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.
15 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
18 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
19 (is_simple_operand): Call contains_component_ref_p before calling data
20 reference analysis that would fail on COMPONENT_REFs.
22 * tree-vrp.c (search_for_addr_array): Fix formatting.
24 2009-03-18 Richard Guenther <rguenther@suse.de>
26 * tree-vect-transform.c (vect_loop_versioning): Fold the
27 generated comparisons.
28 * tree-vectorizer.c (set_prologue_iterations): Likewise.
29 (slpeel_tree_peel_loop_to_edge): Likewise.
31 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
34 * opts.c (print_specific_help): In addition to `undocumented',
35 accept `separate' and `joined' flags if passed alone. Describe
36 output by the first matched one of those.
37 (common_handle_option): Skip over empty strings.
38 * gcc.c (display_help): Fix help string for `--help='.
39 * doc/invoke.texi (Option Summary, Overall Options): With
40 `--help=', classes and qualifiers can both be repeated, but
41 only the latter can be negated. One should not pass only
42 negated qualifiers. Fix markup and examples.
45 2008-10-14 Jakub Jelinek <jakub@redhat.com>
47 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
50 2009-03-17 Jing Yu <jingyu@google.com>
53 * function.h: Move is_thunk from rtl_data structure to function
55 * varasm.c (assemble_start_function): Change is_thunk from crtl to
57 * config/alpha/alpha.c: Change is_thunk from crtl to cfun.
58 * config/rs6000/rs6000.c: Change is_thunk from crtl to cfun.
59 * config/arm/arm.h: Change is_thunk from crtl to cfun.
61 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
64 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
65 from different units in a single alternative.
66 (*truncdfsf_i387): Ditto.
67 (*truncxfsf2_mixed): Ditto.
68 (*truncxfdf2_mixed): Ditto.
70 2009-03-17 Jakub Jelinek <jakub@redhat.com>
72 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
73 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
76 * tree-ssa-live.c (remove_unused_locals): Don't remove local
77 unused non-artificial variables when not optimizing.
80 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
81 DW_TAG_imported_module even if decl is IMPORTED_DECL with
82 NAMESPACE_DECL in its DECL_INITIAL.
85 * optabs.c (set_user_assembler_libfunc): New function.
86 * expr.h (set_user_assembler_libfunc): New prototype.
87 * c-common.c: Include libfuncs.h.
88 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
89 for memcmp, memset, memcpy, memmove and abort.
90 * Makefile.in (c-common.o): Depend on libfuncs.h.
93 * dwarf2out.c (gen_inlined_enumeration_type_die,
94 gen_inlined_structure_type_die, gen_inlined_union_type_die,
95 gen_tagged_type_instantiation_die): Removed.
96 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
99 2009-03-17 Janis Johnson <janis187@us.ibm.com>
102 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
104 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
105 (check-parallel-%): Ditto.
106 (check-consistency): Ditto.
108 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
110 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
111 local variable rhs by NULL_TREE.
113 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
116 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
118 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
121 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
123 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
126 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
127 for ms->sysv ABI calls only in 64bit mode.
129 * config/i386/i386.md (untyped_call): Support 32bit.
131 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
133 * doc/extend.texi: Replace x86_65 with x86_64.
135 2009-03-16 Jakub Jelinek <jakub@redhat.com>
137 PR tree-optimization/39455
138 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
139 mismatches for POINTER_TYPE_P (type).
140 (number_of_iterations_le): Likewise.
142 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
144 * config/picochip/picochip.c: Removed profiling support.
145 * config/picochip/picochip.md: Removed profiling instruction.
146 * config/picochip/picochip.h: Removed profiling builtin.
148 2009-03-16 Joseph Myers <joseph@codesourcery.com>
150 * doc/install.texi (--with-host-libstdcxx): Document.
152 2009-03-14 Anatoly Sokolov <aesok@post.ru>
155 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
156 generate a warning if the function name does not begin with
157 "__vector" and the function has either the 'signal' or 'interrupt'
158 attribute, from here to ...
159 (avr_declare_function_name): ...here. New function.
160 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
161 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
163 2009-03-14 Jakub Jelinek <jakub@redhat.com>
166 * cse.c (fold_rtx): Don't modify original const_arg1 when
167 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
168 separate variable instead.
169 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
170 from out of range shift counts.
171 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
173 2008-03-13 Catherine Moore <clm@codesourcery.com>
175 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
176 diagnostic.h with $(DIAGNOSTIC_H).
178 2008-03-12 Jakub Jelinek <jakub@redhat.com>
181 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
183 * config/i386/sync.md (sync_compare_and_swap<mode>,
184 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
185 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
187 (sync_double_compare_and_swapdi_pic,
188 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
189 cmpxchg8b_pic_memory_operand instead of just memory_operand.
191 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
194 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
196 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
199 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
200 (avx_addsubv4df3): Likewise.
201 (*avx_addsubv4sf3): Likewise.
202 (sse3_addsubv4sf3): Likewise.
204 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
207 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
209 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
212 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
213 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
214 registers for allocnos created from user-defined variables.
216 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
219 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
220 of non-integer mode as well.
222 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
224 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
225 for functions for which the parameter types are unknown.
227 2009-03-11 Jakub Jelinek <jakub@redhat.com>
230 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
231 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
232 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
233 * config/i386/i386.c (ix86_local_alignment): For
234 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
235 long long variables on the stack to avoid dynamic realignment.
236 Allow the first argument to be a decl rather than type.
237 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
239 2009-03-11 Nick Clifton <nickc@redhat.com>
242 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
244 Add description to mno-lsim option.
245 * config/mcore/mcore.h: Remove comment about deprecated m4align
247 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
248 * doc/invoke.texi: Add description of mno-lsim and
249 mstack-increment options.
251 * config/fr30/fr30.opt: Document the -mno-lsim option.
252 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
253 and -mno-lsim options.
255 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
257 * fold-const.c (fold_comparison): Only call fold_inf_compare
258 if the mode supports infinities.
260 2009-03-11 Jason Merrill <jason@redhat.com>
263 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
264 end already did. Notice GIMPLE_CALL modifications of the result.
265 Don't copy debug information from an ignored decl or a decl from
268 2009-03-10 Richard Guenther <rguenther@suse.de>
269 Nathan Froyd <froydnj@codesourcery.com>
272 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
273 (__divMODE3): Likewise.
275 2009-03-09 Jakub Jelinek <jakub@redhat.com>
277 PR tree-optimization/39394
278 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
279 DECL_SIZE_UNIT of variable length FIELD_DECLs.
281 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
283 * recog.c (verfiy_changes): Disallow renaming of hard regs in
284 inline asms for register asm ("") declarations.
286 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
288 * fold-const.c (fold_unary): Fix comment.
290 2009-03-07 Jan Hubicka <jh@suse.cz>
293 * tree-inline.c (setup_one_parameter): Do replacement of const argument
294 by constant in SSA form.
296 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
299 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
300 determine alignment passed to assign_stack_local.
301 (assign_parms_unsplit_complex): Likewise.
302 * except.c (sjlj_build_landing_pads): Likewise.
304 2009-03-06 Jakub Jelinek <jakub@redhat.com>
307 * tree-flow.h (add_referenced_var): Return bool instead of void.
308 * tree-dfa.c (add_referenced_var): Return result of
309 referenced_var_check_and_insert call.
310 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
311 of referenced_var_check_and_insert.
314 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
315 (gen_variable_die): Emit DW_AT_location on abstract static variable's
316 DIE, don't emit it if abstract origin already has it.
317 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
318 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
320 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
322 * genpreds.c: (needs_variable): Fix parentheses at variable name
324 (write_tm_constrs_h): Indent generated code.
326 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
328 * doc/extend.texi (Function Attributes): Add documentation
331 2009-03-06 Jakub Jelinek <jakub@redhat.com>
334 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
335 take locus from its DECL_SOURCE_LOCATION instead of input_location.
337 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
339 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
342 2009-03-05 Jakub Jelinek <jakub@redhat.com>
345 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
346 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
348 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
350 * config/i386/i386.md (R8_REG, R9_REG): New constants.
351 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
352 constants instead of magic numbers.
353 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
355 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
356 (x86_64_ms_abi_int_parameter_registers): Ditto.
357 (x86_64_int_return_registers): Ditto.
358 (ix86_maybe_switch_abi): Ditto.
359 (ix86_expand_call): Ditto for clobbered_registers array.
360 (ix86_hard_regno_mode_ok): Ditto.
361 (x86_extended_QIreg_mentioned_p): Ditto.
363 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
365 PR tree-optimization/39349
366 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
368 * combine.c (gen_lowpart_for_combine): Use omode when generating
371 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
373 PR rtl-optimization/39235
374 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
376 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
378 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
380 2009-03-04 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/39362
383 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
384 that occur in abnormal PHIs should be varying.
386 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
388 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
390 (simple_iv): Take loop as an argument instead of statement.
391 * tree-scalar-evolution.h (simple_iv): Declaration changed.
392 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
394 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
396 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
397 * matrix-reorg.c (analyze_transpose): Ditto.
398 * tree-data-ref.c (dr_analyze_innermost): Ditto.
399 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
400 * tree-predcom.c (ref_at_iteration): Ditto.
401 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
403 2009-03-04 Richard Guenther <rguenther@suse.de>
405 PR tree-optimization/39358
406 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
407 escaped_id and callused_id.
408 (solve_graph): Likewise.
410 2009-03-04 Richard Guenther <rguenther@suse.de>
412 PR tree-optimization/39339
413 * tree-sra.c (try_instantiate_multiple_fields): Make it
414 no longer ICE on the above.
416 2009-03-03 Joseph Myers <joseph@codesourcery.com>
418 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
419 that fits within Pmode.
421 2009-03-03 Steve Ellcey <sje@cup.hp.com>
424 * tm.texi (LIBCALL_VALUE): Update description.
426 2009-03-03 Steve Ellcey <sje@cup.hp.com>
429 * doc/extend.texi (section): Update description.
431 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
434 * tree-inline.c (remapped_type): New.
435 (can_be_nonlocal): Call remapped_type instead of remap_type.
437 2009-03-03 Jakub Jelinek <jakub@redhat.com>
440 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
441 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
443 2009-03-03 Richard Guenther <rguenther@suse.de>
446 * tree.c (tree_nonartificial_location): New function.
447 * tree.h (tree_nonartificial_location): Declare.
448 * builtins.c (expand_builtin_memory_chk): Provide location
449 of the call location for artificial function pieces.
450 (maybe_emit_chk_warning): Likewise.
451 (maybe_emit_sprintf_chk_warning): Likewise.
452 (maybe_emit_free_warning): Likewise.
453 * expr.c (expand_expr_real_1): Likewise.
455 2009-03-03 Jakub Jelinek <jakub@redhat.com>
457 PR tree-optimization/39343
458 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
459 COMPONENT_REF t has ARRAY_TYPE.
461 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
464 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
465 when the type precision of the induction variable should be
466 larger than the type precision of nit.
467 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
468 * graphite.c (graphite_loop_normal_form): Same.
469 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
471 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
473 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
474 (*call_1_rex64_ms_sysv): Use named constants instead of magic
475 numbers to describe clobbered registers.
476 (*call_value_0_rex64_ms_sysv): Ditto.
477 * config/i386/mmx.md (mmx_emms): Ditto.
480 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
482 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
485 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
487 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
488 (spu_section_type_flags): New function.
490 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
492 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
493 reg_class_contents of FLOAT_REGS into a temporary.
495 2009-03-02 Richard Guenther <rguenther@suse.de>
496 Ira Rosen <irar@il.ibm.com>
498 PR tree-optimization/39318
499 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
500 information to the vectorized statement.
502 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
504 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
505 variable. Use defined names instead of magic constants for REX SSE
508 2009-03-01 Richard Guenther <rguenther@suse.de>
510 PR tree-optimization/39331
511 * omp-low.c (lower_send_shared_vars): Do not receive new
512 values for the reference of DECL_BY_REFERENCE parms or results.
514 2009-03-01 Jan Hubicka <jh@suse.cz>
517 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
518 BLOCK_NONLOCALIZED_VAR): New macros.
519 (tree_block): Add nonlocalized_vars.
520 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
521 gen_decl_die): Add origin argument. Allow generation of die with
523 (gen_member_die, gen_type_die_with_usage, force_decl_die,
524 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
526 (gen_block_die): Fix checking for unused blocks.
527 (process_scope_var): Break out from .... ; work with origins only.
528 (decls_for_scope) ... here; process nonlocalized list.
529 (dwarf2out_ignore_block): Look for nonlocalized vars.
530 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
532 (dump_scope_block): Dump them.
533 * tree-inline.c (remap_decls): Handle nonlocalized vars.
534 (remap_block): Likewise.
535 (can_be_nonlocal): New predicate.
536 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
538 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
540 * configure: Regenerate.
542 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
544 * optc-gen.awk: No need to duplicate option flags twice.
545 Reuse help texts for duplicate options which do not have any.
547 * gcc.c (display_help): Document --version.
549 * gcc.c (main): If print_help_list and verbose_flag, ensure
550 driver output comes before subprocess output.
552 * optc-gen.awk: Assign all remaining fields to help string,
553 space-separated, for multi-line help in *.opt.
555 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
556 -Wno-pedantic-ms-format is for MinGW targets only.
558 * doc/options.texi (Option file format): Fix bad indentation,
559 restoring dropped sentence.
561 2009-02-28 Jan Hubicka <jh@suse.cz>
563 * tree-inline.c (tree_function_versioning): Output debug info.
565 2009-02-28 Jan Hubicka <jh@suse.cz>
568 * tree-inline.c (setup_one_parameter): Do not copy propagate
569 arguments when not optimizing.
571 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
574 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
575 (avx_addsubv4df3): Likewise.
576 (*avx_addsubv4sf3): Likewise.
577 (sse3_addsubv4sf3): Likewise.
578 (*avx_addsubv2df3): Likewise.
579 (sse3_addsubv2df3): Likewise.
580 (avx_unpckhps256): Correct item selectors.
581 (avx_unpcklps256): Likewise.
582 (avx_unpckhpd256): Likewise.
583 (avx_unpcklpd256): Likewise.
585 2009-02-28 Jan Hubicka <jh@suse.cz>
587 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
589 (copy_arguments_for_versioning): If var is declared don't declare it.
590 (tree_function_versioning): First setup substitutions and then copy
593 2009-02-27 Jan Hubicka <jh@suse.cz>
596 * cgraph.h (varpool_output_debug_info): Remove.
597 * cgraphunit.c (varpool_output_debug_info): Remove.
598 * dwarf2out.c (deferred_locations_struct): New struct
599 (deferred_locations): New type.
600 (deferred_locations_list): New static var.
601 (deffer_location): New function.
602 (gen_variable_die): Use it.
603 (decls_for_scope): Output info on local static vars.
604 (dwarf2out_finish): Process deferred locations.
605 * varpool.c (varpool_output_debug_info): Remove.
607 2009-02-27 Jan Hubicka <jh@suse.cz>
610 * tree.h (TREE_PROTECTED): Fix comment.
611 (BLOCK_HANDLER_BLOCK): Remove.
612 (struct tree_block): Remove handler_block add body_block.
613 (inlined_function_outer_scope_p): New.
614 (is_body_block): Remove.
615 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
616 * dwarf2out.c (is_inlined_entry_point): Remove.
617 (add_high_low_attributes): Use inlined_function_outer_scope_p.
618 (gen_block_die): Use is_inlined_entry_point check. Remove body block
620 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
621 * gimplify.c (gimplify_expr): Gimplify body blocks.
622 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
623 block with multiple subblocks.
624 (dump_scope_block): Prettier output; dump more flags and info.
625 (dump_scope_blocks): New.
626 (remove_unused_locals): Use dump_scope_blocks.
627 * tree-flow.h (dump_scope_blocks): Declare.
628 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
629 * stmt.c (is_body_block): Remove.
630 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
631 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
633 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
636 * graphite.c (graphite_loop_normal_form): Do not call
637 number_of_iterations_exit from a gcc_assert.
639 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
641 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
642 jumps if COND is NULL.
643 (find_cond_jump): New function.
644 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
645 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
647 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
649 * config/alpha/alpha.h (alpha_expand_mov): Return false if
650 force_const_mem returns NULL_RTX.
652 2009-02-26 Jan Hubicka <jh@suse.cz>
655 * cgraph.h (varpool_output_debug_info): Remove.
656 * cgraphunit.c (varpool_output_debug_info): Remove.
657 * dwarf2out.c (deferred_locations_struct): New struct
658 (deferred_locations): New type.
659 (deferred_locations_list): New static var.
660 (deffer_location): New function.
661 (gen_variable_die): Use it.
662 (decls_for_scope): Output info on local static vars.
663 (dwarf2out_finish): Process deferred locations.
664 * varpool.c (varpool_output_debug_info): Remove.
666 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
668 PR rtl-optimization/39241
669 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
670 to subreg_offset_representable_p.
672 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
674 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
675 execute function prototype. Get f and nregs from max_reg_num
676 and get_insns. Remove the first backward pass as it's dead,
677 guard the forward pass by flag_expensive_optimizations.
678 (rest_of_handle_regmove): Delete.
679 (pass_regmove): Replace it with regmove_optimize.
681 2009-02-25 Martin Jambor <mjambor@suse.cz>
683 PR tree-optimization/39259
684 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
685 calls_alloca function flags.
686 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
689 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
691 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
692 flags_set_1_rtx, flags_set_1_set): Delete.
693 (regmove_optimize): Do not call mark_flags_life_zones.
695 2009-02-24 Julian Brown <julian@codesourcery.com>
698 * config/arm/arm.c (require_pic_register): Only set
699 cfun->machine->pic_reg once per function.
701 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
703 * doc/invoke.texi (Link Options): Document an easier way to pass
704 options that take arguments to the GNU linker using -Xlinker and -Wl.
706 2009-02-24 Steve Ellcey <sje@cup.hp.com>
709 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
711 2009-02-24 Richard Guenther <rguenther@suse.de>
714 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
716 2009-02-24 Richard Guenther <rguenther@suse.de>
717 Zdenek Dvorak <ook@ucw.cz>
719 PR tree-optimization/39233
720 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
721 from converting them to a generic type.
723 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
725 PR tree-optimization/39260
726 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
727 contains a condition with a real type.
728 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
730 2009-02-23 Jason Merrill <jason@redhat.com>
733 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
734 narrowing_initializer_constant_valid_p.
735 (narrowing_initializer_constant_valid_p): Don't return
736 null_pointer_node for adding a pointer to itself.
738 2009-02-23 Jan Hubicka <jh@suse.cz>
741 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
744 2009-02-23 Jan Hubicka <jh@suse.cz>
746 PR tree-optimization/37709
747 * tree.c (block_ultimate_origin): Move here from dwarf2out.
748 * tree.h (block_ultimate_origin): Declare.
749 * dwarf2out.c (block_ultimate_origin): Move to tree.c
750 * tree-ssa-live.c (remove_unused_scope_block_p):
751 Eliminate blocks containig no instructions nor live variables nor
753 (dump_scope_block): New function.
754 (remove_unused_locals): Enable removal of dead blocks by default;
755 enable dumping at TDF_DETAILS.
757 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
759 * config/i386/i386.c (classify_argument): Don't allow COImode
761 (function_arg_advance_32): Don't allow OImode.
762 (function_arg_32): Likewise.
763 (function_value_32): Likewise.
764 (return_in_memory_32): Likewise.
765 (function_arg_64): Remove OImode comment.
767 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
770 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
771 ix86_expand_vector_set for V4DImode in 64bit mode only.
772 (ix86_expand_vector_init_one_var): Likewise.
774 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
776 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
778 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
781 * loop-iv.c: Revert last change.
782 * emit-rtl.c: Likewise.
784 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
787 * config/i386/i386.c (type_natural_mode): Remove an extra
788 space in the warning message.
789 (function_value_32): Handle 32-byte vector modes.
790 (return_in_memory_32): Likewise.
792 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
794 * loop-iv.c (truncate_value): New function.
795 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
797 (lowpart_subreg): Move to...
798 * emit-rtl.c: ...here.
800 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
802 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
803 accidental and undocumented change at revision 140860.
805 2009-02-21 Joseph Myers <joseph@codesourcery.com>
807 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
808 take gimple_seq * arguments.
809 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
810 types_compatible_p langhook.
812 2009-02-20 Mark Mitchell <mark@codesourcery.com>
813 Joseph Myers <joseph@codesourcery.com>
815 * config/arm/arm.c (arm_builtin_va_list): New function.
816 (arm_expand_builtin_va_start): Likewise.
817 (arm_gimplify_va_arg_expr): Likewise.
818 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
819 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
820 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
821 (va_list_type): New variable.
822 (arm_mangle_type): Mangle va_list_type appropriately.
824 2009-02-20 Jakub Jelinek <jakub@redhat.com>
827 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
828 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
829 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
830 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
831 parameter to 1000 for -O1 by default.
832 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
834 * loop-invariant.c: Include params.h.
835 (move_loop_invariants): Don't call move_single_loop_invariants on
838 2009-02-20 Jaka Mocnik <jaka@xlab.si>
840 * calls.c (emit_library_call_value_1): Use slot_offset instead of
841 offset when calculating bounds for indexing stack_usage_map. Fixes
842 a buffer overflow with certain target setups.
844 2009-02-20 Jakub Jelinek <jakub@redhat.com>
847 * calls.c (expand_call): Clear try_tail_call if caller and callee
848 disagree in promotion of function return value.
850 2009-02-19 Jakub Jelinek <jakub@redhat.com>
853 * c-common.c (c_determine_visibility): If visibility changed and
854 DECL_RTL has been already set, call make_decl_rtl to update symbol
857 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
860 * varasm.c (assemble_variable): Don't check DECL_NAME when
861 globalizing a variable.
863 2009-02-19 Joseph Myers <joseph@codesourcery.com>
866 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
867 expression before any __builtin_trap call.
868 * c-typeck.c (build_function_call): Convert and check function
869 arguments before generating a call to a trap. Evaluate the
870 function arguments before the trap.
872 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
875 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
876 (UNSPEC_FXAM_MEM): New unspec.
877 (fxam<mode>2_i387_with_temp): New insn and split pattern.
878 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
879 memory using fxam<mode>2_i387_with_temp to remove excess precision.
881 2009-02-19 Richard Guenther <rguenther@suse.de>
883 PR tree-optimization/39207
884 PR tree-optimization/39074
885 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
886 storedanything_tree): New.
887 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
888 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
889 (build_succ_graph): Add edges from STOREDANYTHING to all
891 (init_base_vars): Initialize STOREDANYTHING.
892 (compute_points_to_sets): Free substitution info after
893 building the succ graph.
894 (ipa_pta_execute): Likewise.
896 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
898 (do_ds_constraint): Do not add to special var or non-pointer
900 (type_could_have_pointers): Split out from ...
901 (could_have_pointers): ... here. For arrays use the element type.
902 (create_variable_info_for): Initialize may_have_pointers.
903 (new_var_info): Likewise.
904 (handle_lhs_call): Make the HEAP variable unknown-sized.
905 (intra_create_variable_infos): Use a type with pointers for
906 PARM_NOALIAS, make it unknown-sized.
908 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
911 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
913 2009-02-18 Jason Merrill <jason@redhat.com>
916 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
917 value if DECL_EXTERNAL.
918 * tree-sra.c (sra_walk_gimple_assign): Likewise.
919 * target.h (gcc_target::binds_local_p): Clarify "module".
920 * tree.h (TREE_PUBLIC): Clarify "module".
922 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
925 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
926 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
928 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
931 * c.opt (Wabi): Support C and ObjC.
934 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
936 * config/i386/i386.c (classify_argument): Warn once about the ABI
937 change when passing union with long double.
939 * doc/invoke.texi: Update -Wabi for warning psABI changes.
941 2009-02-18 Joseph Myers <joseph@codesourcery.com>
944 * c-parser.c (c_parser_compound_statement): Always enter and leave
947 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
950 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
952 2009-02-18 Jakub Jelinek <jakub@redhat.com>
954 PR tree-optimization/36922
955 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
956 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
959 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
961 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
964 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
966 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
968 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
970 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
973 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
974 Richard Sandiford <rdsandiford@googlemail.com>
976 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
977 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
978 (loongson_biadd): ...this.
980 2009-02-17 Richard Guenther <rguenther@suse.de>
982 PR tree-optimization/39202
983 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
984 a var make sure to follow existing collapses.
986 2009-02-17 Richard Guenther <rguenther@suse.de>
989 * langhooks.c (lhd_print_error_function): Check for NULL block.
991 2009-02-17 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/39204
994 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
997 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
999 * config/soft-fp/double.h: Update from glibc CVS.
1001 2009-02-17 Richard Guenther <rguenther@suse.de>
1003 PR tree-optimization/39207
1004 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1005 strict-aliasing warnings for pointers pointing to NULL.
1007 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1010 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1011 skipping until next close brace.
1013 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1016 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1017 to function argument boundary.
1019 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1021 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1022 in the lea_add. Reload eventually constraints it properly.
1023 * config/picochip/constraints.md : Remove the target constraint
1024 "b", since it is not needed anymore.
1026 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1028 * gthr-dce.h: Uglify function parameter and local variable names.
1029 * gthr-gnat.h: Likewise.
1030 * gthr-mipssde.h: Likewise.
1031 * gthr-nks.h: Likewise.
1032 * gthr-posix95.h: Likewise.
1033 * gthr-posix.h: Likewise.
1034 * gthr-rtems.h: Likewise.
1035 * gthr-single.h: Likewise.
1036 * gthr-solaris.h: Likewise.
1037 * gthr-tpf.h: Likewise.
1038 * gthr-vxworks.h: Likewise.
1039 * gthr-win32.h: Likewise.
1041 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1044 * config/i386/i386.md: Restrict the new peephole2 to move
1045 between MMX/SSE registers.
1047 2009-02-15 Richard Guenther <rguenther@suse.de>
1050 2009-02-13 Richard Guenther <rguenther@suse.de>
1052 * configure.ac: Enable LFS.
1053 * configure: Re-generate.
1054 * config.in: Likewise.
1056 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1058 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1059 spu_srqwbyte, spu_srqwbytebc): Define.
1060 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1061 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1062 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1063 "shrqby_<mode>"): New insn-and-split patterns.
1064 * config/spu/spu.c (expand_builtin_args): Determine and return
1065 number of operands using spu_builtin_description data.
1066 (spu_expand_builtin_1): Use it.
1068 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1071 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1074 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1077 * config/i386/i386.c (override_options): Correct warning
1078 messages for -malign-loops, -malign-jumps and -malign-functions.
1080 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1083 * config/i386/i386.md: Restrict the new peephole2 to move
1084 between the general purpose registers.
1086 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1089 * config/i386/i386.c (type_natural_mode): Add a new argument.
1090 Return the original mode and warn ABI change if vector size is 32byte.
1091 (function_arg_advance): Updated.
1092 (function_arg): Likewise.
1093 (ix86_function_value): Likewise.
1094 (ix86_return_in_memory): Likewise.
1095 (ix86_sol10_return_in_memory): Likewise.
1096 (ix86_gimplify_va_arg): Likewise.
1097 (function_arg_32): Don't warn ABX ABI change here.
1098 (function_arg_64): Likewise.
1100 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1102 * loop-iv.c (implies_p): In the final case, test that operands 0
1103 of the two comparisons match.
1105 * config/bfin/bfin.c (find_prev_insn_start): New function.
1106 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1107 (find_next_insn_start): Move.
1109 2009-02-13 Richard Guenther <rguenther@suse.de>
1111 * configure.ac: Enable LFS.
1112 * configure: Re-generate.
1113 * config.in: Likewise.
1115 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1118 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1119 sizes on syntax error after some arguments have been parsed.
1121 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1123 * doc/invoke.texi (-fira): Remove.
1125 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1127 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1128 * recog.c: Likewise.
1131 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1133 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1134 (umul_ppmm): Likewise.
1135 (count_leading_zeros): Likewise.
1136 (count_trailing_zeros): Likewise.
1137 (UMUL_TIME): Likewise.
1139 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1141 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1142 soft-fp/t-softfp to tmake_file.
1144 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1145 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1146 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1147 IA64_BUILTIN_INFQ]: New.
1148 (ia64_init_builtins): Initialize __builtin_infq,
1149 __builtin_fabsq and __builtin_copysignq if not HPUX.
1150 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1151 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1153 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1155 (__fixtfti): Likewise.
1156 (__fixunstfti): Likewise.
1157 (__floattitf): Likewise.
1159 * config/ia64/libgcc-glibc.ver: New.
1160 * config/ia64/t-fprules-softfp: Likewise.
1161 * config/ia64/sfp-machine.h: Likewise.
1163 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1164 (LIBGCC2_TF_CEXT): Likewise.
1165 (TF_SIZE): Likewise.
1166 (TARGET_INIT_LIBFUNCS): Likewise.
1168 * config/ia64/t-glibc (SHLINB_MAPFILES):
1169 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1171 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1173 * config/i386/i386.c (construct_container): Rewrite processing
1174 BLKmode with X86_64_SSE_CLASS.
1176 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1179 * config/i386/i386.md: Replace simplify_replace_rtx with
1180 replace_rtx in the new peephole2.
1182 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1184 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1185 loop unrolling do not happen at -O2.
1187 2009-02-12 Michael Matz <matz@suse.de>
1189 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1191 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1193 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1196 2009-02-12 Ben Elliston <bje@au.ibm.com>
1198 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1199 patterns when updating the back chain. Missed in the 2009-02-10
1202 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1204 * doc/extend.texi (Decimal Floating Types): Update identifier of
1205 draft TR and list of missing support.
1207 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1210 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1211 bit to variable length decl's flags, add it also to its
1212 pointer replacement variable.
1214 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1215 Jakub Jelinek <jakub@redhat.com>
1218 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1219 (memory_blockage): New expander.
1220 (*memory_blockage): New insn pattern.
1221 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1222 instead of general blockage at the end of function prologue when
1223 frame pointer is used to access red zone area. Do not emit blockage
1224 when profiling, it is emitted in generic code.
1225 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1226 function epilogue when frame pointer is used to access red zone area.
1228 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1231 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1232 by arithmetic with memory operands.
1233 * config/i386/predicates.md (commutative_operator): New.
1235 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1237 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1240 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1242 * alias.h (record_alias_subset): Declare.
1243 * alias.c (record_alias_subset): Make global.
1245 2009-02-10 Nick Clifton <nickc@redhat.com>
1247 * tree-parloops.c: Change license to GPLv3.
1248 * ipa-struct-reorg.c: Change license to GPLv3.
1249 * ipa-struct-reorg.h: Change license to GPLv3.
1251 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1254 * c-decl.c (start_struct): Return NULL on error.
1256 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1259 * cfgloopmanip.c (remove_path): Call remove_bbs after
1260 cancel_loop_tree, not before it.
1263 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1264 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1265 VAR_DECLs were seen.
1266 * tree-ssa-live.c (remove_unused_locals): Recompute
1267 cfun->has_local_explicit_reg_vars.
1268 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1269 copies or clearings if cfun->has_local_explicit_reg_vars.
1271 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1274 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1275 of function prologue when frame pointer is used to access
1278 2009-02-10 Richard Guenther <rguenther@suse.de>
1281 * gimplify.c (gimple_regimplify_operands): Always look if
1282 we need to create a temporary.
1284 2009-02-10 Richard Guenther <rguenther@suse.de>
1286 PR tree-optimization/39132
1287 * tree-loop-distribution.c (todo): New global var.
1288 (generate_memset_zero): Trigger TODO_rebuild_alias.
1289 (tree_loop_distribution): Return todo.
1291 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1294 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1295 (x86_64_reg_class_name): Removed.
1296 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1297 first one isn't X86_64_SSE_CLASS or any other ones aren't
1298 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1299 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1300 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1301 and 3 X86_64_SSEUP_CLASS.
1302 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1303 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1305 2009-02-10 Ben Elliston <bje@au.ibm.com>
1307 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1308 form instruction to update the stack back chain word, even if the
1309 user has disabled the generation of update instructions.
1310 (movdi_<mode>_update_stack): New.
1311 (movsi_update_stack): Likewise.
1312 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1313 always use an update form instruction to update the stack back
1316 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1319 * graphite.c (if_region_set_false_region): After moving a region in
1320 the false branch of a condition, remove the empty dummy basic block.
1321 (gloog): Remove wrong fix for PR38953.
1323 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1325 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1326 generation due to implicit sign extension.
1328 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1331 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1332 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1334 2009-02-09 Richard Guenther <rguenther@suse.de>
1337 * convert.c (convert_to_real): Disable (float)fn((double)x)
1338 to fnf(x) conversion if errno differences may occur and
1339 -fmath-errno is set.
1341 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1343 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1344 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1345 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1347 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1350 * c-common.c (handle_alias_attribute): Disallow attribute for
1351 anything not a FUNCTION_DECL or VAR_DECL.
1353 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1356 * real.c (do_compare): Special-case compare of zero against
1357 decimal float value.
1359 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1362 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1363 as indicating flexible array members unless the field itself is
1364 being declarared as the incomplete array.
1366 2009-02-06 Jan Hubicka <jh@suse.cz>
1368 PR tree-optimization/38844
1369 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1372 2009-02-06 Richard Guenther <rguenther@suse.de>
1375 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1376 fork because we may expand it as __gcov_fork.
1378 2009-02-06 Nick Clifton <nickc@redhat.com>
1380 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1382 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1384 PR tree-optimization/35659
1385 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1386 vn_phi_eq): Shortcut if hashcode does not match.
1387 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1389 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1390 and avoid iterative_hash_expr.
1391 (FOR_EACH_VALUE_ID_IN_SET): New.
1392 (value_id_compare): Remove.
1393 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1394 sort expressions by value id.
1396 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1399 * config/sh/predicates.md (general_movsrc_operand): Don't check
1400 the subreg of system registers here.
1402 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1405 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1408 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1410 PR rtl-optimization/39110
1411 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1412 addresses, not aligned ones.
1414 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1415 Richard Guenther <rguenther@suse.de>
1417 PR tree-optimization/39100
1418 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1419 comment says and add edges.
1421 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1424 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1425 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1427 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1429 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1430 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1431 register_bb_in_sese, new_sese, free_sese): Moved.
1432 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1433 outermost_loop_in_scop, build_scop_iteration_domain,
1434 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1435 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1436 Use loop_in_sese_p instead of loop_in_scop_p.
1437 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1438 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1439 (scopdet_basic_block_info): Fix bug in scop detection.
1440 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1441 eq_loop_to_cloog_loop): Remove.
1442 (nb_loops_around_loop_in_scop, nb_loop
1443 ref_nb_loops): Moved here...
1444 * graphite.h (ref_nb_loops): ... from here.
1445 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1446 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1447 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1448 * testsuite/gcc.dg/graphite/scop-19.c: New
1450 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1451 Hans-Peter Nilsson <hp@axis.com>
1453 PR rtl-optimization/37889
1454 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1455 Move offset handling from PLUS to before the switch. Use new
1456 arguments when considering SYMBOL_REFs too.
1457 (rtx_addr_can_trap_p): Pass dummy offset and size.
1458 (enum may_trap_p_flags): Remove.
1459 (may_trap_p_1): Pass size from MEM_SIZE.
1461 PR rtl-optimization/38921
1462 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1463 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1464 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1465 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1467 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1469 AVX Programming Reference (January, 2009)
1470 * config/i386/sse.md (*vpclmulqdq): New.
1472 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1474 PR tree-optimization/38977
1475 PR gcov-profile/38292
1476 * calls.c (special_function_p): Disregard __builtin_ prefix.
1478 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1480 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1481 non-indexable addresses even before reload.
1483 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1486 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1487 as having variable size. Do not give an error for unnamed
1488 parameters with [*] declarators. Give a warning for type names
1489 with [*] declarators and mark them as variable size.
1490 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1491 for sizeof applied to [*] type names.
1493 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1496 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1498 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1500 * gcc.c (process_command): Update copyright notice dates.
1501 * gcov.c (print_version): Likewise.
1502 * gcov-dump.c (print_version): Likewise.
1503 * mips-tfile.c (main): Likewise.
1504 * mips-tdump.c (main): Likewise.
1506 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1509 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1510 for composite type involving a zero-length array type.
1512 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1515 * function.c (match_asm_constraints_1): Skip over
1516 initial optional % in the constraint.
1519 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1520 supported, don't accept FIXED_CSTs.
1521 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1522 and _Sat is used without _Fract/_Accum. Set specs->type to
1523 integer_type_node for cts_fract/cts_accum if fixed point is not
1526 2009-02-02 Catherine Moore <clm@codesourcery.com>
1528 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1530 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1532 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1533 (ABI_HAS_64BIT_SYMBOLS): Use it.
1534 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1536 2009-02-02 Paul Brook <paul@codesourcery.com>
1538 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1540 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1543 * recog.h (asm_operand_ok): Add constraints argument.
1544 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1545 recurse on matching constraint.
1546 (check_asm_operands): Pass constraints as 3rd argument to
1547 asm_operand_ok. Don't look up matching constraint here.
1548 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1551 2009-02-02 Ben Elliston <bje@au.ibm.com>
1553 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1554 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1556 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1558 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1559 information. Remove some obsolete information. Reorganize.
1561 * config/pa/fptr.c: Revert license to GPL 2.
1562 * config/pa/milli64.S: Likewise.
1564 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1567 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1568 LIBRARY name in, instead of hard-coding it.
1569 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1570 extra target make frag to tmake_files according to EH model.
1571 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1572 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1573 frags that define makefile variable EH_MODEL appropriately.
1574 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1575 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1576 to "-sjlj" according to type of EH configured.
1577 (LIBGCC_SONAME): Concatenate it to shared library base name.
1578 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1579 to "_sjlj" according to type of EH configured.
1580 (LIBGCC_SONAME): Concatenate it to shared library base name.
1581 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1582 (SHLIB_LINK): Add missing semicolon to if-else construct.
1583 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1584 string value of "pe_dll" command-line option.
1585 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1586 (SHLIB_SONAME): Use it when overriding t-cygming default.
1587 (SHLIB_IMPLIB): Override t-cygming default.
1588 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1589 string value of "pe_dll" command-line option.
1591 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1594 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1595 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1597 2009-01-31 Richard Guenther <rguenther@suse.de>
1599 PR tree-optimization/38937
1600 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1601 computing the transitive closure.
1603 2009-01-30 Richard Guenther <rguenther@suse.de>
1605 PR tree-optimization/39041
1606 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1607 Propagate variable indices only if the types match for this stmt.
1609 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1612 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1613 inline but never defined.
1615 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1617 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1618 (*insv_h_di_reg_extimm): New insn.
1619 (*insv_l<mode>_reg_extimm): New insn.
1621 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1623 * config/picochip/picochip.c (flag_conserve_stack): set
1624 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1625 fconserve-stack. Reduce call-overhead used by inliner.
1627 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1630 * common.opt (flag_conserve_stack): Initialised to zero.
1632 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1635 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1636 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1639 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1641 * ira-color.c (allocno_reload_assign): Update comments.
1642 * regmove.c (regmove_optimize): Likewise.
1646 2009-01-29 Robert Millan <rmh@aybabtu.com>
1648 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1649 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1650 `MD_UNWIND_SUPPORT'.
1651 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1653 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1655 PR tree-optimization/39007
1656 * tree-loop-distribution.c (generate_builtin): Use
1657 recompute_dominator to compute the immediate dominator of the
1658 basic block just after the loop.
1660 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1662 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1663 (ASM_OUTPUT_DWARF_PCREL): Define.
1665 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1667 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1668 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1669 global. Modify entries about regmove and IRA.
1671 * ra-conflict.c: Remove the file.
1673 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1675 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1676 (pass_regclass_init): Rename to pass_reginfo_init.
1678 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1680 * toplev.h (flag_ira): Remove.
1682 * caller-save.c (setup_save_areas): Remove flag_ira.
1684 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1686 * global.c: Remove the file.
1688 * opts.c: (decode_options): Remove flag_ira.
1690 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1692 * regmove.c: Modify file description.
1693 (find_use_as_address, try_auto_increment): Define them only if
1694 AUTO_INC_DEC is defined.
1695 (replacement_quality, replace_in_call_usage, fixup_match_1,
1696 stable_and_no_regs_but_for_p): Remove.
1697 (reg_set_in_bb): Make it static.
1698 (regmove_optimize): Remove flag_ira and code which worked for
1701 * local-alloc.c: Remove the file.
1703 * common.opt (fira): Remove.
1705 * ira.c: Include except.h.
1706 (eliminable_regset): Move from global.c.
1707 (mark_elimination): Ditto. Remove flag_ira.
1708 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1709 equiv_mem_modified, validate_equiv_mem_from_store,
1710 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1711 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1712 no_equiv, recorded_label_ref): Move from local-alloc.c.
1713 (update_equiv_regs): Ditto. Make it static.
1714 (print_insn_chain, print_insn_chains): Move it from global.c.
1715 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1716 (build_insn_chain): Ditto. Make it static.
1717 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1718 Rename to init_live_subregs.
1719 (gate_ira): Remove flag_ira.
1721 * regclass.c: Rename reginfo.c. Change file description.
1722 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1723 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1724 (init_reg_sets_1): Remove code for evaluation of
1725 reg_class_superclasses and losing_caller_save_reg_set.
1726 (init_regs): Remove init_reg_autoinc.
1727 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1728 ok_for_base_p_nonstrict): Remove.
1729 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1730 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1731 corresponding entries.
1732 (dump_regclass, record_operand_costs, scan_one_insn,
1733 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1734 record_address_regs, auto_inc_dec_reg_p): Remove.
1735 (gt-regclass.h): Rename to gt-reginfo.h.
1737 * rtl.h (dump_global_regs, retry_global_alloc,
1738 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1740 * Makefile.in (RA_H): Remove.
1741 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1742 Rename regclass.o to reginfo.o.
1743 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1745 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1746 (GTFILES): Rename regclass.c to reginfo.c.
1748 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1749 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1751 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1752 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1754 (finish_spills): Ditto. Remove code for !flag_ira.
1756 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1759 * doc/invoke.texi (rtl debug options): Complete rewrite.
1760 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1762 * mode-switching.c (pass_mode_switching): Rename pass from
1763 "mode-sw" to "mode_sw".
1764 * except.c (pass_convert_to_eh_ranges): Rename pass from
1765 "eh-ranges" to "eh_ranges".
1766 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1770 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1771 Alexander Monakov <amonakov@ispras.ru>
1774 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1776 (move_exprs_to_boundary): Change return type and pass through
1777 should_move from move_op. Relax assert. Update usage ...
1778 (schedule_expr_on_boundary): ... here. Use should_move instead of
1780 (move_op_orig_expr_found): Indicate that insn was disconnected from
1782 (code_motion_process_successors): Do not call after_merge_succs
1783 callback if original expression was not found when traversing any of
1785 (code_motion_path_driver): Change return type. Update prototype.
1786 (move_op): Update comment. Add a new parameter (should_move). Update
1787 prototype. Set *should_move based on indication provided by
1788 move_op_orig_expr_found.
1790 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1792 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1793 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1794 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1795 * config/rs6000/rs6000.c (rs6000_override_options): Default
1796 avoid-indexed-addresses on for Power6, off for everything else.
1797 (avoiding_indexed_address_p): New function.
1798 (rs6000_legitimize_address): Use it.
1799 (rs6000_legitimate_address): Likewise.
1800 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1802 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1804 PR tree-optimization/38997
1805 * tree-loop-distribution.c (generate_memset_zero): Use
1806 POINTER_PLUS_EXPR for a pointer addition.
1808 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1810 * config/s390/s390.md (bswap<mode>2): New pattern added.
1812 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1814 * config/s390/s390.md (*tls_load_31): Added type attribute.
1816 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1818 * config/s390/s390.md: Fix a few comments.
1820 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1822 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1823 (*tm<mode>_full): Fixed z10prop attribute.
1824 (*tst<mode>_extimm): Fixed z10prop attribute.
1825 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1826 (*tstqiCCT_cconly): Fixed z10prop attribute.
1827 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1828 (*movsi_larl): Fixed z10prop attribute.
1829 (*movsi_zarch): Fixed z10prop attribute.
1830 (*movsi_eas): Fixed z10prop attribute.
1831 (*movhi): Fixed z10prop attribute.
1832 (*movqi): Fixed z10prop attribute.
1833 (*movstrictqi): Fixed z10prop attribute.
1834 (*mov<mode>): Fixed z10prop attribute.
1835 (*movcc): Fixed z10prop attribute.
1836 (*sethighpartdi_64): Fixed z10prop attribute.
1837 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1838 (*negdi2_sign_cc): Fixed z10prop attribute.
1839 (*negdi2_sign): Fixed z10prop attribute.
1840 (*absdi2_sign_cc): Fixed z10prop attribute.
1841 (*absdi2_sign): Fixed z10prop attribute.
1842 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1843 (*negabsdi2_sign): Fixed z10prop attribute.
1844 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1845 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1846 (doloop_si64): Fixed z10prop attribute.
1847 (doloop_si31): Fixed z10prop attribute.
1848 (doloop_long): Fixed z10prop attribute.
1849 (indirect_jump): Fixed z10prop attribute.
1850 (nop): Fixed z10prop attribute.
1851 (main_base_64): Fixed z10prop attribute.
1852 (reload_base_64): Fixed z10prop attribute.
1854 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1856 PR rtl-optimization/38740
1857 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1859 * config/mips/mips.c (mips_reorg): Likewise.
1861 2009-01-28 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/38926
1864 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1865 with the correct value id to a value.
1866 (do_regular_insertion): Use the value number of edoubleprime
1867 for the value number of the expr.
1870 2008-08-21 Richard Guenther <rguenther@suse.de>
1872 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1873 a PHI ask VN if it is already available.
1874 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1875 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1877 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1880 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1881 set to varying whenever max has TREE_OVERFLOW set, similarly
1882 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1884 2009-01-28 Richard Guenther <rguenther@suse.de>
1887 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1888 uninitialized aggregate uses in call arguments.
1890 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1892 PR tree-optimization/38984
1893 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1894 the nothing_id variable if -fno-delete-null-pointer-checks.
1896 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1899 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1900 (set_got_offset_rex64): Ditto.
1902 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1905 * doc/extend.texi: Improve local variable with asm reg.
1907 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1909 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1910 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1911 was not supplied then set warn_packed_bitfield_compat to the
1913 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1916 2009-01-27 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/38503
1919 * cfgexpand.c (expand_gimple_basic_block): Ignore
1920 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1921 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1922 variables that cannot have TBAA applied.
1923 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1926 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1929 * calls.c (initialize_argument_information): Do not wrap complex
1930 arguments in SAVE_EXPR.
1932 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1934 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1935 (INSTALL_LIBGCC): Revert typo commit.
1937 2009-01-26 Richard Guenther <rguenther@suse.de>
1939 PR tree-optimization/38745
1940 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1941 from special handling.
1943 2009-01-26 Richard Guenther <rguenther@suse.de>
1945 PR tree-optimization/38745
1946 * tree-ssa.c (execute_update_addresses_taken): Do not include
1947 variables that cannot possibly be a register in not_reg_needs.
1948 Do not clear TREE_ADDRESSABLE on vars that may not become
1950 * tree-ssa.c (update_alias_info_1): Include those in the set
1951 of addressable vars.
1953 2009-01-26 Richard Guenther <rguenther@suse.de>
1956 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1957 * tree-ssa-dse.c: Include langhooks.h
1958 (execute_simple_dse): Remove stores with zero size.
1960 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1963 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1966 2009-01-24 Julian Brown <julian@codesourcery.com>
1968 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1969 config/arm/linux-atomic.c.
1970 * config/arm/linux-atomic.c: New.
1972 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1974 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1975 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1976 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1978 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1981 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1984 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1986 PR tree-optimization/38953
1987 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1988 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1989 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1990 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1993 2009-01-24 Paul Brook <paul@codesourcery.com>
1995 * config/arm/neon.md (neon_type): Move to arm.md.
1996 (neon_mov<VSTRUCT>): Add neon_type attribute.
1997 * config/arm/arm.md (neon_type): Move to here.
1998 (conds): Add "unconditioal" and use as default for NEON insns.
2000 2009-01-24 Ben Elliston <bje@au.ibm.com>
2002 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2003 void *' warning from -Wc++-compat.
2004 * Makefile.in (dominance.o-warn): Remove.
2006 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2008 PR tree-optimization/38932
2009 * fold-const.c (fold_unary_ignore_overflow): New.
2010 * tree.h (fold_unary_ignore_overflow): Declare.
2011 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2012 * tree-ssa-sccvn.c (visit_reference_op_load,
2013 simplify_unary_expression): Likewise.
2015 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2017 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2018 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2019 regardless of their type.
2020 * c-common.c (handle_packed_attribute): Don't ignore packed on
2022 * c.opt (Wpacked-bitfield-compat): New warning option.
2023 * stor-layout.c (place_field): Warn if offset of a field changed.
2024 * doc/extend.texi (packed): Mention the ABI change.
2025 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2026 (Warning Options): Add it to the list.
2028 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2030 * c-opts.c (c_common_post_options): Fix a typo in comments.
2032 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2035 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2036 variables to static.
2037 * doc/invoke.texi (-fmerge-all-constants): Update description.
2039 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2042 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2043 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2045 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2047 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2049 (LOCAL_ALIGNMENT): Similarly.
2051 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2052 Joseph Myers <joseph@codesourcery.com>
2054 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2055 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2056 * config/arm/arm-tune.md: Regenerate.
2057 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2060 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2062 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2063 version number to five.
2065 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2068 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2069 * c-common.c (set_underlying_type): Likewise.
2070 (is_typedef_decl ): Likewise
2072 (set_underlying_type): Likewise.
2073 (is_typedef_type): Likewise.
2075 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2078 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2081 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2084 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2085 (LIBGCC_SPEC): Don't define.
2086 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2088 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2090 PR rtl-optimization/38879
2091 * alias.c (base_alias_check): Unaligned access via AND address can
2092 alias all surrounding object types except those with sizes equal
2093 or wider than the size of unaligned access.
2095 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2098 * c-decl.c: (clone_underlying_type): Move this ...
2099 * c-common.c (set_underlying_type): ... here.
2100 Also, make sure the function properly sets TYPE_STUB_DECL() on
2101 the newly created typedef variant type.
2102 (is_typedef_decl ): New entry point.
2103 * tree.h: Added a new member member_types_needing_access_check to
2104 struct tree_decl_non_common.
2105 (set_underlying_type): New entry point.
2106 (is_typedef_type): Likewise.
2108 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2110 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2111 Check whether two instructions have memory references that
2112 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2113 are helper functions for traversing.
2114 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2115 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2116 not to draw dependency edge for instructions with non-conflicting
2119 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2122 * longlong.h: Update copyright years. Use soft-fp license notice.
2123 Sync __clz_tab declaration with glibc.
2125 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2128 * doc/extend.texi (syscall_linkage): New.
2129 (version_id): Modify.
2131 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2132 Richard Guenther <rguenther@suse.de>
2134 PR tree-optimization/38747
2135 PR tree-optimization/38748
2136 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2137 conversion if the base address is an indirect reference and the
2138 aliasing sets could cause issues.
2140 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2142 * common.opt (fgraphite, fgraphite-identity): Add comment for
2143 explaining why these options are not documented.
2145 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2147 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2148 gimple_call_lhs is NULL.
2150 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2153 * emit-rtl.c (adjust_address_1): Make sure memref is never
2156 2009-01-20 Ben Elliston <bje@au.ibm.com>
2158 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2159 const qualifier from arg parameter. Remove unnecessary cast to char *.
2160 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2161 const qualifier from arg 2.
2163 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2165 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2167 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2170 * rtl.h (reinit_regs): New prototype.
2171 * regclass.c: Include ira.h.
2173 * Makefile.in (regclass.o): Add ira.h.
2174 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2176 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2179 * c-common.c (handle_aligned_attribute): Use
2180 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2181 default alignment value.
2183 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2185 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2186 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2188 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2189 __BIGGEST_ALIGNMENT__.
2191 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2193 2009-01-18 Richard Guenther <rguenther@suse.de>
2195 PR tree-optimization/38819
2196 * tree-flow.h (operation_could_trap_helper_p): Declare.
2197 * tree-eh.c (operation_could_trap_helper_p): Export.
2198 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2199 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2200 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2201 are about to insert a possibly trapping instruction and fail
2204 2009-01-18 Andreas Schwab <schwab@suse.de>
2206 * doc/install.texi (Configuration): Remove obsolete paragraph
2207 about use of --with-gnu-ld with --with-gnu-as.
2209 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2211 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2212 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2213 Follow spelling conventions.
2215 2009-01-18 Ben Elliston <bje@au.ibm.com>
2217 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2218 C++ warning about implicit conversion from void * to struct
2220 (bitmap_obstack_free): Likewise for bitmap_element *.
2221 * Makefile.in (bitmap.o-warn): Remove.
2223 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2225 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2227 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2228 Tobias Grosser <tobi.grosser@amd.com>
2230 * graphite.c (graphite_trans_scop_block): Do not block single
2233 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2235 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2236 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2237 test with assertion.
2239 2009-01-16 Richard Guenther <rguenther@suse.de>
2241 PR tree-optimization/38835
2243 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2244 and INT + PTR -> (INT)(PTR p+ INT) folding.
2245 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2247 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2250 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2251 the subreg from a lowpart subreg if it is also casting the value.
2253 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2254 Tobias Grosser <tobi.grosser@amd.com>
2256 * graphite.c (compare_prefix_loops): New.
2257 (build_scop_canonical_schedules): Rewritten.
2258 (graphite_transform_loops): Move build_scop_canonical_schedules
2259 after build_scop_iteration_domain.
2261 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2262 Tobias Grosser <tobi.grosser@amd.com>
2264 * graphite.c (add_conditions_to_domain): Add the loops to
2265 the dimension of the iteration domain. Do copy the domain
2266 only when it exists.
2267 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2268 (add_conditions_to_constraints): New.
2269 (can_generate_code_stmt, can_generate_code): Removed.
2270 (gloog): Do not call can_generate_code.
2271 (graphite_transform_loops): Call add_conditions_to_constraints
2272 after building the iteration domain.
2274 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2276 PR tree-optimization/38789
2277 * tree-ssa-threadedge.c
2278 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2279 __builtin_constant_p.
2281 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2283 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2284 examined before deleting them.
2286 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2288 * function.c (aggregate_value_p): Correctly extract the function
2289 type from CALL_EXPR_FN lookup.
2291 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2293 * config/picochip/picochip.c (picochip_override_options): Revert
2294 CFI asm flag disable commited previously.
2296 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2297 Tobias Grosser <tobi.grosser@amd.com>
2298 Jan Sjodin <jan.sjodin@amd.com>
2300 * graphite.c (scan_tree_for_params): On substractions negate
2301 all the coefficients of the term.
2302 (clast_to_gcc_expression_red): New. Handle reduction expressions
2303 of more than two operands.
2304 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2305 (get_vdef_before_scop): Handle also the case of default definitions.
2307 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2309 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2310 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2311 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2313 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2314 Joey Ye <joey.ye@intel.com>
2317 * cfgexpand.c (expand_stack_alignment): Don't update stack
2318 boundary nor check incoming stack boundary here.
2319 (gimple_expand_cfg): Update stack boundary and check incoming
2320 stack boundary here.
2322 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2324 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2326 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2328 PR rtl-optimization/38245
2329 * calls.c (expand_call): Add stack arguments to
2330 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2331 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2332 in regs and partially in memory or BLKmode arguments.
2333 (emit_library_call_value_1): Add stack arguments to
2334 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2335 ACCUMULATE_OUTGOING_ARGS).
2336 * dce.c: Include tm_p.h.
2337 (find_call_stack_args): New function.
2338 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2340 (mark_insn): Call find_call_stack_args for CALL_Ps.
2341 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2342 forwards. Allocate and free arg_stores bitmap if needed, pass it
2343 down to deletable_insn_p, don't mark stores set in arg_stores
2344 bitmap, clear the bitmap at the beginning of each bb.
2345 * Makefile.in (dce.o): Depend on $(TM_P_H).
2347 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2350 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2351 to make sure the insn is a conditional test (bug 22599). Reformat a
2354 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2357 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2358 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2359 (gloog): Do not call cleanup_tree_cfg.
2360 (graphite_transform_loops): Call cleanup_tree_cfg after all
2361 scops have been code generated.
2363 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2364 * doc/gty.texi (Invoking the garbage collector): Added new node
2365 and section documenting ggc_collect.
2367 2009-01-14 Richard Guenther <rguenther@suse.de>
2369 PR tree-optimization/38826
2371 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2372 initialization notes only if we actually emitted a warning.
2373 (intra_create_variable_infos): Add constraints for a result decl
2374 that is passed by hidden reference.
2375 (build_pred_graph): Mark all related variables non-direct on
2378 2009-01-14 Nick Clifton <nickc@redhat.com>
2380 * ira-conflicts.c: Include addresses.h for the definition of
2382 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2383 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2385 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2388 * Makefile.in (ira-lives.o): Add except.h.
2390 * ira-lives.c: Include except.h.
2391 (process_bb_node_lives): Process can_throw_internal.
2393 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2395 PR rtl-optimization/38774
2396 * combine.c (simplify_set): When undoing cc_use change, don't do
2397 PUT_CODE on the newly created comparison, but instead put back the
2400 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2402 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2403 values. Remove duplicate arm8 entry.
2405 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2407 PR tree-optimization/38786
2408 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2409 the SSA_NAME case of expand_scalar_variables_expr.
2410 Set the type of an expression to the type of its assign statement.
2411 (expand_scalar_variables_expr): Also gather the scalar computation
2412 used to index the memory access. Do not pass loop_p.
2413 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2414 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2415 the gimple_stmt_iterator where it inserts new code.
2417 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2418 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2420 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2422 * graphite.h (debug_value): Removed.
2423 * graphite.c (debug_value): Removed.
2425 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2427 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2428 ldrd/strd with two 32-bit instructions.
2430 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2432 * config/arm/arm.c (struct processors): Pass for speed down into
2433 cost helper functions.
2434 (const_ok_for_op): Handle COMPARE and inequality nodes.
2435 (arm_rtx_costs_1): Rewrite.
2436 (arm_size_rtx_costs): Update prototype.
2437 (arm_rtx_costs): Pass speed down to helper functions.
2438 (arm_slowmul_rtx_costs): Rework cost calculations.
2439 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2440 (arm_9e_rtx_costs): Likewise.
2442 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2444 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2445 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2446 (alpha_legitimize_address): Do not split local symbols wider than
2447 UNITS_PER_WORD into HIGH/LO_SUM parts.
2449 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2452 * gcc.c (process_command): Replace call to execvp with calls
2453 to pex_one and exit.
2455 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2458 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2459 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2460 variant for devices with 3-byte PC.
2461 (__tablejump_elpm__) : New.
2463 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2466 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2467 offsetof member-designator, handle it as `[0].'.
2469 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2471 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2472 function when not using named sections on targets with named sections
2473 if branch distance is less than 262132.
2475 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2477 * combine.c (combine_instructions): Recompute
2478 optimize_this_for_speed_p for each BB in the main combine loop.
2480 2009-01-12 Tomas Bily <tbily@suse.cz>
2483 * tree-loop-distribution.c (prop_phis): New function.
2484 (generate_builtin): Call prop_phis.
2485 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2487 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2489 PR tree-optimization/38807
2490 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2491 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2493 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2495 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2496 subreg of op0 to the original op0.
2498 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2500 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2502 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2505 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2506 starting with digits.
2508 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2511 * config/arm/arm.c (arm_is_long_call_p): Don't call
2512 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2514 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2516 * regrename.c (regrename_optimize): Fix dumping.
2517 (find_oldest_value_reg): Preserve REG_POINTER.
2518 (copy_hardreg_forward_1): Likewise.
2520 2009-01-09 Diego Novillo <dnovillo@google.com>
2522 * gimple.h (struct gimple_statement_base) <uid>: Document
2523 the restrictions on its use.
2525 (gimple_set_uid): Tidy.
2527 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2529 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2530 zero guard even if align_bytes != 0 and count is smaller than
2533 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2535 PR rtl-optimization/38495
2536 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2537 (add_range_and_copies_from_move_list): Print all added ranges.
2538 Add ranges to memory optimized destination.
2540 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2544 * config/i386/i386.c (override_options): Reject
2545 -mstringop-strategy=rep_8byte with -m32.
2546 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2547 to 1. Do count comparison against epilogue_size_needed at compile
2548 time even when count_exp was constant forced into register. For
2549 size_needed don't jump to epilogue, instead just avoid aligning
2550 and invoke the body algorithm. If need_zero_guard, add zero guard
2551 even if count is non-zero, but smaller than size_needed + number of
2552 bytes that could be stored for alignment.
2553 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2554 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2555 but smaller than size_needed + number of bytes that could be stored
2556 for alignment. Compare size_needed with epilogue_size_needed instead
2557 of desired_align - align, don't adjust size_needed, pass
2558 epilogue_size_needed to the epilogue expanders.
2561 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2563 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2565 * pa.c (last_address): Change to unsigned.
2566 (update_total_code_bytes): Change argument to unsigned. Don't
2567 check if insn addresses are set.
2568 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2569 addresses are not set.
2570 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2572 2009-01-09 Nick Clifton <nickc@redhat.com>
2574 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2575 DECL_DECLARED_INLINE_P.
2577 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2580 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2581 GET_MODE (op0) in operand_subword_force calls.
2584 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2585 fold_convert arg0 operands to TREE_TYPE (op0) first.
2587 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2589 * params.def (ira-max-conflict-table-size): Decrease default value
2592 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2594 PR tree-optimization/37031
2595 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2597 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2598 allocate it using gc instead of heap, use VEC_quick_push instead of
2600 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2601 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2602 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2603 allocated vector from heap allocated.
2604 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2605 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2606 vector only after perfect_loop_nest_depth call.
2608 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2609 Jan Sjodin <jan.sjodin@amd.com>
2611 PR tree-optimization/38559
2612 * graphite.c (debug_value, copy_constraint,
2613 swap_constraint_variables, scale_constraint_variable, ): New.
2614 (get_lower_bound, get_upper_bound): Removed.
2615 (graphite_trans_bb_strip_mine): Clean up this code that works
2616 only for constant number of iterations. Fully copy upper and
2617 lower bound constraints, not only the constant part of them.
2618 * graphite.h (debug_value): Declared.
2620 2009-01-08 Ira Rosen <irar@il.ibm.com>
2622 PR tree-optimization/37194
2623 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2624 Don't add the cost of cost model guard in prologue to scalar
2625 outside cost in case of known number of iterations.
2627 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2628 Alan Modra <amodra@bigpond.net.au>
2630 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2631 non-word-aligned REG+CONST addressing.
2633 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2636 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2637 free_after_compilation when outputting a thunk.
2638 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2639 Do not call free_after_compilation here.
2641 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2643 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2644 (ix86_valid_target_attribute_inner_p): Ditto.
2646 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2648 PR tree-optimization/38492
2649 PR tree-optimization/38498
2650 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2651 * tree-chrec.h (scev_is_linear_expression): Declared.
2652 * graphite.c (graphite_cannot_represent_loop_niter): New.
2653 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2654 (graphite_loop_normal_form): Use gcc_assert.
2655 (scan_tree_for_params): Use CASE_CONVERT.
2656 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2657 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2658 Use gcc_assert. Discard scops that contain unhandled cases.
2659 (build_scop_conditions): Return a boolean status for unhandled cases.
2660 (strip_mine_profitable_p): Print the loop number, not its depth.
2661 (is_interchange_valid): Pass the depth of the loop nest, don't
2662 recompute it wrongly.
2663 (graphite_trans_bb_block): Same.
2664 (graphite_trans_bb_block): Print tentative of loop blocking.
2665 (graphite_trans_scop_block): Do not print that the loop has been
2667 (graphite_transform_loops): Do not handle scops that contain condition
2670 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2672 AVX Programming Reference (December, 2008)
2673 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2674 (_mm256_stream_pd): Likewise.
2675 (_mm256_stream_ps): Likewise.
2677 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2678 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2679 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2680 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2681 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2682 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2683 (ix86_expand_special_args_builtin): Likewise.
2685 * config/i386/sse.md (AVXMODEDI): New.
2686 (avx_movnt<mode>): Likewise.
2687 (avx_movnt<mode>): Likewise.
2688 (<sse>_movnt<mode>): Remove AVX support.
2689 (sse2_movntv2di): Likewise.
2691 2009-01-07 Richard Guenther <rguenther@suse.de>
2694 * fold-const.c (extract_muldiv): Remove obsolete comment.
2695 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2696 to PLUS_EXPR canonicalization for the canonicalization.
2698 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2700 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2701 hosted cross-compilers generating less efficient code.
2703 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2705 * function.h (rtl_data): Add a dbr_scheduled_p field.
2706 * reorg.c (dbr_schedule): Set it.
2707 (gate_handle_delay_slots): Check it.
2708 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2709 (mips_reorg): Check flag_delayed_branch instead of
2710 mips_base_delayed_branch.
2711 (mips_override_options): Don't set mips_base_delayed_branch
2712 or flag_delayed_branch.
2714 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2716 PR rtl-optimization/38426.
2717 * ira.c (ira): Set current_function_is_leaf earlier.
2719 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2721 PR rtl-optimization/38722
2722 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2723 too early, only set a flag and modify after last possible
2726 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2729 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2730 * real.c (decimal_single_format): Correct values of emin and emax.
2731 (decimal_double_format): Ditto.
2732 (decimal_quad_format): Ditto.
2733 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2734 computation of DECnn_MIN and DECnn_MAX for corrected values of
2735 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2736 __DECnn_MIN__, and adjust its computation for the corrected value
2739 2009-01-06 Jan Hubicka <jh@suse.cz>
2742 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2744 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2746 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2747 Add Robert Clark to the list of testers.
2749 2009-01-06 Jan Hubicka <jh@suse.cz>
2750 Kai Tietz <kai.tietz@onevision.com>
2752 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2753 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2755 2009-01-06 Jan Hubicka <jh@suse.cz>
2756 Kai Tietz <kai.tietz@onevision.com>
2758 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2760 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2761 (ix86_nsaved_regs): Count only general purpose regs.
2762 (ix86_nsaved_sseregs): New.
2763 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2764 to 16 for w64; compute padding and size of sse reg save area.
2765 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2766 general purpose regs.
2767 (ix86_emit_save_sse_regs_using_mov): New.
2768 (ix86_expand_prologue): Save SSE regs if needed.
2769 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2770 (ix86_emit_restore_sse_regs_using_mov): New.
2771 (ix86_expand_epilogue): Save SSE regs if needed.
2773 2009-01-06 Jan Hubicka <jh@suse.cz>
2774 Kai Tietz <kai.tietz@onevision.com>
2776 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2777 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2778 functions when accumulate outgoing args is off.
2780 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2783 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2784 before using pseudos_have_intersected_live_ranges_p.
2786 * ira-int.h (ira_assert): Always define.
2788 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2790 AVX Programming Reference (December, 2008)
2791 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2792 (_mm256_permute2_pd): Likewise.
2793 (_mm_permute2_ps): Likewise.
2794 (_mm256_permute2_ps): Likewise.
2795 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2796 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2798 * config/i386/i386.c (ix86_builtins): Remove
2799 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2800 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2801 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2802 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2803 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2804 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2805 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2806 __builtin_ia32_vpermil2ps256.
2807 (ix86_init_mmx_sse_builtins): Updated.
2808 (ix86_expand_args_builtin): Likewise.
2810 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2812 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2813 long absolute calls when generating PA 2.0 code.
2815 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2817 PR rtl-optimization/38583
2818 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2820 * params.def (ira-max-conflict-table-size): New.
2822 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2824 * ira.h (ira_conflicts_p): New external definition.
2826 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2827 table. Report this. Return result of building.
2828 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2829 building conflict table.
2831 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2832 (ira_color): Use ira_conflicts_p.
2834 * global.c: Include ira.h.
2835 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2838 * Makefile.in (global.o): Add ira.h.
2840 * ira-build.c (mark_all_loops_for_removal,
2841 propagate_some_info_from_allocno): New.
2842 (remove_unnecessary_allocnos): Call
2843 propagate_some_info_from_allocno.
2844 (remove_low_level_allocnos): New.
2845 (remove_unnecessary_regions): Add parameter. Call
2846 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2847 parameter to remove_unnecessary_regions.
2848 (ira_build): Remove all regions but root if the conflict table was
2849 not built. Update conflict hard regs for allocnos crossing calls.
2851 * ira.c (ira_conflicts_p): New global.
2852 (ira): Define and use ira_conflicts_p.
2854 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2855 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2856 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2858 2009-01-06 Ben Elliston <bje@au.ibm.com>
2860 * gengtype-lex.l (YY_NO_INPUT): Define.
2862 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2865 * c-common.c (handle_vector_size_attribute): Also reject
2868 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2870 PR tree-optimization/38492
2871 * graphite.c (rename_map_elt, debug_rename_elt,
2872 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2873 rename_map_elt_info, eq_rename_map_elts,
2874 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2875 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2876 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2877 (sese_build_livein_liveouts): New.
2878 (new_sese, free_sese): New.
2879 (new_scop): Call new_sese.
2880 (free_scop): Call free_sese.
2881 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2882 (register_old_new_names): Renamed register_old_and_new_names.
2883 (register_scop_liveout_renames, add_loop_exit_phis,
2884 insert_loop_close_phis, struct igp,
2885 default_liveout_before_guard, add_guard_exit_phis,
2886 insert_guard_phis, copy_renames): New.
2887 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2888 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2889 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2890 (scop_adjust_phis_for_liveouts): New.
2891 (gloog): Call scop_adjust_phis_for_liveouts.
2893 * graphite.h (struct sese): Documented. Added fields liveout,
2895 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2896 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2897 (struct scop): Added field liveout_renames.
2898 (SCOP_LIVEOUT_RENAMES): New.
2900 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2902 PR tree-optimization/38510
2903 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2904 (translate_clast): Call recompute_all_dominators before
2906 (gloog): Call recompute_all_dominators before graphite_verify.
2908 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2909 Jan Sjodin <jan.sjodin@amd.com>
2911 PR tree-optimization/38500
2912 * graphite.c (create_sese_edges): Call fix_loop_structure after
2915 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2917 * config.gcc: Add m32r*-*-rtems*.
2918 * config/m32r/rtems.h: New file.
2920 2009-01-05 Ben Elliston <bje@au.ibm.com>
2922 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2923 (.po.pox): Likewise.
2924 (po/gcc.pot): Likewise.
2926 2009-01-04 David S. Miller <davem@davemloft.net>
2928 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2929 (STARTING_FRAME_OFFSET): Always set to zero.
2931 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2933 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2934 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2935 fixed-point types, and vectors of the same.
2937 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2939 * config/mips/sync.md (*mb_barrier): Rename to...
2940 (*memory_barrier): ...this.
2942 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2944 * doc/extend.texi (Function Attributes): Move @cindex after @item
2945 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2946 and put in alphabetical order. Fix 'target' name and put in order.
2947 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2950 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2952 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2953 (memory_barrier): Expand as unspec instead of unspec_volatile.
2954 Remove mem:BLK from insn operands. Use Pmode scratch register.
2955 (*memory_barrier): Define as unspec instead of unspec_volatile.
2956 Use (match_dup 0) as input operand.
2958 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2959 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2960 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2961 scratch register. Remove operand 1.
2962 (*stbar): Define as unspec instead of unspec_volatile.
2963 Use (match_dup 0) as input operand, remove (const_int 8).
2964 (*membar): Define as unspec instead of unspec_volatile.
2965 Use (match_dup 0) as input operand, remove input operand 2.
2967 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2968 (memory_barrier): Expand as unspec instead of unspec_volatile.
2969 Remove mem:BLK from insn operands. Use Pmode scratch register.
2970 (*memory_barrier): Define as unspec instead of unspec_volatile.
2971 Use (match_dup 0) as input operand.
2973 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2974 Remove mem:BLK from insn operands. Use Pmode scratch register.
2975 Set volatile flag on operand 0.
2976 (*memory_barrier): New insn pattern.
2978 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2980 (*memory_barrier): Use (match_dup 0) as input operand.
2982 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2983 Remove mem:BLK from insn operands. Use Pmode scratch register.
2984 Set volatile flag on operand 0.
2985 (*mb_internal): New insn pattern.
2987 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2989 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2992 * function.c (struct temp_slot): Move to the section of the file
2993 that deals with temp slots. Remove field 'address'.
2994 (temp_slot_address_table): New hash table of address -> temp slot.
2995 (struct temp_slot_address_entry): New struct, items for the table.
2996 (temp_slot_address_compute_hash, temp_slot_address_hash,
2997 temp_slot_address_eq, insert_temp_slot_address): Support functions
2999 (find_temp_slot_from_address): Rewrite to use the new hash table.
3000 (remove_unused_temp_slot_addresses): Remove addresses of temp
3001 slots that have been made available.
3002 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3003 worker function for remove_unused_temp_slot_addresses.
3004 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3005 Add the temp slot address to the address -> temp slot map.
3006 (update_temp_slot_address): Update via insert_temp_slot_address.
3007 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3008 (pop_temp_slots): Likewise.
3009 (init_temp_slots): Allocate the address -> temp slot map, or empty
3010 the map if it is already allocated.
3011 (prepare_function_start): Initialize temp slot processing.
3013 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3016 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3017 Calculate the size of all stack vars assuming no packing of stack
3018 vars will happen, replacing a quadratic algorithm with a linear one.
3020 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3023 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3026 2009-01-03 Diego Novillo <dnovillo@google.com>
3028 * doc/contrib.texi: Update contributions.
3030 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3033 * builtins.c (fold_builtin_memory_op): Give up if either operand
3034 is volatile. Set srctype or desttype to non-qualified version
3038 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3041 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3043 PR rtl-optimization/35805
3044 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3045 problem if fast dce is able to remove any instructions.
3046 * dce.c (dce_process_block): Fix dump message.
3048 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3051 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3053 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3056 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3057 * tree-pretty-print.c (op_code_prio): New function.
3058 (op_prio): No longer static. Use op_code_prio.
3059 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3060 Use op_prio and op_code_prio to determine if () should be
3061 printed around operand(s) or not.
3063 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3064 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3065 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3066 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3067 pp_character instead of pp_string for single letter printing.
3069 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3071 * doc/extend.texi: Fix '#pragma GCC option' typo.
3073 2009-01-02 Richard Guenther <rguenther@suse.de>
3075 * doc/install.texi (--enable-checking): Mention different
3077 (--enable-stage1-checking): Document.
3079 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3082 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3083 case to be an error.
3085 2009-01-02 Ben Elliston <bje@au.ibm.com>
3087 * config/fp-bit.h (pack_d): Constify argument.
3088 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3089 (isnan): Constify argument.
3093 (_fpadd_parts): Constify return type.
3094 (_fpmul_parts): Likewise.
3095 (_fpdiv_parts): Likewise.
3097 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3100 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3101 warn about overwriting initializer with side-effects or
3102 -Woverride-init if !IMPLICIT.
3103 (output_init_element): Likewise. Pass IMPLICIT down to
3105 (process_init_element): Add IMPLICIT argument. Pass it down
3106 to output_init_element.
3107 (push_init_element, pop_init_level, set_designator): Adjust
3108 process_init_element callers.
3109 (set_nonincremental_init, set_nonincremental_init_from_string):
3110 Adjust add_pending_init callers.
3111 (output_pending_init_elements): Adjust output_init_element callers.
3112 * c-tree.h (process_init_element): Adjust prototype.
3113 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3114 process_init_element callers.