1 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
2 Ira Rosen <irar@il.ibm.com>
4 PR tree-optimization/50031
5 * targhooks.c (default_builtin_vectorization_cost): Handle
7 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
8 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
9 all types of reduction and pattern statements.
10 (vect_estimate_min_profitable_iters): Likewise.
11 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
12 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
13 for explicit realigns.
14 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
15 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
17 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
18 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
19 vec_perm for VSX and handle vec_promote_demote.
21 2012-02-10 Jakub Jelinek <jakub@redhat.com>
24 * builtins.c (fold_builtin_atomic_always_lock_free,
25 expand_builtin_atomic_always_lock_free,
26 fold_builtin_atomic_is_lock_free,
27 expand_builtin_atomic_is_lock_free): Return and/or test
28 boolean_true_node/boolean_false_node instead of
29 integer_one_node/integer_zero_node.
31 2012-02-10 Jan Hubicka <jh@suse.cz>
34 * predict.c (predict_paths_for_bb): Prevent looping.
35 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
37 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
39 * config/arm/arm.c (output_move_double): In one case properly
40 count number of instructions that will be emitted.
42 2012-02-10 Richard Guenther <rguenther@suse.de>
45 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
47 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
50 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
52 2012-02-09 Jakub Jelinek <jakub@redhat.com>
55 * var-tracking.c (emit_note_insn_var_location): If
56 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
57 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
58 non-NOTE_DURING_CALL_P insn.
60 2012-02-09 Bin Cheng <bin.cheng@arm.com>
63 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
65 2012-02-08 Magnus Granberg <zorry@gentoo.org>
68 * gcc.c (switch_matches) Support switches with separated form, -D
71 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
73 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
76 * config/avr/avr.c (avr_addr_t): New typedef.
77 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
78 (avr_init_expanders): Initialize it.
79 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
81 (expand_epilogue): Ditto.
82 (avr_print_operand): Ditto.
83 (avr_file_start): Ditto.
84 (avr_emit_movmemhi): Ditto.
86 2012-02-08 Richard Guenther <rguenther@suse.de>
88 PR tree-optimization/46886
89 * tree-flow.h (do_while_loop_p): Declare.
90 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
91 * tree-parloops.c (parallelize_loops): Only parallelize do-while
94 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
96 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
97 always succeed for integers larger than a native word.
99 2012-02-08 Richard Guenther <rguenther@suse.de>
101 PR rtl-optimization/52170
102 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
103 properly handle integer vector modes.
105 2012-02-08 Jakub Jelinek <jakub@redhat.com>
107 PR gcov-profile/52150
108 * coverage.c: Include target.h.
109 (build_var): Call targetm.strip_name_encoding on the assembler name.
110 Change one _ into . or $ if the target allows it.
111 * Makefile.in (coverage.o): Depend on $(TARGET_H).
113 PR rtl-optimization/52139
114 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
115 is a BARRIER after emit_insn_after_noloc, move BB_END
116 to the last non-BARRIER insn before it.
118 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
121 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
122 (mips_gimplify_va_arg_expr): Call it instead of
123 std_gimplify_va_arg_expr.
125 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
127 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
128 message for -mno-pointers-to-nested-function.
130 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
133 * expr.c (get_inner_reference): If there is an offset, add a negative
134 bit position to it (if any).
136 2012-02-07 Jakub Jelinek <jakub@redhat.com>
138 PR rtl-optimization/52060
139 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
140 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
141 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
142 and/or i0src_copy2 when needed.
144 2012-02-07 Jakub Jelinek <jakub@redhat.com>
146 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
147 or LTOPLUGINSONAME if have_c.
149 * config/freebsd-spec.h: Add comment about what macros can be defined
151 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
152 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
155 2012-02-07 Richard Guenther <rguenther@suse.de>
157 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
158 newline in -alias dumps.
160 2012-02-07 Kai Tietz <ktietz@redhat.com>
161 Dave Korn <dave.korn.cygwin@gmail.com>
164 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
165 Take care that typinfo gets dllexport-attribute.
167 2012-02-07 Jakub Jelinek <jakub@redhat.com>
170 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
171 if modifier < EXPAND_SUM call force_operand on the result.
173 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
175 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
176 adding __forwarder_dst__ prefix if a forwarder_section attribute is
178 (epiphany_function_type): Replace types for specific interrupts with
179 EPIPHANY_FUNCTION_INTERRUPT.
180 (EPIPHANY_INTERRUPT_P): Update.
181 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
183 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
184 <disinterrupt>: Affects type identity.
185 (epiphany_handle_interrupt_attribute): Handle variable number of
187 (epiphany_compute_function_type): Update for new
188 epiphany_function_type definition.
189 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
190 handlers with a longcall forwarder.
191 (epiphany_start_function): Handle multiple interrupt arguments and/or
192 forwarder_section attribute.
194 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
196 2012-02-07 Alan Modra <amodra@gmail.com>
199 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
202 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
204 PR tree-optimization/50969
205 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
206 use vec_perm rather than vector_stmt.
207 (vect_model_load_cost): Likewise.
208 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
209 vec_perm to be the same as other vector statements.
210 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
211 cost of vec_perm for TARGET_VSX.
213 2012-02-06 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/52115
216 * tree-sra.c (access_has_replacements_p): New function.
217 (sra_modify_assign): Use it to decide whether a use is uninitialized.
219 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
222 * trans-mem.c (expand_call_tm): Add an assertion.
223 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
226 2012-02-06 Richard Guenther <rguenther@suse.de>
228 PR tree-optimization/50955
229 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
230 raise cost of expressions that replace an address with an
231 expression based on a different pointer.
233 2012-02-06 Jakub Jelinek <jakub@redhat.com>
236 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
237 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
239 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
242 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
243 -Weffc++ and specify guidelines come from second edition.
245 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
247 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
248 (sibcall_value_multiple_internal, call_split, call_internal_direct)
249 (call_direct_split, call_value_split, call_value_internal_direct)
250 (call_value_direct_split, call_value_multiple_split): Use jal and
251 jal_macro attributes.
253 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
255 * reload1.c (reload_regs_reach_end_p): Replace with...
256 (reload_reg_rtx_reaches_end_p): ...this function.
257 (new_spill_reg_store): Update commentary.
258 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
259 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
260 before setting new_spill_reg_store.
261 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
262 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
263 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
264 for non-spill reload registers.
266 2012-02-05 Ira Rosen <irar@il.ibm.com>
268 PR tree-optimization/52091
269 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
270 (vect_is_simple_use_1): Likewise.
271 * tree-vect-loop.c (vectorizable_reduction): Update calls
272 to vect_is_simple_use_1 and vect_is_simple_use.
273 (vectorizable_live_operation): Likewise.
274 * tree-vect-patterns.c (widened_name_p,
275 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
277 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
278 vectorizable_call, vectorizable_conversion,
279 vectorizable_assignment, vectorizable_shift,
280 vectorizable_operation, vectorizable_store, vectorizable_load):
282 (vect_is_simple_cond): Add an argument, pass it to
283 vect_is_simple_use_1.
284 (vectorizable_condition): Update calls to vect_is_simple_cond,
286 (vect_is_simple_use): Add an argument, the statement in which
287 OPERAND is used. Check that if OPERAND's def stmt is a double
288 reduction phi node, the use is a phi node too.
289 (vect_is_simple_use_1): Add an argument, pass it to
291 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
292 to vect_is_simple_use.
294 2012-02-04 Jakub Jelinek <jakub@redhat.com>
296 PR rtl-optimization/52095
297 * modulo-sched.c (dump_insn_locator): New function.
298 (loop_canon_p, sms_schedule): Use it.
300 PR rtl-optimization/52113
301 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
302 even for decomposable shift/zext insns.
304 2012-02-03 Jakub Jelinek <jakub@redhat.com>
305 Zdenek Dvorak <ook@ucw.cz>
307 PR rtl-optimization/52092
308 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
309 on get_iv_value result.
311 2012-02-02 Andrew Pinski <apinski@cavium.com>
315 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
317 2012-02-02 Jakub Jelinek <jakub@redhat.com>
320 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
322 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
324 PR rtl-optimization/49800
325 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
326 (sched_finish): Call regstat_free_n_sets_and_refs.
328 2012-02-02 Jia Liu <proljc@gmail.com>
330 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
333 2012-02-02 Jan Hubicka <jh@suse.cz>
334 Tom de Vries <tom@codesourcery.com>
337 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
338 * varpool.c (varpool_analyze_pending_decls): Likewise.
340 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
341 Jayant R Sonar <jayant.sonar@kpitcummins.com>
343 * config.gcc: Add cr16-* support.
345 * doc/extend.texi: Document cr16 extensions.
346 * doc/install.texi: Document cr16 install.
347 * doc/invoke.texi: Document cr16 options.
348 * doc/md.texi: Document cr16 constraints.
350 * common/config/cr16/cr16-common.c: New file.
351 * config/cr16/cr16.c: New file.
352 * config/cr16/cr16.h: New file.
353 * config/cr16/cr16.md: New file.
354 * config/cr16/cr16.opt: New file.
355 * config/cr16/cr16-protos.h: New file.
356 * config/cr16/predicates.md: New file.
357 * config/cr16/constraints.md: New file.
358 * config/cr16/t-cr16: New file.
360 2012-02-02 Jakub Jelinek <jakub@redhat.com>
363 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
364 that operands[2] is either immediate, or q_regs_operand.
366 PR tree-optimization/52073
367 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
368 a pattern stmt for pattern uses, ignore uses outside of the loop.
370 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
372 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
373 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
374 (OUT_AS1, OUT_AS2): Remove.
376 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
378 PR rtl-optimization/51374
379 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
380 to cross other volatile_refs_p insns.
382 2012-02-01 Richard Guenther <rguenther@suse.de>
384 * doc/invoke.texi (fno-inline): Clarify documentation.
385 (finline-small-functions): Likewise.
386 (finline-functions): Likewise.
387 * common.opt (finline): Adjust comment and documentation.
388 (finline-small-functions): Clarify documentation.
389 (finline-functions): Likewise.
390 (finline-functions-called-once): Likewise.
392 2012-02-01 Tristan Gingold <gingold@adacore.com>
394 * c-typeck.c (composite_type): Keep mode for pointers.
396 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
398 * function.h (regno_reg_rtx): Adjust comment.
399 * reginfo.c (init_reg_modes_target): Only use the previous mode
400 if it fits within one register. Remove MIPS comment.
402 2012-01-31 Jakub Jelinek <jakub@redhat.com>
405 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
407 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
409 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
412 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
414 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
417 2012-01-31 Jakub Jelinek <jakub@redhat.com>
422 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
424 2012-01-31 Richard Guenther <rguenther@suse.de>
426 PR tree-optimization/51528
427 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
430 2012-01-31 Jakub Jelinek <jakub@redhat.com>
435 * ree.c (add_removable_extension): Change def_map argument
436 to unsigned *, store in def_map 1 + offset into *insn_list vector
437 instead of pointers into the vector.
438 (find_removable_extensions): Adjust caller.
440 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
442 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
443 Transform all "* quoted-c-code" to { c-code }.
444 Remove redundant test for "optimize" in combine patterns.
445 Move (include "avr-dimode.md") to end of file.
447 2012-01-30 Bin Cheng <bin.cheng@arm.com>
450 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
451 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
453 2012-01-30 Richard Guenther <rguenther@suse.de>
455 PR tree-optimization/52028
456 * tree-loop-distribution.c (ldist_gen): Properly update
459 2012-01-30 Jakub Jelinek <jakub@redhat.com>
462 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
463 set_cur_line_info_table if not emitting debug info.
465 PR tree-optimization/52046
466 * tree-vect-patterns.c (check_bool_pattern): Give up if
467 a comparison could throw.
470 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
472 2012-01-30 Richard Guenther <rguenther@suse.de>
474 PR tree-optimization/52045
475 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
476 SSA form if cfgcleanup did anything.
478 2012-01-30 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/52045
481 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
482 before computing final todo.
484 2012-01-30 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/51528
487 * tree-sra.c (sra_modify_assign): Re-factor in preparation
490 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
492 * df-problems.c (df_kill_notes): Check that the use refers
493 to the note under examination.
495 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
498 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
499 parameter and use short-lived pseudos.
500 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
501 (sparc_expand_vector_init): Const-ify local variables and adjust
502 calls to above functions.
504 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
506 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
508 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
510 * doc/invoke.texi: Make usage of "compile time" and
511 "run time"/"runtime" consistent throughout the file.
513 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
515 * config/alpha/alpha.c (alpha_option_overrride): Default to
516 full IEEE compliance mode for Go language.
518 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
520 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
521 (LINK_SSP_SPEC): Define.
523 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
526 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
529 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
531 * doc/invoke.texi: Correct hyphenation of "floating point",
532 "double precision", and related terminology throughout the file.
534 2012-01-28 Jakub Jelinek <jakub@redhat.com>
537 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
538 arm_general_register_operand predicate for operand 2 instead of
541 2012-01-27 Ian Lance Taylor <iant@google.com>
544 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
545 * builtins.c (expand_builtin_init_trampoline): Add onstack
546 parameter. Change caller.
547 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
548 * tree.c (build_common_builtin_nodes): Declare
549 __builtin_init_heap_trampoline.
551 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
553 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
554 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
555 * config/avr/avr.c: Ditto.
556 (avr_regnames): Remove because unused.
557 * config/avr/avr.md (*cpse.ne): New peephole.
558 (*cpse.eq): New peephole from former cpse peepholes.
560 2012-01-27 Michael Eager <eager@eagercon.com>
562 * config/microblaze.c (microblaze_emit_compare): Correct
563 test after pcmp instruction.
565 2012-01-27 Richard Guenther <rguenther@suse.de>
567 PR tree-optimization/52020
568 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
570 2012-01-27 Richard Guenther <rguenther@suse.de>
572 * ipa-pure-const.c (check_stmt): Clobbers do not make a
573 function non-const/pure.
575 2012-01-27 Richard Guenther <rguenther@suse.de>
577 PR tree-optimization/50444
578 * tree-sra.c (build_ref_for_offset): Properly adjust the
579 MEM_REF type for unaligned accesses.
581 2012-01-27 Richard Guenther <rguenther@suse.de>
583 PR tree-optimization/50444
584 * expr.c (mem_ref_refers_to_non_mem_p): New function.
585 (expand_assignment): Use it. Properly handle misaligned
586 bases when expanding stores to component references.
587 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
590 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
593 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
594 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
595 * tree-data-ref.c (find_data_references_in_loop): Make static.
596 (compute_all_dependences): Change return type to bool. Bail out
597 for too many datarefs in a loop. Move the hunk resetting the data
598 dependences vector from ...
599 (compute_data_dependences_for_loop): ... here. Account for
600 compute_all_dependences returning false.
601 (compute_data_dependences_for_bb): Likewise.
602 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
603 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
605 2012-01-27 Richard Guenther <rguenther@suse.de>
608 * expr.c (store_field): Use the alias-set of the scratch memory
611 2012-01-27 Tom de Vries <tom@codesourcery.com>
613 PR tree-optimization/51990
614 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
616 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
618 2012-01-27 Jakub Jelinek <jakub@redhat.com>
621 * var-tracking.c (reverse_op): Don't add any reverse operation
622 if V already has any constant locations.
624 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
626 * doc/invoke.texi: Correct usage of "command line" (noun)
627 vs "command-line" (adjective) throughout.
629 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
631 * doc/invoke.texi (Language Independent Options): Move
632 -Wcoverage-mismatch blurb from here....
633 (Warning Options): ...to here.
635 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
637 * config/rs6000/rs6000.c (rs6000_option_override_internal):
638 Set rs6000_always_hint to false for 476.
640 2012-01-27 Matthias Klose <doko@ubuntu.com>
642 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
644 * incpath.c (add_standard_paths): Likewise.
646 2012-01-27 Richard Henderson <rth@redhat.com>
648 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
649 * config/m68k/sync.md (atomic_test_and_set): Rename from
650 sync_test_and_setqi and adjust the operands.
651 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
652 and unconditionally enable.
654 2012-01-27 Richard Henderson <rth@redhat.com>
656 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
657 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
658 (ldstub): Rename from ldstubqi.
659 (ldstub<I24MODE>): Remove.
661 2012-01-27 Richard Henderson <rth@redhat.com>
663 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
664 * c-cppbuiltin.c (cpp_atomic_builtins): Define
665 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
666 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
667 * doc/tm.texi: Rebuild.
669 2012-01-27 Richard Henderson <rth@redhat.com>
671 * optabs.c (gen_atomic_test_and_set): Remove default.
672 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
674 2012-01-26 Jakub Jelinek <jakub@redhat.com>
676 PR rtl-optimization/51978
677 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
678 (combine_reaching_defs): Likewise.
679 (struct re_info): Remove.
680 (add_removable_extension): Remove x and data arguments,
681 add insn, insn_list and def_map. Use the arguments directly
682 instead of using struct re_info.
683 (find_removable_extensions): Don't call add_removable_extension
684 through note_stores, instead just call it with single_set
686 (find_and_remove_re): Pass curr_cand->expr instead of
687 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
689 2012-01-26 Michael Matz <matz@suse.de>
691 PR tree-optimization/46590
692 * cfgexpand.c: Revert last change (r183305).
693 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
695 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
696 checking for emptiness.
698 2012-01-26 Jakub Jelinek <jakub@redhat.com>
701 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
702 non-addressable non-BLKmode base correctly.
704 2012-01-26 Michael Matz <matz@suse.de>
706 PR tree-optimization/48794
707 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
708 regions referenced from RESX/EH_DISPATCH.
710 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
712 * config/s390/s390.h: Make BRANCH_COST an option.
713 * config/s390/s390.opt: New option -mbranch-cost.
715 2012-01-26 Richard Henderson <rth@redhat.com>
717 Revert 2012-01-24 change:
718 * trans-mem.c (requires_barrier): Do not instrument thread local
719 variables and emit save/restore for them.
721 2012-01-25 Jakub Jelinek <jakub@redhat.com>
724 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
727 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
729 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
732 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
735 Rename __pgm to __flash.
736 Rename __pgm1 to __flash1.
737 Rename __pgm2 to __flash2.
738 Rename __pgm3 to __flash3.
739 Rename __pgm4 to __flash4.
740 Rename __pgm5 to __flash5.
741 Rename __pgmx to __memx.
742 * doc/extend.texi (AVR Named Address Spaces)
743 Rename address space names as indicated above.
744 * config/avr/avr.c (avr_addrspace): Ditto.
746 * config/avr/avr-protos.h
747 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
748 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
749 * config/avr/predicates.md: Ditto.
750 * config/avr/avr.c Ditto, and
751 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
752 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
754 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
755 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
756 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
757 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
758 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
759 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
760 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
761 * config/avr/avr.c: Ditto.
762 * config/avr/avr.md: Ditto.
764 2012-01-25 Jason Merrill <jason@redhat.com>
767 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
769 2012-01-25 Jakub Jelinek <jakub@redhat.com>
771 PR tree-optimization/51987
772 * tree-data-ref.c (get_references_in_stmt): Handle references in
773 non-volatile GIMPLE_ASM.
775 2012-01-25 Richard Guenther <rguenther@suse.de>
777 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
778 bases are dereferenced.
780 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
782 PR rtl-optimization/48374
783 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
785 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
787 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
788 compute_data_dependences_for_loop returns false.
789 * tree-parloops.c (loop_parallel_p): Likewise.
791 2012-01-25 Richard Guenther <rguenther@suse.de>
793 * tree.h (get_pointer_alignment_1): Declare.
794 * builtins.c (get_pointer_alignment_1): New function.
795 (get_pointer_alignment): Use it.
797 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
799 PR rtl-optimization/48308
800 * combine.c (enum undo_kind): Add UNDO_LINKS.
801 (struct undo): Add member l to other_contents and where.
802 (do_SUBST_LINK): New.
804 (try_combine): Handle LOG_LINKS for the dummy i1 case.
805 (undo_all): Handle UNDO_LINKS.
807 2012-01-25 Richard Henderson <rth@redhat.com>
809 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
812 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
814 * optabs.c (gen_atomic_test_and_set): Use each argument.
816 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
818 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
819 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
820 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
821 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
822 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
823 TARGET_PAIRED_SINGLE_FLOAT.
825 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
827 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
828 (in_struct, return_val): Remove MEM documentation.
829 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
830 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
831 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
833 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
834 * cfgexpand.c (add_alias_set_conflicts): Likewise.
835 * expr.c (store_field): Likewise.
836 * function.c (assign_stack_temp_for_type): Likewise.
837 * ifcvt.c (noce_try_cmove_arith): Likewise.
838 * reload1.c (reload): Likewise.
839 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
840 (alpha_set_memflags): Likewise.
841 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
843 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
845 * rtl.h (true_dependence, canon_true_dependence): Remove varies
847 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
848 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
849 (true_dependence_1, true_dependence, canon_true_dependence): Remove
851 * cselib.c (cselib_rtx_varies_p): Delete.
852 (cselib_invalidate_mem): Update call to canon_true_dependence.
853 * dse.c (record_store, check_mem_read_rtx): Likewise.
854 (scan_reads_nospill): Likewise.
855 * cse.c (check_dependence): Likewise.
856 (cse_rtx_varies_p): Delete.
857 * expr.c (safe_from_p): Update call to true_dependence.
858 * ira.c (validate_equiv_mem_from_store): Likewise.
859 (memref_referenced_p): Likewise.
860 * postreload-gcse.c (find_mem_conflicts): Likewise.
861 * sched-deps.c (sched_analyze_2): Likewise.
862 * store-motion.c (load_kills_store): Likewise.
863 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
864 * gcse.c (mems_conflict_for_gcse_p): Likewise.
865 (compute_transp): Update call to canon_true_dependence.
867 2012-01-25 Richard Henderson <rth@redhat.com>
869 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
870 (maybe_emit_atomic_test_and_set): New.
871 (expand_sync_lock_test_and_set): Use it.
872 (expand_atomic_test_and_set): Likewise.
873 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
874 the implementation; clarify implementation defined details.
875 * doc/md.texi (atomic_test_and_set): Document.
877 2012-01-25 Richard Henderson <rth@redhat.com>
879 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
881 2012-01-25 Richard Henderson <rth@redhat.com>
884 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
885 to effect no-op split.
887 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
890 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
891 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
892 (BT_FN_VOID_PTR_INT_SIZE): New.
893 (BT_FN_UINT_UINT_VAR): Remove.
894 (BT_FN_UINT32_UINT32_VAR): New.
895 (BT_FN_DOUBLE_VPTR): Remove.
896 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
898 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
899 (_ITM_changeTransactionMode): Same.
900 (_ITM_memmoveRtWt): Change return type to void.
901 (_ITM_memcpyRtWt): Same.
902 (_ITM_memsetW): Same.
903 (_ITM_RaRD): Change types to double.
908 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
910 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
911 Patrick Marlier <patrick.marlier@gmail.com>
913 * trans-mem.c (requires_barrier): Do not instrument thread local
914 variables and emit save/restore for them.
916 2012-01-24 Jason Merrill <jason@redhat.com>
919 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
920 output static aliases.
922 2012-01-24 Jakub Jelinek <jakub@redhat.com>
925 * common.opt (-pie, -shared, pie, shared): Change from Common to
927 * gcc.c (display_help): Display help for -pie and -shared.
929 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
932 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
933 Remove note on size/offset limitation.
934 (AVR Variable Attributes): Add example how to read data located
935 with progmem. Refer to named address spaces.
936 * doc/invoke.texi (AVR Options): Fix typo.
938 2012-01-24 Richard Guenther <rguenther@suse.de>
940 Forward-port to trunk
941 2010-09-21 Jakub Jelinek <jakub@redhat.com>
944 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
945 op0 isn't sufficiently aligned and there is movmisalignM
946 insn for mode, use it to load op0 into a temporary register.
948 2012-01-24 Jakub Jelinek <jakub@redhat.com>
951 * target.def (const_not_ok_for_debug_p): New hook.
952 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
954 * doc/tm.texi: Regenerated.
955 * dwarf2out.c (const_ok_for_output_1): If
956 targetm.const_not_ok_for_debug_p returns true, fail.
957 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
959 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
961 2012-01-23 Kai Tietz <ktietz@redhat.com>
964 * config/i386/predicates.md (symbolic_operand): Allow
965 UNSPEC_PCREL as PIC expression for lea.
966 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
967 * config/i386/i386.c (ix86_delegitimize_address): Handle
968 UNSPEC_PCREL for none-MEM, too.
970 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
972 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
973 (ipa_tm_create_version_alias): Same.
975 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
978 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
979 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
981 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
982 Patrick Marlier <patrick.marlier@gmail.com>
983 Iain Sandoe <developer@sandoe-acoustics.co.uk>
986 * lto-wrapper.c (run_gcc): Pass the LTO section name to
987 simple_object_start_read.
989 2012-01-23 Richard Guenther <rguenther@suse.de>
992 PR tree-optimization/51895
993 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
994 parameter decomposition into BLKmode components.
996 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
998 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
999 fake variables for restrict-qualified pointers whose pointed-to type
1000 contains a placeholder.
1002 2012-01-23 Richard Guenther <rguenther@suse.de>
1004 PR tree-optimization/51949
1005 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1007 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1009 PR rtl-optimization/51933
1010 * ree.c (transform_ifelse): Return true right away if dstreg is
1011 already wider or equal to cand->mode.
1012 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1013 (make_defs_and_copies_lists): Remove defs_list and copies_list
1014 arguments, add state argument, just truncate state->work_list
1015 instead of always allocating and freeing the vector. Assert that
1016 get_defs succeeds instead of returning 2. Changed return type to bool.
1017 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1018 have ext_src_mode, see if it has been modified already with the
1019 right kind of extension and has been extended before from the
1020 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1021 just return true. Remember the original mode in state->modified array.
1022 (combine_reaching_defs): Add state argument. Don't allocate and
1023 free here def_list, copied_list and vec vectors, instead just
1024 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1025 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1026 Add state variable, clear vectors in it, initialize state.modified
1027 if needed. Free all the vectors at the end and state.modified too.
1028 Don't skip a candidate if the extension expression has been modified.
1030 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1033 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1034 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1035 (extra_options) interix.opt -> i386/interix.opt"
1036 (extra_objs):Add winnt-stubs.o
1037 * configure.ac: Add interix to target_os .comm on PE check.
1038 * configure: Regenerate.
1039 * config/interix3.h: Delete and move bits to..
1040 * config/interix.h: Delete and move bits to..
1041 * config/i386/i386-interix3.h: Delete and move bits to..
1042 * config/i386/i386-interix.h: ..here.
1043 (TARGET_CPU_DEFAULT): Remove redefinition.
1044 (TARGET_ASM_CONSTRUCTOR): Undefine.
1045 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1046 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1047 (PTRDIFF_TYPE): Define.
1048 (LONG_DOUBLE_TYPE_SIZE): Define.
1049 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1050 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1051 (TARGET_SECTION_TYPE_FLAGS): Define.
1052 (ASM_DECLARE_FUNCTION_NAME): Define.
1053 (ASM_OUTPUT_EXTERNAL): Define.
1054 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1055 (ASM_OUTPUT_ALIGNED_BSS): Define.
1056 (PCC_BITFIELD_TYPE_MATTERS): Define.
1057 (USE_CONST_SECTION): Define.
1058 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1059 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1060 (SUPPORTS_ONE_ONLY): Remove.
1061 (I386_PE_STRIP_ENCODING): Define.
1062 * config/interix.opt: Delete and move bits to..
1063 * config/i386/interix.opt: ..here. New.
1064 (mpe-aligned-commons): Add.
1065 * config/i386/t-interix: Add copyright header.
1066 (winnt-stubs.o): Add rule.
1068 2012-01-22 Jason Merrill <jason@redhat.com>
1071 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1072 for extra name aliases.
1074 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1076 PR rtl-optimization/51924
1077 * ree.c (combine_set_extension): Improve debugging message.
1078 (combine_reaching_defs): Likewise.
1079 (get_defs): Rename confusingly named variable.
1080 (find_and_remove_re): Skip a candidate if the extension expression has
1083 2012-01-21 Robert Millan <rmh@gnu.org>
1084 Gerald Pfeifer <gerald@pfeifer.com>
1086 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1087 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1089 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1091 PR tree-optimization/51914
1092 * tree-vect-stmts.c (vectorizable_conversion): For
1093 cvt_type && modifier == WIDEN, put temporary with cvt_type
1094 at the beginning of vec_dsts and set vec_dest to temporary
1097 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1099 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1101 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1103 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1104 * config/rs6000/rs6000.c: Likewise.
1106 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1109 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1110 output_move_double on a copy of operands array.
1112 2012-01-20 Cary Coutant <ccoutant@google.com>
1113 Dodji Seketeli <dodji@redhat.com>
1116 * dwarf2out.c (copy_declaration_context): Return ref to parent
1117 of declaration DIE, if necessary.
1118 (remove_child_or_replace_with_skeleton): Add new parameter; update
1119 caller. Place skeleton DIE under parent DIE of original declaration.
1120 Move call to copy_declaration_context to here ...
1121 (break_out_comdat_types): ... from here.
1123 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1125 PR rtl-optimization/51856
1126 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1129 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1132 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1133 hints for neon loads and stores.
1135 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1139 * doc/extend.texi (Named Address Spaces): Split into subsections.
1140 (AVR Named Address Spaces): New subsection.
1141 (M32C Named Address Spaces): New subsection.
1142 (RL78 Named Address Spaces): New subsection.
1143 (SPU Named Address Spaces): New subsection.
1144 (Variable Attributes): New anchor "AVR Variable Attributes".
1145 (AVR Variable Attributes): Rewrite and avoid wording
1146 "address space" in this context.
1147 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1148 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1149 (AVR Built-in Macros): New subsubsection therein.
1150 * doc/md.texi (AVR constraints): Remove "C04", "R".
1152 2012-01-20 Richard Guenther <rguenther@suse.de>
1154 PR tree-optimization/51903
1155 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1156 when removing stmts.
1158 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1161 * config/arm/arm.c (arm_load_pic_register): Use
1162 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1163 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1164 (arm_pic_static_addr): Likewise.
1165 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1166 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1167 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1168 (pic_load_addr_unified): New.
1170 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1173 * function.c (instantiate_virtual_regs_in_insn): Use
1174 delete_insn_and_edges when removing a wrong asm insn.
1176 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1178 PR rtl-optimization/40761
1179 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1180 Add new member loop_num.
1181 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1182 (ira_build): Remove the parameter.
1184 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1185 (ira.c): Do not build CFG loops for one region allocation. Remove
1186 argument from ira_build call.
1188 * ira-build.c (init_loop_tree_node): New function.
1189 (create_loop_tree_nodes): Use it. Separate the case when CFG
1190 loops are not built.
1191 (more_one_region_p): Check current_loops.
1192 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1194 (add_loop_to_tree): Process loop equal to NULL too.
1195 (form_loop_tree): Separate the case when CFG loops are not built.
1196 Use explicitly number for the root.
1197 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1199 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1200 instead of loop->num.
1201 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1202 (mark_all_loops_for_removal): Ditto.
1203 (remove_unnecessary_regions): Separate the case when CFG loops
1205 (ira_build): Remove the parameter. Use explicit number of regions
1206 when CFG loops are not built.
1208 * ira-color.c (print_loop_title): Separate the case for the root node.
1209 Use loop_num instead of loop->num.
1210 (move_spill_restore): Use loop_num instead of loop->num.
1212 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1213 (change_loop): Ditto.
1214 (change_loop): Use loop_num instead of loop->num.
1216 * ira-lives.c (process_bb_node_lives): Ditto.
1218 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1220 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1222 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1225 * tree-mudflap.c (mf_artificial): New function.
1226 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1227 mx_register_decls, mudflap_enqueue_decl): Use it.
1230 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1231 numbers in the insn pattern.
1233 2012-01-19 Michael Matz <matz@suse.de>
1235 PR tree-optimization/46590
1236 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1237 use it in remembering which conflicts we already created.
1238 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1241 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1244 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1245 (merge_and_complain): Same.
1247 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1250 * config/initfini-array.h: Guard content of the header
1251 with #ifdef HAVE_INITFINI_ARRAY.
1252 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1253 Add initfini-array.h to tm_file here.
1254 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1255 * config.gcc: Don't add initfini-array.h to tm_file here.
1256 * configure: Regenerated.
1258 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1260 PR rtl-optimization/51505
1261 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1262 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1263 (df_note_bb_compute): Update the call to df_kill_notes.
1265 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1267 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1269 2012-01-18 Richard Guenther <rguenther@suse.de>
1271 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1272 of conversions to void *.
1274 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1275 Richard Sandiford <rdsandiford@googlemail.com>
1279 * optabs.h (simplify_expand_binop): Declare.
1280 * optabs.c (simplify_expand_binop): Make global.
1281 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1282 endian targets if the source cannot be exactly covered by word
1285 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1288 * hard-reg-set.h (struct hard_reg_set_container): New type.
1289 * target.h (struct hard_reg_set_container): Forward declare.
1290 * target.def (set_up_by_prologue): New target hook.
1291 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1292 * doc/tm.texi: Regenerated.
1293 * function.c (thread_prologue_and_epilogue_insns): Change
1294 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1295 Call targetm.set_up_by_prologue on it.
1296 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1297 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1299 2012-01-17 Nick Clifton <nickc@redhat.com>
1301 * config/rx/rx.c (rx_can_use_simple_return): New function.
1302 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1303 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1305 2012-01-17 Richard Guenther <rguenther@suse.de>
1308 * expr.c (expand_assignment): Take address-space information
1309 from the address operand of MEM_REF and TARGET_MEM_REF.
1310 (expand_expr_real_1): Likewise.
1312 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1314 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1315 reload dump is requested.
1317 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1320 * trans-mem.c (requires_barrier): Call may_be_aliased.
1322 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1324 PR tree-optimization/51877
1325 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1326 call arguments and fndecls compare equal, instead return false if they
1327 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1328 both SSA_NAMEs that are valueized the same, or they satisfy
1331 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1333 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1335 * configure: Regenerate.
1337 2012-01-16 Jan Hubicka <jh@suse.cz>
1341 * convert.c (convert_to_integer): Use fold_convert for
1342 converting an INTEGER_CST to integer type.
1344 2012-01-16 Jason Merrill <jason@redhat.com>
1347 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1349 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1352 * config/s390/s390.c (s390_chunkify_start): Don't skip
1353 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1354 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1355 If insn is followed by NOTE_INSN_VAR_LOCATION or
1356 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1357 Don't use location of note insns.
1359 PR tree-optimization/51865
1360 * tree-inline.c (tree_function_versioning): Call remap_decl
1361 on DECL_RESULT whenever it has VOID_TYPE_P type.
1363 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1365 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1366 for calls to locally-binding MIPS16 functions if only the return
1367 type uses float regs.
1369 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1370 Richard Sandiford <rdsandiford@googlemail.com>
1372 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1373 (SYMBOL_32_HIGH): Likewise.
1374 (mips_output_tls_reloc_directive): Declare.
1375 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1376 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1377 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1378 (mips_lo_relocs, mips_hi_relocs): Make extern.
1379 (mips16_stub_function): Move up file.
1380 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1381 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1382 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1383 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1384 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1385 (mips_get_tp): Add MIPS16 support.
1386 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1387 Generalize DTPREL and TPREL handling.
1388 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1389 Add MIPS16 TLS support.
1390 (mips_output_tls_reloc_directive): New function.
1391 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1392 * config/mips/predicates.md (symbolic_operand_with_high)
1393 (tls_reloc_operand): New predicates.
1394 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1395 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1396 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1397 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1398 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1399 (*tls_get_tp_mips16_call_<mode>): Likewise.
1401 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1403 PR rtl-optimization/51821
1404 * recog.c (peep2_find_free_register): Determine clobbered registers
1407 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1410 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1411 * config/avr/avr.c: Likewise.
1412 * config/avr/avr.h: Likewise.
1414 2012-01-13 Ian Lance Taylor <iant@google.com>
1417 * tree.h (TYPE_QUALS): Add cast to int.
1418 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1420 2012-01-13 Ian Lance Taylor <iant@google.com>
1422 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1423 comparing param_index to VEC_length result.
1425 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1427 * c-decl.c: Do not include tree-mudflap.h
1428 * tree-optimize.c: Likewise.
1429 * Makefile.in: Update dependencies.
1431 2012-01-13 Richard Guenther <rguenther@suse.de>
1434 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1435 variable-sized result always use RSO.
1437 2012-01-12 DJ Delorie <dj@redhat.com>
1439 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1440 pointer type, not just the default pointer type.
1442 2012-01-09 Richard Henderson <rth@redhat.com>
1443 Denis Chertykov <chertykov@gmail.com>
1446 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1447 * config/avr/avr.c (avr_can_eliminate): Simplify.
1448 (avr_initial_elimination_offset): Likewise.
1449 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1450 (expand_epilogue): Likewise.
1451 (avr_legitimize_address): Gut.
1452 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1453 (avr_hard_regno_nregs): New.
1454 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1455 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1456 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1457 add soft frame pointer.
1458 (CALL_USED_REGISTERS): Likewise.
1459 (REG_CLASS_CONTENTS): Likewise.
1460 (REGISTER_NAMES): Likewise.
1461 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1462 (HARD_FRAME_POINTER_REGNUM): New.
1463 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1464 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1465 remove the HARD_FRAME_POINTER self-elimination.
1467 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1470 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1471 DECL_EXTERNAL when checking for initializers of progmem variables.
1473 2012-01-12 Ira Rosen <irar@il.ibm.com>
1475 PR tree-optimization/51799
1476 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1477 that the last operation is a type demotion.
1479 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1481 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1482 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1484 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1487 * combine.c (distribute_notes): If i3 is a noreturn call,
1488 allow old_size to be equal to args_size and make sure the
1489 noreturn call gets REG_ARGS_SIZE note.
1490 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1491 on noreturn calls even when the delta is 0.
1493 2012-01-11 Nathan Sidwell <nathan@acm.org>
1495 * gcov.c (STRING_SIZE): Remove.
1496 (generate_results): Erase annotations for source files with no
1497 coverage information.
1499 (output_lines): Use it.
1501 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1503 * gimple.h (gimplify_body): Remove first argument.
1504 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1505 pointer set here, instead just pass DATA to walk_tree.
1506 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1507 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1508 (unvisit_body): Likewise, but with unmark_visited.
1509 (gimplify_body): Remove BODY_P argument and adjust.
1510 (gimplify_function_tree): Adjust call to gimplify_body.
1511 * omp-low.c (finalize_task_copyfn): Likewise.
1513 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1515 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1516 (build_function_type_skip_args): Delete.
1517 * tree.c (build_function_type_skip_args): Make static and add
1518 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1519 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1520 pass it to build_function_type_skip_args.
1521 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1522 (tree_function_versioning): Likewise.
1523 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1524 build_function_decl_skip_args.
1525 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1526 and pass it to build_function_decl_skip_args/tree_function_versioning.
1527 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1528 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1529 * trans-mem.c (ipa_tm_create_version): Likewise.
1530 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1531 * tree-inline.c (declare_return_variable): Remove always-true test.
1532 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1533 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1534 * ipa-split.c (split_function): Skip the return value for the split
1535 part if it doesn't return.
1537 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1539 PR tree-optimization/49642
1540 * ipa-split.c (forbidden_dominators): New variable.
1541 (check_forbidden_calls): New function.
1542 (dominated_by_forbidden): Likewise.
1543 (consider_split): Check for forbidden dominators.
1544 (execute_split_functions): Initialize and free forbidden
1545 dominators info; call check_forbidden_calls.
1547 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1549 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1551 2012-01-11 Nick Clifton <nickc@redhat.com>
1553 * config/rx/rx.md (return): Define pattern.
1555 2012-01-11 Richard Guenther <rguenther@suse.de>
1557 * doc/extend.texi (malloc attribute): Adjust according to
1560 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1561 Patrick Marlier <patrick.marlier@gmail.com>
1564 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1565 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1566 (ipa_tm_note_irrevocable): Same.
1567 (ipa_tm_scan_irr_block): Same.
1568 (ipa_tm_decrement_clone_counts): Same.
1569 (ipa_tm_scan_irr_function): Same.
1570 (ipa_tm_create_version_alias): Same.
1571 (ipa_tm_create_version): Same.
1572 (ipa_tm_transform_calls_redirect): Same.
1573 (ipa_tm_transform_calls): Same.
1574 (ipa_tm_transform_transaction): Same.
1575 (ipa_tm_execute): Same.
1577 2012-01-10 Richard Guenther <rguenther@suse.de>
1580 * opts.c (common_handle_option): Handle -Werror.
1582 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1584 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1587 2012-01-10 Jason Merrill <jason@redhat.com>
1589 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1592 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1594 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1595 supports R_386_TLS_GD_PLT reloc.
1596 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1597 supports R_386_TLS_LDM_PLT reloc.
1598 * configure: Regenerate.
1599 * config.in: Regenerate.
1601 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1604 Extend __pgmx semantics to linearize memory.
1605 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1606 determine if code comes inline or from libgcc.
1607 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1608 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1609 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1610 (movmemx_qi, movmemx_hi): New insns.
1611 (xload_<mode>_libgcc): Rewrite to new insn condition.
1612 (xload_<mode>): Remove insns.
1613 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1614 cases that don't satisfy avr_xload_libgcc_p().
1615 (avr_addr_space_convert): Allow converting in any direction.
1616 (avr_addr_space_subset_p): Return always true.
1617 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1618 (avr_emit_movmemhi): Ditto.
1619 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1620 (avr_out_movmem): Ditto.
1621 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1622 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1623 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1624 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1625 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1627 2012-01-10 Richard Guenther <rguenther@suse.de>
1629 PR tree-optimization/50913
1630 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1631 Require data-refs to be representable by Graphite with respect
1634 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1636 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1637 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1639 2012-01-10 Tom de Vries <tom@codesourcery.com>
1641 PR rtl-optimization/51271
1642 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1643 handling annulled branch.
1645 2012-01-10 Richard Henderson <rth@redhat.com>
1647 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1648 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1649 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1650 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1651 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1652 arm_expand_vec_perm_const): New.
1653 * config/arm/arm-protos.h: Update.
1654 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1655 (*neon_vswp<VDQX>): New.
1656 (neon_vcombine<VDX>): Use neon_split_vcombine.
1657 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1658 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1659 (vec_perm<VE>): New.
1661 2012-01-10 Richard Henderson <rth@redhat.com>
1663 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1664 use it if reload_completed.
1665 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1666 arm_output_asm_insn, arm_process_output_memory_barrier,
1667 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1668 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1669 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1670 arm_process_output_sync_insn, arm_output_sync_insn,
1671 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1672 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1673 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1674 (emit_unlikely_jump): New.
1675 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1676 (arm_split_atomic_op): New.
1677 * config/arm/arm-protos.h: Update.
1678 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1679 (struct arm_sync_generator): Remove.
1680 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1681 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1682 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1683 (VUNSPEC_LL, VUNSPEC_SC): New.
1684 (sync_result, sync_memory, sync_required_value, sync_new_value,
1685 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1686 (attr length): Don't use arm_sync_loop_insns.
1687 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1688 (movsfcc, movdfcc): Likewise.
1689 * config/arm/constraints.md (Ua): New.
1690 * config/arm/prediates.md (mem_noofs_operand): New.
1691 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1692 (sync_clobber, sync_t2_reqd): Remove.
1693 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1694 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1695 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1696 (arm_sync_compare_and_swap<SIDI>): Remove.
1697 (arm_sync_compare_and_swap<NARROW>): Remove.
1698 (arm_sync_lock_test_and_set<SIDI>): Remove.
1699 (arm_sync_lock_test_and_set<NARROW>): Remove.
1700 (arm_sync_new_<syncop><SIDI>): Remove.
1701 (arm_sync_new_<syncop><NARROW>): Remove.
1702 (arm_sync_new_nand<SIDI>): Remove.
1703 (arm_sync_new_nand<NARROW>): Remove.
1704 (arm_sync_old_<syncop><SIDI>): Remove.
1705 (arm_sync_old_<syncop><NARROW>): Remove.
1706 (arm_sync_old_nand<SIDI>): Remove.
1707 (arm_sync_old_nand<NARROW>): Remove.
1708 (*memory_barrier): Merge arm_output_memory_barrier.
1709 (atomic_compare_and_swap<QHSD>): New.
1710 (atomic_compare_and_swap<NARROW>_1): New.
1711 (atomic_compare_and_swap<SIDI>_1): New.
1712 (atomic_exchange<QHSD>): New.
1713 (cas_cmp_operand, cas_cmp_str): New.
1714 (atomic_op_operand, atomic_op_str): New.
1715 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1716 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1717 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1718 (arm_load_exclusive<NARROW>): New.
1719 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1720 (arm_store_exclusive<QHSD>): New.
1722 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1724 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1725 reload patterns if -mvsx-scalar-memory.
1727 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1728 generated, even -mno-vsx-scalar-double was used.
1729 (vsx_xscvdpsp_scalar): Likewise.
1730 (vsx_xscvspdp_scalar2): Likewise.
1732 2012-01-09 Tom de Vries <tom@codesourcery.com>
1733 Andrew Pinski <apinski@cavium.com>
1736 * reorg.c (fill_slots_from_thread): Don't speculate
1737 frame-related insns.
1739 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1741 * sched-int.h (bb_note): Move to...
1742 * basic-block.h: ...here.
1743 * haifa-sched.c (bb_note): Move to...
1744 * cfgrtl.c: ...here.
1745 * function.c (next_block_for_reg): New function.
1746 (move_insn_for_shrink_wrap): Likewise.
1747 (prepare_shrink_wrap): Rewrite to use the above.
1749 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1751 * gimple.c (is_gimple_non_addressable): Remove.
1752 * gimple.h: Remove is_gimple_non_addressable.
1753 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1754 is_gimple_non_addressable.
1755 * trans-mem.c (expand_assign_tm): Same.
1757 2012-01-09 Richard Guenther <rguenther@suse.de>
1759 PR tree-optimization/51775
1760 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1761 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1763 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1765 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1767 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1769 2012-01-09 Richard Guenther <rguenther@suse.de>
1771 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1773 2012-01-08 Jan Hubicka <jh@suse.cz>
1775 PR tree-optimize/51680
1776 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1777 on when known_vals needs to be computed; cleanup.
1779 2012-01-08 Jan Hubicka <jh@suse.cz>
1781 PR tree-optimize/51694
1782 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1784 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1786 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1787 for -std=c++98 and -std=c++11 too.
1789 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1791 * cfgloop.c (cancel_loop): Add free() of bbs array.
1793 2012-01-07 Jan Hubicka <jh@suse.cz>
1795 PR tree-optimization/51600
1796 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1797 that benefits small functions.
1799 2012-01-07 Jan Hubicka <jh@suse.cz>
1801 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1803 2012-01-07 Jan Hubicka <jh@suse.cz>
1805 PR tree-optimization/51680
1806 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1807 whose inlining reduce unit size.
1809 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1812 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1813 Add canonical node to containing_mem chain after the non-canonical
1814 one, even if there weren't any locs to propagate.
1815 (remove_useless_values): Keep only canonical values.
1816 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1817 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1818 canonicalize mem_chain elements that are not discarded.
1820 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1823 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1824 before emitting functions.
1826 PR gcov-profile/50127
1827 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1828 clear_aux_for_blocks.
1830 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1833 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1835 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1837 * c-decl.c (ext_block): Moved up.
1838 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1840 2012-01-06 Han Shen <shenhan@google.com>
1842 Translate built-in include paths for sysroot.
1843 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1844 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1846 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1847 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1849 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1850 control whether sysroot should be prepended to gxx include dir.
1852 * configure: Regenerate.
1854 2012-01-06 Torvald Riegel <triegel@redhat.com>
1856 PR rtl-optimization/51771
1857 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1858 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1860 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1862 PR tree-optimization/51315
1863 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1864 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1866 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1869 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1870 for shrp pattern. Correctly handle and fixup shift variable.
1871 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1873 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1876 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1877 note when !ACCUMULATE_OUTGOING_ARGS.
1879 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1881 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1883 (extract_range_from_unary_expr_1): Avoid useless computations.
1885 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1887 PR rtl-optimization/51767
1888 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1889 of jump_block and add an extra edge for degenerated asm gotos.
1892 * stmt.c (check_unique_operand_names): Don't ICE during error
1893 reporting if i is from labels chain.
1896 * profile.c (branch_prob): Split bbs that have exit edge
1897 and need a fake entry edge too.
1899 2012-01-05 Jan Hubicka <jh@suse.cz>
1902 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1905 2012-01-05 Richard Guenther <rguenther@suse.de>
1908 * tree-streamer-out.c (write_ts_optimization): New function.
1909 (streamer_write_tree_body): Call it.
1910 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1911 (streamer_read_tree_body): Call it.
1912 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1914 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1917 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1918 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1919 in_cleanup_point_expr before gimplify_stmt call and restore it
1921 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1922 in_cleanup_point_expr is false.
1924 2012-01-05 Richard Guenther <rguenther@suse.de>
1927 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1929 * toplev.c (process_options): Reject combining mudflap and LTO.
1930 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1932 2012-01-05 Richard Guenther <rguenther@suse.de>
1934 PR tree-optimization/51760
1935 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1937 (bit_value_unop): Handle UNDEFINED operands.
1938 (bit_value_binop): Likewise.
1940 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1942 * config/avr/avr.c (avr_replace_prefix): Remove.
1943 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1944 (avr_asm_function_rodata_section): Ditto.
1945 (avr_asm_select_section): Ditto.
1947 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1949 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1952 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1955 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1956 calls that have any non-fake successor edges.
1959 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1961 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1963 PR tree-optimization/51624
1964 * tree-sra.c (build_ref_for_model): When replicating a chain of
1965 COMPONENT_REFs, stop as soon as the offset would become negative.
1967 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1970 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1971 in .debug_loc on the floor.
1973 2012-01-04 Andrew Pinski <apinski@cavium.com>
1975 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1977 2012-01-04 Andrew Pinski <apinski@cavium.com>
1978 Adam Nemet <anemet@caviumnetworks.com>
1980 * config/mips/mips.md (size): Add SI and DI.
1981 (SIZE): New mode attribute.
1982 (U): New code attribute.
1983 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1984 (mips_lbux_<mode>): Delete.
1985 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1986 (mips_lhx): Use gen_mips_lhx_extsi.
1987 (mips_lhx_<mode>): Delete.
1989 (mips_l<size>x): New expand.
1990 (mips_lwx_<mode>): Delete.
1991 (mips_l<GPR:size>x_<P:mode>): New pattern.
1992 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1993 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1994 * config/mips/mips.c (mips_lx_address_p): New function.
1995 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1996 (dsp64): New availability predicate.
1997 (mips_builtins): Add an entry for __builtin_mips_ldx.
1998 * config/mips/mips.h (ISA_HAS_LBX): New define.
1999 (ISA_HAS_LBUX): Likewise.
2000 (ISA_HAS_LHX): Likewise.
2001 (ISA_HAS_LHUX): Likewise.
2002 (ISA_HAS_LWX): Likewise.
2003 (ISA_HAS_LWUX): Likewise.
2004 (ISA_HAS_LDX): Likewise.
2005 * doc/extend.texi (__builtin_mips_ldx): Document.
2007 2012-01-04 Tristan Gingold <gingold@adacore.com>
2009 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2010 when long pointers are used.
2011 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2012 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2013 (ia64-hp-*vms*): Remove.
2014 * config/vms/xm-vms64.h: Delete.
2016 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2019 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2021 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2023 * opts.c (finish_options): Remove duplicate sorry.
2025 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2028 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2031 2012-01-04 Richard Guenther <rguenther@suse.de>
2034 * tree.c (size_low_cst): New function.
2035 * tree.h (size_low_cst): Declare.
2036 * fold-const.c (fold_comparison): Use it to extract the low
2037 part of the POINTER_PLUS_EXPR offset.
2039 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2041 Fix clearing ZERO_REG
2042 * config/avr/avr.md (cc): Add alternative "ldi".
2043 (movqi_insn): Use it in cc attribute.
2044 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2045 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2046 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2048 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2050 * configure: Regenerate.
2052 2012-01-04 Richard Guenther <rguenther@suse.de>
2054 PR tree-optimization/49651
2055 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2056 (var_can_have_subvars): Use it.
2057 (get_constraint_for_1): Only consider subfields if there can be any.
2059 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2062 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2063 to its new canonical_cselib_val and the cselib_val was in
2064 first_containing_mem chain, but the canonical_cselib_val was not,
2065 add the latter into the chain.
2066 (cselib_invalidate_mem): Compare canonical_cselib_val of
2067 addr_list chain elt with v.
2070 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2071 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2073 (output_macinfo_op): Don't ggc_strdup fd->filename.
2074 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2075 then ggc_strdup it. Don't free inc->info or cur->info.
2076 (output_macinfo): Don't free ref->info or file->info.
2078 2012-01-03 Ira Rosen <irar@il.ibm.com>
2080 PR tree-optimization/51269
2081 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2082 first_niters a pointer.
2083 (slpeel_tree_peel_loop_to_edge): Likewise.
2084 (vect_do_peeling_for_loop_bound): Update call to
2085 slpeel_tree_peel_loop_to_edge.
2086 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2087 here. Remove it from the parameters list.
2088 (vect_do_peeling_for_alignment): Update calls and compute
2091 2012-01-03 Richard Guenther <rguenther@suse.de>
2093 PR tree-optimization/51070
2094 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2095 Properly handle calls.
2097 2012-01-03 Richard Guenther <rguenther@suse.de>
2099 PR tree-optimization/51692
2100 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2101 the LHS of allocation stmts.
2103 2012-01-03 Olivier Hainque <hainque@adacore.com>
2105 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2107 2012-01-03 Olivier Hainque <hainque@adacore.com>
2109 * collect2.c (main): In AIX specific computations for vector
2110 insertions, use CONST_CAST2 to cast from char ** to const char **.
2112 2012-01-03 Richard Guenther <rguenther@suse.de>
2115 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2116 the context of a limbo DIE when it does not already exist.
2118 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2120 PR tree-optimization/51719
2121 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2122 but direct call is, clear direct call's lhs and don't add fallthrough
2123 edge from dcall_bb to join_bb and PHIs.
2125 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2127 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2128 the instructions emitted by the pattern.
2129 ("*TDC_insn_<mode>"): Add comment.
2131 2012-01-03 Richard Guenther <rguenther@suse.de>
2134 * fold-const.c (fold_comparison): Properly canonicalize
2135 tree offset and HOST_WIDE_INT bit position.
2137 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2139 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2140 operands for extzv pattern.
2142 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2145 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2148 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2150 * doc/invoke.texi (-flto and related options): Copy-edit.
2152 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2154 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2156 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2158 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2161 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2163 * expr.h (move_by_pieces_ninsns): Declare.
2164 * expr.c (move_by_pieces_ninsns): Make external.
2165 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2166 (mips_store_by_pieces_p): Likewise.
2167 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2168 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2169 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2170 (mips_store_by_pieces_p): Likewise.
2172 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2174 * passes.c (register_one_dump_file): Free full_name.
2176 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2177 (calculate_elim_costs_all_insns): Free offsets_at and
2178 offsets_known_at at the end and clear the pointers.
2180 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2182 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2183 this option introduced in r180739.
2185 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2188 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2189 (tmake_file target=avr): Add avr/t-multilib.
2191 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2192 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2193 * config/avr/genmultilib.awk: New file.
2194 * config/avr/t-multilib: New auto-generated file.
2195 * config/avr/multilib.h: New auto-generated file.
2196 * config/avr/t-avr (AVR_MCUS): New variable.
2197 (genopt.sh): Use it.
2198 (s-mlib): Depend on t-multilib.
2199 (t-multilib, multilib.h): New dependencies.
2200 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2201 (MULTILIB_OPTIONS): Remove.
2202 (MULTILIB_MATCHES): Remove.
2203 (MULTILIB_DIRNAMES): Remove.
2204 (MULTILIB_EXCEPTIONS): Remove:
2205 * config/avr/genopt.sh: Don't use hard coded file name;
2206 pass AVR_MCUS from t-avr instead.
2208 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2210 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2212 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2214 Implement light-weight DImode support.
2215 * config/avr/avr-dimode.md: New file.
2216 * config/avr/avr.md: Include it.
2217 (adjust_len): Add plus64, compare64.
2218 (HIDI): Remove code iterator.
2219 (code_stdname): New code attribute.
2220 (rotx, rotsmode): Remove DI.
2221 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2223 * config/avr/avr-protos.h (avr_have_dimode): New.
2224 (avr_out_plus64, avr_out_compare64): New.
2225 * config/avr/avr.c (avr_out_compare): Handle DImode.
2226 (avr_have_dimode): New variable definition and initialization.
2227 (avr_out_compare64, avr_out_plus64): New functions.
2228 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2229 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2230 (avr_compare_pattern): Skip DImode comparisons.
2232 2012-01-02 Revital Eres <revital.eres@linaro.org>
2234 * ddg.c (def_has_ccmode_p): New function.
2235 (add_cross_iteration_register_deps,
2236 create_ddg_dep_from_intra_loop_link): Call it.
2238 2012-01-02 Richard Guenther <rguenther@suse.de>
2241 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2243 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2245 * gcc.c (process_command): Update copyright notice dates.
2246 * gcov.c (print_version): Likewise.
2247 * gcov-dump.c (print_version): Likewise.
2248 * mips-tfile.c (main): Likewise.
2249 * mips-tdump.c (main): Likewise.
2251 2012-01-01 Ira Rosen <irar@il.ibm.com>
2253 PR tree-optimization/51704
2254 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2255 a use is inside the basic block or loop before accessing its vect info.
2257 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2259 PR rtl-optimization/51069
2260 * cfgloopmanip.c (remove_path): Removing path making irreducible
2261 region unconditional makes BB part of the region.
2263 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2265 PR tree-optimization/51683
2266 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2267 calls with side-effects.
2268 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2270 Copyright (C) 2012 Free Software Foundation, Inc.
2272 Copying and distribution of this file, with or without modification,
2273 are permitted in any medium without royalty provided the copyright
2274 notice and this notice are preserved.
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