1 2012-02-07 Alan Modra <amodra@gmail.com>
4 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
7 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
9 PR tree-optimization/50969
10 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
11 use vec_perm rather than vector_stmt.
12 (vect_model_load_cost): Likewise.
13 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
14 vec_perm to be the same as other vector statements.
15 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
16 cost of vec_perm for TARGET_VSX.
18 2012-02-06 Richard Guenther <rguenther@suse.de>
20 PR tree-optimization/52115
21 * tree-sra.c (access_has_replacements_p): New function.
22 (sra_modify_assign): Use it to decide whether a use is uninitialized.
24 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
27 * trans-mem.c (expand_call_tm): Add an assertion.
28 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
31 2012-02-06 Richard Guenther <rguenther@suse.de>
33 PR tree-optimization/50955
34 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
35 raise cost of expressions that replace an address with an
36 expression based on a different pointer.
38 2012-02-06 Jakub Jelinek <jakub@redhat.com>
41 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
42 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
44 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
47 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
48 -Weffc++ and specify guidelines come from second edition.
50 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
52 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
53 (sibcall_value_multiple_internal, call_split, call_internal_direct)
54 (call_direct_split, call_value_split, call_value_internal_direct)
55 (call_value_direct_split, call_value_multiple_split): Use jal and
58 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
60 * reload1.c (reload_regs_reach_end_p): Replace with...
61 (reload_reg_rtx_reaches_end_p): ...this function.
62 (new_spill_reg_store): Update commentary.
63 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
64 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
65 before setting new_spill_reg_store.
66 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
67 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
68 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
69 for non-spill reload registers.
71 2012-02-05 Ira Rosen <irar@il.ibm.com>
73 PR tree-optimization/52091
74 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
75 (vect_is_simple_use_1): Likewise.
76 * tree-vect-loop.c (vectorizable_reduction): Update calls
77 to vect_is_simple_use_1 and vect_is_simple_use.
78 (vectorizable_live_operation): Likewise.
79 * tree-vect-patterns.c (widened_name_p,
80 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
82 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
83 vectorizable_call, vectorizable_conversion,
84 vectorizable_assignment, vectorizable_shift,
85 vectorizable_operation, vectorizable_store, vectorizable_load):
87 (vect_is_simple_cond): Add an argument, pass it to
89 (vectorizable_condition): Update calls to vect_is_simple_cond,
91 (vect_is_simple_use): Add an argument, the statement in which
92 OPERAND is used. Check that if OPERAND's def stmt is a double
93 reduction phi node, the use is a phi node too.
94 (vect_is_simple_use_1): Add an argument, pass it to
96 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
97 to vect_is_simple_use.
99 2012-02-04 Jakub Jelinek <jakub@redhat.com>
101 PR rtl-optimization/52095
102 * modulo-sched.c (dump_insn_locator): New function.
103 (loop_canon_p, sms_schedule): Use it.
105 PR rtl-optimization/52113
106 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
107 even for decomposable shift/zext insns.
109 2012-02-03 Jakub Jelinek <jakub@redhat.com>
110 Zdenek Dvorak <ook@ucw.cz>
112 PR rtl-optimization/52092
113 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
114 on get_iv_value result.
116 2012-02-02 Andrew Pinski <apinski@cavium.com>
120 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
122 2012-02-02 Jakub Jelinek <jakub@redhat.com>
125 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
127 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
129 PR rtl-optimization/49800
130 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
131 (sched_finish): Call regstat_free_n_sets_and_refs.
133 2012-02-02 Jia Liu <proljc@gmail.com>
135 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
138 2012-02-02 Jan Hubicka <jh@suse.cz>
139 Tom de Vries <tom@codesourcery.com>
142 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
143 * varpool.c (varpool_analyze_pending_decls): Likewise.
145 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
146 Jayant R Sonar <jayant.sonar@kpitcummins.com>
148 * config.gcc: Add cr16-* support.
150 * doc/extend.texi: Document cr16 extensions.
151 * doc/install.texi: Document cr16 install.
152 * doc/invoke.texi: Document cr16 options.
153 * doc/md.texi: Document cr16 constraints.
155 * common/config/cr16/cr16-common.c: New file.
156 * config/cr16/cr16.c: New file.
157 * config/cr16/cr16.h: New file.
158 * config/cr16/cr16.md: New file.
159 * config/cr16/cr16.opt: New file.
160 * config/cr16/cr16-protos.h: New file.
161 * config/cr16/predicates.md: New file.
162 * config/cr16/constraints.md: New file.
163 * config/cr16/t-cr16: New file.
165 2012-02-02 Jakub Jelinek <jakub@redhat.com>
168 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
169 that operands[2] is either immediate, or q_regs_operand.
171 PR tree-optimization/52073
172 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
173 a pattern stmt for pattern uses, ignore uses outside of the loop.
175 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
177 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
178 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
179 (OUT_AS1, OUT_AS2): Remove.
181 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
183 PR rtl-optimization/51374
184 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
185 to cross other volatile_refs_p insns.
187 2012-02-01 Richard Guenther <rguenther@suse.de>
189 * doc/invoke.texi (fno-inline): Clarify documentation.
190 (finline-small-functions): Likewise.
191 (finline-functions): Likewise.
192 * common.opt (finline): Adjust comment and documentation.
193 (finline-small-functions): Clarify documentation.
194 (finline-functions): Likewise.
195 (finline-functions-called-once): Likewise.
197 2012-02-01 Tristan Gingold <gingold@adacore.com>
199 * c-typeck.c (composite_type): Keep mode for pointers.
201 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
203 * function.h (regno_reg_rtx): Adjust comment.
204 * reginfo.c (init_reg_modes_target): Only use the previous mode
205 if it fits within one register. Remove MIPS comment.
207 2012-01-31 Jakub Jelinek <jakub@redhat.com>
210 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
212 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
214 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
217 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
219 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
222 2012-01-31 Jakub Jelinek <jakub@redhat.com>
227 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
229 2012-01-31 Richard Guenther <rguenther@suse.de>
231 PR tree-optimization/51528
232 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
235 2012-01-31 Jakub Jelinek <jakub@redhat.com>
240 * ree.c (add_removable_extension): Change def_map argument
241 to unsigned *, store in def_map 1 + offset into *insn_list vector
242 instead of pointers into the vector.
243 (find_removable_extensions): Adjust caller.
245 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
247 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
248 Transform all "* quoted-c-code" to { c-code }.
249 Remove redundant test for "optimize" in combine patterns.
250 Move (include "avr-dimode.md") to end of file.
252 2012-01-30 Bin Cheng <bin.cheng@arm.com>
255 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
256 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
258 2012-01-30 Richard Guenther <rguenther@suse.de>
260 PR tree-optimization/52028
261 * tree-loop-distribution.c (ldist_gen): Properly update
264 2012-01-30 Jakub Jelinek <jakub@redhat.com>
267 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
268 set_cur_line_info_table if not emitting debug info.
270 PR tree-optimization/52046
271 * tree-vect-patterns.c (check_bool_pattern): Give up if
272 a comparison could throw.
275 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
277 2012-01-30 Richard Guenther <rguenther@suse.de>
279 PR tree-optimization/52045
280 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
281 SSA form if cfgcleanup did anything.
283 2012-01-30 Richard Guenther <rguenther@suse.de>
285 PR tree-optimization/52045
286 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
287 before computing final todo.
289 2012-01-30 Richard Guenther <rguenther@suse.de>
291 PR tree-optimization/51528
292 * tree-sra.c (sra_modify_assign): Re-factor in preparation
295 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
297 * df-problems.c (df_kill_notes): Check that the use refers
298 to the note under examination.
300 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
303 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
304 parameter and use short-lived pseudos.
305 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
306 (sparc_expand_vector_init): Const-ify local variables and adjust
307 calls to above functions.
309 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
311 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
313 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
315 * doc/invoke.texi: Make usage of "compile time" and
316 "run time"/"runtime" consistent throughout the file.
318 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
320 * config/alpha/alpha.c (alpha_option_overrride): Default to
321 full IEEE compliance mode for Go language.
323 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
325 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
326 (LINK_SSP_SPEC): Define.
328 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
331 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
334 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
336 * doc/invoke.texi: Correct hyphenation of "floating point",
337 "double precision", and related terminology throughout the file.
339 2012-01-28 Jakub Jelinek <jakub@redhat.com>
342 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
343 arm_general_register_operand predicate for operand 2 instead of
346 2012-01-27 Ian Lance Taylor <iant@google.com>
349 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
350 * builtins.c (expand_builtin_init_trampoline): Add onstack
351 parameter. Change caller.
352 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
353 * tree.c (build_common_builtin_nodes): Declare
354 __builtin_init_heap_trampoline.
356 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
358 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
359 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
360 * config/avr/avr.c: Ditto.
361 (avr_regnames): Remove because unused.
362 * config/avr/avr.md (*cpse.ne): New peephole.
363 (*cpse.eq): New peephole from former cpse peepholes.
365 2012-01-27 Michael Eager <eager@eagercon.com>
367 * config/microblaze.c (microblaze_emit_compare): Correct
368 test after pcmp instruction.
370 2012-01-27 Richard Guenther <rguenther@suse.de>
372 PR tree-optimization/52020
373 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
375 2012-01-27 Richard Guenther <rguenther@suse.de>
377 * ipa-pure-const.c (check_stmt): Clobbers do not make a
378 function non-const/pure.
380 2012-01-27 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/50444
383 * tree-sra.c (build_ref_for_offset): Properly adjust the
384 MEM_REF type for unaligned accesses.
386 2012-01-27 Richard Guenther <rguenther@suse.de>
388 PR tree-optimization/50444
389 * expr.c (mem_ref_refers_to_non_mem_p): New function.
390 (expand_assignment): Use it. Properly handle misaligned
391 bases when expanding stores to component references.
392 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
395 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
398 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
399 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
400 * tree-data-ref.c (find_data_references_in_loop): Make static.
401 (compute_all_dependences): Change return type to bool. Bail out
402 for too many datarefs in a loop. Move the hunk resetting the data
403 dependences vector from ...
404 (compute_data_dependences_for_loop): ... here. Account for
405 compute_all_dependences returning false.
406 (compute_data_dependences_for_bb): Likewise.
407 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
408 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
410 2012-01-27 Richard Guenther <rguenther@suse.de>
413 * expr.c (store_field): Use the alias-set of the scratch memory
416 2012-01-27 Tom de Vries <tom@codesourcery.com>
418 PR tree-optimization/51990
419 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
421 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
423 2012-01-27 Jakub Jelinek <jakub@redhat.com>
426 * var-tracking.c (reverse_op): Don't add any reverse operation
427 if V already has any constant locations.
429 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
431 * doc/invoke.texi: Correct usage of "command line" (noun)
432 vs "command-line" (adjective) throughout.
434 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
436 * doc/invoke.texi (Language Independent Options): Move
437 -Wcoverage-mismatch blurb from here....
438 (Warning Options): ...to here.
440 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
442 * config/rs6000/rs6000.c (rs6000_option_override_internal):
443 Set rs6000_always_hint to false for 476.
445 2012-01-27 Matthias Klose <doko@ubuntu.com>
447 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
449 * incpath.c (add_standard_paths): Likewise.
451 2012-01-27 Richard Henderson <rth@redhat.com>
453 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
454 * config/m68k/sync.md (atomic_test_and_set): Rename from
455 sync_test_and_setqi and adjust the operands.
456 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
457 and unconditionally enable.
459 2012-01-27 Richard Henderson <rth@redhat.com>
461 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
462 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
463 (ldstub): Rename from ldstubqi.
464 (ldstub<I24MODE>): Remove.
466 2012-01-27 Richard Henderson <rth@redhat.com>
468 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
469 * c-cppbuiltin.c (cpp_atomic_builtins): Define
470 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
471 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
472 * doc/tm.texi: Rebuild.
474 2012-01-27 Richard Henderson <rth@redhat.com>
476 * optabs.c (gen_atomic_test_and_set): Remove default.
477 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
479 2012-01-26 Jakub Jelinek <jakub@redhat.com>
481 PR rtl-optimization/51978
482 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
483 (combine_reaching_defs): Likewise.
484 (struct re_info): Remove.
485 (add_removable_extension): Remove x and data arguments,
486 add insn, insn_list and def_map. Use the arguments directly
487 instead of using struct re_info.
488 (find_removable_extensions): Don't call add_removable_extension
489 through note_stores, instead just call it with single_set
491 (find_and_remove_re): Pass curr_cand->expr instead of
492 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
494 2012-01-26 Michael Matz <matz@suse.de>
496 PR tree-optimization/46590
497 * cfgexpand.c: Revert last change (r183305).
498 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
500 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
501 checking for emptiness.
503 2012-01-26 Jakub Jelinek <jakub@redhat.com>
506 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
507 non-addressable non-BLKmode base correctly.
509 2012-01-26 Michael Matz <matz@suse.de>
511 PR tree-optimization/48794
512 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
513 regions referenced from RESX/EH_DISPATCH.
515 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
517 * config/s390/s390.h: Make BRANCH_COST an option.
518 * config/s390/s390.opt: New option -mbranch-cost.
520 2012-01-26 Richard Henderson <rth@redhat.com>
522 Revert 2012-01-24 change:
523 * trans-mem.c (requires_barrier): Do not instrument thread local
524 variables and emit save/restore for them.
526 2012-01-25 Jakub Jelinek <jakub@redhat.com>
529 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
532 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
534 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
537 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
540 Rename __pgm to __flash.
541 Rename __pgm1 to __flash1.
542 Rename __pgm2 to __flash2.
543 Rename __pgm3 to __flash3.
544 Rename __pgm4 to __flash4.
545 Rename __pgm5 to __flash5.
546 Rename __pgmx to __memx.
547 * doc/extend.texi (AVR Named Address Spaces)
548 Rename address space names as indicated above.
549 * config/avr/avr.c (avr_addrspace): Ditto.
551 * config/avr/avr-protos.h
552 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
553 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
554 * config/avr/predicates.md: Ditto.
555 * config/avr/avr.c Ditto, and
556 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
557 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
559 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
560 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
561 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
562 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
563 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
564 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
565 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
566 * config/avr/avr.c: Ditto.
567 * config/avr/avr.md: Ditto.
569 2012-01-25 Jason Merrill <jason@redhat.com>
572 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
574 2012-01-25 Jakub Jelinek <jakub@redhat.com>
576 PR tree-optimization/51987
577 * tree-data-ref.c (get_references_in_stmt): Handle references in
578 non-volatile GIMPLE_ASM.
580 2012-01-25 Richard Guenther <rguenther@suse.de>
582 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
583 bases are dereferenced.
585 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
587 PR rtl-optimization/48374
588 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
590 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
592 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
593 compute_data_dependences_for_loop returns false.
594 * tree-parloops.c (loop_parallel_p): Likewise.
596 2012-01-25 Richard Guenther <rguenther@suse.de>
598 * tree.h (get_pointer_alignment_1): Declare.
599 * builtins.c (get_pointer_alignment_1): New function.
600 (get_pointer_alignment): Use it.
602 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
604 PR rtl-optimization/48308
605 * combine.c (enum undo_kind): Add UNDO_LINKS.
606 (struct undo): Add member l to other_contents and where.
607 (do_SUBST_LINK): New.
609 (try_combine): Handle LOG_LINKS for the dummy i1 case.
610 (undo_all): Handle UNDO_LINKS.
612 2012-01-25 Richard Henderson <rth@redhat.com>
614 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
617 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
619 * optabs.c (gen_atomic_test_and_set): Use each argument.
621 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
623 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
624 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
625 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
626 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
627 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
628 TARGET_PAIRED_SINGLE_FLOAT.
630 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
632 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
633 (in_struct, return_val): Remove MEM documentation.
634 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
635 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
636 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
638 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
639 * cfgexpand.c (add_alias_set_conflicts): Likewise.
640 * expr.c (store_field): Likewise.
641 * function.c (assign_stack_temp_for_type): Likewise.
642 * ifcvt.c (noce_try_cmove_arith): Likewise.
643 * reload1.c (reload): Likewise.
644 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
645 (alpha_set_memflags): Likewise.
646 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
648 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
650 * rtl.h (true_dependence, canon_true_dependence): Remove varies
652 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
653 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
654 (true_dependence_1, true_dependence, canon_true_dependence): Remove
656 * cselib.c (cselib_rtx_varies_p): Delete.
657 (cselib_invalidate_mem): Update call to canon_true_dependence.
658 * dse.c (record_store, check_mem_read_rtx): Likewise.
659 (scan_reads_nospill): Likewise.
660 * cse.c (check_dependence): Likewise.
661 (cse_rtx_varies_p): Delete.
662 * expr.c (safe_from_p): Update call to true_dependence.
663 * ira.c (validate_equiv_mem_from_store): Likewise.
664 (memref_referenced_p): Likewise.
665 * postreload-gcse.c (find_mem_conflicts): Likewise.
666 * sched-deps.c (sched_analyze_2): Likewise.
667 * store-motion.c (load_kills_store): Likewise.
668 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
669 * gcse.c (mems_conflict_for_gcse_p): Likewise.
670 (compute_transp): Update call to canon_true_dependence.
672 2012-01-25 Richard Henderson <rth@redhat.com>
674 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
675 (maybe_emit_atomic_test_and_set): New.
676 (expand_sync_lock_test_and_set): Use it.
677 (expand_atomic_test_and_set): Likewise.
678 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
679 the implementation; clarify implementation defined details.
680 * doc/md.texi (atomic_test_and_set): Document.
682 2012-01-25 Richard Henderson <rth@redhat.com>
684 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
686 2012-01-25 Richard Henderson <rth@redhat.com>
689 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
690 to effect no-op split.
692 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
695 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
696 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
697 (BT_FN_VOID_PTR_INT_SIZE): New.
698 (BT_FN_UINT_UINT_VAR): Remove.
699 (BT_FN_UINT32_UINT32_VAR): New.
700 (BT_FN_DOUBLE_VPTR): Remove.
701 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
703 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
704 (_ITM_changeTransactionMode): Same.
705 (_ITM_memmoveRtWt): Change return type to void.
706 (_ITM_memcpyRtWt): Same.
707 (_ITM_memsetW): Same.
708 (_ITM_RaRD): Change types to double.
713 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
715 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
716 Patrick Marlier <patrick.marlier@gmail.com>
718 * trans-mem.c (requires_barrier): Do not instrument thread local
719 variables and emit save/restore for them.
721 2012-01-24 Jason Merrill <jason@redhat.com>
724 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
725 output static aliases.
727 2012-01-24 Jakub Jelinek <jakub@redhat.com>
730 * common.opt (-pie, -shared, pie, shared): Change from Common to
732 * gcc.c (display_help): Display help for -pie and -shared.
734 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
737 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
738 Remove note on size/offset limitation.
739 (AVR Variable Attributes): Add example how to read data located
740 with progmem. Refer to named address spaces.
741 * doc/invoke.texi (AVR Options): Fix typo.
743 2012-01-24 Richard Guenther <rguenther@suse.de>
745 Forward-port to trunk
746 2010-09-21 Jakub Jelinek <jakub@redhat.com>
749 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
750 op0 isn't sufficiently aligned and there is movmisalignM
751 insn for mode, use it to load op0 into a temporary register.
753 2012-01-24 Jakub Jelinek <jakub@redhat.com>
756 * target.def (const_not_ok_for_debug_p): New hook.
757 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
759 * doc/tm.texi: Regenerated.
760 * dwarf2out.c (const_ok_for_output_1): If
761 targetm.const_not_ok_for_debug_p returns true, fail.
762 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
764 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
766 2012-01-23 Kai Tietz <ktietz@redhat.com>
769 * config/i386/predicates.md (symbolic_operand): Allow
770 UNSPEC_PCREL as PIC expression for lea.
771 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
772 * config/i386/i386.c (ix86_delegitimize_address): Handle
773 UNSPEC_PCREL for none-MEM, too.
775 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
777 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
778 (ipa_tm_create_version_alias): Same.
780 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
783 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
784 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
786 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
787 Patrick Marlier <patrick.marlier@gmail.com>
788 Iain Sandoe <developer@sandoe-acoustics.co.uk>
791 * lto-wrapper.c (run_gcc): Pass the LTO section name to
792 simple_object_start_read.
794 2012-01-23 Richard Guenther <rguenther@suse.de>
797 PR tree-optimization/51895
798 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
799 parameter decomposition into BLKmode components.
801 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
803 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
804 fake variables for restrict-qualified pointers whose pointed-to type
805 contains a placeholder.
807 2012-01-23 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/51949
810 * ipa-split.c (execute_split_functions): Do not split malloc functions.
812 2012-01-23 Jakub Jelinek <jakub@redhat.com>
814 PR rtl-optimization/51933
815 * ree.c (transform_ifelse): Return true right away if dstreg is
816 already wider or equal to cand->mode.
817 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
818 (make_defs_and_copies_lists): Remove defs_list and copies_list
819 arguments, add state argument, just truncate state->work_list
820 instead of always allocating and freeing the vector. Assert that
821 get_defs succeeds instead of returning 2. Changed return type to bool.
822 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
823 have ext_src_mode, see if it has been modified already with the
824 right kind of extension and has been extended before from the
825 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
826 just return true. Remember the original mode in state->modified array.
827 (combine_reaching_defs): Add state argument. Don't allocate and
828 free here def_list, copied_list and vec vectors, instead just
829 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
830 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
831 Add state variable, clear vectors in it, initialize state.modified
832 if needed. Free all the vectors at the end and state.modified too.
833 Don't skip a candidate if the extension expression has been modified.
835 2012-01-22 Douglas B Rupp <rupp@gnat.com>
838 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
839 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
840 (extra_options) interix.opt -> i386/interix.opt"
841 (extra_objs):Add winnt-stubs.o
842 * configure.ac: Add interix to target_os .comm on PE check.
843 * configure: Regenerate.
844 * config/interix3.h: Delete and move bits to..
845 * config/interix.h: Delete and move bits to..
846 * config/i386/i386-interix3.h: Delete and move bits to..
847 * config/i386/i386-interix.h: ..here.
848 (TARGET_CPU_DEFAULT): Remove redefinition.
849 (TARGET_ASM_CONSTRUCTOR): Undefine.
850 (SUBTARGET_SWITCHES): Define for ms-bitfields.
851 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
852 (PTRDIFF_TYPE): Define.
853 (LONG_DOUBLE_TYPE_SIZE): Define.
854 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
855 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
856 (TARGET_SECTION_TYPE_FLAGS): Define.
857 (ASM_DECLARE_FUNCTION_NAME): Define.
858 (ASM_OUTPUT_EXTERNAL): Define.
859 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
860 (ASM_OUTPUT_ALIGNED_BSS): Define.
861 (PCC_BITFIELD_TYPE_MATTERS): Define.
862 (USE_CONST_SECTION): Define.
863 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
864 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
865 (SUPPORTS_ONE_ONLY): Remove.
866 (I386_PE_STRIP_ENCODING): Define.
867 * config/interix.opt: Delete and move bits to..
868 * config/i386/interix.opt: ..here. New.
869 (mpe-aligned-commons): Add.
870 * config/i386/t-interix: Add copyright header.
871 (winnt-stubs.o): Add rule.
873 2012-01-22 Jason Merrill <jason@redhat.com>
876 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
877 for extra name aliases.
879 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
881 PR rtl-optimization/51924
882 * ree.c (combine_set_extension): Improve debugging message.
883 (combine_reaching_defs): Likewise.
884 (get_defs): Rename confusingly named variable.
885 (find_and_remove_re): Skip a candidate if the extension expression has
888 2012-01-21 Robert Millan <rmh@gnu.org>
889 Gerald Pfeifer <gerald@pfeifer.com>
891 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
892 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
894 2012-01-20 Jakub Jelinek <jakub@redhat.com>
896 PR tree-optimization/51914
897 * tree-vect-stmts.c (vectorizable_conversion): For
898 cvt_type && modifier == WIDEN, put temporary with cvt_type
899 at the beginning of vec_dsts and set vec_dest to temporary
902 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
904 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
906 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
908 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
909 * config/rs6000/rs6000.c: Likewise.
911 2012-01-20 Jakub Jelinek <jakub@redhat.com>
914 * config/arm/arm.c (arm_count_output_move_double_insns): Call
915 output_move_double on a copy of operands array.
917 2012-01-20 Cary Coutant <ccoutant@google.com>
918 Dodji Seketeli <dodji@redhat.com>
921 * dwarf2out.c (copy_declaration_context): Return ref to parent
922 of declaration DIE, if necessary.
923 (remove_child_or_replace_with_skeleton): Add new parameter; update
924 caller. Place skeleton DIE under parent DIE of original declaration.
925 Move call to copy_declaration_context to here ...
926 (break_out_comdat_types): ... from here.
928 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
930 PR rtl-optimization/51856
931 * reload.c (find_reloads_subreg_address): Set the address_reloaded
934 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
937 * config/arm/arm.c (arm_print_operand): Correct output of alignment
938 hints for neon loads and stores.
940 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
944 * doc/extend.texi (Named Address Spaces): Split into subsections.
945 (AVR Named Address Spaces): New subsection.
946 (M32C Named Address Spaces): New subsection.
947 (RL78 Named Address Spaces): New subsection.
948 (SPU Named Address Spaces): New subsection.
949 (Variable Attributes): New anchor "AVR Variable Attributes".
950 (AVR Variable Attributes): Rewrite and avoid wording
951 "address space" in this context.
952 * doc/invoke.texi (AVR Options): Rewrite and add documentation
953 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
954 (AVR Built-in Macros): New subsubsection therein.
955 * doc/md.texi (AVR constraints): Remove "C04", "R".
957 2012-01-20 Richard Guenther <rguenther@suse.de>
959 PR tree-optimization/51903
960 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
963 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
966 * config/arm/arm.c (arm_load_pic_register): Use
967 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
968 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
969 (arm_pic_static_addr): Likewise.
970 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
971 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
972 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
973 (pic_load_addr_unified): New.
975 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
978 * function.c (instantiate_virtual_regs_in_insn): Use
979 delete_insn_and_edges when removing a wrong asm insn.
981 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
983 PR rtl-optimization/40761
984 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
985 Add new member loop_num.
986 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
987 (ira_build): Remove the parameter.
989 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
990 (ira.c): Do not build CFG loops for one region allocation. Remove
991 argument from ira_build call.
993 * ira-build.c (init_loop_tree_node): New function.
994 (create_loop_tree_nodes): Use it. Separate the case when CFG
996 (more_one_region_p): Check current_loops.
997 (finish_loop_tree_nodes): Separate the case when CFG loops are not
999 (add_loop_to_tree): Process loop equal to NULL too.
1000 (form_loop_tree): Separate the case when CFG loops are not built.
1001 Use explicitly number for the root.
1002 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1004 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1005 instead of loop->num.
1006 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1007 (mark_all_loops_for_removal): Ditto.
1008 (remove_unnecessary_regions): Separate the case when CFG loops
1010 (ira_build): Remove the parameter. Use explicit number of regions
1011 when CFG loops are not built.
1013 * ira-color.c (print_loop_title): Separate the case for the root node.
1014 Use loop_num instead of loop->num.
1015 (move_spill_restore): Use loop_num instead of loop->num.
1017 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1018 (change_loop): Ditto.
1019 (change_loop): Use loop_num instead of loop->num.
1021 * ira-lives.c (process_bb_node_lives): Ditto.
1023 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1025 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1027 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1030 * tree-mudflap.c (mf_artificial): New function.
1031 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1032 mx_register_decls, mudflap_enqueue_decl): Use it.
1035 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1036 numbers in the insn pattern.
1038 2012-01-19 Michael Matz <matz@suse.de>
1040 PR tree-optimization/46590
1041 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1042 use it in remembering which conflicts we already created.
1043 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1046 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1049 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1050 (merge_and_complain): Same.
1052 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1055 * config/initfini-array.h: Guard content of the header
1056 with #ifdef HAVE_INITFINI_ARRAY.
1057 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1058 Add initfini-array.h to tm_file here.
1059 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1060 * config.gcc: Don't add initfini-array.h to tm_file here.
1061 * configure: Regenerated.
1063 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1065 PR rtl-optimization/51505
1066 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1067 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1068 (df_note_bb_compute): Update the call to df_kill_notes.
1070 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1072 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1074 2012-01-18 Richard Guenther <rguenther@suse.de>
1076 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1077 of conversions to void *.
1079 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1080 Richard Sandiford <rdsandiford@googlemail.com>
1084 * optabs.h (simplify_expand_binop): Declare.
1085 * optabs.c (simplify_expand_binop): Make global.
1086 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1087 endian targets if the source cannot be exactly covered by word
1090 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1093 * hard-reg-set.h (struct hard_reg_set_container): New type.
1094 * target.h (struct hard_reg_set_container): Forward declare.
1095 * target.def (set_up_by_prologue): New target hook.
1096 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1097 * doc/tm.texi: Regenerated.
1098 * function.c (thread_prologue_and_epilogue_insns): Change
1099 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1100 Call targetm.set_up_by_prologue on it.
1101 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1102 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1104 2012-01-17 Nick Clifton <nickc@redhat.com>
1106 * config/rx/rx.c (rx_can_use_simple_return): New function.
1107 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1108 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1110 2012-01-17 Richard Guenther <rguenther@suse.de>
1113 * expr.c (expand_assignment): Take address-space information
1114 from the address operand of MEM_REF and TARGET_MEM_REF.
1115 (expand_expr_real_1): Likewise.
1117 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1119 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1120 reload dump is requested.
1122 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1125 * trans-mem.c (requires_barrier): Call may_be_aliased.
1127 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1129 PR tree-optimization/51877
1130 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1131 call arguments and fndecls compare equal, instead return false if they
1132 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1133 both SSA_NAMEs that are valueized the same, or they satisfy
1136 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1138 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1140 * configure: Regenerate.
1142 2012-01-16 Jan Hubicka <jh@suse.cz>
1146 * convert.c (convert_to_integer): Use fold_convert for
1147 converting an INTEGER_CST to integer type.
1149 2012-01-16 Jason Merrill <jason@redhat.com>
1152 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1154 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1157 * config/s390/s390.c (s390_chunkify_start): Don't skip
1158 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1159 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1160 If insn is followed by NOTE_INSN_VAR_LOCATION or
1161 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1162 Don't use location of note insns.
1164 PR tree-optimization/51865
1165 * tree-inline.c (tree_function_versioning): Call remap_decl
1166 on DECL_RESULT whenever it has VOID_TYPE_P type.
1168 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1170 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1171 for calls to locally-binding MIPS16 functions if only the return
1172 type uses float regs.
1174 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1175 Richard Sandiford <rdsandiford@googlemail.com>
1177 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1178 (SYMBOL_32_HIGH): Likewise.
1179 (mips_output_tls_reloc_directive): Declare.
1180 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1181 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1182 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1183 (mips_lo_relocs, mips_hi_relocs): Make extern.
1184 (mips16_stub_function): Move up file.
1185 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1186 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1187 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1188 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1189 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1190 (mips_get_tp): Add MIPS16 support.
1191 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1192 Generalize DTPREL and TPREL handling.
1193 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1194 Add MIPS16 TLS support.
1195 (mips_output_tls_reloc_directive): New function.
1196 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1197 * config/mips/predicates.md (symbolic_operand_with_high)
1198 (tls_reloc_operand): New predicates.
1199 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1200 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1201 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1202 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1203 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1204 (*tls_get_tp_mips16_call_<mode>): Likewise.
1206 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1208 PR rtl-optimization/51821
1209 * recog.c (peep2_find_free_register): Determine clobbered registers
1212 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1215 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1216 * config/avr/avr.c: Likewise.
1217 * config/avr/avr.h: Likewise.
1219 2012-01-13 Ian Lance Taylor <iant@google.com>
1222 * tree.h (TYPE_QUALS): Add cast to int.
1223 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1225 2012-01-13 Ian Lance Taylor <iant@google.com>
1227 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1228 comparing param_index to VEC_length result.
1230 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1232 * c-decl.c: Do not include tree-mudflap.h
1233 * tree-optimize.c: Likewise.
1234 * Makefile.in: Update dependencies.
1236 2012-01-13 Richard Guenther <rguenther@suse.de>
1239 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1240 variable-sized result always use RSO.
1242 2012-01-12 DJ Delorie <dj@redhat.com>
1244 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1245 pointer type, not just the default pointer type.
1247 2012-01-09 Richard Henderson <rth@redhat.com>
1248 Denis Chertykov <chertykov@gmail.com>
1251 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1252 * config/avr/avr.c (avr_can_eliminate): Simplify.
1253 (avr_initial_elimination_offset): Likewise.
1254 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1255 (expand_epilogue): Likewise.
1256 (avr_legitimize_address): Gut.
1257 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1258 (avr_hard_regno_nregs): New.
1259 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1260 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1261 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1262 add soft frame pointer.
1263 (CALL_USED_REGISTERS): Likewise.
1264 (REG_CLASS_CONTENTS): Likewise.
1265 (REGISTER_NAMES): Likewise.
1266 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1267 (HARD_FRAME_POINTER_REGNUM): New.
1268 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1269 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1270 remove the HARD_FRAME_POINTER self-elimination.
1272 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1275 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1276 DECL_EXTERNAL when checking for initializers of progmem variables.
1278 2012-01-12 Ira Rosen <irar@il.ibm.com>
1280 PR tree-optimization/51799
1281 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1282 that the last operation is a type demotion.
1284 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1286 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1287 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1289 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1292 * combine.c (distribute_notes): If i3 is a noreturn call,
1293 allow old_size to be equal to args_size and make sure the
1294 noreturn call gets REG_ARGS_SIZE note.
1295 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1296 on noreturn calls even when the delta is 0.
1298 2012-01-11 Nathan Sidwell <nathan@acm.org>
1300 * gcov.c (STRING_SIZE): Remove.
1301 (generate_results): Erase annotations for source files with no
1302 coverage information.
1304 (output_lines): Use it.
1306 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1308 * gimple.h (gimplify_body): Remove first argument.
1309 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1310 pointer set here, instead just pass DATA to walk_tree.
1311 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1312 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1313 (unvisit_body): Likewise, but with unmark_visited.
1314 (gimplify_body): Remove BODY_P argument and adjust.
1315 (gimplify_function_tree): Adjust call to gimplify_body.
1316 * omp-low.c (finalize_task_copyfn): Likewise.
1318 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1320 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1321 (build_function_type_skip_args): Delete.
1322 * tree.c (build_function_type_skip_args): Make static and add
1323 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1324 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1325 pass it to build_function_type_skip_args.
1326 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1327 (tree_function_versioning): Likewise.
1328 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1329 build_function_decl_skip_args.
1330 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1331 and pass it to build_function_decl_skip_args/tree_function_versioning.
1332 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1333 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1334 * trans-mem.c (ipa_tm_create_version): Likewise.
1335 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1336 * tree-inline.c (declare_return_variable): Remove always-true test.
1337 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1338 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1339 * ipa-split.c (split_function): Skip the return value for the split
1340 part if it doesn't return.
1342 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1344 PR tree-optimization/49642
1345 * ipa-split.c (forbidden_dominators): New variable.
1346 (check_forbidden_calls): New function.
1347 (dominated_by_forbidden): Likewise.
1348 (consider_split): Check for forbidden dominators.
1349 (execute_split_functions): Initialize and free forbidden
1350 dominators info; call check_forbidden_calls.
1352 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1354 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1356 2012-01-11 Nick Clifton <nickc@redhat.com>
1358 * config/rx/rx.md (return): Define pattern.
1360 2012-01-11 Richard Guenther <rguenther@suse.de>
1362 * doc/extend.texi (malloc attribute): Adjust according to
1365 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1366 Patrick Marlier <patrick.marlier@gmail.com>
1369 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1370 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1371 (ipa_tm_note_irrevocable): Same.
1372 (ipa_tm_scan_irr_block): Same.
1373 (ipa_tm_decrement_clone_counts): Same.
1374 (ipa_tm_scan_irr_function): Same.
1375 (ipa_tm_create_version_alias): Same.
1376 (ipa_tm_create_version): Same.
1377 (ipa_tm_transform_calls_redirect): Same.
1378 (ipa_tm_transform_calls): Same.
1379 (ipa_tm_transform_transaction): Same.
1380 (ipa_tm_execute): Same.
1382 2012-01-10 Richard Guenther <rguenther@suse.de>
1385 * opts.c (common_handle_option): Handle -Werror.
1387 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1389 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1392 2012-01-10 Jason Merrill <jason@redhat.com>
1394 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1397 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1399 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1400 supports R_386_TLS_GD_PLT reloc.
1401 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1402 supports R_386_TLS_LDM_PLT reloc.
1403 * configure: Regenerate.
1404 * config.in: Regenerate.
1406 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1409 Extend __pgmx semantics to linearize memory.
1410 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1411 determine if code comes inline or from libgcc.
1412 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1413 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1414 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1415 (movmemx_qi, movmemx_hi): New insns.
1416 (xload_<mode>_libgcc): Rewrite to new insn condition.
1417 (xload_<mode>): Remove insns.
1418 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1419 cases that don't satisfy avr_xload_libgcc_p().
1420 (avr_addr_space_convert): Allow converting in any direction.
1421 (avr_addr_space_subset_p): Return always true.
1422 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1423 (avr_emit_movmemhi): Ditto.
1424 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1425 (avr_out_movmem): Ditto.
1426 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1427 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1428 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1429 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1430 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1432 2012-01-10 Richard Guenther <rguenther@suse.de>
1434 PR tree-optimization/50913
1435 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1436 Require data-refs to be representable by Graphite with respect
1439 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1441 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1442 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1444 2012-01-10 Tom de Vries <tom@codesourcery.com>
1446 PR rtl-optimization/51271
1447 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1448 handling annulled branch.
1450 2012-01-10 Richard Henderson <rth@redhat.com>
1452 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1453 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1454 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1455 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1456 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1457 arm_expand_vec_perm_const): New.
1458 * config/arm/arm-protos.h: Update.
1459 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1460 (*neon_vswp<VDQX>): New.
1461 (neon_vcombine<VDX>): Use neon_split_vcombine.
1462 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1463 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1464 (vec_perm<VE>): New.
1466 2012-01-10 Richard Henderson <rth@redhat.com>
1468 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1469 use it if reload_completed.
1470 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1471 arm_output_asm_insn, arm_process_output_memory_barrier,
1472 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1473 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1474 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1475 arm_process_output_sync_insn, arm_output_sync_insn,
1476 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1477 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1478 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1479 (emit_unlikely_jump): New.
1480 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1481 (arm_split_atomic_op): New.
1482 * config/arm/arm-protos.h: Update.
1483 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1484 (struct arm_sync_generator): Remove.
1485 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1486 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1487 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1488 (VUNSPEC_LL, VUNSPEC_SC): New.
1489 (sync_result, sync_memory, sync_required_value, sync_new_value,
1490 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1491 (attr length): Don't use arm_sync_loop_insns.
1492 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1493 (movsfcc, movdfcc): Likewise.
1494 * config/arm/constraints.md (Ua): New.
1495 * config/arm/prediates.md (mem_noofs_operand): New.
1496 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1497 (sync_clobber, sync_t2_reqd): Remove.
1498 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1499 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1500 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1501 (arm_sync_compare_and_swap<SIDI>): Remove.
1502 (arm_sync_compare_and_swap<NARROW>): Remove.
1503 (arm_sync_lock_test_and_set<SIDI>): Remove.
1504 (arm_sync_lock_test_and_set<NARROW>): Remove.
1505 (arm_sync_new_<syncop><SIDI>): Remove.
1506 (arm_sync_new_<syncop><NARROW>): Remove.
1507 (arm_sync_new_nand<SIDI>): Remove.
1508 (arm_sync_new_nand<NARROW>): Remove.
1509 (arm_sync_old_<syncop><SIDI>): Remove.
1510 (arm_sync_old_<syncop><NARROW>): Remove.
1511 (arm_sync_old_nand<SIDI>): Remove.
1512 (arm_sync_old_nand<NARROW>): Remove.
1513 (*memory_barrier): Merge arm_output_memory_barrier.
1514 (atomic_compare_and_swap<QHSD>): New.
1515 (atomic_compare_and_swap<NARROW>_1): New.
1516 (atomic_compare_and_swap<SIDI>_1): New.
1517 (atomic_exchange<QHSD>): New.
1518 (cas_cmp_operand, cas_cmp_str): New.
1519 (atomic_op_operand, atomic_op_str): New.
1520 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1521 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1522 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1523 (arm_load_exclusive<NARROW>): New.
1524 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1525 (arm_store_exclusive<QHSD>): New.
1527 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1529 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1530 reload patterns if -mvsx-scalar-memory.
1532 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1533 generated, even -mno-vsx-scalar-double was used.
1534 (vsx_xscvdpsp_scalar): Likewise.
1535 (vsx_xscvspdp_scalar2): Likewise.
1537 2012-01-09 Tom de Vries <tom@codesourcery.com>
1538 Andrew Pinski <apinski@cavium.com>
1541 * reorg.c (fill_slots_from_thread): Don't speculate
1542 frame-related insns.
1544 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1546 * sched-int.h (bb_note): Move to...
1547 * basic-block.h: ...here.
1548 * haifa-sched.c (bb_note): Move to...
1549 * cfgrtl.c: ...here.
1550 * function.c (next_block_for_reg): New function.
1551 (move_insn_for_shrink_wrap): Likewise.
1552 (prepare_shrink_wrap): Rewrite to use the above.
1554 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1556 * gimple.c (is_gimple_non_addressable): Remove.
1557 * gimple.h: Remove is_gimple_non_addressable.
1558 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1559 is_gimple_non_addressable.
1560 * trans-mem.c (expand_assign_tm): Same.
1562 2012-01-09 Richard Guenther <rguenther@suse.de>
1564 PR tree-optimization/51775
1565 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1566 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1568 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1570 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1572 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1574 2012-01-09 Richard Guenther <rguenther@suse.de>
1576 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1578 2012-01-08 Jan Hubicka <jh@suse.cz>
1580 PR tree-optimize/51680
1581 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1582 on when known_vals needs to be computed; cleanup.
1584 2012-01-08 Jan Hubicka <jh@suse.cz>
1586 PR tree-optimize/51694
1587 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1589 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1591 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1592 for -std=c++98 and -std=c++11 too.
1594 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1596 * cfgloop.c (cancel_loop): Add free() of bbs array.
1598 2012-01-07 Jan Hubicka <jh@suse.cz>
1600 PR tree-optimization/51600
1601 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1602 that benefits small functions.
1604 2012-01-07 Jan Hubicka <jh@suse.cz>
1606 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1608 2012-01-07 Jan Hubicka <jh@suse.cz>
1610 PR tree-optimization/51680
1611 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1612 whose inlining reduce unit size.
1614 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1617 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1618 Add canonical node to containing_mem chain after the non-canonical
1619 one, even if there weren't any locs to propagate.
1620 (remove_useless_values): Keep only canonical values.
1621 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1622 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1623 canonicalize mem_chain elements that are not discarded.
1625 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1628 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1629 before emitting functions.
1631 PR gcov-profile/50127
1632 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1633 clear_aux_for_blocks.
1635 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1638 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1640 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1642 * c-decl.c (ext_block): Moved up.
1643 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1645 2012-01-06 Han Shen <shenhan@google.com>
1647 Translate built-in include paths for sysroot.
1648 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1649 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1651 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1652 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1654 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1655 control whether sysroot should be prepended to gxx include dir.
1657 * configure: Regenerate.
1659 2012-01-06 Torvald Riegel <triegel@redhat.com>
1661 PR rtl-optimization/51771
1662 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1663 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1665 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1667 PR tree-optimization/51315
1668 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1669 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1671 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1674 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1675 for shrp pattern. Correctly handle and fixup shift variable.
1676 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1678 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1681 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1682 note when !ACCUMULATE_OUTGOING_ARGS.
1684 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1686 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1688 (extract_range_from_unary_expr_1): Avoid useless computations.
1690 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1692 PR rtl-optimization/51767
1693 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1694 of jump_block and add an extra edge for degenerated asm gotos.
1697 * stmt.c (check_unique_operand_names): Don't ICE during error
1698 reporting if i is from labels chain.
1701 * profile.c (branch_prob): Split bbs that have exit edge
1702 and need a fake entry edge too.
1704 2012-01-05 Jan Hubicka <jh@suse.cz>
1707 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1710 2012-01-05 Richard Guenther <rguenther@suse.de>
1713 * tree-streamer-out.c (write_ts_optimization): New function.
1714 (streamer_write_tree_body): Call it.
1715 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1716 (streamer_read_tree_body): Call it.
1717 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1719 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1722 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1723 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1724 in_cleanup_point_expr before gimplify_stmt call and restore it
1726 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1727 in_cleanup_point_expr is false.
1729 2012-01-05 Richard Guenther <rguenther@suse.de>
1732 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1734 * toplev.c (process_options): Reject combining mudflap and LTO.
1735 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1737 2012-01-05 Richard Guenther <rguenther@suse.de>
1739 PR tree-optimization/51760
1740 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1742 (bit_value_unop): Handle UNDEFINED operands.
1743 (bit_value_binop): Likewise.
1745 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1747 * config/avr/avr.c (avr_replace_prefix): Remove.
1748 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1749 (avr_asm_function_rodata_section): Ditto.
1750 (avr_asm_select_section): Ditto.
1752 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1754 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1757 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1760 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1761 calls that have any non-fake successor edges.
1764 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1766 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1768 PR tree-optimization/51624
1769 * tree-sra.c (build_ref_for_model): When replicating a chain of
1770 COMPONENT_REFs, stop as soon as the offset would become negative.
1772 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1775 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1776 in .debug_loc on the floor.
1778 2012-01-04 Andrew Pinski <apinski@cavium.com>
1780 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1782 2012-01-04 Andrew Pinski <apinski@cavium.com>
1783 Adam Nemet <anemet@caviumnetworks.com>
1785 * config/mips/mips.md (size): Add SI and DI.
1786 (SIZE): New mode attribute.
1787 (U): New code attribute.
1788 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1789 (mips_lbux_<mode>): Delete.
1790 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1791 (mips_lhx): Use gen_mips_lhx_extsi.
1792 (mips_lhx_<mode>): Delete.
1794 (mips_l<size>x): New expand.
1795 (mips_lwx_<mode>): Delete.
1796 (mips_l<GPR:size>x_<P:mode>): New pattern.
1797 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1798 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1799 * config/mips/mips.c (mips_lx_address_p): New function.
1800 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1801 (dsp64): New availability predicate.
1802 (mips_builtins): Add an entry for __builtin_mips_ldx.
1803 * config/mips/mips.h (ISA_HAS_LBX): New define.
1804 (ISA_HAS_LBUX): Likewise.
1805 (ISA_HAS_LHX): Likewise.
1806 (ISA_HAS_LHUX): Likewise.
1807 (ISA_HAS_LWX): Likewise.
1808 (ISA_HAS_LWUX): Likewise.
1809 (ISA_HAS_LDX): Likewise.
1810 * doc/extend.texi (__builtin_mips_ldx): Document.
1812 2012-01-04 Tristan Gingold <gingold@adacore.com>
1814 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1815 when long pointers are used.
1816 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1817 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1818 (ia64-hp-*vms*): Remove.
1819 * config/vms/xm-vms64.h: Delete.
1821 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1824 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1826 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1828 * opts.c (finish_options): Remove duplicate sorry.
1830 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1833 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1836 2012-01-04 Richard Guenther <rguenther@suse.de>
1839 * tree.c (size_low_cst): New function.
1840 * tree.h (size_low_cst): Declare.
1841 * fold-const.c (fold_comparison): Use it to extract the low
1842 part of the POINTER_PLUS_EXPR offset.
1844 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1846 Fix clearing ZERO_REG
1847 * config/avr/avr.md (cc): Add alternative "ldi".
1848 (movqi_insn): Use it in cc attribute.
1849 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1850 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1851 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1853 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1855 * configure: Regenerate.
1857 2012-01-04 Richard Guenther <rguenther@suse.de>
1859 PR tree-optimization/49651
1860 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1861 (var_can_have_subvars): Use it.
1862 (get_constraint_for_1): Only consider subfields if there can be any.
1864 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1867 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1868 to its new canonical_cselib_val and the cselib_val was in
1869 first_containing_mem chain, but the canonical_cselib_val was not,
1870 add the latter into the chain.
1871 (cselib_invalidate_mem): Compare canonical_cselib_val of
1872 addr_list chain elt with v.
1875 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1876 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1878 (output_macinfo_op): Don't ggc_strdup fd->filename.
1879 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1880 then ggc_strdup it. Don't free inc->info or cur->info.
1881 (output_macinfo): Don't free ref->info or file->info.
1883 2012-01-03 Ira Rosen <irar@il.ibm.com>
1885 PR tree-optimization/51269
1886 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1887 first_niters a pointer.
1888 (slpeel_tree_peel_loop_to_edge): Likewise.
1889 (vect_do_peeling_for_loop_bound): Update call to
1890 slpeel_tree_peel_loop_to_edge.
1891 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1892 here. Remove it from the parameters list.
1893 (vect_do_peeling_for_alignment): Update calls and compute
1896 2012-01-03 Richard Guenther <rguenther@suse.de>
1898 PR tree-optimization/51070
1899 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1900 Properly handle calls.
1902 2012-01-03 Richard Guenther <rguenther@suse.de>
1904 PR tree-optimization/51692
1905 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1906 the LHS of allocation stmts.
1908 2012-01-03 Olivier Hainque <hainque@adacore.com>
1910 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1912 2012-01-03 Olivier Hainque <hainque@adacore.com>
1914 * collect2.c (main): In AIX specific computations for vector
1915 insertions, use CONST_CAST2 to cast from char ** to const char **.
1917 2012-01-03 Richard Guenther <rguenther@suse.de>
1920 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1921 the context of a limbo DIE when it does not already exist.
1923 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1925 PR tree-optimization/51719
1926 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1927 but direct call is, clear direct call's lhs and don't add fallthrough
1928 edge from dcall_bb to join_bb and PHIs.
1930 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1932 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1933 the instructions emitted by the pattern.
1934 ("*TDC_insn_<mode>"): Add comment.
1936 2012-01-03 Richard Guenther <rguenther@suse.de>
1939 * fold-const.c (fold_comparison): Properly canonicalize
1940 tree offset and HOST_WIDE_INT bit position.
1942 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1944 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1945 operands for extzv pattern.
1947 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1950 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1953 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1955 * doc/invoke.texi (-flto and related options): Copy-edit.
1957 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1959 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1961 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1963 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1966 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1968 * expr.h (move_by_pieces_ninsns): Declare.
1969 * expr.c (move_by_pieces_ninsns): Make external.
1970 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1971 (mips_store_by_pieces_p): Likewise.
1972 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1973 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1974 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1975 (mips_store_by_pieces_p): Likewise.
1977 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1979 * passes.c (register_one_dump_file): Free full_name.
1981 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1982 (calculate_elim_costs_all_insns): Free offsets_at and
1983 offsets_known_at at the end and clear the pointers.
1985 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1987 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1988 this option introduced in r180739.
1990 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1993 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1994 (tmake_file target=avr): Add avr/t-multilib.
1996 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1997 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1998 * config/avr/genmultilib.awk: New file.
1999 * config/avr/t-multilib: New auto-generated file.
2000 * config/avr/multilib.h: New auto-generated file.
2001 * config/avr/t-avr (AVR_MCUS): New variable.
2002 (genopt.sh): Use it.
2003 (s-mlib): Depend on t-multilib.
2004 (t-multilib, multilib.h): New dependencies.
2005 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2006 (MULTILIB_OPTIONS): Remove.
2007 (MULTILIB_MATCHES): Remove.
2008 (MULTILIB_DIRNAMES): Remove.
2009 (MULTILIB_EXCEPTIONS): Remove:
2010 * config/avr/genopt.sh: Don't use hard coded file name;
2011 pass AVR_MCUS from t-avr instead.
2013 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2015 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2017 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2019 Implement light-weight DImode support.
2020 * config/avr/avr-dimode.md: New file.
2021 * config/avr/avr.md: Include it.
2022 (adjust_len): Add plus64, compare64.
2023 (HIDI): Remove code iterator.
2024 (code_stdname): New code attribute.
2025 (rotx, rotsmode): Remove DI.
2026 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2028 * config/avr/avr-protos.h (avr_have_dimode): New.
2029 (avr_out_plus64, avr_out_compare64): New.
2030 * config/avr/avr.c (avr_out_compare): Handle DImode.
2031 (avr_have_dimode): New variable definition and initialization.
2032 (avr_out_compare64, avr_out_plus64): New functions.
2033 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2034 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2035 (avr_compare_pattern): Skip DImode comparisons.
2037 2012-01-02 Revital Eres <revital.eres@linaro.org>
2039 * ddg.c (def_has_ccmode_p): New function.
2040 (add_cross_iteration_register_deps,
2041 create_ddg_dep_from_intra_loop_link): Call it.
2043 2012-01-02 Richard Guenther <rguenther@suse.de>
2046 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2048 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2050 * gcc.c (process_command): Update copyright notice dates.
2051 * gcov.c (print_version): Likewise.
2052 * gcov-dump.c (print_version): Likewise.
2053 * mips-tfile.c (main): Likewise.
2054 * mips-tdump.c (main): Likewise.
2056 2012-01-01 Ira Rosen <irar@il.ibm.com>
2058 PR tree-optimization/51704
2059 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2060 a use is inside the basic block or loop before accessing its vect info.
2062 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2064 PR rtl-optimization/51069
2065 * cfgloopmanip.c (remove_path): Removing path making irreducible
2066 region unconditional makes BB part of the region.
2068 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2070 PR tree-optimization/51683
2071 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2072 calls with side-effects.
2073 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2075 Copyright (C) 2012 Free Software Foundation, Inc.
2077 Copying and distribution of this file, with or without modification,
2078 are permitted in any medium without royalty provided the copyright
2079 notice and this notice are preserved.