1 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2 Jayant R Sonar <jayant.sonar@kpitcummins.com>
4 * config.gcc: Add cr16-* support.
6 * doc/extend.texi: Document cr16 extensions.
7 * doc/install.texi: Document cr16 install.
8 * doc/invoke.texi: Document cr16 options.
9 * doc/md.texi: Document cr16 constraints.
11 * common/config/cr16/cr16-common.c: New file.
12 * config/cr16/cr16.c: New file.
13 * config/cr16/cr16.h: New file.
14 * config/cr16/cr16.md: New file.
15 * config/cr16/cr16.opt: New file.
16 * config/cr16/cr16-protos.h: New file.
17 * config/cr16/predicates.md: New file.
18 * config/cr16/constraints.md: New file.
19 * config/cr16/t-cr16: New file.
21 2012-02-02 Jakub Jelinek <jakub@redhat.com>
24 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
25 that operands[2] is either immediate, or q_regs_operand.
27 PR tree-optimization/52073
28 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
29 a pattern stmt for pattern uses, ignore uses outside of the loop.
31 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
33 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
34 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
35 (OUT_AS1, OUT_AS2): Remove.
37 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
39 PR rtl-optimization/51374
40 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
41 to cross other volatile_refs_p insns.
43 2012-02-01 Richard Guenther <rguenther@suse.de>
45 * doc/invoke.texi (fno-inline): Clarify documentation.
46 (finline-small-functions): Likewise.
47 (finline-functions): Likewise.
48 * common.opt (finline): Adjust comment and documentation.
49 (finline-small-functions): Clarify documentation.
50 (finline-functions): Likewise.
51 (finline-functions-called-once): Likewise.
53 2012-02-01 Tristan Gingold <gingold@adacore.com>
55 * c-typeck.c (composite_type): Keep mode for pointers.
57 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
59 * function.h (regno_reg_rtx): Adjust comment.
60 * reginfo.c (init_reg_modes_target): Only use the previous mode
61 if it fits within one register. Remove MIPS comment.
63 2012-01-31 Jakub Jelinek <jakub@redhat.com>
66 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
68 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
70 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
73 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
75 config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
78 2012-01-31 Jakub Jelinek <jakub@redhat.com>
83 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
85 2012-01-31 Richard Guenther <rguenther@suse.de>
87 PR tree-optimization/51528
88 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
91 2012-01-31 Jakub Jelinek <jakub@redhat.com>
96 * ree.c (add_removable_extension): Change def_map argument
97 to unsigned *, store in def_map 1 + offset into *insn_list vector
98 instead of pointers into the vector.
99 (find_removable_extensions): Adjust caller.
101 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
103 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
104 Transform all "* quoted-c-code" to { c-code }.
105 Remove redundant test for "optimize" in combine patterns.
106 Move (include "avr-dimode.md") to end of file.
108 2012-01-30 Bin Cheng <bin.cheng@arm.com>
111 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
112 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
114 2012-01-30 Richard Guenther <rguenther@suse.de>
116 PR tree-optimization/52028
117 * tree-loop-distribution.c (ldist_gen): Properly update
120 2012-01-30 Jakub Jelinek <jakub@redhat.com>
123 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
124 set_cur_line_info_table if not emitting debug info.
126 PR tree-optimization/52046
127 * tree-vect-patterns.c (check_bool_pattern): Give up if
128 a comparison could throw.
131 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
133 2012-01-30 Richard Guenther <rguenther@suse.de>
135 PR tree-optimization/52045
136 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
137 SSA form if cfgcleanup did anything.
139 2012-01-30 Richard Guenther <rguenther@suse.de>
141 PR tree-optimization/52045
142 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
143 before computing final todo.
145 2012-01-30 Richard Guenther <rguenther@suse.de>
147 PR tree-optimization/51528
148 * tree-sra.c (sra_modify_assign): Re-factor in preparation
151 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
153 * df-problems.c (df_kill_notes): Check that the use refers
154 to the note under examination.
156 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
159 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
160 parameter and use short-lived pseudos.
161 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
162 (sparc_expand_vector_init): Const-ify local variables and adjust
163 calls to above functions.
165 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
167 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
169 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
171 * doc/invoke.texi: Make usage of "compile time" and
172 "run time"/"runtime" consistent throughout the file.
174 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
176 * config/alpha/alpha.c (alpha_option_overrride): Default to
177 full IEEE compliance mode for Go language.
179 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
181 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
182 (LINK_SSP_SPEC): Define.
184 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
187 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
190 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
192 * doc/invoke.texi: Correct hyphenation of "floating point",
193 "double precision", and related terminology throughout the file.
195 2012-01-28 Jakub Jelinek <jakub@redhat.com>
198 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
199 arm_general_register_operand predicate for operand 2 instead of
202 2012-01-27 Ian Lance Taylor <iant@google.com>
205 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
206 * builtins.c (expand_builtin_init_trampoline): Add onstack
207 parameter. Change caller.
208 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
209 * tree.c (build_common_builtin_nodes): Declare
210 __builtin_init_heap_trampoline.
212 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
214 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
215 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
216 * config/avr/avr.c: Ditto.
217 (avr_regnames): Remove because unused.
218 * config/avr/avr.md (*cpse.ne): New peephole.
219 (*cpse.eq): New peephole from former cpse peepholes.
221 2012-01-27 Michael Eager <eager@eagercon.com>
223 * config/microblaze.c (microblaze_emit_compare): Correct
224 test after pcmp instruction.
226 2012-01-27 Richard Guenther <rguenther@suse.de>
228 PR tree-optimization/52020
229 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
231 2012-01-27 Richard Guenther <rguenther@suse.de>
233 * ipa-pure-const.c (check_stmt): Clobbers do not make a
234 function non-const/pure.
236 2012-01-27 Richard Guenther <rguenther@suse.de>
238 PR tree-optimization/50444
239 * tree-sra.c (build_ref_for_offset): Properly adjust the
240 MEM_REF type for unaligned accesses.
242 2012-01-27 Richard Guenther <rguenther@suse.de>
244 PR tree-optimization/50444
245 * expr.c (mem_ref_refers_to_non_mem_p): New function.
246 (expand_assignment): Use it. Properly handle misaligned
247 bases when expanding stores to component references.
248 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
251 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
254 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
255 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
256 * tree-data-ref.c (find_data_references_in_loop): Make static.
257 (compute_all_dependences): Change return type to bool. Bail out
258 for too many datarefs in a loop. Move the hunk resetting the data
259 dependences vector from ...
260 (compute_data_dependences_for_loop): ... here. Account for
261 compute_all_dependences returning false.
262 (compute_data_dependences_for_bb): Likewise.
263 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
264 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
266 2012-01-27 Richard Guenther <rguenther@suse.de>
269 * expr.c (store_field): Use the alias-set of the scratch memory
272 2012-01-27 Tom de Vries <tom@codesourcery.com>
274 PR tree-optimization/51990
275 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
277 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
279 2012-01-27 Jakub Jelinek <jakub@redhat.com>
282 * var-tracking.c (reverse_op): Don't add any reverse operation
283 if V already has any constant locations.
285 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
287 * doc/invoke.texi: Correct usage of "command line" (noun)
288 vs "command-line" (adjective) throughout.
290 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
292 * doc/invoke.texi (Language Independent Options): Move
293 -Wcoverage-mismatch blurb from here....
294 (Warning Options): ...to here.
296 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
298 * config/rs6000/rs6000.c (rs6000_option_override_internal):
299 Set rs6000_always_hint to false for 476.
301 2012-01-27 Matthias Klose <doko@ubuntu.com>
303 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
305 * incpath.c (add_standard_paths): Likewise.
307 2012-01-27 Richard Henderson <rth@redhat.com>
309 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
310 * config/m68k/sync.md (atomic_test_and_set): Rename from
311 sync_test_and_setqi and adjust the operands.
312 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
313 and unconditionally enable.
315 2012-01-27 Richard Henderson <rth@redhat.com>
317 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
318 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
319 (ldstub): Rename from ldstubqi.
320 (ldstub<I24MODE>): Remove.
322 2012-01-27 Richard Henderson <rth@redhat.com>
324 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
325 * c-cppbuiltin.c (cpp_atomic_builtins): Define
326 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
327 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
328 * doc/tm.texi: Rebuild.
330 2012-01-27 Richard Henderson <rth@redhat.com>
332 * optabs.c (gen_atomic_test_and_set): Remove default.
333 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
335 2012-01-26 Jakub Jelinek <jakub@redhat.com>
337 PR rtl-optimization/51978
338 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
339 (combine_reaching_defs): Likewise.
340 (struct re_info): Remove.
341 (add_removable_extension): Remove x and data arguments,
342 add insn, insn_list and def_map. Use the arguments directly
343 instead of using struct re_info.
344 (find_removable_extensions): Don't call add_removable_extension
345 through note_stores, instead just call it with single_set
347 (find_and_remove_re): Pass curr_cand->expr instead of
348 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
350 2012-01-26 Michael Matz <matz@suse.de>
352 PR tree-optimization/46590
353 * cfgexpand.c: Revert last change (r183305).
354 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
356 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
357 checking for emptiness.
359 2012-01-26 Jakub Jelinek <jakub@redhat.com>
362 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
363 non-addressable non-BLKmode base correctly.
365 2012-01-26 Michael Matz <matz@suse.de>
367 PR tree-optimization/48794
368 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
369 regions referenced from RESX/EH_DISPATCH.
371 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
373 * config/s390/s390.h: Make BRANCH_COST an option.
374 * config/s390/s390.opt: New option -mbranch-cost.
376 2012-01-26 Richard Henderson <rth@redhat.com>
378 Revert 2012-01-24 change:
379 * trans-mem.c (requires_barrier): Do not instrument thread local
380 variables and emit save/restore for them.
382 2012-01-25 Jakub Jelinek <jakub@redhat.com>
385 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
388 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
390 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
393 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
396 Rename __pgm to __flash.
397 Rename __pgm1 to __flash1.
398 Rename __pgm2 to __flash2.
399 Rename __pgm3 to __flash3.
400 Rename __pgm4 to __flash4.
401 Rename __pgm5 to __flash5.
402 Rename __pgmx to __memx.
403 * doc/extend.texi (AVR Named Address Spaces)
404 Rename address space names as indicated above.
405 * config/avr/avr.c (avr_addrspace): Ditto.
407 * config/avr/avr-protos.h
408 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
409 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
410 * config/avr/predicates.md: Ditto.
411 * config/avr/avr.c Ditto, and
412 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
413 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
415 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
416 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
417 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
418 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
419 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
420 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
421 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
422 * config/avr/avr.c: Ditto.
423 * config/avr/avr.md: Ditto.
425 2012-01-25 Jason Merrill <jason@redhat.com>
428 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
430 2012-01-25 Jakub Jelinek <jakub@redhat.com>
432 PR tree-optimization/51987
433 * tree-data-ref.c (get_references_in_stmt): Handle references in
434 non-volatile GIMPLE_ASM.
436 2012-01-25 Richard Guenther <rguenther@suse.de>
438 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
439 bases are dereferenced.
441 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
443 PR rtl-optimization/48374
444 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
446 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
448 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
449 compute_data_dependences_for_loop returns false.
450 * tree-parloops.c (loop_parallel_p): Likewise.
452 2012-01-25 Richard Guenther <rguenther@suse.de>
454 * tree.h (get_pointer_alignment_1): Declare.
455 * builtins.c (get_pointer_alignment_1): New function.
456 (get_pointer_alignment): Use it.
458 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
460 PR rtl-optimization/48308
461 * combine.c (enum undo_kind): Add UNDO_LINKS.
462 (struct undo): Add member l to other_contents and where.
463 (do_SUBST_LINK): New.
465 (try_combine): Handle LOG_LINKS for the dummy i1 case.
466 (undo_all): Handle UNDO_LINKS.
468 2012-01-25 Richard Henderson <rth@redhat.com>
470 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
473 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
475 * optabs.c (gen_atomic_test_and_set): Use each argument.
477 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
479 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
480 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
481 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
482 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
483 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
484 TARGET_PAIRED_SINGLE_FLOAT.
486 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
488 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
489 (in_struct, return_val): Remove MEM documentation.
490 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
491 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
492 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
494 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
495 * cfgexpand.c (add_alias_set_conflicts): Likewise.
496 * expr.c (store_field): Likewise.
497 * function.c (assign_stack_temp_for_type): Likewise.
498 * ifcvt.c (noce_try_cmove_arith): Likewise.
499 * reload1.c (reload): Likewise.
500 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
501 (alpha_set_memflags): Likewise.
502 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
504 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
506 * rtl.h (true_dependence, canon_true_dependence): Remove varies
508 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
509 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
510 (true_dependence_1, true_dependence, canon_true_dependence): Remove
512 * cselib.c (cselib_rtx_varies_p): Delete.
513 (cselib_invalidate_mem): Update call to canon_true_dependence.
514 * dse.c (record_store, check_mem_read_rtx): Likewise.
515 (scan_reads_nospill): Likewise.
516 * cse.c (check_dependence): Likewise.
517 (cse_rtx_varies_p): Delete.
518 * expr.c (safe_from_p): Update call to true_dependence.
519 * ira.c (validate_equiv_mem_from_store): Likewise.
520 (memref_referenced_p): Likewise.
521 * postreload-gcse.c (find_mem_conflicts): Likewise.
522 * sched-deps.c (sched_analyze_2): Likewise.
523 * store-motion.c (load_kills_store): Likewise.
524 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
525 * gcse.c (mems_conflict_for_gcse_p): Likewise.
526 (compute_transp): Update call to canon_true_dependence.
528 2012-01-25 Richard Henderson <rth@redhat.com>
530 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
531 (maybe_emit_atomic_test_and_set): New.
532 (expand_sync_lock_test_and_set): Use it.
533 (expand_atomic_test_and_set): Likewise.
534 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
535 the implementation; clarify implementation defined details.
536 * doc/md.texi (atomic_test_and_set): Document.
538 2012-01-25 Richard Henderson <rth@redhat.com>
540 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
542 2012-01-25 Richard Henderson <rth@redhat.com>
545 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
546 to effect no-op split.
548 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
551 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
552 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
553 (BT_FN_VOID_PTR_INT_SIZE): New.
554 (BT_FN_UINT_UINT_VAR): Remove.
555 (BT_FN_UINT32_UINT32_VAR): New.
556 (BT_FN_DOUBLE_VPTR): Remove.
557 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
559 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
560 (_ITM_changeTransactionMode): Same.
561 (_ITM_memmoveRtWt): Change return type to void.
562 (_ITM_memcpyRtWt): Same.
563 (_ITM_memsetW): Same.
564 (_ITM_RaRD): Change types to double.
569 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
571 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
572 Patrick Marlier <patrick.marlier@gmail.com>
574 * trans-mem.c (requires_barrier): Do not instrument thread local
575 variables and emit save/restore for them.
577 2012-01-24 Jason Merrill <jason@redhat.com>
580 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
581 output static aliases.
583 2012-01-24 Jakub Jelinek <jakub@redhat.com>
586 * common.opt (-pie, -shared, pie, shared): Change from Common to
588 * gcc.c (display_help): Display help for -pie and -shared.
590 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
593 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
594 Remove note on size/offset limitation.
595 (AVR Variable Attributes): Add example how to read data located
596 with progmem. Refer to named address spaces.
597 * doc/invoke.texi (AVR Options): Fix typo.
599 2012-01-24 Richard Guenther <rguenther@suse.de>
601 Forward-port to trunk
602 2010-09-21 Jakub Jelinek <jakub@redhat.com>
605 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
606 op0 isn't sufficiently aligned and there is movmisalignM
607 insn for mode, use it to load op0 into a temporary register.
609 2012-01-24 Jakub Jelinek <jakub@redhat.com>
612 * target.def (const_not_ok_for_debug_p): New hook.
613 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
615 * doc/tm.texi: Regenerated.
616 * dwarf2out.c (const_ok_for_output_1): If
617 targetm.const_not_ok_for_debug_p returns true, fail.
618 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
620 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
622 2012-01-23 Kai Tietz <ktietz@redhat.com>
625 * config/i386/predicates.md (symbolic_operand): Allow
626 UNSPEC_PCREL as PIC expression for lea.
627 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
628 * config/i386/i386.c (ix86_delegitimize_address): Handle
629 UNSPEC_PCREL for none-MEM, too.
631 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
633 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
634 (ipa_tm_create_version_alias): Same.
636 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
639 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
640 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
642 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
643 Patrick Marlier <patrick.marlier@gmail.com>
644 Iain Sandoe <developer@sandoe-acoustics.co.uk>
647 * lto-wrapper.c (run_gcc): Pass the LTO section name to
648 simple_object_start_read.
650 2012-01-23 Richard Guenther <rguenther@suse.de>
653 PR tree-optimization/51895
654 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
655 parameter decomposition into BLKmode components.
657 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
659 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
660 fake variables for restrict-qualified pointers whose pointed-to type
661 contains a placeholder.
663 2012-01-23 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/51949
666 * ipa-split.c (execute_split_functions): Do not split malloc functions.
668 2012-01-23 Jakub Jelinek <jakub@redhat.com>
670 PR rtl-optimization/51933
671 * ree.c (transform_ifelse): Return true right away if dstreg is
672 already wider or equal to cand->mode.
673 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
674 (make_defs_and_copies_lists): Remove defs_list and copies_list
675 arguments, add state argument, just truncate state->work_list
676 instead of always allocating and freeing the vector. Assert that
677 get_defs succeeds instead of returning 2. Changed return type to bool.
678 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
679 have ext_src_mode, see if it has been modified already with the
680 right kind of extension and has been extended before from the
681 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
682 just return true. Remember the original mode in state->modified array.
683 (combine_reaching_defs): Add state argument. Don't allocate and
684 free here def_list, copied_list and vec vectors, instead just
685 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
686 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
687 Add state variable, clear vectors in it, initialize state.modified
688 if needed. Free all the vectors at the end and state.modified too.
689 Don't skip a candidate if the extension expression has been modified.
691 2012-01-22 Douglas B Rupp <rupp@gnat.com>
694 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
695 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
696 (extra_options) interix.opt -> i386/interix.opt"
697 (extra_objs):Add winnt-stubs.o
698 * configure.ac: Add interix to target_os .comm on PE check.
699 * configure: Regenerate.
700 * config/interix3.h: Delete and move bits to..
701 * config/interix.h: Delete and move bits to..
702 * config/i386/i386-interix3.h: Delete and move bits to..
703 * config/i386/i386-interix.h: ..here.
704 (TARGET_CPU_DEFAULT): Remove redefinition.
705 (TARGET_ASM_CONSTRUCTOR): Undefine.
706 (SUBTARGET_SWITCHES): Define for ms-bitfields.
707 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
708 (PTRDIFF_TYPE): Define.
709 (LONG_DOUBLE_TYPE_SIZE): Define.
710 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
711 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
712 (TARGET_SECTION_TYPE_FLAGS): Define.
713 (ASM_DECLARE_FUNCTION_NAME): Define.
714 (ASM_OUTPUT_EXTERNAL): Define.
715 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
716 (ASM_OUTPUT_ALIGNED_BSS): Define.
717 (PCC_BITFIELD_TYPE_MATTERS): Define.
718 (USE_CONST_SECTION): Define.
719 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
720 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
721 (SUPPORTS_ONE_ONLY): Remove.
722 (I386_PE_STRIP_ENCODING): Define.
723 * config/interix.opt: Delete and move bits to..
724 * config/i386/interix.opt: ..here. New.
725 (mpe-aligned-commons): Add.
726 * config/i386/t-interix: Add copyright header.
727 (winnt-stubs.o): Add rule.
729 2012-01-22 Jason Merrill <jason@redhat.com>
732 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
733 for extra name aliases.
735 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
737 PR rtl-optimization/51924
738 * ree.c (combine_set_extension): Improve debugging message.
739 (combine_reaching_defs): Likewise.
740 (get_defs): Rename confusingly named variable.
741 (find_and_remove_re): Skip a candidate if the extension expression has
744 2012-01-21 Robert Millan <rmh@gnu.org>
745 Gerald Pfeifer <gerald@pfeifer.com>
747 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
748 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
750 2012-01-20 Jakub Jelinek <jakub@redhat.com>
752 PR tree-optimization/51914
753 * tree-vect-stmts.c (vectorizable_conversion): For
754 cvt_type && modifier == WIDEN, put temporary with cvt_type
755 at the beginning of vec_dsts and set vec_dest to temporary
758 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
760 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
762 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
764 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
765 * config/rs6000/rs6000.c: Likewise.
767 2012-01-20 Jakub Jelinek <jakub@redhat.com>
770 * config/arm/arm.c (arm_count_output_move_double_insns): Call
771 output_move_double on a copy of operands array.
773 2012-01-20 Cary Coutant <ccoutant@google.com>
774 Dodji Seketeli <dodji@redhat.com>
777 * dwarf2out.c (copy_declaration_context): Return ref to parent
778 of declaration DIE, if necessary.
779 (remove_child_or_replace_with_skeleton): Add new parameter; update
780 caller. Place skeleton DIE under parent DIE of original declaration.
781 Move call to copy_declaration_context to here ...
782 (break_out_comdat_types): ... from here.
784 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
786 PR rtl-optimization/51856
787 * reload.c (find_reloads_subreg_address): Set the address_reloaded
790 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
793 * config/arm/arm.c (arm_print_operand): Correct output of alignment
794 hints for neon loads and stores.
796 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
800 * doc/extend.texi (Named Address Spaces): Split into subsections.
801 (AVR Named Address Spaces): New subsection.
802 (M32C Named Address Spaces): New subsection.
803 (RL78 Named Address Spaces): New subsection.
804 (SPU Named Address Spaces): New subsection.
805 (Variable Attributes): New anchor "AVR Variable Attributes".
806 (AVR Variable Attributes): Rewrite and avoid wording
807 "address space" in this context.
808 * doc/invoke.texi (AVR Options): Rewrite and add documentation
809 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
810 (AVR Built-in Macros): New subsubsection therein.
811 * doc/md.texi (AVR constraints): Remove "C04", "R".
813 2012-01-20 Richard Guenther <rguenther@suse.de>
815 PR tree-optimization/51903
816 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
819 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
822 * config/arm/arm.c (arm_load_pic_register): Use
823 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
824 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
825 (arm_pic_static_addr): Likewise.
826 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
827 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
828 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
829 (pic_load_addr_unified): New.
831 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
834 * function.c (instantiate_virtual_regs_in_insn): Use
835 delete_insn_and_edges when removing a wrong asm insn.
837 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
839 PR rtl-optimization/40761
840 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
841 Add new member loop_num.
842 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
843 (ira_build): Remove the parameter.
845 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
846 (ira.c): Do not build CFG loops for one region allocation. Remove
847 argument from ira_build call.
849 * ira-build.c (init_loop_tree_node): New function.
850 (create_loop_tree_nodes): Use it. Separate the case when CFG
852 (more_one_region_p): Check current_loops.
853 (finish_loop_tree_nodes): Separate the case when CFG loops are not
855 (add_loop_to_tree): Process loop equal to NULL too.
856 (form_loop_tree): Separate the case when CFG loops are not built.
857 Use explicitly number for the root.
858 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
860 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
861 instead of loop->num.
862 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
863 (mark_all_loops_for_removal): Ditto.
864 (remove_unnecessary_regions): Separate the case when CFG loops
866 (ira_build): Remove the parameter. Use explicit number of regions
867 when CFG loops are not built.
869 * ira-color.c (print_loop_title): Separate the case for the root node.
870 Use loop_num instead of loop->num.
871 (move_spill_restore): Use loop_num instead of loop->num.
873 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
874 (change_loop): Ditto.
875 (change_loop): Use loop_num instead of loop->num.
877 * ira-lives.c (process_bb_node_lives): Ditto.
879 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
881 * ira-conflicts.c (print_allocno_conflicts): Ditto.
883 2012-01-19 Jakub Jelinek <jakub@redhat.com>
886 * tree-mudflap.c (mf_artificial): New function.
887 (execute_mudflap_function_ops, execute_mudflap_function_decls,
888 mx_register_decls, mudflap_enqueue_decl): Use it.
891 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
892 numbers in the insn pattern.
894 2012-01-19 Michael Matz <matz@suse.de>
896 PR tree-optimization/46590
897 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
898 use it in remembering which conflicts we already created.
899 (add_scope_conflicts): Adjust call to above, (de)allocate helper
902 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
905 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
906 (merge_and_complain): Same.
908 2012-01-19 Jakub Jelinek <jakub@redhat.com>
911 * config/initfini-array.h: Guard content of the header
912 with #ifdef HAVE_INITFINI_ARRAY.
913 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
914 Add initfini-array.h to tm_file here.
915 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
916 * config.gcc: Don't add initfini-array.h to tm_file here.
917 * configure: Regenerated.
919 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
921 PR rtl-optimization/51505
922 * df-problems.c (df_kill_notes): New parameter live. Update comment.
923 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
924 (df_note_bb_compute): Update the call to df_kill_notes.
926 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
928 * trans-mem.c (requires_barrier): Remove call to is_global_var.
930 2012-01-18 Richard Guenther <rguenther@suse.de>
932 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
933 of conversions to void *.
935 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
936 Richard Sandiford <rdsandiford@googlemail.com>
940 * optabs.h (simplify_expand_binop): Declare.
941 * optabs.c (simplify_expand_binop): Make global.
942 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
943 endian targets if the source cannot be exactly covered by word
946 2012-01-17 Jakub Jelinek <jakub@redhat.com>
949 * hard-reg-set.h (struct hard_reg_set_container): New type.
950 * target.h (struct hard_reg_set_container): Forward declare.
951 * target.def (set_up_by_prologue): New target hook.
952 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
953 * doc/tm.texi: Regenerated.
954 * function.c (thread_prologue_and_epilogue_insns): Change
955 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
956 Call targetm.set_up_by_prologue on it.
957 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
958 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
960 2012-01-17 Nick Clifton <nickc@redhat.com>
962 * config/rx/rx.c (rx_can_use_simple_return): New function.
963 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
964 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
966 2012-01-17 Richard Guenther <rguenther@suse.de>
969 * expr.c (expand_assignment): Take address-space information
970 from the address operand of MEM_REF and TARGET_MEM_REF.
971 (expand_expr_real_1): Likewise.
973 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
975 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
976 reload dump is requested.
978 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
981 * trans-mem.c (requires_barrier): Call may_be_aliased.
983 2012-01-17 Jakub Jelinek <jakub@redhat.com>
985 PR tree-optimization/51877
986 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
987 call arguments and fndecls compare equal, instead return false if they
988 don't. Return true only if lhs1 and lhs2 are either both NULL, or
989 both SSA_NAMEs that are valueized the same, or they satisfy
992 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
994 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
996 * configure: Regenerate.
998 2012-01-16 Jan Hubicka <jh@suse.cz>
1002 * convert.c (convert_to_integer): Use fold_convert for
1003 converting an INTEGER_CST to integer type.
1005 2012-01-16 Jason Merrill <jason@redhat.com>
1008 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1010 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1013 * config/s390/s390.c (s390_chunkify_start): Don't skip
1014 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1015 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1016 If insn is followed by NOTE_INSN_VAR_LOCATION or
1017 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1018 Don't use location of note insns.
1020 PR tree-optimization/51865
1021 * tree-inline.c (tree_function_versioning): Call remap_decl
1022 on DECL_RESULT whenever it has VOID_TYPE_P type.
1024 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1026 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1027 for calls to locally-binding MIPS16 functions if only the return
1028 type uses float regs.
1030 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1031 Richard Sandiford <rdsandiford@googlemail.com>
1033 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1034 (SYMBOL_32_HIGH): Likewise.
1035 (mips_output_tls_reloc_directive): Declare.
1036 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1037 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1038 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1039 (mips_lo_relocs, mips_hi_relocs): Make extern.
1040 (mips16_stub_function): Move up file.
1041 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1042 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1043 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1044 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1045 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1046 (mips_get_tp): Add MIPS16 support.
1047 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1048 Generalize DTPREL and TPREL handling.
1049 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1050 Add MIPS16 TLS support.
1051 (mips_output_tls_reloc_directive): New function.
1052 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1053 * config/mips/predicates.md (symbolic_operand_with_high)
1054 (tls_reloc_operand): New predicates.
1055 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1056 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1057 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1058 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1059 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1060 (*tls_get_tp_mips16_call_<mode>): Likewise.
1062 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1064 PR rtl-optimization/51821
1065 * recog.c (peep2_find_free_register): Determine clobbered registers
1068 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1071 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1072 * config/avr/avr.c: Likewise.
1073 * config/avr/avr.h: Likewise.
1075 2012-01-13 Ian Lance Taylor <iant@google.com>
1078 * tree.h (TYPE_QUALS): Add cast to int.
1079 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1081 2012-01-13 Ian Lance Taylor <iant@google.com>
1083 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1084 comparing param_index to VEC_length result.
1086 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1088 * c-decl.c: Do not include tree-mudflap.h
1089 * tree-optimize.c: Likewise.
1090 * Makefile.in: Update dependencies.
1092 2012-01-13 Richard Guenther <rguenther@suse.de>
1095 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1096 variable-sized result always use RSO.
1098 2012-01-12 DJ Delorie <dj@redhat.com>
1100 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1101 pointer type, not just the default pointer type.
1103 2012-01-09 Richard Henderson <rth@redhat.com>
1104 Denis Chertykov <chertykov@gmail.com>
1107 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1108 * config/avr/avr.c (avr_can_eliminate): Simplify.
1109 (avr_initial_elimination_offset): Likewise.
1110 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1111 (expand_epilogue): Likewise.
1112 (avr_legitimize_address): Gut.
1113 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1114 (avr_hard_regno_nregs): New.
1115 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1116 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1117 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1118 add soft frame pointer.
1119 (CALL_USED_REGISTERS): Likewise.
1120 (REG_CLASS_CONTENTS): Likewise.
1121 (REGISTER_NAMES): Likewise.
1122 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1123 (HARD_FRAME_POINTER_REGNUM): New.
1124 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1125 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1126 remove the HARD_FRAME_POINTER self-elimination.
1128 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1131 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1132 DECL_EXTERNAL when checking for initializers of progmem variables.
1134 2012-01-12 Ira Rosen <irar@il.ibm.com>
1136 PR tree-optimization/51799
1137 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1138 that the last operation is a type demotion.
1140 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1142 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1143 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1145 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1148 * combine.c (distribute_notes): If i3 is a noreturn call,
1149 allow old_size to be equal to args_size and make sure the
1150 noreturn call gets REG_ARGS_SIZE note.
1151 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1152 on noreturn calls even when the delta is 0.
1154 2012-01-11 Nathan Sidwell <nathan@acm.org>
1156 * gcov.c (STRING_SIZE): Remove.
1157 (generate_results): Erase annotations for source files with no
1158 coverage information.
1160 (output_lines): Use it.
1162 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1164 * gimple.h (gimplify_body): Remove first argument.
1165 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1166 pointer set here, instead just pass DATA to walk_tree.
1167 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1168 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1169 (unvisit_body): Likewise, but with unmark_visited.
1170 (gimplify_body): Remove BODY_P argument and adjust.
1171 (gimplify_function_tree): Adjust call to gimplify_body.
1172 * omp-low.c (finalize_task_copyfn): Likewise.
1174 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1176 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1177 (build_function_type_skip_args): Delete.
1178 * tree.c (build_function_type_skip_args): Make static and add
1179 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1180 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1181 pass it to build_function_type_skip_args.
1182 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1183 (tree_function_versioning): Likewise.
1184 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1185 build_function_decl_skip_args.
1186 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1187 and pass it to build_function_decl_skip_args/tree_function_versioning.
1188 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1189 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1190 * trans-mem.c (ipa_tm_create_version): Likewise.
1191 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1192 * tree-inline.c (declare_return_variable): Remove always-true test.
1193 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1194 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1195 * ipa-split.c (split_function): Skip the return value for the split
1196 part if it doesn't return.
1198 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1200 PR tree-optimization/49642
1201 * ipa-split.c (forbidden_dominators): New variable.
1202 (check_forbidden_calls): New function.
1203 (dominated_by_forbidden): Likewise.
1204 (consider_split): Check for forbidden dominators.
1205 (execute_split_functions): Initialize and free forbidden
1206 dominators info; call check_forbidden_calls.
1208 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1210 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1212 2012-01-11 Nick Clifton <nickc@redhat.com>
1214 * config/rx/rx.md (return): Define pattern.
1216 2012-01-11 Richard Guenther <rguenther@suse.de>
1218 * doc/extend.texi (malloc attribute): Adjust according to
1221 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1222 Patrick Marlier <patrick.marlier@gmail.com>
1225 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1226 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1227 (ipa_tm_note_irrevocable): Same.
1228 (ipa_tm_scan_irr_block): Same.
1229 (ipa_tm_decrement_clone_counts): Same.
1230 (ipa_tm_scan_irr_function): Same.
1231 (ipa_tm_create_version_alias): Same.
1232 (ipa_tm_create_version): Same.
1233 (ipa_tm_transform_calls_redirect): Same.
1234 (ipa_tm_transform_calls): Same.
1235 (ipa_tm_transform_transaction): Same.
1236 (ipa_tm_execute): Same.
1238 2012-01-10 Richard Guenther <rguenther@suse.de>
1241 * opts.c (common_handle_option): Handle -Werror.
1243 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1245 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1248 2012-01-10 Jason Merrill <jason@redhat.com>
1250 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1253 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1255 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1256 supports R_386_TLS_GD_PLT reloc.
1257 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1258 supports R_386_TLS_LDM_PLT reloc.
1259 * configure: Regenerate.
1260 * config.in: Regenerate.
1262 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1265 Extend __pgmx semantics to linearize memory.
1266 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1267 determine if code comes inline or from libgcc.
1268 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1269 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1270 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1271 (movmemx_qi, movmemx_hi): New insns.
1272 (xload_<mode>_libgcc): Rewrite to new insn condition.
1273 (xload_<mode>): Remove insns.
1274 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1275 cases that don't satisfy avr_xload_libgcc_p().
1276 (avr_addr_space_convert): Allow converting in any direction.
1277 (avr_addr_space_subset_p): Return always true.
1278 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1279 (avr_emit_movmemhi): Ditto.
1280 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1281 (avr_out_movmem): Ditto.
1282 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1283 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1284 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1285 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1286 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1288 2012-01-10 Richard Guenther <rguenther@suse.de>
1290 PR tree-optimization/50913
1291 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1292 Require data-refs to be representable by Graphite with respect
1295 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1297 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1298 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1300 2012-01-10 Tom de Vries <tom@codesourcery.com>
1302 PR rtl-optimization/51271
1303 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1304 handling annulled branch.
1306 2012-01-10 Richard Henderson <rth@redhat.com>
1308 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1309 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1310 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1311 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1312 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1313 arm_expand_vec_perm_const): New.
1314 * config/arm/arm-protos.h: Update.
1315 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1316 (*neon_vswp<VDQX>): New.
1317 (neon_vcombine<VDX>): Use neon_split_vcombine.
1318 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1319 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1320 (vec_perm<VE>): New.
1322 2012-01-10 Richard Henderson <rth@redhat.com>
1324 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1325 use it if reload_completed.
1326 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1327 arm_output_asm_insn, arm_process_output_memory_barrier,
1328 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1329 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1330 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1331 arm_process_output_sync_insn, arm_output_sync_insn,
1332 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1333 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1334 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1335 (emit_unlikely_jump): New.
1336 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1337 (arm_split_atomic_op): New.
1338 * config/arm/arm-protos.h: Update.
1339 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1340 (struct arm_sync_generator): Remove.
1341 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1342 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1343 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1344 (VUNSPEC_LL, VUNSPEC_SC): New.
1345 (sync_result, sync_memory, sync_required_value, sync_new_value,
1346 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1347 (attr length): Don't use arm_sync_loop_insns.
1348 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1349 (movsfcc, movdfcc): Likewise.
1350 * config/arm/constraints.md (Ua): New.
1351 * config/arm/prediates.md (mem_noofs_operand): New.
1352 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1353 (sync_clobber, sync_t2_reqd): Remove.
1354 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1355 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1356 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1357 (arm_sync_compare_and_swap<SIDI>): Remove.
1358 (arm_sync_compare_and_swap<NARROW>): Remove.
1359 (arm_sync_lock_test_and_set<SIDI>): Remove.
1360 (arm_sync_lock_test_and_set<NARROW>): Remove.
1361 (arm_sync_new_<syncop><SIDI>): Remove.
1362 (arm_sync_new_<syncop><NARROW>): Remove.
1363 (arm_sync_new_nand<SIDI>): Remove.
1364 (arm_sync_new_nand<NARROW>): Remove.
1365 (arm_sync_old_<syncop><SIDI>): Remove.
1366 (arm_sync_old_<syncop><NARROW>): Remove.
1367 (arm_sync_old_nand<SIDI>): Remove.
1368 (arm_sync_old_nand<NARROW>): Remove.
1369 (*memory_barrier): Merge arm_output_memory_barrier.
1370 (atomic_compare_and_swap<QHSD>): New.
1371 (atomic_compare_and_swap<NARROW>_1): New.
1372 (atomic_compare_and_swap<SIDI>_1): New.
1373 (atomic_exchange<QHSD>): New.
1374 (cas_cmp_operand, cas_cmp_str): New.
1375 (atomic_op_operand, atomic_op_str): New.
1376 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1377 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1378 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1379 (arm_load_exclusive<NARROW>): New.
1380 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1381 (arm_store_exclusive<QHSD>): New.
1383 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1385 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1386 reload patterns if -mvsx-scalar-memory.
1388 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1389 generated, even -mno-vsx-scalar-double was used.
1390 (vsx_xscvdpsp_scalar): Likewise.
1391 (vsx_xscvspdp_scalar2): Likewise.
1393 2012-01-09 Tom de Vries <tom@codesourcery.com>
1394 Andrew Pinski <apinski@cavium.com>
1397 * reorg.c (fill_slots_from_thread): Don't speculate
1398 frame-related insns.
1400 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1402 * sched-int.h (bb_note): Move to...
1403 * basic-block.h: ...here.
1404 * haifa-sched.c (bb_note): Move to...
1405 * cfgrtl.c: ...here.
1406 * function.c (next_block_for_reg): New function.
1407 (move_insn_for_shrink_wrap): Likewise.
1408 (prepare_shrink_wrap): Rewrite to use the above.
1410 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1412 * gimple.c (is_gimple_non_addressable): Remove.
1413 * gimple.h: Remove is_gimple_non_addressable.
1414 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1415 is_gimple_non_addressable.
1416 * trans-mem.c (expand_assign_tm): Same.
1418 2012-01-09 Richard Guenther <rguenther@suse.de>
1420 PR tree-optimization/51775
1421 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1422 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1424 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1426 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1428 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1430 2012-01-09 Richard Guenther <rguenther@suse.de>
1432 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1434 2012-01-08 Jan Hubicka <jh@suse.cz>
1436 PR tree-optimize/51680
1437 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1438 on when known_vals needs to be computed; cleanup.
1440 2012-01-08 Jan Hubicka <jh@suse.cz>
1442 PR tree-optimize/51694
1443 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1445 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1447 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1448 for -std=c++98 and -std=c++11 too.
1450 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1452 * cfgloop.c (cancel_loop): Add free() of bbs array.
1454 2012-01-07 Jan Hubicka <jh@suse.cz>
1456 PR tree-optimization/51600
1457 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1458 that benefits small functions.
1460 2012-01-07 Jan Hubicka <jh@suse.cz>
1462 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1464 2012-01-07 Jan Hubicka <jh@suse.cz>
1466 PR tree-optimization/51680
1467 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1468 whose inlining reduce unit size.
1470 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1473 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1474 Add canonical node to containing_mem chain after the non-canonical
1475 one, even if there weren't any locs to propagate.
1476 (remove_useless_values): Keep only canonical values.
1477 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1478 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1479 canonicalize mem_chain elements that are not discarded.
1481 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1484 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1485 before emitting functions.
1487 PR gcov-profile/50127
1488 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1489 clear_aux_for_blocks.
1491 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1494 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1496 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1498 * c-decl.c (ext_block): Moved up.
1499 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1501 2012-01-06 Han Shen <shenhan@google.com>
1503 Translate built-in include paths for sysroot.
1504 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1505 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1507 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1508 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1510 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1511 control whether sysroot should be prepended to gxx include dir.
1513 * configure: Regenerate.
1515 2012-01-06 Torvald Riegel <triegel@redhat.com>
1517 PR rtl-optimization/51771
1518 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1519 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1521 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1523 PR tree-optimization/51315
1524 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1525 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1527 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1530 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1531 for shrp pattern. Correctly handle and fixup shift variable.
1532 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1534 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1537 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1538 note when !ACCUMULATE_OUTGOING_ARGS.
1540 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1542 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1544 (extract_range_from_unary_expr_1): Avoid useless computations.
1546 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1548 PR rtl-optimization/51767
1549 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1550 of jump_block and add an extra edge for degenerated asm gotos.
1553 * stmt.c (check_unique_operand_names): Don't ICE during error
1554 reporting if i is from labels chain.
1557 * profile.c (branch_prob): Split bbs that have exit edge
1558 and need a fake entry edge too.
1560 2012-01-05 Jan Hubicka <jh@suse.cz>
1563 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1566 2012-01-05 Richard Guenther <rguenther@suse.de>
1569 * tree-streamer-out.c (write_ts_optimization): New function.
1570 (streamer_write_tree_body): Call it.
1571 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1572 (streamer_read_tree_body): Call it.
1573 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1575 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1578 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1579 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1580 in_cleanup_point_expr before gimplify_stmt call and restore it
1582 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1583 in_cleanup_point_expr is false.
1585 2012-01-05 Richard Guenther <rguenther@suse.de>
1588 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1590 * toplev.c (process_options): Reject combining mudflap and LTO.
1591 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1593 2012-01-05 Richard Guenther <rguenther@suse.de>
1595 PR tree-optimization/51760
1596 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1598 (bit_value_unop): Handle UNDEFINED operands.
1599 (bit_value_binop): Likewise.
1601 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1603 * config/avr/avr.c (avr_replace_prefix): Remove.
1604 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1605 (avr_asm_function_rodata_section): Ditto.
1606 (avr_asm_select_section): Ditto.
1608 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1610 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1613 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1616 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1617 calls that have any non-fake successor edges.
1620 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1622 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1624 PR tree-optimization/51624
1625 * tree-sra.c (build_ref_for_model): When replicating a chain of
1626 COMPONENT_REFs, stop as soon as the offset would become negative.
1628 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1631 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1632 in .debug_loc on the floor.
1634 2012-01-04 Andrew Pinski <apinski@cavium.com>
1636 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1638 2012-01-04 Andrew Pinski <apinski@cavium.com>
1639 Adam Nemet <anemet@caviumnetworks.com>
1641 * config/mips/mips.md (size): Add SI and DI.
1642 (SIZE): New mode attribute.
1643 (U): New code attribute.
1644 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1645 (mips_lbux_<mode>): Delete.
1646 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1647 (mips_lhx): Use gen_mips_lhx_extsi.
1648 (mips_lhx_<mode>): Delete.
1650 (mips_l<size>x): New expand.
1651 (mips_lwx_<mode>): Delete.
1652 (mips_l<GPR:size>x_<P:mode>): New pattern.
1653 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1654 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1655 * config/mips/mips.c (mips_lx_address_p): New function.
1656 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1657 (dsp64): New availability predicate.
1658 (mips_builtins): Add an entry for __builtin_mips_ldx.
1659 * config/mips/mips.h (ISA_HAS_LBX): New define.
1660 (ISA_HAS_LBUX): Likewise.
1661 (ISA_HAS_LHX): Likewise.
1662 (ISA_HAS_LHUX): Likewise.
1663 (ISA_HAS_LWX): Likewise.
1664 (ISA_HAS_LWUX): Likewise.
1665 (ISA_HAS_LDX): Likewise.
1666 * doc/extend.texi (__builtin_mips_ldx): Document.
1668 2012-01-04 Tristan Gingold <gingold@adacore.com>
1670 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1671 when long pointers are used.
1672 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1673 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1674 (ia64-hp-*vms*): Remove.
1675 * config/vms/xm-vms64.h: Delete.
1677 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1680 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1682 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1684 * opts.c (finish_options): Remove duplicate sorry.
1686 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1689 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1692 2012-01-04 Richard Guenther <rguenther@suse.de>
1695 * tree.c (size_low_cst): New function.
1696 * tree.h (size_low_cst): Declare.
1697 * fold-const.c (fold_comparison): Use it to extract the low
1698 part of the POINTER_PLUS_EXPR offset.
1700 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1702 Fix clearing ZERO_REG
1703 * config/avr/avr.md (cc): Add alternative "ldi".
1704 (movqi_insn): Use it in cc attribute.
1705 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1706 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1707 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1709 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1711 * configure: Regenerate.
1713 2012-01-04 Richard Guenther <rguenther@suse.de>
1715 PR tree-optimization/49651
1716 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1717 (var_can_have_subvars): Use it.
1718 (get_constraint_for_1): Only consider subfields if there can be any.
1720 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1723 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1724 to its new canonical_cselib_val and the cselib_val was in
1725 first_containing_mem chain, but the canonical_cselib_val was not,
1726 add the latter into the chain.
1727 (cselib_invalidate_mem): Compare canonical_cselib_val of
1728 addr_list chain elt with v.
1731 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1732 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1734 (output_macinfo_op): Don't ggc_strdup fd->filename.
1735 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1736 then ggc_strdup it. Don't free inc->info or cur->info.
1737 (output_macinfo): Don't free ref->info or file->info.
1739 2012-01-03 Ira Rosen <irar@il.ibm.com>
1741 PR tree-optimization/51269
1742 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1743 first_niters a pointer.
1744 (slpeel_tree_peel_loop_to_edge): Likewise.
1745 (vect_do_peeling_for_loop_bound): Update call to
1746 slpeel_tree_peel_loop_to_edge.
1747 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1748 here. Remove it from the parameters list.
1749 (vect_do_peeling_for_alignment): Update calls and compute
1752 2012-01-03 Richard Guenther <rguenther@suse.de>
1754 PR tree-optimization/51070
1755 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1756 Properly handle calls.
1758 2012-01-03 Richard Guenther <rguenther@suse.de>
1760 PR tree-optimization/51692
1761 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1762 the LHS of allocation stmts.
1764 2012-01-03 Olivier Hainque <hainque@adacore.com>
1766 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1768 2012-01-03 Olivier Hainque <hainque@adacore.com>
1770 * collect2.c (main): In AIX specific computations for vector
1771 insertions, use CONST_CAST2 to cast from char ** to const char **.
1773 2012-01-03 Richard Guenther <rguenther@suse.de>
1776 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1777 the context of a limbo DIE when it does not already exist.
1779 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1781 PR tree-optimization/51719
1782 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1783 but direct call is, clear direct call's lhs and don't add fallthrough
1784 edge from dcall_bb to join_bb and PHIs.
1786 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1788 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1789 the instructions emitted by the pattern.
1790 ("*TDC_insn_<mode>"): Add comment.
1792 2012-01-03 Richard Guenther <rguenther@suse.de>
1795 * fold-const.c (fold_comparison): Properly canonicalize
1796 tree offset and HOST_WIDE_INT bit position.
1798 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1800 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1801 operands for extzv pattern.
1803 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1806 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1809 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1811 * doc/invoke.texi (-flto and related options): Copy-edit.
1813 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1815 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1817 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1819 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1822 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1824 * expr.h (move_by_pieces_ninsns): Declare.
1825 * expr.c (move_by_pieces_ninsns): Make external.
1826 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1827 (mips_store_by_pieces_p): Likewise.
1828 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1829 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1830 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1831 (mips_store_by_pieces_p): Likewise.
1833 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1835 * passes.c (register_one_dump_file): Free full_name.
1837 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1838 (calculate_elim_costs_all_insns): Free offsets_at and
1839 offsets_known_at at the end and clear the pointers.
1841 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1843 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1844 this option introduced in r180739.
1846 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1849 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1850 (tmake_file target=avr): Add avr/t-multilib.
1852 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1853 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1854 * config/avr/genmultilib.awk: New file.
1855 * config/avr/t-multilib: New auto-generated file.
1856 * config/avr/multilib.h: New auto-generated file.
1857 * config/avr/t-avr (AVR_MCUS): New variable.
1858 (genopt.sh): Use it.
1859 (s-mlib): Depend on t-multilib.
1860 (t-multilib, multilib.h): New dependencies.
1861 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1862 (MULTILIB_OPTIONS): Remove.
1863 (MULTILIB_MATCHES): Remove.
1864 (MULTILIB_DIRNAMES): Remove.
1865 (MULTILIB_EXCEPTIONS): Remove:
1866 * config/avr/genopt.sh: Don't use hard coded file name;
1867 pass AVR_MCUS from t-avr instead.
1869 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1871 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1873 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1875 Implement light-weight DImode support.
1876 * config/avr/avr-dimode.md: New file.
1877 * config/avr/avr.md: Include it.
1878 (adjust_len): Add plus64, compare64.
1879 (HIDI): Remove code iterator.
1880 (code_stdname): New code attribute.
1881 (rotx, rotsmode): Remove DI.
1882 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1884 * config/avr/avr-protos.h (avr_have_dimode): New.
1885 (avr_out_plus64, avr_out_compare64): New.
1886 * config/avr/avr.c (avr_out_compare): Handle DImode.
1887 (avr_have_dimode): New variable definition and initialization.
1888 (avr_out_compare64, avr_out_plus64): New functions.
1889 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1890 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1891 (avr_compare_pattern): Skip DImode comparisons.
1893 2012-01-02 Revital Eres <revital.eres@linaro.org>
1895 * ddg.c (def_has_ccmode_p): New function.
1896 (add_cross_iteration_register_deps,
1897 create_ddg_dep_from_intra_loop_link): Call it.
1899 2012-01-02 Richard Guenther <rguenther@suse.de>
1902 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1904 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1906 * gcc.c (process_command): Update copyright notice dates.
1907 * gcov.c (print_version): Likewise.
1908 * gcov-dump.c (print_version): Likewise.
1909 * mips-tfile.c (main): Likewise.
1910 * mips-tdump.c (main): Likewise.
1912 2012-01-01 Ira Rosen <irar@il.ibm.com>
1914 PR tree-optimization/51704
1915 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1916 a use is inside the basic block or loop before accessing its vect info.
1918 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1920 PR rtl-optimization/51069
1921 * cfgloopmanip.c (remove_path): Removing path making irreducible
1922 region unconditional makes BB part of the region.
1924 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1926 PR tree-optimization/51683
1927 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1928 calls with side-effects.
1929 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1931 Copyright (C) 2012 Free Software Foundation, Inc.
1933 Copying and distribution of this file, with or without modification,
1934 are permitted in any medium without royalty provided the copyright
1935 notice and this notice are preserved.