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* tree-eh.c (lower_try_finally_switch): Really put the location of the
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * tree-eh.c (lower_try_finally_switch): Really put the location of the
4         last statement of the finally block onto the switch.
5
6 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
7
8         * configure: Regenerate.
9         Backport from mainline.
10         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
11         * config.gcc (target_type_format_char): New. Document it. Set it for
12         arm*-*-* .
13         * configure.ac (gnu_unique_option): Use target_type_format_char
14         in test.  Comment rationale.
15
16 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
17
18         Backport from mainline.
19         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
20         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
21
22 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
23
24         Backport from 2012-06-28 mainline r189049
25
26         PR 53595
27         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
28         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
29         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
30         avr_hard_regno_call_part_clobbered.
31
32 2012-06-28  Richard Guenther  <rguenther@suse.de>
33
34         PR middle-end/53790
35         * expr.c (expand_expr_real_1): Verify if the type is complete
36         before inspecting its size.
37
38 2012-06-27  Nick Clifton  <nickc@redhat.com>
39
40         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
41         input operand.
42
43 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
44
45         PR debug/53682
46         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
47
48 2012-06-26  Nick Clifton  <nickc@redhat.com>
49
50         * config/rx/rx.md (simple_return): Use the simple_return rtx.
51
52 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
53
54         PR target/53759
55         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
56         of x x x in the vmovlps load alternative.
57
58 2012-06-22  Richard Guenther  <rguenther@suse.de>
59
60         * gcov-iov.c: Include bconfig.h and system.h.
61
62 2012-06-22  Richard Guenther  <rguenther@suse.de>
63
64         PR gcov-profile/53744
65         * gcov-iov.c (main): Treat "" and "prerelease" the same.
66
67 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
68
69         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
70         DECL_IGNORED_P non-reg vars even if they are used.
71
72 2012-06-19  Jason Merrill  <jason@redhat.com>
73
74         PR c++/52637
75         * dwarf2out.c (modified_type_die): Use scope_die_for.
76         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
77         (uses_local_type_r, uses_local_type): New.
78         (scope_die_for): Keep a type that uses a local type in local scope.
79         Use get_context_die for namespace and type scope.
80
81 2012-06-19  Richard Guenther  <rguenther@suse.de>
82
83         PR middle-end/53470
84         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
85         replace it with the first non-BLOCK context.
86
87 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
88
89         PR rtl-optimization/53700
90
91         Backport from mainline
92         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
93
94         * ira-color.c (setup_left_conflict_sizes_p): Process all
95         conflicting objects.
96
97 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
98
99         Backport from mainline
100         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
101
102         PR target/52908
103         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
104         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
105         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
106         instead of xop_mulv2div2di3_low.
107         (xop_p<macs>dql): Fix vec_select selector.
108         (xop_p<macs>dqh): Ditto.
109         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
110         (xop_mulv2div2di3_high): Ditto.
111
112 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
113
114         Backport from mainline:
115         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
116
117         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
118
119 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
120
121         Backport from mainline:
122         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
123
124         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
125         * config/pa/pa.c (pa_attr_length_millicode_call): Use
126         MAX_PCREL17F_OFFSET instead of fixed offset.
127         (pa_attr_length_call): Likewise.
128         (pa_attr_length_indirect_call): Likewise.
129
130 2012-06-15  Walter Lee  <walt@tilera.com>
131
132         Backport from mainline:
133         2012-06-15  Walter Lee  <walt@tilera.com>
134
135         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
136
137         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
138
139         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
140
141 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
142
143         Backport from mainline:
144
145         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
146         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
147         * gimple.h (block_in_transaction): Check for flag_tm.
148
149 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
150
151         PR tree-optimization/52558
152
153         Backport from mainline:
154         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
155         * gimple.h (gimple_set_in_transaction): Remove.
156         (gimple_in_transaction): Look in BB instead.
157         (gimple_statement_base): Remove in_transaction field.
158         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
159         * trans-mem.c (compute_transaction_bits): Place transaction bit
160         information into basic blocks.
161
162         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
163
164         PR tree-optimization/52558
165         * cfg.c (alloc_aux_for_edge): Fix comment.
166         (alloc_aux_for_edge): Remove static.
167         * basic-block.h (alloc_aux_for_edge): Protoize.
168         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
169         (execute_sm_if_changed_flag): New.
170         (execute_sm_if_changed_flag_set): New.
171         (execute_sm): Do not generate data races unless requested.
172         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
173         (tree_ssa_lim_finalize): Call free_aux_for_edges.
174         * gimple.h (block_in_transaction): New.
175         (gimple_in_transaction): Use block_in_transaction.
176
177 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
178
179         Backported from mainline
180         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
181
182         PR rtl-optimization/53589
183         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
184         discovery even when e->dest != target.  If any LABEL_REF points
185         to e->dest label, redirect it to target's label.
186
187         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
188
189         PR middle-end/53580
190         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
191         returns false, replace stmt with GIMPLE_NOP.
192         (check_omp_nesting_restrictions): Instead of issuing warnings,
193         issue errors and return false if any errors were reported.
194
195 2012-06-14  Richard Guenther  <rguenther@suse.de>
196
197         * BASE-VER: Set to 4.7.2.
198         * DEV-PHASE: Set to prerelease.
199
200 2012-06-12  Christian Bruel  <christian.bruel@st.com>
201
202         PR target/53621
203         * config/sh/sh.c (sh_option_override): Don't force
204          flag_omit_frame_pointer and maccumulate_outgoing_args.
205         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
206
207 2012-06-14  Release Manager
208
209         * GCC 4.7.1 released.
210
211 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
212
213         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
214
215 2012-06-13  Richard Henderson  <rth@redhat.com>
216
217         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
218         iterator instead of INT.
219
220 2012-06-08  Richard Henderson  <rth@redhat.com>
221
222         PR c++/53602
223         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
224         note to a clobber insn when no other insn is available.
225
226 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
227
228         PR c++/53524
229         * doc/invoke.texi (Wenum-compare): Update documentation.
230
231 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
232
233         PR target/53559
234         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
235         operands.
236         (altivec_stvlxl): Ditto.
237         (altivec_stvrx): Ditto.
238         (altivec_stvrxl): Ditto.
239
240 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
241
242         PR middle-end/47530
243         * trans-mem.c (expand_block_edges): Do not skip the first
244         statement when resetting the BB.
245
246 2012-06-04  Richard Guenther  <rguenther@suse.de>
247
248         PR middle-end/53471
249         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
250         create new assembler names.
251
252 2012-06-04  Richard Guenther  <rguenther@suse.de>
253
254         Backport from mainline
255         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
256
257         PR middle-end/52979
258         * stor-layout.c (get_best_mode): Don't return mode with bitsize
259         larger than maxbits.  Don't compute maxbits modulo align.
260         Also check that unit bytes long store at bitpos / unit * unit
261         doesn't affect bits beyond bitregion_end.
262         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
263         would not fit into bitregion_start ... bitregion_end + 1 bit
264         region.
265         (store_split_bit_field): Decrease unit close to end of bitregion_end
266         if access is restricted in order to avoid mutual recursion.
267
268 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
269
270         Backport from 2012-06-04 mainline r188172
271
272         PR target/46261
273         * config/avr/avr-stdint.h: New file.
274         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
275         newlib-stdint.h
276
277 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
278
279         PR tree-optimization/53550
280         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
281         is POINTER_TYPE_P, use sizetype as step type instead of type.
282
283 2012-06-04  Richard Guenther  <rguenther@suse.de>
284             Eric Botcazou  <ebotcazou@adacore.com>
285
286         Backport from mainline
287         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
288
289         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
290         Change type of BITOFFSET to signed.  Make sure the lower bound of
291         the computed range is non-negative by adjusting OFFSET and BITPOS.
292         (expand_assignment): Adjust call to get_bit_range.
293
294         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
295
296         * expr.c (get_bit_range): Return the null range if the enclosing record
297         is part of a larger bit field.
298
299         2012-03-20  Richard Guenther  <rguenther@suse.de>
300
301         * stor-layout.c (finish_bitfield_representative): Fallback
302         to conservative maximum size if the padding up to the next
303         field cannot be computed as a constant.
304         (finish_bitfield_layout): If we cannot compute the distance
305         between the start of the bitfield representative and the
306         bitfield member start a new representative.
307         * expr.c (get_bit_range): The distance between the start of
308         the bitfield representative and the bitfield member is zero
309         if the field offsets are not constants.
310
311         2012-03-16  Richard Guenther  <rguenther@suse.de>
312
313         * stor-layout.c (finish_bitfield_representative): Fall back
314         to the conservative maximum size if we cannot compute the
315         size of the tail padding.
316
317         2012-03-14  Richard Guenther  <rguenther@suse.de>
318
319         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
320         * stor-layout.c (start_bitfield_representative): New function.
321         (finish_bitfield_representative): Likewise.
322         (finish_bitfield_layout): Likewise.
323         (finish_record_layout): Call finish_bitfield_layout.
324         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
325         for QUAL_UNION_TYPE fields.
326         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
327         Stream DECL_BIT_FIELD_REPRESENTATIVE.
328         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
329
330         PR middle-end/52080
331         PR middle-end/52097
332         PR middle-end/48124
333         * expr.c (get_bit_range): Unconditionally extract bitrange
334         from DECL_BIT_FIELD_REPRESENTATIVE.
335         (expand_assignment): Adjust call to get_bit_range.
336
337 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
338
339         PR middle-end/53501
340         * fold-const.c (fold_binary_loc): Refine previous change.
341
342 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
343
344         Backport from mainline
345         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
346
347         PR target/52667
348         * config/sh/sh.c (find_barrier): Add equality check of last_got to
349         avoid going above orig insn.  Update comments.
350
351 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
352
353         Backport from mainline
354         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
355
356         PR target/52642
357         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
358         prologue for unwinder and profiler.
359
360 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
361
362         Backport from mainline
363         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
364
365         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
366
367 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
368
369         Backport from mainline
370         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
371
372         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
373         DBX_REGISTER_NUMBER.
374
375 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
376
377         Backport from mainline
378         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
379
380         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
381         operand is CONST_INT.  Take COSTS_N_INSNS into account.
382         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
383         shiftcosts.     
384
385 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
386
387         * config/avr/avr.opt (-msp8): Document it.
388         * doc/invoke.texi (AVR Options): Copy from trunk docu.
389
390 2012-05-31  Richard Guenther  <rguenther@suse.de>
391
392         PR middle-end/48493
393         * expr.c (expand_assignment): Do not use movmisalign on
394         non-memory.
395
396 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
397
398         PR target/52999
399         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
400         (pa_section_type_flags): New.
401         (pa_legitimate_constant_p): Revert previous change.
402
403 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
404
405         Backport from mainline
406         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
407
408         PR middle-end/53008
409         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
410         accessed indirectly.
411         (ipa_tm_create_version): Same.
412
413 2012-05-30  Jason Merrill  <jason@redhat.com>
414
415         PR c++/53220
416         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
417         about array compound literals.
418
419 2012-05-30  Richard Guenther  <rguenther@suse.de>
420
421         PR middle-end/53501
422         * fold-const.c (fold_binary_loc): Make sure to call
423         fold_plusminus_mult_expr with the original sign of operands.
424
425 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
426
427         * explow.c (probe_stack_range): Restore simple control flow and stop
428         again when the probe cannot be generated if HAVE_check_stack.
429
430 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
431
432         PR rtl-optimization/53519
433         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
434         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
435
436 2012-05-29  Richard Guenther  <rguenther@suse.de>
437
438         PR tree-optimization/53516
439         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
440         bitfield accesses.
441         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
442
443 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
444
445         Backport from mainline
446         2012-05-28  Richard Guenther  <rguenther@suse.de>
447
448         PR tree-optimization/53438
449         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
450
451 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
452
453         Backport from mainline
454         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
455
456         PR rtl-optimization/52528
457         * combine.c (can_combine_p): Add setting of subst_low_luid
458         before call to expand_field_assignment().
459
460 2012-05-26  Martin Jambor  <mjambor@suse.cz>
461
462         Backport from mainline
463         2012-05-23  Martin Jambor  <mjambor@suse.cz>
464
465         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
466
467 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
468
469         PR lto/52178
470         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
471         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
472
473 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
474
475         PR target/53435
476         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
477         (ix86_expand_vec_perm): Use int mode instead of float.
478
479 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
480
481         PR ada/52362
482         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
483         gnu_ld variables to yes.
484         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
485         (HAVE_GNU_AS): Likewise.
486         * config.in: Regenerate.
487         * configure: Likewise.
488
489 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
490
491         Backport from mainline
492         2012-03-12  Richard Guenther  <rguenther@suse.de>
493         * config/arm/arm.c (neon_dereference_pointer): Do not call
494         covert during RTL expansion.
495
496 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
497
498         Backport from mainline
499         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
500
501         PR target/53385
502         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
503         relied on signed overflow behavior.
504
505 2012-05-24  Richard Guenther  <rguenther@suse.de>
506
507         PR middle-end/53460
508         * tree-profile.c (tree_profiling): Cleanup the CFG if
509         execute_fixup_cfg requests it.
510
511 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
512
513         PR tree-optimization/53465
514         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
515         vr0 into *vr, then vrp_meet that.
516         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
517         have any equivalences.
518         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
519         first time.
520
521 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
522
523         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
524         size handling.
525         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
526         (iterative_hash_gimple_type): Adjust comment.
527         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
528         domain for an array type instead of the domain type itself.
529
530 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
531
532         Backport from 2012-05-23 mainline r187803
533
534         PR target/53448
535         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
536         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
537         ASM_OUTPUT_ALIGN.
538
539 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
540
541         Backport from 2012-05-03 mainline r187075
542
543         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
544         has_fma4 for AMD processors with both fma3 and fma4 support.
545
546 2012-05-22  Richard Guenther  <rguenther@suse.de>
547
548         PR tree-optimization/53408
549         * tree-vect-loop.c (vectorizable_induction): Properly check
550         the restriction that we cannot handle induction results from
551         the inner loop outside of the outer loop.
552
553 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
554
555         PR tree-optimization/53436
556         * omp-low.c (omp_build_component_ref): New function.
557         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
558
559         PR tree-optimization/53366
560         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
561         tests if complex_numbers == 2, but there are non-complex number loads
562         too.
563
564         PR tree-optimization/53409
565         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
566         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
567
568         PR tree-optimization/53410
569         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
570         instead of build_int_cst (type, 0) where vector types might be
571         involved.
572
573 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
574
575         PR c/53418
576         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
577         from folded operands before wrapping another around the
578         conditional expression.
579
580 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
581             Patrick Marlier  <patrick.marlier@gmail.com>
582
583         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
584         indirect calls.
585
586 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
587
588         Backport from mainline
589         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
590
591         PR target/53416
592         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
593         (UNSPECV_RDRAND): This.
594         (rdrand<mode>_1): Updated.
595
596 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
597
598         Backport from mainline
599         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
600
601         * config/i386/driver-i386.c (host_detect_local_cpu): Support
602         RDRND, F16C and FSGSBASE.
603
604 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
605
606         Backport from mainline
607         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
608
609         * tree-ssa-pre.c (can_value_number_call): Delete.
610         (compute_avail): Skip all statements with side effects.
611         <GIMPLE_CALL>: Skip calls to internal functions.
612
613 2012-05-18  David S. Miller  <davem@davemloft.net>
614
615         Backport r185385 from mainline
616         2012-03-14  Richard Guenther  <rguenther@suse.de>
617
618         PR middle-end/52584
619         * tree-vect-generic.c (type_for_widest_vector_mode): Take
620         element type instead of mode, use build_vector_type_for_mode
621         instead of the langhook, build a vector of proper signedness.
622         (expand_vector_operations_1): Adjust.
623
624 2012-05-18  Olivier Hainque  <hainque@adacore.com>
625
626         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
627         $(libsubdir) as libexecsubdir.
628
629 2012-05-16  Andrew Pinski  <apinski@cavium.com>
630
631         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
632         GIMPLE_ASSIGN.
633
634 2012-05-16  David S. Miller  <davem@davemloft.net>
635
636         * jump.c (delete_related_insns): If we remove a CALL, make sure
637         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
638
639 2012-05-16  Richard Henderson  <rth@redhat.com>
640
641         PR debug/52727
642         * combine-stack-adj.c (prev_active_insn_bb): New.
643         (next_active_insn_bb): New.
644         (force_move_args_size_note): New.
645         (combine_stack_adjustments_for_block): Use it.
646
647 2012-05-16  Olivier Hainque  <hainque@adacore.com>
648
649         * Makefile.in (install-no-fixedincludes): New target, former toplevel
650         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
651         Add comments and improve stamp preservation across the whole sequence.
652         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
653
654 2012-05-16  Richard Guenther  <rguenther@suse.de>
655
656         PR tree-optimization/53364
657         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
658         detect a view-conversion of the decl.
659
660 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
661
662         PR target/53358
663         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
664         that operands[2] is either immediate, or q_regs_operand.
665
666 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
667
668         Backport r187139 from mainline.
669         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
670
671         PR rtl-optimization/52804
672         * reload1.c (reload_reg_reaches_end_p): Check whether successor
673         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
674         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
675         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
676         RELOAD_FOR_OUTADDR_ADDRESS.
677
678 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
679
680         PR target/46098
681         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
682         generate target register for "load" class builtins.
683
684         Revert:
685         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
686
687         PR target/46098
688         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
689         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
690         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
691         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
692         (<sse>_movu<ssemodesuffix>): New expander.
693         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
694         (avx_movdqu<avxmodesuffix>): New expander.
695         (*sse2_movdqu): Rename from sse2_movdqu.
696         (sse2_movdqu): New expander.
697
698 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
699
700         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
701         lineno 1 the same as lineno 0 before first start file directive.
702         (optimize_macinfo_range): Likewise.
703
704         * dwarf2out.c (have_macinfo): Define.
705         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
706         attribute, don't force empty compilation unit and don't emit any
707         .debug_macinfo/.debug_macro section if macinfo_table is empty.
708
709 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
710
711         Backport from mainline
712         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
713
714         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
715         ORDERED and UNORDERED conditions.
716
717 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
718
719         * function.c (requires_stack_frame_p): If the function can throw
720         non-call exceptions, return true if the insn can throw internally.
721
722 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
723
724         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
725         DECL_ORIGINAL_TYPE if it is present.
726
727 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
728
729         Backport from 2012-05-12 mainline r187342.
730
731         PR target/53256
732         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
733         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
734         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
735         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
736         (expand_prologue): Move initialization of cfun->machine->is_naked,
737         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
738         (avr_set_current_function): ...this new static function.
739         (TARGET_SET_CURRENT_FUNCTION): New define.
740         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
741         checking attributes of current_function_decl.
742         (avr_regs_to_save): Ditto.
743         (signal_function_p): Rename to avr_signal_function_p.
744         (interrupt_function_p): Rename to avr_interrupt_function_p.
745
746         * doc/extend.texi (Function Attributes): Better explanation of
747         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
748         alphabetical order.
749
750 2012-05-09  Matthias Klose  <doko@ubuntu.com>
751
752         * gcc-ar.c (main): Don't check for execute bits for the plugin.
753
754 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
755
756         PR target/53272
757         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
758         when a constant source operand matches an "I" constraint, the "no
759         CC0 change" applies to a register-destination only, not a
760         strict_low_part-destination.
761
762 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
763
764         Backport from mainline:
765         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
766
767         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
768
769 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
770
771         PR tree-optimization/53239
772         * tree-vrp.c (get_value_range): Set VR of
773         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
774         to nonnull.
775
776 2012-05-07  Richard Guenther  <rguenther@suse.de>
777
778         PR tree-optimization/53195
779         * tree-inline.c (setup_one_parameter): Properly add referenced
780         vars from the parameters new known value.
781
782 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
783
784         Backport from mainline:
785         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
786
787         PR target/52999
788         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
789         in constant pool.
790
791 2012-05-04  Ian Lance Taylor  <iant@google.com>
792
793         * tree-vect-patterns.c (vect_single_imm_use): Correct return
794         values from false to NULL.
795
796 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
797
798         Backport from mainline
799         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
800
801         PR target/53228
802         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
803         (TARGET_CMOV): Rename from TARGET_CMOVE.
804         (TARGET_CMOVE): New define.
805         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
806         Do not set TARGET_CMOVE here.
807
808 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
809
810         Backport from mainline:
811
812         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
813
814         PR tree-optimization/52633
815         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
816         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
817         (vect_recog_over_widening_pattern): Remove handling of code that was
818         already detected as over-widening pattern.  Remove special handling
819         of "unsigned" cases.  Instead, support general case of conversion
820         of the shift result to another type.
821
822         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
823
824         * tree-vect-patterns.c (vect_single_imm_use): New function.
825         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
826         (vect_recog_over_widening_pattern): Likewise.
827         (vect_recog_widen_shift_pattern): Likewise.
828
829         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
830
831         PR tree-optimization/52870
832         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
833         presumed pattern statement is within the same loop or basic block.
834
835 2012-05-04  Richard Guenther  <rguenther@suse.de>
836
837         * common.opt (flto-report): Do not mark as Optimization.
838
839 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
840
841         PR target/48496
842         * recog.c (constrain_operands): If extra constraints are present, also
843         accept pseudo-registers with equivalent memory locations during reload.
844
845 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
846
847         Backport from the mainline
848         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
849
850         PR target/53199
851         * config/rs6000/rs6000.md (bswapdi splitters): If
852         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
853         default) is used, generate an alternate sequence that does not
854         depend on using indexed addressing.
855
856 2012-05-03  David S. Miller  <davem@davemloft.net>
857
858         PR target/52684
859         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
860         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
861         (sparc_emit_float_lib_cmp): Likewise.
862
863 2012-05-04  Martin Jambor  <mjambor@suse.cz>
864
865         Backport from mainline
866         2012-05-02  Martin Jambor  <mjambor@suse.cz>
867
868         PR lto/52605
869         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
870         of a variable when the contect is a function.
871
872 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
873
874         PR plugins/53126
875         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
876         append program name to it and pass that as first argument
877         to make_relative_prefix.  Always pass standard_libexec_prefix
878         as last argument to make_relative_prefix.  If
879         make_relative_prefix returns NULL, fall back to
880         standard_libexec_prefix.
881
882         PR debug/53174
883         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
884         removed.
885
886         PR target/53187
887         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
888         mode, return that mode.
889
890 2012-05-03  Richard Guenther  <rguenther@suse.de>
891
892         PR tree-optimization/53144
893         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
894         Rename to ...
895         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
896         with SSA name values.
897         (vn_reference_lookup_3): Adjust callers.
898
899 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
900
901         PR tree-optimization/53163
902         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
903         return value from compute_all_dependences.
904
905         PR rtl-optimization/53160
906         * ree.c (combine_reaching_defs): Handle the case where cand->insn
907         has been modified by ree pass already.
908
909 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
910
911         Backport from mainline
912         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
913
914         PR middle-end/53136
915         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
916         calls to cgraph_node_name in xstrdup.
917         (ipa_make_edge_direct_to_target): Ditto.
918         * tree-sra.c (convert_callers_for_node): Ditto.
919         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
920         * ipa-cp.c (perhaps_add_new_callers): Ditto.
921         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
922         (cgraph_materialize_all_clones): Ditto.
923         * ipa-inline.c (report_inline_failed_reason): Ditto.
924         (want_early_inline_function_p): Ditto.
925         (edge_badness): Ditto.
926         (update_edge_key): Ditto.
927         (flatten_function): Ditto.
928         (ipa_inline): Ditto.
929         (inline_always_inline_functions): Ditto.
930         (early_inline_small_functions): Ditto.
931
932 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
933
934         Backport from mainline
935         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
936
937         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
938         Introduce emul_name to select the right linker emulation for
939         powerpc64-*-freebsd*.
940         * configure: Regenerate.
941         * config.gcc: Add bits to support powerpc64-*-freebsd*.
942         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
943         * config/rs6000/freebsd64.h: New file.
944         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
945         POWERPC_FREEBSD.
946         (rs6000_savres_strategy): Likewise.
947         (rs6000_savres_routine_name): Likewise.
948         (rs6000_elf_file_end): Likewise.
949         * config/rs6000/t-freebsd64: New file.
950         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
951         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
952
953 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
954
955         Backport from mainline
956         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
957
958         PR target/53138
959         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
960
961 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
962
963         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
964         predicate to discriminate types.
965
966 2012-04-27  Richard Guenther  <rguenther@suse.de>
967
968         PR c/51527
969         * convert.c (convert_to_integer): Avoid infinite recursion for
970         target-defined built-in types.
971
972 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
973
974         PR target/53120
975         * config/cris/cris.md ("*andhi_lowpart_v32")
976         ("*andqi_lowpart_v32"): Change first input-only operand from
977         a (match_operand ...) to (match_dup 0).  Drop alternatives with
978         const_int-matching constraints for redundancy.
979         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
980         three-operand alternative.
981
982 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
983
984         Backport from mainline
985         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
986
987         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
988         (*addsi_2_zext): Ditto.
989         (*add<mode>_3): Ditto.
990         (*addsi_3_zext): Ditto.
991         (*add<mode>_5): Ditto.
992
993 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
994
995         PR c/52880
996         * c-typeck.c (set_nonincremental_init,
997         set_nonincremental_init_from_string): Pass true instead of false
998         as IMPLICIT to add_pending_init.
999
1000 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1001
1002         Backport from 2012-04-24 mainline r186768.
1003
1004         PR target/53065
1005         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1006
1007 2012-04-24  Richard Guenther  <rguenther@suse.de>
1008
1009         PR tree-optimization/53085
1010         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1011         stores.
1012
1013 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1014
1015         PR middle-end/53084
1016         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1017         of MEM_REF.
1018         (output_addressed_constants): Likewise.
1019
1020         PR middle-end/52999
1021         * varasm.c (get_section): Don't ICE for section conflicts with
1022         built-in section kinds.
1023
1024 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1025
1026         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1027
1028 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1029
1030         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1031
1032 2012-04-23  Richard Guenther  <rguenther@suse.de>
1033
1034         PR c/53060
1035         * c-typeck.c (build_binary_op): Fix typo.
1036
1037 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1038
1039         PR tree-optimizations/52891
1040         * tree-vect-patterns.c (adjust_bool_pattern): Use
1041         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1042         but with non-standard precision.
1043
1044 2012-04-22  Ian Lance Taylor  <iant@google.com>
1045
1046         * godump.c (go_output_typedef): Dump size of structs.
1047
1048 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1049
1050         Backport from mainline:
1051
1052         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1053         hints for 'A' operand types.
1054
1055 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1056
1057         Backport from 2012-04-19 mainline r186588.
1058
1059         PR target/53033
1060         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1061         the case *(X+const).
1062
1063 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1064
1065         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1066
1067 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         PR target/53020
1070         * config/i386/sync.md (atomic_<code><mode>): Rename to
1071         atomic_<logic><mode>.
1072
1073 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1074
1075         Backport from mainline
1076         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1077
1078         PR target/52932
1079         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1080         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1081         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1082         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1083         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1084         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1085         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1086         gen_avx2_permvarv8sf.
1087
1088 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1089
1090         Backported from mainline
1091
1092         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1093         PR middle-end/52939
1094
1095         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1096         fold_ctor_reference returns a zero constant.
1097
1098 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1099
1100         Backported from mainline
1101         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1102
1103         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1104         and __ILP32__ for x32.
1105
1106 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1107
1108         Backport from mainline r186418.
1109
1110         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1111
1112         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1113         parameters vuse and vuse_escaped.
1114         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1115         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1116         vuse1 != vuse2.
1117
1118 2012-04-13  Richard Guenther  <rguenther@suse.de>
1119
1120         PR tree-optimization/52969
1121         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1122         the condition for the COND_EXPR and handle predicate negation
1123         by swapping the COND_EXPR arms.
1124
1125 2012-04-13  Richard Guenther  <rguenther@suse.de>
1126
1127         PR c/52862
1128         * convert.c (convert_to_pointer): Remove special-casing of
1129         zero.
1130
1131 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1132
1133         Backport from mainline
1134         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1135
1136         PR target/52775
1137         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1138         the list of options to enable the FCFID instruction.
1139         (TARGET_EXTRA_BUILTINS): Adjust comment.
1140
1141 2012-04-12  Richard Guenther  <rguenther@suse.de>
1142
1143         PR tree-optimization/52943
1144         * tree-chrec.h (chrec_is_positive): Remove.
1145         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1146         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1147         Return false for a constant zero instead of negative.
1148         (analyze_siv_subscript_cst_affine): Handle zero difference
1149         in the initial condition explicitely.
1150
1151 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1152
1153         PR middle-end/52894
1154         * varasm.c (process_pending_assemble_externals): Set
1155         pending_assemble_externals_processed true.
1156         (assemble_external): Call assemble_external_real if the pending
1157         assemble externals have been processed.
1158
1159 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1160
1161         PR target/52717
1162         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1163         the DECL generated for the special GOT helper.
1164
1165 2012-04-06  Walter Lee  <walt@tilera.com>
1166
1167         Backport from mainline
1168         2012-03-07  Walter Lee  <walt@tilera.com>
1169
1170         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1171         REG_CFA_* notes for the stack pointer.
1172         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1173         EH_RETURN_STACKADJ_RTX.
1174         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1175         generate REG_CFA_* notes for the stack pointer.
1176         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1177         by EH_RETURN_STACKADJ_RTX.
1178
1179 2012-04-06  Matt Turner  <mattst88@gmail.com>
1180
1181         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1182
1183 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1184
1185         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1186         of the destination isn't also a FP_REGS register.
1187
1188 2012-04-03  Richard Guenther  <rguenther@suse.de>
1189
1190         Backport from mainline
1191         2012-03-02  Richard Guenther  <rguenther@suse.de>
1192
1193         PR tree-optimization/52406
1194         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1195         (struct indices): Add unconstrained_base member.
1196         (struct dr_alias): Remove unused vops member.
1197         (DR_UNCONSTRAINED_BASE): New define.
1198         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1199         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1200         be an artificial access that covers the whole indexed object,
1201         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1202         plain decl base-objects to their MEM_REF variant.
1203         (dr_may_alias_p): When the base-object of either data reference
1204         has unknown size use only points-to information.
1205         (compute_affine_dependence): Make dumps easier to read and
1206         more verbose.
1207         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1208         DR_REF when looking for packed references.
1209         (vect_supportable_dr_alignment): Likewise.
1210
1211 2012-04-03  Richard Guenther  <rguenther@suse.de>
1212
1213         Backport from mainline
1214         2012-03-15  Richard Guenther  <rguenther@suse.de>
1215
1216         PR middle-end/52580
1217         * tree-data-ref.c (subscript_dependence_tester_1): Check
1218         all dimensions for non-conflicting access functions.
1219
1220 2012-04-03  Richard Guenther  <rguenther@suse.de>
1221
1222         Backport from mainline
1223         2012-03-06  Richard Guenther  <rguenther@suse.de>
1224
1225         PR middle-end/52493
1226         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1227
1228         2012-03-23  Richard Guenther  <rguenther@suse.de>
1229
1230         PR tree-optimization/52678
1231         * tree-vectorizer.h (struct _stmt_vec_info): Add
1232         loop_phi_evolution_part member.
1233         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1234         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1235         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1236         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1237         Use the cached evolution part and the PHI nodes value from
1238         the loop preheader edge instead of re-analyzing the evolution.
1239
1240         2012-03-26  Richard Guenther  <rguenther@suse.de>
1241
1242         PR tree-optimization/52701
1243         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1244         compute and set the evolution part of PHI nodes.
1245
1246         2012-03-30  Richard Guenther  <rguenther@suse.de>
1247
1248         PR tree-optimization/52754
1249         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1250         propagate arbitrary addresses into really plain dereferences.
1251
1252 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1253
1254         PR tree-optimization/52835
1255         * tree-data-ref.c (build_rdg): Return NULL if
1256         compute_data_dependences_for_loop failed.
1257
1258 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1259
1260         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1261         (stmt_can_make_abnormal_goto): Use it.
1262         (is_ctrl_altering_stmt): Likewise.
1263
1264 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1265
1266         Backported from mainline
1267         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1268
1269         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1270         is a builtin_stack_save in a dominating BB.
1271
1272 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1273
1274         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1275         crossing 128bit lane boundary.
1276
1277 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1278
1279         Backported from mainline
1280         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1281
1282         PR target/52698
1283         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1284         New prototype.
1285         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1286         * config/i386/i386.c: Include reload.h.
1287         (ix86_legitimize_reload_address): New function.
1288
1289 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1290
1291         Backported from mainline
1292         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1293
1294         PR middle-end/52693
1295         * tree-sra.c (sra_modify_assign): Do not call
1296         load_assign_lhs_subreplacements when working with an unscalarizable
1297         region.
1298
1299 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1300
1301         PR middle-end/52691
1302         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1303         __builtin_va_start to __builtin_next_arg if the latter is
1304         builtin_decl_explicit_p rather than when it is not.
1305
1306         PR middle-end/52750
1307         * tree-vect-generic.c (vector_element): Perform multiplication
1308         for pos in bitsizetype type instead of idx type.
1309
1310 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1311
1312         Backport from 2012-03-28 mainline r185910.
1313
1314         PR target/52692
1315         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1316         (avr_builtin_decl): New static function.
1317         (struct avr_builtin_description, avr_bdesc): Move up.
1318         Add GTY marker. Add field fndecl. Remove redundant field id.
1319         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1320         (avr_expand_builtin): Code cleanup because .id is removed.
1321
1322 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1323
1324         PR middle-end/51893
1325         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1326         targets.
1327
1328 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1329
1330         Backport from 2012-03-28 mainline r185907.
1331
1332         PR target/52737
1333         * config.gcc (tm_file): Remove avr/multilib.h.
1334
1335         * doc/invoke.texi (AVR Options): Adjust
1336         documentation of -mtiny-stack.
1337
1338         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1339         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1340         * config/avr/t-avr: Remove generation of multilib.h.
1341         * config/avr/t-multilib: Regenerate.
1342         * config/avr/multilib.h: Remove.
1343         * config/avr/avr.opt (-msp8): New option.
1344         (avr_sp8): New variable.
1345         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1346         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1347         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1348         (avr_device_to_sp8): New prototype.
1349         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1350         (DRIVER_SELF_SPECS): New define.
1351         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1352         __AVR_SP8__, __AVR_HAVE_SPH__.
1353         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1354         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1355         (avr_file_start): Ditto.
1356
1357 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1358
1359         PR target/52736
1360         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1361         instead of 8 in adjust_address.
1362
1363 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1364
1365         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1366         of a unit before computing the offset in units.
1367
1368 2012-03-27  Richard Guenther  <rguenther@suse.de>
1369
1370         PR middle-end/52720
1371         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1372         explicitely.
1373
1374 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1375
1376         PR target/52610
1377         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1378
1379 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1380
1381         PR middle-end/52640
1382         * varasm.c: Include pointer-set.h.
1383         (pending_assemble_externals_set): New pointer set.
1384         (process_pending_assemble_externals): Destroy the pointer set.
1385         (assemble_external): See if decl is in pending_assemble_externals_set,
1386         and add it to pending_assemble_externals if necessary.
1387         (init_varasm_once): Allocate pending_assemble_externals_set.
1388
1389 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1390
1391         Backported from mainline
1392         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1393
1394         PR target/50310
1395         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1396         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1397         (vector_ltgt<mode>): Likewise.
1398         (vector_ordered<mode>): Likewise.
1399         (vector_unordered<mode>): Likewise.
1400         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1401
1402 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1403
1404         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1405         Make static.
1406
1407 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1408
1409         Backported from mainline
1410         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1411
1412         PR target/48596
1413         PR target/48806
1414         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1415         GENERAL_REGS and FP_REGS for SImode.
1416
1417 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1418
1419         PR middle-end/52547
1420         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1421         on any new_local_var_chain vars declared during recursing on
1422         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1423
1424 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1425
1426         Backport from 2012-03-22 mainline r185692.
1427
1428         PR target/52496
1429         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1430         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1431         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1432         (delay_cycles_1, delay_cycles_2): Ditto.
1433         (delay_cycles_3, delay_cycles_4): Ditto.
1434         (nopv, *nopv): Ditto.
1435         (sleep, *sleep): Ditto.
1436         (wdr, *wdr): Ditto.
1437
1438         Backport from 2012-03-21 mainline r185605.
1439
1440         PR rtl-optimization/52543
1441         PR target/52461
1442         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1443         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1444         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1445         (avr_load_libgcc_p): Restrict to __flash loads.
1446         (avr_out_lpm): Only handle 1-byte loads from __flash.
1447         (avr_load_lpm): New function.
1448         (avr_find_unused_d_reg): Remove.
1449         (avr_out_lpm_no_lpmx): Remove.
1450         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1451         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1452         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1453         (load_<mode>, load_<mode>_clobber): New insns.
1454         (mov<mode>): For multi-byte move from non-generic
1455         16-bit address spaces: Expand to load_<mode> resp.
1456         load_<mode>_clobber.
1457         (load<mode>_libgcc): Remove expander.
1458         (split-lpmx): Remove split.
1459
1460         Backport from 2012-03-13 mainline r185329.
1461
1462         PR target/52488
1463         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1464         offset (size) to a value the insns can deal with.
1465         (expand_epilogue): Ditto.
1466
1467         Backport from 2012-03-12 mainline r185256.
1468
1469         PR target/52499
1470         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1471         type from reg_class_t to enum reg_class.
1472         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1473
1474         Backport from 2012-03-12 mainline r185253.
1475
1476         PR target/52148
1477         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1478         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1479         r184615 from 2012-02-28.
1480
1481         Backport from 2012-03-08 mainline r185105.
1482
1483         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1484         for constants in [-63,63].
1485
1486         Backport from 2012-03-08 mainline r185100.
1487
1488         PR target/52496
1489         * config/avr/avr.c (avr_mem_clobber): New static function.
1490         (avr_expand_delay_cycles): Add memory clobber operand to
1491         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1492         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1493         (enable_interrupt, disable_interrupt): New expander.
1494         (nopv, sleep, wdr): New expanders.
1495         (delay_cycles_1): Add memory clobber.
1496         (delay_cycles_2): Add memory clobber.
1497         (delay_cycles_3): Add memory clobber.
1498         (delay_cycles_4): Add memory clobber.
1499         (cli_sei): New insn from former "enable_interrupt",
1500         "disable_interrupt" with memory clobber.
1501         (*wdt): New insn from former "wdt" with memory clobber.
1502         (*nopv): Similar, but for "nopv".
1503         (*sleep): Similar, but for "sleep".
1504
1505         Backport from 2012-03-07 mainline r185043.
1506
1507         PR target/52484
1508         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1509
1510         Backport from 2012-03-07 mainline r185032.
1511
1512         PR target/52506
1513         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1514         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1515         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1516
1517         Backport from 2012-03-07 mainline r185031.
1518
1519         PR target/52505
1520         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1521         from RAM.
1522         * config/avr/avr.md (xload_8): Adjust insn length.
1523
1524         Backport from 2012-03-07 mainline r185030.
1525
1526         PR target/52461
1527         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1528         if RAMPZ affects reading from RAM.
1529
1530         Backport from 2012-03-05 mainline r184919.
1531
1532         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1533
1534 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1535
1536         Backport from mainline r185259.
1537
1538         PR other/52545
1539         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1540         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1541
1542 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1543
1544         Backported from mainline
1545         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1546
1547         PR c/52577
1548         * c-parser.c (c_parser_postfix_expression)
1549         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1550
1551         * config/i386/smmintrin.h: Avoid /* within a comment.
1552         * config/i386/nmmintrin.h: Likewise.
1553
1554 2012-03-22  Richard Guenther  <rguenther@suse.de>
1555
1556         * BASE-VER: Set to 4.7.1.
1557         * DEV-PHASE: Set to prerelease.
1558
1559 2012-03-22  Release Manager
1560
1561         * GCC 4.7.0 released.
1562
1563 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1564
1565         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1566
1567 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1568             Andrew Pinski  <apinski@cavium.com>
1569
1570         PR middle-end/52592
1571         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1572         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1573         calls instead of __builtin_ir{int,ound}*.
1574
1575 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1576
1577         PR c++/52582
1578         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1579         if c_node is NULL.
1580
1581 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1582
1583         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1584         Refer to GCC 4.7 version of c99status.html.
1585
1586 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1587
1588         Backport from mainline
1589         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1590
1591         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1592         redefine to be NULL if the current bit-size is different from the
1593         configured bit-size.
1594
1595         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1596         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1597         set the default tuning.  Add asserts to make sure the cpu and tune
1598         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1599         test whether the index is set, instead of > 0.
1600         (rs6000_file_start): Do not reset the default cpu if the current
1601         bit-size is different from the configured bit-size.
1602
1603 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1604
1605         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1606         binutils reference.
1607         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1608         Update binutils references.
1609         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1610         Update binutils reference.
1611         Update Sun as/GNU ld caveat.
1612         Document binutils largefile requirement for LTO plugin.
1613         Remove reference to alternate libpthread.
1614
1615 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1616
1617         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1618         reference.
1619         (Specific, mips-sgi-irix6): Likewise.
1620
1621 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1622
1623         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1624         * configure: Regenerate.
1625
1626 2012-03-07  Richard Henderson  <rth@redhat.com>
1627
1628         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1629         * config/m68k/sync.md (atomic_test_and_set): Use it.
1630         (atomic_test_and_set_1): Likewise.
1631
1632 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1633
1634         PR target/51417
1635         * Makefile.in: Let install-gcc-ar depend on installdirs,
1636         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1637         Don't double canonicalize if cross-compiling.
1638
1639 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1640
1641         * trans-mem.c: New typedef for tm_region_p.
1642         Define vector types for tm_region_p.
1643         (tm_region_init): Replace region_worklist to a vector called
1644         bb_regions.
1645
1646 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1647
1648         PR middle-end/52463
1649         * trans-mem.c (tm_region_init): Use last_basic_block.
1650
1651 2012-03-05  Richard Henderson  <rth@redhat.com>
1652
1653         PR tree-opt/52242
1654         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1655         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1656         BIGGEST_ALIGNMENT is aligned.
1657
1658 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1659
1660         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1661
1662 2012-03-05  Richard Henderson  <rth@redhat.com>
1663
1664         PR target/52481
1665         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1666         instead of calling negqi2 directly.
1667
1668 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1669
1670         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1671         (INTMAX_TYPE): Use it.
1672         (UINTMAX_TYPE): Likewise.
1673         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1674         (irix6_c_common_override_options): Declare.
1675         (C_COMMON_OVERRIDE_OPTIONS): Define.
1676         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1677         * config/mips/irix6-c.c: New file.
1678         * config/mips/t-irix6 (irix6-c.o): New target.
1679         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1680         cxx_target_objs.
1681
1682 2012-03-02  Richard Henderson  <rth@redhat.com>
1683
1684         * optabs.c (expand_atomic_test_and_set): Honor
1685         atomic_test_and_set_trueval even when atomic_test_and_set
1686         optab is not in use.
1687
1688 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1689
1690         Backport from mainline
1691         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1692
1693         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1694
1695 2012-03-02  Richard Guenther  <rguenther@suse.de>
1696
1697         * DEV-PHASE: Set to prerelease.
1698
1699 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1700
1701         * config.gcc (obsolete): Add all ARM targets using the FPA.
1702         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1703         * doc/install.texi: Avoid references to obsolete ARM ports.
1704
1705 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1706
1707         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1708
1709 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1710             Joern Rennecke  <joern.rennecke@embecosm.com>
1711
1712         * doc/extend.texi: Expand and update information on interrupt
1713         attribute for Epiphany.
1714
1715 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1716
1717         * config/sh/sh-protos.h: Update copyright notice dates.
1718         * config/sh/sh.h: Likewise.
1719         * config/sh/sh.md: Likewise.
1720         * config/sh/constraints.md: Likewise.
1721         * config/sh/predicates.md: Likewise.
1722
1723 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1724
1725         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1726         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1727
1728 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1729
1730         * config/sh/constraints.md: Fix comment typo.
1731
1732 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1733
1734         PR target/52408
1735         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1736         unsigned HOST_WIDE_INT.
1737         (zvdep_imm64): Likewise.
1738         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1739         (vdepi_and): Likewise.
1740         Likewise for unamed 64-bit patterns.
1741         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1742
1743 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1744
1745         PR debug/52001
1746         PR rtl-optimization/52417
1747         * cselib.c (cselib_any_perm_equivs): New variable.
1748         (cselib_reset_table): Check that it's not set when not
1749         preserving constants.
1750         (cselib_add_permanent_equiv): Set it.
1751         (cselib_have_permanent_equivalences): New.
1752         (cselib_init, cselib_finish): Reset it.
1753         * cselib.h (cselib_have_permanent_equivalences): Declare.
1754         * alias.c (get_addr): Restore earlier behavior when there
1755         aren't permanent equivalences.
1756
1757 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1758
1759         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1760         * config/v850/v850-modes.def: Fix copyright notice.
1761
1762 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1763
1764         * doc/extend.texi (AVR Built-in Functions): Document
1765         __builtin_avr_flash_segment.
1766
1767         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1768         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1769         (*split.flash_segment): New insn-and-split.
1770         * config/avr/avr.c (avr_init_builtins): Add local variables:
1771         const_memx_void_node, const_memx_ptr_type_node,
1772         char_ftype_const_memx_ptr.
1773
1774 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1775
1776         PR tree-optimization/52445
1777         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1778         add ssa_name_ver, offset and size fields and change store field
1779         to bool.
1780         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1781         (add_or_mark_expr): Likewise.  Only consider previous stores
1782         with the same size and offset.
1783         (nt_init_block): Only look at gimple_assign_single_p stmts,
1784         doesn't look at rhs2.
1785
1786 2012-03-01  Richard Guenther  <rguenther@suse.de>
1787
1788         PR middle-end/52443
1789         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1790         conversions from integral types to pointer types.
1791
1792 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1793
1794         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1795         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1796         unintentionally removed in r184616.
1797
1798 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1799
1800         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1801         3DNow from bdver1.
1802
1803 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1804             Uros Bizjak  <ubizjak@gmail.com>
1805
1806         PR target/52437
1807         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1808         alternatives, add "e" constraint to the new last alternative
1809         and ! to last 3 alternatives.
1810
1811 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1812
1813         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1814         DW_AT_artificial attributes at the end of the processing.
1815         (gen_array_type_die): Likewise.
1816         (gen_enumeration_type_die): Likewise.
1817         (gen_struct_or_union_type_die): Likewise.
1818         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1819         the parent type.
1820
1821 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1822
1823         PR middle-end/52419
1824         * expr.c (expand_assignment): If doing misaligned store that doesn't
1825         cover all mode bits, perform a RMW cycle.
1826
1827         PR tree-optimization/52429
1828         * tree-parloops.c (separate_decls_in_region_debug): Return early
1829         if var is LABEL_DECL.
1830
1831 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1832
1833         PR tree-optimization/52424
1834         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1835         calling dom_thread_across_edge.
1836
1837 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1838
1839         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1840
1841 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1842
1843         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1844         * config/avr/avr.c (avr_output_bld): Remove unused function.
1845         (avr_out_sbxx_branch): Use "%T" to print bit position.
1846
1847 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1848
1849         * config/avr/avr.md: Untabify.
1850
1851 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1852
1853         * config/avr/avr.md (eqne): New code iterator.
1854         (*dec-and-branchsi): Use it in text peephole's condition.
1855         (*dec-and-branchhi): Ditto.
1856         (*dec-and-branchqi): Ditto.
1857
1858 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1859
1860         PR target/49939
1861         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1862         the device does not have the skip-bug.
1863
1864 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1865
1866         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1867         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1868         -mpretend-cmove): New.
1869
1870 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1871
1872         PR bootstrap/52397
1873         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1874         doesn't count DEBUG_INSN refs.
1875         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1876         for DEBUG_INSN refs.
1877
1878 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1879
1880         Partially revert:
1881
1882         2012-02-20  Richard Guenther  <rguenther@suse.de>
1883         PR tree-optimization/52298
1884         * tree-vect-stmts.c (vectorizable_load): Properly use
1885         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1886         outer loops.
1887
1888 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1889
1890         PR middle-end/51752
1891         * gimple.h (gimple_in_transaction): New.
1892         (gimple_set_in_transaction): New.
1893         (struct gimple_statement_base): Add in_transaction field.
1894         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1895         transaction loads.
1896         (tree_ssa_lim_initialize): Compute transaction bits.
1897         * tree.h (compute_transaction_bits): Protoize.
1898         * trans-mem.c (tm_region_init): Use the heap to store BB
1899         auxilliary data.
1900         (compute_transaction_bits): New.
1901
1902 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1903
1904         * gcc.c (display_help): Document --help=common and sort entries
1905         alphabetically.
1906
1907 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1908
1909         * doc/install.texi: Document check-$LANG specific shortcuts
1910
1911 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1912
1913         PR target/51534
1914         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1915         and vcgtu.
1916         * config/arm/arm_neon.h: Regenerate.
1917         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1918         (neon_vcgeu): New insn.
1919         (neon_vcgtu): Likewise.
1920         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1921         (ops): Unsigned comparison intrinsics call a different
1922         builtin.
1923
1924 2012-02-28  Richard Guenther  <rguenther@suse.de>
1925
1926         PR target/52407
1927         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1928         ordering for the VEC_CONCAT for two element vectors for
1929         V2SFmode, V2SImode and V2DImode.
1930
1931 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1932
1933         PR target/49448
1934         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1935         detecting big-endian triplets.
1936
1937 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1938
1939         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1940         mode if there is no type information available.
1941
1942 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1943
1944         PR tree-optimization/53207
1945         * doc/invoke.texi: Document as experimental and relying on graphite.
1946
1947 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1948
1949         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1950         of initializer to changes from r184614.
1951
1952 2012-02-28  Richard Guenther  <rguenther@suse.de>
1953
1954         PR tree-optimization/52395
1955         * tree-sra.c (build_ref_for_offset): Also look at the base
1956         TYPE_ALIGN when figuring out the alignment of the replacement.
1957
1958 2012-02-28  Richard Guenther  <rguenther@suse.de>
1959
1960         PR tree-optimization/52402
1961         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1962         mis-aligned types when creating the accesses at the call site.
1963
1964 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1965
1966         * config/avr/builtins.def: New file.
1967         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1968         * config/avr/avr.c (enum avr_builtin_id): Use it.
1969         (avr_init_builtins): Use it. And use avr_bdesc.
1970         (bdesc_1arg): Remove.
1971         (bdesc_2arg): Remove.
1972         (bdesc_3arg): Remove.
1973         (struct avr_builtin_description): Add field n_args.
1974         (avr_bdesc): New static variable using builtins.def.
1975         (avr_expand_builtin): Use it.
1976         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1977         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1978         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1979
1980 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1981
1982         PR target/52148
1983         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1984         match only one single hard register with respective hard reg rtx.
1985         (movmemx_<mode>): Ditto.
1986         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1987         insn anatomy of movmem[x]_<mode>.
1988         (avr_out_movmem): Same for printing assembler and operand usage.
1989
1990 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1991
1992         PR target/49868
1993         PR target/52261
1994         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1995         address spaces located outside of device flash.
1996
1997         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1998         (mcu_type_s): Add field n_flash.
1999         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2000         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2001         (AVR_MCU): Add N_FLASH argument.
2002         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2003         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2004         macro __FLASH<n> if that address space makes sense for the device.
2005         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2006         outside of target flash.
2007         (avr_asm_named_section): Ditto.
2008         (avr_asm_select_section): Ditto.
2009         (avr_addr_space_convert): Ditto.
2010         (avr_emit_movmemhi): Ditto.
2011         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2012         address space is outside of device flash.
2013         (avr_insert_attributes): Ditto.
2014         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2015         avr_current_arch->n_segments.
2016
2017 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2018
2019         PR target/52352
2020         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2021         TARGET_LP64.
2022         (*movabs<mode>_2): Likewise.
2023
2024 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2025
2026         PR target/52375
2027         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2028         s_register_operand in the test instead of REG_P.  Don't call
2029         gen_reg_rtx if it won't be used.
2030
2031         PR tree-optimization/52376
2032         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2033
2034 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2035
2036         * ifcvt.c (noce_get_condition): Check condition variable is not
2037         small_register_classes_for_mode_p before accepting.
2038
2039 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2040
2041         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2042
2043 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2044
2045         Revert:
2046         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2047         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2048         tuning parameters.
2049         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2050
2051 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2052
2053         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2054
2055 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2056
2057         * config/sh/predicates.md: Remove blank lines.
2058         * config/sh/sh.c: Fix typos in comments.
2059         * config/sh/constraints.md: Likewise.
2060         * config/sh/sh.md: Remove blank lines.
2061         Fix typos in comments.  Use ;; as comment characters.
2062
2063 2012-02-26  Walter Lee  <walt@tilera.com>
2064
2065         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2066         (replace_mov_pcrel_step2): Ditto.
2067
2068 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2069
2070         PR debug/52001
2071         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2072         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2073         and locs that reference values newer than the non-canonical value
2074         at hand.  Return the canonical value as a worst case.
2075         (memrefs_conflict_p): Walk canonical value's locs.
2076
2077         PR debug/52001
2078         * cselib.c (preserve_only_constants): Rename to...
2079         (preserve_constants_and_equivs): ... this.  Split out...
2080         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2081         of other preserved expressions too.
2082         (cselib_reset_table): Adjust.
2083         * var-tracking.c (reverse_op): Use canonical value to build
2084         reverse operation.
2085
2086 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2087
2088         * config/i386/i386.c (ix86_delegitimize_address): Handle
2089         UNSPEC_PCREL plus displacement.
2090
2091 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2092
2093         PR target/52261
2094         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2095         to test for unusedness in st X addressing.
2096
2097 2012-02-24  Richard Guenther  <rguenther@suse.de>
2098
2099         PR middle-end/52361
2100         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2101         (is_gimple_reg_type): Move inline ...
2102         * gimple.h (is_gimple_reg_type): ... here.
2103
2104 2012-02-24  Richard Guenther  <rguenther@suse.de>
2105
2106         PR middle-end/52361
2107         * passes.c (execute_function_todo): When verifying SSA form
2108         verify gimple form first.
2109         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2110
2111 2012-02-24  Richard Guenther  <rguenther@suse.de>
2112
2113         PR middle-end/52355
2114         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2115         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2116
2117 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2118
2119         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2120
2121 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2122
2123         * tree-phinodes.c (make_phi_node): Mark static.
2124         * tree-flow.h (make_phi_node): Remove extern decl.
2125         * doc/gimple.texi (make_phi_node): Remove documentation.
2126
2127 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2128
2129         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2130         * tree-ssa-sccvn.c (print_scc): Ditto.
2131
2132 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2133
2134         * doc/passes.texi (Full redundancy elimination): Fix typo.
2135
2136 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2137
2138         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2139
2140 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2141
2142         PR bootstrap/52287
2143         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2144
2145 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2146
2147         PR c/52290
2148         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2149
2150 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2151
2152         * config/avr/avr.md (code_stdname): Add ior, xor.
2153         (xior): New code iterator.
2154         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2155         (*<code_stdname><mode>qi.byte1-3): Ditto.
2156
2157 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2158
2159         PR tree-optimization/52019
2160         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2161         CLOBBER stmts.
2162
2163 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2164
2165         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2166         HAVE_INITFINI_ARRAY to work around namespace pollution in
2167         certain versions of newlib system headers.
2168         * config.in: Regenerate.
2169         * configure: Regenerate.
2170         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2171         instead of HAVE_INITFINI_ARRAY.
2172
2173 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2174
2175         PR target/52330
2176         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2177         is not offsettable memory reference.
2178
2179 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2180
2181         PR target/18145
2182         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2183         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2184
2185 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2186
2187         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2188         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2189
2190 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2191
2192         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2193         library on Solaris 8 even without TLS support.
2194         * configure: Regenerate.
2195
2196 2012-02-22  Richard Guenther  <rguenther@suse.de>
2197
2198         PR middle-end/52329
2199         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2200         for GIMPLE_DEBUG stmts.
2201
2202 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2203
2204         PR middle-end/51782
2205         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2206         according to the base object.
2207
2208 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2209
2210         PR rtl-optimization/50063
2211         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2212         and 2 (8-bit SP) in operand 2.
2213         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2214         setup to use movhi_sp_r instead of vanilla move to write SP.
2215         Adjust REG_CFA notes to superseed unspec.
2216         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2217         of vanilla move.
2218         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2219         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2220         irq_state 1 (IRQ known to be on) here.
2221
2222 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2223
2224         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2225         WORDS_BIG_ENDIAN.
2226         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2227         assign_hard_reg): Likewise.
2228
2229 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2230
2231         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2232
2233 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2234
2235         * config/avr/avr.md
2236         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2237         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2238
2239 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2240
2241         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2242         prototype from here to...
2243         * config/avr/avr.h: ...here.
2244
2245 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2246
2247         PR target/52294
2248         * thumb2.md (thumb2_shiftsi3_short): Split register and
2249         immediate shifts.  For register shifts tie operands 0 and 1.
2250         (peephole2 for above): Check that register-controlled shifts
2251         have suitably tied operands.
2252
2253 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2254
2255         PR target/52137
2256         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2257         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2258         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2259         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2260         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2261         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2262         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2263         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2264         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2265         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2266         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2267         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2268         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2269         bdver1_ssevector_avx256_unaligned_load,
2270         bdver1_ssevector_sse128_unaligned_load,
2271         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2272         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2273         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2274         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2275         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2276         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2277         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2278         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2279         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2280         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2281         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2282         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2283         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2284         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2285         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2286         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2287         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2288         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2289         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2290         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2291         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2292         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2293         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2294         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2295         bdver1_ssediv_double_load, bdver1_ssediv_double,
2296         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2297         Add "bdver2" attribute.
2298
2299 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2300
2301         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2302         default if possible and not specified otherwise.
2303
2304 2012-02-21  Richard Guenther  <rguenther@suse.de>
2305
2306         PR middle-end/52314
2307         * gimplify.c (create_tmp_from_val): Use the main variant type
2308         for the type of the temporary we create.
2309
2310 2012-02-21  Richard Guenther  <rguenther@suse.de>
2311
2312         PR tree-optimization/52324
2313         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2314         do not gimplify a MEM_REF address operand if it is already
2315         in suitable form.
2316
2317 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2318
2319         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2320         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2321
2322 2012-02-21  Richard Guenther  <rguenther@suse.de>
2323
2324         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2325         nested_in_vect_loop.
2326
2327 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2328
2329         PR tree-optimization/52318
2330         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2331         vdef also to non-pure/const call stmts in the sequence.
2332
2333 2012-02-20  David S. Miller  <davem@davemloft.net>
2334
2335         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2336         don't use the "rd %pc" instruction on v9 for PIC register loads.
2337
2338 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2339
2340         PR middle-end/52141
2341         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2342         in a transaction safe function.
2343
2344 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2345
2346         PR target/52238
2347         * stor-layout.c (place_field): Handle desired_align for
2348         ms-bitfields, too.
2349
2350 2012-02-20  Richard Guenther  <rguenther@suse.de>
2351
2352         PR tree-optimization/52298
2353         * tree-vect-stmts.c (vectorizable_store): Properly use
2354         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2355         outer loops.
2356         (vectorizable_load): Likewise.
2357         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2358         Access DR_STEP after ensuring it is not NULL.
2359
2360 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2361
2362         PR tree-optimization/52286
2363         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2364         optimization use double_int_to_tree instead of build_int_cst_wide,
2365         rewrite to use double_int vars.
2366
2367 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2368
2369         PR target/50166
2370         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2371         Define _start.
2372         Remove -e 0 from $gcc_cv_ld invocation.
2373         Only use __GLIBC_PREREQ if defined.
2374         Enable on Solaris since Solaris 8 patch.
2375         (gcc_SUN_LD_VERSION): New macro.
2376         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2377         gcc_SUN_LD_VERSION for version number format.
2378         * configure: Regenerate.
2379         * varasm.c (get_elf_initfini_array_priority_section): Set
2380         SECTION_NOTYPE for non-default priority.
2381         Use get_section instead of get_unnamed_section to emit
2382         .init_array/.fini_array with default priority.
2383
2384 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2385
2386         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2387         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2388         (mips_start_unique_function, mips_output_mips16_rdhwr)
2389         (mips_code_end): New functions.
2390         (TARGET_ASM_CODE_END): Define.
2391
2392 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2393
2394         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2395         to stubs with non-sibling calls.
2396
2397 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2398
2399         * doc/invoke.texi (-fira-* options): Copy-edit.
2400         (ira-* parameters): Copy-edit.
2401
2402 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2403
2404         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2405         GCC coding conventions.
2406
2407 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2408
2409         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2410         when used as adjectives.
2411
2412 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2413
2414         * doc/invoke.texi: Clean up "that"/"which" confusion.
2415
2416 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2417
2418         * system.h: Poison SMALL_REGISTER_CLASSES
2419         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2420         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2421
2422 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2423
2424         PR tree-optimization/52285
2425         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2426         when deciding if a call is a tail call or tail recursion.
2427
2428 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2429
2430         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2431         interger-constant displacement for UNSPEC_PCREL.
2432
2433 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2434
2435         PR rtl-optimization/52208
2436         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2437         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2438
2439         PR tree-optimization/52255
2440         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2441         loop->header has virtual PHI, but exit_e->dest doesn't, add
2442         virtual PHI to exit_e->dest and adjust all uses after the loop.
2443
2444         PR debug/52260
2445         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2446         children with clone_tree_hash, not after it.
2447
2448 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2449
2450         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2451         extended identifiers.
2452
2453 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2454
2455         PR middle-end/51929
2456         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2457         a same_body_alias, also test whether e->callee isn't a former
2458         or current clone of the decl this is a same body alias of.
2459
2460         PR translation/52264
2461         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2462
2463 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2464
2465         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2466
2467 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2468
2469         PR target/52199
2470         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2471         force_reg instead of copy_to_reg for better optimization.  Force
2472         non-register or memory operands into a register.
2473
2474 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2475
2476         * extend.texi: Reserve upper bits of memory model for future use.
2477
2478 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2479             Anatoly Sokolov <aesok@post.ru>
2480             Eric Weddington <eric.weddington@atmel.com>
2481
2482         PR target/52261
2483         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2484         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2485         Rewrite initializers for .macro.
2486         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2487         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2488         atxmega32d4, atxmega32x1.
2489         avrxmega4: atxmega64a3, atxmega64d3.
2490         avrxmega5: atxmega64a1, atxmega64a1u.
2491         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2492         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2493         avrxmega7: atxmega128a1, atxmega128a1u.
2494         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2495         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2496         (struct base_arch_s): Rename reserved to xmega_p.
2497         Rename reserved2 to have_rampd.
2498         (AVR_XMEGA): New define.
2499         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2500         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2501         * config/avr/predicates.md (io_address_operand): Take into
2502         account SFR offset.
2503         (low_io_address_operand): Ditto.
2504         (high_io_address_operand): Ditto.
2505         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2506         (enabled, movhi_sp_r): Use them.
2507         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2508         cpp_define_formatted to built-in define __AVR_ARCH__.
2509         (__AVR_XMEGA__): New built-in define.
2510         (__AVR_HAVE_RAMPD__): New built-in define.
2511         (__AVR_HAVE_RAMPX__): New built-in define.
2512         (__AVR_HAVE_RAMPY__): New built-in define.
2513         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2514
2515         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2516         (avr_option_override): Initialize them.
2517         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2518         (avr_init_expanders): Initialize them. No more block several calls.
2519         (emit_push_sfr): New static function.
2520         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2521         Handle AVR_XMEGA.
2522         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2523         (avr_print_operand): Print addreeses as symbols for
2524         RAMPX, RAMPY, RAMPD, CCP.
2525         (output_movhi): Handle AVR_XMEGA when writing to SP.
2526         (avr_out_movhi_mr_r_xmega): New static function.
2527         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2528         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2529         __RAMPD__,  __CCP__ as needed.
2530
2531         * config/avr/multilib.h: Regenerate.
2532         * config/avr/t-multilib: Regenerate.
2533         * config/avr/avr-tables.opt: Regenerate.
2534
2535 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2536
2537         PR tree-optimization/50561
2538         * graphite-flattening.c (lst_project_loop): Do not
2539         remove old scattering dimensions after flattening.
2540         (lst_do_flatten): Likewise.
2541
2542 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2543
2544         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2545         __builtin_avr_map8, __builtin_avr_map16.
2546         Document __builtin_avr_insert_bits.
2547
2548         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2549         (insert_bits): New insn.
2550         (adjust_len.map_bits): Rename to insert_bits.
2551         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2552         * avr-protos.h (avr_out_map_bits): Remove.
2553         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2554         * config/avr/constraints.md (Cxf,C0f): New.
2555         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2556         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2557         New built-in define __BUILTIN_AVR_INSERT_BITS.
2558         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2559         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2560         (avr_move_bits): Rewrite.
2561         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2562         functions.
2563         (avr_map_op_t): New typedef.
2564         (avr_map_op): New static variable.
2565         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2566         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2567         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2568         (bdesc_3arg, avr_expand_triop_builtin): New.
2569         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2570         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2571         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2572         (avr_map_equal_p, avr_map_sig_p): Remove.
2573         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2574         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2575         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2576         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2577         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2578         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2579
2580 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2581
2582         * config/c6x/c6x.md (reserve_cycles): New attribute.
2583         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2584         don't reserve functional units after the branch occurs.
2585
2586 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2587
2588         PR middle-end/52142
2589         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2590         functions into non-tm_pure functions.
2591
2592 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2593
2594         PR lto/52178
2595         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2596         (iterative_hash_canonical_type): Likewise.
2597         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2598         the dead edges.
2599
2600 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2601
2602         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2603         sched-group insn, it either remains alone or the entire list is pruned.
2604
2605 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2606
2607         * doc/install.texi (Prerequisites): Fix grammar.
2608         (Configuration): Likewise.
2609
2610 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2611
2612         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2613         MPC as part of GCC before describing configuring with --with-gmp etc.
2614         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2615         sources are present.
2616
2617 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2618
2619         PR debug/51950
2620         * dwarf2out.c (clone_tree_hash): New function.
2621         (copy_decls_walk): Use it instead of clone_tree.
2622
2623 2012-02-14  Richard Guenther  <rguenther@suse.de>
2624
2625         PR tree-optimization/52244
2626         PR tree-optimization/51528
2627         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2628         replacements for integral types.
2629
2630 2012-02-14  Walter Lee  <walt@tilera.com>
2631
2632         * config.gcc: Handle tilegx and tilepro.
2633         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2634         tilegx and tilepro.
2635         Add HAVE_AS_TLS check for tilegx and tilepro.
2636         * configure: Regenerate.
2637         * doc/contrib.texi: Add Mat Hostetter and self.
2638         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2639         Document instruction intrinsics and network accessing intrinsics.
2640         (TILEPro Built-in Functions): New node.  Document instruction
2641         intrinsics and network accessing intrinsics.
2642         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2643         (Specific, tilepro-*-linux*): Likewise.
2644         * doc/invoke.texi (TILE-Gx Options): New section.
2645         (TILEPro Options): New section.
2646         * doc/md.texi (TILE-Gx): New section.
2647         (TILEPro): New section.
2648         * common/config/tilegx/tilegx-common.c: New file.
2649         * common/config/tilepro/tilepro-common.c: New file.
2650         * config/tilegx/constraints.md: New file.
2651         * config/tilegx/linux.h: New file.
2652         * config/tilegx/mul-tables.c: New file.
2653         * config/tilegx/predicates.md: New file.
2654         * config/tilegx/sync.md: New file.
2655         * config/tilegx/t-tilegx: New file.
2656         * config/tilegx/tilegx-builtins.h: New file.
2657         * config/tilegx/tilegx-c.c: New file.
2658         * config/tilegx/tilegx-generic.md: New file.
2659         * config/tilegx/tilegx-modes.def: New file.
2660         * config/tilegx/tilegx-multiply.h: New file.
2661         * config/tilegx/tilegx-protos.h: New file.
2662         * config/tilegx/tilegx.c: New file.
2663         * config/tilegx/tilegx.h: New file.
2664         * config/tilegx/tilegx.md: New file.
2665         * config/tilegx/tilegx.opt: New file.
2666         * config/tilepro/constraints.md: New file.
2667         * config/tilepro/gen-mul-tables.cc: New file.
2668         * config/tilepro/linux.h: New file.
2669         * config/tilepro/mul-tables.c: New file.
2670         * config/tilepro/predicates.md: New file.
2671         * config/tilepro/t-tilepro: New file.
2672         * config/tilepro/tilepro-builtins.h: New file.
2673         * config/tilepro/tilepro-c.c: New file.
2674         * config/tilepro/tilepro-generic.md: New file.
2675         * config/tilepro/tilepro-modes.def: New file.
2676         * config/tilepro/tilepro-multiply.h: New file.
2677         * config/tilepro/tilepro-protos.h: New file.
2678         * config/tilepro/tilepro.c: New file.
2679         * config/tilepro/tilepro.h: New file.
2680         * config/tilepro/tilepro.md: New file.
2681         * config/tilepro/tilepro.opt: New file.
2682
2683 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2684
2685         PR tree-optimization/52210
2686         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2687         vect_model_simple_cost with two entry vect_def_type array instead
2688         of an address of dt.
2689
2690 2012-02-14  Richard Guenther  <rguenther@suse.de>
2691
2692         PR lto/52178
2693         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2694         Do not stream DECL_QUALIFIER.
2695         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2696         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2697         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2698
2699 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2700
2701         PR c/52181
2702         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2703         newdecl.
2704
2705 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR bootstrap/52172
2708         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2709         * cselib.c (cselib_subst_to_values_from_insn): New function.
2710         * sched-deps.c (add_insn_mem_dependence,
2711         sched_analyze_1, sched_analyze_2): Use it.
2712
2713 2012-02-13  Jan Hubicka  <jh@suse.cz>
2714
2715         PR middle-end/52214
2716         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2717
2718 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2719
2720         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2721         (GTM_SELF_SPECS): Define if not already defined.
2722         (driver_self_specs): Add GTM_SELF_SPECS.
2723         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2724         (GTM_SELF_SPECS): Define.
2725         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2726         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2727
2728 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2729
2730         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2731         away if seen.
2732
2733         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2734
2735         PR middle-end/52230
2736         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2737         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2738
2739 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2740
2741         PR c/52190
2742         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2743
2744 2012-02-13  Richard Guenther  <rguenther@suse.de>
2745
2746         PR translation/52211
2747         * passes.c (enable_disable_pass): Fix typo.
2748
2749 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2750
2751         PR middle-end/52209
2752         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2753         XOR for reduce_bit_field if type is unsigned.
2754
2755 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2756
2757         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2758         disallow changes from SFmode to mode with different size in FP regs.
2759
2760 2012-02-12  Robert Millan  <rmh@gnu.org>
2761             Gerald Pfeifer <gerald@pfeifer.com>
2762
2763         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2764         Tweak comment.
2765
2766 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2767
2768         PR rtl-optimization/52175
2769         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2770         to frame-related instructions.
2771
2772 2012-02-10  Jason Merrill  <jason@redhat.com>
2773
2774         PR c++/51910
2775         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2776         (demangle_new_symbols): Fill it.
2777         (scan_linker_output): Walk it.
2778         (start_tweaking): Split out from scan_linker_output.
2779         (maybe_tweak): Update sym->chosen.
2780         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2781
2782 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2783
2784         PR debug/52132
2785         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2786
2787 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2788
2789         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2790         having the same mode as previous compare.
2791
2792 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2793
2794         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2795         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2796         (nonlocal_goto_internal): Likewise.
2797         (nonlocal_goto): Emit a use and an indirect jump directly.
2798
2799 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2800
2801         PR c/52190
2802         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2803         __atomic_{is,always}_lock_free.
2804
2805 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2806
2807         PR target/52146
2808         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2809         negative constant address for x32.
2810
2811 2012-02-10  Richard Henderson  <rth@redhat.com>
2812
2813         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2814         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2815         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2816
2817 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2818             Ira Rosen  <irar@il.ibm.com>
2819
2820         PR tree-optimization/50031
2821         * targhooks.c (default_builtin_vectorization_cost): Handle
2822         vec_promote_demote.
2823         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2824         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2825         all types of reduction and pattern statements.
2826         (vect_estimate_min_profitable_iters): Likewise.
2827         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2828         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2829         for explicit realigns.
2830         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2831         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2832         vec_promote_demote.
2833         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2834         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2835         vec_perm for VSX and handle vec_promote_demote.
2836
2837 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2838
2839         PR middle-end/52177
2840         * builtins.c (fold_builtin_atomic_always_lock_free,
2841         expand_builtin_atomic_always_lock_free,
2842         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2843         Return and/or test boolean_true_node/boolean_false_node instead of
2844         integer_one_node/integer_zero_node.
2845
2846 2012-02-10  Jan Hubicka  <jh@suse.cz>
2847
2848         PR middle-end/48600
2849         * predict.c (predict_paths_for_bb): Prevent looping.
2850         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2851
2852 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2853
2854         * config/arm/arm.c (output_move_double): In one case properly
2855         count number of instructions that will be emitted.
2856
2857 2012-02-10  Richard Guenther  <rguenther@suse.de>
2858
2859         PR translation/52193
2860         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2861
2862 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2863
2864         PR middle-end/52140
2865         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2866
2867 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2868
2869         PR debug/52165
2870         * var-tracking.c (emit_note_insn_var_location): If
2871         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2872         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2873         non-NOTE_DURING_CALL_P insn.
2874
2875 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2876
2877         PR middle-end/51867
2878         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2879
2880 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2881
2882         PR driver/48524
2883         * gcc.c (switch_matches) Support switches with separated form,
2884         -D and -U.
2885
2886 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2887
2888         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2889         (SP_ADDR): Ditto.
2890         (RAMPZ_ADDR): Ditto.
2891         * config/avr/avr.c (avr_addr_t): New typedef.
2892         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2893         (avr_init_expanders): Initialize it.
2894         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2895         SREG_ADDR.
2896         (expand_epilogue): Ditto.
2897         (avr_print_operand): Ditto.
2898         (avr_file_start): Ditto.
2899         (avr_emit_movmemhi): Ditto.
2900
2901 2012-02-08  Richard Guenther  <rguenther@suse.de>
2902
2903         PR tree-optimization/46886
2904         * tree-flow.h (do_while_loop_p): Declare.
2905         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2906         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2907
2908 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2909
2910         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2911         always succeed for integers larger than a native word.
2912
2913 2012-02-08  Richard Guenther  <rguenther@suse.de>
2914
2915         PR rtl-optimization/52170
2916         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2917         properly handle integer vector modes.
2918
2919 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2920
2921         PR gcov-profile/52150
2922         * coverage.c: Include target.h.
2923         (build_var): Call targetm.strip_name_encoding on the assembler name.
2924         Change one _ into . or $ if the target allows it.
2925         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2926
2927         PR rtl-optimization/52139
2928         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2929         is a BARRIER after emit_insn_after_noloc, move BB_END
2930         to the last non-BARRIER insn before it.
2931
2932 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2933
2934         PR middle-end/24306
2935         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2936         (mips_gimplify_va_arg_expr): Call it instead of
2937         std_gimplify_va_arg_expr.
2938
2939 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2940
2941         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2942         message for -mno-pointers-to-nested-function.
2943
2944 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2945
2946         PR middle-end/51994
2947         * expr.c (get_inner_reference): If there is an offset, add a negative
2948         bit position to it (if any).
2949
2950 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2951
2952         PR rtl-optimization/52060
2953         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2954         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2955         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2956         and/or i0src_copy2 when needed.
2957
2958 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2959
2960         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2961         or LTOPLUGINSONAME if have_c.
2962
2963         * config/freebsd-spec.h: Add comment about what macros can be defined
2964         in this header.
2965         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2966         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2967         here instead.
2968
2969 2012-02-07  Richard Guenther  <rguenther@suse.de>
2970
2971         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2972         newline in -alias dumps.
2973
2974 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2975             Dave Korn  <dave.korn.cygwin@gmail.com>
2976
2977         PR target/40068
2978         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2979         Take care that typinfo gets dllexport-attribute.
2980
2981 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2982
2983         PR middle-end/52074
2984         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2985         if modifier < EXPAND_SUM call force_operand on the result.
2986
2987 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2988
2989         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2990         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2991         present.
2992         (epiphany_function_type): Replace types for specific interrupts with
2993         EPIPHANY_FUNCTION_INTERRUPT.
2994         (EPIPHANY_INTERRUPT_P): Update.
2995         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2996         New static function.
2997         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2998         <disinterrupt>: Affects type identity.
2999         (epiphany_handle_interrupt_attribute): Handle variable number of
3000         arguments.
3001         (epiphany_compute_function_type): Update for new
3002         epiphany_function_type definition.
3003         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3004         handlers with a longcall forwarder.
3005         (epiphany_start_function): Handle multiple interrupt arguments and/or
3006         forwarder_section attribute.
3007
3008         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3009         libgloss.
3010
3011 2012-02-07  Alan Modra  <amodra@gmail.com>
3012
3013         PR target/52107
3014         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3015         subregs of TFmode.
3016
3017 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3018
3019         PR tree-optimization/50969
3020         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3021         use vec_perm rather than vector_stmt.
3022         (vect_model_load_cost): Likewise.
3023         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3024         vec_perm to be the same as other vector statements.
3025         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3026         cost of vec_perm for TARGET_VSX.
3027
3028 2012-02-06  Richard Guenther  <rguenther@suse.de>
3029
3030         PR tree-optimization/52115
3031         * tree-sra.c (access_has_replacements_p): New function.
3032         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3033
3034 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3035
3036         PR middle-end/52047
3037         * trans-mem.c (expand_call_tm): Add an assertion.
3038         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3039         functions.
3040
3041 2012-02-06  Richard Guenther  <rguenther@suse.de>
3042
3043         PR tree-optimization/50955
3044         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3045         raise cost of expressions that replace an address with an
3046         expression based on a different pointer.
3047
3048 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3049
3050         PR target/52129
3051         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3052         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3053
3054 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3055
3056         PR c++/48680
3057         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3058         -Weffc++ and specify guidelines come from second edition.
3059
3060 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3061
3062         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3063         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3064         (call_direct_split, call_value_split, call_value_internal_direct)
3065         (call_value_direct_split, call_value_multiple_split): Use jal and
3066         jal_macro attributes.
3067
3068 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3069
3070         * reload1.c (reload_regs_reach_end_p): Replace with...
3071         (reload_reg_rtx_reaches_end_p): ...this function.
3072         (new_spill_reg_store): Update commentary.
3073         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3074         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3075         before setting new_spill_reg_store.
3076         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3077         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3078         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3079         for non-spill reload registers.
3080
3081 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3082
3083         PR tree-optimization/52091
3084         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3085         (vect_is_simple_use_1): Likewise.
3086         * tree-vect-loop.c (vectorizable_reduction): Update calls
3087         to vect_is_simple_use_1 and vect_is_simple_use.
3088         (vectorizable_live_operation): Likewise.
3089         * tree-vect-patterns.c (widened_name_p,
3090         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3091         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3092         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3093         vectorizable_shift,vectorizable_operation, vectorizable_store,
3094         vectorizable_load): Likewise.
3095         (vect_is_simple_cond): Add an argument, pass it to
3096         vect_is_simple_use_1.
3097         (vectorizable_condition): Update calls to vect_is_simple_cond,
3098         vect_is_simple_use.
3099         (vect_is_simple_use): Add an argument, the statement in which
3100         OPERAND is used.  Check that if OPERAND's def stmt is a double
3101         reduction phi node, the use is a phi node too.
3102         (vect_is_simple_use_1): Add an argument, pass it to
3103         vect_is_simple_use.
3104         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3105         to vect_is_simple_use.
3106
3107 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3108
3109         PR rtl-optimization/52095
3110         * modulo-sched.c (dump_insn_locator): New function.
3111         (loop_canon_p, sms_schedule): Use it.
3112
3113         PR rtl-optimization/52113
3114         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3115         even for decomposable shift/zext insns.
3116
3117 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3118             Zdenek Dvorak  <ook@ucw.cz>
3119
3120         PR rtl-optimization/52092
3121         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3122         on get_iv_value result.
3123
3124 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3125
3126         PR middle-end/47982
3127         PR middle-end/43967
3128         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3129
3130 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3131
3132         PR middle-end/48071
3133         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3134
3135 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3136
3137         PR rtl-optimization/49800
3138         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3139         (sched_finish): Call regstat_free_n_sets_and_refs.
3140
3141 2012-02-02  Jia Liu  <proljc@gmail.com>
3142
3143         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3144         than operand 2.
3145
3146 2012-02-02  Jan Hubicka  <jh@suse.cz>
3147             Tom de Vries  <tom@codesourcery.com>
3148
3149         PR middle-end/51998
3150         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3151         * varpool.c (varpool_analyze_pending_decls): Likewise.
3152
3153 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3154             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3155
3156         * config.gcc: Add cr16-* support.
3157
3158         * doc/extend.texi: Document cr16 extensions.
3159         * doc/install.texi: Document cr16 install.
3160         * doc/invoke.texi: Document cr16 options.
3161         * doc/md.texi: Document cr16 constraints.
3162
3163         * common/config/cr16/cr16-common.c: New file.
3164         * config/cr16/cr16.c: New file.
3165         * config/cr16/cr16.h: New file.
3166         * config/cr16/cr16.md: New file.
3167         * config/cr16/cr16.opt: New file.
3168         * config/cr16/cr16-protos.h: New file.
3169         * config/cr16/predicates.md: New file.
3170         * config/cr16/constraints.md: New file.
3171         * config/cr16/t-cr16: New file.
3172
3173 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3174
3175         PR target/52086
3176         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3177         that operands[2] is either immediate, or q_regs_operand.
3178
3179         PR tree-optimization/52073
3180         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3181         a pattern stmt for pattern uses, ignore uses outside of the loop.
3182
3183 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3184
3185         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3186         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3187         (OUT_AS1, OUT_AS2): Remove.
3188
3189 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3190
3191         PR rtl-optimization/51374
3192         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3193         to cross other volatile_refs_p insns.
3194
3195 2012-02-01  Richard Guenther  <rguenther@suse.de>
3196
3197         * doc/invoke.texi (fno-inline): Clarify documentation.
3198         (finline-small-functions): Likewise.
3199         (finline-functions): Likewise.
3200         * common.opt (finline): Adjust comment and documentation.
3201         (finline-small-functions): Clarify documentation.
3202         (finline-functions): Likewise.
3203         (finline-functions-called-once): Likewise.
3204
3205 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3206
3207         * c-typeck.c (composite_type): Keep mode for pointers.
3208
3209 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3210
3211         * function.h (regno_reg_rtx): Adjust comment.
3212         * reginfo.c (init_reg_modes_target): Only use the previous mode
3213         if it fits within one register.  Remove MIPS comment.
3214
3215 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3216
3217         PR bootstrap/52058
3218         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3219
3220 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3221
3222         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3223         to srak instruction.
3224
3225 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3226
3227         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3228
3229 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3230
3231         PR bootstrap/52041
3232         PR bootstrap/52039
3233         PR target/51974
3234         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3235
3236 2012-01-31  Richard Guenther  <rguenther@suse.de>
3237
3238         PR tree-optimization/51528
3239         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3240         assigns.
3241
3242 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3243
3244         PR bootstrap/52041
3245         PR bootstrap/52039
3246         PR target/51974
3247         * ree.c (add_removable_extension): Change def_map argument
3248         to unsigned *, store in def_map 1 + offset into *insn_list vector
3249         instead of pointers into the vector.
3250         (find_removable_extensions): Adjust caller.
3251
3252 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3253
3254         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3255         Transform all "* quoted-c-code" to { c-code }.
3256         Remove redundant test for "optimize" in combine patterns.
3257         Move (include "avr-dimode.md") to end of file.
3258
3259 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3260
3261         PR target/51835
3262         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3263         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3264
3265 2012-01-30  Richard Guenther  <rguenther@suse.de>
3266
3267         PR tree-optimization/52028
3268         * tree-loop-distribution.c (ldist_gen): Properly update
3269         virtual SSA form.
3270
3271 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3272
3273         PR debug/52027
3274         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3275         set_cur_line_info_table if not emitting debug info.
3276
3277         PR tree-optimization/52046
3278         * tree-vect-patterns.c (check_bool_pattern): Give up if
3279         a comparison could throw.
3280
3281         PR debug/52048
3282         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3283
3284 2012-01-30  Richard Guenther  <rguenther@suse.de>
3285
3286         PR tree-optimization/52045
3287         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3288         SSA form if cfgcleanup did anything.
3289
3290 2012-01-30  Richard Guenther  <rguenther@suse.de>
3291
3292         PR tree-optimization/52045
3293         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3294         before computing final todo.
3295
3296 2012-01-30  Richard Guenther  <rguenther@suse.de>
3297
3298         PR tree-optimization/51528
3299         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3300         for PR51528 fix.
3301
3302 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3303
3304         * df-problems.c (df_kill_notes): Check that the use refers
3305         to the note under examination.
3306
3307 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3308
3309         PR target/51920
3310         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3311         parameter and use short-lived pseudos.
3312         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3313         (sparc_expand_vector_init): Const-ify local variables and adjust
3314         calls to above functions.
3315
3316 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3317
3318         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3319
3320 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3321
3322         * doc/invoke.texi: Make usage of "compile time" and
3323         "run time"/"runtime" consistent throughout the file.
3324
3325 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3326
3327         * config/alpha/alpha.c (alpha_option_override): Default to
3328         full IEEE compliance mode for Go language.
3329
3330 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3331
3332         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3333         (LINK_SSP_SPEC): Define.
3334
3335 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3336
3337         PR target/51871
3338         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3339         stubs.
3340
3341 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3342
3343         * doc/invoke.texi: Correct hyphenation of "floating point",
3344         "double precision", and related terminology throughout the file.
3345
3346 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3347
3348         PR target/52006
3349         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3350         arm_general_register_operand predicate for operand 2 instead of
3351         register_operand.
3352
3353 2012-01-27  Ian Lance Taylor  <iant@google.com>
3354
3355         PR go/47656
3356         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3357         * builtins.c (expand_builtin_init_trampoline): Add onstack
3358         parameter.  Change caller.
3359         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3360         * tree.c (build_common_builtin_nodes): Declare
3361         __builtin_init_heap_trampoline.
3362
3363 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3364
3365         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3366         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3367         * config/avr/avr.c: Ditto.
3368         (avr_regnames): Remove because unused.
3369         * config/avr/avr.md (*cpse.ne): New peephole.
3370         (*cpse.eq): New peephole from former cpse peepholes.
3371
3372 2012-01-27  Michael Eager  <eager@eagercon.com>
3373
3374         * config/microblaze.c (microblaze_emit_compare): Correct
3375         test after pcmp instruction.
3376
3377 2012-01-27  Richard Guenther  <rguenther@suse.de>
3378
3379         PR tree-optimization/52020
3380         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3381
3382 2012-01-27  Richard Guenther  <rguenther@suse.de>
3383
3384         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3385         function non-const/pure.
3386
3387 2012-01-27  Richard Guenther  <rguenther@suse.de>
3388
3389         PR tree-optimization/50444
3390         * tree-sra.c (build_ref_for_offset): Properly adjust the
3391         MEM_REF type for unaligned accesses.
3392
3393 2012-01-27  Richard Guenther  <rguenther@suse.de>
3394
3395         PR tree-optimization/50444
3396         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3397         (expand_assignment): Use it.  Properly handle misaligned
3398         bases when expanding stores to component references.
3399         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3400         refactor that case.
3401
3402 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3403
3404         PR middle-end/51389
3405         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3406         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3407         * tree-data-ref.c (find_data_references_in_loop): Make static.
3408         (compute_all_dependences): Change return type to bool.  Bail out
3409         for too many datarefs in a loop.  Move the hunk resetting the data
3410         dependences vector from ...
3411         (compute_data_dependences_for_loop): ... here.  Account for
3412         compute_all_dependences returning false.
3413         (compute_data_dependences_for_bb): Likewise.
3414         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3415         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3416
3417 2012-01-27  Richard Guenther  <rguenther@suse.de>
3418
3419         PR middle-end/51959
3420         * expr.c (store_field): Use the alias-set of the scratch memory
3421         for storing to it.
3422
3423 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3424
3425         PR tree-optimization/51990
3426         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3427         WITH_SIZE_EXPR.
3428         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3429
3430 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3431
3432         PR debug/52001
3433         * var-tracking.c (reverse_op): Don't add any reverse operation
3434         if V already has any constant locations.
3435
3436 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3437
3438         * doc/invoke.texi: Correct usage of "command line" (noun)
3439         vs "command-line" (adjective) throughout.
3440
3441 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3442
3443         * doc/invoke.texi (Language Independent Options): Move
3444         -Wcoverage-mismatch blurb from here....
3445         (Warning Options): ...to here.
3446
3447 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3448
3449         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3450         Set rs6000_always_hint to false for 476.
3451
3452 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3453
3454         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3455           system root.
3456         * incpath.c (add_standard_paths): Likewise.
3457
3458 2012-01-27  Richard Henderson  <rth@redhat.com>
3459
3460         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3461         * config/m68k/sync.md (atomic_test_and_set): Rename from
3462         sync_test_and_setqi and adjust the operands.
3463         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3464         and unconditionally enable.
3465
3466 2012-01-27  Richard Henderson  <rth@redhat.com>
3467
3468         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3469         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3470         (ldstub): Rename from ldstubqi.
3471         (ldstub<I24MODE>): Remove.
3472
3473 2012-01-27  Richard Henderson  <rth@redhat.com>
3474
3475         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3476         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3477         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3478         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3479         * doc/tm.texi: Rebuild.
3480
3481 2012-01-27  Richard Henderson  <rth@redhat.com>
3482
3483         * optabs.c (gen_atomic_test_and_set): Remove default.
3484         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3485
3486 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3487
3488         PR rtl-optimization/51978
3489         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3490         (combine_reaching_defs): Likewise.
3491         (struct re_info): Remove.
3492         (add_removable_extension): Remove x and data arguments,
3493         add insn, insn_list and def_map.  Use the arguments directly
3494         instead of using struct re_info.
3495         (find_removable_extensions): Don't call add_removable_extension
3496         through note_stores, instead just call it with single_set
3497         result if non-NULL.
3498         (find_and_remove_re): Pass curr_cand->expr instead of
3499         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3500
3501 2012-01-26  Michael Matz  <matz@suse.de>
3502
3503         PR tree-optimization/46590
3504         * cfgexpand.c: Revert last change (r183305).
3505         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3506         regs.
3507         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3508         checking for emptiness.
3509
3510 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3511
3512         PR middle-end/51895
3513         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3514         non-addressable non-BLKmode base correctly.
3515
3516 2012-01-26  Michael Matz  <matz@suse.de>
3517
3518         PR tree-optimization/48794
3519         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3520         regions referenced from RESX/EH_DISPATCH.
3521
3522 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3523
3524         * config/s390/s390.h: Make BRANCH_COST an option.
3525         * config/s390/s390.opt: New option -mbranch-cost.
3526
3527 2012-01-26  Richard Henderson  <rth@redhat.com>
3528
3529         Revert 2012-01-24 change:
3530         * trans-mem.c (requires_barrier): Do not instrument thread local
3531         variables and emit save/restore for them.
3532
3533 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3534
3535         PR middle-end/51986
3536         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3537         for pat == 0.
3538