OSDN Git Service

9311d72b732131dd1877e947ded3118639ac3963
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-07  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/53195
4         * tree-inline.c (setup_one_parameter): Properly add referenced
5         vars from the parameters new known value.
6
7 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8
9         Backport from mainline:
10         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11
12         PR target/52999
13         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
14         in constant pool.
15
16 2012-05-04  Ian Lance Taylor  <iant@google.com>
17
18         * tree-vect-patterns.c (vect_single_imm_use): Correct return
19         values from false to NULL.
20
21 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
22
23         Backport from mainline
24         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
25
26         PR target/53228
27         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
28         (TARGET_CMOV): Rename from TARGET_CMOVE.
29         (TARGET_CMOVE): New define.
30         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
31         Do not set TARGET_CMOVE here.
32
33 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
34
35         Backport from mainline:
36
37         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
38
39         PR tree-optimization/52633
40         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
41         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
42         (vect_recog_over_widening_pattern): Remove handling of code that was
43         already detected as over-widening pattern.  Remove special handling
44         of "unsigned" cases.  Instead, support general case of conversion
45         of the shift result to another type.
46
47         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
48
49         * tree-vect-patterns.c (vect_single_imm_use): New function.
50         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
51         (vect_recog_over_widening_pattern): Likewise.
52         (vect_recog_widen_shift_pattern): Likewise.
53
54         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
55
56         PR tree-optimization/52870
57         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
58         presumed pattern statement is within the same loop or basic block.
59
60 2012-05-04  Richard Guenther  <rguenther@suse.de>
61
62         * common.opt (flto-report): Do not mark as Optimization.
63
64 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
65
66         PR target/48496
67         * recog.c (constrain_operands): If extra constraints are present, also
68         accept pseudo-registers with equivalent memory locations during reload.
69
70 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
71
72         Backport from the mainline
73         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
74
75         PR target/53199
76         * config/rs6000/rs6000.md (bswapdi splitters): If
77         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
78         default) is used, generate an alternate sequence that does not
79         depend on using indexed addressing.
80
81 2012-05-03  David S. Miller  <davem@davemloft.net>
82
83         PR target/52684
84         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
85         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
86         (sparc_emit_float_lib_cmp): Likewise.
87
88 2012-05-04  Martin Jambor  <mjambor@suse.cz>
89
90         Backport from mainline
91         2012-05-02  Martin Jambor  <mjambor@suse.cz>
92
93         PR lto/52605
94         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
95         of a variable when the contect is a function.
96
97 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
98
99         PR plugins/53126
100         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
101         append program name to it and pass that as first argument
102         to make_relative_prefix.  Always pass standard_libexec_prefix
103         as last argument to make_relative_prefix.  If
104         make_relative_prefix returns NULL, fall back to
105         standard_libexec_prefix.
106
107         PR debug/53174
108         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
109         removed.
110
111         PR target/53187
112         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
113         mode, return that mode.
114
115 2012-05-03  Richard Guenther  <rguenther@suse.de>
116
117         PR tree-optimization/53144
118         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
119         Rename to ...
120         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
121         with SSA name values.
122         (vn_reference_lookup_3): Adjust callers.
123
124 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
125
126         PR tree-optimization/53163
127         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
128         return value from compute_all_dependences.
129
130         PR rtl-optimization/53160
131         * ree.c (combine_reaching_defs): Handle the case where cand->insn
132         has been modified by ree pass already.
133
134 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
135
136         Backport from mainline
137         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
138
139         PR middle-end/53136
140         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
141         calls to cgraph_node_name in xstrdup.
142         (ipa_make_edge_direct_to_target): Ditto.
143         * tree-sra.c (convert_callers_for_node): Ditto.
144         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
145         * ipa-cp.c (perhaps_add_new_callers): Ditto.
146         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
147         (cgraph_materialize_all_clones): Ditto.
148         * ipa-inline.c (report_inline_failed_reason): Ditto.
149         (want_early_inline_function_p): Ditto.
150         (edge_badness): Ditto.
151         (update_edge_key): Ditto.
152         (flatten_function): Ditto.
153         (ipa_inline): Ditto.
154         (inline_always_inline_functions): Ditto.
155         (early_inline_small_functions): Ditto.
156
157 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
158
159         Backport from mainline
160         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
161
162         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
163         Introduce emul_name to select the right linker emulation for
164         powerpc64-*-freebsd*.
165         * configure: Regenerate.
166         * config.gcc: Add bits to support powerpc64-*-freebsd*.
167         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
168         * config/rs6000/freebsd64.h: New file.
169         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
170         POWERPC_FREEBSD.
171         (rs6000_savres_strategy): Likewise.
172         (rs6000_savres_routine_name): Likewise.
173         (rs6000_elf_file_end): Likewise.
174         * config/rs6000/t-freebsd64: New file.
175         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
176         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
177
178 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
179
180         Backport from mainline
181         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
182
183         PR target/53138
184         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
185
186 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
187
188         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
189         predicate to discriminate types.
190
191 2012-04-27  Richard Guenther  <rguenther@suse.de>
192
193         PR c/51527
194         * convert.c (convert_to_integer): Avoid infinite recursion for
195         target-defined built-in types.
196
197 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
198
199         PR target/53120
200         * config/cris/cris.md ("*andhi_lowpart_v32")
201         ("*andqi_lowpart_v32"): Change first input-only operand from
202         a (match_operand ...) to (match_dup 0).  Drop alternatives with
203         const_int-matching constraints for redundancy.
204         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
205         three-operand alternative.
206
207 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
208
209         Backport from mainline
210         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
211
212         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
213         (*addsi_2_zext): Ditto.
214         (*add<mode>_3): Ditto.
215         (*addsi_3_zext): Ditto.
216         (*add<mode>_5): Ditto.
217
218 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
219
220         PR c/52880
221         * c-typeck.c (set_nonincremental_init,
222         set_nonincremental_init_from_string): Pass true instead of false
223         as IMPLICIT to add_pending_init.
224
225 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
226
227         Backport from 2012-04-24 mainline r186768.
228
229         PR target/53065
230         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
231
232 2012-04-24  Richard Guenther  <rguenther@suse.de>
233
234         PR tree-optimization/53085
235         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
236         stores.
237
238 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
239
240         PR middle-end/53084
241         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
242         of MEM_REF.
243         (output_addressed_constants): Likewise.
244
245         PR middle-end/52999
246         * varasm.c (get_section): Don't ICE for section conflicts with
247         built-in section kinds.
248
249 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
250
251         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
252
253 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
254
255         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
256
257 2012-04-23  Richard Guenther  <rguenther@suse.de>
258
259         PR c/53060
260         * c-typeck.c (build_binary_op): Fix typo.
261
262 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
263
264         PR tree-optimizations/52891
265         * tree-vect-patterns.c (adjust_bool_pattern): Use
266         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
267         but with non-standard precision.
268
269 2012-04-22  Ian Lance Taylor  <iant@google.com>
270
271         * godump.c (go_output_typedef): Dump size of structs.
272
273 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
274
275         Backport from mainline:
276
277         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
278         hints for 'A' operand types.
279
280 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
281
282         Backport from 2012-04-19 mainline r186588.
283
284         PR target/53033
285         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
286         the case *(X+const).
287
288 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
289
290         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
291
292 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
293
294         PR target/53020
295         * config/i386/sync.md (atomic_<code><mode>): Rename to
296         atomic_<logic><mode>.
297
298 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
299
300         Backport from mainline
301         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
302
303         PR target/52932
304         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
305         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
306         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
307         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
308         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
309         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
310         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
311         gen_avx2_permvarv8sf.
312
313 2012-04-16  Martin Jambor  <mjambor@suse.cz>
314
315         Backported from mainline
316
317         2012-04-13  Martin Jambor  <mjambor@suse.cz>
318         PR middle-end/52939
319
320         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
321         fold_ctor_reference returns a zero constant.
322
323 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
324
325         Backported from mainline
326         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
327
328         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
329         and __ILP32__ for x32.
330
331 2012-04-13  Tom de Vries  <tom@codesourcery.com>
332
333         Backport from mainline r186418.
334
335         2012-04-13  Tom de Vries  <tom@codesourcery.com>
336
337         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
338         parameters vuse and vuse_escaped.
339         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
340         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
341         vuse1 != vuse2.
342
343 2012-04-13  Richard Guenther  <rguenther@suse.de>
344
345         PR tree-optimization/52969
346         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
347         the condition for the COND_EXPR and handle predicate negation
348         by swapping the COND_EXPR arms.
349
350 2012-04-13  Richard Guenther  <rguenther@suse.de>
351
352         PR c/52862
353         * convert.c (convert_to_pointer): Remove special-casing of
354         zero.
355
356 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
357
358         Backport from mainline
359         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
360
361         PR target/52775
362         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
363         the list of options to enable the FCFID instruction.
364         (TARGET_EXTRA_BUILTINS): Adjust comment.
365
366 2012-04-12  Richard Guenther  <rguenther@suse.de>
367
368         PR tree-optimization/52943
369         * tree-chrec.h (chrec_is_positive): Remove.
370         * tree-scalar-evolution.c (chrec_is_positive): Move ...
371         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
372         Return false for a constant zero instead of negative.
373         (analyze_siv_subscript_cst_affine): Handle zero difference
374         in the initial condition explicitely.
375
376 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
377
378         PR middle-end/52894
379         * varasm.c (process_pending_assemble_externals): Set
380         pending_assemble_externals_processed true.
381         (assemble_external): Call assemble_external_real if the pending
382         assemble externals have been processed.
383
384 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
385
386         PR target/52717
387         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
388         the DECL generated for the special GOT helper.
389
390 2012-04-06  Walter Lee  <walt@tilera.com>
391
392         Backport from mainline
393         2012-03-07  Walter Lee  <walt@tilera.com>
394
395         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
396         REG_CFA_* notes for the stack pointer.
397         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
398         EH_RETURN_STACKADJ_RTX.
399         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
400         generate REG_CFA_* notes for the stack pointer.
401         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
402         by EH_RETURN_STACKADJ_RTX.
403
404 2012-04-06  Matt Turner  <mattst88@gmail.com>
405
406         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
407
408 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
409
410         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
411         of the destination isn't also a FP_REGS register.
412
413 2012-04-03  Richard Guenther  <rguenther@suse.de>
414
415         Backport from mainline
416         2012-03-02  Richard Guenther  <rguenther@suse.de>
417
418         PR tree-optimization/52406
419         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
420         (struct indices): Add unconstrained_base member.
421         (struct dr_alias): Remove unused vops member.
422         (DR_UNCONSTRAINED_BASE): New define.
423         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
424         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
425         be an artificial access that covers the whole indexed object,
426         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
427         plain decl base-objects to their MEM_REF variant.
428         (dr_may_alias_p): When the base-object of either data reference
429         has unknown size use only points-to information.
430         (compute_affine_dependence): Make dumps easier to read and
431         more verbose.
432         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
433         DR_REF when looking for packed references.
434         (vect_supportable_dr_alignment): Likewise.
435
436 2012-04-03  Richard Guenther  <rguenther@suse.de>
437
438         Backport from mainline
439         2012-03-15  Richard Guenther  <rguenther@suse.de>
440
441         PR middle-end/52580
442         * tree-data-ref.c (subscript_dependence_tester_1): Check
443         all dimensions for non-conflicting access functions.
444
445 2012-04-03  Richard Guenther  <rguenther@suse.de>
446
447         Backport from mainline
448         2012-03-06  Richard Guenther  <rguenther@suse.de>
449
450         PR middle-end/52493
451         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
452
453         2012-03-23  Richard Guenther  <rguenther@suse.de>
454
455         PR tree-optimization/52678
456         * tree-vectorizer.h (struct _stmt_vec_info): Add
457         loop_phi_evolution_part member.
458         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
459         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
460         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
461         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
462         Use the cached evolution part and the PHI nodes value from
463         the loop preheader edge instead of re-analyzing the evolution.
464
465         2012-03-26  Richard Guenther  <rguenther@suse.de>
466
467         PR tree-optimization/52701
468         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
469         compute and set the evolution part of PHI nodes.
470
471         2012-03-30  Richard Guenther  <rguenther@suse.de>
472
473         PR tree-optimization/52754
474         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
475         propagate arbitrary addresses into really plain dereferences.
476
477 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
478
479         PR tree-optimization/52835
480         * tree-data-ref.c (build_rdg): Return NULL if
481         compute_data_dependences_for_loop failed.
482
483 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
484
485         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
486         (stmt_can_make_abnormal_goto): Use it.
487         (is_ctrl_altering_stmt): Likewise.
488
489 2012-03-31  Martin Jambor  <mjambor@suse.cz>
490
491         Backported from mainline
492         2012-03-30  Martin Jambor  <mjambor@suse.cz>
493
494         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
495         is a builtin_stack_save in a dominating BB.
496
497 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
498
499         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
500         crossing 128bit lane boundary.
501
502 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
503
504         Backported from mainline
505         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
506
507         PR target/52698
508         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
509         New prototype.
510         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
511         * config/i386/i386.c: Include reload.h.
512         (ix86_legitimize_reload_address): New function.
513
514 2012-03-28  Martin Jambor  <mjambor@suse.cz>
515
516         Backported from mainline
517         2012-03-27  Martin Jambor  <mjambor@suse.cz>
518
519         PR middle-end/52693
520         * tree-sra.c (sra_modify_assign): Do not call
521         load_assign_lhs_subreplacements when working with an unscalarizable
522         region.
523
524 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
525
526         PR middle-end/52691
527         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
528         __builtin_va_start to __builtin_next_arg if the latter is
529         builtin_decl_explicit_p rather than when it is not.
530
531         PR middle-end/52750
532         * tree-vect-generic.c (vector_element): Perform multiplication
533         for pos in bitsizetype type instead of idx type.
534
535 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
536
537         Backport from 2012-03-28 mainline r185910.
538
539         PR target/52692
540         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
541         (avr_builtin_decl): New static function.
542         (struct avr_builtin_description, avr_bdesc): Move up.
543         Add GTY marker. Add field fndecl. Remove redundant field id.
544         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
545         (avr_expand_builtin): Code cleanup because .id is removed.
546
547 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
548
549         PR middle-end/51893
550         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
551         targets.
552
553 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
554
555         Backport from 2012-03-28 mainline r185907.
556
557         PR target/52737
558         * config.gcc (tm_file): Remove avr/multilib.h.
559
560         * doc/invoke.texi (AVR Options): Adjust
561         documentation of -mtiny-stack.
562
563         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
564         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
565         * config/avr/t-avr: Remove generation of multilib.h.
566         * config/avr/t-multilib: Regenerate.
567         * config/avr/multilib.h: Remove.
568         * config/avr/avr.opt (-msp8): New option.
569         (avr_sp8): New variable.
570         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
571         * config/avr/avr.h (AVR_HAVE_SPH): New define.
572         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
573         (avr_device_to_sp8): New prototype.
574         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
575         (DRIVER_SELF_SPECS): New define.
576         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
577         __AVR_SP8__, __AVR_HAVE_SPH__.
578         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
579         AVR_HAVE_8BIT_SP to decide if SP_H is present.
580         (avr_file_start): Ditto.
581
582 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
583
584         PR target/52736
585         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
586         instead of 8 in adjust_address.
587
588 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
589
590         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
591         of a unit before computing the offset in units.
592
593 2012-03-27  Richard Guenther  <rguenther@suse.de>
594
595         PR middle-end/52720
596         * fold-const.c (try_move_mult_to_index): Handle &x.array more
597         explicitely.
598
599 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
600
601         PR target/52610
602         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
603
604 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
605
606         PR middle-end/52640
607         * varasm.c: Include pointer-set.h.
608         (pending_assemble_externals_set): New pointer set.
609         (process_pending_assemble_externals): Destroy the pointer set.
610         (assemble_external): See if decl is in pending_assemble_externals_set,
611         and add it to pending_assemble_externals if necessary.
612         (init_varasm_once): Allocate pending_assemble_externals_set.
613
614 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
615
616         Backported from mainline
617         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
618
619         PR target/50310
620         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
621         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
622         (vector_ltgt<mode>): Likewise.
623         (vector_ordered<mode>): Likewise.
624         (vector_unordered<mode>): Likewise.
625         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
626
627 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
628
629         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
630         Make static.
631
632 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
633
634         Backported from mainline
635         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
636
637         PR target/48596
638         PR target/48806
639         * config/sh/sh.c (sh_register_move_cost): Increase cost between
640         GENERAL_REGS and FP_REGS for SImode.
641
642 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
643
644         PR middle-end/52547
645         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
646         on any new_local_var_chain vars declared during recursing on
647         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
648
649 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
650
651         Backport from 2012-03-22 mainline r185692.
652
653         PR target/52496
654         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
655         (unspecv): Add UNSPECV_MEMORY_BARRIER.
656         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
657         (delay_cycles_1, delay_cycles_2): Ditto.
658         (delay_cycles_3, delay_cycles_4): Ditto.
659         (nopv, *nopv): Ditto.
660         (sleep, *sleep): Ditto.
661         (wdr, *wdr): Ditto.
662
663         Backport from 2012-03-21 mainline r185605.
664
665         PR rtl-optimization/52543
666         PR target/52461
667         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
668         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
669         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
670         (avr_load_libgcc_p): Restrict to __flash loads.
671         (avr_out_lpm): Only handle 1-byte loads from __flash.
672         (avr_load_lpm): New function.
673         (avr_find_unused_d_reg): Remove.
674         (avr_out_lpm_no_lpmx): Remove.
675         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
676         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
677         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
678         (load_<mode>, load_<mode>_clobber): New insns.
679         (mov<mode>): For multi-byte move from non-generic
680         16-bit address spaces: Expand to load_<mode> resp.
681         load_<mode>_clobber.
682         (load<mode>_libgcc): Remove expander.
683         (split-lpmx): Remove split.
684
685         Backport from 2012-03-13 mainline r185329.
686
687         PR target/52488
688         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
689         offset (size) to a value the insns can deal with.
690         (expand_epilogue): Ditto.
691
692         Backport from 2012-03-12 mainline r185256.
693
694         PR target/52499
695         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
696         type from reg_class_t to enum reg_class.
697         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
698
699         Backport from 2012-03-12 mainline r185253.
700
701         PR target/52148
702         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
703         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
704         r184615 from 2012-02-28.
705
706         Backport from 2012-03-08 mainline r185105.
707
708         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
709         for constants in [-63,63].
710
711         Backport from 2012-03-08 mainline r185100.
712
713         PR target/52496
714         * config/avr/avr.c (avr_mem_clobber): New static function.
715         (avr_expand_delay_cycles): Add memory clobber operand to
716         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
717         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
718         (enable_interrupt, disable_interrupt): New expander.
719         (nopv, sleep, wdr): New expanders.
720         (delay_cycles_1): Add memory clobber.
721         (delay_cycles_2): Add memory clobber.
722         (delay_cycles_3): Add memory clobber.
723         (delay_cycles_4): Add memory clobber.
724         (cli_sei): New insn from former "enable_interrupt",
725         "disable_interrupt" with memory clobber.
726         (*wdt): New insn from former "wdt" with memory clobber.
727         (*nopv): Similar, but for "nopv".
728         (*sleep): Similar, but for "sleep".
729
730         Backport from 2012-03-07 mainline r185043.
731
732         PR target/52484
733         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
734
735         Backport from 2012-03-07 mainline r185032.
736
737         PR target/52506
738         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
739         to: RAMPZ, RAMPY, RAMPX, RAMPD.
740         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
741
742         Backport from 2012-03-07 mainline r185031.
743
744         PR target/52505
745         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
746         from RAM.
747         * config/avr/avr.md (xload_8): Adjust insn length.
748
749         Backport from 2012-03-07 mainline r185030.
750
751         PR target/52461
752         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
753         if RAMPZ affects reading from RAM.
754
755         Backport from 2012-03-05 mainline r184919.
756
757         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
758
759 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
760
761         Backport from mainline r185259.
762
763         PR other/52545
764         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
765         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
766
767 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
768
769         Backported from mainline
770         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
771
772         PR c/52577
773         * c-parser.c (c_parser_postfix_expression)
774         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
775
776         * config/i386/smmintrin.h: Avoid /* within a comment.
777         * config/i386/nmmintrin.h: Likewise.
778
779 2012-03-22  Richard Guenther  <rguenther@suse.de>
780
781         * BASE-VER: Set to 4.7.1.
782         * DEV-PHASE: Set to prerelease.
783
784 2012-03-22  Release Manager
785
786         * GCC 4.7.0 released.
787
788 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
789
790         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
791
792 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
793             Andrew Pinski  <apinski@cavium.com>
794
795         PR middle-end/52592
796         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
797         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
798         calls instead of __builtin_ir{int,ound}*.
799
800 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
801
802         PR c++/52582
803         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
804         if c_node is NULL.
805
806 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
807
808         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
809         Refer to GCC 4.7 version of c99status.html.
810
811 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
812
813         Backport from mainline
814         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
815
816         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
817         redefine to be NULL if the current bit-size is different from the
818         configured bit-size.
819
820         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
821         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
822         set the default tuning.  Add asserts to make sure the cpu and tune
823         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
824         test whether the index is set, instead of > 0.
825         (rs6000_file_start): Do not reset the default cpu if the current
826         bit-size is different from the configured bit-size.
827
828 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
829
830         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
831         binutils reference.
832         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
833         Update binutils references.
834         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
835         Update binutils reference.
836         Update Sun as/GNU ld caveat.
837         Document binutils largefile requirement for LTO plugin.
838         Remove reference to alternate libpthread.
839
840 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
841
842         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
843         reference.
844         (Specific, mips-sgi-irix6): Likewise.
845
846 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
847
848         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
849         * configure: Regenerate.
850
851 2012-03-07  Richard Henderson  <rth@redhat.com>
852
853         * config/m68k/m68k.h (ISA_HAS_TAS): New.
854         * config/m68k/sync.md (atomic_test_and_set): Use it.
855         (atomic_test_and_set_1): Likewise.
856
857 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
858
859         PR target/51417
860         * Makefile.in: Let install-gcc-ar depend on installdirs,
861         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
862         Don't double canonicalize if cross-compiling.
863
864 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
865
866         * trans-mem.c: New typedef for tm_region_p.
867         Define vector types for tm_region_p.
868         (tm_region_init): Replace region_worklist to a vector called
869         bb_regions.
870
871 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
872
873         PR middle-end/52463
874         * trans-mem.c (tm_region_init): Use last_basic_block.
875
876 2012-03-05  Richard Henderson  <rth@redhat.com>
877
878         PR tree-opt/52242
879         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
880         * omp-low.c (expand_omp_atomic): Assume anything aligned to
881         BIGGEST_ALIGNMENT is aligned.
882
883 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
884
885         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
886
887 2012-03-05  Richard Henderson  <rth@redhat.com>
888
889         PR target/52481
890         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
891         instead of calling negqi2 directly.
892
893 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
894
895         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
896         (INTMAX_TYPE): Use it.
897         (UINTMAX_TYPE): Likewise.
898         (SUBTARGET_OVERRIDE_OPTIONS): Define.
899         (irix6_c_common_override_options): Declare.
900         (C_COMMON_OVERRIDE_OPTIONS): Define.
901         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
902         * config/mips/irix6-c.c: New file.
903         * config/mips/t-irix6 (irix6-c.o): New target.
904         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
905         cxx_target_objs.
906
907 2012-03-02  Richard Henderson  <rth@redhat.com>
908
909         * optabs.c (expand_atomic_test_and_set): Honor
910         atomic_test_and_set_trueval even when atomic_test_and_set
911         optab is not in use.
912
913 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
914
915         Backport from mainline
916         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
917
918         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
919
920 2012-03-02  Richard Guenther  <rguenther@suse.de>
921
922         * DEV-PHASE: Set to prerelease.
923
924 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
925
926         * config.gcc (obsolete): Add all ARM targets using the FPA.
927         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
928         * doc/install.texi: Avoid references to obsolete ARM ports.
929
930 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
931
932         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
933
934 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
935             Joern Rennecke  <joern.rennecke@embecosm.com>
936
937         * doc/extend.texi: Expand and update information on interrupt
938         attribute for Epiphany.
939
940 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
941
942         * config/sh/sh-protos.h: Update copyright notice dates.
943         * config/sh/sh.h: Likewise.
944         * config/sh/sh.md: Likewise.
945         * config/sh/constraints.md: Likewise.
946         * config/sh/predicates.md: Likewise.
947
948 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
949
950         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
951         * config/sh/sh.c (tertiary_reload_operand): Likewise.
952
953 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
954
955         * config/sh/constraints.md: Fix comment typo.
956
957 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
958
959         PR target/52408
960         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
961         unsigned HOST_WIDE_INT.
962         (zvdep_imm64): Likewise.
963         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
964         (vdepi_and): Likewise.
965         Likewise for unamed 64-bit patterns.
966         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
967
968 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
969
970         PR debug/52001
971         PR rtl-optimization/52417
972         * cselib.c (cselib_any_perm_equivs): New variable.
973         (cselib_reset_table): Check that it's not set when not
974         preserving constants.
975         (cselib_add_permanent_equiv): Set it.
976         (cselib_have_permanent_equivalences): New.
977         (cselib_init, cselib_finish): Reset it.
978         * cselib.h (cselib_have_permanent_equivalences): Declare.
979         * alias.c (get_addr): Restore earlier behavior when there
980         aren't permanent equivalences.
981
982 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
983
984         * config/mn10300/mn10300-modes.def: Fix copyright notice.
985         * config/v850/v850-modes.def: Fix copyright notice.
986
987 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
988
989         * doc/extend.texi (AVR Built-in Functions): Document
990         __builtin_avr_flash_segment.
991
992         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
993         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
994         (*split.flash_segment): New insn-and-split.
995         * config/avr/avr.c (avr_init_builtins): Add local variables:
996         const_memx_void_node, const_memx_ptr_type_node,
997         char_ftype_const_memx_ptr.
998
999 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1000
1001         PR tree-optimization/52445
1002         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1003         add ssa_name_ver, offset and size fields and change store field
1004         to bool.
1005         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1006         (add_or_mark_expr): Likewise.  Only consider previous stores
1007         with the same size and offset.
1008         (nt_init_block): Only look at gimple_assign_single_p stmts,
1009         doesn't look at rhs2.
1010
1011 2012-03-01  Richard Guenther  <rguenther@suse.de>
1012
1013         PR middle-end/52443
1014         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1015         conversions from integral types to pointer types.
1016
1017 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1018
1019         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1020         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1021         unintentionally removed in r184616.
1022
1023 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1024
1025         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1026         3DNow from bdver1.
1027
1028 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1029             Uros Bizjak  <ubizjak@gmail.com>
1030
1031         PR target/52437
1032         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1033         alternatives, add "e" constraint to the new last alternative
1034         and ! to last 3 alternatives.
1035
1036 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1037
1038         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1039         DW_AT_artificial attributes at the end of the processing.
1040         (gen_array_type_die): Likewise.
1041         (gen_enumeration_type_die): Likewise.
1042         (gen_struct_or_union_type_die): Likewise.
1043         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1044         the parent type.
1045
1046 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1047
1048         PR middle-end/52419
1049         * expr.c (expand_assignment): If doing misaligned store that doesn't
1050         cover all mode bits, perform a RMW cycle.
1051
1052         PR tree-optimization/52429
1053         * tree-parloops.c (separate_decls_in_region_debug): Return early
1054         if var is LABEL_DECL.
1055
1056 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1057
1058         PR tree-optimization/52424
1059         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1060         calling dom_thread_across_edge.
1061
1062 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1063
1064         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1065
1066 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1067
1068         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1069         * config/avr/avr.c (avr_output_bld): Remove unused function.
1070         (avr_out_sbxx_branch): Use "%T" to print bit position.
1071
1072 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1073
1074         * config/avr/avr.md: Untabify.
1075
1076 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1077
1078         * config/avr/avr.md (eqne): New code iterator.
1079         (*dec-and-branchsi): Use it in text peephole's condition.
1080         (*dec-and-branchhi): Ditto.
1081         (*dec-and-branchqi): Ditto.
1082
1083 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1084
1085         PR target/49939
1086         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1087         the device does not have the skip-bug.
1088
1089 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1090
1091         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1092         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1093         -mpretend-cmove): New.
1094
1095 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1096
1097         PR bootstrap/52397
1098         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1099         doesn't count DEBUG_INSN refs.
1100         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1101         for DEBUG_INSN refs.
1102
1103 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1104
1105         Partially revert:
1106
1107         2012-02-20  Richard Guenther  <rguenther@suse.de>
1108         PR tree-optimization/52298
1109         * tree-vect-stmts.c (vectorizable_load): Properly use
1110         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1111         outer loops.
1112
1113 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1114
1115         PR middle-end/51752
1116         * gimple.h (gimple_in_transaction): New.
1117         (gimple_set_in_transaction): New.
1118         (struct gimple_statement_base): Add in_transaction field.
1119         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1120         transaction loads.
1121         (tree_ssa_lim_initialize): Compute transaction bits.
1122         * tree.h (compute_transaction_bits): Protoize.
1123         * trans-mem.c (tm_region_init): Use the heap to store BB
1124         auxilliary data.
1125         (compute_transaction_bits): New.
1126
1127 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1128
1129         * gcc.c (display_help): Document --help=common and sort entries
1130         alphabetically.
1131
1132 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1133
1134         * doc/install.texi: Document check-$LANG specific shortcuts
1135
1136 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1137
1138         PR target/51534
1139         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1140         and vcgtu.
1141         * config/arm/arm_neon.h: Regenerate.
1142         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1143         (neon_vcgeu): New insn.
1144         (neon_vcgtu): Likewise.
1145         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1146         (ops): Unsigned comparison intrinsics call a different
1147         builtin.
1148
1149 2012-02-28  Richard Guenther  <rguenther@suse.de>
1150
1151         PR target/52407
1152         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1153         ordering for the VEC_CONCAT for two element vectors for
1154         V2SFmode, V2SImode and V2DImode.
1155
1156 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1157
1158         PR target/49448
1159         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1160         detecting big-endian triplets.
1161
1162 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1163
1164         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1165         mode if there is no type information available.
1166
1167 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1168
1169         PR tree-optimization/53207
1170         * doc/invoke.texi: Document as experimental and relying on graphite.
1171
1172 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1173
1174         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1175         of initializer to changes from r184614.
1176
1177 2012-02-28  Richard Guenther  <rguenther@suse.de>
1178
1179         PR tree-optimization/52395
1180         * tree-sra.c (build_ref_for_offset): Also look at the base
1181         TYPE_ALIGN when figuring out the alignment of the replacement.
1182
1183 2012-02-28  Richard Guenther  <rguenther@suse.de>
1184
1185         PR tree-optimization/52402
1186         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1187         mis-aligned types when creating the accesses at the call site.
1188
1189 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1190
1191         * config/avr/builtins.def: New file.
1192         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1193         * config/avr/avr.c (enum avr_builtin_id): Use it.
1194         (avr_init_builtins): Use it. And use avr_bdesc.
1195         (bdesc_1arg): Remove.
1196         (bdesc_2arg): Remove.
1197         (bdesc_3arg): Remove.
1198         (struct avr_builtin_description): Add field n_args.
1199         (avr_bdesc): New static variable using builtins.def.
1200         (avr_expand_builtin): Use it.
1201         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1202         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1203         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1204
1205 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1206
1207         PR target/52148
1208         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1209         match only one single hard register with respective hard reg rtx.
1210         (movmemx_<mode>): Ditto.
1211         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1212         insn anatomy of movmem[x]_<mode>.
1213         (avr_out_movmem): Same for printing assembler and operand usage.
1214
1215 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1216
1217         PR target/49868
1218         PR target/52261
1219         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1220         address spaces located outside of device flash.
1221
1222         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1223         (mcu_type_s): Add field n_flash.
1224         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1225         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1226         (AVR_MCU): Add N_FLASH argument.
1227         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1228         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1229         macro __FLASH<n> if that address space makes sense for the device.
1230         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1231         outside of target flash.
1232         (avr_asm_named_section): Ditto.
1233         (avr_asm_select_section): Ditto.
1234         (avr_addr_space_convert): Ditto.
1235         (avr_emit_movmemhi): Ditto.
1236         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1237         address space is outside of device flash.
1238         (avr_insert_attributes): Ditto.
1239         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1240         avr_current_arch->n_segments.
1241
1242 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1243
1244         PR target/52352
1245         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1246         TARGET_LP64.
1247         (*movabs<mode>_2): Likewise.
1248
1249 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1250
1251         PR target/52375
1252         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1253         s_register_operand in the test instead of REG_P.  Don't call
1254         gen_reg_rtx if it won't be used.
1255
1256         PR tree-optimization/52376
1257         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1258
1259 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1260
1261         * ifcvt.c (noce_get_condition): Check condition variable is not
1262         small_register_classes_for_mode_p before accepting.
1263
1264 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1265
1266         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1267
1268 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1269
1270         Revert:
1271         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1272         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1273         tuning parameters.
1274         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1275
1276 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1277
1278         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1279
1280 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1281
1282         * config/sh/predicates.md: Remove blank lines.
1283         * config/sh/sh.c: Fix typos in comments.
1284         * config/sh/constraints.md: Likewise.
1285         * config/sh/sh.md: Remove blank lines.
1286         Fix typos in comments.  Use ;; as comment characters.
1287
1288 2012-02-26  Walter Lee  <walt@tilera.com>
1289
1290         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1291         (replace_mov_pcrel_step2): Ditto.
1292
1293 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1294
1295         PR debug/52001
1296         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1297         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1298         and locs that reference values newer than the non-canonical value
1299         at hand.  Return the canonical value as a worst case.
1300         (memrefs_conflict_p): Walk canonical value's locs.
1301
1302         PR debug/52001
1303         * cselib.c (preserve_only_constants): Rename to...
1304         (preserve_constants_and_equivs): ... this.  Split out...
1305         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1306         of other preserved expressions too.
1307         (cselib_reset_table): Adjust.
1308         * var-tracking.c (reverse_op): Use canonical value to build
1309         reverse operation.
1310
1311 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1312
1313         * config/i386/i386.c (ix86_delegitimize_address): Handle
1314         UNSPEC_PCREL plus displacement.
1315
1316 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1317
1318         PR target/52261
1319         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1320         to test for unusedness in st X addressing.
1321
1322 2012-02-24  Richard Guenther  <rguenther@suse.de>
1323
1324         PR middle-end/52361
1325         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1326         (is_gimple_reg_type): Move inline ...
1327         * gimple.h (is_gimple_reg_type): ... here.
1328
1329 2012-02-24  Richard Guenther  <rguenther@suse.de>
1330
1331         PR middle-end/52361
1332         * passes.c (execute_function_todo): When verifying SSA form
1333         verify gimple form first.
1334         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1335
1336 2012-02-24  Richard Guenther  <rguenther@suse.de>
1337
1338         PR middle-end/52355
1339         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1340         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1341
1342 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1343
1344         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1345
1346 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1347
1348         * tree-phinodes.c (make_phi_node): Mark static.
1349         * tree-flow.h (make_phi_node): Remove extern decl.
1350         * doc/gimple.texi (make_phi_node): Remove documentation.
1351
1352 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1353
1354         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1355         * tree-ssa-sccvn.c (print_scc): Ditto.
1356
1357 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1358
1359         * doc/passes.texi (Full redundancy elimination): Fix typo.
1360
1361 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1362
1363         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1364
1365 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1366
1367         PR bootstrap/52287
1368         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1369
1370 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1371
1372         PR c/52290
1373         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1374
1375 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1376
1377         * config/avr/avr.md (code_stdname): Add ior, xor.
1378         (xior): New code iterator.
1379         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1380         (*<code_stdname><mode>qi.byte1-3): Ditto.
1381
1382 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1383
1384         PR tree-optimization/52019
1385         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1386         CLOBBER stmts.
1387
1388 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1389
1390         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1391         HAVE_INITFINI_ARRAY to work around namespace pollution in
1392         certain versions of newlib system headers.
1393         * config.in: Regenerate.
1394         * configure: Regenerate.
1395         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1396         instead of HAVE_INITFINI_ARRAY.
1397
1398 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1399
1400         PR target/52330
1401         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1402         is not offsettable memory reference.
1403
1404 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1405
1406         PR target/18145
1407         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1408         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1409
1410 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1411
1412         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1413         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1414
1415 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1416
1417         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1418         library on Solaris 8 even without TLS support.
1419         * configure: Regenerate.
1420
1421 2012-02-22  Richard Guenther  <rguenther@suse.de>
1422
1423         PR middle-end/52329
1424         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1425         for GIMPLE_DEBUG stmts.
1426
1427 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1428
1429         PR middle-end/51782
1430         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1431         according to the base object.
1432
1433 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1434
1435         PR rtl-optimization/50063
1436         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1437         and 2 (8-bit SP) in operand 2.
1438         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1439         setup to use movhi_sp_r instead of vanilla move to write SP.
1440         Adjust REG_CFA notes to superseed unspec.
1441         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1442         of vanilla move.
1443         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1444         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1445         irq_state 1 (IRQ known to be on) here.
1446
1447 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1448
1449         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1450         WORDS_BIG_ENDIAN.
1451         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1452         assign_hard_reg): Likewise.
1453
1454 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1455
1456         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1457
1458 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1459
1460         * config/avr/avr.md
1461         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1462         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1463
1464 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1465
1466         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1467         prototype from here to...
1468         * config/avr/avr.h: ...here.
1469
1470 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1471
1472         PR target/52294
1473         * thumb2.md (thumb2_shiftsi3_short): Split register and
1474         immediate shifts.  For register shifts tie operands 0 and 1.
1475         (peephole2 for above): Check that register-controlled shifts
1476         have suitably tied operands.
1477
1478 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1479
1480         PR target/52137
1481         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1482         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1483         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1484         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1485         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1486         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1487         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1488         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1489         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1490         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1491         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1492         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1493         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1494         bdver1_ssevector_avx256_unaligned_load,
1495         bdver1_ssevector_sse128_unaligned_load,
1496         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1497         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1498         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1499         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1500         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1501         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1502         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1503         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1504         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1505         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1506         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1507         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1508         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1509         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1510         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1511         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1512         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1513         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1514         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1515         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1516         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1517         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1518         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1519         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1520         bdver1_ssediv_double_load, bdver1_ssediv_double,
1521         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1522         Add "bdver2" attribute.
1523
1524 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1525
1526         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1527         default if possible and not specified otherwise.
1528
1529 2012-02-21  Richard Guenther  <rguenther@suse.de>
1530
1531         PR middle-end/52314
1532         * gimplify.c (create_tmp_from_val): Use the main variant type
1533         for the type of the temporary we create.
1534
1535 2012-02-21  Richard Guenther  <rguenther@suse.de>
1536
1537         PR tree-optimization/52324
1538         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1539         do not gimplify a MEM_REF address operand if it is already
1540         in suitable form.
1541
1542 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1543
1544         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1545         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1546
1547 2012-02-21  Richard Guenther  <rguenther@suse.de>
1548
1549         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1550         nested_in_vect_loop.
1551
1552 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1553
1554         PR tree-optimization/52318
1555         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1556         vdef also to non-pure/const call stmts in the sequence.
1557
1558 2012-02-20  David S. Miller  <davem@davemloft.net>
1559
1560         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1561         don't use the "rd %pc" instruction on v9 for PIC register loads.
1562
1563 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1564
1565         PR middle-end/52141
1566         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1567         in a transaction safe function.
1568
1569 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1570
1571         PR target/52238
1572         * stor-layout.c (place_field): Handle desired_align for
1573         ms-bitfields, too.
1574
1575 2012-02-20  Richard Guenther  <rguenther@suse.de>
1576
1577         PR tree-optimization/52298
1578         * tree-vect-stmts.c (vectorizable_store): Properly use
1579         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1580         outer loops.
1581         (vectorizable_load): Likewise.
1582         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1583         Access DR_STEP after ensuring it is not NULL.
1584
1585 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1586
1587         PR tree-optimization/52286
1588         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1589         optimization use double_int_to_tree instead of build_int_cst_wide,
1590         rewrite to use double_int vars.
1591
1592 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1593
1594         PR target/50166
1595         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1596         Define _start.
1597         Remove -e 0 from $gcc_cv_ld invocation.
1598         Only use __GLIBC_PREREQ if defined.
1599         Enable on Solaris since Solaris 8 patch.
1600         (gcc_SUN_LD_VERSION): New macro.
1601         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1602         gcc_SUN_LD_VERSION for version number format.
1603         * configure: Regenerate.
1604         * varasm.c (get_elf_initfini_array_priority_section): Set
1605         SECTION_NOTYPE for non-default priority.
1606         Use get_section instead of get_unnamed_section to emit
1607         .init_array/.fini_array with default priority.
1608
1609 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1610
1611         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1612         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1613         (mips_start_unique_function, mips_output_mips16_rdhwr)
1614         (mips_code_end): New functions.
1615         (TARGET_ASM_CODE_END): Define.
1616
1617 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1618
1619         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1620         to stubs with non-sibling calls.
1621
1622 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1623
1624         * doc/invoke.texi (-fira-* options): Copy-edit.
1625         (ira-* parameters): Copy-edit.
1626
1627 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1628
1629         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1630         GCC coding conventions.
1631
1632 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1633
1634         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1635         when used as adjectives.
1636
1637 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1638
1639         * doc/invoke.texi: Clean up "that"/"which" confusion.
1640
1641 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1642
1643         * system.h: Poison SMALL_REGISTER_CLASSES
1644         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1645         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1646
1647 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1648
1649         PR tree-optimization/52285
1650         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1651         when deciding if a call is a tail call or tail recursion.
1652
1653 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1654
1655         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1656         interger-constant displacement for UNSPEC_PCREL.
1657
1658 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1659
1660         PR rtl-optimization/52208
1661         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1662         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1663
1664         PR tree-optimization/52255
1665         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1666         loop->header has virtual PHI, but exit_e->dest doesn't, add
1667         virtual PHI to exit_e->dest and adjust all uses after the loop.
1668
1669         PR debug/52260
1670         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1671         children with clone_tree_hash, not after it.
1672
1673 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1674
1675         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1676         extended identifiers.
1677
1678 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR middle-end/51929
1681         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1682         a same_body_alias, also test whether e->callee isn't a former
1683         or current clone of the decl this is a same body alias of.
1684
1685         PR translation/52264
1686         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1687
1688 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1689
1690         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1691
1692 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1693
1694         PR target/52199
1695         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1696         force_reg instead of copy_to_reg for better optimization.  Force
1697         non-register or memory operands into a register.
1698
1699 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1700
1701         * extend.texi: Reserve upper bits of memory model for future use.
1702
1703 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1704             Anatoly Sokolov <aesok@post.ru>
1705             Eric Weddington <eric.weddington@atmel.com>
1706
1707         PR target/52261
1708         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1709         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1710         Rewrite initializers for .macro.
1711         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1712         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1713         atxmega32d4, atxmega32x1.
1714         avrxmega4: atxmega64a3, atxmega64d3.
1715         avrxmega5: atxmega64a1, atxmega64a1u.
1716         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1717         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1718         avrxmega7: atxmega128a1, atxmega128a1u.
1719         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1720         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1721         (struct base_arch_s): Rename reserved to xmega_p.
1722         Rename reserved2 to have_rampd.
1723         (AVR_XMEGA): New define.
1724         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1725         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1726         * config/avr/predicates.md (io_address_operand): Take into
1727         account SFR offset.
1728         (low_io_address_operand): Ditto.
1729         (high_io_address_operand): Ditto.
1730         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1731         (enabled, movhi_sp_r): Use them.
1732         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1733         cpp_define_formatted to built-in define __AVR_ARCH__.
1734         (__AVR_XMEGA__): New built-in define.
1735         (__AVR_HAVE_RAMPD__): New built-in define.
1736         (__AVR_HAVE_RAMPX__): New built-in define.
1737         (__AVR_HAVE_RAMPY__): New built-in define.
1738         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1739
1740         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1741         (avr_option_override): Initialize them.
1742         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1743         (avr_init_expanders): Initialize them. No more block several calls.
1744         (emit_push_sfr): New static function.
1745         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1746         Handle AVR_XMEGA.
1747         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1748         (avr_print_operand): Print addreeses as symbols for
1749         RAMPX, RAMPY, RAMPD, CCP.
1750         (output_movhi): Handle AVR_XMEGA when writing to SP.
1751         (avr_out_movhi_mr_r_xmega): New static function.
1752         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1753         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1754         __RAMPD__,  __CCP__ as needed.
1755
1756         * config/avr/multilib.h: Regenerate.
1757         * config/avr/t-multilib: Regenerate.
1758         * config/avr/avr-tables.opt: Regenerate.
1759
1760 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1761
1762         PR tree-optimization/50561
1763         * graphite-flattening.c (lst_project_loop): Do not
1764         remove old scattering dimensions after flattening.
1765         (lst_do_flatten): Likewise.
1766
1767 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1768
1769         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1770         __builtin_avr_map8, __builtin_avr_map16.
1771         Document __builtin_avr_insert_bits.
1772
1773         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1774         (insert_bits): New insn.
1775         (adjust_len.map_bits): Rename to insert_bits.
1776         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1777         * avr-protos.h (avr_out_map_bits): Remove.
1778         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1779         * config/avr/constraints.md (Cxf,C0f): New.
1780         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1781         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1782         New built-in define __BUILTIN_AVR_INSERT_BITS.
1783         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1784         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1785         (avr_move_bits): Rewrite.
1786         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1787         functions.
1788         (avr_map_op_t): New typedef.
1789         (avr_map_op): New static variable.
1790         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1791         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1792         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1793         (bdesc_3arg, avr_expand_triop_builtin): New.
1794         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1795         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1796         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1797         (avr_map_equal_p, avr_map_sig_p): Remove.
1798         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1799         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1800         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1801         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1802         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1803         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1804
1805 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1806
1807         * config/c6x/c6x.md (reserve_cycles): New attribute.
1808         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1809         don't reserve functional units after the branch occurs.
1810
1811 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1812
1813         PR middle-end/52142
1814         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1815         functions into non-tm_pure functions.
1816
1817 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1818
1819         PR lto/52178
1820         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1821         (iterative_hash_canonical_type): Likewise.
1822         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1823         the dead edges.
1824
1825 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1826
1827         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1828         sched-group insn, it either remains alone or the entire list is pruned.
1829
1830 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1831
1832         * doc/install.texi (Prerequisites): Fix grammar.
1833         (Configuration): Likewise.
1834
1835 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1836
1837         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1838         MPC as part of GCC before describing configuring with --with-gmp etc.
1839         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1840         sources are present.
1841
1842 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1843
1844         PR debug/51950
1845         * dwarf2out.c (clone_tree_hash): New function.
1846         (copy_decls_walk): Use it instead of clone_tree.
1847
1848 2012-02-14  Richard Guenther  <rguenther@suse.de>
1849
1850         PR tree-optimization/52244
1851         PR tree-optimization/51528
1852         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1853         replacements for integral types.
1854
1855 2012-02-14  Walter Lee  <walt@tilera.com>
1856
1857         * config.gcc: Handle tilegx and tilepro.
1858         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1859         tilegx and tilepro.
1860         Add HAVE_AS_TLS check for tilegx and tilepro.
1861         * configure: Regenerate.
1862         * doc/contrib.texi: Add Mat Hostetter and self.
1863         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1864         Document instruction intrinsics and network accessing intrinsics.
1865         (TILEPro Built-in Functions): New node.  Document instruction
1866         intrinsics and network accessing intrinsics.
1867         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1868         (Specific, tilepro-*-linux*): Likewise.
1869         * doc/invoke.texi (TILE-Gx Options): New section.
1870         (TILEPro Options): New section.
1871         * doc/md.texi (TILE-Gx): New section.
1872         (TILEPro): New section.
1873         * common/config/tilegx/tilegx-common.c: New file.
1874         * common/config/tilepro/tilepro-common.c: New file.
1875         * config/tilegx/constraints.md: New file.
1876         * config/tilegx/linux.h: New file.
1877         * config/tilegx/mul-tables.c: New file.
1878         * config/tilegx/predicates.md: New file.
1879         * config/tilegx/sync.md: New file.
1880         * config/tilegx/t-tilegx: New file.
1881         * config/tilegx/tilegx-builtins.h: New file.
1882         * config/tilegx/tilegx-c.c: New file.
1883         * config/tilegx/tilegx-generic.md: New file.
1884         * config/tilegx/tilegx-modes.def: New file.
1885         * config/tilegx/tilegx-multiply.h: New file.
1886         * config/tilegx/tilegx-protos.h: New file.
1887         * config/tilegx/tilegx.c: New file.
1888         * config/tilegx/tilegx.h: New file.
1889         * config/tilegx/tilegx.md: New file.
1890         * config/tilegx/tilegx.opt: New file.
1891         * config/tilepro/constraints.md: New file.
1892         * config/tilepro/gen-mul-tables.cc: New file.
1893         * config/tilepro/linux.h: New file.
1894         * config/tilepro/mul-tables.c: New file.
1895         * config/tilepro/predicates.md: New file.
1896         * config/tilepro/t-tilepro: New file.
1897         * config/tilepro/tilepro-builtins.h: New file.
1898         * config/tilepro/tilepro-c.c: New file.
1899         * config/tilepro/tilepro-generic.md: New file.
1900         * config/tilepro/tilepro-modes.def: New file.
1901         * config/tilepro/tilepro-multiply.h: New file.
1902         * config/tilepro/tilepro-protos.h: New file.
1903         * config/tilepro/tilepro.c: New file.
1904         * config/tilepro/tilepro.h: New file.
1905         * config/tilepro/tilepro.md: New file.
1906         * config/tilepro/tilepro.opt: New file.
1907
1908 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1909
1910         PR tree-optimization/52210
1911         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1912         vect_model_simple_cost with two entry vect_def_type array instead
1913         of an address of dt.
1914
1915 2012-02-14  Richard Guenther  <rguenther@suse.de>
1916
1917         PR lto/52178
1918         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1919         Do not stream DECL_QUALIFIER.
1920         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1921         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1922         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1923
1924 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1925
1926         PR c/52181
1927         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1928         newdecl.
1929
1930 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1931
1932         PR bootstrap/52172
1933         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1934         * cselib.c (cselib_subst_to_values_from_insn): New function.
1935         * sched-deps.c (add_insn_mem_dependence,
1936         sched_analyze_1, sched_analyze_2): Use it.
1937
1938 2012-02-13  Jan Hubicka  <jh@suse.cz>
1939
1940         PR middle-end/52214
1941         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1942
1943 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1944
1945         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1946         (GTM_SELF_SPECS): Define if not already defined.
1947         (driver_self_specs): Add GTM_SELF_SPECS.
1948         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1949         (GTM_SELF_SPECS): Define.
1950         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1951         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1952
1953 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1954
1955         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1956         away if seen.
1957
1958         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1959
1960         PR middle-end/52230
1961         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1962         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1963
1964 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1965
1966         PR c/52190
1967         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1968
1969 2012-02-13  Richard Guenther  <rguenther@suse.de>
1970
1971         PR translation/52211
1972         * passes.c (enable_disable_pass): Fix typo.
1973
1974 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1975
1976         PR middle-end/52209
1977         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1978         XOR for reduce_bit_field if type is unsigned.
1979
1980 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1981
1982         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1983         disallow changes from SFmode to mode with different size in FP regs.
1984
1985 2012-02-12  Robert Millan  <rmh@gnu.org>
1986             Gerald Pfeifer <gerald@pfeifer.com>
1987
1988         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1989         Tweak comment.
1990
1991 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1992
1993         PR rtl-optimization/52175
1994         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1995         to frame-related instructions.
1996
1997 2012-02-10  Jason Merrill  <jason@redhat.com>
1998
1999         PR c++/51910
2000         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2001         (demangle_new_symbols): Fill it.
2002         (scan_linker_output): Walk it.
2003         (start_tweaking): Split out from scan_linker_output.
2004         (maybe_tweak): Update sym->chosen.
2005         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2006
2007 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2008
2009         PR debug/52132
2010         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2011
2012 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2013
2014         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2015         having the same mode as previous compare.
2016
2017 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2018
2019         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2020         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2021         (nonlocal_goto_internal): Likewise.
2022         (nonlocal_goto): Emit a use and an indirect jump directly.
2023
2024 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2025
2026         PR c/52190
2027         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2028         __atomic_{is,always}_lock_free.
2029
2030 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2031
2032         PR target/52146
2033         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2034         negative constant address for x32.
2035
2036 2012-02-10  Richard Henderson  <rth@redhat.com>
2037
2038         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2039         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2040         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2041
2042 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2043             Ira Rosen  <irar@il.ibm.com>
2044
2045         PR tree-optimization/50031
2046         * targhooks.c (default_builtin_vectorization_cost): Handle
2047         vec_promote_demote.
2048         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2049         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2050         all types of reduction and pattern statements.
2051         (vect_estimate_min_profitable_iters): Likewise.
2052         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2053         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2054         for explicit realigns.
2055         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2056         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2057         vec_promote_demote.
2058         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2059         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2060         vec_perm for VSX and handle vec_promote_demote.
2061
2062 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2063
2064         PR middle-end/52177
2065         * builtins.c (fold_builtin_atomic_always_lock_free,
2066         expand_builtin_atomic_always_lock_free,
2067         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2068         Return and/or test boolean_true_node/boolean_false_node instead of
2069         integer_one_node/integer_zero_node.
2070
2071 2012-02-10  Jan Hubicka  <jh@suse.cz>
2072
2073         PR middle-end/48600
2074         * predict.c (predict_paths_for_bb): Prevent looping.
2075         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2076
2077 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2078
2079         * config/arm/arm.c (output_move_double): In one case properly
2080         count number of instructions that will be emitted.
2081
2082 2012-02-10  Richard Guenther  <rguenther@suse.de>
2083
2084         PR translation/52193
2085         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2086
2087 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2088
2089         PR middle-end/52140
2090         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2091
2092 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2093
2094         PR debug/52165
2095         * var-tracking.c (emit_note_insn_var_location): If
2096         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2097         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2098         non-NOTE_DURING_CALL_P insn.
2099
2100 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2101
2102         PR middle-end/51867
2103         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2104
2105 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2106
2107         PR driver/48524
2108         * gcc.c (switch_matches) Support switches with separated form,
2109         -D and -U.
2110
2111 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2112
2113         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2114         (SP_ADDR): Ditto.
2115         (RAMPZ_ADDR): Ditto.
2116         * config/avr/avr.c (avr_addr_t): New typedef.
2117         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2118         (avr_init_expanders): Initialize it.
2119         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2120         SREG_ADDR.
2121         (expand_epilogue): Ditto.
2122         (avr_print_operand): Ditto.
2123         (avr_file_start): Ditto.
2124         (avr_emit_movmemhi): Ditto.
2125
2126 2012-02-08  Richard Guenther  <rguenther@suse.de>
2127
2128         PR tree-optimization/46886
2129         * tree-flow.h (do_while_loop_p): Declare.
2130         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2131         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2132
2133 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2134
2135         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2136         always succeed for integers larger than a native word.
2137
2138 2012-02-08  Richard Guenther  <rguenther@suse.de>
2139
2140         PR rtl-optimization/52170
2141         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2142         properly handle integer vector modes.
2143
2144 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2145
2146         PR gcov-profile/52150
2147         * coverage.c: Include target.h.
2148         (build_var): Call targetm.strip_name_encoding on the assembler name.
2149         Change one _ into . or $ if the target allows it.
2150         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2151
2152         PR rtl-optimization/52139
2153         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2154         is a BARRIER after emit_insn_after_noloc, move BB_END
2155         to the last non-BARRIER insn before it.
2156
2157 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2158
2159         PR middle-end/24306
2160         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2161         (mips_gimplify_va_arg_expr): Call it instead of
2162         std_gimplify_va_arg_expr.
2163
2164 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2165
2166         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2167         message for -mno-pointers-to-nested-function.
2168
2169 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2170
2171         PR middle-end/51994
2172         * expr.c (get_inner_reference): If there is an offset, add a negative
2173         bit position to it (if any).
2174
2175 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2176
2177         PR rtl-optimization/52060
2178         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2179         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2180         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2181         and/or i0src_copy2 when needed.
2182
2183 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2184
2185         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2186         or LTOPLUGINSONAME if have_c.
2187
2188         * config/freebsd-spec.h: Add comment about what macros can be defined
2189         in this header.
2190         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2191         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2192         here instead.
2193
2194 2012-02-07  Richard Guenther  <rguenther@suse.de>
2195
2196         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2197         newline in -alias dumps.
2198
2199 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2200             Dave Korn  <dave.korn.cygwin@gmail.com>
2201
2202         PR target/40068
2203         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2204         Take care that typinfo gets dllexport-attribute.
2205
2206 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2207
2208         PR middle-end/52074
2209         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2210         if modifier < EXPAND_SUM call force_operand on the result.
2211
2212 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2213
2214         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2215         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2216         present.
2217         (epiphany_function_type): Replace types for specific interrupts with
2218         EPIPHANY_FUNCTION_INTERRUPT.
2219         (EPIPHANY_INTERRUPT_P): Update.
2220         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2221         New static function.
2222         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2223         <disinterrupt>: Affects type identity.
2224         (epiphany_handle_interrupt_attribute): Handle variable number of
2225         arguments.
2226         (epiphany_compute_function_type): Update for new
2227         epiphany_function_type definition.
2228         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2229         handlers with a longcall forwarder.
2230         (epiphany_start_function): Handle multiple interrupt arguments and/or
2231         forwarder_section attribute.
2232
2233         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2234         libgloss.
2235
2236 2012-02-07  Alan Modra  <amodra@gmail.com>
2237
2238         PR target/52107
2239         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2240         subregs of TFmode.
2241
2242 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2243
2244         PR tree-optimization/50969
2245         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2246         use vec_perm rather than vector_stmt.
2247         (vect_model_load_cost): Likewise.
2248         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2249         vec_perm to be the same as other vector statements.
2250         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2251         cost of vec_perm for TARGET_VSX.
2252
2253 2012-02-06  Richard Guenther  <rguenther@suse.de>
2254
2255         PR tree-optimization/52115
2256         * tree-sra.c (access_has_replacements_p): New function.
2257         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2258
2259 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2260
2261         PR middle-end/52047
2262         * trans-mem.c (expand_call_tm): Add an assertion.
2263         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2264         functions.
2265
2266 2012-02-06  Richard Guenther  <rguenther@suse.de>
2267
2268         PR tree-optimization/50955
2269         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2270         raise cost of expressions that replace an address with an
2271         expression based on a different pointer.
2272
2273 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2274
2275         PR target/52129
2276         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2277         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2278
2279 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2280
2281         PR c++/48680
2282         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2283         -Weffc++ and specify guidelines come from second edition.
2284
2285 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2286
2287         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2288         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2289         (call_direct_split, call_value_split, call_value_internal_direct)
2290         (call_value_direct_split, call_value_multiple_split): Use jal and
2291         jal_macro attributes.
2292
2293 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2294
2295         * reload1.c (reload_regs_reach_end_p): Replace with...
2296         (reload_reg_rtx_reaches_end_p): ...this function.
2297         (new_spill_reg_store): Update commentary.
2298         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2299         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2300         before setting new_spill_reg_store.
2301         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2302         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2303         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2304         for non-spill reload registers.
2305
2306 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2307
2308         PR tree-optimization/52091
2309         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2310         (vect_is_simple_use_1): Likewise.
2311         * tree-vect-loop.c (vectorizable_reduction): Update calls
2312         to vect_is_simple_use_1 and vect_is_simple_use.
2313         (vectorizable_live_operation): Likewise.
2314         * tree-vect-patterns.c (widened_name_p,
2315         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2316         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2317         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2318         vectorizable_shift,vectorizable_operation, vectorizable_store,
2319         vectorizable_load): Likewise.
2320         (vect_is_simple_cond): Add an argument, pass it to
2321         vect_is_simple_use_1.
2322         (vectorizable_condition): Update calls to vect_is_simple_cond,
2323         vect_is_simple_use.
2324         (vect_is_simple_use): Add an argument, the statement in which
2325         OPERAND is used.  Check that if OPERAND's def stmt is a double
2326         reduction phi node, the use is a phi node too.
2327         (vect_is_simple_use_1): Add an argument, pass it to
2328         vect_is_simple_use.
2329         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2330         to vect_is_simple_use.
2331
2332 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2333
2334         PR rtl-optimization/52095
2335         * modulo-sched.c (dump_insn_locator): New function.
2336         (loop_canon_p, sms_schedule): Use it.
2337
2338         PR rtl-optimization/52113
2339         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2340         even for decomposable shift/zext insns.
2341
2342 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2343             Zdenek Dvorak  <ook@ucw.cz>
2344
2345         PR rtl-optimization/52092
2346         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2347         on get_iv_value result.
2348
2349 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2350
2351         PR middle-end/47982
2352         PR middle-end/43967
2353         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2354
2355 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2356
2357         PR middle-end/48071
2358         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2359
2360 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2361
2362         PR rtl-optimization/49800
2363         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2364         (sched_finish): Call regstat_free_n_sets_and_refs.
2365
2366 2012-02-02  Jia Liu  <proljc@gmail.com>
2367
2368         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2369         than operand 2.
2370
2371 2012-02-02  Jan Hubicka  <jh@suse.cz>
2372             Tom de Vries  <tom@codesourcery.com>
2373
2374         PR middle-end/51998
2375         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2376         * varpool.c (varpool_analyze_pending_decls): Likewise.
2377
2378 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2379             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2380
2381         * config.gcc: Add cr16-* support.
2382
2383         * doc/extend.texi: Document cr16 extensions.
2384         * doc/install.texi: Document cr16 install.
2385         * doc/invoke.texi: Document cr16 options.
2386         * doc/md.texi: Document cr16 constraints.
2387
2388         * common/config/cr16/cr16-common.c: New file.
2389         * config/cr16/cr16.c: New file.
2390         * config/cr16/cr16.h: New file.
2391         * config/cr16/cr16.md: New file.
2392         * config/cr16/cr16.opt: New file.
2393         * config/cr16/cr16-protos.h: New file.
2394         * config/cr16/predicates.md: New file.
2395         * config/cr16/constraints.md: New file.
2396         * config/cr16/t-cr16: New file.
2397
2398 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2399
2400         PR target/52086
2401         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2402         that operands[2] is either immediate, or q_regs_operand.
2403
2404         PR tree-optimization/52073
2405         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2406         a pattern stmt for pattern uses, ignore uses outside of the loop.
2407
2408 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2409
2410         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2411         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2412         (OUT_AS1, OUT_AS2): Remove.
2413
2414 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2415
2416         PR rtl-optimization/51374
2417         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2418         to cross other volatile_refs_p insns.
2419
2420 2012-02-01  Richard Guenther  <rguenther@suse.de>
2421
2422         * doc/invoke.texi (fno-inline): Clarify documentation.
2423         (finline-small-functions): Likewise.
2424         (finline-functions): Likewise.
2425         * common.opt (finline): Adjust comment and documentation.
2426         (finline-small-functions): Clarify documentation.
2427         (finline-functions): Likewise.
2428         (finline-functions-called-once): Likewise.
2429
2430 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2431
2432         * c-typeck.c (composite_type): Keep mode for pointers.
2433
2434 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2435
2436         * function.h (regno_reg_rtx): Adjust comment.
2437         * reginfo.c (init_reg_modes_target): Only use the previous mode
2438         if it fits within one register.  Remove MIPS comment.
2439
2440 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2441
2442         PR bootstrap/52058
2443         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2444
2445 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2446
2447         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2448         to srak instruction.
2449
2450 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2451
2452         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2453
2454 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2455
2456         PR bootstrap/52041
2457         PR bootstrap/52039
2458         PR target/51974
2459         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2460
2461 2012-01-31  Richard Guenther  <rguenther@suse.de>
2462
2463         PR tree-optimization/51528
2464         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2465         assigns.
2466
2467 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2468
2469         PR bootstrap/52041
2470         PR bootstrap/52039
2471         PR target/51974
2472         * ree.c (add_removable_extension): Change def_map argument
2473         to unsigned *, store in def_map 1 + offset into *insn_list vector
2474         instead of pointers into the vector.
2475         (find_removable_extensions): Adjust caller.
2476
2477 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2478
2479         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2480         Transform all "* quoted-c-code" to { c-code }.
2481         Remove redundant test for "optimize" in combine patterns.
2482         Move (include "avr-dimode.md") to end of file.
2483
2484 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2485
2486         PR target/51835
2487         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2488         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2489
2490 2012-01-30  Richard Guenther  <rguenther@suse.de>
2491
2492         PR tree-optimization/52028
2493         * tree-loop-distribution.c (ldist_gen): Properly update
2494         virtual SSA form.
2495
2496 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2497
2498         PR debug/52027
2499         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2500         set_cur_line_info_table if not emitting debug info.
2501
2502         PR tree-optimization/52046
2503         * tree-vect-patterns.c (check_bool_pattern): Give up if
2504         a comparison could throw.
2505
2506         PR debug/52048
2507         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2508
2509 2012-01-30  Richard Guenther  <rguenther@suse.de>
2510
2511         PR tree-optimization/52045
2512         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2513         SSA form if cfgcleanup did anything.
2514
2515 2012-01-30  Richard Guenther  <rguenther@suse.de>
2516
2517         PR tree-optimization/52045
2518         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2519         before computing final todo.
2520
2521 2012-01-30  Richard Guenther  <rguenther@suse.de>
2522
2523         PR tree-optimization/51528
2524         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2525         for PR51528 fix.
2526
2527 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2528
2529         * df-problems.c (df_kill_notes): Check that the use refers
2530         to the note under examination.
2531
2532 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2533
2534         PR target/51920
2535         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2536         parameter and use short-lived pseudos.
2537         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2538         (sparc_expand_vector_init): Const-ify local variables and adjust
2539         calls to above functions.
2540
2541 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2542
2543         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2544
2545 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2546
2547         * doc/invoke.texi: Make usage of "compile time" and
2548         "run time"/"runtime" consistent throughout the file.
2549
2550 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2551
2552         * config/alpha/alpha.c (alpha_option_override): Default to
2553         full IEEE compliance mode for Go language.
2554
2555 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2556
2557         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2558         (LINK_SSP_SPEC): Define.
2559
2560 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2561
2562         PR target/51871
2563         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2564         stubs.
2565
2566 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2567
2568         * doc/invoke.texi: Correct hyphenation of "floating point",
2569         "double precision", and related terminology throughout the file.
2570
2571 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2572
2573         PR target/52006
2574         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2575         arm_general_register_operand predicate for operand 2 instead of
2576         register_operand.
2577
2578 2012-01-27  Ian Lance Taylor  <iant@google.com>
2579
2580         PR go/47656
2581         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2582         * builtins.c (expand_builtin_init_trampoline): Add onstack
2583         parameter.  Change caller.
2584         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2585         * tree.c (build_common_builtin_nodes): Declare
2586         __builtin_init_heap_trampoline.
2587
2588 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2589
2590         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2591         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2592         * config/avr/avr.c: Ditto.
2593         (avr_regnames): Remove because unused.
2594         * config/avr/avr.md (*cpse.ne): New peephole.
2595         (*cpse.eq): New peephole from former cpse peepholes.
2596
2597 2012-01-27  Michael Eager  <eager@eagercon.com>
2598
2599         * config/microblaze.c (microblaze_emit_compare): Correct
2600         test after pcmp instruction.
2601
2602 2012-01-27  Richard Guenther  <rguenther@suse.de>
2603
2604         PR tree-optimization/52020
2605         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2606
2607 2012-01-27  Richard Guenther  <rguenther@suse.de>
2608
2609         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2610         function non-const/pure.
2611
2612 2012-01-27  Richard Guenther  <rguenther@suse.de>
2613
2614         PR tree-optimization/50444
2615         * tree-sra.c (build_ref_for_offset): Properly adjust the
2616         MEM_REF type for unaligned accesses.
2617
2618 2012-01-27  Richard Guenther  <rguenther@suse.de>
2619
2620         PR tree-optimization/50444
2621         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2622         (expand_assignment): Use it.  Properly handle misaligned
2623         bases when expanding stores to component references.
2624         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2625         refactor that case.
2626
2627 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2628
2629         PR middle-end/51389
2630         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2631         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2632         * tree-data-ref.c (find_data_references_in_loop): Make static.
2633         (compute_all_dependences): Change return type to bool.  Bail out
2634         for too many datarefs in a loop.  Move the hunk resetting the data
2635         dependences vector from ...
2636         (compute_data_dependences_for_loop): ... here.  Account for
2637         compute_all_dependences returning false.
2638         (compute_data_dependences_for_bb): Likewise.
2639         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2640         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2641
2642 2012-01-27  Richard Guenther  <rguenther@suse.de>
2643
2644         PR middle-end/51959
2645         * expr.c (store_field): Use the alias-set of the scratch memory
2646         for storing to it.
2647
2648 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2649
2650         PR tree-optimization/51990
2651         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2652         WITH_SIZE_EXPR.
2653         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2654
2655 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR debug/52001
2658         * var-tracking.c (reverse_op): Don't add any reverse operation
2659         if V already has any constant locations.
2660
2661 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2662
2663         * doc/invoke.texi: Correct usage of "command line" (noun)
2664         vs "command-line" (adjective) throughout.
2665
2666 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2667
2668         * doc/invoke.texi (Language Independent Options): Move
2669         -Wcoverage-mismatch blurb from here....
2670         (Warning Options): ...to here.
2671
2672 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2673
2674         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2675         Set rs6000_always_hint to false for 476.
2676
2677 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2678
2679         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2680           system root.
2681         * incpath.c (add_standard_paths): Likewise.
2682
2683 2012-01-27  Richard Henderson  <rth@redhat.com>
2684
2685         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2686         * config/m68k/sync.md (atomic_test_and_set): Rename from
2687         sync_test_and_setqi and adjust the operands.
2688         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2689         and unconditionally enable.
2690
2691 2012-01-27  Richard Henderson  <rth@redhat.com>
2692
2693         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2694         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2695         (ldstub): Rename from ldstubqi.
2696         (ldstub<I24MODE>): Remove.
2697
2698 2012-01-27  Richard Henderson  <rth@redhat.com>
2699
2700         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2701         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2702         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2703         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2704         * doc/tm.texi: Rebuild.
2705
2706 2012-01-27  Richard Henderson  <rth@redhat.com>
2707
2708         * optabs.c (gen_atomic_test_and_set): Remove default.
2709         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2710
2711 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2712
2713         PR rtl-optimization/51978
2714         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2715         (combine_reaching_defs): Likewise.
2716         (struct re_info): Remove.
2717         (add_removable_extension): Remove x and data arguments,
2718         add insn, insn_list and def_map.  Use the arguments directly
2719         instead of using struct re_info.
2720         (find_removable_extensions): Don't call add_removable_extension
2721         through note_stores, instead just call it with single_set
2722         result if non-NULL.
2723         (find_and_remove_re): Pass curr_cand->expr instead of
2724         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2725
2726 2012-01-26  Michael Matz  <matz@suse.de>
2727
2728         PR tree-optimization/46590
2729         * cfgexpand.c: Revert last change (r183305).
2730         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2731         regs.
2732         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2733         checking for emptiness.
2734
2735 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2736
2737         PR middle-end/51895
2738         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2739         non-addressable non-BLKmode base correctly.
2740
2741 2012-01-26  Michael Matz  <matz@suse.de>
2742
2743         PR tree-optimization/48794
2744         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2745         regions referenced from RESX/EH_DISPATCH.
2746
2747 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2748
2749         * config/s390/s390.h: Make BRANCH_COST an option.
2750         * config/s390/s390.opt: New option -mbranch-cost.
2751
2752 2012-01-26  Richard Henderson  <rth@redhat.com>
2753
2754         Revert 2012-01-24 change:
2755         * trans-mem.c (requires_barrier): Do not instrument thread local
2756         variables and emit save/restore for them.
2757
2758 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2759
2760         PR middle-end/51986
2761         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2762         for pat == 0.
2763
2764 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2765
2766         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2767         ASM_OPERANDS.
2768
2769 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2770
2771         PR target/49868
2772         Rename __pgm to __flash.
2773         Rename __pgm1 to __flash1.
2774         Rename __pgm2 to __flash2.
2775         Rename __pgm3 to __flash3.
2776         Rename __pgm4 to __flash4.
2777         Rename __pgm5 to __flash5.
2778         Rename __pgmx to __memx.
2779         * doc/extend.texi (AVR Named Address Spaces)
2780         Rename address space names as indicated above.
2781         * config/avr/avr.c (avr_addrspace): Ditto.
2782
2783         * config/avr/avr-protos.h
2784         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2785         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2786         * config/avr/predicates.md: Ditto.
2787         * config/avr/avr.c Ditto, and
2788         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2789         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2790
2791         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2792         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2793         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2794         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2795         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2796         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2797         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2798         * config/avr/avr.c: Ditto.
2799         * config/avr/avr.md: Ditto.
2800
2801 2012-01-25  Jason Merrill  <jason@redhat.com>
2802
2803         PR c++/51992
2804         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2805
2806 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2807
2808         PR tree-optimization/51987
2809         * tree-data-ref.c (get_references_in_stmt): Handle references in
2810         non-volatile GIMPLE_ASM.
2811
2812 2012-01-25  Richard Guenther  <rguenther@suse.de>
2813
2814         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2815         bases are dereferenced.
2816
2817 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2818
2819         PR rtl-optimization/48374
2820         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2821
2822 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2823
2824         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2825         compute_data_dependences_for_loop returns false.
2826         * tree-parloops.c (loop_parallel_p): Likewise.
2827
2828 2012-01-25  Richard Guenther  <rguenther@suse.de>
2829
2830         * tree.h (get_pointer_alignment_1): Declare.
2831         * builtins.c (get_pointer_alignment_1): New function.
2832         (get_pointer_alignment): Use it.
2833
2834 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2835
2836         PR rtl-optimization/48308
2837         * combine.c (enum undo_kind): Add UNDO_LINKS.
2838         (struct undo): Add member l to other_contents and where.
2839         (do_SUBST_LINK): New.
2840         (SUBST_LINK): New.
2841         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2842         (undo_all): Handle UNDO_LINKS.
2843
2844 2012-01-25  Richard Henderson  <rth@redhat.com>
2845
2846         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2847         mem inputs.
2848
2849 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2850
2851         * optabs.c (gen_atomic_test_and_set): Use each argument.
2852
2853 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2854
2855         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2856         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2857         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2858         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2859         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2860         TARGET_PAIRED_SINGLE_FLOAT.
2861
2862 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2863
2864         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2865         (in_struct, return_val): Remove MEM documentation.
2866         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2867         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2868         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2869         and MEM_SCALAR.
2870         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2871         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2872         * expr.c (store_field): Likewise.
2873         * function.c (assign_stack_temp_for_type): Likewise.
2874         * ifcvt.c (noce_try_cmove_arith): Likewise.
2875         * reload1.c (reload): Likewise.
2876         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2877         (alpha_set_memflags): Likewise.
2878         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2879
2880 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2881
2882         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2883         parameter.
2884         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2885         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2886         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2887         varies parameter.
2888         * cselib.c (cselib_rtx_varies_p): Delete.
2889         (cselib_invalidate_mem): Update call to canon_true_dependence.
2890         * dse.c (record_store, check_mem_read_rtx): Likewise.
2891         (scan_reads_nospill): Likewise.
2892         * cse.c (check_dependence): Likewise.
2893         (cse_rtx_varies_p): Delete.
2894         * expr.c (safe_from_p): Update call to true_dependence.
2895         * ira.c (validate_equiv_mem_from_store): Likewise.
2896         (memref_referenced_p): Likewise.
2897         * postreload-gcse.c (find_mem_conflicts): Likewise.
2898         * sched-deps.c (sched_analyze_2): Likewise.
2899         * store-motion.c (load_kills_store): Likewise.
2900         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2901         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2902         (compute_transp): Update call to canon_true_dependence.
2903
2904 2012-01-25  Richard Henderson  <rth@redhat.com>
2905
2906         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2907         (maybe_emit_atomic_test_and_set): New.
2908         (expand_sync_lock_test_and_set): Use it.
2909         (expand_atomic_test_and_set): Likewise.
2910         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2911         the implementation; clarify implementation defined details.
2912         * doc/md.texi (atomic_test_and_set): Document.
2913
2914 2012-01-25  Richard Henderson  <rth@redhat.com>
2915
2916         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2917
2918 2012-01-25  Richard Henderson  <rth@redhat.com>
2919
2920         PR target/51968
2921         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2922         to effect no-op split.
2923
2924 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2925
2926         PR lto/51698
2927         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2928         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2929         (BT_FN_VOID_PTR_INT_SIZE): New.
2930         (BT_FN_UINT_UINT_VAR): Remove.
2931         (BT_FN_UINT32_UINT32_VAR): New.
2932         (BT_FN_DOUBLE_VPTR): Remove.
2933         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2934
2935         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2936         (_ITM_changeTransactionMode): Same.
2937         (_ITM_memmoveRtWt): Change return type to void.
2938         (_ITM_memcpyRtWt): Same.
2939         (_ITM_memsetW): Same.
2940         (_ITM_RaRD): Change types to double.
2941         (_ITM_RD): Same.
2942         (_ITM_RaWD): Same.
2943         (_ITM_RfWD): Same.
2944
2945         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2946
2947 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2948             Patrick Marlier  <patrick.marlier@gmail.com>
2949
2950         * trans-mem.c (requires_barrier): Do not instrument thread local
2951         variables and emit save/restore for them.
2952
2953 2012-01-24  Jason Merrill  <jason@redhat.com>
2954
2955         PR c++/51812
2956         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2957         output static aliases.
2958
2959 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2960
2961         PR driver/47249
2962         * common.opt (-pie, -shared, pie, shared): Change from Common to
2963         Driver.
2964         * gcc.c (display_help): Display help for -pie and -shared.
2965
2966 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2967
2968         PR target/49868
2969         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2970         Remove note on size/offset limitation.
2971         (AVR Variable Attributes): Add example how to read data located
2972         with progmem.  Refer to named address spaces.
2973         * doc/invoke.texi (AVR Options): Fix typo.
2974
2975 2012-01-24  Richard Guenther  <rguenther@suse.de>
2976
2977         Forward-port to trunk
2978         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2979
2980         PR middle-end/45678
2981         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2982         op0 isn't sufficiently aligned and there is movmisalignM
2983         insn for mode, use it to load op0 into a temporary register.
2984
2985 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2986
2987         PR target/51957
2988         * target.def (const_not_ok_for_debug_p): New hook.
2989         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2990         documentation.
2991         * doc/tm.texi: Regenerated.
2992         * dwarf2out.c (const_ok_for_output_1): If
2993         targetm.const_not_ok_for_debug_p returns true, fail.
2994         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2995         function.
2996         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2997
2998 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2999
3000         PR target/51900
3001         * config/i386/predicates.md (symbolic_operand): Allow
3002         UNSPEC_PCREL as PIC expression for lea.
3003         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3004         * config/i386/i386.c (ix86_delegitimize_address): Handle
3005         UNSPEC_PCREL for none-MEM, too.
3006
3007 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3008
3009         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3010         (ipa_tm_create_version_alias): Same.
3011
3012 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3013
3014         PR libitm/51830
3015         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3016         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3017
3018 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3019             Patrick Marlier  <patrick.marlier@gmail.com>
3020             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3021
3022         PR lto/51916
3023         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3024         simple_object_start_read.
3025
3026 2012-01-23  Richard Guenther  <rguenther@suse.de>
3027
3028
3029         PR tree-optimization/51895
3030         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3031         parameter decomposition into BLKmode components.
3032
3033 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3034
3035         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3036         fake variables for restrict-qualified pointers whose pointed-to type
3037         contains a placeholder.
3038
3039 2012-01-23  Richard Guenther  <rguenther@suse.de>
3040
3041         PR tree-optimization/51949
3042         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3043
3044 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR rtl-optimization/51933
3047         * ree.c (transform_ifelse): Return true right away if dstreg is
3048         already wider or equal to cand->mode.
3049         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3050         (make_defs_and_copies_lists): Remove defs_list and copies_list
3051         arguments, add state argument, just truncate state->work_list
3052         instead of always allocating and freeing the vector.  Assert that
3053         get_defs succeeds instead of returning 2.  Changed return type to bool.
3054         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3055         have ext_src_mode, see if it has been modified already with the
3056         right kind of extension and has been extended before from the
3057         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3058         just return true.  Remember the original mode in state->modified array.
3059         (combine_reaching_defs): Add state argument.  Don't allocate and
3060         free here def_list, copied_list and vec vectors, instead just
3061         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3062         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3063         Add state variable, clear vectors in it, initialize state.modified
3064         if needed.  Free all the vectors at the end and state.modified too.
3065         Don't skip a candidate if the extension expression has been modified.
3066
3067 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3068
3069         PR target/47096
3070         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3071          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3072         (extra_options) interix.opt -> i386/interix.opt"
3073         (extra_objs):Add winnt-stubs.o
3074         * configure.ac: Add interix to target_os .comm on PE check.
3075         * configure: Regenerate.
3076         * config/interix3.h: Delete and move bits to..
3077         * config/interix.h: Delete and move bits to..
3078         * config/i386/i386-interix3.h: Delete and move bits to..
3079         * config/i386/i386-interix.h: ..here.
3080         (TARGET_CPU_DEFAULT): Remove redefinition.
3081         (TARGET_ASM_CONSTRUCTOR): Undefine.
3082         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3083         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3084         (PTRDIFF_TYPE): Define.
3085         (LONG_DOUBLE_TYPE_SIZE): Define.
3086         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3087         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3088         (TARGET_SECTION_TYPE_FLAGS): Define.
3089         (ASM_DECLARE_FUNCTION_NAME): Define.
3090         (ASM_OUTPUT_EXTERNAL): Define.
3091         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3092         (ASM_OUTPUT_ALIGNED_BSS): Define.
3093         (PCC_BITFIELD_TYPE_MATTERS): Define.
3094         (USE_CONST_SECTION): Define.
3095         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3096         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3097         (SUPPORTS_ONE_ONLY): Remove.
3098         (I386_PE_STRIP_ENCODING): Define.
3099         * config/interix.opt: Delete and move bits to..
3100         * config/i386/interix.opt: ..here. New.
3101         (mpe-aligned-commons): Add.
3102         * config/i386/t-interix: Add copyright header.
3103         (winnt-stubs.o): Add rule.
3104
3105 2012-01-22  Jason Merrill  <jason@redhat.com>
3106
3107         PR c++/51832
3108         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3109         for extra name aliases.
3110
3111 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3112
3113         PR rtl-optimization/51924
3114         * ree.c (combine_set_extension): Improve debugging message.
3115         (combine_reaching_defs): Likewise.
3116         (get_defs): Rename confusingly named variable.
3117         (find_and_remove_re): Skip a candidate if the extension expression has
3118         been modified.
3119
3120 2012-01-21  Robert Millan  <rmh@gnu.org>
3121             Gerald Pfeifer  <gerald@pfeifer.com>
3122
3123         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3124         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3125
3126 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3127
3128         PR tree-optimization/51914
3129         * tree-vect-stmts.c (vectorizable_conversion): For
3130         cvt_type && modifier == WIDEN, put temporary with cvt_type
3131         at the beginning of vec_dsts and set vec_dest to temporary
3132         with vectype_out.
3133
3134 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3135
3136         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3137
3138 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3139
3140         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3141         * config/rs6000/rs6000.c: Likewise.
3142
3143 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3144
3145         PR target/51915
3146         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3147         output_move_double on a copy of operands array.
3148
3149 2012-01-20  Cary Coutant  <ccoutant@google.com>
3150             Dodji Seketeli  <dodji@redhat.com>
3151
3152         PR debug/45682
3153         * dwarf2out.c (copy_declaration_context): Return ref to parent
3154         of declaration DIE, if necessary.
3155         (remove_child_or_replace_with_skeleton): Add new parameter; update
3156         caller.  Place skeleton DIE under parent DIE of original declaration.
3157         Move call to copy_declaration_context to here ...
3158         (break_out_comdat_types): ... from here.
3159
3160 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3161
3162         PR rtl-optimization/51856
3163         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3164         flag to reloaded.
3165
3166 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3167
3168         PR target/51819
3169         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3170         hints for neon loads and stores.
3171
3172 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3173
3174         PR target/49868
3175         PR target/50887
3176         * doc/extend.texi (Named Address Spaces): Split into subsections.
3177         (AVR Named Address Spaces): New subsection.
3178         (M32C Named Address Spaces): New subsection.
3179         (RL78 Named Address Spaces): New subsection.
3180         (SPU Named Address Spaces): New subsection.
3181         (Variable Attributes): New anchor "AVR Variable Attributes".
3182         (AVR Variable Attributes): Rewrite and avoid wording
3183         "address space" in this context.
3184         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3185         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3186         (AVR Built-in Macros): New subsubsection therein.
3187         * doc/md.texi (AVR constraints): Remove "C04", "R".
3188
3189 2012-01-20  Richard Guenther  <rguenther@suse.de>
3190
3191         PR tree-optimization/51903
3192         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3193         when removing stmts.
3194
3195 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3196
3197         PR target/50313
3198         * config/arm/arm.c (arm_load_pic_register): Use
3199         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3200         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3201         (arm_pic_static_addr): Likewise.
3202         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3203         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3204         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3205         (pic_load_addr_unified): New.
3206
3207 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3208
3209         PR target/51106
3210         * function.c (instantiate_virtual_regs_in_insn): Use
3211         delete_insn_and_edges when removing a wrong asm insn.
3212
3213 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3214
3215         PR rtl-optimization/40761
3216         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3217         Add new member loop_num.
3218         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3219         (ira_build): Remove the parameter.
3220
3221         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3222         (ira.c): Do not build CFG loops for one region allocation.  Remove
3223         argument from ira_build call.
3224
3225         * ira-build.c (init_loop_tree_node): New function.
3226         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3227         loops are not built.
3228         (more_one_region_p): Check current_loops.
3229         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3230         built.
3231         (add_loop_to_tree): Process loop equal to NULL too.
3232         (form_loop_tree): Separate the case when CFG loops are not built.
3233         Use explicitly number for the root.
3234         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3235         an assertion.
3236         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3237         instead of loop->num.
3238         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3239         (mark_all_loops_for_removal): Ditto.
3240         (remove_unnecessary_regions): Separate the case when CFG loops
3241         are not built.
3242         (ira_build): Remove the parameter.  Use explicit number of regions
3243         when CFG loops are not built.
3244
3245         * ira-color.c (print_loop_title): Separate the case for the root node.
3246         Use loop_num instead of loop->num.
3247         (move_spill_restore): Use loop_num instead of loop->num.
3248
3249         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3250         (change_loop): Ditto.
3251         (change_loop): Use loop_num instead of loop->num.
3252
3253         * ira-lives.c (process_bb_node_lives): Ditto.
3254
3255         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3256
3257         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3258
3259 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3260
3261         PR libmudflap/40778
3262         * tree-mudflap.c (mf_artificial): New function.
3263         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3264         mx_register_decls, mudflap_enqueue_decl): Use it.
3265
3266         PR target/51876
3267         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3268         numbers in the insn pattern.
3269
3270 2012-01-19  Michael Matz  <matz@suse.de>
3271
3272         PR tree-optimization/46590
3273         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3274         use it in remembering which conflicts we already created.
3275         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3276         bitmap.
3277
3278 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3279
3280         PR lto/51280
3281         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3282         (merge_and_complain): Same.
3283
3284 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3285
3286         PR bootstrap/50237
3287         * config/initfini-array.h: Guard content of the header
3288         with #ifdef HAVE_INITFINI_ARRAY.
3289         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3290         Add initfini-array.h to tm_file here.
3291         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3292         * config.gcc: Don't add initfini-array.h to tm_file here.
3293         * configure: Regenerated.
3294
3295 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3296
3297         PR rtl-optimization/51505
3298         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3299         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3300         (df_note_bb_compute): Update the call to df_kill_notes.
3301
3302 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3303
3304         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3305
3306 2012-01-18  Richard Guenther  <rguenther@suse.de>
3307
3308         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3309         of conversions to void *.
3310
3311 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3312             Richard Sandiford  <rdsandiford@googlemail.com>
3313
3314         PR middle-end/50325
3315         PR middle-end/51192
3316         * optabs.h (simplify_expand_binop): Declare.
3317         * optabs.c (simplify_expand_binop): Make global.
3318         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3319         endian targets if the source cannot be exactly covered by word
3320         mode chunks.
3321
3322 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3323
3324         PR bootstrap/51872
3325         * hard-reg-set.h (struct hard_reg_set_container): New type.
3326         * target.h (struct hard_reg_set_container): Forward declare.
3327         * target.def (set_up_by_prologue): New target hook.
3328         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3329         * doc/tm.texi: Regenerated.
3330         * function.c (thread_prologue_and_epilogue_insns): Change
3331         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3332         Call targetm.set_up_by_prologue on it.
3333         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3334         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3335
3336 2012-01-17  Nick Clifton  <nickc@redhat.com>
3337
3338         * config/rx/rx.c (rx_can_use_simple_return): New function.
3339         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3340         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3341
3342 2012-01-17  Richard Guenther  <rguenther@suse.de>
3343
3344         PR middle-end/51782
3345         * expr.c (expand_assignment): Take address-space information
3346         from the address operand of MEM_REF and TARGET_MEM_REF.
3347         (expand_expr_real_1): Likewise.
3348
3349 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3350
3351         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3352         reload dump is requested.
3353
3354 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3355
3356         PR other/51165
3357         * trans-mem.c (requires_barrier): Call may_be_aliased.
3358
3359 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3360
3361         PR tree-optimization/51877
3362         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3363         call arguments and fndecls compare equal, instead return false if they
3364         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3365         both SSA_NAMEs that are valueized the same, or they satisfy
3366         operand_equal_p.
3367
3368 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3369
3370         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3371         Solaris 11+.
3372         * configure: Regenerate.
3373
3374 2012-01-16  Jan Hubicka  <jh@suse.cz>
3375
3376         PR c/12245
3377         PR c++/14179
3378         * convert.c (convert_to_integer): Use fold_convert for
3379         converting an INTEGER_CST to integer type.
3380
3381 2012-01-16  Jason Merrill  <jason@redhat.com>
3382
3383         PR c++/14179
3384         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3385
3386 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3387
3388         PR bootstrap/51860
3389         * config/s390/s390.c (s390_chunkify_start): Don't skip
3390         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3391         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3392         If insn is followed by NOTE_INSN_VAR_LOCATION or
3393         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3394         Don't use location of note insns.
3395
3396         PR tree-optimization/51865
3397         * tree-inline.c (tree_function_versioning): Call remap_decl
3398         on DECL_RESULT whenever it has VOID_TYPE_P type.
3399
3400 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3401
3402         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3403         for calls to locally-binding MIPS16 functions if only the return
3404         type uses float regs.
3405
3406 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3407             Richard Sandiford  <rdsandiford@googlemail.com>
3408
3409         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3410         (SYMBOL_32_HIGH): Likewise.
3411         (mips_output_tls_reloc_directive): Declare.
3412         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3413         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3414         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3415         (mips_lo_relocs, mips_hi_relocs): Make extern.
3416         (mips16_stub_function): Move up file.
3417         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3418         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3419         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3420         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3421         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3422         (mips_get_tp): Add MIPS16 support.
3423         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3424         Generalize DTPREL and TPREL handling.
3425         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3426         Add MIPS16 TLS support.
3427         (mips_output_tls_reloc_directive): New function.
3428         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3429         * config/mips/predicates.md (symbolic_operand_with_high)
3430         (tls_reloc_operand): New predicates.
3431         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3432         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3433         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3434         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3435         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3436         (*tls_get_tp_mips16_call_<mode>): Likewise.
3437
3438 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3439
3440         PR rtl-optimization/51821
3441         * recog.c (peep2_find_free_register): Determine clobbered registers
3442         from insn pattern.
3443
3444 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3445
3446         PR target/50925
3447         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3448         * config/avr/avr.c: Likewise.
3449         * config/avr/avr.h: Likewise.
3450
3451 2012-01-13  Ian Lance Taylor  <iant@google.com>
3452
3453         PR c++/50012
3454         * tree.h (TYPE_QUALS): Add cast to int.
3455         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3456
3457 2012-01-13  Ian Lance Taylor  <iant@google.com>
3458
3459         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3460         comparing param_index to VEC_length result.
3461
3462 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3463
3464         * c-decl.c: Do not include tree-mudflap.h
3465         * tree-optimize.c: Likewise.
3466         * Makefile.in: Update dependencies.
3467
3468 2012-01-13  Richard Guenther  <rguenther@suse.de>
3469
3470         PR middle-end/8081
3471         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3472         variable-sized result always use RSO.
3473
3474 2012-01-12  DJ Delorie  <dj@redhat.com>
3475
3476         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3477         pointer type, not just the default pointer type.
3478
3479 2012-01-09  Richard Henderson  <rth@redhat.com>
3480             Denis Chertykov  <chertykov@gmail.com>
3481
3482         PR target/50925
3483         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3484         * config/avr/avr.c (avr_can_eliminate): Simplify.
3485         (avr_initial_elimination_offset): Likewise.
3486         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3487         (expand_epilogue): Likewise.
3488         (avr_legitimize_address): Gut.
3489         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3490         (avr_hard_regno_nregs): New.
3491         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3492         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3493         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3494         add soft frame pointer.
3495         (CALL_USED_REGISTERS): Likewise.
3496         (REG_CLASS_CONTENTS): Likewise.
3497         (REGISTER_NAMES): Likewise.
3498         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3499         (HARD_FRAME_POINTER_REGNUM): New.
3500         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3501         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3502         remove the HARD_FRAME_POINTER self-elimination.
3503
3504 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3505
3506         PR target/51756
3507         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3508         DECL_EXTERNAL when checking for initializers of progmem variables.
3509
3510 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3511
3512         PR tree-optimization/51799
3513         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3514         that the last operation is a type demotion.
3515
3516 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3517
3518         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3519         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3520
3521 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3522
3523         PR bootstrap/51796
3524         * combine.c (distribute_notes): If i3 is a noreturn call,
3525         allow old_size to be equal to args_size and make sure the
3526         noreturn call gets REG_ARGS_SIZE note.
3527         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3528         on noreturn calls even when the delta is 0.
3529
3530 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3531
3532         * gcov.c (STRING_SIZE): Remove.
3533         (generate_results): Erase annotations for source files with no
3534         coverage information.
3535         (read_line): New.
3536         (output_lines): Use it.
3537
3538 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3539
3540         * gimple.h (gimplify_body): Remove first argument.
3541         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3542         pointer set here, instead just pass DATA to walk_tree.
3543         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3544         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3545         (unvisit_body): Likewise, but with unmark_visited.
3546         (gimplify_body): Remove BODY_P argument and adjust.
3547         (gimplify_function_tree): Adjust call to gimplify_body.
3548         * omp-low.c (finalize_task_copyfn): Likewise.
3549
3550 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3551
3552         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3553         (build_function_type_skip_args): Delete.
3554         * tree.c (build_function_type_skip_args): Make static and add
3555         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3556         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3557         pass it to build_function_type_skip_args.
3558         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3559         (tree_function_versioning): Likewise.
3560         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3561         build_function_decl_skip_args.
3562         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3563         and pass it to build_function_decl_skip_args/tree_function_versioning.
3564         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3565         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3566         * trans-mem.c (ipa_tm_create_version): Likewise.
3567         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3568         * tree-inline.c (declare_return_variable): Remove always-true test.
3569         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3570         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3571         * ipa-split.c (split_function): Skip the return value for the split
3572         part if it doesn't return.
3573
3574 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3575
3576         PR tree-optimization/49642
3577         * ipa-split.c (forbidden_dominators): New variable.
3578         (check_forbidden_calls): New function.
3579         (dominated_by_forbidden): Likewise.
3580         (consider_split): Check for forbidden dominators.
3581         (execute_split_functions): Initialize and free forbidden
3582         dominators info; call check_forbidden_calls.
3583
3584 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3585
3586         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3587
3588 2012-01-11  Nick Clifton  <nickc@redhat.com>
3589
3590         * config/rx/rx.md (return): Define pattern.
3591
3592 2012-01-11  Richard Guenther  <rguenther@suse.de>
3593
3594         * doc/extend.texi (malloc attribute): Adjust according to
3595         implementation.
3596
3597 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3598             Patrick Marlier  <patrick.marlier@gmail.com>
3599
3600         PR middle-end/51516
3601         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3602         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3603         (ipa_tm_note_irrevocable): Same.
3604         (ipa_tm_scan_irr_block): Same.
3605         (ipa_tm_decrement_clone_counts): Same.
3606         (ipa_tm_scan_irr_function): Same.
3607         (ipa_tm_create_version_alias): Same.
3608         (ipa_tm_create_version): Same.
3609         (ipa_tm_transform_calls_redirect): Same.
3610         (ipa_tm_transform_calls): Same.
3611         (ipa_tm_transform_transaction): Same.
3612         (ipa_tm_execute): Same.
3613
3614 2012-01-10  Richard Guenther  <rguenther@suse.de>
3615
3616         PR middle-end/51806
3617         * opts.c (common_handle_option): Handle -Werror.
3618
3619 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3620
3621         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3622         operand number.
3623
3624 2012-01-10  Jason Merrill  <jason@redhat.com>
3625
3626         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3627         information.
3628
3629 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3630
3631         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3632         supports R_386_TLS_GD_PLT reloc.
3633         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3634         supports R_386_TLS_LDM_PLT reloc.
3635         * configure: Regenerate.
3636         * config.in: Regenerate.
3637
3638 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3639
3640         PR target/49868
3641         Extend __pgmx semantics to linearize memory.
3642         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3643         determine if code comes inline or from libgcc.
3644         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3645         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3646         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3647         (movmemx_qi, movmemx_hi): New insns.
3648         (xload_<mode>_libgcc): Rewrite to new insn condition.
3649         (xload_<mode>): Remove insns.
3650         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3651         cases that don't satisfy avr_xload_libgcc_p().
3652         (avr_addr_space_convert): Allow converting in any direction.
3653         (avr_addr_space_subset_p): Return always true.
3654         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3655         (avr_emit_movmemhi): Ditto.
3656         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3657         (avr_out_movmem): Ditto.
3658         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3659         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3660         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3661         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3662         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3663
3664 2012-01-10  Richard Guenther  <rguenther@suse.de>
3665
3666         PR tree-optimization/50913
3667         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3668         Require data-refs to be representable by Graphite with respect
3669         to any loop nest.
3670
3671 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3672
3673         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3674         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3675
3676 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3677
3678         PR rtl-optimization/51271
3679         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3680         handling annulled branch.
3681
3682 2012-01-10  Richard Henderson  <rth@redhat.com>
3683
3684         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3685         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3686         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3687         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3688         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3689         arm_expand_vec_perm_const): New.
3690         * config/arm/arm-protos.h: Update.
3691         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3692         (*neon_vswp<VDQX>): New.
3693         (neon_vcombine<VDX>): Use neon_split_vcombine.
3694         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3695         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3696         (vec_perm<VE>): New.
3697
3698 2012-01-10  Richard Henderson  <rth@redhat.com>
3699
3700         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3701         use it if reload_completed.
3702         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3703         arm_output_asm_insn, arm_process_output_memory_barrier,
3704         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3705         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3706         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3707         arm_process_output_sync_insn, arm_output_sync_insn,
3708         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3709         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3710         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3711         (emit_unlikely_jump): New.
3712         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3713         (arm_split_atomic_op): New.
3714         * config/arm/arm-protos.h: Update.
3715         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3716         (struct arm_sync_generator): Remove.
3717         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3718         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3719         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3720         (VUNSPEC_LL, VUNSPEC_SC): New.
3721         (sync_result, sync_memory, sync_required_value, sync_new_value,
3722         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3723         (attr length): Don't use arm_sync_loop_insns.
3724         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3725         (movsfcc, movdfcc): Likewise.
3726         * config/arm/constraints.md (Ua): New.
3727         * config/arm/prediates.md (mem_noofs_operand): New.
3728         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3729         (sync_clobber, sync_t2_reqd): Remove.
3730         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3731         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3732         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3733         (arm_sync_compare_and_swap<SIDI>): Remove.
3734         (arm_sync_compare_and_swap<NARROW>): Remove.
3735         (arm_sync_lock_test_and_set<SIDI>): Remove.
3736         (arm_sync_lock_test_and_set<NARROW>): Remove.
3737         (arm_sync_new_<syncop><SIDI>): Remove.
3738         (arm_sync_new_<syncop><NARROW>): Remove.
3739         (arm_sync_new_nand<SIDI>): Remove.
3740         (arm_sync_new_nand<NARROW>): Remove.
3741         (arm_sync_old_<syncop><SIDI>): Remove.
3742         (arm_sync_old_<syncop><NARROW>): Remove.
3743         (arm_sync_old_nand<SIDI>): Remove.
3744         (arm_sync_old_nand<NARROW>): Remove.
3745         (*memory_barrier): Merge arm_output_memory_barrier.
3746         (atomic_compare_and_swap<QHSD>): New.
3747         (atomic_compare_and_swap<NARROW>_1): New.
3748         (atomic_compare_and_swap<SIDI>_1): New.
3749         (atomic_exchange<QHSD>): New.
3750         (cas_cmp_operand, cas_cmp_str): New.
3751         (atomic_op_operand, atomic_op_str): New.
3752         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3753         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3754         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3755         (arm_load_exclusive<NARROW>): New.
3756         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3757         (arm_store_exclusive<QHSD>): New.
3758
3759 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3760
3761         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3762         reload patterns if -mvsx-scalar-memory.
3763
3764         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3765         generated, even -mno-vsx-scalar-double was used.
3766         (vsx_xscvdpsp_scalar): Likewise.
3767         (vsx_xscvspdp_scalar2): Likewise.
3768
3769 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3770             Andrew Pinski  <apinski@cavium.com>
3771
3772         PR debug/51471
3773         * reorg.c (fill_slots_from_thread): Don't speculate
3774         frame-related insns.
3775
3776 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3777
3778         * sched-int.h (bb_note): Move to...
3779         * basic-block.h: ...here.
3780         * haifa-sched.c (bb_note): Move to...
3781         * cfgrtl.c: ...here.
3782         * function.c (next_block_for_reg): New function.
3783         (move_insn_for_shrink_wrap): Likewise.
3784         (prepare_shrink_wrap): Rewrite to use the above.
3785
3786 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3787
3788         * gimple.c (is_gimple_non_addressable): Remove.
3789         * gimple.h: Remove is_gimple_non_addressable.
3790         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3791         is_gimple_non_addressable.
3792         * trans-mem.c (expand_assign_tm): Same.
3793
3794 2012-01-09  Richard Guenther  <rguenther@suse.de>
3795
3796         PR tree-optimization/51775
3797         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3798         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3799
3800 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3801
3802         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3803         tuning parameters.
3804         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3805
3806 2012-01-09  Richard Guenther  <rguenther@suse.de>
3807
3808         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3809
3810 2012-01-08  Jan Hubicka  <jh@suse.cz>
3811
3812         PR tree-optimize/51680
3813         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3814         on when known_vals needs to be computed; cleanup.
3815
3816 2012-01-08  Jan Hubicka  <jh@suse.cz>
3817
3818         PR tree-optimize/51694
3819         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3820
3821 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3822
3823         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3824         for -std=c++98 and -std=c++11 too.
3825
3826 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3827
3828         * cfgloop.c (cancel_loop): Add free() of bbs array.
3829
3830 2012-01-07  Jan Hubicka  <jh@suse.cz>
3831
3832         PR tree-optimization/51600
3833         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3834         that benefits small functions.
3835
3836 2012-01-07  Jan Hubicka  <jh@suse.cz>
3837
3838         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3839
3840 2012-01-07  Jan Hubicka  <jh@suse.cz>
3841
3842         PR tree-optimization/51680
3843         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3844         whose inlining reduce unit size.
3845
3846 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3847
3848         PR bootstrap/51725
3849         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3850         Add canonical node to containing_mem chain after the non-canonical
3851         one, even if there weren't any locs to propagate.
3852         (remove_useless_values): Keep only canonical values.
3853         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3854         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3855         canonicalize mem_chain elements that are not discarded.
3856
3857 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3858
3859         PR target/47333
3860         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3861         before emitting functions.
3862
3863         PR gcov-profile/50127
3864         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3865         clear_aux_for_blocks.
3866
3867 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3868
3869         PR debug/51746
3870         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3871
3872 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3873
3874         * c-decl.c (ext_block): Moved up.
3875         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3876
3877 2012-01-06  Han Shen  <shenhan@google.com>
3878
3879         Translate built-in include paths for sysroot.
3880         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3881         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3882
3883         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3884         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3885
3886         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3887         control whether sysroot should be prepended to gxx include dir.
3888
3889         * configure: Regenerate.
3890
3891 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3892
3893         PR rtl-optimization/51771
3894         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3895         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3896
3897 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3898
3899         PR tree-optimization/51315
3900         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3901         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3902
3903 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3904
3905         PR target/51681
3906         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3907         for shrp pattern.  Correctly handle and fixup shift variable.
3908         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3909
3910 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3911
3912         PR debug/51762
3913         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3914         note when !ACCUMULATE_OUTGOING_ARGS.
3915
3916 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3917
3918         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3919         condition.
3920         (extract_range_from_unary_expr_1): Avoid useless computations.
3921
3922 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3923
3924         PR rtl-optimization/51767
3925         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3926         of jump_block and add an extra edge for degenerated asm gotos.
3927
3928         PR middle-end/51768
3929         * stmt.c (check_unique_operand_names): Don't ICE during error
3930         reporting if i is from labels chain.
3931
3932         PR middle-end/44777
3933         * profile.c (branch_prob): Split bbs that have exit edge
3934         and need a fake entry edge too.
3935
3936 2012-01-05  Jan Hubicka  <jh@suse.cz>
3937
3938         PR middle-end/49710
3939         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3940         unlooping loops.
3941
3942 2012-01-05  Richard Guenther  <rguenther@suse.de>
3943
3944         PR lto/50490
3945         * tree-streamer-out.c (write_ts_optimization): New function.
3946         (streamer_write_tree_body): Call it.
3947         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3948         (streamer_read_tree_body): Call it.
3949         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3950
3951 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR middle-end/51761
3954         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3955         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3956         in_cleanup_point_expr before gimplify_stmt call and restore it
3957         afterwards.
3958         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3959         in_cleanup_point_expr is false.
3960
3961 2012-01-05  Richard Guenther  <rguenther@suse.de>
3962
3963         PR middle-end/51764
3964         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3965         to c.opt.
3966         * toplev.c (process_options): Reject combining mudflap and LTO.
3967         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3968
3969 2012-01-05  Richard Guenther  <rguenther@suse.de>
3970
3971         PR tree-optimization/51760
3972         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3973         not VARYING.
3974         (bit_value_unop): Handle UNDEFINED operands.
3975         (bit_value_binop): Likewise.
3976
3977 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3978
3979         * config/avr/avr.c (avr_replace_prefix): Remove.
3980         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3981         (avr_asm_function_rodata_section): Ditto.
3982         (avr_asm_select_section): Ditto.
3983
3984 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3985
3986         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3987         insertion.
3988
3989 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3990
3991         PR bootstrap/51648
3992         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3993         calls that have any non-fake successor edges.
3994
3995         PR debug/51746
3996         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3997
3998 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3999
4000         PR tree-optimization/51624
4001         * tree-sra.c (build_ref_for_model): When replicating a chain of
4002         COMPONENT_REFs, stop as soon as the offset would become negative.
4003
4004 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4005
4006         PR debug/51695
4007         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4008         in .debug_loc on the floor.
4009
4010 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4011
4012         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4013
4014 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4015             Adam Nemet  <anemet@caviumnetworks.com>
4016
4017         * config/mips/mips.md (size): Add SI and DI.
4018         (SIZE): New mode attribute.
4019         (U): New code attribute.
4020         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4021         (mips_lbux_<mode>): Delete.
4022         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4023         (mips_lhx): Use gen_mips_lhx_extsi.
4024         (mips_lhx_<mode>): Delete.
4025         (mips_lwx): Delete.
4026         (mips_l<size>x): New expand.
4027         (mips_lwx_<mode>): Delete.
4028         (mips_l<GPR:size>x_<P:mode>): New pattern.
4029         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4030         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4031         * config/mips/mips.c (mips_lx_address_p): New function.
4032         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4033         (dsp64): New availability predicate.
4034         (mips_builtins): Add an entry for __builtin_mips_ldx.
4035         * config/mips/mips.h (ISA_HAS_LBX): New define.
4036         (ISA_HAS_LBUX): Likewise.
4037         (ISA_HAS_LHX): Likewise.
4038         (ISA_HAS_LHUX): Likewise.
4039         (ISA_HAS_LWX): Likewise.
4040         (ISA_HAS_LWUX): Likewise.
4041         (ISA_HAS_LDX): Likewise.
4042         * doc/extend.texi (__builtin_mips_ldx): Document.
4043
4044 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4045
4046         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4047         when long pointers are used.
4048         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4049         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4050         (ia64-hp-*vms*): Remove.
4051         * config/vms/xm-vms64.h: Delete.
4052
4053 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4054
4055         PR middle-end/51472
4056         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4057
4058 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4059
4060         * opts.c (finish_options): Remove duplicate sorry.
4061
4062 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4063
4064         PR middle-end/51696
4065         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4066         correctly.
4067
4068 2012-01-04  Richard Guenther  <rguenther@suse.de>
4069
4070         PR middle-end/51750
4071         * tree.c (size_low_cst): New function.
4072         * tree.h (size_low_cst): Declare.
4073         * fold-const.c (fold_comparison): Use it to extract the low
4074         part of the POINTER_PLUS_EXPR offset.
4075
4076 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4077
4078         Fix clearing ZERO_REG
4079         * config/avr/avr.md (cc): Add alternative "ldi".
4080         (movqi_insn): Use it in cc attribute.
4081         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4082         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4083         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4084
4085 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4086
4087         * configure: Regenerate.
4088
4089 2012-01-04  Richard Guenther  <rguenther@suse.de>
4090
4091         PR tree-optimization/49651
4092         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4093         (var_can_have_subvars): Use it.
4094         (get_constraint_for_1): Only consider subfields if there can be any.
4095
4096 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4097
4098         PR bootstrap/51725
4099         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4100         to its new canonical_cselib_val and the cselib_val was in
4101         first_containing_mem chain, but the canonical_cselib_val was not,
4102         add the latter into the chain.
4103         (cselib_invalidate_mem): Compare canonical_cselib_val of
4104         addr_list chain elt with v.
4105
4106         PR pch/51722
4107         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4108         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4109         of xstrdup.
4110         (output_macinfo_op): Don't ggc_strdup fd->filename.
4111         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4112         then ggc_strdup it.  Don't free inc->info or cur->info.
4113         (output_macinfo): Don't free ref->info or file->info.
4114
4115 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4116
4117         PR tree-optimization/51269
4118         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4119         first_niters a pointer.
4120         (slpeel_tree_peel_loop_to_edge): Likewise.
4121         (vect_do_peeling_for_loop_bound): Update call to
4122         slpeel_tree_peel_loop_to_edge.
4123         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4124         here.  Remove it from the parameters list.
4125         (vect_do_peeling_for_alignment): Update calls and compute
4126         wide_prolog_niters.
4127