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