1 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3 * fold-const.c (fold_comparison): Only call fold_inf_compare
4 if the mode supports infinities.
6 2009-03-11 Jason Merrill <jason@redhat.com>
9 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
10 end already did. Notice GIMPLE_CALL modifications of the result.
11 Don't copy debug information from an ignored decl or a decl from
14 2009-03-10 Richard Guenther <rguenther@suse.de>
15 Nathan Froyd <froydnj@codesourcery.com>
18 * libgcc2.c (__mulMODE3): Use explicit assignments to form the
20 (__divMODE3): Likewise.
22 2009-03-09 Jakub Jelinek <jakub@redhat.com>
24 PR tree-optimization/39394
25 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
26 DECL_SIZE_UNIT of variable length FIELD_DECLs.
28 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
30 * recog.c (verfiy_changes): Disallow renaming of hard regs in
31 inline asms for register asm ("") declarations.
33 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
35 * fold-const.c (fold_unary): Fix comment.
37 2009-03-07 Jan Hubicka <jh@suse.cz>
40 * tree-inline.c (setup_one_parameter): Do replacement of const argument
41 by constant in SSA form.
43 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
46 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
47 determine alignment passed to assign_stack_local.
48 (assign_parms_unsplit_complex): Likewise.
49 * except.c (sjlj_build_landing_pads): Likewise.
51 2009-03-06 Jakub Jelinek <jakub@redhat.com>
54 * tree-flow.h (add_referenced_var): Return bool instead of void.
55 * tree-dfa.c (add_referenced_var): Return result of
56 referenced_var_check_and_insert call.
57 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
58 of referenced_var_check_and_insert.
61 * dwarf2out.c (add_abstract_origin_attribute): Return
63 (gen_variable_die): Emit DW_AT_location on abstract static variable's
64 DIE, don't emit it if abstract origin already has it.
65 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
66 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
68 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
70 * genpreds.c: (needs_variable): Fix parentheses at variable name
72 (write_tm_constrs_h): Indent generated code.
74 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
76 * doc/extend.texi (Function Attributes): Add documentation
79 2009-03-06 Jakub Jelinek <jakub@redhat.com>
82 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
83 take locus from its DECL_SOURCE_LOCATION instead of input_location.
85 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
87 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
90 2009-03-05 Jakub Jelinek <jakub@redhat.com>
93 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
94 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
96 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/i386.md (R8_REG, R9_REG): New constants.
99 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
100 constants instead of magic numbers.
101 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
103 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
104 (x86_64_ms_abi_int_parameter_registers): Ditto.
105 (x86_64_int_return_registers): Ditto.
106 (ix86_maybe_switch_abi): Ditto.
107 (ix86_expand_call): Ditto for clobbered_registers array.
108 (ix86_hard_regno_mode_ok): Ditto.
109 (x86_extended_QIreg_mentioned_p): Ditto.
111 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
113 PR tree-optimization/39349
114 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
116 * combine.c (gen_lowpart_for_combine): Use omode when generating
119 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
121 PR rtl-optimization/39235
122 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
124 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
126 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
128 2009-03-04 Richard Guenther <rguenther@suse.de>
130 PR tree-optimization/39362
131 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
132 that occur in abnormal PHIs should be varying.
134 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
136 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
138 (simple_iv): Take loop as an argument instead of statement.
139 * tree-scalar-evolution.h (simple_iv): Declaration changed.
140 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
142 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
144 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
145 * matrix-reorg.c (analyze_transpose): Ditto.
146 * tree-data-ref.c (dr_analyze_innermost): Ditto.
147 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
148 * tree-predcom.c (ref_at_iteration): Ditto.
149 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
151 2009-03-04 Richard Guenther <rguenther@suse.de>
153 PR tree-optimization/39358
154 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
155 escaped_id and callused_id.
156 (solve_graph): Likewise.
158 2009-03-04 Richard Guenther <rguenther@suse.de>
160 PR tree-optimization/39339
161 * tree-sra.c (try_instantiate_multiple_fields): Make it
162 no longer ICE on the above.
164 2009-03-03 Joseph Myers <joseph@codesourcery.com>
166 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
167 that fits within Pmode.
169 2009-03-03 Steve Ellcey <sje@cup.hp.com>
172 * tm.texi (LIBCALL_VALUE): Update description.
174 2009-03-03 Steve Ellcey <sje@cup.hp.com>
177 * doc/extend.texi (section): Update description.
179 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
182 * tree-inline.c (remapped_type): New.
183 (can_be_nonlocal): Call remapped_type instead of remap_type.
185 2009-03-03 Jakub Jelinek <jakub@redhat.com>
188 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
189 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
191 2009-03-03 Richard Guenther <rguenther@suse.de>
194 * tree.c (tree_nonartificial_location): New function.
195 * tree.h (tree_nonartificial_location): Declare.
196 * builtins.c (expand_builtin_memory_chk): Provide location
197 of the call location for artificial function pieces.
198 (maybe_emit_chk_warning): Likewise.
199 (maybe_emit_sprintf_chk_warning): Likewise.
200 (maybe_emit_free_warning): Likewise.
201 * expr.c (expand_expr_real_1): Likewise.
203 2009-03-03 Jakub Jelinek <jakub@redhat.com>
205 PR tree-optimization/39343
206 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
207 COMPONENT_REF t has ARRAY_TYPE.
209 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
212 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
213 when the type precision of the induction variable should be
214 larger than the type precision of nit.
215 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
216 * graphite.c (graphite_loop_normal_form): Same.
217 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
219 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
221 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
222 (*call_1_rex64_ms_sysv): Use named constants instead of magic
223 numbers to describe clobbered registers.
224 (*call_value_0_rex64_ms_sysv): Ditto.
225 * config/i386/mmx.md (mmx_emms): Ditto.
228 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
230 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
233 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
235 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
236 (spu_section_type_flags): New function.
238 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
240 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
241 reg_class_contents of FLOAT_REGS into a temporary.
243 2009-03-02 Richard Guenther <rguenther@suse.de>
244 Ira Rosen <irar@il.ibm.com>
246 PR tree-optimization/39318
247 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
248 information to the vectorized statement.
250 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
252 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
253 variable. Use defined names instead of magic constants for REX SSE
256 2009-03-01 Richard Guenther <rguenther@suse.de>
258 PR tree-optimization/39331
259 * omp-low.c (lower_send_shared_vars): Do not receive new
260 values for the reference of DECL_BY_REFERENCE parms or results.
262 2009-03-01 Jan Hubicka <jh@suse.cz>
265 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
266 BLOCK_NONLOCALIZED_VAR): New macros.
267 (tree_block): Add nonlocalized_vars.
268 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
269 gen_decl_die): Add origin argument. Allow generation of die with
271 (gen_member_die, gen_type_die_with_usage, force_decl_die,
272 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
274 (gen_block_die): Fix checking for unused blocks.
275 (process_scope_var): Break out from .... ; work with origins only.
276 (decls_for_scope) ... here; process nonlocalized list.
277 (dwarf2out_ignore_block): Look for nonlocalized vars.
278 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
280 (dump_scope_block): Dump them.
281 * tree-inline.c (remap_decls): Handle nonlocalized vars.
282 (remap_block): Likewise.
283 (can_be_nonlocal): New predicate.
284 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
286 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
288 * configure: Regenerate.
290 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
292 * optc-gen.awk: No need to duplicate option flags twice.
293 Reuse help texts for duplicate options which do not have
296 * gcc.c (display_help): Document --version.
298 * gcc.c (main): If print_help_list and verbose_flag, ensure
299 driver output comes before subprocess output.
301 * optc-gen.awk: Assign all remaining fields to help string,
302 space-separated, for multi-line help in *.opt.
304 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
305 -Wno-pedantic-ms-format is for MinGW targets only.
307 * doc/options.texi (Option file format): Fix bad indentation,
308 restoring dropped sentence.
310 2009-02-28 Jan Hubicka <jh@suse.cz>
312 * tree-inline.c (tree_function_versioning): Output debug info.
314 2009-02-28 Jan Hubicka <jh@suse.cz>
317 * tree-inline.c (setup_one_parameter): Do not copy propagate
318 arguments when not optimizing.
320 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
323 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
324 (avx_addsubv4df3): Likewise.
325 (*avx_addsubv4sf3): Likewise.
326 (sse3_addsubv4sf3): Likewise.
327 (*avx_addsubv2df3): Likewise.
328 (sse3_addsubv2df3): Likewise.
329 (avx_unpckhps256): Correct item selectors.
330 (avx_unpcklps256): Likewise.
331 (avx_unpckhpd256): Likewise.
332 (avx_unpcklpd256): Likewise.
334 2009-02-28 Jan Hubicka <jh@suse.cz>
336 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
338 (copy_arguments_for_versioning): If var is declared don't declare it.
339 (tree_function_versioning): First setup substitutions and then copy
342 2009-02-27 Jan Hubicka <jh@suse.cz>
345 * cgraph.h (varpool_output_debug_info): Remove.
346 * cgraphunit.c (varpool_output_debug_info): Remove.
347 * dwarf2out.c (deferred_locations_struct): New struct
348 (deferred_locations): New type.
349 (deferred_locations_list): New static var.
350 (deffer_location): New function.
351 (gen_variable_die): Use it.
352 (decls_for_scope): Output info on local static vars.
353 (dwarf2out_finish): Process deferred locations.
354 * varpool.c (varpool_output_debug_info): Remove.
356 2009-02-27 Jan Hubicka <jh@suse.cz>
359 * tree.h (TREE_PROTECTED): Fix comment.
360 (BLOCK_HANDLER_BLOCK): Remove.
361 (struct tree_block): Remove handler_block add body_block.
362 (inlined_function_outer_scope_p): New.
363 (is_body_block): Remove.
364 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
365 * dwarf2out.c (is_inlined_entry_point): Remove.
366 (add_high_low_attributes): Use inlined_function_outer_scope_p.
367 (gen_block_die): Use is_inlined_entry_point check. Remove body block
369 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
370 * gimplify.c (gimplify_expr): Gimplify body blocks.
371 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
372 block with multiple subblocks.
373 (dump_scope_block): Prettier output; dump more flags and info.
374 (dump_scope_blocks): New.
375 (remove_unused_locals): Use dump_scope_blocks.
376 * tree-flow.h (dump_scope_blocks): Declare.
377 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
378 * stmt.c (is_body_block): Remove.
379 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
380 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
382 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
385 * graphite.c (graphite_loop_normal_form): Do not call
386 number_of_iterations_exit from a gcc_assert.
388 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
390 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
391 jumps if COND is NULL.
392 (find_cond_jump): New function.
393 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
394 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
396 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
398 * config/alpha/alpha.h (alpha_expand_mov): Return false if
399 force_const_mem returns NULL_RTX.
401 2009-02-26 Jan Hubicka <jh@suse.cz>
404 * cgraph.h (varpool_output_debug_info): Remove.
405 * cgraphunit.c (varpool_output_debug_info): Remove.
406 * dwarf2out.c (deferred_locations_struct): New struct
407 (deferred_locations): New type.
408 (deferred_locations_list): New static var.
409 (deffer_location): New function.
410 (gen_variable_die): Use it.
411 (decls_for_scope): Output info on local static vars.
412 (dwarf2out_finish): Process deferred locations.
413 * varpool.c (varpool_output_debug_info): Remove.
415 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
417 PR rtl-optimization/39241
418 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
419 to subreg_offset_representable_p.
421 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
423 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
424 execute function prototype. Get f and nregs from max_reg_num
425 and get_insns. Remove the first backward pass as it's dead,
426 guard the forward pass by flag_expensive_optimizations.
427 (rest_of_handle_regmove): Delete.
428 (pass_regmove): Replace it with regmove_optimize.
430 2009-02-25 Martin Jambor <mjambor@suse.cz>
432 PR tree-optimization/39259
433 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
434 calls_alloca function flags.
435 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
438 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
440 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
441 flags_set_1_rtx, flags_set_1_set): Delete.
442 (regmove_optimize): Do not call mark_flags_life_zones.
444 2009-02-24 Julian Brown <julian@codesourcery.com>
447 * config/arm/arm.c (require_pic_register): Only set
448 cfun->machine->pic_reg once per function.
450 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
452 * doc/invoke.texi (Link Options): Document an easier way to pass
453 options that take arguments to the GNU linker using -Xlinker and -Wl.
455 2009-02-24 Steve Ellcey <sje@cup.hp.com>
458 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
460 2009-02-24 Richard Guenther <rguenther@suse.de>
463 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
465 2009-02-24 Richard Guenther <rguenther@suse.de>
466 Zdenek Dvorak <ook@ucw.cz>
468 PR tree-optimization/39233
469 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
470 from converting them to a generic type.
472 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
474 PR tree-optimization/39260
475 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
476 contains a condition with a real type.
477 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
479 2009-02-23 Jason Merrill <jason@redhat.com>
482 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
483 narrowing_initializer_constant_valid_p.
484 (narrowing_initializer_constant_valid_p): Don't return
485 null_pointer_node for adding a pointer to itself.
487 2009-02-23 Jan Hubicka <jh@suse.cz>
490 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
493 2009-02-23 Jan Hubicka <jh@suse.cz>
495 PR tree-optimization/37709
496 * tree.c (block_ultimate_origin): Move here from dwarf2out.
497 * tree.h (block_ultimate_origin): Declare.
498 * dwarf2out.c (block_ultimate_origin): Move to tree.c
499 * tree-ssa-live.c (remove_unused_scope_block_p):
500 Eliminate blocks containig no instructions nor live variables nor
502 (dump_scope_block): New function.
503 (remove_unused_locals): Enable removal of dead blocks by default;
504 enable dumping at TDF_DETAILS.
506 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
508 * config/i386/i386.c (classify_argument): Don't allow COImode
510 (function_arg_advance_32): Don't allow OImode.
511 (function_arg_32): Likewise.
512 (function_value_32): Likewise.
513 (return_in_memory_32): Likewise.
514 (function_arg_64): Remove OImode comment.
516 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
519 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
520 ix86_expand_vector_set for V4DImode in 64bit mode only.
521 (ix86_expand_vector_init_one_var): Likewise.
523 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
525 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
527 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
530 * loop-iv.c: Revert last change.
531 * emit-rtl.c: Likewise.
533 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
536 * config/i386/i386.c (type_natural_mode): Remove an extra
537 space in the warning message.
538 (function_value_32): Handle 32-byte vector modes.
539 (return_in_memory_32): Likewise.
541 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
543 * loop-iv.c (truncate_value): New function.
544 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
546 (lowpart_subreg): Move to...
547 * emit-rtl.c: ...here.
549 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
551 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
552 accidental and undocumented change at revision 140860.
554 2009-02-21 Joseph Myers <joseph@codesourcery.com>
556 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
557 take gimple_seq * arguments.
558 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
559 types_compatible_p langhook.
561 2009-02-20 Mark Mitchell <mark@codesourcery.com>
562 Joseph Myers <joseph@codesourcery.com>
564 * config/arm/arm.c (arm_builtin_va_list): New function.
565 (arm_expand_builtin_va_start): Likewise.
566 (arm_gimplify_va_arg_expr): Likewise.
567 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
568 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
569 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
570 (va_list_type): New variable.
571 (arm_mangle_type): Mangle va_list_type appropriately.
573 2009-02-20 Jakub Jelinek <jakub@redhat.com>
576 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
577 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
578 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
579 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
580 parameter to 1000 for -O1 by default.
581 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
583 * loop-invariant.c: Include params.h.
584 (move_loop_invariants): Don't call move_single_loop_invariants on
587 2009-02-20 Jaka Mocnik <jaka@xlab.si>
589 * calls.c (emit_library_call_value_1): Use slot_offset instead of
590 offset when calculating bounds for indexing stack_usage_map. Fixes
591 a buffer overflow with certain target setups.
593 2009-02-20 Jakub Jelinek <jakub@redhat.com>
596 * calls.c (expand_call): Clear try_tail_call if caller and callee
597 disagree in promotion of function return value.
599 2009-02-19 Jakub Jelinek <jakub@redhat.com>
602 * c-common.c (c_determine_visibility): If visibility changed and
603 DECL_RTL has been already set, call make_decl_rtl to update symbol
606 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
609 * varasm.c (assemble_variable): Don't check DECL_NAME when
610 globalizing a variable.
612 2009-02-19 Joseph Myers <joseph@codesourcery.com>
615 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
616 expression before any __builtin_trap call.
617 * c-typeck.c (build_function_call): Convert and check function
618 arguments before generating a call to a trap. Evaluate the
619 function arguments before the trap.
621 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
624 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
625 (UNSPEC_FXAM_MEM): New unspec.
626 (fxam<mode>2_i387_with_temp): New insn and split pattern.
627 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
628 memory using fxam<mode>2_i387_with_temp to remove excess precision.
630 2009-02-19 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/39207
633 PR tree-optimization/39074
634 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
635 storedanything_tree): New.
636 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
637 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
638 (build_succ_graph): Add edges from STOREDANYTHING to all
640 (init_base_vars): Initialize STOREDANYTHING.
641 (compute_points_to_sets): Free substitution info after
642 building the succ graph.
643 (ipa_pta_execute): Likewise.
645 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
647 (do_ds_constraint): Do not add to special var or non-pointer
649 (type_could_have_pointers): Split out from ...
650 (could_have_pointers): ... here. For arrays use the element type.
651 (create_variable_info_for): Initialize may_have_pointers.
652 (new_var_info): Likewise.
653 (handle_lhs_call): Make the HEAP variable unknown-sized.
654 (intra_create_variable_infos): Use a type with pointers for
655 PARM_NOALIAS, make it unknown-sized.
657 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
660 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
662 2009-02-18 Jason Merrill <jason@redhat.com>
665 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
666 value if DECL_EXTERNAL.
667 * tree-sra.c (sra_walk_gimple_assign): Likewise.
668 * target.h (gcc_target::binds_local_p): Clarify "module".
669 * tree.h (TREE_PUBLIC): Clarify "module".
671 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
674 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
675 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
677 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
680 * c.opt (Wabi): Support C and ObjC.
683 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
685 * config/i386/i386.c (classify_argument): Warn once about the ABI
686 change when passing union with long double.
688 * doc/invoke.texi: Update -Wabi for warning psABI changes.
690 2009-02-18 Joseph Myers <joseph@codesourcery.com>
693 * c-parser.c (c_parser_compound_statement): Always enter and leave
696 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
699 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
701 2009-02-18 Jakub Jelinek <jakub@redhat.com>
703 PR tree-optimization/36922
704 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
705 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
708 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
710 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
713 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
715 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
717 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
719 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
722 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
723 Richard Sandiford <rdsandiford@googlemail.com>
725 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
726 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
727 (loongson_biadd): ...this.
729 2009-02-17 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/39202
732 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
733 a var make sure to follow existing collapses.
735 2009-02-17 Richard Guenther <rguenther@suse.de>
738 * langhooks.c (lhd_print_error_function): Check for NULL block.
740 2009-02-17 Richard Guenther <rguenther@suse.de>
742 PR tree-optimization/39204
743 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
746 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
748 * config/soft-fp/double.h: Update from glibc CVS.
750 2009-02-17 Richard Guenther <rguenther@suse.de>
752 PR tree-optimization/39207
753 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
754 strict-aliasing warnings for pointers pointing to NULL.
756 2009-02-16 Joseph Myers <joseph@codesourcery.com>
759 * c-parser.c (c_parser_braced_init): Call pop_init_level when
760 skipping until next close brace.
762 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
765 * config/i386/i386.c (ix86_expand_push): Set memory alignment
766 to function argument boundary.
768 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
770 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
771 in the lea_add. Reload eventually constraints it properly.
772 * config/picochip/constraints.md : Remove the target constraint
773 "b", since it is not needed anymore.
775 2009-02-16 Jakub Jelinek <jakub@redhat.com>
777 * gthr-dce.h: Uglify function parameter and local variable names.
778 * gthr-gnat.h: Likewise.
779 * gthr-mipssde.h: Likewise.
780 * gthr-nks.h: Likewise.
781 * gthr-posix95.h: Likewise.
782 * gthr-posix.h: Likewise.
783 * gthr-rtems.h: Likewise.
784 * gthr-single.h: Likewise.
785 * gthr-solaris.h: Likewise.
786 * gthr-tpf.h: Likewise.
787 * gthr-vxworks.h: Likewise.
788 * gthr-win32.h: Likewise.
790 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
793 * config/i386/i386.md: Restrict the new peephole2 to move
794 between MMX/SSE registers.
796 2009-02-15 Richard Guenther <rguenther@suse.de>
799 2009-02-13 Richard Guenther <rguenther@suse.de>
801 * configure.ac: Enable LFS.
802 * configure: Re-generate.
803 * config.in: Likewise.
805 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
807 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
808 spu_srqwbyte, spu_srqwbytebc): Define.
809 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
810 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
811 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
812 "shrqby_<mode>"): New insn-and-split patterns.
813 * config/spu/spu.c (expand_builtin_args): Determine and return
814 number of operands using spu_builtin_description data.
815 (spu_expand_builtin_1): Use it.
817 2009-02-13 Steve Ellcey <sje@cup.hp.com>
820 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
823 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
826 * config/i386/i386.c (override_options): Correct warning
827 messages for -malign-loops, -malign-jumps and -malign-functions.
829 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
832 * config/i386/i386.md: Restrict the new peephole2 to move
833 between the general purpose registers.
835 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
838 * config/i386/i386.c (type_natural_mode): Add a new argument.
839 Return the original mode and warn ABI change if vector size is 32byte.
840 (function_arg_advance): Updated.
841 (function_arg): Likewise.
842 (ix86_function_value): Likewise.
843 (ix86_return_in_memory): Likewise.
844 (ix86_sol10_return_in_memory): Likewise.
845 (ix86_gimplify_va_arg): Likewise.
846 (function_arg_32): Don't warn ABX ABI change here.
847 (function_arg_64): Likewise.
849 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
851 * loop-iv.c (implies_p): In the final case, test that operands 0
852 of the two comparisons match.
854 * config/bfin/bfin.c (find_prev_insn_start): New function.
855 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
856 (find_next_insn_start): Move.
858 2009-02-13 Richard Guenther <rguenther@suse.de>
860 * configure.ac: Enable LFS.
861 * configure: Re-generate.
862 * config.in: Likewise.
864 2009-02-13 Joseph Myers <joseph@codesourcery.com>
867 * c-parser.c (c_parser_parms_list_declarator): Discard pending
868 sizes on syntax error after some arguments have been parsed.
870 2009-02-12 Jakub Jelinek <jakub@redhat.com>
872 * doc/invoke.texi (-fira): Remove.
874 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
876 * caller-save.c: Replace regclass.c with reginfo.c in comments.
880 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
882 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
883 (umul_ppmm): Likewise.
884 (count_leading_zeros): Likewise.
885 (count_trailing_zeros): Likewise.
886 (UMUL_TIME): Likewise.
888 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
890 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
891 soft-fp/t-softfp to tmake_file.
893 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
894 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
895 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
896 IA64_BUILTIN_INFQ]: New.
897 (ia64_init_builtins): Initialize __builtin_infq,
898 __builtin_fabsq and __builtin_copysignq if not HPUX.
899 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
900 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
902 * config/ia64/lib1funcs.asm (__divtf3): Define only if
904 (__fixtfti): Likewise.
905 (__fixunstfti): Likewise.
906 (__floattitf): Likewise.
908 * config/ia64/libgcc-glibc.ver: New.
909 * config/ia64/t-fprules-softfp: Likewise.
910 * config/ia64/sfp-machine.h: Likewise.
912 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
913 (LIBGCC2_TF_CEXT): Likewise.
915 (TARGET_INIT_LIBFUNCS): Likewise.
917 * config/ia64/t-glibc (SHLINB_MAPFILES):
918 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
920 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
922 * config/i386/i386.c (construct_container): Rewrite processing
923 BLKmode with X86_64_SSE_CLASS.
925 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
928 * config/i386/i386.md: Replace simplify_replace_rtx with
929 replace_rtx in the new peephole2.
931 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
933 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
934 loop unrolling do not happen at -O2.
936 2009-02-12 Michael Matz <matz@suse.de>
938 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
940 2009-02-12 Jakub Jelinek <jakub@redhat.com>
942 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
945 2009-02-12 Ben Elliston <bje@au.ibm.com>
947 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
948 patterns when updating the back chain. Missed in the 2009-02-10
951 2009-02-11 Janis Johnson <janis187@us.ibm.com>
953 * doc/extend.texi (Decimal Floating Types): Update identifier of
954 draft TR and list of missing support.
956 2009-02-11 Jakub Jelinek <jakub@redhat.com>
959 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
960 bit to variable length decl's flags, add it also to its
961 pointer replacement variable.
963 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
964 Jakub Jelinek <jakub@redhat.com>
967 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
968 (memory_blockage): New expander.
969 (*memory_blockage): New insn pattern.
970 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
971 instead of general blockage at the end of function prologue when
972 frame pointer is used to access red zone area. Do not emit blockage
973 when profiling, it is emitted in generic code.
974 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
975 function epilogue when frame pointer is used to access red zone area.
977 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
980 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
981 by arithmetic with memory operands.
982 * config/i386/predicates.md (commutative_operator): New.
984 2009-02-10 Janis Johnson <janis187@us.ibm.com>
986 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
989 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
991 * alias.h (record_alias_subset): Declare.
992 * alias.c (record_alias_subset): Make global.
994 2009-02-10 Nick Clifton <nickc@redhat.com>
996 * tree-parloops.c: Change license to GPLv3.
997 * ipa-struct-reorg.c: Change license to GPLv3.
998 * ipa-struct-reorg.h: Change license to GPLv3.
1000 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1003 * c-decl.c (start_struct): Return NULL on error.
1005 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1008 * cfgloopmanip.c (remove_path): Call remove_bbs after
1009 cancel_loop_tree, not before it.
1012 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1013 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1014 VAR_DECLs were seen.
1015 * tree-ssa-live.c (remove_unused_locals): Recompute
1016 cfun->has_local_explicit_reg_vars.
1017 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1018 copies or clearings if cfun->has_local_explicit_reg_vars.
1020 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1023 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1024 of function prologue when frame pointer is used to access
1027 2009-02-10 Richard Guenther <rguenther@suse.de>
1030 * gimplify.c (gimple_regimplify_operands): Always look if
1031 we need to create a temporary.
1033 2009-02-10 Richard Guenther <rguenther@suse.de>
1035 PR tree-optimization/39132
1036 * tree-loop-distribution.c (todo): New global var.
1037 (generate_memset_zero): Trigger TODO_rebuild_alias.
1038 (tree_loop_distribution): Return todo.
1040 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1043 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1044 (x86_64_reg_class_name): Removed.
1045 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1046 first one isn't X86_64_SSE_CLASS or any other ones aren't
1047 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1048 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1049 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1050 and 3 X86_64_SSEUP_CLASS.
1051 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1052 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1054 2009-02-10 Ben Elliston <bje@au.ibm.com>
1056 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1057 form instruction to update the stack back chain word, even if the
1058 user has disabled the generation of update instructions.
1059 (movdi_<mode>_update_stack): New.
1060 (movsi_update_stack): Likewise.
1061 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1062 always use an update form instruction to update the stack back
1065 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1068 * graphite.c (if_region_set_false_region): After moving a region in
1069 the false branch of a condition, remove the empty dummy basic block.
1070 (gloog): Remove wrong fix for PR38953.
1072 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1074 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1075 generation due to implicit sign extension.
1077 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1080 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1081 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1083 2009-02-09 Richard Guenther <rguenther@suse.de>
1086 * convert.c (convert_to_real): Disable (float)fn((double)x)
1087 to fnf(x) conversion if errno differences may occur and
1088 -fmath-errno is set.
1090 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1092 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1093 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1094 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1096 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1099 * c-common.c (handle_alias_attribute): Disallow attribute for
1100 anything not a FUNCTION_DECL or VAR_DECL.
1102 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1105 * real.c (do_compare): Special-case compare of zero against
1106 decimal float value.
1108 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1111 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1112 as indicating flexible array members unless the field itself is
1113 being declarared as the incomplete array.
1115 2009-02-06 Jan Hubicka <jh@suse.cz>
1117 PR tree-optimization/38844
1118 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1121 2009-02-06 Richard Guenther <rguenther@suse.de>
1124 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1125 fork because we may expand it as __gcov_fork.
1127 2009-02-06 Nick Clifton <nickc@redhat.com>
1129 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1131 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1133 PR tree-optimization/35659
1134 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1135 vn_phi_eq): Shortcut if hashcode does not match.
1136 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1138 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1139 and avoid iterative_hash_expr.
1140 (FOR_EACH_VALUE_ID_IN_SET): New.
1141 (value_id_compare): Remove.
1142 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1143 sort expressions by value id.
1145 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1148 * config/sh/predicates.md (general_movsrc_operand): Don't check
1149 the subreg of system registers here.
1151 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1154 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1157 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1159 PR rtl-optimization/39110
1160 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1161 addresses, not aligned ones.
1163 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1164 Richard Guenther <rguenther@suse.de>
1166 PR tree-optimization/39100
1167 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1168 comment says and add edges.
1170 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1173 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1174 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1176 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1178 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1179 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1180 register_bb_in_sese, new_sese, free_sese): Moved.
1181 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1182 outermost_loop_in_scop, build_scop_iteration_domain,
1183 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1184 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1185 Use loop_in_sese_p instead of loop_in_scop_p.
1186 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1187 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1188 (scopdet_basic_block_info): Fix bug in scop detection.
1189 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1190 eq_loop_to_cloog_loop): Remove.
1191 (nb_loops_around_loop_in_scop, nb_loop
1192 ref_nb_loops): Moved here...
1193 * graphite.h (ref_nb_loops): ... from here.
1194 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1195 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1196 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1197 * testsuite/gcc.dg/graphite/scop-19.c: New
1199 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1200 Hans-Peter Nilsson <hp@axis.com>
1202 PR rtl-optimization/37889
1203 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1204 Move offset handling from PLUS to before the switch. Use new
1205 arguments when considering SYMBOL_REFs too.
1206 (rtx_addr_can_trap_p): Pass dummy offset and size.
1207 (enum may_trap_p_flags): Remove.
1208 (may_trap_p_1): Pass size from MEM_SIZE.
1210 PR rtl-optimization/38921
1211 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1212 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1213 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1214 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1216 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1218 AVX Programming Reference (January, 2009)
1219 * config/i386/sse.md (*vpclmulqdq): New.
1221 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1223 PR tree-optimization/38977
1224 PR gcov-profile/38292
1225 * calls.c (special_function_p): Disregard __builtin_ prefix.
1227 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1229 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1230 non-indexable addresses even before reload.
1232 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1235 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1236 as having variable size. Do not give an error for unnamed
1237 parameters with [*] declarators. Give a warning for type names
1238 with [*] declarators and mark them as variable size.
1239 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1240 for sizeof applied to [*] type names.
1242 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1245 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1247 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1249 * gcc.c (process_command): Update copyright notice dates.
1250 * gcov.c (print_version): Likewise.
1251 * gcov-dump.c (print_version): Likewise.
1252 * mips-tfile.c (main): Likewise.
1253 * mips-tdump.c (main): Likewise.
1255 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1258 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1259 for composite type involving a zero-length array type.
1261 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1264 * function.c (match_asm_constraints_1): Skip over
1265 initial optional % in the constraint.
1268 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1269 supported, don't accept FIXED_CSTs.
1270 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1271 and _Sat is used without _Fract/_Accum. Set specs->type to
1272 integer_type_node for cts_fract/cts_accum if fixed point is not
1275 2009-02-02 Catherine Moore <clm@codesourcery.com>
1277 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1279 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1281 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1282 (ABI_HAS_64BIT_SYMBOLS): Use it.
1283 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1285 2009-02-02 Paul Brook <paul@codesourcery.com>
1287 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1289 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1292 * recog.h (asm_operand_ok): Add constraints argument.
1293 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1294 recurse on matching constraint.
1295 (check_asm_operands): Pass constraints as 3rd argument to
1296 asm_operand_ok. Don't look up matching constraint here.
1297 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1300 2009-02-02 Ben Elliston <bje@au.ibm.com>
1302 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1303 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1305 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1307 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1308 information. Remove some obsolete information. Reorganize.
1310 * config/pa/fptr.c: Revert license to GPL 2.
1311 * config/pa/milli64.S: Likewise.
1313 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1316 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1317 LIBRARY name in, instead of hard-coding it.
1318 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1319 extra target make frag to tmake_files according to EH model.
1320 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1321 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1322 frags that define makefile variable EH_MODEL appropriately.
1323 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1324 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1325 to "-sjlj" according to type of EH configured.
1326 (LIBGCC_SONAME): Concatenate it to shared library base name.
1327 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1328 to "_sjlj" according to type of EH configured.
1329 (LIBGCC_SONAME): Concatenate it to shared library base name.
1330 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1331 (SHLIB_LINK): Add missing semicolon to if-else construct.
1332 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1333 string value of "pe_dll" command-line option.
1334 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1335 (SHLIB_SONAME): Use it when overriding t-cygming default.
1336 (SHLIB_IMPLIB): Override t-cygming default.
1337 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1338 string value of "pe_dll" command-line option.
1340 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1343 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1344 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1346 2009-01-31 Richard Guenther <rguenther@suse.de>
1348 PR tree-optimization/38937
1349 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1350 computing the transitive closure.
1352 2009-01-30 Richard Guenther <rguenther@suse.de>
1354 PR tree-optimization/39041
1355 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1356 Propagate variable indices only if the types match for this stmt.
1358 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1361 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1362 inline but never defined.
1364 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1366 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1367 (*insv_h_di_reg_extimm): New insn.
1368 (*insv_l<mode>_reg_extimm): New insn.
1370 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1372 * config/picochip/picochip.c (flag_conserve_stack): set
1373 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1374 fconserve-stack. Reduce call-overhead used by inliner.
1376 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1379 * common.opt (flag_conserve_stack): Initialised to zero.
1381 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1384 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1385 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1388 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1390 * ira-color.c (allocno_reload_assign): Update comments.
1391 * regmove.c (regmove_optimize): Likewise.
1395 2009-01-29 Robert Millan <rmh@aybabtu.com>
1397 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1398 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1399 `MD_UNWIND_SUPPORT'.
1400 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1402 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1404 PR tree-optimization/39007
1405 * tree-loop-distribution.c (generate_builtin): Use
1406 recompute_dominator to compute the immediate dominator of the
1407 basic block just after the loop.
1409 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1411 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1412 (ASM_OUTPUT_DWARF_PCREL): Define.
1414 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1416 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1417 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1418 global. Modify entries about regmove and IRA.
1420 * ra-conflict.c: Remove the file.
1422 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1424 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1425 (pass_regclass_init): Rename to pass_reginfo_init.
1427 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1429 * toplev.h (flag_ira): Remove.
1431 * caller-save.c (setup_save_areas): Remove flag_ira.
1433 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1435 * global.c: Remove the file.
1437 * opts.c: (decode_options): Remove flag_ira.
1439 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1441 * regmove.c: Modify file description.
1442 (find_use_as_address, try_auto_increment): Define them only if
1443 AUTO_INC_DEC is defined.
1444 (replacement_quality, replace_in_call_usage, fixup_match_1,
1445 stable_and_no_regs_but_for_p): Remove.
1446 (reg_set_in_bb): Make it static.
1447 (regmove_optimize): Remove flag_ira and code which worked for
1450 * local-alloc.c: Remove the file.
1452 * common.opt (fira): Remove.
1454 * ira.c: Include except.h.
1455 (eliminable_regset): Move from global.c.
1456 (mark_elimination): Ditto. Remove flag_ira.
1457 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1458 equiv_mem_modified, validate_equiv_mem_from_store,
1459 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1460 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1461 no_equiv, recorded_label_ref): Move from local-alloc.c.
1462 (update_equiv_regs): Ditto. Make it static.
1463 (print_insn_chain, print_insn_chains): Move it from global.c.
1464 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1465 (build_insn_chain): Ditto. Make it static.
1466 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1467 Rename to init_live_subregs.
1468 (gate_ira): Remove flag_ira.
1470 * regclass.c: Rename reginfo.c. Change file description.
1471 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1472 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1473 (init_reg_sets_1): Remove code for evaluation of
1474 reg_class_superclasses and losing_caller_save_reg_set.
1475 (init_regs): Remove init_reg_autoinc.
1476 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1477 ok_for_base_p_nonstrict): Remove.
1478 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1479 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1480 corresponding entries.
1481 (dump_regclass, record_operand_costs, scan_one_insn,
1482 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1483 record_address_regs, auto_inc_dec_reg_p): Remove.
1484 (gt-regclass.h): Rename to gt-reginfo.h.
1486 * rtl.h (dump_global_regs, retry_global_alloc,
1487 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1489 * Makefile.in (RA_H): Remove.
1490 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1491 Rename regclass.o to reginfo.o.
1492 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1494 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1495 (GTFILES): Rename regclass.c to reginfo.c.
1497 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1498 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1500 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1501 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1503 (finish_spills): Ditto. Remove code for !flag_ira.
1505 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1508 * doc/invoke.texi (rtl debug options): Complete rewrite.
1509 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1511 * mode-switching.c (pass_mode_switching): Rename pass from
1512 "mode-sw" to "mode_sw".
1513 * except.c (pass_convert_to_eh_ranges): Rename pass from
1514 "eh-ranges" to "eh_ranges".
1515 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1519 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1520 Alexander Monakov <amonakov@ispras.ru>
1523 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1525 (move_exprs_to_boundary): Change return type and pass through
1526 should_move from move_op. Relax assert. Update usage ...
1527 (schedule_expr_on_boundary): ... here. Use should_move instead of
1529 (move_op_orig_expr_found): Indicate that insn was disconnected from
1531 (code_motion_process_successors): Do not call after_merge_succs
1532 callback if original expression was not found when traversing any of
1534 (code_motion_path_driver): Change return type. Update prototype.
1535 (move_op): Update comment. Add a new parameter (should_move). Update
1536 prototype. Set *should_move based on indication provided by
1537 move_op_orig_expr_found.
1539 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1541 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1542 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1543 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1544 * config/rs6000/rs6000.c (rs6000_override_options): Default
1545 avoid-indexed-addresses on for Power6, off for everything else.
1546 (avoiding_indexed_address_p): New function.
1547 (rs6000_legitimize_address): Use it.
1548 (rs6000_legitimate_address): Likewise.
1549 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1551 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1553 PR tree-optimization/38997
1554 * tree-loop-distribution.c (generate_memset_zero): Use
1555 POINTER_PLUS_EXPR for a pointer addition.
1557 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1559 * config/s390/s390.md (bswap<mode>2): New pattern added.
1561 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1563 * config/s390/s390.md (*tls_load_31): Added type attribute.
1565 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1567 * config/s390/s390.md: Fix a few comments.
1569 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1571 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1572 (*tm<mode>_full): Fixed z10prop attribute.
1573 (*tst<mode>_extimm): Fixed z10prop attribute.
1574 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1575 (*tstqiCCT_cconly): Fixed z10prop attribute.
1576 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1577 (*movsi_larl): Fixed z10prop attribute.
1578 (*movsi_zarch): Fixed z10prop attribute.
1579 (*movsi_eas): Fixed z10prop attribute.
1580 (*movhi): Fixed z10prop attribute.
1581 (*movqi): Fixed z10prop attribute.
1582 (*movstrictqi): Fixed z10prop attribute.
1583 (*mov<mode>): Fixed z10prop attribute.
1584 (*movcc): Fixed z10prop attribute.
1585 (*sethighpartdi_64): Fixed z10prop attribute.
1586 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1587 (*negdi2_sign_cc): Fixed z10prop attribute.
1588 (*negdi2_sign): Fixed z10prop attribute.
1589 (*absdi2_sign_cc): Fixed z10prop attribute.
1590 (*absdi2_sign): Fixed z10prop attribute.
1591 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1592 (*negabsdi2_sign): Fixed z10prop attribute.
1593 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1594 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1595 (doloop_si64): Fixed z10prop attribute.
1596 (doloop_si31): Fixed z10prop attribute.
1597 (doloop_long): Fixed z10prop attribute.
1598 (indirect_jump): Fixed z10prop attribute.
1599 (nop): Fixed z10prop attribute.
1600 (main_base_64): Fixed z10prop attribute.
1601 (reload_base_64): Fixed z10prop attribute.
1603 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1605 PR rtl-optimization/38740
1606 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1608 * config/mips/mips.c (mips_reorg): Likewise.
1610 2009-01-28 Richard Guenther <rguenther@suse.de>
1612 PR tree-optimization/38926
1613 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1614 with the correct value id to a value.
1615 (do_regular_insertion): Use the value number of edoubleprime
1616 for the value number of the expr.
1619 2008-08-21 Richard Guenther <rguenther@suse.de>
1621 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1622 a PHI ask VN if it is already available.
1623 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1624 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1626 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1629 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1630 set to varying whenever max has TREE_OVERFLOW set, similarly
1631 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1633 2009-01-28 Richard Guenther <rguenther@suse.de>
1636 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1637 uninitialized aggregate uses in call arguments.
1639 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1641 PR tree-optimization/38984
1642 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1643 the nothing_id variable if -fno-delete-null-pointer-checks.
1645 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1648 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1649 (set_got_offset_rex64): Ditto.
1651 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1654 * doc/extend.texi: Improve local variable with asm reg.
1656 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1658 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1659 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1660 was not supplied then set warn_packed_bitfield_compat to the
1662 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1665 2009-01-27 Richard Guenther <rguenther@suse.de>
1667 PR tree-optimization/38503
1668 * cfgexpand.c (expand_gimple_basic_block): Ignore
1669 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1670 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1671 variables that cannot have TBAA applied.
1672 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1675 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1678 * calls.c (initialize_argument_information): Do not wrap complex
1679 arguments in SAVE_EXPR.
1681 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1683 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1684 (INSTALL_LIBGCC): Revert typo commit.
1686 2009-01-26 Richard Guenther <rguenther@suse.de>
1688 PR tree-optimization/38745
1689 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1690 from special handling.
1692 2009-01-26 Richard Guenther <rguenther@suse.de>
1694 PR tree-optimization/38745
1695 * tree-ssa.c (execute_update_addresses_taken): Do not include
1696 variables that cannot possibly be a register in not_reg_needs.
1697 Do not clear TREE_ADDRESSABLE on vars that may not become
1699 * tree-ssa.c (update_alias_info_1): Include those in the set
1700 of addressable vars.
1702 2009-01-26 Richard Guenther <rguenther@suse.de>
1705 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1706 * tree-ssa-dse.c: Include langhooks.h
1707 (execute_simple_dse): Remove stores with zero size.
1709 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1712 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1715 2009-01-24 Julian Brown <julian@codesourcery.com>
1717 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1718 config/arm/linux-atomic.c.
1719 * config/arm/linux-atomic.c: New.
1721 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1723 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1724 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1725 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1727 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1730 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1733 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1735 PR tree-optimization/38953
1736 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1737 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1738 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1739 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1742 2009-01-24 Paul Brook <paul@codesourcery.com>
1744 * config/arm/neon.md (neon_type): Move to arm.md.
1745 (neon_mov<VSTRUCT>): Add neon_type attribute.
1746 * config/arm/arm.md (neon_type): Move to here.
1747 (conds): Add "unconditioal" and use as default for NEON insns.
1749 2009-01-24 Ben Elliston <bje@au.ibm.com>
1751 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1752 void *' warning from -Wc++-compat.
1753 * Makefile.in (dominance.o-warn): Remove.
1755 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1757 PR tree-optimization/38932
1758 * fold-const.c (fold_unary_ignore_overflow): New.
1759 * tree.h (fold_unary_ignore_overflow): Declare.
1760 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1761 * tree-ssa-sccvn.c (visit_reference_op_load,
1762 simplify_unary_expression): Likewise.
1764 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1766 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1767 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1768 regardless of their type.
1769 * c-common.c (handle_packed_attribute): Don't ignore packed on
1771 * c.opt (Wpacked-bitfield-compat): New warning option.
1772 * stor-layout.c (place_field): Warn if offset of a field changed.
1773 * doc/extend.texi (packed): Mention the ABI change.
1774 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1775 (Warning Options): Add it to the list.
1777 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1779 * c-opts.c (c_common_post_options): Fix a typo in comments.
1781 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1784 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1785 variables to static.
1786 * doc/invoke.texi (-fmerge-all-constants): Update description.
1788 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1791 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1792 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1794 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1796 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1798 (LOCAL_ALIGNMENT): Similarly.
1800 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1801 Joseph Myers <joseph@codesourcery.com>
1803 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1804 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1805 * config/arm/arm-tune.md: Regenerate.
1806 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1809 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1811 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1812 version number to five.
1814 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1817 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1818 * c-common.c (set_underlying_type): Likewise.
1819 (is_typedef_decl ): Likewise
1821 (set_underlying_type): Likewise.
1822 (is_typedef_type): Likewise.
1824 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1827 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1830 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1833 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1834 (LIBGCC_SPEC): Don't define.
1835 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1837 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1839 PR rtl-optimization/38879
1840 * alias.c (base_alias_check): Unaligned access via AND address can
1841 alias all surrounding object types except those with sizes equal
1842 or wider than the size of unaligned access.
1844 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1847 * c-decl.c: (clone_underlying_type): Move this ...
1848 * c-common.c (set_underlying_type): ... here.
1849 Also, make sure the function properly sets TYPE_STUB_DECL() on
1850 the newly created typedef variant type.
1851 (is_typedef_decl ): New entry point.
1852 * tree.h: Added a new member member_types_needing_access_check to
1853 struct tree_decl_non_common.
1854 (set_underlying_type): New entry point.
1855 (is_typedef_type): Likewise.
1857 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1859 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1860 Check whether two instructions have memory references that
1861 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1862 are helper functions for traversing.
1863 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1864 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1865 not to draw dependency edge for instructions with non-conflicting
1868 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1871 * longlong.h: Update copyright years. Use soft-fp license notice.
1872 Sync __clz_tab declaration with glibc.
1874 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1877 * doc/extend.texi (syscall_linkage): New.
1878 (version_id): Modify.
1880 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1881 Richard Guenther <rguenther@suse.de>
1883 PR tree-optimization/38747
1884 PR tree-optimization/38748
1885 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1886 conversion if the base address is an indirect reference and the
1887 aliasing sets could cause issues.
1889 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1891 * common.opt (fgraphite, fgraphite-identity): Add comment for
1892 explaining why these options are not documented.
1894 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1896 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1897 gimple_call_lhs is NULL.
1899 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1902 * emit-rtl.c (adjust_address_1): Make sure memref is never
1905 2009-01-20 Ben Elliston <bje@au.ibm.com>
1907 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1908 const qualifier from arg parameter. Remove unnecessary cast to char *.
1909 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1910 const qualifier from arg 2.
1912 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1914 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1916 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1919 * rtl.h (reinit_regs): New prototype.
1920 * regclass.c: Include ira.h.
1922 * Makefile.in (regclass.o): Add ira.h.
1923 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1925 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1928 * c-common.c (handle_aligned_attribute): Use
1929 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1930 default alignment value.
1932 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1934 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1935 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1937 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1938 __BIGGEST_ALIGNMENT__.
1940 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1942 2009-01-18 Richard Guenther <rguenther@suse.de>
1944 PR tree-optimization/38819
1945 * tree-flow.h (operation_could_trap_helper_p): Declare.
1946 * tree-eh.c (operation_could_trap_helper_p): Export.
1947 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1948 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1949 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1950 are about to insert a possibly trapping instruction and fail
1953 2009-01-18 Andreas Schwab <schwab@suse.de>
1955 * doc/install.texi (Configuration): Remove obsolete paragraph
1956 about use of --with-gnu-ld with --with-gnu-as.
1958 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1960 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1961 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1962 Follow spelling conventions.
1964 2009-01-18 Ben Elliston <bje@au.ibm.com>
1966 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1967 C++ warning about implicit conversion from void * to struct
1969 (bitmap_obstack_free): Likewise for bitmap_element *.
1970 * Makefile.in (bitmap.o-warn): Remove.
1972 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1974 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1976 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1977 Tobias Grosser <tobi.grosser@amd.com>
1979 * graphite.c (graphite_trans_scop_block): Do not block single
1982 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1984 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1985 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1986 test with assertion.
1988 2009-01-16 Richard Guenther <rguenther@suse.de>
1990 PR tree-optimization/38835
1992 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1993 and INT + PTR -> (INT)(PTR p+ INT) folding.
1994 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1996 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1999 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2000 the subreg from a lowpart subreg if it is also casting the value.
2002 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2003 Tobias Grosser <tobi.grosser@amd.com>
2005 * graphite.c (compare_prefix_loops): New.
2006 (build_scop_canonical_schedules): Rewritten.
2007 (graphite_transform_loops): Move build_scop_canonical_schedules
2008 after build_scop_iteration_domain.
2010 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2011 Tobias Grosser <tobi.grosser@amd.com>
2013 * graphite.c (add_conditions_to_domain): Add the loops to
2014 the dimension of the iteration domain. Do copy the domain
2015 only when it exists.
2016 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2017 (add_conditions_to_constraints): New.
2018 (can_generate_code_stmt, can_generate_code): Removed.
2019 (gloog): Do not call can_generate_code.
2020 (graphite_transform_loops): Call add_conditions_to_constraints
2021 after building the iteration domain.
2023 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2025 PR tree-optimization/38789
2026 * tree-ssa-threadedge.c
2027 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2028 __builtin_constant_p.
2030 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2032 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2033 examined before deleting them.
2035 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2037 * function.c (aggregate_value_p): Correctly extract the function
2038 type from CALL_EXPR_FN lookup.
2040 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2042 * config/picochip/picochip.c (picochip_override_options): Revert
2043 CFI asm flag disable commited previously.
2045 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2046 Tobias Grosser <tobi.grosser@amd.com>
2047 Jan Sjodin <jan.sjodin@amd.com>
2049 * graphite.c (scan_tree_for_params): On substractions negate
2050 all the coefficients of the term.
2051 (clast_to_gcc_expression_red): New. Handle reduction expressions
2052 of more than two operands.
2053 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2054 (get_vdef_before_scop): Handle also the case of default definitions.
2056 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2058 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2059 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2060 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2062 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2063 Joey Ye <joey.ye@intel.com>
2066 * cfgexpand.c (expand_stack_alignment): Don't update stack
2067 boundary nor check incoming stack boundary here.
2068 (gimple_expand_cfg): Update stack boundary and check incoming
2069 stack boundary here.
2071 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2073 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2075 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2077 PR rtl-optimization/38245
2078 * calls.c (expand_call): Add stack arguments to
2079 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2080 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2081 in regs and partially in memory or BLKmode arguments.
2082 (emit_library_call_value_1): Add stack arguments to
2083 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2084 ACCUMULATE_OUTGOING_ARGS).
2085 * dce.c: Include tm_p.h.
2086 (find_call_stack_args): New function.
2087 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2089 (mark_insn): Call find_call_stack_args for CALL_Ps.
2090 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2091 forwards. Allocate and free arg_stores bitmap if needed, pass it
2092 down to deletable_insn_p, don't mark stores set in arg_stores
2093 bitmap, clear the bitmap at the beginning of each bb.
2094 * Makefile.in (dce.o): Depend on $(TM_P_H).
2096 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2099 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2100 to make sure the insn is a conditional test (bug 22599). Reformat a
2103 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2106 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2107 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2108 (gloog): Do not call cleanup_tree_cfg.
2109 (graphite_transform_loops): Call cleanup_tree_cfg after all
2110 scops have been code generated.
2112 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2113 * doc/gty.texi (Invoking the garbage collector): Added new node
2114 and section documenting ggc_collect.
2116 2009-01-14 Richard Guenther <rguenther@suse.de>
2118 PR tree-optimization/38826
2120 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2121 initialization notes only if we actually emitted a warning.
2122 (intra_create_variable_infos): Add constraints for a result decl
2123 that is passed by hidden reference.
2124 (build_pred_graph): Mark all related variables non-direct on
2127 2009-01-14 Nick Clifton <nickc@redhat.com>
2129 * ira-conflicts.c: Include addresses.h for the definition of
2131 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2132 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2134 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2137 * Makefile.in (ira-lives.o): Add except.h.
2139 * ira-lives.c: Include except.h.
2140 (process_bb_node_lives): Process can_throw_internal.
2142 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2144 PR rtl-optimization/38774
2145 * combine.c (simplify_set): When undoing cc_use change, don't do
2146 PUT_CODE on the newly created comparison, but instead put back the
2149 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2151 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2152 values. Remove duplicate arm8 entry.
2154 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2156 PR tree-optimization/38786
2157 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2158 the SSA_NAME case of expand_scalar_variables_expr.
2159 Set the type of an expression to the type of its assign statement.
2160 (expand_scalar_variables_expr): Also gather the scalar computation
2161 used to index the memory access. Do not pass loop_p.
2162 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2163 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2164 the gimple_stmt_iterator where it inserts new code.
2166 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2167 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2169 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2171 * graphite.h (debug_value): Removed.
2172 * graphite.c (debug_value): Removed.
2174 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2176 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2177 ldrd/strd with two 32-bit instructions.
2179 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2181 * config/arm/arm.c (struct processors): Pass for speed down into
2182 cost helper functions.
2183 (const_ok_for_op): Handle COMPARE and inequality nodes.
2184 (arm_rtx_costs_1): Rewrite.
2185 (arm_size_rtx_costs): Update prototype.
2186 (arm_rtx_costs): Pass speed down to helper functions.
2187 (arm_slowmul_rtx_costs): Rework cost calculations.
2188 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2189 (arm_9e_rtx_costs): Likewise.
2191 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2193 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2194 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2195 (alpha_legitimize_address): Do not split local symbols wider than
2196 UNITS_PER_WORD into HIGH/LO_SUM parts.
2198 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2201 * gcc.c (process_command): Replace call to execvp with calls
2202 to pex_one and exit.
2204 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2207 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2208 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2209 variant for devices with 3-byte PC.
2210 (__tablejump_elpm__) : New.
2212 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2215 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2216 offsetof member-designator, handle it as `[0].'.
2218 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2220 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2221 function when not using named sections on targets with named sections
2222 if branch distance is less than 262132.
2224 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2226 * combine.c (combine_instructions): Recompute
2227 optimize_this_for_speed_p for each BB in the main combine loop.
2229 2009-01-12 Tomas Bily <tbily@suse.cz>
2232 * tree-loop-distribution.c (prop_phis): New function.
2233 (generate_builtin): Call prop_phis.
2234 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2236 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2238 PR tree-optimization/38807
2239 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2240 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2242 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2244 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2245 subreg of op0 to the original op0.
2247 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2249 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2251 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2254 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2255 starting with digits.
2257 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2260 * config/arm/arm.c (arm_is_long_call_p): Don't call
2261 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2263 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2265 * regrename.c (regrename_optimize): Fix dumping.
2266 (find_oldest_value_reg): Preserve REG_POINTER.
2267 (copy_hardreg_forward_1): Likewise.
2269 2009-01-09 Diego Novillo <dnovillo@google.com>
2271 * gimple.h (struct gimple_statement_base) <uid>: Document
2272 the restrictions on its use.
2274 (gimple_set_uid): Tidy.
2276 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2278 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2279 zero guard even if align_bytes != 0 and count is smaller than
2282 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2284 PR rtl-optimization/38495
2285 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2286 (add_range_and_copies_from_move_list): Print all added ranges.
2287 Add ranges to memory optimized destination.
2289 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2293 * config/i386/i386.c (override_options): Reject
2294 -mstringop-strategy=rep_8byte with -m32.
2295 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2296 to 1. Do count comparison against epilogue_size_needed at compile
2297 time even when count_exp was constant forced into register. For
2298 size_needed don't jump to epilogue, instead just avoid aligning
2299 and invoke the body algorithm. If need_zero_guard, add zero guard
2300 even if count is non-zero, but smaller than size_needed + number of
2301 bytes that could be stored for alignment.
2302 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2303 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2304 but smaller than size_needed + number of bytes that could be stored
2305 for alignment. Compare size_needed with epilogue_size_needed instead
2306 of desired_align - align, don't adjust size_needed, pass
2307 epilogue_size_needed to the epilogue expanders.
2310 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2312 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2314 * pa.c (last_address): Change to unsigned.
2315 (update_total_code_bytes): Change argument to unsigned. Don't
2316 check if insn addresses are set.
2317 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2318 addresses are not set.
2319 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2321 2009-01-09 Nick Clifton <nickc@redhat.com>
2323 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2324 DECL_DECLARED_INLINE_P.
2326 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2329 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2330 GET_MODE (op0) in operand_subword_force calls.
2333 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2334 fold_convert arg0 operands to TREE_TYPE (op0) first.
2336 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2338 * params.def (ira-max-conflict-table-size): Decrease default value
2341 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2343 PR tree-optimization/37031
2344 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2346 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2347 allocate it using gc instead of heap, use VEC_quick_push instead of
2349 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2350 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2351 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2352 allocated vector from heap allocated.
2353 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2354 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2355 vector only after perfect_loop_nest_depth call.
2357 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2358 Jan Sjodin <jan.sjodin@amd.com>
2360 PR tree-optimization/38559
2361 * graphite.c (debug_value, copy_constraint,
2362 swap_constraint_variables, scale_constraint_variable, ): New.
2363 (get_lower_bound, get_upper_bound): Removed.
2364 (graphite_trans_bb_strip_mine): Clean up this code that works
2365 only for constant number of iterations. Fully copy upper and
2366 lower bound constraints, not only the constant part of them.
2367 * graphite.h (debug_value): Declared.
2369 2009-01-08 Ira Rosen <irar@il.ibm.com>
2371 PR tree-optimization/37194
2372 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2373 Don't add the cost of cost model guard in prologue to scalar
2374 outside cost in case of known number of iterations.
2376 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2377 Alan Modra <amodra@bigpond.net.au>
2379 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2380 non-word-aligned REG+CONST addressing.
2382 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2385 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2386 free_after_compilation when outputting a thunk.
2387 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2388 Do not call free_after_compilation here.
2390 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2392 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2393 (ix86_valid_target_attribute_inner_p): Ditto.
2395 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2397 PR tree-optimization/38492
2398 PR tree-optimization/38498
2399 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2400 * tree-chrec.h (scev_is_linear_expression): Declared.
2401 * graphite.c (graphite_cannot_represent_loop_niter): New.
2402 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2403 (graphite_loop_normal_form): Use gcc_assert.
2404 (scan_tree_for_params): Use CASE_CONVERT.
2405 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2406 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2407 Use gcc_assert. Discard scops that contain unhandled cases.
2408 (build_scop_conditions): Return a boolean status for unhandled cases.
2409 (strip_mine_profitable_p): Print the loop number, not its depth.
2410 (is_interchange_valid): Pass the depth of the loop nest, don't
2411 recompute it wrongly.
2412 (graphite_trans_bb_block): Same.
2413 (graphite_trans_bb_block): Print tentative of loop blocking.
2414 (graphite_trans_scop_block): Do not print that the loop has been
2416 (graphite_transform_loops): Do not handle scops that contain condition
2419 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2421 AVX Programming Reference (December, 2008)
2422 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2423 (_mm256_stream_pd): Likewise.
2424 (_mm256_stream_ps): Likewise.
2426 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2427 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2428 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2429 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2430 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2431 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2432 (ix86_expand_special_args_builtin): Likewise.
2434 * config/i386/sse.md (AVXMODEDI): New.
2435 (avx_movnt<mode>): Likewise.
2436 (avx_movnt<mode>): Likewise.
2437 (<sse>_movnt<mode>): Remove AVX support.
2438 (sse2_movntv2di): Likewise.
2440 2009-01-07 Richard Guenther <rguenther@suse.de>
2443 * fold-const.c (extract_muldiv): Remove obsolete comment.
2444 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2445 to PLUS_EXPR canonicalization for the canonicalization.
2447 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2449 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2450 hosted cross-compilers generating less efficient code.
2452 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2454 * function.h (rtl_data): Add a dbr_scheduled_p field.
2455 * reorg.c (dbr_schedule): Set it.
2456 (gate_handle_delay_slots): Check it.
2457 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2458 (mips_reorg): Check flag_delayed_branch instead of
2459 mips_base_delayed_branch.
2460 (mips_override_options): Don't set mips_base_delayed_branch
2461 or flag_delayed_branch.
2463 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2465 PR rtl-optimization/38426.
2466 * ira.c (ira): Set current_function_is_leaf earlier.
2468 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2470 PR rtl-optimization/38722
2471 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2472 too early, only set a flag and modify after last possible
2475 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2478 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2479 * real.c (decimal_single_format): Correct values of emin and emax.
2480 (decimal_double_format): Ditto.
2481 (decimal_quad_format): Ditto.
2482 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2483 computation of DECnn_MIN and DECnn_MAX for corrected values of
2484 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2485 __DECnn_MIN__, and adjust its computation for the corrected value
2488 2009-01-06 Jan Hubicka <jh@suse.cz>
2491 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2493 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2495 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2496 Add Robert Clark to the list of testers.
2498 2009-01-06 Jan Hubicka <jh@suse.cz>
2499 Kai Tietz <kai.tietz@onevision.com>
2501 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2502 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2504 2009-01-06 Jan Hubicka <jh@suse.cz>
2505 Kai Tietz <kai.tietz@onevision.com>
2507 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2509 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2510 (ix86_nsaved_regs): Count only general purpose regs.
2511 (ix86_nsaved_sseregs): New.
2512 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2513 to 16 for w64; compute padding and size of sse reg save area.
2514 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2515 general purpose regs.
2516 (ix86_emit_save_sse_regs_using_mov): New.
2517 (ix86_expand_prologue): Save SSE regs if needed.
2518 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2519 (ix86_emit_restore_sse_regs_using_mov): New.
2520 (ix86_expand_epilogue): Save SSE regs if needed.
2522 2009-01-06 Jan Hubicka <jh@suse.cz>
2523 Kai Tietz <kai.tietz@onevision.com>
2525 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2526 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2527 functions when accumulate outgoing args is off.
2529 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2532 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2533 before using pseudos_have_intersected_live_ranges_p.
2535 * ira-int.h (ira_assert): Always define.
2537 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2539 AVX Programming Reference (December, 2008)
2540 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2541 (_mm256_permute2_pd): Likewise.
2542 (_mm_permute2_ps): Likewise.
2543 (_mm256_permute2_ps): Likewise.
2544 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2545 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2547 * config/i386/i386.c (ix86_builtins): Remove
2548 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2549 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2550 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2551 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2552 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2553 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2554 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2555 __builtin_ia32_vpermil2ps256.
2556 (ix86_init_mmx_sse_builtins): Updated.
2557 (ix86_expand_args_builtin): Likewise.
2559 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2561 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2562 long absolute calls when generating PA 2.0 code.
2564 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2566 PR rtl-optimization/38583
2567 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2569 * params.def (ira-max-conflict-table-size): New.
2571 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2573 * ira.h (ira_conflicts_p): New external definition.
2575 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2576 table. Report this. Return result of building.
2577 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2578 building conflict table.
2580 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2581 (ira_color): Use ira_conflicts_p.
2583 * global.c: Include ira.h.
2584 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2587 * Makefile.in (global.o): Add ira.h.
2589 * ira-build.c (mark_all_loops_for_removal,
2590 propagate_some_info_from_allocno): New.
2591 (remove_unnecessary_allocnos): Call
2592 propagate_some_info_from_allocno.
2593 (remove_low_level_allocnos): New.
2594 (remove_unnecessary_regions): Add parameter. Call
2595 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2596 parameter to remove_unnecessary_regions.
2597 (ira_build): Remove all regions but root if the conflict table was
2598 not built. Update conflict hard regs for allocnos crossing calls.
2600 * ira.c (ira_conflicts_p): New global.
2601 (ira): Define and use ira_conflicts_p.
2603 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2604 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2605 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2607 2009-01-06 Ben Elliston <bje@au.ibm.com>
2609 * gengtype-lex.l (YY_NO_INPUT): Define.
2611 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2614 * c-common.c (handle_vector_size_attribute): Also reject
2617 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2619 PR tree-optimization/38492
2620 * graphite.c (rename_map_elt, debug_rename_elt,
2621 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2622 rename_map_elt_info, eq_rename_map_elts,
2623 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2624 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2625 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2626 (sese_build_livein_liveouts): New.
2627 (new_sese, free_sese): New.
2628 (new_scop): Call new_sese.
2629 (free_scop): Call free_sese.
2630 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2631 (register_old_new_names): Renamed register_old_and_new_names.
2632 (register_scop_liveout_renames, add_loop_exit_phis,
2633 insert_loop_close_phis, struct igp,
2634 default_liveout_before_guard, add_guard_exit_phis,
2635 insert_guard_phis, copy_renames): New.
2636 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2637 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2638 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2639 (scop_adjust_phis_for_liveouts): New.
2640 (gloog): Call scop_adjust_phis_for_liveouts.
2642 * graphite.h (struct sese): Documented. Added fields liveout,
2644 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2645 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2646 (struct scop): Added field liveout_renames.
2647 (SCOP_LIVEOUT_RENAMES): New.
2649 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2651 PR tree-optimization/38510
2652 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2653 (translate_clast): Call recompute_all_dominators before
2655 (gloog): Call recompute_all_dominators before graphite_verify.
2657 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2658 Jan Sjodin <jan.sjodin@amd.com>
2660 PR tree-optimization/38500
2661 * graphite.c (create_sese_edges): Call fix_loop_structure after
2664 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2666 * config.gcc: Add m32r*-*-rtems*.
2667 * config/m32r/rtems.h: New file.
2669 2009-01-05 Ben Elliston <bje@au.ibm.com>
2671 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2672 (.po.pox): Likewise.
2673 (po/gcc.pot): Likewise.
2675 2009-01-04 David S. Miller <davem@davemloft.net>
2677 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2678 (STARTING_FRAME_OFFSET): Always set to zero.
2680 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2682 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2683 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2684 fixed-point types, and vectors of the same.
2686 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2688 * config/mips/sync.md (*mb_barrier): Rename to...
2689 (*memory_barrier): ...this.
2691 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2693 * doc/extend.texi (Function Attributes): Move @cindex after @item
2694 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2695 and put in alphabetical order. Fix 'target' name and put in order.
2696 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2699 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2701 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2702 (memory_barrier): Expand as unspec instead of unspec_volatile.
2703 Remove mem:BLK from insn operands. Use Pmode scratch register.
2704 (*memory_barrier): Define as unspec instead of unspec_volatile.
2705 Use (match_dup 0) as input operand.
2707 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2708 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2709 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2710 scratch register. Remove operand 1.
2711 (*stbar): Define as unspec instead of unspec_volatile.
2712 Use (match_dup 0) as input operand, remove (const_int 8).
2713 (*membar): Define as unspec instead of unspec_volatile.
2714 Use (match_dup 0) as input operand, remove input operand 2.
2716 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2717 (memory_barrier): Expand as unspec instead of unspec_volatile.
2718 Remove mem:BLK from insn operands. Use Pmode scratch register.
2719 (*memory_barrier): Define as unspec instead of unspec_volatile.
2720 Use (match_dup 0) as input operand.
2722 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2723 Remove mem:BLK from insn operands. Use Pmode scratch register.
2724 Set volatile flag on operand 0.
2725 (*memory_barrier): New insn pattern.
2727 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2729 (*memory_barrier): Use (match_dup 0) as input operand.
2731 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2732 Remove mem:BLK from insn operands. Use Pmode scratch register.
2733 Set volatile flag on operand 0.
2734 (*mb_internal): New insn pattern.
2736 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2738 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2741 * function.c (struct temp_slot): Move to the section of the file
2742 that deals with temp slots. Remove field 'address'.
2743 (temp_slot_address_table): New hash table of address -> temp slot.
2744 (struct temp_slot_address_entry): New struct, items for the table.
2745 (temp_slot_address_compute_hash, temp_slot_address_hash,
2746 temp_slot_address_eq, insert_temp_slot_address): Support functions
2748 (find_temp_slot_from_address): Rewrite to use the new hash table.
2749 (remove_unused_temp_slot_addresses): Remove addresses of temp
2750 slots that have been made available.
2751 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2752 worker function for remove_unused_temp_slot_addresses.
2753 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2754 Add the temp slot address to the address -> temp slot map.
2755 (update_temp_slot_address): Update via insert_temp_slot_address.
2756 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2757 (pop_temp_slots): Likewise.
2758 (init_temp_slots): Allocate the address -> temp slot map, or empty
2759 the map if it is already allocated.
2760 (prepare_function_start): Initialize temp slot processing.
2762 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2765 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2766 Calculate the size of all stack vars assuming no packing of stack
2767 vars will happen, replacing a quadratic algorithm with a linear one.
2769 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2772 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2775 2009-01-03 Diego Novillo <dnovillo@google.com>
2777 * doc/contrib.texi: Update contributions.
2779 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2782 * builtins.c (fold_builtin_memory_op): Give up if either operand
2783 is volatile. Set srctype or desttype to non-qualified version
2787 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2790 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2792 PR rtl-optimization/35805
2793 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2794 problem if fast dce is able to remove any instructions.
2795 * dce.c (dce_process_block): Fix dump message.
2797 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2800 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2802 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2805 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2806 * tree-pretty-print.c (op_code_prio): New function.
2807 (op_prio): No longer static. Use op_code_prio.
2808 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2809 Use op_prio and op_code_prio to determine if () should be
2810 printed around operand(s) or not.
2812 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2813 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2814 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2815 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2816 pp_character instead of pp_string for single letter printing.
2818 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2820 * doc/extend.texi: Fix '#pragma GCC option' typo.
2822 2009-01-02 Richard Guenther <rguenther@suse.de>
2824 * doc/install.texi (--enable-checking): Mention different
2826 (--enable-stage1-checking): Document.
2828 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2831 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2832 case to be an error.
2834 2009-01-02 Ben Elliston <bje@au.ibm.com>
2836 * config/fp-bit.h (pack_d): Constify argument.
2837 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2838 (isnan): Constify argument.
2842 (_fpadd_parts): Constify return type.
2843 (_fpmul_parts): Likewise.
2844 (_fpdiv_parts): Likewise.
2846 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2849 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2850 warn about overwriting initializer with side-effects or
2851 -Woverride-init if !IMPLICIT.
2852 (output_init_element): Likewise. Pass IMPLICIT down to
2854 (process_init_element): Add IMPLICIT argument. Pass it down
2855 to output_init_element.
2856 (push_init_element, pop_init_level, set_designator): Adjust
2857 process_init_element callers.
2858 (set_nonincremental_init, set_nonincremental_init_from_string):
2859 Adjust add_pending_init callers.
2860 (output_pending_init_elements): Adjust output_init_element callers.
2861 * c-tree.h (process_init_element): Adjust prototype.
2862 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2863 process_init_element callers.