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PR middle-end/54017
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
2
3         PR middle-end/54017
4         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
5         (cleanup_tree_cfg_bb): Don't call it.
6         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
7         handling.
8
9 2012-07-19  Christian Bruel  <christian.bruel@st.com>
10
11         PR target/54029
12         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
13
14 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
15
16        * config.gcc (v850-*-rtems*): New target.
17        * config/v850/rtems.h: New.
18        * config/v850/t-rtems: New.
19
20 2012-07-18  Nick Clifton  <nickc@redhat.com>
21
22         * doc/invoke.texi (ARM Options): Document -munaligned-access.
23
24 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
25
26         PR target/53961
27
28         Backport from mainline
29         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
30
31         PR target/53110
32         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
33         instead expand it as zero extension.
34
35 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
36
37         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
38         QImode and HImode splitters.  Use ix86_comparison_operator.
39         Explicitly match FLAGS_REG.
40         (DFmode cmove splitter): Explicitly match FLAGS_REG.
41
42 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
43             Steven Bosscher  <steven@gcc.gnu.org>
44             Bernd Schmidt  <bernds@codesourcery.com>
45
46         PR rtl-optimization/53908
47         * df-problems.c (can_move_insns_across): When doing
48         memory-reference book-keeping, handle call insns.
49
50 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
51
52         Backport from mainline
53         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
54
55         PR target/53811
56         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
57         sibcall_insn_operand.  Move it to a temporary register if not.
58
59         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
60
61         PR target/53853
62         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
63         emit PIC sequence for fnaddr symbol reference in advance.
64
65 2012-07-09  Jason Merrill  <jason@redhat.com>
66
67         PR c++/53882
68         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
69         (type_hash_eq): Likewise.
70
71         PR c++/53826
72         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
73
74 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
75
76         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
77         due to negative shift amount.
78
79 2012-07-06  Kai Tietz  <ktietz@redhat.com>
80
81         Backport from mainline.
82         PR bootstrap/52947
83         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
84         as "/mingw/include".
85
86 2012-07-06  Nick Clifton  <nickc@redhat.com>
87
88         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
89         default_encode_section_info.
90
91 2012-07-06  Richard Guenther  <rguenther@suse.de>
92
93         Backport from mainline
94         2012-03-30  Richard Guenther  <rguenther@suse.de>
95
96         PR middle-end/52786
97         * double-int.c (rshift_double): Remove not needed cast.
98
99         2012-03-28  Richard Guenther  <rguenther@suse.de>
100
101         PR middle-end/50708
102         * double-int.h (rshift_double): Remove.
103         * double-int.c (lshift_double): Use absu_hwi to make count
104         positive.
105         (rshift_double): Make static, take unsigned count argument,
106         remove handling of negative count argument.
107         (double_int_rshift): Dispatch to lshift_double.
108
109 2012-07-06  Richard Guenther  <rguenther@suse.de>
110
111         Backport from mainline
112         2012-06-18  Richard Guenther  <rguenther@suse.de>
113
114         PR tree-optimization/53693
115         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
116         Reject operands with more than one use.
117
118 2012-07-06  Richard Guenther  <rguenther@suse.de>
119
120         Backport from mainline
121         2012-04-11  Richard Guenther  <rguenther@suse.de>
122
123         PR middle-end/52621
124         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
125         consider loop nesting.
126         (evolution_function_is_univariate_p): Properly check the remainder
127         for chrecs.
128
129 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
130
131         Backport from mainline
132         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
133
134         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
135         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
136         (adjacent_mem_locations): Move some code to and call...
137         (get_memref_parts): ...new function.
138         (mem_locations_overlap): New function.
139         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
140         (is_mem_ref): Rename to...
141         (find_mem_ref): ...this. Return MEM rtx.
142         (get_store_dest): Remove function.
143         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
144         new parameter and adjust calls.
145         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
146         mem refs overlap for true_store_to_load_dep_costly.
147         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
148         passed to adjacent_mem_locations.
149         (is_costly_group): Walk resolved dependency list.
150         (force_new_group): Emit group ending nop for Power6/Power7.
151         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
152         (group_ending_nop): New define_insn.
153
154 2012-07-04  Richard Guenther  <rguenther@suse.de>
155
156         PR middle-end/53433
157         * gimple-fold.c (get_base_constructor): Do not return an
158         error_mark_node DECL_INITIAL.
159
160 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
161
162         Backport from mainline
163         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
164
165         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
166         code model string in the error message.
167
168 2012-07-04  Tristan Gingold  <gingold@adacore.com>
169
170         Backport from mainline.
171         2012-06-25  Tristan Gingold  <gingold@adacore.com>
172
173         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
174         (seh_cfa_adjust_cfa): ... that function.
175         (seh_emit_stackalloc): Do not emit out of range values.
176         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
177         UNSPEC_DEF_CFA constants.
178         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
179         * config/i386/i386.c (ix86_frame_pointer_required): Required
180         for very large frames on SEH target.
181         (ix86_compute_frame_layout): Save area is before frame pointer
182         on SEH target.  Handle very large frames.
183         (ix86_expand_prologue): Likewise.
184
185 2012-07-04  Richard Guenther  <rguenther@suse.de>
186
187         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
188         as in free_lang_data_in_type.
189
190 2012-07-02  Martin Jambor  <mjambor@suse.cz>
191
192         Backport from mainline.
193         2012-07-02  Martin Jambor  <mjambor@suse.cz>
194
195         PR middle-end/38474
196         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
197         dynamic type change check.
198
199 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
200
201         * tree-eh.c (lower_try_finally_switch): Really put the location of the
202         last statement of the finally block onto the switch.
203
204 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
205
206         * configure: Regenerate.
207
208         Backport from mainline.
209         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
210
211         * config.gcc (target_type_format_char): New. Document it. Set it for
212         arm*-*-* .
213         * configure.ac (gnu_unique_option): Use target_type_format_char
214         in test.  Comment rationale.
215
216 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
217
218         Backport from mainline.
219         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
220
221         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
222
223 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
224
225         Backport from 2012-06-28 mainline r189049
226
227         PR 53595
228         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
229         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
230         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
231         avr_hard_regno_call_part_clobbered.
232
233 2012-06-28  Richard Guenther  <rguenther@suse.de>
234
235         PR middle-end/53790
236         * expr.c (expand_expr_real_1): Verify if the type is complete
237         before inspecting its size.
238
239 2012-06-27  Nick Clifton  <nickc@redhat.com>
240
241         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
242         input operand.
243
244 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
245
246         PR debug/53682
247         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
248
249 2012-06-26  Nick Clifton  <nickc@redhat.com>
250
251         * config/rx/rx.md (simple_return): Use the simple_return rtx.
252
253 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
254
255         PR target/53759
256         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
257         of x x x in the vmovlps load alternative.
258
259 2012-06-22  Richard Guenther  <rguenther@suse.de>
260
261         * gcov-iov.c: Include bconfig.h and system.h.
262
263 2012-06-22  Richard Guenther  <rguenther@suse.de>
264
265         PR gcov-profile/53744
266         * gcov-iov.c (main): Treat "" and "prerelease" the same.
267
268 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
269
270         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
271         DECL_IGNORED_P non-reg vars even if they are used.
272
273 2012-06-19  Jason Merrill  <jason@redhat.com>
274
275         PR c++/52637
276         * dwarf2out.c (modified_type_die): Use scope_die_for.
277         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
278         (uses_local_type_r, uses_local_type): New.
279         (scope_die_for): Keep a type that uses a local type in local scope.
280         Use get_context_die for namespace and type scope.
281
282 2012-06-19  Richard Guenther  <rguenther@suse.de>
283
284         PR middle-end/53470
285         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
286         replace it with the first non-BLOCK context.
287
288 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
289
290         PR rtl-optimization/53700
291
292         Backport from mainline
293         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
294
295         * ira-color.c (setup_left_conflict_sizes_p): Process all
296         conflicting objects.
297
298 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
299
300         Backport from mainline
301         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
302
303         PR target/52908
304         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
305         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
306         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
307         instead of xop_mulv2div2di3_low.
308         (xop_p<macs>dql): Fix vec_select selector.
309         (xop_p<macs>dqh): Ditto.
310         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
311         (xop_mulv2div2di3_high): Ditto.
312
313 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
314
315         Backport from mainline:
316         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
317
318         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
319
320 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
321
322         Backport from mainline:
323         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
324
325         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
326         * config/pa/pa.c (pa_attr_length_millicode_call): Use
327         MAX_PCREL17F_OFFSET instead of fixed offset.
328         (pa_attr_length_call): Likewise.
329         (pa_attr_length_indirect_call): Likewise.
330
331 2012-06-15  Walter Lee  <walt@tilera.com>
332
333         Backport from mainline:
334         2012-06-15  Walter Lee  <walt@tilera.com>
335
336         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
337
338         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
339
340         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
341
342 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
343
344         Backport from mainline:
345
346         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
347         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
348         * gimple.h (block_in_transaction): Check for flag_tm.
349
350 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
351
352         PR tree-optimization/52558
353
354         Backport from mainline:
355         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
356         * gimple.h (gimple_set_in_transaction): Remove.
357         (gimple_in_transaction): Look in BB instead.
358         (gimple_statement_base): Remove in_transaction field.
359         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
360         * trans-mem.c (compute_transaction_bits): Place transaction bit
361         information into basic blocks.
362
363         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
364
365         PR tree-optimization/52558
366         * cfg.c (alloc_aux_for_edge): Fix comment.
367         (alloc_aux_for_edge): Remove static.
368         * basic-block.h (alloc_aux_for_edge): Protoize.
369         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
370         (execute_sm_if_changed_flag): New.
371         (execute_sm_if_changed_flag_set): New.
372         (execute_sm): Do not generate data races unless requested.
373         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
374         (tree_ssa_lim_finalize): Call free_aux_for_edges.
375         * gimple.h (block_in_transaction): New.
376         (gimple_in_transaction): Use block_in_transaction.
377
378 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
379
380         Backported from mainline
381         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
382
383         PR rtl-optimization/53589
384         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
385         discovery even when e->dest != target.  If any LABEL_REF points
386         to e->dest label, redirect it to target's label.
387
388         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
389
390         PR middle-end/53580
391         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
392         returns false, replace stmt with GIMPLE_NOP.
393         (check_omp_nesting_restrictions): Instead of issuing warnings,
394         issue errors and return false if any errors were reported.
395
396 2012-06-14  Richard Guenther  <rguenther@suse.de>
397
398         * BASE-VER: Set to 4.7.2.
399         * DEV-PHASE: Set to prerelease.
400
401 2012-06-12  Christian Bruel  <christian.bruel@st.com>
402
403         PR target/53621
404         * config/sh/sh.c (sh_option_override): Don't force
405          flag_omit_frame_pointer and maccumulate_outgoing_args.
406         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
407
408 2012-06-14  Release Manager
409
410         * GCC 4.7.1 released.
411
412 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
413
414         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
415
416 2012-06-13  Richard Henderson  <rth@redhat.com>
417
418         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
419         iterator instead of INT.
420
421 2012-06-08  Richard Henderson  <rth@redhat.com>
422
423         PR c++/53602
424         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
425         note to a clobber insn when no other insn is available.
426
427 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
428
429         PR c++/53524
430         * doc/invoke.texi (Wenum-compare): Update documentation.
431
432 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
433
434         PR target/53559
435         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
436         operands.
437         (altivec_stvlxl): Ditto.
438         (altivec_stvrx): Ditto.
439         (altivec_stvrxl): Ditto.
440
441 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
442
443         PR middle-end/47530
444         * trans-mem.c (expand_block_edges): Do not skip the first
445         statement when resetting the BB.
446
447 2012-06-04  Richard Guenther  <rguenther@suse.de>
448
449         PR middle-end/53471
450         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
451         create new assembler names.
452
453 2012-06-04  Richard Guenther  <rguenther@suse.de>
454
455         Backport from mainline
456         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
457
458         PR middle-end/52979
459         * stor-layout.c (get_best_mode): Don't return mode with bitsize
460         larger than maxbits.  Don't compute maxbits modulo align.
461         Also check that unit bytes long store at bitpos / unit * unit
462         doesn't affect bits beyond bitregion_end.
463         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
464         would not fit into bitregion_start ... bitregion_end + 1 bit
465         region.
466         (store_split_bit_field): Decrease unit close to end of bitregion_end
467         if access is restricted in order to avoid mutual recursion.
468
469 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
470
471         Backport from 2012-06-04 mainline r188172
472
473         PR target/46261
474         * config/avr/avr-stdint.h: New file.
475         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
476         newlib-stdint.h
477
478 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
479
480         PR tree-optimization/53550
481         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
482         is POINTER_TYPE_P, use sizetype as step type instead of type.
483
484 2012-06-04  Richard Guenther  <rguenther@suse.de>
485             Eric Botcazou  <ebotcazou@adacore.com>
486
487         Backport from mainline
488         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
489
490         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
491         Change type of BITOFFSET to signed.  Make sure the lower bound of
492         the computed range is non-negative by adjusting OFFSET and BITPOS.
493         (expand_assignment): Adjust call to get_bit_range.
494
495         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
496
497         * expr.c (get_bit_range): Return the null range if the enclosing record
498         is part of a larger bit field.
499
500         2012-03-20  Richard Guenther  <rguenther@suse.de>
501
502         * stor-layout.c (finish_bitfield_representative): Fallback
503         to conservative maximum size if the padding up to the next
504         field cannot be computed as a constant.
505         (finish_bitfield_layout): If we cannot compute the distance
506         between the start of the bitfield representative and the
507         bitfield member start a new representative.
508         * expr.c (get_bit_range): The distance between the start of
509         the bitfield representative and the bitfield member is zero
510         if the field offsets are not constants.
511
512         2012-03-16  Richard Guenther  <rguenther@suse.de>
513
514         * stor-layout.c (finish_bitfield_representative): Fall back
515         to the conservative maximum size if we cannot compute the
516         size of the tail padding.
517
518         2012-03-14  Richard Guenther  <rguenther@suse.de>
519
520         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
521         * stor-layout.c (start_bitfield_representative): New function.
522         (finish_bitfield_representative): Likewise.
523         (finish_bitfield_layout): Likewise.
524         (finish_record_layout): Call finish_bitfield_layout.
525         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
526         for QUAL_UNION_TYPE fields.
527         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
528         Stream DECL_BIT_FIELD_REPRESENTATIVE.
529         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
530
531         PR middle-end/52080
532         PR middle-end/52097
533         PR middle-end/48124
534         * expr.c (get_bit_range): Unconditionally extract bitrange
535         from DECL_BIT_FIELD_REPRESENTATIVE.
536         (expand_assignment): Adjust call to get_bit_range.
537
538 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
539
540         PR middle-end/53501
541         * fold-const.c (fold_binary_loc): Refine previous change.
542
543 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
544
545         Backport from mainline
546         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
547
548         PR target/52667
549         * config/sh/sh.c (find_barrier): Add equality check of last_got to
550         avoid going above orig insn.  Update comments.
551
552 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
553
554         Backport from mainline
555         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
556
557         PR target/52642
558         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
559         prologue for unwinder and profiler.
560
561 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
562
563         Backport from mainline
564         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
565
566         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
567
568 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
569
570         Backport from mainline
571         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
572
573         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
574         DBX_REGISTER_NUMBER.
575
576 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
577
578         Backport from mainline
579         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
580
581         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
582         operand is CONST_INT.  Take COSTS_N_INSNS into account.
583         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
584         shiftcosts.     
585
586 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
587
588         * config/avr/avr.opt (-msp8): Document it.
589         * doc/invoke.texi (AVR Options): Copy from trunk docu.
590
591 2012-05-31  Richard Guenther  <rguenther@suse.de>
592
593         PR middle-end/48493
594         * expr.c (expand_assignment): Do not use movmisalign on
595         non-memory.
596
597 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
598
599         PR target/52999
600         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
601         (pa_section_type_flags): New.
602         (pa_legitimate_constant_p): Revert previous change.
603
604 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
605
606         Backport from mainline
607         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
608
609         PR middle-end/53008
610         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
611         accessed indirectly.
612         (ipa_tm_create_version): Same.
613
614 2012-05-30  Jason Merrill  <jason@redhat.com>
615
616         PR c++/53220
617         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
618         about array compound literals.
619
620 2012-05-30  Richard Guenther  <rguenther@suse.de>
621
622         PR middle-end/53501
623         * fold-const.c (fold_binary_loc): Make sure to call
624         fold_plusminus_mult_expr with the original sign of operands.
625
626 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
627
628         * explow.c (probe_stack_range): Restore simple control flow and stop
629         again when the probe cannot be generated if HAVE_check_stack.
630
631 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
632
633         PR rtl-optimization/53519
634         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
635         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
636
637 2012-05-29  Richard Guenther  <rguenther@suse.de>
638
639         PR tree-optimization/53516
640         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
641         bitfield accesses.
642         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
643
644 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
645
646         Backport from mainline
647         2012-05-28  Richard Guenther  <rguenther@suse.de>
648
649         PR tree-optimization/53438
650         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
651
652 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
653
654         Backport from mainline
655         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
656
657         PR rtl-optimization/52528
658         * combine.c (can_combine_p): Add setting of subst_low_luid
659         before call to expand_field_assignment().
660
661 2012-05-26  Martin Jambor  <mjambor@suse.cz>
662
663         Backport from mainline
664         2012-05-23  Martin Jambor  <mjambor@suse.cz>
665
666         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
667
668 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
669
670         PR lto/52178
671         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
672         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
673
674 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
675
676         PR target/53435
677         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
678         (ix86_expand_vec_perm): Use int mode instead of float.
679
680 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
681
682         PR ada/52362
683         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
684         gnu_ld variables to yes.
685         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
686         (HAVE_GNU_AS): Likewise.
687         * config.in: Regenerate.
688         * configure: Likewise.
689
690 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
691
692         Backport from mainline
693         2012-03-12  Richard Guenther  <rguenther@suse.de>
694         * config/arm/arm.c (neon_dereference_pointer): Do not call
695         covert during RTL expansion.
696
697 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
698
699         Backport from mainline
700         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
701
702         PR target/53385
703         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
704         relied on signed overflow behavior.
705
706 2012-05-24  Richard Guenther  <rguenther@suse.de>
707
708         PR middle-end/53460
709         * tree-profile.c (tree_profiling): Cleanup the CFG if
710         execute_fixup_cfg requests it.
711
712 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
713
714         PR tree-optimization/53465
715         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
716         vr0 into *vr, then vrp_meet that.
717         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
718         have any equivalences.
719         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
720         first time.
721
722 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
723
724         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
725         size handling.
726         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
727         (iterative_hash_gimple_type): Adjust comment.
728         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
729         domain for an array type instead of the domain type itself.
730
731 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
732
733         Backport from 2012-05-23 mainline r187803
734
735         PR target/53448
736         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
737         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
738         ASM_OUTPUT_ALIGN.
739
740 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
741
742         Backport from 2012-05-03 mainline r187075
743
744         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
745         has_fma4 for AMD processors with both fma3 and fma4 support.
746
747 2012-05-22  Richard Guenther  <rguenther@suse.de>
748
749         PR tree-optimization/53408
750         * tree-vect-loop.c (vectorizable_induction): Properly check
751         the restriction that we cannot handle induction results from
752         the inner loop outside of the outer loop.
753
754 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
755
756         PR tree-optimization/53436
757         * omp-low.c (omp_build_component_ref): New function.
758         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
759
760         PR tree-optimization/53366
761         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
762         tests if complex_numbers == 2, but there are non-complex number loads
763         too.
764
765         PR tree-optimization/53409
766         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
767         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
768
769         PR tree-optimization/53410
770         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
771         instead of build_int_cst (type, 0) where vector types might be
772         involved.
773
774 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
775
776         PR c/53418
777         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
778         from folded operands before wrapping another around the
779         conditional expression.
780
781 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
782             Patrick Marlier  <patrick.marlier@gmail.com>
783
784         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
785         indirect calls.
786
787 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
788
789         Backport from mainline
790         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
791
792         PR target/53416
793         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
794         (UNSPECV_RDRAND): This.
795         (rdrand<mode>_1): Updated.
796
797 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
798
799         Backport from mainline
800         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
801
802         * config/i386/driver-i386.c (host_detect_local_cpu): Support
803         RDRND, F16C and FSGSBASE.
804
805 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
806
807         Backport from mainline
808         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
809
810         * tree-ssa-pre.c (can_value_number_call): Delete.
811         (compute_avail): Skip all statements with side effects.
812         <GIMPLE_CALL>: Skip calls to internal functions.
813
814 2012-05-18  David S. Miller  <davem@davemloft.net>
815
816         Backport r185385 from mainline
817         2012-03-14  Richard Guenther  <rguenther@suse.de>
818
819         PR middle-end/52584
820         * tree-vect-generic.c (type_for_widest_vector_mode): Take
821         element type instead of mode, use build_vector_type_for_mode
822         instead of the langhook, build a vector of proper signedness.
823         (expand_vector_operations_1): Adjust.
824
825 2012-05-18  Olivier Hainque  <hainque@adacore.com>
826
827         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
828         $(libsubdir) as libexecsubdir.
829
830 2012-05-16  Andrew Pinski  <apinski@cavium.com>
831
832         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
833         GIMPLE_ASSIGN.
834
835 2012-05-16  David S. Miller  <davem@davemloft.net>
836
837         * jump.c (delete_related_insns): If we remove a CALL, make sure
838         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
839
840 2012-05-16  Richard Henderson  <rth@redhat.com>
841
842         PR debug/52727
843         * combine-stack-adj.c (prev_active_insn_bb): New.
844         (next_active_insn_bb): New.
845         (force_move_args_size_note): New.
846         (combine_stack_adjustments_for_block): Use it.
847
848 2012-05-16  Olivier Hainque  <hainque@adacore.com>
849
850         * Makefile.in (install-no-fixedincludes): New target, former toplevel
851         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
852         Add comments and improve stamp preservation across the whole sequence.
853         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
854
855 2012-05-16  Richard Guenther  <rguenther@suse.de>
856
857         PR tree-optimization/53364
858         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
859         detect a view-conversion of the decl.
860
861 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
862
863         PR target/53358
864         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
865         that operands[2] is either immediate, or q_regs_operand.
866
867 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
868
869         Backport r187139 from mainline.
870         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
871
872         PR rtl-optimization/52804
873         * reload1.c (reload_reg_reaches_end_p): Check whether successor
874         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
875         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
876         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
877         RELOAD_FOR_OUTADDR_ADDRESS.
878
879 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
880
881         PR target/46098
882         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
883         generate target register for "load" class builtins.
884
885         Revert:
886         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
887
888         PR target/46098
889         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
890         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
891         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
892         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
893         (<sse>_movu<ssemodesuffix>): New expander.
894         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
895         (avx_movdqu<avxmodesuffix>): New expander.
896         (*sse2_movdqu): Rename from sse2_movdqu.
897         (sse2_movdqu): New expander.
898
899 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
900
901         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
902         lineno 1 the same as lineno 0 before first start file directive.
903         (optimize_macinfo_range): Likewise.
904
905         * dwarf2out.c (have_macinfo): Define.
906         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
907         attribute, don't force empty compilation unit and don't emit any
908         .debug_macinfo/.debug_macro section if macinfo_table is empty.
909
910 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
911
912         Backport from mainline
913         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
914
915         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
916         ORDERED and UNORDERED conditions.
917
918 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
919
920         * function.c (requires_stack_frame_p): If the function can throw
921         non-call exceptions, return true if the insn can throw internally.
922
923 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
924
925         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
926         DECL_ORIGINAL_TYPE if it is present.
927
928 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
929
930         Backport from 2012-05-12 mainline r187342.
931
932         PR target/53256
933         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
934         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
935         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
936         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
937         (expand_prologue): Move initialization of cfun->machine->is_naked,
938         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
939         (avr_set_current_function): ...this new static function.
940         (TARGET_SET_CURRENT_FUNCTION): New define.
941         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
942         checking attributes of current_function_decl.
943         (avr_regs_to_save): Ditto.
944         (signal_function_p): Rename to avr_signal_function_p.
945         (interrupt_function_p): Rename to avr_interrupt_function_p.
946
947         * doc/extend.texi (Function Attributes): Better explanation of
948         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
949         alphabetical order.
950
951 2012-05-09  Matthias Klose  <doko@ubuntu.com>
952
953         * gcc-ar.c (main): Don't check for execute bits for the plugin.
954
955 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
956
957         PR target/53272
958         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
959         when a constant source operand matches an "I" constraint, the "no
960         CC0 change" applies to a register-destination only, not a
961         strict_low_part-destination.
962
963 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
964
965         Backport from mainline:
966         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
967
968         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
969
970 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
971
972         PR tree-optimization/53239
973         * tree-vrp.c (get_value_range): Set VR of
974         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
975         to nonnull.
976
977 2012-05-07  Richard Guenther  <rguenther@suse.de>
978
979         PR tree-optimization/53195
980         * tree-inline.c (setup_one_parameter): Properly add referenced
981         vars from the parameters new known value.
982
983 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
984
985         Backport from mainline:
986         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
987
988         PR target/52999
989         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
990         in constant pool.
991
992 2012-05-04  Ian Lance Taylor  <iant@google.com>
993
994         * tree-vect-patterns.c (vect_single_imm_use): Correct return
995         values from false to NULL.
996
997 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
998
999         Backport from mainline
1000         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1001
1002         PR target/53228
1003         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1004         (TARGET_CMOV): Rename from TARGET_CMOVE.
1005         (TARGET_CMOVE): New define.
1006         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1007         Do not set TARGET_CMOVE here.
1008
1009 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1010
1011         Backport from mainline:
1012
1013         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1014
1015         PR tree-optimization/52633
1016         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1017         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1018         (vect_recog_over_widening_pattern): Remove handling of code that was
1019         already detected as over-widening pattern.  Remove special handling
1020         of "unsigned" cases.  Instead, support general case of conversion
1021         of the shift result to another type.
1022
1023         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1024
1025         * tree-vect-patterns.c (vect_single_imm_use): New function.
1026         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1027         (vect_recog_over_widening_pattern): Likewise.
1028         (vect_recog_widen_shift_pattern): Likewise.
1029
1030         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1031
1032         PR tree-optimization/52870
1033         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1034         presumed pattern statement is within the same loop or basic block.
1035
1036 2012-05-04  Richard Guenther  <rguenther@suse.de>
1037
1038         * common.opt (flto-report): Do not mark as Optimization.
1039
1040 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1041
1042         PR target/48496
1043         * recog.c (constrain_operands): If extra constraints are present, also
1044         accept pseudo-registers with equivalent memory locations during reload.
1045
1046 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1047
1048         Backport from the mainline
1049         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1050
1051         PR target/53199
1052         * config/rs6000/rs6000.md (bswapdi splitters): If
1053         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1054         default) is used, generate an alternate sequence that does not
1055         depend on using indexed addressing.
1056
1057 2012-05-03  David S. Miller  <davem@davemloft.net>
1058
1059         PR target/52684
1060         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1061         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1062         (sparc_emit_float_lib_cmp): Likewise.
1063
1064 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1065
1066         Backport from mainline
1067         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1068
1069         PR lto/52605
1070         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1071         of a variable when the contect is a function.
1072
1073 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1074
1075         PR plugins/53126
1076         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1077         append program name to it and pass that as first argument
1078         to make_relative_prefix.  Always pass standard_libexec_prefix
1079         as last argument to make_relative_prefix.  If
1080         make_relative_prefix returns NULL, fall back to
1081         standard_libexec_prefix.
1082
1083         PR debug/53174
1084         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1085         removed.
1086
1087         PR target/53187
1088         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1089         mode, return that mode.
1090
1091 2012-05-03  Richard Guenther  <rguenther@suse.de>
1092
1093         PR tree-optimization/53144
1094         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1095         Rename to ...
1096         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1097         with SSA name values.
1098         (vn_reference_lookup_3): Adjust callers.
1099
1100 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1101
1102         PR tree-optimization/53163
1103         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1104         return value from compute_all_dependences.
1105
1106         PR rtl-optimization/53160
1107         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1108         has been modified by ree pass already.
1109
1110 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1111
1112         Backport from mainline
1113         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1114
1115         PR middle-end/53136
1116         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1117         calls to cgraph_node_name in xstrdup.
1118         (ipa_make_edge_direct_to_target): Ditto.
1119         * tree-sra.c (convert_callers_for_node): Ditto.
1120         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1121         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1122         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1123         (cgraph_materialize_all_clones): Ditto.
1124         * ipa-inline.c (report_inline_failed_reason): Ditto.
1125         (want_early_inline_function_p): Ditto.
1126         (edge_badness): Ditto.
1127         (update_edge_key): Ditto.
1128         (flatten_function): Ditto.
1129         (ipa_inline): Ditto.
1130         (inline_always_inline_functions): Ditto.
1131         (early_inline_small_functions): Ditto.
1132
1133 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1134
1135         Backport from mainline
1136         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1137
1138         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1139         Introduce emul_name to select the right linker emulation for
1140         powerpc64-*-freebsd*.
1141         * configure: Regenerate.
1142         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1143         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1144         * config/rs6000/freebsd64.h: New file.
1145         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1146         POWERPC_FREEBSD.
1147         (rs6000_savres_strategy): Likewise.
1148         (rs6000_savres_routine_name): Likewise.
1149         (rs6000_elf_file_end): Likewise.
1150         * config/rs6000/t-freebsd64: New file.
1151         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1152         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1153
1154 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1155
1156         Backport from mainline
1157         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1158
1159         PR target/53138
1160         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1161
1162 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1163
1164         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1165         predicate to discriminate types.
1166
1167 2012-04-27  Richard Guenther  <rguenther@suse.de>
1168
1169         PR c/51527
1170         * convert.c (convert_to_integer): Avoid infinite recursion for
1171         target-defined built-in types.
1172
1173 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1174
1175         PR target/53120
1176         * config/cris/cris.md ("*andhi_lowpart_v32")
1177         ("*andqi_lowpart_v32"): Change first input-only operand from
1178         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1179         const_int-matching constraints for redundancy.
1180         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1181         three-operand alternative.
1182
1183 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1184
1185         Backport from mainline
1186         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1187
1188         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1189         (*addsi_2_zext): Ditto.
1190         (*add<mode>_3): Ditto.
1191         (*addsi_3_zext): Ditto.
1192         (*add<mode>_5): Ditto.
1193
1194 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1195
1196         PR c/52880
1197         * c-typeck.c (set_nonincremental_init,
1198         set_nonincremental_init_from_string): Pass true instead of false
1199         as IMPLICIT to add_pending_init.
1200
1201 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1202
1203         Backport from 2012-04-24 mainline r186768.
1204
1205         PR target/53065
1206         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1207
1208 2012-04-24  Richard Guenther  <rguenther@suse.de>
1209
1210         PR tree-optimization/53085
1211         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1212         stores.
1213
1214 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1215
1216         PR middle-end/53084
1217         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1218         of MEM_REF.
1219         (output_addressed_constants): Likewise.
1220
1221         PR middle-end/52999
1222         * varasm.c (get_section): Don't ICE for section conflicts with
1223         built-in section kinds.
1224
1225 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1226
1227         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1228
1229 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1230
1231         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1232
1233 2012-04-23  Richard Guenther  <rguenther@suse.de>
1234
1235         PR c/53060
1236         * c-typeck.c (build_binary_op): Fix typo.
1237
1238 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1239
1240         PR tree-optimizations/52891
1241         * tree-vect-patterns.c (adjust_bool_pattern): Use
1242         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1243         but with non-standard precision.
1244
1245 2012-04-22  Ian Lance Taylor  <iant@google.com>
1246
1247         * godump.c (go_output_typedef): Dump size of structs.
1248
1249 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1250
1251         Backport from mainline:
1252
1253         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1254         hints for 'A' operand types.
1255
1256 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1257
1258         Backport from 2012-04-19 mainline r186588.
1259
1260         PR target/53033
1261         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1262         the case *(X+const).
1263
1264 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1265
1266         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1267
1268 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1269
1270         PR target/53020
1271         * config/i386/sync.md (atomic_<code><mode>): Rename to
1272         atomic_<logic><mode>.
1273
1274 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1275
1276         Backport from mainline
1277         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1278
1279         PR target/52932
1280         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1281         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1282         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1283         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1284         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1285         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1286         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1287         gen_avx2_permvarv8sf.
1288
1289 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1290
1291         Backported from mainline
1292
1293         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1294         PR middle-end/52939
1295
1296         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1297         fold_ctor_reference returns a zero constant.
1298
1299 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1300
1301         Backported from mainline
1302         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1303
1304         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1305         and __ILP32__ for x32.
1306
1307 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1308
1309         Backport from mainline r186418.
1310
1311         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1312
1313         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1314         parameters vuse and vuse_escaped.
1315         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1316         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1317         vuse1 != vuse2.
1318
1319 2012-04-13  Richard Guenther  <rguenther@suse.de>
1320
1321         PR tree-optimization/52969
1322         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1323         the condition for the COND_EXPR and handle predicate negation
1324         by swapping the COND_EXPR arms.
1325
1326 2012-04-13  Richard Guenther  <rguenther@suse.de>
1327
1328         PR c/52862
1329         * convert.c (convert_to_pointer): Remove special-casing of
1330         zero.
1331
1332 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1333
1334         Backport from mainline
1335         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1336
1337         PR target/52775
1338         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1339         the list of options to enable the FCFID instruction.
1340         (TARGET_EXTRA_BUILTINS): Adjust comment.
1341
1342 2012-04-12  Richard Guenther  <rguenther@suse.de>
1343
1344         PR tree-optimization/52943
1345         * tree-chrec.h (chrec_is_positive): Remove.
1346         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1347         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1348         Return false for a constant zero instead of negative.
1349         (analyze_siv_subscript_cst_affine): Handle zero difference
1350         in the initial condition explicitely.
1351
1352 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1353
1354         PR middle-end/52894
1355         * varasm.c (process_pending_assemble_externals): Set
1356         pending_assemble_externals_processed true.
1357         (assemble_external): Call assemble_external_real if the pending
1358         assemble externals have been processed.
1359
1360 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1361
1362         PR target/52717
1363         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1364         the DECL generated for the special GOT helper.
1365
1366 2012-04-06  Walter Lee  <walt@tilera.com>
1367
1368         Backport from mainline
1369         2012-03-07  Walter Lee  <walt@tilera.com>
1370
1371         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1372         REG_CFA_* notes for the stack pointer.
1373         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1374         EH_RETURN_STACKADJ_RTX.
1375         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1376         generate REG_CFA_* notes for the stack pointer.
1377         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1378         by EH_RETURN_STACKADJ_RTX.
1379
1380 2012-04-06  Matt Turner  <mattst88@gmail.com>
1381
1382         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1383
1384 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1385
1386         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1387         of the destination isn't also a FP_REGS register.
1388
1389 2012-04-03  Richard Guenther  <rguenther@suse.de>
1390
1391         Backport from mainline
1392         2012-03-02  Richard Guenther  <rguenther@suse.de>
1393
1394         PR tree-optimization/52406
1395         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1396         (struct indices): Add unconstrained_base member.
1397         (struct dr_alias): Remove unused vops member.
1398         (DR_UNCONSTRAINED_BASE): New define.
1399         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1400         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1401         be an artificial access that covers the whole indexed object,
1402         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1403         plain decl base-objects to their MEM_REF variant.
1404         (dr_may_alias_p): When the base-object of either data reference
1405         has unknown size use only points-to information.
1406         (compute_affine_dependence): Make dumps easier to read and
1407         more verbose.
1408         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1409         DR_REF when looking for packed references.
1410         (vect_supportable_dr_alignment): Likewise.
1411
1412 2012-04-03  Richard Guenther  <rguenther@suse.de>
1413
1414         Backport from mainline
1415         2012-03-15  Richard Guenther  <rguenther@suse.de>
1416
1417         PR middle-end/52580
1418         * tree-data-ref.c (subscript_dependence_tester_1): Check
1419         all dimensions for non-conflicting access functions.
1420
1421 2012-04-03  Richard Guenther  <rguenther@suse.de>
1422
1423         Backport from mainline
1424         2012-03-06  Richard Guenther  <rguenther@suse.de>
1425
1426         PR middle-end/52493
1427         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1428
1429         2012-03-23  Richard Guenther  <rguenther@suse.de>
1430
1431         PR tree-optimization/52678
1432         * tree-vectorizer.h (struct _stmt_vec_info): Add
1433         loop_phi_evolution_part member.
1434         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1435         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1436         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1437         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1438         Use the cached evolution part and the PHI nodes value from
1439         the loop preheader edge instead of re-analyzing the evolution.
1440
1441         2012-03-26  Richard Guenther  <rguenther@suse.de>
1442
1443         PR tree-optimization/52701
1444         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1445         compute and set the evolution part of PHI nodes.
1446
1447         2012-03-30  Richard Guenther  <rguenther@suse.de>
1448
1449         PR tree-optimization/52754
1450         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1451         propagate arbitrary addresses into really plain dereferences.
1452
1453 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1454
1455         PR tree-optimization/52835
1456         * tree-data-ref.c (build_rdg): Return NULL if
1457         compute_data_dependences_for_loop failed.
1458
1459 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1460
1461         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1462         (stmt_can_make_abnormal_goto): Use it.
1463         (is_ctrl_altering_stmt): Likewise.
1464
1465 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1466
1467         Backported from mainline
1468         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1469
1470         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1471         is a builtin_stack_save in a dominating BB.
1472
1473 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1474
1475         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1476         crossing 128bit lane boundary.
1477
1478 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1479
1480         Backported from mainline
1481         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1482
1483         PR target/52698
1484         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1485         New prototype.
1486         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1487         * config/i386/i386.c: Include reload.h.
1488         (ix86_legitimize_reload_address): New function.
1489
1490 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1491
1492         Backported from mainline
1493         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1494
1495         PR middle-end/52693
1496         * tree-sra.c (sra_modify_assign): Do not call
1497         load_assign_lhs_subreplacements when working with an unscalarizable
1498         region.
1499
1500 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1501
1502         PR middle-end/52691
1503         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1504         __builtin_va_start to __builtin_next_arg if the latter is
1505         builtin_decl_explicit_p rather than when it is not.
1506
1507         PR middle-end/52750
1508         * tree-vect-generic.c (vector_element): Perform multiplication
1509         for pos in bitsizetype type instead of idx type.
1510
1511 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1512
1513         Backport from 2012-03-28 mainline r185910.
1514
1515         PR target/52692
1516         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1517         (avr_builtin_decl): New static function.
1518         (struct avr_builtin_description, avr_bdesc): Move up.
1519         Add GTY marker. Add field fndecl. Remove redundant field id.
1520         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1521         (avr_expand_builtin): Code cleanup because .id is removed.
1522
1523 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1524
1525         PR middle-end/51893
1526         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1527         targets.
1528
1529 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1530
1531         Backport from 2012-03-28 mainline r185907.
1532
1533         PR target/52737
1534         * config.gcc (tm_file): Remove avr/multilib.h.
1535
1536         * doc/invoke.texi (AVR Options): Adjust
1537         documentation of -mtiny-stack.
1538
1539         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1540         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1541         * config/avr/t-avr: Remove generation of multilib.h.
1542         * config/avr/t-multilib: Regenerate.
1543         * config/avr/multilib.h: Remove.
1544         * config/avr/avr.opt (-msp8): New option.
1545         (avr_sp8): New variable.
1546         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1547         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1548         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1549         (avr_device_to_sp8): New prototype.
1550         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1551         (DRIVER_SELF_SPECS): New define.
1552         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1553         __AVR_SP8__, __AVR_HAVE_SPH__.
1554         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1555         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1556         (avr_file_start): Ditto.
1557
1558 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR target/52736
1561         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1562         instead of 8 in adjust_address.
1563
1564 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1565
1566         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1567         of a unit before computing the offset in units.
1568
1569 2012-03-27  Richard Guenther  <rguenther@suse.de>
1570
1571         PR middle-end/52720
1572         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1573         explicitely.
1574
1575 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1576
1577         PR target/52610
1578         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1579
1580 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1581
1582         PR middle-end/52640
1583         * varasm.c: Include pointer-set.h.
1584         (pending_assemble_externals_set): New pointer set.
1585         (process_pending_assemble_externals): Destroy the pointer set.
1586         (assemble_external): See if decl is in pending_assemble_externals_set,
1587         and add it to pending_assemble_externals if necessary.
1588         (init_varasm_once): Allocate pending_assemble_externals_set.
1589
1590 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1591
1592         Backported from mainline
1593         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1594
1595         PR target/50310
1596         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1597         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1598         (vector_ltgt<mode>): Likewise.
1599         (vector_ordered<mode>): Likewise.
1600         (vector_unordered<mode>): Likewise.
1601         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1602
1603 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1604
1605         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1606         Make static.
1607
1608 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1609
1610         Backported from mainline
1611         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1612
1613         PR target/48596
1614         PR target/48806
1615         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1616         GENERAL_REGS and FP_REGS for SImode.
1617
1618 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1619
1620         PR middle-end/52547
1621         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1622         on any new_local_var_chain vars declared during recursing on
1623         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1624
1625 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1626
1627         Backport from 2012-03-22 mainline r185692.
1628
1629         PR target/52496
1630         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1631         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1632         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1633         (delay_cycles_1, delay_cycles_2): Ditto.
1634         (delay_cycles_3, delay_cycles_4): Ditto.
1635         (nopv, *nopv): Ditto.
1636         (sleep, *sleep): Ditto.
1637         (wdr, *wdr): Ditto.
1638
1639         Backport from 2012-03-21 mainline r185605.
1640
1641         PR rtl-optimization/52543
1642         PR target/52461
1643         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1644         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1645         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1646         (avr_load_libgcc_p): Restrict to __flash loads.
1647         (avr_out_lpm): Only handle 1-byte loads from __flash.
1648         (avr_load_lpm): New function.
1649         (avr_find_unused_d_reg): Remove.
1650         (avr_out_lpm_no_lpmx): Remove.
1651         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1652         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1653         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1654         (load_<mode>, load_<mode>_clobber): New insns.
1655         (mov<mode>): For multi-byte move from non-generic
1656         16-bit address spaces: Expand to load_<mode> resp.
1657         load_<mode>_clobber.
1658         (load<mode>_libgcc): Remove expander.
1659         (split-lpmx): Remove split.
1660
1661         Backport from 2012-03-13 mainline r185329.
1662
1663         PR target/52488
1664         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1665         offset (size) to a value the insns can deal with.
1666         (expand_epilogue): Ditto.
1667
1668         Backport from 2012-03-12 mainline r185256.
1669
1670         PR target/52499
1671         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1672         type from reg_class_t to enum reg_class.
1673         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1674
1675         Backport from 2012-03-12 mainline r185253.
1676
1677         PR target/52148
1678         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1679         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1680         r184615 from 2012-02-28.
1681
1682         Backport from 2012-03-08 mainline r185105.
1683
1684         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1685         for constants in [-63,63].
1686
1687         Backport from 2012-03-08 mainline r185100.
1688
1689         PR target/52496
1690         * config/avr/avr.c (avr_mem_clobber): New static function.
1691         (avr_expand_delay_cycles): Add memory clobber operand to
1692         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1693         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1694         (enable_interrupt, disable_interrupt): New expander.
1695         (nopv, sleep, wdr): New expanders.
1696         (delay_cycles_1): Add memory clobber.
1697         (delay_cycles_2): Add memory clobber.
1698         (delay_cycles_3): Add memory clobber.
1699         (delay_cycles_4): Add memory clobber.
1700         (cli_sei): New insn from former "enable_interrupt",
1701         "disable_interrupt" with memory clobber.
1702         (*wdt): New insn from former "wdt" with memory clobber.
1703         (*nopv): Similar, but for "nopv".
1704         (*sleep): Similar, but for "sleep".
1705
1706         Backport from 2012-03-07 mainline r185043.
1707
1708         PR target/52484
1709         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1710
1711         Backport from 2012-03-07 mainline r185032.
1712
1713         PR target/52506
1714         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1715         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1716         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1717
1718         Backport from 2012-03-07 mainline r185031.
1719
1720         PR target/52505
1721         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1722         from RAM.
1723         * config/avr/avr.md (xload_8): Adjust insn length.
1724
1725         Backport from 2012-03-07 mainline r185030.
1726
1727         PR target/52461
1728         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1729         if RAMPZ affects reading from RAM.
1730
1731         Backport from 2012-03-05 mainline r184919.
1732
1733         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1734
1735 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1736
1737         Backport from mainline r185259.
1738
1739         PR other/52545
1740         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1741         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1742
1743 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1744
1745         Backported from mainline
1746         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1747
1748         PR c/52577
1749         * c-parser.c (c_parser_postfix_expression)
1750         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1751
1752         * config/i386/smmintrin.h: Avoid /* within a comment.
1753         * config/i386/nmmintrin.h: Likewise.
1754
1755 2012-03-22  Richard Guenther  <rguenther@suse.de>
1756
1757         * BASE-VER: Set to 4.7.1.
1758         * DEV-PHASE: Set to prerelease.
1759
1760 2012-03-22  Release Manager
1761
1762         * GCC 4.7.0 released.
1763
1764 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1765
1766         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1767
1768 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1769             Andrew Pinski  <apinski@cavium.com>
1770
1771         PR middle-end/52592
1772         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1773         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1774         calls instead of __builtin_ir{int,ound}*.
1775
1776 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1777
1778         PR c++/52582
1779         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1780         if c_node is NULL.
1781
1782 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1783
1784         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1785         Refer to GCC 4.7 version of c99status.html.
1786
1787 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1788
1789         Backport from mainline
1790         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1791
1792         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1793         redefine to be NULL if the current bit-size is different from the
1794         configured bit-size.
1795
1796         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1797         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1798         set the default tuning.  Add asserts to make sure the cpu and tune
1799         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1800         test whether the index is set, instead of > 0.
1801         (rs6000_file_start): Do not reset the default cpu if the current
1802         bit-size is different from the configured bit-size.
1803
1804 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1805
1806         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1807         binutils reference.
1808         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1809         Update binutils references.
1810         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1811         Update binutils reference.
1812         Update Sun as/GNU ld caveat.
1813         Document binutils largefile requirement for LTO plugin.
1814         Remove reference to alternate libpthread.
1815
1816 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1817
1818         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1819         reference.
1820         (Specific, mips-sgi-irix6): Likewise.
1821
1822 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1823
1824         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1825         * configure: Regenerate.
1826
1827 2012-03-07  Richard Henderson  <rth@redhat.com>
1828
1829         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1830         * config/m68k/sync.md (atomic_test_and_set): Use it.
1831         (atomic_test_and_set_1): Likewise.
1832
1833 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1834
1835         PR target/51417
1836         * Makefile.in: Let install-gcc-ar depend on installdirs,
1837         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1838         Don't double canonicalize if cross-compiling.
1839
1840 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1841
1842         * trans-mem.c: New typedef for tm_region_p.
1843         Define vector types for tm_region_p.
1844         (tm_region_init): Replace region_worklist to a vector called
1845         bb_regions.
1846
1847 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1848
1849         PR middle-end/52463
1850         * trans-mem.c (tm_region_init): Use last_basic_block.
1851
1852 2012-03-05  Richard Henderson  <rth@redhat.com>
1853
1854         PR tree-opt/52242
1855         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1856         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1857         BIGGEST_ALIGNMENT is aligned.
1858
1859 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1860
1861         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1862
1863 2012-03-05  Richard Henderson  <rth@redhat.com>
1864
1865         PR target/52481
1866         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1867         instead of calling negqi2 directly.
1868
1869 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1870
1871         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1872         (INTMAX_TYPE): Use it.
1873         (UINTMAX_TYPE): Likewise.
1874         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1875         (irix6_c_common_override_options): Declare.
1876         (C_COMMON_OVERRIDE_OPTIONS): Define.
1877         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1878         * config/mips/irix6-c.c: New file.
1879         * config/mips/t-irix6 (irix6-c.o): New target.
1880         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1881         cxx_target_objs.
1882
1883 2012-03-02  Richard Henderson  <rth@redhat.com>
1884
1885         * optabs.c (expand_atomic_test_and_set): Honor
1886         atomic_test_and_set_trueval even when atomic_test_and_set
1887         optab is not in use.
1888
1889 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1890
1891         Backport from mainline
1892         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1893
1894         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1895
1896 2012-03-02  Richard Guenther  <rguenther@suse.de>
1897
1898         * DEV-PHASE: Set to prerelease.
1899
1900 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1901
1902         * config.gcc (obsolete): Add all ARM targets using the FPA.
1903         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1904         * doc/install.texi: Avoid references to obsolete ARM ports.
1905
1906 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1907
1908         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1909
1910 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1911             Joern Rennecke  <joern.rennecke@embecosm.com>
1912
1913         * doc/extend.texi: Expand and update information on interrupt
1914         attribute for Epiphany.
1915
1916 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1917
1918         * config/sh/sh-protos.h: Update copyright notice dates.
1919         * config/sh/sh.h: Likewise.
1920         * config/sh/sh.md: Likewise.
1921         * config/sh/constraints.md: Likewise.
1922         * config/sh/predicates.md: Likewise.
1923
1924 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1925
1926         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1927         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1928
1929 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1930
1931         * config/sh/constraints.md: Fix comment typo.
1932
1933 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1934
1935         PR target/52408
1936         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1937         unsigned HOST_WIDE_INT.
1938         (zvdep_imm64): Likewise.
1939         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1940         (vdepi_and): Likewise.
1941         Likewise for unamed 64-bit patterns.
1942         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1943
1944 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1945
1946         PR debug/52001
1947         PR rtl-optimization/52417
1948         * cselib.c (cselib_any_perm_equivs): New variable.
1949         (cselib_reset_table): Check that it's not set when not
1950         preserving constants.
1951         (cselib_add_permanent_equiv): Set it.
1952         (cselib_have_permanent_equivalences): New.
1953         (cselib_init, cselib_finish): Reset it.
1954         * cselib.h (cselib_have_permanent_equivalences): Declare.
1955         * alias.c (get_addr): Restore earlier behavior when there
1956         aren't permanent equivalences.
1957
1958 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1959
1960         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1961         * config/v850/v850-modes.def: Fix copyright notice.
1962
1963 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1964
1965         * doc/extend.texi (AVR Built-in Functions): Document
1966         __builtin_avr_flash_segment.
1967
1968         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1969         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1970         (*split.flash_segment): New insn-and-split.
1971         * config/avr/avr.c (avr_init_builtins): Add local variables:
1972         const_memx_void_node, const_memx_ptr_type_node,
1973         char_ftype_const_memx_ptr.
1974
1975 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1976
1977         PR tree-optimization/52445
1978         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1979         add ssa_name_ver, offset and size fields and change store field
1980         to bool.
1981         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1982         (add_or_mark_expr): Likewise.  Only consider previous stores
1983         with the same size and offset.
1984         (nt_init_block): Only look at gimple_assign_single_p stmts,
1985         doesn't look at rhs2.
1986
1987 2012-03-01  Richard Guenther  <rguenther@suse.de>
1988
1989         PR middle-end/52443
1990         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1991         conversions from integral types to pointer types.
1992
1993 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1994
1995         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1996         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1997         unintentionally removed in r184616.
1998
1999 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2000
2001         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2002         3DNow from bdver1.
2003
2004 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2005             Uros Bizjak  <ubizjak@gmail.com>
2006
2007         PR target/52437
2008         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2009         alternatives, add "e" constraint to the new last alternative
2010         and ! to last 3 alternatives.
2011
2012 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2013
2014         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2015         DW_AT_artificial attributes at the end of the processing.
2016         (gen_array_type_die): Likewise.
2017         (gen_enumeration_type_die): Likewise.
2018         (gen_struct_or_union_type_die): Likewise.
2019         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2020         the parent type.
2021
2022 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2023
2024         PR middle-end/52419
2025         * expr.c (expand_assignment): If doing misaligned store that doesn't
2026         cover all mode bits, perform a RMW cycle.
2027
2028         PR tree-optimization/52429
2029         * tree-parloops.c (separate_decls_in_region_debug): Return early
2030         if var is LABEL_DECL.
2031
2032 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2033
2034         PR tree-optimization/52424
2035         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2036         calling dom_thread_across_edge.
2037
2038 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2039
2040         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2041
2042 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2043
2044         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2045         * config/avr/avr.c (avr_output_bld): Remove unused function.
2046         (avr_out_sbxx_branch): Use "%T" to print bit position.
2047
2048 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2049
2050         * config/avr/avr.md: Untabify.
2051
2052 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2053
2054         * config/avr/avr.md (eqne): New code iterator.
2055         (*dec-and-branchsi): Use it in text peephole's condition.
2056         (*dec-and-branchhi): Ditto.
2057         (*dec-and-branchqi): Ditto.
2058
2059 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2060
2061         PR target/49939
2062         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2063         the device does not have the skip-bug.
2064
2065 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2066
2067         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2068         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2069         -mpretend-cmove): New.
2070
2071 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2072
2073         PR bootstrap/52397
2074         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2075         doesn't count DEBUG_INSN refs.
2076         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2077         for DEBUG_INSN refs.
2078
2079 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2080
2081         Partially revert:
2082
2083         2012-02-20  Richard Guenther  <rguenther@suse.de>
2084         PR tree-optimization/52298
2085         * tree-vect-stmts.c (vectorizable_load): Properly use
2086         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2087         outer loops.
2088
2089 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2090
2091         PR middle-end/51752
2092         * gimple.h (gimple_in_transaction): New.
2093         (gimple_set_in_transaction): New.
2094         (struct gimple_statement_base): Add in_transaction field.
2095         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2096         transaction loads.
2097         (tree_ssa_lim_initialize): Compute transaction bits.
2098         * tree.h (compute_transaction_bits): Protoize.
2099         * trans-mem.c (tm_region_init): Use the heap to store BB
2100         auxilliary data.
2101         (compute_transaction_bits): New.
2102
2103 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2104
2105         * gcc.c (display_help): Document --help=common and sort entries
2106         alphabetically.
2107
2108 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2109
2110         * doc/install.texi: Document check-$LANG specific shortcuts
2111
2112 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2113
2114         PR target/51534
2115         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2116         and vcgtu.
2117         * config/arm/arm_neon.h: Regenerate.
2118         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2119         (neon_vcgeu): New insn.
2120         (neon_vcgtu): Likewise.
2121         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2122         (ops): Unsigned comparison intrinsics call a different
2123         builtin.
2124
2125 2012-02-28  Richard Guenther  <rguenther@suse.de>
2126
2127         PR target/52407
2128         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2129         ordering for the VEC_CONCAT for two element vectors for
2130         V2SFmode, V2SImode and V2DImode.
2131
2132 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2133
2134         PR target/49448
2135         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2136         detecting big-endian triplets.
2137
2138 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2139
2140         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2141         mode if there is no type information available.
2142
2143 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2144
2145         PR tree-optimization/53207
2146         * doc/invoke.texi: Document as experimental and relying on graphite.
2147
2148 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2149
2150         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2151         of initializer to changes from r184614.
2152
2153 2012-02-28  Richard Guenther  <rguenther@suse.de>
2154
2155         PR tree-optimization/52395
2156         * tree-sra.c (build_ref_for_offset): Also look at the base
2157         TYPE_ALIGN when figuring out the alignment of the replacement.
2158
2159 2012-02-28  Richard Guenther  <rguenther@suse.de>
2160
2161         PR tree-optimization/52402
2162         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2163         mis-aligned types when creating the accesses at the call site.
2164
2165 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2166
2167         * config/avr/builtins.def: New file.
2168         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2169         * config/avr/avr.c (enum avr_builtin_id): Use it.
2170         (avr_init_builtins): Use it. And use avr_bdesc.
2171         (bdesc_1arg): Remove.
2172         (bdesc_2arg): Remove.
2173         (bdesc_3arg): Remove.
2174         (struct avr_builtin_description): Add field n_args.
2175         (avr_bdesc): New static variable using builtins.def.
2176         (avr_expand_builtin): Use it.
2177         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2178         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2179         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2180
2181 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2182
2183         PR target/52148
2184         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2185         match only one single hard register with respective hard reg rtx.
2186         (movmemx_<mode>): Ditto.
2187         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2188         insn anatomy of movmem[x]_<mode>.
2189         (avr_out_movmem): Same for printing assembler and operand usage.
2190
2191 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2192
2193         PR target/49868
2194         PR target/52261
2195         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2196         address spaces located outside of device flash.
2197
2198         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2199         (mcu_type_s): Add field n_flash.
2200         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2201         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2202         (AVR_MCU): Add N_FLASH argument.
2203         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2204         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2205         macro __FLASH<n> if that address space makes sense for the device.
2206         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2207         outside of target flash.
2208         (avr_asm_named_section): Ditto.
2209         (avr_asm_select_section): Ditto.
2210         (avr_addr_space_convert): Ditto.
2211         (avr_emit_movmemhi): Ditto.
2212         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2213         address space is outside of device flash.
2214         (avr_insert_attributes): Ditto.
2215         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2216         avr_current_arch->n_segments.
2217
2218 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2219
2220         PR target/52352
2221         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2222         TARGET_LP64.
2223         (*movabs<mode>_2): Likewise.
2224
2225 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2226
2227         PR target/52375
2228         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2229         s_register_operand in the test instead of REG_P.  Don't call
2230         gen_reg_rtx if it won't be used.
2231
2232         PR tree-optimization/52376
2233         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2234
2235 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2236
2237         * ifcvt.c (noce_get_condition): Check condition variable is not
2238         small_register_classes_for_mode_p before accepting.
2239
2240 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2241
2242         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2243
2244 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2245
2246         Revert:
2247         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2248         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2249         tuning parameters.
2250         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2251
2252 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2253
2254         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2255
2256 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2257
2258         * config/sh/predicates.md: Remove blank lines.
2259         * config/sh/sh.c: Fix typos in comments.
2260         * config/sh/constraints.md: Likewise.
2261         * config/sh/sh.md: Remove blank lines.
2262         Fix typos in comments.  Use ;; as comment characters.
2263
2264 2012-02-26  Walter Lee  <walt@tilera.com>
2265
2266         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2267         (replace_mov_pcrel_step2): Ditto.
2268
2269 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2270
2271         PR debug/52001
2272         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2273         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2274         and locs that reference values newer than the non-canonical value
2275         at hand.  Return the canonical value as a worst case.
2276         (memrefs_conflict_p): Walk canonical value's locs.
2277
2278         PR debug/52001
2279         * cselib.c (preserve_only_constants): Rename to...
2280         (preserve_constants_and_equivs): ... this.  Split out...
2281         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2282         of other preserved expressions too.
2283         (cselib_reset_table): Adjust.
2284         * var-tracking.c (reverse_op): Use canonical value to build
2285         reverse operation.
2286
2287 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2288
2289         * config/i386/i386.c (ix86_delegitimize_address): Handle
2290         UNSPEC_PCREL plus displacement.
2291
2292 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2293
2294         PR target/52261
2295         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2296         to test for unusedness in st X addressing.
2297
2298 2012-02-24  Richard Guenther  <rguenther@suse.de>
2299
2300         PR middle-end/52361
2301         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2302         (is_gimple_reg_type): Move inline ...
2303         * gimple.h (is_gimple_reg_type): ... here.
2304
2305 2012-02-24  Richard Guenther  <rguenther@suse.de>
2306
2307         PR middle-end/52361
2308         * passes.c (execute_function_todo): When verifying SSA form
2309         verify gimple form first.
2310         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2311
2312 2012-02-24  Richard Guenther  <rguenther@suse.de>
2313
2314         PR middle-end/52355
2315         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2316         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2317
2318 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2319
2320         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2321
2322 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2323
2324         * tree-phinodes.c (make_phi_node): Mark static.
2325         * tree-flow.h (make_phi_node): Remove extern decl.
2326         * doc/gimple.texi (make_phi_node): Remove documentation.
2327
2328 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2329
2330         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2331         * tree-ssa-sccvn.c (print_scc): Ditto.
2332
2333 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2334
2335         * doc/passes.texi (Full redundancy elimination): Fix typo.
2336
2337 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2338
2339         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2340
2341 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2342
2343         PR bootstrap/52287
2344         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2345
2346 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2347
2348         PR c/52290
2349         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2350
2351 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2352
2353         * config/avr/avr.md (code_stdname): Add ior, xor.
2354         (xior): New code iterator.
2355         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2356         (*<code_stdname><mode>qi.byte1-3): Ditto.
2357
2358 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2359
2360         PR tree-optimization/52019
2361         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2362         CLOBBER stmts.
2363
2364 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2365
2366         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2367         HAVE_INITFINI_ARRAY to work around namespace pollution in
2368         certain versions of newlib system headers.
2369         * config.in: Regenerate.
2370         * configure: Regenerate.
2371         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2372         instead of HAVE_INITFINI_ARRAY.
2373
2374 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2375
2376         PR target/52330
2377         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2378         is not offsettable memory reference.
2379
2380 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2381
2382         PR target/18145
2383         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2384         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2385
2386 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2387
2388         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2389         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2390
2391 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2392
2393         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2394         library on Solaris 8 even without TLS support.
2395         * configure: Regenerate.
2396
2397 2012-02-22  Richard Guenther  <rguenther@suse.de>
2398
2399         PR middle-end/52329
2400         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2401         for GIMPLE_DEBUG stmts.
2402
2403 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2404
2405         PR middle-end/51782
2406         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2407         according to the base object.
2408
2409 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2410
2411         PR rtl-optimization/50063
2412         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2413         and 2 (8-bit SP) in operand 2.
2414         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2415         setup to use movhi_sp_r instead of vanilla move to write SP.
2416         Adjust REG_CFA notes to superseed unspec.
2417         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2418         of vanilla move.
2419         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2420         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2421         irq_state 1 (IRQ known to be on) here.
2422
2423 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2424
2425         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2426         WORDS_BIG_ENDIAN.
2427         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2428         assign_hard_reg): Likewise.
2429
2430 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2431
2432         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2433
2434 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2435
2436         * config/avr/avr.md
2437         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2438         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2439
2440 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2441
2442         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2443         prototype from here to...
2444         * config/avr/avr.h: ...here.
2445
2446 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2447
2448         PR target/52294
2449         * thumb2.md (thumb2_shiftsi3_short): Split register and
2450         immediate shifts.  For register shifts tie operands 0 and 1.
2451         (peephole2 for above): Check that register-controlled shifts
2452         have suitably tied operands.
2453
2454 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2455
2456         PR target/52137
2457         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2458         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2459         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2460         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2461         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2462         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2463         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2464         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2465         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2466         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2467         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2468         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2469         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2470         bdver1_ssevector_avx256_unaligned_load,
2471         bdver1_ssevector_sse128_unaligned_load,
2472         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2473         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2474         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2475         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2476         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2477         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2478         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2479         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2480         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2481         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2482         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2483         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2484         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2485         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2486         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2487         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2488         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2489         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2490         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2491         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2492         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2493         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2494         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2495         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2496         bdver1_ssediv_double_load, bdver1_ssediv_double,
2497         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2498         Add "bdver2" attribute.
2499
2500 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2501
2502         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2503         default if possible and not specified otherwise.
2504
2505 2012-02-21  Richard Guenther  <rguenther@suse.de>
2506
2507         PR middle-end/52314
2508         * gimplify.c (create_tmp_from_val): Use the main variant type
2509         for the type of the temporary we create.
2510
2511 2012-02-21  Richard Guenther  <rguenther@suse.de>
2512
2513         PR tree-optimization/52324
2514         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2515         do not gimplify a MEM_REF address operand if it is already
2516         in suitable form.
2517
2518 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2519
2520         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2521         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2522
2523 2012-02-21  Richard Guenther  <rguenther@suse.de>
2524
2525         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2526         nested_in_vect_loop.
2527
2528 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2529
2530         PR tree-optimization/52318
2531         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2532         vdef also to non-pure/const call stmts in the sequence.
2533
2534 2012-02-20  David S. Miller  <davem@davemloft.net>
2535
2536         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2537         don't use the "rd %pc" instruction on v9 for PIC register loads.
2538
2539 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2540
2541         PR middle-end/52141
2542         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2543         in a transaction safe function.
2544
2545 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2546
2547         PR target/52238
2548         * stor-layout.c (place_field): Handle desired_align for
2549         ms-bitfields, too.
2550
2551 2012-02-20  Richard Guenther  <rguenther@suse.de>
2552
2553         PR tree-optimization/52298
2554         * tree-vect-stmts.c (vectorizable_store): Properly use
2555         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2556         outer loops.
2557         (vectorizable_load): Likewise.
2558         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2559         Access DR_STEP after ensuring it is not NULL.
2560
2561 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2562
2563         PR tree-optimization/52286
2564         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2565         optimization use double_int_to_tree instead of build_int_cst_wide,
2566         rewrite to use double_int vars.
2567
2568 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2569
2570         PR target/50166
2571         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2572         Define _start.
2573         Remove -e 0 from $gcc_cv_ld invocation.
2574         Only use __GLIBC_PREREQ if defined.
2575         Enable on Solaris since Solaris 8 patch.
2576         (gcc_SUN_LD_VERSION): New macro.
2577         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2578         gcc_SUN_LD_VERSION for version number format.
2579         * configure: Regenerate.
2580         * varasm.c (get_elf_initfini_array_priority_section): Set
2581         SECTION_NOTYPE for non-default priority.
2582         Use get_section instead of get_unnamed_section to emit
2583         .init_array/.fini_array with default priority.
2584
2585 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2586
2587         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2588         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2589         (mips_start_unique_function, mips_output_mips16_rdhwr)
2590         (mips_code_end): New functions.
2591         (TARGET_ASM_CODE_END): Define.
2592
2593 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2594
2595         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2596         to stubs with non-sibling calls.
2597
2598 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2599
2600         * doc/invoke.texi (-fira-* options): Copy-edit.
2601         (ira-* parameters): Copy-edit.
2602
2603 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2604
2605         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2606         GCC coding conventions.
2607
2608 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2609
2610         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2611         when used as adjectives.
2612
2613 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2614
2615         * doc/invoke.texi: Clean up "that"/"which" confusion.
2616
2617 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2618
2619         * system.h: Poison SMALL_REGISTER_CLASSES
2620         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2621         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2622
2623 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2624
2625         PR tree-optimization/52285
2626         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2627         when deciding if a call is a tail call or tail recursion.
2628
2629 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2630
2631         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2632         interger-constant displacement for UNSPEC_PCREL.
2633
2634 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2635
2636         PR rtl-optimization/52208
2637         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2638         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2639
2640         PR tree-optimization/52255
2641         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2642         loop->header has virtual PHI, but exit_e->dest doesn't, add
2643         virtual PHI to exit_e->dest and adjust all uses after the loop.
2644
2645         PR debug/52260
2646         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2647         children with clone_tree_hash, not after it.
2648
2649 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2650
2651         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2652         extended identifiers.
2653
2654 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2655
2656         PR middle-end/51929
2657         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2658         a same_body_alias, also test whether e->callee isn't a former
2659         or current clone of the decl this is a same body alias of.
2660
2661         PR translation/52264
2662         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2663
2664 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2665
2666         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2667
2668 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2669
2670         PR target/52199
2671         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2672         force_reg instead of copy_to_reg for better optimization.  Force
2673         non-register or memory operands into a register.
2674
2675 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2676
2677         * extend.texi: Reserve upper bits of memory model for future use.
2678
2679 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2680             Anatoly Sokolov <aesok@post.ru>
2681             Eric Weddington <eric.weddington@atmel.com>
2682
2683         PR target/52261
2684         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2685         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2686         Rewrite initializers for .macro.
2687         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2688         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2689         atxmega32d4, atxmega32x1.
2690         avrxmega4: atxmega64a3, atxmega64d3.
2691         avrxmega5: atxmega64a1, atxmega64a1u.
2692         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2693         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2694         avrxmega7: atxmega128a1, atxmega128a1u.
2695         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2696         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2697         (struct base_arch_s): Rename reserved to xmega_p.
2698         Rename reserved2 to have_rampd.
2699         (AVR_XMEGA): New define.
2700         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2701         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2702         * config/avr/predicates.md (io_address_operand): Take into
2703         account SFR offset.
2704         (low_io_address_operand): Ditto.
2705         (high_io_address_operand): Ditto.
2706         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2707         (enabled, movhi_sp_r): Use them.
2708         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2709         cpp_define_formatted to built-in define __AVR_ARCH__.
2710         (__AVR_XMEGA__): New built-in define.
2711         (__AVR_HAVE_RAMPD__): New built-in define.
2712         (__AVR_HAVE_RAMPX__): New built-in define.
2713         (__AVR_HAVE_RAMPY__): New built-in define.
2714         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2715
2716         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2717         (avr_option_override): Initialize them.
2718         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2719         (avr_init_expanders): Initialize them. No more block several calls.
2720         (emit_push_sfr): New static function.
2721         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2722         Handle AVR_XMEGA.
2723         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2724         (avr_print_operand): Print addreeses as symbols for
2725         RAMPX, RAMPY, RAMPD, CCP.
2726         (output_movhi): Handle AVR_XMEGA when writing to SP.
2727         (avr_out_movhi_mr_r_xmega): New static function.
2728         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2729         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2730         __RAMPD__,  __CCP__ as needed.
2731
2732         * config/avr/multilib.h: Regenerate.
2733         * config/avr/t-multilib: Regenerate.
2734         * config/avr/avr-tables.opt: Regenerate.
2735
2736 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2737
2738         PR tree-optimization/50561
2739         * graphite-flattening.c (lst_project_loop): Do not
2740         remove old scattering dimensions after flattening.
2741         (lst_do_flatten): Likewise.
2742
2743 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2744
2745         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2746         __builtin_avr_map8, __builtin_avr_map16.
2747         Document __builtin_avr_insert_bits.
2748
2749         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2750         (insert_bits): New insn.
2751         (adjust_len.map_bits): Rename to insert_bits.
2752         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2753         * avr-protos.h (avr_out_map_bits): Remove.
2754         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2755         * config/avr/constraints.md (Cxf,C0f): New.
2756         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2757         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2758         New built-in define __BUILTIN_AVR_INSERT_BITS.
2759         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2760         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2761         (avr_move_bits): Rewrite.
2762         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2763         functions.
2764         (avr_map_op_t): New typedef.
2765         (avr_map_op): New static variable.
2766         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2767         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2768         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2769         (bdesc_3arg, avr_expand_triop_builtin): New.
2770         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2771         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2772         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2773         (avr_map_equal_p, avr_map_sig_p): Remove.
2774         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2775         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2776         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2777         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2778         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2779         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2780
2781 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2782
2783         * config/c6x/c6x.md (reserve_cycles): New attribute.
2784         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2785         don't reserve functional units after the branch occurs.
2786
2787 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2788
2789         PR middle-end/52142
2790         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2791         functions into non-tm_pure functions.
2792
2793 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2794
2795         PR lto/52178
2796         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2797         (iterative_hash_canonical_type): Likewise.
2798         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2799         the dead edges.
2800
2801 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2802
2803         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2804         sched-group insn, it either remains alone or the entire list is pruned.
2805
2806 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2807
2808         * doc/install.texi (Prerequisites): Fix grammar.
2809         (Configuration): Likewise.
2810
2811 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2812
2813         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2814         MPC as part of GCC before describing configuring with --with-gmp etc.
2815         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2816         sources are present.
2817
2818 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2819
2820         PR debug/51950
2821         * dwarf2out.c (clone_tree_hash): New function.
2822         (copy_decls_walk): Use it instead of clone_tree.
2823
2824 2012-02-14  Richard Guenther  <rguenther@suse.de>
2825
2826         PR tree-optimization/52244
2827         PR tree-optimization/51528
2828         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2829         replacements for integral types.
2830
2831 2012-02-14  Walter Lee  <walt@tilera.com>
2832
2833         * config.gcc: Handle tilegx and tilepro.
2834         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2835         tilegx and tilepro.
2836         Add HAVE_AS_TLS check for tilegx and tilepro.
2837         * configure: Regenerate.
2838         * doc/contrib.texi: Add Mat Hostetter and self.
2839         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2840         Document instruction intrinsics and network accessing intrinsics.
2841         (TILEPro Built-in Functions): New node.  Document instruction
2842         intrinsics and network accessing intrinsics.
2843         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2844         (Specific, tilepro-*-linux*): Likewise.
2845         * doc/invoke.texi (TILE-Gx Options): New section.
2846         (TILEPro Options): New section.
2847         * doc/md.texi (TILE-Gx): New section.
2848         (TILEPro): New section.
2849         * common/config/tilegx/tilegx-common.c: New file.
2850         * common/config/tilepro/tilepro-common.c: New file.
2851         * config/tilegx/constraints.md: New file.
2852         * config/tilegx/linux.h: New file.
2853         * config/tilegx/mul-tables.c: New file.
2854         * config/tilegx/predicates.md: New file.
2855         * config/tilegx/sync.md: New file.
2856         * config/tilegx/t-tilegx: New file.
2857         * config/tilegx/tilegx-builtins.h: New file.
2858         * config/tilegx/tilegx-c.c: New file.
2859         * config/tilegx/tilegx-generic.md: New file.
2860         * config/tilegx/tilegx-modes.def: New file.
2861         * config/tilegx/tilegx-multiply.h: New file.
2862         * config/tilegx/tilegx-protos.h: New file.
2863         * config/tilegx/tilegx.c: New file.
2864         * config/tilegx/tilegx.h: New file.
2865         * config/tilegx/tilegx.md: New file.
2866         * config/tilegx/tilegx.opt: New file.
2867         * config/tilepro/constraints.md: New file.
2868         * config/tilepro/gen-mul-tables.cc: New file.
2869         * config/tilepro/linux.h: New file.
2870         * config/tilepro/mul-tables.c: New file.
2871         * config/tilepro/predicates.md: New file.
2872         * config/tilepro/t-tilepro: New file.
2873         * config/tilepro/tilepro-builtins.h: New file.
2874         * config/tilepro/tilepro-c.c: New file.
2875         * config/tilepro/tilepro-generic.md: New file.
2876         * config/tilepro/tilepro-modes.def: New file.
2877         * config/tilepro/tilepro-multiply.h: New file.
2878         * config/tilepro/tilepro-protos.h: New file.
2879         * config/tilepro/tilepro.c: New file.
2880         * config/tilepro/tilepro.h: New file.
2881         * config/tilepro/tilepro.md: New file.
2882         * config/tilepro/tilepro.opt: New file.
2883
2884 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2885
2886         PR tree-optimization/52210
2887         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2888         vect_model_simple_cost with two entry vect_def_type array instead
2889         of an address of dt.
2890
2891 2012-02-14  Richard Guenther  <rguenther@suse.de>
2892
2893         PR lto/52178
2894         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2895         Do not stream DECL_QUALIFIER.
2896         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2897         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2898         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2899
2900 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2901
2902         PR c/52181
2903         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2904         newdecl.
2905
2906 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2907
2908         PR bootstrap/52172
2909         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2910         * cselib.c (cselib_subst_to_values_from_insn): New function.
2911         * sched-deps.c (add_insn_mem_dependence,
2912         sched_analyze_1, sched_analyze_2): Use it.
2913
2914 2012-02-13  Jan Hubicka  <jh@suse.cz>
2915
2916         PR middle-end/52214
2917         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2918
2919 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2920
2921         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2922         (GTM_SELF_SPECS): Define if not already defined.
2923         (driver_self_specs): Add GTM_SELF_SPECS.
2924         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2925         (GTM_SELF_SPECS): Define.
2926         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2927         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2928
2929 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2930
2931         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2932         away if seen.
2933
2934         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2935
2936         PR middle-end/52230
2937         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2938         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2939
2940 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2941
2942         PR c/52190
2943         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2944
2945 2012-02-13  Richard Guenther  <rguenther@suse.de>
2946
2947         PR translation/52211
2948         * passes.c (enable_disable_pass): Fix typo.
2949
2950 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2951
2952         PR middle-end/52209
2953         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2954         XOR for reduce_bit_field if type is unsigned.
2955
2956 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2957
2958         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2959         disallow changes from SFmode to mode with different size in FP regs.
2960
2961 2012-02-12  Robert Millan  <rmh@gnu.org>
2962             Gerald Pfeifer <gerald@pfeifer.com>
2963
2964         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2965         Tweak comment.
2966
2967 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2968
2969         PR rtl-optimization/52175
2970         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2971         to frame-related instructions.
2972
2973 2012-02-10  Jason Merrill  <jason@redhat.com>
2974
2975         PR c++/51910
2976         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2977         (demangle_new_symbols): Fill it.
2978         (scan_linker_output): Walk it.
2979         (start_tweaking): Split out from scan_linker_output.
2980         (maybe_tweak): Update sym->chosen.
2981         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2982
2983 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2984
2985         PR debug/52132
2986         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2987
2988 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2989
2990         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2991         having the same mode as previous compare.
2992
2993 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2994
2995         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2996         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2997         (nonlocal_goto_internal): Likewise.
2998         (nonlocal_goto): Emit a use and an indirect jump directly.
2999
3000 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3001
3002         PR c/52190
3003         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3004         __atomic_{is,always}_lock_free.
3005
3006 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3007
3008         PR target/52146
3009         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3010         negative constant address for x32.
3011
3012 2012-02-10  Richard Henderson  <rth@redhat.com>
3013
3014         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3015         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3016         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3017
3018 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3019             Ira Rosen  <irar@il.ibm.com>
3020
3021         PR tree-optimization/50031
3022         * targhooks.c (default_builtin_vectorization_cost): Handle
3023         vec_promote_demote.
3024         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3025         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3026         all types of reduction and pattern statements.
3027         (vect_estimate_min_profitable_iters): Likewise.
3028         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3029         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3030         for explicit realigns.
3031         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3032         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3033         vec_promote_demote.
3034         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3035         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3036         vec_perm for VSX and handle vec_promote_demote.
3037
3038 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3039
3040         PR middle-end/52177
3041         * builtins.c (fold_builtin_atomic_always_lock_free,
3042         expand_builtin_atomic_always_lock_free,
3043         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3044         Return and/or test boolean_true_node/boolean_false_node instead of
3045         integer_one_node/integer_zero_node.
3046
3047 2012-02-10  Jan Hubicka  <jh@suse.cz>
3048
3049         PR middle-end/48600
3050         * predict.c (predict_paths_for_bb): Prevent looping.
3051         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3052
3053 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3054
3055         * config/arm/arm.c (output_move_double): In one case properly
3056         count number of instructions that will be emitted.
3057
3058 2012-02-10  Richard Guenther  <rguenther@suse.de>
3059
3060         PR translation/52193
3061         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3062
3063 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3064
3065         PR middle-end/52140
3066         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3067
3068 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3069
3070         PR debug/52165
3071         * var-tracking.c (emit_note_insn_var_location): If
3072         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3073         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3074         non-NOTE_DURING_CALL_P insn.
3075
3076 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3077
3078         PR middle-end/51867
3079         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3080
3081 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3082
3083         PR driver/48524
3084         * gcc.c (switch_matches) Support switches with separated form,
3085         -D and -U.
3086
3087 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3088
3089         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3090         (SP_ADDR): Ditto.
3091         (RAMPZ_ADDR): Ditto.
3092         * config/avr/avr.c (avr_addr_t): New typedef.
3093         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3094         (avr_init_expanders): Initialize it.
3095         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3096         SREG_ADDR.
3097         (expand_epilogue): Ditto.
3098         (avr_print_operand): Ditto.
3099         (avr_file_start): Ditto.
3100         (avr_emit_movmemhi): Ditto.
3101
3102 2012-02-08  Richard Guenther  <rguenther@suse.de>
3103
3104         PR tree-optimization/46886
3105         * tree-flow.h (do_while_loop_p): Declare.
3106         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3107         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3108
3109 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3110
3111         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3112         always succeed for integers larger than a native word.
3113
3114 2012-02-08  Richard Guenther  <rguenther@suse.de>
3115
3116         PR rtl-optimization/52170
3117         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3118         properly handle integer vector modes.
3119
3120 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3121
3122         PR gcov-profile/52150
3123         * coverage.c: Include target.h.
3124         (build_var): Call targetm.strip_name_encoding on the assembler name.
3125         Change one _ into . or $ if the target allows it.
3126         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3127
3128         PR rtl-optimization/52139
3129         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3130         is a BARRIER after emit_insn_after_noloc, move BB_END
3131         to the last non-BARRIER insn before it.
3132
3133 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3134
3135         PR middle-end/24306
3136         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3137         (mips_gimplify_va_arg_expr): Call it instead of
3138         std_gimplify_va_arg_expr.
3139
3140 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3141
3142         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3143         message for -mno-pointers-to-nested-function.
3144
3145 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3146
3147         PR middle-end/51994
3148         * expr.c (get_inner_reference): If there is an offset, add a negative
3149         bit position to it (if any).
3150
3151 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3152
3153         PR rtl-optimization/52060
3154         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3155         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3156         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3157         and/or i0src_copy2 when needed.
3158
3159 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3160
3161         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3162         or LTOPLUGINSONAME if have_c.
3163
3164         * config/freebsd-spec.h: Add comment about what macros can be defined
3165         in this header.
3166         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3167         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3168         here instead.
3169
3170 2012-02-07  Richard Guenther  <rguenther@suse.de>
3171
3172         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3173         newline in -alias dumps.
3174
3175 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3176             Dave Korn  <dave.korn.cygwin@gmail.com>
3177
3178         PR target/40068
3179         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3180         Take care that typinfo gets dllexport-attribute.
3181
3182 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3183
3184         PR middle-end/52074
3185         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3186         if modifier < EXPAND_SUM call force_operand on the result.
3187
3188 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3189
3190         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3191         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3192         present.
3193         (epiphany_function_type): Replace types for specific interrupts with
3194         EPIPHANY_FUNCTION_INTERRUPT.
3195         (EPIPHANY_INTERRUPT_P): Update.
3196         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3197         New static function.
3198         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3199         <disinterrupt>: Affects type identity.
3200         (epiphany_handle_interrupt_attribute): Handle variable number of
3201         arguments.
3202         (epiphany_compute_function_type): Update for new
3203         epiphany_function_type definition.
3204         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3205         handlers with a longcall forwarder.
3206         (epiphany_start_function): Handle multiple interrupt arguments and/or
3207         forwarder_section attribute.
3208
3209         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3210         libgloss.
3211
3212 2012-02-07  Alan Modra  <amodra@gmail.com>
3213
3214         PR target/52107
3215         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3216         subregs of TFmode.
3217
3218 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3219
3220         PR tree-optimization/50969
3221         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3222         use vec_perm rather than vector_stmt.
3223         (vect_model_load_cost): Likewise.
3224         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3225         vec_perm to be the same as other vector statements.
3226         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3227         cost of vec_perm for TARGET_VSX.
3228
3229 2012-02-06  Richard Guenther  <rguenther@suse.de>
3230
3231         PR tree-optimization/52115
3232         * tree-sra.c (access_has_replacements_p): New function.
3233         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3234
3235 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3236
3237         PR middle-end/52047
3238         * trans-mem.c (expand_call_tm): Add an assertion.
3239         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3240         functions.
3241
3242 2012-02-06  Richard Guenther  <rguenther@suse.de>
3243
3244         PR tree-optimization/50955
3245         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3246         raise cost of expressions that replace an address with an
3247         expression based on a different pointer.
3248
3249 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR target/52129
3252         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3253         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3254
3255 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3256
3257         PR c++/48680
3258         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3259         -Weffc++ and specify guidelines come from second edition.
3260
3261 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3262
3263         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3264         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3265         (call_direct_split, call_value_split, call_value_internal_direct)
3266         (call_value_direct_split, call_value_multiple_split): Use jal and
3267         jal_macro attributes.
3268
3269 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3270
3271         * reload1.c (reload_regs_reach_end_p): Replace with...
3272         (reload_reg_rtx_reaches_end_p): ...this function.
3273         (new_spill_reg_store): Update commentary.
3274         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3275         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3276         before setting new_spill_reg_store.
3277         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3278         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3279         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3280         for non-spill reload registers.
3281
3282 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3283
3284         PR tree-optimization/52091
3285         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3286         (vect_is_simple_use_1): Likewise.
3287         * tree-vect-loop.c (vectorizable_reduction): Update calls
3288         to vect_is_simple_use_1 and vect_is_simple_use.
3289         (vectorizable_live_operation): Likewise.
3290         * tree-vect-patterns.c (widened_name_p,
3291         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3292         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3293         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3294         vectorizable_shift,vectorizable_operation, vectorizable_store,
3295         vectorizable_load): Likewise.
3296         (vect_is_simple_cond): Add an argument, pass it to
3297         vect_is_simple_use_1.
3298         (vectorizable_condition): Update calls to vect_is_simple_cond,
3299         vect_is_simple_use.
3300         (vect_is_simple_use): Add an argument, the statement in which
3301         OPERAND is used.  Check that if OPERAND's def stmt is a double
3302         reduction phi node, the use is a phi node too.
3303         (vect_is_simple_use_1): Add an argument, pass it to
3304         vect_is_simple_use.
3305         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3306         to vect_is_simple_use.
3307
3308 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3309
3310         PR rtl-optimization/52095
3311         * modulo-sched.c (dump_insn_locator): New function.
3312         (loop_canon_p, sms_schedule): Use it.
3313
3314         PR rtl-optimization/52113
3315         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3316         even for decomposable shift/zext insns.
3317
3318 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3319             Zdenek Dvorak  <ook@ucw.cz>
3320
3321         PR rtl-optimization/52092
3322         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3323         on get_iv_value result.
3324
3325 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3326
3327         PR middle-end/47982
3328         PR middle-end/43967
3329         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3330
3331 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3332
3333         PR middle-end/48071
3334         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3335
3336 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3337
3338         PR rtl-optimization/49800
3339         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3340         (sched_finish): Call regstat_free_n_sets_and_refs.
3341
3342 2012-02-02  Jia Liu  <proljc@gmail.com>
3343
3344         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3345         than operand 2.
3346
3347 2012-02-02  Jan Hubicka  <jh@suse.cz>
3348             Tom de Vries  <tom@codesourcery.com>
3349
3350         PR middle-end/51998
3351         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3352         * varpool.c (varpool_analyze_pending_decls): Likewise.
3353
3354 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3355             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3356
3357         * config.gcc: Add cr16-* support.
3358
3359         * doc/extend.texi: Document cr16 extensions.
3360         * doc/install.texi: Document cr16 install.
3361         * doc/invoke.texi: Document cr16 options.
3362         * doc/md.texi: Document cr16 constraints.
3363
3364         * common/config/cr16/cr16-common.c: New file.
3365         * config/cr16/cr16.c: New file.
3366         * config/cr16/cr16.h: New file.
3367         * config/cr16/cr16.md: New file.
3368         * config/cr16/cr16.opt: New file.
3369         * config/cr16/cr16-protos.h: New file.
3370         * config/cr16/predicates.md: New file.
3371         * config/cr16/constraints.md: New file.
3372         * config/cr16/t-cr16: New file.
3373
3374 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3375
3376         PR target/52086
3377         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3378         that operands[2] is either immediate, or q_regs_operand.
3379
3380         PR tree-optimization/52073
3381         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3382         a pattern stmt for pattern uses, ignore uses outside of the loop.
3383
3384 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3385
3386         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3387         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3388         (OUT_AS1, OUT_AS2): Remove.
3389
3390 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3391
3392         PR rtl-optimization/51374
3393         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3394         to cross other volatile_refs_p insns.
3395
3396 2012-02-01  Richard Guenther  <rguenther@suse.de>
3397
3398         * doc/invoke.texi (fno-inline): Clarify documentation.
3399         (finline-small-functions): Likewise.
3400         (finline-functions): Likewise.
3401         * common.opt (finline): Adjust comment and documentation.
3402         (finline-small-functions): Clarify documentation.
3403         (finline-functions): Likewise.
3404         (finline-functions-called-once): Likewise.
3405
3406 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3407
3408         * c-typeck.c (composite_type): Keep mode for pointers.
3409
3410 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3411
3412         * function.h (regno_reg_rtx): Adjust comment.
3413         * reginfo.c (init_reg_modes_target): Only use the previous mode
3414         if it fits within one register.  Remove MIPS comment.
3415
3416 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3417
3418         PR bootstrap/52058
3419         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3420
3421 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3422
3423         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3424         to srak instruction.
3425
3426 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3427
3428         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3429
3430 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3431
3432         PR bootstrap/52041
3433         PR bootstrap/52039
3434         PR target/51974
3435         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3436
3437 2012-01-31  Richard Guenther  <rguenther@suse.de>
3438
3439         PR tree-optimization/51528
3440         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3441         assigns.
3442
3443 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3444
3445         PR bootstrap/52041
3446         PR bootstrap/52039
3447         PR target/51974
3448         * ree.c (add_removable_extension): Change def_map argument
3449         to unsigned *, store in def_map 1 + offset into *insn_list vector
3450         instead of pointers into the vector.
3451         (find_removable_extensions): Adjust caller.
3452
3453 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3454
3455         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3456         Transform all "* quoted-c-code" to { c-code }.
3457         Remove redundant test for "optimize" in combine patterns.
3458         Move (include "avr-dimode.md") to end of file.
3459
3460 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3461
3462         PR target/51835
3463         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3464         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3465
3466 2012-01-30  Richard Guenther  <rguenther@suse.de>
3467
3468         PR tree-optimization/52028
3469         * tree-loop-distribution.c (ldist_gen): Properly update
3470         virtual SSA form.
3471
3472 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3473
3474         PR debug/52027
3475         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3476         set_cur_line_info_table if not emitting debug info.
3477
3478         PR tree-optimization/52046
3479         * tree-vect-patterns.c (check_bool_pattern): Give up if
3480         a comparison could throw.
3481
3482         PR debug/52048
3483         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3484
3485 2012-01-30  Richard Guenther  <rguenther@suse.de>
3486
3487         PR tree-optimization/52045
3488         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3489         SSA form if cfgcleanup did anything.
3490
3491 2012-01-30  Richard Guenther  <rguenther@suse.de>
3492
3493         PR tree-optimization/52045
3494         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3495         before computing final todo.
3496
3497 2012-01-30  Richard Guenther  <rguenther@suse.de>
3498
3499         PR tree-optimization/51528
3500         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3501         for PR51528 fix.
3502
3503 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3504
3505         * df-problems.c (df_kill_notes): Check that the use refers
3506         to the note under examination.
3507
3508 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3509
3510         PR target/51920
3511         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3512         parameter and use short-lived pseudos.
3513         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3514         (sparc_expand_vector_init): Const-ify local variables and adjust
3515         calls to above functions.
3516
3517 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3518
3519         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3520
3521 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3522
3523         * doc/invoke.texi: Make usage of "compile time" and
3524         "run time"/"runtime" consistent throughout the file.
3525
3526 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3527
3528         * config/alpha/alpha.c (alpha_option_override): Default to
3529         full IEEE compliance mode for Go language.
3530
3531 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3532
3533         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3534         (LINK_SSP_SPEC): Define.
3535
3536 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3537
3538         PR target/51871
3539         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3540