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