1 2009-03-18 Richard Guenther <rguenther@suse.de>
3 * tree-vect-transform.c (vect_loop_versioning): Fold the
5 * tree-vectorizer.c (set_prologue_iterations): Likewise.
6 (slpeel_tree_peel_loop_to_edge): Likewise.
8 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
11 * opts.c (print_specific_help): In addition to `undocumented',
12 accept `separate' and `joined' flags if passed alone. Describe
13 output by the first matched one of those.
14 (common_handle_option): Skip over empty strings.
15 * gcc.c (display_help): Fix help string for `--help='.
16 * doc/invoke.texi (Option Summary, Overall Options): With
17 `--help=', classes and qualifiers can both be repeated, but
18 only the latter can be negated. One should not pass only
19 negated qualifiers. Fix markup and examples.
22 2008-10-14 Jakub Jelinek <jakub@redhat.com>
24 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
27 2009-03-17 Jing Yu <jingyu@google.com>
30 * function.h: Move is_thunk from rtl_data structure to function
32 * varasm.c (assemble_start_function): Change is_thunk from crtl to
34 * config/alpha/alpha.c: Change is_thunk from crtl to cfun.
35 * config/rs6000/rs6000.c: Change is_thunk from crtl to cfun.
36 * config/arm/arm.h: Change is_thunk from crtl to cfun.
38 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
41 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
42 from different units in a single alternative.
43 (*truncdfsf_i387): Ditto.
44 (*truncxfsf2_mixed): Ditto.
45 (*truncxfdf2_mixed): Ditto.
47 2009-03-17 Jakub Jelinek <jakub@redhat.com>
49 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
50 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
53 * tree-ssa-live.c (remove_unused_locals): Don't remove local
54 unused non-artificial variables when not optimizing.
57 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
58 DW_TAG_imported_module even if decl is IMPORTED_DECL with
59 NAMESPACE_DECL in its DECL_INITIAL.
62 * optabs.c (set_user_assembler_libfunc): New function.
63 * expr.h (set_user_assembler_libfunc): New prototype.
64 * c-common.c: Include libfuncs.h.
65 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
66 for memcmp, memset, memcpy, memmove and abort.
67 * Makefile.in (c-common.o): Depend on libfuncs.h.
70 * dwarf2out.c (gen_inlined_enumeration_type_die,
71 gen_inlined_structure_type_die, gen_inlined_union_type_die,
72 gen_tagged_type_instantiation_die): Removed.
73 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
76 2009-03-17 Janis Johnson <janis187@us.ibm.com>
79 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
81 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
82 (check-parallel-%): Ditto.
83 (check-consistency): Ditto.
85 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
87 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
88 local variable rhs by NULL_TREE.
90 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
93 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
95 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
98 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
100 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
103 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
104 for ms->sysv ABI calls only in 64bit mode.
106 * config/i386/i386.md (untyped_call): Support 32bit.
108 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
110 * doc/extend.texi: Replace x86_65 with x86_64.
112 2009-03-16 Jakub Jelinek <jakub@redhat.com>
114 PR tree-optimization/39455
115 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
116 mismatches for POINTER_TYPE_P (type).
117 (number_of_iterations_le): Likewise.
119 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
121 * config/picochip/picochip.c: Removed profiling support.
122 * config/picochip/picochip.md: Removed profiling instruction.
123 * config/picochip/picochip.h: Removed profiling builtin.
125 2009-03-16 Joseph Myers <joseph@codesourcery.com>
127 * doc/install.texi (--with-host-libstdcxx): Document.
129 2009-03-14 Anatoly Sokolov <aesok@post.ru>
132 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
133 generate a warning if the function name does not begin with
134 "__vector" and the function has either the 'signal' or 'interrupt'
135 attribute, from here to ...
136 (avr_declare_function_name): ...here. New function.
137 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
138 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
140 2009-03-14 Jakub Jelinek <jakub@redhat.com>
143 * cse.c (fold_rtx): Don't modify original const_arg1 when
144 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
145 separate variable instead.
146 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
147 from out of range shift counts.
148 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
150 2008-03-13 Catherine Moore <clm@codesourcery.com>
152 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
153 diagnostic.h with $(DIAGNOSTIC_H).
155 2008-03-12 Jakub Jelinek <jakub@redhat.com>
158 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
160 * config/i386/sync.md (sync_compare_and_swap<mode>,
161 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
162 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
164 (sync_double_compare_and_swapdi_pic,
165 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
166 cmpxchg8b_pic_memory_operand instead of just memory_operand.
168 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
171 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
173 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
176 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
177 (avx_addsubv4df3): Likewise.
178 (*avx_addsubv4sf3): Likewise.
179 (sse3_addsubv4sf3): Likewise.
181 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
184 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
186 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
189 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
190 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
191 registers for allocnos created from user-defined variables.
193 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
196 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
197 of non-integer mode as well.
199 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
201 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
202 for functions for which the parameter types are unknown.
204 2009-03-11 Jakub Jelinek <jakub@redhat.com>
207 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
208 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
209 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
210 * config/i386/i386.c (ix86_local_alignment): For
211 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
212 long long variables on the stack to avoid dynamic realignment.
213 Allow the first argument to be a decl rather than type.
214 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
216 2009-03-11 Nick Clifton <nickc@redhat.com>
219 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
221 Add description to mno-lsim option.
222 * config/mcore/mcore.h: Remove comment about deprecated m4align
224 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
225 * doc/invoke.texi: Add description of mno-lsim and
226 mstack-increment options.
228 * config/fr30/fr30.opt: Document the -mno-lsim option.
229 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
230 and -mno-lsim options.
232 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
234 * fold-const.c (fold_comparison): Only call fold_inf_compare
235 if the mode supports infinities.
237 2009-03-11 Jason Merrill <jason@redhat.com>
240 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
241 end already did. Notice GIMPLE_CALL modifications of the result.
242 Don't copy debug information from an ignored decl or a decl from
245 2009-03-10 Richard Guenther <rguenther@suse.de>
246 Nathan Froyd <froydnj@codesourcery.com>
249 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
250 (__divMODE3): Likewise.
252 2009-03-09 Jakub Jelinek <jakub@redhat.com>
254 PR tree-optimization/39394
255 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
256 DECL_SIZE_UNIT of variable length FIELD_DECLs.
258 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
260 * recog.c (verfiy_changes): Disallow renaming of hard regs in
261 inline asms for register asm ("") declarations.
263 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
265 * fold-const.c (fold_unary): Fix comment.
267 2009-03-07 Jan Hubicka <jh@suse.cz>
270 * tree-inline.c (setup_one_parameter): Do replacement of const argument
271 by constant in SSA form.
273 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
276 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
277 determine alignment passed to assign_stack_local.
278 (assign_parms_unsplit_complex): Likewise.
279 * except.c (sjlj_build_landing_pads): Likewise.
281 2009-03-06 Jakub Jelinek <jakub@redhat.com>
284 * tree-flow.h (add_referenced_var): Return bool instead of void.
285 * tree-dfa.c (add_referenced_var): Return result of
286 referenced_var_check_and_insert call.
287 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
288 of referenced_var_check_and_insert.
291 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
292 (gen_variable_die): Emit DW_AT_location on abstract static variable's
293 DIE, don't emit it if abstract origin already has it.
294 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
295 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
297 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
299 * genpreds.c: (needs_variable): Fix parentheses at variable name
301 (write_tm_constrs_h): Indent generated code.
303 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
305 * doc/extend.texi (Function Attributes): Add documentation
308 2009-03-06 Jakub Jelinek <jakub@redhat.com>
311 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
312 take locus from its DECL_SOURCE_LOCATION instead of input_location.
314 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
316 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
319 2009-03-05 Jakub Jelinek <jakub@redhat.com>
322 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
323 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
325 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
327 * config/i386/i386.md (R8_REG, R9_REG): New constants.
328 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
329 constants instead of magic numbers.
330 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
332 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
333 (x86_64_ms_abi_int_parameter_registers): Ditto.
334 (x86_64_int_return_registers): Ditto.
335 (ix86_maybe_switch_abi): Ditto.
336 (ix86_expand_call): Ditto for clobbered_registers array.
337 (ix86_hard_regno_mode_ok): Ditto.
338 (x86_extended_QIreg_mentioned_p): Ditto.
340 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
342 PR tree-optimization/39349
343 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
345 * combine.c (gen_lowpart_for_combine): Use omode when generating
348 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
350 PR rtl-optimization/39235
351 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
353 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
355 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
357 2009-03-04 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/39362
360 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
361 that occur in abnormal PHIs should be varying.
363 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
365 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
367 (simple_iv): Take loop as an argument instead of statement.
368 * tree-scalar-evolution.h (simple_iv): Declaration changed.
369 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
371 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
373 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
374 * matrix-reorg.c (analyze_transpose): Ditto.
375 * tree-data-ref.c (dr_analyze_innermost): Ditto.
376 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
377 * tree-predcom.c (ref_at_iteration): Ditto.
378 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
380 2009-03-04 Richard Guenther <rguenther@suse.de>
382 PR tree-optimization/39358
383 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
384 escaped_id and callused_id.
385 (solve_graph): Likewise.
387 2009-03-04 Richard Guenther <rguenther@suse.de>
389 PR tree-optimization/39339
390 * tree-sra.c (try_instantiate_multiple_fields): Make it
391 no longer ICE on the above.
393 2009-03-03 Joseph Myers <joseph@codesourcery.com>
395 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
396 that fits within Pmode.
398 2009-03-03 Steve Ellcey <sje@cup.hp.com>
401 * tm.texi (LIBCALL_VALUE): Update description.
403 2009-03-03 Steve Ellcey <sje@cup.hp.com>
406 * doc/extend.texi (section): Update description.
408 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
411 * tree-inline.c (remapped_type): New.
412 (can_be_nonlocal): Call remapped_type instead of remap_type.
414 2009-03-03 Jakub Jelinek <jakub@redhat.com>
417 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
418 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
420 2009-03-03 Richard Guenther <rguenther@suse.de>
423 * tree.c (tree_nonartificial_location): New function.
424 * tree.h (tree_nonartificial_location): Declare.
425 * builtins.c (expand_builtin_memory_chk): Provide location
426 of the call location for artificial function pieces.
427 (maybe_emit_chk_warning): Likewise.
428 (maybe_emit_sprintf_chk_warning): Likewise.
429 (maybe_emit_free_warning): Likewise.
430 * expr.c (expand_expr_real_1): Likewise.
432 2009-03-03 Jakub Jelinek <jakub@redhat.com>
434 PR tree-optimization/39343
435 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
436 COMPONENT_REF t has ARRAY_TYPE.
438 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
441 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
442 when the type precision of the induction variable should be
443 larger than the type precision of nit.
444 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
445 * graphite.c (graphite_loop_normal_form): Same.
446 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
448 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
450 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
451 (*call_1_rex64_ms_sysv): Use named constants instead of magic
452 numbers to describe clobbered registers.
453 (*call_value_0_rex64_ms_sysv): Ditto.
454 * config/i386/mmx.md (mmx_emms): Ditto.
457 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
459 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
462 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
464 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
465 (spu_section_type_flags): New function.
467 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
469 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
470 reg_class_contents of FLOAT_REGS into a temporary.
472 2009-03-02 Richard Guenther <rguenther@suse.de>
473 Ira Rosen <irar@il.ibm.com>
475 PR tree-optimization/39318
476 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
477 information to the vectorized statement.
479 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
481 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
482 variable. Use defined names instead of magic constants for REX SSE
485 2009-03-01 Richard Guenther <rguenther@suse.de>
487 PR tree-optimization/39331
488 * omp-low.c (lower_send_shared_vars): Do not receive new
489 values for the reference of DECL_BY_REFERENCE parms or results.
491 2009-03-01 Jan Hubicka <jh@suse.cz>
494 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
495 BLOCK_NONLOCALIZED_VAR): New macros.
496 (tree_block): Add nonlocalized_vars.
497 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
498 gen_decl_die): Add origin argument. Allow generation of die with
500 (gen_member_die, gen_type_die_with_usage, force_decl_die,
501 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
503 (gen_block_die): Fix checking for unused blocks.
504 (process_scope_var): Break out from .... ; work with origins only.
505 (decls_for_scope) ... here; process nonlocalized list.
506 (dwarf2out_ignore_block): Look for nonlocalized vars.
507 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
509 (dump_scope_block): Dump them.
510 * tree-inline.c (remap_decls): Handle nonlocalized vars.
511 (remap_block): Likewise.
512 (can_be_nonlocal): New predicate.
513 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
515 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
517 * configure: Regenerate.
519 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
521 * optc-gen.awk: No need to duplicate option flags twice.
522 Reuse help texts for duplicate options which do not have any.
524 * gcc.c (display_help): Document --version.
526 * gcc.c (main): If print_help_list and verbose_flag, ensure
527 driver output comes before subprocess output.
529 * optc-gen.awk: Assign all remaining fields to help string,
530 space-separated, for multi-line help in *.opt.
532 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
533 -Wno-pedantic-ms-format is for MinGW targets only.
535 * doc/options.texi (Option file format): Fix bad indentation,
536 restoring dropped sentence.
538 2009-02-28 Jan Hubicka <jh@suse.cz>
540 * tree-inline.c (tree_function_versioning): Output debug info.
542 2009-02-28 Jan Hubicka <jh@suse.cz>
545 * tree-inline.c (setup_one_parameter): Do not copy propagate
546 arguments when not optimizing.
548 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
551 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
552 (avx_addsubv4df3): Likewise.
553 (*avx_addsubv4sf3): Likewise.
554 (sse3_addsubv4sf3): Likewise.
555 (*avx_addsubv2df3): Likewise.
556 (sse3_addsubv2df3): Likewise.
557 (avx_unpckhps256): Correct item selectors.
558 (avx_unpcklps256): Likewise.
559 (avx_unpckhpd256): Likewise.
560 (avx_unpcklpd256): Likewise.
562 2009-02-28 Jan Hubicka <jh@suse.cz>
564 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
566 (copy_arguments_for_versioning): If var is declared don't declare it.
567 (tree_function_versioning): First setup substitutions and then copy
570 2009-02-27 Jan Hubicka <jh@suse.cz>
573 * cgraph.h (varpool_output_debug_info): Remove.
574 * cgraphunit.c (varpool_output_debug_info): Remove.
575 * dwarf2out.c (deferred_locations_struct): New struct
576 (deferred_locations): New type.
577 (deferred_locations_list): New static var.
578 (deffer_location): New function.
579 (gen_variable_die): Use it.
580 (decls_for_scope): Output info on local static vars.
581 (dwarf2out_finish): Process deferred locations.
582 * varpool.c (varpool_output_debug_info): Remove.
584 2009-02-27 Jan Hubicka <jh@suse.cz>
587 * tree.h (TREE_PROTECTED): Fix comment.
588 (BLOCK_HANDLER_BLOCK): Remove.
589 (struct tree_block): Remove handler_block add body_block.
590 (inlined_function_outer_scope_p): New.
591 (is_body_block): Remove.
592 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
593 * dwarf2out.c (is_inlined_entry_point): Remove.
594 (add_high_low_attributes): Use inlined_function_outer_scope_p.
595 (gen_block_die): Use is_inlined_entry_point check. Remove body block
597 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
598 * gimplify.c (gimplify_expr): Gimplify body blocks.
599 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
600 block with multiple subblocks.
601 (dump_scope_block): Prettier output; dump more flags and info.
602 (dump_scope_blocks): New.
603 (remove_unused_locals): Use dump_scope_blocks.
604 * tree-flow.h (dump_scope_blocks): Declare.
605 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
606 * stmt.c (is_body_block): Remove.
607 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
608 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
610 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
613 * graphite.c (graphite_loop_normal_form): Do not call
614 number_of_iterations_exit from a gcc_assert.
616 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
618 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
619 jumps if COND is NULL.
620 (find_cond_jump): New function.
621 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
622 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
624 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
626 * config/alpha/alpha.h (alpha_expand_mov): Return false if
627 force_const_mem returns NULL_RTX.
629 2009-02-26 Jan Hubicka <jh@suse.cz>
632 * cgraph.h (varpool_output_debug_info): Remove.
633 * cgraphunit.c (varpool_output_debug_info): Remove.
634 * dwarf2out.c (deferred_locations_struct): New struct
635 (deferred_locations): New type.
636 (deferred_locations_list): New static var.
637 (deffer_location): New function.
638 (gen_variable_die): Use it.
639 (decls_for_scope): Output info on local static vars.
640 (dwarf2out_finish): Process deferred locations.
641 * varpool.c (varpool_output_debug_info): Remove.
643 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
645 PR rtl-optimization/39241
646 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
647 to subreg_offset_representable_p.
649 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
651 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
652 execute function prototype. Get f and nregs from max_reg_num
653 and get_insns. Remove the first backward pass as it's dead,
654 guard the forward pass by flag_expensive_optimizations.
655 (rest_of_handle_regmove): Delete.
656 (pass_regmove): Replace it with regmove_optimize.
658 2009-02-25 Martin Jambor <mjambor@suse.cz>
660 PR tree-optimization/39259
661 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
662 calls_alloca function flags.
663 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
666 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
668 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
669 flags_set_1_rtx, flags_set_1_set): Delete.
670 (regmove_optimize): Do not call mark_flags_life_zones.
672 2009-02-24 Julian Brown <julian@codesourcery.com>
675 * config/arm/arm.c (require_pic_register): Only set
676 cfun->machine->pic_reg once per function.
678 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
680 * doc/invoke.texi (Link Options): Document an easier way to pass
681 options that take arguments to the GNU linker using -Xlinker and -Wl.
683 2009-02-24 Steve Ellcey <sje@cup.hp.com>
686 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
688 2009-02-24 Richard Guenther <rguenther@suse.de>
691 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
693 2009-02-24 Richard Guenther <rguenther@suse.de>
694 Zdenek Dvorak <ook@ucw.cz>
696 PR tree-optimization/39233
697 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
698 from converting them to a generic type.
700 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
702 PR tree-optimization/39260
703 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
704 contains a condition with a real type.
705 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
707 2009-02-23 Jason Merrill <jason@redhat.com>
710 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
711 narrowing_initializer_constant_valid_p.
712 (narrowing_initializer_constant_valid_p): Don't return
713 null_pointer_node for adding a pointer to itself.
715 2009-02-23 Jan Hubicka <jh@suse.cz>
718 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
721 2009-02-23 Jan Hubicka <jh@suse.cz>
723 PR tree-optimization/37709
724 * tree.c (block_ultimate_origin): Move here from dwarf2out.
725 * tree.h (block_ultimate_origin): Declare.
726 * dwarf2out.c (block_ultimate_origin): Move to tree.c
727 * tree-ssa-live.c (remove_unused_scope_block_p):
728 Eliminate blocks containig no instructions nor live variables nor
730 (dump_scope_block): New function.
731 (remove_unused_locals): Enable removal of dead blocks by default;
732 enable dumping at TDF_DETAILS.
734 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
736 * config/i386/i386.c (classify_argument): Don't allow COImode
738 (function_arg_advance_32): Don't allow OImode.
739 (function_arg_32): Likewise.
740 (function_value_32): Likewise.
741 (return_in_memory_32): Likewise.
742 (function_arg_64): Remove OImode comment.
744 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
747 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
748 ix86_expand_vector_set for V4DImode in 64bit mode only.
749 (ix86_expand_vector_init_one_var): Likewise.
751 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
753 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
755 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
758 * loop-iv.c: Revert last change.
759 * emit-rtl.c: Likewise.
761 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
764 * config/i386/i386.c (type_natural_mode): Remove an extra
765 space in the warning message.
766 (function_value_32): Handle 32-byte vector modes.
767 (return_in_memory_32): Likewise.
769 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
771 * loop-iv.c (truncate_value): New function.
772 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
774 (lowpart_subreg): Move to...
775 * emit-rtl.c: ...here.
777 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
779 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
780 accidental and undocumented change at revision 140860.
782 2009-02-21 Joseph Myers <joseph@codesourcery.com>
784 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
785 take gimple_seq * arguments.
786 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
787 types_compatible_p langhook.
789 2009-02-20 Mark Mitchell <mark@codesourcery.com>
790 Joseph Myers <joseph@codesourcery.com>
792 * config/arm/arm.c (arm_builtin_va_list): New function.
793 (arm_expand_builtin_va_start): Likewise.
794 (arm_gimplify_va_arg_expr): Likewise.
795 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
796 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
797 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
798 (va_list_type): New variable.
799 (arm_mangle_type): Mangle va_list_type appropriately.
801 2009-02-20 Jakub Jelinek <jakub@redhat.com>
804 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
805 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
806 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
807 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
808 parameter to 1000 for -O1 by default.
809 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
811 * loop-invariant.c: Include params.h.
812 (move_loop_invariants): Don't call move_single_loop_invariants on
815 2009-02-20 Jaka Mocnik <jaka@xlab.si>
817 * calls.c (emit_library_call_value_1): Use slot_offset instead of
818 offset when calculating bounds for indexing stack_usage_map. Fixes
819 a buffer overflow with certain target setups.
821 2009-02-20 Jakub Jelinek <jakub@redhat.com>
824 * calls.c (expand_call): Clear try_tail_call if caller and callee
825 disagree in promotion of function return value.
827 2009-02-19 Jakub Jelinek <jakub@redhat.com>
830 * c-common.c (c_determine_visibility): If visibility changed and
831 DECL_RTL has been already set, call make_decl_rtl to update symbol
834 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
837 * varasm.c (assemble_variable): Don't check DECL_NAME when
838 globalizing a variable.
840 2009-02-19 Joseph Myers <joseph@codesourcery.com>
843 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
844 expression before any __builtin_trap call.
845 * c-typeck.c (build_function_call): Convert and check function
846 arguments before generating a call to a trap. Evaluate the
847 function arguments before the trap.
849 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
852 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
853 (UNSPEC_FXAM_MEM): New unspec.
854 (fxam<mode>2_i387_with_temp): New insn and split pattern.
855 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
856 memory using fxam<mode>2_i387_with_temp to remove excess precision.
858 2009-02-19 Richard Guenther <rguenther@suse.de>
860 PR tree-optimization/39207
861 PR tree-optimization/39074
862 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
863 storedanything_tree): New.
864 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
865 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
866 (build_succ_graph): Add edges from STOREDANYTHING to all
868 (init_base_vars): Initialize STOREDANYTHING.
869 (compute_points_to_sets): Free substitution info after
870 building the succ graph.
871 (ipa_pta_execute): Likewise.
873 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
875 (do_ds_constraint): Do not add to special var or non-pointer
877 (type_could_have_pointers): Split out from ...
878 (could_have_pointers): ... here. For arrays use the element type.
879 (create_variable_info_for): Initialize may_have_pointers.
880 (new_var_info): Likewise.
881 (handle_lhs_call): Make the HEAP variable unknown-sized.
882 (intra_create_variable_infos): Use a type with pointers for
883 PARM_NOALIAS, make it unknown-sized.
885 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
888 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
890 2009-02-18 Jason Merrill <jason@redhat.com>
893 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
894 value if DECL_EXTERNAL.
895 * tree-sra.c (sra_walk_gimple_assign): Likewise.
896 * target.h (gcc_target::binds_local_p): Clarify "module".
897 * tree.h (TREE_PUBLIC): Clarify "module".
899 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
902 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
903 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
905 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
908 * c.opt (Wabi): Support C and ObjC.
911 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
913 * config/i386/i386.c (classify_argument): Warn once about the ABI
914 change when passing union with long double.
916 * doc/invoke.texi: Update -Wabi for warning psABI changes.
918 2009-02-18 Joseph Myers <joseph@codesourcery.com>
921 * c-parser.c (c_parser_compound_statement): Always enter and leave
924 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
927 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
929 2009-02-18 Jakub Jelinek <jakub@redhat.com>
931 PR tree-optimization/36922
932 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
933 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
936 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
938 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
941 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
943 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
945 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
947 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
950 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
951 Richard Sandiford <rdsandiford@googlemail.com>
953 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
954 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
955 (loongson_biadd): ...this.
957 2009-02-17 Richard Guenther <rguenther@suse.de>
959 PR tree-optimization/39202
960 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
961 a var make sure to follow existing collapses.
963 2009-02-17 Richard Guenther <rguenther@suse.de>
966 * langhooks.c (lhd_print_error_function): Check for NULL block.
968 2009-02-17 Richard Guenther <rguenther@suse.de>
970 PR tree-optimization/39204
971 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
974 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
976 * config/soft-fp/double.h: Update from glibc CVS.
978 2009-02-17 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/39207
981 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
982 strict-aliasing warnings for pointers pointing to NULL.
984 2009-02-16 Joseph Myers <joseph@codesourcery.com>
987 * c-parser.c (c_parser_braced_init): Call pop_init_level when
988 skipping until next close brace.
990 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
993 * config/i386/i386.c (ix86_expand_push): Set memory alignment
994 to function argument boundary.
996 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
998 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
999 in the lea_add. Reload eventually constraints it properly.
1000 * config/picochip/constraints.md : Remove the target constraint
1001 "b", since it is not needed anymore.
1003 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1005 * gthr-dce.h: Uglify function parameter and local variable names.
1006 * gthr-gnat.h: Likewise.
1007 * gthr-mipssde.h: Likewise.
1008 * gthr-nks.h: Likewise.
1009 * gthr-posix95.h: Likewise.
1010 * gthr-posix.h: Likewise.
1011 * gthr-rtems.h: Likewise.
1012 * gthr-single.h: Likewise.
1013 * gthr-solaris.h: Likewise.
1014 * gthr-tpf.h: Likewise.
1015 * gthr-vxworks.h: Likewise.
1016 * gthr-win32.h: Likewise.
1018 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1021 * config/i386/i386.md: Restrict the new peephole2 to move
1022 between MMX/SSE registers.
1024 2009-02-15 Richard Guenther <rguenther@suse.de>
1027 2009-02-13 Richard Guenther <rguenther@suse.de>
1029 * configure.ac: Enable LFS.
1030 * configure: Re-generate.
1031 * config.in: Likewise.
1033 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1035 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1036 spu_srqwbyte, spu_srqwbytebc): Define.
1037 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1038 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1039 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1040 "shrqby_<mode>"): New insn-and-split patterns.
1041 * config/spu/spu.c (expand_builtin_args): Determine and return
1042 number of operands using spu_builtin_description data.
1043 (spu_expand_builtin_1): Use it.
1045 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1048 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1051 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1054 * config/i386/i386.c (override_options): Correct warning
1055 messages for -malign-loops, -malign-jumps and -malign-functions.
1057 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1060 * config/i386/i386.md: Restrict the new peephole2 to move
1061 between the general purpose registers.
1063 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1066 * config/i386/i386.c (type_natural_mode): Add a new argument.
1067 Return the original mode and warn ABI change if vector size is 32byte.
1068 (function_arg_advance): Updated.
1069 (function_arg): Likewise.
1070 (ix86_function_value): Likewise.
1071 (ix86_return_in_memory): Likewise.
1072 (ix86_sol10_return_in_memory): Likewise.
1073 (ix86_gimplify_va_arg): Likewise.
1074 (function_arg_32): Don't warn ABX ABI change here.
1075 (function_arg_64): Likewise.
1077 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1079 * loop-iv.c (implies_p): In the final case, test that operands 0
1080 of the two comparisons match.
1082 * config/bfin/bfin.c (find_prev_insn_start): New function.
1083 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1084 (find_next_insn_start): Move.
1086 2009-02-13 Richard Guenther <rguenther@suse.de>
1088 * configure.ac: Enable LFS.
1089 * configure: Re-generate.
1090 * config.in: Likewise.
1092 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1095 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1096 sizes on syntax error after some arguments have been parsed.
1098 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1100 * doc/invoke.texi (-fira): Remove.
1102 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1104 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1105 * recog.c: Likewise.
1108 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1110 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1111 (umul_ppmm): Likewise.
1112 (count_leading_zeros): Likewise.
1113 (count_trailing_zeros): Likewise.
1114 (UMUL_TIME): Likewise.
1116 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1118 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1119 soft-fp/t-softfp to tmake_file.
1121 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1122 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1123 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1124 IA64_BUILTIN_INFQ]: New.
1125 (ia64_init_builtins): Initialize __builtin_infq,
1126 __builtin_fabsq and __builtin_copysignq if not HPUX.
1127 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1128 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1130 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1132 (__fixtfti): Likewise.
1133 (__fixunstfti): Likewise.
1134 (__floattitf): Likewise.
1136 * config/ia64/libgcc-glibc.ver: New.
1137 * config/ia64/t-fprules-softfp: Likewise.
1138 * config/ia64/sfp-machine.h: Likewise.
1140 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1141 (LIBGCC2_TF_CEXT): Likewise.
1142 (TF_SIZE): Likewise.
1143 (TARGET_INIT_LIBFUNCS): Likewise.
1145 * config/ia64/t-glibc (SHLINB_MAPFILES):
1146 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1148 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1150 * config/i386/i386.c (construct_container): Rewrite processing
1151 BLKmode with X86_64_SSE_CLASS.
1153 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1156 * config/i386/i386.md: Replace simplify_replace_rtx with
1157 replace_rtx in the new peephole2.
1159 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1161 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1162 loop unrolling do not happen at -O2.
1164 2009-02-12 Michael Matz <matz@suse.de>
1166 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1168 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1170 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1173 2009-02-12 Ben Elliston <bje@au.ibm.com>
1175 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1176 patterns when updating the back chain. Missed in the 2009-02-10
1179 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1181 * doc/extend.texi (Decimal Floating Types): Update identifier of
1182 draft TR and list of missing support.
1184 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1187 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1188 bit to variable length decl's flags, add it also to its
1189 pointer replacement variable.
1191 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1192 Jakub Jelinek <jakub@redhat.com>
1195 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1196 (memory_blockage): New expander.
1197 (*memory_blockage): New insn pattern.
1198 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1199 instead of general blockage at the end of function prologue when
1200 frame pointer is used to access red zone area. Do not emit blockage
1201 when profiling, it is emitted in generic code.
1202 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1203 function epilogue when frame pointer is used to access red zone area.
1205 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1208 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1209 by arithmetic with memory operands.
1210 * config/i386/predicates.md (commutative_operator): New.
1212 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1214 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1217 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1219 * alias.h (record_alias_subset): Declare.
1220 * alias.c (record_alias_subset): Make global.
1222 2009-02-10 Nick Clifton <nickc@redhat.com>
1224 * tree-parloops.c: Change license to GPLv3.
1225 * ipa-struct-reorg.c: Change license to GPLv3.
1226 * ipa-struct-reorg.h: Change license to GPLv3.
1228 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1231 * c-decl.c (start_struct): Return NULL on error.
1233 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1236 * cfgloopmanip.c (remove_path): Call remove_bbs after
1237 cancel_loop_tree, not before it.
1240 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1241 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1242 VAR_DECLs were seen.
1243 * tree-ssa-live.c (remove_unused_locals): Recompute
1244 cfun->has_local_explicit_reg_vars.
1245 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1246 copies or clearings if cfun->has_local_explicit_reg_vars.
1248 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1251 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1252 of function prologue when frame pointer is used to access
1255 2009-02-10 Richard Guenther <rguenther@suse.de>
1258 * gimplify.c (gimple_regimplify_operands): Always look if
1259 we need to create a temporary.
1261 2009-02-10 Richard Guenther <rguenther@suse.de>
1263 PR tree-optimization/39132
1264 * tree-loop-distribution.c (todo): New global var.
1265 (generate_memset_zero): Trigger TODO_rebuild_alias.
1266 (tree_loop_distribution): Return todo.
1268 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1271 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1272 (x86_64_reg_class_name): Removed.
1273 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1274 first one isn't X86_64_SSE_CLASS or any other ones aren't
1275 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1276 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1277 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1278 and 3 X86_64_SSEUP_CLASS.
1279 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1280 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1282 2009-02-10 Ben Elliston <bje@au.ibm.com>
1284 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1285 form instruction to update the stack back chain word, even if the
1286 user has disabled the generation of update instructions.
1287 (movdi_<mode>_update_stack): New.
1288 (movsi_update_stack): Likewise.
1289 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1290 always use an update form instruction to update the stack back
1293 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1296 * graphite.c (if_region_set_false_region): After moving a region in
1297 the false branch of a condition, remove the empty dummy basic block.
1298 (gloog): Remove wrong fix for PR38953.
1300 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1302 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1303 generation due to implicit sign extension.
1305 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1308 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1309 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1311 2009-02-09 Richard Guenther <rguenther@suse.de>
1314 * convert.c (convert_to_real): Disable (float)fn((double)x)
1315 to fnf(x) conversion if errno differences may occur and
1316 -fmath-errno is set.
1318 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1320 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1321 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1322 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1324 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1327 * c-common.c (handle_alias_attribute): Disallow attribute for
1328 anything not a FUNCTION_DECL or VAR_DECL.
1330 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1333 * real.c (do_compare): Special-case compare of zero against
1334 decimal float value.
1336 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1339 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1340 as indicating flexible array members unless the field itself is
1341 being declarared as the incomplete array.
1343 2009-02-06 Jan Hubicka <jh@suse.cz>
1345 PR tree-optimization/38844
1346 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1349 2009-02-06 Richard Guenther <rguenther@suse.de>
1352 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1353 fork because we may expand it as __gcov_fork.
1355 2009-02-06 Nick Clifton <nickc@redhat.com>
1357 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1359 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1361 PR tree-optimization/35659
1362 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1363 vn_phi_eq): Shortcut if hashcode does not match.
1364 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1366 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1367 and avoid iterative_hash_expr.
1368 (FOR_EACH_VALUE_ID_IN_SET): New.
1369 (value_id_compare): Remove.
1370 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1371 sort expressions by value id.
1373 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1376 * config/sh/predicates.md (general_movsrc_operand): Don't check
1377 the subreg of system registers here.
1379 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1382 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1385 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1387 PR rtl-optimization/39110
1388 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1389 addresses, not aligned ones.
1391 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1392 Richard Guenther <rguenther@suse.de>
1394 PR tree-optimization/39100
1395 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1396 comment says and add edges.
1398 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1401 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1402 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1404 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1406 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1407 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1408 register_bb_in_sese, new_sese, free_sese): Moved.
1409 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1410 outermost_loop_in_scop, build_scop_iteration_domain,
1411 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1412 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1413 Use loop_in_sese_p instead of loop_in_scop_p.
1414 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1415 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1416 (scopdet_basic_block_info): Fix bug in scop detection.
1417 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1418 eq_loop_to_cloog_loop): Remove.
1419 (nb_loops_around_loop_in_scop, nb_loop
1420 ref_nb_loops): Moved here...
1421 * graphite.h (ref_nb_loops): ... from here.
1422 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1423 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1424 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1425 * testsuite/gcc.dg/graphite/scop-19.c: New
1427 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1428 Hans-Peter Nilsson <hp@axis.com>
1430 PR rtl-optimization/37889
1431 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1432 Move offset handling from PLUS to before the switch. Use new
1433 arguments when considering SYMBOL_REFs too.
1434 (rtx_addr_can_trap_p): Pass dummy offset and size.
1435 (enum may_trap_p_flags): Remove.
1436 (may_trap_p_1): Pass size from MEM_SIZE.
1438 PR rtl-optimization/38921
1439 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1440 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1441 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1442 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1444 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1446 AVX Programming Reference (January, 2009)
1447 * config/i386/sse.md (*vpclmulqdq): New.
1449 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1451 PR tree-optimization/38977
1452 PR gcov-profile/38292
1453 * calls.c (special_function_p): Disregard __builtin_ prefix.
1455 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1457 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1458 non-indexable addresses even before reload.
1460 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1463 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1464 as having variable size. Do not give an error for unnamed
1465 parameters with [*] declarators. Give a warning for type names
1466 with [*] declarators and mark them as variable size.
1467 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1468 for sizeof applied to [*] type names.
1470 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1473 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1475 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1477 * gcc.c (process_command): Update copyright notice dates.
1478 * gcov.c (print_version): Likewise.
1479 * gcov-dump.c (print_version): Likewise.
1480 * mips-tfile.c (main): Likewise.
1481 * mips-tdump.c (main): Likewise.
1483 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1486 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1487 for composite type involving a zero-length array type.
1489 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1492 * function.c (match_asm_constraints_1): Skip over
1493 initial optional % in the constraint.
1496 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1497 supported, don't accept FIXED_CSTs.
1498 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1499 and _Sat is used without _Fract/_Accum. Set specs->type to
1500 integer_type_node for cts_fract/cts_accum if fixed point is not
1503 2009-02-02 Catherine Moore <clm@codesourcery.com>
1505 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1507 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1509 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1510 (ABI_HAS_64BIT_SYMBOLS): Use it.
1511 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1513 2009-02-02 Paul Brook <paul@codesourcery.com>
1515 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1517 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1520 * recog.h (asm_operand_ok): Add constraints argument.
1521 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1522 recurse on matching constraint.
1523 (check_asm_operands): Pass constraints as 3rd argument to
1524 asm_operand_ok. Don't look up matching constraint here.
1525 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1528 2009-02-02 Ben Elliston <bje@au.ibm.com>
1530 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1531 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1533 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1535 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1536 information. Remove some obsolete information. Reorganize.
1538 * config/pa/fptr.c: Revert license to GPL 2.
1539 * config/pa/milli64.S: Likewise.
1541 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1544 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1545 LIBRARY name in, instead of hard-coding it.
1546 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1547 extra target make frag to tmake_files according to EH model.
1548 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1549 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1550 frags that define makefile variable EH_MODEL appropriately.
1551 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1552 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1553 to "-sjlj" according to type of EH configured.
1554 (LIBGCC_SONAME): Concatenate it to shared library base name.
1555 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1556 to "_sjlj" according to type of EH configured.
1557 (LIBGCC_SONAME): Concatenate it to shared library base name.
1558 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1559 (SHLIB_LINK): Add missing semicolon to if-else construct.
1560 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1561 string value of "pe_dll" command-line option.
1562 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1563 (SHLIB_SONAME): Use it when overriding t-cygming default.
1564 (SHLIB_IMPLIB): Override t-cygming default.
1565 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1566 string value of "pe_dll" command-line option.
1568 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1571 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1572 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1574 2009-01-31 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/38937
1577 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1578 computing the transitive closure.
1580 2009-01-30 Richard Guenther <rguenther@suse.de>
1582 PR tree-optimization/39041
1583 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1584 Propagate variable indices only if the types match for this stmt.
1586 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1589 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1590 inline but never defined.
1592 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1594 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1595 (*insv_h_di_reg_extimm): New insn.
1596 (*insv_l<mode>_reg_extimm): New insn.
1598 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1600 * config/picochip/picochip.c (flag_conserve_stack): set
1601 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1602 fconserve-stack. Reduce call-overhead used by inliner.
1604 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1607 * common.opt (flag_conserve_stack): Initialised to zero.
1609 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1612 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1613 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1616 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1618 * ira-color.c (allocno_reload_assign): Update comments.
1619 * regmove.c (regmove_optimize): Likewise.
1623 2009-01-29 Robert Millan <rmh@aybabtu.com>
1625 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1626 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1627 `MD_UNWIND_SUPPORT'.
1628 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1630 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1632 PR tree-optimization/39007
1633 * tree-loop-distribution.c (generate_builtin): Use
1634 recompute_dominator to compute the immediate dominator of the
1635 basic block just after the loop.
1637 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1639 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1640 (ASM_OUTPUT_DWARF_PCREL): Define.
1642 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1644 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1645 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1646 global. Modify entries about regmove and IRA.
1648 * ra-conflict.c: Remove the file.
1650 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1652 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1653 (pass_regclass_init): Rename to pass_reginfo_init.
1655 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1657 * toplev.h (flag_ira): Remove.
1659 * caller-save.c (setup_save_areas): Remove flag_ira.
1661 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1663 * global.c: Remove the file.
1665 * opts.c: (decode_options): Remove flag_ira.
1667 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1669 * regmove.c: Modify file description.
1670 (find_use_as_address, try_auto_increment): Define them only if
1671 AUTO_INC_DEC is defined.
1672 (replacement_quality, replace_in_call_usage, fixup_match_1,
1673 stable_and_no_regs_but_for_p): Remove.
1674 (reg_set_in_bb): Make it static.
1675 (regmove_optimize): Remove flag_ira and code which worked for
1678 * local-alloc.c: Remove the file.
1680 * common.opt (fira): Remove.
1682 * ira.c: Include except.h.
1683 (eliminable_regset): Move from global.c.
1684 (mark_elimination): Ditto. Remove flag_ira.
1685 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1686 equiv_mem_modified, validate_equiv_mem_from_store,
1687 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1688 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1689 no_equiv, recorded_label_ref): Move from local-alloc.c.
1690 (update_equiv_regs): Ditto. Make it static.
1691 (print_insn_chain, print_insn_chains): Move it from global.c.
1692 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1693 (build_insn_chain): Ditto. Make it static.
1694 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1695 Rename to init_live_subregs.
1696 (gate_ira): Remove flag_ira.
1698 * regclass.c: Rename reginfo.c. Change file description.
1699 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1700 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1701 (init_reg_sets_1): Remove code for evaluation of
1702 reg_class_superclasses and losing_caller_save_reg_set.
1703 (init_regs): Remove init_reg_autoinc.
1704 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1705 ok_for_base_p_nonstrict): Remove.
1706 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1707 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1708 corresponding entries.
1709 (dump_regclass, record_operand_costs, scan_one_insn,
1710 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1711 record_address_regs, auto_inc_dec_reg_p): Remove.
1712 (gt-regclass.h): Rename to gt-reginfo.h.
1714 * rtl.h (dump_global_regs, retry_global_alloc,
1715 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1717 * Makefile.in (RA_H): Remove.
1718 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1719 Rename regclass.o to reginfo.o.
1720 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1722 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1723 (GTFILES): Rename regclass.c to reginfo.c.
1725 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1726 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1728 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1729 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1731 (finish_spills): Ditto. Remove code for !flag_ira.
1733 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1736 * doc/invoke.texi (rtl debug options): Complete rewrite.
1737 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1739 * mode-switching.c (pass_mode_switching): Rename pass from
1740 "mode-sw" to "mode_sw".
1741 * except.c (pass_convert_to_eh_ranges): Rename pass from
1742 "eh-ranges" to "eh_ranges".
1743 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1747 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1748 Alexander Monakov <amonakov@ispras.ru>
1751 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1753 (move_exprs_to_boundary): Change return type and pass through
1754 should_move from move_op. Relax assert. Update usage ...
1755 (schedule_expr_on_boundary): ... here. Use should_move instead of
1757 (move_op_orig_expr_found): Indicate that insn was disconnected from
1759 (code_motion_process_successors): Do not call after_merge_succs
1760 callback if original expression was not found when traversing any of
1762 (code_motion_path_driver): Change return type. Update prototype.
1763 (move_op): Update comment. Add a new parameter (should_move). Update
1764 prototype. Set *should_move based on indication provided by
1765 move_op_orig_expr_found.
1767 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1769 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1770 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1771 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1772 * config/rs6000/rs6000.c (rs6000_override_options): Default
1773 avoid-indexed-addresses on for Power6, off for everything else.
1774 (avoiding_indexed_address_p): New function.
1775 (rs6000_legitimize_address): Use it.
1776 (rs6000_legitimate_address): Likewise.
1777 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1779 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1781 PR tree-optimization/38997
1782 * tree-loop-distribution.c (generate_memset_zero): Use
1783 POINTER_PLUS_EXPR for a pointer addition.
1785 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1787 * config/s390/s390.md (bswap<mode>2): New pattern added.
1789 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1791 * config/s390/s390.md (*tls_load_31): Added type attribute.
1793 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1795 * config/s390/s390.md: Fix a few comments.
1797 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1799 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1800 (*tm<mode>_full): Fixed z10prop attribute.
1801 (*tst<mode>_extimm): Fixed z10prop attribute.
1802 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1803 (*tstqiCCT_cconly): Fixed z10prop attribute.
1804 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1805 (*movsi_larl): Fixed z10prop attribute.
1806 (*movsi_zarch): Fixed z10prop attribute.
1807 (*movsi_eas): Fixed z10prop attribute.
1808 (*movhi): Fixed z10prop attribute.
1809 (*movqi): Fixed z10prop attribute.
1810 (*movstrictqi): Fixed z10prop attribute.
1811 (*mov<mode>): Fixed z10prop attribute.
1812 (*movcc): Fixed z10prop attribute.
1813 (*sethighpartdi_64): Fixed z10prop attribute.
1814 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1815 (*negdi2_sign_cc): Fixed z10prop attribute.
1816 (*negdi2_sign): Fixed z10prop attribute.
1817 (*absdi2_sign_cc): Fixed z10prop attribute.
1818 (*absdi2_sign): Fixed z10prop attribute.
1819 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1820 (*negabsdi2_sign): Fixed z10prop attribute.
1821 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1822 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1823 (doloop_si64): Fixed z10prop attribute.
1824 (doloop_si31): Fixed z10prop attribute.
1825 (doloop_long): Fixed z10prop attribute.
1826 (indirect_jump): Fixed z10prop attribute.
1827 (nop): Fixed z10prop attribute.
1828 (main_base_64): Fixed z10prop attribute.
1829 (reload_base_64): Fixed z10prop attribute.
1831 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1833 PR rtl-optimization/38740
1834 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1836 * config/mips/mips.c (mips_reorg): Likewise.
1838 2009-01-28 Richard Guenther <rguenther@suse.de>
1840 PR tree-optimization/38926
1841 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1842 with the correct value id to a value.
1843 (do_regular_insertion): Use the value number of edoubleprime
1844 for the value number of the expr.
1847 2008-08-21 Richard Guenther <rguenther@suse.de>
1849 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1850 a PHI ask VN if it is already available.
1851 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1852 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1854 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1857 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1858 set to varying whenever max has TREE_OVERFLOW set, similarly
1859 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1861 2009-01-28 Richard Guenther <rguenther@suse.de>
1864 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1865 uninitialized aggregate uses in call arguments.
1867 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1869 PR tree-optimization/38984
1870 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1871 the nothing_id variable if -fno-delete-null-pointer-checks.
1873 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1876 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1877 (set_got_offset_rex64): Ditto.
1879 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1882 * doc/extend.texi: Improve local variable with asm reg.
1884 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1886 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1887 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1888 was not supplied then set warn_packed_bitfield_compat to the
1890 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1893 2009-01-27 Richard Guenther <rguenther@suse.de>
1895 PR tree-optimization/38503
1896 * cfgexpand.c (expand_gimple_basic_block): Ignore
1897 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1898 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1899 variables that cannot have TBAA applied.
1900 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1903 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1906 * calls.c (initialize_argument_information): Do not wrap complex
1907 arguments in SAVE_EXPR.
1909 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1911 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1912 (INSTALL_LIBGCC): Revert typo commit.
1914 2009-01-26 Richard Guenther <rguenther@suse.de>
1916 PR tree-optimization/38745
1917 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1918 from special handling.
1920 2009-01-26 Richard Guenther <rguenther@suse.de>
1922 PR tree-optimization/38745
1923 * tree-ssa.c (execute_update_addresses_taken): Do not include
1924 variables that cannot possibly be a register in not_reg_needs.
1925 Do not clear TREE_ADDRESSABLE on vars that may not become
1927 * tree-ssa.c (update_alias_info_1): Include those in the set
1928 of addressable vars.
1930 2009-01-26 Richard Guenther <rguenther@suse.de>
1933 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1934 * tree-ssa-dse.c: Include langhooks.h
1935 (execute_simple_dse): Remove stores with zero size.
1937 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1940 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1943 2009-01-24 Julian Brown <julian@codesourcery.com>
1945 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1946 config/arm/linux-atomic.c.
1947 * config/arm/linux-atomic.c: New.
1949 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1951 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1952 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1953 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1955 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1958 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1961 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1963 PR tree-optimization/38953
1964 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1965 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1966 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1967 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1970 2009-01-24 Paul Brook <paul@codesourcery.com>
1972 * config/arm/neon.md (neon_type): Move to arm.md.
1973 (neon_mov<VSTRUCT>): Add neon_type attribute.
1974 * config/arm/arm.md (neon_type): Move to here.
1975 (conds): Add "unconditioal" and use as default for NEON insns.
1977 2009-01-24 Ben Elliston <bje@au.ibm.com>
1979 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1980 void *' warning from -Wc++-compat.
1981 * Makefile.in (dominance.o-warn): Remove.
1983 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1985 PR tree-optimization/38932
1986 * fold-const.c (fold_unary_ignore_overflow): New.
1987 * tree.h (fold_unary_ignore_overflow): Declare.
1988 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1989 * tree-ssa-sccvn.c (visit_reference_op_load,
1990 simplify_unary_expression): Likewise.
1992 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1994 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1995 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1996 regardless of their type.
1997 * c-common.c (handle_packed_attribute): Don't ignore packed on
1999 * c.opt (Wpacked-bitfield-compat): New warning option.
2000 * stor-layout.c (place_field): Warn if offset of a field changed.
2001 * doc/extend.texi (packed): Mention the ABI change.
2002 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2003 (Warning Options): Add it to the list.
2005 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2007 * c-opts.c (c_common_post_options): Fix a typo in comments.
2009 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2012 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2013 variables to static.
2014 * doc/invoke.texi (-fmerge-all-constants): Update description.
2016 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2019 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2020 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2022 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2024 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2026 (LOCAL_ALIGNMENT): Similarly.
2028 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2029 Joseph Myers <joseph@codesourcery.com>
2031 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2032 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2033 * config/arm/arm-tune.md: Regenerate.
2034 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2037 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2039 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2040 version number to five.
2042 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2045 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2046 * c-common.c (set_underlying_type): Likewise.
2047 (is_typedef_decl ): Likewise
2049 (set_underlying_type): Likewise.
2050 (is_typedef_type): Likewise.
2052 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2055 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2058 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2061 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2062 (LIBGCC_SPEC): Don't define.
2063 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2065 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2067 PR rtl-optimization/38879
2068 * alias.c (base_alias_check): Unaligned access via AND address can
2069 alias all surrounding object types except those with sizes equal
2070 or wider than the size of unaligned access.
2072 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2075 * c-decl.c: (clone_underlying_type): Move this ...
2076 * c-common.c (set_underlying_type): ... here.
2077 Also, make sure the function properly sets TYPE_STUB_DECL() on
2078 the newly created typedef variant type.
2079 (is_typedef_decl ): New entry point.
2080 * tree.h: Added a new member member_types_needing_access_check to
2081 struct tree_decl_non_common.
2082 (set_underlying_type): New entry point.
2083 (is_typedef_type): Likewise.
2085 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2087 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2088 Check whether two instructions have memory references that
2089 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2090 are helper functions for traversing.
2091 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2092 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2093 not to draw dependency edge for instructions with non-conflicting
2096 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2099 * longlong.h: Update copyright years. Use soft-fp license notice.
2100 Sync __clz_tab declaration with glibc.
2102 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2105 * doc/extend.texi (syscall_linkage): New.
2106 (version_id): Modify.
2108 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2109 Richard Guenther <rguenther@suse.de>
2111 PR tree-optimization/38747
2112 PR tree-optimization/38748
2113 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2114 conversion if the base address is an indirect reference and the
2115 aliasing sets could cause issues.
2117 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2119 * common.opt (fgraphite, fgraphite-identity): Add comment for
2120 explaining why these options are not documented.
2122 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2124 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2125 gimple_call_lhs is NULL.
2127 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2130 * emit-rtl.c (adjust_address_1): Make sure memref is never
2133 2009-01-20 Ben Elliston <bje@au.ibm.com>
2135 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2136 const qualifier from arg parameter. Remove unnecessary cast to char *.
2137 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2138 const qualifier from arg 2.
2140 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2142 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2144 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2147 * rtl.h (reinit_regs): New prototype.
2148 * regclass.c: Include ira.h.
2150 * Makefile.in (regclass.o): Add ira.h.
2151 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2153 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2156 * c-common.c (handle_aligned_attribute): Use
2157 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2158 default alignment value.
2160 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2162 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2163 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2165 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2166 __BIGGEST_ALIGNMENT__.
2168 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2170 2009-01-18 Richard Guenther <rguenther@suse.de>
2172 PR tree-optimization/38819
2173 * tree-flow.h (operation_could_trap_helper_p): Declare.
2174 * tree-eh.c (operation_could_trap_helper_p): Export.
2175 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2176 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2177 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2178 are about to insert a possibly trapping instruction and fail
2181 2009-01-18 Andreas Schwab <schwab@suse.de>
2183 * doc/install.texi (Configuration): Remove obsolete paragraph
2184 about use of --with-gnu-ld with --with-gnu-as.
2186 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2188 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2189 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2190 Follow spelling conventions.
2192 2009-01-18 Ben Elliston <bje@au.ibm.com>
2194 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2195 C++ warning about implicit conversion from void * to struct
2197 (bitmap_obstack_free): Likewise for bitmap_element *.
2198 * Makefile.in (bitmap.o-warn): Remove.
2200 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2202 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2204 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2205 Tobias Grosser <tobi.grosser@amd.com>
2207 * graphite.c (graphite_trans_scop_block): Do not block single
2210 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2212 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2213 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2214 test with assertion.
2216 2009-01-16 Richard Guenther <rguenther@suse.de>
2218 PR tree-optimization/38835
2220 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2221 and INT + PTR -> (INT)(PTR p+ INT) folding.
2222 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2224 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2227 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2228 the subreg from a lowpart subreg if it is also casting the value.
2230 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2231 Tobias Grosser <tobi.grosser@amd.com>
2233 * graphite.c (compare_prefix_loops): New.
2234 (build_scop_canonical_schedules): Rewritten.
2235 (graphite_transform_loops): Move build_scop_canonical_schedules
2236 after build_scop_iteration_domain.
2238 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2239 Tobias Grosser <tobi.grosser@amd.com>
2241 * graphite.c (add_conditions_to_domain): Add the loops to
2242 the dimension of the iteration domain. Do copy the domain
2243 only when it exists.
2244 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2245 (add_conditions_to_constraints): New.
2246 (can_generate_code_stmt, can_generate_code): Removed.
2247 (gloog): Do not call can_generate_code.
2248 (graphite_transform_loops): Call add_conditions_to_constraints
2249 after building the iteration domain.
2251 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2253 PR tree-optimization/38789
2254 * tree-ssa-threadedge.c
2255 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2256 __builtin_constant_p.
2258 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2260 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2261 examined before deleting them.
2263 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2265 * function.c (aggregate_value_p): Correctly extract the function
2266 type from CALL_EXPR_FN lookup.
2268 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2270 * config/picochip/picochip.c (picochip_override_options): Revert
2271 CFI asm flag disable commited previously.
2273 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2274 Tobias Grosser <tobi.grosser@amd.com>
2275 Jan Sjodin <jan.sjodin@amd.com>
2277 * graphite.c (scan_tree_for_params): On substractions negate
2278 all the coefficients of the term.
2279 (clast_to_gcc_expression_red): New. Handle reduction expressions
2280 of more than two operands.
2281 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2282 (get_vdef_before_scop): Handle also the case of default definitions.
2284 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2286 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2287 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2288 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2290 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2291 Joey Ye <joey.ye@intel.com>
2294 * cfgexpand.c (expand_stack_alignment): Don't update stack
2295 boundary nor check incoming stack boundary here.
2296 (gimple_expand_cfg): Update stack boundary and check incoming
2297 stack boundary here.
2299 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2301 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2303 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2305 PR rtl-optimization/38245
2306 * calls.c (expand_call): Add stack arguments to
2307 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2308 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2309 in regs and partially in memory or BLKmode arguments.
2310 (emit_library_call_value_1): Add stack arguments to
2311 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2312 ACCUMULATE_OUTGOING_ARGS).
2313 * dce.c: Include tm_p.h.
2314 (find_call_stack_args): New function.
2315 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2317 (mark_insn): Call find_call_stack_args for CALL_Ps.
2318 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2319 forwards. Allocate and free arg_stores bitmap if needed, pass it
2320 down to deletable_insn_p, don't mark stores set in arg_stores
2321 bitmap, clear the bitmap at the beginning of each bb.
2322 * Makefile.in (dce.o): Depend on $(TM_P_H).
2324 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2327 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2328 to make sure the insn is a conditional test (bug 22599). Reformat a
2331 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2334 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2335 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2336 (gloog): Do not call cleanup_tree_cfg.
2337 (graphite_transform_loops): Call cleanup_tree_cfg after all
2338 scops have been code generated.
2340 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2341 * doc/gty.texi (Invoking the garbage collector): Added new node
2342 and section documenting ggc_collect.
2344 2009-01-14 Richard Guenther <rguenther@suse.de>
2346 PR tree-optimization/38826
2348 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2349 initialization notes only if we actually emitted a warning.
2350 (intra_create_variable_infos): Add constraints for a result decl
2351 that is passed by hidden reference.
2352 (build_pred_graph): Mark all related variables non-direct on
2355 2009-01-14 Nick Clifton <nickc@redhat.com>
2357 * ira-conflicts.c: Include addresses.h for the definition of
2359 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2360 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2362 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2365 * Makefile.in (ira-lives.o): Add except.h.
2367 * ira-lives.c: Include except.h.
2368 (process_bb_node_lives): Process can_throw_internal.
2370 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2372 PR rtl-optimization/38774
2373 * combine.c (simplify_set): When undoing cc_use change, don't do
2374 PUT_CODE on the newly created comparison, but instead put back the
2377 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2379 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2380 values. Remove duplicate arm8 entry.
2382 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2384 PR tree-optimization/38786
2385 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2386 the SSA_NAME case of expand_scalar_variables_expr.
2387 Set the type of an expression to the type of its assign statement.
2388 (expand_scalar_variables_expr): Also gather the scalar computation
2389 used to index the memory access. Do not pass loop_p.
2390 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2391 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2392 the gimple_stmt_iterator where it inserts new code.
2394 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2395 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2397 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2399 * graphite.h (debug_value): Removed.
2400 * graphite.c (debug_value): Removed.
2402 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2404 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2405 ldrd/strd with two 32-bit instructions.
2407 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2409 * config/arm/arm.c (struct processors): Pass for speed down into
2410 cost helper functions.
2411 (const_ok_for_op): Handle COMPARE and inequality nodes.
2412 (arm_rtx_costs_1): Rewrite.
2413 (arm_size_rtx_costs): Update prototype.
2414 (arm_rtx_costs): Pass speed down to helper functions.
2415 (arm_slowmul_rtx_costs): Rework cost calculations.
2416 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2417 (arm_9e_rtx_costs): Likewise.
2419 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2421 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2422 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2423 (alpha_legitimize_address): Do not split local symbols wider than
2424 UNITS_PER_WORD into HIGH/LO_SUM parts.
2426 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2429 * gcc.c (process_command): Replace call to execvp with calls
2430 to pex_one and exit.
2432 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2435 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2436 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2437 variant for devices with 3-byte PC.
2438 (__tablejump_elpm__) : New.
2440 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2443 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2444 offsetof member-designator, handle it as `[0].'.
2446 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2448 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2449 function when not using named sections on targets with named sections
2450 if branch distance is less than 262132.
2452 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2454 * combine.c (combine_instructions): Recompute
2455 optimize_this_for_speed_p for each BB in the main combine loop.
2457 2009-01-12 Tomas Bily <tbily@suse.cz>
2460 * tree-loop-distribution.c (prop_phis): New function.
2461 (generate_builtin): Call prop_phis.
2462 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2464 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2466 PR tree-optimization/38807
2467 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2468 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2470 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2472 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2473 subreg of op0 to the original op0.
2475 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2477 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2479 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2482 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2483 starting with digits.
2485 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2488 * config/arm/arm.c (arm_is_long_call_p): Don't call
2489 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2491 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2493 * regrename.c (regrename_optimize): Fix dumping.
2494 (find_oldest_value_reg): Preserve REG_POINTER.
2495 (copy_hardreg_forward_1): Likewise.
2497 2009-01-09 Diego Novillo <dnovillo@google.com>
2499 * gimple.h (struct gimple_statement_base) <uid>: Document
2500 the restrictions on its use.
2502 (gimple_set_uid): Tidy.
2504 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2506 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2507 zero guard even if align_bytes != 0 and count is smaller than
2510 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2512 PR rtl-optimization/38495
2513 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2514 (add_range_and_copies_from_move_list): Print all added ranges.
2515 Add ranges to memory optimized destination.
2517 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2521 * config/i386/i386.c (override_options): Reject
2522 -mstringop-strategy=rep_8byte with -m32.
2523 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2524 to 1. Do count comparison against epilogue_size_needed at compile
2525 time even when count_exp was constant forced into register. For
2526 size_needed don't jump to epilogue, instead just avoid aligning
2527 and invoke the body algorithm. If need_zero_guard, add zero guard
2528 even if count is non-zero, but smaller than size_needed + number of
2529 bytes that could be stored for alignment.
2530 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2531 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2532 but smaller than size_needed + number of bytes that could be stored
2533 for alignment. Compare size_needed with epilogue_size_needed instead
2534 of desired_align - align, don't adjust size_needed, pass
2535 epilogue_size_needed to the epilogue expanders.
2538 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2540 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2542 * pa.c (last_address): Change to unsigned.
2543 (update_total_code_bytes): Change argument to unsigned. Don't
2544 check if insn addresses are set.
2545 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2546 addresses are not set.
2547 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2549 2009-01-09 Nick Clifton <nickc@redhat.com>
2551 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2552 DECL_DECLARED_INLINE_P.
2554 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2557 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2558 GET_MODE (op0) in operand_subword_force calls.
2561 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2562 fold_convert arg0 operands to TREE_TYPE (op0) first.
2564 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2566 * params.def (ira-max-conflict-table-size): Decrease default value
2569 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2571 PR tree-optimization/37031
2572 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2574 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2575 allocate it using gc instead of heap, use VEC_quick_push instead of
2577 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2578 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2579 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2580 allocated vector from heap allocated.
2581 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2582 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2583 vector only after perfect_loop_nest_depth call.
2585 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2586 Jan Sjodin <jan.sjodin@amd.com>
2588 PR tree-optimization/38559
2589 * graphite.c (debug_value, copy_constraint,
2590 swap_constraint_variables, scale_constraint_variable, ): New.
2591 (get_lower_bound, get_upper_bound): Removed.
2592 (graphite_trans_bb_strip_mine): Clean up this code that works
2593 only for constant number of iterations. Fully copy upper and
2594 lower bound constraints, not only the constant part of them.
2595 * graphite.h (debug_value): Declared.
2597 2009-01-08 Ira Rosen <irar@il.ibm.com>
2599 PR tree-optimization/37194
2600 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2601 Don't add the cost of cost model guard in prologue to scalar
2602 outside cost in case of known number of iterations.
2604 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2605 Alan Modra <amodra@bigpond.net.au>
2607 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2608 non-word-aligned REG+CONST addressing.
2610 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2613 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2614 free_after_compilation when outputting a thunk.
2615 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2616 Do not call free_after_compilation here.
2618 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2620 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2621 (ix86_valid_target_attribute_inner_p): Ditto.
2623 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2625 PR tree-optimization/38492
2626 PR tree-optimization/38498
2627 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2628 * tree-chrec.h (scev_is_linear_expression): Declared.
2629 * graphite.c (graphite_cannot_represent_loop_niter): New.
2630 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2631 (graphite_loop_normal_form): Use gcc_assert.
2632 (scan_tree_for_params): Use CASE_CONVERT.
2633 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2634 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2635 Use gcc_assert. Discard scops that contain unhandled cases.
2636 (build_scop_conditions): Return a boolean status for unhandled cases.
2637 (strip_mine_profitable_p): Print the loop number, not its depth.
2638 (is_interchange_valid): Pass the depth of the loop nest, don't
2639 recompute it wrongly.
2640 (graphite_trans_bb_block): Same.
2641 (graphite_trans_bb_block): Print tentative of loop blocking.
2642 (graphite_trans_scop_block): Do not print that the loop has been
2644 (graphite_transform_loops): Do not handle scops that contain condition
2647 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2649 AVX Programming Reference (December, 2008)
2650 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2651 (_mm256_stream_pd): Likewise.
2652 (_mm256_stream_ps): Likewise.
2654 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2655 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2656 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2657 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2658 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2659 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2660 (ix86_expand_special_args_builtin): Likewise.
2662 * config/i386/sse.md (AVXMODEDI): New.
2663 (avx_movnt<mode>): Likewise.
2664 (avx_movnt<mode>): Likewise.
2665 (<sse>_movnt<mode>): Remove AVX support.
2666 (sse2_movntv2di): Likewise.
2668 2009-01-07 Richard Guenther <rguenther@suse.de>
2671 * fold-const.c (extract_muldiv): Remove obsolete comment.
2672 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2673 to PLUS_EXPR canonicalization for the canonicalization.
2675 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2677 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2678 hosted cross-compilers generating less efficient code.
2680 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2682 * function.h (rtl_data): Add a dbr_scheduled_p field.
2683 * reorg.c (dbr_schedule): Set it.
2684 (gate_handle_delay_slots): Check it.
2685 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2686 (mips_reorg): Check flag_delayed_branch instead of
2687 mips_base_delayed_branch.
2688 (mips_override_options): Don't set mips_base_delayed_branch
2689 or flag_delayed_branch.
2691 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2693 PR rtl-optimization/38426.
2694 * ira.c (ira): Set current_function_is_leaf earlier.
2696 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2698 PR rtl-optimization/38722
2699 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2700 too early, only set a flag and modify after last possible
2703 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2706 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2707 * real.c (decimal_single_format): Correct values of emin and emax.
2708 (decimal_double_format): Ditto.
2709 (decimal_quad_format): Ditto.
2710 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2711 computation of DECnn_MIN and DECnn_MAX for corrected values of
2712 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2713 __DECnn_MIN__, and adjust its computation for the corrected value
2716 2009-01-06 Jan Hubicka <jh@suse.cz>
2719 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2721 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2723 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2724 Add Robert Clark to the list of testers.
2726 2009-01-06 Jan Hubicka <jh@suse.cz>
2727 Kai Tietz <kai.tietz@onevision.com>
2729 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2730 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2732 2009-01-06 Jan Hubicka <jh@suse.cz>
2733 Kai Tietz <kai.tietz@onevision.com>
2735 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2737 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2738 (ix86_nsaved_regs): Count only general purpose regs.
2739 (ix86_nsaved_sseregs): New.
2740 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2741 to 16 for w64; compute padding and size of sse reg save area.
2742 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2743 general purpose regs.
2744 (ix86_emit_save_sse_regs_using_mov): New.
2745 (ix86_expand_prologue): Save SSE regs if needed.
2746 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2747 (ix86_emit_restore_sse_regs_using_mov): New.
2748 (ix86_expand_epilogue): Save SSE regs if needed.
2750 2009-01-06 Jan Hubicka <jh@suse.cz>
2751 Kai Tietz <kai.tietz@onevision.com>
2753 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2754 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2755 functions when accumulate outgoing args is off.
2757 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2760 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2761 before using pseudos_have_intersected_live_ranges_p.
2763 * ira-int.h (ira_assert): Always define.
2765 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2767 AVX Programming Reference (December, 2008)
2768 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2769 (_mm256_permute2_pd): Likewise.
2770 (_mm_permute2_ps): Likewise.
2771 (_mm256_permute2_ps): Likewise.
2772 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2773 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2775 * config/i386/i386.c (ix86_builtins): Remove
2776 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2777 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2778 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2779 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2780 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2781 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2782 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2783 __builtin_ia32_vpermil2ps256.
2784 (ix86_init_mmx_sse_builtins): Updated.
2785 (ix86_expand_args_builtin): Likewise.
2787 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2789 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2790 long absolute calls when generating PA 2.0 code.
2792 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2794 PR rtl-optimization/38583
2795 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2797 * params.def (ira-max-conflict-table-size): New.
2799 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2801 * ira.h (ira_conflicts_p): New external definition.
2803 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2804 table. Report this. Return result of building.
2805 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2806 building conflict table.
2808 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2809 (ira_color): Use ira_conflicts_p.
2811 * global.c: Include ira.h.
2812 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2815 * Makefile.in (global.o): Add ira.h.
2817 * ira-build.c (mark_all_loops_for_removal,
2818 propagate_some_info_from_allocno): New.
2819 (remove_unnecessary_allocnos): Call
2820 propagate_some_info_from_allocno.
2821 (remove_low_level_allocnos): New.
2822 (remove_unnecessary_regions): Add parameter. Call
2823 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2824 parameter to remove_unnecessary_regions.
2825 (ira_build): Remove all regions but root if the conflict table was
2826 not built. Update conflict hard regs for allocnos crossing calls.
2828 * ira.c (ira_conflicts_p): New global.
2829 (ira): Define and use ira_conflicts_p.
2831 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2832 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2833 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2835 2009-01-06 Ben Elliston <bje@au.ibm.com>
2837 * gengtype-lex.l (YY_NO_INPUT): Define.
2839 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2842 * c-common.c (handle_vector_size_attribute): Also reject
2845 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2847 PR tree-optimization/38492
2848 * graphite.c (rename_map_elt, debug_rename_elt,
2849 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2850 rename_map_elt_info, eq_rename_map_elts,
2851 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2852 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2853 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2854 (sese_build_livein_liveouts): New.
2855 (new_sese, free_sese): New.
2856 (new_scop): Call new_sese.
2857 (free_scop): Call free_sese.
2858 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2859 (register_old_new_names): Renamed register_old_and_new_names.
2860 (register_scop_liveout_renames, add_loop_exit_phis,
2861 insert_loop_close_phis, struct igp,
2862 default_liveout_before_guard, add_guard_exit_phis,
2863 insert_guard_phis, copy_renames): New.
2864 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2865 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2866 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2867 (scop_adjust_phis_for_liveouts): New.
2868 (gloog): Call scop_adjust_phis_for_liveouts.
2870 * graphite.h (struct sese): Documented. Added fields liveout,
2872 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2873 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2874 (struct scop): Added field liveout_renames.
2875 (SCOP_LIVEOUT_RENAMES): New.
2877 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2879 PR tree-optimization/38510
2880 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2881 (translate_clast): Call recompute_all_dominators before
2883 (gloog): Call recompute_all_dominators before graphite_verify.
2885 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2886 Jan Sjodin <jan.sjodin@amd.com>
2888 PR tree-optimization/38500
2889 * graphite.c (create_sese_edges): Call fix_loop_structure after
2892 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2894 * config.gcc: Add m32r*-*-rtems*.
2895 * config/m32r/rtems.h: New file.
2897 2009-01-05 Ben Elliston <bje@au.ibm.com>
2899 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2900 (.po.pox): Likewise.
2901 (po/gcc.pot): Likewise.
2903 2009-01-04 David S. Miller <davem@davemloft.net>
2905 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2906 (STARTING_FRAME_OFFSET): Always set to zero.
2908 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2910 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2911 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2912 fixed-point types, and vectors of the same.
2914 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2916 * config/mips/sync.md (*mb_barrier): Rename to...
2917 (*memory_barrier): ...this.
2919 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2921 * doc/extend.texi (Function Attributes): Move @cindex after @item
2922 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2923 and put in alphabetical order. Fix 'target' name and put in order.
2924 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2927 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2929 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2930 (memory_barrier): Expand as unspec instead of unspec_volatile.
2931 Remove mem:BLK from insn operands. Use Pmode scratch register.
2932 (*memory_barrier): Define as unspec instead of unspec_volatile.
2933 Use (match_dup 0) as input operand.
2935 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2936 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2937 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2938 scratch register. Remove operand 1.
2939 (*stbar): Define as unspec instead of unspec_volatile.
2940 Use (match_dup 0) as input operand, remove (const_int 8).
2941 (*membar): Define as unspec instead of unspec_volatile.
2942 Use (match_dup 0) as input operand, remove input operand 2.
2944 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2945 (memory_barrier): Expand as unspec instead of unspec_volatile.
2946 Remove mem:BLK from insn operands. Use Pmode scratch register.
2947 (*memory_barrier): Define as unspec instead of unspec_volatile.
2948 Use (match_dup 0) as input operand.
2950 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2951 Remove mem:BLK from insn operands. Use Pmode scratch register.
2952 Set volatile flag on operand 0.
2953 (*memory_barrier): New insn pattern.
2955 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2957 (*memory_barrier): Use (match_dup 0) as input operand.
2959 * config/mips/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 (*mb_internal): New insn pattern.
2964 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2966 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2969 * function.c (struct temp_slot): Move to the section of the file
2970 that deals with temp slots. Remove field 'address'.
2971 (temp_slot_address_table): New hash table of address -> temp slot.
2972 (struct temp_slot_address_entry): New struct, items for the table.
2973 (temp_slot_address_compute_hash, temp_slot_address_hash,
2974 temp_slot_address_eq, insert_temp_slot_address): Support functions
2976 (find_temp_slot_from_address): Rewrite to use the new hash table.
2977 (remove_unused_temp_slot_addresses): Remove addresses of temp
2978 slots that have been made available.
2979 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2980 worker function for remove_unused_temp_slot_addresses.
2981 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2982 Add the temp slot address to the address -> temp slot map.
2983 (update_temp_slot_address): Update via insert_temp_slot_address.
2984 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2985 (pop_temp_slots): Likewise.
2986 (init_temp_slots): Allocate the address -> temp slot map, or empty
2987 the map if it is already allocated.
2988 (prepare_function_start): Initialize temp slot processing.
2990 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2993 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2994 Calculate the size of all stack vars assuming no packing of stack
2995 vars will happen, replacing a quadratic algorithm with a linear one.
2997 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3000 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3003 2009-01-03 Diego Novillo <dnovillo@google.com>
3005 * doc/contrib.texi: Update contributions.
3007 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3010 * builtins.c (fold_builtin_memory_op): Give up if either operand
3011 is volatile. Set srctype or desttype to non-qualified version
3015 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3018 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3020 PR rtl-optimization/35805
3021 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3022 problem if fast dce is able to remove any instructions.
3023 * dce.c (dce_process_block): Fix dump message.
3025 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3028 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3030 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3033 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3034 * tree-pretty-print.c (op_code_prio): New function.
3035 (op_prio): No longer static. Use op_code_prio.
3036 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3037 Use op_prio and op_code_prio to determine if () should be
3038 printed around operand(s) or not.
3040 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3041 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3042 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3043 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3044 pp_character instead of pp_string for single letter printing.
3046 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3048 * doc/extend.texi: Fix '#pragma GCC option' typo.
3050 2009-01-02 Richard Guenther <rguenther@suse.de>
3052 * doc/install.texi (--enable-checking): Mention different
3054 (--enable-stage1-checking): Document.
3056 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3059 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3060 case to be an error.
3062 2009-01-02 Ben Elliston <bje@au.ibm.com>
3064 * config/fp-bit.h (pack_d): Constify argument.
3065 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3066 (isnan): Constify argument.
3070 (_fpadd_parts): Constify return type.
3071 (_fpmul_parts): Likewise.
3072 (_fpdiv_parts): Likewise.
3074 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3077 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3078 warn about overwriting initializer with side-effects or
3079 -Woverride-init if !IMPLICIT.
3080 (output_init_element): Likewise. Pass IMPLICIT down to
3082 (process_init_element): Add IMPLICIT argument. Pass it down
3083 to output_init_element.
3084 (push_init_element, pop_init_level, set_designator): Adjust
3085 process_init_element callers.
3086 (set_nonincremental_init, set_nonincremental_init_from_string):
3087 Adjust add_pending_init callers.
3088 (output_pending_init_elements): Adjust output_init_element callers.
3089 * c-tree.h (process_init_element): Adjust prototype.
3090 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3091 process_init_element callers.