OSDN Git Service

9414b24b0578cf85795ab29389665d776fab9eb2
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-01-30  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/52045
4         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
5         before computing final todo.
6
7 2012-01-30  Richard Guenther  <rguenther@suse.de>
8
9         PR tree-optimization/51528
10         * tree-sra.c (sra_modify_assign): Re-factor in preparation
11         for PR51528 fix.
12
13 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
14
15         * df-problems.c (df_kill_notes): Check that the use refers
16         to the note under examination.
17
18 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
19
20         PR target/51920
21         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
22         parameter and use short-lived pseudos.
23         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
24         (sparc_expand_vector_init): Const-ify local variables and adjust
25         calls to above functions.
26
27 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
28
29         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
30
31 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
32
33         * doc/invoke.texi: Make usage of "compile time" and
34         "run time"/"runtime" consistent throughout the file.
35
36 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
37
38         * config/alpha/alpha.c (alpha_option_overrride): Default to
39         full IEEE compliance mode for Go language.
40
41 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
42
43         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
44         (LINK_SSP_SPEC): Define.
45
46 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
47
48         PR target/51871
49         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
50         stubs.
51
52 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
53
54         * doc/invoke.texi: Correct hyphenation of "floating point",
55         "double precision", and related terminology throughout the file.
56
57 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
58
59         PR target/52006
60         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
61         arm_general_register_operand predicate for operand 2 instead of
62         register_operand.
63
64 2012-01-27  Ian Lance Taylor  <iant@google.com>
65
66         PR go/47656
67         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
68         * builtins.c (expand_builtin_init_trampoline): Add onstack
69         parameter.  Change caller.
70         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
71         * tree.c (build_common_builtin_nodes): Declare
72         __builtin_init_heap_trampoline.
73
74 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
75
76         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
77         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
78         * config/avr/avr.c: Ditto.
79         (avr_regnames): Remove because unused.
80         * config/avr/avr.md (*cpse.ne): New peephole.
81         (*cpse.eq): New peephole from former cpse peepholes.
82
83 2012-01-27  Michael Eager  <eager@eagercon.com>
84
85         * config/microblaze.c (microblaze_emit_compare): Correct
86         test after pcmp instruction.
87
88 2012-01-27  Richard Guenther  <rguenther@suse.de>
89
90         PR tree-optimization/52020
91         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
92
93 2012-01-27  Richard Guenther  <rguenther@suse.de>
94
95         * ipa-pure-const.c (check_stmt): Clobbers do not make a
96         function non-const/pure.
97
98 2012-01-27  Richard Guenther  <rguenther@suse.de>
99
100         PR tree-optimization/50444
101         * tree-sra.c (build_ref_for_offset): Properly adjust the
102         MEM_REF type for unaligned accesses.
103
104 2012-01-27  Richard Guenther  <rguenther@suse.de>
105
106         PR tree-optimization/50444
107         * expr.c (mem_ref_refers_to_non_mem_p): New function.
108         (expand_assignment): Use it.  Properly handle misaligned
109         bases when expanding stores to component references.
110         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
111         refactor that case.
112
113 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
114
115         PR middle-end/51389
116         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
117         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
118         * tree-data-ref.c (find_data_references_in_loop): Make static.
119         (compute_all_dependences): Change return type to bool.  Bail out
120         for too many datarefs in a loop.  Move the hunk resetting the data
121         dependences vector from ...
122         (compute_data_dependences_for_loop): ... here.  Account for
123         compute_all_dependences returning false.
124         (compute_data_dependences_for_bb): Likewise.
125         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
126         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
127
128 2012-01-27  Richard Guenther  <rguenther@suse.de>
129
130         PR middle-end/51959
131         * expr.c (store_field): Use the alias-set of the scratch memory
132         for storing to it.
133
134 2012-01-27  Tom de Vries  <tom@codesourcery.com>
135
136         PR tree-optimization/51990
137         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
138         WITH_SIZE_EXPR.
139         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
140
141 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
142
143         PR debug/52001
144         * var-tracking.c (reverse_op): Don't add any reverse operation
145         if V already has any constant locations.
146
147 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
148
149         * doc/invoke.texi: Correct usage of "command line" (noun)
150         vs "command-line" (adjective) throughout.
151
152 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
153
154         * doc/invoke.texi (Language Independent Options): Move
155         -Wcoverage-mismatch blurb from here....
156         (Warning Options): ...to here.
157
158 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
159
160         * config/rs6000/rs6000.c (rs6000_option_override_internal):
161         Set rs6000_always_hint to false for 476.
162
163 2012-01-27  Matthias Klose  <doko@ubuntu.com>
164
165         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
166           system root.
167         * incpath.c (add_standard_paths): Likewise.
168
169 2012-01-27  Richard Henderson  <rth@redhat.com>
170
171         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
172         * config/m68k/sync.md (atomic_test_and_set): Rename from
173         sync_test_and_setqi and adjust the operands.
174         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
175         and unconditionally enable.
176
177 2012-01-27  Richard Henderson  <rth@redhat.com>
178
179         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
180         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
181         (ldstub): Rename from ldstubqi.
182         (ldstub<I24MODE>): Remove.
183
184 2012-01-27  Richard Henderson  <rth@redhat.com>
185
186         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
187         * c-cppbuiltin.c (cpp_atomic_builtins): Define
188         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
189         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
190         * doc/tm.texi: Rebuild.
191
192 2012-01-27  Richard Henderson  <rth@redhat.com>
193
194         * optabs.c (gen_atomic_test_and_set): Remove default.
195         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
196
197 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
198
199         PR rtl-optimization/51978
200         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
201         (combine_reaching_defs): Likewise.
202         (struct re_info): Remove.
203         (add_removable_extension): Remove x and data arguments,
204         add insn, insn_list and def_map.  Use the arguments directly
205         instead of using struct re_info.
206         (find_removable_extensions): Don't call add_removable_extension
207         through note_stores, instead just call it with single_set
208         result if non-NULL.
209         (find_and_remove_re): Pass curr_cand->expr instead of
210         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
211
212 2012-01-26  Michael Matz  <matz@suse.de>
213
214         PR tree-optimization/46590
215         * cfgexpand.c: Revert last change (r183305).
216         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
217         regs.
218         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
219         checking for emptiness.
220
221 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
222
223         PR middle-end/51895
224         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
225         non-addressable non-BLKmode base correctly.
226
227 2012-01-26  Michael Matz  <matz@suse.de>
228
229         PR tree-optimization/48794
230         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
231         regions referenced from RESX/EH_DISPATCH.
232
233 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
234
235         * config/s390/s390.h: Make BRANCH_COST an option.
236         * config/s390/s390.opt: New option -mbranch-cost.
237
238 2012-01-26  Richard Henderson  <rth@redhat.com>
239
240         Revert 2012-01-24 change:
241         * trans-mem.c (requires_barrier): Do not instrument thread local
242         variables and emit save/restore for them.
243
244 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
245
246         PR middle-end/51986
247         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
248         for pat == 0.
249
250 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
251
252         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
253         ASM_OPERANDS.
254
255 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
256
257         PR target/49868
258         Rename __pgm to __flash.
259         Rename __pgm1 to __flash1.
260         Rename __pgm2 to __flash2.
261         Rename __pgm3 to __flash3.
262         Rename __pgm4 to __flash4.
263         Rename __pgm5 to __flash5.
264         Rename __pgmx to __memx.
265         * doc/extend.texi (AVR Named Address Spaces)
266         Rename address space names as indicated above.
267         * config/avr/avr.c (avr_addrspace): Ditto.
268
269         * config/avr/avr-protos.h
270         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
271         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
272         * config/avr/predicates.md: Ditto.
273         * config/avr/avr.c Ditto, and
274         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
275         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
276
277         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
278         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
279         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
280         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
281         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
282         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
283         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
284         * config/avr/avr.c: Ditto.
285         * config/avr/avr.md: Ditto.
286
287 2012-01-25  Jason Merrill  <jason@redhat.com>
288
289         PR c++/51992
290         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
291
292 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
293
294         PR tree-optimization/51987
295         * tree-data-ref.c (get_references_in_stmt): Handle references in
296         non-volatile GIMPLE_ASM.
297
298 2012-01-25  Richard Guenther  <rguenther@suse.de>
299
300         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
301         bases are dereferenced.
302
303 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
304
305         PR rtl-optimization/48374
306         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
307
308 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
309
310         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
311         compute_data_dependences_for_loop returns false.
312         * tree-parloops.c (loop_parallel_p): Likewise.
313
314 2012-01-25  Richard Guenther  <rguenther@suse.de>
315
316         * tree.h (get_pointer_alignment_1): Declare.
317         * builtins.c (get_pointer_alignment_1): New function.
318         (get_pointer_alignment): Use it.
319
320 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
321
322         PR rtl-optimization/48308
323         * combine.c (enum undo_kind): Add UNDO_LINKS.
324         (struct undo): Add member l to other_contents and where.
325         (do_SUBST_LINK): New.
326         (SUBST_LINK): New.
327         (try_combine): Handle LOG_LINKS for the dummy i1 case.
328         (undo_all): Handle UNDO_LINKS.
329
330 2012-01-25  Richard Henderson  <rth@redhat.com>
331
332         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
333         mem inputs.
334
335 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
336
337         * optabs.c (gen_atomic_test_and_set): Use each argument.
338
339 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
340
341         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
342         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
343         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
344         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
345         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
346         TARGET_PAIRED_SINGLE_FLOAT.
347
348 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
349
350         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
351         (in_struct, return_val): Remove MEM documentation.
352         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
353         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
354         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
355         and MEM_SCALAR.
356         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
357         * cfgexpand.c (add_alias_set_conflicts): Likewise.
358         * expr.c (store_field): Likewise.
359         * function.c (assign_stack_temp_for_type): Likewise.
360         * ifcvt.c (noce_try_cmove_arith): Likewise.
361         * reload1.c (reload): Likewise.
362         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
363         (alpha_set_memflags): Likewise.
364         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
365
366 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
367
368         * rtl.h (true_dependence, canon_true_dependence): Remove varies
369         parameter.
370         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
371         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
372         (true_dependence_1, true_dependence, canon_true_dependence): Remove
373         varies parameter.
374         * cselib.c (cselib_rtx_varies_p): Delete.
375         (cselib_invalidate_mem): Update call to canon_true_dependence.
376         * dse.c (record_store, check_mem_read_rtx): Likewise.
377         (scan_reads_nospill): Likewise.
378         * cse.c (check_dependence): Likewise.
379         (cse_rtx_varies_p): Delete.
380         * expr.c (safe_from_p): Update call to true_dependence.
381         * ira.c (validate_equiv_mem_from_store): Likewise.
382         (memref_referenced_p): Likewise.
383         * postreload-gcse.c (find_mem_conflicts): Likewise.
384         * sched-deps.c (sched_analyze_2): Likewise.
385         * store-motion.c (load_kills_store): Likewise.
386         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
387         * gcse.c (mems_conflict_for_gcse_p): Likewise.
388         (compute_transp): Update call to canon_true_dependence.
389
390 2012-01-25  Richard Henderson  <rth@redhat.com>
391
392         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
393         (maybe_emit_atomic_test_and_set): New.
394         (expand_sync_lock_test_and_set): Use it.
395         (expand_atomic_test_and_set): Likewise.
396         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
397         the implementation; clarify implementation defined details.
398         * doc/md.texi (atomic_test_and_set): Document.
399
400 2012-01-25  Richard Henderson  <rth@redhat.com>
401
402         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
403
404 2012-01-25  Richard Henderson  <rth@redhat.com>
405
406         PR target/51968
407         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
408         to effect no-op split.
409
410 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
411
412         PR lto/51698
413         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
414         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
415         (BT_FN_VOID_PTR_INT_SIZE): New.
416         (BT_FN_UINT_UINT_VAR): Remove.
417         (BT_FN_UINT32_UINT32_VAR): New.
418         (BT_FN_DOUBLE_VPTR): Remove.
419         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
420
421         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
422         (_ITM_changeTransactionMode): Same.
423         (_ITM_memmoveRtWt): Change return type to void.
424         (_ITM_memcpyRtWt): Same.
425         (_ITM_memsetW): Same.
426         (_ITM_RaRD): Change types to double.
427         (_ITM_RD): Same.
428         (_ITM_RaWD): Same.
429         (_ITM_RfWD): Same.
430
431         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
432
433 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
434             Patrick Marlier  <patrick.marlier@gmail.com>
435
436         * trans-mem.c (requires_barrier): Do not instrument thread local
437         variables and emit save/restore for them.
438
439 2012-01-24  Jason Merrill  <jason@redhat.com>
440
441         PR c++/51812
442         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
443         output static aliases.
444
445 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
446
447         PR driver/47249
448         * common.opt (-pie, -shared, pie, shared): Change from Common to
449         Driver.
450         * gcc.c (display_help): Display help for -pie and -shared.
451
452 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
453
454         PR target/49868
455         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
456         Remove note on size/offset limitation.
457         (AVR Variable Attributes): Add example how to read data located
458         with progmem.  Refer to named address spaces.
459         * doc/invoke.texi (AVR Options): Fix typo.
460
461 2012-01-24  Richard Guenther  <rguenther@suse.de>
462
463         Forward-port to trunk
464         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
465
466         PR middle-end/45678
467         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
468         op0 isn't sufficiently aligned and there is movmisalignM
469         insn for mode, use it to load op0 into a temporary register.
470
471 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
472
473         PR target/51957
474         * target.def (const_not_ok_for_debug_p): New hook.
475         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
476         documentation.
477         * doc/tm.texi: Regenerated.
478         * dwarf2out.c (const_ok_for_output_1): If
479         targetm.const_not_ok_for_debug_p returns true, fail.
480         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
481         function.
482         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
483
484 2012-01-23  Kai Tietz  <ktietz@redhat.com>
485
486         PR target/51900
487         * config/i386/predicates.md (symbolic_operand): Allow
488         UNSPEC_PCREL as PIC expression for lea.
489         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
490         * config/i386/i386.c (ix86_delegitimize_address): Handle
491         UNSPEC_PCREL for none-MEM, too.
492
493 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
494
495         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
496         (ipa_tm_create_version_alias): Same.
497
498 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
499
500         PR libitm/51830
501         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
502         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
503
504 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
505             Patrick Marlier  <patrick.marlier@gmail.com>
506             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
507
508         PR lto/51916
509         * lto-wrapper.c (run_gcc): Pass the LTO section name to
510         simple_object_start_read.
511
512 2012-01-23  Richard Guenther  <rguenther@suse.de>
513
514
515         PR tree-optimization/51895
516         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
517         parameter decomposition into BLKmode components.
518
519 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
520
521         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
522         fake variables for restrict-qualified pointers whose pointed-to type
523         contains a placeholder.
524
525 2012-01-23  Richard Guenther  <rguenther@suse.de>
526
527         PR tree-optimization/51949
528         * ipa-split.c (execute_split_functions): Do not split malloc functions.
529
530 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
531
532         PR rtl-optimization/51933
533         * ree.c (transform_ifelse): Return true right away if dstreg is
534         already wider or equal to cand->mode.
535         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
536         (make_defs_and_copies_lists): Remove defs_list and copies_list
537         arguments, add state argument, just truncate state->work_list
538         instead of always allocating and freeing the vector.  Assert that
539         get_defs succeeds instead of returning 2.  Changed return type to bool.
540         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
541         have ext_src_mode, see if it has been modified already with the
542         right kind of extension and has been extended before from the
543         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
544         just return true.  Remember the original mode in state->modified array.
545         (combine_reaching_defs): Add state argument.  Don't allocate and
546         free here def_list, copied_list and vec vectors, instead just
547         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
548         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
549         Add state variable, clear vectors in it, initialize state.modified
550         if needed.  Free all the vectors at the end and state.modified too.
551         Don't skip a candidate if the extension expression has been modified.
552
553 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
554
555         PR target/47096
556         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
557          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
558         (extra_options) interix.opt -> i386/interix.opt"
559         (extra_objs):Add winnt-stubs.o
560         * configure.ac: Add interix to target_os .comm on PE check.
561         * configure: Regenerate.
562         * config/interix3.h: Delete and move bits to..
563         * config/interix.h: Delete and move bits to..
564         * config/i386/i386-interix3.h: Delete and move bits to..
565         * config/i386/i386-interix.h: ..here.
566         (TARGET_CPU_DEFAULT): Remove redefinition.
567         (TARGET_ASM_CONSTRUCTOR): Undefine.
568         (SUBTARGET_SWITCHES): Define for ms-bitfields.
569         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
570         (PTRDIFF_TYPE): Define.
571         (LONG_DOUBLE_TYPE_SIZE): Define.
572         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
573         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
574         (TARGET_SECTION_TYPE_FLAGS): Define.
575         (ASM_DECLARE_FUNCTION_NAME): Define.
576         (ASM_OUTPUT_EXTERNAL): Define.
577         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
578         (ASM_OUTPUT_ALIGNED_BSS): Define.
579         (PCC_BITFIELD_TYPE_MATTERS): Define.
580         (USE_CONST_SECTION): Define.
581         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
582         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
583         (SUPPORTS_ONE_ONLY): Remove.
584         (I386_PE_STRIP_ENCODING): Define.
585         * config/interix.opt: Delete and move bits to..
586         * config/i386/interix.opt: ..here. New.
587         (mpe-aligned-commons): Add.
588         * config/i386/t-interix: Add copyright header.
589         (winnt-stubs.o): Add rule.
590
591 2012-01-22  Jason Merrill  <jason@redhat.com>
592
593         PR c++/51832
594         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
595         for extra name aliases.
596
597 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
598
599         PR rtl-optimization/51924
600         * ree.c (combine_set_extension): Improve debugging message.
601         (combine_reaching_defs): Likewise.
602         (get_defs): Rename confusingly named variable.
603         (find_and_remove_re): Skip a candidate if the extension expression has
604         been modified.
605
606 2012-01-21  Robert Millan  <rmh@gnu.org>
607             Gerald Pfeifer  <gerald@pfeifer.com>
608
609         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
610         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
611
612 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
613
614         PR tree-optimization/51914
615         * tree-vect-stmts.c (vectorizable_conversion): For
616         cvt_type && modifier == WIDEN, put temporary with cvt_type
617         at the beginning of vec_dsts and set vec_dest to temporary
618         with vectype_out.
619
620 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
621
622         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
623
624 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
625
626         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
627         * config/rs6000/rs6000.c: Likewise.
628
629 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
630
631         PR target/51915
632         * config/arm/arm.c (arm_count_output_move_double_insns): Call
633         output_move_double on a copy of operands array.
634
635 2012-01-20  Cary Coutant  <ccoutant@google.com>
636             Dodji Seketeli  <dodji@redhat.com>
637
638         PR debug/45682
639         * dwarf2out.c (copy_declaration_context): Return ref to parent
640         of declaration DIE, if necessary.
641         (remove_child_or_replace_with_skeleton): Add new parameter; update
642         caller.  Place skeleton DIE under parent DIE of original declaration.
643         Move call to copy_declaration_context to here ...
644         (break_out_comdat_types): ... from here.
645
646 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
647
648         PR rtl-optimization/51856
649         * reload.c (find_reloads_subreg_address): Set the address_reloaded
650         flag to reloaded.
651
652 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
653
654         PR target/51819
655         * config/arm/arm.c (arm_print_operand): Correct output of alignment
656         hints for neon loads and stores.
657
658 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
659
660         PR target/49868
661         PR target/50887
662         * doc/extend.texi (Named Address Spaces): Split into subsections.
663         (AVR Named Address Spaces): New subsection.
664         (M32C Named Address Spaces): New subsection.
665         (RL78 Named Address Spaces): New subsection.
666         (SPU Named Address Spaces): New subsection.
667         (Variable Attributes): New anchor "AVR Variable Attributes".
668         (AVR Variable Attributes): Rewrite and avoid wording
669         "address space" in this context.
670         * doc/invoke.texi (AVR Options): Rewrite and add documentation
671         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
672         (AVR Built-in Macros): New subsubsection therein.
673         * doc/md.texi (AVR constraints): Remove "C04", "R".
674
675 2012-01-20  Richard Guenther  <rguenther@suse.de>
676
677         PR tree-optimization/51903
678         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
679         when removing stmts.
680
681 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
682
683         PR target/50313
684         * config/arm/arm.c (arm_load_pic_register): Use
685         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
686         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
687         (arm_pic_static_addr): Likewise.
688         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
689         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
690         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
691         (pic_load_addr_unified): New.
692
693 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
694
695         PR target/51106
696         * function.c (instantiate_virtual_regs_in_insn): Use
697         delete_insn_and_edges when removing a wrong asm insn.
698
699 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
700
701         PR rtl-optimization/40761
702         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
703         Add new member loop_num.
704         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
705         (ira_build): Remove the parameter.
706
707         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
708         (ira.c): Do not build CFG loops for one region allocation.  Remove
709         argument from ira_build call.
710
711         * ira-build.c (init_loop_tree_node): New function.
712         (create_loop_tree_nodes): Use it.  Separate the case when CFG
713         loops are not built.
714         (more_one_region_p): Check current_loops.
715         (finish_loop_tree_nodes): Separate the case when CFG loops are not
716         built.
717         (add_loop_to_tree): Process loop equal to NULL too.
718         (form_loop_tree): Separate the case when CFG loops are not built.
719         Use explicitly number for the root.
720         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
721         an assertion.
722         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
723         instead of loop->num.
724         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
725         (mark_all_loops_for_removal): Ditto.
726         (remove_unnecessary_regions): Separate the case when CFG loops
727         are not built.
728         (ira_build): Remove the parameter.  Use explicit number of regions
729         when CFG loops are not built.
730
731         * ira-color.c (print_loop_title): Separate the case for the root node.
732         Use loop_num instead of loop->num.
733         (move_spill_restore): Use loop_num instead of loop->num.
734
735         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
736         (change_loop): Ditto.
737         (change_loop): Use loop_num instead of loop->num.
738
739         * ira-lives.c (process_bb_node_lives): Ditto.
740
741         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
742
743         * ira-conflicts.c (print_allocno_conflicts): Ditto.
744
745 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
746
747         PR libmudflap/40778
748         * tree-mudflap.c (mf_artificial): New function.
749         (execute_mudflap_function_ops, execute_mudflap_function_decls,
750         mx_register_decls, mudflap_enqueue_decl): Use it.
751
752         PR target/51876
753         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
754         numbers in the insn pattern.
755
756 2012-01-19  Michael Matz  <matz@suse.de>
757
758         PR tree-optimization/46590
759         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
760         use it in remembering which conflicts we already created.
761         (add_scope_conflicts): Adjust call to above, (de)allocate helper
762         bitmap.
763
764 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
765
766         PR lto/51280
767         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
768         (merge_and_complain): Same.
769
770 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
771
772         PR bootstrap/50237
773         * config/initfini-array.h: Guard content of the header
774         with #ifdef HAVE_INITFINI_ARRAY.
775         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
776         Add initfini-array.h to tm_file here.
777         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
778         * config.gcc: Don't add initfini-array.h to tm_file here.
779         * configure: Regenerated.
780
781 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
782
783         PR rtl-optimization/51505
784         * df-problems.c (df_kill_notes): New parameter live. Update comment.
785         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
786         (df_note_bb_compute): Update the call to df_kill_notes.
787
788 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
789
790         * trans-mem.c (requires_barrier): Remove call to is_global_var.
791
792 2012-01-18  Richard Guenther  <rguenther@suse.de>
793
794         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
795         of conversions to void *.
796
797 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
798             Richard Sandiford  <rdsandiford@googlemail.com>
799
800         PR middle-end/50325
801         PR middle-end/51192
802         * optabs.h (simplify_expand_binop): Declare.
803         * optabs.c (simplify_expand_binop): Make global.
804         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
805         endian targets if the source cannot be exactly covered by word
806         mode chunks.
807
808 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
809
810         PR bootstrap/51872
811         * hard-reg-set.h (struct hard_reg_set_container): New type.
812         * target.h (struct hard_reg_set_container): Forward declare.
813         * target.def (set_up_by_prologue): New target hook.
814         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
815         * doc/tm.texi: Regenerated.
816         * function.c (thread_prologue_and_epilogue_insns): Change
817         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
818         Call targetm.set_up_by_prologue on it.
819         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
820         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
821
822 2012-01-17  Nick Clifton  <nickc@redhat.com>
823
824         * config/rx/rx.c (rx_can_use_simple_return): New function.
825         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
826         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
827
828 2012-01-17  Richard Guenther  <rguenther@suse.de>
829
830         PR middle-end/51782
831         * expr.c (expand_assignment): Take address-space information
832         from the address operand of MEM_REF and TARGET_MEM_REF.
833         (expand_expr_real_1): Likewise.
834
835 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
836
837         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
838         reload dump is requested.
839
840 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
841
842         PR other/51165
843         * trans-mem.c (requires_barrier): Call may_be_aliased.
844
845 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
846
847         PR tree-optimization/51877
848         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
849         call arguments and fndecls compare equal, instead return false if they
850         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
851         both SSA_NAMEs that are valueized the same, or they satisfy
852         operand_equal_p.
853
854 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
855
856         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
857         Solaris 11+.
858         * configure: Regenerate.
859
860 2012-01-16  Jan Hubicka  <jh@suse.cz>
861
862         PR c/12245
863         PR c++/14179
864         * convert.c (convert_to_integer): Use fold_convert for
865         converting an INTEGER_CST to integer type.
866
867 2012-01-16  Jason Merrill  <jason@redhat.com>
868
869         PR c++/14179
870         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
871
872 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
873
874         PR bootstrap/51860
875         * config/s390/s390.c (s390_chunkify_start): Don't skip
876         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
877         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
878         If insn is followed by NOTE_INSN_VAR_LOCATION or
879         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
880         Don't use location of note insns.
881
882         PR tree-optimization/51865
883         * tree-inline.c (tree_function_versioning): Call remap_decl
884         on DECL_RESULT whenever it has VOID_TYPE_P type.
885
886 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
887
888         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
889         for calls to locally-binding MIPS16 functions if only the return
890         type uses float regs.
891
892 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
893             Richard Sandiford  <rdsandiford@googlemail.com>
894
895         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
896         (SYMBOL_32_HIGH): Likewise.
897         (mips_output_tls_reloc_directive): Declare.
898         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
899         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
900         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
901         (mips_lo_relocs, mips_hi_relocs): Make extern.
902         (mips16_stub_function): Move up file.
903         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
904         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
905         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
906         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
907         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
908         (mips_get_tp): Add MIPS16 support.
909         (mips_legitimize_tls_address): Remove MIPS16 sorry().
910         Generalize DTPREL and TPREL handling.
911         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
912         Add MIPS16 TLS support.
913         (mips_output_tls_reloc_directive): New function.
914         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
915         * config/mips/predicates.md (symbolic_operand_with_high)
916         (tls_reloc_operand): New predicates.
917         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
918         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
919         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
920         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
921         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
922         (*tls_get_tp_mips16_call_<mode>): Likewise.
923
924 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
925
926         PR rtl-optimization/51821
927         * recog.c (peep2_find_free_register): Determine clobbered registers
928         from insn pattern.
929
930 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
931
932         PR target/50925
933         * config/avr/avr-protos.h: Revert change of 2012-01-09.
934         * config/avr/avr.c: Likewise.
935         * config/avr/avr.h: Likewise.
936
937 2012-01-13  Ian Lance Taylor  <iant@google.com>
938
939         PR c++/50012
940         * tree.h (TYPE_QUALS): Add cast to int.
941         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
942
943 2012-01-13  Ian Lance Taylor  <iant@google.com>
944
945         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
946         comparing param_index to VEC_length result.
947
948 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
949
950         * c-decl.c: Do not include tree-mudflap.h
951         * tree-optimize.c: Likewise.
952         * Makefile.in: Update dependencies.
953
954 2012-01-13  Richard Guenther  <rguenther@suse.de>
955
956         PR middle-end/8081
957         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
958         variable-sized result always use RSO.
959
960 2012-01-12  DJ Delorie  <dj@redhat.com>
961
962         * cfgexpand.c (convert_debug_memory_address): Allow any valid
963         pointer type, not just the default pointer type.
964
965 2012-01-09  Richard Henderson  <rth@redhat.com>
966             Denis Chertykov  <chertykov@gmail.com>
967
968         PR target/50925
969         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
970         * config/avr/avr.c (avr_can_eliminate): Simplify.
971         (avr_initial_elimination_offset): Likewise.
972         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
973         (expand_epilogue): Likewise.
974         (avr_legitimize_address): Gut.
975         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
976         (avr_hard_regno_nregs): New.
977         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
978         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
979         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
980         add soft frame pointer.
981         (CALL_USED_REGISTERS): Likewise.
982         (REG_CLASS_CONTENTS): Likewise.
983         (REGISTER_NAMES): Likewise.
984         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
985         (HARD_FRAME_POINTER_REGNUM): New.
986         (FRAME_POINTER_REGNUM): Use soft frame pointer.
987         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
988         remove the HARD_FRAME_POINTER self-elimination.
989
990 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
991
992         PR target/51756
993         * config/avr/avr.c (avr_encode_section_info): Test for absence of
994         DECL_EXTERNAL when checking for initializers of progmem variables.
995
996 2012-01-12  Ira Rosen  <irar@il.ibm.com>
997
998         PR tree-optimization/51799
999         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1000         that the last operation is a type demotion.
1001
1002 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1003
1004         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1005         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1006
1007 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1008
1009         PR bootstrap/51796
1010         * combine.c (distribute_notes): If i3 is a noreturn call,
1011         allow old_size to be equal to args_size and make sure the
1012         noreturn call gets REG_ARGS_SIZE note.
1013         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1014         on noreturn calls even when the delta is 0.
1015
1016 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1017
1018         * gcov.c (STRING_SIZE): Remove.
1019         (generate_results): Erase annotations for source files with no
1020         coverage information.
1021         (read_line): New.
1022         (output_lines): Use it.
1023
1024 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1025
1026         * gimple.h (gimplify_body): Remove first argument.
1027         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1028         pointer set here, instead just pass DATA to walk_tree.
1029         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1030         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1031         (unvisit_body): Likewise, but with unmark_visited.
1032         (gimplify_body): Remove BODY_P argument and adjust.
1033         (gimplify_function_tree): Adjust call to gimplify_body.
1034         * omp-low.c (finalize_task_copyfn): Likewise.
1035
1036 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1037
1038         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1039         (build_function_type_skip_args): Delete.
1040         * tree.c (build_function_type_skip_args): Make static and add
1041         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1042         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1043         pass it to build_function_type_skip_args.
1044         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1045         (tree_function_versioning): Likewise.
1046         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1047         build_function_decl_skip_args.
1048         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1049         and pass it to build_function_decl_skip_args/tree_function_versioning.
1050         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1051         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1052         * trans-mem.c (ipa_tm_create_version): Likewise.
1053         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1054         * tree-inline.c (declare_return_variable): Remove always-true test.
1055         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1056         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1057         * ipa-split.c (split_function): Skip the return value for the split
1058         part if it doesn't return.
1059
1060 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1061
1062         PR tree-optimization/49642
1063         * ipa-split.c (forbidden_dominators): New variable.
1064         (check_forbidden_calls): New function.
1065         (dominated_by_forbidden): Likewise.
1066         (consider_split): Check for forbidden dominators.
1067         (execute_split_functions): Initialize and free forbidden
1068         dominators info; call check_forbidden_calls.
1069
1070 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1071
1072         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1073
1074 2012-01-11  Nick Clifton  <nickc@redhat.com>
1075
1076         * config/rx/rx.md (return): Define pattern.
1077
1078 2012-01-11  Richard Guenther  <rguenther@suse.de>
1079
1080         * doc/extend.texi (malloc attribute): Adjust according to
1081         implementation.
1082
1083 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1084             Patrick Marlier  <patrick.marlier@gmail.com>
1085
1086         PR middle-end/51516
1087         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1088         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1089         (ipa_tm_note_irrevocable): Same.
1090         (ipa_tm_scan_irr_block): Same.
1091         (ipa_tm_decrement_clone_counts): Same.
1092         (ipa_tm_scan_irr_function): Same.
1093         (ipa_tm_create_version_alias): Same.
1094         (ipa_tm_create_version): Same.
1095         (ipa_tm_transform_calls_redirect): Same.
1096         (ipa_tm_transform_calls): Same.
1097         (ipa_tm_transform_transaction): Same.
1098         (ipa_tm_execute): Same.
1099
1100 2012-01-10  Richard Guenther  <rguenther@suse.de>
1101
1102         PR middle-end/51806
1103         * opts.c (common_handle_option): Handle -Werror.
1104
1105 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1106
1107         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1108         operand number.
1109
1110 2012-01-10  Jason Merrill  <jason@redhat.com>
1111
1112         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1113         information.
1114
1115 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1116
1117         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1118         supports R_386_TLS_GD_PLT reloc.
1119         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1120         supports R_386_TLS_LDM_PLT reloc.
1121         * configure: Regenerate.
1122         * config.in: Regenerate.
1123
1124 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1125
1126         PR target/49868
1127         Extend __pgmx semantics to linearize memory.
1128         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1129         determine if code comes inline or from libgcc.
1130         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1131         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1132         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1133         (movmemx_qi, movmemx_hi): New insns.
1134         (xload_<mode>_libgcc): Rewrite to new insn condition.
1135         (xload_<mode>): Remove insns.
1136         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1137         cases that don't satisfy avr_xload_libgcc_p().
1138         (avr_addr_space_convert): Allow converting in any direction.
1139         (avr_addr_space_subset_p): Return always true.
1140         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1141         (avr_emit_movmemhi): Ditto.
1142         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1143         (avr_out_movmem): Ditto.
1144         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1145         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1146         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1147         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1148         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1149
1150 2012-01-10  Richard Guenther  <rguenther@suse.de>
1151
1152         PR tree-optimization/50913
1153         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1154         Require data-refs to be representable by Graphite with respect
1155         to any loop nest.
1156
1157 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1158
1159         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1160         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1161
1162 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1163
1164         PR rtl-optimization/51271
1165         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1166         handling annulled branch.
1167
1168 2012-01-10  Richard Henderson  <rth@redhat.com>
1169
1170         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1171         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1172         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1173         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1174         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1175         arm_expand_vec_perm_const): New.
1176         * config/arm/arm-protos.h: Update.
1177         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1178         (*neon_vswp<VDQX>): New.
1179         (neon_vcombine<VDX>): Use neon_split_vcombine.
1180         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1181         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1182         (vec_perm<VE>): New.
1183
1184 2012-01-10  Richard Henderson  <rth@redhat.com>
1185
1186         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1187         use it if reload_completed.
1188         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1189         arm_output_asm_insn, arm_process_output_memory_barrier,
1190         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1191         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1192         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1193         arm_process_output_sync_insn, arm_output_sync_insn,
1194         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1195         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1196         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1197         (emit_unlikely_jump): New.
1198         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1199         (arm_split_atomic_op): New.
1200         * config/arm/arm-protos.h: Update.
1201         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1202         (struct arm_sync_generator): Remove.
1203         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1204         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1205         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1206         (VUNSPEC_LL, VUNSPEC_SC): New.
1207         (sync_result, sync_memory, sync_required_value, sync_new_value,
1208         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1209         (attr length): Don't use arm_sync_loop_insns.
1210         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1211         (movsfcc, movdfcc): Likewise.
1212         * config/arm/constraints.md (Ua): New.
1213         * config/arm/prediates.md (mem_noofs_operand): New.
1214         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1215         (sync_clobber, sync_t2_reqd): Remove.
1216         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1217         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1218         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1219         (arm_sync_compare_and_swap<SIDI>): Remove.
1220         (arm_sync_compare_and_swap<NARROW>): Remove.
1221         (arm_sync_lock_test_and_set<SIDI>): Remove.
1222         (arm_sync_lock_test_and_set<NARROW>): Remove.
1223         (arm_sync_new_<syncop><SIDI>): Remove.
1224         (arm_sync_new_<syncop><NARROW>): Remove.
1225         (arm_sync_new_nand<SIDI>): Remove.
1226         (arm_sync_new_nand<NARROW>): Remove.
1227         (arm_sync_old_<syncop><SIDI>): Remove.
1228         (arm_sync_old_<syncop><NARROW>): Remove.
1229         (arm_sync_old_nand<SIDI>): Remove.
1230         (arm_sync_old_nand<NARROW>): Remove.
1231         (*memory_barrier): Merge arm_output_memory_barrier.
1232         (atomic_compare_and_swap<QHSD>): New.
1233         (atomic_compare_and_swap<NARROW>_1): New.
1234         (atomic_compare_and_swap<SIDI>_1): New.
1235         (atomic_exchange<QHSD>): New.
1236         (cas_cmp_operand, cas_cmp_str): New.
1237         (atomic_op_operand, atomic_op_str): New.
1238         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1239         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1240         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1241         (arm_load_exclusive<NARROW>): New.
1242         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1243         (arm_store_exclusive<QHSD>): New.
1244
1245 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1246
1247         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1248         reload patterns if -mvsx-scalar-memory.
1249
1250         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1251         generated, even -mno-vsx-scalar-double was used.
1252         (vsx_xscvdpsp_scalar): Likewise.
1253         (vsx_xscvspdp_scalar2): Likewise.
1254
1255 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1256             Andrew Pinski  <apinski@cavium.com>
1257
1258         PR debug/51471
1259         * reorg.c (fill_slots_from_thread): Don't speculate
1260         frame-related insns.
1261
1262 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1263
1264         * sched-int.h (bb_note): Move to...
1265         * basic-block.h: ...here.
1266         * haifa-sched.c (bb_note): Move to...
1267         * cfgrtl.c: ...here.
1268         * function.c (next_block_for_reg): New function.
1269         (move_insn_for_shrink_wrap): Likewise.
1270         (prepare_shrink_wrap): Rewrite to use the above.
1271
1272 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1273
1274         * gimple.c (is_gimple_non_addressable): Remove.
1275         * gimple.h: Remove is_gimple_non_addressable.
1276         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1277         is_gimple_non_addressable.
1278         * trans-mem.c (expand_assign_tm): Same.
1279
1280 2012-01-09  Richard Guenther  <rguenther@suse.de>
1281
1282         PR tree-optimization/51775
1283         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1284         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1285
1286 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1287
1288         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1289         tuning parameters.
1290         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1291
1292 2012-01-09  Richard Guenther  <rguenther@suse.de>
1293
1294         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1295
1296 2012-01-08  Jan Hubicka  <jh@suse.cz>
1297
1298         PR tree-optimize/51680
1299         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1300         on when known_vals needs to be computed; cleanup.
1301
1302 2012-01-08  Jan Hubicka  <jh@suse.cz>
1303
1304         PR tree-optimize/51694
1305         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1306
1307 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1308
1309         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1310         for -std=c++98 and -std=c++11 too.
1311
1312 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1313
1314         * cfgloop.c (cancel_loop): Add free() of bbs array.
1315
1316 2012-01-07  Jan Hubicka  <jh@suse.cz>
1317
1318         PR tree-optimization/51600
1319         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1320         that benefits small functions.
1321
1322 2012-01-07  Jan Hubicka  <jh@suse.cz>
1323
1324         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1325
1326 2012-01-07  Jan Hubicka  <jh@suse.cz>
1327
1328         PR tree-optimization/51680
1329         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1330         whose inlining reduce unit size.
1331
1332 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1333
1334         PR bootstrap/51725
1335         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1336         Add canonical node to containing_mem chain after the non-canonical
1337         one, even if there weren't any locs to propagate.
1338         (remove_useless_values): Keep only canonical values.
1339         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1340         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1341         canonicalize mem_chain elements that are not discarded.
1342
1343 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1344
1345         PR target/47333
1346         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1347         before emitting functions.
1348
1349         PR gcov-profile/50127
1350         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1351         clear_aux_for_blocks.
1352
1353 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1354
1355         PR debug/51746
1356         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1357
1358 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1359
1360         * c-decl.c (ext_block): Moved up.
1361         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1362
1363 2012-01-06  Han Shen  <shenhan@google.com>
1364
1365         Translate built-in include paths for sysroot.
1366         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1367         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1368
1369         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1370         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1371
1372         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1373         control whether sysroot should be prepended to gxx include dir.
1374
1375         * configure: Regenerate.
1376
1377 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1378
1379         PR rtl-optimization/51771
1380         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1381         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1382
1383 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1384
1385         PR tree-optimization/51315
1386         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1387         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1388
1389 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1390
1391         PR target/51681
1392         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1393         for shrp pattern.  Correctly handle and fixup shift variable.
1394         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1395
1396 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR debug/51762
1399         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1400         note when !ACCUMULATE_OUTGOING_ARGS.
1401
1402 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1403
1404         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1405         condition.
1406         (extract_range_from_unary_expr_1): Avoid useless computations.
1407
1408 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1409
1410         PR rtl-optimization/51767
1411         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1412         of jump_block and add an extra edge for degenerated asm gotos.
1413
1414         PR middle-end/51768
1415         * stmt.c (check_unique_operand_names): Don't ICE during error
1416         reporting if i is from labels chain.
1417
1418         PR middle-end/44777
1419         * profile.c (branch_prob): Split bbs that have exit edge
1420         and need a fake entry edge too.
1421
1422 2012-01-05  Jan Hubicka  <jh@suse.cz>
1423
1424         PR middle-end/49710
1425         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1426         unlooping loops.
1427
1428 2012-01-05  Richard Guenther  <rguenther@suse.de>
1429
1430         PR lto/50490
1431         * tree-streamer-out.c (write_ts_optimization): New function.
1432         (streamer_write_tree_body): Call it.
1433         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1434         (streamer_read_tree_body): Call it.
1435         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1436
1437 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1438
1439         PR middle-end/51761
1440         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1441         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1442         in_cleanup_point_expr before gimplify_stmt call and restore it
1443         afterwards.
1444         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1445         in_cleanup_point_expr is false.
1446
1447 2012-01-05  Richard Guenther  <rguenther@suse.de>
1448
1449         PR middle-end/51764
1450         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1451         to c.opt.
1452         * toplev.c (process_options): Reject combining mudflap and LTO.
1453         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1454
1455 2012-01-05  Richard Guenther  <rguenther@suse.de>
1456
1457         PR tree-optimization/51760
1458         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1459         not VARYING.
1460         (bit_value_unop): Handle UNDEFINED operands.
1461         (bit_value_binop): Likewise.
1462
1463 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1464
1465         * config/avr/avr.c (avr_replace_prefix): Remove.
1466         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1467         (avr_asm_function_rodata_section): Ditto.
1468         (avr_asm_select_section): Ditto.
1469
1470 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1471
1472         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1473         insertion.
1474
1475 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1476
1477         PR bootstrap/51648
1478         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1479         calls that have any non-fake successor edges.
1480
1481         PR debug/51746
1482         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1483
1484 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         PR tree-optimization/51624
1487         * tree-sra.c (build_ref_for_model): When replicating a chain of
1488         COMPONENT_REFs, stop as soon as the offset would become negative.
1489
1490 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1491
1492         PR debug/51695
1493         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1494         in .debug_loc on the floor.
1495
1496 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1497
1498         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1499
1500 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1501             Adam Nemet  <anemet@caviumnetworks.com>
1502
1503         * config/mips/mips.md (size): Add SI and DI.
1504         (SIZE): New mode attribute.
1505         (U): New code attribute.
1506         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1507         (mips_lbux_<mode>): Delete.
1508         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1509         (mips_lhx): Use gen_mips_lhx_extsi.
1510         (mips_lhx_<mode>): Delete.
1511         (mips_lwx): Delete.
1512         (mips_l<size>x): New expand.
1513         (mips_lwx_<mode>): Delete.
1514         (mips_l<GPR:size>x_<P:mode>): New pattern.
1515         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1516         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1517         * config/mips/mips.c (mips_lx_address_p): New function.
1518         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1519         (dsp64): New availability predicate.
1520         (mips_builtins): Add an entry for __builtin_mips_ldx.
1521         * config/mips/mips.h (ISA_HAS_LBX): New define.
1522         (ISA_HAS_LBUX): Likewise.
1523         (ISA_HAS_LHX): Likewise.
1524         (ISA_HAS_LHUX): Likewise.
1525         (ISA_HAS_LWX): Likewise.
1526         (ISA_HAS_LWUX): Likewise.
1527         (ISA_HAS_LDX): Likewise.
1528         * doc/extend.texi (__builtin_mips_ldx): Document.
1529
1530 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1531
1532         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1533         when long pointers are used.
1534         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1535         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1536         (ia64-hp-*vms*): Remove.
1537         * config/vms/xm-vms64.h: Delete.
1538
1539 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1540
1541         PR middle-end/51472
1542         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1543
1544 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1545
1546         * opts.c (finish_options): Remove duplicate sorry.
1547
1548 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1549
1550         PR middle-end/51696
1551         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1552         correctly.
1553
1554 2012-01-04  Richard Guenther  <rguenther@suse.de>
1555
1556         PR middle-end/51750
1557         * tree.c (size_low_cst): New function.
1558         * tree.h (size_low_cst): Declare.
1559         * fold-const.c (fold_comparison): Use it to extract the low
1560         part of the POINTER_PLUS_EXPR offset.
1561
1562 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1563
1564         Fix clearing ZERO_REG
1565         * config/avr/avr.md (cc): Add alternative "ldi".
1566         (movqi_insn): Use it in cc attribute.
1567         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1568         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1569         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1570
1571 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1572
1573         * configure: Regenerate.
1574
1575 2012-01-04  Richard Guenther  <rguenther@suse.de>
1576
1577         PR tree-optimization/49651
1578         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1579         (var_can_have_subvars): Use it.
1580         (get_constraint_for_1): Only consider subfields if there can be any.
1581
1582 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1583
1584         PR bootstrap/51725
1585         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1586         to its new canonical_cselib_val and the cselib_val was in
1587         first_containing_mem chain, but the canonical_cselib_val was not,
1588         add the latter into the chain.
1589         (cselib_invalidate_mem): Compare canonical_cselib_val of
1590         addr_list chain elt with v.
1591
1592         PR pch/51722
1593         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1594         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1595         of xstrdup.
1596         (output_macinfo_op): Don't ggc_strdup fd->filename.
1597         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1598         then ggc_strdup it.  Don't free inc->info or cur->info.
1599         (output_macinfo): Don't free ref->info or file->info.
1600
1601 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1602
1603         PR tree-optimization/51269
1604         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1605         first_niters a pointer.
1606         (slpeel_tree_peel_loop_to_edge): Likewise.
1607         (vect_do_peeling_for_loop_bound): Update call to
1608         slpeel_tree_peel_loop_to_edge.
1609         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1610         here.  Remove it from the parameters list.
1611         (vect_do_peeling_for_alignment): Update calls and compute
1612         wide_prolog_niters.
1613
1614 2012-01-03  Richard Guenther  <rguenther@suse.de>
1615
1616         PR tree-optimization/51070
1617         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1618         Properly handle calls.
1619
1620 2012-01-03  Richard Guenther  <rguenther@suse.de>
1621
1622         PR tree-optimization/51692
1623         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1624         the LHS of allocation stmts.
1625
1626 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1627
1628         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1629
1630 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1631
1632         * collect2.c (main): In AIX specific computations for vector
1633         insertions, use CONST_CAST2 to cast from char ** to const char **.
1634
1635 2012-01-03  Richard Guenther  <rguenther@suse.de>
1636
1637         PR debug/51650
1638         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1639         the context of a limbo DIE when it does not already exist.
1640
1641 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1642
1643         PR tree-optimization/51719
1644         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1645         but direct call is, clear direct call's lhs and don't add fallthrough
1646         edge from dcall_bb to join_bb and PHIs.
1647
1648 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1649
1650         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1651         the instructions emitted by the pattern.
1652         ("*TDC_insn_<mode>"): Add comment.
1653
1654 2012-01-03  Richard Guenther  <rguenther@suse.de>
1655
1656         PR middle-end/51730
1657         * fold-const.c (fold_comparison): Properly canonicalize
1658         tree offset and HOST_WIDE_INT bit position.
1659
1660 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1661
1662         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1663         operands for extzv pattern.
1664
1665 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1666
1667         PR bootstrap/51725
1668         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1669         on mem_elt first.
1670
1671 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1672
1673         * doc/invoke.texi (-flto and related options): Copy-edit.
1674
1675 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1676
1677         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1678
1679 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1680
1681         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1682         New patterns.
1683
1684 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1685
1686         * expr.h (move_by_pieces_ninsns): Declare.
1687         * expr.c (move_by_pieces_ninsns): Make external.
1688         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1689         (mips_store_by_pieces_p): Likewise.
1690         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1691         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1692         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1693         (mips_store_by_pieces_p): Likewise.
1694
1695 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1696
1697         * passes.c (register_one_dump_file): Free full_name.
1698
1699         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1700         (calculate_elim_costs_all_insns): Free offsets_at and
1701         offsets_known_at at the end and clear the pointers.
1702
1703 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1704
1705         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1706         this option introduced in r180739.
1707
1708 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1709
1710         PR target/51345
1711         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1712         (tmake_file target=avr): Add avr/t-multilib.
1713
1714         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1715         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1716         * config/avr/genmultilib.awk: New file.
1717         * config/avr/t-multilib: New auto-generated file.
1718         * config/avr/multilib.h: New auto-generated file.
1719         * config/avr/t-avr (AVR_MCUS): New variable.
1720         (genopt.sh): Use it.
1721         (s-mlib): Depend on t-multilib.
1722         (t-multilib, multilib.h): New dependencies.
1723         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1724         (MULTILIB_OPTIONS): Remove.
1725         (MULTILIB_MATCHES): Remove.
1726         (MULTILIB_DIRNAMES): Remove.
1727         (MULTILIB_EXCEPTIONS): Remove:
1728         * config/avr/genopt.sh: Don't use hard coded file name;
1729         pass AVR_MCUS from t-avr instead.
1730
1731 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1732
1733         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1734
1735 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1736
1737         Implement light-weight DImode support.
1738         * config/avr/avr-dimode.md: New file.
1739         * config/avr/avr.md: Include it.
1740         (adjust_len): Add plus64, compare64.
1741         (HIDI): Remove code iterator.
1742         (code_stdname): New code attribute.
1743         (rotx, rotsmode): Remove DI.
1744         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1745         as code iterator.
1746         * config/avr/avr-protos.h (avr_have_dimode): New.
1747         (avr_out_plus64, avr_out_compare64): New.
1748         * config/avr/avr.c (avr_out_compare): Handle DImode.
1749         (avr_have_dimode): New variable definition and initialization.
1750         (avr_out_compare64, avr_out_plus64): New functions.
1751         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1752         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1753         (avr_compare_pattern): Skip DImode comparisons.
1754
1755 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1756
1757         * ddg.c (def_has_ccmode_p): New function.
1758         (add_cross_iteration_register_deps,
1759         create_ddg_dep_from_intra_loop_link): Call it.
1760
1761 2012-01-02  Richard Guenther  <rguenther@suse.de>
1762
1763         PR other/51679
1764         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1765
1766 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1767
1768         * gcc.c (process_command): Update copyright notice dates.
1769         * gcov.c (print_version): Likewise.
1770         * gcov-dump.c (print_version): Likewise.
1771         * mips-tfile.c (main): Likewise.
1772         * mips-tdump.c (main): Likewise.
1773
1774 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1775
1776         PR tree-optimization/51704
1777         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1778         a use is inside the basic block or loop before accessing its vect info.
1779
1780 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1781
1782         PR rtl-optimization/51069
1783         * cfgloopmanip.c (remove_path): Removing path making irreducible
1784         region unconditional makes BB part of the region.
1785
1786 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1787
1788         PR tree-optimization/51683
1789         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1790         calls with side-effects.
1791         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1792 \f
1793 Copyright (C) 2012 Free Software Foundation, Inc.
1794
1795 Copying and distribution of this file, with or without modification,
1796 are permitted in any medium without royalty provided the copyright
1797 notice and this notice are preserved.