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1 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
2
3         Backport from mainline:
4         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
5
6         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
7
8 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9
10         Backport from mainline:
11         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12
13         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
14         * config/pa/pa.c (pa_attr_length_millicode_call): Use
15         MAX_PCREL17F_OFFSET instead of fixed offset.
16         (pa_attr_length_call): Likewise.
17         (pa_attr_length_indirect_call): Likewise.
18
19 2012-06-15  Walter Lee  <walt@tilera.com>
20
21         Backport from mainline:
22         2012-06-15  Walter Lee  <walt@tilera.com>
23
24         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
25
26         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
27
28         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
29
30 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
31
32         Backport from mainline:
33
34         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
35         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
36         * gimple.h (block_in_transaction): Check for flag_tm.
37
38 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
39
40         PR tree-optimization/52558
41
42         Backport from mainline:
43         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
44         * gimple.h (gimple_set_in_transaction): Remove.
45         (gimple_in_transaction): Look in BB instead.
46         (gimple_statement_base): Remove in_transaction field.
47         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
48         * trans-mem.c (compute_transaction_bits): Place transaction bit
49         information into basic blocks.
50
51         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
52
53         PR tree-optimization/52558
54         * cfg.c (alloc_aux_for_edge): Fix comment.
55         (alloc_aux_for_edge): Remove static.
56         * basic-block.h (alloc_aux_for_edge): Protoize.
57         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
58         (execute_sm_if_changed_flag): New.
59         (execute_sm_if_changed_flag_set): New.
60         (execute_sm): Do not generate data races unless requested.
61         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
62         (tree_ssa_lim_finalize): Call free_aux_for_edges.
63         * gimple.h (block_in_transaction): New.
64         (gimple_in_transaction): Use block_in_transaction.
65
66 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
67
68         Backported from mainline
69         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
70
71         PR rtl-optimization/53589
72         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
73         discovery even when e->dest != target.  If any LABEL_REF points
74         to e->dest label, redirect it to target's label.
75
76         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
77
78         PR middle-end/53580
79         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
80         returns false, replace stmt with GIMPLE_NOP.
81         (check_omp_nesting_restrictions): Instead of issuing warnings,
82         issue errors and return false if any errors were reported.
83
84 2012-06-14  Richard Guenther  <rguenther@suse.de>
85
86         * BASE-VER: Set to 4.7.2.
87         * DEV-PHASE: Set to prerelease.
88
89 2012-06-12  Christian Bruel  <christian.bruel@st.com>
90
91         PR target/53621
92         * config/sh/sh.c (sh_option_override): Don't force
93          flag_omit_frame_pointer and maccumulate_outgoing_args.
94         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
95
96 2012-06-14  Release Manager
97
98         * GCC 4.7.1 released.
99
100 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
101
102         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
103
104 2012-06-13  Richard Henderson  <rth@redhat.com>
105
106         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
107         iterator instead of INT.
108
109 2012-06-08  Richard Henderson  <rth@redhat.com>
110
111         PR c++/53602
112         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
113         note to a clobber insn when no other insn is available.
114
115 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
116
117         PR c++/53524
118         * doc/invoke.texi (Wenum-compare): Update documentation.
119
120 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
121
122         PR target/53559
123         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
124         operands.
125         (altivec_stvlxl): Ditto.
126         (altivec_stvrx): Ditto.
127         (altivec_stvrxl): Ditto.
128
129 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
130
131         PR middle-end/47530
132         * trans-mem.c (expand_block_edges): Do not skip the first
133         statement when resetting the BB.
134
135 2012-06-04  Richard Guenther  <rguenther@suse.de>
136
137         PR middle-end/53471
138         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
139         create new assembler names.
140
141 2012-06-04  Richard Guenther  <rguenther@suse.de>
142
143         Backport from mainline
144         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
145
146         PR middle-end/52979
147         * stor-layout.c (get_best_mode): Don't return mode with bitsize
148         larger than maxbits.  Don't compute maxbits modulo align.
149         Also check that unit bytes long store at bitpos / unit * unit
150         doesn't affect bits beyond bitregion_end.
151         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
152         would not fit into bitregion_start ... bitregion_end + 1 bit
153         region.
154         (store_split_bit_field): Decrease unit close to end of bitregion_end
155         if access is restricted in order to avoid mutual recursion.
156
157 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
158
159         Backport from 2012-06-04 mainline r188172
160
161         PR target/46261
162         * config/avr/avr-stdint.h: New file.
163         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
164         newlib-stdint.h
165
166 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
167
168         PR tree-optimization/53550
169         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
170         is POINTER_TYPE_P, use sizetype as step type instead of type.
171
172 2012-06-04  Richard Guenther  <rguenther@suse.de>
173             Eric Botcazou  <ebotcazou@adacore.com>
174
175         Backport from mainline
176         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
177
178         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
179         Change type of BITOFFSET to signed.  Make sure the lower bound of
180         the computed range is non-negative by adjusting OFFSET and BITPOS.
181         (expand_assignment): Adjust call to get_bit_range.
182
183         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
184
185         * expr.c (get_bit_range): Return the null range if the enclosing record
186         is part of a larger bit field.
187
188         2012-03-20  Richard Guenther  <rguenther@suse.de>
189
190         * stor-layout.c (finish_bitfield_representative): Fallback
191         to conservative maximum size if the padding up to the next
192         field cannot be computed as a constant.
193         (finish_bitfield_layout): If we cannot compute the distance
194         between the start of the bitfield representative and the
195         bitfield member start a new representative.
196         * expr.c (get_bit_range): The distance between the start of
197         the bitfield representative and the bitfield member is zero
198         if the field offsets are not constants.
199
200         2012-03-16  Richard Guenther  <rguenther@suse.de>
201
202         * stor-layout.c (finish_bitfield_representative): Fall back
203         to the conservative maximum size if we cannot compute the
204         size of the tail padding.
205
206         2012-03-14  Richard Guenther  <rguenther@suse.de>
207
208         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
209         * stor-layout.c (start_bitfield_representative): New function.
210         (finish_bitfield_representative): Likewise.
211         (finish_bitfield_layout): Likewise.
212         (finish_record_layout): Call finish_bitfield_layout.
213         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
214         for QUAL_UNION_TYPE fields.
215         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
216         Stream DECL_BIT_FIELD_REPRESENTATIVE.
217         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
218
219         PR middle-end/52080
220         PR middle-end/52097
221         PR middle-end/48124
222         * expr.c (get_bit_range): Unconditionally extract bitrange
223         from DECL_BIT_FIELD_REPRESENTATIVE.
224         (expand_assignment): Adjust call to get_bit_range.
225
226 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
227
228         PR middle-end/53501
229         * fold-const.c (fold_binary_loc): Refine previous change.
230
231 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
232
233         Backport from mainline
234         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
235
236         PR target/52667
237         * config/sh/sh.c (find_barrier): Add equality check of last_got to
238         avoid going above orig insn.  Update comments.
239
240 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
241
242         Backport from mainline
243         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
244
245         PR target/52642
246         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
247         prologue for unwinder and profiler.
248
249 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
250
251         Backport from mainline
252         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
253
254         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
255
256 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
257
258         Backport from mainline
259         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
260
261         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
262         DBX_REGISTER_NUMBER.
263
264 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
265
266         Backport from mainline
267         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
268
269         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
270         operand is CONST_INT.  Take COSTS_N_INSNS into account.
271         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
272         shiftcosts.     
273
274 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
275
276         * config/avr/avr.opt (-msp8): Document it.
277         * doc/invoke.texi (AVR Options): Copy from trunk docu.
278
279 2012-05-31  Richard Guenther  <rguenther@suse.de>
280
281         PR middle-end/48493
282         * expr.c (expand_assignment): Do not use movmisalign on
283         non-memory.
284
285 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
286
287         PR target/52999
288         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
289         (pa_section_type_flags): New.
290         (pa_legitimate_constant_p): Revert previous change.
291
292 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
293
294         Backport from mainline
295         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
296
297         PR middle-end/53008
298         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
299         accessed indirectly.
300         (ipa_tm_create_version): Same.
301
302 2012-05-30  Jason Merrill  <jason@redhat.com>
303
304         PR c++/53220
305         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
306         about array compound literals.
307
308 2012-05-30  Richard Guenther  <rguenther@suse.de>
309
310         PR middle-end/53501
311         * fold-const.c (fold_binary_loc): Make sure to call
312         fold_plusminus_mult_expr with the original sign of operands.
313
314 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
315
316         * explow.c (probe_stack_range): Restore simple control flow and stop
317         again when the probe cannot be generated if HAVE_check_stack.
318
319 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
320
321         PR rtl-optimization/53519
322         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
323         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
324
325 2012-05-29  Richard Guenther  <rguenther@suse.de>
326
327         PR tree-optimization/53516
328         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
329         bitfield accesses.
330         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
331
332 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
333
334         Backport from mainline
335         2012-05-28  Richard Guenther  <rguenther@suse.de>
336
337         PR tree-optimization/53438
338         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
339
340 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
341
342         Backport from mainline
343         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
344
345         PR rtl-optimization/52528
346         * combine.c (can_combine_p): Add setting of subst_low_luid
347         before call to expand_field_assignment().
348
349 2012-05-26  Martin Jambor  <mjambor@suse.cz>
350
351         Backport from mainline
352         2012-05-23  Martin Jambor  <mjambor@suse.cz>
353
354         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
355
356 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
357
358         PR lto/52178
359         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
360         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
361
362 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
363
364         PR target/53435
365         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
366         (ix86_expand_vec_perm): Use int mode instead of float.
367
368 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
369
370         PR ada/52362
371         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
372         gnu_ld variables to yes.
373         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
374         (HAVE_GNU_AS): Likewise.
375         * config.in: Regenerate.
376         * configure: Likewise.
377
378 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
379
380         Backport from mainline
381         2012-03-12  Richard Guenther  <rguenther@suse.de>
382         * config/arm/arm.c (neon_dereference_pointer): Do not call
383         covert during RTL expansion.
384
385 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
386
387         Backport from mainline
388         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
389
390         PR target/53385
391         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
392         relied on signed overflow behavior.
393
394 2012-05-24  Richard Guenther  <rguenther@suse.de>
395
396         PR middle-end/53460
397         * tree-profile.c (tree_profiling): Cleanup the CFG if
398         execute_fixup_cfg requests it.
399
400 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
401
402         PR tree-optimization/53465
403         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
404         vr0 into *vr, then vrp_meet that.
405         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
406         have any equivalences.
407         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
408         first time.
409
410 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
411
412         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
413         size handling.
414         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
415         (iterative_hash_gimple_type): Adjust comment.
416         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
417         domain for an array type instead of the domain type itself.
418
419 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
420
421         Backport from 2012-05-23 mainline r187803
422
423         PR target/53448
424         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
425         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
426         ASM_OUTPUT_ALIGN.
427
428 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
429
430         Backport from 2012-05-03 mainline r187075
431
432         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
433         has_fma4 for AMD processors with both fma3 and fma4 support.
434
435 2012-05-22  Richard Guenther  <rguenther@suse.de>
436
437         PR tree-optimization/53408
438         * tree-vect-loop.c (vectorizable_induction): Properly check
439         the restriction that we cannot handle induction results from
440         the inner loop outside of the outer loop.
441
442 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
443
444         PR tree-optimization/53436
445         * omp-low.c (omp_build_component_ref): New function.
446         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
447
448         PR tree-optimization/53366
449         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
450         tests if complex_numbers == 2, but there are non-complex number loads
451         too.
452
453         PR tree-optimization/53409
454         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
455         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
456
457         PR tree-optimization/53410
458         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
459         instead of build_int_cst (type, 0) where vector types might be
460         involved.
461
462 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
463
464         PR c/53418
465         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
466         from folded operands before wrapping another around the
467         conditional expression.
468
469 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
470             Patrick Marlier  <patrick.marlier@gmail.com>
471
472         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
473         indirect calls.
474
475 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
476
477         Backport from mainline
478         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
479
480         PR target/53416
481         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
482         (UNSPECV_RDRAND): This.
483         (rdrand<mode>_1): Updated.
484
485 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
486
487         Backport from mainline
488         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
489
490         * config/i386/driver-i386.c (host_detect_local_cpu): Support
491         RDRND, F16C and FSGSBASE.
492
493 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
494
495         Backport from mainline
496         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
497
498         * tree-ssa-pre.c (can_value_number_call): Delete.
499         (compute_avail): Skip all statements with side effects.
500         <GIMPLE_CALL>: Skip calls to internal functions.
501
502 2012-05-18  David S. Miller  <davem@davemloft.net>
503
504         Backport r185385 from mainline
505         2012-03-14  Richard Guenther  <rguenther@suse.de>
506
507         PR middle-end/52584
508         * tree-vect-generic.c (type_for_widest_vector_mode): Take
509         element type instead of mode, use build_vector_type_for_mode
510         instead of the langhook, build a vector of proper signedness.
511         (expand_vector_operations_1): Adjust.
512
513 2012-05-18  Olivier Hainque  <hainque@adacore.com>
514
515         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
516         $(libsubdir) as libexecsubdir.
517
518 2012-05-16  Andrew Pinski  <apinski@cavium.com>
519
520         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
521         GIMPLE_ASSIGN.
522
523 2012-05-16  David S. Miller  <davem@davemloft.net>
524
525         * jump.c (delete_related_insns): If we remove a CALL, make sure
526         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
527
528 2012-05-16  Richard Henderson  <rth@redhat.com>
529
530         PR debug/52727
531         * combine-stack-adj.c (prev_active_insn_bb): New.
532         (next_active_insn_bb): New.
533         (force_move_args_size_note): New.
534         (combine_stack_adjustments_for_block): Use it.
535
536 2012-05-16  Olivier Hainque  <hainque@adacore.com>
537
538         * Makefile.in (install-no-fixedincludes): New target, former toplevel
539         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
540         Add comments and improve stamp preservation across the whole sequence.
541         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
542
543 2012-05-16  Richard Guenther  <rguenther@suse.de>
544
545         PR tree-optimization/53364
546         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
547         detect a view-conversion of the decl.
548
549 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
550
551         PR target/53358
552         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
553         that operands[2] is either immediate, or q_regs_operand.
554
555 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
556
557         Backport r187139 from mainline.
558         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
559
560         PR rtl-optimization/52804
561         * reload1.c (reload_reg_reaches_end_p): Check whether successor
562         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
563         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
564         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
565         RELOAD_FOR_OUTADDR_ADDRESS.
566
567 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
568
569         PR target/46098
570         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
571         generate target register for "load" class builtins.
572
573         Revert:
574         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
575
576         PR target/46098
577         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
578         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
579         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
580         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
581         (<sse>_movu<ssemodesuffix>): New expander.
582         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
583         (avx_movdqu<avxmodesuffix>): New expander.
584         (*sse2_movdqu): Rename from sse2_movdqu.
585         (sse2_movdqu): New expander.
586
587 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
588
589         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
590         lineno 1 the same as lineno 0 before first start file directive.
591         (optimize_macinfo_range): Likewise.
592
593         * dwarf2out.c (have_macinfo): Define.
594         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
595         attribute, don't force empty compilation unit and don't emit any
596         .debug_macinfo/.debug_macro section if macinfo_table is empty.
597
598 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
599
600         Backport from mainline
601         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
602
603         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
604         ORDERED and UNORDERED conditions.
605
606 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
607
608         * function.c (requires_stack_frame_p): If the function can throw
609         non-call exceptions, return true if the insn can throw internally.
610
611 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
612
613         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
614         DECL_ORIGINAL_TYPE if it is present.
615
616 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
617
618         Backport from 2012-05-12 mainline r187342.
619
620         PR target/53256
621         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
622         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
623         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
624         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
625         (expand_prologue): Move initialization of cfun->machine->is_naked,
626         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
627         (avr_set_current_function): ...this new static function.
628         (TARGET_SET_CURRENT_FUNCTION): New define.
629         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
630         checking attributes of current_function_decl.
631         (avr_regs_to_save): Ditto.
632         (signal_function_p): Rename to avr_signal_function_p.
633         (interrupt_function_p): Rename to avr_interrupt_function_p.
634
635         * doc/extend.texi (Function Attributes): Better explanation of
636         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
637         alphabetical order.
638
639 2012-05-09  Matthias Klose  <doko@ubuntu.com>
640
641         * gcc-ar.c (main): Don't check for execute bits for the plugin.
642
643 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
644
645         PR target/53272
646         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
647         when a constant source operand matches an "I" constraint, the "no
648         CC0 change" applies to a register-destination only, not a
649         strict_low_part-destination.
650
651 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
652
653         Backport from mainline:
654         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
655
656         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
657
658 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
659
660         PR tree-optimization/53239
661         * tree-vrp.c (get_value_range): Set VR of
662         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
663         to nonnull.
664
665 2012-05-07  Richard Guenther  <rguenther@suse.de>
666
667         PR tree-optimization/53195
668         * tree-inline.c (setup_one_parameter): Properly add referenced
669         vars from the parameters new known value.
670
671 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
672
673         Backport from mainline:
674         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
675
676         PR target/52999
677         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
678         in constant pool.
679
680 2012-05-04  Ian Lance Taylor  <iant@google.com>
681
682         * tree-vect-patterns.c (vect_single_imm_use): Correct return
683         values from false to NULL.
684
685 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
686
687         Backport from mainline
688         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
689
690         PR target/53228
691         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
692         (TARGET_CMOV): Rename from TARGET_CMOVE.
693         (TARGET_CMOVE): New define.
694         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
695         Do not set TARGET_CMOVE here.
696
697 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
698
699         Backport from mainline:
700
701         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
702
703         PR tree-optimization/52633
704         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
705         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
706         (vect_recog_over_widening_pattern): Remove handling of code that was
707         already detected as over-widening pattern.  Remove special handling
708         of "unsigned" cases.  Instead, support general case of conversion
709         of the shift result to another type.
710
711         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
712
713         * tree-vect-patterns.c (vect_single_imm_use): New function.
714         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
715         (vect_recog_over_widening_pattern): Likewise.
716         (vect_recog_widen_shift_pattern): Likewise.
717
718         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
719
720         PR tree-optimization/52870
721         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
722         presumed pattern statement is within the same loop or basic block.
723
724 2012-05-04  Richard Guenther  <rguenther@suse.de>
725
726         * common.opt (flto-report): Do not mark as Optimization.
727
728 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
729
730         PR target/48496
731         * recog.c (constrain_operands): If extra constraints are present, also
732         accept pseudo-registers with equivalent memory locations during reload.
733
734 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
735
736         Backport from the mainline
737         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
738
739         PR target/53199
740         * config/rs6000/rs6000.md (bswapdi splitters): If
741         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
742         default) is used, generate an alternate sequence that does not
743         depend on using indexed addressing.
744
745 2012-05-03  David S. Miller  <davem@davemloft.net>
746
747         PR target/52684
748         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
749         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
750         (sparc_emit_float_lib_cmp): Likewise.
751
752 2012-05-04  Martin Jambor  <mjambor@suse.cz>
753
754         Backport from mainline
755         2012-05-02  Martin Jambor  <mjambor@suse.cz>
756
757         PR lto/52605
758         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
759         of a variable when the contect is a function.
760
761 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
762
763         PR plugins/53126
764         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
765         append program name to it and pass that as first argument
766         to make_relative_prefix.  Always pass standard_libexec_prefix
767         as last argument to make_relative_prefix.  If
768         make_relative_prefix returns NULL, fall back to
769         standard_libexec_prefix.
770
771         PR debug/53174
772         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
773         removed.
774
775         PR target/53187
776         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
777         mode, return that mode.
778
779 2012-05-03  Richard Guenther  <rguenther@suse.de>
780
781         PR tree-optimization/53144
782         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
783         Rename to ...
784         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
785         with SSA name values.
786         (vn_reference_lookup_3): Adjust callers.
787
788 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
789
790         PR tree-optimization/53163
791         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
792         return value from compute_all_dependences.
793
794         PR rtl-optimization/53160
795         * ree.c (combine_reaching_defs): Handle the case where cand->insn
796         has been modified by ree pass already.
797
798 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
799
800         Backport from mainline
801         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
802
803         PR middle-end/53136
804         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
805         calls to cgraph_node_name in xstrdup.
806         (ipa_make_edge_direct_to_target): Ditto.
807         * tree-sra.c (convert_callers_for_node): Ditto.
808         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
809         * ipa-cp.c (perhaps_add_new_callers): Ditto.
810         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
811         (cgraph_materialize_all_clones): Ditto.
812         * ipa-inline.c (report_inline_failed_reason): Ditto.
813         (want_early_inline_function_p): Ditto.
814         (edge_badness): Ditto.
815         (update_edge_key): Ditto.
816         (flatten_function): Ditto.
817         (ipa_inline): Ditto.
818         (inline_always_inline_functions): Ditto.
819         (early_inline_small_functions): Ditto.
820
821 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
822
823         Backport from mainline
824         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
825
826         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
827         Introduce emul_name to select the right linker emulation for
828         powerpc64-*-freebsd*.
829         * configure: Regenerate.
830         * config.gcc: Add bits to support powerpc64-*-freebsd*.
831         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
832         * config/rs6000/freebsd64.h: New file.
833         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
834         POWERPC_FREEBSD.
835         (rs6000_savres_strategy): Likewise.
836         (rs6000_savres_routine_name): Likewise.
837         (rs6000_elf_file_end): Likewise.
838         * config/rs6000/t-freebsd64: New file.
839         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
840         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
841
842 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
843
844         Backport from mainline
845         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
846
847         PR target/53138
848         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
849
850 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
851
852         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
853         predicate to discriminate types.
854
855 2012-04-27  Richard Guenther  <rguenther@suse.de>
856
857         PR c/51527
858         * convert.c (convert_to_integer): Avoid infinite recursion for
859         target-defined built-in types.
860
861 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
862
863         PR target/53120
864         * config/cris/cris.md ("*andhi_lowpart_v32")
865         ("*andqi_lowpart_v32"): Change first input-only operand from
866         a (match_operand ...) to (match_dup 0).  Drop alternatives with
867         const_int-matching constraints for redundancy.
868         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
869         three-operand alternative.
870
871 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
872
873         Backport from mainline
874         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
875
876         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
877         (*addsi_2_zext): Ditto.
878         (*add<mode>_3): Ditto.
879         (*addsi_3_zext): Ditto.
880         (*add<mode>_5): Ditto.
881
882 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
883
884         PR c/52880
885         * c-typeck.c (set_nonincremental_init,
886         set_nonincremental_init_from_string): Pass true instead of false
887         as IMPLICIT to add_pending_init.
888
889 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
890
891         Backport from 2012-04-24 mainline r186768.
892
893         PR target/53065
894         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
895
896 2012-04-24  Richard Guenther  <rguenther@suse.de>
897
898         PR tree-optimization/53085
899         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
900         stores.
901
902 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
903
904         PR middle-end/53084
905         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
906         of MEM_REF.
907         (output_addressed_constants): Likewise.
908
909         PR middle-end/52999
910         * varasm.c (get_section): Don't ICE for section conflicts with
911         built-in section kinds.
912
913 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
914
915         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
916
917 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
918
919         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
920
921 2012-04-23  Richard Guenther  <rguenther@suse.de>
922
923         PR c/53060
924         * c-typeck.c (build_binary_op): Fix typo.
925
926 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
927
928         PR tree-optimizations/52891
929         * tree-vect-patterns.c (adjust_bool_pattern): Use
930         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
931         but with non-standard precision.
932
933 2012-04-22  Ian Lance Taylor  <iant@google.com>
934
935         * godump.c (go_output_typedef): Dump size of structs.
936
937 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
938
939         Backport from mainline:
940
941         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
942         hints for 'A' operand types.
943
944 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
945
946         Backport from 2012-04-19 mainline r186588.
947
948         PR target/53033
949         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
950         the case *(X+const).
951
952 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
953
954         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
955
956 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
957
958         PR target/53020
959         * config/i386/sync.md (atomic_<code><mode>): Rename to
960         atomic_<logic><mode>.
961
962 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
963
964         Backport from mainline
965         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
966
967         PR target/52932
968         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
969         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
970         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
971         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
972         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
973         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
974         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
975         gen_avx2_permvarv8sf.
976
977 2012-04-16  Martin Jambor  <mjambor@suse.cz>
978
979         Backported from mainline
980
981         2012-04-13  Martin Jambor  <mjambor@suse.cz>
982         PR middle-end/52939
983
984         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
985         fold_ctor_reference returns a zero constant.
986
987 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
988
989         Backported from mainline
990         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
991
992         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
993         and __ILP32__ for x32.
994
995 2012-04-13  Tom de Vries  <tom@codesourcery.com>
996
997         Backport from mainline r186418.
998
999         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1000
1001         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1002         parameters vuse and vuse_escaped.
1003         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1004         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1005         vuse1 != vuse2.
1006
1007 2012-04-13  Richard Guenther  <rguenther@suse.de>
1008
1009         PR tree-optimization/52969
1010         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1011         the condition for the COND_EXPR and handle predicate negation
1012         by swapping the COND_EXPR arms.
1013
1014 2012-04-13  Richard Guenther  <rguenther@suse.de>
1015
1016         PR c/52862
1017         * convert.c (convert_to_pointer): Remove special-casing of
1018         zero.
1019
1020 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1021
1022         Backport from mainline
1023         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1024
1025         PR target/52775
1026         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1027         the list of options to enable the FCFID instruction.
1028         (TARGET_EXTRA_BUILTINS): Adjust comment.
1029
1030 2012-04-12  Richard Guenther  <rguenther@suse.de>
1031
1032         PR tree-optimization/52943
1033         * tree-chrec.h (chrec_is_positive): Remove.
1034         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1035         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1036         Return false for a constant zero instead of negative.
1037         (analyze_siv_subscript_cst_affine): Handle zero difference
1038         in the initial condition explicitely.
1039
1040 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1041
1042         PR middle-end/52894
1043         * varasm.c (process_pending_assemble_externals): Set
1044         pending_assemble_externals_processed true.
1045         (assemble_external): Call assemble_external_real if the pending
1046         assemble externals have been processed.
1047
1048 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1049
1050         PR target/52717
1051         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1052         the DECL generated for the special GOT helper.
1053
1054 2012-04-06  Walter Lee  <walt@tilera.com>
1055
1056         Backport from mainline
1057         2012-03-07  Walter Lee  <walt@tilera.com>
1058
1059         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1060         REG_CFA_* notes for the stack pointer.
1061         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1062         EH_RETURN_STACKADJ_RTX.
1063         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1064         generate REG_CFA_* notes for the stack pointer.
1065         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1066         by EH_RETURN_STACKADJ_RTX.
1067
1068 2012-04-06  Matt Turner  <mattst88@gmail.com>
1069
1070         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1071
1072 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1073
1074         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1075         of the destination isn't also a FP_REGS register.
1076
1077 2012-04-03  Richard Guenther  <rguenther@suse.de>
1078
1079         Backport from mainline
1080         2012-03-02  Richard Guenther  <rguenther@suse.de>
1081
1082         PR tree-optimization/52406
1083         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1084         (struct indices): Add unconstrained_base member.
1085         (struct dr_alias): Remove unused vops member.
1086         (DR_UNCONSTRAINED_BASE): New define.
1087         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1088         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1089         be an artificial access that covers the whole indexed object,
1090         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1091         plain decl base-objects to their MEM_REF variant.
1092         (dr_may_alias_p): When the base-object of either data reference
1093         has unknown size use only points-to information.
1094         (compute_affine_dependence): Make dumps easier to read and
1095         more verbose.
1096         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1097         DR_REF when looking for packed references.
1098         (vect_supportable_dr_alignment): Likewise.
1099
1100 2012-04-03  Richard Guenther  <rguenther@suse.de>
1101
1102         Backport from mainline
1103         2012-03-15  Richard Guenther  <rguenther@suse.de>
1104
1105         PR middle-end/52580
1106         * tree-data-ref.c (subscript_dependence_tester_1): Check
1107         all dimensions for non-conflicting access functions.
1108
1109 2012-04-03  Richard Guenther  <rguenther@suse.de>
1110
1111         Backport from mainline
1112         2012-03-06  Richard Guenther  <rguenther@suse.de>
1113
1114         PR middle-end/52493
1115         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1116
1117         2012-03-23  Richard Guenther  <rguenther@suse.de>
1118
1119         PR tree-optimization/52678
1120         * tree-vectorizer.h (struct _stmt_vec_info): Add
1121         loop_phi_evolution_part member.
1122         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1123         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1124         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1125         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1126         Use the cached evolution part and the PHI nodes value from
1127         the loop preheader edge instead of re-analyzing the evolution.
1128
1129         2012-03-26  Richard Guenther  <rguenther@suse.de>
1130
1131         PR tree-optimization/52701
1132         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1133         compute and set the evolution part of PHI nodes.
1134
1135         2012-03-30  Richard Guenther  <rguenther@suse.de>
1136
1137         PR tree-optimization/52754
1138         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1139         propagate arbitrary addresses into really plain dereferences.
1140
1141 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1142
1143         PR tree-optimization/52835
1144         * tree-data-ref.c (build_rdg): Return NULL if
1145         compute_data_dependences_for_loop failed.
1146
1147 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1148
1149         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1150         (stmt_can_make_abnormal_goto): Use it.
1151         (is_ctrl_altering_stmt): Likewise.
1152
1153 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1154
1155         Backported from mainline
1156         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1157
1158         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1159         is a builtin_stack_save in a dominating BB.
1160
1161 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1162
1163         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1164         crossing 128bit lane boundary.
1165
1166 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1167
1168         Backported from mainline
1169         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1170
1171         PR target/52698
1172         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1173         New prototype.
1174         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1175         * config/i386/i386.c: Include reload.h.
1176         (ix86_legitimize_reload_address): New function.
1177
1178 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1179
1180         Backported from mainline
1181         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1182
1183         PR middle-end/52693
1184         * tree-sra.c (sra_modify_assign): Do not call
1185         load_assign_lhs_subreplacements when working with an unscalarizable
1186         region.
1187
1188 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1189
1190         PR middle-end/52691
1191         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1192         __builtin_va_start to __builtin_next_arg if the latter is
1193         builtin_decl_explicit_p rather than when it is not.
1194
1195         PR middle-end/52750
1196         * tree-vect-generic.c (vector_element): Perform multiplication
1197         for pos in bitsizetype type instead of idx type.
1198
1199 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1200
1201         Backport from 2012-03-28 mainline r185910.
1202
1203         PR target/52692
1204         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1205         (avr_builtin_decl): New static function.
1206         (struct avr_builtin_description, avr_bdesc): Move up.
1207         Add GTY marker. Add field fndecl. Remove redundant field id.
1208         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1209         (avr_expand_builtin): Code cleanup because .id is removed.
1210
1211 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1212
1213         PR middle-end/51893
1214         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1215         targets.
1216
1217 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1218
1219         Backport from 2012-03-28 mainline r185907.
1220
1221         PR target/52737
1222         * config.gcc (tm_file): Remove avr/multilib.h.
1223
1224         * doc/invoke.texi (AVR Options): Adjust
1225         documentation of -mtiny-stack.
1226
1227         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1228         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1229         * config/avr/t-avr: Remove generation of multilib.h.
1230         * config/avr/t-multilib: Regenerate.
1231         * config/avr/multilib.h: Remove.
1232         * config/avr/avr.opt (-msp8): New option.
1233         (avr_sp8): New variable.
1234         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1235         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1236         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1237         (avr_device_to_sp8): New prototype.
1238         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1239         (DRIVER_SELF_SPECS): New define.
1240         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1241         __AVR_SP8__, __AVR_HAVE_SPH__.
1242         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1243         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1244         (avr_file_start): Ditto.
1245
1246 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1247
1248         PR target/52736
1249         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1250         instead of 8 in adjust_address.
1251
1252 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1253
1254         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1255         of a unit before computing the offset in units.
1256
1257 2012-03-27  Richard Guenther  <rguenther@suse.de>
1258
1259         PR middle-end/52720
1260         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1261         explicitely.
1262
1263 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1264
1265         PR target/52610
1266         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1267
1268 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1269
1270         PR middle-end/52640
1271         * varasm.c: Include pointer-set.h.
1272         (pending_assemble_externals_set): New pointer set.
1273         (process_pending_assemble_externals): Destroy the pointer set.
1274         (assemble_external): See if decl is in pending_assemble_externals_set,
1275         and add it to pending_assemble_externals if necessary.
1276         (init_varasm_once): Allocate pending_assemble_externals_set.
1277
1278 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1279
1280         Backported from mainline
1281         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1282
1283         PR target/50310
1284         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1285         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1286         (vector_ltgt<mode>): Likewise.
1287         (vector_ordered<mode>): Likewise.
1288         (vector_unordered<mode>): Likewise.
1289         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1290
1291 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1292
1293         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1294         Make static.
1295
1296 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1297
1298         Backported from mainline
1299         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1300
1301         PR target/48596
1302         PR target/48806
1303         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1304         GENERAL_REGS and FP_REGS for SImode.
1305
1306 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1307
1308         PR middle-end/52547
1309         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1310         on any new_local_var_chain vars declared during recursing on
1311         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1312
1313 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1314
1315         Backport from 2012-03-22 mainline r185692.
1316
1317         PR target/52496
1318         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1319         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1320         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1321         (delay_cycles_1, delay_cycles_2): Ditto.
1322         (delay_cycles_3, delay_cycles_4): Ditto.
1323         (nopv, *nopv): Ditto.
1324         (sleep, *sleep): Ditto.
1325         (wdr, *wdr): Ditto.
1326
1327         Backport from 2012-03-21 mainline r185605.
1328
1329         PR rtl-optimization/52543
1330         PR target/52461
1331         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1332         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1333         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1334         (avr_load_libgcc_p): Restrict to __flash loads.
1335         (avr_out_lpm): Only handle 1-byte loads from __flash.
1336         (avr_load_lpm): New function.
1337         (avr_find_unused_d_reg): Remove.
1338         (avr_out_lpm_no_lpmx): Remove.
1339         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1340         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1341         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1342         (load_<mode>, load_<mode>_clobber): New insns.
1343         (mov<mode>): For multi-byte move from non-generic
1344         16-bit address spaces: Expand to load_<mode> resp.
1345         load_<mode>_clobber.
1346         (load<mode>_libgcc): Remove expander.
1347         (split-lpmx): Remove split.
1348
1349         Backport from 2012-03-13 mainline r185329.
1350
1351         PR target/52488
1352         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1353         offset (size) to a value the insns can deal with.
1354         (expand_epilogue): Ditto.
1355
1356         Backport from 2012-03-12 mainline r185256.
1357
1358         PR target/52499
1359         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1360         type from reg_class_t to enum reg_class.
1361         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1362
1363         Backport from 2012-03-12 mainline r185253.
1364
1365         PR target/52148
1366         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1367         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1368         r184615 from 2012-02-28.
1369
1370         Backport from 2012-03-08 mainline r185105.
1371
1372         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1373         for constants in [-63,63].
1374
1375         Backport from 2012-03-08 mainline r185100.
1376
1377         PR target/52496
1378         * config/avr/avr.c (avr_mem_clobber): New static function.
1379         (avr_expand_delay_cycles): Add memory clobber operand to
1380         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1381         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1382         (enable_interrupt, disable_interrupt): New expander.
1383         (nopv, sleep, wdr): New expanders.
1384         (delay_cycles_1): Add memory clobber.
1385         (delay_cycles_2): Add memory clobber.
1386         (delay_cycles_3): Add memory clobber.
1387         (delay_cycles_4): Add memory clobber.
1388         (cli_sei): New insn from former "enable_interrupt",
1389         "disable_interrupt" with memory clobber.
1390         (*wdt): New insn from former "wdt" with memory clobber.
1391         (*nopv): Similar, but for "nopv".
1392         (*sleep): Similar, but for "sleep".
1393
1394         Backport from 2012-03-07 mainline r185043.
1395
1396         PR target/52484
1397         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1398
1399         Backport from 2012-03-07 mainline r185032.
1400
1401         PR target/52506
1402         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1403         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1404         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1405
1406         Backport from 2012-03-07 mainline r185031.
1407
1408         PR target/52505
1409         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1410         from RAM.
1411         * config/avr/avr.md (xload_8): Adjust insn length.
1412
1413         Backport from 2012-03-07 mainline r185030.
1414
1415         PR target/52461
1416         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1417         if RAMPZ affects reading from RAM.
1418
1419         Backport from 2012-03-05 mainline r184919.
1420
1421         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1422
1423 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1424
1425         Backport from mainline r185259.
1426
1427         PR other/52545
1428         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1429         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1430
1431 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1432
1433         Backported from mainline
1434         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1435
1436         PR c/52577
1437         * c-parser.c (c_parser_postfix_expression)
1438         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1439
1440         * config/i386/smmintrin.h: Avoid /* within a comment.
1441         * config/i386/nmmintrin.h: Likewise.
1442
1443 2012-03-22  Richard Guenther  <rguenther@suse.de>
1444
1445         * BASE-VER: Set to 4.7.1.
1446         * DEV-PHASE: Set to prerelease.
1447
1448 2012-03-22  Release Manager
1449
1450         * GCC 4.7.0 released.
1451
1452 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1453
1454         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1455
1456 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1457             Andrew Pinski  <apinski@cavium.com>
1458
1459         PR middle-end/52592
1460         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1461         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1462         calls instead of __builtin_ir{int,ound}*.
1463
1464 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1465
1466         PR c++/52582
1467         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1468         if c_node is NULL.
1469
1470 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1471
1472         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1473         Refer to GCC 4.7 version of c99status.html.
1474
1475 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1476
1477         Backport from mainline
1478         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1479
1480         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1481         redefine to be NULL if the current bit-size is different from the
1482         configured bit-size.
1483
1484         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1485         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1486         set the default tuning.  Add asserts to make sure the cpu and tune
1487         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1488         test whether the index is set, instead of > 0.
1489         (rs6000_file_start): Do not reset the default cpu if the current
1490         bit-size is different from the configured bit-size.
1491
1492 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1493
1494         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1495         binutils reference.
1496         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1497         Update binutils references.
1498         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1499         Update binutils reference.
1500         Update Sun as/GNU ld caveat.
1501         Document binutils largefile requirement for LTO plugin.
1502         Remove reference to alternate libpthread.
1503
1504 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1505
1506         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1507         reference.
1508         (Specific, mips-sgi-irix6): Likewise.
1509
1510 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1511
1512         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1513         * configure: Regenerate.
1514
1515 2012-03-07  Richard Henderson  <rth@redhat.com>
1516
1517         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1518         * config/m68k/sync.md (atomic_test_and_set): Use it.
1519         (atomic_test_and_set_1): Likewise.
1520
1521 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1522
1523         PR target/51417
1524         * Makefile.in: Let install-gcc-ar depend on installdirs,
1525         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1526         Don't double canonicalize if cross-compiling.
1527
1528 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1529
1530         * trans-mem.c: New typedef for tm_region_p.
1531         Define vector types for tm_region_p.
1532         (tm_region_init): Replace region_worklist to a vector called
1533         bb_regions.
1534
1535 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1536
1537         PR middle-end/52463
1538         * trans-mem.c (tm_region_init): Use last_basic_block.
1539
1540 2012-03-05  Richard Henderson  <rth@redhat.com>
1541
1542         PR tree-opt/52242
1543         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1544         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1545         BIGGEST_ALIGNMENT is aligned.
1546
1547 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1548
1549         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1550
1551 2012-03-05  Richard Henderson  <rth@redhat.com>
1552
1553         PR target/52481
1554         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1555         instead of calling negqi2 directly.
1556
1557 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1558
1559         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1560         (INTMAX_TYPE): Use it.
1561         (UINTMAX_TYPE): Likewise.
1562         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1563         (irix6_c_common_override_options): Declare.
1564         (C_COMMON_OVERRIDE_OPTIONS): Define.
1565         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1566         * config/mips/irix6-c.c: New file.
1567         * config/mips/t-irix6 (irix6-c.o): New target.
1568         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1569         cxx_target_objs.
1570
1571 2012-03-02  Richard Henderson  <rth@redhat.com>
1572
1573         * optabs.c (expand_atomic_test_and_set): Honor
1574         atomic_test_and_set_trueval even when atomic_test_and_set
1575         optab is not in use.
1576
1577 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1578
1579         Backport from mainline
1580         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1581
1582         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1583
1584 2012-03-02  Richard Guenther  <rguenther@suse.de>
1585
1586         * DEV-PHASE: Set to prerelease.
1587
1588 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1589
1590         * config.gcc (obsolete): Add all ARM targets using the FPA.
1591         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1592         * doc/install.texi: Avoid references to obsolete ARM ports.
1593
1594 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1595
1596         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1597
1598 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1599             Joern Rennecke  <joern.rennecke@embecosm.com>
1600
1601         * doc/extend.texi: Expand and update information on interrupt
1602         attribute for Epiphany.
1603
1604 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1605
1606         * config/sh/sh-protos.h: Update copyright notice dates.
1607         * config/sh/sh.h: Likewise.
1608         * config/sh/sh.md: Likewise.
1609         * config/sh/constraints.md: Likewise.
1610         * config/sh/predicates.md: Likewise.
1611
1612 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1613
1614         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1615         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1616
1617 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1618
1619         * config/sh/constraints.md: Fix comment typo.
1620
1621 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1622
1623         PR target/52408
1624         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1625         unsigned HOST_WIDE_INT.
1626         (zvdep_imm64): Likewise.
1627         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1628         (vdepi_and): Likewise.
1629         Likewise for unamed 64-bit patterns.
1630         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1631
1632 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1633
1634         PR debug/52001
1635         PR rtl-optimization/52417
1636         * cselib.c (cselib_any_perm_equivs): New variable.
1637         (cselib_reset_table): Check that it's not set when not
1638         preserving constants.
1639         (cselib_add_permanent_equiv): Set it.
1640         (cselib_have_permanent_equivalences): New.
1641         (cselib_init, cselib_finish): Reset it.
1642         * cselib.h (cselib_have_permanent_equivalences): Declare.
1643         * alias.c (get_addr): Restore earlier behavior when there
1644         aren't permanent equivalences.
1645
1646 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1647
1648         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1649         * config/v850/v850-modes.def: Fix copyright notice.
1650
1651 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1652
1653         * doc/extend.texi (AVR Built-in Functions): Document
1654         __builtin_avr_flash_segment.
1655
1656         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1657         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1658         (*split.flash_segment): New insn-and-split.
1659         * config/avr/avr.c (avr_init_builtins): Add local variables:
1660         const_memx_void_node, const_memx_ptr_type_node,
1661         char_ftype_const_memx_ptr.
1662
1663 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1664
1665         PR tree-optimization/52445
1666         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1667         add ssa_name_ver, offset and size fields and change store field
1668         to bool.
1669         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1670         (add_or_mark_expr): Likewise.  Only consider previous stores
1671         with the same size and offset.
1672         (nt_init_block): Only look at gimple_assign_single_p stmts,
1673         doesn't look at rhs2.
1674
1675 2012-03-01  Richard Guenther  <rguenther@suse.de>
1676
1677         PR middle-end/52443
1678         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1679         conversions from integral types to pointer types.
1680
1681 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1682
1683         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1684         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1685         unintentionally removed in r184616.
1686
1687 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1688
1689         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1690         3DNow from bdver1.
1691
1692 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1693             Uros Bizjak  <ubizjak@gmail.com>
1694
1695         PR target/52437
1696         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1697         alternatives, add "e" constraint to the new last alternative
1698         and ! to last 3 alternatives.
1699
1700 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1701
1702         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1703         DW_AT_artificial attributes at the end of the processing.
1704         (gen_array_type_die): Likewise.
1705         (gen_enumeration_type_die): Likewise.
1706         (gen_struct_or_union_type_die): Likewise.
1707         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1708         the parent type.
1709
1710 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1711
1712         PR middle-end/52419
1713         * expr.c (expand_assignment): If doing misaligned store that doesn't
1714         cover all mode bits, perform a RMW cycle.
1715
1716         PR tree-optimization/52429
1717         * tree-parloops.c (separate_decls_in_region_debug): Return early
1718         if var is LABEL_DECL.
1719
1720 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1721
1722         PR tree-optimization/52424
1723         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1724         calling dom_thread_across_edge.
1725
1726 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1727
1728         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1729
1730 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1731
1732         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1733         * config/avr/avr.c (avr_output_bld): Remove unused function.
1734         (avr_out_sbxx_branch): Use "%T" to print bit position.
1735
1736 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1737
1738         * config/avr/avr.md: Untabify.
1739
1740 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1741
1742         * config/avr/avr.md (eqne): New code iterator.
1743         (*dec-and-branchsi): Use it in text peephole's condition.
1744         (*dec-and-branchhi): Ditto.
1745         (*dec-and-branchqi): Ditto.
1746
1747 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1748
1749         PR target/49939
1750         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1751         the device does not have the skip-bug.
1752
1753 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1754
1755         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1756         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1757         -mpretend-cmove): New.
1758
1759 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1760
1761         PR bootstrap/52397
1762         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1763         doesn't count DEBUG_INSN refs.
1764         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1765         for DEBUG_INSN refs.
1766
1767 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1768
1769         Partially revert:
1770
1771         2012-02-20  Richard Guenther  <rguenther@suse.de>
1772         PR tree-optimization/52298
1773         * tree-vect-stmts.c (vectorizable_load): Properly use
1774         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1775         outer loops.
1776
1777 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1778
1779         PR middle-end/51752
1780         * gimple.h (gimple_in_transaction): New.
1781         (gimple_set_in_transaction): New.
1782         (struct gimple_statement_base): Add in_transaction field.
1783         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1784         transaction loads.
1785         (tree_ssa_lim_initialize): Compute transaction bits.
1786         * tree.h (compute_transaction_bits): Protoize.
1787         * trans-mem.c (tm_region_init): Use the heap to store BB
1788         auxilliary data.
1789         (compute_transaction_bits): New.
1790
1791 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1792
1793         * gcc.c (display_help): Document --help=common and sort entries
1794         alphabetically.
1795
1796 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1797
1798         * doc/install.texi: Document check-$LANG specific shortcuts
1799
1800 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1801
1802         PR target/51534
1803         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1804         and vcgtu.
1805         * config/arm/arm_neon.h: Regenerate.
1806         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1807         (neon_vcgeu): New insn.
1808         (neon_vcgtu): Likewise.
1809         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1810         (ops): Unsigned comparison intrinsics call a different
1811         builtin.
1812
1813 2012-02-28  Richard Guenther  <rguenther@suse.de>
1814
1815         PR target/52407
1816         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1817         ordering for the VEC_CONCAT for two element vectors for
1818         V2SFmode, V2SImode and V2DImode.
1819
1820 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1821
1822         PR target/49448
1823         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1824         detecting big-endian triplets.
1825
1826 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1827
1828         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1829         mode if there is no type information available.
1830
1831 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1832
1833         PR tree-optimization/53207
1834         * doc/invoke.texi: Document as experimental and relying on graphite.
1835
1836 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1837
1838         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1839         of initializer to changes from r184614.
1840
1841 2012-02-28  Richard Guenther  <rguenther@suse.de>
1842
1843         PR tree-optimization/52395
1844         * tree-sra.c (build_ref_for_offset): Also look at the base
1845         TYPE_ALIGN when figuring out the alignment of the replacement.
1846
1847 2012-02-28  Richard Guenther  <rguenther@suse.de>
1848
1849         PR tree-optimization/52402
1850         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1851         mis-aligned types when creating the accesses at the call site.
1852
1853 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1854
1855         * config/avr/builtins.def: New file.
1856         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1857         * config/avr/avr.c (enum avr_builtin_id): Use it.
1858         (avr_init_builtins): Use it. And use avr_bdesc.
1859         (bdesc_1arg): Remove.
1860         (bdesc_2arg): Remove.
1861         (bdesc_3arg): Remove.
1862         (struct avr_builtin_description): Add field n_args.
1863         (avr_bdesc): New static variable using builtins.def.
1864         (avr_expand_builtin): Use it.
1865         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1866         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1867         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1868
1869 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1870
1871         PR target/52148
1872         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1873         match only one single hard register with respective hard reg rtx.
1874         (movmemx_<mode>): Ditto.
1875         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1876         insn anatomy of movmem[x]_<mode>.
1877         (avr_out_movmem): Same for printing assembler and operand usage.
1878
1879 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1880
1881         PR target/49868
1882         PR target/52261
1883         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1884         address spaces located outside of device flash.
1885
1886         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1887         (mcu_type_s): Add field n_flash.
1888         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1889         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1890         (AVR_MCU): Add N_FLASH argument.
1891         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1892         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1893         macro __FLASH<n> if that address space makes sense for the device.
1894         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1895         outside of target flash.
1896         (avr_asm_named_section): Ditto.
1897         (avr_asm_select_section): Ditto.
1898         (avr_addr_space_convert): Ditto.
1899         (avr_emit_movmemhi): Ditto.
1900         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1901         address space is outside of device flash.
1902         (avr_insert_attributes): Ditto.
1903         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1904         avr_current_arch->n_segments.
1905
1906 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1907
1908         PR target/52352
1909         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1910         TARGET_LP64.
1911         (*movabs<mode>_2): Likewise.
1912
1913 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1914
1915         PR target/52375
1916         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1917         s_register_operand in the test instead of REG_P.  Don't call
1918         gen_reg_rtx if it won't be used.
1919
1920         PR tree-optimization/52376
1921         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1922
1923 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1924
1925         * ifcvt.c (noce_get_condition): Check condition variable is not
1926         small_register_classes_for_mode_p before accepting.
1927
1928 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1929
1930         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1931
1932 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1933
1934         Revert:
1935         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1936         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1937         tuning parameters.
1938         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1939
1940 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1941
1942         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1943
1944 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1945
1946         * config/sh/predicates.md: Remove blank lines.
1947         * config/sh/sh.c: Fix typos in comments.
1948         * config/sh/constraints.md: Likewise.
1949         * config/sh/sh.md: Remove blank lines.
1950         Fix typos in comments.  Use ;; as comment characters.
1951
1952 2012-02-26  Walter Lee  <walt@tilera.com>
1953
1954         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1955         (replace_mov_pcrel_step2): Ditto.
1956
1957 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1958
1959         PR debug/52001
1960         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1961         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1962         and locs that reference values newer than the non-canonical value
1963         at hand.  Return the canonical value as a worst case.
1964         (memrefs_conflict_p): Walk canonical value's locs.
1965
1966         PR debug/52001
1967         * cselib.c (preserve_only_constants): Rename to...
1968         (preserve_constants_and_equivs): ... this.  Split out...
1969         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1970         of other preserved expressions too.
1971         (cselib_reset_table): Adjust.
1972         * var-tracking.c (reverse_op): Use canonical value to build
1973         reverse operation.
1974
1975 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1976
1977         * config/i386/i386.c (ix86_delegitimize_address): Handle
1978         UNSPEC_PCREL plus displacement.
1979
1980 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1981
1982         PR target/52261
1983         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1984         to test for unusedness in st X addressing.
1985
1986 2012-02-24  Richard Guenther  <rguenther@suse.de>
1987
1988         PR middle-end/52361
1989         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1990         (is_gimple_reg_type): Move inline ...
1991         * gimple.h (is_gimple_reg_type): ... here.
1992
1993 2012-02-24  Richard Guenther  <rguenther@suse.de>
1994
1995         PR middle-end/52361
1996         * passes.c (execute_function_todo): When verifying SSA form
1997         verify gimple form first.
1998         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1999
2000 2012-02-24  Richard Guenther  <rguenther@suse.de>
2001
2002         PR middle-end/52355
2003         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2004         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2005
2006 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2007
2008         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2009
2010 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2011
2012         * tree-phinodes.c (make_phi_node): Mark static.
2013         * tree-flow.h (make_phi_node): Remove extern decl.
2014         * doc/gimple.texi (make_phi_node): Remove documentation.
2015
2016 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2017
2018         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2019         * tree-ssa-sccvn.c (print_scc): Ditto.
2020
2021 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2022
2023         * doc/passes.texi (Full redundancy elimination): Fix typo.
2024
2025 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2026
2027         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2028
2029 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2030
2031         PR bootstrap/52287
2032         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2033
2034 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2035
2036         PR c/52290
2037         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2038
2039 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2040
2041         * config/avr/avr.md (code_stdname): Add ior, xor.
2042         (xior): New code iterator.
2043         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2044         (*<code_stdname><mode>qi.byte1-3): Ditto.
2045
2046 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2047
2048         PR tree-optimization/52019
2049         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2050         CLOBBER stmts.
2051
2052 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2053
2054         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2055         HAVE_INITFINI_ARRAY to work around namespace pollution in
2056         certain versions of newlib system headers.
2057         * config.in: Regenerate.
2058         * configure: Regenerate.
2059         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2060         instead of HAVE_INITFINI_ARRAY.
2061
2062 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2063
2064         PR target/52330
2065         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2066         is not offsettable memory reference.
2067
2068 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2069
2070         PR target/18145
2071         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2072         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2073
2074 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2075
2076         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2077         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2078
2079 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2080
2081         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2082         library on Solaris 8 even without TLS support.
2083         * configure: Regenerate.
2084
2085 2012-02-22  Richard Guenther  <rguenther@suse.de>
2086
2087         PR middle-end/52329
2088         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2089         for GIMPLE_DEBUG stmts.
2090
2091 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2092
2093         PR middle-end/51782
2094         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2095         according to the base object.
2096
2097 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2098
2099         PR rtl-optimization/50063
2100         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2101         and 2 (8-bit SP) in operand 2.
2102         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2103         setup to use movhi_sp_r instead of vanilla move to write SP.
2104         Adjust REG_CFA notes to superseed unspec.
2105         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2106         of vanilla move.
2107         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2108         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2109         irq_state 1 (IRQ known to be on) here.
2110
2111 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2112
2113         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2114         WORDS_BIG_ENDIAN.
2115         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2116         assign_hard_reg): Likewise.
2117
2118 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2119
2120         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2121
2122 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2123
2124         * config/avr/avr.md
2125         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2126         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2127
2128 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2129
2130         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2131         prototype from here to...
2132         * config/avr/avr.h: ...here.
2133
2134 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2135
2136         PR target/52294
2137         * thumb2.md (thumb2_shiftsi3_short): Split register and
2138         immediate shifts.  For register shifts tie operands 0 and 1.
2139         (peephole2 for above): Check that register-controlled shifts
2140         have suitably tied operands.
2141
2142 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2143
2144         PR target/52137
2145         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2146         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2147         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2148         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2149         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2150         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2151         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2152         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2153         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2154         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2155         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2156         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2157         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2158         bdver1_ssevector_avx256_unaligned_load,
2159         bdver1_ssevector_sse128_unaligned_load,
2160         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2161         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2162         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2163         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2164         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2165         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2166         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2167         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2168         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2169         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2170         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2171         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2172         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2173         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2174         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2175         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2176         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2177         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2178         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2179         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2180         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2181         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2182         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2183         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2184         bdver1_ssediv_double_load, bdver1_ssediv_double,
2185         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2186         Add "bdver2" attribute.
2187
2188 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2189
2190         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2191         default if possible and not specified otherwise.
2192
2193 2012-02-21  Richard Guenther  <rguenther@suse.de>
2194
2195         PR middle-end/52314
2196         * gimplify.c (create_tmp_from_val): Use the main variant type
2197         for the type of the temporary we create.
2198
2199 2012-02-21  Richard Guenther  <rguenther@suse.de>
2200
2201         PR tree-optimization/52324
2202         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2203         do not gimplify a MEM_REF address operand if it is already
2204         in suitable form.
2205
2206 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2207
2208         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2209         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2210
2211 2012-02-21  Richard Guenther  <rguenther@suse.de>
2212
2213         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2214         nested_in_vect_loop.
2215
2216 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2217
2218         PR tree-optimization/52318
2219         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2220         vdef also to non-pure/const call stmts in the sequence.
2221
2222 2012-02-20  David S. Miller  <davem@davemloft.net>
2223
2224         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2225         don't use the "rd %pc" instruction on v9 for PIC register loads.
2226
2227 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2228
2229         PR middle-end/52141
2230         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2231         in a transaction safe function.
2232
2233 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2234
2235         PR target/52238
2236         * stor-layout.c (place_field): Handle desired_align for
2237         ms-bitfields, too.
2238
2239 2012-02-20  Richard Guenther  <rguenther@suse.de>
2240
2241         PR tree-optimization/52298
2242         * tree-vect-stmts.c (vectorizable_store): Properly use
2243         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2244         outer loops.
2245         (vectorizable_load): Likewise.
2246         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2247         Access DR_STEP after ensuring it is not NULL.
2248
2249 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2250
2251         PR tree-optimization/52286
2252         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2253         optimization use double_int_to_tree instead of build_int_cst_wide,
2254         rewrite to use double_int vars.
2255
2256 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2257
2258         PR target/50166
2259         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2260         Define _start.
2261         Remove -e 0 from $gcc_cv_ld invocation.
2262         Only use __GLIBC_PREREQ if defined.
2263         Enable on Solaris since Solaris 8 patch.
2264         (gcc_SUN_LD_VERSION): New macro.
2265         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2266         gcc_SUN_LD_VERSION for version number format.
2267         * configure: Regenerate.
2268         * varasm.c (get_elf_initfini_array_priority_section): Set
2269         SECTION_NOTYPE for non-default priority.
2270         Use get_section instead of get_unnamed_section to emit
2271         .init_array/.fini_array with default priority.
2272
2273 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2274
2275         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2276         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2277         (mips_start_unique_function, mips_output_mips16_rdhwr)
2278         (mips_code_end): New functions.
2279         (TARGET_ASM_CODE_END): Define.
2280
2281 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2282
2283         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2284         to stubs with non-sibling calls.
2285
2286 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2287
2288         * doc/invoke.texi (-fira-* options): Copy-edit.
2289         (ira-* parameters): Copy-edit.
2290
2291 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2292
2293         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2294         GCC coding conventions.
2295
2296 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2297
2298         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2299         when used as adjectives.
2300
2301 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2302
2303         * doc/invoke.texi: Clean up "that"/"which" confusion.
2304
2305 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2306
2307         * system.h: Poison SMALL_REGISTER_CLASSES
2308         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2309         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2310
2311 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2312
2313         PR tree-optimization/52285
2314         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2315         when deciding if a call is a tail call or tail recursion.
2316
2317 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2318
2319         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2320         interger-constant displacement for UNSPEC_PCREL.
2321
2322 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2323
2324         PR rtl-optimization/52208
2325         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2326         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2327
2328         PR tree-optimization/52255
2329         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2330         loop->header has virtual PHI, but exit_e->dest doesn't, add
2331         virtual PHI to exit_e->dest and adjust all uses after the loop.
2332
2333         PR debug/52260
2334         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2335         children with clone_tree_hash, not after it.
2336
2337 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2338
2339         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2340         extended identifiers.
2341
2342 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2343
2344         PR middle-end/51929
2345         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2346         a same_body_alias, also test whether e->callee isn't a former
2347         or current clone of the decl this is a same body alias of.
2348
2349         PR translation/52264
2350         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2351
2352 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2353
2354         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2355
2356 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2357
2358         PR target/52199
2359         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2360         force_reg instead of copy_to_reg for better optimization.  Force
2361         non-register or memory operands into a register.
2362
2363 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2364
2365         * extend.texi: Reserve upper bits of memory model for future use.
2366
2367 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2368             Anatoly Sokolov <aesok@post.ru>
2369             Eric Weddington <eric.weddington@atmel.com>
2370
2371         PR target/52261
2372         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2373         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2374         Rewrite initializers for .macro.
2375         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2376         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2377         atxmega32d4, atxmega32x1.
2378         avrxmega4: atxmega64a3, atxmega64d3.
2379         avrxmega5: atxmega64a1, atxmega64a1u.
2380         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2381         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2382         avrxmega7: atxmega128a1, atxmega128a1u.
2383         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2384         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2385         (struct base_arch_s): Rename reserved to xmega_p.
2386         Rename reserved2 to have_rampd.
2387         (AVR_XMEGA): New define.
2388         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2389         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2390         * config/avr/predicates.md (io_address_operand): Take into
2391         account SFR offset.
2392         (low_io_address_operand): Ditto.
2393         (high_io_address_operand): Ditto.
2394         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2395         (enabled, movhi_sp_r): Use them.
2396         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2397         cpp_define_formatted to built-in define __AVR_ARCH__.
2398         (__AVR_XMEGA__): New built-in define.
2399         (__AVR_HAVE_RAMPD__): New built-in define.
2400         (__AVR_HAVE_RAMPX__): New built-in define.
2401         (__AVR_HAVE_RAMPY__): New built-in define.
2402         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2403
2404         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2405         (avr_option_override): Initialize them.
2406         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2407         (avr_init_expanders): Initialize them. No more block several calls.
2408         (emit_push_sfr): New static function.
2409         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2410         Handle AVR_XMEGA.
2411         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2412         (avr_print_operand): Print addreeses as symbols for
2413         RAMPX, RAMPY, RAMPD, CCP.
2414         (output_movhi): Handle AVR_XMEGA when writing to SP.
2415         (avr_out_movhi_mr_r_xmega): New static function.
2416         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2417         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2418         __RAMPD__,  __CCP__ as needed.
2419
2420         * config/avr/multilib.h: Regenerate.
2421         * config/avr/t-multilib: Regenerate.
2422         * config/avr/avr-tables.opt: Regenerate.
2423
2424 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2425
2426         PR tree-optimization/50561
2427         * graphite-flattening.c (lst_project_loop): Do not
2428         remove old scattering dimensions after flattening.
2429         (lst_do_flatten): Likewise.
2430
2431 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2432
2433         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2434         __builtin_avr_map8, __builtin_avr_map16.
2435         Document __builtin_avr_insert_bits.
2436
2437         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2438         (insert_bits): New insn.
2439         (adjust_len.map_bits): Rename to insert_bits.
2440         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2441         * avr-protos.h (avr_out_map_bits): Remove.
2442         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2443         * config/avr/constraints.md (Cxf,C0f): New.
2444         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2445         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2446         New built-in define __BUILTIN_AVR_INSERT_BITS.
2447         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2448         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2449         (avr_move_bits): Rewrite.
2450         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2451         functions.
2452         (avr_map_op_t): New typedef.
2453         (avr_map_op): New static variable.
2454         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2455         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2456         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2457         (bdesc_3arg, avr_expand_triop_builtin): New.
2458         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2459         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2460         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2461         (avr_map_equal_p, avr_map_sig_p): Remove.
2462         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2463         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2464         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2465         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2466         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2467         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2468
2469 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2470
2471         * config/c6x/c6x.md (reserve_cycles): New attribute.
2472         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2473         don't reserve functional units after the branch occurs.
2474
2475 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2476
2477         PR middle-end/52142
2478         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2479         functions into non-tm_pure functions.
2480
2481 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2482
2483         PR lto/52178
2484         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2485         (iterative_hash_canonical_type): Likewise.
2486         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2487         the dead edges.
2488
2489 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2490
2491         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2492         sched-group insn, it either remains alone or the entire list is pruned.
2493
2494 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2495
2496         * doc/install.texi (Prerequisites): Fix grammar.
2497         (Configuration): Likewise.
2498
2499 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2500
2501         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2502         MPC as part of GCC before describing configuring with --with-gmp etc.
2503         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2504         sources are present.
2505
2506 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2507
2508         PR debug/51950
2509         * dwarf2out.c (clone_tree_hash): New function.
2510         (copy_decls_walk): Use it instead of clone_tree.
2511
2512 2012-02-14  Richard Guenther  <rguenther@suse.de>
2513
2514         PR tree-optimization/52244
2515         PR tree-optimization/51528
2516         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2517         replacements for integral types.
2518
2519 2012-02-14  Walter Lee  <walt@tilera.com>
2520
2521         * config.gcc: Handle tilegx and tilepro.
2522         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2523         tilegx and tilepro.
2524         Add HAVE_AS_TLS check for tilegx and tilepro.
2525         * configure: Regenerate.
2526         * doc/contrib.texi: Add Mat Hostetter and self.
2527         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2528         Document instruction intrinsics and network accessing intrinsics.
2529         (TILEPro Built-in Functions): New node.  Document instruction
2530         intrinsics and network accessing intrinsics.
2531         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2532         (Specific, tilepro-*-linux*): Likewise.
2533         * doc/invoke.texi (TILE-Gx Options): New section.
2534         (TILEPro Options): New section.
2535         * doc/md.texi (TILE-Gx): New section.
2536         (TILEPro): New section.
2537         * common/config/tilegx/tilegx-common.c: New file.
2538         * common/config/tilepro/tilepro-common.c: New file.
2539         * config/tilegx/constraints.md: New file.
2540         * config/tilegx/linux.h: New file.
2541         * config/tilegx/mul-tables.c: New file.
2542         * config/tilegx/predicates.md: New file.
2543         * config/tilegx/sync.md: New file.
2544         * config/tilegx/t-tilegx: New file.
2545         * config/tilegx/tilegx-builtins.h: New file.
2546         * config/tilegx/tilegx-c.c: New file.
2547         * config/tilegx/tilegx-generic.md: New file.
2548         * config/tilegx/tilegx-modes.def: New file.
2549         * config/tilegx/tilegx-multiply.h: New file.
2550         * config/tilegx/tilegx-protos.h: New file.
2551         * config/tilegx/tilegx.c: New file.
2552         * config/tilegx/tilegx.h: New file.
2553         * config/tilegx/tilegx.md: New file.
2554         * config/tilegx/tilegx.opt: New file.
2555         * config/tilepro/constraints.md: New file.
2556         * config/tilepro/gen-mul-tables.cc: New file.
2557         * config/tilepro/linux.h: New file.
2558         * config/tilepro/mul-tables.c: New file.
2559         * config/tilepro/predicates.md: New file.
2560         * config/tilepro/t-tilepro: New file.
2561         * config/tilepro/tilepro-builtins.h: New file.
2562         * config/tilepro/tilepro-c.c: New file.
2563         * config/tilepro/tilepro-generic.md: New file.
2564         * config/tilepro/tilepro-modes.def: New file.
2565         * config/tilepro/tilepro-multiply.h: New file.
2566         * config/tilepro/tilepro-protos.h: New file.
2567         * config/tilepro/tilepro.c: New file.
2568         * config/tilepro/tilepro.h: New file.
2569         * config/tilepro/tilepro.md: New file.
2570         * config/tilepro/tilepro.opt: New file.
2571
2572 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2573
2574         PR tree-optimization/52210
2575         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2576         vect_model_simple_cost with two entry vect_def_type array instead
2577         of an address of dt.
2578
2579 2012-02-14  Richard Guenther  <rguenther@suse.de>
2580
2581         PR lto/52178
2582         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2583         Do not stream DECL_QUALIFIER.
2584         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2585         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2586         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2587
2588 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2589
2590         PR c/52181
2591         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2592         newdecl.
2593
2594 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2595
2596         PR bootstrap/52172
2597         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2598         * cselib.c (cselib_subst_to_values_from_insn): New function.
2599         * sched-deps.c (add_insn_mem_dependence,
2600         sched_analyze_1, sched_analyze_2): Use it.
2601
2602 2012-02-13  Jan Hubicka  <jh@suse.cz>
2603
2604         PR middle-end/52214
2605         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2606
2607 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2608
2609         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2610         (GTM_SELF_SPECS): Define if not already defined.
2611         (driver_self_specs): Add GTM_SELF_SPECS.
2612         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2613         (GTM_SELF_SPECS): Define.
2614         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2615         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2616
2617 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2618
2619         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2620         away if seen.
2621
2622         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2623
2624         PR middle-end/52230
2625         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2626         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2627
2628 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2629
2630         PR c/52190
2631         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2632
2633 2012-02-13  Richard Guenther  <rguenther@suse.de>
2634
2635         PR translation/52211
2636         * passes.c (enable_disable_pass): Fix typo.
2637
2638 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2639
2640         PR middle-end/52209
2641         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2642         XOR for reduce_bit_field if type is unsigned.
2643
2644 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2645
2646         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2647         disallow changes from SFmode to mode with different size in FP regs.
2648
2649 2012-02-12  Robert Millan  <rmh@gnu.org>
2650             Gerald Pfeifer <gerald@pfeifer.com>
2651
2652         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2653         Tweak comment.
2654
2655 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2656
2657         PR rtl-optimization/52175
2658         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2659         to frame-related instructions.
2660
2661 2012-02-10  Jason Merrill  <jason@redhat.com>
2662
2663         PR c++/51910
2664         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2665         (demangle_new_symbols): Fill it.
2666         (scan_linker_output): Walk it.
2667         (start_tweaking): Split out from scan_linker_output.
2668         (maybe_tweak): Update sym->chosen.
2669         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2670
2671 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR debug/52132
2674         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2675
2676 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2677
2678         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2679         having the same mode as previous compare.
2680
2681 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2682
2683         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2684         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2685         (nonlocal_goto_internal): Likewise.
2686         (nonlocal_goto): Emit a use and an indirect jump directly.
2687
2688 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2689
2690         PR c/52190
2691         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2692         __atomic_{is,always}_lock_free.
2693
2694 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2695
2696         PR target/52146
2697         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2698         negative constant address for x32.
2699
2700 2012-02-10  Richard Henderson  <rth@redhat.com>
2701
2702         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2703         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2704         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2705
2706 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2707             Ira Rosen  <irar@il.ibm.com>
2708
2709         PR tree-optimization/50031
2710         * targhooks.c (default_builtin_vectorization_cost): Handle
2711         vec_promote_demote.
2712         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2713         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2714         all types of reduction and pattern statements.
2715         (vect_estimate_min_profitable_iters): Likewise.
2716         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2717         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2718         for explicit realigns.
2719         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2720         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2721         vec_promote_demote.
2722         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2723         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2724         vec_perm for VSX and handle vec_promote_demote.
2725
2726 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2727
2728         PR middle-end/52177
2729         * builtins.c (fold_builtin_atomic_always_lock_free,
2730         expand_builtin_atomic_always_lock_free,
2731         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2732         Return and/or test boolean_true_node/boolean_false_node instead of
2733         integer_one_node/integer_zero_node.
2734
2735 2012-02-10  Jan Hubicka  <jh@suse.cz>
2736
2737         PR middle-end/48600
2738         * predict.c (predict_paths_for_bb): Prevent looping.
2739         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2740
2741 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2742
2743         * config/arm/arm.c (output_move_double): In one case properly
2744         count number of instructions that will be emitted.
2745
2746 2012-02-10  Richard Guenther  <rguenther@suse.de>
2747
2748         PR translation/52193
2749         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2750
2751 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2752
2753         PR middle-end/52140
2754         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2755
2756 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2757
2758         PR debug/52165
2759         * var-tracking.c (emit_note_insn_var_location): If
2760         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2761         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2762         non-NOTE_DURING_CALL_P insn.
2763
2764 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2765
2766         PR middle-end/51867
2767         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2768
2769 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2770
2771         PR driver/48524
2772         * gcc.c (switch_matches) Support switches with separated form,
2773         -D and -U.
2774
2775 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2776
2777         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2778         (SP_ADDR): Ditto.
2779         (RAMPZ_ADDR): Ditto.
2780         * config/avr/avr.c (avr_addr_t): New typedef.
2781         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2782         (avr_init_expanders): Initialize it.
2783         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2784         SREG_ADDR.
2785         (expand_epilogue): Ditto.
2786         (avr_print_operand): Ditto.
2787         (avr_file_start): Ditto.
2788         (avr_emit_movmemhi): Ditto.
2789
2790 2012-02-08  Richard Guenther  <rguenther@suse.de>
2791
2792         PR tree-optimization/46886
2793         * tree-flow.h (do_while_loop_p): Declare.
2794         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2795         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2796
2797 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2798
2799         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2800         always succeed for integers larger than a native word.
2801
2802 2012-02-08  Richard Guenther  <rguenther@suse.de>
2803
2804         PR rtl-optimization/52170
2805         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2806         properly handle integer vector modes.
2807
2808 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2809
2810         PR gcov-profile/52150
2811         * coverage.c: Include target.h.
2812         (build_var): Call targetm.strip_name_encoding on the assembler name.
2813         Change one _ into . or $ if the target allows it.
2814         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2815
2816         PR rtl-optimization/52139
2817         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2818         is a BARRIER after emit_insn_after_noloc, move BB_END
2819         to the last non-BARRIER insn before it.
2820
2821 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2822
2823         PR middle-end/24306
2824         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2825         (mips_gimplify_va_arg_expr): Call it instead of
2826         std_gimplify_va_arg_expr.
2827
2828 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2829
2830         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2831         message for -mno-pointers-to-nested-function.
2832
2833 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2834
2835         PR middle-end/51994
2836         * expr.c (get_inner_reference): If there is an offset, add a negative
2837         bit position to it (if any).
2838
2839 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2840
2841         PR rtl-optimization/52060
2842         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2843         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2844         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2845         and/or i0src_copy2 when needed.
2846
2847 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2848
2849         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2850         or LTOPLUGINSONAME if have_c.
2851
2852         * config/freebsd-spec.h: Add comment about what macros can be defined
2853         in this header.
2854         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2855         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2856         here instead.
2857
2858 2012-02-07  Richard Guenther  <rguenther@suse.de>
2859
2860         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2861         newline in -alias dumps.
2862
2863 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2864             Dave Korn  <dave.korn.cygwin@gmail.com>
2865
2866         PR target/40068
2867         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2868         Take care that typinfo gets dllexport-attribute.
2869
2870 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2871
2872         PR middle-end/52074
2873         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2874         if modifier < EXPAND_SUM call force_operand on the result.
2875
2876 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2877
2878         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2879         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2880         present.
2881         (epiphany_function_type): Replace types for specific interrupts with
2882         EPIPHANY_FUNCTION_INTERRUPT.
2883         (EPIPHANY_INTERRUPT_P): Update.
2884         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2885         New static function.
2886         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2887         <disinterrupt>: Affects type identity.
2888         (epiphany_handle_interrupt_attribute): Handle variable number of
2889         arguments.
2890         (epiphany_compute_function_type): Update for new
2891         epiphany_function_type definition.
2892         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2893         handlers with a longcall forwarder.
2894         (epiphany_start_function): Handle multiple interrupt arguments and/or
2895         forwarder_section attribute.
2896
2897         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2898         libgloss.
2899
2900 2012-02-07  Alan Modra  <amodra@gmail.com>
2901
2902         PR target/52107
2903         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2904         subregs of TFmode.
2905
2906 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2907
2908         PR tree-optimization/50969
2909         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2910         use vec_perm rather than vector_stmt.
2911         (vect_model_load_cost): Likewise.
2912         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2913         vec_perm to be the same as other vector statements.
2914         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2915         cost of vec_perm for TARGET_VSX.
2916
2917 2012-02-06  Richard Guenther  <rguenther@suse.de>
2918
2919         PR tree-optimization/52115
2920         * tree-sra.c (access_has_replacements_p): New function.
2921         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2922
2923 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2924
2925         PR middle-end/52047
2926         * trans-mem.c (expand_call_tm): Add an assertion.
2927         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2928         functions.
2929
2930 2012-02-06  Richard Guenther  <rguenther@suse.de>
2931
2932         PR tree-optimization/50955
2933         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2934         raise cost of expressions that replace an address with an
2935         expression based on a different pointer.
2936
2937 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2938
2939         PR target/52129
2940         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2941         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2942
2943 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2944
2945         PR c++/48680
2946         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2947         -Weffc++ and specify guidelines come from second edition.
2948
2949 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2950
2951         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2952         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2953         (call_direct_split, call_value_split, call_value_internal_direct)
2954         (call_value_direct_split, call_value_multiple_split): Use jal and
2955         jal_macro attributes.
2956
2957 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2958
2959         * reload1.c (reload_regs_reach_end_p): Replace with...
2960         (reload_reg_rtx_reaches_end_p): ...this function.
2961         (new_spill_reg_store): Update commentary.
2962         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2963         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2964         before setting new_spill_reg_store.
2965         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2966         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2967         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2968         for non-spill reload registers.
2969
2970 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2971
2972         PR tree-optimization/52091
2973         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2974         (vect_is_simple_use_1): Likewise.
2975         * tree-vect-loop.c (vectorizable_reduction): Update calls
2976         to vect_is_simple_use_1 and vect_is_simple_use.
2977         (vectorizable_live_operation): Likewise.
2978         * tree-vect-patterns.c (widened_name_p,
2979         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2980         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2981         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2982         vectorizable_shift,vectorizable_operation, vectorizable_store,
2983         vectorizable_load): Likewise.
2984         (vect_is_simple_cond): Add an argument, pass it to
2985         vect_is_simple_use_1.
2986         (vectorizable_condition): Update calls to vect_is_simple_cond,
2987         vect_is_simple_use.
2988         (vect_is_simple_use): Add an argument, the statement in which
2989         OPERAND is used.  Check that if OPERAND's def stmt is a double
2990         reduction phi node, the use is a phi node too.
2991         (vect_is_simple_use_1): Add an argument, pass it to
2992         vect_is_simple_use.
2993         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2994         to vect_is_simple_use.
2995
2996 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2997
2998         PR rtl-optimization/52095
2999         * modulo-sched.c (dump_insn_locator): New function.
3000         (loop_canon_p, sms_schedule): Use it.
3001
3002         PR rtl-optimization/52113
3003         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3004         even for decomposable shift/zext insns.
3005
3006 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3007             Zdenek Dvorak  <ook@ucw.cz>
3008
3009         PR rtl-optimization/52092
3010         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3011         on get_iv_value result.
3012
3013 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3014
3015         PR middle-end/47982
3016         PR middle-end/43967
3017         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3018
3019 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3020
3021         PR middle-end/48071
3022         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3023
3024 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3025
3026         PR rtl-optimization/49800
3027         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3028         (sched_finish): Call regstat_free_n_sets_and_refs.
3029
3030 2012-02-02  Jia Liu  <proljc@gmail.com>
3031
3032         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3033         than operand 2.
3034
3035 2012-02-02  Jan Hubicka  <jh@suse.cz>
3036             Tom de Vries  <tom@codesourcery.com>
3037
3038         PR middle-end/51998
3039         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3040         * varpool.c (varpool_analyze_pending_decls): Likewise.
3041
3042 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3043             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3044
3045         * config.gcc: Add cr16-* support.
3046
3047         * doc/extend.texi: Document cr16 extensions.
3048         * doc/install.texi: Document cr16 install.
3049         * doc/invoke.texi: Document cr16 options.
3050         * doc/md.texi: Document cr16 constraints.
3051
3052         * common/config/cr16/cr16-common.c: New file.
3053         * config/cr16/cr16.c: New file.
3054         * config/cr16/cr16.h: New file.
3055         * config/cr16/cr16.md: New file.
3056         * config/cr16/cr16.opt: New file.
3057         * config/cr16/cr16-protos.h: New file.
3058         * config/cr16/predicates.md: New file.
3059         * config/cr16/constraints.md: New file.
3060         * config/cr16/t-cr16: New file.
3061
3062 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR target/52086
3065         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3066         that operands[2] is either immediate, or q_regs_operand.
3067
3068         PR tree-optimization/52073
3069         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3070         a pattern stmt for pattern uses, ignore uses outside of the loop.
3071
3072 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3073
3074         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3075         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3076         (OUT_AS1, OUT_AS2): Remove.
3077
3078 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3079
3080         PR rtl-optimization/51374
3081         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3082         to cross other volatile_refs_p insns.
3083
3084 2012-02-01  Richard Guenther  <rguenther@suse.de>
3085
3086         * doc/invoke.texi (fno-inline): Clarify documentation.
3087         (finline-small-functions): Likewise.
3088         (finline-functions): Likewise.
3089         * common.opt (finline): Adjust comment and documentation.
3090         (finline-small-functions): Clarify documentation.
3091         (finline-functions): Likewise.
3092         (finline-functions-called-once): Likewise.
3093
3094 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3095
3096         * c-typeck.c (composite_type): Keep mode for pointers.
3097
3098 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3099
3100         * function.h (regno_reg_rtx): Adjust comment.
3101         * reginfo.c (init_reg_modes_target): Only use the previous mode
3102         if it fits within one register.  Remove MIPS comment.
3103
3104 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3105
3106         PR bootstrap/52058
3107         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3108
3109 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3110
3111         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3112         to srak instruction.
3113
3114 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3115
3116         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3117
3118 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3119
3120         PR bootstrap/52041
3121         PR bootstrap/52039
3122         PR target/51974
3123         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3124
3125 2012-01-31  Richard Guenther  <rguenther@suse.de>
3126
3127         PR tree-optimization/51528
3128         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3129         assigns.
3130
3131 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3132
3133         PR bootstrap/52041
3134         PR bootstrap/52039
3135         PR target/51974
3136         * ree.c (add_removable_extension): Change def_map argument
3137         to unsigned *, store in def_map 1 + offset into *insn_list vector
3138         instead of pointers into the vector.
3139         (find_removable_extensions): Adjust caller.
3140
3141 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3142
3143         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3144         Transform all "* quoted-c-code" to { c-code }.
3145         Remove redundant test for "optimize" in combine patterns.
3146         Move (include "avr-dimode.md") to end of file.
3147
3148 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3149
3150         PR target/51835
3151         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3152         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3153
3154 2012-01-30  Richard Guenther  <rguenther@suse.de>
3155
3156         PR tree-optimization/52028
3157         * tree-loop-distribution.c (ldist_gen): Properly update
3158         virtual SSA form.
3159
3160 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3161
3162         PR debug/52027
3163         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3164         set_cur_line_info_table if not emitting debug info.
3165
3166         PR tree-optimization/52046
3167         * tree-vect-patterns.c (check_bool_pattern): Give up if
3168         a comparison could throw.
3169
3170         PR debug/52048
3171         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3172
3173 2012-01-30  Richard Guenther  <rguenther@suse.de>
3174
3175         PR tree-optimization/52045
3176         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3177         SSA form if cfgcleanup did anything.
3178
3179 2012-01-30  Richard Guenther  <rguenther@suse.de>
3180
3181         PR tree-optimization/52045
3182         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3183         before computing final todo.
3184
3185 2012-01-30  Richard Guenther  <rguenther@suse.de>
3186
3187         PR tree-optimization/51528
3188         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3189         for PR51528 fix.
3190
3191 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3192
3193         * df-problems.c (df_kill_notes): Check that the use refers
3194         to the note under examination.
3195
3196 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3197
3198         PR target/51920
3199         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3200         parameter and use short-lived pseudos.
3201         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3202         (sparc_expand_vector_init): Const-ify local variables and adjust
3203         calls to above functions.
3204
3205 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3206
3207         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3208
3209 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3210
3211         * doc/invoke.texi: Make usage of "compile time" and
3212         "run time"/"runtime" consistent throughout the file.
3213
3214 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3215
3216         * config/alpha/alpha.c (alpha_option_override): Default to
3217         full IEEE compliance mode for Go language.
3218
3219 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3220
3221         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3222         (LINK_SSP_SPEC): Define.
3223
3224 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3225
3226         PR target/51871
3227         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3228         stubs.
3229
3230 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3231
3232         * doc/invoke.texi: Correct hyphenation of "floating point",
3233         "double precision", and related terminology throughout the file.
3234
3235 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3236
3237         PR target/52006
3238         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3239         arm_general_register_operand predicate for operand 2 instead of
3240         register_operand.
3241
3242 2012-01-27  Ian Lance Taylor  <iant@google.com>
3243
3244         PR go/47656
3245         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3246         * builtins.c (expand_builtin_init_trampoline): Add onstack
3247         parameter.  Change caller.
3248         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3249         * tree.c (build_common_builtin_nodes): Declare
3250         __builtin_init_heap_trampoline.
3251
3252 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3253
3254         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3255         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3256         * config/avr/avr.c: Ditto.
3257         (avr_regnames): Remove because unused.
3258         * config/avr/avr.md (*cpse.ne): New peephole.
3259         (*cpse.eq): New peephole from former cpse peepholes.
3260
3261 2012-01-27  Michael Eager  <eager@eagercon.com>
3262
3263         * config/microblaze.c (microblaze_emit_compare): Correct
3264         test after pcmp instruction.
3265
3266 2012-01-27  Richard Guenther  <rguenther@suse.de>
3267
3268         PR tree-optimization/52020
3269         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3270
3271 2012-01-27  Richard Guenther  <rguenther@suse.de>
3272
3273         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3274         function non-const/pure.
3275
3276 2012-01-27  Richard Guenther  <rguenther@suse.de>
3277
3278         PR tree-optimization/50444
3279         * tree-sra.c (build_ref_for_offset): Properly adjust the
3280         MEM_REF type for unaligned accesses.
3281
3282 2012-01-27  Richard Guenther  <rguenther@suse.de>
3283
3284         PR tree-optimization/50444
3285         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3286         (expand_assignment): Use it.  Properly handle misaligned
3287         bases when expanding stores to component references.
3288         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3289         refactor that case.
3290
3291 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3292
3293         PR middle-end/51389
3294         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3295         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3296         * tree-data-ref.c (find_data_references_in_loop): Make static.
3297         (compute_all_dependences): Change return type to bool.  Bail out
3298         for too many datarefs in a loop.  Move the hunk resetting the data
3299         dependences vector from ...
3300         (compute_data_dependences_for_loop): ... here.  Account for
3301         compute_all_dependences returning false.
3302         (compute_data_dependences_for_bb): Likewise.
3303         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3304         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3305
3306 2012-01-27  Richard Guenther  <rguenther@suse.de>
3307
3308         PR middle-end/51959
3309         * expr.c (store_field): Use the alias-set of the scratch memory
3310         for storing to it.
3311
3312 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3313
3314         PR tree-optimization/51990
3315         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3316         WITH_SIZE_EXPR.
3317         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3318
3319 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3320
3321         PR debug/52001
3322         * var-tracking.c (reverse_op): Don't add any reverse operation
3323         if V already has any constant locations.
3324
3325 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3326
3327         * doc/invoke.texi: Correct usage of "command line" (noun)
3328         vs "command-line" (adjective) throughout.
3329
3330 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3331
3332         * doc/invoke.texi (Language Independent Options): Move
3333         -Wcoverage-mismatch blurb from here....
3334         (Warning Options): ...to here.
3335
3336 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3337
3338         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3339         Set rs6000_always_hint to false for 476.
3340
3341 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3342
3343         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3344           system root.
3345         * incpath.c (add_standard_paths): Likewise.
3346
3347 2012-01-27  Richard Henderson  <rth@redhat.com>
3348
3349         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3350         * config/m68k/sync.md (atomic_test_and_set): Rename from
3351         sync_test_and_setqi and adjust the operands.
3352         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3353         and unconditionally enable.
3354
3355 2012-01-27  Richard Henderson  <rth@redhat.com>
3356
3357         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3358         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3359         (ldstub): Rename from ldstubqi.
3360         (ldstub<I24MODE>): Remove.
3361
3362 2012-01-27  Richard Henderson  <rth@redhat.com>
3363
3364         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3365         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3366         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3367         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3368         * doc/tm.texi: Rebuild.
3369
3370 2012-01-27  Richard Henderson  <rth@redhat.com>
3371
3372         * optabs.c (gen_atomic_test_and_set): Remove default.
3373         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3374
3375 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3376
3377         PR rtl-optimization/51978
3378         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3379         (combine_reaching_defs): Likewise.
3380         (struct re_info): Remove.
3381         (add_removable_extension): Remove x and data arguments,
3382         add insn, insn_list and def_map.  Use the arguments directly
3383         instead of using struct re_info.
3384         (find_removable_extensions): Don't call add_removable_extension
3385         through note_stores, instead just call it with single_set
3386         result if non-NULL.
3387         (find_and_remove_re): Pass curr_cand->expr instead of
3388         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3389
3390 2012-01-26  Michael Matz  <matz@suse.de>
3391
3392         PR tree-optimization/46590
3393         * cfgexpand.c: Revert last change (r183305).
3394         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3395         regs.
3396         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3397         checking for emptiness.
3398
3399 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3400
3401         PR middle-end/51895
3402         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3403         non-addressable non-BLKmode base correctly.
3404
3405 2012-01-26  Michael Matz  <matz@suse.de>
3406
3407         PR tree-optimization/48794
3408         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3409         regions referenced from RESX/EH_DISPATCH.
3410
3411 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3412
3413         * config/s390/s390.h: Make BRANCH_COST an option.
3414         * config/s390/s390.opt: New option -mbranch-cost.
3415
3416 2012-01-26  Richard Henderson  <rth@redhat.com>
3417
3418         Revert 2012-01-24 change:
3419         * trans-mem.c (requires_barrier): Do not instrument thread local
3420         variables and emit save/restore for them.
3421
3422 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3423
3424         PR middle-end/51986
3425         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3426         for pat == 0.
3427
3428 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3429
3430         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3431         ASM_OPERANDS.
3432
3433 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3434
3435         PR target/49868
3436         Rename __pgm to __flash.
3437         Rename __pgm1 to __flash1.
3438         Rename __pgm2 to __flash2.
3439         Rename __pgm3 to __flash3.
3440         Rename __pgm4 to __flash4.
3441         Rename __pgm5 to __flash5.
3442         Rename __pgmx to __memx.
3443         * doc/extend.texi (AVR Named Address Spaces)
3444         Rename address space names as indicated above.
3445         * config/avr/avr.c (avr_addrspace): Ditto.
3446
3447         * config/avr/avr-protos.h
3448         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3449         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3450         * config/avr/predicates.md: Ditto.
3451         * config/avr/avr.c Ditto, and
3452         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3453         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3454
3455         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3456         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3457         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3458         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3459         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3460         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3461         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3462         * config/avr/avr.c: Ditto.
3463         * config/avr/avr.md: Ditto.
3464
3465 2012-01-25  Jason Merrill  <jason@redhat.com>
3466
3467         PR c++/51992
3468         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3469
3470 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3471
3472         PR tree-optimization/51987
3473         * tree-data-ref.c (get_references_in_stmt): Handle references in
3474         non-volatile GIMPLE_ASM.
3475
3476 2012-01-25  Richard Guenther  <rguenther@suse.de>
3477
3478         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3479         bases are dereferenced.
3480
3481 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3482
3483         PR rtl-optimization/48374
3484         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3485
3486 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3487
3488         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3489         compute_data_dependences_for_loop returns false.
3490         * tree-parloops.c (loop_parallel_p): Likewise.
3491
3492 2012-01-25  Richard Guenther  <rguenther@suse.de>
3493
3494         * tree.h (get_pointer_alignment_1): Declare.
3495         * builtins.c (get_pointer_alignment_1): New function.
3496         (get_pointer_alignment): Use it.
3497
3498 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3499
3500         PR rtl-optimization/48308
3501         * combine.c (enum undo_kind): Add UNDO_LINKS.
3502         (struct undo): Add member l to other_contents and where.
3503         (do_SUBST_LINK): New.
3504         (SUBST_LINK): New.
3505         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3506         (undo_all): Handle UNDO_LINKS.
3507
3508 2012-01-25  Richard Henderson  <rth@redhat.com>
3509
3510         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3511         mem inputs.
3512
3513 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3514
3515         * optabs.c (gen_atomic_test_and_set): Use each argument.
3516
3517 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3518
3519         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3520         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3521         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3522         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3523         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3524         TARGET_PAIRED_SINGLE_FLOAT.
3525
3526 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3527
3528         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3529         (in_struct, return_val): Remove MEM documentation.
3530         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3531         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3532         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3533         and MEM_SCALAR.
3534         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3535         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3536         * expr.c (store_field): Likewise.
3537         * function.c (assign_stack_temp_for_type): Likewise.
3538         * ifcvt.c (noce_try_cmove_arith): Likewise.
3539         * reload1.c (reload): Likewise.
3540         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3541         (alpha_set_memflags): Likewise.
3542         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3543
3544 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3545
3546         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3547         parameter.
3548         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3549         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3550         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3551         varies parameter.
3552         * cselib.c (cselib_rtx_varies_p): Delete.
3553         (cselib_invalidate_mem): Update call to canon_true_dependence.
3554         * dse.c (record_store, check_mem_read_rtx): Likewise.
3555         (scan_reads_nospill): Likewise.
3556         * cse.c (check_dependence): Likewise.
3557         (cse_rtx_varies_p): Delete.
3558         * expr.c (safe_from_p): Update call to true_dependence.
3559         * ira.c (validate_equiv_mem_from_store): Likewise.
3560         (memref_referenced_p): Likewise.
3561         * postreload-gcse.c (find_mem_conflicts): Likewise.
3562         * sched-deps.c (sched_analyze_2): Likewise.
3563         * store-motion.c (load_kills_store): Likewise.
3564         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3565         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3566         (compute_transp): Update call to canon_true_dependence.
3567
3568 2012-01-25  Richard Henderson  <rth@redhat.com>
3569
3570         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3571         (maybe_emit_atomic_test_and_set): New.
3572         (expand_sync_lock_test_and_set): Use it.
3573         (expand_atomic_test_and_set): Likewise.
3574         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3575         the implementation; clarify implementation defined details.
3576         * doc/md.texi (atomic_test_and_set): Document.
3577
3578 2012-01-25  Richard Henderson  <rth@redhat.com>
3579
3580         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3581
3582 2012-01-25  Richard Henderson  <rth@redhat.com>
3583
3584         PR target/51968
3585         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3586         to effect no-op split.
3587
3588 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3589
3590         PR lto/51698
3591         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3592         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3593         (BT_FN_VOID_PTR_INT_SIZE): New.
3594         (BT_FN_UINT_UINT_VAR): Remove.
3595         (BT_FN_UINT32_UINT32_VAR): New.
3596         (BT_FN_DOUBLE_VPTR): Remove.
3597         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3598
3599         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3600         (_ITM_changeTransactionMode): Same.
3601         (_ITM_memmoveRtWt): Change return type to void.
3602         (_ITM_memcpyRtWt): Same.
3603         (_ITM_memsetW): Same.
3604         (_ITM_RaRD): Change types to double.
3605         (_ITM_RD): Same.
3606         (_ITM_RaWD): Same.
3607         (_ITM_RfWD): Same.
3608
3609         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3610
3611 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3612             Patrick Marlier  <patrick.marlier@gmail.com>
3613
3614         * trans-mem.c (requires_barrier): Do not instrument thread local
3615         variables and emit save/restore for them.
3616
3617 2012-01-24  Jason Merrill  <jason@redhat.com>
3618
3619         PR c++/51812
3620         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3621         output static aliases.
3622
3623 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3624
3625         PR driver/47249
3626         * common.opt (-pie, -shared, pie, shared): Change from Common to
3627         Driver.
3628         * gcc.c (display_help): Display help for -pie and -shared.
3629
3630 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3631
3632         PR target/49868
3633         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3634         Remove note on size/offset limitation.
3635         (AVR Variable Attributes): Add example how to read data located
3636         with progmem.  Refer to named address spaces.
3637         * doc/invoke.texi (AVR Options): Fix typo.
3638
3639 2012-01-24  Richard Guenther  <rguenther@suse.de>
3640
3641         Forward-port to trunk
3642         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3643
3644         PR middle-end/45678
3645         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3646         op0 isn't sufficiently aligned and there is movmisalignM
3647         insn for mode, use it to load op0 into a temporary register.
3648
3649 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3650
3651         PR target/51957
3652         * target.def (const_not_ok_for_debug_p): New hook.
3653         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3654         documentation.
3655         * doc/tm.texi: Regenerated.
3656         * dwarf2out.c (const_ok_for_output_1): If
3657         targetm.const_not_ok_for_debug_p returns true, fail.
3658         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3659         function.
3660         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3661
3662 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3663
3664         PR target/51900
3665         * config/i386/predicates.md (symbolic_operand): Allow
3666         UNSPEC_PCREL as PIC expression for lea.
3667         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3668         * config/i386/i386.c (ix86_delegitimize_address): Handle
3669         UNSPEC_PCREL for none-MEM, too.
3670
3671 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3672
3673         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3674         (ipa_tm_create_version_alias): Same.
3675
3676 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3677
3678         PR libitm/51830
3679         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3680         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3681
3682 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3683             Patrick Marlier  <patrick.marlier@gmail.com>
3684             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3685
3686         PR lto/51916
3687         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3688         simple_object_start_read.
3689
3690 2012-01-23  Richard Guenther  <rguenther@suse.de>
3691
3692
3693         PR tree-optimization/51895
3694         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3695         parameter decomposition into BLKmode components.
3696
3697 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3698
3699         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3700         fake variables for restrict-qualified pointers whose pointed-to type
3701         contains a placeholder.
3702
3703 2012-01-23  Richard Guenther  <rguenther@suse.de>
3704
3705         PR tree-optimization/51949
3706         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3707
3708 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3709
3710         PR rtl-optimization/51933
3711         * ree.c (transform_ifelse): Return true right away if dstreg is
3712         already wider or equal to cand->mode.
3713         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3714         (make_defs_and_copies_lists): Remove defs_list and copies_list
3715         arguments, add state argument, just truncate state->work_list
3716         instead of always allocating and freeing the vector.  Assert that
3717         get_defs succeeds instead of returning 2.  Changed return type to bool.
3718         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3719         have ext_src_mode, see if it has been modified already with the
3720         right kind of extension and has been extended before from the
3721         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3722         just return true.  Remember the original mode in state->modified array.
3723         (combine_reaching_defs): Add state argument.  Don't allocate and
3724         free here def_list, copied_list and vec vectors, instead just
3725         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3726         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3727         Add state variable, clear vectors in it, initialize state.modified
3728         if needed.  Free all the vectors at the end and state.modified too.
3729         Don't skip a candidate if the extension expression has been modified.
3730
3731 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3732
3733         PR target/47096
3734         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3735          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3736         (extra_options) interix.opt -> i386/interix.opt"
3737         (extra_objs):Add winnt-stubs.o
3738         * configure.ac: Add interix to target_os .comm on PE check.
3739         * configure: Regenerate.
3740         * config/interix3.h: Delete and move bits to..
3741         * config/interix.h: Delete and move bits to..
3742         * config/i386/i386-interix3.h: Delete and move bits to..
3743         * config/i386/i386-interix.h: ..here.
3744         (TARGET_CPU_DEFAULT): Remove redefinition.
3745         (TARGET_ASM_CONSTRUCTOR): Undefine.
3746         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3747         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3748         (PTRDIFF_TYPE): Define.
3749         (LONG_DOUBLE_TYPE_SIZE): Define.
3750         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3751         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3752         (TARGET_SECTION_TYPE_FLAGS): Define.
3753         (ASM_DECLARE_FUNCTION_NAME): Define.
3754         (ASM_OUTPUT_EXTERNAL): Define.
3755         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3756         (ASM_OUTPUT_ALIGNED_BSS): Define.
3757         (PCC_BITFIELD_TYPE_MATTERS): Define.
3758         (USE_CONST_SECTION): Define.
3759         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3760         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3761         (SUPPORTS_ONE_ONLY): Remove.
3762         (I386_PE_STRIP_ENCODING): Define.
3763         * config/interix.opt: Delete and move bits to..
3764         * config/i386/interix.opt: ..here. New.
3765         (mpe-aligned-commons): Add.
3766         * config/i386/t-interix: Add copyright header.
3767         (winnt-stubs.o): Add rule.
3768
3769 2012-01-22  Jason Merrill  <jason@redhat.com>
3770
3771         PR c++/51832
3772         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3773         for extra name aliases.
3774
3775 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3776
3777         PR rtl-optimization/51924
3778         * ree.c (combine_set_extension): Improve debugging message.
3779         (combine_reaching_defs): Likewise.
3780         (get_defs): Rename confusingly named variable.
3781         (find_and_remove_re): Skip a candidate if the extension expression has
3782         been modified.
3783
3784 2012-01-21  Robert Millan  <rmh@gnu.org>
3785             Gerald Pfeifer  <gerald@pfeifer.com>
3786
3787         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3788         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3789
3790 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3791
3792         PR tree-optimization/51914
3793         * tree-vect-stmts.c (vectorizable_conversion): For
3794         cvt_type && modifier == WIDEN, put temporary with cvt_type
3795         at the beginning of vec_dsts and set vec_dest to temporary
3796         with vectype_out.
3797
3798 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3799
3800         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3801
3802 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3803
3804         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3805         * config/rs6000/rs6000.c: Likewise.
3806
3807 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3808
3809         PR target/51915
3810         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3811         output_move_double on a copy of operands array.
3812
3813 2012-01-20  Cary Coutant  <ccoutant@google.com>
3814             Dodji Seketeli  <dodji@redhat.com>
3815
3816         PR debug/45682
3817         * dwarf2out.c (copy_declaration_context): Return ref to parent
3818         of declaration DIE, if necessary.
3819         (remove_child_or_replace_with_skeleton): Add new parameter; update
3820         caller.  Place skeleton DIE under parent DIE of original declaration.
3821         Move call to copy_declaration_context to here ...
3822         (break_out_comdat_types): ... from here.
3823
3824 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3825
3826         PR rtl-optimization/51856
3827         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3828         flag to reloaded.
3829
3830 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3831
3832         PR target/51819
3833         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3834         hints for neon loads and stores.
3835
3836 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3837
3838         PR target/49868
3839         PR target/50887
3840         * doc/extend.texi (Named Address Spaces): Split into subsections.
3841         (AVR Named Address Spaces): New subsection.
3842         (M32C Named Address Spaces): New subsection.
3843         (RL78 Named Address Spaces): New subsection.
3844         (SPU Named Address Spaces): New subsection.
3845         (Variable Attributes): New anchor "AVR Variable Attributes".
3846         (AVR Variable Attributes): Rewrite and avoid wording
3847         "address space" in this context.
3848         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3849         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3850         (AVR Built-in Macros): New subsubsection therein.
3851         * doc/md.texi (AVR constraints): Remove "C04", "R".
3852
3853 2012-01-20  Richard Guenther  <rguenther@suse.de>
3854
3855         PR tree-optimization/51903
3856         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3857         when removing stmts.
3858
3859 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3860
3861         PR target/50313
3862         * config/arm/arm.c (arm_load_pic_register): Use
3863         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3864         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3865         (arm_pic_static_addr): Likewise.
3866         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3867         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3868         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3869         (pic_load_addr_unified): New.
3870
3871 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3872
3873         PR target/51106
3874         * function.c (instantiate_virtual_regs_in_insn): Use
3875         delete_insn_and_edges when removing a wrong asm insn.
3876
3877 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3878
3879         PR rtl-optimization/40761
3880         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3881         Add new member loop_num.
3882         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3883         (ira_build): Remove the parameter.
3884
3885         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3886         (ira.c): Do not build CFG loops for one region allocation.  Remove
3887         argument from ira_build call.
3888
3889         * ira-build.c (init_loop_tree_node): New function.
3890         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3891         loops are not built.
3892         (more_one_region_p): Check current_loops.
3893         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3894         built.
3895         (add_loop_to_tree): Process loop equal to NULL too.
3896         (form_loop_tree): Separate the case when CFG loops are not built.
3897         Use explicitly number for the root.
3898         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3899         an assertion.
3900         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3901         instead of loop->num.
3902         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3903         (mark_all_loops_for_removal): Ditto.
3904         (remove_unnecessary_regions): Separate the case when CFG loops
3905         are not built.
3906         (ira_build): Remove the parameter.  Use explicit number of regions
3907         when CFG loops are not built.
3908
3909         * ira-color.c (print_loop_title): Separate the case for the root node.
3910         Use loop_num instead of loop->num.
3911         (move_spill_restore): Use loop_num instead of loop->num.
3912
3913         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3914         (change_loop): Ditto.
3915         (change_loop): Use loop_num instead of loop->num.
3916
3917         * ira-lives.c (process_bb_node_lives): Ditto.
3918
3919         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3920
3921         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3922
3923 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3924
3925         PR libmudflap/40778
3926         * tree-mudflap.c (mf_artificial): New function.
3927         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3928         mx_register_decls, mudflap_enqueue_decl): Use it.
3929
3930         PR target/51876
3931         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3932         numbers in the insn pattern.
3933
3934 2012-01-19  Michael Matz  <matz@suse.de>
3935
3936         PR tree-optimization/46590
3937         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3938         use it in remembering which conflicts we already created.
3939         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3940         bitmap.
3941
3942 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3943
3944         PR lto/51280
3945         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3946         (merge_and_complain): Same.
3947
3948 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3949
3950         PR bootstrap/50237
3951         * config/initfini-array.h: Guard content of the header
3952         with #ifdef HAVE_INITFINI_ARRAY.
3953         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3954         Add initfini-array.h to tm_file here.
3955         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3956         * config.gcc: Don't add initfini-array.h to tm_file here.
3957         * configure: Regenerated.
3958
3959 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3960
3961         PR rtl-optimization/51505
3962         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3963         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3964         (df_note_bb_compute): Update the call to df_kill_notes.
3965
3966 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3967
3968         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3969
3970 2012-01-18  Richard Guenther  <rguenther@suse.de>
3971
3972         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3973         of conversions to void *.
3974
3975 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3976             Richard Sandiford  <rdsandiford@googlemail.com>
3977
3978         PR middle-end/50325
3979         PR middle-end/51192
3980         * optabs.h (simplify_expand_binop): Declare.
3981         * optabs.c (simplify_expand_binop): Make global.
3982         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3983         endian targets if the source cannot be exactly covered by word
3984         mode chunks.
3985
3986 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3987
3988         PR bootstrap/51872
3989         * hard-reg-set.h (struct hard_reg_set_container): New type.
3990         * target.h (struct hard_reg_set_container): Forward declare.
3991         * target.def (set_up_by_prologue): New target hook.
3992         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3993         * doc/tm.texi: Regenerated.
3994         * function.c (thread_prologue_and_epilogue_insns): Change
3995         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3996         Call targetm.set_up_by_prologue on it.
3997         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3998         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3999
4000 2012-01-17  Nick Clifton  <nickc@redhat.com>
4001
4002         * config/rx/rx.c (rx_can_use_simple_return): New function.
4003         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4004         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4005
4006 2012-01-17  Richard Guenther  <rguenther@suse.de>
4007
4008         PR middle-end/51782
4009         * expr.c (expand_assignment): Take address-space information
4010         from the address operand of MEM_REF and TARGET_MEM_REF.
4011         (expand_expr_real_1): Likewise.
4012
4013 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4014
4015         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4016         reload dump is requested.
4017
4018 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
4019
4020         PR other/51165
4021         * trans-mem.c (requires_barrier): Call may_be_aliased.
4022
4023 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4024
4025         PR tree-optimization/51877
4026         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4027         call arguments and fndecls compare equal, instead return false if they
4028         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
4029         both SSA_NAMEs that are valueized the same, or they satisfy
4030         operand_equal_p.
4031
4032 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4033
4034         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4035         Solaris 11+.
4036         * configure: Regenerate.
4037
4038 2012-01-16  Jan Hubicka  <jh@suse.cz>
4039
4040         PR c/12245
4041         PR c++/14179
4042         * convert.c (convert_to_integer): Use fold_convert for
4043         converting an INTEGER_CST to integer type.
4044
4045 2012-01-16  Jason Merrill  <jason@redhat.com>
4046
4047         PR c++/14179
4048         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4049
4050 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
4051
4052         PR bootstrap/51860
4053         * config/s390/s390.c (s390_chunkify_start): Don't skip
4054         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
4055         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4056         If insn is followed by NOTE_INSN_VAR_LOCATION or
4057         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4058         Don't use location of note insns.
4059
4060         PR tree-optimization/51865
4061         * tree-inline.c (tree_function_versioning): Call remap_decl
4062         on DECL_RESULT whenever it has VOID_TYPE_P type.
4063
4064 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4065
4066         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4067         for calls to locally-binding MIPS16 functions if only the return
4068         type uses float regs.
4069
4070 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
4071             Richard Sandiford  <rdsandiford@googlemail.com>
4072
4073         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4074         (SYMBOL_32_HIGH): Likewise.
4075         (mips_output_tls_reloc_directive): Declare.
4076         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4077         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4078         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4079         (mips_lo_relocs, mips_hi_relocs): Make extern.
4080         (mips16_stub_function): Move up file.
4081         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4082         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
4083         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
4084         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4085         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
4086         (mips_get_tp): Add MIPS16 support.
4087         (mips_legitimize_tls_address): Remove MIPS16 sorry().
4088         Generalize DTPREL and TPREL handling.
4089         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4090         Add MIPS16 TLS support.
4091         (mips_output_tls_reloc_directive): New function.
4092         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4093         * config/mips/predicates.md (symbolic_operand_with_high)
4094         (tls_reloc_operand): New predicates.
4095         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4096         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4097         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4098         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4099         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4100         (*tls_get_tp_mips16_call_<mode>): Likewise.
4101
4102 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4103
4104         PR rtl-optimization/51821
4105         * recog.c (peep2_find_free_register): Determine clobbered registers
4106         from insn pattern.
4107
4108 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4109
4110         PR target/50925
4111         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4112         * config/avr/avr.c: Likewise.
4113         * config/avr/avr.h: Likewise.
4114
4115 2012-01-13  Ian Lance Taylor  <iant@google.com>
4116
4117         PR c++/50012
4118         * tree.h (TYPE_QUALS): Add cast to int.
4119         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4120
4121 2012-01-13  Ian Lance Taylor  <iant@google.com>
4122
4123         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4124         comparing param_index to VEC_length result.
4125
4126 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4127
4128         * c-decl.c: Do not include tree-mudflap.h
4129         * tree-optimize.c: Likewise.
4130         * Makefile.in: Update dependencies.
4131
4132 2012-01-13  Richard Guenther  <rguenther@suse.de>
4133
4134         PR middle-end/8081
4135         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4136         variable-sized result always use RSO.
4137
4138 2012-01-12  DJ Delorie  <dj@redhat.com>
4139
4140         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4141         pointer type, not just the default pointer type.
4142
4143 2012-01-09  Richard Henderson  <rth@redhat.com>
4144             Denis Chertykov  <chertykov@gmail.com>
4145
4146         PR target/50925
4147         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4148         * config/avr/avr.c (avr_can_eliminate): Simplify.
4149         (avr_initial_elimination_offset): Likewise.
4150         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4151         (expand_epilogue): Likewise.
4152         (avr_legitimize_address): Gut.
4153         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4154         (avr_hard_regno_nregs): New.
4155         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4156         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4157         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4158         add soft frame pointer.
4159         (CALL_USED_REGISTERS): Likewise.
4160         (REG_CLASS_CONTENTS): Likewise.
4161         (REGISTER_NAMES): Likewise.
4162         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4163         (HARD_FRAME_POINTER_REGNUM): New.
4164         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4165         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4166         remove the HARD_FRAME_POINTER self-elimination.
4167
4168 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4169
4170         PR target/51756
4171         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4172         DECL_EXTERNAL when checking for initializers of progmem variables.
4173
4174 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4175
4176         PR tree-optimization/51799
4177         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4178         that the last operation is a type demotion.
4179
4180 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4181
4182         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4183         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4184
4185 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4186
4187         PR bootstrap/51796
4188         * combine.c (distribute_notes): If i3 is a noreturn call,
4189         allow old_size to be equal to args_size and make sure the
4190         noreturn call gets REG_ARGS_SIZE note.
4191         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4192         on noreturn calls even when the delta is 0.
4193
4194 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4195
4196         * gcov.c (STRING_SIZE): Remove.
4197         (generate_results): Erase annotations for source files with no
4198         coverage information.
4199         (read_line): New.
4200         (output_lines): Use it.
4201
4202 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4203
4204         * gimple.h (gimplify_body): Remove first argument.
4205         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
4206         pointer set here, instead just pass DATA to walk_tree.
4207         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
4208         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4209         (unvisit_body): Likewise, but with unmark_visited.
4210         (gimplify_body): Remove BODY_P argument and adjust.
4211         (gimplify_function_tree): Adjust call to gimplify_body.
4212         * omp-low.c (finalize_task_copyfn): Likewise.
4213
4214 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4215
4216         * tree.h (build_function_decl_skip_args): Add boolean parameter.
4217         (build_function_type_skip_args): Delete.
4218         * tree.c (build_function_type_skip_args): Make static and add
4219         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
4220         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4221         pass it to build_function_type_skip_args.
4222         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4223         (tree_function_versioning): Likewise.
4224         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4225         build_function_decl_skip_args.
4226         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4227         and pass it to build_function_decl_skip_args/tree_function_versioning.
4228         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4229         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4230         * trans-mem.c (ipa_tm_create_version): Likewise.
4231         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4232         * tree-inline.c (declare_return_variable): Remove always-true test.
4233         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
4234         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4235         * ipa-split.c (split_function): Skip the return value for the split
4236         part if it doesn't return.
4237
4238 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4239
4240         PR tree-optimization/49642
4241         * ipa-split.c (forbidden_dominators): New variable.
4242         (check_forbidden_calls): New function.
4243         (dominated_by_forbidden): Likewise.
4244         (consider_split): Check for forbidden dominators.
4245         (execute_split_functions): Initialize and free forbidden
4246         dominators info; call check_forbidden_calls.
4247
4248 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4249
4250         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4251
4252 2012-01-11  Nick Clifton  <nickc@redhat.com>
4253
4254         * config/rx/rx.md (return): Define pattern.
4255
4256 2012-01-11  Richard Guenther  <rguenther@suse.de>
4257
4258         * doc/extend.texi (malloc attribute): Adjust according to
4259         implementation.
4260
4261 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
4262             Patrick Marlier  <patrick.marlier@gmail.com>
4263
4264         PR middle-end/51516
4265         * trans-mem.c (get_cg_data): Traverse aliases if requested.
4266         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4267         (ipa_tm_note_irrevocable): Same.
4268         (ipa_tm_scan_irr_block): Same.
4269         (ipa_tm_decrement_clone_counts): Same.
4270         (ipa_tm_scan_irr_function): Same.
4271         (ipa_tm_create_version_alias): Same.
4272         (ipa_tm_create_version): Same.
4273         (ipa_tm_transform_calls_redirect): Same.
4274         (ipa_tm_transform_calls): Same.
4275         (ipa_tm_transform_transaction): Same.
4276         (ipa_tm_execute): Same.
4277
4278 2012-01-10  Richard Guenther  <rguenther@suse.de>
4279
4280         PR middle-end/51806
4281         * opts.c (common_handle_option): Handle -Werror.
4282
4283 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
4284
4285         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4286         operand number.
4287
4288 2012-01-10  Jason Merrill  <jason@redhat.com>
4289
4290         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4291         information.
4292
4293 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4294
4295         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4296         supports R_386_TLS_GD_PLT reloc.
4297         (gcc_cv_as_ix86_tlsldmplt): Check if linker
4298         supports R_386_TLS_LDM_PLT reloc.
4299         * configure: Regenerate.
4300         * config.in: Regenerate.
4301
4302 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
4303
4304         PR target/49868
4305         Extend __pgmx semantics to linearize memory.
4306         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4307         determine if code comes inline or from libgcc.
4308         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4309         (movmem_qi, movmem_qi): Set constraint #2 to "n".
4310         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4311         (movmemx_qi, movmemx_hi): New insns.
4312         (xload_<mode>_libgcc): Rewrite to new insn condition.
4313         (xload_<mode>): Remove insns.
4314         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4315         cases that don't satisfy avr_xload_libgcc_p().
4316         (avr_addr_space_convert): Allow converting in any direction.
4317         (avr_addr_space_subset_p): Return always true.
4318         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4319         (avr_emit_movmemhi): Ditto.
4320         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4321         (avr_out_movmem): Ditto.
4322         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4323         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4324         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4325         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4326         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4327
4328 2012-01-10  Richard Guenther  <rguenther@suse.de>
4329
4330         PR tree-optimization/50913
4331         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4332         Require data-refs to be representable by Graphite with respect
4333         to any loop nest.
4334
4335 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4336
4337         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4338         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4339
4340 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4341
4342         PR rtl-optimization/51271
4343         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4344         handling annulled branch.
4345
4346 2012-01-10  Richard Henderson  <rth@redhat.com>
4347
4348         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4349         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4350         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4351         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4352         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4353         arm_expand_vec_perm_const): New.
4354         * config/arm/arm-protos.h: Update.
4355         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4356         (*neon_vswp<VDQX>): New.
4357         (neon_vcombine<VDX>): Use neon_split_vcombine.
4358         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4359         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4360         (vec_perm<VE>): New.
4361
4362 2012-01-10  Richard Henderson  <rth@redhat.com>
4363
4364         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4365         use it if reload_completed.
4366         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4367         arm_output_asm_insn, arm_process_output_memory_barrier,
4368         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4369         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4370         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4371         arm_process_output_sync_insn, arm_output_sync_insn,
4372         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4373         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4374         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4375         (emit_unlikely_jump): New.
4376         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4377         (arm_split_atomic_op): New.
4378         * config/arm/arm-protos.h: Update.
4379         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4380         (struct arm_sync_generator): Remove.
4381         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4382         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4383         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4384         (VUNSPEC_LL, VUNSPEC_SC): New.
4385         (sync_result, sync_memory, sync_required_value, sync_new_value,
4386         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4387         (attr length): Don't use arm_sync_loop_insns.
4388         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4389         (movsfcc, movdfcc): Likewise.
4390         * config/arm/constraints.md (Ua): New.
4391         * config/arm/prediates.md (mem_noofs_operand): New.
4392         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4393         (sync_clobber, sync_t2_reqd): Remove.
4394         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4395         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4396         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4397         (arm_sync_compare_and_swap<SIDI>): Remove.
4398         (arm_sync_compare_and_swap<NARROW>): Remove.
4399         (arm_sync_lock_test_and_set<SIDI>): Remove.
4400         (arm_sync_lock_test_and_set<NARROW>): Remove.
4401         (arm_sync_new_<syncop><SIDI>): Remove.
4402         (arm_sync_new_<syncop><NARROW>): Remove.
4403         (arm_sync_new_nand<SIDI>): Remove.
4404         (arm_sync_new_nand<NARROW>): Remove.
4405         (arm_sync_old_<syncop><SIDI>): Remove.
4406         (arm_sync_old_<syncop><NARROW>): Remove.
4407         (arm_sync_old_nand<SIDI>): Remove.
4408         (arm_sync_old_nand<NARROW>): Remove.
4409         (*memory_barrier): Merge arm_output_memory_barrier.
4410         (atomic_compare_and_swap<QHSD>): New.
4411         (atomic_compare_and_swap<NARROW>_1): New.
4412         (atomic_compare_and_swap<SIDI>_1): New.
4413         (atomic_exchange<QHSD>): New.
4414         (cas_cmp_operand, cas_cmp_str): New.
4415         (atomic_op_operand, atomic_op_str): New.
4416         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4417         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4418         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4419         (arm_load_exclusive<NARROW>): New.
4420         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4421         (arm_store_exclusive<QHSD>): New.
4422
4423 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4424
4425         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4426         reload patterns if -mvsx-scalar-memory.
4427
4428         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4429         generated, even -mno-vsx-scalar-double was used.
4430         (vsx_xscvdpsp_scalar): Likewise.
4431         (vsx_xscvspdp_scalar2): Likewise.
4432
4433 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4434             Andrew Pinski  <apinski@cavium.com>
4435
4436         PR debug/51471
4437         * reorg.c (fill_slots_from_thread): Don't speculate
4438         frame-related insns.
4439
4440 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4441
4442         * sched-int.h (bb_note): Move to...
4443         * basic-block.h: ...here.
4444         * haifa-sched.c (bb_note): Move to...
4445         * cfgrtl.c: ...here.
4446         * function.c (next_block_for_reg): New function.
4447         (move_insn_for_shrink_wrap): Likewise.
4448         (prepare_shrink_wrap): Rewrite to use the above.
4449
4450 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4451
4452         * gimple.c (is_gimple_non_addressable): Remove.
4453         * gimple.h: Remove is_gimple_non_addressable.
4454         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4455         is_gimple_non_addressable.
4456         * trans-mem.c (expand_assign_tm): Same.
4457
4458 2012-01-09  Richard Guenther  <rguenther@suse.de>
4459
4460         PR tree-optimization/51775
4461         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4462         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4463
4464 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4465
4466         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4467         tuning parameters.
4468         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4469
4470 2012-01-09  Richard Guenther  <rguenther@suse.de>
4471
4472         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4473
4474 2012-01-08  Jan Hubicka  <jh@suse.cz>
4475
4476         PR tree-optimize/51680
4477         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4478         on when known_vals needs to be computed; cleanup.
4479
4480 2012-01-08  Jan Hubicka  <jh@suse.cz>
4481
4482         PR tree-optimize/51694
4483         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4484
4485 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4486
4487         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4488         for -std=c++98 and -std=c++11 too.
4489
4490 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4491
4492         * cfgloop.c (cancel_loop): Add free() of bbs array.
4493
4494 2012-01-07  Jan Hubicka  <jh@suse.cz>
4495
4496         PR tree-optimization/51600
4497         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4498         that benefits small functions.
4499
4500 2012-01-07  Jan Hubicka  <jh@suse.cz>
4501
4502         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4503
4504 2012-01-07  Jan Hubicka  <jh@suse.cz>
4505
4506         PR tree-optimization/51680
4507         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4508         whose inlining reduce unit size.
4509
4510 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4511
4512         PR bootstrap/51725
4513         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4514         Add canonical node to containing_mem chain after the non-canonical
4515         one, even if there weren't any locs to propagate.
4516         (remove_useless_values): Keep only canonical values.
4517         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4518         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4519         canonicalize mem_chain elements that are not discarded.
4520
4521 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4522
4523         PR target/47333
4524         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4525         before emitting functions.
4526
4527         PR gcov-profile/50127
4528         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4529         clear_aux_for_blocks.
4530
4531 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4532
4533         PR debug/51746
4534         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4535
4536 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4537
4538         * c-decl.c (ext_block): Moved up.
4539         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4540
4541 2012-01-06  Han Shen  <shenhan@google.com>
4542
4543         Translate built-in include paths for sysroot.
4544         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4545         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4546
4547         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4548         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4549
4550         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4551         control whether sysroot should be prepended to gxx include dir.
4552
4553         * configure: Regenerate.
4554
4555 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4556
4557         PR rtl-optimization/51771
4558         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4559         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4560
4561 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4562
4563         PR tree-optimization/51315
4564         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4565         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4566
4567 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4568
4569         PR target/51681
4570         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4571         for shrp pattern.  Correctly handle and fixup shift variable.
4572         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4573
4574 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4575
4576         PR debug/51762
4577         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4578         note when !ACCUMULATE_OUTGOING_ARGS.
4579
4580 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4581
4582         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4583         condition.
4584         (extract_range_from_unary_expr_1): Avoid useless computations.
4585
4586 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4587
4588         PR rtl-optimization/51767
4589         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4590         of jump_block and add an extra edge for degenerated asm gotos.
4591
4592         PR middle-end/51768
4593         * stmt.c (check_unique_operand_names): Don't ICE during error
4594         reporting if i is from labels chain.
4595
4596         PR middle-end/44777
4597         * profile.c (branch_prob): Split bbs that have exit edge
4598         and need a fake entry edge too.
4599
4600 2012-01-05  Jan Hubicka  <jh@suse.cz>
4601
4602         PR middle-end/49710
4603         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4604         unlooping loops.
4605
4606 2012-01-05  Richard Guenther  <rguenther@suse.de>
4607
4608         PR lto/50490
4609         * tree-streamer-out.c (write_ts_optimization): New function.
4610         (streamer_write_tree_body): Call it.
4611         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4612         (streamer_read_tree_body): Call it.
4613         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4614
4615 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4616
4617         PR middle-end/51761
4618         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4619         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4620         in_cleanup_point_expr before gimplify_stmt call and restore it
4621         afterwards.
4622         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4623         in_cleanup_point_expr is false.
4624
4625 2012-01-05  Richard Guenther  <rguenther@suse.de>
4626
4627         PR middle-end/51764
4628         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4629         to c.opt.
4630         * toplev.c (process_options): Reject combining mudflap and LTO.
4631         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4632
4633 2012-01-05  Richard Guenther  <rguenther@suse.de>
4634
4635         PR tree-optimization/51760
4636         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4637         not VARYING.
4638         (bit_value_unop): Handle UNDEFINED operands.
4639         (bit_value_binop): Likewise.
4640
4641 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4642
4643         * config/avr/avr.c (avr_replace_prefix): Remove.
4644         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4645         (avr_asm_function_rodata_section): Ditto.
4646         (avr_asm_select_section): Ditto.
4647
4648 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4649
4650         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4651         insertion.
4652
4653 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4654
4655         PR bootstrap/51648
4656         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4657         calls that have any non-fake successor edges.
4658
4659         PR debug/51746
4660         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4661
4662 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4663
4664         PR tree-optimization/51624
4665         * tree-sra.c (build_ref_for_model): When replicating a chain of
4666         COMPONENT_REFs, stop as soon as the offset would become negative.
4667
4668 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4669
4670         PR debug/51695
4671         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4672         in .debug_loc on the floor.
4673
4674 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4675
4676         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4677
4678 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4679             Adam Nemet  <anemet@caviumnetworks.com>
4680
4681         * config/mips/mips.md (size): Add SI and DI.
4682         (SIZE): New mode attribute.
4683         (U): New code attribute.
4684         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4685         (mips_lbux_<mode>): Delete.
4686         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4687         (mips_lhx): Use gen_mips_lhx_extsi.
4688         (mips_lhx_<mode>): Delete.
4689         (mips_lwx): Delete.
4690         (mips_l<size>x): New expand.
4691         (mips_lwx_<mode>): Delete.
4692         (mips_l<GPR:size>x_<P:mode>): New pattern.
4693         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4694         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4695         * config/mips/mips.c (mips_lx_address_p): New function.
4696         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4697         (dsp64): New availability predicate.
4698         (mips_builtins): Add an entry for __builtin_mips_ldx.
4699         * config/mips/mips.h (ISA_HAS_LBX): New define.
4700         (ISA_HAS_LBUX): Likewise.
4701         (ISA_HAS_LHX): Likewise.
4702         (ISA_HAS_LHUX): Likewise.
4703         (ISA_HAS_LWX): Likewise.
4704         (ISA_HAS_LWUX): Likewise.
4705         (ISA_HAS_LDX): Likewise.
4706         * doc/extend.texi (__builtin_mips_ldx): Document.
4707
4708 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4709
4710         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4711         when long pointers are used.
4712         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4713         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4714         (ia64-hp-*vms*): Remove.
4715         * config/vms/xm-vms64.h: Delete.
4716
4717 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4718
4719         PR middle-end/51472
4720         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4721
4722 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4723
4724         * opts.c (finish_options): Remove duplicate sorry.
4725
4726 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4727
4728         PR middle-end/51696
4729         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4730         correctly.
4731
4732 2012-01-04  Richard Guenther  <rguenther@suse.de>
4733
4734         PR middle-end/51750
4735         * tree.c (size_low_cst): New function.
4736         * tree.h (size_low_cst): Declare.
4737         * fold-const.c (fold_comparison): Use it to extract the low
4738         part of the POINTER_PLUS_EXPR offset.
4739
4740 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4741
4742         Fix clearing ZERO_REG
4743         * config/avr/avr.md (cc): Add alternative "ldi".
4744         (movqi_insn): Use it in cc attribute.
4745         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4746         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4747         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4748
4749 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4750
4751         * configure: Regenerate.
4752
4753 2012-01-04  Richard Guenther  <rguenther@suse.de>
4754
4755         PR tree-optimization/49651
4756         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4757         (var_can_have_subvars): Use it.
4758         (get_constraint_for_1): Only consider subfields if there can be any.
4759
4760 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4761
4762         PR bootstrap/51725
4763         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4764         to its new canonical_cselib_val and the cselib_val was in
4765         first_containing_mem chain, but the canonical_cselib_val was not,
4766         add the latter into the chain.
4767         (cselib_invalidate_mem): Compare canonical_cselib_val of
4768         addr_list chain elt with v.
4769
4770         PR pch/51722
4771         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4772         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4773         of xstrdup.
4774         (output_macinfo_op): Don't ggc_strdup fd->filename.
4775         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4776         then ggc_strdup it.  Don't free inc->info or cur->info.
4777         (output_macinfo): Don't free ref->info or file->info.
4778
4779 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4780
4781         PR tree-optimization/51269
4782         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4783         first_niters a pointer.
4784         (slpeel_tree_peel_loop_to_edge): Likewise.
4785         (vect_do_peeling_for_loop_bound): Update call to
4786         slpeel_tree_peel_loop_to_edge.
4787         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4788         here.  Remove it from the parameters list.
4789         (vect_do_peeling_for_alignment): Update calls and compute
4790         wide_prolog_niters.
4791
4792 2012-01-03  Richard Guenther  <rguenther@suse.de>
4793
4794         PR tree-optimization/51070
4795         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4796         Properly handle calls.
4797
4798 2012-01-03  Richard Guenther  <rguenther@suse.de>
4799
4800         PR tree-optimization/51692
4801         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4802         the LHS of allocation stmts.
4803
4804 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4805
4806         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4807
4808 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4809
4810         * collect2.c (main): In AIX specific computations for vector
4811         insertions, use CONST_CAST2 to cast from char ** to const char **.
4812
4813 2012-01-03  Richard Guenther  <rguenther@suse.de>
4814
4815         PR debug/51650
4816         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4817         the context of a limbo DIE when it does not already exist.
4818
4819 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4820
4821         PR tree-optimization/51719
4822         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4823         but direct call is, clear direct call's lhs and don't add fallthrough
4824         edge from dcall_bb to join_bb and PHIs.
4825
4826 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4827
4828         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4829         the instructions emitted by the pattern.
4830         ("*TDC_insn_<mode>"): Add comment.
4831
4832 2012-01-03  Richard Guenther  <rguenther@suse.de>
4833
4834         PR middle-end/51730
4835         * fold-const.c (fold_comparison): Properly canonicalize
4836         tree offset and HOST_WIDE_INT bit position.
4837
4838 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
4839
4840         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4841         operands for extzv pattern.
4842
4843 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4844
4845         PR bootstrap/51725
4846         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4847         on mem_elt first.
4848
4849 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
4850
4851         * doc/invoke.texi (-flto and related options): Copy-edit.
4852
4853 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4854
4855         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4856
4857 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4858
4859         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4860         New patterns.
4861
4862 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4863
4864         * expr.h (move_by_pieces_ninsns): Declare.
4865         * expr.c (move_by_pieces_ninsns): Make external.
4866         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4867         (mips_store_by_pieces_p): Likewise.
4868         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4869         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4870         * config/mips/mips.c (mips_move_by_pieces_p): New function.
4871         (mips_store_by_pieces_p): Likewise.
4872
4873 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4874
4875         * passes.c (register_one_dump_file): Free full_name.
4876
4877         * reload1.c (reload): Don't allocate reg_max_ref_width here.
4878         (calculate_elim_costs_all_insns): Free offsets_at and
4879         offsets_known_at at the end and clear the pointers.
4880
4881 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4882
4883         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4884         this option introduced in r180739.
4885
4886 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4887
4888         PR target/51345
4889         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4890         (tmake_file target=avr): Add avr/t-multilib.
4891
4892         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4893         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4894         * config/avr/genmultilib.awk: New file.
4895         * config/avr/t-multilib: New auto-generated file.
4896         * config/avr/multilib.h: New auto-generated file.
4897         * config/avr/t-avr (AVR_MCUS): New variable.
4898         (genopt.sh): Use it.
4899         (s-mlib): Depend on t-multilib.
4900         (t-multilib, multilib.h): New dependencies.
4901         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4902         (MULTILIB_OPTIONS): Remove.
4903         (MULTILIB_MATCHES): Remove.
4904         (MULTILIB_DIRNAMES): Remove.
4905         (MULTILIB_EXCEPTIONS): Remove:
4906         * config/avr/genopt.sh: Don't use hard coded file name;
4907         pass AVR_MCUS from t-avr instead.
4908
4909 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4910
4911         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4912
4913 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4914
4915         Implement light-weight DImode support.
4916         * config/avr/avr-dimode.md: New file.
4917         * config/avr/avr.md: Include it.
4918         (adjust_len): Add plus64, compare64.
4919         (HIDI): Remove code iterator.
4920         (code_stdname): New code attribute.
4921         (rotx, rotsmode): Remove DI.
4922         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4923         as code iterator.
4924         * config/avr/avr-protos.h (avr_have_dimode): New.
4925         (avr_out_plus64, avr_out_compare64): New.
4926         * config/avr/avr.c (avr_out_compare): Handle DImode.
4927         (avr_have_dimode): New variable definition and initialization.
4928         (avr_out_compare64, avr_out_plus64): New functions.
4929         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4930         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4931         (avr_compare_pattern): Skip DImode comparisons.
4932
4933 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4934
4935         * ddg.c (def_has_ccmode_p): New function.
4936         (add_cross_iteration_register_deps,
4937         create_ddg_dep_from_intra_loop_link): Call it.
4938
4939 2012-01-02  Richard Guenther  <rguenther@suse.de>
4940
4941         PR other/51679
4942         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4943
4944 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4945
4946         * gcc.c (process_command): Update copyright notice dates.
4947         * gcov.c (print_version): Likewise.
4948         * gcov-dump.c (print_version): Likewise.
4949         * mips-tfile.c (main): Likewise.
4950         * mips-tdump.c (main): Likewise.
4951
4952 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4953
4954         PR tree-optimization/51704
4955         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4956         a use is inside the basic block or loop before accessing its vect info.
4957
4958 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4959
4960         PR rtl-optimization/51069
4961         * cfgloopmanip.c (remove_path): Removing path making irreducible
4962         region unconditional makes BB part of the region.
4963
4964 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4965
4966         PR tree-optimization/51683
4967         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4968         calls with side-effects.
4969         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4970 \f
4971 Copyright (C) 2012 Free Software Foundation, Inc.
4972
4973 Copying and distribution of this file, with or without modification,
4974 are permitted in any medium without royalty provided the copyright
4975 notice and this notice are preserved.