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* config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
4
5 2012-06-13  Richard Henderson  <rth@redhat.com>
6
7         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
8         iterator instead of INT.
9
10 2012-06-08  Richard Henderson  <rth@redhat.com>
11
12         PR c++/53602
13         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
14         note to a clobber insn when no other insn is available.
15
16 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
17
18         PR c++/53524
19         * doc/invoke.texi (Wenum-compare): Update documentation.
20
21 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
22
23         PR target/53559
24         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
25         operands.
26         (altivec_stvlxl): Ditto.
27         (altivec_stvrx): Ditto.
28         (altivec_stvrxl): Ditto.
29
30 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
31
32         PR middle-end/47530
33         * trans-mem.c (expand_block_edges): Do not skip the first
34         statement when resetting the BB.
35
36 2012-06-04  Richard Guenther  <rguenther@suse.de>
37
38         PR middle-end/53471
39         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
40         create new assembler names.
41
42 2012-06-04  Richard Guenther  <rguenther@suse.de>
43
44         Backport from mainline
45         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
46
47         PR middle-end/52979
48         * stor-layout.c (get_best_mode): Don't return mode with bitsize
49         larger than maxbits.  Don't compute maxbits modulo align.
50         Also check that unit bytes long store at bitpos / unit * unit
51         doesn't affect bits beyond bitregion_end.
52         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
53         would not fit into bitregion_start ... bitregion_end + 1 bit
54         region.
55         (store_split_bit_field): Decrease unit close to end of bitregion_end
56         if access is restricted in order to avoid mutual recursion.
57
58 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
59
60         Backport from 2012-06-04 mainline r188172
61
62         PR target/46261
63         * config/avr/avr-stdint.h: New file.
64         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
65         newlib-stdint.h
66
67 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
68
69         PR tree-optimization/53550
70         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
71         is POINTER_TYPE_P, use sizetype as step type instead of type.
72
73 2012-06-04  Richard Guenther  <rguenther@suse.de>
74             Eric Botcazou  <ebotcazou@adacore.com>
75
76         Backport from mainline
77         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
78
79         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
80         Change type of BITOFFSET to signed.  Make sure the lower bound of
81         the computed range is non-negative by adjusting OFFSET and BITPOS.
82         (expand_assignment): Adjust call to get_bit_range.
83
84         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
85
86         * expr.c (get_bit_range): Return the null range if the enclosing record
87         is part of a larger bit field.
88
89         2012-03-20  Richard Guenther  <rguenther@suse.de>
90
91         * stor-layout.c (finish_bitfield_representative): Fallback
92         to conservative maximum size if the padding up to the next
93         field cannot be computed as a constant.
94         (finish_bitfield_layout): If we cannot compute the distance
95         between the start of the bitfield representative and the
96         bitfield member start a new representative.
97         * expr.c (get_bit_range): The distance between the start of
98         the bitfield representative and the bitfield member is zero
99         if the field offsets are not constants.
100
101         2012-03-16  Richard Guenther  <rguenther@suse.de>
102
103         * stor-layout.c (finish_bitfield_representative): Fall back
104         to the conservative maximum size if we cannot compute the
105         size of the tail padding.
106
107         2012-03-14  Richard Guenther  <rguenther@suse.de>
108
109         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
110         * stor-layout.c (start_bitfield_representative): New function.
111         (finish_bitfield_representative): Likewise.
112         (finish_bitfield_layout): Likewise.
113         (finish_record_layout): Call finish_bitfield_layout.
114         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
115         for QUAL_UNION_TYPE fields.
116         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
117         Stream DECL_BIT_FIELD_REPRESENTATIVE.
118         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
119
120         PR middle-end/52080
121         PR middle-end/52097
122         PR middle-end/48124
123         * expr.c (get_bit_range): Unconditionally extract bitrange
124         from DECL_BIT_FIELD_REPRESENTATIVE.
125         (expand_assignment): Adjust call to get_bit_range.
126
127 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
128
129         PR middle-end/53501
130         * fold-const.c (fold_binary_loc): Refine previous change.
131
132 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
133
134         Backport from mainline
135         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
136
137         PR target/52667
138         * config/sh/sh.c (find_barrier): Add equality check of last_got to
139         avoid going above orig insn.  Update comments.
140
141 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
142
143         Backport from mainline
144         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
145
146         PR target/52642
147         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
148         prologue for unwinder and profiler.
149
150 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
151
152         Backport from mainline
153         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
154
155         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
156
157 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
158
159         Backport from mainline
160         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
161
162         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
163         DBX_REGISTER_NUMBER.
164
165 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
166
167         Backport from mainline
168         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
169
170         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
171         operand is CONST_INT.  Take COSTS_N_INSNS into account.
172         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
173         shiftcosts.     
174
175 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
176
177         * config/avr/avr.opt (-msp8): Document it.
178         * doc/invoke.texi (AVR Options): Copy from trunk docu.
179
180 2012-05-31  Richard Guenther  <rguenther@suse.de>
181
182         PR middle-end/48493
183         * expr.c (expand_assignment): Do not use movmisalign on
184         non-memory.
185
186 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
187
188         PR target/52999
189         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
190         (pa_section_type_flags): New.
191         (pa_legitimate_constant_p): Revert previous change.
192
193 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
194
195         Backport from mainline
196         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
197
198         PR middle-end/53008
199         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
200         accessed indirectly.
201         (ipa_tm_create_version): Same.
202
203 2012-05-30  Jason Merrill  <jason@redhat.com>
204
205         PR c++/53220
206         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
207         about array compound literals.
208
209 2012-05-30  Richard Guenther  <rguenther@suse.de>
210
211         PR middle-end/53501
212         * fold-const.c (fold_binary_loc): Make sure to call
213         fold_plusminus_mult_expr with the original sign of operands.
214
215 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
216
217         * explow.c (probe_stack_range): Restore simple control flow and stop
218         again when the probe cannot be generated if HAVE_check_stack.
219
220 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
221
222         PR rtl-optimization/53519
223         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
224         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
225
226 2012-05-29  Richard Guenther  <rguenther@suse.de>
227
228         PR tree-optimization/53516
229         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
230         bitfield accesses.
231         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
232
233 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
234
235         Backport from mainline
236         2012-05-28  Richard Guenther  <rguenther@suse.de>
237
238         PR tree-optimization/53438
239         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
240
241 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
242
243         Backport from mainline
244         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
245
246         PR rtl-optimization/52528
247         * combine.c (can_combine_p): Add setting of subst_low_luid
248         before call to expand_field_assignment().
249
250 2012-05-26  Martin Jambor  <mjambor@suse.cz>
251
252         Backport from mainline
253         2012-05-23  Martin Jambor  <mjambor@suse.cz>
254
255         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
256
257 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
258
259         PR lto/52178
260         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
261         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
262
263 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
264
265         PR target/53435
266         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
267         (ix86_expand_vec_perm): Use int mode instead of float.
268
269 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
270
271         PR ada/52362
272         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
273         gnu_ld variables to yes.
274         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
275         (HAVE_GNU_AS): Likewise.
276         * config.in: Regenerate.
277         * configure: Likewise.
278
279 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
280
281         Backport from mainline
282         2012-03-12  Richard Guenther  <rguenther@suse.de>
283         * config/arm/arm.c (neon_dereference_pointer): Do not call
284         covert during RTL expansion.
285
286 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
287
288         Backport from mainline
289         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
290
291         PR target/53385
292         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
293         relied on signed overflow behavior.
294
295 2012-05-24  Richard Guenther  <rguenther@suse.de>
296
297         PR middle-end/53460
298         * tree-profile.c (tree_profiling): Cleanup the CFG if
299         execute_fixup_cfg requests it.
300
301 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
302
303         PR tree-optimization/53465
304         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
305         vr0 into *vr, then vrp_meet that.
306         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
307         have any equivalences.
308         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
309         first time.
310
311 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
312
313         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
314         size handling.
315         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
316         (iterative_hash_gimple_type): Adjust comment.
317         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
318         domain for an array type instead of the domain type itself.
319
320 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
321
322         Backport from 2012-05-23 mainline r187803
323
324         PR target/53448
325         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
326         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
327         ASM_OUTPUT_ALIGN.
328
329 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
330
331         Backport from 2012-05-03 mainline r187075
332
333         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
334         has_fma4 for AMD processors with both fma3 and fma4 support.
335
336 2012-05-22  Richard Guenther  <rguenther@suse.de>
337
338         PR tree-optimization/53408
339         * tree-vect-loop.c (vectorizable_induction): Properly check
340         the restriction that we cannot handle induction results from
341         the inner loop outside of the outer loop.
342
343 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
344
345         PR tree-optimization/53436
346         * omp-low.c (omp_build_component_ref): New function.
347         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
348
349         PR tree-optimization/53366
350         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
351         tests if complex_numbers == 2, but there are non-complex number loads
352         too.
353
354         PR tree-optimization/53409
355         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
356         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
357
358         PR tree-optimization/53410
359         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
360         instead of build_int_cst (type, 0) where vector types might be
361         involved.
362
363 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
364
365         PR c/53418
366         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
367         from folded operands before wrapping another around the
368         conditional expression.
369
370 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
371             Patrick Marlier  <patrick.marlier@gmail.com>
372
373         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
374         indirect calls.
375
376 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
377
378         Backport from mainline
379         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
380
381         PR target/53416
382         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
383         (UNSPECV_RDRAND): This.
384         (rdrand<mode>_1): Updated.
385
386 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
387
388         Backport from mainline
389         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
390
391         * config/i386/driver-i386.c (host_detect_local_cpu): Support
392         RDRND, F16C and FSGSBASE.
393
394 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
395
396         Backport from mainline
397         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
398
399         * tree-ssa-pre.c (can_value_number_call): Delete.
400         (compute_avail): Skip all statements with side effects.
401         <GIMPLE_CALL>: Skip calls to internal functions.
402
403 2012-05-18  David S. Miller  <davem@davemloft.net>
404
405         Backport r185385 from mainline
406         2012-03-14  Richard Guenther  <rguenther@suse.de>
407
408         PR middle-end/52584
409         * tree-vect-generic.c (type_for_widest_vector_mode): Take
410         element type instead of mode, use build_vector_type_for_mode
411         instead of the langhook, build a vector of proper signedness.
412         (expand_vector_operations_1): Adjust.
413
414 2012-05-18  Olivier Hainque  <hainque@adacore.com>
415
416         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
417         $(libsubdir) as libexecsubdir.
418
419 2012-05-16  Andrew Pinski  <apinski@cavium.com>
420
421         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
422         GIMPLE_ASSIGN.
423
424 2012-05-16  David S. Miller  <davem@davemloft.net>
425
426         * jump.c (delete_related_insns): If we remove a CALL, make sure
427         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
428
429 2012-05-16  Richard Henderson  <rth@redhat.com>
430
431         PR debug/52727
432         * combine-stack-adj.c (prev_active_insn_bb): New.
433         (next_active_insn_bb): New.
434         (force_move_args_size_note): New.
435         (combine_stack_adjustments_for_block): Use it.
436
437 2012-05-16  Olivier Hainque  <hainque@adacore.com>
438
439         * Makefile.in (install-no-fixedincludes): New target, former toplevel
440         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
441         Add comments and improve stamp preservation across the whole sequence.
442         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
443
444 2012-05-16  Richard Guenther  <rguenther@suse.de>
445
446         PR tree-optimization/53364
447         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
448         detect a view-conversion of the decl.
449
450 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
451
452         PR target/53358
453         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
454         that operands[2] is either immediate, or q_regs_operand.
455
456 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
457
458         Backport r187139 from mainline.
459         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
460
461         PR rtl-optimization/52804
462         * reload1.c (reload_reg_reaches_end_p): Check whether successor
463         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
464         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
465         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
466         RELOAD_FOR_OUTADDR_ADDRESS.
467
468 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
469
470         PR target/46098
471         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
472         generate target register for "load" class builtins.
473
474         Revert:
475         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
476
477         PR target/46098
478         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
479         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
480         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
481         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
482         (<sse>_movu<ssemodesuffix>): New expander.
483         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
484         (avx_movdqu<avxmodesuffix>): New expander.
485         (*sse2_movdqu): Rename from sse2_movdqu.
486         (sse2_movdqu): New expander.
487
488 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
489
490         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
491         lineno 1 the same as lineno 0 before first start file directive.
492         (optimize_macinfo_range): Likewise.
493
494         * dwarf2out.c (have_macinfo): Define.
495         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
496         attribute, don't force empty compilation unit and don't emit any
497         .debug_macinfo/.debug_macro section if macinfo_table is empty.
498
499 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
500
501         Backport from mainline
502         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
503
504         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
505         ORDERED and UNORDERED conditions.
506
507 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
508
509         * function.c (requires_stack_frame_p): If the function can throw
510         non-call exceptions, return true if the insn can throw internally.
511
512 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
513
514         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
515         DECL_ORIGINAL_TYPE if it is present.
516
517 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
518
519         Backport from 2012-05-12 mainline r187342.
520
521         PR target/53256
522         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
523         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
524         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
525         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
526         (expand_prologue): Move initialization of cfun->machine->is_naked,
527         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
528         (avr_set_current_function): ...this new static function.
529         (TARGET_SET_CURRENT_FUNCTION): New define.
530         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
531         checking attributes of current_function_decl.
532         (avr_regs_to_save): Ditto.
533         (signal_function_p): Rename to avr_signal_function_p.
534         (interrupt_function_p): Rename to avr_interrupt_function_p.
535
536         * doc/extend.texi (Function Attributes): Better explanation of
537         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
538         alphabetical order.
539
540 2012-05-09  Matthias Klose  <doko@ubuntu.com>
541
542         * gcc-ar.c (main): Don't check for execute bits for the plugin.
543
544 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
545
546         PR target/53272
547         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
548         when a constant source operand matches an "I" constraint, the "no
549         CC0 change" applies to a register-destination only, not a
550         strict_low_part-destination.
551
552 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
553
554         Backport from mainline:
555         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
556
557         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
558
559 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
560
561         PR tree-optimization/53239
562         * tree-vrp.c (get_value_range): Set VR of
563         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
564         to nonnull.
565
566 2012-05-07  Richard Guenther  <rguenther@suse.de>
567
568         PR tree-optimization/53195
569         * tree-inline.c (setup_one_parameter): Properly add referenced
570         vars from the parameters new known value.
571
572 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
573
574         Backport from mainline:
575         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
576
577         PR target/52999
578         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
579         in constant pool.
580
581 2012-05-04  Ian Lance Taylor  <iant@google.com>
582
583         * tree-vect-patterns.c (vect_single_imm_use): Correct return
584         values from false to NULL.
585
586 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
587
588         Backport from mainline
589         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
590
591         PR target/53228
592         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
593         (TARGET_CMOV): Rename from TARGET_CMOVE.
594         (TARGET_CMOVE): New define.
595         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
596         Do not set TARGET_CMOVE here.
597
598 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
599
600         Backport from mainline:
601
602         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
603
604         PR tree-optimization/52633
605         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
606         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
607         (vect_recog_over_widening_pattern): Remove handling of code that was
608         already detected as over-widening pattern.  Remove special handling
609         of "unsigned" cases.  Instead, support general case of conversion
610         of the shift result to another type.
611
612         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
613
614         * tree-vect-patterns.c (vect_single_imm_use): New function.
615         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
616         (vect_recog_over_widening_pattern): Likewise.
617         (vect_recog_widen_shift_pattern): Likewise.
618
619         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
620
621         PR tree-optimization/52870
622         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
623         presumed pattern statement is within the same loop or basic block.
624
625 2012-05-04  Richard Guenther  <rguenther@suse.de>
626
627         * common.opt (flto-report): Do not mark as Optimization.
628
629 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
630
631         PR target/48496
632         * recog.c (constrain_operands): If extra constraints are present, also
633         accept pseudo-registers with equivalent memory locations during reload.
634
635 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
636
637         Backport from the mainline
638         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
639
640         PR target/53199
641         * config/rs6000/rs6000.md (bswapdi splitters): If
642         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
643         default) is used, generate an alternate sequence that does not
644         depend on using indexed addressing.
645
646 2012-05-03  David S. Miller  <davem@davemloft.net>
647
648         PR target/52684
649         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
650         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
651         (sparc_emit_float_lib_cmp): Likewise.
652
653 2012-05-04  Martin Jambor  <mjambor@suse.cz>
654
655         Backport from mainline
656         2012-05-02  Martin Jambor  <mjambor@suse.cz>
657
658         PR lto/52605
659         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
660         of a variable when the contect is a function.
661
662 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
663
664         PR plugins/53126
665         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
666         append program name to it and pass that as first argument
667         to make_relative_prefix.  Always pass standard_libexec_prefix
668         as last argument to make_relative_prefix.  If
669         make_relative_prefix returns NULL, fall back to
670         standard_libexec_prefix.
671
672         PR debug/53174
673         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
674         removed.
675
676         PR target/53187
677         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
678         mode, return that mode.
679
680 2012-05-03  Richard Guenther  <rguenther@suse.de>
681
682         PR tree-optimization/53144
683         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
684         Rename to ...
685         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
686         with SSA name values.
687         (vn_reference_lookup_3): Adjust callers.
688
689 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
690
691         PR tree-optimization/53163
692         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
693         return value from compute_all_dependences.
694
695         PR rtl-optimization/53160
696         * ree.c (combine_reaching_defs): Handle the case where cand->insn
697         has been modified by ree pass already.
698
699 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
700
701         Backport from mainline
702         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
703
704         PR middle-end/53136
705         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
706         calls to cgraph_node_name in xstrdup.
707         (ipa_make_edge_direct_to_target): Ditto.
708         * tree-sra.c (convert_callers_for_node): Ditto.
709         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
710         * ipa-cp.c (perhaps_add_new_callers): Ditto.
711         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
712         (cgraph_materialize_all_clones): Ditto.
713         * ipa-inline.c (report_inline_failed_reason): Ditto.
714         (want_early_inline_function_p): Ditto.
715         (edge_badness): Ditto.
716         (update_edge_key): Ditto.
717         (flatten_function): Ditto.
718         (ipa_inline): Ditto.
719         (inline_always_inline_functions): Ditto.
720         (early_inline_small_functions): Ditto.
721
722 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
723
724         Backport from mainline
725         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
726
727         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
728         Introduce emul_name to select the right linker emulation for
729         powerpc64-*-freebsd*.
730         * configure: Regenerate.
731         * config.gcc: Add bits to support powerpc64-*-freebsd*.
732         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
733         * config/rs6000/freebsd64.h: New file.
734         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
735         POWERPC_FREEBSD.
736         (rs6000_savres_strategy): Likewise.
737         (rs6000_savres_routine_name): Likewise.
738         (rs6000_elf_file_end): Likewise.
739         * config/rs6000/t-freebsd64: New file.
740         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
741         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
742
743 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
744
745         Backport from mainline
746         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
747
748         PR target/53138
749         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
750
751 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
752
753         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
754         predicate to discriminate types.
755
756 2012-04-27  Richard Guenther  <rguenther@suse.de>
757
758         PR c/51527
759         * convert.c (convert_to_integer): Avoid infinite recursion for
760         target-defined built-in types.
761
762 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
763
764         PR target/53120
765         * config/cris/cris.md ("*andhi_lowpart_v32")
766         ("*andqi_lowpart_v32"): Change first input-only operand from
767         a (match_operand ...) to (match_dup 0).  Drop alternatives with
768         const_int-matching constraints for redundancy.
769         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
770         three-operand alternative.
771
772 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
773
774         Backport from mainline
775         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
776
777         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
778         (*addsi_2_zext): Ditto.
779         (*add<mode>_3): Ditto.
780         (*addsi_3_zext): Ditto.
781         (*add<mode>_5): Ditto.
782
783 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
784
785         PR c/52880
786         * c-typeck.c (set_nonincremental_init,
787         set_nonincremental_init_from_string): Pass true instead of false
788         as IMPLICIT to add_pending_init.
789
790 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
791
792         Backport from 2012-04-24 mainline r186768.
793
794         PR target/53065
795         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
796
797 2012-04-24  Richard Guenther  <rguenther@suse.de>
798
799         PR tree-optimization/53085
800         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
801         stores.
802
803 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
804
805         PR middle-end/53084
806         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
807         of MEM_REF.
808         (output_addressed_constants): Likewise.
809
810         PR middle-end/52999
811         * varasm.c (get_section): Don't ICE for section conflicts with
812         built-in section kinds.
813
814 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
815
816         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
817
818 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
819
820         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
821
822 2012-04-23  Richard Guenther  <rguenther@suse.de>
823
824         PR c/53060
825         * c-typeck.c (build_binary_op): Fix typo.
826
827 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
828
829         PR tree-optimizations/52891
830         * tree-vect-patterns.c (adjust_bool_pattern): Use
831         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
832         but with non-standard precision.
833
834 2012-04-22  Ian Lance Taylor  <iant@google.com>
835
836         * godump.c (go_output_typedef): Dump size of structs.
837
838 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
839
840         Backport from mainline:
841
842         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
843         hints for 'A' operand types.
844
845 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
846
847         Backport from 2012-04-19 mainline r186588.
848
849         PR target/53033
850         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
851         the case *(X+const).
852
853 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
854
855         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
856
857 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
858
859         PR target/53020
860         * config/i386/sync.md (atomic_<code><mode>): Rename to
861         atomic_<logic><mode>.
862
863 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
864
865         Backport from mainline
866         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
867
868         PR target/52932
869         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
870         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
871         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
872         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
873         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
874         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
875         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
876         gen_avx2_permvarv8sf.
877
878 2012-04-16  Martin Jambor  <mjambor@suse.cz>
879
880         Backported from mainline
881
882         2012-04-13  Martin Jambor  <mjambor@suse.cz>
883         PR middle-end/52939
884
885         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
886         fold_ctor_reference returns a zero constant.
887
888 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
889
890         Backported from mainline
891         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
892
893         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
894         and __ILP32__ for x32.
895
896 2012-04-13  Tom de Vries  <tom@codesourcery.com>
897
898         Backport from mainline r186418.
899
900         2012-04-13  Tom de Vries  <tom@codesourcery.com>
901
902         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
903         parameters vuse and vuse_escaped.
904         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
905         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
906         vuse1 != vuse2.
907
908 2012-04-13  Richard Guenther  <rguenther@suse.de>
909
910         PR tree-optimization/52969
911         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
912         the condition for the COND_EXPR and handle predicate negation
913         by swapping the COND_EXPR arms.
914
915 2012-04-13  Richard Guenther  <rguenther@suse.de>
916
917         PR c/52862
918         * convert.c (convert_to_pointer): Remove special-casing of
919         zero.
920
921 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
922
923         Backport from mainline
924         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
925
926         PR target/52775
927         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
928         the list of options to enable the FCFID instruction.
929         (TARGET_EXTRA_BUILTINS): Adjust comment.
930
931 2012-04-12  Richard Guenther  <rguenther@suse.de>
932
933         PR tree-optimization/52943
934         * tree-chrec.h (chrec_is_positive): Remove.
935         * tree-scalar-evolution.c (chrec_is_positive): Move ...
936         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
937         Return false for a constant zero instead of negative.
938         (analyze_siv_subscript_cst_affine): Handle zero difference
939         in the initial condition explicitely.
940
941 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
942
943         PR middle-end/52894
944         * varasm.c (process_pending_assemble_externals): Set
945         pending_assemble_externals_processed true.
946         (assemble_external): Call assemble_external_real if the pending
947         assemble externals have been processed.
948
949 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
950
951         PR target/52717
952         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
953         the DECL generated for the special GOT helper.
954
955 2012-04-06  Walter Lee  <walt@tilera.com>
956
957         Backport from mainline
958         2012-03-07  Walter Lee  <walt@tilera.com>
959
960         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
961         REG_CFA_* notes for the stack pointer.
962         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
963         EH_RETURN_STACKADJ_RTX.
964         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
965         generate REG_CFA_* notes for the stack pointer.
966         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
967         by EH_RETURN_STACKADJ_RTX.
968
969 2012-04-06  Matt Turner  <mattst88@gmail.com>
970
971         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
972
973 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
974
975         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
976         of the destination isn't also a FP_REGS register.
977
978 2012-04-03  Richard Guenther  <rguenther@suse.de>
979
980         Backport from mainline
981         2012-03-02  Richard Guenther  <rguenther@suse.de>
982
983         PR tree-optimization/52406
984         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
985         (struct indices): Add unconstrained_base member.
986         (struct dr_alias): Remove unused vops member.
987         (DR_UNCONSTRAINED_BASE): New define.
988         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
989         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
990         be an artificial access that covers the whole indexed object,
991         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
992         plain decl base-objects to their MEM_REF variant.
993         (dr_may_alias_p): When the base-object of either data reference
994         has unknown size use only points-to information.
995         (compute_affine_dependence): Make dumps easier to read and
996         more verbose.
997         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
998         DR_REF when looking for packed references.
999         (vect_supportable_dr_alignment): Likewise.
1000
1001 2012-04-03  Richard Guenther  <rguenther@suse.de>
1002
1003         Backport from mainline
1004         2012-03-15  Richard Guenther  <rguenther@suse.de>
1005
1006         PR middle-end/52580
1007         * tree-data-ref.c (subscript_dependence_tester_1): Check
1008         all dimensions for non-conflicting access functions.
1009
1010 2012-04-03  Richard Guenther  <rguenther@suse.de>
1011
1012         Backport from mainline
1013         2012-03-06  Richard Guenther  <rguenther@suse.de>
1014
1015         PR middle-end/52493
1016         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1017
1018         2012-03-23  Richard Guenther  <rguenther@suse.de>
1019
1020         PR tree-optimization/52678
1021         * tree-vectorizer.h (struct _stmt_vec_info): Add
1022         loop_phi_evolution_part member.
1023         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1024         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1025         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1026         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1027         Use the cached evolution part and the PHI nodes value from
1028         the loop preheader edge instead of re-analyzing the evolution.
1029
1030         2012-03-26  Richard Guenther  <rguenther@suse.de>
1031
1032         PR tree-optimization/52701
1033         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1034         compute and set the evolution part of PHI nodes.
1035
1036         2012-03-30  Richard Guenther  <rguenther@suse.de>
1037
1038         PR tree-optimization/52754
1039         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1040         propagate arbitrary addresses into really plain dereferences.
1041
1042 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1043
1044         PR tree-optimization/52835
1045         * tree-data-ref.c (build_rdg): Return NULL if
1046         compute_data_dependences_for_loop failed.
1047
1048 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1049
1050         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1051         (stmt_can_make_abnormal_goto): Use it.
1052         (is_ctrl_altering_stmt): Likewise.
1053
1054 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1055
1056         Backported from mainline
1057         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1058
1059         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1060         is a builtin_stack_save in a dominating BB.
1061
1062 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1063
1064         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1065         crossing 128bit lane boundary.
1066
1067 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         Backported from mainline
1070         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1071
1072         PR target/52698
1073         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1074         New prototype.
1075         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1076         * config/i386/i386.c: Include reload.h.
1077         (ix86_legitimize_reload_address): New function.
1078
1079 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1080
1081         Backported from mainline
1082         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1083
1084         PR middle-end/52693
1085         * tree-sra.c (sra_modify_assign): Do not call
1086         load_assign_lhs_subreplacements when working with an unscalarizable
1087         region.
1088
1089 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1090
1091         PR middle-end/52691
1092         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1093         __builtin_va_start to __builtin_next_arg if the latter is
1094         builtin_decl_explicit_p rather than when it is not.
1095
1096         PR middle-end/52750
1097         * tree-vect-generic.c (vector_element): Perform multiplication
1098         for pos in bitsizetype type instead of idx type.
1099
1100 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1101
1102         Backport from 2012-03-28 mainline r185910.
1103
1104         PR target/52692
1105         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1106         (avr_builtin_decl): New static function.
1107         (struct avr_builtin_description, avr_bdesc): Move up.
1108         Add GTY marker. Add field fndecl. Remove redundant field id.
1109         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1110         (avr_expand_builtin): Code cleanup because .id is removed.
1111
1112 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1113
1114         PR middle-end/51893
1115         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1116         targets.
1117
1118 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1119
1120         Backport from 2012-03-28 mainline r185907.
1121
1122         PR target/52737
1123         * config.gcc (tm_file): Remove avr/multilib.h.
1124
1125         * doc/invoke.texi (AVR Options): Adjust
1126         documentation of -mtiny-stack.
1127
1128         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1129         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1130         * config/avr/t-avr: Remove generation of multilib.h.
1131         * config/avr/t-multilib: Regenerate.
1132         * config/avr/multilib.h: Remove.
1133         * config/avr/avr.opt (-msp8): New option.
1134         (avr_sp8): New variable.
1135         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1136         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1137         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1138         (avr_device_to_sp8): New prototype.
1139         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1140         (DRIVER_SELF_SPECS): New define.
1141         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1142         __AVR_SP8__, __AVR_HAVE_SPH__.
1143         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1144         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1145         (avr_file_start): Ditto.
1146
1147 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1148
1149         PR target/52736
1150         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1151         instead of 8 in adjust_address.
1152
1153 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1154
1155         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1156         of a unit before computing the offset in units.
1157
1158 2012-03-27  Richard Guenther  <rguenther@suse.de>
1159
1160         PR middle-end/52720
1161         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1162         explicitely.
1163
1164 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1165
1166         PR target/52610
1167         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1168
1169 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1170
1171         PR middle-end/52640
1172         * varasm.c: Include pointer-set.h.
1173         (pending_assemble_externals_set): New pointer set.
1174         (process_pending_assemble_externals): Destroy the pointer set.
1175         (assemble_external): See if decl is in pending_assemble_externals_set,
1176         and add it to pending_assemble_externals if necessary.
1177         (init_varasm_once): Allocate pending_assemble_externals_set.
1178
1179 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1180
1181         Backported from mainline
1182         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1183
1184         PR target/50310
1185         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1186         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1187         (vector_ltgt<mode>): Likewise.
1188         (vector_ordered<mode>): Likewise.
1189         (vector_unordered<mode>): Likewise.
1190         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1191
1192 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1193
1194         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1195         Make static.
1196
1197 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1198
1199         Backported from mainline
1200         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1201
1202         PR target/48596
1203         PR target/48806
1204         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1205         GENERAL_REGS and FP_REGS for SImode.
1206
1207 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1208
1209         PR middle-end/52547
1210         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1211         on any new_local_var_chain vars declared during recursing on
1212         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1213
1214 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1215
1216         Backport from 2012-03-22 mainline r185692.
1217
1218         PR target/52496
1219         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1220         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1221         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1222         (delay_cycles_1, delay_cycles_2): Ditto.
1223         (delay_cycles_3, delay_cycles_4): Ditto.
1224         (nopv, *nopv): Ditto.
1225         (sleep, *sleep): Ditto.
1226         (wdr, *wdr): Ditto.
1227
1228         Backport from 2012-03-21 mainline r185605.
1229
1230         PR rtl-optimization/52543
1231         PR target/52461
1232         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1233         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1234         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1235         (avr_load_libgcc_p): Restrict to __flash loads.
1236         (avr_out_lpm): Only handle 1-byte loads from __flash.
1237         (avr_load_lpm): New function.
1238         (avr_find_unused_d_reg): Remove.
1239         (avr_out_lpm_no_lpmx): Remove.
1240         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1241         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1242         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1243         (load_<mode>, load_<mode>_clobber): New insns.
1244         (mov<mode>): For multi-byte move from non-generic
1245         16-bit address spaces: Expand to load_<mode> resp.
1246         load_<mode>_clobber.
1247         (load<mode>_libgcc): Remove expander.
1248         (split-lpmx): Remove split.
1249
1250         Backport from 2012-03-13 mainline r185329.
1251
1252         PR target/52488
1253         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1254         offset (size) to a value the insns can deal with.
1255         (expand_epilogue): Ditto.
1256
1257         Backport from 2012-03-12 mainline r185256.
1258
1259         PR target/52499
1260         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1261         type from reg_class_t to enum reg_class.
1262         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1263
1264         Backport from 2012-03-12 mainline r185253.
1265
1266         PR target/52148
1267         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1268         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1269         r184615 from 2012-02-28.
1270
1271         Backport from 2012-03-08 mainline r185105.
1272
1273         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1274         for constants in [-63,63].
1275
1276         Backport from 2012-03-08 mainline r185100.
1277
1278         PR target/52496
1279         * config/avr/avr.c (avr_mem_clobber): New static function.
1280         (avr_expand_delay_cycles): Add memory clobber operand to
1281         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1282         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1283         (enable_interrupt, disable_interrupt): New expander.
1284         (nopv, sleep, wdr): New expanders.
1285         (delay_cycles_1): Add memory clobber.
1286         (delay_cycles_2): Add memory clobber.
1287         (delay_cycles_3): Add memory clobber.
1288         (delay_cycles_4): Add memory clobber.
1289         (cli_sei): New insn from former "enable_interrupt",
1290         "disable_interrupt" with memory clobber.
1291         (*wdt): New insn from former "wdt" with memory clobber.
1292         (*nopv): Similar, but for "nopv".
1293         (*sleep): Similar, but for "sleep".
1294
1295         Backport from 2012-03-07 mainline r185043.
1296
1297         PR target/52484
1298         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1299
1300         Backport from 2012-03-07 mainline r185032.
1301
1302         PR target/52506
1303         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1304         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1305         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1306
1307         Backport from 2012-03-07 mainline r185031.
1308
1309         PR target/52505
1310         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1311         from RAM.
1312         * config/avr/avr.md (xload_8): Adjust insn length.
1313
1314         Backport from 2012-03-07 mainline r185030.
1315
1316         PR target/52461
1317         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1318         if RAMPZ affects reading from RAM.
1319
1320         Backport from 2012-03-05 mainline r184919.
1321
1322         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1323
1324 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1325
1326         Backport from mainline r185259.
1327
1328         PR other/52545
1329         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1330         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1331
1332 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1333
1334         Backported from mainline
1335         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1336
1337         PR c/52577
1338         * c-parser.c (c_parser_postfix_expression)
1339         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1340
1341         * config/i386/smmintrin.h: Avoid /* within a comment.
1342         * config/i386/nmmintrin.h: Likewise.
1343
1344 2012-03-22  Richard Guenther  <rguenther@suse.de>
1345
1346         * BASE-VER: Set to 4.7.1.
1347         * DEV-PHASE: Set to prerelease.
1348
1349 2012-03-22  Release Manager
1350
1351         * GCC 4.7.0 released.
1352
1353 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1354
1355         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1356
1357 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1358             Andrew Pinski  <apinski@cavium.com>
1359
1360         PR middle-end/52592
1361         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1362         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1363         calls instead of __builtin_ir{int,ound}*.
1364
1365 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1366
1367         PR c++/52582
1368         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1369         if c_node is NULL.
1370
1371 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1372
1373         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1374         Refer to GCC 4.7 version of c99status.html.
1375
1376 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1377
1378         Backport from mainline
1379         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1380
1381         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1382         redefine to be NULL if the current bit-size is different from the
1383         configured bit-size.
1384
1385         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1386         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1387         set the default tuning.  Add asserts to make sure the cpu and tune
1388         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1389         test whether the index is set, instead of > 0.
1390         (rs6000_file_start): Do not reset the default cpu if the current
1391         bit-size is different from the configured bit-size.
1392
1393 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1394
1395         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1396         binutils reference.
1397         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1398         Update binutils references.
1399         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1400         Update binutils reference.
1401         Update Sun as/GNU ld caveat.
1402         Document binutils largefile requirement for LTO plugin.
1403         Remove reference to alternate libpthread.
1404
1405 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1406
1407         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1408         reference.
1409         (Specific, mips-sgi-irix6): Likewise.
1410
1411 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1412
1413         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1414         * configure: Regenerate.
1415
1416 2012-03-07  Richard Henderson  <rth@redhat.com>
1417
1418         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1419         * config/m68k/sync.md (atomic_test_and_set): Use it.
1420         (atomic_test_and_set_1): Likewise.
1421
1422 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1423
1424         PR target/51417
1425         * Makefile.in: Let install-gcc-ar depend on installdirs,
1426         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1427         Don't double canonicalize if cross-compiling.
1428
1429 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1430
1431         * trans-mem.c: New typedef for tm_region_p.
1432         Define vector types for tm_region_p.
1433         (tm_region_init): Replace region_worklist to a vector called
1434         bb_regions.
1435
1436 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1437
1438         PR middle-end/52463
1439         * trans-mem.c (tm_region_init): Use last_basic_block.
1440
1441 2012-03-05  Richard Henderson  <rth@redhat.com>
1442
1443         PR tree-opt/52242
1444         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1445         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1446         BIGGEST_ALIGNMENT is aligned.
1447
1448 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1449
1450         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1451
1452 2012-03-05  Richard Henderson  <rth@redhat.com>
1453
1454         PR target/52481
1455         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1456         instead of calling negqi2 directly.
1457
1458 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1459
1460         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1461         (INTMAX_TYPE): Use it.
1462         (UINTMAX_TYPE): Likewise.
1463         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1464         (irix6_c_common_override_options): Declare.
1465         (C_COMMON_OVERRIDE_OPTIONS): Define.
1466         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1467         * config/mips/irix6-c.c: New file.
1468         * config/mips/t-irix6 (irix6-c.o): New target.
1469         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1470         cxx_target_objs.
1471
1472 2012-03-02  Richard Henderson  <rth@redhat.com>
1473
1474         * optabs.c (expand_atomic_test_and_set): Honor
1475         atomic_test_and_set_trueval even when atomic_test_and_set
1476         optab is not in use.
1477
1478 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1479
1480         Backport from mainline
1481         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1482
1483         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1484
1485 2012-03-02  Richard Guenther  <rguenther@suse.de>
1486
1487         * DEV-PHASE: Set to prerelease.
1488
1489 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1490
1491         * config.gcc (obsolete): Add all ARM targets using the FPA.
1492         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1493         * doc/install.texi: Avoid references to obsolete ARM ports.
1494
1495 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1496
1497         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1498
1499 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1500             Joern Rennecke  <joern.rennecke@embecosm.com>
1501
1502         * doc/extend.texi: Expand and update information on interrupt
1503         attribute for Epiphany.
1504
1505 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1506
1507         * config/sh/sh-protos.h: Update copyright notice dates.
1508         * config/sh/sh.h: Likewise.
1509         * config/sh/sh.md: Likewise.
1510         * config/sh/constraints.md: Likewise.
1511         * config/sh/predicates.md: Likewise.
1512
1513 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1514
1515         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1516         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1517
1518 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1519
1520         * config/sh/constraints.md: Fix comment typo.
1521
1522 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1523
1524         PR target/52408
1525         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1526         unsigned HOST_WIDE_INT.
1527         (zvdep_imm64): Likewise.
1528         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1529         (vdepi_and): Likewise.
1530         Likewise for unamed 64-bit patterns.
1531         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1532
1533 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1534
1535         PR debug/52001
1536         PR rtl-optimization/52417
1537         * cselib.c (cselib_any_perm_equivs): New variable.
1538         (cselib_reset_table): Check that it's not set when not
1539         preserving constants.
1540         (cselib_add_permanent_equiv): Set it.
1541         (cselib_have_permanent_equivalences): New.
1542         (cselib_init, cselib_finish): Reset it.
1543         * cselib.h (cselib_have_permanent_equivalences): Declare.
1544         * alias.c (get_addr): Restore earlier behavior when there
1545         aren't permanent equivalences.
1546
1547 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1548
1549         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1550         * config/v850/v850-modes.def: Fix copyright notice.
1551
1552 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1553
1554         * doc/extend.texi (AVR Built-in Functions): Document
1555         __builtin_avr_flash_segment.
1556
1557         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1558         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1559         (*split.flash_segment): New insn-and-split.
1560         * config/avr/avr.c (avr_init_builtins): Add local variables:
1561         const_memx_void_node, const_memx_ptr_type_node,
1562         char_ftype_const_memx_ptr.
1563
1564 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1565
1566         PR tree-optimization/52445
1567         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1568         add ssa_name_ver, offset and size fields and change store field
1569         to bool.
1570         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1571         (add_or_mark_expr): Likewise.  Only consider previous stores
1572         with the same size and offset.
1573         (nt_init_block): Only look at gimple_assign_single_p stmts,
1574         doesn't look at rhs2.
1575
1576 2012-03-01  Richard Guenther  <rguenther@suse.de>
1577
1578         PR middle-end/52443
1579         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1580         conversions from integral types to pointer types.
1581
1582 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1583
1584         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1585         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1586         unintentionally removed in r184616.
1587
1588 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1589
1590         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1591         3DNow from bdver1.
1592
1593 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1594             Uros Bizjak  <ubizjak@gmail.com>
1595
1596         PR target/52437
1597         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1598         alternatives, add "e" constraint to the new last alternative
1599         and ! to last 3 alternatives.
1600
1601 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1602
1603         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1604         DW_AT_artificial attributes at the end of the processing.
1605         (gen_array_type_die): Likewise.
1606         (gen_enumeration_type_die): Likewise.
1607         (gen_struct_or_union_type_die): Likewise.
1608         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1609         the parent type.
1610
1611 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1612
1613         PR middle-end/52419
1614         * expr.c (expand_assignment): If doing misaligned store that doesn't
1615         cover all mode bits, perform a RMW cycle.
1616
1617         PR tree-optimization/52429
1618         * tree-parloops.c (separate_decls_in_region_debug): Return early
1619         if var is LABEL_DECL.
1620
1621 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1622
1623         PR tree-optimization/52424
1624         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1625         calling dom_thread_across_edge.
1626
1627 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1628
1629         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1630
1631 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1632
1633         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1634         * config/avr/avr.c (avr_output_bld): Remove unused function.
1635         (avr_out_sbxx_branch): Use "%T" to print bit position.
1636
1637 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1638
1639         * config/avr/avr.md: Untabify.
1640
1641 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1642
1643         * config/avr/avr.md (eqne): New code iterator.
1644         (*dec-and-branchsi): Use it in text peephole's condition.
1645         (*dec-and-branchhi): Ditto.
1646         (*dec-and-branchqi): Ditto.
1647
1648 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1649
1650         PR target/49939
1651         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1652         the device does not have the skip-bug.
1653
1654 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1655
1656         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1657         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1658         -mpretend-cmove): New.
1659
1660 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1661
1662         PR bootstrap/52397
1663         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1664         doesn't count DEBUG_INSN refs.
1665         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1666         for DEBUG_INSN refs.
1667
1668 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1669
1670         Partially revert:
1671
1672         2012-02-20  Richard Guenther  <rguenther@suse.de>
1673         PR tree-optimization/52298
1674         * tree-vect-stmts.c (vectorizable_load): Properly use
1675         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1676         outer loops.
1677
1678 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1679
1680         PR middle-end/51752
1681         * gimple.h (gimple_in_transaction): New.
1682         (gimple_set_in_transaction): New.
1683         (struct gimple_statement_base): Add in_transaction field.
1684         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1685         transaction loads.
1686         (tree_ssa_lim_initialize): Compute transaction bits.
1687         * tree.h (compute_transaction_bits): Protoize.
1688         * trans-mem.c (tm_region_init): Use the heap to store BB
1689         auxilliary data.
1690         (compute_transaction_bits): New.
1691
1692 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1693
1694         * gcc.c (display_help): Document --help=common and sort entries
1695         alphabetically.
1696
1697 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1698
1699         * doc/install.texi: Document check-$LANG specific shortcuts
1700
1701 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1702
1703         PR target/51534
1704         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1705         and vcgtu.
1706         * config/arm/arm_neon.h: Regenerate.
1707         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1708         (neon_vcgeu): New insn.
1709         (neon_vcgtu): Likewise.
1710         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1711         (ops): Unsigned comparison intrinsics call a different
1712         builtin.
1713
1714 2012-02-28  Richard Guenther  <rguenther@suse.de>
1715
1716         PR target/52407
1717         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1718         ordering for the VEC_CONCAT for two element vectors for
1719         V2SFmode, V2SImode and V2DImode.
1720
1721 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1722
1723         PR target/49448
1724         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1725         detecting big-endian triplets.
1726
1727 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1728
1729         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1730         mode if there is no type information available.
1731
1732 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1733
1734         PR tree-optimization/53207
1735         * doc/invoke.texi: Document as experimental and relying on graphite.
1736
1737 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1738
1739         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1740         of initializer to changes from r184614.
1741
1742 2012-02-28  Richard Guenther  <rguenther@suse.de>
1743
1744         PR tree-optimization/52395
1745         * tree-sra.c (build_ref_for_offset): Also look at the base
1746         TYPE_ALIGN when figuring out the alignment of the replacement.
1747
1748 2012-02-28  Richard Guenther  <rguenther@suse.de>
1749
1750         PR tree-optimization/52402
1751         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1752         mis-aligned types when creating the accesses at the call site.
1753
1754 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1755
1756         * config/avr/builtins.def: New file.
1757         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1758         * config/avr/avr.c (enum avr_builtin_id): Use it.
1759         (avr_init_builtins): Use it. And use avr_bdesc.
1760         (bdesc_1arg): Remove.
1761         (bdesc_2arg): Remove.
1762         (bdesc_3arg): Remove.
1763         (struct avr_builtin_description): Add field n_args.
1764         (avr_bdesc): New static variable using builtins.def.
1765         (avr_expand_builtin): Use it.
1766         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1767         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1768         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1769
1770 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1771
1772         PR target/52148
1773         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1774         match only one single hard register with respective hard reg rtx.
1775         (movmemx_<mode>): Ditto.
1776         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1777         insn anatomy of movmem[x]_<mode>.
1778         (avr_out_movmem): Same for printing assembler and operand usage.
1779
1780 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1781
1782         PR target/49868
1783         PR target/52261
1784         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1785         address spaces located outside of device flash.
1786
1787         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1788         (mcu_type_s): Add field n_flash.
1789         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1790         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1791         (AVR_MCU): Add N_FLASH argument.
1792         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1793         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1794         macro __FLASH<n> if that address space makes sense for the device.
1795         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1796         outside of target flash.
1797         (avr_asm_named_section): Ditto.
1798         (avr_asm_select_section): Ditto.
1799         (avr_addr_space_convert): Ditto.
1800         (avr_emit_movmemhi): Ditto.
1801         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1802         address space is outside of device flash.
1803         (avr_insert_attributes): Ditto.
1804         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1805         avr_current_arch->n_segments.
1806
1807 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1808
1809         PR target/52352
1810         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1811         TARGET_LP64.
1812         (*movabs<mode>_2): Likewise.
1813
1814 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1815
1816         PR target/52375
1817         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1818         s_register_operand in the test instead of REG_P.  Don't call
1819         gen_reg_rtx if it won't be used.
1820
1821         PR tree-optimization/52376
1822         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1823
1824 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1825
1826         * ifcvt.c (noce_get_condition): Check condition variable is not
1827         small_register_classes_for_mode_p before accepting.
1828
1829 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1830
1831         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1832
1833 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1834
1835         Revert:
1836         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1837         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1838         tuning parameters.
1839         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1840
1841 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1842
1843         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1844
1845 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1846
1847         * config/sh/predicates.md: Remove blank lines.
1848         * config/sh/sh.c: Fix typos in comments.
1849         * config/sh/constraints.md: Likewise.
1850         * config/sh/sh.md: Remove blank lines.
1851         Fix typos in comments.  Use ;; as comment characters.
1852
1853 2012-02-26  Walter Lee  <walt@tilera.com>
1854
1855         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1856         (replace_mov_pcrel_step2): Ditto.
1857
1858 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1859
1860         PR debug/52001
1861         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1862         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1863         and locs that reference values newer than the non-canonical value
1864         at hand.  Return the canonical value as a worst case.
1865         (memrefs_conflict_p): Walk canonical value's locs.
1866
1867         PR debug/52001
1868         * cselib.c (preserve_only_constants): Rename to...
1869         (preserve_constants_and_equivs): ... this.  Split out...
1870         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1871         of other preserved expressions too.
1872         (cselib_reset_table): Adjust.
1873         * var-tracking.c (reverse_op): Use canonical value to build
1874         reverse operation.
1875
1876 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1877
1878         * config/i386/i386.c (ix86_delegitimize_address): Handle
1879         UNSPEC_PCREL plus displacement.
1880
1881 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1882
1883         PR target/52261
1884         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1885         to test for unusedness in st X addressing.
1886
1887 2012-02-24  Richard Guenther  <rguenther@suse.de>
1888
1889         PR middle-end/52361
1890         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1891         (is_gimple_reg_type): Move inline ...
1892         * gimple.h (is_gimple_reg_type): ... here.
1893
1894 2012-02-24  Richard Guenther  <rguenther@suse.de>
1895
1896         PR middle-end/52361
1897         * passes.c (execute_function_todo): When verifying SSA form
1898         verify gimple form first.
1899         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1900
1901 2012-02-24  Richard Guenther  <rguenther@suse.de>
1902
1903         PR middle-end/52355
1904         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1905         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1906
1907 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1908
1909         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1910
1911 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1912
1913         * tree-phinodes.c (make_phi_node): Mark static.
1914         * tree-flow.h (make_phi_node): Remove extern decl.
1915         * doc/gimple.texi (make_phi_node): Remove documentation.
1916
1917 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1918
1919         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1920         * tree-ssa-sccvn.c (print_scc): Ditto.
1921
1922 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1923
1924         * doc/passes.texi (Full redundancy elimination): Fix typo.
1925
1926 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1927
1928         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1929
1930 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1931
1932         PR bootstrap/52287
1933         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1934
1935 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         PR c/52290
1938         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1939
1940 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1941
1942         * config/avr/avr.md (code_stdname): Add ior, xor.
1943         (xior): New code iterator.
1944         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1945         (*<code_stdname><mode>qi.byte1-3): Ditto.
1946
1947 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1948
1949         PR tree-optimization/52019
1950         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1951         CLOBBER stmts.
1952
1953 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1954
1955         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1956         HAVE_INITFINI_ARRAY to work around namespace pollution in
1957         certain versions of newlib system headers.
1958         * config.in: Regenerate.
1959         * configure: Regenerate.
1960         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1961         instead of HAVE_INITFINI_ARRAY.
1962
1963 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1964
1965         PR target/52330
1966         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1967         is not offsettable memory reference.
1968
1969 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1970
1971         PR target/18145
1972         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1973         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1974
1975 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1976
1977         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1978         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1979
1980 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1981
1982         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1983         library on Solaris 8 even without TLS support.
1984         * configure: Regenerate.
1985
1986 2012-02-22  Richard Guenther  <rguenther@suse.de>
1987
1988         PR middle-end/52329
1989         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1990         for GIMPLE_DEBUG stmts.
1991
1992 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1993
1994         PR middle-end/51782
1995         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1996         according to the base object.
1997
1998 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1999
2000         PR rtl-optimization/50063
2001         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2002         and 2 (8-bit SP) in operand 2.
2003         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2004         setup to use movhi_sp_r instead of vanilla move to write SP.
2005         Adjust REG_CFA notes to superseed unspec.
2006         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2007         of vanilla move.
2008         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2009         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2010         irq_state 1 (IRQ known to be on) here.
2011
2012 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2013
2014         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2015         WORDS_BIG_ENDIAN.
2016         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2017         assign_hard_reg): Likewise.
2018
2019 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2020
2021         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2022
2023 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2024
2025         * config/avr/avr.md
2026         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2027         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2028
2029 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2030
2031         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2032         prototype from here to...
2033         * config/avr/avr.h: ...here.
2034
2035 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2036
2037         PR target/52294
2038         * thumb2.md (thumb2_shiftsi3_short): Split register and
2039         immediate shifts.  For register shifts tie operands 0 and 1.
2040         (peephole2 for above): Check that register-controlled shifts
2041         have suitably tied operands.
2042
2043 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2044
2045         PR target/52137
2046         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2047         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2048         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2049         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2050         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2051         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2052         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2053         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2054         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2055         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2056         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2057         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2058         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2059         bdver1_ssevector_avx256_unaligned_load,
2060         bdver1_ssevector_sse128_unaligned_load,
2061         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2062         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2063         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2064         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2065         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2066         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2067         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2068         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2069         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2070         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2071         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2072         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2073         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2074         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2075         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2076         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2077         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2078         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2079         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2080         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2081         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2082         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2083         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2084         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2085         bdver1_ssediv_double_load, bdver1_ssediv_double,
2086         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2087         Add "bdver2" attribute.
2088
2089 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2090
2091         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2092         default if possible and not specified otherwise.
2093
2094 2012-02-21  Richard Guenther  <rguenther@suse.de>
2095
2096         PR middle-end/52314
2097         * gimplify.c (create_tmp_from_val): Use the main variant type
2098         for the type of the temporary we create.
2099
2100 2012-02-21  Richard Guenther  <rguenther@suse.de>
2101
2102         PR tree-optimization/52324
2103         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2104         do not gimplify a MEM_REF address operand if it is already
2105         in suitable form.
2106
2107 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2108
2109         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2110         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2111
2112 2012-02-21  Richard Guenther  <rguenther@suse.de>
2113
2114         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2115         nested_in_vect_loop.
2116
2117 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2118
2119         PR tree-optimization/52318
2120         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2121         vdef also to non-pure/const call stmts in the sequence.
2122
2123 2012-02-20  David S. Miller  <davem@davemloft.net>
2124
2125         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2126         don't use the "rd %pc" instruction on v9 for PIC register loads.
2127
2128 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2129
2130         PR middle-end/52141
2131         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2132         in a transaction safe function.
2133
2134 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2135
2136         PR target/52238
2137         * stor-layout.c (place_field): Handle desired_align for
2138         ms-bitfields, too.
2139
2140 2012-02-20  Richard Guenther  <rguenther@suse.de>
2141
2142         PR tree-optimization/52298
2143         * tree-vect-stmts.c (vectorizable_store): Properly use
2144         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2145         outer loops.
2146         (vectorizable_load): Likewise.
2147         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2148         Access DR_STEP after ensuring it is not NULL.
2149
2150 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2151
2152         PR tree-optimization/52286
2153         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2154         optimization use double_int_to_tree instead of build_int_cst_wide,
2155         rewrite to use double_int vars.
2156
2157 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2158
2159         PR target/50166
2160         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2161         Define _start.
2162         Remove -e 0 from $gcc_cv_ld invocation.
2163         Only use __GLIBC_PREREQ if defined.
2164         Enable on Solaris since Solaris 8 patch.
2165         (gcc_SUN_LD_VERSION): New macro.
2166         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2167         gcc_SUN_LD_VERSION for version number format.
2168         * configure: Regenerate.
2169         * varasm.c (get_elf_initfini_array_priority_section): Set
2170         SECTION_NOTYPE for non-default priority.
2171         Use get_section instead of get_unnamed_section to emit
2172         .init_array/.fini_array with default priority.
2173
2174 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2175
2176         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2177         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2178         (mips_start_unique_function, mips_output_mips16_rdhwr)
2179         (mips_code_end): New functions.
2180         (TARGET_ASM_CODE_END): Define.
2181
2182 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2183
2184         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2185         to stubs with non-sibling calls.
2186
2187 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2188
2189         * doc/invoke.texi (-fira-* options): Copy-edit.
2190         (ira-* parameters): Copy-edit.
2191
2192 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2193
2194         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2195         GCC coding conventions.
2196
2197 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2198
2199         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2200         when used as adjectives.
2201
2202 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2203
2204         * doc/invoke.texi: Clean up "that"/"which" confusion.
2205
2206 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2207
2208         * system.h: Poison SMALL_REGISTER_CLASSES
2209         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2210         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2211
2212 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2213
2214         PR tree-optimization/52285
2215         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2216         when deciding if a call is a tail call or tail recursion.
2217
2218 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2219
2220         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2221         interger-constant displacement for UNSPEC_PCREL.
2222
2223 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2224
2225         PR rtl-optimization/52208
2226         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2227         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2228
2229         PR tree-optimization/52255
2230         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2231         loop->header has virtual PHI, but exit_e->dest doesn't, add
2232         virtual PHI to exit_e->dest and adjust all uses after the loop.
2233
2234         PR debug/52260
2235         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2236         children with clone_tree_hash, not after it.
2237
2238 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2239
2240         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2241         extended identifiers.
2242
2243 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2244
2245         PR middle-end/51929
2246         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2247         a same_body_alias, also test whether e->callee isn't a former
2248         or current clone of the decl this is a same body alias of.
2249
2250         PR translation/52264
2251         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2252
2253 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2254
2255         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2256
2257 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2258
2259         PR target/52199
2260         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2261         force_reg instead of copy_to_reg for better optimization.  Force
2262         non-register or memory operands into a register.
2263
2264 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2265
2266         * extend.texi: Reserve upper bits of memory model for future use.
2267
2268 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2269             Anatoly Sokolov <aesok@post.ru>
2270             Eric Weddington <eric.weddington@atmel.com>
2271
2272         PR target/52261
2273         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2274         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2275         Rewrite initializers for .macro.
2276         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2277         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2278         atxmega32d4, atxmega32x1.
2279         avrxmega4: atxmega64a3, atxmega64d3.
2280         avrxmega5: atxmega64a1, atxmega64a1u.
2281         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2282         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2283         avrxmega7: atxmega128a1, atxmega128a1u.
2284         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2285         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2286         (struct base_arch_s): Rename reserved to xmega_p.
2287         Rename reserved2 to have_rampd.
2288         (AVR_XMEGA): New define.
2289         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2290         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2291         * config/avr/predicates.md (io_address_operand): Take into
2292         account SFR offset.
2293         (low_io_address_operand): Ditto.
2294         (high_io_address_operand): Ditto.
2295         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2296         (enabled, movhi_sp_r): Use them.
2297         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2298         cpp_define_formatted to built-in define __AVR_ARCH__.
2299         (__AVR_XMEGA__): New built-in define.
2300         (__AVR_HAVE_RAMPD__): New built-in define.
2301         (__AVR_HAVE_RAMPX__): New built-in define.
2302         (__AVR_HAVE_RAMPY__): New built-in define.
2303         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2304
2305         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2306         (avr_option_override): Initialize them.
2307         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2308         (avr_init_expanders): Initialize them. No more block several calls.
2309         (emit_push_sfr): New static function.
2310         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2311         Handle AVR_XMEGA.
2312         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2313         (avr_print_operand): Print addreeses as symbols for
2314         RAMPX, RAMPY, RAMPD, CCP.
2315         (output_movhi): Handle AVR_XMEGA when writing to SP.
2316         (avr_out_movhi_mr_r_xmega): New static function.
2317         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2318         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2319         __RAMPD__,  __CCP__ as needed.
2320
2321         * config/avr/multilib.h: Regenerate.
2322         * config/avr/t-multilib: Regenerate.
2323         * config/avr/avr-tables.opt: Regenerate.
2324
2325 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2326
2327         PR tree-optimization/50561
2328         * graphite-flattening.c (lst_project_loop): Do not
2329         remove old scattering dimensions after flattening.
2330         (lst_do_flatten): Likewise.
2331
2332 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2333
2334         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2335         __builtin_avr_map8, __builtin_avr_map16.
2336         Document __builtin_avr_insert_bits.
2337
2338         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2339         (insert_bits): New insn.
2340         (adjust_len.map_bits): Rename to insert_bits.
2341         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2342         * avr-protos.h (avr_out_map_bits): Remove.
2343         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2344         * config/avr/constraints.md (Cxf,C0f): New.
2345         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2346         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2347         New built-in define __BUILTIN_AVR_INSERT_BITS.
2348         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2349         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2350         (avr_move_bits): Rewrite.
2351         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2352         functions.
2353         (avr_map_op_t): New typedef.
2354         (avr_map_op): New static variable.
2355         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2356         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2357         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2358         (bdesc_3arg, avr_expand_triop_builtin): New.
2359         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2360         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2361         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2362         (avr_map_equal_p, avr_map_sig_p): Remove.
2363         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2364         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2365         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2366         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2367         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2368         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2369
2370 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2371
2372         * config/c6x/c6x.md (reserve_cycles): New attribute.
2373         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2374         don't reserve functional units after the branch occurs.
2375
2376 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2377
2378         PR middle-end/52142
2379         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2380         functions into non-tm_pure functions.
2381
2382 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2383
2384         PR lto/52178
2385         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2386         (iterative_hash_canonical_type): Likewise.
2387         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2388         the dead edges.
2389
2390 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2391
2392         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2393         sched-group insn, it either remains alone or the entire list is pruned.
2394
2395 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2396
2397         * doc/install.texi (Prerequisites): Fix grammar.
2398         (Configuration): Likewise.
2399
2400 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2401
2402         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2403         MPC as part of GCC before describing configuring with --with-gmp etc.
2404         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2405         sources are present.
2406
2407 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2408
2409         PR debug/51950
2410         * dwarf2out.c (clone_tree_hash): New function.
2411         (copy_decls_walk): Use it instead of clone_tree.
2412
2413 2012-02-14  Richard Guenther  <rguenther@suse.de>
2414
2415         PR tree-optimization/52244
2416         PR tree-optimization/51528
2417         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2418         replacements for integral types.
2419
2420 2012-02-14  Walter Lee  <walt@tilera.com>
2421
2422         * config.gcc: Handle tilegx and tilepro.
2423         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2424         tilegx and tilepro.
2425         Add HAVE_AS_TLS check for tilegx and tilepro.
2426         * configure: Regenerate.
2427         * doc/contrib.texi: Add Mat Hostetter and self.
2428         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2429         Document instruction intrinsics and network accessing intrinsics.
2430         (TILEPro Built-in Functions): New node.  Document instruction
2431         intrinsics and network accessing intrinsics.
2432         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2433         (Specific, tilepro-*-linux*): Likewise.
2434         * doc/invoke.texi (TILE-Gx Options): New section.
2435         (TILEPro Options): New section.
2436         * doc/md.texi (TILE-Gx): New section.
2437         (TILEPro): New section.
2438         * common/config/tilegx/tilegx-common.c: New file.
2439         * common/config/tilepro/tilepro-common.c: New file.
2440         * config/tilegx/constraints.md: New file.
2441         * config/tilegx/linux.h: New file.
2442         * config/tilegx/mul-tables.c: New file.
2443         * config/tilegx/predicates.md: New file.
2444         * config/tilegx/sync.md: New file.
2445         * config/tilegx/t-tilegx: New file.
2446         * config/tilegx/tilegx-builtins.h: New file.
2447         * config/tilegx/tilegx-c.c: New file.
2448         * config/tilegx/tilegx-generic.md: New file.
2449         * config/tilegx/tilegx-modes.def: New file.
2450         * config/tilegx/tilegx-multiply.h: New file.
2451         * config/tilegx/tilegx-protos.h: New file.
2452         * config/tilegx/tilegx.c: New file.
2453         * config/tilegx/tilegx.h: New file.
2454         * config/tilegx/tilegx.md: New file.
2455         * config/tilegx/tilegx.opt: New file.
2456         * config/tilepro/constraints.md: New file.
2457         * config/tilepro/gen-mul-tables.cc: New file.
2458         * config/tilepro/linux.h: New file.
2459         * config/tilepro/mul-tables.c: New file.
2460         * config/tilepro/predicates.md: New file.
2461         * config/tilepro/t-tilepro: New file.
2462         * config/tilepro/tilepro-builtins.h: New file.
2463         * config/tilepro/tilepro-c.c: New file.
2464         * config/tilepro/tilepro-generic.md: New file.
2465         * config/tilepro/tilepro-modes.def: New file.
2466         * config/tilepro/tilepro-multiply.h: New file.
2467         * config/tilepro/tilepro-protos.h: New file.
2468         * config/tilepro/tilepro.c: New file.
2469         * config/tilepro/tilepro.h: New file.
2470         * config/tilepro/tilepro.md: New file.
2471         * config/tilepro/tilepro.opt: New file.
2472
2473 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2474
2475         PR tree-optimization/52210
2476         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2477         vect_model_simple_cost with two entry vect_def_type array instead
2478         of an address of dt.
2479
2480 2012-02-14  Richard Guenther  <rguenther@suse.de>
2481
2482         PR lto/52178
2483         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2484         Do not stream DECL_QUALIFIER.
2485         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2486         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2487         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2488
2489 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2490
2491         PR c/52181
2492         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2493         newdecl.
2494
2495 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2496
2497         PR bootstrap/52172
2498         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2499         * cselib.c (cselib_subst_to_values_from_insn): New function.
2500         * sched-deps.c (add_insn_mem_dependence,
2501         sched_analyze_1, sched_analyze_2): Use it.
2502
2503 2012-02-13  Jan Hubicka  <jh@suse.cz>
2504
2505         PR middle-end/52214
2506         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2507
2508 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2509
2510         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2511         (GTM_SELF_SPECS): Define if not already defined.
2512         (driver_self_specs): Add GTM_SELF_SPECS.
2513         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2514         (GTM_SELF_SPECS): Define.
2515         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2516         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2517
2518 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2519
2520         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2521         away if seen.
2522
2523         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2524
2525         PR middle-end/52230
2526         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2527         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2528
2529 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2530
2531         PR c/52190
2532         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2533
2534 2012-02-13  Richard Guenther  <rguenther@suse.de>
2535
2536         PR translation/52211
2537         * passes.c (enable_disable_pass): Fix typo.
2538
2539 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2540
2541         PR middle-end/52209
2542         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2543         XOR for reduce_bit_field if type is unsigned.
2544
2545 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2546
2547         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2548         disallow changes from SFmode to mode with different size in FP regs.
2549
2550 2012-02-12  Robert Millan  <rmh@gnu.org>
2551             Gerald Pfeifer <gerald@pfeifer.com>
2552
2553         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2554         Tweak comment.
2555
2556 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2557
2558         PR rtl-optimization/52175
2559         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2560         to frame-related instructions.
2561
2562 2012-02-10  Jason Merrill  <jason@redhat.com>
2563
2564         PR c++/51910
2565         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2566         (demangle_new_symbols): Fill it.
2567         (scan_linker_output): Walk it.
2568         (start_tweaking): Split out from scan_linker_output.
2569         (maybe_tweak): Update sym->chosen.
2570         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2571
2572 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2573
2574         PR debug/52132
2575         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2576
2577 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2578
2579         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2580         having the same mode as previous compare.
2581
2582 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2583
2584         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2585         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2586         (nonlocal_goto_internal): Likewise.
2587         (nonlocal_goto): Emit a use and an indirect jump directly.
2588
2589 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2590
2591         PR c/52190
2592         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2593         __atomic_{is,always}_lock_free.
2594
2595 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2596
2597         PR target/52146
2598         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2599         negative constant address for x32.
2600
2601 2012-02-10  Richard Henderson  <rth@redhat.com>
2602
2603         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2604         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2605         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2606
2607 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2608             Ira Rosen  <irar@il.ibm.com>
2609
2610         PR tree-optimization/50031
2611         * targhooks.c (default_builtin_vectorization_cost): Handle
2612         vec_promote_demote.
2613         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2614         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2615         all types of reduction and pattern statements.
2616         (vect_estimate_min_profitable_iters): Likewise.
2617         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2618         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2619         for explicit realigns.
2620         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2621         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2622         vec_promote_demote.
2623         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2624         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2625         vec_perm for VSX and handle vec_promote_demote.
2626
2627 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2628
2629         PR middle-end/52177
2630         * builtins.c (fold_builtin_atomic_always_lock_free,
2631         expand_builtin_atomic_always_lock_free,
2632         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2633         Return and/or test boolean_true_node/boolean_false_node instead of
2634         integer_one_node/integer_zero_node.
2635
2636 2012-02-10  Jan Hubicka  <jh@suse.cz>
2637
2638         PR middle-end/48600
2639         * predict.c (predict_paths_for_bb): Prevent looping.
2640         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2641
2642 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2643
2644         * config/arm/arm.c (output_move_double): In one case properly
2645         count number of instructions that will be emitted.
2646
2647 2012-02-10  Richard Guenther  <rguenther@suse.de>
2648
2649         PR translation/52193
2650         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2651
2652 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2653
2654         PR middle-end/52140
2655         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2656
2657 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2658
2659         PR debug/52165
2660         * var-tracking.c (emit_note_insn_var_location): If
2661         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2662         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2663         non-NOTE_DURING_CALL_P insn.
2664
2665 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2666
2667         PR middle-end/51867
2668         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2669
2670 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2671
2672         PR driver/48524
2673         * gcc.c (switch_matches) Support switches with separated form,
2674         -D and -U.
2675
2676 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2677
2678         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2679         (SP_ADDR): Ditto.
2680         (RAMPZ_ADDR): Ditto.
2681         * config/avr/avr.c (avr_addr_t): New typedef.
2682         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2683         (avr_init_expanders): Initialize it.
2684         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2685         SREG_ADDR.
2686         (expand_epilogue): Ditto.
2687         (avr_print_operand): Ditto.
2688         (avr_file_start): Ditto.
2689         (avr_emit_movmemhi): Ditto.
2690
2691 2012-02-08  Richard Guenther  <rguenther@suse.de>
2692
2693         PR tree-optimization/46886
2694         * tree-flow.h (do_while_loop_p): Declare.
2695         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2696         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2697
2698 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2699
2700         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2701         always succeed for integers larger than a native word.
2702
2703 2012-02-08  Richard Guenther  <rguenther@suse.de>
2704
2705         PR rtl-optimization/52170
2706         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2707         properly handle integer vector modes.
2708
2709 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2710
2711         PR gcov-profile/52150
2712         * coverage.c: Include target.h.
2713         (build_var): Call targetm.strip_name_encoding on the assembler name.
2714         Change one _ into . or $ if the target allows it.
2715         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2716
2717         PR rtl-optimization/52139
2718         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2719         is a BARRIER after emit_insn_after_noloc, move BB_END
2720         to the last non-BARRIER insn before it.
2721
2722 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2723
2724         PR middle-end/24306
2725         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2726         (mips_gimplify_va_arg_expr): Call it instead of
2727         std_gimplify_va_arg_expr.
2728
2729 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2730
2731         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2732         message for -mno-pointers-to-nested-function.
2733
2734 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2735
2736         PR middle-end/51994
2737         * expr.c (get_inner_reference): If there is an offset, add a negative
2738         bit position to it (if any).
2739
2740 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2741
2742         PR rtl-optimization/52060
2743         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2744         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2745         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2746         and/or i0src_copy2 when needed.
2747
2748 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2749
2750         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2751         or LTOPLUGINSONAME if have_c.
2752
2753         * config/freebsd-spec.h: Add comment about what macros can be defined
2754         in this header.
2755         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2756         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2757         here instead.
2758
2759 2012-02-07  Richard Guenther  <rguenther@suse.de>
2760
2761         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2762         newline in -alias dumps.
2763
2764 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2765             Dave Korn  <dave.korn.cygwin@gmail.com>
2766
2767         PR target/40068
2768         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2769         Take care that typinfo gets dllexport-attribute.
2770
2771 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2772
2773         PR middle-end/52074
2774         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2775         if modifier < EXPAND_SUM call force_operand on the result.
2776
2777 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2778
2779         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2780         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2781         present.
2782         (epiphany_function_type): Replace types for specific interrupts with
2783         EPIPHANY_FUNCTION_INTERRUPT.
2784         (EPIPHANY_INTERRUPT_P): Update.
2785         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2786         New static function.
2787         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2788         <disinterrupt>: Affects type identity.
2789         (epiphany_handle_interrupt_attribute): Handle variable number of
2790         arguments.
2791         (epiphany_compute_function_type): Update for new
2792         epiphany_function_type definition.
2793         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2794         handlers with a longcall forwarder.
2795         (epiphany_start_function): Handle multiple interrupt arguments and/or
2796         forwarder_section attribute.
2797
2798         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2799         libgloss.
2800
2801 2012-02-07  Alan Modra  <amodra@gmail.com>
2802
2803         PR target/52107
2804         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2805         subregs of TFmode.
2806
2807 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2808
2809         PR tree-optimization/50969
2810         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2811         use vec_perm rather than vector_stmt.
2812         (vect_model_load_cost): Likewise.
2813         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2814         vec_perm to be the same as other vector statements.
2815         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2816         cost of vec_perm for TARGET_VSX.
2817
2818 2012-02-06  Richard Guenther  <rguenther@suse.de>
2819
2820         PR tree-optimization/52115
2821         * tree-sra.c (access_has_replacements_p): New function.
2822         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2823
2824 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2825
2826         PR middle-end/52047
2827         * trans-mem.c (expand_call_tm): Add an assertion.
2828         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2829         functions.
2830
2831 2012-02-06  Richard Guenther  <rguenther@suse.de>
2832
2833         PR tree-optimization/50955
2834         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2835         raise cost of expressions that replace an address with an
2836         expression based on a different pointer.
2837
2838 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2839
2840         PR target/52129
2841         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2842         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2843
2844 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2845
2846         PR c++/48680
2847         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2848         -Weffc++ and specify guidelines come from second edition.
2849
2850 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2851
2852         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2853         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2854         (call_direct_split, call_value_split, call_value_internal_direct)
2855         (call_value_direct_split, call_value_multiple_split): Use jal and
2856         jal_macro attributes.
2857
2858 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2859
2860         * reload1.c (reload_regs_reach_end_p): Replace with...
2861         (reload_reg_rtx_reaches_end_p): ...this function.
2862         (new_spill_reg_store): Update commentary.
2863         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2864         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2865         before setting new_spill_reg_store.
2866         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2867         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2868         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2869         for non-spill reload registers.
2870
2871 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2872
2873         PR tree-optimization/52091
2874         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2875         (vect_is_simple_use_1): Likewise.
2876         * tree-vect-loop.c (vectorizable_reduction): Update calls
2877         to vect_is_simple_use_1 and vect_is_simple_use.
2878         (vectorizable_live_operation): Likewise.
2879         * tree-vect-patterns.c (widened_name_p,
2880         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2881         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2882         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2883         vectorizable_shift,vectorizable_operation, vectorizable_store,
2884         vectorizable_load): Likewise.
2885         (vect_is_simple_cond): Add an argument, pass it to
2886         vect_is_simple_use_1.
2887         (vectorizable_condition): Update calls to vect_is_simple_cond,
2888         vect_is_simple_use.
2889         (vect_is_simple_use): Add an argument, the statement in which
2890         OPERAND is used.  Check that if OPERAND's def stmt is a double
2891         reduction phi node, the use is a phi node too.
2892         (vect_is_simple_use_1): Add an argument, pass it to
2893         vect_is_simple_use.
2894         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2895         to vect_is_simple_use.
2896
2897 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2898
2899         PR rtl-optimization/52095
2900         * modulo-sched.c (dump_insn_locator): New function.
2901         (loop_canon_p, sms_schedule): Use it.
2902
2903         PR rtl-optimization/52113
2904         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2905         even for decomposable shift/zext insns.
2906
2907 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2908             Zdenek Dvorak  <ook@ucw.cz>
2909
2910         PR rtl-optimization/52092
2911         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2912         on get_iv_value result.
2913
2914 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2915
2916         PR middle-end/47982
2917         PR middle-end/43967
2918         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2919
2920 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2921
2922         PR middle-end/48071
2923         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2924
2925 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2926
2927         PR rtl-optimization/49800
2928         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2929         (sched_finish): Call regstat_free_n_sets_and_refs.
2930
2931 2012-02-02  Jia Liu  <proljc@gmail.com>
2932
2933         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2934         than operand 2.
2935
2936 2012-02-02  Jan Hubicka  <jh@suse.cz>
2937             Tom de Vries  <tom@codesourcery.com>
2938
2939         PR middle-end/51998
2940         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2941         * varpool.c (varpool_analyze_pending_decls): Likewise.
2942
2943 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2944             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2945
2946         * config.gcc: Add cr16-* support.
2947
2948         * doc/extend.texi: Document cr16 extensions.
2949         * doc/install.texi: Document cr16 install.
2950         * doc/invoke.texi: Document cr16 options.
2951         * doc/md.texi: Document cr16 constraints.
2952
2953         * common/config/cr16/cr16-common.c: New file.
2954         * config/cr16/cr16.c: New file.
2955         * config/cr16/cr16.h: New file.
2956         * config/cr16/cr16.md: New file.
2957         * config/cr16/cr16.opt: New file.
2958         * config/cr16/cr16-protos.h: New file.
2959         * config/cr16/predicates.md: New file.
2960         * config/cr16/constraints.md: New file.
2961         * config/cr16/t-cr16: New file.
2962
2963 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2964
2965         PR target/52086
2966         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2967         that operands[2] is either immediate, or q_regs_operand.
2968
2969         PR tree-optimization/52073
2970         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2971         a pattern stmt for pattern uses, ignore uses outside of the loop.
2972
2973 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2974
2975         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2976         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2977         (OUT_AS1, OUT_AS2): Remove.
2978
2979 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2980
2981         PR rtl-optimization/51374
2982         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2983         to cross other volatile_refs_p insns.
2984
2985 2012-02-01  Richard Guenther  <rguenther@suse.de>
2986
2987         * doc/invoke.texi (fno-inline): Clarify documentation.
2988         (finline-small-functions): Likewise.
2989         (finline-functions): Likewise.
2990         * common.opt (finline): Adjust comment and documentation.
2991         (finline-small-functions): Clarify documentation.
2992         (finline-functions): Likewise.
2993         (finline-functions-called-once): Likewise.
2994
2995 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2996
2997         * c-typeck.c (composite_type): Keep mode for pointers.
2998
2999 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3000
3001         * function.h (regno_reg_rtx): Adjust comment.
3002         * reginfo.c (init_reg_modes_target): Only use the previous mode
3003         if it fits within one register.  Remove MIPS comment.
3004
3005 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3006
3007         PR bootstrap/52058
3008         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3009
3010 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3011
3012         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3013         to srak instruction.
3014
3015 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3016
3017         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3018
3019 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3020
3021         PR bootstrap/52041
3022         PR bootstrap/52039
3023         PR target/51974
3024         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3025
3026 2012-01-31  Richard Guenther  <rguenther@suse.de>
3027
3028         PR tree-optimization/51528
3029         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3030         assigns.
3031
3032 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3033
3034         PR bootstrap/52041
3035         PR bootstrap/52039
3036         PR target/51974
3037         * ree.c (add_removable_extension): Change def_map argument
3038         to unsigned *, store in def_map 1 + offset into *insn_list vector
3039         instead of pointers into the vector.
3040         (find_removable_extensions): Adjust caller.
3041
3042 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3043
3044         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3045         Transform all "* quoted-c-code" to { c-code }.
3046         Remove redundant test for "optimize" in combine patterns.
3047         Move (include "avr-dimode.md") to end of file.
3048
3049 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3050
3051         PR target/51835
3052         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3053         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3054
3055 2012-01-30  Richard Guenther  <rguenther@suse.de>
3056
3057         PR tree-optimization/52028
3058         * tree-loop-distribution.c (ldist_gen): Properly update
3059         virtual SSA form.
3060
3061 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3062
3063         PR debug/52027
3064         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3065         set_cur_line_info_table if not emitting debug info.
3066
3067         PR tree-optimization/52046
3068         * tree-vect-patterns.c (check_bool_pattern): Give up if
3069         a comparison could throw.
3070
3071         PR debug/52048
3072         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3073
3074 2012-01-30  Richard Guenther  <rguenther@suse.de>
3075
3076         PR tree-optimization/52045
3077         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3078         SSA form if cfgcleanup did anything.
3079
3080 2012-01-30  Richard Guenther  <rguenther@suse.de>
3081
3082         PR tree-optimization/52045
3083         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3084         before computing final todo.
3085
3086 2012-01-30  Richard Guenther  <rguenther@suse.de>
3087
3088         PR tree-optimization/51528
3089         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3090         for PR51528 fix.
3091
3092 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3093
3094         * df-problems.c (df_kill_notes): Check that the use refers
3095         to the note under examination.
3096
3097 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3098
3099         PR target/51920
3100         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3101         parameter and use short-lived pseudos.
3102         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3103         (sparc_expand_vector_init): Const-ify local variables and adjust
3104         calls to above functions.
3105
3106 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3107
3108         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3109
3110 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3111
3112         * doc/invoke.texi: Make usage of "compile time" and
3113         "run time"/"runtime" consistent throughout the file.
3114
3115 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3116
3117         * config/alpha/alpha.c (alpha_option_override): Default to
3118         full IEEE compliance mode for Go language.
3119
3120 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3121
3122         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3123         (LINK_SSP_SPEC): Define.
3124
3125 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3126
3127         PR target/51871
3128         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3129         stubs.
3130
3131 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3132
3133         * doc/invoke.texi: Correct hyphenation of "floating point",
3134         "double precision", and related terminology throughout the file.
3135
3136 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3137
3138         PR target/52006
3139         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3140         arm_general_register_operand predicate for operand 2 instead of
3141         register_operand.
3142
3143 2012-01-27  Ian Lance Taylor  <iant@google.com>
3144
3145         PR go/47656
3146         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3147         * builtins.c (expand_builtin_init_trampoline): Add onstack
3148         parameter.  Change caller.
3149         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3150         * tree.c (build_common_builtin_nodes): Declare
3151         __builtin_init_heap_trampoline.
3152
3153 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3154
3155         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3156         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3157         * config/avr/avr.c: Ditto.
3158         (avr_regnames): Remove because unused.
3159         * config/avr/avr.md (*cpse.ne): New peephole.
3160         (*cpse.eq): New peephole from former cpse peepholes.
3161
3162 2012-01-27  Michael Eager  <eager@eagercon.com>
3163
3164         * config/microblaze.c (microblaze_emit_compare): Correct
3165         test after pcmp instruction.
3166
3167 2012-01-27  Richard Guenther  <rguenther@suse.de>
3168
3169         PR tree-optimization/52020
3170         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3171
3172 2012-01-27  Richard Guenther  <rguenther@suse.de>
3173
3174         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3175         function non-const/pure.
3176
3177 2012-01-27  Richard Guenther  <rguenther@suse.de>
3178
3179         PR tree-optimization/50444
3180         * tree-sra.c (build_ref_for_offset): Properly adjust the
3181         MEM_REF type for unaligned accesses.
3182
3183 2012-01-27  Richard Guenther  <rguenther@suse.de>
3184
3185         PR tree-optimization/50444
3186         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3187         (expand_assignment): Use it.  Properly handle misaligned
3188         bases when expanding stores to component references.
3189         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3190         refactor that case.
3191
3192 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3193
3194         PR middle-end/51389
3195         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3196         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3197         * tree-data-ref.c (find_data_references_in_loop): Make static.
3198         (compute_all_dependences): Change return type to bool.  Bail out
3199         for too many datarefs in a loop.  Move the hunk resetting the data
3200         dependences vector from ...
3201         (compute_data_dependences_for_loop): ... here.  Account for
3202         compute_all_dependences returning false.
3203         (compute_data_dependences_for_bb): Likewise.
3204         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3205         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3206
3207 2012-01-27  Richard Guenther  <rguenther@suse.de>
3208
3209         PR middle-end/51959
3210         * expr.c (store_field): Use the alias-set of the scratch memory
3211         for storing to it.
3212
3213 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3214
3215         PR tree-optimization/51990
3216         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3217         WITH_SIZE_EXPR.
3218         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3219
3220 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3221
3222         PR debug/52001
3223         * var-tracking.c (reverse_op): Don't add any reverse operation
3224         if V already has any constant locations.
3225
3226 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3227
3228         * doc/invoke.texi: Correct usage of "command line" (noun)
3229         vs "command-line" (adjective) throughout.
3230
3231 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3232
3233         * doc/invoke.texi (Language Independent Options): Move
3234         -Wcoverage-mismatch blurb from here....
3235         (Warning Options): ...to here.
3236
3237 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3238
3239         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3240         Set rs6000_always_hint to false for 476.
3241
3242 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3243
3244         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3245           system root.
3246         * incpath.c (add_standard_paths): Likewise.
3247
3248 2012-01-27  Richard Henderson  <rth@redhat.com>
3249
3250         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3251         * config/m68k/sync.md (atomic_test_and_set): Rename from
3252         sync_test_and_setqi and adjust the operands.
3253         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3254         and unconditionally enable.
3255
3256 2012-01-27  Richard Henderson  <rth@redhat.com>
3257
3258         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3259         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3260         (ldstub): Rename from ldstubqi.
3261         (ldstub<I24MODE>): Remove.
3262
3263 2012-01-27  Richard Henderson  <rth@redhat.com>
3264
3265         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3266         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3267         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3268         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3269         * doc/tm.texi: Rebuild.
3270
3271 2012-01-27  Richard Henderson  <rth@redhat.com>
3272
3273         * optabs.c (gen_atomic_test_and_set): Remove default.
3274         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3275
3276 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3277
3278         PR rtl-optimization/51978
3279         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3280         (combine_reaching_defs): Likewise.
3281         (struct re_info): Remove.
3282         (add_removable_extension): Remove x and data arguments,
3283         add insn, insn_list and def_map.  Use the arguments directly
3284         instead of using struct re_info.
3285         (find_removable_extensions): Don't call add_removable_extension
3286         through note_stores, instead just call it with single_set
3287         result if non-NULL.
3288         (find_and_remove_re): Pass curr_cand->expr instead of
3289         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3290
3291 2012-01-26  Michael Matz  <matz@suse.de>
3292
3293         PR tree-optimization/46590
3294         * cfgexpand.c: Revert last change (r183305).
3295         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3296         regs.
3297         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3298         checking for emptiness.
3299
3300 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3301
3302         PR middle-end/51895
3303         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3304         non-addressable non-BLKmode base correctly.
3305
3306 2012-01-26  Michael Matz  <matz@suse.de>
3307
3308         PR tree-optimization/48794
3309         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3310         regions referenced from RESX/EH_DISPATCH.
3311
3312 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3313
3314         * config/s390/s390.h: Make BRANCH_COST an option.
3315         * config/s390/s390.opt: New option -mbranch-cost.
3316
3317 2012-01-26  Richard Henderson  <rth@redhat.com>
3318
3319         Revert 2012-01-24 change:
3320         * trans-mem.c (requires_barrier): Do not instrument thread local
3321         variables and emit save/restore for them.
3322
3323 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3324
3325         PR middle-end/51986
3326         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3327         for pat == 0.
3328
3329 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3330
3331         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3332         ASM_OPERANDS.
3333
3334 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3335
3336         PR target/49868
3337         Rename __pgm to __flash.
3338         Rename __pgm1 to __flash1.
3339         Rename __pgm2 to __flash2.
3340         Rename __pgm3 to __flash3.
3341         Rename __pgm4 to __flash4.
3342         Rename __pgm5 to __flash5.
3343         Rename __pgmx to __memx.
3344         * doc/extend.texi (AVR Named Address Spaces)
3345         Rename address space names as indicated above.
3346         * config/avr/avr.c (avr_addrspace): Ditto.
3347
3348         * config/avr/avr-protos.h
3349         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3350         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3351         * config/avr/predicates.md: Ditto.
3352         * config/avr/avr.c Ditto, and
3353         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3354         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3355
3356         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3357         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3358         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3359         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3360         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3361         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3362         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3363         * config/avr/avr.c: Ditto.
3364         * config/avr/avr.md: Ditto.
3365
3366 2012-01-25  Jason Merrill  <jason@redhat.com>
3367
3368         PR c++/51992
3369         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3370
3371 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3372
3373         PR tree-optimization/51987
3374         * tree-data-ref.c (get_references_in_stmt): Handle references in
3375         non-volatile GIMPLE_ASM.
3376
3377 2012-01-25  Richard Guenther  <rguenther@suse.de>
3378
3379         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3380         bases are dereferenced.
3381
3382 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3383
3384         PR rtl-optimization/48374
3385         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3386
3387 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3388
3389         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3390         compute_data_dependences_for_loop returns false.
3391         * tree-parloops.c (loop_parallel_p): Likewise.
3392
3393 2012-01-25  Richard Guenther  <rguenther@suse.de>
3394
3395         * tree.h (get_pointer_alignment_1): Declare.
3396         * builtins.c (get_pointer_alignment_1): New function.
3397         (get_pointer_alignment): Use it.
3398
3399 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3400
3401         PR rtl-optimization/48308
3402         * combine.c (enum undo_kind): Add UNDO_LINKS.
3403         (struct undo): Add member l to other_contents and where.
3404         (do_SUBST_LINK): New.
3405         (SUBST_LINK): New.
3406         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3407         (undo_all): Handle UNDO_LINKS.
3408
3409 2012-01-25  Richard Henderson  <rth@redhat.com>
3410
3411         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3412         mem inputs.
3413
3414 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3415
3416         * optabs.c (gen_atomic_test_and_set): Use each argument.
3417
3418 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3419
3420         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3421         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3422         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3423         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3424         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3425         TARGET_PAIRED_SINGLE_FLOAT.
3426
3427 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3428
3429         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3430         (in_struct, return_val): Remove MEM documentation.
3431         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3432         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3433         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3434         and MEM_SCALAR.
3435         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3436         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3437         * expr.c (store_field): Likewise.
3438         * function.c (assign_stack_temp_for_type): Likewise.
3439         * ifcvt.c (noce_try_cmove_arith): Likewise.
3440         * reload1.c (reload): Likewise.
3441         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3442         (alpha_set_memflags): Likewise.
3443         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3444
3445 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3446
3447         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3448         parameter.
3449         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3450         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3451         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3452         varies parameter.
3453         * cselib.c (cselib_rtx_varies_p): Delete.
3454         (cselib_invalidate_mem): Update call to canon_true_dependence.
3455         * dse.c (record_store, check_mem_read_rtx): Likewise.
3456         (scan_reads_nospill): Likewise.
3457         * cse.c (check_dependence): Likewise.
3458         (cse_rtx_varies_p): Delete.
3459         * expr.c (safe_from_p): Update call to true_dependence.
3460         * ira.c (validate_equiv_mem_from_store): Likewise.
3461         (memref_referenced_p): Likewise.
3462         * postreload-gcse.c (find_mem_conflicts): Likewise.
3463         * sched-deps.c (sched_analyze_2): Likewise.
3464         * store-motion.c (load_kills_store): Likewise.
3465         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3466         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3467         (compute_transp): Update call to canon_true_dependence.
3468
3469 2012-01-25  Richard Henderson  <rth@redhat.com>
3470
3471         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3472         (maybe_emit_atomic_test_and_set): New.
3473         (expand_sync_lock_test_and_set): Use it.
3474         (expand_atomic_test_and_set): Likewise.
3475         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3476         the implementation; clarify implementation defined details.
3477         * doc/md.texi (atomic_test_and_set): Document.
3478
3479 2012-01-25  Richard Henderson  <rth@redhat.com>
3480
3481         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3482
3483 2012-01-25  Richard Henderson  <rth@redhat.com>
3484
3485         PR target/51968
3486         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3487         to effect no-op split.
3488
3489 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3490
3491         PR lto/51698
3492         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3493         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3494         (BT_FN_VOID_PTR_INT_SIZE): New.
3495         (BT_FN_UINT_UINT_VAR): Remove.
3496         (BT_FN_UINT32_UINT32_VAR): New.
3497         (BT_FN_DOUBLE_VPTR): Remove.
3498         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3499
3500         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3501         (_ITM_changeTransactionMode): Same.
3502         (_ITM_memmoveRtWt): Change return type to void.
3503         (_ITM_memcpyRtWt): Same.
3504         (_ITM_memsetW): Same.
3505         (_ITM_RaRD): Change types to double.
3506         (_ITM_RD): Same.
3507         (_ITM_RaWD): Same.
3508         (_ITM_RfWD): Same.
3509
3510         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3511
3512 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3513             Patrick Marlier  <patrick.marlier@gmail.com>
3514
3515         * trans-mem.c (requires_barrier): Do not instrument thread local
3516         variables and emit save/restore for them.
3517
3518 2012-01-24  Jason Merrill  <jason@redhat.com>
3519
3520         PR c++/51812
3521         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3522         output static aliases.
3523
3524 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3525
3526         PR driver/47249
3527         * common.opt (-pie, -shared, pie, shared): Change from Common to
3528         Driver.
3529         * gcc.c (display_help): Display help for -pie and -shared.
3530
3531 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3532
3533         PR target/49868
3534         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3535         Remove note on size/offset limitation.
3536         (AVR Variable Attributes): Add example how to read data located
3537         with progmem.  Refer to named address spaces.
3538         * doc/invoke.texi (AVR Options): Fix typo.
3539
3540 2012-01-24  Richard Guenther  <rguenther@suse.de>
3541
3542         Forward-port to trunk
3543         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3544
3545         PR middle-end/45678
3546         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3547         op0 isn't sufficiently aligned and there is movmisalignM
3548         insn for mode, use it to load op0 into a temporary register.
3549
3550 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3551
3552         PR target/51957
3553         * target.def (const_not_ok_for_debug_p): New hook.
3554         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3555         documentation.
3556         * doc/tm.texi: Regenerated.
3557         * dwarf2out.c (const_ok_for_output_1): If
3558         targetm.const_not_ok_for_debug_p returns true, fail.
3559         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3560         function.
3561         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3562
3563 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3564
3565         PR target/51900
3566         * config/i386/predicates.md (symbolic_operand): Allow
3567         UNSPEC_PCREL as PIC expression for lea.
3568         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3569         * config/i386/i386.c (ix86_delegitimize_address): Handle
3570         UNSPEC_PCREL for none-MEM, too.
3571
3572 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3573
3574         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3575         (ipa_tm_create_version_alias): Same.
3576
3577 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3578
3579         PR libitm/51830
3580         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3581         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3582
3583 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3584             Patrick Marlier  <patrick.marlier@gmail.com>
3585             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3586
3587         PR lto/51916
3588         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3589         simple_object_start_read.
3590
3591 2012-01-23  Richard Guenther  <rguenther@suse.de>
3592
3593
3594         PR tree-optimization/51895
3595         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3596         parameter decomposition into BLKmode components.
3597
3598 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3599
3600         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3601         fake variables for restrict-qualified pointers whose pointed-to type
3602         contains a placeholder.
3603
3604 2012-01-23  Richard Guenther  <rguenther@suse.de>
3605
3606         PR tree-optimization/51949
3607         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3608
3609 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3610
3611         PR rtl-optimization/51933
3612         * ree.c (transform_ifelse): Return true right away if dstreg is
3613         already wider or equal to cand->mode.
3614         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3615         (make_defs_and_copies_lists): Remove defs_list and copies_list
3616         arguments, add state argument, just truncate state->work_list
3617         instead of always allocating and freeing the vector.  Assert that
3618         get_defs succeeds instead of returning 2.  Changed return type to bool.
3619         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3620         have ext_src_mode, see if it has been modified already with the
3621         right kind of extension and has been extended before from the
3622         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3623         just return true.  Remember the original mode in state->modified array.
3624         (combine_reaching_defs): Add state argument.  Don't allocate and
3625         free here def_list, copied_list and vec vectors, instead just
3626         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3627         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3628         Add state variable, clear vectors in it, initialize state.modified
3629         if needed.  Free all the vectors at the end and state.modified too.
3630         Don't skip a candidate if the extension expression has been modified.
3631
3632 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3633
3634         PR target/47096
3635         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3636          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3637         (extra_options) interix.opt -> i386/interix.opt"
3638         (extra_objs):Add winnt-stubs.o
3639         * configure.ac: Add interix to target_os .comm on PE check.
3640         * configure: Regenerate.
3641         * config/interix3.h: Delete and move bits to..
3642         * config/interix.h: Delete and move bits to..
3643         * config/i386/i386-interix3.h: Delete and move bits to..
3644         * config/i386/i386-interix.h: ..here.
3645         (TARGET_CPU_DEFAULT): Remove redefinition.
3646         (TARGET_ASM_CONSTRUCTOR): Undefine.
3647         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3648         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3649         (PTRDIFF_TYPE): Define.
3650         (LONG_DOUBLE_TYPE_SIZE): Define.
3651         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3652         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3653         (TARGET_SECTION_TYPE_FLAGS): Define.
3654         (ASM_DECLARE_FUNCTION_NAME): Define.
3655         (ASM_OUTPUT_EXTERNAL): Define.
3656         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3657         (ASM_OUTPUT_ALIGNED_BSS): Define.
3658         (PCC_BITFIELD_TYPE_MATTERS): Define.
3659         (USE_CONST_SECTION): Define.
3660         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3661         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3662         (SUPPORTS_ONE_ONLY): Remove.
3663         (I386_PE_STRIP_ENCODING): Define.
3664         * config/interix.opt: Delete and move bits to..
3665         * config/i386/interix.opt: ..here. New.
3666         (mpe-aligned-commons): Add.
3667         * config/i386/t-interix: Add copyright header.
3668         (winnt-stubs.o): Add rule.
3669
3670 2012-01-22  Jason Merrill  <jason@redhat.com>
3671
3672         PR c++/51832
3673         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3674         for extra name aliases.
3675
3676 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3677
3678         PR rtl-optimization/51924
3679         * ree.c (combine_set_extension): Improve debugging message.
3680         (combine_reaching_defs): Likewise.
3681         (get_defs): Rename confusingly named variable.
3682         (find_and_remove_re): Skip a candidate if the extension expression has
3683         been modified.
3684
3685 2012-01-21  Robert Millan  <rmh@gnu.org>
3686             Gerald Pfeifer  <gerald@pfeifer.com>
3687
3688         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3689         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3690
3691 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3692
3693         PR tree-optimization/51914
3694         * tree-vect-stmts.c (vectorizable_conversion): For
3695         cvt_type && modifier == WIDEN, put temporary with cvt_type
3696         at the beginning of vec_dsts and set vec_dest to temporary
3697         with vectype_out.
3698
3699 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3700
3701         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3702
3703 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3704
3705         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3706         * config/rs6000/rs6000.c: Likewise.
3707
3708 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3709
3710         PR target/51915
3711         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3712         output_move_double on a copy of operands array.
3713
3714 2012-01-20  Cary Coutant  <ccoutant@google.com>
3715             Dodji Seketeli  <dodji@redhat.com>
3716
3717         PR debug/45682
3718         * dwarf2out.c (copy_declaration_context): Return ref to parent
3719         of declaration DIE, if necessary.
3720         (remove_child_or_replace_with_skeleton): Add new parameter; update
3721         caller.  Place skeleton DIE under parent DIE of original declaration.
3722         Move call to copy_declaration_context to here ...
3723         (break_out_comdat_types): ... from here.
3724
3725 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3726
3727         PR rtl-optimization/51856
3728         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3729         flag to reloaded.
3730
3731 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3732
3733         PR target/51819
3734         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3735         hints for neon loads and stores.
3736
3737 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3738
3739         PR target/49868
3740         PR target/50887
3741         * doc/extend.texi (Named Address Spaces): Split into subsections.
3742         (AVR Named Address Spaces): New subsection.
3743         (M32C Named Address Spaces): New subsection.
3744         (RL78 Named Address Spaces): New subsection.
3745         (SPU Named Address Spaces): New subsection.
3746         (Variable Attributes): New anchor "AVR Variable Attributes".
3747         (AVR Variable Attributes): Rewrite and avoid wording
3748         "address space" in this context.
3749         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3750         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3751         (AVR Built-in Macros): New subsubsection therein.
3752         * doc/md.texi (AVR constraints): Remove "C04", "R".
3753
3754 2012-01-20  Richard Guenther  <rguenther@suse.de>
3755
3756         PR tree-optimization/51903
3757         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3758         when removing stmts.
3759
3760 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3761
3762         PR target/50313
3763         * config/arm/arm.c (arm_load_pic_register): Use
3764         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3765         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3766         (arm_pic_static_addr): Likewise.
3767         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3768         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3769         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3770         (pic_load_addr_unified): New.
3771
3772 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3773
3774         PR target/51106
3775         * function.c (instantiate_virtual_regs_in_insn): Use
3776         delete_insn_and_edges when removing a wrong asm insn.
3777
3778 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3779
3780         PR rtl-optimization/40761
3781         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3782         Add new member loop_num.
3783         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3784         (ira_build): Remove the parameter.
3785
3786         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3787         (ira.c): Do not build CFG loops for one region allocation.  Remove
3788         argument from ira_build call.
3789
3790         * ira-build.c (init_loop_tree_node): New function.
3791         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3792         loops are not built.
3793         (more_one_region_p): Check current_loops.
3794         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3795         built.
3796         (add_loop_to_tree): Process loop equal to NULL too.
3797         (form_loop_tree): Separate the case when CFG loops are not built.
3798         Use explicitly number for the root.
3799         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3800         an assertion.
3801         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3802         instead of loop->num.
3803         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3804         (mark_all_loops_for_removal): Ditto.
3805         (remove_unnecessary_regions): Separate the case when CFG loops
3806         are not built.
3807         (ira_build): Remove the parameter.  Use explicit number of regions
3808         when CFG loops are not built.
3809
3810         * ira-color.c (print_loop_title): Separate the case for the root node.
3811         Use loop_num instead of loop->num.
3812         (move_spill_restore): Use loop_num instead of loop->num.
3813
3814         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3815         (change_loop): Ditto.
3816         (change_loop): Use loop_num instead of loop->num.
3817
3818         * ira-lives.c (process_bb_node_lives): Ditto.
3819
3820         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3821
3822         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3823
3824 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3825
3826         PR libmudflap/40778
3827         * tree-mudflap.c (mf_artificial): New function.
3828         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3829         mx_register_decls, mudflap_enqueue_decl): Use it.
3830
3831         PR target/51876
3832         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3833         numbers in the insn pattern.
3834
3835 2012-01-19  Michael Matz  <matz@suse.de>
3836
3837         PR tree-optimization/46590
3838         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3839         use it in remembering which conflicts we already created.
3840         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3841         bitmap.
3842
3843 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3844
3845         PR lto/51280
3846         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3847         (merge_and_complain): Same.
3848
3849 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3850
3851         PR bootstrap/50237
3852         * config/initfini-array.h: Guard content of the header
3853         with #ifdef HAVE_INITFINI_ARRAY.
3854         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3855         Add initfini-array.h to tm_file here.
3856         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3857         * config.gcc: Don't add initfini-array.h to tm_file here.
3858         * configure: Regenerated.
3859
3860 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3861
3862         PR rtl-optimization/51505
3863         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3864         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3865         (df_note_bb_compute): Update the call to df_kill_notes.
3866
3867 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3868
3869         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3870
3871 2012-01-18  Richard Guenther  <rguenther@suse.de>
3872
3873         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3874         of conversions to void *.
3875
3876 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3877             Richard Sandiford  <rdsandiford@googlemail.com>
3878
3879         PR middle-end/50325
3880         PR middle-end/51192
3881         * optabs.h (simplify_expand_binop): Declare.
3882         * optabs.c (simplify_expand_binop): Make global.
3883         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3884         endian targets if the source cannot be exactly covered by word
3885         mode chunks.
3886
3887 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3888
3889         PR bootstrap/51872
3890         * hard-reg-set.h (struct hard_reg_set_container): New type.
3891         * target.h (struct hard_reg_set_container): Forward declare.
3892         * target.def (set_up_by_prologue): New target hook.
3893         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3894         * doc/tm.texi: Regenerated.
3895         * function.c (thread_prologue_and_epilogue_insns): Change
3896         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3897         Call targetm.set_up_by_prologue on it.
3898         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3899         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3900
3901 2012-01-17  Nick Clifton  <nickc@redhat.com>
3902
3903         * config/rx/rx.c (rx_can_use_simple_return): New function.
3904         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3905         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3906
3907 2012-01-17  Richard Guenther  <rguenther@suse.de>
3908
3909         PR middle-end/51782
3910         * expr.c (expand_assignment): Take address-space information
3911         from the address operand of MEM_REF and TARGET_MEM_REF.
3912         (expand_expr_real_1): Likewise.
3913
3914 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3915
3916         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3917         reload dump is requested.
3918
3919 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3920
3921         PR other/51165
3922         * trans-mem.c (requires_barrier): Call may_be_aliased.
3923
3924 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3925
3926         PR tree-optimization/51877
3927         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3928         call arguments and fndecls compare equal, instead return false if they
3929         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3930         both SSA_NAMEs that are valueized the same, or they satisfy
3931         operand_equal_p.
3932
3933 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3934
3935         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3936         Solaris 11+.
3937         * configure: Regenerate.
3938
3939 2012-01-16  Jan Hubicka  <jh@suse.cz>
3940
3941         PR c/12245
3942         PR c++/14179
3943         * convert.c (convert_to_integer): Use fold_convert for
3944         converting an INTEGER_CST to integer type.
3945
3946 2012-01-16  Jason Merrill  <jason@redhat.com>
3947
3948         PR c++/14179
3949         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3950
3951 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR bootstrap/51860
3954         * config/s390/s390.c (s390_chunkify_start): Don't skip
3955         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3956         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3957         If insn is followed by NOTE_INSN_VAR_LOCATION or
3958         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3959         Don't use location of note insns.
3960
3961         PR tree-optimization/51865
3962         * tree-inline.c (tree_function_versioning): Call remap_decl
3963         on DECL_RESULT whenever it has VOID_TYPE_P type.
3964
3965 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3966
3967         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3968         for calls to locally-binding MIPS16 functions if only the return
3969         type uses float regs.
3970
3971 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3972             Richard Sandiford  <rdsandiford@googlemail.com>
3973
3974         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3975         (SYMBOL_32_HIGH): Likewise.
3976         (mips_output_tls_reloc_directive): Declare.
3977         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3978         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3979         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3980         (mips_lo_relocs, mips_hi_relocs): Make extern.
3981         (mips16_stub_function): Move up file.
3982         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3983         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3984         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3985         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3986         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3987         (mips_get_tp): Add MIPS16 support.
3988         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3989         Generalize DTPREL and TPREL handling.
3990         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3991         Add MIPS16 TLS support.
3992         (mips_output_tls_reloc_directive): New function.
3993         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3994         * config/mips/predicates.md (symbolic_operand_with_high)
3995         (tls_reloc_operand): New predicates.
3996         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3997         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3998         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3999         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4000         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4001         (*tls_get_tp_mips16_call_<mode>): Likewise.
4002
4003 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4004
4005         PR rtl-optimization/51821
4006         * recog.c (peep2_find_free_register): Determine clobbered registers
4007         from insn pattern.
4008
4009 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4010
4011         PR target/50925
4012         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4013         * config/avr/avr.c: Likewise.
4014         * config/avr/avr.h: Likewise.
4015
4016 2012-01-13  Ian Lance Taylor  <iant@google.com>
4017
4018         PR c++/50012
4019         * tree.h (TYPE_QUALS): Add cast to int.
4020         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4021
4022 2012-01-13  Ian Lance Taylor  <iant@google.com>
4023
4024         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4025         comparing param_index to VEC_length result.
4026
4027 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4028
4029         * c-decl.c: Do not include tree-mudflap.h
4030         * tree-optimize.c: Likewise.
4031         * Makefile.in: Update dependencies.
4032
4033 2012-01-13  Richard Guenther  <rguenther@suse.de>
4034
4035         PR middle-end/8081
4036         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4037         variable-sized result always use RSO.
4038
4039 2012-01-12  DJ Delorie  <dj@redhat.com>
4040
4041         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4042         pointer type, not just the default pointer type.
4043
4044 2012-01-09  Richard Henderson  <rth@redhat.com>
4045             Denis Chertykov  <chertykov@gmail.com>
4046
4047         PR target/50925
4048         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4049         * config/avr/avr.c (avr_can_eliminate): Simplify.
4050         (avr_initial_elimination_offset): Likewise.
4051         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4052         (expand_epilogue): Likewise.
4053         (avr_legitimize_address): Gut.
4054         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4055         (avr_hard_regno_nregs): New.
4056         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4057         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4058         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4059         add soft frame pointer.
4060         (CALL_USED_REGISTERS): Likewise.
4061         (REG_CLASS_CONTENTS): Likewise.
4062         (REGISTER_NAMES): Likewise.
4063         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4064         (HARD_FRAME_POINTER_REGNUM): New.
4065         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4066         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4067         remove the HARD_FRAME_POINTER self-elimination.
4068
4069 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4070
4071         PR target/51756
4072         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4073         DECL_EXTERNAL when checking for initializers of progmem variables.
4074
4075 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4076
4077         PR tree-optimization/51799
4078         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4079         that the last operation is a type demotion.
4080
4081 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4082
4083         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4084         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4085
4086 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4087
4088         PR bootstrap/51796
4089         * combine.c (distribute_notes): If i3 is a noreturn call,
4090         allow old_size to be equal to args_size and make sure the
4091         noreturn call gets REG_ARGS_SIZE note.
4092         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4093         on noreturn calls even when the delta is 0.
4094
4095 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4096
4097         * gcov.c (STRING_SIZE): Remove.
4098         (generate_results): Erase annotations for source files with no
4099         coverage information.
4100         (read_line): New.
4101         (output_lines): Use it.
4102
4103 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4104
4105         * gimple.h (gimplify_body): Remove first argument.
4106         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
4107         pointer set here, instead just pass DATA to walk_tree.
4108         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
4109         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4110         (unvisit_body): Likewise, but with unmark_visited.
4111         (gimplify_body): Remove BODY_P argument and adjust.
4112         (gimplify_function_tree): Adjust call to gimplify_body.
4113         * omp-low.c (finalize_task_copyfn): Likewise.
4114
4115 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4116
4117         * tree.h (build_function_decl_skip_args): Add boolean parameter.
4118         (build_function_type_skip_args): Delete.
4119         * tree.c (build_function_type_skip_args): Make static and add
4120         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
4121         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4122         pass it to build_function_type_skip_args.
4123         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4124         (tree_function_versioning): Likewise.
4125         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4126         build_function_decl_skip_args.
4127         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4128         and pass it to build_function_decl_skip_args/tree_function_versioning.
4129         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4130         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4131         * trans-mem.c (ipa_tm_create_version): Likewise.
4132         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4133         * tree-inline.c (declare_return_variable): Remove always-true test.
4134         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
4135         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4136         * ipa-split.c (split_function): Skip the return value for the split
4137         part if it doesn't return.
4138
4139 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4140
4141         PR tree-optimization/49642
4142         * ipa-split.c (forbidden_dominators): New variable.
4143         (check_forbidden_calls): New function.
4144         (dominated_by_forbidden): Likewise.
4145         (consider_split): Check for forbidden dominators.
4146         (execute_split_functions): Initialize and free forbidden
4147         dominators info; call check_forbidden_calls.
4148
4149 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4150
4151         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4152
4153 2012-01-11  Nick Clifton  <nickc@redhat.com>
4154
4155         * config/rx/rx.md (return): Define pattern.
4156
4157 2012-01-11  Richard Guenther  <rguenther@suse.de>
4158
4159         * doc/extend.texi (malloc attribute): Adjust according to
4160         implementation.
4161
4162 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
4163             Patrick Marlier  <patrick.marlier@gmail.com>
4164
4165         PR middle-end/51516
4166         * trans-mem.c (get_cg_data): Traverse aliases if requested.
4167         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4168         (ipa_tm_note_irrevocable): Same.
4169         (ipa_tm_scan_irr_block): Same.
4170         (ipa_tm_decrement_clone_counts): Same.
4171         (ipa_tm_scan_irr_function): Same.
4172         (ipa_tm_create_version_alias): Same.
4173         (ipa_tm_create_version): Same.
4174         (ipa_tm_transform_calls_redirect): Same.
4175         (ipa_tm_transform_calls): Same.
4176         (ipa_tm_transform_transaction): Same.
4177         (ipa_tm_execute): Same.
4178
4179 2012-01-10  Richard Guenther  <rguenther@suse.de>
4180
4181         PR middle-end/51806
4182         * opts.c (common_handle_option): Handle -Werror.
4183
4184 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
4185
4186         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4187         operand number.
4188
4189 2012-01-10  Jason Merrill  <jason@redhat.com>
4190
4191         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4192         information.
4193
4194 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4195
4196         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4197         supports R_386_TLS_GD_PLT reloc.
4198         (gcc_cv_as_ix86_tlsldmplt): Check if linker
4199         supports R_386_TLS_LDM_PLT reloc.
4200         * configure: Regenerate.
4201         * config.in: Regenerate.
4202
4203 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
4204
4205         PR target/49868
4206         Extend __pgmx semantics to linearize memory.
4207         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4208         determine if code comes inline or from libgcc.
4209         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4210         (movmem_qi, movmem_qi): Set constraint #2 to "n".
4211         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4212         (movmemx_qi, movmemx_hi): New insns.
4213         (xload_<mode>_libgcc): Rewrite to new insn condition.
4214         (xload_<mode>): Remove insns.
4215         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4216         cases that don't satisfy avr_xload_libgcc_p().
4217         (avr_addr_space_convert): Allow converting in any direction.
4218         (avr_addr_space_subset_p): Return always true.
4219         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4220         (avr_emit_movmemhi): Ditto.
4221         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4222         (avr_out_movmem): Ditto.
4223         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4224         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4225         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4226         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4227         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4228
4229 2012-01-10  Richard Guenther  <rguenther@suse.de>
4230
4231         PR tree-optimization/50913
4232         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4233         Require data-refs to be representable by Graphite with respect
4234         to any loop nest.
4235
4236 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4237
4238         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4239         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4240
4241 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4242
4243         PR rtl-optimization/51271
4244         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4245         handling annulled branch.
4246
4247 2012-01-10  Richard Henderson  <rth@redhat.com>
4248
4249         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4250         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4251         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4252         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4253         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4254         arm_expand_vec_perm_const): New.
4255         * config/arm/arm-protos.h: Update.
4256         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4257         (*neon_vswp<VDQX>): New.
4258         (neon_vcombine<VDX>): Use neon_split_vcombine.
4259         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4260         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4261         (vec_perm<VE>): New.
4262
4263 2012-01-10  Richard Henderson  <rth@redhat.com>
4264
4265         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4266         use it if reload_completed.
4267         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4268         arm_output_asm_insn, arm_process_output_memory_barrier,
4269         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4270         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4271         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4272         arm_process_output_sync_insn, arm_output_sync_insn,
4273         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4274         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4275         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4276         (emit_unlikely_jump): New.
4277         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4278         (arm_split_atomic_op): New.
4279         * config/arm/arm-protos.h: Update.
4280         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4281         (struct arm_sync_generator): Remove.
4282         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4283         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4284         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4285         (VUNSPEC_LL, VUNSPEC_SC): New.
4286         (sync_result, sync_memory, sync_required_value, sync_new_value,
4287         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4288         (attr length): Don't use arm_sync_loop_insns.
4289         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4290         (movsfcc, movdfcc): Likewise.
4291         * config/arm/constraints.md (Ua): New.
4292         * config/arm/prediates.md (mem_noofs_operand): New.
4293         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4294         (sync_clobber, sync_t2_reqd): Remove.
4295         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4296         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4297         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4298         (arm_sync_compare_and_swap<SIDI>): Remove.
4299         (arm_sync_compare_and_swap<NARROW>): Remove.
4300         (arm_sync_lock_test_and_set<SIDI>): Remove.
4301         (arm_sync_lock_test_and_set<NARROW>): Remove.
4302         (arm_sync_new_<syncop><SIDI>): Remove.
4303         (arm_sync_new_<syncop><NARROW>): Remove.
4304         (arm_sync_new_nand<SIDI>): Remove.
4305         (arm_sync_new_nand<NARROW>): Remove.
4306         (arm_sync_old_<syncop><SIDI>): Remove.
4307         (arm_sync_old_<syncop><NARROW>): Remove.
4308         (arm_sync_old_nand<SIDI>): Remove.
4309         (arm_sync_old_nand<NARROW>): Remove.
4310         (*memory_barrier): Merge arm_output_memory_barrier.
4311         (atomic_compare_and_swap<QHSD>): New.
4312         (atomic_compare_and_swap<NARROW>_1): New.
4313         (atomic_compare_and_swap<SIDI>_1): New.
4314         (atomic_exchange<QHSD>): New.
4315         (cas_cmp_operand, cas_cmp_str): New.
4316         (atomic_op_operand, atomic_op_str): New.
4317         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4318         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4319         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4320         (arm_load_exclusive<NARROW>): New.
4321         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4322         (arm_store_exclusive<QHSD>): New.
4323
4324 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4325
4326         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4327         reload patterns if -mvsx-scalar-memory.
4328
4329         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4330         generated, even -mno-vsx-scalar-double was used.
4331         (vsx_xscvdpsp_scalar): Likewise.
4332         (vsx_xscvspdp_scalar2): Likewise.
4333
4334 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4335             Andrew Pinski  <apinski@cavium.com>
4336
4337         PR debug/51471
4338         * reorg.c (fill_slots_from_thread): Don't speculate
4339         frame-related insns.
4340
4341 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4342
4343         * sched-int.h (bb_note): Move to...
4344         * basic-block.h: ...here.
4345         * haifa-sched.c (bb_note): Move to...
4346         * cfgrtl.c: ...here.
4347         * function.c (next_block_for_reg): New function.
4348         (move_insn_for_shrink_wrap): Likewise.
4349         (prepare_shrink_wrap): Rewrite to use the above.
4350
4351 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4352
4353         * gimple.c (is_gimple_non_addressable): Remove.
4354         * gimple.h: Remove is_gimple_non_addressable.
4355         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4356         is_gimple_non_addressable.
4357         * trans-mem.c (expand_assign_tm): Same.
4358
4359 2012-01-09  Richard Guenther  <rguenther@suse.de>
4360
4361         PR tree-optimization/51775
4362         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4363         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4364
4365 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4366
4367         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4368         tuning parameters.
4369         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4370
4371 2012-01-09  Richard Guenther  <rguenther@suse.de>
4372
4373         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4374
4375 2012-01-08  Jan Hubicka  <jh@suse.cz>
4376
4377         PR tree-optimize/51680
4378         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4379         on when known_vals needs to be computed; cleanup.
4380
4381 2012-01-08  Jan Hubicka  <jh@suse.cz>
4382
4383         PR tree-optimize/51694
4384         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4385
4386 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4387
4388         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4389         for -std=c++98 and -std=c++11 too.
4390
4391 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4392
4393         * cfgloop.c (cancel_loop): Add free() of bbs array.
4394
4395 2012-01-07  Jan Hubicka  <jh@suse.cz>
4396
4397         PR tree-optimization/51600
4398         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4399         that benefits small functions.
4400
4401 2012-01-07  Jan Hubicka  <jh@suse.cz>
4402
4403         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4404
4405 2012-01-07  Jan Hubicka  <jh@suse.cz>
4406
4407         PR tree-optimization/51680
4408         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4409         whose inlining reduce unit size.
4410
4411 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4412
4413         PR bootstrap/51725
4414         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4415         Add canonical node to containing_mem chain after the non-canonical
4416         one, even if there weren't any locs to propagate.
4417         (remove_useless_values): Keep only canonical values.
4418         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4419         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4420         canonicalize mem_chain elements that are not discarded.
4421
4422 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4423
4424         PR target/47333
4425         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4426         before emitting functions.
4427
4428         PR gcov-profile/50127
4429         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4430         clear_aux_for_blocks.
4431
4432 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4433
4434         PR debug/51746
4435         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4436
4437 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4438
4439         * c-decl.c (ext_block): Moved up.
4440         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4441
4442 2012-01-06  Han Shen  <shenhan@google.com>
4443
4444         Translate built-in include paths for sysroot.
4445         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4446         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4447
4448         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4449         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4450
4451         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4452         control whether sysroot should be prepended to gxx include dir.
4453
4454         * configure: Regenerate.
4455
4456 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4457
4458         PR rtl-optimization/51771
4459         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4460         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4461
4462 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4463
4464         PR tree-optimization/51315
4465         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4466         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4467
4468 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4469
4470         PR target/51681
4471         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4472         for shrp pattern.  Correctly handle and fixup shift variable.
4473         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4474
4475 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4476
4477         PR debug/51762
4478         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4479         note when !ACCUMULATE_OUTGOING_ARGS.
4480
4481 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4482
4483         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4484         condition.
4485         (extract_range_from_unary_expr_1): Avoid useless computations.
4486
4487 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4488
4489         PR rtl-optimization/51767
4490         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4491         of jump_block and add an extra edge for degenerated asm gotos.
4492
4493         PR middle-end/51768
4494         * stmt.c (check_unique_operand_names): Don't ICE during error
4495         reporting if i is from labels chain.
4496
4497         PR middle-end/44777
4498         * profile.c (branch_prob): Split bbs that have exit edge
4499         and need a fake entry edge too.
4500
4501 2012-01-05  Jan Hubicka  <jh@suse.cz>
4502
4503         PR middle-end/49710
4504         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4505         unlooping loops.
4506
4507 2012-01-05  Richard Guenther  <rguenther@suse.de>
4508
4509         PR lto/50490
4510         * tree-streamer-out.c (write_ts_optimization): New function.
4511         (streamer_write_tree_body): Call it.
4512         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4513         (streamer_read_tree_body): Call it.
4514         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4515
4516 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4517
4518         PR middle-end/51761
4519         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4520         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4521         in_cleanup_point_expr before gimplify_stmt call and restore it
4522         afterwards.
4523         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4524         in_cleanup_point_expr is false.
4525
4526 2012-01-05  Richard Guenther  <rguenther@suse.de>
4527
4528         PR middle-end/51764
4529         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4530         to c.opt.
4531         * toplev.c (process_options): Reject combining mudflap and LTO.
4532         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4533
4534 2012-01-05  Richard Guenther  <rguenther@suse.de>
4535
4536         PR tree-optimization/51760
4537         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4538         not VARYING.
4539         (bit_value_unop): Handle UNDEFINED operands.
4540         (bit_value_binop): Likewise.
4541
4542 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4543
4544         * config/avr/avr.c (avr_replace_prefix): Remove.
4545         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4546         (avr_asm_function_rodata_section): Ditto.
4547         (avr_asm_select_section): Ditto.
4548
4549 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4550
4551         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4552         insertion.
4553
4554 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4555
4556         PR bootstrap/51648
4557         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4558         calls that have any non-fake successor edges.
4559
4560         PR debug/51746
4561         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4562
4563 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4564
4565         PR tree-optimization/51624
4566         * tree-sra.c (build_ref_for_model): When replicating a chain of
4567         COMPONENT_REFs, stop as soon as the offset would become negative.
4568
4569 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4570
4571         PR debug/51695
4572         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4573         in .debug_loc on the floor.
4574
4575 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4576
4577         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4578
4579 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4580             Adam Nemet  <anemet@caviumnetworks.com>
4581
4582         * config/mips/mips.md (size): Add SI and DI.
4583         (SIZE): New mode attribute.
4584         (U): New code attribute.
4585         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4586         (mips_lbux_<mode>): Delete.
4587         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4588         (mips_lhx): Use gen_mips_lhx_extsi.
4589         (mips_lhx_<mode>): Delete.
4590         (mips_lwx): Delete.
4591         (mips_l<size>x): New expand.
4592         (mips_lwx_<mode>): Delete.
4593         (mips_l<GPR:size>x_<P:mode>): New pattern.
4594         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4595         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4596         * config/mips/mips.c (mips_lx_address_p): New function.
4597         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4598         (dsp64): New availability predicate.
4599         (mips_builtins): Add an entry for __builtin_mips_ldx.
4600         * config/mips/mips.h (ISA_HAS_LBX): New define.
4601         (ISA_HAS_LBUX): Likewise.
4602         (ISA_HAS_LHX): Likewise.
4603         (ISA_HAS_LHUX): Likewise.
4604         (ISA_HAS_LWX): Likewise.
4605         (ISA_HAS_LWUX): Likewise.
4606         (ISA_HAS_LDX): Likewise.
4607         * doc/extend.texi (__builtin_mips_ldx): Document.
4608
4609 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4610
4611         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4612         when long pointers are used.
4613         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4614         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4615         (ia64-hp-*vms*): Remove.
4616         * config/vms/xm-vms64.h: Delete.
4617
4618 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4619
4620         PR middle-end/51472
4621         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4622
4623 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4624
4625         * opts.c (finish_options): Remove duplicate sorry.
4626
4627 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4628
4629         PR middle-end/51696
4630         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4631         correctly.
4632
4633 2012-01-04  Richard Guenther  <rguenther@suse.de>
4634
4635         PR middle-end/51750
4636         * tree.c (size_low_cst): New function.
4637         * tree.h (size_low_cst): Declare.
4638         * fold-const.c (fold_comparison): Use it to extract the low
4639         part of the POINTER_PLUS_EXPR offset.
4640
4641 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4642
4643         Fix clearing ZERO_REG
4644         * config/avr/avr.md (cc): Add alternative "ldi".
4645         (movqi_insn): Use it in cc attribute.
4646         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4647         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4648         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4649
4650 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4651
4652         * configure: Regenerate.
4653
4654 2012-01-04  Richard Guenther  <rguenther@suse.de>
4655
4656         PR tree-optimization/49651
4657         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4658         (var_can_have_subvars): Use it.
4659         (get_constraint_for_1): Only consider subfields if there can be any.
4660
4661 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4662
4663         PR bootstrap/51725
4664         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4665         to its new canonical_cselib_val and the cselib_val was in
4666         first_containing_mem chain, but the canonical_cselib_val was not,
4667         add the latter into the chain.
4668         (cselib_invalidate_mem): Compare canonical_cselib_val of
4669         addr_list chain elt with v.
4670
4671         PR pch/51722
4672         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4673         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4674         of xstrdup.
4675         (output_macinfo_op): Don't ggc_strdup fd->filename.
4676         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4677         then ggc_strdup it.  Don't free inc->info or cur->info.
4678         (output_macinfo): Don't free ref->info or file->info.
4679
4680 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4681
4682         PR tree-optimization/51269
4683         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4684         first_niters a pointer.
4685         (slpeel_tree_peel_loop_to_edge): Likewise.
4686         (vect_do_peeling_for_loop_bound): Update call to
4687         slpeel_tree_peel_loop_to_edge.
4688         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4689         here.  Remove it from the parameters list.
4690         (vect_do_peeling_for_alignment): Update calls and compute
4691         wide_prolog_niters.
4692
4693 2012-01-03  Richard Guenther  <rguenther@suse.de>
4694
4695         PR tree-optimization/51070
4696         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4697         Properly handle calls.
4698
4699 2012-01-03  Richard Guenther  <rguenther@suse.de>
4700
4701         PR tree-optimization/51692
4702         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4703         the LHS of allocation stmts.
4704
4705 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4706
4707         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4708
4709 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4710
4711         * collect2.c (main): In AIX specific computations for vector
4712         insertions, use CONST_CAST2 to cast from char ** to const char **.
4713
4714 2012-01-03  Richard Guenther  <rguenther@suse.de>
4715
4716         PR debug/51650
4717         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4718         the context of a limbo DIE when it does not already exist.
4719
4720 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4721
4722         PR tree-optimization/51719
4723         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4724         but direct call is, clear direct call's lhs and don't add fallthrough
4725         edge from dcall_bb to join_bb and PHIs.
4726
4727 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4728
4729         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4730         the instructions emitted by the pattern.
4731         ("*TDC_insn_<mode>"): Add comment.
4732
4733 2012-01-03  Richard Guenther  <rguenther@suse.de>
4734
4735         PR middle-end/51730
4736         * fold-const.c (fold_comparison): Properly canonicalize
4737         tree offset and HOST_WIDE_INT bit position.
4738
4739 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
4740
4741         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4742         operands for extzv pattern.
4743
4744 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4745
4746         PR bootstrap/51725
4747         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4748         on mem_elt first.
4749
4750 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
4751
4752         * doc/invoke.texi (-flto and related options): Copy-edit.
4753
4754 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4755
4756         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4757
4758 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4759
4760         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4761         New patterns.
4762
4763 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4764
4765         * expr.h (move_by_pieces_ninsns): Declare.
4766         * expr.c (move_by_pieces_ninsns): Make external.
4767         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4768         (mips_store_by_pieces_p): Likewise.
4769         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4770         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4771         * config/mips/mips.c (mips_move_by_pieces_p): New function.
4772         (mips_store_by_pieces_p): Likewise.
4773
4774 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4775
4776         * passes.c (register_one_dump_file): Free full_name.
4777
4778         * reload1.c (reload): Don't allocate reg_max_ref_width here.
4779         (calculate_elim_costs_all_insns): Free offsets_at and
4780         offsets_known_at at the end and clear the pointers.
4781
4782 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4783
4784         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4785         this option introduced in r180739.
4786
4787 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4788
4789         PR target/51345
4790         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4791         (tmake_file target=avr): Add avr/t-multilib.
4792
4793         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4794         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4795         * config/avr/genmultilib.awk: New file.
4796         * config/avr/t-multilib: New auto-generated file.
4797         * config/avr/multilib.h: New auto-generated file.
4798         * config/avr/t-avr (AVR_MCUS): New variable.
4799         (genopt.sh): Use it.
4800         (s-mlib): Depend on t-multilib.
4801         (t-multilib, multilib.h): New dependencies.
4802         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4803         (MULTILIB_OPTIONS): Remove.
4804         (MULTILIB_MATCHES): Remove.
4805         (MULTILIB_DIRNAMES): Remove.
4806         (MULTILIB_EXCEPTIONS): Remove:
4807         * config/avr/genopt.sh: Don't use hard coded file name;
4808         pass AVR_MCUS from t-avr instead.
4809
4810 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4811
4812         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4813
4814 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4815
4816         Implement light-weight DImode support.
4817         * config/avr/avr-dimode.md: New file.
4818         * config/avr/avr.md: Include it.
4819         (adjust_len): Add plus64, compare64.
4820         (HIDI): Remove code iterator.
4821         (code_stdname): New code attribute.
4822         (rotx, rotsmode): Remove DI.
4823         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4824         as code iterator.
4825         * config/avr/avr-protos.h (avr_have_dimode): New.
4826         (avr_out_plus64, avr_out_compare64): New.
4827         * config/avr/avr.c (avr_out_compare): Handle DImode.
4828         (avr_have_dimode): New variable definition and initialization.
4829         (avr_out_compare64, avr_out_plus64): New functions.
4830         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4831         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4832         (avr_compare_pattern): Skip DImode comparisons.
4833
4834 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4835
4836         * ddg.c (def_has_ccmode_p): New function.
4837         (add_cross_iteration_register_deps,
4838         create_ddg_dep_from_intra_loop_link): Call it.
4839
4840 2012-01-02  Richard Guenther  <rguenther@suse.de>
4841
4842         PR other/51679
4843         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4844
4845 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4846
4847         * gcc.c (process_command): Update copyright notice dates.
4848         * gcov.c (print_version): Likewise.
4849         * gcov-dump.c (print_version): Likewise.
4850         * mips-tfile.c (main): Likewise.
4851         * mips-tdump.c (main): Likewise.
4852
4853 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4854
4855         PR tree-optimization/51704
4856         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4857         a use is inside the basic block or loop before accessing its vect info.
4858
4859 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4860
4861         PR rtl-optimization/51069
4862         * cfgloopmanip.c (remove_path): Removing path making irreducible
4863         region unconditional makes BB part of the region.
4864
4865 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4866
4867         PR tree-optimization/51683
4868         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4869         calls with side-effects.
4870         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4871 \f
4872 Copyright (C) 2012 Free Software Foundation, Inc.
4873
4874 Copying and distribution of this file, with or without modification,
4875 are permitted in any medium without royalty provided the copyright
4876 notice and this notice are preserved.