1 2012-02-10 Richard Henderson <rth@redhat.com>
3 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
4 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
5 for GIMPLE_TRANSACTION. Tidy if's into a switch.
7 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
8 Ira Rosen <irar@il.ibm.com>
10 PR tree-optimization/50031
11 * targhooks.c (default_builtin_vectorization_cost): Handle
13 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
14 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
15 all types of reduction and pattern statements.
16 (vect_estimate_min_profitable_iters): Likewise.
17 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
18 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
19 for explicit realigns.
20 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
21 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
23 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
24 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
25 vec_perm for VSX and handle vec_promote_demote.
27 2012-02-10 Jakub Jelinek <jakub@redhat.com>
30 * builtins.c (fold_builtin_atomic_always_lock_free,
31 expand_builtin_atomic_always_lock_free,
32 fold_builtin_atomic_is_lock_free,
33 expand_builtin_atomic_is_lock_free): Return and/or test
34 boolean_true_node/boolean_false_node instead of
35 integer_one_node/integer_zero_node.
37 2012-02-10 Jan Hubicka <jh@suse.cz>
40 * predict.c (predict_paths_for_bb): Prevent looping.
41 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
43 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
45 * config/arm/arm.c (output_move_double): In one case properly
46 count number of instructions that will be emitted.
48 2012-02-10 Richard Guenther <rguenther@suse.de>
51 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
53 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
56 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
58 2012-02-09 Jakub Jelinek <jakub@redhat.com>
61 * var-tracking.c (emit_note_insn_var_location): If
62 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
63 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
64 non-NOTE_DURING_CALL_P insn.
66 2012-02-09 Bin Cheng <bin.cheng@arm.com>
69 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
71 2012-02-08 Magnus Granberg <zorry@gentoo.org>
74 * gcc.c (switch_matches) Support switches with separated form, -D
77 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
79 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
82 * config/avr/avr.c (avr_addr_t): New typedef.
83 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
84 (avr_init_expanders): Initialize it.
85 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
87 (expand_epilogue): Ditto.
88 (avr_print_operand): Ditto.
89 (avr_file_start): Ditto.
90 (avr_emit_movmemhi): Ditto.
92 2012-02-08 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/46886
95 * tree-flow.h (do_while_loop_p): Declare.
96 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
97 * tree-parloops.c (parallelize_loops): Only parallelize do-while
100 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
102 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
103 always succeed for integers larger than a native word.
105 2012-02-08 Richard Guenther <rguenther@suse.de>
107 PR rtl-optimization/52170
108 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
109 properly handle integer vector modes.
111 2012-02-08 Jakub Jelinek <jakub@redhat.com>
113 PR gcov-profile/52150
114 * coverage.c: Include target.h.
115 (build_var): Call targetm.strip_name_encoding on the assembler name.
116 Change one _ into . or $ if the target allows it.
117 * Makefile.in (coverage.o): Depend on $(TARGET_H).
119 PR rtl-optimization/52139
120 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
121 is a BARRIER after emit_insn_after_noloc, move BB_END
122 to the last non-BARRIER insn before it.
124 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
127 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
128 (mips_gimplify_va_arg_expr): Call it instead of
129 std_gimplify_va_arg_expr.
131 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
133 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
134 message for -mno-pointers-to-nested-function.
136 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
139 * expr.c (get_inner_reference): If there is an offset, add a negative
140 bit position to it (if any).
142 2012-02-07 Jakub Jelinek <jakub@redhat.com>
144 PR rtl-optimization/52060
145 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
146 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
147 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
148 and/or i0src_copy2 when needed.
150 2012-02-07 Jakub Jelinek <jakub@redhat.com>
152 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
153 or LTOPLUGINSONAME if have_c.
155 * config/freebsd-spec.h: Add comment about what macros can be defined
157 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
158 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
161 2012-02-07 Richard Guenther <rguenther@suse.de>
163 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
164 newline in -alias dumps.
166 2012-02-07 Kai Tietz <ktietz@redhat.com>
167 Dave Korn <dave.korn.cygwin@gmail.com>
170 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
171 Take care that typinfo gets dllexport-attribute.
173 2012-02-07 Jakub Jelinek <jakub@redhat.com>
176 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
177 if modifier < EXPAND_SUM call force_operand on the result.
179 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
181 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
182 adding __forwarder_dst__ prefix if a forwarder_section attribute is
184 (epiphany_function_type): Replace types for specific interrupts with
185 EPIPHANY_FUNCTION_INTERRUPT.
186 (EPIPHANY_INTERRUPT_P): Update.
187 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
189 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
190 <disinterrupt>: Affects type identity.
191 (epiphany_handle_interrupt_attribute): Handle variable number of
193 (epiphany_compute_function_type): Update for new
194 epiphany_function_type definition.
195 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
196 handlers with a longcall forwarder.
197 (epiphany_start_function): Handle multiple interrupt arguments and/or
198 forwarder_section attribute.
200 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
202 2012-02-07 Alan Modra <amodra@gmail.com>
205 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
208 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
210 PR tree-optimization/50969
211 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
212 use vec_perm rather than vector_stmt.
213 (vect_model_load_cost): Likewise.
214 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
215 vec_perm to be the same as other vector statements.
216 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
217 cost of vec_perm for TARGET_VSX.
219 2012-02-06 Richard Guenther <rguenther@suse.de>
221 PR tree-optimization/52115
222 * tree-sra.c (access_has_replacements_p): New function.
223 (sra_modify_assign): Use it to decide whether a use is uninitialized.
225 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
228 * trans-mem.c (expand_call_tm): Add an assertion.
229 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
232 2012-02-06 Richard Guenther <rguenther@suse.de>
234 PR tree-optimization/50955
235 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
236 raise cost of expressions that replace an address with an
237 expression based on a different pointer.
239 2012-02-06 Jakub Jelinek <jakub@redhat.com>
242 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
243 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
245 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
248 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
249 -Weffc++ and specify guidelines come from second edition.
251 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
253 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
254 (sibcall_value_multiple_internal, call_split, call_internal_direct)
255 (call_direct_split, call_value_split, call_value_internal_direct)
256 (call_value_direct_split, call_value_multiple_split): Use jal and
257 jal_macro attributes.
259 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
261 * reload1.c (reload_regs_reach_end_p): Replace with...
262 (reload_reg_rtx_reaches_end_p): ...this function.
263 (new_spill_reg_store): Update commentary.
264 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
265 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
266 before setting new_spill_reg_store.
267 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
268 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
269 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
270 for non-spill reload registers.
272 2012-02-05 Ira Rosen <irar@il.ibm.com>
274 PR tree-optimization/52091
275 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
276 (vect_is_simple_use_1): Likewise.
277 * tree-vect-loop.c (vectorizable_reduction): Update calls
278 to vect_is_simple_use_1 and vect_is_simple_use.
279 (vectorizable_live_operation): Likewise.
280 * tree-vect-patterns.c (widened_name_p,
281 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
283 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
284 vectorizable_call, vectorizable_conversion,
285 vectorizable_assignment, vectorizable_shift,
286 vectorizable_operation, vectorizable_store, vectorizable_load):
288 (vect_is_simple_cond): Add an argument, pass it to
289 vect_is_simple_use_1.
290 (vectorizable_condition): Update calls to vect_is_simple_cond,
292 (vect_is_simple_use): Add an argument, the statement in which
293 OPERAND is used. Check that if OPERAND's def stmt is a double
294 reduction phi node, the use is a phi node too.
295 (vect_is_simple_use_1): Add an argument, pass it to
297 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
298 to vect_is_simple_use.
300 2012-02-04 Jakub Jelinek <jakub@redhat.com>
302 PR rtl-optimization/52095
303 * modulo-sched.c (dump_insn_locator): New function.
304 (loop_canon_p, sms_schedule): Use it.
306 PR rtl-optimization/52113
307 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
308 even for decomposable shift/zext insns.
310 2012-02-03 Jakub Jelinek <jakub@redhat.com>
311 Zdenek Dvorak <ook@ucw.cz>
313 PR rtl-optimization/52092
314 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
315 on get_iv_value result.
317 2012-02-02 Andrew Pinski <apinski@cavium.com>
321 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
323 2012-02-02 Jakub Jelinek <jakub@redhat.com>
326 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
328 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
330 PR rtl-optimization/49800
331 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
332 (sched_finish): Call regstat_free_n_sets_and_refs.
334 2012-02-02 Jia Liu <proljc@gmail.com>
336 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
339 2012-02-02 Jan Hubicka <jh@suse.cz>
340 Tom de Vries <tom@codesourcery.com>
343 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
344 * varpool.c (varpool_analyze_pending_decls): Likewise.
346 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
347 Jayant R Sonar <jayant.sonar@kpitcummins.com>
349 * config.gcc: Add cr16-* support.
351 * doc/extend.texi: Document cr16 extensions.
352 * doc/install.texi: Document cr16 install.
353 * doc/invoke.texi: Document cr16 options.
354 * doc/md.texi: Document cr16 constraints.
356 * common/config/cr16/cr16-common.c: New file.
357 * config/cr16/cr16.c: New file.
358 * config/cr16/cr16.h: New file.
359 * config/cr16/cr16.md: New file.
360 * config/cr16/cr16.opt: New file.
361 * config/cr16/cr16-protos.h: New file.
362 * config/cr16/predicates.md: New file.
363 * config/cr16/constraints.md: New file.
364 * config/cr16/t-cr16: New file.
366 2012-02-02 Jakub Jelinek <jakub@redhat.com>
369 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
370 that operands[2] is either immediate, or q_regs_operand.
372 PR tree-optimization/52073
373 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
374 a pattern stmt for pattern uses, ignore uses outside of the loop.
376 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
378 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
379 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
380 (OUT_AS1, OUT_AS2): Remove.
382 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
384 PR rtl-optimization/51374
385 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
386 to cross other volatile_refs_p insns.
388 2012-02-01 Richard Guenther <rguenther@suse.de>
390 * doc/invoke.texi (fno-inline): Clarify documentation.
391 (finline-small-functions): Likewise.
392 (finline-functions): Likewise.
393 * common.opt (finline): Adjust comment and documentation.
394 (finline-small-functions): Clarify documentation.
395 (finline-functions): Likewise.
396 (finline-functions-called-once): Likewise.
398 2012-02-01 Tristan Gingold <gingold@adacore.com>
400 * c-typeck.c (composite_type): Keep mode for pointers.
402 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
404 * function.h (regno_reg_rtx): Adjust comment.
405 * reginfo.c (init_reg_modes_target): Only use the previous mode
406 if it fits within one register. Remove MIPS comment.
408 2012-01-31 Jakub Jelinek <jakub@redhat.com>
411 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
413 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
415 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
418 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
420 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
423 2012-01-31 Jakub Jelinek <jakub@redhat.com>
428 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
430 2012-01-31 Richard Guenther <rguenther@suse.de>
432 PR tree-optimization/51528
433 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
436 2012-01-31 Jakub Jelinek <jakub@redhat.com>
441 * ree.c (add_removable_extension): Change def_map argument
442 to unsigned *, store in def_map 1 + offset into *insn_list vector
443 instead of pointers into the vector.
444 (find_removable_extensions): Adjust caller.
446 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
448 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
449 Transform all "* quoted-c-code" to { c-code }.
450 Remove redundant test for "optimize" in combine patterns.
451 Move (include "avr-dimode.md") to end of file.
453 2012-01-30 Bin Cheng <bin.cheng@arm.com>
456 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
457 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
459 2012-01-30 Richard Guenther <rguenther@suse.de>
461 PR tree-optimization/52028
462 * tree-loop-distribution.c (ldist_gen): Properly update
465 2012-01-30 Jakub Jelinek <jakub@redhat.com>
468 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
469 set_cur_line_info_table if not emitting debug info.
471 PR tree-optimization/52046
472 * tree-vect-patterns.c (check_bool_pattern): Give up if
473 a comparison could throw.
476 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
478 2012-01-30 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/52045
481 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
482 SSA form if cfgcleanup did anything.
484 2012-01-30 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/52045
487 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
488 before computing final todo.
490 2012-01-30 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/51528
493 * tree-sra.c (sra_modify_assign): Re-factor in preparation
496 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
498 * df-problems.c (df_kill_notes): Check that the use refers
499 to the note under examination.
501 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
504 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
505 parameter and use short-lived pseudos.
506 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
507 (sparc_expand_vector_init): Const-ify local variables and adjust
508 calls to above functions.
510 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
512 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
514 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
516 * doc/invoke.texi: Make usage of "compile time" and
517 "run time"/"runtime" consistent throughout the file.
519 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
521 * config/alpha/alpha.c (alpha_option_overrride): Default to
522 full IEEE compliance mode for Go language.
524 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
526 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
527 (LINK_SSP_SPEC): Define.
529 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
532 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
535 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
537 * doc/invoke.texi: Correct hyphenation of "floating point",
538 "double precision", and related terminology throughout the file.
540 2012-01-28 Jakub Jelinek <jakub@redhat.com>
543 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
544 arm_general_register_operand predicate for operand 2 instead of
547 2012-01-27 Ian Lance Taylor <iant@google.com>
550 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
551 * builtins.c (expand_builtin_init_trampoline): Add onstack
552 parameter. Change caller.
553 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
554 * tree.c (build_common_builtin_nodes): Declare
555 __builtin_init_heap_trampoline.
557 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
559 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
560 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
561 * config/avr/avr.c: Ditto.
562 (avr_regnames): Remove because unused.
563 * config/avr/avr.md (*cpse.ne): New peephole.
564 (*cpse.eq): New peephole from former cpse peepholes.
566 2012-01-27 Michael Eager <eager@eagercon.com>
568 * config/microblaze.c (microblaze_emit_compare): Correct
569 test after pcmp instruction.
571 2012-01-27 Richard Guenther <rguenther@suse.de>
573 PR tree-optimization/52020
574 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
576 2012-01-27 Richard Guenther <rguenther@suse.de>
578 * ipa-pure-const.c (check_stmt): Clobbers do not make a
579 function non-const/pure.
581 2012-01-27 Richard Guenther <rguenther@suse.de>
583 PR tree-optimization/50444
584 * tree-sra.c (build_ref_for_offset): Properly adjust the
585 MEM_REF type for unaligned accesses.
587 2012-01-27 Richard Guenther <rguenther@suse.de>
589 PR tree-optimization/50444
590 * expr.c (mem_ref_refers_to_non_mem_p): New function.
591 (expand_assignment): Use it. Properly handle misaligned
592 bases when expanding stores to component references.
593 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
596 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
599 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
600 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
601 * tree-data-ref.c (find_data_references_in_loop): Make static.
602 (compute_all_dependences): Change return type to bool. Bail out
603 for too many datarefs in a loop. Move the hunk resetting the data
604 dependences vector from ...
605 (compute_data_dependences_for_loop): ... here. Account for
606 compute_all_dependences returning false.
607 (compute_data_dependences_for_bb): Likewise.
608 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
609 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
611 2012-01-27 Richard Guenther <rguenther@suse.de>
614 * expr.c (store_field): Use the alias-set of the scratch memory
617 2012-01-27 Tom de Vries <tom@codesourcery.com>
619 PR tree-optimization/51990
620 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
622 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
624 2012-01-27 Jakub Jelinek <jakub@redhat.com>
627 * var-tracking.c (reverse_op): Don't add any reverse operation
628 if V already has any constant locations.
630 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
632 * doc/invoke.texi: Correct usage of "command line" (noun)
633 vs "command-line" (adjective) throughout.
635 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
637 * doc/invoke.texi (Language Independent Options): Move
638 -Wcoverage-mismatch blurb from here....
639 (Warning Options): ...to here.
641 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
643 * config/rs6000/rs6000.c (rs6000_option_override_internal):
644 Set rs6000_always_hint to false for 476.
646 2012-01-27 Matthias Klose <doko@ubuntu.com>
648 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
650 * incpath.c (add_standard_paths): Likewise.
652 2012-01-27 Richard Henderson <rth@redhat.com>
654 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
655 * config/m68k/sync.md (atomic_test_and_set): Rename from
656 sync_test_and_setqi and adjust the operands.
657 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
658 and unconditionally enable.
660 2012-01-27 Richard Henderson <rth@redhat.com>
662 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
663 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
664 (ldstub): Rename from ldstubqi.
665 (ldstub<I24MODE>): Remove.
667 2012-01-27 Richard Henderson <rth@redhat.com>
669 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
670 * c-cppbuiltin.c (cpp_atomic_builtins): Define
671 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
672 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
673 * doc/tm.texi: Rebuild.
675 2012-01-27 Richard Henderson <rth@redhat.com>
677 * optabs.c (gen_atomic_test_and_set): Remove default.
678 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
680 2012-01-26 Jakub Jelinek <jakub@redhat.com>
682 PR rtl-optimization/51978
683 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
684 (combine_reaching_defs): Likewise.
685 (struct re_info): Remove.
686 (add_removable_extension): Remove x and data arguments,
687 add insn, insn_list and def_map. Use the arguments directly
688 instead of using struct re_info.
689 (find_removable_extensions): Don't call add_removable_extension
690 through note_stores, instead just call it with single_set
692 (find_and_remove_re): Pass curr_cand->expr instead of
693 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
695 2012-01-26 Michael Matz <matz@suse.de>
697 PR tree-optimization/46590
698 * cfgexpand.c: Revert last change (r183305).
699 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
701 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
702 checking for emptiness.
704 2012-01-26 Jakub Jelinek <jakub@redhat.com>
707 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
708 non-addressable non-BLKmode base correctly.
710 2012-01-26 Michael Matz <matz@suse.de>
712 PR tree-optimization/48794
713 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
714 regions referenced from RESX/EH_DISPATCH.
716 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
718 * config/s390/s390.h: Make BRANCH_COST an option.
719 * config/s390/s390.opt: New option -mbranch-cost.
721 2012-01-26 Richard Henderson <rth@redhat.com>
723 Revert 2012-01-24 change:
724 * trans-mem.c (requires_barrier): Do not instrument thread local
725 variables and emit save/restore for them.
727 2012-01-25 Jakub Jelinek <jakub@redhat.com>
730 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
733 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
735 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
738 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
741 Rename __pgm to __flash.
742 Rename __pgm1 to __flash1.
743 Rename __pgm2 to __flash2.
744 Rename __pgm3 to __flash3.
745 Rename __pgm4 to __flash4.
746 Rename __pgm5 to __flash5.
747 Rename __pgmx to __memx.
748 * doc/extend.texi (AVR Named Address Spaces)
749 Rename address space names as indicated above.
750 * config/avr/avr.c (avr_addrspace): Ditto.
752 * config/avr/avr-protos.h
753 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
754 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
755 * config/avr/predicates.md: Ditto.
756 * config/avr/avr.c Ditto, and
757 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
758 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
760 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
761 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
762 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
763 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
764 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
765 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
766 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
767 * config/avr/avr.c: Ditto.
768 * config/avr/avr.md: Ditto.
770 2012-01-25 Jason Merrill <jason@redhat.com>
773 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
775 2012-01-25 Jakub Jelinek <jakub@redhat.com>
777 PR tree-optimization/51987
778 * tree-data-ref.c (get_references_in_stmt): Handle references in
779 non-volatile GIMPLE_ASM.
781 2012-01-25 Richard Guenther <rguenther@suse.de>
783 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
784 bases are dereferenced.
786 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
788 PR rtl-optimization/48374
789 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
791 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
793 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
794 compute_data_dependences_for_loop returns false.
795 * tree-parloops.c (loop_parallel_p): Likewise.
797 2012-01-25 Richard Guenther <rguenther@suse.de>
799 * tree.h (get_pointer_alignment_1): Declare.
800 * builtins.c (get_pointer_alignment_1): New function.
801 (get_pointer_alignment): Use it.
803 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
805 PR rtl-optimization/48308
806 * combine.c (enum undo_kind): Add UNDO_LINKS.
807 (struct undo): Add member l to other_contents and where.
808 (do_SUBST_LINK): New.
810 (try_combine): Handle LOG_LINKS for the dummy i1 case.
811 (undo_all): Handle UNDO_LINKS.
813 2012-01-25 Richard Henderson <rth@redhat.com>
815 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
818 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
820 * optabs.c (gen_atomic_test_and_set): Use each argument.
822 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
824 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
825 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
826 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
827 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
828 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
829 TARGET_PAIRED_SINGLE_FLOAT.
831 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
833 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
834 (in_struct, return_val): Remove MEM documentation.
835 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
836 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
837 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
839 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
840 * cfgexpand.c (add_alias_set_conflicts): Likewise.
841 * expr.c (store_field): Likewise.
842 * function.c (assign_stack_temp_for_type): Likewise.
843 * ifcvt.c (noce_try_cmove_arith): Likewise.
844 * reload1.c (reload): Likewise.
845 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
846 (alpha_set_memflags): Likewise.
847 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
849 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
851 * rtl.h (true_dependence, canon_true_dependence): Remove varies
853 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
854 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
855 (true_dependence_1, true_dependence, canon_true_dependence): Remove
857 * cselib.c (cselib_rtx_varies_p): Delete.
858 (cselib_invalidate_mem): Update call to canon_true_dependence.
859 * dse.c (record_store, check_mem_read_rtx): Likewise.
860 (scan_reads_nospill): Likewise.
861 * cse.c (check_dependence): Likewise.
862 (cse_rtx_varies_p): Delete.
863 * expr.c (safe_from_p): Update call to true_dependence.
864 * ira.c (validate_equiv_mem_from_store): Likewise.
865 (memref_referenced_p): Likewise.
866 * postreload-gcse.c (find_mem_conflicts): Likewise.
867 * sched-deps.c (sched_analyze_2): Likewise.
868 * store-motion.c (load_kills_store): Likewise.
869 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
870 * gcse.c (mems_conflict_for_gcse_p): Likewise.
871 (compute_transp): Update call to canon_true_dependence.
873 2012-01-25 Richard Henderson <rth@redhat.com>
875 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
876 (maybe_emit_atomic_test_and_set): New.
877 (expand_sync_lock_test_and_set): Use it.
878 (expand_atomic_test_and_set): Likewise.
879 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
880 the implementation; clarify implementation defined details.
881 * doc/md.texi (atomic_test_and_set): Document.
883 2012-01-25 Richard Henderson <rth@redhat.com>
885 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
887 2012-01-25 Richard Henderson <rth@redhat.com>
890 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
891 to effect no-op split.
893 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
896 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
897 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
898 (BT_FN_VOID_PTR_INT_SIZE): New.
899 (BT_FN_UINT_UINT_VAR): Remove.
900 (BT_FN_UINT32_UINT32_VAR): New.
901 (BT_FN_DOUBLE_VPTR): Remove.
902 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
904 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
905 (_ITM_changeTransactionMode): Same.
906 (_ITM_memmoveRtWt): Change return type to void.
907 (_ITM_memcpyRtWt): Same.
908 (_ITM_memsetW): Same.
909 (_ITM_RaRD): Change types to double.
914 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
916 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
917 Patrick Marlier <patrick.marlier@gmail.com>
919 * trans-mem.c (requires_barrier): Do not instrument thread local
920 variables and emit save/restore for them.
922 2012-01-24 Jason Merrill <jason@redhat.com>
925 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
926 output static aliases.
928 2012-01-24 Jakub Jelinek <jakub@redhat.com>
931 * common.opt (-pie, -shared, pie, shared): Change from Common to
933 * gcc.c (display_help): Display help for -pie and -shared.
935 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
938 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
939 Remove note on size/offset limitation.
940 (AVR Variable Attributes): Add example how to read data located
941 with progmem. Refer to named address spaces.
942 * doc/invoke.texi (AVR Options): Fix typo.
944 2012-01-24 Richard Guenther <rguenther@suse.de>
946 Forward-port to trunk
947 2010-09-21 Jakub Jelinek <jakub@redhat.com>
950 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
951 op0 isn't sufficiently aligned and there is movmisalignM
952 insn for mode, use it to load op0 into a temporary register.
954 2012-01-24 Jakub Jelinek <jakub@redhat.com>
957 * target.def (const_not_ok_for_debug_p): New hook.
958 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
960 * doc/tm.texi: Regenerated.
961 * dwarf2out.c (const_ok_for_output_1): If
962 targetm.const_not_ok_for_debug_p returns true, fail.
963 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
965 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
967 2012-01-23 Kai Tietz <ktietz@redhat.com>
970 * config/i386/predicates.md (symbolic_operand): Allow
971 UNSPEC_PCREL as PIC expression for lea.
972 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
973 * config/i386/i386.c (ix86_delegitimize_address): Handle
974 UNSPEC_PCREL for none-MEM, too.
976 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
978 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
979 (ipa_tm_create_version_alias): Same.
981 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
984 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
985 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
987 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
988 Patrick Marlier <patrick.marlier@gmail.com>
989 Iain Sandoe <developer@sandoe-acoustics.co.uk>
992 * lto-wrapper.c (run_gcc): Pass the LTO section name to
993 simple_object_start_read.
995 2012-01-23 Richard Guenther <rguenther@suse.de>
998 PR tree-optimization/51895
999 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1000 parameter decomposition into BLKmode components.
1002 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1004 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1005 fake variables for restrict-qualified pointers whose pointed-to type
1006 contains a placeholder.
1008 2012-01-23 Richard Guenther <rguenther@suse.de>
1010 PR tree-optimization/51949
1011 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1013 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1015 PR rtl-optimization/51933
1016 * ree.c (transform_ifelse): Return true right away if dstreg is
1017 already wider or equal to cand->mode.
1018 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1019 (make_defs_and_copies_lists): Remove defs_list and copies_list
1020 arguments, add state argument, just truncate state->work_list
1021 instead of always allocating and freeing the vector. Assert that
1022 get_defs succeeds instead of returning 2. Changed return type to bool.
1023 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1024 have ext_src_mode, see if it has been modified already with the
1025 right kind of extension and has been extended before from the
1026 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1027 just return true. Remember the original mode in state->modified array.
1028 (combine_reaching_defs): Add state argument. Don't allocate and
1029 free here def_list, copied_list and vec vectors, instead just
1030 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1031 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1032 Add state variable, clear vectors in it, initialize state.modified
1033 if needed. Free all the vectors at the end and state.modified too.
1034 Don't skip a candidate if the extension expression has been modified.
1036 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1039 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1040 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1041 (extra_options) interix.opt -> i386/interix.opt"
1042 (extra_objs):Add winnt-stubs.o
1043 * configure.ac: Add interix to target_os .comm on PE check.
1044 * configure: Regenerate.
1045 * config/interix3.h: Delete and move bits to..
1046 * config/interix.h: Delete and move bits to..
1047 * config/i386/i386-interix3.h: Delete and move bits to..
1048 * config/i386/i386-interix.h: ..here.
1049 (TARGET_CPU_DEFAULT): Remove redefinition.
1050 (TARGET_ASM_CONSTRUCTOR): Undefine.
1051 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1052 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1053 (PTRDIFF_TYPE): Define.
1054 (LONG_DOUBLE_TYPE_SIZE): Define.
1055 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1056 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1057 (TARGET_SECTION_TYPE_FLAGS): Define.
1058 (ASM_DECLARE_FUNCTION_NAME): Define.
1059 (ASM_OUTPUT_EXTERNAL): Define.
1060 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1061 (ASM_OUTPUT_ALIGNED_BSS): Define.
1062 (PCC_BITFIELD_TYPE_MATTERS): Define.
1063 (USE_CONST_SECTION): Define.
1064 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1065 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1066 (SUPPORTS_ONE_ONLY): Remove.
1067 (I386_PE_STRIP_ENCODING): Define.
1068 * config/interix.opt: Delete and move bits to..
1069 * config/i386/interix.opt: ..here. New.
1070 (mpe-aligned-commons): Add.
1071 * config/i386/t-interix: Add copyright header.
1072 (winnt-stubs.o): Add rule.
1074 2012-01-22 Jason Merrill <jason@redhat.com>
1077 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1078 for extra name aliases.
1080 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1082 PR rtl-optimization/51924
1083 * ree.c (combine_set_extension): Improve debugging message.
1084 (combine_reaching_defs): Likewise.
1085 (get_defs): Rename confusingly named variable.
1086 (find_and_remove_re): Skip a candidate if the extension expression has
1089 2012-01-21 Robert Millan <rmh@gnu.org>
1090 Gerald Pfeifer <gerald@pfeifer.com>
1092 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1093 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1095 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1097 PR tree-optimization/51914
1098 * tree-vect-stmts.c (vectorizable_conversion): For
1099 cvt_type && modifier == WIDEN, put temporary with cvt_type
1100 at the beginning of vec_dsts and set vec_dest to temporary
1103 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1105 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1107 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1109 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1110 * config/rs6000/rs6000.c: Likewise.
1112 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1115 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1116 output_move_double on a copy of operands array.
1118 2012-01-20 Cary Coutant <ccoutant@google.com>
1119 Dodji Seketeli <dodji@redhat.com>
1122 * dwarf2out.c (copy_declaration_context): Return ref to parent
1123 of declaration DIE, if necessary.
1124 (remove_child_or_replace_with_skeleton): Add new parameter; update
1125 caller. Place skeleton DIE under parent DIE of original declaration.
1126 Move call to copy_declaration_context to here ...
1127 (break_out_comdat_types): ... from here.
1129 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1131 PR rtl-optimization/51856
1132 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1135 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1138 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1139 hints for neon loads and stores.
1141 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1145 * doc/extend.texi (Named Address Spaces): Split into subsections.
1146 (AVR Named Address Spaces): New subsection.
1147 (M32C Named Address Spaces): New subsection.
1148 (RL78 Named Address Spaces): New subsection.
1149 (SPU Named Address Spaces): New subsection.
1150 (Variable Attributes): New anchor "AVR Variable Attributes".
1151 (AVR Variable Attributes): Rewrite and avoid wording
1152 "address space" in this context.
1153 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1154 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1155 (AVR Built-in Macros): New subsubsection therein.
1156 * doc/md.texi (AVR constraints): Remove "C04", "R".
1158 2012-01-20 Richard Guenther <rguenther@suse.de>
1160 PR tree-optimization/51903
1161 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1162 when removing stmts.
1164 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1167 * config/arm/arm.c (arm_load_pic_register): Use
1168 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1169 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1170 (arm_pic_static_addr): Likewise.
1171 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1172 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1173 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1174 (pic_load_addr_unified): New.
1176 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1179 * function.c (instantiate_virtual_regs_in_insn): Use
1180 delete_insn_and_edges when removing a wrong asm insn.
1182 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1184 PR rtl-optimization/40761
1185 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1186 Add new member loop_num.
1187 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1188 (ira_build): Remove the parameter.
1190 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1191 (ira.c): Do not build CFG loops for one region allocation. Remove
1192 argument from ira_build call.
1194 * ira-build.c (init_loop_tree_node): New function.
1195 (create_loop_tree_nodes): Use it. Separate the case when CFG
1196 loops are not built.
1197 (more_one_region_p): Check current_loops.
1198 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1200 (add_loop_to_tree): Process loop equal to NULL too.
1201 (form_loop_tree): Separate the case when CFG loops are not built.
1202 Use explicitly number for the root.
1203 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1205 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1206 instead of loop->num.
1207 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1208 (mark_all_loops_for_removal): Ditto.
1209 (remove_unnecessary_regions): Separate the case when CFG loops
1211 (ira_build): Remove the parameter. Use explicit number of regions
1212 when CFG loops are not built.
1214 * ira-color.c (print_loop_title): Separate the case for the root node.
1215 Use loop_num instead of loop->num.
1216 (move_spill_restore): Use loop_num instead of loop->num.
1218 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1219 (change_loop): Ditto.
1220 (change_loop): Use loop_num instead of loop->num.
1222 * ira-lives.c (process_bb_node_lives): Ditto.
1224 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1226 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1228 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1231 * tree-mudflap.c (mf_artificial): New function.
1232 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1233 mx_register_decls, mudflap_enqueue_decl): Use it.
1236 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1237 numbers in the insn pattern.
1239 2012-01-19 Michael Matz <matz@suse.de>
1241 PR tree-optimization/46590
1242 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1243 use it in remembering which conflicts we already created.
1244 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1247 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1250 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1251 (merge_and_complain): Same.
1253 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1256 * config/initfini-array.h: Guard content of the header
1257 with #ifdef HAVE_INITFINI_ARRAY.
1258 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1259 Add initfini-array.h to tm_file here.
1260 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1261 * config.gcc: Don't add initfini-array.h to tm_file here.
1262 * configure: Regenerated.
1264 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1266 PR rtl-optimization/51505
1267 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1268 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1269 (df_note_bb_compute): Update the call to df_kill_notes.
1271 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1273 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1275 2012-01-18 Richard Guenther <rguenther@suse.de>
1277 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1278 of conversions to void *.
1280 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1281 Richard Sandiford <rdsandiford@googlemail.com>
1285 * optabs.h (simplify_expand_binop): Declare.
1286 * optabs.c (simplify_expand_binop): Make global.
1287 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1288 endian targets if the source cannot be exactly covered by word
1291 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1294 * hard-reg-set.h (struct hard_reg_set_container): New type.
1295 * target.h (struct hard_reg_set_container): Forward declare.
1296 * target.def (set_up_by_prologue): New target hook.
1297 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1298 * doc/tm.texi: Regenerated.
1299 * function.c (thread_prologue_and_epilogue_insns): Change
1300 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1301 Call targetm.set_up_by_prologue on it.
1302 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1303 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1305 2012-01-17 Nick Clifton <nickc@redhat.com>
1307 * config/rx/rx.c (rx_can_use_simple_return): New function.
1308 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1309 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1311 2012-01-17 Richard Guenther <rguenther@suse.de>
1314 * expr.c (expand_assignment): Take address-space information
1315 from the address operand of MEM_REF and TARGET_MEM_REF.
1316 (expand_expr_real_1): Likewise.
1318 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1320 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1321 reload dump is requested.
1323 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1326 * trans-mem.c (requires_barrier): Call may_be_aliased.
1328 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1330 PR tree-optimization/51877
1331 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1332 call arguments and fndecls compare equal, instead return false if they
1333 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1334 both SSA_NAMEs that are valueized the same, or they satisfy
1337 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1339 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1341 * configure: Regenerate.
1343 2012-01-16 Jan Hubicka <jh@suse.cz>
1347 * convert.c (convert_to_integer): Use fold_convert for
1348 converting an INTEGER_CST to integer type.
1350 2012-01-16 Jason Merrill <jason@redhat.com>
1353 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1355 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1358 * config/s390/s390.c (s390_chunkify_start): Don't skip
1359 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1360 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1361 If insn is followed by NOTE_INSN_VAR_LOCATION or
1362 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1363 Don't use location of note insns.
1365 PR tree-optimization/51865
1366 * tree-inline.c (tree_function_versioning): Call remap_decl
1367 on DECL_RESULT whenever it has VOID_TYPE_P type.
1369 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1371 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1372 for calls to locally-binding MIPS16 functions if only the return
1373 type uses float regs.
1375 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1376 Richard Sandiford <rdsandiford@googlemail.com>
1378 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1379 (SYMBOL_32_HIGH): Likewise.
1380 (mips_output_tls_reloc_directive): Declare.
1381 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1382 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1383 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1384 (mips_lo_relocs, mips_hi_relocs): Make extern.
1385 (mips16_stub_function): Move up file.
1386 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1387 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1388 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1389 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1390 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1391 (mips_get_tp): Add MIPS16 support.
1392 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1393 Generalize DTPREL and TPREL handling.
1394 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1395 Add MIPS16 TLS support.
1396 (mips_output_tls_reloc_directive): New function.
1397 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1398 * config/mips/predicates.md (symbolic_operand_with_high)
1399 (tls_reloc_operand): New predicates.
1400 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1401 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1402 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1403 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1404 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1405 (*tls_get_tp_mips16_call_<mode>): Likewise.
1407 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1409 PR rtl-optimization/51821
1410 * recog.c (peep2_find_free_register): Determine clobbered registers
1413 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1416 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1417 * config/avr/avr.c: Likewise.
1418 * config/avr/avr.h: Likewise.
1420 2012-01-13 Ian Lance Taylor <iant@google.com>
1423 * tree.h (TYPE_QUALS): Add cast to int.
1424 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1426 2012-01-13 Ian Lance Taylor <iant@google.com>
1428 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1429 comparing param_index to VEC_length result.
1431 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1433 * c-decl.c: Do not include tree-mudflap.h
1434 * tree-optimize.c: Likewise.
1435 * Makefile.in: Update dependencies.
1437 2012-01-13 Richard Guenther <rguenther@suse.de>
1440 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1441 variable-sized result always use RSO.
1443 2012-01-12 DJ Delorie <dj@redhat.com>
1445 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1446 pointer type, not just the default pointer type.
1448 2012-01-09 Richard Henderson <rth@redhat.com>
1449 Denis Chertykov <chertykov@gmail.com>
1452 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1453 * config/avr/avr.c (avr_can_eliminate): Simplify.
1454 (avr_initial_elimination_offset): Likewise.
1455 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1456 (expand_epilogue): Likewise.
1457 (avr_legitimize_address): Gut.
1458 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1459 (avr_hard_regno_nregs): New.
1460 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1461 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1462 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1463 add soft frame pointer.
1464 (CALL_USED_REGISTERS): Likewise.
1465 (REG_CLASS_CONTENTS): Likewise.
1466 (REGISTER_NAMES): Likewise.
1467 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1468 (HARD_FRAME_POINTER_REGNUM): New.
1469 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1470 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1471 remove the HARD_FRAME_POINTER self-elimination.
1473 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1476 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1477 DECL_EXTERNAL when checking for initializers of progmem variables.
1479 2012-01-12 Ira Rosen <irar@il.ibm.com>
1481 PR tree-optimization/51799
1482 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1483 that the last operation is a type demotion.
1485 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1487 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1488 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1490 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1493 * combine.c (distribute_notes): If i3 is a noreturn call,
1494 allow old_size to be equal to args_size and make sure the
1495 noreturn call gets REG_ARGS_SIZE note.
1496 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1497 on noreturn calls even when the delta is 0.
1499 2012-01-11 Nathan Sidwell <nathan@acm.org>
1501 * gcov.c (STRING_SIZE): Remove.
1502 (generate_results): Erase annotations for source files with no
1503 coverage information.
1505 (output_lines): Use it.
1507 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1509 * gimple.h (gimplify_body): Remove first argument.
1510 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1511 pointer set here, instead just pass DATA to walk_tree.
1512 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1513 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1514 (unvisit_body): Likewise, but with unmark_visited.
1515 (gimplify_body): Remove BODY_P argument and adjust.
1516 (gimplify_function_tree): Adjust call to gimplify_body.
1517 * omp-low.c (finalize_task_copyfn): Likewise.
1519 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1521 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1522 (build_function_type_skip_args): Delete.
1523 * tree.c (build_function_type_skip_args): Make static and add
1524 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1525 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1526 pass it to build_function_type_skip_args.
1527 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1528 (tree_function_versioning): Likewise.
1529 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1530 build_function_decl_skip_args.
1531 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1532 and pass it to build_function_decl_skip_args/tree_function_versioning.
1533 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1534 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1535 * trans-mem.c (ipa_tm_create_version): Likewise.
1536 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1537 * tree-inline.c (declare_return_variable): Remove always-true test.
1538 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1539 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1540 * ipa-split.c (split_function): Skip the return value for the split
1541 part if it doesn't return.
1543 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1545 PR tree-optimization/49642
1546 * ipa-split.c (forbidden_dominators): New variable.
1547 (check_forbidden_calls): New function.
1548 (dominated_by_forbidden): Likewise.
1549 (consider_split): Check for forbidden dominators.
1550 (execute_split_functions): Initialize and free forbidden
1551 dominators info; call check_forbidden_calls.
1553 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1555 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1557 2012-01-11 Nick Clifton <nickc@redhat.com>
1559 * config/rx/rx.md (return): Define pattern.
1561 2012-01-11 Richard Guenther <rguenther@suse.de>
1563 * doc/extend.texi (malloc attribute): Adjust according to
1566 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1567 Patrick Marlier <patrick.marlier@gmail.com>
1570 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1571 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1572 (ipa_tm_note_irrevocable): Same.
1573 (ipa_tm_scan_irr_block): Same.
1574 (ipa_tm_decrement_clone_counts): Same.
1575 (ipa_tm_scan_irr_function): Same.
1576 (ipa_tm_create_version_alias): Same.
1577 (ipa_tm_create_version): Same.
1578 (ipa_tm_transform_calls_redirect): Same.
1579 (ipa_tm_transform_calls): Same.
1580 (ipa_tm_transform_transaction): Same.
1581 (ipa_tm_execute): Same.
1583 2012-01-10 Richard Guenther <rguenther@suse.de>
1586 * opts.c (common_handle_option): Handle -Werror.
1588 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1590 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1593 2012-01-10 Jason Merrill <jason@redhat.com>
1595 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1598 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1600 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1601 supports R_386_TLS_GD_PLT reloc.
1602 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1603 supports R_386_TLS_LDM_PLT reloc.
1604 * configure: Regenerate.
1605 * config.in: Regenerate.
1607 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1610 Extend __pgmx semantics to linearize memory.
1611 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1612 determine if code comes inline or from libgcc.
1613 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1614 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1615 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1616 (movmemx_qi, movmemx_hi): New insns.
1617 (xload_<mode>_libgcc): Rewrite to new insn condition.
1618 (xload_<mode>): Remove insns.
1619 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1620 cases that don't satisfy avr_xload_libgcc_p().
1621 (avr_addr_space_convert): Allow converting in any direction.
1622 (avr_addr_space_subset_p): Return always true.
1623 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1624 (avr_emit_movmemhi): Ditto.
1625 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1626 (avr_out_movmem): Ditto.
1627 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1628 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1629 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1630 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1631 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1633 2012-01-10 Richard Guenther <rguenther@suse.de>
1635 PR tree-optimization/50913
1636 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1637 Require data-refs to be representable by Graphite with respect
1640 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1642 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1643 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1645 2012-01-10 Tom de Vries <tom@codesourcery.com>
1647 PR rtl-optimization/51271
1648 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1649 handling annulled branch.
1651 2012-01-10 Richard Henderson <rth@redhat.com>
1653 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1654 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1655 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1656 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1657 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1658 arm_expand_vec_perm_const): New.
1659 * config/arm/arm-protos.h: Update.
1660 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1661 (*neon_vswp<VDQX>): New.
1662 (neon_vcombine<VDX>): Use neon_split_vcombine.
1663 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1664 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1665 (vec_perm<VE>): New.
1667 2012-01-10 Richard Henderson <rth@redhat.com>
1669 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1670 use it if reload_completed.
1671 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1672 arm_output_asm_insn, arm_process_output_memory_barrier,
1673 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1674 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1675 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1676 arm_process_output_sync_insn, arm_output_sync_insn,
1677 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1678 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1679 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1680 (emit_unlikely_jump): New.
1681 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1682 (arm_split_atomic_op): New.
1683 * config/arm/arm-protos.h: Update.
1684 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1685 (struct arm_sync_generator): Remove.
1686 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1687 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1688 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1689 (VUNSPEC_LL, VUNSPEC_SC): New.
1690 (sync_result, sync_memory, sync_required_value, sync_new_value,
1691 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1692 (attr length): Don't use arm_sync_loop_insns.
1693 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1694 (movsfcc, movdfcc): Likewise.
1695 * config/arm/constraints.md (Ua): New.
1696 * config/arm/prediates.md (mem_noofs_operand): New.
1697 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1698 (sync_clobber, sync_t2_reqd): Remove.
1699 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1700 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1701 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1702 (arm_sync_compare_and_swap<SIDI>): Remove.
1703 (arm_sync_compare_and_swap<NARROW>): Remove.
1704 (arm_sync_lock_test_and_set<SIDI>): Remove.
1705 (arm_sync_lock_test_and_set<NARROW>): Remove.
1706 (arm_sync_new_<syncop><SIDI>): Remove.
1707 (arm_sync_new_<syncop><NARROW>): Remove.
1708 (arm_sync_new_nand<SIDI>): Remove.
1709 (arm_sync_new_nand<NARROW>): Remove.
1710 (arm_sync_old_<syncop><SIDI>): Remove.
1711 (arm_sync_old_<syncop><NARROW>): Remove.
1712 (arm_sync_old_nand<SIDI>): Remove.
1713 (arm_sync_old_nand<NARROW>): Remove.
1714 (*memory_barrier): Merge arm_output_memory_barrier.
1715 (atomic_compare_and_swap<QHSD>): New.
1716 (atomic_compare_and_swap<NARROW>_1): New.
1717 (atomic_compare_and_swap<SIDI>_1): New.
1718 (atomic_exchange<QHSD>): New.
1719 (cas_cmp_operand, cas_cmp_str): New.
1720 (atomic_op_operand, atomic_op_str): New.
1721 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1722 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1723 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1724 (arm_load_exclusive<NARROW>): New.
1725 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1726 (arm_store_exclusive<QHSD>): New.
1728 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1730 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1731 reload patterns if -mvsx-scalar-memory.
1733 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1734 generated, even -mno-vsx-scalar-double was used.
1735 (vsx_xscvdpsp_scalar): Likewise.
1736 (vsx_xscvspdp_scalar2): Likewise.
1738 2012-01-09 Tom de Vries <tom@codesourcery.com>
1739 Andrew Pinski <apinski@cavium.com>
1742 * reorg.c (fill_slots_from_thread): Don't speculate
1743 frame-related insns.
1745 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1747 * sched-int.h (bb_note): Move to...
1748 * basic-block.h: ...here.
1749 * haifa-sched.c (bb_note): Move to...
1750 * cfgrtl.c: ...here.
1751 * function.c (next_block_for_reg): New function.
1752 (move_insn_for_shrink_wrap): Likewise.
1753 (prepare_shrink_wrap): Rewrite to use the above.
1755 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1757 * gimple.c (is_gimple_non_addressable): Remove.
1758 * gimple.h: Remove is_gimple_non_addressable.
1759 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1760 is_gimple_non_addressable.
1761 * trans-mem.c (expand_assign_tm): Same.
1763 2012-01-09 Richard Guenther <rguenther@suse.de>
1765 PR tree-optimization/51775
1766 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1767 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1769 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1771 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1773 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1775 2012-01-09 Richard Guenther <rguenther@suse.de>
1777 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1779 2012-01-08 Jan Hubicka <jh@suse.cz>
1781 PR tree-optimize/51680
1782 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1783 on when known_vals needs to be computed; cleanup.
1785 2012-01-08 Jan Hubicka <jh@suse.cz>
1787 PR tree-optimize/51694
1788 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1790 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1792 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1793 for -std=c++98 and -std=c++11 too.
1795 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1797 * cfgloop.c (cancel_loop): Add free() of bbs array.
1799 2012-01-07 Jan Hubicka <jh@suse.cz>
1801 PR tree-optimization/51600
1802 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1803 that benefits small functions.
1805 2012-01-07 Jan Hubicka <jh@suse.cz>
1807 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1809 2012-01-07 Jan Hubicka <jh@suse.cz>
1811 PR tree-optimization/51680
1812 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1813 whose inlining reduce unit size.
1815 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1818 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1819 Add canonical node to containing_mem chain after the non-canonical
1820 one, even if there weren't any locs to propagate.
1821 (remove_useless_values): Keep only canonical values.
1822 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1823 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1824 canonicalize mem_chain elements that are not discarded.
1826 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1829 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1830 before emitting functions.
1832 PR gcov-profile/50127
1833 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1834 clear_aux_for_blocks.
1836 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1839 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1841 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1843 * c-decl.c (ext_block): Moved up.
1844 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1846 2012-01-06 Han Shen <shenhan@google.com>
1848 Translate built-in include paths for sysroot.
1849 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1850 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1852 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1853 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1855 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1856 control whether sysroot should be prepended to gxx include dir.
1858 * configure: Regenerate.
1860 2012-01-06 Torvald Riegel <triegel@redhat.com>
1862 PR rtl-optimization/51771
1863 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1864 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1866 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1868 PR tree-optimization/51315
1869 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1870 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1872 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1875 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1876 for shrp pattern. Correctly handle and fixup shift variable.
1877 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1879 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1882 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1883 note when !ACCUMULATE_OUTGOING_ARGS.
1885 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1887 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1889 (extract_range_from_unary_expr_1): Avoid useless computations.
1891 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1893 PR rtl-optimization/51767
1894 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1895 of jump_block and add an extra edge for degenerated asm gotos.
1898 * stmt.c (check_unique_operand_names): Don't ICE during error
1899 reporting if i is from labels chain.
1902 * profile.c (branch_prob): Split bbs that have exit edge
1903 and need a fake entry edge too.
1905 2012-01-05 Jan Hubicka <jh@suse.cz>
1908 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1911 2012-01-05 Richard Guenther <rguenther@suse.de>
1914 * tree-streamer-out.c (write_ts_optimization): New function.
1915 (streamer_write_tree_body): Call it.
1916 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1917 (streamer_read_tree_body): Call it.
1918 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1920 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1923 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1924 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1925 in_cleanup_point_expr before gimplify_stmt call and restore it
1927 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1928 in_cleanup_point_expr is false.
1930 2012-01-05 Richard Guenther <rguenther@suse.de>
1933 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1935 * toplev.c (process_options): Reject combining mudflap and LTO.
1936 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1938 2012-01-05 Richard Guenther <rguenther@suse.de>
1940 PR tree-optimization/51760
1941 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1943 (bit_value_unop): Handle UNDEFINED operands.
1944 (bit_value_binop): Likewise.
1946 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1948 * config/avr/avr.c (avr_replace_prefix): Remove.
1949 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1950 (avr_asm_function_rodata_section): Ditto.
1951 (avr_asm_select_section): Ditto.
1953 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1955 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1958 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1961 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1962 calls that have any non-fake successor edges.
1965 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1967 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1969 PR tree-optimization/51624
1970 * tree-sra.c (build_ref_for_model): When replicating a chain of
1971 COMPONENT_REFs, stop as soon as the offset would become negative.
1973 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1976 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1977 in .debug_loc on the floor.
1979 2012-01-04 Andrew Pinski <apinski@cavium.com>
1981 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1983 2012-01-04 Andrew Pinski <apinski@cavium.com>
1984 Adam Nemet <anemet@caviumnetworks.com>
1986 * config/mips/mips.md (size): Add SI and DI.
1987 (SIZE): New mode attribute.
1988 (U): New code attribute.
1989 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1990 (mips_lbux_<mode>): Delete.
1991 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1992 (mips_lhx): Use gen_mips_lhx_extsi.
1993 (mips_lhx_<mode>): Delete.
1995 (mips_l<size>x): New expand.
1996 (mips_lwx_<mode>): Delete.
1997 (mips_l<GPR:size>x_<P:mode>): New pattern.
1998 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1999 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2000 * config/mips/mips.c (mips_lx_address_p): New function.
2001 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2002 (dsp64): New availability predicate.
2003 (mips_builtins): Add an entry for __builtin_mips_ldx.
2004 * config/mips/mips.h (ISA_HAS_LBX): New define.
2005 (ISA_HAS_LBUX): Likewise.
2006 (ISA_HAS_LHX): Likewise.
2007 (ISA_HAS_LHUX): Likewise.
2008 (ISA_HAS_LWX): Likewise.
2009 (ISA_HAS_LWUX): Likewise.
2010 (ISA_HAS_LDX): Likewise.
2011 * doc/extend.texi (__builtin_mips_ldx): Document.
2013 2012-01-04 Tristan Gingold <gingold@adacore.com>
2015 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2016 when long pointers are used.
2017 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2018 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2019 (ia64-hp-*vms*): Remove.
2020 * config/vms/xm-vms64.h: Delete.
2022 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2025 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2027 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2029 * opts.c (finish_options): Remove duplicate sorry.
2031 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2034 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2037 2012-01-04 Richard Guenther <rguenther@suse.de>
2040 * tree.c (size_low_cst): New function.
2041 * tree.h (size_low_cst): Declare.
2042 * fold-const.c (fold_comparison): Use it to extract the low
2043 part of the POINTER_PLUS_EXPR offset.
2045 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2047 Fix clearing ZERO_REG
2048 * config/avr/avr.md (cc): Add alternative "ldi".
2049 (movqi_insn): Use it in cc attribute.
2050 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2051 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2052 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2054 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2056 * configure: Regenerate.
2058 2012-01-04 Richard Guenther <rguenther@suse.de>
2060 PR tree-optimization/49651
2061 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2062 (var_can_have_subvars): Use it.
2063 (get_constraint_for_1): Only consider subfields if there can be any.
2065 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2068 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2069 to its new canonical_cselib_val and the cselib_val was in
2070 first_containing_mem chain, but the canonical_cselib_val was not,
2071 add the latter into the chain.
2072 (cselib_invalidate_mem): Compare canonical_cselib_val of
2073 addr_list chain elt with v.
2076 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2077 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2079 (output_macinfo_op): Don't ggc_strdup fd->filename.
2080 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2081 then ggc_strdup it. Don't free inc->info or cur->info.
2082 (output_macinfo): Don't free ref->info or file->info.
2084 2012-01-03 Ira Rosen <irar@il.ibm.com>
2086 PR tree-optimization/51269
2087 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2088 first_niters a pointer.
2089 (slpeel_tree_peel_loop_to_edge): Likewise.
2090 (vect_do_peeling_for_loop_bound): Update call to
2091 slpeel_tree_peel_loop_to_edge.
2092 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2093 here. Remove it from the parameters list.
2094 (vect_do_peeling_for_alignment): Update calls and compute
2097 2012-01-03 Richard Guenther <rguenther@suse.de>
2099 PR tree-optimization/51070
2100 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2101 Properly handle calls.
2103 2012-01-03 Richard Guenther <rguenther@suse.de>
2105 PR tree-optimization/51692
2106 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2107 the LHS of allocation stmts.
2109 2012-01-03 Olivier Hainque <hainque@adacore.com>
2111 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2113 2012-01-03 Olivier Hainque <hainque@adacore.com>
2115 * collect2.c (main): In AIX specific computations for vector
2116 insertions, use CONST_CAST2 to cast from char ** to const char **.
2118 2012-01-03 Richard Guenther <rguenther@suse.de>
2121 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2122 the context of a limbo DIE when it does not already exist.
2124 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2126 PR tree-optimization/51719
2127 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2128 but direct call is, clear direct call's lhs and don't add fallthrough
2129 edge from dcall_bb to join_bb and PHIs.
2131 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2133 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2134 the instructions emitted by the pattern.
2135 ("*TDC_insn_<mode>"): Add comment.
2137 2012-01-03 Richard Guenther <rguenther@suse.de>
2140 * fold-const.c (fold_comparison): Properly canonicalize
2141 tree offset and HOST_WIDE_INT bit position.
2143 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2145 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2146 operands for extzv pattern.
2148 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2151 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2154 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2156 * doc/invoke.texi (-flto and related options): Copy-edit.
2158 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2160 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2162 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2164 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2167 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2169 * expr.h (move_by_pieces_ninsns): Declare.
2170 * expr.c (move_by_pieces_ninsns): Make external.
2171 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2172 (mips_store_by_pieces_p): Likewise.
2173 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2174 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2175 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2176 (mips_store_by_pieces_p): Likewise.
2178 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2180 * passes.c (register_one_dump_file): Free full_name.
2182 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2183 (calculate_elim_costs_all_insns): Free offsets_at and
2184 offsets_known_at at the end and clear the pointers.
2186 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2188 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2189 this option introduced in r180739.
2191 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2194 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2195 (tmake_file target=avr): Add avr/t-multilib.
2197 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2198 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2199 * config/avr/genmultilib.awk: New file.
2200 * config/avr/t-multilib: New auto-generated file.
2201 * config/avr/multilib.h: New auto-generated file.
2202 * config/avr/t-avr (AVR_MCUS): New variable.
2203 (genopt.sh): Use it.
2204 (s-mlib): Depend on t-multilib.
2205 (t-multilib, multilib.h): New dependencies.
2206 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2207 (MULTILIB_OPTIONS): Remove.
2208 (MULTILIB_MATCHES): Remove.
2209 (MULTILIB_DIRNAMES): Remove.
2210 (MULTILIB_EXCEPTIONS): Remove:
2211 * config/avr/genopt.sh: Don't use hard coded file name;
2212 pass AVR_MCUS from t-avr instead.
2214 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2216 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2218 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2220 Implement light-weight DImode support.
2221 * config/avr/avr-dimode.md: New file.
2222 * config/avr/avr.md: Include it.
2223 (adjust_len): Add plus64, compare64.
2224 (HIDI): Remove code iterator.
2225 (code_stdname): New code attribute.
2226 (rotx, rotsmode): Remove DI.
2227 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2229 * config/avr/avr-protos.h (avr_have_dimode): New.
2230 (avr_out_plus64, avr_out_compare64): New.
2231 * config/avr/avr.c (avr_out_compare): Handle DImode.
2232 (avr_have_dimode): New variable definition and initialization.
2233 (avr_out_compare64, avr_out_plus64): New functions.
2234 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2235 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2236 (avr_compare_pattern): Skip DImode comparisons.
2238 2012-01-02 Revital Eres <revital.eres@linaro.org>
2240 * ddg.c (def_has_ccmode_p): New function.
2241 (add_cross_iteration_register_deps,
2242 create_ddg_dep_from_intra_loop_link): Call it.
2244 2012-01-02 Richard Guenther <rguenther@suse.de>
2247 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2249 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2251 * gcc.c (process_command): Update copyright notice dates.
2252 * gcov.c (print_version): Likewise.
2253 * gcov-dump.c (print_version): Likewise.
2254 * mips-tfile.c (main): Likewise.
2255 * mips-tdump.c (main): Likewise.
2257 2012-01-01 Ira Rosen <irar@il.ibm.com>
2259 PR tree-optimization/51704
2260 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2261 a use is inside the basic block or loop before accessing its vect info.
2263 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2265 PR rtl-optimization/51069
2266 * cfgloopmanip.c (remove_path): Removing path making irreducible
2267 region unconditional makes BB part of the region.
2269 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2271 PR tree-optimization/51683
2272 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2273 calls with side-effects.
2274 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2276 Copyright (C) 2012 Free Software Foundation, Inc.
2278 Copying and distribution of this file, with or without modification,
2279 are permitted in any medium without royalty provided the copyright
2280 notice and this notice are preserved.