1 2009-03-11 Nick Clifton <nickc@redhat.com>
4 * config/fr30/fr30.opt: Document the -mno-lsim option.
5 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
8 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
10 * fold-const.c (fold_comparison): Only call fold_inf_compare
11 if the mode supports infinities.
13 2009-03-11 Jason Merrill <jason@redhat.com>
16 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
17 end already did. Notice GIMPLE_CALL modifications of the result.
18 Don't copy debug information from an ignored decl or a decl from
21 2009-03-10 Richard Guenther <rguenther@suse.de>
22 Nathan Froyd <froydnj@codesourcery.com>
25 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
27 (__divMODE3): Likewise.
29 2009-03-09 Jakub Jelinek <jakub@redhat.com>
31 PR tree-optimization/39394
32 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
33 DECL_SIZE_UNIT of variable length FIELD_DECLs.
35 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
37 * recog.c (verfiy_changes): Disallow renaming of hard regs in
38 inline asms for register asm ("") declarations.
40 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
42 * fold-const.c (fold_unary): Fix comment.
44 2009-03-07 Jan Hubicka <jh@suse.cz>
47 * tree-inline.c (setup_one_parameter): Do replacement of const argument
48 by constant in SSA form.
50 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
53 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
54 determine alignment passed to assign_stack_local.
55 (assign_parms_unsplit_complex): Likewise.
56 * except.c (sjlj_build_landing_pads): Likewise.
58 2009-03-06 Jakub Jelinek <jakub@redhat.com>
61 * tree-flow.h (add_referenced_var): Return bool instead of void.
62 * tree-dfa.c (add_referenced_var): Return result of
63 referenced_var_check_and_insert call.
64 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
65 of referenced_var_check_and_insert.
68 * dwarf2out.c (add_abstract_origin_attribute): Return
70 (gen_variable_die): Emit DW_AT_location on abstract static variable's
71 DIE, don't emit it if abstract origin already has it.
72 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
73 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
75 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
77 * genpreds.c: (needs_variable): Fix parentheses at variable name
79 (write_tm_constrs_h): Indent generated code.
81 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
83 * doc/extend.texi (Function Attributes): Add documentation
86 2009-03-06 Jakub Jelinek <jakub@redhat.com>
89 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
90 take locus from its DECL_SOURCE_LOCATION instead of input_location.
92 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
94 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
97 2009-03-05 Jakub Jelinek <jakub@redhat.com>
100 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
101 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
103 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
105 * config/i386/i386.md (R8_REG, R9_REG): New constants.
106 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
107 constants instead of magic numbers.
108 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
110 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
111 (x86_64_ms_abi_int_parameter_registers): Ditto.
112 (x86_64_int_return_registers): Ditto.
113 (ix86_maybe_switch_abi): Ditto.
114 (ix86_expand_call): Ditto for clobbered_registers array.
115 (ix86_hard_regno_mode_ok): Ditto.
116 (x86_extended_QIreg_mentioned_p): Ditto.
118 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
120 PR tree-optimization/39349
121 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
123 * combine.c (gen_lowpart_for_combine): Use omode when generating
126 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
128 PR rtl-optimization/39235
129 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
131 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
133 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
135 2009-03-04 Richard Guenther <rguenther@suse.de>
137 PR tree-optimization/39362
138 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
139 that occur in abnormal PHIs should be varying.
141 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
143 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
145 (simple_iv): Take loop as an argument instead of statement.
146 * tree-scalar-evolution.h (simple_iv): Declaration changed.
147 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
149 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
151 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
152 * matrix-reorg.c (analyze_transpose): Ditto.
153 * tree-data-ref.c (dr_analyze_innermost): Ditto.
154 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
155 * tree-predcom.c (ref_at_iteration): Ditto.
156 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
158 2009-03-04 Richard Guenther <rguenther@suse.de>
160 PR tree-optimization/39358
161 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
162 escaped_id and callused_id.
163 (solve_graph): Likewise.
165 2009-03-04 Richard Guenther <rguenther@suse.de>
167 PR tree-optimization/39339
168 * tree-sra.c (try_instantiate_multiple_fields): Make it
169 no longer ICE on the above.
171 2009-03-03 Joseph Myers <joseph@codesourcery.com>
173 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
174 that fits within Pmode.
176 2009-03-03 Steve Ellcey <sje@cup.hp.com>
179 * tm.texi (LIBCALL_VALUE): Update description.
181 2009-03-03 Steve Ellcey <sje@cup.hp.com>
184 * doc/extend.texi (section): Update description.
186 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
189 * tree-inline.c (remapped_type): New.
190 (can_be_nonlocal): Call remapped_type instead of remap_type.
192 2009-03-03 Jakub Jelinek <jakub@redhat.com>
195 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
196 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
198 2009-03-03 Richard Guenther <rguenther@suse.de>
201 * tree.c (tree_nonartificial_location): New function.
202 * tree.h (tree_nonartificial_location): Declare.
203 * builtins.c (expand_builtin_memory_chk): Provide location
204 of the call location for artificial function pieces.
205 (maybe_emit_chk_warning): Likewise.
206 (maybe_emit_sprintf_chk_warning): Likewise.
207 (maybe_emit_free_warning): Likewise.
208 * expr.c (expand_expr_real_1): Likewise.
210 2009-03-03 Jakub Jelinek <jakub@redhat.com>
212 PR tree-optimization/39343
213 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
214 COMPONENT_REF t has ARRAY_TYPE.
216 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
219 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
220 when the type precision of the induction variable should be
221 larger than the type precision of nit.
222 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
223 * graphite.c (graphite_loop_normal_form): Same.
224 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
226 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
228 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
229 (*call_1_rex64_ms_sysv): Use named constants instead of magic
230 numbers to describe clobbered registers.
231 (*call_value_0_rex64_ms_sysv): Ditto.
232 * config/i386/mmx.md (mmx_emms): Ditto.
235 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
237 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
240 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
242 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
243 (spu_section_type_flags): New function.
245 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
247 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
248 reg_class_contents of FLOAT_REGS into a temporary.
250 2009-03-02 Richard Guenther <rguenther@suse.de>
251 Ira Rosen <irar@il.ibm.com>
253 PR tree-optimization/39318
254 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
255 information to the vectorized statement.
257 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
259 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
260 variable. Use defined names instead of magic constants for REX SSE
263 2009-03-01 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/39331
266 * omp-low.c (lower_send_shared_vars): Do not receive new
267 values for the reference of DECL_BY_REFERENCE parms or results.
269 2009-03-01 Jan Hubicka <jh@suse.cz>
272 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
273 BLOCK_NONLOCALIZED_VAR): New macros.
274 (tree_block): Add nonlocalized_vars.
275 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
276 gen_decl_die): Add origin argument. Allow generation of die with
278 (gen_member_die, gen_type_die_with_usage, force_decl_die,
279 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
281 (gen_block_die): Fix checking for unused blocks.
282 (process_scope_var): Break out from .... ; work with origins only.
283 (decls_for_scope) ... here; process nonlocalized list.
284 (dwarf2out_ignore_block): Look for nonlocalized vars.
285 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
287 (dump_scope_block): Dump them.
288 * tree-inline.c (remap_decls): Handle nonlocalized vars.
289 (remap_block): Likewise.
290 (can_be_nonlocal): New predicate.
291 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
293 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
295 * configure: Regenerate.
297 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
299 * optc-gen.awk: No need to duplicate option flags twice.
300 Reuse help texts for duplicate options which do not have
303 * gcc.c (display_help): Document --version.
305 * gcc.c (main): If print_help_list and verbose_flag, ensure
306 driver output comes before subprocess output.
308 * optc-gen.awk: Assign all remaining fields to help string,
309 space-separated, for multi-line help in *.opt.
311 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
312 -Wno-pedantic-ms-format is for MinGW targets only.
314 * doc/options.texi (Option file format): Fix bad indentation,
315 restoring dropped sentence.
317 2009-02-28 Jan Hubicka <jh@suse.cz>
319 * tree-inline.c (tree_function_versioning): Output debug info.
321 2009-02-28 Jan Hubicka <jh@suse.cz>
324 * tree-inline.c (setup_one_parameter): Do not copy propagate
325 arguments when not optimizing.
327 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
330 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
331 (avx_addsubv4df3): Likewise.
332 (*avx_addsubv4sf3): Likewise.
333 (sse3_addsubv4sf3): Likewise.
334 (*avx_addsubv2df3): Likewise.
335 (sse3_addsubv2df3): Likewise.
336 (avx_unpckhps256): Correct item selectors.
337 (avx_unpcklps256): Likewise.
338 (avx_unpckhpd256): Likewise.
339 (avx_unpcklpd256): Likewise.
341 2009-02-28 Jan Hubicka <jh@suse.cz>
343 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
345 (copy_arguments_for_versioning): If var is declared don't declare it.
346 (tree_function_versioning): First setup substitutions and then copy
349 2009-02-27 Jan Hubicka <jh@suse.cz>
352 * cgraph.h (varpool_output_debug_info): Remove.
353 * cgraphunit.c (varpool_output_debug_info): Remove.
354 * dwarf2out.c (deferred_locations_struct): New struct
355 (deferred_locations): New type.
356 (deferred_locations_list): New static var.
357 (deffer_location): New function.
358 (gen_variable_die): Use it.
359 (decls_for_scope): Output info on local static vars.
360 (dwarf2out_finish): Process deferred locations.
361 * varpool.c (varpool_output_debug_info): Remove.
363 2009-02-27 Jan Hubicka <jh@suse.cz>
366 * tree.h (TREE_PROTECTED): Fix comment.
367 (BLOCK_HANDLER_BLOCK): Remove.
368 (struct tree_block): Remove handler_block add body_block.
369 (inlined_function_outer_scope_p): New.
370 (is_body_block): Remove.
371 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
372 * dwarf2out.c (is_inlined_entry_point): Remove.
373 (add_high_low_attributes): Use inlined_function_outer_scope_p.
374 (gen_block_die): Use is_inlined_entry_point check. Remove body block
376 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
377 * gimplify.c (gimplify_expr): Gimplify body blocks.
378 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
379 block with multiple subblocks.
380 (dump_scope_block): Prettier output; dump more flags and info.
381 (dump_scope_blocks): New.
382 (remove_unused_locals): Use dump_scope_blocks.
383 * tree-flow.h (dump_scope_blocks): Declare.
384 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
385 * stmt.c (is_body_block): Remove.
386 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
387 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
389 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
392 * graphite.c (graphite_loop_normal_form): Do not call
393 number_of_iterations_exit from a gcc_assert.
395 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
397 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
398 jumps if COND is NULL.
399 (find_cond_jump): New function.
400 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
401 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
403 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
405 * config/alpha/alpha.h (alpha_expand_mov): Return false if
406 force_const_mem returns NULL_RTX.
408 2009-02-26 Jan Hubicka <jh@suse.cz>
411 * cgraph.h (varpool_output_debug_info): Remove.
412 * cgraphunit.c (varpool_output_debug_info): Remove.
413 * dwarf2out.c (deferred_locations_struct): New struct
414 (deferred_locations): New type.
415 (deferred_locations_list): New static var.
416 (deffer_location): New function.
417 (gen_variable_die): Use it.
418 (decls_for_scope): Output info on local static vars.
419 (dwarf2out_finish): Process deferred locations.
420 * varpool.c (varpool_output_debug_info): Remove.
422 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
424 PR rtl-optimization/39241
425 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
426 to subreg_offset_representable_p.
428 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
430 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
431 execute function prototype. Get f and nregs from max_reg_num
432 and get_insns. Remove the first backward pass as it's dead,
433 guard the forward pass by flag_expensive_optimizations.
434 (rest_of_handle_regmove): Delete.
435 (pass_regmove): Replace it with regmove_optimize.
437 2009-02-25 Martin Jambor <mjambor@suse.cz>
439 PR tree-optimization/39259
440 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
441 calls_alloca function flags.
442 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
445 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
447 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
448 flags_set_1_rtx, flags_set_1_set): Delete.
449 (regmove_optimize): Do not call mark_flags_life_zones.
451 2009-02-24 Julian Brown <julian@codesourcery.com>
454 * config/arm/arm.c (require_pic_register): Only set
455 cfun->machine->pic_reg once per function.
457 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
459 * doc/invoke.texi (Link Options): Document an easier way to pass
460 options that take arguments to the GNU linker using -Xlinker and -Wl.
462 2009-02-24 Steve Ellcey <sje@cup.hp.com>
465 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
467 2009-02-24 Richard Guenther <rguenther@suse.de>
470 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
472 2009-02-24 Richard Guenther <rguenther@suse.de>
473 Zdenek Dvorak <ook@ucw.cz>
475 PR tree-optimization/39233
476 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
477 from converting them to a generic type.
479 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
481 PR tree-optimization/39260
482 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
483 contains a condition with a real type.
484 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
486 2009-02-23 Jason Merrill <jason@redhat.com>
489 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
490 narrowing_initializer_constant_valid_p.
491 (narrowing_initializer_constant_valid_p): Don't return
492 null_pointer_node for adding a pointer to itself.
494 2009-02-23 Jan Hubicka <jh@suse.cz>
497 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
500 2009-02-23 Jan Hubicka <jh@suse.cz>
502 PR tree-optimization/37709
503 * tree.c (block_ultimate_origin): Move here from dwarf2out.
504 * tree.h (block_ultimate_origin): Declare.
505 * dwarf2out.c (block_ultimate_origin): Move to tree.c
506 * tree-ssa-live.c (remove_unused_scope_block_p):
507 Eliminate blocks containig no instructions nor live variables nor
509 (dump_scope_block): New function.
510 (remove_unused_locals): Enable removal of dead blocks by default;
511 enable dumping at TDF_DETAILS.
513 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
515 * config/i386/i386.c (classify_argument): Don't allow COImode
517 (function_arg_advance_32): Don't allow OImode.
518 (function_arg_32): Likewise.
519 (function_value_32): Likewise.
520 (return_in_memory_32): Likewise.
521 (function_arg_64): Remove OImode comment.
523 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
526 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
527 ix86_expand_vector_set for V4DImode in 64bit mode only.
528 (ix86_expand_vector_init_one_var): Likewise.
530 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
532 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
534 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
537 * loop-iv.c: Revert last change.
538 * emit-rtl.c: Likewise.
540 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
543 * config/i386/i386.c (type_natural_mode): Remove an extra
544 space in the warning message.
545 (function_value_32): Handle 32-byte vector modes.
546 (return_in_memory_32): Likewise.
548 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
550 * loop-iv.c (truncate_value): New function.
551 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
553 (lowpart_subreg): Move to...
554 * emit-rtl.c: ...here.
556 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
558 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
559 accidental and undocumented change at revision 140860.
561 2009-02-21 Joseph Myers <joseph@codesourcery.com>
563 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
564 take gimple_seq * arguments.
565 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
566 types_compatible_p langhook.
568 2009-02-20 Mark Mitchell <mark@codesourcery.com>
569 Joseph Myers <joseph@codesourcery.com>
571 * config/arm/arm.c (arm_builtin_va_list): New function.
572 (arm_expand_builtin_va_start): Likewise.
573 (arm_gimplify_va_arg_expr): Likewise.
574 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
575 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
576 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
577 (va_list_type): New variable.
578 (arm_mangle_type): Mangle va_list_type appropriately.
580 2009-02-20 Jakub Jelinek <jakub@redhat.com>
583 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
584 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
585 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
586 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
587 parameter to 1000 for -O1 by default.
588 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
590 * loop-invariant.c: Include params.h.
591 (move_loop_invariants): Don't call move_single_loop_invariants on
594 2009-02-20 Jaka Mocnik <jaka@xlab.si>
596 * calls.c (emit_library_call_value_1): Use slot_offset instead of
597 offset when calculating bounds for indexing stack_usage_map. Fixes
598 a buffer overflow with certain target setups.
600 2009-02-20 Jakub Jelinek <jakub@redhat.com>
603 * calls.c (expand_call): Clear try_tail_call if caller and callee
604 disagree in promotion of function return value.
606 2009-02-19 Jakub Jelinek <jakub@redhat.com>
609 * c-common.c (c_determine_visibility): If visibility changed and
610 DECL_RTL has been already set, call make_decl_rtl to update symbol
613 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
616 * varasm.c (assemble_variable): Don't check DECL_NAME when
617 globalizing a variable.
619 2009-02-19 Joseph Myers <joseph@codesourcery.com>
622 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
623 expression before any __builtin_trap call.
624 * c-typeck.c (build_function_call): Convert and check function
625 arguments before generating a call to a trap. Evaluate the
626 function arguments before the trap.
628 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
631 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
632 (UNSPEC_FXAM_MEM): New unspec.
633 (fxam<mode>2_i387_with_temp): New insn and split pattern.
634 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
635 memory using fxam<mode>2_i387_with_temp to remove excess precision.
637 2009-02-19 Richard Guenther <rguenther@suse.de>
639 PR tree-optimization/39207
640 PR tree-optimization/39074
641 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
642 storedanything_tree): New.
643 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
644 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
645 (build_succ_graph): Add edges from STOREDANYTHING to all
647 (init_base_vars): Initialize STOREDANYTHING.
648 (compute_points_to_sets): Free substitution info after
649 building the succ graph.
650 (ipa_pta_execute): Likewise.
652 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
654 (do_ds_constraint): Do not add to special var or non-pointer
656 (type_could_have_pointers): Split out from ...
657 (could_have_pointers): ... here. For arrays use the element type.
658 (create_variable_info_for): Initialize may_have_pointers.
659 (new_var_info): Likewise.
660 (handle_lhs_call): Make the HEAP variable unknown-sized.
661 (intra_create_variable_infos): Use a type with pointers for
662 PARM_NOALIAS, make it unknown-sized.
664 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
667 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
669 2009-02-18 Jason Merrill <jason@redhat.com>
672 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
673 value if DECL_EXTERNAL.
674 * tree-sra.c (sra_walk_gimple_assign): Likewise.
675 * target.h (gcc_target::binds_local_p): Clarify "module".
676 * tree.h (TREE_PUBLIC): Clarify "module".
678 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
681 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
682 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
684 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
687 * c.opt (Wabi): Support C and ObjC.
690 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
692 * config/i386/i386.c (classify_argument): Warn once about the ABI
693 change when passing union with long double.
695 * doc/invoke.texi: Update -Wabi for warning psABI changes.
697 2009-02-18 Joseph Myers <joseph@codesourcery.com>
700 * c-parser.c (c_parser_compound_statement): Always enter and leave
703 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
706 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
708 2009-02-18 Jakub Jelinek <jakub@redhat.com>
710 PR tree-optimization/36922
711 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
712 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
715 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
717 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
720 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
722 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
724 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
726 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
729 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
730 Richard Sandiford <rdsandiford@googlemail.com>
732 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
733 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
734 (loongson_biadd): ...this.
736 2009-02-17 Richard Guenther <rguenther@suse.de>
738 PR tree-optimization/39202
739 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
740 a var make sure to follow existing collapses.
742 2009-02-17 Richard Guenther <rguenther@suse.de>
745 * langhooks.c (lhd_print_error_function): Check for NULL block.
747 2009-02-17 Richard Guenther <rguenther@suse.de>
749 PR tree-optimization/39204
750 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
753 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
755 * config/soft-fp/double.h: Update from glibc CVS.
757 2009-02-17 Richard Guenther <rguenther@suse.de>
759 PR tree-optimization/39207
760 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
761 strict-aliasing warnings for pointers pointing to NULL.
763 2009-02-16 Joseph Myers <joseph@codesourcery.com>
766 * c-parser.c (c_parser_braced_init): Call pop_init_level when
767 skipping until next close brace.
769 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
772 * config/i386/i386.c (ix86_expand_push): Set memory alignment
773 to function argument boundary.
775 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
777 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
778 in the lea_add. Reload eventually constraints it properly.
779 * config/picochip/constraints.md : Remove the target constraint
780 "b", since it is not needed anymore.
782 2009-02-16 Jakub Jelinek <jakub@redhat.com>
784 * gthr-dce.h: Uglify function parameter and local variable names.
785 * gthr-gnat.h: Likewise.
786 * gthr-mipssde.h: Likewise.
787 * gthr-nks.h: Likewise.
788 * gthr-posix95.h: Likewise.
789 * gthr-posix.h: Likewise.
790 * gthr-rtems.h: Likewise.
791 * gthr-single.h: Likewise.
792 * gthr-solaris.h: Likewise.
793 * gthr-tpf.h: Likewise.
794 * gthr-vxworks.h: Likewise.
795 * gthr-win32.h: Likewise.
797 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
800 * config/i386/i386.md: Restrict the new peephole2 to move
801 between MMX/SSE registers.
803 2009-02-15 Richard Guenther <rguenther@suse.de>
806 2009-02-13 Richard Guenther <rguenther@suse.de>
808 * configure.ac: Enable LFS.
809 * configure: Re-generate.
810 * config.in: Likewise.
812 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
814 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
815 spu_srqwbyte, spu_srqwbytebc): Define.
816 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
817 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
818 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
819 "shrqby_<mode>"): New insn-and-split patterns.
820 * config/spu/spu.c (expand_builtin_args): Determine and return
821 number of operands using spu_builtin_description data.
822 (spu_expand_builtin_1): Use it.
824 2009-02-13 Steve Ellcey <sje@cup.hp.com>
827 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
830 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
833 * config/i386/i386.c (override_options): Correct warning
834 messages for -malign-loops, -malign-jumps and -malign-functions.
836 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
839 * config/i386/i386.md: Restrict the new peephole2 to move
840 between the general purpose registers.
842 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
845 * config/i386/i386.c (type_natural_mode): Add a new argument.
846 Return the original mode and warn ABI change if vector size is 32byte.
847 (function_arg_advance): Updated.
848 (function_arg): Likewise.
849 (ix86_function_value): Likewise.
850 (ix86_return_in_memory): Likewise.
851 (ix86_sol10_return_in_memory): Likewise.
852 (ix86_gimplify_va_arg): Likewise.
853 (function_arg_32): Don't warn ABX ABI change here.
854 (function_arg_64): Likewise.
856 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
858 * loop-iv.c (implies_p): In the final case, test that operands 0
859 of the two comparisons match.
861 * config/bfin/bfin.c (find_prev_insn_start): New function.
862 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
863 (find_next_insn_start): Move.
865 2009-02-13 Richard Guenther <rguenther@suse.de>
867 * configure.ac: Enable LFS.
868 * configure: Re-generate.
869 * config.in: Likewise.
871 2009-02-13 Joseph Myers <joseph@codesourcery.com>
874 * c-parser.c (c_parser_parms_list_declarator): Discard pending
875 sizes on syntax error after some arguments have been parsed.
877 2009-02-12 Jakub Jelinek <jakub@redhat.com>
879 * doc/invoke.texi (-fira): Remove.
881 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
883 * caller-save.c: Replace regclass.c with reginfo.c in comments.
887 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
889 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
890 (umul_ppmm): Likewise.
891 (count_leading_zeros): Likewise.
892 (count_trailing_zeros): Likewise.
893 (UMUL_TIME): Likewise.
895 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
897 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
898 soft-fp/t-softfp to tmake_file.
900 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
901 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
902 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
903 IA64_BUILTIN_INFQ]: New.
904 (ia64_init_builtins): Initialize __builtin_infq,
905 __builtin_fabsq and __builtin_copysignq if not HPUX.
906 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
907 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
909 * config/ia64/lib1funcs.asm (__divtf3): Define only if
911 (__fixtfti): Likewise.
912 (__fixunstfti): Likewise.
913 (__floattitf): Likewise.
915 * config/ia64/libgcc-glibc.ver: New.
916 * config/ia64/t-fprules-softfp: Likewise.
917 * config/ia64/sfp-machine.h: Likewise.
919 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
920 (LIBGCC2_TF_CEXT): Likewise.
922 (TARGET_INIT_LIBFUNCS): Likewise.
924 * config/ia64/t-glibc (SHLINB_MAPFILES):
925 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
927 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
929 * config/i386/i386.c (construct_container): Rewrite processing
930 BLKmode with X86_64_SSE_CLASS.
932 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
935 * config/i386/i386.md: Replace simplify_replace_rtx with
936 replace_rtx in the new peephole2.
938 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
940 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
941 loop unrolling do not happen at -O2.
943 2009-02-12 Michael Matz <matz@suse.de>
945 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
947 2009-02-12 Jakub Jelinek <jakub@redhat.com>
949 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
952 2009-02-12 Ben Elliston <bje@au.ibm.com>
954 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
955 patterns when updating the back chain. Missed in the 2009-02-10
958 2009-02-11 Janis Johnson <janis187@us.ibm.com>
960 * doc/extend.texi (Decimal Floating Types): Update identifier of
961 draft TR and list of missing support.
963 2009-02-11 Jakub Jelinek <jakub@redhat.com>
966 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
967 bit to variable length decl's flags, add it also to its
968 pointer replacement variable.
970 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
971 Jakub Jelinek <jakub@redhat.com>
974 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
975 (memory_blockage): New expander.
976 (*memory_blockage): New insn pattern.
977 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
978 instead of general blockage at the end of function prologue when
979 frame pointer is used to access red zone area. Do not emit blockage
980 when profiling, it is emitted in generic code.
981 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
982 function epilogue when frame pointer is used to access red zone area.
984 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
987 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
988 by arithmetic with memory operands.
989 * config/i386/predicates.md (commutative_operator): New.
991 2009-02-10 Janis Johnson <janis187@us.ibm.com>
993 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
996 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
998 * alias.h (record_alias_subset): Declare.
999 * alias.c (record_alias_subset): Make global.
1001 2009-02-10 Nick Clifton <nickc@redhat.com>
1003 * tree-parloops.c: Change license to GPLv3.
1004 * ipa-struct-reorg.c: Change license to GPLv3.
1005 * ipa-struct-reorg.h: Change license to GPLv3.
1007 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1010 * c-decl.c (start_struct): Return NULL on error.
1012 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1015 * cfgloopmanip.c (remove_path): Call remove_bbs after
1016 cancel_loop_tree, not before it.
1019 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1020 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1021 VAR_DECLs were seen.
1022 * tree-ssa-live.c (remove_unused_locals): Recompute
1023 cfun->has_local_explicit_reg_vars.
1024 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1025 copies or clearings if cfun->has_local_explicit_reg_vars.
1027 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1030 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1031 of function prologue when frame pointer is used to access
1034 2009-02-10 Richard Guenther <rguenther@suse.de>
1037 * gimplify.c (gimple_regimplify_operands): Always look if
1038 we need to create a temporary.
1040 2009-02-10 Richard Guenther <rguenther@suse.de>
1042 PR tree-optimization/39132
1043 * tree-loop-distribution.c (todo): New global var.
1044 (generate_memset_zero): Trigger TODO_rebuild_alias.
1045 (tree_loop_distribution): Return todo.
1047 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1050 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1051 (x86_64_reg_class_name): Removed.
1052 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1053 first one isn't X86_64_SSE_CLASS or any other ones aren't
1054 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1055 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1056 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1057 and 3 X86_64_SSEUP_CLASS.
1058 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1059 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1061 2009-02-10 Ben Elliston <bje@au.ibm.com>
1063 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1064 form instruction to update the stack back chain word, even if the
1065 user has disabled the generation of update instructions.
1066 (movdi_<mode>_update_stack): New.
1067 (movsi_update_stack): Likewise.
1068 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1069 always use an update form instruction to update the stack back
1072 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1075 * graphite.c (if_region_set_false_region): After moving a region in
1076 the false branch of a condition, remove the empty dummy basic block.
1077 (gloog): Remove wrong fix for PR38953.
1079 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1081 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1082 generation due to implicit sign extension.
1084 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1087 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1088 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1090 2009-02-09 Richard Guenther <rguenther@suse.de>
1093 * convert.c (convert_to_real): Disable (float)fn((double)x)
1094 to fnf(x) conversion if errno differences may occur and
1095 -fmath-errno is set.
1097 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1099 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1100 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1101 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1103 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1106 * c-common.c (handle_alias_attribute): Disallow attribute for
1107 anything not a FUNCTION_DECL or VAR_DECL.
1109 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1112 * real.c (do_compare): Special-case compare of zero against
1113 decimal float value.
1115 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1118 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1119 as indicating flexible array members unless the field itself is
1120 being declarared as the incomplete array.
1122 2009-02-06 Jan Hubicka <jh@suse.cz>
1124 PR tree-optimization/38844
1125 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1128 2009-02-06 Richard Guenther <rguenther@suse.de>
1131 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1132 fork because we may expand it as __gcov_fork.
1134 2009-02-06 Nick Clifton <nickc@redhat.com>
1136 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1138 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1140 PR tree-optimization/35659
1141 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1142 vn_phi_eq): Shortcut if hashcode does not match.
1143 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1145 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1146 and avoid iterative_hash_expr.
1147 (FOR_EACH_VALUE_ID_IN_SET): New.
1148 (value_id_compare): Remove.
1149 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1150 sort expressions by value id.
1152 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1155 * config/sh/predicates.md (general_movsrc_operand): Don't check
1156 the subreg of system registers here.
1158 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1161 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1164 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1166 PR rtl-optimization/39110
1167 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1168 addresses, not aligned ones.
1170 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1171 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/39100
1174 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1175 comment says and add edges.
1177 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1180 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1181 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1183 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1185 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1186 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1187 register_bb_in_sese, new_sese, free_sese): Moved.
1188 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1189 outermost_loop_in_scop, build_scop_iteration_domain,
1190 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1191 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1192 Use loop_in_sese_p instead of loop_in_scop_p.
1193 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1194 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1195 (scopdet_basic_block_info): Fix bug in scop detection.
1196 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1197 eq_loop_to_cloog_loop): Remove.
1198 (nb_loops_around_loop_in_scop, nb_loop
1199 ref_nb_loops): Moved here...
1200 * graphite.h (ref_nb_loops): ... from here.
1201 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1202 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1203 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1204 * testsuite/gcc.dg/graphite/scop-19.c: New
1206 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1207 Hans-Peter Nilsson <hp@axis.com>
1209 PR rtl-optimization/37889
1210 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1211 Move offset handling from PLUS to before the switch. Use new
1212 arguments when considering SYMBOL_REFs too.
1213 (rtx_addr_can_trap_p): Pass dummy offset and size.
1214 (enum may_trap_p_flags): Remove.
1215 (may_trap_p_1): Pass size from MEM_SIZE.
1217 PR rtl-optimization/38921
1218 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1219 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1220 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1221 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1223 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1225 AVX Programming Reference (January, 2009)
1226 * config/i386/sse.md (*vpclmulqdq): New.
1228 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1230 PR tree-optimization/38977
1231 PR gcov-profile/38292
1232 * calls.c (special_function_p): Disregard __builtin_ prefix.
1234 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1236 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1237 non-indexable addresses even before reload.
1239 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1242 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1243 as having variable size. Do not give an error for unnamed
1244 parameters with [*] declarators. Give a warning for type names
1245 with [*] declarators and mark them as variable size.
1246 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1247 for sizeof applied to [*] type names.
1249 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1252 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1254 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1256 * gcc.c (process_command): Update copyright notice dates.
1257 * gcov.c (print_version): Likewise.
1258 * gcov-dump.c (print_version): Likewise.
1259 * mips-tfile.c (main): Likewise.
1260 * mips-tdump.c (main): Likewise.
1262 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1265 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1266 for composite type involving a zero-length array type.
1268 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1271 * function.c (match_asm_constraints_1): Skip over
1272 initial optional % in the constraint.
1275 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1276 supported, don't accept FIXED_CSTs.
1277 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1278 and _Sat is used without _Fract/_Accum. Set specs->type to
1279 integer_type_node for cts_fract/cts_accum if fixed point is not
1282 2009-02-02 Catherine Moore <clm@codesourcery.com>
1284 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1286 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1288 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1289 (ABI_HAS_64BIT_SYMBOLS): Use it.
1290 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1292 2009-02-02 Paul Brook <paul@codesourcery.com>
1294 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1296 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1299 * recog.h (asm_operand_ok): Add constraints argument.
1300 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1301 recurse on matching constraint.
1302 (check_asm_operands): Pass constraints as 3rd argument to
1303 asm_operand_ok. Don't look up matching constraint here.
1304 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1307 2009-02-02 Ben Elliston <bje@au.ibm.com>
1309 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1310 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1312 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1314 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1315 information. Remove some obsolete information. Reorganize.
1317 * config/pa/fptr.c: Revert license to GPL 2.
1318 * config/pa/milli64.S: Likewise.
1320 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1323 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1324 LIBRARY name in, instead of hard-coding it.
1325 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1326 extra target make frag to tmake_files according to EH model.
1327 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1328 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1329 frags that define makefile variable EH_MODEL appropriately.
1330 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1331 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1332 to "-sjlj" according to type of EH configured.
1333 (LIBGCC_SONAME): Concatenate it to shared library base name.
1334 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1335 to "_sjlj" according to type of EH configured.
1336 (LIBGCC_SONAME): Concatenate it to shared library base name.
1337 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1338 (SHLIB_LINK): Add missing semicolon to if-else construct.
1339 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1340 string value of "pe_dll" command-line option.
1341 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1342 (SHLIB_SONAME): Use it when overriding t-cygming default.
1343 (SHLIB_IMPLIB): Override t-cygming default.
1344 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1345 string value of "pe_dll" command-line option.
1347 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1350 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1351 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1353 2009-01-31 Richard Guenther <rguenther@suse.de>
1355 PR tree-optimization/38937
1356 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1357 computing the transitive closure.
1359 2009-01-30 Richard Guenther <rguenther@suse.de>
1361 PR tree-optimization/39041
1362 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1363 Propagate variable indices only if the types match for this stmt.
1365 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1368 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1369 inline but never defined.
1371 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1373 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1374 (*insv_h_di_reg_extimm): New insn.
1375 (*insv_l<mode>_reg_extimm): New insn.
1377 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1379 * config/picochip/picochip.c (flag_conserve_stack): set
1380 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1381 fconserve-stack. Reduce call-overhead used by inliner.
1383 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1386 * common.opt (flag_conserve_stack): Initialised to zero.
1388 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1391 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1392 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1395 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1397 * ira-color.c (allocno_reload_assign): Update comments.
1398 * regmove.c (regmove_optimize): Likewise.
1402 2009-01-29 Robert Millan <rmh@aybabtu.com>
1404 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1405 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1406 `MD_UNWIND_SUPPORT'.
1407 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1409 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1411 PR tree-optimization/39007
1412 * tree-loop-distribution.c (generate_builtin): Use
1413 recompute_dominator to compute the immediate dominator of the
1414 basic block just after the loop.
1416 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1418 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1419 (ASM_OUTPUT_DWARF_PCREL): Define.
1421 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1423 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1424 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1425 global. Modify entries about regmove and IRA.
1427 * ra-conflict.c: Remove the file.
1429 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1431 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1432 (pass_regclass_init): Rename to pass_reginfo_init.
1434 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1436 * toplev.h (flag_ira): Remove.
1438 * caller-save.c (setup_save_areas): Remove flag_ira.
1440 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1442 * global.c: Remove the file.
1444 * opts.c: (decode_options): Remove flag_ira.
1446 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1448 * regmove.c: Modify file description.
1449 (find_use_as_address, try_auto_increment): Define them only if
1450 AUTO_INC_DEC is defined.
1451 (replacement_quality, replace_in_call_usage, fixup_match_1,
1452 stable_and_no_regs_but_for_p): Remove.
1453 (reg_set_in_bb): Make it static.
1454 (regmove_optimize): Remove flag_ira and code which worked for
1457 * local-alloc.c: Remove the file.
1459 * common.opt (fira): Remove.
1461 * ira.c: Include except.h.
1462 (eliminable_regset): Move from global.c.
1463 (mark_elimination): Ditto. Remove flag_ira.
1464 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1465 equiv_mem_modified, validate_equiv_mem_from_store,
1466 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1467 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1468 no_equiv, recorded_label_ref): Move from local-alloc.c.
1469 (update_equiv_regs): Ditto. Make it static.
1470 (print_insn_chain, print_insn_chains): Move it from global.c.
1471 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1472 (build_insn_chain): Ditto. Make it static.
1473 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1474 Rename to init_live_subregs.
1475 (gate_ira): Remove flag_ira.
1477 * regclass.c: Rename reginfo.c. Change file description.
1478 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1479 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1480 (init_reg_sets_1): Remove code for evaluation of
1481 reg_class_superclasses and losing_caller_save_reg_set.
1482 (init_regs): Remove init_reg_autoinc.
1483 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1484 ok_for_base_p_nonstrict): Remove.
1485 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1486 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1487 corresponding entries.
1488 (dump_regclass, record_operand_costs, scan_one_insn,
1489 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1490 record_address_regs, auto_inc_dec_reg_p): Remove.
1491 (gt-regclass.h): Rename to gt-reginfo.h.
1493 * rtl.h (dump_global_regs, retry_global_alloc,
1494 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1496 * Makefile.in (RA_H): Remove.
1497 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1498 Rename regclass.o to reginfo.o.
1499 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1501 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1502 (GTFILES): Rename regclass.c to reginfo.c.
1504 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1505 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1507 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1508 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1510 (finish_spills): Ditto. Remove code for !flag_ira.
1512 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1515 * doc/invoke.texi (rtl debug options): Complete rewrite.
1516 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1518 * mode-switching.c (pass_mode_switching): Rename pass from
1519 "mode-sw" to "mode_sw".
1520 * except.c (pass_convert_to_eh_ranges): Rename pass from
1521 "eh-ranges" to "eh_ranges".
1522 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1526 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1527 Alexander Monakov <amonakov@ispras.ru>
1530 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1532 (move_exprs_to_boundary): Change return type and pass through
1533 should_move from move_op. Relax assert. Update usage ...
1534 (schedule_expr_on_boundary): ... here. Use should_move instead of
1536 (move_op_orig_expr_found): Indicate that insn was disconnected from
1538 (code_motion_process_successors): Do not call after_merge_succs
1539 callback if original expression was not found when traversing any of
1541 (code_motion_path_driver): Change return type. Update prototype.
1542 (move_op): Update comment. Add a new parameter (should_move). Update
1543 prototype. Set *should_move based on indication provided by
1544 move_op_orig_expr_found.
1546 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1548 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1549 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1550 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1551 * config/rs6000/rs6000.c (rs6000_override_options): Default
1552 avoid-indexed-addresses on for Power6, off for everything else.
1553 (avoiding_indexed_address_p): New function.
1554 (rs6000_legitimize_address): Use it.
1555 (rs6000_legitimate_address): Likewise.
1556 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1558 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1560 PR tree-optimization/38997
1561 * tree-loop-distribution.c (generate_memset_zero): Use
1562 POINTER_PLUS_EXPR for a pointer addition.
1564 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1566 * config/s390/s390.md (bswap<mode>2): New pattern added.
1568 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1570 * config/s390/s390.md (*tls_load_31): Added type attribute.
1572 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1574 * config/s390/s390.md: Fix a few comments.
1576 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1578 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1579 (*tm<mode>_full): Fixed z10prop attribute.
1580 (*tst<mode>_extimm): Fixed z10prop attribute.
1581 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1582 (*tstqiCCT_cconly): Fixed z10prop attribute.
1583 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1584 (*movsi_larl): Fixed z10prop attribute.
1585 (*movsi_zarch): Fixed z10prop attribute.
1586 (*movsi_eas): Fixed z10prop attribute.
1587 (*movhi): Fixed z10prop attribute.
1588 (*movqi): Fixed z10prop attribute.
1589 (*movstrictqi): Fixed z10prop attribute.
1590 (*mov<mode>): Fixed z10prop attribute.
1591 (*movcc): Fixed z10prop attribute.
1592 (*sethighpartdi_64): Fixed z10prop attribute.
1593 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1594 (*negdi2_sign_cc): Fixed z10prop attribute.
1595 (*negdi2_sign): Fixed z10prop attribute.
1596 (*absdi2_sign_cc): Fixed z10prop attribute.
1597 (*absdi2_sign): Fixed z10prop attribute.
1598 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1599 (*negabsdi2_sign): Fixed z10prop attribute.
1600 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1601 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1602 (doloop_si64): Fixed z10prop attribute.
1603 (doloop_si31): Fixed z10prop attribute.
1604 (doloop_long): Fixed z10prop attribute.
1605 (indirect_jump): Fixed z10prop attribute.
1606 (nop): Fixed z10prop attribute.
1607 (main_base_64): Fixed z10prop attribute.
1608 (reload_base_64): Fixed z10prop attribute.
1610 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1612 PR rtl-optimization/38740
1613 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1615 * config/mips/mips.c (mips_reorg): Likewise.
1617 2009-01-28 Richard Guenther <rguenther@suse.de>
1619 PR tree-optimization/38926
1620 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1621 with the correct value id to a value.
1622 (do_regular_insertion): Use the value number of edoubleprime
1623 for the value number of the expr.
1626 2008-08-21 Richard Guenther <rguenther@suse.de>
1628 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1629 a PHI ask VN if it is already available.
1630 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1631 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1633 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1636 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1637 set to varying whenever max has TREE_OVERFLOW set, similarly
1638 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1640 2009-01-28 Richard Guenther <rguenther@suse.de>
1643 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1644 uninitialized aggregate uses in call arguments.
1646 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1648 PR tree-optimization/38984
1649 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1650 the nothing_id variable if -fno-delete-null-pointer-checks.
1652 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1655 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1656 (set_got_offset_rex64): Ditto.
1658 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1661 * doc/extend.texi: Improve local variable with asm reg.
1663 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1665 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1666 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1667 was not supplied then set warn_packed_bitfield_compat to the
1669 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1672 2009-01-27 Richard Guenther <rguenther@suse.de>
1674 PR tree-optimization/38503
1675 * cfgexpand.c (expand_gimple_basic_block): Ignore
1676 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1677 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1678 variables that cannot have TBAA applied.
1679 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1682 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1685 * calls.c (initialize_argument_information): Do not wrap complex
1686 arguments in SAVE_EXPR.
1688 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1690 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1691 (INSTALL_LIBGCC): Revert typo commit.
1693 2009-01-26 Richard Guenther <rguenther@suse.de>
1695 PR tree-optimization/38745
1696 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1697 from special handling.
1699 2009-01-26 Richard Guenther <rguenther@suse.de>
1701 PR tree-optimization/38745
1702 * tree-ssa.c (execute_update_addresses_taken): Do not include
1703 variables that cannot possibly be a register in not_reg_needs.
1704 Do not clear TREE_ADDRESSABLE on vars that may not become
1706 * tree-ssa.c (update_alias_info_1): Include those in the set
1707 of addressable vars.
1709 2009-01-26 Richard Guenther <rguenther@suse.de>
1712 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1713 * tree-ssa-dse.c: Include langhooks.h
1714 (execute_simple_dse): Remove stores with zero size.
1716 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1719 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1722 2009-01-24 Julian Brown <julian@codesourcery.com>
1724 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1725 config/arm/linux-atomic.c.
1726 * config/arm/linux-atomic.c: New.
1728 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1730 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1731 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1732 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1734 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1737 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1740 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1742 PR tree-optimization/38953
1743 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1744 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1745 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1746 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1749 2009-01-24 Paul Brook <paul@codesourcery.com>
1751 * config/arm/neon.md (neon_type): Move to arm.md.
1752 (neon_mov<VSTRUCT>): Add neon_type attribute.
1753 * config/arm/arm.md (neon_type): Move to here.
1754 (conds): Add "unconditioal" and use as default for NEON insns.
1756 2009-01-24 Ben Elliston <bje@au.ibm.com>
1758 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1759 void *' warning from -Wc++-compat.
1760 * Makefile.in (dominance.o-warn): Remove.
1762 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1764 PR tree-optimization/38932
1765 * fold-const.c (fold_unary_ignore_overflow): New.
1766 * tree.h (fold_unary_ignore_overflow): Declare.
1767 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1768 * tree-ssa-sccvn.c (visit_reference_op_load,
1769 simplify_unary_expression): Likewise.
1771 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1773 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1774 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1775 regardless of their type.
1776 * c-common.c (handle_packed_attribute): Don't ignore packed on
1778 * c.opt (Wpacked-bitfield-compat): New warning option.
1779 * stor-layout.c (place_field): Warn if offset of a field changed.
1780 * doc/extend.texi (packed): Mention the ABI change.
1781 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1782 (Warning Options): Add it to the list.
1784 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1786 * c-opts.c (c_common_post_options): Fix a typo in comments.
1788 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1791 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1792 variables to static.
1793 * doc/invoke.texi (-fmerge-all-constants): Update description.
1795 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1798 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1799 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1801 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1803 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1805 (LOCAL_ALIGNMENT): Similarly.
1807 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1808 Joseph Myers <joseph@codesourcery.com>
1810 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1811 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1812 * config/arm/arm-tune.md: Regenerate.
1813 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1816 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1818 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1819 version number to five.
1821 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1824 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1825 * c-common.c (set_underlying_type): Likewise.
1826 (is_typedef_decl ): Likewise
1828 (set_underlying_type): Likewise.
1829 (is_typedef_type): Likewise.
1831 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1834 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1837 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1840 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1841 (LIBGCC_SPEC): Don't define.
1842 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1844 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1846 PR rtl-optimization/38879
1847 * alias.c (base_alias_check): Unaligned access via AND address can
1848 alias all surrounding object types except those with sizes equal
1849 or wider than the size of unaligned access.
1851 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1854 * c-decl.c: (clone_underlying_type): Move this ...
1855 * c-common.c (set_underlying_type): ... here.
1856 Also, make sure the function properly sets TYPE_STUB_DECL() on
1857 the newly created typedef variant type.
1858 (is_typedef_decl ): New entry point.
1859 * tree.h: Added a new member member_types_needing_access_check to
1860 struct tree_decl_non_common.
1861 (set_underlying_type): New entry point.
1862 (is_typedef_type): Likewise.
1864 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1866 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1867 Check whether two instructions have memory references that
1868 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1869 are helper functions for traversing.
1870 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1871 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1872 not to draw dependency edge for instructions with non-conflicting
1875 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1878 * longlong.h: Update copyright years. Use soft-fp license notice.
1879 Sync __clz_tab declaration with glibc.
1881 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1884 * doc/extend.texi (syscall_linkage): New.
1885 (version_id): Modify.
1887 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1888 Richard Guenther <rguenther@suse.de>
1890 PR tree-optimization/38747
1891 PR tree-optimization/38748
1892 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1893 conversion if the base address is an indirect reference and the
1894 aliasing sets could cause issues.
1896 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1898 * common.opt (fgraphite, fgraphite-identity): Add comment for
1899 explaining why these options are not documented.
1901 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1903 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1904 gimple_call_lhs is NULL.
1906 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1909 * emit-rtl.c (adjust_address_1): Make sure memref is never
1912 2009-01-20 Ben Elliston <bje@au.ibm.com>
1914 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1915 const qualifier from arg parameter. Remove unnecessary cast to char *.
1916 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1917 const qualifier from arg 2.
1919 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1921 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1923 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1926 * rtl.h (reinit_regs): New prototype.
1927 * regclass.c: Include ira.h.
1929 * Makefile.in (regclass.o): Add ira.h.
1930 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1932 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1935 * c-common.c (handle_aligned_attribute): Use
1936 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1937 default alignment value.
1939 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1941 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1942 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1944 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1945 __BIGGEST_ALIGNMENT__.
1947 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1949 2009-01-18 Richard Guenther <rguenther@suse.de>
1951 PR tree-optimization/38819
1952 * tree-flow.h (operation_could_trap_helper_p): Declare.
1953 * tree-eh.c (operation_could_trap_helper_p): Export.
1954 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1955 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1956 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1957 are about to insert a possibly trapping instruction and fail
1960 2009-01-18 Andreas Schwab <schwab@suse.de>
1962 * doc/install.texi (Configuration): Remove obsolete paragraph
1963 about use of --with-gnu-ld with --with-gnu-as.
1965 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1967 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1968 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1969 Follow spelling conventions.
1971 2009-01-18 Ben Elliston <bje@au.ibm.com>
1973 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1974 C++ warning about implicit conversion from void * to struct
1976 (bitmap_obstack_free): Likewise for bitmap_element *.
1977 * Makefile.in (bitmap.o-warn): Remove.
1979 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1981 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1983 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1984 Tobias Grosser <tobi.grosser@amd.com>
1986 * graphite.c (graphite_trans_scop_block): Do not block single
1989 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1991 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1992 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1993 test with assertion.
1995 2009-01-16 Richard Guenther <rguenther@suse.de>
1997 PR tree-optimization/38835
1999 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2000 and INT + PTR -> (INT)(PTR p+ INT) folding.
2001 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2003 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2006 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2007 the subreg from a lowpart subreg if it is also casting the value.
2009 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2010 Tobias Grosser <tobi.grosser@amd.com>
2012 * graphite.c (compare_prefix_loops): New.
2013 (build_scop_canonical_schedules): Rewritten.
2014 (graphite_transform_loops): Move build_scop_canonical_schedules
2015 after build_scop_iteration_domain.
2017 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2018 Tobias Grosser <tobi.grosser@amd.com>
2020 * graphite.c (add_conditions_to_domain): Add the loops to
2021 the dimension of the iteration domain. Do copy the domain
2022 only when it exists.
2023 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2024 (add_conditions_to_constraints): New.
2025 (can_generate_code_stmt, can_generate_code): Removed.
2026 (gloog): Do not call can_generate_code.
2027 (graphite_transform_loops): Call add_conditions_to_constraints
2028 after building the iteration domain.
2030 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2032 PR tree-optimization/38789
2033 * tree-ssa-threadedge.c
2034 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2035 __builtin_constant_p.
2037 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2039 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2040 examined before deleting them.
2042 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2044 * function.c (aggregate_value_p): Correctly extract the function
2045 type from CALL_EXPR_FN lookup.
2047 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2049 * config/picochip/picochip.c (picochip_override_options): Revert
2050 CFI asm flag disable commited previously.
2052 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2053 Tobias Grosser <tobi.grosser@amd.com>
2054 Jan Sjodin <jan.sjodin@amd.com>
2056 * graphite.c (scan_tree_for_params): On substractions negate
2057 all the coefficients of the term.
2058 (clast_to_gcc_expression_red): New. Handle reduction expressions
2059 of more than two operands.
2060 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2061 (get_vdef_before_scop): Handle also the case of default definitions.
2063 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2065 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2066 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2067 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2069 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2070 Joey Ye <joey.ye@intel.com>
2073 * cfgexpand.c (expand_stack_alignment): Don't update stack
2074 boundary nor check incoming stack boundary here.
2075 (gimple_expand_cfg): Update stack boundary and check incoming
2076 stack boundary here.
2078 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2080 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2082 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2084 PR rtl-optimization/38245
2085 * calls.c (expand_call): Add stack arguments to
2086 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2087 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2088 in regs and partially in memory or BLKmode arguments.
2089 (emit_library_call_value_1): Add stack arguments to
2090 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2091 ACCUMULATE_OUTGOING_ARGS).
2092 * dce.c: Include tm_p.h.
2093 (find_call_stack_args): New function.
2094 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2096 (mark_insn): Call find_call_stack_args for CALL_Ps.
2097 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2098 forwards. Allocate and free arg_stores bitmap if needed, pass it
2099 down to deletable_insn_p, don't mark stores set in arg_stores
2100 bitmap, clear the bitmap at the beginning of each bb.
2101 * Makefile.in (dce.o): Depend on $(TM_P_H).
2103 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2106 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2107 to make sure the insn is a conditional test (bug 22599). Reformat a
2110 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2113 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2114 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2115 (gloog): Do not call cleanup_tree_cfg.
2116 (graphite_transform_loops): Call cleanup_tree_cfg after all
2117 scops have been code generated.
2119 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2120 * doc/gty.texi (Invoking the garbage collector): Added new node
2121 and section documenting ggc_collect.
2123 2009-01-14 Richard Guenther <rguenther@suse.de>
2125 PR tree-optimization/38826
2127 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2128 initialization notes only if we actually emitted a warning.
2129 (intra_create_variable_infos): Add constraints for a result decl
2130 that is passed by hidden reference.
2131 (build_pred_graph): Mark all related variables non-direct on
2134 2009-01-14 Nick Clifton <nickc@redhat.com>
2136 * ira-conflicts.c: Include addresses.h for the definition of
2138 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2139 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2141 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2144 * Makefile.in (ira-lives.o): Add except.h.
2146 * ira-lives.c: Include except.h.
2147 (process_bb_node_lives): Process can_throw_internal.
2149 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2151 PR rtl-optimization/38774
2152 * combine.c (simplify_set): When undoing cc_use change, don't do
2153 PUT_CODE on the newly created comparison, but instead put back the
2156 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2158 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2159 values. Remove duplicate arm8 entry.
2161 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2163 PR tree-optimization/38786
2164 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2165 the SSA_NAME case of expand_scalar_variables_expr.
2166 Set the type of an expression to the type of its assign statement.
2167 (expand_scalar_variables_expr): Also gather the scalar computation
2168 used to index the memory access. Do not pass loop_p.
2169 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2170 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2171 the gimple_stmt_iterator where it inserts new code.
2173 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2174 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2176 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2178 * graphite.h (debug_value): Removed.
2179 * graphite.c (debug_value): Removed.
2181 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2183 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2184 ldrd/strd with two 32-bit instructions.
2186 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2188 * config/arm/arm.c (struct processors): Pass for speed down into
2189 cost helper functions.
2190 (const_ok_for_op): Handle COMPARE and inequality nodes.
2191 (arm_rtx_costs_1): Rewrite.
2192 (arm_size_rtx_costs): Update prototype.
2193 (arm_rtx_costs): Pass speed down to helper functions.
2194 (arm_slowmul_rtx_costs): Rework cost calculations.
2195 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2196 (arm_9e_rtx_costs): Likewise.
2198 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2200 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2201 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2202 (alpha_legitimize_address): Do not split local symbols wider than
2203 UNITS_PER_WORD into HIGH/LO_SUM parts.
2205 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2208 * gcc.c (process_command): Replace call to execvp with calls
2209 to pex_one and exit.
2211 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2214 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2215 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2216 variant for devices with 3-byte PC.
2217 (__tablejump_elpm__) : New.
2219 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2222 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2223 offsetof member-designator, handle it as `[0].'.
2225 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2227 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2228 function when not using named sections on targets with named sections
2229 if branch distance is less than 262132.
2231 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2233 * combine.c (combine_instructions): Recompute
2234 optimize_this_for_speed_p for each BB in the main combine loop.
2236 2009-01-12 Tomas Bily <tbily@suse.cz>
2239 * tree-loop-distribution.c (prop_phis): New function.
2240 (generate_builtin): Call prop_phis.
2241 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2243 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2245 PR tree-optimization/38807
2246 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2247 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2249 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2251 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2252 subreg of op0 to the original op0.
2254 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2256 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2258 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2261 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2262 starting with digits.
2264 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2267 * config/arm/arm.c (arm_is_long_call_p): Don't call
2268 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2270 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2272 * regrename.c (regrename_optimize): Fix dumping.
2273 (find_oldest_value_reg): Preserve REG_POINTER.
2274 (copy_hardreg_forward_1): Likewise.
2276 2009-01-09 Diego Novillo <dnovillo@google.com>
2278 * gimple.h (struct gimple_statement_base) <uid>: Document
2279 the restrictions on its use.
2281 (gimple_set_uid): Tidy.
2283 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2285 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2286 zero guard even if align_bytes != 0 and count is smaller than
2289 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2291 PR rtl-optimization/38495
2292 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2293 (add_range_and_copies_from_move_list): Print all added ranges.
2294 Add ranges to memory optimized destination.
2296 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2300 * config/i386/i386.c (override_options): Reject
2301 -mstringop-strategy=rep_8byte with -m32.
2302 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2303 to 1. Do count comparison against epilogue_size_needed at compile
2304 time even when count_exp was constant forced into register. For
2305 size_needed don't jump to epilogue, instead just avoid aligning
2306 and invoke the body algorithm. If need_zero_guard, add zero guard
2307 even if count is non-zero, but smaller than size_needed + number of
2308 bytes that could be stored for alignment.
2309 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2310 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2311 but smaller than size_needed + number of bytes that could be stored
2312 for alignment. Compare size_needed with epilogue_size_needed instead
2313 of desired_align - align, don't adjust size_needed, pass
2314 epilogue_size_needed to the epilogue expanders.
2317 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2319 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2321 * pa.c (last_address): Change to unsigned.
2322 (update_total_code_bytes): Change argument to unsigned. Don't
2323 check if insn addresses are set.
2324 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2325 addresses are not set.
2326 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2328 2009-01-09 Nick Clifton <nickc@redhat.com>
2330 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2331 DECL_DECLARED_INLINE_P.
2333 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2336 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2337 GET_MODE (op0) in operand_subword_force calls.
2340 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2341 fold_convert arg0 operands to TREE_TYPE (op0) first.
2343 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2345 * params.def (ira-max-conflict-table-size): Decrease default value
2348 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2350 PR tree-optimization/37031
2351 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2353 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2354 allocate it using gc instead of heap, use VEC_quick_push instead of
2356 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2357 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2358 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2359 allocated vector from heap allocated.
2360 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2361 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2362 vector only after perfect_loop_nest_depth call.
2364 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2365 Jan Sjodin <jan.sjodin@amd.com>
2367 PR tree-optimization/38559
2368 * graphite.c (debug_value, copy_constraint,
2369 swap_constraint_variables, scale_constraint_variable, ): New.
2370 (get_lower_bound, get_upper_bound): Removed.
2371 (graphite_trans_bb_strip_mine): Clean up this code that works
2372 only for constant number of iterations. Fully copy upper and
2373 lower bound constraints, not only the constant part of them.
2374 * graphite.h (debug_value): Declared.
2376 2009-01-08 Ira Rosen <irar@il.ibm.com>
2378 PR tree-optimization/37194
2379 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2380 Don't add the cost of cost model guard in prologue to scalar
2381 outside cost in case of known number of iterations.
2383 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2384 Alan Modra <amodra@bigpond.net.au>
2386 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2387 non-word-aligned REG+CONST addressing.
2389 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2392 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2393 free_after_compilation when outputting a thunk.
2394 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2395 Do not call free_after_compilation here.
2397 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2399 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2400 (ix86_valid_target_attribute_inner_p): Ditto.
2402 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2404 PR tree-optimization/38492
2405 PR tree-optimization/38498
2406 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2407 * tree-chrec.h (scev_is_linear_expression): Declared.
2408 * graphite.c (graphite_cannot_represent_loop_niter): New.
2409 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2410 (graphite_loop_normal_form): Use gcc_assert.
2411 (scan_tree_for_params): Use CASE_CONVERT.
2412 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2413 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2414 Use gcc_assert. Discard scops that contain unhandled cases.
2415 (build_scop_conditions): Return a boolean status for unhandled cases.
2416 (strip_mine_profitable_p): Print the loop number, not its depth.
2417 (is_interchange_valid): Pass the depth of the loop nest, don't
2418 recompute it wrongly.
2419 (graphite_trans_bb_block): Same.
2420 (graphite_trans_bb_block): Print tentative of loop blocking.
2421 (graphite_trans_scop_block): Do not print that the loop has been
2423 (graphite_transform_loops): Do not handle scops that contain condition
2426 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2428 AVX Programming Reference (December, 2008)
2429 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2430 (_mm256_stream_pd): Likewise.
2431 (_mm256_stream_ps): Likewise.
2433 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2434 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2435 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2436 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2437 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2438 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2439 (ix86_expand_special_args_builtin): Likewise.
2441 * config/i386/sse.md (AVXMODEDI): New.
2442 (avx_movnt<mode>): Likewise.
2443 (avx_movnt<mode>): Likewise.
2444 (<sse>_movnt<mode>): Remove AVX support.
2445 (sse2_movntv2di): Likewise.
2447 2009-01-07 Richard Guenther <rguenther@suse.de>
2450 * fold-const.c (extract_muldiv): Remove obsolete comment.
2451 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2452 to PLUS_EXPR canonicalization for the canonicalization.
2454 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2456 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2457 hosted cross-compilers generating less efficient code.
2459 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2461 * function.h (rtl_data): Add a dbr_scheduled_p field.
2462 * reorg.c (dbr_schedule): Set it.
2463 (gate_handle_delay_slots): Check it.
2464 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2465 (mips_reorg): Check flag_delayed_branch instead of
2466 mips_base_delayed_branch.
2467 (mips_override_options): Don't set mips_base_delayed_branch
2468 or flag_delayed_branch.
2470 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2472 PR rtl-optimization/38426.
2473 * ira.c (ira): Set current_function_is_leaf earlier.
2475 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2477 PR rtl-optimization/38722
2478 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2479 too early, only set a flag and modify after last possible
2482 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2485 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2486 * real.c (decimal_single_format): Correct values of emin and emax.
2487 (decimal_double_format): Ditto.
2488 (decimal_quad_format): Ditto.
2489 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2490 computation of DECnn_MIN and DECnn_MAX for corrected values of
2491 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2492 __DECnn_MIN__, and adjust its computation for the corrected value
2495 2009-01-06 Jan Hubicka <jh@suse.cz>
2498 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2500 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2502 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2503 Add Robert Clark to the list of testers.
2505 2009-01-06 Jan Hubicka <jh@suse.cz>
2506 Kai Tietz <kai.tietz@onevision.com>
2508 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2509 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2511 2009-01-06 Jan Hubicka <jh@suse.cz>
2512 Kai Tietz <kai.tietz@onevision.com>
2514 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2516 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2517 (ix86_nsaved_regs): Count only general purpose regs.
2518 (ix86_nsaved_sseregs): New.
2519 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2520 to 16 for w64; compute padding and size of sse reg save area.
2521 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2522 general purpose regs.
2523 (ix86_emit_save_sse_regs_using_mov): New.
2524 (ix86_expand_prologue): Save SSE regs if needed.
2525 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2526 (ix86_emit_restore_sse_regs_using_mov): New.
2527 (ix86_expand_epilogue): Save SSE regs if needed.
2529 2009-01-06 Jan Hubicka <jh@suse.cz>
2530 Kai Tietz <kai.tietz@onevision.com>
2532 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2533 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2534 functions when accumulate outgoing args is off.
2536 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2539 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2540 before using pseudos_have_intersected_live_ranges_p.
2542 * ira-int.h (ira_assert): Always define.
2544 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2546 AVX Programming Reference (December, 2008)
2547 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2548 (_mm256_permute2_pd): Likewise.
2549 (_mm_permute2_ps): Likewise.
2550 (_mm256_permute2_ps): Likewise.
2551 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2552 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2554 * config/i386/i386.c (ix86_builtins): Remove
2555 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2556 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2557 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2558 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2559 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2560 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2561 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2562 __builtin_ia32_vpermil2ps256.
2563 (ix86_init_mmx_sse_builtins): Updated.
2564 (ix86_expand_args_builtin): Likewise.
2566 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2568 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2569 long absolute calls when generating PA 2.0 code.
2571 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2573 PR rtl-optimization/38583
2574 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2576 * params.def (ira-max-conflict-table-size): New.
2578 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2580 * ira.h (ira_conflicts_p): New external definition.
2582 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2583 table. Report this. Return result of building.
2584 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2585 building conflict table.
2587 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2588 (ira_color): Use ira_conflicts_p.
2590 * global.c: Include ira.h.
2591 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2594 * Makefile.in (global.o): Add ira.h.
2596 * ira-build.c (mark_all_loops_for_removal,
2597 propagate_some_info_from_allocno): New.
2598 (remove_unnecessary_allocnos): Call
2599 propagate_some_info_from_allocno.
2600 (remove_low_level_allocnos): New.
2601 (remove_unnecessary_regions): Add parameter. Call
2602 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2603 parameter to remove_unnecessary_regions.
2604 (ira_build): Remove all regions but root if the conflict table was
2605 not built. Update conflict hard regs for allocnos crossing calls.
2607 * ira.c (ira_conflicts_p): New global.
2608 (ira): Define and use ira_conflicts_p.
2610 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2611 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2612 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2614 2009-01-06 Ben Elliston <bje@au.ibm.com>
2616 * gengtype-lex.l (YY_NO_INPUT): Define.
2618 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2621 * c-common.c (handle_vector_size_attribute): Also reject
2624 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2626 PR tree-optimization/38492
2627 * graphite.c (rename_map_elt, debug_rename_elt,
2628 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2629 rename_map_elt_info, eq_rename_map_elts,
2630 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2631 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2632 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2633 (sese_build_livein_liveouts): New.
2634 (new_sese, free_sese): New.
2635 (new_scop): Call new_sese.
2636 (free_scop): Call free_sese.
2637 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2638 (register_old_new_names): Renamed register_old_and_new_names.
2639 (register_scop_liveout_renames, add_loop_exit_phis,
2640 insert_loop_close_phis, struct igp,
2641 default_liveout_before_guard, add_guard_exit_phis,
2642 insert_guard_phis, copy_renames): New.
2643 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2644 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2645 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2646 (scop_adjust_phis_for_liveouts): New.
2647 (gloog): Call scop_adjust_phis_for_liveouts.
2649 * graphite.h (struct sese): Documented. Added fields liveout,
2651 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2652 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2653 (struct scop): Added field liveout_renames.
2654 (SCOP_LIVEOUT_RENAMES): New.
2656 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2658 PR tree-optimization/38510
2659 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2660 (translate_clast): Call recompute_all_dominators before
2662 (gloog): Call recompute_all_dominators before graphite_verify.
2664 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2665 Jan Sjodin <jan.sjodin@amd.com>
2667 PR tree-optimization/38500
2668 * graphite.c (create_sese_edges): Call fix_loop_structure after
2671 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2673 * config.gcc: Add m32r*-*-rtems*.
2674 * config/m32r/rtems.h: New file.
2676 2009-01-05 Ben Elliston <bje@au.ibm.com>
2678 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2679 (.po.pox): Likewise.
2680 (po/gcc.pot): Likewise.
2682 2009-01-04 David S. Miller <davem@davemloft.net>
2684 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2685 (STARTING_FRAME_OFFSET): Always set to zero.
2687 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2689 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2690 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2691 fixed-point types, and vectors of the same.
2693 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2695 * config/mips/sync.md (*mb_barrier): Rename to...
2696 (*memory_barrier): ...this.
2698 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2700 * doc/extend.texi (Function Attributes): Move @cindex after @item
2701 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2702 and put in alphabetical order. Fix 'target' name and put in order.
2703 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2706 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2708 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2709 (memory_barrier): Expand as unspec instead of unspec_volatile.
2710 Remove mem:BLK from insn operands. Use Pmode scratch register.
2711 (*memory_barrier): Define as unspec instead of unspec_volatile.
2712 Use (match_dup 0) as input operand.
2714 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2715 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2716 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2717 scratch register. Remove operand 1.
2718 (*stbar): Define as unspec instead of unspec_volatile.
2719 Use (match_dup 0) as input operand, remove (const_int 8).
2720 (*membar): Define as unspec instead of unspec_volatile.
2721 Use (match_dup 0) as input operand, remove input operand 2.
2723 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2724 (memory_barrier): Expand as unspec instead of unspec_volatile.
2725 Remove mem:BLK from insn operands. Use Pmode scratch register.
2726 (*memory_barrier): Define as unspec instead of unspec_volatile.
2727 Use (match_dup 0) as input operand.
2729 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2730 Remove mem:BLK from insn operands. Use Pmode scratch register.
2731 Set volatile flag on operand 0.
2732 (*memory_barrier): New insn pattern.
2734 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2736 (*memory_barrier): Use (match_dup 0) as input operand.
2738 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2739 Remove mem:BLK from insn operands. Use Pmode scratch register.
2740 Set volatile flag on operand 0.
2741 (*mb_internal): New insn pattern.
2743 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2745 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2748 * function.c (struct temp_slot): Move to the section of the file
2749 that deals with temp slots. Remove field 'address'.
2750 (temp_slot_address_table): New hash table of address -> temp slot.
2751 (struct temp_slot_address_entry): New struct, items for the table.
2752 (temp_slot_address_compute_hash, temp_slot_address_hash,
2753 temp_slot_address_eq, insert_temp_slot_address): Support functions
2755 (find_temp_slot_from_address): Rewrite to use the new hash table.
2756 (remove_unused_temp_slot_addresses): Remove addresses of temp
2757 slots that have been made available.
2758 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2759 worker function for remove_unused_temp_slot_addresses.
2760 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2761 Add the temp slot address to the address -> temp slot map.
2762 (update_temp_slot_address): Update via insert_temp_slot_address.
2763 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2764 (pop_temp_slots): Likewise.
2765 (init_temp_slots): Allocate the address -> temp slot map, or empty
2766 the map if it is already allocated.
2767 (prepare_function_start): Initialize temp slot processing.
2769 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2772 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2773 Calculate the size of all stack vars assuming no packing of stack
2774 vars will happen, replacing a quadratic algorithm with a linear one.
2776 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2779 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2782 2009-01-03 Diego Novillo <dnovillo@google.com>
2784 * doc/contrib.texi: Update contributions.
2786 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2789 * builtins.c (fold_builtin_memory_op): Give up if either operand
2790 is volatile. Set srctype or desttype to non-qualified version
2794 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2797 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2799 PR rtl-optimization/35805
2800 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2801 problem if fast dce is able to remove any instructions.
2802 * dce.c (dce_process_block): Fix dump message.
2804 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2807 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2809 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2812 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2813 * tree-pretty-print.c (op_code_prio): New function.
2814 (op_prio): No longer static. Use op_code_prio.
2815 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2816 Use op_prio and op_code_prio to determine if () should be
2817 printed around operand(s) or not.
2819 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2820 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2821 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2822 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2823 pp_character instead of pp_string for single letter printing.
2825 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2827 * doc/extend.texi: Fix '#pragma GCC option' typo.
2829 2009-01-02 Richard Guenther <rguenther@suse.de>
2831 * doc/install.texi (--enable-checking): Mention different
2833 (--enable-stage1-checking): Document.
2835 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2838 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2839 case to be an error.
2841 2009-01-02 Ben Elliston <bje@au.ibm.com>
2843 * config/fp-bit.h (pack_d): Constify argument.
2844 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2845 (isnan): Constify argument.
2849 (_fpadd_parts): Constify return type.
2850 (_fpmul_parts): Likewise.
2851 (_fpdiv_parts): Likewise.
2853 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2856 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2857 warn about overwriting initializer with side-effects or
2858 -Woverride-init if !IMPLICIT.
2859 (output_init_element): Likewise. Pass IMPLICIT down to
2861 (process_init_element): Add IMPLICIT argument. Pass it down
2862 to output_init_element.
2863 (push_init_element, pop_init_level, set_designator): Adjust
2864 process_init_element callers.
2865 (set_nonincremental_init, set_nonincremental_init_from_string):
2866 Adjust add_pending_init callers.
2867 (output_pending_init_elements): Adjust output_init_element callers.
2868 * c-tree.h (process_init_element): Adjust prototype.
2869 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2870 process_init_element callers.