1 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
4 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
5 negative constant address for x32.
7 2012-02-10 Richard Henderson <rth@redhat.com>
9 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
10 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
11 for GIMPLE_TRANSACTION. Tidy if's into a switch.
13 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
14 Ira Rosen <irar@il.ibm.com>
16 PR tree-optimization/50031
17 * targhooks.c (default_builtin_vectorization_cost): Handle
19 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
20 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
21 all types of reduction and pattern statements.
22 (vect_estimate_min_profitable_iters): Likewise.
23 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
24 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
25 for explicit realigns.
26 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
27 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
29 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
30 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
31 vec_perm for VSX and handle vec_promote_demote.
33 2012-02-10 Jakub Jelinek <jakub@redhat.com>
36 * builtins.c (fold_builtin_atomic_always_lock_free,
37 expand_builtin_atomic_always_lock_free,
38 fold_builtin_atomic_is_lock_free,
39 expand_builtin_atomic_is_lock_free): Return and/or test
40 boolean_true_node/boolean_false_node instead of
41 integer_one_node/integer_zero_node.
43 2012-02-10 Jan Hubicka <jh@suse.cz>
46 * predict.c (predict_paths_for_bb): Prevent looping.
47 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
49 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
51 * config/arm/arm.c (output_move_double): In one case properly
52 count number of instructions that will be emitted.
54 2012-02-10 Richard Guenther <rguenther@suse.de>
57 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
59 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
62 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
64 2012-02-09 Jakub Jelinek <jakub@redhat.com>
67 * var-tracking.c (emit_note_insn_var_location): If
68 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
69 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
70 non-NOTE_DURING_CALL_P insn.
72 2012-02-09 Bin Cheng <bin.cheng@arm.com>
75 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
77 2012-02-08 Magnus Granberg <zorry@gentoo.org>
80 * gcc.c (switch_matches) Support switches with separated form, -D
83 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
85 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
88 * config/avr/avr.c (avr_addr_t): New typedef.
89 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
90 (avr_init_expanders): Initialize it.
91 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
93 (expand_epilogue): Ditto.
94 (avr_print_operand): Ditto.
95 (avr_file_start): Ditto.
96 (avr_emit_movmemhi): Ditto.
98 2012-02-08 Richard Guenther <rguenther@suse.de>
100 PR tree-optimization/46886
101 * tree-flow.h (do_while_loop_p): Declare.
102 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
103 * tree-parloops.c (parallelize_loops): Only parallelize do-while
106 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
108 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
109 always succeed for integers larger than a native word.
111 2012-02-08 Richard Guenther <rguenther@suse.de>
113 PR rtl-optimization/52170
114 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
115 properly handle integer vector modes.
117 2012-02-08 Jakub Jelinek <jakub@redhat.com>
119 PR gcov-profile/52150
120 * coverage.c: Include target.h.
121 (build_var): Call targetm.strip_name_encoding on the assembler name.
122 Change one _ into . or $ if the target allows it.
123 * Makefile.in (coverage.o): Depend on $(TARGET_H).
125 PR rtl-optimization/52139
126 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
127 is a BARRIER after emit_insn_after_noloc, move BB_END
128 to the last non-BARRIER insn before it.
130 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
133 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
134 (mips_gimplify_va_arg_expr): Call it instead of
135 std_gimplify_va_arg_expr.
137 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
139 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
140 message for -mno-pointers-to-nested-function.
142 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
145 * expr.c (get_inner_reference): If there is an offset, add a negative
146 bit position to it (if any).
148 2012-02-07 Jakub Jelinek <jakub@redhat.com>
150 PR rtl-optimization/52060
151 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
152 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
153 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
154 and/or i0src_copy2 when needed.
156 2012-02-07 Jakub Jelinek <jakub@redhat.com>
158 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
159 or LTOPLUGINSONAME if have_c.
161 * config/freebsd-spec.h: Add comment about what macros can be defined
163 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
164 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
167 2012-02-07 Richard Guenther <rguenther@suse.de>
169 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
170 newline in -alias dumps.
172 2012-02-07 Kai Tietz <ktietz@redhat.com>
173 Dave Korn <dave.korn.cygwin@gmail.com>
176 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
177 Take care that typinfo gets dllexport-attribute.
179 2012-02-07 Jakub Jelinek <jakub@redhat.com>
182 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
183 if modifier < EXPAND_SUM call force_operand on the result.
185 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
187 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
188 adding __forwarder_dst__ prefix if a forwarder_section attribute is
190 (epiphany_function_type): Replace types for specific interrupts with
191 EPIPHANY_FUNCTION_INTERRUPT.
192 (EPIPHANY_INTERRUPT_P): Update.
193 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
195 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
196 <disinterrupt>: Affects type identity.
197 (epiphany_handle_interrupt_attribute): Handle variable number of
199 (epiphany_compute_function_type): Update for new
200 epiphany_function_type definition.
201 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
202 handlers with a longcall forwarder.
203 (epiphany_start_function): Handle multiple interrupt arguments and/or
204 forwarder_section attribute.
206 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
208 2012-02-07 Alan Modra <amodra@gmail.com>
211 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
214 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
216 PR tree-optimization/50969
217 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
218 use vec_perm rather than vector_stmt.
219 (vect_model_load_cost): Likewise.
220 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
221 vec_perm to be the same as other vector statements.
222 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
223 cost of vec_perm for TARGET_VSX.
225 2012-02-06 Richard Guenther <rguenther@suse.de>
227 PR tree-optimization/52115
228 * tree-sra.c (access_has_replacements_p): New function.
229 (sra_modify_assign): Use it to decide whether a use is uninitialized.
231 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
234 * trans-mem.c (expand_call_tm): Add an assertion.
235 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
238 2012-02-06 Richard Guenther <rguenther@suse.de>
240 PR tree-optimization/50955
241 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
242 raise cost of expressions that replace an address with an
243 expression based on a different pointer.
245 2012-02-06 Jakub Jelinek <jakub@redhat.com>
248 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
249 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
251 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
254 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
255 -Weffc++ and specify guidelines come from second edition.
257 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
259 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
260 (sibcall_value_multiple_internal, call_split, call_internal_direct)
261 (call_direct_split, call_value_split, call_value_internal_direct)
262 (call_value_direct_split, call_value_multiple_split): Use jal and
263 jal_macro attributes.
265 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
267 * reload1.c (reload_regs_reach_end_p): Replace with...
268 (reload_reg_rtx_reaches_end_p): ...this function.
269 (new_spill_reg_store): Update commentary.
270 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
271 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
272 before setting new_spill_reg_store.
273 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
274 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
275 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
276 for non-spill reload registers.
278 2012-02-05 Ira Rosen <irar@il.ibm.com>
280 PR tree-optimization/52091
281 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
282 (vect_is_simple_use_1): Likewise.
283 * tree-vect-loop.c (vectorizable_reduction): Update calls
284 to vect_is_simple_use_1 and vect_is_simple_use.
285 (vectorizable_live_operation): Likewise.
286 * tree-vect-patterns.c (widened_name_p,
287 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
289 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
290 vectorizable_call, vectorizable_conversion,
291 vectorizable_assignment, vectorizable_shift,
292 vectorizable_operation, vectorizable_store, vectorizable_load):
294 (vect_is_simple_cond): Add an argument, pass it to
295 vect_is_simple_use_1.
296 (vectorizable_condition): Update calls to vect_is_simple_cond,
298 (vect_is_simple_use): Add an argument, the statement in which
299 OPERAND is used. Check that if OPERAND's def stmt is a double
300 reduction phi node, the use is a phi node too.
301 (vect_is_simple_use_1): Add an argument, pass it to
303 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
304 to vect_is_simple_use.
306 2012-02-04 Jakub Jelinek <jakub@redhat.com>
308 PR rtl-optimization/52095
309 * modulo-sched.c (dump_insn_locator): New function.
310 (loop_canon_p, sms_schedule): Use it.
312 PR rtl-optimization/52113
313 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
314 even for decomposable shift/zext insns.
316 2012-02-03 Jakub Jelinek <jakub@redhat.com>
317 Zdenek Dvorak <ook@ucw.cz>
319 PR rtl-optimization/52092
320 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
321 on get_iv_value result.
323 2012-02-02 Andrew Pinski <apinski@cavium.com>
327 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
329 2012-02-02 Jakub Jelinek <jakub@redhat.com>
332 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
334 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
336 PR rtl-optimization/49800
337 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
338 (sched_finish): Call regstat_free_n_sets_and_refs.
340 2012-02-02 Jia Liu <proljc@gmail.com>
342 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
345 2012-02-02 Jan Hubicka <jh@suse.cz>
346 Tom de Vries <tom@codesourcery.com>
349 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
350 * varpool.c (varpool_analyze_pending_decls): Likewise.
352 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
353 Jayant R Sonar <jayant.sonar@kpitcummins.com>
355 * config.gcc: Add cr16-* support.
357 * doc/extend.texi: Document cr16 extensions.
358 * doc/install.texi: Document cr16 install.
359 * doc/invoke.texi: Document cr16 options.
360 * doc/md.texi: Document cr16 constraints.
362 * common/config/cr16/cr16-common.c: New file.
363 * config/cr16/cr16.c: New file.
364 * config/cr16/cr16.h: New file.
365 * config/cr16/cr16.md: New file.
366 * config/cr16/cr16.opt: New file.
367 * config/cr16/cr16-protos.h: New file.
368 * config/cr16/predicates.md: New file.
369 * config/cr16/constraints.md: New file.
370 * config/cr16/t-cr16: New file.
372 2012-02-02 Jakub Jelinek <jakub@redhat.com>
375 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
376 that operands[2] is either immediate, or q_regs_operand.
378 PR tree-optimization/52073
379 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
380 a pattern stmt for pattern uses, ignore uses outside of the loop.
382 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
384 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
385 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
386 (OUT_AS1, OUT_AS2): Remove.
388 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
390 PR rtl-optimization/51374
391 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
392 to cross other volatile_refs_p insns.
394 2012-02-01 Richard Guenther <rguenther@suse.de>
396 * doc/invoke.texi (fno-inline): Clarify documentation.
397 (finline-small-functions): Likewise.
398 (finline-functions): Likewise.
399 * common.opt (finline): Adjust comment and documentation.
400 (finline-small-functions): Clarify documentation.
401 (finline-functions): Likewise.
402 (finline-functions-called-once): Likewise.
404 2012-02-01 Tristan Gingold <gingold@adacore.com>
406 * c-typeck.c (composite_type): Keep mode for pointers.
408 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
410 * function.h (regno_reg_rtx): Adjust comment.
411 * reginfo.c (init_reg_modes_target): Only use the previous mode
412 if it fits within one register. Remove MIPS comment.
414 2012-01-31 Jakub Jelinek <jakub@redhat.com>
417 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
419 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
421 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
424 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
426 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
429 2012-01-31 Jakub Jelinek <jakub@redhat.com>
434 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
436 2012-01-31 Richard Guenther <rguenther@suse.de>
438 PR tree-optimization/51528
439 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
442 2012-01-31 Jakub Jelinek <jakub@redhat.com>
447 * ree.c (add_removable_extension): Change def_map argument
448 to unsigned *, store in def_map 1 + offset into *insn_list vector
449 instead of pointers into the vector.
450 (find_removable_extensions): Adjust caller.
452 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
454 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
455 Transform all "* quoted-c-code" to { c-code }.
456 Remove redundant test for "optimize" in combine patterns.
457 Move (include "avr-dimode.md") to end of file.
459 2012-01-30 Bin Cheng <bin.cheng@arm.com>
462 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
463 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
465 2012-01-30 Richard Guenther <rguenther@suse.de>
467 PR tree-optimization/52028
468 * tree-loop-distribution.c (ldist_gen): Properly update
471 2012-01-30 Jakub Jelinek <jakub@redhat.com>
474 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
475 set_cur_line_info_table if not emitting debug info.
477 PR tree-optimization/52046
478 * tree-vect-patterns.c (check_bool_pattern): Give up if
479 a comparison could throw.
482 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
484 2012-01-30 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/52045
487 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
488 SSA form if cfgcleanup did anything.
490 2012-01-30 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/52045
493 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
494 before computing final todo.
496 2012-01-30 Richard Guenther <rguenther@suse.de>
498 PR tree-optimization/51528
499 * tree-sra.c (sra_modify_assign): Re-factor in preparation
502 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
504 * df-problems.c (df_kill_notes): Check that the use refers
505 to the note under examination.
507 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
510 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
511 parameter and use short-lived pseudos.
512 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
513 (sparc_expand_vector_init): Const-ify local variables and adjust
514 calls to above functions.
516 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
518 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
520 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
522 * doc/invoke.texi: Make usage of "compile time" and
523 "run time"/"runtime" consistent throughout the file.
525 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
527 * config/alpha/alpha.c (alpha_option_overrride): Default to
528 full IEEE compliance mode for Go language.
530 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
532 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
533 (LINK_SSP_SPEC): Define.
535 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
538 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
541 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
543 * doc/invoke.texi: Correct hyphenation of "floating point",
544 "double precision", and related terminology throughout the file.
546 2012-01-28 Jakub Jelinek <jakub@redhat.com>
549 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
550 arm_general_register_operand predicate for operand 2 instead of
553 2012-01-27 Ian Lance Taylor <iant@google.com>
556 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
557 * builtins.c (expand_builtin_init_trampoline): Add onstack
558 parameter. Change caller.
559 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
560 * tree.c (build_common_builtin_nodes): Declare
561 __builtin_init_heap_trampoline.
563 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
565 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
566 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
567 * config/avr/avr.c: Ditto.
568 (avr_regnames): Remove because unused.
569 * config/avr/avr.md (*cpse.ne): New peephole.
570 (*cpse.eq): New peephole from former cpse peepholes.
572 2012-01-27 Michael Eager <eager@eagercon.com>
574 * config/microblaze.c (microblaze_emit_compare): Correct
575 test after pcmp instruction.
577 2012-01-27 Richard Guenther <rguenther@suse.de>
579 PR tree-optimization/52020
580 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
582 2012-01-27 Richard Guenther <rguenther@suse.de>
584 * ipa-pure-const.c (check_stmt): Clobbers do not make a
585 function non-const/pure.
587 2012-01-27 Richard Guenther <rguenther@suse.de>
589 PR tree-optimization/50444
590 * tree-sra.c (build_ref_for_offset): Properly adjust the
591 MEM_REF type for unaligned accesses.
593 2012-01-27 Richard Guenther <rguenther@suse.de>
595 PR tree-optimization/50444
596 * expr.c (mem_ref_refers_to_non_mem_p): New function.
597 (expand_assignment): Use it. Properly handle misaligned
598 bases when expanding stores to component references.
599 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
602 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
605 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
606 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
607 * tree-data-ref.c (find_data_references_in_loop): Make static.
608 (compute_all_dependences): Change return type to bool. Bail out
609 for too many datarefs in a loop. Move the hunk resetting the data
610 dependences vector from ...
611 (compute_data_dependences_for_loop): ... here. Account for
612 compute_all_dependences returning false.
613 (compute_data_dependences_for_bb): Likewise.
614 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
615 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
617 2012-01-27 Richard Guenther <rguenther@suse.de>
620 * expr.c (store_field): Use the alias-set of the scratch memory
623 2012-01-27 Tom de Vries <tom@codesourcery.com>
625 PR tree-optimization/51990
626 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
628 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
630 2012-01-27 Jakub Jelinek <jakub@redhat.com>
633 * var-tracking.c (reverse_op): Don't add any reverse operation
634 if V already has any constant locations.
636 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
638 * doc/invoke.texi: Correct usage of "command line" (noun)
639 vs "command-line" (adjective) throughout.
641 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
643 * doc/invoke.texi (Language Independent Options): Move
644 -Wcoverage-mismatch blurb from here....
645 (Warning Options): ...to here.
647 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
649 * config/rs6000/rs6000.c (rs6000_option_override_internal):
650 Set rs6000_always_hint to false for 476.
652 2012-01-27 Matthias Klose <doko@ubuntu.com>
654 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
656 * incpath.c (add_standard_paths): Likewise.
658 2012-01-27 Richard Henderson <rth@redhat.com>
660 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
661 * config/m68k/sync.md (atomic_test_and_set): Rename from
662 sync_test_and_setqi and adjust the operands.
663 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
664 and unconditionally enable.
666 2012-01-27 Richard Henderson <rth@redhat.com>
668 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
669 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
670 (ldstub): Rename from ldstubqi.
671 (ldstub<I24MODE>): Remove.
673 2012-01-27 Richard Henderson <rth@redhat.com>
675 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
676 * c-cppbuiltin.c (cpp_atomic_builtins): Define
677 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
678 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
679 * doc/tm.texi: Rebuild.
681 2012-01-27 Richard Henderson <rth@redhat.com>
683 * optabs.c (gen_atomic_test_and_set): Remove default.
684 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
686 2012-01-26 Jakub Jelinek <jakub@redhat.com>
688 PR rtl-optimization/51978
689 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
690 (combine_reaching_defs): Likewise.
691 (struct re_info): Remove.
692 (add_removable_extension): Remove x and data arguments,
693 add insn, insn_list and def_map. Use the arguments directly
694 instead of using struct re_info.
695 (find_removable_extensions): Don't call add_removable_extension
696 through note_stores, instead just call it with single_set
698 (find_and_remove_re): Pass curr_cand->expr instead of
699 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
701 2012-01-26 Michael Matz <matz@suse.de>
703 PR tree-optimization/46590
704 * cfgexpand.c: Revert last change (r183305).
705 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
707 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
708 checking for emptiness.
710 2012-01-26 Jakub Jelinek <jakub@redhat.com>
713 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
714 non-addressable non-BLKmode base correctly.
716 2012-01-26 Michael Matz <matz@suse.de>
718 PR tree-optimization/48794
719 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
720 regions referenced from RESX/EH_DISPATCH.
722 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
724 * config/s390/s390.h: Make BRANCH_COST an option.
725 * config/s390/s390.opt: New option -mbranch-cost.
727 2012-01-26 Richard Henderson <rth@redhat.com>
729 Revert 2012-01-24 change:
730 * trans-mem.c (requires_barrier): Do not instrument thread local
731 variables and emit save/restore for them.
733 2012-01-25 Jakub Jelinek <jakub@redhat.com>
736 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
739 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
741 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
744 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
747 Rename __pgm to __flash.
748 Rename __pgm1 to __flash1.
749 Rename __pgm2 to __flash2.
750 Rename __pgm3 to __flash3.
751 Rename __pgm4 to __flash4.
752 Rename __pgm5 to __flash5.
753 Rename __pgmx to __memx.
754 * doc/extend.texi (AVR Named Address Spaces)
755 Rename address space names as indicated above.
756 * config/avr/avr.c (avr_addrspace): Ditto.
758 * config/avr/avr-protos.h
759 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
760 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
761 * config/avr/predicates.md: Ditto.
762 * config/avr/avr.c Ditto, and
763 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
764 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
766 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
767 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
768 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
769 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
770 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
771 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
772 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
773 * config/avr/avr.c: Ditto.
774 * config/avr/avr.md: Ditto.
776 2012-01-25 Jason Merrill <jason@redhat.com>
779 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
781 2012-01-25 Jakub Jelinek <jakub@redhat.com>
783 PR tree-optimization/51987
784 * tree-data-ref.c (get_references_in_stmt): Handle references in
785 non-volatile GIMPLE_ASM.
787 2012-01-25 Richard Guenther <rguenther@suse.de>
789 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
790 bases are dereferenced.
792 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
794 PR rtl-optimization/48374
795 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
797 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
799 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
800 compute_data_dependences_for_loop returns false.
801 * tree-parloops.c (loop_parallel_p): Likewise.
803 2012-01-25 Richard Guenther <rguenther@suse.de>
805 * tree.h (get_pointer_alignment_1): Declare.
806 * builtins.c (get_pointer_alignment_1): New function.
807 (get_pointer_alignment): Use it.
809 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
811 PR rtl-optimization/48308
812 * combine.c (enum undo_kind): Add UNDO_LINKS.
813 (struct undo): Add member l to other_contents and where.
814 (do_SUBST_LINK): New.
816 (try_combine): Handle LOG_LINKS for the dummy i1 case.
817 (undo_all): Handle UNDO_LINKS.
819 2012-01-25 Richard Henderson <rth@redhat.com>
821 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
824 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
826 * optabs.c (gen_atomic_test_and_set): Use each argument.
828 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
830 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
831 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
832 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
833 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
834 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
835 TARGET_PAIRED_SINGLE_FLOAT.
837 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
839 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
840 (in_struct, return_val): Remove MEM documentation.
841 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
842 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
843 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
845 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
846 * cfgexpand.c (add_alias_set_conflicts): Likewise.
847 * expr.c (store_field): Likewise.
848 * function.c (assign_stack_temp_for_type): Likewise.
849 * ifcvt.c (noce_try_cmove_arith): Likewise.
850 * reload1.c (reload): Likewise.
851 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
852 (alpha_set_memflags): Likewise.
853 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
855 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
857 * rtl.h (true_dependence, canon_true_dependence): Remove varies
859 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
860 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
861 (true_dependence_1, true_dependence, canon_true_dependence): Remove
863 * cselib.c (cselib_rtx_varies_p): Delete.
864 (cselib_invalidate_mem): Update call to canon_true_dependence.
865 * dse.c (record_store, check_mem_read_rtx): Likewise.
866 (scan_reads_nospill): Likewise.
867 * cse.c (check_dependence): Likewise.
868 (cse_rtx_varies_p): Delete.
869 * expr.c (safe_from_p): Update call to true_dependence.
870 * ira.c (validate_equiv_mem_from_store): Likewise.
871 (memref_referenced_p): Likewise.
872 * postreload-gcse.c (find_mem_conflicts): Likewise.
873 * sched-deps.c (sched_analyze_2): Likewise.
874 * store-motion.c (load_kills_store): Likewise.
875 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
876 * gcse.c (mems_conflict_for_gcse_p): Likewise.
877 (compute_transp): Update call to canon_true_dependence.
879 2012-01-25 Richard Henderson <rth@redhat.com>
881 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
882 (maybe_emit_atomic_test_and_set): New.
883 (expand_sync_lock_test_and_set): Use it.
884 (expand_atomic_test_and_set): Likewise.
885 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
886 the implementation; clarify implementation defined details.
887 * doc/md.texi (atomic_test_and_set): Document.
889 2012-01-25 Richard Henderson <rth@redhat.com>
891 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
893 2012-01-25 Richard Henderson <rth@redhat.com>
896 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
897 to effect no-op split.
899 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
902 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
903 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
904 (BT_FN_VOID_PTR_INT_SIZE): New.
905 (BT_FN_UINT_UINT_VAR): Remove.
906 (BT_FN_UINT32_UINT32_VAR): New.
907 (BT_FN_DOUBLE_VPTR): Remove.
908 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
910 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
911 (_ITM_changeTransactionMode): Same.
912 (_ITM_memmoveRtWt): Change return type to void.
913 (_ITM_memcpyRtWt): Same.
914 (_ITM_memsetW): Same.
915 (_ITM_RaRD): Change types to double.
920 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
922 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
923 Patrick Marlier <patrick.marlier@gmail.com>
925 * trans-mem.c (requires_barrier): Do not instrument thread local
926 variables and emit save/restore for them.
928 2012-01-24 Jason Merrill <jason@redhat.com>
931 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
932 output static aliases.
934 2012-01-24 Jakub Jelinek <jakub@redhat.com>
937 * common.opt (-pie, -shared, pie, shared): Change from Common to
939 * gcc.c (display_help): Display help for -pie and -shared.
941 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
944 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
945 Remove note on size/offset limitation.
946 (AVR Variable Attributes): Add example how to read data located
947 with progmem. Refer to named address spaces.
948 * doc/invoke.texi (AVR Options): Fix typo.
950 2012-01-24 Richard Guenther <rguenther@suse.de>
952 Forward-port to trunk
953 2010-09-21 Jakub Jelinek <jakub@redhat.com>
956 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
957 op0 isn't sufficiently aligned and there is movmisalignM
958 insn for mode, use it to load op0 into a temporary register.
960 2012-01-24 Jakub Jelinek <jakub@redhat.com>
963 * target.def (const_not_ok_for_debug_p): New hook.
964 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
966 * doc/tm.texi: Regenerated.
967 * dwarf2out.c (const_ok_for_output_1): If
968 targetm.const_not_ok_for_debug_p returns true, fail.
969 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
971 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
973 2012-01-23 Kai Tietz <ktietz@redhat.com>
976 * config/i386/predicates.md (symbolic_operand): Allow
977 UNSPEC_PCREL as PIC expression for lea.
978 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
979 * config/i386/i386.c (ix86_delegitimize_address): Handle
980 UNSPEC_PCREL for none-MEM, too.
982 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
984 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
985 (ipa_tm_create_version_alias): Same.
987 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
990 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
991 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
993 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
994 Patrick Marlier <patrick.marlier@gmail.com>
995 Iain Sandoe <developer@sandoe-acoustics.co.uk>
998 * lto-wrapper.c (run_gcc): Pass the LTO section name to
999 simple_object_start_read.
1001 2012-01-23 Richard Guenther <rguenther@suse.de>
1004 PR tree-optimization/51895
1005 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1006 parameter decomposition into BLKmode components.
1008 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1010 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1011 fake variables for restrict-qualified pointers whose pointed-to type
1012 contains a placeholder.
1014 2012-01-23 Richard Guenther <rguenther@suse.de>
1016 PR tree-optimization/51949
1017 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1019 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1021 PR rtl-optimization/51933
1022 * ree.c (transform_ifelse): Return true right away if dstreg is
1023 already wider or equal to cand->mode.
1024 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1025 (make_defs_and_copies_lists): Remove defs_list and copies_list
1026 arguments, add state argument, just truncate state->work_list
1027 instead of always allocating and freeing the vector. Assert that
1028 get_defs succeeds instead of returning 2. Changed return type to bool.
1029 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1030 have ext_src_mode, see if it has been modified already with the
1031 right kind of extension and has been extended before from the
1032 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1033 just return true. Remember the original mode in state->modified array.
1034 (combine_reaching_defs): Add state argument. Don't allocate and
1035 free here def_list, copied_list and vec vectors, instead just
1036 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1037 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1038 Add state variable, clear vectors in it, initialize state.modified
1039 if needed. Free all the vectors at the end and state.modified too.
1040 Don't skip a candidate if the extension expression has been modified.
1042 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1045 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1046 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1047 (extra_options) interix.opt -> i386/interix.opt"
1048 (extra_objs):Add winnt-stubs.o
1049 * configure.ac: Add interix to target_os .comm on PE check.
1050 * configure: Regenerate.
1051 * config/interix3.h: Delete and move bits to..
1052 * config/interix.h: Delete and move bits to..
1053 * config/i386/i386-interix3.h: Delete and move bits to..
1054 * config/i386/i386-interix.h: ..here.
1055 (TARGET_CPU_DEFAULT): Remove redefinition.
1056 (TARGET_ASM_CONSTRUCTOR): Undefine.
1057 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1058 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1059 (PTRDIFF_TYPE): Define.
1060 (LONG_DOUBLE_TYPE_SIZE): Define.
1061 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1062 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1063 (TARGET_SECTION_TYPE_FLAGS): Define.
1064 (ASM_DECLARE_FUNCTION_NAME): Define.
1065 (ASM_OUTPUT_EXTERNAL): Define.
1066 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1067 (ASM_OUTPUT_ALIGNED_BSS): Define.
1068 (PCC_BITFIELD_TYPE_MATTERS): Define.
1069 (USE_CONST_SECTION): Define.
1070 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1071 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1072 (SUPPORTS_ONE_ONLY): Remove.
1073 (I386_PE_STRIP_ENCODING): Define.
1074 * config/interix.opt: Delete and move bits to..
1075 * config/i386/interix.opt: ..here. New.
1076 (mpe-aligned-commons): Add.
1077 * config/i386/t-interix: Add copyright header.
1078 (winnt-stubs.o): Add rule.
1080 2012-01-22 Jason Merrill <jason@redhat.com>
1083 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1084 for extra name aliases.
1086 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1088 PR rtl-optimization/51924
1089 * ree.c (combine_set_extension): Improve debugging message.
1090 (combine_reaching_defs): Likewise.
1091 (get_defs): Rename confusingly named variable.
1092 (find_and_remove_re): Skip a candidate if the extension expression has
1095 2012-01-21 Robert Millan <rmh@gnu.org>
1096 Gerald Pfeifer <gerald@pfeifer.com>
1098 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1099 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1101 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1103 PR tree-optimization/51914
1104 * tree-vect-stmts.c (vectorizable_conversion): For
1105 cvt_type && modifier == WIDEN, put temporary with cvt_type
1106 at the beginning of vec_dsts and set vec_dest to temporary
1109 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1111 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1113 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1115 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1116 * config/rs6000/rs6000.c: Likewise.
1118 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1121 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1122 output_move_double on a copy of operands array.
1124 2012-01-20 Cary Coutant <ccoutant@google.com>
1125 Dodji Seketeli <dodji@redhat.com>
1128 * dwarf2out.c (copy_declaration_context): Return ref to parent
1129 of declaration DIE, if necessary.
1130 (remove_child_or_replace_with_skeleton): Add new parameter; update
1131 caller. Place skeleton DIE under parent DIE of original declaration.
1132 Move call to copy_declaration_context to here ...
1133 (break_out_comdat_types): ... from here.
1135 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1137 PR rtl-optimization/51856
1138 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1141 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1144 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1145 hints for neon loads and stores.
1147 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1151 * doc/extend.texi (Named Address Spaces): Split into subsections.
1152 (AVR Named Address Spaces): New subsection.
1153 (M32C Named Address Spaces): New subsection.
1154 (RL78 Named Address Spaces): New subsection.
1155 (SPU Named Address Spaces): New subsection.
1156 (Variable Attributes): New anchor "AVR Variable Attributes".
1157 (AVR Variable Attributes): Rewrite and avoid wording
1158 "address space" in this context.
1159 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1160 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1161 (AVR Built-in Macros): New subsubsection therein.
1162 * doc/md.texi (AVR constraints): Remove "C04", "R".
1164 2012-01-20 Richard Guenther <rguenther@suse.de>
1166 PR tree-optimization/51903
1167 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1168 when removing stmts.
1170 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1173 * config/arm/arm.c (arm_load_pic_register): Use
1174 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1175 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1176 (arm_pic_static_addr): Likewise.
1177 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1178 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1179 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1180 (pic_load_addr_unified): New.
1182 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1185 * function.c (instantiate_virtual_regs_in_insn): Use
1186 delete_insn_and_edges when removing a wrong asm insn.
1188 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1190 PR rtl-optimization/40761
1191 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1192 Add new member loop_num.
1193 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1194 (ira_build): Remove the parameter.
1196 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1197 (ira.c): Do not build CFG loops for one region allocation. Remove
1198 argument from ira_build call.
1200 * ira-build.c (init_loop_tree_node): New function.
1201 (create_loop_tree_nodes): Use it. Separate the case when CFG
1202 loops are not built.
1203 (more_one_region_p): Check current_loops.
1204 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1206 (add_loop_to_tree): Process loop equal to NULL too.
1207 (form_loop_tree): Separate the case when CFG loops are not built.
1208 Use explicitly number for the root.
1209 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1211 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1212 instead of loop->num.
1213 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1214 (mark_all_loops_for_removal): Ditto.
1215 (remove_unnecessary_regions): Separate the case when CFG loops
1217 (ira_build): Remove the parameter. Use explicit number of regions
1218 when CFG loops are not built.
1220 * ira-color.c (print_loop_title): Separate the case for the root node.
1221 Use loop_num instead of loop->num.
1222 (move_spill_restore): Use loop_num instead of loop->num.
1224 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1225 (change_loop): Ditto.
1226 (change_loop): Use loop_num instead of loop->num.
1228 * ira-lives.c (process_bb_node_lives): Ditto.
1230 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1232 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1234 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1237 * tree-mudflap.c (mf_artificial): New function.
1238 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1239 mx_register_decls, mudflap_enqueue_decl): Use it.
1242 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1243 numbers in the insn pattern.
1245 2012-01-19 Michael Matz <matz@suse.de>
1247 PR tree-optimization/46590
1248 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1249 use it in remembering which conflicts we already created.
1250 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1253 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1256 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1257 (merge_and_complain): Same.
1259 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1262 * config/initfini-array.h: Guard content of the header
1263 with #ifdef HAVE_INITFINI_ARRAY.
1264 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1265 Add initfini-array.h to tm_file here.
1266 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1267 * config.gcc: Don't add initfini-array.h to tm_file here.
1268 * configure: Regenerated.
1270 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1272 PR rtl-optimization/51505
1273 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1274 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1275 (df_note_bb_compute): Update the call to df_kill_notes.
1277 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1279 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1281 2012-01-18 Richard Guenther <rguenther@suse.de>
1283 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1284 of conversions to void *.
1286 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1287 Richard Sandiford <rdsandiford@googlemail.com>
1291 * optabs.h (simplify_expand_binop): Declare.
1292 * optabs.c (simplify_expand_binop): Make global.
1293 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1294 endian targets if the source cannot be exactly covered by word
1297 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1300 * hard-reg-set.h (struct hard_reg_set_container): New type.
1301 * target.h (struct hard_reg_set_container): Forward declare.
1302 * target.def (set_up_by_prologue): New target hook.
1303 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1304 * doc/tm.texi: Regenerated.
1305 * function.c (thread_prologue_and_epilogue_insns): Change
1306 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1307 Call targetm.set_up_by_prologue on it.
1308 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1309 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1311 2012-01-17 Nick Clifton <nickc@redhat.com>
1313 * config/rx/rx.c (rx_can_use_simple_return): New function.
1314 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1315 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1317 2012-01-17 Richard Guenther <rguenther@suse.de>
1320 * expr.c (expand_assignment): Take address-space information
1321 from the address operand of MEM_REF and TARGET_MEM_REF.
1322 (expand_expr_real_1): Likewise.
1324 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1326 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1327 reload dump is requested.
1329 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1332 * trans-mem.c (requires_barrier): Call may_be_aliased.
1334 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1336 PR tree-optimization/51877
1337 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1338 call arguments and fndecls compare equal, instead return false if they
1339 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1340 both SSA_NAMEs that are valueized the same, or they satisfy
1343 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1345 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1347 * configure: Regenerate.
1349 2012-01-16 Jan Hubicka <jh@suse.cz>
1353 * convert.c (convert_to_integer): Use fold_convert for
1354 converting an INTEGER_CST to integer type.
1356 2012-01-16 Jason Merrill <jason@redhat.com>
1359 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1361 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1364 * config/s390/s390.c (s390_chunkify_start): Don't skip
1365 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1366 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1367 If insn is followed by NOTE_INSN_VAR_LOCATION or
1368 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1369 Don't use location of note insns.
1371 PR tree-optimization/51865
1372 * tree-inline.c (tree_function_versioning): Call remap_decl
1373 on DECL_RESULT whenever it has VOID_TYPE_P type.
1375 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1377 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1378 for calls to locally-binding MIPS16 functions if only the return
1379 type uses float regs.
1381 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1382 Richard Sandiford <rdsandiford@googlemail.com>
1384 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1385 (SYMBOL_32_HIGH): Likewise.
1386 (mips_output_tls_reloc_directive): Declare.
1387 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1388 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1389 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1390 (mips_lo_relocs, mips_hi_relocs): Make extern.
1391 (mips16_stub_function): Move up file.
1392 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1393 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1394 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1395 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1396 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1397 (mips_get_tp): Add MIPS16 support.
1398 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1399 Generalize DTPREL and TPREL handling.
1400 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1401 Add MIPS16 TLS support.
1402 (mips_output_tls_reloc_directive): New function.
1403 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1404 * config/mips/predicates.md (symbolic_operand_with_high)
1405 (tls_reloc_operand): New predicates.
1406 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1407 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1408 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1409 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1410 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1411 (*tls_get_tp_mips16_call_<mode>): Likewise.
1413 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1415 PR rtl-optimization/51821
1416 * recog.c (peep2_find_free_register): Determine clobbered registers
1419 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1422 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1423 * config/avr/avr.c: Likewise.
1424 * config/avr/avr.h: Likewise.
1426 2012-01-13 Ian Lance Taylor <iant@google.com>
1429 * tree.h (TYPE_QUALS): Add cast to int.
1430 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1432 2012-01-13 Ian Lance Taylor <iant@google.com>
1434 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1435 comparing param_index to VEC_length result.
1437 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1439 * c-decl.c: Do not include tree-mudflap.h
1440 * tree-optimize.c: Likewise.
1441 * Makefile.in: Update dependencies.
1443 2012-01-13 Richard Guenther <rguenther@suse.de>
1446 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1447 variable-sized result always use RSO.
1449 2012-01-12 DJ Delorie <dj@redhat.com>
1451 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1452 pointer type, not just the default pointer type.
1454 2012-01-09 Richard Henderson <rth@redhat.com>
1455 Denis Chertykov <chertykov@gmail.com>
1458 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1459 * config/avr/avr.c (avr_can_eliminate): Simplify.
1460 (avr_initial_elimination_offset): Likewise.
1461 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1462 (expand_epilogue): Likewise.
1463 (avr_legitimize_address): Gut.
1464 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1465 (avr_hard_regno_nregs): New.
1466 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1467 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1468 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1469 add soft frame pointer.
1470 (CALL_USED_REGISTERS): Likewise.
1471 (REG_CLASS_CONTENTS): Likewise.
1472 (REGISTER_NAMES): Likewise.
1473 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1474 (HARD_FRAME_POINTER_REGNUM): New.
1475 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1476 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1477 remove the HARD_FRAME_POINTER self-elimination.
1479 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1482 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1483 DECL_EXTERNAL when checking for initializers of progmem variables.
1485 2012-01-12 Ira Rosen <irar@il.ibm.com>
1487 PR tree-optimization/51799
1488 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1489 that the last operation is a type demotion.
1491 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1493 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1494 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1496 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1499 * combine.c (distribute_notes): If i3 is a noreturn call,
1500 allow old_size to be equal to args_size and make sure the
1501 noreturn call gets REG_ARGS_SIZE note.
1502 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1503 on noreturn calls even when the delta is 0.
1505 2012-01-11 Nathan Sidwell <nathan@acm.org>
1507 * gcov.c (STRING_SIZE): Remove.
1508 (generate_results): Erase annotations for source files with no
1509 coverage information.
1511 (output_lines): Use it.
1513 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1515 * gimple.h (gimplify_body): Remove first argument.
1516 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1517 pointer set here, instead just pass DATA to walk_tree.
1518 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1519 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1520 (unvisit_body): Likewise, but with unmark_visited.
1521 (gimplify_body): Remove BODY_P argument and adjust.
1522 (gimplify_function_tree): Adjust call to gimplify_body.
1523 * omp-low.c (finalize_task_copyfn): Likewise.
1525 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1527 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1528 (build_function_type_skip_args): Delete.
1529 * tree.c (build_function_type_skip_args): Make static and add
1530 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1531 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1532 pass it to build_function_type_skip_args.
1533 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1534 (tree_function_versioning): Likewise.
1535 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1536 build_function_decl_skip_args.
1537 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1538 and pass it to build_function_decl_skip_args/tree_function_versioning.
1539 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1540 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1541 * trans-mem.c (ipa_tm_create_version): Likewise.
1542 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1543 * tree-inline.c (declare_return_variable): Remove always-true test.
1544 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1545 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1546 * ipa-split.c (split_function): Skip the return value for the split
1547 part if it doesn't return.
1549 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1551 PR tree-optimization/49642
1552 * ipa-split.c (forbidden_dominators): New variable.
1553 (check_forbidden_calls): New function.
1554 (dominated_by_forbidden): Likewise.
1555 (consider_split): Check for forbidden dominators.
1556 (execute_split_functions): Initialize and free forbidden
1557 dominators info; call check_forbidden_calls.
1559 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1561 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1563 2012-01-11 Nick Clifton <nickc@redhat.com>
1565 * config/rx/rx.md (return): Define pattern.
1567 2012-01-11 Richard Guenther <rguenther@suse.de>
1569 * doc/extend.texi (malloc attribute): Adjust according to
1572 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1573 Patrick Marlier <patrick.marlier@gmail.com>
1576 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1577 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1578 (ipa_tm_note_irrevocable): Same.
1579 (ipa_tm_scan_irr_block): Same.
1580 (ipa_tm_decrement_clone_counts): Same.
1581 (ipa_tm_scan_irr_function): Same.
1582 (ipa_tm_create_version_alias): Same.
1583 (ipa_tm_create_version): Same.
1584 (ipa_tm_transform_calls_redirect): Same.
1585 (ipa_tm_transform_calls): Same.
1586 (ipa_tm_transform_transaction): Same.
1587 (ipa_tm_execute): Same.
1589 2012-01-10 Richard Guenther <rguenther@suse.de>
1592 * opts.c (common_handle_option): Handle -Werror.
1594 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1596 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1599 2012-01-10 Jason Merrill <jason@redhat.com>
1601 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1604 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1606 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1607 supports R_386_TLS_GD_PLT reloc.
1608 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1609 supports R_386_TLS_LDM_PLT reloc.
1610 * configure: Regenerate.
1611 * config.in: Regenerate.
1613 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1616 Extend __pgmx semantics to linearize memory.
1617 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1618 determine if code comes inline or from libgcc.
1619 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1620 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1621 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1622 (movmemx_qi, movmemx_hi): New insns.
1623 (xload_<mode>_libgcc): Rewrite to new insn condition.
1624 (xload_<mode>): Remove insns.
1625 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1626 cases that don't satisfy avr_xload_libgcc_p().
1627 (avr_addr_space_convert): Allow converting in any direction.
1628 (avr_addr_space_subset_p): Return always true.
1629 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1630 (avr_emit_movmemhi): Ditto.
1631 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1632 (avr_out_movmem): Ditto.
1633 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1634 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1635 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1636 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1637 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1639 2012-01-10 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/50913
1642 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1643 Require data-refs to be representable by Graphite with respect
1646 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1648 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1649 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1651 2012-01-10 Tom de Vries <tom@codesourcery.com>
1653 PR rtl-optimization/51271
1654 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1655 handling annulled branch.
1657 2012-01-10 Richard Henderson <rth@redhat.com>
1659 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1660 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1661 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1662 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1663 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1664 arm_expand_vec_perm_const): New.
1665 * config/arm/arm-protos.h: Update.
1666 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1667 (*neon_vswp<VDQX>): New.
1668 (neon_vcombine<VDX>): Use neon_split_vcombine.
1669 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1670 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1671 (vec_perm<VE>): New.
1673 2012-01-10 Richard Henderson <rth@redhat.com>
1675 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1676 use it if reload_completed.
1677 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1678 arm_output_asm_insn, arm_process_output_memory_barrier,
1679 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1680 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1681 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1682 arm_process_output_sync_insn, arm_output_sync_insn,
1683 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1684 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1685 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1686 (emit_unlikely_jump): New.
1687 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1688 (arm_split_atomic_op): New.
1689 * config/arm/arm-protos.h: Update.
1690 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1691 (struct arm_sync_generator): Remove.
1692 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1693 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1694 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1695 (VUNSPEC_LL, VUNSPEC_SC): New.
1696 (sync_result, sync_memory, sync_required_value, sync_new_value,
1697 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1698 (attr length): Don't use arm_sync_loop_insns.
1699 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1700 (movsfcc, movdfcc): Likewise.
1701 * config/arm/constraints.md (Ua): New.
1702 * config/arm/prediates.md (mem_noofs_operand): New.
1703 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1704 (sync_clobber, sync_t2_reqd): Remove.
1705 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1706 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1707 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1708 (arm_sync_compare_and_swap<SIDI>): Remove.
1709 (arm_sync_compare_and_swap<NARROW>): Remove.
1710 (arm_sync_lock_test_and_set<SIDI>): Remove.
1711 (arm_sync_lock_test_and_set<NARROW>): Remove.
1712 (arm_sync_new_<syncop><SIDI>): Remove.
1713 (arm_sync_new_<syncop><NARROW>): Remove.
1714 (arm_sync_new_nand<SIDI>): Remove.
1715 (arm_sync_new_nand<NARROW>): Remove.
1716 (arm_sync_old_<syncop><SIDI>): Remove.
1717 (arm_sync_old_<syncop><NARROW>): Remove.
1718 (arm_sync_old_nand<SIDI>): Remove.
1719 (arm_sync_old_nand<NARROW>): Remove.
1720 (*memory_barrier): Merge arm_output_memory_barrier.
1721 (atomic_compare_and_swap<QHSD>): New.
1722 (atomic_compare_and_swap<NARROW>_1): New.
1723 (atomic_compare_and_swap<SIDI>_1): New.
1724 (atomic_exchange<QHSD>): New.
1725 (cas_cmp_operand, cas_cmp_str): New.
1726 (atomic_op_operand, atomic_op_str): New.
1727 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1728 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1729 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1730 (arm_load_exclusive<NARROW>): New.
1731 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1732 (arm_store_exclusive<QHSD>): New.
1734 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1736 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1737 reload patterns if -mvsx-scalar-memory.
1739 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1740 generated, even -mno-vsx-scalar-double was used.
1741 (vsx_xscvdpsp_scalar): Likewise.
1742 (vsx_xscvspdp_scalar2): Likewise.
1744 2012-01-09 Tom de Vries <tom@codesourcery.com>
1745 Andrew Pinski <apinski@cavium.com>
1748 * reorg.c (fill_slots_from_thread): Don't speculate
1749 frame-related insns.
1751 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1753 * sched-int.h (bb_note): Move to...
1754 * basic-block.h: ...here.
1755 * haifa-sched.c (bb_note): Move to...
1756 * cfgrtl.c: ...here.
1757 * function.c (next_block_for_reg): New function.
1758 (move_insn_for_shrink_wrap): Likewise.
1759 (prepare_shrink_wrap): Rewrite to use the above.
1761 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1763 * gimple.c (is_gimple_non_addressable): Remove.
1764 * gimple.h: Remove is_gimple_non_addressable.
1765 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1766 is_gimple_non_addressable.
1767 * trans-mem.c (expand_assign_tm): Same.
1769 2012-01-09 Richard Guenther <rguenther@suse.de>
1771 PR tree-optimization/51775
1772 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1773 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1775 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1777 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1779 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1781 2012-01-09 Richard Guenther <rguenther@suse.de>
1783 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1785 2012-01-08 Jan Hubicka <jh@suse.cz>
1787 PR tree-optimize/51680
1788 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1789 on when known_vals needs to be computed; cleanup.
1791 2012-01-08 Jan Hubicka <jh@suse.cz>
1793 PR tree-optimize/51694
1794 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1796 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1798 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1799 for -std=c++98 and -std=c++11 too.
1801 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1803 * cfgloop.c (cancel_loop): Add free() of bbs array.
1805 2012-01-07 Jan Hubicka <jh@suse.cz>
1807 PR tree-optimization/51600
1808 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1809 that benefits small functions.
1811 2012-01-07 Jan Hubicka <jh@suse.cz>
1813 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1815 2012-01-07 Jan Hubicka <jh@suse.cz>
1817 PR tree-optimization/51680
1818 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1819 whose inlining reduce unit size.
1821 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1824 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1825 Add canonical node to containing_mem chain after the non-canonical
1826 one, even if there weren't any locs to propagate.
1827 (remove_useless_values): Keep only canonical values.
1828 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1829 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1830 canonicalize mem_chain elements that are not discarded.
1832 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1835 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1836 before emitting functions.
1838 PR gcov-profile/50127
1839 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1840 clear_aux_for_blocks.
1842 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1845 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1847 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1849 * c-decl.c (ext_block): Moved up.
1850 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1852 2012-01-06 Han Shen <shenhan@google.com>
1854 Translate built-in include paths for sysroot.
1855 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1856 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1858 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1859 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1861 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1862 control whether sysroot should be prepended to gxx include dir.
1864 * configure: Regenerate.
1866 2012-01-06 Torvald Riegel <triegel@redhat.com>
1868 PR rtl-optimization/51771
1869 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1870 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1872 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1874 PR tree-optimization/51315
1875 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1876 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1878 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1881 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1882 for shrp pattern. Correctly handle and fixup shift variable.
1883 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1885 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1888 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1889 note when !ACCUMULATE_OUTGOING_ARGS.
1891 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1893 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1895 (extract_range_from_unary_expr_1): Avoid useless computations.
1897 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1899 PR rtl-optimization/51767
1900 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1901 of jump_block and add an extra edge for degenerated asm gotos.
1904 * stmt.c (check_unique_operand_names): Don't ICE during error
1905 reporting if i is from labels chain.
1908 * profile.c (branch_prob): Split bbs that have exit edge
1909 and need a fake entry edge too.
1911 2012-01-05 Jan Hubicka <jh@suse.cz>
1914 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1917 2012-01-05 Richard Guenther <rguenther@suse.de>
1920 * tree-streamer-out.c (write_ts_optimization): New function.
1921 (streamer_write_tree_body): Call it.
1922 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1923 (streamer_read_tree_body): Call it.
1924 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1926 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1929 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1930 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1931 in_cleanup_point_expr before gimplify_stmt call and restore it
1933 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1934 in_cleanup_point_expr is false.
1936 2012-01-05 Richard Guenther <rguenther@suse.de>
1939 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1941 * toplev.c (process_options): Reject combining mudflap and LTO.
1942 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1944 2012-01-05 Richard Guenther <rguenther@suse.de>
1946 PR tree-optimization/51760
1947 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1949 (bit_value_unop): Handle UNDEFINED operands.
1950 (bit_value_binop): Likewise.
1952 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1954 * config/avr/avr.c (avr_replace_prefix): Remove.
1955 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1956 (avr_asm_function_rodata_section): Ditto.
1957 (avr_asm_select_section): Ditto.
1959 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1961 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1964 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1967 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1968 calls that have any non-fake successor edges.
1971 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1973 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1975 PR tree-optimization/51624
1976 * tree-sra.c (build_ref_for_model): When replicating a chain of
1977 COMPONENT_REFs, stop as soon as the offset would become negative.
1979 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1982 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1983 in .debug_loc on the floor.
1985 2012-01-04 Andrew Pinski <apinski@cavium.com>
1987 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1989 2012-01-04 Andrew Pinski <apinski@cavium.com>
1990 Adam Nemet <anemet@caviumnetworks.com>
1992 * config/mips/mips.md (size): Add SI and DI.
1993 (SIZE): New mode attribute.
1994 (U): New code attribute.
1995 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1996 (mips_lbux_<mode>): Delete.
1997 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1998 (mips_lhx): Use gen_mips_lhx_extsi.
1999 (mips_lhx_<mode>): Delete.
2001 (mips_l<size>x): New expand.
2002 (mips_lwx_<mode>): Delete.
2003 (mips_l<GPR:size>x_<P:mode>): New pattern.
2004 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2005 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2006 * config/mips/mips.c (mips_lx_address_p): New function.
2007 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2008 (dsp64): New availability predicate.
2009 (mips_builtins): Add an entry for __builtin_mips_ldx.
2010 * config/mips/mips.h (ISA_HAS_LBX): New define.
2011 (ISA_HAS_LBUX): Likewise.
2012 (ISA_HAS_LHX): Likewise.
2013 (ISA_HAS_LHUX): Likewise.
2014 (ISA_HAS_LWX): Likewise.
2015 (ISA_HAS_LWUX): Likewise.
2016 (ISA_HAS_LDX): Likewise.
2017 * doc/extend.texi (__builtin_mips_ldx): Document.
2019 2012-01-04 Tristan Gingold <gingold@adacore.com>
2021 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2022 when long pointers are used.
2023 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2024 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2025 (ia64-hp-*vms*): Remove.
2026 * config/vms/xm-vms64.h: Delete.
2028 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2031 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2033 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2035 * opts.c (finish_options): Remove duplicate sorry.
2037 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2040 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2043 2012-01-04 Richard Guenther <rguenther@suse.de>
2046 * tree.c (size_low_cst): New function.
2047 * tree.h (size_low_cst): Declare.
2048 * fold-const.c (fold_comparison): Use it to extract the low
2049 part of the POINTER_PLUS_EXPR offset.
2051 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2053 Fix clearing ZERO_REG
2054 * config/avr/avr.md (cc): Add alternative "ldi".
2055 (movqi_insn): Use it in cc attribute.
2056 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2057 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2058 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2060 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2062 * configure: Regenerate.
2064 2012-01-04 Richard Guenther <rguenther@suse.de>
2066 PR tree-optimization/49651
2067 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2068 (var_can_have_subvars): Use it.
2069 (get_constraint_for_1): Only consider subfields if there can be any.
2071 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2074 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2075 to its new canonical_cselib_val and the cselib_val was in
2076 first_containing_mem chain, but the canonical_cselib_val was not,
2077 add the latter into the chain.
2078 (cselib_invalidate_mem): Compare canonical_cselib_val of
2079 addr_list chain elt with v.
2082 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2083 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2085 (output_macinfo_op): Don't ggc_strdup fd->filename.
2086 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2087 then ggc_strdup it. Don't free inc->info or cur->info.
2088 (output_macinfo): Don't free ref->info or file->info.
2090 2012-01-03 Ira Rosen <irar@il.ibm.com>
2092 PR tree-optimization/51269
2093 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2094 first_niters a pointer.
2095 (slpeel_tree_peel_loop_to_edge): Likewise.
2096 (vect_do_peeling_for_loop_bound): Update call to
2097 slpeel_tree_peel_loop_to_edge.
2098 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2099 here. Remove it from the parameters list.
2100 (vect_do_peeling_for_alignment): Update calls and compute
2103 2012-01-03 Richard Guenther <rguenther@suse.de>
2105 PR tree-optimization/51070
2106 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2107 Properly handle calls.
2109 2012-01-03 Richard Guenther <rguenther@suse.de>
2111 PR tree-optimization/51692
2112 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2113 the LHS of allocation stmts.
2115 2012-01-03 Olivier Hainque <hainque@adacore.com>
2117 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2119 2012-01-03 Olivier Hainque <hainque@adacore.com>
2121 * collect2.c (main): In AIX specific computations for vector
2122 insertions, use CONST_CAST2 to cast from char ** to const char **.
2124 2012-01-03 Richard Guenther <rguenther@suse.de>
2127 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2128 the context of a limbo DIE when it does not already exist.
2130 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2132 PR tree-optimization/51719
2133 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2134 but direct call is, clear direct call's lhs and don't add fallthrough
2135 edge from dcall_bb to join_bb and PHIs.
2137 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2139 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2140 the instructions emitted by the pattern.
2141 ("*TDC_insn_<mode>"): Add comment.
2143 2012-01-03 Richard Guenther <rguenther@suse.de>
2146 * fold-const.c (fold_comparison): Properly canonicalize
2147 tree offset and HOST_WIDE_INT bit position.
2149 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2151 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2152 operands for extzv pattern.
2154 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2157 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2160 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2162 * doc/invoke.texi (-flto and related options): Copy-edit.
2164 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2166 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2168 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2170 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2173 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2175 * expr.h (move_by_pieces_ninsns): Declare.
2176 * expr.c (move_by_pieces_ninsns): Make external.
2177 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2178 (mips_store_by_pieces_p): Likewise.
2179 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2180 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2181 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2182 (mips_store_by_pieces_p): Likewise.
2184 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2186 * passes.c (register_one_dump_file): Free full_name.
2188 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2189 (calculate_elim_costs_all_insns): Free offsets_at and
2190 offsets_known_at at the end and clear the pointers.
2192 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2194 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2195 this option introduced in r180739.
2197 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2200 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2201 (tmake_file target=avr): Add avr/t-multilib.
2203 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2204 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2205 * config/avr/genmultilib.awk: New file.
2206 * config/avr/t-multilib: New auto-generated file.
2207 * config/avr/multilib.h: New auto-generated file.
2208 * config/avr/t-avr (AVR_MCUS): New variable.
2209 (genopt.sh): Use it.
2210 (s-mlib): Depend on t-multilib.
2211 (t-multilib, multilib.h): New dependencies.
2212 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2213 (MULTILIB_OPTIONS): Remove.
2214 (MULTILIB_MATCHES): Remove.
2215 (MULTILIB_DIRNAMES): Remove.
2216 (MULTILIB_EXCEPTIONS): Remove:
2217 * config/avr/genopt.sh: Don't use hard coded file name;
2218 pass AVR_MCUS from t-avr instead.
2220 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2222 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2224 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2226 Implement light-weight DImode support.
2227 * config/avr/avr-dimode.md: New file.
2228 * config/avr/avr.md: Include it.
2229 (adjust_len): Add plus64, compare64.
2230 (HIDI): Remove code iterator.
2231 (code_stdname): New code attribute.
2232 (rotx, rotsmode): Remove DI.
2233 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2235 * config/avr/avr-protos.h (avr_have_dimode): New.
2236 (avr_out_plus64, avr_out_compare64): New.
2237 * config/avr/avr.c (avr_out_compare): Handle DImode.
2238 (avr_have_dimode): New variable definition and initialization.
2239 (avr_out_compare64, avr_out_plus64): New functions.
2240 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2241 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2242 (avr_compare_pattern): Skip DImode comparisons.
2244 2012-01-02 Revital Eres <revital.eres@linaro.org>
2246 * ddg.c (def_has_ccmode_p): New function.
2247 (add_cross_iteration_register_deps,
2248 create_ddg_dep_from_intra_loop_link): Call it.
2250 2012-01-02 Richard Guenther <rguenther@suse.de>
2253 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2255 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2257 * gcc.c (process_command): Update copyright notice dates.
2258 * gcov.c (print_version): Likewise.
2259 * gcov-dump.c (print_version): Likewise.
2260 * mips-tfile.c (main): Likewise.
2261 * mips-tdump.c (main): Likewise.
2263 2012-01-01 Ira Rosen <irar@il.ibm.com>
2265 PR tree-optimization/51704
2266 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2267 a use is inside the basic block or loop before accessing its vect info.
2269 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2271 PR rtl-optimization/51069
2272 * cfgloopmanip.c (remove_path): Removing path making irreducible
2273 region unconditional makes BB part of the region.
2275 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2277 PR tree-optimization/51683
2278 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2279 calls with side-effects.
2280 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2282 Copyright (C) 2012 Free Software Foundation, Inc.
2284 Copying and distribution of this file, with or without modification,
2285 are permitted in any medium without royalty provided the copyright
2286 notice and this notice are preserved.
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