1 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
3 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
4 adding __forwarder_dst__ prefix if a forwarder_section attribute is
6 (epiphany_function_type): Replace types for specific interrupts with
7 EPIPHANY_FUNCTION_INTERRUPT.
8 (EPIPHANY_INTERRUPT_P): Update.
9 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
11 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
12 <disinterrupt>: Affects type identity.
13 (epiphany_handle_interrupt_attribute): Handle variable number of
15 (epiphany_compute_function_type): Update for new
16 epiphany_function_type definition.
17 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
18 handlers with a longcall forwarder.
19 (epiphany_start_function): Handle multiple interrupt arguments and/or
20 forwarder_section attribute.
22 2012-02-07 Alan Modra <amodra@gmail.com>
25 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
28 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
30 PR tree-optimization/50969
31 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
32 use vec_perm rather than vector_stmt.
33 (vect_model_load_cost): Likewise.
34 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
35 vec_perm to be the same as other vector statements.
36 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
37 cost of vec_perm for TARGET_VSX.
39 2012-02-06 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/52115
42 * tree-sra.c (access_has_replacements_p): New function.
43 (sra_modify_assign): Use it to decide whether a use is uninitialized.
45 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
48 * trans-mem.c (expand_call_tm): Add an assertion.
49 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
52 2012-02-06 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/50955
55 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
56 raise cost of expressions that replace an address with an
57 expression based on a different pointer.
59 2012-02-06 Jakub Jelinek <jakub@redhat.com>
62 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
63 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
65 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
68 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
69 -Weffc++ and specify guidelines come from second edition.
71 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
73 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
74 (sibcall_value_multiple_internal, call_split, call_internal_direct)
75 (call_direct_split, call_value_split, call_value_internal_direct)
76 (call_value_direct_split, call_value_multiple_split): Use jal and
79 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
81 * reload1.c (reload_regs_reach_end_p): Replace with...
82 (reload_reg_rtx_reaches_end_p): ...this function.
83 (new_spill_reg_store): Update commentary.
84 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
85 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
86 before setting new_spill_reg_store.
87 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
88 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
89 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
90 for non-spill reload registers.
92 2012-02-05 Ira Rosen <irar@il.ibm.com>
94 PR tree-optimization/52091
95 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
96 (vect_is_simple_use_1): Likewise.
97 * tree-vect-loop.c (vectorizable_reduction): Update calls
98 to vect_is_simple_use_1 and vect_is_simple_use.
99 (vectorizable_live_operation): Likewise.
100 * tree-vect-patterns.c (widened_name_p,
101 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
103 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
104 vectorizable_call, vectorizable_conversion,
105 vectorizable_assignment, vectorizable_shift,
106 vectorizable_operation, vectorizable_store, vectorizable_load):
108 (vect_is_simple_cond): Add an argument, pass it to
109 vect_is_simple_use_1.
110 (vectorizable_condition): Update calls to vect_is_simple_cond,
112 (vect_is_simple_use): Add an argument, the statement in which
113 OPERAND is used. Check that if OPERAND's def stmt is a double
114 reduction phi node, the use is a phi node too.
115 (vect_is_simple_use_1): Add an argument, pass it to
117 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
118 to vect_is_simple_use.
120 2012-02-04 Jakub Jelinek <jakub@redhat.com>
122 PR rtl-optimization/52095
123 * modulo-sched.c (dump_insn_locator): New function.
124 (loop_canon_p, sms_schedule): Use it.
126 PR rtl-optimization/52113
127 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
128 even for decomposable shift/zext insns.
130 2012-02-03 Jakub Jelinek <jakub@redhat.com>
131 Zdenek Dvorak <ook@ucw.cz>
133 PR rtl-optimization/52092
134 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
135 on get_iv_value result.
137 2012-02-02 Andrew Pinski <apinski@cavium.com>
141 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
143 2012-02-02 Jakub Jelinek <jakub@redhat.com>
146 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
148 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
150 PR rtl-optimization/49800
151 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
152 (sched_finish): Call regstat_free_n_sets_and_refs.
154 2012-02-02 Jia Liu <proljc@gmail.com>
156 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
159 2012-02-02 Jan Hubicka <jh@suse.cz>
160 Tom de Vries <tom@codesourcery.com>
163 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
164 * varpool.c (varpool_analyze_pending_decls): Likewise.
166 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
167 Jayant R Sonar <jayant.sonar@kpitcummins.com>
169 * config.gcc: Add cr16-* support.
171 * doc/extend.texi: Document cr16 extensions.
172 * doc/install.texi: Document cr16 install.
173 * doc/invoke.texi: Document cr16 options.
174 * doc/md.texi: Document cr16 constraints.
176 * common/config/cr16/cr16-common.c: New file.
177 * config/cr16/cr16.c: New file.
178 * config/cr16/cr16.h: New file.
179 * config/cr16/cr16.md: New file.
180 * config/cr16/cr16.opt: New file.
181 * config/cr16/cr16-protos.h: New file.
182 * config/cr16/predicates.md: New file.
183 * config/cr16/constraints.md: New file.
184 * config/cr16/t-cr16: New file.
186 2012-02-02 Jakub Jelinek <jakub@redhat.com>
189 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
190 that operands[2] is either immediate, or q_regs_operand.
192 PR tree-optimization/52073
193 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
194 a pattern stmt for pattern uses, ignore uses outside of the loop.
196 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
198 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
199 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
200 (OUT_AS1, OUT_AS2): Remove.
202 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
204 PR rtl-optimization/51374
205 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
206 to cross other volatile_refs_p insns.
208 2012-02-01 Richard Guenther <rguenther@suse.de>
210 * doc/invoke.texi (fno-inline): Clarify documentation.
211 (finline-small-functions): Likewise.
212 (finline-functions): Likewise.
213 * common.opt (finline): Adjust comment and documentation.
214 (finline-small-functions): Clarify documentation.
215 (finline-functions): Likewise.
216 (finline-functions-called-once): Likewise.
218 2012-02-01 Tristan Gingold <gingold@adacore.com>
220 * c-typeck.c (composite_type): Keep mode for pointers.
222 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
224 * function.h (regno_reg_rtx): Adjust comment.
225 * reginfo.c (init_reg_modes_target): Only use the previous mode
226 if it fits within one register. Remove MIPS comment.
228 2012-01-31 Jakub Jelinek <jakub@redhat.com>
231 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
233 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
235 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
238 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
240 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
243 2012-01-31 Jakub Jelinek <jakub@redhat.com>
248 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
250 2012-01-31 Richard Guenther <rguenther@suse.de>
252 PR tree-optimization/51528
253 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
256 2012-01-31 Jakub Jelinek <jakub@redhat.com>
261 * ree.c (add_removable_extension): Change def_map argument
262 to unsigned *, store in def_map 1 + offset into *insn_list vector
263 instead of pointers into the vector.
264 (find_removable_extensions): Adjust caller.
266 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
268 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
269 Transform all "* quoted-c-code" to { c-code }.
270 Remove redundant test for "optimize" in combine patterns.
271 Move (include "avr-dimode.md") to end of file.
273 2012-01-30 Bin Cheng <bin.cheng@arm.com>
276 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
277 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
279 2012-01-30 Richard Guenther <rguenther@suse.de>
281 PR tree-optimization/52028
282 * tree-loop-distribution.c (ldist_gen): Properly update
285 2012-01-30 Jakub Jelinek <jakub@redhat.com>
288 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
289 set_cur_line_info_table if not emitting debug info.
291 PR tree-optimization/52046
292 * tree-vect-patterns.c (check_bool_pattern): Give up if
293 a comparison could throw.
296 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
298 2012-01-30 Richard Guenther <rguenther@suse.de>
300 PR tree-optimization/52045
301 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
302 SSA form if cfgcleanup did anything.
304 2012-01-30 Richard Guenther <rguenther@suse.de>
306 PR tree-optimization/52045
307 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
308 before computing final todo.
310 2012-01-30 Richard Guenther <rguenther@suse.de>
312 PR tree-optimization/51528
313 * tree-sra.c (sra_modify_assign): Re-factor in preparation
316 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
318 * df-problems.c (df_kill_notes): Check that the use refers
319 to the note under examination.
321 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
324 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
325 parameter and use short-lived pseudos.
326 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
327 (sparc_expand_vector_init): Const-ify local variables and adjust
328 calls to above functions.
330 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
332 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
334 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
336 * doc/invoke.texi: Make usage of "compile time" and
337 "run time"/"runtime" consistent throughout the file.
339 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
341 * config/alpha/alpha.c (alpha_option_overrride): Default to
342 full IEEE compliance mode for Go language.
344 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
346 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
347 (LINK_SSP_SPEC): Define.
349 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
352 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
355 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
357 * doc/invoke.texi: Correct hyphenation of "floating point",
358 "double precision", and related terminology throughout the file.
360 2012-01-28 Jakub Jelinek <jakub@redhat.com>
363 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
364 arm_general_register_operand predicate for operand 2 instead of
367 2012-01-27 Ian Lance Taylor <iant@google.com>
370 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
371 * builtins.c (expand_builtin_init_trampoline): Add onstack
372 parameter. Change caller.
373 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
374 * tree.c (build_common_builtin_nodes): Declare
375 __builtin_init_heap_trampoline.
377 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
379 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
380 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
381 * config/avr/avr.c: Ditto.
382 (avr_regnames): Remove because unused.
383 * config/avr/avr.md (*cpse.ne): New peephole.
384 (*cpse.eq): New peephole from former cpse peepholes.
386 2012-01-27 Michael Eager <eager@eagercon.com>
388 * config/microblaze.c (microblaze_emit_compare): Correct
389 test after pcmp instruction.
391 2012-01-27 Richard Guenther <rguenther@suse.de>
393 PR tree-optimization/52020
394 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
396 2012-01-27 Richard Guenther <rguenther@suse.de>
398 * ipa-pure-const.c (check_stmt): Clobbers do not make a
399 function non-const/pure.
401 2012-01-27 Richard Guenther <rguenther@suse.de>
403 PR tree-optimization/50444
404 * tree-sra.c (build_ref_for_offset): Properly adjust the
405 MEM_REF type for unaligned accesses.
407 2012-01-27 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/50444
410 * expr.c (mem_ref_refers_to_non_mem_p): New function.
411 (expand_assignment): Use it. Properly handle misaligned
412 bases when expanding stores to component references.
413 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
416 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
419 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
420 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
421 * tree-data-ref.c (find_data_references_in_loop): Make static.
422 (compute_all_dependences): Change return type to bool. Bail out
423 for too many datarefs in a loop. Move the hunk resetting the data
424 dependences vector from ...
425 (compute_data_dependences_for_loop): ... here. Account for
426 compute_all_dependences returning false.
427 (compute_data_dependences_for_bb): Likewise.
428 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
429 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
431 2012-01-27 Richard Guenther <rguenther@suse.de>
434 * expr.c (store_field): Use the alias-set of the scratch memory
437 2012-01-27 Tom de Vries <tom@codesourcery.com>
439 PR tree-optimization/51990
440 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
442 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
444 2012-01-27 Jakub Jelinek <jakub@redhat.com>
447 * var-tracking.c (reverse_op): Don't add any reverse operation
448 if V already has any constant locations.
450 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
452 * doc/invoke.texi: Correct usage of "command line" (noun)
453 vs "command-line" (adjective) throughout.
455 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
457 * doc/invoke.texi (Language Independent Options): Move
458 -Wcoverage-mismatch blurb from here....
459 (Warning Options): ...to here.
461 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
463 * config/rs6000/rs6000.c (rs6000_option_override_internal):
464 Set rs6000_always_hint to false for 476.
466 2012-01-27 Matthias Klose <doko@ubuntu.com>
468 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
470 * incpath.c (add_standard_paths): Likewise.
472 2012-01-27 Richard Henderson <rth@redhat.com>
474 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
475 * config/m68k/sync.md (atomic_test_and_set): Rename from
476 sync_test_and_setqi and adjust the operands.
477 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
478 and unconditionally enable.
480 2012-01-27 Richard Henderson <rth@redhat.com>
482 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
483 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
484 (ldstub): Rename from ldstubqi.
485 (ldstub<I24MODE>): Remove.
487 2012-01-27 Richard Henderson <rth@redhat.com>
489 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
490 * c-cppbuiltin.c (cpp_atomic_builtins): Define
491 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
492 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
493 * doc/tm.texi: Rebuild.
495 2012-01-27 Richard Henderson <rth@redhat.com>
497 * optabs.c (gen_atomic_test_and_set): Remove default.
498 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
500 2012-01-26 Jakub Jelinek <jakub@redhat.com>
502 PR rtl-optimization/51978
503 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
504 (combine_reaching_defs): Likewise.
505 (struct re_info): Remove.
506 (add_removable_extension): Remove x and data arguments,
507 add insn, insn_list and def_map. Use the arguments directly
508 instead of using struct re_info.
509 (find_removable_extensions): Don't call add_removable_extension
510 through note_stores, instead just call it with single_set
512 (find_and_remove_re): Pass curr_cand->expr instead of
513 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
515 2012-01-26 Michael Matz <matz@suse.de>
517 PR tree-optimization/46590
518 * cfgexpand.c: Revert last change (r183305).
519 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
521 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
522 checking for emptiness.
524 2012-01-26 Jakub Jelinek <jakub@redhat.com>
527 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
528 non-addressable non-BLKmode base correctly.
530 2012-01-26 Michael Matz <matz@suse.de>
532 PR tree-optimization/48794
533 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
534 regions referenced from RESX/EH_DISPATCH.
536 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
538 * config/s390/s390.h: Make BRANCH_COST an option.
539 * config/s390/s390.opt: New option -mbranch-cost.
541 2012-01-26 Richard Henderson <rth@redhat.com>
543 Revert 2012-01-24 change:
544 * trans-mem.c (requires_barrier): Do not instrument thread local
545 variables and emit save/restore for them.
547 2012-01-25 Jakub Jelinek <jakub@redhat.com>
550 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
553 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
555 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
558 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
561 Rename __pgm to __flash.
562 Rename __pgm1 to __flash1.
563 Rename __pgm2 to __flash2.
564 Rename __pgm3 to __flash3.
565 Rename __pgm4 to __flash4.
566 Rename __pgm5 to __flash5.
567 Rename __pgmx to __memx.
568 * doc/extend.texi (AVR Named Address Spaces)
569 Rename address space names as indicated above.
570 * config/avr/avr.c (avr_addrspace): Ditto.
572 * config/avr/avr-protos.h
573 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
574 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
575 * config/avr/predicates.md: Ditto.
576 * config/avr/avr.c Ditto, and
577 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
578 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
580 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
581 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
582 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
583 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
584 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
585 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
586 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
587 * config/avr/avr.c: Ditto.
588 * config/avr/avr.md: Ditto.
590 2012-01-25 Jason Merrill <jason@redhat.com>
593 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
595 2012-01-25 Jakub Jelinek <jakub@redhat.com>
597 PR tree-optimization/51987
598 * tree-data-ref.c (get_references_in_stmt): Handle references in
599 non-volatile GIMPLE_ASM.
601 2012-01-25 Richard Guenther <rguenther@suse.de>
603 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
604 bases are dereferenced.
606 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
608 PR rtl-optimization/48374
609 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
611 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
613 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
614 compute_data_dependences_for_loop returns false.
615 * tree-parloops.c (loop_parallel_p): Likewise.
617 2012-01-25 Richard Guenther <rguenther@suse.de>
619 * tree.h (get_pointer_alignment_1): Declare.
620 * builtins.c (get_pointer_alignment_1): New function.
621 (get_pointer_alignment): Use it.
623 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
625 PR rtl-optimization/48308
626 * combine.c (enum undo_kind): Add UNDO_LINKS.
627 (struct undo): Add member l to other_contents and where.
628 (do_SUBST_LINK): New.
630 (try_combine): Handle LOG_LINKS for the dummy i1 case.
631 (undo_all): Handle UNDO_LINKS.
633 2012-01-25 Richard Henderson <rth@redhat.com>
635 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
638 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
640 * optabs.c (gen_atomic_test_and_set): Use each argument.
642 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
644 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
645 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
646 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
647 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
648 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
649 TARGET_PAIRED_SINGLE_FLOAT.
651 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
653 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
654 (in_struct, return_val): Remove MEM documentation.
655 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
656 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
657 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
659 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
660 * cfgexpand.c (add_alias_set_conflicts): Likewise.
661 * expr.c (store_field): Likewise.
662 * function.c (assign_stack_temp_for_type): Likewise.
663 * ifcvt.c (noce_try_cmove_arith): Likewise.
664 * reload1.c (reload): Likewise.
665 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
666 (alpha_set_memflags): Likewise.
667 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
669 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
671 * rtl.h (true_dependence, canon_true_dependence): Remove varies
673 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
674 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
675 (true_dependence_1, true_dependence, canon_true_dependence): Remove
677 * cselib.c (cselib_rtx_varies_p): Delete.
678 (cselib_invalidate_mem): Update call to canon_true_dependence.
679 * dse.c (record_store, check_mem_read_rtx): Likewise.
680 (scan_reads_nospill): Likewise.
681 * cse.c (check_dependence): Likewise.
682 (cse_rtx_varies_p): Delete.
683 * expr.c (safe_from_p): Update call to true_dependence.
684 * ira.c (validate_equiv_mem_from_store): Likewise.
685 (memref_referenced_p): Likewise.
686 * postreload-gcse.c (find_mem_conflicts): Likewise.
687 * sched-deps.c (sched_analyze_2): Likewise.
688 * store-motion.c (load_kills_store): Likewise.
689 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
690 * gcse.c (mems_conflict_for_gcse_p): Likewise.
691 (compute_transp): Update call to canon_true_dependence.
693 2012-01-25 Richard Henderson <rth@redhat.com>
695 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
696 (maybe_emit_atomic_test_and_set): New.
697 (expand_sync_lock_test_and_set): Use it.
698 (expand_atomic_test_and_set): Likewise.
699 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
700 the implementation; clarify implementation defined details.
701 * doc/md.texi (atomic_test_and_set): Document.
703 2012-01-25 Richard Henderson <rth@redhat.com>
705 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
707 2012-01-25 Richard Henderson <rth@redhat.com>
710 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
711 to effect no-op split.
713 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
716 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
717 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
718 (BT_FN_VOID_PTR_INT_SIZE): New.
719 (BT_FN_UINT_UINT_VAR): Remove.
720 (BT_FN_UINT32_UINT32_VAR): New.
721 (BT_FN_DOUBLE_VPTR): Remove.
722 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
724 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
725 (_ITM_changeTransactionMode): Same.
726 (_ITM_memmoveRtWt): Change return type to void.
727 (_ITM_memcpyRtWt): Same.
728 (_ITM_memsetW): Same.
729 (_ITM_RaRD): Change types to double.
734 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
736 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
737 Patrick Marlier <patrick.marlier@gmail.com>
739 * trans-mem.c (requires_barrier): Do not instrument thread local
740 variables and emit save/restore for them.
742 2012-01-24 Jason Merrill <jason@redhat.com>
745 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
746 output static aliases.
748 2012-01-24 Jakub Jelinek <jakub@redhat.com>
751 * common.opt (-pie, -shared, pie, shared): Change from Common to
753 * gcc.c (display_help): Display help for -pie and -shared.
755 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
758 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
759 Remove note on size/offset limitation.
760 (AVR Variable Attributes): Add example how to read data located
761 with progmem. Refer to named address spaces.
762 * doc/invoke.texi (AVR Options): Fix typo.
764 2012-01-24 Richard Guenther <rguenther@suse.de>
766 Forward-port to trunk
767 2010-09-21 Jakub Jelinek <jakub@redhat.com>
770 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
771 op0 isn't sufficiently aligned and there is movmisalignM
772 insn for mode, use it to load op0 into a temporary register.
774 2012-01-24 Jakub Jelinek <jakub@redhat.com>
777 * target.def (const_not_ok_for_debug_p): New hook.
778 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
780 * doc/tm.texi: Regenerated.
781 * dwarf2out.c (const_ok_for_output_1): If
782 targetm.const_not_ok_for_debug_p returns true, fail.
783 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
785 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
787 2012-01-23 Kai Tietz <ktietz@redhat.com>
790 * config/i386/predicates.md (symbolic_operand): Allow
791 UNSPEC_PCREL as PIC expression for lea.
792 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
793 * config/i386/i386.c (ix86_delegitimize_address): Handle
794 UNSPEC_PCREL for none-MEM, too.
796 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
798 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
799 (ipa_tm_create_version_alias): Same.
801 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
804 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
805 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
807 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
808 Patrick Marlier <patrick.marlier@gmail.com>
809 Iain Sandoe <developer@sandoe-acoustics.co.uk>
812 * lto-wrapper.c (run_gcc): Pass the LTO section name to
813 simple_object_start_read.
815 2012-01-23 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/51895
819 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
820 parameter decomposition into BLKmode components.
822 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
824 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
825 fake variables for restrict-qualified pointers whose pointed-to type
826 contains a placeholder.
828 2012-01-23 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/51949
831 * ipa-split.c (execute_split_functions): Do not split malloc functions.
833 2012-01-23 Jakub Jelinek <jakub@redhat.com>
835 PR rtl-optimization/51933
836 * ree.c (transform_ifelse): Return true right away if dstreg is
837 already wider or equal to cand->mode.
838 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
839 (make_defs_and_copies_lists): Remove defs_list and copies_list
840 arguments, add state argument, just truncate state->work_list
841 instead of always allocating and freeing the vector. Assert that
842 get_defs succeeds instead of returning 2. Changed return type to bool.
843 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
844 have ext_src_mode, see if it has been modified already with the
845 right kind of extension and has been extended before from the
846 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
847 just return true. Remember the original mode in state->modified array.
848 (combine_reaching_defs): Add state argument. Don't allocate and
849 free here def_list, copied_list and vec vectors, instead just
850 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
851 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
852 Add state variable, clear vectors in it, initialize state.modified
853 if needed. Free all the vectors at the end and state.modified too.
854 Don't skip a candidate if the extension expression has been modified.
856 2012-01-22 Douglas B Rupp <rupp@gnat.com>
859 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
860 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
861 (extra_options) interix.opt -> i386/interix.opt"
862 (extra_objs):Add winnt-stubs.o
863 * configure.ac: Add interix to target_os .comm on PE check.
864 * configure: Regenerate.
865 * config/interix3.h: Delete and move bits to..
866 * config/interix.h: Delete and move bits to..
867 * config/i386/i386-interix3.h: Delete and move bits to..
868 * config/i386/i386-interix.h: ..here.
869 (TARGET_CPU_DEFAULT): Remove redefinition.
870 (TARGET_ASM_CONSTRUCTOR): Undefine.
871 (SUBTARGET_SWITCHES): Define for ms-bitfields.
872 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
873 (PTRDIFF_TYPE): Define.
874 (LONG_DOUBLE_TYPE_SIZE): Define.
875 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
876 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
877 (TARGET_SECTION_TYPE_FLAGS): Define.
878 (ASM_DECLARE_FUNCTION_NAME): Define.
879 (ASM_OUTPUT_EXTERNAL): Define.
880 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
881 (ASM_OUTPUT_ALIGNED_BSS): Define.
882 (PCC_BITFIELD_TYPE_MATTERS): Define.
883 (USE_CONST_SECTION): Define.
884 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
885 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
886 (SUPPORTS_ONE_ONLY): Remove.
887 (I386_PE_STRIP_ENCODING): Define.
888 * config/interix.opt: Delete and move bits to..
889 * config/i386/interix.opt: ..here. New.
890 (mpe-aligned-commons): Add.
891 * config/i386/t-interix: Add copyright header.
892 (winnt-stubs.o): Add rule.
894 2012-01-22 Jason Merrill <jason@redhat.com>
897 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
898 for extra name aliases.
900 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
902 PR rtl-optimization/51924
903 * ree.c (combine_set_extension): Improve debugging message.
904 (combine_reaching_defs): Likewise.
905 (get_defs): Rename confusingly named variable.
906 (find_and_remove_re): Skip a candidate if the extension expression has
909 2012-01-21 Robert Millan <rmh@gnu.org>
910 Gerald Pfeifer <gerald@pfeifer.com>
912 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
913 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
915 2012-01-20 Jakub Jelinek <jakub@redhat.com>
917 PR tree-optimization/51914
918 * tree-vect-stmts.c (vectorizable_conversion): For
919 cvt_type && modifier == WIDEN, put temporary with cvt_type
920 at the beginning of vec_dsts and set vec_dest to temporary
923 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
925 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
927 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
929 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
930 * config/rs6000/rs6000.c: Likewise.
932 2012-01-20 Jakub Jelinek <jakub@redhat.com>
935 * config/arm/arm.c (arm_count_output_move_double_insns): Call
936 output_move_double on a copy of operands array.
938 2012-01-20 Cary Coutant <ccoutant@google.com>
939 Dodji Seketeli <dodji@redhat.com>
942 * dwarf2out.c (copy_declaration_context): Return ref to parent
943 of declaration DIE, if necessary.
944 (remove_child_or_replace_with_skeleton): Add new parameter; update
945 caller. Place skeleton DIE under parent DIE of original declaration.
946 Move call to copy_declaration_context to here ...
947 (break_out_comdat_types): ... from here.
949 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
951 PR rtl-optimization/51856
952 * reload.c (find_reloads_subreg_address): Set the address_reloaded
955 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
958 * config/arm/arm.c (arm_print_operand): Correct output of alignment
959 hints for neon loads and stores.
961 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
965 * doc/extend.texi (Named Address Spaces): Split into subsections.
966 (AVR Named Address Spaces): New subsection.
967 (M32C Named Address Spaces): New subsection.
968 (RL78 Named Address Spaces): New subsection.
969 (SPU Named Address Spaces): New subsection.
970 (Variable Attributes): New anchor "AVR Variable Attributes".
971 (AVR Variable Attributes): Rewrite and avoid wording
972 "address space" in this context.
973 * doc/invoke.texi (AVR Options): Rewrite and add documentation
974 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
975 (AVR Built-in Macros): New subsubsection therein.
976 * doc/md.texi (AVR constraints): Remove "C04", "R".
978 2012-01-20 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/51903
981 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
984 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
987 * config/arm/arm.c (arm_load_pic_register): Use
988 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
989 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
990 (arm_pic_static_addr): Likewise.
991 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
992 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
993 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
994 (pic_load_addr_unified): New.
996 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
999 * function.c (instantiate_virtual_regs_in_insn): Use
1000 delete_insn_and_edges when removing a wrong asm insn.
1002 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1004 PR rtl-optimization/40761
1005 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1006 Add new member loop_num.
1007 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1008 (ira_build): Remove the parameter.
1010 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1011 (ira.c): Do not build CFG loops for one region allocation. Remove
1012 argument from ira_build call.
1014 * ira-build.c (init_loop_tree_node): New function.
1015 (create_loop_tree_nodes): Use it. Separate the case when CFG
1016 loops are not built.
1017 (more_one_region_p): Check current_loops.
1018 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1020 (add_loop_to_tree): Process loop equal to NULL too.
1021 (form_loop_tree): Separate the case when CFG loops are not built.
1022 Use explicitly number for the root.
1023 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1025 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1026 instead of loop->num.
1027 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1028 (mark_all_loops_for_removal): Ditto.
1029 (remove_unnecessary_regions): Separate the case when CFG loops
1031 (ira_build): Remove the parameter. Use explicit number of regions
1032 when CFG loops are not built.
1034 * ira-color.c (print_loop_title): Separate the case for the root node.
1035 Use loop_num instead of loop->num.
1036 (move_spill_restore): Use loop_num instead of loop->num.
1038 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1039 (change_loop): Ditto.
1040 (change_loop): Use loop_num instead of loop->num.
1042 * ira-lives.c (process_bb_node_lives): Ditto.
1044 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1046 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1048 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1051 * tree-mudflap.c (mf_artificial): New function.
1052 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1053 mx_register_decls, mudflap_enqueue_decl): Use it.
1056 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1057 numbers in the insn pattern.
1059 2012-01-19 Michael Matz <matz@suse.de>
1061 PR tree-optimization/46590
1062 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1063 use it in remembering which conflicts we already created.
1064 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1067 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1070 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1071 (merge_and_complain): Same.
1073 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1076 * config/initfini-array.h: Guard content of the header
1077 with #ifdef HAVE_INITFINI_ARRAY.
1078 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1079 Add initfini-array.h to tm_file here.
1080 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1081 * config.gcc: Don't add initfini-array.h to tm_file here.
1082 * configure: Regenerated.
1084 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1086 PR rtl-optimization/51505
1087 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1088 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1089 (df_note_bb_compute): Update the call to df_kill_notes.
1091 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1093 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1095 2012-01-18 Richard Guenther <rguenther@suse.de>
1097 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1098 of conversions to void *.
1100 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1101 Richard Sandiford <rdsandiford@googlemail.com>
1105 * optabs.h (simplify_expand_binop): Declare.
1106 * optabs.c (simplify_expand_binop): Make global.
1107 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1108 endian targets if the source cannot be exactly covered by word
1111 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1114 * hard-reg-set.h (struct hard_reg_set_container): New type.
1115 * target.h (struct hard_reg_set_container): Forward declare.
1116 * target.def (set_up_by_prologue): New target hook.
1117 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1118 * doc/tm.texi: Regenerated.
1119 * function.c (thread_prologue_and_epilogue_insns): Change
1120 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1121 Call targetm.set_up_by_prologue on it.
1122 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1123 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1125 2012-01-17 Nick Clifton <nickc@redhat.com>
1127 * config/rx/rx.c (rx_can_use_simple_return): New function.
1128 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1129 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1131 2012-01-17 Richard Guenther <rguenther@suse.de>
1134 * expr.c (expand_assignment): Take address-space information
1135 from the address operand of MEM_REF and TARGET_MEM_REF.
1136 (expand_expr_real_1): Likewise.
1138 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1140 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1141 reload dump is requested.
1143 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1146 * trans-mem.c (requires_barrier): Call may_be_aliased.
1148 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1150 PR tree-optimization/51877
1151 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1152 call arguments and fndecls compare equal, instead return false if they
1153 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1154 both SSA_NAMEs that are valueized the same, or they satisfy
1157 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1159 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1161 * configure: Regenerate.
1163 2012-01-16 Jan Hubicka <jh@suse.cz>
1167 * convert.c (convert_to_integer): Use fold_convert for
1168 converting an INTEGER_CST to integer type.
1170 2012-01-16 Jason Merrill <jason@redhat.com>
1173 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1175 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1178 * config/s390/s390.c (s390_chunkify_start): Don't skip
1179 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1180 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1181 If insn is followed by NOTE_INSN_VAR_LOCATION or
1182 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1183 Don't use location of note insns.
1185 PR tree-optimization/51865
1186 * tree-inline.c (tree_function_versioning): Call remap_decl
1187 on DECL_RESULT whenever it has VOID_TYPE_P type.
1189 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1191 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1192 for calls to locally-binding MIPS16 functions if only the return
1193 type uses float regs.
1195 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1196 Richard Sandiford <rdsandiford@googlemail.com>
1198 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1199 (SYMBOL_32_HIGH): Likewise.
1200 (mips_output_tls_reloc_directive): Declare.
1201 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1202 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1203 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1204 (mips_lo_relocs, mips_hi_relocs): Make extern.
1205 (mips16_stub_function): Move up file.
1206 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1207 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1208 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1209 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1210 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1211 (mips_get_tp): Add MIPS16 support.
1212 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1213 Generalize DTPREL and TPREL handling.
1214 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1215 Add MIPS16 TLS support.
1216 (mips_output_tls_reloc_directive): New function.
1217 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1218 * config/mips/predicates.md (symbolic_operand_with_high)
1219 (tls_reloc_operand): New predicates.
1220 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1221 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1222 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1223 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1224 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1225 (*tls_get_tp_mips16_call_<mode>): Likewise.
1227 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1229 PR rtl-optimization/51821
1230 * recog.c (peep2_find_free_register): Determine clobbered registers
1233 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1236 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1237 * config/avr/avr.c: Likewise.
1238 * config/avr/avr.h: Likewise.
1240 2012-01-13 Ian Lance Taylor <iant@google.com>
1243 * tree.h (TYPE_QUALS): Add cast to int.
1244 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1246 2012-01-13 Ian Lance Taylor <iant@google.com>
1248 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1249 comparing param_index to VEC_length result.
1251 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1253 * c-decl.c: Do not include tree-mudflap.h
1254 * tree-optimize.c: Likewise.
1255 * Makefile.in: Update dependencies.
1257 2012-01-13 Richard Guenther <rguenther@suse.de>
1260 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1261 variable-sized result always use RSO.
1263 2012-01-12 DJ Delorie <dj@redhat.com>
1265 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1266 pointer type, not just the default pointer type.
1268 2012-01-09 Richard Henderson <rth@redhat.com>
1269 Denis Chertykov <chertykov@gmail.com>
1272 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1273 * config/avr/avr.c (avr_can_eliminate): Simplify.
1274 (avr_initial_elimination_offset): Likewise.
1275 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1276 (expand_epilogue): Likewise.
1277 (avr_legitimize_address): Gut.
1278 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1279 (avr_hard_regno_nregs): New.
1280 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1281 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1282 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1283 add soft frame pointer.
1284 (CALL_USED_REGISTERS): Likewise.
1285 (REG_CLASS_CONTENTS): Likewise.
1286 (REGISTER_NAMES): Likewise.
1287 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1288 (HARD_FRAME_POINTER_REGNUM): New.
1289 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1290 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1291 remove the HARD_FRAME_POINTER self-elimination.
1293 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1296 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1297 DECL_EXTERNAL when checking for initializers of progmem variables.
1299 2012-01-12 Ira Rosen <irar@il.ibm.com>
1301 PR tree-optimization/51799
1302 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1303 that the last operation is a type demotion.
1305 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1307 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1308 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1310 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1313 * combine.c (distribute_notes): If i3 is a noreturn call,
1314 allow old_size to be equal to args_size and make sure the
1315 noreturn call gets REG_ARGS_SIZE note.
1316 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1317 on noreturn calls even when the delta is 0.
1319 2012-01-11 Nathan Sidwell <nathan@acm.org>
1321 * gcov.c (STRING_SIZE): Remove.
1322 (generate_results): Erase annotations for source files with no
1323 coverage information.
1325 (output_lines): Use it.
1327 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1329 * gimple.h (gimplify_body): Remove first argument.
1330 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1331 pointer set here, instead just pass DATA to walk_tree.
1332 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1333 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1334 (unvisit_body): Likewise, but with unmark_visited.
1335 (gimplify_body): Remove BODY_P argument and adjust.
1336 (gimplify_function_tree): Adjust call to gimplify_body.
1337 * omp-low.c (finalize_task_copyfn): Likewise.
1339 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1341 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1342 (build_function_type_skip_args): Delete.
1343 * tree.c (build_function_type_skip_args): Make static and add
1344 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1345 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1346 pass it to build_function_type_skip_args.
1347 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1348 (tree_function_versioning): Likewise.
1349 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1350 build_function_decl_skip_args.
1351 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1352 and pass it to build_function_decl_skip_args/tree_function_versioning.
1353 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1354 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1355 * trans-mem.c (ipa_tm_create_version): Likewise.
1356 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1357 * tree-inline.c (declare_return_variable): Remove always-true test.
1358 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1359 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1360 * ipa-split.c (split_function): Skip the return value for the split
1361 part if it doesn't return.
1363 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1365 PR tree-optimization/49642
1366 * ipa-split.c (forbidden_dominators): New variable.
1367 (check_forbidden_calls): New function.
1368 (dominated_by_forbidden): Likewise.
1369 (consider_split): Check for forbidden dominators.
1370 (execute_split_functions): Initialize and free forbidden
1371 dominators info; call check_forbidden_calls.
1373 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1375 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1377 2012-01-11 Nick Clifton <nickc@redhat.com>
1379 * config/rx/rx.md (return): Define pattern.
1381 2012-01-11 Richard Guenther <rguenther@suse.de>
1383 * doc/extend.texi (malloc attribute): Adjust according to
1386 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1387 Patrick Marlier <patrick.marlier@gmail.com>
1390 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1391 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1392 (ipa_tm_note_irrevocable): Same.
1393 (ipa_tm_scan_irr_block): Same.
1394 (ipa_tm_decrement_clone_counts): Same.
1395 (ipa_tm_scan_irr_function): Same.
1396 (ipa_tm_create_version_alias): Same.
1397 (ipa_tm_create_version): Same.
1398 (ipa_tm_transform_calls_redirect): Same.
1399 (ipa_tm_transform_calls): Same.
1400 (ipa_tm_transform_transaction): Same.
1401 (ipa_tm_execute): Same.
1403 2012-01-10 Richard Guenther <rguenther@suse.de>
1406 * opts.c (common_handle_option): Handle -Werror.
1408 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1410 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1413 2012-01-10 Jason Merrill <jason@redhat.com>
1415 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1418 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1420 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1421 supports R_386_TLS_GD_PLT reloc.
1422 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1423 supports R_386_TLS_LDM_PLT reloc.
1424 * configure: Regenerate.
1425 * config.in: Regenerate.
1427 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1430 Extend __pgmx semantics to linearize memory.
1431 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1432 determine if code comes inline or from libgcc.
1433 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1434 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1435 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1436 (movmemx_qi, movmemx_hi): New insns.
1437 (xload_<mode>_libgcc): Rewrite to new insn condition.
1438 (xload_<mode>): Remove insns.
1439 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1440 cases that don't satisfy avr_xload_libgcc_p().
1441 (avr_addr_space_convert): Allow converting in any direction.
1442 (avr_addr_space_subset_p): Return always true.
1443 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1444 (avr_emit_movmemhi): Ditto.
1445 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1446 (avr_out_movmem): Ditto.
1447 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1448 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1449 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1450 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1451 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1453 2012-01-10 Richard Guenther <rguenther@suse.de>
1455 PR tree-optimization/50913
1456 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1457 Require data-refs to be representable by Graphite with respect
1460 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1462 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1463 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1465 2012-01-10 Tom de Vries <tom@codesourcery.com>
1467 PR rtl-optimization/51271
1468 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1469 handling annulled branch.
1471 2012-01-10 Richard Henderson <rth@redhat.com>
1473 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1474 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1475 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1476 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1477 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1478 arm_expand_vec_perm_const): New.
1479 * config/arm/arm-protos.h: Update.
1480 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1481 (*neon_vswp<VDQX>): New.
1482 (neon_vcombine<VDX>): Use neon_split_vcombine.
1483 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1484 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1485 (vec_perm<VE>): New.
1487 2012-01-10 Richard Henderson <rth@redhat.com>
1489 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1490 use it if reload_completed.
1491 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1492 arm_output_asm_insn, arm_process_output_memory_barrier,
1493 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1494 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1495 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1496 arm_process_output_sync_insn, arm_output_sync_insn,
1497 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1498 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1499 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1500 (emit_unlikely_jump): New.
1501 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1502 (arm_split_atomic_op): New.
1503 * config/arm/arm-protos.h: Update.
1504 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1505 (struct arm_sync_generator): Remove.
1506 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1507 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1508 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1509 (VUNSPEC_LL, VUNSPEC_SC): New.
1510 (sync_result, sync_memory, sync_required_value, sync_new_value,
1511 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1512 (attr length): Don't use arm_sync_loop_insns.
1513 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1514 (movsfcc, movdfcc): Likewise.
1515 * config/arm/constraints.md (Ua): New.
1516 * config/arm/prediates.md (mem_noofs_operand): New.
1517 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1518 (sync_clobber, sync_t2_reqd): Remove.
1519 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1520 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1521 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1522 (arm_sync_compare_and_swap<SIDI>): Remove.
1523 (arm_sync_compare_and_swap<NARROW>): Remove.
1524 (arm_sync_lock_test_and_set<SIDI>): Remove.
1525 (arm_sync_lock_test_and_set<NARROW>): Remove.
1526 (arm_sync_new_<syncop><SIDI>): Remove.
1527 (arm_sync_new_<syncop><NARROW>): Remove.
1528 (arm_sync_new_nand<SIDI>): Remove.
1529 (arm_sync_new_nand<NARROW>): Remove.
1530 (arm_sync_old_<syncop><SIDI>): Remove.
1531 (arm_sync_old_<syncop><NARROW>): Remove.
1532 (arm_sync_old_nand<SIDI>): Remove.
1533 (arm_sync_old_nand<NARROW>): Remove.
1534 (*memory_barrier): Merge arm_output_memory_barrier.
1535 (atomic_compare_and_swap<QHSD>): New.
1536 (atomic_compare_and_swap<NARROW>_1): New.
1537 (atomic_compare_and_swap<SIDI>_1): New.
1538 (atomic_exchange<QHSD>): New.
1539 (cas_cmp_operand, cas_cmp_str): New.
1540 (atomic_op_operand, atomic_op_str): New.
1541 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1542 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1543 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1544 (arm_load_exclusive<NARROW>): New.
1545 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1546 (arm_store_exclusive<QHSD>): New.
1548 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1550 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1551 reload patterns if -mvsx-scalar-memory.
1553 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1554 generated, even -mno-vsx-scalar-double was used.
1555 (vsx_xscvdpsp_scalar): Likewise.
1556 (vsx_xscvspdp_scalar2): Likewise.
1558 2012-01-09 Tom de Vries <tom@codesourcery.com>
1559 Andrew Pinski <apinski@cavium.com>
1562 * reorg.c (fill_slots_from_thread): Don't speculate
1563 frame-related insns.
1565 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1567 * sched-int.h (bb_note): Move to...
1568 * basic-block.h: ...here.
1569 * haifa-sched.c (bb_note): Move to...
1570 * cfgrtl.c: ...here.
1571 * function.c (next_block_for_reg): New function.
1572 (move_insn_for_shrink_wrap): Likewise.
1573 (prepare_shrink_wrap): Rewrite to use the above.
1575 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1577 * gimple.c (is_gimple_non_addressable): Remove.
1578 * gimple.h: Remove is_gimple_non_addressable.
1579 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1580 is_gimple_non_addressable.
1581 * trans-mem.c (expand_assign_tm): Same.
1583 2012-01-09 Richard Guenther <rguenther@suse.de>
1585 PR tree-optimization/51775
1586 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1587 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1589 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1591 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1593 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1595 2012-01-09 Richard Guenther <rguenther@suse.de>
1597 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1599 2012-01-08 Jan Hubicka <jh@suse.cz>
1601 PR tree-optimize/51680
1602 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1603 on when known_vals needs to be computed; cleanup.
1605 2012-01-08 Jan Hubicka <jh@suse.cz>
1607 PR tree-optimize/51694
1608 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1610 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1612 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1613 for -std=c++98 and -std=c++11 too.
1615 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1617 * cfgloop.c (cancel_loop): Add free() of bbs array.
1619 2012-01-07 Jan Hubicka <jh@suse.cz>
1621 PR tree-optimization/51600
1622 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1623 that benefits small functions.
1625 2012-01-07 Jan Hubicka <jh@suse.cz>
1627 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1629 2012-01-07 Jan Hubicka <jh@suse.cz>
1631 PR tree-optimization/51680
1632 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1633 whose inlining reduce unit size.
1635 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1638 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1639 Add canonical node to containing_mem chain after the non-canonical
1640 one, even if there weren't any locs to propagate.
1641 (remove_useless_values): Keep only canonical values.
1642 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1643 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1644 canonicalize mem_chain elements that are not discarded.
1646 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1649 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1650 before emitting functions.
1652 PR gcov-profile/50127
1653 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1654 clear_aux_for_blocks.
1656 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1659 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1661 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1663 * c-decl.c (ext_block): Moved up.
1664 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1666 2012-01-06 Han Shen <shenhan@google.com>
1668 Translate built-in include paths for sysroot.
1669 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1670 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1672 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1673 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1675 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1676 control whether sysroot should be prepended to gxx include dir.
1678 * configure: Regenerate.
1680 2012-01-06 Torvald Riegel <triegel@redhat.com>
1682 PR rtl-optimization/51771
1683 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1684 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1686 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1688 PR tree-optimization/51315
1689 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1690 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1692 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1695 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1696 for shrp pattern. Correctly handle and fixup shift variable.
1697 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1699 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1702 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1703 note when !ACCUMULATE_OUTGOING_ARGS.
1705 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1707 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1709 (extract_range_from_unary_expr_1): Avoid useless computations.
1711 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1713 PR rtl-optimization/51767
1714 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1715 of jump_block and add an extra edge for degenerated asm gotos.
1718 * stmt.c (check_unique_operand_names): Don't ICE during error
1719 reporting if i is from labels chain.
1722 * profile.c (branch_prob): Split bbs that have exit edge
1723 and need a fake entry edge too.
1725 2012-01-05 Jan Hubicka <jh@suse.cz>
1728 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1731 2012-01-05 Richard Guenther <rguenther@suse.de>
1734 * tree-streamer-out.c (write_ts_optimization): New function.
1735 (streamer_write_tree_body): Call it.
1736 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1737 (streamer_read_tree_body): Call it.
1738 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1740 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1743 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1744 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1745 in_cleanup_point_expr before gimplify_stmt call and restore it
1747 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1748 in_cleanup_point_expr is false.
1750 2012-01-05 Richard Guenther <rguenther@suse.de>
1753 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1755 * toplev.c (process_options): Reject combining mudflap and LTO.
1756 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1758 2012-01-05 Richard Guenther <rguenther@suse.de>
1760 PR tree-optimization/51760
1761 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1763 (bit_value_unop): Handle UNDEFINED operands.
1764 (bit_value_binop): Likewise.
1766 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1768 * config/avr/avr.c (avr_replace_prefix): Remove.
1769 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1770 (avr_asm_function_rodata_section): Ditto.
1771 (avr_asm_select_section): Ditto.
1773 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1775 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1778 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1781 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1782 calls that have any non-fake successor edges.
1785 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1787 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1789 PR tree-optimization/51624
1790 * tree-sra.c (build_ref_for_model): When replicating a chain of
1791 COMPONENT_REFs, stop as soon as the offset would become negative.
1793 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1796 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1797 in .debug_loc on the floor.
1799 2012-01-04 Andrew Pinski <apinski@cavium.com>
1801 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1803 2012-01-04 Andrew Pinski <apinski@cavium.com>
1804 Adam Nemet <anemet@caviumnetworks.com>
1806 * config/mips/mips.md (size): Add SI and DI.
1807 (SIZE): New mode attribute.
1808 (U): New code attribute.
1809 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1810 (mips_lbux_<mode>): Delete.
1811 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1812 (mips_lhx): Use gen_mips_lhx_extsi.
1813 (mips_lhx_<mode>): Delete.
1815 (mips_l<size>x): New expand.
1816 (mips_lwx_<mode>): Delete.
1817 (mips_l<GPR:size>x_<P:mode>): New pattern.
1818 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1819 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1820 * config/mips/mips.c (mips_lx_address_p): New function.
1821 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1822 (dsp64): New availability predicate.
1823 (mips_builtins): Add an entry for __builtin_mips_ldx.
1824 * config/mips/mips.h (ISA_HAS_LBX): New define.
1825 (ISA_HAS_LBUX): Likewise.
1826 (ISA_HAS_LHX): Likewise.
1827 (ISA_HAS_LHUX): Likewise.
1828 (ISA_HAS_LWX): Likewise.
1829 (ISA_HAS_LWUX): Likewise.
1830 (ISA_HAS_LDX): Likewise.
1831 * doc/extend.texi (__builtin_mips_ldx): Document.
1833 2012-01-04 Tristan Gingold <gingold@adacore.com>
1835 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1836 when long pointers are used.
1837 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1838 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1839 (ia64-hp-*vms*): Remove.
1840 * config/vms/xm-vms64.h: Delete.
1842 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1845 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1847 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1849 * opts.c (finish_options): Remove duplicate sorry.
1851 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1854 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1857 2012-01-04 Richard Guenther <rguenther@suse.de>
1860 * tree.c (size_low_cst): New function.
1861 * tree.h (size_low_cst): Declare.
1862 * fold-const.c (fold_comparison): Use it to extract the low
1863 part of the POINTER_PLUS_EXPR offset.
1865 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1867 Fix clearing ZERO_REG
1868 * config/avr/avr.md (cc): Add alternative "ldi".
1869 (movqi_insn): Use it in cc attribute.
1870 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1871 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1872 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1874 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1876 * configure: Regenerate.
1878 2012-01-04 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/49651
1881 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1882 (var_can_have_subvars): Use it.
1883 (get_constraint_for_1): Only consider subfields if there can be any.
1885 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1888 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1889 to its new canonical_cselib_val and the cselib_val was in
1890 first_containing_mem chain, but the canonical_cselib_val was not,
1891 add the latter into the chain.
1892 (cselib_invalidate_mem): Compare canonical_cselib_val of
1893 addr_list chain elt with v.
1896 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1897 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1899 (output_macinfo_op): Don't ggc_strdup fd->filename.
1900 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1901 then ggc_strdup it. Don't free inc->info or cur->info.
1902 (output_macinfo): Don't free ref->info or file->info.
1904 2012-01-03 Ira Rosen <irar@il.ibm.com>
1906 PR tree-optimization/51269
1907 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1908 first_niters a pointer.
1909 (slpeel_tree_peel_loop_to_edge): Likewise.
1910 (vect_do_peeling_for_loop_bound): Update call to
1911 slpeel_tree_peel_loop_to_edge.
1912 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1913 here. Remove it from the parameters list.
1914 (vect_do_peeling_for_alignment): Update calls and compute
1917 2012-01-03 Richard Guenther <rguenther@suse.de>
1919 PR tree-optimization/51070
1920 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1921 Properly handle calls.
1923 2012-01-03 Richard Guenther <rguenther@suse.de>
1925 PR tree-optimization/51692
1926 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1927 the LHS of allocation stmts.
1929 2012-01-03 Olivier Hainque <hainque@adacore.com>
1931 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1933 2012-01-03 Olivier Hainque <hainque@adacore.com>
1935 * collect2.c (main): In AIX specific computations for vector
1936 insertions, use CONST_CAST2 to cast from char ** to const char **.
1938 2012-01-03 Richard Guenther <rguenther@suse.de>
1941 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1942 the context of a limbo DIE when it does not already exist.
1944 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1946 PR tree-optimization/51719
1947 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1948 but direct call is, clear direct call's lhs and don't add fallthrough
1949 edge from dcall_bb to join_bb and PHIs.
1951 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1953 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1954 the instructions emitted by the pattern.
1955 ("*TDC_insn_<mode>"): Add comment.
1957 2012-01-03 Richard Guenther <rguenther@suse.de>
1960 * fold-const.c (fold_comparison): Properly canonicalize
1961 tree offset and HOST_WIDE_INT bit position.
1963 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1965 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1966 operands for extzv pattern.
1968 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1971 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1974 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1976 * doc/invoke.texi (-flto and related options): Copy-edit.
1978 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1980 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1982 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1984 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1987 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1989 * expr.h (move_by_pieces_ninsns): Declare.
1990 * expr.c (move_by_pieces_ninsns): Make external.
1991 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1992 (mips_store_by_pieces_p): Likewise.
1993 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1994 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1995 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1996 (mips_store_by_pieces_p): Likewise.
1998 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2000 * passes.c (register_one_dump_file): Free full_name.
2002 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2003 (calculate_elim_costs_all_insns): Free offsets_at and
2004 offsets_known_at at the end and clear the pointers.
2006 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2008 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2009 this option introduced in r180739.
2011 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2014 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2015 (tmake_file target=avr): Add avr/t-multilib.
2017 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2018 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2019 * config/avr/genmultilib.awk: New file.
2020 * config/avr/t-multilib: New auto-generated file.
2021 * config/avr/multilib.h: New auto-generated file.
2022 * config/avr/t-avr (AVR_MCUS): New variable.
2023 (genopt.sh): Use it.
2024 (s-mlib): Depend on t-multilib.
2025 (t-multilib, multilib.h): New dependencies.
2026 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2027 (MULTILIB_OPTIONS): Remove.
2028 (MULTILIB_MATCHES): Remove.
2029 (MULTILIB_DIRNAMES): Remove.
2030 (MULTILIB_EXCEPTIONS): Remove:
2031 * config/avr/genopt.sh: Don't use hard coded file name;
2032 pass AVR_MCUS from t-avr instead.
2034 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2036 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2038 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2040 Implement light-weight DImode support.
2041 * config/avr/avr-dimode.md: New file.
2042 * config/avr/avr.md: Include it.
2043 (adjust_len): Add plus64, compare64.
2044 (HIDI): Remove code iterator.
2045 (code_stdname): New code attribute.
2046 (rotx, rotsmode): Remove DI.
2047 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2049 * config/avr/avr-protos.h (avr_have_dimode): New.
2050 (avr_out_plus64, avr_out_compare64): New.
2051 * config/avr/avr.c (avr_out_compare): Handle DImode.
2052 (avr_have_dimode): New variable definition and initialization.
2053 (avr_out_compare64, avr_out_plus64): New functions.
2054 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2055 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2056 (avr_compare_pattern): Skip DImode comparisons.
2058 2012-01-02 Revital Eres <revital.eres@linaro.org>
2060 * ddg.c (def_has_ccmode_p): New function.
2061 (add_cross_iteration_register_deps,
2062 create_ddg_dep_from_intra_loop_link): Call it.
2064 2012-01-02 Richard Guenther <rguenther@suse.de>
2067 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2069 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2071 * gcc.c (process_command): Update copyright notice dates.
2072 * gcov.c (print_version): Likewise.
2073 * gcov-dump.c (print_version): Likewise.
2074 * mips-tfile.c (main): Likewise.
2075 * mips-tdump.c (main): Likewise.
2077 2012-01-01 Ira Rosen <irar@il.ibm.com>
2079 PR tree-optimization/51704
2080 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2081 a use is inside the basic block or loop before accessing its vect info.
2083 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2085 PR rtl-optimization/51069
2086 * cfgloopmanip.c (remove_path): Removing path making irreducible
2087 region unconditional makes BB part of the region.
2089 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2091 PR tree-optimization/51683
2092 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2093 calls with side-effects.
2094 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2096 Copyright (C) 2012 Free Software Foundation, Inc.
2098 Copying and distribution of this file, with or without modification,
2099 are permitted in any medium without royalty provided the copyright
2100 notice and this notice are preserved.
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