1 2012-02-08 Magnus Granberg <zorry@gentoo.org>
4 * gcc.c (switch_matches) Support switches with separated form, -D
7 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
9 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
12 * config/avr/avr.c (avr_addr_t): New typedef.
13 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
14 (avr_init_expanders): Initialize it.
15 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
17 (expand_epilogue): Ditto.
18 (avr_print_operand): Ditto.
19 (avr_file_start): Ditto.
20 (avr_emit_movmemhi): Ditto.
22 2012-02-08 Richard Guenther <rguenther@suse.de>
24 PR tree-optimization/46886
25 * tree-flow.h (do_while_loop_p): Declare.
26 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
27 * tree-parloops.c (parallelize_loops): Only parallelize do-while
30 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
32 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
33 always succeed for integers larger than a native word.
35 2012-02-08 Richard Guenther <rguenther@suse.de>
37 PR rtl-optimization/52170
38 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
39 properly handle integer vector modes.
41 2012-02-08 Jakub Jelinek <jakub@redhat.com>
44 * coverage.c: Include target.h.
45 (build_var): Call targetm.strip_name_encoding on the assembler name.
46 Change one _ into . or $ if the target allows it.
47 * Makefile.in (coverage.o): Depend on $(TARGET_H).
49 PR rtl-optimization/52139
50 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
51 is a BARRIER after emit_insn_after_noloc, move BB_END
52 to the last non-BARRIER insn before it.
54 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
57 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
58 (mips_gimplify_va_arg_expr): Call it instead of
59 std_gimplify_va_arg_expr.
61 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
63 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
64 message for -mno-pointers-to-nested-function.
66 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
69 * expr.c (get_inner_reference): If there is an offset, add a negative
70 bit position to it (if any).
72 2012-02-07 Jakub Jelinek <jakub@redhat.com>
74 PR rtl-optimization/52060
75 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
76 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
77 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
78 and/or i0src_copy2 when needed.
80 2012-02-07 Jakub Jelinek <jakub@redhat.com>
82 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
83 or LTOPLUGINSONAME if have_c.
85 * config/freebsd-spec.h: Add comment about what macros can be defined
87 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
88 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
91 2012-02-07 Richard Guenther <rguenther@suse.de>
93 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
94 newline in -alias dumps.
96 2012-02-07 Kai Tietz <ktietz@redhat.com>
97 Dave Korn <dave.korn.cygwin@gmail.com>
100 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
101 Take care that typinfo gets dllexport-attribute.
103 2012-02-07 Jakub Jelinek <jakub@redhat.com>
106 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
107 if modifier < EXPAND_SUM call force_operand on the result.
109 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
111 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
112 adding __forwarder_dst__ prefix if a forwarder_section attribute is
114 (epiphany_function_type): Replace types for specific interrupts with
115 EPIPHANY_FUNCTION_INTERRUPT.
116 (EPIPHANY_INTERRUPT_P): Update.
117 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
119 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
120 <disinterrupt>: Affects type identity.
121 (epiphany_handle_interrupt_attribute): Handle variable number of
123 (epiphany_compute_function_type): Update for new
124 epiphany_function_type definition.
125 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
126 handlers with a longcall forwarder.
127 (epiphany_start_function): Handle multiple interrupt arguments and/or
128 forwarder_section attribute.
130 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
132 2012-02-07 Alan Modra <amodra@gmail.com>
135 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
138 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
140 PR tree-optimization/50969
141 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
142 use vec_perm rather than vector_stmt.
143 (vect_model_load_cost): Likewise.
144 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
145 vec_perm to be the same as other vector statements.
146 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
147 cost of vec_perm for TARGET_VSX.
149 2012-02-06 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/52115
152 * tree-sra.c (access_has_replacements_p): New function.
153 (sra_modify_assign): Use it to decide whether a use is uninitialized.
155 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
158 * trans-mem.c (expand_call_tm): Add an assertion.
159 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
162 2012-02-06 Richard Guenther <rguenther@suse.de>
164 PR tree-optimization/50955
165 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
166 raise cost of expressions that replace an address with an
167 expression based on a different pointer.
169 2012-02-06 Jakub Jelinek <jakub@redhat.com>
172 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
173 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
175 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
178 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
179 -Weffc++ and specify guidelines come from second edition.
181 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
183 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
184 (sibcall_value_multiple_internal, call_split, call_internal_direct)
185 (call_direct_split, call_value_split, call_value_internal_direct)
186 (call_value_direct_split, call_value_multiple_split): Use jal and
187 jal_macro attributes.
189 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
191 * reload1.c (reload_regs_reach_end_p): Replace with...
192 (reload_reg_rtx_reaches_end_p): ...this function.
193 (new_spill_reg_store): Update commentary.
194 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
195 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
196 before setting new_spill_reg_store.
197 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
198 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
199 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
200 for non-spill reload registers.
202 2012-02-05 Ira Rosen <irar@il.ibm.com>
204 PR tree-optimization/52091
205 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
206 (vect_is_simple_use_1): Likewise.
207 * tree-vect-loop.c (vectorizable_reduction): Update calls
208 to vect_is_simple_use_1 and vect_is_simple_use.
209 (vectorizable_live_operation): Likewise.
210 * tree-vect-patterns.c (widened_name_p,
211 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
213 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
214 vectorizable_call, vectorizable_conversion,
215 vectorizable_assignment, vectorizable_shift,
216 vectorizable_operation, vectorizable_store, vectorizable_load):
218 (vect_is_simple_cond): Add an argument, pass it to
219 vect_is_simple_use_1.
220 (vectorizable_condition): Update calls to vect_is_simple_cond,
222 (vect_is_simple_use): Add an argument, the statement in which
223 OPERAND is used. Check that if OPERAND's def stmt is a double
224 reduction phi node, the use is a phi node too.
225 (vect_is_simple_use_1): Add an argument, pass it to
227 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
228 to vect_is_simple_use.
230 2012-02-04 Jakub Jelinek <jakub@redhat.com>
232 PR rtl-optimization/52095
233 * modulo-sched.c (dump_insn_locator): New function.
234 (loop_canon_p, sms_schedule): Use it.
236 PR rtl-optimization/52113
237 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
238 even for decomposable shift/zext insns.
240 2012-02-03 Jakub Jelinek <jakub@redhat.com>
241 Zdenek Dvorak <ook@ucw.cz>
243 PR rtl-optimization/52092
244 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
245 on get_iv_value result.
247 2012-02-02 Andrew Pinski <apinski@cavium.com>
251 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
253 2012-02-02 Jakub Jelinek <jakub@redhat.com>
256 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
258 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
260 PR rtl-optimization/49800
261 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
262 (sched_finish): Call regstat_free_n_sets_and_refs.
264 2012-02-02 Jia Liu <proljc@gmail.com>
266 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
269 2012-02-02 Jan Hubicka <jh@suse.cz>
270 Tom de Vries <tom@codesourcery.com>
273 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
274 * varpool.c (varpool_analyze_pending_decls): Likewise.
276 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
277 Jayant R Sonar <jayant.sonar@kpitcummins.com>
279 * config.gcc: Add cr16-* support.
281 * doc/extend.texi: Document cr16 extensions.
282 * doc/install.texi: Document cr16 install.
283 * doc/invoke.texi: Document cr16 options.
284 * doc/md.texi: Document cr16 constraints.
286 * common/config/cr16/cr16-common.c: New file.
287 * config/cr16/cr16.c: New file.
288 * config/cr16/cr16.h: New file.
289 * config/cr16/cr16.md: New file.
290 * config/cr16/cr16.opt: New file.
291 * config/cr16/cr16-protos.h: New file.
292 * config/cr16/predicates.md: New file.
293 * config/cr16/constraints.md: New file.
294 * config/cr16/t-cr16: New file.
296 2012-02-02 Jakub Jelinek <jakub@redhat.com>
299 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
300 that operands[2] is either immediate, or q_regs_operand.
302 PR tree-optimization/52073
303 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
304 a pattern stmt for pattern uses, ignore uses outside of the loop.
306 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
308 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
309 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
310 (OUT_AS1, OUT_AS2): Remove.
312 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
314 PR rtl-optimization/51374
315 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
316 to cross other volatile_refs_p insns.
318 2012-02-01 Richard Guenther <rguenther@suse.de>
320 * doc/invoke.texi (fno-inline): Clarify documentation.
321 (finline-small-functions): Likewise.
322 (finline-functions): Likewise.
323 * common.opt (finline): Adjust comment and documentation.
324 (finline-small-functions): Clarify documentation.
325 (finline-functions): Likewise.
326 (finline-functions-called-once): Likewise.
328 2012-02-01 Tristan Gingold <gingold@adacore.com>
330 * c-typeck.c (composite_type): Keep mode for pointers.
332 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
334 * function.h (regno_reg_rtx): Adjust comment.
335 * reginfo.c (init_reg_modes_target): Only use the previous mode
336 if it fits within one register. Remove MIPS comment.
338 2012-01-31 Jakub Jelinek <jakub@redhat.com>
341 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
343 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
345 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
348 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
350 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
353 2012-01-31 Jakub Jelinek <jakub@redhat.com>
358 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
360 2012-01-31 Richard Guenther <rguenther@suse.de>
362 PR tree-optimization/51528
363 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
366 2012-01-31 Jakub Jelinek <jakub@redhat.com>
371 * ree.c (add_removable_extension): Change def_map argument
372 to unsigned *, store in def_map 1 + offset into *insn_list vector
373 instead of pointers into the vector.
374 (find_removable_extensions): Adjust caller.
376 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
378 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
379 Transform all "* quoted-c-code" to { c-code }.
380 Remove redundant test for "optimize" in combine patterns.
381 Move (include "avr-dimode.md") to end of file.
383 2012-01-30 Bin Cheng <bin.cheng@arm.com>
386 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
387 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
389 2012-01-30 Richard Guenther <rguenther@suse.de>
391 PR tree-optimization/52028
392 * tree-loop-distribution.c (ldist_gen): Properly update
395 2012-01-30 Jakub Jelinek <jakub@redhat.com>
398 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
399 set_cur_line_info_table if not emitting debug info.
401 PR tree-optimization/52046
402 * tree-vect-patterns.c (check_bool_pattern): Give up if
403 a comparison could throw.
406 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
408 2012-01-30 Richard Guenther <rguenther@suse.de>
410 PR tree-optimization/52045
411 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
412 SSA form if cfgcleanup did anything.
414 2012-01-30 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/52045
417 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
418 before computing final todo.
420 2012-01-30 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/51528
423 * tree-sra.c (sra_modify_assign): Re-factor in preparation
426 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
428 * df-problems.c (df_kill_notes): Check that the use refers
429 to the note under examination.
431 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
434 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
435 parameter and use short-lived pseudos.
436 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
437 (sparc_expand_vector_init): Const-ify local variables and adjust
438 calls to above functions.
440 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
442 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
444 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
446 * doc/invoke.texi: Make usage of "compile time" and
447 "run time"/"runtime" consistent throughout the file.
449 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
451 * config/alpha/alpha.c (alpha_option_overrride): Default to
452 full IEEE compliance mode for Go language.
454 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
456 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
457 (LINK_SSP_SPEC): Define.
459 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
462 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
465 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
467 * doc/invoke.texi: Correct hyphenation of "floating point",
468 "double precision", and related terminology throughout the file.
470 2012-01-28 Jakub Jelinek <jakub@redhat.com>
473 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
474 arm_general_register_operand predicate for operand 2 instead of
477 2012-01-27 Ian Lance Taylor <iant@google.com>
480 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
481 * builtins.c (expand_builtin_init_trampoline): Add onstack
482 parameter. Change caller.
483 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
484 * tree.c (build_common_builtin_nodes): Declare
485 __builtin_init_heap_trampoline.
487 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
489 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
490 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
491 * config/avr/avr.c: Ditto.
492 (avr_regnames): Remove because unused.
493 * config/avr/avr.md (*cpse.ne): New peephole.
494 (*cpse.eq): New peephole from former cpse peepholes.
496 2012-01-27 Michael Eager <eager@eagercon.com>
498 * config/microblaze.c (microblaze_emit_compare): Correct
499 test after pcmp instruction.
501 2012-01-27 Richard Guenther <rguenther@suse.de>
503 PR tree-optimization/52020
504 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
506 2012-01-27 Richard Guenther <rguenther@suse.de>
508 * ipa-pure-const.c (check_stmt): Clobbers do not make a
509 function non-const/pure.
511 2012-01-27 Richard Guenther <rguenther@suse.de>
513 PR tree-optimization/50444
514 * tree-sra.c (build_ref_for_offset): Properly adjust the
515 MEM_REF type for unaligned accesses.
517 2012-01-27 Richard Guenther <rguenther@suse.de>
519 PR tree-optimization/50444
520 * expr.c (mem_ref_refers_to_non_mem_p): New function.
521 (expand_assignment): Use it. Properly handle misaligned
522 bases when expanding stores to component references.
523 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
526 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
529 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
530 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
531 * tree-data-ref.c (find_data_references_in_loop): Make static.
532 (compute_all_dependences): Change return type to bool. Bail out
533 for too many datarefs in a loop. Move the hunk resetting the data
534 dependences vector from ...
535 (compute_data_dependences_for_loop): ... here. Account for
536 compute_all_dependences returning false.
537 (compute_data_dependences_for_bb): Likewise.
538 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
539 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
541 2012-01-27 Richard Guenther <rguenther@suse.de>
544 * expr.c (store_field): Use the alias-set of the scratch memory
547 2012-01-27 Tom de Vries <tom@codesourcery.com>
549 PR tree-optimization/51990
550 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
552 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
554 2012-01-27 Jakub Jelinek <jakub@redhat.com>
557 * var-tracking.c (reverse_op): Don't add any reverse operation
558 if V already has any constant locations.
560 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
562 * doc/invoke.texi: Correct usage of "command line" (noun)
563 vs "command-line" (adjective) throughout.
565 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
567 * doc/invoke.texi (Language Independent Options): Move
568 -Wcoverage-mismatch blurb from here....
569 (Warning Options): ...to here.
571 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
573 * config/rs6000/rs6000.c (rs6000_option_override_internal):
574 Set rs6000_always_hint to false for 476.
576 2012-01-27 Matthias Klose <doko@ubuntu.com>
578 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
580 * incpath.c (add_standard_paths): Likewise.
582 2012-01-27 Richard Henderson <rth@redhat.com>
584 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
585 * config/m68k/sync.md (atomic_test_and_set): Rename from
586 sync_test_and_setqi and adjust the operands.
587 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
588 and unconditionally enable.
590 2012-01-27 Richard Henderson <rth@redhat.com>
592 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
593 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
594 (ldstub): Rename from ldstubqi.
595 (ldstub<I24MODE>): Remove.
597 2012-01-27 Richard Henderson <rth@redhat.com>
599 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
600 * c-cppbuiltin.c (cpp_atomic_builtins): Define
601 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
602 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
603 * doc/tm.texi: Rebuild.
605 2012-01-27 Richard Henderson <rth@redhat.com>
607 * optabs.c (gen_atomic_test_and_set): Remove default.
608 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
610 2012-01-26 Jakub Jelinek <jakub@redhat.com>
612 PR rtl-optimization/51978
613 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
614 (combine_reaching_defs): Likewise.
615 (struct re_info): Remove.
616 (add_removable_extension): Remove x and data arguments,
617 add insn, insn_list and def_map. Use the arguments directly
618 instead of using struct re_info.
619 (find_removable_extensions): Don't call add_removable_extension
620 through note_stores, instead just call it with single_set
622 (find_and_remove_re): Pass curr_cand->expr instead of
623 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
625 2012-01-26 Michael Matz <matz@suse.de>
627 PR tree-optimization/46590
628 * cfgexpand.c: Revert last change (r183305).
629 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
631 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
632 checking for emptiness.
634 2012-01-26 Jakub Jelinek <jakub@redhat.com>
637 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
638 non-addressable non-BLKmode base correctly.
640 2012-01-26 Michael Matz <matz@suse.de>
642 PR tree-optimization/48794
643 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
644 regions referenced from RESX/EH_DISPATCH.
646 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
648 * config/s390/s390.h: Make BRANCH_COST an option.
649 * config/s390/s390.opt: New option -mbranch-cost.
651 2012-01-26 Richard Henderson <rth@redhat.com>
653 Revert 2012-01-24 change:
654 * trans-mem.c (requires_barrier): Do not instrument thread local
655 variables and emit save/restore for them.
657 2012-01-25 Jakub Jelinek <jakub@redhat.com>
660 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
663 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
665 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
668 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
671 Rename __pgm to __flash.
672 Rename __pgm1 to __flash1.
673 Rename __pgm2 to __flash2.
674 Rename __pgm3 to __flash3.
675 Rename __pgm4 to __flash4.
676 Rename __pgm5 to __flash5.
677 Rename __pgmx to __memx.
678 * doc/extend.texi (AVR Named Address Spaces)
679 Rename address space names as indicated above.
680 * config/avr/avr.c (avr_addrspace): Ditto.
682 * config/avr/avr-protos.h
683 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
684 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
685 * config/avr/predicates.md: Ditto.
686 * config/avr/avr.c Ditto, and
687 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
688 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
690 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
691 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
692 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
693 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
694 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
695 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
696 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
697 * config/avr/avr.c: Ditto.
698 * config/avr/avr.md: Ditto.
700 2012-01-25 Jason Merrill <jason@redhat.com>
703 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
705 2012-01-25 Jakub Jelinek <jakub@redhat.com>
707 PR tree-optimization/51987
708 * tree-data-ref.c (get_references_in_stmt): Handle references in
709 non-volatile GIMPLE_ASM.
711 2012-01-25 Richard Guenther <rguenther@suse.de>
713 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
714 bases are dereferenced.
716 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
718 PR rtl-optimization/48374
719 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
721 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
723 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
724 compute_data_dependences_for_loop returns false.
725 * tree-parloops.c (loop_parallel_p): Likewise.
727 2012-01-25 Richard Guenther <rguenther@suse.de>
729 * tree.h (get_pointer_alignment_1): Declare.
730 * builtins.c (get_pointer_alignment_1): New function.
731 (get_pointer_alignment): Use it.
733 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
735 PR rtl-optimization/48308
736 * combine.c (enum undo_kind): Add UNDO_LINKS.
737 (struct undo): Add member l to other_contents and where.
738 (do_SUBST_LINK): New.
740 (try_combine): Handle LOG_LINKS for the dummy i1 case.
741 (undo_all): Handle UNDO_LINKS.
743 2012-01-25 Richard Henderson <rth@redhat.com>
745 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
748 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
750 * optabs.c (gen_atomic_test_and_set): Use each argument.
752 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
754 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
755 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
756 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
757 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
758 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
759 TARGET_PAIRED_SINGLE_FLOAT.
761 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
763 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
764 (in_struct, return_val): Remove MEM documentation.
765 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
766 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
767 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
769 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
770 * cfgexpand.c (add_alias_set_conflicts): Likewise.
771 * expr.c (store_field): Likewise.
772 * function.c (assign_stack_temp_for_type): Likewise.
773 * ifcvt.c (noce_try_cmove_arith): Likewise.
774 * reload1.c (reload): Likewise.
775 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
776 (alpha_set_memflags): Likewise.
777 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
779 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
781 * rtl.h (true_dependence, canon_true_dependence): Remove varies
783 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
784 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
785 (true_dependence_1, true_dependence, canon_true_dependence): Remove
787 * cselib.c (cselib_rtx_varies_p): Delete.
788 (cselib_invalidate_mem): Update call to canon_true_dependence.
789 * dse.c (record_store, check_mem_read_rtx): Likewise.
790 (scan_reads_nospill): Likewise.
791 * cse.c (check_dependence): Likewise.
792 (cse_rtx_varies_p): Delete.
793 * expr.c (safe_from_p): Update call to true_dependence.
794 * ira.c (validate_equiv_mem_from_store): Likewise.
795 (memref_referenced_p): Likewise.
796 * postreload-gcse.c (find_mem_conflicts): Likewise.
797 * sched-deps.c (sched_analyze_2): Likewise.
798 * store-motion.c (load_kills_store): Likewise.
799 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
800 * gcse.c (mems_conflict_for_gcse_p): Likewise.
801 (compute_transp): Update call to canon_true_dependence.
803 2012-01-25 Richard Henderson <rth@redhat.com>
805 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
806 (maybe_emit_atomic_test_and_set): New.
807 (expand_sync_lock_test_and_set): Use it.
808 (expand_atomic_test_and_set): Likewise.
809 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
810 the implementation; clarify implementation defined details.
811 * doc/md.texi (atomic_test_and_set): Document.
813 2012-01-25 Richard Henderson <rth@redhat.com>
815 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
817 2012-01-25 Richard Henderson <rth@redhat.com>
820 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
821 to effect no-op split.
823 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
826 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
827 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
828 (BT_FN_VOID_PTR_INT_SIZE): New.
829 (BT_FN_UINT_UINT_VAR): Remove.
830 (BT_FN_UINT32_UINT32_VAR): New.
831 (BT_FN_DOUBLE_VPTR): Remove.
832 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
834 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
835 (_ITM_changeTransactionMode): Same.
836 (_ITM_memmoveRtWt): Change return type to void.
837 (_ITM_memcpyRtWt): Same.
838 (_ITM_memsetW): Same.
839 (_ITM_RaRD): Change types to double.
844 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
846 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
847 Patrick Marlier <patrick.marlier@gmail.com>
849 * trans-mem.c (requires_barrier): Do not instrument thread local
850 variables and emit save/restore for them.
852 2012-01-24 Jason Merrill <jason@redhat.com>
855 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
856 output static aliases.
858 2012-01-24 Jakub Jelinek <jakub@redhat.com>
861 * common.opt (-pie, -shared, pie, shared): Change from Common to
863 * gcc.c (display_help): Display help for -pie and -shared.
865 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
868 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
869 Remove note on size/offset limitation.
870 (AVR Variable Attributes): Add example how to read data located
871 with progmem. Refer to named address spaces.
872 * doc/invoke.texi (AVR Options): Fix typo.
874 2012-01-24 Richard Guenther <rguenther@suse.de>
876 Forward-port to trunk
877 2010-09-21 Jakub Jelinek <jakub@redhat.com>
880 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
881 op0 isn't sufficiently aligned and there is movmisalignM
882 insn for mode, use it to load op0 into a temporary register.
884 2012-01-24 Jakub Jelinek <jakub@redhat.com>
887 * target.def (const_not_ok_for_debug_p): New hook.
888 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
890 * doc/tm.texi: Regenerated.
891 * dwarf2out.c (const_ok_for_output_1): If
892 targetm.const_not_ok_for_debug_p returns true, fail.
893 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
895 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
897 2012-01-23 Kai Tietz <ktietz@redhat.com>
900 * config/i386/predicates.md (symbolic_operand): Allow
901 UNSPEC_PCREL as PIC expression for lea.
902 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
903 * config/i386/i386.c (ix86_delegitimize_address): Handle
904 UNSPEC_PCREL for none-MEM, too.
906 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
908 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
909 (ipa_tm_create_version_alias): Same.
911 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
914 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
915 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
917 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
918 Patrick Marlier <patrick.marlier@gmail.com>
919 Iain Sandoe <developer@sandoe-acoustics.co.uk>
922 * lto-wrapper.c (run_gcc): Pass the LTO section name to
923 simple_object_start_read.
925 2012-01-23 Richard Guenther <rguenther@suse.de>
928 PR tree-optimization/51895
929 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
930 parameter decomposition into BLKmode components.
932 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
934 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
935 fake variables for restrict-qualified pointers whose pointed-to type
936 contains a placeholder.
938 2012-01-23 Richard Guenther <rguenther@suse.de>
940 PR tree-optimization/51949
941 * ipa-split.c (execute_split_functions): Do not split malloc functions.
943 2012-01-23 Jakub Jelinek <jakub@redhat.com>
945 PR rtl-optimization/51933
946 * ree.c (transform_ifelse): Return true right away if dstreg is
947 already wider or equal to cand->mode.
948 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
949 (make_defs_and_copies_lists): Remove defs_list and copies_list
950 arguments, add state argument, just truncate state->work_list
951 instead of always allocating and freeing the vector. Assert that
952 get_defs succeeds instead of returning 2. Changed return type to bool.
953 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
954 have ext_src_mode, see if it has been modified already with the
955 right kind of extension and has been extended before from the
956 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
957 just return true. Remember the original mode in state->modified array.
958 (combine_reaching_defs): Add state argument. Don't allocate and
959 free here def_list, copied_list and vec vectors, instead just
960 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
961 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
962 Add state variable, clear vectors in it, initialize state.modified
963 if needed. Free all the vectors at the end and state.modified too.
964 Don't skip a candidate if the extension expression has been modified.
966 2012-01-22 Douglas B Rupp <rupp@gnat.com>
969 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
970 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
971 (extra_options) interix.opt -> i386/interix.opt"
972 (extra_objs):Add winnt-stubs.o
973 * configure.ac: Add interix to target_os .comm on PE check.
974 * configure: Regenerate.
975 * config/interix3.h: Delete and move bits to..
976 * config/interix.h: Delete and move bits to..
977 * config/i386/i386-interix3.h: Delete and move bits to..
978 * config/i386/i386-interix.h: ..here.
979 (TARGET_CPU_DEFAULT): Remove redefinition.
980 (TARGET_ASM_CONSTRUCTOR): Undefine.
981 (SUBTARGET_SWITCHES): Define for ms-bitfields.
982 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
983 (PTRDIFF_TYPE): Define.
984 (LONG_DOUBLE_TYPE_SIZE): Define.
985 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
986 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
987 (TARGET_SECTION_TYPE_FLAGS): Define.
988 (ASM_DECLARE_FUNCTION_NAME): Define.
989 (ASM_OUTPUT_EXTERNAL): Define.
990 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
991 (ASM_OUTPUT_ALIGNED_BSS): Define.
992 (PCC_BITFIELD_TYPE_MATTERS): Define.
993 (USE_CONST_SECTION): Define.
994 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
995 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
996 (SUPPORTS_ONE_ONLY): Remove.
997 (I386_PE_STRIP_ENCODING): Define.
998 * config/interix.opt: Delete and move bits to..
999 * config/i386/interix.opt: ..here. New.
1000 (mpe-aligned-commons): Add.
1001 * config/i386/t-interix: Add copyright header.
1002 (winnt-stubs.o): Add rule.
1004 2012-01-22 Jason Merrill <jason@redhat.com>
1007 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1008 for extra name aliases.
1010 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1012 PR rtl-optimization/51924
1013 * ree.c (combine_set_extension): Improve debugging message.
1014 (combine_reaching_defs): Likewise.
1015 (get_defs): Rename confusingly named variable.
1016 (find_and_remove_re): Skip a candidate if the extension expression has
1019 2012-01-21 Robert Millan <rmh@gnu.org>
1020 Gerald Pfeifer <gerald@pfeifer.com>
1022 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1023 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1025 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1027 PR tree-optimization/51914
1028 * tree-vect-stmts.c (vectorizable_conversion): For
1029 cvt_type && modifier == WIDEN, put temporary with cvt_type
1030 at the beginning of vec_dsts and set vec_dest to temporary
1033 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1035 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1037 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1039 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1040 * config/rs6000/rs6000.c: Likewise.
1042 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1045 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1046 output_move_double on a copy of operands array.
1048 2012-01-20 Cary Coutant <ccoutant@google.com>
1049 Dodji Seketeli <dodji@redhat.com>
1052 * dwarf2out.c (copy_declaration_context): Return ref to parent
1053 of declaration DIE, if necessary.
1054 (remove_child_or_replace_with_skeleton): Add new parameter; update
1055 caller. Place skeleton DIE under parent DIE of original declaration.
1056 Move call to copy_declaration_context to here ...
1057 (break_out_comdat_types): ... from here.
1059 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1061 PR rtl-optimization/51856
1062 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1065 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1068 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1069 hints for neon loads and stores.
1071 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1075 * doc/extend.texi (Named Address Spaces): Split into subsections.
1076 (AVR Named Address Spaces): New subsection.
1077 (M32C Named Address Spaces): New subsection.
1078 (RL78 Named Address Spaces): New subsection.
1079 (SPU Named Address Spaces): New subsection.
1080 (Variable Attributes): New anchor "AVR Variable Attributes".
1081 (AVR Variable Attributes): Rewrite and avoid wording
1082 "address space" in this context.
1083 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1084 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1085 (AVR Built-in Macros): New subsubsection therein.
1086 * doc/md.texi (AVR constraints): Remove "C04", "R".
1088 2012-01-20 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/51903
1091 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1092 when removing stmts.
1094 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1097 * config/arm/arm.c (arm_load_pic_register): Use
1098 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1099 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1100 (arm_pic_static_addr): Likewise.
1101 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1102 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1103 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1104 (pic_load_addr_unified): New.
1106 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1109 * function.c (instantiate_virtual_regs_in_insn): Use
1110 delete_insn_and_edges when removing a wrong asm insn.
1112 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1114 PR rtl-optimization/40761
1115 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1116 Add new member loop_num.
1117 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1118 (ira_build): Remove the parameter.
1120 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1121 (ira.c): Do not build CFG loops for one region allocation. Remove
1122 argument from ira_build call.
1124 * ira-build.c (init_loop_tree_node): New function.
1125 (create_loop_tree_nodes): Use it. Separate the case when CFG
1126 loops are not built.
1127 (more_one_region_p): Check current_loops.
1128 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1130 (add_loop_to_tree): Process loop equal to NULL too.
1131 (form_loop_tree): Separate the case when CFG loops are not built.
1132 Use explicitly number for the root.
1133 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1135 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1136 instead of loop->num.
1137 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1138 (mark_all_loops_for_removal): Ditto.
1139 (remove_unnecessary_regions): Separate the case when CFG loops
1141 (ira_build): Remove the parameter. Use explicit number of regions
1142 when CFG loops are not built.
1144 * ira-color.c (print_loop_title): Separate the case for the root node.
1145 Use loop_num instead of loop->num.
1146 (move_spill_restore): Use loop_num instead of loop->num.
1148 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1149 (change_loop): Ditto.
1150 (change_loop): Use loop_num instead of loop->num.
1152 * ira-lives.c (process_bb_node_lives): Ditto.
1154 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1156 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1158 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1161 * tree-mudflap.c (mf_artificial): New function.
1162 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1163 mx_register_decls, mudflap_enqueue_decl): Use it.
1166 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1167 numbers in the insn pattern.
1169 2012-01-19 Michael Matz <matz@suse.de>
1171 PR tree-optimization/46590
1172 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1173 use it in remembering which conflicts we already created.
1174 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1177 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1180 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1181 (merge_and_complain): Same.
1183 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1186 * config/initfini-array.h: Guard content of the header
1187 with #ifdef HAVE_INITFINI_ARRAY.
1188 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1189 Add initfini-array.h to tm_file here.
1190 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1191 * config.gcc: Don't add initfini-array.h to tm_file here.
1192 * configure: Regenerated.
1194 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1196 PR rtl-optimization/51505
1197 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1198 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1199 (df_note_bb_compute): Update the call to df_kill_notes.
1201 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1203 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1205 2012-01-18 Richard Guenther <rguenther@suse.de>
1207 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1208 of conversions to void *.
1210 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1211 Richard Sandiford <rdsandiford@googlemail.com>
1215 * optabs.h (simplify_expand_binop): Declare.
1216 * optabs.c (simplify_expand_binop): Make global.
1217 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1218 endian targets if the source cannot be exactly covered by word
1221 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1224 * hard-reg-set.h (struct hard_reg_set_container): New type.
1225 * target.h (struct hard_reg_set_container): Forward declare.
1226 * target.def (set_up_by_prologue): New target hook.
1227 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1228 * doc/tm.texi: Regenerated.
1229 * function.c (thread_prologue_and_epilogue_insns): Change
1230 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1231 Call targetm.set_up_by_prologue on it.
1232 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1233 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1235 2012-01-17 Nick Clifton <nickc@redhat.com>
1237 * config/rx/rx.c (rx_can_use_simple_return): New function.
1238 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1239 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1241 2012-01-17 Richard Guenther <rguenther@suse.de>
1244 * expr.c (expand_assignment): Take address-space information
1245 from the address operand of MEM_REF and TARGET_MEM_REF.
1246 (expand_expr_real_1): Likewise.
1248 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1250 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1251 reload dump is requested.
1253 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1256 * trans-mem.c (requires_barrier): Call may_be_aliased.
1258 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1260 PR tree-optimization/51877
1261 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1262 call arguments and fndecls compare equal, instead return false if they
1263 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1264 both SSA_NAMEs that are valueized the same, or they satisfy
1267 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1269 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1271 * configure: Regenerate.
1273 2012-01-16 Jan Hubicka <jh@suse.cz>
1277 * convert.c (convert_to_integer): Use fold_convert for
1278 converting an INTEGER_CST to integer type.
1280 2012-01-16 Jason Merrill <jason@redhat.com>
1283 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1285 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1288 * config/s390/s390.c (s390_chunkify_start): Don't skip
1289 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1290 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1291 If insn is followed by NOTE_INSN_VAR_LOCATION or
1292 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1293 Don't use location of note insns.
1295 PR tree-optimization/51865
1296 * tree-inline.c (tree_function_versioning): Call remap_decl
1297 on DECL_RESULT whenever it has VOID_TYPE_P type.
1299 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1301 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1302 for calls to locally-binding MIPS16 functions if only the return
1303 type uses float regs.
1305 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1306 Richard Sandiford <rdsandiford@googlemail.com>
1308 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1309 (SYMBOL_32_HIGH): Likewise.
1310 (mips_output_tls_reloc_directive): Declare.
1311 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1312 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1313 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1314 (mips_lo_relocs, mips_hi_relocs): Make extern.
1315 (mips16_stub_function): Move up file.
1316 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1317 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1318 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1319 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1320 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1321 (mips_get_tp): Add MIPS16 support.
1322 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1323 Generalize DTPREL and TPREL handling.
1324 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1325 Add MIPS16 TLS support.
1326 (mips_output_tls_reloc_directive): New function.
1327 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1328 * config/mips/predicates.md (symbolic_operand_with_high)
1329 (tls_reloc_operand): New predicates.
1330 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1331 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1332 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1333 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1334 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1335 (*tls_get_tp_mips16_call_<mode>): Likewise.
1337 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1339 PR rtl-optimization/51821
1340 * recog.c (peep2_find_free_register): Determine clobbered registers
1343 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1346 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1347 * config/avr/avr.c: Likewise.
1348 * config/avr/avr.h: Likewise.
1350 2012-01-13 Ian Lance Taylor <iant@google.com>
1353 * tree.h (TYPE_QUALS): Add cast to int.
1354 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1356 2012-01-13 Ian Lance Taylor <iant@google.com>
1358 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1359 comparing param_index to VEC_length result.
1361 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1363 * c-decl.c: Do not include tree-mudflap.h
1364 * tree-optimize.c: Likewise.
1365 * Makefile.in: Update dependencies.
1367 2012-01-13 Richard Guenther <rguenther@suse.de>
1370 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1371 variable-sized result always use RSO.
1373 2012-01-12 DJ Delorie <dj@redhat.com>
1375 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1376 pointer type, not just the default pointer type.
1378 2012-01-09 Richard Henderson <rth@redhat.com>
1379 Denis Chertykov <chertykov@gmail.com>
1382 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1383 * config/avr/avr.c (avr_can_eliminate): Simplify.
1384 (avr_initial_elimination_offset): Likewise.
1385 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1386 (expand_epilogue): Likewise.
1387 (avr_legitimize_address): Gut.
1388 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1389 (avr_hard_regno_nregs): New.
1390 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1391 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1392 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1393 add soft frame pointer.
1394 (CALL_USED_REGISTERS): Likewise.
1395 (REG_CLASS_CONTENTS): Likewise.
1396 (REGISTER_NAMES): Likewise.
1397 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1398 (HARD_FRAME_POINTER_REGNUM): New.
1399 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1400 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1401 remove the HARD_FRAME_POINTER self-elimination.
1403 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1406 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1407 DECL_EXTERNAL when checking for initializers of progmem variables.
1409 2012-01-12 Ira Rosen <irar@il.ibm.com>
1411 PR tree-optimization/51799
1412 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1413 that the last operation is a type demotion.
1415 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1417 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1418 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1420 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1423 * combine.c (distribute_notes): If i3 is a noreturn call,
1424 allow old_size to be equal to args_size and make sure the
1425 noreturn call gets REG_ARGS_SIZE note.
1426 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1427 on noreturn calls even when the delta is 0.
1429 2012-01-11 Nathan Sidwell <nathan@acm.org>
1431 * gcov.c (STRING_SIZE): Remove.
1432 (generate_results): Erase annotations for source files with no
1433 coverage information.
1435 (output_lines): Use it.
1437 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1439 * gimple.h (gimplify_body): Remove first argument.
1440 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1441 pointer set here, instead just pass DATA to walk_tree.
1442 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1443 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1444 (unvisit_body): Likewise, but with unmark_visited.
1445 (gimplify_body): Remove BODY_P argument and adjust.
1446 (gimplify_function_tree): Adjust call to gimplify_body.
1447 * omp-low.c (finalize_task_copyfn): Likewise.
1449 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1451 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1452 (build_function_type_skip_args): Delete.
1453 * tree.c (build_function_type_skip_args): Make static and add
1454 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1455 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1456 pass it to build_function_type_skip_args.
1457 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1458 (tree_function_versioning): Likewise.
1459 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1460 build_function_decl_skip_args.
1461 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1462 and pass it to build_function_decl_skip_args/tree_function_versioning.
1463 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1464 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1465 * trans-mem.c (ipa_tm_create_version): Likewise.
1466 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1467 * tree-inline.c (declare_return_variable): Remove always-true test.
1468 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1469 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1470 * ipa-split.c (split_function): Skip the return value for the split
1471 part if it doesn't return.
1473 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1475 PR tree-optimization/49642
1476 * ipa-split.c (forbidden_dominators): New variable.
1477 (check_forbidden_calls): New function.
1478 (dominated_by_forbidden): Likewise.
1479 (consider_split): Check for forbidden dominators.
1480 (execute_split_functions): Initialize and free forbidden
1481 dominators info; call check_forbidden_calls.
1483 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1485 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1487 2012-01-11 Nick Clifton <nickc@redhat.com>
1489 * config/rx/rx.md (return): Define pattern.
1491 2012-01-11 Richard Guenther <rguenther@suse.de>
1493 * doc/extend.texi (malloc attribute): Adjust according to
1496 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1497 Patrick Marlier <patrick.marlier@gmail.com>
1500 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1501 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1502 (ipa_tm_note_irrevocable): Same.
1503 (ipa_tm_scan_irr_block): Same.
1504 (ipa_tm_decrement_clone_counts): Same.
1505 (ipa_tm_scan_irr_function): Same.
1506 (ipa_tm_create_version_alias): Same.
1507 (ipa_tm_create_version): Same.
1508 (ipa_tm_transform_calls_redirect): Same.
1509 (ipa_tm_transform_calls): Same.
1510 (ipa_tm_transform_transaction): Same.
1511 (ipa_tm_execute): Same.
1513 2012-01-10 Richard Guenther <rguenther@suse.de>
1516 * opts.c (common_handle_option): Handle -Werror.
1518 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1520 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1523 2012-01-10 Jason Merrill <jason@redhat.com>
1525 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1528 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1530 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1531 supports R_386_TLS_GD_PLT reloc.
1532 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1533 supports R_386_TLS_LDM_PLT reloc.
1534 * configure: Regenerate.
1535 * config.in: Regenerate.
1537 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1540 Extend __pgmx semantics to linearize memory.
1541 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1542 determine if code comes inline or from libgcc.
1543 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1544 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1545 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1546 (movmemx_qi, movmemx_hi): New insns.
1547 (xload_<mode>_libgcc): Rewrite to new insn condition.
1548 (xload_<mode>): Remove insns.
1549 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1550 cases that don't satisfy avr_xload_libgcc_p().
1551 (avr_addr_space_convert): Allow converting in any direction.
1552 (avr_addr_space_subset_p): Return always true.
1553 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1554 (avr_emit_movmemhi): Ditto.
1555 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1556 (avr_out_movmem): Ditto.
1557 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1558 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1559 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1560 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1561 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1563 2012-01-10 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/50913
1566 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1567 Require data-refs to be representable by Graphite with respect
1570 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1572 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1573 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1575 2012-01-10 Tom de Vries <tom@codesourcery.com>
1577 PR rtl-optimization/51271
1578 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1579 handling annulled branch.
1581 2012-01-10 Richard Henderson <rth@redhat.com>
1583 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1584 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1585 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1586 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1587 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1588 arm_expand_vec_perm_const): New.
1589 * config/arm/arm-protos.h: Update.
1590 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1591 (*neon_vswp<VDQX>): New.
1592 (neon_vcombine<VDX>): Use neon_split_vcombine.
1593 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1594 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1595 (vec_perm<VE>): New.
1597 2012-01-10 Richard Henderson <rth@redhat.com>
1599 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1600 use it if reload_completed.
1601 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1602 arm_output_asm_insn, arm_process_output_memory_barrier,
1603 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1604 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1605 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1606 arm_process_output_sync_insn, arm_output_sync_insn,
1607 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1608 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1609 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1610 (emit_unlikely_jump): New.
1611 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1612 (arm_split_atomic_op): New.
1613 * config/arm/arm-protos.h: Update.
1614 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1615 (struct arm_sync_generator): Remove.
1616 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1617 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1618 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1619 (VUNSPEC_LL, VUNSPEC_SC): New.
1620 (sync_result, sync_memory, sync_required_value, sync_new_value,
1621 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1622 (attr length): Don't use arm_sync_loop_insns.
1623 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1624 (movsfcc, movdfcc): Likewise.
1625 * config/arm/constraints.md (Ua): New.
1626 * config/arm/prediates.md (mem_noofs_operand): New.
1627 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1628 (sync_clobber, sync_t2_reqd): Remove.
1629 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1630 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1631 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1632 (arm_sync_compare_and_swap<SIDI>): Remove.
1633 (arm_sync_compare_and_swap<NARROW>): Remove.
1634 (arm_sync_lock_test_and_set<SIDI>): Remove.
1635 (arm_sync_lock_test_and_set<NARROW>): Remove.
1636 (arm_sync_new_<syncop><SIDI>): Remove.
1637 (arm_sync_new_<syncop><NARROW>): Remove.
1638 (arm_sync_new_nand<SIDI>): Remove.
1639 (arm_sync_new_nand<NARROW>): Remove.
1640 (arm_sync_old_<syncop><SIDI>): Remove.
1641 (arm_sync_old_<syncop><NARROW>): Remove.
1642 (arm_sync_old_nand<SIDI>): Remove.
1643 (arm_sync_old_nand<NARROW>): Remove.
1644 (*memory_barrier): Merge arm_output_memory_barrier.
1645 (atomic_compare_and_swap<QHSD>): New.
1646 (atomic_compare_and_swap<NARROW>_1): New.
1647 (atomic_compare_and_swap<SIDI>_1): New.
1648 (atomic_exchange<QHSD>): New.
1649 (cas_cmp_operand, cas_cmp_str): New.
1650 (atomic_op_operand, atomic_op_str): New.
1651 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1652 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1653 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1654 (arm_load_exclusive<NARROW>): New.
1655 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1656 (arm_store_exclusive<QHSD>): New.
1658 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1660 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1661 reload patterns if -mvsx-scalar-memory.
1663 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1664 generated, even -mno-vsx-scalar-double was used.
1665 (vsx_xscvdpsp_scalar): Likewise.
1666 (vsx_xscvspdp_scalar2): Likewise.
1668 2012-01-09 Tom de Vries <tom@codesourcery.com>
1669 Andrew Pinski <apinski@cavium.com>
1672 * reorg.c (fill_slots_from_thread): Don't speculate
1673 frame-related insns.
1675 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1677 * sched-int.h (bb_note): Move to...
1678 * basic-block.h: ...here.
1679 * haifa-sched.c (bb_note): Move to...
1680 * cfgrtl.c: ...here.
1681 * function.c (next_block_for_reg): New function.
1682 (move_insn_for_shrink_wrap): Likewise.
1683 (prepare_shrink_wrap): Rewrite to use the above.
1685 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1687 * gimple.c (is_gimple_non_addressable): Remove.
1688 * gimple.h: Remove is_gimple_non_addressable.
1689 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1690 is_gimple_non_addressable.
1691 * trans-mem.c (expand_assign_tm): Same.
1693 2012-01-09 Richard Guenther <rguenther@suse.de>
1695 PR tree-optimization/51775
1696 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1697 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1699 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1701 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1703 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1705 2012-01-09 Richard Guenther <rguenther@suse.de>
1707 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1709 2012-01-08 Jan Hubicka <jh@suse.cz>
1711 PR tree-optimize/51680
1712 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1713 on when known_vals needs to be computed; cleanup.
1715 2012-01-08 Jan Hubicka <jh@suse.cz>
1717 PR tree-optimize/51694
1718 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1720 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1722 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1723 for -std=c++98 and -std=c++11 too.
1725 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1727 * cfgloop.c (cancel_loop): Add free() of bbs array.
1729 2012-01-07 Jan Hubicka <jh@suse.cz>
1731 PR tree-optimization/51600
1732 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1733 that benefits small functions.
1735 2012-01-07 Jan Hubicka <jh@suse.cz>
1737 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1739 2012-01-07 Jan Hubicka <jh@suse.cz>
1741 PR tree-optimization/51680
1742 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1743 whose inlining reduce unit size.
1745 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1748 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1749 Add canonical node to containing_mem chain after the non-canonical
1750 one, even if there weren't any locs to propagate.
1751 (remove_useless_values): Keep only canonical values.
1752 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1753 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1754 canonicalize mem_chain elements that are not discarded.
1756 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1759 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1760 before emitting functions.
1762 PR gcov-profile/50127
1763 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1764 clear_aux_for_blocks.
1766 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1769 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1771 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1773 * c-decl.c (ext_block): Moved up.
1774 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1776 2012-01-06 Han Shen <shenhan@google.com>
1778 Translate built-in include paths for sysroot.
1779 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1780 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1782 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1783 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1785 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1786 control whether sysroot should be prepended to gxx include dir.
1788 * configure: Regenerate.
1790 2012-01-06 Torvald Riegel <triegel@redhat.com>
1792 PR rtl-optimization/51771
1793 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1794 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1796 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1798 PR tree-optimization/51315
1799 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1800 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1802 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1805 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1806 for shrp pattern. Correctly handle and fixup shift variable.
1807 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1809 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1812 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1813 note when !ACCUMULATE_OUTGOING_ARGS.
1815 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1817 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1819 (extract_range_from_unary_expr_1): Avoid useless computations.
1821 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1823 PR rtl-optimization/51767
1824 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1825 of jump_block and add an extra edge for degenerated asm gotos.
1828 * stmt.c (check_unique_operand_names): Don't ICE during error
1829 reporting if i is from labels chain.
1832 * profile.c (branch_prob): Split bbs that have exit edge
1833 and need a fake entry edge too.
1835 2012-01-05 Jan Hubicka <jh@suse.cz>
1838 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1841 2012-01-05 Richard Guenther <rguenther@suse.de>
1844 * tree-streamer-out.c (write_ts_optimization): New function.
1845 (streamer_write_tree_body): Call it.
1846 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1847 (streamer_read_tree_body): Call it.
1848 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1850 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1853 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1854 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1855 in_cleanup_point_expr before gimplify_stmt call and restore it
1857 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1858 in_cleanup_point_expr is false.
1860 2012-01-05 Richard Guenther <rguenther@suse.de>
1863 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1865 * toplev.c (process_options): Reject combining mudflap and LTO.
1866 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1868 2012-01-05 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/51760
1871 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1873 (bit_value_unop): Handle UNDEFINED operands.
1874 (bit_value_binop): Likewise.
1876 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1878 * config/avr/avr.c (avr_replace_prefix): Remove.
1879 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1880 (avr_asm_function_rodata_section): Ditto.
1881 (avr_asm_select_section): Ditto.
1883 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1885 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1888 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1891 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1892 calls that have any non-fake successor edges.
1895 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1897 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1899 PR tree-optimization/51624
1900 * tree-sra.c (build_ref_for_model): When replicating a chain of
1901 COMPONENT_REFs, stop as soon as the offset would become negative.
1903 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1906 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1907 in .debug_loc on the floor.
1909 2012-01-04 Andrew Pinski <apinski@cavium.com>
1911 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1913 2012-01-04 Andrew Pinski <apinski@cavium.com>
1914 Adam Nemet <anemet@caviumnetworks.com>
1916 * config/mips/mips.md (size): Add SI and DI.
1917 (SIZE): New mode attribute.
1918 (U): New code attribute.
1919 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1920 (mips_lbux_<mode>): Delete.
1921 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1922 (mips_lhx): Use gen_mips_lhx_extsi.
1923 (mips_lhx_<mode>): Delete.
1925 (mips_l<size>x): New expand.
1926 (mips_lwx_<mode>): Delete.
1927 (mips_l<GPR:size>x_<P:mode>): New pattern.
1928 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1929 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1930 * config/mips/mips.c (mips_lx_address_p): New function.
1931 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1932 (dsp64): New availability predicate.
1933 (mips_builtins): Add an entry for __builtin_mips_ldx.
1934 * config/mips/mips.h (ISA_HAS_LBX): New define.
1935 (ISA_HAS_LBUX): Likewise.
1936 (ISA_HAS_LHX): Likewise.
1937 (ISA_HAS_LHUX): Likewise.
1938 (ISA_HAS_LWX): Likewise.
1939 (ISA_HAS_LWUX): Likewise.
1940 (ISA_HAS_LDX): Likewise.
1941 * doc/extend.texi (__builtin_mips_ldx): Document.
1943 2012-01-04 Tristan Gingold <gingold@adacore.com>
1945 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1946 when long pointers are used.
1947 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1948 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1949 (ia64-hp-*vms*): Remove.
1950 * config/vms/xm-vms64.h: Delete.
1952 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1955 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1957 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1959 * opts.c (finish_options): Remove duplicate sorry.
1961 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1964 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1967 2012-01-04 Richard Guenther <rguenther@suse.de>
1970 * tree.c (size_low_cst): New function.
1971 * tree.h (size_low_cst): Declare.
1972 * fold-const.c (fold_comparison): Use it to extract the low
1973 part of the POINTER_PLUS_EXPR offset.
1975 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1977 Fix clearing ZERO_REG
1978 * config/avr/avr.md (cc): Add alternative "ldi".
1979 (movqi_insn): Use it in cc attribute.
1980 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1981 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1982 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1984 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1986 * configure: Regenerate.
1988 2012-01-04 Richard Guenther <rguenther@suse.de>
1990 PR tree-optimization/49651
1991 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1992 (var_can_have_subvars): Use it.
1993 (get_constraint_for_1): Only consider subfields if there can be any.
1995 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1998 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1999 to its new canonical_cselib_val and the cselib_val was in
2000 first_containing_mem chain, but the canonical_cselib_val was not,
2001 add the latter into the chain.
2002 (cselib_invalidate_mem): Compare canonical_cselib_val of
2003 addr_list chain elt with v.
2006 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2007 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2009 (output_macinfo_op): Don't ggc_strdup fd->filename.
2010 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2011 then ggc_strdup it. Don't free inc->info or cur->info.
2012 (output_macinfo): Don't free ref->info or file->info.
2014 2012-01-03 Ira Rosen <irar@il.ibm.com>
2016 PR tree-optimization/51269
2017 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2018 first_niters a pointer.
2019 (slpeel_tree_peel_loop_to_edge): Likewise.
2020 (vect_do_peeling_for_loop_bound): Update call to
2021 slpeel_tree_peel_loop_to_edge.
2022 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2023 here. Remove it from the parameters list.
2024 (vect_do_peeling_for_alignment): Update calls and compute
2027 2012-01-03 Richard Guenther <rguenther@suse.de>
2029 PR tree-optimization/51070
2030 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2031 Properly handle calls.
2033 2012-01-03 Richard Guenther <rguenther@suse.de>
2035 PR tree-optimization/51692
2036 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2037 the LHS of allocation stmts.
2039 2012-01-03 Olivier Hainque <hainque@adacore.com>
2041 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2043 2012-01-03 Olivier Hainque <hainque@adacore.com>
2045 * collect2.c (main): In AIX specific computations for vector
2046 insertions, use CONST_CAST2 to cast from char ** to const char **.
2048 2012-01-03 Richard Guenther <rguenther@suse.de>
2051 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2052 the context of a limbo DIE when it does not already exist.
2054 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2056 PR tree-optimization/51719
2057 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2058 but direct call is, clear direct call's lhs and don't add fallthrough
2059 edge from dcall_bb to join_bb and PHIs.
2061 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2063 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2064 the instructions emitted by the pattern.
2065 ("*TDC_insn_<mode>"): Add comment.
2067 2012-01-03 Richard Guenther <rguenther@suse.de>
2070 * fold-const.c (fold_comparison): Properly canonicalize
2071 tree offset and HOST_WIDE_INT bit position.
2073 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2075 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2076 operands for extzv pattern.
2078 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2081 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2084 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2086 * doc/invoke.texi (-flto and related options): Copy-edit.
2088 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2090 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2092 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2094 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2097 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2099 * expr.h (move_by_pieces_ninsns): Declare.
2100 * expr.c (move_by_pieces_ninsns): Make external.
2101 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2102 (mips_store_by_pieces_p): Likewise.
2103 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2104 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2105 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2106 (mips_store_by_pieces_p): Likewise.
2108 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2110 * passes.c (register_one_dump_file): Free full_name.
2112 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2113 (calculate_elim_costs_all_insns): Free offsets_at and
2114 offsets_known_at at the end and clear the pointers.
2116 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2118 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2119 this option introduced in r180739.
2121 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2124 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2125 (tmake_file target=avr): Add avr/t-multilib.
2127 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2128 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2129 * config/avr/genmultilib.awk: New file.
2130 * config/avr/t-multilib: New auto-generated file.
2131 * config/avr/multilib.h: New auto-generated file.
2132 * config/avr/t-avr (AVR_MCUS): New variable.
2133 (genopt.sh): Use it.
2134 (s-mlib): Depend on t-multilib.
2135 (t-multilib, multilib.h): New dependencies.
2136 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2137 (MULTILIB_OPTIONS): Remove.
2138 (MULTILIB_MATCHES): Remove.
2139 (MULTILIB_DIRNAMES): Remove.
2140 (MULTILIB_EXCEPTIONS): Remove:
2141 * config/avr/genopt.sh: Don't use hard coded file name;
2142 pass AVR_MCUS from t-avr instead.
2144 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2146 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2148 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2150 Implement light-weight DImode support.
2151 * config/avr/avr-dimode.md: New file.
2152 * config/avr/avr.md: Include it.
2153 (adjust_len): Add plus64, compare64.
2154 (HIDI): Remove code iterator.
2155 (code_stdname): New code attribute.
2156 (rotx, rotsmode): Remove DI.
2157 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2159 * config/avr/avr-protos.h (avr_have_dimode): New.
2160 (avr_out_plus64, avr_out_compare64): New.
2161 * config/avr/avr.c (avr_out_compare): Handle DImode.
2162 (avr_have_dimode): New variable definition and initialization.
2163 (avr_out_compare64, avr_out_plus64): New functions.
2164 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2165 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2166 (avr_compare_pattern): Skip DImode comparisons.
2168 2012-01-02 Revital Eres <revital.eres@linaro.org>
2170 * ddg.c (def_has_ccmode_p): New function.
2171 (add_cross_iteration_register_deps,
2172 create_ddg_dep_from_intra_loop_link): Call it.
2174 2012-01-02 Richard Guenther <rguenther@suse.de>
2177 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2179 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2181 * gcc.c (process_command): Update copyright notice dates.
2182 * gcov.c (print_version): Likewise.
2183 * gcov-dump.c (print_version): Likewise.
2184 * mips-tfile.c (main): Likewise.
2185 * mips-tdump.c (main): Likewise.
2187 2012-01-01 Ira Rosen <irar@il.ibm.com>
2189 PR tree-optimization/51704
2190 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2191 a use is inside the basic block or loop before accessing its vect info.
2193 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2195 PR rtl-optimization/51069
2196 * cfgloopmanip.c (remove_path): Removing path making irreducible
2197 region unconditional makes BB part of the region.
2199 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2201 PR tree-optimization/51683
2202 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2203 calls with side-effects.
2204 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2206 Copyright (C) 2012 Free Software Foundation, Inc.
2208 Copying and distribution of this file, with or without modification,
2209 are permitted in any medium without royalty provided the copyright
2210 notice and this notice are preserved.