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