1 2009-03-18 Jakub Jelinek <jakub@redhat.com>
3 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
4 * matrix-reorg.c (struct matrix_info): Likewise.
5 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
6 * rtl.h (struct mem_attrs): Likewise.
7 * df.h (struct df): Likewise.
8 * tree-data-ref.h (struct data_dependence_relation): Likewise.
9 * ira-int.h (struct ira_allocno): Likewise.
10 * df-scan.c (struct df_collection_rec): Likewise.
11 * ira.c (struct equivalence): Likewise.
12 * function.c (struct temp_slot): Likewise.
13 * cfgloop.h (struct loop): Likewise.
16 * function.c (use_register_for_decl): When not optimizing, disregard
17 register keyword for variables with types containing methods.
19 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
22 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
23 (is_simple_operand): Call contains_component_ref_p before calling data
24 reference analysis that would fail on COMPONENT_REFs.
26 * tree-vrp.c (search_for_addr_array): Fix formatting.
28 2009-03-18 Richard Guenther <rguenther@suse.de>
30 * tree-vect-transform.c (vect_loop_versioning): Fold the
31 generated comparisons.
32 * tree-vectorizer.c (set_prologue_iterations): Likewise.
33 (slpeel_tree_peel_loop_to_edge): Likewise.
35 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
38 * opts.c (print_specific_help): In addition to `undocumented',
39 accept `separate' and `joined' flags if passed alone. Describe
40 output by the first matched one of those.
41 (common_handle_option): Skip over empty strings.
42 * gcc.c (display_help): Fix help string for `--help='.
43 * doc/invoke.texi (Option Summary, Overall Options): With
44 `--help=', classes and qualifiers can both be repeated, but
45 only the latter can be negated. One should not pass only
46 negated qualifiers. Fix markup and examples.
49 2008-10-14 Jakub Jelinek <jakub@redhat.com>
51 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
54 2009-03-17 Jing Yu <jingyu@google.com>
57 * function.h: Move is_thunk from rtl_data structure to function
59 * varasm.c (assemble_start_function): Change is_thunk from crtl to
61 * config/alpha/alpha.c: Change is_thunk from crtl to cfun.
62 * config/rs6000/rs6000.c: Change is_thunk from crtl to cfun.
63 * config/arm/arm.h: Change is_thunk from crtl to cfun.
65 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
68 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
69 from different units in a single alternative.
70 (*truncdfsf_i387): Ditto.
71 (*truncxfsf2_mixed): Ditto.
72 (*truncxfdf2_mixed): Ditto.
74 2009-03-17 Jakub Jelinek <jakub@redhat.com>
76 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
77 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
80 * tree-ssa-live.c (remove_unused_locals): Don't remove local
81 unused non-artificial variables when not optimizing.
84 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
85 DW_TAG_imported_module even if decl is IMPORTED_DECL with
86 NAMESPACE_DECL in its DECL_INITIAL.
89 * optabs.c (set_user_assembler_libfunc): New function.
90 * expr.h (set_user_assembler_libfunc): New prototype.
91 * c-common.c: Include libfuncs.h.
92 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
93 for memcmp, memset, memcpy, memmove and abort.
94 * Makefile.in (c-common.o): Depend on libfuncs.h.
97 * dwarf2out.c (gen_inlined_enumeration_type_die,
98 gen_inlined_structure_type_die, gen_inlined_union_type_die,
99 gen_tagged_type_instantiation_die): Removed.
100 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
103 2009-03-17 Janis Johnson <janis187@us.ibm.com>
106 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
108 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
109 (check-parallel-%): Ditto.
110 (check-consistency): Ditto.
112 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
114 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
115 local variable rhs by NULL_TREE.
117 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
120 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
122 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
125 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
127 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
130 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
131 for ms->sysv ABI calls only in 64bit mode.
133 * config/i386/i386.md (untyped_call): Support 32bit.
135 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
137 * doc/extend.texi: Replace x86_65 with x86_64.
139 2009-03-16 Jakub Jelinek <jakub@redhat.com>
141 PR tree-optimization/39455
142 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
143 mismatches for POINTER_TYPE_P (type).
144 (number_of_iterations_le): Likewise.
146 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
148 * config/picochip/picochip.c: Removed profiling support.
149 * config/picochip/picochip.md: Removed profiling instruction.
150 * config/picochip/picochip.h: Removed profiling builtin.
152 2009-03-16 Joseph Myers <joseph@codesourcery.com>
154 * doc/install.texi (--with-host-libstdcxx): Document.
156 2009-03-14 Anatoly Sokolov <aesok@post.ru>
159 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
160 generate a warning if the function name does not begin with
161 "__vector" and the function has either the 'signal' or 'interrupt'
162 attribute, from here to ...
163 (avr_declare_function_name): ...here. New function.
164 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
165 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
167 2009-03-14 Jakub Jelinek <jakub@redhat.com>
170 * cse.c (fold_rtx): Don't modify original const_arg1 when
171 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
172 separate variable instead.
173 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
174 from out of range shift counts.
175 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
177 2008-03-13 Catherine Moore <clm@codesourcery.com>
179 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
180 diagnostic.h with $(DIAGNOSTIC_H).
182 2008-03-12 Jakub Jelinek <jakub@redhat.com>
185 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
187 * config/i386/sync.md (sync_compare_and_swap<mode>,
188 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
189 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
191 (sync_double_compare_and_swapdi_pic,
192 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
193 cmpxchg8b_pic_memory_operand instead of just memory_operand.
195 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
198 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
200 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
203 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
204 (avx_addsubv4df3): Likewise.
205 (*avx_addsubv4sf3): Likewise.
206 (sse3_addsubv4sf3): Likewise.
208 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
211 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
213 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
216 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
217 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
218 registers for allocnos created from user-defined variables.
220 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
223 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
224 of non-integer mode as well.
226 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
228 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
229 for functions for which the parameter types are unknown.
231 2009-03-11 Jakub Jelinek <jakub@redhat.com>
234 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
235 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
236 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
237 * config/i386/i386.c (ix86_local_alignment): For
238 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
239 long long variables on the stack to avoid dynamic realignment.
240 Allow the first argument to be a decl rather than type.
241 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
243 2009-03-11 Nick Clifton <nickc@redhat.com>
246 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
248 Add description to mno-lsim option.
249 * config/mcore/mcore.h: Remove comment about deprecated m4align
251 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
252 * doc/invoke.texi: Add description of mno-lsim and
253 mstack-increment options.
255 * config/fr30/fr30.opt: Document the -mno-lsim option.
256 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
257 and -mno-lsim options.
259 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
261 * fold-const.c (fold_comparison): Only call fold_inf_compare
262 if the mode supports infinities.
264 2009-03-11 Jason Merrill <jason@redhat.com>
267 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
268 end already did. Notice GIMPLE_CALL modifications of the result.
269 Don't copy debug information from an ignored decl or a decl from
272 2009-03-10 Richard Guenther <rguenther@suse.de>
273 Nathan Froyd <froydnj@codesourcery.com>
276 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
277 (__divMODE3): Likewise.
279 2009-03-09 Jakub Jelinek <jakub@redhat.com>
281 PR tree-optimization/39394
282 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
283 DECL_SIZE_UNIT of variable length FIELD_DECLs.
285 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
287 * recog.c (verfiy_changes): Disallow renaming of hard regs in
288 inline asms for register asm ("") declarations.
290 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
292 * fold-const.c (fold_unary): Fix comment.
294 2009-03-07 Jan Hubicka <jh@suse.cz>
297 * tree-inline.c (setup_one_parameter): Do replacement of const argument
298 by constant in SSA form.
300 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
303 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
304 determine alignment passed to assign_stack_local.
305 (assign_parms_unsplit_complex): Likewise.
306 * except.c (sjlj_build_landing_pads): Likewise.
308 2009-03-06 Jakub Jelinek <jakub@redhat.com>
311 * tree-flow.h (add_referenced_var): Return bool instead of void.
312 * tree-dfa.c (add_referenced_var): Return result of
313 referenced_var_check_and_insert call.
314 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
315 of referenced_var_check_and_insert.
318 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
319 (gen_variable_die): Emit DW_AT_location on abstract static variable's
320 DIE, don't emit it if abstract origin already has it.
321 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
322 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
324 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
326 * genpreds.c: (needs_variable): Fix parentheses at variable name
328 (write_tm_constrs_h): Indent generated code.
330 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
332 * doc/extend.texi (Function Attributes): Add documentation
335 2009-03-06 Jakub Jelinek <jakub@redhat.com>
338 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
339 take locus from its DECL_SOURCE_LOCATION instead of input_location.
341 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
343 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
346 2009-03-05 Jakub Jelinek <jakub@redhat.com>
349 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
350 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
352 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
354 * config/i386/i386.md (R8_REG, R9_REG): New constants.
355 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
356 constants instead of magic numbers.
357 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
359 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
360 (x86_64_ms_abi_int_parameter_registers): Ditto.
361 (x86_64_int_return_registers): Ditto.
362 (ix86_maybe_switch_abi): Ditto.
363 (ix86_expand_call): Ditto for clobbered_registers array.
364 (ix86_hard_regno_mode_ok): Ditto.
365 (x86_extended_QIreg_mentioned_p): Ditto.
367 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
369 PR tree-optimization/39349
370 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
372 * combine.c (gen_lowpart_for_combine): Use omode when generating
375 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
377 PR rtl-optimization/39235
378 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
380 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
382 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
384 2009-03-04 Richard Guenther <rguenther@suse.de>
386 PR tree-optimization/39362
387 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
388 that occur in abnormal PHIs should be varying.
390 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
392 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
394 (simple_iv): Take loop as an argument instead of statement.
395 * tree-scalar-evolution.h (simple_iv): Declaration changed.
396 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
398 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
400 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
401 * matrix-reorg.c (analyze_transpose): Ditto.
402 * tree-data-ref.c (dr_analyze_innermost): Ditto.
403 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
404 * tree-predcom.c (ref_at_iteration): Ditto.
405 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
407 2009-03-04 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/39358
410 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
411 escaped_id and callused_id.
412 (solve_graph): Likewise.
414 2009-03-04 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/39339
417 * tree-sra.c (try_instantiate_multiple_fields): Make it
418 no longer ICE on the above.
420 2009-03-03 Joseph Myers <joseph@codesourcery.com>
422 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
423 that fits within Pmode.
425 2009-03-03 Steve Ellcey <sje@cup.hp.com>
428 * tm.texi (LIBCALL_VALUE): Update description.
430 2009-03-03 Steve Ellcey <sje@cup.hp.com>
433 * doc/extend.texi (section): Update description.
435 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
438 * tree-inline.c (remapped_type): New.
439 (can_be_nonlocal): Call remapped_type instead of remap_type.
441 2009-03-03 Jakub Jelinek <jakub@redhat.com>
444 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
445 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
447 2009-03-03 Richard Guenther <rguenther@suse.de>
450 * tree.c (tree_nonartificial_location): New function.
451 * tree.h (tree_nonartificial_location): Declare.
452 * builtins.c (expand_builtin_memory_chk): Provide location
453 of the call location for artificial function pieces.
454 (maybe_emit_chk_warning): Likewise.
455 (maybe_emit_sprintf_chk_warning): Likewise.
456 (maybe_emit_free_warning): Likewise.
457 * expr.c (expand_expr_real_1): Likewise.
459 2009-03-03 Jakub Jelinek <jakub@redhat.com>
461 PR tree-optimization/39343
462 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
463 COMPONENT_REF t has ARRAY_TYPE.
465 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
468 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
469 when the type precision of the induction variable should be
470 larger than the type precision of nit.
471 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
472 * graphite.c (graphite_loop_normal_form): Same.
473 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
475 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
477 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
478 (*call_1_rex64_ms_sysv): Use named constants instead of magic
479 numbers to describe clobbered registers.
480 (*call_value_0_rex64_ms_sysv): Ditto.
481 * config/i386/mmx.md (mmx_emms): Ditto.
484 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
486 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
489 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
491 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
492 (spu_section_type_flags): New function.
494 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
496 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
497 reg_class_contents of FLOAT_REGS into a temporary.
499 2009-03-02 Richard Guenther <rguenther@suse.de>
500 Ira Rosen <irar@il.ibm.com>
502 PR tree-optimization/39318
503 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
504 information to the vectorized statement.
506 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
508 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
509 variable. Use defined names instead of magic constants for REX SSE
512 2009-03-01 Richard Guenther <rguenther@suse.de>
514 PR tree-optimization/39331
515 * omp-low.c (lower_send_shared_vars): Do not receive new
516 values for the reference of DECL_BY_REFERENCE parms or results.
518 2009-03-01 Jan Hubicka <jh@suse.cz>
521 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
522 BLOCK_NONLOCALIZED_VAR): New macros.
523 (tree_block): Add nonlocalized_vars.
524 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
525 gen_decl_die): Add origin argument. Allow generation of die with
527 (gen_member_die, gen_type_die_with_usage, force_decl_die,
528 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
530 (gen_block_die): Fix checking for unused blocks.
531 (process_scope_var): Break out from .... ; work with origins only.
532 (decls_for_scope) ... here; process nonlocalized list.
533 (dwarf2out_ignore_block): Look for nonlocalized vars.
534 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
536 (dump_scope_block): Dump them.
537 * tree-inline.c (remap_decls): Handle nonlocalized vars.
538 (remap_block): Likewise.
539 (can_be_nonlocal): New predicate.
540 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
542 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
544 * configure: Regenerate.
546 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
548 * optc-gen.awk: No need to duplicate option flags twice.
549 Reuse help texts for duplicate options which do not have any.
551 * gcc.c (display_help): Document --version.
553 * gcc.c (main): If print_help_list and verbose_flag, ensure
554 driver output comes before subprocess output.
556 * optc-gen.awk: Assign all remaining fields to help string,
557 space-separated, for multi-line help in *.opt.
559 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
560 -Wno-pedantic-ms-format is for MinGW targets only.
562 * doc/options.texi (Option file format): Fix bad indentation,
563 restoring dropped sentence.
565 2009-02-28 Jan Hubicka <jh@suse.cz>
567 * tree-inline.c (tree_function_versioning): Output debug info.
569 2009-02-28 Jan Hubicka <jh@suse.cz>
572 * tree-inline.c (setup_one_parameter): Do not copy propagate
573 arguments when not optimizing.
575 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
578 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
579 (avx_addsubv4df3): Likewise.
580 (*avx_addsubv4sf3): Likewise.
581 (sse3_addsubv4sf3): Likewise.
582 (*avx_addsubv2df3): Likewise.
583 (sse3_addsubv2df3): Likewise.
584 (avx_unpckhps256): Correct item selectors.
585 (avx_unpcklps256): Likewise.
586 (avx_unpckhpd256): Likewise.
587 (avx_unpcklpd256): Likewise.
589 2009-02-28 Jan Hubicka <jh@suse.cz>
591 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
593 (copy_arguments_for_versioning): If var is declared don't declare it.
594 (tree_function_versioning): First setup substitutions and then copy
597 2009-02-27 Jan Hubicka <jh@suse.cz>
600 * cgraph.h (varpool_output_debug_info): Remove.
601 * cgraphunit.c (varpool_output_debug_info): Remove.
602 * dwarf2out.c (deferred_locations_struct): New struct
603 (deferred_locations): New type.
604 (deferred_locations_list): New static var.
605 (deffer_location): New function.
606 (gen_variable_die): Use it.
607 (decls_for_scope): Output info on local static vars.
608 (dwarf2out_finish): Process deferred locations.
609 * varpool.c (varpool_output_debug_info): Remove.
611 2009-02-27 Jan Hubicka <jh@suse.cz>
614 * tree.h (TREE_PROTECTED): Fix comment.
615 (BLOCK_HANDLER_BLOCK): Remove.
616 (struct tree_block): Remove handler_block add body_block.
617 (inlined_function_outer_scope_p): New.
618 (is_body_block): Remove.
619 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
620 * dwarf2out.c (is_inlined_entry_point): Remove.
621 (add_high_low_attributes): Use inlined_function_outer_scope_p.
622 (gen_block_die): Use is_inlined_entry_point check. Remove body block
624 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
625 * gimplify.c (gimplify_expr): Gimplify body blocks.
626 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
627 block with multiple subblocks.
628 (dump_scope_block): Prettier output; dump more flags and info.
629 (dump_scope_blocks): New.
630 (remove_unused_locals): Use dump_scope_blocks.
631 * tree-flow.h (dump_scope_blocks): Declare.
632 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
633 * stmt.c (is_body_block): Remove.
634 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
635 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
637 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
640 * graphite.c (graphite_loop_normal_form): Do not call
641 number_of_iterations_exit from a gcc_assert.
643 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
645 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
646 jumps if COND is NULL.
647 (find_cond_jump): New function.
648 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
649 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
651 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
653 * config/alpha/alpha.h (alpha_expand_mov): Return false if
654 force_const_mem returns NULL_RTX.
656 2009-02-26 Jan Hubicka <jh@suse.cz>
659 * cgraph.h (varpool_output_debug_info): Remove.
660 * cgraphunit.c (varpool_output_debug_info): Remove.
661 * dwarf2out.c (deferred_locations_struct): New struct
662 (deferred_locations): New type.
663 (deferred_locations_list): New static var.
664 (deffer_location): New function.
665 (gen_variable_die): Use it.
666 (decls_for_scope): Output info on local static vars.
667 (dwarf2out_finish): Process deferred locations.
668 * varpool.c (varpool_output_debug_info): Remove.
670 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
672 PR rtl-optimization/39241
673 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
674 to subreg_offset_representable_p.
676 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
678 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
679 execute function prototype. Get f and nregs from max_reg_num
680 and get_insns. Remove the first backward pass as it's dead,
681 guard the forward pass by flag_expensive_optimizations.
682 (rest_of_handle_regmove): Delete.
683 (pass_regmove): Replace it with regmove_optimize.
685 2009-02-25 Martin Jambor <mjambor@suse.cz>
687 PR tree-optimization/39259
688 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
689 calls_alloca function flags.
690 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
693 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
695 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
696 flags_set_1_rtx, flags_set_1_set): Delete.
697 (regmove_optimize): Do not call mark_flags_life_zones.
699 2009-02-24 Julian Brown <julian@codesourcery.com>
702 * config/arm/arm.c (require_pic_register): Only set
703 cfun->machine->pic_reg once per function.
705 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
707 * doc/invoke.texi (Link Options): Document an easier way to pass
708 options that take arguments to the GNU linker using -Xlinker and -Wl.
710 2009-02-24 Steve Ellcey <sje@cup.hp.com>
713 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
715 2009-02-24 Richard Guenther <rguenther@suse.de>
718 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
720 2009-02-24 Richard Guenther <rguenther@suse.de>
721 Zdenek Dvorak <ook@ucw.cz>
723 PR tree-optimization/39233
724 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
725 from converting them to a generic type.
727 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
729 PR tree-optimization/39260
730 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
731 contains a condition with a real type.
732 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
734 2009-02-23 Jason Merrill <jason@redhat.com>
737 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
738 narrowing_initializer_constant_valid_p.
739 (narrowing_initializer_constant_valid_p): Don't return
740 null_pointer_node for adding a pointer to itself.
742 2009-02-23 Jan Hubicka <jh@suse.cz>
745 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
748 2009-02-23 Jan Hubicka <jh@suse.cz>
750 PR tree-optimization/37709
751 * tree.c (block_ultimate_origin): Move here from dwarf2out.
752 * tree.h (block_ultimate_origin): Declare.
753 * dwarf2out.c (block_ultimate_origin): Move to tree.c
754 * tree-ssa-live.c (remove_unused_scope_block_p):
755 Eliminate blocks containig no instructions nor live variables nor
757 (dump_scope_block): New function.
758 (remove_unused_locals): Enable removal of dead blocks by default;
759 enable dumping at TDF_DETAILS.
761 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
763 * config/i386/i386.c (classify_argument): Don't allow COImode
765 (function_arg_advance_32): Don't allow OImode.
766 (function_arg_32): Likewise.
767 (function_value_32): Likewise.
768 (return_in_memory_32): Likewise.
769 (function_arg_64): Remove OImode comment.
771 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
774 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
775 ix86_expand_vector_set for V4DImode in 64bit mode only.
776 (ix86_expand_vector_init_one_var): Likewise.
778 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
780 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
782 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
785 * loop-iv.c: Revert last change.
786 * emit-rtl.c: Likewise.
788 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
791 * config/i386/i386.c (type_natural_mode): Remove an extra
792 space in the warning message.
793 (function_value_32): Handle 32-byte vector modes.
794 (return_in_memory_32): Likewise.
796 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
798 * loop-iv.c (truncate_value): New function.
799 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
801 (lowpart_subreg): Move to...
802 * emit-rtl.c: ...here.
804 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
806 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
807 accidental and undocumented change at revision 140860.
809 2009-02-21 Joseph Myers <joseph@codesourcery.com>
811 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
812 take gimple_seq * arguments.
813 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
814 types_compatible_p langhook.
816 2009-02-20 Mark Mitchell <mark@codesourcery.com>
817 Joseph Myers <joseph@codesourcery.com>
819 * config/arm/arm.c (arm_builtin_va_list): New function.
820 (arm_expand_builtin_va_start): Likewise.
821 (arm_gimplify_va_arg_expr): Likewise.
822 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
823 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
824 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
825 (va_list_type): New variable.
826 (arm_mangle_type): Mangle va_list_type appropriately.
828 2009-02-20 Jakub Jelinek <jakub@redhat.com>
831 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
832 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
833 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
834 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
835 parameter to 1000 for -O1 by default.
836 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
838 * loop-invariant.c: Include params.h.
839 (move_loop_invariants): Don't call move_single_loop_invariants on
842 2009-02-20 Jaka Mocnik <jaka@xlab.si>
844 * calls.c (emit_library_call_value_1): Use slot_offset instead of
845 offset when calculating bounds for indexing stack_usage_map. Fixes
846 a buffer overflow with certain target setups.
848 2009-02-20 Jakub Jelinek <jakub@redhat.com>
851 * calls.c (expand_call): Clear try_tail_call if caller and callee
852 disagree in promotion of function return value.
854 2009-02-19 Jakub Jelinek <jakub@redhat.com>
857 * c-common.c (c_determine_visibility): If visibility changed and
858 DECL_RTL has been already set, call make_decl_rtl to update symbol
861 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
864 * varasm.c (assemble_variable): Don't check DECL_NAME when
865 globalizing a variable.
867 2009-02-19 Joseph Myers <joseph@codesourcery.com>
870 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
871 expression before any __builtin_trap call.
872 * c-typeck.c (build_function_call): Convert and check function
873 arguments before generating a call to a trap. Evaluate the
874 function arguments before the trap.
876 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
879 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
880 (UNSPEC_FXAM_MEM): New unspec.
881 (fxam<mode>2_i387_with_temp): New insn and split pattern.
882 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
883 memory using fxam<mode>2_i387_with_temp to remove excess precision.
885 2009-02-19 Richard Guenther <rguenther@suse.de>
887 PR tree-optimization/39207
888 PR tree-optimization/39074
889 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
890 storedanything_tree): New.
891 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
892 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
893 (build_succ_graph): Add edges from STOREDANYTHING to all
895 (init_base_vars): Initialize STOREDANYTHING.
896 (compute_points_to_sets): Free substitution info after
897 building the succ graph.
898 (ipa_pta_execute): Likewise.
900 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
902 (do_ds_constraint): Do not add to special var or non-pointer
904 (type_could_have_pointers): Split out from ...
905 (could_have_pointers): ... here. For arrays use the element type.
906 (create_variable_info_for): Initialize may_have_pointers.
907 (new_var_info): Likewise.
908 (handle_lhs_call): Make the HEAP variable unknown-sized.
909 (intra_create_variable_infos): Use a type with pointers for
910 PARM_NOALIAS, make it unknown-sized.
912 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
915 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
917 2009-02-18 Jason Merrill <jason@redhat.com>
920 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
921 value if DECL_EXTERNAL.
922 * tree-sra.c (sra_walk_gimple_assign): Likewise.
923 * target.h (gcc_target::binds_local_p): Clarify "module".
924 * tree.h (TREE_PUBLIC): Clarify "module".
926 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
929 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
930 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
932 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
935 * c.opt (Wabi): Support C and ObjC.
938 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
940 * config/i386/i386.c (classify_argument): Warn once about the ABI
941 change when passing union with long double.
943 * doc/invoke.texi: Update -Wabi for warning psABI changes.
945 2009-02-18 Joseph Myers <joseph@codesourcery.com>
948 * c-parser.c (c_parser_compound_statement): Always enter and leave
951 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
954 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
956 2009-02-18 Jakub Jelinek <jakub@redhat.com>
958 PR tree-optimization/36922
959 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
960 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
963 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
965 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
968 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
970 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
972 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
974 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
977 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
978 Richard Sandiford <rdsandiford@googlemail.com>
980 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
981 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
982 (loongson_biadd): ...this.
984 2009-02-17 Richard Guenther <rguenther@suse.de>
986 PR tree-optimization/39202
987 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
988 a var make sure to follow existing collapses.
990 2009-02-17 Richard Guenther <rguenther@suse.de>
993 * langhooks.c (lhd_print_error_function): Check for NULL block.
995 2009-02-17 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/39204
998 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1001 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1003 * config/soft-fp/double.h: Update from glibc CVS.
1005 2009-02-17 Richard Guenther <rguenther@suse.de>
1007 PR tree-optimization/39207
1008 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1009 strict-aliasing warnings for pointers pointing to NULL.
1011 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1014 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1015 skipping until next close brace.
1017 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1020 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1021 to function argument boundary.
1023 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1025 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1026 in the lea_add. Reload eventually constraints it properly.
1027 * config/picochip/constraints.md : Remove the target constraint
1028 "b", since it is not needed anymore.
1030 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1032 * gthr-dce.h: Uglify function parameter and local variable names.
1033 * gthr-gnat.h: Likewise.
1034 * gthr-mipssde.h: Likewise.
1035 * gthr-nks.h: Likewise.
1036 * gthr-posix95.h: Likewise.
1037 * gthr-posix.h: Likewise.
1038 * gthr-rtems.h: Likewise.
1039 * gthr-single.h: Likewise.
1040 * gthr-solaris.h: Likewise.
1041 * gthr-tpf.h: Likewise.
1042 * gthr-vxworks.h: Likewise.
1043 * gthr-win32.h: Likewise.
1045 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1048 * config/i386/i386.md: Restrict the new peephole2 to move
1049 between MMX/SSE registers.
1051 2009-02-15 Richard Guenther <rguenther@suse.de>
1054 2009-02-13 Richard Guenther <rguenther@suse.de>
1056 * configure.ac: Enable LFS.
1057 * configure: Re-generate.
1058 * config.in: Likewise.
1060 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1062 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1063 spu_srqwbyte, spu_srqwbytebc): Define.
1064 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1065 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1066 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1067 "shrqby_<mode>"): New insn-and-split patterns.
1068 * config/spu/spu.c (expand_builtin_args): Determine and return
1069 number of operands using spu_builtin_description data.
1070 (spu_expand_builtin_1): Use it.
1072 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1075 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1078 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1081 * config/i386/i386.c (override_options): Correct warning
1082 messages for -malign-loops, -malign-jumps and -malign-functions.
1084 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1087 * config/i386/i386.md: Restrict the new peephole2 to move
1088 between the general purpose registers.
1090 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1093 * config/i386/i386.c (type_natural_mode): Add a new argument.
1094 Return the original mode and warn ABI change if vector size is 32byte.
1095 (function_arg_advance): Updated.
1096 (function_arg): Likewise.
1097 (ix86_function_value): Likewise.
1098 (ix86_return_in_memory): Likewise.
1099 (ix86_sol10_return_in_memory): Likewise.
1100 (ix86_gimplify_va_arg): Likewise.
1101 (function_arg_32): Don't warn ABX ABI change here.
1102 (function_arg_64): Likewise.
1104 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1106 * loop-iv.c (implies_p): In the final case, test that operands 0
1107 of the two comparisons match.
1109 * config/bfin/bfin.c (find_prev_insn_start): New function.
1110 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1111 (find_next_insn_start): Move.
1113 2009-02-13 Richard Guenther <rguenther@suse.de>
1115 * configure.ac: Enable LFS.
1116 * configure: Re-generate.
1117 * config.in: Likewise.
1119 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1122 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1123 sizes on syntax error after some arguments have been parsed.
1125 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1127 * doc/invoke.texi (-fira): Remove.
1129 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1131 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1132 * recog.c: Likewise.
1135 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1137 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1138 (umul_ppmm): Likewise.
1139 (count_leading_zeros): Likewise.
1140 (count_trailing_zeros): Likewise.
1141 (UMUL_TIME): Likewise.
1143 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1145 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1146 soft-fp/t-softfp to tmake_file.
1148 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1149 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1150 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1151 IA64_BUILTIN_INFQ]: New.
1152 (ia64_init_builtins): Initialize __builtin_infq,
1153 __builtin_fabsq and __builtin_copysignq if not HPUX.
1154 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1155 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1157 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1159 (__fixtfti): Likewise.
1160 (__fixunstfti): Likewise.
1161 (__floattitf): Likewise.
1163 * config/ia64/libgcc-glibc.ver: New.
1164 * config/ia64/t-fprules-softfp: Likewise.
1165 * config/ia64/sfp-machine.h: Likewise.
1167 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1168 (LIBGCC2_TF_CEXT): Likewise.
1169 (TF_SIZE): Likewise.
1170 (TARGET_INIT_LIBFUNCS): Likewise.
1172 * config/ia64/t-glibc (SHLINB_MAPFILES):
1173 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1175 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1177 * config/i386/i386.c (construct_container): Rewrite processing
1178 BLKmode with X86_64_SSE_CLASS.
1180 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1183 * config/i386/i386.md: Replace simplify_replace_rtx with
1184 replace_rtx in the new peephole2.
1186 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1188 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1189 loop unrolling do not happen at -O2.
1191 2009-02-12 Michael Matz <matz@suse.de>
1193 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1195 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1197 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1200 2009-02-12 Ben Elliston <bje@au.ibm.com>
1202 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1203 patterns when updating the back chain. Missed in the 2009-02-10
1206 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1208 * doc/extend.texi (Decimal Floating Types): Update identifier of
1209 draft TR and list of missing support.
1211 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1214 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1215 bit to variable length decl's flags, add it also to its
1216 pointer replacement variable.
1218 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1219 Jakub Jelinek <jakub@redhat.com>
1222 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1223 (memory_blockage): New expander.
1224 (*memory_blockage): New insn pattern.
1225 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1226 instead of general blockage at the end of function prologue when
1227 frame pointer is used to access red zone area. Do not emit blockage
1228 when profiling, it is emitted in generic code.
1229 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1230 function epilogue when frame pointer is used to access red zone area.
1232 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1235 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1236 by arithmetic with memory operands.
1237 * config/i386/predicates.md (commutative_operator): New.
1239 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1241 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1244 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1246 * alias.h (record_alias_subset): Declare.
1247 * alias.c (record_alias_subset): Make global.
1249 2009-02-10 Nick Clifton <nickc@redhat.com>
1251 * tree-parloops.c: Change license to GPLv3.
1252 * ipa-struct-reorg.c: Change license to GPLv3.
1253 * ipa-struct-reorg.h: Change license to GPLv3.
1255 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1258 * c-decl.c (start_struct): Return NULL on error.
1260 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1263 * cfgloopmanip.c (remove_path): Call remove_bbs after
1264 cancel_loop_tree, not before it.
1267 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1268 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1269 VAR_DECLs were seen.
1270 * tree-ssa-live.c (remove_unused_locals): Recompute
1271 cfun->has_local_explicit_reg_vars.
1272 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1273 copies or clearings if cfun->has_local_explicit_reg_vars.
1275 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1278 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1279 of function prologue when frame pointer is used to access
1282 2009-02-10 Richard Guenther <rguenther@suse.de>
1285 * gimplify.c (gimple_regimplify_operands): Always look if
1286 we need to create a temporary.
1288 2009-02-10 Richard Guenther <rguenther@suse.de>
1290 PR tree-optimization/39132
1291 * tree-loop-distribution.c (todo): New global var.
1292 (generate_memset_zero): Trigger TODO_rebuild_alias.
1293 (tree_loop_distribution): Return todo.
1295 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1298 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1299 (x86_64_reg_class_name): Removed.
1300 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1301 first one isn't X86_64_SSE_CLASS or any other ones aren't
1302 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1303 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1304 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1305 and 3 X86_64_SSEUP_CLASS.
1306 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1307 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1309 2009-02-10 Ben Elliston <bje@au.ibm.com>
1311 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1312 form instruction to update the stack back chain word, even if the
1313 user has disabled the generation of update instructions.
1314 (movdi_<mode>_update_stack): New.
1315 (movsi_update_stack): Likewise.
1316 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1317 always use an update form instruction to update the stack back
1320 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1323 * graphite.c (if_region_set_false_region): After moving a region in
1324 the false branch of a condition, remove the empty dummy basic block.
1325 (gloog): Remove wrong fix for PR38953.
1327 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1329 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1330 generation due to implicit sign extension.
1332 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1335 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1336 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1338 2009-02-09 Richard Guenther <rguenther@suse.de>
1341 * convert.c (convert_to_real): Disable (float)fn((double)x)
1342 to fnf(x) conversion if errno differences may occur and
1343 -fmath-errno is set.
1345 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1347 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1348 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1349 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1351 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1354 * c-common.c (handle_alias_attribute): Disallow attribute for
1355 anything not a FUNCTION_DECL or VAR_DECL.
1357 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1360 * real.c (do_compare): Special-case compare of zero against
1361 decimal float value.
1363 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1366 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1367 as indicating flexible array members unless the field itself is
1368 being declarared as the incomplete array.
1370 2009-02-06 Jan Hubicka <jh@suse.cz>
1372 PR tree-optimization/38844
1373 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1376 2009-02-06 Richard Guenther <rguenther@suse.de>
1379 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1380 fork because we may expand it as __gcov_fork.
1382 2009-02-06 Nick Clifton <nickc@redhat.com>
1384 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1386 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1388 PR tree-optimization/35659
1389 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1390 vn_phi_eq): Shortcut if hashcode does not match.
1391 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1393 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1394 and avoid iterative_hash_expr.
1395 (FOR_EACH_VALUE_ID_IN_SET): New.
1396 (value_id_compare): Remove.
1397 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1398 sort expressions by value id.
1400 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1403 * config/sh/predicates.md (general_movsrc_operand): Don't check
1404 the subreg of system registers here.
1406 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1409 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1412 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1414 PR rtl-optimization/39110
1415 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1416 addresses, not aligned ones.
1418 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1419 Richard Guenther <rguenther@suse.de>
1421 PR tree-optimization/39100
1422 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1423 comment says and add edges.
1425 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1428 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1429 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1431 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1433 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1434 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1435 register_bb_in_sese, new_sese, free_sese): Moved.
1436 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1437 outermost_loop_in_scop, build_scop_iteration_domain,
1438 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1439 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1440 Use loop_in_sese_p instead of loop_in_scop_p.
1441 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1442 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1443 (scopdet_basic_block_info): Fix bug in scop detection.
1444 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1445 eq_loop_to_cloog_loop): Remove.
1446 (nb_loops_around_loop_in_scop, nb_loop
1447 ref_nb_loops): Moved here...
1448 * graphite.h (ref_nb_loops): ... from here.
1449 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1450 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1451 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1452 * testsuite/gcc.dg/graphite/scop-19.c: New
1454 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1455 Hans-Peter Nilsson <hp@axis.com>
1457 PR rtl-optimization/37889
1458 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1459 Move offset handling from PLUS to before the switch. Use new
1460 arguments when considering SYMBOL_REFs too.
1461 (rtx_addr_can_trap_p): Pass dummy offset and size.
1462 (enum may_trap_p_flags): Remove.
1463 (may_trap_p_1): Pass size from MEM_SIZE.
1465 PR rtl-optimization/38921
1466 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1467 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1468 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1469 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1471 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1473 AVX Programming Reference (January, 2009)
1474 * config/i386/sse.md (*vpclmulqdq): New.
1476 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1478 PR tree-optimization/38977
1479 PR gcov-profile/38292
1480 * calls.c (special_function_p): Disregard __builtin_ prefix.
1482 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1484 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1485 non-indexable addresses even before reload.
1487 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1490 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1491 as having variable size. Do not give an error for unnamed
1492 parameters with [*] declarators. Give a warning for type names
1493 with [*] declarators and mark them as variable size.
1494 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1495 for sizeof applied to [*] type names.
1497 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1500 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1502 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1504 * gcc.c (process_command): Update copyright notice dates.
1505 * gcov.c (print_version): Likewise.
1506 * gcov-dump.c (print_version): Likewise.
1507 * mips-tfile.c (main): Likewise.
1508 * mips-tdump.c (main): Likewise.
1510 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1513 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1514 for composite type involving a zero-length array type.
1516 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1519 * function.c (match_asm_constraints_1): Skip over
1520 initial optional % in the constraint.
1523 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1524 supported, don't accept FIXED_CSTs.
1525 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1526 and _Sat is used without _Fract/_Accum. Set specs->type to
1527 integer_type_node for cts_fract/cts_accum if fixed point is not
1530 2009-02-02 Catherine Moore <clm@codesourcery.com>
1532 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1534 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1536 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1537 (ABI_HAS_64BIT_SYMBOLS): Use it.
1538 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1540 2009-02-02 Paul Brook <paul@codesourcery.com>
1542 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1544 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1547 * recog.h (asm_operand_ok): Add constraints argument.
1548 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1549 recurse on matching constraint.
1550 (check_asm_operands): Pass constraints as 3rd argument to
1551 asm_operand_ok. Don't look up matching constraint here.
1552 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1555 2009-02-02 Ben Elliston <bje@au.ibm.com>
1557 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1558 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1560 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1562 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1563 information. Remove some obsolete information. Reorganize.
1565 * config/pa/fptr.c: Revert license to GPL 2.
1566 * config/pa/milli64.S: Likewise.
1568 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1571 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1572 LIBRARY name in, instead of hard-coding it.
1573 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1574 extra target make frag to tmake_files according to EH model.
1575 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1576 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1577 frags that define makefile variable EH_MODEL appropriately.
1578 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1579 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1580 to "-sjlj" according to type of EH configured.
1581 (LIBGCC_SONAME): Concatenate it to shared library base name.
1582 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1583 to "_sjlj" according to type of EH configured.
1584 (LIBGCC_SONAME): Concatenate it to shared library base name.
1585 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1586 (SHLIB_LINK): Add missing semicolon to if-else construct.
1587 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1588 string value of "pe_dll" command-line option.
1589 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1590 (SHLIB_SONAME): Use it when overriding t-cygming default.
1591 (SHLIB_IMPLIB): Override t-cygming default.
1592 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1593 string value of "pe_dll" command-line option.
1595 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1598 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1599 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1601 2009-01-31 Richard Guenther <rguenther@suse.de>
1603 PR tree-optimization/38937
1604 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1605 computing the transitive closure.
1607 2009-01-30 Richard Guenther <rguenther@suse.de>
1609 PR tree-optimization/39041
1610 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1611 Propagate variable indices only if the types match for this stmt.
1613 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1616 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1617 inline but never defined.
1619 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1621 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1622 (*insv_h_di_reg_extimm): New insn.
1623 (*insv_l<mode>_reg_extimm): New insn.
1625 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1627 * config/picochip/picochip.c (flag_conserve_stack): set
1628 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1629 fconserve-stack. Reduce call-overhead used by inliner.
1631 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1634 * common.opt (flag_conserve_stack): Initialised to zero.
1636 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1639 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1640 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1643 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1645 * ira-color.c (allocno_reload_assign): Update comments.
1646 * regmove.c (regmove_optimize): Likewise.
1650 2009-01-29 Robert Millan <rmh@aybabtu.com>
1652 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1653 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1654 `MD_UNWIND_SUPPORT'.
1655 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1657 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1659 PR tree-optimization/39007
1660 * tree-loop-distribution.c (generate_builtin): Use
1661 recompute_dominator to compute the immediate dominator of the
1662 basic block just after the loop.
1664 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1666 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1667 (ASM_OUTPUT_DWARF_PCREL): Define.
1669 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1671 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1672 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1673 global. Modify entries about regmove and IRA.
1675 * ra-conflict.c: Remove the file.
1677 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1679 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1680 (pass_regclass_init): Rename to pass_reginfo_init.
1682 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1684 * toplev.h (flag_ira): Remove.
1686 * caller-save.c (setup_save_areas): Remove flag_ira.
1688 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1690 * global.c: Remove the file.
1692 * opts.c: (decode_options): Remove flag_ira.
1694 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1696 * regmove.c: Modify file description.
1697 (find_use_as_address, try_auto_increment): Define them only if
1698 AUTO_INC_DEC is defined.
1699 (replacement_quality, replace_in_call_usage, fixup_match_1,
1700 stable_and_no_regs_but_for_p): Remove.
1701 (reg_set_in_bb): Make it static.
1702 (regmove_optimize): Remove flag_ira and code which worked for
1705 * local-alloc.c: Remove the file.
1707 * common.opt (fira): Remove.
1709 * ira.c: Include except.h.
1710 (eliminable_regset): Move from global.c.
1711 (mark_elimination): Ditto. Remove flag_ira.
1712 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1713 equiv_mem_modified, validate_equiv_mem_from_store,
1714 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1715 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1716 no_equiv, recorded_label_ref): Move from local-alloc.c.
1717 (update_equiv_regs): Ditto. Make it static.
1718 (print_insn_chain, print_insn_chains): Move it from global.c.
1719 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1720 (build_insn_chain): Ditto. Make it static.
1721 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1722 Rename to init_live_subregs.
1723 (gate_ira): Remove flag_ira.
1725 * regclass.c: Rename reginfo.c. Change file description.
1726 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1727 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1728 (init_reg_sets_1): Remove code for evaluation of
1729 reg_class_superclasses and losing_caller_save_reg_set.
1730 (init_regs): Remove init_reg_autoinc.
1731 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1732 ok_for_base_p_nonstrict): Remove.
1733 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1734 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1735 corresponding entries.
1736 (dump_regclass, record_operand_costs, scan_one_insn,
1737 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1738 record_address_regs, auto_inc_dec_reg_p): Remove.
1739 (gt-regclass.h): Rename to gt-reginfo.h.
1741 * rtl.h (dump_global_regs, retry_global_alloc,
1742 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1744 * Makefile.in (RA_H): Remove.
1745 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1746 Rename regclass.o to reginfo.o.
1747 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1749 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1750 (GTFILES): Rename regclass.c to reginfo.c.
1752 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1753 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1755 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1756 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1758 (finish_spills): Ditto. Remove code for !flag_ira.
1760 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1763 * doc/invoke.texi (rtl debug options): Complete rewrite.
1764 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1766 * mode-switching.c (pass_mode_switching): Rename pass from
1767 "mode-sw" to "mode_sw".
1768 * except.c (pass_convert_to_eh_ranges): Rename pass from
1769 "eh-ranges" to "eh_ranges".
1770 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1774 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1775 Alexander Monakov <amonakov@ispras.ru>
1778 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1780 (move_exprs_to_boundary): Change return type and pass through
1781 should_move from move_op. Relax assert. Update usage ...
1782 (schedule_expr_on_boundary): ... here. Use should_move instead of
1784 (move_op_orig_expr_found): Indicate that insn was disconnected from
1786 (code_motion_process_successors): Do not call after_merge_succs
1787 callback if original expression was not found when traversing any of
1789 (code_motion_path_driver): Change return type. Update prototype.
1790 (move_op): Update comment. Add a new parameter (should_move). Update
1791 prototype. Set *should_move based on indication provided by
1792 move_op_orig_expr_found.
1794 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1796 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1797 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1798 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1799 * config/rs6000/rs6000.c (rs6000_override_options): Default
1800 avoid-indexed-addresses on for Power6, off for everything else.
1801 (avoiding_indexed_address_p): New function.
1802 (rs6000_legitimize_address): Use it.
1803 (rs6000_legitimate_address): Likewise.
1804 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1806 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1808 PR tree-optimization/38997
1809 * tree-loop-distribution.c (generate_memset_zero): Use
1810 POINTER_PLUS_EXPR for a pointer addition.
1812 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1814 * config/s390/s390.md (bswap<mode>2): New pattern added.
1816 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1818 * config/s390/s390.md (*tls_load_31): Added type attribute.
1820 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1822 * config/s390/s390.md: Fix a few comments.
1824 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1826 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1827 (*tm<mode>_full): Fixed z10prop attribute.
1828 (*tst<mode>_extimm): Fixed z10prop attribute.
1829 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1830 (*tstqiCCT_cconly): Fixed z10prop attribute.
1831 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1832 (*movsi_larl): Fixed z10prop attribute.
1833 (*movsi_zarch): Fixed z10prop attribute.
1834 (*movsi_eas): Fixed z10prop attribute.
1835 (*movhi): Fixed z10prop attribute.
1836 (*movqi): Fixed z10prop attribute.
1837 (*movstrictqi): Fixed z10prop attribute.
1838 (*mov<mode>): Fixed z10prop attribute.
1839 (*movcc): Fixed z10prop attribute.
1840 (*sethighpartdi_64): Fixed z10prop attribute.
1841 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1842 (*negdi2_sign_cc): Fixed z10prop attribute.
1843 (*negdi2_sign): Fixed z10prop attribute.
1844 (*absdi2_sign_cc): Fixed z10prop attribute.
1845 (*absdi2_sign): Fixed z10prop attribute.
1846 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1847 (*negabsdi2_sign): Fixed z10prop attribute.
1848 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1849 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1850 (doloop_si64): Fixed z10prop attribute.
1851 (doloop_si31): Fixed z10prop attribute.
1852 (doloop_long): Fixed z10prop attribute.
1853 (indirect_jump): Fixed z10prop attribute.
1854 (nop): Fixed z10prop attribute.
1855 (main_base_64): Fixed z10prop attribute.
1856 (reload_base_64): Fixed z10prop attribute.
1858 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1860 PR rtl-optimization/38740
1861 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1863 * config/mips/mips.c (mips_reorg): Likewise.
1865 2009-01-28 Richard Guenther <rguenther@suse.de>
1867 PR tree-optimization/38926
1868 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1869 with the correct value id to a value.
1870 (do_regular_insertion): Use the value number of edoubleprime
1871 for the value number of the expr.
1874 2008-08-21 Richard Guenther <rguenther@suse.de>
1876 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1877 a PHI ask VN if it is already available.
1878 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1879 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1881 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1884 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1885 set to varying whenever max has TREE_OVERFLOW set, similarly
1886 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1888 2009-01-28 Richard Guenther <rguenther@suse.de>
1891 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1892 uninitialized aggregate uses in call arguments.
1894 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1896 PR tree-optimization/38984
1897 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1898 the nothing_id variable if -fno-delete-null-pointer-checks.
1900 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1903 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1904 (set_got_offset_rex64): Ditto.
1906 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1909 * doc/extend.texi: Improve local variable with asm reg.
1911 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1913 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1914 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1915 was not supplied then set warn_packed_bitfield_compat to the
1917 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1920 2009-01-27 Richard Guenther <rguenther@suse.de>
1922 PR tree-optimization/38503
1923 * cfgexpand.c (expand_gimple_basic_block): Ignore
1924 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1925 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1926 variables that cannot have TBAA applied.
1927 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1930 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1933 * calls.c (initialize_argument_information): Do not wrap complex
1934 arguments in SAVE_EXPR.
1936 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1938 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1939 (INSTALL_LIBGCC): Revert typo commit.
1941 2009-01-26 Richard Guenther <rguenther@suse.de>
1943 PR tree-optimization/38745
1944 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1945 from special handling.
1947 2009-01-26 Richard Guenther <rguenther@suse.de>
1949 PR tree-optimization/38745
1950 * tree-ssa.c (execute_update_addresses_taken): Do not include
1951 variables that cannot possibly be a register in not_reg_needs.
1952 Do not clear TREE_ADDRESSABLE on vars that may not become
1954 * tree-ssa.c (update_alias_info_1): Include those in the set
1955 of addressable vars.
1957 2009-01-26 Richard Guenther <rguenther@suse.de>
1960 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1961 * tree-ssa-dse.c: Include langhooks.h
1962 (execute_simple_dse): Remove stores with zero size.
1964 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1967 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1970 2009-01-24 Julian Brown <julian@codesourcery.com>
1972 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1973 config/arm/linux-atomic.c.
1974 * config/arm/linux-atomic.c: New.
1976 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1978 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1979 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1980 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1982 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1985 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1988 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1990 PR tree-optimization/38953
1991 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1992 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1993 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1994 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1997 2009-01-24 Paul Brook <paul@codesourcery.com>
1999 * config/arm/neon.md (neon_type): Move to arm.md.
2000 (neon_mov<VSTRUCT>): Add neon_type attribute.
2001 * config/arm/arm.md (neon_type): Move to here.
2002 (conds): Add "unconditioal" and use as default for NEON insns.
2004 2009-01-24 Ben Elliston <bje@au.ibm.com>
2006 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2007 void *' warning from -Wc++-compat.
2008 * Makefile.in (dominance.o-warn): Remove.
2010 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2012 PR tree-optimization/38932
2013 * fold-const.c (fold_unary_ignore_overflow): New.
2014 * tree.h (fold_unary_ignore_overflow): Declare.
2015 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2016 * tree-ssa-sccvn.c (visit_reference_op_load,
2017 simplify_unary_expression): Likewise.
2019 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2021 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2022 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2023 regardless of their type.
2024 * c-common.c (handle_packed_attribute): Don't ignore packed on
2026 * c.opt (Wpacked-bitfield-compat): New warning option.
2027 * stor-layout.c (place_field): Warn if offset of a field changed.
2028 * doc/extend.texi (packed): Mention the ABI change.
2029 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2030 (Warning Options): Add it to the list.
2032 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2034 * c-opts.c (c_common_post_options): Fix a typo in comments.
2036 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2039 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2040 variables to static.
2041 * doc/invoke.texi (-fmerge-all-constants): Update description.
2043 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2046 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2047 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2049 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2051 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2053 (LOCAL_ALIGNMENT): Similarly.
2055 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2056 Joseph Myers <joseph@codesourcery.com>
2058 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2059 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2060 * config/arm/arm-tune.md: Regenerate.
2061 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2064 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2066 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2067 version number to five.
2069 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2072 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2073 * c-common.c (set_underlying_type): Likewise.
2074 (is_typedef_decl ): Likewise
2076 (set_underlying_type): Likewise.
2077 (is_typedef_type): Likewise.
2079 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2082 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2085 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2088 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2089 (LIBGCC_SPEC): Don't define.
2090 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2092 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2094 PR rtl-optimization/38879
2095 * alias.c (base_alias_check): Unaligned access via AND address can
2096 alias all surrounding object types except those with sizes equal
2097 or wider than the size of unaligned access.
2099 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2102 * c-decl.c: (clone_underlying_type): Move this ...
2103 * c-common.c (set_underlying_type): ... here.
2104 Also, make sure the function properly sets TYPE_STUB_DECL() on
2105 the newly created typedef variant type.
2106 (is_typedef_decl ): New entry point.
2107 * tree.h: Added a new member member_types_needing_access_check to
2108 struct tree_decl_non_common.
2109 (set_underlying_type): New entry point.
2110 (is_typedef_type): Likewise.
2112 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2114 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2115 Check whether two instructions have memory references that
2116 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2117 are helper functions for traversing.
2118 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2119 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2120 not to draw dependency edge for instructions with non-conflicting
2123 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2126 * longlong.h: Update copyright years. Use soft-fp license notice.
2127 Sync __clz_tab declaration with glibc.
2129 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2132 * doc/extend.texi (syscall_linkage): New.
2133 (version_id): Modify.
2135 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2136 Richard Guenther <rguenther@suse.de>
2138 PR tree-optimization/38747
2139 PR tree-optimization/38748
2140 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2141 conversion if the base address is an indirect reference and the
2142 aliasing sets could cause issues.
2144 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2146 * common.opt (fgraphite, fgraphite-identity): Add comment for
2147 explaining why these options are not documented.
2149 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2151 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2152 gimple_call_lhs is NULL.
2154 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2157 * emit-rtl.c (adjust_address_1): Make sure memref is never
2160 2009-01-20 Ben Elliston <bje@au.ibm.com>
2162 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2163 const qualifier from arg parameter. Remove unnecessary cast to char *.
2164 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2165 const qualifier from arg 2.
2167 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2169 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2171 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2174 * rtl.h (reinit_regs): New prototype.
2175 * regclass.c: Include ira.h.
2177 * Makefile.in (regclass.o): Add ira.h.
2178 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2180 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2183 * c-common.c (handle_aligned_attribute): Use
2184 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2185 default alignment value.
2187 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2189 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2190 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2192 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2193 __BIGGEST_ALIGNMENT__.
2195 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2197 2009-01-18 Richard Guenther <rguenther@suse.de>
2199 PR tree-optimization/38819
2200 * tree-flow.h (operation_could_trap_helper_p): Declare.
2201 * tree-eh.c (operation_could_trap_helper_p): Export.
2202 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2203 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2204 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2205 are about to insert a possibly trapping instruction and fail
2208 2009-01-18 Andreas Schwab <schwab@suse.de>
2210 * doc/install.texi (Configuration): Remove obsolete paragraph
2211 about use of --with-gnu-ld with --with-gnu-as.
2213 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2215 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2216 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2217 Follow spelling conventions.
2219 2009-01-18 Ben Elliston <bje@au.ibm.com>
2221 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2222 C++ warning about implicit conversion from void * to struct
2224 (bitmap_obstack_free): Likewise for bitmap_element *.
2225 * Makefile.in (bitmap.o-warn): Remove.
2227 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2229 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2231 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2232 Tobias Grosser <tobi.grosser@amd.com>
2234 * graphite.c (graphite_trans_scop_block): Do not block single
2237 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2239 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2240 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2241 test with assertion.
2243 2009-01-16 Richard Guenther <rguenther@suse.de>
2245 PR tree-optimization/38835
2247 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2248 and INT + PTR -> (INT)(PTR p+ INT) folding.
2249 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2251 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2254 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2255 the subreg from a lowpart subreg if it is also casting the value.
2257 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2258 Tobias Grosser <tobi.grosser@amd.com>
2260 * graphite.c (compare_prefix_loops): New.
2261 (build_scop_canonical_schedules): Rewritten.
2262 (graphite_transform_loops): Move build_scop_canonical_schedules
2263 after build_scop_iteration_domain.
2265 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2266 Tobias Grosser <tobi.grosser@amd.com>
2268 * graphite.c (add_conditions_to_domain): Add the loops to
2269 the dimension of the iteration domain. Do copy the domain
2270 only when it exists.
2271 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2272 (add_conditions_to_constraints): New.
2273 (can_generate_code_stmt, can_generate_code): Removed.
2274 (gloog): Do not call can_generate_code.
2275 (graphite_transform_loops): Call add_conditions_to_constraints
2276 after building the iteration domain.
2278 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2280 PR tree-optimization/38789
2281 * tree-ssa-threadedge.c
2282 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2283 __builtin_constant_p.
2285 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2287 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2288 examined before deleting them.
2290 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2292 * function.c (aggregate_value_p): Correctly extract the function
2293 type from CALL_EXPR_FN lookup.
2295 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2297 * config/picochip/picochip.c (picochip_override_options): Revert
2298 CFI asm flag disable commited previously.
2300 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2301 Tobias Grosser <tobi.grosser@amd.com>
2302 Jan Sjodin <jan.sjodin@amd.com>
2304 * graphite.c (scan_tree_for_params): On substractions negate
2305 all the coefficients of the term.
2306 (clast_to_gcc_expression_red): New. Handle reduction expressions
2307 of more than two operands.
2308 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2309 (get_vdef_before_scop): Handle also the case of default definitions.
2311 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2313 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2314 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2315 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2317 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2318 Joey Ye <joey.ye@intel.com>
2321 * cfgexpand.c (expand_stack_alignment): Don't update stack
2322 boundary nor check incoming stack boundary here.
2323 (gimple_expand_cfg): Update stack boundary and check incoming
2324 stack boundary here.
2326 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2328 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2330 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2332 PR rtl-optimization/38245
2333 * calls.c (expand_call): Add stack arguments to
2334 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2335 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2336 in regs and partially in memory or BLKmode arguments.
2337 (emit_library_call_value_1): Add stack arguments to
2338 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2339 ACCUMULATE_OUTGOING_ARGS).
2340 * dce.c: Include tm_p.h.
2341 (find_call_stack_args): New function.
2342 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2344 (mark_insn): Call find_call_stack_args for CALL_Ps.
2345 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2346 forwards. Allocate and free arg_stores bitmap if needed, pass it
2347 down to deletable_insn_p, don't mark stores set in arg_stores
2348 bitmap, clear the bitmap at the beginning of each bb.
2349 * Makefile.in (dce.o): Depend on $(TM_P_H).
2351 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2354 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2355 to make sure the insn is a conditional test (bug 22599). Reformat a
2358 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2361 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2362 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2363 (gloog): Do not call cleanup_tree_cfg.
2364 (graphite_transform_loops): Call cleanup_tree_cfg after all
2365 scops have been code generated.
2367 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2368 * doc/gty.texi (Invoking the garbage collector): Added new node
2369 and section documenting ggc_collect.
2371 2009-01-14 Richard Guenther <rguenther@suse.de>
2373 PR tree-optimization/38826
2375 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2376 initialization notes only if we actually emitted a warning.
2377 (intra_create_variable_infos): Add constraints for a result decl
2378 that is passed by hidden reference.
2379 (build_pred_graph): Mark all related variables non-direct on
2382 2009-01-14 Nick Clifton <nickc@redhat.com>
2384 * ira-conflicts.c: Include addresses.h for the definition of
2386 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2387 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2389 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2392 * Makefile.in (ira-lives.o): Add except.h.
2394 * ira-lives.c: Include except.h.
2395 (process_bb_node_lives): Process can_throw_internal.
2397 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2399 PR rtl-optimization/38774
2400 * combine.c (simplify_set): When undoing cc_use change, don't do
2401 PUT_CODE on the newly created comparison, but instead put back the
2404 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2406 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2407 values. Remove duplicate arm8 entry.
2409 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2411 PR tree-optimization/38786
2412 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2413 the SSA_NAME case of expand_scalar_variables_expr.
2414 Set the type of an expression to the type of its assign statement.
2415 (expand_scalar_variables_expr): Also gather the scalar computation
2416 used to index the memory access. Do not pass loop_p.
2417 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2418 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2419 the gimple_stmt_iterator where it inserts new code.
2421 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2422 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2424 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2426 * graphite.h (debug_value): Removed.
2427 * graphite.c (debug_value): Removed.
2429 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2431 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2432 ldrd/strd with two 32-bit instructions.
2434 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2436 * config/arm/arm.c (struct processors): Pass for speed down into
2437 cost helper functions.
2438 (const_ok_for_op): Handle COMPARE and inequality nodes.
2439 (arm_rtx_costs_1): Rewrite.
2440 (arm_size_rtx_costs): Update prototype.
2441 (arm_rtx_costs): Pass speed down to helper functions.
2442 (arm_slowmul_rtx_costs): Rework cost calculations.
2443 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2444 (arm_9e_rtx_costs): Likewise.
2446 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2448 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2449 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2450 (alpha_legitimize_address): Do not split local symbols wider than
2451 UNITS_PER_WORD into HIGH/LO_SUM parts.
2453 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2456 * gcc.c (process_command): Replace call to execvp with calls
2457 to pex_one and exit.
2459 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2462 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2463 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2464 variant for devices with 3-byte PC.
2465 (__tablejump_elpm__) : New.
2467 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2470 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2471 offsetof member-designator, handle it as `[0].'.
2473 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2475 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2476 function when not using named sections on targets with named sections
2477 if branch distance is less than 262132.
2479 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2481 * combine.c (combine_instructions): Recompute
2482 optimize_this_for_speed_p for each BB in the main combine loop.
2484 2009-01-12 Tomas Bily <tbily@suse.cz>
2487 * tree-loop-distribution.c (prop_phis): New function.
2488 (generate_builtin): Call prop_phis.
2489 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2491 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2493 PR tree-optimization/38807
2494 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2495 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2497 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2499 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2500 subreg of op0 to the original op0.
2502 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2504 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2506 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2509 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2510 starting with digits.
2512 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2515 * config/arm/arm.c (arm_is_long_call_p): Don't call
2516 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2518 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2520 * regrename.c (regrename_optimize): Fix dumping.
2521 (find_oldest_value_reg): Preserve REG_POINTER.
2522 (copy_hardreg_forward_1): Likewise.
2524 2009-01-09 Diego Novillo <dnovillo@google.com>
2526 * gimple.h (struct gimple_statement_base) <uid>: Document
2527 the restrictions on its use.
2529 (gimple_set_uid): Tidy.
2531 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2533 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2534 zero guard even if align_bytes != 0 and count is smaller than
2537 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2539 PR rtl-optimization/38495
2540 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2541 (add_range_and_copies_from_move_list): Print all added ranges.
2542 Add ranges to memory optimized destination.
2544 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2548 * config/i386/i386.c (override_options): Reject
2549 -mstringop-strategy=rep_8byte with -m32.
2550 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2551 to 1. Do count comparison against epilogue_size_needed at compile
2552 time even when count_exp was constant forced into register. For
2553 size_needed don't jump to epilogue, instead just avoid aligning
2554 and invoke the body algorithm. If need_zero_guard, add zero guard
2555 even if count is non-zero, but smaller than size_needed + number of
2556 bytes that could be stored for alignment.
2557 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2558 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2559 but smaller than size_needed + number of bytes that could be stored
2560 for alignment. Compare size_needed with epilogue_size_needed instead
2561 of desired_align - align, don't adjust size_needed, pass
2562 epilogue_size_needed to the epilogue expanders.
2565 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2567 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2569 * pa.c (last_address): Change to unsigned.
2570 (update_total_code_bytes): Change argument to unsigned. Don't
2571 check if insn addresses are set.
2572 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2573 addresses are not set.
2574 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2576 2009-01-09 Nick Clifton <nickc@redhat.com>
2578 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2579 DECL_DECLARED_INLINE_P.
2581 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2584 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2585 GET_MODE (op0) in operand_subword_force calls.
2588 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2589 fold_convert arg0 operands to TREE_TYPE (op0) first.
2591 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2593 * params.def (ira-max-conflict-table-size): Decrease default value
2596 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2598 PR tree-optimization/37031
2599 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2601 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2602 allocate it using gc instead of heap, use VEC_quick_push instead of
2604 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2605 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2606 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2607 allocated vector from heap allocated.
2608 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2609 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2610 vector only after perfect_loop_nest_depth call.
2612 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2613 Jan Sjodin <jan.sjodin@amd.com>
2615 PR tree-optimization/38559
2616 * graphite.c (debug_value, copy_constraint,
2617 swap_constraint_variables, scale_constraint_variable, ): New.
2618 (get_lower_bound, get_upper_bound): Removed.
2619 (graphite_trans_bb_strip_mine): Clean up this code that works
2620 only for constant number of iterations. Fully copy upper and
2621 lower bound constraints, not only the constant part of them.
2622 * graphite.h (debug_value): Declared.
2624 2009-01-08 Ira Rosen <irar@il.ibm.com>
2626 PR tree-optimization/37194
2627 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2628 Don't add the cost of cost model guard in prologue to scalar
2629 outside cost in case of known number of iterations.
2631 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2632 Alan Modra <amodra@bigpond.net.au>
2634 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2635 non-word-aligned REG+CONST addressing.
2637 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2640 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2641 free_after_compilation when outputting a thunk.
2642 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2643 Do not call free_after_compilation here.
2645 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2647 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2648 (ix86_valid_target_attribute_inner_p): Ditto.
2650 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2652 PR tree-optimization/38492
2653 PR tree-optimization/38498
2654 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2655 * tree-chrec.h (scev_is_linear_expression): Declared.
2656 * graphite.c (graphite_cannot_represent_loop_niter): New.
2657 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2658 (graphite_loop_normal_form): Use gcc_assert.
2659 (scan_tree_for_params): Use CASE_CONVERT.
2660 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2661 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2662 Use gcc_assert. Discard scops that contain unhandled cases.
2663 (build_scop_conditions): Return a boolean status for unhandled cases.
2664 (strip_mine_profitable_p): Print the loop number, not its depth.
2665 (is_interchange_valid): Pass the depth of the loop nest, don't
2666 recompute it wrongly.
2667 (graphite_trans_bb_block): Same.
2668 (graphite_trans_bb_block): Print tentative of loop blocking.
2669 (graphite_trans_scop_block): Do not print that the loop has been
2671 (graphite_transform_loops): Do not handle scops that contain condition
2674 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2676 AVX Programming Reference (December, 2008)
2677 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2678 (_mm256_stream_pd): Likewise.
2679 (_mm256_stream_ps): Likewise.
2681 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2682 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2683 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2684 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2685 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2686 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2687 (ix86_expand_special_args_builtin): Likewise.
2689 * config/i386/sse.md (AVXMODEDI): New.
2690 (avx_movnt<mode>): Likewise.
2691 (avx_movnt<mode>): Likewise.
2692 (<sse>_movnt<mode>): Remove AVX support.
2693 (sse2_movntv2di): Likewise.
2695 2009-01-07 Richard Guenther <rguenther@suse.de>
2698 * fold-const.c (extract_muldiv): Remove obsolete comment.
2699 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2700 to PLUS_EXPR canonicalization for the canonicalization.
2702 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2704 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2705 hosted cross-compilers generating less efficient code.
2707 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2709 * function.h (rtl_data): Add a dbr_scheduled_p field.
2710 * reorg.c (dbr_schedule): Set it.
2711 (gate_handle_delay_slots): Check it.
2712 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2713 (mips_reorg): Check flag_delayed_branch instead of
2714 mips_base_delayed_branch.
2715 (mips_override_options): Don't set mips_base_delayed_branch
2716 or flag_delayed_branch.
2718 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2720 PR rtl-optimization/38426.
2721 * ira.c (ira): Set current_function_is_leaf earlier.
2723 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2725 PR rtl-optimization/38722
2726 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2727 too early, only set a flag and modify after last possible
2730 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2733 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2734 * real.c (decimal_single_format): Correct values of emin and emax.
2735 (decimal_double_format): Ditto.
2736 (decimal_quad_format): Ditto.
2737 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2738 computation of DECnn_MIN and DECnn_MAX for corrected values of
2739 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2740 __DECnn_MIN__, and adjust its computation for the corrected value
2743 2009-01-06 Jan Hubicka <jh@suse.cz>
2746 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2748 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2750 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2751 Add Robert Clark to the list of testers.
2753 2009-01-06 Jan Hubicka <jh@suse.cz>
2754 Kai Tietz <kai.tietz@onevision.com>
2756 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2757 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2759 2009-01-06 Jan Hubicka <jh@suse.cz>
2760 Kai Tietz <kai.tietz@onevision.com>
2762 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2764 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2765 (ix86_nsaved_regs): Count only general purpose regs.
2766 (ix86_nsaved_sseregs): New.
2767 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2768 to 16 for w64; compute padding and size of sse reg save area.
2769 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2770 general purpose regs.
2771 (ix86_emit_save_sse_regs_using_mov): New.
2772 (ix86_expand_prologue): Save SSE regs if needed.
2773 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2774 (ix86_emit_restore_sse_regs_using_mov): New.
2775 (ix86_expand_epilogue): Save SSE regs if needed.
2777 2009-01-06 Jan Hubicka <jh@suse.cz>
2778 Kai Tietz <kai.tietz@onevision.com>
2780 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2781 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2782 functions when accumulate outgoing args is off.
2784 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2787 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2788 before using pseudos_have_intersected_live_ranges_p.
2790 * ira-int.h (ira_assert): Always define.
2792 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2794 AVX Programming Reference (December, 2008)
2795 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2796 (_mm256_permute2_pd): Likewise.
2797 (_mm_permute2_ps): Likewise.
2798 (_mm256_permute2_ps): Likewise.
2799 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2800 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2802 * config/i386/i386.c (ix86_builtins): Remove
2803 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2804 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2805 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2806 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2807 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2808 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2809 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2810 __builtin_ia32_vpermil2ps256.
2811 (ix86_init_mmx_sse_builtins): Updated.
2812 (ix86_expand_args_builtin): Likewise.
2814 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2816 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2817 long absolute calls when generating PA 2.0 code.
2819 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2821 PR rtl-optimization/38583
2822 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2824 * params.def (ira-max-conflict-table-size): New.
2826 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2828 * ira.h (ira_conflicts_p): New external definition.
2830 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2831 table. Report this. Return result of building.
2832 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2833 building conflict table.
2835 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2836 (ira_color): Use ira_conflicts_p.
2838 * global.c: Include ira.h.
2839 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2842 * Makefile.in (global.o): Add ira.h.
2844 * ira-build.c (mark_all_loops_for_removal,
2845 propagate_some_info_from_allocno): New.
2846 (remove_unnecessary_allocnos): Call
2847 propagate_some_info_from_allocno.
2848 (remove_low_level_allocnos): New.
2849 (remove_unnecessary_regions): Add parameter. Call
2850 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2851 parameter to remove_unnecessary_regions.
2852 (ira_build): Remove all regions but root if the conflict table was
2853 not built. Update conflict hard regs for allocnos crossing calls.
2855 * ira.c (ira_conflicts_p): New global.
2856 (ira): Define and use ira_conflicts_p.
2858 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2859 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2860 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2862 2009-01-06 Ben Elliston <bje@au.ibm.com>
2864 * gengtype-lex.l (YY_NO_INPUT): Define.
2866 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2869 * c-common.c (handle_vector_size_attribute): Also reject
2872 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2874 PR tree-optimization/38492
2875 * graphite.c (rename_map_elt, debug_rename_elt,
2876 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2877 rename_map_elt_info, eq_rename_map_elts,
2878 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2879 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2880 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2881 (sese_build_livein_liveouts): New.
2882 (new_sese, free_sese): New.
2883 (new_scop): Call new_sese.
2884 (free_scop): Call free_sese.
2885 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2886 (register_old_new_names): Renamed register_old_and_new_names.
2887 (register_scop_liveout_renames, add_loop_exit_phis,
2888 insert_loop_close_phis, struct igp,
2889 default_liveout_before_guard, add_guard_exit_phis,
2890 insert_guard_phis, copy_renames): New.
2891 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2892 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2893 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2894 (scop_adjust_phis_for_liveouts): New.
2895 (gloog): Call scop_adjust_phis_for_liveouts.
2897 * graphite.h (struct sese): Documented. Added fields liveout,
2899 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2900 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2901 (struct scop): Added field liveout_renames.
2902 (SCOP_LIVEOUT_RENAMES): New.
2904 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2906 PR tree-optimization/38510
2907 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2908 (translate_clast): Call recompute_all_dominators before
2910 (gloog): Call recompute_all_dominators before graphite_verify.
2912 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2913 Jan Sjodin <jan.sjodin@amd.com>
2915 PR tree-optimization/38500
2916 * graphite.c (create_sese_edges): Call fix_loop_structure after
2919 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2921 * config.gcc: Add m32r*-*-rtems*.
2922 * config/m32r/rtems.h: New file.
2924 2009-01-05 Ben Elliston <bje@au.ibm.com>
2926 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2927 (.po.pox): Likewise.
2928 (po/gcc.pot): Likewise.
2930 2009-01-04 David S. Miller <davem@davemloft.net>
2932 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2933 (STARTING_FRAME_OFFSET): Always set to zero.
2935 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2937 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2938 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2939 fixed-point types, and vectors of the same.
2941 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2943 * config/mips/sync.md (*mb_barrier): Rename to...
2944 (*memory_barrier): ...this.
2946 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2948 * doc/extend.texi (Function Attributes): Move @cindex after @item
2949 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2950 and put in alphabetical order. Fix 'target' name and put in order.
2951 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2954 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2956 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2957 (memory_barrier): Expand as unspec instead of unspec_volatile.
2958 Remove mem:BLK from insn operands. Use Pmode scratch register.
2959 (*memory_barrier): Define as unspec instead of unspec_volatile.
2960 Use (match_dup 0) as input operand.
2962 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2963 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2964 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2965 scratch register. Remove operand 1.
2966 (*stbar): Define as unspec instead of unspec_volatile.
2967 Use (match_dup 0) as input operand, remove (const_int 8).
2968 (*membar): Define as unspec instead of unspec_volatile.
2969 Use (match_dup 0) as input operand, remove input operand 2.
2971 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2972 (memory_barrier): Expand as unspec instead of unspec_volatile.
2973 Remove mem:BLK from insn operands. Use Pmode scratch register.
2974 (*memory_barrier): Define as unspec instead of unspec_volatile.
2975 Use (match_dup 0) as input operand.
2977 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2978 Remove mem:BLK from insn operands. Use Pmode scratch register.
2979 Set volatile flag on operand 0.
2980 (*memory_barrier): New insn pattern.
2982 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2984 (*memory_barrier): Use (match_dup 0) as input operand.
2986 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2987 Remove mem:BLK from insn operands. Use Pmode scratch register.
2988 Set volatile flag on operand 0.
2989 (*mb_internal): New insn pattern.
2991 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2993 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2996 * function.c (struct temp_slot): Move to the section of the file
2997 that deals with temp slots. Remove field 'address'.
2998 (temp_slot_address_table): New hash table of address -> temp slot.
2999 (struct temp_slot_address_entry): New struct, items for the table.
3000 (temp_slot_address_compute_hash, temp_slot_address_hash,
3001 temp_slot_address_eq, insert_temp_slot_address): Support functions
3003 (find_temp_slot_from_address): Rewrite to use the new hash table.
3004 (remove_unused_temp_slot_addresses): Remove addresses of temp
3005 slots that have been made available.
3006 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3007 worker function for remove_unused_temp_slot_addresses.
3008 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3009 Add the temp slot address to the address -> temp slot map.
3010 (update_temp_slot_address): Update via insert_temp_slot_address.
3011 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3012 (pop_temp_slots): Likewise.
3013 (init_temp_slots): Allocate the address -> temp slot map, or empty
3014 the map if it is already allocated.
3015 (prepare_function_start): Initialize temp slot processing.
3017 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3020 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3021 Calculate the size of all stack vars assuming no packing of stack
3022 vars will happen, replacing a quadratic algorithm with a linear one.
3024 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3027 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3030 2009-01-03 Diego Novillo <dnovillo@google.com>
3032 * doc/contrib.texi: Update contributions.
3034 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3037 * builtins.c (fold_builtin_memory_op): Give up if either operand
3038 is volatile. Set srctype or desttype to non-qualified version
3042 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3045 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3047 PR rtl-optimization/35805
3048 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3049 problem if fast dce is able to remove any instructions.
3050 * dce.c (dce_process_block): Fix dump message.
3052 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3055 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3057 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3060 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3061 * tree-pretty-print.c (op_code_prio): New function.
3062 (op_prio): No longer static. Use op_code_prio.
3063 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3064 Use op_prio and op_code_prio to determine if () should be
3065 printed around operand(s) or not.
3067 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3068 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3069 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3070 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3071 pp_character instead of pp_string for single letter printing.
3073 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3075 * doc/extend.texi: Fix '#pragma GCC option' typo.
3077 2009-01-02 Richard Guenther <rguenther@suse.de>
3079 * doc/install.texi (--enable-checking): Mention different
3081 (--enable-stage1-checking): Document.
3083 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3086 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3087 case to be an error.
3089 2009-01-02 Ben Elliston <bje@au.ibm.com>
3091 * config/fp-bit.h (pack_d): Constify argument.
3092 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3093 (isnan): Constify argument.
3097 (_fpadd_parts): Constify return type.
3098 (_fpmul_parts): Likewise.
3099 (_fpdiv_parts): Likewise.
3101 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3104 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3105 warn about overwriting initializer with side-effects or
3106 -Woverride-init if !IMPLICIT.
3107 (output_init_element): Likewise. Pass IMPLICIT down to
3109 (process_init_element): Add IMPLICIT argument. Pass it down
3110 to output_init_element.
3111 (push_init_element, pop_init_level, set_designator): Adjust
3112 process_init_element callers.
3113 (set_nonincremental_init, set_nonincremental_init_from_string):
3114 Adjust add_pending_init callers.
3115 (output_pending_init_elements): Adjust output_init_element callers.
3116 * c-tree.h (process_init_element): Adjust prototype.
3117 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3118 process_init_element callers.