1 2009-03-11 Jason Merrill <jason@redhat.com>
4 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
5 end already did. Notice GIMPLE_CALL modifications of the result.
6 Don't copy debug information from an ignored decl or a decl from
9 2009-03-10 Richard Guenther <rguenther@suse.de>
10 Nathan Froyd <froydnj@codesourcery.com>
13 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
15 (__divMODE3): Likewise.
17 2009-03-09 Jakub Jelinek <jakub@redhat.com>
19 PR tree-optimization/39394
20 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
21 DECL_SIZE_UNIT of variable length FIELD_DECLs.
23 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
25 * recog.c (verfiy_changes): Disallow renaming of hard regs in
26 inline asms for register asm ("") declarations.
28 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
30 * fold-const.c (fold_unary): Fix comment.
32 2009-03-07 Jan Hubicka <jh@suse.cz>
35 * tree-inline.c (setup_one_parameter): Do replacement of const argument
36 by constant in SSA form.
38 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
41 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
42 determine alignment passed to assign_stack_local.
43 (assign_parms_unsplit_complex): Likewise.
44 * except.c (sjlj_build_landing_pads): Likewise.
46 2009-03-06 Jakub Jelinek <jakub@redhat.com>
49 * tree-flow.h (add_referenced_var): Return bool instead of void.
50 * tree-dfa.c (add_referenced_var): Return result of
51 referenced_var_check_and_insert call.
52 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
53 of referenced_var_check_and_insert.
56 * dwarf2out.c (add_abstract_origin_attribute): Return
58 (gen_variable_die): Emit DW_AT_location on abstract static variable's
59 DIE, don't emit it if abstract origin already has it.
60 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
61 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
63 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
65 * genpreds.c: (needs_variable): Fix parentheses at variable name
67 (write_tm_constrs_h): Indent generated code.
69 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
71 * doc/extend.texi (Function Attributes): Add documentation
74 2009-03-06 Jakub Jelinek <jakub@redhat.com>
77 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
78 take locus from its DECL_SOURCE_LOCATION instead of input_location.
80 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
82 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
85 2009-03-05 Jakub Jelinek <jakub@redhat.com>
88 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
89 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
91 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
93 * config/i386/i386.md (R8_REG, R9_REG): New constants.
94 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
95 constants instead of magic numbers.
96 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
98 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
99 (x86_64_ms_abi_int_parameter_registers): Ditto.
100 (x86_64_int_return_registers): Ditto.
101 (ix86_maybe_switch_abi): Ditto.
102 (ix86_expand_call): Ditto for clobbered_registers array.
103 (ix86_hard_regno_mode_ok): Ditto.
104 (x86_extended_QIreg_mentioned_p): Ditto.
106 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
108 PR tree-optimization/39349
109 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
111 * combine.c (gen_lowpart_for_combine): Use omode when generating
114 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
116 PR rtl-optimization/39235
117 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
119 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
121 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
123 2009-03-04 Richard Guenther <rguenther@suse.de>
125 PR tree-optimization/39362
126 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
127 that occur in abnormal PHIs should be varying.
129 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
131 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
133 (simple_iv): Take loop as an argument instead of statement.
134 * tree-scalar-evolution.h (simple_iv): Declaration changed.
135 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
137 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
139 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
140 * matrix-reorg.c (analyze_transpose): Ditto.
141 * tree-data-ref.c (dr_analyze_innermost): Ditto.
142 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
143 * tree-predcom.c (ref_at_iteration): Ditto.
144 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
146 2009-03-04 Richard Guenther <rguenther@suse.de>
148 PR tree-optimization/39358
149 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
150 escaped_id and callused_id.
151 (solve_graph): Likewise.
153 2009-03-04 Richard Guenther <rguenther@suse.de>
155 PR tree-optimization/39339
156 * tree-sra.c (try_instantiate_multiple_fields): Make it
157 no longer ICE on the above.
159 2009-03-03 Joseph Myers <joseph@codesourcery.com>
161 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
162 that fits within Pmode.
164 2009-03-03 Steve Ellcey <sje@cup.hp.com>
167 * tm.texi (LIBCALL_VALUE): Update description.
169 2009-03-03 Steve Ellcey <sje@cup.hp.com>
172 * doc/extend.texi (section): Update description.
174 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
177 * tree-inline.c (remapped_type): New.
178 (can_be_nonlocal): Call remapped_type instead of remap_type.
180 2009-03-03 Jakub Jelinek <jakub@redhat.com>
183 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
184 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
186 2009-03-03 Richard Guenther <rguenther@suse.de>
189 * tree.c (tree_nonartificial_location): New function.
190 * tree.h (tree_nonartificial_location): Declare.
191 * builtins.c (expand_builtin_memory_chk): Provide location
192 of the call location for artificial function pieces.
193 (maybe_emit_chk_warning): Likewise.
194 (maybe_emit_sprintf_chk_warning): Likewise.
195 (maybe_emit_free_warning): Likewise.
196 * expr.c (expand_expr_real_1): Likewise.
198 2009-03-03 Jakub Jelinek <jakub@redhat.com>
200 PR tree-optimization/39343
201 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
202 COMPONENT_REF t has ARRAY_TYPE.
204 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
207 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
208 when the type precision of the induction variable should be
209 larger than the type precision of nit.
210 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
211 * graphite.c (graphite_loop_normal_form): Same.
212 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
214 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
216 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
217 (*call_1_rex64_ms_sysv): Use named constants instead of magic
218 numbers to describe clobbered registers.
219 (*call_value_0_rex64_ms_sysv): Ditto.
220 * config/i386/mmx.md (mmx_emms): Ditto.
223 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
225 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
228 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
230 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
231 (spu_section_type_flags): New function.
233 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
235 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
236 reg_class_contents of FLOAT_REGS into a temporary.
238 2009-03-02 Richard Guenther <rguenther@suse.de>
239 Ira Rosen <irar@il.ibm.com>
241 PR tree-optimization/39318
242 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
243 information to the vectorized statement.
245 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
247 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
248 variable. Use defined names instead of magic constants for REX SSE
251 2009-03-01 Richard Guenther <rguenther@suse.de>
253 PR tree-optimization/39331
254 * omp-low.c (lower_send_shared_vars): Do not receive new
255 values for the reference of DECL_BY_REFERENCE parms or results.
257 2009-03-01 Jan Hubicka <jh@suse.cz>
260 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
261 BLOCK_NONLOCALIZED_VAR): New macros.
262 (tree_block): Add nonlocalized_vars.
263 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
264 gen_decl_die): Add origin argument. Allow generation of die with
266 (gen_member_die, gen_type_die_with_usage, force_decl_die,
267 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
269 (gen_block_die): Fix checking for unused blocks.
270 (process_scope_var): Break out from .... ; work with origins only.
271 (decls_for_scope) ... here; process nonlocalized list.
272 (dwarf2out_ignore_block): Look for nonlocalized vars.
273 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
275 (dump_scope_block): Dump them.
276 * tree-inline.c (remap_decls): Handle nonlocalized vars.
277 (remap_block): Likewise.
278 (can_be_nonlocal): New predicate.
279 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
281 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
283 * configure: Regenerate.
285 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
287 * optc-gen.awk: No need to duplicate option flags twice.
288 Reuse help texts for duplicate options which do not have
291 * gcc.c (display_help): Document --version.
293 * gcc.c (main): If print_help_list and verbose_flag, ensure
294 driver output comes before subprocess output.
296 * optc-gen.awk: Assign all remaining fields to help string,
297 space-separated, for multi-line help in *.opt.
299 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
300 -Wno-pedantic-ms-format is for MinGW targets only.
302 * doc/options.texi (Option file format): Fix bad indentation,
303 restoring dropped sentence.
305 2009-02-28 Jan Hubicka <jh@suse.cz>
307 * tree-inline.c (tree_function_versioning): Output debug info.
309 2009-02-28 Jan Hubicka <jh@suse.cz>
312 * tree-inline.c (setup_one_parameter): Do not copy propagate
313 arguments when not optimizing.
315 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
318 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
319 (avx_addsubv4df3): Likewise.
320 (*avx_addsubv4sf3): Likewise.
321 (sse3_addsubv4sf3): Likewise.
322 (*avx_addsubv2df3): Likewise.
323 (sse3_addsubv2df3): Likewise.
324 (avx_unpckhps256): Correct item selectors.
325 (avx_unpcklps256): Likewise.
326 (avx_unpckhpd256): Likewise.
327 (avx_unpcklpd256): Likewise.
329 2009-02-28 Jan Hubicka <jh@suse.cz>
331 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
333 (copy_arguments_for_versioning): If var is declared don't declare it.
334 (tree_function_versioning): First setup substitutions and then copy
337 2009-02-27 Jan Hubicka <jh@suse.cz>
340 * cgraph.h (varpool_output_debug_info): Remove.
341 * cgraphunit.c (varpool_output_debug_info): Remove.
342 * dwarf2out.c (deferred_locations_struct): New struct
343 (deferred_locations): New type.
344 (deferred_locations_list): New static var.
345 (deffer_location): New function.
346 (gen_variable_die): Use it.
347 (decls_for_scope): Output info on local static vars.
348 (dwarf2out_finish): Process deferred locations.
349 * varpool.c (varpool_output_debug_info): Remove.
351 2009-02-27 Jan Hubicka <jh@suse.cz>
354 * tree.h (TREE_PROTECTED): Fix comment.
355 (BLOCK_HANDLER_BLOCK): Remove.
356 (struct tree_block): Remove handler_block add body_block.
357 (inlined_function_outer_scope_p): New.
358 (is_body_block): Remove.
359 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
360 * dwarf2out.c (is_inlined_entry_point): Remove.
361 (add_high_low_attributes): Use inlined_function_outer_scope_p.
362 (gen_block_die): Use is_inlined_entry_point check. Remove body block
364 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
365 * gimplify.c (gimplify_expr): Gimplify body blocks.
366 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
367 block with multiple subblocks.
368 (dump_scope_block): Prettier output; dump more flags and info.
369 (dump_scope_blocks): New.
370 (remove_unused_locals): Use dump_scope_blocks.
371 * tree-flow.h (dump_scope_blocks): Declare.
372 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
373 * stmt.c (is_body_block): Remove.
374 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
375 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
377 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
380 * graphite.c (graphite_loop_normal_form): Do not call
381 number_of_iterations_exit from a gcc_assert.
383 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
385 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
386 jumps if COND is NULL.
387 (find_cond_jump): New function.
388 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
389 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
391 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
393 * config/alpha/alpha.h (alpha_expand_mov): Return false if
394 force_const_mem returns NULL_RTX.
396 2009-02-26 Jan Hubicka <jh@suse.cz>
399 * cgraph.h (varpool_output_debug_info): Remove.
400 * cgraphunit.c (varpool_output_debug_info): Remove.
401 * dwarf2out.c (deferred_locations_struct): New struct
402 (deferred_locations): New type.
403 (deferred_locations_list): New static var.
404 (deffer_location): New function.
405 (gen_variable_die): Use it.
406 (decls_for_scope): Output info on local static vars.
407 (dwarf2out_finish): Process deferred locations.
408 * varpool.c (varpool_output_debug_info): Remove.
410 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
412 PR rtl-optimization/39241
413 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
414 to subreg_offset_representable_p.
416 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
418 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
419 execute function prototype. Get f and nregs from max_reg_num
420 and get_insns. Remove the first backward pass as it's dead,
421 guard the forward pass by flag_expensive_optimizations.
422 (rest_of_handle_regmove): Delete.
423 (pass_regmove): Replace it with regmove_optimize.
425 2009-02-25 Martin Jambor <mjambor@suse.cz>
427 PR tree-optimization/39259
428 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
429 calls_alloca function flags.
430 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
433 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
435 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
436 flags_set_1_rtx, flags_set_1_set): Delete.
437 (regmove_optimize): Do not call mark_flags_life_zones.
439 2009-02-24 Julian Brown <julian@codesourcery.com>
442 * config/arm/arm.c (require_pic_register): Only set
443 cfun->machine->pic_reg once per function.
445 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
447 * doc/invoke.texi (Link Options): Document an easier way to pass
448 options that take arguments to the GNU linker using -Xlinker and -Wl.
450 2009-02-24 Steve Ellcey <sje@cup.hp.com>
453 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
455 2009-02-24 Richard Guenther <rguenther@suse.de>
458 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
460 2009-02-24 Richard Guenther <rguenther@suse.de>
461 Zdenek Dvorak <ook@ucw.cz>
463 PR tree-optimization/39233
464 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
465 from converting them to a generic type.
467 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
469 PR tree-optimization/39260
470 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
471 contains a condition with a real type.
472 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
474 2009-02-23 Jason Merrill <jason@redhat.com>
477 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
478 narrowing_initializer_constant_valid_p.
479 (narrowing_initializer_constant_valid_p): Don't return
480 null_pointer_node for adding a pointer to itself.
482 2009-02-23 Jan Hubicka <jh@suse.cz>
485 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
488 2009-02-23 Jan Hubicka <jh@suse.cz>
490 PR tree-optimization/37709
491 * tree.c (block_ultimate_origin): Move here from dwarf2out.
492 * tree.h (block_ultimate_origin): Declare.
493 * dwarf2out.c (block_ultimate_origin): Move to tree.c
494 * tree-ssa-live.c (remove_unused_scope_block_p):
495 Eliminate blocks containig no instructions nor live variables nor
497 (dump_scope_block): New function.
498 (remove_unused_locals): Enable removal of dead blocks by default;
499 enable dumping at TDF_DETAILS.
501 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
503 * config/i386/i386.c (classify_argument): Don't allow COImode
505 (function_arg_advance_32): Don't allow OImode.
506 (function_arg_32): Likewise.
507 (function_value_32): Likewise.
508 (return_in_memory_32): Likewise.
509 (function_arg_64): Remove OImode comment.
511 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
514 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
515 ix86_expand_vector_set for V4DImode in 64bit mode only.
516 (ix86_expand_vector_init_one_var): Likewise.
518 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
520 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
522 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
525 * loop-iv.c: Revert last change.
526 * emit-rtl.c: Likewise.
528 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
531 * config/i386/i386.c (type_natural_mode): Remove an extra
532 space in the warning message.
533 (function_value_32): Handle 32-byte vector modes.
534 (return_in_memory_32): Likewise.
536 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
538 * loop-iv.c (truncate_value): New function.
539 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
541 (lowpart_subreg): Move to...
542 * emit-rtl.c: ...here.
544 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
546 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
547 accidental and undocumented change at revision 140860.
549 2009-02-21 Joseph Myers <joseph@codesourcery.com>
551 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
552 take gimple_seq * arguments.
553 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
554 types_compatible_p langhook.
556 2009-02-20 Mark Mitchell <mark@codesourcery.com>
557 Joseph Myers <joseph@codesourcery.com>
559 * config/arm/arm.c (arm_builtin_va_list): New function.
560 (arm_expand_builtin_va_start): Likewise.
561 (arm_gimplify_va_arg_expr): Likewise.
562 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
563 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
564 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
565 (va_list_type): New variable.
566 (arm_mangle_type): Mangle va_list_type appropriately.
568 2009-02-20 Jakub Jelinek <jakub@redhat.com>
571 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
572 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
573 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
574 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
575 parameter to 1000 for -O1 by default.
576 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
578 * loop-invariant.c: Include params.h.
579 (move_loop_invariants): Don't call move_single_loop_invariants on
582 2009-02-20 Jaka Mocnik <jaka@xlab.si>
584 * calls.c (emit_library_call_value_1): Use slot_offset instead of
585 offset when calculating bounds for indexing stack_usage_map. Fixes
586 a buffer overflow with certain target setups.
588 2009-02-20 Jakub Jelinek <jakub@redhat.com>
591 * calls.c (expand_call): Clear try_tail_call if caller and callee
592 disagree in promotion of function return value.
594 2009-02-19 Jakub Jelinek <jakub@redhat.com>
597 * c-common.c (c_determine_visibility): If visibility changed and
598 DECL_RTL has been already set, call make_decl_rtl to update symbol
601 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
604 * varasm.c (assemble_variable): Don't check DECL_NAME when
605 globalizing a variable.
607 2009-02-19 Joseph Myers <joseph@codesourcery.com>
610 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
611 expression before any __builtin_trap call.
612 * c-typeck.c (build_function_call): Convert and check function
613 arguments before generating a call to a trap. Evaluate the
614 function arguments before the trap.
616 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
619 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
620 (UNSPEC_FXAM_MEM): New unspec.
621 (fxam<mode>2_i387_with_temp): New insn and split pattern.
622 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
623 memory using fxam<mode>2_i387_with_temp to remove excess precision.
625 2009-02-19 Richard Guenther <rguenther@suse.de>
627 PR tree-optimization/39207
628 PR tree-optimization/39074
629 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
630 storedanything_tree): New.
631 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
632 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
633 (build_succ_graph): Add edges from STOREDANYTHING to all
635 (init_base_vars): Initialize STOREDANYTHING.
636 (compute_points_to_sets): Free substitution info after
637 building the succ graph.
638 (ipa_pta_execute): Likewise.
640 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
642 (do_ds_constraint): Do not add to special var or non-pointer
644 (type_could_have_pointers): Split out from ...
645 (could_have_pointers): ... here. For arrays use the element type.
646 (create_variable_info_for): Initialize may_have_pointers.
647 (new_var_info): Likewise.
648 (handle_lhs_call): Make the HEAP variable unknown-sized.
649 (intra_create_variable_infos): Use a type with pointers for
650 PARM_NOALIAS, make it unknown-sized.
652 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
655 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
657 2009-02-18 Jason Merrill <jason@redhat.com>
660 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
661 value if DECL_EXTERNAL.
662 * tree-sra.c (sra_walk_gimple_assign): Likewise.
663 * target.h (gcc_target::binds_local_p): Clarify "module".
664 * tree.h (TREE_PUBLIC): Clarify "module".
666 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
669 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
670 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
672 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
675 * c.opt (Wabi): Support C and ObjC.
678 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
680 * config/i386/i386.c (classify_argument): Warn once about the ABI
681 change when passing union with long double.
683 * doc/invoke.texi: Update -Wabi for warning psABI changes.
685 2009-02-18 Joseph Myers <joseph@codesourcery.com>
688 * c-parser.c (c_parser_compound_statement): Always enter and leave
691 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
694 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
696 2009-02-18 Jakub Jelinek <jakub@redhat.com>
698 PR tree-optimization/36922
699 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
700 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
703 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
705 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
708 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
710 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
712 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
714 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
717 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
718 Richard Sandiford <rdsandiford@googlemail.com>
720 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
721 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
722 (loongson_biadd): ...this.
724 2009-02-17 Richard Guenther <rguenther@suse.de>
726 PR tree-optimization/39202
727 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
728 a var make sure to follow existing collapses.
730 2009-02-17 Richard Guenther <rguenther@suse.de>
733 * langhooks.c (lhd_print_error_function): Check for NULL block.
735 2009-02-17 Richard Guenther <rguenther@suse.de>
737 PR tree-optimization/39204
738 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
741 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
743 * config/soft-fp/double.h: Update from glibc CVS.
745 2009-02-17 Richard Guenther <rguenther@suse.de>
747 PR tree-optimization/39207
748 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
749 strict-aliasing warnings for pointers pointing to NULL.
751 2009-02-16 Joseph Myers <joseph@codesourcery.com>
754 * c-parser.c (c_parser_braced_init): Call pop_init_level when
755 skipping until next close brace.
757 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
760 * config/i386/i386.c (ix86_expand_push): Set memory alignment
761 to function argument boundary.
763 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
765 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
766 in the lea_add. Reload eventually constraints it properly.
767 * config/picochip/constraints.md : Remove the target constraint
768 "b", since it is not needed anymore.
770 2009-02-16 Jakub Jelinek <jakub@redhat.com>
772 * gthr-dce.h: Uglify function parameter and local variable names.
773 * gthr-gnat.h: Likewise.
774 * gthr-mipssde.h: Likewise.
775 * gthr-nks.h: Likewise.
776 * gthr-posix95.h: Likewise.
777 * gthr-posix.h: Likewise.
778 * gthr-rtems.h: Likewise.
779 * gthr-single.h: Likewise.
780 * gthr-solaris.h: Likewise.
781 * gthr-tpf.h: Likewise.
782 * gthr-vxworks.h: Likewise.
783 * gthr-win32.h: Likewise.
785 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
788 * config/i386/i386.md: Restrict the new peephole2 to move
789 between MMX/SSE registers.
791 2009-02-15 Richard Guenther <rguenther@suse.de>
794 2009-02-13 Richard Guenther <rguenther@suse.de>
796 * configure.ac: Enable LFS.
797 * configure: Re-generate.
798 * config.in: Likewise.
800 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
802 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
803 spu_srqwbyte, spu_srqwbytebc): Define.
804 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
805 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
806 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
807 "shrqby_<mode>"): New insn-and-split patterns.
808 * config/spu/spu.c (expand_builtin_args): Determine and return
809 number of operands using spu_builtin_description data.
810 (spu_expand_builtin_1): Use it.
812 2009-02-13 Steve Ellcey <sje@cup.hp.com>
815 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
818 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
821 * config/i386/i386.c (override_options): Correct warning
822 messages for -malign-loops, -malign-jumps and -malign-functions.
824 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
827 * config/i386/i386.md: Restrict the new peephole2 to move
828 between the general purpose registers.
830 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
833 * config/i386/i386.c (type_natural_mode): Add a new argument.
834 Return the original mode and warn ABI change if vector size is 32byte.
835 (function_arg_advance): Updated.
836 (function_arg): Likewise.
837 (ix86_function_value): Likewise.
838 (ix86_return_in_memory): Likewise.
839 (ix86_sol10_return_in_memory): Likewise.
840 (ix86_gimplify_va_arg): Likewise.
841 (function_arg_32): Don't warn ABX ABI change here.
842 (function_arg_64): Likewise.
844 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
846 * loop-iv.c (implies_p): In the final case, test that operands 0
847 of the two comparisons match.
849 * config/bfin/bfin.c (find_prev_insn_start): New function.
850 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
851 (find_next_insn_start): Move.
853 2009-02-13 Richard Guenther <rguenther@suse.de>
855 * configure.ac: Enable LFS.
856 * configure: Re-generate.
857 * config.in: Likewise.
859 2009-02-13 Joseph Myers <joseph@codesourcery.com>
862 * c-parser.c (c_parser_parms_list_declarator): Discard pending
863 sizes on syntax error after some arguments have been parsed.
865 2009-02-12 Jakub Jelinek <jakub@redhat.com>
867 * doc/invoke.texi (-fira): Remove.
869 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
871 * caller-save.c: Replace regclass.c with reginfo.c in comments.
875 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
877 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
878 (umul_ppmm): Likewise.
879 (count_leading_zeros): Likewise.
880 (count_trailing_zeros): Likewise.
881 (UMUL_TIME): Likewise.
883 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
885 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
886 soft-fp/t-softfp to tmake_file.
888 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
889 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
890 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
891 IA64_BUILTIN_INFQ]: New.
892 (ia64_init_builtins): Initialize __builtin_infq,
893 __builtin_fabsq and __builtin_copysignq if not HPUX.
894 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
895 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
897 * config/ia64/lib1funcs.asm (__divtf3): Define only if
899 (__fixtfti): Likewise.
900 (__fixunstfti): Likewise.
901 (__floattitf): Likewise.
903 * config/ia64/libgcc-glibc.ver: New.
904 * config/ia64/t-fprules-softfp: Likewise.
905 * config/ia64/sfp-machine.h: Likewise.
907 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
908 (LIBGCC2_TF_CEXT): Likewise.
910 (TARGET_INIT_LIBFUNCS): Likewise.
912 * config/ia64/t-glibc (SHLINB_MAPFILES):
913 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
915 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
917 * config/i386/i386.c (construct_container): Rewrite processing
918 BLKmode with X86_64_SSE_CLASS.
920 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
923 * config/i386/i386.md: Replace simplify_replace_rtx with
924 replace_rtx in the new peephole2.
926 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
928 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
929 loop unrolling do not happen at -O2.
931 2009-02-12 Michael Matz <matz@suse.de>
933 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
935 2009-02-12 Jakub Jelinek <jakub@redhat.com>
937 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
940 2009-02-12 Ben Elliston <bje@au.ibm.com>
942 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
943 patterns when updating the back chain. Missed in the 2009-02-10
946 2009-02-11 Janis Johnson <janis187@us.ibm.com>
948 * doc/extend.texi (Decimal Floating Types): Update identifier of
949 draft TR and list of missing support.
951 2009-02-11 Jakub Jelinek <jakub@redhat.com>
954 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
955 bit to variable length decl's flags, add it also to its
956 pointer replacement variable.
958 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
959 Jakub Jelinek <jakub@redhat.com>
962 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
963 (memory_blockage): New expander.
964 (*memory_blockage): New insn pattern.
965 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
966 instead of general blockage at the end of function prologue when
967 frame pointer is used to access red zone area. Do not emit blockage
968 when profiling, it is emitted in generic code.
969 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
970 function epilogue when frame pointer is used to access red zone area.
972 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
975 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
976 by arithmetic with memory operands.
977 * config/i386/predicates.md (commutative_operator): New.
979 2009-02-10 Janis Johnson <janis187@us.ibm.com>
981 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
984 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
986 * alias.h (record_alias_subset): Declare.
987 * alias.c (record_alias_subset): Make global.
989 2009-02-10 Nick Clifton <nickc@redhat.com>
991 * tree-parloops.c: Change license to GPLv3.
992 * ipa-struct-reorg.c: Change license to GPLv3.
993 * ipa-struct-reorg.h: Change license to GPLv3.
995 2009-02-10 Steve Ellcey <sje@cup.hp.com>
998 * c-decl.c (start_struct): Return NULL on error.
1000 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1003 * cfgloopmanip.c (remove_path): Call remove_bbs after
1004 cancel_loop_tree, not before it.
1007 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1008 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1009 VAR_DECLs were seen.
1010 * tree-ssa-live.c (remove_unused_locals): Recompute
1011 cfun->has_local_explicit_reg_vars.
1012 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1013 copies or clearings if cfun->has_local_explicit_reg_vars.
1015 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1018 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1019 of function prologue when frame pointer is used to access
1022 2009-02-10 Richard Guenther <rguenther@suse.de>
1025 * gimplify.c (gimple_regimplify_operands): Always look if
1026 we need to create a temporary.
1028 2009-02-10 Richard Guenther <rguenther@suse.de>
1030 PR tree-optimization/39132
1031 * tree-loop-distribution.c (todo): New global var.
1032 (generate_memset_zero): Trigger TODO_rebuild_alias.
1033 (tree_loop_distribution): Return todo.
1035 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1038 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1039 (x86_64_reg_class_name): Removed.
1040 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1041 first one isn't X86_64_SSE_CLASS or any other ones aren't
1042 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1043 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1044 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1045 and 3 X86_64_SSEUP_CLASS.
1046 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1047 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1049 2009-02-10 Ben Elliston <bje@au.ibm.com>
1051 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1052 form instruction to update the stack back chain word, even if the
1053 user has disabled the generation of update instructions.
1054 (movdi_<mode>_update_stack): New.
1055 (movsi_update_stack): Likewise.
1056 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1057 always use an update form instruction to update the stack back
1060 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1063 * graphite.c (if_region_set_false_region): After moving a region in
1064 the false branch of a condition, remove the empty dummy basic block.
1065 (gloog): Remove wrong fix for PR38953.
1067 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1069 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1070 generation due to implicit sign extension.
1072 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1075 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1076 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1078 2009-02-09 Richard Guenther <rguenther@suse.de>
1081 * convert.c (convert_to_real): Disable (float)fn((double)x)
1082 to fnf(x) conversion if errno differences may occur and
1083 -fmath-errno is set.
1085 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1087 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1088 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1089 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1091 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1094 * c-common.c (handle_alias_attribute): Disallow attribute for
1095 anything not a FUNCTION_DECL or VAR_DECL.
1097 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1100 * real.c (do_compare): Special-case compare of zero against
1101 decimal float value.
1103 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1106 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1107 as indicating flexible array members unless the field itself is
1108 being declarared as the incomplete array.
1110 2009-02-06 Jan Hubicka <jh@suse.cz>
1112 PR tree-optimization/38844
1113 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1116 2009-02-06 Richard Guenther <rguenther@suse.de>
1119 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1120 fork because we may expand it as __gcov_fork.
1122 2009-02-06 Nick Clifton <nickc@redhat.com>
1124 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1126 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1128 PR tree-optimization/35659
1129 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1130 vn_phi_eq): Shortcut if hashcode does not match.
1131 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1133 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1134 and avoid iterative_hash_expr.
1135 (FOR_EACH_VALUE_ID_IN_SET): New.
1136 (value_id_compare): Remove.
1137 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1138 sort expressions by value id.
1140 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1143 * config/sh/predicates.md (general_movsrc_operand): Don't check
1144 the subreg of system registers here.
1146 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1149 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1152 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1154 PR rtl-optimization/39110
1155 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1156 addresses, not aligned ones.
1158 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1159 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/39100
1162 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1163 comment says and add edges.
1165 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1168 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1169 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1171 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1173 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1174 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1175 register_bb_in_sese, new_sese, free_sese): Moved.
1176 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1177 outermost_loop_in_scop, build_scop_iteration_domain,
1178 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1179 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1180 Use loop_in_sese_p instead of loop_in_scop_p.
1181 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1182 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1183 (scopdet_basic_block_info): Fix bug in scop detection.
1184 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1185 eq_loop_to_cloog_loop): Remove.
1186 (nb_loops_around_loop_in_scop, nb_loop
1187 ref_nb_loops): Moved here...
1188 * graphite.h (ref_nb_loops): ... from here.
1189 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1190 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1191 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1192 * testsuite/gcc.dg/graphite/scop-19.c: New
1194 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1195 Hans-Peter Nilsson <hp@axis.com>
1197 PR rtl-optimization/37889
1198 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1199 Move offset handling from PLUS to before the switch. Use new
1200 arguments when considering SYMBOL_REFs too.
1201 (rtx_addr_can_trap_p): Pass dummy offset and size.
1202 (enum may_trap_p_flags): Remove.
1203 (may_trap_p_1): Pass size from MEM_SIZE.
1205 PR rtl-optimization/38921
1206 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1207 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1208 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1209 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1211 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1213 AVX Programming Reference (January, 2009)
1214 * config/i386/sse.md (*vpclmulqdq): New.
1216 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1218 PR tree-optimization/38977
1219 PR gcov-profile/38292
1220 * calls.c (special_function_p): Disregard __builtin_ prefix.
1222 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1224 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1225 non-indexable addresses even before reload.
1227 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1230 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1231 as having variable size. Do not give an error for unnamed
1232 parameters with [*] declarators. Give a warning for type names
1233 with [*] declarators and mark them as variable size.
1234 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1235 for sizeof applied to [*] type names.
1237 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1240 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1242 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1244 * gcc.c (process_command): Update copyright notice dates.
1245 * gcov.c (print_version): Likewise.
1246 * gcov-dump.c (print_version): Likewise.
1247 * mips-tfile.c (main): Likewise.
1248 * mips-tdump.c (main): Likewise.
1250 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1253 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1254 for composite type involving a zero-length array type.
1256 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1259 * function.c (match_asm_constraints_1): Skip over
1260 initial optional % in the constraint.
1263 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1264 supported, don't accept FIXED_CSTs.
1265 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1266 and _Sat is used without _Fract/_Accum. Set specs->type to
1267 integer_type_node for cts_fract/cts_accum if fixed point is not
1270 2009-02-02 Catherine Moore <clm@codesourcery.com>
1272 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1274 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1276 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1277 (ABI_HAS_64BIT_SYMBOLS): Use it.
1278 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1280 2009-02-02 Paul Brook <paul@codesourcery.com>
1282 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1284 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1287 * recog.h (asm_operand_ok): Add constraints argument.
1288 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1289 recurse on matching constraint.
1290 (check_asm_operands): Pass constraints as 3rd argument to
1291 asm_operand_ok. Don't look up matching constraint here.
1292 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1295 2009-02-02 Ben Elliston <bje@au.ibm.com>
1297 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1298 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1300 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1302 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1303 information. Remove some obsolete information. Reorganize.
1305 * config/pa/fptr.c: Revert license to GPL 2.
1306 * config/pa/milli64.S: Likewise.
1308 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1311 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1312 LIBRARY name in, instead of hard-coding it.
1313 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1314 extra target make frag to tmake_files according to EH model.
1315 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1316 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1317 frags that define makefile variable EH_MODEL appropriately.
1318 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1319 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1320 to "-sjlj" according to type of EH configured.
1321 (LIBGCC_SONAME): Concatenate it to shared library base name.
1322 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1323 to "_sjlj" according to type of EH configured.
1324 (LIBGCC_SONAME): Concatenate it to shared library base name.
1325 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1326 (SHLIB_LINK): Add missing semicolon to if-else construct.
1327 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1328 string value of "pe_dll" command-line option.
1329 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1330 (SHLIB_SONAME): Use it when overriding t-cygming default.
1331 (SHLIB_IMPLIB): Override t-cygming default.
1332 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1333 string value of "pe_dll" command-line option.
1335 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1338 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1339 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1341 2009-01-31 Richard Guenther <rguenther@suse.de>
1343 PR tree-optimization/38937
1344 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1345 computing the transitive closure.
1347 2009-01-30 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/39041
1350 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1351 Propagate variable indices only if the types match for this stmt.
1353 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1356 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1357 inline but never defined.
1359 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1361 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1362 (*insv_h_di_reg_extimm): New insn.
1363 (*insv_l<mode>_reg_extimm): New insn.
1365 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1367 * config/picochip/picochip.c (flag_conserve_stack): set
1368 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1369 fconserve-stack. Reduce call-overhead used by inliner.
1371 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1374 * common.opt (flag_conserve_stack): Initialised to zero.
1376 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1379 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1380 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1383 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1385 * ira-color.c (allocno_reload_assign): Update comments.
1386 * regmove.c (regmove_optimize): Likewise.
1390 2009-01-29 Robert Millan <rmh@aybabtu.com>
1392 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1393 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1394 `MD_UNWIND_SUPPORT'.
1395 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1397 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1399 PR tree-optimization/39007
1400 * tree-loop-distribution.c (generate_builtin): Use
1401 recompute_dominator to compute the immediate dominator of the
1402 basic block just after the loop.
1404 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1406 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1407 (ASM_OUTPUT_DWARF_PCREL): Define.
1409 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1411 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1412 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1413 global. Modify entries about regmove and IRA.
1415 * ra-conflict.c: Remove the file.
1417 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1419 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1420 (pass_regclass_init): Rename to pass_reginfo_init.
1422 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1424 * toplev.h (flag_ira): Remove.
1426 * caller-save.c (setup_save_areas): Remove flag_ira.
1428 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1430 * global.c: Remove the file.
1432 * opts.c: (decode_options): Remove flag_ira.
1434 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1436 * regmove.c: Modify file description.
1437 (find_use_as_address, try_auto_increment): Define them only if
1438 AUTO_INC_DEC is defined.
1439 (replacement_quality, replace_in_call_usage, fixup_match_1,
1440 stable_and_no_regs_but_for_p): Remove.
1441 (reg_set_in_bb): Make it static.
1442 (regmove_optimize): Remove flag_ira and code which worked for
1445 * local-alloc.c: Remove the file.
1447 * common.opt (fira): Remove.
1449 * ira.c: Include except.h.
1450 (eliminable_regset): Move from global.c.
1451 (mark_elimination): Ditto. Remove flag_ira.
1452 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1453 equiv_mem_modified, validate_equiv_mem_from_store,
1454 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1455 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1456 no_equiv, recorded_label_ref): Move from local-alloc.c.
1457 (update_equiv_regs): Ditto. Make it static.
1458 (print_insn_chain, print_insn_chains): Move it from global.c.
1459 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1460 (build_insn_chain): Ditto. Make it static.
1461 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1462 Rename to init_live_subregs.
1463 (gate_ira): Remove flag_ira.
1465 * regclass.c: Rename reginfo.c. Change file description.
1466 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1467 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1468 (init_reg_sets_1): Remove code for evaluation of
1469 reg_class_superclasses and losing_caller_save_reg_set.
1470 (init_regs): Remove init_reg_autoinc.
1471 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1472 ok_for_base_p_nonstrict): Remove.
1473 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1474 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1475 corresponding entries.
1476 (dump_regclass, record_operand_costs, scan_one_insn,
1477 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1478 record_address_regs, auto_inc_dec_reg_p): Remove.
1479 (gt-regclass.h): Rename to gt-reginfo.h.
1481 * rtl.h (dump_global_regs, retry_global_alloc,
1482 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1484 * Makefile.in (RA_H): Remove.
1485 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1486 Rename regclass.o to reginfo.o.
1487 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1489 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1490 (GTFILES): Rename regclass.c to reginfo.c.
1492 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1493 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1495 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1496 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1498 (finish_spills): Ditto. Remove code for !flag_ira.
1500 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1503 * doc/invoke.texi (rtl debug options): Complete rewrite.
1504 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1506 * mode-switching.c (pass_mode_switching): Rename pass from
1507 "mode-sw" to "mode_sw".
1508 * except.c (pass_convert_to_eh_ranges): Rename pass from
1509 "eh-ranges" to "eh_ranges".
1510 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1514 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1515 Alexander Monakov <amonakov@ispras.ru>
1518 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1520 (move_exprs_to_boundary): Change return type and pass through
1521 should_move from move_op. Relax assert. Update usage ...
1522 (schedule_expr_on_boundary): ... here. Use should_move instead of
1524 (move_op_orig_expr_found): Indicate that insn was disconnected from
1526 (code_motion_process_successors): Do not call after_merge_succs
1527 callback if original expression was not found when traversing any of
1529 (code_motion_path_driver): Change return type. Update prototype.
1530 (move_op): Update comment. Add a new parameter (should_move). Update
1531 prototype. Set *should_move based on indication provided by
1532 move_op_orig_expr_found.
1534 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1536 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1537 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1538 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1539 * config/rs6000/rs6000.c (rs6000_override_options): Default
1540 avoid-indexed-addresses on for Power6, off for everything else.
1541 (avoiding_indexed_address_p): New function.
1542 (rs6000_legitimize_address): Use it.
1543 (rs6000_legitimate_address): Likewise.
1544 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1546 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1548 PR tree-optimization/38997
1549 * tree-loop-distribution.c (generate_memset_zero): Use
1550 POINTER_PLUS_EXPR for a pointer addition.
1552 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1554 * config/s390/s390.md (bswap<mode>2): New pattern added.
1556 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1558 * config/s390/s390.md (*tls_load_31): Added type attribute.
1560 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1562 * config/s390/s390.md: Fix a few comments.
1564 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1566 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1567 (*tm<mode>_full): Fixed z10prop attribute.
1568 (*tst<mode>_extimm): Fixed z10prop attribute.
1569 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1570 (*tstqiCCT_cconly): Fixed z10prop attribute.
1571 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1572 (*movsi_larl): Fixed z10prop attribute.
1573 (*movsi_zarch): Fixed z10prop attribute.
1574 (*movsi_eas): Fixed z10prop attribute.
1575 (*movhi): Fixed z10prop attribute.
1576 (*movqi): Fixed z10prop attribute.
1577 (*movstrictqi): Fixed z10prop attribute.
1578 (*mov<mode>): Fixed z10prop attribute.
1579 (*movcc): Fixed z10prop attribute.
1580 (*sethighpartdi_64): Fixed z10prop attribute.
1581 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1582 (*negdi2_sign_cc): Fixed z10prop attribute.
1583 (*negdi2_sign): Fixed z10prop attribute.
1584 (*absdi2_sign_cc): Fixed z10prop attribute.
1585 (*absdi2_sign): Fixed z10prop attribute.
1586 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1587 (*negabsdi2_sign): Fixed z10prop attribute.
1588 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1589 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1590 (doloop_si64): Fixed z10prop attribute.
1591 (doloop_si31): Fixed z10prop attribute.
1592 (doloop_long): Fixed z10prop attribute.
1593 (indirect_jump): Fixed z10prop attribute.
1594 (nop): Fixed z10prop attribute.
1595 (main_base_64): Fixed z10prop attribute.
1596 (reload_base_64): Fixed z10prop attribute.
1598 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1600 PR rtl-optimization/38740
1601 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1603 * config/mips/mips.c (mips_reorg): Likewise.
1605 2009-01-28 Richard Guenther <rguenther@suse.de>
1607 PR tree-optimization/38926
1608 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1609 with the correct value id to a value.
1610 (do_regular_insertion): Use the value number of edoubleprime
1611 for the value number of the expr.
1614 2008-08-21 Richard Guenther <rguenther@suse.de>
1616 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1617 a PHI ask VN if it is already available.
1618 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1619 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1621 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1624 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1625 set to varying whenever max has TREE_OVERFLOW set, similarly
1626 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1628 2009-01-28 Richard Guenther <rguenther@suse.de>
1631 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1632 uninitialized aggregate uses in call arguments.
1634 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1636 PR tree-optimization/38984
1637 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1638 the nothing_id variable if -fno-delete-null-pointer-checks.
1640 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1643 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1644 (set_got_offset_rex64): Ditto.
1646 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1649 * doc/extend.texi: Improve local variable with asm reg.
1651 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1653 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1654 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1655 was not supplied then set warn_packed_bitfield_compat to the
1657 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1660 2009-01-27 Richard Guenther <rguenther@suse.de>
1662 PR tree-optimization/38503
1663 * cfgexpand.c (expand_gimple_basic_block): Ignore
1664 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1665 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1666 variables that cannot have TBAA applied.
1667 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1670 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1673 * calls.c (initialize_argument_information): Do not wrap complex
1674 arguments in SAVE_EXPR.
1676 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1678 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1679 (INSTALL_LIBGCC): Revert typo commit.
1681 2009-01-26 Richard Guenther <rguenther@suse.de>
1683 PR tree-optimization/38745
1684 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1685 from special handling.
1687 2009-01-26 Richard Guenther <rguenther@suse.de>
1689 PR tree-optimization/38745
1690 * tree-ssa.c (execute_update_addresses_taken): Do not include
1691 variables that cannot possibly be a register in not_reg_needs.
1692 Do not clear TREE_ADDRESSABLE on vars that may not become
1694 * tree-ssa.c (update_alias_info_1): Include those in the set
1695 of addressable vars.
1697 2009-01-26 Richard Guenther <rguenther@suse.de>
1700 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1701 * tree-ssa-dse.c: Include langhooks.h
1702 (execute_simple_dse): Remove stores with zero size.
1704 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1707 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1710 2009-01-24 Julian Brown <julian@codesourcery.com>
1712 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1713 config/arm/linux-atomic.c.
1714 * config/arm/linux-atomic.c: New.
1716 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1718 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1719 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1720 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1722 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1725 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1728 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1730 PR tree-optimization/38953
1731 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1732 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1733 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1734 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1737 2009-01-24 Paul Brook <paul@codesourcery.com>
1739 * config/arm/neon.md (neon_type): Move to arm.md.
1740 (neon_mov<VSTRUCT>): Add neon_type attribute.
1741 * config/arm/arm.md (neon_type): Move to here.
1742 (conds): Add "unconditioal" and use as default for NEON insns.
1744 2009-01-24 Ben Elliston <bje@au.ibm.com>
1746 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1747 void *' warning from -Wc++-compat.
1748 * Makefile.in (dominance.o-warn): Remove.
1750 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1752 PR tree-optimization/38932
1753 * fold-const.c (fold_unary_ignore_overflow): New.
1754 * tree.h (fold_unary_ignore_overflow): Declare.
1755 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1756 * tree-ssa-sccvn.c (visit_reference_op_load,
1757 simplify_unary_expression): Likewise.
1759 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1761 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1762 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1763 regardless of their type.
1764 * c-common.c (handle_packed_attribute): Don't ignore packed on
1766 * c.opt (Wpacked-bitfield-compat): New warning option.
1767 * stor-layout.c (place_field): Warn if offset of a field changed.
1768 * doc/extend.texi (packed): Mention the ABI change.
1769 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1770 (Warning Options): Add it to the list.
1772 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1774 * c-opts.c (c_common_post_options): Fix a typo in comments.
1776 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1779 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1780 variables to static.
1781 * doc/invoke.texi (-fmerge-all-constants): Update description.
1783 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1786 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1787 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1789 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1791 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1793 (LOCAL_ALIGNMENT): Similarly.
1795 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1796 Joseph Myers <joseph@codesourcery.com>
1798 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1799 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1800 * config/arm/arm-tune.md: Regenerate.
1801 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1804 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1806 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1807 version number to five.
1809 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1812 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1813 * c-common.c (set_underlying_type): Likewise.
1814 (is_typedef_decl ): Likewise
1816 (set_underlying_type): Likewise.
1817 (is_typedef_type): Likewise.
1819 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1822 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1825 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1828 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1829 (LIBGCC_SPEC): Don't define.
1830 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1832 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1834 PR rtl-optimization/38879
1835 * alias.c (base_alias_check): Unaligned access via AND address can
1836 alias all surrounding object types except those with sizes equal
1837 or wider than the size of unaligned access.
1839 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1842 * c-decl.c: (clone_underlying_type): Move this ...
1843 * c-common.c (set_underlying_type): ... here.
1844 Also, make sure the function properly sets TYPE_STUB_DECL() on
1845 the newly created typedef variant type.
1846 (is_typedef_decl ): New entry point.
1847 * tree.h: Added a new member member_types_needing_access_check to
1848 struct tree_decl_non_common.
1849 (set_underlying_type): New entry point.
1850 (is_typedef_type): Likewise.
1852 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1854 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1855 Check whether two instructions have memory references that
1856 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1857 are helper functions for traversing.
1858 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1859 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1860 not to draw dependency edge for instructions with non-conflicting
1863 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1866 * longlong.h: Update copyright years. Use soft-fp license notice.
1867 Sync __clz_tab declaration with glibc.
1869 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1872 * doc/extend.texi (syscall_linkage): New.
1873 (version_id): Modify.
1875 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1876 Richard Guenther <rguenther@suse.de>
1878 PR tree-optimization/38747
1879 PR tree-optimization/38748
1880 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1881 conversion if the base address is an indirect reference and the
1882 aliasing sets could cause issues.
1884 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1886 * common.opt (fgraphite, fgraphite-identity): Add comment for
1887 explaining why these options are not documented.
1889 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1891 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1892 gimple_call_lhs is NULL.
1894 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1897 * emit-rtl.c (adjust_address_1): Make sure memref is never
1900 2009-01-20 Ben Elliston <bje@au.ibm.com>
1902 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1903 const qualifier from arg parameter. Remove unnecessary cast to char *.
1904 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1905 const qualifier from arg 2.
1907 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1909 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1911 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1914 * rtl.h (reinit_regs): New prototype.
1915 * regclass.c: Include ira.h.
1917 * Makefile.in (regclass.o): Add ira.h.
1918 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1920 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1923 * c-common.c (handle_aligned_attribute): Use
1924 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1925 default alignment value.
1927 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1929 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1930 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1932 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1933 __BIGGEST_ALIGNMENT__.
1935 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1937 2009-01-18 Richard Guenther <rguenther@suse.de>
1939 PR tree-optimization/38819
1940 * tree-flow.h (operation_could_trap_helper_p): Declare.
1941 * tree-eh.c (operation_could_trap_helper_p): Export.
1942 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1943 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1944 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1945 are about to insert a possibly trapping instruction and fail
1948 2009-01-18 Andreas Schwab <schwab@suse.de>
1950 * doc/install.texi (Configuration): Remove obsolete paragraph
1951 about use of --with-gnu-ld with --with-gnu-as.
1953 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1955 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1956 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1957 Follow spelling conventions.
1959 2009-01-18 Ben Elliston <bje@au.ibm.com>
1961 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1962 C++ warning about implicit conversion from void * to struct
1964 (bitmap_obstack_free): Likewise for bitmap_element *.
1965 * Makefile.in (bitmap.o-warn): Remove.
1967 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1969 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1971 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1972 Tobias Grosser <tobi.grosser@amd.com>
1974 * graphite.c (graphite_trans_scop_block): Do not block single
1977 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1979 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1980 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1981 test with assertion.
1983 2009-01-16 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/38835
1987 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1988 and INT + PTR -> (INT)(PTR p+ INT) folding.
1989 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1991 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1994 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1995 the subreg from a lowpart subreg if it is also casting the value.
1997 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1998 Tobias Grosser <tobi.grosser@amd.com>
2000 * graphite.c (compare_prefix_loops): New.
2001 (build_scop_canonical_schedules): Rewritten.
2002 (graphite_transform_loops): Move build_scop_canonical_schedules
2003 after build_scop_iteration_domain.
2005 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2006 Tobias Grosser <tobi.grosser@amd.com>
2008 * graphite.c (add_conditions_to_domain): Add the loops to
2009 the dimension of the iteration domain. Do copy the domain
2010 only when it exists.
2011 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2012 (add_conditions_to_constraints): New.
2013 (can_generate_code_stmt, can_generate_code): Removed.
2014 (gloog): Do not call can_generate_code.
2015 (graphite_transform_loops): Call add_conditions_to_constraints
2016 after building the iteration domain.
2018 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2020 PR tree-optimization/38789
2021 * tree-ssa-threadedge.c
2022 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2023 __builtin_constant_p.
2025 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2027 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2028 examined before deleting them.
2030 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2032 * function.c (aggregate_value_p): Correctly extract the function
2033 type from CALL_EXPR_FN lookup.
2035 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2037 * config/picochip/picochip.c (picochip_override_options): Revert
2038 CFI asm flag disable commited previously.
2040 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2041 Tobias Grosser <tobi.grosser@amd.com>
2042 Jan Sjodin <jan.sjodin@amd.com>
2044 * graphite.c (scan_tree_for_params): On substractions negate
2045 all the coefficients of the term.
2046 (clast_to_gcc_expression_red): New. Handle reduction expressions
2047 of more than two operands.
2048 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2049 (get_vdef_before_scop): Handle also the case of default definitions.
2051 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2053 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2054 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2055 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2057 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2058 Joey Ye <joey.ye@intel.com>
2061 * cfgexpand.c (expand_stack_alignment): Don't update stack
2062 boundary nor check incoming stack boundary here.
2063 (gimple_expand_cfg): Update stack boundary and check incoming
2064 stack boundary here.
2066 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2068 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2070 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2072 PR rtl-optimization/38245
2073 * calls.c (expand_call): Add stack arguments to
2074 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2075 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2076 in regs and partially in memory or BLKmode arguments.
2077 (emit_library_call_value_1): Add stack arguments to
2078 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2079 ACCUMULATE_OUTGOING_ARGS).
2080 * dce.c: Include tm_p.h.
2081 (find_call_stack_args): New function.
2082 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2084 (mark_insn): Call find_call_stack_args for CALL_Ps.
2085 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2086 forwards. Allocate and free arg_stores bitmap if needed, pass it
2087 down to deletable_insn_p, don't mark stores set in arg_stores
2088 bitmap, clear the bitmap at the beginning of each bb.
2089 * Makefile.in (dce.o): Depend on $(TM_P_H).
2091 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2094 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2095 to make sure the insn is a conditional test (bug 22599). Reformat a
2098 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2101 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2102 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2103 (gloog): Do not call cleanup_tree_cfg.
2104 (graphite_transform_loops): Call cleanup_tree_cfg after all
2105 scops have been code generated.
2107 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2108 * doc/gty.texi (Invoking the garbage collector): Added new node
2109 and section documenting ggc_collect.
2111 2009-01-14 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/38826
2115 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2116 initialization notes only if we actually emitted a warning.
2117 (intra_create_variable_infos): Add constraints for a result decl
2118 that is passed by hidden reference.
2119 (build_pred_graph): Mark all related variables non-direct on
2122 2009-01-14 Nick Clifton <nickc@redhat.com>
2124 * ira-conflicts.c: Include addresses.h for the definition of
2126 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2127 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2129 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2132 * Makefile.in (ira-lives.o): Add except.h.
2134 * ira-lives.c: Include except.h.
2135 (process_bb_node_lives): Process can_throw_internal.
2137 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2139 PR rtl-optimization/38774
2140 * combine.c (simplify_set): When undoing cc_use change, don't do
2141 PUT_CODE on the newly created comparison, but instead put back the
2144 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2146 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2147 values. Remove duplicate arm8 entry.
2149 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2151 PR tree-optimization/38786
2152 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2153 the SSA_NAME case of expand_scalar_variables_expr.
2154 Set the type of an expression to the type of its assign statement.
2155 (expand_scalar_variables_expr): Also gather the scalar computation
2156 used to index the memory access. Do not pass loop_p.
2157 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2158 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2159 the gimple_stmt_iterator where it inserts new code.
2161 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2162 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2164 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2166 * graphite.h (debug_value): Removed.
2167 * graphite.c (debug_value): Removed.
2169 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2171 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2172 ldrd/strd with two 32-bit instructions.
2174 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2176 * config/arm/arm.c (struct processors): Pass for speed down into
2177 cost helper functions.
2178 (const_ok_for_op): Handle COMPARE and inequality nodes.
2179 (arm_rtx_costs_1): Rewrite.
2180 (arm_size_rtx_costs): Update prototype.
2181 (arm_rtx_costs): Pass speed down to helper functions.
2182 (arm_slowmul_rtx_costs): Rework cost calculations.
2183 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2184 (arm_9e_rtx_costs): Likewise.
2186 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2188 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2189 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2190 (alpha_legitimize_address): Do not split local symbols wider than
2191 UNITS_PER_WORD into HIGH/LO_SUM parts.
2193 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2196 * gcc.c (process_command): Replace call to execvp with calls
2197 to pex_one and exit.
2199 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2202 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2203 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2204 variant for devices with 3-byte PC.
2205 (__tablejump_elpm__) : New.
2207 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2210 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2211 offsetof member-designator, handle it as `[0].'.
2213 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2215 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2216 function when not using named sections on targets with named sections
2217 if branch distance is less than 262132.
2219 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2221 * combine.c (combine_instructions): Recompute
2222 optimize_this_for_speed_p for each BB in the main combine loop.
2224 2009-01-12 Tomas Bily <tbily@suse.cz>
2227 * tree-loop-distribution.c (prop_phis): New function.
2228 (generate_builtin): Call prop_phis.
2229 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2231 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2233 PR tree-optimization/38807
2234 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2235 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2237 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2239 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2240 subreg of op0 to the original op0.
2242 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2244 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2246 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2249 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2250 starting with digits.
2252 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2255 * config/arm/arm.c (arm_is_long_call_p): Don't call
2256 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2258 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2260 * regrename.c (regrename_optimize): Fix dumping.
2261 (find_oldest_value_reg): Preserve REG_POINTER.
2262 (copy_hardreg_forward_1): Likewise.
2264 2009-01-09 Diego Novillo <dnovillo@google.com>
2266 * gimple.h (struct gimple_statement_base) <uid>: Document
2267 the restrictions on its use.
2269 (gimple_set_uid): Tidy.
2271 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2273 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2274 zero guard even if align_bytes != 0 and count is smaller than
2277 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2279 PR rtl-optimization/38495
2280 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2281 (add_range_and_copies_from_move_list): Print all added ranges.
2282 Add ranges to memory optimized destination.
2284 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2288 * config/i386/i386.c (override_options): Reject
2289 -mstringop-strategy=rep_8byte with -m32.
2290 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2291 to 1. Do count comparison against epilogue_size_needed at compile
2292 time even when count_exp was constant forced into register. For
2293 size_needed don't jump to epilogue, instead just avoid aligning
2294 and invoke the body algorithm. If need_zero_guard, add zero guard
2295 even if count is non-zero, but smaller than size_needed + number of
2296 bytes that could be stored for alignment.
2297 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2298 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2299 but smaller than size_needed + number of bytes that could be stored
2300 for alignment. Compare size_needed with epilogue_size_needed instead
2301 of desired_align - align, don't adjust size_needed, pass
2302 epilogue_size_needed to the epilogue expanders.
2305 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2307 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2309 * pa.c (last_address): Change to unsigned.
2310 (update_total_code_bytes): Change argument to unsigned. Don't
2311 check if insn addresses are set.
2312 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2313 addresses are not set.
2314 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2316 2009-01-09 Nick Clifton <nickc@redhat.com>
2318 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2319 DECL_DECLARED_INLINE_P.
2321 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2324 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2325 GET_MODE (op0) in operand_subword_force calls.
2328 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2329 fold_convert arg0 operands to TREE_TYPE (op0) first.
2331 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2333 * params.def (ira-max-conflict-table-size): Decrease default value
2336 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2338 PR tree-optimization/37031
2339 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2341 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2342 allocate it using gc instead of heap, use VEC_quick_push instead of
2344 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2345 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2346 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2347 allocated vector from heap allocated.
2348 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2349 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2350 vector only after perfect_loop_nest_depth call.
2352 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2353 Jan Sjodin <jan.sjodin@amd.com>
2355 PR tree-optimization/38559
2356 * graphite.c (debug_value, copy_constraint,
2357 swap_constraint_variables, scale_constraint_variable, ): New.
2358 (get_lower_bound, get_upper_bound): Removed.
2359 (graphite_trans_bb_strip_mine): Clean up this code that works
2360 only for constant number of iterations. Fully copy upper and
2361 lower bound constraints, not only the constant part of them.
2362 * graphite.h (debug_value): Declared.
2364 2009-01-08 Ira Rosen <irar@il.ibm.com>
2366 PR tree-optimization/37194
2367 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2368 Don't add the cost of cost model guard in prologue to scalar
2369 outside cost in case of known number of iterations.
2371 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2372 Alan Modra <amodra@bigpond.net.au>
2374 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2375 non-word-aligned REG+CONST addressing.
2377 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2380 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2381 free_after_compilation when outputting a thunk.
2382 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2383 Do not call free_after_compilation here.
2385 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2387 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2388 (ix86_valid_target_attribute_inner_p): Ditto.
2390 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2392 PR tree-optimization/38492
2393 PR tree-optimization/38498
2394 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2395 * tree-chrec.h (scev_is_linear_expression): Declared.
2396 * graphite.c (graphite_cannot_represent_loop_niter): New.
2397 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2398 (graphite_loop_normal_form): Use gcc_assert.
2399 (scan_tree_for_params): Use CASE_CONVERT.
2400 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2401 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2402 Use gcc_assert. Discard scops that contain unhandled cases.
2403 (build_scop_conditions): Return a boolean status for unhandled cases.
2404 (strip_mine_profitable_p): Print the loop number, not its depth.
2405 (is_interchange_valid): Pass the depth of the loop nest, don't
2406 recompute it wrongly.
2407 (graphite_trans_bb_block): Same.
2408 (graphite_trans_bb_block): Print tentative of loop blocking.
2409 (graphite_trans_scop_block): Do not print that the loop has been
2411 (graphite_transform_loops): Do not handle scops that contain condition
2414 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2416 AVX Programming Reference (December, 2008)
2417 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2418 (_mm256_stream_pd): Likewise.
2419 (_mm256_stream_ps): Likewise.
2421 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2422 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2423 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2424 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2425 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2426 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2427 (ix86_expand_special_args_builtin): Likewise.
2429 * config/i386/sse.md (AVXMODEDI): New.
2430 (avx_movnt<mode>): Likewise.
2431 (avx_movnt<mode>): Likewise.
2432 (<sse>_movnt<mode>): Remove AVX support.
2433 (sse2_movntv2di): Likewise.
2435 2009-01-07 Richard Guenther <rguenther@suse.de>
2438 * fold-const.c (extract_muldiv): Remove obsolete comment.
2439 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2440 to PLUS_EXPR canonicalization for the canonicalization.
2442 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2444 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2445 hosted cross-compilers generating less efficient code.
2447 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2449 * function.h (rtl_data): Add a dbr_scheduled_p field.
2450 * reorg.c (dbr_schedule): Set it.
2451 (gate_handle_delay_slots): Check it.
2452 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2453 (mips_reorg): Check flag_delayed_branch instead of
2454 mips_base_delayed_branch.
2455 (mips_override_options): Don't set mips_base_delayed_branch
2456 or flag_delayed_branch.
2458 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2460 PR rtl-optimization/38426.
2461 * ira.c (ira): Set current_function_is_leaf earlier.
2463 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2465 PR rtl-optimization/38722
2466 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2467 too early, only set a flag and modify after last possible
2470 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2473 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2474 * real.c (decimal_single_format): Correct values of emin and emax.
2475 (decimal_double_format): Ditto.
2476 (decimal_quad_format): Ditto.
2477 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2478 computation of DECnn_MIN and DECnn_MAX for corrected values of
2479 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2480 __DECnn_MIN__, and adjust its computation for the corrected value
2483 2009-01-06 Jan Hubicka <jh@suse.cz>
2486 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2488 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2490 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2491 Add Robert Clark to the list of testers.
2493 2009-01-06 Jan Hubicka <jh@suse.cz>
2494 Kai Tietz <kai.tietz@onevision.com>
2496 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2497 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2499 2009-01-06 Jan Hubicka <jh@suse.cz>
2500 Kai Tietz <kai.tietz@onevision.com>
2502 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2504 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2505 (ix86_nsaved_regs): Count only general purpose regs.
2506 (ix86_nsaved_sseregs): New.
2507 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2508 to 16 for w64; compute padding and size of sse reg save area.
2509 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2510 general purpose regs.
2511 (ix86_emit_save_sse_regs_using_mov): New.
2512 (ix86_expand_prologue): Save SSE regs if needed.
2513 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2514 (ix86_emit_restore_sse_regs_using_mov): New.
2515 (ix86_expand_epilogue): Save SSE regs if needed.
2517 2009-01-06 Jan Hubicka <jh@suse.cz>
2518 Kai Tietz <kai.tietz@onevision.com>
2520 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2521 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2522 functions when accumulate outgoing args is off.
2524 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2527 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2528 before using pseudos_have_intersected_live_ranges_p.
2530 * ira-int.h (ira_assert): Always define.
2532 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2534 AVX Programming Reference (December, 2008)
2535 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2536 (_mm256_permute2_pd): Likewise.
2537 (_mm_permute2_ps): Likewise.
2538 (_mm256_permute2_ps): Likewise.
2539 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2540 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2542 * config/i386/i386.c (ix86_builtins): Remove
2543 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2544 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2545 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2546 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2547 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2548 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2549 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2550 __builtin_ia32_vpermil2ps256.
2551 (ix86_init_mmx_sse_builtins): Updated.
2552 (ix86_expand_args_builtin): Likewise.
2554 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2556 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2557 long absolute calls when generating PA 2.0 code.
2559 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2561 PR rtl-optimization/38583
2562 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2564 * params.def (ira-max-conflict-table-size): New.
2566 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2568 * ira.h (ira_conflicts_p): New external definition.
2570 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2571 table. Report this. Return result of building.
2572 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2573 building conflict table.
2575 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2576 (ira_color): Use ira_conflicts_p.
2578 * global.c: Include ira.h.
2579 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2582 * Makefile.in (global.o): Add ira.h.
2584 * ira-build.c (mark_all_loops_for_removal,
2585 propagate_some_info_from_allocno): New.
2586 (remove_unnecessary_allocnos): Call
2587 propagate_some_info_from_allocno.
2588 (remove_low_level_allocnos): New.
2589 (remove_unnecessary_regions): Add parameter. Call
2590 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2591 parameter to remove_unnecessary_regions.
2592 (ira_build): Remove all regions but root if the conflict table was
2593 not built. Update conflict hard regs for allocnos crossing calls.
2595 * ira.c (ira_conflicts_p): New global.
2596 (ira): Define and use ira_conflicts_p.
2598 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2599 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2600 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2602 2009-01-06 Ben Elliston <bje@au.ibm.com>
2604 * gengtype-lex.l (YY_NO_INPUT): Define.
2606 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2609 * c-common.c (handle_vector_size_attribute): Also reject
2612 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2614 PR tree-optimization/38492
2615 * graphite.c (rename_map_elt, debug_rename_elt,
2616 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2617 rename_map_elt_info, eq_rename_map_elts,
2618 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2619 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2620 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2621 (sese_build_livein_liveouts): New.
2622 (new_sese, free_sese): New.
2623 (new_scop): Call new_sese.
2624 (free_scop): Call free_sese.
2625 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2626 (register_old_new_names): Renamed register_old_and_new_names.
2627 (register_scop_liveout_renames, add_loop_exit_phis,
2628 insert_loop_close_phis, struct igp,
2629 default_liveout_before_guard, add_guard_exit_phis,
2630 insert_guard_phis, copy_renames): New.
2631 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2632 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2633 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2634 (scop_adjust_phis_for_liveouts): New.
2635 (gloog): Call scop_adjust_phis_for_liveouts.
2637 * graphite.h (struct sese): Documented. Added fields liveout,
2639 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2640 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2641 (struct scop): Added field liveout_renames.
2642 (SCOP_LIVEOUT_RENAMES): New.
2644 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2646 PR tree-optimization/38510
2647 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2648 (translate_clast): Call recompute_all_dominators before
2650 (gloog): Call recompute_all_dominators before graphite_verify.
2652 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2653 Jan Sjodin <jan.sjodin@amd.com>
2655 PR tree-optimization/38500
2656 * graphite.c (create_sese_edges): Call fix_loop_structure after
2659 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2661 * config.gcc: Add m32r*-*-rtems*.
2662 * config/m32r/rtems.h: New file.
2664 2009-01-05 Ben Elliston <bje@au.ibm.com>
2666 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2667 (.po.pox): Likewise.
2668 (po/gcc.pot): Likewise.
2670 2009-01-04 David S. Miller <davem@davemloft.net>
2672 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2673 (STARTING_FRAME_OFFSET): Always set to zero.
2675 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2677 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2678 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2679 fixed-point types, and vectors of the same.
2681 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2683 * config/mips/sync.md (*mb_barrier): Rename to...
2684 (*memory_barrier): ...this.
2686 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2688 * doc/extend.texi (Function Attributes): Move @cindex after @item
2689 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2690 and put in alphabetical order. Fix 'target' name and put in order.
2691 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2694 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2696 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2697 (memory_barrier): Expand as unspec instead of unspec_volatile.
2698 Remove mem:BLK from insn operands. Use Pmode scratch register.
2699 (*memory_barrier): Define as unspec instead of unspec_volatile.
2700 Use (match_dup 0) as input operand.
2702 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2703 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2704 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2705 scratch register. Remove operand 1.
2706 (*stbar): Define as unspec instead of unspec_volatile.
2707 Use (match_dup 0) as input operand, remove (const_int 8).
2708 (*membar): Define as unspec instead of unspec_volatile.
2709 Use (match_dup 0) as input operand, remove input operand 2.
2711 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2712 (memory_barrier): Expand as unspec instead of unspec_volatile.
2713 Remove mem:BLK from insn operands. Use Pmode scratch register.
2714 (*memory_barrier): Define as unspec instead of unspec_volatile.
2715 Use (match_dup 0) as input operand.
2717 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2718 Remove mem:BLK from insn operands. Use Pmode scratch register.
2719 Set volatile flag on operand 0.
2720 (*memory_barrier): New insn pattern.
2722 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2724 (*memory_barrier): Use (match_dup 0) as input operand.
2726 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2727 Remove mem:BLK from insn operands. Use Pmode scratch register.
2728 Set volatile flag on operand 0.
2729 (*mb_internal): New insn pattern.
2731 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2733 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2736 * function.c (struct temp_slot): Move to the section of the file
2737 that deals with temp slots. Remove field 'address'.
2738 (temp_slot_address_table): New hash table of address -> temp slot.
2739 (struct temp_slot_address_entry): New struct, items for the table.
2740 (temp_slot_address_compute_hash, temp_slot_address_hash,
2741 temp_slot_address_eq, insert_temp_slot_address): Support functions
2743 (find_temp_slot_from_address): Rewrite to use the new hash table.
2744 (remove_unused_temp_slot_addresses): Remove addresses of temp
2745 slots that have been made available.
2746 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2747 worker function for remove_unused_temp_slot_addresses.
2748 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2749 Add the temp slot address to the address -> temp slot map.
2750 (update_temp_slot_address): Update via insert_temp_slot_address.
2751 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2752 (pop_temp_slots): Likewise.
2753 (init_temp_slots): Allocate the address -> temp slot map, or empty
2754 the map if it is already allocated.
2755 (prepare_function_start): Initialize temp slot processing.
2757 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2760 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2761 Calculate the size of all stack vars assuming no packing of stack
2762 vars will happen, replacing a quadratic algorithm with a linear one.
2764 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2767 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2770 2009-01-03 Diego Novillo <dnovillo@google.com>
2772 * doc/contrib.texi: Update contributions.
2774 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2777 * builtins.c (fold_builtin_memory_op): Give up if either operand
2778 is volatile. Set srctype or desttype to non-qualified version
2782 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2785 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2787 PR rtl-optimization/35805
2788 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2789 problem if fast dce is able to remove any instructions.
2790 * dce.c (dce_process_block): Fix dump message.
2792 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2795 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2797 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2800 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2801 * tree-pretty-print.c (op_code_prio): New function.
2802 (op_prio): No longer static. Use op_code_prio.
2803 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2804 Use op_prio and op_code_prio to determine if () should be
2805 printed around operand(s) or not.
2807 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2808 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2809 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2810 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2811 pp_character instead of pp_string for single letter printing.
2813 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2815 * doc/extend.texi: Fix '#pragma GCC option' typo.
2817 2009-01-02 Richard Guenther <rguenther@suse.de>
2819 * doc/install.texi (--enable-checking): Mention different
2821 (--enable-stage1-checking): Document.
2823 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2826 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2827 case to be an error.
2829 2009-01-02 Ben Elliston <bje@au.ibm.com>
2831 * config/fp-bit.h (pack_d): Constify argument.
2832 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2833 (isnan): Constify argument.
2837 (_fpadd_parts): Constify return type.
2838 (_fpmul_parts): Likewise.
2839 (_fpdiv_parts): Likewise.
2841 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2844 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2845 warn about overwriting initializer with side-effects or
2846 -Woverride-init if !IMPLICIT.
2847 (output_init_element): Likewise. Pass IMPLICIT down to
2849 (process_init_element): Add IMPLICIT argument. Pass it down
2850 to output_init_element.
2851 (push_init_element, pop_init_level, set_designator): Adjust
2852 process_init_element callers.
2853 (set_nonincremental_init, set_nonincremental_init_from_string):
2854 Adjust add_pending_init callers.
2855 (output_pending_init_elements): Adjust output_init_element callers.
2856 * c-tree.h (process_init_element): Adjust prototype.
2857 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2858 process_init_element callers.