1 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
4 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
5 (is_simple_operand): Call contains_component_ref_p before calling data
6 reference analysis that would fail on COMPONENT_REFs.
8 * tree-vrp.c (search_for_addr_array): Fix formatting.
10 2009-03-18 Richard Guenther <rguenther@suse.de>
12 * tree-vect-transform.c (vect_loop_versioning): Fold the
13 generated comparisons.
14 * tree-vectorizer.c (set_prologue_iterations): Likewise.
15 (slpeel_tree_peel_loop_to_edge): Likewise.
17 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20 * opts.c (print_specific_help): In addition to `undocumented',
21 accept `separate' and `joined' flags if passed alone. Describe
22 output by the first matched one of those.
23 (common_handle_option): Skip over empty strings.
24 * gcc.c (display_help): Fix help string for `--help='.
25 * doc/invoke.texi (Option Summary, Overall Options): With
26 `--help=', classes and qualifiers can both be repeated, but
27 only the latter can be negated. One should not pass only
28 negated qualifiers. Fix markup and examples.
31 2008-10-14 Jakub Jelinek <jakub@redhat.com>
33 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
36 2009-03-17 Jing Yu <jingyu@google.com>
39 * function.h: Move is_thunk from rtl_data structure to function
41 * varasm.c (assemble_start_function): Change is_thunk from crtl to
43 * config/alpha/alpha.c: Change is_thunk from crtl to cfun.
44 * config/rs6000/rs6000.c: Change is_thunk from crtl to cfun.
45 * config/arm/arm.h: Change is_thunk from crtl to cfun.
47 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
50 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
51 from different units in a single alternative.
52 (*truncdfsf_i387): Ditto.
53 (*truncxfsf2_mixed): Ditto.
54 (*truncxfdf2_mixed): Ditto.
56 2009-03-17 Jakub Jelinek <jakub@redhat.com>
58 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
59 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
62 * tree-ssa-live.c (remove_unused_locals): Don't remove local
63 unused non-artificial variables when not optimizing.
66 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
67 DW_TAG_imported_module even if decl is IMPORTED_DECL with
68 NAMESPACE_DECL in its DECL_INITIAL.
71 * optabs.c (set_user_assembler_libfunc): New function.
72 * expr.h (set_user_assembler_libfunc): New prototype.
73 * c-common.c: Include libfuncs.h.
74 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
75 for memcmp, memset, memcpy, memmove and abort.
76 * Makefile.in (c-common.o): Depend on libfuncs.h.
79 * dwarf2out.c (gen_inlined_enumeration_type_die,
80 gen_inlined_structure_type_die, gen_inlined_union_type_die,
81 gen_tagged_type_instantiation_die): Removed.
82 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
85 2009-03-17 Janis Johnson <janis187@us.ibm.com>
88 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
90 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
91 (check-parallel-%): Ditto.
92 (check-consistency): Ditto.
94 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
96 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
97 local variable rhs by NULL_TREE.
99 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
102 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
104 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
107 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
109 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
112 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
113 for ms->sysv ABI calls only in 64bit mode.
115 * config/i386/i386.md (untyped_call): Support 32bit.
117 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
119 * doc/extend.texi: Replace x86_65 with x86_64.
121 2009-03-16 Jakub Jelinek <jakub@redhat.com>
123 PR tree-optimization/39455
124 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
125 mismatches for POINTER_TYPE_P (type).
126 (number_of_iterations_le): Likewise.
128 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
130 * config/picochip/picochip.c: Removed profiling support.
131 * config/picochip/picochip.md: Removed profiling instruction.
132 * config/picochip/picochip.h: Removed profiling builtin.
134 2009-03-16 Joseph Myers <joseph@codesourcery.com>
136 * doc/install.texi (--with-host-libstdcxx): Document.
138 2009-03-14 Anatoly Sokolov <aesok@post.ru>
141 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
142 generate a warning if the function name does not begin with
143 "__vector" and the function has either the 'signal' or 'interrupt'
144 attribute, from here to ...
145 (avr_declare_function_name): ...here. New function.
146 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
147 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
149 2009-03-14 Jakub Jelinek <jakub@redhat.com>
152 * cse.c (fold_rtx): Don't modify original const_arg1 when
153 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
154 separate variable instead.
155 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
156 from out of range shift counts.
157 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
159 2008-03-13 Catherine Moore <clm@codesourcery.com>
161 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
162 diagnostic.h with $(DIAGNOSTIC_H).
164 2008-03-12 Jakub Jelinek <jakub@redhat.com>
167 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
169 * config/i386/sync.md (sync_compare_and_swap<mode>,
170 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
171 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
173 (sync_double_compare_and_swapdi_pic,
174 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
175 cmpxchg8b_pic_memory_operand instead of just memory_operand.
177 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
180 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
182 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
185 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
186 (avx_addsubv4df3): Likewise.
187 (*avx_addsubv4sf3): Likewise.
188 (sse3_addsubv4sf3): Likewise.
190 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
193 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
195 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
198 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
199 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
200 registers for allocnos created from user-defined variables.
202 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
205 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
206 of non-integer mode as well.
208 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
210 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
211 for functions for which the parameter types are unknown.
213 2009-03-11 Jakub Jelinek <jakub@redhat.com>
216 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
217 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
218 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
219 * config/i386/i386.c (ix86_local_alignment): For
220 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
221 long long variables on the stack to avoid dynamic realignment.
222 Allow the first argument to be a decl rather than type.
223 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
225 2009-03-11 Nick Clifton <nickc@redhat.com>
228 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
230 Add description to mno-lsim option.
231 * config/mcore/mcore.h: Remove comment about deprecated m4align
233 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
234 * doc/invoke.texi: Add description of mno-lsim and
235 mstack-increment options.
237 * config/fr30/fr30.opt: Document the -mno-lsim option.
238 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
239 and -mno-lsim options.
241 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
243 * fold-const.c (fold_comparison): Only call fold_inf_compare
244 if the mode supports infinities.
246 2009-03-11 Jason Merrill <jason@redhat.com>
249 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
250 end already did. Notice GIMPLE_CALL modifications of the result.
251 Don't copy debug information from an ignored decl or a decl from
254 2009-03-10 Richard Guenther <rguenther@suse.de>
255 Nathan Froyd <froydnj@codesourcery.com>
258 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
259 (__divMODE3): Likewise.
261 2009-03-09 Jakub Jelinek <jakub@redhat.com>
263 PR tree-optimization/39394
264 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
265 DECL_SIZE_UNIT of variable length FIELD_DECLs.
267 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
269 * recog.c (verfiy_changes): Disallow renaming of hard regs in
270 inline asms for register asm ("") declarations.
272 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
274 * fold-const.c (fold_unary): Fix comment.
276 2009-03-07 Jan Hubicka <jh@suse.cz>
279 * tree-inline.c (setup_one_parameter): Do replacement of const argument
280 by constant in SSA form.
282 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
285 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
286 determine alignment passed to assign_stack_local.
287 (assign_parms_unsplit_complex): Likewise.
288 * except.c (sjlj_build_landing_pads): Likewise.
290 2009-03-06 Jakub Jelinek <jakub@redhat.com>
293 * tree-flow.h (add_referenced_var): Return bool instead of void.
294 * tree-dfa.c (add_referenced_var): Return result of
295 referenced_var_check_and_insert call.
296 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
297 of referenced_var_check_and_insert.
300 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
301 (gen_variable_die): Emit DW_AT_location on abstract static variable's
302 DIE, don't emit it if abstract origin already has it.
303 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
304 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
306 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
308 * genpreds.c: (needs_variable): Fix parentheses at variable name
310 (write_tm_constrs_h): Indent generated code.
312 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
314 * doc/extend.texi (Function Attributes): Add documentation
317 2009-03-06 Jakub Jelinek <jakub@redhat.com>
320 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
321 take locus from its DECL_SOURCE_LOCATION instead of input_location.
323 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
325 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
328 2009-03-05 Jakub Jelinek <jakub@redhat.com>
331 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
332 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
334 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
336 * config/i386/i386.md (R8_REG, R9_REG): New constants.
337 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
338 constants instead of magic numbers.
339 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
341 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
342 (x86_64_ms_abi_int_parameter_registers): Ditto.
343 (x86_64_int_return_registers): Ditto.
344 (ix86_maybe_switch_abi): Ditto.
345 (ix86_expand_call): Ditto for clobbered_registers array.
346 (ix86_hard_regno_mode_ok): Ditto.
347 (x86_extended_QIreg_mentioned_p): Ditto.
349 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
351 PR tree-optimization/39349
352 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
354 * combine.c (gen_lowpart_for_combine): Use omode when generating
357 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
359 PR rtl-optimization/39235
360 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
362 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
364 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
366 2009-03-04 Richard Guenther <rguenther@suse.de>
368 PR tree-optimization/39362
369 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
370 that occur in abnormal PHIs should be varying.
372 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
374 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
376 (simple_iv): Take loop as an argument instead of statement.
377 * tree-scalar-evolution.h (simple_iv): Declaration changed.
378 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
380 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
382 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
383 * matrix-reorg.c (analyze_transpose): Ditto.
384 * tree-data-ref.c (dr_analyze_innermost): Ditto.
385 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
386 * tree-predcom.c (ref_at_iteration): Ditto.
387 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
389 2009-03-04 Richard Guenther <rguenther@suse.de>
391 PR tree-optimization/39358
392 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
393 escaped_id and callused_id.
394 (solve_graph): Likewise.
396 2009-03-04 Richard Guenther <rguenther@suse.de>
398 PR tree-optimization/39339
399 * tree-sra.c (try_instantiate_multiple_fields): Make it
400 no longer ICE on the above.
402 2009-03-03 Joseph Myers <joseph@codesourcery.com>
404 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
405 that fits within Pmode.
407 2009-03-03 Steve Ellcey <sje@cup.hp.com>
410 * tm.texi (LIBCALL_VALUE): Update description.
412 2009-03-03 Steve Ellcey <sje@cup.hp.com>
415 * doc/extend.texi (section): Update description.
417 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
420 * tree-inline.c (remapped_type): New.
421 (can_be_nonlocal): Call remapped_type instead of remap_type.
423 2009-03-03 Jakub Jelinek <jakub@redhat.com>
426 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
427 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
429 2009-03-03 Richard Guenther <rguenther@suse.de>
432 * tree.c (tree_nonartificial_location): New function.
433 * tree.h (tree_nonartificial_location): Declare.
434 * builtins.c (expand_builtin_memory_chk): Provide location
435 of the call location for artificial function pieces.
436 (maybe_emit_chk_warning): Likewise.
437 (maybe_emit_sprintf_chk_warning): Likewise.
438 (maybe_emit_free_warning): Likewise.
439 * expr.c (expand_expr_real_1): Likewise.
441 2009-03-03 Jakub Jelinek <jakub@redhat.com>
443 PR tree-optimization/39343
444 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
445 COMPONENT_REF t has ARRAY_TYPE.
447 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
450 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
451 when the type precision of the induction variable should be
452 larger than the type precision of nit.
453 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
454 * graphite.c (graphite_loop_normal_form): Same.
455 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
457 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
459 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
460 (*call_1_rex64_ms_sysv): Use named constants instead of magic
461 numbers to describe clobbered registers.
462 (*call_value_0_rex64_ms_sysv): Ditto.
463 * config/i386/mmx.md (mmx_emms): Ditto.
466 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
468 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
471 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
473 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
474 (spu_section_type_flags): New function.
476 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
478 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
479 reg_class_contents of FLOAT_REGS into a temporary.
481 2009-03-02 Richard Guenther <rguenther@suse.de>
482 Ira Rosen <irar@il.ibm.com>
484 PR tree-optimization/39318
485 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
486 information to the vectorized statement.
488 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
490 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
491 variable. Use defined names instead of magic constants for REX SSE
494 2009-03-01 Richard Guenther <rguenther@suse.de>
496 PR tree-optimization/39331
497 * omp-low.c (lower_send_shared_vars): Do not receive new
498 values for the reference of DECL_BY_REFERENCE parms or results.
500 2009-03-01 Jan Hubicka <jh@suse.cz>
503 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
504 BLOCK_NONLOCALIZED_VAR): New macros.
505 (tree_block): Add nonlocalized_vars.
506 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
507 gen_decl_die): Add origin argument. Allow generation of die with
509 (gen_member_die, gen_type_die_with_usage, force_decl_die,
510 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
512 (gen_block_die): Fix checking for unused blocks.
513 (process_scope_var): Break out from .... ; work with origins only.
514 (decls_for_scope) ... here; process nonlocalized list.
515 (dwarf2out_ignore_block): Look for nonlocalized vars.
516 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
518 (dump_scope_block): Dump them.
519 * tree-inline.c (remap_decls): Handle nonlocalized vars.
520 (remap_block): Likewise.
521 (can_be_nonlocal): New predicate.
522 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
524 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
526 * configure: Regenerate.
528 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
530 * optc-gen.awk: No need to duplicate option flags twice.
531 Reuse help texts for duplicate options which do not have any.
533 * gcc.c (display_help): Document --version.
535 * gcc.c (main): If print_help_list and verbose_flag, ensure
536 driver output comes before subprocess output.
538 * optc-gen.awk: Assign all remaining fields to help string,
539 space-separated, for multi-line help in *.opt.
541 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
542 -Wno-pedantic-ms-format is for MinGW targets only.
544 * doc/options.texi (Option file format): Fix bad indentation,
545 restoring dropped sentence.
547 2009-02-28 Jan Hubicka <jh@suse.cz>
549 * tree-inline.c (tree_function_versioning): Output debug info.
551 2009-02-28 Jan Hubicka <jh@suse.cz>
554 * tree-inline.c (setup_one_parameter): Do not copy propagate
555 arguments when not optimizing.
557 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
560 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
561 (avx_addsubv4df3): Likewise.
562 (*avx_addsubv4sf3): Likewise.
563 (sse3_addsubv4sf3): Likewise.
564 (*avx_addsubv2df3): Likewise.
565 (sse3_addsubv2df3): Likewise.
566 (avx_unpckhps256): Correct item selectors.
567 (avx_unpcklps256): Likewise.
568 (avx_unpckhpd256): Likewise.
569 (avx_unpcklpd256): Likewise.
571 2009-02-28 Jan Hubicka <jh@suse.cz>
573 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
575 (copy_arguments_for_versioning): If var is declared don't declare it.
576 (tree_function_versioning): First setup substitutions and then copy
579 2009-02-27 Jan Hubicka <jh@suse.cz>
582 * cgraph.h (varpool_output_debug_info): Remove.
583 * cgraphunit.c (varpool_output_debug_info): Remove.
584 * dwarf2out.c (deferred_locations_struct): New struct
585 (deferred_locations): New type.
586 (deferred_locations_list): New static var.
587 (deffer_location): New function.
588 (gen_variable_die): Use it.
589 (decls_for_scope): Output info on local static vars.
590 (dwarf2out_finish): Process deferred locations.
591 * varpool.c (varpool_output_debug_info): Remove.
593 2009-02-27 Jan Hubicka <jh@suse.cz>
596 * tree.h (TREE_PROTECTED): Fix comment.
597 (BLOCK_HANDLER_BLOCK): Remove.
598 (struct tree_block): Remove handler_block add body_block.
599 (inlined_function_outer_scope_p): New.
600 (is_body_block): Remove.
601 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
602 * dwarf2out.c (is_inlined_entry_point): Remove.
603 (add_high_low_attributes): Use inlined_function_outer_scope_p.
604 (gen_block_die): Use is_inlined_entry_point check. Remove body block
606 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
607 * gimplify.c (gimplify_expr): Gimplify body blocks.
608 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
609 block with multiple subblocks.
610 (dump_scope_block): Prettier output; dump more flags and info.
611 (dump_scope_blocks): New.
612 (remove_unused_locals): Use dump_scope_blocks.
613 * tree-flow.h (dump_scope_blocks): Declare.
614 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
615 * stmt.c (is_body_block): Remove.
616 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
617 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
619 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
622 * graphite.c (graphite_loop_normal_form): Do not call
623 number_of_iterations_exit from a gcc_assert.
625 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
627 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
628 jumps if COND is NULL.
629 (find_cond_jump): New function.
630 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
631 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
633 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
635 * config/alpha/alpha.h (alpha_expand_mov): Return false if
636 force_const_mem returns NULL_RTX.
638 2009-02-26 Jan Hubicka <jh@suse.cz>
641 * cgraph.h (varpool_output_debug_info): Remove.
642 * cgraphunit.c (varpool_output_debug_info): Remove.
643 * dwarf2out.c (deferred_locations_struct): New struct
644 (deferred_locations): New type.
645 (deferred_locations_list): New static var.
646 (deffer_location): New function.
647 (gen_variable_die): Use it.
648 (decls_for_scope): Output info on local static vars.
649 (dwarf2out_finish): Process deferred locations.
650 * varpool.c (varpool_output_debug_info): Remove.
652 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
654 PR rtl-optimization/39241
655 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
656 to subreg_offset_representable_p.
658 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
660 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
661 execute function prototype. Get f and nregs from max_reg_num
662 and get_insns. Remove the first backward pass as it's dead,
663 guard the forward pass by flag_expensive_optimizations.
664 (rest_of_handle_regmove): Delete.
665 (pass_regmove): Replace it with regmove_optimize.
667 2009-02-25 Martin Jambor <mjambor@suse.cz>
669 PR tree-optimization/39259
670 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
671 calls_alloca function flags.
672 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
675 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
677 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
678 flags_set_1_rtx, flags_set_1_set): Delete.
679 (regmove_optimize): Do not call mark_flags_life_zones.
681 2009-02-24 Julian Brown <julian@codesourcery.com>
684 * config/arm/arm.c (require_pic_register): Only set
685 cfun->machine->pic_reg once per function.
687 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
689 * doc/invoke.texi (Link Options): Document an easier way to pass
690 options that take arguments to the GNU linker using -Xlinker and -Wl.
692 2009-02-24 Steve Ellcey <sje@cup.hp.com>
695 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
697 2009-02-24 Richard Guenther <rguenther@suse.de>
700 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
702 2009-02-24 Richard Guenther <rguenther@suse.de>
703 Zdenek Dvorak <ook@ucw.cz>
705 PR tree-optimization/39233
706 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
707 from converting them to a generic type.
709 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
711 PR tree-optimization/39260
712 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
713 contains a condition with a real type.
714 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
716 2009-02-23 Jason Merrill <jason@redhat.com>
719 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
720 narrowing_initializer_constant_valid_p.
721 (narrowing_initializer_constant_valid_p): Don't return
722 null_pointer_node for adding a pointer to itself.
724 2009-02-23 Jan Hubicka <jh@suse.cz>
727 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
730 2009-02-23 Jan Hubicka <jh@suse.cz>
732 PR tree-optimization/37709
733 * tree.c (block_ultimate_origin): Move here from dwarf2out.
734 * tree.h (block_ultimate_origin): Declare.
735 * dwarf2out.c (block_ultimate_origin): Move to tree.c
736 * tree-ssa-live.c (remove_unused_scope_block_p):
737 Eliminate blocks containig no instructions nor live variables nor
739 (dump_scope_block): New function.
740 (remove_unused_locals): Enable removal of dead blocks by default;
741 enable dumping at TDF_DETAILS.
743 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
745 * config/i386/i386.c (classify_argument): Don't allow COImode
747 (function_arg_advance_32): Don't allow OImode.
748 (function_arg_32): Likewise.
749 (function_value_32): Likewise.
750 (return_in_memory_32): Likewise.
751 (function_arg_64): Remove OImode comment.
753 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
756 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
757 ix86_expand_vector_set for V4DImode in 64bit mode only.
758 (ix86_expand_vector_init_one_var): Likewise.
760 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
762 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
764 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
767 * loop-iv.c: Revert last change.
768 * emit-rtl.c: Likewise.
770 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
773 * config/i386/i386.c (type_natural_mode): Remove an extra
774 space in the warning message.
775 (function_value_32): Handle 32-byte vector modes.
776 (return_in_memory_32): Likewise.
778 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
780 * loop-iv.c (truncate_value): New function.
781 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
783 (lowpart_subreg): Move to...
784 * emit-rtl.c: ...here.
786 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
788 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
789 accidental and undocumented change at revision 140860.
791 2009-02-21 Joseph Myers <joseph@codesourcery.com>
793 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
794 take gimple_seq * arguments.
795 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
796 types_compatible_p langhook.
798 2009-02-20 Mark Mitchell <mark@codesourcery.com>
799 Joseph Myers <joseph@codesourcery.com>
801 * config/arm/arm.c (arm_builtin_va_list): New function.
802 (arm_expand_builtin_va_start): Likewise.
803 (arm_gimplify_va_arg_expr): Likewise.
804 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
805 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
806 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
807 (va_list_type): New variable.
808 (arm_mangle_type): Mangle va_list_type appropriately.
810 2009-02-20 Jakub Jelinek <jakub@redhat.com>
813 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
814 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
815 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
816 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
817 parameter to 1000 for -O1 by default.
818 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
820 * loop-invariant.c: Include params.h.
821 (move_loop_invariants): Don't call move_single_loop_invariants on
824 2009-02-20 Jaka Mocnik <jaka@xlab.si>
826 * calls.c (emit_library_call_value_1): Use slot_offset instead of
827 offset when calculating bounds for indexing stack_usage_map. Fixes
828 a buffer overflow with certain target setups.
830 2009-02-20 Jakub Jelinek <jakub@redhat.com>
833 * calls.c (expand_call): Clear try_tail_call if caller and callee
834 disagree in promotion of function return value.
836 2009-02-19 Jakub Jelinek <jakub@redhat.com>
839 * c-common.c (c_determine_visibility): If visibility changed and
840 DECL_RTL has been already set, call make_decl_rtl to update symbol
843 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
846 * varasm.c (assemble_variable): Don't check DECL_NAME when
847 globalizing a variable.
849 2009-02-19 Joseph Myers <joseph@codesourcery.com>
852 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
853 expression before any __builtin_trap call.
854 * c-typeck.c (build_function_call): Convert and check function
855 arguments before generating a call to a trap. Evaluate the
856 function arguments before the trap.
858 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
861 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
862 (UNSPEC_FXAM_MEM): New unspec.
863 (fxam<mode>2_i387_with_temp): New insn and split pattern.
864 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
865 memory using fxam<mode>2_i387_with_temp to remove excess precision.
867 2009-02-19 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/39207
870 PR tree-optimization/39074
871 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
872 storedanything_tree): New.
873 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
874 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
875 (build_succ_graph): Add edges from STOREDANYTHING to all
877 (init_base_vars): Initialize STOREDANYTHING.
878 (compute_points_to_sets): Free substitution info after
879 building the succ graph.
880 (ipa_pta_execute): Likewise.
882 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
884 (do_ds_constraint): Do not add to special var or non-pointer
886 (type_could_have_pointers): Split out from ...
887 (could_have_pointers): ... here. For arrays use the element type.
888 (create_variable_info_for): Initialize may_have_pointers.
889 (new_var_info): Likewise.
890 (handle_lhs_call): Make the HEAP variable unknown-sized.
891 (intra_create_variable_infos): Use a type with pointers for
892 PARM_NOALIAS, make it unknown-sized.
894 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
897 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
899 2009-02-18 Jason Merrill <jason@redhat.com>
902 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
903 value if DECL_EXTERNAL.
904 * tree-sra.c (sra_walk_gimple_assign): Likewise.
905 * target.h (gcc_target::binds_local_p): Clarify "module".
906 * tree.h (TREE_PUBLIC): Clarify "module".
908 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
911 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
912 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
914 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
917 * c.opt (Wabi): Support C and ObjC.
920 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
922 * config/i386/i386.c (classify_argument): Warn once about the ABI
923 change when passing union with long double.
925 * doc/invoke.texi: Update -Wabi for warning psABI changes.
927 2009-02-18 Joseph Myers <joseph@codesourcery.com>
930 * c-parser.c (c_parser_compound_statement): Always enter and leave
933 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
936 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
938 2009-02-18 Jakub Jelinek <jakub@redhat.com>
940 PR tree-optimization/36922
941 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
942 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
945 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
947 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
950 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
952 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
954 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
956 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
959 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
960 Richard Sandiford <rdsandiford@googlemail.com>
962 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
963 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
964 (loongson_biadd): ...this.
966 2009-02-17 Richard Guenther <rguenther@suse.de>
968 PR tree-optimization/39202
969 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
970 a var make sure to follow existing collapses.
972 2009-02-17 Richard Guenther <rguenther@suse.de>
975 * langhooks.c (lhd_print_error_function): Check for NULL block.
977 2009-02-17 Richard Guenther <rguenther@suse.de>
979 PR tree-optimization/39204
980 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
983 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
985 * config/soft-fp/double.h: Update from glibc CVS.
987 2009-02-17 Richard Guenther <rguenther@suse.de>
989 PR tree-optimization/39207
990 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
991 strict-aliasing warnings for pointers pointing to NULL.
993 2009-02-16 Joseph Myers <joseph@codesourcery.com>
996 * c-parser.c (c_parser_braced_init): Call pop_init_level when
997 skipping until next close brace.
999 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1002 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1003 to function argument boundary.
1005 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1007 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1008 in the lea_add. Reload eventually constraints it properly.
1009 * config/picochip/constraints.md : Remove the target constraint
1010 "b", since it is not needed anymore.
1012 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1014 * gthr-dce.h: Uglify function parameter and local variable names.
1015 * gthr-gnat.h: Likewise.
1016 * gthr-mipssde.h: Likewise.
1017 * gthr-nks.h: Likewise.
1018 * gthr-posix95.h: Likewise.
1019 * gthr-posix.h: Likewise.
1020 * gthr-rtems.h: Likewise.
1021 * gthr-single.h: Likewise.
1022 * gthr-solaris.h: Likewise.
1023 * gthr-tpf.h: Likewise.
1024 * gthr-vxworks.h: Likewise.
1025 * gthr-win32.h: Likewise.
1027 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1030 * config/i386/i386.md: Restrict the new peephole2 to move
1031 between MMX/SSE registers.
1033 2009-02-15 Richard Guenther <rguenther@suse.de>
1036 2009-02-13 Richard Guenther <rguenther@suse.de>
1038 * configure.ac: Enable LFS.
1039 * configure: Re-generate.
1040 * config.in: Likewise.
1042 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1044 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1045 spu_srqwbyte, spu_srqwbytebc): Define.
1046 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1047 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1048 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1049 "shrqby_<mode>"): New insn-and-split patterns.
1050 * config/spu/spu.c (expand_builtin_args): Determine and return
1051 number of operands using spu_builtin_description data.
1052 (spu_expand_builtin_1): Use it.
1054 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1057 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1060 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1063 * config/i386/i386.c (override_options): Correct warning
1064 messages for -malign-loops, -malign-jumps and -malign-functions.
1066 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1069 * config/i386/i386.md: Restrict the new peephole2 to move
1070 between the general purpose registers.
1072 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1075 * config/i386/i386.c (type_natural_mode): Add a new argument.
1076 Return the original mode and warn ABI change if vector size is 32byte.
1077 (function_arg_advance): Updated.
1078 (function_arg): Likewise.
1079 (ix86_function_value): Likewise.
1080 (ix86_return_in_memory): Likewise.
1081 (ix86_sol10_return_in_memory): Likewise.
1082 (ix86_gimplify_va_arg): Likewise.
1083 (function_arg_32): Don't warn ABX ABI change here.
1084 (function_arg_64): Likewise.
1086 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1088 * loop-iv.c (implies_p): In the final case, test that operands 0
1089 of the two comparisons match.
1091 * config/bfin/bfin.c (find_prev_insn_start): New function.
1092 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1093 (find_next_insn_start): Move.
1095 2009-02-13 Richard Guenther <rguenther@suse.de>
1097 * configure.ac: Enable LFS.
1098 * configure: Re-generate.
1099 * config.in: Likewise.
1101 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1104 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1105 sizes on syntax error after some arguments have been parsed.
1107 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1109 * doc/invoke.texi (-fira): Remove.
1111 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1113 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1114 * recog.c: Likewise.
1117 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1119 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1120 (umul_ppmm): Likewise.
1121 (count_leading_zeros): Likewise.
1122 (count_trailing_zeros): Likewise.
1123 (UMUL_TIME): Likewise.
1125 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1127 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1128 soft-fp/t-softfp to tmake_file.
1130 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1131 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1132 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1133 IA64_BUILTIN_INFQ]: New.
1134 (ia64_init_builtins): Initialize __builtin_infq,
1135 __builtin_fabsq and __builtin_copysignq if not HPUX.
1136 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1137 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1139 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1141 (__fixtfti): Likewise.
1142 (__fixunstfti): Likewise.
1143 (__floattitf): Likewise.
1145 * config/ia64/libgcc-glibc.ver: New.
1146 * config/ia64/t-fprules-softfp: Likewise.
1147 * config/ia64/sfp-machine.h: Likewise.
1149 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1150 (LIBGCC2_TF_CEXT): Likewise.
1151 (TF_SIZE): Likewise.
1152 (TARGET_INIT_LIBFUNCS): Likewise.
1154 * config/ia64/t-glibc (SHLINB_MAPFILES):
1155 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1157 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1159 * config/i386/i386.c (construct_container): Rewrite processing
1160 BLKmode with X86_64_SSE_CLASS.
1162 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1165 * config/i386/i386.md: Replace simplify_replace_rtx with
1166 replace_rtx in the new peephole2.
1168 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1170 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1171 loop unrolling do not happen at -O2.
1173 2009-02-12 Michael Matz <matz@suse.de>
1175 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1177 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1179 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1182 2009-02-12 Ben Elliston <bje@au.ibm.com>
1184 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1185 patterns when updating the back chain. Missed in the 2009-02-10
1188 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1190 * doc/extend.texi (Decimal Floating Types): Update identifier of
1191 draft TR and list of missing support.
1193 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1196 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1197 bit to variable length decl's flags, add it also to its
1198 pointer replacement variable.
1200 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1201 Jakub Jelinek <jakub@redhat.com>
1204 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1205 (memory_blockage): New expander.
1206 (*memory_blockage): New insn pattern.
1207 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1208 instead of general blockage at the end of function prologue when
1209 frame pointer is used to access red zone area. Do not emit blockage
1210 when profiling, it is emitted in generic code.
1211 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1212 function epilogue when frame pointer is used to access red zone area.
1214 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1217 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1218 by arithmetic with memory operands.
1219 * config/i386/predicates.md (commutative_operator): New.
1221 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1223 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1226 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1228 * alias.h (record_alias_subset): Declare.
1229 * alias.c (record_alias_subset): Make global.
1231 2009-02-10 Nick Clifton <nickc@redhat.com>
1233 * tree-parloops.c: Change license to GPLv3.
1234 * ipa-struct-reorg.c: Change license to GPLv3.
1235 * ipa-struct-reorg.h: Change license to GPLv3.
1237 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1240 * c-decl.c (start_struct): Return NULL on error.
1242 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1245 * cfgloopmanip.c (remove_path): Call remove_bbs after
1246 cancel_loop_tree, not before it.
1249 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1250 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1251 VAR_DECLs were seen.
1252 * tree-ssa-live.c (remove_unused_locals): Recompute
1253 cfun->has_local_explicit_reg_vars.
1254 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1255 copies or clearings if cfun->has_local_explicit_reg_vars.
1257 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1260 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1261 of function prologue when frame pointer is used to access
1264 2009-02-10 Richard Guenther <rguenther@suse.de>
1267 * gimplify.c (gimple_regimplify_operands): Always look if
1268 we need to create a temporary.
1270 2009-02-10 Richard Guenther <rguenther@suse.de>
1272 PR tree-optimization/39132
1273 * tree-loop-distribution.c (todo): New global var.
1274 (generate_memset_zero): Trigger TODO_rebuild_alias.
1275 (tree_loop_distribution): Return todo.
1277 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1280 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1281 (x86_64_reg_class_name): Removed.
1282 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1283 first one isn't X86_64_SSE_CLASS or any other ones aren't
1284 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1285 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1286 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1287 and 3 X86_64_SSEUP_CLASS.
1288 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1289 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1291 2009-02-10 Ben Elliston <bje@au.ibm.com>
1293 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1294 form instruction to update the stack back chain word, even if the
1295 user has disabled the generation of update instructions.
1296 (movdi_<mode>_update_stack): New.
1297 (movsi_update_stack): Likewise.
1298 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1299 always use an update form instruction to update the stack back
1302 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1305 * graphite.c (if_region_set_false_region): After moving a region in
1306 the false branch of a condition, remove the empty dummy basic block.
1307 (gloog): Remove wrong fix for PR38953.
1309 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1311 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1312 generation due to implicit sign extension.
1314 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1317 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1318 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1320 2009-02-09 Richard Guenther <rguenther@suse.de>
1323 * convert.c (convert_to_real): Disable (float)fn((double)x)
1324 to fnf(x) conversion if errno differences may occur and
1325 -fmath-errno is set.
1327 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1329 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1330 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1331 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1333 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1336 * c-common.c (handle_alias_attribute): Disallow attribute for
1337 anything not a FUNCTION_DECL or VAR_DECL.
1339 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1342 * real.c (do_compare): Special-case compare of zero against
1343 decimal float value.
1345 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1348 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1349 as indicating flexible array members unless the field itself is
1350 being declarared as the incomplete array.
1352 2009-02-06 Jan Hubicka <jh@suse.cz>
1354 PR tree-optimization/38844
1355 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1358 2009-02-06 Richard Guenther <rguenther@suse.de>
1361 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1362 fork because we may expand it as __gcov_fork.
1364 2009-02-06 Nick Clifton <nickc@redhat.com>
1366 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1368 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1370 PR tree-optimization/35659
1371 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1372 vn_phi_eq): Shortcut if hashcode does not match.
1373 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1375 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1376 and avoid iterative_hash_expr.
1377 (FOR_EACH_VALUE_ID_IN_SET): New.
1378 (value_id_compare): Remove.
1379 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1380 sort expressions by value id.
1382 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1385 * config/sh/predicates.md (general_movsrc_operand): Don't check
1386 the subreg of system registers here.
1388 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1391 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1394 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1396 PR rtl-optimization/39110
1397 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1398 addresses, not aligned ones.
1400 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1401 Richard Guenther <rguenther@suse.de>
1403 PR tree-optimization/39100
1404 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1405 comment says and add edges.
1407 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1410 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1411 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1413 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1415 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1416 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1417 register_bb_in_sese, new_sese, free_sese): Moved.
1418 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1419 outermost_loop_in_scop, build_scop_iteration_domain,
1420 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1421 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1422 Use loop_in_sese_p instead of loop_in_scop_p.
1423 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1424 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1425 (scopdet_basic_block_info): Fix bug in scop detection.
1426 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1427 eq_loop_to_cloog_loop): Remove.
1428 (nb_loops_around_loop_in_scop, nb_loop
1429 ref_nb_loops): Moved here...
1430 * graphite.h (ref_nb_loops): ... from here.
1431 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1432 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1433 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1434 * testsuite/gcc.dg/graphite/scop-19.c: New
1436 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1437 Hans-Peter Nilsson <hp@axis.com>
1439 PR rtl-optimization/37889
1440 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1441 Move offset handling from PLUS to before the switch. Use new
1442 arguments when considering SYMBOL_REFs too.
1443 (rtx_addr_can_trap_p): Pass dummy offset and size.
1444 (enum may_trap_p_flags): Remove.
1445 (may_trap_p_1): Pass size from MEM_SIZE.
1447 PR rtl-optimization/38921
1448 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1449 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1450 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1451 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1453 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1455 AVX Programming Reference (January, 2009)
1456 * config/i386/sse.md (*vpclmulqdq): New.
1458 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1460 PR tree-optimization/38977
1461 PR gcov-profile/38292
1462 * calls.c (special_function_p): Disregard __builtin_ prefix.
1464 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1466 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1467 non-indexable addresses even before reload.
1469 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1472 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1473 as having variable size. Do not give an error for unnamed
1474 parameters with [*] declarators. Give a warning for type names
1475 with [*] declarators and mark them as variable size.
1476 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1477 for sizeof applied to [*] type names.
1479 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1482 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1484 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1486 * gcc.c (process_command): Update copyright notice dates.
1487 * gcov.c (print_version): Likewise.
1488 * gcov-dump.c (print_version): Likewise.
1489 * mips-tfile.c (main): Likewise.
1490 * mips-tdump.c (main): Likewise.
1492 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1495 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1496 for composite type involving a zero-length array type.
1498 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1501 * function.c (match_asm_constraints_1): Skip over
1502 initial optional % in the constraint.
1505 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1506 supported, don't accept FIXED_CSTs.
1507 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1508 and _Sat is used without _Fract/_Accum. Set specs->type to
1509 integer_type_node for cts_fract/cts_accum if fixed point is not
1512 2009-02-02 Catherine Moore <clm@codesourcery.com>
1514 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1516 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1518 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1519 (ABI_HAS_64BIT_SYMBOLS): Use it.
1520 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1522 2009-02-02 Paul Brook <paul@codesourcery.com>
1524 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1526 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1529 * recog.h (asm_operand_ok): Add constraints argument.
1530 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1531 recurse on matching constraint.
1532 (check_asm_operands): Pass constraints as 3rd argument to
1533 asm_operand_ok. Don't look up matching constraint here.
1534 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1537 2009-02-02 Ben Elliston <bje@au.ibm.com>
1539 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1540 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1542 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1544 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1545 information. Remove some obsolete information. Reorganize.
1547 * config/pa/fptr.c: Revert license to GPL 2.
1548 * config/pa/milli64.S: Likewise.
1550 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1553 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1554 LIBRARY name in, instead of hard-coding it.
1555 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1556 extra target make frag to tmake_files according to EH model.
1557 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1558 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1559 frags that define makefile variable EH_MODEL appropriately.
1560 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1561 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1562 to "-sjlj" according to type of EH configured.
1563 (LIBGCC_SONAME): Concatenate it to shared library base name.
1564 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1565 to "_sjlj" according to type of EH configured.
1566 (LIBGCC_SONAME): Concatenate it to shared library base name.
1567 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1568 (SHLIB_LINK): Add missing semicolon to if-else construct.
1569 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1570 string value of "pe_dll" command-line option.
1571 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1572 (SHLIB_SONAME): Use it when overriding t-cygming default.
1573 (SHLIB_IMPLIB): Override t-cygming default.
1574 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1575 string value of "pe_dll" command-line option.
1577 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1580 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1581 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1583 2009-01-31 Richard Guenther <rguenther@suse.de>
1585 PR tree-optimization/38937
1586 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1587 computing the transitive closure.
1589 2009-01-30 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/39041
1592 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1593 Propagate variable indices only if the types match for this stmt.
1595 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1598 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1599 inline but never defined.
1601 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1603 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1604 (*insv_h_di_reg_extimm): New insn.
1605 (*insv_l<mode>_reg_extimm): New insn.
1607 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1609 * config/picochip/picochip.c (flag_conserve_stack): set
1610 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1611 fconserve-stack. Reduce call-overhead used by inliner.
1613 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1616 * common.opt (flag_conserve_stack): Initialised to zero.
1618 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1621 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1622 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1625 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1627 * ira-color.c (allocno_reload_assign): Update comments.
1628 * regmove.c (regmove_optimize): Likewise.
1632 2009-01-29 Robert Millan <rmh@aybabtu.com>
1634 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1635 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1636 `MD_UNWIND_SUPPORT'.
1637 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1639 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1641 PR tree-optimization/39007
1642 * tree-loop-distribution.c (generate_builtin): Use
1643 recompute_dominator to compute the immediate dominator of the
1644 basic block just after the loop.
1646 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1648 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1649 (ASM_OUTPUT_DWARF_PCREL): Define.
1651 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1653 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1654 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1655 global. Modify entries about regmove and IRA.
1657 * ra-conflict.c: Remove the file.
1659 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1661 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1662 (pass_regclass_init): Rename to pass_reginfo_init.
1664 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1666 * toplev.h (flag_ira): Remove.
1668 * caller-save.c (setup_save_areas): Remove flag_ira.
1670 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1672 * global.c: Remove the file.
1674 * opts.c: (decode_options): Remove flag_ira.
1676 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1678 * regmove.c: Modify file description.
1679 (find_use_as_address, try_auto_increment): Define them only if
1680 AUTO_INC_DEC is defined.
1681 (replacement_quality, replace_in_call_usage, fixup_match_1,
1682 stable_and_no_regs_but_for_p): Remove.
1683 (reg_set_in_bb): Make it static.
1684 (regmove_optimize): Remove flag_ira and code which worked for
1687 * local-alloc.c: Remove the file.
1689 * common.opt (fira): Remove.
1691 * ira.c: Include except.h.
1692 (eliminable_regset): Move from global.c.
1693 (mark_elimination): Ditto. Remove flag_ira.
1694 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1695 equiv_mem_modified, validate_equiv_mem_from_store,
1696 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1697 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1698 no_equiv, recorded_label_ref): Move from local-alloc.c.
1699 (update_equiv_regs): Ditto. Make it static.
1700 (print_insn_chain, print_insn_chains): Move it from global.c.
1701 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1702 (build_insn_chain): Ditto. Make it static.
1703 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1704 Rename to init_live_subregs.
1705 (gate_ira): Remove flag_ira.
1707 * regclass.c: Rename reginfo.c. Change file description.
1708 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1709 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1710 (init_reg_sets_1): Remove code for evaluation of
1711 reg_class_superclasses and losing_caller_save_reg_set.
1712 (init_regs): Remove init_reg_autoinc.
1713 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1714 ok_for_base_p_nonstrict): Remove.
1715 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1716 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1717 corresponding entries.
1718 (dump_regclass, record_operand_costs, scan_one_insn,
1719 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1720 record_address_regs, auto_inc_dec_reg_p): Remove.
1721 (gt-regclass.h): Rename to gt-reginfo.h.
1723 * rtl.h (dump_global_regs, retry_global_alloc,
1724 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1726 * Makefile.in (RA_H): Remove.
1727 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1728 Rename regclass.o to reginfo.o.
1729 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1731 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1732 (GTFILES): Rename regclass.c to reginfo.c.
1734 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1735 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1737 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1738 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1740 (finish_spills): Ditto. Remove code for !flag_ira.
1742 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1745 * doc/invoke.texi (rtl debug options): Complete rewrite.
1746 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1748 * mode-switching.c (pass_mode_switching): Rename pass from
1749 "mode-sw" to "mode_sw".
1750 * except.c (pass_convert_to_eh_ranges): Rename pass from
1751 "eh-ranges" to "eh_ranges".
1752 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1756 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1757 Alexander Monakov <amonakov@ispras.ru>
1760 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1762 (move_exprs_to_boundary): Change return type and pass through
1763 should_move from move_op. Relax assert. Update usage ...
1764 (schedule_expr_on_boundary): ... here. Use should_move instead of
1766 (move_op_orig_expr_found): Indicate that insn was disconnected from
1768 (code_motion_process_successors): Do not call after_merge_succs
1769 callback if original expression was not found when traversing any of
1771 (code_motion_path_driver): Change return type. Update prototype.
1772 (move_op): Update comment. Add a new parameter (should_move). Update
1773 prototype. Set *should_move based on indication provided by
1774 move_op_orig_expr_found.
1776 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1778 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1779 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1780 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1781 * config/rs6000/rs6000.c (rs6000_override_options): Default
1782 avoid-indexed-addresses on for Power6, off for everything else.
1783 (avoiding_indexed_address_p): New function.
1784 (rs6000_legitimize_address): Use it.
1785 (rs6000_legitimate_address): Likewise.
1786 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1788 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1790 PR tree-optimization/38997
1791 * tree-loop-distribution.c (generate_memset_zero): Use
1792 POINTER_PLUS_EXPR for a pointer addition.
1794 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1796 * config/s390/s390.md (bswap<mode>2): New pattern added.
1798 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1800 * config/s390/s390.md (*tls_load_31): Added type attribute.
1802 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1804 * config/s390/s390.md: Fix a few comments.
1806 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1808 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1809 (*tm<mode>_full): Fixed z10prop attribute.
1810 (*tst<mode>_extimm): Fixed z10prop attribute.
1811 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1812 (*tstqiCCT_cconly): Fixed z10prop attribute.
1813 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1814 (*movsi_larl): Fixed z10prop attribute.
1815 (*movsi_zarch): Fixed z10prop attribute.
1816 (*movsi_eas): Fixed z10prop attribute.
1817 (*movhi): Fixed z10prop attribute.
1818 (*movqi): Fixed z10prop attribute.
1819 (*movstrictqi): Fixed z10prop attribute.
1820 (*mov<mode>): Fixed z10prop attribute.
1821 (*movcc): Fixed z10prop attribute.
1822 (*sethighpartdi_64): Fixed z10prop attribute.
1823 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1824 (*negdi2_sign_cc): Fixed z10prop attribute.
1825 (*negdi2_sign): Fixed z10prop attribute.
1826 (*absdi2_sign_cc): Fixed z10prop attribute.
1827 (*absdi2_sign): Fixed z10prop attribute.
1828 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1829 (*negabsdi2_sign): Fixed z10prop attribute.
1830 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1831 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1832 (doloop_si64): Fixed z10prop attribute.
1833 (doloop_si31): Fixed z10prop attribute.
1834 (doloop_long): Fixed z10prop attribute.
1835 (indirect_jump): Fixed z10prop attribute.
1836 (nop): Fixed z10prop attribute.
1837 (main_base_64): Fixed z10prop attribute.
1838 (reload_base_64): Fixed z10prop attribute.
1840 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1842 PR rtl-optimization/38740
1843 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1845 * config/mips/mips.c (mips_reorg): Likewise.
1847 2009-01-28 Richard Guenther <rguenther@suse.de>
1849 PR tree-optimization/38926
1850 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1851 with the correct value id to a value.
1852 (do_regular_insertion): Use the value number of edoubleprime
1853 for the value number of the expr.
1856 2008-08-21 Richard Guenther <rguenther@suse.de>
1858 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1859 a PHI ask VN if it is already available.
1860 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1861 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1863 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1866 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1867 set to varying whenever max has TREE_OVERFLOW set, similarly
1868 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1870 2009-01-28 Richard Guenther <rguenther@suse.de>
1873 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1874 uninitialized aggregate uses in call arguments.
1876 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1878 PR tree-optimization/38984
1879 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1880 the nothing_id variable if -fno-delete-null-pointer-checks.
1882 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1885 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1886 (set_got_offset_rex64): Ditto.
1888 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1891 * doc/extend.texi: Improve local variable with asm reg.
1893 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1895 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1896 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1897 was not supplied then set warn_packed_bitfield_compat to the
1899 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1902 2009-01-27 Richard Guenther <rguenther@suse.de>
1904 PR tree-optimization/38503
1905 * cfgexpand.c (expand_gimple_basic_block): Ignore
1906 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1907 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1908 variables that cannot have TBAA applied.
1909 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1912 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1915 * calls.c (initialize_argument_information): Do not wrap complex
1916 arguments in SAVE_EXPR.
1918 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1920 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1921 (INSTALL_LIBGCC): Revert typo commit.
1923 2009-01-26 Richard Guenther <rguenther@suse.de>
1925 PR tree-optimization/38745
1926 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1927 from special handling.
1929 2009-01-26 Richard Guenther <rguenther@suse.de>
1931 PR tree-optimization/38745
1932 * tree-ssa.c (execute_update_addresses_taken): Do not include
1933 variables that cannot possibly be a register in not_reg_needs.
1934 Do not clear TREE_ADDRESSABLE on vars that may not become
1936 * tree-ssa.c (update_alias_info_1): Include those in the set
1937 of addressable vars.
1939 2009-01-26 Richard Guenther <rguenther@suse.de>
1942 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1943 * tree-ssa-dse.c: Include langhooks.h
1944 (execute_simple_dse): Remove stores with zero size.
1946 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1949 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1952 2009-01-24 Julian Brown <julian@codesourcery.com>
1954 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1955 config/arm/linux-atomic.c.
1956 * config/arm/linux-atomic.c: New.
1958 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1960 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1961 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1962 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1964 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1967 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1970 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1972 PR tree-optimization/38953
1973 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1974 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1975 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1976 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1979 2009-01-24 Paul Brook <paul@codesourcery.com>
1981 * config/arm/neon.md (neon_type): Move to arm.md.
1982 (neon_mov<VSTRUCT>): Add neon_type attribute.
1983 * config/arm/arm.md (neon_type): Move to here.
1984 (conds): Add "unconditioal" and use as default for NEON insns.
1986 2009-01-24 Ben Elliston <bje@au.ibm.com>
1988 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1989 void *' warning from -Wc++-compat.
1990 * Makefile.in (dominance.o-warn): Remove.
1992 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1994 PR tree-optimization/38932
1995 * fold-const.c (fold_unary_ignore_overflow): New.
1996 * tree.h (fold_unary_ignore_overflow): Declare.
1997 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1998 * tree-ssa-sccvn.c (visit_reference_op_load,
1999 simplify_unary_expression): Likewise.
2001 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2003 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2004 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2005 regardless of their type.
2006 * c-common.c (handle_packed_attribute): Don't ignore packed on
2008 * c.opt (Wpacked-bitfield-compat): New warning option.
2009 * stor-layout.c (place_field): Warn if offset of a field changed.
2010 * doc/extend.texi (packed): Mention the ABI change.
2011 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2012 (Warning Options): Add it to the list.
2014 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2016 * c-opts.c (c_common_post_options): Fix a typo in comments.
2018 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2021 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2022 variables to static.
2023 * doc/invoke.texi (-fmerge-all-constants): Update description.
2025 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2028 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2029 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2031 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2033 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2035 (LOCAL_ALIGNMENT): Similarly.
2037 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2038 Joseph Myers <joseph@codesourcery.com>
2040 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2041 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2042 * config/arm/arm-tune.md: Regenerate.
2043 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2046 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2048 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2049 version number to five.
2051 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2054 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2055 * c-common.c (set_underlying_type): Likewise.
2056 (is_typedef_decl ): Likewise
2058 (set_underlying_type): Likewise.
2059 (is_typedef_type): Likewise.
2061 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2064 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2067 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2070 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2071 (LIBGCC_SPEC): Don't define.
2072 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2074 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2076 PR rtl-optimization/38879
2077 * alias.c (base_alias_check): Unaligned access via AND address can
2078 alias all surrounding object types except those with sizes equal
2079 or wider than the size of unaligned access.
2081 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2084 * c-decl.c: (clone_underlying_type): Move this ...
2085 * c-common.c (set_underlying_type): ... here.
2086 Also, make sure the function properly sets TYPE_STUB_DECL() on
2087 the newly created typedef variant type.
2088 (is_typedef_decl ): New entry point.
2089 * tree.h: Added a new member member_types_needing_access_check to
2090 struct tree_decl_non_common.
2091 (set_underlying_type): New entry point.
2092 (is_typedef_type): Likewise.
2094 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2096 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2097 Check whether two instructions have memory references that
2098 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2099 are helper functions for traversing.
2100 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2101 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2102 not to draw dependency edge for instructions with non-conflicting
2105 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2108 * longlong.h: Update copyright years. Use soft-fp license notice.
2109 Sync __clz_tab declaration with glibc.
2111 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2114 * doc/extend.texi (syscall_linkage): New.
2115 (version_id): Modify.
2117 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2118 Richard Guenther <rguenther@suse.de>
2120 PR tree-optimization/38747
2121 PR tree-optimization/38748
2122 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2123 conversion if the base address is an indirect reference and the
2124 aliasing sets could cause issues.
2126 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2128 * common.opt (fgraphite, fgraphite-identity): Add comment for
2129 explaining why these options are not documented.
2131 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2133 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2134 gimple_call_lhs is NULL.
2136 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2139 * emit-rtl.c (adjust_address_1): Make sure memref is never
2142 2009-01-20 Ben Elliston <bje@au.ibm.com>
2144 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2145 const qualifier from arg parameter. Remove unnecessary cast to char *.
2146 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2147 const qualifier from arg 2.
2149 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2151 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2153 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2156 * rtl.h (reinit_regs): New prototype.
2157 * regclass.c: Include ira.h.
2159 * Makefile.in (regclass.o): Add ira.h.
2160 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2162 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2165 * c-common.c (handle_aligned_attribute): Use
2166 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2167 default alignment value.
2169 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2171 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2172 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2174 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2175 __BIGGEST_ALIGNMENT__.
2177 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2179 2009-01-18 Richard Guenther <rguenther@suse.de>
2181 PR tree-optimization/38819
2182 * tree-flow.h (operation_could_trap_helper_p): Declare.
2183 * tree-eh.c (operation_could_trap_helper_p): Export.
2184 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2185 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2186 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2187 are about to insert a possibly trapping instruction and fail
2190 2009-01-18 Andreas Schwab <schwab@suse.de>
2192 * doc/install.texi (Configuration): Remove obsolete paragraph
2193 about use of --with-gnu-ld with --with-gnu-as.
2195 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2197 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2198 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2199 Follow spelling conventions.
2201 2009-01-18 Ben Elliston <bje@au.ibm.com>
2203 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2204 C++ warning about implicit conversion from void * to struct
2206 (bitmap_obstack_free): Likewise for bitmap_element *.
2207 * Makefile.in (bitmap.o-warn): Remove.
2209 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2211 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2213 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2214 Tobias Grosser <tobi.grosser@amd.com>
2216 * graphite.c (graphite_trans_scop_block): Do not block single
2219 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2221 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2222 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2223 test with assertion.
2225 2009-01-16 Richard Guenther <rguenther@suse.de>
2227 PR tree-optimization/38835
2229 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2230 and INT + PTR -> (INT)(PTR p+ INT) folding.
2231 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2233 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2236 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2237 the subreg from a lowpart subreg if it is also casting the value.
2239 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2240 Tobias Grosser <tobi.grosser@amd.com>
2242 * graphite.c (compare_prefix_loops): New.
2243 (build_scop_canonical_schedules): Rewritten.
2244 (graphite_transform_loops): Move build_scop_canonical_schedules
2245 after build_scop_iteration_domain.
2247 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2248 Tobias Grosser <tobi.grosser@amd.com>
2250 * graphite.c (add_conditions_to_domain): Add the loops to
2251 the dimension of the iteration domain. Do copy the domain
2252 only when it exists.
2253 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2254 (add_conditions_to_constraints): New.
2255 (can_generate_code_stmt, can_generate_code): Removed.
2256 (gloog): Do not call can_generate_code.
2257 (graphite_transform_loops): Call add_conditions_to_constraints
2258 after building the iteration domain.
2260 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2262 PR tree-optimization/38789
2263 * tree-ssa-threadedge.c
2264 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2265 __builtin_constant_p.
2267 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2269 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2270 examined before deleting them.
2272 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2274 * function.c (aggregate_value_p): Correctly extract the function
2275 type from CALL_EXPR_FN lookup.
2277 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2279 * config/picochip/picochip.c (picochip_override_options): Revert
2280 CFI asm flag disable commited previously.
2282 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2283 Tobias Grosser <tobi.grosser@amd.com>
2284 Jan Sjodin <jan.sjodin@amd.com>
2286 * graphite.c (scan_tree_for_params): On substractions negate
2287 all the coefficients of the term.
2288 (clast_to_gcc_expression_red): New. Handle reduction expressions
2289 of more than two operands.
2290 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2291 (get_vdef_before_scop): Handle also the case of default definitions.
2293 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2295 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2296 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2297 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2299 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2300 Joey Ye <joey.ye@intel.com>
2303 * cfgexpand.c (expand_stack_alignment): Don't update stack
2304 boundary nor check incoming stack boundary here.
2305 (gimple_expand_cfg): Update stack boundary and check incoming
2306 stack boundary here.
2308 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2310 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2312 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2314 PR rtl-optimization/38245
2315 * calls.c (expand_call): Add stack arguments to
2316 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2317 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2318 in regs and partially in memory or BLKmode arguments.
2319 (emit_library_call_value_1): Add stack arguments to
2320 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2321 ACCUMULATE_OUTGOING_ARGS).
2322 * dce.c: Include tm_p.h.
2323 (find_call_stack_args): New function.
2324 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2326 (mark_insn): Call find_call_stack_args for CALL_Ps.
2327 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2328 forwards. Allocate and free arg_stores bitmap if needed, pass it
2329 down to deletable_insn_p, don't mark stores set in arg_stores
2330 bitmap, clear the bitmap at the beginning of each bb.
2331 * Makefile.in (dce.o): Depend on $(TM_P_H).
2333 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2336 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2337 to make sure the insn is a conditional test (bug 22599). Reformat a
2340 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2343 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2344 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2345 (gloog): Do not call cleanup_tree_cfg.
2346 (graphite_transform_loops): Call cleanup_tree_cfg after all
2347 scops have been code generated.
2349 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2350 * doc/gty.texi (Invoking the garbage collector): Added new node
2351 and section documenting ggc_collect.
2353 2009-01-14 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/38826
2357 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2358 initialization notes only if we actually emitted a warning.
2359 (intra_create_variable_infos): Add constraints for a result decl
2360 that is passed by hidden reference.
2361 (build_pred_graph): Mark all related variables non-direct on
2364 2009-01-14 Nick Clifton <nickc@redhat.com>
2366 * ira-conflicts.c: Include addresses.h for the definition of
2368 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2369 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2371 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2374 * Makefile.in (ira-lives.o): Add except.h.
2376 * ira-lives.c: Include except.h.
2377 (process_bb_node_lives): Process can_throw_internal.
2379 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2381 PR rtl-optimization/38774
2382 * combine.c (simplify_set): When undoing cc_use change, don't do
2383 PUT_CODE on the newly created comparison, but instead put back the
2386 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2388 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2389 values. Remove duplicate arm8 entry.
2391 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2393 PR tree-optimization/38786
2394 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2395 the SSA_NAME case of expand_scalar_variables_expr.
2396 Set the type of an expression to the type of its assign statement.
2397 (expand_scalar_variables_expr): Also gather the scalar computation
2398 used to index the memory access. Do not pass loop_p.
2399 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2400 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2401 the gimple_stmt_iterator where it inserts new code.
2403 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2404 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2406 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2408 * graphite.h (debug_value): Removed.
2409 * graphite.c (debug_value): Removed.
2411 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2413 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2414 ldrd/strd with two 32-bit instructions.
2416 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2418 * config/arm/arm.c (struct processors): Pass for speed down into
2419 cost helper functions.
2420 (const_ok_for_op): Handle COMPARE and inequality nodes.
2421 (arm_rtx_costs_1): Rewrite.
2422 (arm_size_rtx_costs): Update prototype.
2423 (arm_rtx_costs): Pass speed down to helper functions.
2424 (arm_slowmul_rtx_costs): Rework cost calculations.
2425 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2426 (arm_9e_rtx_costs): Likewise.
2428 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2430 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2431 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2432 (alpha_legitimize_address): Do not split local symbols wider than
2433 UNITS_PER_WORD into HIGH/LO_SUM parts.
2435 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2438 * gcc.c (process_command): Replace call to execvp with calls
2439 to pex_one and exit.
2441 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2444 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2445 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2446 variant for devices with 3-byte PC.
2447 (__tablejump_elpm__) : New.
2449 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2452 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2453 offsetof member-designator, handle it as `[0].'.
2455 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2457 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2458 function when not using named sections on targets with named sections
2459 if branch distance is less than 262132.
2461 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2463 * combine.c (combine_instructions): Recompute
2464 optimize_this_for_speed_p for each BB in the main combine loop.
2466 2009-01-12 Tomas Bily <tbily@suse.cz>
2469 * tree-loop-distribution.c (prop_phis): New function.
2470 (generate_builtin): Call prop_phis.
2471 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2473 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2475 PR tree-optimization/38807
2476 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2477 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2479 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2481 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2482 subreg of op0 to the original op0.
2484 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2486 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2488 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2491 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2492 starting with digits.
2494 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2497 * config/arm/arm.c (arm_is_long_call_p): Don't call
2498 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2500 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2502 * regrename.c (regrename_optimize): Fix dumping.
2503 (find_oldest_value_reg): Preserve REG_POINTER.
2504 (copy_hardreg_forward_1): Likewise.
2506 2009-01-09 Diego Novillo <dnovillo@google.com>
2508 * gimple.h (struct gimple_statement_base) <uid>: Document
2509 the restrictions on its use.
2511 (gimple_set_uid): Tidy.
2513 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2515 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2516 zero guard even if align_bytes != 0 and count is smaller than
2519 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2521 PR rtl-optimization/38495
2522 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2523 (add_range_and_copies_from_move_list): Print all added ranges.
2524 Add ranges to memory optimized destination.
2526 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2530 * config/i386/i386.c (override_options): Reject
2531 -mstringop-strategy=rep_8byte with -m32.
2532 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2533 to 1. Do count comparison against epilogue_size_needed at compile
2534 time even when count_exp was constant forced into register. For
2535 size_needed don't jump to epilogue, instead just avoid aligning
2536 and invoke the body algorithm. If need_zero_guard, add zero guard
2537 even if count is non-zero, but smaller than size_needed + number of
2538 bytes that could be stored for alignment.
2539 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2540 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2541 but smaller than size_needed + number of bytes that could be stored
2542 for alignment. Compare size_needed with epilogue_size_needed instead
2543 of desired_align - align, don't adjust size_needed, pass
2544 epilogue_size_needed to the epilogue expanders.
2547 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2549 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2551 * pa.c (last_address): Change to unsigned.
2552 (update_total_code_bytes): Change argument to unsigned. Don't
2553 check if insn addresses are set.
2554 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2555 addresses are not set.
2556 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2558 2009-01-09 Nick Clifton <nickc@redhat.com>
2560 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2561 DECL_DECLARED_INLINE_P.
2563 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2566 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2567 GET_MODE (op0) in operand_subword_force calls.
2570 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2571 fold_convert arg0 operands to TREE_TYPE (op0) first.
2573 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2575 * params.def (ira-max-conflict-table-size): Decrease default value
2578 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2580 PR tree-optimization/37031
2581 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2583 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2584 allocate it using gc instead of heap, use VEC_quick_push instead of
2586 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2587 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2588 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2589 allocated vector from heap allocated.
2590 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2591 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2592 vector only after perfect_loop_nest_depth call.
2594 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2595 Jan Sjodin <jan.sjodin@amd.com>
2597 PR tree-optimization/38559
2598 * graphite.c (debug_value, copy_constraint,
2599 swap_constraint_variables, scale_constraint_variable, ): New.
2600 (get_lower_bound, get_upper_bound): Removed.
2601 (graphite_trans_bb_strip_mine): Clean up this code that works
2602 only for constant number of iterations. Fully copy upper and
2603 lower bound constraints, not only the constant part of them.
2604 * graphite.h (debug_value): Declared.
2606 2009-01-08 Ira Rosen <irar@il.ibm.com>
2608 PR tree-optimization/37194
2609 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2610 Don't add the cost of cost model guard in prologue to scalar
2611 outside cost in case of known number of iterations.
2613 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2614 Alan Modra <amodra@bigpond.net.au>
2616 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2617 non-word-aligned REG+CONST addressing.
2619 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2622 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2623 free_after_compilation when outputting a thunk.
2624 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2625 Do not call free_after_compilation here.
2627 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2629 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2630 (ix86_valid_target_attribute_inner_p): Ditto.
2632 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2634 PR tree-optimization/38492
2635 PR tree-optimization/38498
2636 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2637 * tree-chrec.h (scev_is_linear_expression): Declared.
2638 * graphite.c (graphite_cannot_represent_loop_niter): New.
2639 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2640 (graphite_loop_normal_form): Use gcc_assert.
2641 (scan_tree_for_params): Use CASE_CONVERT.
2642 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2643 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2644 Use gcc_assert. Discard scops that contain unhandled cases.
2645 (build_scop_conditions): Return a boolean status for unhandled cases.
2646 (strip_mine_profitable_p): Print the loop number, not its depth.
2647 (is_interchange_valid): Pass the depth of the loop nest, don't
2648 recompute it wrongly.
2649 (graphite_trans_bb_block): Same.
2650 (graphite_trans_bb_block): Print tentative of loop blocking.
2651 (graphite_trans_scop_block): Do not print that the loop has been
2653 (graphite_transform_loops): Do not handle scops that contain condition
2656 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2658 AVX Programming Reference (December, 2008)
2659 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2660 (_mm256_stream_pd): Likewise.
2661 (_mm256_stream_ps): Likewise.
2663 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2664 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2665 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2666 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2667 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2668 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2669 (ix86_expand_special_args_builtin): Likewise.
2671 * config/i386/sse.md (AVXMODEDI): New.
2672 (avx_movnt<mode>): Likewise.
2673 (avx_movnt<mode>): Likewise.
2674 (<sse>_movnt<mode>): Remove AVX support.
2675 (sse2_movntv2di): Likewise.
2677 2009-01-07 Richard Guenther <rguenther@suse.de>
2680 * fold-const.c (extract_muldiv): Remove obsolete comment.
2681 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2682 to PLUS_EXPR canonicalization for the canonicalization.
2684 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2686 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2687 hosted cross-compilers generating less efficient code.
2689 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2691 * function.h (rtl_data): Add a dbr_scheduled_p field.
2692 * reorg.c (dbr_schedule): Set it.
2693 (gate_handle_delay_slots): Check it.
2694 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2695 (mips_reorg): Check flag_delayed_branch instead of
2696 mips_base_delayed_branch.
2697 (mips_override_options): Don't set mips_base_delayed_branch
2698 or flag_delayed_branch.
2700 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2702 PR rtl-optimization/38426.
2703 * ira.c (ira): Set current_function_is_leaf earlier.
2705 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2707 PR rtl-optimization/38722
2708 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2709 too early, only set a flag and modify after last possible
2712 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2715 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2716 * real.c (decimal_single_format): Correct values of emin and emax.
2717 (decimal_double_format): Ditto.
2718 (decimal_quad_format): Ditto.
2719 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2720 computation of DECnn_MIN and DECnn_MAX for corrected values of
2721 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2722 __DECnn_MIN__, and adjust its computation for the corrected value
2725 2009-01-06 Jan Hubicka <jh@suse.cz>
2728 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2730 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2732 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2733 Add Robert Clark to the list of testers.
2735 2009-01-06 Jan Hubicka <jh@suse.cz>
2736 Kai Tietz <kai.tietz@onevision.com>
2738 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2739 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2741 2009-01-06 Jan Hubicka <jh@suse.cz>
2742 Kai Tietz <kai.tietz@onevision.com>
2744 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2746 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2747 (ix86_nsaved_regs): Count only general purpose regs.
2748 (ix86_nsaved_sseregs): New.
2749 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2750 to 16 for w64; compute padding and size of sse reg save area.
2751 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2752 general purpose regs.
2753 (ix86_emit_save_sse_regs_using_mov): New.
2754 (ix86_expand_prologue): Save SSE regs if needed.
2755 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2756 (ix86_emit_restore_sse_regs_using_mov): New.
2757 (ix86_expand_epilogue): Save SSE regs if needed.
2759 2009-01-06 Jan Hubicka <jh@suse.cz>
2760 Kai Tietz <kai.tietz@onevision.com>
2762 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2763 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2764 functions when accumulate outgoing args is off.
2766 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2769 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2770 before using pseudos_have_intersected_live_ranges_p.
2772 * ira-int.h (ira_assert): Always define.
2774 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2776 AVX Programming Reference (December, 2008)
2777 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2778 (_mm256_permute2_pd): Likewise.
2779 (_mm_permute2_ps): Likewise.
2780 (_mm256_permute2_ps): Likewise.
2781 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2782 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2784 * config/i386/i386.c (ix86_builtins): Remove
2785 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2786 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2787 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2788 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2789 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2790 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2791 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2792 __builtin_ia32_vpermil2ps256.
2793 (ix86_init_mmx_sse_builtins): Updated.
2794 (ix86_expand_args_builtin): Likewise.
2796 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2798 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2799 long absolute calls when generating PA 2.0 code.
2801 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2803 PR rtl-optimization/38583
2804 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2806 * params.def (ira-max-conflict-table-size): New.
2808 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2810 * ira.h (ira_conflicts_p): New external definition.
2812 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2813 table. Report this. Return result of building.
2814 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2815 building conflict table.
2817 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2818 (ira_color): Use ira_conflicts_p.
2820 * global.c: Include ira.h.
2821 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2824 * Makefile.in (global.o): Add ira.h.
2826 * ira-build.c (mark_all_loops_for_removal,
2827 propagate_some_info_from_allocno): New.
2828 (remove_unnecessary_allocnos): Call
2829 propagate_some_info_from_allocno.
2830 (remove_low_level_allocnos): New.
2831 (remove_unnecessary_regions): Add parameter. Call
2832 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2833 parameter to remove_unnecessary_regions.
2834 (ira_build): Remove all regions but root if the conflict table was
2835 not built. Update conflict hard regs for allocnos crossing calls.
2837 * ira.c (ira_conflicts_p): New global.
2838 (ira): Define and use ira_conflicts_p.
2840 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2841 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2842 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2844 2009-01-06 Ben Elliston <bje@au.ibm.com>
2846 * gengtype-lex.l (YY_NO_INPUT): Define.
2848 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2851 * c-common.c (handle_vector_size_attribute): Also reject
2854 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2856 PR tree-optimization/38492
2857 * graphite.c (rename_map_elt, debug_rename_elt,
2858 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2859 rename_map_elt_info, eq_rename_map_elts,
2860 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2861 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2862 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2863 (sese_build_livein_liveouts): New.
2864 (new_sese, free_sese): New.
2865 (new_scop): Call new_sese.
2866 (free_scop): Call free_sese.
2867 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2868 (register_old_new_names): Renamed register_old_and_new_names.
2869 (register_scop_liveout_renames, add_loop_exit_phis,
2870 insert_loop_close_phis, struct igp,
2871 default_liveout_before_guard, add_guard_exit_phis,
2872 insert_guard_phis, copy_renames): New.
2873 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2874 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2875 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2876 (scop_adjust_phis_for_liveouts): New.
2877 (gloog): Call scop_adjust_phis_for_liveouts.
2879 * graphite.h (struct sese): Documented. Added fields liveout,
2881 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2882 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2883 (struct scop): Added field liveout_renames.
2884 (SCOP_LIVEOUT_RENAMES): New.
2886 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2888 PR tree-optimization/38510
2889 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2890 (translate_clast): Call recompute_all_dominators before
2892 (gloog): Call recompute_all_dominators before graphite_verify.
2894 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2895 Jan Sjodin <jan.sjodin@amd.com>
2897 PR tree-optimization/38500
2898 * graphite.c (create_sese_edges): Call fix_loop_structure after
2901 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2903 * config.gcc: Add m32r*-*-rtems*.
2904 * config/m32r/rtems.h: New file.
2906 2009-01-05 Ben Elliston <bje@au.ibm.com>
2908 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2909 (.po.pox): Likewise.
2910 (po/gcc.pot): Likewise.
2912 2009-01-04 David S. Miller <davem@davemloft.net>
2914 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2915 (STARTING_FRAME_OFFSET): Always set to zero.
2917 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2919 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2920 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2921 fixed-point types, and vectors of the same.
2923 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2925 * config/mips/sync.md (*mb_barrier): Rename to...
2926 (*memory_barrier): ...this.
2928 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2930 * doc/extend.texi (Function Attributes): Move @cindex after @item
2931 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2932 and put in alphabetical order. Fix 'target' name and put in order.
2933 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2936 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2938 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2939 (memory_barrier): Expand as unspec instead of unspec_volatile.
2940 Remove mem:BLK from insn operands. Use Pmode scratch register.
2941 (*memory_barrier): Define as unspec instead of unspec_volatile.
2942 Use (match_dup 0) as input operand.
2944 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2945 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2946 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2947 scratch register. Remove operand 1.
2948 (*stbar): Define as unspec instead of unspec_volatile.
2949 Use (match_dup 0) as input operand, remove (const_int 8).
2950 (*membar): Define as unspec instead of unspec_volatile.
2951 Use (match_dup 0) as input operand, remove input operand 2.
2953 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2954 (memory_barrier): Expand as unspec instead of unspec_volatile.
2955 Remove mem:BLK from insn operands. Use Pmode scratch register.
2956 (*memory_barrier): Define as unspec instead of unspec_volatile.
2957 Use (match_dup 0) as input operand.
2959 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2960 Remove mem:BLK from insn operands. Use Pmode scratch register.
2961 Set volatile flag on operand 0.
2962 (*memory_barrier): New insn pattern.
2964 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2966 (*memory_barrier): Use (match_dup 0) as input operand.
2968 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2969 Remove mem:BLK from insn operands. Use Pmode scratch register.
2970 Set volatile flag on operand 0.
2971 (*mb_internal): New insn pattern.
2973 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2975 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2978 * function.c (struct temp_slot): Move to the section of the file
2979 that deals with temp slots. Remove field 'address'.
2980 (temp_slot_address_table): New hash table of address -> temp slot.
2981 (struct temp_slot_address_entry): New struct, items for the table.
2982 (temp_slot_address_compute_hash, temp_slot_address_hash,
2983 temp_slot_address_eq, insert_temp_slot_address): Support functions
2985 (find_temp_slot_from_address): Rewrite to use the new hash table.
2986 (remove_unused_temp_slot_addresses): Remove addresses of temp
2987 slots that have been made available.
2988 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2989 worker function for remove_unused_temp_slot_addresses.
2990 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2991 Add the temp slot address to the address -> temp slot map.
2992 (update_temp_slot_address): Update via insert_temp_slot_address.
2993 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2994 (pop_temp_slots): Likewise.
2995 (init_temp_slots): Allocate the address -> temp slot map, or empty
2996 the map if it is already allocated.
2997 (prepare_function_start): Initialize temp slot processing.
2999 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3002 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3003 Calculate the size of all stack vars assuming no packing of stack
3004 vars will happen, replacing a quadratic algorithm with a linear one.
3006 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3009 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3012 2009-01-03 Diego Novillo <dnovillo@google.com>
3014 * doc/contrib.texi: Update contributions.
3016 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3019 * builtins.c (fold_builtin_memory_op): Give up if either operand
3020 is volatile. Set srctype or desttype to non-qualified version
3024 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3027 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3029 PR rtl-optimization/35805
3030 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3031 problem if fast dce is able to remove any instructions.
3032 * dce.c (dce_process_block): Fix dump message.
3034 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3037 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3039 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3042 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3043 * tree-pretty-print.c (op_code_prio): New function.
3044 (op_prio): No longer static. Use op_code_prio.
3045 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3046 Use op_prio and op_code_prio to determine if () should be
3047 printed around operand(s) or not.
3049 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3050 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3051 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3052 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3053 pp_character instead of pp_string for single letter printing.
3055 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3057 * doc/extend.texi: Fix '#pragma GCC option' typo.
3059 2009-01-02 Richard Guenther <rguenther@suse.de>
3061 * doc/install.texi (--enable-checking): Mention different
3063 (--enable-stage1-checking): Document.
3065 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3068 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3069 case to be an error.
3071 2009-01-02 Ben Elliston <bje@au.ibm.com>
3073 * config/fp-bit.h (pack_d): Constify argument.
3074 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3075 (isnan): Constify argument.
3079 (_fpadd_parts): Constify return type.
3080 (_fpmul_parts): Likewise.
3081 (_fpdiv_parts): Likewise.
3083 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3086 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3087 warn about overwriting initializer with side-effects or
3088 -Woverride-init if !IMPLICIT.
3089 (output_init_element): Likewise. Pass IMPLICIT down to
3091 (process_init_element): Add IMPLICIT argument. Pass it down
3092 to output_init_element.
3093 (push_init_element, pop_init_level, set_designator): Adjust
3094 process_init_element callers.
3095 (set_nonincremental_init, set_nonincremental_init_from_string):
3096 Adjust add_pending_init callers.
3097 (output_pending_init_elements): Adjust output_init_element callers.
3098 * c-tree.h (process_init_element): Adjust prototype.
3099 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3100 process_init_element callers.