1 2012-02-07 Kai Tietz <ktietz@redhat.com>
2 Dave Korn <dave.korn.cygwin@gmail.com>
5 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
6 Take care that typinfo gets dllexport-attribute.
8 2012-02-07 Jakub Jelinek <jakub@redhat.com>
11 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
12 if modifier < EXPAND_SUM call force_operand on the result.
14 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
16 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
17 adding __forwarder_dst__ prefix if a forwarder_section attribute is
19 (epiphany_function_type): Replace types for specific interrupts with
20 EPIPHANY_FUNCTION_INTERRUPT.
21 (EPIPHANY_INTERRUPT_P): Update.
22 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
24 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
25 <disinterrupt>: Affects type identity.
26 (epiphany_handle_interrupt_attribute): Handle variable number of
28 (epiphany_compute_function_type): Update for new
29 epiphany_function_type definition.
30 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
31 handlers with a longcall forwarder.
32 (epiphany_start_function): Handle multiple interrupt arguments and/or
33 forwarder_section attribute.
35 2012-02-07 Alan Modra <amodra@gmail.com>
38 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
41 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
43 PR tree-optimization/50969
44 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
45 use vec_perm rather than vector_stmt.
46 (vect_model_load_cost): Likewise.
47 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
48 vec_perm to be the same as other vector statements.
49 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
50 cost of vec_perm for TARGET_VSX.
52 2012-02-06 Richard Guenther <rguenther@suse.de>
54 PR tree-optimization/52115
55 * tree-sra.c (access_has_replacements_p): New function.
56 (sra_modify_assign): Use it to decide whether a use is uninitialized.
58 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
61 * trans-mem.c (expand_call_tm): Add an assertion.
62 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
65 2012-02-06 Richard Guenther <rguenther@suse.de>
67 PR tree-optimization/50955
68 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
69 raise cost of expressions that replace an address with an
70 expression based on a different pointer.
72 2012-02-06 Jakub Jelinek <jakub@redhat.com>
75 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
76 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
78 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
81 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
82 -Weffc++ and specify guidelines come from second edition.
84 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
86 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
87 (sibcall_value_multiple_internal, call_split, call_internal_direct)
88 (call_direct_split, call_value_split, call_value_internal_direct)
89 (call_value_direct_split, call_value_multiple_split): Use jal and
92 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
94 * reload1.c (reload_regs_reach_end_p): Replace with...
95 (reload_reg_rtx_reaches_end_p): ...this function.
96 (new_spill_reg_store): Update commentary.
97 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
98 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
99 before setting new_spill_reg_store.
100 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
101 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
102 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
103 for non-spill reload registers.
105 2012-02-05 Ira Rosen <irar@il.ibm.com>
107 PR tree-optimization/52091
108 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
109 (vect_is_simple_use_1): Likewise.
110 * tree-vect-loop.c (vectorizable_reduction): Update calls
111 to vect_is_simple_use_1 and vect_is_simple_use.
112 (vectorizable_live_operation): Likewise.
113 * tree-vect-patterns.c (widened_name_p,
114 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
116 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
117 vectorizable_call, vectorizable_conversion,
118 vectorizable_assignment, vectorizable_shift,
119 vectorizable_operation, vectorizable_store, vectorizable_load):
121 (vect_is_simple_cond): Add an argument, pass it to
122 vect_is_simple_use_1.
123 (vectorizable_condition): Update calls to vect_is_simple_cond,
125 (vect_is_simple_use): Add an argument, the statement in which
126 OPERAND is used. Check that if OPERAND's def stmt is a double
127 reduction phi node, the use is a phi node too.
128 (vect_is_simple_use_1): Add an argument, pass it to
130 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
131 to vect_is_simple_use.
133 2012-02-04 Jakub Jelinek <jakub@redhat.com>
135 PR rtl-optimization/52095
136 * modulo-sched.c (dump_insn_locator): New function.
137 (loop_canon_p, sms_schedule): Use it.
139 PR rtl-optimization/52113
140 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
141 even for decomposable shift/zext insns.
143 2012-02-03 Jakub Jelinek <jakub@redhat.com>
144 Zdenek Dvorak <ook@ucw.cz>
146 PR rtl-optimization/52092
147 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
148 on get_iv_value result.
150 2012-02-02 Andrew Pinski <apinski@cavium.com>
154 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
156 2012-02-02 Jakub Jelinek <jakub@redhat.com>
159 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
161 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
163 PR rtl-optimization/49800
164 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
165 (sched_finish): Call regstat_free_n_sets_and_refs.
167 2012-02-02 Jia Liu <proljc@gmail.com>
169 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
172 2012-02-02 Jan Hubicka <jh@suse.cz>
173 Tom de Vries <tom@codesourcery.com>
176 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
177 * varpool.c (varpool_analyze_pending_decls): Likewise.
179 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
180 Jayant R Sonar <jayant.sonar@kpitcummins.com>
182 * config.gcc: Add cr16-* support.
184 * doc/extend.texi: Document cr16 extensions.
185 * doc/install.texi: Document cr16 install.
186 * doc/invoke.texi: Document cr16 options.
187 * doc/md.texi: Document cr16 constraints.
189 * common/config/cr16/cr16-common.c: New file.
190 * config/cr16/cr16.c: New file.
191 * config/cr16/cr16.h: New file.
192 * config/cr16/cr16.md: New file.
193 * config/cr16/cr16.opt: New file.
194 * config/cr16/cr16-protos.h: New file.
195 * config/cr16/predicates.md: New file.
196 * config/cr16/constraints.md: New file.
197 * config/cr16/t-cr16: New file.
199 2012-02-02 Jakub Jelinek <jakub@redhat.com>
202 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
203 that operands[2] is either immediate, or q_regs_operand.
205 PR tree-optimization/52073
206 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
207 a pattern stmt for pattern uses, ignore uses outside of the loop.
209 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
211 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
212 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
213 (OUT_AS1, OUT_AS2): Remove.
215 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
217 PR rtl-optimization/51374
218 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
219 to cross other volatile_refs_p insns.
221 2012-02-01 Richard Guenther <rguenther@suse.de>
223 * doc/invoke.texi (fno-inline): Clarify documentation.
224 (finline-small-functions): Likewise.
225 (finline-functions): Likewise.
226 * common.opt (finline): Adjust comment and documentation.
227 (finline-small-functions): Clarify documentation.
228 (finline-functions): Likewise.
229 (finline-functions-called-once): Likewise.
231 2012-02-01 Tristan Gingold <gingold@adacore.com>
233 * c-typeck.c (composite_type): Keep mode for pointers.
235 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
237 * function.h (regno_reg_rtx): Adjust comment.
238 * reginfo.c (init_reg_modes_target): Only use the previous mode
239 if it fits within one register. Remove MIPS comment.
241 2012-01-31 Jakub Jelinek <jakub@redhat.com>
244 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
246 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
248 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
251 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
253 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
256 2012-01-31 Jakub Jelinek <jakub@redhat.com>
261 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
263 2012-01-31 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/51528
266 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
269 2012-01-31 Jakub Jelinek <jakub@redhat.com>
274 * ree.c (add_removable_extension): Change def_map argument
275 to unsigned *, store in def_map 1 + offset into *insn_list vector
276 instead of pointers into the vector.
277 (find_removable_extensions): Adjust caller.
279 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
281 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
282 Transform all "* quoted-c-code" to { c-code }.
283 Remove redundant test for "optimize" in combine patterns.
284 Move (include "avr-dimode.md") to end of file.
286 2012-01-30 Bin Cheng <bin.cheng@arm.com>
289 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
290 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
292 2012-01-30 Richard Guenther <rguenther@suse.de>
294 PR tree-optimization/52028
295 * tree-loop-distribution.c (ldist_gen): Properly update
298 2012-01-30 Jakub Jelinek <jakub@redhat.com>
301 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
302 set_cur_line_info_table if not emitting debug info.
304 PR tree-optimization/52046
305 * tree-vect-patterns.c (check_bool_pattern): Give up if
306 a comparison could throw.
309 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
311 2012-01-30 Richard Guenther <rguenther@suse.de>
313 PR tree-optimization/52045
314 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
315 SSA form if cfgcleanup did anything.
317 2012-01-30 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/52045
320 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
321 before computing final todo.
323 2012-01-30 Richard Guenther <rguenther@suse.de>
325 PR tree-optimization/51528
326 * tree-sra.c (sra_modify_assign): Re-factor in preparation
329 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
331 * df-problems.c (df_kill_notes): Check that the use refers
332 to the note under examination.
334 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
337 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
338 parameter and use short-lived pseudos.
339 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
340 (sparc_expand_vector_init): Const-ify local variables and adjust
341 calls to above functions.
343 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
345 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
347 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
349 * doc/invoke.texi: Make usage of "compile time" and
350 "run time"/"runtime" consistent throughout the file.
352 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
354 * config/alpha/alpha.c (alpha_option_overrride): Default to
355 full IEEE compliance mode for Go language.
357 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
359 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
360 (LINK_SSP_SPEC): Define.
362 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
365 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
368 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
370 * doc/invoke.texi: Correct hyphenation of "floating point",
371 "double precision", and related terminology throughout the file.
373 2012-01-28 Jakub Jelinek <jakub@redhat.com>
376 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
377 arm_general_register_operand predicate for operand 2 instead of
380 2012-01-27 Ian Lance Taylor <iant@google.com>
383 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
384 * builtins.c (expand_builtin_init_trampoline): Add onstack
385 parameter. Change caller.
386 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
387 * tree.c (build_common_builtin_nodes): Declare
388 __builtin_init_heap_trampoline.
390 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
392 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
393 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
394 * config/avr/avr.c: Ditto.
395 (avr_regnames): Remove because unused.
396 * config/avr/avr.md (*cpse.ne): New peephole.
397 (*cpse.eq): New peephole from former cpse peepholes.
399 2012-01-27 Michael Eager <eager@eagercon.com>
401 * config/microblaze.c (microblaze_emit_compare): Correct
402 test after pcmp instruction.
404 2012-01-27 Richard Guenther <rguenther@suse.de>
406 PR tree-optimization/52020
407 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
409 2012-01-27 Richard Guenther <rguenther@suse.de>
411 * ipa-pure-const.c (check_stmt): Clobbers do not make a
412 function non-const/pure.
414 2012-01-27 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/50444
417 * tree-sra.c (build_ref_for_offset): Properly adjust the
418 MEM_REF type for unaligned accesses.
420 2012-01-27 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/50444
423 * expr.c (mem_ref_refers_to_non_mem_p): New function.
424 (expand_assignment): Use it. Properly handle misaligned
425 bases when expanding stores to component references.
426 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
429 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
432 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
433 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
434 * tree-data-ref.c (find_data_references_in_loop): Make static.
435 (compute_all_dependences): Change return type to bool. Bail out
436 for too many datarefs in a loop. Move the hunk resetting the data
437 dependences vector from ...
438 (compute_data_dependences_for_loop): ... here. Account for
439 compute_all_dependences returning false.
440 (compute_data_dependences_for_bb): Likewise.
441 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
442 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
444 2012-01-27 Richard Guenther <rguenther@suse.de>
447 * expr.c (store_field): Use the alias-set of the scratch memory
450 2012-01-27 Tom de Vries <tom@codesourcery.com>
452 PR tree-optimization/51990
453 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
455 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
457 2012-01-27 Jakub Jelinek <jakub@redhat.com>
460 * var-tracking.c (reverse_op): Don't add any reverse operation
461 if V already has any constant locations.
463 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
465 * doc/invoke.texi: Correct usage of "command line" (noun)
466 vs "command-line" (adjective) throughout.
468 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
470 * doc/invoke.texi (Language Independent Options): Move
471 -Wcoverage-mismatch blurb from here....
472 (Warning Options): ...to here.
474 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
476 * config/rs6000/rs6000.c (rs6000_option_override_internal):
477 Set rs6000_always_hint to false for 476.
479 2012-01-27 Matthias Klose <doko@ubuntu.com>
481 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
483 * incpath.c (add_standard_paths): Likewise.
485 2012-01-27 Richard Henderson <rth@redhat.com>
487 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
488 * config/m68k/sync.md (atomic_test_and_set): Rename from
489 sync_test_and_setqi and adjust the operands.
490 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
491 and unconditionally enable.
493 2012-01-27 Richard Henderson <rth@redhat.com>
495 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
496 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
497 (ldstub): Rename from ldstubqi.
498 (ldstub<I24MODE>): Remove.
500 2012-01-27 Richard Henderson <rth@redhat.com>
502 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
503 * c-cppbuiltin.c (cpp_atomic_builtins): Define
504 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
505 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
506 * doc/tm.texi: Rebuild.
508 2012-01-27 Richard Henderson <rth@redhat.com>
510 * optabs.c (gen_atomic_test_and_set): Remove default.
511 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
513 2012-01-26 Jakub Jelinek <jakub@redhat.com>
515 PR rtl-optimization/51978
516 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
517 (combine_reaching_defs): Likewise.
518 (struct re_info): Remove.
519 (add_removable_extension): Remove x and data arguments,
520 add insn, insn_list and def_map. Use the arguments directly
521 instead of using struct re_info.
522 (find_removable_extensions): Don't call add_removable_extension
523 through note_stores, instead just call it with single_set
525 (find_and_remove_re): Pass curr_cand->expr instead of
526 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
528 2012-01-26 Michael Matz <matz@suse.de>
530 PR tree-optimization/46590
531 * cfgexpand.c: Revert last change (r183305).
532 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
534 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
535 checking for emptiness.
537 2012-01-26 Jakub Jelinek <jakub@redhat.com>
540 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
541 non-addressable non-BLKmode base correctly.
543 2012-01-26 Michael Matz <matz@suse.de>
545 PR tree-optimization/48794
546 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
547 regions referenced from RESX/EH_DISPATCH.
549 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
551 * config/s390/s390.h: Make BRANCH_COST an option.
552 * config/s390/s390.opt: New option -mbranch-cost.
554 2012-01-26 Richard Henderson <rth@redhat.com>
556 Revert 2012-01-24 change:
557 * trans-mem.c (requires_barrier): Do not instrument thread local
558 variables and emit save/restore for them.
560 2012-01-25 Jakub Jelinek <jakub@redhat.com>
563 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
566 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
568 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
571 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
574 Rename __pgm to __flash.
575 Rename __pgm1 to __flash1.
576 Rename __pgm2 to __flash2.
577 Rename __pgm3 to __flash3.
578 Rename __pgm4 to __flash4.
579 Rename __pgm5 to __flash5.
580 Rename __pgmx to __memx.
581 * doc/extend.texi (AVR Named Address Spaces)
582 Rename address space names as indicated above.
583 * config/avr/avr.c (avr_addrspace): Ditto.
585 * config/avr/avr-protos.h
586 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
587 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
588 * config/avr/predicates.md: Ditto.
589 * config/avr/avr.c Ditto, and
590 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
591 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
593 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
594 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
595 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
596 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
597 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
598 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
599 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
600 * config/avr/avr.c: Ditto.
601 * config/avr/avr.md: Ditto.
603 2012-01-25 Jason Merrill <jason@redhat.com>
606 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
608 2012-01-25 Jakub Jelinek <jakub@redhat.com>
610 PR tree-optimization/51987
611 * tree-data-ref.c (get_references_in_stmt): Handle references in
612 non-volatile GIMPLE_ASM.
614 2012-01-25 Richard Guenther <rguenther@suse.de>
616 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
617 bases are dereferenced.
619 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
621 PR rtl-optimization/48374
622 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
624 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
626 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
627 compute_data_dependences_for_loop returns false.
628 * tree-parloops.c (loop_parallel_p): Likewise.
630 2012-01-25 Richard Guenther <rguenther@suse.de>
632 * tree.h (get_pointer_alignment_1): Declare.
633 * builtins.c (get_pointer_alignment_1): New function.
634 (get_pointer_alignment): Use it.
636 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
638 PR rtl-optimization/48308
639 * combine.c (enum undo_kind): Add UNDO_LINKS.
640 (struct undo): Add member l to other_contents and where.
641 (do_SUBST_LINK): New.
643 (try_combine): Handle LOG_LINKS for the dummy i1 case.
644 (undo_all): Handle UNDO_LINKS.
646 2012-01-25 Richard Henderson <rth@redhat.com>
648 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
651 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
653 * optabs.c (gen_atomic_test_and_set): Use each argument.
655 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
657 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
658 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
659 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
660 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
661 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
662 TARGET_PAIRED_SINGLE_FLOAT.
664 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
666 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
667 (in_struct, return_val): Remove MEM documentation.
668 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
669 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
670 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
672 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
673 * cfgexpand.c (add_alias_set_conflicts): Likewise.
674 * expr.c (store_field): Likewise.
675 * function.c (assign_stack_temp_for_type): Likewise.
676 * ifcvt.c (noce_try_cmove_arith): Likewise.
677 * reload1.c (reload): Likewise.
678 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
679 (alpha_set_memflags): Likewise.
680 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
682 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
684 * rtl.h (true_dependence, canon_true_dependence): Remove varies
686 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
687 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
688 (true_dependence_1, true_dependence, canon_true_dependence): Remove
690 * cselib.c (cselib_rtx_varies_p): Delete.
691 (cselib_invalidate_mem): Update call to canon_true_dependence.
692 * dse.c (record_store, check_mem_read_rtx): Likewise.
693 (scan_reads_nospill): Likewise.
694 * cse.c (check_dependence): Likewise.
695 (cse_rtx_varies_p): Delete.
696 * expr.c (safe_from_p): Update call to true_dependence.
697 * ira.c (validate_equiv_mem_from_store): Likewise.
698 (memref_referenced_p): Likewise.
699 * postreload-gcse.c (find_mem_conflicts): Likewise.
700 * sched-deps.c (sched_analyze_2): Likewise.
701 * store-motion.c (load_kills_store): Likewise.
702 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
703 * gcse.c (mems_conflict_for_gcse_p): Likewise.
704 (compute_transp): Update call to canon_true_dependence.
706 2012-01-25 Richard Henderson <rth@redhat.com>
708 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
709 (maybe_emit_atomic_test_and_set): New.
710 (expand_sync_lock_test_and_set): Use it.
711 (expand_atomic_test_and_set): Likewise.
712 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
713 the implementation; clarify implementation defined details.
714 * doc/md.texi (atomic_test_and_set): Document.
716 2012-01-25 Richard Henderson <rth@redhat.com>
718 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
720 2012-01-25 Richard Henderson <rth@redhat.com>
723 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
724 to effect no-op split.
726 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
729 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
730 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
731 (BT_FN_VOID_PTR_INT_SIZE): New.
732 (BT_FN_UINT_UINT_VAR): Remove.
733 (BT_FN_UINT32_UINT32_VAR): New.
734 (BT_FN_DOUBLE_VPTR): Remove.
735 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
737 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
738 (_ITM_changeTransactionMode): Same.
739 (_ITM_memmoveRtWt): Change return type to void.
740 (_ITM_memcpyRtWt): Same.
741 (_ITM_memsetW): Same.
742 (_ITM_RaRD): Change types to double.
747 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
749 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
750 Patrick Marlier <patrick.marlier@gmail.com>
752 * trans-mem.c (requires_barrier): Do not instrument thread local
753 variables and emit save/restore for them.
755 2012-01-24 Jason Merrill <jason@redhat.com>
758 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
759 output static aliases.
761 2012-01-24 Jakub Jelinek <jakub@redhat.com>
764 * common.opt (-pie, -shared, pie, shared): Change from Common to
766 * gcc.c (display_help): Display help for -pie and -shared.
768 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
771 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
772 Remove note on size/offset limitation.
773 (AVR Variable Attributes): Add example how to read data located
774 with progmem. Refer to named address spaces.
775 * doc/invoke.texi (AVR Options): Fix typo.
777 2012-01-24 Richard Guenther <rguenther@suse.de>
779 Forward-port to trunk
780 2010-09-21 Jakub Jelinek <jakub@redhat.com>
783 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
784 op0 isn't sufficiently aligned and there is movmisalignM
785 insn for mode, use it to load op0 into a temporary register.
787 2012-01-24 Jakub Jelinek <jakub@redhat.com>
790 * target.def (const_not_ok_for_debug_p): New hook.
791 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
793 * doc/tm.texi: Regenerated.
794 * dwarf2out.c (const_ok_for_output_1): If
795 targetm.const_not_ok_for_debug_p returns true, fail.
796 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
798 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
800 2012-01-23 Kai Tietz <ktietz@redhat.com>
803 * config/i386/predicates.md (symbolic_operand): Allow
804 UNSPEC_PCREL as PIC expression for lea.
805 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
806 * config/i386/i386.c (ix86_delegitimize_address): Handle
807 UNSPEC_PCREL for none-MEM, too.
809 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
811 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
812 (ipa_tm_create_version_alias): Same.
814 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
817 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
818 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
820 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
821 Patrick Marlier <patrick.marlier@gmail.com>
822 Iain Sandoe <developer@sandoe-acoustics.co.uk>
825 * lto-wrapper.c (run_gcc): Pass the LTO section name to
826 simple_object_start_read.
828 2012-01-23 Richard Guenther <rguenther@suse.de>
831 PR tree-optimization/51895
832 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
833 parameter decomposition into BLKmode components.
835 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
837 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
838 fake variables for restrict-qualified pointers whose pointed-to type
839 contains a placeholder.
841 2012-01-23 Richard Guenther <rguenther@suse.de>
843 PR tree-optimization/51949
844 * ipa-split.c (execute_split_functions): Do not split malloc functions.
846 2012-01-23 Jakub Jelinek <jakub@redhat.com>
848 PR rtl-optimization/51933
849 * ree.c (transform_ifelse): Return true right away if dstreg is
850 already wider or equal to cand->mode.
851 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
852 (make_defs_and_copies_lists): Remove defs_list and copies_list
853 arguments, add state argument, just truncate state->work_list
854 instead of always allocating and freeing the vector. Assert that
855 get_defs succeeds instead of returning 2. Changed return type to bool.
856 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
857 have ext_src_mode, see if it has been modified already with the
858 right kind of extension and has been extended before from the
859 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
860 just return true. Remember the original mode in state->modified array.
861 (combine_reaching_defs): Add state argument. Don't allocate and
862 free here def_list, copied_list and vec vectors, instead just
863 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
864 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
865 Add state variable, clear vectors in it, initialize state.modified
866 if needed. Free all the vectors at the end and state.modified too.
867 Don't skip a candidate if the extension expression has been modified.
869 2012-01-22 Douglas B Rupp <rupp@gnat.com>
872 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
873 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
874 (extra_options) interix.opt -> i386/interix.opt"
875 (extra_objs):Add winnt-stubs.o
876 * configure.ac: Add interix to target_os .comm on PE check.
877 * configure: Regenerate.
878 * config/interix3.h: Delete and move bits to..
879 * config/interix.h: Delete and move bits to..
880 * config/i386/i386-interix3.h: Delete and move bits to..
881 * config/i386/i386-interix.h: ..here.
882 (TARGET_CPU_DEFAULT): Remove redefinition.
883 (TARGET_ASM_CONSTRUCTOR): Undefine.
884 (SUBTARGET_SWITCHES): Define for ms-bitfields.
885 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
886 (PTRDIFF_TYPE): Define.
887 (LONG_DOUBLE_TYPE_SIZE): Define.
888 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
889 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
890 (TARGET_SECTION_TYPE_FLAGS): Define.
891 (ASM_DECLARE_FUNCTION_NAME): Define.
892 (ASM_OUTPUT_EXTERNAL): Define.
893 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
894 (ASM_OUTPUT_ALIGNED_BSS): Define.
895 (PCC_BITFIELD_TYPE_MATTERS): Define.
896 (USE_CONST_SECTION): Define.
897 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
898 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
899 (SUPPORTS_ONE_ONLY): Remove.
900 (I386_PE_STRIP_ENCODING): Define.
901 * config/interix.opt: Delete and move bits to..
902 * config/i386/interix.opt: ..here. New.
903 (mpe-aligned-commons): Add.
904 * config/i386/t-interix: Add copyright header.
905 (winnt-stubs.o): Add rule.
907 2012-01-22 Jason Merrill <jason@redhat.com>
910 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
911 for extra name aliases.
913 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
915 PR rtl-optimization/51924
916 * ree.c (combine_set_extension): Improve debugging message.
917 (combine_reaching_defs): Likewise.
918 (get_defs): Rename confusingly named variable.
919 (find_and_remove_re): Skip a candidate if the extension expression has
922 2012-01-21 Robert Millan <rmh@gnu.org>
923 Gerald Pfeifer <gerald@pfeifer.com>
925 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
926 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
928 2012-01-20 Jakub Jelinek <jakub@redhat.com>
930 PR tree-optimization/51914
931 * tree-vect-stmts.c (vectorizable_conversion): For
932 cvt_type && modifier == WIDEN, put temporary with cvt_type
933 at the beginning of vec_dsts and set vec_dest to temporary
936 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
938 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
940 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
942 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
943 * config/rs6000/rs6000.c: Likewise.
945 2012-01-20 Jakub Jelinek <jakub@redhat.com>
948 * config/arm/arm.c (arm_count_output_move_double_insns): Call
949 output_move_double on a copy of operands array.
951 2012-01-20 Cary Coutant <ccoutant@google.com>
952 Dodji Seketeli <dodji@redhat.com>
955 * dwarf2out.c (copy_declaration_context): Return ref to parent
956 of declaration DIE, if necessary.
957 (remove_child_or_replace_with_skeleton): Add new parameter; update
958 caller. Place skeleton DIE under parent DIE of original declaration.
959 Move call to copy_declaration_context to here ...
960 (break_out_comdat_types): ... from here.
962 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
964 PR rtl-optimization/51856
965 * reload.c (find_reloads_subreg_address): Set the address_reloaded
968 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
971 * config/arm/arm.c (arm_print_operand): Correct output of alignment
972 hints for neon loads and stores.
974 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
978 * doc/extend.texi (Named Address Spaces): Split into subsections.
979 (AVR Named Address Spaces): New subsection.
980 (M32C Named Address Spaces): New subsection.
981 (RL78 Named Address Spaces): New subsection.
982 (SPU Named Address Spaces): New subsection.
983 (Variable Attributes): New anchor "AVR Variable Attributes".
984 (AVR Variable Attributes): Rewrite and avoid wording
985 "address space" in this context.
986 * doc/invoke.texi (AVR Options): Rewrite and add documentation
987 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
988 (AVR Built-in Macros): New subsubsection therein.
989 * doc/md.texi (AVR constraints): Remove "C04", "R".
991 2012-01-20 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/51903
994 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
997 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1000 * config/arm/arm.c (arm_load_pic_register): Use
1001 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1002 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1003 (arm_pic_static_addr): Likewise.
1004 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1005 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1006 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1007 (pic_load_addr_unified): New.
1009 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1012 * function.c (instantiate_virtual_regs_in_insn): Use
1013 delete_insn_and_edges when removing a wrong asm insn.
1015 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1017 PR rtl-optimization/40761
1018 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1019 Add new member loop_num.
1020 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1021 (ira_build): Remove the parameter.
1023 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1024 (ira.c): Do not build CFG loops for one region allocation. Remove
1025 argument from ira_build call.
1027 * ira-build.c (init_loop_tree_node): New function.
1028 (create_loop_tree_nodes): Use it. Separate the case when CFG
1029 loops are not built.
1030 (more_one_region_p): Check current_loops.
1031 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1033 (add_loop_to_tree): Process loop equal to NULL too.
1034 (form_loop_tree): Separate the case when CFG loops are not built.
1035 Use explicitly number for the root.
1036 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1038 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1039 instead of loop->num.
1040 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1041 (mark_all_loops_for_removal): Ditto.
1042 (remove_unnecessary_regions): Separate the case when CFG loops
1044 (ira_build): Remove the parameter. Use explicit number of regions
1045 when CFG loops are not built.
1047 * ira-color.c (print_loop_title): Separate the case for the root node.
1048 Use loop_num instead of loop->num.
1049 (move_spill_restore): Use loop_num instead of loop->num.
1051 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1052 (change_loop): Ditto.
1053 (change_loop): Use loop_num instead of loop->num.
1055 * ira-lives.c (process_bb_node_lives): Ditto.
1057 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1059 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1061 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1064 * tree-mudflap.c (mf_artificial): New function.
1065 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1066 mx_register_decls, mudflap_enqueue_decl): Use it.
1069 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1070 numbers in the insn pattern.
1072 2012-01-19 Michael Matz <matz@suse.de>
1074 PR tree-optimization/46590
1075 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1076 use it in remembering which conflicts we already created.
1077 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1080 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1083 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1084 (merge_and_complain): Same.
1086 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1089 * config/initfini-array.h: Guard content of the header
1090 with #ifdef HAVE_INITFINI_ARRAY.
1091 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1092 Add initfini-array.h to tm_file here.
1093 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1094 * config.gcc: Don't add initfini-array.h to tm_file here.
1095 * configure: Regenerated.
1097 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1099 PR rtl-optimization/51505
1100 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1101 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1102 (df_note_bb_compute): Update the call to df_kill_notes.
1104 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1106 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1108 2012-01-18 Richard Guenther <rguenther@suse.de>
1110 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1111 of conversions to void *.
1113 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1114 Richard Sandiford <rdsandiford@googlemail.com>
1118 * optabs.h (simplify_expand_binop): Declare.
1119 * optabs.c (simplify_expand_binop): Make global.
1120 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1121 endian targets if the source cannot be exactly covered by word
1124 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1127 * hard-reg-set.h (struct hard_reg_set_container): New type.
1128 * target.h (struct hard_reg_set_container): Forward declare.
1129 * target.def (set_up_by_prologue): New target hook.
1130 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1131 * doc/tm.texi: Regenerated.
1132 * function.c (thread_prologue_and_epilogue_insns): Change
1133 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1134 Call targetm.set_up_by_prologue on it.
1135 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1136 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1138 2012-01-17 Nick Clifton <nickc@redhat.com>
1140 * config/rx/rx.c (rx_can_use_simple_return): New function.
1141 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1142 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1144 2012-01-17 Richard Guenther <rguenther@suse.de>
1147 * expr.c (expand_assignment): Take address-space information
1148 from the address operand of MEM_REF and TARGET_MEM_REF.
1149 (expand_expr_real_1): Likewise.
1151 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1153 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1154 reload dump is requested.
1156 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1159 * trans-mem.c (requires_barrier): Call may_be_aliased.
1161 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1163 PR tree-optimization/51877
1164 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1165 call arguments and fndecls compare equal, instead return false if they
1166 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1167 both SSA_NAMEs that are valueized the same, or they satisfy
1170 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1172 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1174 * configure: Regenerate.
1176 2012-01-16 Jan Hubicka <jh@suse.cz>
1180 * convert.c (convert_to_integer): Use fold_convert for
1181 converting an INTEGER_CST to integer type.
1183 2012-01-16 Jason Merrill <jason@redhat.com>
1186 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1188 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1191 * config/s390/s390.c (s390_chunkify_start): Don't skip
1192 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1193 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1194 If insn is followed by NOTE_INSN_VAR_LOCATION or
1195 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1196 Don't use location of note insns.
1198 PR tree-optimization/51865
1199 * tree-inline.c (tree_function_versioning): Call remap_decl
1200 on DECL_RESULT whenever it has VOID_TYPE_P type.
1202 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1204 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1205 for calls to locally-binding MIPS16 functions if only the return
1206 type uses float regs.
1208 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1209 Richard Sandiford <rdsandiford@googlemail.com>
1211 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1212 (SYMBOL_32_HIGH): Likewise.
1213 (mips_output_tls_reloc_directive): Declare.
1214 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1215 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1216 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1217 (mips_lo_relocs, mips_hi_relocs): Make extern.
1218 (mips16_stub_function): Move up file.
1219 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1220 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1221 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1222 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1223 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1224 (mips_get_tp): Add MIPS16 support.
1225 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1226 Generalize DTPREL and TPREL handling.
1227 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1228 Add MIPS16 TLS support.
1229 (mips_output_tls_reloc_directive): New function.
1230 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1231 * config/mips/predicates.md (symbolic_operand_with_high)
1232 (tls_reloc_operand): New predicates.
1233 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1234 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1235 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1236 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1237 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1238 (*tls_get_tp_mips16_call_<mode>): Likewise.
1240 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1242 PR rtl-optimization/51821
1243 * recog.c (peep2_find_free_register): Determine clobbered registers
1246 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1249 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1250 * config/avr/avr.c: Likewise.
1251 * config/avr/avr.h: Likewise.
1253 2012-01-13 Ian Lance Taylor <iant@google.com>
1256 * tree.h (TYPE_QUALS): Add cast to int.
1257 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1259 2012-01-13 Ian Lance Taylor <iant@google.com>
1261 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1262 comparing param_index to VEC_length result.
1264 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1266 * c-decl.c: Do not include tree-mudflap.h
1267 * tree-optimize.c: Likewise.
1268 * Makefile.in: Update dependencies.
1270 2012-01-13 Richard Guenther <rguenther@suse.de>
1273 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1274 variable-sized result always use RSO.
1276 2012-01-12 DJ Delorie <dj@redhat.com>
1278 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1279 pointer type, not just the default pointer type.
1281 2012-01-09 Richard Henderson <rth@redhat.com>
1282 Denis Chertykov <chertykov@gmail.com>
1285 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1286 * config/avr/avr.c (avr_can_eliminate): Simplify.
1287 (avr_initial_elimination_offset): Likewise.
1288 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1289 (expand_epilogue): Likewise.
1290 (avr_legitimize_address): Gut.
1291 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1292 (avr_hard_regno_nregs): New.
1293 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1294 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1295 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1296 add soft frame pointer.
1297 (CALL_USED_REGISTERS): Likewise.
1298 (REG_CLASS_CONTENTS): Likewise.
1299 (REGISTER_NAMES): Likewise.
1300 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1301 (HARD_FRAME_POINTER_REGNUM): New.
1302 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1303 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1304 remove the HARD_FRAME_POINTER self-elimination.
1306 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1309 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1310 DECL_EXTERNAL when checking for initializers of progmem variables.
1312 2012-01-12 Ira Rosen <irar@il.ibm.com>
1314 PR tree-optimization/51799
1315 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1316 that the last operation is a type demotion.
1318 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1320 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1321 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1323 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1326 * combine.c (distribute_notes): If i3 is a noreturn call,
1327 allow old_size to be equal to args_size and make sure the
1328 noreturn call gets REG_ARGS_SIZE note.
1329 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1330 on noreturn calls even when the delta is 0.
1332 2012-01-11 Nathan Sidwell <nathan@acm.org>
1334 * gcov.c (STRING_SIZE): Remove.
1335 (generate_results): Erase annotations for source files with no
1336 coverage information.
1338 (output_lines): Use it.
1340 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1342 * gimple.h (gimplify_body): Remove first argument.
1343 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1344 pointer set here, instead just pass DATA to walk_tree.
1345 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1346 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1347 (unvisit_body): Likewise, but with unmark_visited.
1348 (gimplify_body): Remove BODY_P argument and adjust.
1349 (gimplify_function_tree): Adjust call to gimplify_body.
1350 * omp-low.c (finalize_task_copyfn): Likewise.
1352 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1354 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1355 (build_function_type_skip_args): Delete.
1356 * tree.c (build_function_type_skip_args): Make static and add
1357 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1358 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1359 pass it to build_function_type_skip_args.
1360 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1361 (tree_function_versioning): Likewise.
1362 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1363 build_function_decl_skip_args.
1364 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1365 and pass it to build_function_decl_skip_args/tree_function_versioning.
1366 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1367 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1368 * trans-mem.c (ipa_tm_create_version): Likewise.
1369 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1370 * tree-inline.c (declare_return_variable): Remove always-true test.
1371 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1372 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1373 * ipa-split.c (split_function): Skip the return value for the split
1374 part if it doesn't return.
1376 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1378 PR tree-optimization/49642
1379 * ipa-split.c (forbidden_dominators): New variable.
1380 (check_forbidden_calls): New function.
1381 (dominated_by_forbidden): Likewise.
1382 (consider_split): Check for forbidden dominators.
1383 (execute_split_functions): Initialize and free forbidden
1384 dominators info; call check_forbidden_calls.
1386 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1388 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1390 2012-01-11 Nick Clifton <nickc@redhat.com>
1392 * config/rx/rx.md (return): Define pattern.
1394 2012-01-11 Richard Guenther <rguenther@suse.de>
1396 * doc/extend.texi (malloc attribute): Adjust according to
1399 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1400 Patrick Marlier <patrick.marlier@gmail.com>
1403 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1404 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1405 (ipa_tm_note_irrevocable): Same.
1406 (ipa_tm_scan_irr_block): Same.
1407 (ipa_tm_decrement_clone_counts): Same.
1408 (ipa_tm_scan_irr_function): Same.
1409 (ipa_tm_create_version_alias): Same.
1410 (ipa_tm_create_version): Same.
1411 (ipa_tm_transform_calls_redirect): Same.
1412 (ipa_tm_transform_calls): Same.
1413 (ipa_tm_transform_transaction): Same.
1414 (ipa_tm_execute): Same.
1416 2012-01-10 Richard Guenther <rguenther@suse.de>
1419 * opts.c (common_handle_option): Handle -Werror.
1421 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1423 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1426 2012-01-10 Jason Merrill <jason@redhat.com>
1428 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1431 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1433 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1434 supports R_386_TLS_GD_PLT reloc.
1435 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1436 supports R_386_TLS_LDM_PLT reloc.
1437 * configure: Regenerate.
1438 * config.in: Regenerate.
1440 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1443 Extend __pgmx semantics to linearize memory.
1444 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1445 determine if code comes inline or from libgcc.
1446 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1447 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1448 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1449 (movmemx_qi, movmemx_hi): New insns.
1450 (xload_<mode>_libgcc): Rewrite to new insn condition.
1451 (xload_<mode>): Remove insns.
1452 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1453 cases that don't satisfy avr_xload_libgcc_p().
1454 (avr_addr_space_convert): Allow converting in any direction.
1455 (avr_addr_space_subset_p): Return always true.
1456 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1457 (avr_emit_movmemhi): Ditto.
1458 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1459 (avr_out_movmem): Ditto.
1460 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1461 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1462 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1463 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1464 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1466 2012-01-10 Richard Guenther <rguenther@suse.de>
1468 PR tree-optimization/50913
1469 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1470 Require data-refs to be representable by Graphite with respect
1473 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1475 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1476 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1478 2012-01-10 Tom de Vries <tom@codesourcery.com>
1480 PR rtl-optimization/51271
1481 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1482 handling annulled branch.
1484 2012-01-10 Richard Henderson <rth@redhat.com>
1486 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1487 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1488 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1489 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1490 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1491 arm_expand_vec_perm_const): New.
1492 * config/arm/arm-protos.h: Update.
1493 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1494 (*neon_vswp<VDQX>): New.
1495 (neon_vcombine<VDX>): Use neon_split_vcombine.
1496 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1497 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1498 (vec_perm<VE>): New.
1500 2012-01-10 Richard Henderson <rth@redhat.com>
1502 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1503 use it if reload_completed.
1504 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1505 arm_output_asm_insn, arm_process_output_memory_barrier,
1506 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1507 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1508 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1509 arm_process_output_sync_insn, arm_output_sync_insn,
1510 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1511 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1512 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1513 (emit_unlikely_jump): New.
1514 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1515 (arm_split_atomic_op): New.
1516 * config/arm/arm-protos.h: Update.
1517 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1518 (struct arm_sync_generator): Remove.
1519 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1520 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1521 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1522 (VUNSPEC_LL, VUNSPEC_SC): New.
1523 (sync_result, sync_memory, sync_required_value, sync_new_value,
1524 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1525 (attr length): Don't use arm_sync_loop_insns.
1526 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1527 (movsfcc, movdfcc): Likewise.
1528 * config/arm/constraints.md (Ua): New.
1529 * config/arm/prediates.md (mem_noofs_operand): New.
1530 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1531 (sync_clobber, sync_t2_reqd): Remove.
1532 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1533 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1534 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1535 (arm_sync_compare_and_swap<SIDI>): Remove.
1536 (arm_sync_compare_and_swap<NARROW>): Remove.
1537 (arm_sync_lock_test_and_set<SIDI>): Remove.
1538 (arm_sync_lock_test_and_set<NARROW>): Remove.
1539 (arm_sync_new_<syncop><SIDI>): Remove.
1540 (arm_sync_new_<syncop><NARROW>): Remove.
1541 (arm_sync_new_nand<SIDI>): Remove.
1542 (arm_sync_new_nand<NARROW>): Remove.
1543 (arm_sync_old_<syncop><SIDI>): Remove.
1544 (arm_sync_old_<syncop><NARROW>): Remove.
1545 (arm_sync_old_nand<SIDI>): Remove.
1546 (arm_sync_old_nand<NARROW>): Remove.
1547 (*memory_barrier): Merge arm_output_memory_barrier.
1548 (atomic_compare_and_swap<QHSD>): New.
1549 (atomic_compare_and_swap<NARROW>_1): New.
1550 (atomic_compare_and_swap<SIDI>_1): New.
1551 (atomic_exchange<QHSD>): New.
1552 (cas_cmp_operand, cas_cmp_str): New.
1553 (atomic_op_operand, atomic_op_str): New.
1554 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1555 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1556 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1557 (arm_load_exclusive<NARROW>): New.
1558 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1559 (arm_store_exclusive<QHSD>): New.
1561 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1563 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1564 reload patterns if -mvsx-scalar-memory.
1566 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1567 generated, even -mno-vsx-scalar-double was used.
1568 (vsx_xscvdpsp_scalar): Likewise.
1569 (vsx_xscvspdp_scalar2): Likewise.
1571 2012-01-09 Tom de Vries <tom@codesourcery.com>
1572 Andrew Pinski <apinski@cavium.com>
1575 * reorg.c (fill_slots_from_thread): Don't speculate
1576 frame-related insns.
1578 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1580 * sched-int.h (bb_note): Move to...
1581 * basic-block.h: ...here.
1582 * haifa-sched.c (bb_note): Move to...
1583 * cfgrtl.c: ...here.
1584 * function.c (next_block_for_reg): New function.
1585 (move_insn_for_shrink_wrap): Likewise.
1586 (prepare_shrink_wrap): Rewrite to use the above.
1588 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1590 * gimple.c (is_gimple_non_addressable): Remove.
1591 * gimple.h: Remove is_gimple_non_addressable.
1592 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1593 is_gimple_non_addressable.
1594 * trans-mem.c (expand_assign_tm): Same.
1596 2012-01-09 Richard Guenther <rguenther@suse.de>
1598 PR tree-optimization/51775
1599 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1600 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1602 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1604 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1606 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1608 2012-01-09 Richard Guenther <rguenther@suse.de>
1610 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1612 2012-01-08 Jan Hubicka <jh@suse.cz>
1614 PR tree-optimize/51680
1615 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1616 on when known_vals needs to be computed; cleanup.
1618 2012-01-08 Jan Hubicka <jh@suse.cz>
1620 PR tree-optimize/51694
1621 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1623 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1625 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1626 for -std=c++98 and -std=c++11 too.
1628 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1630 * cfgloop.c (cancel_loop): Add free() of bbs array.
1632 2012-01-07 Jan Hubicka <jh@suse.cz>
1634 PR tree-optimization/51600
1635 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1636 that benefits small functions.
1638 2012-01-07 Jan Hubicka <jh@suse.cz>
1640 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1642 2012-01-07 Jan Hubicka <jh@suse.cz>
1644 PR tree-optimization/51680
1645 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1646 whose inlining reduce unit size.
1648 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1651 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1652 Add canonical node to containing_mem chain after the non-canonical
1653 one, even if there weren't any locs to propagate.
1654 (remove_useless_values): Keep only canonical values.
1655 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1656 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1657 canonicalize mem_chain elements that are not discarded.
1659 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1662 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1663 before emitting functions.
1665 PR gcov-profile/50127
1666 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1667 clear_aux_for_blocks.
1669 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1672 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1674 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1676 * c-decl.c (ext_block): Moved up.
1677 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1679 2012-01-06 Han Shen <shenhan@google.com>
1681 Translate built-in include paths for sysroot.
1682 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1683 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1685 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1686 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1688 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1689 control whether sysroot should be prepended to gxx include dir.
1691 * configure: Regenerate.
1693 2012-01-06 Torvald Riegel <triegel@redhat.com>
1695 PR rtl-optimization/51771
1696 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1697 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1699 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1701 PR tree-optimization/51315
1702 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1703 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1705 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1708 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1709 for shrp pattern. Correctly handle and fixup shift variable.
1710 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1712 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1715 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1716 note when !ACCUMULATE_OUTGOING_ARGS.
1718 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1720 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1722 (extract_range_from_unary_expr_1): Avoid useless computations.
1724 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1726 PR rtl-optimization/51767
1727 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1728 of jump_block and add an extra edge for degenerated asm gotos.
1731 * stmt.c (check_unique_operand_names): Don't ICE during error
1732 reporting if i is from labels chain.
1735 * profile.c (branch_prob): Split bbs that have exit edge
1736 and need a fake entry edge too.
1738 2012-01-05 Jan Hubicka <jh@suse.cz>
1741 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1744 2012-01-05 Richard Guenther <rguenther@suse.de>
1747 * tree-streamer-out.c (write_ts_optimization): New function.
1748 (streamer_write_tree_body): Call it.
1749 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1750 (streamer_read_tree_body): Call it.
1751 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1753 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1756 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1757 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1758 in_cleanup_point_expr before gimplify_stmt call and restore it
1760 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1761 in_cleanup_point_expr is false.
1763 2012-01-05 Richard Guenther <rguenther@suse.de>
1766 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1768 * toplev.c (process_options): Reject combining mudflap and LTO.
1769 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1771 2012-01-05 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/51760
1774 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1776 (bit_value_unop): Handle UNDEFINED operands.
1777 (bit_value_binop): Likewise.
1779 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1781 * config/avr/avr.c (avr_replace_prefix): Remove.
1782 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1783 (avr_asm_function_rodata_section): Ditto.
1784 (avr_asm_select_section): Ditto.
1786 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1788 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1791 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1794 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1795 calls that have any non-fake successor edges.
1798 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1800 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1802 PR tree-optimization/51624
1803 * tree-sra.c (build_ref_for_model): When replicating a chain of
1804 COMPONENT_REFs, stop as soon as the offset would become negative.
1806 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1809 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1810 in .debug_loc on the floor.
1812 2012-01-04 Andrew Pinski <apinski@cavium.com>
1814 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1816 2012-01-04 Andrew Pinski <apinski@cavium.com>
1817 Adam Nemet <anemet@caviumnetworks.com>
1819 * config/mips/mips.md (size): Add SI and DI.
1820 (SIZE): New mode attribute.
1821 (U): New code attribute.
1822 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1823 (mips_lbux_<mode>): Delete.
1824 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1825 (mips_lhx): Use gen_mips_lhx_extsi.
1826 (mips_lhx_<mode>): Delete.
1828 (mips_l<size>x): New expand.
1829 (mips_lwx_<mode>): Delete.
1830 (mips_l<GPR:size>x_<P:mode>): New pattern.
1831 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1832 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1833 * config/mips/mips.c (mips_lx_address_p): New function.
1834 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1835 (dsp64): New availability predicate.
1836 (mips_builtins): Add an entry for __builtin_mips_ldx.
1837 * config/mips/mips.h (ISA_HAS_LBX): New define.
1838 (ISA_HAS_LBUX): Likewise.
1839 (ISA_HAS_LHX): Likewise.
1840 (ISA_HAS_LHUX): Likewise.
1841 (ISA_HAS_LWX): Likewise.
1842 (ISA_HAS_LWUX): Likewise.
1843 (ISA_HAS_LDX): Likewise.
1844 * doc/extend.texi (__builtin_mips_ldx): Document.
1846 2012-01-04 Tristan Gingold <gingold@adacore.com>
1848 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1849 when long pointers are used.
1850 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1851 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1852 (ia64-hp-*vms*): Remove.
1853 * config/vms/xm-vms64.h: Delete.
1855 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1858 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1860 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1862 * opts.c (finish_options): Remove duplicate sorry.
1864 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1867 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1870 2012-01-04 Richard Guenther <rguenther@suse.de>
1873 * tree.c (size_low_cst): New function.
1874 * tree.h (size_low_cst): Declare.
1875 * fold-const.c (fold_comparison): Use it to extract the low
1876 part of the POINTER_PLUS_EXPR offset.
1878 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1880 Fix clearing ZERO_REG
1881 * config/avr/avr.md (cc): Add alternative "ldi".
1882 (movqi_insn): Use it in cc attribute.
1883 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1884 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1885 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1887 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1889 * configure: Regenerate.
1891 2012-01-04 Richard Guenther <rguenther@suse.de>
1893 PR tree-optimization/49651
1894 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1895 (var_can_have_subvars): Use it.
1896 (get_constraint_for_1): Only consider subfields if there can be any.
1898 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1901 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1902 to its new canonical_cselib_val and the cselib_val was in
1903 first_containing_mem chain, but the canonical_cselib_val was not,
1904 add the latter into the chain.
1905 (cselib_invalidate_mem): Compare canonical_cselib_val of
1906 addr_list chain elt with v.
1909 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1910 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1912 (output_macinfo_op): Don't ggc_strdup fd->filename.
1913 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1914 then ggc_strdup it. Don't free inc->info or cur->info.
1915 (output_macinfo): Don't free ref->info or file->info.
1917 2012-01-03 Ira Rosen <irar@il.ibm.com>
1919 PR tree-optimization/51269
1920 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1921 first_niters a pointer.
1922 (slpeel_tree_peel_loop_to_edge): Likewise.
1923 (vect_do_peeling_for_loop_bound): Update call to
1924 slpeel_tree_peel_loop_to_edge.
1925 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1926 here. Remove it from the parameters list.
1927 (vect_do_peeling_for_alignment): Update calls and compute
1930 2012-01-03 Richard Guenther <rguenther@suse.de>
1932 PR tree-optimization/51070
1933 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1934 Properly handle calls.
1936 2012-01-03 Richard Guenther <rguenther@suse.de>
1938 PR tree-optimization/51692
1939 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1940 the LHS of allocation stmts.
1942 2012-01-03 Olivier Hainque <hainque@adacore.com>
1944 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1946 2012-01-03 Olivier Hainque <hainque@adacore.com>
1948 * collect2.c (main): In AIX specific computations for vector
1949 insertions, use CONST_CAST2 to cast from char ** to const char **.
1951 2012-01-03 Richard Guenther <rguenther@suse.de>
1954 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1955 the context of a limbo DIE when it does not already exist.
1957 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1959 PR tree-optimization/51719
1960 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1961 but direct call is, clear direct call's lhs and don't add fallthrough
1962 edge from dcall_bb to join_bb and PHIs.
1964 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1966 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1967 the instructions emitted by the pattern.
1968 ("*TDC_insn_<mode>"): Add comment.
1970 2012-01-03 Richard Guenther <rguenther@suse.de>
1973 * fold-const.c (fold_comparison): Properly canonicalize
1974 tree offset and HOST_WIDE_INT bit position.
1976 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1978 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1979 operands for extzv pattern.
1981 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1984 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1987 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1989 * doc/invoke.texi (-flto and related options): Copy-edit.
1991 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1993 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1995 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1997 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2000 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2002 * expr.h (move_by_pieces_ninsns): Declare.
2003 * expr.c (move_by_pieces_ninsns): Make external.
2004 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2005 (mips_store_by_pieces_p): Likewise.
2006 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2007 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2008 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2009 (mips_store_by_pieces_p): Likewise.
2011 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2013 * passes.c (register_one_dump_file): Free full_name.
2015 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2016 (calculate_elim_costs_all_insns): Free offsets_at and
2017 offsets_known_at at the end and clear the pointers.
2019 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2021 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2022 this option introduced in r180739.
2024 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2027 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2028 (tmake_file target=avr): Add avr/t-multilib.
2030 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2031 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2032 * config/avr/genmultilib.awk: New file.
2033 * config/avr/t-multilib: New auto-generated file.
2034 * config/avr/multilib.h: New auto-generated file.
2035 * config/avr/t-avr (AVR_MCUS): New variable.
2036 (genopt.sh): Use it.
2037 (s-mlib): Depend on t-multilib.
2038 (t-multilib, multilib.h): New dependencies.
2039 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2040 (MULTILIB_OPTIONS): Remove.
2041 (MULTILIB_MATCHES): Remove.
2042 (MULTILIB_DIRNAMES): Remove.
2043 (MULTILIB_EXCEPTIONS): Remove:
2044 * config/avr/genopt.sh: Don't use hard coded file name;
2045 pass AVR_MCUS from t-avr instead.
2047 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2049 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2051 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2053 Implement light-weight DImode support.
2054 * config/avr/avr-dimode.md: New file.
2055 * config/avr/avr.md: Include it.
2056 (adjust_len): Add plus64, compare64.
2057 (HIDI): Remove code iterator.
2058 (code_stdname): New code attribute.
2059 (rotx, rotsmode): Remove DI.
2060 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2062 * config/avr/avr-protos.h (avr_have_dimode): New.
2063 (avr_out_plus64, avr_out_compare64): New.
2064 * config/avr/avr.c (avr_out_compare): Handle DImode.
2065 (avr_have_dimode): New variable definition and initialization.
2066 (avr_out_compare64, avr_out_plus64): New functions.
2067 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2068 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2069 (avr_compare_pattern): Skip DImode comparisons.
2071 2012-01-02 Revital Eres <revital.eres@linaro.org>
2073 * ddg.c (def_has_ccmode_p): New function.
2074 (add_cross_iteration_register_deps,
2075 create_ddg_dep_from_intra_loop_link): Call it.
2077 2012-01-02 Richard Guenther <rguenther@suse.de>
2080 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2082 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2084 * gcc.c (process_command): Update copyright notice dates.
2085 * gcov.c (print_version): Likewise.
2086 * gcov-dump.c (print_version): Likewise.
2087 * mips-tfile.c (main): Likewise.
2088 * mips-tdump.c (main): Likewise.
2090 2012-01-01 Ira Rosen <irar@il.ibm.com>
2092 PR tree-optimization/51704
2093 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2094 a use is inside the basic block or loop before accessing its vect info.
2096 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2098 PR rtl-optimization/51069
2099 * cfgloopmanip.c (remove_path): Removing path making irreducible
2100 region unconditional makes BB part of the region.
2102 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2104 PR tree-optimization/51683
2105 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2106 calls with side-effects.
2107 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2109 Copyright (C) 2012 Free Software Foundation, Inc.
2111 Copying and distribution of this file, with or without modification,
2112 are permitted in any medium without royalty provided the copyright
2113 notice and this notice are preserved.
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