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1 2012-07-20  Andrey Belevantsev  <abel@ispras.ru>
2
3         Backport from mainline
4         2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
5
6         PR rtl-optimization/52250
7         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
8         to put note list into.  Unconditionally call move_bb_info.
9         (move_bb_info): Do not assert the blocks being in the same region,
10         just drop the note list if they are not.
11
12 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
13
14         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
15
16 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
17
18         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
19         defining statement is a SSA name that occurs in abnormal PHIs.
20
21 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
22
23         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
24         conversions.
25
26 2012-07-19  Richard Guenther  <rguenther@suse.de>
27             Eric Botcazou  <ebotcazou@adacore.com>
28
29         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
30         about transition from invariant to known bits.
31         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
32
33 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
34
35         PR middle-end/54017
36         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
37         (cleanup_tree_cfg_bb): Don't call it.
38         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
39         handling.
40
41 2012-07-19  Christian Bruel  <christian.bruel@st.com>
42
43         PR target/54029
44         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
45
46 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
47
48         * config.gcc (v850-*-rtems*): New target.
49         * config/v850/rtems.h: New.
50         * config/v850/t-rtems: New.
51
52 2012-07-18  Nick Clifton  <nickc@redhat.com>
53
54         * doc/invoke.texi (ARM Options): Document -munaligned-access.
55
56 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
57
58         PR target/53961
59
60         Backport from mainline
61         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
62
63         PR target/53110
64         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
65         instead expand it as zero extension.
66
67 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
68
69         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
70         QImode and HImode splitters.  Use ix86_comparison_operator.
71         Explicitly match FLAGS_REG.
72         (DFmode cmove splitter): Explicitly match FLAGS_REG.
73
74 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
75             Steven Bosscher  <steven@gcc.gnu.org>
76             Bernd Schmidt  <bernds@codesourcery.com>
77
78         PR rtl-optimization/53908
79         * df-problems.c (can_move_insns_across): When doing
80         memory-reference book-keeping, handle call insns.
81
82 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
83
84         Backport from mainline
85         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
86
87         PR target/53811
88         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
89         sibcall_insn_operand.  Move it to a temporary register if not.
90
91         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
92
93         PR target/53853
94         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
95         emit PIC sequence for fnaddr symbol reference in advance.
96
97 2012-07-09  Jason Merrill  <jason@redhat.com>
98
99         PR c++/53882
100         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
101         (type_hash_eq): Likewise.
102
103         PR c++/53826
104         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
105
106 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
107
108         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
109         due to negative shift amount.
110
111 2012-07-06  Kai Tietz  <ktietz@redhat.com>
112
113         Backport from mainline.
114         PR bootstrap/52947
115         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
116         as "/mingw/include".
117
118 2012-07-06  Nick Clifton  <nickc@redhat.com>
119
120         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
121         default_encode_section_info.
122
123 2012-07-06  Richard Guenther  <rguenther@suse.de>
124
125         Backport from mainline
126         2012-03-30  Richard Guenther  <rguenther@suse.de>
127
128         PR middle-end/52786
129         * double-int.c (rshift_double): Remove not needed cast.
130
131         2012-03-28  Richard Guenther  <rguenther@suse.de>
132
133         PR middle-end/50708
134         * double-int.h (rshift_double): Remove.
135         * double-int.c (lshift_double): Use absu_hwi to make count
136         positive.
137         (rshift_double): Make static, take unsigned count argument,
138         remove handling of negative count argument.
139         (double_int_rshift): Dispatch to lshift_double.
140
141 2012-07-06  Richard Guenther  <rguenther@suse.de>
142
143         Backport from mainline
144         2012-06-18  Richard Guenther  <rguenther@suse.de>
145
146         PR tree-optimization/53693
147         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
148         Reject operands with more than one use.
149
150 2012-07-06  Richard Guenther  <rguenther@suse.de>
151
152         Backport from mainline
153         2012-04-11  Richard Guenther  <rguenther@suse.de>
154
155         PR middle-end/52621
156         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
157         consider loop nesting.
158         (evolution_function_is_univariate_p): Properly check the remainder
159         for chrecs.
160
161 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
162
163         Backport from mainline
164         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
165
166         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
167         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
168         (adjacent_mem_locations): Move some code to and call...
169         (get_memref_parts): ...new function.
170         (mem_locations_overlap): New function.
171         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
172         (is_mem_ref): Rename to...
173         (find_mem_ref): ...this. Return MEM rtx.
174         (get_store_dest): Remove function.
175         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
176         new parameter and adjust calls.
177         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
178         mem refs overlap for true_store_to_load_dep_costly.
179         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
180         passed to adjacent_mem_locations.
181         (is_costly_group): Walk resolved dependency list.
182         (force_new_group): Emit group ending nop for Power6/Power7.
183         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
184         (group_ending_nop): New define_insn.
185
186 2012-07-04  Richard Guenther  <rguenther@suse.de>
187
188         PR middle-end/53433
189         * gimple-fold.c (get_base_constructor): Do not return an
190         error_mark_node DECL_INITIAL.
191
192 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
193
194         Backport from mainline
195         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
196
197         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
198         code model string in the error message.
199
200 2012-07-04  Tristan Gingold  <gingold@adacore.com>
201
202         Backport from mainline.
203         2012-06-25  Tristan Gingold  <gingold@adacore.com>
204
205         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
206         (seh_cfa_adjust_cfa): ... that function.
207         (seh_emit_stackalloc): Do not emit out of range values.
208         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
209         UNSPEC_DEF_CFA constants.
210         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
211         * config/i386/i386.c (ix86_frame_pointer_required): Required
212         for very large frames on SEH target.
213         (ix86_compute_frame_layout): Save area is before frame pointer
214         on SEH target.  Handle very large frames.
215         (ix86_expand_prologue): Likewise.
216
217 2012-07-04  Richard Guenther  <rguenther@suse.de>
218
219         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
220         as in free_lang_data_in_type.
221
222 2012-07-02  Martin Jambor  <mjambor@suse.cz>
223
224         Backport from mainline.
225         2012-07-02  Martin Jambor  <mjambor@suse.cz>
226
227         PR middle-end/38474
228         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
229         dynamic type change check.
230
231 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
232
233         * tree-eh.c (lower_try_finally_switch): Really put the location of the
234         last statement of the finally block onto the switch.
235
236 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
237
238         * configure: Regenerate.
239
240         Backport from mainline.
241         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
242
243         * config.gcc (target_type_format_char): New. Document it. Set it for
244         arm*-*-* .
245         * configure.ac (gnu_unique_option): Use target_type_format_char
246         in test.  Comment rationale.
247
248 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
249
250         Backport from mainline.
251         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
252
253         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
254
255 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
256
257         Backport from 2012-06-28 mainline r189049
258
259         PR 53595
260         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
261         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
262         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
263         avr_hard_regno_call_part_clobbered.
264
265 2012-06-28  Richard Guenther  <rguenther@suse.de>
266
267         PR middle-end/53790
268         * expr.c (expand_expr_real_1): Verify if the type is complete
269         before inspecting its size.
270
271 2012-06-27  Nick Clifton  <nickc@redhat.com>
272
273         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
274         input operand.
275
276 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
277
278         PR debug/53682
279         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
280
281 2012-06-26  Nick Clifton  <nickc@redhat.com>
282
283         * config/rx/rx.md (simple_return): Use the simple_return rtx.
284
285 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
286
287         PR target/53759
288         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
289         of x x x in the vmovlps load alternative.
290
291 2012-06-22  Richard Guenther  <rguenther@suse.de>
292
293         * gcov-iov.c: Include bconfig.h and system.h.
294
295 2012-06-22  Richard Guenther  <rguenther@suse.de>
296
297         PR gcov-profile/53744
298         * gcov-iov.c (main): Treat "" and "prerelease" the same.
299
300 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
301
302         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
303         DECL_IGNORED_P non-reg vars even if they are used.
304
305 2012-06-19  Jason Merrill  <jason@redhat.com>
306
307         PR c++/52637
308         * dwarf2out.c (modified_type_die): Use scope_die_for.
309         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
310         (uses_local_type_r, uses_local_type): New.
311         (scope_die_for): Keep a type that uses a local type in local scope.
312         Use get_context_die for namespace and type scope.
313
314 2012-06-19  Richard Guenther  <rguenther@suse.de>
315
316         PR middle-end/53470
317         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
318         replace it with the first non-BLOCK context.
319
320 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
321
322         PR rtl-optimization/53700
323
324         Backport from mainline
325         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
326
327         * ira-color.c (setup_left_conflict_sizes_p): Process all
328         conflicting objects.
329
330 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
331
332         Backport from mainline
333         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
334
335         PR target/52908
336         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
337         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
338         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
339         instead of xop_mulv2div2di3_low.
340         (xop_p<macs>dql): Fix vec_select selector.
341         (xop_p<macs>dqh): Ditto.
342         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
343         (xop_mulv2div2di3_high): Ditto.
344
345 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
346
347         Backport from mainline:
348         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
349
350         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
351
352 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
353
354         Backport from mainline:
355         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
356
357         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
358         * config/pa/pa.c (pa_attr_length_millicode_call): Use
359         MAX_PCREL17F_OFFSET instead of fixed offset.
360         (pa_attr_length_call): Likewise.
361         (pa_attr_length_indirect_call): Likewise.
362
363 2012-06-15  Walter Lee  <walt@tilera.com>
364
365         Backport from mainline:
366         2012-06-15  Walter Lee  <walt@tilera.com>
367
368         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
369
370         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
371
372         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
373
374 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
375
376         Backport from mainline:
377
378         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
379         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
380         * gimple.h (block_in_transaction): Check for flag_tm.
381
382 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
383
384         PR tree-optimization/52558
385
386         Backport from mainline:
387         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
388         * gimple.h (gimple_set_in_transaction): Remove.
389         (gimple_in_transaction): Look in BB instead.
390         (gimple_statement_base): Remove in_transaction field.
391         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
392         * trans-mem.c (compute_transaction_bits): Place transaction bit
393         information into basic blocks.
394
395         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
396
397         PR tree-optimization/52558
398         * cfg.c (alloc_aux_for_edge): Fix comment.
399         (alloc_aux_for_edge): Remove static.
400         * basic-block.h (alloc_aux_for_edge): Protoize.
401         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
402         (execute_sm_if_changed_flag): New.
403         (execute_sm_if_changed_flag_set): New.
404         (execute_sm): Do not generate data races unless requested.
405         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
406         (tree_ssa_lim_finalize): Call free_aux_for_edges.
407         * gimple.h (block_in_transaction): New.
408         (gimple_in_transaction): Use block_in_transaction.
409
410 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
411
412         Backported from mainline
413         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
414
415         PR rtl-optimization/53589
416         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
417         discovery even when e->dest != target.  If any LABEL_REF points
418         to e->dest label, redirect it to target's label.
419
420         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
421
422         PR middle-end/53580
423         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
424         returns false, replace stmt with GIMPLE_NOP.
425         (check_omp_nesting_restrictions): Instead of issuing warnings,
426         issue errors and return false if any errors were reported.
427
428 2012-06-14  Richard Guenther  <rguenther@suse.de>
429
430         * BASE-VER: Set to 4.7.2.
431         * DEV-PHASE: Set to prerelease.
432
433 2012-06-12  Christian Bruel  <christian.bruel@st.com>
434
435         PR target/53621
436         * config/sh/sh.c (sh_option_override): Don't force
437          flag_omit_frame_pointer and maccumulate_outgoing_args.
438         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
439
440 2012-06-14  Release Manager
441
442         * GCC 4.7.1 released.
443
444 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
445
446         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
447
448 2012-06-13  Richard Henderson  <rth@redhat.com>
449
450         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
451         iterator instead of INT.
452
453 2012-06-08  Richard Henderson  <rth@redhat.com>
454
455         PR c++/53602
456         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
457         note to a clobber insn when no other insn is available.
458
459 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
460
461         PR c++/53524
462         * doc/invoke.texi (Wenum-compare): Update documentation.
463
464 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
465
466         PR target/53559
467         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
468         operands.
469         (altivec_stvlxl): Ditto.
470         (altivec_stvrx): Ditto.
471         (altivec_stvrxl): Ditto.
472
473 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
474
475         PR middle-end/47530
476         * trans-mem.c (expand_block_edges): Do not skip the first
477         statement when resetting the BB.
478
479 2012-06-04  Richard Guenther  <rguenther@suse.de>
480
481         PR middle-end/53471
482         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
483         create new assembler names.
484
485 2012-06-04  Richard Guenther  <rguenther@suse.de>
486
487         Backport from mainline
488         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
489
490         PR middle-end/52979
491         * stor-layout.c (get_best_mode): Don't return mode with bitsize
492         larger than maxbits.  Don't compute maxbits modulo align.
493         Also check that unit bytes long store at bitpos / unit * unit
494         doesn't affect bits beyond bitregion_end.
495         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
496         would not fit into bitregion_start ... bitregion_end + 1 bit
497         region.
498         (store_split_bit_field): Decrease unit close to end of bitregion_end
499         if access is restricted in order to avoid mutual recursion.
500
501 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
502
503         Backport from 2012-06-04 mainline r188172
504
505         PR target/46261
506         * config/avr/avr-stdint.h: New file.
507         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
508         newlib-stdint.h
509
510 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
511
512         PR tree-optimization/53550
513         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
514         is POINTER_TYPE_P, use sizetype as step type instead of type.
515
516 2012-06-04  Richard Guenther  <rguenther@suse.de>
517             Eric Botcazou  <ebotcazou@adacore.com>
518
519         Backport from mainline
520         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
521
522         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
523         Change type of BITOFFSET to signed.  Make sure the lower bound of
524         the computed range is non-negative by adjusting OFFSET and BITPOS.
525         (expand_assignment): Adjust call to get_bit_range.
526
527         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
528
529         * expr.c (get_bit_range): Return the null range if the enclosing record
530         is part of a larger bit field.
531
532         2012-03-20  Richard Guenther  <rguenther@suse.de>
533
534         * stor-layout.c (finish_bitfield_representative): Fallback
535         to conservative maximum size if the padding up to the next
536         field cannot be computed as a constant.
537         (finish_bitfield_layout): If we cannot compute the distance
538         between the start of the bitfield representative and the
539         bitfield member start a new representative.
540         * expr.c (get_bit_range): The distance between the start of
541         the bitfield representative and the bitfield member is zero
542         if the field offsets are not constants.
543
544         2012-03-16  Richard Guenther  <rguenther@suse.de>
545
546         * stor-layout.c (finish_bitfield_representative): Fall back
547         to the conservative maximum size if we cannot compute the
548         size of the tail padding.
549
550         2012-03-14  Richard Guenther  <rguenther@suse.de>
551
552         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
553         * stor-layout.c (start_bitfield_representative): New function.
554         (finish_bitfield_representative): Likewise.
555         (finish_bitfield_layout): Likewise.
556         (finish_record_layout): Call finish_bitfield_layout.
557         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
558         for QUAL_UNION_TYPE fields.
559         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
560         Stream DECL_BIT_FIELD_REPRESENTATIVE.
561         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
562
563         PR middle-end/52080
564         PR middle-end/52097
565         PR middle-end/48124
566         * expr.c (get_bit_range): Unconditionally extract bitrange
567         from DECL_BIT_FIELD_REPRESENTATIVE.
568         (expand_assignment): Adjust call to get_bit_range.
569
570 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
571
572         PR middle-end/53501
573         * fold-const.c (fold_binary_loc): Refine previous change.
574
575 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
576
577         Backport from mainline
578         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
579
580         PR target/52667
581         * config/sh/sh.c (find_barrier): Add equality check of last_got to
582         avoid going above orig insn.  Update comments.
583
584 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
585
586         Backport from mainline
587         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
588
589         PR target/52642
590         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
591         prologue for unwinder and profiler.
592
593 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
594
595         Backport from mainline
596         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
597
598         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
599
600 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
601
602         Backport from mainline
603         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
604
605         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
606         DBX_REGISTER_NUMBER.
607
608 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
609
610         Backport from mainline
611         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
612
613         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
614         operand is CONST_INT.  Take COSTS_N_INSNS into account.
615         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
616         shiftcosts.     
617
618 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
619
620         * config/avr/avr.opt (-msp8): Document it.
621         * doc/invoke.texi (AVR Options): Copy from trunk docu.
622
623 2012-05-31  Richard Guenther  <rguenther@suse.de>
624
625         PR middle-end/48493
626         * expr.c (expand_assignment): Do not use movmisalign on
627         non-memory.
628
629 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
630
631         PR target/52999
632         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
633         (pa_section_type_flags): New.
634         (pa_legitimate_constant_p): Revert previous change.
635
636 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
637
638         Backport from mainline
639         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
640
641         PR middle-end/53008
642         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
643         accessed indirectly.
644         (ipa_tm_create_version): Same.
645
646 2012-05-30  Jason Merrill  <jason@redhat.com>
647
648         PR c++/53220
649         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
650         about array compound literals.
651
652 2012-05-30  Richard Guenther  <rguenther@suse.de>
653
654         PR middle-end/53501
655         * fold-const.c (fold_binary_loc): Make sure to call
656         fold_plusminus_mult_expr with the original sign of operands.
657
658 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
659
660         * explow.c (probe_stack_range): Restore simple control flow and stop
661         again when the probe cannot be generated if HAVE_check_stack.
662
663 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
664
665         PR rtl-optimization/53519
666         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
667         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
668
669 2012-05-29  Richard Guenther  <rguenther@suse.de>
670
671         PR tree-optimization/53516
672         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
673         bitfield accesses.
674         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
675
676 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
677
678         Backport from mainline
679         2012-05-28  Richard Guenther  <rguenther@suse.de>
680
681         PR tree-optimization/53438
682         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
683
684 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
685
686         Backport from mainline
687         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
688
689         PR rtl-optimization/52528
690         * combine.c (can_combine_p): Add setting of subst_low_luid
691         before call to expand_field_assignment().
692
693 2012-05-26  Martin Jambor  <mjambor@suse.cz>
694
695         Backport from mainline
696         2012-05-23  Martin Jambor  <mjambor@suse.cz>
697
698         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
699
700 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
701
702         PR lto/52178
703         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
704         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
705
706 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
707
708         PR target/53435
709         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
710         (ix86_expand_vec_perm): Use int mode instead of float.
711
712 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
713
714         PR ada/52362
715         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
716         gnu_ld variables to yes.
717         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
718         (HAVE_GNU_AS): Likewise.
719         * config.in: Regenerate.
720         * configure: Likewise.
721
722 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
723
724         Backport from mainline
725         2012-03-12  Richard Guenther  <rguenther@suse.de>
726         * config/arm/arm.c (neon_dereference_pointer): Do not call
727         covert during RTL expansion.
728
729 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
730
731         Backport from mainline
732         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
733
734         PR target/53385
735         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
736         relied on signed overflow behavior.
737
738 2012-05-24  Richard Guenther  <rguenther@suse.de>
739
740         PR middle-end/53460
741         * tree-profile.c (tree_profiling): Cleanup the CFG if
742         execute_fixup_cfg requests it.
743
744 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
745
746         PR tree-optimization/53465
747         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
748         vr0 into *vr, then vrp_meet that.
749         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
750         have any equivalences.
751         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
752         first time.
753
754 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
755
756         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
757         size handling.
758         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
759         (iterative_hash_gimple_type): Adjust comment.
760         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
761         domain for an array type instead of the domain type itself.
762
763 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
764
765         Backport from 2012-05-23 mainline r187803
766
767         PR target/53448
768         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
769         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
770         ASM_OUTPUT_ALIGN.
771
772 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
773
774         Backport from 2012-05-03 mainline r187075
775
776         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
777         has_fma4 for AMD processors with both fma3 and fma4 support.
778
779 2012-05-22  Richard Guenther  <rguenther@suse.de>
780
781         PR tree-optimization/53408
782         * tree-vect-loop.c (vectorizable_induction): Properly check
783         the restriction that we cannot handle induction results from
784         the inner loop outside of the outer loop.
785
786 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
787
788         PR tree-optimization/53436
789         * omp-low.c (omp_build_component_ref): New function.
790         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
791
792         PR tree-optimization/53366
793         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
794         tests if complex_numbers == 2, but there are non-complex number loads
795         too.
796
797         PR tree-optimization/53409
798         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
799         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
800
801         PR tree-optimization/53410
802         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
803         instead of build_int_cst (type, 0) where vector types might be
804         involved.
805
806 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
807
808         PR c/53418
809         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
810         from folded operands before wrapping another around the
811         conditional expression.
812
813 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
814             Patrick Marlier  <patrick.marlier@gmail.com>
815
816         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
817         indirect calls.
818
819 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
820
821         Backport from mainline
822         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
823
824         PR target/53416
825         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
826         (UNSPECV_RDRAND): This.
827         (rdrand<mode>_1): Updated.
828
829 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
830
831         Backport from mainline
832         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
833
834         * config/i386/driver-i386.c (host_detect_local_cpu): Support
835         RDRND, F16C and FSGSBASE.
836
837 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
838
839         Backport from mainline
840         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
841
842         * tree-ssa-pre.c (can_value_number_call): Delete.
843         (compute_avail): Skip all statements with side effects.
844         <GIMPLE_CALL>: Skip calls to internal functions.
845
846 2012-05-18  David S. Miller  <davem@davemloft.net>
847
848         Backport r185385 from mainline
849         2012-03-14  Richard Guenther  <rguenther@suse.de>
850
851         PR middle-end/52584
852         * tree-vect-generic.c (type_for_widest_vector_mode): Take
853         element type instead of mode, use build_vector_type_for_mode
854         instead of the langhook, build a vector of proper signedness.
855         (expand_vector_operations_1): Adjust.
856
857 2012-05-18  Olivier Hainque  <hainque@adacore.com>
858
859         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
860         $(libsubdir) as libexecsubdir.
861
862 2012-05-16  Andrew Pinski  <apinski@cavium.com>
863
864         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
865         GIMPLE_ASSIGN.
866
867 2012-05-16  David S. Miller  <davem@davemloft.net>
868
869         * jump.c (delete_related_insns): If we remove a CALL, make sure
870         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
871
872 2012-05-16  Richard Henderson  <rth@redhat.com>
873
874         PR debug/52727
875         * combine-stack-adj.c (prev_active_insn_bb): New.
876         (next_active_insn_bb): New.
877         (force_move_args_size_note): New.
878         (combine_stack_adjustments_for_block): Use it.
879
880 2012-05-16  Olivier Hainque  <hainque@adacore.com>
881
882         * Makefile.in (install-no-fixedincludes): New target, former toplevel
883         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
884         Add comments and improve stamp preservation across the whole sequence.
885         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
886
887 2012-05-16  Richard Guenther  <rguenther@suse.de>
888
889         PR tree-optimization/53364
890         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
891         detect a view-conversion of the decl.
892
893 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
894
895         PR target/53358
896         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
897         that operands[2] is either immediate, or q_regs_operand.
898
899 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
900
901         Backport r187139 from mainline.
902         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
903
904         PR rtl-optimization/52804
905         * reload1.c (reload_reg_reaches_end_p): Check whether successor
906         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
907         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
908         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
909         RELOAD_FOR_OUTADDR_ADDRESS.
910
911 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
912
913         PR target/46098
914         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
915         generate target register for "load" class builtins.
916
917         Revert:
918         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
919
920         PR target/46098
921         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
922         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
923         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
924         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
925         (<sse>_movu<ssemodesuffix>): New expander.
926         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
927         (avx_movdqu<avxmodesuffix>): New expander.
928         (*sse2_movdqu): Rename from sse2_movdqu.
929         (sse2_movdqu): New expander.
930
931 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
932
933         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
934         lineno 1 the same as lineno 0 before first start file directive.
935         (optimize_macinfo_range): Likewise.
936
937         * dwarf2out.c (have_macinfo): Define.
938         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
939         attribute, don't force empty compilation unit and don't emit any
940         .debug_macinfo/.debug_macro section if macinfo_table is empty.
941
942 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
943
944         Backport from mainline
945         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
946
947         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
948         ORDERED and UNORDERED conditions.
949
950 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
951
952         * function.c (requires_stack_frame_p): If the function can throw
953         non-call exceptions, return true if the insn can throw internally.
954
955 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
956
957         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
958         DECL_ORIGINAL_TYPE if it is present.
959
960 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
961
962         Backport from 2012-05-12 mainline r187342.
963
964         PR target/53256
965         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
966         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
967         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
968         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
969         (expand_prologue): Move initialization of cfun->machine->is_naked,
970         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
971         (avr_set_current_function): ...this new static function.
972         (TARGET_SET_CURRENT_FUNCTION): New define.
973         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
974         checking attributes of current_function_decl.
975         (avr_regs_to_save): Ditto.
976         (signal_function_p): Rename to avr_signal_function_p.
977         (interrupt_function_p): Rename to avr_interrupt_function_p.
978
979         * doc/extend.texi (Function Attributes): Better explanation of
980         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
981         alphabetical order.
982
983 2012-05-09  Matthias Klose  <doko@ubuntu.com>
984
985         * gcc-ar.c (main): Don't check for execute bits for the plugin.
986
987 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
988
989         PR target/53272
990         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
991         when a constant source operand matches an "I" constraint, the "no
992         CC0 change" applies to a register-destination only, not a
993         strict_low_part-destination.
994
995 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
996
997         Backport from mainline:
998         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
999
1000         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
1001
1002 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
1003
1004         PR tree-optimization/53239
1005         * tree-vrp.c (get_value_range): Set VR of
1006         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
1007         to nonnull.
1008
1009 2012-05-07  Richard Guenther  <rguenther@suse.de>
1010
1011         PR tree-optimization/53195
1012         * tree-inline.c (setup_one_parameter): Properly add referenced
1013         vars from the parameters new known value.
1014
1015 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1016
1017         Backport from mainline:
1018         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1019
1020         PR target/52999
1021         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1022         in constant pool.
1023
1024 2012-05-04  Ian Lance Taylor  <iant@google.com>
1025
1026         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1027         values from false to NULL.
1028
1029 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         Backport from mainline
1032         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1033
1034         PR target/53228
1035         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1036         (TARGET_CMOV): Rename from TARGET_CMOVE.
1037         (TARGET_CMOVE): New define.
1038         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1039         Do not set TARGET_CMOVE here.
1040
1041 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1042
1043         Backport from mainline:
1044
1045         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1046
1047         PR tree-optimization/52633
1048         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1049         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1050         (vect_recog_over_widening_pattern): Remove handling of code that was
1051         already detected as over-widening pattern.  Remove special handling
1052         of "unsigned" cases.  Instead, support general case of conversion
1053         of the shift result to another type.
1054
1055         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1056
1057         * tree-vect-patterns.c (vect_single_imm_use): New function.
1058         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1059         (vect_recog_over_widening_pattern): Likewise.
1060         (vect_recog_widen_shift_pattern): Likewise.
1061
1062         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1063
1064         PR tree-optimization/52870
1065         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1066         presumed pattern statement is within the same loop or basic block.
1067
1068 2012-05-04  Richard Guenther  <rguenther@suse.de>
1069
1070         * common.opt (flto-report): Do not mark as Optimization.
1071
1072 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1073
1074         PR target/48496
1075         * recog.c (constrain_operands): If extra constraints are present, also
1076         accept pseudo-registers with equivalent memory locations during reload.
1077
1078 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1079
1080         Backport from the mainline
1081         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1082
1083         PR target/53199
1084         * config/rs6000/rs6000.md (bswapdi splitters): If
1085         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1086         default) is used, generate an alternate sequence that does not
1087         depend on using indexed addressing.
1088
1089 2012-05-03  David S. Miller  <davem@davemloft.net>
1090
1091         PR target/52684
1092         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1093         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1094         (sparc_emit_float_lib_cmp): Likewise.
1095
1096 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1097
1098         Backport from mainline
1099         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1100
1101         PR lto/52605
1102         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1103         of a variable when the contect is a function.
1104
1105 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1106
1107         PR plugins/53126
1108         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1109         append program name to it and pass that as first argument
1110         to make_relative_prefix.  Always pass standard_libexec_prefix
1111         as last argument to make_relative_prefix.  If
1112         make_relative_prefix returns NULL, fall back to
1113         standard_libexec_prefix.
1114
1115         PR debug/53174
1116         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1117         removed.
1118
1119         PR target/53187
1120         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1121         mode, return that mode.
1122
1123 2012-05-03  Richard Guenther  <rguenther@suse.de>
1124
1125         PR tree-optimization/53144
1126         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1127         Rename to ...
1128         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1129         with SSA name values.
1130         (vn_reference_lookup_3): Adjust callers.
1131
1132 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1133
1134         PR tree-optimization/53163
1135         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1136         return value from compute_all_dependences.
1137
1138         PR rtl-optimization/53160
1139         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1140         has been modified by ree pass already.
1141
1142 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1143
1144         Backport from mainline
1145         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1146
1147         PR middle-end/53136
1148         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1149         calls to cgraph_node_name in xstrdup.
1150         (ipa_make_edge_direct_to_target): Ditto.
1151         * tree-sra.c (convert_callers_for_node): Ditto.
1152         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1153         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1154         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1155         (cgraph_materialize_all_clones): Ditto.
1156         * ipa-inline.c (report_inline_failed_reason): Ditto.
1157         (want_early_inline_function_p): Ditto.
1158         (edge_badness): Ditto.
1159         (update_edge_key): Ditto.
1160         (flatten_function): Ditto.
1161         (ipa_inline): Ditto.
1162         (inline_always_inline_functions): Ditto.
1163         (early_inline_small_functions): Ditto.
1164
1165 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1166
1167         Backport from mainline
1168         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1169
1170         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1171         Introduce emul_name to select the right linker emulation for
1172         powerpc64-*-freebsd*.
1173         * configure: Regenerate.
1174         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1175         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1176         * config/rs6000/freebsd64.h: New file.
1177         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1178         POWERPC_FREEBSD.
1179         (rs6000_savres_strategy): Likewise.
1180         (rs6000_savres_routine_name): Likewise.
1181         (rs6000_elf_file_end): Likewise.
1182         * config/rs6000/t-freebsd64: New file.
1183         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1184         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1185
1186 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1187
1188         Backport from mainline
1189         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1190
1191         PR target/53138
1192         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1193
1194 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1195
1196         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1197         predicate to discriminate types.
1198
1199 2012-04-27  Richard Guenther  <rguenther@suse.de>
1200
1201         PR c/51527
1202         * convert.c (convert_to_integer): Avoid infinite recursion for
1203         target-defined built-in types.
1204
1205 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1206
1207         PR target/53120
1208         * config/cris/cris.md ("*andhi_lowpart_v32")
1209         ("*andqi_lowpart_v32"): Change first input-only operand from
1210         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1211         const_int-matching constraints for redundancy.
1212         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1213         three-operand alternative.
1214
1215 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1216
1217         Backport from mainline
1218         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1219
1220         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1221         (*addsi_2_zext): Ditto.
1222         (*add<mode>_3): Ditto.
1223         (*addsi_3_zext): Ditto.
1224         (*add<mode>_5): Ditto.
1225
1226 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1227
1228         PR c/52880
1229         * c-typeck.c (set_nonincremental_init,
1230         set_nonincremental_init_from_string): Pass true instead of false
1231         as IMPLICIT to add_pending_init.
1232
1233 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1234
1235         Backport from 2012-04-24 mainline r186768.
1236
1237         PR target/53065
1238         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1239
1240 2012-04-24  Richard Guenther  <rguenther@suse.de>
1241
1242         PR tree-optimization/53085
1243         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1244         stores.
1245
1246 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1247
1248         PR middle-end/53084
1249         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1250         of MEM_REF.
1251         (output_addressed_constants): Likewise.
1252
1253         PR middle-end/52999
1254         * varasm.c (get_section): Don't ICE for section conflicts with
1255         built-in section kinds.
1256
1257 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1258
1259         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1260
1261 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1262
1263         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1264
1265 2012-04-23  Richard Guenther  <rguenther@suse.de>
1266
1267         PR c/53060
1268         * c-typeck.c (build_binary_op): Fix typo.
1269
1270 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1271
1272         PR tree-optimizations/52891
1273         * tree-vect-patterns.c (adjust_bool_pattern): Use
1274         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1275         but with non-standard precision.
1276
1277 2012-04-22  Ian Lance Taylor  <iant@google.com>
1278
1279         * godump.c (go_output_typedef): Dump size of structs.
1280
1281 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1282
1283         Backport from mainline:
1284
1285         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1286         hints for 'A' operand types.
1287
1288 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1289
1290         Backport from 2012-04-19 mainline r186588.
1291
1292         PR target/53033
1293         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1294         the case *(X+const).
1295
1296 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1297
1298         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1299
1300 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1301
1302         PR target/53020
1303         * config/i386/sync.md (atomic_<code><mode>): Rename to
1304         atomic_<logic><mode>.
1305
1306 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1307
1308         Backport from mainline
1309         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1310
1311         PR target/52932
1312         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1313         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1314         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1315         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1316         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1317         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1318         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1319         gen_avx2_permvarv8sf.
1320
1321 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1322
1323         Backported from mainline
1324
1325         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1326         PR middle-end/52939
1327
1328         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1329         fold_ctor_reference returns a zero constant.
1330
1331 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1332
1333         Backported from mainline
1334         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1335
1336         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1337         and __ILP32__ for x32.
1338
1339 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1340
1341         Backport from mainline r186418.
1342
1343         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1344
1345         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1346         parameters vuse and vuse_escaped.
1347         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1348         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1349         vuse1 != vuse2.
1350
1351 2012-04-13  Richard Guenther  <rguenther@suse.de>
1352
1353         PR tree-optimization/52969
1354         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1355         the condition for the COND_EXPR and handle predicate negation
1356         by swapping the COND_EXPR arms.
1357
1358 2012-04-13  Richard Guenther  <rguenther@suse.de>
1359
1360         PR c/52862
1361         * convert.c (convert_to_pointer): Remove special-casing of
1362         zero.
1363
1364 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1365
1366         Backport from mainline
1367         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1368
1369         PR target/52775
1370         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1371         the list of options to enable the FCFID instruction.
1372         (TARGET_EXTRA_BUILTINS): Adjust comment.
1373
1374 2012-04-12  Richard Guenther  <rguenther@suse.de>
1375
1376         PR tree-optimization/52943
1377         * tree-chrec.h (chrec_is_positive): Remove.
1378         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1379         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1380         Return false for a constant zero instead of negative.
1381         (analyze_siv_subscript_cst_affine): Handle zero difference
1382         in the initial condition explicitely.
1383
1384 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1385
1386         PR middle-end/52894
1387         * varasm.c (process_pending_assemble_externals): Set
1388         pending_assemble_externals_processed true.
1389         (assemble_external): Call assemble_external_real if the pending
1390         assemble externals have been processed.
1391
1392 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1393
1394         PR target/52717
1395         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1396         the DECL generated for the special GOT helper.
1397
1398 2012-04-06  Walter Lee  <walt@tilera.com>
1399
1400         Backport from mainline
1401         2012-03-07  Walter Lee  <walt@tilera.com>
1402
1403         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1404         REG_CFA_* notes for the stack pointer.
1405         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1406         EH_RETURN_STACKADJ_RTX.
1407         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1408         generate REG_CFA_* notes for the stack pointer.
1409         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1410         by EH_RETURN_STACKADJ_RTX.
1411
1412 2012-04-06  Matt Turner  <mattst88@gmail.com>
1413
1414         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1415
1416 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1417
1418         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1419         of the destination isn't also a FP_REGS register.
1420
1421 2012-04-03  Richard Guenther  <rguenther@suse.de>
1422
1423         Backport from mainline
1424         2012-03-02  Richard Guenther  <rguenther@suse.de>
1425
1426         PR tree-optimization/52406
1427         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1428         (struct indices): Add unconstrained_base member.
1429         (struct dr_alias): Remove unused vops member.
1430         (DR_UNCONSTRAINED_BASE): New define.
1431         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1432         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1433         be an artificial access that covers the whole indexed object,
1434         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1435         plain decl base-objects to their MEM_REF variant.
1436         (dr_may_alias_p): When the base-object of either data reference
1437         has unknown size use only points-to information.
1438         (compute_affine_dependence): Make dumps easier to read and
1439         more verbose.
1440         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1441         DR_REF when looking for packed references.
1442         (vect_supportable_dr_alignment): Likewise.
1443
1444 2012-04-03  Richard Guenther  <rguenther@suse.de>
1445
1446         Backport from mainline
1447         2012-03-15  Richard Guenther  <rguenther@suse.de>
1448
1449         PR middle-end/52580
1450         * tree-data-ref.c (subscript_dependence_tester_1): Check
1451         all dimensions for non-conflicting access functions.
1452
1453 2012-04-03  Richard Guenther  <rguenther@suse.de>
1454
1455         Backport from mainline
1456         2012-03-06  Richard Guenther  <rguenther@suse.de>
1457
1458         PR middle-end/52493
1459         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1460
1461         2012-03-23  Richard Guenther  <rguenther@suse.de>
1462
1463         PR tree-optimization/52678
1464         * tree-vectorizer.h (struct _stmt_vec_info): Add
1465         loop_phi_evolution_part member.
1466         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1467         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1468         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1469         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1470         Use the cached evolution part and the PHI nodes value from
1471         the loop preheader edge instead of re-analyzing the evolution.
1472
1473         2012-03-26  Richard Guenther  <rguenther@suse.de>
1474
1475         PR tree-optimization/52701
1476         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1477         compute and set the evolution part of PHI nodes.
1478
1479         2012-03-30  Richard Guenther  <rguenther@suse.de>
1480
1481         PR tree-optimization/52754
1482         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1483         propagate arbitrary addresses into really plain dereferences.
1484
1485 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1486
1487         PR tree-optimization/52835
1488         * tree-data-ref.c (build_rdg): Return NULL if
1489         compute_data_dependences_for_loop failed.
1490
1491 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1492
1493         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1494         (stmt_can_make_abnormal_goto): Use it.
1495         (is_ctrl_altering_stmt): Likewise.
1496
1497 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1498
1499         Backported from mainline
1500         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1501
1502         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1503         is a builtin_stack_save in a dominating BB.
1504
1505 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1506
1507         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1508         crossing 128bit lane boundary.
1509
1510 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1511
1512         Backported from mainline
1513         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1514
1515         PR target/52698
1516         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1517         New prototype.
1518         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1519         * config/i386/i386.c: Include reload.h.
1520         (ix86_legitimize_reload_address): New function.
1521
1522 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1523
1524         Backported from mainline
1525         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1526
1527         PR middle-end/52693
1528         * tree-sra.c (sra_modify_assign): Do not call
1529         load_assign_lhs_subreplacements when working with an unscalarizable
1530         region.
1531
1532 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1533
1534         PR middle-end/52691
1535         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1536         __builtin_va_start to __builtin_next_arg if the latter is
1537         builtin_decl_explicit_p rather than when it is not.
1538
1539         PR middle-end/52750
1540         * tree-vect-generic.c (vector_element): Perform multiplication
1541         for pos in bitsizetype type instead of idx type.
1542
1543 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1544
1545         Backport from 2012-03-28 mainline r185910.
1546
1547         PR target/52692
1548         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1549         (avr_builtin_decl): New static function.
1550         (struct avr_builtin_description, avr_bdesc): Move up.
1551         Add GTY marker. Add field fndecl. Remove redundant field id.
1552         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1553         (avr_expand_builtin): Code cleanup because .id is removed.
1554
1555 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1556
1557         PR middle-end/51893
1558         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1559         targets.
1560
1561 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1562
1563         Backport from 2012-03-28 mainline r185907.
1564
1565         PR target/52737
1566         * config.gcc (tm_file): Remove avr/multilib.h.
1567
1568         * doc/invoke.texi (AVR Options): Adjust
1569         documentation of -mtiny-stack.
1570
1571         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1572         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1573         * config/avr/t-avr: Remove generation of multilib.h.
1574         * config/avr/t-multilib: Regenerate.
1575         * config/avr/multilib.h: Remove.
1576         * config/avr/avr.opt (-msp8): New option.
1577         (avr_sp8): New variable.
1578         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1579         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1580         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1581         (avr_device_to_sp8): New prototype.
1582         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1583         (DRIVER_SELF_SPECS): New define.
1584         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1585         __AVR_SP8__, __AVR_HAVE_SPH__.
1586         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1587         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1588         (avr_file_start): Ditto.
1589
1590 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1591
1592         PR target/52736
1593         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1594         instead of 8 in adjust_address.
1595
1596 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1597
1598         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1599         of a unit before computing the offset in units.
1600
1601 2012-03-27  Richard Guenther  <rguenther@suse.de>
1602
1603         PR middle-end/52720
1604         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1605         explicitely.
1606
1607 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1608
1609         PR target/52610
1610         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1611
1612 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1613
1614         PR middle-end/52640
1615         * varasm.c: Include pointer-set.h.
1616         (pending_assemble_externals_set): New pointer set.
1617         (process_pending_assemble_externals): Destroy the pointer set.
1618         (assemble_external): See if decl is in pending_assemble_externals_set,
1619         and add it to pending_assemble_externals if necessary.
1620         (init_varasm_once): Allocate pending_assemble_externals_set.
1621
1622 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1623
1624         Backported from mainline
1625         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1626
1627         PR target/50310
1628         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1629         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1630         (vector_ltgt<mode>): Likewise.
1631         (vector_ordered<mode>): Likewise.
1632         (vector_unordered<mode>): Likewise.
1633         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1634
1635 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1636
1637         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1638         Make static.
1639
1640 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1641
1642         Backported from mainline
1643         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1644
1645         PR target/48596
1646         PR target/48806
1647         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1648         GENERAL_REGS and FP_REGS for SImode.
1649
1650 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1651
1652         PR middle-end/52547
1653         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1654         on any new_local_var_chain vars declared during recursing on
1655         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1656
1657 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1658
1659         Backport from 2012-03-22 mainline r185692.
1660
1661         PR target/52496
1662         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1663         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1664         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1665         (delay_cycles_1, delay_cycles_2): Ditto.
1666         (delay_cycles_3, delay_cycles_4): Ditto.
1667         (nopv, *nopv): Ditto.
1668         (sleep, *sleep): Ditto.
1669         (wdr, *wdr): Ditto.
1670
1671         Backport from 2012-03-21 mainline r185605.
1672
1673         PR rtl-optimization/52543
1674         PR target/52461
1675         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1676         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1677         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1678         (avr_load_libgcc_p): Restrict to __flash loads.
1679         (avr_out_lpm): Only handle 1-byte loads from __flash.
1680         (avr_load_lpm): New function.
1681         (avr_find_unused_d_reg): Remove.
1682         (avr_out_lpm_no_lpmx): Remove.
1683         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1684         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1685         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1686         (load_<mode>, load_<mode>_clobber): New insns.
1687         (mov<mode>): For multi-byte move from non-generic
1688         16-bit address spaces: Expand to load_<mode> resp.
1689         load_<mode>_clobber.
1690         (load<mode>_libgcc): Remove expander.
1691         (split-lpmx): Remove split.
1692
1693         Backport from 2012-03-13 mainline r185329.
1694
1695         PR target/52488
1696         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1697         offset (size) to a value the insns can deal with.
1698         (expand_epilogue): Ditto.
1699
1700         Backport from 2012-03-12 mainline r185256.
1701
1702         PR target/52499
1703         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1704         type from reg_class_t to enum reg_class.
1705         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1706
1707         Backport from 2012-03-12 mainline r185253.
1708
1709         PR target/52148
1710         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1711         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1712         r184615 from 2012-02-28.
1713
1714         Backport from 2012-03-08 mainline r185105.
1715
1716         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1717         for constants in [-63,63].
1718
1719         Backport from 2012-03-08 mainline r185100.
1720
1721         PR target/52496
1722         * config/avr/avr.c (avr_mem_clobber): New static function.
1723         (avr_expand_delay_cycles): Add memory clobber operand to
1724         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1725         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1726         (enable_interrupt, disable_interrupt): New expander.
1727         (nopv, sleep, wdr): New expanders.
1728         (delay_cycles_1): Add memory clobber.
1729         (delay_cycles_2): Add memory clobber.
1730         (delay_cycles_3): Add memory clobber.
1731         (delay_cycles_4): Add memory clobber.
1732         (cli_sei): New insn from former "enable_interrupt",
1733         "disable_interrupt" with memory clobber.
1734         (*wdt): New insn from former "wdt" with memory clobber.
1735         (*nopv): Similar, but for "nopv".
1736         (*sleep): Similar, but for "sleep".
1737
1738         Backport from 2012-03-07 mainline r185043.
1739
1740         PR target/52484
1741         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1742
1743         Backport from 2012-03-07 mainline r185032.
1744
1745         PR target/52506
1746         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1747         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1748         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1749
1750         Backport from 2012-03-07 mainline r185031.
1751
1752         PR target/52505
1753         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1754         from RAM.
1755         * config/avr/avr.md (xload_8): Adjust insn length.
1756
1757         Backport from 2012-03-07 mainline r185030.
1758
1759         PR target/52461
1760         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1761         if RAMPZ affects reading from RAM.
1762
1763         Backport from 2012-03-05 mainline r184919.
1764
1765         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1766
1767 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1768
1769         Backport from mainline r185259.
1770
1771         PR other/52545
1772         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1773         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1774
1775 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1776
1777         Backported from mainline
1778         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1779
1780         PR c/52577
1781         * c-parser.c (c_parser_postfix_expression)
1782         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1783
1784         * config/i386/smmintrin.h: Avoid /* within a comment.
1785         * config/i386/nmmintrin.h: Likewise.
1786
1787 2012-03-22  Richard Guenther  <rguenther@suse.de>
1788
1789         * BASE-VER: Set to 4.7.1.
1790         * DEV-PHASE: Set to prerelease.
1791
1792 2012-03-22  Release Manager
1793
1794         * GCC 4.7.0 released.
1795
1796 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1797
1798         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1799
1800 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1801             Andrew Pinski  <apinski@cavium.com>
1802
1803         PR middle-end/52592
1804         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1805         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1806         calls instead of __builtin_ir{int,ound}*.
1807
1808 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1809
1810         PR c++/52582
1811         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1812         if c_node is NULL.
1813
1814 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1815
1816         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1817         Refer to GCC 4.7 version of c99status.html.
1818
1819 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1820
1821         Backport from mainline
1822         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1823
1824         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1825         redefine to be NULL if the current bit-size is different from the
1826         configured bit-size.
1827
1828         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1829         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1830         set the default tuning.  Add asserts to make sure the cpu and tune
1831         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1832         test whether the index is set, instead of > 0.
1833         (rs6000_file_start): Do not reset the default cpu if the current
1834         bit-size is different from the configured bit-size.
1835
1836 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1837
1838         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1839         binutils reference.
1840         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1841         Update binutils references.
1842         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1843         Update binutils reference.
1844         Update Sun as/GNU ld caveat.
1845         Document binutils largefile requirement for LTO plugin.
1846         Remove reference to alternate libpthread.
1847
1848 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1849
1850         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1851         reference.
1852         (Specific, mips-sgi-irix6): Likewise.
1853
1854 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1855
1856         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1857         * configure: Regenerate.
1858
1859 2012-03-07  Richard Henderson  <rth@redhat.com>
1860
1861         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1862         * config/m68k/sync.md (atomic_test_and_set): Use it.
1863         (atomic_test_and_set_1): Likewise.
1864
1865 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1866
1867         PR target/51417
1868         * Makefile.in: Let install-gcc-ar depend on installdirs,
1869         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1870         Don't double canonicalize if cross-compiling.
1871
1872 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1873
1874         * trans-mem.c: New typedef for tm_region_p.
1875         Define vector types for tm_region_p.
1876         (tm_region_init): Replace region_worklist to a vector called
1877         bb_regions.
1878
1879 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1880
1881         PR middle-end/52463
1882         * trans-mem.c (tm_region_init): Use last_basic_block.
1883
1884 2012-03-05  Richard Henderson  <rth@redhat.com>
1885
1886         PR tree-opt/52242
1887         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1888         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1889         BIGGEST_ALIGNMENT is aligned.
1890
1891 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1892
1893         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1894
1895 2012-03-05  Richard Henderson  <rth@redhat.com>
1896
1897         PR target/52481
1898         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1899         instead of calling negqi2 directly.
1900
1901 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1902
1903         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1904         (INTMAX_TYPE): Use it.
1905         (UINTMAX_TYPE): Likewise.
1906         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1907         (irix6_c_common_override_options): Declare.
1908         (C_COMMON_OVERRIDE_OPTIONS): Define.
1909         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1910         * config/mips/irix6-c.c: New file.
1911         * config/mips/t-irix6 (irix6-c.o): New target.
1912         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1913         cxx_target_objs.
1914
1915 2012-03-02  Richard Henderson  <rth@redhat.com>
1916
1917         * optabs.c (expand_atomic_test_and_set): Honor
1918         atomic_test_and_set_trueval even when atomic_test_and_set
1919         optab is not in use.
1920
1921 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1922
1923         Backport from mainline
1924         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1925
1926         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1927
1928 2012-03-02  Richard Guenther  <rguenther@suse.de>
1929
1930         * DEV-PHASE: Set to prerelease.
1931
1932 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1933
1934         * config.gcc (obsolete): Add all ARM targets using the FPA.
1935         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1936         * doc/install.texi: Avoid references to obsolete ARM ports.
1937
1938 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1939
1940         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1941
1942 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1943             Joern Rennecke  <joern.rennecke@embecosm.com>
1944
1945         * doc/extend.texi: Expand and update information on interrupt
1946         attribute for Epiphany.
1947
1948 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1949
1950         * config/sh/sh-protos.h: Update copyright notice dates.
1951         * config/sh/sh.h: Likewise.
1952         * config/sh/sh.md: Likewise.
1953         * config/sh/constraints.md: Likewise.
1954         * config/sh/predicates.md: Likewise.
1955
1956 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1957
1958         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1959         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1960
1961 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1962
1963         * config/sh/constraints.md: Fix comment typo.
1964
1965 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1966
1967         PR target/52408
1968         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1969         unsigned HOST_WIDE_INT.
1970         (zvdep_imm64): Likewise.
1971         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1972         (vdepi_and): Likewise.
1973         Likewise for unamed 64-bit patterns.
1974         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1975
1976 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1977
1978         PR debug/52001
1979         PR rtl-optimization/52417
1980         * cselib.c (cselib_any_perm_equivs): New variable.
1981         (cselib_reset_table): Check that it's not set when not
1982         preserving constants.
1983         (cselib_add_permanent_equiv): Set it.
1984         (cselib_have_permanent_equivalences): New.
1985         (cselib_init, cselib_finish): Reset it.
1986         * cselib.h (cselib_have_permanent_equivalences): Declare.
1987         * alias.c (get_addr): Restore earlier behavior when there
1988         aren't permanent equivalences.
1989
1990 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1991
1992         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1993         * config/v850/v850-modes.def: Fix copyright notice.
1994
1995 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1996
1997         * doc/extend.texi (AVR Built-in Functions): Document
1998         __builtin_avr_flash_segment.
1999
2000         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2001         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2002         (*split.flash_segment): New insn-and-split.
2003         * config/avr/avr.c (avr_init_builtins): Add local variables:
2004         const_memx_void_node, const_memx_ptr_type_node,
2005         char_ftype_const_memx_ptr.
2006
2007 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2008
2009         PR tree-optimization/52445
2010         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2011         add ssa_name_ver, offset and size fields and change store field
2012         to bool.
2013         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2014         (add_or_mark_expr): Likewise.  Only consider previous stores
2015         with the same size and offset.
2016         (nt_init_block): Only look at gimple_assign_single_p stmts,
2017         doesn't look at rhs2.
2018
2019 2012-03-01  Richard Guenther  <rguenther@suse.de>
2020
2021         PR middle-end/52443
2022         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2023         conversions from integral types to pointer types.
2024
2025 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2026
2027         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2028         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2029         unintentionally removed in r184616.
2030
2031 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2032
2033         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2034         3DNow from bdver1.
2035
2036 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2037             Uros Bizjak  <ubizjak@gmail.com>
2038
2039         PR target/52437
2040         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2041         alternatives, add "e" constraint to the new last alternative
2042         and ! to last 3 alternatives.
2043
2044 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2045
2046         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2047         DW_AT_artificial attributes at the end of the processing.
2048         (gen_array_type_die): Likewise.
2049         (gen_enumeration_type_die): Likewise.
2050         (gen_struct_or_union_type_die): Likewise.
2051         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2052         the parent type.
2053
2054 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2055
2056         PR middle-end/52419
2057         * expr.c (expand_assignment): If doing misaligned store that doesn't
2058         cover all mode bits, perform a RMW cycle.
2059
2060         PR tree-optimization/52429
2061         * tree-parloops.c (separate_decls_in_region_debug): Return early
2062         if var is LABEL_DECL.
2063
2064 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2065
2066         PR tree-optimization/52424
2067         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2068         calling dom_thread_across_edge.
2069
2070 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2071
2072         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2073
2074 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2075
2076         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2077         * config/avr/avr.c (avr_output_bld): Remove unused function.
2078         (avr_out_sbxx_branch): Use "%T" to print bit position.
2079
2080 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2081
2082         * config/avr/avr.md: Untabify.
2083
2084 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2085
2086         * config/avr/avr.md (eqne): New code iterator.
2087         (*dec-and-branchsi): Use it in text peephole's condition.
2088         (*dec-and-branchhi): Ditto.
2089         (*dec-and-branchqi): Ditto.
2090
2091 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2092
2093         PR target/49939
2094         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2095         the device does not have the skip-bug.
2096
2097 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2098
2099         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2100         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2101         -mpretend-cmove): New.
2102
2103 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2104
2105         PR bootstrap/52397
2106         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2107         doesn't count DEBUG_INSN refs.
2108         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2109         for DEBUG_INSN refs.
2110
2111 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2112
2113         Partially revert:
2114
2115         2012-02-20  Richard Guenther  <rguenther@suse.de>
2116         PR tree-optimization/52298
2117         * tree-vect-stmts.c (vectorizable_load): Properly use
2118         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2119         outer loops.
2120
2121 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2122
2123         PR middle-end/51752
2124         * gimple.h (gimple_in_transaction): New.
2125         (gimple_set_in_transaction): New.
2126         (struct gimple_statement_base): Add in_transaction field.
2127         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2128         transaction loads.
2129         (tree_ssa_lim_initialize): Compute transaction bits.
2130         * tree.h (compute_transaction_bits): Protoize.
2131         * trans-mem.c (tm_region_init): Use the heap to store BB
2132         auxilliary data.
2133         (compute_transaction_bits): New.
2134
2135 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2136
2137         * gcc.c (display_help): Document --help=common and sort entries
2138         alphabetically.
2139
2140 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2141
2142         * doc/install.texi: Document check-$LANG specific shortcuts
2143
2144 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2145
2146         PR target/51534
2147         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2148         and vcgtu.
2149         * config/arm/arm_neon.h: Regenerate.
2150         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2151         (neon_vcgeu): New insn.
2152         (neon_vcgtu): Likewise.
2153         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2154         (ops): Unsigned comparison intrinsics call a different
2155         builtin.
2156
2157 2012-02-28  Richard Guenther  <rguenther@suse.de>
2158
2159         PR target/52407
2160         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2161         ordering for the VEC_CONCAT for two element vectors for
2162         V2SFmode, V2SImode and V2DImode.
2163
2164 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2165
2166         PR target/49448
2167         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2168         detecting big-endian triplets.
2169
2170 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2171
2172         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2173         mode if there is no type information available.
2174
2175 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2176
2177         PR tree-optimization/53207
2178         * doc/invoke.texi: Document as experimental and relying on graphite.
2179
2180 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2181
2182         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2183         of initializer to changes from r184614.
2184
2185 2012-02-28  Richard Guenther  <rguenther@suse.de>
2186
2187         PR tree-optimization/52395
2188         * tree-sra.c (build_ref_for_offset): Also look at the base
2189         TYPE_ALIGN when figuring out the alignment of the replacement.
2190
2191 2012-02-28  Richard Guenther  <rguenther@suse.de>
2192
2193         PR tree-optimization/52402
2194         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2195         mis-aligned types when creating the accesses at the call site.
2196
2197 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2198
2199         * config/avr/builtins.def: New file.
2200         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2201         * config/avr/avr.c (enum avr_builtin_id): Use it.
2202         (avr_init_builtins): Use it. And use avr_bdesc.
2203         (bdesc_1arg): Remove.
2204         (bdesc_2arg): Remove.
2205         (bdesc_3arg): Remove.
2206         (struct avr_builtin_description): Add field n_args.
2207         (avr_bdesc): New static variable using builtins.def.
2208         (avr_expand_builtin): Use it.
2209         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2210         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2211         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2212
2213 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2214
2215         PR target/52148
2216         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2217         match only one single hard register with respective hard reg rtx.
2218         (movmemx_<mode>): Ditto.
2219         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2220         insn anatomy of movmem[x]_<mode>.
2221         (avr_out_movmem): Same for printing assembler and operand usage.
2222
2223 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2224
2225         PR target/49868
2226         PR target/52261
2227         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2228         address spaces located outside of device flash.
2229
2230         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2231         (mcu_type_s): Add field n_flash.
2232         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2233         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2234         (AVR_MCU): Add N_FLASH argument.
2235         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2236         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2237         macro __FLASH<n> if that address space makes sense for the device.
2238         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2239         outside of target flash.
2240         (avr_asm_named_section): Ditto.
2241         (avr_asm_select_section): Ditto.
2242         (avr_addr_space_convert): Ditto.
2243         (avr_emit_movmemhi): Ditto.
2244         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2245         address space is outside of device flash.
2246         (avr_insert_attributes): Ditto.
2247         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2248         avr_current_arch->n_segments.
2249
2250 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2251
2252         PR target/52352
2253         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2254         TARGET_LP64.
2255         (*movabs<mode>_2): Likewise.
2256
2257 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2258
2259         PR target/52375
2260         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2261         s_register_operand in the test instead of REG_P.  Don't call
2262         gen_reg_rtx if it won't be used.
2263
2264         PR tree-optimization/52376
2265         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2266
2267 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2268
2269         * ifcvt.c (noce_get_condition): Check condition variable is not
2270         small_register_classes_for_mode_p before accepting.
2271
2272 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2273
2274         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2275
2276 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2277
2278         Revert:
2279         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2280         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2281         tuning parameters.
2282         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2283
2284 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2285
2286         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2287
2288 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2289
2290         * config/sh/predicates.md: Remove blank lines.
2291         * config/sh/sh.c: Fix typos in comments.
2292         * config/sh/constraints.md: Likewise.
2293         * config/sh/sh.md: Remove blank lines.
2294         Fix typos in comments.  Use ;; as comment characters.
2295
2296 2012-02-26  Walter Lee  <walt@tilera.com>
2297
2298         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2299         (replace_mov_pcrel_step2): Ditto.
2300
2301 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2302
2303         PR debug/52001
2304         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2305         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2306         and locs that reference values newer than the non-canonical value
2307         at hand.  Return the canonical value as a worst case.
2308         (memrefs_conflict_p): Walk canonical value's locs.
2309
2310         PR debug/52001
2311         * cselib.c (preserve_only_constants): Rename to...
2312         (preserve_constants_and_equivs): ... this.  Split out...
2313         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2314         of other preserved expressions too.
2315         (cselib_reset_table): Adjust.
2316         * var-tracking.c (reverse_op): Use canonical value to build
2317         reverse operation.
2318
2319 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2320
2321         * config/i386/i386.c (ix86_delegitimize_address): Handle
2322         UNSPEC_PCREL plus displacement.
2323
2324 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2325
2326         PR target/52261
2327         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2328         to test for unusedness in st X addressing.
2329
2330 2012-02-24  Richard Guenther  <rguenther@suse.de>
2331
2332         PR middle-end/52361
2333         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2334         (is_gimple_reg_type): Move inline ...
2335         * gimple.h (is_gimple_reg_type): ... here.
2336
2337 2012-02-24  Richard Guenther  <rguenther@suse.de>
2338
2339         PR middle-end/52361
2340         * passes.c (execute_function_todo): When verifying SSA form
2341         verify gimple form first.
2342         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2343
2344 2012-02-24  Richard Guenther  <rguenther@suse.de>
2345
2346         PR middle-end/52355
2347         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2348         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2349
2350 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2351
2352         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2353
2354 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2355
2356         * tree-phinodes.c (make_phi_node): Mark static.
2357         * tree-flow.h (make_phi_node): Remove extern decl.
2358         * doc/gimple.texi (make_phi_node): Remove documentation.
2359
2360 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2361
2362         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2363         * tree-ssa-sccvn.c (print_scc): Ditto.
2364
2365 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2366
2367         * doc/passes.texi (Full redundancy elimination): Fix typo.
2368
2369 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2370
2371         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2372
2373 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2374
2375         PR bootstrap/52287
2376         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2377
2378 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2379
2380         PR c/52290
2381         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2382
2383 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2384
2385         * config/avr/avr.md (code_stdname): Add ior, xor.
2386         (xior): New code iterator.
2387         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2388         (*<code_stdname><mode>qi.byte1-3): Ditto.
2389
2390 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2391
2392         PR tree-optimization/52019
2393         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2394         CLOBBER stmts.
2395
2396 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2397
2398         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2399         HAVE_INITFINI_ARRAY to work around namespace pollution in
2400         certain versions of newlib system headers.
2401         * config.in: Regenerate.
2402         * configure: Regenerate.
2403         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2404         instead of HAVE_INITFINI_ARRAY.
2405
2406 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         PR target/52330
2409         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2410         is not offsettable memory reference.
2411
2412 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2413
2414         PR target/18145
2415         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2416         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2417
2418 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2419
2420         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2421         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2422
2423 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2424
2425         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2426         library on Solaris 8 even without TLS support.
2427         * configure: Regenerate.
2428
2429 2012-02-22  Richard Guenther  <rguenther@suse.de>
2430
2431         PR middle-end/52329
2432         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2433         for GIMPLE_DEBUG stmts.
2434
2435 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2436
2437         PR middle-end/51782
2438         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2439         according to the base object.
2440
2441 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2442
2443         PR rtl-optimization/50063
2444         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2445         and 2 (8-bit SP) in operand 2.
2446         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2447         setup to use movhi_sp_r instead of vanilla move to write SP.
2448         Adjust REG_CFA notes to superseed unspec.
2449         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2450         of vanilla move.
2451         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2452         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2453         irq_state 1 (IRQ known to be on) here.
2454
2455 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2456
2457         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2458         WORDS_BIG_ENDIAN.
2459         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2460         assign_hard_reg): Likewise.
2461
2462 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2463
2464         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2465
2466 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2467
2468         * config/avr/avr.md
2469         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2470         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2471
2472 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2473
2474         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2475         prototype from here to...
2476         * config/avr/avr.h: ...here.
2477
2478 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2479
2480         PR target/52294
2481         * thumb2.md (thumb2_shiftsi3_short): Split register and
2482         immediate shifts.  For register shifts tie operands 0 and 1.
2483         (peephole2 for above): Check that register-controlled shifts
2484         have suitably tied operands.
2485
2486 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2487
2488         PR target/52137
2489         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2490         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2491         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2492         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2493         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2494         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2495         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2496         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2497         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2498         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2499         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2500         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2501         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2502         bdver1_ssevector_avx256_unaligned_load,
2503         bdver1_ssevector_sse128_unaligned_load,
2504         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2505         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2506         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2507         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2508         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2509         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2510         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2511         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2512         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2513         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2514         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2515         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2516         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2517         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2518         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2519         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2520         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2521         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2522         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2523         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2524         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2525         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2526         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2527         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2528         bdver1_ssediv_double_load, bdver1_ssediv_double,
2529         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2530         Add "bdver2" attribute.
2531
2532 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2533
2534         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2535         default if possible and not specified otherwise.
2536
2537 2012-02-21  Richard Guenther  <rguenther@suse.de>
2538
2539         PR middle-end/52314
2540         * gimplify.c (create_tmp_from_val): Use the main variant type
2541         for the type of the temporary we create.
2542
2543 2012-02-21  Richard Guenther  <rguenther@suse.de>
2544
2545         PR tree-optimization/52324
2546         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2547         do not gimplify a MEM_REF address operand if it is already
2548         in suitable form.
2549
2550 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2551
2552         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2553         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2554
2555 2012-02-21  Richard Guenther  <rguenther@suse.de>
2556
2557         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2558         nested_in_vect_loop.
2559
2560 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2561
2562         PR tree-optimization/52318
2563         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2564         vdef also to non-pure/const call stmts in the sequence.
2565
2566 2012-02-20  David S. Miller  <davem@davemloft.net>
2567
2568         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2569         don't use the "rd %pc" instruction on v9 for PIC register loads.
2570
2571 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2572
2573         PR middle-end/52141
2574         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2575         in a transaction safe function.
2576
2577 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2578
2579         PR target/52238
2580         * stor-layout.c (place_field): Handle desired_align for
2581         ms-bitfields, too.
2582
2583 2012-02-20  Richard Guenther  <rguenther@suse.de>
2584
2585         PR tree-optimization/52298
2586         * tree-vect-stmts.c (vectorizable_store): Properly use
2587         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2588         outer loops.
2589         (vectorizable_load): Likewise.
2590         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2591         Access DR_STEP after ensuring it is not NULL.
2592
2593 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2594
2595         PR tree-optimization/52286
2596         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2597         optimization use double_int_to_tree instead of build_int_cst_wide,
2598         rewrite to use double_int vars.
2599
2600 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2601
2602         PR target/50166
2603         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2604         Define _start.
2605         Remove -e 0 from $gcc_cv_ld invocation.
2606         Only use __GLIBC_PREREQ if defined.
2607         Enable on Solaris since Solaris 8 patch.
2608         (gcc_SUN_LD_VERSION): New macro.
2609         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2610         gcc_SUN_LD_VERSION for version number format.
2611         * configure: Regenerate.
2612         * varasm.c (get_elf_initfini_array_priority_section): Set
2613         SECTION_NOTYPE for non-default priority.
2614         Use get_section instead of get_unnamed_section to emit
2615         .init_array/.fini_array with default priority.
2616
2617 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2618
2619         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2620         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2621         (mips_start_unique_function, mips_output_mips16_rdhwr)
2622         (mips_code_end): New functions.
2623         (TARGET_ASM_CODE_END): Define.
2624
2625 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2626
2627         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2628         to stubs with non-sibling calls.
2629
2630 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2631
2632         * doc/invoke.texi (-fira-* options): Copy-edit.
2633         (ira-* parameters): Copy-edit.
2634
2635 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2636
2637         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2638         GCC coding conventions.
2639
2640 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2641
2642         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2643         when used as adjectives.
2644
2645 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2646
2647         * doc/invoke.texi: Clean up "that"/"which" confusion.
2648
2649 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2650
2651         * system.h: Poison SMALL_REGISTER_CLASSES
2652         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2653         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2654
2655 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR tree-optimization/52285
2658         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2659         when deciding if a call is a tail call or tail recursion.
2660
2661 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2662
2663         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2664         interger-constant displacement for UNSPEC_PCREL.
2665
2666 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2667
2668         PR rtl-optimization/52208
2669         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2670         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2671
2672         PR tree-optimization/52255
2673         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2674         loop->header has virtual PHI, but exit_e->dest doesn't, add
2675         virtual PHI to exit_e->dest and adjust all uses after the loop.
2676
2677         PR debug/52260
2678         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2679         children with clone_tree_hash, not after it.
2680
2681 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2682
2683         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2684         extended identifiers.
2685
2686 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2687
2688         PR middle-end/51929
2689         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2690         a same_body_alias, also test whether e->callee isn't a former
2691         or current clone of the decl this is a same body alias of.
2692
2693         PR translation/52264
2694         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2695
2696 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2697
2698         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2699
2700 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2701
2702         PR target/52199
2703         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2704         force_reg instead of copy_to_reg for better optimization.  Force
2705         non-register or memory operands into a register.
2706
2707 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2708
2709         * extend.texi: Reserve upper bits of memory model for future use.
2710
2711 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2712             Anatoly Sokolov <aesok@post.ru>
2713             Eric Weddington <eric.weddington@atmel.com>
2714
2715         PR target/52261
2716         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2717         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2718         Rewrite initializers for .macro.
2719         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2720         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2721         atxmega32d4, atxmega32x1.
2722         avrxmega4: atxmega64a3, atxmega64d3.
2723         avrxmega5: atxmega64a1, atxmega64a1u.
2724         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2725         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2726         avrxmega7: atxmega128a1, atxmega128a1u.
2727         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2728         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2729         (struct base_arch_s): Rename reserved to xmega_p.
2730         Rename reserved2 to have_rampd.
2731         (AVR_XMEGA): New define.
2732         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2733         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2734         * config/avr/predicates.md (io_address_operand): Take into
2735         account SFR offset.
2736         (low_io_address_operand): Ditto.
2737         (high_io_address_operand): Ditto.
2738         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2739         (enabled, movhi_sp_r): Use them.
2740         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2741         cpp_define_formatted to built-in define __AVR_ARCH__.
2742         (__AVR_XMEGA__): New built-in define.
2743         (__AVR_HAVE_RAMPD__): New built-in define.
2744         (__AVR_HAVE_RAMPX__): New built-in define.
2745         (__AVR_HAVE_RAMPY__): New built-in define.
2746         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2747
2748         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2749         (avr_option_override): Initialize them.
2750         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2751         (avr_init_expanders): Initialize them. No more block several calls.
2752         (emit_push_sfr): New static function.
2753         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2754         Handle AVR_XMEGA.
2755         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2756         (avr_print_operand): Print addreeses as symbols for
2757         RAMPX, RAMPY, RAMPD, CCP.
2758         (output_movhi): Handle AVR_XMEGA when writing to SP.
2759         (avr_out_movhi_mr_r_xmega): New static function.
2760         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2761         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2762         __RAMPD__,  __CCP__ as needed.
2763
2764         * config/avr/multilib.h: Regenerate.
2765         * config/avr/t-multilib: Regenerate.
2766         * config/avr/avr-tables.opt: Regenerate.
2767
2768 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2769
2770         PR tree-optimization/50561
2771         * graphite-flattening.c (lst_project_loop): Do not
2772         remove old scattering dimensions after flattening.
2773         (lst_do_flatten): Likewise.
2774
2775 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2776
2777         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2778         __builtin_avr_map8, __builtin_avr_map16.
2779         Document __builtin_avr_insert_bits.
2780
2781         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2782         (insert_bits): New insn.
2783         (adjust_len.map_bits): Rename to insert_bits.
2784         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2785         * avr-protos.h (avr_out_map_bits): Remove.
2786         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2787         * config/avr/constraints.md (Cxf,C0f): New.
2788         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2789         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2790         New built-in define __BUILTIN_AVR_INSERT_BITS.
2791         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2792         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2793         (avr_move_bits): Rewrite.
2794         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2795         functions.
2796         (avr_map_op_t): New typedef.
2797         (avr_map_op): New static variable.
2798         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2799         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2800         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2801         (bdesc_3arg, avr_expand_triop_builtin): New.
2802         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2803         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2804         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2805         (avr_map_equal_p, avr_map_sig_p): Remove.
2806         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2807         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2808         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2809         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2810         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2811         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2812
2813 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2814
2815         * config/c6x/c6x.md (reserve_cycles): New attribute.
2816         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2817         don't reserve functional units after the branch occurs.
2818
2819 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2820
2821         PR middle-end/52142
2822         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2823         functions into non-tm_pure functions.
2824
2825 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2826
2827         PR lto/52178
2828         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2829         (iterative_hash_canonical_type): Likewise.
2830         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2831         the dead edges.
2832
2833 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2834
2835         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2836         sched-group insn, it either remains alone or the entire list is pruned.
2837
2838 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2839
2840         * doc/install.texi (Prerequisites): Fix grammar.
2841         (Configuration): Likewise.
2842
2843 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2844
2845         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2846         MPC as part of GCC before describing configuring with --with-gmp etc.
2847         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2848         sources are present.
2849
2850 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2851
2852         PR debug/51950
2853         * dwarf2out.c (clone_tree_hash): New function.
2854         (copy_decls_walk): Use it instead of clone_tree.
2855
2856 2012-02-14  Richard Guenther  <rguenther@suse.de>
2857
2858         PR tree-optimization/52244
2859         PR tree-optimization/51528
2860         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2861         replacements for integral types.
2862
2863 2012-02-14  Walter Lee  <walt@tilera.com>
2864
2865         * config.gcc: Handle tilegx and tilepro.
2866         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2867         tilegx and tilepro.
2868         Add HAVE_AS_TLS check for tilegx and tilepro.
2869         * configure: Regenerate.
2870         * doc/contrib.texi: Add Mat Hostetter and self.
2871         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2872         Document instruction intrinsics and network accessing intrinsics.
2873         (TILEPro Built-in Functions): New node.  Document instruction
2874         intrinsics and network accessing intrinsics.
2875         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2876         (Specific, tilepro-*-linux*): Likewise.
2877         * doc/invoke.texi (TILE-Gx Options): New section.
2878         (TILEPro Options): New section.
2879         * doc/md.texi (TILE-Gx): New section.
2880         (TILEPro): New section.
2881         * common/config/tilegx/tilegx-common.c: New file.
2882         * common/config/tilepro/tilepro-common.c: New file.
2883         * config/tilegx/constraints.md: New file.
2884         * config/tilegx/linux.h: New file.
2885         * config/tilegx/mul-tables.c: New file.
2886         * config/tilegx/predicates.md: New file.
2887         * config/tilegx/sync.md: New file.
2888         * config/tilegx/t-tilegx: New file.
2889         * config/tilegx/tilegx-builtins.h: New file.
2890         * config/tilegx/tilegx-c.c: New file.
2891         * config/tilegx/tilegx-generic.md: New file.
2892         * config/tilegx/tilegx-modes.def: New file.
2893         * config/tilegx/tilegx-multiply.h: New file.
2894         * config/tilegx/tilegx-protos.h: New file.
2895         * config/tilegx/tilegx.c: New file.
2896         * config/tilegx/tilegx.h: New file.
2897         * config/tilegx/tilegx.md: New file.
2898         * config/tilegx/tilegx.opt: New file.
2899         * config/tilepro/constraints.md: New file.
2900         * config/tilepro/gen-mul-tables.cc: New file.
2901         * config/tilepro/linux.h: New file.
2902         * config/tilepro/mul-tables.c: New file.
2903         * config/tilepro/predicates.md: New file.
2904         * config/tilepro/t-tilepro: New file.
2905         * config/tilepro/tilepro-builtins.h: New file.
2906         * config/tilepro/tilepro-c.c: New file.
2907         * config/tilepro/tilepro-generic.md: New file.
2908         * config/tilepro/tilepro-modes.def: New file.
2909         * config/tilepro/tilepro-multiply.h: New file.
2910         * config/tilepro/tilepro-protos.h: New file.
2911         * config/tilepro/tilepro.c: New file.
2912         * config/tilepro/tilepro.h: New file.
2913         * config/tilepro/tilepro.md: New file.
2914         * config/tilepro/tilepro.opt: New file.
2915
2916 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2917
2918         PR tree-optimization/52210
2919         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2920         vect_model_simple_cost with two entry vect_def_type array instead
2921         of an address of dt.
2922
2923 2012-02-14  Richard Guenther  <rguenther@suse.de>
2924
2925         PR lto/52178
2926         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2927         Do not stream DECL_QUALIFIER.
2928         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2929         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2930         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2931
2932 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2933
2934         PR c/52181
2935         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2936         newdecl.
2937
2938 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2939
2940         PR bootstrap/52172
2941         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2942         * cselib.c (cselib_subst_to_values_from_insn): New function.
2943         * sched-deps.c (add_insn_mem_dependence,
2944         sched_analyze_1, sched_analyze_2): Use it.
2945
2946 2012-02-13  Jan Hubicka  <jh@suse.cz>
2947
2948         PR middle-end/52214
2949         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2950
2951 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2952
2953         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2954         (GTM_SELF_SPECS): Define if not already defined.
2955         (driver_self_specs): Add GTM_SELF_SPECS.
2956         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2957         (GTM_SELF_SPECS): Define.
2958         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2959         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2960
2961 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2962
2963         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2964         away if seen.
2965
2966         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2967
2968         PR middle-end/52230
2969         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2970         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2971
2972 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2973
2974         PR c/52190
2975         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2976
2977 2012-02-13  Richard Guenther  <rguenther@suse.de>
2978
2979         PR translation/52211
2980         * passes.c (enable_disable_pass): Fix typo.
2981
2982 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR middle-end/52209
2985         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2986         XOR for reduce_bit_field if type is unsigned.
2987
2988 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2989
2990         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2991         disallow changes from SFmode to mode with different size in FP regs.
2992
2993 2012-02-12  Robert Millan  <rmh@gnu.org>
2994             Gerald Pfeifer <gerald@pfeifer.com>
2995
2996         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2997         Tweak comment.
2998
2999 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3000
3001         PR rtl-optimization/52175
3002         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3003         to frame-related instructions.
3004
3005 2012-02-10  Jason Merrill  <jason@redhat.com>
3006
3007         PR c++/51910
3008         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3009         (demangle_new_symbols): Fill it.
3010         (scan_linker_output): Walk it.
3011         (start_tweaking): Split out from scan_linker_output.
3012         (maybe_tweak): Update sym->chosen.
3013         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3014
3015 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3016
3017         PR debug/52132
3018         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3019
3020 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3021
3022         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3023         having the same mode as previous compare.
3024
3025 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3026
3027         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3028         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3029         (nonlocal_goto_internal): Likewise.
3030         (nonlocal_goto): Emit a use and an indirect jump directly.
3031
3032 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3033
3034         PR c/52190
3035         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3036         __atomic_{is,always}_lock_free.
3037
3038 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3039
3040         PR target/52146
3041         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3042         negative constant address for x32.
3043
3044 2012-02-10  Richard Henderson  <rth@redhat.com>
3045
3046         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3047         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3048         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3049
3050 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3051             Ira Rosen  <irar@il.ibm.com>
3052
3053         PR tree-optimization/50031
3054         * targhooks.c (default_builtin_vectorization_cost): Handle
3055         vec_promote_demote.
3056         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3057         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3058         all types of reduction and pattern statements.
3059         (vect_estimate_min_profitable_iters): Likewise.
3060         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3061         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3062         for explicit realigns.
3063         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3064         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3065         vec_promote_demote.
3066         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3067         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3068         vec_perm for VSX and handle vec_promote_demote.
3069
3070 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3071
3072         PR middle-end/52177
3073         * builtins.c (fold_builtin_atomic_always_lock_free,
3074         expand_builtin_atomic_always_lock_free,
3075         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3076         Return and/or test boolean_true_node/boolean_false_node instead of
3077         integer_one_node/integer_zero_node.
3078
3079 2012-02-10  Jan Hubicka  <jh@suse.cz>
3080
3081         PR middle-end/48600
3082         * predict.c (predict_paths_for_bb): Prevent looping.
3083         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3084
3085 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3086
3087         * config/arm/arm.c (output_move_double): In one case properly
3088         count number of instructions that will be emitted.
3089
3090 2012-02-10  Richard Guenther  <rguenther@suse.de>
3091
3092         PR translation/52193
3093         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3094
3095 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3096
3097         PR middle-end/52140
3098         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3099
3100 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3101
3102         PR debug/52165
3103         * var-tracking.c (emit_note_insn_var_location): If
3104         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3105         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3106         non-NOTE_DURING_CALL_P insn.
3107
3108 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3109
3110         PR middle-end/51867
3111         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3112
3113 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3114
3115         PR driver/48524
3116         * gcc.c (switch_matches) Support switches with separated form,
3117         -D and -U.
3118
3119 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3120
3121         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3122         (SP_ADDR): Ditto.
3123         (RAMPZ_ADDR): Ditto.
3124         * config/avr/avr.c (avr_addr_t): New typedef.
3125         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3126         (avr_init_expanders): Initialize it.
3127         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3128         SREG_ADDR.
3129         (expand_epilogue): Ditto.
3130         (avr_print_operand): Ditto.
3131         (avr_file_start): Ditto.
3132         (avr_emit_movmemhi): Ditto.
3133
3134 2012-02-08  Richard Guenther  <rguenther@suse.de>
3135
3136         PR tree-optimization/46886
3137         * tree-flow.h (do_while_loop_p): Declare.
3138         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3139         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3140
3141 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3142
3143         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3144         always succeed for integers larger than a native word.
3145
3146 2012-02-08  Richard Guenther  <rguenther@suse.de>
3147
3148         PR rtl-optimization/52170
3149         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3150         properly handle integer vector modes.
3151
3152 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR gcov-profile/52150
3155         * coverage.c: Include target.h.
3156         (build_var): Call targetm.strip_name_encoding on the assembler name.
3157         Change one _ into . or $ if the target allows it.
3158         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3159
3160         PR rtl-optimization/52139
3161         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3162         is a BARRIER after emit_insn_after_noloc, move BB_END
3163         to the last non-BARRIER insn before it.
3164
3165 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3166
3167         PR middle-end/24306
3168         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3169         (mips_gimplify_va_arg_expr): Call it instead of
3170         std_gimplify_va_arg_expr.
3171
3172 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3173
3174         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3175         message for -mno-pointers-to-nested-function.
3176
3177 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3178
3179         PR middle-end/51994
3180         * expr.c (get_inner_reference): If there is an offset, add a negative
3181         bit position to it (if any).
3182
3183 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3184
3185         PR rtl-optimization/52060
3186         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3187         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3188         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3189         and/or i0src_copy2 when needed.
3190
3191 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3192
3193         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3194         or LTOPLUGINSONAME if have_c.
3195
3196         * config/freebsd-spec.h: Add comment about what macros can be defined
3197         in this header.
3198         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3199         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3200         here instead.
3201
3202 2012-02-07  Richard Guenther  <rguenther@suse.de>
3203
3204         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3205         newline in -alias dumps.
3206
3207 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3208             Dave Korn  <dave.korn.cygwin@gmail.com>
3209
3210         PR target/40068
3211         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3212         Take care that typinfo gets dllexport-attribute.
3213
3214 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3215
3216         PR middle-end/52074
3217         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3218         if modifier < EXPAND_SUM call force_operand on the result.
3219
3220 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3221
3222         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3223         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3224         present.
3225         (epiphany_function_type): Replace types for specific interrupts with
3226         EPIPHANY_FUNCTION_INTERRUPT.
3227         (EPIPHANY_INTERRUPT_P): Update.
3228         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3229         New static function.
3230         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3231         <disinterrupt>: Affects type identity.
3232         (epiphany_handle_interrupt_attribute): Handle variable number of
3233         arguments.
3234         (epiphany_compute_function_type): Update for new
3235         epiphany_function_type definition.
3236         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3237         handlers with a longcall forwarder.
3238         (epiphany_start_function): Handle multiple interrupt arguments and/or
3239         forwarder_section attribute.
3240
3241         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3242         libgloss.
3243
3244 2012-02-07  Alan Modra  <amodra@gmail.com>
3245
3246         PR target/52107
3247         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3248         subregs of TFmode.
3249
3250 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3251
3252         PR tree-optimization/50969
3253         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3254         use vec_perm rather than vector_stmt.
3255         (vect_model_load_cost): Likewise.
3256         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3257         vec_perm to be the same as other vector statements.
3258         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3259         cost of vec_perm for TARGET_VSX.
3260
3261 2012-02-06  Richard Guenther  <rguenther@suse.de>
3262
3263         PR tree-optimization/52115
3264         * tree-sra.c (access_has_replacements_p): New function.
3265         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3266
3267 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3268
3269         PR middle-end/52047
3270         * trans-mem.c (expand_call_tm): Add an assertion.
3271         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3272         functions.
3273
3274 2012-02-06  Richard Guenther  <rguenther@suse.de>
3275
3276         PR tree-optimization/50955
3277         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3278         raise cost of expressions that replace an address with an
3279         expression based on a different pointer.
3280
3281 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3282
3283         PR target/52129
3284         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3285         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3286
3287 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3288
3289         PR c++/48680
3290         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3291         -Weffc++ and specify guidelines come from second edition.
3292
3293 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3294
3295         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3296         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3297         (call_direct_split, call_value_split, call_value_internal_direct)
3298         (call_value_direct_split, call_value_multiple_split): Use jal and
3299         jal_macro attributes.
3300
3301 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3302
3303         * reload1.c (reload_regs_reach_end_p): Replace with...
3304         (reload_reg_rtx_reaches_end_p): ...this function.
3305         (new_spill_reg_store): Update commentary.
3306         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3307         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3308         before setting new_spill_reg_store.
3309         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3310         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3311         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3312         for non-spill reload registers.
3313
3314 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3315
3316         PR tree-optimization/52091
3317         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3318         (vect_is_simple_use_1): Likewise.
3319         * tree-vect-loop.c (vectorizable_reduction): Update calls
3320         to vect_is_simple_use_1 and vect_is_simple_use.
3321         (vectorizable_live_operation): Likewise.
3322         * tree-vect-patterns.c (widened_name_p,
3323         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3324         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3325         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3326         vectorizable_shift,vectorizable_operation, vectorizable_store,
3327         vectorizable_load): Likewise.
3328         (vect_is_simple_cond): Add an argument, pass it to
3329         vect_is_simple_use_1.
3330         (vectorizable_condition): Update calls to vect_is_simple_cond,
3331         vect_is_simple_use.
3332         (vect_is_simple_use): Add an argument, the statement in which
3333         OPERAND is used.  Check that if OPERAND's def stmt is a double
3334         reduction phi node, the use is a phi node too.
3335         (vect_is_simple_use_1): Add an argument, pass it to
3336         vect_is_simple_use.
3337         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3338         to vect_is_simple_use.
3339
3340 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3341
3342         PR rtl-optimization/52095
3343         * modulo-sched.c (dump_insn_locator): New function.
3344         (loop_canon_p, sms_schedule): Use it.
3345
3346         PR rtl-optimization/52113
3347         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3348         even for decomposable shift/zext insns.
3349
3350 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3351             Zdenek Dvorak  <ook@ucw.cz>
3352
3353         PR rtl-optimization/52092
3354         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3355         on get_iv_value result.
3356
3357 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3358
3359         PR middle-end/47982
3360         PR middle-end/43967
3361         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3362
3363 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3364
3365         PR middle-end/48071
3366         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3367
3368 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3369
3370         PR rtl-optimization/49800
3371         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3372         (sched_finish): Call regstat_free_n_sets_and_refs.
3373
3374 2012-02-02  Jia Liu  <proljc@gmail.com>
3375
3376         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3377         than operand 2.
3378
3379 2012-02-02  Jan Hubicka  <jh@suse.cz>
3380             Tom de Vries  <tom@codesourcery.com>
3381
3382         PR middle-end/51998
3383         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3384         * varpool.c (varpool_analyze_pending_decls): Likewise.
3385
3386 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3387             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3388
3389         * config.gcc: Add cr16-* support.
3390
3391         * doc/extend.texi: Document cr16 extensions.
3392         * doc/install.texi: Document cr16 install.
3393         * doc/invoke.texi: Document cr16 options.
3394         * doc/md.texi: Document cr16 constraints.
3395
3396         * common/config/cr16/cr16-common.c: New file.
3397         * config/cr16/cr16.c: New file.
3398         * config/cr16/cr16.h: New file.
3399         * config/cr16/cr16.md: New file.
3400         * config/cr16/cr16.opt: New file.
3401         * config/cr16/cr16-protos.h: New file.
3402         * config/cr16/predicates.md: New file.
3403         * config/cr16/constraints.md: New file.
3404         * config/cr16/t-cr16: New file.
3405
3406 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3407
3408         PR target/52086
3409         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3410         that operands[2] is either immediate, or q_regs_operand.
3411
3412         PR tree-optimization/52073
3413         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3414         a pattern stmt for pattern uses, ignore uses outside of the loop.
3415
3416 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3417
3418         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3419         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3420         (OUT_AS1, OUT_AS2): Remove.
3421
3422 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3423
3424         PR rtl-optimization/51374
3425         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3426         to cross other volatile_refs_p insns.
3427
3428 2012-02-01  Richard Guenther  <rguenther@suse.de>
3429
3430         * doc/invoke.texi (fno-inline): Clarify documentation.
3431         (finline-small-functions): Likewise.
3432         (finline-functions): Likewise.
3433         * common.opt (finline): Adjust comment and documentation.
3434         (finline-small-functions): Clarify documentation.
3435         (finline-functions): Likewise.
3436         (finline-functions-called-once): Likewise.
3437
3438 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3439
3440         * c-typeck.c (composite_type): Keep mode for pointers.
3441
3442 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3443
3444         * function.h (regno_reg_rtx): Adjust comment.
3445         * reginfo.c (init_reg_modes_target): Only use the previous mode
3446         if it fits within one register.  Remove MIPS comment.
3447
3448 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3449
3450         PR bootstrap/52058
3451         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3452
3453 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3454
3455         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3456         to srak instruction.
3457
3458 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3459
3460         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3461
3462 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3463
3464         PR bootstrap/52041
3465         PR bootstrap/52039
3466         PR target/51974
3467         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3468
3469 2012-01-31  Richard Guenther  <rguenther@suse.de>
3470
3471         PR tree-optimization/51528
3472         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3473         assigns.
3474
3475 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3476
3477         PR bootstrap/52041
3478         PR bootstrap/52039
3479         PR target/51974
3480         * ree.c (add_removable_extension): Change def_map argument
3481         to unsigned *, store in def_map 1 + offset into *insn_list vector
3482         instead of pointers into the vector.
3483         (find_removable_extensions): Adjust caller.
3484
3485 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3486
3487         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3488         Transform all "* quoted-c-code" to { c-code }.
3489         Remove redundant test for "optimize" in combine patterns.
3490         Move (include "avr-dimode.md") to end of file.
3491
3492 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3493
3494         PR target/51835
3495         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3496         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3497
3498 2012-01-30  Richard Guenther  <rguenther@suse.de>
3499
3500         PR tree-optimization/52028
3501         * tree-loop-distribution.c (ldist_gen): Properly update
3502         virtual SSA form.
3503
3504 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3505
3506         PR debug/52027
3507         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3508         set_cur_line_info_table if not emitting debug info.
3509
3510         PR tree-optimization/52046
3511         * tree-vect-patterns.c (check_bool_pattern): Give up if
3512         a comparison could throw.
3513
3514         PR debug/52048
3515         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3516
3517 2012-01-30  Richard Guenther  <rguenther@suse.de>
3518
3519         PR tree-optimization/52045
3520         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3521         SSA form if cfgcleanup did anything.
3522
3523 2012-01-30  Richard Guenther  <rguenther@suse.de>
3524
3525         PR tree-optimization/52045
3526         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3527         before computing final todo.
3528
3529 2012-01-30  Richard Guenther  <rguenther@suse.de>
3530
3531         PR tree-optimization/51528
3532         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3533         for PR51528 fix.
3534
3535 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3536
3537         * df-problems.c (df_kill_notes): Check that the use refers
3538         to the note under examination.