1 2012-02-07 Jakub Jelinek <jakub@redhat.com>
3 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
4 or LTOPLUGINSONAME if have_c.
6 * config/freebsd-spec.h: Add comment about what macros can be defined
8 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
9 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
12 2012-02-07 Richard Guenther <rguenther@suse.de>
14 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
15 newline in -alias dumps.
17 2012-02-07 Kai Tietz <ktietz@redhat.com>
18 Dave Korn <dave.korn.cygwin@gmail.com>
21 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
22 Take care that typinfo gets dllexport-attribute.
24 2012-02-07 Jakub Jelinek <jakub@redhat.com>
27 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
28 if modifier < EXPAND_SUM call force_operand on the result.
30 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
32 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
33 adding __forwarder_dst__ prefix if a forwarder_section attribute is
35 (epiphany_function_type): Replace types for specific interrupts with
36 EPIPHANY_FUNCTION_INTERRUPT.
37 (EPIPHANY_INTERRUPT_P): Update.
38 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
40 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
41 <disinterrupt>: Affects type identity.
42 (epiphany_handle_interrupt_attribute): Handle variable number of
44 (epiphany_compute_function_type): Update for new
45 epiphany_function_type definition.
46 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
47 handlers with a longcall forwarder.
48 (epiphany_start_function): Handle multiple interrupt arguments and/or
49 forwarder_section attribute.
51 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
53 2012-02-07 Alan Modra <amodra@gmail.com>
56 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
59 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
61 PR tree-optimization/50969
62 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
63 use vec_perm rather than vector_stmt.
64 (vect_model_load_cost): Likewise.
65 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
66 vec_perm to be the same as other vector statements.
67 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
68 cost of vec_perm for TARGET_VSX.
70 2012-02-06 Richard Guenther <rguenther@suse.de>
72 PR tree-optimization/52115
73 * tree-sra.c (access_has_replacements_p): New function.
74 (sra_modify_assign): Use it to decide whether a use is uninitialized.
76 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
79 * trans-mem.c (expand_call_tm): Add an assertion.
80 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
83 2012-02-06 Richard Guenther <rguenther@suse.de>
85 PR tree-optimization/50955
86 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
87 raise cost of expressions that replace an address with an
88 expression based on a different pointer.
90 2012-02-06 Jakub Jelinek <jakub@redhat.com>
93 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
94 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
96 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
99 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
100 -Weffc++ and specify guidelines come from second edition.
102 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
104 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
105 (sibcall_value_multiple_internal, call_split, call_internal_direct)
106 (call_direct_split, call_value_split, call_value_internal_direct)
107 (call_value_direct_split, call_value_multiple_split): Use jal and
108 jal_macro attributes.
110 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
112 * reload1.c (reload_regs_reach_end_p): Replace with...
113 (reload_reg_rtx_reaches_end_p): ...this function.
114 (new_spill_reg_store): Update commentary.
115 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
116 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
117 before setting new_spill_reg_store.
118 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
119 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
120 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
121 for non-spill reload registers.
123 2012-02-05 Ira Rosen <irar@il.ibm.com>
125 PR tree-optimization/52091
126 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
127 (vect_is_simple_use_1): Likewise.
128 * tree-vect-loop.c (vectorizable_reduction): Update calls
129 to vect_is_simple_use_1 and vect_is_simple_use.
130 (vectorizable_live_operation): Likewise.
131 * tree-vect-patterns.c (widened_name_p,
132 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
134 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
135 vectorizable_call, vectorizable_conversion,
136 vectorizable_assignment, vectorizable_shift,
137 vectorizable_operation, vectorizable_store, vectorizable_load):
139 (vect_is_simple_cond): Add an argument, pass it to
140 vect_is_simple_use_1.
141 (vectorizable_condition): Update calls to vect_is_simple_cond,
143 (vect_is_simple_use): Add an argument, the statement in which
144 OPERAND is used. Check that if OPERAND's def stmt is a double
145 reduction phi node, the use is a phi node too.
146 (vect_is_simple_use_1): Add an argument, pass it to
148 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
149 to vect_is_simple_use.
151 2012-02-04 Jakub Jelinek <jakub@redhat.com>
153 PR rtl-optimization/52095
154 * modulo-sched.c (dump_insn_locator): New function.
155 (loop_canon_p, sms_schedule): Use it.
157 PR rtl-optimization/52113
158 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
159 even for decomposable shift/zext insns.
161 2012-02-03 Jakub Jelinek <jakub@redhat.com>
162 Zdenek Dvorak <ook@ucw.cz>
164 PR rtl-optimization/52092
165 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
166 on get_iv_value result.
168 2012-02-02 Andrew Pinski <apinski@cavium.com>
172 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
174 2012-02-02 Jakub Jelinek <jakub@redhat.com>
177 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
179 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
181 PR rtl-optimization/49800
182 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
183 (sched_finish): Call regstat_free_n_sets_and_refs.
185 2012-02-02 Jia Liu <proljc@gmail.com>
187 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
190 2012-02-02 Jan Hubicka <jh@suse.cz>
191 Tom de Vries <tom@codesourcery.com>
194 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
195 * varpool.c (varpool_analyze_pending_decls): Likewise.
197 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
198 Jayant R Sonar <jayant.sonar@kpitcummins.com>
200 * config.gcc: Add cr16-* support.
202 * doc/extend.texi: Document cr16 extensions.
203 * doc/install.texi: Document cr16 install.
204 * doc/invoke.texi: Document cr16 options.
205 * doc/md.texi: Document cr16 constraints.
207 * common/config/cr16/cr16-common.c: New file.
208 * config/cr16/cr16.c: New file.
209 * config/cr16/cr16.h: New file.
210 * config/cr16/cr16.md: New file.
211 * config/cr16/cr16.opt: New file.
212 * config/cr16/cr16-protos.h: New file.
213 * config/cr16/predicates.md: New file.
214 * config/cr16/constraints.md: New file.
215 * config/cr16/t-cr16: New file.
217 2012-02-02 Jakub Jelinek <jakub@redhat.com>
220 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
221 that operands[2] is either immediate, or q_regs_operand.
223 PR tree-optimization/52073
224 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
225 a pattern stmt for pattern uses, ignore uses outside of the loop.
227 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
229 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
230 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
231 (OUT_AS1, OUT_AS2): Remove.
233 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
235 PR rtl-optimization/51374
236 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
237 to cross other volatile_refs_p insns.
239 2012-02-01 Richard Guenther <rguenther@suse.de>
241 * doc/invoke.texi (fno-inline): Clarify documentation.
242 (finline-small-functions): Likewise.
243 (finline-functions): Likewise.
244 * common.opt (finline): Adjust comment and documentation.
245 (finline-small-functions): Clarify documentation.
246 (finline-functions): Likewise.
247 (finline-functions-called-once): Likewise.
249 2012-02-01 Tristan Gingold <gingold@adacore.com>
251 * c-typeck.c (composite_type): Keep mode for pointers.
253 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
255 * function.h (regno_reg_rtx): Adjust comment.
256 * reginfo.c (init_reg_modes_target): Only use the previous mode
257 if it fits within one register. Remove MIPS comment.
259 2012-01-31 Jakub Jelinek <jakub@redhat.com>
262 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
264 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
266 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
269 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
271 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
274 2012-01-31 Jakub Jelinek <jakub@redhat.com>
279 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
281 2012-01-31 Richard Guenther <rguenther@suse.de>
283 PR tree-optimization/51528
284 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
287 2012-01-31 Jakub Jelinek <jakub@redhat.com>
292 * ree.c (add_removable_extension): Change def_map argument
293 to unsigned *, store in def_map 1 + offset into *insn_list vector
294 instead of pointers into the vector.
295 (find_removable_extensions): Adjust caller.
297 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
299 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
300 Transform all "* quoted-c-code" to { c-code }.
301 Remove redundant test for "optimize" in combine patterns.
302 Move (include "avr-dimode.md") to end of file.
304 2012-01-30 Bin Cheng <bin.cheng@arm.com>
307 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
308 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
310 2012-01-30 Richard Guenther <rguenther@suse.de>
312 PR tree-optimization/52028
313 * tree-loop-distribution.c (ldist_gen): Properly update
316 2012-01-30 Jakub Jelinek <jakub@redhat.com>
319 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
320 set_cur_line_info_table if not emitting debug info.
322 PR tree-optimization/52046
323 * tree-vect-patterns.c (check_bool_pattern): Give up if
324 a comparison could throw.
327 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
329 2012-01-30 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/52045
332 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
333 SSA form if cfgcleanup did anything.
335 2012-01-30 Richard Guenther <rguenther@suse.de>
337 PR tree-optimization/52045
338 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
339 before computing final todo.
341 2012-01-30 Richard Guenther <rguenther@suse.de>
343 PR tree-optimization/51528
344 * tree-sra.c (sra_modify_assign): Re-factor in preparation
347 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
349 * df-problems.c (df_kill_notes): Check that the use refers
350 to the note under examination.
352 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
355 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
356 parameter and use short-lived pseudos.
357 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
358 (sparc_expand_vector_init): Const-ify local variables and adjust
359 calls to above functions.
361 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
363 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
365 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
367 * doc/invoke.texi: Make usage of "compile time" and
368 "run time"/"runtime" consistent throughout the file.
370 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
372 * config/alpha/alpha.c (alpha_option_overrride): Default to
373 full IEEE compliance mode for Go language.
375 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
377 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
378 (LINK_SSP_SPEC): Define.
380 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
383 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
386 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
388 * doc/invoke.texi: Correct hyphenation of "floating point",
389 "double precision", and related terminology throughout the file.
391 2012-01-28 Jakub Jelinek <jakub@redhat.com>
394 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
395 arm_general_register_operand predicate for operand 2 instead of
398 2012-01-27 Ian Lance Taylor <iant@google.com>
401 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
402 * builtins.c (expand_builtin_init_trampoline): Add onstack
403 parameter. Change caller.
404 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
405 * tree.c (build_common_builtin_nodes): Declare
406 __builtin_init_heap_trampoline.
408 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
410 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
411 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
412 * config/avr/avr.c: Ditto.
413 (avr_regnames): Remove because unused.
414 * config/avr/avr.md (*cpse.ne): New peephole.
415 (*cpse.eq): New peephole from former cpse peepholes.
417 2012-01-27 Michael Eager <eager@eagercon.com>
419 * config/microblaze.c (microblaze_emit_compare): Correct
420 test after pcmp instruction.
422 2012-01-27 Richard Guenther <rguenther@suse.de>
424 PR tree-optimization/52020
425 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
427 2012-01-27 Richard Guenther <rguenther@suse.de>
429 * ipa-pure-const.c (check_stmt): Clobbers do not make a
430 function non-const/pure.
432 2012-01-27 Richard Guenther <rguenther@suse.de>
434 PR tree-optimization/50444
435 * tree-sra.c (build_ref_for_offset): Properly adjust the
436 MEM_REF type for unaligned accesses.
438 2012-01-27 Richard Guenther <rguenther@suse.de>
440 PR tree-optimization/50444
441 * expr.c (mem_ref_refers_to_non_mem_p): New function.
442 (expand_assignment): Use it. Properly handle misaligned
443 bases when expanding stores to component references.
444 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
447 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
450 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
451 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
452 * tree-data-ref.c (find_data_references_in_loop): Make static.
453 (compute_all_dependences): Change return type to bool. Bail out
454 for too many datarefs in a loop. Move the hunk resetting the data
455 dependences vector from ...
456 (compute_data_dependences_for_loop): ... here. Account for
457 compute_all_dependences returning false.
458 (compute_data_dependences_for_bb): Likewise.
459 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
460 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
462 2012-01-27 Richard Guenther <rguenther@suse.de>
465 * expr.c (store_field): Use the alias-set of the scratch memory
468 2012-01-27 Tom de Vries <tom@codesourcery.com>
470 PR tree-optimization/51990
471 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
473 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
475 2012-01-27 Jakub Jelinek <jakub@redhat.com>
478 * var-tracking.c (reverse_op): Don't add any reverse operation
479 if V already has any constant locations.
481 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
483 * doc/invoke.texi: Correct usage of "command line" (noun)
484 vs "command-line" (adjective) throughout.
486 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
488 * doc/invoke.texi (Language Independent Options): Move
489 -Wcoverage-mismatch blurb from here....
490 (Warning Options): ...to here.
492 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
494 * config/rs6000/rs6000.c (rs6000_option_override_internal):
495 Set rs6000_always_hint to false for 476.
497 2012-01-27 Matthias Klose <doko@ubuntu.com>
499 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
501 * incpath.c (add_standard_paths): Likewise.
503 2012-01-27 Richard Henderson <rth@redhat.com>
505 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
506 * config/m68k/sync.md (atomic_test_and_set): Rename from
507 sync_test_and_setqi and adjust the operands.
508 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
509 and unconditionally enable.
511 2012-01-27 Richard Henderson <rth@redhat.com>
513 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
514 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
515 (ldstub): Rename from ldstubqi.
516 (ldstub<I24MODE>): Remove.
518 2012-01-27 Richard Henderson <rth@redhat.com>
520 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
521 * c-cppbuiltin.c (cpp_atomic_builtins): Define
522 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
523 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
524 * doc/tm.texi: Rebuild.
526 2012-01-27 Richard Henderson <rth@redhat.com>
528 * optabs.c (gen_atomic_test_and_set): Remove default.
529 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
531 2012-01-26 Jakub Jelinek <jakub@redhat.com>
533 PR rtl-optimization/51978
534 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
535 (combine_reaching_defs): Likewise.
536 (struct re_info): Remove.
537 (add_removable_extension): Remove x and data arguments,
538 add insn, insn_list and def_map. Use the arguments directly
539 instead of using struct re_info.
540 (find_removable_extensions): Don't call add_removable_extension
541 through note_stores, instead just call it with single_set
543 (find_and_remove_re): Pass curr_cand->expr instead of
544 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
546 2012-01-26 Michael Matz <matz@suse.de>
548 PR tree-optimization/46590
549 * cfgexpand.c: Revert last change (r183305).
550 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
552 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
553 checking for emptiness.
555 2012-01-26 Jakub Jelinek <jakub@redhat.com>
558 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
559 non-addressable non-BLKmode base correctly.
561 2012-01-26 Michael Matz <matz@suse.de>
563 PR tree-optimization/48794
564 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
565 regions referenced from RESX/EH_DISPATCH.
567 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
569 * config/s390/s390.h: Make BRANCH_COST an option.
570 * config/s390/s390.opt: New option -mbranch-cost.
572 2012-01-26 Richard Henderson <rth@redhat.com>
574 Revert 2012-01-24 change:
575 * trans-mem.c (requires_barrier): Do not instrument thread local
576 variables and emit save/restore for them.
578 2012-01-25 Jakub Jelinek <jakub@redhat.com>
581 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
584 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
586 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
589 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
592 Rename __pgm to __flash.
593 Rename __pgm1 to __flash1.
594 Rename __pgm2 to __flash2.
595 Rename __pgm3 to __flash3.
596 Rename __pgm4 to __flash4.
597 Rename __pgm5 to __flash5.
598 Rename __pgmx to __memx.
599 * doc/extend.texi (AVR Named Address Spaces)
600 Rename address space names as indicated above.
601 * config/avr/avr.c (avr_addrspace): Ditto.
603 * config/avr/avr-protos.h
604 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
605 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
606 * config/avr/predicates.md: Ditto.
607 * config/avr/avr.c Ditto, and
608 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
609 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
611 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
612 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
613 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
614 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
615 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
616 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
617 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
618 * config/avr/avr.c: Ditto.
619 * config/avr/avr.md: Ditto.
621 2012-01-25 Jason Merrill <jason@redhat.com>
624 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
626 2012-01-25 Jakub Jelinek <jakub@redhat.com>
628 PR tree-optimization/51987
629 * tree-data-ref.c (get_references_in_stmt): Handle references in
630 non-volatile GIMPLE_ASM.
632 2012-01-25 Richard Guenther <rguenther@suse.de>
634 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
635 bases are dereferenced.
637 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
639 PR rtl-optimization/48374
640 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
642 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
644 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
645 compute_data_dependences_for_loop returns false.
646 * tree-parloops.c (loop_parallel_p): Likewise.
648 2012-01-25 Richard Guenther <rguenther@suse.de>
650 * tree.h (get_pointer_alignment_1): Declare.
651 * builtins.c (get_pointer_alignment_1): New function.
652 (get_pointer_alignment): Use it.
654 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
656 PR rtl-optimization/48308
657 * combine.c (enum undo_kind): Add UNDO_LINKS.
658 (struct undo): Add member l to other_contents and where.
659 (do_SUBST_LINK): New.
661 (try_combine): Handle LOG_LINKS for the dummy i1 case.
662 (undo_all): Handle UNDO_LINKS.
664 2012-01-25 Richard Henderson <rth@redhat.com>
666 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
669 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
671 * optabs.c (gen_atomic_test_and_set): Use each argument.
673 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
675 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
676 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
677 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
678 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
679 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
680 TARGET_PAIRED_SINGLE_FLOAT.
682 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
684 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
685 (in_struct, return_val): Remove MEM documentation.
686 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
687 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
688 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
690 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
691 * cfgexpand.c (add_alias_set_conflicts): Likewise.
692 * expr.c (store_field): Likewise.
693 * function.c (assign_stack_temp_for_type): Likewise.
694 * ifcvt.c (noce_try_cmove_arith): Likewise.
695 * reload1.c (reload): Likewise.
696 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
697 (alpha_set_memflags): Likewise.
698 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
700 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
702 * rtl.h (true_dependence, canon_true_dependence): Remove varies
704 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
705 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
706 (true_dependence_1, true_dependence, canon_true_dependence): Remove
708 * cselib.c (cselib_rtx_varies_p): Delete.
709 (cselib_invalidate_mem): Update call to canon_true_dependence.
710 * dse.c (record_store, check_mem_read_rtx): Likewise.
711 (scan_reads_nospill): Likewise.
712 * cse.c (check_dependence): Likewise.
713 (cse_rtx_varies_p): Delete.
714 * expr.c (safe_from_p): Update call to true_dependence.
715 * ira.c (validate_equiv_mem_from_store): Likewise.
716 (memref_referenced_p): Likewise.
717 * postreload-gcse.c (find_mem_conflicts): Likewise.
718 * sched-deps.c (sched_analyze_2): Likewise.
719 * store-motion.c (load_kills_store): Likewise.
720 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
721 * gcse.c (mems_conflict_for_gcse_p): Likewise.
722 (compute_transp): Update call to canon_true_dependence.
724 2012-01-25 Richard Henderson <rth@redhat.com>
726 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
727 (maybe_emit_atomic_test_and_set): New.
728 (expand_sync_lock_test_and_set): Use it.
729 (expand_atomic_test_and_set): Likewise.
730 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
731 the implementation; clarify implementation defined details.
732 * doc/md.texi (atomic_test_and_set): Document.
734 2012-01-25 Richard Henderson <rth@redhat.com>
736 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
738 2012-01-25 Richard Henderson <rth@redhat.com>
741 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
742 to effect no-op split.
744 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
747 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
748 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
749 (BT_FN_VOID_PTR_INT_SIZE): New.
750 (BT_FN_UINT_UINT_VAR): Remove.
751 (BT_FN_UINT32_UINT32_VAR): New.
752 (BT_FN_DOUBLE_VPTR): Remove.
753 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
755 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
756 (_ITM_changeTransactionMode): Same.
757 (_ITM_memmoveRtWt): Change return type to void.
758 (_ITM_memcpyRtWt): Same.
759 (_ITM_memsetW): Same.
760 (_ITM_RaRD): Change types to double.
765 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
767 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
768 Patrick Marlier <patrick.marlier@gmail.com>
770 * trans-mem.c (requires_barrier): Do not instrument thread local
771 variables and emit save/restore for them.
773 2012-01-24 Jason Merrill <jason@redhat.com>
776 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
777 output static aliases.
779 2012-01-24 Jakub Jelinek <jakub@redhat.com>
782 * common.opt (-pie, -shared, pie, shared): Change from Common to
784 * gcc.c (display_help): Display help for -pie and -shared.
786 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
789 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
790 Remove note on size/offset limitation.
791 (AVR Variable Attributes): Add example how to read data located
792 with progmem. Refer to named address spaces.
793 * doc/invoke.texi (AVR Options): Fix typo.
795 2012-01-24 Richard Guenther <rguenther@suse.de>
797 Forward-port to trunk
798 2010-09-21 Jakub Jelinek <jakub@redhat.com>
801 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
802 op0 isn't sufficiently aligned and there is movmisalignM
803 insn for mode, use it to load op0 into a temporary register.
805 2012-01-24 Jakub Jelinek <jakub@redhat.com>
808 * target.def (const_not_ok_for_debug_p): New hook.
809 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
811 * doc/tm.texi: Regenerated.
812 * dwarf2out.c (const_ok_for_output_1): If
813 targetm.const_not_ok_for_debug_p returns true, fail.
814 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
816 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
818 2012-01-23 Kai Tietz <ktietz@redhat.com>
821 * config/i386/predicates.md (symbolic_operand): Allow
822 UNSPEC_PCREL as PIC expression for lea.
823 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
824 * config/i386/i386.c (ix86_delegitimize_address): Handle
825 UNSPEC_PCREL for none-MEM, too.
827 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
829 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
830 (ipa_tm_create_version_alias): Same.
832 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
835 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
836 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
838 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
839 Patrick Marlier <patrick.marlier@gmail.com>
840 Iain Sandoe <developer@sandoe-acoustics.co.uk>
843 * lto-wrapper.c (run_gcc): Pass the LTO section name to
844 simple_object_start_read.
846 2012-01-23 Richard Guenther <rguenther@suse.de>
849 PR tree-optimization/51895
850 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
851 parameter decomposition into BLKmode components.
853 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
855 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
856 fake variables for restrict-qualified pointers whose pointed-to type
857 contains a placeholder.
859 2012-01-23 Richard Guenther <rguenther@suse.de>
861 PR tree-optimization/51949
862 * ipa-split.c (execute_split_functions): Do not split malloc functions.
864 2012-01-23 Jakub Jelinek <jakub@redhat.com>
866 PR rtl-optimization/51933
867 * ree.c (transform_ifelse): Return true right away if dstreg is
868 already wider or equal to cand->mode.
869 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
870 (make_defs_and_copies_lists): Remove defs_list and copies_list
871 arguments, add state argument, just truncate state->work_list
872 instead of always allocating and freeing the vector. Assert that
873 get_defs succeeds instead of returning 2. Changed return type to bool.
874 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
875 have ext_src_mode, see if it has been modified already with the
876 right kind of extension and has been extended before from the
877 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
878 just return true. Remember the original mode in state->modified array.
879 (combine_reaching_defs): Add state argument. Don't allocate and
880 free here def_list, copied_list and vec vectors, instead just
881 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
882 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
883 Add state variable, clear vectors in it, initialize state.modified
884 if needed. Free all the vectors at the end and state.modified too.
885 Don't skip a candidate if the extension expression has been modified.
887 2012-01-22 Douglas B Rupp <rupp@gnat.com>
890 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
891 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
892 (extra_options) interix.opt -> i386/interix.opt"
893 (extra_objs):Add winnt-stubs.o
894 * configure.ac: Add interix to target_os .comm on PE check.
895 * configure: Regenerate.
896 * config/interix3.h: Delete and move bits to..
897 * config/interix.h: Delete and move bits to..
898 * config/i386/i386-interix3.h: Delete and move bits to..
899 * config/i386/i386-interix.h: ..here.
900 (TARGET_CPU_DEFAULT): Remove redefinition.
901 (TARGET_ASM_CONSTRUCTOR): Undefine.
902 (SUBTARGET_SWITCHES): Define for ms-bitfields.
903 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
904 (PTRDIFF_TYPE): Define.
905 (LONG_DOUBLE_TYPE_SIZE): Define.
906 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
907 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
908 (TARGET_SECTION_TYPE_FLAGS): Define.
909 (ASM_DECLARE_FUNCTION_NAME): Define.
910 (ASM_OUTPUT_EXTERNAL): Define.
911 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
912 (ASM_OUTPUT_ALIGNED_BSS): Define.
913 (PCC_BITFIELD_TYPE_MATTERS): Define.
914 (USE_CONST_SECTION): Define.
915 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
916 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
917 (SUPPORTS_ONE_ONLY): Remove.
918 (I386_PE_STRIP_ENCODING): Define.
919 * config/interix.opt: Delete and move bits to..
920 * config/i386/interix.opt: ..here. New.
921 (mpe-aligned-commons): Add.
922 * config/i386/t-interix: Add copyright header.
923 (winnt-stubs.o): Add rule.
925 2012-01-22 Jason Merrill <jason@redhat.com>
928 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
929 for extra name aliases.
931 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
933 PR rtl-optimization/51924
934 * ree.c (combine_set_extension): Improve debugging message.
935 (combine_reaching_defs): Likewise.
936 (get_defs): Rename confusingly named variable.
937 (find_and_remove_re): Skip a candidate if the extension expression has
940 2012-01-21 Robert Millan <rmh@gnu.org>
941 Gerald Pfeifer <gerald@pfeifer.com>
943 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
944 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
946 2012-01-20 Jakub Jelinek <jakub@redhat.com>
948 PR tree-optimization/51914
949 * tree-vect-stmts.c (vectorizable_conversion): For
950 cvt_type && modifier == WIDEN, put temporary with cvt_type
951 at the beginning of vec_dsts and set vec_dest to temporary
954 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
956 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
958 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
960 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
961 * config/rs6000/rs6000.c: Likewise.
963 2012-01-20 Jakub Jelinek <jakub@redhat.com>
966 * config/arm/arm.c (arm_count_output_move_double_insns): Call
967 output_move_double on a copy of operands array.
969 2012-01-20 Cary Coutant <ccoutant@google.com>
970 Dodji Seketeli <dodji@redhat.com>
973 * dwarf2out.c (copy_declaration_context): Return ref to parent
974 of declaration DIE, if necessary.
975 (remove_child_or_replace_with_skeleton): Add new parameter; update
976 caller. Place skeleton DIE under parent DIE of original declaration.
977 Move call to copy_declaration_context to here ...
978 (break_out_comdat_types): ... from here.
980 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
982 PR rtl-optimization/51856
983 * reload.c (find_reloads_subreg_address): Set the address_reloaded
986 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
989 * config/arm/arm.c (arm_print_operand): Correct output of alignment
990 hints for neon loads and stores.
992 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
996 * doc/extend.texi (Named Address Spaces): Split into subsections.
997 (AVR Named Address Spaces): New subsection.
998 (M32C Named Address Spaces): New subsection.
999 (RL78 Named Address Spaces): New subsection.
1000 (SPU Named Address Spaces): New subsection.
1001 (Variable Attributes): New anchor "AVR Variable Attributes".
1002 (AVR Variable Attributes): Rewrite and avoid wording
1003 "address space" in this context.
1004 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1005 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1006 (AVR Built-in Macros): New subsubsection therein.
1007 * doc/md.texi (AVR constraints): Remove "C04", "R".
1009 2012-01-20 Richard Guenther <rguenther@suse.de>
1011 PR tree-optimization/51903
1012 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1013 when removing stmts.
1015 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1018 * config/arm/arm.c (arm_load_pic_register): Use
1019 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1020 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1021 (arm_pic_static_addr): Likewise.
1022 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1023 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1024 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1025 (pic_load_addr_unified): New.
1027 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1030 * function.c (instantiate_virtual_regs_in_insn): Use
1031 delete_insn_and_edges when removing a wrong asm insn.
1033 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1035 PR rtl-optimization/40761
1036 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1037 Add new member loop_num.
1038 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1039 (ira_build): Remove the parameter.
1041 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1042 (ira.c): Do not build CFG loops for one region allocation. Remove
1043 argument from ira_build call.
1045 * ira-build.c (init_loop_tree_node): New function.
1046 (create_loop_tree_nodes): Use it. Separate the case when CFG
1047 loops are not built.
1048 (more_one_region_p): Check current_loops.
1049 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1051 (add_loop_to_tree): Process loop equal to NULL too.
1052 (form_loop_tree): Separate the case when CFG loops are not built.
1053 Use explicitly number for the root.
1054 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1056 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1057 instead of loop->num.
1058 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1059 (mark_all_loops_for_removal): Ditto.
1060 (remove_unnecessary_regions): Separate the case when CFG loops
1062 (ira_build): Remove the parameter. Use explicit number of regions
1063 when CFG loops are not built.
1065 * ira-color.c (print_loop_title): Separate the case for the root node.
1066 Use loop_num instead of loop->num.
1067 (move_spill_restore): Use loop_num instead of loop->num.
1069 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1070 (change_loop): Ditto.
1071 (change_loop): Use loop_num instead of loop->num.
1073 * ira-lives.c (process_bb_node_lives): Ditto.
1075 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1077 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1079 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1082 * tree-mudflap.c (mf_artificial): New function.
1083 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1084 mx_register_decls, mudflap_enqueue_decl): Use it.
1087 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1088 numbers in the insn pattern.
1090 2012-01-19 Michael Matz <matz@suse.de>
1092 PR tree-optimization/46590
1093 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1094 use it in remembering which conflicts we already created.
1095 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1098 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1101 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1102 (merge_and_complain): Same.
1104 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1107 * config/initfini-array.h: Guard content of the header
1108 with #ifdef HAVE_INITFINI_ARRAY.
1109 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1110 Add initfini-array.h to tm_file here.
1111 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1112 * config.gcc: Don't add initfini-array.h to tm_file here.
1113 * configure: Regenerated.
1115 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1117 PR rtl-optimization/51505
1118 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1119 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1120 (df_note_bb_compute): Update the call to df_kill_notes.
1122 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1124 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1126 2012-01-18 Richard Guenther <rguenther@suse.de>
1128 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1129 of conversions to void *.
1131 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1132 Richard Sandiford <rdsandiford@googlemail.com>
1136 * optabs.h (simplify_expand_binop): Declare.
1137 * optabs.c (simplify_expand_binop): Make global.
1138 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1139 endian targets if the source cannot be exactly covered by word
1142 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1145 * hard-reg-set.h (struct hard_reg_set_container): New type.
1146 * target.h (struct hard_reg_set_container): Forward declare.
1147 * target.def (set_up_by_prologue): New target hook.
1148 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1149 * doc/tm.texi: Regenerated.
1150 * function.c (thread_prologue_and_epilogue_insns): Change
1151 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1152 Call targetm.set_up_by_prologue on it.
1153 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1154 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1156 2012-01-17 Nick Clifton <nickc@redhat.com>
1158 * config/rx/rx.c (rx_can_use_simple_return): New function.
1159 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1160 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1162 2012-01-17 Richard Guenther <rguenther@suse.de>
1165 * expr.c (expand_assignment): Take address-space information
1166 from the address operand of MEM_REF and TARGET_MEM_REF.
1167 (expand_expr_real_1): Likewise.
1169 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1171 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1172 reload dump is requested.
1174 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1177 * trans-mem.c (requires_barrier): Call may_be_aliased.
1179 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1181 PR tree-optimization/51877
1182 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1183 call arguments and fndecls compare equal, instead return false if they
1184 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1185 both SSA_NAMEs that are valueized the same, or they satisfy
1188 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1190 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1192 * configure: Regenerate.
1194 2012-01-16 Jan Hubicka <jh@suse.cz>
1198 * convert.c (convert_to_integer): Use fold_convert for
1199 converting an INTEGER_CST to integer type.
1201 2012-01-16 Jason Merrill <jason@redhat.com>
1204 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1206 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1209 * config/s390/s390.c (s390_chunkify_start): Don't skip
1210 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1211 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1212 If insn is followed by NOTE_INSN_VAR_LOCATION or
1213 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1214 Don't use location of note insns.
1216 PR tree-optimization/51865
1217 * tree-inline.c (tree_function_versioning): Call remap_decl
1218 on DECL_RESULT whenever it has VOID_TYPE_P type.
1220 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1222 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1223 for calls to locally-binding MIPS16 functions if only the return
1224 type uses float regs.
1226 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1227 Richard Sandiford <rdsandiford@googlemail.com>
1229 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1230 (SYMBOL_32_HIGH): Likewise.
1231 (mips_output_tls_reloc_directive): Declare.
1232 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1233 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1234 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1235 (mips_lo_relocs, mips_hi_relocs): Make extern.
1236 (mips16_stub_function): Move up file.
1237 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1238 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1239 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1240 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1241 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1242 (mips_get_tp): Add MIPS16 support.
1243 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1244 Generalize DTPREL and TPREL handling.
1245 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1246 Add MIPS16 TLS support.
1247 (mips_output_tls_reloc_directive): New function.
1248 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1249 * config/mips/predicates.md (symbolic_operand_with_high)
1250 (tls_reloc_operand): New predicates.
1251 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1252 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1253 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1254 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1255 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1256 (*tls_get_tp_mips16_call_<mode>): Likewise.
1258 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1260 PR rtl-optimization/51821
1261 * recog.c (peep2_find_free_register): Determine clobbered registers
1264 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1267 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1268 * config/avr/avr.c: Likewise.
1269 * config/avr/avr.h: Likewise.
1271 2012-01-13 Ian Lance Taylor <iant@google.com>
1274 * tree.h (TYPE_QUALS): Add cast to int.
1275 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1277 2012-01-13 Ian Lance Taylor <iant@google.com>
1279 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1280 comparing param_index to VEC_length result.
1282 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1284 * c-decl.c: Do not include tree-mudflap.h
1285 * tree-optimize.c: Likewise.
1286 * Makefile.in: Update dependencies.
1288 2012-01-13 Richard Guenther <rguenther@suse.de>
1291 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1292 variable-sized result always use RSO.
1294 2012-01-12 DJ Delorie <dj@redhat.com>
1296 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1297 pointer type, not just the default pointer type.
1299 2012-01-09 Richard Henderson <rth@redhat.com>
1300 Denis Chertykov <chertykov@gmail.com>
1303 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1304 * config/avr/avr.c (avr_can_eliminate): Simplify.
1305 (avr_initial_elimination_offset): Likewise.
1306 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1307 (expand_epilogue): Likewise.
1308 (avr_legitimize_address): Gut.
1309 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1310 (avr_hard_regno_nregs): New.
1311 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1312 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1313 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1314 add soft frame pointer.
1315 (CALL_USED_REGISTERS): Likewise.
1316 (REG_CLASS_CONTENTS): Likewise.
1317 (REGISTER_NAMES): Likewise.
1318 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1319 (HARD_FRAME_POINTER_REGNUM): New.
1320 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1321 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1322 remove the HARD_FRAME_POINTER self-elimination.
1324 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1327 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1328 DECL_EXTERNAL when checking for initializers of progmem variables.
1330 2012-01-12 Ira Rosen <irar@il.ibm.com>
1332 PR tree-optimization/51799
1333 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1334 that the last operation is a type demotion.
1336 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1338 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1339 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1341 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1344 * combine.c (distribute_notes): If i3 is a noreturn call,
1345 allow old_size to be equal to args_size and make sure the
1346 noreturn call gets REG_ARGS_SIZE note.
1347 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1348 on noreturn calls even when the delta is 0.
1350 2012-01-11 Nathan Sidwell <nathan@acm.org>
1352 * gcov.c (STRING_SIZE): Remove.
1353 (generate_results): Erase annotations for source files with no
1354 coverage information.
1356 (output_lines): Use it.
1358 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1360 * gimple.h (gimplify_body): Remove first argument.
1361 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1362 pointer set here, instead just pass DATA to walk_tree.
1363 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1364 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1365 (unvisit_body): Likewise, but with unmark_visited.
1366 (gimplify_body): Remove BODY_P argument and adjust.
1367 (gimplify_function_tree): Adjust call to gimplify_body.
1368 * omp-low.c (finalize_task_copyfn): Likewise.
1370 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1372 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1373 (build_function_type_skip_args): Delete.
1374 * tree.c (build_function_type_skip_args): Make static and add
1375 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1376 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1377 pass it to build_function_type_skip_args.
1378 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1379 (tree_function_versioning): Likewise.
1380 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1381 build_function_decl_skip_args.
1382 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1383 and pass it to build_function_decl_skip_args/tree_function_versioning.
1384 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1385 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1386 * trans-mem.c (ipa_tm_create_version): Likewise.
1387 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1388 * tree-inline.c (declare_return_variable): Remove always-true test.
1389 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1390 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1391 * ipa-split.c (split_function): Skip the return value for the split
1392 part if it doesn't return.
1394 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1396 PR tree-optimization/49642
1397 * ipa-split.c (forbidden_dominators): New variable.
1398 (check_forbidden_calls): New function.
1399 (dominated_by_forbidden): Likewise.
1400 (consider_split): Check for forbidden dominators.
1401 (execute_split_functions): Initialize and free forbidden
1402 dominators info; call check_forbidden_calls.
1404 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1406 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1408 2012-01-11 Nick Clifton <nickc@redhat.com>
1410 * config/rx/rx.md (return): Define pattern.
1412 2012-01-11 Richard Guenther <rguenther@suse.de>
1414 * doc/extend.texi (malloc attribute): Adjust according to
1417 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1418 Patrick Marlier <patrick.marlier@gmail.com>
1421 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1422 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1423 (ipa_tm_note_irrevocable): Same.
1424 (ipa_tm_scan_irr_block): Same.
1425 (ipa_tm_decrement_clone_counts): Same.
1426 (ipa_tm_scan_irr_function): Same.
1427 (ipa_tm_create_version_alias): Same.
1428 (ipa_tm_create_version): Same.
1429 (ipa_tm_transform_calls_redirect): Same.
1430 (ipa_tm_transform_calls): Same.
1431 (ipa_tm_transform_transaction): Same.
1432 (ipa_tm_execute): Same.
1434 2012-01-10 Richard Guenther <rguenther@suse.de>
1437 * opts.c (common_handle_option): Handle -Werror.
1439 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1441 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1444 2012-01-10 Jason Merrill <jason@redhat.com>
1446 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1449 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1451 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1452 supports R_386_TLS_GD_PLT reloc.
1453 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1454 supports R_386_TLS_LDM_PLT reloc.
1455 * configure: Regenerate.
1456 * config.in: Regenerate.
1458 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1461 Extend __pgmx semantics to linearize memory.
1462 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1463 determine if code comes inline or from libgcc.
1464 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1465 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1466 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1467 (movmemx_qi, movmemx_hi): New insns.
1468 (xload_<mode>_libgcc): Rewrite to new insn condition.
1469 (xload_<mode>): Remove insns.
1470 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1471 cases that don't satisfy avr_xload_libgcc_p().
1472 (avr_addr_space_convert): Allow converting in any direction.
1473 (avr_addr_space_subset_p): Return always true.
1474 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1475 (avr_emit_movmemhi): Ditto.
1476 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1477 (avr_out_movmem): Ditto.
1478 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1479 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1480 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1481 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1482 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1484 2012-01-10 Richard Guenther <rguenther@suse.de>
1486 PR tree-optimization/50913
1487 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1488 Require data-refs to be representable by Graphite with respect
1491 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1493 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1494 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1496 2012-01-10 Tom de Vries <tom@codesourcery.com>
1498 PR rtl-optimization/51271
1499 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1500 handling annulled branch.
1502 2012-01-10 Richard Henderson <rth@redhat.com>
1504 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1505 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1506 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1507 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1508 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1509 arm_expand_vec_perm_const): New.
1510 * config/arm/arm-protos.h: Update.
1511 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1512 (*neon_vswp<VDQX>): New.
1513 (neon_vcombine<VDX>): Use neon_split_vcombine.
1514 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1515 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1516 (vec_perm<VE>): New.
1518 2012-01-10 Richard Henderson <rth@redhat.com>
1520 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1521 use it if reload_completed.
1522 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1523 arm_output_asm_insn, arm_process_output_memory_barrier,
1524 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1525 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1526 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1527 arm_process_output_sync_insn, arm_output_sync_insn,
1528 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1529 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1530 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1531 (emit_unlikely_jump): New.
1532 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1533 (arm_split_atomic_op): New.
1534 * config/arm/arm-protos.h: Update.
1535 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1536 (struct arm_sync_generator): Remove.
1537 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1538 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1539 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1540 (VUNSPEC_LL, VUNSPEC_SC): New.
1541 (sync_result, sync_memory, sync_required_value, sync_new_value,
1542 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1543 (attr length): Don't use arm_sync_loop_insns.
1544 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1545 (movsfcc, movdfcc): Likewise.
1546 * config/arm/constraints.md (Ua): New.
1547 * config/arm/prediates.md (mem_noofs_operand): New.
1548 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1549 (sync_clobber, sync_t2_reqd): Remove.
1550 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1551 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1552 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1553 (arm_sync_compare_and_swap<SIDI>): Remove.
1554 (arm_sync_compare_and_swap<NARROW>): Remove.
1555 (arm_sync_lock_test_and_set<SIDI>): Remove.
1556 (arm_sync_lock_test_and_set<NARROW>): Remove.
1557 (arm_sync_new_<syncop><SIDI>): Remove.
1558 (arm_sync_new_<syncop><NARROW>): Remove.
1559 (arm_sync_new_nand<SIDI>): Remove.
1560 (arm_sync_new_nand<NARROW>): Remove.
1561 (arm_sync_old_<syncop><SIDI>): Remove.
1562 (arm_sync_old_<syncop><NARROW>): Remove.
1563 (arm_sync_old_nand<SIDI>): Remove.
1564 (arm_sync_old_nand<NARROW>): Remove.
1565 (*memory_barrier): Merge arm_output_memory_barrier.
1566 (atomic_compare_and_swap<QHSD>): New.
1567 (atomic_compare_and_swap<NARROW>_1): New.
1568 (atomic_compare_and_swap<SIDI>_1): New.
1569 (atomic_exchange<QHSD>): New.
1570 (cas_cmp_operand, cas_cmp_str): New.
1571 (atomic_op_operand, atomic_op_str): New.
1572 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1573 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1574 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1575 (arm_load_exclusive<NARROW>): New.
1576 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1577 (arm_store_exclusive<QHSD>): New.
1579 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1581 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1582 reload patterns if -mvsx-scalar-memory.
1584 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1585 generated, even -mno-vsx-scalar-double was used.
1586 (vsx_xscvdpsp_scalar): Likewise.
1587 (vsx_xscvspdp_scalar2): Likewise.
1589 2012-01-09 Tom de Vries <tom@codesourcery.com>
1590 Andrew Pinski <apinski@cavium.com>
1593 * reorg.c (fill_slots_from_thread): Don't speculate
1594 frame-related insns.
1596 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1598 * sched-int.h (bb_note): Move to...
1599 * basic-block.h: ...here.
1600 * haifa-sched.c (bb_note): Move to...
1601 * cfgrtl.c: ...here.
1602 * function.c (next_block_for_reg): New function.
1603 (move_insn_for_shrink_wrap): Likewise.
1604 (prepare_shrink_wrap): Rewrite to use the above.
1606 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1608 * gimple.c (is_gimple_non_addressable): Remove.
1609 * gimple.h: Remove is_gimple_non_addressable.
1610 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1611 is_gimple_non_addressable.
1612 * trans-mem.c (expand_assign_tm): Same.
1614 2012-01-09 Richard Guenther <rguenther@suse.de>
1616 PR tree-optimization/51775
1617 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1618 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1620 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1622 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1624 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1626 2012-01-09 Richard Guenther <rguenther@suse.de>
1628 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1630 2012-01-08 Jan Hubicka <jh@suse.cz>
1632 PR tree-optimize/51680
1633 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1634 on when known_vals needs to be computed; cleanup.
1636 2012-01-08 Jan Hubicka <jh@suse.cz>
1638 PR tree-optimize/51694
1639 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1641 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1643 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1644 for -std=c++98 and -std=c++11 too.
1646 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1648 * cfgloop.c (cancel_loop): Add free() of bbs array.
1650 2012-01-07 Jan Hubicka <jh@suse.cz>
1652 PR tree-optimization/51600
1653 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1654 that benefits small functions.
1656 2012-01-07 Jan Hubicka <jh@suse.cz>
1658 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1660 2012-01-07 Jan Hubicka <jh@suse.cz>
1662 PR tree-optimization/51680
1663 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1664 whose inlining reduce unit size.
1666 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1669 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1670 Add canonical node to containing_mem chain after the non-canonical
1671 one, even if there weren't any locs to propagate.
1672 (remove_useless_values): Keep only canonical values.
1673 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1674 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1675 canonicalize mem_chain elements that are not discarded.
1677 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1680 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1681 before emitting functions.
1683 PR gcov-profile/50127
1684 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1685 clear_aux_for_blocks.
1687 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1690 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1692 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1694 * c-decl.c (ext_block): Moved up.
1695 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1697 2012-01-06 Han Shen <shenhan@google.com>
1699 Translate built-in include paths for sysroot.
1700 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1701 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1703 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1704 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1706 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1707 control whether sysroot should be prepended to gxx include dir.
1709 * configure: Regenerate.
1711 2012-01-06 Torvald Riegel <triegel@redhat.com>
1713 PR rtl-optimization/51771
1714 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1715 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1717 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1719 PR tree-optimization/51315
1720 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1721 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1723 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1726 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1727 for shrp pattern. Correctly handle and fixup shift variable.
1728 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1730 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1733 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1734 note when !ACCUMULATE_OUTGOING_ARGS.
1736 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1738 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1740 (extract_range_from_unary_expr_1): Avoid useless computations.
1742 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1744 PR rtl-optimization/51767
1745 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1746 of jump_block and add an extra edge for degenerated asm gotos.
1749 * stmt.c (check_unique_operand_names): Don't ICE during error
1750 reporting if i is from labels chain.
1753 * profile.c (branch_prob): Split bbs that have exit edge
1754 and need a fake entry edge too.
1756 2012-01-05 Jan Hubicka <jh@suse.cz>
1759 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1762 2012-01-05 Richard Guenther <rguenther@suse.de>
1765 * tree-streamer-out.c (write_ts_optimization): New function.
1766 (streamer_write_tree_body): Call it.
1767 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1768 (streamer_read_tree_body): Call it.
1769 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1771 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1774 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1775 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1776 in_cleanup_point_expr before gimplify_stmt call and restore it
1778 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1779 in_cleanup_point_expr is false.
1781 2012-01-05 Richard Guenther <rguenther@suse.de>
1784 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1786 * toplev.c (process_options): Reject combining mudflap and LTO.
1787 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1789 2012-01-05 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/51760
1792 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1794 (bit_value_unop): Handle UNDEFINED operands.
1795 (bit_value_binop): Likewise.
1797 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1799 * config/avr/avr.c (avr_replace_prefix): Remove.
1800 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1801 (avr_asm_function_rodata_section): Ditto.
1802 (avr_asm_select_section): Ditto.
1804 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1806 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1809 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1812 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1813 calls that have any non-fake successor edges.
1816 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1818 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1820 PR tree-optimization/51624
1821 * tree-sra.c (build_ref_for_model): When replicating a chain of
1822 COMPONENT_REFs, stop as soon as the offset would become negative.
1824 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1827 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1828 in .debug_loc on the floor.
1830 2012-01-04 Andrew Pinski <apinski@cavium.com>
1832 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1834 2012-01-04 Andrew Pinski <apinski@cavium.com>
1835 Adam Nemet <anemet@caviumnetworks.com>
1837 * config/mips/mips.md (size): Add SI and DI.
1838 (SIZE): New mode attribute.
1839 (U): New code attribute.
1840 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1841 (mips_lbux_<mode>): Delete.
1842 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1843 (mips_lhx): Use gen_mips_lhx_extsi.
1844 (mips_lhx_<mode>): Delete.
1846 (mips_l<size>x): New expand.
1847 (mips_lwx_<mode>): Delete.
1848 (mips_l<GPR:size>x_<P:mode>): New pattern.
1849 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1850 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1851 * config/mips/mips.c (mips_lx_address_p): New function.
1852 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1853 (dsp64): New availability predicate.
1854 (mips_builtins): Add an entry for __builtin_mips_ldx.
1855 * config/mips/mips.h (ISA_HAS_LBX): New define.
1856 (ISA_HAS_LBUX): Likewise.
1857 (ISA_HAS_LHX): Likewise.
1858 (ISA_HAS_LHUX): Likewise.
1859 (ISA_HAS_LWX): Likewise.
1860 (ISA_HAS_LWUX): Likewise.
1861 (ISA_HAS_LDX): Likewise.
1862 * doc/extend.texi (__builtin_mips_ldx): Document.
1864 2012-01-04 Tristan Gingold <gingold@adacore.com>
1866 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1867 when long pointers are used.
1868 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1869 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1870 (ia64-hp-*vms*): Remove.
1871 * config/vms/xm-vms64.h: Delete.
1873 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1876 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1878 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1880 * opts.c (finish_options): Remove duplicate sorry.
1882 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1885 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1888 2012-01-04 Richard Guenther <rguenther@suse.de>
1891 * tree.c (size_low_cst): New function.
1892 * tree.h (size_low_cst): Declare.
1893 * fold-const.c (fold_comparison): Use it to extract the low
1894 part of the POINTER_PLUS_EXPR offset.
1896 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1898 Fix clearing ZERO_REG
1899 * config/avr/avr.md (cc): Add alternative "ldi".
1900 (movqi_insn): Use it in cc attribute.
1901 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1902 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1903 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1905 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1907 * configure: Regenerate.
1909 2012-01-04 Richard Guenther <rguenther@suse.de>
1911 PR tree-optimization/49651
1912 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1913 (var_can_have_subvars): Use it.
1914 (get_constraint_for_1): Only consider subfields if there can be any.
1916 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1919 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1920 to its new canonical_cselib_val and the cselib_val was in
1921 first_containing_mem chain, but the canonical_cselib_val was not,
1922 add the latter into the chain.
1923 (cselib_invalidate_mem): Compare canonical_cselib_val of
1924 addr_list chain elt with v.
1927 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1928 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1930 (output_macinfo_op): Don't ggc_strdup fd->filename.
1931 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1932 then ggc_strdup it. Don't free inc->info or cur->info.
1933 (output_macinfo): Don't free ref->info or file->info.
1935 2012-01-03 Ira Rosen <irar@il.ibm.com>
1937 PR tree-optimization/51269
1938 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1939 first_niters a pointer.
1940 (slpeel_tree_peel_loop_to_edge): Likewise.
1941 (vect_do_peeling_for_loop_bound): Update call to
1942 slpeel_tree_peel_loop_to_edge.
1943 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1944 here. Remove it from the parameters list.
1945 (vect_do_peeling_for_alignment): Update calls and compute
1948 2012-01-03 Richard Guenther <rguenther@suse.de>
1950 PR tree-optimization/51070
1951 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1952 Properly handle calls.
1954 2012-01-03 Richard Guenther <rguenther@suse.de>
1956 PR tree-optimization/51692
1957 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1958 the LHS of allocation stmts.
1960 2012-01-03 Olivier Hainque <hainque@adacore.com>
1962 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1964 2012-01-03 Olivier Hainque <hainque@adacore.com>
1966 * collect2.c (main): In AIX specific computations for vector
1967 insertions, use CONST_CAST2 to cast from char ** to const char **.
1969 2012-01-03 Richard Guenther <rguenther@suse.de>
1972 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1973 the context of a limbo DIE when it does not already exist.
1975 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1977 PR tree-optimization/51719
1978 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1979 but direct call is, clear direct call's lhs and don't add fallthrough
1980 edge from dcall_bb to join_bb and PHIs.
1982 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1984 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1985 the instructions emitted by the pattern.
1986 ("*TDC_insn_<mode>"): Add comment.
1988 2012-01-03 Richard Guenther <rguenther@suse.de>
1991 * fold-const.c (fold_comparison): Properly canonicalize
1992 tree offset and HOST_WIDE_INT bit position.
1994 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1996 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1997 operands for extzv pattern.
1999 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2002 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2005 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2007 * doc/invoke.texi (-flto and related options): Copy-edit.
2009 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2011 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2013 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2015 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2018 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2020 * expr.h (move_by_pieces_ninsns): Declare.
2021 * expr.c (move_by_pieces_ninsns): Make external.
2022 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2023 (mips_store_by_pieces_p): Likewise.
2024 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2025 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2026 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2027 (mips_store_by_pieces_p): Likewise.
2029 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2031 * passes.c (register_one_dump_file): Free full_name.
2033 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2034 (calculate_elim_costs_all_insns): Free offsets_at and
2035 offsets_known_at at the end and clear the pointers.
2037 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2039 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2040 this option introduced in r180739.
2042 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2045 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2046 (tmake_file target=avr): Add avr/t-multilib.
2048 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2049 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2050 * config/avr/genmultilib.awk: New file.
2051 * config/avr/t-multilib: New auto-generated file.
2052 * config/avr/multilib.h: New auto-generated file.
2053 * config/avr/t-avr (AVR_MCUS): New variable.
2054 (genopt.sh): Use it.
2055 (s-mlib): Depend on t-multilib.
2056 (t-multilib, multilib.h): New dependencies.
2057 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2058 (MULTILIB_OPTIONS): Remove.
2059 (MULTILIB_MATCHES): Remove.
2060 (MULTILIB_DIRNAMES): Remove.
2061 (MULTILIB_EXCEPTIONS): Remove:
2062 * config/avr/genopt.sh: Don't use hard coded file name;
2063 pass AVR_MCUS from t-avr instead.
2065 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2067 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2069 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2071 Implement light-weight DImode support.
2072 * config/avr/avr-dimode.md: New file.
2073 * config/avr/avr.md: Include it.
2074 (adjust_len): Add plus64, compare64.
2075 (HIDI): Remove code iterator.
2076 (code_stdname): New code attribute.
2077 (rotx, rotsmode): Remove DI.
2078 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2080 * config/avr/avr-protos.h (avr_have_dimode): New.
2081 (avr_out_plus64, avr_out_compare64): New.
2082 * config/avr/avr.c (avr_out_compare): Handle DImode.
2083 (avr_have_dimode): New variable definition and initialization.
2084 (avr_out_compare64, avr_out_plus64): New functions.
2085 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2086 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2087 (avr_compare_pattern): Skip DImode comparisons.
2089 2012-01-02 Revital Eres <revital.eres@linaro.org>
2091 * ddg.c (def_has_ccmode_p): New function.
2092 (add_cross_iteration_register_deps,
2093 create_ddg_dep_from_intra_loop_link): Call it.
2095 2012-01-02 Richard Guenther <rguenther@suse.de>
2098 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2100 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2102 * gcc.c (process_command): Update copyright notice dates.
2103 * gcov.c (print_version): Likewise.
2104 * gcov-dump.c (print_version): Likewise.
2105 * mips-tfile.c (main): Likewise.
2106 * mips-tdump.c (main): Likewise.
2108 2012-01-01 Ira Rosen <irar@il.ibm.com>
2110 PR tree-optimization/51704
2111 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2112 a use is inside the basic block or loop before accessing its vect info.
2114 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2116 PR rtl-optimization/51069
2117 * cfgloopmanip.c (remove_path): Removing path making irreducible
2118 region unconditional makes BB part of the region.
2120 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2122 PR tree-optimization/51683
2123 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2124 calls with side-effects.
2125 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2127 Copyright (C) 2012 Free Software Foundation, Inc.
2129 Copying and distribution of this file, with or without modification,
2130 are permitted in any medium without royalty provided the copyright
2131 notice and this notice are preserved.