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* config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.
4
5 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
6
7         * tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
8         defining statement is a SSA name that occurs in abnormal PHIs.
9
10 2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>
11
12         * gimple-fold.c (canonicalize_constructor_val): Strip only useless type
13         conversions.
14
15 2012-07-19  Richard Guenther  <rguenther@suse.de>
16             Eric Botcazou  <ebotcazou@adacore.com>
17
18         * tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
19         about transition from invariant to known bits.
20         (likely_value): Addresses with UNDEFINED components are UNDEFINED.
21
22 2012-07-19  Jakub Jelinek  <jakub@redhat.com>
23
24         PR middle-end/54017
25         * tree-cfgcleanup.c (cleanup_omp_return): Remove.
26         (cleanup_tree_cfg_bb): Don't call it.
27         * omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
28         handling.
29
30 2012-07-19  Christian Bruel  <christian.bruel@st.com>
31
32         PR target/54029
33         * config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.
34
35 2012-07-18  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
36
37        * config.gcc (v850-*-rtems*): New target.
38        * config/v850/rtems.h: New.
39        * config/v850/t-rtems: New.
40
41 2012-07-18  Nick Clifton  <nickc@redhat.com>
42
43         * doc/invoke.texi (ARM Options): Document -munaligned-access.
44
45 2012-07-15  Uros Bizjak  <ubizjak@gmail.com>
46
47         PR target/53961
48
49         Backport from mainline
50         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
51
52         PR target/53110
53         * config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
54         instead expand it as zero extension.
55
56 2012-07-14  Uros Bizjak  <ubizjak@gmail.com>
57
58         * config/i386/i386.md (QImode and HImode cmove splitters): Merge
59         QImode and HImode splitters.  Use ix86_comparison_operator.
60         Explicitly match FLAGS_REG.
61         (DFmode cmove splitter): Explicitly match FLAGS_REG.
62
63 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
64             Steven Bosscher  <steven@gcc.gnu.org>
65             Bernd Schmidt  <bernds@codesourcery.com>
66
67         PR rtl-optimization/53908
68         * df-problems.c (can_move_insns_across): When doing
69         memory-reference book-keeping, handle call insns.
70
71 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
72
73         Backport from mainline
74         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
75
76         PR target/53811
77         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
78         sibcall_insn_operand.  Move it to a temporary register if not.
79
80         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
81
82         PR target/53853
83         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
84         emit PIC sequence for fnaddr symbol reference in advance.
85
86 2012-07-09  Jason Merrill  <jason@redhat.com>
87
88         PR c++/53882
89         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
90         (type_hash_eq): Likewise.
91
92         PR c++/53826
93         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
94
95 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
96
97         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
98         due to negative shift amount.
99
100 2012-07-06  Kai Tietz  <ktietz@redhat.com>
101
102         Backport from mainline.
103         PR bootstrap/52947
104         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
105         as "/mingw/include".
106
107 2012-07-06  Nick Clifton  <nickc@redhat.com>
108
109         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
110         default_encode_section_info.
111
112 2012-07-06  Richard Guenther  <rguenther@suse.de>
113
114         Backport from mainline
115         2012-03-30  Richard Guenther  <rguenther@suse.de>
116
117         PR middle-end/52786
118         * double-int.c (rshift_double): Remove not needed cast.
119
120         2012-03-28  Richard Guenther  <rguenther@suse.de>
121
122         PR middle-end/50708
123         * double-int.h (rshift_double): Remove.
124         * double-int.c (lshift_double): Use absu_hwi to make count
125         positive.
126         (rshift_double): Make static, take unsigned count argument,
127         remove handling of negative count argument.
128         (double_int_rshift): Dispatch to lshift_double.
129
130 2012-07-06  Richard Guenther  <rguenther@suse.de>
131
132         Backport from mainline
133         2012-06-18  Richard Guenther  <rguenther@suse.de>
134
135         PR tree-optimization/53693
136         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
137         Reject operands with more than one use.
138
139 2012-07-06  Richard Guenther  <rguenther@suse.de>
140
141         Backport from mainline
142         2012-04-11  Richard Guenther  <rguenther@suse.de>
143
144         PR middle-end/52621
145         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
146         consider loop nesting.
147         (evolution_function_is_univariate_p): Properly check the remainder
148         for chrecs.
149
150 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
151
152         Backport from mainline
153         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
154
155         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
156         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
157         (adjacent_mem_locations): Move some code to and call...
158         (get_memref_parts): ...new function.
159         (mem_locations_overlap): New function.
160         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
161         (is_mem_ref): Rename to...
162         (find_mem_ref): ...this. Return MEM rtx.
163         (get_store_dest): Remove function.
164         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
165         new parameter and adjust calls.
166         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
167         mem refs overlap for true_store_to_load_dep_costly.
168         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
169         passed to adjacent_mem_locations.
170         (is_costly_group): Walk resolved dependency list.
171         (force_new_group): Emit group ending nop for Power6/Power7.
172         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
173         (group_ending_nop): New define_insn.
174
175 2012-07-04  Richard Guenther  <rguenther@suse.de>
176
177         PR middle-end/53433
178         * gimple-fold.c (get_base_constructor): Do not return an
179         error_mark_node DECL_INITIAL.
180
181 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
182
183         Backport from mainline
184         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
185
186         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
187         code model string in the error message.
188
189 2012-07-04  Tristan Gingold  <gingold@adacore.com>
190
191         Backport from mainline.
192         2012-06-25  Tristan Gingold  <gingold@adacore.com>
193
194         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
195         (seh_cfa_adjust_cfa): ... that function.
196         (seh_emit_stackalloc): Do not emit out of range values.
197         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
198         UNSPEC_DEF_CFA constants.
199         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
200         * config/i386/i386.c (ix86_frame_pointer_required): Required
201         for very large frames on SEH target.
202         (ix86_compute_frame_layout): Save area is before frame pointer
203         on SEH target.  Handle very large frames.
204         (ix86_expand_prologue): Likewise.
205
206 2012-07-04  Richard Guenther  <rguenther@suse.de>
207
208         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
209         as in free_lang_data_in_type.
210
211 2012-07-02  Martin Jambor  <mjambor@suse.cz>
212
213         Backport from mainline.
214         2012-07-02  Martin Jambor  <mjambor@suse.cz>
215
216         PR middle-end/38474
217         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
218         dynamic type change check.
219
220 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
221
222         * tree-eh.c (lower_try_finally_switch): Really put the location of the
223         last statement of the finally block onto the switch.
224
225 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
226
227         * configure: Regenerate.
228
229         Backport from mainline.
230         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
231
232         * config.gcc (target_type_format_char): New. Document it. Set it for
233         arm*-*-* .
234         * configure.ac (gnu_unique_option): Use target_type_format_char
235         in test.  Comment rationale.
236
237 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
238
239         Backport from mainline.
240         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
241
242         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
243
244 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
245
246         Backport from 2012-06-28 mainline r189049
247
248         PR 53595
249         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
250         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
251         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
252         avr_hard_regno_call_part_clobbered.
253
254 2012-06-28  Richard Guenther  <rguenther@suse.de>
255
256         PR middle-end/53790
257         * expr.c (expand_expr_real_1): Verify if the type is complete
258         before inspecting its size.
259
260 2012-06-27  Nick Clifton  <nickc@redhat.com>
261
262         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
263         input operand.
264
265 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
266
267         PR debug/53682
268         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
269
270 2012-06-26  Nick Clifton  <nickc@redhat.com>
271
272         * config/rx/rx.md (simple_return): Use the simple_return rtx.
273
274 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
275
276         PR target/53759
277         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
278         of x x x in the vmovlps load alternative.
279
280 2012-06-22  Richard Guenther  <rguenther@suse.de>
281
282         * gcov-iov.c: Include bconfig.h and system.h.
283
284 2012-06-22  Richard Guenther  <rguenther@suse.de>
285
286         PR gcov-profile/53744
287         * gcov-iov.c (main): Treat "" and "prerelease" the same.
288
289 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
290
291         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
292         DECL_IGNORED_P non-reg vars even if they are used.
293
294 2012-06-19  Jason Merrill  <jason@redhat.com>
295
296         PR c++/52637
297         * dwarf2out.c (modified_type_die): Use scope_die_for.
298         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
299         (uses_local_type_r, uses_local_type): New.
300         (scope_die_for): Keep a type that uses a local type in local scope.
301         Use get_context_die for namespace and type scope.
302
303 2012-06-19  Richard Guenther  <rguenther@suse.de>
304
305         PR middle-end/53470
306         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
307         replace it with the first non-BLOCK context.
308
309 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
310
311         PR rtl-optimization/53700
312
313         Backport from mainline
314         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
315
316         * ira-color.c (setup_left_conflict_sizes_p): Process all
317         conflicting objects.
318
319 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
320
321         Backport from mainline
322         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
323
324         PR target/52908
325         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
326         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
327         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
328         instead of xop_mulv2div2di3_low.
329         (xop_p<macs>dql): Fix vec_select selector.
330         (xop_p<macs>dqh): Ditto.
331         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
332         (xop_mulv2div2di3_high): Ditto.
333
334 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
335
336         Backport from mainline:
337         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
338
339         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
340
341 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
342
343         Backport from mainline:
344         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
345
346         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
347         * config/pa/pa.c (pa_attr_length_millicode_call): Use
348         MAX_PCREL17F_OFFSET instead of fixed offset.
349         (pa_attr_length_call): Likewise.
350         (pa_attr_length_indirect_call): Likewise.
351
352 2012-06-15  Walter Lee  <walt@tilera.com>
353
354         Backport from mainline:
355         2012-06-15  Walter Lee  <walt@tilera.com>
356
357         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
358
359         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
360
361         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
362
363 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
364
365         Backport from mainline:
366
367         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
368         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
369         * gimple.h (block_in_transaction): Check for flag_tm.
370
371 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
372
373         PR tree-optimization/52558
374
375         Backport from mainline:
376         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
377         * gimple.h (gimple_set_in_transaction): Remove.
378         (gimple_in_transaction): Look in BB instead.
379         (gimple_statement_base): Remove in_transaction field.
380         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
381         * trans-mem.c (compute_transaction_bits): Place transaction bit
382         information into basic blocks.
383
384         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
385
386         PR tree-optimization/52558
387         * cfg.c (alloc_aux_for_edge): Fix comment.
388         (alloc_aux_for_edge): Remove static.
389         * basic-block.h (alloc_aux_for_edge): Protoize.
390         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
391         (execute_sm_if_changed_flag): New.
392         (execute_sm_if_changed_flag_set): New.
393         (execute_sm): Do not generate data races unless requested.
394         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
395         (tree_ssa_lim_finalize): Call free_aux_for_edges.
396         * gimple.h (block_in_transaction): New.
397         (gimple_in_transaction): Use block_in_transaction.
398
399 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
400
401         Backported from mainline
402         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
403
404         PR rtl-optimization/53589
405         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
406         discovery even when e->dest != target.  If any LABEL_REF points
407         to e->dest label, redirect it to target's label.
408
409         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
410
411         PR middle-end/53580
412         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
413         returns false, replace stmt with GIMPLE_NOP.
414         (check_omp_nesting_restrictions): Instead of issuing warnings,
415         issue errors and return false if any errors were reported.
416
417 2012-06-14  Richard Guenther  <rguenther@suse.de>
418
419         * BASE-VER: Set to 4.7.2.
420         * DEV-PHASE: Set to prerelease.
421
422 2012-06-12  Christian Bruel  <christian.bruel@st.com>
423
424         PR target/53621
425         * config/sh/sh.c (sh_option_override): Don't force
426          flag_omit_frame_pointer and maccumulate_outgoing_args.
427         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
428
429 2012-06-14  Release Manager
430
431         * GCC 4.7.1 released.
432
433 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
434
435         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
436
437 2012-06-13  Richard Henderson  <rth@redhat.com>
438
439         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
440         iterator instead of INT.
441
442 2012-06-08  Richard Henderson  <rth@redhat.com>
443
444         PR c++/53602
445         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
446         note to a clobber insn when no other insn is available.
447
448 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
449
450         PR c++/53524
451         * doc/invoke.texi (Wenum-compare): Update documentation.
452
453 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
454
455         PR target/53559
456         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
457         operands.
458         (altivec_stvlxl): Ditto.
459         (altivec_stvrx): Ditto.
460         (altivec_stvrxl): Ditto.
461
462 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
463
464         PR middle-end/47530
465         * trans-mem.c (expand_block_edges): Do not skip the first
466         statement when resetting the BB.
467
468 2012-06-04  Richard Guenther  <rguenther@suse.de>
469
470         PR middle-end/53471
471         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
472         create new assembler names.
473
474 2012-06-04  Richard Guenther  <rguenther@suse.de>
475
476         Backport from mainline
477         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
478
479         PR middle-end/52979
480         * stor-layout.c (get_best_mode): Don't return mode with bitsize
481         larger than maxbits.  Don't compute maxbits modulo align.
482         Also check that unit bytes long store at bitpos / unit * unit
483         doesn't affect bits beyond bitregion_end.
484         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
485         would not fit into bitregion_start ... bitregion_end + 1 bit
486         region.
487         (store_split_bit_field): Decrease unit close to end of bitregion_end
488         if access is restricted in order to avoid mutual recursion.
489
490 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
491
492         Backport from 2012-06-04 mainline r188172
493
494         PR target/46261
495         * config/avr/avr-stdint.h: New file.
496         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
497         newlib-stdint.h
498
499 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
500
501         PR tree-optimization/53550
502         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
503         is POINTER_TYPE_P, use sizetype as step type instead of type.
504
505 2012-06-04  Richard Guenther  <rguenther@suse.de>
506             Eric Botcazou  <ebotcazou@adacore.com>
507
508         Backport from mainline
509         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
510
511         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
512         Change type of BITOFFSET to signed.  Make sure the lower bound of
513         the computed range is non-negative by adjusting OFFSET and BITPOS.
514         (expand_assignment): Adjust call to get_bit_range.
515
516         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
517
518         * expr.c (get_bit_range): Return the null range if the enclosing record
519         is part of a larger bit field.
520
521         2012-03-20  Richard Guenther  <rguenther@suse.de>
522
523         * stor-layout.c (finish_bitfield_representative): Fallback
524         to conservative maximum size if the padding up to the next
525         field cannot be computed as a constant.
526         (finish_bitfield_layout): If we cannot compute the distance
527         between the start of the bitfield representative and the
528         bitfield member start a new representative.
529         * expr.c (get_bit_range): The distance between the start of
530         the bitfield representative and the bitfield member is zero
531         if the field offsets are not constants.
532
533         2012-03-16  Richard Guenther  <rguenther@suse.de>
534
535         * stor-layout.c (finish_bitfield_representative): Fall back
536         to the conservative maximum size if we cannot compute the
537         size of the tail padding.
538
539         2012-03-14  Richard Guenther  <rguenther@suse.de>
540
541         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
542         * stor-layout.c (start_bitfield_representative): New function.
543         (finish_bitfield_representative): Likewise.
544         (finish_bitfield_layout): Likewise.
545         (finish_record_layout): Call finish_bitfield_layout.
546         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
547         for QUAL_UNION_TYPE fields.
548         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
549         Stream DECL_BIT_FIELD_REPRESENTATIVE.
550         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
551
552         PR middle-end/52080
553         PR middle-end/52097
554         PR middle-end/48124
555         * expr.c (get_bit_range): Unconditionally extract bitrange
556         from DECL_BIT_FIELD_REPRESENTATIVE.
557         (expand_assignment): Adjust call to get_bit_range.
558
559 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
560
561         PR middle-end/53501
562         * fold-const.c (fold_binary_loc): Refine previous change.
563
564 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
565
566         Backport from mainline
567         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
568
569         PR target/52667
570         * config/sh/sh.c (find_barrier): Add equality check of last_got to
571         avoid going above orig insn.  Update comments.
572
573 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
574
575         Backport from mainline
576         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
577
578         PR target/52642
579         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
580         prologue for unwinder and profiler.
581
582 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
583
584         Backport from mainline
585         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
586
587         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
588
589 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
590
591         Backport from mainline
592         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
593
594         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
595         DBX_REGISTER_NUMBER.
596
597 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
598
599         Backport from mainline
600         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
601
602         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
603         operand is CONST_INT.  Take COSTS_N_INSNS into account.
604         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
605         shiftcosts.     
606
607 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
608
609         * config/avr/avr.opt (-msp8): Document it.
610         * doc/invoke.texi (AVR Options): Copy from trunk docu.
611
612 2012-05-31  Richard Guenther  <rguenther@suse.de>
613
614         PR middle-end/48493
615         * expr.c (expand_assignment): Do not use movmisalign on
616         non-memory.
617
618 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
619
620         PR target/52999
621         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
622         (pa_section_type_flags): New.
623         (pa_legitimate_constant_p): Revert previous change.
624
625 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
626
627         Backport from mainline
628         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
629
630         PR middle-end/53008
631         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
632         accessed indirectly.
633         (ipa_tm_create_version): Same.
634
635 2012-05-30  Jason Merrill  <jason@redhat.com>
636
637         PR c++/53220
638         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
639         about array compound literals.
640
641 2012-05-30  Richard Guenther  <rguenther@suse.de>
642
643         PR middle-end/53501
644         * fold-const.c (fold_binary_loc): Make sure to call
645         fold_plusminus_mult_expr with the original sign of operands.
646
647 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
648
649         * explow.c (probe_stack_range): Restore simple control flow and stop
650         again when the probe cannot be generated if HAVE_check_stack.
651
652 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
653
654         PR rtl-optimization/53519
655         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
656         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
657
658 2012-05-29  Richard Guenther  <rguenther@suse.de>
659
660         PR tree-optimization/53516
661         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
662         bitfield accesses.
663         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
664
665 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
666
667         Backport from mainline
668         2012-05-28  Richard Guenther  <rguenther@suse.de>
669
670         PR tree-optimization/53438
671         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
672
673 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
674
675         Backport from mainline
676         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
677
678         PR rtl-optimization/52528
679         * combine.c (can_combine_p): Add setting of subst_low_luid
680         before call to expand_field_assignment().
681
682 2012-05-26  Martin Jambor  <mjambor@suse.cz>
683
684         Backport from mainline
685         2012-05-23  Martin Jambor  <mjambor@suse.cz>
686
687         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
688
689 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
690
691         PR lto/52178
692         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
693         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
694
695 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
696
697         PR target/53435
698         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
699         (ix86_expand_vec_perm): Use int mode instead of float.
700
701 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
702
703         PR ada/52362
704         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
705         gnu_ld variables to yes.
706         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
707         (HAVE_GNU_AS): Likewise.
708         * config.in: Regenerate.
709         * configure: Likewise.
710
711 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
712
713         Backport from mainline
714         2012-03-12  Richard Guenther  <rguenther@suse.de>
715         * config/arm/arm.c (neon_dereference_pointer): Do not call
716         covert during RTL expansion.
717
718 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
719
720         Backport from mainline
721         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
722
723         PR target/53385
724         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
725         relied on signed overflow behavior.
726
727 2012-05-24  Richard Guenther  <rguenther@suse.de>
728
729         PR middle-end/53460
730         * tree-profile.c (tree_profiling): Cleanup the CFG if
731         execute_fixup_cfg requests it.
732
733 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
734
735         PR tree-optimization/53465
736         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
737         vr0 into *vr, then vrp_meet that.
738         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
739         have any equivalences.
740         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
741         first time.
742
743 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
744
745         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
746         size handling.
747         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
748         (iterative_hash_gimple_type): Adjust comment.
749         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
750         domain for an array type instead of the domain type itself.
751
752 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
753
754         Backport from 2012-05-23 mainline r187803
755
756         PR target/53448
757         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
758         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
759         ASM_OUTPUT_ALIGN.
760
761 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
762
763         Backport from 2012-05-03 mainline r187075
764
765         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
766         has_fma4 for AMD processors with both fma3 and fma4 support.
767
768 2012-05-22  Richard Guenther  <rguenther@suse.de>
769
770         PR tree-optimization/53408
771         * tree-vect-loop.c (vectorizable_induction): Properly check
772         the restriction that we cannot handle induction results from
773         the inner loop outside of the outer loop.
774
775 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
776
777         PR tree-optimization/53436
778         * omp-low.c (omp_build_component_ref): New function.
779         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
780
781         PR tree-optimization/53366
782         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
783         tests if complex_numbers == 2, but there are non-complex number loads
784         too.
785
786         PR tree-optimization/53409
787         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
788         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
789
790         PR tree-optimization/53410
791         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
792         instead of build_int_cst (type, 0) where vector types might be
793         involved.
794
795 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
796
797         PR c/53418
798         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
799         from folded operands before wrapping another around the
800         conditional expression.
801
802 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
803             Patrick Marlier  <patrick.marlier@gmail.com>
804
805         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
806         indirect calls.
807
808 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
809
810         Backport from mainline
811         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
812
813         PR target/53416
814         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
815         (UNSPECV_RDRAND): This.
816         (rdrand<mode>_1): Updated.
817
818 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
819
820         Backport from mainline
821         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
822
823         * config/i386/driver-i386.c (host_detect_local_cpu): Support
824         RDRND, F16C and FSGSBASE.
825
826 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
827
828         Backport from mainline
829         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
830
831         * tree-ssa-pre.c (can_value_number_call): Delete.
832         (compute_avail): Skip all statements with side effects.
833         <GIMPLE_CALL>: Skip calls to internal functions.
834
835 2012-05-18  David S. Miller  <davem@davemloft.net>
836
837         Backport r185385 from mainline
838         2012-03-14  Richard Guenther  <rguenther@suse.de>
839
840         PR middle-end/52584
841         * tree-vect-generic.c (type_for_widest_vector_mode): Take
842         element type instead of mode, use build_vector_type_for_mode
843         instead of the langhook, build a vector of proper signedness.
844         (expand_vector_operations_1): Adjust.
845
846 2012-05-18  Olivier Hainque  <hainque@adacore.com>
847
848         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
849         $(libsubdir) as libexecsubdir.
850
851 2012-05-16  Andrew Pinski  <apinski@cavium.com>
852
853         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
854         GIMPLE_ASSIGN.
855
856 2012-05-16  David S. Miller  <davem@davemloft.net>
857
858         * jump.c (delete_related_insns): If we remove a CALL, make sure
859         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
860
861 2012-05-16  Richard Henderson  <rth@redhat.com>
862
863         PR debug/52727
864         * combine-stack-adj.c (prev_active_insn_bb): New.
865         (next_active_insn_bb): New.
866         (force_move_args_size_note): New.
867         (combine_stack_adjustments_for_block): Use it.
868
869 2012-05-16  Olivier Hainque  <hainque@adacore.com>
870
871         * Makefile.in (install-no-fixedincludes): New target, former toplevel
872         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
873         Add comments and improve stamp preservation across the whole sequence.
874         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
875
876 2012-05-16  Richard Guenther  <rguenther@suse.de>
877
878         PR tree-optimization/53364
879         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
880         detect a view-conversion of the decl.
881
882 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
883
884         PR target/53358
885         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
886         that operands[2] is either immediate, or q_regs_operand.
887
888 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
889
890         Backport r187139 from mainline.
891         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
892
893         PR rtl-optimization/52804
894         * reload1.c (reload_reg_reaches_end_p): Check whether successor
895         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
896         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
897         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
898         RELOAD_FOR_OUTADDR_ADDRESS.
899
900 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
901
902         PR target/46098
903         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
904         generate target register for "load" class builtins.
905
906         Revert:
907         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
908
909         PR target/46098
910         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
911         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
912         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
913         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
914         (<sse>_movu<ssemodesuffix>): New expander.
915         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
916         (avx_movdqu<avxmodesuffix>): New expander.
917         (*sse2_movdqu): Rename from sse2_movdqu.
918         (sse2_movdqu): New expander.
919
920 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
921
922         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
923         lineno 1 the same as lineno 0 before first start file directive.
924         (optimize_macinfo_range): Likewise.
925
926         * dwarf2out.c (have_macinfo): Define.
927         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
928         attribute, don't force empty compilation unit and don't emit any
929         .debug_macinfo/.debug_macro section if macinfo_table is empty.
930
931 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
932
933         Backport from mainline
934         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
935
936         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
937         ORDERED and UNORDERED conditions.
938
939 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
940
941         * function.c (requires_stack_frame_p): If the function can throw
942         non-call exceptions, return true if the insn can throw internally.
943
944 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
945
946         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
947         DECL_ORIGINAL_TYPE if it is present.
948
949 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
950
951         Backport from 2012-05-12 mainline r187342.
952
953         PR target/53256
954         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
955         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
956         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
957         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
958         (expand_prologue): Move initialization of cfun->machine->is_naked,
959         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
960         (avr_set_current_function): ...this new static function.
961         (TARGET_SET_CURRENT_FUNCTION): New define.
962         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
963         checking attributes of current_function_decl.
964         (avr_regs_to_save): Ditto.
965         (signal_function_p): Rename to avr_signal_function_p.
966         (interrupt_function_p): Rename to avr_interrupt_function_p.
967
968         * doc/extend.texi (Function Attributes): Better explanation of
969         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
970         alphabetical order.
971
972 2012-05-09  Matthias Klose  <doko@ubuntu.com>
973
974         * gcc-ar.c (main): Don't check for execute bits for the plugin.
975
976 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
977
978         PR target/53272
979         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
980         when a constant source operand matches an "I" constraint, the "no
981         CC0 change" applies to a register-destination only, not a
982         strict_low_part-destination.
983
984 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
985
986         Backport from mainline:
987         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
988
989         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
990
991 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
992
993         PR tree-optimization/53239
994         * tree-vrp.c (get_value_range): Set VR of
995         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
996         to nonnull.
997
998 2012-05-07  Richard Guenther  <rguenther@suse.de>
999
1000         PR tree-optimization/53195
1001         * tree-inline.c (setup_one_parameter): Properly add referenced
1002         vars from the parameters new known value.
1003
1004 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1005
1006         Backport from mainline:
1007         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1008
1009         PR target/52999
1010         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
1011         in constant pool.
1012
1013 2012-05-04  Ian Lance Taylor  <iant@google.com>
1014
1015         * tree-vect-patterns.c (vect_single_imm_use): Correct return
1016         values from false to NULL.
1017
1018 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1019
1020         Backport from mainline
1021         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
1022
1023         PR target/53228
1024         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
1025         (TARGET_CMOV): Rename from TARGET_CMOVE.
1026         (TARGET_CMOVE): New define.
1027         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
1028         Do not set TARGET_CMOVE here.
1029
1030 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1031
1032         Backport from mainline:
1033
1034         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1035
1036         PR tree-optimization/52633
1037         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
1038         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
1039         (vect_recog_over_widening_pattern): Remove handling of code that was
1040         already detected as over-widening pattern.  Remove special handling
1041         of "unsigned" cases.  Instead, support general case of conversion
1042         of the shift result to another type.
1043
1044         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
1045
1046         * tree-vect-patterns.c (vect_single_imm_use): New function.
1047         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
1048         (vect_recog_over_widening_pattern): Likewise.
1049         (vect_recog_widen_shift_pattern): Likewise.
1050
1051         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
1052
1053         PR tree-optimization/52870
1054         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
1055         presumed pattern statement is within the same loop or basic block.
1056
1057 2012-05-04  Richard Guenther  <rguenther@suse.de>
1058
1059         * common.opt (flto-report): Do not mark as Optimization.
1060
1061 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
1062
1063         PR target/48496
1064         * recog.c (constrain_operands): If extra constraints are present, also
1065         accept pseudo-registers with equivalent memory locations during reload.
1066
1067 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1068
1069         Backport from the mainline
1070         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1071
1072         PR target/53199
1073         * config/rs6000/rs6000.md (bswapdi splitters): If
1074         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1075         default) is used, generate an alternate sequence that does not
1076         depend on using indexed addressing.
1077
1078 2012-05-03  David S. Miller  <davem@davemloft.net>
1079
1080         PR target/52684
1081         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1082         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1083         (sparc_emit_float_lib_cmp): Likewise.
1084
1085 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1086
1087         Backport from mainline
1088         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1089
1090         PR lto/52605
1091         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1092         of a variable when the contect is a function.
1093
1094 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1095
1096         PR plugins/53126
1097         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1098         append program name to it and pass that as first argument
1099         to make_relative_prefix.  Always pass standard_libexec_prefix
1100         as last argument to make_relative_prefix.  If
1101         make_relative_prefix returns NULL, fall back to
1102         standard_libexec_prefix.
1103
1104         PR debug/53174
1105         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1106         removed.
1107
1108         PR target/53187
1109         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1110         mode, return that mode.
1111
1112 2012-05-03  Richard Guenther  <rguenther@suse.de>
1113
1114         PR tree-optimization/53144
1115         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1116         Rename to ...
1117         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1118         with SSA name values.
1119         (vn_reference_lookup_3): Adjust callers.
1120
1121 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR tree-optimization/53163
1124         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1125         return value from compute_all_dependences.
1126
1127         PR rtl-optimization/53160
1128         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1129         has been modified by ree pass already.
1130
1131 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1132
1133         Backport from mainline
1134         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1135
1136         PR middle-end/53136
1137         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1138         calls to cgraph_node_name in xstrdup.
1139         (ipa_make_edge_direct_to_target): Ditto.
1140         * tree-sra.c (convert_callers_for_node): Ditto.
1141         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1142         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1143         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1144         (cgraph_materialize_all_clones): Ditto.
1145         * ipa-inline.c (report_inline_failed_reason): Ditto.
1146         (want_early_inline_function_p): Ditto.
1147         (edge_badness): Ditto.
1148         (update_edge_key): Ditto.
1149         (flatten_function): Ditto.
1150         (ipa_inline): Ditto.
1151         (inline_always_inline_functions): Ditto.
1152         (early_inline_small_functions): Ditto.
1153
1154 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1155
1156         Backport from mainline
1157         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1158
1159         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1160         Introduce emul_name to select the right linker emulation for
1161         powerpc64-*-freebsd*.
1162         * configure: Regenerate.
1163         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1164         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1165         * config/rs6000/freebsd64.h: New file.
1166         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1167         POWERPC_FREEBSD.
1168         (rs6000_savres_strategy): Likewise.
1169         (rs6000_savres_routine_name): Likewise.
1170         (rs6000_elf_file_end): Likewise.
1171         * config/rs6000/t-freebsd64: New file.
1172         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1173         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1174
1175 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1176
1177         Backport from mainline
1178         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1179
1180         PR target/53138
1181         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1182
1183 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1184
1185         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1186         predicate to discriminate types.
1187
1188 2012-04-27  Richard Guenther  <rguenther@suse.de>
1189
1190         PR c/51527
1191         * convert.c (convert_to_integer): Avoid infinite recursion for
1192         target-defined built-in types.
1193
1194 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1195
1196         PR target/53120
1197         * config/cris/cris.md ("*andhi_lowpart_v32")
1198         ("*andqi_lowpart_v32"): Change first input-only operand from
1199         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1200         const_int-matching constraints for redundancy.
1201         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1202         three-operand alternative.
1203
1204 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1205
1206         Backport from mainline
1207         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1208
1209         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1210         (*addsi_2_zext): Ditto.
1211         (*add<mode>_3): Ditto.
1212         (*addsi_3_zext): Ditto.
1213         (*add<mode>_5): Ditto.
1214
1215 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1216
1217         PR c/52880
1218         * c-typeck.c (set_nonincremental_init,
1219         set_nonincremental_init_from_string): Pass true instead of false
1220         as IMPLICIT to add_pending_init.
1221
1222 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1223
1224         Backport from 2012-04-24 mainline r186768.
1225
1226         PR target/53065
1227         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1228
1229 2012-04-24  Richard Guenther  <rguenther@suse.de>
1230
1231         PR tree-optimization/53085
1232         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1233         stores.
1234
1235 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1236
1237         PR middle-end/53084
1238         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1239         of MEM_REF.
1240         (output_addressed_constants): Likewise.
1241
1242         PR middle-end/52999
1243         * varasm.c (get_section): Don't ICE for section conflicts with
1244         built-in section kinds.
1245
1246 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1247
1248         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1249
1250 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1251
1252         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1253
1254 2012-04-23  Richard Guenther  <rguenther@suse.de>
1255
1256         PR c/53060
1257         * c-typeck.c (build_binary_op): Fix typo.
1258
1259 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1260
1261         PR tree-optimizations/52891
1262         * tree-vect-patterns.c (adjust_bool_pattern): Use
1263         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1264         but with non-standard precision.
1265
1266 2012-04-22  Ian Lance Taylor  <iant@google.com>
1267
1268         * godump.c (go_output_typedef): Dump size of structs.
1269
1270 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1271
1272         Backport from mainline:
1273
1274         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1275         hints for 'A' operand types.
1276
1277 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1278
1279         Backport from 2012-04-19 mainline r186588.
1280
1281         PR target/53033
1282         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1283         the case *(X+const).
1284
1285 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1286
1287         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1288
1289 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1290
1291         PR target/53020
1292         * config/i386/sync.md (atomic_<code><mode>): Rename to
1293         atomic_<logic><mode>.
1294
1295 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1296
1297         Backport from mainline
1298         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1299
1300         PR target/52932
1301         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1302         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1303         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1304         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1305         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1306         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1307         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1308         gen_avx2_permvarv8sf.
1309
1310 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1311
1312         Backported from mainline
1313
1314         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1315         PR middle-end/52939
1316
1317         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1318         fold_ctor_reference returns a zero constant.
1319
1320 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1321
1322         Backported from mainline
1323         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1324
1325         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1326         and __ILP32__ for x32.
1327
1328 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1329
1330         Backport from mainline r186418.
1331
1332         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1333
1334         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1335         parameters vuse and vuse_escaped.
1336         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1337         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1338         vuse1 != vuse2.
1339
1340 2012-04-13  Richard Guenther  <rguenther@suse.de>
1341
1342         PR tree-optimization/52969
1343         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1344         the condition for the COND_EXPR and handle predicate negation
1345         by swapping the COND_EXPR arms.
1346
1347 2012-04-13  Richard Guenther  <rguenther@suse.de>
1348
1349         PR c/52862
1350         * convert.c (convert_to_pointer): Remove special-casing of
1351         zero.
1352
1353 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1354
1355         Backport from mainline
1356         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1357
1358         PR target/52775
1359         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1360         the list of options to enable the FCFID instruction.
1361         (TARGET_EXTRA_BUILTINS): Adjust comment.
1362
1363 2012-04-12  Richard Guenther  <rguenther@suse.de>
1364
1365         PR tree-optimization/52943
1366         * tree-chrec.h (chrec_is_positive): Remove.
1367         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1368         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1369         Return false for a constant zero instead of negative.
1370         (analyze_siv_subscript_cst_affine): Handle zero difference
1371         in the initial condition explicitely.
1372
1373 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1374
1375         PR middle-end/52894
1376         * varasm.c (process_pending_assemble_externals): Set
1377         pending_assemble_externals_processed true.
1378         (assemble_external): Call assemble_external_real if the pending
1379         assemble externals have been processed.
1380
1381 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1382
1383         PR target/52717
1384         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1385         the DECL generated for the special GOT helper.
1386
1387 2012-04-06  Walter Lee  <walt@tilera.com>
1388
1389         Backport from mainline
1390         2012-03-07  Walter Lee  <walt@tilera.com>
1391
1392         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1393         REG_CFA_* notes for the stack pointer.
1394         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1395         EH_RETURN_STACKADJ_RTX.
1396         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1397         generate REG_CFA_* notes for the stack pointer.
1398         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1399         by EH_RETURN_STACKADJ_RTX.
1400
1401 2012-04-06  Matt Turner  <mattst88@gmail.com>
1402
1403         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1404
1405 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1406
1407         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1408         of the destination isn't also a FP_REGS register.
1409
1410 2012-04-03  Richard Guenther  <rguenther@suse.de>
1411
1412         Backport from mainline
1413         2012-03-02  Richard Guenther  <rguenther@suse.de>
1414
1415         PR tree-optimization/52406
1416         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1417         (struct indices): Add unconstrained_base member.
1418         (struct dr_alias): Remove unused vops member.
1419         (DR_UNCONSTRAINED_BASE): New define.
1420         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1421         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1422         be an artificial access that covers the whole indexed object,
1423         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1424         plain decl base-objects to their MEM_REF variant.
1425         (dr_may_alias_p): When the base-object of either data reference
1426         has unknown size use only points-to information.
1427         (compute_affine_dependence): Make dumps easier to read and
1428         more verbose.
1429         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1430         DR_REF when looking for packed references.
1431         (vect_supportable_dr_alignment): Likewise.
1432
1433 2012-04-03  Richard Guenther  <rguenther@suse.de>
1434
1435         Backport from mainline
1436         2012-03-15  Richard Guenther  <rguenther@suse.de>
1437
1438         PR middle-end/52580
1439         * tree-data-ref.c (subscript_dependence_tester_1): Check
1440         all dimensions for non-conflicting access functions.
1441
1442 2012-04-03  Richard Guenther  <rguenther@suse.de>
1443
1444         Backport from mainline
1445         2012-03-06  Richard Guenther  <rguenther@suse.de>
1446
1447         PR middle-end/52493
1448         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1449
1450         2012-03-23  Richard Guenther  <rguenther@suse.de>
1451
1452         PR tree-optimization/52678
1453         * tree-vectorizer.h (struct _stmt_vec_info): Add
1454         loop_phi_evolution_part member.
1455         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1456         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1457         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1458         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1459         Use the cached evolution part and the PHI nodes value from
1460         the loop preheader edge instead of re-analyzing the evolution.
1461
1462         2012-03-26  Richard Guenther  <rguenther@suse.de>
1463
1464         PR tree-optimization/52701
1465         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1466         compute and set the evolution part of PHI nodes.
1467
1468         2012-03-30  Richard Guenther  <rguenther@suse.de>
1469
1470         PR tree-optimization/52754
1471         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1472         propagate arbitrary addresses into really plain dereferences.
1473
1474 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1475
1476         PR tree-optimization/52835
1477         * tree-data-ref.c (build_rdg): Return NULL if
1478         compute_data_dependences_for_loop failed.
1479
1480 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1481
1482         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1483         (stmt_can_make_abnormal_goto): Use it.
1484         (is_ctrl_altering_stmt): Likewise.
1485
1486 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1487
1488         Backported from mainline
1489         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1490
1491         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1492         is a builtin_stack_save in a dominating BB.
1493
1494 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1495
1496         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1497         crossing 128bit lane boundary.
1498
1499 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1500
1501         Backported from mainline
1502         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1503
1504         PR target/52698
1505         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1506         New prototype.
1507         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1508         * config/i386/i386.c: Include reload.h.
1509         (ix86_legitimize_reload_address): New function.
1510
1511 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1512
1513         Backported from mainline
1514         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1515
1516         PR middle-end/52693
1517         * tree-sra.c (sra_modify_assign): Do not call
1518         load_assign_lhs_subreplacements when working with an unscalarizable
1519         region.
1520
1521 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1522
1523         PR middle-end/52691
1524         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1525         __builtin_va_start to __builtin_next_arg if the latter is
1526         builtin_decl_explicit_p rather than when it is not.
1527
1528         PR middle-end/52750
1529         * tree-vect-generic.c (vector_element): Perform multiplication
1530         for pos in bitsizetype type instead of idx type.
1531
1532 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1533
1534         Backport from 2012-03-28 mainline r185910.
1535
1536         PR target/52692
1537         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1538         (avr_builtin_decl): New static function.
1539         (struct avr_builtin_description, avr_bdesc): Move up.
1540         Add GTY marker. Add field fndecl. Remove redundant field id.
1541         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1542         (avr_expand_builtin): Code cleanup because .id is removed.
1543
1544 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1545
1546         PR middle-end/51893
1547         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1548         targets.
1549
1550 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1551
1552         Backport from 2012-03-28 mainline r185907.
1553
1554         PR target/52737
1555         * config.gcc (tm_file): Remove avr/multilib.h.
1556
1557         * doc/invoke.texi (AVR Options): Adjust
1558         documentation of -mtiny-stack.
1559
1560         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1561         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1562         * config/avr/t-avr: Remove generation of multilib.h.
1563         * config/avr/t-multilib: Regenerate.
1564         * config/avr/multilib.h: Remove.
1565         * config/avr/avr.opt (-msp8): New option.
1566         (avr_sp8): New variable.
1567         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1568         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1569         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1570         (avr_device_to_sp8): New prototype.
1571         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1572         (DRIVER_SELF_SPECS): New define.
1573         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1574         __AVR_SP8__, __AVR_HAVE_SPH__.
1575         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1576         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1577         (avr_file_start): Ditto.
1578
1579 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1580
1581         PR target/52736
1582         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1583         instead of 8 in adjust_address.
1584
1585 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1586
1587         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1588         of a unit before computing the offset in units.
1589
1590 2012-03-27  Richard Guenther  <rguenther@suse.de>
1591
1592         PR middle-end/52720
1593         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1594         explicitely.
1595
1596 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1597
1598         PR target/52610
1599         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1600
1601 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1602
1603         PR middle-end/52640
1604         * varasm.c: Include pointer-set.h.
1605         (pending_assemble_externals_set): New pointer set.
1606         (process_pending_assemble_externals): Destroy the pointer set.
1607         (assemble_external): See if decl is in pending_assemble_externals_set,
1608         and add it to pending_assemble_externals if necessary.
1609         (init_varasm_once): Allocate pending_assemble_externals_set.
1610
1611 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1612
1613         Backported from mainline
1614         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1615
1616         PR target/50310
1617         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1618         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1619         (vector_ltgt<mode>): Likewise.
1620         (vector_ordered<mode>): Likewise.
1621         (vector_unordered<mode>): Likewise.
1622         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1623
1624 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1625
1626         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1627         Make static.
1628
1629 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1630
1631         Backported from mainline
1632         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1633
1634         PR target/48596
1635         PR target/48806
1636         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1637         GENERAL_REGS and FP_REGS for SImode.
1638
1639 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1640
1641         PR middle-end/52547
1642         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1643         on any new_local_var_chain vars declared during recursing on
1644         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1645
1646 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1647
1648         Backport from 2012-03-22 mainline r185692.
1649
1650         PR target/52496
1651         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1652         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1653         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1654         (delay_cycles_1, delay_cycles_2): Ditto.
1655         (delay_cycles_3, delay_cycles_4): Ditto.
1656         (nopv, *nopv): Ditto.
1657         (sleep, *sleep): Ditto.
1658         (wdr, *wdr): Ditto.
1659
1660         Backport from 2012-03-21 mainline r185605.
1661
1662         PR rtl-optimization/52543
1663         PR target/52461
1664         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1665         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1666         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1667         (avr_load_libgcc_p): Restrict to __flash loads.
1668         (avr_out_lpm): Only handle 1-byte loads from __flash.
1669         (avr_load_lpm): New function.
1670         (avr_find_unused_d_reg): Remove.
1671         (avr_out_lpm_no_lpmx): Remove.
1672         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1673         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1674         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1675         (load_<mode>, load_<mode>_clobber): New insns.
1676         (mov<mode>): For multi-byte move from non-generic
1677         16-bit address spaces: Expand to load_<mode> resp.
1678         load_<mode>_clobber.
1679         (load<mode>_libgcc): Remove expander.
1680         (split-lpmx): Remove split.
1681
1682         Backport from 2012-03-13 mainline r185329.
1683
1684         PR target/52488
1685         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1686         offset (size) to a value the insns can deal with.
1687         (expand_epilogue): Ditto.
1688
1689         Backport from 2012-03-12 mainline r185256.
1690
1691         PR target/52499
1692         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1693         type from reg_class_t to enum reg_class.
1694         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1695
1696         Backport from 2012-03-12 mainline r185253.
1697
1698         PR target/52148
1699         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1700         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1701         r184615 from 2012-02-28.
1702
1703         Backport from 2012-03-08 mainline r185105.
1704
1705         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1706         for constants in [-63,63].
1707
1708         Backport from 2012-03-08 mainline r185100.
1709
1710         PR target/52496
1711         * config/avr/avr.c (avr_mem_clobber): New static function.
1712         (avr_expand_delay_cycles): Add memory clobber operand to
1713         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1714         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1715         (enable_interrupt, disable_interrupt): New expander.
1716         (nopv, sleep, wdr): New expanders.
1717         (delay_cycles_1): Add memory clobber.
1718         (delay_cycles_2): Add memory clobber.
1719         (delay_cycles_3): Add memory clobber.
1720         (delay_cycles_4): Add memory clobber.
1721         (cli_sei): New insn from former "enable_interrupt",
1722         "disable_interrupt" with memory clobber.
1723         (*wdt): New insn from former "wdt" with memory clobber.
1724         (*nopv): Similar, but for "nopv".
1725         (*sleep): Similar, but for "sleep".
1726
1727         Backport from 2012-03-07 mainline r185043.
1728
1729         PR target/52484
1730         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1731
1732         Backport from 2012-03-07 mainline r185032.
1733
1734         PR target/52506
1735         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1736         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1737         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1738
1739         Backport from 2012-03-07 mainline r185031.
1740
1741         PR target/52505
1742         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1743         from RAM.
1744         * config/avr/avr.md (xload_8): Adjust insn length.
1745
1746         Backport from 2012-03-07 mainline r185030.
1747
1748         PR target/52461
1749         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1750         if RAMPZ affects reading from RAM.
1751
1752         Backport from 2012-03-05 mainline r184919.
1753
1754         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1755
1756 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1757
1758         Backport from mainline r185259.
1759
1760         PR other/52545
1761         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1762         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1763
1764 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1765
1766         Backported from mainline
1767         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1768
1769         PR c/52577
1770         * c-parser.c (c_parser_postfix_expression)
1771         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1772
1773         * config/i386/smmintrin.h: Avoid /* within a comment.
1774         * config/i386/nmmintrin.h: Likewise.
1775
1776 2012-03-22  Richard Guenther  <rguenther@suse.de>
1777
1778         * BASE-VER: Set to 4.7.1.
1779         * DEV-PHASE: Set to prerelease.
1780
1781 2012-03-22  Release Manager
1782
1783         * GCC 4.7.0 released.
1784
1785 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1786
1787         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1788
1789 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1790             Andrew Pinski  <apinski@cavium.com>
1791
1792         PR middle-end/52592
1793         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1794         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1795         calls instead of __builtin_ir{int,ound}*.
1796
1797 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1798
1799         PR c++/52582
1800         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1801         if c_node is NULL.
1802
1803 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1804
1805         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1806         Refer to GCC 4.7 version of c99status.html.
1807
1808 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1809
1810         Backport from mainline
1811         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1812
1813         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1814         redefine to be NULL if the current bit-size is different from the
1815         configured bit-size.
1816
1817         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1818         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1819         set the default tuning.  Add asserts to make sure the cpu and tune
1820         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1821         test whether the index is set, instead of > 0.
1822         (rs6000_file_start): Do not reset the default cpu if the current
1823         bit-size is different from the configured bit-size.
1824
1825 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1826
1827         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1828         binutils reference.
1829         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1830         Update binutils references.
1831         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1832         Update binutils reference.
1833         Update Sun as/GNU ld caveat.
1834         Document binutils largefile requirement for LTO plugin.
1835         Remove reference to alternate libpthread.
1836
1837 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1838
1839         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1840         reference.
1841         (Specific, mips-sgi-irix6): Likewise.
1842
1843 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1844
1845         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1846         * configure: Regenerate.
1847
1848 2012-03-07  Richard Henderson  <rth@redhat.com>
1849
1850         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1851         * config/m68k/sync.md (atomic_test_and_set): Use it.
1852         (atomic_test_and_set_1): Likewise.
1853
1854 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1855
1856         PR target/51417
1857         * Makefile.in: Let install-gcc-ar depend on installdirs,
1858         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1859         Don't double canonicalize if cross-compiling.
1860
1861 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1862
1863         * trans-mem.c: New typedef for tm_region_p.
1864         Define vector types for tm_region_p.
1865         (tm_region_init): Replace region_worklist to a vector called
1866         bb_regions.
1867
1868 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1869
1870         PR middle-end/52463
1871         * trans-mem.c (tm_region_init): Use last_basic_block.
1872
1873 2012-03-05  Richard Henderson  <rth@redhat.com>
1874
1875         PR tree-opt/52242
1876         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1877         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1878         BIGGEST_ALIGNMENT is aligned.
1879
1880 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1881
1882         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1883
1884 2012-03-05  Richard Henderson  <rth@redhat.com>
1885
1886         PR target/52481
1887         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1888         instead of calling negqi2 directly.
1889
1890 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1891
1892         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1893         (INTMAX_TYPE): Use it.
1894         (UINTMAX_TYPE): Likewise.
1895         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1896         (irix6_c_common_override_options): Declare.
1897         (C_COMMON_OVERRIDE_OPTIONS): Define.
1898         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1899         * config/mips/irix6-c.c: New file.
1900         * config/mips/t-irix6 (irix6-c.o): New target.
1901         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1902         cxx_target_objs.
1903
1904 2012-03-02  Richard Henderson  <rth@redhat.com>
1905
1906         * optabs.c (expand_atomic_test_and_set): Honor
1907         atomic_test_and_set_trueval even when atomic_test_and_set
1908         optab is not in use.
1909
1910 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1911
1912         Backport from mainline
1913         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1914
1915         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1916
1917 2012-03-02  Richard Guenther  <rguenther@suse.de>
1918
1919         * DEV-PHASE: Set to prerelease.
1920
1921 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1922
1923         * config.gcc (obsolete): Add all ARM targets using the FPA.
1924         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1925         * doc/install.texi: Avoid references to obsolete ARM ports.
1926
1927 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1928
1929         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1930
1931 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1932             Joern Rennecke  <joern.rennecke@embecosm.com>
1933
1934         * doc/extend.texi: Expand and update information on interrupt
1935         attribute for Epiphany.
1936
1937 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1938
1939         * config/sh/sh-protos.h: Update copyright notice dates.
1940         * config/sh/sh.h: Likewise.
1941         * config/sh/sh.md: Likewise.
1942         * config/sh/constraints.md: Likewise.
1943         * config/sh/predicates.md: Likewise.
1944
1945 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1946
1947         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1948         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1949
1950 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1951
1952         * config/sh/constraints.md: Fix comment typo.
1953
1954 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1955
1956         PR target/52408
1957         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1958         unsigned HOST_WIDE_INT.
1959         (zvdep_imm64): Likewise.
1960         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1961         (vdepi_and): Likewise.
1962         Likewise for unamed 64-bit patterns.
1963         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1964
1965 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1966
1967         PR debug/52001
1968         PR rtl-optimization/52417
1969         * cselib.c (cselib_any_perm_equivs): New variable.
1970         (cselib_reset_table): Check that it's not set when not
1971         preserving constants.
1972         (cselib_add_permanent_equiv): Set it.
1973         (cselib_have_permanent_equivalences): New.
1974         (cselib_init, cselib_finish): Reset it.
1975         * cselib.h (cselib_have_permanent_equivalences): Declare.
1976         * alias.c (get_addr): Restore earlier behavior when there
1977         aren't permanent equivalences.
1978
1979 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1980
1981         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1982         * config/v850/v850-modes.def: Fix copyright notice.
1983
1984 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1985
1986         * doc/extend.texi (AVR Built-in Functions): Document
1987         __builtin_avr_flash_segment.
1988
1989         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1990         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1991         (*split.flash_segment): New insn-and-split.
1992         * config/avr/avr.c (avr_init_builtins): Add local variables:
1993         const_memx_void_node, const_memx_ptr_type_node,
1994         char_ftype_const_memx_ptr.
1995
1996 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1997
1998         PR tree-optimization/52445
1999         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2000         add ssa_name_ver, offset and size fields and change store field
2001         to bool.
2002         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2003         (add_or_mark_expr): Likewise.  Only consider previous stores
2004         with the same size and offset.
2005         (nt_init_block): Only look at gimple_assign_single_p stmts,
2006         doesn't look at rhs2.
2007
2008 2012-03-01  Richard Guenther  <rguenther@suse.de>
2009
2010         PR middle-end/52443
2011         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2012         conversions from integral types to pointer types.
2013
2014 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2015
2016         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2017         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2018         unintentionally removed in r184616.
2019
2020 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2021
2022         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2023         3DNow from bdver1.
2024
2025 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2026             Uros Bizjak  <ubizjak@gmail.com>
2027
2028         PR target/52437
2029         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2030         alternatives, add "e" constraint to the new last alternative
2031         and ! to last 3 alternatives.
2032
2033 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2034
2035         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2036         DW_AT_artificial attributes at the end of the processing.
2037         (gen_array_type_die): Likewise.
2038         (gen_enumeration_type_die): Likewise.
2039         (gen_struct_or_union_type_die): Likewise.
2040         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2041         the parent type.
2042
2043 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2044
2045         PR middle-end/52419
2046         * expr.c (expand_assignment): If doing misaligned store that doesn't
2047         cover all mode bits, perform a RMW cycle.
2048
2049         PR tree-optimization/52429
2050         * tree-parloops.c (separate_decls_in_region_debug): Return early
2051         if var is LABEL_DECL.
2052
2053 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2054
2055         PR tree-optimization/52424
2056         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2057         calling dom_thread_across_edge.
2058
2059 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2060
2061         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2062
2063 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2064
2065         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2066         * config/avr/avr.c (avr_output_bld): Remove unused function.
2067         (avr_out_sbxx_branch): Use "%T" to print bit position.
2068
2069 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2070
2071         * config/avr/avr.md: Untabify.
2072
2073 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2074
2075         * config/avr/avr.md (eqne): New code iterator.
2076         (*dec-and-branchsi): Use it in text peephole's condition.
2077         (*dec-and-branchhi): Ditto.
2078         (*dec-and-branchqi): Ditto.
2079
2080 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2081
2082         PR target/49939
2083         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2084         the device does not have the skip-bug.
2085
2086 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2087
2088         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2089         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2090         -mpretend-cmove): New.
2091
2092 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2093
2094         PR bootstrap/52397
2095         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2096         doesn't count DEBUG_INSN refs.
2097         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2098         for DEBUG_INSN refs.
2099
2100 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2101
2102         Partially revert:
2103
2104         2012-02-20  Richard Guenther  <rguenther@suse.de>
2105         PR tree-optimization/52298
2106         * tree-vect-stmts.c (vectorizable_load): Properly use
2107         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2108         outer loops.
2109
2110 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2111
2112         PR middle-end/51752
2113         * gimple.h (gimple_in_transaction): New.
2114         (gimple_set_in_transaction): New.
2115         (struct gimple_statement_base): Add in_transaction field.
2116         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2117         transaction loads.
2118         (tree_ssa_lim_initialize): Compute transaction bits.
2119         * tree.h (compute_transaction_bits): Protoize.
2120         * trans-mem.c (tm_region_init): Use the heap to store BB
2121         auxilliary data.
2122         (compute_transaction_bits): New.
2123
2124 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2125
2126         * gcc.c (display_help): Document --help=common and sort entries
2127         alphabetically.
2128
2129 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2130
2131         * doc/install.texi: Document check-$LANG specific shortcuts
2132
2133 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2134
2135         PR target/51534
2136         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2137         and vcgtu.
2138         * config/arm/arm_neon.h: Regenerate.
2139         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2140         (neon_vcgeu): New insn.
2141         (neon_vcgtu): Likewise.
2142         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2143         (ops): Unsigned comparison intrinsics call a different
2144         builtin.
2145
2146 2012-02-28  Richard Guenther  <rguenther@suse.de>
2147
2148         PR target/52407
2149         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2150         ordering for the VEC_CONCAT for two element vectors for
2151         V2SFmode, V2SImode and V2DImode.
2152
2153 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2154
2155         PR target/49448
2156         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2157         detecting big-endian triplets.
2158
2159 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2160
2161         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2162         mode if there is no type information available.
2163
2164 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2165
2166         PR tree-optimization/53207
2167         * doc/invoke.texi: Document as experimental and relying on graphite.
2168
2169 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2170
2171         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2172         of initializer to changes from r184614.
2173
2174 2012-02-28  Richard Guenther  <rguenther@suse.de>
2175
2176         PR tree-optimization/52395
2177         * tree-sra.c (build_ref_for_offset): Also look at the base
2178         TYPE_ALIGN when figuring out the alignment of the replacement.
2179
2180 2012-02-28  Richard Guenther  <rguenther@suse.de>
2181
2182         PR tree-optimization/52402
2183         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2184         mis-aligned types when creating the accesses at the call site.
2185
2186 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2187
2188         * config/avr/builtins.def: New file.
2189         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2190         * config/avr/avr.c (enum avr_builtin_id): Use it.
2191         (avr_init_builtins): Use it. And use avr_bdesc.
2192         (bdesc_1arg): Remove.
2193         (bdesc_2arg): Remove.
2194         (bdesc_3arg): Remove.
2195         (struct avr_builtin_description): Add field n_args.
2196         (avr_bdesc): New static variable using builtins.def.
2197         (avr_expand_builtin): Use it.
2198         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2199         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2200         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2201
2202 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2203
2204         PR target/52148
2205         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2206         match only one single hard register with respective hard reg rtx.
2207         (movmemx_<mode>): Ditto.
2208         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2209         insn anatomy of movmem[x]_<mode>.
2210         (avr_out_movmem): Same for printing assembler and operand usage.
2211
2212 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2213
2214         PR target/49868
2215         PR target/52261
2216         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2217         address spaces located outside of device flash.
2218
2219         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2220         (mcu_type_s): Add field n_flash.
2221         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2222         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2223         (AVR_MCU): Add N_FLASH argument.
2224         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2225         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2226         macro __FLASH<n> if that address space makes sense for the device.
2227         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2228         outside of target flash.
2229         (avr_asm_named_section): Ditto.
2230         (avr_asm_select_section): Ditto.
2231         (avr_addr_space_convert): Ditto.
2232         (avr_emit_movmemhi): Ditto.
2233         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2234         address space is outside of device flash.
2235         (avr_insert_attributes): Ditto.
2236         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2237         avr_current_arch->n_segments.
2238
2239 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2240
2241         PR target/52352
2242         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2243         TARGET_LP64.
2244         (*movabs<mode>_2): Likewise.
2245
2246 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2247
2248         PR target/52375
2249         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2250         s_register_operand in the test instead of REG_P.  Don't call
2251         gen_reg_rtx if it won't be used.
2252
2253         PR tree-optimization/52376
2254         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2255
2256 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2257
2258         * ifcvt.c (noce_get_condition): Check condition variable is not
2259         small_register_classes_for_mode_p before accepting.
2260
2261 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2262
2263         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2264
2265 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2266
2267         Revert:
2268         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2269         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2270         tuning parameters.
2271         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2272
2273 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2274
2275         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2276
2277 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2278
2279         * config/sh/predicates.md: Remove blank lines.
2280         * config/sh/sh.c: Fix typos in comments.
2281         * config/sh/constraints.md: Likewise.
2282         * config/sh/sh.md: Remove blank lines.
2283         Fix typos in comments.  Use ;; as comment characters.
2284
2285 2012-02-26  Walter Lee  <walt@tilera.com>
2286
2287         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2288         (replace_mov_pcrel_step2): Ditto.
2289
2290 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2291
2292         PR debug/52001
2293         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2294         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2295         and locs that reference values newer than the non-canonical value
2296         at hand.  Return the canonical value as a worst case.
2297         (memrefs_conflict_p): Walk canonical value's locs.
2298
2299         PR debug/52001
2300         * cselib.c (preserve_only_constants): Rename to...
2301         (preserve_constants_and_equivs): ... this.  Split out...
2302         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2303         of other preserved expressions too.
2304         (cselib_reset_table): Adjust.
2305         * var-tracking.c (reverse_op): Use canonical value to build
2306         reverse operation.
2307
2308 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2309
2310         * config/i386/i386.c (ix86_delegitimize_address): Handle
2311         UNSPEC_PCREL plus displacement.
2312
2313 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2314
2315         PR target/52261
2316         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2317         to test for unusedness in st X addressing.
2318
2319 2012-02-24  Richard Guenther  <rguenther@suse.de>
2320
2321         PR middle-end/52361
2322         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2323         (is_gimple_reg_type): Move inline ...
2324         * gimple.h (is_gimple_reg_type): ... here.
2325
2326 2012-02-24  Richard Guenther  <rguenther@suse.de>
2327
2328         PR middle-end/52361
2329         * passes.c (execute_function_todo): When verifying SSA form
2330         verify gimple form first.
2331         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2332
2333 2012-02-24  Richard Guenther  <rguenther@suse.de>
2334
2335         PR middle-end/52355
2336         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2337         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2338
2339 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2340
2341         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2342
2343 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2344
2345         * tree-phinodes.c (make_phi_node): Mark static.
2346         * tree-flow.h (make_phi_node): Remove extern decl.
2347         * doc/gimple.texi (make_phi_node): Remove documentation.
2348
2349 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2350
2351         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2352         * tree-ssa-sccvn.c (print_scc): Ditto.
2353
2354 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2355
2356         * doc/passes.texi (Full redundancy elimination): Fix typo.
2357
2358 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2359
2360         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2361
2362 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2363
2364         PR bootstrap/52287
2365         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2366
2367 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2368
2369         PR c/52290
2370         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2371
2372 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2373
2374         * config/avr/avr.md (code_stdname): Add ior, xor.
2375         (xior): New code iterator.
2376         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2377         (*<code_stdname><mode>qi.byte1-3): Ditto.
2378
2379 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR tree-optimization/52019
2382         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2383         CLOBBER stmts.
2384
2385 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2386
2387         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2388         HAVE_INITFINI_ARRAY to work around namespace pollution in
2389         certain versions of newlib system headers.
2390         * config.in: Regenerate.
2391         * configure: Regenerate.
2392         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2393         instead of HAVE_INITFINI_ARRAY.
2394
2395 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2396
2397         PR target/52330
2398         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2399         is not offsettable memory reference.
2400
2401 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2402
2403         PR target/18145
2404         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2405         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2406
2407 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2408
2409         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2410         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2411
2412 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2413
2414         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2415         library on Solaris 8 even without TLS support.
2416         * configure: Regenerate.
2417
2418 2012-02-22  Richard Guenther  <rguenther@suse.de>
2419
2420         PR middle-end/52329
2421         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2422         for GIMPLE_DEBUG stmts.
2423
2424 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2425
2426         PR middle-end/51782
2427         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2428         according to the base object.
2429
2430 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2431
2432         PR rtl-optimization/50063
2433         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2434         and 2 (8-bit SP) in operand 2.
2435         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2436         setup to use movhi_sp_r instead of vanilla move to write SP.
2437         Adjust REG_CFA notes to superseed unspec.
2438         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2439         of vanilla move.
2440         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2441         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2442         irq_state 1 (IRQ known to be on) here.
2443
2444 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2445
2446         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2447         WORDS_BIG_ENDIAN.
2448         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2449         assign_hard_reg): Likewise.
2450
2451 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2452
2453         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2454
2455 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2456
2457         * config/avr/avr.md
2458         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2459         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2460
2461 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2462
2463         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2464         prototype from here to...
2465         * config/avr/avr.h: ...here.
2466
2467 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2468
2469         PR target/52294
2470         * thumb2.md (thumb2_shiftsi3_short): Split register and
2471         immediate shifts.  For register shifts tie operands 0 and 1.
2472         (peephole2 for above): Check that register-controlled shifts
2473         have suitably tied operands.
2474
2475 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2476
2477         PR target/52137
2478         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2479         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2480         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2481         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2482         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2483         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2484         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2485         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2486         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2487         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2488         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2489         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2490         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2491         bdver1_ssevector_avx256_unaligned_load,
2492         bdver1_ssevector_sse128_unaligned_load,
2493         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2494         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2495         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2496         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2497         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2498         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2499         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2500         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2501         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2502         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2503         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2504         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2505         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2506         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2507         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2508         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2509         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2510         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2511         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2512         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2513         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2514         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2515         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2516         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2517         bdver1_ssediv_double_load, bdver1_ssediv_double,
2518         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2519         Add "bdver2" attribute.
2520
2521 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2522
2523         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2524         default if possible and not specified otherwise.
2525
2526 2012-02-21  Richard Guenther  <rguenther@suse.de>
2527
2528         PR middle-end/52314
2529         * gimplify.c (create_tmp_from_val): Use the main variant type
2530         for the type of the temporary we create.
2531
2532 2012-02-21  Richard Guenther  <rguenther@suse.de>
2533
2534         PR tree-optimization/52324
2535         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2536         do not gimplify a MEM_REF address operand if it is already
2537         in suitable form.
2538
2539 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2540
2541         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2542         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2543
2544 2012-02-21  Richard Guenther  <rguenther@suse.de>
2545
2546         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2547         nested_in_vect_loop.
2548
2549 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2550
2551         PR tree-optimization/52318
2552         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2553         vdef also to non-pure/const call stmts in the sequence.
2554
2555 2012-02-20  David S. Miller  <davem@davemloft.net>
2556
2557         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2558         don't use the "rd %pc" instruction on v9 for PIC register loads.
2559
2560 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2561
2562         PR middle-end/52141
2563         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2564         in a transaction safe function.
2565
2566 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2567
2568         PR target/52238
2569         * stor-layout.c (place_field): Handle desired_align for
2570         ms-bitfields, too.
2571
2572 2012-02-20  Richard Guenther  <rguenther@suse.de>
2573
2574         PR tree-optimization/52298
2575         * tree-vect-stmts.c (vectorizable_store): Properly use
2576         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2577         outer loops.
2578         (vectorizable_load): Likewise.
2579         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2580         Access DR_STEP after ensuring it is not NULL.
2581
2582 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2583
2584         PR tree-optimization/52286
2585         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2586         optimization use double_int_to_tree instead of build_int_cst_wide,
2587         rewrite to use double_int vars.
2588
2589 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2590
2591         PR target/50166
2592         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2593         Define _start.
2594         Remove -e 0 from $gcc_cv_ld invocation.
2595         Only use __GLIBC_PREREQ if defined.
2596         Enable on Solaris since Solaris 8 patch.
2597         (gcc_SUN_LD_VERSION): New macro.
2598         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2599         gcc_SUN_LD_VERSION for version number format.
2600         * configure: Regenerate.
2601         * varasm.c (get_elf_initfini_array_priority_section): Set
2602         SECTION_NOTYPE for non-default priority.
2603         Use get_section instead of get_unnamed_section to emit
2604         .init_array/.fini_array with default priority.
2605
2606 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2607
2608         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2609         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2610         (mips_start_unique_function, mips_output_mips16_rdhwr)
2611         (mips_code_end): New functions.
2612         (TARGET_ASM_CODE_END): Define.
2613
2614 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2615
2616         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2617         to stubs with non-sibling calls.
2618
2619 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2620
2621         * doc/invoke.texi (-fira-* options): Copy-edit.
2622         (ira-* parameters): Copy-edit.
2623
2624 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2625
2626         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2627         GCC coding conventions.
2628
2629 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2630
2631         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2632         when used as adjectives.
2633
2634 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2635
2636         * doc/invoke.texi: Clean up "that"/"which" confusion.
2637
2638 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2639
2640         * system.h: Poison SMALL_REGISTER_CLASSES
2641         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2642         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2643
2644 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2645
2646         PR tree-optimization/52285
2647         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2648         when deciding if a call is a tail call or tail recursion.
2649
2650 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2651
2652         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2653         interger-constant displacement for UNSPEC_PCREL.
2654
2655 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR rtl-optimization/52208
2658         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2659         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2660
2661         PR tree-optimization/52255
2662         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2663         loop->header has virtual PHI, but exit_e->dest doesn't, add
2664         virtual PHI to exit_e->dest and adjust all uses after the loop.
2665
2666         PR debug/52260
2667         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2668         children with clone_tree_hash, not after it.
2669
2670 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2671
2672         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2673         extended identifiers.
2674
2675 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2676
2677         PR middle-end/51929
2678         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2679         a same_body_alias, also test whether e->callee isn't a former
2680         or current clone of the decl this is a same body alias of.
2681
2682         PR translation/52264
2683         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2684
2685 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2686
2687         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2688
2689 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2690
2691         PR target/52199
2692         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2693         force_reg instead of copy_to_reg for better optimization.  Force
2694         non-register or memory operands into a register.
2695
2696 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2697
2698         * extend.texi: Reserve upper bits of memory model for future use.
2699
2700 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2701             Anatoly Sokolov <aesok@post.ru>
2702             Eric Weddington <eric.weddington@atmel.com>
2703
2704         PR target/52261
2705         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2706         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2707         Rewrite initializers for .macro.
2708         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2709         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2710         atxmega32d4, atxmega32x1.
2711         avrxmega4: atxmega64a3, atxmega64d3.
2712         avrxmega5: atxmega64a1, atxmega64a1u.
2713         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2714         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2715         avrxmega7: atxmega128a1, atxmega128a1u.
2716         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2717         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2718         (struct base_arch_s): Rename reserved to xmega_p.
2719         Rename reserved2 to have_rampd.
2720         (AVR_XMEGA): New define.
2721         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2722         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2723         * config/avr/predicates.md (io_address_operand): Take into
2724         account SFR offset.
2725         (low_io_address_operand): Ditto.
2726         (high_io_address_operand): Ditto.
2727         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2728         (enabled, movhi_sp_r): Use them.
2729         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2730         cpp_define_formatted to built-in define __AVR_ARCH__.
2731         (__AVR_XMEGA__): New built-in define.
2732         (__AVR_HAVE_RAMPD__): New built-in define.
2733         (__AVR_HAVE_RAMPX__): New built-in define.
2734         (__AVR_HAVE_RAMPY__): New built-in define.
2735         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2736
2737         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2738         (avr_option_override): Initialize them.
2739         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2740         (avr_init_expanders): Initialize them. No more block several calls.
2741         (emit_push_sfr): New static function.
2742         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2743         Handle AVR_XMEGA.
2744         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2745         (avr_print_operand): Print addreeses as symbols for
2746         RAMPX, RAMPY, RAMPD, CCP.
2747         (output_movhi): Handle AVR_XMEGA when writing to SP.
2748         (avr_out_movhi_mr_r_xmega): New static function.
2749         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2750         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2751         __RAMPD__,  __CCP__ as needed.
2752
2753         * config/avr/multilib.h: Regenerate.
2754         * config/avr/t-multilib: Regenerate.
2755         * config/avr/avr-tables.opt: Regenerate.
2756
2757 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2758
2759         PR tree-optimization/50561
2760         * graphite-flattening.c (lst_project_loop): Do not
2761         remove old scattering dimensions after flattening.
2762         (lst_do_flatten): Likewise.
2763
2764 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2765
2766         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2767         __builtin_avr_map8, __builtin_avr_map16.
2768         Document __builtin_avr_insert_bits.
2769
2770         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2771         (insert_bits): New insn.
2772         (adjust_len.map_bits): Rename to insert_bits.
2773         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2774         * avr-protos.h (avr_out_map_bits): Remove.
2775         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2776         * config/avr/constraints.md (Cxf,C0f): New.
2777         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2778         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2779         New built-in define __BUILTIN_AVR_INSERT_BITS.
2780         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2781         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2782         (avr_move_bits): Rewrite.
2783         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2784         functions.
2785         (avr_map_op_t): New typedef.
2786         (avr_map_op): New static variable.
2787         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2788         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2789         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2790         (bdesc_3arg, avr_expand_triop_builtin): New.
2791         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2792         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2793         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2794         (avr_map_equal_p, avr_map_sig_p): Remove.
2795         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2796         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2797         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2798         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2799         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2800         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2801
2802 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2803
2804         * config/c6x/c6x.md (reserve_cycles): New attribute.
2805         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2806         don't reserve functional units after the branch occurs.
2807
2808 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2809
2810         PR middle-end/52142
2811         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2812         functions into non-tm_pure functions.
2813
2814 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2815
2816         PR lto/52178
2817         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2818         (iterative_hash_canonical_type): Likewise.
2819         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2820         the dead edges.
2821
2822 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2823
2824         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2825         sched-group insn, it either remains alone or the entire list is pruned.
2826
2827 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2828
2829         * doc/install.texi (Prerequisites): Fix grammar.
2830         (Configuration): Likewise.
2831
2832 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2833
2834         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2835         MPC as part of GCC before describing configuring with --with-gmp etc.
2836         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2837         sources are present.
2838
2839 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2840
2841         PR debug/51950
2842         * dwarf2out.c (clone_tree_hash): New function.
2843         (copy_decls_walk): Use it instead of clone_tree.
2844
2845 2012-02-14  Richard Guenther  <rguenther@suse.de>
2846
2847         PR tree-optimization/52244
2848         PR tree-optimization/51528
2849         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2850         replacements for integral types.
2851
2852 2012-02-14  Walter Lee  <walt@tilera.com>
2853
2854         * config.gcc: Handle tilegx and tilepro.
2855         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2856         tilegx and tilepro.
2857         Add HAVE_AS_TLS check for tilegx and tilepro.
2858         * configure: Regenerate.
2859         * doc/contrib.texi: Add Mat Hostetter and self.
2860         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2861         Document instruction intrinsics and network accessing intrinsics.
2862         (TILEPro Built-in Functions): New node.  Document instruction
2863         intrinsics and network accessing intrinsics.
2864         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2865         (Specific, tilepro-*-linux*): Likewise.
2866         * doc/invoke.texi (TILE-Gx Options): New section.
2867         (TILEPro Options): New section.
2868         * doc/md.texi (TILE-Gx): New section.
2869         (TILEPro): New section.
2870         * common/config/tilegx/tilegx-common.c: New file.
2871         * common/config/tilepro/tilepro-common.c: New file.
2872         * config/tilegx/constraints.md: New file.
2873         * config/tilegx/linux.h: New file.
2874         * config/tilegx/mul-tables.c: New file.
2875         * config/tilegx/predicates.md: New file.
2876         * config/tilegx/sync.md: New file.
2877         * config/tilegx/t-tilegx: New file.
2878         * config/tilegx/tilegx-builtins.h: New file.
2879         * config/tilegx/tilegx-c.c: New file.
2880         * config/tilegx/tilegx-generic.md: New file.
2881         * config/tilegx/tilegx-modes.def: New file.
2882         * config/tilegx/tilegx-multiply.h: New file.
2883         * config/tilegx/tilegx-protos.h: New file.
2884         * config/tilegx/tilegx.c: New file.
2885         * config/tilegx/tilegx.h: New file.
2886         * config/tilegx/tilegx.md: New file.
2887         * config/tilegx/tilegx.opt: New file.
2888         * config/tilepro/constraints.md: New file.
2889         * config/tilepro/gen-mul-tables.cc: New file.
2890         * config/tilepro/linux.h: New file.
2891         * config/tilepro/mul-tables.c: New file.
2892         * config/tilepro/predicates.md: New file.
2893         * config/tilepro/t-tilepro: New file.
2894         * config/tilepro/tilepro-builtins.h: New file.
2895         * config/tilepro/tilepro-c.c: New file.
2896         * config/tilepro/tilepro-generic.md: New file.
2897         * config/tilepro/tilepro-modes.def: New file.
2898         * config/tilepro/tilepro-multiply.h: New file.
2899         * config/tilepro/tilepro-protos.h: New file.
2900         * config/tilepro/tilepro.c: New file.
2901         * config/tilepro/tilepro.h: New file.
2902         * config/tilepro/tilepro.md: New file.
2903         * config/tilepro/tilepro.opt: New file.
2904
2905 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2906
2907         PR tree-optimization/52210
2908         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2909         vect_model_simple_cost with two entry vect_def_type array instead
2910         of an address of dt.
2911
2912 2012-02-14  Richard Guenther  <rguenther@suse.de>
2913
2914         PR lto/52178
2915         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2916         Do not stream DECL_QUALIFIER.
2917         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2918         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2919         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2920
2921 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2922
2923         PR c/52181
2924         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2925         newdecl.
2926
2927 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2928
2929         PR bootstrap/52172
2930         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2931         * cselib.c (cselib_subst_to_values_from_insn): New function.
2932         * sched-deps.c (add_insn_mem_dependence,
2933         sched_analyze_1, sched_analyze_2): Use it.
2934
2935 2012-02-13  Jan Hubicka  <jh@suse.cz>
2936
2937         PR middle-end/52214
2938         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2939
2940 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2941
2942         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2943         (GTM_SELF_SPECS): Define if not already defined.
2944         (driver_self_specs): Add GTM_SELF_SPECS.
2945         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2946         (GTM_SELF_SPECS): Define.
2947         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2948         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2949
2950 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2951
2952         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2953         away if seen.
2954
2955         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2956
2957         PR middle-end/52230
2958         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2959         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2960
2961 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2962
2963         PR c/52190
2964         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2965
2966 2012-02-13  Richard Guenther  <rguenther@suse.de>
2967
2968         PR translation/52211
2969         * passes.c (enable_disable_pass): Fix typo.
2970
2971 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2972
2973         PR middle-end/52209
2974         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2975         XOR for reduce_bit_field if type is unsigned.
2976
2977 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2978
2979         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2980         disallow changes from SFmode to mode with different size in FP regs.
2981
2982 2012-02-12  Robert Millan  <rmh@gnu.org>
2983             Gerald Pfeifer <gerald@pfeifer.com>
2984
2985         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2986         Tweak comment.
2987
2988 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2989
2990         PR rtl-optimization/52175
2991         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2992         to frame-related instructions.
2993
2994 2012-02-10  Jason Merrill  <jason@redhat.com>
2995
2996         PR c++/51910
2997         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2998         (demangle_new_symbols): Fill it.
2999         (scan_linker_output): Walk it.
3000         (start_tweaking): Split out from scan_linker_output.
3001         (maybe_tweak): Update sym->chosen.
3002         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3003
3004 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3005
3006         PR debug/52132
3007         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3008
3009 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3010
3011         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3012         having the same mode as previous compare.
3013
3014 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3015
3016         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3017         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3018         (nonlocal_goto_internal): Likewise.
3019         (nonlocal_goto): Emit a use and an indirect jump directly.
3020
3021 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3022
3023         PR c/52190
3024         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3025         __atomic_{is,always}_lock_free.
3026
3027 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3028
3029         PR target/52146
3030         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3031         negative constant address for x32.
3032
3033 2012-02-10  Richard Henderson  <rth@redhat.com>
3034
3035         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3036         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3037         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3038
3039 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3040             Ira Rosen  <irar@il.ibm.com>
3041
3042         PR tree-optimization/50031
3043         * targhooks.c (default_builtin_vectorization_cost): Handle
3044         vec_promote_demote.
3045         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3046         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3047         all types of reduction and pattern statements.
3048         (vect_estimate_min_profitable_iters): Likewise.
3049         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3050         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3051         for explicit realigns.
3052         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3053         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3054         vec_promote_demote.
3055         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3056         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3057         vec_perm for VSX and handle vec_promote_demote.
3058
3059 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3060
3061         PR middle-end/52177
3062         * builtins.c (fold_builtin_atomic_always_lock_free,
3063         expand_builtin_atomic_always_lock_free,
3064         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3065         Return and/or test boolean_true_node/boolean_false_node instead of
3066         integer_one_node/integer_zero_node.
3067
3068 2012-02-10  Jan Hubicka  <jh@suse.cz>
3069
3070         PR middle-end/48600
3071         * predict.c (predict_paths_for_bb): Prevent looping.
3072         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3073
3074 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3075
3076         * config/arm/arm.c (output_move_double): In one case properly
3077         count number of instructions that will be emitted.
3078
3079 2012-02-10  Richard Guenther  <rguenther@suse.de>
3080
3081         PR translation/52193
3082         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3083
3084 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3085
3086         PR middle-end/52140
3087         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3088
3089 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3090
3091         PR debug/52165
3092         * var-tracking.c (emit_note_insn_var_location): If
3093         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3094         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3095         non-NOTE_DURING_CALL_P insn.
3096
3097 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3098
3099         PR middle-end/51867
3100         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3101
3102 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3103
3104         PR driver/48524
3105         * gcc.c (switch_matches) Support switches with separated form,
3106         -D and -U.
3107
3108 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3109
3110         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3111         (SP_ADDR): Ditto.
3112         (RAMPZ_ADDR): Ditto.
3113         * config/avr/avr.c (avr_addr_t): New typedef.
3114         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3115         (avr_init_expanders): Initialize it.
3116         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3117         SREG_ADDR.
3118         (expand_epilogue): Ditto.
3119         (avr_print_operand): Ditto.
3120         (avr_file_start): Ditto.
3121         (avr_emit_movmemhi): Ditto.
3122
3123 2012-02-08  Richard Guenther  <rguenther@suse.de>
3124
3125         PR tree-optimization/46886
3126         * tree-flow.h (do_while_loop_p): Declare.
3127         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3128         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3129
3130 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3131
3132         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3133         always succeed for integers larger than a native word.
3134
3135 2012-02-08  Richard Guenther  <rguenther@suse.de>
3136
3137         PR rtl-optimization/52170
3138         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3139         properly handle integer vector modes.
3140
3141 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3142
3143         PR gcov-profile/52150
3144         * coverage.c: Include target.h.
3145         (build_var): Call targetm.strip_name_encoding on the assembler name.
3146         Change one _ into . or $ if the target allows it.
3147         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3148
3149         PR rtl-optimization/52139
3150         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3151         is a BARRIER after emit_insn_after_noloc, move BB_END
3152         to the last non-BARRIER insn before it.
3153
3154 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3155
3156         PR middle-end/24306
3157         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3158         (mips_gimplify_va_arg_expr): Call it instead of
3159         std_gimplify_va_arg_expr.
3160
3161 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3162
3163         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3164         message for -mno-pointers-to-nested-function.
3165
3166 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3167
3168         PR middle-end/51994
3169         * expr.c (get_inner_reference): If there is an offset, add a negative
3170         bit position to it (if any).
3171
3172 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3173
3174         PR rtl-optimization/52060
3175         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3176         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3177         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3178         and/or i0src_copy2 when needed.
3179
3180 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3181
3182         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3183         or LTOPLUGINSONAME if have_c.
3184
3185         * config/freebsd-spec.h: Add comment about what macros can be defined
3186         in this header.
3187         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3188         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3189         here instead.
3190
3191 2012-02-07  Richard Guenther  <rguenther@suse.de>
3192
3193         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3194         newline in -alias dumps.
3195
3196 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3197             Dave Korn  <dave.korn.cygwin@gmail.com>
3198
3199         PR target/40068
3200         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3201         Take care that typinfo gets dllexport-attribute.
3202
3203 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3204
3205         PR middle-end/52074
3206         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3207         if modifier < EXPAND_SUM call force_operand on the result.
3208
3209 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3210
3211         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3212         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3213         present.
3214         (epiphany_function_type): Replace types for specific interrupts with
3215         EPIPHANY_FUNCTION_INTERRUPT.
3216         (EPIPHANY_INTERRUPT_P): Update.
3217         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3218         New static function.
3219         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3220         <disinterrupt>: Affects type identity.
3221         (epiphany_handle_interrupt_attribute): Handle variable number of
3222         arguments.
3223         (epiphany_compute_function_type): Update for new
3224         epiphany_function_type definition.
3225         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3226         handlers with a longcall forwarder.
3227         (epiphany_start_function): Handle multiple interrupt arguments and/or
3228         forwarder_section attribute.
3229
3230         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3231         libgloss.
3232
3233 2012-02-07  Alan Modra  <amodra@gmail.com>
3234
3235         PR target/52107
3236         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3237         subregs of TFmode.
3238
3239 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3240
3241         PR tree-optimization/50969
3242         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3243         use vec_perm rather than vector_stmt.
3244         (vect_model_load_cost): Likewise.
3245         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3246         vec_perm to be the same as other vector statements.
3247         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3248         cost of vec_perm for TARGET_VSX.
3249
3250 2012-02-06  Richard Guenther  <rguenther@suse.de>
3251
3252         PR tree-optimization/52115
3253         * tree-sra.c (access_has_replacements_p): New function.
3254         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3255
3256 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3257
3258         PR middle-end/52047
3259         * trans-mem.c (expand_call_tm): Add an assertion.
3260         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3261         functions.
3262
3263 2012-02-06  Richard Guenther  <rguenther@suse.de>
3264
3265         PR tree-optimization/50955
3266         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3267         raise cost of expressions that replace an address with an
3268         expression based on a different pointer.
3269
3270 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3271
3272         PR target/52129
3273         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3274         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3275
3276 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3277
3278         PR c++/48680
3279         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3280         -Weffc++ and specify guidelines come from second edition.
3281
3282 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3283
3284         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3285         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3286         (call_direct_split, call_value_split, call_value_internal_direct)
3287         (call_value_direct_split, call_value_multiple_split): Use jal and
3288         jal_macro attributes.
3289
3290 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3291
3292         * reload1.c (reload_regs_reach_end_p): Replace with...
3293         (reload_reg_rtx_reaches_end_p): ...this function.
3294         (new_spill_reg_store): Update commentary.
3295         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3296         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3297         before setting new_spill_reg_store.
3298         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3299         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3300         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3301         for non-spill reload registers.
3302
3303 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3304
3305         PR tree-optimization/52091
3306         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3307         (vect_is_simple_use_1): Likewise.
3308         * tree-vect-loop.c (vectorizable_reduction): Update calls
3309         to vect_is_simple_use_1 and vect_is_simple_use.
3310         (vectorizable_live_operation): Likewise.
3311         * tree-vect-patterns.c (widened_name_p,
3312         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3313         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3314         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3315         vectorizable_shift,vectorizable_operation, vectorizable_store,
3316         vectorizable_load): Likewise.
3317         (vect_is_simple_cond): Add an argument, pass it to
3318         vect_is_simple_use_1.
3319         (vectorizable_condition): Update calls to vect_is_simple_cond,
3320         vect_is_simple_use.
3321         (vect_is_simple_use): Add an argument, the statement in which
3322         OPERAND is used.  Check that if OPERAND's def stmt is a double
3323         reduction phi node, the use is a phi node too.
3324         (vect_is_simple_use_1): Add an argument, pass it to
3325         vect_is_simple_use.
3326         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3327         to vect_is_simple_use.
3328
3329 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR rtl-optimization/52095
3332         * modulo-sched.c (dump_insn_locator): New function.
3333         (loop_canon_p, sms_schedule): Use it.
3334
3335         PR rtl-optimization/52113
3336         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3337         even for decomposable shift/zext insns.
3338
3339 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3340             Zdenek Dvorak  <ook@ucw.cz>
3341
3342         PR rtl-optimization/52092
3343         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3344         on get_iv_value result.
3345
3346 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3347
3348         PR middle-end/47982
3349         PR middle-end/43967
3350         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3351
3352 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3353
3354         PR middle-end/48071
3355         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3356
3357 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3358
3359         PR rtl-optimization/49800
3360         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3361         (sched_finish): Call regstat_free_n_sets_and_refs.
3362
3363 2012-02-02  Jia Liu  <proljc@gmail.com>
3364
3365         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3366         than operand 2.
3367
3368 2012-02-02  Jan Hubicka  <jh@suse.cz>
3369             Tom de Vries  <tom@codesourcery.com>
3370
3371         PR middle-end/51998
3372         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3373         * varpool.c (varpool_analyze_pending_decls): Likewise.
3374
3375 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3376             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3377
3378         * config.gcc: Add cr16-* support.
3379
3380         * doc/extend.texi: Document cr16 extensions.
3381         * doc/install.texi: Document cr16 install.
3382         * doc/invoke.texi: Document cr16 options.
3383         * doc/md.texi: Document cr16 constraints.
3384
3385         * common/config/cr16/cr16-common.c: New file.
3386         * config/cr16/cr16.c: New file.
3387         * config/cr16/cr16.h: New file.
3388         * config/cr16/cr16.md: New file.
3389         * config/cr16/cr16.opt: New file.
3390         * config/cr16/cr16-protos.h: New file.
3391         * config/cr16/predicates.md: New file.
3392         * config/cr16/constraints.md: New file.
3393         * config/cr16/t-cr16: New file.
3394
3395 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3396
3397         PR target/52086
3398         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3399         that operands[2] is either immediate, or q_regs_operand.
3400
3401         PR tree-optimization/52073
3402         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3403         a pattern stmt for pattern uses, ignore uses outside of the loop.
3404
3405 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3406
3407         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3408         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3409         (OUT_AS1, OUT_AS2): Remove.
3410
3411 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3412
3413         PR rtl-optimization/51374
3414         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3415         to cross other volatile_refs_p insns.
3416
3417 2012-02-01  Richard Guenther  <rguenther@suse.de>
3418
3419         * doc/invoke.texi (fno-inline): Clarify documentation.
3420         (finline-small-functions): Likewise.
3421         (finline-functions): Likewise.
3422         * common.opt (finline): Adjust comment and documentation.
3423         (finline-small-functions): Clarify documentation.
3424         (finline-functions): Likewise.
3425         (finline-functions-called-once): Likewise.
3426
3427 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3428
3429         * c-typeck.c (composite_type): Keep mode for pointers.
3430
3431 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3432
3433         * function.h (regno_reg_rtx): Adjust comment.
3434         * reginfo.c (init_reg_modes_target): Only use the previous mode
3435         if it fits within one register.  Remove MIPS comment.
3436
3437 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3438
3439         PR bootstrap/52058
3440         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3441
3442 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3443
3444         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3445         to srak instruction.
3446
3447 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3448
3449         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3450
3451 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3452
3453         PR bootstrap/52041
3454         PR bootstrap/52039
3455         PR target/51974
3456         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3457
3458 2012-01-31  Richard Guenther  <rguenther@suse.de>
3459
3460         PR tree-optimization/51528
3461         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3462         assigns.
3463
3464 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3465
3466         PR bootstrap/52041
3467         PR bootstrap/52039
3468         PR target/51974
3469         * ree.c (add_removable_extension): Change def_map argument
3470         to unsigned *, store in def_map 1 + offset into *insn_list vector
3471         instead of pointers into the vector.
3472         (find_removable_extensions): Adjust caller.
3473
3474 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3475
3476         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3477         Transform all "* quoted-c-code" to { c-code }.
3478         Remove redundant test for "optimize" in combine patterns.
3479         Move (include "avr-dimode.md") to end of file.
3480
3481 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3482
3483         PR target/51835
3484         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3485         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3486
3487 2012-01-30  Richard Guenther  <rguenther@suse.de>
3488
3489         PR tree-optimization/52028
3490         * tree-loop-distribution.c (ldist_gen): Properly update
3491         virtual SSA form.
3492
3493 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3494
3495         PR debug/52027
3496         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3497         set_cur_line_info_table if not emitting debug info.
3498
3499         PR tree-optimization/52046
3500         * tree-vect-patterns.c (check_bool_pattern): Give up if
3501         a comparison could throw.
3502
3503         PR debug/52048
3504         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3505
3506 2012-01-30  Richard Guenther  <rguenther@suse.de>
3507
3508         PR tree-optimization/52045
3509         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3510         SSA form if cfgcleanup did anything.
3511
3512 2012-01-30  Richard Guenther  <rguenther@suse.de>
3513
3514         PR tree-optimization/52045
3515         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3516         before computing final todo.
3517
3518 2012-01-30  Richard Guenther  <rguenther@suse.de>
3519
3520         PR tree-optimization/51528
3521         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3522         for PR51528 fix.
3523
3524 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3525
3526         * df-problems.c (df_kill_notes): Check that the use refers
3527         to the note under examination.
3528
3529 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3530
3531         PR target/51920
3532         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3533         parameter and use short-lived pseudos.
3534         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3535         (sparc_expand_vector_init): Const-ify local variables and adjust
3536         calls to above functions.
3537
3538 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3539