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