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