1 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
3 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
4 always succeed for integers larger than a native word.
6 2012-02-08 Richard Guenther <rguenther@suse.de>
8 PR rtl-optimization/52170
9 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
10 properly handle integer vector modes.
12 2012-02-08 Jakub Jelinek <jakub@redhat.com>
15 * coverage.c: Include target.h.
16 (build_var): Call targetm.strip_name_encoding on the assembler name.
17 Change one _ into . or $ if the target allows it.
18 * Makefile.in (coverage.o): Depend on $(TARGET_H).
20 PR rtl-optimization/52139
21 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
22 is a BARRIER after emit_insn_after_noloc, move BB_END
23 to the last non-BARRIER insn before it.
25 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
28 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
29 (mips_gimplify_va_arg_expr): Call it instead of
30 std_gimplify_va_arg_expr.
32 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
34 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
35 message for -mno-pointers-to-nested-function.
37 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
40 * expr.c (get_inner_reference): If there is an offset, add a negative
41 bit position to it (if any).
43 2012-02-07 Jakub Jelinek <jakub@redhat.com>
45 PR rtl-optimization/52060
46 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
47 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
48 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
49 and/or i0src_copy2 when needed.
51 2012-02-07 Jakub Jelinek <jakub@redhat.com>
53 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
54 or LTOPLUGINSONAME if have_c.
56 * config/freebsd-spec.h: Add comment about what macros can be defined
58 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
59 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
62 2012-02-07 Richard Guenther <rguenther@suse.de>
64 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
65 newline in -alias dumps.
67 2012-02-07 Kai Tietz <ktietz@redhat.com>
68 Dave Korn <dave.korn.cygwin@gmail.com>
71 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
72 Take care that typinfo gets dllexport-attribute.
74 2012-02-07 Jakub Jelinek <jakub@redhat.com>
77 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
78 if modifier < EXPAND_SUM call force_operand on the result.
80 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
82 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
83 adding __forwarder_dst__ prefix if a forwarder_section attribute is
85 (epiphany_function_type): Replace types for specific interrupts with
86 EPIPHANY_FUNCTION_INTERRUPT.
87 (EPIPHANY_INTERRUPT_P): Update.
88 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
90 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
91 <disinterrupt>: Affects type identity.
92 (epiphany_handle_interrupt_attribute): Handle variable number of
94 (epiphany_compute_function_type): Update for new
95 epiphany_function_type definition.
96 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
97 handlers with a longcall forwarder.
98 (epiphany_start_function): Handle multiple interrupt arguments and/or
99 forwarder_section attribute.
101 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
103 2012-02-07 Alan Modra <amodra@gmail.com>
106 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
109 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
111 PR tree-optimization/50969
112 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
113 use vec_perm rather than vector_stmt.
114 (vect_model_load_cost): Likewise.
115 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
116 vec_perm to be the same as other vector statements.
117 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
118 cost of vec_perm for TARGET_VSX.
120 2012-02-06 Richard Guenther <rguenther@suse.de>
122 PR tree-optimization/52115
123 * tree-sra.c (access_has_replacements_p): New function.
124 (sra_modify_assign): Use it to decide whether a use is uninitialized.
126 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
129 * trans-mem.c (expand_call_tm): Add an assertion.
130 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
133 2012-02-06 Richard Guenther <rguenther@suse.de>
135 PR tree-optimization/50955
136 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
137 raise cost of expressions that replace an address with an
138 expression based on a different pointer.
140 2012-02-06 Jakub Jelinek <jakub@redhat.com>
143 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
144 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
146 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
149 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
150 -Weffc++ and specify guidelines come from second edition.
152 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
154 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
155 (sibcall_value_multiple_internal, call_split, call_internal_direct)
156 (call_direct_split, call_value_split, call_value_internal_direct)
157 (call_value_direct_split, call_value_multiple_split): Use jal and
158 jal_macro attributes.
160 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
162 * reload1.c (reload_regs_reach_end_p): Replace with...
163 (reload_reg_rtx_reaches_end_p): ...this function.
164 (new_spill_reg_store): Update commentary.
165 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
166 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
167 before setting new_spill_reg_store.
168 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
169 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
170 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
171 for non-spill reload registers.
173 2012-02-05 Ira Rosen <irar@il.ibm.com>
175 PR tree-optimization/52091
176 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
177 (vect_is_simple_use_1): Likewise.
178 * tree-vect-loop.c (vectorizable_reduction): Update calls
179 to vect_is_simple_use_1 and vect_is_simple_use.
180 (vectorizable_live_operation): Likewise.
181 * tree-vect-patterns.c (widened_name_p,
182 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
184 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
185 vectorizable_call, vectorizable_conversion,
186 vectorizable_assignment, vectorizable_shift,
187 vectorizable_operation, vectorizable_store, vectorizable_load):
189 (vect_is_simple_cond): Add an argument, pass it to
190 vect_is_simple_use_1.
191 (vectorizable_condition): Update calls to vect_is_simple_cond,
193 (vect_is_simple_use): Add an argument, the statement in which
194 OPERAND is used. Check that if OPERAND's def stmt is a double
195 reduction phi node, the use is a phi node too.
196 (vect_is_simple_use_1): Add an argument, pass it to
198 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
199 to vect_is_simple_use.
201 2012-02-04 Jakub Jelinek <jakub@redhat.com>
203 PR rtl-optimization/52095
204 * modulo-sched.c (dump_insn_locator): New function.
205 (loop_canon_p, sms_schedule): Use it.
207 PR rtl-optimization/52113
208 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
209 even for decomposable shift/zext insns.
211 2012-02-03 Jakub Jelinek <jakub@redhat.com>
212 Zdenek Dvorak <ook@ucw.cz>
214 PR rtl-optimization/52092
215 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
216 on get_iv_value result.
218 2012-02-02 Andrew Pinski <apinski@cavium.com>
222 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
224 2012-02-02 Jakub Jelinek <jakub@redhat.com>
227 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
229 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
231 PR rtl-optimization/49800
232 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
233 (sched_finish): Call regstat_free_n_sets_and_refs.
235 2012-02-02 Jia Liu <proljc@gmail.com>
237 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
240 2012-02-02 Jan Hubicka <jh@suse.cz>
241 Tom de Vries <tom@codesourcery.com>
244 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
245 * varpool.c (varpool_analyze_pending_decls): Likewise.
247 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
248 Jayant R Sonar <jayant.sonar@kpitcummins.com>
250 * config.gcc: Add cr16-* support.
252 * doc/extend.texi: Document cr16 extensions.
253 * doc/install.texi: Document cr16 install.
254 * doc/invoke.texi: Document cr16 options.
255 * doc/md.texi: Document cr16 constraints.
257 * common/config/cr16/cr16-common.c: New file.
258 * config/cr16/cr16.c: New file.
259 * config/cr16/cr16.h: New file.
260 * config/cr16/cr16.md: New file.
261 * config/cr16/cr16.opt: New file.
262 * config/cr16/cr16-protos.h: New file.
263 * config/cr16/predicates.md: New file.
264 * config/cr16/constraints.md: New file.
265 * config/cr16/t-cr16: New file.
267 2012-02-02 Jakub Jelinek <jakub@redhat.com>
270 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
271 that operands[2] is either immediate, or q_regs_operand.
273 PR tree-optimization/52073
274 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
275 a pattern stmt for pattern uses, ignore uses outside of the loop.
277 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
279 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
280 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
281 (OUT_AS1, OUT_AS2): Remove.
283 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
285 PR rtl-optimization/51374
286 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
287 to cross other volatile_refs_p insns.
289 2012-02-01 Richard Guenther <rguenther@suse.de>
291 * doc/invoke.texi (fno-inline): Clarify documentation.
292 (finline-small-functions): Likewise.
293 (finline-functions): Likewise.
294 * common.opt (finline): Adjust comment and documentation.
295 (finline-small-functions): Clarify documentation.
296 (finline-functions): Likewise.
297 (finline-functions-called-once): Likewise.
299 2012-02-01 Tristan Gingold <gingold@adacore.com>
301 * c-typeck.c (composite_type): Keep mode for pointers.
303 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
305 * function.h (regno_reg_rtx): Adjust comment.
306 * reginfo.c (init_reg_modes_target): Only use the previous mode
307 if it fits within one register. Remove MIPS comment.
309 2012-01-31 Jakub Jelinek <jakub@redhat.com>
312 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
314 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
316 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
319 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
321 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
324 2012-01-31 Jakub Jelinek <jakub@redhat.com>
329 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
331 2012-01-31 Richard Guenther <rguenther@suse.de>
333 PR tree-optimization/51528
334 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
337 2012-01-31 Jakub Jelinek <jakub@redhat.com>
342 * ree.c (add_removable_extension): Change def_map argument
343 to unsigned *, store in def_map 1 + offset into *insn_list vector
344 instead of pointers into the vector.
345 (find_removable_extensions): Adjust caller.
347 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
349 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
350 Transform all "* quoted-c-code" to { c-code }.
351 Remove redundant test for "optimize" in combine patterns.
352 Move (include "avr-dimode.md") to end of file.
354 2012-01-30 Bin Cheng <bin.cheng@arm.com>
357 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
358 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
360 2012-01-30 Richard Guenther <rguenther@suse.de>
362 PR tree-optimization/52028
363 * tree-loop-distribution.c (ldist_gen): Properly update
366 2012-01-30 Jakub Jelinek <jakub@redhat.com>
369 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
370 set_cur_line_info_table if not emitting debug info.
372 PR tree-optimization/52046
373 * tree-vect-patterns.c (check_bool_pattern): Give up if
374 a comparison could throw.
377 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
379 2012-01-30 Richard Guenther <rguenther@suse.de>
381 PR tree-optimization/52045
382 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
383 SSA form if cfgcleanup did anything.
385 2012-01-30 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/52045
388 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
389 before computing final todo.
391 2012-01-30 Richard Guenther <rguenther@suse.de>
393 PR tree-optimization/51528
394 * tree-sra.c (sra_modify_assign): Re-factor in preparation
397 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
399 * df-problems.c (df_kill_notes): Check that the use refers
400 to the note under examination.
402 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
405 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
406 parameter and use short-lived pseudos.
407 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
408 (sparc_expand_vector_init): Const-ify local variables and adjust
409 calls to above functions.
411 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
413 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
415 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
417 * doc/invoke.texi: Make usage of "compile time" and
418 "run time"/"runtime" consistent throughout the file.
420 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
422 * config/alpha/alpha.c (alpha_option_overrride): Default to
423 full IEEE compliance mode for Go language.
425 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
427 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
428 (LINK_SSP_SPEC): Define.
430 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
433 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
436 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
438 * doc/invoke.texi: Correct hyphenation of "floating point",
439 "double precision", and related terminology throughout the file.
441 2012-01-28 Jakub Jelinek <jakub@redhat.com>
444 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
445 arm_general_register_operand predicate for operand 2 instead of
448 2012-01-27 Ian Lance Taylor <iant@google.com>
451 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
452 * builtins.c (expand_builtin_init_trampoline): Add onstack
453 parameter. Change caller.
454 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
455 * tree.c (build_common_builtin_nodes): Declare
456 __builtin_init_heap_trampoline.
458 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
460 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
461 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
462 * config/avr/avr.c: Ditto.
463 (avr_regnames): Remove because unused.
464 * config/avr/avr.md (*cpse.ne): New peephole.
465 (*cpse.eq): New peephole from former cpse peepholes.
467 2012-01-27 Michael Eager <eager@eagercon.com>
469 * config/microblaze.c (microblaze_emit_compare): Correct
470 test after pcmp instruction.
472 2012-01-27 Richard Guenther <rguenther@suse.de>
474 PR tree-optimization/52020
475 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
477 2012-01-27 Richard Guenther <rguenther@suse.de>
479 * ipa-pure-const.c (check_stmt): Clobbers do not make a
480 function non-const/pure.
482 2012-01-27 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/50444
485 * tree-sra.c (build_ref_for_offset): Properly adjust the
486 MEM_REF type for unaligned accesses.
488 2012-01-27 Richard Guenther <rguenther@suse.de>
490 PR tree-optimization/50444
491 * expr.c (mem_ref_refers_to_non_mem_p): New function.
492 (expand_assignment): Use it. Properly handle misaligned
493 bases when expanding stores to component references.
494 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
497 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
500 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
501 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
502 * tree-data-ref.c (find_data_references_in_loop): Make static.
503 (compute_all_dependences): Change return type to bool. Bail out
504 for too many datarefs in a loop. Move the hunk resetting the data
505 dependences vector from ...
506 (compute_data_dependences_for_loop): ... here. Account for
507 compute_all_dependences returning false.
508 (compute_data_dependences_for_bb): Likewise.
509 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
510 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
512 2012-01-27 Richard Guenther <rguenther@suse.de>
515 * expr.c (store_field): Use the alias-set of the scratch memory
518 2012-01-27 Tom de Vries <tom@codesourcery.com>
520 PR tree-optimization/51990
521 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
523 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
525 2012-01-27 Jakub Jelinek <jakub@redhat.com>
528 * var-tracking.c (reverse_op): Don't add any reverse operation
529 if V already has any constant locations.
531 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
533 * doc/invoke.texi: Correct usage of "command line" (noun)
534 vs "command-line" (adjective) throughout.
536 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
538 * doc/invoke.texi (Language Independent Options): Move
539 -Wcoverage-mismatch blurb from here....
540 (Warning Options): ...to here.
542 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
544 * config/rs6000/rs6000.c (rs6000_option_override_internal):
545 Set rs6000_always_hint to false for 476.
547 2012-01-27 Matthias Klose <doko@ubuntu.com>
549 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
551 * incpath.c (add_standard_paths): Likewise.
553 2012-01-27 Richard Henderson <rth@redhat.com>
555 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
556 * config/m68k/sync.md (atomic_test_and_set): Rename from
557 sync_test_and_setqi and adjust the operands.
558 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
559 and unconditionally enable.
561 2012-01-27 Richard Henderson <rth@redhat.com>
563 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
564 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
565 (ldstub): Rename from ldstubqi.
566 (ldstub<I24MODE>): Remove.
568 2012-01-27 Richard Henderson <rth@redhat.com>
570 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
571 * c-cppbuiltin.c (cpp_atomic_builtins): Define
572 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
573 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
574 * doc/tm.texi: Rebuild.
576 2012-01-27 Richard Henderson <rth@redhat.com>
578 * optabs.c (gen_atomic_test_and_set): Remove default.
579 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
581 2012-01-26 Jakub Jelinek <jakub@redhat.com>
583 PR rtl-optimization/51978
584 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
585 (combine_reaching_defs): Likewise.
586 (struct re_info): Remove.
587 (add_removable_extension): Remove x and data arguments,
588 add insn, insn_list and def_map. Use the arguments directly
589 instead of using struct re_info.
590 (find_removable_extensions): Don't call add_removable_extension
591 through note_stores, instead just call it with single_set
593 (find_and_remove_re): Pass curr_cand->expr instead of
594 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
596 2012-01-26 Michael Matz <matz@suse.de>
598 PR tree-optimization/46590
599 * cfgexpand.c: Revert last change (r183305).
600 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
602 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
603 checking for emptiness.
605 2012-01-26 Jakub Jelinek <jakub@redhat.com>
608 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
609 non-addressable non-BLKmode base correctly.
611 2012-01-26 Michael Matz <matz@suse.de>
613 PR tree-optimization/48794
614 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
615 regions referenced from RESX/EH_DISPATCH.
617 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
619 * config/s390/s390.h: Make BRANCH_COST an option.
620 * config/s390/s390.opt: New option -mbranch-cost.
622 2012-01-26 Richard Henderson <rth@redhat.com>
624 Revert 2012-01-24 change:
625 * trans-mem.c (requires_barrier): Do not instrument thread local
626 variables and emit save/restore for them.
628 2012-01-25 Jakub Jelinek <jakub@redhat.com>
631 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
634 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
636 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
639 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
642 Rename __pgm to __flash.
643 Rename __pgm1 to __flash1.
644 Rename __pgm2 to __flash2.
645 Rename __pgm3 to __flash3.
646 Rename __pgm4 to __flash4.
647 Rename __pgm5 to __flash5.
648 Rename __pgmx to __memx.
649 * doc/extend.texi (AVR Named Address Spaces)
650 Rename address space names as indicated above.
651 * config/avr/avr.c (avr_addrspace): Ditto.
653 * config/avr/avr-protos.h
654 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
655 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
656 * config/avr/predicates.md: Ditto.
657 * config/avr/avr.c Ditto, and
658 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
659 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
661 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
662 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
663 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
664 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
665 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
666 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
667 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
668 * config/avr/avr.c: Ditto.
669 * config/avr/avr.md: Ditto.
671 2012-01-25 Jason Merrill <jason@redhat.com>
674 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
676 2012-01-25 Jakub Jelinek <jakub@redhat.com>
678 PR tree-optimization/51987
679 * tree-data-ref.c (get_references_in_stmt): Handle references in
680 non-volatile GIMPLE_ASM.
682 2012-01-25 Richard Guenther <rguenther@suse.de>
684 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
685 bases are dereferenced.
687 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
689 PR rtl-optimization/48374
690 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
692 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
694 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
695 compute_data_dependences_for_loop returns false.
696 * tree-parloops.c (loop_parallel_p): Likewise.
698 2012-01-25 Richard Guenther <rguenther@suse.de>
700 * tree.h (get_pointer_alignment_1): Declare.
701 * builtins.c (get_pointer_alignment_1): New function.
702 (get_pointer_alignment): Use it.
704 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
706 PR rtl-optimization/48308
707 * combine.c (enum undo_kind): Add UNDO_LINKS.
708 (struct undo): Add member l to other_contents and where.
709 (do_SUBST_LINK): New.
711 (try_combine): Handle LOG_LINKS for the dummy i1 case.
712 (undo_all): Handle UNDO_LINKS.
714 2012-01-25 Richard Henderson <rth@redhat.com>
716 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
719 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
721 * optabs.c (gen_atomic_test_and_set): Use each argument.
723 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
725 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
726 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
727 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
728 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
729 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
730 TARGET_PAIRED_SINGLE_FLOAT.
732 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
734 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
735 (in_struct, return_val): Remove MEM documentation.
736 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
737 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
738 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
740 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
741 * cfgexpand.c (add_alias_set_conflicts): Likewise.
742 * expr.c (store_field): Likewise.
743 * function.c (assign_stack_temp_for_type): Likewise.
744 * ifcvt.c (noce_try_cmove_arith): Likewise.
745 * reload1.c (reload): Likewise.
746 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
747 (alpha_set_memflags): Likewise.
748 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
750 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
752 * rtl.h (true_dependence, canon_true_dependence): Remove varies
754 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
755 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
756 (true_dependence_1, true_dependence, canon_true_dependence): Remove
758 * cselib.c (cselib_rtx_varies_p): Delete.
759 (cselib_invalidate_mem): Update call to canon_true_dependence.
760 * dse.c (record_store, check_mem_read_rtx): Likewise.
761 (scan_reads_nospill): Likewise.
762 * cse.c (check_dependence): Likewise.
763 (cse_rtx_varies_p): Delete.
764 * expr.c (safe_from_p): Update call to true_dependence.
765 * ira.c (validate_equiv_mem_from_store): Likewise.
766 (memref_referenced_p): Likewise.
767 * postreload-gcse.c (find_mem_conflicts): Likewise.
768 * sched-deps.c (sched_analyze_2): Likewise.
769 * store-motion.c (load_kills_store): Likewise.
770 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
771 * gcse.c (mems_conflict_for_gcse_p): Likewise.
772 (compute_transp): Update call to canon_true_dependence.
774 2012-01-25 Richard Henderson <rth@redhat.com>
776 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
777 (maybe_emit_atomic_test_and_set): New.
778 (expand_sync_lock_test_and_set): Use it.
779 (expand_atomic_test_and_set): Likewise.
780 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
781 the implementation; clarify implementation defined details.
782 * doc/md.texi (atomic_test_and_set): Document.
784 2012-01-25 Richard Henderson <rth@redhat.com>
786 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
788 2012-01-25 Richard Henderson <rth@redhat.com>
791 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
792 to effect no-op split.
794 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
797 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
798 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
799 (BT_FN_VOID_PTR_INT_SIZE): New.
800 (BT_FN_UINT_UINT_VAR): Remove.
801 (BT_FN_UINT32_UINT32_VAR): New.
802 (BT_FN_DOUBLE_VPTR): Remove.
803 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
805 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
806 (_ITM_changeTransactionMode): Same.
807 (_ITM_memmoveRtWt): Change return type to void.
808 (_ITM_memcpyRtWt): Same.
809 (_ITM_memsetW): Same.
810 (_ITM_RaRD): Change types to double.
815 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
817 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
818 Patrick Marlier <patrick.marlier@gmail.com>
820 * trans-mem.c (requires_barrier): Do not instrument thread local
821 variables and emit save/restore for them.
823 2012-01-24 Jason Merrill <jason@redhat.com>
826 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
827 output static aliases.
829 2012-01-24 Jakub Jelinek <jakub@redhat.com>
832 * common.opt (-pie, -shared, pie, shared): Change from Common to
834 * gcc.c (display_help): Display help for -pie and -shared.
836 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
839 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
840 Remove note on size/offset limitation.
841 (AVR Variable Attributes): Add example how to read data located
842 with progmem. Refer to named address spaces.
843 * doc/invoke.texi (AVR Options): Fix typo.
845 2012-01-24 Richard Guenther <rguenther@suse.de>
847 Forward-port to trunk
848 2010-09-21 Jakub Jelinek <jakub@redhat.com>
851 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
852 op0 isn't sufficiently aligned and there is movmisalignM
853 insn for mode, use it to load op0 into a temporary register.
855 2012-01-24 Jakub Jelinek <jakub@redhat.com>
858 * target.def (const_not_ok_for_debug_p): New hook.
859 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
861 * doc/tm.texi: Regenerated.
862 * dwarf2out.c (const_ok_for_output_1): If
863 targetm.const_not_ok_for_debug_p returns true, fail.
864 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
866 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
868 2012-01-23 Kai Tietz <ktietz@redhat.com>
871 * config/i386/predicates.md (symbolic_operand): Allow
872 UNSPEC_PCREL as PIC expression for lea.
873 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
874 * config/i386/i386.c (ix86_delegitimize_address): Handle
875 UNSPEC_PCREL for none-MEM, too.
877 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
879 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
880 (ipa_tm_create_version_alias): Same.
882 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
885 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
886 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
888 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
889 Patrick Marlier <patrick.marlier@gmail.com>
890 Iain Sandoe <developer@sandoe-acoustics.co.uk>
893 * lto-wrapper.c (run_gcc): Pass the LTO section name to
894 simple_object_start_read.
896 2012-01-23 Richard Guenther <rguenther@suse.de>
899 PR tree-optimization/51895
900 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
901 parameter decomposition into BLKmode components.
903 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
905 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
906 fake variables for restrict-qualified pointers whose pointed-to type
907 contains a placeholder.
909 2012-01-23 Richard Guenther <rguenther@suse.de>
911 PR tree-optimization/51949
912 * ipa-split.c (execute_split_functions): Do not split malloc functions.
914 2012-01-23 Jakub Jelinek <jakub@redhat.com>
916 PR rtl-optimization/51933
917 * ree.c (transform_ifelse): Return true right away if dstreg is
918 already wider or equal to cand->mode.
919 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
920 (make_defs_and_copies_lists): Remove defs_list and copies_list
921 arguments, add state argument, just truncate state->work_list
922 instead of always allocating and freeing the vector. Assert that
923 get_defs succeeds instead of returning 2. Changed return type to bool.
924 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
925 have ext_src_mode, see if it has been modified already with the
926 right kind of extension and has been extended before from the
927 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
928 just return true. Remember the original mode in state->modified array.
929 (combine_reaching_defs): Add state argument. Don't allocate and
930 free here def_list, copied_list and vec vectors, instead just
931 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
932 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
933 Add state variable, clear vectors in it, initialize state.modified
934 if needed. Free all the vectors at the end and state.modified too.
935 Don't skip a candidate if the extension expression has been modified.
937 2012-01-22 Douglas B Rupp <rupp@gnat.com>
940 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
941 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
942 (extra_options) interix.opt -> i386/interix.opt"
943 (extra_objs):Add winnt-stubs.o
944 * configure.ac: Add interix to target_os .comm on PE check.
945 * configure: Regenerate.
946 * config/interix3.h: Delete and move bits to..
947 * config/interix.h: Delete and move bits to..
948 * config/i386/i386-interix3.h: Delete and move bits to..
949 * config/i386/i386-interix.h: ..here.
950 (TARGET_CPU_DEFAULT): Remove redefinition.
951 (TARGET_ASM_CONSTRUCTOR): Undefine.
952 (SUBTARGET_SWITCHES): Define for ms-bitfields.
953 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
954 (PTRDIFF_TYPE): Define.
955 (LONG_DOUBLE_TYPE_SIZE): Define.
956 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
957 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
958 (TARGET_SECTION_TYPE_FLAGS): Define.
959 (ASM_DECLARE_FUNCTION_NAME): Define.
960 (ASM_OUTPUT_EXTERNAL): Define.
961 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
962 (ASM_OUTPUT_ALIGNED_BSS): Define.
963 (PCC_BITFIELD_TYPE_MATTERS): Define.
964 (USE_CONST_SECTION): Define.
965 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
966 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
967 (SUPPORTS_ONE_ONLY): Remove.
968 (I386_PE_STRIP_ENCODING): Define.
969 * config/interix.opt: Delete and move bits to..
970 * config/i386/interix.opt: ..here. New.
971 (mpe-aligned-commons): Add.
972 * config/i386/t-interix: Add copyright header.
973 (winnt-stubs.o): Add rule.
975 2012-01-22 Jason Merrill <jason@redhat.com>
978 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
979 for extra name aliases.
981 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
983 PR rtl-optimization/51924
984 * ree.c (combine_set_extension): Improve debugging message.
985 (combine_reaching_defs): Likewise.
986 (get_defs): Rename confusingly named variable.
987 (find_and_remove_re): Skip a candidate if the extension expression has
990 2012-01-21 Robert Millan <rmh@gnu.org>
991 Gerald Pfeifer <gerald@pfeifer.com>
993 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
994 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
996 2012-01-20 Jakub Jelinek <jakub@redhat.com>
998 PR tree-optimization/51914
999 * tree-vect-stmts.c (vectorizable_conversion): For
1000 cvt_type && modifier == WIDEN, put temporary with cvt_type
1001 at the beginning of vec_dsts and set vec_dest to temporary
1004 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1006 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1008 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1010 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1011 * config/rs6000/rs6000.c: Likewise.
1013 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1016 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1017 output_move_double on a copy of operands array.
1019 2012-01-20 Cary Coutant <ccoutant@google.com>
1020 Dodji Seketeli <dodji@redhat.com>
1023 * dwarf2out.c (copy_declaration_context): Return ref to parent
1024 of declaration DIE, if necessary.
1025 (remove_child_or_replace_with_skeleton): Add new parameter; update
1026 caller. Place skeleton DIE under parent DIE of original declaration.
1027 Move call to copy_declaration_context to here ...
1028 (break_out_comdat_types): ... from here.
1030 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1032 PR rtl-optimization/51856
1033 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1036 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1039 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1040 hints for neon loads and stores.
1042 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1046 * doc/extend.texi (Named Address Spaces): Split into subsections.
1047 (AVR Named Address Spaces): New subsection.
1048 (M32C Named Address Spaces): New subsection.
1049 (RL78 Named Address Spaces): New subsection.
1050 (SPU Named Address Spaces): New subsection.
1051 (Variable Attributes): New anchor "AVR Variable Attributes".
1052 (AVR Variable Attributes): Rewrite and avoid wording
1053 "address space" in this context.
1054 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1055 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1056 (AVR Built-in Macros): New subsubsection therein.
1057 * doc/md.texi (AVR constraints): Remove "C04", "R".
1059 2012-01-20 Richard Guenther <rguenther@suse.de>
1061 PR tree-optimization/51903
1062 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1063 when removing stmts.
1065 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1068 * config/arm/arm.c (arm_load_pic_register): Use
1069 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1070 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1071 (arm_pic_static_addr): Likewise.
1072 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1073 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1074 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1075 (pic_load_addr_unified): New.
1077 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1080 * function.c (instantiate_virtual_regs_in_insn): Use
1081 delete_insn_and_edges when removing a wrong asm insn.
1083 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1085 PR rtl-optimization/40761
1086 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1087 Add new member loop_num.
1088 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1089 (ira_build): Remove the parameter.
1091 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1092 (ira.c): Do not build CFG loops for one region allocation. Remove
1093 argument from ira_build call.
1095 * ira-build.c (init_loop_tree_node): New function.
1096 (create_loop_tree_nodes): Use it. Separate the case when CFG
1097 loops are not built.
1098 (more_one_region_p): Check current_loops.
1099 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1101 (add_loop_to_tree): Process loop equal to NULL too.
1102 (form_loop_tree): Separate the case when CFG loops are not built.
1103 Use explicitly number for the root.
1104 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1106 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1107 instead of loop->num.
1108 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1109 (mark_all_loops_for_removal): Ditto.
1110 (remove_unnecessary_regions): Separate the case when CFG loops
1112 (ira_build): Remove the parameter. Use explicit number of regions
1113 when CFG loops are not built.
1115 * ira-color.c (print_loop_title): Separate the case for the root node.
1116 Use loop_num instead of loop->num.
1117 (move_spill_restore): Use loop_num instead of loop->num.
1119 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1120 (change_loop): Ditto.
1121 (change_loop): Use loop_num instead of loop->num.
1123 * ira-lives.c (process_bb_node_lives): Ditto.
1125 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1127 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1129 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1132 * tree-mudflap.c (mf_artificial): New function.
1133 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1134 mx_register_decls, mudflap_enqueue_decl): Use it.
1137 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1138 numbers in the insn pattern.
1140 2012-01-19 Michael Matz <matz@suse.de>
1142 PR tree-optimization/46590
1143 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1144 use it in remembering which conflicts we already created.
1145 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1148 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1151 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1152 (merge_and_complain): Same.
1154 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1157 * config/initfini-array.h: Guard content of the header
1158 with #ifdef HAVE_INITFINI_ARRAY.
1159 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1160 Add initfini-array.h to tm_file here.
1161 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1162 * config.gcc: Don't add initfini-array.h to tm_file here.
1163 * configure: Regenerated.
1165 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1167 PR rtl-optimization/51505
1168 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1169 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1170 (df_note_bb_compute): Update the call to df_kill_notes.
1172 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1174 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1176 2012-01-18 Richard Guenther <rguenther@suse.de>
1178 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1179 of conversions to void *.
1181 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1182 Richard Sandiford <rdsandiford@googlemail.com>
1186 * optabs.h (simplify_expand_binop): Declare.
1187 * optabs.c (simplify_expand_binop): Make global.
1188 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1189 endian targets if the source cannot be exactly covered by word
1192 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1195 * hard-reg-set.h (struct hard_reg_set_container): New type.
1196 * target.h (struct hard_reg_set_container): Forward declare.
1197 * target.def (set_up_by_prologue): New target hook.
1198 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1199 * doc/tm.texi: Regenerated.
1200 * function.c (thread_prologue_and_epilogue_insns): Change
1201 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1202 Call targetm.set_up_by_prologue on it.
1203 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1204 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1206 2012-01-17 Nick Clifton <nickc@redhat.com>
1208 * config/rx/rx.c (rx_can_use_simple_return): New function.
1209 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1210 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1212 2012-01-17 Richard Guenther <rguenther@suse.de>
1215 * expr.c (expand_assignment): Take address-space information
1216 from the address operand of MEM_REF and TARGET_MEM_REF.
1217 (expand_expr_real_1): Likewise.
1219 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1221 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1222 reload dump is requested.
1224 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1227 * trans-mem.c (requires_barrier): Call may_be_aliased.
1229 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1231 PR tree-optimization/51877
1232 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1233 call arguments and fndecls compare equal, instead return false if they
1234 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1235 both SSA_NAMEs that are valueized the same, or they satisfy
1238 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1240 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1242 * configure: Regenerate.
1244 2012-01-16 Jan Hubicka <jh@suse.cz>
1248 * convert.c (convert_to_integer): Use fold_convert for
1249 converting an INTEGER_CST to integer type.
1251 2012-01-16 Jason Merrill <jason@redhat.com>
1254 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1256 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1259 * config/s390/s390.c (s390_chunkify_start): Don't skip
1260 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1261 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1262 If insn is followed by NOTE_INSN_VAR_LOCATION or
1263 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1264 Don't use location of note insns.
1266 PR tree-optimization/51865
1267 * tree-inline.c (tree_function_versioning): Call remap_decl
1268 on DECL_RESULT whenever it has VOID_TYPE_P type.
1270 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1272 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1273 for calls to locally-binding MIPS16 functions if only the return
1274 type uses float regs.
1276 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1277 Richard Sandiford <rdsandiford@googlemail.com>
1279 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1280 (SYMBOL_32_HIGH): Likewise.
1281 (mips_output_tls_reloc_directive): Declare.
1282 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1283 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1284 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1285 (mips_lo_relocs, mips_hi_relocs): Make extern.
1286 (mips16_stub_function): Move up file.
1287 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1288 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1289 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1290 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1291 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1292 (mips_get_tp): Add MIPS16 support.
1293 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1294 Generalize DTPREL and TPREL handling.
1295 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1296 Add MIPS16 TLS support.
1297 (mips_output_tls_reloc_directive): New function.
1298 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1299 * config/mips/predicates.md (symbolic_operand_with_high)
1300 (tls_reloc_operand): New predicates.
1301 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1302 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1303 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1304 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1305 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1306 (*tls_get_tp_mips16_call_<mode>): Likewise.
1308 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1310 PR rtl-optimization/51821
1311 * recog.c (peep2_find_free_register): Determine clobbered registers
1314 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1317 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1318 * config/avr/avr.c: Likewise.
1319 * config/avr/avr.h: Likewise.
1321 2012-01-13 Ian Lance Taylor <iant@google.com>
1324 * tree.h (TYPE_QUALS): Add cast to int.
1325 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1327 2012-01-13 Ian Lance Taylor <iant@google.com>
1329 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1330 comparing param_index to VEC_length result.
1332 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1334 * c-decl.c: Do not include tree-mudflap.h
1335 * tree-optimize.c: Likewise.
1336 * Makefile.in: Update dependencies.
1338 2012-01-13 Richard Guenther <rguenther@suse.de>
1341 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1342 variable-sized result always use RSO.
1344 2012-01-12 DJ Delorie <dj@redhat.com>
1346 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1347 pointer type, not just the default pointer type.
1349 2012-01-09 Richard Henderson <rth@redhat.com>
1350 Denis Chertykov <chertykov@gmail.com>
1353 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1354 * config/avr/avr.c (avr_can_eliminate): Simplify.
1355 (avr_initial_elimination_offset): Likewise.
1356 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1357 (expand_epilogue): Likewise.
1358 (avr_legitimize_address): Gut.
1359 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1360 (avr_hard_regno_nregs): New.
1361 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1362 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1363 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1364 add soft frame pointer.
1365 (CALL_USED_REGISTERS): Likewise.
1366 (REG_CLASS_CONTENTS): Likewise.
1367 (REGISTER_NAMES): Likewise.
1368 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1369 (HARD_FRAME_POINTER_REGNUM): New.
1370 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1371 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1372 remove the HARD_FRAME_POINTER self-elimination.
1374 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1377 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1378 DECL_EXTERNAL when checking for initializers of progmem variables.
1380 2012-01-12 Ira Rosen <irar@il.ibm.com>
1382 PR tree-optimization/51799
1383 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1384 that the last operation is a type demotion.
1386 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1388 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1389 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1391 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1394 * combine.c (distribute_notes): If i3 is a noreturn call,
1395 allow old_size to be equal to args_size and make sure the
1396 noreturn call gets REG_ARGS_SIZE note.
1397 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1398 on noreturn calls even when the delta is 0.
1400 2012-01-11 Nathan Sidwell <nathan@acm.org>
1402 * gcov.c (STRING_SIZE): Remove.
1403 (generate_results): Erase annotations for source files with no
1404 coverage information.
1406 (output_lines): Use it.
1408 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1410 * gimple.h (gimplify_body): Remove first argument.
1411 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1412 pointer set here, instead just pass DATA to walk_tree.
1413 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1414 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1415 (unvisit_body): Likewise, but with unmark_visited.
1416 (gimplify_body): Remove BODY_P argument and adjust.
1417 (gimplify_function_tree): Adjust call to gimplify_body.
1418 * omp-low.c (finalize_task_copyfn): Likewise.
1420 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1422 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1423 (build_function_type_skip_args): Delete.
1424 * tree.c (build_function_type_skip_args): Make static and add
1425 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1426 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1427 pass it to build_function_type_skip_args.
1428 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1429 (tree_function_versioning): Likewise.
1430 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1431 build_function_decl_skip_args.
1432 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1433 and pass it to build_function_decl_skip_args/tree_function_versioning.
1434 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1435 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1436 * trans-mem.c (ipa_tm_create_version): Likewise.
1437 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1438 * tree-inline.c (declare_return_variable): Remove always-true test.
1439 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1440 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1441 * ipa-split.c (split_function): Skip the return value for the split
1442 part if it doesn't return.
1444 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1446 PR tree-optimization/49642
1447 * ipa-split.c (forbidden_dominators): New variable.
1448 (check_forbidden_calls): New function.
1449 (dominated_by_forbidden): Likewise.
1450 (consider_split): Check for forbidden dominators.
1451 (execute_split_functions): Initialize and free forbidden
1452 dominators info; call check_forbidden_calls.
1454 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1456 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1458 2012-01-11 Nick Clifton <nickc@redhat.com>
1460 * config/rx/rx.md (return): Define pattern.
1462 2012-01-11 Richard Guenther <rguenther@suse.de>
1464 * doc/extend.texi (malloc attribute): Adjust according to
1467 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1468 Patrick Marlier <patrick.marlier@gmail.com>
1471 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1472 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1473 (ipa_tm_note_irrevocable): Same.
1474 (ipa_tm_scan_irr_block): Same.
1475 (ipa_tm_decrement_clone_counts): Same.
1476 (ipa_tm_scan_irr_function): Same.
1477 (ipa_tm_create_version_alias): Same.
1478 (ipa_tm_create_version): Same.
1479 (ipa_tm_transform_calls_redirect): Same.
1480 (ipa_tm_transform_calls): Same.
1481 (ipa_tm_transform_transaction): Same.
1482 (ipa_tm_execute): Same.
1484 2012-01-10 Richard Guenther <rguenther@suse.de>
1487 * opts.c (common_handle_option): Handle -Werror.
1489 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1491 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1494 2012-01-10 Jason Merrill <jason@redhat.com>
1496 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1499 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1501 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1502 supports R_386_TLS_GD_PLT reloc.
1503 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1504 supports R_386_TLS_LDM_PLT reloc.
1505 * configure: Regenerate.
1506 * config.in: Regenerate.
1508 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1511 Extend __pgmx semantics to linearize memory.
1512 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1513 determine if code comes inline or from libgcc.
1514 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1515 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1516 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1517 (movmemx_qi, movmemx_hi): New insns.
1518 (xload_<mode>_libgcc): Rewrite to new insn condition.
1519 (xload_<mode>): Remove insns.
1520 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1521 cases that don't satisfy avr_xload_libgcc_p().
1522 (avr_addr_space_convert): Allow converting in any direction.
1523 (avr_addr_space_subset_p): Return always true.
1524 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1525 (avr_emit_movmemhi): Ditto.
1526 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1527 (avr_out_movmem): Ditto.
1528 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1529 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1530 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1531 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1532 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1534 2012-01-10 Richard Guenther <rguenther@suse.de>
1536 PR tree-optimization/50913
1537 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1538 Require data-refs to be representable by Graphite with respect
1541 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1543 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1544 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1546 2012-01-10 Tom de Vries <tom@codesourcery.com>
1548 PR rtl-optimization/51271
1549 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1550 handling annulled branch.
1552 2012-01-10 Richard Henderson <rth@redhat.com>
1554 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1555 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1556 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1557 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1558 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1559 arm_expand_vec_perm_const): New.
1560 * config/arm/arm-protos.h: Update.
1561 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1562 (*neon_vswp<VDQX>): New.
1563 (neon_vcombine<VDX>): Use neon_split_vcombine.
1564 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1565 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1566 (vec_perm<VE>): New.
1568 2012-01-10 Richard Henderson <rth@redhat.com>
1570 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1571 use it if reload_completed.
1572 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1573 arm_output_asm_insn, arm_process_output_memory_barrier,
1574 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1575 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1576 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1577 arm_process_output_sync_insn, arm_output_sync_insn,
1578 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1579 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1580 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1581 (emit_unlikely_jump): New.
1582 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1583 (arm_split_atomic_op): New.
1584 * config/arm/arm-protos.h: Update.
1585 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1586 (struct arm_sync_generator): Remove.
1587 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1588 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1589 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1590 (VUNSPEC_LL, VUNSPEC_SC): New.
1591 (sync_result, sync_memory, sync_required_value, sync_new_value,
1592 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1593 (attr length): Don't use arm_sync_loop_insns.
1594 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1595 (movsfcc, movdfcc): Likewise.
1596 * config/arm/constraints.md (Ua): New.
1597 * config/arm/prediates.md (mem_noofs_operand): New.
1598 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1599 (sync_clobber, sync_t2_reqd): Remove.
1600 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1601 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1602 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1603 (arm_sync_compare_and_swap<SIDI>): Remove.
1604 (arm_sync_compare_and_swap<NARROW>): Remove.
1605 (arm_sync_lock_test_and_set<SIDI>): Remove.
1606 (arm_sync_lock_test_and_set<NARROW>): Remove.
1607 (arm_sync_new_<syncop><SIDI>): Remove.
1608 (arm_sync_new_<syncop><NARROW>): Remove.
1609 (arm_sync_new_nand<SIDI>): Remove.
1610 (arm_sync_new_nand<NARROW>): Remove.
1611 (arm_sync_old_<syncop><SIDI>): Remove.
1612 (arm_sync_old_<syncop><NARROW>): Remove.
1613 (arm_sync_old_nand<SIDI>): Remove.
1614 (arm_sync_old_nand<NARROW>): Remove.
1615 (*memory_barrier): Merge arm_output_memory_barrier.
1616 (atomic_compare_and_swap<QHSD>): New.
1617 (atomic_compare_and_swap<NARROW>_1): New.
1618 (atomic_compare_and_swap<SIDI>_1): New.
1619 (atomic_exchange<QHSD>): New.
1620 (cas_cmp_operand, cas_cmp_str): New.
1621 (atomic_op_operand, atomic_op_str): New.
1622 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1623 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1624 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1625 (arm_load_exclusive<NARROW>): New.
1626 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1627 (arm_store_exclusive<QHSD>): New.
1629 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1631 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1632 reload patterns if -mvsx-scalar-memory.
1634 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1635 generated, even -mno-vsx-scalar-double was used.
1636 (vsx_xscvdpsp_scalar): Likewise.
1637 (vsx_xscvspdp_scalar2): Likewise.
1639 2012-01-09 Tom de Vries <tom@codesourcery.com>
1640 Andrew Pinski <apinski@cavium.com>
1643 * reorg.c (fill_slots_from_thread): Don't speculate
1644 frame-related insns.
1646 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1648 * sched-int.h (bb_note): Move to...
1649 * basic-block.h: ...here.
1650 * haifa-sched.c (bb_note): Move to...
1651 * cfgrtl.c: ...here.
1652 * function.c (next_block_for_reg): New function.
1653 (move_insn_for_shrink_wrap): Likewise.
1654 (prepare_shrink_wrap): Rewrite to use the above.
1656 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1658 * gimple.c (is_gimple_non_addressable): Remove.
1659 * gimple.h: Remove is_gimple_non_addressable.
1660 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1661 is_gimple_non_addressable.
1662 * trans-mem.c (expand_assign_tm): Same.
1664 2012-01-09 Richard Guenther <rguenther@suse.de>
1666 PR tree-optimization/51775
1667 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1668 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1670 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1672 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1674 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1676 2012-01-09 Richard Guenther <rguenther@suse.de>
1678 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1680 2012-01-08 Jan Hubicka <jh@suse.cz>
1682 PR tree-optimize/51680
1683 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1684 on when known_vals needs to be computed; cleanup.
1686 2012-01-08 Jan Hubicka <jh@suse.cz>
1688 PR tree-optimize/51694
1689 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1691 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1693 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1694 for -std=c++98 and -std=c++11 too.
1696 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1698 * cfgloop.c (cancel_loop): Add free() of bbs array.
1700 2012-01-07 Jan Hubicka <jh@suse.cz>
1702 PR tree-optimization/51600
1703 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1704 that benefits small functions.
1706 2012-01-07 Jan Hubicka <jh@suse.cz>
1708 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1710 2012-01-07 Jan Hubicka <jh@suse.cz>
1712 PR tree-optimization/51680
1713 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1714 whose inlining reduce unit size.
1716 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1719 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1720 Add canonical node to containing_mem chain after the non-canonical
1721 one, even if there weren't any locs to propagate.
1722 (remove_useless_values): Keep only canonical values.
1723 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1724 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1725 canonicalize mem_chain elements that are not discarded.
1727 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1730 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1731 before emitting functions.
1733 PR gcov-profile/50127
1734 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1735 clear_aux_for_blocks.
1737 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1740 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1742 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1744 * c-decl.c (ext_block): Moved up.
1745 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1747 2012-01-06 Han Shen <shenhan@google.com>
1749 Translate built-in include paths for sysroot.
1750 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1751 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1753 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1754 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1756 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1757 control whether sysroot should be prepended to gxx include dir.
1759 * configure: Regenerate.
1761 2012-01-06 Torvald Riegel <triegel@redhat.com>
1763 PR rtl-optimization/51771
1764 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1765 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1767 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1769 PR tree-optimization/51315
1770 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1771 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1773 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1776 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1777 for shrp pattern. Correctly handle and fixup shift variable.
1778 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1780 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1783 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1784 note when !ACCUMULATE_OUTGOING_ARGS.
1786 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1788 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1790 (extract_range_from_unary_expr_1): Avoid useless computations.
1792 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1794 PR rtl-optimization/51767
1795 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1796 of jump_block and add an extra edge for degenerated asm gotos.
1799 * stmt.c (check_unique_operand_names): Don't ICE during error
1800 reporting if i is from labels chain.
1803 * profile.c (branch_prob): Split bbs that have exit edge
1804 and need a fake entry edge too.
1806 2012-01-05 Jan Hubicka <jh@suse.cz>
1809 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1812 2012-01-05 Richard Guenther <rguenther@suse.de>
1815 * tree-streamer-out.c (write_ts_optimization): New function.
1816 (streamer_write_tree_body): Call it.
1817 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1818 (streamer_read_tree_body): Call it.
1819 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1821 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1824 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1825 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1826 in_cleanup_point_expr before gimplify_stmt call and restore it
1828 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1829 in_cleanup_point_expr is false.
1831 2012-01-05 Richard Guenther <rguenther@suse.de>
1834 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1836 * toplev.c (process_options): Reject combining mudflap and LTO.
1837 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1839 2012-01-05 Richard Guenther <rguenther@suse.de>
1841 PR tree-optimization/51760
1842 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1844 (bit_value_unop): Handle UNDEFINED operands.
1845 (bit_value_binop): Likewise.
1847 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1849 * config/avr/avr.c (avr_replace_prefix): Remove.
1850 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1851 (avr_asm_function_rodata_section): Ditto.
1852 (avr_asm_select_section): Ditto.
1854 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1856 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1859 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1862 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1863 calls that have any non-fake successor edges.
1866 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1868 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1870 PR tree-optimization/51624
1871 * tree-sra.c (build_ref_for_model): When replicating a chain of
1872 COMPONENT_REFs, stop as soon as the offset would become negative.
1874 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1877 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1878 in .debug_loc on the floor.
1880 2012-01-04 Andrew Pinski <apinski@cavium.com>
1882 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1884 2012-01-04 Andrew Pinski <apinski@cavium.com>
1885 Adam Nemet <anemet@caviumnetworks.com>
1887 * config/mips/mips.md (size): Add SI and DI.
1888 (SIZE): New mode attribute.
1889 (U): New code attribute.
1890 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1891 (mips_lbux_<mode>): Delete.
1892 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1893 (mips_lhx): Use gen_mips_lhx_extsi.
1894 (mips_lhx_<mode>): Delete.
1896 (mips_l<size>x): New expand.
1897 (mips_lwx_<mode>): Delete.
1898 (mips_l<GPR:size>x_<P:mode>): New pattern.
1899 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1900 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1901 * config/mips/mips.c (mips_lx_address_p): New function.
1902 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1903 (dsp64): New availability predicate.
1904 (mips_builtins): Add an entry for __builtin_mips_ldx.
1905 * config/mips/mips.h (ISA_HAS_LBX): New define.
1906 (ISA_HAS_LBUX): Likewise.
1907 (ISA_HAS_LHX): Likewise.
1908 (ISA_HAS_LHUX): Likewise.
1909 (ISA_HAS_LWX): Likewise.
1910 (ISA_HAS_LWUX): Likewise.
1911 (ISA_HAS_LDX): Likewise.
1912 * doc/extend.texi (__builtin_mips_ldx): Document.
1914 2012-01-04 Tristan Gingold <gingold@adacore.com>
1916 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1917 when long pointers are used.
1918 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1919 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1920 (ia64-hp-*vms*): Remove.
1921 * config/vms/xm-vms64.h: Delete.
1923 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1926 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1928 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1930 * opts.c (finish_options): Remove duplicate sorry.
1932 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1935 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1938 2012-01-04 Richard Guenther <rguenther@suse.de>
1941 * tree.c (size_low_cst): New function.
1942 * tree.h (size_low_cst): Declare.
1943 * fold-const.c (fold_comparison): Use it to extract the low
1944 part of the POINTER_PLUS_EXPR offset.
1946 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1948 Fix clearing ZERO_REG
1949 * config/avr/avr.md (cc): Add alternative "ldi".
1950 (movqi_insn): Use it in cc attribute.
1951 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1952 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1953 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1955 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1957 * configure: Regenerate.
1959 2012-01-04 Richard Guenther <rguenther@suse.de>
1961 PR tree-optimization/49651
1962 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1963 (var_can_have_subvars): Use it.
1964 (get_constraint_for_1): Only consider subfields if there can be any.
1966 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1969 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1970 to its new canonical_cselib_val and the cselib_val was in
1971 first_containing_mem chain, but the canonical_cselib_val was not,
1972 add the latter into the chain.
1973 (cselib_invalidate_mem): Compare canonical_cselib_val of
1974 addr_list chain elt with v.
1977 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1978 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1980 (output_macinfo_op): Don't ggc_strdup fd->filename.
1981 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1982 then ggc_strdup it. Don't free inc->info or cur->info.
1983 (output_macinfo): Don't free ref->info or file->info.
1985 2012-01-03 Ira Rosen <irar@il.ibm.com>
1987 PR tree-optimization/51269
1988 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1989 first_niters a pointer.
1990 (slpeel_tree_peel_loop_to_edge): Likewise.
1991 (vect_do_peeling_for_loop_bound): Update call to
1992 slpeel_tree_peel_loop_to_edge.
1993 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1994 here. Remove it from the parameters list.
1995 (vect_do_peeling_for_alignment): Update calls and compute
1998 2012-01-03 Richard Guenther <rguenther@suse.de>
2000 PR tree-optimization/51070
2001 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2002 Properly handle calls.
2004 2012-01-03 Richard Guenther <rguenther@suse.de>
2006 PR tree-optimization/51692
2007 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2008 the LHS of allocation stmts.
2010 2012-01-03 Olivier Hainque <hainque@adacore.com>
2012 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2014 2012-01-03 Olivier Hainque <hainque@adacore.com>
2016 * collect2.c (main): In AIX specific computations for vector
2017 insertions, use CONST_CAST2 to cast from char ** to const char **.
2019 2012-01-03 Richard Guenther <rguenther@suse.de>
2022 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2023 the context of a limbo DIE when it does not already exist.
2025 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2027 PR tree-optimization/51719
2028 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2029 but direct call is, clear direct call's lhs and don't add fallthrough
2030 edge from dcall_bb to join_bb and PHIs.
2032 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2034 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2035 the instructions emitted by the pattern.
2036 ("*TDC_insn_<mode>"): Add comment.
2038 2012-01-03 Richard Guenther <rguenther@suse.de>
2041 * fold-const.c (fold_comparison): Properly canonicalize
2042 tree offset and HOST_WIDE_INT bit position.
2044 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2046 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2047 operands for extzv pattern.
2049 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2052 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2055 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2057 * doc/invoke.texi (-flto and related options): Copy-edit.
2059 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2061 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2063 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2065 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2068 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2070 * expr.h (move_by_pieces_ninsns): Declare.
2071 * expr.c (move_by_pieces_ninsns): Make external.
2072 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2073 (mips_store_by_pieces_p): Likewise.
2074 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2075 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2076 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2077 (mips_store_by_pieces_p): Likewise.
2079 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2081 * passes.c (register_one_dump_file): Free full_name.
2083 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2084 (calculate_elim_costs_all_insns): Free offsets_at and
2085 offsets_known_at at the end and clear the pointers.
2087 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2089 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2090 this option introduced in r180739.
2092 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2095 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2096 (tmake_file target=avr): Add avr/t-multilib.
2098 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2099 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2100 * config/avr/genmultilib.awk: New file.
2101 * config/avr/t-multilib: New auto-generated file.
2102 * config/avr/multilib.h: New auto-generated file.
2103 * config/avr/t-avr (AVR_MCUS): New variable.
2104 (genopt.sh): Use it.
2105 (s-mlib): Depend on t-multilib.
2106 (t-multilib, multilib.h): New dependencies.
2107 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2108 (MULTILIB_OPTIONS): Remove.
2109 (MULTILIB_MATCHES): Remove.
2110 (MULTILIB_DIRNAMES): Remove.
2111 (MULTILIB_EXCEPTIONS): Remove:
2112 * config/avr/genopt.sh: Don't use hard coded file name;
2113 pass AVR_MCUS from t-avr instead.
2115 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2117 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2119 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2121 Implement light-weight DImode support.
2122 * config/avr/avr-dimode.md: New file.
2123 * config/avr/avr.md: Include it.
2124 (adjust_len): Add plus64, compare64.
2125 (HIDI): Remove code iterator.
2126 (code_stdname): New code attribute.
2127 (rotx, rotsmode): Remove DI.
2128 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2130 * config/avr/avr-protos.h (avr_have_dimode): New.
2131 (avr_out_plus64, avr_out_compare64): New.
2132 * config/avr/avr.c (avr_out_compare): Handle DImode.
2133 (avr_have_dimode): New variable definition and initialization.
2134 (avr_out_compare64, avr_out_plus64): New functions.
2135 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2136 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2137 (avr_compare_pattern): Skip DImode comparisons.
2139 2012-01-02 Revital Eres <revital.eres@linaro.org>
2141 * ddg.c (def_has_ccmode_p): New function.
2142 (add_cross_iteration_register_deps,
2143 create_ddg_dep_from_intra_loop_link): Call it.
2145 2012-01-02 Richard Guenther <rguenther@suse.de>
2148 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2150 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2152 * gcc.c (process_command): Update copyright notice dates.
2153 * gcov.c (print_version): Likewise.
2154 * gcov-dump.c (print_version): Likewise.
2155 * mips-tfile.c (main): Likewise.
2156 * mips-tdump.c (main): Likewise.
2158 2012-01-01 Ira Rosen <irar@il.ibm.com>
2160 PR tree-optimization/51704
2161 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2162 a use is inside the basic block or loop before accessing its vect info.
2164 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2166 PR rtl-optimization/51069
2167 * cfgloopmanip.c (remove_path): Removing path making irreducible
2168 region unconditional makes BB part of the region.
2170 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2172 PR tree-optimization/51683
2173 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2174 calls with side-effects.
2175 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2177 Copyright (C) 2012 Free Software Foundation, Inc.
2179 Copying and distribution of this file, with or without modification,
2180 are permitted in any medium without royalty provided the copyright
2181 notice and this notice are preserved.