1 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
3 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
4 (sibcall_value_multiple_internal, call_split, call_internal_direct)
5 (call_direct_split, call_value_split, call_value_internal_direct)
6 (call_value_direct_split, call_value_multiple_split): Use jal and
9 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
11 * reload1.c (reload_regs_reach_end_p): Replace with...
12 (reload_reg_rtx_reaches_end_p): ...this function.
13 (new_spill_reg_store): Update commentary.
14 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
15 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
16 before setting new_spill_reg_store.
17 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
18 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
19 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
20 for non-spill reload registers.
22 2012-02-05 Ira Rosen <irar@il.ibm.com>
24 PR tree-optimization/52091
25 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
26 (vect_is_simple_use_1): Likewise.
27 * tree-vect-loop.c (vectorizable_reduction): Update calls
28 to vect_is_simple_use_1 and vect_is_simple_use.
29 (vectorizable_live_operation): Likewise.
30 * tree-vect-patterns.c (widened_name_p,
31 vect_recog_vector_vector_shift_pattern, check_bool_pattern):
33 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
34 vectorizable_call, vectorizable_conversion,
35 vectorizable_assignment, vectorizable_shift,
36 vectorizable_operation, vectorizable_store, vectorizable_load):
38 (vect_is_simple_cond): Add an argument, pass it to
40 (vectorizable_condition): Update calls to vect_is_simple_cond,
42 (vect_is_simple_use): Add an argument, the statement in which
43 OPERAND is used. Check that if OPERAND's def stmt is a double
44 reduction phi node, the use is a phi node too.
45 (vect_is_simple_use_1): Add an argument, pass it to
47 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
48 to vect_is_simple_use.
50 2012-02-04 Jakub Jelinek <jakub@redhat.com>
52 PR rtl-optimization/52095
53 * modulo-sched.c (dump_insn_locator): New function.
54 (loop_canon_p, sms_schedule): Use it.
56 PR rtl-optimization/52113
57 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
58 even for decomposable shift/zext insns.
60 2012-02-03 Jakub Jelinek <jakub@redhat.com>
61 Zdenek Dvorak <ook@ucw.cz>
63 PR rtl-optimization/52092
64 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
65 on get_iv_value result.
67 2012-02-02 Andrew Pinski <apinski@cavium.com>
71 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
73 2012-02-02 Jakub Jelinek <jakub@redhat.com>
76 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
78 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
80 PR rtl-optimization/49800
81 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
82 (sched_finish): Call regstat_free_n_sets_and_refs.
84 2012-02-02 Jia Liu <proljc@gmail.com>
86 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
89 2012-02-02 Jan Hubicka <jh@suse.cz>
90 Tom de Vries <tom@codesourcery.com>
93 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
94 * varpool.c (varpool_analyze_pending_decls): Likewise.
96 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
97 Jayant R Sonar <jayant.sonar@kpitcummins.com>
99 * config.gcc: Add cr16-* support.
101 * doc/extend.texi: Document cr16 extensions.
102 * doc/install.texi: Document cr16 install.
103 * doc/invoke.texi: Document cr16 options.
104 * doc/md.texi: Document cr16 constraints.
106 * common/config/cr16/cr16-common.c: New file.
107 * config/cr16/cr16.c: New file.
108 * config/cr16/cr16.h: New file.
109 * config/cr16/cr16.md: New file.
110 * config/cr16/cr16.opt: New file.
111 * config/cr16/cr16-protos.h: New file.
112 * config/cr16/predicates.md: New file.
113 * config/cr16/constraints.md: New file.
114 * config/cr16/t-cr16: New file.
116 2012-02-02 Jakub Jelinek <jakub@redhat.com>
119 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
120 that operands[2] is either immediate, or q_regs_operand.
122 PR tree-optimization/52073
123 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
124 a pattern stmt for pattern uses, ignore uses outside of the loop.
126 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
128 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
129 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
130 (OUT_AS1, OUT_AS2): Remove.
132 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
134 PR rtl-optimization/51374
135 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
136 to cross other volatile_refs_p insns.
138 2012-02-01 Richard Guenther <rguenther@suse.de>
140 * doc/invoke.texi (fno-inline): Clarify documentation.
141 (finline-small-functions): Likewise.
142 (finline-functions): Likewise.
143 * common.opt (finline): Adjust comment and documentation.
144 (finline-small-functions): Clarify documentation.
145 (finline-functions): Likewise.
146 (finline-functions-called-once): Likewise.
148 2012-02-01 Tristan Gingold <gingold@adacore.com>
150 * c-typeck.c (composite_type): Keep mode for pointers.
152 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
154 * function.h (regno_reg_rtx): Adjust comment.
155 * reginfo.c (init_reg_modes_target): Only use the previous mode
156 if it fits within one register. Remove MIPS comment.
158 2012-01-31 Jakub Jelinek <jakub@redhat.com>
161 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
163 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
165 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
168 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
170 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
173 2012-01-31 Jakub Jelinek <jakub@redhat.com>
178 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
180 2012-01-31 Richard Guenther <rguenther@suse.de>
182 PR tree-optimization/51528
183 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
186 2012-01-31 Jakub Jelinek <jakub@redhat.com>
191 * ree.c (add_removable_extension): Change def_map argument
192 to unsigned *, store in def_map 1 + offset into *insn_list vector
193 instead of pointers into the vector.
194 (find_removable_extensions): Adjust caller.
196 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
198 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
199 Transform all "* quoted-c-code" to { c-code }.
200 Remove redundant test for "optimize" in combine patterns.
201 Move (include "avr-dimode.md") to end of file.
203 2012-01-30 Bin Cheng <bin.cheng@arm.com>
206 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
207 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
209 2012-01-30 Richard Guenther <rguenther@suse.de>
211 PR tree-optimization/52028
212 * tree-loop-distribution.c (ldist_gen): Properly update
215 2012-01-30 Jakub Jelinek <jakub@redhat.com>
218 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
219 set_cur_line_info_table if not emitting debug info.
221 PR tree-optimization/52046
222 * tree-vect-patterns.c (check_bool_pattern): Give up if
223 a comparison could throw.
226 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
228 2012-01-30 Richard Guenther <rguenther@suse.de>
230 PR tree-optimization/52045
231 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
232 SSA form if cfgcleanup did anything.
234 2012-01-30 Richard Guenther <rguenther@suse.de>
236 PR tree-optimization/52045
237 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
238 before computing final todo.
240 2012-01-30 Richard Guenther <rguenther@suse.de>
242 PR tree-optimization/51528
243 * tree-sra.c (sra_modify_assign): Re-factor in preparation
246 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
248 * df-problems.c (df_kill_notes): Check that the use refers
249 to the note under examination.
251 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
254 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
255 parameter and use short-lived pseudos.
256 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
257 (sparc_expand_vector_init): Const-ify local variables and adjust
258 calls to above functions.
260 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
262 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
264 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
266 * doc/invoke.texi: Make usage of "compile time" and
267 "run time"/"runtime" consistent throughout the file.
269 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
271 * config/alpha/alpha.c (alpha_option_overrride): Default to
272 full IEEE compliance mode for Go language.
274 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
276 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
277 (LINK_SSP_SPEC): Define.
279 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
282 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
285 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
287 * doc/invoke.texi: Correct hyphenation of "floating point",
288 "double precision", and related terminology throughout the file.
290 2012-01-28 Jakub Jelinek <jakub@redhat.com>
293 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
294 arm_general_register_operand predicate for operand 2 instead of
297 2012-01-27 Ian Lance Taylor <iant@google.com>
300 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
301 * builtins.c (expand_builtin_init_trampoline): Add onstack
302 parameter. Change caller.
303 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
304 * tree.c (build_common_builtin_nodes): Declare
305 __builtin_init_heap_trampoline.
307 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
309 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
310 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
311 * config/avr/avr.c: Ditto.
312 (avr_regnames): Remove because unused.
313 * config/avr/avr.md (*cpse.ne): New peephole.
314 (*cpse.eq): New peephole from former cpse peepholes.
316 2012-01-27 Michael Eager <eager@eagercon.com>
318 * config/microblaze.c (microblaze_emit_compare): Correct
319 test after pcmp instruction.
321 2012-01-27 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/52020
324 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
326 2012-01-27 Richard Guenther <rguenther@suse.de>
328 * ipa-pure-const.c (check_stmt): Clobbers do not make a
329 function non-const/pure.
331 2012-01-27 Richard Guenther <rguenther@suse.de>
333 PR tree-optimization/50444
334 * tree-sra.c (build_ref_for_offset): Properly adjust the
335 MEM_REF type for unaligned accesses.
337 2012-01-27 Richard Guenther <rguenther@suse.de>
339 PR tree-optimization/50444
340 * expr.c (mem_ref_refers_to_non_mem_p): New function.
341 (expand_assignment): Use it. Properly handle misaligned
342 bases when expanding stores to component references.
343 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
346 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
349 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
350 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
351 * tree-data-ref.c (find_data_references_in_loop): Make static.
352 (compute_all_dependences): Change return type to bool. Bail out
353 for too many datarefs in a loop. Move the hunk resetting the data
354 dependences vector from ...
355 (compute_data_dependences_for_loop): ... here. Account for
356 compute_all_dependences returning false.
357 (compute_data_dependences_for_bb): Likewise.
358 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
359 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
361 2012-01-27 Richard Guenther <rguenther@suse.de>
364 * expr.c (store_field): Use the alias-set of the scratch memory
367 2012-01-27 Tom de Vries <tom@codesourcery.com>
369 PR tree-optimization/51990
370 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
372 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
374 2012-01-27 Jakub Jelinek <jakub@redhat.com>
377 * var-tracking.c (reverse_op): Don't add any reverse operation
378 if V already has any constant locations.
380 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
382 * doc/invoke.texi: Correct usage of "command line" (noun)
383 vs "command-line" (adjective) throughout.
385 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
387 * doc/invoke.texi (Language Independent Options): Move
388 -Wcoverage-mismatch blurb from here....
389 (Warning Options): ...to here.
391 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
393 * config/rs6000/rs6000.c (rs6000_option_override_internal):
394 Set rs6000_always_hint to false for 476.
396 2012-01-27 Matthias Klose <doko@ubuntu.com>
398 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
400 * incpath.c (add_standard_paths): Likewise.
402 2012-01-27 Richard Henderson <rth@redhat.com>
404 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
405 * config/m68k/sync.md (atomic_test_and_set): Rename from
406 sync_test_and_setqi and adjust the operands.
407 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
408 and unconditionally enable.
410 2012-01-27 Richard Henderson <rth@redhat.com>
412 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
413 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
414 (ldstub): Rename from ldstubqi.
415 (ldstub<I24MODE>): Remove.
417 2012-01-27 Richard Henderson <rth@redhat.com>
419 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
420 * c-cppbuiltin.c (cpp_atomic_builtins): Define
421 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
422 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
423 * doc/tm.texi: Rebuild.
425 2012-01-27 Richard Henderson <rth@redhat.com>
427 * optabs.c (gen_atomic_test_and_set): Remove default.
428 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
430 2012-01-26 Jakub Jelinek <jakub@redhat.com>
432 PR rtl-optimization/51978
433 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
434 (combine_reaching_defs): Likewise.
435 (struct re_info): Remove.
436 (add_removable_extension): Remove x and data arguments,
437 add insn, insn_list and def_map. Use the arguments directly
438 instead of using struct re_info.
439 (find_removable_extensions): Don't call add_removable_extension
440 through note_stores, instead just call it with single_set
442 (find_and_remove_re): Pass curr_cand->expr instead of
443 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
445 2012-01-26 Michael Matz <matz@suse.de>
447 PR tree-optimization/46590
448 * cfgexpand.c: Revert last change (r183305).
449 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
451 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
452 checking for emptiness.
454 2012-01-26 Jakub Jelinek <jakub@redhat.com>
457 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
458 non-addressable non-BLKmode base correctly.
460 2012-01-26 Michael Matz <matz@suse.de>
462 PR tree-optimization/48794
463 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
464 regions referenced from RESX/EH_DISPATCH.
466 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
468 * config/s390/s390.h: Make BRANCH_COST an option.
469 * config/s390/s390.opt: New option -mbranch-cost.
471 2012-01-26 Richard Henderson <rth@redhat.com>
473 Revert 2012-01-24 change:
474 * trans-mem.c (requires_barrier): Do not instrument thread local
475 variables and emit save/restore for them.
477 2012-01-25 Jakub Jelinek <jakub@redhat.com>
480 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
483 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
485 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
488 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
491 Rename __pgm to __flash.
492 Rename __pgm1 to __flash1.
493 Rename __pgm2 to __flash2.
494 Rename __pgm3 to __flash3.
495 Rename __pgm4 to __flash4.
496 Rename __pgm5 to __flash5.
497 Rename __pgmx to __memx.
498 * doc/extend.texi (AVR Named Address Spaces)
499 Rename address space names as indicated above.
500 * config/avr/avr.c (avr_addrspace): Ditto.
502 * config/avr/avr-protos.h
503 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
504 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
505 * config/avr/predicates.md: Ditto.
506 * config/avr/avr.c Ditto, and
507 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
508 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
510 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
511 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
512 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
513 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
514 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
515 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
516 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
517 * config/avr/avr.c: Ditto.
518 * config/avr/avr.md: Ditto.
520 2012-01-25 Jason Merrill <jason@redhat.com>
523 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
525 2012-01-25 Jakub Jelinek <jakub@redhat.com>
527 PR tree-optimization/51987
528 * tree-data-ref.c (get_references_in_stmt): Handle references in
529 non-volatile GIMPLE_ASM.
531 2012-01-25 Richard Guenther <rguenther@suse.de>
533 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
534 bases are dereferenced.
536 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
538 PR rtl-optimization/48374
539 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
541 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
543 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
544 compute_data_dependences_for_loop returns false.
545 * tree-parloops.c (loop_parallel_p): Likewise.
547 2012-01-25 Richard Guenther <rguenther@suse.de>
549 * tree.h (get_pointer_alignment_1): Declare.
550 * builtins.c (get_pointer_alignment_1): New function.
551 (get_pointer_alignment): Use it.
553 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
555 PR rtl-optimization/48308
556 * combine.c (enum undo_kind): Add UNDO_LINKS.
557 (struct undo): Add member l to other_contents and where.
558 (do_SUBST_LINK): New.
560 (try_combine): Handle LOG_LINKS for the dummy i1 case.
561 (undo_all): Handle UNDO_LINKS.
563 2012-01-25 Richard Henderson <rth@redhat.com>
565 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
568 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
570 * optabs.c (gen_atomic_test_and_set): Use each argument.
572 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
574 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
575 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
576 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
577 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
578 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
579 TARGET_PAIRED_SINGLE_FLOAT.
581 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
583 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
584 (in_struct, return_val): Remove MEM documentation.
585 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
586 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
587 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
589 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
590 * cfgexpand.c (add_alias_set_conflicts): Likewise.
591 * expr.c (store_field): Likewise.
592 * function.c (assign_stack_temp_for_type): Likewise.
593 * ifcvt.c (noce_try_cmove_arith): Likewise.
594 * reload1.c (reload): Likewise.
595 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
596 (alpha_set_memflags): Likewise.
597 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
599 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
601 * rtl.h (true_dependence, canon_true_dependence): Remove varies
603 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
604 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
605 (true_dependence_1, true_dependence, canon_true_dependence): Remove
607 * cselib.c (cselib_rtx_varies_p): Delete.
608 (cselib_invalidate_mem): Update call to canon_true_dependence.
609 * dse.c (record_store, check_mem_read_rtx): Likewise.
610 (scan_reads_nospill): Likewise.
611 * cse.c (check_dependence): Likewise.
612 (cse_rtx_varies_p): Delete.
613 * expr.c (safe_from_p): Update call to true_dependence.
614 * ira.c (validate_equiv_mem_from_store): Likewise.
615 (memref_referenced_p): Likewise.
616 * postreload-gcse.c (find_mem_conflicts): Likewise.
617 * sched-deps.c (sched_analyze_2): Likewise.
618 * store-motion.c (load_kills_store): Likewise.
619 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
620 * gcse.c (mems_conflict_for_gcse_p): Likewise.
621 (compute_transp): Update call to canon_true_dependence.
623 2012-01-25 Richard Henderson <rth@redhat.com>
625 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
626 (maybe_emit_atomic_test_and_set): New.
627 (expand_sync_lock_test_and_set): Use it.
628 (expand_atomic_test_and_set): Likewise.
629 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
630 the implementation; clarify implementation defined details.
631 * doc/md.texi (atomic_test_and_set): Document.
633 2012-01-25 Richard Henderson <rth@redhat.com>
635 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
637 2012-01-25 Richard Henderson <rth@redhat.com>
640 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
641 to effect no-op split.
643 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
646 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
647 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
648 (BT_FN_VOID_PTR_INT_SIZE): New.
649 (BT_FN_UINT_UINT_VAR): Remove.
650 (BT_FN_UINT32_UINT32_VAR): New.
651 (BT_FN_DOUBLE_VPTR): Remove.
652 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
654 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
655 (_ITM_changeTransactionMode): Same.
656 (_ITM_memmoveRtWt): Change return type to void.
657 (_ITM_memcpyRtWt): Same.
658 (_ITM_memsetW): Same.
659 (_ITM_RaRD): Change types to double.
664 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
666 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
667 Patrick Marlier <patrick.marlier@gmail.com>
669 * trans-mem.c (requires_barrier): Do not instrument thread local
670 variables and emit save/restore for them.
672 2012-01-24 Jason Merrill <jason@redhat.com>
675 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
676 output static aliases.
678 2012-01-24 Jakub Jelinek <jakub@redhat.com>
681 * common.opt (-pie, -shared, pie, shared): Change from Common to
683 * gcc.c (display_help): Display help for -pie and -shared.
685 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
688 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
689 Remove note on size/offset limitation.
690 (AVR Variable Attributes): Add example how to read data located
691 with progmem. Refer to named address spaces.
692 * doc/invoke.texi (AVR Options): Fix typo.
694 2012-01-24 Richard Guenther <rguenther@suse.de>
696 Forward-port to trunk
697 2010-09-21 Jakub Jelinek <jakub@redhat.com>
700 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
701 op0 isn't sufficiently aligned and there is movmisalignM
702 insn for mode, use it to load op0 into a temporary register.
704 2012-01-24 Jakub Jelinek <jakub@redhat.com>
707 * target.def (const_not_ok_for_debug_p): New hook.
708 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
710 * doc/tm.texi: Regenerated.
711 * dwarf2out.c (const_ok_for_output_1): If
712 targetm.const_not_ok_for_debug_p returns true, fail.
713 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
715 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
717 2012-01-23 Kai Tietz <ktietz@redhat.com>
720 * config/i386/predicates.md (symbolic_operand): Allow
721 UNSPEC_PCREL as PIC expression for lea.
722 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
723 * config/i386/i386.c (ix86_delegitimize_address): Handle
724 UNSPEC_PCREL for none-MEM, too.
726 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
728 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
729 (ipa_tm_create_version_alias): Same.
731 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
734 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
735 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
737 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
738 Patrick Marlier <patrick.marlier@gmail.com>
739 Iain Sandoe <developer@sandoe-acoustics.co.uk>
742 * lto-wrapper.c (run_gcc): Pass the LTO section name to
743 simple_object_start_read.
745 2012-01-23 Richard Guenther <rguenther@suse.de>
748 PR tree-optimization/51895
749 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
750 parameter decomposition into BLKmode components.
752 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
754 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
755 fake variables for restrict-qualified pointers whose pointed-to type
756 contains a placeholder.
758 2012-01-23 Richard Guenther <rguenther@suse.de>
760 PR tree-optimization/51949
761 * ipa-split.c (execute_split_functions): Do not split malloc functions.
763 2012-01-23 Jakub Jelinek <jakub@redhat.com>
765 PR rtl-optimization/51933
766 * ree.c (transform_ifelse): Return true right away if dstreg is
767 already wider or equal to cand->mode.
768 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
769 (make_defs_and_copies_lists): Remove defs_list and copies_list
770 arguments, add state argument, just truncate state->work_list
771 instead of always allocating and freeing the vector. Assert that
772 get_defs succeeds instead of returning 2. Changed return type to bool.
773 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
774 have ext_src_mode, see if it has been modified already with the
775 right kind of extension and has been extended before from the
776 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
777 just return true. Remember the original mode in state->modified array.
778 (combine_reaching_defs): Add state argument. Don't allocate and
779 free here def_list, copied_list and vec vectors, instead just
780 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
781 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
782 Add state variable, clear vectors in it, initialize state.modified
783 if needed. Free all the vectors at the end and state.modified too.
784 Don't skip a candidate if the extension expression has been modified.
786 2012-01-22 Douglas B Rupp <rupp@gnat.com>
789 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
790 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
791 (extra_options) interix.opt -> i386/interix.opt"
792 (extra_objs):Add winnt-stubs.o
793 * configure.ac: Add interix to target_os .comm on PE check.
794 * configure: Regenerate.
795 * config/interix3.h: Delete and move bits to..
796 * config/interix.h: Delete and move bits to..
797 * config/i386/i386-interix3.h: Delete and move bits to..
798 * config/i386/i386-interix.h: ..here.
799 (TARGET_CPU_DEFAULT): Remove redefinition.
800 (TARGET_ASM_CONSTRUCTOR): Undefine.
801 (SUBTARGET_SWITCHES): Define for ms-bitfields.
802 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
803 (PTRDIFF_TYPE): Define.
804 (LONG_DOUBLE_TYPE_SIZE): Define.
805 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
806 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
807 (TARGET_SECTION_TYPE_FLAGS): Define.
808 (ASM_DECLARE_FUNCTION_NAME): Define.
809 (ASM_OUTPUT_EXTERNAL): Define.
810 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
811 (ASM_OUTPUT_ALIGNED_BSS): Define.
812 (PCC_BITFIELD_TYPE_MATTERS): Define.
813 (USE_CONST_SECTION): Define.
814 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
815 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
816 (SUPPORTS_ONE_ONLY): Remove.
817 (I386_PE_STRIP_ENCODING): Define.
818 * config/interix.opt: Delete and move bits to..
819 * config/i386/interix.opt: ..here. New.
820 (mpe-aligned-commons): Add.
821 * config/i386/t-interix: Add copyright header.
822 (winnt-stubs.o): Add rule.
824 2012-01-22 Jason Merrill <jason@redhat.com>
827 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
828 for extra name aliases.
830 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
832 PR rtl-optimization/51924
833 * ree.c (combine_set_extension): Improve debugging message.
834 (combine_reaching_defs): Likewise.
835 (get_defs): Rename confusingly named variable.
836 (find_and_remove_re): Skip a candidate if the extension expression has
839 2012-01-21 Robert Millan <rmh@gnu.org>
840 Gerald Pfeifer <gerald@pfeifer.com>
842 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
843 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
845 2012-01-20 Jakub Jelinek <jakub@redhat.com>
847 PR tree-optimization/51914
848 * tree-vect-stmts.c (vectorizable_conversion): For
849 cvt_type && modifier == WIDEN, put temporary with cvt_type
850 at the beginning of vec_dsts and set vec_dest to temporary
853 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
855 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
857 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
859 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
860 * config/rs6000/rs6000.c: Likewise.
862 2012-01-20 Jakub Jelinek <jakub@redhat.com>
865 * config/arm/arm.c (arm_count_output_move_double_insns): Call
866 output_move_double on a copy of operands array.
868 2012-01-20 Cary Coutant <ccoutant@google.com>
869 Dodji Seketeli <dodji@redhat.com>
872 * dwarf2out.c (copy_declaration_context): Return ref to parent
873 of declaration DIE, if necessary.
874 (remove_child_or_replace_with_skeleton): Add new parameter; update
875 caller. Place skeleton DIE under parent DIE of original declaration.
876 Move call to copy_declaration_context to here ...
877 (break_out_comdat_types): ... from here.
879 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
881 PR rtl-optimization/51856
882 * reload.c (find_reloads_subreg_address): Set the address_reloaded
885 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
888 * config/arm/arm.c (arm_print_operand): Correct output of alignment
889 hints for neon loads and stores.
891 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
895 * doc/extend.texi (Named Address Spaces): Split into subsections.
896 (AVR Named Address Spaces): New subsection.
897 (M32C Named Address Spaces): New subsection.
898 (RL78 Named Address Spaces): New subsection.
899 (SPU Named Address Spaces): New subsection.
900 (Variable Attributes): New anchor "AVR Variable Attributes".
901 (AVR Variable Attributes): Rewrite and avoid wording
902 "address space" in this context.
903 * doc/invoke.texi (AVR Options): Rewrite and add documentation
904 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
905 (AVR Built-in Macros): New subsubsection therein.
906 * doc/md.texi (AVR constraints): Remove "C04", "R".
908 2012-01-20 Richard Guenther <rguenther@suse.de>
910 PR tree-optimization/51903
911 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
914 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
917 * config/arm/arm.c (arm_load_pic_register): Use
918 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
919 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
920 (arm_pic_static_addr): Likewise.
921 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
922 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
923 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
924 (pic_load_addr_unified): New.
926 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
929 * function.c (instantiate_virtual_regs_in_insn): Use
930 delete_insn_and_edges when removing a wrong asm insn.
932 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
934 PR rtl-optimization/40761
935 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
936 Add new member loop_num.
937 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
938 (ira_build): Remove the parameter.
940 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
941 (ira.c): Do not build CFG loops for one region allocation. Remove
942 argument from ira_build call.
944 * ira-build.c (init_loop_tree_node): New function.
945 (create_loop_tree_nodes): Use it. Separate the case when CFG
947 (more_one_region_p): Check current_loops.
948 (finish_loop_tree_nodes): Separate the case when CFG loops are not
950 (add_loop_to_tree): Process loop equal to NULL too.
951 (form_loop_tree): Separate the case when CFG loops are not built.
952 Use explicitly number for the root.
953 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
955 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
956 instead of loop->num.
957 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
958 (mark_all_loops_for_removal): Ditto.
959 (remove_unnecessary_regions): Separate the case when CFG loops
961 (ira_build): Remove the parameter. Use explicit number of regions
962 when CFG loops are not built.
964 * ira-color.c (print_loop_title): Separate the case for the root node.
965 Use loop_num instead of loop->num.
966 (move_spill_restore): Use loop_num instead of loop->num.
968 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
969 (change_loop): Ditto.
970 (change_loop): Use loop_num instead of loop->num.
972 * ira-lives.c (process_bb_node_lives): Ditto.
974 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
976 * ira-conflicts.c (print_allocno_conflicts): Ditto.
978 2012-01-19 Jakub Jelinek <jakub@redhat.com>
981 * tree-mudflap.c (mf_artificial): New function.
982 (execute_mudflap_function_ops, execute_mudflap_function_decls,
983 mx_register_decls, mudflap_enqueue_decl): Use it.
986 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
987 numbers in the insn pattern.
989 2012-01-19 Michael Matz <matz@suse.de>
991 PR tree-optimization/46590
992 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
993 use it in remembering which conflicts we already created.
994 (add_scope_conflicts): Adjust call to above, (de)allocate helper
997 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1000 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1001 (merge_and_complain): Same.
1003 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1006 * config/initfini-array.h: Guard content of the header
1007 with #ifdef HAVE_INITFINI_ARRAY.
1008 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1009 Add initfini-array.h to tm_file here.
1010 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1011 * config.gcc: Don't add initfini-array.h to tm_file here.
1012 * configure: Regenerated.
1014 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1016 PR rtl-optimization/51505
1017 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1018 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1019 (df_note_bb_compute): Update the call to df_kill_notes.
1021 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1023 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1025 2012-01-18 Richard Guenther <rguenther@suse.de>
1027 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1028 of conversions to void *.
1030 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1031 Richard Sandiford <rdsandiford@googlemail.com>
1035 * optabs.h (simplify_expand_binop): Declare.
1036 * optabs.c (simplify_expand_binop): Make global.
1037 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1038 endian targets if the source cannot be exactly covered by word
1041 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1044 * hard-reg-set.h (struct hard_reg_set_container): New type.
1045 * target.h (struct hard_reg_set_container): Forward declare.
1046 * target.def (set_up_by_prologue): New target hook.
1047 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1048 * doc/tm.texi: Regenerated.
1049 * function.c (thread_prologue_and_epilogue_insns): Change
1050 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1051 Call targetm.set_up_by_prologue on it.
1052 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1053 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1055 2012-01-17 Nick Clifton <nickc@redhat.com>
1057 * config/rx/rx.c (rx_can_use_simple_return): New function.
1058 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1059 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1061 2012-01-17 Richard Guenther <rguenther@suse.de>
1064 * expr.c (expand_assignment): Take address-space information
1065 from the address operand of MEM_REF and TARGET_MEM_REF.
1066 (expand_expr_real_1): Likewise.
1068 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1070 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1071 reload dump is requested.
1073 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1076 * trans-mem.c (requires_barrier): Call may_be_aliased.
1078 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1080 PR tree-optimization/51877
1081 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1082 call arguments and fndecls compare equal, instead return false if they
1083 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1084 both SSA_NAMEs that are valueized the same, or they satisfy
1087 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1089 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1091 * configure: Regenerate.
1093 2012-01-16 Jan Hubicka <jh@suse.cz>
1097 * convert.c (convert_to_integer): Use fold_convert for
1098 converting an INTEGER_CST to integer type.
1100 2012-01-16 Jason Merrill <jason@redhat.com>
1103 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1105 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1108 * config/s390/s390.c (s390_chunkify_start): Don't skip
1109 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1110 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1111 If insn is followed by NOTE_INSN_VAR_LOCATION or
1112 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1113 Don't use location of note insns.
1115 PR tree-optimization/51865
1116 * tree-inline.c (tree_function_versioning): Call remap_decl
1117 on DECL_RESULT whenever it has VOID_TYPE_P type.
1119 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1121 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1122 for calls to locally-binding MIPS16 functions if only the return
1123 type uses float regs.
1125 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1126 Richard Sandiford <rdsandiford@googlemail.com>
1128 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1129 (SYMBOL_32_HIGH): Likewise.
1130 (mips_output_tls_reloc_directive): Declare.
1131 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1132 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1133 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1134 (mips_lo_relocs, mips_hi_relocs): Make extern.
1135 (mips16_stub_function): Move up file.
1136 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1137 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1138 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1139 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1140 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1141 (mips_get_tp): Add MIPS16 support.
1142 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1143 Generalize DTPREL and TPREL handling.
1144 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1145 Add MIPS16 TLS support.
1146 (mips_output_tls_reloc_directive): New function.
1147 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1148 * config/mips/predicates.md (symbolic_operand_with_high)
1149 (tls_reloc_operand): New predicates.
1150 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1151 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1152 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1153 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1154 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1155 (*tls_get_tp_mips16_call_<mode>): Likewise.
1157 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1159 PR rtl-optimization/51821
1160 * recog.c (peep2_find_free_register): Determine clobbered registers
1163 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1166 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1167 * config/avr/avr.c: Likewise.
1168 * config/avr/avr.h: Likewise.
1170 2012-01-13 Ian Lance Taylor <iant@google.com>
1173 * tree.h (TYPE_QUALS): Add cast to int.
1174 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1176 2012-01-13 Ian Lance Taylor <iant@google.com>
1178 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1179 comparing param_index to VEC_length result.
1181 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1183 * c-decl.c: Do not include tree-mudflap.h
1184 * tree-optimize.c: Likewise.
1185 * Makefile.in: Update dependencies.
1187 2012-01-13 Richard Guenther <rguenther@suse.de>
1190 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1191 variable-sized result always use RSO.
1193 2012-01-12 DJ Delorie <dj@redhat.com>
1195 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1196 pointer type, not just the default pointer type.
1198 2012-01-09 Richard Henderson <rth@redhat.com>
1199 Denis Chertykov <chertykov@gmail.com>
1202 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1203 * config/avr/avr.c (avr_can_eliminate): Simplify.
1204 (avr_initial_elimination_offset): Likewise.
1205 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1206 (expand_epilogue): Likewise.
1207 (avr_legitimize_address): Gut.
1208 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1209 (avr_hard_regno_nregs): New.
1210 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1211 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1212 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1213 add soft frame pointer.
1214 (CALL_USED_REGISTERS): Likewise.
1215 (REG_CLASS_CONTENTS): Likewise.
1216 (REGISTER_NAMES): Likewise.
1217 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1218 (HARD_FRAME_POINTER_REGNUM): New.
1219 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1220 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1221 remove the HARD_FRAME_POINTER self-elimination.
1223 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1226 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1227 DECL_EXTERNAL when checking for initializers of progmem variables.
1229 2012-01-12 Ira Rosen <irar@il.ibm.com>
1231 PR tree-optimization/51799
1232 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1233 that the last operation is a type demotion.
1235 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1237 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1238 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1240 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1243 * combine.c (distribute_notes): If i3 is a noreturn call,
1244 allow old_size to be equal to args_size and make sure the
1245 noreturn call gets REG_ARGS_SIZE note.
1246 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1247 on noreturn calls even when the delta is 0.
1249 2012-01-11 Nathan Sidwell <nathan@acm.org>
1251 * gcov.c (STRING_SIZE): Remove.
1252 (generate_results): Erase annotations for source files with no
1253 coverage information.
1255 (output_lines): Use it.
1257 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1259 * gimple.h (gimplify_body): Remove first argument.
1260 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1261 pointer set here, instead just pass DATA to walk_tree.
1262 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1263 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1264 (unvisit_body): Likewise, but with unmark_visited.
1265 (gimplify_body): Remove BODY_P argument and adjust.
1266 (gimplify_function_tree): Adjust call to gimplify_body.
1267 * omp-low.c (finalize_task_copyfn): Likewise.
1269 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1271 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1272 (build_function_type_skip_args): Delete.
1273 * tree.c (build_function_type_skip_args): Make static and add
1274 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1275 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1276 pass it to build_function_type_skip_args.
1277 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1278 (tree_function_versioning): Likewise.
1279 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1280 build_function_decl_skip_args.
1281 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1282 and pass it to build_function_decl_skip_args/tree_function_versioning.
1283 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1284 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1285 * trans-mem.c (ipa_tm_create_version): Likewise.
1286 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1287 * tree-inline.c (declare_return_variable): Remove always-true test.
1288 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1289 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1290 * ipa-split.c (split_function): Skip the return value for the split
1291 part if it doesn't return.
1293 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1295 PR tree-optimization/49642
1296 * ipa-split.c (forbidden_dominators): New variable.
1297 (check_forbidden_calls): New function.
1298 (dominated_by_forbidden): Likewise.
1299 (consider_split): Check for forbidden dominators.
1300 (execute_split_functions): Initialize and free forbidden
1301 dominators info; call check_forbidden_calls.
1303 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1305 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1307 2012-01-11 Nick Clifton <nickc@redhat.com>
1309 * config/rx/rx.md (return): Define pattern.
1311 2012-01-11 Richard Guenther <rguenther@suse.de>
1313 * doc/extend.texi (malloc attribute): Adjust according to
1316 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1317 Patrick Marlier <patrick.marlier@gmail.com>
1320 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1321 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1322 (ipa_tm_note_irrevocable): Same.
1323 (ipa_tm_scan_irr_block): Same.
1324 (ipa_tm_decrement_clone_counts): Same.
1325 (ipa_tm_scan_irr_function): Same.
1326 (ipa_tm_create_version_alias): Same.
1327 (ipa_tm_create_version): Same.
1328 (ipa_tm_transform_calls_redirect): Same.
1329 (ipa_tm_transform_calls): Same.
1330 (ipa_tm_transform_transaction): Same.
1331 (ipa_tm_execute): Same.
1333 2012-01-10 Richard Guenther <rguenther@suse.de>
1336 * opts.c (common_handle_option): Handle -Werror.
1338 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1340 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1343 2012-01-10 Jason Merrill <jason@redhat.com>
1345 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1348 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1350 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1351 supports R_386_TLS_GD_PLT reloc.
1352 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1353 supports R_386_TLS_LDM_PLT reloc.
1354 * configure: Regenerate.
1355 * config.in: Regenerate.
1357 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1360 Extend __pgmx semantics to linearize memory.
1361 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1362 determine if code comes inline or from libgcc.
1363 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1364 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1365 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1366 (movmemx_qi, movmemx_hi): New insns.
1367 (xload_<mode>_libgcc): Rewrite to new insn condition.
1368 (xload_<mode>): Remove insns.
1369 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1370 cases that don't satisfy avr_xload_libgcc_p().
1371 (avr_addr_space_convert): Allow converting in any direction.
1372 (avr_addr_space_subset_p): Return always true.
1373 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1374 (avr_emit_movmemhi): Ditto.
1375 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1376 (avr_out_movmem): Ditto.
1377 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1378 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1379 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1380 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1381 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1383 2012-01-10 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/50913
1386 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1387 Require data-refs to be representable by Graphite with respect
1390 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1392 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1393 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1395 2012-01-10 Tom de Vries <tom@codesourcery.com>
1397 PR rtl-optimization/51271
1398 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1399 handling annulled branch.
1401 2012-01-10 Richard Henderson <rth@redhat.com>
1403 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1404 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1405 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1406 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1407 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1408 arm_expand_vec_perm_const): New.
1409 * config/arm/arm-protos.h: Update.
1410 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1411 (*neon_vswp<VDQX>): New.
1412 (neon_vcombine<VDX>): Use neon_split_vcombine.
1413 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1414 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1415 (vec_perm<VE>): New.
1417 2012-01-10 Richard Henderson <rth@redhat.com>
1419 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1420 use it if reload_completed.
1421 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1422 arm_output_asm_insn, arm_process_output_memory_barrier,
1423 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1424 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1425 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1426 arm_process_output_sync_insn, arm_output_sync_insn,
1427 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1428 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1429 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1430 (emit_unlikely_jump): New.
1431 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1432 (arm_split_atomic_op): New.
1433 * config/arm/arm-protos.h: Update.
1434 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1435 (struct arm_sync_generator): Remove.
1436 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1437 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1438 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1439 (VUNSPEC_LL, VUNSPEC_SC): New.
1440 (sync_result, sync_memory, sync_required_value, sync_new_value,
1441 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1442 (attr length): Don't use arm_sync_loop_insns.
1443 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1444 (movsfcc, movdfcc): Likewise.
1445 * config/arm/constraints.md (Ua): New.
1446 * config/arm/prediates.md (mem_noofs_operand): New.
1447 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1448 (sync_clobber, sync_t2_reqd): Remove.
1449 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1450 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1451 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1452 (arm_sync_compare_and_swap<SIDI>): Remove.
1453 (arm_sync_compare_and_swap<NARROW>): Remove.
1454 (arm_sync_lock_test_and_set<SIDI>): Remove.
1455 (arm_sync_lock_test_and_set<NARROW>): Remove.
1456 (arm_sync_new_<syncop><SIDI>): Remove.
1457 (arm_sync_new_<syncop><NARROW>): Remove.
1458 (arm_sync_new_nand<SIDI>): Remove.
1459 (arm_sync_new_nand<NARROW>): Remove.
1460 (arm_sync_old_<syncop><SIDI>): Remove.
1461 (arm_sync_old_<syncop><NARROW>): Remove.
1462 (arm_sync_old_nand<SIDI>): Remove.
1463 (arm_sync_old_nand<NARROW>): Remove.
1464 (*memory_barrier): Merge arm_output_memory_barrier.
1465 (atomic_compare_and_swap<QHSD>): New.
1466 (atomic_compare_and_swap<NARROW>_1): New.
1467 (atomic_compare_and_swap<SIDI>_1): New.
1468 (atomic_exchange<QHSD>): New.
1469 (cas_cmp_operand, cas_cmp_str): New.
1470 (atomic_op_operand, atomic_op_str): New.
1471 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1472 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1473 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1474 (arm_load_exclusive<NARROW>): New.
1475 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1476 (arm_store_exclusive<QHSD>): New.
1478 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1480 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1481 reload patterns if -mvsx-scalar-memory.
1483 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1484 generated, even -mno-vsx-scalar-double was used.
1485 (vsx_xscvdpsp_scalar): Likewise.
1486 (vsx_xscvspdp_scalar2): Likewise.
1488 2012-01-09 Tom de Vries <tom@codesourcery.com>
1489 Andrew Pinski <apinski@cavium.com>
1492 * reorg.c (fill_slots_from_thread): Don't speculate
1493 frame-related insns.
1495 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1497 * sched-int.h (bb_note): Move to...
1498 * basic-block.h: ...here.
1499 * haifa-sched.c (bb_note): Move to...
1500 * cfgrtl.c: ...here.
1501 * function.c (next_block_for_reg): New function.
1502 (move_insn_for_shrink_wrap): Likewise.
1503 (prepare_shrink_wrap): Rewrite to use the above.
1505 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1507 * gimple.c (is_gimple_non_addressable): Remove.
1508 * gimple.h: Remove is_gimple_non_addressable.
1509 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1510 is_gimple_non_addressable.
1511 * trans-mem.c (expand_assign_tm): Same.
1513 2012-01-09 Richard Guenther <rguenther@suse.de>
1515 PR tree-optimization/51775
1516 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1517 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1519 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1521 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1523 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1525 2012-01-09 Richard Guenther <rguenther@suse.de>
1527 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1529 2012-01-08 Jan Hubicka <jh@suse.cz>
1531 PR tree-optimize/51680
1532 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1533 on when known_vals needs to be computed; cleanup.
1535 2012-01-08 Jan Hubicka <jh@suse.cz>
1537 PR tree-optimize/51694
1538 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1540 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1542 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1543 for -std=c++98 and -std=c++11 too.
1545 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1547 * cfgloop.c (cancel_loop): Add free() of bbs array.
1549 2012-01-07 Jan Hubicka <jh@suse.cz>
1551 PR tree-optimization/51600
1552 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1553 that benefits small functions.
1555 2012-01-07 Jan Hubicka <jh@suse.cz>
1557 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1559 2012-01-07 Jan Hubicka <jh@suse.cz>
1561 PR tree-optimization/51680
1562 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1563 whose inlining reduce unit size.
1565 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1568 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1569 Add canonical node to containing_mem chain after the non-canonical
1570 one, even if there weren't any locs to propagate.
1571 (remove_useless_values): Keep only canonical values.
1572 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1573 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1574 canonicalize mem_chain elements that are not discarded.
1576 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1579 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1580 before emitting functions.
1582 PR gcov-profile/50127
1583 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1584 clear_aux_for_blocks.
1586 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1589 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1591 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1593 * c-decl.c (ext_block): Moved up.
1594 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1596 2012-01-06 Han Shen <shenhan@google.com>
1598 Translate built-in include paths for sysroot.
1599 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1600 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1602 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1603 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1605 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1606 control whether sysroot should be prepended to gxx include dir.
1608 * configure: Regenerate.
1610 2012-01-06 Torvald Riegel <triegel@redhat.com>
1612 PR rtl-optimization/51771
1613 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1614 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1616 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1618 PR tree-optimization/51315
1619 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1620 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1622 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1625 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1626 for shrp pattern. Correctly handle and fixup shift variable.
1627 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1629 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1632 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1633 note when !ACCUMULATE_OUTGOING_ARGS.
1635 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1637 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1639 (extract_range_from_unary_expr_1): Avoid useless computations.
1641 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1643 PR rtl-optimization/51767
1644 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1645 of jump_block and add an extra edge for degenerated asm gotos.
1648 * stmt.c (check_unique_operand_names): Don't ICE during error
1649 reporting if i is from labels chain.
1652 * profile.c (branch_prob): Split bbs that have exit edge
1653 and need a fake entry edge too.
1655 2012-01-05 Jan Hubicka <jh@suse.cz>
1658 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1661 2012-01-05 Richard Guenther <rguenther@suse.de>
1664 * tree-streamer-out.c (write_ts_optimization): New function.
1665 (streamer_write_tree_body): Call it.
1666 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1667 (streamer_read_tree_body): Call it.
1668 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1670 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1673 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1674 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1675 in_cleanup_point_expr before gimplify_stmt call and restore it
1677 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1678 in_cleanup_point_expr is false.
1680 2012-01-05 Richard Guenther <rguenther@suse.de>
1683 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1685 * toplev.c (process_options): Reject combining mudflap and LTO.
1686 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1688 2012-01-05 Richard Guenther <rguenther@suse.de>
1690 PR tree-optimization/51760
1691 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1693 (bit_value_unop): Handle UNDEFINED operands.
1694 (bit_value_binop): Likewise.
1696 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1698 * config/avr/avr.c (avr_replace_prefix): Remove.
1699 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1700 (avr_asm_function_rodata_section): Ditto.
1701 (avr_asm_select_section): Ditto.
1703 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1705 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1708 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1711 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1712 calls that have any non-fake successor edges.
1715 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1717 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1719 PR tree-optimization/51624
1720 * tree-sra.c (build_ref_for_model): When replicating a chain of
1721 COMPONENT_REFs, stop as soon as the offset would become negative.
1723 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1726 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1727 in .debug_loc on the floor.
1729 2012-01-04 Andrew Pinski <apinski@cavium.com>
1731 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1733 2012-01-04 Andrew Pinski <apinski@cavium.com>
1734 Adam Nemet <anemet@caviumnetworks.com>
1736 * config/mips/mips.md (size): Add SI and DI.
1737 (SIZE): New mode attribute.
1738 (U): New code attribute.
1739 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1740 (mips_lbux_<mode>): Delete.
1741 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1742 (mips_lhx): Use gen_mips_lhx_extsi.
1743 (mips_lhx_<mode>): Delete.
1745 (mips_l<size>x): New expand.
1746 (mips_lwx_<mode>): Delete.
1747 (mips_l<GPR:size>x_<P:mode>): New pattern.
1748 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1749 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1750 * config/mips/mips.c (mips_lx_address_p): New function.
1751 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1752 (dsp64): New availability predicate.
1753 (mips_builtins): Add an entry for __builtin_mips_ldx.
1754 * config/mips/mips.h (ISA_HAS_LBX): New define.
1755 (ISA_HAS_LBUX): Likewise.
1756 (ISA_HAS_LHX): Likewise.
1757 (ISA_HAS_LHUX): Likewise.
1758 (ISA_HAS_LWX): Likewise.
1759 (ISA_HAS_LWUX): Likewise.
1760 (ISA_HAS_LDX): Likewise.
1761 * doc/extend.texi (__builtin_mips_ldx): Document.
1763 2012-01-04 Tristan Gingold <gingold@adacore.com>
1765 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1766 when long pointers are used.
1767 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1768 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1769 (ia64-hp-*vms*): Remove.
1770 * config/vms/xm-vms64.h: Delete.
1772 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1775 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1777 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1779 * opts.c (finish_options): Remove duplicate sorry.
1781 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1784 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1787 2012-01-04 Richard Guenther <rguenther@suse.de>
1790 * tree.c (size_low_cst): New function.
1791 * tree.h (size_low_cst): Declare.
1792 * fold-const.c (fold_comparison): Use it to extract the low
1793 part of the POINTER_PLUS_EXPR offset.
1795 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1797 Fix clearing ZERO_REG
1798 * config/avr/avr.md (cc): Add alternative "ldi".
1799 (movqi_insn): Use it in cc attribute.
1800 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1801 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1802 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1804 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1806 * configure: Regenerate.
1808 2012-01-04 Richard Guenther <rguenther@suse.de>
1810 PR tree-optimization/49651
1811 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1812 (var_can_have_subvars): Use it.
1813 (get_constraint_for_1): Only consider subfields if there can be any.
1815 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1818 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1819 to its new canonical_cselib_val and the cselib_val was in
1820 first_containing_mem chain, but the canonical_cselib_val was not,
1821 add the latter into the chain.
1822 (cselib_invalidate_mem): Compare canonical_cselib_val of
1823 addr_list chain elt with v.
1826 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1827 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1829 (output_macinfo_op): Don't ggc_strdup fd->filename.
1830 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1831 then ggc_strdup it. Don't free inc->info or cur->info.
1832 (output_macinfo): Don't free ref->info or file->info.
1834 2012-01-03 Ira Rosen <irar@il.ibm.com>
1836 PR tree-optimization/51269
1837 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1838 first_niters a pointer.
1839 (slpeel_tree_peel_loop_to_edge): Likewise.
1840 (vect_do_peeling_for_loop_bound): Update call to
1841 slpeel_tree_peel_loop_to_edge.
1842 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1843 here. Remove it from the parameters list.
1844 (vect_do_peeling_for_alignment): Update calls and compute
1847 2012-01-03 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/51070
1850 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1851 Properly handle calls.
1853 2012-01-03 Richard Guenther <rguenther@suse.de>
1855 PR tree-optimization/51692
1856 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1857 the LHS of allocation stmts.
1859 2012-01-03 Olivier Hainque <hainque@adacore.com>
1861 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1863 2012-01-03 Olivier Hainque <hainque@adacore.com>
1865 * collect2.c (main): In AIX specific computations for vector
1866 insertions, use CONST_CAST2 to cast from char ** to const char **.
1868 2012-01-03 Richard Guenther <rguenther@suse.de>
1871 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1872 the context of a limbo DIE when it does not already exist.
1874 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1876 PR tree-optimization/51719
1877 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1878 but direct call is, clear direct call's lhs and don't add fallthrough
1879 edge from dcall_bb to join_bb and PHIs.
1881 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1883 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1884 the instructions emitted by the pattern.
1885 ("*TDC_insn_<mode>"): Add comment.
1887 2012-01-03 Richard Guenther <rguenther@suse.de>
1890 * fold-const.c (fold_comparison): Properly canonicalize
1891 tree offset and HOST_WIDE_INT bit position.
1893 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1895 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1896 operands for extzv pattern.
1898 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1901 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1904 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1906 * doc/invoke.texi (-flto and related options): Copy-edit.
1908 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1910 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1912 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1914 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1917 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1919 * expr.h (move_by_pieces_ninsns): Declare.
1920 * expr.c (move_by_pieces_ninsns): Make external.
1921 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1922 (mips_store_by_pieces_p): Likewise.
1923 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1924 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1925 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1926 (mips_store_by_pieces_p): Likewise.
1928 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1930 * passes.c (register_one_dump_file): Free full_name.
1932 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1933 (calculate_elim_costs_all_insns): Free offsets_at and
1934 offsets_known_at at the end and clear the pointers.
1936 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1938 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1939 this option introduced in r180739.
1941 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1944 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1945 (tmake_file target=avr): Add avr/t-multilib.
1947 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1948 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1949 * config/avr/genmultilib.awk: New file.
1950 * config/avr/t-multilib: New auto-generated file.
1951 * config/avr/multilib.h: New auto-generated file.
1952 * config/avr/t-avr (AVR_MCUS): New variable.
1953 (genopt.sh): Use it.
1954 (s-mlib): Depend on t-multilib.
1955 (t-multilib, multilib.h): New dependencies.
1956 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1957 (MULTILIB_OPTIONS): Remove.
1958 (MULTILIB_MATCHES): Remove.
1959 (MULTILIB_DIRNAMES): Remove.
1960 (MULTILIB_EXCEPTIONS): Remove:
1961 * config/avr/genopt.sh: Don't use hard coded file name;
1962 pass AVR_MCUS from t-avr instead.
1964 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1966 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1968 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1970 Implement light-weight DImode support.
1971 * config/avr/avr-dimode.md: New file.
1972 * config/avr/avr.md: Include it.
1973 (adjust_len): Add plus64, compare64.
1974 (HIDI): Remove code iterator.
1975 (code_stdname): New code attribute.
1976 (rotx, rotsmode): Remove DI.
1977 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1979 * config/avr/avr-protos.h (avr_have_dimode): New.
1980 (avr_out_plus64, avr_out_compare64): New.
1981 * config/avr/avr.c (avr_out_compare): Handle DImode.
1982 (avr_have_dimode): New variable definition and initialization.
1983 (avr_out_compare64, avr_out_plus64): New functions.
1984 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1985 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1986 (avr_compare_pattern): Skip DImode comparisons.
1988 2012-01-02 Revital Eres <revital.eres@linaro.org>
1990 * ddg.c (def_has_ccmode_p): New function.
1991 (add_cross_iteration_register_deps,
1992 create_ddg_dep_from_intra_loop_link): Call it.
1994 2012-01-02 Richard Guenther <rguenther@suse.de>
1997 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1999 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2001 * gcc.c (process_command): Update copyright notice dates.
2002 * gcov.c (print_version): Likewise.
2003 * gcov-dump.c (print_version): Likewise.
2004 * mips-tfile.c (main): Likewise.
2005 * mips-tdump.c (main): Likewise.
2007 2012-01-01 Ira Rosen <irar@il.ibm.com>
2009 PR tree-optimization/51704
2010 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2011 a use is inside the basic block or loop before accessing its vect info.
2013 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2015 PR rtl-optimization/51069
2016 * cfgloopmanip.c (remove_path): Removing path making irreducible
2017 region unconditional makes BB part of the region.
2019 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2021 PR tree-optimization/51683
2022 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2023 calls with side-effects.
2024 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2026 Copyright (C) 2012 Free Software Foundation, Inc.
2028 Copying and distribution of this file, with or without modification,
2029 are permitted in any medium without royalty provided the copyright
2030 notice and this notice are preserved.