1 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5 even when linking statically, for now.
7 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
10 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
12 (count_uses): Accept MO_VAL_SET with no val on stores.
13 (add_stores): Likewise.
15 2010-01-20 Jakub Jelinek <jakub@redhat.com>
17 * var-tracking.c (check_value_val): Add a compile time assertion.
18 (dv_is_decl_p): Simplify.
19 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
20 gcc_assert if ENABLE_CHECKING.
22 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
25 * var-tracking.c: Include tree-flow.h.
26 (mem_dies_at_call): New.
27 (dataflow_set_preserve_mem_locs): Use it.
28 (dataflow_set_remove_mem_locs): Likewise.
29 (dump_var): Renamed from dump_variable. Adjust all callers.
30 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
31 * Makefile.in (var-tracking.o): Adjust deps.
33 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
35 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
37 2010-01-20 Richard Guenther <rguenther@suse.de>
39 PR tree-optimization/42717
40 * tree-ssa-dce.c (get_live_post_dom): Remove.
41 (forward_edge_to_pdom): Take an arbitrary edge to copy
42 degenerate PHI args from.
43 (remove_dead_stmt): Use the first post-dominator even if it
44 does not contain live statements as redirection destination.
46 2010-01-20 Richard Guenther <rguenther@suse.de>
48 * tree-inline.c (estimate_num_insns): Handle EH builtins.
50 2010-01-20 Jakub Jelinek <jakub@redhat.com>
52 * sel-sched.c (create_speculation_check): Remove set but not used
54 (try_transformation_cache): Remove set but not used variable ds.
55 (calculate_privileged_insns): Remove set but not used variables
56 cur_insn and min_spec_insn.
57 (find_best_expr): Remove set but not used variable avail_n.
58 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
60 * cgraphunit.c (assemble_thunk): Remove set but not used variable
62 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
63 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
66 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
69 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
70 cpu types. Add support for *-sse3 cpu types.
73 2010-01-20 Jakub Jelinek <jakub@redhat.com>
76 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
77 argument, call initializer_constant_valid_p_1 instead of
78 initializer_constant_valid_p, pass CACHE to it, return NULL
79 immediately if first call returns NULL.
80 (initializer_constant_valid_p_1): New function.
81 (initializer_constant_valid_p): Use it.
83 2010-01-20 Thomas Quinot <quinot@adacore.com>
85 * tree.def (PLACEHOLDER_EXPR): Fix comment.
87 2010-01-20 Jakub Jelinek <jakub@redhat.com>
89 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
90 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
91 (loc_list_from_tree): Don't handle unsigned division. Handle
92 signed modulo using DW_OP_{over,over,div,mul,minus}.
93 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
94 modulo instead of signed.
96 2010-01-20 DJ Delorie <dj@redhat.com>
98 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
100 (h8300_emit_stack_adjustment): Propogate it.
102 (h8300_expand_prologue): Likewise.
103 (h8300_expand_epilogue): Likewise.
105 2010-01-19 Michael Matz <matz@suse.de>
107 PR tree-optimization/41783
108 * tree-data-ref.c (toplevel): Include flags.h.
109 (dump_data_dependence_relation): Also dump the inputs if the
110 result will be unknown.
111 (split_constant_offset_1): Look through some conversions.
112 * tree-predcom.c (determine_roots_comp): Restart a new chain if
113 the offset from last element is too large.
114 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
115 (reassociate_to_the_same_stmt): Handle vector registers.
116 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
118 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
119 wide_prolog_niters argument, emit widening instructions.
120 (vect_do_peeling_for_alignment): Adjust caller, use widened
121 variant of the iteration cound.
122 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
124 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
127 * config/arm/neon-testgen.m (emit_automatics): New parameter
128 features. Adjust for Fixed_return_reg feature.
129 (test_intrinsic): Call emit_automatics with new feature.
130 * config/arm/neon.ml: Update copyright years.
131 (features): New Fixed_return_reg feature.
132 (ops): Update feature for Vget_low.
134 2010-01-19 Jakub Jelinek <jakub@redhat.com>
136 PR tree-optimization/42719
137 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
141 * fwprop.c (all_uses_available_at): Return false if def_set dest
142 is a REG that is used in def_insn.
144 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
146 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
148 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
151 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
153 * target.h (struct gcc_target) <secondary_reload>: Change type
154 of last argument to secondary_reload_info *.
156 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
159 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
160 memory references with unaligned offsets. Remove CQImode handling.
161 (unaligned_memory_operand): Return 1 for memory references with
162 unaligned offsets. Remove CQImode handling.
164 2010-01-18 Richard Guenther <rguenther@suse.de>
167 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
170 2010-01-18 Richard Guenther <rguenther@suse.de>
172 PR tree-optimization/42781
173 * tree-ssa-structalias.c (find_what_var_points_to): Skip
174 restrict processing only if the original variable was
177 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
179 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
180 find number of popped argument bytes.
182 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
183 Fix the text that describes the return value for invalid insns.
185 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
187 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
188 Clarify what 'cost of the -dependence' is. Fix quoting.
190 * toplev.c (default_get_pch_validity): Rename argument to "sz".
191 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
193 2010-01-17 Jakub Jelinek <jakub@redhat.com>
195 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
196 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
198 2010-01-17 Richard Guenther <rguenther@suse.de>
201 * function.c (split_complex_args): Take a VEC to modify.
202 (assign_parms_augmented_arg_list): Build a VEC instead of
203 a chain of PARM_DECLs.
204 (assign_parms_unsplit_complex): Take a VEC of arguments.
205 Do not fixup unmodified parms.
206 (assign_parms): Deal with the VEC.
207 (gimplify_parameters): Likewise.
209 2010-01-17 Richard Guenther <rguenther@suse.de>
211 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
212 node existence check.
213 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
214 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
215 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
216 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
217 (gimple_execute_on_growing_pred): Likewise.
219 2010-01-17 Richard Guenther <rguenther@suse.de>
221 PR tree-optimization/42773
222 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
223 (compute_antic_aux): Likewise.
224 (compute_partial_antic_aux): Likewise.
226 2010-01-17 Jie Zhang <jie.zhang@analog.com>
229 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
232 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
234 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
237 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
238 Fix markup for strict argument.
240 (TARGET_SCHED_REORDER2): Fix argument types.
242 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
243 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
245 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
246 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
248 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
251 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
252 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
253 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
254 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
255 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
257 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
259 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
261 (TARGET_ASM_RELOC_RW_MASK): Add return type.
262 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
264 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
266 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
269 (TARGET_ASM_NAMED_SECTION): Fix argument list.
271 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
272 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
274 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
276 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
278 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
279 referring to it. Fix language.
281 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
283 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
285 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
287 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
289 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
290 '@var{stream}. Remove stray 'and'.
292 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
294 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
296 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
298 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
299 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
301 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
302 Fix description of return value.
303 Rename argument "sz" to "len."
305 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
306 Clarify meaning of 'true' return value.
308 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
310 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
311 rep_mode versus mode_rep.
313 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
315 (TARGET_BUILTIN_DECL): Fix name.
317 (TARGET_COMMUTATIVE_P): Fix type of first argument.
319 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
321 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
323 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
325 (TARGET_RELAXED_ORDERING): Use @deftypevr.
327 (TARGET_GET_DRAP_RTX): Note that this is a hook.
330 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
331 Rename argument tm_fn to md_fn.
333 (TARGET_OPTION_PRINT): Fix argument list.
335 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
338 * config/i386/i386.c (ix86_fixup_binary_operands):
339 Revert FMA4 fixup of operands.
341 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
344 * Makefile.in (write_entries_to_file, install-plugin):
345 Use \012 instead of \n with tr.
347 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
349 * configure.ac (HAVE_AS_REF): New C macro.
350 * configure: Regenerate.
351 * config.in: Likewise.
352 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
354 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
357 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
359 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
361 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
363 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
365 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
367 (TARGET_IN_SMALL_DATA_P): Fix argument type.
369 (TARGET_BINDS_LOCAL_P): Fix argument type.
371 (TARGET_ASM_FILE_END): Use prototype.
373 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
375 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
377 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
379 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
381 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
382 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
384 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
385 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
387 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
388 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
389 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
390 (TARGET_ADDR_SPACE_CONVERT): Likewise.
392 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
394 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
396 (TARGET_INIT_BUILTINS): Use prototype.
398 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
399 Put 'const char *' in braces. Fix parameter types.
400 (TARGET_INVALID_CONVERSION): Fix parameter types.
401 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
402 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
404 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
407 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
409 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
411 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
413 * doc/tm.texi (TARGET_HELP): Fix return type.
415 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
416 in braces. Fix argument types.
418 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
420 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
422 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
424 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
425 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
427 (TARGET_MANGLE_TYPE): Fix argument types.
429 (TARGET_IRA_COVER_CLASSES): Use prototype.
431 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
433 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
435 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
437 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
439 (TARGET_CALLEE_COPIES): Fix argument types.
441 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
443 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
445 (TARGET_FUNCTION_VALUE): Fix argument types.
447 (TARGET_RETURN_IN_MSB): Fix argument type.
449 (TARGET_RETURN_IN_MEMORY): Fix argument types.
451 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
453 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
455 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
456 agree with return type.
458 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
460 2010-01-15 Jing Yu <jingyu@google.com>
462 PR rtl-optimization/42691
463 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
464 a pseudo to a constant and are merged, and adjust comments.
466 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
468 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
470 2010-01-15 Richard Guenther <rguenther@suse.de>
473 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
474 labels of computed or non-local gotos to the destination.
475 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
476 landing pad label is the first label.
478 2010-01-15 Richard Guenther <rguenther@suse.de>
480 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
482 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
485 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
486 to allow generation of the xssqrtdp instruction on power7.
487 (sqrtdf2_fpr): Ditto.
489 2010-01-14 Jakub Jelinek <jakub@redhat.com>
492 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
493 functions with noreturn attribute.
496 * varasm.c (declare_weak): Add weak attribute to decl if it
497 doesn't have one already.
498 (assemble_external): Only add decls to weak_decls if they also
501 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
503 * var-tracking.c (var_reg_delete): Don't delete the association
504 between REGs and values or one-part variables if the register
507 2010-01-14 Jakub Jelinek <jakub@redhat.com>
510 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
511 because its first operand is a non-localized variable.
513 2010-01-14 Martin Jambor <mjambor@suse.cz>
515 PR tree-optimization/42706
516 * tree-sra.c (encountered_recursive_call): New variable.
517 (encountered_unchangable_recursive_call): Likewise.
518 (sra_initialize): Initialize both new variables.
519 (callsite_has_enough_arguments_p): New function.
520 (scan_function): Call decl and flags check only for IPA-SRA, check
521 whether there is a recursive call and whether it has enough arguments.
522 (all_callers_have_enough_arguments_p): New function.
523 (convert_callers): Look for recursive calls only when
524 encountered_recursive_call is set.
525 (ipa_early_sra): Bail out either if
526 !all_callers_have_enough_arguments_p or
527 encountered_unchangable_recursive_call.
529 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
531 * sel-sched.c: Add 2010 to copyright years.
532 * sel-sched-ir.c: Likewise.
533 * sel-sched-ir.h: Likewise.
535 2010-01-14 Martin Jambor <mjambor@suse.cz>
537 PR tree-optimization/42714
538 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
539 constructors specially.
541 2010-01-14 Andi Kleen <ak@linux.intel.com>
543 * config/i386/drivers-i386.c (detect_caches_intel):
544 Add l2sizekb parameter and fill in.
545 (host_detect_local_cpu): Add l2sizekb, fill in.
546 Add Atom small cache heuristic.
548 2010-01-14 Andi Kleen <ak@linux.intel.com>
550 * config/i386/drivers-i386.c (detect_caches_cpuid4):
551 Add level3 parameter and fill in.
552 (detect_caches_intel): Handle level3 cache.
554 2010-01-14 Andi Kleen <ak@linux.intel.com>
556 * config/i386/drivers-i386.c (host_detect_local_cpu):
557 Fix core duo detection.
559 2010-01-14 Andi Kleen <ak@linux.intel.com>
561 * config/i386/drivers-i386.c (host_detect_local_cpu):
564 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
566 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
567 (rs6000_variable_issue_1): this. Use...
568 (rs6000_variable_issue): here. Reimplement. Print debug info.
570 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
572 * sel-sched-ir.c (sel_restore_other_notes): Rename to
573 sel_restore_notes. Update all callers. Call reemit_notes
576 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
578 PR rtl-optimization/42246
579 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
582 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
584 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
585 all successors is the same as number of successors in current region.
587 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
589 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
590 to rename is not separable. Otherwise check that its LHS is not NULL.
592 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
594 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
596 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
598 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
599 available registers when failed to discover LHS register class.
600 Fix indentation. Update comment.
602 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
603 Alexander Monakov <amonakov@ispras.ru>
605 PR rtl-optimization/42389
606 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
608 (advance_state_on_fence): Likewise.
609 (sel_target_adjust_priority): Print debug output only when
610 sched_verbose >= 4, not 2.
611 (get_expr_cost): Do not issue all unique insns on the next cycle.
612 (fill_insns): Initialize can_issue_more from the value saved
614 * sel-sched-ir.c (flist_add): New parameter issue_more.
615 Init FENCE_ISSUE_MORE with it.
616 (merge_fences): Likewise.
617 (init_fences): Update call to flist_add.
618 (add_to_fences, add_clean_fence_to_fences)
619 (add_dirty_fence_to_fences): Likewise.
620 (move_fence_to_fences): Update call to merge_fences.
621 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
623 * sel-sched-ir.h (struct _fence): New field issue_more.
624 (FENCE_ISSUE_MORE): New accessor macro.
626 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
628 PR rtl-optimization/42388
629 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
630 that have no predecessors nor successors. Do not call move_bb_info
631 for empty blocks outside of current region.
633 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
635 PR rtl-optimization/42294
636 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
637 * sel-sched.c (move_exprs_to_boundary): Transitively add all
638 originators' originators.
640 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
642 PR rtl-optimization/39453
643 PR rtl-optimization/42246
644 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
646 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
648 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
649 Alexander Monakov <amonakov@ispras.ru>
652 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
653 (maybe_tidy_empty_bb): ... here. Make static. Add new
654 argument. Update all callers.
655 (tidy_control_flow): ... and here. Recompute topological order
656 of basic blocks in region if necessary.
657 (sel_redirect_edge_and_branch): Change return type. Return true
658 if topological order might have been invalidated.
659 (purge_empty_blocks): Export and move from...
660 * sel-sched.c (purge_empty_blocks): ... here.
661 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
662 (maybe_tidy_empty_bb): Delete prototype.
663 (purge_empty_blocks): Declare.
665 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
667 PR rtl-optimization/42249
668 * sel-sched.c (try_replace_dest_reg): When chosen register
669 and original register is the same, do not bail out early, but
670 still check all original insns for validity of replacing destination
671 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
674 2010-01-14 Jakub Jelinek <jakub@redhat.com>
677 Port from no-undefined-overflow branch:
678 2009-03-09 Richard Guenther <rguenther@suse.de>
680 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
682 2010-01-14 Richard Guenther <rguenther@suse.de>
685 * gimple.c (iterative_hash_gimple_type): Avoid hashing
688 2010-01-14 Ira Rosen <irar@il.ibm.com>
690 PR tree-optimization/42709
691 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
692 as scalar type in creation of constant vector operand.
694 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
697 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
698 (check-parallel-%): Match `testsuite' directory component only
701 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
704 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
707 2010-01-13 Richard Guenther <rguenther@suse.de>
709 PR tree-optimization/42730
710 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
713 2010-01-13 Steve Ellcey <sje@cup.hp.com>
716 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
717 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
720 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
722 * config/bfin/libgcc-bfin.ver: Regenerate based on current
723 libgcc-std.ver. Add entries for ___smulsi3_highpart and
726 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
727 rather than schedule_insns if the pass is enabled.
729 2010-01-13 Martin Jambor <mjambor@suse.cz>
731 PR tree-optimization/42704
732 * tree-sra.c (sra_modify_assign): Do not delete assignments to
735 2010-01-13 Martin Jambor <mjambor@suse.cz>
737 PR tree-optimization/42703
738 * tree-sra.c (analyze_access_subtree): Check that we can build a
739 reference to the original data within the aggregate.
741 2010-01-13 Richard Guenther <rguenther@suse.de>
743 PR tree-optimization/42705
744 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after
747 2010-01-13 Richard Guenther <rguenther@suse.de>
750 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
752 2010-01-13 Jakub Jelinek <jakub@redhat.com>
755 * var-tracking.c (values_to_unmark): New variable.
756 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
757 values_to_unmark vector. Moved body to...
758 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
759 instead queue it into values_to_unmark vector.
760 (vt_find_locations): Free values_to_unmark vector.
762 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
764 * config/s390/s390.c (override_options): Set
765 default of max-pending-list-length to 256
767 2010-01-13 Richard Guenther <rguenther@suse.de>
770 * tree-pass.h (PROP_gimple_lcx): New.
771 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
772 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
773 before the final cleanup_eh.
774 (dump_properties): Dump PROP_gimple_lcx.
775 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
776 (tree_lower_complex_O0): Remove.
777 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
778 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
779 tree_lower_complex, schedule TODO_update_ssa.
780 * lto-streamer-out.c (output_function): Stream the functions
782 * lto-streamer-in.c (input_function): Likewise.
783 (lto_read_body): Do not override them here.
785 2010-01-12 Joseph Myers <joseph@codesourcery.com>
788 * c-typeck.c (build_c_cast): Fold value cast to union type before
789 wrapping it in a CONSTRUCTOR.
791 2010-01-12 Jakub Jelinek <jakub@redhat.com>
793 PR rtl-optimization/42699
794 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
797 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
799 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
800 SUBTARGET_WARN_UNUSED_SPEC): Move ...
801 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
802 SUBTARGET_WARN_UNUSED_SPEC): ... here
803 * config/mips/iris5.h (LIBGCC_SPEC): Define.
805 2010-01-12 Julian Brown <julian@codesourcery.com>
807 * config/arm/neon-schedgen.ml (Utils): Don't try to
809 (find_with_result): New.
811 2010-01-12 Jakub Jelinek <jakub@redhat.com>
814 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
815 sharing when canonicalizing ({lt,ge}u (plus a b) b).
817 PR tree-optimization/42645
818 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
819 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
820 decl_map, set processing_debug_stmt to -1 and return name without
823 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
825 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
826 binutils version, and reword target configuration description.
828 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
830 * config/avr/avr.h (LINKER_NAME): Remove.
832 2010-01-11 Janis Johnson <janis187@us.ibm.com>
835 * config/rs6000/rs6000.c (rs6000_override_options): On targets
836 that support VSX, warn for -mno-altivec if vsx is not disabled,
839 2010-01-11 Joseph Myers <joseph@codesourcery.com>
840 Shujing Zhao <pearly.zhao@oracle.com>
843 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
844 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
845 character between option name and help text.
846 * c.opt (imultilib): Likewise.
848 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
850 * lto-streamer-out.c (output_unreferenced_globals): Output static
853 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
855 PR rtl-optimization/42621
856 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
858 (duplicate_computed_gotos): Remove now-redundant check.
860 2010-01-10 Steve Ellcey <sje@cup.hp.com>
863 * configure.ac: Save and restore LDFLAGS and LIBS
864 * configure: Regenerate.
866 2010-01-10 Richard Guenther <rguenther@suse.de>
869 * builtins.c (fold_builtin_strlen): Add type argument and
870 convert the resulting length to it.
871 (fold_builtin_1): Adjust.
873 2010-01-09 Jakub Jelinek <jakub@redhat.com>
875 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
876 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
878 (num_insns_constant_wide): Adjust for that change.
880 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
883 * web.c (union_defs): Add used argument, to combine uses of
885 (entry_register): Adjust type and tests of used argument.
886 (web_main): Widen used for new use. Pass it to union_defs.
887 * df.h (union_defs): Adjust prototype.
889 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
892 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
893 uses in new incoming argument. Free body.
894 (reset_debug_uses_in_loop): New.
895 (analyze_insn_to_expand_var): Call the latter if the former found
896 anything. Fix whitespace. Reject invalid dest overlaps before
897 going through all insns in the loop.
899 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
902 * haifa-sched.c (dying_use_p): Debug insns don't count.
904 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
907 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
908 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
909 (verify_gimple_call): Reject LHS in noreturn calls.
911 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
915 * tree-vect-loop-manip.c (adjust_info): New type.
916 (adjust_vec): New pointer to vector.
917 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
918 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
919 (slpeel_update_phis_for_duplicate_loop): Use them.
920 (slpeel_update_phi_nodes_for_guard1): Likewise.
921 (slpeel_update_phi_nodes_for_guard2): Likewise.
922 (slpeel_tree_peel_loop_to_edge): Likewise.
923 (vect_update_ivs_after_vectorizer): Likewise.
925 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
927 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
928 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
930 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
932 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
933 bogus uninitialized warning.
935 2010-01-09 Richard Guenther <rguenther@suse.de>
938 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
939 the evolution is compatible with the initial condition.
941 2010-01-09 Jakub Jelinek <jakub@redhat.com>
943 * gcc.c (process_command): Update copyright notice dates.
944 * gcov.c (print_version): Likewise.
945 * gcov-dump.c (print_version): Likewise.
946 * mips-tfile.c (main): Likewise.
947 * mips-tdump.c (main): Likewise.
949 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
952 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
957 (rotlsi3_16): Delete.
958 (rotlsi3_24): Delete.
962 * config/avr/avr.c (avr_rotate_bytes): New function.
963 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
965 2010-01-08 Steve Ellcey <sje@cup.hp.com>
968 * configure.ac: Modify -rdynamic check.
969 * configure: Regenerate.
971 2010-01-08 DJ Delorie <dj@redhat.com>
973 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
974 register popping order.
976 2010-01-08 Richard Guenther <rguenther@suse.de>
979 * c.opt (fsigned-char): Also let LTO handle this option.
980 (funsigned-char): Likewise.
982 2010-01-07 Richard Guenther <rguenther@suse.de>
984 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
985 (gimple_op): Likewise.
986 (gimple_op_ptr): Likewise.
987 (gimple_assign_set_lhs): Remove gcc_assert.
988 (gimple_assign_set_rhs1): Likewise.
989 (gimple_assign_set_rhs2): Likewise.
990 (gimple_call_set_lhs): Likewise.
991 (gimple_call_set_fn): Likewise.
992 (gimple_call_set_fndecl): Likewise.
993 (gimple_call_fndecl): Likewise.
994 (gimple_call_return_type): Likewise.
995 (gimple_call_set_chain): Likewise.
996 (gimple_call_num_args): Likewise.
997 (gimple_call_set_arg): Likewise.
998 (gimple_cond_set_code): Likewise.
999 (gimple_cond_set_lhs): Likewise.
1000 (gimple_cond_set_rhs): Likewise.
1001 (gimple_cond_set_true_label): Likewise.
1002 (gimple_cond_set_false_label): Likewise.
1003 (gimple_label_set_label): Likewise.
1004 (gimple_goto_set_dest): Likewise.
1005 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
1006 (gimple_debug_bind_get_value): Likewise.
1007 (gimple_debug_bind_get_value_ptr): Likewise.
1008 (gimple_debug_bind_set_var): Likewise.
1009 (gimple_debug_bind_set_value): Likewise.
1010 (gimple_debug_bind_reset_value): Likewise.
1011 (gimple_debug_bind_has_value_p): Likewise.
1012 (gimple_return_retval_ptr): Remove gcc_assert.
1013 (gimple_return_retval): Likewise.
1014 (gimple_return_set_retval): Likewise.
1015 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
1016 (safe_referenced_var_iterator): Remove.
1017 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
1018 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
1019 (fill_referenced_var_vec): Remove.
1020 (first_readonly_imm_use): Remove redundant gcc_assert.
1021 (phi_arg_index_from_use): Combine gcc_asserts.
1022 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
1023 (first_imm_use_stmt): Remove redundant gcc_assert.
1024 * tree-cfg.c (verify_gimple_call): Verify function and chain
1025 operands. Verify arguments.
1026 (verify_types_in_gimple_stmt): Verify condition code and labels.
1028 2010-01-07 Richard Guenther <rguenther@suse.de>
1030 PR tree-optimization/42641
1031 * sese.c (rename_map_elt_info): Use the SSA name version, do
1034 2010-01-07 Jakub Jelinek <jakub@redhat.com>
1036 PR tree-optimization/42625
1037 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
1038 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body
1041 2010-01-07 Duncan Sands <baldrick@free.fr>
1043 * Makefile.in (PLUGIN_HEADERS): Add version.h.
1045 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
1048 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
1049 note itself is not function_invariant_p.
1051 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
1053 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
1054 Do not add the DF_NOTE problem.
1055 * store-motion.c (execute_rtl_store_motion): Likewise.
1057 2010-01-07 Martin Jambor <mjambor@suse.cz>
1059 PR tree-optimization/42157
1060 * tree-sra.c (compare_access_positions): Stabilize sort if both
1061 accesses have integer types, return zero immediately if they are the
1064 2010-01-06 Richard Henderson <rth@redhat.com>
1067 * haifa-sched.c (add_to_note_list): Merge into ...
1068 (concat_note_lists): ... here, and ...
1069 (unlink_other_notes, rm_other_notes): Merge into...
1070 (remove_notes): ... here. Create REG_SAVE_NOTEs for
1071 NOTE_INSN_EPILOGUE_BEG.
1073 2010-01-06 Richard Guenther <rguenther@suse.de>
1075 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
1076 not inline regular functions into always-inline functions.
1078 2010-01-06 Nick Clifton <nickc@redhat.com>
1080 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
1081 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
1083 (OVERRIDE_OPTIONS): Delete.
1084 (OPTIMIZATION_OPTIONS): Define.
1085 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
1086 * config/rx/rx.c (rx_handle_option): Issue an error message if
1087 -mcpu=rx200 and -fpu are used together.
1088 (rx_set_optimization_options): New function. Issue an error
1089 message if an optimization attribute attempts to reset the FPU/
1090 math optimization pairing.
1091 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
1092 * config/rx/rx.opt: Set the default to 32-bit doubles.
1093 * config/rx/t-rx: Add multilibs for -nofpu option.
1094 * doc/invoke.texi: Update documentation of RX options.
1096 2010-01-06 Richard Guenther <rguenther@suse.de>
1098 * tree-ssa-pre.c (name_to_id): New global.
1099 (alloc_expression_id): Simplify SSA name handling.
1100 (lookup_expression_id): Likewise.
1101 (init_pre): Zero name_to_id.
1102 (fini_pre): Free it.
1104 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
1106 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
1108 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
1111 * config/i386/sse.md (smaxv2di3): New.
1112 (umaxv2di3): Likewise.
1113 (sminv2di3): Likewise.
1114 (uminv2di3): Likewise.
1116 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
1119 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
1120 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
1121 (legitimize_tls_address): Likewise.
1122 (sparc_tls_referenced_p): Likewise.
1123 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
1124 and adjust calls to legitimize_pic_address.
1125 (legitimate_constant_p) Use sparc_tls_referenced_p.
1126 (legitimate_pic_operand_p): Likewise.
1127 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
1128 (sparc_tls_symbol_ref_1): Delete.
1129 (sparc_tls_referenced_p): Make static, recognize specific patterns.
1130 (legitimize_tls_address): Make static, handle CONST patterns.
1131 (legitimize_pic_address): Make static, remove unused parameter and
1132 adjust recursive calls.
1133 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
1134 and adjust call to legitimize_pic_address.
1135 (sparc_output_mi_thunk): Likewise.
1137 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
1138 H.J. Lu <hongjiu.lu@intel.com>
1141 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
1142 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
1143 operands to make them signed.
1146 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1149 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
1150 GTU to GT for V4SI and V2DI.
1152 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
1153 (umin<mode>3): Removed.
1155 (uminv4si3): Likewise.
1157 2010-01-05 Martin Jambor <mjambor@suse.cz>
1159 PR tree-optimization/42462
1160 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
1161 current_function_decl to helper functions and macros.
1163 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1166 * flags.h: Don't include real.h.
1167 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
1168 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
1169 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
1170 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
1171 * dominance.c: Update copyright.
1172 * gimple.c (walk_gimple_op): Remove inline.
1173 * tree-ssa-reassoc.c: Include real.h.
1174 * Makefile.in (FLAGS_H): Remove $(REAL_H).
1175 (tree-ssa-reassoc.o): Depend on $(REAL_H).
1177 2010-01-05 Nick Clifton <nickc@redhat.com>
1179 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
1180 register to push into the stack frame when the accumulator has to
1181 be saved during interrupts.
1183 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
1185 * doc/invoke.texi: Remove the documentation about option
1187 * common.opt (Wunreachable-code): Preserved for backward
1189 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
1190 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
1191 the backward compatibility flag section.
1193 2010-01-05 Richard Guenther <rguenther@suse.de>
1195 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
1197 2010-01-05 Jakub Jelinek <jakub@redhat.com>
1200 * cfgexpand.c (expand_one_var): Diagnose too large variables.
1202 PR tree-optimization/42508
1203 * tree-sra.c (convert_callers): Check for recursive call
1204 by comparing cgraph nodes instead of decls.
1205 (modify_function): Call ipa_modify_formal_parameters also
1206 on all same_body aliases.
1208 * cgraphunit.c (cgraph_materialize_all_clones): Compare
1209 cgraph nodes when checking for same_body aliases.
1211 2010-01-05 Richard Guenther <rguenther@suse.de>
1213 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
1214 allocation and lookup.
1215 (get_or_alloc_expr_for_constant): Likewise.
1216 (phi_translate): Sink allocation.
1218 2010-01-04 Richard Guenther <rguenther@suse.de>
1220 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
1221 a new entry only if needed.
1222 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
1223 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
1225 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
1227 (phi_translate): Handle CONSTANTs early.
1229 2010-01-04 Martin Jambor <mjambor@suse.cz>
1231 PR tree-optimization/42398
1232 * tree-sra.c (struct access): Removed flag grp_different_types.
1233 (dump_access): Do not dump the removed flag.
1234 (sort_and_splice_var_accesses): Do not set the removed flag.
1235 (sra_modify_expr): Check for type compatibility directly.
1237 2010-01-04 Martin Jambor <mjambor@suse.cz>
1239 PR tree-optimization/42366
1240 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
1241 edges with variable number of parameters.
1242 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
1243 flag instead of asserting it.
1244 (ipa_read_node_info): Read uses_analysis_done flag.
1246 2010-01-04 Richard Guenther <rguenther@suse.de>
1248 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
1249 iterative_hash_* as intended.
1250 (vn_reference_compute_hash): Likewise. Simplify hashing
1252 (vn_reference_lookup_2): Likewise.
1253 (vn_nary_op_compute_hash): Likewise.
1254 (vn_phi_compute_hash): Likewise.
1255 (expressions_equal_p): Remove strange code.
1256 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
1257 (pre_expr_hash): Likewise. Simplify hashing SSA names.
1258 (bitmap_insert_into_set_1): Take value-id as parameter.
1259 (add_to_value): Pass it.
1260 (bitmap_insert_into_set): Likewise.
1261 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
1263 2010-01-04 Jakub Jelinek <jakub@redhat.com>
1266 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
1267 (do_self_spec): For switches with SWITCH_IGNORE set set also
1268 SWITCH_IGNORE_PERMANENTLY.
1269 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
1272 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
1274 * lto-streamer-out.c (output_unreferenced_globals): Output the full
1275 tree of an unreferenced global var.
1277 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1280 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
1281 GTU to GT for V4SI and V2DI.
1283 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
1284 (umin<mode>3): Removed.
1286 (uminv4si3): Likewise.
1288 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
1291 * collect2.c (main): Turn on trace in collect2 if -v is passed
1294 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
1296 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
1297 description of expression operand.
1299 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
1301 * configure.ac: Add install-html to target_list for Make-hooks.
1302 * configure: Regenerate.
1303 * fortran/Make-lang.in (F95_HTMLFILES): New.
1304 (fortran.html): Use it.
1305 (fortran.install-html): New.
1306 * Makefile.in (install-html): Add lang.install-html.
1307 * java/Make-lang.in (JAVA_HTMLFILES): New.
1308 (java.html): Use it.
1309 (java.install-html): New.
1310 * objc/Make-lang.in (objc.install-html): New.
1311 * objcp/Make-lang.in (obj-c++.install-html): New.
1312 * cp/Make-lang.in (c++.install-html): New.
1313 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
1314 * lto/Make-lang.in (lto.install-html): New.
1316 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
1319 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
1321 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
1323 PR rtl-optimization/41862
1324 * store-motion.c (store_killed_in_insn, compute_store_table,
1325 remove_reachable_equiv_notes, replace_store_insn,
1326 build_store_vectors): Ignore all DEBUG_INSNs.
1328 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
1331 * common.opt: Add dumpdir.
1333 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
1335 (option_map): Add --dumpdir.
1337 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
1339 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
1341 * opts.c (decode_options): Try dump_dir_name first if
1342 dump_base_name isn't an absolute path.
1343 (common_handle_option): Handle OPT_dumpdir.
1345 * toplev.c (dump_dir_name): New.
1346 (print_switch_values): Also ignore -dumpdir.
1348 * toplev.h (dump_dir_name): New.
1350 2010-01-03 Richard Guenther <rguenther@suse.de>
1352 PR tree-optimization/42589
1353 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
1354 double-word expansion of bswap32.
1356 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
1358 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
1359 with BLOCK_FOR_INSN.
1360 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
1361 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
1362 noce_process_if_block): Likewise.
1363 * gcse.c (compute_local_properties, insert_expr_in_table,
1364 insert_set_in_table, canon_list_insert, find_avail_set,
1365 pre_insert_copy_insn): Likewise.
1367 * basic-block.h (BLOCK_NUM): Move from here...
1368 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
1370 2010-01-03 Richard Guenther <rguenther@suse.de>
1372 PR tree-optimization/42438
1373 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
1374 contains_may_not_return_call flag.
1375 (BB_MAY_NOTRETURN): New.
1376 (valid_in_sets): Trapping nary operations are not valid
1377 in blocks that may not return.
1378 (insert_into_preds_of_block): Remove check for trapping
1380 (compute_avail): Compute also BB_MAY_NOTRETURN.
1382 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
1384 * doc/invoke.texi: Add 2010 to copyright years.
1386 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
1388 * config/sparc/sparc.c: Fix formatting nits.
1390 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
1391 Alexander Monakov <amonakov@ispras.ru>
1393 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
1395 2010-01-02 Richard Guenther <rguenther@suse.de>
1398 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
1399 (simplify_switch_using_ranges): Mark to be removed edges
1402 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1404 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
1406 * collect2.c (scan_libraries): Add missing argument in call to
1409 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
1412 * config/alpha/predicates.md (aligned_memory_operand): Return false
1414 (unaligned_memory_operand): Return true for CQImode.
1415 * config/alpha/alpha.c (get_aligned_mem): Assert that location
1416 doesn not cross aligned SImode word boundary.
1418 2010-01-02 Anatoly Sokolov <aesok@post.ru>
1420 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
1422 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
1423 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
1425 2010-01-02 Richard Guenther <rguenther@suse.de>
1428 * toplev.c (compile_file): Emit LTO marker properly. Change
1430 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
1432 2010-01-01 Richard Guenther <rguenther@suse.de>
1435 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
1437 2010-01-01 Richard Guenther <rguenther@suse.de>
1440 * c-decl.c (grokdeclarator): For zero-size arrays force
1441 structural equality checks as layout_type does.
1443 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
1445 * builtins.c: Update copyright to 2010.
1447 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
1450 * lto-streamer-out.c (produce_asm): Revert the last change.
1451 (copy_function): Likewise.
1453 * lto-streamer.c (lto_get_section_name): Skip any leading
1456 2010-01-01 Richard Guenther <rguenther@suse.de>
1459 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
1463 Copyright (C) 2010 Free Software Foundation, Inc.
1465 Copying and distribution of this file, with or without modification,
1466 are permitted in any medium without royalty provided the copyright
1467 notice and this notice are preserved.