OSDN Git Service

2012-07-18 Ralf Corsépius <ralf.corsepius@rtems.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>
2
3        * config.gcc (v850-*-rtems*): New target.
4        * config/v850/rtems.h: New.
5        * config/v850/t-rtems: New.
6
7 2012-07-18  Nick Clifton  <nickc@redhat.com>
8
9         * doc/invoke.texi (ARM Options): Document -munaligned-access.
10
11 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
12
13         PR target/53961
14
15         Backport from mainline
16         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
17
18         PR target/53110
19         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
20         instead expand it as zero extension.
21
22 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
23
24         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
25         QImode and HImode splitters.  Use ix86_comparison_operator.
26         Explicitly match FLAGS_REG.
27         (DFmode cmove splitter): Explicitly match FLAGS_REG.
28
29 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
30             Steven Bosscher  <steven@gcc.gnu.org>
31             Bernd Schmidt  <bernds@codesourcery.com>
32
33         PR rtl-optimization/53908
34         * df-problems.c (can_move_insns_across): When doing
35         memory-reference book-keeping, handle call insns.
36
37 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
38
39         Backport from mainline
40         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
41
42         PR target/53811
43         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
44         sibcall_insn_operand.  Move it to a temporary register if not.
45
46         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
47
48         PR target/53853
49         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
50         emit PIC sequence for fnaddr symbol reference in advance.
51
52 2012-07-09  Jason Merrill  <jason@redhat.com>
53
54         PR c++/53882
55         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
56         (type_hash_eq): Likewise.
57
58         PR c++/53826
59         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
60
61 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
62
63         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
64         due to negative shift amount.
65
66 2012-07-06  Kai Tietz  <ktietz@redhat.com>
67
68         Backport from mainline.
69         PR bootstrap/52947
70         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
71         as "/mingw/include".
72
73 2012-07-06  Nick Clifton  <nickc@redhat.com>
74
75         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
76         default_encode_section_info.
77
78 2012-07-06  Richard Guenther  <rguenther@suse.de>
79
80         Backport from mainline
81         2012-03-30  Richard Guenther  <rguenther@suse.de>
82
83         PR middle-end/52786
84         * double-int.c (rshift_double): Remove not needed cast.
85
86         2012-03-28  Richard Guenther  <rguenther@suse.de>
87
88         PR middle-end/50708
89         * double-int.h (rshift_double): Remove.
90         * double-int.c (lshift_double): Use absu_hwi to make count
91         positive.
92         (rshift_double): Make static, take unsigned count argument,
93         remove handling of negative count argument.
94         (double_int_rshift): Dispatch to lshift_double.
95
96 2012-07-06  Richard Guenther  <rguenther@suse.de>
97
98         Backport from mainline
99         2012-06-18  Richard Guenther  <rguenther@suse.de>
100
101         PR tree-optimization/53693
102         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
103         Reject operands with more than one use.
104
105 2012-07-06  Richard Guenther  <rguenther@suse.de>
106
107         Backport from mainline
108         2012-04-11  Richard Guenther  <rguenther@suse.de>
109
110         PR middle-end/52621
111         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
112         consider loop nesting.
113         (evolution_function_is_univariate_p): Properly check the remainder
114         for chrecs.
115
116 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
117
118         Backport from mainline
119         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
120
121         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
122         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
123         (adjacent_mem_locations): Move some code to and call...
124         (get_memref_parts): ...new function.
125         (mem_locations_overlap): New function.
126         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
127         (is_mem_ref): Rename to...
128         (find_mem_ref): ...this. Return MEM rtx.
129         (get_store_dest): Remove function.
130         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
131         new parameter and adjust calls.
132         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
133         mem refs overlap for true_store_to_load_dep_costly.
134         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
135         passed to adjacent_mem_locations.
136         (is_costly_group): Walk resolved dependency list.
137         (force_new_group): Emit group ending nop for Power6/Power7.
138         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
139         (group_ending_nop): New define_insn.
140
141 2012-07-04  Richard Guenther  <rguenther@suse.de>
142
143         PR middle-end/53433
144         * gimple-fold.c (get_base_constructor): Do not return an
145         error_mark_node DECL_INITIAL.
146
147 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
148
149         Backport from mainline
150         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
151
152         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
153         code model string in the error message.
154
155 2012-07-04  Tristan Gingold  <gingold@adacore.com>
156
157         Backport from mainline.
158         2012-06-25  Tristan Gingold  <gingold@adacore.com>
159
160         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
161         (seh_cfa_adjust_cfa): ... that function.
162         (seh_emit_stackalloc): Do not emit out of range values.
163         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
164         UNSPEC_DEF_CFA constants.
165         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
166         * config/i386/i386.c (ix86_frame_pointer_required): Required
167         for very large frames on SEH target.
168         (ix86_compute_frame_layout): Save area is before frame pointer
169         on SEH target.  Handle very large frames.
170         (ix86_expand_prologue): Likewise.
171
172 2012-07-04  Richard Guenther  <rguenther@suse.de>
173
174         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
175         as in free_lang_data_in_type.
176
177 2012-07-02  Martin Jambor  <mjambor@suse.cz>
178
179         Backport from mainline.
180         2012-07-02  Martin Jambor  <mjambor@suse.cz>
181
182         PR middle-end/38474
183         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
184         dynamic type change check.
185
186 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
187
188         * tree-eh.c (lower_try_finally_switch): Really put the location of the
189         last statement of the finally block onto the switch.
190
191 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
192
193         * configure: Regenerate.
194
195         Backport from mainline.
196         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
197
198         * config.gcc (target_type_format_char): New. Document it. Set it for
199         arm*-*-* .
200         * configure.ac (gnu_unique_option): Use target_type_format_char
201         in test.  Comment rationale.
202
203 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
204
205         Backport from mainline.
206         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
207
208         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
209
210 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
211
212         Backport from 2012-06-28 mainline r189049
213
214         PR 53595
215         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
216         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
217         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
218         avr_hard_regno_call_part_clobbered.
219
220 2012-06-28  Richard Guenther  <rguenther@suse.de>
221
222         PR middle-end/53790
223         * expr.c (expand_expr_real_1): Verify if the type is complete
224         before inspecting its size.
225
226 2012-06-27  Nick Clifton  <nickc@redhat.com>
227
228         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
229         input operand.
230
231 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
232
233         PR debug/53682
234         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
235
236 2012-06-26  Nick Clifton  <nickc@redhat.com>
237
238         * config/rx/rx.md (simple_return): Use the simple_return rtx.
239
240 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
241
242         PR target/53759
243         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
244         of x x x in the vmovlps load alternative.
245
246 2012-06-22  Richard Guenther  <rguenther@suse.de>
247
248         * gcov-iov.c: Include bconfig.h and system.h.
249
250 2012-06-22  Richard Guenther  <rguenther@suse.de>
251
252         PR gcov-profile/53744
253         * gcov-iov.c (main): Treat "" and "prerelease" the same.
254
255 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
256
257         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
258         DECL_IGNORED_P non-reg vars even if they are used.
259
260 2012-06-19  Jason Merrill  <jason@redhat.com>
261
262         PR c++/52637
263         * dwarf2out.c (modified_type_die): Use scope_die_for.
264         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
265         (uses_local_type_r, uses_local_type): New.
266         (scope_die_for): Keep a type that uses a local type in local scope.
267         Use get_context_die for namespace and type scope.
268
269 2012-06-19  Richard Guenther  <rguenther@suse.de>
270
271         PR middle-end/53470
272         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
273         replace it with the first non-BLOCK context.
274
275 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
276
277         PR rtl-optimization/53700
278
279         Backport from mainline
280         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
281
282         * ira-color.c (setup_left_conflict_sizes_p): Process all
283         conflicting objects.
284
285 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
286
287         Backport from mainline
288         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
289
290         PR target/52908
291         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
292         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
293         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
294         instead of xop_mulv2div2di3_low.
295         (xop_p<macs>dql): Fix vec_select selector.
296         (xop_p<macs>dqh): Ditto.
297         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
298         (xop_mulv2div2di3_high): Ditto.
299
300 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
301
302         Backport from mainline:
303         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
304
305         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
306
307 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
308
309         Backport from mainline:
310         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
311
312         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
313         * config/pa/pa.c (pa_attr_length_millicode_call): Use
314         MAX_PCREL17F_OFFSET instead of fixed offset.
315         (pa_attr_length_call): Likewise.
316         (pa_attr_length_indirect_call): Likewise.
317
318 2012-06-15  Walter Lee  <walt@tilera.com>
319
320         Backport from mainline:
321         2012-06-15  Walter Lee  <walt@tilera.com>
322
323         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
324
325         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
326
327         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
328
329 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
330
331         Backport from mainline:
332
333         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
334         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
335         * gimple.h (block_in_transaction): Check for flag_tm.
336
337 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
338
339         PR tree-optimization/52558
340
341         Backport from mainline:
342         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
343         * gimple.h (gimple_set_in_transaction): Remove.
344         (gimple_in_transaction): Look in BB instead.
345         (gimple_statement_base): Remove in_transaction field.
346         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
347         * trans-mem.c (compute_transaction_bits): Place transaction bit
348         information into basic blocks.
349
350         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
351
352         PR tree-optimization/52558
353         * cfg.c (alloc_aux_for_edge): Fix comment.
354         (alloc_aux_for_edge): Remove static.
355         * basic-block.h (alloc_aux_for_edge): Protoize.
356         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
357         (execute_sm_if_changed_flag): New.
358         (execute_sm_if_changed_flag_set): New.
359         (execute_sm): Do not generate data races unless requested.
360         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
361         (tree_ssa_lim_finalize): Call free_aux_for_edges.
362         * gimple.h (block_in_transaction): New.
363         (gimple_in_transaction): Use block_in_transaction.
364
365 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
366
367         Backported from mainline
368         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
369
370         PR rtl-optimization/53589
371         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
372         discovery even when e->dest != target.  If any LABEL_REF points
373         to e->dest label, redirect it to target's label.
374
375         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
376
377         PR middle-end/53580
378         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
379         returns false, replace stmt with GIMPLE_NOP.
380         (check_omp_nesting_restrictions): Instead of issuing warnings,
381         issue errors and return false if any errors were reported.
382
383 2012-06-14  Richard Guenther  <rguenther@suse.de>
384
385         * BASE-VER: Set to 4.7.2.
386         * DEV-PHASE: Set to prerelease.
387
388 2012-06-12  Christian Bruel  <christian.bruel@st.com>
389
390         PR target/53621
391         * config/sh/sh.c (sh_option_override): Don't force
392          flag_omit_frame_pointer and maccumulate_outgoing_args.
393         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
394
395 2012-06-14  Release Manager
396
397         * GCC 4.7.1 released.
398
399 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
400
401         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
402
403 2012-06-13  Richard Henderson  <rth@redhat.com>
404
405         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
406         iterator instead of INT.
407
408 2012-06-08  Richard Henderson  <rth@redhat.com>
409
410         PR c++/53602
411         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
412         note to a clobber insn when no other insn is available.
413
414 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
415
416         PR c++/53524
417         * doc/invoke.texi (Wenum-compare): Update documentation.
418
419 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
420
421         PR target/53559
422         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
423         operands.
424         (altivec_stvlxl): Ditto.
425         (altivec_stvrx): Ditto.
426         (altivec_stvrxl): Ditto.
427
428 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
429
430         PR middle-end/47530
431         * trans-mem.c (expand_block_edges): Do not skip the first
432         statement when resetting the BB.
433
434 2012-06-04  Richard Guenther  <rguenther@suse.de>
435
436         PR middle-end/53471
437         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
438         create new assembler names.
439
440 2012-06-04  Richard Guenther  <rguenther@suse.de>
441
442         Backport from mainline
443         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
444
445         PR middle-end/52979
446         * stor-layout.c (get_best_mode): Don't return mode with bitsize
447         larger than maxbits.  Don't compute maxbits modulo align.
448         Also check that unit bytes long store at bitpos / unit * unit
449         doesn't affect bits beyond bitregion_end.
450         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
451         would not fit into bitregion_start ... bitregion_end + 1 bit
452         region.
453         (store_split_bit_field): Decrease unit close to end of bitregion_end
454         if access is restricted in order to avoid mutual recursion.
455
456 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
457
458         Backport from 2012-06-04 mainline r188172
459
460         PR target/46261
461         * config/avr/avr-stdint.h: New file.
462         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
463         newlib-stdint.h
464
465 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
466
467         PR tree-optimization/53550
468         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
469         is POINTER_TYPE_P, use sizetype as step type instead of type.
470
471 2012-06-04  Richard Guenther  <rguenther@suse.de>
472             Eric Botcazou  <ebotcazou@adacore.com>
473
474         Backport from mainline
475         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
476
477         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
478         Change type of BITOFFSET to signed.  Make sure the lower bound of
479         the computed range is non-negative by adjusting OFFSET and BITPOS.
480         (expand_assignment): Adjust call to get_bit_range.
481
482         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
483
484         * expr.c (get_bit_range): Return the null range if the enclosing record
485         is part of a larger bit field.
486
487         2012-03-20  Richard Guenther  <rguenther@suse.de>
488
489         * stor-layout.c (finish_bitfield_representative): Fallback
490         to conservative maximum size if the padding up to the next
491         field cannot be computed as a constant.
492         (finish_bitfield_layout): If we cannot compute the distance
493         between the start of the bitfield representative and the
494         bitfield member start a new representative.
495         * expr.c (get_bit_range): The distance between the start of
496         the bitfield representative and the bitfield member is zero
497         if the field offsets are not constants.
498
499         2012-03-16  Richard Guenther  <rguenther@suse.de>
500
501         * stor-layout.c (finish_bitfield_representative): Fall back
502         to the conservative maximum size if we cannot compute the
503         size of the tail padding.
504
505         2012-03-14  Richard Guenther  <rguenther@suse.de>
506
507         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
508         * stor-layout.c (start_bitfield_representative): New function.
509         (finish_bitfield_representative): Likewise.
510         (finish_bitfield_layout): Likewise.
511         (finish_record_layout): Call finish_bitfield_layout.
512         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
513         for QUAL_UNION_TYPE fields.
514         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
515         Stream DECL_BIT_FIELD_REPRESENTATIVE.
516         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
517
518         PR middle-end/52080
519         PR middle-end/52097
520         PR middle-end/48124
521         * expr.c (get_bit_range): Unconditionally extract bitrange
522         from DECL_BIT_FIELD_REPRESENTATIVE.
523         (expand_assignment): Adjust call to get_bit_range.
524
525 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
526
527         PR middle-end/53501
528         * fold-const.c (fold_binary_loc): Refine previous change.
529
530 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
531
532         Backport from mainline
533         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
534
535         PR target/52667
536         * config/sh/sh.c (find_barrier): Add equality check of last_got to
537         avoid going above orig insn.  Update comments.
538
539 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
540
541         Backport from mainline
542         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
543
544         PR target/52642
545         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
546         prologue for unwinder and profiler.
547
548 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
549
550         Backport from mainline
551         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
552
553         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
554
555 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
556
557         Backport from mainline
558         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
559
560         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
561         DBX_REGISTER_NUMBER.
562
563 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
564
565         Backport from mainline
566         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
567
568         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
569         operand is CONST_INT.  Take COSTS_N_INSNS into account.
570         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
571         shiftcosts.     
572
573 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
574
575         * config/avr/avr.opt (-msp8): Document it.
576         * doc/invoke.texi (AVR Options): Copy from trunk docu.
577
578 2012-05-31  Richard Guenther  <rguenther@suse.de>
579
580         PR middle-end/48493
581         * expr.c (expand_assignment): Do not use movmisalign on
582         non-memory.
583
584 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
585
586         PR target/52999
587         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
588         (pa_section_type_flags): New.
589         (pa_legitimate_constant_p): Revert previous change.
590
591 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
592
593         Backport from mainline
594         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
595
596         PR middle-end/53008
597         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
598         accessed indirectly.
599         (ipa_tm_create_version): Same.
600
601 2012-05-30  Jason Merrill  <jason@redhat.com>
602
603         PR c++/53220
604         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
605         about array compound literals.
606
607 2012-05-30  Richard Guenther  <rguenther@suse.de>
608
609         PR middle-end/53501
610         * fold-const.c (fold_binary_loc): Make sure to call
611         fold_plusminus_mult_expr with the original sign of operands.
612
613 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
614
615         * explow.c (probe_stack_range): Restore simple control flow and stop
616         again when the probe cannot be generated if HAVE_check_stack.
617
618 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
619
620         PR rtl-optimization/53519
621         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
622         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
623
624 2012-05-29  Richard Guenther  <rguenther@suse.de>
625
626         PR tree-optimization/53516
627         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
628         bitfield accesses.
629         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
630
631 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
632
633         Backport from mainline
634         2012-05-28  Richard Guenther  <rguenther@suse.de>
635
636         PR tree-optimization/53438
637         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
638
639 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
640
641         Backport from mainline
642         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
643
644         PR rtl-optimization/52528
645         * combine.c (can_combine_p): Add setting of subst_low_luid
646         before call to expand_field_assignment().
647
648 2012-05-26  Martin Jambor  <mjambor@suse.cz>
649
650         Backport from mainline
651         2012-05-23  Martin Jambor  <mjambor@suse.cz>
652
653         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
654
655 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
656
657         PR lto/52178
658         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
659         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
660
661 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
662
663         PR target/53435
664         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
665         (ix86_expand_vec_perm): Use int mode instead of float.
666
667 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
668
669         PR ada/52362
670         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
671         gnu_ld variables to yes.
672         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
673         (HAVE_GNU_AS): Likewise.
674         * config.in: Regenerate.
675         * configure: Likewise.
676
677 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
678
679         Backport from mainline
680         2012-03-12  Richard Guenther  <rguenther@suse.de>
681         * config/arm/arm.c (neon_dereference_pointer): Do not call
682         covert during RTL expansion.
683
684 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
685
686         Backport from mainline
687         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
688
689         PR target/53385
690         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
691         relied on signed overflow behavior.
692
693 2012-05-24  Richard Guenther  <rguenther@suse.de>
694
695         PR middle-end/53460
696         * tree-profile.c (tree_profiling): Cleanup the CFG if
697         execute_fixup_cfg requests it.
698
699 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
700
701         PR tree-optimization/53465
702         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
703         vr0 into *vr, then vrp_meet that.
704         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
705         have any equivalences.
706         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
707         first time.
708
709 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
710
711         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
712         size handling.
713         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
714         (iterative_hash_gimple_type): Adjust comment.
715         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
716         domain for an array type instead of the domain type itself.
717
718 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
719
720         Backport from 2012-05-23 mainline r187803
721
722         PR target/53448
723         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
724         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
725         ASM_OUTPUT_ALIGN.
726
727 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
728
729         Backport from 2012-05-03 mainline r187075
730
731         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
732         has_fma4 for AMD processors with both fma3 and fma4 support.
733
734 2012-05-22  Richard Guenther  <rguenther@suse.de>
735
736         PR tree-optimization/53408
737         * tree-vect-loop.c (vectorizable_induction): Properly check
738         the restriction that we cannot handle induction results from
739         the inner loop outside of the outer loop.
740
741 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
742
743         PR tree-optimization/53436
744         * omp-low.c (omp_build_component_ref): New function.
745         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
746
747         PR tree-optimization/53366
748         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
749         tests if complex_numbers == 2, but there are non-complex number loads
750         too.
751
752         PR tree-optimization/53409
753         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
754         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
755
756         PR tree-optimization/53410
757         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
758         instead of build_int_cst (type, 0) where vector types might be
759         involved.
760
761 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
762
763         PR c/53418
764         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
765         from folded operands before wrapping another around the
766         conditional expression.
767
768 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
769             Patrick Marlier  <patrick.marlier@gmail.com>
770
771         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
772         indirect calls.
773
774 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
775
776         Backport from mainline
777         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
778
779         PR target/53416
780         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
781         (UNSPECV_RDRAND): This.
782         (rdrand<mode>_1): Updated.
783
784 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
785
786         Backport from mainline
787         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
788
789         * config/i386/driver-i386.c (host_detect_local_cpu): Support
790         RDRND, F16C and FSGSBASE.
791
792 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
793
794         Backport from mainline
795         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
796
797         * tree-ssa-pre.c (can_value_number_call): Delete.
798         (compute_avail): Skip all statements with side effects.
799         <GIMPLE_CALL>: Skip calls to internal functions.
800
801 2012-05-18  David S. Miller  <davem@davemloft.net>
802
803         Backport r185385 from mainline
804         2012-03-14  Richard Guenther  <rguenther@suse.de>
805
806         PR middle-end/52584
807         * tree-vect-generic.c (type_for_widest_vector_mode): Take
808         element type instead of mode, use build_vector_type_for_mode
809         instead of the langhook, build a vector of proper signedness.
810         (expand_vector_operations_1): Adjust.
811
812 2012-05-18  Olivier Hainque  <hainque@adacore.com>
813
814         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
815         $(libsubdir) as libexecsubdir.
816
817 2012-05-16  Andrew Pinski  <apinski@cavium.com>
818
819         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
820         GIMPLE_ASSIGN.
821
822 2012-05-16  David S. Miller  <davem@davemloft.net>
823
824         * jump.c (delete_related_insns): If we remove a CALL, make sure
825         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
826
827 2012-05-16  Richard Henderson  <rth@redhat.com>
828
829         PR debug/52727
830         * combine-stack-adj.c (prev_active_insn_bb): New.
831         (next_active_insn_bb): New.
832         (force_move_args_size_note): New.
833         (combine_stack_adjustments_for_block): Use it.
834
835 2012-05-16  Olivier Hainque  <hainque@adacore.com>
836
837         * Makefile.in (install-no-fixedincludes): New target, former toplevel
838         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
839         Add comments and improve stamp preservation across the whole sequence.
840         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
841
842 2012-05-16  Richard Guenther  <rguenther@suse.de>
843
844         PR tree-optimization/53364
845         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
846         detect a view-conversion of the decl.
847
848 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
849
850         PR target/53358
851         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
852         that operands[2] is either immediate, or q_regs_operand.
853
854 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
855
856         Backport r187139 from mainline.
857         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
858
859         PR rtl-optimization/52804
860         * reload1.c (reload_reg_reaches_end_p): Check whether successor
861         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
862         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
863         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
864         RELOAD_FOR_OUTADDR_ADDRESS.
865
866 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
867
868         PR target/46098
869         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
870         generate target register for "load" class builtins.
871
872         Revert:
873         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
874
875         PR target/46098
876         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
877         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
878         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
879         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
880         (<sse>_movu<ssemodesuffix>): New expander.
881         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
882         (avx_movdqu<avxmodesuffix>): New expander.
883         (*sse2_movdqu): Rename from sse2_movdqu.
884         (sse2_movdqu): New expander.
885
886 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
887
888         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
889         lineno 1 the same as lineno 0 before first start file directive.
890         (optimize_macinfo_range): Likewise.
891
892         * dwarf2out.c (have_macinfo): Define.
893         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
894         attribute, don't force empty compilation unit and don't emit any
895         .debug_macinfo/.debug_macro section if macinfo_table is empty.
896
897 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
898
899         Backport from mainline
900         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
901
902         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
903         ORDERED and UNORDERED conditions.
904
905 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
906
907         * function.c (requires_stack_frame_p): If the function can throw
908         non-call exceptions, return true if the insn can throw internally.
909
910 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
911
912         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
913         DECL_ORIGINAL_TYPE if it is present.
914
915 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
916
917         Backport from 2012-05-12 mainline r187342.
918
919         PR target/53256
920         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
921         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
922         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
923         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
924         (expand_prologue): Move initialization of cfun->machine->is_naked,
925         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
926         (avr_set_current_function): ...this new static function.
927         (TARGET_SET_CURRENT_FUNCTION): New define.
928         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
929         checking attributes of current_function_decl.
930         (avr_regs_to_save): Ditto.
931         (signal_function_p): Rename to avr_signal_function_p.
932         (interrupt_function_p): Rename to avr_interrupt_function_p.
933
934         * doc/extend.texi (Function Attributes): Better explanation of
935         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
936         alphabetical order.
937
938 2012-05-09  Matthias Klose  <doko@ubuntu.com>
939
940         * gcc-ar.c (main): Don't check for execute bits for the plugin.
941
942 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
943
944         PR target/53272
945         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
946         when a constant source operand matches an "I" constraint, the "no
947         CC0 change" applies to a register-destination only, not a
948         strict_low_part-destination.
949
950 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
951
952         Backport from mainline:
953         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
954
955         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
956
957 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
958
959         PR tree-optimization/53239
960         * tree-vrp.c (get_value_range): Set VR of
961         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
962         to nonnull.
963
964 2012-05-07  Richard Guenther  <rguenther@suse.de>
965
966         PR tree-optimization/53195
967         * tree-inline.c (setup_one_parameter): Properly add referenced
968         vars from the parameters new known value.
969
970 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
971
972         Backport from mainline:
973         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
974
975         PR target/52999
976         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
977         in constant pool.
978
979 2012-05-04  Ian Lance Taylor  <iant@google.com>
980
981         * tree-vect-patterns.c (vect_single_imm_use): Correct return
982         values from false to NULL.
983
984 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
985
986         Backport from mainline
987         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
988
989         PR target/53228
990         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
991         (TARGET_CMOV): Rename from TARGET_CMOVE.
992         (TARGET_CMOVE): New define.
993         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
994         Do not set TARGET_CMOVE here.
995
996 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
997
998         Backport from mainline:
999
1000         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1001
1002         PR tree-optimization/52633
1003         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1004         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1005         (vect_recog_over_widening_pattern): Remove handling of code that was
1006         already detected as over-widening pattern.  Remove special handling
1007         of "unsigned" cases.  Instead, support general case of conversion
1008         of the shift result to another type.
1009
1010         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1011
1012         * tree-vect-patterns.c (vect_single_imm_use): New function.
1013         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1014         (vect_recog_over_widening_pattern): Likewise.
1015         (vect_recog_widen_shift_pattern): Likewise.
1016
1017         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1018
1019         PR tree-optimization/52870
1020         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1021         presumed pattern statement is within the same loop or basic block.
1022
1023 2012-05-04  Richard Guenther  <rguenther@suse.de>
1024
1025         * common.opt (flto-report): Do not mark as Optimization.
1026
1027 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1028
1029         PR target/48496
1030         * recog.c (constrain_operands): If extra constraints are present, also
1031         accept pseudo-registers with equivalent memory locations during reload.
1032
1033 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1034
1035         Backport from the mainline
1036         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1037
1038         PR target/53199
1039         * config/rs6000/rs6000.md (bswapdi splitters): If
1040         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1041         default) is used, generate an alternate sequence that does not
1042         depend on using indexed addressing.
1043
1044 2012-05-03  David S. Miller  <davem@davemloft.net>
1045
1046         PR target/52684
1047         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1048         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1049         (sparc_emit_float_lib_cmp): Likewise.
1050
1051 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1052
1053         Backport from mainline
1054         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1055
1056         PR lto/52605
1057         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1058         of a variable when the contect is a function.
1059
1060 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1061
1062         PR plugins/53126
1063         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1064         append program name to it and pass that as first argument
1065         to make_relative_prefix.  Always pass standard_libexec_prefix
1066         as last argument to make_relative_prefix.  If
1067         make_relative_prefix returns NULL, fall back to
1068         standard_libexec_prefix.
1069
1070         PR debug/53174
1071         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1072         removed.
1073
1074         PR target/53187
1075         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1076         mode, return that mode.
1077
1078 2012-05-03  Richard Guenther  <rguenther@suse.de>
1079
1080         PR tree-optimization/53144
1081         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1082         Rename to ...
1083         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1084         with SSA name values.
1085         (vn_reference_lookup_3): Adjust callers.
1086
1087 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1088
1089         PR tree-optimization/53163
1090         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1091         return value from compute_all_dependences.
1092
1093         PR rtl-optimization/53160
1094         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1095         has been modified by ree pass already.
1096
1097 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1098
1099         Backport from mainline
1100         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1101
1102         PR middle-end/53136
1103         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1104         calls to cgraph_node_name in xstrdup.
1105         (ipa_make_edge_direct_to_target): Ditto.
1106         * tree-sra.c (convert_callers_for_node): Ditto.
1107         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1108         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1109         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1110         (cgraph_materialize_all_clones): Ditto.
1111         * ipa-inline.c (report_inline_failed_reason): Ditto.
1112         (want_early_inline_function_p): Ditto.
1113         (edge_badness): Ditto.
1114         (update_edge_key): Ditto.
1115         (flatten_function): Ditto.
1116         (ipa_inline): Ditto.
1117         (inline_always_inline_functions): Ditto.
1118         (early_inline_small_functions): Ditto.
1119
1120 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1121
1122         Backport from mainline
1123         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1124
1125         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1126         Introduce emul_name to select the right linker emulation for
1127         powerpc64-*-freebsd*.
1128         * configure: Regenerate.
1129         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1130         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1131         * config/rs6000/freebsd64.h: New file.
1132         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1133         POWERPC_FREEBSD.
1134         (rs6000_savres_strategy): Likewise.
1135         (rs6000_savres_routine_name): Likewise.
1136         (rs6000_elf_file_end): Likewise.
1137         * config/rs6000/t-freebsd64: New file.
1138         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1139         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1140
1141 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1142
1143         Backport from mainline
1144         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1145
1146         PR target/53138
1147         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1148
1149 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1150
1151         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1152         predicate to discriminate types.
1153
1154 2012-04-27  Richard Guenther  <rguenther@suse.de>
1155
1156         PR c/51527
1157         * convert.c (convert_to_integer): Avoid infinite recursion for
1158         target-defined built-in types.
1159
1160 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1161
1162         PR target/53120
1163         * config/cris/cris.md ("*andhi_lowpart_v32")
1164         ("*andqi_lowpart_v32"): Change first input-only operand from
1165         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1166         const_int-matching constraints for redundancy.
1167         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1168         three-operand alternative.
1169
1170 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1171
1172         Backport from mainline
1173         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1174
1175         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1176         (*addsi_2_zext): Ditto.
1177         (*add<mode>_3): Ditto.
1178         (*addsi_3_zext): Ditto.
1179         (*add<mode>_5): Ditto.
1180
1181 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1182
1183         PR c/52880
1184         * c-typeck.c (set_nonincremental_init,
1185         set_nonincremental_init_from_string): Pass true instead of false
1186         as IMPLICIT to add_pending_init.
1187
1188 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1189
1190         Backport from 2012-04-24 mainline r186768.
1191
1192         PR target/53065
1193         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1194
1195 2012-04-24  Richard Guenther  <rguenther@suse.de>
1196
1197         PR tree-optimization/53085
1198         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1199         stores.
1200
1201 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1202
1203         PR middle-end/53084
1204         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1205         of MEM_REF.
1206         (output_addressed_constants): Likewise.
1207
1208         PR middle-end/52999
1209         * varasm.c (get_section): Don't ICE for section conflicts with
1210         built-in section kinds.
1211
1212 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1213
1214         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1215
1216 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1217
1218         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1219
1220 2012-04-23  Richard Guenther  <rguenther@suse.de>
1221
1222         PR c/53060
1223         * c-typeck.c (build_binary_op): Fix typo.
1224
1225 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1226
1227         PR tree-optimizations/52891
1228         * tree-vect-patterns.c (adjust_bool_pattern): Use
1229         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1230         but with non-standard precision.
1231
1232 2012-04-22  Ian Lance Taylor  <iant@google.com>
1233
1234         * godump.c (go_output_typedef): Dump size of structs.
1235
1236 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1237
1238         Backport from mainline:
1239
1240         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1241         hints for 'A' operand types.
1242
1243 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1244
1245         Backport from 2012-04-19 mainline r186588.
1246
1247         PR target/53033
1248         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1249         the case *(X+const).
1250
1251 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1252
1253         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1254
1255 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1256
1257         PR target/53020
1258         * config/i386/sync.md (atomic_<code><mode>): Rename to
1259         atomic_<logic><mode>.
1260
1261 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1262
1263         Backport from mainline
1264         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1265
1266         PR target/52932
1267         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1268         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1269         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1270         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1271         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1272         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1273         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1274         gen_avx2_permvarv8sf.
1275
1276 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1277
1278         Backported from mainline
1279
1280         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1281         PR middle-end/52939
1282
1283         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1284         fold_ctor_reference returns a zero constant.
1285
1286 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1287
1288         Backported from mainline
1289         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1290
1291         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1292         and __ILP32__ for x32.
1293
1294 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1295
1296         Backport from mainline r186418.
1297
1298         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1299
1300         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1301         parameters vuse and vuse_escaped.
1302         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1303         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1304         vuse1 != vuse2.
1305
1306 2012-04-13  Richard Guenther  <rguenther@suse.de>
1307
1308         PR tree-optimization/52969
1309         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1310         the condition for the COND_EXPR and handle predicate negation
1311         by swapping the COND_EXPR arms.
1312
1313 2012-04-13  Richard Guenther  <rguenther@suse.de>
1314
1315         PR c/52862
1316         * convert.c (convert_to_pointer): Remove special-casing of
1317         zero.
1318
1319 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1320
1321         Backport from mainline
1322         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1323
1324         PR target/52775
1325         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1326         the list of options to enable the FCFID instruction.
1327         (TARGET_EXTRA_BUILTINS): Adjust comment.
1328
1329 2012-04-12  Richard Guenther  <rguenther@suse.de>
1330
1331         PR tree-optimization/52943
1332         * tree-chrec.h (chrec_is_positive): Remove.
1333         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1334         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1335         Return false for a constant zero instead of negative.
1336         (analyze_siv_subscript_cst_affine): Handle zero difference
1337         in the initial condition explicitely.
1338
1339 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1340
1341         PR middle-end/52894
1342         * varasm.c (process_pending_assemble_externals): Set
1343         pending_assemble_externals_processed true.
1344         (assemble_external): Call assemble_external_real if the pending
1345         assemble externals have been processed.
1346
1347 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1348
1349         PR target/52717
1350         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1351         the DECL generated for the special GOT helper.
1352
1353 2012-04-06  Walter Lee  <walt@tilera.com>
1354
1355         Backport from mainline
1356         2012-03-07  Walter Lee  <walt@tilera.com>
1357
1358         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1359         REG_CFA_* notes for the stack pointer.
1360         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1361         EH_RETURN_STACKADJ_RTX.
1362         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1363         generate REG_CFA_* notes for the stack pointer.
1364         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1365         by EH_RETURN_STACKADJ_RTX.
1366
1367 2012-04-06  Matt Turner  <mattst88@gmail.com>
1368
1369         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1370
1371 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1372
1373         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1374         of the destination isn't also a FP_REGS register.
1375
1376 2012-04-03  Richard Guenther  <rguenther@suse.de>
1377
1378         Backport from mainline
1379         2012-03-02  Richard Guenther  <rguenther@suse.de>
1380
1381         PR tree-optimization/52406
1382         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1383         (struct indices): Add unconstrained_base member.
1384         (struct dr_alias): Remove unused vops member.
1385         (DR_UNCONSTRAINED_BASE): New define.
1386         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1387         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1388         be an artificial access that covers the whole indexed object,
1389         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1390         plain decl base-objects to their MEM_REF variant.
1391         (dr_may_alias_p): When the base-object of either data reference
1392         has unknown size use only points-to information.
1393         (compute_affine_dependence): Make dumps easier to read and
1394         more verbose.
1395         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1396         DR_REF when looking for packed references.
1397         (vect_supportable_dr_alignment): Likewise.
1398
1399 2012-04-03  Richard Guenther  <rguenther@suse.de>
1400
1401         Backport from mainline
1402         2012-03-15  Richard Guenther  <rguenther@suse.de>
1403
1404         PR middle-end/52580
1405         * tree-data-ref.c (subscript_dependence_tester_1): Check
1406         all dimensions for non-conflicting access functions.
1407
1408 2012-04-03  Richard Guenther  <rguenther@suse.de>
1409
1410         Backport from mainline
1411         2012-03-06  Richard Guenther  <rguenther@suse.de>
1412
1413         PR middle-end/52493
1414         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1415
1416         2012-03-23  Richard Guenther  <rguenther@suse.de>
1417
1418         PR tree-optimization/52678
1419         * tree-vectorizer.h (struct _stmt_vec_info): Add
1420         loop_phi_evolution_part member.
1421         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1422         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1423         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1424         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1425         Use the cached evolution part and the PHI nodes value from
1426         the loop preheader edge instead of re-analyzing the evolution.
1427
1428         2012-03-26  Richard Guenther  <rguenther@suse.de>
1429
1430         PR tree-optimization/52701
1431         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1432         compute and set the evolution part of PHI nodes.
1433
1434         2012-03-30  Richard Guenther  <rguenther@suse.de>
1435
1436         PR tree-optimization/52754
1437         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1438         propagate arbitrary addresses into really plain dereferences.
1439
1440 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1441
1442         PR tree-optimization/52835
1443         * tree-data-ref.c (build_rdg): Return NULL if
1444         compute_data_dependences_for_loop failed.
1445
1446 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1447
1448         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1449         (stmt_can_make_abnormal_goto): Use it.
1450         (is_ctrl_altering_stmt): Likewise.
1451
1452 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1453
1454         Backported from mainline
1455         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1456
1457         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1458         is a builtin_stack_save in a dominating BB.
1459
1460 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1461
1462         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1463         crossing 128bit lane boundary.
1464
1465 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1466
1467         Backported from mainline
1468         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1469
1470         PR target/52698
1471         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1472         New prototype.
1473         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1474         * config/i386/i386.c: Include reload.h.
1475         (ix86_legitimize_reload_address): New function.
1476
1477 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1478
1479         Backported from mainline
1480         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1481
1482         PR middle-end/52693
1483         * tree-sra.c (sra_modify_assign): Do not call
1484         load_assign_lhs_subreplacements when working with an unscalarizable
1485         region.
1486
1487 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR middle-end/52691
1490         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1491         __builtin_va_start to __builtin_next_arg if the latter is
1492         builtin_decl_explicit_p rather than when it is not.
1493
1494         PR middle-end/52750
1495         * tree-vect-generic.c (vector_element): Perform multiplication
1496         for pos in bitsizetype type instead of idx type.
1497
1498 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1499
1500         Backport from 2012-03-28 mainline r185910.
1501
1502         PR target/52692
1503         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1504         (avr_builtin_decl): New static function.
1505         (struct avr_builtin_description, avr_bdesc): Move up.
1506         Add GTY marker. Add field fndecl. Remove redundant field id.
1507         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1508         (avr_expand_builtin): Code cleanup because .id is removed.
1509
1510 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1511
1512         PR middle-end/51893
1513         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1514         targets.
1515
1516 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1517
1518         Backport from 2012-03-28 mainline r185907.
1519
1520         PR target/52737
1521         * config.gcc (tm_file): Remove avr/multilib.h.
1522
1523         * doc/invoke.texi (AVR Options): Adjust
1524         documentation of -mtiny-stack.
1525
1526         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1527         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1528         * config/avr/t-avr: Remove generation of multilib.h.
1529         * config/avr/t-multilib: Regenerate.
1530         * config/avr/multilib.h: Remove.
1531         * config/avr/avr.opt (-msp8): New option.
1532         (avr_sp8): New variable.
1533         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1534         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1535         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1536         (avr_device_to_sp8): New prototype.
1537         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1538         (DRIVER_SELF_SPECS): New define.
1539         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1540         __AVR_SP8__, __AVR_HAVE_SPH__.
1541         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1542         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1543         (avr_file_start): Ditto.
1544
1545 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1546
1547         PR target/52736
1548         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1549         instead of 8 in adjust_address.
1550
1551 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1552
1553         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1554         of a unit before computing the offset in units.
1555
1556 2012-03-27  Richard Guenther  <rguenther@suse.de>
1557
1558         PR middle-end/52720
1559         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1560         explicitely.
1561
1562 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1563
1564         PR target/52610
1565         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1566
1567 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1568
1569         PR middle-end/52640
1570         * varasm.c: Include pointer-set.h.
1571         (pending_assemble_externals_set): New pointer set.
1572         (process_pending_assemble_externals): Destroy the pointer set.
1573         (assemble_external): See if decl is in pending_assemble_externals_set,
1574         and add it to pending_assemble_externals if necessary.
1575         (init_varasm_once): Allocate pending_assemble_externals_set.
1576
1577 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1578
1579         Backported from mainline
1580         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1581
1582         PR target/50310
1583         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1584         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1585         (vector_ltgt<mode>): Likewise.
1586         (vector_ordered<mode>): Likewise.
1587         (vector_unordered<mode>): Likewise.
1588         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1589
1590 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1591
1592         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1593         Make static.
1594
1595 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1596
1597         Backported from mainline
1598         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1599
1600         PR target/48596
1601         PR target/48806
1602         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1603         GENERAL_REGS and FP_REGS for SImode.
1604
1605 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1606
1607         PR middle-end/52547
1608         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1609         on any new_local_var_chain vars declared during recursing on
1610         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1611
1612 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1613
1614         Backport from 2012-03-22 mainline r185692.
1615
1616         PR target/52496
1617         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1618         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1619         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1620         (delay_cycles_1, delay_cycles_2): Ditto.
1621         (delay_cycles_3, delay_cycles_4): Ditto.
1622         (nopv, *nopv): Ditto.
1623         (sleep, *sleep): Ditto.
1624         (wdr, *wdr): Ditto.
1625
1626         Backport from 2012-03-21 mainline r185605.
1627
1628         PR rtl-optimization/52543
1629         PR target/52461
1630         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1631         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1632         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1633         (avr_load_libgcc_p): Restrict to __flash loads.
1634         (avr_out_lpm): Only handle 1-byte loads from __flash.
1635         (avr_load_lpm): New function.
1636         (avr_find_unused_d_reg): Remove.
1637         (avr_out_lpm_no_lpmx): Remove.
1638         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1639         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1640         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1641         (load_<mode>, load_<mode>_clobber): New insns.
1642         (mov<mode>): For multi-byte move from non-generic
1643         16-bit address spaces: Expand to load_<mode> resp.
1644         load_<mode>_clobber.
1645         (load<mode>_libgcc): Remove expander.
1646         (split-lpmx): Remove split.
1647
1648         Backport from 2012-03-13 mainline r185329.
1649
1650         PR target/52488
1651         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1652         offset (size) to a value the insns can deal with.
1653         (expand_epilogue): Ditto.
1654
1655         Backport from 2012-03-12 mainline r185256.
1656
1657         PR target/52499
1658         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1659         type from reg_class_t to enum reg_class.
1660         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1661
1662         Backport from 2012-03-12 mainline r185253.
1663
1664         PR target/52148
1665         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1666         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1667         r184615 from 2012-02-28.
1668
1669         Backport from 2012-03-08 mainline r185105.
1670
1671         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1672         for constants in [-63,63].
1673
1674         Backport from 2012-03-08 mainline r185100.
1675
1676         PR target/52496
1677         * config/avr/avr.c (avr_mem_clobber): New static function.
1678         (avr_expand_delay_cycles): Add memory clobber operand to
1679         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1680         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1681         (enable_interrupt, disable_interrupt): New expander.
1682         (nopv, sleep, wdr): New expanders.
1683         (delay_cycles_1): Add memory clobber.
1684         (delay_cycles_2): Add memory clobber.
1685         (delay_cycles_3): Add memory clobber.
1686         (delay_cycles_4): Add memory clobber.
1687         (cli_sei): New insn from former "enable_interrupt",
1688         "disable_interrupt" with memory clobber.
1689         (*wdt): New insn from former "wdt" with memory clobber.
1690         (*nopv): Similar, but for "nopv".
1691         (*sleep): Similar, but for "sleep".
1692
1693         Backport from 2012-03-07 mainline r185043.
1694
1695         PR target/52484
1696         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1697
1698         Backport from 2012-03-07 mainline r185032.
1699
1700         PR target/52506
1701         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1702         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1703         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1704
1705         Backport from 2012-03-07 mainline r185031.
1706
1707         PR target/52505
1708         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1709         from RAM.
1710         * config/avr/avr.md (xload_8): Adjust insn length.
1711
1712         Backport from 2012-03-07 mainline r185030.
1713
1714         PR target/52461
1715         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1716         if RAMPZ affects reading from RAM.
1717
1718         Backport from 2012-03-05 mainline r184919.
1719
1720         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1721
1722 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1723
1724         Backport from mainline r185259.
1725
1726         PR other/52545
1727         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1728         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1729
1730 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1731
1732         Backported from mainline
1733         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1734
1735         PR c/52577
1736         * c-parser.c (c_parser_postfix_expression)
1737         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1738
1739         * config/i386/smmintrin.h: Avoid /* within a comment.
1740         * config/i386/nmmintrin.h: Likewise.
1741
1742 2012-03-22  Richard Guenther  <rguenther@suse.de>
1743
1744         * BASE-VER: Set to 4.7.1.
1745         * DEV-PHASE: Set to prerelease.
1746
1747 2012-03-22  Release Manager
1748
1749         * GCC 4.7.0 released.
1750
1751 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1752
1753         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1754
1755 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1756             Andrew Pinski  <apinski@cavium.com>
1757
1758         PR middle-end/52592
1759         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1760         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1761         calls instead of __builtin_ir{int,ound}*.
1762
1763 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1764
1765         PR c++/52582
1766         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1767         if c_node is NULL.
1768
1769 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1770
1771         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1772         Refer to GCC 4.7 version of c99status.html.
1773
1774 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1775
1776         Backport from mainline
1777         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1778
1779         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1780         redefine to be NULL if the current bit-size is different from the
1781         configured bit-size.
1782
1783         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1784         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1785         set the default tuning.  Add asserts to make sure the cpu and tune
1786         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1787         test whether the index is set, instead of > 0.
1788         (rs6000_file_start): Do not reset the default cpu if the current
1789         bit-size is different from the configured bit-size.
1790
1791 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1792
1793         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1794         binutils reference.
1795         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1796         Update binutils references.
1797         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1798         Update binutils reference.
1799         Update Sun as/GNU ld caveat.
1800         Document binutils largefile requirement for LTO plugin.
1801         Remove reference to alternate libpthread.
1802
1803 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1804
1805         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1806         reference.
1807         (Specific, mips-sgi-irix6): Likewise.
1808
1809 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1810
1811         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1812         * configure: Regenerate.
1813
1814 2012-03-07  Richard Henderson  <rth@redhat.com>
1815
1816         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1817         * config/m68k/sync.md (atomic_test_and_set): Use it.
1818         (atomic_test_and_set_1): Likewise.
1819
1820 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1821
1822         PR target/51417
1823         * Makefile.in: Let install-gcc-ar depend on installdirs,
1824         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1825         Don't double canonicalize if cross-compiling.
1826
1827 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1828
1829         * trans-mem.c: New typedef for tm_region_p.
1830         Define vector types for tm_region_p.
1831         (tm_region_init): Replace region_worklist to a vector called
1832         bb_regions.
1833
1834 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1835
1836         PR middle-end/52463
1837         * trans-mem.c (tm_region_init): Use last_basic_block.
1838
1839 2012-03-05  Richard Henderson  <rth@redhat.com>
1840
1841         PR tree-opt/52242
1842         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1843         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1844         BIGGEST_ALIGNMENT is aligned.
1845
1846 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1847
1848         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1849
1850 2012-03-05  Richard Henderson  <rth@redhat.com>
1851
1852         PR target/52481
1853         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1854         instead of calling negqi2 directly.
1855
1856 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1857
1858         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1859         (INTMAX_TYPE): Use it.
1860         (UINTMAX_TYPE): Likewise.
1861         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1862         (irix6_c_common_override_options): Declare.
1863         (C_COMMON_OVERRIDE_OPTIONS): Define.
1864         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1865         * config/mips/irix6-c.c: New file.
1866         * config/mips/t-irix6 (irix6-c.o): New target.
1867         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1868         cxx_target_objs.
1869
1870 2012-03-02  Richard Henderson  <rth@redhat.com>
1871
1872         * optabs.c (expand_atomic_test_and_set): Honor
1873         atomic_test_and_set_trueval even when atomic_test_and_set
1874         optab is not in use.
1875
1876 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1877
1878         Backport from mainline
1879         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1880
1881         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1882
1883 2012-03-02  Richard Guenther  <rguenther@suse.de>
1884
1885         * DEV-PHASE: Set to prerelease.
1886
1887 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1888
1889         * config.gcc (obsolete): Add all ARM targets using the FPA.
1890         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1891         * doc/install.texi: Avoid references to obsolete ARM ports.
1892
1893 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1894
1895         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1896
1897 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1898             Joern Rennecke  <joern.rennecke@embecosm.com>
1899
1900         * doc/extend.texi: Expand and update information on interrupt
1901         attribute for Epiphany.
1902
1903 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1904
1905         * config/sh/sh-protos.h: Update copyright notice dates.
1906         * config/sh/sh.h: Likewise.
1907         * config/sh/sh.md: Likewise.
1908         * config/sh/constraints.md: Likewise.
1909         * config/sh/predicates.md: Likewise.
1910
1911 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1912
1913         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1914         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1915
1916 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1917
1918         * config/sh/constraints.md: Fix comment typo.
1919
1920 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1921
1922         PR target/52408
1923         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1924         unsigned HOST_WIDE_INT.
1925         (zvdep_imm64): Likewise.
1926         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1927         (vdepi_and): Likewise.
1928         Likewise for unamed 64-bit patterns.
1929         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1930
1931 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1932
1933         PR debug/52001
1934         PR rtl-optimization/52417
1935         * cselib.c (cselib_any_perm_equivs): New variable.
1936         (cselib_reset_table): Check that it's not set when not
1937         preserving constants.
1938         (cselib_add_permanent_equiv): Set it.
1939         (cselib_have_permanent_equivalences): New.
1940         (cselib_init, cselib_finish): Reset it.
1941         * cselib.h (cselib_have_permanent_equivalences): Declare.
1942         * alias.c (get_addr): Restore earlier behavior when there
1943         aren't permanent equivalences.
1944
1945 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1946
1947         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1948         * config/v850/v850-modes.def: Fix copyright notice.
1949
1950 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1951
1952         * doc/extend.texi (AVR Built-in Functions): Document
1953         __builtin_avr_flash_segment.
1954
1955         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1956         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1957         (*split.flash_segment): New insn-and-split.
1958         * config/avr/avr.c (avr_init_builtins): Add local variables:
1959         const_memx_void_node, const_memx_ptr_type_node,
1960         char_ftype_const_memx_ptr.
1961
1962 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1963
1964         PR tree-optimization/52445
1965         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1966         add ssa_name_ver, offset and size fields and change store field
1967         to bool.
1968         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1969         (add_or_mark_expr): Likewise.  Only consider previous stores
1970         with the same size and offset.
1971         (nt_init_block): Only look at gimple_assign_single_p stmts,
1972         doesn't look at rhs2.
1973
1974 2012-03-01  Richard Guenther  <rguenther@suse.de>
1975
1976         PR middle-end/52443
1977         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1978         conversions from integral types to pointer types.
1979
1980 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1981
1982         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1983         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1984         unintentionally removed in r184616.
1985
1986 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1987
1988         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1989         3DNow from bdver1.
1990
1991 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1992             Uros Bizjak  <ubizjak@gmail.com>
1993
1994         PR target/52437
1995         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1996         alternatives, add "e" constraint to the new last alternative
1997         and ! to last 3 alternatives.
1998
1999 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2000
2001         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2002         DW_AT_artificial attributes at the end of the processing.
2003         (gen_array_type_die): Likewise.
2004         (gen_enumeration_type_die): Likewise.
2005         (gen_struct_or_union_type_die): Likewise.
2006         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2007         the parent type.
2008
2009 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR middle-end/52419
2012         * expr.c (expand_assignment): If doing misaligned store that doesn't
2013         cover all mode bits, perform a RMW cycle.
2014
2015         PR tree-optimization/52429
2016         * tree-parloops.c (separate_decls_in_region_debug): Return early
2017         if var is LABEL_DECL.
2018
2019 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2020
2021         PR tree-optimization/52424
2022         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2023         calling dom_thread_across_edge.
2024
2025 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2026
2027         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2028
2029 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2030
2031         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2032         * config/avr/avr.c (avr_output_bld): Remove unused function.
2033         (avr_out_sbxx_branch): Use "%T" to print bit position.
2034
2035 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2036
2037         * config/avr/avr.md: Untabify.
2038
2039 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2040
2041         * config/avr/avr.md (eqne): New code iterator.
2042         (*dec-and-branchsi): Use it in text peephole's condition.
2043         (*dec-and-branchhi): Ditto.
2044         (*dec-and-branchqi): Ditto.
2045
2046 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2047
2048         PR target/49939
2049         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2050         the device does not have the skip-bug.
2051
2052 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2053
2054         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2055         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2056         -mpretend-cmove): New.
2057
2058 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2059
2060         PR bootstrap/52397
2061         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2062         doesn't count DEBUG_INSN refs.
2063         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2064         for DEBUG_INSN refs.
2065
2066 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2067
2068         Partially revert:
2069
2070         2012-02-20  Richard Guenther  <rguenther@suse.de>
2071         PR tree-optimization/52298
2072         * tree-vect-stmts.c (vectorizable_load): Properly use
2073         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2074         outer loops.
2075
2076 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2077
2078         PR middle-end/51752
2079         * gimple.h (gimple_in_transaction): New.
2080         (gimple_set_in_transaction): New.
2081         (struct gimple_statement_base): Add in_transaction field.
2082         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2083         transaction loads.
2084         (tree_ssa_lim_initialize): Compute transaction bits.
2085         * tree.h (compute_transaction_bits): Protoize.
2086         * trans-mem.c (tm_region_init): Use the heap to store BB
2087         auxilliary data.
2088         (compute_transaction_bits): New.
2089
2090 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2091
2092         * gcc.c (display_help): Document --help=common and sort entries
2093         alphabetically.
2094
2095 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2096
2097         * doc/install.texi: Document check-$LANG specific shortcuts
2098
2099 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2100
2101         PR target/51534
2102         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2103         and vcgtu.
2104         * config/arm/arm_neon.h: Regenerate.
2105         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2106         (neon_vcgeu): New insn.
2107         (neon_vcgtu): Likewise.
2108         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2109         (ops): Unsigned comparison intrinsics call a different
2110         builtin.
2111
2112 2012-02-28  Richard Guenther  <rguenther@suse.de>
2113
2114         PR target/52407
2115         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2116         ordering for the VEC_CONCAT for two element vectors for
2117         V2SFmode, V2SImode and V2DImode.
2118
2119 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2120
2121         PR target/49448
2122         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2123         detecting big-endian triplets.
2124
2125 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2126
2127         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2128         mode if there is no type information available.
2129
2130 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2131
2132         PR tree-optimization/53207
2133         * doc/invoke.texi: Document as experimental and relying on graphite.
2134
2135 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2136
2137         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2138         of initializer to changes from r184614.
2139
2140 2012-02-28  Richard Guenther  <rguenther@suse.de>
2141
2142         PR tree-optimization/52395
2143         * tree-sra.c (build_ref_for_offset): Also look at the base
2144         TYPE_ALIGN when figuring out the alignment of the replacement.
2145
2146 2012-02-28  Richard Guenther  <rguenther@suse.de>
2147
2148         PR tree-optimization/52402
2149         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2150         mis-aligned types when creating the accesses at the call site.
2151
2152 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2153
2154         * config/avr/builtins.def: New file.
2155         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2156         * config/avr/avr.c (enum avr_builtin_id): Use it.
2157         (avr_init_builtins): Use it. And use avr_bdesc.
2158         (bdesc_1arg): Remove.
2159         (bdesc_2arg): Remove.
2160         (bdesc_3arg): Remove.
2161         (struct avr_builtin_description): Add field n_args.
2162         (avr_bdesc): New static variable using builtins.def.
2163         (avr_expand_builtin): Use it.
2164         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2165         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2166         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2167
2168 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2169
2170         PR target/52148
2171         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2172         match only one single hard register with respective hard reg rtx.
2173         (movmemx_<mode>): Ditto.
2174         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2175         insn anatomy of movmem[x]_<mode>.
2176         (avr_out_movmem): Same for printing assembler and operand usage.
2177
2178 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2179
2180         PR target/49868
2181         PR target/52261
2182         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2183         address spaces located outside of device flash.
2184
2185         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2186         (mcu_type_s): Add field n_flash.
2187         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2188         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2189         (AVR_MCU): Add N_FLASH argument.
2190         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2191         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2192         macro __FLASH<n> if that address space makes sense for the device.
2193         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2194         outside of target flash.
2195         (avr_asm_named_section): Ditto.
2196         (avr_asm_select_section): Ditto.
2197         (avr_addr_space_convert): Ditto.
2198         (avr_emit_movmemhi): Ditto.
2199         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2200         address space is outside of device flash.
2201         (avr_insert_attributes): Ditto.
2202         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2203         avr_current_arch->n_segments.
2204
2205 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2206
2207         PR target/52352
2208         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2209         TARGET_LP64.
2210         (*movabs<mode>_2): Likewise.
2211
2212 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2213
2214         PR target/52375
2215         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2216         s_register_operand in the test instead of REG_P.  Don't call
2217         gen_reg_rtx if it won't be used.
2218
2219         PR tree-optimization/52376
2220         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2221
2222 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2223
2224         * ifcvt.c (noce_get_condition): Check condition variable is not
2225         small_register_classes_for_mode_p before accepting.
2226
2227 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2228
2229         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2230
2231 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2232
2233         Revert:
2234         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2235         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2236         tuning parameters.
2237         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2238
2239 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2240
2241         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2242
2243 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2244
2245         * config/sh/predicates.md: Remove blank lines.
2246         * config/sh/sh.c: Fix typos in comments.
2247         * config/sh/constraints.md: Likewise.
2248         * config/sh/sh.md: Remove blank lines.
2249         Fix typos in comments.  Use ;; as comment characters.
2250
2251 2012-02-26  Walter Lee  <walt@tilera.com>
2252
2253         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2254         (replace_mov_pcrel_step2): Ditto.
2255
2256 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2257
2258         PR debug/52001
2259         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2260         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2261         and locs that reference values newer than the non-canonical value
2262         at hand.  Return the canonical value as a worst case.
2263         (memrefs_conflict_p): Walk canonical value's locs.
2264
2265         PR debug/52001
2266         * cselib.c (preserve_only_constants): Rename to...
2267         (preserve_constants_and_equivs): ... this.  Split out...
2268         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2269         of other preserved expressions too.
2270         (cselib_reset_table): Adjust.
2271         * var-tracking.c (reverse_op): Use canonical value to build
2272         reverse operation.
2273
2274 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2275
2276         * config/i386/i386.c (ix86_delegitimize_address): Handle
2277         UNSPEC_PCREL plus displacement.
2278
2279 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2280
2281         PR target/52261
2282         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2283         to test for unusedness in st X addressing.
2284
2285 2012-02-24  Richard Guenther  <rguenther@suse.de>
2286
2287         PR middle-end/52361
2288         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2289         (is_gimple_reg_type): Move inline ...
2290         * gimple.h (is_gimple_reg_type): ... here.
2291
2292 2012-02-24  Richard Guenther  <rguenther@suse.de>
2293
2294         PR middle-end/52361
2295         * passes.c (execute_function_todo): When verifying SSA form
2296         verify gimple form first.
2297         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2298
2299 2012-02-24  Richard Guenther  <rguenther@suse.de>
2300
2301         PR middle-end/52355
2302         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2303         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2304
2305 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2306
2307         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2308
2309 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2310
2311         * tree-phinodes.c (make_phi_node): Mark static.
2312         * tree-flow.h (make_phi_node): Remove extern decl.
2313         * doc/gimple.texi (make_phi_node): Remove documentation.
2314
2315 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2316
2317         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2318         * tree-ssa-sccvn.c (print_scc): Ditto.
2319
2320 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2321
2322         * doc/passes.texi (Full redundancy elimination): Fix typo.
2323
2324 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2325
2326         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2327
2328 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2329
2330         PR bootstrap/52287
2331         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2332
2333 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2334
2335         PR c/52290
2336         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2337
2338 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2339
2340         * config/avr/avr.md (code_stdname): Add ior, xor.
2341         (xior): New code iterator.
2342         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2343         (*<code_stdname><mode>qi.byte1-3): Ditto.
2344
2345 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2346
2347         PR tree-optimization/52019
2348         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2349         CLOBBER stmts.
2350
2351 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2352
2353         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2354         HAVE_INITFINI_ARRAY to work around namespace pollution in
2355         certain versions of newlib system headers.
2356         * config.in: Regenerate.
2357         * configure: Regenerate.
2358         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2359         instead of HAVE_INITFINI_ARRAY.
2360
2361 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2362
2363         PR target/52330
2364         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2365         is not offsettable memory reference.
2366
2367 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2368
2369         PR target/18145
2370         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2371         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2372
2373 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2374
2375         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2376         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2377
2378 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2379
2380         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2381         library on Solaris 8 even without TLS support.
2382         * configure: Regenerate.
2383
2384 2012-02-22  Richard Guenther  <rguenther@suse.de>
2385
2386         PR middle-end/52329
2387         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2388         for GIMPLE_DEBUG stmts.
2389
2390 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2391
2392         PR middle-end/51782
2393         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2394         according to the base object.
2395
2396 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2397
2398         PR rtl-optimization/50063
2399         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2400         and 2 (8-bit SP) in operand 2.
2401         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2402         setup to use movhi_sp_r instead of vanilla move to write SP.
2403         Adjust REG_CFA notes to superseed unspec.
2404         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2405         of vanilla move.
2406         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2407         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2408         irq_state 1 (IRQ known to be on) here.
2409
2410 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2411
2412         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2413         WORDS_BIG_ENDIAN.
2414         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2415         assign_hard_reg): Likewise.
2416
2417 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2418
2419         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2420
2421 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2422
2423         * config/avr/avr.md
2424         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2425         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2426
2427 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2428
2429         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2430         prototype from here to...
2431         * config/avr/avr.h: ...here.
2432
2433 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2434
2435         PR target/52294
2436         * thumb2.md (thumb2_shiftsi3_short): Split register and
2437         immediate shifts.  For register shifts tie operands 0 and 1.
2438         (peephole2 for above): Check that register-controlled shifts
2439         have suitably tied operands.
2440
2441 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2442
2443         PR target/52137
2444         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2445         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2446         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2447         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2448         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2449         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2450         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2451         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2452         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2453         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2454         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2455         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2456         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2457         bdver1_ssevector_avx256_unaligned_load,
2458         bdver1_ssevector_sse128_unaligned_load,
2459         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2460         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2461         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2462         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2463         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2464         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2465         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2466         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2467         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2468         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2469         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2470         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2471         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2472         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2473         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2474         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2475         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2476         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2477         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2478         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2479         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2480         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2481         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2482         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2483         bdver1_ssediv_double_load, bdver1_ssediv_double,
2484         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2485         Add "bdver2" attribute.
2486
2487 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2488
2489         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2490         default if possible and not specified otherwise.
2491
2492 2012-02-21  Richard Guenther  <rguenther@suse.de>
2493
2494         PR middle-end/52314
2495         * gimplify.c (create_tmp_from_val): Use the main variant type
2496         for the type of the temporary we create.
2497
2498 2012-02-21  Richard Guenther  <rguenther@suse.de>
2499
2500         PR tree-optimization/52324
2501         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2502         do not gimplify a MEM_REF address operand if it is already
2503         in suitable form.
2504
2505 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2506
2507         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2508         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2509
2510 2012-02-21  Richard Guenther  <rguenther@suse.de>
2511
2512         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2513         nested_in_vect_loop.
2514
2515 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2516
2517         PR tree-optimization/52318
2518         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2519         vdef also to non-pure/const call stmts in the sequence.
2520
2521 2012-02-20  David S. Miller  <davem@davemloft.net>
2522
2523         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2524         don't use the "rd %pc" instruction on v9 for PIC register loads.
2525
2526 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2527
2528         PR middle-end/52141
2529         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2530         in a transaction safe function.
2531
2532 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2533
2534         PR target/52238
2535         * stor-layout.c (place_field): Handle desired_align for
2536         ms-bitfields, too.
2537
2538 2012-02-20  Richard Guenther  <rguenther@suse.de>
2539
2540         PR tree-optimization/52298
2541         * tree-vect-stmts.c (vectorizable_store): Properly use
2542         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2543         outer loops.
2544         (vectorizable_load): Likewise.
2545         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2546         Access DR_STEP after ensuring it is not NULL.
2547
2548 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2549
2550         PR tree-optimization/52286
2551         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2552         optimization use double_int_to_tree instead of build_int_cst_wide,
2553         rewrite to use double_int vars.
2554
2555 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2556
2557         PR target/50166
2558         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2559         Define _start.
2560         Remove -e 0 from $gcc_cv_ld invocation.
2561         Only use __GLIBC_PREREQ if defined.
2562         Enable on Solaris since Solaris 8 patch.
2563         (gcc_SUN_LD_VERSION): New macro.
2564         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2565         gcc_SUN_LD_VERSION for version number format.
2566         * configure: Regenerate.
2567         * varasm.c (get_elf_initfini_array_priority_section): Set
2568         SECTION_NOTYPE for non-default priority.
2569         Use get_section instead of get_unnamed_section to emit
2570         .init_array/.fini_array with default priority.
2571
2572 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2573
2574         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2575         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2576         (mips_start_unique_function, mips_output_mips16_rdhwr)
2577         (mips_code_end): New functions.
2578         (TARGET_ASM_CODE_END): Define.
2579
2580 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2581
2582         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2583         to stubs with non-sibling calls.
2584
2585 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2586
2587         * doc/invoke.texi (-fira-* options): Copy-edit.
2588         (ira-* parameters): Copy-edit.
2589
2590 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2591
2592         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2593         GCC coding conventions.
2594
2595 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2596
2597         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2598         when used as adjectives.
2599
2600 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2601
2602         * doc/invoke.texi: Clean up "that"/"which" confusion.
2603
2604 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2605
2606         * system.h: Poison SMALL_REGISTER_CLASSES
2607         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2608         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2609
2610 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2611
2612         PR tree-optimization/52285
2613         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2614         when deciding if a call is a tail call or tail recursion.
2615
2616 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2617
2618         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2619         interger-constant displacement for UNSPEC_PCREL.
2620
2621 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2622
2623         PR rtl-optimization/52208
2624         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2625         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2626
2627         PR tree-optimization/52255
2628         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2629         loop->header has virtual PHI, but exit_e->dest doesn't, add
2630         virtual PHI to exit_e->dest and adjust all uses after the loop.
2631
2632         PR debug/52260
2633         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2634         children with clone_tree_hash, not after it.
2635
2636 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2637
2638         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2639         extended identifiers.
2640
2641 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2642
2643         PR middle-end/51929
2644         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2645         a same_body_alias, also test whether e->callee isn't a former
2646         or current clone of the decl this is a same body alias of.
2647
2648         PR translation/52264
2649         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2650
2651 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2652
2653         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2654
2655 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2656
2657         PR target/52199
2658         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2659         force_reg instead of copy_to_reg for better optimization.  Force
2660         non-register or memory operands into a register.
2661
2662 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2663
2664         * extend.texi: Reserve upper bits of memory model for future use.
2665
2666 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2667             Anatoly Sokolov <aesok@post.ru>
2668             Eric Weddington <eric.weddington@atmel.com>
2669
2670         PR target/52261
2671         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2672         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2673         Rewrite initializers for .macro.
2674         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2675         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2676         atxmega32d4, atxmega32x1.
2677         avrxmega4: atxmega64a3, atxmega64d3.
2678         avrxmega5: atxmega64a1, atxmega64a1u.
2679         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2680         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2681         avrxmega7: atxmega128a1, atxmega128a1u.
2682         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2683         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2684         (struct base_arch_s): Rename reserved to xmega_p.
2685         Rename reserved2 to have_rampd.
2686         (AVR_XMEGA): New define.
2687         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2688         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2689         * config/avr/predicates.md (io_address_operand): Take into
2690         account SFR offset.
2691         (low_io_address_operand): Ditto.
2692         (high_io_address_operand): Ditto.
2693         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2694         (enabled, movhi_sp_r): Use them.
2695         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2696         cpp_define_formatted to built-in define __AVR_ARCH__.
2697         (__AVR_XMEGA__): New built-in define.
2698         (__AVR_HAVE_RAMPD__): New built-in define.
2699         (__AVR_HAVE_RAMPX__): New built-in define.
2700         (__AVR_HAVE_RAMPY__): New built-in define.
2701         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2702
2703         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2704         (avr_option_override): Initialize them.
2705         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2706         (avr_init_expanders): Initialize them. No more block several calls.
2707         (emit_push_sfr): New static function.
2708         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2709         Handle AVR_XMEGA.
2710         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2711         (avr_print_operand): Print addreeses as symbols for
2712         RAMPX, RAMPY, RAMPD, CCP.
2713         (output_movhi): Handle AVR_XMEGA when writing to SP.
2714         (avr_out_movhi_mr_r_xmega): New static function.
2715         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2716         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2717         __RAMPD__,  __CCP__ as needed.
2718
2719         * config/avr/multilib.h: Regenerate.
2720         * config/avr/t-multilib: Regenerate.
2721         * config/avr/avr-tables.opt: Regenerate.
2722
2723 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2724
2725         PR tree-optimization/50561
2726         * graphite-flattening.c (lst_project_loop): Do not
2727         remove old scattering dimensions after flattening.
2728         (lst_do_flatten): Likewise.
2729
2730 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2731
2732         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2733         __builtin_avr_map8, __builtin_avr_map16.
2734         Document __builtin_avr_insert_bits.
2735
2736         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2737         (insert_bits): New insn.
2738         (adjust_len.map_bits): Rename to insert_bits.
2739         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2740         * avr-protos.h (avr_out_map_bits): Remove.
2741         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2742         * config/avr/constraints.md (Cxf,C0f): New.
2743         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2744         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2745         New built-in define __BUILTIN_AVR_INSERT_BITS.
2746         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2747         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2748         (avr_move_bits): Rewrite.
2749         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2750         functions.
2751         (avr_map_op_t): New typedef.
2752         (avr_map_op): New static variable.
2753         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2754         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2755         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2756         (bdesc_3arg, avr_expand_triop_builtin): New.
2757         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2758         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2759         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2760         (avr_map_equal_p, avr_map_sig_p): Remove.
2761         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2762         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2763         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2764         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2765         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2766         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2767
2768 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2769
2770         * config/c6x/c6x.md (reserve_cycles): New attribute.
2771         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2772         don't reserve functional units after the branch occurs.
2773
2774 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2775
2776         PR middle-end/52142
2777         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2778         functions into non-tm_pure functions.
2779
2780 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2781
2782         PR lto/52178
2783         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2784         (iterative_hash_canonical_type): Likewise.
2785         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2786         the dead edges.
2787
2788 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2789
2790         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2791         sched-group insn, it either remains alone or the entire list is pruned.
2792
2793 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2794
2795         * doc/install.texi (Prerequisites): Fix grammar.
2796         (Configuration): Likewise.
2797
2798 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2799
2800         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2801         MPC as part of GCC before describing configuring with --with-gmp etc.
2802         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2803         sources are present.
2804
2805 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR debug/51950
2808         * dwarf2out.c (clone_tree_hash): New function.
2809         (copy_decls_walk): Use it instead of clone_tree.
2810
2811 2012-02-14  Richard Guenther  <rguenther@suse.de>
2812
2813         PR tree-optimization/52244
2814         PR tree-optimization/51528
2815         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2816         replacements for integral types.
2817
2818 2012-02-14  Walter Lee  <walt@tilera.com>
2819
2820         * config.gcc: Handle tilegx and tilepro.
2821         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2822         tilegx and tilepro.
2823         Add HAVE_AS_TLS check for tilegx and tilepro.
2824         * configure: Regenerate.
2825         * doc/contrib.texi: Add Mat Hostetter and self.
2826         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2827         Document instruction intrinsics and network accessing intrinsics.
2828         (TILEPro Built-in Functions): New node.  Document instruction
2829         intrinsics and network accessing intrinsics.
2830         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2831         (Specific, tilepro-*-linux*): Likewise.
2832         * doc/invoke.texi (TILE-Gx Options): New section.
2833         (TILEPro Options): New section.
2834         * doc/md.texi (TILE-Gx): New section.
2835         (TILEPro): New section.
2836         * common/config/tilegx/tilegx-common.c: New file.
2837         * common/config/tilepro/tilepro-common.c: New file.
2838         * config/tilegx/constraints.md: New file.
2839         * config/tilegx/linux.h: New file.
2840         * config/tilegx/mul-tables.c: New file.
2841         * config/tilegx/predicates.md: New file.
2842         * config/tilegx/sync.md: New file.
2843         * config/tilegx/t-tilegx: New file.
2844         * config/tilegx/tilegx-builtins.h: New file.
2845         * config/tilegx/tilegx-c.c: New file.
2846         * config/tilegx/tilegx-generic.md: New file.
2847         * config/tilegx/tilegx-modes.def: New file.
2848         * config/tilegx/tilegx-multiply.h: New file.
2849         * config/tilegx/tilegx-protos.h: New file.
2850         * config/tilegx/tilegx.c: New file.
2851         * config/tilegx/tilegx.h: New file.
2852         * config/tilegx/tilegx.md: New file.
2853         * config/tilegx/tilegx.opt: New file.
2854         * config/tilepro/constraints.md: New file.
2855         * config/tilepro/gen-mul-tables.cc: New file.
2856         * config/tilepro/linux.h: New file.
2857         * config/tilepro/mul-tables.c: New file.
2858         * config/tilepro/predicates.md: New file.
2859         * config/tilepro/t-tilepro: New file.
2860         * config/tilepro/tilepro-builtins.h: New file.
2861         * config/tilepro/tilepro-c.c: New file.
2862         * config/tilepro/tilepro-generic.md: New file.
2863         * config/tilepro/tilepro-modes.def: New file.
2864         * config/tilepro/tilepro-multiply.h: New file.
2865         * config/tilepro/tilepro-protos.h: New file.
2866         * config/tilepro/tilepro.c: New file.
2867         * config/tilepro/tilepro.h: New file.
2868         * config/tilepro/tilepro.md: New file.
2869         * config/tilepro/tilepro.opt: New file.
2870
2871 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2872
2873         PR tree-optimization/52210
2874         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2875         vect_model_simple_cost with two entry vect_def_type array instead
2876         of an address of dt.
2877
2878 2012-02-14  Richard Guenther  <rguenther@suse.de>
2879
2880         PR lto/52178
2881         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2882         Do not stream DECL_QUALIFIER.
2883         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2884         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2885         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2886
2887 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2888
2889         PR c/52181
2890         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2891         newdecl.
2892
2893 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2894
2895         PR bootstrap/52172
2896         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2897         * cselib.c (cselib_subst_to_values_from_insn): New function.
2898         * sched-deps.c (add_insn_mem_dependence,
2899         sched_analyze_1, sched_analyze_2): Use it.
2900
2901 2012-02-13  Jan Hubicka  <jh@suse.cz>
2902
2903         PR middle-end/52214
2904         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2905
2906 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2907
2908         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2909         (GTM_SELF_SPECS): Define if not already defined.
2910         (driver_self_specs): Add GTM_SELF_SPECS.
2911         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2912         (GTM_SELF_SPECS): Define.
2913         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2914         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2915
2916 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2917
2918         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2919         away if seen.
2920
2921         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2922
2923         PR middle-end/52230
2924         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2925         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2926
2927 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2928
2929         PR c/52190
2930         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2931
2932 2012-02-13  Richard Guenther  <rguenther@suse.de>
2933
2934         PR translation/52211
2935         * passes.c (enable_disable_pass): Fix typo.
2936
2937 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2938
2939         PR middle-end/52209
2940         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2941         XOR for reduce_bit_field if type is unsigned.
2942
2943 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2944
2945         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2946         disallow changes from SFmode to mode with different size in FP regs.
2947
2948 2012-02-12  Robert Millan  <rmh@gnu.org>
2949             Gerald Pfeifer <gerald@pfeifer.com>
2950
2951         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2952         Tweak comment.
2953
2954 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2955
2956         PR rtl-optimization/52175
2957         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2958         to frame-related instructions.
2959
2960 2012-02-10  Jason Merrill  <jason@redhat.com>
2961
2962         PR c++/51910
2963         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2964         (demangle_new_symbols): Fill it.
2965         (scan_linker_output): Walk it.
2966         (start_tweaking): Split out from scan_linker_output.
2967         (maybe_tweak): Update sym->chosen.
2968         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2969
2970 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2971
2972         PR debug/52132
2973         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2974
2975 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2976
2977         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2978         having the same mode as previous compare.
2979
2980 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2981
2982         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2983         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2984         (nonlocal_goto_internal): Likewise.
2985         (nonlocal_goto): Emit a use and an indirect jump directly.
2986
2987 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2988
2989         PR c/52190
2990         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2991         __atomic_{is,always}_lock_free.
2992
2993 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2994
2995         PR target/52146
2996         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2997         negative constant address for x32.
2998
2999 2012-02-10  Richard Henderson  <rth@redhat.com>
3000
3001         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3002         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3003         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3004
3005 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3006             Ira Rosen  <irar@il.ibm.com>
3007
3008         PR tree-optimization/50031
3009         * targhooks.c (default_builtin_vectorization_cost): Handle
3010         vec_promote_demote.
3011         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3012         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3013         all types of reduction and pattern statements.
3014         (vect_estimate_min_profitable_iters): Likewise.
3015         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3016         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3017         for explicit realigns.
3018         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3019         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3020         vec_promote_demote.
3021         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3022         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3023         vec_perm for VSX and handle vec_promote_demote.
3024
3025 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3026
3027         PR middle-end/52177
3028         * builtins.c (fold_builtin_atomic_always_lock_free,
3029         expand_builtin_atomic_always_lock_free,
3030         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3031         Return and/or test boolean_true_node/boolean_false_node instead of
3032         integer_one_node/integer_zero_node.
3033
3034 2012-02-10  Jan Hubicka  <jh@suse.cz>
3035
3036         PR middle-end/48600
3037         * predict.c (predict_paths_for_bb): Prevent looping.
3038         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3039
3040 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3041
3042         * config/arm/arm.c (output_move_double): In one case properly
3043         count number of instructions that will be emitted.
3044
3045 2012-02-10  Richard Guenther  <rguenther@suse.de>
3046
3047         PR translation/52193
3048         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3049
3050 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3051
3052         PR middle-end/52140
3053         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3054
3055 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3056
3057         PR debug/52165
3058         * var-tracking.c (emit_note_insn_var_location): If
3059         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3060         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3061         non-NOTE_DURING_CALL_P insn.
3062
3063 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3064
3065         PR middle-end/51867
3066         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3067
3068 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3069
3070         PR driver/48524
3071         * gcc.c (switch_matches) Support switches with separated form,
3072         -D and -U.
3073
3074 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3075
3076         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3077         (SP_ADDR): Ditto.
3078         (RAMPZ_ADDR): Ditto.
3079         * config/avr/avr.c (avr_addr_t): New typedef.
3080         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3081         (avr_init_expanders): Initialize it.
3082         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3083         SREG_ADDR.
3084         (expand_epilogue): Ditto.
3085         (avr_print_operand): Ditto.
3086         (avr_file_start): Ditto.
3087         (avr_emit_movmemhi): Ditto.
3088
3089 2012-02-08  Richard Guenther  <rguenther@suse.de>
3090
3091         PR tree-optimization/46886
3092         * tree-flow.h (do_while_loop_p): Declare.
3093         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3094         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3095
3096 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3097
3098         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3099         always succeed for integers larger than a native word.
3100
3101 2012-02-08  Richard Guenther  <rguenther@suse.de>
3102
3103         PR rtl-optimization/52170
3104         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3105         properly handle integer vector modes.
3106
3107 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3108
3109         PR gcov-profile/52150
3110         * coverage.c: Include target.h.
3111         (build_var): Call targetm.strip_name_encoding on the assembler name.
3112         Change one _ into . or $ if the target allows it.
3113         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3114
3115         PR rtl-optimization/52139
3116         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3117         is a BARRIER after emit_insn_after_noloc, move BB_END
3118         to the last non-BARRIER insn before it.
3119
3120 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3121
3122         PR middle-end/24306
3123         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3124         (mips_gimplify_va_arg_expr): Call it instead of
3125         std_gimplify_va_arg_expr.
3126
3127 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3128
3129         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3130         message for -mno-pointers-to-nested-function.
3131
3132 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3133
3134         PR middle-end/51994
3135         * expr.c (get_inner_reference): If there is an offset, add a negative
3136         bit position to it (if any).
3137
3138 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3139
3140         PR rtl-optimization/52060
3141         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3142         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3143         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3144         and/or i0src_copy2 when needed.
3145
3146 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3147
3148         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3149         or LTOPLUGINSONAME if have_c.
3150
3151         * config/freebsd-spec.h: Add comment about what macros can be defined
3152         in this header.
3153         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3154         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3155         here instead.
3156
3157 2012-02-07  Richard Guenther  <rguenther@suse.de>
3158
3159         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3160         newline in -alias dumps.
3161
3162 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3163             Dave Korn  <dave.korn.cygwin@gmail.com>
3164
3165         PR target/40068
3166         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3167         Take care that typinfo gets dllexport-attribute.
3168
3169 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3170
3171         PR middle-end/52074
3172         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3173         if modifier < EXPAND_SUM call force_operand on the result.
3174
3175 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3176
3177         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3178         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3179         present.
3180         (epiphany_function_type): Replace types for specific interrupts with
3181         EPIPHANY_FUNCTION_INTERRUPT.
3182         (EPIPHANY_INTERRUPT_P): Update.
3183         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3184         New static function.
3185         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3186         <disinterrupt>: Affects type identity.
3187         (epiphany_handle_interrupt_attribute): Handle variable number of
3188         arguments.
3189         (epiphany_compute_function_type): Update for new
3190         epiphany_function_type definition.
3191         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3192         handlers with a longcall forwarder.
3193         (epiphany_start_function): Handle multiple interrupt arguments and/or
3194         forwarder_section attribute.
3195
3196         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3197         libgloss.
3198
3199 2012-02-07  Alan Modra  <amodra@gmail.com>
3200
3201         PR target/52107
3202         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3203         subregs of TFmode.
3204
3205 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3206
3207         PR tree-optimization/50969
3208         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3209         use vec_perm rather than vector_stmt.
3210         (vect_model_load_cost): Likewise.
3211         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3212         vec_perm to be the same as other vector statements.
3213         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3214         cost of vec_perm for TARGET_VSX.
3215
3216 2012-02-06  Richard Guenther  <rguenther@suse.de>
3217
3218         PR tree-optimization/52115
3219         * tree-sra.c (access_has_replacements_p): New function.
3220         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3221
3222 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3223
3224         PR middle-end/52047
3225         * trans-mem.c (expand_call_tm): Add an assertion.
3226         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3227         functions.
3228
3229 2012-02-06  Richard Guenther  <rguenther@suse.de>
3230
3231         PR tree-optimization/50955
3232         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3233         raise cost of expressions that replace an address with an
3234         expression based on a different pointer.
3235
3236 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3237
3238         PR target/52129
3239         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3240         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3241
3242 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3243
3244         PR c++/48680
3245         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3246         -Weffc++ and specify guidelines come from second edition.
3247
3248 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3249
3250         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3251         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3252         (call_direct_split, call_value_split, call_value_internal_direct)
3253         (call_value_direct_split, call_value_multiple_split): Use jal and
3254         jal_macro attributes.
3255
3256 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3257
3258         * reload1.c (reload_regs_reach_end_p): Replace with...
3259         (reload_reg_rtx_reaches_end_p): ...this function.
3260         (new_spill_reg_store): Update commentary.
3261         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3262         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3263         before setting new_spill_reg_store.
3264         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3265         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3266         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3267         for non-spill reload registers.
3268
3269 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3270
3271         PR tree-optimization/52091
3272         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3273         (vect_is_simple_use_1): Likewise.
3274         * tree-vect-loop.c (vectorizable_reduction): Update calls
3275         to vect_is_simple_use_1 and vect_is_simple_use.
3276         (vectorizable_live_operation): Likewise.
3277         * tree-vect-patterns.c (widened_name_p,
3278         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3279         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3280         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3281         vectorizable_shift,vectorizable_operation, vectorizable_store,
3282         vectorizable_load): Likewise.
3283         (vect_is_simple_cond): Add an argument, pass it to
3284         vect_is_simple_use_1.
3285         (vectorizable_condition): Update calls to vect_is_simple_cond,
3286         vect_is_simple_use.
3287         (vect_is_simple_use): Add an argument, the statement in which
3288         OPERAND is used.  Check that if OPERAND's def stmt is a double
3289         reduction phi node, the use is a phi node too.
3290         (vect_is_simple_use_1): Add an argument, pass it to
3291         vect_is_simple_use.
3292         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3293         to vect_is_simple_use.
3294
3295 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3296
3297         PR rtl-optimization/52095
3298         * modulo-sched.c (dump_insn_locator): New function.
3299         (loop_canon_p, sms_schedule): Use it.
3300
3301         PR rtl-optimization/52113
3302         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3303         even for decomposable shift/zext insns.
3304
3305 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3306             Zdenek Dvorak  <ook@ucw.cz>
3307
3308         PR rtl-optimization/52092
3309         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3310         on get_iv_value result.
3311
3312 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3313
3314         PR middle-end/47982
3315         PR middle-end/43967
3316         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3317
3318 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3319
3320         PR middle-end/48071
3321         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3322
3323 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3324
3325         PR rtl-optimization/49800
3326         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3327         (sched_finish): Call regstat_free_n_sets_and_refs.
3328
3329 2012-02-02  Jia Liu  <proljc@gmail.com>
3330
3331         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3332         than operand 2.
3333
3334 2012-02-02  Jan Hubicka  <jh@suse.cz>
3335             Tom de Vries  <tom@codesourcery.com>
3336
3337         PR middle-end/51998
3338         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3339         * varpool.c (varpool_analyze_pending_decls): Likewise.
3340
3341 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3342             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3343
3344         * config.gcc: Add cr16-* support.
3345
3346         * doc/extend.texi: Document cr16 extensions.
3347         * doc/install.texi: Document cr16 install.
3348         * doc/invoke.texi: Document cr16 options.
3349         * doc/md.texi: Document cr16 constraints.
3350
3351         * common/config/cr16/cr16-common.c: New file.
3352         * config/cr16/cr16.c: New file.
3353         * config/cr16/cr16.h: New file.
3354         * config/cr16/cr16.md: New file.
3355         * config/cr16/cr16.opt: New file.
3356         * config/cr16/cr16-protos.h: New file.
3357         * config/cr16/predicates.md: New file.
3358         * config/cr16/constraints.md: New file.
3359         * config/cr16/t-cr16: New file.
3360
3361 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3362
3363         PR target/52086
3364         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3365         that operands[2] is either immediate, or q_regs_operand.
3366
3367         PR tree-optimization/52073
3368         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3369         a pattern stmt for pattern uses, ignore uses outside of the loop.
3370
3371 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3372
3373         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3374         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3375         (OUT_AS1, OUT_AS2): Remove.
3376
3377 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3378
3379         PR rtl-optimization/51374
3380         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3381         to cross other volatile_refs_p insns.
3382
3383 2012-02-01  Richard Guenther  <rguenther@suse.de>
3384
3385         * doc/invoke.texi (fno-inline): Clarify documentation.
3386         (finline-small-functions): Likewise.
3387         (finline-functions): Likewise.
3388         * common.opt (finline): Adjust comment and documentation.
3389         (finline-small-functions): Clarify documentation.
3390         (finline-functions): Likewise.
3391         (finline-functions-called-once): Likewise.
3392
3393 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3394
3395         * c-typeck.c (composite_type): Keep mode for pointers.
3396
3397 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3398
3399         * function.h (regno_reg_rtx): Adjust comment.
3400         * reginfo.c (init_reg_modes_target): Only use the previous mode
3401         if it fits within one register.  Remove MIPS comment.
3402
3403 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3404
3405         PR bootstrap/52058
3406         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3407
3408 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3409
3410         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3411         to srak instruction.
3412
3413 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3414
3415         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3416
3417 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3418
3419         PR bootstrap/52041
3420         PR bootstrap/52039
3421         PR target/51974
3422         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3423
3424 2012-01-31  Richard Guenther  <rguenther@suse.de>
3425
3426         PR tree-optimization/51528
3427         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3428         assigns.
3429
3430 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3431
3432         PR bootstrap/52041
3433         PR bootstrap/52039
3434         PR target/51974
3435         * ree.c (add_removable_extension): Change def_map argument
3436         to unsigned *, store in def_map 1 + offset into *insn_list vector
3437         instead of pointers into the vector.
3438         (find_removable_extensions): Adjust caller.
3439
3440 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3441
3442         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3443         Transform all "* quoted-c-code" to { c-code }.
3444         Remove redundant test for "optimize" in combine patterns.
3445         Move (include "avr-dimode.md") to end of file.
3446
3447 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3448
3449         PR target/51835
3450         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3451         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3452
3453 2012-01-30  Richard Guenther  <rguenther@suse.de>
3454
3455         PR tree-optimization/52028
3456         * tree-loop-distribution.c (ldist_gen): Properly update
3457         virtual SSA form.
3458
3459 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3460
3461         PR debug/52027
3462         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3463         set_cur_line_info_table if not emitting debug info.
3464
3465         PR tree-optimization/52046
3466         * tree-vect-patterns.c (check_bool_pattern): Give up if
3467         a comparison could throw.
3468
3469         PR debug/52048
3470         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3471
3472 2012-01-30  Richard Guenther  <rguenther@suse.de>
3473
3474         PR tree-optimization/52045
3475         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3476         SSA form if cfgcleanup did anything.
3477
3478 2012-01-30  Richard Guenther  <rguenther@suse.de>
3479
3480         PR tree-optimization/52045
3481         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3482         before computing final todo.
3483
3484 2012-01-30  Richard Guenther  <rguenther@suse.de>
3485
3486         PR tree-optimization/51528
3487         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3488         for PR51528 fix.
3489
3490 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3491
3492         * df-problems.c (df_kill_notes): Check that the use refers
3493         to the note under examination.
3494
3495 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3496
3497         PR target/51920
3498         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3499         parameter and use short-lived pseudos.
3500         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3501         (sparc_expand_vector_init): Const-ify local variables and adjust
3502         calls to above functions.
3503
3504 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3505
3506         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3507
3508 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3509
3510         * doc/invoke.texi: Make usage of "compile time" and
3511         "run time"/"runtime" consistent throughout the file.
3512
3513 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3514
3515         * config/alpha/alpha.c (alpha_option_override): Default to
3516         full IEEE compliance mode for Go language.
3517
3518 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3519
3520         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3521         (LINK_SSP_SPEC): Define.
3522
3523 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3524
3525         PR target/51871
3526         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3527         stubs.
3528
3529 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3530
3531         * doc/invoke.texi: Correct hyphenation of "floating point",
3532         "double precision", and related terminology throughout the file.
3533
3534 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3535
3536         PR target/52006
3537         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3538         arm_general_register_operand predicate for operand 2 instead of
3539         register_operand.