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2012-02-01 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-01  Richard Guenther  <rguenther@suse.de>
2
3         * doc/invoke.texi (fno-inline): Clarify documentation.
4         (finline-small-functions): Likewise.
5         (finline-functions): Likewise.
6         * common.opt (finline): Adjust comment and documentation.
7         (finline-small-functions): Clarify documentation.
8         (finline-functions): Likewise.
9         (finline-functions-called-once): Likewise.
10
11 2012-02-01  Tristan Gingold  <gingold@adacore.com>
12
13         * c-typeck.c (composite_type): Keep mode for pointers.
14
15 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
16
17         * function.h (regno_reg_rtx): Adjust comment.
18         * reginfo.c (init_reg_modes_target): Only use the previous mode
19         if it fits within one register.  Remove MIPS comment.
20
21 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
22
23         PR bootstrap/52058
24         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
25
26 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
27
28         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
29         to srak instruction.
30
31 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
32
33         config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
34         condition.
35
36 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
37
38         PR bootstrap/52041
39         PR bootstrap/52039
40         PR target/51974
41         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
42
43 2012-01-31  Richard Guenther  <rguenther@suse.de>
44
45         PR tree-optimization/51528
46         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
47         assigns.
48
49 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
50
51         PR bootstrap/52041
52         PR bootstrap/52039
53         PR target/51974
54         * ree.c (add_removable_extension): Change def_map argument
55         to unsigned *, store in def_map 1 + offset into *insn_list vector
56         instead of pointers into the vector.
57         (find_removable_extensions): Adjust caller.
58
59 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
60
61         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
62         Transform all "* quoted-c-code" to { c-code }.
63         Remove redundant test for "optimize" in combine patterns.
64         Move (include "avr-dimode.md") to end of file.
65
66 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
67
68         PR target/51835
69         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
70         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
71
72 2012-01-30  Richard Guenther  <rguenther@suse.de>
73
74         PR tree-optimization/52028
75         * tree-loop-distribution.c (ldist_gen): Properly update
76         virtual SSA form.
77
78 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
79
80         PR debug/52027
81         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
82         set_cur_line_info_table if not emitting debug info.
83
84         PR tree-optimization/52046
85         * tree-vect-patterns.c (check_bool_pattern): Give up if
86         a comparison could throw.
87
88         PR debug/52048
89         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
90
91 2012-01-30  Richard Guenther  <rguenther@suse.de>
92
93         PR tree-optimization/52045
94         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
95         SSA form if cfgcleanup did anything.
96
97 2012-01-30  Richard Guenther  <rguenther@suse.de>
98
99         PR tree-optimization/52045
100         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
101         before computing final todo.
102
103 2012-01-30  Richard Guenther  <rguenther@suse.de>
104
105         PR tree-optimization/51528
106         * tree-sra.c (sra_modify_assign): Re-factor in preparation
107         for PR51528 fix.
108
109 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
110
111         * df-problems.c (df_kill_notes): Check that the use refers
112         to the note under examination.
113
114 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
115
116         PR target/51920
117         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
118         parameter and use short-lived pseudos.
119         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
120         (sparc_expand_vector_init): Const-ify local variables and adjust
121         calls to above functions.
122
123 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
124
125         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
126
127 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
128
129         * doc/invoke.texi: Make usage of "compile time" and
130         "run time"/"runtime" consistent throughout the file.
131
132 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
133
134         * config/alpha/alpha.c (alpha_option_overrride): Default to
135         full IEEE compliance mode for Go language.
136
137 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
138
139         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
140         (LINK_SSP_SPEC): Define.
141
142 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
143
144         PR target/51871
145         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
146         stubs.
147
148 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
149
150         * doc/invoke.texi: Correct hyphenation of "floating point",
151         "double precision", and related terminology throughout the file.
152
153 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
154
155         PR target/52006
156         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
157         arm_general_register_operand predicate for operand 2 instead of
158         register_operand.
159
160 2012-01-27  Ian Lance Taylor  <iant@google.com>
161
162         PR go/47656
163         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
164         * builtins.c (expand_builtin_init_trampoline): Add onstack
165         parameter.  Change caller.
166         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
167         * tree.c (build_common_builtin_nodes): Declare
168         __builtin_init_heap_trampoline.
169
170 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
171
172         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
173         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
174         * config/avr/avr.c: Ditto.
175         (avr_regnames): Remove because unused.
176         * config/avr/avr.md (*cpse.ne): New peephole.
177         (*cpse.eq): New peephole from former cpse peepholes.
178
179 2012-01-27  Michael Eager  <eager@eagercon.com>
180
181         * config/microblaze.c (microblaze_emit_compare): Correct
182         test after pcmp instruction.
183
184 2012-01-27  Richard Guenther  <rguenther@suse.de>
185
186         PR tree-optimization/52020
187         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
188
189 2012-01-27  Richard Guenther  <rguenther@suse.de>
190
191         * ipa-pure-const.c (check_stmt): Clobbers do not make a
192         function non-const/pure.
193
194 2012-01-27  Richard Guenther  <rguenther@suse.de>
195
196         PR tree-optimization/50444
197         * tree-sra.c (build_ref_for_offset): Properly adjust the
198         MEM_REF type for unaligned accesses.
199
200 2012-01-27  Richard Guenther  <rguenther@suse.de>
201
202         PR tree-optimization/50444
203         * expr.c (mem_ref_refers_to_non_mem_p): New function.
204         (expand_assignment): Use it.  Properly handle misaligned
205         bases when expanding stores to component references.
206         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
207         refactor that case.
208
209 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
210
211         PR middle-end/51389
212         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
213         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
214         * tree-data-ref.c (find_data_references_in_loop): Make static.
215         (compute_all_dependences): Change return type to bool.  Bail out
216         for too many datarefs in a loop.  Move the hunk resetting the data
217         dependences vector from ...
218         (compute_data_dependences_for_loop): ... here.  Account for
219         compute_all_dependences returning false.
220         (compute_data_dependences_for_bb): Likewise.
221         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
222         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
223
224 2012-01-27  Richard Guenther  <rguenther@suse.de>
225
226         PR middle-end/51959
227         * expr.c (store_field): Use the alias-set of the scratch memory
228         for storing to it.
229
230 2012-01-27  Tom de Vries  <tom@codesourcery.com>
231
232         PR tree-optimization/51990
233         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
234         WITH_SIZE_EXPR.
235         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
236
237 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
238
239         PR debug/52001
240         * var-tracking.c (reverse_op): Don't add any reverse operation
241         if V already has any constant locations.
242
243 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
244
245         * doc/invoke.texi: Correct usage of "command line" (noun)
246         vs "command-line" (adjective) throughout.
247
248 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
249
250         * doc/invoke.texi (Language Independent Options): Move
251         -Wcoverage-mismatch blurb from here....
252         (Warning Options): ...to here.
253
254 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
255
256         * config/rs6000/rs6000.c (rs6000_option_override_internal):
257         Set rs6000_always_hint to false for 476.
258
259 2012-01-27  Matthias Klose  <doko@ubuntu.com>
260
261         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
262           system root.
263         * incpath.c (add_standard_paths): Likewise.
264
265 2012-01-27  Richard Henderson  <rth@redhat.com>
266
267         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
268         * config/m68k/sync.md (atomic_test_and_set): Rename from
269         sync_test_and_setqi and adjust the operands.
270         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
271         and unconditionally enable.
272
273 2012-01-27  Richard Henderson  <rth@redhat.com>
274
275         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
276         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
277         (ldstub): Rename from ldstubqi.
278         (ldstub<I24MODE>): Remove.
279
280 2012-01-27  Richard Henderson  <rth@redhat.com>
281
282         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
283         * c-cppbuiltin.c (cpp_atomic_builtins): Define
284         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
285         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
286         * doc/tm.texi: Rebuild.
287
288 2012-01-27  Richard Henderson  <rth@redhat.com>
289
290         * optabs.c (gen_atomic_test_and_set): Remove default.
291         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
292
293 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
294
295         PR rtl-optimization/51978
296         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
297         (combine_reaching_defs): Likewise.
298         (struct re_info): Remove.
299         (add_removable_extension): Remove x and data arguments,
300         add insn, insn_list and def_map.  Use the arguments directly
301         instead of using struct re_info.
302         (find_removable_extensions): Don't call add_removable_extension
303         through note_stores, instead just call it with single_set
304         result if non-NULL.
305         (find_and_remove_re): Pass curr_cand->expr instead of
306         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
307
308 2012-01-26  Michael Matz  <matz@suse.de>
309
310         PR tree-optimization/46590
311         * cfgexpand.c: Revert last change (r183305).
312         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
313         regs.
314         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
315         checking for emptiness.
316
317 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
318
319         PR middle-end/51895
320         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
321         non-addressable non-BLKmode base correctly.
322
323 2012-01-26  Michael Matz  <matz@suse.de>
324
325         PR tree-optimization/48794
326         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
327         regions referenced from RESX/EH_DISPATCH.
328
329 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
330
331         * config/s390/s390.h: Make BRANCH_COST an option.
332         * config/s390/s390.opt: New option -mbranch-cost.
333
334 2012-01-26  Richard Henderson  <rth@redhat.com>
335
336         Revert 2012-01-24 change:
337         * trans-mem.c (requires_barrier): Do not instrument thread local
338         variables and emit save/restore for them.
339
340 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
341
342         PR middle-end/51986
343         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
344         for pat == 0.
345
346 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
347
348         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
349         ASM_OPERANDS.
350
351 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
352
353         PR target/49868
354         Rename __pgm to __flash.
355         Rename __pgm1 to __flash1.
356         Rename __pgm2 to __flash2.
357         Rename __pgm3 to __flash3.
358         Rename __pgm4 to __flash4.
359         Rename __pgm5 to __flash5.
360         Rename __pgmx to __memx.
361         * doc/extend.texi (AVR Named Address Spaces)
362         Rename address space names as indicated above.
363         * config/avr/avr.c (avr_addrspace): Ditto.
364
365         * config/avr/avr-protos.h
366         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
367         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
368         * config/avr/predicates.md: Ditto.
369         * config/avr/avr.c Ditto, and
370         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
371         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
372
373         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
374         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
375         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
376         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
377         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
378         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
379         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
380         * config/avr/avr.c: Ditto.
381         * config/avr/avr.md: Ditto.
382
383 2012-01-25  Jason Merrill  <jason@redhat.com>
384
385         PR c++/51992
386         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
387
388 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
389
390         PR tree-optimization/51987
391         * tree-data-ref.c (get_references_in_stmt): Handle references in
392         non-volatile GIMPLE_ASM.
393
394 2012-01-25  Richard Guenther  <rguenther@suse.de>
395
396         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
397         bases are dereferenced.
398
399 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
400
401         PR rtl-optimization/48374
402         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
403
404 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
405
406         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
407         compute_data_dependences_for_loop returns false.
408         * tree-parloops.c (loop_parallel_p): Likewise.
409
410 2012-01-25  Richard Guenther  <rguenther@suse.de>
411
412         * tree.h (get_pointer_alignment_1): Declare.
413         * builtins.c (get_pointer_alignment_1): New function.
414         (get_pointer_alignment): Use it.
415
416 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
417
418         PR rtl-optimization/48308
419         * combine.c (enum undo_kind): Add UNDO_LINKS.
420         (struct undo): Add member l to other_contents and where.
421         (do_SUBST_LINK): New.
422         (SUBST_LINK): New.
423         (try_combine): Handle LOG_LINKS for the dummy i1 case.
424         (undo_all): Handle UNDO_LINKS.
425
426 2012-01-25  Richard Henderson  <rth@redhat.com>
427
428         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
429         mem inputs.
430
431 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
432
433         * optabs.c (gen_atomic_test_and_set): Use each argument.
434
435 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
436
437         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
438         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
439         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
440         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
441         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
442         TARGET_PAIRED_SINGLE_FLOAT.
443
444 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
445
446         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
447         (in_struct, return_val): Remove MEM documentation.
448         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
449         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
450         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
451         and MEM_SCALAR.
452         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
453         * cfgexpand.c (add_alias_set_conflicts): Likewise.
454         * expr.c (store_field): Likewise.
455         * function.c (assign_stack_temp_for_type): Likewise.
456         * ifcvt.c (noce_try_cmove_arith): Likewise.
457         * reload1.c (reload): Likewise.
458         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
459         (alpha_set_memflags): Likewise.
460         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
461
462 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
463
464         * rtl.h (true_dependence, canon_true_dependence): Remove varies
465         parameter.
466         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
467         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
468         (true_dependence_1, true_dependence, canon_true_dependence): Remove
469         varies parameter.
470         * cselib.c (cselib_rtx_varies_p): Delete.
471         (cselib_invalidate_mem): Update call to canon_true_dependence.
472         * dse.c (record_store, check_mem_read_rtx): Likewise.
473         (scan_reads_nospill): Likewise.
474         * cse.c (check_dependence): Likewise.
475         (cse_rtx_varies_p): Delete.
476         * expr.c (safe_from_p): Update call to true_dependence.
477         * ira.c (validate_equiv_mem_from_store): Likewise.
478         (memref_referenced_p): Likewise.
479         * postreload-gcse.c (find_mem_conflicts): Likewise.
480         * sched-deps.c (sched_analyze_2): Likewise.
481         * store-motion.c (load_kills_store): Likewise.
482         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
483         * gcse.c (mems_conflict_for_gcse_p): Likewise.
484         (compute_transp): Update call to canon_true_dependence.
485
486 2012-01-25  Richard Henderson  <rth@redhat.com>
487
488         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
489         (maybe_emit_atomic_test_and_set): New.
490         (expand_sync_lock_test_and_set): Use it.
491         (expand_atomic_test_and_set): Likewise.
492         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
493         the implementation; clarify implementation defined details.
494         * doc/md.texi (atomic_test_and_set): Document.
495
496 2012-01-25  Richard Henderson  <rth@redhat.com>
497
498         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
499
500 2012-01-25  Richard Henderson  <rth@redhat.com>
501
502         PR target/51968
503         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
504         to effect no-op split.
505
506 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
507
508         PR lto/51698
509         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
510         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
511         (BT_FN_VOID_PTR_INT_SIZE): New.
512         (BT_FN_UINT_UINT_VAR): Remove.
513         (BT_FN_UINT32_UINT32_VAR): New.
514         (BT_FN_DOUBLE_VPTR): Remove.
515         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
516
517         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
518         (_ITM_changeTransactionMode): Same.
519         (_ITM_memmoveRtWt): Change return type to void.
520         (_ITM_memcpyRtWt): Same.
521         (_ITM_memsetW): Same.
522         (_ITM_RaRD): Change types to double.
523         (_ITM_RD): Same.
524         (_ITM_RaWD): Same.
525         (_ITM_RfWD): Same.
526
527         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
528
529 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
530             Patrick Marlier  <patrick.marlier@gmail.com>
531
532         * trans-mem.c (requires_barrier): Do not instrument thread local
533         variables and emit save/restore for them.
534
535 2012-01-24  Jason Merrill  <jason@redhat.com>
536
537         PR c++/51812
538         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
539         output static aliases.
540
541 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
542
543         PR driver/47249
544         * common.opt (-pie, -shared, pie, shared): Change from Common to
545         Driver.
546         * gcc.c (display_help): Display help for -pie and -shared.
547
548 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
549
550         PR target/49868
551         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
552         Remove note on size/offset limitation.
553         (AVR Variable Attributes): Add example how to read data located
554         with progmem.  Refer to named address spaces.
555         * doc/invoke.texi (AVR Options): Fix typo.
556
557 2012-01-24  Richard Guenther  <rguenther@suse.de>
558
559         Forward-port to trunk
560         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
561
562         PR middle-end/45678
563         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
564         op0 isn't sufficiently aligned and there is movmisalignM
565         insn for mode, use it to load op0 into a temporary register.
566
567 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
568
569         PR target/51957
570         * target.def (const_not_ok_for_debug_p): New hook.
571         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
572         documentation.
573         * doc/tm.texi: Regenerated.
574         * dwarf2out.c (const_ok_for_output_1): If
575         targetm.const_not_ok_for_debug_p returns true, fail.
576         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
577         function.
578         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
579
580 2012-01-23  Kai Tietz  <ktietz@redhat.com>
581
582         PR target/51900
583         * config/i386/predicates.md (symbolic_operand): Allow
584         UNSPEC_PCREL as PIC expression for lea.
585         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
586         * config/i386/i386.c (ix86_delegitimize_address): Handle
587         UNSPEC_PCREL for none-MEM, too.
588
589 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
590
591         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
592         (ipa_tm_create_version_alias): Same.
593
594 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
595
596         PR libitm/51830
597         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
598         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
599
600 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
601             Patrick Marlier  <patrick.marlier@gmail.com>
602             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
603
604         PR lto/51916
605         * lto-wrapper.c (run_gcc): Pass the LTO section name to
606         simple_object_start_read.
607
608 2012-01-23  Richard Guenther  <rguenther@suse.de>
609
610
611         PR tree-optimization/51895
612         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
613         parameter decomposition into BLKmode components.
614
615 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
616
617         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
618         fake variables for restrict-qualified pointers whose pointed-to type
619         contains a placeholder.
620
621 2012-01-23  Richard Guenther  <rguenther@suse.de>
622
623         PR tree-optimization/51949
624         * ipa-split.c (execute_split_functions): Do not split malloc functions.
625
626 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
627
628         PR rtl-optimization/51933
629         * ree.c (transform_ifelse): Return true right away if dstreg is
630         already wider or equal to cand->mode.
631         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
632         (make_defs_and_copies_lists): Remove defs_list and copies_list
633         arguments, add state argument, just truncate state->work_list
634         instead of always allocating and freeing the vector.  Assert that
635         get_defs succeeds instead of returning 2.  Changed return type to bool.
636         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
637         have ext_src_mode, see if it has been modified already with the
638         right kind of extension and has been extended before from the
639         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
640         just return true.  Remember the original mode in state->modified array.
641         (combine_reaching_defs): Add state argument.  Don't allocate and
642         free here def_list, copied_list and vec vectors, instead just
643         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
644         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
645         Add state variable, clear vectors in it, initialize state.modified
646         if needed.  Free all the vectors at the end and state.modified too.
647         Don't skip a candidate if the extension expression has been modified.
648
649 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
650
651         PR target/47096
652         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
653          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
654         (extra_options) interix.opt -> i386/interix.opt"
655         (extra_objs):Add winnt-stubs.o
656         * configure.ac: Add interix to target_os .comm on PE check.
657         * configure: Regenerate.
658         * config/interix3.h: Delete and move bits to..
659         * config/interix.h: Delete and move bits to..
660         * config/i386/i386-interix3.h: Delete and move bits to..
661         * config/i386/i386-interix.h: ..here.
662         (TARGET_CPU_DEFAULT): Remove redefinition.
663         (TARGET_ASM_CONSTRUCTOR): Undefine.
664         (SUBTARGET_SWITCHES): Define for ms-bitfields.
665         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
666         (PTRDIFF_TYPE): Define.
667         (LONG_DOUBLE_TYPE_SIZE): Define.
668         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
669         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
670         (TARGET_SECTION_TYPE_FLAGS): Define.
671         (ASM_DECLARE_FUNCTION_NAME): Define.
672         (ASM_OUTPUT_EXTERNAL): Define.
673         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
674         (ASM_OUTPUT_ALIGNED_BSS): Define.
675         (PCC_BITFIELD_TYPE_MATTERS): Define.
676         (USE_CONST_SECTION): Define.
677         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
678         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
679         (SUPPORTS_ONE_ONLY): Remove.
680         (I386_PE_STRIP_ENCODING): Define.
681         * config/interix.opt: Delete and move bits to..
682         * config/i386/interix.opt: ..here. New.
683         (mpe-aligned-commons): Add.
684         * config/i386/t-interix: Add copyright header.
685         (winnt-stubs.o): Add rule.
686
687 2012-01-22  Jason Merrill  <jason@redhat.com>
688
689         PR c++/51832
690         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
691         for extra name aliases.
692
693 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
694
695         PR rtl-optimization/51924
696         * ree.c (combine_set_extension): Improve debugging message.
697         (combine_reaching_defs): Likewise.
698         (get_defs): Rename confusingly named variable.
699         (find_and_remove_re): Skip a candidate if the extension expression has
700         been modified.
701
702 2012-01-21  Robert Millan  <rmh@gnu.org>
703             Gerald Pfeifer  <gerald@pfeifer.com>
704
705         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
706         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
707
708 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
709
710         PR tree-optimization/51914
711         * tree-vect-stmts.c (vectorizable_conversion): For
712         cvt_type && modifier == WIDEN, put temporary with cvt_type
713         at the beginning of vec_dsts and set vec_dest to temporary
714         with vectype_out.
715
716 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
717
718         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
719
720 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
721
722         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
723         * config/rs6000/rs6000.c: Likewise.
724
725 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
726
727         PR target/51915
728         * config/arm/arm.c (arm_count_output_move_double_insns): Call
729         output_move_double on a copy of operands array.
730
731 2012-01-20  Cary Coutant  <ccoutant@google.com>
732             Dodji Seketeli  <dodji@redhat.com>
733
734         PR debug/45682
735         * dwarf2out.c (copy_declaration_context): Return ref to parent
736         of declaration DIE, if necessary.
737         (remove_child_or_replace_with_skeleton): Add new parameter; update
738         caller.  Place skeleton DIE under parent DIE of original declaration.
739         Move call to copy_declaration_context to here ...
740         (break_out_comdat_types): ... from here.
741
742 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
743
744         PR rtl-optimization/51856
745         * reload.c (find_reloads_subreg_address): Set the address_reloaded
746         flag to reloaded.
747
748 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
749
750         PR target/51819
751         * config/arm/arm.c (arm_print_operand): Correct output of alignment
752         hints for neon loads and stores.
753
754 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
755
756         PR target/49868
757         PR target/50887
758         * doc/extend.texi (Named Address Spaces): Split into subsections.
759         (AVR Named Address Spaces): New subsection.
760         (M32C Named Address Spaces): New subsection.
761         (RL78 Named Address Spaces): New subsection.
762         (SPU Named Address Spaces): New subsection.
763         (Variable Attributes): New anchor "AVR Variable Attributes".
764         (AVR Variable Attributes): Rewrite and avoid wording
765         "address space" in this context.
766         * doc/invoke.texi (AVR Options): Rewrite and add documentation
767         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
768         (AVR Built-in Macros): New subsubsection therein.
769         * doc/md.texi (AVR constraints): Remove "C04", "R".
770
771 2012-01-20  Richard Guenther  <rguenther@suse.de>
772
773         PR tree-optimization/51903
774         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
775         when removing stmts.
776
777 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
778
779         PR target/50313
780         * config/arm/arm.c (arm_load_pic_register): Use
781         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
782         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
783         (arm_pic_static_addr): Likewise.
784         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
785         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
786         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
787         (pic_load_addr_unified): New.
788
789 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
790
791         PR target/51106
792         * function.c (instantiate_virtual_regs_in_insn): Use
793         delete_insn_and_edges when removing a wrong asm insn.
794
795 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
796
797         PR rtl-optimization/40761
798         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
799         Add new member loop_num.
800         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
801         (ira_build): Remove the parameter.
802
803         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
804         (ira.c): Do not build CFG loops for one region allocation.  Remove
805         argument from ira_build call.
806
807         * ira-build.c (init_loop_tree_node): New function.
808         (create_loop_tree_nodes): Use it.  Separate the case when CFG
809         loops are not built.
810         (more_one_region_p): Check current_loops.
811         (finish_loop_tree_nodes): Separate the case when CFG loops are not
812         built.
813         (add_loop_to_tree): Process loop equal to NULL too.
814         (form_loop_tree): Separate the case when CFG loops are not built.
815         Use explicitly number for the root.
816         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
817         an assertion.
818         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
819         instead of loop->num.
820         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
821         (mark_all_loops_for_removal): Ditto.
822         (remove_unnecessary_regions): Separate the case when CFG loops
823         are not built.
824         (ira_build): Remove the parameter.  Use explicit number of regions
825         when CFG loops are not built.
826
827         * ira-color.c (print_loop_title): Separate the case for the root node.
828         Use loop_num instead of loop->num.
829         (move_spill_restore): Use loop_num instead of loop->num.
830
831         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
832         (change_loop): Ditto.
833         (change_loop): Use loop_num instead of loop->num.
834
835         * ira-lives.c (process_bb_node_lives): Ditto.
836
837         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
838
839         * ira-conflicts.c (print_allocno_conflicts): Ditto.
840
841 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
842
843         PR libmudflap/40778
844         * tree-mudflap.c (mf_artificial): New function.
845         (execute_mudflap_function_ops, execute_mudflap_function_decls,
846         mx_register_decls, mudflap_enqueue_decl): Use it.
847
848         PR target/51876
849         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
850         numbers in the insn pattern.
851
852 2012-01-19  Michael Matz  <matz@suse.de>
853
854         PR tree-optimization/46590
855         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
856         use it in remembering which conflicts we already created.
857         (add_scope_conflicts): Adjust call to above, (de)allocate helper
858         bitmap.
859
860 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
861
862         PR lto/51280
863         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
864         (merge_and_complain): Same.
865
866 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
867
868         PR bootstrap/50237
869         * config/initfini-array.h: Guard content of the header
870         with #ifdef HAVE_INITFINI_ARRAY.
871         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
872         Add initfini-array.h to tm_file here.
873         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
874         * config.gcc: Don't add initfini-array.h to tm_file here.
875         * configure: Regenerated.
876
877 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
878
879         PR rtl-optimization/51505
880         * df-problems.c (df_kill_notes): New parameter live. Update comment.
881         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
882         (df_note_bb_compute): Update the call to df_kill_notes.
883
884 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
885
886         * trans-mem.c (requires_barrier): Remove call to is_global_var.
887
888 2012-01-18  Richard Guenther  <rguenther@suse.de>
889
890         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
891         of conversions to void *.
892
893 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
894             Richard Sandiford  <rdsandiford@googlemail.com>
895
896         PR middle-end/50325
897         PR middle-end/51192
898         * optabs.h (simplify_expand_binop): Declare.
899         * optabs.c (simplify_expand_binop): Make global.
900         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
901         endian targets if the source cannot be exactly covered by word
902         mode chunks.
903
904 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
905
906         PR bootstrap/51872
907         * hard-reg-set.h (struct hard_reg_set_container): New type.
908         * target.h (struct hard_reg_set_container): Forward declare.
909         * target.def (set_up_by_prologue): New target hook.
910         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
911         * doc/tm.texi: Regenerated.
912         * function.c (thread_prologue_and_epilogue_insns): Change
913         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
914         Call targetm.set_up_by_prologue on it.
915         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
916         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
917
918 2012-01-17  Nick Clifton  <nickc@redhat.com>
919
920         * config/rx/rx.c (rx_can_use_simple_return): New function.
921         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
922         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
923
924 2012-01-17  Richard Guenther  <rguenther@suse.de>
925
926         PR middle-end/51782
927         * expr.c (expand_assignment): Take address-space information
928         from the address operand of MEM_REF and TARGET_MEM_REF.
929         (expand_expr_real_1): Likewise.
930
931 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
932
933         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
934         reload dump is requested.
935
936 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
937
938         PR other/51165
939         * trans-mem.c (requires_barrier): Call may_be_aliased.
940
941 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
942
943         PR tree-optimization/51877
944         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
945         call arguments and fndecls compare equal, instead return false if they
946         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
947         both SSA_NAMEs that are valueized the same, or they satisfy
948         operand_equal_p.
949
950 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
951
952         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
953         Solaris 11+.
954         * configure: Regenerate.
955
956 2012-01-16  Jan Hubicka  <jh@suse.cz>
957
958         PR c/12245
959         PR c++/14179
960         * convert.c (convert_to_integer): Use fold_convert for
961         converting an INTEGER_CST to integer type.
962
963 2012-01-16  Jason Merrill  <jason@redhat.com>
964
965         PR c++/14179
966         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
967
968 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
969
970         PR bootstrap/51860
971         * config/s390/s390.c (s390_chunkify_start): Don't skip
972         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
973         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
974         If insn is followed by NOTE_INSN_VAR_LOCATION or
975         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
976         Don't use location of note insns.
977
978         PR tree-optimization/51865
979         * tree-inline.c (tree_function_versioning): Call remap_decl
980         on DECL_RESULT whenever it has VOID_TYPE_P type.
981
982 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
983
984         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
985         for calls to locally-binding MIPS16 functions if only the return
986         type uses float regs.
987
988 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
989             Richard Sandiford  <rdsandiford@googlemail.com>
990
991         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
992         (SYMBOL_32_HIGH): Likewise.
993         (mips_output_tls_reloc_directive): Declare.
994         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
995         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
996         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
997         (mips_lo_relocs, mips_hi_relocs): Make extern.
998         (mips16_stub_function): Move up file.
999         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1000         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1001         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1002         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1003         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1004         (mips_get_tp): Add MIPS16 support.
1005         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1006         Generalize DTPREL and TPREL handling.
1007         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1008         Add MIPS16 TLS support.
1009         (mips_output_tls_reloc_directive): New function.
1010         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1011         * config/mips/predicates.md (symbolic_operand_with_high)
1012         (tls_reloc_operand): New predicates.
1013         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1014         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1015         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1016         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1017         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1018         (*tls_get_tp_mips16_call_<mode>): Likewise.
1019
1020 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1021
1022         PR rtl-optimization/51821
1023         * recog.c (peep2_find_free_register): Determine clobbered registers
1024         from insn pattern.
1025
1026 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1027
1028         PR target/50925
1029         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1030         * config/avr/avr.c: Likewise.
1031         * config/avr/avr.h: Likewise.
1032
1033 2012-01-13  Ian Lance Taylor  <iant@google.com>
1034
1035         PR c++/50012
1036         * tree.h (TYPE_QUALS): Add cast to int.
1037         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1038
1039 2012-01-13  Ian Lance Taylor  <iant@google.com>
1040
1041         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1042         comparing param_index to VEC_length result.
1043
1044 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1045
1046         * c-decl.c: Do not include tree-mudflap.h
1047         * tree-optimize.c: Likewise.
1048         * Makefile.in: Update dependencies.
1049
1050 2012-01-13  Richard Guenther  <rguenther@suse.de>
1051
1052         PR middle-end/8081
1053         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1054         variable-sized result always use RSO.
1055
1056 2012-01-12  DJ Delorie  <dj@redhat.com>
1057
1058         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1059         pointer type, not just the default pointer type.
1060
1061 2012-01-09  Richard Henderson  <rth@redhat.com>
1062             Denis Chertykov  <chertykov@gmail.com>
1063
1064         PR target/50925
1065         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1066         * config/avr/avr.c (avr_can_eliminate): Simplify.
1067         (avr_initial_elimination_offset): Likewise.
1068         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1069         (expand_epilogue): Likewise.
1070         (avr_legitimize_address): Gut.
1071         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1072         (avr_hard_regno_nregs): New.
1073         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1074         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1075         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1076         add soft frame pointer.
1077         (CALL_USED_REGISTERS): Likewise.
1078         (REG_CLASS_CONTENTS): Likewise.
1079         (REGISTER_NAMES): Likewise.
1080         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1081         (HARD_FRAME_POINTER_REGNUM): New.
1082         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1083         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1084         remove the HARD_FRAME_POINTER self-elimination.
1085
1086 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1087
1088         PR target/51756
1089         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1090         DECL_EXTERNAL when checking for initializers of progmem variables.
1091
1092 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1093
1094         PR tree-optimization/51799
1095         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1096         that the last operation is a type demotion.
1097
1098 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1101         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1102
1103 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1104
1105         PR bootstrap/51796
1106         * combine.c (distribute_notes): If i3 is a noreturn call,
1107         allow old_size to be equal to args_size and make sure the
1108         noreturn call gets REG_ARGS_SIZE note.
1109         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1110         on noreturn calls even when the delta is 0.
1111
1112 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1113
1114         * gcov.c (STRING_SIZE): Remove.
1115         (generate_results): Erase annotations for source files with no
1116         coverage information.
1117         (read_line): New.
1118         (output_lines): Use it.
1119
1120 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1121
1122         * gimple.h (gimplify_body): Remove first argument.
1123         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1124         pointer set here, instead just pass DATA to walk_tree.
1125         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1126         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1127         (unvisit_body): Likewise, but with unmark_visited.
1128         (gimplify_body): Remove BODY_P argument and adjust.
1129         (gimplify_function_tree): Adjust call to gimplify_body.
1130         * omp-low.c (finalize_task_copyfn): Likewise.
1131
1132 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1133
1134         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1135         (build_function_type_skip_args): Delete.
1136         * tree.c (build_function_type_skip_args): Make static and add
1137         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1138         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1139         pass it to build_function_type_skip_args.
1140         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1141         (tree_function_versioning): Likewise.
1142         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1143         build_function_decl_skip_args.
1144         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1145         and pass it to build_function_decl_skip_args/tree_function_versioning.
1146         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1147         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1148         * trans-mem.c (ipa_tm_create_version): Likewise.
1149         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1150         * tree-inline.c (declare_return_variable): Remove always-true test.
1151         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1152         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1153         * ipa-split.c (split_function): Skip the return value for the split
1154         part if it doesn't return.
1155
1156 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1157
1158         PR tree-optimization/49642
1159         * ipa-split.c (forbidden_dominators): New variable.
1160         (check_forbidden_calls): New function.
1161         (dominated_by_forbidden): Likewise.
1162         (consider_split): Check for forbidden dominators.
1163         (execute_split_functions): Initialize and free forbidden
1164         dominators info; call check_forbidden_calls.
1165
1166 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1167
1168         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1169
1170 2012-01-11  Nick Clifton  <nickc@redhat.com>
1171
1172         * config/rx/rx.md (return): Define pattern.
1173
1174 2012-01-11  Richard Guenther  <rguenther@suse.de>
1175
1176         * doc/extend.texi (malloc attribute): Adjust according to
1177         implementation.
1178
1179 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1180             Patrick Marlier  <patrick.marlier@gmail.com>
1181
1182         PR middle-end/51516
1183         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1184         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1185         (ipa_tm_note_irrevocable): Same.
1186         (ipa_tm_scan_irr_block): Same.
1187         (ipa_tm_decrement_clone_counts): Same.
1188         (ipa_tm_scan_irr_function): Same.
1189         (ipa_tm_create_version_alias): Same.
1190         (ipa_tm_create_version): Same.
1191         (ipa_tm_transform_calls_redirect): Same.
1192         (ipa_tm_transform_calls): Same.
1193         (ipa_tm_transform_transaction): Same.
1194         (ipa_tm_execute): Same.
1195
1196 2012-01-10  Richard Guenther  <rguenther@suse.de>
1197
1198         PR middle-end/51806
1199         * opts.c (common_handle_option): Handle -Werror.
1200
1201 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1202
1203         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1204         operand number.
1205
1206 2012-01-10  Jason Merrill  <jason@redhat.com>
1207
1208         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1209         information.
1210
1211 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1212
1213         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1214         supports R_386_TLS_GD_PLT reloc.
1215         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1216         supports R_386_TLS_LDM_PLT reloc.
1217         * configure: Regenerate.
1218         * config.in: Regenerate.
1219
1220 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1221
1222         PR target/49868
1223         Extend __pgmx semantics to linearize memory.
1224         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1225         determine if code comes inline or from libgcc.
1226         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1227         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1228         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1229         (movmemx_qi, movmemx_hi): New insns.
1230         (xload_<mode>_libgcc): Rewrite to new insn condition.
1231         (xload_<mode>): Remove insns.
1232         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1233         cases that don't satisfy avr_xload_libgcc_p().
1234         (avr_addr_space_convert): Allow converting in any direction.
1235         (avr_addr_space_subset_p): Return always true.
1236         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1237         (avr_emit_movmemhi): Ditto.
1238         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1239         (avr_out_movmem): Ditto.
1240         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1241         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1242         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1243         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1244         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1245
1246 2012-01-10  Richard Guenther  <rguenther@suse.de>
1247
1248         PR tree-optimization/50913
1249         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1250         Require data-refs to be representable by Graphite with respect
1251         to any loop nest.
1252
1253 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1254
1255         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1256         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1257
1258 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1259
1260         PR rtl-optimization/51271
1261         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1262         handling annulled branch.
1263
1264 2012-01-10  Richard Henderson  <rth@redhat.com>
1265
1266         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1267         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1268         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1269         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1270         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1271         arm_expand_vec_perm_const): New.
1272         * config/arm/arm-protos.h: Update.
1273         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1274         (*neon_vswp<VDQX>): New.
1275         (neon_vcombine<VDX>): Use neon_split_vcombine.
1276         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1277         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1278         (vec_perm<VE>): New.
1279
1280 2012-01-10  Richard Henderson  <rth@redhat.com>
1281
1282         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1283         use it if reload_completed.
1284         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1285         arm_output_asm_insn, arm_process_output_memory_barrier,
1286         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1287         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1288         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1289         arm_process_output_sync_insn, arm_output_sync_insn,
1290         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1291         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1292         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1293         (emit_unlikely_jump): New.
1294         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1295         (arm_split_atomic_op): New.
1296         * config/arm/arm-protos.h: Update.
1297         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1298         (struct arm_sync_generator): Remove.
1299         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1300         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1301         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1302         (VUNSPEC_LL, VUNSPEC_SC): New.
1303         (sync_result, sync_memory, sync_required_value, sync_new_value,
1304         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1305         (attr length): Don't use arm_sync_loop_insns.
1306         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1307         (movsfcc, movdfcc): Likewise.
1308         * config/arm/constraints.md (Ua): New.
1309         * config/arm/prediates.md (mem_noofs_operand): New.
1310         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1311         (sync_clobber, sync_t2_reqd): Remove.
1312         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1313         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1314         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1315         (arm_sync_compare_and_swap<SIDI>): Remove.
1316         (arm_sync_compare_and_swap<NARROW>): Remove.
1317         (arm_sync_lock_test_and_set<SIDI>): Remove.
1318         (arm_sync_lock_test_and_set<NARROW>): Remove.
1319         (arm_sync_new_<syncop><SIDI>): Remove.
1320         (arm_sync_new_<syncop><NARROW>): Remove.
1321         (arm_sync_new_nand<SIDI>): Remove.
1322         (arm_sync_new_nand<NARROW>): Remove.
1323         (arm_sync_old_<syncop><SIDI>): Remove.
1324         (arm_sync_old_<syncop><NARROW>): Remove.
1325         (arm_sync_old_nand<SIDI>): Remove.
1326         (arm_sync_old_nand<NARROW>): Remove.
1327         (*memory_barrier): Merge arm_output_memory_barrier.
1328         (atomic_compare_and_swap<QHSD>): New.
1329         (atomic_compare_and_swap<NARROW>_1): New.
1330         (atomic_compare_and_swap<SIDI>_1): New.
1331         (atomic_exchange<QHSD>): New.
1332         (cas_cmp_operand, cas_cmp_str): New.
1333         (atomic_op_operand, atomic_op_str): New.
1334         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1335         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1336         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1337         (arm_load_exclusive<NARROW>): New.
1338         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1339         (arm_store_exclusive<QHSD>): New.
1340
1341 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1342
1343         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1344         reload patterns if -mvsx-scalar-memory.
1345
1346         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1347         generated, even -mno-vsx-scalar-double was used.
1348         (vsx_xscvdpsp_scalar): Likewise.
1349         (vsx_xscvspdp_scalar2): Likewise.
1350
1351 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1352             Andrew Pinski  <apinski@cavium.com>
1353
1354         PR debug/51471
1355         * reorg.c (fill_slots_from_thread): Don't speculate
1356         frame-related insns.
1357
1358 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1359
1360         * sched-int.h (bb_note): Move to...
1361         * basic-block.h: ...here.
1362         * haifa-sched.c (bb_note): Move to...
1363         * cfgrtl.c: ...here.
1364         * function.c (next_block_for_reg): New function.
1365         (move_insn_for_shrink_wrap): Likewise.
1366         (prepare_shrink_wrap): Rewrite to use the above.
1367
1368 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1369
1370         * gimple.c (is_gimple_non_addressable): Remove.
1371         * gimple.h: Remove is_gimple_non_addressable.
1372         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1373         is_gimple_non_addressable.
1374         * trans-mem.c (expand_assign_tm): Same.
1375
1376 2012-01-09  Richard Guenther  <rguenther@suse.de>
1377
1378         PR tree-optimization/51775
1379         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1380         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1381
1382 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1383
1384         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1385         tuning parameters.
1386         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1387
1388 2012-01-09  Richard Guenther  <rguenther@suse.de>
1389
1390         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1391
1392 2012-01-08  Jan Hubicka  <jh@suse.cz>
1393
1394         PR tree-optimize/51680
1395         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1396         on when known_vals needs to be computed; cleanup.
1397
1398 2012-01-08  Jan Hubicka  <jh@suse.cz>
1399
1400         PR tree-optimize/51694
1401         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1402
1403 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1404
1405         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1406         for -std=c++98 and -std=c++11 too.
1407
1408 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1409
1410         * cfgloop.c (cancel_loop): Add free() of bbs array.
1411
1412 2012-01-07  Jan Hubicka  <jh@suse.cz>
1413
1414         PR tree-optimization/51600
1415         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1416         that benefits small functions.
1417
1418 2012-01-07  Jan Hubicka  <jh@suse.cz>
1419
1420         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1421
1422 2012-01-07  Jan Hubicka  <jh@suse.cz>
1423
1424         PR tree-optimization/51680
1425         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1426         whose inlining reduce unit size.
1427
1428 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1429
1430         PR bootstrap/51725
1431         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1432         Add canonical node to containing_mem chain after the non-canonical
1433         one, even if there weren't any locs to propagate.
1434         (remove_useless_values): Keep only canonical values.
1435         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1436         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1437         canonicalize mem_chain elements that are not discarded.
1438
1439 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1440
1441         PR target/47333
1442         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1443         before emitting functions.
1444
1445         PR gcov-profile/50127
1446         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1447         clear_aux_for_blocks.
1448
1449 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1450
1451         PR debug/51746
1452         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1453
1454 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1455
1456         * c-decl.c (ext_block): Moved up.
1457         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1458
1459 2012-01-06  Han Shen  <shenhan@google.com>
1460
1461         Translate built-in include paths for sysroot.
1462         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1463         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1464
1465         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1466         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1467
1468         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1469         control whether sysroot should be prepended to gxx include dir.
1470
1471         * configure: Regenerate.
1472
1473 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1474
1475         PR rtl-optimization/51771
1476         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1477         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1478
1479 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1480
1481         PR tree-optimization/51315
1482         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1483         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1484
1485 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         PR target/51681
1488         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1489         for shrp pattern.  Correctly handle and fixup shift variable.
1490         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1491
1492 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1493
1494         PR debug/51762
1495         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1496         note when !ACCUMULATE_OUTGOING_ARGS.
1497
1498 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1499
1500         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1501         condition.
1502         (extract_range_from_unary_expr_1): Avoid useless computations.
1503
1504 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1505
1506         PR rtl-optimization/51767
1507         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1508         of jump_block and add an extra edge for degenerated asm gotos.
1509
1510         PR middle-end/51768
1511         * stmt.c (check_unique_operand_names): Don't ICE during error
1512         reporting if i is from labels chain.
1513
1514         PR middle-end/44777
1515         * profile.c (branch_prob): Split bbs that have exit edge
1516         and need a fake entry edge too.
1517
1518 2012-01-05  Jan Hubicka  <jh@suse.cz>
1519
1520         PR middle-end/49710
1521         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1522         unlooping loops.
1523
1524 2012-01-05  Richard Guenther  <rguenther@suse.de>
1525
1526         PR lto/50490
1527         * tree-streamer-out.c (write_ts_optimization): New function.
1528         (streamer_write_tree_body): Call it.
1529         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1530         (streamer_read_tree_body): Call it.
1531         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1532
1533 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1534
1535         PR middle-end/51761
1536         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1537         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1538         in_cleanup_point_expr before gimplify_stmt call and restore it
1539         afterwards.
1540         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1541         in_cleanup_point_expr is false.
1542
1543 2012-01-05  Richard Guenther  <rguenther@suse.de>
1544
1545         PR middle-end/51764
1546         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1547         to c.opt.
1548         * toplev.c (process_options): Reject combining mudflap and LTO.
1549         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1550
1551 2012-01-05  Richard Guenther  <rguenther@suse.de>
1552
1553         PR tree-optimization/51760
1554         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1555         not VARYING.
1556         (bit_value_unop): Handle UNDEFINED operands.
1557         (bit_value_binop): Likewise.
1558
1559 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1560
1561         * config/avr/avr.c (avr_replace_prefix): Remove.
1562         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1563         (avr_asm_function_rodata_section): Ditto.
1564         (avr_asm_select_section): Ditto.
1565
1566 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1567
1568         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1569         insertion.
1570
1571 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1572
1573         PR bootstrap/51648
1574         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1575         calls that have any non-fake successor edges.
1576
1577         PR debug/51746
1578         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1579
1580 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1581
1582         PR tree-optimization/51624
1583         * tree-sra.c (build_ref_for_model): When replicating a chain of
1584         COMPONENT_REFs, stop as soon as the offset would become negative.
1585
1586 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1587
1588         PR debug/51695
1589         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1590         in .debug_loc on the floor.
1591
1592 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1593
1594         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1595
1596 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1597             Adam Nemet  <anemet@caviumnetworks.com>
1598
1599         * config/mips/mips.md (size): Add SI and DI.
1600         (SIZE): New mode attribute.
1601         (U): New code attribute.
1602         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1603         (mips_lbux_<mode>): Delete.
1604         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1605         (mips_lhx): Use gen_mips_lhx_extsi.
1606         (mips_lhx_<mode>): Delete.
1607         (mips_lwx): Delete.
1608         (mips_l<size>x): New expand.
1609         (mips_lwx_<mode>): Delete.
1610         (mips_l<GPR:size>x_<P:mode>): New pattern.
1611         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1612         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1613         * config/mips/mips.c (mips_lx_address_p): New function.
1614         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1615         (dsp64): New availability predicate.
1616         (mips_builtins): Add an entry for __builtin_mips_ldx.
1617         * config/mips/mips.h (ISA_HAS_LBX): New define.
1618         (ISA_HAS_LBUX): Likewise.
1619         (ISA_HAS_LHX): Likewise.
1620         (ISA_HAS_LHUX): Likewise.
1621         (ISA_HAS_LWX): Likewise.
1622         (ISA_HAS_LWUX): Likewise.
1623         (ISA_HAS_LDX): Likewise.
1624         * doc/extend.texi (__builtin_mips_ldx): Document.
1625
1626 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1627
1628         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1629         when long pointers are used.
1630         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1631         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1632         (ia64-hp-*vms*): Remove.
1633         * config/vms/xm-vms64.h: Delete.
1634
1635 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1636
1637         PR middle-end/51472
1638         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1639
1640 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1641
1642         * opts.c (finish_options): Remove duplicate sorry.
1643
1644 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1645
1646         PR middle-end/51696
1647         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1648         correctly.
1649
1650 2012-01-04  Richard Guenther  <rguenther@suse.de>
1651
1652         PR middle-end/51750
1653         * tree.c (size_low_cst): New function.
1654         * tree.h (size_low_cst): Declare.
1655         * fold-const.c (fold_comparison): Use it to extract the low
1656         part of the POINTER_PLUS_EXPR offset.
1657
1658 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1659
1660         Fix clearing ZERO_REG
1661         * config/avr/avr.md (cc): Add alternative "ldi".
1662         (movqi_insn): Use it in cc attribute.
1663         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1664         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1665         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1666
1667 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1668
1669         * configure: Regenerate.
1670
1671 2012-01-04  Richard Guenther  <rguenther@suse.de>
1672
1673         PR tree-optimization/49651
1674         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1675         (var_can_have_subvars): Use it.
1676         (get_constraint_for_1): Only consider subfields if there can be any.
1677
1678 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1679
1680         PR bootstrap/51725
1681         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1682         to its new canonical_cselib_val and the cselib_val was in
1683         first_containing_mem chain, but the canonical_cselib_val was not,
1684         add the latter into the chain.
1685         (cselib_invalidate_mem): Compare canonical_cselib_val of
1686         addr_list chain elt with v.
1687
1688         PR pch/51722
1689         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1690         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1691         of xstrdup.
1692         (output_macinfo_op): Don't ggc_strdup fd->filename.
1693         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1694         then ggc_strdup it.  Don't free inc->info or cur->info.
1695         (output_macinfo): Don't free ref->info or file->info.
1696
1697 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1698
1699         PR tree-optimization/51269
1700         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1701         first_niters a pointer.
1702         (slpeel_tree_peel_loop_to_edge): Likewise.
1703         (vect_do_peeling_for_loop_bound): Update call to
1704         slpeel_tree_peel_loop_to_edge.
1705         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1706         here.  Remove it from the parameters list.
1707         (vect_do_peeling_for_alignment): Update calls and compute
1708         wide_prolog_niters.
1709
1710 2012-01-03  Richard Guenther  <rguenther@suse.de>
1711
1712         PR tree-optimization/51070
1713         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1714         Properly handle calls.
1715
1716 2012-01-03  Richard Guenther  <rguenther@suse.de>
1717
1718         PR tree-optimization/51692
1719         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1720         the LHS of allocation stmts.
1721
1722 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1723
1724         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1725
1726 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1727
1728         * collect2.c (main): In AIX specific computations for vector
1729         insertions, use CONST_CAST2 to cast from char ** to const char **.
1730
1731 2012-01-03  Richard Guenther  <rguenther@suse.de>
1732
1733         PR debug/51650
1734         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1735         the context of a limbo DIE when it does not already exist.
1736
1737 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1738
1739         PR tree-optimization/51719
1740         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1741         but direct call is, clear direct call's lhs and don't add fallthrough
1742         edge from dcall_bb to join_bb and PHIs.
1743
1744 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1745
1746         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1747         the instructions emitted by the pattern.
1748         ("*TDC_insn_<mode>"): Add comment.
1749
1750 2012-01-03  Richard Guenther  <rguenther@suse.de>
1751
1752         PR middle-end/51730
1753         * fold-const.c (fold_comparison): Properly canonicalize
1754         tree offset and HOST_WIDE_INT bit position.
1755
1756 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1757
1758         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1759         operands for extzv pattern.
1760
1761 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1762
1763         PR bootstrap/51725
1764         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1765         on mem_elt first.
1766
1767 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1768
1769         * doc/invoke.texi (-flto and related options): Copy-edit.
1770
1771 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1772
1773         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1774
1775 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1776
1777         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1778         New patterns.
1779
1780 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1781
1782         * expr.h (move_by_pieces_ninsns): Declare.
1783         * expr.c (move_by_pieces_ninsns): Make external.
1784         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1785         (mips_store_by_pieces_p): Likewise.
1786         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1787         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1788         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1789         (mips_store_by_pieces_p): Likewise.
1790
1791 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1792
1793         * passes.c (register_one_dump_file): Free full_name.
1794
1795         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1796         (calculate_elim_costs_all_insns): Free offsets_at and
1797         offsets_known_at at the end and clear the pointers.
1798
1799 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1800
1801         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1802         this option introduced in r180739.
1803
1804 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1805
1806         PR target/51345
1807         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1808         (tmake_file target=avr): Add avr/t-multilib.
1809
1810         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1811         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1812         * config/avr/genmultilib.awk: New file.
1813         * config/avr/t-multilib: New auto-generated file.
1814         * config/avr/multilib.h: New auto-generated file.
1815         * config/avr/t-avr (AVR_MCUS): New variable.
1816         (genopt.sh): Use it.
1817         (s-mlib): Depend on t-multilib.
1818         (t-multilib, multilib.h): New dependencies.
1819         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1820         (MULTILIB_OPTIONS): Remove.
1821         (MULTILIB_MATCHES): Remove.
1822         (MULTILIB_DIRNAMES): Remove.
1823         (MULTILIB_EXCEPTIONS): Remove:
1824         * config/avr/genopt.sh: Don't use hard coded file name;
1825         pass AVR_MCUS from t-avr instead.
1826
1827 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1828
1829         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1830
1831 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1832
1833         Implement light-weight DImode support.
1834         * config/avr/avr-dimode.md: New file.
1835         * config/avr/avr.md: Include it.
1836         (adjust_len): Add plus64, compare64.
1837         (HIDI): Remove code iterator.
1838         (code_stdname): New code attribute.
1839         (rotx, rotsmode): Remove DI.
1840         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1841         as code iterator.
1842         * config/avr/avr-protos.h (avr_have_dimode): New.
1843         (avr_out_plus64, avr_out_compare64): New.
1844         * config/avr/avr.c (avr_out_compare): Handle DImode.
1845         (avr_have_dimode): New variable definition and initialization.
1846         (avr_out_compare64, avr_out_plus64): New functions.
1847         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1848         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1849         (avr_compare_pattern): Skip DImode comparisons.
1850
1851 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1852
1853         * ddg.c (def_has_ccmode_p): New function.
1854         (add_cross_iteration_register_deps,
1855         create_ddg_dep_from_intra_loop_link): Call it.
1856
1857 2012-01-02  Richard Guenther  <rguenther@suse.de>
1858
1859         PR other/51679
1860         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1861
1862 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1863
1864         * gcc.c (process_command): Update copyright notice dates.
1865         * gcov.c (print_version): Likewise.
1866         * gcov-dump.c (print_version): Likewise.
1867         * mips-tfile.c (main): Likewise.
1868         * mips-tdump.c (main): Likewise.
1869
1870 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1871
1872         PR tree-optimization/51704
1873         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1874         a use is inside the basic block or loop before accessing its vect info.
1875
1876 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1877
1878         PR rtl-optimization/51069
1879         * cfgloopmanip.c (remove_path): Removing path making irreducible
1880         region unconditional makes BB part of the region.
1881
1882 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1883
1884         PR tree-optimization/51683
1885         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1886         calls with side-effects.
1887         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1888 \f
1889 Copyright (C) 2012 Free Software Foundation, Inc.
1890
1891 Copying and distribution of this file, with or without modification,
1892 are permitted in any medium without royalty provided the copyright
1893 notice and this notice are preserved.