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1 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         Backport from mainline:
4         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5
6         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
7         * config/pa/pa.c (pa_attr_length_millicode_call): Use
8         MAX_PCREL17F_OFFSET instead of fixed offset.
9         (pa_attr_length_call): Likewise.
10         (pa_attr_length_indirect_call): Likewise.
11
12 2012-06-15  Walter Lee <walt@tilera.com>
13
14         Backport from mainline:
15         2012-06-15  Walter Lee  <walt@tilera.com>
16         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>):
17           Fix typo.
18         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
19         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
20
21 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
22
23         Backport from mainline:
24
25         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
26         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
27         * gimple.h (block_in_transaction): Check for flag_tm.
28
29 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
30
31         PR tree-optimization/52558
32
33         Backport from mainline:
34         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
35         * gimple.h (gimple_set_in_transaction): Remove.
36         (gimple_in_transaction): Look in BB instead.
37         (gimple_statement_base): Remove in_transaction field.
38         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
39         * trans-mem.c (compute_transaction_bits): Place transaction bit
40         information into basic blocks.
41
42         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
43
44         PR tree-optimization/52558
45         * cfg.c (alloc_aux_for_edge): Fix comment.
46         (alloc_aux_for_edge): Remove static.
47         * basic-block.h (alloc_aux_for_edge): Protoize.
48         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
49         (execute_sm_if_changed_flag): New.
50         (execute_sm_if_changed_flag_set): New.
51         (execute_sm): Do not generate data races unless requested.
52         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
53         (tree_ssa_lim_finalize): Call free_aux_for_edges.
54         * gimple.h (block_in_transaction): New.
55         (gimple_in_transaction): Use block_in_transaction.
56
57 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
58
59         Backported from mainline
60         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
61
62         PR rtl-optimization/53589
63         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
64         discovery even when e->dest != target.  If any LABEL_REF points
65         to e->dest label, redirect it to target's label.
66
67         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
68
69         PR middle-end/53580
70         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
71         returns false, replace stmt with GIMPLE_NOP.
72         (check_omp_nesting_restrictions): Instead of issuing warnings,
73         issue errors and return false if any errors were reported.
74
75 2012-06-14  Richard Guenther  <rguenther@suse.de>
76
77         * BASE-VER: Set to 4.7.2.
78         * DEV-PHASE: Set to prerelease.
79
80 2012-06-12  Christian Bruel  <christian.bruel@st.com>
81
82         PR target/53621
83         * config/sh/sh.c (sh_option_override): Don't force
84          flag_omit_frame_pointer and maccumulate_outgoing_args.
85         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
86
87 2012-06-14  Release Manager
88
89         * GCC 4.7.1 released.
90
91 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
92
93         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
94
95 2012-06-13  Richard Henderson  <rth@redhat.com>
96
97         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
98         iterator instead of INT.
99
100 2012-06-08  Richard Henderson  <rth@redhat.com>
101
102         PR c++/53602
103         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
104         note to a clobber insn when no other insn is available.
105
106 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
107
108         PR c++/53524
109         * doc/invoke.texi (Wenum-compare): Update documentation.
110
111 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
112
113         PR target/53559
114         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
115         operands.
116         (altivec_stvlxl): Ditto.
117         (altivec_stvrx): Ditto.
118         (altivec_stvrxl): Ditto.
119
120 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
121
122         PR middle-end/47530
123         * trans-mem.c (expand_block_edges): Do not skip the first
124         statement when resetting the BB.
125
126 2012-06-04  Richard Guenther  <rguenther@suse.de>
127
128         PR middle-end/53471
129         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
130         create new assembler names.
131
132 2012-06-04  Richard Guenther  <rguenther@suse.de>
133
134         Backport from mainline
135         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
136
137         PR middle-end/52979
138         * stor-layout.c (get_best_mode): Don't return mode with bitsize
139         larger than maxbits.  Don't compute maxbits modulo align.
140         Also check that unit bytes long store at bitpos / unit * unit
141         doesn't affect bits beyond bitregion_end.
142         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
143         would not fit into bitregion_start ... bitregion_end + 1 bit
144         region.
145         (store_split_bit_field): Decrease unit close to end of bitregion_end
146         if access is restricted in order to avoid mutual recursion.
147
148 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
149
150         Backport from 2012-06-04 mainline r188172
151
152         PR target/46261
153         * config/avr/avr-stdint.h: New file.
154         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
155         newlib-stdint.h
156
157 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
158
159         PR tree-optimization/53550
160         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
161         is POINTER_TYPE_P, use sizetype as step type instead of type.
162
163 2012-06-04  Richard Guenther  <rguenther@suse.de>
164             Eric Botcazou  <ebotcazou@adacore.com>
165
166         Backport from mainline
167         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
168
169         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
170         Change type of BITOFFSET to signed.  Make sure the lower bound of
171         the computed range is non-negative by adjusting OFFSET and BITPOS.
172         (expand_assignment): Adjust call to get_bit_range.
173
174         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
175
176         * expr.c (get_bit_range): Return the null range if the enclosing record
177         is part of a larger bit field.
178
179         2012-03-20  Richard Guenther  <rguenther@suse.de>
180
181         * stor-layout.c (finish_bitfield_representative): Fallback
182         to conservative maximum size if the padding up to the next
183         field cannot be computed as a constant.
184         (finish_bitfield_layout): If we cannot compute the distance
185         between the start of the bitfield representative and the
186         bitfield member start a new representative.
187         * expr.c (get_bit_range): The distance between the start of
188         the bitfield representative and the bitfield member is zero
189         if the field offsets are not constants.
190
191         2012-03-16  Richard Guenther  <rguenther@suse.de>
192
193         * stor-layout.c (finish_bitfield_representative): Fall back
194         to the conservative maximum size if we cannot compute the
195         size of the tail padding.
196
197         2012-03-14  Richard Guenther  <rguenther@suse.de>
198
199         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
200         * stor-layout.c (start_bitfield_representative): New function.
201         (finish_bitfield_representative): Likewise.
202         (finish_bitfield_layout): Likewise.
203         (finish_record_layout): Call finish_bitfield_layout.
204         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
205         for QUAL_UNION_TYPE fields.
206         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
207         Stream DECL_BIT_FIELD_REPRESENTATIVE.
208         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
209
210         PR middle-end/52080
211         PR middle-end/52097
212         PR middle-end/48124
213         * expr.c (get_bit_range): Unconditionally extract bitrange
214         from DECL_BIT_FIELD_REPRESENTATIVE.
215         (expand_assignment): Adjust call to get_bit_range.
216
217 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
218
219         PR middle-end/53501
220         * fold-const.c (fold_binary_loc): Refine previous change.
221
222 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
223
224         Backport from mainline
225         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
226
227         PR target/52667
228         * config/sh/sh.c (find_barrier): Add equality check of last_got to
229         avoid going above orig insn.  Update comments.
230
231 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
232
233         Backport from mainline
234         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
235
236         PR target/52642
237         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
238         prologue for unwinder and profiler.
239
240 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
241
242         Backport from mainline
243         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
244
245         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
246
247 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
248
249         Backport from mainline
250         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
251
252         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
253         DBX_REGISTER_NUMBER.
254
255 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
256
257         Backport from mainline
258         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
259
260         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
261         operand is CONST_INT.  Take COSTS_N_INSNS into account.
262         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
263         shiftcosts.     
264
265 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
266
267         * config/avr/avr.opt (-msp8): Document it.
268         * doc/invoke.texi (AVR Options): Copy from trunk docu.
269
270 2012-05-31  Richard Guenther  <rguenther@suse.de>
271
272         PR middle-end/48493
273         * expr.c (expand_assignment): Do not use movmisalign on
274         non-memory.
275
276 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
277
278         PR target/52999
279         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
280         (pa_section_type_flags): New.
281         (pa_legitimate_constant_p): Revert previous change.
282
283 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
284
285         Backport from mainline
286         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
287
288         PR middle-end/53008
289         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
290         accessed indirectly.
291         (ipa_tm_create_version): Same.
292
293 2012-05-30  Jason Merrill  <jason@redhat.com>
294
295         PR c++/53220
296         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
297         about array compound literals.
298
299 2012-05-30  Richard Guenther  <rguenther@suse.de>
300
301         PR middle-end/53501
302         * fold-const.c (fold_binary_loc): Make sure to call
303         fold_plusminus_mult_expr with the original sign of operands.
304
305 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
306
307         * explow.c (probe_stack_range): Restore simple control flow and stop
308         again when the probe cannot be generated if HAVE_check_stack.
309
310 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
311
312         PR rtl-optimization/53519
313         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
314         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
315
316 2012-05-29  Richard Guenther  <rguenther@suse.de>
317
318         PR tree-optimization/53516
319         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
320         bitfield accesses.
321         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
322
323 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
324
325         Backport from mainline
326         2012-05-28  Richard Guenther  <rguenther@suse.de>
327
328         PR tree-optimization/53438
329         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
330
331 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
332
333         Backport from mainline
334         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
335
336         PR rtl-optimization/52528
337         * combine.c (can_combine_p): Add setting of subst_low_luid
338         before call to expand_field_assignment().
339
340 2012-05-26  Martin Jambor  <mjambor@suse.cz>
341
342         Backport from mainline
343         2012-05-23  Martin Jambor  <mjambor@suse.cz>
344
345         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
346
347 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
348
349         PR lto/52178
350         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
351         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
352
353 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
354
355         PR target/53435
356         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
357         (ix86_expand_vec_perm): Use int mode instead of float.
358
359 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
360
361         PR ada/52362
362         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
363         gnu_ld variables to yes.
364         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
365         (HAVE_GNU_AS): Likewise.
366         * config.in: Regenerate.
367         * configure: Likewise.
368
369 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
370
371         Backport from mainline
372         2012-03-12  Richard Guenther  <rguenther@suse.de>
373         * config/arm/arm.c (neon_dereference_pointer): Do not call
374         covert during RTL expansion.
375
376 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
377
378         Backport from mainline
379         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
380
381         PR target/53385
382         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
383         relied on signed overflow behavior.
384
385 2012-05-24  Richard Guenther  <rguenther@suse.de>
386
387         PR middle-end/53460
388         * tree-profile.c (tree_profiling): Cleanup the CFG if
389         execute_fixup_cfg requests it.
390
391 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
392
393         PR tree-optimization/53465
394         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
395         vr0 into *vr, then vrp_meet that.
396         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
397         have any equivalences.
398         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
399         first time.
400
401 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
402
403         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
404         size handling.
405         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
406         (iterative_hash_gimple_type): Adjust comment.
407         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
408         domain for an array type instead of the domain type itself.
409
410 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
411
412         Backport from 2012-05-23 mainline r187803
413
414         PR target/53448
415         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
416         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
417         ASM_OUTPUT_ALIGN.
418
419 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
420
421         Backport from 2012-05-03 mainline r187075
422
423         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
424         has_fma4 for AMD processors with both fma3 and fma4 support.
425
426 2012-05-22  Richard Guenther  <rguenther@suse.de>
427
428         PR tree-optimization/53408
429         * tree-vect-loop.c (vectorizable_induction): Properly check
430         the restriction that we cannot handle induction results from
431         the inner loop outside of the outer loop.
432
433 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
434
435         PR tree-optimization/53436
436         * omp-low.c (omp_build_component_ref): New function.
437         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
438
439         PR tree-optimization/53366
440         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
441         tests if complex_numbers == 2, but there are non-complex number loads
442         too.
443
444         PR tree-optimization/53409
445         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
446         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
447
448         PR tree-optimization/53410
449         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
450         instead of build_int_cst (type, 0) where vector types might be
451         involved.
452
453 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
454
455         PR c/53418
456         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
457         from folded operands before wrapping another around the
458         conditional expression.
459
460 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
461             Patrick Marlier  <patrick.marlier@gmail.com>
462
463         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
464         indirect calls.
465
466 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
467
468         Backport from mainline
469         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
470
471         PR target/53416
472         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
473         (UNSPECV_RDRAND): This.
474         (rdrand<mode>_1): Updated.
475
476 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
477
478         Backport from mainline
479         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
480
481         * config/i386/driver-i386.c (host_detect_local_cpu): Support
482         RDRND, F16C and FSGSBASE.
483
484 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
485
486         Backport from mainline
487         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
488
489         * tree-ssa-pre.c (can_value_number_call): Delete.
490         (compute_avail): Skip all statements with side effects.
491         <GIMPLE_CALL>: Skip calls to internal functions.
492
493 2012-05-18  David S. Miller  <davem@davemloft.net>
494
495         Backport r185385 from mainline
496         2012-03-14  Richard Guenther  <rguenther@suse.de>
497
498         PR middle-end/52584
499         * tree-vect-generic.c (type_for_widest_vector_mode): Take
500         element type instead of mode, use build_vector_type_for_mode
501         instead of the langhook, build a vector of proper signedness.
502         (expand_vector_operations_1): Adjust.
503
504 2012-05-18  Olivier Hainque  <hainque@adacore.com>
505
506         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
507         $(libsubdir) as libexecsubdir.
508
509 2012-05-16  Andrew Pinski  <apinski@cavium.com>
510
511         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
512         GIMPLE_ASSIGN.
513
514 2012-05-16  David S. Miller  <davem@davemloft.net>
515
516         * jump.c (delete_related_insns): If we remove a CALL, make sure
517         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
518
519 2012-05-16  Richard Henderson  <rth@redhat.com>
520
521         PR debug/52727
522         * combine-stack-adj.c (prev_active_insn_bb): New.
523         (next_active_insn_bb): New.
524         (force_move_args_size_note): New.
525         (combine_stack_adjustments_for_block): Use it.
526
527 2012-05-16  Olivier Hainque  <hainque@adacore.com>
528
529         * Makefile.in (install-no-fixedincludes): New target, former toplevel
530         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
531         Add comments and improve stamp preservation across the whole sequence.
532         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
533
534 2012-05-16  Richard Guenther  <rguenther@suse.de>
535
536         PR tree-optimization/53364
537         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
538         detect a view-conversion of the decl.
539
540 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
541
542         PR target/53358
543         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
544         that operands[2] is either immediate, or q_regs_operand.
545
546 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
547
548         Backport r187139 from mainline.
549         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
550
551         PR rtl-optimization/52804
552         * reload1.c (reload_reg_reaches_end_p): Check whether successor
553         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
554         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
555         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
556         RELOAD_FOR_OUTADDR_ADDRESS.
557
558 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
559
560         PR target/46098
561         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
562         generate target register for "load" class builtins.
563
564         Revert:
565         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
566
567         PR target/46098
568         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
569         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
570         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
571         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
572         (<sse>_movu<ssemodesuffix>): New expander.
573         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
574         (avx_movdqu<avxmodesuffix>): New expander.
575         (*sse2_movdqu): Rename from sse2_movdqu.
576         (sse2_movdqu): New expander.
577
578 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
579
580         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
581         lineno 1 the same as lineno 0 before first start file directive.
582         (optimize_macinfo_range): Likewise.
583
584         * dwarf2out.c (have_macinfo): Define.
585         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
586         attribute, don't force empty compilation unit and don't emit any
587         .debug_macinfo/.debug_macro section if macinfo_table is empty.
588
589 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
590
591         Backport from mainline
592         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
593
594         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
595         ORDERED and UNORDERED conditions.
596
597 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
598
599         * function.c (requires_stack_frame_p): If the function can throw
600         non-call exceptions, return true if the insn can throw internally.
601
602 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
603
604         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
605         DECL_ORIGINAL_TYPE if it is present.
606
607 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
608
609         Backport from 2012-05-12 mainline r187342.
610
611         PR target/53256
612         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
613         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
614         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
615         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
616         (expand_prologue): Move initialization of cfun->machine->is_naked,
617         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
618         (avr_set_current_function): ...this new static function.
619         (TARGET_SET_CURRENT_FUNCTION): New define.
620         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
621         checking attributes of current_function_decl.
622         (avr_regs_to_save): Ditto.
623         (signal_function_p): Rename to avr_signal_function_p.
624         (interrupt_function_p): Rename to avr_interrupt_function_p.
625
626         * doc/extend.texi (Function Attributes): Better explanation of
627         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
628         alphabetical order.
629
630 2012-05-09  Matthias Klose  <doko@ubuntu.com>
631
632         * gcc-ar.c (main): Don't check for execute bits for the plugin.
633
634 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
635
636         PR target/53272
637         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
638         when a constant source operand matches an "I" constraint, the "no
639         CC0 change" applies to a register-destination only, not a
640         strict_low_part-destination.
641
642 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
643
644         Backport from mainline:
645         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
646
647         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
648
649 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
650
651         PR tree-optimization/53239
652         * tree-vrp.c (get_value_range): Set VR of
653         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
654         to nonnull.
655
656 2012-05-07  Richard Guenther  <rguenther@suse.de>
657
658         PR tree-optimization/53195
659         * tree-inline.c (setup_one_parameter): Properly add referenced
660         vars from the parameters new known value.
661
662 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
663
664         Backport from mainline:
665         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
666
667         PR target/52999
668         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
669         in constant pool.
670
671 2012-05-04  Ian Lance Taylor  <iant@google.com>
672
673         * tree-vect-patterns.c (vect_single_imm_use): Correct return
674         values from false to NULL.
675
676 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
677
678         Backport from mainline
679         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
680
681         PR target/53228
682         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
683         (TARGET_CMOV): Rename from TARGET_CMOVE.
684         (TARGET_CMOVE): New define.
685         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
686         Do not set TARGET_CMOVE here.
687
688 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
689
690         Backport from mainline:
691
692         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
693
694         PR tree-optimization/52633
695         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
696         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
697         (vect_recog_over_widening_pattern): Remove handling of code that was
698         already detected as over-widening pattern.  Remove special handling
699         of "unsigned" cases.  Instead, support general case of conversion
700         of the shift result to another type.
701
702         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
703
704         * tree-vect-patterns.c (vect_single_imm_use): New function.
705         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
706         (vect_recog_over_widening_pattern): Likewise.
707         (vect_recog_widen_shift_pattern): Likewise.
708
709         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
710
711         PR tree-optimization/52870
712         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
713         presumed pattern statement is within the same loop or basic block.
714
715 2012-05-04  Richard Guenther  <rguenther@suse.de>
716
717         * common.opt (flto-report): Do not mark as Optimization.
718
719 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
720
721         PR target/48496
722         * recog.c (constrain_operands): If extra constraints are present, also
723         accept pseudo-registers with equivalent memory locations during reload.
724
725 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
726
727         Backport from the mainline
728         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
729
730         PR target/53199
731         * config/rs6000/rs6000.md (bswapdi splitters): If
732         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
733         default) is used, generate an alternate sequence that does not
734         depend on using indexed addressing.
735
736 2012-05-03  David S. Miller  <davem@davemloft.net>
737
738         PR target/52684
739         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
740         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
741         (sparc_emit_float_lib_cmp): Likewise.
742
743 2012-05-04  Martin Jambor  <mjambor@suse.cz>
744
745         Backport from mainline
746         2012-05-02  Martin Jambor  <mjambor@suse.cz>
747
748         PR lto/52605
749         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
750         of a variable when the contect is a function.
751
752 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
753
754         PR plugins/53126
755         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
756         append program name to it and pass that as first argument
757         to make_relative_prefix.  Always pass standard_libexec_prefix
758         as last argument to make_relative_prefix.  If
759         make_relative_prefix returns NULL, fall back to
760         standard_libexec_prefix.
761
762         PR debug/53174
763         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
764         removed.
765
766         PR target/53187
767         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
768         mode, return that mode.
769
770 2012-05-03  Richard Guenther  <rguenther@suse.de>
771
772         PR tree-optimization/53144
773         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
774         Rename to ...
775         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
776         with SSA name values.
777         (vn_reference_lookup_3): Adjust callers.
778
779 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
780
781         PR tree-optimization/53163
782         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
783         return value from compute_all_dependences.
784
785         PR rtl-optimization/53160
786         * ree.c (combine_reaching_defs): Handle the case where cand->insn
787         has been modified by ree pass already.
788
789 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
790
791         Backport from mainline
792         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
793
794         PR middle-end/53136
795         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
796         calls to cgraph_node_name in xstrdup.
797         (ipa_make_edge_direct_to_target): Ditto.
798         * tree-sra.c (convert_callers_for_node): Ditto.
799         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
800         * ipa-cp.c (perhaps_add_new_callers): Ditto.
801         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
802         (cgraph_materialize_all_clones): Ditto.
803         * ipa-inline.c (report_inline_failed_reason): Ditto.
804         (want_early_inline_function_p): Ditto.
805         (edge_badness): Ditto.
806         (update_edge_key): Ditto.
807         (flatten_function): Ditto.
808         (ipa_inline): Ditto.
809         (inline_always_inline_functions): Ditto.
810         (early_inline_small_functions): Ditto.
811
812 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
813
814         Backport from mainline
815         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
816
817         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
818         Introduce emul_name to select the right linker emulation for
819         powerpc64-*-freebsd*.
820         * configure: Regenerate.
821         * config.gcc: Add bits to support powerpc64-*-freebsd*.
822         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
823         * config/rs6000/freebsd64.h: New file.
824         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
825         POWERPC_FREEBSD.
826         (rs6000_savres_strategy): Likewise.
827         (rs6000_savres_routine_name): Likewise.
828         (rs6000_elf_file_end): Likewise.
829         * config/rs6000/t-freebsd64: New file.
830         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
831         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
832
833 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
834
835         Backport from mainline
836         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
837
838         PR target/53138
839         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
840
841 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
842
843         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
844         predicate to discriminate types.
845
846 2012-04-27  Richard Guenther  <rguenther@suse.de>
847
848         PR c/51527
849         * convert.c (convert_to_integer): Avoid infinite recursion for
850         target-defined built-in types.
851
852 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
853
854         PR target/53120
855         * config/cris/cris.md ("*andhi_lowpart_v32")
856         ("*andqi_lowpart_v32"): Change first input-only operand from
857         a (match_operand ...) to (match_dup 0).  Drop alternatives with
858         const_int-matching constraints for redundancy.
859         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
860         three-operand alternative.
861
862 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
863
864         Backport from mainline
865         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
866
867         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
868         (*addsi_2_zext): Ditto.
869         (*add<mode>_3): Ditto.
870         (*addsi_3_zext): Ditto.
871         (*add<mode>_5): Ditto.
872
873 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
874
875         PR c/52880
876         * c-typeck.c (set_nonincremental_init,
877         set_nonincremental_init_from_string): Pass true instead of false
878         as IMPLICIT to add_pending_init.
879
880 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
881
882         Backport from 2012-04-24 mainline r186768.
883
884         PR target/53065
885         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
886
887 2012-04-24  Richard Guenther  <rguenther@suse.de>
888
889         PR tree-optimization/53085
890         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
891         stores.
892
893 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
894
895         PR middle-end/53084
896         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
897         of MEM_REF.
898         (output_addressed_constants): Likewise.
899
900         PR middle-end/52999
901         * varasm.c (get_section): Don't ICE for section conflicts with
902         built-in section kinds.
903
904 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
905
906         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
907
908 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
909
910         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
911
912 2012-04-23  Richard Guenther  <rguenther@suse.de>
913
914         PR c/53060
915         * c-typeck.c (build_binary_op): Fix typo.
916
917 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
918
919         PR tree-optimizations/52891
920         * tree-vect-patterns.c (adjust_bool_pattern): Use
921         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
922         but with non-standard precision.
923
924 2012-04-22  Ian Lance Taylor  <iant@google.com>
925
926         * godump.c (go_output_typedef): Dump size of structs.
927
928 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
929
930         Backport from mainline:
931
932         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
933         hints for 'A' operand types.
934
935 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
936
937         Backport from 2012-04-19 mainline r186588.
938
939         PR target/53033
940         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
941         the case *(X+const).
942
943 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
944
945         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
946
947 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
948
949         PR target/53020
950         * config/i386/sync.md (atomic_<code><mode>): Rename to
951         atomic_<logic><mode>.
952
953 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
954
955         Backport from mainline
956         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
957
958         PR target/52932
959         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
960         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
961         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
962         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
963         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
964         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
965         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
966         gen_avx2_permvarv8sf.
967
968 2012-04-16  Martin Jambor  <mjambor@suse.cz>
969
970         Backported from mainline
971
972         2012-04-13  Martin Jambor  <mjambor@suse.cz>
973         PR middle-end/52939
974
975         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
976         fold_ctor_reference returns a zero constant.
977
978 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
979
980         Backported from mainline
981         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
982
983         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
984         and __ILP32__ for x32.
985
986 2012-04-13  Tom de Vries  <tom@codesourcery.com>
987
988         Backport from mainline r186418.
989
990         2012-04-13  Tom de Vries  <tom@codesourcery.com>
991
992         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
993         parameters vuse and vuse_escaped.
994         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
995         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
996         vuse1 != vuse2.
997
998 2012-04-13  Richard Guenther  <rguenther@suse.de>
999
1000         PR tree-optimization/52969
1001         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1002         the condition for the COND_EXPR and handle predicate negation
1003         by swapping the COND_EXPR arms.
1004
1005 2012-04-13  Richard Guenther  <rguenther@suse.de>
1006
1007         PR c/52862
1008         * convert.c (convert_to_pointer): Remove special-casing of
1009         zero.
1010
1011 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1012
1013         Backport from mainline
1014         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1015
1016         PR target/52775
1017         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1018         the list of options to enable the FCFID instruction.
1019         (TARGET_EXTRA_BUILTINS): Adjust comment.
1020
1021 2012-04-12  Richard Guenther  <rguenther@suse.de>
1022
1023         PR tree-optimization/52943
1024         * tree-chrec.h (chrec_is_positive): Remove.
1025         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1026         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1027         Return false for a constant zero instead of negative.
1028         (analyze_siv_subscript_cst_affine): Handle zero difference
1029         in the initial condition explicitely.
1030
1031 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1032
1033         PR middle-end/52894
1034         * varasm.c (process_pending_assemble_externals): Set
1035         pending_assemble_externals_processed true.
1036         (assemble_external): Call assemble_external_real if the pending
1037         assemble externals have been processed.
1038
1039 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1040
1041         PR target/52717
1042         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1043         the DECL generated for the special GOT helper.
1044
1045 2012-04-06  Walter Lee  <walt@tilera.com>
1046
1047         Backport from mainline
1048         2012-03-07  Walter Lee  <walt@tilera.com>
1049
1050         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1051         REG_CFA_* notes for the stack pointer.
1052         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1053         EH_RETURN_STACKADJ_RTX.
1054         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1055         generate REG_CFA_* notes for the stack pointer.
1056         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1057         by EH_RETURN_STACKADJ_RTX.
1058
1059 2012-04-06  Matt Turner  <mattst88@gmail.com>
1060
1061         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1062
1063 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1064
1065         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1066         of the destination isn't also a FP_REGS register.
1067
1068 2012-04-03  Richard Guenther  <rguenther@suse.de>
1069
1070         Backport from mainline
1071         2012-03-02  Richard Guenther  <rguenther@suse.de>
1072
1073         PR tree-optimization/52406
1074         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1075         (struct indices): Add unconstrained_base member.
1076         (struct dr_alias): Remove unused vops member.
1077         (DR_UNCONSTRAINED_BASE): New define.
1078         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1079         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1080         be an artificial access that covers the whole indexed object,
1081         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1082         plain decl base-objects to their MEM_REF variant.
1083         (dr_may_alias_p): When the base-object of either data reference
1084         has unknown size use only points-to information.
1085         (compute_affine_dependence): Make dumps easier to read and
1086         more verbose.
1087         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1088         DR_REF when looking for packed references.
1089         (vect_supportable_dr_alignment): Likewise.
1090
1091 2012-04-03  Richard Guenther  <rguenther@suse.de>
1092
1093         Backport from mainline
1094         2012-03-15  Richard Guenther  <rguenther@suse.de>
1095
1096         PR middle-end/52580
1097         * tree-data-ref.c (subscript_dependence_tester_1): Check
1098         all dimensions for non-conflicting access functions.
1099
1100 2012-04-03  Richard Guenther  <rguenther@suse.de>
1101
1102         Backport from mainline
1103         2012-03-06  Richard Guenther  <rguenther@suse.de>
1104
1105         PR middle-end/52493
1106         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1107
1108         2012-03-23  Richard Guenther  <rguenther@suse.de>
1109
1110         PR tree-optimization/52678
1111         * tree-vectorizer.h (struct _stmt_vec_info): Add
1112         loop_phi_evolution_part member.
1113         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1114         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1115         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1116         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1117         Use the cached evolution part and the PHI nodes value from
1118         the loop preheader edge instead of re-analyzing the evolution.
1119
1120         2012-03-26  Richard Guenther  <rguenther@suse.de>
1121
1122         PR tree-optimization/52701
1123         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1124         compute and set the evolution part of PHI nodes.
1125
1126         2012-03-30  Richard Guenther  <rguenther@suse.de>
1127
1128         PR tree-optimization/52754
1129         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1130         propagate arbitrary addresses into really plain dereferences.
1131
1132 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1133
1134         PR tree-optimization/52835
1135         * tree-data-ref.c (build_rdg): Return NULL if
1136         compute_data_dependences_for_loop failed.
1137
1138 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1139
1140         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1141         (stmt_can_make_abnormal_goto): Use it.
1142         (is_ctrl_altering_stmt): Likewise.
1143
1144 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1145
1146         Backported from mainline
1147         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1148
1149         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1150         is a builtin_stack_save in a dominating BB.
1151
1152 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1153
1154         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1155         crossing 128bit lane boundary.
1156
1157 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1158
1159         Backported from mainline
1160         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1161
1162         PR target/52698
1163         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1164         New prototype.
1165         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1166         * config/i386/i386.c: Include reload.h.
1167         (ix86_legitimize_reload_address): New function.
1168
1169 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1170
1171         Backported from mainline
1172         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1173
1174         PR middle-end/52693
1175         * tree-sra.c (sra_modify_assign): Do not call
1176         load_assign_lhs_subreplacements when working with an unscalarizable
1177         region.
1178
1179 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1180
1181         PR middle-end/52691
1182         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1183         __builtin_va_start to __builtin_next_arg if the latter is
1184         builtin_decl_explicit_p rather than when it is not.
1185
1186         PR middle-end/52750
1187         * tree-vect-generic.c (vector_element): Perform multiplication
1188         for pos in bitsizetype type instead of idx type.
1189
1190 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1191
1192         Backport from 2012-03-28 mainline r185910.
1193
1194         PR target/52692
1195         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1196         (avr_builtin_decl): New static function.
1197         (struct avr_builtin_description, avr_bdesc): Move up.
1198         Add GTY marker. Add field fndecl. Remove redundant field id.
1199         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1200         (avr_expand_builtin): Code cleanup because .id is removed.
1201
1202 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1203
1204         PR middle-end/51893
1205         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1206         targets.
1207
1208 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1209
1210         Backport from 2012-03-28 mainline r185907.
1211
1212         PR target/52737
1213         * config.gcc (tm_file): Remove avr/multilib.h.
1214
1215         * doc/invoke.texi (AVR Options): Adjust
1216         documentation of -mtiny-stack.
1217
1218         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1219         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1220         * config/avr/t-avr: Remove generation of multilib.h.
1221         * config/avr/t-multilib: Regenerate.
1222         * config/avr/multilib.h: Remove.
1223         * config/avr/avr.opt (-msp8): New option.
1224         (avr_sp8): New variable.
1225         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1226         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1227         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1228         (avr_device_to_sp8): New prototype.
1229         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1230         (DRIVER_SELF_SPECS): New define.
1231         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1232         __AVR_SP8__, __AVR_HAVE_SPH__.
1233         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1234         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1235         (avr_file_start): Ditto.
1236
1237 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1238
1239         PR target/52736
1240         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1241         instead of 8 in adjust_address.
1242
1243 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1244
1245         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1246         of a unit before computing the offset in units.
1247
1248 2012-03-27  Richard Guenther  <rguenther@suse.de>
1249
1250         PR middle-end/52720
1251         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1252         explicitely.
1253
1254 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1255
1256         PR target/52610
1257         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1258
1259 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1260
1261         PR middle-end/52640
1262         * varasm.c: Include pointer-set.h.
1263         (pending_assemble_externals_set): New pointer set.
1264         (process_pending_assemble_externals): Destroy the pointer set.
1265         (assemble_external): See if decl is in pending_assemble_externals_set,
1266         and add it to pending_assemble_externals if necessary.
1267         (init_varasm_once): Allocate pending_assemble_externals_set.
1268
1269 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1270
1271         Backported from mainline
1272         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1273
1274         PR target/50310
1275         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1276         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1277         (vector_ltgt<mode>): Likewise.
1278         (vector_ordered<mode>): Likewise.
1279         (vector_unordered<mode>): Likewise.
1280         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1281
1282 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1283
1284         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1285         Make static.
1286
1287 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1288
1289         Backported from mainline
1290         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1291
1292         PR target/48596
1293         PR target/48806
1294         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1295         GENERAL_REGS and FP_REGS for SImode.
1296
1297 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1298
1299         PR middle-end/52547
1300         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1301         on any new_local_var_chain vars declared during recursing on
1302         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1303
1304 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1305
1306         Backport from 2012-03-22 mainline r185692.
1307
1308         PR target/52496
1309         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1310         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1311         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1312         (delay_cycles_1, delay_cycles_2): Ditto.
1313         (delay_cycles_3, delay_cycles_4): Ditto.
1314         (nopv, *nopv): Ditto.
1315         (sleep, *sleep): Ditto.
1316         (wdr, *wdr): Ditto.
1317
1318         Backport from 2012-03-21 mainline r185605.
1319
1320         PR rtl-optimization/52543
1321         PR target/52461
1322         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1323         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1324         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1325         (avr_load_libgcc_p): Restrict to __flash loads.
1326         (avr_out_lpm): Only handle 1-byte loads from __flash.
1327         (avr_load_lpm): New function.
1328         (avr_find_unused_d_reg): Remove.
1329         (avr_out_lpm_no_lpmx): Remove.
1330         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1331         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1332         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1333         (load_<mode>, load_<mode>_clobber): New insns.
1334         (mov<mode>): For multi-byte move from non-generic
1335         16-bit address spaces: Expand to load_<mode> resp.
1336         load_<mode>_clobber.
1337         (load<mode>_libgcc): Remove expander.
1338         (split-lpmx): Remove split.
1339
1340         Backport from 2012-03-13 mainline r185329.
1341
1342         PR target/52488
1343         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1344         offset (size) to a value the insns can deal with.
1345         (expand_epilogue): Ditto.
1346
1347         Backport from 2012-03-12 mainline r185256.
1348
1349         PR target/52499
1350         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1351         type from reg_class_t to enum reg_class.
1352         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1353
1354         Backport from 2012-03-12 mainline r185253.
1355
1356         PR target/52148
1357         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1358         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1359         r184615 from 2012-02-28.
1360
1361         Backport from 2012-03-08 mainline r185105.
1362
1363         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1364         for constants in [-63,63].
1365
1366         Backport from 2012-03-08 mainline r185100.
1367
1368         PR target/52496
1369         * config/avr/avr.c (avr_mem_clobber): New static function.
1370         (avr_expand_delay_cycles): Add memory clobber operand to
1371         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1372         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1373         (enable_interrupt, disable_interrupt): New expander.
1374         (nopv, sleep, wdr): New expanders.
1375         (delay_cycles_1): Add memory clobber.
1376         (delay_cycles_2): Add memory clobber.
1377         (delay_cycles_3): Add memory clobber.
1378         (delay_cycles_4): Add memory clobber.
1379         (cli_sei): New insn from former "enable_interrupt",
1380         "disable_interrupt" with memory clobber.
1381         (*wdt): New insn from former "wdt" with memory clobber.
1382         (*nopv): Similar, but for "nopv".
1383         (*sleep): Similar, but for "sleep".
1384
1385         Backport from 2012-03-07 mainline r185043.
1386
1387         PR target/52484
1388         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1389
1390         Backport from 2012-03-07 mainline r185032.
1391
1392         PR target/52506
1393         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1394         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1395         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1396
1397         Backport from 2012-03-07 mainline r185031.
1398
1399         PR target/52505
1400         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1401         from RAM.
1402         * config/avr/avr.md (xload_8): Adjust insn length.
1403
1404         Backport from 2012-03-07 mainline r185030.
1405
1406         PR target/52461
1407         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1408         if RAMPZ affects reading from RAM.
1409
1410         Backport from 2012-03-05 mainline r184919.
1411
1412         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1413
1414 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1415
1416         Backport from mainline r185259.
1417
1418         PR other/52545
1419         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1420         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1421
1422 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1423
1424         Backported from mainline
1425         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR c/52577
1428         * c-parser.c (c_parser_postfix_expression)
1429         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1430
1431         * config/i386/smmintrin.h: Avoid /* within a comment.
1432         * config/i386/nmmintrin.h: Likewise.
1433
1434 2012-03-22  Richard Guenther  <rguenther@suse.de>
1435
1436         * BASE-VER: Set to 4.7.1.
1437         * DEV-PHASE: Set to prerelease.
1438
1439 2012-03-22  Release Manager
1440
1441         * GCC 4.7.0 released.
1442
1443 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1444
1445         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1446
1447 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1448             Andrew Pinski  <apinski@cavium.com>
1449
1450         PR middle-end/52592
1451         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1452         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1453         calls instead of __builtin_ir{int,ound}*.
1454
1455 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR c++/52582
1458         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1459         if c_node is NULL.
1460
1461 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1462
1463         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1464         Refer to GCC 4.7 version of c99status.html.
1465
1466 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1467
1468         Backport from mainline
1469         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1470
1471         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1472         redefine to be NULL if the current bit-size is different from the
1473         configured bit-size.
1474
1475         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1476         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1477         set the default tuning.  Add asserts to make sure the cpu and tune
1478         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1479         test whether the index is set, instead of > 0.
1480         (rs6000_file_start): Do not reset the default cpu if the current
1481         bit-size is different from the configured bit-size.
1482
1483 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1484
1485         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1486         binutils reference.
1487         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1488         Update binutils references.
1489         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1490         Update binutils reference.
1491         Update Sun as/GNU ld caveat.
1492         Document binutils largefile requirement for LTO plugin.
1493         Remove reference to alternate libpthread.
1494
1495 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1496
1497         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1498         reference.
1499         (Specific, mips-sgi-irix6): Likewise.
1500
1501 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1502
1503         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1504         * configure: Regenerate.
1505
1506 2012-03-07  Richard Henderson  <rth@redhat.com>
1507
1508         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1509         * config/m68k/sync.md (atomic_test_and_set): Use it.
1510         (atomic_test_and_set_1): Likewise.
1511
1512 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1513
1514         PR target/51417
1515         * Makefile.in: Let install-gcc-ar depend on installdirs,
1516         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1517         Don't double canonicalize if cross-compiling.
1518
1519 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1520
1521         * trans-mem.c: New typedef for tm_region_p.
1522         Define vector types for tm_region_p.
1523         (tm_region_init): Replace region_worklist to a vector called
1524         bb_regions.
1525
1526 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1527
1528         PR middle-end/52463
1529         * trans-mem.c (tm_region_init): Use last_basic_block.
1530
1531 2012-03-05  Richard Henderson  <rth@redhat.com>
1532
1533         PR tree-opt/52242
1534         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1535         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1536         BIGGEST_ALIGNMENT is aligned.
1537
1538 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1539
1540         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1541
1542 2012-03-05  Richard Henderson  <rth@redhat.com>
1543
1544         PR target/52481
1545         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1546         instead of calling negqi2 directly.
1547
1548 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1549
1550         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1551         (INTMAX_TYPE): Use it.
1552         (UINTMAX_TYPE): Likewise.
1553         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1554         (irix6_c_common_override_options): Declare.
1555         (C_COMMON_OVERRIDE_OPTIONS): Define.
1556         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1557         * config/mips/irix6-c.c: New file.
1558         * config/mips/t-irix6 (irix6-c.o): New target.
1559         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1560         cxx_target_objs.
1561
1562 2012-03-02  Richard Henderson  <rth@redhat.com>
1563
1564         * optabs.c (expand_atomic_test_and_set): Honor
1565         atomic_test_and_set_trueval even when atomic_test_and_set
1566         optab is not in use.
1567
1568 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1569
1570         Backport from mainline
1571         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1572
1573         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1574
1575 2012-03-02  Richard Guenther  <rguenther@suse.de>
1576
1577         * DEV-PHASE: Set to prerelease.
1578
1579 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1580
1581         * config.gcc (obsolete): Add all ARM targets using the FPA.
1582         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1583         * doc/install.texi: Avoid references to obsolete ARM ports.
1584
1585 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1586
1587         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1588
1589 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1590             Joern Rennecke  <joern.rennecke@embecosm.com>
1591
1592         * doc/extend.texi: Expand and update information on interrupt
1593         attribute for Epiphany.
1594
1595 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1596
1597         * config/sh/sh-protos.h: Update copyright notice dates.
1598         * config/sh/sh.h: Likewise.
1599         * config/sh/sh.md: Likewise.
1600         * config/sh/constraints.md: Likewise.
1601         * config/sh/predicates.md: Likewise.
1602
1603 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1604
1605         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1606         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1607
1608 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1609
1610         * config/sh/constraints.md: Fix comment typo.
1611
1612 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1613
1614         PR target/52408
1615         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1616         unsigned HOST_WIDE_INT.
1617         (zvdep_imm64): Likewise.
1618         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1619         (vdepi_and): Likewise.
1620         Likewise for unamed 64-bit patterns.
1621         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1622
1623 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1624
1625         PR debug/52001
1626         PR rtl-optimization/52417
1627         * cselib.c (cselib_any_perm_equivs): New variable.
1628         (cselib_reset_table): Check that it's not set when not
1629         preserving constants.
1630         (cselib_add_permanent_equiv): Set it.
1631         (cselib_have_permanent_equivalences): New.
1632         (cselib_init, cselib_finish): Reset it.
1633         * cselib.h (cselib_have_permanent_equivalences): Declare.
1634         * alias.c (get_addr): Restore earlier behavior when there
1635         aren't permanent equivalences.
1636
1637 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1638
1639         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1640         * config/v850/v850-modes.def: Fix copyright notice.
1641
1642 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1643
1644         * doc/extend.texi (AVR Built-in Functions): Document
1645         __builtin_avr_flash_segment.
1646
1647         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1648         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1649         (*split.flash_segment): New insn-and-split.
1650         * config/avr/avr.c (avr_init_builtins): Add local variables:
1651         const_memx_void_node, const_memx_ptr_type_node,
1652         char_ftype_const_memx_ptr.
1653
1654 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1655
1656         PR tree-optimization/52445
1657         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1658         add ssa_name_ver, offset and size fields and change store field
1659         to bool.
1660         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1661         (add_or_mark_expr): Likewise.  Only consider previous stores
1662         with the same size and offset.
1663         (nt_init_block): Only look at gimple_assign_single_p stmts,
1664         doesn't look at rhs2.
1665
1666 2012-03-01  Richard Guenther  <rguenther@suse.de>
1667
1668         PR middle-end/52443
1669         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1670         conversions from integral types to pointer types.
1671
1672 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1673
1674         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1675         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1676         unintentionally removed in r184616.
1677
1678 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1679
1680         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1681         3DNow from bdver1.
1682
1683 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1684             Uros Bizjak  <ubizjak@gmail.com>
1685
1686         PR target/52437
1687         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1688         alternatives, add "e" constraint to the new last alternative
1689         and ! to last 3 alternatives.
1690
1691 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1692
1693         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1694         DW_AT_artificial attributes at the end of the processing.
1695         (gen_array_type_die): Likewise.
1696         (gen_enumeration_type_die): Likewise.
1697         (gen_struct_or_union_type_die): Likewise.
1698         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1699         the parent type.
1700
1701 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1702
1703         PR middle-end/52419
1704         * expr.c (expand_assignment): If doing misaligned store that doesn't
1705         cover all mode bits, perform a RMW cycle.
1706
1707         PR tree-optimization/52429
1708         * tree-parloops.c (separate_decls_in_region_debug): Return early
1709         if var is LABEL_DECL.
1710
1711 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1712
1713         PR tree-optimization/52424
1714         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1715         calling dom_thread_across_edge.
1716
1717 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1718
1719         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1720
1721 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1722
1723         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1724         * config/avr/avr.c (avr_output_bld): Remove unused function.
1725         (avr_out_sbxx_branch): Use "%T" to print bit position.
1726
1727 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1728
1729         * config/avr/avr.md: Untabify.
1730
1731 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1732
1733         * config/avr/avr.md (eqne): New code iterator.
1734         (*dec-and-branchsi): Use it in text peephole's condition.
1735         (*dec-and-branchhi): Ditto.
1736         (*dec-and-branchqi): Ditto.
1737
1738 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1739
1740         PR target/49939
1741         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1742         the device does not have the skip-bug.
1743
1744 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1745
1746         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1747         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1748         -mpretend-cmove): New.
1749
1750 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR bootstrap/52397
1753         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1754         doesn't count DEBUG_INSN refs.
1755         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1756         for DEBUG_INSN refs.
1757
1758 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1759
1760         Partially revert:
1761
1762         2012-02-20  Richard Guenther  <rguenther@suse.de>
1763         PR tree-optimization/52298
1764         * tree-vect-stmts.c (vectorizable_load): Properly use
1765         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1766         outer loops.
1767
1768 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1769
1770         PR middle-end/51752
1771         * gimple.h (gimple_in_transaction): New.
1772         (gimple_set_in_transaction): New.
1773         (struct gimple_statement_base): Add in_transaction field.
1774         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1775         transaction loads.
1776         (tree_ssa_lim_initialize): Compute transaction bits.
1777         * tree.h (compute_transaction_bits): Protoize.
1778         * trans-mem.c (tm_region_init): Use the heap to store BB
1779         auxilliary data.
1780         (compute_transaction_bits): New.
1781
1782 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1783
1784         * gcc.c (display_help): Document --help=common and sort entries
1785         alphabetically.
1786
1787 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1788
1789         * doc/install.texi: Document check-$LANG specific shortcuts
1790
1791 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1792
1793         PR target/51534
1794         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1795         and vcgtu.
1796         * config/arm/arm_neon.h: Regenerate.
1797         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1798         (neon_vcgeu): New insn.
1799         (neon_vcgtu): Likewise.
1800         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1801         (ops): Unsigned comparison intrinsics call a different
1802         builtin.
1803
1804 2012-02-28  Richard Guenther  <rguenther@suse.de>
1805
1806         PR target/52407
1807         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1808         ordering for the VEC_CONCAT for two element vectors for
1809         V2SFmode, V2SImode and V2DImode.
1810
1811 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1812
1813         PR target/49448
1814         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1815         detecting big-endian triplets.
1816
1817 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1818
1819         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1820         mode if there is no type information available.
1821
1822 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1823
1824         PR tree-optimization/53207
1825         * doc/invoke.texi: Document as experimental and relying on graphite.
1826
1827 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1828
1829         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1830         of initializer to changes from r184614.
1831
1832 2012-02-28  Richard Guenther  <rguenther@suse.de>
1833
1834         PR tree-optimization/52395
1835         * tree-sra.c (build_ref_for_offset): Also look at the base
1836         TYPE_ALIGN when figuring out the alignment of the replacement.
1837
1838 2012-02-28  Richard Guenther  <rguenther@suse.de>
1839
1840         PR tree-optimization/52402
1841         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1842         mis-aligned types when creating the accesses at the call site.
1843
1844 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1845
1846         * config/avr/builtins.def: New file.
1847         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1848         * config/avr/avr.c (enum avr_builtin_id): Use it.
1849         (avr_init_builtins): Use it. And use avr_bdesc.
1850         (bdesc_1arg): Remove.
1851         (bdesc_2arg): Remove.
1852         (bdesc_3arg): Remove.
1853         (struct avr_builtin_description): Add field n_args.
1854         (avr_bdesc): New static variable using builtins.def.
1855         (avr_expand_builtin): Use it.
1856         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1857         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1858         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1859
1860 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1861
1862         PR target/52148
1863         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1864         match only one single hard register with respective hard reg rtx.
1865         (movmemx_<mode>): Ditto.
1866         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1867         insn anatomy of movmem[x]_<mode>.
1868         (avr_out_movmem): Same for printing assembler and operand usage.
1869
1870 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1871
1872         PR target/49868
1873         PR target/52261
1874         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1875         address spaces located outside of device flash.
1876
1877         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1878         (mcu_type_s): Add field n_flash.
1879         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1880         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1881         (AVR_MCU): Add N_FLASH argument.
1882         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1883         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1884         macro __FLASH<n> if that address space makes sense for the device.
1885         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1886         outside of target flash.
1887         (avr_asm_named_section): Ditto.
1888         (avr_asm_select_section): Ditto.
1889         (avr_addr_space_convert): Ditto.
1890         (avr_emit_movmemhi): Ditto.
1891         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1892         address space is outside of device flash.
1893         (avr_insert_attributes): Ditto.
1894         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1895         avr_current_arch->n_segments.
1896
1897 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1898
1899         PR target/52352
1900         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1901         TARGET_LP64.
1902         (*movabs<mode>_2): Likewise.
1903
1904 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1905
1906         PR target/52375
1907         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1908         s_register_operand in the test instead of REG_P.  Don't call
1909         gen_reg_rtx if it won't be used.
1910
1911         PR tree-optimization/52376
1912         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1913
1914 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1915
1916         * ifcvt.c (noce_get_condition): Check condition variable is not
1917         small_register_classes_for_mode_p before accepting.
1918
1919 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1920
1921         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1922
1923 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1924
1925         Revert:
1926         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1927         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1928         tuning parameters.
1929         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1930
1931 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1932
1933         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1934
1935 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1936
1937         * config/sh/predicates.md: Remove blank lines.
1938         * config/sh/sh.c: Fix typos in comments.
1939         * config/sh/constraints.md: Likewise.
1940         * config/sh/sh.md: Remove blank lines.
1941         Fix typos in comments.  Use ;; as comment characters.
1942
1943 2012-02-26  Walter Lee  <walt@tilera.com>
1944
1945         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1946         (replace_mov_pcrel_step2): Ditto.
1947
1948 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1949
1950         PR debug/52001
1951         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1952         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1953         and locs that reference values newer than the non-canonical value
1954         at hand.  Return the canonical value as a worst case.
1955         (memrefs_conflict_p): Walk canonical value's locs.
1956
1957         PR debug/52001
1958         * cselib.c (preserve_only_constants): Rename to...
1959         (preserve_constants_and_equivs): ... this.  Split out...
1960         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1961         of other preserved expressions too.
1962         (cselib_reset_table): Adjust.
1963         * var-tracking.c (reverse_op): Use canonical value to build
1964         reverse operation.
1965
1966 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1967
1968         * config/i386/i386.c (ix86_delegitimize_address): Handle
1969         UNSPEC_PCREL plus displacement.
1970
1971 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1972
1973         PR target/52261
1974         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1975         to test for unusedness in st X addressing.
1976
1977 2012-02-24  Richard Guenther  <rguenther@suse.de>
1978
1979         PR middle-end/52361
1980         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1981         (is_gimple_reg_type): Move inline ...
1982         * gimple.h (is_gimple_reg_type): ... here.
1983
1984 2012-02-24  Richard Guenther  <rguenther@suse.de>
1985
1986         PR middle-end/52361
1987         * passes.c (execute_function_todo): When verifying SSA form
1988         verify gimple form first.
1989         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1990
1991 2012-02-24  Richard Guenther  <rguenther@suse.de>
1992
1993         PR middle-end/52355
1994         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1995         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1996
1997 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1998
1999         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2000
2001 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2002
2003         * tree-phinodes.c (make_phi_node): Mark static.
2004         * tree-flow.h (make_phi_node): Remove extern decl.
2005         * doc/gimple.texi (make_phi_node): Remove documentation.
2006
2007 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2008
2009         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2010         * tree-ssa-sccvn.c (print_scc): Ditto.
2011
2012 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2013
2014         * doc/passes.texi (Full redundancy elimination): Fix typo.
2015
2016 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2017
2018         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2019
2020 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2021
2022         PR bootstrap/52287
2023         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2024
2025 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2026
2027         PR c/52290
2028         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2029
2030 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2031
2032         * config/avr/avr.md (code_stdname): Add ior, xor.
2033         (xior): New code iterator.
2034         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2035         (*<code_stdname><mode>qi.byte1-3): Ditto.
2036
2037 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2038
2039         PR tree-optimization/52019
2040         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2041         CLOBBER stmts.
2042
2043 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2044
2045         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2046         HAVE_INITFINI_ARRAY to work around namespace pollution in
2047         certain versions of newlib system headers.
2048         * config.in: Regenerate.
2049         * configure: Regenerate.
2050         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2051         instead of HAVE_INITFINI_ARRAY.
2052
2053 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2054
2055         PR target/52330
2056         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2057         is not offsettable memory reference.
2058
2059 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2060
2061         PR target/18145
2062         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2063         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2064
2065 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2066
2067         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2068         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2069
2070 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2071
2072         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2073         library on Solaris 8 even without TLS support.
2074         * configure: Regenerate.
2075
2076 2012-02-22  Richard Guenther  <rguenther@suse.de>
2077
2078         PR middle-end/52329
2079         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2080         for GIMPLE_DEBUG stmts.
2081
2082 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2083
2084         PR middle-end/51782
2085         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2086         according to the base object.
2087
2088 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2089
2090         PR rtl-optimization/50063
2091         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2092         and 2 (8-bit SP) in operand 2.
2093         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2094         setup to use movhi_sp_r instead of vanilla move to write SP.
2095         Adjust REG_CFA notes to superseed unspec.
2096         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2097         of vanilla move.
2098         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2099         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2100         irq_state 1 (IRQ known to be on) here.
2101
2102 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2103
2104         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2105         WORDS_BIG_ENDIAN.
2106         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2107         assign_hard_reg): Likewise.
2108
2109 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2110
2111         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2112
2113 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2114
2115         * config/avr/avr.md
2116         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2117         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2118
2119 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2120
2121         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2122         prototype from here to...
2123         * config/avr/avr.h: ...here.
2124
2125 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2126
2127         PR target/52294
2128         * thumb2.md (thumb2_shiftsi3_short): Split register and
2129         immediate shifts.  For register shifts tie operands 0 and 1.
2130         (peephole2 for above): Check that register-controlled shifts
2131         have suitably tied operands.
2132
2133 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2134
2135         PR target/52137
2136         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2137         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2138         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2139         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2140         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2141         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2142         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2143         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2144         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2145         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2146         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2147         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2148         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2149         bdver1_ssevector_avx256_unaligned_load,
2150         bdver1_ssevector_sse128_unaligned_load,
2151         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2152         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2153         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2154         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2155         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2156         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2157         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2158         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2159         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2160         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2161         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2162         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2163         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2164         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2165         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2166         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2167         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2168         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2169         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2170         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2171         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2172         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2173         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2174         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2175         bdver1_ssediv_double_load, bdver1_ssediv_double,
2176         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2177         Add "bdver2" attribute.
2178
2179 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2180
2181         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2182         default if possible and not specified otherwise.
2183
2184 2012-02-21  Richard Guenther  <rguenther@suse.de>
2185
2186         PR middle-end/52314
2187         * gimplify.c (create_tmp_from_val): Use the main variant type
2188         for the type of the temporary we create.
2189
2190 2012-02-21  Richard Guenther  <rguenther@suse.de>
2191
2192         PR tree-optimization/52324
2193         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2194         do not gimplify a MEM_REF address operand if it is already
2195         in suitable form.
2196
2197 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2198
2199         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2200         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2201
2202 2012-02-21  Richard Guenther  <rguenther@suse.de>
2203
2204         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2205         nested_in_vect_loop.
2206
2207 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2208
2209         PR tree-optimization/52318
2210         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2211         vdef also to non-pure/const call stmts in the sequence.
2212
2213 2012-02-20  David S. Miller  <davem@davemloft.net>
2214
2215         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2216         don't use the "rd %pc" instruction on v9 for PIC register loads.
2217
2218 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2219
2220         PR middle-end/52141
2221         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2222         in a transaction safe function.
2223
2224 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2225
2226         PR target/52238
2227         * stor-layout.c (place_field): Handle desired_align for
2228         ms-bitfields, too.
2229
2230 2012-02-20  Richard Guenther  <rguenther@suse.de>
2231
2232         PR tree-optimization/52298
2233         * tree-vect-stmts.c (vectorizable_store): Properly use
2234         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2235         outer loops.
2236         (vectorizable_load): Likewise.
2237         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2238         Access DR_STEP after ensuring it is not NULL.
2239
2240 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2241
2242         PR tree-optimization/52286
2243         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2244         optimization use double_int_to_tree instead of build_int_cst_wide,
2245         rewrite to use double_int vars.
2246
2247 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2248
2249         PR target/50166
2250         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2251         Define _start.
2252         Remove -e 0 from $gcc_cv_ld invocation.
2253         Only use __GLIBC_PREREQ if defined.
2254         Enable on Solaris since Solaris 8 patch.
2255         (gcc_SUN_LD_VERSION): New macro.
2256         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2257         gcc_SUN_LD_VERSION for version number format.
2258         * configure: Regenerate.
2259         * varasm.c (get_elf_initfini_array_priority_section): Set
2260         SECTION_NOTYPE for non-default priority.
2261         Use get_section instead of get_unnamed_section to emit
2262         .init_array/.fini_array with default priority.
2263
2264 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2265
2266         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2267         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2268         (mips_start_unique_function, mips_output_mips16_rdhwr)
2269         (mips_code_end): New functions.
2270         (TARGET_ASM_CODE_END): Define.
2271
2272 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2273
2274         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2275         to stubs with non-sibling calls.
2276
2277 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2278
2279         * doc/invoke.texi (-fira-* options): Copy-edit.
2280         (ira-* parameters): Copy-edit.
2281
2282 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2283
2284         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2285         GCC coding conventions.
2286
2287 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2288
2289         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2290         when used as adjectives.
2291
2292 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2293
2294         * doc/invoke.texi: Clean up "that"/"which" confusion.
2295
2296 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2297
2298         * system.h: Poison SMALL_REGISTER_CLASSES
2299         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2300         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2301
2302 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2303
2304         PR tree-optimization/52285
2305         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2306         when deciding if a call is a tail call or tail recursion.
2307
2308 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2309
2310         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2311         interger-constant displacement for UNSPEC_PCREL.
2312
2313 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2314
2315         PR rtl-optimization/52208
2316         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2317         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2318
2319         PR tree-optimization/52255
2320         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2321         loop->header has virtual PHI, but exit_e->dest doesn't, add
2322         virtual PHI to exit_e->dest and adjust all uses after the loop.
2323
2324         PR debug/52260
2325         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2326         children with clone_tree_hash, not after it.
2327
2328 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2329
2330         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2331         extended identifiers.
2332
2333 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2334
2335         PR middle-end/51929
2336         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2337         a same_body_alias, also test whether e->callee isn't a former
2338         or current clone of the decl this is a same body alias of.
2339
2340         PR translation/52264
2341         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2342
2343 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2344
2345         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2346
2347 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2348
2349         PR target/52199
2350         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2351         force_reg instead of copy_to_reg for better optimization.  Force
2352         non-register or memory operands into a register.
2353
2354 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2355
2356         * extend.texi: Reserve upper bits of memory model for future use.
2357
2358 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2359             Anatoly Sokolov <aesok@post.ru>
2360             Eric Weddington <eric.weddington@atmel.com>
2361
2362         PR target/52261
2363         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2364         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2365         Rewrite initializers for .macro.
2366         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2367         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2368         atxmega32d4, atxmega32x1.
2369         avrxmega4: atxmega64a3, atxmega64d3.
2370         avrxmega5: atxmega64a1, atxmega64a1u.
2371         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2372         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2373         avrxmega7: atxmega128a1, atxmega128a1u.
2374         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2375         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2376         (struct base_arch_s): Rename reserved to xmega_p.
2377         Rename reserved2 to have_rampd.
2378         (AVR_XMEGA): New define.
2379         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2380         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2381         * config/avr/predicates.md (io_address_operand): Take into
2382         account SFR offset.
2383         (low_io_address_operand): Ditto.
2384         (high_io_address_operand): Ditto.
2385         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2386         (enabled, movhi_sp_r): Use them.
2387         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2388         cpp_define_formatted to built-in define __AVR_ARCH__.
2389         (__AVR_XMEGA__): New built-in define.
2390         (__AVR_HAVE_RAMPD__): New built-in define.
2391         (__AVR_HAVE_RAMPX__): New built-in define.
2392         (__AVR_HAVE_RAMPY__): New built-in define.
2393         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2394
2395         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2396         (avr_option_override): Initialize them.
2397         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2398         (avr_init_expanders): Initialize them. No more block several calls.
2399         (emit_push_sfr): New static function.
2400         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2401         Handle AVR_XMEGA.
2402         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2403         (avr_print_operand): Print addreeses as symbols for
2404         RAMPX, RAMPY, RAMPD, CCP.
2405         (output_movhi): Handle AVR_XMEGA when writing to SP.
2406         (avr_out_movhi_mr_r_xmega): New static function.
2407         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2408         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2409         __RAMPD__,  __CCP__ as needed.
2410
2411         * config/avr/multilib.h: Regenerate.
2412         * config/avr/t-multilib: Regenerate.
2413         * config/avr/avr-tables.opt: Regenerate.
2414
2415 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2416
2417         PR tree-optimization/50561
2418         * graphite-flattening.c (lst_project_loop): Do not
2419         remove old scattering dimensions after flattening.
2420         (lst_do_flatten): Likewise.
2421
2422 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2423
2424         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2425         __builtin_avr_map8, __builtin_avr_map16.
2426         Document __builtin_avr_insert_bits.
2427
2428         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2429         (insert_bits): New insn.
2430         (adjust_len.map_bits): Rename to insert_bits.
2431         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2432         * avr-protos.h (avr_out_map_bits): Remove.
2433         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2434         * config/avr/constraints.md (Cxf,C0f): New.
2435         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2436         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2437         New built-in define __BUILTIN_AVR_INSERT_BITS.
2438         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2439         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2440         (avr_move_bits): Rewrite.
2441         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2442         functions.
2443         (avr_map_op_t): New typedef.
2444         (avr_map_op): New static variable.
2445         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2446         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2447         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2448         (bdesc_3arg, avr_expand_triop_builtin): New.
2449         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2450         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2451         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2452         (avr_map_equal_p, avr_map_sig_p): Remove.
2453         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2454         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2455         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2456         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2457         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2458         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2459
2460 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2461
2462         * config/c6x/c6x.md (reserve_cycles): New attribute.
2463         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2464         don't reserve functional units after the branch occurs.
2465
2466 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2467
2468         PR middle-end/52142
2469         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2470         functions into non-tm_pure functions.
2471
2472 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2473
2474         PR lto/52178
2475         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2476         (iterative_hash_canonical_type): Likewise.
2477         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2478         the dead edges.
2479
2480 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2481
2482         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2483         sched-group insn, it either remains alone or the entire list is pruned.
2484
2485 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2486
2487         * doc/install.texi (Prerequisites): Fix grammar.
2488         (Configuration): Likewise.
2489
2490 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2491
2492         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2493         MPC as part of GCC before describing configuring with --with-gmp etc.
2494         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2495         sources are present.
2496
2497 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2498
2499         PR debug/51950
2500         * dwarf2out.c (clone_tree_hash): New function.
2501         (copy_decls_walk): Use it instead of clone_tree.
2502
2503 2012-02-14  Richard Guenther  <rguenther@suse.de>
2504
2505         PR tree-optimization/52244
2506         PR tree-optimization/51528
2507         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2508         replacements for integral types.
2509
2510 2012-02-14  Walter Lee  <walt@tilera.com>
2511
2512         * config.gcc: Handle tilegx and tilepro.
2513         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2514         tilegx and tilepro.
2515         Add HAVE_AS_TLS check for tilegx and tilepro.
2516         * configure: Regenerate.
2517         * doc/contrib.texi: Add Mat Hostetter and self.
2518         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2519         Document instruction intrinsics and network accessing intrinsics.
2520         (TILEPro Built-in Functions): New node.  Document instruction
2521         intrinsics and network accessing intrinsics.
2522         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2523         (Specific, tilepro-*-linux*): Likewise.
2524         * doc/invoke.texi (TILE-Gx Options): New section.
2525         (TILEPro Options): New section.
2526         * doc/md.texi (TILE-Gx): New section.
2527         (TILEPro): New section.
2528         * common/config/tilegx/tilegx-common.c: New file.
2529         * common/config/tilepro/tilepro-common.c: New file.
2530         * config/tilegx/constraints.md: New file.
2531         * config/tilegx/linux.h: New file.
2532         * config/tilegx/mul-tables.c: New file.
2533         * config/tilegx/predicates.md: New file.
2534         * config/tilegx/sync.md: New file.
2535         * config/tilegx/t-tilegx: New file.
2536         * config/tilegx/tilegx-builtins.h: New file.
2537         * config/tilegx/tilegx-c.c: New file.
2538         * config/tilegx/tilegx-generic.md: New file.
2539         * config/tilegx/tilegx-modes.def: New file.
2540         * config/tilegx/tilegx-multiply.h: New file.
2541         * config/tilegx/tilegx-protos.h: New file.
2542         * config/tilegx/tilegx.c: New file.
2543         * config/tilegx/tilegx.h: New file.
2544         * config/tilegx/tilegx.md: New file.
2545         * config/tilegx/tilegx.opt: New file.
2546         * config/tilepro/constraints.md: New file.
2547         * config/tilepro/gen-mul-tables.cc: New file.
2548         * config/tilepro/linux.h: New file.
2549         * config/tilepro/mul-tables.c: New file.
2550         * config/tilepro/predicates.md: New file.
2551         * config/tilepro/t-tilepro: New file.
2552         * config/tilepro/tilepro-builtins.h: New file.
2553         * config/tilepro/tilepro-c.c: New file.
2554         * config/tilepro/tilepro-generic.md: New file.
2555         * config/tilepro/tilepro-modes.def: New file.
2556         * config/tilepro/tilepro-multiply.h: New file.
2557         * config/tilepro/tilepro-protos.h: New file.
2558         * config/tilepro/tilepro.c: New file.
2559         * config/tilepro/tilepro.h: New file.
2560         * config/tilepro/tilepro.md: New file.
2561         * config/tilepro/tilepro.opt: New file.
2562
2563 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2564
2565         PR tree-optimization/52210
2566         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2567         vect_model_simple_cost with two entry vect_def_type array instead
2568         of an address of dt.
2569
2570 2012-02-14  Richard Guenther  <rguenther@suse.de>
2571
2572         PR lto/52178
2573         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2574         Do not stream DECL_QUALIFIER.
2575         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2576         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2577         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2578
2579 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2580
2581         PR c/52181
2582         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2583         newdecl.
2584
2585 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2586
2587         PR bootstrap/52172
2588         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2589         * cselib.c (cselib_subst_to_values_from_insn): New function.
2590         * sched-deps.c (add_insn_mem_dependence,
2591         sched_analyze_1, sched_analyze_2): Use it.
2592
2593 2012-02-13  Jan Hubicka  <jh@suse.cz>
2594
2595         PR middle-end/52214
2596         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2597
2598 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2599
2600         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2601         (GTM_SELF_SPECS): Define if not already defined.
2602         (driver_self_specs): Add GTM_SELF_SPECS.
2603         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2604         (GTM_SELF_SPECS): Define.
2605         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2606         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2607
2608 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2609
2610         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2611         away if seen.
2612
2613         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2614
2615         PR middle-end/52230
2616         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2617         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2618
2619 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2620
2621         PR c/52190
2622         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2623
2624 2012-02-13  Richard Guenther  <rguenther@suse.de>
2625
2626         PR translation/52211
2627         * passes.c (enable_disable_pass): Fix typo.
2628
2629 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2630
2631         PR middle-end/52209
2632         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2633         XOR for reduce_bit_field if type is unsigned.
2634
2635 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2636
2637         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2638         disallow changes from SFmode to mode with different size in FP regs.
2639
2640 2012-02-12  Robert Millan  <rmh@gnu.org>
2641             Gerald Pfeifer <gerald@pfeifer.com>
2642
2643         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2644         Tweak comment.
2645
2646 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2647
2648         PR rtl-optimization/52175
2649         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2650         to frame-related instructions.
2651
2652 2012-02-10  Jason Merrill  <jason@redhat.com>
2653
2654         PR c++/51910
2655         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2656         (demangle_new_symbols): Fill it.
2657         (scan_linker_output): Walk it.
2658         (start_tweaking): Split out from scan_linker_output.
2659         (maybe_tweak): Update sym->chosen.
2660         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2661
2662 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2663
2664         PR debug/52132
2665         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2666
2667 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2668
2669         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2670         having the same mode as previous compare.
2671
2672 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2673
2674         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2675         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2676         (nonlocal_goto_internal): Likewise.
2677         (nonlocal_goto): Emit a use and an indirect jump directly.
2678
2679 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2680
2681         PR c/52190
2682         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2683         __atomic_{is,always}_lock_free.
2684
2685 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2686
2687         PR target/52146
2688         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2689         negative constant address for x32.
2690
2691 2012-02-10  Richard Henderson  <rth@redhat.com>
2692
2693         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2694         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2695         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2696
2697 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2698             Ira Rosen  <irar@il.ibm.com>
2699
2700         PR tree-optimization/50031
2701         * targhooks.c (default_builtin_vectorization_cost): Handle
2702         vec_promote_demote.
2703         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2704         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2705         all types of reduction and pattern statements.
2706         (vect_estimate_min_profitable_iters): Likewise.
2707         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2708         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2709         for explicit realigns.
2710         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2711         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2712         vec_promote_demote.
2713         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2714         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2715         vec_perm for VSX and handle vec_promote_demote.
2716
2717 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2718
2719         PR middle-end/52177
2720         * builtins.c (fold_builtin_atomic_always_lock_free,
2721         expand_builtin_atomic_always_lock_free,
2722         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2723         Return and/or test boolean_true_node/boolean_false_node instead of
2724         integer_one_node/integer_zero_node.
2725
2726 2012-02-10  Jan Hubicka  <jh@suse.cz>
2727
2728         PR middle-end/48600
2729         * predict.c (predict_paths_for_bb): Prevent looping.
2730         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2731
2732 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2733
2734         * config/arm/arm.c (output_move_double): In one case properly
2735         count number of instructions that will be emitted.
2736
2737 2012-02-10  Richard Guenther  <rguenther@suse.de>
2738
2739         PR translation/52193
2740         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2741
2742 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2743
2744         PR middle-end/52140
2745         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2746
2747 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2748
2749         PR debug/52165
2750         * var-tracking.c (emit_note_insn_var_location): If
2751         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2752         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2753         non-NOTE_DURING_CALL_P insn.
2754
2755 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2756
2757         PR middle-end/51867
2758         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2759
2760 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2761
2762         PR driver/48524
2763         * gcc.c (switch_matches) Support switches with separated form,
2764         -D and -U.
2765
2766 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2767
2768         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2769         (SP_ADDR): Ditto.
2770         (RAMPZ_ADDR): Ditto.
2771         * config/avr/avr.c (avr_addr_t): New typedef.
2772         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2773         (avr_init_expanders): Initialize it.
2774         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2775         SREG_ADDR.
2776         (expand_epilogue): Ditto.
2777         (avr_print_operand): Ditto.
2778         (avr_file_start): Ditto.
2779         (avr_emit_movmemhi): Ditto.
2780
2781 2012-02-08  Richard Guenther  <rguenther@suse.de>
2782
2783         PR tree-optimization/46886
2784         * tree-flow.h (do_while_loop_p): Declare.
2785         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2786         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2787
2788 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2789
2790         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2791         always succeed for integers larger than a native word.
2792
2793 2012-02-08  Richard Guenther  <rguenther@suse.de>
2794
2795         PR rtl-optimization/52170
2796         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2797         properly handle integer vector modes.
2798
2799 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2800
2801         PR gcov-profile/52150
2802         * coverage.c: Include target.h.
2803         (build_var): Call targetm.strip_name_encoding on the assembler name.
2804         Change one _ into . or $ if the target allows it.
2805         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2806
2807         PR rtl-optimization/52139
2808         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2809         is a BARRIER after emit_insn_after_noloc, move BB_END
2810         to the last non-BARRIER insn before it.
2811
2812 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2813
2814         PR middle-end/24306
2815         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2816         (mips_gimplify_va_arg_expr): Call it instead of
2817         std_gimplify_va_arg_expr.
2818
2819 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2820
2821         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2822         message for -mno-pointers-to-nested-function.
2823
2824 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         PR middle-end/51994
2827         * expr.c (get_inner_reference): If there is an offset, add a negative
2828         bit position to it (if any).
2829
2830 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2831
2832         PR rtl-optimization/52060
2833         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2834         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2835         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2836         and/or i0src_copy2 when needed.
2837
2838 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2839
2840         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2841         or LTOPLUGINSONAME if have_c.
2842
2843         * config/freebsd-spec.h: Add comment about what macros can be defined
2844         in this header.
2845         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2846         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2847         here instead.
2848
2849 2012-02-07  Richard Guenther  <rguenther@suse.de>
2850
2851         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2852         newline in -alias dumps.
2853
2854 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2855             Dave Korn  <dave.korn.cygwin@gmail.com>
2856
2857         PR target/40068
2858         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2859         Take care that typinfo gets dllexport-attribute.
2860
2861 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2862
2863         PR middle-end/52074
2864         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2865         if modifier < EXPAND_SUM call force_operand on the result.
2866
2867 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2868
2869         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2870         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2871         present.
2872         (epiphany_function_type): Replace types for specific interrupts with
2873         EPIPHANY_FUNCTION_INTERRUPT.
2874         (EPIPHANY_INTERRUPT_P): Update.
2875         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2876         New static function.
2877         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2878         <disinterrupt>: Affects type identity.
2879         (epiphany_handle_interrupt_attribute): Handle variable number of
2880         arguments.
2881         (epiphany_compute_function_type): Update for new
2882         epiphany_function_type definition.
2883         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2884         handlers with a longcall forwarder.
2885         (epiphany_start_function): Handle multiple interrupt arguments and/or
2886         forwarder_section attribute.
2887
2888         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2889         libgloss.
2890
2891 2012-02-07  Alan Modra  <amodra@gmail.com>
2892
2893         PR target/52107
2894         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2895         subregs of TFmode.
2896
2897 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2898
2899         PR tree-optimization/50969
2900         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2901         use vec_perm rather than vector_stmt.
2902         (vect_model_load_cost): Likewise.
2903         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2904         vec_perm to be the same as other vector statements.
2905         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2906         cost of vec_perm for TARGET_VSX.
2907
2908 2012-02-06  Richard Guenther  <rguenther@suse.de>
2909
2910         PR tree-optimization/52115
2911         * tree-sra.c (access_has_replacements_p): New function.
2912         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2913
2914 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2915
2916         PR middle-end/52047
2917         * trans-mem.c (expand_call_tm): Add an assertion.
2918         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2919         functions.
2920
2921 2012-02-06  Richard Guenther  <rguenther@suse.de>
2922
2923         PR tree-optimization/50955
2924         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2925         raise cost of expressions that replace an address with an
2926         expression based on a different pointer.
2927
2928 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2929
2930         PR target/52129
2931         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2932         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2933
2934 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2935
2936         PR c++/48680
2937         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2938         -Weffc++ and specify guidelines come from second edition.
2939
2940 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2941
2942         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2943         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2944         (call_direct_split, call_value_split, call_value_internal_direct)
2945         (call_value_direct_split, call_value_multiple_split): Use jal and
2946         jal_macro attributes.
2947
2948 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2949
2950         * reload1.c (reload_regs_reach_end_p): Replace with...
2951         (reload_reg_rtx_reaches_end_p): ...this function.
2952         (new_spill_reg_store): Update commentary.
2953         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2954         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2955         before setting new_spill_reg_store.
2956         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2957         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2958         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2959         for non-spill reload registers.
2960
2961 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2962
2963         PR tree-optimization/52091
2964         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2965         (vect_is_simple_use_1): Likewise.
2966         * tree-vect-loop.c (vectorizable_reduction): Update calls
2967         to vect_is_simple_use_1 and vect_is_simple_use.
2968         (vectorizable_live_operation): Likewise.
2969         * tree-vect-patterns.c (widened_name_p,
2970         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2971         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2972         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2973         vectorizable_shift,vectorizable_operation, vectorizable_store,
2974         vectorizable_load): Likewise.
2975         (vect_is_simple_cond): Add an argument, pass it to
2976         vect_is_simple_use_1.
2977         (vectorizable_condition): Update calls to vect_is_simple_cond,
2978         vect_is_simple_use.
2979         (vect_is_simple_use): Add an argument, the statement in which
2980         OPERAND is used.  Check that if OPERAND's def stmt is a double
2981         reduction phi node, the use is a phi node too.
2982         (vect_is_simple_use_1): Add an argument, pass it to
2983         vect_is_simple_use.
2984         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2985         to vect_is_simple_use.
2986
2987 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2988
2989         PR rtl-optimization/52095
2990         * modulo-sched.c (dump_insn_locator): New function.
2991         (loop_canon_p, sms_schedule): Use it.
2992
2993         PR rtl-optimization/52113
2994         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2995         even for decomposable shift/zext insns.
2996
2997 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2998             Zdenek Dvorak  <ook@ucw.cz>
2999
3000         PR rtl-optimization/52092
3001         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3002         on get_iv_value result.
3003
3004 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3005
3006         PR middle-end/47982
3007         PR middle-end/43967
3008         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3009
3010 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3011
3012         PR middle-end/48071
3013         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3014
3015 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3016
3017         PR rtl-optimization/49800
3018         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3019         (sched_finish): Call regstat_free_n_sets_and_refs.
3020
3021 2012-02-02  Jia Liu  <proljc@gmail.com>
3022
3023         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3024         than operand 2.
3025
3026 2012-02-02  Jan Hubicka  <jh@suse.cz>
3027             Tom de Vries  <tom@codesourcery.com>
3028
3029         PR middle-end/51998
3030         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3031         * varpool.c (varpool_analyze_pending_decls): Likewise.
3032
3033 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3034             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3035
3036         * config.gcc: Add cr16-* support.
3037
3038         * doc/extend.texi: Document cr16 extensions.
3039         * doc/install.texi: Document cr16 install.
3040         * doc/invoke.texi: Document cr16 options.
3041         * doc/md.texi: Document cr16 constraints.
3042
3043         * common/config/cr16/cr16-common.c: New file.
3044         * config/cr16/cr16.c: New file.
3045         * config/cr16/cr16.h: New file.
3046         * config/cr16/cr16.md: New file.
3047         * config/cr16/cr16.opt: New file.
3048         * config/cr16/cr16-protos.h: New file.
3049         * config/cr16/predicates.md: New file.
3050         * config/cr16/constraints.md: New file.
3051         * config/cr16/t-cr16: New file.
3052
3053 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3054
3055         PR target/52086
3056         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3057         that operands[2] is either immediate, or q_regs_operand.
3058
3059         PR tree-optimization/52073
3060         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3061         a pattern stmt for pattern uses, ignore uses outside of the loop.
3062
3063 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3064
3065         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3066         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3067         (OUT_AS1, OUT_AS2): Remove.
3068
3069 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3070
3071         PR rtl-optimization/51374
3072         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3073         to cross other volatile_refs_p insns.
3074
3075 2012-02-01  Richard Guenther  <rguenther@suse.de>
3076
3077         * doc/invoke.texi (fno-inline): Clarify documentation.
3078         (finline-small-functions): Likewise.
3079         (finline-functions): Likewise.
3080         * common.opt (finline): Adjust comment and documentation.
3081         (finline-small-functions): Clarify documentation.
3082         (finline-functions): Likewise.
3083         (finline-functions-called-once): Likewise.
3084
3085 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3086
3087         * c-typeck.c (composite_type): Keep mode for pointers.
3088
3089 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3090
3091         * function.h (regno_reg_rtx): Adjust comment.
3092         * reginfo.c (init_reg_modes_target): Only use the previous mode
3093         if it fits within one register.  Remove MIPS comment.
3094
3095 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3096
3097         PR bootstrap/52058
3098         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3099
3100 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3101
3102         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3103         to srak instruction.
3104
3105 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3106
3107         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3108
3109 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3110
3111         PR bootstrap/52041
3112         PR bootstrap/52039
3113         PR target/51974
3114         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3115
3116 2012-01-31  Richard Guenther  <rguenther@suse.de>
3117
3118         PR tree-optimization/51528
3119         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3120         assigns.
3121
3122 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3123
3124         PR bootstrap/52041
3125         PR bootstrap/52039
3126         PR target/51974
3127         * ree.c (add_removable_extension): Change def_map argument
3128         to unsigned *, store in def_map 1 + offset into *insn_list vector
3129         instead of pointers into the vector.
3130         (find_removable_extensions): Adjust caller.
3131
3132 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3133
3134         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3135         Transform all "* quoted-c-code" to { c-code }.
3136         Remove redundant test for "optimize" in combine patterns.
3137         Move (include "avr-dimode.md") to end of file.
3138
3139 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3140
3141         PR target/51835
3142         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3143         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3144
3145 2012-01-30  Richard Guenther  <rguenther@suse.de>
3146
3147         PR tree-optimization/52028
3148         * tree-loop-distribution.c (ldist_gen): Properly update
3149         virtual SSA form.
3150
3151 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3152
3153         PR debug/52027
3154         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3155         set_cur_line_info_table if not emitting debug info.
3156
3157         PR tree-optimization/52046
3158         * tree-vect-patterns.c (check_bool_pattern): Give up if
3159         a comparison could throw.
3160
3161         PR debug/52048
3162         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3163
3164 2012-01-30  Richard Guenther  <rguenther@suse.de>
3165
3166         PR tree-optimization/52045
3167         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3168         SSA form if cfgcleanup did anything.
3169
3170 2012-01-30  Richard Guenther  <rguenther@suse.de>
3171
3172         PR tree-optimization/52045
3173         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3174         before computing final todo.
3175
3176 2012-01-30  Richard Guenther  <rguenther@suse.de>
3177
3178         PR tree-optimization/51528
3179         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3180         for PR51528 fix.
3181
3182 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3183
3184         * df-problems.c (df_kill_notes): Check that the use refers
3185         to the note under examination.
3186
3187 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3188
3189         PR target/51920
3190         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3191         parameter and use short-lived pseudos.
3192         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3193         (sparc_expand_vector_init): Const-ify local variables and adjust
3194         calls to above functions.
3195
3196 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3197
3198         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3199
3200 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3201
3202         * doc/invoke.texi: Make usage of "compile time" and
3203         "run time"/"runtime" consistent throughout the file.
3204
3205 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3206
3207         * config/alpha/alpha.c (alpha_option_override): Default to
3208         full IEEE compliance mode for Go language.
3209
3210 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3211
3212         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3213         (LINK_SSP_SPEC): Define.
3214
3215 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3216
3217         PR target/51871
3218         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3219         stubs.
3220
3221 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3222
3223         * doc/invoke.texi: Correct hyphenation of "floating point",
3224         "double precision", and related terminology throughout the file.
3225
3226 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3227
3228         PR target/52006
3229         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3230         arm_general_register_operand predicate for operand 2 instead of
3231         register_operand.
3232
3233 2012-01-27  Ian Lance Taylor  <iant@google.com>
3234
3235         PR go/47656
3236         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3237         * builtins.c (expand_builtin_init_trampoline): Add onstack
3238         parameter.  Change caller.
3239         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3240         * tree.c (build_common_builtin_nodes): Declare
3241         __builtin_init_heap_trampoline.
3242
3243 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3244
3245         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3246         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3247         * config/avr/avr.c: Ditto.
3248         (avr_regnames): Remove because unused.
3249         * config/avr/avr.md (*cpse.ne): New peephole.
3250         (*cpse.eq): New peephole from former cpse peepholes.
3251
3252 2012-01-27  Michael Eager  <eager@eagercon.com>
3253
3254         * config/microblaze.c (microblaze_emit_compare): Correct
3255         test after pcmp instruction.
3256
3257 2012-01-27  Richard Guenther  <rguenther@suse.de>
3258
3259         PR tree-optimization/52020
3260         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3261
3262 2012-01-27  Richard Guenther  <rguenther@suse.de>
3263
3264         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3265         function non-const/pure.
3266
3267 2012-01-27  Richard Guenther  <rguenther@suse.de>
3268
3269         PR tree-optimization/50444
3270         * tree-sra.c (build_ref_for_offset): Properly adjust the
3271         MEM_REF type for unaligned accesses.
3272
3273 2012-01-27  Richard Guenther  <rguenther@suse.de>
3274
3275         PR tree-optimization/50444
3276         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3277         (expand_assignment): Use it.  Properly handle misaligned
3278         bases when expanding stores to component references.
3279         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3280         refactor that case.
3281
3282 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3283
3284         PR middle-end/51389
3285         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3286         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3287         * tree-data-ref.c (find_data_references_in_loop): Make static.
3288         (compute_all_dependences): Change return type to bool.  Bail out
3289         for too many datarefs in a loop.  Move the hunk resetting the data
3290         dependences vector from ...
3291         (compute_data_dependences_for_loop): ... here.  Account for
3292         compute_all_dependences returning false.
3293         (compute_data_dependences_for_bb): Likewise.
3294         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3295         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3296
3297 2012-01-27  Richard Guenther  <rguenther@suse.de>
3298
3299         PR middle-end/51959
3300         * expr.c (store_field): Use the alias-set of the scratch memory
3301         for storing to it.
3302
3303 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3304
3305         PR tree-optimization/51990
3306         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3307         WITH_SIZE_EXPR.
3308         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3309
3310 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR debug/52001
3313         * var-tracking.c (reverse_op): Don't add any reverse operation
3314         if V already has any constant locations.
3315
3316 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3317
3318         * doc/invoke.texi: Correct usage of "command line" (noun)
3319         vs "command-line" (adjective) throughout.
3320
3321 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3322
3323         * doc/invoke.texi (Language Independent Options): Move
3324         -Wcoverage-mismatch blurb from here....
3325         (Warning Options): ...to here.
3326
3327 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3328
3329         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3330         Set rs6000_always_hint to false for 476.
3331
3332 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3333
3334         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3335           system root.
3336         * incpath.c (add_standard_paths): Likewise.
3337
3338 2012-01-27  Richard Henderson  <rth@redhat.com>
3339
3340         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3341         * config/m68k/sync.md (atomic_test_and_set): Rename from
3342         sync_test_and_setqi and adjust the operands.
3343         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3344         and unconditionally enable.
3345
3346 2012-01-27  Richard Henderson  <rth@redhat.com>
3347
3348         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3349         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3350         (ldstub): Rename from ldstubqi.
3351         (ldstub<I24MODE>): Remove.
3352
3353 2012-01-27  Richard Henderson  <rth@redhat.com>
3354
3355         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3356         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3357         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3358         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3359         * doc/tm.texi: Rebuild.
3360
3361 2012-01-27  Richard Henderson  <rth@redhat.com>
3362
3363         * optabs.c (gen_atomic_test_and_set): Remove default.
3364         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3365
3366 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3367
3368         PR rtl-optimization/51978
3369         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3370         (combine_reaching_defs): Likewise.
3371         (struct re_info): Remove.
3372         (add_removable_extension): Remove x and data arguments,
3373         add insn, insn_list and def_map.  Use the arguments directly
3374         instead of using struct re_info.
3375         (find_removable_extensions): Don't call add_removable_extension
3376         through note_stores, instead just call it with single_set
3377         result if non-NULL.
3378         (find_and_remove_re): Pass curr_cand->expr instead of
3379         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3380
3381 2012-01-26  Michael Matz  <matz@suse.de>
3382
3383         PR tree-optimization/46590
3384         * cfgexpand.c: Revert last change (r183305).
3385         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3386         regs.
3387         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3388         checking for emptiness.
3389
3390 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3391
3392         PR middle-end/51895
3393         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3394         non-addressable non-BLKmode base correctly.
3395
3396 2012-01-26  Michael Matz  <matz@suse.de>
3397
3398         PR tree-optimization/48794
3399         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3400         regions referenced from RESX/EH_DISPATCH.
3401
3402 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3403
3404         * config/s390/s390.h: Make BRANCH_COST an option.
3405         * config/s390/s390.opt: New option -mbranch-cost.
3406
3407 2012-01-26  Richard Henderson  <rth@redhat.com>
3408
3409         Revert 2012-01-24 change:
3410         * trans-mem.c (requires_barrier): Do not instrument thread local
3411         variables and emit save/restore for them.
3412
3413 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3414
3415         PR middle-end/51986
3416         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3417         for pat == 0.
3418
3419 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3420
3421         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3422         ASM_OPERANDS.
3423
3424 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3425
3426         PR target/49868
3427         Rename __pgm to __flash.
3428         Rename __pgm1 to __flash1.
3429         Rename __pgm2 to __flash2.
3430         Rename __pgm3 to __flash3.
3431         Rename __pgm4 to __flash4.
3432         Rename __pgm5 to __flash5.
3433         Rename __pgmx to __memx.
3434         * doc/extend.texi (AVR Named Address Spaces)
3435         Rename address space names as indicated above.
3436         * config/avr/avr.c (avr_addrspace): Ditto.
3437
3438         * config/avr/avr-protos.h
3439         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3440         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3441         * config/avr/predicates.md: Ditto.
3442         * config/avr/avr.c Ditto, and
3443         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3444         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3445
3446         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3447         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3448         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3449         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3450         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3451         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3452         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3453         * config/avr/avr.c: Ditto.
3454         * config/avr/avr.md: Ditto.
3455
3456 2012-01-25  Jason Merrill  <jason@redhat.com>
3457
3458         PR c++/51992
3459         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3460
3461 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3462
3463         PR tree-optimization/51987
3464         * tree-data-ref.c (get_references_in_stmt): Handle references in
3465         non-volatile GIMPLE_ASM.
3466
3467 2012-01-25  Richard Guenther  <rguenther@suse.de>
3468
3469         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3470         bases are dereferenced.
3471
3472 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3473
3474         PR rtl-optimization/48374
3475         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3476
3477 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3478
3479         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3480         compute_data_dependences_for_loop returns false.
3481         * tree-parloops.c (loop_parallel_p): Likewise.
3482
3483 2012-01-25  Richard Guenther  <rguenther@suse.de>
3484
3485         * tree.h (get_pointer_alignment_1): Declare.
3486         * builtins.c (get_pointer_alignment_1): New function.
3487         (get_pointer_alignment): Use it.
3488
3489 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3490
3491         PR rtl-optimization/48308
3492         * combine.c (enum undo_kind): Add UNDO_LINKS.
3493         (struct undo): Add member l to other_contents and where.
3494         (do_SUBST_LINK): New.
3495         (SUBST_LINK): New.
3496         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3497         (undo_all): Handle UNDO_LINKS.
3498
3499 2012-01-25  Richard Henderson  <rth@redhat.com>
3500
3501         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3502         mem inputs.
3503
3504 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3505
3506         * optabs.c (gen_atomic_test_and_set): Use each argument.
3507
3508 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3509
3510         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3511         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3512         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3513         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3514         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3515         TARGET_PAIRED_SINGLE_FLOAT.
3516
3517 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3518
3519         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3520         (in_struct, return_val): Remove MEM documentation.
3521         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3522         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3523         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3524         and MEM_SCALAR.
3525         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3526         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3527         * expr.c (store_field): Likewise.
3528         * function.c (assign_stack_temp_for_type): Likewise.
3529         * ifcvt.c (noce_try_cmove_arith): Likewise.
3530         * reload1.c (reload): Likewise.
3531         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3532         (alpha_set_memflags): Likewise.
3533         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3534
3535 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3536
3537         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3538         parameter.
3539         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3540         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3541         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3542         varies parameter.
3543         * cselib.c (cselib_rtx_varies_p): Delete.
3544         (cselib_invalidate_mem): Update call to canon_true_dependence.
3545         * dse.c (record_store, check_mem_read_rtx): Likewise.
3546         (scan_reads_nospill): Likewise.
3547         * cse.c (check_dependence): Likewise.
3548         (cse_rtx_varies_p): Delete.
3549         * expr.c (safe_from_p): Update call to true_dependence.
3550         * ira.c (validate_equiv_mem_from_store): Likewise.
3551         (memref_referenced_p): Likewise.
3552         * postreload-gcse.c (find_mem_conflicts): Likewise.
3553         * sched-deps.c (sched_analyze_2): Likewise.
3554         * store-motion.c (load_kills_store): Likewise.
3555         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3556         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3557         (compute_transp): Update call to canon_true_dependence.
3558
3559 2012-01-25  Richard Henderson  <rth@redhat.com>
3560
3561         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3562         (maybe_emit_atomic_test_and_set): New.
3563         (expand_sync_lock_test_and_set): Use it.
3564         (expand_atomic_test_and_set): Likewise.
3565         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3566         the implementation; clarify implementation defined details.
3567         * doc/md.texi (atomic_test_and_set): Document.
3568
3569 2012-01-25  Richard Henderson  <rth@redhat.com>
3570
3571         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3572
3573 2012-01-25  Richard Henderson  <rth@redhat.com>
3574
3575         PR target/51968
3576         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3577         to effect no-op split.
3578
3579 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3580
3581         PR lto/51698
3582         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3583         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3584         (BT_FN_VOID_PTR_INT_SIZE): New.
3585         (BT_FN_UINT_UINT_VAR): Remove.
3586         (BT_FN_UINT32_UINT32_VAR): New.
3587         (BT_FN_DOUBLE_VPTR): Remove.
3588         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3589
3590         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3591         (_ITM_changeTransactionMode): Same.
3592         (_ITM_memmoveRtWt): Change return type to void.
3593         (_ITM_memcpyRtWt): Same.
3594         (_ITM_memsetW): Same.
3595         (_ITM_RaRD): Change types to double.
3596         (_ITM_RD): Same.
3597         (_ITM_RaWD): Same.
3598         (_ITM_RfWD): Same.
3599
3600         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3601
3602 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3603             Patrick Marlier  <patrick.marlier@gmail.com>
3604
3605         * trans-mem.c (requires_barrier): Do not instrument thread local
3606         variables and emit save/restore for them.
3607
3608 2012-01-24  Jason Merrill  <jason@redhat.com>
3609
3610         PR c++/51812
3611         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3612         output static aliases.
3613
3614 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3615
3616         PR driver/47249
3617         * common.opt (-pie, -shared, pie, shared): Change from Common to
3618         Driver.
3619         * gcc.c (display_help): Display help for -pie and -shared.
3620
3621 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3622
3623         PR target/49868
3624         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3625         Remove note on size/offset limitation.
3626         (AVR Variable Attributes): Add example how to read data located
3627         with progmem.  Refer to named address spaces.
3628         * doc/invoke.texi (AVR Options): Fix typo.
3629
3630 2012-01-24  Richard Guenther  <rguenther@suse.de>
3631
3632         Forward-port to trunk
3633         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3634
3635         PR middle-end/45678
3636         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3637         op0 isn't sufficiently aligned and there is movmisalignM
3638         insn for mode, use it to load op0 into a temporary register.
3639
3640 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3641
3642         PR target/51957
3643         * target.def (const_not_ok_for_debug_p): New hook.
3644         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3645         documentation.
3646         * doc/tm.texi: Regenerated.
3647         * dwarf2out.c (const_ok_for_output_1): If
3648         targetm.const_not_ok_for_debug_p returns true, fail.
3649         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3650         function.
3651         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3652
3653 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3654
3655         PR target/51900
3656         * config/i386/predicates.md (symbolic_operand): Allow
3657         UNSPEC_PCREL as PIC expression for lea.
3658         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3659         * config/i386/i386.c (ix86_delegitimize_address): Handle
3660         UNSPEC_PCREL for none-MEM, too.
3661
3662 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3663
3664         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3665         (ipa_tm_create_version_alias): Same.
3666
3667 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3668
3669         PR libitm/51830
3670         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3671         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3672
3673 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3674             Patrick Marlier  <patrick.marlier@gmail.com>
3675             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3676
3677         PR lto/51916
3678         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3679         simple_object_start_read.
3680
3681 2012-01-23  Richard Guenther  <rguenther@suse.de>
3682
3683
3684         PR tree-optimization/51895
3685         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3686         parameter decomposition into BLKmode components.
3687
3688 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3689
3690         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3691         fake variables for restrict-qualified pointers whose pointed-to type
3692         contains a placeholder.
3693
3694 2012-01-23  Richard Guenther  <rguenther@suse.de>
3695
3696         PR tree-optimization/51949
3697         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3698
3699 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3700
3701         PR rtl-optimization/51933
3702         * ree.c (transform_ifelse): Return true right away if dstreg is
3703         already wider or equal to cand->mode.
3704         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3705         (make_defs_and_copies_lists): Remove defs_list and copies_list
3706         arguments, add state argument, just truncate state->work_list
3707         instead of always allocating and freeing the vector.  Assert that
3708         get_defs succeeds instead of returning 2.  Changed return type to bool.
3709         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3710         have ext_src_mode, see if it has been modified already with the
3711         right kind of extension and has been extended before from the
3712         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3713         just return true.  Remember the original mode in state->modified array.
3714         (combine_reaching_defs): Add state argument.  Don't allocate and
3715         free here def_list, copied_list and vec vectors, instead just
3716         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3717         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3718         Add state variable, clear vectors in it, initialize state.modified
3719         if needed.  Free all the vectors at the end and state.modified too.
3720         Don't skip a candidate if the extension expression has been modified.
3721
3722 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3723
3724         PR target/47096
3725         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3726          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3727         (extra_options) interix.opt -> i386/interix.opt"
3728         (extra_objs):Add winnt-stubs.o
3729         * configure.ac: Add interix to target_os .comm on PE check.
3730         * configure: Regenerate.
3731         * config/interix3.h: Delete and move bits to..
3732         * config/interix.h: Delete and move bits to..
3733         * config/i386/i386-interix3.h: Delete and move bits to..
3734         * config/i386/i386-interix.h: ..here.
3735         (TARGET_CPU_DEFAULT): Remove redefinition.
3736         (TARGET_ASM_CONSTRUCTOR): Undefine.
3737         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3738         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3739         (PTRDIFF_TYPE): Define.
3740         (LONG_DOUBLE_TYPE_SIZE): Define.
3741         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3742         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3743         (TARGET_SECTION_TYPE_FLAGS): Define.
3744         (ASM_DECLARE_FUNCTION_NAME): Define.
3745         (ASM_OUTPUT_EXTERNAL): Define.
3746         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3747         (ASM_OUTPUT_ALIGNED_BSS): Define.
3748         (PCC_BITFIELD_TYPE_MATTERS): Define.
3749         (USE_CONST_SECTION): Define.
3750         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3751         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3752         (SUPPORTS_ONE_ONLY): Remove.
3753         (I386_PE_STRIP_ENCODING): Define.
3754         * config/interix.opt: Delete and move bits to..
3755         * config/i386/interix.opt: ..here. New.
3756         (mpe-aligned-commons): Add.
3757         * config/i386/t-interix: Add copyright header.
3758         (winnt-stubs.o): Add rule.
3759
3760 2012-01-22  Jason Merrill  <jason@redhat.com>
3761
3762         PR c++/51832
3763         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3764         for extra name aliases.
3765
3766 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3767
3768         PR rtl-optimization/51924
3769         * ree.c (combine_set_extension): Improve debugging message.
3770         (combine_reaching_defs): Likewise.
3771         (get_defs): Rename confusingly named variable.
3772         (find_and_remove_re): Skip a candidate if the extension expression has
3773         been modified.
3774
3775 2012-01-21  Robert Millan  <rmh@gnu.org>
3776             Gerald Pfeifer  <gerald@pfeifer.com>
3777
3778         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3779         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3780
3781 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3782
3783         PR tree-optimization/51914
3784         * tree-vect-stmts.c (vectorizable_conversion): For
3785         cvt_type && modifier == WIDEN, put temporary with cvt_type
3786         at the beginning of vec_dsts and set vec_dest to temporary
3787         with vectype_out.
3788
3789 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3790
3791         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3792
3793 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3794
3795         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3796         * config/rs6000/rs6000.c: Likewise.
3797
3798 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3799
3800         PR target/51915
3801         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3802         output_move_double on a copy of operands array.
3803
3804 2012-01-20  Cary Coutant  <ccoutant@google.com>
3805             Dodji Seketeli  <dodji@redhat.com>
3806
3807         PR debug/45682
3808         * dwarf2out.c (copy_declaration_context): Return ref to parent
3809         of declaration DIE, if necessary.
3810         (remove_child_or_replace_with_skeleton): Add new parameter; update
3811         caller.  Place skeleton DIE under parent DIE of original declaration.
3812         Move call to copy_declaration_context to here ...
3813         (break_out_comdat_types): ... from here.
3814
3815 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3816
3817         PR rtl-optimization/51856
3818         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3819         flag to reloaded.
3820
3821 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3822
3823         PR target/51819
3824         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3825         hints for neon loads and stores.
3826
3827 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3828
3829         PR target/49868
3830         PR target/50887
3831         * doc/extend.texi (Named Address Spaces): Split into subsections.
3832         (AVR Named Address Spaces): New subsection.
3833         (M32C Named Address Spaces): New subsection.
3834         (RL78 Named Address Spaces): New subsection.
3835         (SPU Named Address Spaces): New subsection.
3836         (Variable Attributes): New anchor "AVR Variable Attributes".
3837         (AVR Variable Attributes): Rewrite and avoid wording
3838         "address space" in this context.
3839         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3840         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3841         (AVR Built-in Macros): New subsubsection therein.
3842         * doc/md.texi (AVR constraints): Remove "C04", "R".
3843
3844 2012-01-20  Richard Guenther  <rguenther@suse.de>
3845
3846         PR tree-optimization/51903
3847         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3848         when removing stmts.
3849
3850 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3851
3852         PR target/50313
3853         * config/arm/arm.c (arm_load_pic_register): Use
3854         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3855         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3856         (arm_pic_static_addr): Likewise.
3857         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3858         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3859         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3860         (pic_load_addr_unified): New.
3861
3862 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3863
3864         PR target/51106
3865         * function.c (instantiate_virtual_regs_in_insn): Use
3866         delete_insn_and_edges when removing a wrong asm insn.
3867
3868 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3869
3870         PR rtl-optimization/40761
3871         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3872         Add new member loop_num.
3873         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3874         (ira_build): Remove the parameter.
3875
3876         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3877         (ira.c): Do not build CFG loops for one region allocation.  Remove
3878         argument from ira_build call.
3879
3880         * ira-build.c (init_loop_tree_node): New function.
3881         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3882         loops are not built.
3883         (more_one_region_p): Check current_loops.
3884         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3885         built.
3886         (add_loop_to_tree): Process loop equal to NULL too.
3887         (form_loop_tree): Separate the case when CFG loops are not built.
3888         Use explicitly number for the root.
3889         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3890         an assertion.
3891         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3892         instead of loop->num.
3893         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3894         (mark_all_loops_for_removal): Ditto.
3895         (remove_unnecessary_regions): Separate the case when CFG loops
3896         are not built.
3897         (ira_build): Remove the parameter.  Use explicit number of regions
3898         when CFG loops are not built.
3899
3900         * ira-color.c (print_loop_title): Separate the case for the root node.
3901         Use loop_num instead of loop->num.
3902         (move_spill_restore): Use loop_num instead of loop->num.
3903
3904         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3905         (change_loop): Ditto.
3906         (change_loop): Use loop_num instead of loop->num.
3907
3908         * ira-lives.c (process_bb_node_lives): Ditto.
3909
3910         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3911
3912         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3913
3914 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3915
3916         PR libmudflap/40778
3917         * tree-mudflap.c (mf_artificial): New function.
3918         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3919         mx_register_decls, mudflap_enqueue_decl): Use it.
3920
3921         PR target/51876
3922         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3923         numbers in the insn pattern.
3924
3925 2012-01-19  Michael Matz  <matz@suse.de>
3926
3927         PR tree-optimization/46590
3928         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3929         use it in remembering which conflicts we already created.
3930         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3931         bitmap.
3932
3933 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3934
3935         PR lto/51280
3936         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3937         (merge_and_complain): Same.
3938
3939 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3940
3941         PR bootstrap/50237
3942         * config/initfini-array.h: Guard content of the header
3943         with #ifdef HAVE_INITFINI_ARRAY.
3944         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3945         Add initfini-array.h to tm_file here.
3946         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3947         * config.gcc: Don't add initfini-array.h to tm_file here.
3948         * configure: Regenerated.
3949
3950 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3951
3952         PR rtl-optimization/51505
3953         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3954         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3955         (df_note_bb_compute): Update the call to df_kill_notes.
3956
3957 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3958
3959         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3960
3961 2012-01-18  Richard Guenther  <rguenther@suse.de>
3962
3963         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3964         of conversions to void *.
3965
3966 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3967             Richard Sandiford  <rdsandiford@googlemail.com>
3968
3969         PR middle-end/50325
3970         PR middle-end/51192
3971         * optabs.h (simplify_expand_binop): Declare.
3972         * optabs.c (simplify_expand_binop): Make global.
3973         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3974         endian targets if the source cannot be exactly covered by word
3975         mode chunks.
3976
3977 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3978
3979         PR bootstrap/51872
3980         * hard-reg-set.h (struct hard_reg_set_container): New type.
3981         * target.h (struct hard_reg_set_container): Forward declare.
3982         * target.def (set_up_by_prologue): New target hook.
3983         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3984         * doc/tm.texi: Regenerated.
3985         * function.c (thread_prologue_and_epilogue_insns): Change
3986         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3987         Call targetm.set_up_by_prologue on it.
3988         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3989         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3990
3991 2012-01-17  Nick Clifton  <nickc@redhat.com>
3992
3993         * config/rx/rx.c (rx_can_use_simple_return): New function.
3994         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3995         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3996
3997 2012-01-17  Richard Guenther  <rguenther@suse.de>
3998
3999         PR middle-end/51782
4000         * expr.c (expand_assignment): Take address-space information
4001         from the address operand of MEM_REF and TARGET_MEM_REF.
4002         (expand_expr_real_1): Likewise.
4003
4004 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4005
4006         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4007         reload dump is requested.
4008
4009 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
4010
4011         PR other/51165
4012         * trans-mem.c (requires_barrier): Call may_be_aliased.
4013
4014 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4015
4016         PR tree-optimization/51877
4017         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4018         call arguments and fndecls compare equal, instead return false if they
4019         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
4020         both SSA_NAMEs that are valueized the same, or they satisfy
4021         operand_equal_p.
4022
4023 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4024
4025         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4026         Solaris 11+.
4027         * configure: Regenerate.
4028
4029 2012-01-16  Jan Hubicka  <jh@suse.cz>
4030
4031         PR c/12245
4032         PR c++/14179
4033         * convert.c (convert_to_integer): Use fold_convert for
4034         converting an INTEGER_CST to integer type.
4035
4036 2012-01-16  Jason Merrill  <jason@redhat.com>
4037
4038         PR c++/14179
4039         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4040
4041 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
4042
4043         PR bootstrap/51860
4044         * config/s390/s390.c (s390_chunkify_start): Don't skip
4045         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
4046         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4047         If insn is followed by NOTE_INSN_VAR_LOCATION or
4048         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4049         Don't use location of note insns.
4050
4051         PR tree-optimization/51865
4052         * tree-inline.c (tree_function_versioning): Call remap_decl
4053         on DECL_RESULT whenever it has VOID_TYPE_P type.
4054
4055 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4056
4057         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4058         for calls to locally-binding MIPS16 functions if only the return
4059         type uses float regs.
4060
4061 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
4062             Richard Sandiford  <rdsandiford@googlemail.com>
4063
4064         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4065         (SYMBOL_32_HIGH): Likewise.
4066         (mips_output_tls_reloc_directive): Declare.
4067         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4068         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4069         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4070         (mips_lo_relocs, mips_hi_relocs): Make extern.
4071         (mips16_stub_function): Move up file.
4072         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4073         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
4074         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
4075         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4076         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
4077         (mips_get_tp): Add MIPS16 support.
4078         (mips_legitimize_tls_address): Remove MIPS16 sorry().
4079         Generalize DTPREL and TPREL handling.
4080         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4081         Add MIPS16 TLS support.
4082         (mips_output_tls_reloc_directive): New function.
4083         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4084         * config/mips/predicates.md (symbolic_operand_with_high)
4085         (tls_reloc_operand): New predicates.
4086         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4087         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4088         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4089         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4090         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4091         (*tls_get_tp_mips16_call_<mode>): Likewise.
4092
4093 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4094
4095         PR rtl-optimization/51821
4096         * recog.c (peep2_find_free_register): Determine clobbered registers
4097         from insn pattern.
4098
4099 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4100
4101         PR target/50925
4102         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4103         * config/avr/avr.c: Likewise.
4104         * config/avr/avr.h: Likewise.
4105
4106 2012-01-13  Ian Lance Taylor  <iant@google.com>
4107
4108         PR c++/50012
4109         * tree.h (TYPE_QUALS): Add cast to int.
4110         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4111
4112 2012-01-13  Ian Lance Taylor  <iant@google.com>
4113
4114         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4115         comparing param_index to VEC_length result.
4116
4117 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4118
4119         * c-decl.c: Do not include tree-mudflap.h
4120         * tree-optimize.c: Likewise.
4121         * Makefile.in: Update dependencies.
4122
4123 2012-01-13  Richard Guenther  <rguenther@suse.de>
4124
4125         PR middle-end/8081
4126         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4127         variable-sized result always use RSO.
4128
4129 2012-01-12  DJ Delorie  <dj@redhat.com>
4130
4131         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4132         pointer type, not just the default pointer type.
4133
4134 2012-01-09  Richard Henderson  <rth@redhat.com>
4135             Denis Chertykov  <chertykov@gmail.com>
4136
4137         PR target/50925
4138         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4139         * config/avr/avr.c (avr_can_eliminate): Simplify.
4140         (avr_initial_elimination_offset): Likewise.
4141         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4142         (expand_epilogue): Likewise.
4143         (avr_legitimize_address): Gut.
4144         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4145         (avr_hard_regno_nregs): New.
4146         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4147         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4148         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4149         add soft frame pointer.
4150         (CALL_USED_REGISTERS): Likewise.
4151         (REG_CLASS_CONTENTS): Likewise.
4152         (REGISTER_NAMES): Likewise.
4153         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4154         (HARD_FRAME_POINTER_REGNUM): New.
4155         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4156         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4157         remove the HARD_FRAME_POINTER self-elimination.
4158
4159 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4160
4161         PR target/51756
4162         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4163         DECL_EXTERNAL when checking for initializers of progmem variables.
4164
4165 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4166
4167         PR tree-optimization/51799
4168         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4169         that the last operation is a type demotion.
4170
4171 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4172
4173         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4174         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4175
4176 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4177
4178         PR bootstrap/51796
4179         * combine.c (distribute_notes): If i3 is a noreturn call,
4180         allow old_size to be equal to args_size and make sure the
4181         noreturn call gets REG_ARGS_SIZE note.
4182         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4183         on noreturn calls even when the delta is 0.
4184
4185 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4186
4187         * gcov.c (STRING_SIZE): Remove.
4188         (generate_results): Erase annotations for source files with no
4189         coverage information.
4190         (read_line): New.
4191         (output_lines): Use it.
4192
4193 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4194
4195         * gimple.h (gimplify_body): Remove first argument.
4196         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
4197         pointer set here, instead just pass DATA to walk_tree.
4198         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
4199         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4200         (unvisit_body): Likewise, but with unmark_visited.
4201         (gimplify_body): Remove BODY_P argument and adjust.
4202         (gimplify_function_tree): Adjust call to gimplify_body.
4203         * omp-low.c (finalize_task_copyfn): Likewise.
4204
4205 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4206
4207         * tree.h (build_function_decl_skip_args): Add boolean parameter.
4208         (build_function_type_skip_args): Delete.
4209         * tree.c (build_function_type_skip_args): Make static and add
4210         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
4211         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4212         pass it to build_function_type_skip_args.
4213         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4214         (tree_function_versioning): Likewise.
4215         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4216         build_function_decl_skip_args.
4217         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4218         and pass it to build_function_decl_skip_args/tree_function_versioning.
4219         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4220         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4221         * trans-mem.c (ipa_tm_create_version): Likewise.
4222         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4223         * tree-inline.c (declare_return_variable): Remove always-true test.
4224         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
4225         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4226         * ipa-split.c (split_function): Skip the return value for the split
4227         part if it doesn't return.
4228
4229 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4230
4231         PR tree-optimization/49642
4232         * ipa-split.c (forbidden_dominators): New variable.
4233         (check_forbidden_calls): New function.
4234         (dominated_by_forbidden): Likewise.
4235         (consider_split): Check for forbidden dominators.
4236         (execute_split_functions): Initialize and free forbidden
4237         dominators info; call check_forbidden_calls.
4238
4239 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4240
4241         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4242
4243 2012-01-11  Nick Clifton  <nickc@redhat.com>
4244
4245         * config/rx/rx.md (return): Define pattern.
4246
4247 2012-01-11  Richard Guenther  <rguenther@suse.de>
4248
4249         * doc/extend.texi (malloc attribute): Adjust according to
4250         implementation.
4251
4252 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
4253             Patrick Marlier  <patrick.marlier@gmail.com>
4254
4255         PR middle-end/51516
4256         * trans-mem.c (get_cg_data): Traverse aliases if requested.
4257         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4258         (ipa_tm_note_irrevocable): Same.
4259         (ipa_tm_scan_irr_block): Same.
4260         (ipa_tm_decrement_clone_counts): Same.
4261         (ipa_tm_scan_irr_function): Same.
4262         (ipa_tm_create_version_alias): Same.
4263         (ipa_tm_create_version): Same.
4264         (ipa_tm_transform_calls_redirect): Same.
4265         (ipa_tm_transform_calls): Same.
4266         (ipa_tm_transform_transaction): Same.
4267         (ipa_tm_execute): Same.
4268
4269 2012-01-10  Richard Guenther  <rguenther@suse.de>
4270
4271         PR middle-end/51806
4272         * opts.c (common_handle_option): Handle -Werror.
4273
4274 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
4275
4276         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4277         operand number.
4278
4279 2012-01-10  Jason Merrill  <jason@redhat.com>
4280
4281         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4282         information.
4283
4284 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4285
4286         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4287         supports R_386_TLS_GD_PLT reloc.
4288         (gcc_cv_as_ix86_tlsldmplt): Check if linker
4289         supports R_386_TLS_LDM_PLT reloc.
4290         * configure: Regenerate.
4291         * config.in: Regenerate.
4292
4293 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
4294
4295         PR target/49868
4296         Extend __pgmx semantics to linearize memory.
4297         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4298         determine if code comes inline or from libgcc.
4299         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4300         (movmem_qi, movmem_qi): Set constraint #2 to "n".
4301         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4302         (movmemx_qi, movmemx_hi): New insns.
4303         (xload_<mode>_libgcc): Rewrite to new insn condition.
4304         (xload_<mode>): Remove insns.
4305         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4306         cases that don't satisfy avr_xload_libgcc_p().
4307         (avr_addr_space_convert): Allow converting in any direction.
4308         (avr_addr_space_subset_p): Return always true.
4309         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4310         (avr_emit_movmemhi): Ditto.
4311         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4312         (avr_out_movmem): Ditto.
4313         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4314         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4315         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4316         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4317         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4318
4319 2012-01-10  Richard Guenther  <rguenther@suse.de>
4320
4321         PR tree-optimization/50913
4322         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4323         Require data-refs to be representable by Graphite with respect
4324         to any loop nest.
4325
4326 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4327
4328         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4329         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4330
4331 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4332
4333         PR rtl-optimization/51271
4334         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4335         handling annulled branch.
4336
4337 2012-01-10  Richard Henderson  <rth@redhat.com>
4338
4339         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4340         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4341         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4342         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4343         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4344         arm_expand_vec_perm_const): New.
4345         * config/arm/arm-protos.h: Update.
4346         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4347         (*neon_vswp<VDQX>): New.
4348         (neon_vcombine<VDX>): Use neon_split_vcombine.
4349         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4350         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4351         (vec_perm<VE>): New.
4352
4353 2012-01-10  Richard Henderson  <rth@redhat.com>
4354
4355         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4356         use it if reload_completed.
4357         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4358         arm_output_asm_insn, arm_process_output_memory_barrier,
4359         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4360         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4361         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4362         arm_process_output_sync_insn, arm_output_sync_insn,
4363         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4364         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4365         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4366         (emit_unlikely_jump): New.
4367         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4368         (arm_split_atomic_op): New.
4369         * config/arm/arm-protos.h: Update.
4370         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4371         (struct arm_sync_generator): Remove.
4372         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4373         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4374         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4375         (VUNSPEC_LL, VUNSPEC_SC): New.
4376         (sync_result, sync_memory, sync_required_value, sync_new_value,
4377         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4378         (attr length): Don't use arm_sync_loop_insns.
4379         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4380         (movsfcc, movdfcc): Likewise.
4381         * config/arm/constraints.md (Ua): New.
4382         * config/arm/prediates.md (mem_noofs_operand): New.
4383         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4384         (sync_clobber, sync_t2_reqd): Remove.
4385         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4386         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4387         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4388         (arm_sync_compare_and_swap<SIDI>): Remove.
4389         (arm_sync_compare_and_swap<NARROW>): Remove.
4390         (arm_sync_lock_test_and_set<SIDI>): Remove.
4391         (arm_sync_lock_test_and_set<NARROW>): Remove.
4392         (arm_sync_new_<syncop><SIDI>): Remove.
4393         (arm_sync_new_<syncop><NARROW>): Remove.
4394         (arm_sync_new_nand<SIDI>): Remove.
4395         (arm_sync_new_nand<NARROW>): Remove.
4396         (arm_sync_old_<syncop><SIDI>): Remove.
4397         (arm_sync_old_<syncop><NARROW>): Remove.
4398         (arm_sync_old_nand<SIDI>): Remove.
4399         (arm_sync_old_nand<NARROW>): Remove.
4400         (*memory_barrier): Merge arm_output_memory_barrier.
4401         (atomic_compare_and_swap<QHSD>): New.
4402         (atomic_compare_and_swap<NARROW>_1): New.
4403         (atomic_compare_and_swap<SIDI>_1): New.
4404         (atomic_exchange<QHSD>): New.
4405         (cas_cmp_operand, cas_cmp_str): New.
4406         (atomic_op_operand, atomic_op_str): New.
4407         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4408         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4409         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4410         (arm_load_exclusive<NARROW>): New.
4411         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4412         (arm_store_exclusive<QHSD>): New.
4413
4414 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4415
4416         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4417         reload patterns if -mvsx-scalar-memory.
4418
4419         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4420         generated, even -mno-vsx-scalar-double was used.
4421         (vsx_xscvdpsp_scalar): Likewise.
4422         (vsx_xscvspdp_scalar2): Likewise.
4423
4424 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4425             Andrew Pinski  <apinski@cavium.com>
4426
4427         PR debug/51471
4428         * reorg.c (fill_slots_from_thread): Don't speculate
4429         frame-related insns.
4430
4431 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4432
4433         * sched-int.h (bb_note): Move to...
4434         * basic-block.h: ...here.
4435         * haifa-sched.c (bb_note): Move to...
4436         * cfgrtl.c: ...here.
4437         * function.c (next_block_for_reg): New function.
4438         (move_insn_for_shrink_wrap): Likewise.
4439         (prepare_shrink_wrap): Rewrite to use the above.
4440
4441 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4442
4443         * gimple.c (is_gimple_non_addressable): Remove.
4444         * gimple.h: Remove is_gimple_non_addressable.
4445         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4446         is_gimple_non_addressable.
4447         * trans-mem.c (expand_assign_tm): Same.
4448
4449 2012-01-09  Richard Guenther  <rguenther@suse.de>
4450
4451         PR tree-optimization/51775
4452         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4453         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4454
4455 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4456
4457         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4458         tuning parameters.
4459         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4460
4461 2012-01-09  Richard Guenther  <rguenther@suse.de>
4462
4463         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4464
4465 2012-01-08  Jan Hubicka  <jh@suse.cz>
4466
4467         PR tree-optimize/51680
4468         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4469         on when known_vals needs to be computed; cleanup.
4470
4471 2012-01-08  Jan Hubicka  <jh@suse.cz>
4472
4473         PR tree-optimize/51694
4474         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4475
4476 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4477
4478         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4479         for -std=c++98 and -std=c++11 too.
4480
4481 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4482
4483         * cfgloop.c (cancel_loop): Add free() of bbs array.
4484
4485 2012-01-07  Jan Hubicka  <jh@suse.cz>
4486
4487         PR tree-optimization/51600
4488         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4489         that benefits small functions.
4490
4491 2012-01-07  Jan Hubicka  <jh@suse.cz>
4492
4493         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4494
4495 2012-01-07  Jan Hubicka  <jh@suse.cz>
4496
4497         PR tree-optimization/51680
4498         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4499         whose inlining reduce unit size.
4500
4501 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4502
4503         PR bootstrap/51725
4504         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4505         Add canonical node to containing_mem chain after the non-canonical
4506         one, even if there weren't any locs to propagate.
4507         (remove_useless_values): Keep only canonical values.
4508         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4509         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4510         canonicalize mem_chain elements that are not discarded.
4511
4512 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4513
4514         PR target/47333
4515         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4516         before emitting functions.
4517
4518         PR gcov-profile/50127
4519         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4520         clear_aux_for_blocks.
4521
4522 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4523
4524         PR debug/51746
4525         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4526
4527 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4528
4529         * c-decl.c (ext_block): Moved up.
4530         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4531
4532 2012-01-06  Han Shen  <shenhan@google.com>
4533
4534         Translate built-in include paths for sysroot.
4535         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4536         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4537
4538         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4539         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4540
4541         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4542         control whether sysroot should be prepended to gxx include dir.
4543
4544         * configure: Regenerate.
4545
4546 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4547
4548         PR rtl-optimization/51771
4549         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4550         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4551
4552 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4553
4554         PR tree-optimization/51315
4555         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4556         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4557
4558 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4559
4560         PR target/51681
4561         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4562         for shrp pattern.  Correctly handle and fixup shift variable.
4563         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4564
4565 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4566
4567         PR debug/51762
4568         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4569         note when !ACCUMULATE_OUTGOING_ARGS.
4570
4571 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4572
4573         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4574         condition.
4575         (extract_range_from_unary_expr_1): Avoid useless computations.
4576
4577 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4578
4579         PR rtl-optimization/51767
4580         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4581         of jump_block and add an extra edge for degenerated asm gotos.
4582
4583         PR middle-end/51768
4584         * stmt.c (check_unique_operand_names): Don't ICE during error
4585         reporting if i is from labels chain.
4586
4587         PR middle-end/44777
4588         * profile.c (branch_prob): Split bbs that have exit edge
4589         and need a fake entry edge too.
4590
4591 2012-01-05  Jan Hubicka  <jh@suse.cz>
4592
4593         PR middle-end/49710
4594         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4595         unlooping loops.
4596
4597 2012-01-05  Richard Guenther  <rguenther@suse.de>
4598
4599         PR lto/50490
4600         * tree-streamer-out.c (write_ts_optimization): New function.
4601         (streamer_write_tree_body): Call it.
4602         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4603         (streamer_read_tree_body): Call it.
4604         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4605
4606 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4607
4608         PR middle-end/51761
4609         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4610         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4611         in_cleanup_point_expr before gimplify_stmt call and restore it
4612         afterwards.
4613         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4614         in_cleanup_point_expr is false.
4615
4616 2012-01-05  Richard Guenther  <rguenther@suse.de>
4617
4618         PR middle-end/51764
4619         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4620         to c.opt.
4621         * toplev.c (process_options): Reject combining mudflap and LTO.
4622         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4623
4624 2012-01-05  Richard Guenther  <rguenther@suse.de>
4625
4626         PR tree-optimization/51760
4627         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4628         not VARYING.
4629         (bit_value_unop): Handle UNDEFINED operands.
4630         (bit_value_binop): Likewise.
4631
4632 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4633
4634         * config/avr/avr.c (avr_replace_prefix): Remove.
4635         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4636         (avr_asm_function_rodata_section): Ditto.
4637         (avr_asm_select_section): Ditto.
4638
4639 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4640
4641         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4642         insertion.
4643
4644 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4645
4646         PR bootstrap/51648
4647         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4648         calls that have any non-fake successor edges.
4649
4650         PR debug/51746
4651         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4652
4653 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4654
4655         PR tree-optimization/51624
4656         * tree-sra.c (build_ref_for_model): When replicating a chain of
4657         COMPONENT_REFs, stop as soon as the offset would become negative.
4658
4659 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4660
4661         PR debug/51695
4662         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4663         in .debug_loc on the floor.
4664
4665 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4666
4667         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4668
4669 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4670             Adam Nemet  <anemet@caviumnetworks.com>
4671
4672         * config/mips/mips.md (size): Add SI and DI.
4673         (SIZE): New mode attribute.
4674         (U): New code attribute.
4675         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4676         (mips_lbux_<mode>): Delete.
4677         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4678         (mips_lhx): Use gen_mips_lhx_extsi.
4679         (mips_lhx_<mode>): Delete.
4680         (mips_lwx): Delete.
4681         (mips_l<size>x): New expand.
4682         (mips_lwx_<mode>): Delete.
4683         (mips_l<GPR:size>x_<P:mode>): New pattern.
4684         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4685         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4686         * config/mips/mips.c (mips_lx_address_p): New function.
4687         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4688         (dsp64): New availability predicate.
4689         (mips_builtins): Add an entry for __builtin_mips_ldx.
4690         * config/mips/mips.h (ISA_HAS_LBX): New define.
4691         (ISA_HAS_LBUX): Likewise.
4692         (ISA_HAS_LHX): Likewise.
4693         (ISA_HAS_LHUX): Likewise.
4694         (ISA_HAS_LWX): Likewise.
4695         (ISA_HAS_LWUX): Likewise.
4696         (ISA_HAS_LDX): Likewise.
4697         * doc/extend.texi (__builtin_mips_ldx): Document.
4698
4699 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4700
4701         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4702         when long pointers are used.
4703         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4704         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4705         (ia64-hp-*vms*): Remove.
4706         * config/vms/xm-vms64.h: Delete.
4707
4708 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4709
4710         PR middle-end/51472
4711         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4712
4713 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4714
4715         * opts.c (finish_options): Remove duplicate sorry.
4716
4717 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4718
4719         PR middle-end/51696
4720         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4721         correctly.
4722
4723 2012-01-04  Richard Guenther  <rguenther@suse.de>
4724
4725         PR middle-end/51750
4726         * tree.c (size_low_cst): New function.
4727         * tree.h (size_low_cst): Declare.
4728         * fold-const.c (fold_comparison): Use it to extract the low
4729         part of the POINTER_PLUS_EXPR offset.
4730
4731 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4732
4733         Fix clearing ZERO_REG
4734         * config/avr/avr.md (cc): Add alternative "ldi".
4735         (movqi_insn): Use it in cc attribute.
4736         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4737         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4738         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4739
4740 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4741
4742         * configure: Regenerate.
4743
4744 2012-01-04  Richard Guenther  <rguenther@suse.de>
4745
4746         PR tree-optimization/49651
4747         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4748         (var_can_have_subvars): Use it.
4749         (get_constraint_for_1): Only consider subfields if there can be any.
4750
4751 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4752
4753         PR bootstrap/51725
4754         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4755         to its new canonical_cselib_val and the cselib_val was in
4756         first_containing_mem chain, but the canonical_cselib_val was not,
4757         add the latter into the chain.
4758         (cselib_invalidate_mem): Compare canonical_cselib_val of
4759         addr_list chain elt with v.
4760
4761         PR pch/51722
4762         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4763         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4764         of xstrdup.
4765         (output_macinfo_op): Don't ggc_strdup fd->filename.
4766         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4767         then ggc_strdup it.  Don't free inc->info or cur->info.
4768         (output_macinfo): Don't free ref->info or file->info.
4769
4770 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4771
4772         PR tree-optimization/51269
4773         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4774         first_niters a pointer.
4775         (slpeel_tree_peel_loop_to_edge): Likewise.
4776         (vect_do_peeling_for_loop_bound): Update call to
4777         slpeel_tree_peel_loop_to_edge.
4778         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4779         here.  Remove it from the parameters list.
4780         (vect_do_peeling_for_alignment): Update calls and compute
4781         wide_prolog_niters.
4782
4783 2012-01-03  Richard Guenther  <rguenther@suse.de>
4784
4785         PR tree-optimization/51070
4786         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4787         Properly handle calls.
4788
4789 2012-01-03  Richard Guenther  <rguenther@suse.de>
4790
4791         PR tree-optimization/51692
4792         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4793         the LHS of allocation stmts.
4794
4795 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4796
4797         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4798
4799 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4800
4801         * collect2.c (main): In AIX specific computations for vector
4802         insertions, use CONST_CAST2 to cast from char ** to const char **.
4803
4804 2012-01-03  Richard Guenther  <rguenther@suse.de>
4805
4806         PR debug/51650
4807         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4808         the context of a limbo DIE when it does not already exist.
4809
4810 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4811
4812         PR tree-optimization/51719
4813         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4814         but direct call is, clear direct call's lhs and don't add fallthrough
4815         edge from dcall_bb to join_bb and PHIs.
4816
4817 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4818
4819         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4820         the instructions emitted by the pattern.
4821         ("*TDC_insn_<mode>"): Add comment.
4822
4823 2012-01-03  Richard Guenther  <rguenther@suse.de>
4824
4825         PR middle-end/51730
4826         * fold-const.c (fold_comparison): Properly canonicalize
4827         tree offset and HOST_WIDE_INT bit position.
4828
4829 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
4830
4831         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4832         operands for extzv pattern.
4833
4834 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4835
4836         PR bootstrap/51725
4837         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4838         on mem_elt first.
4839
4840 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
4841
4842         * doc/invoke.texi (-flto and related options): Copy-edit.
4843
4844 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4845
4846         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4847
4848 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4849
4850         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4851         New patterns.
4852
4853 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4854
4855         * expr.h (move_by_pieces_ninsns): Declare.
4856         * expr.c (move_by_pieces_ninsns): Make external.
4857         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4858         (mips_store_by_pieces_p): Likewise.
4859         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4860         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4861         * config/mips/mips.c (mips_move_by_pieces_p): New function.
4862         (mips_store_by_pieces_p): Likewise.
4863
4864 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4865
4866         * passes.c (register_one_dump_file): Free full_name.
4867
4868         * reload1.c (reload): Don't allocate reg_max_ref_width here.
4869         (calculate_elim_costs_all_insns): Free offsets_at and
4870         offsets_known_at at the end and clear the pointers.
4871
4872 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4873
4874         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4875         this option introduced in r180739.
4876
4877 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4878
4879         PR target/51345
4880         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4881         (tmake_file target=avr): Add avr/t-multilib.
4882
4883         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4884         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4885         * config/avr/genmultilib.awk: New file.
4886         * config/avr/t-multilib: New auto-generated file.
4887         * config/avr/multilib.h: New auto-generated file.
4888         * config/avr/t-avr (AVR_MCUS): New variable.
4889         (genopt.sh): Use it.
4890         (s-mlib): Depend on t-multilib.
4891         (t-multilib, multilib.h): New dependencies.
4892         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4893         (MULTILIB_OPTIONS): Remove.
4894         (MULTILIB_MATCHES): Remove.
4895         (MULTILIB_DIRNAMES): Remove.
4896         (MULTILIB_EXCEPTIONS): Remove:
4897         * config/avr/genopt.sh: Don't use hard coded file name;
4898         pass AVR_MCUS from t-avr instead.
4899
4900 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4901
4902         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4903
4904 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4905
4906         Implement light-weight DImode support.
4907         * config/avr/avr-dimode.md: New file.
4908         * config/avr/avr.md: Include it.
4909         (adjust_len): Add plus64, compare64.
4910         (HIDI): Remove code iterator.
4911         (code_stdname): New code attribute.
4912         (rotx, rotsmode): Remove DI.
4913         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4914         as code iterator.
4915         * config/avr/avr-protos.h (avr_have_dimode): New.
4916         (avr_out_plus64, avr_out_compare64): New.
4917         * config/avr/avr.c (avr_out_compare): Handle DImode.
4918         (avr_have_dimode): New variable definition and initialization.
4919         (avr_out_compare64, avr_out_plus64): New functions.
4920         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4921         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4922         (avr_compare_pattern): Skip DImode comparisons.
4923
4924 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4925
4926         * ddg.c (def_has_ccmode_p): New function.
4927         (add_cross_iteration_register_deps,
4928         create_ddg_dep_from_intra_loop_link): Call it.
4929
4930 2012-01-02  Richard Guenther  <rguenther@suse.de>
4931
4932         PR other/51679
4933         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4934
4935 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4936
4937         * gcc.c (process_command): Update copyright notice dates.
4938         * gcov.c (print_version): Likewise.
4939         * gcov-dump.c (print_version): Likewise.
4940         * mips-tfile.c (main): Likewise.
4941         * mips-tdump.c (main): Likewise.
4942
4943 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4944
4945         PR tree-optimization/51704
4946         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4947         a use is inside the basic block or loop before accessing its vect info.
4948
4949 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4950
4951         PR rtl-optimization/51069
4952         * cfgloopmanip.c (remove_path): Removing path making irreducible
4953         region unconditional makes BB part of the region.
4954
4955 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4956
4957         PR tree-optimization/51683
4958         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4959         calls with side-effects.
4960         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4961 \f
4962 Copyright (C) 2012 Free Software Foundation, Inc.
4963
4964 Copying and distribution of this file, with or without modification,
4965 are permitted in any medium without royalty provided the copyright
4966 notice and this notice are preserved.