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