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2012-06-18 Vladimir Makarov <vmakarov@redhat.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>
2
3         PR rtl-optimization/53700
4
5         Backport from mainline
6         2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>
7
8         * ira-color.c (setup_left_conflict_sizes_p): Process all
9         conflicting objects.
10
11 2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>
12
13         Backport from mainline
14         2012-05-09 Uros Bizjak  <ubizjak@gmail.com>
15
16         PR target/52908
17         * config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
18         xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
19         (vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
20         instead of xop_mulv2div2di3_low.
21         (xop_p<macs>dql): Fix vec_select selector.
22         (xop_p<macs>dqh): Ditto.
23         (xop_mulv2div2di3_low): Remove insn_and_split pattern.
24         (xop_mulv2div2di3_high): Ditto.
25
26 2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
27
28         Backport from mainline:
29         2012-06-17  Uros Bizjak  <ubizjak@gmail.com>
30
31         * config/i386/sse.md (vcvtph2ps): Fix vec_select selector.
32
33 2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
34
35         Backport from mainline:
36         2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
37
38         * config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
39         * config/pa/pa.c (pa_attr_length_millicode_call): Use
40         MAX_PCREL17F_OFFSET instead of fixed offset.
41         (pa_attr_length_call): Likewise.
42         (pa_attr_length_indirect_call): Likewise.
43
44 2012-06-15  Walter Lee  <walt@tilera.com>
45
46         Backport from mainline:
47         2012-06-15  Walter Lee  <walt@tilera.com>
48
49         * config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.
50
51         2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
52
53         * config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.
54
55 2012-06-15  Aldy Hernandez  <aldyh@redhat.com>
56
57         Backport from mainline:
58
59         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
60         * tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
61         * gimple.h (block_in_transaction): Check for flag_tm.
62
63 2012-06-14  Aldy Hernandez  <aldyh@redhat.com>
64
65         PR tree-optimization/52558
66
67         Backport from mainline:
68         2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
69         * gimple.h (gimple_set_in_transaction): Remove.
70         (gimple_in_transaction): Look in BB instead.
71         (gimple_statement_base): Remove in_transaction field.
72         * basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
73         * trans-mem.c (compute_transaction_bits): Place transaction bit
74         information into basic blocks.
75
76         2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
77
78         PR tree-optimization/52558
79         * cfg.c (alloc_aux_for_edge): Fix comment.
80         (alloc_aux_for_edge): Remove static.
81         * basic-block.h (alloc_aux_for_edge): Protoize.
82         * tree-ssa-loop-im.c (execute_sm_if_changed): New.
83         (execute_sm_if_changed_flag): New.
84         (execute_sm_if_changed_flag_set): New.
85         (execute_sm): Do not generate data races unless requested.
86         (tree_ssa_lim_initialize): Call alloc_aux_for_edges.
87         (tree_ssa_lim_finalize): Call free_aux_for_edges.
88         * gimple.h (block_in_transaction): New.
89         (gimple_in_transaction): Use block_in_transaction.
90
91 2012-06-14  Jakub Jelinek  <jakub@redhat.com>
92
93         Backported from mainline
94         2012-06-12  Jakub Jelinek  <jakub@redhat.com>
95
96         PR rtl-optimization/53589
97         * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
98         discovery even when e->dest != target.  If any LABEL_REF points
99         to e->dest label, redirect it to target's label.
100
101         2012-06-07  Jakub Jelinek  <jakub@redhat.com>
102
103         PR middle-end/53580
104         * omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
105         returns false, replace stmt with GIMPLE_NOP.
106         (check_omp_nesting_restrictions): Instead of issuing warnings,
107         issue errors and return false if any errors were reported.
108
109 2012-06-14  Richard Guenther  <rguenther@suse.de>
110
111         * BASE-VER: Set to 4.7.2.
112         * DEV-PHASE: Set to prerelease.
113
114 2012-06-12  Christian Bruel  <christian.bruel@st.com>
115
116         PR target/53621
117         * config/sh/sh.c (sh_option_override): Don't force
118          flag_omit_frame_pointer and maccumulate_outgoing_args.
119         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
120
121 2012-06-14  Release Manager
122
123         * GCC 4.7.1 released.
124
125 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
126
127         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
128
129 2012-06-13  Richard Henderson  <rth@redhat.com>
130
131         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
132         iterator instead of INT.
133
134 2012-06-08  Richard Henderson  <rth@redhat.com>
135
136         PR c++/53602
137         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
138         note to a clobber insn when no other insn is available.
139
140 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
141
142         PR c++/53524
143         * doc/invoke.texi (Wenum-compare): Update documentation.
144
145 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
146
147         PR target/53559
148         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
149         operands.
150         (altivec_stvlxl): Ditto.
151         (altivec_stvrx): Ditto.
152         (altivec_stvrxl): Ditto.
153
154 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
155
156         PR middle-end/47530
157         * trans-mem.c (expand_block_edges): Do not skip the first
158         statement when resetting the BB.
159
160 2012-06-04  Richard Guenther  <rguenther@suse.de>
161
162         PR middle-end/53471
163         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
164         create new assembler names.
165
166 2012-06-04  Richard Guenther  <rguenther@suse.de>
167
168         Backport from mainline
169         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
170
171         PR middle-end/52979
172         * stor-layout.c (get_best_mode): Don't return mode with bitsize
173         larger than maxbits.  Don't compute maxbits modulo align.
174         Also check that unit bytes long store at bitpos / unit * unit
175         doesn't affect bits beyond bitregion_end.
176         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
177         would not fit into bitregion_start ... bitregion_end + 1 bit
178         region.
179         (store_split_bit_field): Decrease unit close to end of bitregion_end
180         if access is restricted in order to avoid mutual recursion.
181
182 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
183
184         Backport from 2012-06-04 mainline r188172
185
186         PR target/46261
187         * config/avr/avr-stdint.h: New file.
188         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
189         newlib-stdint.h
190
191 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
192
193         PR tree-optimization/53550
194         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
195         is POINTER_TYPE_P, use sizetype as step type instead of type.
196
197 2012-06-04  Richard Guenther  <rguenther@suse.de>
198             Eric Botcazou  <ebotcazou@adacore.com>
199
200         Backport from mainline
201         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
202
203         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
204         Change type of BITOFFSET to signed.  Make sure the lower bound of
205         the computed range is non-negative by adjusting OFFSET and BITPOS.
206         (expand_assignment): Adjust call to get_bit_range.
207
208         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
209
210         * expr.c (get_bit_range): Return the null range if the enclosing record
211         is part of a larger bit field.
212
213         2012-03-20  Richard Guenther  <rguenther@suse.de>
214
215         * stor-layout.c (finish_bitfield_representative): Fallback
216         to conservative maximum size if the padding up to the next
217         field cannot be computed as a constant.
218         (finish_bitfield_layout): If we cannot compute the distance
219         between the start of the bitfield representative and the
220         bitfield member start a new representative.
221         * expr.c (get_bit_range): The distance between the start of
222         the bitfield representative and the bitfield member is zero
223         if the field offsets are not constants.
224
225         2012-03-16  Richard Guenther  <rguenther@suse.de>
226
227         * stor-layout.c (finish_bitfield_representative): Fall back
228         to the conservative maximum size if we cannot compute the
229         size of the tail padding.
230
231         2012-03-14  Richard Guenther  <rguenther@suse.de>
232
233         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
234         * stor-layout.c (start_bitfield_representative): New function.
235         (finish_bitfield_representative): Likewise.
236         (finish_bitfield_layout): Likewise.
237         (finish_record_layout): Call finish_bitfield_layout.
238         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
239         for QUAL_UNION_TYPE fields.
240         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
241         Stream DECL_BIT_FIELD_REPRESENTATIVE.
242         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
243
244         PR middle-end/52080
245         PR middle-end/52097
246         PR middle-end/48124
247         * expr.c (get_bit_range): Unconditionally extract bitrange
248         from DECL_BIT_FIELD_REPRESENTATIVE.
249         (expand_assignment): Adjust call to get_bit_range.
250
251 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
252
253         PR middle-end/53501
254         * fold-const.c (fold_binary_loc): Refine previous change.
255
256 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
257
258         Backport from mainline
259         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
260
261         PR target/52667
262         * config/sh/sh.c (find_barrier): Add equality check of last_got to
263         avoid going above orig insn.  Update comments.
264
265 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
266
267         Backport from mainline
268         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
269
270         PR target/52642
271         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
272         prologue for unwinder and profiler.
273
274 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
275
276         Backport from mainline
277         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
278
279         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
280
281 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
282
283         Backport from mainline
284         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
285
286         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
287         DBX_REGISTER_NUMBER.
288
289 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
290
291         Backport from mainline
292         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
293
294         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
295         operand is CONST_INT.  Take COSTS_N_INSNS into account.
296         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
297         shiftcosts.     
298
299 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
300
301         * config/avr/avr.opt (-msp8): Document it.
302         * doc/invoke.texi (AVR Options): Copy from trunk docu.
303
304 2012-05-31  Richard Guenther  <rguenther@suse.de>
305
306         PR middle-end/48493
307         * expr.c (expand_assignment): Do not use movmisalign on
308         non-memory.
309
310 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
311
312         PR target/52999
313         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
314         (pa_section_type_flags): New.
315         (pa_legitimate_constant_p): Revert previous change.
316
317 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
318
319         Backport from mainline
320         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
321
322         PR middle-end/53008
323         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
324         accessed indirectly.
325         (ipa_tm_create_version): Same.
326
327 2012-05-30  Jason Merrill  <jason@redhat.com>
328
329         PR c++/53220
330         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
331         about array compound literals.
332
333 2012-05-30  Richard Guenther  <rguenther@suse.de>
334
335         PR middle-end/53501
336         * fold-const.c (fold_binary_loc): Make sure to call
337         fold_plusminus_mult_expr with the original sign of operands.
338
339 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
340
341         * explow.c (probe_stack_range): Restore simple control flow and stop
342         again when the probe cannot be generated if HAVE_check_stack.
343
344 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
345
346         PR rtl-optimization/53519
347         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
348         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
349
350 2012-05-29  Richard Guenther  <rguenther@suse.de>
351
352         PR tree-optimization/53516
353         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
354         bitfield accesses.
355         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
356
357 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
358
359         Backport from mainline
360         2012-05-28  Richard Guenther  <rguenther@suse.de>
361
362         PR tree-optimization/53438
363         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
364
365 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
366
367         Backport from mainline
368         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
369
370         PR rtl-optimization/52528
371         * combine.c (can_combine_p): Add setting of subst_low_luid
372         before call to expand_field_assignment().
373
374 2012-05-26  Martin Jambor  <mjambor@suse.cz>
375
376         Backport from mainline
377         2012-05-23  Martin Jambor  <mjambor@suse.cz>
378
379         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
380
381 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
382
383         PR lto/52178
384         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
385         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
386
387 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
388
389         PR target/53435
390         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
391         (ix86_expand_vec_perm): Use int mode instead of float.
392
393 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
394
395         PR ada/52362
396         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
397         gnu_ld variables to yes.
398         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
399         (HAVE_GNU_AS): Likewise.
400         * config.in: Regenerate.
401         * configure: Likewise.
402
403 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
404
405         Backport from mainline
406         2012-03-12  Richard Guenther  <rguenther@suse.de>
407         * config/arm/arm.c (neon_dereference_pointer): Do not call
408         covert during RTL expansion.
409
410 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
411
412         Backport from mainline
413         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
414
415         PR target/53385
416         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
417         relied on signed overflow behavior.
418
419 2012-05-24  Richard Guenther  <rguenther@suse.de>
420
421         PR middle-end/53460
422         * tree-profile.c (tree_profiling): Cleanup the CFG if
423         execute_fixup_cfg requests it.
424
425 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
426
427         PR tree-optimization/53465
428         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
429         vr0 into *vr, then vrp_meet that.
430         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
431         have any equivalences.
432         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
433         first time.
434
435 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
436
437         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
438         size handling.
439         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
440         (iterative_hash_gimple_type): Adjust comment.
441         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
442         domain for an array type instead of the domain type itself.
443
444 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
445
446         Backport from 2012-05-23 mainline r187803
447
448         PR target/53448
449         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
450         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
451         ASM_OUTPUT_ALIGN.
452
453 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
454
455         Backport from 2012-05-03 mainline r187075
456
457         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
458         has_fma4 for AMD processors with both fma3 and fma4 support.
459
460 2012-05-22  Richard Guenther  <rguenther@suse.de>
461
462         PR tree-optimization/53408
463         * tree-vect-loop.c (vectorizable_induction): Properly check
464         the restriction that we cannot handle induction results from
465         the inner loop outside of the outer loop.
466
467 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
468
469         PR tree-optimization/53436
470         * omp-low.c (omp_build_component_ref): New function.
471         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
472
473         PR tree-optimization/53366
474         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
475         tests if complex_numbers == 2, but there are non-complex number loads
476         too.
477
478         PR tree-optimization/53409
479         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
480         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
481
482         PR tree-optimization/53410
483         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
484         instead of build_int_cst (type, 0) where vector types might be
485         involved.
486
487 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
488
489         PR c/53418
490         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
491         from folded operands before wrapping another around the
492         conditional expression.
493
494 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
495             Patrick Marlier  <patrick.marlier@gmail.com>
496
497         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
498         indirect calls.
499
500 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
501
502         Backport from mainline
503         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
504
505         PR target/53416
506         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
507         (UNSPECV_RDRAND): This.
508         (rdrand<mode>_1): Updated.
509
510 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
511
512         Backport from mainline
513         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
514
515         * config/i386/driver-i386.c (host_detect_local_cpu): Support
516         RDRND, F16C and FSGSBASE.
517
518 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
519
520         Backport from mainline
521         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
522
523         * tree-ssa-pre.c (can_value_number_call): Delete.
524         (compute_avail): Skip all statements with side effects.
525         <GIMPLE_CALL>: Skip calls to internal functions.
526
527 2012-05-18  David S. Miller  <davem@davemloft.net>
528
529         Backport r185385 from mainline
530         2012-03-14  Richard Guenther  <rguenther@suse.de>
531
532         PR middle-end/52584
533         * tree-vect-generic.c (type_for_widest_vector_mode): Take
534         element type instead of mode, use build_vector_type_for_mode
535         instead of the langhook, build a vector of proper signedness.
536         (expand_vector_operations_1): Adjust.
537
538 2012-05-18  Olivier Hainque  <hainque@adacore.com>
539
540         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
541         $(libsubdir) as libexecsubdir.
542
543 2012-05-16  Andrew Pinski  <apinski@cavium.com>
544
545         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
546         GIMPLE_ASSIGN.
547
548 2012-05-16  David S. Miller  <davem@davemloft.net>
549
550         * jump.c (delete_related_insns): If we remove a CALL, make sure
551         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
552
553 2012-05-16  Richard Henderson  <rth@redhat.com>
554
555         PR debug/52727
556         * combine-stack-adj.c (prev_active_insn_bb): New.
557         (next_active_insn_bb): New.
558         (force_move_args_size_note): New.
559         (combine_stack_adjustments_for_block): Use it.
560
561 2012-05-16  Olivier Hainque  <hainque@adacore.com>
562
563         * Makefile.in (install-no-fixedincludes): New target, former toplevel
564         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
565         Add comments and improve stamp preservation across the whole sequence.
566         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
567
568 2012-05-16  Richard Guenther  <rguenther@suse.de>
569
570         PR tree-optimization/53364
571         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
572         detect a view-conversion of the decl.
573
574 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
575
576         PR target/53358
577         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
578         that operands[2] is either immediate, or q_regs_operand.
579
580 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
581
582         Backport r187139 from mainline.
583         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
584
585         PR rtl-optimization/52804
586         * reload1.c (reload_reg_reaches_end_p): Check whether successor
587         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
588         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
589         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
590         RELOAD_FOR_OUTADDR_ADDRESS.
591
592 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
593
594         PR target/46098
595         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
596         generate target register for "load" class builtins.
597
598         Revert:
599         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
600
601         PR target/46098
602         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
603         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
604         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
605         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
606         (<sse>_movu<ssemodesuffix>): New expander.
607         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
608         (avx_movdqu<avxmodesuffix>): New expander.
609         (*sse2_movdqu): Rename from sse2_movdqu.
610         (sse2_movdqu): New expander.
611
612 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
613
614         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
615         lineno 1 the same as lineno 0 before first start file directive.
616         (optimize_macinfo_range): Likewise.
617
618         * dwarf2out.c (have_macinfo): Define.
619         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
620         attribute, don't force empty compilation unit and don't emit any
621         .debug_macinfo/.debug_macro section if macinfo_table is empty.
622
623 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
624
625         Backport from mainline
626         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
627
628         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
629         ORDERED and UNORDERED conditions.
630
631 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
632
633         * function.c (requires_stack_frame_p): If the function can throw
634         non-call exceptions, return true if the insn can throw internally.
635
636 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
637
638         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
639         DECL_ORIGINAL_TYPE if it is present.
640
641 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
642
643         Backport from 2012-05-12 mainline r187342.
644
645         PR target/53256
646         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
647         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
648         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
649         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
650         (expand_prologue): Move initialization of cfun->machine->is_naked,
651         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
652         (avr_set_current_function): ...this new static function.
653         (TARGET_SET_CURRENT_FUNCTION): New define.
654         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
655         checking attributes of current_function_decl.
656         (avr_regs_to_save): Ditto.
657         (signal_function_p): Rename to avr_signal_function_p.
658         (interrupt_function_p): Rename to avr_interrupt_function_p.
659
660         * doc/extend.texi (Function Attributes): Better explanation of
661         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
662         alphabetical order.
663
664 2012-05-09  Matthias Klose  <doko@ubuntu.com>
665
666         * gcc-ar.c (main): Don't check for execute bits for the plugin.
667
668 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
669
670         PR target/53272
671         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
672         when a constant source operand matches an "I" constraint, the "no
673         CC0 change" applies to a register-destination only, not a
674         strict_low_part-destination.
675
676 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
677
678         Backport from mainline:
679         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
680
681         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
682
683 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
684
685         PR tree-optimization/53239
686         * tree-vrp.c (get_value_range): Set VR of
687         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
688         to nonnull.
689
690 2012-05-07  Richard Guenther  <rguenther@suse.de>
691
692         PR tree-optimization/53195
693         * tree-inline.c (setup_one_parameter): Properly add referenced
694         vars from the parameters new known value.
695
696 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
697
698         Backport from mainline:
699         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
700
701         PR target/52999
702         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
703         in constant pool.
704
705 2012-05-04  Ian Lance Taylor  <iant@google.com>
706
707         * tree-vect-patterns.c (vect_single_imm_use): Correct return
708         values from false to NULL.
709
710 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
711
712         Backport from mainline
713         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
714
715         PR target/53228
716         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
717         (TARGET_CMOV): Rename from TARGET_CMOVE.
718         (TARGET_CMOVE): New define.
719         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
720         Do not set TARGET_CMOVE here.
721
722 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
723
724         Backport from mainline:
725
726         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
727
728         PR tree-optimization/52633
729         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
730         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
731         (vect_recog_over_widening_pattern): Remove handling of code that was
732         already detected as over-widening pattern.  Remove special handling
733         of "unsigned" cases.  Instead, support general case of conversion
734         of the shift result to another type.
735
736         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
737
738         * tree-vect-patterns.c (vect_single_imm_use): New function.
739         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
740         (vect_recog_over_widening_pattern): Likewise.
741         (vect_recog_widen_shift_pattern): Likewise.
742
743         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
744
745         PR tree-optimization/52870
746         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
747         presumed pattern statement is within the same loop or basic block.
748
749 2012-05-04  Richard Guenther  <rguenther@suse.de>
750
751         * common.opt (flto-report): Do not mark as Optimization.
752
753 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
754
755         PR target/48496
756         * recog.c (constrain_operands): If extra constraints are present, also
757         accept pseudo-registers with equivalent memory locations during reload.
758
759 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
760
761         Backport from the mainline
762         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
763
764         PR target/53199
765         * config/rs6000/rs6000.md (bswapdi splitters): If
766         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
767         default) is used, generate an alternate sequence that does not
768         depend on using indexed addressing.
769
770 2012-05-03  David S. Miller  <davem@davemloft.net>
771
772         PR target/52684
773         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
774         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
775         (sparc_emit_float_lib_cmp): Likewise.
776
777 2012-05-04  Martin Jambor  <mjambor@suse.cz>
778
779         Backport from mainline
780         2012-05-02  Martin Jambor  <mjambor@suse.cz>
781
782         PR lto/52605
783         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
784         of a variable when the contect is a function.
785
786 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
787
788         PR plugins/53126
789         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
790         append program name to it and pass that as first argument
791         to make_relative_prefix.  Always pass standard_libexec_prefix
792         as last argument to make_relative_prefix.  If
793         make_relative_prefix returns NULL, fall back to
794         standard_libexec_prefix.
795
796         PR debug/53174
797         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
798         removed.
799
800         PR target/53187
801         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
802         mode, return that mode.
803
804 2012-05-03  Richard Guenther  <rguenther@suse.de>
805
806         PR tree-optimization/53144
807         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
808         Rename to ...
809         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
810         with SSA name values.
811         (vn_reference_lookup_3): Adjust callers.
812
813 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
814
815         PR tree-optimization/53163
816         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
817         return value from compute_all_dependences.
818
819         PR rtl-optimization/53160
820         * ree.c (combine_reaching_defs): Handle the case where cand->insn
821         has been modified by ree pass already.
822
823 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
824
825         Backport from mainline
826         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
827
828         PR middle-end/53136
829         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
830         calls to cgraph_node_name in xstrdup.
831         (ipa_make_edge_direct_to_target): Ditto.
832         * tree-sra.c (convert_callers_for_node): Ditto.
833         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
834         * ipa-cp.c (perhaps_add_new_callers): Ditto.
835         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
836         (cgraph_materialize_all_clones): Ditto.
837         * ipa-inline.c (report_inline_failed_reason): Ditto.
838         (want_early_inline_function_p): Ditto.
839         (edge_badness): Ditto.
840         (update_edge_key): Ditto.
841         (flatten_function): Ditto.
842         (ipa_inline): Ditto.
843         (inline_always_inline_functions): Ditto.
844         (early_inline_small_functions): Ditto.
845
846 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
847
848         Backport from mainline
849         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
850
851         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
852         Introduce emul_name to select the right linker emulation for
853         powerpc64-*-freebsd*.
854         * configure: Regenerate.
855         * config.gcc: Add bits to support powerpc64-*-freebsd*.
856         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
857         * config/rs6000/freebsd64.h: New file.
858         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
859         POWERPC_FREEBSD.
860         (rs6000_savres_strategy): Likewise.
861         (rs6000_savres_routine_name): Likewise.
862         (rs6000_elf_file_end): Likewise.
863         * config/rs6000/t-freebsd64: New file.
864         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
865         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
866
867 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
868
869         Backport from mainline
870         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
871
872         PR target/53138
873         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
874
875 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
876
877         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
878         predicate to discriminate types.
879
880 2012-04-27  Richard Guenther  <rguenther@suse.de>
881
882         PR c/51527
883         * convert.c (convert_to_integer): Avoid infinite recursion for
884         target-defined built-in types.
885
886 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
887
888         PR target/53120
889         * config/cris/cris.md ("*andhi_lowpart_v32")
890         ("*andqi_lowpart_v32"): Change first input-only operand from
891         a (match_operand ...) to (match_dup 0).  Drop alternatives with
892         const_int-matching constraints for redundancy.
893         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
894         three-operand alternative.
895
896 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
897
898         Backport from mainline
899         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
900
901         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
902         (*addsi_2_zext): Ditto.
903         (*add<mode>_3): Ditto.
904         (*addsi_3_zext): Ditto.
905         (*add<mode>_5): Ditto.
906
907 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
908
909         PR c/52880
910         * c-typeck.c (set_nonincremental_init,
911         set_nonincremental_init_from_string): Pass true instead of false
912         as IMPLICIT to add_pending_init.
913
914 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
915
916         Backport from 2012-04-24 mainline r186768.
917
918         PR target/53065
919         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
920
921 2012-04-24  Richard Guenther  <rguenther@suse.de>
922
923         PR tree-optimization/53085
924         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
925         stores.
926
927 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
928
929         PR middle-end/53084
930         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
931         of MEM_REF.
932         (output_addressed_constants): Likewise.
933
934         PR middle-end/52999
935         * varasm.c (get_section): Don't ICE for section conflicts with
936         built-in section kinds.
937
938 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
939
940         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
941
942 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
943
944         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
945
946 2012-04-23  Richard Guenther  <rguenther@suse.de>
947
948         PR c/53060
949         * c-typeck.c (build_binary_op): Fix typo.
950
951 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
952
953         PR tree-optimizations/52891
954         * tree-vect-patterns.c (adjust_bool_pattern): Use
955         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
956         but with non-standard precision.
957
958 2012-04-22  Ian Lance Taylor  <iant@google.com>
959
960         * godump.c (go_output_typedef): Dump size of structs.
961
962 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
963
964         Backport from mainline:
965
966         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
967         hints for 'A' operand types.
968
969 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
970
971         Backport from 2012-04-19 mainline r186588.
972
973         PR target/53033
974         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
975         the case *(X+const).
976
977 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
978
979         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
980
981 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
982
983         PR target/53020
984         * config/i386/sync.md (atomic_<code><mode>): Rename to
985         atomic_<logic><mode>.
986
987 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
988
989         Backport from mainline
990         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
991
992         PR target/52932
993         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
994         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
995         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
996         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
997         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
998         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
999         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
1000         gen_avx2_permvarv8sf.
1001
1002 2012-04-16  Martin Jambor  <mjambor@suse.cz>
1003
1004         Backported from mainline
1005
1006         2012-04-13  Martin Jambor  <mjambor@suse.cz>
1007         PR middle-end/52939
1008
1009         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
1010         fold_ctor_reference returns a zero constant.
1011
1012 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1013
1014         Backported from mainline
1015         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1016
1017         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
1018         and __ILP32__ for x32.
1019
1020 2012-04-13  Tom de Vries  <tom@codesourcery.com>
1021
1022         Backport from mainline r186418.
1023
1024         2012-04-13  Tom de Vries  <tom@codesourcery.com>
1025
1026         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
1027         parameters vuse and vuse_escaped.
1028         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
1029         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
1030         vuse1 != vuse2.
1031
1032 2012-04-13  Richard Guenther  <rguenther@suse.de>
1033
1034         PR tree-optimization/52969
1035         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
1036         the condition for the COND_EXPR and handle predicate negation
1037         by swapping the COND_EXPR arms.
1038
1039 2012-04-13  Richard Guenther  <rguenther@suse.de>
1040
1041         PR c/52862
1042         * convert.c (convert_to_pointer): Remove special-casing of
1043         zero.
1044
1045 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1046
1047         Backport from mainline
1048         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1049
1050         PR target/52775
1051         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
1052         the list of options to enable the FCFID instruction.
1053         (TARGET_EXTRA_BUILTINS): Adjust comment.
1054
1055 2012-04-12  Richard Guenther  <rguenther@suse.de>
1056
1057         PR tree-optimization/52943
1058         * tree-chrec.h (chrec_is_positive): Remove.
1059         * tree-scalar-evolution.c (chrec_is_positive): Move ...
1060         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
1061         Return false for a constant zero instead of negative.
1062         (analyze_siv_subscript_cst_affine): Handle zero difference
1063         in the initial condition explicitely.
1064
1065 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1066
1067         PR middle-end/52894
1068         * varasm.c (process_pending_assemble_externals): Set
1069         pending_assemble_externals_processed true.
1070         (assemble_external): Call assemble_external_real if the pending
1071         assemble externals have been processed.
1072
1073 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1074
1075         PR target/52717
1076         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
1077         the DECL generated for the special GOT helper.
1078
1079 2012-04-06  Walter Lee  <walt@tilera.com>
1080
1081         Backport from mainline
1082         2012-03-07  Walter Lee  <walt@tilera.com>
1083
1084         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1085         REG_CFA_* notes for the stack pointer.
1086         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1087         EH_RETURN_STACKADJ_RTX.
1088         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1089         generate REG_CFA_* notes for the stack pointer.
1090         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1091         by EH_RETURN_STACKADJ_RTX.
1092
1093 2012-04-06  Matt Turner  <mattst88@gmail.com>
1094
1095         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
1096
1097 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
1098
1099         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
1100         of the destination isn't also a FP_REGS register.
1101
1102 2012-04-03  Richard Guenther  <rguenther@suse.de>
1103
1104         Backport from mainline
1105         2012-03-02  Richard Guenther  <rguenther@suse.de>
1106
1107         PR tree-optimization/52406
1108         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1109         (struct indices): Add unconstrained_base member.
1110         (struct dr_alias): Remove unused vops member.
1111         (DR_UNCONSTRAINED_BASE): New define.
1112         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1113         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1114         be an artificial access that covers the whole indexed object,
1115         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1116         plain decl base-objects to their MEM_REF variant.
1117         (dr_may_alias_p): When the base-object of either data reference
1118         has unknown size use only points-to information.
1119         (compute_affine_dependence): Make dumps easier to read and
1120         more verbose.
1121         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1122         DR_REF when looking for packed references.
1123         (vect_supportable_dr_alignment): Likewise.
1124
1125 2012-04-03  Richard Guenther  <rguenther@suse.de>
1126
1127         Backport from mainline
1128         2012-03-15  Richard Guenther  <rguenther@suse.de>
1129
1130         PR middle-end/52580
1131         * tree-data-ref.c (subscript_dependence_tester_1): Check
1132         all dimensions for non-conflicting access functions.
1133
1134 2012-04-03  Richard Guenther  <rguenther@suse.de>
1135
1136         Backport from mainline
1137         2012-03-06  Richard Guenther  <rguenther@suse.de>
1138
1139         PR middle-end/52493
1140         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1141
1142         2012-03-23  Richard Guenther  <rguenther@suse.de>
1143
1144         PR tree-optimization/52678
1145         * tree-vectorizer.h (struct _stmt_vec_info): Add
1146         loop_phi_evolution_part member.
1147         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1148         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1149         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1150         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1151         Use the cached evolution part and the PHI nodes value from
1152         the loop preheader edge instead of re-analyzing the evolution.
1153
1154         2012-03-26  Richard Guenther  <rguenther@suse.de>
1155
1156         PR tree-optimization/52701
1157         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1158         compute and set the evolution part of PHI nodes.
1159
1160         2012-03-30  Richard Guenther  <rguenther@suse.de>
1161
1162         PR tree-optimization/52754
1163         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1164         propagate arbitrary addresses into really plain dereferences.
1165
1166 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1167
1168         PR tree-optimization/52835
1169         * tree-data-ref.c (build_rdg): Return NULL if
1170         compute_data_dependences_for_loop failed.
1171
1172 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1173
1174         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1175         (stmt_can_make_abnormal_goto): Use it.
1176         (is_ctrl_altering_stmt): Likewise.
1177
1178 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1179
1180         Backported from mainline
1181         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1182
1183         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1184         is a builtin_stack_save in a dominating BB.
1185
1186 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1187
1188         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1189         crossing 128bit lane boundary.
1190
1191 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1192
1193         Backported from mainline
1194         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1195
1196         PR target/52698
1197         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1198         New prototype.
1199         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1200         * config/i386/i386.c: Include reload.h.
1201         (ix86_legitimize_reload_address): New function.
1202
1203 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1204
1205         Backported from mainline
1206         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1207
1208         PR middle-end/52693
1209         * tree-sra.c (sra_modify_assign): Do not call
1210         load_assign_lhs_subreplacements when working with an unscalarizable
1211         region.
1212
1213 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1214
1215         PR middle-end/52691
1216         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1217         __builtin_va_start to __builtin_next_arg if the latter is
1218         builtin_decl_explicit_p rather than when it is not.
1219
1220         PR middle-end/52750
1221         * tree-vect-generic.c (vector_element): Perform multiplication
1222         for pos in bitsizetype type instead of idx type.
1223
1224 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1225
1226         Backport from 2012-03-28 mainline r185910.
1227
1228         PR target/52692
1229         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1230         (avr_builtin_decl): New static function.
1231         (struct avr_builtin_description, avr_bdesc): Move up.
1232         Add GTY marker. Add field fndecl. Remove redundant field id.
1233         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1234         (avr_expand_builtin): Code cleanup because .id is removed.
1235
1236 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1237
1238         PR middle-end/51893
1239         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1240         targets.
1241
1242 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1243
1244         Backport from 2012-03-28 mainline r185907.
1245
1246         PR target/52737
1247         * config.gcc (tm_file): Remove avr/multilib.h.
1248
1249         * doc/invoke.texi (AVR Options): Adjust
1250         documentation of -mtiny-stack.
1251
1252         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1253         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1254         * config/avr/t-avr: Remove generation of multilib.h.
1255         * config/avr/t-multilib: Regenerate.
1256         * config/avr/multilib.h: Remove.
1257         * config/avr/avr.opt (-msp8): New option.
1258         (avr_sp8): New variable.
1259         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1260         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1261         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1262         (avr_device_to_sp8): New prototype.
1263         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1264         (DRIVER_SELF_SPECS): New define.
1265         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1266         __AVR_SP8__, __AVR_HAVE_SPH__.
1267         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1268         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1269         (avr_file_start): Ditto.
1270
1271 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1272
1273         PR target/52736
1274         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1275         instead of 8 in adjust_address.
1276
1277 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1278
1279         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1280         of a unit before computing the offset in units.
1281
1282 2012-03-27  Richard Guenther  <rguenther@suse.de>
1283
1284         PR middle-end/52720
1285         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1286         explicitely.
1287
1288 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1289
1290         PR target/52610
1291         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1292
1293 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1294
1295         PR middle-end/52640
1296         * varasm.c: Include pointer-set.h.
1297         (pending_assemble_externals_set): New pointer set.
1298         (process_pending_assemble_externals): Destroy the pointer set.
1299         (assemble_external): See if decl is in pending_assemble_externals_set,
1300         and add it to pending_assemble_externals if necessary.
1301         (init_varasm_once): Allocate pending_assemble_externals_set.
1302
1303 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1304
1305         Backported from mainline
1306         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1307
1308         PR target/50310
1309         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1310         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1311         (vector_ltgt<mode>): Likewise.
1312         (vector_ordered<mode>): Likewise.
1313         (vector_unordered<mode>): Likewise.
1314         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1315
1316 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1317
1318         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1319         Make static.
1320
1321 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1322
1323         Backported from mainline
1324         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1325
1326         PR target/48596
1327         PR target/48806
1328         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1329         GENERAL_REGS and FP_REGS for SImode.
1330
1331 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1332
1333         PR middle-end/52547
1334         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1335         on any new_local_var_chain vars declared during recursing on
1336         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1337
1338 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1339
1340         Backport from 2012-03-22 mainline r185692.
1341
1342         PR target/52496
1343         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1344         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1345         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1346         (delay_cycles_1, delay_cycles_2): Ditto.
1347         (delay_cycles_3, delay_cycles_4): Ditto.
1348         (nopv, *nopv): Ditto.
1349         (sleep, *sleep): Ditto.
1350         (wdr, *wdr): Ditto.
1351
1352         Backport from 2012-03-21 mainline r185605.
1353
1354         PR rtl-optimization/52543
1355         PR target/52461
1356         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1357         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1358         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1359         (avr_load_libgcc_p): Restrict to __flash loads.
1360         (avr_out_lpm): Only handle 1-byte loads from __flash.
1361         (avr_load_lpm): New function.
1362         (avr_find_unused_d_reg): Remove.
1363         (avr_out_lpm_no_lpmx): Remove.
1364         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1365         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1366         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1367         (load_<mode>, load_<mode>_clobber): New insns.
1368         (mov<mode>): For multi-byte move from non-generic
1369         16-bit address spaces: Expand to load_<mode> resp.
1370         load_<mode>_clobber.
1371         (load<mode>_libgcc): Remove expander.
1372         (split-lpmx): Remove split.
1373
1374         Backport from 2012-03-13 mainline r185329.
1375
1376         PR target/52488
1377         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1378         offset (size) to a value the insns can deal with.
1379         (expand_epilogue): Ditto.
1380
1381         Backport from 2012-03-12 mainline r185256.
1382
1383         PR target/52499
1384         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1385         type from reg_class_t to enum reg_class.
1386         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1387
1388         Backport from 2012-03-12 mainline r185253.
1389
1390         PR target/52148
1391         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1392         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1393         r184615 from 2012-02-28.
1394
1395         Backport from 2012-03-08 mainline r185105.
1396
1397         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1398         for constants in [-63,63].
1399
1400         Backport from 2012-03-08 mainline r185100.
1401
1402         PR target/52496
1403         * config/avr/avr.c (avr_mem_clobber): New static function.
1404         (avr_expand_delay_cycles): Add memory clobber operand to
1405         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1406         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1407         (enable_interrupt, disable_interrupt): New expander.
1408         (nopv, sleep, wdr): New expanders.
1409         (delay_cycles_1): Add memory clobber.
1410         (delay_cycles_2): Add memory clobber.
1411         (delay_cycles_3): Add memory clobber.
1412         (delay_cycles_4): Add memory clobber.
1413         (cli_sei): New insn from former "enable_interrupt",
1414         "disable_interrupt" with memory clobber.
1415         (*wdt): New insn from former "wdt" with memory clobber.
1416         (*nopv): Similar, but for "nopv".
1417         (*sleep): Similar, but for "sleep".
1418
1419         Backport from 2012-03-07 mainline r185043.
1420
1421         PR target/52484
1422         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1423
1424         Backport from 2012-03-07 mainline r185032.
1425
1426         PR target/52506
1427         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1428         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1429         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1430
1431         Backport from 2012-03-07 mainline r185031.
1432
1433         PR target/52505
1434         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1435         from RAM.
1436         * config/avr/avr.md (xload_8): Adjust insn length.
1437
1438         Backport from 2012-03-07 mainline r185030.
1439
1440         PR target/52461
1441         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1442         if RAMPZ affects reading from RAM.
1443
1444         Backport from 2012-03-05 mainline r184919.
1445
1446         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1447
1448 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1449
1450         Backport from mainline r185259.
1451
1452         PR other/52545
1453         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1454         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1455
1456 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1457
1458         Backported from mainline
1459         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1460
1461         PR c/52577
1462         * c-parser.c (c_parser_postfix_expression)
1463         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1464
1465         * config/i386/smmintrin.h: Avoid /* within a comment.
1466         * config/i386/nmmintrin.h: Likewise.
1467
1468 2012-03-22  Richard Guenther  <rguenther@suse.de>
1469
1470         * BASE-VER: Set to 4.7.1.
1471         * DEV-PHASE: Set to prerelease.
1472
1473 2012-03-22  Release Manager
1474
1475         * GCC 4.7.0 released.
1476
1477 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1478
1479         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1480
1481 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1482             Andrew Pinski  <apinski@cavium.com>
1483
1484         PR middle-end/52592
1485         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1486         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1487         calls instead of __builtin_ir{int,ound}*.
1488
1489 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1490
1491         PR c++/52582
1492         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1493         if c_node is NULL.
1494
1495 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1496
1497         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1498         Refer to GCC 4.7 version of c99status.html.
1499
1500 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1501
1502         Backport from mainline
1503         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1504
1505         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1506         redefine to be NULL if the current bit-size is different from the
1507         configured bit-size.
1508
1509         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1510         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1511         set the default tuning.  Add asserts to make sure the cpu and tune
1512         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1513         test whether the index is set, instead of > 0.
1514         (rs6000_file_start): Do not reset the default cpu if the current
1515         bit-size is different from the configured bit-size.
1516
1517 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1518
1519         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1520         binutils reference.
1521         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1522         Update binutils references.
1523         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1524         Update binutils reference.
1525         Update Sun as/GNU ld caveat.
1526         Document binutils largefile requirement for LTO plugin.
1527         Remove reference to alternate libpthread.
1528
1529 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1530
1531         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1532         reference.
1533         (Specific, mips-sgi-irix6): Likewise.
1534
1535 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1536
1537         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1538         * configure: Regenerate.
1539
1540 2012-03-07  Richard Henderson  <rth@redhat.com>
1541
1542         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1543         * config/m68k/sync.md (atomic_test_and_set): Use it.
1544         (atomic_test_and_set_1): Likewise.
1545
1546 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1547
1548         PR target/51417
1549         * Makefile.in: Let install-gcc-ar depend on installdirs,
1550         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1551         Don't double canonicalize if cross-compiling.
1552
1553 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1554
1555         * trans-mem.c: New typedef for tm_region_p.
1556         Define vector types for tm_region_p.
1557         (tm_region_init): Replace region_worklist to a vector called
1558         bb_regions.
1559
1560 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1561
1562         PR middle-end/52463
1563         * trans-mem.c (tm_region_init): Use last_basic_block.
1564
1565 2012-03-05  Richard Henderson  <rth@redhat.com>
1566
1567         PR tree-opt/52242
1568         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1569         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1570         BIGGEST_ALIGNMENT is aligned.
1571
1572 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1573
1574         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1575
1576 2012-03-05  Richard Henderson  <rth@redhat.com>
1577
1578         PR target/52481
1579         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1580         instead of calling negqi2 directly.
1581
1582 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1583
1584         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1585         (INTMAX_TYPE): Use it.
1586         (UINTMAX_TYPE): Likewise.
1587         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1588         (irix6_c_common_override_options): Declare.
1589         (C_COMMON_OVERRIDE_OPTIONS): Define.
1590         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1591         * config/mips/irix6-c.c: New file.
1592         * config/mips/t-irix6 (irix6-c.o): New target.
1593         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1594         cxx_target_objs.
1595
1596 2012-03-02  Richard Henderson  <rth@redhat.com>
1597
1598         * optabs.c (expand_atomic_test_and_set): Honor
1599         atomic_test_and_set_trueval even when atomic_test_and_set
1600         optab is not in use.
1601
1602 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1603
1604         Backport from mainline
1605         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1606
1607         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1608
1609 2012-03-02  Richard Guenther  <rguenther@suse.de>
1610
1611         * DEV-PHASE: Set to prerelease.
1612
1613 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1614
1615         * config.gcc (obsolete): Add all ARM targets using the FPA.
1616         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1617         * doc/install.texi: Avoid references to obsolete ARM ports.
1618
1619 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1620
1621         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1622
1623 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1624             Joern Rennecke  <joern.rennecke@embecosm.com>
1625
1626         * doc/extend.texi: Expand and update information on interrupt
1627         attribute for Epiphany.
1628
1629 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1630
1631         * config/sh/sh-protos.h: Update copyright notice dates.
1632         * config/sh/sh.h: Likewise.
1633         * config/sh/sh.md: Likewise.
1634         * config/sh/constraints.md: Likewise.
1635         * config/sh/predicates.md: Likewise.
1636
1637 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1638
1639         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1640         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1641
1642 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1643
1644         * config/sh/constraints.md: Fix comment typo.
1645
1646 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1647
1648         PR target/52408
1649         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1650         unsigned HOST_WIDE_INT.
1651         (zvdep_imm64): Likewise.
1652         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1653         (vdepi_and): Likewise.
1654         Likewise for unamed 64-bit patterns.
1655         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1656
1657 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1658
1659         PR debug/52001
1660         PR rtl-optimization/52417
1661         * cselib.c (cselib_any_perm_equivs): New variable.
1662         (cselib_reset_table): Check that it's not set when not
1663         preserving constants.
1664         (cselib_add_permanent_equiv): Set it.
1665         (cselib_have_permanent_equivalences): New.
1666         (cselib_init, cselib_finish): Reset it.
1667         * cselib.h (cselib_have_permanent_equivalences): Declare.
1668         * alias.c (get_addr): Restore earlier behavior when there
1669         aren't permanent equivalences.
1670
1671 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1672
1673         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1674         * config/v850/v850-modes.def: Fix copyright notice.
1675
1676 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1677
1678         * doc/extend.texi (AVR Built-in Functions): Document
1679         __builtin_avr_flash_segment.
1680
1681         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1682         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1683         (*split.flash_segment): New insn-and-split.
1684         * config/avr/avr.c (avr_init_builtins): Add local variables:
1685         const_memx_void_node, const_memx_ptr_type_node,
1686         char_ftype_const_memx_ptr.
1687
1688 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1689
1690         PR tree-optimization/52445
1691         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1692         add ssa_name_ver, offset and size fields and change store field
1693         to bool.
1694         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1695         (add_or_mark_expr): Likewise.  Only consider previous stores
1696         with the same size and offset.
1697         (nt_init_block): Only look at gimple_assign_single_p stmts,
1698         doesn't look at rhs2.
1699
1700 2012-03-01  Richard Guenther  <rguenther@suse.de>
1701
1702         PR middle-end/52443
1703         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1704         conversions from integral types to pointer types.
1705
1706 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1707
1708         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1709         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1710         unintentionally removed in r184616.
1711
1712 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1713
1714         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1715         3DNow from bdver1.
1716
1717 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1718             Uros Bizjak  <ubizjak@gmail.com>
1719
1720         PR target/52437
1721         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1722         alternatives, add "e" constraint to the new last alternative
1723         and ! to last 3 alternatives.
1724
1725 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1726
1727         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1728         DW_AT_artificial attributes at the end of the processing.
1729         (gen_array_type_die): Likewise.
1730         (gen_enumeration_type_die): Likewise.
1731         (gen_struct_or_union_type_die): Likewise.
1732         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1733         the parent type.
1734
1735 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1736
1737         PR middle-end/52419
1738         * expr.c (expand_assignment): If doing misaligned store that doesn't
1739         cover all mode bits, perform a RMW cycle.
1740
1741         PR tree-optimization/52429
1742         * tree-parloops.c (separate_decls_in_region_debug): Return early
1743         if var is LABEL_DECL.
1744
1745 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1746
1747         PR tree-optimization/52424
1748         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1749         calling dom_thread_across_edge.
1750
1751 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1752
1753         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1754
1755 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1756
1757         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1758         * config/avr/avr.c (avr_output_bld): Remove unused function.
1759         (avr_out_sbxx_branch): Use "%T" to print bit position.
1760
1761 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1762
1763         * config/avr/avr.md: Untabify.
1764
1765 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1766
1767         * config/avr/avr.md (eqne): New code iterator.
1768         (*dec-and-branchsi): Use it in text peephole's condition.
1769         (*dec-and-branchhi): Ditto.
1770         (*dec-and-branchqi): Ditto.
1771
1772 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1773
1774         PR target/49939
1775         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1776         the device does not have the skip-bug.
1777
1778 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1779
1780         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1781         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1782         -mpretend-cmove): New.
1783
1784 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1785
1786         PR bootstrap/52397
1787         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1788         doesn't count DEBUG_INSN refs.
1789         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1790         for DEBUG_INSN refs.
1791
1792 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1793
1794         Partially revert:
1795
1796         2012-02-20  Richard Guenther  <rguenther@suse.de>
1797         PR tree-optimization/52298
1798         * tree-vect-stmts.c (vectorizable_load): Properly use
1799         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1800         outer loops.
1801
1802 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1803
1804         PR middle-end/51752
1805         * gimple.h (gimple_in_transaction): New.
1806         (gimple_set_in_transaction): New.
1807         (struct gimple_statement_base): Add in_transaction field.
1808         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1809         transaction loads.
1810         (tree_ssa_lim_initialize): Compute transaction bits.
1811         * tree.h (compute_transaction_bits): Protoize.
1812         * trans-mem.c (tm_region_init): Use the heap to store BB
1813         auxilliary data.
1814         (compute_transaction_bits): New.
1815
1816 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1817
1818         * gcc.c (display_help): Document --help=common and sort entries
1819         alphabetically.
1820
1821 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1822
1823         * doc/install.texi: Document check-$LANG specific shortcuts
1824
1825 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1826
1827         PR target/51534
1828         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1829         and vcgtu.
1830         * config/arm/arm_neon.h: Regenerate.
1831         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1832         (neon_vcgeu): New insn.
1833         (neon_vcgtu): Likewise.
1834         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1835         (ops): Unsigned comparison intrinsics call a different
1836         builtin.
1837
1838 2012-02-28  Richard Guenther  <rguenther@suse.de>
1839
1840         PR target/52407
1841         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1842         ordering for the VEC_CONCAT for two element vectors for
1843         V2SFmode, V2SImode and V2DImode.
1844
1845 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1846
1847         PR target/49448
1848         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1849         detecting big-endian triplets.
1850
1851 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1852
1853         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1854         mode if there is no type information available.
1855
1856 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1857
1858         PR tree-optimization/53207
1859         * doc/invoke.texi: Document as experimental and relying on graphite.
1860
1861 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1862
1863         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1864         of initializer to changes from r184614.
1865
1866 2012-02-28  Richard Guenther  <rguenther@suse.de>
1867
1868         PR tree-optimization/52395
1869         * tree-sra.c (build_ref_for_offset): Also look at the base
1870         TYPE_ALIGN when figuring out the alignment of the replacement.
1871
1872 2012-02-28  Richard Guenther  <rguenther@suse.de>
1873
1874         PR tree-optimization/52402
1875         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1876         mis-aligned types when creating the accesses at the call site.
1877
1878 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1879
1880         * config/avr/builtins.def: New file.
1881         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1882         * config/avr/avr.c (enum avr_builtin_id): Use it.
1883         (avr_init_builtins): Use it. And use avr_bdesc.
1884         (bdesc_1arg): Remove.
1885         (bdesc_2arg): Remove.
1886         (bdesc_3arg): Remove.
1887         (struct avr_builtin_description): Add field n_args.
1888         (avr_bdesc): New static variable using builtins.def.
1889         (avr_expand_builtin): Use it.
1890         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1891         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1892         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1893
1894 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1895
1896         PR target/52148
1897         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1898         match only one single hard register with respective hard reg rtx.
1899         (movmemx_<mode>): Ditto.
1900         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1901         insn anatomy of movmem[x]_<mode>.
1902         (avr_out_movmem): Same for printing assembler and operand usage.
1903
1904 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1905
1906         PR target/49868
1907         PR target/52261
1908         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1909         address spaces located outside of device flash.
1910
1911         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1912         (mcu_type_s): Add field n_flash.
1913         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1914         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1915         (AVR_MCU): Add N_FLASH argument.
1916         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1917         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1918         macro __FLASH<n> if that address space makes sense for the device.
1919         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1920         outside of target flash.
1921         (avr_asm_named_section): Ditto.
1922         (avr_asm_select_section): Ditto.
1923         (avr_addr_space_convert): Ditto.
1924         (avr_emit_movmemhi): Ditto.
1925         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1926         address space is outside of device flash.
1927         (avr_insert_attributes): Ditto.
1928         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1929         avr_current_arch->n_segments.
1930
1931 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1932
1933         PR target/52352
1934         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1935         TARGET_LP64.
1936         (*movabs<mode>_2): Likewise.
1937
1938 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1939
1940         PR target/52375
1941         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1942         s_register_operand in the test instead of REG_P.  Don't call
1943         gen_reg_rtx if it won't be used.
1944
1945         PR tree-optimization/52376
1946         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1947
1948 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1949
1950         * ifcvt.c (noce_get_condition): Check condition variable is not
1951         small_register_classes_for_mode_p before accepting.
1952
1953 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1954
1955         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1956
1957 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1958
1959         Revert:
1960         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1961         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1962         tuning parameters.
1963         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1964
1965 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1966
1967         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1968
1969 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1970
1971         * config/sh/predicates.md: Remove blank lines.
1972         * config/sh/sh.c: Fix typos in comments.
1973         * config/sh/constraints.md: Likewise.
1974         * config/sh/sh.md: Remove blank lines.
1975         Fix typos in comments.  Use ;; as comment characters.
1976
1977 2012-02-26  Walter Lee  <walt@tilera.com>
1978
1979         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1980         (replace_mov_pcrel_step2): Ditto.
1981
1982 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1983
1984         PR debug/52001
1985         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1986         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1987         and locs that reference values newer than the non-canonical value
1988         at hand.  Return the canonical value as a worst case.
1989         (memrefs_conflict_p): Walk canonical value's locs.
1990
1991         PR debug/52001
1992         * cselib.c (preserve_only_constants): Rename to...
1993         (preserve_constants_and_equivs): ... this.  Split out...
1994         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1995         of other preserved expressions too.
1996         (cselib_reset_table): Adjust.
1997         * var-tracking.c (reverse_op): Use canonical value to build
1998         reverse operation.
1999
2000 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2001
2002         * config/i386/i386.c (ix86_delegitimize_address): Handle
2003         UNSPEC_PCREL plus displacement.
2004
2005 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2006
2007         PR target/52261
2008         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2009         to test for unusedness in st X addressing.
2010
2011 2012-02-24  Richard Guenther  <rguenther@suse.de>
2012
2013         PR middle-end/52361
2014         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2015         (is_gimple_reg_type): Move inline ...
2016         * gimple.h (is_gimple_reg_type): ... here.
2017
2018 2012-02-24  Richard Guenther  <rguenther@suse.de>
2019
2020         PR middle-end/52361
2021         * passes.c (execute_function_todo): When verifying SSA form
2022         verify gimple form first.
2023         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2024
2025 2012-02-24  Richard Guenther  <rguenther@suse.de>
2026
2027         PR middle-end/52355
2028         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2029         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2030
2031 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2032
2033         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2034
2035 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2036
2037         * tree-phinodes.c (make_phi_node): Mark static.
2038         * tree-flow.h (make_phi_node): Remove extern decl.
2039         * doc/gimple.texi (make_phi_node): Remove documentation.
2040
2041 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2042
2043         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2044         * tree-ssa-sccvn.c (print_scc): Ditto.
2045
2046 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2047
2048         * doc/passes.texi (Full redundancy elimination): Fix typo.
2049
2050 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2051
2052         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2053
2054 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2055
2056         PR bootstrap/52287
2057         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2058
2059 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2060
2061         PR c/52290
2062         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2063
2064 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2065
2066         * config/avr/avr.md (code_stdname): Add ior, xor.
2067         (xior): New code iterator.
2068         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2069         (*<code_stdname><mode>qi.byte1-3): Ditto.
2070
2071 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2072
2073         PR tree-optimization/52019
2074         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2075         CLOBBER stmts.
2076
2077 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2078
2079         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2080         HAVE_INITFINI_ARRAY to work around namespace pollution in
2081         certain versions of newlib system headers.
2082         * config.in: Regenerate.
2083         * configure: Regenerate.
2084         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2085         instead of HAVE_INITFINI_ARRAY.
2086
2087 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2088
2089         PR target/52330
2090         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2091         is not offsettable memory reference.
2092
2093 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2094
2095         PR target/18145
2096         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2097         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2098
2099 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2100
2101         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2102         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2103
2104 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2105
2106         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2107         library on Solaris 8 even without TLS support.
2108         * configure: Regenerate.
2109
2110 2012-02-22  Richard Guenther  <rguenther@suse.de>
2111
2112         PR middle-end/52329
2113         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2114         for GIMPLE_DEBUG stmts.
2115
2116 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2117
2118         PR middle-end/51782
2119         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2120         according to the base object.
2121
2122 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2123
2124         PR rtl-optimization/50063
2125         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2126         and 2 (8-bit SP) in operand 2.
2127         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2128         setup to use movhi_sp_r instead of vanilla move to write SP.
2129         Adjust REG_CFA notes to superseed unspec.
2130         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2131         of vanilla move.
2132         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2133         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2134         irq_state 1 (IRQ known to be on) here.
2135
2136 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2137
2138         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2139         WORDS_BIG_ENDIAN.
2140         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2141         assign_hard_reg): Likewise.
2142
2143 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2144
2145         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2146
2147 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2148
2149         * config/avr/avr.md
2150         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2151         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2152
2153 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2154
2155         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2156         prototype from here to...
2157         * config/avr/avr.h: ...here.
2158
2159 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2160
2161         PR target/52294
2162         * thumb2.md (thumb2_shiftsi3_short): Split register and
2163         immediate shifts.  For register shifts tie operands 0 and 1.
2164         (peephole2 for above): Check that register-controlled shifts
2165         have suitably tied operands.
2166
2167 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2168
2169         PR target/52137
2170         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2171         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2172         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2173         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2174         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2175         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2176         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2177         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2178         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2179         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2180         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2181         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2182         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2183         bdver1_ssevector_avx256_unaligned_load,
2184         bdver1_ssevector_sse128_unaligned_load,
2185         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2186         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2187         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2188         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2189         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2190         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2191         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2192         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2193         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2194         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2195         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2196         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2197         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2198         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2199         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2200         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2201         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2202         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2203         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2204         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2205         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2206         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2207         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2208         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2209         bdver1_ssediv_double_load, bdver1_ssediv_double,
2210         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2211         Add "bdver2" attribute.
2212
2213 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2214
2215         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2216         default if possible and not specified otherwise.
2217
2218 2012-02-21  Richard Guenther  <rguenther@suse.de>
2219
2220         PR middle-end/52314
2221         * gimplify.c (create_tmp_from_val): Use the main variant type
2222         for the type of the temporary we create.
2223
2224 2012-02-21  Richard Guenther  <rguenther@suse.de>
2225
2226         PR tree-optimization/52324
2227         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2228         do not gimplify a MEM_REF address operand if it is already
2229         in suitable form.
2230
2231 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2232
2233         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2234         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2235
2236 2012-02-21  Richard Guenther  <rguenther@suse.de>
2237
2238         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2239         nested_in_vect_loop.
2240
2241 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2242
2243         PR tree-optimization/52318
2244         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2245         vdef also to non-pure/const call stmts in the sequence.
2246
2247 2012-02-20  David S. Miller  <davem@davemloft.net>
2248
2249         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2250         don't use the "rd %pc" instruction on v9 for PIC register loads.
2251
2252 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2253
2254         PR middle-end/52141
2255         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2256         in a transaction safe function.
2257
2258 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2259
2260         PR target/52238
2261         * stor-layout.c (place_field): Handle desired_align for
2262         ms-bitfields, too.
2263
2264 2012-02-20  Richard Guenther  <rguenther@suse.de>
2265
2266         PR tree-optimization/52298
2267         * tree-vect-stmts.c (vectorizable_store): Properly use
2268         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2269         outer loops.
2270         (vectorizable_load): Likewise.
2271         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2272         Access DR_STEP after ensuring it is not NULL.
2273
2274 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2275
2276         PR tree-optimization/52286
2277         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2278         optimization use double_int_to_tree instead of build_int_cst_wide,
2279         rewrite to use double_int vars.
2280
2281 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2282
2283         PR target/50166
2284         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2285         Define _start.
2286         Remove -e 0 from $gcc_cv_ld invocation.
2287         Only use __GLIBC_PREREQ if defined.
2288         Enable on Solaris since Solaris 8 patch.
2289         (gcc_SUN_LD_VERSION): New macro.
2290         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2291         gcc_SUN_LD_VERSION for version number format.
2292         * configure: Regenerate.
2293         * varasm.c (get_elf_initfini_array_priority_section): Set
2294         SECTION_NOTYPE for non-default priority.
2295         Use get_section instead of get_unnamed_section to emit
2296         .init_array/.fini_array with default priority.
2297
2298 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2299
2300         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2301         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2302         (mips_start_unique_function, mips_output_mips16_rdhwr)
2303         (mips_code_end): New functions.
2304         (TARGET_ASM_CODE_END): Define.
2305
2306 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2307
2308         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2309         to stubs with non-sibling calls.
2310
2311 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2312
2313         * doc/invoke.texi (-fira-* options): Copy-edit.
2314         (ira-* parameters): Copy-edit.
2315
2316 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2317
2318         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2319         GCC coding conventions.
2320
2321 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2322
2323         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2324         when used as adjectives.
2325
2326 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2327
2328         * doc/invoke.texi: Clean up "that"/"which" confusion.
2329
2330 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2331
2332         * system.h: Poison SMALL_REGISTER_CLASSES
2333         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2334         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2335
2336 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2337
2338         PR tree-optimization/52285
2339         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2340         when deciding if a call is a tail call or tail recursion.
2341
2342 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2343
2344         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2345         interger-constant displacement for UNSPEC_PCREL.
2346
2347 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2348
2349         PR rtl-optimization/52208
2350         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2351         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2352
2353         PR tree-optimization/52255
2354         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2355         loop->header has virtual PHI, but exit_e->dest doesn't, add
2356         virtual PHI to exit_e->dest and adjust all uses after the loop.
2357
2358         PR debug/52260
2359         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2360         children with clone_tree_hash, not after it.
2361
2362 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2363
2364         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2365         extended identifiers.
2366
2367 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2368
2369         PR middle-end/51929
2370         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2371         a same_body_alias, also test whether e->callee isn't a former
2372         or current clone of the decl this is a same body alias of.
2373
2374         PR translation/52264
2375         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2376
2377 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2378
2379         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2380
2381 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2382
2383         PR target/52199
2384         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2385         force_reg instead of copy_to_reg for better optimization.  Force
2386         non-register or memory operands into a register.
2387
2388 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2389
2390         * extend.texi: Reserve upper bits of memory model for future use.
2391
2392 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2393             Anatoly Sokolov <aesok@post.ru>
2394             Eric Weddington <eric.weddington@atmel.com>
2395
2396         PR target/52261
2397         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2398         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2399         Rewrite initializers for .macro.
2400         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2401         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2402         atxmega32d4, atxmega32x1.
2403         avrxmega4: atxmega64a3, atxmega64d3.
2404         avrxmega5: atxmega64a1, atxmega64a1u.
2405         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2406         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2407         avrxmega7: atxmega128a1, atxmega128a1u.
2408         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2409         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2410         (struct base_arch_s): Rename reserved to xmega_p.
2411         Rename reserved2 to have_rampd.
2412         (AVR_XMEGA): New define.
2413         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2414         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2415         * config/avr/predicates.md (io_address_operand): Take into
2416         account SFR offset.
2417         (low_io_address_operand): Ditto.
2418         (high_io_address_operand): Ditto.
2419         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2420         (enabled, movhi_sp_r): Use them.
2421         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2422         cpp_define_formatted to built-in define __AVR_ARCH__.
2423         (__AVR_XMEGA__): New built-in define.
2424         (__AVR_HAVE_RAMPD__): New built-in define.
2425         (__AVR_HAVE_RAMPX__): New built-in define.
2426         (__AVR_HAVE_RAMPY__): New built-in define.
2427         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2428
2429         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2430         (avr_option_override): Initialize them.
2431         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2432         (avr_init_expanders): Initialize them. No more block several calls.
2433         (emit_push_sfr): New static function.
2434         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2435         Handle AVR_XMEGA.
2436         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2437         (avr_print_operand): Print addreeses as symbols for
2438         RAMPX, RAMPY, RAMPD, CCP.
2439         (output_movhi): Handle AVR_XMEGA when writing to SP.
2440         (avr_out_movhi_mr_r_xmega): New static function.
2441         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2442         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2443         __RAMPD__,  __CCP__ as needed.
2444
2445         * config/avr/multilib.h: Regenerate.
2446         * config/avr/t-multilib: Regenerate.
2447         * config/avr/avr-tables.opt: Regenerate.
2448
2449 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2450
2451         PR tree-optimization/50561
2452         * graphite-flattening.c (lst_project_loop): Do not
2453         remove old scattering dimensions after flattening.
2454         (lst_do_flatten): Likewise.
2455
2456 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2457
2458         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2459         __builtin_avr_map8, __builtin_avr_map16.
2460         Document __builtin_avr_insert_bits.
2461
2462         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2463         (insert_bits): New insn.
2464         (adjust_len.map_bits): Rename to insert_bits.
2465         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2466         * avr-protos.h (avr_out_map_bits): Remove.
2467         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2468         * config/avr/constraints.md (Cxf,C0f): New.
2469         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2470         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2471         New built-in define __BUILTIN_AVR_INSERT_BITS.
2472         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2473         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2474         (avr_move_bits): Rewrite.
2475         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2476         functions.
2477         (avr_map_op_t): New typedef.
2478         (avr_map_op): New static variable.
2479         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2480         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2481         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2482         (bdesc_3arg, avr_expand_triop_builtin): New.
2483         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2484         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2485         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2486         (avr_map_equal_p, avr_map_sig_p): Remove.
2487         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2488         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2489         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2490         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2491         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2492         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2493
2494 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2495
2496         * config/c6x/c6x.md (reserve_cycles): New attribute.
2497         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2498         don't reserve functional units after the branch occurs.
2499
2500 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2501
2502         PR middle-end/52142
2503         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2504         functions into non-tm_pure functions.
2505
2506 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2507
2508         PR lto/52178
2509         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2510         (iterative_hash_canonical_type): Likewise.
2511         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2512         the dead edges.
2513
2514 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2515
2516         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2517         sched-group insn, it either remains alone or the entire list is pruned.
2518
2519 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2520
2521         * doc/install.texi (Prerequisites): Fix grammar.
2522         (Configuration): Likewise.
2523
2524 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2525
2526         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2527         MPC as part of GCC before describing configuring with --with-gmp etc.
2528         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2529         sources are present.
2530
2531 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2532
2533         PR debug/51950
2534         * dwarf2out.c (clone_tree_hash): New function.
2535         (copy_decls_walk): Use it instead of clone_tree.
2536
2537 2012-02-14  Richard Guenther  <rguenther@suse.de>
2538
2539         PR tree-optimization/52244
2540         PR tree-optimization/51528
2541         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2542         replacements for integral types.
2543
2544 2012-02-14  Walter Lee  <walt@tilera.com>
2545
2546         * config.gcc: Handle tilegx and tilepro.
2547         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2548         tilegx and tilepro.
2549         Add HAVE_AS_TLS check for tilegx and tilepro.
2550         * configure: Regenerate.
2551         * doc/contrib.texi: Add Mat Hostetter and self.
2552         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2553         Document instruction intrinsics and network accessing intrinsics.
2554         (TILEPro Built-in Functions): New node.  Document instruction
2555         intrinsics and network accessing intrinsics.
2556         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2557         (Specific, tilepro-*-linux*): Likewise.
2558         * doc/invoke.texi (TILE-Gx Options): New section.
2559         (TILEPro Options): New section.
2560         * doc/md.texi (TILE-Gx): New section.
2561         (TILEPro): New section.
2562         * common/config/tilegx/tilegx-common.c: New file.
2563         * common/config/tilepro/tilepro-common.c: New file.
2564         * config/tilegx/constraints.md: New file.
2565         * config/tilegx/linux.h: New file.
2566         * config/tilegx/mul-tables.c: New file.
2567         * config/tilegx/predicates.md: New file.
2568         * config/tilegx/sync.md: New file.
2569         * config/tilegx/t-tilegx: New file.
2570         * config/tilegx/tilegx-builtins.h: New file.
2571         * config/tilegx/tilegx-c.c: New file.
2572         * config/tilegx/tilegx-generic.md: New file.
2573         * config/tilegx/tilegx-modes.def: New file.
2574         * config/tilegx/tilegx-multiply.h: New file.
2575         * config/tilegx/tilegx-protos.h: New file.
2576         * config/tilegx/tilegx.c: New file.
2577         * config/tilegx/tilegx.h: New file.
2578         * config/tilegx/tilegx.md: New file.
2579         * config/tilegx/tilegx.opt: New file.
2580         * config/tilepro/constraints.md: New file.
2581         * config/tilepro/gen-mul-tables.cc: New file.
2582         * config/tilepro/linux.h: New file.
2583         * config/tilepro/mul-tables.c: New file.
2584         * config/tilepro/predicates.md: New file.
2585         * config/tilepro/t-tilepro: New file.
2586         * config/tilepro/tilepro-builtins.h: New file.
2587         * config/tilepro/tilepro-c.c: New file.
2588         * config/tilepro/tilepro-generic.md: New file.
2589         * config/tilepro/tilepro-modes.def: New file.
2590         * config/tilepro/tilepro-multiply.h: New file.
2591         * config/tilepro/tilepro-protos.h: New file.
2592         * config/tilepro/tilepro.c: New file.
2593         * config/tilepro/tilepro.h: New file.
2594         * config/tilepro/tilepro.md: New file.
2595         * config/tilepro/tilepro.opt: New file.
2596
2597 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2598
2599         PR tree-optimization/52210
2600         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2601         vect_model_simple_cost with two entry vect_def_type array instead
2602         of an address of dt.
2603
2604 2012-02-14  Richard Guenther  <rguenther@suse.de>
2605
2606         PR lto/52178
2607         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2608         Do not stream DECL_QUALIFIER.
2609         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2610         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2611         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2612
2613 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2614
2615         PR c/52181
2616         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2617         newdecl.
2618
2619 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2620
2621         PR bootstrap/52172
2622         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2623         * cselib.c (cselib_subst_to_values_from_insn): New function.
2624         * sched-deps.c (add_insn_mem_dependence,
2625         sched_analyze_1, sched_analyze_2): Use it.
2626
2627 2012-02-13  Jan Hubicka  <jh@suse.cz>
2628
2629         PR middle-end/52214
2630         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2631
2632 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2633
2634         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2635         (GTM_SELF_SPECS): Define if not already defined.
2636         (driver_self_specs): Add GTM_SELF_SPECS.
2637         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2638         (GTM_SELF_SPECS): Define.
2639         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2640         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2641
2642 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2643
2644         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2645         away if seen.
2646
2647         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2648
2649         PR middle-end/52230
2650         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2651         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2652
2653 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2654
2655         PR c/52190
2656         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2657
2658 2012-02-13  Richard Guenther  <rguenther@suse.de>
2659
2660         PR translation/52211
2661         * passes.c (enable_disable_pass): Fix typo.
2662
2663 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2664
2665         PR middle-end/52209
2666         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2667         XOR for reduce_bit_field if type is unsigned.
2668
2669 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2670
2671         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2672         disallow changes from SFmode to mode with different size in FP regs.
2673
2674 2012-02-12  Robert Millan  <rmh@gnu.org>
2675             Gerald Pfeifer <gerald@pfeifer.com>
2676
2677         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2678         Tweak comment.
2679
2680 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2681
2682         PR rtl-optimization/52175
2683         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2684         to frame-related instructions.
2685
2686 2012-02-10  Jason Merrill  <jason@redhat.com>
2687
2688         PR c++/51910
2689         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2690         (demangle_new_symbols): Fill it.
2691         (scan_linker_output): Walk it.
2692         (start_tweaking): Split out from scan_linker_output.
2693         (maybe_tweak): Update sym->chosen.
2694         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2695
2696 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2697
2698         PR debug/52132
2699         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2700
2701 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2702
2703         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2704         having the same mode as previous compare.
2705
2706 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2707
2708         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2709         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2710         (nonlocal_goto_internal): Likewise.
2711         (nonlocal_goto): Emit a use and an indirect jump directly.
2712
2713 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2714
2715         PR c/52190
2716         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2717         __atomic_{is,always}_lock_free.
2718
2719 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2720
2721         PR target/52146
2722         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2723         negative constant address for x32.
2724
2725 2012-02-10  Richard Henderson  <rth@redhat.com>
2726
2727         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2728         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2729         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2730
2731 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2732             Ira Rosen  <irar@il.ibm.com>
2733
2734         PR tree-optimization/50031
2735         * targhooks.c (default_builtin_vectorization_cost): Handle
2736         vec_promote_demote.
2737         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2738         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2739         all types of reduction and pattern statements.
2740         (vect_estimate_min_profitable_iters): Likewise.
2741         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2742         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2743         for explicit realigns.
2744         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2745         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2746         vec_promote_demote.
2747         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2748         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2749         vec_perm for VSX and handle vec_promote_demote.
2750
2751 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2752
2753         PR middle-end/52177
2754         * builtins.c (fold_builtin_atomic_always_lock_free,
2755         expand_builtin_atomic_always_lock_free,
2756         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2757         Return and/or test boolean_true_node/boolean_false_node instead of
2758         integer_one_node/integer_zero_node.
2759
2760 2012-02-10  Jan Hubicka  <jh@suse.cz>
2761
2762         PR middle-end/48600
2763         * predict.c (predict_paths_for_bb): Prevent looping.
2764         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2765
2766 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2767
2768         * config/arm/arm.c (output_move_double): In one case properly
2769         count number of instructions that will be emitted.
2770
2771 2012-02-10  Richard Guenther  <rguenther@suse.de>
2772
2773         PR translation/52193
2774         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2775
2776 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2777
2778         PR middle-end/52140
2779         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2780
2781 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2782
2783         PR debug/52165
2784         * var-tracking.c (emit_note_insn_var_location): If
2785         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2786         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2787         non-NOTE_DURING_CALL_P insn.
2788
2789 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2790
2791         PR middle-end/51867
2792         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2793
2794 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2795
2796         PR driver/48524
2797         * gcc.c (switch_matches) Support switches with separated form,
2798         -D and -U.
2799
2800 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2801
2802         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2803         (SP_ADDR): Ditto.
2804         (RAMPZ_ADDR): Ditto.
2805         * config/avr/avr.c (avr_addr_t): New typedef.
2806         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2807         (avr_init_expanders): Initialize it.
2808         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2809         SREG_ADDR.
2810         (expand_epilogue): Ditto.
2811         (avr_print_operand): Ditto.
2812         (avr_file_start): Ditto.
2813         (avr_emit_movmemhi): Ditto.
2814
2815 2012-02-08  Richard Guenther  <rguenther@suse.de>
2816
2817         PR tree-optimization/46886
2818         * tree-flow.h (do_while_loop_p): Declare.
2819         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2820         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2821
2822 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2823
2824         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2825         always succeed for integers larger than a native word.
2826
2827 2012-02-08  Richard Guenther  <rguenther@suse.de>
2828
2829         PR rtl-optimization/52170
2830         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2831         properly handle integer vector modes.
2832
2833 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2834
2835         PR gcov-profile/52150
2836         * coverage.c: Include target.h.
2837         (build_var): Call targetm.strip_name_encoding on the assembler name.
2838         Change one _ into . or $ if the target allows it.
2839         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2840
2841         PR rtl-optimization/52139
2842         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2843         is a BARRIER after emit_insn_after_noloc, move BB_END
2844         to the last non-BARRIER insn before it.
2845
2846 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2847
2848         PR middle-end/24306
2849         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2850         (mips_gimplify_va_arg_expr): Call it instead of
2851         std_gimplify_va_arg_expr.
2852
2853 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2854
2855         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2856         message for -mno-pointers-to-nested-function.
2857
2858 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2859
2860         PR middle-end/51994
2861         * expr.c (get_inner_reference): If there is an offset, add a negative
2862         bit position to it (if any).
2863
2864 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2865
2866         PR rtl-optimization/52060
2867         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2868         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2869         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2870         and/or i0src_copy2 when needed.
2871
2872 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2873
2874         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2875         or LTOPLUGINSONAME if have_c.
2876
2877         * config/freebsd-spec.h: Add comment about what macros can be defined
2878         in this header.
2879         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2880         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2881         here instead.
2882
2883 2012-02-07  Richard Guenther  <rguenther@suse.de>
2884
2885         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2886         newline in -alias dumps.
2887
2888 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2889             Dave Korn  <dave.korn.cygwin@gmail.com>
2890
2891         PR target/40068
2892         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2893         Take care that typinfo gets dllexport-attribute.
2894
2895 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2896
2897         PR middle-end/52074
2898         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2899         if modifier < EXPAND_SUM call force_operand on the result.
2900
2901 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2902
2903         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2904         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2905         present.
2906         (epiphany_function_type): Replace types for specific interrupts with
2907         EPIPHANY_FUNCTION_INTERRUPT.
2908         (EPIPHANY_INTERRUPT_P): Update.
2909         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2910         New static function.
2911         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2912         <disinterrupt>: Affects type identity.
2913         (epiphany_handle_interrupt_attribute): Handle variable number of
2914         arguments.
2915         (epiphany_compute_function_type): Update for new
2916         epiphany_function_type definition.
2917         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2918         handlers with a longcall forwarder.
2919         (epiphany_start_function): Handle multiple interrupt arguments and/or
2920         forwarder_section attribute.
2921
2922         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2923         libgloss.
2924
2925 2012-02-07  Alan Modra  <amodra@gmail.com>
2926
2927         PR target/52107
2928         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2929         subregs of TFmode.
2930
2931 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2932
2933         PR tree-optimization/50969
2934         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2935         use vec_perm rather than vector_stmt.
2936         (vect_model_load_cost): Likewise.
2937         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2938         vec_perm to be the same as other vector statements.
2939         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2940         cost of vec_perm for TARGET_VSX.
2941
2942 2012-02-06  Richard Guenther  <rguenther@suse.de>
2943
2944         PR tree-optimization/52115
2945         * tree-sra.c (access_has_replacements_p): New function.
2946         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2947
2948 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2949
2950         PR middle-end/52047
2951         * trans-mem.c (expand_call_tm): Add an assertion.
2952         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2953         functions.
2954
2955 2012-02-06  Richard Guenther  <rguenther@suse.de>
2956
2957         PR tree-optimization/50955
2958         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2959         raise cost of expressions that replace an address with an
2960         expression based on a different pointer.
2961
2962 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2963
2964         PR target/52129
2965         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2966         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2967
2968 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2969
2970         PR c++/48680
2971         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2972         -Weffc++ and specify guidelines come from second edition.
2973
2974 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2975
2976         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2977         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2978         (call_direct_split, call_value_split, call_value_internal_direct)
2979         (call_value_direct_split, call_value_multiple_split): Use jal and
2980         jal_macro attributes.
2981
2982 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2983
2984         * reload1.c (reload_regs_reach_end_p): Replace with...
2985         (reload_reg_rtx_reaches_end_p): ...this function.
2986         (new_spill_reg_store): Update commentary.
2987         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2988         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2989         before setting new_spill_reg_store.
2990         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2991         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2992         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2993         for non-spill reload registers.
2994
2995 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2996
2997         PR tree-optimization/52091
2998         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2999         (vect_is_simple_use_1): Likewise.
3000         * tree-vect-loop.c (vectorizable_reduction): Update calls
3001         to vect_is_simple_use_1 and vect_is_simple_use.
3002         (vectorizable_live_operation): Likewise.
3003         * tree-vect-patterns.c (widened_name_p,
3004         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3005         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3006         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3007         vectorizable_shift,vectorizable_operation, vectorizable_store,
3008         vectorizable_load): Likewise.
3009         (vect_is_simple_cond): Add an argument, pass it to
3010         vect_is_simple_use_1.
3011         (vectorizable_condition): Update calls to vect_is_simple_cond,
3012         vect_is_simple_use.
3013         (vect_is_simple_use): Add an argument, the statement in which
3014         OPERAND is used.  Check that if OPERAND's def stmt is a double
3015         reduction phi node, the use is a phi node too.
3016         (vect_is_simple_use_1): Add an argument, pass it to
3017         vect_is_simple_use.
3018         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3019         to vect_is_simple_use.
3020
3021 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3022
3023         PR rtl-optimization/52095
3024         * modulo-sched.c (dump_insn_locator): New function.
3025         (loop_canon_p, sms_schedule): Use it.
3026
3027         PR rtl-optimization/52113
3028         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3029         even for decomposable shift/zext insns.
3030
3031 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3032             Zdenek Dvorak  <ook@ucw.cz>
3033
3034         PR rtl-optimization/52092
3035         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3036         on get_iv_value result.
3037
3038 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3039
3040         PR middle-end/47982
3041         PR middle-end/43967
3042         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3043
3044 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR middle-end/48071
3047         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3048
3049 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3050
3051         PR rtl-optimization/49800
3052         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3053         (sched_finish): Call regstat_free_n_sets_and_refs.
3054
3055 2012-02-02  Jia Liu  <proljc@gmail.com>
3056
3057         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3058         than operand 2.
3059
3060 2012-02-02  Jan Hubicka  <jh@suse.cz>
3061             Tom de Vries  <tom@codesourcery.com>
3062
3063         PR middle-end/51998
3064         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3065         * varpool.c (varpool_analyze_pending_decls): Likewise.
3066
3067 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3068             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3069
3070         * config.gcc: Add cr16-* support.
3071
3072         * doc/extend.texi: Document cr16 extensions.
3073         * doc/install.texi: Document cr16 install.
3074         * doc/invoke.texi: Document cr16 options.
3075         * doc/md.texi: Document cr16 constraints.
3076
3077         * common/config/cr16/cr16-common.c: New file.
3078         * config/cr16/cr16.c: New file.
3079         * config/cr16/cr16.h: New file.
3080         * config/cr16/cr16.md: New file.
3081         * config/cr16/cr16.opt: New file.
3082         * config/cr16/cr16-protos.h: New file.
3083         * config/cr16/predicates.md: New file.
3084         * config/cr16/constraints.md: New file.
3085         * config/cr16/t-cr16: New file.
3086
3087 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3088
3089         PR target/52086
3090         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3091         that operands[2] is either immediate, or q_regs_operand.
3092
3093         PR tree-optimization/52073
3094         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3095         a pattern stmt for pattern uses, ignore uses outside of the loop.
3096
3097 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3098
3099         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3100         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3101         (OUT_AS1, OUT_AS2): Remove.
3102
3103 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3104
3105         PR rtl-optimization/51374
3106         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3107         to cross other volatile_refs_p insns.
3108
3109 2012-02-01  Richard Guenther  <rguenther@suse.de>
3110
3111         * doc/invoke.texi (fno-inline): Clarify documentation.
3112         (finline-small-functions): Likewise.
3113         (finline-functions): Likewise.
3114         * common.opt (finline): Adjust comment and documentation.
3115         (finline-small-functions): Clarify documentation.
3116         (finline-functions): Likewise.
3117         (finline-functions-called-once): Likewise.
3118
3119 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3120
3121         * c-typeck.c (composite_type): Keep mode for pointers.
3122
3123 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3124
3125         * function.h (regno_reg_rtx): Adjust comment.
3126         * reginfo.c (init_reg_modes_target): Only use the previous mode
3127         if it fits within one register.  Remove MIPS comment.
3128
3129 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3130
3131         PR bootstrap/52058
3132         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3133
3134 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3135
3136         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3137         to srak instruction.
3138
3139 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3140
3141         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3142
3143 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR bootstrap/52041
3146         PR bootstrap/52039
3147         PR target/51974
3148         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3149
3150 2012-01-31  Richard Guenther  <rguenther@suse.de>
3151
3152         PR tree-optimization/51528
3153         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3154         assigns.
3155
3156 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3157
3158         PR bootstrap/52041
3159         PR bootstrap/52039
3160         PR target/51974
3161         * ree.c (add_removable_extension): Change def_map argument
3162         to unsigned *, store in def_map 1 + offset into *insn_list vector
3163         instead of pointers into the vector.
3164         (find_removable_extensions): Adjust caller.
3165
3166 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3167
3168         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3169         Transform all "* quoted-c-code" to { c-code }.
3170         Remove redundant test for "optimize" in combine patterns.
3171         Move (include "avr-dimode.md") to end of file.
3172
3173 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3174
3175         PR target/51835
3176         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3177         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3178
3179 2012-01-30  Richard Guenther  <rguenther@suse.de>
3180
3181         PR tree-optimization/52028
3182         * tree-loop-distribution.c (ldist_gen): Properly update
3183         virtual SSA form.
3184
3185 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3186
3187         PR debug/52027
3188         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3189         set_cur_line_info_table if not emitting debug info.
3190
3191         PR tree-optimization/52046
3192         * tree-vect-patterns.c (check_bool_pattern): Give up if
3193         a comparison could throw.
3194
3195         PR debug/52048
3196         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3197
3198 2012-01-30  Richard Guenther  <rguenther@suse.de>
3199
3200         PR tree-optimization/52045
3201         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3202         SSA form if cfgcleanup did anything.
3203
3204 2012-01-30  Richard Guenther  <rguenther@suse.de>
3205
3206         PR tree-optimization/52045
3207         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3208         before computing final todo.
3209
3210 2012-01-30  Richard Guenther  <rguenther@suse.de>
3211
3212         PR tree-optimization/51528
3213         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3214         for PR51528 fix.
3215
3216 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3217
3218         * df-problems.c (df_kill_notes): Check that the use refers
3219         to the note under examination.
3220
3221 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3222
3223         PR target/51920
3224         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3225         parameter and use short-lived pseudos.
3226         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3227         (sparc_expand_vector_init): Const-ify local variables and adjust
3228         calls to above functions.
3229
3230 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3231
3232         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3233
3234 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3235
3236         * doc/invoke.texi: Make usage of "compile time" and
3237         "run time"/"runtime" consistent throughout the file.
3238
3239 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3240
3241         * config/alpha/alpha.c (alpha_option_override): Default to
3242         full IEEE compliance mode for Go language.
3243
3244 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3245
3246         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3247         (LINK_SSP_SPEC): Define.
3248
3249 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3250
3251         PR target/51871
3252         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3253         stubs.
3254
3255 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3256
3257         * doc/invoke.texi: Correct hyphenation of "floating point",
3258         "double precision", and related terminology throughout the file.
3259
3260 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3261
3262         PR target/52006
3263         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3264         arm_general_register_operand predicate for operand 2 instead of
3265         register_operand.
3266
3267 2012-01-27  Ian Lance Taylor  <iant@google.com>
3268
3269         PR go/47656
3270         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3271         * builtins.c (expand_builtin_init_trampoline): Add onstack
3272         parameter.  Change caller.
3273         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3274         * tree.c (build_common_builtin_nodes): Declare
3275         __builtin_init_heap_trampoline.
3276
3277 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3278
3279         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3280         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3281         * config/avr/avr.c: Ditto.
3282         (avr_regnames): Remove because unused.
3283         * config/avr/avr.md (*cpse.ne): New peephole.
3284         (*cpse.eq): New peephole from former cpse peepholes.
3285
3286 2012-01-27  Michael Eager  <eager@eagercon.com>
3287
3288         * config/microblaze.c (microblaze_emit_compare): Correct
3289         test after pcmp instruction.
3290
3291 2012-01-27  Richard Guenther  <rguenther@suse.de>
3292
3293         PR tree-optimization/52020
3294         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3295
3296 2012-01-27  Richard Guenther  <rguenther@suse.de>
3297
3298         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3299         function non-const/pure.
3300
3301 2012-01-27  Richard Guenther  <rguenther@suse.de>
3302
3303         PR tree-optimization/50444
3304         * tree-sra.c (build_ref_for_offset): Properly adjust the
3305         MEM_REF type for unaligned accesses.
3306
3307 2012-01-27  Richard Guenther  <rguenther@suse.de>
3308
3309         PR tree-optimization/50444
3310         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3311         (expand_assignment): Use it.  Properly handle misaligned
3312         bases when expanding stores to component references.
3313         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3314         refactor that case.
3315
3316 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3317
3318         PR middle-end/51389
3319         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3320         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3321         * tree-data-ref.c (find_data_references_in_loop): Make static.
3322         (compute_all_dependences): Change return type to bool.  Bail out
3323         for too many datarefs in a loop.  Move the hunk resetting the data
3324         dependences vector from ...
3325         (compute_data_dependences_for_loop): ... here.  Account for
3326         compute_all_dependences returning false.
3327         (compute_data_dependences_for_bb): Likewise.
3328         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3329         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3330
3331 2012-01-27  Richard Guenther  <rguenther@suse.de>
3332
3333         PR middle-end/51959
3334         * expr.c (store_field): Use the alias-set of the scratch memory
3335         for storing to it.
3336
3337 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3338
3339         PR tree-optimization/51990
3340         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3341         WITH_SIZE_EXPR.
3342         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3343
3344 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3345
3346         PR debug/52001
3347         * var-tracking.c (reverse_op): Don't add any reverse operation
3348         if V already has any constant locations.
3349
3350 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3351
3352         * doc/invoke.texi: Correct usage of "command line" (noun)
3353         vs "command-line" (adjective) throughout.
3354
3355 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3356
3357         * doc/invoke.texi (Language Independent Options): Move
3358         -Wcoverage-mismatch blurb from here....
3359         (Warning Options): ...to here.
3360
3361 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3362
3363         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3364         Set rs6000_always_hint to false for 476.
3365
3366 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3367
3368         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3369           system root.
3370         * incpath.c (add_standard_paths): Likewise.
3371
3372 2012-01-27  Richard Henderson  <rth@redhat.com>
3373
3374         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3375         * config/m68k/sync.md (atomic_test_and_set): Rename from
3376         sync_test_and_setqi and adjust the operands.
3377         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3378         and unconditionally enable.
3379
3380 2012-01-27  Richard Henderson  <rth@redhat.com>
3381
3382         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3383         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3384         (ldstub): Rename from ldstubqi.
3385         (ldstub<I24MODE>): Remove.
3386
3387 2012-01-27  Richard Henderson  <rth@redhat.com>
3388
3389         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3390         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3391         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3392         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3393         * doc/tm.texi: Rebuild.
3394
3395 2012-01-27  Richard Henderson  <rth@redhat.com>
3396
3397         * optabs.c (gen_atomic_test_and_set): Remove default.
3398         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3399
3400 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3401
3402         PR rtl-optimization/51978
3403         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3404         (combine_reaching_defs): Likewise.
3405         (struct re_info): Remove.
3406         (add_removable_extension): Remove x and data arguments,
3407         add insn, insn_list and def_map.  Use the arguments directly
3408         instead of using struct re_info.
3409         (find_removable_extensions): Don't call add_removable_extension
3410         through note_stores, instead just call it with single_set
3411         result if non-NULL.
3412         (find_and_remove_re): Pass curr_cand->expr instead of
3413         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3414
3415 2012-01-26  Michael Matz  <matz@suse.de>
3416
3417         PR tree-optimization/46590
3418         * cfgexpand.c: Revert last change (r183305).
3419         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3420         regs.
3421         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3422         checking for emptiness.
3423
3424 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3425
3426         PR middle-end/51895
3427         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3428         non-addressable non-BLKmode base correctly.
3429
3430 2012-01-26  Michael Matz  <matz@suse.de>
3431
3432         PR tree-optimization/48794
3433         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3434         regions referenced from RESX/EH_DISPATCH.
3435
3436 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3437
3438         * config/s390/s390.h: Make BRANCH_COST an option.
3439         * config/s390/s390.opt: New option -mbranch-cost.
3440
3441 2012-01-26  Richard Henderson  <rth@redhat.com>
3442
3443         Revert 2012-01-24 change:
3444         * trans-mem.c (requires_barrier): Do not instrument thread local
3445         variables and emit save/restore for them.
3446
3447 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3448
3449         PR middle-end/51986
3450         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3451         for pat == 0.
3452
3453 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3454
3455         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3456         ASM_OPERANDS.
3457
3458 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3459
3460         PR target/49868
3461         Rename __pgm to __flash.
3462         Rename __pgm1 to __flash1.
3463         Rename __pgm2 to __flash2.
3464         Rename __pgm3 to __flash3.
3465         Rename __pgm4 to __flash4.
3466         Rename __pgm5 to __flash5.
3467         Rename __pgmx to __memx.
3468         * doc/extend.texi (AVR Named Address Spaces)
3469         Rename address space names as indicated above.
3470         * config/avr/avr.c (avr_addrspace): Ditto.
3471
3472         * config/avr/avr-protos.h
3473         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3474         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3475         * config/avr/predicates.md: Ditto.
3476         * config/avr/avr.c Ditto, and
3477         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3478         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3479
3480         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3481         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3482         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3483         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3484         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3485         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3486         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3487         * config/avr/avr.c: Ditto.
3488         * config/avr/avr.md: Ditto.
3489
3490 2012-01-25  Jason Merrill  <jason@redhat.com>
3491
3492         PR c++/51992
3493         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3494
3495 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3496
3497         PR tree-optimization/51987
3498         * tree-data-ref.c (get_references_in_stmt): Handle references in
3499         non-volatile GIMPLE_ASM.
3500
3501 2012-01-25  Richard Guenther  <rguenther@suse.de>
3502
3503         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3504         bases are dereferenced.
3505
3506 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3507
3508         PR rtl-optimization/48374
3509         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3510
3511 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3512
3513         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3514         compute_data_dependences_for_loop returns false.
3515         * tree-parloops.c (loop_parallel_p): Likewise.
3516
3517 2012-01-25  Richard Guenther  <rguenther@suse.de>
3518
3519         * tree.h (get_pointer_alignment_1): Declare.
3520         * builtins.c (get_pointer_alignment_1): New function.
3521         (get_pointer_alignment): Use it.
3522
3523 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3524
3525         PR rtl-optimization/48308
3526         * combine.c (enum undo_kind): Add UNDO_LINKS.
3527         (struct undo): Add member l to other_contents and where.
3528         (do_SUBST_LINK): New.
3529         (SUBST_LINK): New.
3530         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3531         (undo_all): Handle UNDO_LINKS.
3532
3533 2012-01-25  Richard Henderson  <rth@redhat.com>
3534
3535         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3536         mem inputs.
3537