1 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
4 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
5 (mips_gimplify_va_arg_expr): Call it instead of
6 std_gimplify_va_arg_expr.
8 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
10 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
11 message for -mno-pointers-to-nested-function.
13 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
16 * expr.c (get_inner_reference): If there is an offset, add a negative
17 bit position to it (if any).
19 2012-02-07 Jakub Jelinek <jakub@redhat.com>
21 PR rtl-optimization/52060
22 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
23 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
24 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
25 and/or i0src_copy2 when needed.
27 2012-02-07 Jakub Jelinek <jakub@redhat.com>
29 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
30 or LTOPLUGINSONAME if have_c.
32 * config/freebsd-spec.h: Add comment about what macros can be defined
34 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
35 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
38 2012-02-07 Richard Guenther <rguenther@suse.de>
40 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
41 newline in -alias dumps.
43 2012-02-07 Kai Tietz <ktietz@redhat.com>
44 Dave Korn <dave.korn.cygwin@gmail.com>
47 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
48 Take care that typinfo gets dllexport-attribute.
50 2012-02-07 Jakub Jelinek <jakub@redhat.com>
53 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
54 if modifier < EXPAND_SUM call force_operand on the result.
56 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
58 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
59 adding __forwarder_dst__ prefix if a forwarder_section attribute is
61 (epiphany_function_type): Replace types for specific interrupts with
62 EPIPHANY_FUNCTION_INTERRUPT.
63 (EPIPHANY_INTERRUPT_P): Update.
64 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
66 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
67 <disinterrupt>: Affects type identity.
68 (epiphany_handle_interrupt_attribute): Handle variable number of
70 (epiphany_compute_function_type): Update for new
71 epiphany_function_type definition.
72 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
73 handlers with a longcall forwarder.
74 (epiphany_start_function): Handle multiple interrupt arguments and/or
75 forwarder_section attribute.
77 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
79 2012-02-07 Alan Modra <amodra@gmail.com>
82 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
85 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
87 PR tree-optimization/50969
88 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
89 use vec_perm rather than vector_stmt.
90 (vect_model_load_cost): Likewise.
91 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
92 vec_perm to be the same as other vector statements.
93 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
94 cost of vec_perm for TARGET_VSX.
96 2012-02-06 Richard Guenther <rguenther@suse.de>
98 PR tree-optimization/52115
99 * tree-sra.c (access_has_replacements_p): New function.
100 (sra_modify_assign): Use it to decide whether a use is uninitialized.
102 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
105 * trans-mem.c (expand_call_tm): Add an assertion.
106 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
109 2012-02-06 Richard Guenther <rguenther@suse.de>
111 PR tree-optimization/50955
112 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
113 raise cost of expressions that replace an address with an
114 expression based on a different pointer.
116 2012-02-06 Jakub Jelinek <jakub@redhat.com>
119 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
120 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
122 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
125 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
126 -Weffc++ and specify guidelines come from second edition.
128 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
130 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
131 (sibcall_value_multiple_internal, call_split, call_internal_direct)
132 (call_direct_split, call_value_split, call_value_internal_direct)
133 (call_value_direct_split, call_value_multiple_split): Use jal and
134 jal_macro attributes.
136 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
138 * reload1.c (reload_regs_reach_end_p): Replace with...
139 (reload_reg_rtx_reaches_end_p): ...this function.
140 (new_spill_reg_store): Update commentary.
141 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
142 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
143 before setting new_spill_reg_store.
144 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
145 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
146 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
147 for non-spill reload registers.
149 2012-02-05 Ira Rosen <irar@il.ibm.com>
151 PR tree-optimization/52091
152 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
153 (vect_is_simple_use_1): Likewise.
154 * tree-vect-loop.c (vectorizable_reduction): Update calls
155 to vect_is_simple_use_1 and vect_is_simple_use.
156 (vectorizable_live_operation): Likewise.
157 * tree-vect-patterns.c (widened_name_p,
158 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
160 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
161 vectorizable_call, vectorizable_conversion,
162 vectorizable_assignment, vectorizable_shift,
163 vectorizable_operation, vectorizable_store, vectorizable_load):
165 (vect_is_simple_cond): Add an argument, pass it to
166 vect_is_simple_use_1.
167 (vectorizable_condition): Update calls to vect_is_simple_cond,
169 (vect_is_simple_use): Add an argument, the statement in which
170 OPERAND is used. Check that if OPERAND's def stmt is a double
171 reduction phi node, the use is a phi node too.
172 (vect_is_simple_use_1): Add an argument, pass it to
174 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
175 to vect_is_simple_use.
177 2012-02-04 Jakub Jelinek <jakub@redhat.com>
179 PR rtl-optimization/52095
180 * modulo-sched.c (dump_insn_locator): New function.
181 (loop_canon_p, sms_schedule): Use it.
183 PR rtl-optimization/52113
184 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
185 even for decomposable shift/zext insns.
187 2012-02-03 Jakub Jelinek <jakub@redhat.com>
188 Zdenek Dvorak <ook@ucw.cz>
190 PR rtl-optimization/52092
191 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
192 on get_iv_value result.
194 2012-02-02 Andrew Pinski <apinski@cavium.com>
198 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
200 2012-02-02 Jakub Jelinek <jakub@redhat.com>
203 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
205 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
207 PR rtl-optimization/49800
208 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
209 (sched_finish): Call regstat_free_n_sets_and_refs.
211 2012-02-02 Jia Liu <proljc@gmail.com>
213 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
216 2012-02-02 Jan Hubicka <jh@suse.cz>
217 Tom de Vries <tom@codesourcery.com>
220 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
221 * varpool.c (varpool_analyze_pending_decls): Likewise.
223 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
224 Jayant R Sonar <jayant.sonar@kpitcummins.com>
226 * config.gcc: Add cr16-* support.
228 * doc/extend.texi: Document cr16 extensions.
229 * doc/install.texi: Document cr16 install.
230 * doc/invoke.texi: Document cr16 options.
231 * doc/md.texi: Document cr16 constraints.
233 * common/config/cr16/cr16-common.c: New file.
234 * config/cr16/cr16.c: New file.
235 * config/cr16/cr16.h: New file.
236 * config/cr16/cr16.md: New file.
237 * config/cr16/cr16.opt: New file.
238 * config/cr16/cr16-protos.h: New file.
239 * config/cr16/predicates.md: New file.
240 * config/cr16/constraints.md: New file.
241 * config/cr16/t-cr16: New file.
243 2012-02-02 Jakub Jelinek <jakub@redhat.com>
246 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
247 that operands[2] is either immediate, or q_regs_operand.
249 PR tree-optimization/52073
250 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
251 a pattern stmt for pattern uses, ignore uses outside of the loop.
253 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
255 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
256 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
257 (OUT_AS1, OUT_AS2): Remove.
259 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
261 PR rtl-optimization/51374
262 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
263 to cross other volatile_refs_p insns.
265 2012-02-01 Richard Guenther <rguenther@suse.de>
267 * doc/invoke.texi (fno-inline): Clarify documentation.
268 (finline-small-functions): Likewise.
269 (finline-functions): Likewise.
270 * common.opt (finline): Adjust comment and documentation.
271 (finline-small-functions): Clarify documentation.
272 (finline-functions): Likewise.
273 (finline-functions-called-once): Likewise.
275 2012-02-01 Tristan Gingold <gingold@adacore.com>
277 * c-typeck.c (composite_type): Keep mode for pointers.
279 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
281 * function.h (regno_reg_rtx): Adjust comment.
282 * reginfo.c (init_reg_modes_target): Only use the previous mode
283 if it fits within one register. Remove MIPS comment.
285 2012-01-31 Jakub Jelinek <jakub@redhat.com>
288 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
290 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
292 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
295 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
297 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
300 2012-01-31 Jakub Jelinek <jakub@redhat.com>
305 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
307 2012-01-31 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/51528
310 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
313 2012-01-31 Jakub Jelinek <jakub@redhat.com>
318 * ree.c (add_removable_extension): Change def_map argument
319 to unsigned *, store in def_map 1 + offset into *insn_list vector
320 instead of pointers into the vector.
321 (find_removable_extensions): Adjust caller.
323 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
325 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
326 Transform all "* quoted-c-code" to { c-code }.
327 Remove redundant test for "optimize" in combine patterns.
328 Move (include "avr-dimode.md") to end of file.
330 2012-01-30 Bin Cheng <bin.cheng@arm.com>
333 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
334 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
336 2012-01-30 Richard Guenther <rguenther@suse.de>
338 PR tree-optimization/52028
339 * tree-loop-distribution.c (ldist_gen): Properly update
342 2012-01-30 Jakub Jelinek <jakub@redhat.com>
345 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
346 set_cur_line_info_table if not emitting debug info.
348 PR tree-optimization/52046
349 * tree-vect-patterns.c (check_bool_pattern): Give up if
350 a comparison could throw.
353 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
355 2012-01-30 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/52045
358 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
359 SSA form if cfgcleanup did anything.
361 2012-01-30 Richard Guenther <rguenther@suse.de>
363 PR tree-optimization/52045
364 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
365 before computing final todo.
367 2012-01-30 Richard Guenther <rguenther@suse.de>
369 PR tree-optimization/51528
370 * tree-sra.c (sra_modify_assign): Re-factor in preparation
373 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
375 * df-problems.c (df_kill_notes): Check that the use refers
376 to the note under examination.
378 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
381 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
382 parameter and use short-lived pseudos.
383 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
384 (sparc_expand_vector_init): Const-ify local variables and adjust
385 calls to above functions.
387 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
389 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
391 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
393 * doc/invoke.texi: Make usage of "compile time" and
394 "run time"/"runtime" consistent throughout the file.
396 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
398 * config/alpha/alpha.c (alpha_option_overrride): Default to
399 full IEEE compliance mode for Go language.
401 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
403 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
404 (LINK_SSP_SPEC): Define.
406 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
409 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
412 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
414 * doc/invoke.texi: Correct hyphenation of "floating point",
415 "double precision", and related terminology throughout the file.
417 2012-01-28 Jakub Jelinek <jakub@redhat.com>
420 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
421 arm_general_register_operand predicate for operand 2 instead of
424 2012-01-27 Ian Lance Taylor <iant@google.com>
427 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
428 * builtins.c (expand_builtin_init_trampoline): Add onstack
429 parameter. Change caller.
430 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
431 * tree.c (build_common_builtin_nodes): Declare
432 __builtin_init_heap_trampoline.
434 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
436 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
437 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
438 * config/avr/avr.c: Ditto.
439 (avr_regnames): Remove because unused.
440 * config/avr/avr.md (*cpse.ne): New peephole.
441 (*cpse.eq): New peephole from former cpse peepholes.
443 2012-01-27 Michael Eager <eager@eagercon.com>
445 * config/microblaze.c (microblaze_emit_compare): Correct
446 test after pcmp instruction.
448 2012-01-27 Richard Guenther <rguenther@suse.de>
450 PR tree-optimization/52020
451 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
453 2012-01-27 Richard Guenther <rguenther@suse.de>
455 * ipa-pure-const.c (check_stmt): Clobbers do not make a
456 function non-const/pure.
458 2012-01-27 Richard Guenther <rguenther@suse.de>
460 PR tree-optimization/50444
461 * tree-sra.c (build_ref_for_offset): Properly adjust the
462 MEM_REF type for unaligned accesses.
464 2012-01-27 Richard Guenther <rguenther@suse.de>
466 PR tree-optimization/50444
467 * expr.c (mem_ref_refers_to_non_mem_p): New function.
468 (expand_assignment): Use it. Properly handle misaligned
469 bases when expanding stores to component references.
470 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
473 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
476 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
477 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
478 * tree-data-ref.c (find_data_references_in_loop): Make static.
479 (compute_all_dependences): Change return type to bool. Bail out
480 for too many datarefs in a loop. Move the hunk resetting the data
481 dependences vector from ...
482 (compute_data_dependences_for_loop): ... here. Account for
483 compute_all_dependences returning false.
484 (compute_data_dependences_for_bb): Likewise.
485 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
486 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
488 2012-01-27 Richard Guenther <rguenther@suse.de>
491 * expr.c (store_field): Use the alias-set of the scratch memory
494 2012-01-27 Tom de Vries <tom@codesourcery.com>
496 PR tree-optimization/51990
497 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
499 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
501 2012-01-27 Jakub Jelinek <jakub@redhat.com>
504 * var-tracking.c (reverse_op): Don't add any reverse operation
505 if V already has any constant locations.
507 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
509 * doc/invoke.texi: Correct usage of "command line" (noun)
510 vs "command-line" (adjective) throughout.
512 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
514 * doc/invoke.texi (Language Independent Options): Move
515 -Wcoverage-mismatch blurb from here....
516 (Warning Options): ...to here.
518 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
520 * config/rs6000/rs6000.c (rs6000_option_override_internal):
521 Set rs6000_always_hint to false for 476.
523 2012-01-27 Matthias Klose <doko@ubuntu.com>
525 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
527 * incpath.c (add_standard_paths): Likewise.
529 2012-01-27 Richard Henderson <rth@redhat.com>
531 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
532 * config/m68k/sync.md (atomic_test_and_set): Rename from
533 sync_test_and_setqi and adjust the operands.
534 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
535 and unconditionally enable.
537 2012-01-27 Richard Henderson <rth@redhat.com>
539 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
540 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
541 (ldstub): Rename from ldstubqi.
542 (ldstub<I24MODE>): Remove.
544 2012-01-27 Richard Henderson <rth@redhat.com>
546 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
547 * c-cppbuiltin.c (cpp_atomic_builtins): Define
548 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
549 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
550 * doc/tm.texi: Rebuild.
552 2012-01-27 Richard Henderson <rth@redhat.com>
554 * optabs.c (gen_atomic_test_and_set): Remove default.
555 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
557 2012-01-26 Jakub Jelinek <jakub@redhat.com>
559 PR rtl-optimization/51978
560 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
561 (combine_reaching_defs): Likewise.
562 (struct re_info): Remove.
563 (add_removable_extension): Remove x and data arguments,
564 add insn, insn_list and def_map. Use the arguments directly
565 instead of using struct re_info.
566 (find_removable_extensions): Don't call add_removable_extension
567 through note_stores, instead just call it with single_set
569 (find_and_remove_re): Pass curr_cand->expr instead of
570 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
572 2012-01-26 Michael Matz <matz@suse.de>
574 PR tree-optimization/46590
575 * cfgexpand.c: Revert last change (r183305).
576 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
578 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
579 checking for emptiness.
581 2012-01-26 Jakub Jelinek <jakub@redhat.com>
584 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
585 non-addressable non-BLKmode base correctly.
587 2012-01-26 Michael Matz <matz@suse.de>
589 PR tree-optimization/48794
590 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
591 regions referenced from RESX/EH_DISPATCH.
593 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
595 * config/s390/s390.h: Make BRANCH_COST an option.
596 * config/s390/s390.opt: New option -mbranch-cost.
598 2012-01-26 Richard Henderson <rth@redhat.com>
600 Revert 2012-01-24 change:
601 * trans-mem.c (requires_barrier): Do not instrument thread local
602 variables and emit save/restore for them.
604 2012-01-25 Jakub Jelinek <jakub@redhat.com>
607 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
610 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
612 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
615 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
618 Rename __pgm to __flash.
619 Rename __pgm1 to __flash1.
620 Rename __pgm2 to __flash2.
621 Rename __pgm3 to __flash3.
622 Rename __pgm4 to __flash4.
623 Rename __pgm5 to __flash5.
624 Rename __pgmx to __memx.
625 * doc/extend.texi (AVR Named Address Spaces)
626 Rename address space names as indicated above.
627 * config/avr/avr.c (avr_addrspace): Ditto.
629 * config/avr/avr-protos.h
630 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
631 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
632 * config/avr/predicates.md: Ditto.
633 * config/avr/avr.c Ditto, and
634 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
635 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
637 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
638 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
639 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
640 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
641 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
642 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
643 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
644 * config/avr/avr.c: Ditto.
645 * config/avr/avr.md: Ditto.
647 2012-01-25 Jason Merrill <jason@redhat.com>
650 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
652 2012-01-25 Jakub Jelinek <jakub@redhat.com>
654 PR tree-optimization/51987
655 * tree-data-ref.c (get_references_in_stmt): Handle references in
656 non-volatile GIMPLE_ASM.
658 2012-01-25 Richard Guenther <rguenther@suse.de>
660 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
661 bases are dereferenced.
663 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
665 PR rtl-optimization/48374
666 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
668 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
670 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
671 compute_data_dependences_for_loop returns false.
672 * tree-parloops.c (loop_parallel_p): Likewise.
674 2012-01-25 Richard Guenther <rguenther@suse.de>
676 * tree.h (get_pointer_alignment_1): Declare.
677 * builtins.c (get_pointer_alignment_1): New function.
678 (get_pointer_alignment): Use it.
680 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
682 PR rtl-optimization/48308
683 * combine.c (enum undo_kind): Add UNDO_LINKS.
684 (struct undo): Add member l to other_contents and where.
685 (do_SUBST_LINK): New.
687 (try_combine): Handle LOG_LINKS for the dummy i1 case.
688 (undo_all): Handle UNDO_LINKS.
690 2012-01-25 Richard Henderson <rth@redhat.com>
692 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
695 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
697 * optabs.c (gen_atomic_test_and_set): Use each argument.
699 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
701 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
702 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
703 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
704 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
705 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
706 TARGET_PAIRED_SINGLE_FLOAT.
708 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
710 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
711 (in_struct, return_val): Remove MEM documentation.
712 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
713 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
714 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
716 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
717 * cfgexpand.c (add_alias_set_conflicts): Likewise.
718 * expr.c (store_field): Likewise.
719 * function.c (assign_stack_temp_for_type): Likewise.
720 * ifcvt.c (noce_try_cmove_arith): Likewise.
721 * reload1.c (reload): Likewise.
722 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
723 (alpha_set_memflags): Likewise.
724 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
726 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
728 * rtl.h (true_dependence, canon_true_dependence): Remove varies
730 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
731 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
732 (true_dependence_1, true_dependence, canon_true_dependence): Remove
734 * cselib.c (cselib_rtx_varies_p): Delete.
735 (cselib_invalidate_mem): Update call to canon_true_dependence.
736 * dse.c (record_store, check_mem_read_rtx): Likewise.
737 (scan_reads_nospill): Likewise.
738 * cse.c (check_dependence): Likewise.
739 (cse_rtx_varies_p): Delete.
740 * expr.c (safe_from_p): Update call to true_dependence.
741 * ira.c (validate_equiv_mem_from_store): Likewise.
742 (memref_referenced_p): Likewise.
743 * postreload-gcse.c (find_mem_conflicts): Likewise.
744 * sched-deps.c (sched_analyze_2): Likewise.
745 * store-motion.c (load_kills_store): Likewise.
746 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
747 * gcse.c (mems_conflict_for_gcse_p): Likewise.
748 (compute_transp): Update call to canon_true_dependence.
750 2012-01-25 Richard Henderson <rth@redhat.com>
752 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
753 (maybe_emit_atomic_test_and_set): New.
754 (expand_sync_lock_test_and_set): Use it.
755 (expand_atomic_test_and_set): Likewise.
756 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
757 the implementation; clarify implementation defined details.
758 * doc/md.texi (atomic_test_and_set): Document.
760 2012-01-25 Richard Henderson <rth@redhat.com>
762 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
764 2012-01-25 Richard Henderson <rth@redhat.com>
767 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
768 to effect no-op split.
770 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
773 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
774 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
775 (BT_FN_VOID_PTR_INT_SIZE): New.
776 (BT_FN_UINT_UINT_VAR): Remove.
777 (BT_FN_UINT32_UINT32_VAR): New.
778 (BT_FN_DOUBLE_VPTR): Remove.
779 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
781 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
782 (_ITM_changeTransactionMode): Same.
783 (_ITM_memmoveRtWt): Change return type to void.
784 (_ITM_memcpyRtWt): Same.
785 (_ITM_memsetW): Same.
786 (_ITM_RaRD): Change types to double.
791 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
793 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
794 Patrick Marlier <patrick.marlier@gmail.com>
796 * trans-mem.c (requires_barrier): Do not instrument thread local
797 variables and emit save/restore for them.
799 2012-01-24 Jason Merrill <jason@redhat.com>
802 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
803 output static aliases.
805 2012-01-24 Jakub Jelinek <jakub@redhat.com>
808 * common.opt (-pie, -shared, pie, shared): Change from Common to
810 * gcc.c (display_help): Display help for -pie and -shared.
812 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
815 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
816 Remove note on size/offset limitation.
817 (AVR Variable Attributes): Add example how to read data located
818 with progmem. Refer to named address spaces.
819 * doc/invoke.texi (AVR Options): Fix typo.
821 2012-01-24 Richard Guenther <rguenther@suse.de>
823 Forward-port to trunk
824 2010-09-21 Jakub Jelinek <jakub@redhat.com>
827 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
828 op0 isn't sufficiently aligned and there is movmisalignM
829 insn for mode, use it to load op0 into a temporary register.
831 2012-01-24 Jakub Jelinek <jakub@redhat.com>
834 * target.def (const_not_ok_for_debug_p): New hook.
835 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
837 * doc/tm.texi: Regenerated.
838 * dwarf2out.c (const_ok_for_output_1): If
839 targetm.const_not_ok_for_debug_p returns true, fail.
840 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
842 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
844 2012-01-23 Kai Tietz <ktietz@redhat.com>
847 * config/i386/predicates.md (symbolic_operand): Allow
848 UNSPEC_PCREL as PIC expression for lea.
849 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
850 * config/i386/i386.c (ix86_delegitimize_address): Handle
851 UNSPEC_PCREL for none-MEM, too.
853 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
855 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
856 (ipa_tm_create_version_alias): Same.
858 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
861 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
862 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
864 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
865 Patrick Marlier <patrick.marlier@gmail.com>
866 Iain Sandoe <developer@sandoe-acoustics.co.uk>
869 * lto-wrapper.c (run_gcc): Pass the LTO section name to
870 simple_object_start_read.
872 2012-01-23 Richard Guenther <rguenther@suse.de>
875 PR tree-optimization/51895
876 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
877 parameter decomposition into BLKmode components.
879 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
881 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
882 fake variables for restrict-qualified pointers whose pointed-to type
883 contains a placeholder.
885 2012-01-23 Richard Guenther <rguenther@suse.de>
887 PR tree-optimization/51949
888 * ipa-split.c (execute_split_functions): Do not split malloc functions.
890 2012-01-23 Jakub Jelinek <jakub@redhat.com>
892 PR rtl-optimization/51933
893 * ree.c (transform_ifelse): Return true right away if dstreg is
894 already wider or equal to cand->mode.
895 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
896 (make_defs_and_copies_lists): Remove defs_list and copies_list
897 arguments, add state argument, just truncate state->work_list
898 instead of always allocating and freeing the vector. Assert that
899 get_defs succeeds instead of returning 2. Changed return type to bool.
900 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
901 have ext_src_mode, see if it has been modified already with the
902 right kind of extension and has been extended before from the
903 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
904 just return true. Remember the original mode in state->modified array.
905 (combine_reaching_defs): Add state argument. Don't allocate and
906 free here def_list, copied_list and vec vectors, instead just
907 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
908 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
909 Add state variable, clear vectors in it, initialize state.modified
910 if needed. Free all the vectors at the end and state.modified too.
911 Don't skip a candidate if the extension expression has been modified.
913 2012-01-22 Douglas B Rupp <rupp@gnat.com>
916 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
917 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
918 (extra_options) interix.opt -> i386/interix.opt"
919 (extra_objs):Add winnt-stubs.o
920 * configure.ac: Add interix to target_os .comm on PE check.
921 * configure: Regenerate.
922 * config/interix3.h: Delete and move bits to..
923 * config/interix.h: Delete and move bits to..
924 * config/i386/i386-interix3.h: Delete and move bits to..
925 * config/i386/i386-interix.h: ..here.
926 (TARGET_CPU_DEFAULT): Remove redefinition.
927 (TARGET_ASM_CONSTRUCTOR): Undefine.
928 (SUBTARGET_SWITCHES): Define for ms-bitfields.
929 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
930 (PTRDIFF_TYPE): Define.
931 (LONG_DOUBLE_TYPE_SIZE): Define.
932 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
933 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
934 (TARGET_SECTION_TYPE_FLAGS): Define.
935 (ASM_DECLARE_FUNCTION_NAME): Define.
936 (ASM_OUTPUT_EXTERNAL): Define.
937 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
938 (ASM_OUTPUT_ALIGNED_BSS): Define.
939 (PCC_BITFIELD_TYPE_MATTERS): Define.
940 (USE_CONST_SECTION): Define.
941 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
942 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
943 (SUPPORTS_ONE_ONLY): Remove.
944 (I386_PE_STRIP_ENCODING): Define.
945 * config/interix.opt: Delete and move bits to..
946 * config/i386/interix.opt: ..here. New.
947 (mpe-aligned-commons): Add.
948 * config/i386/t-interix: Add copyright header.
949 (winnt-stubs.o): Add rule.
951 2012-01-22 Jason Merrill <jason@redhat.com>
954 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
955 for extra name aliases.
957 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
959 PR rtl-optimization/51924
960 * ree.c (combine_set_extension): Improve debugging message.
961 (combine_reaching_defs): Likewise.
962 (get_defs): Rename confusingly named variable.
963 (find_and_remove_re): Skip a candidate if the extension expression has
966 2012-01-21 Robert Millan <rmh@gnu.org>
967 Gerald Pfeifer <gerald@pfeifer.com>
969 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
970 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
972 2012-01-20 Jakub Jelinek <jakub@redhat.com>
974 PR tree-optimization/51914
975 * tree-vect-stmts.c (vectorizable_conversion): For
976 cvt_type && modifier == WIDEN, put temporary with cvt_type
977 at the beginning of vec_dsts and set vec_dest to temporary
980 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
982 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
984 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
986 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
987 * config/rs6000/rs6000.c: Likewise.
989 2012-01-20 Jakub Jelinek <jakub@redhat.com>
992 * config/arm/arm.c (arm_count_output_move_double_insns): Call
993 output_move_double on a copy of operands array.
995 2012-01-20 Cary Coutant <ccoutant@google.com>
996 Dodji Seketeli <dodji@redhat.com>
999 * dwarf2out.c (copy_declaration_context): Return ref to parent
1000 of declaration DIE, if necessary.
1001 (remove_child_or_replace_with_skeleton): Add new parameter; update
1002 caller. Place skeleton DIE under parent DIE of original declaration.
1003 Move call to copy_declaration_context to here ...
1004 (break_out_comdat_types): ... from here.
1006 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1008 PR rtl-optimization/51856
1009 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1012 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1015 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1016 hints for neon loads and stores.
1018 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1022 * doc/extend.texi (Named Address Spaces): Split into subsections.
1023 (AVR Named Address Spaces): New subsection.
1024 (M32C Named Address Spaces): New subsection.
1025 (RL78 Named Address Spaces): New subsection.
1026 (SPU Named Address Spaces): New subsection.
1027 (Variable Attributes): New anchor "AVR Variable Attributes".
1028 (AVR Variable Attributes): Rewrite and avoid wording
1029 "address space" in this context.
1030 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1031 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1032 (AVR Built-in Macros): New subsubsection therein.
1033 * doc/md.texi (AVR constraints): Remove "C04", "R".
1035 2012-01-20 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/51903
1038 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1039 when removing stmts.
1041 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1044 * config/arm/arm.c (arm_load_pic_register): Use
1045 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1046 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1047 (arm_pic_static_addr): Likewise.
1048 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1049 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1050 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1051 (pic_load_addr_unified): New.
1053 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1056 * function.c (instantiate_virtual_regs_in_insn): Use
1057 delete_insn_and_edges when removing a wrong asm insn.
1059 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1061 PR rtl-optimization/40761
1062 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1063 Add new member loop_num.
1064 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1065 (ira_build): Remove the parameter.
1067 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1068 (ira.c): Do not build CFG loops for one region allocation. Remove
1069 argument from ira_build call.
1071 * ira-build.c (init_loop_tree_node): New function.
1072 (create_loop_tree_nodes): Use it. Separate the case when CFG
1073 loops are not built.
1074 (more_one_region_p): Check current_loops.
1075 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1077 (add_loop_to_tree): Process loop equal to NULL too.
1078 (form_loop_tree): Separate the case when CFG loops are not built.
1079 Use explicitly number for the root.
1080 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1082 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1083 instead of loop->num.
1084 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1085 (mark_all_loops_for_removal): Ditto.
1086 (remove_unnecessary_regions): Separate the case when CFG loops
1088 (ira_build): Remove the parameter. Use explicit number of regions
1089 when CFG loops are not built.
1091 * ira-color.c (print_loop_title): Separate the case for the root node.
1092 Use loop_num instead of loop->num.
1093 (move_spill_restore): Use loop_num instead of loop->num.
1095 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1096 (change_loop): Ditto.
1097 (change_loop): Use loop_num instead of loop->num.
1099 * ira-lives.c (process_bb_node_lives): Ditto.
1101 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1103 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1105 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1108 * tree-mudflap.c (mf_artificial): New function.
1109 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1110 mx_register_decls, mudflap_enqueue_decl): Use it.
1113 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1114 numbers in the insn pattern.
1116 2012-01-19 Michael Matz <matz@suse.de>
1118 PR tree-optimization/46590
1119 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1120 use it in remembering which conflicts we already created.
1121 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1124 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1127 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1128 (merge_and_complain): Same.
1130 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1133 * config/initfini-array.h: Guard content of the header
1134 with #ifdef HAVE_INITFINI_ARRAY.
1135 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1136 Add initfini-array.h to tm_file here.
1137 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1138 * config.gcc: Don't add initfini-array.h to tm_file here.
1139 * configure: Regenerated.
1141 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1143 PR rtl-optimization/51505
1144 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1145 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1146 (df_note_bb_compute): Update the call to df_kill_notes.
1148 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1150 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1152 2012-01-18 Richard Guenther <rguenther@suse.de>
1154 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1155 of conversions to void *.
1157 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1158 Richard Sandiford <rdsandiford@googlemail.com>
1162 * optabs.h (simplify_expand_binop): Declare.
1163 * optabs.c (simplify_expand_binop): Make global.
1164 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1165 endian targets if the source cannot be exactly covered by word
1168 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1171 * hard-reg-set.h (struct hard_reg_set_container): New type.
1172 * target.h (struct hard_reg_set_container): Forward declare.
1173 * target.def (set_up_by_prologue): New target hook.
1174 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1175 * doc/tm.texi: Regenerated.
1176 * function.c (thread_prologue_and_epilogue_insns): Change
1177 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1178 Call targetm.set_up_by_prologue on it.
1179 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1180 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1182 2012-01-17 Nick Clifton <nickc@redhat.com>
1184 * config/rx/rx.c (rx_can_use_simple_return): New function.
1185 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1186 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1188 2012-01-17 Richard Guenther <rguenther@suse.de>
1191 * expr.c (expand_assignment): Take address-space information
1192 from the address operand of MEM_REF and TARGET_MEM_REF.
1193 (expand_expr_real_1): Likewise.
1195 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1197 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1198 reload dump is requested.
1200 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1203 * trans-mem.c (requires_barrier): Call may_be_aliased.
1205 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1207 PR tree-optimization/51877
1208 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1209 call arguments and fndecls compare equal, instead return false if they
1210 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1211 both SSA_NAMEs that are valueized the same, or they satisfy
1214 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1216 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1218 * configure: Regenerate.
1220 2012-01-16 Jan Hubicka <jh@suse.cz>
1224 * convert.c (convert_to_integer): Use fold_convert for
1225 converting an INTEGER_CST to integer type.
1227 2012-01-16 Jason Merrill <jason@redhat.com>
1230 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1232 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1235 * config/s390/s390.c (s390_chunkify_start): Don't skip
1236 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1237 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1238 If insn is followed by NOTE_INSN_VAR_LOCATION or
1239 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1240 Don't use location of note insns.
1242 PR tree-optimization/51865
1243 * tree-inline.c (tree_function_versioning): Call remap_decl
1244 on DECL_RESULT whenever it has VOID_TYPE_P type.
1246 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1248 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1249 for calls to locally-binding MIPS16 functions if only the return
1250 type uses float regs.
1252 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1253 Richard Sandiford <rdsandiford@googlemail.com>
1255 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1256 (SYMBOL_32_HIGH): Likewise.
1257 (mips_output_tls_reloc_directive): Declare.
1258 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1259 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1260 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1261 (mips_lo_relocs, mips_hi_relocs): Make extern.
1262 (mips16_stub_function): Move up file.
1263 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1264 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1265 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1266 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1267 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1268 (mips_get_tp): Add MIPS16 support.
1269 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1270 Generalize DTPREL and TPREL handling.
1271 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1272 Add MIPS16 TLS support.
1273 (mips_output_tls_reloc_directive): New function.
1274 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1275 * config/mips/predicates.md (symbolic_operand_with_high)
1276 (tls_reloc_operand): New predicates.
1277 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1278 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1279 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1280 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1281 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1282 (*tls_get_tp_mips16_call_<mode>): Likewise.
1284 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1286 PR rtl-optimization/51821
1287 * recog.c (peep2_find_free_register): Determine clobbered registers
1290 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1293 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1294 * config/avr/avr.c: Likewise.
1295 * config/avr/avr.h: Likewise.
1297 2012-01-13 Ian Lance Taylor <iant@google.com>
1300 * tree.h (TYPE_QUALS): Add cast to int.
1301 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1303 2012-01-13 Ian Lance Taylor <iant@google.com>
1305 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1306 comparing param_index to VEC_length result.
1308 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1310 * c-decl.c: Do not include tree-mudflap.h
1311 * tree-optimize.c: Likewise.
1312 * Makefile.in: Update dependencies.
1314 2012-01-13 Richard Guenther <rguenther@suse.de>
1317 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1318 variable-sized result always use RSO.
1320 2012-01-12 DJ Delorie <dj@redhat.com>
1322 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1323 pointer type, not just the default pointer type.
1325 2012-01-09 Richard Henderson <rth@redhat.com>
1326 Denis Chertykov <chertykov@gmail.com>
1329 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1330 * config/avr/avr.c (avr_can_eliminate): Simplify.
1331 (avr_initial_elimination_offset): Likewise.
1332 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1333 (expand_epilogue): Likewise.
1334 (avr_legitimize_address): Gut.
1335 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1336 (avr_hard_regno_nregs): New.
1337 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1338 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1339 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1340 add soft frame pointer.
1341 (CALL_USED_REGISTERS): Likewise.
1342 (REG_CLASS_CONTENTS): Likewise.
1343 (REGISTER_NAMES): Likewise.
1344 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1345 (HARD_FRAME_POINTER_REGNUM): New.
1346 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1347 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1348 remove the HARD_FRAME_POINTER self-elimination.
1350 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1353 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1354 DECL_EXTERNAL when checking for initializers of progmem variables.
1356 2012-01-12 Ira Rosen <irar@il.ibm.com>
1358 PR tree-optimization/51799
1359 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1360 that the last operation is a type demotion.
1362 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1364 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1365 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1367 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1370 * combine.c (distribute_notes): If i3 is a noreturn call,
1371 allow old_size to be equal to args_size and make sure the
1372 noreturn call gets REG_ARGS_SIZE note.
1373 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1374 on noreturn calls even when the delta is 0.
1376 2012-01-11 Nathan Sidwell <nathan@acm.org>
1378 * gcov.c (STRING_SIZE): Remove.
1379 (generate_results): Erase annotations for source files with no
1380 coverage information.
1382 (output_lines): Use it.
1384 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1386 * gimple.h (gimplify_body): Remove first argument.
1387 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1388 pointer set here, instead just pass DATA to walk_tree.
1389 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1390 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1391 (unvisit_body): Likewise, but with unmark_visited.
1392 (gimplify_body): Remove BODY_P argument and adjust.
1393 (gimplify_function_tree): Adjust call to gimplify_body.
1394 * omp-low.c (finalize_task_copyfn): Likewise.
1396 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1398 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1399 (build_function_type_skip_args): Delete.
1400 * tree.c (build_function_type_skip_args): Make static and add
1401 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1402 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1403 pass it to build_function_type_skip_args.
1404 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1405 (tree_function_versioning): Likewise.
1406 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1407 build_function_decl_skip_args.
1408 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1409 and pass it to build_function_decl_skip_args/tree_function_versioning.
1410 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1411 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1412 * trans-mem.c (ipa_tm_create_version): Likewise.
1413 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1414 * tree-inline.c (declare_return_variable): Remove always-true test.
1415 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1416 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1417 * ipa-split.c (split_function): Skip the return value for the split
1418 part if it doesn't return.
1420 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1422 PR tree-optimization/49642
1423 * ipa-split.c (forbidden_dominators): New variable.
1424 (check_forbidden_calls): New function.
1425 (dominated_by_forbidden): Likewise.
1426 (consider_split): Check for forbidden dominators.
1427 (execute_split_functions): Initialize and free forbidden
1428 dominators info; call check_forbidden_calls.
1430 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1432 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1434 2012-01-11 Nick Clifton <nickc@redhat.com>
1436 * config/rx/rx.md (return): Define pattern.
1438 2012-01-11 Richard Guenther <rguenther@suse.de>
1440 * doc/extend.texi (malloc attribute): Adjust according to
1443 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1444 Patrick Marlier <patrick.marlier@gmail.com>
1447 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1448 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1449 (ipa_tm_note_irrevocable): Same.
1450 (ipa_tm_scan_irr_block): Same.
1451 (ipa_tm_decrement_clone_counts): Same.
1452 (ipa_tm_scan_irr_function): Same.
1453 (ipa_tm_create_version_alias): Same.
1454 (ipa_tm_create_version): Same.
1455 (ipa_tm_transform_calls_redirect): Same.
1456 (ipa_tm_transform_calls): Same.
1457 (ipa_tm_transform_transaction): Same.
1458 (ipa_tm_execute): Same.
1460 2012-01-10 Richard Guenther <rguenther@suse.de>
1463 * opts.c (common_handle_option): Handle -Werror.
1465 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1467 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1470 2012-01-10 Jason Merrill <jason@redhat.com>
1472 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1475 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1477 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1478 supports R_386_TLS_GD_PLT reloc.
1479 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1480 supports R_386_TLS_LDM_PLT reloc.
1481 * configure: Regenerate.
1482 * config.in: Regenerate.
1484 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1487 Extend __pgmx semantics to linearize memory.
1488 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1489 determine if code comes inline or from libgcc.
1490 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1491 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1492 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1493 (movmemx_qi, movmemx_hi): New insns.
1494 (xload_<mode>_libgcc): Rewrite to new insn condition.
1495 (xload_<mode>): Remove insns.
1496 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1497 cases that don't satisfy avr_xload_libgcc_p().
1498 (avr_addr_space_convert): Allow converting in any direction.
1499 (avr_addr_space_subset_p): Return always true.
1500 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1501 (avr_emit_movmemhi): Ditto.
1502 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1503 (avr_out_movmem): Ditto.
1504 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1505 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1506 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1507 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1508 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1510 2012-01-10 Richard Guenther <rguenther@suse.de>
1512 PR tree-optimization/50913
1513 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1514 Require data-refs to be representable by Graphite with respect
1517 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1519 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1520 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1522 2012-01-10 Tom de Vries <tom@codesourcery.com>
1524 PR rtl-optimization/51271
1525 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1526 handling annulled branch.
1528 2012-01-10 Richard Henderson <rth@redhat.com>
1530 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1531 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1532 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1533 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1534 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1535 arm_expand_vec_perm_const): New.
1536 * config/arm/arm-protos.h: Update.
1537 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1538 (*neon_vswp<VDQX>): New.
1539 (neon_vcombine<VDX>): Use neon_split_vcombine.
1540 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1541 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1542 (vec_perm<VE>): New.
1544 2012-01-10 Richard Henderson <rth@redhat.com>
1546 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1547 use it if reload_completed.
1548 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1549 arm_output_asm_insn, arm_process_output_memory_barrier,
1550 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1551 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1552 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1553 arm_process_output_sync_insn, arm_output_sync_insn,
1554 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1555 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1556 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1557 (emit_unlikely_jump): New.
1558 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1559 (arm_split_atomic_op): New.
1560 * config/arm/arm-protos.h: Update.
1561 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1562 (struct arm_sync_generator): Remove.
1563 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1564 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1565 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1566 (VUNSPEC_LL, VUNSPEC_SC): New.
1567 (sync_result, sync_memory, sync_required_value, sync_new_value,
1568 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1569 (attr length): Don't use arm_sync_loop_insns.
1570 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1571 (movsfcc, movdfcc): Likewise.
1572 * config/arm/constraints.md (Ua): New.
1573 * config/arm/prediates.md (mem_noofs_operand): New.
1574 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1575 (sync_clobber, sync_t2_reqd): Remove.
1576 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1577 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1578 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1579 (arm_sync_compare_and_swap<SIDI>): Remove.
1580 (arm_sync_compare_and_swap<NARROW>): Remove.
1581 (arm_sync_lock_test_and_set<SIDI>): Remove.
1582 (arm_sync_lock_test_and_set<NARROW>): Remove.
1583 (arm_sync_new_<syncop><SIDI>): Remove.
1584 (arm_sync_new_<syncop><NARROW>): Remove.
1585 (arm_sync_new_nand<SIDI>): Remove.
1586 (arm_sync_new_nand<NARROW>): Remove.
1587 (arm_sync_old_<syncop><SIDI>): Remove.
1588 (arm_sync_old_<syncop><NARROW>): Remove.
1589 (arm_sync_old_nand<SIDI>): Remove.
1590 (arm_sync_old_nand<NARROW>): Remove.
1591 (*memory_barrier): Merge arm_output_memory_barrier.
1592 (atomic_compare_and_swap<QHSD>): New.
1593 (atomic_compare_and_swap<NARROW>_1): New.
1594 (atomic_compare_and_swap<SIDI>_1): New.
1595 (atomic_exchange<QHSD>): New.
1596 (cas_cmp_operand, cas_cmp_str): New.
1597 (atomic_op_operand, atomic_op_str): New.
1598 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1599 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1600 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1601 (arm_load_exclusive<NARROW>): New.
1602 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1603 (arm_store_exclusive<QHSD>): New.
1605 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1607 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1608 reload patterns if -mvsx-scalar-memory.
1610 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1611 generated, even -mno-vsx-scalar-double was used.
1612 (vsx_xscvdpsp_scalar): Likewise.
1613 (vsx_xscvspdp_scalar2): Likewise.
1615 2012-01-09 Tom de Vries <tom@codesourcery.com>
1616 Andrew Pinski <apinski@cavium.com>
1619 * reorg.c (fill_slots_from_thread): Don't speculate
1620 frame-related insns.
1622 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1624 * sched-int.h (bb_note): Move to...
1625 * basic-block.h: ...here.
1626 * haifa-sched.c (bb_note): Move to...
1627 * cfgrtl.c: ...here.
1628 * function.c (next_block_for_reg): New function.
1629 (move_insn_for_shrink_wrap): Likewise.
1630 (prepare_shrink_wrap): Rewrite to use the above.
1632 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1634 * gimple.c (is_gimple_non_addressable): Remove.
1635 * gimple.h: Remove is_gimple_non_addressable.
1636 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1637 is_gimple_non_addressable.
1638 * trans-mem.c (expand_assign_tm): Same.
1640 2012-01-09 Richard Guenther <rguenther@suse.de>
1642 PR tree-optimization/51775
1643 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1644 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1646 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1648 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1650 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1652 2012-01-09 Richard Guenther <rguenther@suse.de>
1654 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1656 2012-01-08 Jan Hubicka <jh@suse.cz>
1658 PR tree-optimize/51680
1659 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1660 on when known_vals needs to be computed; cleanup.
1662 2012-01-08 Jan Hubicka <jh@suse.cz>
1664 PR tree-optimize/51694
1665 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1667 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1669 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1670 for -std=c++98 and -std=c++11 too.
1672 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1674 * cfgloop.c (cancel_loop): Add free() of bbs array.
1676 2012-01-07 Jan Hubicka <jh@suse.cz>
1678 PR tree-optimization/51600
1679 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1680 that benefits small functions.
1682 2012-01-07 Jan Hubicka <jh@suse.cz>
1684 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1686 2012-01-07 Jan Hubicka <jh@suse.cz>
1688 PR tree-optimization/51680
1689 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1690 whose inlining reduce unit size.
1692 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1695 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1696 Add canonical node to containing_mem chain after the non-canonical
1697 one, even if there weren't any locs to propagate.
1698 (remove_useless_values): Keep only canonical values.
1699 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1700 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1701 canonicalize mem_chain elements that are not discarded.
1703 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1706 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1707 before emitting functions.
1709 PR gcov-profile/50127
1710 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1711 clear_aux_for_blocks.
1713 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1716 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1718 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1720 * c-decl.c (ext_block): Moved up.
1721 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1723 2012-01-06 Han Shen <shenhan@google.com>
1725 Translate built-in include paths for sysroot.
1726 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1727 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1729 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1730 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1732 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1733 control whether sysroot should be prepended to gxx include dir.
1735 * configure: Regenerate.
1737 2012-01-06 Torvald Riegel <triegel@redhat.com>
1739 PR rtl-optimization/51771
1740 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1741 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1743 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1745 PR tree-optimization/51315
1746 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1747 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1749 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1752 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1753 for shrp pattern. Correctly handle and fixup shift variable.
1754 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1756 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1759 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1760 note when !ACCUMULATE_OUTGOING_ARGS.
1762 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1764 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1766 (extract_range_from_unary_expr_1): Avoid useless computations.
1768 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1770 PR rtl-optimization/51767
1771 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1772 of jump_block and add an extra edge for degenerated asm gotos.
1775 * stmt.c (check_unique_operand_names): Don't ICE during error
1776 reporting if i is from labels chain.
1779 * profile.c (branch_prob): Split bbs that have exit edge
1780 and need a fake entry edge too.
1782 2012-01-05 Jan Hubicka <jh@suse.cz>
1785 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1788 2012-01-05 Richard Guenther <rguenther@suse.de>
1791 * tree-streamer-out.c (write_ts_optimization): New function.
1792 (streamer_write_tree_body): Call it.
1793 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1794 (streamer_read_tree_body): Call it.
1795 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1797 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1800 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1801 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1802 in_cleanup_point_expr before gimplify_stmt call and restore it
1804 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1805 in_cleanup_point_expr is false.
1807 2012-01-05 Richard Guenther <rguenther@suse.de>
1810 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1812 * toplev.c (process_options): Reject combining mudflap and LTO.
1813 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1815 2012-01-05 Richard Guenther <rguenther@suse.de>
1817 PR tree-optimization/51760
1818 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1820 (bit_value_unop): Handle UNDEFINED operands.
1821 (bit_value_binop): Likewise.
1823 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1825 * config/avr/avr.c (avr_replace_prefix): Remove.
1826 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1827 (avr_asm_function_rodata_section): Ditto.
1828 (avr_asm_select_section): Ditto.
1830 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1832 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1835 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1838 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1839 calls that have any non-fake successor edges.
1842 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1844 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1846 PR tree-optimization/51624
1847 * tree-sra.c (build_ref_for_model): When replicating a chain of
1848 COMPONENT_REFs, stop as soon as the offset would become negative.
1850 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1853 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1854 in .debug_loc on the floor.
1856 2012-01-04 Andrew Pinski <apinski@cavium.com>
1858 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1860 2012-01-04 Andrew Pinski <apinski@cavium.com>
1861 Adam Nemet <anemet@caviumnetworks.com>
1863 * config/mips/mips.md (size): Add SI and DI.
1864 (SIZE): New mode attribute.
1865 (U): New code attribute.
1866 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1867 (mips_lbux_<mode>): Delete.
1868 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1869 (mips_lhx): Use gen_mips_lhx_extsi.
1870 (mips_lhx_<mode>): Delete.
1872 (mips_l<size>x): New expand.
1873 (mips_lwx_<mode>): Delete.
1874 (mips_l<GPR:size>x_<P:mode>): New pattern.
1875 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1876 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1877 * config/mips/mips.c (mips_lx_address_p): New function.
1878 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1879 (dsp64): New availability predicate.
1880 (mips_builtins): Add an entry for __builtin_mips_ldx.
1881 * config/mips/mips.h (ISA_HAS_LBX): New define.
1882 (ISA_HAS_LBUX): Likewise.
1883 (ISA_HAS_LHX): Likewise.
1884 (ISA_HAS_LHUX): Likewise.
1885 (ISA_HAS_LWX): Likewise.
1886 (ISA_HAS_LWUX): Likewise.
1887 (ISA_HAS_LDX): Likewise.
1888 * doc/extend.texi (__builtin_mips_ldx): Document.
1890 2012-01-04 Tristan Gingold <gingold@adacore.com>
1892 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1893 when long pointers are used.
1894 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1895 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1896 (ia64-hp-*vms*): Remove.
1897 * config/vms/xm-vms64.h: Delete.
1899 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1902 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1904 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1906 * opts.c (finish_options): Remove duplicate sorry.
1908 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1911 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1914 2012-01-04 Richard Guenther <rguenther@suse.de>
1917 * tree.c (size_low_cst): New function.
1918 * tree.h (size_low_cst): Declare.
1919 * fold-const.c (fold_comparison): Use it to extract the low
1920 part of the POINTER_PLUS_EXPR offset.
1922 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1924 Fix clearing ZERO_REG
1925 * config/avr/avr.md (cc): Add alternative "ldi".
1926 (movqi_insn): Use it in cc attribute.
1927 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1928 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1929 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1931 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1933 * configure: Regenerate.
1935 2012-01-04 Richard Guenther <rguenther@suse.de>
1937 PR tree-optimization/49651
1938 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1939 (var_can_have_subvars): Use it.
1940 (get_constraint_for_1): Only consider subfields if there can be any.
1942 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1945 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1946 to its new canonical_cselib_val and the cselib_val was in
1947 first_containing_mem chain, but the canonical_cselib_val was not,
1948 add the latter into the chain.
1949 (cselib_invalidate_mem): Compare canonical_cselib_val of
1950 addr_list chain elt with v.
1953 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1954 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1956 (output_macinfo_op): Don't ggc_strdup fd->filename.
1957 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1958 then ggc_strdup it. Don't free inc->info or cur->info.
1959 (output_macinfo): Don't free ref->info or file->info.
1961 2012-01-03 Ira Rosen <irar@il.ibm.com>
1963 PR tree-optimization/51269
1964 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1965 first_niters a pointer.
1966 (slpeel_tree_peel_loop_to_edge): Likewise.
1967 (vect_do_peeling_for_loop_bound): Update call to
1968 slpeel_tree_peel_loop_to_edge.
1969 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1970 here. Remove it from the parameters list.
1971 (vect_do_peeling_for_alignment): Update calls and compute
1974 2012-01-03 Richard Guenther <rguenther@suse.de>
1976 PR tree-optimization/51070
1977 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1978 Properly handle calls.
1980 2012-01-03 Richard Guenther <rguenther@suse.de>
1982 PR tree-optimization/51692
1983 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1984 the LHS of allocation stmts.
1986 2012-01-03 Olivier Hainque <hainque@adacore.com>
1988 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1990 2012-01-03 Olivier Hainque <hainque@adacore.com>
1992 * collect2.c (main): In AIX specific computations for vector
1993 insertions, use CONST_CAST2 to cast from char ** to const char **.
1995 2012-01-03 Richard Guenther <rguenther@suse.de>
1998 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1999 the context of a limbo DIE when it does not already exist.
2001 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2003 PR tree-optimization/51719
2004 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2005 but direct call is, clear direct call's lhs and don't add fallthrough
2006 edge from dcall_bb to join_bb and PHIs.
2008 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2010 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2011 the instructions emitted by the pattern.
2012 ("*TDC_insn_<mode>"): Add comment.
2014 2012-01-03 Richard Guenther <rguenther@suse.de>
2017 * fold-const.c (fold_comparison): Properly canonicalize
2018 tree offset and HOST_WIDE_INT bit position.
2020 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2022 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2023 operands for extzv pattern.
2025 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2028 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2031 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2033 * doc/invoke.texi (-flto and related options): Copy-edit.
2035 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2037 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2039 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2041 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2044 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2046 * expr.h (move_by_pieces_ninsns): Declare.
2047 * expr.c (move_by_pieces_ninsns): Make external.
2048 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2049 (mips_store_by_pieces_p): Likewise.
2050 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2051 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2052 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2053 (mips_store_by_pieces_p): Likewise.
2055 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2057 * passes.c (register_one_dump_file): Free full_name.
2059 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2060 (calculate_elim_costs_all_insns): Free offsets_at and
2061 offsets_known_at at the end and clear the pointers.
2063 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2065 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2066 this option introduced in r180739.
2068 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2071 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2072 (tmake_file target=avr): Add avr/t-multilib.
2074 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2075 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2076 * config/avr/genmultilib.awk: New file.
2077 * config/avr/t-multilib: New auto-generated file.
2078 * config/avr/multilib.h: New auto-generated file.
2079 * config/avr/t-avr (AVR_MCUS): New variable.
2080 (genopt.sh): Use it.
2081 (s-mlib): Depend on t-multilib.
2082 (t-multilib, multilib.h): New dependencies.
2083 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2084 (MULTILIB_OPTIONS): Remove.
2085 (MULTILIB_MATCHES): Remove.
2086 (MULTILIB_DIRNAMES): Remove.
2087 (MULTILIB_EXCEPTIONS): Remove:
2088 * config/avr/genopt.sh: Don't use hard coded file name;
2089 pass AVR_MCUS from t-avr instead.
2091 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2093 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2095 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2097 Implement light-weight DImode support.
2098 * config/avr/avr-dimode.md: New file.
2099 * config/avr/avr.md: Include it.
2100 (adjust_len): Add plus64, compare64.
2101 (HIDI): Remove code iterator.
2102 (code_stdname): New code attribute.
2103 (rotx, rotsmode): Remove DI.
2104 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2106 * config/avr/avr-protos.h (avr_have_dimode): New.
2107 (avr_out_plus64, avr_out_compare64): New.
2108 * config/avr/avr.c (avr_out_compare): Handle DImode.
2109 (avr_have_dimode): New variable definition and initialization.
2110 (avr_out_compare64, avr_out_plus64): New functions.
2111 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2112 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2113 (avr_compare_pattern): Skip DImode comparisons.
2115 2012-01-02 Revital Eres <revital.eres@linaro.org>
2117 * ddg.c (def_has_ccmode_p): New function.
2118 (add_cross_iteration_register_deps,
2119 create_ddg_dep_from_intra_loop_link): Call it.
2121 2012-01-02 Richard Guenther <rguenther@suse.de>
2124 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2126 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2128 * gcc.c (process_command): Update copyright notice dates.
2129 * gcov.c (print_version): Likewise.
2130 * gcov-dump.c (print_version): Likewise.
2131 * mips-tfile.c (main): Likewise.
2132 * mips-tdump.c (main): Likewise.
2134 2012-01-01 Ira Rosen <irar@il.ibm.com>
2136 PR tree-optimization/51704
2137 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2138 a use is inside the basic block or loop before accessing its vect info.
2140 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2142 PR rtl-optimization/51069
2143 * cfgloopmanip.c (remove_path): Removing path making irreducible
2144 region unconditional makes BB part of the region.
2146 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2148 PR tree-optimization/51683
2149 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2150 calls with side-effects.
2151 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2153 Copyright (C) 2012 Free Software Foundation, Inc.
2155 Copying and distribution of this file, with or without modification,
2156 are permitted in any medium without royalty provided the copyright
2157 notice and this notice are preserved.
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