1 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
4 * doc/extend.texi : Update comments for __atomic_compare_exchange and
5 __atomic_{is,always}_lock_free.
7 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
10 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
11 negative constant address for x32.
13 2012-02-10 Richard Henderson <rth@redhat.com>
15 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
16 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
17 for GIMPLE_TRANSACTION. Tidy if's into a switch.
19 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
20 Ira Rosen <irar@il.ibm.com>
22 PR tree-optimization/50031
23 * targhooks.c (default_builtin_vectorization_cost): Handle
25 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
26 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
27 all types of reduction and pattern statements.
28 (vect_estimate_min_profitable_iters): Likewise.
29 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
30 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
31 for explicit realigns.
32 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
33 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
35 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
36 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
37 vec_perm for VSX and handle vec_promote_demote.
39 2012-02-10 Jakub Jelinek <jakub@redhat.com>
42 * builtins.c (fold_builtin_atomic_always_lock_free,
43 expand_builtin_atomic_always_lock_free,
44 fold_builtin_atomic_is_lock_free,
45 expand_builtin_atomic_is_lock_free): Return and/or test
46 boolean_true_node/boolean_false_node instead of
47 integer_one_node/integer_zero_node.
49 2012-02-10 Jan Hubicka <jh@suse.cz>
52 * predict.c (predict_paths_for_bb): Prevent looping.
53 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
55 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
57 * config/arm/arm.c (output_move_double): In one case properly
58 count number of instructions that will be emitted.
60 2012-02-10 Richard Guenther <rguenther@suse.de>
63 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
65 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
68 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
70 2012-02-09 Jakub Jelinek <jakub@redhat.com>
73 * var-tracking.c (emit_note_insn_var_location): If
74 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
75 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
76 non-NOTE_DURING_CALL_P insn.
78 2012-02-09 Bin Cheng <bin.cheng@arm.com>
81 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
83 2012-02-08 Magnus Granberg <zorry@gentoo.org>
86 * gcc.c (switch_matches) Support switches with separated form, -D
89 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
91 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
94 * config/avr/avr.c (avr_addr_t): New typedef.
95 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
96 (avr_init_expanders): Initialize it.
97 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
99 (expand_epilogue): Ditto.
100 (avr_print_operand): Ditto.
101 (avr_file_start): Ditto.
102 (avr_emit_movmemhi): Ditto.
104 2012-02-08 Richard Guenther <rguenther@suse.de>
106 PR tree-optimization/46886
107 * tree-flow.h (do_while_loop_p): Declare.
108 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
109 * tree-parloops.c (parallelize_loops): Only parallelize do-while
112 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
114 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
115 always succeed for integers larger than a native word.
117 2012-02-08 Richard Guenther <rguenther@suse.de>
119 PR rtl-optimization/52170
120 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
121 properly handle integer vector modes.
123 2012-02-08 Jakub Jelinek <jakub@redhat.com>
125 PR gcov-profile/52150
126 * coverage.c: Include target.h.
127 (build_var): Call targetm.strip_name_encoding on the assembler name.
128 Change one _ into . or $ if the target allows it.
129 * Makefile.in (coverage.o): Depend on $(TARGET_H).
131 PR rtl-optimization/52139
132 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
133 is a BARRIER after emit_insn_after_noloc, move BB_END
134 to the last non-BARRIER insn before it.
136 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
139 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
140 (mips_gimplify_va_arg_expr): Call it instead of
141 std_gimplify_va_arg_expr.
143 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
145 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
146 message for -mno-pointers-to-nested-function.
148 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
151 * expr.c (get_inner_reference): If there is an offset, add a negative
152 bit position to it (if any).
154 2012-02-07 Jakub Jelinek <jakub@redhat.com>
156 PR rtl-optimization/52060
157 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
158 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
159 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
160 and/or i0src_copy2 when needed.
162 2012-02-07 Jakub Jelinek <jakub@redhat.com>
164 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
165 or LTOPLUGINSONAME if have_c.
167 * config/freebsd-spec.h: Add comment about what macros can be defined
169 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
170 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
173 2012-02-07 Richard Guenther <rguenther@suse.de>
175 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
176 newline in -alias dumps.
178 2012-02-07 Kai Tietz <ktietz@redhat.com>
179 Dave Korn <dave.korn.cygwin@gmail.com>
182 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
183 Take care that typinfo gets dllexport-attribute.
185 2012-02-07 Jakub Jelinek <jakub@redhat.com>
188 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
189 if modifier < EXPAND_SUM call force_operand on the result.
191 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
193 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
194 adding __forwarder_dst__ prefix if a forwarder_section attribute is
196 (epiphany_function_type): Replace types for specific interrupts with
197 EPIPHANY_FUNCTION_INTERRUPT.
198 (EPIPHANY_INTERRUPT_P): Update.
199 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
201 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
202 <disinterrupt>: Affects type identity.
203 (epiphany_handle_interrupt_attribute): Handle variable number of
205 (epiphany_compute_function_type): Update for new
206 epiphany_function_type definition.
207 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
208 handlers with a longcall forwarder.
209 (epiphany_start_function): Handle multiple interrupt arguments and/or
210 forwarder_section attribute.
212 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
214 2012-02-07 Alan Modra <amodra@gmail.com>
217 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
220 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
222 PR tree-optimization/50969
223 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
224 use vec_perm rather than vector_stmt.
225 (vect_model_load_cost): Likewise.
226 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
227 vec_perm to be the same as other vector statements.
228 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
229 cost of vec_perm for TARGET_VSX.
231 2012-02-06 Richard Guenther <rguenther@suse.de>
233 PR tree-optimization/52115
234 * tree-sra.c (access_has_replacements_p): New function.
235 (sra_modify_assign): Use it to decide whether a use is uninitialized.
237 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
240 * trans-mem.c (expand_call_tm): Add an assertion.
241 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
244 2012-02-06 Richard Guenther <rguenther@suse.de>
246 PR tree-optimization/50955
247 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
248 raise cost of expressions that replace an address with an
249 expression based on a different pointer.
251 2012-02-06 Jakub Jelinek <jakub@redhat.com>
254 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
255 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
257 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
260 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
261 -Weffc++ and specify guidelines come from second edition.
263 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
265 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
266 (sibcall_value_multiple_internal, call_split, call_internal_direct)
267 (call_direct_split, call_value_split, call_value_internal_direct)
268 (call_value_direct_split, call_value_multiple_split): Use jal and
269 jal_macro attributes.
271 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
273 * reload1.c (reload_regs_reach_end_p): Replace with...
274 (reload_reg_rtx_reaches_end_p): ...this function.
275 (new_spill_reg_store): Update commentary.
276 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
277 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
278 before setting new_spill_reg_store.
279 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
280 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
281 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
282 for non-spill reload registers.
284 2012-02-05 Ira Rosen <irar@il.ibm.com>
286 PR tree-optimization/52091
287 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
288 (vect_is_simple_use_1): Likewise.
289 * tree-vect-loop.c (vectorizable_reduction): Update calls
290 to vect_is_simple_use_1 and vect_is_simple_use.
291 (vectorizable_live_operation): Likewise.
292 * tree-vect-patterns.c (widened_name_p,
293 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
295 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
296 vectorizable_call, vectorizable_conversion,
297 vectorizable_assignment, vectorizable_shift,
298 vectorizable_operation, vectorizable_store, vectorizable_load):
300 (vect_is_simple_cond): Add an argument, pass it to
301 vect_is_simple_use_1.
302 (vectorizable_condition): Update calls to vect_is_simple_cond,
304 (vect_is_simple_use): Add an argument, the statement in which
305 OPERAND is used. Check that if OPERAND's def stmt is a double
306 reduction phi node, the use is a phi node too.
307 (vect_is_simple_use_1): Add an argument, pass it to
309 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
310 to vect_is_simple_use.
312 2012-02-04 Jakub Jelinek <jakub@redhat.com>
314 PR rtl-optimization/52095
315 * modulo-sched.c (dump_insn_locator): New function.
316 (loop_canon_p, sms_schedule): Use it.
318 PR rtl-optimization/52113
319 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
320 even for decomposable shift/zext insns.
322 2012-02-03 Jakub Jelinek <jakub@redhat.com>
323 Zdenek Dvorak <ook@ucw.cz>
325 PR rtl-optimization/52092
326 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
327 on get_iv_value result.
329 2012-02-02 Andrew Pinski <apinski@cavium.com>
333 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
335 2012-02-02 Jakub Jelinek <jakub@redhat.com>
338 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
340 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
342 PR rtl-optimization/49800
343 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
344 (sched_finish): Call regstat_free_n_sets_and_refs.
346 2012-02-02 Jia Liu <proljc@gmail.com>
348 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
351 2012-02-02 Jan Hubicka <jh@suse.cz>
352 Tom de Vries <tom@codesourcery.com>
355 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
356 * varpool.c (varpool_analyze_pending_decls): Likewise.
358 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
359 Jayant R Sonar <jayant.sonar@kpitcummins.com>
361 * config.gcc: Add cr16-* support.
363 * doc/extend.texi: Document cr16 extensions.
364 * doc/install.texi: Document cr16 install.
365 * doc/invoke.texi: Document cr16 options.
366 * doc/md.texi: Document cr16 constraints.
368 * common/config/cr16/cr16-common.c: New file.
369 * config/cr16/cr16.c: New file.
370 * config/cr16/cr16.h: New file.
371 * config/cr16/cr16.md: New file.
372 * config/cr16/cr16.opt: New file.
373 * config/cr16/cr16-protos.h: New file.
374 * config/cr16/predicates.md: New file.
375 * config/cr16/constraints.md: New file.
376 * config/cr16/t-cr16: New file.
378 2012-02-02 Jakub Jelinek <jakub@redhat.com>
381 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
382 that operands[2] is either immediate, or q_regs_operand.
384 PR tree-optimization/52073
385 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
386 a pattern stmt for pattern uses, ignore uses outside of the loop.
388 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
390 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
391 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
392 (OUT_AS1, OUT_AS2): Remove.
394 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
396 PR rtl-optimization/51374
397 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
398 to cross other volatile_refs_p insns.
400 2012-02-01 Richard Guenther <rguenther@suse.de>
402 * doc/invoke.texi (fno-inline): Clarify documentation.
403 (finline-small-functions): Likewise.
404 (finline-functions): Likewise.
405 * common.opt (finline): Adjust comment and documentation.
406 (finline-small-functions): Clarify documentation.
407 (finline-functions): Likewise.
408 (finline-functions-called-once): Likewise.
410 2012-02-01 Tristan Gingold <gingold@adacore.com>
412 * c-typeck.c (composite_type): Keep mode for pointers.
414 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
416 * function.h (regno_reg_rtx): Adjust comment.
417 * reginfo.c (init_reg_modes_target): Only use the previous mode
418 if it fits within one register. Remove MIPS comment.
420 2012-01-31 Jakub Jelinek <jakub@redhat.com>
423 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
425 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
427 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
430 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
432 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
435 2012-01-31 Jakub Jelinek <jakub@redhat.com>
440 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
442 2012-01-31 Richard Guenther <rguenther@suse.de>
444 PR tree-optimization/51528
445 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
448 2012-01-31 Jakub Jelinek <jakub@redhat.com>
453 * ree.c (add_removable_extension): Change def_map argument
454 to unsigned *, store in def_map 1 + offset into *insn_list vector
455 instead of pointers into the vector.
456 (find_removable_extensions): Adjust caller.
458 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
460 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
461 Transform all "* quoted-c-code" to { c-code }.
462 Remove redundant test for "optimize" in combine patterns.
463 Move (include "avr-dimode.md") to end of file.
465 2012-01-30 Bin Cheng <bin.cheng@arm.com>
468 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
469 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
471 2012-01-30 Richard Guenther <rguenther@suse.de>
473 PR tree-optimization/52028
474 * tree-loop-distribution.c (ldist_gen): Properly update
477 2012-01-30 Jakub Jelinek <jakub@redhat.com>
480 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
481 set_cur_line_info_table if not emitting debug info.
483 PR tree-optimization/52046
484 * tree-vect-patterns.c (check_bool_pattern): Give up if
485 a comparison could throw.
488 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
490 2012-01-30 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/52045
493 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
494 SSA form if cfgcleanup did anything.
496 2012-01-30 Richard Guenther <rguenther@suse.de>
498 PR tree-optimization/52045
499 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
500 before computing final todo.
502 2012-01-30 Richard Guenther <rguenther@suse.de>
504 PR tree-optimization/51528
505 * tree-sra.c (sra_modify_assign): Re-factor in preparation
508 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
510 * df-problems.c (df_kill_notes): Check that the use refers
511 to the note under examination.
513 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
516 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
517 parameter and use short-lived pseudos.
518 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
519 (sparc_expand_vector_init): Const-ify local variables and adjust
520 calls to above functions.
522 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
524 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
526 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
528 * doc/invoke.texi: Make usage of "compile time" and
529 "run time"/"runtime" consistent throughout the file.
531 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
533 * config/alpha/alpha.c (alpha_option_overrride): Default to
534 full IEEE compliance mode for Go language.
536 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
538 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
539 (LINK_SSP_SPEC): Define.
541 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
544 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
547 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
549 * doc/invoke.texi: Correct hyphenation of "floating point",
550 "double precision", and related terminology throughout the file.
552 2012-01-28 Jakub Jelinek <jakub@redhat.com>
555 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
556 arm_general_register_operand predicate for operand 2 instead of
559 2012-01-27 Ian Lance Taylor <iant@google.com>
562 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
563 * builtins.c (expand_builtin_init_trampoline): Add onstack
564 parameter. Change caller.
565 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
566 * tree.c (build_common_builtin_nodes): Declare
567 __builtin_init_heap_trampoline.
569 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
571 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
572 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
573 * config/avr/avr.c: Ditto.
574 (avr_regnames): Remove because unused.
575 * config/avr/avr.md (*cpse.ne): New peephole.
576 (*cpse.eq): New peephole from former cpse peepholes.
578 2012-01-27 Michael Eager <eager@eagercon.com>
580 * config/microblaze.c (microblaze_emit_compare): Correct
581 test after pcmp instruction.
583 2012-01-27 Richard Guenther <rguenther@suse.de>
585 PR tree-optimization/52020
586 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
588 2012-01-27 Richard Guenther <rguenther@suse.de>
590 * ipa-pure-const.c (check_stmt): Clobbers do not make a
591 function non-const/pure.
593 2012-01-27 Richard Guenther <rguenther@suse.de>
595 PR tree-optimization/50444
596 * tree-sra.c (build_ref_for_offset): Properly adjust the
597 MEM_REF type for unaligned accesses.
599 2012-01-27 Richard Guenther <rguenther@suse.de>
601 PR tree-optimization/50444
602 * expr.c (mem_ref_refers_to_non_mem_p): New function.
603 (expand_assignment): Use it. Properly handle misaligned
604 bases when expanding stores to component references.
605 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
608 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
611 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
612 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
613 * tree-data-ref.c (find_data_references_in_loop): Make static.
614 (compute_all_dependences): Change return type to bool. Bail out
615 for too many datarefs in a loop. Move the hunk resetting the data
616 dependences vector from ...
617 (compute_data_dependences_for_loop): ... here. Account for
618 compute_all_dependences returning false.
619 (compute_data_dependences_for_bb): Likewise.
620 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
621 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
623 2012-01-27 Richard Guenther <rguenther@suse.de>
626 * expr.c (store_field): Use the alias-set of the scratch memory
629 2012-01-27 Tom de Vries <tom@codesourcery.com>
631 PR tree-optimization/51990
632 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
634 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
636 2012-01-27 Jakub Jelinek <jakub@redhat.com>
639 * var-tracking.c (reverse_op): Don't add any reverse operation
640 if V already has any constant locations.
642 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
644 * doc/invoke.texi: Correct usage of "command line" (noun)
645 vs "command-line" (adjective) throughout.
647 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
649 * doc/invoke.texi (Language Independent Options): Move
650 -Wcoverage-mismatch blurb from here....
651 (Warning Options): ...to here.
653 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
655 * config/rs6000/rs6000.c (rs6000_option_override_internal):
656 Set rs6000_always_hint to false for 476.
658 2012-01-27 Matthias Klose <doko@ubuntu.com>
660 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
662 * incpath.c (add_standard_paths): Likewise.
664 2012-01-27 Richard Henderson <rth@redhat.com>
666 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
667 * config/m68k/sync.md (atomic_test_and_set): Rename from
668 sync_test_and_setqi and adjust the operands.
669 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
670 and unconditionally enable.
672 2012-01-27 Richard Henderson <rth@redhat.com>
674 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
675 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
676 (ldstub): Rename from ldstubqi.
677 (ldstub<I24MODE>): Remove.
679 2012-01-27 Richard Henderson <rth@redhat.com>
681 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
682 * c-cppbuiltin.c (cpp_atomic_builtins): Define
683 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
684 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
685 * doc/tm.texi: Rebuild.
687 2012-01-27 Richard Henderson <rth@redhat.com>
689 * optabs.c (gen_atomic_test_and_set): Remove default.
690 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
692 2012-01-26 Jakub Jelinek <jakub@redhat.com>
694 PR rtl-optimization/51978
695 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
696 (combine_reaching_defs): Likewise.
697 (struct re_info): Remove.
698 (add_removable_extension): Remove x and data arguments,
699 add insn, insn_list and def_map. Use the arguments directly
700 instead of using struct re_info.
701 (find_removable_extensions): Don't call add_removable_extension
702 through note_stores, instead just call it with single_set
704 (find_and_remove_re): Pass curr_cand->expr instead of
705 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
707 2012-01-26 Michael Matz <matz@suse.de>
709 PR tree-optimization/46590
710 * cfgexpand.c: Revert last change (r183305).
711 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
713 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
714 checking for emptiness.
716 2012-01-26 Jakub Jelinek <jakub@redhat.com>
719 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
720 non-addressable non-BLKmode base correctly.
722 2012-01-26 Michael Matz <matz@suse.de>
724 PR tree-optimization/48794
725 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
726 regions referenced from RESX/EH_DISPATCH.
728 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
730 * config/s390/s390.h: Make BRANCH_COST an option.
731 * config/s390/s390.opt: New option -mbranch-cost.
733 2012-01-26 Richard Henderson <rth@redhat.com>
735 Revert 2012-01-24 change:
736 * trans-mem.c (requires_barrier): Do not instrument thread local
737 variables and emit save/restore for them.
739 2012-01-25 Jakub Jelinek <jakub@redhat.com>
742 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
745 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
747 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
750 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
753 Rename __pgm to __flash.
754 Rename __pgm1 to __flash1.
755 Rename __pgm2 to __flash2.
756 Rename __pgm3 to __flash3.
757 Rename __pgm4 to __flash4.
758 Rename __pgm5 to __flash5.
759 Rename __pgmx to __memx.
760 * doc/extend.texi (AVR Named Address Spaces)
761 Rename address space names as indicated above.
762 * config/avr/avr.c (avr_addrspace): Ditto.
764 * config/avr/avr-protos.h
765 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
766 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
767 * config/avr/predicates.md: Ditto.
768 * config/avr/avr.c Ditto, and
769 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
770 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
772 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
773 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
774 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
775 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
776 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
777 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
778 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
779 * config/avr/avr.c: Ditto.
780 * config/avr/avr.md: Ditto.
782 2012-01-25 Jason Merrill <jason@redhat.com>
785 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
787 2012-01-25 Jakub Jelinek <jakub@redhat.com>
789 PR tree-optimization/51987
790 * tree-data-ref.c (get_references_in_stmt): Handle references in
791 non-volatile GIMPLE_ASM.
793 2012-01-25 Richard Guenther <rguenther@suse.de>
795 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
796 bases are dereferenced.
798 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
800 PR rtl-optimization/48374
801 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
803 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
805 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
806 compute_data_dependences_for_loop returns false.
807 * tree-parloops.c (loop_parallel_p): Likewise.
809 2012-01-25 Richard Guenther <rguenther@suse.de>
811 * tree.h (get_pointer_alignment_1): Declare.
812 * builtins.c (get_pointer_alignment_1): New function.
813 (get_pointer_alignment): Use it.
815 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
817 PR rtl-optimization/48308
818 * combine.c (enum undo_kind): Add UNDO_LINKS.
819 (struct undo): Add member l to other_contents and where.
820 (do_SUBST_LINK): New.
822 (try_combine): Handle LOG_LINKS for the dummy i1 case.
823 (undo_all): Handle UNDO_LINKS.
825 2012-01-25 Richard Henderson <rth@redhat.com>
827 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
830 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
832 * optabs.c (gen_atomic_test_and_set): Use each argument.
834 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
836 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
837 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
838 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
839 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
840 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
841 TARGET_PAIRED_SINGLE_FLOAT.
843 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
845 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
846 (in_struct, return_val): Remove MEM documentation.
847 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
848 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
849 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
851 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
852 * cfgexpand.c (add_alias_set_conflicts): Likewise.
853 * expr.c (store_field): Likewise.
854 * function.c (assign_stack_temp_for_type): Likewise.
855 * ifcvt.c (noce_try_cmove_arith): Likewise.
856 * reload1.c (reload): Likewise.
857 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
858 (alpha_set_memflags): Likewise.
859 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
861 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
863 * rtl.h (true_dependence, canon_true_dependence): Remove varies
865 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
866 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
867 (true_dependence_1, true_dependence, canon_true_dependence): Remove
869 * cselib.c (cselib_rtx_varies_p): Delete.
870 (cselib_invalidate_mem): Update call to canon_true_dependence.
871 * dse.c (record_store, check_mem_read_rtx): Likewise.
872 (scan_reads_nospill): Likewise.
873 * cse.c (check_dependence): Likewise.
874 (cse_rtx_varies_p): Delete.
875 * expr.c (safe_from_p): Update call to true_dependence.
876 * ira.c (validate_equiv_mem_from_store): Likewise.
877 (memref_referenced_p): Likewise.
878 * postreload-gcse.c (find_mem_conflicts): Likewise.
879 * sched-deps.c (sched_analyze_2): Likewise.
880 * store-motion.c (load_kills_store): Likewise.
881 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
882 * gcse.c (mems_conflict_for_gcse_p): Likewise.
883 (compute_transp): Update call to canon_true_dependence.
885 2012-01-25 Richard Henderson <rth@redhat.com>
887 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
888 (maybe_emit_atomic_test_and_set): New.
889 (expand_sync_lock_test_and_set): Use it.
890 (expand_atomic_test_and_set): Likewise.
891 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
892 the implementation; clarify implementation defined details.
893 * doc/md.texi (atomic_test_and_set): Document.
895 2012-01-25 Richard Henderson <rth@redhat.com>
897 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
899 2012-01-25 Richard Henderson <rth@redhat.com>
902 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
903 to effect no-op split.
905 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
908 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
909 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
910 (BT_FN_VOID_PTR_INT_SIZE): New.
911 (BT_FN_UINT_UINT_VAR): Remove.
912 (BT_FN_UINT32_UINT32_VAR): New.
913 (BT_FN_DOUBLE_VPTR): Remove.
914 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
916 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
917 (_ITM_changeTransactionMode): Same.
918 (_ITM_memmoveRtWt): Change return type to void.
919 (_ITM_memcpyRtWt): Same.
920 (_ITM_memsetW): Same.
921 (_ITM_RaRD): Change types to double.
926 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
928 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
929 Patrick Marlier <patrick.marlier@gmail.com>
931 * trans-mem.c (requires_barrier): Do not instrument thread local
932 variables and emit save/restore for them.
934 2012-01-24 Jason Merrill <jason@redhat.com>
937 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
938 output static aliases.
940 2012-01-24 Jakub Jelinek <jakub@redhat.com>
943 * common.opt (-pie, -shared, pie, shared): Change from Common to
945 * gcc.c (display_help): Display help for -pie and -shared.
947 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
950 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
951 Remove note on size/offset limitation.
952 (AVR Variable Attributes): Add example how to read data located
953 with progmem. Refer to named address spaces.
954 * doc/invoke.texi (AVR Options): Fix typo.
956 2012-01-24 Richard Guenther <rguenther@suse.de>
958 Forward-port to trunk
959 2010-09-21 Jakub Jelinek <jakub@redhat.com>
962 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
963 op0 isn't sufficiently aligned and there is movmisalignM
964 insn for mode, use it to load op0 into a temporary register.
966 2012-01-24 Jakub Jelinek <jakub@redhat.com>
969 * target.def (const_not_ok_for_debug_p): New hook.
970 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
972 * doc/tm.texi: Regenerated.
973 * dwarf2out.c (const_ok_for_output_1): If
974 targetm.const_not_ok_for_debug_p returns true, fail.
975 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
977 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
979 2012-01-23 Kai Tietz <ktietz@redhat.com>
982 * config/i386/predicates.md (symbolic_operand): Allow
983 UNSPEC_PCREL as PIC expression for lea.
984 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
985 * config/i386/i386.c (ix86_delegitimize_address): Handle
986 UNSPEC_PCREL for none-MEM, too.
988 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
990 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
991 (ipa_tm_create_version_alias): Same.
993 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
996 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
997 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
999 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1000 Patrick Marlier <patrick.marlier@gmail.com>
1001 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1004 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1005 simple_object_start_read.
1007 2012-01-23 Richard Guenther <rguenther@suse.de>
1010 PR tree-optimization/51895
1011 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1012 parameter decomposition into BLKmode components.
1014 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1016 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1017 fake variables for restrict-qualified pointers whose pointed-to type
1018 contains a placeholder.
1020 2012-01-23 Richard Guenther <rguenther@suse.de>
1022 PR tree-optimization/51949
1023 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1025 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1027 PR rtl-optimization/51933
1028 * ree.c (transform_ifelse): Return true right away if dstreg is
1029 already wider or equal to cand->mode.
1030 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1031 (make_defs_and_copies_lists): Remove defs_list and copies_list
1032 arguments, add state argument, just truncate state->work_list
1033 instead of always allocating and freeing the vector. Assert that
1034 get_defs succeeds instead of returning 2. Changed return type to bool.
1035 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1036 have ext_src_mode, see if it has been modified already with the
1037 right kind of extension and has been extended before from the
1038 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1039 just return true. Remember the original mode in state->modified array.
1040 (combine_reaching_defs): Add state argument. Don't allocate and
1041 free here def_list, copied_list and vec vectors, instead just
1042 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1043 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1044 Add state variable, clear vectors in it, initialize state.modified
1045 if needed. Free all the vectors at the end and state.modified too.
1046 Don't skip a candidate if the extension expression has been modified.
1048 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1051 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1052 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1053 (extra_options) interix.opt -> i386/interix.opt"
1054 (extra_objs):Add winnt-stubs.o
1055 * configure.ac: Add interix to target_os .comm on PE check.
1056 * configure: Regenerate.
1057 * config/interix3.h: Delete and move bits to..
1058 * config/interix.h: Delete and move bits to..
1059 * config/i386/i386-interix3.h: Delete and move bits to..
1060 * config/i386/i386-interix.h: ..here.
1061 (TARGET_CPU_DEFAULT): Remove redefinition.
1062 (TARGET_ASM_CONSTRUCTOR): Undefine.
1063 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1064 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1065 (PTRDIFF_TYPE): Define.
1066 (LONG_DOUBLE_TYPE_SIZE): Define.
1067 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1068 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1069 (TARGET_SECTION_TYPE_FLAGS): Define.
1070 (ASM_DECLARE_FUNCTION_NAME): Define.
1071 (ASM_OUTPUT_EXTERNAL): Define.
1072 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1073 (ASM_OUTPUT_ALIGNED_BSS): Define.
1074 (PCC_BITFIELD_TYPE_MATTERS): Define.
1075 (USE_CONST_SECTION): Define.
1076 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1077 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1078 (SUPPORTS_ONE_ONLY): Remove.
1079 (I386_PE_STRIP_ENCODING): Define.
1080 * config/interix.opt: Delete and move bits to..
1081 * config/i386/interix.opt: ..here. New.
1082 (mpe-aligned-commons): Add.
1083 * config/i386/t-interix: Add copyright header.
1084 (winnt-stubs.o): Add rule.
1086 2012-01-22 Jason Merrill <jason@redhat.com>
1089 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1090 for extra name aliases.
1092 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1094 PR rtl-optimization/51924
1095 * ree.c (combine_set_extension): Improve debugging message.
1096 (combine_reaching_defs): Likewise.
1097 (get_defs): Rename confusingly named variable.
1098 (find_and_remove_re): Skip a candidate if the extension expression has
1101 2012-01-21 Robert Millan <rmh@gnu.org>
1102 Gerald Pfeifer <gerald@pfeifer.com>
1104 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1105 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1107 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1109 PR tree-optimization/51914
1110 * tree-vect-stmts.c (vectorizable_conversion): For
1111 cvt_type && modifier == WIDEN, put temporary with cvt_type
1112 at the beginning of vec_dsts and set vec_dest to temporary
1115 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1117 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1119 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1121 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1122 * config/rs6000/rs6000.c: Likewise.
1124 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1127 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1128 output_move_double on a copy of operands array.
1130 2012-01-20 Cary Coutant <ccoutant@google.com>
1131 Dodji Seketeli <dodji@redhat.com>
1134 * dwarf2out.c (copy_declaration_context): Return ref to parent
1135 of declaration DIE, if necessary.
1136 (remove_child_or_replace_with_skeleton): Add new parameter; update
1137 caller. Place skeleton DIE under parent DIE of original declaration.
1138 Move call to copy_declaration_context to here ...
1139 (break_out_comdat_types): ... from here.
1141 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1143 PR rtl-optimization/51856
1144 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1147 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1150 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1151 hints for neon loads and stores.
1153 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1157 * doc/extend.texi (Named Address Spaces): Split into subsections.
1158 (AVR Named Address Spaces): New subsection.
1159 (M32C Named Address Spaces): New subsection.
1160 (RL78 Named Address Spaces): New subsection.
1161 (SPU Named Address Spaces): New subsection.
1162 (Variable Attributes): New anchor "AVR Variable Attributes".
1163 (AVR Variable Attributes): Rewrite and avoid wording
1164 "address space" in this context.
1165 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1166 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1167 (AVR Built-in Macros): New subsubsection therein.
1168 * doc/md.texi (AVR constraints): Remove "C04", "R".
1170 2012-01-20 Richard Guenther <rguenther@suse.de>
1172 PR tree-optimization/51903
1173 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1174 when removing stmts.
1176 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1179 * config/arm/arm.c (arm_load_pic_register): Use
1180 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1181 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1182 (arm_pic_static_addr): Likewise.
1183 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1184 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1185 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1186 (pic_load_addr_unified): New.
1188 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1191 * function.c (instantiate_virtual_regs_in_insn): Use
1192 delete_insn_and_edges when removing a wrong asm insn.
1194 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1196 PR rtl-optimization/40761
1197 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1198 Add new member loop_num.
1199 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1200 (ira_build): Remove the parameter.
1202 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1203 (ira.c): Do not build CFG loops for one region allocation. Remove
1204 argument from ira_build call.
1206 * ira-build.c (init_loop_tree_node): New function.
1207 (create_loop_tree_nodes): Use it. Separate the case when CFG
1208 loops are not built.
1209 (more_one_region_p): Check current_loops.
1210 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1212 (add_loop_to_tree): Process loop equal to NULL too.
1213 (form_loop_tree): Separate the case when CFG loops are not built.
1214 Use explicitly number for the root.
1215 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1217 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1218 instead of loop->num.
1219 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1220 (mark_all_loops_for_removal): Ditto.
1221 (remove_unnecessary_regions): Separate the case when CFG loops
1223 (ira_build): Remove the parameter. Use explicit number of regions
1224 when CFG loops are not built.
1226 * ira-color.c (print_loop_title): Separate the case for the root node.
1227 Use loop_num instead of loop->num.
1228 (move_spill_restore): Use loop_num instead of loop->num.
1230 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1231 (change_loop): Ditto.
1232 (change_loop): Use loop_num instead of loop->num.
1234 * ira-lives.c (process_bb_node_lives): Ditto.
1236 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1238 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1240 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1243 * tree-mudflap.c (mf_artificial): New function.
1244 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1245 mx_register_decls, mudflap_enqueue_decl): Use it.
1248 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1249 numbers in the insn pattern.
1251 2012-01-19 Michael Matz <matz@suse.de>
1253 PR tree-optimization/46590
1254 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1255 use it in remembering which conflicts we already created.
1256 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1259 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1262 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1263 (merge_and_complain): Same.
1265 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1268 * config/initfini-array.h: Guard content of the header
1269 with #ifdef HAVE_INITFINI_ARRAY.
1270 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1271 Add initfini-array.h to tm_file here.
1272 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1273 * config.gcc: Don't add initfini-array.h to tm_file here.
1274 * configure: Regenerated.
1276 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1278 PR rtl-optimization/51505
1279 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1280 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1281 (df_note_bb_compute): Update the call to df_kill_notes.
1283 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1285 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1287 2012-01-18 Richard Guenther <rguenther@suse.de>
1289 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1290 of conversions to void *.
1292 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1293 Richard Sandiford <rdsandiford@googlemail.com>
1297 * optabs.h (simplify_expand_binop): Declare.
1298 * optabs.c (simplify_expand_binop): Make global.
1299 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1300 endian targets if the source cannot be exactly covered by word
1303 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1306 * hard-reg-set.h (struct hard_reg_set_container): New type.
1307 * target.h (struct hard_reg_set_container): Forward declare.
1308 * target.def (set_up_by_prologue): New target hook.
1309 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1310 * doc/tm.texi: Regenerated.
1311 * function.c (thread_prologue_and_epilogue_insns): Change
1312 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1313 Call targetm.set_up_by_prologue on it.
1314 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1315 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1317 2012-01-17 Nick Clifton <nickc@redhat.com>
1319 * config/rx/rx.c (rx_can_use_simple_return): New function.
1320 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1321 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1323 2012-01-17 Richard Guenther <rguenther@suse.de>
1326 * expr.c (expand_assignment): Take address-space information
1327 from the address operand of MEM_REF and TARGET_MEM_REF.
1328 (expand_expr_real_1): Likewise.
1330 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1332 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1333 reload dump is requested.
1335 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1338 * trans-mem.c (requires_barrier): Call may_be_aliased.
1340 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1342 PR tree-optimization/51877
1343 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1344 call arguments and fndecls compare equal, instead return false if they
1345 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1346 both SSA_NAMEs that are valueized the same, or they satisfy
1349 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1351 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1353 * configure: Regenerate.
1355 2012-01-16 Jan Hubicka <jh@suse.cz>
1359 * convert.c (convert_to_integer): Use fold_convert for
1360 converting an INTEGER_CST to integer type.
1362 2012-01-16 Jason Merrill <jason@redhat.com>
1365 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1367 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1370 * config/s390/s390.c (s390_chunkify_start): Don't skip
1371 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1372 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1373 If insn is followed by NOTE_INSN_VAR_LOCATION or
1374 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1375 Don't use location of note insns.
1377 PR tree-optimization/51865
1378 * tree-inline.c (tree_function_versioning): Call remap_decl
1379 on DECL_RESULT whenever it has VOID_TYPE_P type.
1381 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1383 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1384 for calls to locally-binding MIPS16 functions if only the return
1385 type uses float regs.
1387 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1388 Richard Sandiford <rdsandiford@googlemail.com>
1390 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1391 (SYMBOL_32_HIGH): Likewise.
1392 (mips_output_tls_reloc_directive): Declare.
1393 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1394 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1395 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1396 (mips_lo_relocs, mips_hi_relocs): Make extern.
1397 (mips16_stub_function): Move up file.
1398 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1399 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1400 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1401 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1402 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1403 (mips_get_tp): Add MIPS16 support.
1404 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1405 Generalize DTPREL and TPREL handling.
1406 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1407 Add MIPS16 TLS support.
1408 (mips_output_tls_reloc_directive): New function.
1409 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1410 * config/mips/predicates.md (symbolic_operand_with_high)
1411 (tls_reloc_operand): New predicates.
1412 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1413 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1414 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1415 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1416 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1417 (*tls_get_tp_mips16_call_<mode>): Likewise.
1419 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1421 PR rtl-optimization/51821
1422 * recog.c (peep2_find_free_register): Determine clobbered registers
1425 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1428 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1429 * config/avr/avr.c: Likewise.
1430 * config/avr/avr.h: Likewise.
1432 2012-01-13 Ian Lance Taylor <iant@google.com>
1435 * tree.h (TYPE_QUALS): Add cast to int.
1436 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1438 2012-01-13 Ian Lance Taylor <iant@google.com>
1440 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1441 comparing param_index to VEC_length result.
1443 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1445 * c-decl.c: Do not include tree-mudflap.h
1446 * tree-optimize.c: Likewise.
1447 * Makefile.in: Update dependencies.
1449 2012-01-13 Richard Guenther <rguenther@suse.de>
1452 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1453 variable-sized result always use RSO.
1455 2012-01-12 DJ Delorie <dj@redhat.com>
1457 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1458 pointer type, not just the default pointer type.
1460 2012-01-09 Richard Henderson <rth@redhat.com>
1461 Denis Chertykov <chertykov@gmail.com>
1464 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1465 * config/avr/avr.c (avr_can_eliminate): Simplify.
1466 (avr_initial_elimination_offset): Likewise.
1467 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1468 (expand_epilogue): Likewise.
1469 (avr_legitimize_address): Gut.
1470 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1471 (avr_hard_regno_nregs): New.
1472 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1473 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1474 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1475 add soft frame pointer.
1476 (CALL_USED_REGISTERS): Likewise.
1477 (REG_CLASS_CONTENTS): Likewise.
1478 (REGISTER_NAMES): Likewise.
1479 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1480 (HARD_FRAME_POINTER_REGNUM): New.
1481 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1482 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1483 remove the HARD_FRAME_POINTER self-elimination.
1485 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1488 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1489 DECL_EXTERNAL when checking for initializers of progmem variables.
1491 2012-01-12 Ira Rosen <irar@il.ibm.com>
1493 PR tree-optimization/51799
1494 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1495 that the last operation is a type demotion.
1497 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1499 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1500 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1502 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1505 * combine.c (distribute_notes): If i3 is a noreturn call,
1506 allow old_size to be equal to args_size and make sure the
1507 noreturn call gets REG_ARGS_SIZE note.
1508 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1509 on noreturn calls even when the delta is 0.
1511 2012-01-11 Nathan Sidwell <nathan@acm.org>
1513 * gcov.c (STRING_SIZE): Remove.
1514 (generate_results): Erase annotations for source files with no
1515 coverage information.
1517 (output_lines): Use it.
1519 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1521 * gimple.h (gimplify_body): Remove first argument.
1522 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1523 pointer set here, instead just pass DATA to walk_tree.
1524 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1525 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1526 (unvisit_body): Likewise, but with unmark_visited.
1527 (gimplify_body): Remove BODY_P argument and adjust.
1528 (gimplify_function_tree): Adjust call to gimplify_body.
1529 * omp-low.c (finalize_task_copyfn): Likewise.
1531 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1533 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1534 (build_function_type_skip_args): Delete.
1535 * tree.c (build_function_type_skip_args): Make static and add
1536 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1537 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1538 pass it to build_function_type_skip_args.
1539 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1540 (tree_function_versioning): Likewise.
1541 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1542 build_function_decl_skip_args.
1543 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1544 and pass it to build_function_decl_skip_args/tree_function_versioning.
1545 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1546 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1547 * trans-mem.c (ipa_tm_create_version): Likewise.
1548 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1549 * tree-inline.c (declare_return_variable): Remove always-true test.
1550 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1551 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1552 * ipa-split.c (split_function): Skip the return value for the split
1553 part if it doesn't return.
1555 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1557 PR tree-optimization/49642
1558 * ipa-split.c (forbidden_dominators): New variable.
1559 (check_forbidden_calls): New function.
1560 (dominated_by_forbidden): Likewise.
1561 (consider_split): Check for forbidden dominators.
1562 (execute_split_functions): Initialize and free forbidden
1563 dominators info; call check_forbidden_calls.
1565 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1567 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1569 2012-01-11 Nick Clifton <nickc@redhat.com>
1571 * config/rx/rx.md (return): Define pattern.
1573 2012-01-11 Richard Guenther <rguenther@suse.de>
1575 * doc/extend.texi (malloc attribute): Adjust according to
1578 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1579 Patrick Marlier <patrick.marlier@gmail.com>
1582 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1583 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1584 (ipa_tm_note_irrevocable): Same.
1585 (ipa_tm_scan_irr_block): Same.
1586 (ipa_tm_decrement_clone_counts): Same.
1587 (ipa_tm_scan_irr_function): Same.
1588 (ipa_tm_create_version_alias): Same.
1589 (ipa_tm_create_version): Same.
1590 (ipa_tm_transform_calls_redirect): Same.
1591 (ipa_tm_transform_calls): Same.
1592 (ipa_tm_transform_transaction): Same.
1593 (ipa_tm_execute): Same.
1595 2012-01-10 Richard Guenther <rguenther@suse.de>
1598 * opts.c (common_handle_option): Handle -Werror.
1600 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1602 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1605 2012-01-10 Jason Merrill <jason@redhat.com>
1607 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1610 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1612 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1613 supports R_386_TLS_GD_PLT reloc.
1614 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1615 supports R_386_TLS_LDM_PLT reloc.
1616 * configure: Regenerate.
1617 * config.in: Regenerate.
1619 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1622 Extend __pgmx semantics to linearize memory.
1623 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1624 determine if code comes inline or from libgcc.
1625 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1626 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1627 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1628 (movmemx_qi, movmemx_hi): New insns.
1629 (xload_<mode>_libgcc): Rewrite to new insn condition.
1630 (xload_<mode>): Remove insns.
1631 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1632 cases that don't satisfy avr_xload_libgcc_p().
1633 (avr_addr_space_convert): Allow converting in any direction.
1634 (avr_addr_space_subset_p): Return always true.
1635 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1636 (avr_emit_movmemhi): Ditto.
1637 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1638 (avr_out_movmem): Ditto.
1639 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1640 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1641 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1642 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1643 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1645 2012-01-10 Richard Guenther <rguenther@suse.de>
1647 PR tree-optimization/50913
1648 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1649 Require data-refs to be representable by Graphite with respect
1652 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1654 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1655 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1657 2012-01-10 Tom de Vries <tom@codesourcery.com>
1659 PR rtl-optimization/51271
1660 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1661 handling annulled branch.
1663 2012-01-10 Richard Henderson <rth@redhat.com>
1665 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1666 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1667 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1668 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1669 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1670 arm_expand_vec_perm_const): New.
1671 * config/arm/arm-protos.h: Update.
1672 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1673 (*neon_vswp<VDQX>): New.
1674 (neon_vcombine<VDX>): Use neon_split_vcombine.
1675 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1676 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1677 (vec_perm<VE>): New.
1679 2012-01-10 Richard Henderson <rth@redhat.com>
1681 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1682 use it if reload_completed.
1683 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1684 arm_output_asm_insn, arm_process_output_memory_barrier,
1685 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1686 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1687 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1688 arm_process_output_sync_insn, arm_output_sync_insn,
1689 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1690 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1691 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1692 (emit_unlikely_jump): New.
1693 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1694 (arm_split_atomic_op): New.
1695 * config/arm/arm-protos.h: Update.
1696 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1697 (struct arm_sync_generator): Remove.
1698 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1699 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1700 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1701 (VUNSPEC_LL, VUNSPEC_SC): New.
1702 (sync_result, sync_memory, sync_required_value, sync_new_value,
1703 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1704 (attr length): Don't use arm_sync_loop_insns.
1705 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1706 (movsfcc, movdfcc): Likewise.
1707 * config/arm/constraints.md (Ua): New.
1708 * config/arm/prediates.md (mem_noofs_operand): New.
1709 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1710 (sync_clobber, sync_t2_reqd): Remove.
1711 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1712 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1713 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1714 (arm_sync_compare_and_swap<SIDI>): Remove.
1715 (arm_sync_compare_and_swap<NARROW>): Remove.
1716 (arm_sync_lock_test_and_set<SIDI>): Remove.
1717 (arm_sync_lock_test_and_set<NARROW>): Remove.
1718 (arm_sync_new_<syncop><SIDI>): Remove.
1719 (arm_sync_new_<syncop><NARROW>): Remove.
1720 (arm_sync_new_nand<SIDI>): Remove.
1721 (arm_sync_new_nand<NARROW>): Remove.
1722 (arm_sync_old_<syncop><SIDI>): Remove.
1723 (arm_sync_old_<syncop><NARROW>): Remove.
1724 (arm_sync_old_nand<SIDI>): Remove.
1725 (arm_sync_old_nand<NARROW>): Remove.
1726 (*memory_barrier): Merge arm_output_memory_barrier.
1727 (atomic_compare_and_swap<QHSD>): New.
1728 (atomic_compare_and_swap<NARROW>_1): New.
1729 (atomic_compare_and_swap<SIDI>_1): New.
1730 (atomic_exchange<QHSD>): New.
1731 (cas_cmp_operand, cas_cmp_str): New.
1732 (atomic_op_operand, atomic_op_str): New.
1733 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1734 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1735 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1736 (arm_load_exclusive<NARROW>): New.
1737 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1738 (arm_store_exclusive<QHSD>): New.
1740 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1742 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1743 reload patterns if -mvsx-scalar-memory.
1745 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1746 generated, even -mno-vsx-scalar-double was used.
1747 (vsx_xscvdpsp_scalar): Likewise.
1748 (vsx_xscvspdp_scalar2): Likewise.
1750 2012-01-09 Tom de Vries <tom@codesourcery.com>
1751 Andrew Pinski <apinski@cavium.com>
1754 * reorg.c (fill_slots_from_thread): Don't speculate
1755 frame-related insns.
1757 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1759 * sched-int.h (bb_note): Move to...
1760 * basic-block.h: ...here.
1761 * haifa-sched.c (bb_note): Move to...
1762 * cfgrtl.c: ...here.
1763 * function.c (next_block_for_reg): New function.
1764 (move_insn_for_shrink_wrap): Likewise.
1765 (prepare_shrink_wrap): Rewrite to use the above.
1767 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1769 * gimple.c (is_gimple_non_addressable): Remove.
1770 * gimple.h: Remove is_gimple_non_addressable.
1771 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1772 is_gimple_non_addressable.
1773 * trans-mem.c (expand_assign_tm): Same.
1775 2012-01-09 Richard Guenther <rguenther@suse.de>
1777 PR tree-optimization/51775
1778 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1779 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1781 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1783 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1785 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1787 2012-01-09 Richard Guenther <rguenther@suse.de>
1789 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1791 2012-01-08 Jan Hubicka <jh@suse.cz>
1793 PR tree-optimize/51680
1794 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1795 on when known_vals needs to be computed; cleanup.
1797 2012-01-08 Jan Hubicka <jh@suse.cz>
1799 PR tree-optimize/51694
1800 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1802 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1804 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1805 for -std=c++98 and -std=c++11 too.
1807 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1809 * cfgloop.c (cancel_loop): Add free() of bbs array.
1811 2012-01-07 Jan Hubicka <jh@suse.cz>
1813 PR tree-optimization/51600
1814 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1815 that benefits small functions.
1817 2012-01-07 Jan Hubicka <jh@suse.cz>
1819 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1821 2012-01-07 Jan Hubicka <jh@suse.cz>
1823 PR tree-optimization/51680
1824 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1825 whose inlining reduce unit size.
1827 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1830 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1831 Add canonical node to containing_mem chain after the non-canonical
1832 one, even if there weren't any locs to propagate.
1833 (remove_useless_values): Keep only canonical values.
1834 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1835 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1836 canonicalize mem_chain elements that are not discarded.
1838 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1841 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1842 before emitting functions.
1844 PR gcov-profile/50127
1845 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1846 clear_aux_for_blocks.
1848 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1851 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1853 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1855 * c-decl.c (ext_block): Moved up.
1856 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1858 2012-01-06 Han Shen <shenhan@google.com>
1860 Translate built-in include paths for sysroot.
1861 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1862 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1864 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1865 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1867 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1868 control whether sysroot should be prepended to gxx include dir.
1870 * configure: Regenerate.
1872 2012-01-06 Torvald Riegel <triegel@redhat.com>
1874 PR rtl-optimization/51771
1875 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1876 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1878 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1880 PR tree-optimization/51315
1881 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1882 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1884 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1887 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1888 for shrp pattern. Correctly handle and fixup shift variable.
1889 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1891 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1894 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1895 note when !ACCUMULATE_OUTGOING_ARGS.
1897 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1899 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1901 (extract_range_from_unary_expr_1): Avoid useless computations.
1903 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1905 PR rtl-optimization/51767
1906 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1907 of jump_block and add an extra edge for degenerated asm gotos.
1910 * stmt.c (check_unique_operand_names): Don't ICE during error
1911 reporting if i is from labels chain.
1914 * profile.c (branch_prob): Split bbs that have exit edge
1915 and need a fake entry edge too.
1917 2012-01-05 Jan Hubicka <jh@suse.cz>
1920 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1923 2012-01-05 Richard Guenther <rguenther@suse.de>
1926 * tree-streamer-out.c (write_ts_optimization): New function.
1927 (streamer_write_tree_body): Call it.
1928 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1929 (streamer_read_tree_body): Call it.
1930 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1932 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1935 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1936 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1937 in_cleanup_point_expr before gimplify_stmt call and restore it
1939 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1940 in_cleanup_point_expr is false.
1942 2012-01-05 Richard Guenther <rguenther@suse.de>
1945 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1947 * toplev.c (process_options): Reject combining mudflap and LTO.
1948 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1950 2012-01-05 Richard Guenther <rguenther@suse.de>
1952 PR tree-optimization/51760
1953 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1955 (bit_value_unop): Handle UNDEFINED operands.
1956 (bit_value_binop): Likewise.
1958 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1960 * config/avr/avr.c (avr_replace_prefix): Remove.
1961 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1962 (avr_asm_function_rodata_section): Ditto.
1963 (avr_asm_select_section): Ditto.
1965 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1967 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1970 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1973 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1974 calls that have any non-fake successor edges.
1977 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1979 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1981 PR tree-optimization/51624
1982 * tree-sra.c (build_ref_for_model): When replicating a chain of
1983 COMPONENT_REFs, stop as soon as the offset would become negative.
1985 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1988 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1989 in .debug_loc on the floor.
1991 2012-01-04 Andrew Pinski <apinski@cavium.com>
1993 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1995 2012-01-04 Andrew Pinski <apinski@cavium.com>
1996 Adam Nemet <anemet@caviumnetworks.com>
1998 * config/mips/mips.md (size): Add SI and DI.
1999 (SIZE): New mode attribute.
2000 (U): New code attribute.
2001 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2002 (mips_lbux_<mode>): Delete.
2003 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2004 (mips_lhx): Use gen_mips_lhx_extsi.
2005 (mips_lhx_<mode>): Delete.
2007 (mips_l<size>x): New expand.
2008 (mips_lwx_<mode>): Delete.
2009 (mips_l<GPR:size>x_<P:mode>): New pattern.
2010 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2011 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2012 * config/mips/mips.c (mips_lx_address_p): New function.
2013 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2014 (dsp64): New availability predicate.
2015 (mips_builtins): Add an entry for __builtin_mips_ldx.
2016 * config/mips/mips.h (ISA_HAS_LBX): New define.
2017 (ISA_HAS_LBUX): Likewise.
2018 (ISA_HAS_LHX): Likewise.
2019 (ISA_HAS_LHUX): Likewise.
2020 (ISA_HAS_LWX): Likewise.
2021 (ISA_HAS_LWUX): Likewise.
2022 (ISA_HAS_LDX): Likewise.
2023 * doc/extend.texi (__builtin_mips_ldx): Document.
2025 2012-01-04 Tristan Gingold <gingold@adacore.com>
2027 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2028 when long pointers are used.
2029 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2030 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2031 (ia64-hp-*vms*): Remove.
2032 * config/vms/xm-vms64.h: Delete.
2034 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2037 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2039 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2041 * opts.c (finish_options): Remove duplicate sorry.
2043 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2046 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2049 2012-01-04 Richard Guenther <rguenther@suse.de>
2052 * tree.c (size_low_cst): New function.
2053 * tree.h (size_low_cst): Declare.
2054 * fold-const.c (fold_comparison): Use it to extract the low
2055 part of the POINTER_PLUS_EXPR offset.
2057 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2059 Fix clearing ZERO_REG
2060 * config/avr/avr.md (cc): Add alternative "ldi".
2061 (movqi_insn): Use it in cc attribute.
2062 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2063 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2064 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2066 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2068 * configure: Regenerate.
2070 2012-01-04 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/49651
2073 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2074 (var_can_have_subvars): Use it.
2075 (get_constraint_for_1): Only consider subfields if there can be any.
2077 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2080 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2081 to its new canonical_cselib_val and the cselib_val was in
2082 first_containing_mem chain, but the canonical_cselib_val was not,
2083 add the latter into the chain.
2084 (cselib_invalidate_mem): Compare canonical_cselib_val of
2085 addr_list chain elt with v.
2088 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2089 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2091 (output_macinfo_op): Don't ggc_strdup fd->filename.
2092 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2093 then ggc_strdup it. Don't free inc->info or cur->info.
2094 (output_macinfo): Don't free ref->info or file->info.
2096 2012-01-03 Ira Rosen <irar@il.ibm.com>
2098 PR tree-optimization/51269
2099 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2100 first_niters a pointer.
2101 (slpeel_tree_peel_loop_to_edge): Likewise.
2102 (vect_do_peeling_for_loop_bound): Update call to
2103 slpeel_tree_peel_loop_to_edge.
2104 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2105 here. Remove it from the parameters list.
2106 (vect_do_peeling_for_alignment): Update calls and compute
2109 2012-01-03 Richard Guenther <rguenther@suse.de>
2111 PR tree-optimization/51070
2112 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2113 Properly handle calls.
2115 2012-01-03 Richard Guenther <rguenther@suse.de>
2117 PR tree-optimization/51692
2118 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2119 the LHS of allocation stmts.
2121 2012-01-03 Olivier Hainque <hainque@adacore.com>
2123 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2125 2012-01-03 Olivier Hainque <hainque@adacore.com>
2127 * collect2.c (main): In AIX specific computations for vector
2128 insertions, use CONST_CAST2 to cast from char ** to const char **.
2130 2012-01-03 Richard Guenther <rguenther@suse.de>
2133 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2134 the context of a limbo DIE when it does not already exist.
2136 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2138 PR tree-optimization/51719
2139 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2140 but direct call is, clear direct call's lhs and don't add fallthrough
2141 edge from dcall_bb to join_bb and PHIs.
2143 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2145 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2146 the instructions emitted by the pattern.
2147 ("*TDC_insn_<mode>"): Add comment.
2149 2012-01-03 Richard Guenther <rguenther@suse.de>
2152 * fold-const.c (fold_comparison): Properly canonicalize
2153 tree offset and HOST_WIDE_INT bit position.
2155 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2157 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2158 operands for extzv pattern.
2160 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2163 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2166 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2168 * doc/invoke.texi (-flto and related options): Copy-edit.
2170 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2172 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2174 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2176 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2179 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2181 * expr.h (move_by_pieces_ninsns): Declare.
2182 * expr.c (move_by_pieces_ninsns): Make external.
2183 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2184 (mips_store_by_pieces_p): Likewise.
2185 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2186 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2187 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2188 (mips_store_by_pieces_p): Likewise.
2190 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2192 * passes.c (register_one_dump_file): Free full_name.
2194 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2195 (calculate_elim_costs_all_insns): Free offsets_at and
2196 offsets_known_at at the end and clear the pointers.
2198 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2200 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2201 this option introduced in r180739.
2203 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2206 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2207 (tmake_file target=avr): Add avr/t-multilib.
2209 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2210 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2211 * config/avr/genmultilib.awk: New file.
2212 * config/avr/t-multilib: New auto-generated file.
2213 * config/avr/multilib.h: New auto-generated file.
2214 * config/avr/t-avr (AVR_MCUS): New variable.
2215 (genopt.sh): Use it.
2216 (s-mlib): Depend on t-multilib.
2217 (t-multilib, multilib.h): New dependencies.
2218 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2219 (MULTILIB_OPTIONS): Remove.
2220 (MULTILIB_MATCHES): Remove.
2221 (MULTILIB_DIRNAMES): Remove.
2222 (MULTILIB_EXCEPTIONS): Remove:
2223 * config/avr/genopt.sh: Don't use hard coded file name;
2224 pass AVR_MCUS from t-avr instead.
2226 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2228 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2230 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2232 Implement light-weight DImode support.
2233 * config/avr/avr-dimode.md: New file.
2234 * config/avr/avr.md: Include it.
2235 (adjust_len): Add plus64, compare64.
2236 (HIDI): Remove code iterator.
2237 (code_stdname): New code attribute.
2238 (rotx, rotsmode): Remove DI.
2239 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2241 * config/avr/avr-protos.h (avr_have_dimode): New.
2242 (avr_out_plus64, avr_out_compare64): New.
2243 * config/avr/avr.c (avr_out_compare): Handle DImode.
2244 (avr_have_dimode): New variable definition and initialization.
2245 (avr_out_compare64, avr_out_plus64): New functions.
2246 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2247 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2248 (avr_compare_pattern): Skip DImode comparisons.
2250 2012-01-02 Revital Eres <revital.eres@linaro.org>
2252 * ddg.c (def_has_ccmode_p): New function.
2253 (add_cross_iteration_register_deps,
2254 create_ddg_dep_from_intra_loop_link): Call it.
2256 2012-01-02 Richard Guenther <rguenther@suse.de>
2259 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2261 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2263 * gcc.c (process_command): Update copyright notice dates.
2264 * gcov.c (print_version): Likewise.
2265 * gcov-dump.c (print_version): Likewise.
2266 * mips-tfile.c (main): Likewise.
2267 * mips-tdump.c (main): Likewise.
2269 2012-01-01 Ira Rosen <irar@il.ibm.com>
2271 PR tree-optimization/51704
2272 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2273 a use is inside the basic block or loop before accessing its vect info.
2275 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2277 PR rtl-optimization/51069
2278 * cfgloopmanip.c (remove_path): Removing path making irreducible
2279 region unconditional makes BB part of the region.
2281 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2283 PR tree-optimization/51683
2284 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2285 calls with side-effects.
2286 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2288 Copyright (C) 2012 Free Software Foundation, Inc.
2290 Copying and distribution of this file, with or without modification,
2291 are permitted in any medium without royalty provided the copyright
2292 notice and this notice are preserved.
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