1 2012-01-23 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/51895
4 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
5 parameter decomposition into BLKmode components.
7 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
9 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
10 fake variables for restrict-qualified pointers whose pointed-to type
11 contains a placeholder.
13 2012-01-23 Richard Guenther <rguenther@suse.de>
15 PR tree-optimization/51949
16 * ipa-split.c (execute_split_functions): Do not split malloc
19 2012-01-23 Jakub Jelinek <jakub@redhat.com>
21 PR rtl-optimization/51933
22 * ree.c (transform_ifelse): Return true right away if dstreg is
23 already wider or equal to cand->mode.
24 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
25 (make_defs_and_copies_lists): Remove defs_list and copies_list
26 arguments, add state argument, just truncate state->work_list
27 instead of always allocating and freeing the vector. Assert that
28 get_defs succeeds instead of returning 2. Changed return type to
30 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
31 have ext_src_mode, see if it has been modified already with the
32 right kind of extension and has been extended before from the
33 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
34 just return true. Remember the original mode in state->modified
36 (combine_reaching_defs): Add state argument. Don't allocate and
37 free here def_list, copied_list and vec vectors, instead just
38 VEC_truncate the vectors in *state. Don't handle outcome == 2
40 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
41 Add state variable, clear vectors in it, initialize state.modified
42 if needed. Free all the vectors at the end and state.modified too.
43 Don't skip a candidate if the extension expression has been modified.
45 2012-01-22 Douglas B Rupp <rupp@gnat.com>
48 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
49 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
50 (extra_options) interix.opt -> i386/interix.opt"
51 (extra_objs):Add winnt-stubs.o
52 * configure.ac: Add interix to target_os .comm on PE check.
53 * configure: Regenerate.
54 * config/interix3.h: Delete and move bits to..
55 * config/interix.h: Delete and move bits to..
56 * config/i386/i386-interix3.h: Delete and move bits to..
57 * config/i386/i386-interix.h: ..here.
58 (TARGET_CPU_DEFAULT): Remove redefinition.
59 (TARGET_ASM_CONSTRUCTOR): Undefine.
60 (SUBTARGET_SWITCHES): Define for ms-bitfields.
61 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
62 (PTRDIFF_TYPE): Define.
63 (LONG_DOUBLE_TYPE_SIZE): Define.
64 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
65 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
66 (TARGET_SECTION_TYPE_FLAGS): Define.
67 (ASM_DECLARE_FUNCTION_NAME): Define.
68 (ASM_OUTPUT_EXTERNAL): Define.
69 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
70 (ASM_OUTPUT_ALIGNED_BSS): Define.
71 (PCC_BITFIELD_TYPE_MATTERS): Define.
72 (USE_CONST_SECTION): Define.
73 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
74 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
75 (SUPPORTS_ONE_ONLY): Remove.
76 (I386_PE_STRIP_ENCODING): Define.
77 * config/interix.opt: Delete and move bits to..
78 * config/i386/interix.opt: ..here. New.
79 (mpe-aligned-commons): Add.
80 * config/i386/t-interix: Add copyright header.
81 (winnt-stubs.o): Add rule.
83 2012-01-22 Jason Merrill <jason@redhat.com>
86 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
87 for extra name aliases.
89 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
91 PR rtl-optimization/51924
92 * ree.c (combine_set_extension): Improve debugging message.
93 (combine_reaching_defs): Likewise.
94 (get_defs): Rename confusingly named variable.
95 (find_and_remove_re): Skip a candidate if the extension expression has
98 2012-01-21 Robert Millan <rmh@gnu.org>
99 Gerald Pfeifer <gerald@pfeifer.com>
101 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
102 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
104 2012-01-20 Jakub Jelinek <jakub@redhat.com>
106 PR tree-optimization/51914
107 * tree-vect-stmts.c (vectorizable_conversion): For
108 cvt_type && modifier == WIDEN, put temporary with cvt_type
109 at the beginning of vec_dsts and set vec_dest to temporary
112 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
114 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
116 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
118 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
119 * config/rs6000/rs6000.c: Likewise.
121 2012-01-20 Jakub Jelinek <jakub@redhat.com>
124 * config/arm/arm.c (arm_count_output_move_double_insns): Call
125 output_move_double on a copy of operands array.
127 2012-01-20 Cary Coutant <ccoutant@google.com>
128 Dodji Seketeli <dodji@redhat.com>
131 * dwarf2out.c (copy_declaration_context): Return ref to parent
132 of declaration DIE, if necessary.
133 (remove_child_or_replace_with_skeleton): Add new parameter; update
134 caller. Place skeleton DIE under parent DIE of original declaration.
135 Move call to copy_declaration_context to here ...
136 (break_out_comdat_types): ... from here.
138 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
140 PR rtl-optimization/51856
141 * reload.c (find_reloads_subreg_address): Set the address_reloaded
144 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
147 * config/arm/arm.c (arm_print_operand): Correct output of alignment
148 hints for neon loads and stores.
150 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
154 * doc/extend.texi (Named Address Spaces): Split into subsections.
155 (AVR Named Address Spaces): New subsection.
156 (M32C Named Address Spaces): New subsection.
157 (RL78 Named Address Spaces): New subsection.
158 (SPU Named Address Spaces): New subsection.
159 (Variable Attributes): New anchor "AVR Variable Attributes".
160 (AVR Variable Attributes): Rewrite and avoid wording
161 "address space" in this context.
162 * doc/invoke.texi (AVR Options): Rewrite and add documentation
163 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
164 (AVR Built-in Macros): New subsubsection therein.
165 * doc/md.texi (AVR constraints): Remove "C04", "R".
167 2012-01-20 Richard Guenther <rguenther@suse.de>
169 PR tree-optimization/51903
170 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
173 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
176 * config/arm/arm.c (arm_load_pic_register): Use
177 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
178 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
179 (arm_pic_static_addr): Likewise.
180 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
181 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
182 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
183 (pic_load_addr_unified): New.
185 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
188 * function.c (instantiate_virtual_regs_in_insn): Use
189 delete_insn_and_edges when removing a wrong asm insn.
191 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
193 PR rtl-optimization/40761
194 * ira-int.h (struct ira_loop_tree_node): Add comment for member
195 loop. Add new member loop_num.
196 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
197 (ira_build): Remove the parameter.
199 * ira.c (ira_print_disposition): Use loop_num instead of
201 (ira.c): Do not build CFG loops for one region allocation. Remove
202 argument from ira_build call.
204 * ira-build.c (init_loop_tree_node): New function.
205 (create_loop_tree_nodes): Use it. Separate the case when CFG
207 (more_one_region_p): Check current_loops.
208 (finish_loop_tree_nodes): Separate the case when CFG loops are not
210 (add_loop_to_tree): Process loop equal to NULL too.
211 (form_loop_tree): Separate the case when CFG loops are not built.
212 Use explicitly number for the root.
213 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
215 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
216 instead of loop->num.
217 (mark_loops_for_removal): Ditto. Use loop_num instead of
219 (mark_all_loops_for_removal): Ditto.
220 (remove_unnecessary_regions): Separate the case when CFG loops
222 (ira_build): Remove the parameter. Use explicit number of regions
223 when CFG loops are not built.
225 * ira-color.c (print_loop_title): Separate the case for the root
226 node. Use loop_num instead of loop->num.
227 (move_spill_restore): Use loop_num instead of loop->num.
229 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
230 (change_loop): Ditto.
231 (change_loop): Use loop_num instead of loop->num.
233 * ira-lives.c (process_bb_node_lives): Ditto.
235 * ira-costs.c (print_allocno_costs, find_costs_and_classes):
238 * ira-conflicts.c (print_allocno_conflicts): Ditto.
240 2012-01-19 Jakub Jelinek <jakub@redhat.com>
243 * tree-mudflap.c (mf_artificial): New function.
244 (execute_mudflap_function_ops, execute_mudflap_function_decls,
245 mx_register_decls, mudflap_enqueue_decl): Use it.
248 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
249 numbers in the insn pattern.
251 2012-01-19 Michael Matz <matz@suse.de>
253 PR tree-optimization/46590
254 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
255 use it in remembering which conflicts we already created.
256 (add_scope_conflicts): Adjust call to above, (de)allocate helper
259 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
262 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
263 (merge_and_complain): Same.
265 2012-01-19 Jakub Jelinek <jakub@redhat.com>
268 * config/initfini-array.h: Guard content of the header
269 with #ifdef HAVE_INITFINI_ARRAY.
270 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
271 Add initfini-array.h to tm_file here.
272 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker
274 * config.gcc: Don't add initfini-array.h to tm_file here.
275 * configure: Regenerated.
277 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
279 PR rtl-optimization/51505
280 * df-problems.c (df_kill_notes): New parameter live. Update comment.
281 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
282 (df_note_bb_compute): Update the call to df_kill_notes.
284 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
286 * trans-mem.c (requires_barrier): Remove call to is_global_var.
288 2012-01-18 Richard Guenther <rguenther@suse.de>
290 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
291 of conversions to void *.
293 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
294 Richard Sandiford <rdsandiford@googlemail.com>
298 * optabs.h (simplify_expand_binop): Declare.
299 * optabs.c (simplify_expand_binop): Make global.
300 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
301 endian targets if the source cannot be exactly covered by word
304 2012-01-17 Jakub Jelinek <jakub@redhat.com>
307 * hard-reg-set.h (struct hard_reg_set_container): New type.
308 * target.h (struct hard_reg_set_container): Forward declare.
309 * target.def (set_up_by_prologue): New target hook.
310 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
311 * doc/tm.texi: Regenerated.
312 * function.c (thread_prologue_and_epilogue_insns): Change
313 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
314 Call targetm.set_up_by_prologue on it.
315 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
316 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
318 2012-01-17 Nick Clifton <nickc@redhat.com>
320 * config/rx/rx.c (rx_can_use_simple_return): New function.
321 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
322 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
324 2012-01-17 Richard Guenther <rguenther@suse.de>
327 * expr.c (expand_assignment): Take address-space information
328 from the address operand of MEM_REF and TARGET_MEM_REF.
329 (expand_expr_real_1): Likewise.
331 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
333 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
334 reload dump is requested.
336 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
339 * trans-mem.c (requires_barrier): Call may_be_aliased.
341 2012-01-17 Jakub Jelinek <jakub@redhat.com>
343 PR tree-optimization/51877
344 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
345 call arguments and fndecls compare equal, instead return false if they
346 don't. Return true only if lhs1 and lhs2 are either both NULL, or
347 both SSA_NAMEs that are valueized the same, or they satisfy
350 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
352 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
354 * configure: Regenerate.
356 2012-01-16 Jan Hubicka <jh@suse.cz>
360 * convert.c (convert_to_integer): Use fold_convert for
361 converting an INTEGER_CST to integer type.
363 2012-01-16 Jason Merrill <jason@redhat.com>
366 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
368 2012-01-16 Jakub Jelinek <jakub@redhat.com>
371 * config/s390/s390.c (s390_chunkify_start): Don't skip
372 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
373 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
374 If insn is followed by NOTE_INSN_VAR_LOCATION or
375 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
376 Don't use location of note insns.
378 PR tree-optimization/51865
379 * tree-inline.c (tree_function_versioning): Call remap_decl
380 on DECL_RESULT whenever it has VOID_TYPE_P type.
382 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
384 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
385 for calls to locally-binding MIPS16 functions if only the return
386 type uses float regs.
388 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
389 Richard Sandiford <rdsandiford@googlemail.com>
391 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
392 (SYMBOL_32_HIGH): Likewise.
393 (mips_output_tls_reloc_directive): Declare.
394 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
395 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
396 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
397 (mips_lo_relocs, mips_hi_relocs): Make extern.
398 (mips16_stub_function): Move up file.
399 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
400 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
401 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
402 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead
403 of SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1
405 (mips_get_tp): Add MIPS16 support.
406 (mips_legitimize_tls_address): Remove MIPS16 sorry().
407 Generalize DTPREL and TPREL handling.
408 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
409 Add MIPS16 TLS support.
410 (mips_output_tls_reloc_directive): New function.
411 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
412 * config/mips/predicates.md (symbolic_operand_with_high)
413 (tls_reloc_operand): New predicates.
414 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
415 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
416 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
417 (*unshifted_high): New instruction. Use it for MIPS16
419 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
420 (*tls_get_tp_mips16_call_<mode>): Likewise.
422 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
424 PR rtl-optimization/51821
425 * recog.c (peep2_find_free_register): Determine clobbered registers
428 2012-01-14 Denis Chertykov <chertykov@gmail.com>
431 * config/avr/avr-protos.h: Revert change of 2012-01-09.
432 * config/avr/avr.c: Likewise.
433 * config/avr/avr.h: Likewise.
435 2012-01-13 Ian Lance Taylor <iant@google.com>
438 * tree.h (TYPE_QUALS): Add cast to int.
439 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
441 2012-01-13 Ian Lance Taylor <iant@google.com>
443 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
444 comparing param_index to VEC_length result.
446 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
448 * c-decl.c: Do not include tree-mudflap.h
449 * tree-optimize.c: Likewise.
450 * Makefile.in: Update dependencies.
452 2012-01-13 Richard Guenther <rguenther@suse.de>
455 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
456 variable-sized result always use RSO.
458 2012-01-12 DJ Delorie <dj@redhat.com>
460 * cfgexpand.c (convert_debug_memory_address): Allow any valid
461 pointer type, not just the default pointer type.
463 2012-01-09 Richard Henderson <rth@redhat.com>
464 Denis Chertykov <chertykov@gmail.com>
467 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
468 * config/avr/avr.c (avr_can_eliminate): Simplify.
469 (avr_initial_elimination_offset): Likewise.
470 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
471 (expand_epilogue): Likewise.
472 (avr_legitimize_address): Gut.
473 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
474 (avr_hard_regno_nregs): New.
475 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
476 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
477 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
478 add soft frame pointer.
479 (CALL_USED_REGISTERS): Likewise.
480 (REG_CLASS_CONTENTS): Likewise.
481 (REGISTER_NAMES): Likewise.
482 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
483 (HARD_FRAME_POINTER_REGNUM): New.
484 (FRAME_POINTER_REGNUM): Use soft frame pointer.
485 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
486 remove the HARD_FRAME_POINTER self-elimination.
488 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
491 * config/avr/avr.c (avr_encode_section_info): Test for absence of
492 DECL_EXTERNAL when checking for initializers of progmem variables.
494 2012-01-12 Ira Rosen <irar@il.ibm.com>
496 PR tree-optimization/51799
497 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
498 that the last operation is a type demotion.
500 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
502 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
503 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
505 2012-01-11 Jakub Jelinek <jakub@redhat.com>
508 * combine.c (distribute_notes): If i3 is a noreturn call,
509 allow old_size to be equal to args_size and make sure the
510 noreturn call gets REG_ARGS_SIZE note.
511 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
512 on noreturn calls even when the delta is 0.
514 2012-01-11 Nathan Sidwell <nathan@acm.org>
516 * gcov.c (STRING_SIZE): Remove.
517 (generate_results): Erase annotations for source files with no
518 coverage information.
520 (output_lines): Use it.
522 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
524 * gimple.h (gimplify_body): Remove first argument.
525 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
526 pointer set here, instead just pass DATA to walk_tree.
527 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
528 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
529 (unvisit_body): Likewise, but with unmark_visited.
530 (gimplify_body): Remove BODY_P argument and adjust.
531 (gimplify_function_tree): Adjust call to gimplify_body.
532 * omp-low.c (finalize_task_copyfn): Likewise.
534 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
536 * tree.h (build_function_decl_skip_args): Add boolean parameter.
537 (build_function_type_skip_args): Delete.
538 * tree.c (build_function_type_skip_args): Make static and add
539 SKIP_RETURN parameter. Fix thinko in the handling of variants.
540 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
541 pass it to build_function_type_skip_args.
542 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
543 (tree_function_versioning): Likewise.
544 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
545 build_function_decl_skip_args.
546 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
547 and pass it to build_function_decl_skip_args/tree_function_versioning.
548 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
549 * ipa-inline-transform.c (save_inline_function_body): Likewise.
550 * trans-mem.c (ipa_tm_create_version): Likewise.
551 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
552 * tree-inline.c (declare_return_variable): Remove always-true test.
553 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
554 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
555 * ipa-split.c (split_function): Skip the return value for the split
556 part if it doesn't return.
558 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
560 PR tree-optimization/49642
561 * ipa-split.c (forbidden_dominators): New variable.
562 (check_forbidden_calls): New function.
563 (dominated_by_forbidden): Likewise.
564 (consider_split): Check for forbidden dominators.
565 (execute_split_functions): Initialize and free forbidden
566 dominators info; call check_forbidden_calls.
568 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
570 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
572 2012-01-11 Nick Clifton <nickc@redhat.com>
574 * config/rx/rx.md (return): Define pattern.
576 2012-01-11 Richard Guenther <rguenther@suse.de>
578 * doc/extend.texi (malloc attribute): Adjust according to
581 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
582 Patrick Marlier <patrick.marlier@gmail.com>
585 * trans-mem.c (get_cg_data): Traverse aliases if requested.
586 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
587 (ipa_tm_note_irrevocable): Same.
588 (ipa_tm_scan_irr_block): Same.
589 (ipa_tm_decrement_clone_counts): Same.
590 (ipa_tm_scan_irr_function): Same.
591 (ipa_tm_create_version_alias): Same.
592 (ipa_tm_create_version): Same.
593 (ipa_tm_transform_calls_redirect): Same.
594 (ipa_tm_transform_calls): Same.
595 (ipa_tm_transform_transaction): Same.
596 (ipa_tm_execute): Same.
598 2012-01-10 Richard Guenther <rguenther@suse.de>
601 * opts.c (common_handle_option): Handle -Werror.
603 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
605 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
608 2012-01-10 Jason Merrill <jason@redhat.com>
610 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
613 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
615 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
616 supports R_386_TLS_GD_PLT reloc.
617 (gcc_cv_as_ix86_tlsldmplt): Check if linker
618 supports R_386_TLS_LDM_PLT reloc.
619 * configure: Regenerate.
620 * config.in: Regenerate.
622 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
625 Extend __pgmx semantics to linearize memory.
626 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
627 determine if code comes inline or from libgcc.
628 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
629 (movmem_qi, movmem_qi): Set constraint #2 to "n".
630 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
631 (movmemx_qi, movmemx_hi): New insns.
632 (xload_<mode>_libgcc): Rewrite to new insn condition.
633 (xload_<mode>): Remove insns.
634 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
635 cases that don't satisfy avr_xload_libgcc_p().
636 (avr_addr_space_convert): Allow converting in any direction.
637 (avr_addr_space_subset_p): Return always true.
638 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
639 (avr_emit_movmemhi): Ditto.
640 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
641 (avr_out_movmem): Ditto.
642 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
643 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
644 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
645 (avr_encode_section_info): Encode 'progmem' in symbol flags.
646 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
648 2012-01-10 Richard Guenther <rguenther@suse.de>
650 PR tree-optimization/50913
651 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
652 Require data-refs to be representable by Graphite with respect
655 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
657 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
658 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
660 2012-01-10 Tom de Vries <tom@codesourcery.com>
662 PR rtl-optimization/51271
663 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
664 handling annulled branch.
666 2012-01-10 Richard Henderson <rth@redhat.com>
668 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
669 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
670 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
671 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
672 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
673 arm_expand_vec_perm_const): New.
674 * config/arm/arm-protos.h: Update.
675 * config/arm/neon.md (UNSPEC_VCONCAT): New.
676 (*neon_vswp<VDQX>): New.
677 (neon_vcombine<VDX>): Use neon_split_vcombine.
678 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
679 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
682 2012-01-10 Richard Henderson <rth@redhat.com>
684 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
685 use it if reload_completed.
686 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
687 arm_output_asm_insn, arm_process_output_memory_barrier,
688 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
689 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
690 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
691 arm_process_output_sync_insn, arm_output_sync_insn,
692 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
693 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
694 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
695 (emit_unlikely_jump): New.
696 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
697 (arm_split_atomic_op): New.
698 * config/arm/arm-protos.h: Update.
699 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
700 (struct arm_sync_generator): Remove.
701 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
702 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
703 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
704 (VUNSPEC_LL, VUNSPEC_SC): New.
705 (sync_result, sync_memory, sync_required_value, sync_new_value,
706 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
707 (attr length): Don't use arm_sync_loop_insns.
708 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
709 (movsfcc, movdfcc): Likewise.
710 * config/arm/constraints.md (Ua): New.
711 * config/arm/prediates.md (mem_noofs_operand): New.
712 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
713 (sync_clobber, sync_t2_reqd): Remove.
714 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
715 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
716 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
717 (arm_sync_compare_and_swap<SIDI>): Remove.
718 (arm_sync_compare_and_swap<NARROW>): Remove.
719 (arm_sync_lock_test_and_set<SIDI>): Remove.
720 (arm_sync_lock_test_and_set<NARROW>): Remove.
721 (arm_sync_new_<syncop><SIDI>): Remove.
722 (arm_sync_new_<syncop><NARROW>): Remove.
723 (arm_sync_new_nand<SIDI>): Remove.
724 (arm_sync_new_nand<NARROW>): Remove.
725 (arm_sync_old_<syncop><SIDI>): Remove.
726 (arm_sync_old_<syncop><NARROW>): Remove.
727 (arm_sync_old_nand<SIDI>): Remove.
728 (arm_sync_old_nand<NARROW>): Remove.
729 (*memory_barrier): Merge arm_output_memory_barrier.
730 (atomic_compare_and_swap<QHSD>): New.
731 (atomic_compare_and_swap<NARROW>_1): New.
732 (atomic_compare_and_swap<SIDI>_1): New.
733 (atomic_exchange<QHSD>): New.
734 (cas_cmp_operand, cas_cmp_str): New.
735 (atomic_op_operand, atomic_op_str): New.
736 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
737 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
738 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
739 (arm_load_exclusive<NARROW>): New.
740 (arm_load_exclusivesi, arm_load_exclusivedi): New.
741 (arm_store_exclusive<QHSD>): New.
743 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
745 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
746 reload patterns if -mvsx-scalar-memory.
748 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
749 generated, even -mno-vsx-scalar-double was used.
750 (vsx_xscvdpsp_scalar): Likewise.
751 (vsx_xscvspdp_scalar2): Likewise.
753 2012-01-09 Tom de Vries <tom@codesourcery.com>
754 Andrew Pinski <apinski@cavium.com>
757 * reorg.c (fill_slots_from_thread): Don't speculate
760 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
762 * sched-int.h (bb_note): Move to...
763 * basic-block.h: ...here.
764 * haifa-sched.c (bb_note): Move to...
766 * function.c (next_block_for_reg): New function.
767 (move_insn_for_shrink_wrap): Likewise.
768 (prepare_shrink_wrap): Rewrite to use the above.
770 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
772 * gimple.c (is_gimple_non_addressable): Remove.
773 * gimple.h: Remove is_gimple_non_addressable.
774 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
775 is_gimple_non_addressable.
776 * trans-mem.c (expand_assign_tm): Same.
778 2012-01-09 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/51775
781 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
782 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
784 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
786 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
788 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
790 2012-01-09 Richard Guenther <rguenther@suse.de>
792 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
794 2012-01-08 Jan Hubicka <jh@suse.cz>
796 PR tree-optimize/51680
797 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
798 on when known_vals needs to be computed; cleanup.
800 2012-01-08 Jan Hubicka <jh@suse.cz>
802 PR tree-optimize/51694
803 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
805 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
807 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
808 for -std=c++98 and -std=c++11 too.
810 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
812 * cfgloop.c (cancel_loop): Add free() of bbs array.
814 2012-01-07 Jan Hubicka <jh@suse.cz>
816 PR tree-optimization/51600
817 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
818 that benefits small functions.
820 2012-01-07 Jan Hubicka <jh@suse.cz>
822 * ipa-inline.c (want_inline_small_function_p): Fix formating.
824 2012-01-07 Jan Hubicka <jh@suse.cz>
826 PR tree-optimization/51680
827 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
828 whose inlining reduce unit size.
830 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
833 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
834 Add canonical node to containing_mem chain after the non-canonical
835 one, even if there weren't any locs to propagate.
836 (remove_useless_values): Keep only canonical values.
837 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
838 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
839 canonicalize mem_chain elements that are not discarded.
841 2012-01-06 Jakub Jelinek <jakub@redhat.com>
844 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
845 before emitting functions.
847 PR gcov-profile/50127
848 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
849 clear_aux_for_blocks.
851 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
854 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
856 2012-01-06 Arnaud Charlet <charlet@adacore.com>
858 * c-decl.c (ext_block): Moved up.
859 (collect_all_refs, for_each_global_decl): Take ext_block into account.
861 2012-01-06 Han Shen <shenhan@google.com>
863 Translate built-in include paths for sysroot.
864 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
865 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
867 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
868 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
870 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
871 control whether sysroot should be prepended to gxx include dir.
873 * configure: Regenerate.
875 2012-01-06 Torvald Riegel <triegel@redhat.com>
877 PR rtl-optimization/51771
878 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
879 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
881 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
883 PR tree-optimization/51315
884 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
885 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
887 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
890 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
891 for shrp pattern. Correctly handle and fixup shift variable.
892 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
894 2012-01-05 Jakub Jelinek <jakub@redhat.com>
897 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
898 note when !ACCUMULATE_OUTGOING_ARGS.
900 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
902 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
904 (extract_range_from_unary_expr_1): Avoid useless computations.
906 2012-01-05 Jakub Jelinek <jakub@redhat.com>
908 PR rtl-optimization/51767
909 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
910 of jump_block and add an extra edge for degenerated asm gotos.
913 * stmt.c (check_unique_operand_names): Don't ICE during error
914 reporting if i is from labels chain.
917 * profile.c (branch_prob): Split bbs that have exit edge
918 and need a fake entry edge too.
920 2012-01-05 Jan Hubicka <jh@suse.cz>
923 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
926 2012-01-05 Richard Guenther <rguenther@suse.de>
929 * tree-streamer-out.c (write_ts_optimization): New function.
930 (streamer_write_tree_body): Call it.
931 * tree-streamer-in.c (lto_input_ts_optimization): New function.
932 (streamer_read_tree_body): Call it.
933 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
935 2012-01-05 Jakub Jelinek <jakub@redhat.com>
938 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
939 * gimplify.c (gimplify_cleanup_point_expr): Save and set
940 in_cleanup_point_expr before gimplify_stmt call and restore it
942 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
943 in_cleanup_point_expr is false.
945 2012-01-05 Richard Guenther <rguenther@suse.de>
948 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
950 * toplev.c (process_options): Reject combining mudflap and LTO.
951 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
953 2012-01-05 Richard Guenther <rguenther@suse.de>
955 PR tree-optimization/51760
956 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
958 (bit_value_unop): Handle UNDEFINED operands.
959 (bit_value_binop): Likewise.
961 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
963 * config/avr/avr.c (avr_replace_prefix): Remove.
964 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
965 (avr_asm_function_rodata_section): Ditto.
966 (avr_asm_select_section): Ditto.
968 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
970 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
973 2012-01-05 Jakub Jelinek <jakub@redhat.com>
976 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
977 calls that have any non-fake successor edges.
980 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
982 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
984 PR tree-optimization/51624
985 * tree-sra.c (build_ref_for_model): When replicating a chain of
986 COMPONENT_REFs, stop as soon as the offset would become negative.
988 2012-01-04 Jakub Jelinek <jakub@redhat.com>
991 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
992 in .debug_loc on the floor.
994 2012-01-04 Andrew Pinski <apinski@cavium.com>
996 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
998 2012-01-04 Andrew Pinski <apinski@cavium.com>
999 Adam Nemet <anemet@caviumnetworks.com>
1001 * config/mips/mips.md (size): Add SI and DI.
1002 (SIZE): New mode attribute.
1003 (U): New code attribute.
1004 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1005 (mips_lbux_<mode>): Delete.
1006 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1007 (mips_lhx): Use gen_mips_lhx_extsi.
1008 (mips_lhx_<mode>): Delete.
1010 (mips_l<size>x): New expand.
1011 (mips_lwx_<mode>): Delete.
1012 (mips_l<GPR:size>x_<P:mode>): New pattern.
1013 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1014 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1015 * config/mips/mips.c (mips_lx_address_p): New function.
1016 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1017 (dsp64): New availability predicate.
1018 (mips_builtins): Add an entry for __builtin_mips_ldx.
1019 * config/mips/mips.h (ISA_HAS_LBX): New define.
1020 (ISA_HAS_LBUX): Likewise.
1021 (ISA_HAS_LHX): Likewise.
1022 (ISA_HAS_LHUX): Likewise.
1023 (ISA_HAS_LWX): Likewise.
1024 (ISA_HAS_LWUX): Likewise.
1025 (ISA_HAS_LDX): Likewise.
1026 * doc/extend.texi (__builtin_mips_ldx): Document.
1028 2012-01-04 Tristan Gingold <gingold@adacore.com>
1030 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1031 when long pointers are used.
1032 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1033 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1034 (ia64-hp-*vms*): Remove.
1035 * config/vms/xm-vms64.h: Delete.
1037 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1040 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1042 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1044 * opts.c (finish_options): Remove duplicate sorry.
1046 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1049 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1052 2012-01-04 Richard Guenther <rguenther@suse.de>
1055 * tree.c (size_low_cst): New function.
1056 * tree.h (size_low_cst): Declare.
1057 * fold-const.c (fold_comparison): Use it to extract the low
1058 part of the POINTER_PLUS_EXPR offset.
1060 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1062 Fix clearing ZERO_REG
1063 * config/avr/avr.md (cc): Add alternative "ldi".
1064 (movqi_insn): Use it in cc attribute.
1065 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1066 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1067 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1069 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1071 * configure: Regenerate.
1073 2012-01-04 Richard Guenther <rguenther@suse.de>
1075 PR tree-optimization/49651
1076 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1077 (var_can_have_subvars): Use it.
1078 (get_constraint_for_1): Only consider subfields if there can be any.
1080 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1083 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1084 to its new canonical_cselib_val and the cselib_val was in
1085 first_containing_mem chain, but the canonical_cselib_val was not,
1086 add the latter into the chain.
1087 (cselib_invalidate_mem): Compare canonical_cselib_val of
1088 addr_list chain elt with v.
1091 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1092 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1094 (output_macinfo_op): Don't ggc_strdup fd->filename.
1095 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1096 then ggc_strdup it. Don't free inc->info or cur->info.
1097 (output_macinfo): Don't free ref->info or file->info.
1099 2012-01-03 Ira Rosen <irar@il.ibm.com>
1101 PR tree-optimization/51269
1102 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1103 first_niters a pointer.
1104 (slpeel_tree_peel_loop_to_edge): Likewise.
1105 (vect_do_peeling_for_loop_bound): Update call to
1106 slpeel_tree_peel_loop_to_edge.
1107 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1108 here. Remove it from the parameters list.
1109 (vect_do_peeling_for_alignment): Update calls and compute
1112 2012-01-03 Richard Guenther <rguenther@suse.de>
1114 PR tree-optimization/51070
1115 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1116 Properly handle calls.
1118 2012-01-03 Richard Guenther <rguenther@suse.de>
1120 PR tree-optimization/51692
1121 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1122 the LHS of allocation stmts.
1124 2012-01-03 Olivier Hainque <hainque@adacore.com>
1126 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1128 2012-01-03 Olivier Hainque <hainque@adacore.com>
1130 * collect2.c (main): In AIX specific computations for vector
1131 insertions, use CONST_CAST2 to cast from char ** to const char **.
1133 2012-01-03 Richard Guenther <rguenther@suse.de>
1136 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1137 the context of a limbo DIE when it does not already exist.
1139 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1141 PR tree-optimization/51719
1142 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1143 but direct call is, clear direct call's lhs and don't add fallthrough
1144 edge from dcall_bb to join_bb and PHIs.
1146 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1148 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1149 the instructions emitted by the pattern.
1150 ("*TDC_insn_<mode>"): Add comment.
1152 2012-01-03 Richard Guenther <rguenther@suse.de>
1155 * fold-const.c (fold_comparison): Properly canonicalize
1156 tree offset and HOST_WIDE_INT bit position.
1158 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1160 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1161 operands for extzv pattern.
1163 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1166 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1169 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1171 * doc/invoke.texi (-flto and related options): Copy-edit.
1173 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1175 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1177 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1179 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1182 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1184 * expr.h (move_by_pieces_ninsns): Declare.
1185 * expr.c (move_by_pieces_ninsns): Make external.
1186 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1187 (mips_store_by_pieces_p): Likewise.
1188 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1189 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1190 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1191 (mips_store_by_pieces_p): Likewise.
1193 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1195 * passes.c (register_one_dump_file): Free full_name.
1197 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1198 (calculate_elim_costs_all_insns): Free offsets_at and
1199 offsets_known_at at the end and clear the pointers.
1201 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1203 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1204 this option introduced in r180739.
1206 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1209 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1210 (tmake_file target=avr): Add avr/t-multilib.
1212 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1213 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1214 * config/avr/genmultilib.awk: New file.
1215 * config/avr/t-multilib: New auto-generated file.
1216 * config/avr/multilib.h: New auto-generated file.
1217 * config/avr/t-avr (AVR_MCUS): New variable.
1218 (genopt.sh): Use it.
1219 (s-mlib): Depend on t-multilib.
1220 (t-multilib, multilib.h): New dependencies.
1221 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1222 (MULTILIB_OPTIONS): Remove.
1223 (MULTILIB_MATCHES): Remove.
1224 (MULTILIB_DIRNAMES): Remove.
1225 (MULTILIB_EXCEPTIONS): Remove:
1226 * config/avr/genopt.sh: Don't use hard coded file name;
1227 pass AVR_MCUS from t-avr instead.
1229 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1231 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1233 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1235 Implement light-weight DImode support.
1236 * config/avr/avr-dimode.md: New file.
1237 * config/avr/avr.md: Include it.
1238 (adjust_len): Add plus64, compare64.
1239 (HIDI): Remove code iterator.
1240 (code_stdname): New code attribute.
1241 (rotx, rotsmode): Remove DI.
1242 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1244 * config/avr/avr-protos.h (avr_have_dimode): New.
1245 (avr_out_plus64, avr_out_compare64): New.
1246 * config/avr/avr.c (avr_out_compare): Handle DImode.
1247 (avr_have_dimode): New variable definition and initialization.
1248 (avr_out_compare64, avr_out_plus64): New functions.
1249 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1250 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1251 (avr_compare_pattern): Skip DImode comparisons.
1253 2012-01-02 Revital Eres <revital.eres@linaro.org>
1255 * ddg.c (def_has_ccmode_p): New function.
1256 (add_cross_iteration_register_deps,
1257 create_ddg_dep_from_intra_loop_link): Call it.
1259 2012-01-02 Richard Guenther <rguenther@suse.de>
1262 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1264 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1266 * gcc.c (process_command): Update copyright notice dates.
1267 * gcov.c (print_version): Likewise.
1268 * gcov-dump.c (print_version): Likewise.
1269 * mips-tfile.c (main): Likewise.
1270 * mips-tdump.c (main): Likewise.
1272 2012-01-01 Ira Rosen <irar@il.ibm.com>
1274 PR tree-optimization/51704
1275 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1276 a use is inside the basic block or loop before accessing its vect info.
1278 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1280 PR rtl-optimization/51069
1281 * cfgloopmanip.c (remove_path): Removing path making irreducible
1282 region unconditional makes BB part of the region.
1284 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1286 PR tree-optimization/51683
1287 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1288 calls with side-effects.
1289 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1291 Copyright (C) 2012 Free Software Foundation, Inc.
1293 Copying and distribution of this file, with or without modification,
1294 are permitted in any medium without royalty provided the copyright
1295 notice and this notice are preserved.