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1 2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
2             Steven Bosscher  <steven@gcc.gnu.org>
3             Bernd Schmidt  <bernds@codesourcery.com>
4
5         PR rtl-optimization/53908
6         * df-problems.c (can_move_insns_across): When doing
7         memory-reference book-keeping, handle call insns.
8
9 2012-07-10  Uros Bizjak  <ubizjak@gmail.com>
10
11         Backport from mainline
12         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
13
14         PR target/53811
15         * config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
16         sibcall_insn_operand.  Move it to a temporary register if not.
17
18         2012-07-06  Uros Bizjak  <ubizjak@gmail.com>
19
20         PR target/53853
21         * config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
22         emit PIC sequence for fnaddr symbol reference in advance.
23
24 2012-07-09  Jason Merrill  <jason@redhat.com>
25
26         PR c++/53882
27         * tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
28         (type_hash_eq): Likewise.
29
30         PR c++/53826
31         * tree.c (build_zero_cst): Handle NULLPTR_TYPE.
32
33 2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>
34
35         * combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
36         due to negative shift amount.
37
38 2012-07-06  Kai Tietz  <ktietz@redhat.com>
39
40         Backport from mainline.
41         PR bootstrap/52947
42         * config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
43         as "/mingw/include".
44
45 2012-07-06  Nick Clifton  <nickc@redhat.com>
46
47         * config/mn10300/mn10300.c (mn10300_encode_section_info): Call
48         default_encode_section_info.
49
50 2012-07-06  Richard Guenther  <rguenther@suse.de>
51
52         Backport from mainline
53         2012-03-30  Richard Guenther  <rguenther@suse.de>
54
55         PR middle-end/52786
56         * double-int.c (rshift_double): Remove not needed cast.
57
58         2012-03-28  Richard Guenther  <rguenther@suse.de>
59
60         PR middle-end/50708
61         * double-int.h (rshift_double): Remove.
62         * double-int.c (lshift_double): Use absu_hwi to make count
63         positive.
64         (rshift_double): Make static, take unsigned count argument,
65         remove handling of negative count argument.
66         (double_int_rshift): Dispatch to lshift_double.
67
68 2012-07-06  Richard Guenther  <rguenther@suse.de>
69
70         Backport from mainline
71         2012-06-18  Richard Guenther  <rguenther@suse.de>
72
73         PR tree-optimization/53693
74         * tree-vect-patterns.c (vect_operation_fits_smaller_type):
75         Reject operands with more than one use.
76
77 2012-07-06  Richard Guenther  <rguenther@suse.de>
78
79         Backport from mainline
80         2012-04-11  Richard Guenther  <rguenther@suse.de>
81
82         PR middle-end/52621
83         * tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
84         consider loop nesting.
85         (evolution_function_is_univariate_p): Properly check the remainder
86         for chrecs.
87
88 2012-07-05  Pat Haugen <pthaugen@us.ibm.com>
89
90         Backport from mainline
91         2012-05-24  Pat Haugen <pthaugen@us.ibm.com>
92
93         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
94         rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
95         (adjacent_mem_locations): Move some code to and call...
96         (get_memref_parts): ...new function.
97         (mem_locations_overlap): New function.
98         (rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
99         (is_mem_ref): Rename to...
100         (find_mem_ref): ...this. Return MEM rtx.
101         (get_store_dest): Remove function.
102         (is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
103         new parameter and adjust calls.
104         (rs6000_is_costly_dependence): Update calls for extra arg. Make sure
105         mem refs overlap for true_store_to_load_dep_costly.
106         (rs6000_sched_reorder2): Update calls for extra arg. Adjust args
107         passed to adjacent_mem_locations.
108         (is_costly_group): Walk resolved dependency list.
109         (force_new_group): Emit group ending nop for Power6/Power7.
110         * config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
111         (group_ending_nop): New define_insn.
112
113 2012-07-04  Richard Guenther  <rguenther@suse.de>
114
115         PR middle-end/53433
116         * gimple-fold.c (get_base_constructor): Do not return an
117         error_mark_node DECL_INITIAL.
118
119 2012-07-04  Uros Bizjak  <ubizjak@gmail.com>
120
121         Backport from mainline
122         2012-07-03  Uros Bizjak  <ubizjak@gmail.com>
123
124         * config/i386/i386.c (ix86_option_override_internal): Fix wrong
125         code model string in the error message.
126
127 2012-07-04  Tristan Gingold  <gingold@adacore.com>
128
129         Backport from mainline.
130         2012-06-25  Tristan Gingold  <gingold@adacore.com>
131
132         * config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
133         (seh_cfa_adjust_cfa): ... that function.
134         (seh_emit_stackalloc): Do not emit out of range values.
135         * config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
136         UNSPEC_DEF_CFA constants.
137         * config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
138         * config/i386/i386.c (ix86_frame_pointer_required): Required
139         for very large frames on SEH target.
140         (ix86_compute_frame_layout): Save area is before frame pointer
141         on SEH target.  Handle very large frames.
142         (ix86_expand_prologue): Likewise.
143
144 2012-07-04  Richard Guenther  <rguenther@suse.de>
145
146         * tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
147         as in free_lang_data_in_type.
148
149 2012-07-02  Martin Jambor  <mjambor@suse.cz>
150
151         Backport from mainline.
152         2012-07-02  Martin Jambor  <mjambor@suse.cz>
153
154         PR middle-end/38474
155         * ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
156         dynamic type change check.
157
158 2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>
159
160         * tree-eh.c (lower_try_finally_switch): Really put the location of the
161         last statement of the finally block onto the switch.
162
163 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
164
165         * configure: Regenerate.
166         Backport from mainline.
167         2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
168         * config.gcc (target_type_format_char): New. Document it. Set it for
169         arm*-*-* .
170         * configure.ac (gnu_unique_option): Use target_type_format_char
171         in test.  Comment rationale.
172
173 2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
174
175         Backport from mainline.
176         2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
177         * config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.
178
179 2012-06-28  Georg-Johann Lay  <avr@gjlay.de>
180
181         Backport from 2012-06-28 mainline r189049
182
183         PR 53595
184         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
185         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
186         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
187         avr_hard_regno_call_part_clobbered.
188
189 2012-06-28  Richard Guenther  <rguenther@suse.de>
190
191         PR middle-end/53790
192         * expr.c (expand_expr_real_1): Verify if the type is complete
193         before inspecting its size.
194
195 2012-06-27  Nick Clifton  <nickc@redhat.com>
196
197         * config/rx/rx.md (comparesi3_extend): Remove = modifier from
198         input operand.
199
200 2012-06-26  Alexandre Oliva  <aoliva@redhat.com>
201
202         PR debug/53682
203         * cselib.c (promote_debug_loc): Don't crash on NULL argument.
204
205 2012-06-26  Nick Clifton  <nickc@redhat.com>
206
207         * config/rx/rx.md (simple_return): Use the simple_return rtx.
208
209 2012-06-25  Jakub Jelinek  <jakub@redhat.com>
210
211         PR target/53759
212         * config/i386/sse.md (sse_loadlps): Use x m x constraints instead
213         of x x x in the vmovlps load alternative.
214
215 2012-06-22  Richard Guenther  <rguenther@suse.de>
216
217         * gcov-iov.c: Include bconfig.h and system.h.
218
219 2012-06-22  Richard Guenther  <rguenther@suse.de>
220
221         PR gcov-profile/53744
222         * gcov-iov.c (main): Treat "" and "prerelease" the same.
223
224 2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>
225
226         * tree-ssa-live.c (remove_unused_scope_block_p): Remove again
227         DECL_IGNORED_P non-reg vars even if they are used.
228
229 2012-06-19  Jason Merrill  <jason@redhat.com>
230
231         PR c++/52637
232         * dwarf2out.c (modified_type_die): Use scope_die_for.
233         (gen_type_die_with_usage, dwarf2out_finish): Likewise.
234         (uses_local_type_r, uses_local_type): New.
235         (scope_die_for): Keep a type that uses a local type in local scope.
236         Use get_context_die for namespace and type scope.
237
238 2012-06-19  Richard Guenther  <rguenther@suse.de>
239
240         PR middle-end/53470
241         * tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
242         replace it with the first non-BLOCK context.
243
244 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
245
246         PR rtl-optimization/53700
247
248         Backport from mainline
249         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
250
251         * ira-color.c (setup_left_conflict_sizes_p): Process all
252         conflicting objects.
253
254 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
255
256         Backport from mainline
257         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
258
259         PR target/52908
260         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
261         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
262         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
263         instead of xop_mulv2div2di3_low.
264         (xop_p<macs>dql): Fix vec_select selector.
265         (xop_p<macs>dqh): Ditto.
266         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
267         (xop_mulv2div2di3_high): Ditto.
268
269 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
270
271         Backport from mainline:
272         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
273
274         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
275
276 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
277
278         Backport from mainline:
279         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
280
281         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
282         * config/pa/pa.c (pa_attr_length_millicode_call): Use
283         MAX_PCREL17F_OFFSET instead of fixed offset.
284         (pa_attr_length_call): Likewise.
285         (pa_attr_length_indirect_call): Likewise.
286
287 2012-06-15  Walter Lee  <walt@tilera.com>
288
289         Backport from mainline:
290         2012-06-15  Walter Lee  <walt@tilera.com>
291
292         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
293
294         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
295
296         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
297
298 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
299
300         Backport from mainline:
301
302         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
303         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
304         * gimple.h (block_in_transaction): Check for flag_tm.
305
306 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
307
308         PR tree-optimization/52558
309
310         Backport from mainline:
311         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
312         * gimple.h (gimple_set_in_transaction): Remove.
313         (gimple_in_transaction): Look in BB instead.
314         (gimple_statement_base): Remove in_transaction field.
315         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
316         * trans-mem.c (compute_transaction_bits): Place transaction bit
317         information into basic blocks.
318
319         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
320
321         PR tree-optimization/52558
322         * cfg.c (alloc_aux_for_edge): Fix comment.
323         (alloc_aux_for_edge): Remove static.
324         * basic-block.h (alloc_aux_for_edge): Protoize.
325         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
326         (execute_sm_if_changed_flag): New.
327         (execute_sm_if_changed_flag_set): New.
328         (execute_sm): Do not generate data races unless requested.
329         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
330         (tree_ssa_lim_finalize): Call free_aux_for_edges.
331         * gimple.h (block_in_transaction): New.
332         (gimple_in_transaction): Use block_in_transaction.
333
334 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
335
336         Backported from mainline
337         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
338
339         PR rtl-optimization/53589
340         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
341         discovery even when e->dest != target.  If any LABEL_REF points
342         to e->dest label, redirect it to target's label.
343
344         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
345
346         PR middle-end/53580
347         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
348         returns false, replace stmt with GIMPLE_NOP.
349         (check_omp_nesting_restrictions): Instead of issuing warnings,
350         issue errors and return false if any errors were reported.
351
352 2012-06-14  Richard Guenther  <rguenther@suse.de>
353
354         * BASE-VER: Set to 4.7.2.
355         * DEV-PHASE: Set to prerelease.
356
357 2012-06-12  Christian Bruel  <christian.bruel@st.com>
358
359         PR target/53621
360         * config/sh/sh.c (sh_option_override): Don't force
361          flag_omit_frame_pointer and maccumulate_outgoing_args.
362         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
363
364 2012-06-14  Release Manager
365
366         * GCC 4.7.1 released.
367
368 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
369
370         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
371
372 2012-06-13  Richard Henderson  <rth@redhat.com>
373
374         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
375         iterator instead of INT.
376
377 2012-06-08  Richard Henderson  <rth@redhat.com>
378
379         PR c++/53602
380         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
381         note to a clobber insn when no other insn is available.
382
383 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
384
385         PR c++/53524
386         * doc/invoke.texi (Wenum-compare): Update documentation.
387
388 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
389
390         PR target/53559
391         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
392         operands.
393         (altivec_stvlxl): Ditto.
394         (altivec_stvrx): Ditto.
395         (altivec_stvrxl): Ditto.
396
397 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
398
399         PR middle-end/47530
400         * trans-mem.c (expand_block_edges): Do not skip the first
401         statement when resetting the BB.
402
403 2012-06-04  Richard Guenther  <rguenther@suse.de>
404
405         PR middle-end/53471
406         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
407         create new assembler names.
408
409 2012-06-04  Richard Guenther  <rguenther@suse.de>
410
411         Backport from mainline
412         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
413
414         PR middle-end/52979
415         * stor-layout.c (get_best_mode): Don't return mode with bitsize
416         larger than maxbits.  Don't compute maxbits modulo align.
417         Also check that unit bytes long store at bitpos / unit * unit
418         doesn't affect bits beyond bitregion_end.
419         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
420         would not fit into bitregion_start ... bitregion_end + 1 bit
421         region.
422         (store_split_bit_field): Decrease unit close to end of bitregion_end
423         if access is restricted in order to avoid mutual recursion.
424
425 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
426
427         Backport from 2012-06-04 mainline r188172
428
429         PR target/46261
430         * config/avr/avr-stdint.h: New file.
431         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
432         newlib-stdint.h
433
434 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
435
436         PR tree-optimization/53550
437         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
438         is POINTER_TYPE_P, use sizetype as step type instead of type.
439
440 2012-06-04  Richard Guenther  <rguenther@suse.de>
441             Eric Botcazou  <ebotcazou@adacore.com>
442
443         Backport from mainline
444         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
445
446         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
447         Change type of BITOFFSET to signed.  Make sure the lower bound of
448         the computed range is non-negative by adjusting OFFSET and BITPOS.
449         (expand_assignment): Adjust call to get_bit_range.
450
451         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
452
453         * expr.c (get_bit_range): Return the null range if the enclosing record
454         is part of a larger bit field.
455
456         2012-03-20  Richard Guenther  <rguenther@suse.de>
457
458         * stor-layout.c (finish_bitfield_representative): Fallback
459         to conservative maximum size if the padding up to the next
460         field cannot be computed as a constant.
461         (finish_bitfield_layout): If we cannot compute the distance
462         between the start of the bitfield representative and the
463         bitfield member start a new representative.
464         * expr.c (get_bit_range): The distance between the start of
465         the bitfield representative and the bitfield member is zero
466         if the field offsets are not constants.
467
468         2012-03-16  Richard Guenther  <rguenther@suse.de>
469
470         * stor-layout.c (finish_bitfield_representative): Fall back
471         to the conservative maximum size if we cannot compute the
472         size of the tail padding.
473
474         2012-03-14  Richard Guenther  <rguenther@suse.de>
475
476         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
477         * stor-layout.c (start_bitfield_representative): New function.
478         (finish_bitfield_representative): Likewise.
479         (finish_bitfield_layout): Likewise.
480         (finish_record_layout): Call finish_bitfield_layout.
481         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
482         for QUAL_UNION_TYPE fields.
483         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
484         Stream DECL_BIT_FIELD_REPRESENTATIVE.
485         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
486
487         PR middle-end/52080
488         PR middle-end/52097
489         PR middle-end/48124
490         * expr.c (get_bit_range): Unconditionally extract bitrange
491         from DECL_BIT_FIELD_REPRESENTATIVE.
492         (expand_assignment): Adjust call to get_bit_range.
493
494 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
495
496         PR middle-end/53501
497         * fold-const.c (fold_binary_loc): Refine previous change.
498
499 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
500
501         Backport from mainline
502         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
503
504         PR target/52667
505         * config/sh/sh.c (find_barrier): Add equality check of last_got to
506         avoid going above orig insn.  Update comments.
507
508 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
509
510         Backport from mainline
511         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
512
513         PR target/52642
514         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
515         prologue for unwinder and profiler.
516
517 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
518
519         Backport from mainline
520         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
521
522         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
523
524 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
525
526         Backport from mainline
527         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
528
529         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
530         DBX_REGISTER_NUMBER.
531
532 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
533
534         Backport from mainline
535         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
536
537         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
538         operand is CONST_INT.  Take COSTS_N_INSNS into account.
539         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
540         shiftcosts.     
541
542 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
543
544         * config/avr/avr.opt (-msp8): Document it.
545         * doc/invoke.texi (AVR Options): Copy from trunk docu.
546
547 2012-05-31  Richard Guenther  <rguenther@suse.de>
548
549         PR middle-end/48493
550         * expr.c (expand_assignment): Do not use movmisalign on
551         non-memory.
552
553 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
554
555         PR target/52999
556         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
557         (pa_section_type_flags): New.
558         (pa_legitimate_constant_p): Revert previous change.
559
560 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
561
562         Backport from mainline
563         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
564
565         PR middle-end/53008
566         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
567         accessed indirectly.
568         (ipa_tm_create_version): Same.
569
570 2012-05-30  Jason Merrill  <jason@redhat.com>
571
572         PR c++/53220
573         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
574         about array compound literals.
575
576 2012-05-30  Richard Guenther  <rguenther@suse.de>
577
578         PR middle-end/53501
579         * fold-const.c (fold_binary_loc): Make sure to call
580         fold_plusminus_mult_expr with the original sign of operands.
581
582 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
583
584         * explow.c (probe_stack_range): Restore simple control flow and stop
585         again when the probe cannot be generated if HAVE_check_stack.
586
587 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
588
589         PR rtl-optimization/53519
590         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
591         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
592
593 2012-05-29  Richard Guenther  <rguenther@suse.de>
594
595         PR tree-optimization/53516
596         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
597         bitfield accesses.
598         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
599
600 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
601
602         Backport from mainline
603         2012-05-28  Richard Guenther  <rguenther@suse.de>
604
605         PR tree-optimization/53438
606         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
607
608 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
609
610         Backport from mainline
611         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
612
613         PR rtl-optimization/52528
614         * combine.c (can_combine_p): Add setting of subst_low_luid
615         before call to expand_field_assignment().
616
617 2012-05-26  Martin Jambor  <mjambor@suse.cz>
618
619         Backport from mainline
620         2012-05-23  Martin Jambor  <mjambor@suse.cz>
621
622         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
623
624 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
625
626         PR lto/52178
627         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
628         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
629
630 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
631
632         PR target/53435
633         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
634         (ix86_expand_vec_perm): Use int mode instead of float.
635
636 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
637
638         PR ada/52362
639         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
640         gnu_ld variables to yes.
641         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
642         (HAVE_GNU_AS): Likewise.
643         * config.in: Regenerate.
644         * configure: Likewise.
645
646 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
647
648         Backport from mainline
649         2012-03-12  Richard Guenther  <rguenther@suse.de>
650         * config/arm/arm.c (neon_dereference_pointer): Do not call
651         covert during RTL expansion.
652
653 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
654
655         Backport from mainline
656         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
657
658         PR target/53385
659         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
660         relied on signed overflow behavior.
661
662 2012-05-24  Richard Guenther  <rguenther@suse.de>
663
664         PR middle-end/53460
665         * tree-profile.c (tree_profiling): Cleanup the CFG if
666         execute_fixup_cfg requests it.
667
668 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
669
670         PR tree-optimization/53465
671         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
672         vr0 into *vr, then vrp_meet that.
673         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
674         have any equivalences.
675         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
676         first time.
677
678 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
679
680         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
681         size handling.
682         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
683         (iterative_hash_gimple_type): Adjust comment.
684         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
685         domain for an array type instead of the domain type itself.
686
687 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
688
689         Backport from 2012-05-23 mainline r187803
690
691         PR target/53448
692         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
693         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
694         ASM_OUTPUT_ALIGN.
695
696 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
697
698         Backport from 2012-05-03 mainline r187075
699
700         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
701         has_fma4 for AMD processors with both fma3 and fma4 support.
702
703 2012-05-22  Richard Guenther  <rguenther@suse.de>
704
705         PR tree-optimization/53408
706         * tree-vect-loop.c (vectorizable_induction): Properly check
707         the restriction that we cannot handle induction results from
708         the inner loop outside of the outer loop.
709
710 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
711
712         PR tree-optimization/53436
713         * omp-low.c (omp_build_component_ref): New function.
714         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
715
716         PR tree-optimization/53366
717         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
718         tests if complex_numbers == 2, but there are non-complex number loads
719         too.
720
721         PR tree-optimization/53409
722         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
723         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
724
725         PR tree-optimization/53410
726         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
727         instead of build_int_cst (type, 0) where vector types might be
728         involved.
729
730 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
731
732         PR c/53418
733         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
734         from folded operands before wrapping another around the
735         conditional expression.
736
737 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
738             Patrick Marlier  <patrick.marlier@gmail.com>
739
740         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
741         indirect calls.
742
743 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
744
745         Backport from mainline
746         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
747
748         PR target/53416
749         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
750         (UNSPECV_RDRAND): This.
751         (rdrand<mode>_1): Updated.
752
753 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
754
755         Backport from mainline
756         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
757
758         * config/i386/driver-i386.c (host_detect_local_cpu): Support
759         RDRND, F16C and FSGSBASE.
760
761 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
762
763         Backport from mainline
764         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
765
766         * tree-ssa-pre.c (can_value_number_call): Delete.
767         (compute_avail): Skip all statements with side effects.
768         <GIMPLE_CALL>: Skip calls to internal functions.
769
770 2012-05-18  David S. Miller  <davem@davemloft.net>
771
772         Backport r185385 from mainline
773         2012-03-14  Richard Guenther  <rguenther@suse.de>
774
775         PR middle-end/52584
776         * tree-vect-generic.c (type_for_widest_vector_mode): Take
777         element type instead of mode, use build_vector_type_for_mode
778         instead of the langhook, build a vector of proper signedness.
779         (expand_vector_operations_1): Adjust.
780
781 2012-05-18  Olivier Hainque  <hainque@adacore.com>
782
783         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
784         $(libsubdir) as libexecsubdir.
785
786 2012-05-16  Andrew Pinski  <apinski@cavium.com>
787
788         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
789         GIMPLE_ASSIGN.
790
791 2012-05-16  David S. Miller  <davem@davemloft.net>
792
793         * jump.c (delete_related_insns): If we remove a CALL, make sure
794         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
795
796 2012-05-16  Richard Henderson  <rth@redhat.com>
797
798         PR debug/52727
799         * combine-stack-adj.c (prev_active_insn_bb): New.
800         (next_active_insn_bb): New.
801         (force_move_args_size_note): New.
802         (combine_stack_adjustments_for_block): Use it.
803
804 2012-05-16  Olivier Hainque  <hainque@adacore.com>
805
806         * Makefile.in (install-no-fixedincludes): New target, former toplevel
807         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
808         Add comments and improve stamp preservation across the whole sequence.
809         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
810
811 2012-05-16  Richard Guenther  <rguenther@suse.de>
812
813         PR tree-optimization/53364
814         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
815         detect a view-conversion of the decl.
816
817 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
818
819         PR target/53358
820         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
821         that operands[2] is either immediate, or q_regs_operand.
822
823 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
824
825         Backport r187139 from mainline.
826         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
827
828         PR rtl-optimization/52804
829         * reload1.c (reload_reg_reaches_end_p): Check whether successor
830         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
831         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
832         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
833         RELOAD_FOR_OUTADDR_ADDRESS.
834
835 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
836
837         PR target/46098
838         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
839         generate target register for "load" class builtins.
840
841         Revert:
842         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
843
844         PR target/46098
845         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
846         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
847         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
848         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
849         (<sse>_movu<ssemodesuffix>): New expander.
850         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
851         (avx_movdqu<avxmodesuffix>): New expander.
852         (*sse2_movdqu): Rename from sse2_movdqu.
853         (sse2_movdqu): New expander.
854
855 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
856
857         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
858         lineno 1 the same as lineno 0 before first start file directive.
859         (optimize_macinfo_range): Likewise.
860
861         * dwarf2out.c (have_macinfo): Define.
862         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
863         attribute, don't force empty compilation unit and don't emit any
864         .debug_macinfo/.debug_macro section if macinfo_table is empty.
865
866 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
867
868         Backport from mainline
869         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
870
871         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
872         ORDERED and UNORDERED conditions.
873
874 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
875
876         * function.c (requires_stack_frame_p): If the function can throw
877         non-call exceptions, return true if the insn can throw internally.
878
879 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
880
881         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
882         DECL_ORIGINAL_TYPE if it is present.
883
884 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
885
886         Backport from 2012-05-12 mainline r187342.
887
888         PR target/53256
889         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
890         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
891         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
892         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
893         (expand_prologue): Move initialization of cfun->machine->is_naked,
894         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
895         (avr_set_current_function): ...this new static function.
896         (TARGET_SET_CURRENT_FUNCTION): New define.
897         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
898         checking attributes of current_function_decl.
899         (avr_regs_to_save): Ditto.
900         (signal_function_p): Rename to avr_signal_function_p.
901         (interrupt_function_p): Rename to avr_interrupt_function_p.
902
903         * doc/extend.texi (Function Attributes): Better explanation of
904         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
905         alphabetical order.
906
907 2012-05-09  Matthias Klose  <doko@ubuntu.com>
908
909         * gcc-ar.c (main): Don't check for execute bits for the plugin.
910
911 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
912
913         PR target/53272
914         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
915         when a constant source operand matches an "I" constraint, the "no
916         CC0 change" applies to a register-destination only, not a
917         strict_low_part-destination.
918
919 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
920
921         Backport from mainline:
922         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
923
924         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
925
926 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
927
928         PR tree-optimization/53239
929         * tree-vrp.c (get_value_range): Set VR of
930         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
931         to nonnull.
932
933 2012-05-07  Richard Guenther  <rguenther@suse.de>
934
935         PR tree-optimization/53195
936         * tree-inline.c (setup_one_parameter): Properly add referenced
937         vars from the parameters new known value.
938
939 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
940
941         Backport from mainline:
942         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
943
944         PR target/52999
945         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
946         in constant pool.
947
948 2012-05-04  Ian Lance Taylor  <iant@google.com>
949
950         * tree-vect-patterns.c (vect_single_imm_use): Correct return
951         values from false to NULL.
952
953 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
954
955         Backport from mainline
956         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
957
958         PR target/53228
959         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
960         (TARGET_CMOV): Rename from TARGET_CMOVE.
961         (TARGET_CMOVE): New define.
962         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
963         Do not set TARGET_CMOVE here.
964
965 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
966
967         Backport from mainline:
968
969         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
970
971         PR tree-optimization/52633
972         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
973         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
974         (vect_recog_over_widening_pattern): Remove handling of code that was
975         already detected as over-widening pattern.  Remove special handling
976         of "unsigned" cases.  Instead, support general case of conversion
977         of the shift result to another type.
978
979         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
980
981         * tree-vect-patterns.c (vect_single_imm_use): New function.
982         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
983         (vect_recog_over_widening_pattern): Likewise.
984         (vect_recog_widen_shift_pattern): Likewise.
985
986         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
987
988         PR tree-optimization/52870
989         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
990         presumed pattern statement is within the same loop or basic block.
991
992 2012-05-04  Richard Guenther  <rguenther@suse.de>
993
994         * common.opt (flto-report): Do not mark as Optimization.
995
996 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
997
998         PR target/48496
999         * recog.c (constrain_operands): If extra constraints are present, also
1000         accept pseudo-registers with equivalent memory locations during reload.
1001
1002 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1003
1004         Backport from the mainline
1005         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
1006
1007         PR target/53199
1008         * config/rs6000/rs6000.md (bswapdi splitters): If
1009         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
1010         default) is used, generate an alternate sequence that does not
1011         depend on using indexed addressing.
1012
1013 2012-05-03  David S. Miller  <davem@davemloft.net>
1014
1015         PR target/52684
1016         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
1017         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
1018         (sparc_emit_float_lib_cmp): Likewise.
1019
1020 2012-05-04  Martin Jambor  <mjambor@suse.cz>
1021
1022         Backport from mainline
1023         2012-05-02  Martin Jambor  <mjambor@suse.cz>
1024
1025         PR lto/52605
1026         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
1027         of a variable when the contect is a function.
1028
1029 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
1030
1031         PR plugins/53126
1032         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
1033         append program name to it and pass that as first argument
1034         to make_relative_prefix.  Always pass standard_libexec_prefix
1035         as last argument to make_relative_prefix.  If
1036         make_relative_prefix returns NULL, fall back to
1037         standard_libexec_prefix.
1038
1039         PR debug/53174
1040         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
1041         removed.
1042
1043         PR target/53187
1044         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
1045         mode, return that mode.
1046
1047 2012-05-03  Richard Guenther  <rguenther@suse.de>
1048
1049         PR tree-optimization/53144
1050         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
1051         Rename to ...
1052         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
1053         with SSA name values.
1054         (vn_reference_lookup_3): Adjust callers.
1055
1056 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
1057
1058         PR tree-optimization/53163
1059         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
1060         return value from compute_all_dependences.
1061
1062         PR rtl-optimization/53160
1063         * ree.c (combine_reaching_defs): Handle the case where cand->insn
1064         has been modified by ree pass already.
1065
1066 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
1067
1068         Backport from mainline
1069         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1070
1071         PR middle-end/53136
1072         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
1073         calls to cgraph_node_name in xstrdup.
1074         (ipa_make_edge_direct_to_target): Ditto.
1075         * tree-sra.c (convert_callers_for_node): Ditto.
1076         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
1077         * ipa-cp.c (perhaps_add_new_callers): Ditto.
1078         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1079         (cgraph_materialize_all_clones): Ditto.
1080         * ipa-inline.c (report_inline_failed_reason): Ditto.
1081         (want_early_inline_function_p): Ditto.
1082         (edge_badness): Ditto.
1083         (update_edge_key): Ditto.
1084         (flatten_function): Ditto.
1085         (ipa_inline): Ditto.
1086         (inline_always_inline_functions): Ditto.
1087         (early_inline_small_functions): Ditto.
1088
1089 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
1090
1091         Backport from mainline
1092         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
1093
1094         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
1095         Introduce emul_name to select the right linker emulation for
1096         powerpc64-*-freebsd*.
1097         * configure: Regenerate.
1098         * config.gcc: Add bits to support powerpc64-*-freebsd*.
1099         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
1100         * config/rs6000/freebsd64.h: New file.
1101         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
1102         POWERPC_FREEBSD.
1103         (rs6000_savres_strategy): Likewise.
1104         (rs6000_savres_routine_name): Likewise.
1105         (rs6000_elf_file_end): Likewise.
1106         * config/rs6000/t-freebsd64: New file.
1107         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
1108         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
1109
1110 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
1111
1112         Backport from mainline
1113         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
1114
1115         PR target/53138
1116         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
1117
1118 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1119
1120         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
1121         predicate to discriminate types.
1122
1123 2012-04-27  Richard Guenther  <rguenther@suse.de>
1124
1125         PR c/51527
1126         * convert.c (convert_to_integer): Avoid infinite recursion for
1127         target-defined built-in types.
1128
1129 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
1130
1131         PR target/53120
1132         * config/cris/cris.md ("*andhi_lowpart_v32")
1133         ("*andqi_lowpart_v32"): Change first input-only operand from
1134         a (match_operand ...) to (match_dup 0).  Drop alternatives with
1135         const_int-matching constraints for redundancy.
1136         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
1137         three-operand alternative.
1138
1139 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
1140
1141         Backport from mainline
1142         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
1143
1144         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
1145         (*addsi_2_zext): Ditto.
1146         (*add<mode>_3): Ditto.
1147         (*addsi_3_zext): Ditto.
1148         (*add<mode>_5): Ditto.
1149
1150 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
1151
1152         PR c/52880
1153         * c-typeck.c (set_nonincremental_init,
1154         set_nonincremental_init_from_string): Pass true instead of false
1155         as IMPLICIT to add_pending_init.
1156
1157 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
1158
1159         Backport from 2012-04-24 mainline r186768.
1160
1161         PR target/53065
1162         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
1163
1164 2012-04-24  Richard Guenther  <rguenther@suse.de>
1165
1166         PR tree-optimization/53085
1167         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
1168         stores.
1169
1170 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
1171
1172         PR middle-end/53084
1173         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
1174         of MEM_REF.
1175         (output_addressed_constants): Likewise.
1176
1177         PR middle-end/52999
1178         * varasm.c (get_section): Don't ICE for section conflicts with
1179         built-in section kinds.
1180
1181 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
1182
1183         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
1184
1185 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
1186
1187         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
1188
1189 2012-04-23  Richard Guenther  <rguenther@suse.de>
1190
1191         PR c/53060
1192         * c-typeck.c (build_binary_op): Fix typo.
1193
1194 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
1195
1196         PR tree-optimizations/52891
1197         * tree-vect-patterns.c (adjust_bool_pattern): Use
1198         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
1199         but with non-standard precision.
1200
1201 2012-04-22  Ian Lance Taylor  <iant@google.com>
1202
1203         * godump.c (go_output_typedef): Dump size of structs.
1204
1205 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
1206
1207         Backport from mainline:
1208
1209         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
1210         hints for 'A' operand types.
1211
1212 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
1213
1214         Backport from 2012-04-19 mainline r186588.
1215
1216         PR target/53033
1217         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
1218         the case *(X+const).
1219
1220 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
1221
1222         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
1223
1224 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
1225
1226         PR target/53020
1227         * config/i386/sync.md (atomic_<code><mode>): Rename to
1228         atomic_<logic><mode>.
1229
1230 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
1231
1232         Backport from mainline
1233         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
1234
1235         PR target/52932
1236         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
1237         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
1238         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
1239         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
1240         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
1241         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
1242         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1243         gen_avx2_permvarv8sf.
1244
1245 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1246
1247         Backported from mainline
1248
1249         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1250         PR middle-end/52939
1251
1252         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1253         fold_ctor_reference returns a zero constant.
1254
1255 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1256
1257         Backported from mainline
1258         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1259
1260         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1261         and __ILP32__ for x32.
1262
1263 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1264
1265         Backport from mainline r186418.
1266
1267         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1268
1269         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1270         parameters vuse and vuse_escaped.
1271         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1272         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1273         vuse1 != vuse2.
1274
1275 2012-04-13  Richard Guenther  <rguenther@suse.de>
1276
1277         PR tree-optimization/52969
1278         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1279         the condition for the COND_EXPR and handle predicate negation
1280         by swapping the COND_EXPR arms.
1281
1282 2012-04-13  Richard Guenther  <rguenther@suse.de>
1283
1284         PR c/52862
1285         * convert.c (convert_to_pointer): Remove special-casing of
1286         zero.
1287
1288 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1289
1290         Backport from mainline
1291         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1292
1293         PR target/52775
1294         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1295         the list of options to enable the FCFID instruction.
1296         (TARGET_EXTRA_BUILTINS): Adjust comment.
1297
1298 2012-04-12  Richard Guenther  <rguenther@suse.de>
1299
1300         PR tree-optimization/52943
1301         * tree-chrec.h (chrec_is_positive): Remove.
1302         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1303         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1304         Return false for a constant zero instead of negative.
1305         (analyze_siv_subscript_cst_affine): Handle zero difference
1306         in the initial condition explicitely.
1307
1308 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1309
1310         PR middle-end/52894
1311         * varasm.c (process_pending_assemble_externals): Set
1312         pending_assemble_externals_processed true.
1313         (assemble_external): Call assemble_external_real if the pending
1314         assemble externals have been processed.
1315
1316 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1317
1318         PR target/52717
1319         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1320         the DECL generated for the special GOT helper.
1321
1322 2012-04-06  Walter Lee  <walt@tilera.com>
1323
1324         Backport from mainline
1325         2012-03-07  Walter Lee  <walt@tilera.com>
1326
1327         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1328         REG_CFA_* notes for the stack pointer.
1329         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1330         EH_RETURN_STACKADJ_RTX.
1331         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1332         generate REG_CFA_* notes for the stack pointer.
1333         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1334         by EH_RETURN_STACKADJ_RTX.
1335
1336 2012-04-06  Matt Turner  <mattst88@gmail.com>
1337
1338         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1339
1340 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1341
1342         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1343         of the destination isn't also a FP_REGS register.
1344
1345 2012-04-03  Richard Guenther  <rguenther@suse.de>
1346
1347         Backport from mainline
1348         2012-03-02  Richard Guenther  <rguenther@suse.de>
1349
1350         PR tree-optimization/52406
1351         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1352         (struct indices): Add unconstrained_base member.
1353         (struct dr_alias): Remove unused vops member.
1354         (DR_UNCONSTRAINED_BASE): New define.
1355         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1356         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1357         be an artificial access that covers the whole indexed object,
1358         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1359         plain decl base-objects to their MEM_REF variant.
1360         (dr_may_alias_p): When the base-object of either data reference
1361         has unknown size use only points-to information.
1362         (compute_affine_dependence): Make dumps easier to read and
1363         more verbose.
1364         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1365         DR_REF when looking for packed references.
1366         (vect_supportable_dr_alignment): Likewise.
1367
1368 2012-04-03  Richard Guenther  <rguenther@suse.de>
1369
1370         Backport from mainline
1371         2012-03-15  Richard Guenther  <rguenther@suse.de>
1372
1373         PR middle-end/52580
1374         * tree-data-ref.c (subscript_dependence_tester_1): Check
1375         all dimensions for non-conflicting access functions.
1376
1377 2012-04-03  Richard Guenther  <rguenther@suse.de>
1378
1379         Backport from mainline
1380         2012-03-06  Richard Guenther  <rguenther@suse.de>
1381
1382         PR middle-end/52493
1383         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1384
1385         2012-03-23  Richard Guenther  <rguenther@suse.de>
1386
1387         PR tree-optimization/52678
1388         * tree-vectorizer.h (struct _stmt_vec_info): Add
1389         loop_phi_evolution_part member.
1390         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1391         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1392         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1393         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1394         Use the cached evolution part and the PHI nodes value from
1395         the loop preheader edge instead of re-analyzing the evolution.
1396
1397         2012-03-26  Richard Guenther  <rguenther@suse.de>
1398
1399         PR tree-optimization/52701
1400         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1401         compute and set the evolution part of PHI nodes.
1402
1403         2012-03-30  Richard Guenther  <rguenther@suse.de>
1404
1405         PR tree-optimization/52754
1406         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1407         propagate arbitrary addresses into really plain dereferences.
1408
1409 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1410
1411         PR tree-optimization/52835
1412         * tree-data-ref.c (build_rdg): Return NULL if
1413         compute_data_dependences_for_loop failed.
1414
1415 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1416
1417         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1418         (stmt_can_make_abnormal_goto): Use it.
1419         (is_ctrl_altering_stmt): Likewise.
1420
1421 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1422
1423         Backported from mainline
1424         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1425
1426         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1427         is a builtin_stack_save in a dominating BB.
1428
1429 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1432         crossing 128bit lane boundary.
1433
1434 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1435
1436         Backported from mainline
1437         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1438
1439         PR target/52698
1440         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1441         New prototype.
1442         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1443         * config/i386/i386.c: Include reload.h.
1444         (ix86_legitimize_reload_address): New function.
1445
1446 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1447
1448         Backported from mainline
1449         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1450
1451         PR middle-end/52693
1452         * tree-sra.c (sra_modify_assign): Do not call
1453         load_assign_lhs_subreplacements when working with an unscalarizable
1454         region.
1455
1456 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1457
1458         PR middle-end/52691
1459         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1460         __builtin_va_start to __builtin_next_arg if the latter is
1461         builtin_decl_explicit_p rather than when it is not.
1462
1463         PR middle-end/52750
1464         * tree-vect-generic.c (vector_element): Perform multiplication
1465         for pos in bitsizetype type instead of idx type.
1466
1467 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1468
1469         Backport from 2012-03-28 mainline r185910.
1470
1471         PR target/52692
1472         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1473         (avr_builtin_decl): New static function.
1474         (struct avr_builtin_description, avr_bdesc): Move up.
1475         Add GTY marker. Add field fndecl. Remove redundant field id.
1476         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1477         (avr_expand_builtin): Code cleanup because .id is removed.
1478
1479 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1480
1481         PR middle-end/51893
1482         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1483         targets.
1484
1485 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1486
1487         Backport from 2012-03-28 mainline r185907.
1488
1489         PR target/52737
1490         * config.gcc (tm_file): Remove avr/multilib.h.
1491
1492         * doc/invoke.texi (AVR Options): Adjust
1493         documentation of -mtiny-stack.
1494
1495         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1496         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1497         * config/avr/t-avr: Remove generation of multilib.h.
1498         * config/avr/t-multilib: Regenerate.
1499         * config/avr/multilib.h: Remove.
1500         * config/avr/avr.opt (-msp8): New option.
1501         (avr_sp8): New variable.
1502         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1503         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1504         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1505         (avr_device_to_sp8): New prototype.
1506         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1507         (DRIVER_SELF_SPECS): New define.
1508         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1509         __AVR_SP8__, __AVR_HAVE_SPH__.
1510         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1511         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1512         (avr_file_start): Ditto.
1513
1514 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1515
1516         PR target/52736
1517         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1518         instead of 8 in adjust_address.
1519
1520 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1521
1522         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1523         of a unit before computing the offset in units.
1524
1525 2012-03-27  Richard Guenther  <rguenther@suse.de>
1526
1527         PR middle-end/52720
1528         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1529         explicitely.
1530
1531 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1532
1533         PR target/52610
1534         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1535
1536 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1537
1538         PR middle-end/52640
1539         * varasm.c: Include pointer-set.h.
1540         (pending_assemble_externals_set): New pointer set.
1541         (process_pending_assemble_externals): Destroy the pointer set.
1542         (assemble_external): See if decl is in pending_assemble_externals_set,
1543         and add it to pending_assemble_externals if necessary.
1544         (init_varasm_once): Allocate pending_assemble_externals_set.
1545
1546 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1547
1548         Backported from mainline
1549         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1550
1551         PR target/50310
1552         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1553         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1554         (vector_ltgt<mode>): Likewise.
1555         (vector_ordered<mode>): Likewise.
1556         (vector_unordered<mode>): Likewise.
1557         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1558
1559 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1560
1561         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1562         Make static.
1563
1564 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1565
1566         Backported from mainline
1567         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1568
1569         PR target/48596
1570         PR target/48806
1571         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1572         GENERAL_REGS and FP_REGS for SImode.
1573
1574 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR middle-end/52547
1577         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1578         on any new_local_var_chain vars declared during recursing on
1579         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1580
1581 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1582
1583         Backport from 2012-03-22 mainline r185692.
1584
1585         PR target/52496
1586         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1587         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1588         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1589         (delay_cycles_1, delay_cycles_2): Ditto.
1590         (delay_cycles_3, delay_cycles_4): Ditto.
1591         (nopv, *nopv): Ditto.
1592         (sleep, *sleep): Ditto.
1593         (wdr, *wdr): Ditto.
1594
1595         Backport from 2012-03-21 mainline r185605.
1596
1597         PR rtl-optimization/52543
1598         PR target/52461
1599         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1600         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1601         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1602         (avr_load_libgcc_p): Restrict to __flash loads.
1603         (avr_out_lpm): Only handle 1-byte loads from __flash.
1604         (avr_load_lpm): New function.
1605         (avr_find_unused_d_reg): Remove.
1606         (avr_out_lpm_no_lpmx): Remove.
1607         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1608         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1609         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1610         (load_<mode>, load_<mode>_clobber): New insns.
1611         (mov<mode>): For multi-byte move from non-generic
1612         16-bit address spaces: Expand to load_<mode> resp.
1613         load_<mode>_clobber.
1614         (load<mode>_libgcc): Remove expander.
1615         (split-lpmx): Remove split.
1616
1617         Backport from 2012-03-13 mainline r185329.
1618
1619         PR target/52488
1620         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1621         offset (size) to a value the insns can deal with.
1622         (expand_epilogue): Ditto.
1623
1624         Backport from 2012-03-12 mainline r185256.
1625
1626         PR target/52499
1627         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1628         type from reg_class_t to enum reg_class.
1629         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1630
1631         Backport from 2012-03-12 mainline r185253.
1632
1633         PR target/52148
1634         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1635         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1636         r184615 from 2012-02-28.
1637
1638         Backport from 2012-03-08 mainline r185105.
1639
1640         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1641         for constants in [-63,63].
1642
1643         Backport from 2012-03-08 mainline r185100.
1644
1645         PR target/52496
1646         * config/avr/avr.c (avr_mem_clobber): New static function.
1647         (avr_expand_delay_cycles): Add memory clobber operand to
1648         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1649         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1650         (enable_interrupt, disable_interrupt): New expander.
1651         (nopv, sleep, wdr): New expanders.
1652         (delay_cycles_1): Add memory clobber.
1653         (delay_cycles_2): Add memory clobber.
1654         (delay_cycles_3): Add memory clobber.
1655         (delay_cycles_4): Add memory clobber.
1656         (cli_sei): New insn from former "enable_interrupt",
1657         "disable_interrupt" with memory clobber.
1658         (*wdt): New insn from former "wdt" with memory clobber.
1659         (*nopv): Similar, but for "nopv".
1660         (*sleep): Similar, but for "sleep".
1661
1662         Backport from 2012-03-07 mainline r185043.
1663
1664         PR target/52484
1665         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1666
1667         Backport from 2012-03-07 mainline r185032.
1668
1669         PR target/52506
1670         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1671         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1672         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1673
1674         Backport from 2012-03-07 mainline r185031.
1675
1676         PR target/52505
1677         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1678         from RAM.
1679         * config/avr/avr.md (xload_8): Adjust insn length.
1680
1681         Backport from 2012-03-07 mainline r185030.
1682
1683         PR target/52461
1684         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1685         if RAMPZ affects reading from RAM.
1686
1687         Backport from 2012-03-05 mainline r184919.
1688
1689         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1690
1691 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1692
1693         Backport from mainline r185259.
1694
1695         PR other/52545
1696         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1697         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1698
1699 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1700
1701         Backported from mainline
1702         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1703
1704         PR c/52577
1705         * c-parser.c (c_parser_postfix_expression)
1706         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1707
1708         * config/i386/smmintrin.h: Avoid /* within a comment.
1709         * config/i386/nmmintrin.h: Likewise.
1710
1711 2012-03-22  Richard Guenther  <rguenther@suse.de>
1712
1713         * BASE-VER: Set to 4.7.1.
1714         * DEV-PHASE: Set to prerelease.
1715
1716 2012-03-22  Release Manager
1717
1718         * GCC 4.7.0 released.
1719
1720 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1721
1722         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1723
1724 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1725             Andrew Pinski  <apinski@cavium.com>
1726
1727         PR middle-end/52592
1728         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1729         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1730         calls instead of __builtin_ir{int,ound}*.
1731
1732 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1733
1734         PR c++/52582
1735         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1736         if c_node is NULL.
1737
1738 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1739
1740         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1741         Refer to GCC 4.7 version of c99status.html.
1742
1743 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1744
1745         Backport from mainline
1746         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1747
1748         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1749         redefine to be NULL if the current bit-size is different from the
1750         configured bit-size.
1751
1752         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1753         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1754         set the default tuning.  Add asserts to make sure the cpu and tune
1755         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1756         test whether the index is set, instead of > 0.
1757         (rs6000_file_start): Do not reset the default cpu if the current
1758         bit-size is different from the configured bit-size.
1759
1760 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1761
1762         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1763         binutils reference.
1764         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1765         Update binutils references.
1766         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1767         Update binutils reference.
1768         Update Sun as/GNU ld caveat.
1769         Document binutils largefile requirement for LTO plugin.
1770         Remove reference to alternate libpthread.
1771
1772 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1773
1774         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1775         reference.
1776         (Specific, mips-sgi-irix6): Likewise.
1777
1778 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1779
1780         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1781         * configure: Regenerate.
1782
1783 2012-03-07  Richard Henderson  <rth@redhat.com>
1784
1785         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1786         * config/m68k/sync.md (atomic_test_and_set): Use it.
1787         (atomic_test_and_set_1): Likewise.
1788
1789 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1790
1791         PR target/51417
1792         * Makefile.in: Let install-gcc-ar depend on installdirs,
1793         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1794         Don't double canonicalize if cross-compiling.
1795
1796 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1797
1798         * trans-mem.c: New typedef for tm_region_p.
1799         Define vector types for tm_region_p.
1800         (tm_region_init): Replace region_worklist to a vector called
1801         bb_regions.
1802
1803 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1804
1805         PR middle-end/52463
1806         * trans-mem.c (tm_region_init): Use last_basic_block.
1807
1808 2012-03-05  Richard Henderson  <rth@redhat.com>
1809
1810         PR tree-opt/52242
1811         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1812         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1813         BIGGEST_ALIGNMENT is aligned.
1814
1815 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1816
1817         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1818
1819 2012-03-05  Richard Henderson  <rth@redhat.com>
1820
1821         PR target/52481
1822         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1823         instead of calling negqi2 directly.
1824
1825 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1826
1827         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1828         (INTMAX_TYPE): Use it.
1829         (UINTMAX_TYPE): Likewise.
1830         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1831         (irix6_c_common_override_options): Declare.
1832         (C_COMMON_OVERRIDE_OPTIONS): Define.
1833         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1834         * config/mips/irix6-c.c: New file.
1835         * config/mips/t-irix6 (irix6-c.o): New target.
1836         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1837         cxx_target_objs.
1838
1839 2012-03-02  Richard Henderson  <rth@redhat.com>
1840
1841         * optabs.c (expand_atomic_test_and_set): Honor
1842         atomic_test_and_set_trueval even when atomic_test_and_set
1843         optab is not in use.
1844
1845 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1846
1847         Backport from mainline
1848         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1849
1850         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1851
1852 2012-03-02  Richard Guenther  <rguenther@suse.de>
1853
1854         * DEV-PHASE: Set to prerelease.
1855
1856 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1857
1858         * config.gcc (obsolete): Add all ARM targets using the FPA.
1859         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1860         * doc/install.texi: Avoid references to obsolete ARM ports.
1861
1862 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1863
1864         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1865
1866 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1867             Joern Rennecke  <joern.rennecke@embecosm.com>
1868
1869         * doc/extend.texi: Expand and update information on interrupt
1870         attribute for Epiphany.
1871
1872 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1873
1874         * config/sh/sh-protos.h: Update copyright notice dates.
1875         * config/sh/sh.h: Likewise.
1876         * config/sh/sh.md: Likewise.
1877         * config/sh/constraints.md: Likewise.
1878         * config/sh/predicates.md: Likewise.
1879
1880 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1881
1882         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1883         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1884
1885 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1886
1887         * config/sh/constraints.md: Fix comment typo.
1888
1889 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1890
1891         PR target/52408
1892         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1893         unsigned HOST_WIDE_INT.
1894         (zvdep_imm64): Likewise.
1895         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1896         (vdepi_and): Likewise.
1897         Likewise for unamed 64-bit patterns.
1898         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1899
1900 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1901
1902         PR debug/52001
1903         PR rtl-optimization/52417
1904         * cselib.c (cselib_any_perm_equivs): New variable.
1905         (cselib_reset_table): Check that it's not set when not
1906         preserving constants.
1907         (cselib_add_permanent_equiv): Set it.
1908         (cselib_have_permanent_equivalences): New.
1909         (cselib_init, cselib_finish): Reset it.
1910         * cselib.h (cselib_have_permanent_equivalences): Declare.
1911         * alias.c (get_addr): Restore earlier behavior when there
1912         aren't permanent equivalences.
1913
1914 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1915
1916         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1917         * config/v850/v850-modes.def: Fix copyright notice.
1918
1919 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1920
1921         * doc/extend.texi (AVR Built-in Functions): Document
1922         __builtin_avr_flash_segment.
1923
1924         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1925         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1926         (*split.flash_segment): New insn-and-split.
1927         * config/avr/avr.c (avr_init_builtins): Add local variables:
1928         const_memx_void_node, const_memx_ptr_type_node,
1929         char_ftype_const_memx_ptr.
1930
1931 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1932
1933         PR tree-optimization/52445
1934         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1935         add ssa_name_ver, offset and size fields and change store field
1936         to bool.
1937         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1938         (add_or_mark_expr): Likewise.  Only consider previous stores
1939         with the same size and offset.
1940         (nt_init_block): Only look at gimple_assign_single_p stmts,
1941         doesn't look at rhs2.
1942
1943 2012-03-01  Richard Guenther  <rguenther@suse.de>
1944
1945         PR middle-end/52443
1946         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1947         conversions from integral types to pointer types.
1948
1949 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1950
1951         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1952         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1953         unintentionally removed in r184616.
1954
1955 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1956
1957         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1958         3DNow from bdver1.
1959
1960 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1961             Uros Bizjak  <ubizjak@gmail.com>
1962
1963         PR target/52437
1964         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1965         alternatives, add "e" constraint to the new last alternative
1966         and ! to last 3 alternatives.
1967
1968 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1969
1970         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1971         DW_AT_artificial attributes at the end of the processing.
1972         (gen_array_type_die): Likewise.
1973         (gen_enumeration_type_die): Likewise.
1974         (gen_struct_or_union_type_die): Likewise.
1975         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1976         the parent type.
1977
1978 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1979
1980         PR middle-end/52419
1981         * expr.c (expand_assignment): If doing misaligned store that doesn't
1982         cover all mode bits, perform a RMW cycle.
1983
1984         PR tree-optimization/52429
1985         * tree-parloops.c (separate_decls_in_region_debug): Return early
1986         if var is LABEL_DECL.
1987
1988 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1989
1990         PR tree-optimization/52424
1991         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1992         calling dom_thread_across_edge.
1993
1994 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1995
1996         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1997
1998 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1999
2000         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2001         * config/avr/avr.c (avr_output_bld): Remove unused function.
2002         (avr_out_sbxx_branch): Use "%T" to print bit position.
2003
2004 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2005
2006         * config/avr/avr.md: Untabify.
2007
2008 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2009
2010         * config/avr/avr.md (eqne): New code iterator.
2011         (*dec-and-branchsi): Use it in text peephole's condition.
2012         (*dec-and-branchhi): Ditto.
2013         (*dec-and-branchqi): Ditto.
2014
2015 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2016
2017         PR target/49939
2018         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2019         the device does not have the skip-bug.
2020
2021 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2022
2023         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2024         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2025         -mpretend-cmove): New.
2026
2027 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2028
2029         PR bootstrap/52397
2030         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2031         doesn't count DEBUG_INSN refs.
2032         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2033         for DEBUG_INSN refs.
2034
2035 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2036
2037         Partially revert:
2038
2039         2012-02-20  Richard Guenther  <rguenther@suse.de>
2040         PR tree-optimization/52298
2041         * tree-vect-stmts.c (vectorizable_load): Properly use
2042         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2043         outer loops.
2044
2045 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2046
2047         PR middle-end/51752
2048         * gimple.h (gimple_in_transaction): New.
2049         (gimple_set_in_transaction): New.
2050         (struct gimple_statement_base): Add in_transaction field.
2051         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2052         transaction loads.
2053         (tree_ssa_lim_initialize): Compute transaction bits.
2054         * tree.h (compute_transaction_bits): Protoize.
2055         * trans-mem.c (tm_region_init): Use the heap to store BB
2056         auxilliary data.
2057         (compute_transaction_bits): New.
2058
2059 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2060
2061         * gcc.c (display_help): Document --help=common and sort entries
2062         alphabetically.
2063
2064 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2065
2066         * doc/install.texi: Document check-$LANG specific shortcuts
2067
2068 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2069
2070         PR target/51534
2071         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2072         and vcgtu.
2073         * config/arm/arm_neon.h: Regenerate.
2074         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2075         (neon_vcgeu): New insn.
2076         (neon_vcgtu): Likewise.
2077         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2078         (ops): Unsigned comparison intrinsics call a different
2079         builtin.
2080
2081 2012-02-28  Richard Guenther  <rguenther@suse.de>
2082
2083         PR target/52407
2084         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2085         ordering for the VEC_CONCAT for two element vectors for
2086         V2SFmode, V2SImode and V2DImode.
2087
2088 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2089
2090         PR target/49448
2091         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2092         detecting big-endian triplets.
2093
2094 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2095
2096         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2097         mode if there is no type information available.
2098
2099 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2100
2101         PR tree-optimization/53207
2102         * doc/invoke.texi: Document as experimental and relying on graphite.
2103
2104 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2105
2106         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2107         of initializer to changes from r184614.
2108
2109 2012-02-28  Richard Guenther  <rguenther@suse.de>
2110
2111         PR tree-optimization/52395
2112         * tree-sra.c (build_ref_for_offset): Also look at the base
2113         TYPE_ALIGN when figuring out the alignment of the replacement.
2114
2115 2012-02-28  Richard Guenther  <rguenther@suse.de>
2116
2117         PR tree-optimization/52402
2118         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2119         mis-aligned types when creating the accesses at the call site.
2120
2121 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2122
2123         * config/avr/builtins.def: New file.
2124         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2125         * config/avr/avr.c (enum avr_builtin_id): Use it.
2126         (avr_init_builtins): Use it. And use avr_bdesc.
2127         (bdesc_1arg): Remove.
2128         (bdesc_2arg): Remove.
2129         (bdesc_3arg): Remove.
2130         (struct avr_builtin_description): Add field n_args.
2131         (avr_bdesc): New static variable using builtins.def.
2132         (avr_expand_builtin): Use it.
2133         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2134         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2135         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2136
2137 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2138
2139         PR target/52148
2140         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2141         match only one single hard register with respective hard reg rtx.
2142         (movmemx_<mode>): Ditto.
2143         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2144         insn anatomy of movmem[x]_<mode>.
2145         (avr_out_movmem): Same for printing assembler and operand usage.
2146
2147 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2148
2149         PR target/49868
2150         PR target/52261
2151         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2152         address spaces located outside of device flash.
2153
2154         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2155         (mcu_type_s): Add field n_flash.
2156         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2157         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2158         (AVR_MCU): Add N_FLASH argument.
2159         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2160         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2161         macro __FLASH<n> if that address space makes sense for the device.
2162         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2163         outside of target flash.
2164         (avr_asm_named_section): Ditto.
2165         (avr_asm_select_section): Ditto.
2166         (avr_addr_space_convert): Ditto.
2167         (avr_emit_movmemhi): Ditto.
2168         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2169         address space is outside of device flash.
2170         (avr_insert_attributes): Ditto.
2171         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2172         avr_current_arch->n_segments.
2173
2174 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2175
2176         PR target/52352
2177         * config/i386/i386.md (*movabs<mode>_1): Enable only for
2178         TARGET_LP64.
2179         (*movabs<mode>_2): Likewise.
2180
2181 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2182
2183         PR target/52375
2184         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2185         s_register_operand in the test instead of REG_P.  Don't call
2186         gen_reg_rtx if it won't be used.
2187
2188         PR tree-optimization/52376
2189         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2190
2191 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2192
2193         * ifcvt.c (noce_get_condition): Check condition variable is not
2194         small_register_classes_for_mode_p before accepting.
2195
2196 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2197
2198         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2199
2200 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2201
2202         Revert:
2203         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2204         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2205         tuning parameters.
2206         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2207
2208 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2209
2210         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2211
2212 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2213
2214         * config/sh/predicates.md: Remove blank lines.
2215         * config/sh/sh.c: Fix typos in comments.
2216         * config/sh/constraints.md: Likewise.
2217         * config/sh/sh.md: Remove blank lines.
2218         Fix typos in comments.  Use ;; as comment characters.
2219
2220 2012-02-26  Walter Lee  <walt@tilera.com>
2221
2222         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2223         (replace_mov_pcrel_step2): Ditto.
2224
2225 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2226
2227         PR debug/52001
2228         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2229         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2230         and locs that reference values newer than the non-canonical value
2231         at hand.  Return the canonical value as a worst case.
2232         (memrefs_conflict_p): Walk canonical value's locs.
2233
2234         PR debug/52001
2235         * cselib.c (preserve_only_constants): Rename to...
2236         (preserve_constants_and_equivs): ... this.  Split out...
2237         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2238         of other preserved expressions too.
2239         (cselib_reset_table): Adjust.
2240         * var-tracking.c (reverse_op): Use canonical value to build
2241         reverse operation.
2242
2243 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2244
2245         * config/i386/i386.c (ix86_delegitimize_address): Handle
2246         UNSPEC_PCREL plus displacement.
2247
2248 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2249
2250         PR target/52261
2251         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2252         to test for unusedness in st X addressing.
2253
2254 2012-02-24  Richard Guenther  <rguenther@suse.de>
2255
2256         PR middle-end/52361
2257         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2258         (is_gimple_reg_type): Move inline ...
2259         * gimple.h (is_gimple_reg_type): ... here.
2260
2261 2012-02-24  Richard Guenther  <rguenther@suse.de>
2262
2263         PR middle-end/52361
2264         * passes.c (execute_function_todo): When verifying SSA form
2265         verify gimple form first.
2266         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2267
2268 2012-02-24  Richard Guenther  <rguenther@suse.de>
2269
2270         PR middle-end/52355
2271         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2272         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2273
2274 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2275
2276         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2277
2278 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2279
2280         * tree-phinodes.c (make_phi_node): Mark static.
2281         * tree-flow.h (make_phi_node): Remove extern decl.
2282         * doc/gimple.texi (make_phi_node): Remove documentation.
2283
2284 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2285
2286         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2287         * tree-ssa-sccvn.c (print_scc): Ditto.
2288
2289 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2290
2291         * doc/passes.texi (Full redundancy elimination): Fix typo.
2292
2293 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2294
2295         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2296
2297 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2298
2299         PR bootstrap/52287
2300         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2301
2302 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2303
2304         PR c/52290
2305         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2306
2307 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2308
2309         * config/avr/avr.md (code_stdname): Add ior, xor.
2310         (xior): New code iterator.
2311         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2312         (*<code_stdname><mode>qi.byte1-3): Ditto.
2313
2314 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2315
2316         PR tree-optimization/52019
2317         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2318         CLOBBER stmts.
2319
2320 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2321
2322         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2323         HAVE_INITFINI_ARRAY to work around namespace pollution in
2324         certain versions of newlib system headers.
2325         * config.in: Regenerate.
2326         * configure: Regenerate.
2327         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2328         instead of HAVE_INITFINI_ARRAY.
2329
2330 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2331
2332         PR target/52330
2333         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2334         is not offsettable memory reference.
2335
2336 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2337
2338         PR target/18145
2339         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2340         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2341
2342 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2343
2344         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2345         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2346
2347 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2348
2349         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2350         library on Solaris 8 even without TLS support.
2351         * configure: Regenerate.
2352
2353 2012-02-22  Richard Guenther  <rguenther@suse.de>
2354
2355         PR middle-end/52329
2356         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2357         for GIMPLE_DEBUG stmts.
2358
2359 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2360
2361         PR middle-end/51782
2362         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2363         according to the base object.
2364
2365 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2366
2367         PR rtl-optimization/50063
2368         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2369         and 2 (8-bit SP) in operand 2.
2370         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2371         setup to use movhi_sp_r instead of vanilla move to write SP.
2372         Adjust REG_CFA notes to superseed unspec.
2373         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2374         of vanilla move.
2375         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2376         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2377         irq_state 1 (IRQ known to be on) here.
2378
2379 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2380
2381         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2382         WORDS_BIG_ENDIAN.
2383         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2384         assign_hard_reg): Likewise.
2385
2386 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2387
2388         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2389
2390 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2391
2392         * config/avr/avr.md
2393         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2394         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2395
2396 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2397
2398         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2399         prototype from here to...
2400         * config/avr/avr.h: ...here.
2401
2402 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2403
2404         PR target/52294
2405         * thumb2.md (thumb2_shiftsi3_short): Split register and
2406         immediate shifts.  For register shifts tie operands 0 and 1.
2407         (peephole2 for above): Check that register-controlled shifts
2408         have suitably tied operands.
2409
2410 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2411
2412         PR target/52137
2413         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2414         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2415         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2416         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2417         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2418         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2419         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2420         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2421         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2422         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2423         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2424         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2425         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2426         bdver1_ssevector_avx256_unaligned_load,
2427         bdver1_ssevector_sse128_unaligned_load,
2428         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2429         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2430         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2431         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2432         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2433         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2434         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2435         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2436         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2437         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2438         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2439         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2440         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2441         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2442         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2443         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2444         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2445         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2446         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2447         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2448         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2449         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2450         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2451         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2452         bdver1_ssediv_double_load, bdver1_ssediv_double,
2453         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2454         Add "bdver2" attribute.
2455
2456 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2457
2458         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2459         default if possible and not specified otherwise.
2460
2461 2012-02-21  Richard Guenther  <rguenther@suse.de>
2462
2463         PR middle-end/52314
2464         * gimplify.c (create_tmp_from_val): Use the main variant type
2465         for the type of the temporary we create.
2466
2467 2012-02-21  Richard Guenther  <rguenther@suse.de>
2468
2469         PR tree-optimization/52324
2470         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2471         do not gimplify a MEM_REF address operand if it is already
2472         in suitable form.
2473
2474 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2475
2476         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2477         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2478
2479 2012-02-21  Richard Guenther  <rguenther@suse.de>
2480
2481         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2482         nested_in_vect_loop.
2483
2484 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2485
2486         PR tree-optimization/52318
2487         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2488         vdef also to non-pure/const call stmts in the sequence.
2489
2490 2012-02-20  David S. Miller  <davem@davemloft.net>
2491
2492         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2493         don't use the "rd %pc" instruction on v9 for PIC register loads.
2494
2495 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2496
2497         PR middle-end/52141
2498         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2499         in a transaction safe function.
2500
2501 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2502
2503         PR target/52238
2504         * stor-layout.c (place_field): Handle desired_align for
2505         ms-bitfields, too.
2506
2507 2012-02-20  Richard Guenther  <rguenther@suse.de>
2508
2509         PR tree-optimization/52298
2510         * tree-vect-stmts.c (vectorizable_store): Properly use
2511         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2512         outer loops.
2513         (vectorizable_load): Likewise.
2514         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2515         Access DR_STEP after ensuring it is not NULL.
2516
2517 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2518
2519         PR tree-optimization/52286
2520         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2521         optimization use double_int_to_tree instead of build_int_cst_wide,
2522         rewrite to use double_int vars.
2523
2524 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2525
2526         PR target/50166
2527         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2528         Define _start.
2529         Remove -e 0 from $gcc_cv_ld invocation.
2530         Only use __GLIBC_PREREQ if defined.
2531         Enable on Solaris since Solaris 8 patch.
2532         (gcc_SUN_LD_VERSION): New macro.
2533         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2534         gcc_SUN_LD_VERSION for version number format.
2535         * configure: Regenerate.
2536         * varasm.c (get_elf_initfini_array_priority_section): Set
2537         SECTION_NOTYPE for non-default priority.
2538         Use get_section instead of get_unnamed_section to emit
2539         .init_array/.fini_array with default priority.
2540
2541 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2542
2543         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2544         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2545         (mips_start_unique_function, mips_output_mips16_rdhwr)
2546         (mips_code_end): New functions.
2547         (TARGET_ASM_CODE_END): Define.
2548
2549 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2550
2551         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2552         to stubs with non-sibling calls.
2553
2554 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2555
2556         * doc/invoke.texi (-fira-* options): Copy-edit.
2557         (ira-* parameters): Copy-edit.
2558
2559 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2560
2561         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2562         GCC coding conventions.
2563
2564 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2565
2566         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2567         when used as adjectives.
2568
2569 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2570
2571         * doc/invoke.texi: Clean up "that"/"which" confusion.
2572
2573 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2574
2575         * system.h: Poison SMALL_REGISTER_CLASSES
2576         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2577         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2578
2579 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2580
2581         PR tree-optimization/52285
2582         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2583         when deciding if a call is a tail call or tail recursion.
2584
2585 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2586
2587         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2588         interger-constant displacement for UNSPEC_PCREL.
2589
2590 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2591
2592         PR rtl-optimization/52208
2593         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2594         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2595
2596         PR tree-optimization/52255
2597         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2598         loop->header has virtual PHI, but exit_e->dest doesn't, add
2599         virtual PHI to exit_e->dest and adjust all uses after the loop.
2600
2601         PR debug/52260
2602         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2603         children with clone_tree_hash, not after it.
2604
2605 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2606
2607         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2608         extended identifiers.
2609
2610 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2611
2612         PR middle-end/51929
2613         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2614         a same_body_alias, also test whether e->callee isn't a former
2615         or current clone of the decl this is a same body alias of.
2616
2617         PR translation/52264
2618         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2619
2620 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2621
2622         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2623
2624 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2625
2626         PR target/52199
2627         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2628         force_reg instead of copy_to_reg for better optimization.  Force
2629         non-register or memory operands into a register.
2630
2631 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2632
2633         * extend.texi: Reserve upper bits of memory model for future use.
2634
2635 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2636             Anatoly Sokolov <aesok@post.ru>
2637             Eric Weddington <eric.weddington@atmel.com>
2638
2639         PR target/52261
2640         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2641         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2642         Rewrite initializers for .macro.
2643         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2644         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2645         atxmega32d4, atxmega32x1.
2646         avrxmega4: atxmega64a3, atxmega64d3.
2647         avrxmega5: atxmega64a1, atxmega64a1u.
2648         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2649         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2650         avrxmega7: atxmega128a1, atxmega128a1u.
2651         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2652         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2653         (struct base_arch_s): Rename reserved to xmega_p.
2654         Rename reserved2 to have_rampd.
2655         (AVR_XMEGA): New define.
2656         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2657         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2658         * config/avr/predicates.md (io_address_operand): Take into
2659         account SFR offset.
2660         (low_io_address_operand): Ditto.
2661         (high_io_address_operand): Ditto.
2662         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2663         (enabled, movhi_sp_r): Use them.
2664         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2665         cpp_define_formatted to built-in define __AVR_ARCH__.
2666         (__AVR_XMEGA__): New built-in define.
2667         (__AVR_HAVE_RAMPD__): New built-in define.
2668         (__AVR_HAVE_RAMPX__): New built-in define.
2669         (__AVR_HAVE_RAMPY__): New built-in define.
2670         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2671
2672         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2673         (avr_option_override): Initialize them.
2674         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2675         (avr_init_expanders): Initialize them. No more block several calls.
2676         (emit_push_sfr): New static function.
2677         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2678         Handle AVR_XMEGA.
2679         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2680         (avr_print_operand): Print addreeses as symbols for
2681         RAMPX, RAMPY, RAMPD, CCP.
2682         (output_movhi): Handle AVR_XMEGA when writing to SP.
2683         (avr_out_movhi_mr_r_xmega): New static function.
2684         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2685         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2686         __RAMPD__,  __CCP__ as needed.
2687
2688         * config/avr/multilib.h: Regenerate.
2689         * config/avr/t-multilib: Regenerate.
2690         * config/avr/avr-tables.opt: Regenerate.
2691
2692 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2693
2694         PR tree-optimization/50561
2695         * graphite-flattening.c (lst_project_loop): Do not
2696         remove old scattering dimensions after flattening.
2697         (lst_do_flatten): Likewise.
2698
2699 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2700
2701         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2702         __builtin_avr_map8, __builtin_avr_map16.
2703         Document __builtin_avr_insert_bits.
2704
2705         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2706         (insert_bits): New insn.
2707         (adjust_len.map_bits): Rename to insert_bits.
2708         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2709         * avr-protos.h (avr_out_map_bits): Remove.
2710         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2711         * config/avr/constraints.md (Cxf,C0f): New.
2712         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2713         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2714         New built-in define __BUILTIN_AVR_INSERT_BITS.
2715         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2716         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2717         (avr_move_bits): Rewrite.
2718         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2719         functions.
2720         (avr_map_op_t): New typedef.
2721         (avr_map_op): New static variable.
2722         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2723         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2724         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2725         (bdesc_3arg, avr_expand_triop_builtin): New.
2726         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2727         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2728         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2729         (avr_map_equal_p, avr_map_sig_p): Remove.
2730         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2731         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2732         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2733         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2734         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2735         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2736
2737 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2738
2739         * config/c6x/c6x.md (reserve_cycles): New attribute.
2740         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2741         don't reserve functional units after the branch occurs.
2742
2743 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2744
2745         PR middle-end/52142
2746         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2747         functions into non-tm_pure functions.
2748
2749 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2750
2751         PR lto/52178
2752         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2753         (iterative_hash_canonical_type): Likewise.
2754         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2755         the dead edges.
2756
2757 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2758
2759         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2760         sched-group insn, it either remains alone or the entire list is pruned.
2761
2762 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2763
2764         * doc/install.texi (Prerequisites): Fix grammar.
2765         (Configuration): Likewise.
2766
2767 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2768
2769         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2770         MPC as part of GCC before describing configuring with --with-gmp etc.
2771         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2772         sources are present.
2773
2774 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2775
2776         PR debug/51950
2777         * dwarf2out.c (clone_tree_hash): New function.
2778         (copy_decls_walk): Use it instead of clone_tree.
2779
2780 2012-02-14  Richard Guenther  <rguenther@suse.de>
2781
2782         PR tree-optimization/52244
2783         PR tree-optimization/51528
2784         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2785         replacements for integral types.
2786
2787 2012-02-14  Walter Lee  <walt@tilera.com>
2788
2789         * config.gcc: Handle tilegx and tilepro.
2790         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2791         tilegx and tilepro.
2792         Add HAVE_AS_TLS check for tilegx and tilepro.
2793         * configure: Regenerate.
2794         * doc/contrib.texi: Add Mat Hostetter and self.
2795         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2796         Document instruction intrinsics and network accessing intrinsics.
2797         (TILEPro Built-in Functions): New node.  Document instruction
2798         intrinsics and network accessing intrinsics.
2799         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2800         (Specific, tilepro-*-linux*): Likewise.
2801         * doc/invoke.texi (TILE-Gx Options): New section.
2802         (TILEPro Options): New section.
2803         * doc/md.texi (TILE-Gx): New section.
2804         (TILEPro): New section.
2805         * common/config/tilegx/tilegx-common.c: New file.
2806         * common/config/tilepro/tilepro-common.c: New file.
2807         * config/tilegx/constraints.md: New file.
2808         * config/tilegx/linux.h: New file.
2809         * config/tilegx/mul-tables.c: New file.
2810         * config/tilegx/predicates.md: New file.
2811         * config/tilegx/sync.md: New file.
2812         * config/tilegx/t-tilegx: New file.
2813         * config/tilegx/tilegx-builtins.h: New file.
2814         * config/tilegx/tilegx-c.c: New file.
2815         * config/tilegx/tilegx-generic.md: New file.
2816         * config/tilegx/tilegx-modes.def: New file.
2817         * config/tilegx/tilegx-multiply.h: New file.
2818         * config/tilegx/tilegx-protos.h: New file.
2819         * config/tilegx/tilegx.c: New file.
2820         * config/tilegx/tilegx.h: New file.
2821         * config/tilegx/tilegx.md: New file.
2822         * config/tilegx/tilegx.opt: New file.
2823         * config/tilepro/constraints.md: New file.
2824         * config/tilepro/gen-mul-tables.cc: New file.
2825         * config/tilepro/linux.h: New file.
2826         * config/tilepro/mul-tables.c: New file.
2827         * config/tilepro/predicates.md: New file.
2828         * config/tilepro/t-tilepro: New file.
2829         * config/tilepro/tilepro-builtins.h: New file.
2830         * config/tilepro/tilepro-c.c: New file.
2831         * config/tilepro/tilepro-generic.md: New file.
2832         * config/tilepro/tilepro-modes.def: New file.
2833         * config/tilepro/tilepro-multiply.h: New file.
2834         * config/tilepro/tilepro-protos.h: New file.
2835         * config/tilepro/tilepro.c: New file.
2836         * config/tilepro/tilepro.h: New file.
2837         * config/tilepro/tilepro.md: New file.
2838         * config/tilepro/tilepro.opt: New file.
2839
2840 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2841
2842         PR tree-optimization/52210
2843         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2844         vect_model_simple_cost with two entry vect_def_type array instead
2845         of an address of dt.
2846
2847 2012-02-14  Richard Guenther  <rguenther@suse.de>
2848
2849         PR lto/52178
2850         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2851         Do not stream DECL_QUALIFIER.
2852         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2853         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2854         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2855
2856 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2857
2858         PR c/52181
2859         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2860         newdecl.
2861
2862 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2863
2864         PR bootstrap/52172
2865         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2866         * cselib.c (cselib_subst_to_values_from_insn): New function.
2867         * sched-deps.c (add_insn_mem_dependence,
2868         sched_analyze_1, sched_analyze_2): Use it.
2869
2870 2012-02-13  Jan Hubicka  <jh@suse.cz>
2871
2872         PR middle-end/52214
2873         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2874
2875 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2876
2877         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2878         (GTM_SELF_SPECS): Define if not already defined.
2879         (driver_self_specs): Add GTM_SELF_SPECS.
2880         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2881         (GTM_SELF_SPECS): Define.
2882         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2883         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2884
2885 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2886
2887         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2888         away if seen.
2889
2890         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2891
2892         PR middle-end/52230
2893         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2894         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2895
2896 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2897
2898         PR c/52190
2899         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2900
2901 2012-02-13  Richard Guenther  <rguenther@suse.de>
2902
2903         PR translation/52211
2904         * passes.c (enable_disable_pass): Fix typo.
2905
2906 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2907
2908         PR middle-end/52209
2909         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2910         XOR for reduce_bit_field if type is unsigned.
2911
2912 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2913
2914         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2915         disallow changes from SFmode to mode with different size in FP regs.
2916
2917 2012-02-12  Robert Millan  <rmh@gnu.org>
2918             Gerald Pfeifer <gerald@pfeifer.com>
2919
2920         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2921         Tweak comment.
2922
2923 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2924
2925         PR rtl-optimization/52175
2926         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2927         to frame-related instructions.
2928
2929 2012-02-10  Jason Merrill  <jason@redhat.com>
2930
2931         PR c++/51910
2932         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2933         (demangle_new_symbols): Fill it.
2934         (scan_linker_output): Walk it.
2935         (start_tweaking): Split out from scan_linker_output.
2936         (maybe_tweak): Update sym->chosen.
2937         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2938
2939 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2940
2941         PR debug/52132
2942         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2943
2944 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2945
2946         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2947         having the same mode as previous compare.
2948
2949 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2950
2951         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2952         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2953         (nonlocal_goto_internal): Likewise.
2954         (nonlocal_goto): Emit a use and an indirect jump directly.
2955
2956 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2957
2958         PR c/52190
2959         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2960         __atomic_{is,always}_lock_free.
2961
2962 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2963
2964         PR target/52146
2965         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2966         negative constant address for x32.
2967
2968 2012-02-10  Richard Henderson  <rth@redhat.com>
2969
2970         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2971         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2972         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2973
2974 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2975             Ira Rosen  <irar@il.ibm.com>
2976
2977         PR tree-optimization/50031
2978         * targhooks.c (default_builtin_vectorization_cost): Handle
2979         vec_promote_demote.
2980         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2981         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2982         all types of reduction and pattern statements.
2983         (vect_estimate_min_profitable_iters): Likewise.
2984         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2985         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2986         for explicit realigns.
2987         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2988         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2989         vec_promote_demote.
2990         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2991         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2992         vec_perm for VSX and handle vec_promote_demote.
2993
2994 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2995
2996         PR middle-end/52177
2997         * builtins.c (fold_builtin_atomic_always_lock_free,
2998         expand_builtin_atomic_always_lock_free,
2999         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3000         Return and/or test boolean_true_node/boolean_false_node instead of
3001         integer_one_node/integer_zero_node.
3002
3003 2012-02-10  Jan Hubicka  <jh@suse.cz>
3004
3005         PR middle-end/48600
3006         * predict.c (predict_paths_for_bb): Prevent looping.
3007         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3008
3009 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3010
3011         * config/arm/arm.c (output_move_double): In one case properly
3012         count number of instructions that will be emitted.
3013
3014 2012-02-10  Richard Guenther  <rguenther@suse.de>
3015
3016         PR translation/52193
3017         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3018
3019 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3020
3021         PR middle-end/52140
3022         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3023
3024 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3025
3026         PR debug/52165
3027         * var-tracking.c (emit_note_insn_var_location): If
3028         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3029         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3030         non-NOTE_DURING_CALL_P insn.
3031
3032 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3033
3034         PR middle-end/51867
3035         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3036
3037 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3038
3039         PR driver/48524
3040         * gcc.c (switch_matches) Support switches with separated form,
3041         -D and -U.
3042
3043 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3044
3045         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3046         (SP_ADDR): Ditto.
3047         (RAMPZ_ADDR): Ditto.
3048         * config/avr/avr.c (avr_addr_t): New typedef.
3049         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3050         (avr_init_expanders): Initialize it.
3051         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3052         SREG_ADDR.
3053         (expand_epilogue): Ditto.
3054         (avr_print_operand): Ditto.
3055         (avr_file_start): Ditto.
3056         (avr_emit_movmemhi): Ditto.
3057
3058 2012-02-08  Richard Guenther  <rguenther@suse.de>
3059
3060         PR tree-optimization/46886
3061         * tree-flow.h (do_while_loop_p): Declare.
3062         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3063         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3064
3065 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3066
3067         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3068         always succeed for integers larger than a native word.
3069
3070 2012-02-08  Richard Guenther  <rguenther@suse.de>
3071
3072         PR rtl-optimization/52170
3073         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3074         properly handle integer vector modes.
3075
3076 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3077
3078         PR gcov-profile/52150
3079         * coverage.c: Include target.h.
3080         (build_var): Call targetm.strip_name_encoding on the assembler name.
3081         Change one _ into . or $ if the target allows it.
3082         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3083
3084         PR rtl-optimization/52139
3085         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3086         is a BARRIER after emit_insn_after_noloc, move BB_END
3087         to the last non-BARRIER insn before it.
3088
3089 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3090
3091         PR middle-end/24306
3092         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3093         (mips_gimplify_va_arg_expr): Call it instead of
3094         std_gimplify_va_arg_expr.
3095
3096 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3097
3098         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3099         message for -mno-pointers-to-nested-function.
3100
3101 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3102
3103         PR middle-end/51994
3104         * expr.c (get_inner_reference): If there is an offset, add a negative
3105         bit position to it (if any).
3106
3107 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3108
3109         PR rtl-optimization/52060
3110         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3111         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3112         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3113         and/or i0src_copy2 when needed.
3114
3115 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3116
3117         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3118         or LTOPLUGINSONAME if have_c.
3119
3120         * config/freebsd-spec.h: Add comment about what macros can be defined
3121         in this header.
3122         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3123         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3124         here instead.
3125
3126 2012-02-07  Richard Guenther  <rguenther@suse.de>
3127
3128         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3129         newline in -alias dumps.
3130
3131 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3132             Dave Korn  <dave.korn.cygwin@gmail.com>
3133
3134         PR target/40068
3135         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3136         Take care that typinfo gets dllexport-attribute.
3137
3138 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3139
3140         PR middle-end/52074
3141         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3142         if modifier < EXPAND_SUM call force_operand on the result.
3143
3144 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3145
3146         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3147         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3148         present.
3149         (epiphany_function_type): Replace types for specific interrupts with
3150         EPIPHANY_FUNCTION_INTERRUPT.
3151         (EPIPHANY_INTERRUPT_P): Update.
3152         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3153         New static function.
3154         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3155         <disinterrupt>: Affects type identity.
3156         (epiphany_handle_interrupt_attribute): Handle variable number of
3157         arguments.
3158         (epiphany_compute_function_type): Update for new
3159         epiphany_function_type definition.
3160         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3161         handlers with a longcall forwarder.
3162         (epiphany_start_function): Handle multiple interrupt arguments and/or
3163         forwarder_section attribute.
3164
3165         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3166         libgloss.
3167
3168 2012-02-07  Alan Modra  <amodra@gmail.com>
3169
3170         PR target/52107
3171         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3172         subregs of TFmode.
3173
3174 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3175
3176         PR tree-optimization/50969
3177         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3178         use vec_perm rather than vector_stmt.
3179         (vect_model_load_cost): Likewise.
3180         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3181         vec_perm to be the same as other vector statements.
3182         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3183         cost of vec_perm for TARGET_VSX.
3184
3185 2012-02-06  Richard Guenther  <rguenther@suse.de>
3186
3187         PR tree-optimization/52115
3188         * tree-sra.c (access_has_replacements_p): New function.
3189         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3190
3191 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3192
3193         PR middle-end/52047
3194         * trans-mem.c (expand_call_tm): Add an assertion.
3195         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3196         functions.
3197
3198 2012-02-06  Richard Guenther  <rguenther@suse.de>
3199
3200         PR tree-optimization/50955
3201         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3202         raise cost of expressions that replace an address with an
3203         expression based on a different pointer.
3204
3205 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR target/52129
3208         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3209         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3210
3211 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3212
3213         PR c++/48680
3214         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3215         -Weffc++ and specify guidelines come from second edition.
3216
3217 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3218
3219         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3220         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3221         (call_direct_split, call_value_split, call_value_internal_direct)
3222         (call_value_direct_split, call_value_multiple_split): Use jal and
3223         jal_macro attributes.
3224
3225 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3226
3227         * reload1.c (reload_regs_reach_end_p): Replace with...
3228         (reload_reg_rtx_reaches_end_p): ...this function.
3229         (new_spill_reg_store): Update commentary.
3230         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3231         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3232         before setting new_spill_reg_store.
3233         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3234         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3235         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3236         for non-spill reload registers.
3237
3238 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3239
3240         PR tree-optimization/52091
3241         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3242         (vect_is_simple_use_1): Likewise.
3243         * tree-vect-loop.c (vectorizable_reduction): Update calls
3244         to vect_is_simple_use_1 and vect_is_simple_use.
3245         (vectorizable_live_operation): Likewise.
3246         * tree-vect-patterns.c (widened_name_p,
3247         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3248         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3249         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3250         vectorizable_shift,vectorizable_operation, vectorizable_store,
3251         vectorizable_load): Likewise.
3252         (vect_is_simple_cond): Add an argument, pass it to
3253         vect_is_simple_use_1.
3254         (vectorizable_condition): Update calls to vect_is_simple_cond,
3255         vect_is_simple_use.
3256         (vect_is_simple_use): Add an argument, the statement in which
3257         OPERAND is used.  Check that if OPERAND's def stmt is a double
3258         reduction phi node, the use is a phi node too.
3259         (vect_is_simple_use_1): Add an argument, pass it to
3260         vect_is_simple_use.
3261         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3262         to vect_is_simple_use.
3263
3264 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3265
3266         PR rtl-optimization/52095
3267         * modulo-sched.c (dump_insn_locator): New function.
3268         (loop_canon_p, sms_schedule): Use it.
3269
3270         PR rtl-optimization/52113
3271         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3272         even for decomposable shift/zext insns.
3273
3274 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3275             Zdenek Dvorak  <ook@ucw.cz>
3276
3277         PR rtl-optimization/52092
3278         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3279         on get_iv_value result.
3280
3281 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3282
3283         PR middle-end/47982
3284         PR middle-end/43967
3285         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3286
3287 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3288
3289         PR middle-end/48071
3290         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3291
3292 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3293
3294         PR rtl-optimization/49800
3295         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3296         (sched_finish): Call regstat_free_n_sets_and_refs.
3297
3298 2012-02-02  Jia Liu  <proljc@gmail.com>
3299
3300         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3301         than operand 2.
3302
3303 2012-02-02  Jan Hubicka  <jh@suse.cz>
3304             Tom de Vries  <tom@codesourcery.com>
3305
3306         PR middle-end/51998
3307         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3308         * varpool.c (varpool_analyze_pending_decls): Likewise.
3309
3310 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3311             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3312
3313         * config.gcc: Add cr16-* support.
3314
3315         * doc/extend.texi: Document cr16 extensions.
3316         * doc/install.texi: Document cr16 install.
3317         * doc/invoke.texi: Document cr16 options.
3318         * doc/md.texi: Document cr16 constraints.
3319
3320         * common/config/cr16/cr16-common.c: New file.
3321         * config/cr16/cr16.c: New file.
3322         * config/cr16/cr16.h: New file.
3323         * config/cr16/cr16.md: New file.
3324         * config/cr16/cr16.opt: New file.
3325         * config/cr16/cr16-protos.h: New file.
3326         * config/cr16/predicates.md: New file.
3327         * config/cr16/constraints.md: New file.
3328         * config/cr16/t-cr16: New file.
3329
3330 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3331
3332         PR target/52086
3333         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3334         that operands[2] is either immediate, or q_regs_operand.
3335
3336         PR tree-optimization/52073
3337         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3338         a pattern stmt for pattern uses, ignore uses outside of the loop.
3339
3340 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3341
3342         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3343         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3344         (OUT_AS1, OUT_AS2): Remove.
3345
3346 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3347
3348         PR rtl-optimization/51374
3349         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3350         to cross other volatile_refs_p insns.
3351
3352 2012-02-01  Richard Guenther  <rguenther@suse.de>
3353
3354         * doc/invoke.texi (fno-inline): Clarify documentation.
3355         (finline-small-functions): Likewise.
3356         (finline-functions): Likewise.
3357         * common.opt (finline): Adjust comment and documentation.
3358         (finline-small-functions): Clarify documentation.
3359         (finline-functions): Likewise.
3360         (finline-functions-called-once): Likewise.
3361
3362 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3363
3364         * c-typeck.c (composite_type): Keep mode for pointers.
3365
3366 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3367
3368         * function.h (regno_reg_rtx): Adjust comment.
3369         * reginfo.c (init_reg_modes_target): Only use the previous mode
3370         if it fits within one register.  Remove MIPS comment.
3371
3372 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3373
3374         PR bootstrap/52058
3375         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3376
3377 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3378
3379         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3380         to srak instruction.
3381
3382 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3383
3384         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3385
3386 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3387
3388         PR bootstrap/52041
3389         PR bootstrap/52039
3390         PR target/51974
3391         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3392
3393 2012-01-31  Richard Guenther  <rguenther@suse.de>
3394
3395         PR tree-optimization/51528
3396         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3397         assigns.
3398
3399 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR bootstrap/52041
3402         PR bootstrap/52039
3403         PR target/51974
3404         * ree.c (add_removable_extension): Change def_map argument
3405         to unsigned *, store in def_map 1 + offset into *insn_list vector
3406         instead of pointers into the vector.
3407         (find_removable_extensions): Adjust caller.
3408
3409 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3410
3411         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3412         Transform all "* quoted-c-code" to { c-code }.
3413         Remove redundant test for "optimize" in combine patterns.
3414         Move (include "avr-dimode.md") to end of file.
3415
3416 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3417
3418         PR target/51835
3419         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3420         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3421
3422 2012-01-30  Richard Guenther  <rguenther@suse.de>
3423
3424         PR tree-optimization/52028
3425         * tree-loop-distribution.c (ldist_gen): Properly update
3426         virtual SSA form.
3427
3428 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3429
3430         PR debug/52027
3431         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3432         set_cur_line_info_table if not emitting debug info.
3433
3434         PR tree-optimization/52046
3435         * tree-vect-patterns.c (check_bool_pattern): Give up if
3436         a comparison could throw.
3437
3438         PR debug/52048
3439         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3440
3441 2012-01-30  Richard Guenther  <rguenther@suse.de>
3442
3443         PR tree-optimization/52045
3444         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3445         SSA form if cfgcleanup did anything.
3446
3447 2012-01-30  Richard Guenther  <rguenther@suse.de>
3448
3449         PR tree-optimization/52045
3450         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3451         before computing final todo.
3452
3453 2012-01-30  Richard Guenther  <rguenther@suse.de>
3454
3455         PR tree-optimization/51528
3456         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3457         for PR51528 fix.
3458
3459 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3460
3461         * df-problems.c (df_kill_notes): Check that the use refers
3462         to the note under examination.
3463
3464 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3465
3466         PR target/51920
3467         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3468         parameter and use short-lived pseudos.
3469         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3470         (sparc_expand_vector_init): Const-ify local variables and adjust
3471         calls to above functions.
3472
3473 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3474
3475         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3476
3477 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3478
3479         * doc/invoke.texi: Make usage of "compile time" and
3480         "run time"/"runtime" consistent throughout the file.
3481
3482 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3483
3484         * config/alpha/alpha.c (alpha_option_override): Default to
3485         full IEEE compliance mode for Go language.
3486
3487 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3488
3489         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3490         (LINK_SSP_SPEC): Define.
3491
3492 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3493
3494         PR target/51871
3495         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3496         stubs.
3497
3498 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3499
3500         * doc/invoke.texi: Correct hyphenation of "floating point",
3501         "double precision", and related terminology throughout the file.
3502
3503 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3504
3505         PR target/52006
3506         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3507         arm_general_register_operand predicate for operand 2 instead of
3508         register_operand.
3509
3510 2012-01-27  Ian Lance Taylor  <iant@google.com>
3511
3512         PR go/47656
3513         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3514         * builtins.c (expand_builtin_init_trampoline): Add onstack
3515         parameter.  Change caller.
3516         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3517         * tree.c (build_common_builtin_nodes): Declare
3518         __builtin_init_heap_trampoline.
3519
3520 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3521
3522         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3523         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3524         * config/avr/avr.c: Ditto.
3525         (avr_regnames): Remove because unused.
3526         * config/avr/avr.md (*cpse.ne): New peephole.
3527         (*cpse.eq): New peephole from former cpse peepholes.
3528
3529 2012-01-27  Michael Eager  <eager@eagercon.com>
3530
3531         * config/microblaze.c (microblaze_emit_compare): Correct
3532         test after pcmp instruction.
3533
3534 2012-01-27  Richard Guenther  <rguenther@suse.de>
3535
3536         PR tree-optimization/52020
3537         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3538
3539 2012-01-27  Richard Guenther  <rguenther@suse.de>
3540
3541         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3542         function non-const/pure.
3543
3544 2012-01-27  Richard Guenther  <rguenther@suse.de>
3545
3546         PR tree-optimization/50444
3547         * tree-sra.c (build_ref_for_offset): Properly adjust the
3548         MEM_REF type for unaligned accesses.
3549
3550 2012-01-27  Richard Guenther  <rguenther@suse.de>
3551
3552         PR tree-optimization/50444
3553         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3554         (expand_assignment): Use it.  Properly handle misaligned
3555         bases when expanding stores to component references.
3556         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3557         refactor that case.
3558
3559 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3560
3561         PR middle-end/51389
3562         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3563         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3564         * tree-data-ref.c (find_data_references_in_loop): Make static.
3565         (compute_all_dependences): Change return type to bool.  Bail out
3566         for too many datarefs in a loop.  Move the hunk resetting the data
3567         dependences vector from ...
3568         (compute_data_dependences_for_loop): ... here.  Account for
3569         compute_all_dependences returning false.
3570         (compute_data_dependences_for_bb): Likewise.
3571         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3572         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3573
3574 2012-01-27  Richard Guenther  <rguenther@suse.de>
3575
3576         PR middle-end/51959
3577         * expr.c (store_field): Use the alias-set of the scratch memory
3578         for storing to it.
3579
3580 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3581
3582         PR tree-optimization/51990
3583         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3584         WITH_SIZE_EXPR.
3585         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3586
3587 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3588
3589         PR debug/52001
3590         * var-tracking.c (reverse_op): Don't add any reverse operation
3591         if V already has any constant locations.
3592
3593 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3594
3595         * doc/invoke.texi: Correct usage of "command line" (noun)
3596         vs "command-line" (adjective) throughout.
3597
3598 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3599
3600         * doc/invoke.texi (Language Independent Options): Move
3601         -Wcoverage-mismatch blurb from here....
3602         (Warning Options): ...to here.
3603
3604 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3605
3606         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3607         Set rs6000_always_hint to false for 476.
3608
3609 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3610
3611         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3612           system root.
3613         * incpath.c (add_standard_paths): Likewise.
3614
3615 2012-01-27  Richard Henderson  <rth@redhat.com>
3616
3617         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3618         * config/m68k/sync.md (atomic_test_and_set): Rename from
3619         sync_test_and_setqi and adjust the operands.
3620         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3621         and unconditionally enable.
3622
3623 2012-01-27  Richard Henderson  <rth@redhat.com>
3624
3625         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3626         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3627         (ldstub): Rename from ldstubqi.
3628         (ldstub<I24MODE>): Remove.
3629
3630 2012-01-27  Richard Henderson  <rth@redhat.com>
3631
3632         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3633         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3634         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3635         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3636         * doc/tm.texi: Rebuild.
3637
3638 2012-01-27  Richard Henderson  <rth@redhat.com>
3639
3640         * optabs.c (gen_atomic_test_and_set): Remove default.
3641         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3642
3643 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3644
3645         PR rtl-optimization/51978
3646         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3647         (combine_reaching_defs): Likewise.
3648         (struct re_info): Remove.
3649         (add_removable_extension): Remove x and data arguments,
3650         add insn, insn_list and def_map.  Use the arguments directly
3651         instead of using struct re_info.
3652         (find_removable_extensions): Don't call add_removable_extension
3653         through note_stores, instead just call it with single_set
3654         result if non-NULL.
3655         (find_and_remove_re): Pass curr_cand->expr instead of
3656         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3657
3658 2012-01-26  Michael Matz  <matz@suse.de>
3659
3660         PR tree-optimization/46590
3661         * cfgexpand.c: Revert last change (r183305).
3662         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3663         regs.
3664         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3665         checking for emptiness.
3666
3667 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3668
3669         PR middle-end/51895
3670         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3671         non-addressable non-BLKmode base correctly.
3672
3673 2012-01-26  Michael Matz  <matz@suse.de>
3674
3675         PR tree-optimization/48794
3676         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3677         regions referenced from RESX/EH_DISPATCH.
3678
3679 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3680
3681         * config/s390/s390.h: Make BRANCH_COST an option.
3682         * config/s390/s390.opt: New option -mbranch-cost.
3683
3684 2012-01-26  Richard Henderson  <rth@redhat.com>
3685
3686         Revert 2012-01-24 change:
3687         * trans-mem.c (requires_barrier): Do not instrument thread local
3688         variables and emit save/restore for them.
3689
3690 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3691
3692         PR middle-end/51986
3693         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3694         for pat == 0.
3695
3696 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3697
3698         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3699         ASM_OPERANDS.
3700
3701 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3702
3703         PR target/49868
3704         Rename __pgm to __flash.
3705         Rename __pgm1 to __flash1.
3706         Rename __pgm2 to __flash2.
3707         Rename __pgm3 to __flash3.
3708         Rename __pgm4 to __flash4.
3709         Rename __pgm5 to __flash5.
3710         Rename __pgmx to __memx.
3711         * doc/extend.texi (AVR Named Address Spaces)
3712         Rename address space names as indicated above.
3713         * config/avr/avr.c (avr_addrspace): Ditto.
3714
3715         * config/avr/avr-protos.h
3716         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3717         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3718         * config/avr/predicates.md: Ditto.
3719         * config/avr/avr.c Ditto, and
3720         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3721         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3722
3723         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3724         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3725         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3726         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3727         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3728         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3729         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3730         * config/avr/avr.c: Ditto.
3731         * config/avr/avr.md: Ditto.
3732
3733 2012-01-25  Jason Merrill  <jason@redhat.com>
3734
3735         PR c++/51992
3736         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3737
3738 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3739
3740         PR tree-optimization/51987
3741         * tree-data-ref.c (get_references_in_stmt): Handle references in
3742         non-volatile GIMPLE_ASM.
3743
3744 2012-01-25  Richard Guenther  <rguenther@suse.de>
3745
3746         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3747         bases are dereferenced.
3748
3749 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3750
3751         PR rtl-optimization/48374
3752         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3753
3754 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3755
3756         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3757         compute_data_dependences_for_loop returns false.
3758         * tree-parloops.c (loop_parallel_p): Likewise.
3759
3760 2012-01-25  Richard Guenther  <rguenther@suse.de>
3761
3762         * tree.h (get_pointer_alignment_1): Declare.
3763         * builtins.c (get_pointer_alignment_1): New function.
3764         (get_pointer_alignment): Use it.
3765
3766 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3767
3768         PR rtl-optimization/48308
3769         * combine.c (enum undo_kind): Add UNDO_LINKS.
3770         (struct undo): Add member l to other_contents and where.
3771         (do_SUBST_LINK): New.
3772         (SUBST_LINK): New.
3773         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3774         (undo_all): Handle UNDO_LINKS.
3775
3776 2012-01-25  Richard Henderson  <rth@redhat.com>
3777
3778         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3779         mem inputs.
3780
3781 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3782
3783         * optabs.c (gen_atomic_test_and_set): Use each argument.
3784
3785 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3786
3787         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3788         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3789         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3790         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3791         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3792         TARGET_PAIRED_SINGLE_FLOAT.
3793
3794 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3795
3796         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3797         (in_struct, return_val): Remove MEM documentation.
3798         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3799         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3800         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3801         and MEM_SCALAR.
3802         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3803         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3804         * expr.c (store_field): Likewise.
3805         * function.c (assign_stack_temp_for_type): Likewise.
3806         * ifcvt.c (noce_try_cmove_arith): Likewise.
3807         * reload1.c (reload): Likewise.
3808         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3809         (alpha_set_memflags): Likewise.
3810         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3811
3812 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3813
3814         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3815         parameter.
3816         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3817         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3818         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3819         varies parameter.
3820         * cselib.c (cselib_rtx_varies_p): Delete.
3821         (cselib_invalidate_mem): Update call to canon_true_dependence.
3822         * dse.c (record_store, check_mem_read_rtx): Likewise.
3823         (scan_reads_nospill): Likewise.
3824         * cse.c (check_dependence): Likewise.
3825         (cse_rtx_varies_p): Delete.
3826         * expr.c (safe_from_p): Update call to true_dependence.
3827         * ira.c (validate_equiv_mem_from_store): Likewise.
3828         (memref_referenced_p): Likewise.
3829         * postreload-gcse.c (find_mem_conflicts): Likewise.
3830         * sched-deps.c (sched_analyze_2): Likewise.
3831         * store-motion.c (load_kills_store): Likewise.
3832         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3833         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3834         (compute_transp): Update call to canon_true_dependence.
3835
3836 2012-01-25  Richard Henderson  <rth@redhat.com>
3837
3838         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3839         (maybe_emit_atomic_test_and_set): New.
3840         (expand_sync_lock_test_and_set): Use it.
3841         (expand_atomic_test_and_set): Likewise.
3842         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3843         the implementation; clarify implementation defined details.
3844         * doc/md.texi (atomic_test_and_set): Document.
3845
3846 2012-01-25  Richard Henderson  <rth@redhat.com>
3847
3848         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3849
3850 2012-01-25  Richard Henderson  <rth@redhat.com>
3851
3852         PR target/51968
3853         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3854         to effect no-op split.
3855
3856 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3857
3858         PR lto/51698
3859         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3860         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3861         (BT_FN_VOID_PTR_INT_SIZE): New.
3862         (BT_FN_UINT_UINT_VAR): Remove.
3863         (BT_FN_UINT32_UINT32_VAR): New.
3864         (BT_FN_DOUBLE_VPTR): Remove.
3865         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3866
3867         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3868         (_ITM_changeTransactionMode): Same.
3869         (_ITM_memmoveRtWt): Change return type to void.
3870         (_ITM_memcpyRtWt): Same.
3871         (_ITM_memsetW): Same.
3872         (_ITM_RaRD): Change types to double.
3873         (_ITM_RD): Same.
3874         (_ITM_RaWD): Same.
3875         (_ITM_RfWD): Same.
3876
3877         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3878
3879 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3880             Patrick Marlier  <patrick.marlier@gmail.com>
3881
3882         * trans-mem.c (requires_barrier): Do not instrument thread local
3883         variables and emit save/restore for them.
3884
3885 2012-01-24  Jason Merrill  <jason@redhat.com>
3886
3887         PR c++/51812
3888         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3889         output static aliases.
3890
3891 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3892
3893         PR driver/47249
3894         * common.opt (-pie, -shared, pie, shared): Change from Common to
3895         Driver.
3896         * gcc.c (display_help): Display help for -pie and -shared.
3897
3898 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3899
3900         PR target/49868
3901         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3902         Remove note on size/offset limitation.
3903         (AVR Variable Attributes): Add example how to read data located
3904         with progmem.  Refer to named address spaces.
3905         * doc/invoke.texi (AVR Options): Fix typo.
3906
3907 2012-01-24  Richard Guenther  <rguenther@suse.de>
3908
3909         Forward-port to trunk
3910         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3911
3912         PR middle-end/45678
3913         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3914         op0 isn't sufficiently aligned and there is movmisalignM
3915         insn for mode, use it to load op0 into a temporary register.
3916
3917 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3918
3919         PR target/51957
3920         * target.def (const_not_ok_for_debug_p): New hook.
3921         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3922         documentation.
3923         * doc/tm.texi: Regenerated.
3924         * dwarf2out.c (const_ok_for_output_1): If
3925         targetm.const_not_ok_for_debug_p returns true, fail.
3926         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3927         function.
3928         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3929
3930 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3931
3932         PR target/51900
3933         * config/i386/predicates.md (symbolic_operand): Allow
3934         UNSPEC_PCREL as PIC expression for lea.
3935         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3936         * config/i386/i386.c (ix86_delegitimize_address): Handle
3937         UNSPEC_PCREL for none-MEM, too.
3938
3939 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3940
3941         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3942         (ipa_tm_create_version_alias): Same.
3943
3944 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3945
3946         PR libitm/51830
3947         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3948         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3949
3950 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3951             Patrick Marlier  <patrick.marlier@gmail.com>
3952             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3953
3954         PR lto/51916
3955         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3956         simple_object_start_read.
3957
3958 2012-01-23  Richard Guenther  <rguenther@suse.de>
3959
3960
3961         PR tree-optimization/51895
3962         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3963         parameter decomposition into BLKmode components.
3964
3965 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3966
3967         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3968         fake variables for restrict-qualified pointers whose pointed-to type
3969         contains a placeholder.
3970
3971 2012-01-23  Richard Guenther  <rguenther@suse.de>
3972
3973         PR tree-optimization/51949
3974         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3975
3976 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3977
3978         PR rtl-optimization/51933
3979         * ree.c (transform_ifelse): Return true right away if dstreg is
3980         already wider or equal to cand->mode.
3981         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3982         (make_defs_and_copies_lists): Remove defs_list and copies_list
3983         arguments, add state argument, just truncate state->work_list
3984         instead of always allocating and freeing the vector.  Assert that
3985         get_defs succeeds instead of returning 2.  Changed return type to bool.
3986         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3987         have ext_src_mode, see if it has been modified already with the
3988         right kind of extension and has been extended before from the
3989         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3990         just return true.  Remember the original mode in state->modified array.
3991         (combine_reaching_defs): Add state argument.  Don't allocate and
3992         free here def_list, copied_list and vec vectors, instead just
3993         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3994         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3995         Add state variable, clear vectors in it, initialize state.modified
3996         if needed.  Free all the vectors at the end and state.modified too.
3997         Don't skip a candidate if the extension expression has been modified.
3998
3999 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4000
4001         PR target/47096
4002         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4003          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4004         (extra_options) interix.opt -> i386/interix.opt"
4005         (extra_objs):Add winnt-stubs.o
4006         * configure.ac: Add interix to target_os .comm on PE check.
4007         * configure: Regenerate.
4008         * config/interix3.h: Delete and move bits to..
4009         * config/interix.h: Delete and move bits to..
4010         * config/i386/i386-interix3.h: Delete and move bits to..
4011         * config/i386/i386-interix.h: ..here.
4012         (TARGET_CPU_DEFAULT): Remove redefinition.
4013         (TARGET_ASM_CONSTRUCTOR): Undefine.
4014         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4015         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4016         (PTRDIFF_TYPE): Define.
4017         (LONG_DOUBLE_TYPE_SIZE): Define.
4018         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4019         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4020         (TARGET_SECTION_TYPE_FLAGS): Define.
4021         (ASM_DECLARE_FUNCTION_NAME): Define.
4022         (ASM_OUTPUT_EXTERNAL): Define.
4023         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4024         (ASM_OUTPUT_ALIGNED_BSS): Define.
4025         (PCC_BITFIELD_TYPE_MATTERS): Define.
4026         (USE_CONST_SECTION): Define.
4027         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4028         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4029         (SUPPORTS_ONE_ONLY): Remove.
4030         (I386_PE_STRIP_ENCODING): Define.
4031         * config/interix.opt: Delete and move bits to..
4032         * config/i386/interix.opt: ..here. New.
4033         (mpe-aligned-commons): Add.
4034         * config/i386/t-interix: Add copyright header.
4035         (winnt-stubs.o): Add rule.
4036
4037 2012-01-22  Jason Merrill  <jason@redhat.com>
4038
4039         PR c++/51832
4040         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4041         for extra name aliases.
4042
4043 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4044
4045         PR rtl-optimization/51924
4046         * ree.c (combine_set_extension): Improve debugging message.
4047         (combine_reaching_defs): Likewise.
4048         (get_defs): Rename confusingly named variable.
4049         (find_and_remove_re): Skip a candidate if the extension expression has
4050         been modified.
4051
4052 2012-01-21  Robert Millan  <rmh@gnu.org>
4053             Gerald Pfeifer  <gerald@pfeifer.com>
4054
4055         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4056         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4057
4058 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4059
4060         PR tree-optimization/51914
4061         * tree-vect-stmts.c (vectorizable_conversion): For
4062         cvt_type && modifier == WIDEN, put temporary with cvt_type
4063         at the beginning of vec_dsts and set vec_dest to temporary
4064         with vectype_out.
4065
4066 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4067
4068         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4069
4070 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4071
4072         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4073         * config/rs6000/rs6000.c: Likewise.
4074
4075 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4076
4077         PR target/51915
4078         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4079         output_move_double on a copy of operands array.
4080
4081 2012-01-20  Cary Coutant  <ccoutant@google.com>
4082             Dodji Seketeli  <dodji@redhat.com>
4083
4084         PR debug/45682
4085         * dwarf2out.c (copy_declaration_context): Return ref to parent
4086         of declaration DIE, if necessary.
4087         (remove_child_or_replace_with_skeleton): Add new parameter; update
4088         caller.  Place skeleton DIE under parent DIE of original declaration.
4089         Move call to copy_declaration_context to here ...
4090         (break_out_comdat_types): ... from here.
4091
4092 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4093
4094         PR rtl-optimization/51856
4095         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4096         flag to reloaded.
4097
4098 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4099
4100         PR target/51819
4101         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4102         hints for neon loads and stores.
4103
4104 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4105
4106         PR target/49868
4107         PR target/50887
4108         * doc/extend.texi (Named Address Spaces): Split into subsections.
4109         (AVR Named Address Spaces): New subsection.
4110         (M32C Named Address Spaces): New subsection.
4111         (RL78 Named Address Spaces): New subsection.
4112         (SPU Named Address Spaces): New subsection.
4113         (Variable Attributes): New anchor "AVR Variable Attributes".
4114         (AVR Variable Attributes): Rewrite and avoid wording
4115         "address space" in this context.
4116         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4117         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4118         (AVR Built-in Macros): New subsubsection therein.
4119         * doc/md.texi (AVR constraints): Remove "C04", "R".
4120
4121 2012-01-20  Richard Guenther  <rguenther@suse.de>
4122
4123         PR tree-optimization/51903
4124         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4125         when removing stmts.
4126
4127 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4128
4129         PR target/50313
4130         * config/arm/arm.c (arm_load_pic_register): Use
4131         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4132         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4133         (arm_pic_static_addr): Likewise.
4134         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4135         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4136         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4137         (pic_load_addr_unified): New.
4138
4139 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4140
4141         PR target/51106
4142         * function.c (instantiate_virtual_regs_in_insn): Use
4143         delete_insn_and_edges when removing a wrong asm insn.
4144
4145 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4146
4147         PR rtl-optimization/40761
4148         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4149         Add new member loop_num.
4150         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4151         (ira_build): Remove the parameter.
4152
4153 &nb