1 2012-02-08 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/46886
4 * tree-flow.h (do_while_loop_p): Declare.
5 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
6 * tree-parloops.c (parallelize_loops): Only parallelize do-while
9 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
11 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
12 always succeed for integers larger than a native word.
14 2012-02-08 Richard Guenther <rguenther@suse.de>
16 PR rtl-optimization/52170
17 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
18 properly handle integer vector modes.
20 2012-02-08 Jakub Jelinek <jakub@redhat.com>
23 * coverage.c: Include target.h.
24 (build_var): Call targetm.strip_name_encoding on the assembler name.
25 Change one _ into . or $ if the target allows it.
26 * Makefile.in (coverage.o): Depend on $(TARGET_H).
28 PR rtl-optimization/52139
29 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
30 is a BARRIER after emit_insn_after_noloc, move BB_END
31 to the last non-BARRIER insn before it.
33 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
36 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
37 (mips_gimplify_va_arg_expr): Call it instead of
38 std_gimplify_va_arg_expr.
40 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
42 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
43 message for -mno-pointers-to-nested-function.
45 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
48 * expr.c (get_inner_reference): If there is an offset, add a negative
49 bit position to it (if any).
51 2012-02-07 Jakub Jelinek <jakub@redhat.com>
53 PR rtl-optimization/52060
54 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
55 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
56 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
57 and/or i0src_copy2 when needed.
59 2012-02-07 Jakub Jelinek <jakub@redhat.com>
61 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
62 or LTOPLUGINSONAME if have_c.
64 * config/freebsd-spec.h: Add comment about what macros can be defined
66 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
67 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
70 2012-02-07 Richard Guenther <rguenther@suse.de>
72 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
73 newline in -alias dumps.
75 2012-02-07 Kai Tietz <ktietz@redhat.com>
76 Dave Korn <dave.korn.cygwin@gmail.com>
79 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
80 Take care that typinfo gets dllexport-attribute.
82 2012-02-07 Jakub Jelinek <jakub@redhat.com>
85 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
86 if modifier < EXPAND_SUM call force_operand on the result.
88 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
90 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
91 adding __forwarder_dst__ prefix if a forwarder_section attribute is
93 (epiphany_function_type): Replace types for specific interrupts with
94 EPIPHANY_FUNCTION_INTERRUPT.
95 (EPIPHANY_INTERRUPT_P): Update.
96 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
98 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
99 <disinterrupt>: Affects type identity.
100 (epiphany_handle_interrupt_attribute): Handle variable number of
102 (epiphany_compute_function_type): Update for new
103 epiphany_function_type definition.
104 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
105 handlers with a longcall forwarder.
106 (epiphany_start_function): Handle multiple interrupt arguments and/or
107 forwarder_section attribute.
109 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after libgloss.
111 2012-02-07 Alan Modra <amodra@gmail.com>
114 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
117 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
119 PR tree-optimization/50969
120 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
121 use vec_perm rather than vector_stmt.
122 (vect_model_load_cost): Likewise.
123 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
124 vec_perm to be the same as other vector statements.
125 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
126 cost of vec_perm for TARGET_VSX.
128 2012-02-06 Richard Guenther <rguenther@suse.de>
130 PR tree-optimization/52115
131 * tree-sra.c (access_has_replacements_p): New function.
132 (sra_modify_assign): Use it to decide whether a use is uninitialized.
134 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
137 * trans-mem.c (expand_call_tm): Add an assertion.
138 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
141 2012-02-06 Richard Guenther <rguenther@suse.de>
143 PR tree-optimization/50955
144 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
145 raise cost of expressions that replace an address with an
146 expression based on a different pointer.
148 2012-02-06 Jakub Jelinek <jakub@redhat.com>
151 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
152 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
154 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
157 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
158 -Weffc++ and specify guidelines come from second edition.
160 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
162 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
163 (sibcall_value_multiple_internal, call_split, call_internal_direct)
164 (call_direct_split, call_value_split, call_value_internal_direct)
165 (call_value_direct_split, call_value_multiple_split): Use jal and
166 jal_macro attributes.
168 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
170 * reload1.c (reload_regs_reach_end_p): Replace with...
171 (reload_reg_rtx_reaches_end_p): ...this function.
172 (new_spill_reg_store): Update commentary.
173 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
174 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
175 before setting new_spill_reg_store.
176 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
177 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
178 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
179 for non-spill reload registers.
181 2012-02-05 Ira Rosen <irar@il.ibm.com>
183 PR tree-optimization/52091
184 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
185 (vect_is_simple_use_1): Likewise.
186 * tree-vect-loop.c (vectorizable_reduction): Update calls
187 to vect_is_simple_use_1 and vect_is_simple_use.
188 (vectorizable_live_operation): Likewise.
189 * tree-vect-patterns.c (widened_name_p,
190 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
192 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
193 vectorizable_call, vectorizable_conversion,
194 vectorizable_assignment, vectorizable_shift,
195 vectorizable_operation, vectorizable_store, vectorizable_load):
197 (vect_is_simple_cond): Add an argument, pass it to
198 vect_is_simple_use_1.
199 (vectorizable_condition): Update calls to vect_is_simple_cond,
201 (vect_is_simple_use): Add an argument, the statement in which
202 OPERAND is used. Check that if OPERAND's def stmt is a double
203 reduction phi node, the use is a phi node too.
204 (vect_is_simple_use_1): Add an argument, pass it to
206 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
207 to vect_is_simple_use.
209 2012-02-04 Jakub Jelinek <jakub@redhat.com>
211 PR rtl-optimization/52095
212 * modulo-sched.c (dump_insn_locator): New function.
213 (loop_canon_p, sms_schedule): Use it.
215 PR rtl-optimization/52113
216 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
217 even for decomposable shift/zext insns.
219 2012-02-03 Jakub Jelinek <jakub@redhat.com>
220 Zdenek Dvorak <ook@ucw.cz>
222 PR rtl-optimization/52092
223 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
224 on get_iv_value result.
226 2012-02-02 Andrew Pinski <apinski@cavium.com>
230 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
232 2012-02-02 Jakub Jelinek <jakub@redhat.com>
235 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
237 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
239 PR rtl-optimization/49800
240 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
241 (sched_finish): Call regstat_free_n_sets_and_refs.
243 2012-02-02 Jia Liu <proljc@gmail.com>
245 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
248 2012-02-02 Jan Hubicka <jh@suse.cz>
249 Tom de Vries <tom@codesourcery.com>
252 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
253 * varpool.c (varpool_analyze_pending_decls): Likewise.
255 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
256 Jayant R Sonar <jayant.sonar@kpitcummins.com>
258 * config.gcc: Add cr16-* support.
260 * doc/extend.texi: Document cr16 extensions.
261 * doc/install.texi: Document cr16 install.
262 * doc/invoke.texi: Document cr16 options.
263 * doc/md.texi: Document cr16 constraints.
265 * common/config/cr16/cr16-common.c: New file.
266 * config/cr16/cr16.c: New file.
267 * config/cr16/cr16.h: New file.
268 * config/cr16/cr16.md: New file.
269 * config/cr16/cr16.opt: New file.
270 * config/cr16/cr16-protos.h: New file.
271 * config/cr16/predicates.md: New file.
272 * config/cr16/constraints.md: New file.
273 * config/cr16/t-cr16: New file.
275 2012-02-02 Jakub Jelinek <jakub@redhat.com>
278 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
279 that operands[2] is either immediate, or q_regs_operand.
281 PR tree-optimization/52073
282 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
283 a pattern stmt for pattern uses, ignore uses outside of the loop.
285 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
287 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
288 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
289 (OUT_AS1, OUT_AS2): Remove.
291 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
293 PR rtl-optimization/51374
294 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
295 to cross other volatile_refs_p insns.
297 2012-02-01 Richard Guenther <rguenther@suse.de>
299 * doc/invoke.texi (fno-inline): Clarify documentation.
300 (finline-small-functions): Likewise.
301 (finline-functions): Likewise.
302 * common.opt (finline): Adjust comment and documentation.
303 (finline-small-functions): Clarify documentation.
304 (finline-functions): Likewise.
305 (finline-functions-called-once): Likewise.
307 2012-02-01 Tristan Gingold <gingold@adacore.com>
309 * c-typeck.c (composite_type): Keep mode for pointers.
311 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
313 * function.h (regno_reg_rtx): Adjust comment.
314 * reginfo.c (init_reg_modes_target): Only use the previous mode
315 if it fits within one register. Remove MIPS comment.
317 2012-01-31 Jakub Jelinek <jakub@redhat.com>
320 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
322 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
324 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
327 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
329 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
332 2012-01-31 Jakub Jelinek <jakub@redhat.com>
337 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
339 2012-01-31 Richard Guenther <rguenther@suse.de>
341 PR tree-optimization/51528
342 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
345 2012-01-31 Jakub Jelinek <jakub@redhat.com>
350 * ree.c (add_removable_extension): Change def_map argument
351 to unsigned *, store in def_map 1 + offset into *insn_list vector
352 instead of pointers into the vector.
353 (find_removable_extensions): Adjust caller.
355 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
357 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
358 Transform all "* quoted-c-code" to { c-code }.
359 Remove redundant test for "optimize" in combine patterns.
360 Move (include "avr-dimode.md") to end of file.
362 2012-01-30 Bin Cheng <bin.cheng@arm.com>
365 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
366 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
368 2012-01-30 Richard Guenther <rguenther@suse.de>
370 PR tree-optimization/52028
371 * tree-loop-distribution.c (ldist_gen): Properly update
374 2012-01-30 Jakub Jelinek <jakub@redhat.com>
377 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
378 set_cur_line_info_table if not emitting debug info.
380 PR tree-optimization/52046
381 * tree-vect-patterns.c (check_bool_pattern): Give up if
382 a comparison could throw.
385 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
387 2012-01-30 Richard Guenther <rguenther@suse.de>
389 PR tree-optimization/52045
390 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
391 SSA form if cfgcleanup did anything.
393 2012-01-30 Richard Guenther <rguenther@suse.de>
395 PR tree-optimization/52045
396 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
397 before computing final todo.
399 2012-01-30 Richard Guenther <rguenther@suse.de>
401 PR tree-optimization/51528
402 * tree-sra.c (sra_modify_assign): Re-factor in preparation
405 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
407 * df-problems.c (df_kill_notes): Check that the use refers
408 to the note under examination.
410 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
413 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
414 parameter and use short-lived pseudos.
415 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
416 (sparc_expand_vector_init): Const-ify local variables and adjust
417 calls to above functions.
419 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
421 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
423 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
425 * doc/invoke.texi: Make usage of "compile time" and
426 "run time"/"runtime" consistent throughout the file.
428 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
430 * config/alpha/alpha.c (alpha_option_overrride): Default to
431 full IEEE compliance mode for Go language.
433 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
435 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
436 (LINK_SSP_SPEC): Define.
438 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
441 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
444 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
446 * doc/invoke.texi: Correct hyphenation of "floating point",
447 "double precision", and related terminology throughout the file.
449 2012-01-28 Jakub Jelinek <jakub@redhat.com>
452 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
453 arm_general_register_operand predicate for operand 2 instead of
456 2012-01-27 Ian Lance Taylor <iant@google.com>
459 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
460 * builtins.c (expand_builtin_init_trampoline): Add onstack
461 parameter. Change caller.
462 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
463 * tree.c (build_common_builtin_nodes): Declare
464 __builtin_init_heap_trampoline.
466 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
468 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
469 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
470 * config/avr/avr.c: Ditto.
471 (avr_regnames): Remove because unused.
472 * config/avr/avr.md (*cpse.ne): New peephole.
473 (*cpse.eq): New peephole from former cpse peepholes.
475 2012-01-27 Michael Eager <eager@eagercon.com>
477 * config/microblaze.c (microblaze_emit_compare): Correct
478 test after pcmp instruction.
480 2012-01-27 Richard Guenther <rguenther@suse.de>
482 PR tree-optimization/52020
483 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
485 2012-01-27 Richard Guenther <rguenther@suse.de>
487 * ipa-pure-const.c (check_stmt): Clobbers do not make a
488 function non-const/pure.
490 2012-01-27 Richard Guenther <rguenther@suse.de>
492 PR tree-optimization/50444
493 * tree-sra.c (build_ref_for_offset): Properly adjust the
494 MEM_REF type for unaligned accesses.
496 2012-01-27 Richard Guenther <rguenther@suse.de>
498 PR tree-optimization/50444
499 * expr.c (mem_ref_refers_to_non_mem_p): New function.
500 (expand_assignment): Use it. Properly handle misaligned
501 bases when expanding stores to component references.
502 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
505 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
508 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
509 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
510 * tree-data-ref.c (find_data_references_in_loop): Make static.
511 (compute_all_dependences): Change return type to bool. Bail out
512 for too many datarefs in a loop. Move the hunk resetting the data
513 dependences vector from ...
514 (compute_data_dependences_for_loop): ... here. Account for
515 compute_all_dependences returning false.
516 (compute_data_dependences_for_bb): Likewise.
517 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
518 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
520 2012-01-27 Richard Guenther <rguenther@suse.de>
523 * expr.c (store_field): Use the alias-set of the scratch memory
526 2012-01-27 Tom de Vries <tom@codesourcery.com>
528 PR tree-optimization/51990
529 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
531 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
533 2012-01-27 Jakub Jelinek <jakub@redhat.com>
536 * var-tracking.c (reverse_op): Don't add any reverse operation
537 if V already has any constant locations.
539 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
541 * doc/invoke.texi: Correct usage of "command line" (noun)
542 vs "command-line" (adjective) throughout.
544 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
546 * doc/invoke.texi (Language Independent Options): Move
547 -Wcoverage-mismatch blurb from here....
548 (Warning Options): ...to here.
550 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
552 * config/rs6000/rs6000.c (rs6000_option_override_internal):
553 Set rs6000_always_hint to false for 476.
555 2012-01-27 Matthias Klose <doko@ubuntu.com>
557 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
559 * incpath.c (add_standard_paths): Likewise.
561 2012-01-27 Richard Henderson <rth@redhat.com>
563 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
564 * config/m68k/sync.md (atomic_test_and_set): Rename from
565 sync_test_and_setqi and adjust the operands.
566 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
567 and unconditionally enable.
569 2012-01-27 Richard Henderson <rth@redhat.com>
571 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
572 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
573 (ldstub): Rename from ldstubqi.
574 (ldstub<I24MODE>): Remove.
576 2012-01-27 Richard Henderson <rth@redhat.com>
578 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
579 * c-cppbuiltin.c (cpp_atomic_builtins): Define
580 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
581 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
582 * doc/tm.texi: Rebuild.
584 2012-01-27 Richard Henderson <rth@redhat.com>
586 * optabs.c (gen_atomic_test_and_set): Remove default.
587 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
589 2012-01-26 Jakub Jelinek <jakub@redhat.com>
591 PR rtl-optimization/51978
592 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
593 (combine_reaching_defs): Likewise.
594 (struct re_info): Remove.
595 (add_removable_extension): Remove x and data arguments,
596 add insn, insn_list and def_map. Use the arguments directly
597 instead of using struct re_info.
598 (find_removable_extensions): Don't call add_removable_extension
599 through note_stores, instead just call it with single_set
601 (find_and_remove_re): Pass curr_cand->expr instead of
602 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
604 2012-01-26 Michael Matz <matz@suse.de>
606 PR tree-optimization/46590
607 * cfgexpand.c: Revert last change (r183305).
608 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
610 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
611 checking for emptiness.
613 2012-01-26 Jakub Jelinek <jakub@redhat.com>
616 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
617 non-addressable non-BLKmode base correctly.
619 2012-01-26 Michael Matz <matz@suse.de>
621 PR tree-optimization/48794
622 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
623 regions referenced from RESX/EH_DISPATCH.
625 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
627 * config/s390/s390.h: Make BRANCH_COST an option.
628 * config/s390/s390.opt: New option -mbranch-cost.
630 2012-01-26 Richard Henderson <rth@redhat.com>
632 Revert 2012-01-24 change:
633 * trans-mem.c (requires_barrier): Do not instrument thread local
634 variables and emit save/restore for them.
636 2012-01-25 Jakub Jelinek <jakub@redhat.com>
639 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
642 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
644 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
647 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
650 Rename __pgm to __flash.
651 Rename __pgm1 to __flash1.
652 Rename __pgm2 to __flash2.
653 Rename __pgm3 to __flash3.
654 Rename __pgm4 to __flash4.
655 Rename __pgm5 to __flash5.
656 Rename __pgmx to __memx.
657 * doc/extend.texi (AVR Named Address Spaces)
658 Rename address space names as indicated above.
659 * config/avr/avr.c (avr_addrspace): Ditto.
661 * config/avr/avr-protos.h
662 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
663 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
664 * config/avr/predicates.md: Ditto.
665 * config/avr/avr.c Ditto, and
666 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
667 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
669 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
670 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
671 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
672 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
673 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
674 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
675 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
676 * config/avr/avr.c: Ditto.
677 * config/avr/avr.md: Ditto.
679 2012-01-25 Jason Merrill <jason@redhat.com>
682 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
684 2012-01-25 Jakub Jelinek <jakub@redhat.com>
686 PR tree-optimization/51987
687 * tree-data-ref.c (get_references_in_stmt): Handle references in
688 non-volatile GIMPLE_ASM.
690 2012-01-25 Richard Guenther <rguenther@suse.de>
692 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
693 bases are dereferenced.
695 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
697 PR rtl-optimization/48374
698 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
700 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
702 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
703 compute_data_dependences_for_loop returns false.
704 * tree-parloops.c (loop_parallel_p): Likewise.
706 2012-01-25 Richard Guenther <rguenther@suse.de>
708 * tree.h (get_pointer_alignment_1): Declare.
709 * builtins.c (get_pointer_alignment_1): New function.
710 (get_pointer_alignment): Use it.
712 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
714 PR rtl-optimization/48308
715 * combine.c (enum undo_kind): Add UNDO_LINKS.
716 (struct undo): Add member l to other_contents and where.
717 (do_SUBST_LINK): New.
719 (try_combine): Handle LOG_LINKS for the dummy i1 case.
720 (undo_all): Handle UNDO_LINKS.
722 2012-01-25 Richard Henderson <rth@redhat.com>
724 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
727 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
729 * optabs.c (gen_atomic_test_and_set): Use each argument.
731 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
733 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
734 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
735 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
736 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
737 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
738 TARGET_PAIRED_SINGLE_FLOAT.
740 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
742 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
743 (in_struct, return_val): Remove MEM documentation.
744 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
745 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
746 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
748 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
749 * cfgexpand.c (add_alias_set_conflicts): Likewise.
750 * expr.c (store_field): Likewise.
751 * function.c (assign_stack_temp_for_type): Likewise.
752 * ifcvt.c (noce_try_cmove_arith): Likewise.
753 * reload1.c (reload): Likewise.
754 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
755 (alpha_set_memflags): Likewise.
756 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
758 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
760 * rtl.h (true_dependence, canon_true_dependence): Remove varies
762 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
763 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
764 (true_dependence_1, true_dependence, canon_true_dependence): Remove
766 * cselib.c (cselib_rtx_varies_p): Delete.
767 (cselib_invalidate_mem): Update call to canon_true_dependence.
768 * dse.c (record_store, check_mem_read_rtx): Likewise.
769 (scan_reads_nospill): Likewise.
770 * cse.c (check_dependence): Likewise.
771 (cse_rtx_varies_p): Delete.
772 * expr.c (safe_from_p): Update call to true_dependence.
773 * ira.c (validate_equiv_mem_from_store): Likewise.
774 (memref_referenced_p): Likewise.
775 * postreload-gcse.c (find_mem_conflicts): Likewise.
776 * sched-deps.c (sched_analyze_2): Likewise.
777 * store-motion.c (load_kills_store): Likewise.
778 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
779 * gcse.c (mems_conflict_for_gcse_p): Likewise.
780 (compute_transp): Update call to canon_true_dependence.
782 2012-01-25 Richard Henderson <rth@redhat.com>
784 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
785 (maybe_emit_atomic_test_and_set): New.
786 (expand_sync_lock_test_and_set): Use it.
787 (expand_atomic_test_and_set): Likewise.
788 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
789 the implementation; clarify implementation defined details.
790 * doc/md.texi (atomic_test_and_set): Document.
792 2012-01-25 Richard Henderson <rth@redhat.com>
794 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
796 2012-01-25 Richard Henderson <rth@redhat.com>
799 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
800 to effect no-op split.
802 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
805 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
806 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
807 (BT_FN_VOID_PTR_INT_SIZE): New.
808 (BT_FN_UINT_UINT_VAR): Remove.
809 (BT_FN_UINT32_UINT32_VAR): New.
810 (BT_FN_DOUBLE_VPTR): Remove.
811 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
813 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
814 (_ITM_changeTransactionMode): Same.
815 (_ITM_memmoveRtWt): Change return type to void.
816 (_ITM_memcpyRtWt): Same.
817 (_ITM_memsetW): Same.
818 (_ITM_RaRD): Change types to double.
823 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
825 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
826 Patrick Marlier <patrick.marlier@gmail.com>
828 * trans-mem.c (requires_barrier): Do not instrument thread local
829 variables and emit save/restore for them.
831 2012-01-24 Jason Merrill <jason@redhat.com>
834 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
835 output static aliases.
837 2012-01-24 Jakub Jelinek <jakub@redhat.com>
840 * common.opt (-pie, -shared, pie, shared): Change from Common to
842 * gcc.c (display_help): Display help for -pie and -shared.
844 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
847 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
848 Remove note on size/offset limitation.
849 (AVR Variable Attributes): Add example how to read data located
850 with progmem. Refer to named address spaces.
851 * doc/invoke.texi (AVR Options): Fix typo.
853 2012-01-24 Richard Guenther <rguenther@suse.de>
855 Forward-port to trunk
856 2010-09-21 Jakub Jelinek <jakub@redhat.com>
859 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
860 op0 isn't sufficiently aligned and there is movmisalignM
861 insn for mode, use it to load op0 into a temporary register.
863 2012-01-24 Jakub Jelinek <jakub@redhat.com>
866 * target.def (const_not_ok_for_debug_p): New hook.
867 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
869 * doc/tm.texi: Regenerated.
870 * dwarf2out.c (const_ok_for_output_1): If
871 targetm.const_not_ok_for_debug_p returns true, fail.
872 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
874 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
876 2012-01-23 Kai Tietz <ktietz@redhat.com>
879 * config/i386/predicates.md (symbolic_operand): Allow
880 UNSPEC_PCREL as PIC expression for lea.
881 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
882 * config/i386/i386.c (ix86_delegitimize_address): Handle
883 UNSPEC_PCREL for none-MEM, too.
885 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
887 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
888 (ipa_tm_create_version_alias): Same.
890 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
893 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
894 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
896 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
897 Patrick Marlier <patrick.marlier@gmail.com>
898 Iain Sandoe <developer@sandoe-acoustics.co.uk>
901 * lto-wrapper.c (run_gcc): Pass the LTO section name to
902 simple_object_start_read.
904 2012-01-23 Richard Guenther <rguenther@suse.de>
907 PR tree-optimization/51895
908 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
909 parameter decomposition into BLKmode components.
911 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
913 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
914 fake variables for restrict-qualified pointers whose pointed-to type
915 contains a placeholder.
917 2012-01-23 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/51949
920 * ipa-split.c (execute_split_functions): Do not split malloc functions.
922 2012-01-23 Jakub Jelinek <jakub@redhat.com>
924 PR rtl-optimization/51933
925 * ree.c (transform_ifelse): Return true right away if dstreg is
926 already wider or equal to cand->mode.
927 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
928 (make_defs_and_copies_lists): Remove defs_list and copies_list
929 arguments, add state argument, just truncate state->work_list
930 instead of always allocating and freeing the vector. Assert that
931 get_defs succeeds instead of returning 2. Changed return type to bool.
932 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
933 have ext_src_mode, see if it has been modified already with the
934 right kind of extension and has been extended before from the
935 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
936 just return true. Remember the original mode in state->modified array.
937 (combine_reaching_defs): Add state argument. Don't allocate and
938 free here def_list, copied_list and vec vectors, instead just
939 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
940 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
941 Add state variable, clear vectors in it, initialize state.modified
942 if needed. Free all the vectors at the end and state.modified too.
943 Don't skip a candidate if the extension expression has been modified.
945 2012-01-22 Douglas B Rupp <rupp@gnat.com>
948 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
949 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
950 (extra_options) interix.opt -> i386/interix.opt"
951 (extra_objs):Add winnt-stubs.o
952 * configure.ac: Add interix to target_os .comm on PE check.
953 * configure: Regenerate.
954 * config/interix3.h: Delete and move bits to..
955 * config/interix.h: Delete and move bits to..
956 * config/i386/i386-interix3.h: Delete and move bits to..
957 * config/i386/i386-interix.h: ..here.
958 (TARGET_CPU_DEFAULT): Remove redefinition.
959 (TARGET_ASM_CONSTRUCTOR): Undefine.
960 (SUBTARGET_SWITCHES): Define for ms-bitfields.
961 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
962 (PTRDIFF_TYPE): Define.
963 (LONG_DOUBLE_TYPE_SIZE): Define.
964 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
965 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
966 (TARGET_SECTION_TYPE_FLAGS): Define.
967 (ASM_DECLARE_FUNCTION_NAME): Define.
968 (ASM_OUTPUT_EXTERNAL): Define.
969 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
970 (ASM_OUTPUT_ALIGNED_BSS): Define.
971 (PCC_BITFIELD_TYPE_MATTERS): Define.
972 (USE_CONST_SECTION): Define.
973 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
974 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
975 (SUPPORTS_ONE_ONLY): Remove.
976 (I386_PE_STRIP_ENCODING): Define.
977 * config/interix.opt: Delete and move bits to..
978 * config/i386/interix.opt: ..here. New.
979 (mpe-aligned-commons): Add.
980 * config/i386/t-interix: Add copyright header.
981 (winnt-stubs.o): Add rule.
983 2012-01-22 Jason Merrill <jason@redhat.com>
986 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
987 for extra name aliases.
989 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
991 PR rtl-optimization/51924
992 * ree.c (combine_set_extension): Improve debugging message.
993 (combine_reaching_defs): Likewise.
994 (get_defs): Rename confusingly named variable.
995 (find_and_remove_re): Skip a candidate if the extension expression has
998 2012-01-21 Robert Millan <rmh@gnu.org>
999 Gerald Pfeifer <gerald@pfeifer.com>
1001 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1002 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1004 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1006 PR tree-optimization/51914
1007 * tree-vect-stmts.c (vectorizable_conversion): For
1008 cvt_type && modifier == WIDEN, put temporary with cvt_type
1009 at the beginning of vec_dsts and set vec_dest to temporary
1012 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1014 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1016 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1018 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1019 * config/rs6000/rs6000.c: Likewise.
1021 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1024 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1025 output_move_double on a copy of operands array.
1027 2012-01-20 Cary Coutant <ccoutant@google.com>
1028 Dodji Seketeli <dodji@redhat.com>
1031 * dwarf2out.c (copy_declaration_context): Return ref to parent
1032 of declaration DIE, if necessary.
1033 (remove_child_or_replace_with_skeleton): Add new parameter; update
1034 caller. Place skeleton DIE under parent DIE of original declaration.
1035 Move call to copy_declaration_context to here ...
1036 (break_out_comdat_types): ... from here.
1038 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1040 PR rtl-optimization/51856
1041 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1044 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1047 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1048 hints for neon loads and stores.
1050 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1054 * doc/extend.texi (Named Address Spaces): Split into subsections.
1055 (AVR Named Address Spaces): New subsection.
1056 (M32C Named Address Spaces): New subsection.
1057 (RL78 Named Address Spaces): New subsection.
1058 (SPU Named Address Spaces): New subsection.
1059 (Variable Attributes): New anchor "AVR Variable Attributes".
1060 (AVR Variable Attributes): Rewrite and avoid wording
1061 "address space" in this context.
1062 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1063 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1064 (AVR Built-in Macros): New subsubsection therein.
1065 * doc/md.texi (AVR constraints): Remove "C04", "R".
1067 2012-01-20 Richard Guenther <rguenther@suse.de>
1069 PR tree-optimization/51903
1070 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1071 when removing stmts.
1073 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1076 * config/arm/arm.c (arm_load_pic_register): Use
1077 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1078 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1079 (arm_pic_static_addr): Likewise.
1080 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1081 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1082 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1083 (pic_load_addr_unified): New.
1085 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1088 * function.c (instantiate_virtual_regs_in_insn): Use
1089 delete_insn_and_edges when removing a wrong asm insn.
1091 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1093 PR rtl-optimization/40761
1094 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1095 Add new member loop_num.
1096 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1097 (ira_build): Remove the parameter.
1099 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1100 (ira.c): Do not build CFG loops for one region allocation. Remove
1101 argument from ira_build call.
1103 * ira-build.c (init_loop_tree_node): New function.
1104 (create_loop_tree_nodes): Use it. Separate the case when CFG
1105 loops are not built.
1106 (more_one_region_p): Check current_loops.
1107 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1109 (add_loop_to_tree): Process loop equal to NULL too.
1110 (form_loop_tree): Separate the case when CFG loops are not built.
1111 Use explicitly number for the root.
1112 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1114 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1115 instead of loop->num.
1116 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1117 (mark_all_loops_for_removal): Ditto.
1118 (remove_unnecessary_regions): Separate the case when CFG loops
1120 (ira_build): Remove the parameter. Use explicit number of regions
1121 when CFG loops are not built.
1123 * ira-color.c (print_loop_title): Separate the case for the root node.
1124 Use loop_num instead of loop->num.
1125 (move_spill_restore): Use loop_num instead of loop->num.
1127 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1128 (change_loop): Ditto.
1129 (change_loop): Use loop_num instead of loop->num.
1131 * ira-lives.c (process_bb_node_lives): Ditto.
1133 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1135 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1137 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1140 * tree-mudflap.c (mf_artificial): New function.
1141 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1142 mx_register_decls, mudflap_enqueue_decl): Use it.
1145 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1146 numbers in the insn pattern.
1148 2012-01-19 Michael Matz <matz@suse.de>
1150 PR tree-optimization/46590
1151 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1152 use it in remembering which conflicts we already created.
1153 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1156 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1159 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1160 (merge_and_complain): Same.
1162 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1165 * config/initfini-array.h: Guard content of the header
1166 with #ifdef HAVE_INITFINI_ARRAY.
1167 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1168 Add initfini-array.h to tm_file here.
1169 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1170 * config.gcc: Don't add initfini-array.h to tm_file here.
1171 * configure: Regenerated.
1173 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1175 PR rtl-optimization/51505
1176 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1177 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1178 (df_note_bb_compute): Update the call to df_kill_notes.
1180 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1182 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1184 2012-01-18 Richard Guenther <rguenther@suse.de>
1186 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1187 of conversions to void *.
1189 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1190 Richard Sandiford <rdsandiford@googlemail.com>
1194 * optabs.h (simplify_expand_binop): Declare.
1195 * optabs.c (simplify_expand_binop): Make global.
1196 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1197 endian targets if the source cannot be exactly covered by word
1200 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1203 * hard-reg-set.h (struct hard_reg_set_container): New type.
1204 * target.h (struct hard_reg_set_container): Forward declare.
1205 * target.def (set_up_by_prologue): New target hook.
1206 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1207 * doc/tm.texi: Regenerated.
1208 * function.c (thread_prologue_and_epilogue_insns): Change
1209 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1210 Call targetm.set_up_by_prologue on it.
1211 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1212 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1214 2012-01-17 Nick Clifton <nickc@redhat.com>
1216 * config/rx/rx.c (rx_can_use_simple_return): New function.
1217 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1218 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1220 2012-01-17 Richard Guenther <rguenther@suse.de>
1223 * expr.c (expand_assignment): Take address-space information
1224 from the address operand of MEM_REF and TARGET_MEM_REF.
1225 (expand_expr_real_1): Likewise.
1227 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1229 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1230 reload dump is requested.
1232 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1235 * trans-mem.c (requires_barrier): Call may_be_aliased.
1237 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1239 PR tree-optimization/51877
1240 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1241 call arguments and fndecls compare equal, instead return false if they
1242 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1243 both SSA_NAMEs that are valueized the same, or they satisfy
1246 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1248 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1250 * configure: Regenerate.
1252 2012-01-16 Jan Hubicka <jh@suse.cz>
1256 * convert.c (convert_to_integer): Use fold_convert for
1257 converting an INTEGER_CST to integer type.
1259 2012-01-16 Jason Merrill <jason@redhat.com>
1262 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1264 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1267 * config/s390/s390.c (s390_chunkify_start): Don't skip
1268 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1269 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1270 If insn is followed by NOTE_INSN_VAR_LOCATION or
1271 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1272 Don't use location of note insns.
1274 PR tree-optimization/51865
1275 * tree-inline.c (tree_function_versioning): Call remap_decl
1276 on DECL_RESULT whenever it has VOID_TYPE_P type.
1278 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1280 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1281 for calls to locally-binding MIPS16 functions if only the return
1282 type uses float regs.
1284 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1285 Richard Sandiford <rdsandiford@googlemail.com>
1287 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1288 (SYMBOL_32_HIGH): Likewise.
1289 (mips_output_tls_reloc_directive): Declare.
1290 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1291 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1292 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1293 (mips_lo_relocs, mips_hi_relocs): Make extern.
1294 (mips16_stub_function): Move up file.
1295 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1296 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1297 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1298 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1299 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1300 (mips_get_tp): Add MIPS16 support.
1301 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1302 Generalize DTPREL and TPREL handling.
1303 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1304 Add MIPS16 TLS support.
1305 (mips_output_tls_reloc_directive): New function.
1306 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1307 * config/mips/predicates.md (symbolic_operand_with_high)
1308 (tls_reloc_operand): New predicates.
1309 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1310 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1311 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1312 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1313 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1314 (*tls_get_tp_mips16_call_<mode>): Likewise.
1316 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1318 PR rtl-optimization/51821
1319 * recog.c (peep2_find_free_register): Determine clobbered registers
1322 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1325 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1326 * config/avr/avr.c: Likewise.
1327 * config/avr/avr.h: Likewise.
1329 2012-01-13 Ian Lance Taylor <iant@google.com>
1332 * tree.h (TYPE_QUALS): Add cast to int.
1333 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1335 2012-01-13 Ian Lance Taylor <iant@google.com>
1337 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1338 comparing param_index to VEC_length result.
1340 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1342 * c-decl.c: Do not include tree-mudflap.h
1343 * tree-optimize.c: Likewise.
1344 * Makefile.in: Update dependencies.
1346 2012-01-13 Richard Guenther <rguenther@suse.de>
1349 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1350 variable-sized result always use RSO.
1352 2012-01-12 DJ Delorie <dj@redhat.com>
1354 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1355 pointer type, not just the default pointer type.
1357 2012-01-09 Richard Henderson <rth@redhat.com>
1358 Denis Chertykov <chertykov@gmail.com>
1361 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1362 * config/avr/avr.c (avr_can_eliminate): Simplify.
1363 (avr_initial_elimination_offset): Likewise.
1364 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1365 (expand_epilogue): Likewise.
1366 (avr_legitimize_address): Gut.
1367 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1368 (avr_hard_regno_nregs): New.
1369 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1370 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1371 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1372 add soft frame pointer.
1373 (CALL_USED_REGISTERS): Likewise.
1374 (REG_CLASS_CONTENTS): Likewise.
1375 (REGISTER_NAMES): Likewise.
1376 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1377 (HARD_FRAME_POINTER_REGNUM): New.
1378 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1379 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1380 remove the HARD_FRAME_POINTER self-elimination.
1382 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1385 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1386 DECL_EXTERNAL when checking for initializers of progmem variables.
1388 2012-01-12 Ira Rosen <irar@il.ibm.com>
1390 PR tree-optimization/51799
1391 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1392 that the last operation is a type demotion.
1394 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1396 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1397 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1399 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1402 * combine.c (distribute_notes): If i3 is a noreturn call,
1403 allow old_size to be equal to args_size and make sure the
1404 noreturn call gets REG_ARGS_SIZE note.
1405 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1406 on noreturn calls even when the delta is 0.
1408 2012-01-11 Nathan Sidwell <nathan@acm.org>
1410 * gcov.c (STRING_SIZE): Remove.
1411 (generate_results): Erase annotations for source files with no
1412 coverage information.
1414 (output_lines): Use it.
1416 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1418 * gimple.h (gimplify_body): Remove first argument.
1419 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1420 pointer set here, instead just pass DATA to walk_tree.
1421 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1422 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1423 (unvisit_body): Likewise, but with unmark_visited.
1424 (gimplify_body): Remove BODY_P argument and adjust.
1425 (gimplify_function_tree): Adjust call to gimplify_body.
1426 * omp-low.c (finalize_task_copyfn): Likewise.
1428 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1430 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1431 (build_function_type_skip_args): Delete.
1432 * tree.c (build_function_type_skip_args): Make static and add
1433 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1434 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1435 pass it to build_function_type_skip_args.
1436 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1437 (tree_function_versioning): Likewise.
1438 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1439 build_function_decl_skip_args.
1440 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1441 and pass it to build_function_decl_skip_args/tree_function_versioning.
1442 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1443 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1444 * trans-mem.c (ipa_tm_create_version): Likewise.
1445 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1446 * tree-inline.c (declare_return_variable): Remove always-true test.
1447 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1448 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1449 * ipa-split.c (split_function): Skip the return value for the split
1450 part if it doesn't return.
1452 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1454 PR tree-optimization/49642
1455 * ipa-split.c (forbidden_dominators): New variable.
1456 (check_forbidden_calls): New function.
1457 (dominated_by_forbidden): Likewise.
1458 (consider_split): Check for forbidden dominators.
1459 (execute_split_functions): Initialize and free forbidden
1460 dominators info; call check_forbidden_calls.
1462 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1464 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1466 2012-01-11 Nick Clifton <nickc@redhat.com>
1468 * config/rx/rx.md (return): Define pattern.
1470 2012-01-11 Richard Guenther <rguenther@suse.de>
1472 * doc/extend.texi (malloc attribute): Adjust according to
1475 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1476 Patrick Marlier <patrick.marlier@gmail.com>
1479 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1480 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1481 (ipa_tm_note_irrevocable): Same.
1482 (ipa_tm_scan_irr_block): Same.
1483 (ipa_tm_decrement_clone_counts): Same.
1484 (ipa_tm_scan_irr_function): Same.
1485 (ipa_tm_create_version_alias): Same.
1486 (ipa_tm_create_version): Same.
1487 (ipa_tm_transform_calls_redirect): Same.
1488 (ipa_tm_transform_calls): Same.
1489 (ipa_tm_transform_transaction): Same.
1490 (ipa_tm_execute): Same.
1492 2012-01-10 Richard Guenther <rguenther@suse.de>
1495 * opts.c (common_handle_option): Handle -Werror.
1497 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1499 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1502 2012-01-10 Jason Merrill <jason@redhat.com>
1504 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1507 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1509 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1510 supports R_386_TLS_GD_PLT reloc.
1511 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1512 supports R_386_TLS_LDM_PLT reloc.
1513 * configure: Regenerate.
1514 * config.in: Regenerate.
1516 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1519 Extend __pgmx semantics to linearize memory.
1520 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1521 determine if code comes inline or from libgcc.
1522 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1523 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1524 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1525 (movmemx_qi, movmemx_hi): New insns.
1526 (xload_<mode>_libgcc): Rewrite to new insn condition.
1527 (xload_<mode>): Remove insns.
1528 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1529 cases that don't satisfy avr_xload_libgcc_p().
1530 (avr_addr_space_convert): Allow converting in any direction.
1531 (avr_addr_space_subset_p): Return always true.
1532 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1533 (avr_emit_movmemhi): Ditto.
1534 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1535 (avr_out_movmem): Ditto.
1536 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1537 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1538 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1539 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1540 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1542 2012-01-10 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/50913
1545 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1546 Require data-refs to be representable by Graphite with respect
1549 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1551 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1552 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1554 2012-01-10 Tom de Vries <tom@codesourcery.com>
1556 PR rtl-optimization/51271
1557 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1558 handling annulled branch.
1560 2012-01-10 Richard Henderson <rth@redhat.com>
1562 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1563 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1564 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1565 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1566 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1567 arm_expand_vec_perm_const): New.
1568 * config/arm/arm-protos.h: Update.
1569 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1570 (*neon_vswp<VDQX>): New.
1571 (neon_vcombine<VDX>): Use neon_split_vcombine.
1572 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1573 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1574 (vec_perm<VE>): New.
1576 2012-01-10 Richard Henderson <rth@redhat.com>
1578 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1579 use it if reload_completed.
1580 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1581 arm_output_asm_insn, arm_process_output_memory_barrier,
1582 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1583 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1584 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1585 arm_process_output_sync_insn, arm_output_sync_insn,
1586 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1587 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1588 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1589 (emit_unlikely_jump): New.
1590 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1591 (arm_split_atomic_op): New.
1592 * config/arm/arm-protos.h: Update.
1593 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1594 (struct arm_sync_generator): Remove.
1595 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1596 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1597 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1598 (VUNSPEC_LL, VUNSPEC_SC): New.
1599 (sync_result, sync_memory, sync_required_value, sync_new_value,
1600 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1601 (attr length): Don't use arm_sync_loop_insns.
1602 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1603 (movsfcc, movdfcc): Likewise.
1604 * config/arm/constraints.md (Ua): New.
1605 * config/arm/prediates.md (mem_noofs_operand): New.
1606 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1607 (sync_clobber, sync_t2_reqd): Remove.
1608 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1609 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1610 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1611 (arm_sync_compare_and_swap<SIDI>): Remove.
1612 (arm_sync_compare_and_swap<NARROW>): Remove.
1613 (arm_sync_lock_test_and_set<SIDI>): Remove.
1614 (arm_sync_lock_test_and_set<NARROW>): Remove.
1615 (arm_sync_new_<syncop><SIDI>): Remove.
1616 (arm_sync_new_<syncop><NARROW>): Remove.
1617 (arm_sync_new_nand<SIDI>): Remove.
1618 (arm_sync_new_nand<NARROW>): Remove.
1619 (arm_sync_old_<syncop><SIDI>): Remove.
1620 (arm_sync_old_<syncop><NARROW>): Remove.
1621 (arm_sync_old_nand<SIDI>): Remove.
1622 (arm_sync_old_nand<NARROW>): Remove.
1623 (*memory_barrier): Merge arm_output_memory_barrier.
1624 (atomic_compare_and_swap<QHSD>): New.
1625 (atomic_compare_and_swap<NARROW>_1): New.
1626 (atomic_compare_and_swap<SIDI>_1): New.
1627 (atomic_exchange<QHSD>): New.
1628 (cas_cmp_operand, cas_cmp_str): New.
1629 (atomic_op_operand, atomic_op_str): New.
1630 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1631 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1632 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1633 (arm_load_exclusive<NARROW>): New.
1634 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1635 (arm_store_exclusive<QHSD>): New.
1637 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1639 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1640 reload patterns if -mvsx-scalar-memory.
1642 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1643 generated, even -mno-vsx-scalar-double was used.
1644 (vsx_xscvdpsp_scalar): Likewise.
1645 (vsx_xscvspdp_scalar2): Likewise.
1647 2012-01-09 Tom de Vries <tom@codesourcery.com>
1648 Andrew Pinski <apinski@cavium.com>
1651 * reorg.c (fill_slots_from_thread): Don't speculate
1652 frame-related insns.
1654 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1656 * sched-int.h (bb_note): Move to...
1657 * basic-block.h: ...here.
1658 * haifa-sched.c (bb_note): Move to...
1659 * cfgrtl.c: ...here.
1660 * function.c (next_block_for_reg): New function.
1661 (move_insn_for_shrink_wrap): Likewise.
1662 (prepare_shrink_wrap): Rewrite to use the above.
1664 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1666 * gimple.c (is_gimple_non_addressable): Remove.
1667 * gimple.h: Remove is_gimple_non_addressable.
1668 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1669 is_gimple_non_addressable.
1670 * trans-mem.c (expand_assign_tm): Same.
1672 2012-01-09 Richard Guenther <rguenther@suse.de>
1674 PR tree-optimization/51775
1675 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1676 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1678 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1680 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1682 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1684 2012-01-09 Richard Guenther <rguenther@suse.de>
1686 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1688 2012-01-08 Jan Hubicka <jh@suse.cz>
1690 PR tree-optimize/51680
1691 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1692 on when known_vals needs to be computed; cleanup.
1694 2012-01-08 Jan Hubicka <jh@suse.cz>
1696 PR tree-optimize/51694
1697 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1699 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1701 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1702 for -std=c++98 and -std=c++11 too.
1704 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1706 * cfgloop.c (cancel_loop): Add free() of bbs array.
1708 2012-01-07 Jan Hubicka <jh@suse.cz>
1710 PR tree-optimization/51600
1711 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1712 that benefits small functions.
1714 2012-01-07 Jan Hubicka <jh@suse.cz>
1716 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1718 2012-01-07 Jan Hubicka <jh@suse.cz>
1720 PR tree-optimization/51680
1721 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1722 whose inlining reduce unit size.
1724 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1727 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1728 Add canonical node to containing_mem chain after the non-canonical
1729 one, even if there weren't any locs to propagate.
1730 (remove_useless_values): Keep only canonical values.
1731 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1732 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1733 canonicalize mem_chain elements that are not discarded.
1735 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1738 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1739 before emitting functions.
1741 PR gcov-profile/50127
1742 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1743 clear_aux_for_blocks.
1745 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1748 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1750 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1752 * c-decl.c (ext_block): Moved up.
1753 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1755 2012-01-06 Han Shen <shenhan@google.com>
1757 Translate built-in include paths for sysroot.
1758 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1759 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1761 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1762 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1764 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1765 control whether sysroot should be prepended to gxx include dir.
1767 * configure: Regenerate.
1769 2012-01-06 Torvald Riegel <triegel@redhat.com>
1771 PR rtl-optimization/51771
1772 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1773 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1775 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1777 PR tree-optimization/51315
1778 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1779 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1781 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1784 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1785 for shrp pattern. Correctly handle and fixup shift variable.
1786 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1788 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1791 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1792 note when !ACCUMULATE_OUTGOING_ARGS.
1794 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1796 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1798 (extract_range_from_unary_expr_1): Avoid useless computations.
1800 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1802 PR rtl-optimization/51767
1803 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1804 of jump_block and add an extra edge for degenerated asm gotos.
1807 * stmt.c (check_unique_operand_names): Don't ICE during error
1808 reporting if i is from labels chain.
1811 * profile.c (branch_prob): Split bbs that have exit edge
1812 and need a fake entry edge too.
1814 2012-01-05 Jan Hubicka <jh@suse.cz>
1817 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1820 2012-01-05 Richard Guenther <rguenther@suse.de>
1823 * tree-streamer-out.c (write_ts_optimization): New function.
1824 (streamer_write_tree_body): Call it.
1825 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1826 (streamer_read_tree_body): Call it.
1827 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1829 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1832 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1833 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1834 in_cleanup_point_expr before gimplify_stmt call and restore it
1836 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1837 in_cleanup_point_expr is false.
1839 2012-01-05 Richard Guenther <rguenther@suse.de>
1842 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1844 * toplev.c (process_options): Reject combining mudflap and LTO.
1845 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1847 2012-01-05 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/51760
1850 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1852 (bit_value_unop): Handle UNDEFINED operands.
1853 (bit_value_binop): Likewise.
1855 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1857 * config/avr/avr.c (avr_replace_prefix): Remove.
1858 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1859 (avr_asm_function_rodata_section): Ditto.
1860 (avr_asm_select_section): Ditto.
1862 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1864 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1867 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1870 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1871 calls that have any non-fake successor edges.
1874 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1876 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1878 PR tree-optimization/51624
1879 * tree-sra.c (build_ref_for_model): When replicating a chain of
1880 COMPONENT_REFs, stop as soon as the offset would become negative.
1882 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1885 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1886 in .debug_loc on the floor.
1888 2012-01-04 Andrew Pinski <apinski@cavium.com>
1890 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1892 2012-01-04 Andrew Pinski <apinski@cavium.com>
1893 Adam Nemet <anemet@caviumnetworks.com>
1895 * config/mips/mips.md (size): Add SI and DI.
1896 (SIZE): New mode attribute.
1897 (U): New code attribute.
1898 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1899 (mips_lbux_<mode>): Delete.
1900 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1901 (mips_lhx): Use gen_mips_lhx_extsi.
1902 (mips_lhx_<mode>): Delete.
1904 (mips_l<size>x): New expand.
1905 (mips_lwx_<mode>): Delete.
1906 (mips_l<GPR:size>x_<P:mode>): New pattern.
1907 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1908 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1909 * config/mips/mips.c (mips_lx_address_p): New function.
1910 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1911 (dsp64): New availability predicate.
1912 (mips_builtins): Add an entry for __builtin_mips_ldx.
1913 * config/mips/mips.h (ISA_HAS_LBX): New define.
1914 (ISA_HAS_LBUX): Likewise.
1915 (ISA_HAS_LHX): Likewise.
1916 (ISA_HAS_LHUX): Likewise.
1917 (ISA_HAS_LWX): Likewise.
1918 (ISA_HAS_LWUX): Likewise.
1919 (ISA_HAS_LDX): Likewise.
1920 * doc/extend.texi (__builtin_mips_ldx): Document.
1922 2012-01-04 Tristan Gingold <gingold@adacore.com>
1924 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1925 when long pointers are used.
1926 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1927 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1928 (ia64-hp-*vms*): Remove.
1929 * config/vms/xm-vms64.h: Delete.
1931 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1934 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1936 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1938 * opts.c (finish_options): Remove duplicate sorry.
1940 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1943 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1946 2012-01-04 Richard Guenther <rguenther@suse.de>
1949 * tree.c (size_low_cst): New function.
1950 * tree.h (size_low_cst): Declare.
1951 * fold-const.c (fold_comparison): Use it to extract the low
1952 part of the POINTER_PLUS_EXPR offset.
1954 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1956 Fix clearing ZERO_REG
1957 * config/avr/avr.md (cc): Add alternative "ldi".
1958 (movqi_insn): Use it in cc attribute.
1959 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1960 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1961 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1963 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1965 * configure: Regenerate.
1967 2012-01-04 Richard Guenther <rguenther@suse.de>
1969 PR tree-optimization/49651
1970 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1971 (var_can_have_subvars): Use it.
1972 (get_constraint_for_1): Only consider subfields if there can be any.
1974 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1977 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1978 to its new canonical_cselib_val and the cselib_val was in
1979 first_containing_mem chain, but the canonical_cselib_val was not,
1980 add the latter into the chain.
1981 (cselib_invalidate_mem): Compare canonical_cselib_val of
1982 addr_list chain elt with v.
1985 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1986 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1988 (output_macinfo_op): Don't ggc_strdup fd->filename.
1989 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1990 then ggc_strdup it. Don't free inc->info or cur->info.
1991 (output_macinfo): Don't free ref->info or file->info.
1993 2012-01-03 Ira Rosen <irar@il.ibm.com>
1995 PR tree-optimization/51269
1996 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1997 first_niters a pointer.
1998 (slpeel_tree_peel_loop_to_edge): Likewise.
1999 (vect_do_peeling_for_loop_bound): Update call to
2000 slpeel_tree_peel_loop_to_edge.
2001 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2002 here. Remove it from the parameters list.
2003 (vect_do_peeling_for_alignment): Update calls and compute
2006 2012-01-03 Richard Guenther <rguenther@suse.de>
2008 PR tree-optimization/51070
2009 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2010 Properly handle calls.
2012 2012-01-03 Richard Guenther <rguenther@suse.de>
2014 PR tree-optimization/51692
2015 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2016 the LHS of allocation stmts.
2018 2012-01-03 Olivier Hainque <hainque@adacore.com>
2020 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2022 2012-01-03 Olivier Hainque <hainque@adacore.com>
2024 * collect2.c (main): In AIX specific computations for vector
2025 insertions, use CONST_CAST2 to cast from char ** to const char **.
2027 2012-01-03 Richard Guenther <rguenther@suse.de>
2030 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2031 the context of a limbo DIE when it does not already exist.
2033 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2035 PR tree-optimization/51719
2036 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2037 but direct call is, clear direct call's lhs and don't add fallthrough
2038 edge from dcall_bb to join_bb and PHIs.
2040 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2042 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2043 the instructions emitted by the pattern.
2044 ("*TDC_insn_<mode>"): Add comment.
2046 2012-01-03 Richard Guenther <rguenther@suse.de>
2049 * fold-const.c (fold_comparison): Properly canonicalize
2050 tree offset and HOST_WIDE_INT bit position.
2052 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2054 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2055 operands for extzv pattern.
2057 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2060 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2063 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2065 * doc/invoke.texi (-flto and related options): Copy-edit.
2067 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2069 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2071 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2073 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2076 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2078 * expr.h (move_by_pieces_ninsns): Declare.
2079 * expr.c (move_by_pieces_ninsns): Make external.
2080 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2081 (mips_store_by_pieces_p): Likewise.
2082 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2083 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2084 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2085 (mips_store_by_pieces_p): Likewise.
2087 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2089 * passes.c (register_one_dump_file): Free full_name.
2091 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2092 (calculate_elim_costs_all_insns): Free offsets_at and
2093 offsets_known_at at the end and clear the pointers.
2095 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2097 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2098 this option introduced in r180739.
2100 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2103 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2104 (tmake_file target=avr): Add avr/t-multilib.
2106 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2107 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2108 * config/avr/genmultilib.awk: New file.
2109 * config/avr/t-multilib: New auto-generated file.
2110 * config/avr/multilib.h: New auto-generated file.
2111 * config/avr/t-avr (AVR_MCUS): New variable.
2112 (genopt.sh): Use it.
2113 (s-mlib): Depend on t-multilib.
2114 (t-multilib, multilib.h): New dependencies.
2115 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2116 (MULTILIB_OPTIONS): Remove.
2117 (MULTILIB_MATCHES): Remove.
2118 (MULTILIB_DIRNAMES): Remove.
2119 (MULTILIB_EXCEPTIONS): Remove:
2120 * config/avr/genopt.sh: Don't use hard coded file name;
2121 pass AVR_MCUS from t-avr instead.
2123 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2125 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2127 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2129 Implement light-weight DImode support.
2130 * config/avr/avr-dimode.md: New file.
2131 * config/avr/avr.md: Include it.
2132 (adjust_len): Add plus64, compare64.
2133 (HIDI): Remove code iterator.
2134 (code_stdname): New code attribute.
2135 (rotx, rotsmode): Remove DI.
2136 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2138 * config/avr/avr-protos.h (avr_have_dimode): New.
2139 (avr_out_plus64, avr_out_compare64): New.
2140 * config/avr/avr.c (avr_out_compare): Handle DImode.
2141 (avr_have_dimode): New variable definition and initialization.
2142 (avr_out_compare64, avr_out_plus64): New functions.
2143 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2144 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2145 (avr_compare_pattern): Skip DImode comparisons.
2147 2012-01-02 Revital Eres <revital.eres@linaro.org>
2149 * ddg.c (def_has_ccmode_p): New function.
2150 (add_cross_iteration_register_deps,
2151 create_ddg_dep_from_intra_loop_link): Call it.
2153 2012-01-02 Richard Guenther <rguenther@suse.de>
2156 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2158 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2160 * gcc.c (process_command): Update copyright notice dates.
2161 * gcov.c (print_version): Likewise.
2162 * gcov-dump.c (print_version): Likewise.
2163 * mips-tfile.c (main): Likewise.
2164 * mips-tdump.c (main): Likewise.
2166 2012-01-01 Ira Rosen <irar@il.ibm.com>
2168 PR tree-optimization/51704
2169 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2170 a use is inside the basic block or loop before accessing its vect info.
2172 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2174 PR rtl-optimization/51069
2175 * cfgloopmanip.c (remove_path): Removing path making irreducible
2176 region unconditional makes BB part of the region.
2178 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2180 PR tree-optimization/51683
2181 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2182 calls with side-effects.
2183 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2185 Copyright (C) 2012 Free Software Foundation, Inc.
2187 Copying and distribution of this file, with or without modification,
2188 are permitted in any medium without royalty provided the copyright
2189 notice and this notice are preserved.