1 2009-03-17 Jakub Jelinek <jakub@redhat.com>
4 * dwarf2out.c (gen_inlined_enumeration_type_die,
5 gen_inlined_structure_type_die, gen_inlined_union_type_die,
6 gen_tagged_type_instantiation_die): Removed.
7 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
10 2009-03-17 Janis Johnson <janis187@us.ibm.com>
13 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
15 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
16 (check-parallel-%): Ditto.
17 (check-consistency): Ditto.
19 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
21 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
22 local variable rhs by NULL_TREE.
24 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
27 * doc/extend.texi: Correct register behavior for regparm on
30 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
33 * config/i386/i386.c (ix86_function_regparm): Rewrite for
36 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
39 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
40 for ms->sysv ABI calls only in 64bit mode.
42 * config/i386/i386.md (untyped_call): Support 32bit.
44 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
46 * doc/extend.texi: Replace x86_65 with x86_64.
48 2009-03-16 Jakub Jelinek <jakub@redhat.com>
50 PR tree-optimization/39455
51 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
52 mismatches for POINTER_TYPE_P (type).
53 (number_of_iterations_le): Likewise.
55 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
57 * config/picochip/picochip.c: Removed profiling support.
58 * config/picochip/picochip.md: Removed profiling instruction.
59 * config/picochip/picochip.h: Removed profiling builtin.
61 2009-03-16 Joseph Myers <joseph@codesourcery.com>
63 * doc/install.texi (--with-host-libstdcxx): Document.
65 2009-03-14 Anatoly Sokolov <aesok@post.ru>
68 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
69 generate a warning if the function name does not begin with
70 "__vector" and the function has either the 'signal' or 'interrupt'
71 attribute, from here to ...
72 (avr_declare_function_name): ...here. New function.
73 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
74 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
76 2009-03-14 Jakub Jelinek <jakub@redhat.com>
79 * cse.c (fold_rtx): Don't modify original const_arg1 when
80 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
81 separate variable instead.
82 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
83 from out of range shift counts.
84 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
86 2008-03-13 Catherine Moore <clm@codesourcery.com>
88 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
89 diagnostic.h with $(DIAGNOSTIC_H).
91 2008-03-12 Jakub Jelinek <jakub@redhat.com>
94 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
96 * config/i386/sync.md (sync_compare_and_swap<mode>,
97 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
98 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
100 (sync_double_compare_and_swapdi_pic,
101 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
102 cmpxchg8b_pic_memory_operand instead of just memory_operand.
104 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
107 * config/i386/i386.c (ix86_expand_push): Don't set memory
110 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
113 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
114 (avx_addsubv4df3): Likewise.
115 (*avx_addsubv4sf3): Likewise.
116 (sse3_addsubv4sf3): Likewise.
118 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
121 * config/i386/i386.md: Compare REGNO on the new peephole2
124 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
127 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
128 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
129 registers for allocnos created from user-defined variables.
131 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
134 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
135 of non-integer mode as well.
137 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
139 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
140 for functions for which the parameter types are unknown.
142 2009-03-11 Jakub Jelinek <jakub@redhat.com>
145 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
147 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
148 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
149 * config/i386/i386.c (ix86_local_alignment): For
150 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
151 long long variables on the stack to avoid dynamic realignment.
152 Allow the first argument to be a decl rather than type.
153 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
155 2009-03-11 Nick Clifton <nickc@redhat.com>
158 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
160 Add description to mno-lsim option.
161 * config/mcore/mcore.h: Remove comment about deprecated m4align
163 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
164 * doc/invoke.texi: Add description of mno-lsim and
165 mstack-increment options.
167 * config/fr30/fr30.opt: Document the -mno-lsim option.
168 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
169 and -mno-lsim options.
171 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
173 * fold-const.c (fold_comparison): Only call fold_inf_compare
174 if the mode supports infinities.
176 2009-03-11 Jason Merrill <jason@redhat.com>
179 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
180 end already did. Notice GIMPLE_CALL modifications of the result.
181 Don't copy debug information from an ignored decl or a decl from
184 2009-03-10 Richard Guenther <rguenther@suse.de>
185 Nathan Froyd <froydnj@codesourcery.com>
188 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
190 (__divMODE3): Likewise.
192 2009-03-09 Jakub Jelinek <jakub@redhat.com>
194 PR tree-optimization/39394
195 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
196 DECL_SIZE_UNIT of variable length FIELD_DECLs.
198 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
200 * recog.c (verfiy_changes): Disallow renaming of hard regs in
201 inline asms for register asm ("") declarations.
203 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
205 * fold-const.c (fold_unary): Fix comment.
207 2009-03-07 Jan Hubicka <jh@suse.cz>
210 * tree-inline.c (setup_one_parameter): Do replacement of const argument
211 by constant in SSA form.
213 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
216 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
217 determine alignment passed to assign_stack_local.
218 (assign_parms_unsplit_complex): Likewise.
219 * except.c (sjlj_build_landing_pads): Likewise.
221 2009-03-06 Jakub Jelinek <jakub@redhat.com>
224 * tree-flow.h (add_referenced_var): Return bool instead of void.
225 * tree-dfa.c (add_referenced_var): Return result of
226 referenced_var_check_and_insert call.
227 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
228 of referenced_var_check_and_insert.
231 * dwarf2out.c (add_abstract_origin_attribute): Return
233 (gen_variable_die): Emit DW_AT_location on abstract static variable's
234 DIE, don't emit it if abstract origin already has it.
235 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
236 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
238 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
240 * genpreds.c: (needs_variable): Fix parentheses at variable name
242 (write_tm_constrs_h): Indent generated code.
244 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
246 * doc/extend.texi (Function Attributes): Add documentation
249 2009-03-06 Jakub Jelinek <jakub@redhat.com>
252 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
253 take locus from its DECL_SOURCE_LOCATION instead of input_location.
255 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
257 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
260 2009-03-05 Jakub Jelinek <jakub@redhat.com>
263 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
264 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
266 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
268 * config/i386/i386.md (R8_REG, R9_REG): New constants.
269 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
270 constants instead of magic numbers.
271 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
273 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
274 (x86_64_ms_abi_int_parameter_registers): Ditto.
275 (x86_64_int_return_registers): Ditto.
276 (ix86_maybe_switch_abi): Ditto.
277 (ix86_expand_call): Ditto for clobbered_registers array.
278 (ix86_hard_regno_mode_ok): Ditto.
279 (x86_extended_QIreg_mentioned_p): Ditto.
281 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
283 PR tree-optimization/39349
284 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
286 * combine.c (gen_lowpart_for_combine): Use omode when generating
289 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
291 PR rtl-optimization/39235
292 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
294 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
296 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
298 2009-03-04 Richard Guenther <rguenther@suse.de>
300 PR tree-optimization/39362
301 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
302 that occur in abnormal PHIs should be varying.
304 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
306 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
308 (simple_iv): Take loop as an argument instead of statement.
309 * tree-scalar-evolution.h (simple_iv): Declaration changed.
310 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
312 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
314 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
315 * matrix-reorg.c (analyze_transpose): Ditto.
316 * tree-data-ref.c (dr_analyze_innermost): Ditto.
317 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
318 * tree-predcom.c (ref_at_iteration): Ditto.
319 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
321 2009-03-04 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/39358
324 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
325 escaped_id and callused_id.
326 (solve_graph): Likewise.
328 2009-03-04 Richard Guenther <rguenther@suse.de>
330 PR tree-optimization/39339
331 * tree-sra.c (try_instantiate_multiple_fields): Make it
332 no longer ICE on the above.
334 2009-03-03 Joseph Myers <joseph@codesourcery.com>
336 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
337 that fits within Pmode.
339 2009-03-03 Steve Ellcey <sje@cup.hp.com>
342 * tm.texi (LIBCALL_VALUE): Update description.
344 2009-03-03 Steve Ellcey <sje@cup.hp.com>
347 * doc/extend.texi (section): Update description.
349 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
352 * tree-inline.c (remapped_type): New.
353 (can_be_nonlocal): Call remapped_type instead of remap_type.
355 2009-03-03 Jakub Jelinek <jakub@redhat.com>
358 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
359 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
361 2009-03-03 Richard Guenther <rguenther@suse.de>
364 * tree.c (tree_nonartificial_location): New function.
365 * tree.h (tree_nonartificial_location): Declare.
366 * builtins.c (expand_builtin_memory_chk): Provide location
367 of the call location for artificial function pieces.
368 (maybe_emit_chk_warning): Likewise.
369 (maybe_emit_sprintf_chk_warning): Likewise.
370 (maybe_emit_free_warning): Likewise.
371 * expr.c (expand_expr_real_1): Likewise.
373 2009-03-03 Jakub Jelinek <jakub@redhat.com>
375 PR tree-optimization/39343
376 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
377 COMPONENT_REF t has ARRAY_TYPE.
379 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
382 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
383 when the type precision of the induction variable should be
384 larger than the type precision of nit.
385 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
386 * graphite.c (graphite_loop_normal_form): Same.
387 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
389 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
391 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
392 (*call_1_rex64_ms_sysv): Use named constants instead of magic
393 numbers to describe clobbered registers.
394 (*call_value_0_rex64_ms_sysv): Ditto.
395 * config/i386/mmx.md (mmx_emms): Ditto.
398 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
400 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
403 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
405 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
406 (spu_section_type_flags): New function.
408 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
410 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
411 reg_class_contents of FLOAT_REGS into a temporary.
413 2009-03-02 Richard Guenther <rguenther@suse.de>
414 Ira Rosen <irar@il.ibm.com>
416 PR tree-optimization/39318
417 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
418 information to the vectorized statement.
420 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
422 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
423 variable. Use defined names instead of magic constants for REX SSE
426 2009-03-01 Richard Guenther <rguenther@suse.de>
428 PR tree-optimization/39331
429 * omp-low.c (lower_send_shared_vars): Do not receive new
430 values for the reference of DECL_BY_REFERENCE parms or results.
432 2009-03-01 Jan Hubicka <jh@suse.cz>
435 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
436 BLOCK_NONLOCALIZED_VAR): New macros.
437 (tree_block): Add nonlocalized_vars.
438 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
439 gen_decl_die): Add origin argument. Allow generation of die with
441 (gen_member_die, gen_type_die_with_usage, force_decl_die,
442 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
444 (gen_block_die): Fix checking for unused blocks.
445 (process_scope_var): Break out from .... ; work with origins only.
446 (decls_for_scope) ... here; process nonlocalized list.
447 (dwarf2out_ignore_block): Look for nonlocalized vars.
448 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
450 (dump_scope_block): Dump them.
451 * tree-inline.c (remap_decls): Handle nonlocalized vars.
452 (remap_block): Likewise.
453 (can_be_nonlocal): New predicate.
454 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
456 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
458 * configure: Regenerate.
460 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
462 * optc-gen.awk: No need to duplicate option flags twice.
463 Reuse help texts for duplicate options which do not have
466 * gcc.c (display_help): Document --version.
468 * gcc.c (main): If print_help_list and verbose_flag, ensure
469 driver output comes before subprocess output.
471 * optc-gen.awk: Assign all remaining fields to help string,
472 space-separated, for multi-line help in *.opt.
474 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
475 -Wno-pedantic-ms-format is for MinGW targets only.
477 * doc/options.texi (Option file format): Fix bad indentation,
478 restoring dropped sentence.
480 2009-02-28 Jan Hubicka <jh@suse.cz>
482 * tree-inline.c (tree_function_versioning): Output debug info.
484 2009-02-28 Jan Hubicka <jh@suse.cz>
487 * tree-inline.c (setup_one_parameter): Do not copy propagate
488 arguments when not optimizing.
490 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
493 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
494 (avx_addsubv4df3): Likewise.
495 (*avx_addsubv4sf3): Likewise.
496 (sse3_addsubv4sf3): Likewise.
497 (*avx_addsubv2df3): Likewise.
498 (sse3_addsubv2df3): Likewise.
499 (avx_unpckhps256): Correct item selectors.
500 (avx_unpcklps256): Likewise.
501 (avx_unpckhpd256): Likewise.
502 (avx_unpcklpd256): Likewise.
504 2009-02-28 Jan Hubicka <jh@suse.cz>
506 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
508 (copy_arguments_for_versioning): If var is declared don't declare it.
509 (tree_function_versioning): First setup substitutions and then copy
512 2009-02-27 Jan Hubicka <jh@suse.cz>
515 * cgraph.h (varpool_output_debug_info): Remove.
516 * cgraphunit.c (varpool_output_debug_info): Remove.
517 * dwarf2out.c (deferred_locations_struct): New struct
518 (deferred_locations): New type.
519 (deferred_locations_list): New static var.
520 (deffer_location): New function.
521 (gen_variable_die): Use it.
522 (decls_for_scope): Output info on local static vars.
523 (dwarf2out_finish): Process deferred locations.
524 * varpool.c (varpool_output_debug_info): Remove.
526 2009-02-27 Jan Hubicka <jh@suse.cz>
529 * tree.h (TREE_PROTECTED): Fix comment.
530 (BLOCK_HANDLER_BLOCK): Remove.
531 (struct tree_block): Remove handler_block add body_block.
532 (inlined_function_outer_scope_p): New.
533 (is_body_block): Remove.
534 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
535 * dwarf2out.c (is_inlined_entry_point): Remove.
536 (add_high_low_attributes): Use inlined_function_outer_scope_p.
537 (gen_block_die): Use is_inlined_entry_point check. Remove body block
539 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
540 * gimplify.c (gimplify_expr): Gimplify body blocks.
541 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
542 block with multiple subblocks.
543 (dump_scope_block): Prettier output; dump more flags and info.
544 (dump_scope_blocks): New.
545 (remove_unused_locals): Use dump_scope_blocks.
546 * tree-flow.h (dump_scope_blocks): Declare.
547 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
548 * stmt.c (is_body_block): Remove.
549 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
550 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
552 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
555 * graphite.c (graphite_loop_normal_form): Do not call
556 number_of_iterations_exit from a gcc_assert.
558 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
560 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
561 jumps if COND is NULL.
562 (find_cond_jump): New function.
563 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
564 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
566 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
568 * config/alpha/alpha.h (alpha_expand_mov): Return false if
569 force_const_mem returns NULL_RTX.
571 2009-02-26 Jan Hubicka <jh@suse.cz>
574 * cgraph.h (varpool_output_debug_info): Remove.
575 * cgraphunit.c (varpool_output_debug_info): Remove.
576 * dwarf2out.c (deferred_locations_struct): New struct
577 (deferred_locations): New type.
578 (deferred_locations_list): New static var.
579 (deffer_location): New function.
580 (gen_variable_die): Use it.
581 (decls_for_scope): Output info on local static vars.
582 (dwarf2out_finish): Process deferred locations.
583 * varpool.c (varpool_output_debug_info): Remove.
585 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
587 PR rtl-optimization/39241
588 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
589 to subreg_offset_representable_p.
591 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
593 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
594 execute function prototype. Get f and nregs from max_reg_num
595 and get_insns. Remove the first backward pass as it's dead,
596 guard the forward pass by flag_expensive_optimizations.
597 (rest_of_handle_regmove): Delete.
598 (pass_regmove): Replace it with regmove_optimize.
600 2009-02-25 Martin Jambor <mjambor@suse.cz>
602 PR tree-optimization/39259
603 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
604 calls_alloca function flags.
605 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
608 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
610 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
611 flags_set_1_rtx, flags_set_1_set): Delete.
612 (regmove_optimize): Do not call mark_flags_life_zones.
614 2009-02-24 Julian Brown <julian@codesourcery.com>
617 * config/arm/arm.c (require_pic_register): Only set
618 cfun->machine->pic_reg once per function.
620 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
622 * doc/invoke.texi (Link Options): Document an easier way to pass
623 options that take arguments to the GNU linker using -Xlinker and -Wl.
625 2009-02-24 Steve Ellcey <sje@cup.hp.com>
628 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
630 2009-02-24 Richard Guenther <rguenther@suse.de>
633 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
635 2009-02-24 Richard Guenther <rguenther@suse.de>
636 Zdenek Dvorak <ook@ucw.cz>
638 PR tree-optimization/39233
639 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
640 from converting them to a generic type.
642 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
644 PR tree-optimization/39260
645 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
646 contains a condition with a real type.
647 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
649 2009-02-23 Jason Merrill <jason@redhat.com>
652 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
653 narrowing_initializer_constant_valid_p.
654 (narrowing_initializer_constant_valid_p): Don't return
655 null_pointer_node for adding a pointer to itself.
657 2009-02-23 Jan Hubicka <jh@suse.cz>
660 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
663 2009-02-23 Jan Hubicka <jh@suse.cz>
665 PR tree-optimization/37709
666 * tree.c (block_ultimate_origin): Move here from dwarf2out.
667 * tree.h (block_ultimate_origin): Declare.
668 * dwarf2out.c (block_ultimate_origin): Move to tree.c
669 * tree-ssa-live.c (remove_unused_scope_block_p):
670 Eliminate blocks containig no instructions nor live variables nor
672 (dump_scope_block): New function.
673 (remove_unused_locals): Enable removal of dead blocks by default;
674 enable dumping at TDF_DETAILS.
676 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
678 * config/i386/i386.c (classify_argument): Don't allow COImode
680 (function_arg_advance_32): Don't allow OImode.
681 (function_arg_32): Likewise.
682 (function_value_32): Likewise.
683 (return_in_memory_32): Likewise.
684 (function_arg_64): Remove OImode comment.
686 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
689 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
690 ix86_expand_vector_set for V4DImode in 64bit mode only.
691 (ix86_expand_vector_init_one_var): Likewise.
693 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
695 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
697 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
700 * loop-iv.c: Revert last change.
701 * emit-rtl.c: Likewise.
703 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
706 * config/i386/i386.c (type_natural_mode): Remove an extra
707 space in the warning message.
708 (function_value_32): Handle 32-byte vector modes.
709 (return_in_memory_32): Likewise.
711 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
713 * loop-iv.c (truncate_value): New function.
714 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
716 (lowpart_subreg): Move to...
717 * emit-rtl.c: ...here.
719 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
721 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
722 accidental and undocumented change at revision 140860.
724 2009-02-21 Joseph Myers <joseph@codesourcery.com>
726 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
727 take gimple_seq * arguments.
728 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
729 types_compatible_p langhook.
731 2009-02-20 Mark Mitchell <mark@codesourcery.com>
732 Joseph Myers <joseph@codesourcery.com>
734 * config/arm/arm.c (arm_builtin_va_list): New function.
735 (arm_expand_builtin_va_start): Likewise.
736 (arm_gimplify_va_arg_expr): Likewise.
737 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
738 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
739 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
740 (va_list_type): New variable.
741 (arm_mangle_type): Mangle va_list_type appropriately.
743 2009-02-20 Jakub Jelinek <jakub@redhat.com>
746 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
747 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
748 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
749 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
750 parameter to 1000 for -O1 by default.
751 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
753 * loop-invariant.c: Include params.h.
754 (move_loop_invariants): Don't call move_single_loop_invariants on
757 2009-02-20 Jaka Mocnik <jaka@xlab.si>
759 * calls.c (emit_library_call_value_1): Use slot_offset instead of
760 offset when calculating bounds for indexing stack_usage_map. Fixes
761 a buffer overflow with certain target setups.
763 2009-02-20 Jakub Jelinek <jakub@redhat.com>
766 * calls.c (expand_call): Clear try_tail_call if caller and callee
767 disagree in promotion of function return value.
769 2009-02-19 Jakub Jelinek <jakub@redhat.com>
772 * c-common.c (c_determine_visibility): If visibility changed and
773 DECL_RTL has been already set, call make_decl_rtl to update symbol
776 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
779 * varasm.c (assemble_variable): Don't check DECL_NAME when
780 globalizing a variable.
782 2009-02-19 Joseph Myers <joseph@codesourcery.com>
785 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
786 expression before any __builtin_trap call.
787 * c-typeck.c (build_function_call): Convert and check function
788 arguments before generating a call to a trap. Evaluate the
789 function arguments before the trap.
791 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
794 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
795 (UNSPEC_FXAM_MEM): New unspec.
796 (fxam<mode>2_i387_with_temp): New insn and split pattern.
797 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
798 memory using fxam<mode>2_i387_with_temp to remove excess precision.
800 2009-02-19 Richard Guenther <rguenther@suse.de>
802 PR tree-optimization/39207
803 PR tree-optimization/39074
804 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
805 storedanything_tree): New.
806 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
807 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
808 (build_succ_graph): Add edges from STOREDANYTHING to all
810 (init_base_vars): Initialize STOREDANYTHING.
811 (compute_points_to_sets): Free substitution info after
812 building the succ graph.
813 (ipa_pta_execute): Likewise.
815 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
817 (do_ds_constraint): Do not add to special var or non-pointer
819 (type_could_have_pointers): Split out from ...
820 (could_have_pointers): ... here. For arrays use the element type.
821 (create_variable_info_for): Initialize may_have_pointers.
822 (new_var_info): Likewise.
823 (handle_lhs_call): Make the HEAP variable unknown-sized.
824 (intra_create_variable_infos): Use a type with pointers for
825 PARM_NOALIAS, make it unknown-sized.
827 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
830 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
832 2009-02-18 Jason Merrill <jason@redhat.com>
835 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
836 value if DECL_EXTERNAL.
837 * tree-sra.c (sra_walk_gimple_assign): Likewise.
838 * target.h (gcc_target::binds_local_p): Clarify "module".
839 * tree.h (TREE_PUBLIC): Clarify "module".
841 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
844 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
845 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
847 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
850 * c.opt (Wabi): Support C and ObjC.
853 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
855 * config/i386/i386.c (classify_argument): Warn once about the ABI
856 change when passing union with long double.
858 * doc/invoke.texi: Update -Wabi for warning psABI changes.
860 2009-02-18 Joseph Myers <joseph@codesourcery.com>
863 * c-parser.c (c_parser_compound_statement): Always enter and leave
866 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
869 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
871 2009-02-18 Jakub Jelinek <jakub@redhat.com>
873 PR tree-optimization/36922
874 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
875 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
878 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
880 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
883 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
885 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
887 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
889 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
892 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
893 Richard Sandiford <rdsandiford@googlemail.com>
895 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
896 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
897 (loongson_biadd): ...this.
899 2009-02-17 Richard Guenther <rguenther@suse.de>
901 PR tree-optimization/39202
902 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
903 a var make sure to follow existing collapses.
905 2009-02-17 Richard Guenther <rguenther@suse.de>
908 * langhooks.c (lhd_print_error_function): Check for NULL block.
910 2009-02-17 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/39204
913 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
916 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
918 * config/soft-fp/double.h: Update from glibc CVS.
920 2009-02-17 Richard Guenther <rguenther@suse.de>
922 PR tree-optimization/39207
923 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
924 strict-aliasing warnings for pointers pointing to NULL.
926 2009-02-16 Joseph Myers <joseph@codesourcery.com>
929 * c-parser.c (c_parser_braced_init): Call pop_init_level when
930 skipping until next close brace.
932 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
935 * config/i386/i386.c (ix86_expand_push): Set memory alignment
936 to function argument boundary.
938 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
940 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
941 in the lea_add. Reload eventually constraints it properly.
942 * config/picochip/constraints.md : Remove the target constraint
943 "b", since it is not needed anymore.
945 2009-02-16 Jakub Jelinek <jakub@redhat.com>
947 * gthr-dce.h: Uglify function parameter and local variable names.
948 * gthr-gnat.h: Likewise.
949 * gthr-mipssde.h: Likewise.
950 * gthr-nks.h: Likewise.
951 * gthr-posix95.h: Likewise.
952 * gthr-posix.h: Likewise.
953 * gthr-rtems.h: Likewise.
954 * gthr-single.h: Likewise.
955 * gthr-solaris.h: Likewise.
956 * gthr-tpf.h: Likewise.
957 * gthr-vxworks.h: Likewise.
958 * gthr-win32.h: Likewise.
960 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
963 * config/i386/i386.md: Restrict the new peephole2 to move
964 between MMX/SSE registers.
966 2009-02-15 Richard Guenther <rguenther@suse.de>
969 2009-02-13 Richard Guenther <rguenther@suse.de>
971 * configure.ac: Enable LFS.
972 * configure: Re-generate.
973 * config.in: Likewise.
975 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
977 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
978 spu_srqwbyte, spu_srqwbytebc): Define.
979 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
980 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
981 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
982 "shrqby_<mode>"): New insn-and-split patterns.
983 * config/spu/spu.c (expand_builtin_args): Determine and return
984 number of operands using spu_builtin_description data.
985 (spu_expand_builtin_1): Use it.
987 2009-02-13 Steve Ellcey <sje@cup.hp.com>
990 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
993 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
996 * config/i386/i386.c (override_options): Correct warning
997 messages for -malign-loops, -malign-jumps and -malign-functions.
999 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1002 * config/i386/i386.md: Restrict the new peephole2 to move
1003 between the general purpose registers.
1005 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1008 * config/i386/i386.c (type_natural_mode): Add a new argument.
1009 Return the original mode and warn ABI change if vector size is 32byte.
1010 (function_arg_advance): Updated.
1011 (function_arg): Likewise.
1012 (ix86_function_value): Likewise.
1013 (ix86_return_in_memory): Likewise.
1014 (ix86_sol10_return_in_memory): Likewise.
1015 (ix86_gimplify_va_arg): Likewise.
1016 (function_arg_32): Don't warn ABX ABI change here.
1017 (function_arg_64): Likewise.
1019 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1021 * loop-iv.c (implies_p): In the final case, test that operands 0
1022 of the two comparisons match.
1024 * config/bfin/bfin.c (find_prev_insn_start): New function.
1025 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1026 (find_next_insn_start): Move.
1028 2009-02-13 Richard Guenther <rguenther@suse.de>
1030 * configure.ac: Enable LFS.
1031 * configure: Re-generate.
1032 * config.in: Likewise.
1034 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1037 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1038 sizes on syntax error after some arguments have been parsed.
1040 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1042 * doc/invoke.texi (-fira): Remove.
1044 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1046 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1047 * recog.c: Likewise.
1050 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1052 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1053 (umul_ppmm): Likewise.
1054 (count_leading_zeros): Likewise.
1055 (count_trailing_zeros): Likewise.
1056 (UMUL_TIME): Likewise.
1058 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1060 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1061 soft-fp/t-softfp to tmake_file.
1063 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1064 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1065 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1066 IA64_BUILTIN_INFQ]: New.
1067 (ia64_init_builtins): Initialize __builtin_infq,
1068 __builtin_fabsq and __builtin_copysignq if not HPUX.
1069 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1070 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1072 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1074 (__fixtfti): Likewise.
1075 (__fixunstfti): Likewise.
1076 (__floattitf): Likewise.
1078 * config/ia64/libgcc-glibc.ver: New.
1079 * config/ia64/t-fprules-softfp: Likewise.
1080 * config/ia64/sfp-machine.h: Likewise.
1082 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1083 (LIBGCC2_TF_CEXT): Likewise.
1084 (TF_SIZE): Likewise.
1085 (TARGET_INIT_LIBFUNCS): Likewise.
1087 * config/ia64/t-glibc (SHLINB_MAPFILES):
1088 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1090 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1092 * config/i386/i386.c (construct_container): Rewrite processing
1093 BLKmode with X86_64_SSE_CLASS.
1095 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1098 * config/i386/i386.md: Replace simplify_replace_rtx with
1099 replace_rtx in the new peephole2.
1101 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1103 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1104 loop unrolling do not happen at -O2.
1106 2009-02-12 Michael Matz <matz@suse.de>
1108 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1110 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1112 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1115 2009-02-12 Ben Elliston <bje@au.ibm.com>
1117 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1118 patterns when updating the back chain. Missed in the 2009-02-10
1121 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1123 * doc/extend.texi (Decimal Floating Types): Update identifier of
1124 draft TR and list of missing support.
1126 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1129 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1130 bit to variable length decl's flags, add it also to its
1131 pointer replacement variable.
1133 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1134 Jakub Jelinek <jakub@redhat.com>
1137 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1138 (memory_blockage): New expander.
1139 (*memory_blockage): New insn pattern.
1140 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1141 instead of general blockage at the end of function prologue when
1142 frame pointer is used to access red zone area. Do not emit blockage
1143 when profiling, it is emitted in generic code.
1144 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1145 function epilogue when frame pointer is used to access red zone area.
1147 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1150 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1151 by arithmetic with memory operands.
1152 * config/i386/predicates.md (commutative_operator): New.
1154 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1156 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1159 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1161 * alias.h (record_alias_subset): Declare.
1162 * alias.c (record_alias_subset): Make global.
1164 2009-02-10 Nick Clifton <nickc@redhat.com>
1166 * tree-parloops.c: Change license to GPLv3.
1167 * ipa-struct-reorg.c: Change license to GPLv3.
1168 * ipa-struct-reorg.h: Change license to GPLv3.
1170 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1173 * c-decl.c (start_struct): Return NULL on error.
1175 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1178 * cfgloopmanip.c (remove_path): Call remove_bbs after
1179 cancel_loop_tree, not before it.
1182 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1183 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1184 VAR_DECLs were seen.
1185 * tree-ssa-live.c (remove_unused_locals): Recompute
1186 cfun->has_local_explicit_reg_vars.
1187 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1188 copies or clearings if cfun->has_local_explicit_reg_vars.
1190 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1193 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1194 of function prologue when frame pointer is used to access
1197 2009-02-10 Richard Guenther <rguenther@suse.de>
1200 * gimplify.c (gimple_regimplify_operands): Always look if
1201 we need to create a temporary.
1203 2009-02-10 Richard Guenther <rguenther@suse.de>
1205 PR tree-optimization/39132
1206 * tree-loop-distribution.c (todo): New global var.
1207 (generate_memset_zero): Trigger TODO_rebuild_alias.
1208 (tree_loop_distribution): Return todo.
1210 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1213 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1214 (x86_64_reg_class_name): Removed.
1215 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1216 first one isn't X86_64_SSE_CLASS or any other ones aren't
1217 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1218 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1219 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1220 and 3 X86_64_SSEUP_CLASS.
1221 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1222 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1224 2009-02-10 Ben Elliston <bje@au.ibm.com>
1226 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1227 form instruction to update the stack back chain word, even if the
1228 user has disabled the generation of update instructions.
1229 (movdi_<mode>_update_stack): New.
1230 (movsi_update_stack): Likewise.
1231 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1232 always use an update form instruction to update the stack back
1235 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1238 * graphite.c (if_region_set_false_region): After moving a region in
1239 the false branch of a condition, remove the empty dummy basic block.
1240 (gloog): Remove wrong fix for PR38953.
1242 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1244 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1245 generation due to implicit sign extension.
1247 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1250 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1251 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1253 2009-02-09 Richard Guenther <rguenther@suse.de>
1256 * convert.c (convert_to_real): Disable (float)fn((double)x)
1257 to fnf(x) conversion if errno differences may occur and
1258 -fmath-errno is set.
1260 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1262 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1263 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1264 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1266 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1269 * c-common.c (handle_alias_attribute): Disallow attribute for
1270 anything not a FUNCTION_DECL or VAR_DECL.
1272 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1275 * real.c (do_compare): Special-case compare of zero against
1276 decimal float value.
1278 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1281 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1282 as indicating flexible array members unless the field itself is
1283 being declarared as the incomplete array.
1285 2009-02-06 Jan Hubicka <jh@suse.cz>
1287 PR tree-optimization/38844
1288 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1291 2009-02-06 Richard Guenther <rguenther@suse.de>
1294 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1295 fork because we may expand it as __gcov_fork.
1297 2009-02-06 Nick Clifton <nickc@redhat.com>
1299 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1301 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1303 PR tree-optimization/35659
1304 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1305 vn_phi_eq): Shortcut if hashcode does not match.
1306 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1308 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1309 and avoid iterative_hash_expr.
1310 (FOR_EACH_VALUE_ID_IN_SET): New.
1311 (value_id_compare): Remove.
1312 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1313 sort expressions by value id.
1315 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1318 * config/sh/predicates.md (general_movsrc_operand): Don't check
1319 the subreg of system registers here.
1321 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1324 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1327 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1329 PR rtl-optimization/39110
1330 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1331 addresses, not aligned ones.
1333 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1334 Richard Guenther <rguenther@suse.de>
1336 PR tree-optimization/39100
1337 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1338 comment says and add edges.
1340 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1343 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1344 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1346 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1348 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1349 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1350 register_bb_in_sese, new_sese, free_sese): Moved.
1351 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1352 outermost_loop_in_scop, build_scop_iteration_domain,
1353 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1354 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1355 Use loop_in_sese_p instead of loop_in_scop_p.
1356 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1357 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1358 (scopdet_basic_block_info): Fix bug in scop detection.
1359 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1360 eq_loop_to_cloog_loop): Remove.
1361 (nb_loops_around_loop_in_scop, nb_loop
1362 ref_nb_loops): Moved here...
1363 * graphite.h (ref_nb_loops): ... from here.
1364 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1365 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1366 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1367 * testsuite/gcc.dg/graphite/scop-19.c: New
1369 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1370 Hans-Peter Nilsson <hp@axis.com>
1372 PR rtl-optimization/37889
1373 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1374 Move offset handling from PLUS to before the switch. Use new
1375 arguments when considering SYMBOL_REFs too.
1376 (rtx_addr_can_trap_p): Pass dummy offset and size.
1377 (enum may_trap_p_flags): Remove.
1378 (may_trap_p_1): Pass size from MEM_SIZE.
1380 PR rtl-optimization/38921
1381 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1382 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1383 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1384 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1386 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1388 AVX Programming Reference (January, 2009)
1389 * config/i386/sse.md (*vpclmulqdq): New.
1391 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1393 PR tree-optimization/38977
1394 PR gcov-profile/38292
1395 * calls.c (special_function_p): Disregard __builtin_ prefix.
1397 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1399 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1400 non-indexable addresses even before reload.
1402 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1405 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1406 as having variable size. Do not give an error for unnamed
1407 parameters with [*] declarators. Give a warning for type names
1408 with [*] declarators and mark them as variable size.
1409 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1410 for sizeof applied to [*] type names.
1412 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1415 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1417 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1419 * gcc.c (process_command): Update copyright notice dates.
1420 * gcov.c (print_version): Likewise.
1421 * gcov-dump.c (print_version): Likewise.
1422 * mips-tfile.c (main): Likewise.
1423 * mips-tdump.c (main): Likewise.
1425 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1428 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1429 for composite type involving a zero-length array type.
1431 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1434 * function.c (match_asm_constraints_1): Skip over
1435 initial optional % in the constraint.
1438 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1439 supported, don't accept FIXED_CSTs.
1440 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1441 and _Sat is used without _Fract/_Accum. Set specs->type to
1442 integer_type_node for cts_fract/cts_accum if fixed point is not
1445 2009-02-02 Catherine Moore <clm@codesourcery.com>
1447 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1449 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1451 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1452 (ABI_HAS_64BIT_SYMBOLS): Use it.
1453 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1455 2009-02-02 Paul Brook <paul@codesourcery.com>
1457 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1459 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1462 * recog.h (asm_operand_ok): Add constraints argument.
1463 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1464 recurse on matching constraint.
1465 (check_asm_operands): Pass constraints as 3rd argument to
1466 asm_operand_ok. Don't look up matching constraint here.
1467 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1470 2009-02-02 Ben Elliston <bje@au.ibm.com>
1472 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1473 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1475 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1477 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1478 information. Remove some obsolete information. Reorganize.
1480 * config/pa/fptr.c: Revert license to GPL 2.
1481 * config/pa/milli64.S: Likewise.
1483 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1486 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1487 LIBRARY name in, instead of hard-coding it.
1488 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1489 extra target make frag to tmake_files according to EH model.
1490 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1491 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1492 frags that define makefile variable EH_MODEL appropriately.
1493 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1494 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1495 to "-sjlj" according to type of EH configured.
1496 (LIBGCC_SONAME): Concatenate it to shared library base name.
1497 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1498 to "_sjlj" according to type of EH configured.
1499 (LIBGCC_SONAME): Concatenate it to shared library base name.
1500 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1501 (SHLIB_LINK): Add missing semicolon to if-else construct.
1502 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1503 string value of "pe_dll" command-line option.
1504 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1505 (SHLIB_SONAME): Use it when overriding t-cygming default.
1506 (SHLIB_IMPLIB): Override t-cygming default.
1507 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1508 string value of "pe_dll" command-line option.
1510 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1513 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1514 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1516 2009-01-31 Richard Guenther <rguenther@suse.de>
1518 PR tree-optimization/38937
1519 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1520 computing the transitive closure.
1522 2009-01-30 Richard Guenther <rguenther@suse.de>
1524 PR tree-optimization/39041
1525 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1526 Propagate variable indices only if the types match for this stmt.
1528 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1531 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1532 inline but never defined.
1534 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1536 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1537 (*insv_h_di_reg_extimm): New insn.
1538 (*insv_l<mode>_reg_extimm): New insn.
1540 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1542 * config/picochip/picochip.c (flag_conserve_stack): set
1543 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1544 fconserve-stack. Reduce call-overhead used by inliner.
1546 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1549 * common.opt (flag_conserve_stack): Initialised to zero.
1551 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1554 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1555 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1558 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1560 * ira-color.c (allocno_reload_assign): Update comments.
1561 * regmove.c (regmove_optimize): Likewise.
1565 2009-01-29 Robert Millan <rmh@aybabtu.com>
1567 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1568 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1569 `MD_UNWIND_SUPPORT'.
1570 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1572 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1574 PR tree-optimization/39007
1575 * tree-loop-distribution.c (generate_builtin): Use
1576 recompute_dominator to compute the immediate dominator of the
1577 basic block just after the loop.
1579 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1581 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1582 (ASM_OUTPUT_DWARF_PCREL): Define.
1584 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1586 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1587 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1588 global. Modify entries about regmove and IRA.
1590 * ra-conflict.c: Remove the file.
1592 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1594 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1595 (pass_regclass_init): Rename to pass_reginfo_init.
1597 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1599 * toplev.h (flag_ira): Remove.
1601 * caller-save.c (setup_save_areas): Remove flag_ira.
1603 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1605 * global.c: Remove the file.
1607 * opts.c: (decode_options): Remove flag_ira.
1609 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1611 * regmove.c: Modify file description.
1612 (find_use_as_address, try_auto_increment): Define them only if
1613 AUTO_INC_DEC is defined.
1614 (replacement_quality, replace_in_call_usage, fixup_match_1,
1615 stable_and_no_regs_but_for_p): Remove.
1616 (reg_set_in_bb): Make it static.
1617 (regmove_optimize): Remove flag_ira and code which worked for
1620 * local-alloc.c: Remove the file.
1622 * common.opt (fira): Remove.
1624 * ira.c: Include except.h.
1625 (eliminable_regset): Move from global.c.
1626 (mark_elimination): Ditto. Remove flag_ira.
1627 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1628 equiv_mem_modified, validate_equiv_mem_from_store,
1629 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1630 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1631 no_equiv, recorded_label_ref): Move from local-alloc.c.
1632 (update_equiv_regs): Ditto. Make it static.
1633 (print_insn_chain, print_insn_chains): Move it from global.c.
1634 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1635 (build_insn_chain): Ditto. Make it static.
1636 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1637 Rename to init_live_subregs.
1638 (gate_ira): Remove flag_ira.
1640 * regclass.c: Rename reginfo.c. Change file description.
1641 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1642 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1643 (init_reg_sets_1): Remove code for evaluation of
1644 reg_class_superclasses and losing_caller_save_reg_set.
1645 (init_regs): Remove init_reg_autoinc.
1646 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1647 ok_for_base_p_nonstrict): Remove.
1648 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1649 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1650 corresponding entries.
1651 (dump_regclass, record_operand_costs, scan_one_insn,
1652 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1653 record_address_regs, auto_inc_dec_reg_p): Remove.
1654 (gt-regclass.h): Rename to gt-reginfo.h.
1656 * rtl.h (dump_global_regs, retry_global_alloc,
1657 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1659 * Makefile.in (RA_H): Remove.
1660 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1661 Rename regclass.o to reginfo.o.
1662 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1664 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1665 (GTFILES): Rename regclass.c to reginfo.c.
1667 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1668 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1670 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1671 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1673 (finish_spills): Ditto. Remove code for !flag_ira.
1675 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1678 * doc/invoke.texi (rtl debug options): Complete rewrite.
1679 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1681 * mode-switching.c (pass_mode_switching): Rename pass from
1682 "mode-sw" to "mode_sw".
1683 * except.c (pass_convert_to_eh_ranges): Rename pass from
1684 "eh-ranges" to "eh_ranges".
1685 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1689 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1690 Alexander Monakov <amonakov@ispras.ru>
1693 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1695 (move_exprs_to_boundary): Change return type and pass through
1696 should_move from move_op. Relax assert. Update usage ...
1697 (schedule_expr_on_boundary): ... here. Use should_move instead of
1699 (move_op_orig_expr_found): Indicate that insn was disconnected from
1701 (code_motion_process_successors): Do not call after_merge_succs
1702 callback if original expression was not found when traversing any of
1704 (code_motion_path_driver): Change return type. Update prototype.
1705 (move_op): Update comment. Add a new parameter (should_move). Update
1706 prototype. Set *should_move based on indication provided by
1707 move_op_orig_expr_found.
1709 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1711 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1712 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1713 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1714 * config/rs6000/rs6000.c (rs6000_override_options): Default
1715 avoid-indexed-addresses on for Power6, off for everything else.
1716 (avoiding_indexed_address_p): New function.
1717 (rs6000_legitimize_address): Use it.
1718 (rs6000_legitimate_address): Likewise.
1719 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1721 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1723 PR tree-optimization/38997
1724 * tree-loop-distribution.c (generate_memset_zero): Use
1725 POINTER_PLUS_EXPR for a pointer addition.
1727 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1729 * config/s390/s390.md (bswap<mode>2): New pattern added.
1731 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1733 * config/s390/s390.md (*tls_load_31): Added type attribute.
1735 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1737 * config/s390/s390.md: Fix a few comments.
1739 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1741 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1742 (*tm<mode>_full): Fixed z10prop attribute.
1743 (*tst<mode>_extimm): Fixed z10prop attribute.
1744 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1745 (*tstqiCCT_cconly): Fixed z10prop attribute.
1746 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1747 (*movsi_larl): Fixed z10prop attribute.
1748 (*movsi_zarch): Fixed z10prop attribute.
1749 (*movsi_eas): Fixed z10prop attribute.
1750 (*movhi): Fixed z10prop attribute.
1751 (*movqi): Fixed z10prop attribute.
1752 (*movstrictqi): Fixed z10prop attribute.
1753 (*mov<mode>): Fixed z10prop attribute.
1754 (*movcc): Fixed z10prop attribute.
1755 (*sethighpartdi_64): Fixed z10prop attribute.
1756 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1757 (*negdi2_sign_cc): Fixed z10prop attribute.
1758 (*negdi2_sign): Fixed z10prop attribute.
1759 (*absdi2_sign_cc): Fixed z10prop attribute.
1760 (*absdi2_sign): Fixed z10prop attribute.
1761 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1762 (*negabsdi2_sign): Fixed z10prop attribute.
1763 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1764 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1765 (doloop_si64): Fixed z10prop attribute.
1766 (doloop_si31): Fixed z10prop attribute.
1767 (doloop_long): Fixed z10prop attribute.
1768 (indirect_jump): Fixed z10prop attribute.
1769 (nop): Fixed z10prop attribute.
1770 (main_base_64): Fixed z10prop attribute.
1771 (reload_base_64): Fixed z10prop attribute.
1773 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1775 PR rtl-optimization/38740
1776 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1778 * config/mips/mips.c (mips_reorg): Likewise.
1780 2009-01-28 Richard Guenther <rguenther@suse.de>
1782 PR tree-optimization/38926
1783 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1784 with the correct value id to a value.
1785 (do_regular_insertion): Use the value number of edoubleprime
1786 for the value number of the expr.
1789 2008-08-21 Richard Guenther <rguenther@suse.de>
1791 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1792 a PHI ask VN if it is already available.
1793 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1794 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1796 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1799 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1800 set to varying whenever max has TREE_OVERFLOW set, similarly
1801 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1803 2009-01-28 Richard Guenther <rguenther@suse.de>
1806 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1807 uninitialized aggregate uses in call arguments.
1809 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1811 PR tree-optimization/38984
1812 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1813 the nothing_id variable if -fno-delete-null-pointer-checks.
1815 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1818 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1819 (set_got_offset_rex64): Ditto.
1821 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1824 * doc/extend.texi: Improve local variable with asm reg.
1826 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1828 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1829 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1830 was not supplied then set warn_packed_bitfield_compat to the
1832 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1835 2009-01-27 Richard Guenther <rguenther@suse.de>
1837 PR tree-optimization/38503
1838 * cfgexpand.c (expand_gimple_basic_block): Ignore
1839 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1840 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1841 variables that cannot have TBAA applied.
1842 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1845 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1848 * calls.c (initialize_argument_information): Do not wrap complex
1849 arguments in SAVE_EXPR.
1851 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1853 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1854 (INSTALL_LIBGCC): Revert typo commit.
1856 2009-01-26 Richard Guenther <rguenther@suse.de>
1858 PR tree-optimization/38745
1859 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1860 from special handling.
1862 2009-01-26 Richard Guenther <rguenther@suse.de>
1864 PR tree-optimization/38745
1865 * tree-ssa.c (execute_update_addresses_taken): Do not include
1866 variables that cannot possibly be a register in not_reg_needs.
1867 Do not clear TREE_ADDRESSABLE on vars that may not become
1869 * tree-ssa.c (update_alias_info_1): Include those in the set
1870 of addressable vars.
1872 2009-01-26 Richard Guenther <rguenther@suse.de>
1875 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1876 * tree-ssa-dse.c: Include langhooks.h
1877 (execute_simple_dse): Remove stores with zero size.
1879 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1882 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1885 2009-01-24 Julian Brown <julian@codesourcery.com>
1887 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1888 config/arm/linux-atomic.c.
1889 * config/arm/linux-atomic.c: New.
1891 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1893 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1894 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1895 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1897 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1900 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1903 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1905 PR tree-optimization/38953
1906 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1907 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1908 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1909 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1912 2009-01-24 Paul Brook <paul@codesourcery.com>
1914 * config/arm/neon.md (neon_type): Move to arm.md.
1915 (neon_mov<VSTRUCT>): Add neon_type attribute.
1916 * config/arm/arm.md (neon_type): Move to here.
1917 (conds): Add "unconditioal" and use as default for NEON insns.
1919 2009-01-24 Ben Elliston <bje@au.ibm.com>
1921 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1922 void *' warning from -Wc++-compat.
1923 * Makefile.in (dominance.o-warn): Remove.
1925 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1927 PR tree-optimization/38932
1928 * fold-const.c (fold_unary_ignore_overflow): New.
1929 * tree.h (fold_unary_ignore_overflow): Declare.
1930 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1931 * tree-ssa-sccvn.c (visit_reference_op_load,
1932 simplify_unary_expression): Likewise.
1934 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1936 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1937 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1938 regardless of their type.
1939 * c-common.c (handle_packed_attribute): Don't ignore packed on
1941 * c.opt (Wpacked-bitfield-compat): New warning option.
1942 * stor-layout.c (place_field): Warn if offset of a field changed.
1943 * doc/extend.texi (packed): Mention the ABI change.
1944 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1945 (Warning Options): Add it to the list.
1947 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1949 * c-opts.c (c_common_post_options): Fix a typo in comments.
1951 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1954 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1955 variables to static.
1956 * doc/invoke.texi (-fmerge-all-constants): Update description.
1958 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1961 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1962 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1964 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1966 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1968 (LOCAL_ALIGNMENT): Similarly.
1970 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1971 Joseph Myers <joseph@codesourcery.com>
1973 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1974 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1975 * config/arm/arm-tune.md: Regenerate.
1976 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1979 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1981 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1982 version number to five.
1984 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1987 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1988 * c-common.c (set_underlying_type): Likewise.
1989 (is_typedef_decl ): Likewise
1991 (set_underlying_type): Likewise.
1992 (is_typedef_type): Likewise.
1994 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1997 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2000 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2003 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2004 (LIBGCC_SPEC): Don't define.
2005 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2007 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2009 PR rtl-optimization/38879
2010 * alias.c (base_alias_check): Unaligned access via AND address can
2011 alias all surrounding object types except those with sizes equal
2012 or wider than the size of unaligned access.
2014 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2017 * c-decl.c: (clone_underlying_type): Move this ...
2018 * c-common.c (set_underlying_type): ... here.
2019 Also, make sure the function properly sets TYPE_STUB_DECL() on
2020 the newly created typedef variant type.
2021 (is_typedef_decl ): New entry point.
2022 * tree.h: Added a new member member_types_needing_access_check to
2023 struct tree_decl_non_common.
2024 (set_underlying_type): New entry point.
2025 (is_typedef_type): Likewise.
2027 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2029 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2030 Check whether two instructions have memory references that
2031 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2032 are helper functions for traversing.
2033 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2034 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2035 not to draw dependency edge for instructions with non-conflicting
2038 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2041 * longlong.h: Update copyright years. Use soft-fp license notice.
2042 Sync __clz_tab declaration with glibc.
2044 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2047 * doc/extend.texi (syscall_linkage): New.
2048 (version_id): Modify.
2050 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2051 Richard Guenther <rguenther@suse.de>
2053 PR tree-optimization/38747
2054 PR tree-optimization/38748
2055 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2056 conversion if the base address is an indirect reference and the
2057 aliasing sets could cause issues.
2059 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2061 * common.opt (fgraphite, fgraphite-identity): Add comment for
2062 explaining why these options are not documented.
2064 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2066 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2067 gimple_call_lhs is NULL.
2069 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2072 * emit-rtl.c (adjust_address_1): Make sure memref is never
2075 2009-01-20 Ben Elliston <bje@au.ibm.com>
2077 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2078 const qualifier from arg parameter. Remove unnecessary cast to char *.
2079 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2080 const qualifier from arg 2.
2082 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2084 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2086 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2089 * rtl.h (reinit_regs): New prototype.
2090 * regclass.c: Include ira.h.
2092 * Makefile.in (regclass.o): Add ira.h.
2093 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2095 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2098 * c-common.c (handle_aligned_attribute): Use
2099 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2100 default alignment value.
2102 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2104 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2105 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2107 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2108 __BIGGEST_ALIGNMENT__.
2110 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2112 2009-01-18 Richard Guenther <rguenther@suse.de>
2114 PR tree-optimization/38819
2115 * tree-flow.h (operation_could_trap_helper_p): Declare.
2116 * tree-eh.c (operation_could_trap_helper_p): Export.
2117 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2118 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2119 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2120 are about to insert a possibly trapping instruction and fail
2123 2009-01-18 Andreas Schwab <schwab@suse.de>
2125 * doc/install.texi (Configuration): Remove obsolete paragraph
2126 about use of --with-gnu-ld with --with-gnu-as.
2128 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2130 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2131 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2132 Follow spelling conventions.
2134 2009-01-18 Ben Elliston <bje@au.ibm.com>
2136 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2137 C++ warning about implicit conversion from void * to struct
2139 (bitmap_obstack_free): Likewise for bitmap_element *.
2140 * Makefile.in (bitmap.o-warn): Remove.
2142 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2144 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2146 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2147 Tobias Grosser <tobi.grosser@amd.com>
2149 * graphite.c (graphite_trans_scop_block): Do not block single
2152 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2154 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2155 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2156 test with assertion.
2158 2009-01-16 Richard Guenther <rguenther@suse.de>
2160 PR tree-optimization/38835
2162 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2163 and INT + PTR -> (INT)(PTR p+ INT) folding.
2164 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2166 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2169 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2170 the subreg from a lowpart subreg if it is also casting the value.
2172 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2173 Tobias Grosser <tobi.grosser@amd.com>
2175 * graphite.c (compare_prefix_loops): New.
2176 (build_scop_canonical_schedules): Rewritten.
2177 (graphite_transform_loops): Move build_scop_canonical_schedules
2178 after build_scop_iteration_domain.
2180 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2181 Tobias Grosser <tobi.grosser@amd.com>
2183 * graphite.c (add_conditions_to_domain): Add the loops to
2184 the dimension of the iteration domain. Do copy the domain
2185 only when it exists.
2186 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2187 (add_conditions_to_constraints): New.
2188 (can_generate_code_stmt, can_generate_code): Removed.
2189 (gloog): Do not call can_generate_code.
2190 (graphite_transform_loops): Call add_conditions_to_constraints
2191 after building the iteration domain.
2193 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2195 PR tree-optimization/38789
2196 * tree-ssa-threadedge.c
2197 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2198 __builtin_constant_p.
2200 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2202 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2203 examined before deleting them.
2205 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2207 * function.c (aggregate_value_p): Correctly extract the function
2208 type from CALL_EXPR_FN lookup.
2210 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2212 * config/picochip/picochip.c (picochip_override_options): Revert
2213 CFI asm flag disable commited previously.
2215 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2216 Tobias Grosser <tobi.grosser@amd.com>
2217 Jan Sjodin <jan.sjodin@amd.com>
2219 * graphite.c (scan_tree_for_params): On substractions negate
2220 all the coefficients of the term.
2221 (clast_to_gcc_expression_red): New. Handle reduction expressions
2222 of more than two operands.
2223 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2224 (get_vdef_before_scop): Handle also the case of default definitions.
2226 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2228 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2229 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2230 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2232 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2233 Joey Ye <joey.ye@intel.com>
2236 * cfgexpand.c (expand_stack_alignment): Don't update stack
2237 boundary nor check incoming stack boundary here.
2238 (gimple_expand_cfg): Update stack boundary and check incoming
2239 stack boundary here.
2241 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2243 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2245 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2247 PR rtl-optimization/38245
2248 * calls.c (expand_call): Add stack arguments to
2249 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2250 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2251 in regs and partially in memory or BLKmode arguments.
2252 (emit_library_call_value_1): Add stack arguments to
2253 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2254 ACCUMULATE_OUTGOING_ARGS).
2255 * dce.c: Include tm_p.h.
2256 (find_call_stack_args): New function.
2257 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2259 (mark_insn): Call find_call_stack_args for CALL_Ps.
2260 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2261 forwards. Allocate and free arg_stores bitmap if needed, pass it
2262 down to deletable_insn_p, don't mark stores set in arg_stores
2263 bitmap, clear the bitmap at the beginning of each bb.
2264 * Makefile.in (dce.o): Depend on $(TM_P_H).
2266 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2269 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2270 to make sure the insn is a conditional test (bug 22599). Reformat a
2273 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2276 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2277 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2278 (gloog): Do not call cleanup_tree_cfg.
2279 (graphite_transform_loops): Call cleanup_tree_cfg after all
2280 scops have been code generated.
2282 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2283 * doc/gty.texi (Invoking the garbage collector): Added new node
2284 and section documenting ggc_collect.
2286 2009-01-14 Richard Guenther <rguenther@suse.de>
2288 PR tree-optimization/38826
2290 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2291 initialization notes only if we actually emitted a warning.
2292 (intra_create_variable_infos): Add constraints for a result decl
2293 that is passed by hidden reference.
2294 (build_pred_graph): Mark all related variables non-direct on
2297 2009-01-14 Nick Clifton <nickc@redhat.com>
2299 * ira-conflicts.c: Include addresses.h for the definition of
2301 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2302 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2304 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2307 * Makefile.in (ira-lives.o): Add except.h.
2309 * ira-lives.c: Include except.h.
2310 (process_bb_node_lives): Process can_throw_internal.
2312 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2314 PR rtl-optimization/38774
2315 * combine.c (simplify_set): When undoing cc_use change, don't do
2316 PUT_CODE on the newly created comparison, but instead put back the
2319 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2321 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2322 values. Remove duplicate arm8 entry.
2324 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2326 PR tree-optimization/38786
2327 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2328 the SSA_NAME case of expand_scalar_variables_expr.
2329 Set the type of an expression to the type of its assign statement.
2330 (expand_scalar_variables_expr): Also gather the scalar computation
2331 used to index the memory access. Do not pass loop_p.
2332 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2333 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2334 the gimple_stmt_iterator where it inserts new code.
2336 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2337 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2339 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2341 * graphite.h (debug_value): Removed.
2342 * graphite.c (debug_value): Removed.
2344 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2346 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2347 ldrd/strd with two 32-bit instructions.
2349 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2351 * config/arm/arm.c (struct processors): Pass for speed down into
2352 cost helper functions.
2353 (const_ok_for_op): Handle COMPARE and inequality nodes.
2354 (arm_rtx_costs_1): Rewrite.
2355 (arm_size_rtx_costs): Update prototype.
2356 (arm_rtx_costs): Pass speed down to helper functions.
2357 (arm_slowmul_rtx_costs): Rework cost calculations.
2358 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2359 (arm_9e_rtx_costs): Likewise.
2361 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2363 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2364 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2365 (alpha_legitimize_address): Do not split local symbols wider than
2366 UNITS_PER_WORD into HIGH/LO_SUM parts.
2368 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2371 * gcc.c (process_command): Replace call to execvp with calls
2372 to pex_one and exit.
2374 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2377 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2378 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2379 variant for devices with 3-byte PC.
2380 (__tablejump_elpm__) : New.
2382 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2385 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2386 offsetof member-designator, handle it as `[0].'.
2388 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2390 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2391 function when not using named sections on targets with named sections
2392 if branch distance is less than 262132.
2394 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2396 * combine.c (combine_instructions): Recompute
2397 optimize_this_for_speed_p for each BB in the main combine loop.
2399 2009-01-12 Tomas Bily <tbily@suse.cz>
2402 * tree-loop-distribution.c (prop_phis): New function.
2403 (generate_builtin): Call prop_phis.
2404 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2406 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2408 PR tree-optimization/38807
2409 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2410 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2412 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2414 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2415 subreg of op0 to the original op0.
2417 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2419 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2421 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2424 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2425 starting with digits.
2427 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2430 * config/arm/arm.c (arm_is_long_call_p): Don't call
2431 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2433 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2435 * regrename.c (regrename_optimize): Fix dumping.
2436 (find_oldest_value_reg): Preserve REG_POINTER.
2437 (copy_hardreg_forward_1): Likewise.
2439 2009-01-09 Diego Novillo <dnovillo@google.com>
2441 * gimple.h (struct gimple_statement_base) <uid>: Document
2442 the restrictions on its use.
2444 (gimple_set_uid): Tidy.
2446 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2448 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2449 zero guard even if align_bytes != 0 and count is smaller than
2452 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2454 PR rtl-optimization/38495
2455 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2456 (add_range_and_copies_from_move_list): Print all added ranges.
2457 Add ranges to memory optimized destination.
2459 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2463 * config/i386/i386.c (override_options): Reject
2464 -mstringop-strategy=rep_8byte with -m32.
2465 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2466 to 1. Do count comparison against epilogue_size_needed at compile
2467 time even when count_exp was constant forced into register. For
2468 size_needed don't jump to epilogue, instead just avoid aligning
2469 and invoke the body algorithm. If need_zero_guard, add zero guard
2470 even if count is non-zero, but smaller than size_needed + number of
2471 bytes that could be stored for alignment.
2472 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2473 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2474 but smaller than size_needed + number of bytes that could be stored
2475 for alignment. Compare size_needed with epilogue_size_needed instead
2476 of desired_align - align, don't adjust size_needed, pass
2477 epilogue_size_needed to the epilogue expanders.
2480 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2482 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2484 * pa.c (last_address): Change to unsigned.
2485 (update_total_code_bytes): Change argument to unsigned. Don't
2486 check if insn addresses are set.
2487 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2488 addresses are not set.
2489 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2491 2009-01-09 Nick Clifton <nickc@redhat.com>
2493 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2494 DECL_DECLARED_INLINE_P.
2496 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2499 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2500 GET_MODE (op0) in operand_subword_force calls.
2503 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2504 fold_convert arg0 operands to TREE_TYPE (op0) first.
2506 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2508 * params.def (ira-max-conflict-table-size): Decrease default value
2511 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2513 PR tree-optimization/37031
2514 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2516 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2517 allocate it using gc instead of heap, use VEC_quick_push instead of
2519 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2520 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2521 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2522 allocated vector from heap allocated.
2523 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2524 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2525 vector only after perfect_loop_nest_depth call.
2527 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2528 Jan Sjodin <jan.sjodin@amd.com>
2530 PR tree-optimization/38559
2531 * graphite.c (debug_value, copy_constraint,
2532 swap_constraint_variables, scale_constraint_variable, ): New.
2533 (get_lower_bound, get_upper_bound): Removed.
2534 (graphite_trans_bb_strip_mine): Clean up this code that works
2535 only for constant number of iterations. Fully copy upper and
2536 lower bound constraints, not only the constant part of them.
2537 * graphite.h (debug_value): Declared.
2539 2009-01-08 Ira Rosen <irar@il.ibm.com>
2541 PR tree-optimization/37194
2542 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2543 Don't add the cost of cost model guard in prologue to scalar
2544 outside cost in case of known number of iterations.
2546 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2547 Alan Modra <amodra@bigpond.net.au>
2549 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2550 non-word-aligned REG+CONST addressing.
2552 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2555 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2556 free_after_compilation when outputting a thunk.
2557 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2558 Do not call free_after_compilation here.
2560 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2562 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2563 (ix86_valid_target_attribute_inner_p): Ditto.
2565 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2567 PR tree-optimization/38492
2568 PR tree-optimization/38498
2569 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2570 * tree-chrec.h (scev_is_linear_expression): Declared.
2571 * graphite.c (graphite_cannot_represent_loop_niter): New.
2572 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2573 (graphite_loop_normal_form): Use gcc_assert.
2574 (scan_tree_for_params): Use CASE_CONVERT.
2575 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2576 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2577 Use gcc_assert. Discard scops that contain unhandled cases.
2578 (build_scop_conditions): Return a boolean status for unhandled cases.
2579 (strip_mine_profitable_p): Print the loop number, not its depth.
2580 (is_interchange_valid): Pass the depth of the loop nest, don't
2581 recompute it wrongly.
2582 (graphite_trans_bb_block): Same.
2583 (graphite_trans_bb_block): Print tentative of loop blocking.
2584 (graphite_trans_scop_block): Do not print that the loop has been
2586 (graphite_transform_loops): Do not handle scops that contain condition
2589 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2591 AVX Programming Reference (December, 2008)
2592 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2593 (_mm256_stream_pd): Likewise.
2594 (_mm256_stream_ps): Likewise.
2596 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2597 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2598 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2599 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2600 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2601 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2602 (ix86_expand_special_args_builtin): Likewise.
2604 * config/i386/sse.md (AVXMODEDI): New.
2605 (avx_movnt<mode>): Likewise.
2606 (avx_movnt<mode>): Likewise.
2607 (<sse>_movnt<mode>): Remove AVX support.
2608 (sse2_movntv2di): Likewise.
2610 2009-01-07 Richard Guenther <rguenther@suse.de>
2613 * fold-const.c (extract_muldiv): Remove obsolete comment.
2614 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2615 to PLUS_EXPR canonicalization for the canonicalization.
2617 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2619 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2620 hosted cross-compilers generating less efficient code.
2622 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2624 * function.h (rtl_data): Add a dbr_scheduled_p field.
2625 * reorg.c (dbr_schedule): Set it.
2626 (gate_handle_delay_slots): Check it.
2627 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2628 (mips_reorg): Check flag_delayed_branch instead of
2629 mips_base_delayed_branch.
2630 (mips_override_options): Don't set mips_base_delayed_branch
2631 or flag_delayed_branch.
2633 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2635 PR rtl-optimization/38426.
2636 * ira.c (ira): Set current_function_is_leaf earlier.
2638 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2640 PR rtl-optimization/38722
2641 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2642 too early, only set a flag and modify after last possible
2645 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2648 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2649 * real.c (decimal_single_format): Correct values of emin and emax.
2650 (decimal_double_format): Ditto.
2651 (decimal_quad_format): Ditto.
2652 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2653 computation of DECnn_MIN and DECnn_MAX for corrected values of
2654 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2655 __DECnn_MIN__, and adjust its computation for the corrected value
2658 2009-01-06 Jan Hubicka <jh@suse.cz>
2661 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2663 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2665 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2666 Add Robert Clark to the list of testers.
2668 2009-01-06 Jan Hubicka <jh@suse.cz>
2669 Kai Tietz <kai.tietz@onevision.com>
2671 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2672 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2674 2009-01-06 Jan Hubicka <jh@suse.cz>
2675 Kai Tietz <kai.tietz@onevision.com>
2677 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2679 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2680 (ix86_nsaved_regs): Count only general purpose regs.
2681 (ix86_nsaved_sseregs): New.
2682 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2683 to 16 for w64; compute padding and size of sse reg save area.
2684 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2685 general purpose regs.
2686 (ix86_emit_save_sse_regs_using_mov): New.
2687 (ix86_expand_prologue): Save SSE regs if needed.
2688 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2689 (ix86_emit_restore_sse_regs_using_mov): New.
2690 (ix86_expand_epilogue): Save SSE regs if needed.
2692 2009-01-06 Jan Hubicka <jh@suse.cz>
2693 Kai Tietz <kai.tietz@onevision.com>
2695 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2696 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2697 functions when accumulate outgoing args is off.
2699 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2702 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2703 before using pseudos_have_intersected_live_ranges_p.
2705 * ira-int.h (ira_assert): Always define.
2707 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2709 AVX Programming Reference (December, 2008)
2710 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2711 (_mm256_permute2_pd): Likewise.
2712 (_mm_permute2_ps): Likewise.
2713 (_mm256_permute2_ps): Likewise.
2714 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2715 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2717 * config/i386/i386.c (ix86_builtins): Remove
2718 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2719 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2720 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2721 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2722 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2723 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2724 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2725 __builtin_ia32_vpermil2ps256.
2726 (ix86_init_mmx_sse_builtins): Updated.
2727 (ix86_expand_args_builtin): Likewise.
2729 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2731 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2732 long absolute calls when generating PA 2.0 code.
2734 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2736 PR rtl-optimization/38583
2737 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2739 * params.def (ira-max-conflict-table-size): New.
2741 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2743 * ira.h (ira_conflicts_p): New external definition.
2745 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2746 table. Report this. Return result of building.
2747 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2748 building conflict table.
2750 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2751 (ira_color): Use ira_conflicts_p.
2753 * global.c: Include ira.h.
2754 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2757 * Makefile.in (global.o): Add ira.h.
2759 * ira-build.c (mark_all_loops_for_removal,
2760 propagate_some_info_from_allocno): New.
2761 (remove_unnecessary_allocnos): Call
2762 propagate_some_info_from_allocno.
2763 (remove_low_level_allocnos): New.
2764 (remove_unnecessary_regions): Add parameter. Call
2765 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2766 parameter to remove_unnecessary_regions.
2767 (ira_build): Remove all regions but root if the conflict table was
2768 not built. Update conflict hard regs for allocnos crossing calls.
2770 * ira.c (ira_conflicts_p): New global.
2771 (ira): Define and use ira_conflicts_p.
2773 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2774 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2775 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2777 2009-01-06 Ben Elliston <bje@au.ibm.com>
2779 * gengtype-lex.l (YY_NO_INPUT): Define.
2781 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2784 * c-common.c (handle_vector_size_attribute): Also reject
2787 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2789 PR tree-optimization/38492
2790 * graphite.c (rename_map_elt, debug_rename_elt,
2791 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2792 rename_map_elt_info, eq_rename_map_elts,
2793 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2794 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2795 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2796 (sese_build_livein_liveouts): New.
2797 (new_sese, free_sese): New.
2798 (new_scop): Call new_sese.
2799 (free_scop): Call free_sese.
2800 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2801 (register_old_new_names): Renamed register_old_and_new_names.
2802 (register_scop_liveout_renames, add_loop_exit_phis,
2803 insert_loop_close_phis, struct igp,
2804 default_liveout_before_guard, add_guard_exit_phis,
2805 insert_guard_phis, copy_renames): New.
2806 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2807 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2808 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2809 (scop_adjust_phis_for_liveouts): New.
2810 (gloog): Call scop_adjust_phis_for_liveouts.
2812 * graphite.h (struct sese): Documented. Added fields liveout,
2814 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2815 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2816 (struct scop): Added field liveout_renames.
2817 (SCOP_LIVEOUT_RENAMES): New.
2819 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2821 PR tree-optimization/38510
2822 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2823 (translate_clast): Call recompute_all_dominators before
2825 (gloog): Call recompute_all_dominators before graphite_verify.
2827 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2828 Jan Sjodin <jan.sjodin@amd.com>
2830 PR tree-optimization/38500
2831 * graphite.c (create_sese_edges): Call fix_loop_structure after
2834 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2836 * config.gcc: Add m32r*-*-rtems*.
2837 * config/m32r/rtems.h: New file.
2839 2009-01-05 Ben Elliston <bje@au.ibm.com>
2841 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2842 (.po.pox): Likewise.
2843 (po/gcc.pot): Likewise.
2845 2009-01-04 David S. Miller <davem@davemloft.net>
2847 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2848 (STARTING_FRAME_OFFSET): Always set to zero.
2850 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2852 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2853 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2854 fixed-point types, and vectors of the same.
2856 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2858 * config/mips/sync.md (*mb_barrier): Rename to...
2859 (*memory_barrier): ...this.
2861 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2863 * doc/extend.texi (Function Attributes): Move @cindex after @item
2864 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2865 and put in alphabetical order. Fix 'target' name and put in order.
2866 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2869 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2871 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2872 (memory_barrier): Expand as unspec instead of unspec_volatile.
2873 Remove mem:BLK from insn operands. Use Pmode scratch register.
2874 (*memory_barrier): Define as unspec instead of unspec_volatile.
2875 Use (match_dup 0) as input operand.
2877 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2878 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2879 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2880 scratch register. Remove operand 1.
2881 (*stbar): Define as unspec instead of unspec_volatile.
2882 Use (match_dup 0) as input operand, remove (const_int 8).
2883 (*membar): Define as unspec instead of unspec_volatile.
2884 Use (match_dup 0) as input operand, remove input operand 2.
2886 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2887 (memory_barrier): Expand as unspec instead of unspec_volatile.
2888 Remove mem:BLK from insn operands. Use Pmode scratch register.
2889 (*memory_barrier): Define as unspec instead of unspec_volatile.
2890 Use (match_dup 0) as input operand.
2892 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2893 Remove mem:BLK from insn operands. Use Pmode scratch register.
2894 Set volatile flag on operand 0.
2895 (*memory_barrier): New insn pattern.
2897 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2899 (*memory_barrier): Use (match_dup 0) as input operand.
2901 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2902 Remove mem:BLK from insn operands. Use Pmode scratch register.
2903 Set volatile flag on operand 0.
2904 (*mb_internal): New insn pattern.
2906 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2908 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2911 * function.c (struct temp_slot): Move to the section of the file
2912 that deals with temp slots. Remove field 'address'.
2913 (temp_slot_address_table): New hash table of address -> temp slot.
2914 (struct temp_slot_address_entry): New struct, items for the table.
2915 (temp_slot_address_compute_hash, temp_slot_address_hash,
2916 temp_slot_address_eq, insert_temp_slot_address): Support functions
2918 (find_temp_slot_from_address): Rewrite to use the new hash table.
2919 (remove_unused_temp_slot_addresses): Remove addresses of temp
2920 slots that have been made available.
2921 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2922 worker function for remove_unused_temp_slot_addresses.
2923 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2924 Add the temp slot address to the address -> temp slot map.
2925 (update_temp_slot_address): Update via insert_temp_slot_address.
2926 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2927 (pop_temp_slots): Likewise.
2928 (init_temp_slots): Allocate the address -> temp slot map, or empty
2929 the map if it is already allocated.
2930 (prepare_function_start): Initialize temp slot processing.
2932 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2935 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2936 Calculate the size of all stack vars assuming no packing of stack
2937 vars will happen, replacing a quadratic algorithm with a linear one.
2939 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2942 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2945 2009-01-03 Diego Novillo <dnovillo@google.com>
2947 * doc/contrib.texi: Update contributions.
2949 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2952 * builtins.c (fold_builtin_memory_op): Give up if either operand
2953 is volatile. Set srctype or desttype to non-qualified version
2957 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2960 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2962 PR rtl-optimization/35805
2963 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2964 problem if fast dce is able to remove any instructions.
2965 * dce.c (dce_process_block): Fix dump message.
2967 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2970 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2972 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2975 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2976 * tree-pretty-print.c (op_code_prio): New function.
2977 (op_prio): No longer static. Use op_code_prio.
2978 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2979 Use op_prio and op_code_prio to determine if () should be
2980 printed around operand(s) or not.
2982 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2983 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2984 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2985 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2986 pp_character instead of pp_string for single letter printing.
2988 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2990 * doc/extend.texi: Fix '#pragma GCC option' typo.
2992 2009-01-02 Richard Guenther <rguenther@suse.de>
2994 * doc/install.texi (--enable-checking): Mention different
2996 (--enable-stage1-checking): Document.
2998 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3001 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3002 case to be an error.
3004 2009-01-02 Ben Elliston <bje@au.ibm.com>
3006 * config/fp-bit.h (pack_d): Constify argument.
3007 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3008 (isnan): Constify argument.
3012 (_fpadd_parts): Constify return type.
3013 (_fpmul_parts): Likewise.
3014 (_fpdiv_parts): Likewise.
3016 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3019 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3020 warn about overwriting initializer with side-effects or
3021 -Woverride-init if !IMPLICIT.
3022 (output_init_element): Likewise. Pass IMPLICIT down to
3024 (process_init_element): Add IMPLICIT argument. Pass it down
3025 to output_init_element.
3026 (push_init_element, pop_init_level, set_designator): Adjust
3027 process_init_element callers.
3028 (set_nonincremental_init, set_nonincremental_init_from_string):
3029 Adjust add_pending_init callers.
3030 (output_pending_init_elements): Adjust output_init_element callers.
3031 * c-tree.h (process_init_element): Adjust prototype.
3032 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3033 process_init_element callers.
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