recursion for
979         target-defined built-in types.
980
981 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
982
983         PR target/53120
984         * config/cris/cris.md ("*andhi_lowpart_v32")
985         ("*andqi_lowpart_v32"): Change first input-only operand from
986         a (match_operand ...) to (match_dup 0).  Drop alternatives with
987         const_int-matching constraints for redundancy.
988         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
989         three-operand alternative.
990
991 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
992
993         Backport from mainline
994         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
995
996         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
997         (*addsi_2_zext): Ditto.
998         (*add<mode>_3): Ditto.
999         (*addsi_3_zext): Ditto.
1000         (*add<mode>_5): Ditto.
1001
1002 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1003
1004         PR c/52880
1005         * c-typeck.c (set_nonincremental_init,
1006         set_nonincremental_init_from_string): Pass true instead of false
1007         as IMPLICIT to add_pending_init.
1008
1009 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1010
1011         Backport from 2012-04-24 mainline r186768.
1012
1013         PR target/53065
1014         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1015
1016 2012-04-24  Richard Guenther  <rguenther@suse.de>
1017
1018         PR tree-optimization/53085
1019         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1020         stores.
1021
1022 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1023
1024         PR middle-end/53084
1025         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1026         of MEM_REF.
1027         (output_addressed_constants): Likewise.
1028
1029         PR middle-end/52999
1030         * varasm.c (get_section): Don't ICE for section conflicts with
1031         built-in section kinds.
1032
1033 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1034
1035         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1036
1037 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1038
1039         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1040
1041 2012-04-23  Richard Guenther  <rguenther@suse.de>
1042
1043         PR c/53060
1044         * c-typeck.c (build_binary_op): Fix typo.
1045
1046 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR tree-optimizations/52891
1049         * tree-vect-patterns.c (adjust_bool_pattern): Use
1050         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1051         but with non-standard precision.
1052
1053 2012-04-22  Ian Lance Taylor  <iant@google.com>
1054
1055         * godump.c (go_output_typedef): Dump size of structs.
1056
1057 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1058
1059         Backport from mainline:
1060
1061         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1062         hints for 'A' operand types.
1063
1064 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1065
1066         Backport from 2012-04-19 mainline r186588.
1067
1068         PR target/53033
1069         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1070         the case *(X+const).
1071
1072 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1073
1074         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1075
1076 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1077
1078         PR target/53020
1079         * config/i386/sync.md (atomic_<code><mode>): Rename to
1080         atomic_<logic><mode>.
1081
1082 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1083
1084         Backport from mainline
1085         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1086
1087         PR target/52932
1088         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1089         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1090         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1091         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1092         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1093         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1094         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1095         gen_avx2_permvarv8sf.
1096
1097 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1098
1099         Backported from mainline
1100
1101         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1102         PR middle-end/52939
1103
1104         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1105         fold_ctor_reference returns a zero constant.
1106
1107 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1108
1109         Backported from mainline
1110         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1111
1112         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1113         and __ILP32__ for x32.
1114
1115 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1116
1117         Backport from mainline r186418.
1118
1119         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1120
1121         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1122         parameters vuse and vuse_escaped.
1123         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1124         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1125         vuse1 != vuse2.
1126
1127 2012-04-13  Richard Guenther  <rguenther@suse.de>
1128
1129         PR tree-optimization/52969
1130         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1131         the condition for the COND_EXPR and handle predicate negation
1132         by swapping the COND_EXPR arms.
1133
1134 2012-04-13  Richard Guenther  <rguenther@suse.de>
1135
1136         PR c/52862
1137         * convert.c (convert_to_pointer): Remove special-casing of
1138         zero.
1139
1140 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1141
1142         Backport from mainline
1143         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1144
1145         PR target/52775
1146         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1147         the list of options to enable the FCFID instruction.
1148         (TARGET_EXTRA_BUILTINS): Adjust comment.
1149
1150 2012-04-12  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/52943
1153         * tree-chrec.h (chrec_is_positive): Remove.
1154         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1155         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1156         Return false for a constant zero instead of negative.
1157         (analyze_siv_subscript_cst_affine): Handle zero difference
1158         in the initial condition explicitely.
1159
1160 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1161
1162         PR middle-end/52894
1163         * varasm.c (process_pending_assemble_externals): Set
1164         pending_assemble_externals_processed true.
1165         (assemble_external): Call assemble_external_real if the pending
1166         assemble externals have been processed.
1167
1168 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1169
1170         PR target/52717
1171         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1172         the DECL generated for the special GOT helper.
1173
1174 2012-04-06  Walter Lee  <walt@tilera.com>
1175
1176         Backport from mainline
1177         2012-03-07  Walter Lee  <walt@tilera.com>
1178
1179         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1180         REG_CFA_* notes for the stack pointer.
1181         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1182         EH_RETURN_STACKADJ_RTX.
1183         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1184         generate REG_CFA_* notes for the stack pointer.
1185         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1186         by EH_RETURN_STACKADJ_RTX.
1187
1188 2012-04-06  Matt Turner  <mattst88@gmail.com>
1189
1190         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1191
1192 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1193
1194         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1195         of the destination isn't also a FP_REGS register.
1196
1197 2012-04-03  Richard Guenther  <rguenther@suse.de>
1198
1199         Backport from mainline
1200         2012-03-02  Richard Guenther  <rguenther@suse.de>
1201
1202         PR tree-optimization/52406
1203         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1204         (struct indices): Add unconstrained_base member.
1205         (struct dr_alias): Remove unused vops member.
1206         (DR_UNCONSTRAINED_BASE): New define.
1207         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1208         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1209         be an artificial access that covers the whole indexed object,
1210         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1211         plain decl base-objects to their MEM_REF variant.
1212         (dr_may_alias_p): When the base-object of either data reference
1213         has unknown size use only points-to information.
1214         (compute_affine_dependence): Make dumps easier to read and
1215         more verbose.
1216         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1217         DR_REF when looking for packed references.
1218         (vect_supportable_dr_alignment): Likewise.
1219
1220 2012-04-03  Richard Guenther  <rguenther@suse.de>
1221
1222         Backport from mainline
1223         2012-03-15  Richard Guenther  <rguenther@suse.de>
1224
1225         PR middle-end/52580
1226         * tree-data-ref.c (subscript_dependence_tester_1): Check
1227         all dimensions for non-conflicting access functions.
1228
1229 2012-04-03  Richard Guenther  <rguenther@suse.de>
1230
1231         Backport from mainline
1232         2012-03-06  Richard Guenther  <rguenther@suse.de>
1233
1234         PR middle-end/52493
1235         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1236
1237         2012-03-23  Richard Guenther  <rguenther@suse.de>
1238
1239         PR tree-optimization/52678
1240         * tree-vectorizer.h (struct _stmt_vec_info): Add
1241         loop_phi_evolution_part member.
1242         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1243         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1244         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1245         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1246         Use the cached evolution part and the PHI nodes value from
1247         the loop preheader edge instead of re-analyzing the evolution.
1248
1249         2012-03-26  Richard Guenther  <rguenther@suse.de>
1250
1251         PR tree-optimization/52701
1252         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1253         compute and set the evolution part of PHI nodes.
1254
1255         2012-03-30  Richard Guenther  <rguenther@suse.de>
1256
1257         PR tree-optimization/52754
1258         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1259         propagate arbitrary addresses into really plain dereferences.
1260
1261 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1262
1263         PR tree-optimization/52835
1264         * tree-data-ref.c (build_rdg): Return NULL if
1265         compute_data_dependences_for_loop failed.
1266
1267 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1268
1269         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1270         (stmt_can_make_abnormal_goto): Use it.
1271         (is_ctrl_altering_stmt): Likewise.
1272
1273 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1274
1275         Backported from mainline
1276         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1277
1278         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1279         is a builtin_stack_save in a dominating BB.
1280
1281 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1282
1283         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1284         crossing 128bit lane boundary.
1285
1286 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1287
1288         Backported from mainline
1289         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1290
1291         PR target/52698
1292         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1293         New prototype.
1294         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1295         * config/i386/i386.c: Include reload.h.
1296         (ix86_legitimize_reload_address): New function.
1297
1298 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1299
1300         Backported from mainline
1301         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1302
1303         PR middle-end/52693
1304         * tree-sra.c (sra_modify_assign): Do not call
1305         load_assign_lhs_subreplacements when working with an unscalarizable
1306         region.
1307
1308 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1309
1310         PR middle-end/52691
1311         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1312         __builtin_va_start to __builtin_next_arg if the latter is
1313         builtin_decl_explicit_p rather than when it is not.
1314
1315         PR middle-end/52750
1316         * tree-vect-generic.c (vector_element): Perform multiplication
1317         for pos in bitsizetype type instead of idx type.
1318
1319 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1320
1321         Backport from 2012-03-28 mainline r185910.
1322
1323         PR target/52692
1324         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1325         (avr_builtin_decl): New static function.
1326         (struct avr_builtin_description, avr_bdesc): Move up.
1327         Add GTY marker. Add field fndecl. Remove redundant field id.
1328         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1329         (avr_expand_builtin): Code cleanup because .id is removed.
1330
1331 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1332
1333         PR middle-end/51893
1334         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1335         targets.
1336
1337 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1338
1339         Backport from 2012-03-28 mainline r185907.
1340
1341         PR target/52737
1342         * config.gcc (tm_file): Remove avr/multilib.h.
1343
1344         * doc/invoke.texi (AVR Options): Adjust
1345         documentation of -mtiny-stack.
1346
1347         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1348         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1349         * config/avr/t-avr: Remove generation of multilib.h.
1350         * config/avr/t-multilib: Regenerate.
1351         * config/avr/multilib.h: Remove.
1352         * config/avr/avr.opt (-msp8): New option.
1353         (avr_sp8): New variable.
1354         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1355         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1356         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1357         (avr_device_to_sp8): New prototype.
1358         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1359         (DRIVER_SELF_SPECS): New define.
1360         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1361         __AVR_SP8__, __AVR_HAVE_SPH__.
1362         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1363         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1364         (avr_file_start): Ditto.
1365
1366 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR target/52736
1369         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1370         instead of 8 in adjust_address.
1371
1372 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1373
1374         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1375         of a unit before computing the offset in units.
1376
1377 2012-03-27  Richard Guenther  <rguenther@suse.de>
1378
1379         PR middle-end/52720
1380         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1381         explicitely.
1382
1383 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1384
1385         PR target/52610
1386         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1387
1388 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1389
1390         PR middle-end/52640
1391         * varasm.c: Include pointer-set.h.
1392         (pending_assemble_externals_set): New pointer set.
1393         (process_pending_assemble_externals): Destroy the pointer set.
1394         (assemble_external): See if decl is in pending_assemble_externals_set,
1395         and add it to pending_assemble_externals if necessary.
1396         (init_varasm_once): Allocate pending_assemble_externals_set.
1397
1398 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1399
1400         Backported from mainline
1401         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1402
1403         PR target/50310
1404         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1405         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1406         (vector_ltgt<mode>): Likewise.
1407         (vector_ordered<mode>): Likewise.
1408         (vector_unordered<mode>): Likewise.
1409         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1410
1411 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1412
1413         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1414         Make static.
1415
1416 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1417
1418         Backported from mainline
1419         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1420
1421         PR target/48596
1422         PR target/48806
1423         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1424         GENERAL_REGS and FP_REGS for SImode.
1425
1426 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1427
1428         PR middle-end/52547
1429         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1430         on any new_local_var_chain vars declared during recursing on
1431         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1432
1433 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1434
1435         Backport from 2012-03-22 mainline r185692.
1436
1437         PR target/52496
1438         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1439         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1440         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1441         (delay_cycles_1, delay_cycles_2): Ditto.
1442         (delay_cycles_3, delay_cycles_4): Ditto.
1443         (nopv, *nopv): Ditto.
1444         (sleep, *sleep): Ditto.
1445         (wdr, *wdr): Ditto.
1446
1447         Backport from 2012-03-21 mainline r185605.
1448
1449         PR rtl-optimization/52543
1450         PR target/52461
1451         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1452         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1453         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1454         (avr_load_libgcc_p): Restrict to __flash loads.
1455         (avr_out_lpm): Only handle 1-byte loads from __flash.
1456         (avr_load_lpm): New function.
1457         (avr_find_unused_d_reg): Remove.
1458         (avr_out_lpm_no_lpmx): Remove.
1459         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1460         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1461         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1462         (load_<mode>, load_<mode>_clobber): New insns.
1463         (mov<mode>): For multi-byte move from non-generic
1464         16-bit address spaces: Expand to load_<mode> resp.
1465         load_<mode>_clobber.
1466         (load<mode>_libgcc): Remove expander.
1467         (split-lpmx): Remove split.
1468
1469         Backport from 2012-03-13 mainline r185329.
1470
1471         PR target/52488
1472         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1473         offset (size) to a value the insns can deal with.
1474         (expand_epilogue): Ditto.
1475
1476         Backport from 2012-03-12 mainline r185256.
1477
1478         PR target/52499
1479         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1480         type from reg_class_t to enum reg_class.
1481         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1482
1483         Backport from 2012-03-12 mainline r185253.
1484
1485         PR target/52148
1486         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1487         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1488         r184615 from 2012-02-28.
1489
1490         Backport from 2012-03-08 mainline r185105.
1491
1492         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1493         for constants in [-63,63].
1494
1495         Backport from 2012-03-08 mainline r185100.
1496
1497         PR target/52496
1498         * config/avr/avr.c (avr_mem_clobber): New static function.
1499         (avr_expand_delay_cycles): Add memory clobber operand to
1500         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1501         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1502         (enable_interrupt, disable_interrupt): New expander.
1503         (nopv, sleep, wdr): New expanders.
1504         (delay_cycles_1): Add memory clobber.
1505         (delay_cycles_2): Add memory clobber.
1506         (delay_cycles_3): Add memory clobber.
1507         (delay_cycles_4): Add memory clobber.
1508         (cli_sei): New insn from former "enable_interrupt",
1509         "disable_interrupt" with memory clobber.
1510         (*wdt): New insn from former "wdt" with memory clobber.
1511         (*nopv): Similar, but for "nopv".
1512         (*sleep): Similar, but for "sleep".
1513
1514         Backport from 2012-03-07 mainline r185043.
1515
1516         PR target/52484
1517         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1518
1519         Backport from 2012-03-07 mainline r185032.
1520
1521         PR target/52506
1522         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1523         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1524         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1525
1526         Backport from 2012-03-07 mainline r185031.
1527
1528         PR target/52505
1529         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1530         from RAM.
1531         * config/avr/avr.md (xload_8): Adjust insn length.
1532
1533         Backport from 2012-03-07 mainline r185030.
1534
1535         PR target/52461
1536         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1537         if RAMPZ affects reading from RAM.
1538
1539         Backport from 2012-03-05 mainline r184919.
1540
1541         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1542
1543 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1544
1545         Backport from mainline r185259.
1546
1547         PR other/52545
1548         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1549         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1550
1551 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1552
1553         Backported from mainline
1554         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1555
1556         PR c/52577
1557         * c-parser.c (c_parser_postfix_expression)
1558         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1559
1560         * config/i386/smmintrin.h: Avoid /* within a comment.
1561         * config/i386/nmmintrin.h: Likewise.
1562
1563 2012-03-22  Richard Guenther  <rguenther@suse.de>
1564
1565         * BASE-VER: Set to 4.7.1.
1566         * DEV-PHASE: Set to prerelease.
1567
1568 2012-03-22  Release Manager
1569
1570         * GCC 4.7.0 released.
1571
1572 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1573
1574         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1575
1576 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1577             Andrew Pinski  <apinski@cavium.com>
1578
1579         PR middle-end/52592
1580         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1581         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1582         calls instead of __builtin_ir{int,ound}*.
1583
1584 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1585
1586         PR c++/52582
1587         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1588         if c_node is NULL.
1589
1590 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1591
1592         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1593         Refer to GCC 4.7 version of c99status.html.
1594
1595 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1596
1597         Backport from mainline
1598         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1599
1600         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1601         redefine to be NULL if the current bit-size is different from the
1602         configured bit-size.
1603
1604         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1605         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1606         set the default tuning.  Add asserts to make sure the cpu and tune
1607         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1608         test whether the index is set, instead of > 0.
1609         (rs6000_file_start): Do not reset the default cpu if the current
1610         bit-size is different from the configured bit-size.
1611
1612 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1613
1614         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1615         binutils reference.
1616         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1617         Update binutils references.
1618         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1619         Update binutils reference.
1620         Update Sun as/GNU ld caveat.
1621         Document binutils largefile requirement for LTO plugin.
1622         Remove reference to alternate libpthread.
1623
1624 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1625
1626         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1627         reference.
1628         (Specific, mips-sgi-irix6): Likewise.
1629
1630 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1631
1632         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1633         * configure: Regenerate.
1634
1635 2012-03-07  Richard Henderson  <rth@redhat.com>
1636
1637         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1638         * config/m68k/sync.md (atomic_test_and_set): Use it.
1639         (atomic_test_and_set_1): Likewise.
1640
1641 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1642
1643         PR target/51417
1644         * Makefile.in: Let install-gcc-ar depend on installdirs,
1645         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1646         Don't double canonicalize if cross-compiling.
1647
1648 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1649
1650         * trans-mem.c: New typedef for tm_region_p.
1651         Define vector types for tm_region_p.
1652         (tm_region_init): Replace region_worklist to a vector called
1653         bb_regions.
1654
1655 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1656
1657         PR middle-end/52463
1658         * trans-mem.c (tm_region_init): Use last_basic_block.
1659
1660 2012-03-05  Richard Henderson  <rth@redhat.com>
1661
1662         PR tree-opt/52242
1663         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1664         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1665         BIGGEST_ALIGNMENT is aligned.
1666
1667 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1668
1669         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1670
1671 2012-03-05  Richard Henderson  <rth@redhat.com>
1672
1673         PR target/52481
1674         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1675         instead of calling negqi2 directly.
1676
1677 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1678
1679         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1680         (INTMAX_TYPE): Use it.
1681         (UINTMAX_TYPE): Likewise.
1682         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1683         (irix6_c_common_override_options): Declare.
1684         (C_COMMON_OVERRIDE_OPTIONS): Define.
1685         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1686         * config/mips/irix6-c.c: New file.
1687         * config/mips/t-irix6 (irix6-c.o): New target.
1688         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1689         cxx_target_objs.
1690
1691 2012-03-02  Richard Henderson  <rth@redhat.com>
1692
1693         * optabs.c (expand_atomic_test_and_set): Honor
1694         atomic_test_and_set_trueval even when atomic_test_and_set
1695         optab is not in use.
1696
1697 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1698
1699         Backport from mainline
1700         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1701
1702         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1703
1704 2012-03-02  Richard Guenther  <rguenther@suse.de>
1705
1706         * DEV-PHASE: Set to prerelease.
1707
1708 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1709
1710         * config.gcc (obsolete): Add all ARM targets using the FPA.
1711         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1712         * doc/install.texi: Avoid references to obsolete ARM ports.
1713
1714 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1715
1716         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1717
1718 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1719             Joern Rennecke  <joern.rennecke@embecosm.com>
1720
1721         * doc/extend.texi: Expand and update information on interrupt
1722         attribute for Epiphany.
1723
1724 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1725
1726         * config/sh/sh-protos.h: Update copyright notice dates.
1727         * config/sh/sh.h: Likewise.
1728         * config/sh/sh.md: Likewise.
1729         * config/sh/constraints.md: Likewise.
1730         * config/sh/predicates.md: Likewise.
1731
1732 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1733
1734         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1735         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1736
1737 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1738
1739         * config/sh/constraints.md: Fix comment typo.
1740
1741 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1742
1743         PR target/52408
1744         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1745         unsigned HOST_WIDE_INT.
1746         (zvdep_imm64): Likewise.
1747         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1748         (vdepi_and): Likewise.
1749         Likewise for unamed 64-bit patterns.
1750         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1751
1752 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1753
1754         PR debug/52001
1755         PR rtl-optimization/52417
1756         * cselib.c (cselib_any_perm_equivs): New variable.
1757         (cselib_reset_table): Check that it's not set when not
1758         preserving constants.
1759         (cselib_add_permanent_equiv): Set it.
1760         (cselib_have_permanent_equivalences): New.
1761         (cselib_init, cselib_finish): Reset it.
1762         * cselib.h (cselib_have_permanent_equivalences): Declare.
1763         * alias.c (get_addr): Restore earlier behavior when there
1764         aren't permanent equivalences.
1765
1766 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1767
1768         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1769         * config/v850/v850-modes.def: Fix copyright notice.
1770
1771 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1772
1773         * doc/extend.texi (AVR Built-in Functions): Document
1774         __builtin_avr_flash_segment.
1775
1776         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1777         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1778         (*split.flash_segment): New insn-and-split.
1779         * config/avr/avr.c (avr_init_builtins): Add local variables:
1780         const_memx_void_node, const_memx_ptr_type_node,
1781         char_ftype_const_memx_ptr.
1782
1783 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1784
1785         PR tree-optimization/52445
1786         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1787         add ssa_name_ver, offset and size fields and change store field
1788         to bool.
1789         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1790         (add_or_mark_expr): Likewise.  Only consider previous stores
1791         with the same size and offset.
1792         (nt_init_block): Only look at gimple_assign_single_p stmts,
1793         doesn't look at rhs2.
1794
1795 2012-03-01  Richard Guenther  <rguenther@suse.de>
1796
1797         PR middle-end/52443
1798         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1799         conversions from integral types to pointer types.
1800
1801 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1802
1803         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1804         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1805         unintentionally removed in r184616.
1806
1807 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1808
1809         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1810         3DNow from bdver1.
1811
1812 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1813             Uros Bizjak  <ubizjak@gmail.com>
1814
1815         PR target/52437
1816         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1817         alternatives, add "e" constraint to the new last alternative
1818         and ! to last 3 alternatives.
1819
1820 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1821
1822         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1823         DW_AT_artificial attributes at the end of the processing.
1824         (gen_array_type_die): Likewise.
1825         (gen_enumeration_type_die): Likewise.
1826         (gen_struct_or_union_type_die): Likewise.
1827         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1828         the parent type.
1829
1830 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1831
1832         PR middle-end/52419
1833         * expr.c (expand_assignment): If doing misaligned store that doesn't
1834         cover all mode bits, perform a RMW cycle.
1835
1836         PR tree-optimization/52429
1837         * tree-parloops.c (separate_decls_in_region_debug): Return early
1838         if var is LABEL_DECL.
1839
1840 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1841
1842         PR tree-optimization/52424
1843         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1844         calling dom_thread_across_edge.
1845
1846 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1847
1848         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1849
1850 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1851
1852         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1853         * config/avr/avr.c (avr_output_bld): Remove unused function.
1854         (avr_out_sbxx_branch): Use "%T" to print bit position.
1855
1856 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1857
1858         * config/avr/avr.md: Untabify.
1859
1860 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1861
1862         * config/avr/avr.md (eqne): New code iterator.
1863         (*dec-and-branchsi): Use it in text peephole's condition.
1864         (*dec-and-branchhi): Ditto.
1865         (*dec-and-branchqi): Ditto.
1866
1867 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1868
1869         PR target/49939
1870         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1871         the device does not have the skip-bug.
1872
1873 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1874
1875         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1876         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1877         -mpretend-cmove): New.
1878
1879 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1880
1881         PR bootstrap/52397
1882         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1883         doesn't count DEBUG_INSN refs.
1884         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1885         for DEBUG_INSN refs.
1886
1887 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1888
1889         Partially revert:
1890
1891         2012-02-20  Richard Guenther  <rguenther@suse.de>
1892         PR tree-optimization/52298
1893         * tree-vect-stmts.c (vectorizable_load): Properly use
1894         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1895         outer loops.
1896
1897 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1898
1899         PR middle-end/51752
1900         * gimple.h (gimple_in_transaction): New.
1901         (gimple_set_in_transaction): New.
1902         (struct gimple_statement_base): Add in_transaction field.
1903         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1904         transaction loads.
1905         (tree_ssa_lim_initialize): Compute transaction bits.
1906         * tree.h (compute_transaction_bits): Protoize.
1907         * trans-mem.c (tm_region_init): Use the heap to store BB
1908         auxilliary data.
1909         (compute_transaction_bits): New.
1910
1911 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1912
1913         * gcc.c (display_help): Document --help=common and sort entries
1914         alphabetically.
1915
1916 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1917
1918         * doc/install.texi: Document check-$LANG specific shortcuts
1919
1920 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1921
1922         PR target/51534
1923         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1924         and vcgtu.
1925         * config/arm/arm_neon.h: Regenerate.
1926         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1927         (neon_vcgeu): New insn.
1928         (neon_vcgtu): Likewise.
1929         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1930         (ops): Unsigned comparison intrinsics call a different
1931         builtin.
1932
1933 2012-02-28  Richard Guenther  <rguenther@suse.de>
1934
1935         PR target/52407
1936         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1937         ordering for the VEC_CONCAT for two element vectors for
1938         V2SFmode, V2SImode and V2DImode.
1939
1940 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1941
1942         PR target/49448
1943         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1944         detecting big-endian triplets.
1945
1946 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1947
1948         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1949         mode if there is no type information available.
1950
1951 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1952
1953         PR tree-optimization/53207
1954         * doc/invoke.texi: Document as experimental and relying on graphite.
1955
1956 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1957
1958         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1959         of initializer to changes from r184614.
1960
1961 2012-02-28  Richard Guenther  <rguenther@suse.de>
1962
1963         PR tree-optimization/52395
1964         * tree-sra.c (build_ref_for_offset): Also look at the base
1965         TYPE_ALIGN when figuring out the alignment of the replacement.
1966
1967 2012-02-28  Richard Guenther  <rguenther@suse.de>
1968
1969         PR tree-optimization/52402
1970         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1971         mis-aligned types when creating the accesses at the call site.
1972
1973 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1974
1975         * config/avr/builtins.def: New file.
1976         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1977         * config/avr/avr.c (enum avr_builtin_id): Use it.
1978         (avr_init_builtins): Use it. And use avr_bdesc.
1979         (bdesc_1arg): Remove.
1980         (bdesc_2arg): Remove.
1981         (bdesc_3arg): Remove.
1982         (struct avr_builtin_description): Add field n_args.
1983         (avr_bdesc): New static variable using builtins.def.
1984         (avr_expand_builtin): Use it.
1985         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1986         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1987         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1988
1989 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1990
1991         PR target/52148
1992         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1993         match only one single hard register with respective hard reg rtx.
1994         (movmemx_<mode>): Ditto.
1995         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1996         insn anatomy of movmem[x]_<mode>.
1997         (avr_out_movmem): Same for printing assembler and operand usage.
1998
1999 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2000
2001         PR target/49868
2002         PR target/52261
2003         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2004         address spaces located outside of device flash.
2005
2006         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2007         (mcu_type_s): Add field n_flash.
2008         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2009         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2010         (AVR_MCU): Add N_FLASH argument.
2011         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2012         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2013         macro __FLASH<n> if that address space makes sense for the device.
2014         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2015         outside of target flash.
2016         (avr_asm_named_section): Ditto.
2017         (avr_asm_select_section): Ditto.
2018         (avr_addr_space_convert): Ditto.
2019         (avr_emit_movmemhi): Ditto.
2020         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2021         address space is outside of device flash.
2022         (avr_insert_attributes): Ditto.
2023         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2024         avr_current_arch->n_segments.
2025
2026 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2027
2028         PR target/52352
2029         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2030         TARGET_LP64.
2031         (*movabs<mode>_2): Likewise.
2032
2033 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2034
2035         PR target/52375
2036         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2037         s_register_operand in the test instead of REG_P.  Don't call
2038         gen_reg_rtx if it won't be used.
2039
2040         PR tree-optimization/52376
2041         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2042
2043 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2044
2045         * ifcvt.c (noce_get_condition): Check condition variable is not
2046         small_register_classes_for_mode_p before accepting.
2047
2048 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2049
2050         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2051
2052 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2053
2054         Revert:
2055         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2056         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2057         tuning parameters.
2058         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2059
2060 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2061
2062         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2063
2064 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2065
2066         * config/sh/predicates.md: Remove blank lines.
2067         * config/sh/sh.c: Fix typos in comments.
2068         * config/sh/constraints.md: Likewise.
2069         * config/sh/sh.md: Remove blank lines.
2070         Fix typos in comments.  Use ;; as comment characters.
2071
2072 2012-02-26  Walter Lee  <walt@tilera.com>
2073
2074         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2075         (replace_mov_pcrel_step2): Ditto.
2076
2077 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2078
2079         PR debug/52001
2080         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2081         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2082         and locs that reference values newer than the non-canonical value
2083         at hand.  Return the canonical value as a worst case.
2084         (memrefs_conflict_p): Walk canonical value's locs.
2085
2086         PR debug/52001
2087         * cselib.c (preserve_only_constants): Rename to...
2088         (preserve_constants_and_equivs): ... this.  Split out...
2089         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2090         of other preserved expressions too.
2091         (cselib_reset_table): Adjust.
2092         * var-tracking.c (reverse_op): Use canonical value to build
2093         reverse operation.
2094
2095 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2096
2097         * config/i386/i386.c (ix86_delegitimize_address): Handle
2098         UNSPEC_PCREL plus displacement.
2099
2100 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2101
2102         PR target/52261
2103         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2104         to test for unusedness in st X addressing.
2105
2106 2012-02-24  Richard Guenther  <rguenther@suse.de>
2107
2108         PR middle-end/52361
2109         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2110         (is_gimple_reg_type): Move inline ...
2111         * gimple.h (is_gimple_reg_type): ... here.
2112
2113 2012-02-24  Richard Guenther  <rguenther@suse.de>
2114
2115         PR middle-end/52361
2116         * passes.c (execute_function_todo): When verifying SSA form
2117         verify gimple form first.
2118         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2119
2120 2012-02-24  Richard Guenther  <rguenther@suse.de>
2121
2122         PR middle-end/52355
2123         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2124         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2125
2126 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2127
2128         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2129
2130 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2131
2132         * tree-phinodes.c (make_phi_node): Mark static.
2133         * tree-flow.h (make_phi_node): Remove extern decl.
2134         * doc/gimple.texi (make_phi_node): Remove documentation.
2135
2136 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2137
2138         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2139         * tree-ssa-sccvn.c (print_scc): Ditto.
2140
2141 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2142
2143         * doc/passes.texi (Full redundancy elimination): Fix typo.
2144
2145 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2146
2147         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2148
2149 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2150
2151         PR bootstrap/52287
2152         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2153
2154 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2155
2156         PR c/52290
2157         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2158
2159 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2160
2161         * config/avr/avr.md (code_stdname): Add ior, xor.
2162         (xior): New code iterator.
2163         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2164         (*<code_stdname><mode>qi.byte1-3): Ditto.
2165
2166 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2167
2168         PR tree-optimization/52019
2169         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2170         CLOBBER stmts.
2171
2172 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2173
2174         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2175         HAVE_INITFINI_ARRAY to work around namespace pollution in
2176         certain versions of newlib system headers.
2177         * config.in: Regenerate.
2178         * configure: Regenerate.
2179         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2180         instead of HAVE_INITFINI_ARRAY.
2181
2182 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2183
2184         PR target/52330
2185         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2186         is not offsettable memory reference.
2187
2188 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2189
2190         PR target/18145
2191         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2192         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2193
2194 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2195
2196         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2197         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2198
2199 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2200
2201         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2202         library on Solaris 8 even without TLS support.
2203         * configure: Regenerate.
2204
2205 2012-02-22  Richard Guenther  <rguenther@suse.de>
2206
2207         PR middle-end/52329
2208         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2209         for GIMPLE_DEBUG stmts.
2210
2211 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2212
2213         PR middle-end/51782
2214         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2215         according to the base object.
2216
2217 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2218
2219         PR rtl-optimization/50063
2220         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2221         and 2 (8-bit SP) in operand 2.
2222         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2223         setup to use movhi_sp_r instead of vanilla move to write SP.
2224         Adjust REG_CFA notes to superseed unspec.
2225         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2226         of vanilla move.
2227         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2228         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2229         irq_state 1 (IRQ known to be on) here.
2230
2231 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2232
2233         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2234         WORDS_BIG_ENDIAN.
2235         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2236         assign_hard_reg): Likewise.
2237
2238 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2239
2240         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2241
2242 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2243
2244         * config/avr/avr.md
2245         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2246         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2247
2248 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2249
2250         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2251         prototype from here to...
2252         * config/avr/avr.h: ...here.
2253
2254 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2255
2256         PR target/52294
2257         * thumb2.md (thumb2_shiftsi3_short): Split register and
2258         immediate shifts.  For register shifts tie operands 0 and 1.
2259         (peephole2 for above): Check that register-controlled shifts
2260         have suitably tied operands.
2261
2262 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2263
2264         PR target/52137
2265         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2266         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2267         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2268         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2269         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2270         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2271         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2272         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2273         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2274         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2275         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2276         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2277         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2278         bdver1_ssevector_avx256_unaligned_load,
2279         bdver1_ssevector_sse128_unaligned_load,
2280         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2281         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2282         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2283         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2284         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2285         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2286         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2287         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2288         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2289         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2290         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2291         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2292         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2293         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2294         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2295         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2296         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2297         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2298         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2299         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2300         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2301         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2302         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2303         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2304         bdver1_ssediv_double_load, bdver1_ssediv_double,
2305         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2306         Add "bdver2" attribute.
2307
2308 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2309
2310         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2311         default if possible and not specified otherwise.
2312
2313 2012-02-21  Richard Guenther  <rguenther@suse.de>
2314
2315         PR middle-end/52314
2316         * gimplify.c (create_tmp_from_val): Use the main variant type
2317         for the type of the temporary we create.
2318
2319 2012-02-21  Richard Guenther  <rguenther@suse.de>
2320
2321         PR tree-optimization/52324
2322         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2323         do not gimplify a MEM_REF address operand if it is already
2324         in suitable form.
2325
2326 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2327
2328         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2329         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2330
2331 2012-02-21  Richard Guenther  <rguenther@suse.de>
2332
2333         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2334         nested_in_vect_loop.
2335
2336 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2337
2338         PR tree-optimization/52318
2339         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2340         vdef also to non-pure/const call stmts in the sequence.
2341
2342 2012-02-20  David S. Miller  <davem@davemloft.net>
2343
2344         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2345         don't use the "rd %pc" instruction on v9 for PIC register loads.
2346
2347 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2348
2349         PR middle-end/52141
2350         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2351         in a transaction safe function.
2352
2353 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2354
2355         PR target/52238
2356         * stor-layout.c (place_field): Handle desired_align for
2357         ms-bitfields, too.
2358
2359 2012-02-20  Richard Guenther  <rguenther@suse.de>
2360
2361         PR tree-optimization/52298
2362         * tree-vect-stmts.c (vectorizable_store): Properly use
2363         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2364         outer loops.
2365         (vectorizable_load): Likewise.
2366         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2367         Access DR_STEP after ensuring it is not NULL.
2368
2369 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2370
2371         PR tree-optimization/52286
2372         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2373         optimization use double_int_to_tree instead of build_int_cst_wide,
2374         rewrite to use double_int vars.
2375
2376 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2377
2378         PR target/50166
2379         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2380         Define _start.
2381         Remove -e 0 from $gcc_cv_ld invocation.
2382         Only use __GLIBC_PREREQ if defined.
2383         Enable on Solaris since Solaris 8 patch.
2384         (gcc_SUN_LD_VERSION): New macro.
2385         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2386         gcc_SUN_LD_VERSION for version number format.
2387         * configure: Regenerate.
2388         * varasm.c (get_elf_initfini_array_priority_section): Set
2389         SECTION_NOTYPE for non-default priority.
2390         Use get_section instead of get_unnamed_section to emit
2391         .init_array/.fini_array with default priority.
2392
2393 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2394
2395         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2396         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2397         (mips_start_unique_function, mips_output_mips16_rdhwr)
2398         (mips_code_end): New functions.
2399         (TARGET_ASM_CODE_END): Define.
2400
2401 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2402
2403         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2404         to stubs with non-sibling calls.
2405
2406 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2407
2408         * doc/invoke.texi (-fira-* options): Copy-edit.
2409         (ira-* parameters): Copy-edit.
2410
2411 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2412
2413         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2414         GCC coding conventions.
2415
2416 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2417
2418         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2419         when used as adjectives.
2420
2421 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2422
2423         * doc/invoke.texi: Clean up "that"/"which" confusion.
2424
2425 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2426
2427         * system.h: Poison SMALL_REGISTER_CLASSES
2428         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2429         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2430
2431 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2432
2433         PR tree-optimization/52285
2434         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2435         when deciding if a call is a tail call or tail recursion.
2436
2437 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2438
2439         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2440         interger-constant displacement for UNSPEC_PCREL.
2441
2442 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2443
2444         PR rtl-optimization/52208
2445         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2446         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2447
2448         PR tree-optimization/52255
2449         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2450         loop->header has virtual PHI, but exit_e->dest doesn't, add
2451         virtual PHI to exit_e->dest and adjust all uses after the loop.
2452
2453         PR debug/52260
2454         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2455         children with clone_tree_hash, not after it.
2456
2457 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2458
2459         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2460         extended identifiers.
2461
2462 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2463
2464         PR middle-end/51929
2465         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2466         a same_body_alias, also test whether e->callee isn't a former
2467         or current clone of the decl this is a same body alias of.
2468
2469         PR translation/52264
2470         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2471
2472 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2473
2474         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2475
2476 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2477
2478         PR target/52199
2479         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2480         force_reg instead of copy_to_reg for better optimization.  Force
2481         non-register or memory operands into a register.
2482
2483 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2484
2485         * extend.texi: Reserve upper bits of memory model for future use.
2486
2487 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2488             Anatoly Sokolov <aesok@post.ru>
2489             Eric Weddington <eric.weddington@atmel.com>
2490
2491         PR target/52261
2492         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2493         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2494         Rewrite initializers for .macro.
2495         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2496         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2497         atxmega32d4, atxmega32x1.
2498         avrxmega4: atxmega64a3, atxmega64d3.
2499         avrxmega5: atxmega64a1, atxmega64a1u.
2500         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2501         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2502         avrxmega7: atxmega128a1, atxmega128a1u.
2503         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2504         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2505         (struct base_arch_s): Rename reserved to xmega_p.
2506         Rename reserved2 to have_rampd.
2507         (AVR_XMEGA): New define.
2508         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2509         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2510         * config/avr/predicates.md (io_address_operand): Take into
2511         account SFR offset.
2512         (low_io_address_operand): Ditto.
2513         (high_io_address_operand): Ditto.
2514         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2515         (enabled, movhi_sp_r): Use them.
2516         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2517         cpp_define_formatted to built-in define __AVR_ARCH__.
2518         (__AVR_XMEGA__): New built-in define.
2519         (__AVR_HAVE_RAMPD__): New built-in define.
2520         (__AVR_HAVE_RAMPX__): New built-in define.
2521         (__AVR_HAVE_RAMPY__): New built-in define.
2522         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2523
2524         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2525         (avr_option_override): Initialize them.
2526         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2527         (avr_init_expanders): Initialize them. No more block several calls.
2528         (emit_push_sfr): New static function.
2529         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2530         Handle AVR_XMEGA.
2531         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2532         (avr_print_operand): Print addreeses as symbols for
2533         RAMPX, RAMPY, RAMPD, CCP.
2534         (output_movhi): Handle AVR_XMEGA when writing to SP.
2535         (avr_out_movhi_mr_r_xmega): New static function.
2536         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2537         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2538         __RAMPD__,  __CCP__ as needed.
2539
2540         * config/avr/multilib.h: Regenerate.
2541         * config/avr/t-multilib: Regenerate.
2542         * config/avr/avr-tables.opt: Regenerate.
2543
2544 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2545
2546         PR tree-optimization/50561
2547         * graphite-flattening.c (lst_project_loop): Do not
2548         remove old scattering dimensions after flattening.
2549         (lst_do_flatten): Likewise.
2550
2551 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2552
2553         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2554         __builtin_avr_map8, __builtin_avr_map16.
2555         Document __builtin_avr_insert_bits.
2556
2557         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2558         (insert_bits): New insn.
2559         (adjust_len.map_bits): Rename to insert_bits.
2560         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2561         * avr-protos.h (avr_out_map_bits): Remove.
2562         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2563         * config/avr/constraints.md (Cxf,C0f): New.
2564         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2565         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2566         New built-in define __BUILTIN_AVR_INSERT_BITS.
2567         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2568         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2569         (avr_move_bits): Rewrite.
2570         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2571         functions.
2572         (avr_map_op_t): New typedef.
2573         (avr_map_op): New static variable.
2574         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2575         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2576         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2577         (bdesc_3arg, avr_expand_triop_builtin): New.
2578         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2579         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2580         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2581         (avr_map_equal_p, avr_map_sig_p): Remove.
2582         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2583         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2584         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2585         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2586         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2587         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2588
2589 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2590
2591         * config/c6x/c6x.md (reserve_cycles): New attribute.
2592         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2593         don't reserve functional units after the branch occurs.
2594
2595 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2596
2597         PR middle-end/52142
2598         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2599         functions into non-tm_pure functions.
2600
2601 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2602
2603         PR lto/52178
2604         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2605         (iterative_hash_canonical_type): Likewise.
2606         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2607         the dead edges.
2608
2609 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2610
2611         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2612         sched-group insn, it either remains alone or the entire list is pruned.
2613
2614 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2615
2616         * doc/install.texi (Prerequisites): Fix grammar.
2617         (Configuration): Likewise.
2618
2619 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2620
2621         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2622         MPC as part of GCC before describing configuring with --with-gmp etc.
2623         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2624         sources are present.
2625
2626 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2627
2628         PR debug/51950
2629         * dwarf2out.c (clone_tree_hash): New function.
2630         (copy_decls_walk): Use it instead of clone_tree.
2631
2632 2012-02-14  Richard Guenther  <rguenther@suse.de>
2633
2634         PR tree-optimization/52244
2635         PR tree-optimization/51528
2636         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2637         replacements for integral types.
2638
2639 2012-02-14  Walter Lee  <walt@tilera.com>
2640
2641         * config.gcc: Handle tilegx and tilepro.
2642         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2643         tilegx and tilepro.
2644         Add HAVE_AS_TLS check for tilegx and tilepro.
2645         * configure: Regenerate.
2646         * doc/contrib.texi: Add Mat Hostetter and self.
2647         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2648         Document instruction intrinsics and network accessing intrinsics.
2649         (TILEPro Built-in Functions): New node.  Document instruction
2650         intrinsics and network accessing intrinsics.
2651         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2652         (Specific, tilepro-*-linux*): Likewise.
2653         * doc/invoke.texi (TILE-Gx Options): New section.
2654         (TILEPro Options): New section.
2655         * doc/md.texi (TILE-Gx): New section.
2656         (TILEPro): New section.
2657         * common/config/tilegx/tilegx-common.c: New file.
2658         * common/config/tilepro/tilepro-common.c: New file.
2659         * config/tilegx/constraints.md: New file.
2660         * config/tilegx/linux.h: New file.
2661         * config/tilegx/mul-tables.c: New file.
2662         * config/tilegx/predicates.md: New file.
2663         * config/tilegx/sync.md: New file.
2664         * config/tilegx/t-tilegx: New file.
2665         * config/tilegx/tilegx-builtins.h: New file.
2666         * config/tilegx/tilegx-c.c: New file.
2667         * config/tilegx/tilegx-generic.md: New file.
2668         * config/tilegx/tilegx-modes.def: New file.
2669         * config/tilegx/tilegx-multiply.h: New file.
2670         * config/tilegx/tilegx-protos.h: New file.
2671         * config/tilegx/tilegx.c: New file.
2672         * config/tilegx/tilegx.h: New file.
2673         * config/tilegx/tilegx.md: New file.
2674         * config/tilegx/tilegx.opt: New file.
2675         * config/tilepro/constraints.md: New file.
2676         * config/tilepro/gen-mul-tables.cc: New file.
2677         * config/tilepro/linux.h: New file.
2678         * config/tilepro/mul-tables.c: New file.
2679         * config/tilepro/predicates.md: New file.
2680         * config/tilepro/t-tilepro: New file.
2681         * config/tilepro/tilepro-builtins.h: New file.
2682         * config/tilepro/tilepro-c.c: New file.
2683         * config/tilepro/tilepro-generic.md: New file.
2684         * config/tilepro/tilepro-modes.def: New file.
2685         * config/tilepro/tilepro-multiply.h: New file.
2686         * config/tilepro/tilepro-protos.h: New file.
2687         * config/tilepro/tilepro.c: New file.
2688         * config/tilepro/tilepro.h: New file.
2689         * config/tilepro/tilepro.md: New file.
2690         * config/tilepro/tilepro.opt: New file.
2691
2692 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2693
2694         PR tree-optimization/52210
2695         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2696         vect_model_simple_cost with two entry vect_def_type array instead
2697         of an address of dt.
2698
2699 2012-02-14  Richard Guenther  <rguenther@suse.de>
2700
2701         PR lto/52178
2702         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2703         Do not stream DECL_QUALIFIER.
2704         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2705         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2706         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2707
2708 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2709
2710         PR c/52181
2711         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2712         newdecl.
2713
2714 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR bootstrap/52172
2717         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2718         * cselib.c (cselib_subst_to_values_from_insn): New function.
2719         * sched-deps.c (add_insn_mem_dependence,
2720         sched_analyze_1, sched_analyze_2): Use it.
2721
2722 2012-02-13  Jan Hubicka  <jh@suse.cz>
2723
2724         PR middle-end/52214
2725         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2726
2727 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2728
2729         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2730         (GTM_SELF_SPECS): Define if not already defined.
2731         (driver_self_specs): Add GTM_SELF_SPECS.
2732         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2733         (GTM_SELF_SPECS): Define.
2734         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2735         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2736
2737 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2738
2739         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2740         away if seen.
2741
2742         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2743
2744         PR middle-end/52230
2745         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2746         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2747
2748 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2749
2750         PR c/52190
2751         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2752
2753 2012-02-13  Richard Guenther  <rguenther@suse.de>
2754
2755         PR translation/52211
2756         * passes.c (enable_disable_pass): Fix typo.
2757
2758 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2759
2760         PR middle-end/52209
2761         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2762         XOR for reduce_bit_field if type is unsigned.
2763
2764 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2765
2766         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2767         disallow changes from SFmode to mode with different size in FP regs.
2768
2769 2012-02-12  Robert Millan  <rmh@gnu.org>
2770             Gerald Pfeifer <gerald@pfeifer.com>
2771
2772         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2773         Tweak comment.
2774
2775 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2776
2777         PR rtl-optimization/52175
2778         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2779         to frame-related instructions.
2780
2781 2012-02-10  Jason Merrill  <jason@redhat.com>
2782
2783         PR c++/51910
2784         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2785         (demangle_new_symbols): Fill it.
2786         (scan_linker_output): Walk it.
2787         (start_tweaking): Split out from scan_linker_output.
2788         (maybe_tweak): Update sym->chosen.
2789         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2790
2791 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR debug/52132
2794         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2795
2796 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2797
2798         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2799         having the same mode as previous compare.
2800
2801 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2802
2803         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2804         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2805         (nonlocal_goto_internal): Likewise.
2806         (nonlocal_goto): Emit a use and an indirect jump directly.
2807
2808 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2809
2810         PR c/52190
2811         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2812         __atomic_{is,always}_lock_free.
2813
2814 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2815
2816         PR target/52146
2817         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2818         negative constant address for x32.
2819
2820 2012-02-10  Richard Henderson  <rth@redhat.com>
2821
2822         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2823         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2824         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2825
2826 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2827             Ira Rosen  <irar@il.ibm.com>
2828
2829         PR tree-optimization/50031
2830         * targhooks.c (default_builtin_vectorization_cost): Handle
2831         vec_promote_demote.
2832         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2833         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2834         all types of reduction and pattern statements.
2835         (vect_estimate_min_profitable_iters): Likewise.
2836         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2837         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2838         for explicit realigns.
2839         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2840         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2841         vec_promote_demote.
2842         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2843         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2844         vec_perm for VSX and handle vec_promote_demote.
2845
2846 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2847
2848         PR middle-end/52177
2849         * builtins.c (fold_builtin_atomic_always_lock_free,
2850         expand_builtin_atomic_always_lock_free,
2851         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2852         Return and/or test boolean_true_node/boolean_false_node instead of
2853         integer_one_node/integer_zero_node.
2854
2855 2012-02-10  Jan Hubicka  <jh@suse.cz>
2856
2857         PR middle-end/48600
2858         * predict.c (predict_paths_for_bb): Prevent looping.
2859         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2860
2861 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2862
2863         * config/arm/arm.c (output_move_double): In one case properly
2864         count number of instructions that will be emitted.
2865
2866 2012-02-10  Richard Guenther  <rguenther@suse.de>
2867
2868         PR translation/52193
2869         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2870
2871 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2872
2873         PR middle-end/52140
2874         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2875
2876 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR debug/52165
2879         * var-tracking.c (emit_note_insn_var_location): If
2880         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2881         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2882         non-NOTE_DURING_CALL_P insn.
2883
2884 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2885
2886         PR middle-end/51867
2887         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2888
2889 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2890
2891         PR driver/48524
2892         * gcc.c (switch_matches) Support switches with separated form,
2893         -D and -U.
2894
2895 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2896
2897         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2898         (SP_ADDR): Ditto.
2899         (RAMPZ_ADDR): Ditto.
2900         * config/avr/avr.c (avr_addr_t): New typedef.
2901         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2902         (avr_init_expanders): Initialize it.
2903         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2904         SREG_ADDR.
2905         (expand_epilogue): Ditto.
2906         (avr_print_operand): Ditto.
2907         (avr_file_start): Ditto.
2908         (avr_emit_movmemhi): Ditto.
2909
2910 2012-02-08  Richard Guenther  <rguenther@suse.de>
2911
2912         PR tree-optimization/46886
2913         * tree-flow.h (do_while_loop_p): Declare.
2914         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2915         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2916
2917 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2918
2919         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2920         always succeed for integers larger than a native word.
2921
2922 2012-02-08  Richard Guenther  <rguenther@suse.de>
2923
2924         PR rtl-optimization/52170
2925         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2926         properly handle integer vector modes.
2927
2928 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2929
2930         PR gcov-profile/52150
2931         * coverage.c: Include target.h.
2932         (build_var): Call targetm.strip_name_encoding on the assembler name.
2933         Change one _ into . or $ if the target allows it.
2934         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2935
2936         PR rtl-optimization/52139
2937         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2938         is a BARRIER after emit_insn_after_noloc, move BB_END
2939         to the last non-BARRIER insn before it.
2940
2941 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2942
2943         PR middle-end/24306
2944         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2945         (mips_gimplify_va_arg_expr): Call it instead of
2946         std_gimplify_va_arg_expr.
2947
2948 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2949
2950         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2951         message for -mno-pointers-to-nested-function.
2952
2953 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2954
2955         PR middle-end/51994
2956         * expr.c (get_inner_reference): If there is an offset, add a negative
2957         bit position to it (if any).
2958
2959 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2960
2961         PR rtl-optimization/52060
2962         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2963         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2964         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2965         and/or i0src_copy2 when needed.
2966
2967 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2968
2969         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2970         or LTOPLUGINSONAME if have_c.
2971
2972         * config/freebsd-spec.h: Add comment about what macros can be defined
2973         in this header.
2974         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2975         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2976         here instead.
2977
2978 2012-02-07  Richard Guenther  <rguenther@suse.de>
2979
2980         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2981         newline in -alias dumps.
2982
2983 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2984             Dave Korn  <dave.korn.cygwin@gmail.com>
2985
2986         PR target/40068
2987         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2988         Take care that typinfo gets dllexport-attribute.
2989
2990 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2991
2992         PR middle-end/52074
2993         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2994         if modifier < EXPAND_SUM call force_operand on the result.
2995
2996 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2997
2998         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2999         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3000         present.
3001         (epiphany_function_type): Replace types for specific interrupts with
3002         EPIPHANY_FUNCTION_INTERRUPT.
3003         (EPIPHANY_INTERRUPT_P): Update.
3004         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3005         New static function.
3006         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3007         <disinterrupt>: Affects type identity.
3008         (epiphany_handle_interrupt_attribute): Handle variable number of
3009         arguments.
3010         (epiphany_compute_function_type): Update for new
3011         epiphany_function_type definition.
3012         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3013         handlers with a longcall forwarder.
3014         (epiphany_start_function): Handle multiple interrupt arguments and/or
3015         forwarder_section attribute.
3016
3017         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3018         libgloss.
3019
3020 2012-02-07  Alan Modra  <amodra@gmail.com>
3021
3022         PR target/52107
3023         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3024         subregs of TFmode.
3025
3026 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3027
3028         PR tree-optimization/50969
3029         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3030         use vec_perm rather than vector_stmt.
3031         (vect_model_load_cost): Likewise.
3032         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3033         vec_perm to be the same as other vector statements.
3034         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3035         cost of vec_perm for TARGET_VSX.
3036
3037 2012-02-06  Richard Guenther  <rguenther@suse.de>
3038
3039         PR tree-optimization/52115
3040         * tree-sra.c (access_has_replacements_p): New function.
3041         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3042
3043 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3044
3045         PR middle-end/52047
3046         * trans-mem.c (expand_call_tm): Add an assertion.
3047         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3048         functions.
3049
3050 2012-02-06  Richard Guenther  <rguenther@suse.de>
3051
3052         PR tree-optimization/50955
3053         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3054         raise cost of expressions that replace an address with an
3055         expression based on a different pointer.
3056
3057 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3058
3059         PR target/52129
3060         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3061         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3062
3063 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3064
3065         PR c++/48680
3066         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3067         -Weffc++ and specify guidelines come from second edition.
3068
3069 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3070
3071         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3072         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3073         (call_direct_split, call_value_split, call_value_internal_direct)
3074         (call_value_direct_split, call_value_multiple_split): Use jal and
3075         jal_macro attributes.
3076
3077 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3078
3079         * reload1.c (reload_regs_reach_end_p): Replace with...
3080         (reload_reg_rtx_reaches_end_p): ...this function.
3081         (new_spill_reg_store): Update commentary.
3082         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3083         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3084         before setting new_spill_reg_store.
3085         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3086         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3087         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3088         for non-spill reload registers.
3089
3090 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3091
3092         PR tree-optimization/52091
3093         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3094         (vect_is_simple_use_1): Likewise.
3095         * tree-vect-loop.c (vectorizable_reduction): Update calls
3096         to vect_is_simple_use_1 and vect_is_simple_use.
3097         (vectorizable_live_operation): Likewise.
3098         * tree-vect-patterns.c (widened_name_p,
3099         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3100         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3101         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3102         vectorizable_shift,vectorizable_operation, vectorizable_store,
3103         vectorizable_load): Likewise.
3104         (vect_is_simple_cond): Add an argument, pass it to
3105         vect_is_simple_use_1.
3106         (vectorizable_condition): Update calls to vect_is_simple_cond,
3107         vect_is_simple_use.
3108         (vect_is_simple_use): Add an argument, the statement in which
3109         OPERAND is used.  Check that if OPERAND's def stmt is a double
3110         reduction phi node, the use is a phi node too.
3111         (vect_is_simple_use_1): Add an argument, pass it to
3112         vect_is_simple_use.
3113         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3114         to vect_is_simple_use.
3115
3116 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3117
3118         PR rtl-optimization/52095
3119         * modulo-sched.c (dump_insn_locator): New function.
3120         (loop_canon_p, sms_schedule): Use it.
3121
3122         PR rtl-optimization/52113
3123         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3124         even for decomposable shift/zext insns.
3125
3126 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3127             Zdenek Dvorak  <ook@ucw.cz>
3128
3129         PR rtl-optimization/52092
3130         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3131         on get_iv_value result.
3132
3133 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3134
3135         PR middle-end/47982
3136         PR middle-end/43967
3137         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3138
3139 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3140
3141         PR middle-end/48071
3142         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3143
3144 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3145
3146         PR rtl-optimization/49800
3147         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3148         (sched_finish): Call regstat_free_n_sets_and_refs.
3149
3150 2012-02-02  Jia Liu  <proljc@gmail.com>
3151
3152         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3153         than operand 2.
3154
3155 2012-02-02  Jan Hubicka  <jh@suse.cz>
3156             Tom de Vries  <tom@codesourcery.com>
3157
3158         PR middle-end/51998
3159         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3160         * varpool.c (varpool_analyze_pending_decls): Likewise.
3161
3162 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3163             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3164
3165         * config.gcc: Add cr16-* support.
3166
3167         * doc/extend.texi: Document cr16 extensions.
3168         * doc/install.texi: Document cr16 install.
3169         * doc/invoke.texi: Document cr16 options.
3170         * doc/md.texi: Document cr16 constraints.
3171
3172         * common/config/cr16/cr16-common.c: New file.
3173         * config/cr16/cr16.c: New file.
3174         * config/cr16/cr16.h: New file.
3175         * config/cr16/cr16.md: New file.
3176         * config/cr16/cr16.opt: New file.
3177         * config/cr16/cr16-protos.h: New file.
3178         * config/cr16/predicates.md: New file.
3179         * config/cr16/constraints.md: New file.
3180         * config/cr16/t-cr16: New file.
3181
3182 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3183
3184         PR target/52086
3185         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3186         that operands[2] is either immediate, or q_regs_operand.
3187
3188         PR tree-optimization/52073
3189         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3190         a pattern stmt for pattern uses, ignore uses outside of the loop.
3191
3192 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3193
3194         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3195         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3196         (OUT_AS1, OUT_AS2): Remove.
3197
3198 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3199
3200         PR rtl-optimization/51374
3201         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3202         to cross other volatile_refs_p insns.
3203
3204 2012-02-01  Richard Guenther  <rguenther@suse.de>
3205
3206         * doc/invoke.texi (fno-inline): Clarify documentation.
3207         (finline-small-functions): Likewise.
3208         (finline-functions): Likewise.
3209         * common.opt (finline): Adjust comment and documentation.
3210         (finline-small-functions): Clarify documentation.
3211         (finline-functions): Likewise.
3212         (finline-functions-called-once): Likewise.
3213
3214 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3215
3216         * c-typeck.c (composite_type): Keep mode for pointers.
3217
3218 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3219
3220         * function.h (regno_reg_rtx): Adjust comment.
3221         * reginfo.c (init_reg_modes_target): Only use the previous mode
3222         if it fits within one register.  Remove MIPS comment.
3223
3224 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3225
3226         PR bootstrap/52058
3227         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3228
3229 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3230
3231         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3232         to srak instruction.
3233
3234 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3235
3236         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3237
3238 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3239
3240         PR bootstrap/52041
3241         PR bootstrap/52039
3242         PR target/51974
3243         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3244
3245 2012-01-31  Richard Guenther  <rguenther@suse.de>
3246
3247         PR tree-optimization/51528
3248         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3249         assigns.
3250
3251 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3252
3253         PR bootstrap/52041
3254         PR bootstrap/52039
3255         PR target/51974
3256         * ree.c (add_removable_extension): Change def_map argument
3257         to unsigned *, store in def_map 1 + offset into *insn_list vector
3258         instead of pointers into the vector.
3259         (find_removable_extensions): Adjust caller.
3260
3261 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3262
3263         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3264         Transform all "* quoted-c-code" to { c-code }.
3265         Remove redundant test for "optimize" in combine patterns.
3266         Move (include "avr-dimode.md") to end of file.
3267
3268 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3269
3270         PR target/51835
3271         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3272         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3273
3274 2012-01-30  Richard Guenther  <rguenther@suse.de>
3275
3276         PR tree-optimization/52028
3277         * tree-loop-distribution.c (ldist_gen): Properly update
3278         virtual SSA form.
3279
3280 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR debug/52027
3283         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3284         set_cur_line_info_table if not emitting debug info.
3285
3286         PR tree-optimization/52046
3287         * tree-vect-patterns.c (check_bool_pattern): Give up if
3288         a comparison could throw.
3289
3290         PR debug/52048
3291         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3292
3293 2012-01-30  Richard Guenther  <rguenther@suse.de>
3294
3295         PR tree-optimization/52045
3296         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3297         SSA form if cfgcleanup did anything.
3298
3299 2012-01-30  Richard Guenther  <rguenther@suse.de>
3300
3301         PR tree-optimization/52045
3302         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3303         before computing final todo.
3304
3305 2012-01-30  Richard Guenther  <rguenther@suse.de>
3306
3307         PR tree-optimization/51528
3308         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3309         for PR51528 fix.
3310
3311 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3312
3313         * df-problems.c (df_kill_notes): Check that the use refers
3314         to the note under examination.
3315
3316 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3317
3318         PR target/51920
3319         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3320         parameter and use short-lived pseudos.
3321         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3322         (sparc_expand_vector_init): Const-ify local variables and adjust
3323         calls to above functions.
3324
3325 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3326
3327         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3328
3329 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3330
3331         * doc/invoke.texi: Make usage of "compile time" and
3332         "run time"/"runtime" consistent throughout the file.
3333
3334 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3335
3336         * config/alpha/alpha.c (alpha_option_override): Default to
3337         full IEEE compliance mode for Go language.
3338
3339 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3340
3341         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3342         (LINK_SSP_SPEC): Define.
3343
3344 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3345
3346         PR target/51871
3347         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3348         stubs.
3349
3350 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3351
3352         * doc/invoke.texi: Correct hyphenation of "floating point",
3353         "double precision", and related terminology throughout the file.
3354
3355 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3356
3357         PR target/52006
3358         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3359         arm_general_register_operand predicate for operand 2 instead of
3360         register_operand.
3361
3362 2012-01-27  Ian Lance Taylor  <iant@google.com>
3363
3364         PR go/47656
3365         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3366         * builtins.c (expand_builtin_init_trampoline): Add onstack
3367         parameter.  Change caller.
3368         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3369         * tree.c (build_common_builtin_nodes): Declare
3370         __builtin_init_heap_trampoline.
3371
3372 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3373
3374         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3375         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3376         * config/avr/avr.c: Ditto.
3377         (avr_regnames): Remove because unused.
3378         * config/avr/avr.md (*cpse.ne): New peephole.
3379         (*cpse.eq): New peephole from former cpse peepholes.
3380
3381 2012-01-27  Michael Eager  <eager@eagercon.com>
3382
3383         * config/microblaze.c (microblaze_emit_compare): Correct
3384         test after pcmp instruction.
3385
3386 2012-01-27  Richard Guenther  <rguenther@suse.de>
3387
3388         PR tree-optimization/52020
3389         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3390
3391 2012-01-27  Richard Guenther  <rguenther@suse.de>
3392
3393         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3394         function non-const/pure.
3395
3396 2012-01-27  Richard Guenther  <rguenther@suse.de>
3397
3398         PR tree-optimization/50444
3399         * tree-sra.c (build_ref_for_offset): Properly adjust the
3400         MEM_REF type for unaligned accesses.
3401
3402 2012-01-27  Richard Guenther  <rguenther@suse.de>
3403
3404         PR tree-optimization/50444
3405         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3406         (expand_assignment): Use it.  Properly handle misaligned
3407         bases when expanding stores to component references.
3408         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3409         refactor that case.
3410
3411 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3412
3413         PR middle-end/51389
3414         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3415         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3416         * tree-data-ref.c (find_data_references_in_loop): Make static.
3417         (compute_all_dependences): Change return type to bool.  Bail out
3418         for too many datarefs in a loop.  Move the hunk resetting the data
3419         dependences vector from ...
3420         (compute_data_dependences_for_loop): ... here.  Account for
3421         compute_all_dependences returning false.
3422         (compute_data_dependences_for_bb): Likewise.
3423         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3424         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3425
3426 2012-01-27  Richard Guenther  <rguenther@suse.de>
3427
3428         PR middle-end/51959
3429         * expr.c (store_field): Use the alias-set of the scratch memory
3430         for storing to it.
3431
3432 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3433
3434         PR tree-optimization/51990
3435         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3436         WITH_SIZE_EXPR.
3437         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3438
3439 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3440
3441         PR debug/52001
3442         * var-tracking.c (reverse_op): Don't add any reverse operation
3443         if V already has any constant locations.
3444
3445 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3446
3447         * doc/invoke.texi: Correct usage of "command line" (noun)
3448         vs "command-line" (adjective) throughout.
3449
3450 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3451
3452         * doc/invoke.texi (Language Independent Options): Move
3453         -Wcoverage-mismatch blurb from here....
3454         (Warning Options): ...to here.
3455
3456 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3457
3458         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3459         Set rs6000_always_hint to false for 476.
3460
3461 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3462
3463         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3464           system root.
3465         * incpath.c (add_standard_paths): Likewise.
3466
3467 2012-01-27  Richard Henderson  <rth@redhat.com>
3468
3469         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3470         * config/m68k/sync.md (atomic_test_and_set): Rename from
3471         sync_test_and_setqi and adjust the operands.
3472         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3473         and unconditionally enable.
3474
3475 2012-01-27  Richard Henderson  <rth@redhat.com>
3476
3477         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3478         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3479         (ldstub): Rename from ldstubqi.
3480         (ldstub<I24MODE>): Remove.
3481
3482 2012-01-27  Richard Henderson  <rth@redhat.com>
3483
3484         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3485         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3486         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3487         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3488         * doc/tm.texi: Rebuild.
3489
3490 2012-01-27  Richard Henderson  <rth@redhat.com>
3491
3492         * optabs.c (gen_atomic_test_and_set): Remove default.
3493         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3494
3495 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3496
3497         PR rtl-optimization/51978
3498         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3499         (combine_reaching_defs): Likewise.
3500         (struct re_info): Remove.
3501         (add_removable_extension): Remove x and data arguments,
3502         add insn, insn_list and def_map.  Use the arguments directly
3503         instead of using struct re_info.
3504         (find_removable_extensions): Don't call add_removable_extension
3505         through note_stores, instead just call it with single_set
3506         result if non-NULL.
3507         (find_and_remove_re): Pass curr_cand->expr instead of
3508         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3509
3510 2012-01-26  Michael Matz  <matz@suse.de>
3511
3512         PR tree-optimization/46590
3513         * cfgexpand.c: Revert last change (r183305).
3514         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3515         regs.
3516         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3517         checking for emptiness.
3518
3519 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3520
3521         PR middle-end/51895
3522         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3523         non-addressable non-BLKmode base correctly.
3524
3525 2012-01-26  Michael Matz  <matz@suse.de>
3526
3527         PR tree-optimization/48794
3528         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3529         regions referenced from RESX/EH_DISPATCH.
3530
3531 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3532
3533         * config/s390/s390.h: Make BRANCH_COST an option.
3534         * config/s390/s390.opt: New option -mbranch-cost.
3535
3536 2012-01-26  Richard Henderson  <rth@redhat.com>
3537
3538         Revert 2012-01-24 change: