1 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
4 * doc/extend.texi: Correct register behavior for regparm on
7 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
10 * config/i386/i386.c (ix86_function_regparm): Rewrite for
13 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
16 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
17 for ms->sysv ABI calls only in 64bit mode.
19 * config/i386/i386.md (untyped_call): Support 32bit.
21 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
23 * doc/extend.texi: Replace x86_65 with x86_64.
25 2009-03-16 Jakub Jelinek <jakub@redhat.com>
27 PR tree-optimization/39455
28 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
29 mismatches for POINTER_TYPE_P (type).
30 (number_of_iterations_le): Likewise.
32 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
34 * config/picochip/picochip.c: Removed profiling support.
35 * config/picochip/picochip.md: Removed profiling instruction.
36 * config/picochip/picochip.h: Removed profiling builtin.
38 2009-03-16 Joseph Myers <joseph@codesourcery.com>
40 * doc/install.texi (--with-host-libstdcxx): Document.
42 2009-03-14 Anatoly Sokolov <aesok@post.ru>
45 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
46 generate a warning if the function name does not begin with
47 "__vector" and the function has either the 'signal' or 'interrupt'
48 attribute, from here to ...
49 (avr_declare_function_name): ...here. New function.
50 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
51 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
53 2009-03-14 Jakub Jelinek <jakub@redhat.com>
56 * cse.c (fold_rtx): Don't modify original const_arg1 when
57 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
58 separate variable instead.
59 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
60 from out of range shift counts.
61 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
63 2008-03-13 Catherine Moore <clm@codesourcery.com>
65 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
66 diagnostic.h with $(DIAGNOSTIC_H).
68 2008-03-12 Jakub Jelinek <jakub@redhat.com>
71 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
73 * config/i386/sync.md (sync_compare_and_swap<mode>,
74 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
75 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
77 (sync_double_compare_and_swapdi_pic,
78 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
79 cmpxchg8b_pic_memory_operand instead of just memory_operand.
81 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
84 * config/i386/i386.c (ix86_expand_push): Don't set memory
87 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
90 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
91 (avx_addsubv4df3): Likewise.
92 (*avx_addsubv4sf3): Likewise.
93 (sse3_addsubv4sf3): Likewise.
95 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
98 * config/i386/i386.md: Compare REGNO on the new peephole2
101 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
104 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
105 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
106 registers for allocnos created from user-defined variables.
108 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
111 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
112 of non-integer mode as well.
114 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
116 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
117 for functions for which the parameter types are unknown.
119 2009-03-11 Jakub Jelinek <jakub@redhat.com>
122 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
124 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
125 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
126 * config/i386/i386.c (ix86_local_alignment): For
127 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
128 long long variables on the stack to avoid dynamic realignment.
129 Allow the first argument to be a decl rather than type.
130 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
132 2009-03-11 Nick Clifton <nickc@redhat.com>
135 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
137 Add description to mno-lsim option.
138 * config/mcore/mcore.h: Remove comment about deprecated m4align
140 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
141 * doc/invoke.texi: Add description of mno-lsim and
142 mstack-increment options.
144 * config/fr30/fr30.opt: Document the -mno-lsim option.
145 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
146 and -mno-lsim options.
148 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
150 * fold-const.c (fold_comparison): Only call fold_inf_compare
151 if the mode supports infinities.
153 2009-03-11 Jason Merrill <jason@redhat.com>
156 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
157 end already did. Notice GIMPLE_CALL modifications of the result.
158 Don't copy debug information from an ignored decl or a decl from
161 2009-03-10 Richard Guenther <rguenther@suse.de>
162 Nathan Froyd <froydnj@codesourcery.com>
165 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
167 (__divMODE3): Likewise.
169 2009-03-09 Jakub Jelinek <jakub@redhat.com>
171 PR tree-optimization/39394
172 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
173 DECL_SIZE_UNIT of variable length FIELD_DECLs.
175 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
177 * recog.c (verfiy_changes): Disallow renaming of hard regs in
178 inline asms for register asm ("") declarations.
180 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
182 * fold-const.c (fold_unary): Fix comment.
184 2009-03-07 Jan Hubicka <jh@suse.cz>
187 * tree-inline.c (setup_one_parameter): Do replacement of const argument
188 by constant in SSA form.
190 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
193 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
194 determine alignment passed to assign_stack_local.
195 (assign_parms_unsplit_complex): Likewise.
196 * except.c (sjlj_build_landing_pads): Likewise.
198 2009-03-06 Jakub Jelinek <jakub@redhat.com>
201 * tree-flow.h (add_referenced_var): Return bool instead of void.
202 * tree-dfa.c (add_referenced_var): Return result of
203 referenced_var_check_and_insert call.
204 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
205 of referenced_var_check_and_insert.
208 * dwarf2out.c (add_abstract_origin_attribute): Return
210 (gen_variable_die): Emit DW_AT_location on abstract static variable's
211 DIE, don't emit it if abstract origin already has it.
212 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
213 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
215 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
217 * genpreds.c: (needs_variable): Fix parentheses at variable name
219 (write_tm_constrs_h): Indent generated code.
221 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
223 * doc/extend.texi (Function Attributes): Add documentation
226 2009-03-06 Jakub Jelinek <jakub@redhat.com>
229 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
230 take locus from its DECL_SOURCE_LOCATION instead of input_location.
232 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
234 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
237 2009-03-05 Jakub Jelinek <jakub@redhat.com>
240 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
241 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
243 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
245 * config/i386/i386.md (R8_REG, R9_REG): New constants.
246 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
247 constants instead of magic numbers.
248 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
250 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
251 (x86_64_ms_abi_int_parameter_registers): Ditto.
252 (x86_64_int_return_registers): Ditto.
253 (ix86_maybe_switch_abi): Ditto.
254 (ix86_expand_call): Ditto for clobbered_registers array.
255 (ix86_hard_regno_mode_ok): Ditto.
256 (x86_extended_QIreg_mentioned_p): Ditto.
258 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
260 PR tree-optimization/39349
261 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
263 * combine.c (gen_lowpart_for_combine): Use omode when generating
266 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
268 PR rtl-optimization/39235
269 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
271 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
273 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
275 2009-03-04 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/39362
278 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
279 that occur in abnormal PHIs should be varying.
281 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
283 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
285 (simple_iv): Take loop as an argument instead of statement.
286 * tree-scalar-evolution.h (simple_iv): Declaration changed.
287 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
289 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
291 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
292 * matrix-reorg.c (analyze_transpose): Ditto.
293 * tree-data-ref.c (dr_analyze_innermost): Ditto.
294 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
295 * tree-predcom.c (ref_at_iteration): Ditto.
296 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
298 2009-03-04 Richard Guenther <rguenther@suse.de>
300 PR tree-optimization/39358
301 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
302 escaped_id and callused_id.
303 (solve_graph): Likewise.
305 2009-03-04 Richard Guenther <rguenther@suse.de>
307 PR tree-optimization/39339
308 * tree-sra.c (try_instantiate_multiple_fields): Make it
309 no longer ICE on the above.
311 2009-03-03 Joseph Myers <joseph@codesourcery.com>
313 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
314 that fits within Pmode.
316 2009-03-03 Steve Ellcey <sje@cup.hp.com>
319 * tm.texi (LIBCALL_VALUE): Update description.
321 2009-03-03 Steve Ellcey <sje@cup.hp.com>
324 * doc/extend.texi (section): Update description.
326 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
329 * tree-inline.c (remapped_type): New.
330 (can_be_nonlocal): Call remapped_type instead of remap_type.
332 2009-03-03 Jakub Jelinek <jakub@redhat.com>
335 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
336 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
338 2009-03-03 Richard Guenther <rguenther@suse.de>
341 * tree.c (tree_nonartificial_location): New function.
342 * tree.h (tree_nonartificial_location): Declare.
343 * builtins.c (expand_builtin_memory_chk): Provide location
344 of the call location for artificial function pieces.
345 (maybe_emit_chk_warning): Likewise.
346 (maybe_emit_sprintf_chk_warning): Likewise.
347 (maybe_emit_free_warning): Likewise.
348 * expr.c (expand_expr_real_1): Likewise.
350 2009-03-03 Jakub Jelinek <jakub@redhat.com>
352 PR tree-optimization/39343
353 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
354 COMPONENT_REF t has ARRAY_TYPE.
356 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
359 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
360 when the type precision of the induction variable should be
361 larger than the type precision of nit.
362 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
363 * graphite.c (graphite_loop_normal_form): Same.
364 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
366 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
368 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
369 (*call_1_rex64_ms_sysv): Use named constants instead of magic
370 numbers to describe clobbered registers.
371 (*call_value_0_rex64_ms_sysv): Ditto.
372 * config/i386/mmx.md (mmx_emms): Ditto.
375 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
377 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
380 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
382 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
383 (spu_section_type_flags): New function.
385 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
387 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
388 reg_class_contents of FLOAT_REGS into a temporary.
390 2009-03-02 Richard Guenther <rguenther@suse.de>
391 Ira Rosen <irar@il.ibm.com>
393 PR tree-optimization/39318
394 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
395 information to the vectorized statement.
397 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
399 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
400 variable. Use defined names instead of magic constants for REX SSE
403 2009-03-01 Richard Guenther <rguenther@suse.de>
405 PR tree-optimization/39331
406 * omp-low.c (lower_send_shared_vars): Do not receive new
407 values for the reference of DECL_BY_REFERENCE parms or results.
409 2009-03-01 Jan Hubicka <jh@suse.cz>
412 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
413 BLOCK_NONLOCALIZED_VAR): New macros.
414 (tree_block): Add nonlocalized_vars.
415 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
416 gen_decl_die): Add origin argument. Allow generation of die with
418 (gen_member_die, gen_type_die_with_usage, force_decl_die,
419 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
421 (gen_block_die): Fix checking for unused blocks.
422 (process_scope_var): Break out from .... ; work with origins only.
423 (decls_for_scope) ... here; process nonlocalized list.
424 (dwarf2out_ignore_block): Look for nonlocalized vars.
425 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
427 (dump_scope_block): Dump them.
428 * tree-inline.c (remap_decls): Handle nonlocalized vars.
429 (remap_block): Likewise.
430 (can_be_nonlocal): New predicate.
431 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
433 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
435 * configure: Regenerate.
437 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
439 * optc-gen.awk: No need to duplicate option flags twice.
440 Reuse help texts for duplicate options which do not have
443 * gcc.c (display_help): Document --version.
445 * gcc.c (main): If print_help_list and verbose_flag, ensure
446 driver output comes before subprocess output.
448 * optc-gen.awk: Assign all remaining fields to help string,
449 space-separated, for multi-line help in *.opt.
451 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
452 -Wno-pedantic-ms-format is for MinGW targets only.
454 * doc/options.texi (Option file format): Fix bad indentation,
455 restoring dropped sentence.
457 2009-02-28 Jan Hubicka <jh@suse.cz>
459 * tree-inline.c (tree_function_versioning): Output debug info.
461 2009-02-28 Jan Hubicka <jh@suse.cz>
464 * tree-inline.c (setup_one_parameter): Do not copy propagate
465 arguments when not optimizing.
467 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
470 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
471 (avx_addsubv4df3): Likewise.
472 (*avx_addsubv4sf3): Likewise.
473 (sse3_addsubv4sf3): Likewise.
474 (*avx_addsubv2df3): Likewise.
475 (sse3_addsubv2df3): Likewise.
476 (avx_unpckhps256): Correct item selectors.
477 (avx_unpcklps256): Likewise.
478 (avx_unpckhpd256): Likewise.
479 (avx_unpcklpd256): Likewise.
481 2009-02-28 Jan Hubicka <jh@suse.cz>
483 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
485 (copy_arguments_for_versioning): If var is declared don't declare it.
486 (tree_function_versioning): First setup substitutions and then copy
489 2009-02-27 Jan Hubicka <jh@suse.cz>
492 * cgraph.h (varpool_output_debug_info): Remove.
493 * cgraphunit.c (varpool_output_debug_info): Remove.
494 * dwarf2out.c (deferred_locations_struct): New struct
495 (deferred_locations): New type.
496 (deferred_locations_list): New static var.
497 (deffer_location): New function.
498 (gen_variable_die): Use it.
499 (decls_for_scope): Output info on local static vars.
500 (dwarf2out_finish): Process deferred locations.
501 * varpool.c (varpool_output_debug_info): Remove.
503 2009-02-27 Jan Hubicka <jh@suse.cz>
506 * tree.h (TREE_PROTECTED): Fix comment.
507 (BLOCK_HANDLER_BLOCK): Remove.
508 (struct tree_block): Remove handler_block add body_block.
509 (inlined_function_outer_scope_p): New.
510 (is_body_block): Remove.
511 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
512 * dwarf2out.c (is_inlined_entry_point): Remove.
513 (add_high_low_attributes): Use inlined_function_outer_scope_p.
514 (gen_block_die): Use is_inlined_entry_point check. Remove body block
516 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
517 * gimplify.c (gimplify_expr): Gimplify body blocks.
518 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
519 block with multiple subblocks.
520 (dump_scope_block): Prettier output; dump more flags and info.
521 (dump_scope_blocks): New.
522 (remove_unused_locals): Use dump_scope_blocks.
523 * tree-flow.h (dump_scope_blocks): Declare.
524 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
525 * stmt.c (is_body_block): Remove.
526 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
527 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
529 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
532 * graphite.c (graphite_loop_normal_form): Do not call
533 number_of_iterations_exit from a gcc_assert.
535 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
537 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
538 jumps if COND is NULL.
539 (find_cond_jump): New function.
540 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
541 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
543 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
545 * config/alpha/alpha.h (alpha_expand_mov): Return false if
546 force_const_mem returns NULL_RTX.
548 2009-02-26 Jan Hubicka <jh@suse.cz>
551 * cgraph.h (varpool_output_debug_info): Remove.
552 * cgraphunit.c (varpool_output_debug_info): Remove.
553 * dwarf2out.c (deferred_locations_struct): New struct
554 (deferred_locations): New type.
555 (deferred_locations_list): New static var.
556 (deffer_location): New function.
557 (gen_variable_die): Use it.
558 (decls_for_scope): Output info on local static vars.
559 (dwarf2out_finish): Process deferred locations.
560 * varpool.c (varpool_output_debug_info): Remove.
562 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
564 PR rtl-optimization/39241
565 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
566 to subreg_offset_representable_p.
568 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
570 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
571 execute function prototype. Get f and nregs from max_reg_num
572 and get_insns. Remove the first backward pass as it's dead,
573 guard the forward pass by flag_expensive_optimizations.
574 (rest_of_handle_regmove): Delete.
575 (pass_regmove): Replace it with regmove_optimize.
577 2009-02-25 Martin Jambor <mjambor@suse.cz>
579 PR tree-optimization/39259
580 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
581 calls_alloca function flags.
582 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
585 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
587 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
588 flags_set_1_rtx, flags_set_1_set): Delete.
589 (regmove_optimize): Do not call mark_flags_life_zones.
591 2009-02-24 Julian Brown <julian@codesourcery.com>
594 * config/arm/arm.c (require_pic_register): Only set
595 cfun->machine->pic_reg once per function.
597 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
599 * doc/invoke.texi (Link Options): Document an easier way to pass
600 options that take arguments to the GNU linker using -Xlinker and -Wl.
602 2009-02-24 Steve Ellcey <sje@cup.hp.com>
605 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
607 2009-02-24 Richard Guenther <rguenther@suse.de>
610 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
612 2009-02-24 Richard Guenther <rguenther@suse.de>
613 Zdenek Dvorak <ook@ucw.cz>
615 PR tree-optimization/39233
616 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
617 from converting them to a generic type.
619 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
621 PR tree-optimization/39260
622 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
623 contains a condition with a real type.
624 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
626 2009-02-23 Jason Merrill <jason@redhat.com>
629 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
630 narrowing_initializer_constant_valid_p.
631 (narrowing_initializer_constant_valid_p): Don't return
632 null_pointer_node for adding a pointer to itself.
634 2009-02-23 Jan Hubicka <jh@suse.cz>
637 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
640 2009-02-23 Jan Hubicka <jh@suse.cz>
642 PR tree-optimization/37709
643 * tree.c (block_ultimate_origin): Move here from dwarf2out.
644 * tree.h (block_ultimate_origin): Declare.
645 * dwarf2out.c (block_ultimate_origin): Move to tree.c
646 * tree-ssa-live.c (remove_unused_scope_block_p):
647 Eliminate blocks containig no instructions nor live variables nor
649 (dump_scope_block): New function.
650 (remove_unused_locals): Enable removal of dead blocks by default;
651 enable dumping at TDF_DETAILS.
653 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
655 * config/i386/i386.c (classify_argument): Don't allow COImode
657 (function_arg_advance_32): Don't allow OImode.
658 (function_arg_32): Likewise.
659 (function_value_32): Likewise.
660 (return_in_memory_32): Likewise.
661 (function_arg_64): Remove OImode comment.
663 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
666 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
667 ix86_expand_vector_set for V4DImode in 64bit mode only.
668 (ix86_expand_vector_init_one_var): Likewise.
670 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
672 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
674 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
677 * loop-iv.c: Revert last change.
678 * emit-rtl.c: Likewise.
680 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
683 * config/i386/i386.c (type_natural_mode): Remove an extra
684 space in the warning message.
685 (function_value_32): Handle 32-byte vector modes.
686 (return_in_memory_32): Likewise.
688 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
690 * loop-iv.c (truncate_value): New function.
691 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
693 (lowpart_subreg): Move to...
694 * emit-rtl.c: ...here.
696 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
698 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
699 accidental and undocumented change at revision 140860.
701 2009-02-21 Joseph Myers <joseph@codesourcery.com>
703 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
704 take gimple_seq * arguments.
705 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
706 types_compatible_p langhook.
708 2009-02-20 Mark Mitchell <mark@codesourcery.com>
709 Joseph Myers <joseph@codesourcery.com>
711 * config/arm/arm.c (arm_builtin_va_list): New function.
712 (arm_expand_builtin_va_start): Likewise.
713 (arm_gimplify_va_arg_expr): Likewise.
714 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
715 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
716 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
717 (va_list_type): New variable.
718 (arm_mangle_type): Mangle va_list_type appropriately.
720 2009-02-20 Jakub Jelinek <jakub@redhat.com>
723 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
724 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
725 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
726 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
727 parameter to 1000 for -O1 by default.
728 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
730 * loop-invariant.c: Include params.h.
731 (move_loop_invariants): Don't call move_single_loop_invariants on
734 2009-02-20 Jaka Mocnik <jaka@xlab.si>
736 * calls.c (emit_library_call_value_1): Use slot_offset instead of
737 offset when calculating bounds for indexing stack_usage_map. Fixes
738 a buffer overflow with certain target setups.
740 2009-02-20 Jakub Jelinek <jakub@redhat.com>
743 * calls.c (expand_call): Clear try_tail_call if caller and callee
744 disagree in promotion of function return value.
746 2009-02-19 Jakub Jelinek <jakub@redhat.com>
749 * c-common.c (c_determine_visibility): If visibility changed and
750 DECL_RTL has been already set, call make_decl_rtl to update symbol
753 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
756 * varasm.c (assemble_variable): Don't check DECL_NAME when
757 globalizing a variable.
759 2009-02-19 Joseph Myers <joseph@codesourcery.com>
762 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
763 expression before any __builtin_trap call.
764 * c-typeck.c (build_function_call): Convert and check function
765 arguments before generating a call to a trap. Evaluate the
766 function arguments before the trap.
768 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
771 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
772 (UNSPEC_FXAM_MEM): New unspec.
773 (fxam<mode>2_i387_with_temp): New insn and split pattern.
774 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
775 memory using fxam<mode>2_i387_with_temp to remove excess precision.
777 2009-02-19 Richard Guenther <rguenther@suse.de>
779 PR tree-optimization/39207
780 PR tree-optimization/39074
781 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
782 storedanything_tree): New.
783 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
784 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
785 (build_succ_graph): Add edges from STOREDANYTHING to all
787 (init_base_vars): Initialize STOREDANYTHING.
788 (compute_points_to_sets): Free substitution info after
789 building the succ graph.
790 (ipa_pta_execute): Likewise.
792 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
794 (do_ds_constraint): Do not add to special var or non-pointer
796 (type_could_have_pointers): Split out from ...
797 (could_have_pointers): ... here. For arrays use the element type.
798 (create_variable_info_for): Initialize may_have_pointers.
799 (new_var_info): Likewise.
800 (handle_lhs_call): Make the HEAP variable unknown-sized.
801 (intra_create_variable_infos): Use a type with pointers for
802 PARM_NOALIAS, make it unknown-sized.
804 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
807 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
809 2009-02-18 Jason Merrill <jason@redhat.com>
812 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
813 value if DECL_EXTERNAL.
814 * tree-sra.c (sra_walk_gimple_assign): Likewise.
815 * target.h (gcc_target::binds_local_p): Clarify "module".
816 * tree.h (TREE_PUBLIC): Clarify "module".
818 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
821 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
822 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
824 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
827 * c.opt (Wabi): Support C and ObjC.
830 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
832 * config/i386/i386.c (classify_argument): Warn once about the ABI
833 change when passing union with long double.
835 * doc/invoke.texi: Update -Wabi for warning psABI changes.
837 2009-02-18 Joseph Myers <joseph@codesourcery.com>
840 * c-parser.c (c_parser_compound_statement): Always enter and leave
843 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
846 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
848 2009-02-18 Jakub Jelinek <jakub@redhat.com>
850 PR tree-optimization/36922
851 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
852 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
855 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
857 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
860 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
862 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
864 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
866 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
869 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
870 Richard Sandiford <rdsandiford@googlemail.com>
872 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
873 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
874 (loongson_biadd): ...this.
876 2009-02-17 Richard Guenther <rguenther@suse.de>
878 PR tree-optimization/39202
879 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
880 a var make sure to follow existing collapses.
882 2009-02-17 Richard Guenther <rguenther@suse.de>
885 * langhooks.c (lhd_print_error_function): Check for NULL block.
887 2009-02-17 Richard Guenther <rguenther@suse.de>
889 PR tree-optimization/39204
890 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
893 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
895 * config/soft-fp/double.h: Update from glibc CVS.
897 2009-02-17 Richard Guenther <rguenther@suse.de>
899 PR tree-optimization/39207
900 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
901 strict-aliasing warnings for pointers pointing to NULL.
903 2009-02-16 Joseph Myers <joseph@codesourcery.com>
906 * c-parser.c (c_parser_braced_init): Call pop_init_level when
907 skipping until next close brace.
909 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
912 * config/i386/i386.c (ix86_expand_push): Set memory alignment
913 to function argument boundary.
915 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
917 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
918 in the lea_add. Reload eventually constraints it properly.
919 * config/picochip/constraints.md : Remove the target constraint
920 "b", since it is not needed anymore.
922 2009-02-16 Jakub Jelinek <jakub@redhat.com>
924 * gthr-dce.h: Uglify function parameter and local variable names.
925 * gthr-gnat.h: Likewise.
926 * gthr-mipssde.h: Likewise.
927 * gthr-nks.h: Likewise.
928 * gthr-posix95.h: Likewise.
929 * gthr-posix.h: Likewise.
930 * gthr-rtems.h: Likewise.
931 * gthr-single.h: Likewise.
932 * gthr-solaris.h: Likewise.
933 * gthr-tpf.h: Likewise.
934 * gthr-vxworks.h: Likewise.
935 * gthr-win32.h: Likewise.
937 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
940 * config/i386/i386.md: Restrict the new peephole2 to move
941 between MMX/SSE registers.
943 2009-02-15 Richard Guenther <rguenther@suse.de>
946 2009-02-13 Richard Guenther <rguenther@suse.de>
948 * configure.ac: Enable LFS.
949 * configure: Re-generate.
950 * config.in: Likewise.
952 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
954 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
955 spu_srqwbyte, spu_srqwbytebc): Define.
956 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
957 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
958 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
959 "shrqby_<mode>"): New insn-and-split patterns.
960 * config/spu/spu.c (expand_builtin_args): Determine and return
961 number of operands using spu_builtin_description data.
962 (spu_expand_builtin_1): Use it.
964 2009-02-13 Steve Ellcey <sje@cup.hp.com>
967 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
970 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
973 * config/i386/i386.c (override_options): Correct warning
974 messages for -malign-loops, -malign-jumps and -malign-functions.
976 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
979 * config/i386/i386.md: Restrict the new peephole2 to move
980 between the general purpose registers.
982 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
985 * config/i386/i386.c (type_natural_mode): Add a new argument.
986 Return the original mode and warn ABI change if vector size is 32byte.
987 (function_arg_advance): Updated.
988 (function_arg): Likewise.
989 (ix86_function_value): Likewise.
990 (ix86_return_in_memory): Likewise.
991 (ix86_sol10_return_in_memory): Likewise.
992 (ix86_gimplify_va_arg): Likewise.
993 (function_arg_32): Don't warn ABX ABI change here.
994 (function_arg_64): Likewise.
996 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
998 * loop-iv.c (implies_p): In the final case, test that operands 0
999 of the two comparisons match.
1001 * config/bfin/bfin.c (find_prev_insn_start): New function.
1002 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1003 (find_next_insn_start): Move.
1005 2009-02-13 Richard Guenther <rguenther@suse.de>
1007 * configure.ac: Enable LFS.
1008 * configure: Re-generate.
1009 * config.in: Likewise.
1011 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1014 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1015 sizes on syntax error after some arguments have been parsed.
1017 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1019 * doc/invoke.texi (-fira): Remove.
1021 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1023 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1024 * recog.c: Likewise.
1027 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1029 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1030 (umul_ppmm): Likewise.
1031 (count_leading_zeros): Likewise.
1032 (count_trailing_zeros): Likewise.
1033 (UMUL_TIME): Likewise.
1035 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1037 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1038 soft-fp/t-softfp to tmake_file.
1040 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1041 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1042 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1043 IA64_BUILTIN_INFQ]: New.
1044 (ia64_init_builtins): Initialize __builtin_infq,
1045 __builtin_fabsq and __builtin_copysignq if not HPUX.
1046 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1047 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1049 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1051 (__fixtfti): Likewise.
1052 (__fixunstfti): Likewise.
1053 (__floattitf): Likewise.
1055 * config/ia64/libgcc-glibc.ver: New.
1056 * config/ia64/t-fprules-softfp: Likewise.
1057 * config/ia64/sfp-machine.h: Likewise.
1059 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1060 (LIBGCC2_TF_CEXT): Likewise.
1061 (TF_SIZE): Likewise.
1062 (TARGET_INIT_LIBFUNCS): Likewise.
1064 * config/ia64/t-glibc (SHLINB_MAPFILES):
1065 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1067 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1069 * config/i386/i386.c (construct_container): Rewrite processing
1070 BLKmode with X86_64_SSE_CLASS.
1072 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1075 * config/i386/i386.md: Replace simplify_replace_rtx with
1076 replace_rtx in the new peephole2.
1078 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1080 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1081 loop unrolling do not happen at -O2.
1083 2009-02-12 Michael Matz <matz@suse.de>
1085 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1087 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1089 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1092 2009-02-12 Ben Elliston <bje@au.ibm.com>
1094 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1095 patterns when updating the back chain. Missed in the 2009-02-10
1098 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1100 * doc/extend.texi (Decimal Floating Types): Update identifier of
1101 draft TR and list of missing support.
1103 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1106 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1107 bit to variable length decl's flags, add it also to its
1108 pointer replacement variable.
1110 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1111 Jakub Jelinek <jakub@redhat.com>
1114 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1115 (memory_blockage): New expander.
1116 (*memory_blockage): New insn pattern.
1117 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1118 instead of general blockage at the end of function prologue when
1119 frame pointer is used to access red zone area. Do not emit blockage
1120 when profiling, it is emitted in generic code.
1121 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1122 function epilogue when frame pointer is used to access red zone area.
1124 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1127 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1128 by arithmetic with memory operands.
1129 * config/i386/predicates.md (commutative_operator): New.
1131 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1133 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1136 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1138 * alias.h (record_alias_subset): Declare.
1139 * alias.c (record_alias_subset): Make global.
1141 2009-02-10 Nick Clifton <nickc@redhat.com>
1143 * tree-parloops.c: Change license to GPLv3.
1144 * ipa-struct-reorg.c: Change license to GPLv3.
1145 * ipa-struct-reorg.h: Change license to GPLv3.
1147 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1150 * c-decl.c (start_struct): Return NULL on error.
1152 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1155 * cfgloopmanip.c (remove_path): Call remove_bbs after
1156 cancel_loop_tree, not before it.
1159 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1160 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1161 VAR_DECLs were seen.
1162 * tree-ssa-live.c (remove_unused_locals): Recompute
1163 cfun->has_local_explicit_reg_vars.
1164 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1165 copies or clearings if cfun->has_local_explicit_reg_vars.
1167 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1170 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1171 of function prologue when frame pointer is used to access
1174 2009-02-10 Richard Guenther <rguenther@suse.de>
1177 * gimplify.c (gimple_regimplify_operands): Always look if
1178 we need to create a temporary.
1180 2009-02-10 Richard Guenther <rguenther@suse.de>
1182 PR tree-optimization/39132
1183 * tree-loop-distribution.c (todo): New global var.
1184 (generate_memset_zero): Trigger TODO_rebuild_alias.
1185 (tree_loop_distribution): Return todo.
1187 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1190 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1191 (x86_64_reg_class_name): Removed.
1192 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1193 first one isn't X86_64_SSE_CLASS or any other ones aren't
1194 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1195 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1196 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1197 and 3 X86_64_SSEUP_CLASS.
1198 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1199 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1201 2009-02-10 Ben Elliston <bje@au.ibm.com>
1203 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1204 form instruction to update the stack back chain word, even if the
1205 user has disabled the generation of update instructions.
1206 (movdi_<mode>_update_stack): New.
1207 (movsi_update_stack): Likewise.
1208 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1209 always use an update form instruction to update the stack back
1212 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1215 * graphite.c (if_region_set_false_region): After moving a region in
1216 the false branch of a condition, remove the empty dummy basic block.
1217 (gloog): Remove wrong fix for PR38953.
1219 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1221 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1222 generation due to implicit sign extension.
1224 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1227 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1228 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1230 2009-02-09 Richard Guenther <rguenther@suse.de>
1233 * convert.c (convert_to_real): Disable (float)fn((double)x)
1234 to fnf(x) conversion if errno differences may occur and
1235 -fmath-errno is set.
1237 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1239 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1240 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1241 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1243 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1246 * c-common.c (handle_alias_attribute): Disallow attribute for
1247 anything not a FUNCTION_DECL or VAR_DECL.
1249 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1252 * real.c (do_compare): Special-case compare of zero against
1253 decimal float value.
1255 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1258 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1259 as indicating flexible array members unless the field itself is
1260 being declarared as the incomplete array.
1262 2009-02-06 Jan Hubicka <jh@suse.cz>
1264 PR tree-optimization/38844
1265 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1268 2009-02-06 Richard Guenther <rguenther@suse.de>
1271 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1272 fork because we may expand it as __gcov_fork.
1274 2009-02-06 Nick Clifton <nickc@redhat.com>
1276 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1278 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1280 PR tree-optimization/35659
1281 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1282 vn_phi_eq): Shortcut if hashcode does not match.
1283 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1285 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1286 and avoid iterative_hash_expr.
1287 (FOR_EACH_VALUE_ID_IN_SET): New.
1288 (value_id_compare): Remove.
1289 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1290 sort expressions by value id.
1292 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1295 * config/sh/predicates.md (general_movsrc_operand): Don't check
1296 the subreg of system registers here.
1298 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1301 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1304 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1306 PR rtl-optimization/39110
1307 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1308 addresses, not aligned ones.
1310 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1311 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/39100
1314 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1315 comment says and add edges.
1317 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1320 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1321 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1323 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1325 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1326 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1327 register_bb_in_sese, new_sese, free_sese): Moved.
1328 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1329 outermost_loop_in_scop, build_scop_iteration_domain,
1330 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1331 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1332 Use loop_in_sese_p instead of loop_in_scop_p.
1333 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1334 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1335 (scopdet_basic_block_info): Fix bug in scop detection.
1336 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1337 eq_loop_to_cloog_loop): Remove.
1338 (nb_loops_around_loop_in_scop, nb_loop
1339 ref_nb_loops): Moved here...
1340 * graphite.h (ref_nb_loops): ... from here.
1341 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1342 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1343 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1344 * testsuite/gcc.dg/graphite/scop-19.c: New
1346 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1347 Hans-Peter Nilsson <hp@axis.com>
1349 PR rtl-optimization/37889
1350 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1351 Move offset handling from PLUS to before the switch. Use new
1352 arguments when considering SYMBOL_REFs too.
1353 (rtx_addr_can_trap_p): Pass dummy offset and size.
1354 (enum may_trap_p_flags): Remove.
1355 (may_trap_p_1): Pass size from MEM_SIZE.
1357 PR rtl-optimization/38921
1358 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1359 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1360 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1361 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1363 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1365 AVX Programming Reference (January, 2009)
1366 * config/i386/sse.md (*vpclmulqdq): New.
1368 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1370 PR tree-optimization/38977
1371 PR gcov-profile/38292
1372 * calls.c (special_function_p): Disregard __builtin_ prefix.
1374 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1376 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1377 non-indexable addresses even before reload.
1379 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1382 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1383 as having variable size. Do not give an error for unnamed
1384 parameters with [*] declarators. Give a warning for type names
1385 with [*] declarators and mark them as variable size.
1386 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1387 for sizeof applied to [*] type names.
1389 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1392 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1394 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1396 * gcc.c (process_command): Update copyright notice dates.
1397 * gcov.c (print_version): Likewise.
1398 * gcov-dump.c (print_version): Likewise.
1399 * mips-tfile.c (main): Likewise.
1400 * mips-tdump.c (main): Likewise.
1402 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1405 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1406 for composite type involving a zero-length array type.
1408 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1411 * function.c (match_asm_constraints_1): Skip over
1412 initial optional % in the constraint.
1415 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1416 supported, don't accept FIXED_CSTs.
1417 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1418 and _Sat is used without _Fract/_Accum. Set specs->type to
1419 integer_type_node for cts_fract/cts_accum if fixed point is not
1422 2009-02-02 Catherine Moore <clm@codesourcery.com>
1424 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1426 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1428 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1429 (ABI_HAS_64BIT_SYMBOLS): Use it.
1430 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1432 2009-02-02 Paul Brook <paul@codesourcery.com>
1434 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1436 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1439 * recog.h (asm_operand_ok): Add constraints argument.
1440 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1441 recurse on matching constraint.
1442 (check_asm_operands): Pass constraints as 3rd argument to
1443 asm_operand_ok. Don't look up matching constraint here.
1444 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1447 2009-02-02 Ben Elliston <bje@au.ibm.com>
1449 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1450 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1452 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1454 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1455 information. Remove some obsolete information. Reorganize.
1457 * config/pa/fptr.c: Revert license to GPL 2.
1458 * config/pa/milli64.S: Likewise.
1460 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1463 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1464 LIBRARY name in, instead of hard-coding it.
1465 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1466 extra target make frag to tmake_files according to EH model.
1467 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1468 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1469 frags that define makefile variable EH_MODEL appropriately.
1470 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1471 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1472 to "-sjlj" according to type of EH configured.
1473 (LIBGCC_SONAME): Concatenate it to shared library base name.
1474 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1475 to "_sjlj" according to type of EH configured.
1476 (LIBGCC_SONAME): Concatenate it to shared library base name.
1477 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1478 (SHLIB_LINK): Add missing semicolon to if-else construct.
1479 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1480 string value of "pe_dll" command-line option.
1481 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1482 (SHLIB_SONAME): Use it when overriding t-cygming default.
1483 (SHLIB_IMPLIB): Override t-cygming default.
1484 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1485 string value of "pe_dll" command-line option.
1487 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1490 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1491 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1493 2009-01-31 Richard Guenther <rguenther@suse.de>
1495 PR tree-optimization/38937
1496 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1497 computing the transitive closure.
1499 2009-01-30 Richard Guenther <rguenther@suse.de>
1501 PR tree-optimization/39041
1502 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1503 Propagate variable indices only if the types match for this stmt.
1505 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1508 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1509 inline but never defined.
1511 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1513 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1514 (*insv_h_di_reg_extimm): New insn.
1515 (*insv_l<mode>_reg_extimm): New insn.
1517 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1519 * config/picochip/picochip.c (flag_conserve_stack): set
1520 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1521 fconserve-stack. Reduce call-overhead used by inliner.
1523 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1526 * common.opt (flag_conserve_stack): Initialised to zero.
1528 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1531 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1532 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1535 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1537 * ira-color.c (allocno_reload_assign): Update comments.
1538 * regmove.c (regmove_optimize): Likewise.
1542 2009-01-29 Robert Millan <rmh@aybabtu.com>
1544 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1545 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1546 `MD_UNWIND_SUPPORT'.
1547 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1549 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1551 PR tree-optimization/39007
1552 * tree-loop-distribution.c (generate_builtin): Use
1553 recompute_dominator to compute the immediate dominator of the
1554 basic block just after the loop.
1556 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1558 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1559 (ASM_OUTPUT_DWARF_PCREL): Define.
1561 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1563 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1564 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1565 global. Modify entries about regmove and IRA.
1567 * ra-conflict.c: Remove the file.
1569 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1571 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1572 (pass_regclass_init): Rename to pass_reginfo_init.
1574 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1576 * toplev.h (flag_ira): Remove.
1578 * caller-save.c (setup_save_areas): Remove flag_ira.
1580 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1582 * global.c: Remove the file.
1584 * opts.c: (decode_options): Remove flag_ira.
1586 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1588 * regmove.c: Modify file description.
1589 (find_use_as_address, try_auto_increment): Define them only if
1590 AUTO_INC_DEC is defined.
1591 (replacement_quality, replace_in_call_usage, fixup_match_1,
1592 stable_and_no_regs_but_for_p): Remove.
1593 (reg_set_in_bb): Make it static.
1594 (regmove_optimize): Remove flag_ira and code which worked for
1597 * local-alloc.c: Remove the file.
1599 * common.opt (fira): Remove.
1601 * ira.c: Include except.h.
1602 (eliminable_regset): Move from global.c.
1603 (mark_elimination): Ditto. Remove flag_ira.
1604 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1605 equiv_mem_modified, validate_equiv_mem_from_store,
1606 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1607 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1608 no_equiv, recorded_label_ref): Move from local-alloc.c.
1609 (update_equiv_regs): Ditto. Make it static.
1610 (print_insn_chain, print_insn_chains): Move it from global.c.
1611 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1612 (build_insn_chain): Ditto. Make it static.
1613 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1614 Rename to init_live_subregs.
1615 (gate_ira): Remove flag_ira.
1617 * regclass.c: Rename reginfo.c. Change file description.
1618 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1619 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1620 (init_reg_sets_1): Remove code for evaluation of
1621 reg_class_superclasses and losing_caller_save_reg_set.
1622 (init_regs): Remove init_reg_autoinc.
1623 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1624 ok_for_base_p_nonstrict): Remove.
1625 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1626 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1627 corresponding entries.
1628 (dump_regclass, record_operand_costs, scan_one_insn,
1629 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1630 record_address_regs, auto_inc_dec_reg_p): Remove.
1631 (gt-regclass.h): Rename to gt-reginfo.h.
1633 * rtl.h (dump_global_regs, retry_global_alloc,
1634 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1636 * Makefile.in (RA_H): Remove.
1637 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1638 Rename regclass.o to reginfo.o.
1639 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1641 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1642 (GTFILES): Rename regclass.c to reginfo.c.
1644 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1645 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1647 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1648 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1650 (finish_spills): Ditto. Remove code for !flag_ira.
1652 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1655 * doc/invoke.texi (rtl debug options): Complete rewrite.
1656 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1658 * mode-switching.c (pass_mode_switching): Rename pass from
1659 "mode-sw" to "mode_sw".
1660 * except.c (pass_convert_to_eh_ranges): Rename pass from
1661 "eh-ranges" to "eh_ranges".
1662 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1666 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1667 Alexander Monakov <amonakov@ispras.ru>
1670 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1672 (move_exprs_to_boundary): Change return type and pass through
1673 should_move from move_op. Relax assert. Update usage ...
1674 (schedule_expr_on_boundary): ... here. Use should_move instead of
1676 (move_op_orig_expr_found): Indicate that insn was disconnected from
1678 (code_motion_process_successors): Do not call after_merge_succs
1679 callback if original expression was not found when traversing any of
1681 (code_motion_path_driver): Change return type. Update prototype.
1682 (move_op): Update comment. Add a new parameter (should_move). Update
1683 prototype. Set *should_move based on indication provided by
1684 move_op_orig_expr_found.
1686 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1688 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1689 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1690 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1691 * config/rs6000/rs6000.c (rs6000_override_options): Default
1692 avoid-indexed-addresses on for Power6, off for everything else.
1693 (avoiding_indexed_address_p): New function.
1694 (rs6000_legitimize_address): Use it.
1695 (rs6000_legitimate_address): Likewise.
1696 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1698 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1700 PR tree-optimization/38997
1701 * tree-loop-distribution.c (generate_memset_zero): Use
1702 POINTER_PLUS_EXPR for a pointer addition.
1704 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1706 * config/s390/s390.md (bswap<mode>2): New pattern added.
1708 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1710 * config/s390/s390.md (*tls_load_31): Added type attribute.
1712 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1714 * config/s390/s390.md: Fix a few comments.
1716 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1718 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1719 (*tm<mode>_full): Fixed z10prop attribute.
1720 (*tst<mode>_extimm): Fixed z10prop attribute.
1721 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1722 (*tstqiCCT_cconly): Fixed z10prop attribute.
1723 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1724 (*movsi_larl): Fixed z10prop attribute.
1725 (*movsi_zarch): Fixed z10prop attribute.
1726 (*movsi_eas): Fixed z10prop attribute.
1727 (*movhi): Fixed z10prop attribute.
1728 (*movqi): Fixed z10prop attribute.
1729 (*movstrictqi): Fixed z10prop attribute.
1730 (*mov<mode>): Fixed z10prop attribute.
1731 (*movcc): Fixed z10prop attribute.
1732 (*sethighpartdi_64): Fixed z10prop attribute.
1733 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1734 (*negdi2_sign_cc): Fixed z10prop attribute.
1735 (*negdi2_sign): Fixed z10prop attribute.
1736 (*absdi2_sign_cc): Fixed z10prop attribute.
1737 (*absdi2_sign): Fixed z10prop attribute.
1738 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1739 (*negabsdi2_sign): Fixed z10prop attribute.
1740 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1741 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1742 (doloop_si64): Fixed z10prop attribute.
1743 (doloop_si31): Fixed z10prop attribute.
1744 (doloop_long): Fixed z10prop attribute.
1745 (indirect_jump): Fixed z10prop attribute.
1746 (nop): Fixed z10prop attribute.
1747 (main_base_64): Fixed z10prop attribute.
1748 (reload_base_64): Fixed z10prop attribute.
1750 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1752 PR rtl-optimization/38740
1753 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1755 * config/mips/mips.c (mips_reorg): Likewise.
1757 2009-01-28 Richard Guenther <rguenther@suse.de>
1759 PR tree-optimization/38926
1760 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1761 with the correct value id to a value.
1762 (do_regular_insertion): Use the value number of edoubleprime
1763 for the value number of the expr.
1766 2008-08-21 Richard Guenther <rguenther@suse.de>
1768 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1769 a PHI ask VN if it is already available.
1770 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1771 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1773 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1776 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1777 set to varying whenever max has TREE_OVERFLOW set, similarly
1778 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1780 2009-01-28 Richard Guenther <rguenther@suse.de>
1783 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1784 uninitialized aggregate uses in call arguments.
1786 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1788 PR tree-optimization/38984
1789 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1790 the nothing_id variable if -fno-delete-null-pointer-checks.
1792 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1795 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1796 (set_got_offset_rex64): Ditto.
1798 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1801 * doc/extend.texi: Improve local variable with asm reg.
1803 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1805 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1806 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1807 was not supplied then set warn_packed_bitfield_compat to the
1809 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1812 2009-01-27 Richard Guenther <rguenther@suse.de>
1814 PR tree-optimization/38503
1815 * cfgexpand.c (expand_gimple_basic_block): Ignore
1816 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1817 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1818 variables that cannot have TBAA applied.
1819 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1822 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1825 * calls.c (initialize_argument_information): Do not wrap complex
1826 arguments in SAVE_EXPR.
1828 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1830 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1831 (INSTALL_LIBGCC): Revert typo commit.
1833 2009-01-26 Richard Guenther <rguenther@suse.de>
1835 PR tree-optimization/38745
1836 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1837 from special handling.
1839 2009-01-26 Richard Guenther <rguenther@suse.de>
1841 PR tree-optimization/38745
1842 * tree-ssa.c (execute_update_addresses_taken): Do not include
1843 variables that cannot possibly be a register in not_reg_needs.
1844 Do not clear TREE_ADDRESSABLE on vars that may not become
1846 * tree-ssa.c (update_alias_info_1): Include those in the set
1847 of addressable vars.
1849 2009-01-26 Richard Guenther <rguenther@suse.de>
1852 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1853 * tree-ssa-dse.c: Include langhooks.h
1854 (execute_simple_dse): Remove stores with zero size.
1856 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1859 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1862 2009-01-24 Julian Brown <julian@codesourcery.com>
1864 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1865 config/arm/linux-atomic.c.
1866 * config/arm/linux-atomic.c: New.
1868 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1870 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1871 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1872 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1874 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1877 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1880 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1882 PR tree-optimization/38953
1883 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1884 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1885 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1886 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1889 2009-01-24 Paul Brook <paul@codesourcery.com>
1891 * config/arm/neon.md (neon_type): Move to arm.md.
1892 (neon_mov<VSTRUCT>): Add neon_type attribute.
1893 * config/arm/arm.md (neon_type): Move to here.
1894 (conds): Add "unconditioal" and use as default for NEON insns.
1896 2009-01-24 Ben Elliston <bje@au.ibm.com>
1898 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1899 void *' warning from -Wc++-compat.
1900 * Makefile.in (dominance.o-warn): Remove.
1902 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1904 PR tree-optimization/38932
1905 * fold-const.c (fold_unary_ignore_overflow): New.
1906 * tree.h (fold_unary_ignore_overflow): Declare.
1907 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1908 * tree-ssa-sccvn.c (visit_reference_op_load,
1909 simplify_unary_expression): Likewise.
1911 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1913 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1914 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1915 regardless of their type.
1916 * c-common.c (handle_packed_attribute): Don't ignore packed on
1918 * c.opt (Wpacked-bitfield-compat): New warning option.
1919 * stor-layout.c (place_field): Warn if offset of a field changed.
1920 * doc/extend.texi (packed): Mention the ABI change.
1921 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1922 (Warning Options): Add it to the list.
1924 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1926 * c-opts.c (c_common_post_options): Fix a typo in comments.
1928 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1931 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1932 variables to static.
1933 * doc/invoke.texi (-fmerge-all-constants): Update description.
1935 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1938 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1939 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1941 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1943 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1945 (LOCAL_ALIGNMENT): Similarly.
1947 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1948 Joseph Myers <joseph@codesourcery.com>
1950 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1951 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1952 * config/arm/arm-tune.md: Regenerate.
1953 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1956 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1958 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1959 version number to five.
1961 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1964 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1965 * c-common.c (set_underlying_type): Likewise.
1966 (is_typedef_decl ): Likewise
1968 (set_underlying_type): Likewise.
1969 (is_typedef_type): Likewise.
1971 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1974 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1977 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1980 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1981 (LIBGCC_SPEC): Don't define.
1982 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1984 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1986 PR rtl-optimization/38879
1987 * alias.c (base_alias_check): Unaligned access via AND address can
1988 alias all surrounding object types except those with sizes equal
1989 or wider than the size of unaligned access.
1991 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1994 * c-decl.c: (clone_underlying_type): Move this ...
1995 * c-common.c (set_underlying_type): ... here.
1996 Also, make sure the function properly sets TYPE_STUB_DECL() on
1997 the newly created typedef variant type.
1998 (is_typedef_decl ): New entry point.
1999 * tree.h: Added a new member member_types_needing_access_check to
2000 struct tree_decl_non_common.
2001 (set_underlying_type): New entry point.
2002 (is_typedef_type): Likewise.
2004 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2006 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2007 Check whether two instructions have memory references that
2008 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2009 are helper functions for traversing.
2010 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2011 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2012 not to draw dependency edge for instructions with non-conflicting
2015 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2018 * longlong.h: Update copyright years. Use soft-fp license notice.
2019 Sync __clz_tab declaration with glibc.
2021 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2024 * doc/extend.texi (syscall_linkage): New.
2025 (version_id): Modify.
2027 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2028 Richard Guenther <rguenther@suse.de>
2030 PR tree-optimization/38747
2031 PR tree-optimization/38748
2032 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2033 conversion if the base address is an indirect reference and the
2034 aliasing sets could cause issues.
2036 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2038 * common.opt (fgraphite, fgraphite-identity): Add comment for
2039 explaining why these options are not documented.
2041 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2043 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2044 gimple_call_lhs is NULL.
2046 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2049 * emit-rtl.c (adjust_address_1): Make sure memref is never
2052 2009-01-20 Ben Elliston <bje@au.ibm.com>
2054 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2055 const qualifier from arg parameter. Remove unnecessary cast to char *.
2056 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2057 const qualifier from arg 2.
2059 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2061 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2063 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2066 * rtl.h (reinit_regs): New prototype.
2067 * regclass.c: Include ira.h.
2069 * Makefile.in (regclass.o): Add ira.h.
2070 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2072 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2075 * c-common.c (handle_aligned_attribute): Use
2076 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2077 default alignment value.
2079 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2081 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2082 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2084 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2085 __BIGGEST_ALIGNMENT__.
2087 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2089 2009-01-18 Richard Guenther <rguenther@suse.de>
2091 PR tree-optimization/38819
2092 * tree-flow.h (operation_could_trap_helper_p): Declare.
2093 * tree-eh.c (operation_could_trap_helper_p): Export.
2094 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2095 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2096 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2097 are about to insert a possibly trapping instruction and fail
2100 2009-01-18 Andreas Schwab <schwab@suse.de>
2102 * doc/install.texi (Configuration): Remove obsolete paragraph
2103 about use of --with-gnu-ld with --with-gnu-as.
2105 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2107 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2108 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2109 Follow spelling conventions.
2111 2009-01-18 Ben Elliston <bje@au.ibm.com>
2113 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2114 C++ warning about implicit conversion from void * to struct
2116 (bitmap_obstack_free): Likewise for bitmap_element *.
2117 * Makefile.in (bitmap.o-warn): Remove.
2119 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2121 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2123 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2124 Tobias Grosser <tobi.grosser@amd.com>
2126 * graphite.c (graphite_trans_scop_block): Do not block single
2129 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2131 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2132 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2133 test with assertion.
2135 2009-01-16 Richard Guenther <rguenther@suse.de>
2137 PR tree-optimization/38835
2139 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2140 and INT + PTR -> (INT)(PTR p+ INT) folding.
2141 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2143 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2146 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2147 the subreg from a lowpart subreg if it is also casting the value.
2149 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2150 Tobias Grosser <tobi.grosser@amd.com>
2152 * graphite.c (compare_prefix_loops): New.
2153 (build_scop_canonical_schedules): Rewritten.
2154 (graphite_transform_loops): Move build_scop_canonical_schedules
2155 after build_scop_iteration_domain.
2157 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2158 Tobias Grosser <tobi.grosser@amd.com>
2160 * graphite.c (add_conditions_to_domain): Add the loops to
2161 the dimension of the iteration domain. Do copy the domain
2162 only when it exists.
2163 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2164 (add_conditions_to_constraints): New.
2165 (can_generate_code_stmt, can_generate_code): Removed.
2166 (gloog): Do not call can_generate_code.
2167 (graphite_transform_loops): Call add_conditions_to_constraints
2168 after building the iteration domain.
2170 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2172 PR tree-optimization/38789
2173 * tree-ssa-threadedge.c
2174 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2175 __builtin_constant_p.
2177 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2179 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2180 examined before deleting them.
2182 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2184 * function.c (aggregate_value_p): Correctly extract the function
2185 type from CALL_EXPR_FN lookup.
2187 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2189 * config/picochip/picochip.c (picochip_override_options): Revert
2190 CFI asm flag disable commited previously.
2192 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2193 Tobias Grosser <tobi.grosser@amd.com>
2194 Jan Sjodin <jan.sjodin@amd.com>
2196 * graphite.c (scan_tree_for_params): On substractions negate
2197 all the coefficients of the term.
2198 (clast_to_gcc_expression_red): New. Handle reduction expressions
2199 of more than two operands.
2200 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2201 (get_vdef_before_scop): Handle also the case of default definitions.
2203 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2205 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2206 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2207 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2209 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2210 Joey Ye <joey.ye@intel.com>
2213 * cfgexpand.c (expand_stack_alignment): Don't update stack
2214 boundary nor check incoming stack boundary here.
2215 (gimple_expand_cfg): Update stack boundary and check incoming
2216 stack boundary here.
2218 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2220 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2222 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2224 PR rtl-optimization/38245
2225 * calls.c (expand_call): Add stack arguments to
2226 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2227 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2228 in regs and partially in memory or BLKmode arguments.
2229 (emit_library_call_value_1): Add stack arguments to
2230 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2231 ACCUMULATE_OUTGOING_ARGS).
2232 * dce.c: Include tm_p.h.
2233 (find_call_stack_args): New function.
2234 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2236 (mark_insn): Call find_call_stack_args for CALL_Ps.
2237 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2238 forwards. Allocate and free arg_stores bitmap if needed, pass it
2239 down to deletable_insn_p, don't mark stores set in arg_stores
2240 bitmap, clear the bitmap at the beginning of each bb.
2241 * Makefile.in (dce.o): Depend on $(TM_P_H).
2243 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2246 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2247 to make sure the insn is a conditional test (bug 22599). Reformat a
2250 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2253 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2254 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2255 (gloog): Do not call cleanup_tree_cfg.
2256 (graphite_transform_loops): Call cleanup_tree_cfg after all
2257 scops have been code generated.
2259 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2260 * doc/gty.texi (Invoking the garbage collector): Added new node
2261 and section documenting ggc_collect.
2263 2009-01-14 Richard Guenther <rguenther@suse.de>
2265 PR tree-optimization/38826
2267 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2268 initialization notes only if we actually emitted a warning.
2269 (intra_create_variable_infos): Add constraints for a result decl
2270 that is passed by hidden reference.
2271 (build_pred_graph): Mark all related variables non-direct on
2274 2009-01-14 Nick Clifton <nickc@redhat.com>
2276 * ira-conflicts.c: Include addresses.h for the definition of
2278 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2279 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2281 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2284 * Makefile.in (ira-lives.o): Add except.h.
2286 * ira-lives.c: Include except.h.
2287 (process_bb_node_lives): Process can_throw_internal.
2289 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2291 PR rtl-optimization/38774
2292 * combine.c (simplify_set): When undoing cc_use change, don't do
2293 PUT_CODE on the newly created comparison, but instead put back the
2296 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2298 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2299 values. Remove duplicate arm8 entry.
2301 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2303 PR tree-optimization/38786
2304 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2305 the SSA_NAME case of expand_scalar_variables_expr.
2306 Set the type of an expression to the type of its assign statement.
2307 (expand_scalar_variables_expr): Also gather the scalar computation
2308 used to index the memory access. Do not pass loop_p.
2309 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2310 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2311 the gimple_stmt_iterator where it inserts new code.
2313 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2314 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2316 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2318 * graphite.h (debug_value): Removed.
2319 * graphite.c (debug_value): Removed.
2321 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2323 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2324 ldrd/strd with two 32-bit instructions.
2326 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2328 * config/arm/arm.c (struct processors): Pass for speed down into
2329 cost helper functions.
2330 (const_ok_for_op): Handle COMPARE and inequality nodes.
2331 (arm_rtx_costs_1): Rewrite.
2332 (arm_size_rtx_costs): Update prototype.
2333 (arm_rtx_costs): Pass speed down to helper functions.
2334 (arm_slowmul_rtx_costs): Rework cost calculations.
2335 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2336 (arm_9e_rtx_costs): Likewise.
2338 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2340 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2341 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2342 (alpha_legitimize_address): Do not split local symbols wider than
2343 UNITS_PER_WORD into HIGH/LO_SUM parts.
2345 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2348 * gcc.c (process_command): Replace call to execvp with calls
2349 to pex_one and exit.
2351 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2354 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2355 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2356 variant for devices with 3-byte PC.
2357 (__tablejump_elpm__) : New.
2359 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2362 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2363 offsetof member-designator, handle it as `[0].'.
2365 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2367 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2368 function when not using named sections on targets with named sections
2369 if branch distance is less than 262132.
2371 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2373 * combine.c (combine_instructions): Recompute
2374 optimize_this_for_speed_p for each BB in the main combine loop.
2376 2009-01-12 Tomas Bily <tbily@suse.cz>
2379 * tree-loop-distribution.c (prop_phis): New function.
2380 (generate_builtin): Call prop_phis.
2381 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2383 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2385 PR tree-optimization/38807
2386 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2387 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2389 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2391 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2392 subreg of op0 to the original op0.
2394 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2396 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2398 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2401 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2402 starting with digits.
2404 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2407 * config/arm/arm.c (arm_is_long_call_p): Don't call
2408 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2410 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2412 * regrename.c (regrename_optimize): Fix dumping.
2413 (find_oldest_value_reg): Preserve REG_POINTER.
2414 (copy_hardreg_forward_1): Likewise.
2416 2009-01-09 Diego Novillo <dnovillo@google.com>
2418 * gimple.h (struct gimple_statement_base) <uid>: Document
2419 the restrictions on its use.
2421 (gimple_set_uid): Tidy.
2423 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2425 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2426 zero guard even if align_bytes != 0 and count is smaller than
2429 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2431 PR rtl-optimization/38495
2432 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2433 (add_range_and_copies_from_move_list): Print all added ranges.
2434 Add ranges to memory optimized destination.
2436 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2440 * config/i386/i386.c (override_options): Reject
2441 -mstringop-strategy=rep_8byte with -m32.
2442 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2443 to 1. Do count comparison against epilogue_size_needed at compile
2444 time even when count_exp was constant forced into register. For
2445 size_needed don't jump to epilogue, instead just avoid aligning
2446 and invoke the body algorithm. If need_zero_guard, add zero guard
2447 even if count is non-zero, but smaller than size_needed + number of
2448 bytes that could be stored for alignment.
2449 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2450 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2451 but smaller than size_needed + number of bytes that could be stored
2452 for alignment. Compare size_needed with epilogue_size_needed instead
2453 of desired_align - align, don't adjust size_needed, pass
2454 epilogue_size_needed to the epilogue expanders.
2457 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2459 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2461 * pa.c (last_address): Change to unsigned.
2462 (update_total_code_bytes): Change argument to unsigned. Don't
2463 check if insn addresses are set.
2464 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2465 addresses are not set.
2466 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2468 2009-01-09 Nick Clifton <nickc@redhat.com>
2470 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2471 DECL_DECLARED_INLINE_P.
2473 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2476 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2477 GET_MODE (op0) in operand_subword_force calls.
2480 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2481 fold_convert arg0 operands to TREE_TYPE (op0) first.
2483 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2485 * params.def (ira-max-conflict-table-size): Decrease default value
2488 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2490 PR tree-optimization/37031
2491 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2493 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2494 allocate it using gc instead of heap, use VEC_quick_push instead of
2496 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2497 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2498 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2499 allocated vector from heap allocated.
2500 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2501 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2502 vector only after perfect_loop_nest_depth call.
2504 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2505 Jan Sjodin <jan.sjodin@amd.com>
2507 PR tree-optimization/38559
2508 * graphite.c (debug_value, copy_constraint,
2509 swap_constraint_variables, scale_constraint_variable, ): New.
2510 (get_lower_bound, get_upper_bound): Removed.
2511 (graphite_trans_bb_strip_mine): Clean up this code that works
2512 only for constant number of iterations. Fully copy upper and
2513 lower bound constraints, not only the constant part of them.
2514 * graphite.h (debug_value): Declared.
2516 2009-01-08 Ira Rosen <irar@il.ibm.com>
2518 PR tree-optimization/37194
2519 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2520 Don't add the cost of cost model guard in prologue to scalar
2521 outside cost in case of known number of iterations.
2523 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2524 Alan Modra <amodra@bigpond.net.au>
2526 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2527 non-word-aligned REG+CONST addressing.
2529 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2532 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2533 free_after_compilation when outputting a thunk.
2534 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2535 Do not call free_after_compilation here.
2537 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2539 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2540 (ix86_valid_target_attribute_inner_p): Ditto.
2542 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2544 PR tree-optimization/38492
2545 PR tree-optimization/38498
2546 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2547 * tree-chrec.h (scev_is_linear_expression): Declared.
2548 * graphite.c (graphite_cannot_represent_loop_niter): New.
2549 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2550 (graphite_loop_normal_form): Use gcc_assert.
2551 (scan_tree_for_params): Use CASE_CONVERT.
2552 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2553 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2554 Use gcc_assert. Discard scops that contain unhandled cases.
2555 (build_scop_conditions): Return a boolean status for unhandled cases.
2556 (strip_mine_profitable_p): Print the loop number, not its depth.
2557 (is_interchange_valid): Pass the depth of the loop nest, don't
2558 recompute it wrongly.
2559 (graphite_trans_bb_block): Same.
2560 (graphite_trans_bb_block): Print tentative of loop blocking.
2561 (graphite_trans_scop_block): Do not print that the loop has been
2563 (graphite_transform_loops): Do not handle scops that contain condition
2566 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2568 AVX Programming Reference (December, 2008)
2569 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2570 (_mm256_stream_pd): Likewise.
2571 (_mm256_stream_ps): Likewise.
2573 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2574 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2575 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2576 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2577 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2578 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2579 (ix86_expand_special_args_builtin): Likewise.
2581 * config/i386/sse.md (AVXMODEDI): New.
2582 (avx_movnt<mode>): Likewise.
2583 (avx_movnt<mode>): Likewise.
2584 (<sse>_movnt<mode>): Remove AVX support.
2585 (sse2_movntv2di): Likewise.
2587 2009-01-07 Richard Guenther <rguenther@suse.de>
2590 * fold-const.c (extract_muldiv): Remove obsolete comment.
2591 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2592 to PLUS_EXPR canonicalization for the canonicalization.
2594 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2596 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2597 hosted cross-compilers generating less efficient code.
2599 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2601 * function.h (rtl_data): Add a dbr_scheduled_p field.
2602 * reorg.c (dbr_schedule): Set it.
2603 (gate_handle_delay_slots): Check it.
2604 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2605 (mips_reorg): Check flag_delayed_branch instead of
2606 mips_base_delayed_branch.
2607 (mips_override_options): Don't set mips_base_delayed_branch
2608 or flag_delayed_branch.
2610 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2612 PR rtl-optimization/38426.
2613 * ira.c (ira): Set current_function_is_leaf earlier.
2615 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2617 PR rtl-optimization/38722
2618 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2619 too early, only set a flag and modify after last possible
2622 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2625 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2626 * real.c (decimal_single_format): Correct values of emin and emax.
2627 (decimal_double_format): Ditto.
2628 (decimal_quad_format): Ditto.
2629 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2630 computation of DECnn_MIN and DECnn_MAX for corrected values of
2631 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2632 __DECnn_MIN__, and adjust its computation for the corrected value
2635 2009-01-06 Jan Hubicka <jh@suse.cz>
2638 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2640 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2642 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2643 Add Robert Clark to the list of testers.
2645 2009-01-06 Jan Hubicka <jh@suse.cz>
2646 Kai Tietz <kai.tietz@onevision.com>
2648 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2649 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2651 2009-01-06 Jan Hubicka <jh@suse.cz>
2652 Kai Tietz <kai.tietz@onevision.com>
2654 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2656 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2657 (ix86_nsaved_regs): Count only general purpose regs.
2658 (ix86_nsaved_sseregs): New.
2659 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2660 to 16 for w64; compute padding and size of sse reg save area.
2661 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2662 general purpose regs.
2663 (ix86_emit_save_sse_regs_using_mov): New.
2664 (ix86_expand_prologue): Save SSE regs if needed.
2665 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2666 (ix86_emit_restore_sse_regs_using_mov): New.
2667 (ix86_expand_epilogue): Save SSE regs if needed.
2669 2009-01-06 Jan Hubicka <jh@suse.cz>
2670 Kai Tietz <kai.tietz@onevision.com>
2672 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2673 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2674 functions when accumulate outgoing args is off.
2676 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2679 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2680 before using pseudos_have_intersected_live_ranges_p.
2682 * ira-int.h (ira_assert): Always define.
2684 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2686 AVX Programming Reference (December, 2008)
2687 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2688 (_mm256_permute2_pd): Likewise.
2689 (_mm_permute2_ps): Likewise.
2690 (_mm256_permute2_ps): Likewise.
2691 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2692 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2694 * config/i386/i386.c (ix86_builtins): Remove
2695 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2696 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2697 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2698 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2699 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2700 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2701 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2702 __builtin_ia32_vpermil2ps256.
2703 (ix86_init_mmx_sse_builtins): Updated.
2704 (ix86_expand_args_builtin): Likewise.
2706 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2708 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2709 long absolute calls when generating PA 2.0 code.
2711 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2713 PR rtl-optimization/38583
2714 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2716 * params.def (ira-max-conflict-table-size): New.
2718 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2720 * ira.h (ira_conflicts_p): New external definition.
2722 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2723 table. Report this. Return result of building.
2724 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2725 building conflict table.
2727 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2728 (ira_color): Use ira_conflicts_p.
2730 * global.c: Include ira.h.
2731 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2734 * Makefile.in (global.o): Add ira.h.
2736 * ira-build.c (mark_all_loops_for_removal,
2737 propagate_some_info_from_allocno): New.
2738 (remove_unnecessary_allocnos): Call
2739 propagate_some_info_from_allocno.
2740 (remove_low_level_allocnos): New.
2741 (remove_unnecessary_regions): Add parameter. Call
2742 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2743 parameter to remove_unnecessary_regions.
2744 (ira_build): Remove all regions but root if the conflict table was
2745 not built. Update conflict hard regs for allocnos crossing calls.
2747 * ira.c (ira_conflicts_p): New global.
2748 (ira): Define and use ira_conflicts_p.
2750 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2751 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2752 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2754 2009-01-06 Ben Elliston <bje@au.ibm.com>
2756 * gengtype-lex.l (YY_NO_INPUT): Define.
2758 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2761 * c-common.c (handle_vector_size_attribute): Also reject
2764 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2766 PR tree-optimization/38492
2767 * graphite.c (rename_map_elt, debug_rename_elt,
2768 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2769 rename_map_elt_info, eq_rename_map_elts,
2770 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2771 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2772 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2773 (sese_build_livein_liveouts): New.
2774 (new_sese, free_sese): New.
2775 (new_scop): Call new_sese.
2776 (free_scop): Call free_sese.
2777 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2778 (register_old_new_names): Renamed register_old_and_new_names.
2779 (register_scop_liveout_renames, add_loop_exit_phis,
2780 insert_loop_close_phis, struct igp,
2781 default_liveout_before_guard, add_guard_exit_phis,
2782 insert_guard_phis, copy_renames): New.
2783 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2784 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2785 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2786 (scop_adjust_phis_for_liveouts): New.
2787 (gloog): Call scop_adjust_phis_for_liveouts.
2789 * graphite.h (struct sese): Documented. Added fields liveout,
2791 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2792 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2793 (struct scop): Added field liveout_renames.
2794 (SCOP_LIVEOUT_RENAMES): New.
2796 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2798 PR tree-optimization/38510
2799 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2800 (translate_clast): Call recompute_all_dominators before
2802 (gloog): Call recompute_all_dominators before graphite_verify.
2804 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2805 Jan Sjodin <jan.sjodin@amd.com>
2807 PR tree-optimization/38500
2808 * graphite.c (create_sese_edges): Call fix_loop_structure after
2811 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2813 * config.gcc: Add m32r*-*-rtems*.
2814 * config/m32r/rtems.h: New file.
2816 2009-01-05 Ben Elliston <bje@au.ibm.com>
2818 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2819 (.po.pox): Likewise.
2820 (po/gcc.pot): Likewise.
2822 2009-01-04 David S. Miller <davem@davemloft.net>
2824 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2825 (STARTING_FRAME_OFFSET): Always set to zero.
2827 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2829 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2830 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2831 fixed-point types, and vectors of the same.
2833 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2835 * config/mips/sync.md (*mb_barrier): Rename to...
2836 (*memory_barrier): ...this.
2838 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2840 * doc/extend.texi (Function Attributes): Move @cindex after @item
2841 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2842 and put in alphabetical order. Fix 'target' name and put in order.
2843 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2846 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2848 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2849 (memory_barrier): Expand as unspec instead of unspec_volatile.
2850 Remove mem:BLK from insn operands. Use Pmode scratch register.
2851 (*memory_barrier): Define as unspec instead of unspec_volatile.
2852 Use (match_dup 0) as input operand.
2854 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2855 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2856 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2857 scratch register. Remove operand 1.
2858 (*stbar): Define as unspec instead of unspec_volatile.
2859 Use (match_dup 0) as input operand, remove (const_int 8).
2860 (*membar): Define as unspec instead of unspec_volatile.
2861 Use (match_dup 0) as input operand, remove input operand 2.
2863 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2864 (memory_barrier): Expand as unspec instead of unspec_volatile.
2865 Remove mem:BLK from insn operands. Use Pmode scratch register.
2866 (*memory_barrier): Define as unspec instead of unspec_volatile.
2867 Use (match_dup 0) as input operand.
2869 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2870 Remove mem:BLK from insn operands. Use Pmode scratch register.
2871 Set volatile flag on operand 0.
2872 (*memory_barrier): New insn pattern.
2874 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2876 (*memory_barrier): Use (match_dup 0) as input operand.
2878 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2879 Remove mem:BLK from insn operands. Use Pmode scratch register.
2880 Set volatile flag on operand 0.
2881 (*mb_internal): New insn pattern.
2883 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2885 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2888 * function.c (struct temp_slot): Move to the section of the file
2889 that deals with temp slots. Remove field 'address'.
2890 (temp_slot_address_table): New hash table of address -> temp slot.
2891 (struct temp_slot_address_entry): New struct, items for the table.
2892 (temp_slot_address_compute_hash, temp_slot_address_hash,
2893 temp_slot_address_eq, insert_temp_slot_address): Support functions
2895 (find_temp_slot_from_address): Rewrite to use the new hash table.
2896 (remove_unused_temp_slot_addresses): Remove addresses of temp
2897 slots that have been made available.
2898 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2899 worker function for remove_unused_temp_slot_addresses.
2900 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2901 Add the temp slot address to the address -> temp slot map.
2902 (update_temp_slot_address): Update via insert_temp_slot_address.
2903 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2904 (pop_temp_slots): Likewise.
2905 (init_temp_slots): Allocate the address -> temp slot map, or empty
2906 the map if it is already allocated.
2907 (prepare_function_start): Initialize temp slot processing.
2909 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2912 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2913 Calculate the size of all stack vars assuming no packing of stack
2914 vars will happen, replacing a quadratic algorithm with a linear one.
2916 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2919 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2922 2009-01-03 Diego Novillo <dnovillo@google.com>
2924 * doc/contrib.texi: Update contributions.
2926 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2929 * builtins.c (fold_builtin_memory_op): Give up if either operand
2930 is volatile. Set srctype or desttype to non-qualified version
2934 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2937 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2939 PR rtl-optimization/35805
2940 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2941 problem if fast dce is able to remove any instructions.
2942 * dce.c (dce_process_block): Fix dump message.
2944 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2947 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2949 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2952 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2953 * tree-pretty-print.c (op_code_prio): New function.
2954 (op_prio): No longer static. Use op_code_prio.
2955 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2956 Use op_prio and op_code_prio to determine if () should be
2957 printed around operand(s) or not.
2959 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2960 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2961 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2962 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2963 pp_character instead of pp_string for single letter printing.
2965 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2967 * doc/extend.texi: Fix '#pragma GCC option' typo.
2969 2009-01-02 Richard Guenther <rguenther@suse.de>
2971 * doc/install.texi (--enable-checking): Mention different
2973 (--enable-stage1-checking): Document.
2975 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2978 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2979 case to be an error.
2981 2009-01-02 Ben Elliston <bje@au.ibm.com>
2983 * config/fp-bit.h (pack_d): Constify argument.
2984 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2985 (isnan): Constify argument.
2989 (_fpadd_parts): Constify return type.
2990 (_fpmul_parts): Likewise.
2991 (_fpdiv_parts): Likewise.
2993 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2996 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2997 warn about overwriting initializer with side-effects or
2998 -Woverride-init if !IMPLICIT.
2999 (output_init_element): Likewise. Pass IMPLICIT down to
3001 (process_init_element): Add IMPLICIT argument. Pass it down
3002 to output_init_element.
3003 (push_init_element, pop_init_level, set_designator): Adjust
3004 process_init_element callers.
3005 (set_nonincremental_init, set_nonincremental_init_from_string):
3006 Adjust add_pending_init callers.
3007 (output_pending_init_elements): Adjust output_init_element callers.
3008 * c-tree.h (process_init_element): Adjust prototype.
3009 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3010 process_init_element callers.
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