1 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
3 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
5 2009-03-04 Richard Guenther <rguenther@suse.de>
7 PR tree-optimization/39362
8 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
9 that occur in abnormal PHIs should be varying.
11 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
13 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
15 (simple_iv): Take loop as an argument instead of statement.
16 * tree-scalar-evolution.h (simple_iv): Declaration changed.
17 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
19 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
21 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
22 * matrix-reorg.c (analyze_transpose): Ditto.
23 * tree-data-ref.c (dr_analyze_innermost): Ditto.
24 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
25 * tree-predcom.c (ref_at_iteration): Ditto.
26 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
28 2009-03-04 Richard Guenther <rguenther@suse.de>
30 PR tree-optimization/39358
31 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
32 escaped_id and callused_id.
33 (solve_graph): Likewise.
35 2009-03-04 Richard Guenther <rguenther@suse.de>
37 PR tree-optimization/39339
38 * tree-sra.c (try_instantiate_multiple_fields): Make it
39 no longer ICE on the above.
41 2009-03-03 Joseph Myers <joseph@codesourcery.com>
43 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
44 that fits within Pmode.
46 2009-03-03 Steve Ellcey <sje@cup.hp.com>
49 * tm.texi (LIBCALL_VALUE): Update description.
51 2009-03-03 Steve Ellcey <sje@cup.hp.com>
54 * doc/extend.texi (section): Update description.
56 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
59 * tree-inline.c (remapped_type): New.
60 (can_be_nonlocal): Call remapped_type instead of remap_type.
62 2009-03-03 Jakub Jelinek <jakub@redhat.com>
65 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
66 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
68 2009-03-03 Richard Guenther <rguenther@suse.de>
71 * tree.c (tree_nonartificial_location): New function.
72 * tree.h (tree_nonartificial_location): Declare.
73 * builtins.c (expand_builtin_memory_chk): Provide location
74 of the call location for artificial function pieces.
75 (maybe_emit_chk_warning): Likewise.
76 (maybe_emit_sprintf_chk_warning): Likewise.
77 (maybe_emit_free_warning): Likewise.
78 * expr.c (expand_expr_real_1): Likewise.
80 2009-03-03 Jakub Jelinek <jakub@redhat.com>
82 PR tree-optimization/39343
83 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
84 COMPONENT_REF t has ARRAY_TYPE.
86 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
89 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
90 when the type precision of the induction variable should be
91 larger than the type precision of nit.
92 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
93 * graphite.c (graphite_loop_normal_form): Same.
94 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
96 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
98 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
99 (*call_1_rex64_ms_sysv): Use named constants instead of magic
100 numbers to describe clobbbered registers.
101 (*call_value_0_rex64_ms_sysv): Ditto.
102 * config/i386/mmx.md (emms): Ditto.
105 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
107 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
110 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
112 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
113 (spu_section_type_flags): New function.
115 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
117 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
118 reg_class_contents of FLOAT_REGS into a temporary.
120 2009-03-02 Richard Guenther <rguenther@suse.de>
121 Ira Rosen <irar@il.ibm.com>
123 PR tree-optimization/39318
124 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
125 information to the vectorized statement.
127 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
129 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
130 variable. Use defined names instead of magic constants for REX SSE
133 2009-03-01 Richard Guenther <rguenther@suse.de>
135 PR tree-optimization/39331
136 * omp-low.c (lower_send_shared_vars): Do not receive new
137 values for the reference of DECL_BY_REFERENCE parms or results.
139 2009-03-01 Jan Hubicka <jh@suse.cz>
142 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
143 BLOCK_NONLOCALIZED_VAR): New macros.
144 (tree_block): Add nonlocalized_vars.
145 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
146 gen_decl_die): Add origin argument. Allow generation of die with
148 (gen_member_die, gen_type_die_with_usage, force_decl_die,
149 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
151 (gen_block_die): Fix checking for unused blocks.
152 (process_scope_var): Break out from .... ; work with origins only.
153 (decls_for_scope) ... here; process nonlocalized list.
154 (dwarf2out_ignore_block): Look for nonlocalized vars.
155 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
157 (dump_scope_block): Dump them.
158 * tree-inline.c (remap_decls): Handle nonlocalized vars.
159 (remap_block): Likewise.
160 (can_be_nonlocal): New predicate.
161 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
163 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
165 * configure: Regenerate.
167 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
169 * optc-gen.awk: No need to duplicate option flags twice.
170 Reuse help texts for duplicate options which do not have
173 * gcc.c (display_help): Document --version.
175 * gcc.c (main): If print_help_list and verbose_flag, ensure
176 driver output comes before subprocess output.
178 * optc-gen.awk: Assign all remaining fields to help string,
179 space-separated, for multi-line help in *.opt.
181 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
182 -Wno-pedantic-ms-format is for MinGW targets only.
184 * doc/options.texi (Option file format): Fix bad indentation,
185 restoring dropped sentence.
187 2009-02-28 Jan Hubicka <jh@suse.cz>
189 * tree-inline.c (tree_function_versioning): Output debug info.
191 2009-02-28 Jan Hubicka <jh@suse.cz>
194 * tree-inline.c (setup_one_parameter): Do not copy propagate
195 arguments when not optimizing.
197 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
200 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
201 (avx_addsubv4df3): Likewise.
202 (*avx_addsubv4sf3): Likewise.
203 (sse3_addsubv4sf3): Likewise.
204 (*avx_addsubv2df3): Likewise.
205 (sse3_addsubv2df3): Likewise.
206 (avx_unpckhps256): Correct item selectors.
207 (avx_unpcklps256): Likewise.
208 (avx_unpckhpd256): Likewise.
209 (avx_unpcklpd256): Likewise.
211 2009-02-28 Jan Hubicka <jh@suse.cz>
213 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
215 (copy_arguments_for_versioning): If var is declared don't declare it.
216 (tree_function_versioning): First setup substitutions and then copy
219 2009-02-27 Jan Hubicka <jh@suse.cz>
222 * cgraph.h (varpool_output_debug_info): Remove.
223 * cgraphunit.c (varpool_output_debug_info): Remove.
224 * dwarf2out.c (deferred_locations_struct): New struct
225 (deferred_locations): New type.
226 (deferred_locations_list): New static var.
227 (deffer_location): New function.
228 (gen_variable_die): Use it.
229 (decls_for_scope): Output info on local static vars.
230 (dwarf2out_finish): Process deferred locations.
231 * varpool.c (varpool_output_debug_info): Remove.
233 2009-02-27 Jan Hubicka <jh@suse.cz>
236 * tree.h (TREE_PROTECTED): Fix comment.
237 (BLOCK_HANDLER_BLOCK): Remove.
238 (struct tree_block): Remove handler_block add body_block.
239 (inlined_function_outer_scope_p): New.
240 (is_body_block): Remove.
241 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
242 * dwarf2out.c (is_inlined_entry_point): Remove.
243 (add_high_low_attributes): Use inlined_function_outer_scope_p.
244 (gen_block_die): Use is_inlined_entry_point check. Remove body block
246 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
247 * gimplify.c (gimplify_expr): Gimplify body blocks.
248 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
249 block with multiple subblocks.
250 (dump_scope_block): Prettier output; dump more flags and info.
251 (dump_scope_blocks): New.
252 (remove_unused_locals): Use dump_scope_blocks.
253 * tree-flow.h (dump_scope_blocks): Declare.
254 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
255 * stmt.c (is_body_block): Remove.
256 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
257 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
259 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
262 * graphite.c (graphite_loop_normal_form): Do not call
263 number_of_iterations_exit from a gcc_assert.
265 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
267 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
268 jumps if COND is NULL.
269 (find_cond_jump): New function.
270 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
271 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
273 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
275 * config/alpha/alpha.h (alpha_expand_mov): Return false if
276 force_const_mem returns NULL_RTX.
278 2009-02-26 Jan Hubicka <jh@suse.cz>
281 * cgraph.h (varpool_output_debug_info): Remove.
282 * cgraphunit.c (varpool_output_debug_info): Remove.
283 * dwarf2out.c (deferred_locations_struct): New struct
284 (deferred_locations): New type.
285 (deferred_locations_list): New static var.
286 (deffer_location): New function.
287 (gen_variable_die): Use it.
288 (decls_for_scope): Output info on local static vars.
289 (dwarf2out_finish): Process deferred locations.
290 * varpool.c (varpool_output_debug_info): Remove.
292 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
294 PR rtl-optimization/39241
295 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
296 to subreg_offset_representable_p.
298 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
300 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
301 execute function prototype. Get f and nregs from max_reg_num
302 and get_insns. Remove the first backward pass as it's dead,
303 guard the forward pass by flag_expensive_optimizations.
304 (rest_of_handle_regmove): Delete.
305 (pass_regmove): Replace it with regmove_optimize.
307 2009-02-25 Martin Jambor <mjambor@suse.cz>
309 PR tree-optimization/39259
310 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
311 alls_alloca function flags.
312 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
315 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
317 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
318 flags_set_1_rtx, flags_set_1_set): Delete.
319 (regmove_optimize): Do not call mark_flags_life_zones.
321 2009-02-24 Julian Brown <julian@codesourcery.com>
324 * config/arm/arm.c (require_pic_register): Only set
325 cfun->machine->pic_reg once per function.
327 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
329 * doc/invoke.texi (Link Options): Document an easier way to pass
330 options that take arguments to the GNU linker using -Xlinker and -Wl.
332 2009-02-24 Steve Ellcey <sje@cup.hp.com>
335 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
337 2009-02-24 Richard Guenther <rguenther@suse.de>
340 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
342 2009-02-24 Richard Guenther <rguenther@suse.de>
343 Zdenek Dvorak <ook@ucw.cz>
345 PR tree-optimization/39233
346 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
347 from converting them to a generic type.
349 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
351 PR tree-optimization/39260
352 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
353 contains a condition with a real type.
354 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
356 2009-02-23 Jason Merrill <jason@redhat.com>
359 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
360 narrowing_initializer_constant_valid_p.
361 (narrowing_initializer_constant_valid_p): Don't return
362 null_pointer_node for adding a pointer to itself.
364 2009-02-23 Jan Hubicka <jh@suse.cz>
367 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
370 2009-02-23 Jan Hubicka <jh@suse.cz>
372 PR tree-optimization/37709
373 * tree.c (block_ultimate_origin): Move here from dwarf2out.
374 * tree.h (block_ultimate_origin): Declare.
375 * dwarf2out.c (block_ultimate_origin): Move to tree.c
376 * tree-ssa-live.c (remove_unused_scope_block_p):
377 Eliminate blocks containig no instructions nor live variables nor
379 (dump_scope_block): New function.
380 (remove_unused_locals): Enable removal of dead blocks by default;
381 enable dumping at TDF_DETAILS.
383 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
385 * config/i386/i386.c (classify_argument): Don't allow COImode
387 (function_arg_advance_32): Don't allow OImode.
388 (function_arg_32): Likewise.
389 (function_value_32): Likewise.
390 (return_in_memory_32): Likewise.
391 (function_arg_64): Remove OImode comment.
393 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
396 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
397 ix86_expand_vector_set for V4DImode in 64bit mode only.
398 (ix86_expand_vector_init_one_var): Likewise.
400 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
402 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
404 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
407 * loop-iv.c: Revert last change.
408 * emit-rtl.c: Likewise.
410 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
413 * config/i386/i386.c (type_natural_mode): Remove an extra
414 space in the warning message.
415 (function_value_32): Handle 32-byte vector modes.
416 (return_in_memory_32): Likewise.
418 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
420 * loop-iv.c (truncate_value): New function.
421 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
423 (lowpart_subreg): Move to...
424 * emit-rtl.c: ...here.
426 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
428 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
429 accidental and undocumented change at revision 140860.
431 2009-02-21 Joseph Myers <joseph@codesourcery.com>
433 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
434 take gimple_seq * arguments.
435 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
436 types_compatible_p langhook.
438 2009-02-20 Mark Mitchell <mark@codesourcery.com>
439 Joseph Myers <joseph@codesourcery.com>
441 * config/arm/arm.c (arm_builtin_va_list): New function.
442 (arm_expand_builtin_va_start): Likewise.
443 (arm_gimplify_va_arg_expr): Likewise.
444 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
445 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
446 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
447 (va_list_type): New variable.
448 (arm_mangle_type): Mangle va_list_type appropriately.
450 2009-02-20 Jakub Jelinek <jakub@redhat.com>
453 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
454 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
455 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
456 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
457 parameter to 1000 for -O1 by default.
458 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
460 * loop-invariant.c: Include params.h.
461 (move_loop_invariants): Don't call move_single_loop_invariants on
464 2009-02-20 Jaka Mocnik <jaka@xlab.si>
466 * calls.c (emit_library_call_value_1): Use slot_offset instead of
467 offset when calculating bounds for indexing stack_usage_map. Fixes
468 a buffer overflow with certain target setups.
470 2009-02-20 Jakub Jelinek <jakub@redhat.com>
473 * calls.c (expand_call): Clear try_tail_call if caller and callee
474 disagree in promotion of function return value.
476 2009-02-19 Jakub Jelinek <jakub@redhat.com>
479 * c-common.c (c_determine_visibility): If visibility changed and
480 DECL_RTL has been already set, call make_decl_rtl to update symbol
483 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
486 * varasm.c (assemble_variable): Don't check DECL_NAME when
487 globalizing a variable.
489 2009-02-19 Joseph Myers <joseph@codesourcery.com>
492 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
493 expression before any __builtin_trap call.
494 * c-typeck.c (build_function_call): Convert and check function
495 arguments before generating a call to a trap. Evaluate the
496 function arguments before the trap.
498 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
501 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
502 (UNSPEC_FXAM_MEM): New unspec.
503 (fxam<mode>2_i387_with_temp): New insn and split pattern.
504 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
505 memory using fxam<mode>2_i387_with_temp to remove excess precision.
507 2009-02-19 Richard Guenther <rguenther@suse.de>
509 PR tree-optimization/39207
510 PR tree-optimization/39074
511 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
512 storedanything_tree): New.
513 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
514 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
515 (build_succ_graph): Add edges from STOREDANYTHING to all
517 (init_base_vars): Initialize STOREDANYTHING.
518 (compute_points_to_sets): Free substitution info after
519 building the succ graph.
520 (ipa_pta_execute): Likewise.
522 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
524 (do_ds_constraint): Do not add to special var or non-pointer
526 (type_could_have_pointers): Split out from ...
527 (could_have_pointers): ... here. For arrays use the element type.
528 (create_variable_info_for): Initialize may_have_pointers.
529 (new_var_info): Likewise.
530 (handle_lhs_call): Make the HEAP variable unknown-sized.
531 (intra_create_variable_infos): Use a type with pointers for
532 PARM_NOALIAS, make it unknown-sized.
534 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
537 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
539 2009-02-18 Jason Merrill <jason@redhat.com>
542 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
543 value if DECL_EXTERNAL.
544 * tree-sra.c (sra_walk_gimple_assign): Likewise.
545 * target.h (gcc_target::binds_local_p): Clarify "module".
546 * tree.h (TREE_PUBLIC): Clarify "module".
548 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
551 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
552 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
554 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
557 * c.opt (Wabi): Support C and ObjC.
560 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
562 * config/i386/i386.c (classify_argument): Warn once about the ABI
563 change when passing union with long double.
565 * doc/invoke.texi: Update -Wabi for warning psABI changes.
567 2009-02-18 Joseph Myers <joseph@codesourcery.com>
570 * c-parser.c (c_parser_compound_statement): Always enter and leave
573 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
576 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
578 2009-02-18 Jakub Jelinek <jakub@redhat.com>
580 PR tree-optimization/36922
581 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
582 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
585 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
587 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
590 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
592 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
594 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
596 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
599 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
600 Richard Sandiford <rdsandiford@googlemail.com>
602 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
603 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
604 (loongson_biadd): ...this.
606 2009-02-17 Richard Guenther <rguenther@suse.de>
608 PR tree-optimization/39202
609 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
610 a var make sure to follow existing collapses.
612 2009-02-17 Richard Guenther <rguenther@suse.de>
615 * langhooks.c (lhd_print_error_function): Check for NULL block.
617 2009-02-17 Richard Guenther <rguenther@suse.de>
619 PR tree-optimization/39204
620 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
623 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
625 * config/soft-fp/double.h: Update from glibc CVS.
627 2009-02-17 Richard Guenther <rguenther@suse.de>
629 PR tree-optimization/39207
630 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
631 strict-aliasing warnings for pointers pointing to NULL.
633 2009-02-16 Joseph Myers <joseph@codesourcery.com>
636 * c-parser.c (c_parser_braced_init): Call pop_init_level when
637 skipping until next close brace.
639 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
642 * config/i386/i386.c (ix86_expand_push): Set memory alignment
643 to function argument boundary.
645 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
647 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
648 in the lea_add. Reload eventually constraints it properly.
649 * config/picochip/constraints.md : Remove the target constraint
650 "b", since it is not needed anymore.
652 2009-02-16 Jakub Jelinek <jakub@redhat.com>
654 * gthr-dce.h: Uglify function parameter and local variable names.
655 * gthr-gnat.h: Likewise.
656 * gthr-mipssde.h: Likewise.
657 * gthr-nks.h: Likewise.
658 * gthr-posix95.h: Likewise.
659 * gthr-posix.h: Likewise.
660 * gthr-rtems.h: Likewise.
661 * gthr-single.h: Likewise.
662 * gthr-solaris.h: Likewise.
663 * gthr-tpf.h: Likewise.
664 * gthr-vxworks.h: Likewise.
665 * gthr-win32.h: Likewise.
667 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
670 * config/i386/i386.md: Restrict the new peephole2 to move
671 between MMX/SSE registers.
673 2009-02-15 Richard Guenther <rguenther@suse.de>
676 2009-02-13 Richard Guenther <rguenther@suse.de>
678 * configure.ac: Enable LFS.
679 * configure: Re-generate.
680 * config.in: Likewise.
682 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
684 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
685 spu_srqwbyte, spu_srqwbytebc): Define.
686 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
687 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
688 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
689 "shrqby_<mode>"): New insn-and-split patterns.
690 * config/spu/spu.c (expand_builtin_args): Determine and return
691 number of operands using spu_builtin_description data.
692 (spu_expand_builtin_1): Use it.
694 2009-02-13 Steve Ellcey <sje@cup.hp.com>
697 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
700 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
703 * config/i386/i386.c (override_options): Correct warning
704 messages for -malign-loops, -malign-jumps and -malign-functions.
706 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
709 * config/i386/i386.md: Restrict the new peephole2 to move
710 between the general purpose registers.
712 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
715 * config/i386/i386.c (type_natural_mode): Add a new argument.
716 Return the original mode and warn ABI change if vector size is 32byte.
717 (function_arg_advance): Updated.
718 (function_arg): Likewise.
719 (ix86_function_value): Likewise.
720 (ix86_return_in_memory): Likewise.
721 (ix86_sol10_return_in_memory): Likewise.
722 (ix86_gimplify_va_arg): Likewise.
723 (function_arg_32): Don't warn ABX ABI change here.
724 (function_arg_64): Likewise.
726 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
728 * loop-iv.c (implies_p): In the final case, test that operands 0
729 of the two comparisons match.
731 * config/bfin/bfin.c (find_prev_insn_start): New function.
732 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
733 (find_next_insn_start): Move.
735 2009-02-13 Richard Guenther <rguenther@suse.de>
737 * configure.ac: Enable LFS.
738 * configure: Re-generate.
739 * config.in: Likewise.
741 2009-02-13 Joseph Myers <joseph@codesourcery.com>
744 * c-parser.c (c_parser_parms_list_declarator): Discard pending
745 sizes on syntax error after some arguments have been parsed.
747 2009-02-12 Jakub Jelinek <jakub@redhat.com>
749 * doc/invoke.texi (-fira): Remove.
751 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
753 * caller-save.c: Replace regclass.c with reginfo.c in comments.
757 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
759 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
760 (umul_ppmm): Likewise.
761 (count_leading_zeros): Likewise.
762 (count_trailing_zeros): Likewise.
763 (UMUL_TIME): Likewise.
765 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
767 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
768 soft-fp/t-softfp to tmake_file.
770 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
771 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
772 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
773 IA64_BUILTIN_INFQ]: New.
774 (ia64_init_builtins): Initialize __builtin_infq,
775 __builtin_fabsq and __builtin_copysignq if not HPUX.
776 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
777 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
779 * config/ia64/lib1funcs.asm (__divtf3): Define only if
781 (__fixtfti): Likewise.
782 (__fixunstfti): Likewise.
783 (__floattitf): Likewise.
785 * config/ia64/libgcc-glibc.ver: New.
786 * config/ia64/t-fprules-softfp: Likewise.
787 * config/ia64/sfp-machine.h: Likewise.
789 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
790 (LIBGCC2_TF_CEXT): Likewise.
792 (TARGET_INIT_LIBFUNCS): Likewise.
794 * config/ia64/t-glibc (SHLINB_MAPFILES):
795 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
797 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
799 * config/i386/i386.c (construct_container): Rewrite processing
800 BLKmode with X86_64_SSE_CLASS.
802 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
805 * config/i386/i386.md: Replace simplify_replace_rtx with
806 replace_rtx in the new peephole2.
808 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
810 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
811 loop unrolling do not happen at -O2.
813 2009-02-12 Michael Matz <matz@suse.de>
815 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
817 2009-02-12 Jakub Jelinek <jakub@redhat.com>
819 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
822 2009-02-12 Ben Elliston <bje@au.ibm.com>
824 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
825 patterns when updating the back chain. Missed in the 2009-02-10
828 2009-02-11 Janis Johnson <janis187@us.ibm.com>
830 * doc/extend.texi (Decimal Floating Types): Update identifier of
831 draft TR and list of missing support.
833 2009-02-11 Jakub Jelinek <jakub@redhat.com>
836 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
837 bit to variable length decl's flags, add it also to its
838 pointer replacement variable.
840 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
841 Jakub Jelinek <jakub@redhat.com>
844 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
845 (memory_blockage): New expander.
846 (*memory_blockage): New insn pattern.
847 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
848 instead of general blockage at the end of function prologue when
849 frame pointer is used to access red zone area. Do not emit blockage
850 when profiling, it is emitted in generic code.
851 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
852 function epilogue when frame pointer is used to access red zone area.
854 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
857 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
858 by arithmetic with memory operands.
859 * config/i386/predicates.md (commutative_operator): New.
861 2009-02-10 Janis Johnson <janis187@us.ibm.com>
863 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
866 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
868 * alias.h (record_alias_subset): Declare.
869 * alias.c (record_alias_subset): Make global.
871 2009-02-10 Nick Clifton <nickc@redhat.com>
873 * tree-parloops.c: Change license to GPLv3.
874 * ipa-struct-reorg.c: Change license to GPLv3.
875 * ipa-struct-reorg.h: Change license to GPLv3.
877 2009-02-10 Steve Ellcey <sje@cup.hp.com>
880 * c-decl.c (start_struct): Return NULL on error.
882 2009-02-10 Jakub Jelinek <jakub@redhat.com>
885 * cfgloopmanip.c (remove_path): Call remove_bbs after
886 cancel_loop_tree, not before it.
889 * function.h (struct function): Add has_local_explicit_reg_vars bit.
890 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
892 * tree-ssa-live.c (remove_unused_locals): Recompute
893 cfun->has_local_explicit_reg_vars.
894 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
895 copies or clearings if cfun->has_local_explicit_reg_vars.
897 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
900 * config/i386/i386.c (expand_prologue): Emit blockage at the end
901 of function prologue when frame pointer is used to access
904 2009-02-10 Richard Guenther <rguenther@suse.de>
907 * gimplify.c (gimple_regimplify_operands): Always look if
908 we need to create a temporary.
910 2009-02-10 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/39132
913 * tree-loop-distribution.c (todo): New global var.
914 (generate_memset_zero): Trigger TODO_rebuild_alias.
915 (tree_loop_distribution): Return todo.
917 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
920 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
921 (x86_64_reg_class_name): Removed.
922 (classify_argument): Return 0 if bytes > 32. Return 0 if the
923 first one isn't X86_64_SSE_CLASS or any other ones aren't
924 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
925 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
926 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
927 and 3 X86_64_SSEUP_CLASS.
928 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
929 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
931 2009-02-10 Ben Elliston <bje@au.ibm.com>
933 * config/rs6000/rs6000.md (allocate_stack): Always use an update
934 form instruction to update the stack back chain word, even if the
935 user has disabled the generation of update instructions.
936 (movdi_<mode>_update_stack): New.
937 (movsi_update_stack): Likewise.
938 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
939 always use an update form instruction to update the stack back
942 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
945 * graphite.c (if_region_set_false_region): After moving a region in
946 the false branch of a condition, remove the empty dummy basic block.
947 (gloog): Remove wrong fix for PR38953.
949 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
951 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
952 generation due to implicit sign extension.
954 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
957 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
958 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
960 2009-02-09 Richard Guenther <rguenther@suse.de>
963 * convert.c (convert_to_real): Disable (float)fn((double)x)
964 to fnf(x) conversion if errno differences may occur and
967 2009-02-07 Anatoly Sokolov <aesok@post.ru>
969 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
970 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
971 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
973 2009-02-06 Joseph Myers <joseph@codesourcery.com>
976 * c-common.c (handle_alias_attribute): Disallow attribute for
977 anything not a FUNCTION_DECL or VAR_DECL.
979 2009-02-06 Janis Johnson <janis187@us.ibm.com>
982 * real.c (do_compare): Special-case compare of zero against
985 2009-02-06 Joseph Myers <joseph@codesourcery.com>
988 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
989 as indicating flexible array members unless the field itself is
990 being declarared as the incomplete array.
992 2009-02-06 Jan Hubicka <jh@suse.cz>
994 PR tree-optimization/38844
995 * ipa-inline.c (try_inline): Stop inlining recursion when edge
998 2009-02-06 Richard Guenther <rguenther@suse.de>
1001 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1002 fork because we may expand it as __gcov_fork.
1004 2009-02-06 Nick Clifton <nickc@redhat.com>
1006 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1008 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1010 PR tree-optimization/35659
1011 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1012 vn_phi_eq): Shortcut if hashcode does not match.
1013 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1015 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1016 and avoid iterative_hash_expr.
1017 (FOR_EACH_VALUE_ID_IN_SET): New.
1018 (value_id_compare): Remove.
1019 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1020 sort expressions by value id.
1022 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1025 * config/sh/predicates.md (general_movsrc_operand): Don't check
1026 the subreg of system registers here.
1028 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1031 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1034 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1036 PR rtl-optimization/39110
1037 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1038 addresses, not aligned ones.
1040 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1041 Richard Guenther <rguenther@suse.de>
1043 PR tree-optimization/39100
1044 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1045 comment says and add edges.
1047 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1050 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1051 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1053 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1055 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1056 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1057 register_bb_in_sese, new_sese, free_sese): Moved.
1058 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1059 outermost_loop_in_scop, build_scop_iteration_domain,
1060 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1061 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1062 Use loop_in_sese_p instead of loop_in_scop_p.
1063 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1064 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1065 (scopdet_basic_block_info): Fix bug in scop detection.
1066 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1067 eq_loop_to_cloog_loop): Remove.
1068 (nb_loops_around_loop_in_scop, nb_loop
1069 ref_nb_loops): Moved here...
1070 * graphite.h (ref_nb_loops): ... from here.
1071 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1072 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1073 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1074 * testsuite/gcc.dg/graphite/scop-19.c: New
1076 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1077 Hans-Peter Nilsson <hp@axis.com>
1079 PR rtl-optimization/37889
1080 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1081 Move offset handling from PLUS to before the switch. Use new
1082 arguments when considering SYMBOL_REFs too.
1083 (rtx_addr_can_trap_p): Pass dummy offset and size.
1084 (enum may_trap_p_flags): Remove.
1085 (may_trap_p_1): Pass size from MEM_SIZE.
1087 PR rtl-optimization/38921
1088 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1089 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1090 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1091 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1093 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1095 AVX Programming Reference (January, 2009)
1096 * config/i386/sse.md (*vpclmulqdq): New.
1098 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1100 PR tree-optimization/38977
1101 PR gcov-profile/38292
1102 * calls.c (special_function_p): Disregard __builtin_ prefix.
1104 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1106 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1107 non-indexable addresses even before reload.
1109 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1112 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1113 as having variable size. Do not give an error for unnamed
1114 parameters with [*] declarators. Give a warning for type names
1115 with [*] declarators and mark them as variable size.
1116 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1117 for sizeof applied to [*] type names.
1119 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1122 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1124 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1126 * gcc.c (process_command): Update copyright notice dates.
1127 * gcov.c (print_version): Likewise.
1128 * gcov-dump.c (print_version): Likewise.
1129 * mips-tfile.c (main): Likewise.
1130 * mips-tdump.c (main): Likewise.
1132 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1135 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1136 for composite type involving a zero-length array type.
1138 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1141 * function.c (match_asm_constraints_1): Skip over
1142 initial optional % in the constraint.
1145 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1146 supported, don't accept FIXED_CSTs.
1147 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1148 and _Sat is used without _Fract/_Accum. Set specs->type to
1149 integer_type_node for cts_fract/cts_accum if fixed point is not
1152 2009-02-02 Catherine Moore <clm@codesourcery.com>
1154 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1156 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1158 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1159 (ABI_HAS_64BIT_SYMBOLS): Use it.
1160 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1162 2009-02-02 Paul Brook <paul@codesourcery.com>
1164 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1166 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1169 * recog.h (asm_operand_ok): Add constraints argument.
1170 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1171 recurse on matching constraint.
1172 (check_asm_operands): Pass constraints as 3rd argument to
1173 asm_operand_ok. Don't look up matching constraint here.
1174 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1177 2009-02-02 Ben Elliston <bje@au.ibm.com>
1179 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1180 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1182 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1184 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1185 information. Remove some obsolete information. Reorganize.
1187 * config/pa/fptr.c: Revert license to GPL 2.
1188 * config/pa/milli64.S: Likewise.
1190 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1193 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1194 LIBRARY name in, instead of hard-coding it.
1195 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1196 extra target make frag to tmake_files according to EH model.
1197 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1198 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1199 frags that define makefile variable EH_MODEL appropriately.
1200 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1201 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1202 to "-sjlj" according to type of EH configured.
1203 (LIBGCC_SONAME): Concatenate it to shared library base name.
1204 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1205 to "_sjlj" according to type of EH configured.
1206 (LIBGCC_SONAME): Concatenate it to shared library base name.
1207 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1208 (SHLIB_LINK): Add missing semicolon to if-else construct.
1209 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1210 string value of "pe_dll" command-line option.
1211 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1212 (SHLIB_SONAME): Use it when overriding t-cygming default.
1213 (SHLIB_IMPLIB): Override t-cygming default.
1214 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1215 string value of "pe_dll" command-line option.
1217 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1220 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1221 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1223 2009-01-31 Richard Guenther <rguenther@suse.de>
1225 PR tree-optimization/38937
1226 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1227 computing the transitive closure.
1229 2009-01-30 Richard Guenther <rguenther@suse.de>
1231 PR tree-optimization/39041
1232 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1233 Propagate variable indices only if the types match for this stmt.
1235 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1238 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1239 inline but never defined.
1241 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1243 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1244 (*insv_h_di_reg_extimm): New insn.
1245 (*insv_l<mode>_reg_extimm): New insn.
1247 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1249 * config/picochip/picochip.c (flag_conserve_stack): set
1250 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1251 fconserve-stack. Reduce call-overhead used by inliner.
1253 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1256 * common.opt (flag_conserve_stack): Initialised to zero.
1258 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1261 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1262 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1265 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1267 * ira-color.c (allocno_reload_assign): Update comments.
1268 * regmove.c (regmove_optimize): Likewise.
1272 2009-01-29 Robert Millan <rmh@aybabtu.com>
1274 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1275 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1276 `MD_UNWIND_SUPPORT'.
1277 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1279 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1281 PR tree-optimization/39007
1282 * tree-loop-distribution.c (generate_builtin): Use
1283 recompute_dominator to compute the immediate dominator of the
1284 basic block just after the loop.
1286 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1288 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1289 (ASM_OUTPUT_DWARF_PCREL): Define.
1291 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1293 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1294 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1295 global. Modify entries about regmove and IRA.
1297 * ra-conflict.c: Remove the file.
1299 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1301 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1302 (pass_regclass_init): Rename to pass_reginfo_init.
1304 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1306 * toplev.h (flag_ira): Remove.
1308 * caller-save.c (setup_save_areas): Remove flag_ira.
1310 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1312 * global.c: Remove the file.
1314 * opts.c: (decode_options): Remove flag_ira.
1316 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1318 * regmove.c: Modify file description.
1319 (find_use_as_address, try_auto_increment): Define them only if
1320 AUTO_INC_DEC is defined.
1321 (replacement_quality, replace_in_call_usage, fixup_match_1,
1322 stable_and_no_regs_but_for_p): Remove.
1323 (reg_set_in_bb): Make it static.
1324 (regmove_optimize): Remove flag_ira and code which worked for
1327 * local-alloc.c: Remove the file.
1329 * common.opt (fira): Remove.
1331 * ira.c: Include except.h.
1332 (eliminable_regset): Move from global.c.
1333 (mark_elimination): Ditto. Remove flag_ira.
1334 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1335 equiv_mem_modified, validate_equiv_mem_from_store,
1336 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1337 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1338 no_equiv, recorded_label_ref): Move from local-alloc.c.
1339 (update_equiv_regs): Ditto. Make it static.
1340 (print_insn_chain, print_insn_chains): Move it from global.c.
1341 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1342 (build_insn_chain): Ditto. Make it static.
1343 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1344 Rename to init_live_subregs.
1345 (gate_ira): Remove flag_ira.
1347 * regclass.c: Rename reginfo.c. Change file description.
1348 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1349 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1350 (init_reg_sets_1): Remove code for evaluation of
1351 reg_class_superclasses and losing_caller_save_reg_set.
1352 (init_regs): Remove init_reg_autoinc.
1353 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1354 ok_for_base_p_nonstrict): Remove.
1355 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1356 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1357 corresponding entries.
1358 (dump_regclass, record_operand_costs, scan_one_insn,
1359 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1360 record_address_regs, auto_inc_dec_reg_p): Remove.
1361 (gt-regclass.h): Rename to gt-reginfo.h.
1363 * rtl.h (dump_global_regs, retry_global_alloc,
1364 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1366 * Makefile.in (RA_H): Remove.
1367 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1368 Rename regclass.o to reginfo.o.
1369 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1371 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1372 (GTFILES): Rename regclass.c to reginfo.c.
1374 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1375 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1377 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1378 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1380 (finish_spills): Ditto. Remove code for !flag_ira.
1382 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1385 * doc/invoke.texi (rtl debug options): Complete rewrite.
1386 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1388 * mode-switching.c (pass_mode_switching): Rename pass from
1389 "mode-sw" to "mode_sw".
1390 * except.c (pass_convert_to_eh_ranges): Rename pass from
1391 "eh-ranges" to "eh_ranges".
1392 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1396 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1397 Alexander Monakov <amonakov@ispras.ru>
1400 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1402 (move_exprs_to_boundary): Change return type and pass through
1403 should_move from move_op. Relax assert. Update usage ...
1404 (schedule_expr_on_boundary): ... here. Use should_move instead of
1406 (move_op_orig_expr_found): Indicate that insn was disconnected from
1408 (code_motion_process_successors): Do not call after_merge_succs
1409 callback if original expression was not found when traversing any of
1411 (code_motion_path_driver): Change return type. Update prototype.
1412 (move_op): Update comment. Add a new parameter (should_move). Update
1413 prototype. Set *should_move based on indication provided by
1414 move_op_orig_expr_found.
1416 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1418 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1419 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1420 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1421 * config/rs6000/rs6000.c (rs6000_override_options): Default
1422 avoid-indexed-addresses on for Power6, off for everything else.
1423 (avoiding_indexed_address_p): New function.
1424 (rs6000_legitimize_address): Use it.
1425 (rs6000_legitimate_address): Likewise.
1426 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1428 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1430 PR tree-optimization/38997
1431 * tree-loop-distribution.c (generate_memset_zero): Use
1432 POINTER_PLUS_EXPR for a pointer addition.
1434 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1436 * config/s390/s390.md (bswap<mode>2): New pattern added.
1438 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1440 * config/s390/s390.md (*tls_load_31): Added type attribute.
1442 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1444 * config/s390/s390.md: Fix a few comments.
1446 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1448 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1449 (*tm<mode>_full): Fixed z10prop attribute.
1450 (*tst<mode>_extimm): Fixed z10prop attribute.
1451 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1452 (*tstqiCCT_cconly): Fixed z10prop attribute.
1453 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1454 (*movsi_larl): Fixed z10prop attribute.
1455 (*movsi_zarch): Fixed z10prop attribute.
1456 (*movsi_eas): Fixed z10prop attribute.
1457 (*movhi): Fixed z10prop attribute.
1458 (*movqi): Fixed z10prop attribute.
1459 (*movstrictqi): Fixed z10prop attribute.
1460 (*mov<mode>): Fixed z10prop attribute.
1461 (*movcc): Fixed z10prop attribute.
1462 (*sethighpartdi_64): Fixed z10prop attribute.
1463 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1464 (*negdi2_sign_cc): Fixed z10prop attribute.
1465 (*negdi2_sign): Fixed z10prop attribute.
1466 (*absdi2_sign_cc): Fixed z10prop attribute.
1467 (*absdi2_sign): Fixed z10prop attribute.
1468 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1469 (*negabsdi2_sign): Fixed z10prop attribute.
1470 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1471 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1472 (doloop_si64): Fixed z10prop attribute.
1473 (doloop_si31): Fixed z10prop attribute.
1474 (doloop_long): Fixed z10prop attribute.
1475 (indirect_jump): Fixed z10prop attribute.
1476 (nop): Fixed z10prop attribute.
1477 (main_base_64): Fixed z10prop attribute.
1478 (reload_base_64): Fixed z10prop attribute.
1480 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1482 PR rtl-optimization/38740
1483 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1485 * config/mips/mips.c (mips_reorg): Likewise.
1487 2009-01-28 Richard Guenther <rguenther@suse.de>
1489 PR tree-optimization/38926
1490 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1491 with the correct value id to a value.
1492 (do_regular_insertion): Use the value number of edoubleprime
1493 for the value number of the expr.
1496 2008-08-21 Richard Guenther <rguenther@suse.de>
1498 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1499 a PHI ask VN if it is already available.
1500 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1501 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1503 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1506 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1507 set to varying whenever max has TREE_OVERFLOW set, similarly
1508 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1510 2009-01-28 Richard Guenther <rguenther@suse.de>
1513 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1514 uninitialized aggregate uses in call arguments.
1516 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1518 PR tree-optimization/38984
1519 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1520 the nothing_id variable if -fno-delete-null-pointer-checks.
1522 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1525 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1526 (set_got_offset_rex64): Ditto.
1528 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1531 * doc/extend.texi: Improve local variable with asm reg.
1533 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1535 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1536 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1537 was not supplied then set warn_packed_bitfield_compat to the
1539 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1542 2009-01-27 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/38503
1545 * cfgexpand.c (expand_gimple_basic_block): Ignore
1546 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1547 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1548 variables that cannot have TBAA applied.
1549 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1552 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1555 * calls.c (initialize_argument_information): Do not wrap complex
1556 arguments in SAVE_EXPR.
1558 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1560 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1561 (INSTALL_LIBGCC): Revert typo commit.
1563 2009-01-26 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/38745
1566 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1567 from special handling.
1569 2009-01-26 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/38745
1572 * tree-ssa.c (execute_update_addresses_taken): Do not include
1573 variables that cannot possibly be a register in not_reg_needs.
1574 Do not clear TREE_ADDRESSABLE on vars that may not become
1576 * tree-ssa.c (update_alias_info_1): Include those in the set
1577 of addressable vars.
1579 2009-01-26 Richard Guenther <rguenther@suse.de>
1582 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1583 * tree-ssa-dse.c: Include langhooks.h
1584 (execute_simple_dse): Remove stores with zero size.
1586 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1589 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1592 2009-01-24 Julian Brown <julian@codesourcery.com>
1594 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1595 config/arm/linux-atomic.c.
1596 * config/arm/linux-atomic.c: New.
1598 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1600 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1601 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1602 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1604 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1607 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1610 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1612 PR tree-optimization/38953
1613 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1614 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1615 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1616 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1619 2009-01-24 Paul Brook <paul@codesourcery.com>
1621 * config/arm/neon.md (neon_type): Move to arm.md.
1622 (neon_mov<VSTRUCT>): Add neon_type attribute.
1623 * config/arm/arm.md (neon_type): Move to here.
1624 (conds): Add "unconditioal" and use as default for NEON insns.
1626 2009-01-24 Ben Elliston <bje@au.ibm.com>
1628 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1629 void *' warning from -Wc++-compat.
1630 * Makefile.in (dominance.o-warn): Remove.
1632 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1634 PR tree-optimization/38932
1635 * fold-const.c (fold_unary_ignore_overflow): New.
1636 * tree.h (fold_unary_ignore_overflow): Declare.
1637 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1638 * tree-ssa-sccvn.c (visit_reference_op_load,
1639 simplify_unary_expression): Likewise.
1641 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1643 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1644 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1645 regardless of their type.
1646 * c-common.c (handle_packed_attribute): Don't ignore packed on
1648 * c.opt (Wpacked-bitfield-compat): New warning option.
1649 * stor-layout.c (place_field): Warn if offset of a field changed.
1650 * doc/extend.texi (packed): Mention the ABI change.
1651 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1652 (Warning Options): Add it to the list.
1654 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1656 * c-opts.c (c_common_post_options): Fix a typo in comments.
1658 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1661 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1662 variables to static.
1663 * doc/invoke.texi (-fmerge-all-constants): Update description.
1665 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1668 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1669 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1671 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1673 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1675 (LOCAL_ALIGNMENT): Similarly.
1677 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1678 Joseph Myers <joseph@codesourcery.com>
1680 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1681 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1682 * config/arm/arm-tune.md: Regenerate.
1683 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1686 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1688 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1689 version number to five.
1691 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1694 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1695 * c-common.c (set_underlying_type): Likewise.
1696 (is_typedef_decl ): Likewise
1698 (set_underlying_type): Likewise.
1699 (is_typedef_type): Likewise.
1701 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1704 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1707 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1710 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1711 (LIBGCC_SPEC): Don't define.
1712 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1714 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1716 PR rtl-optimization/38879
1717 * alias.c (base_alias_check): Unaligned access via AND address can
1718 alias all surrounding object types except those with sizes equal
1719 or wider than the size of unaligned access.
1721 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1724 * c-decl.c: (clone_underlying_type): Move this ...
1725 * c-common.c (set_underlying_type): ... here.
1726 Also, make sure the function properly sets TYPE_STUB_DECL() on
1727 the newly created typedef variant type.
1728 (is_typedef_decl ): New entry point.
1729 * tree.h: Added a new member member_types_needing_access_check to
1730 struct tree_decl_non_common.
1731 (set_underlying_type): New entry point.
1732 (is_typedef_type): Likewise.
1734 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1736 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1737 Check whether two instructions have memory references that
1738 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1739 are helper functions for traversing.
1740 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1741 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1742 not to draw dependency edge for instructions with non-conflicting
1745 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1748 * longlong.h: Update copyright years. Use soft-fp license notice.
1749 Sync __clz_tab declaration with glibc.
1751 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1754 * doc/extend.texi (syscall_linkage): New.
1755 (version_id): Modify.
1757 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1758 Richard Guenther <rguenther@suse.de>
1760 PR tree-optimization/38747
1761 PR tree-optimization/38748
1762 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1763 conversion if the base address is an indirect reference and the
1764 aliasing sets could cause issues.
1766 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1768 * common.opt (fgraphite, fgraphite-identity): Add comment for
1769 explaining why these options are not documented.
1771 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1773 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1774 gimple_call_lhs is NULL.
1776 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1779 * emit-rtl.c (adjust_address_1): Make sure memref is never
1782 2009-01-20 Ben Elliston <bje@au.ibm.com>
1784 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1785 const qualifier from arg parameter. Remove unnecessary cast to char *.
1786 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1787 const qualifier from arg 2.
1789 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1791 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1793 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1796 * rtl.h (reinit_regs): New prototype.
1797 * regclass.c: Include ira.h.
1799 * Makefile.in (regclass.o): Add ira.h.
1800 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1802 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1805 * c-common.c (handle_aligned_attribute): Use
1806 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1807 default alignment value.
1809 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1811 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1812 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1814 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1815 __BIGGEST_ALIGNMENT__.
1817 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1819 2009-01-18 Richard Guenther <rguenther@suse.de>
1821 PR tree-optimization/38819
1822 * tree-flow.h (operation_could_trap_helper_p): Declare.
1823 * tree-eh.c (operation_could_trap_helper_p): Export.
1824 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1825 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1826 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1827 are about to insert a possibly trapping instruction and fail
1830 2009-01-18 Andreas Schwab <schwab@suse.de>
1832 * doc/install.texi (Configuration): Remove obsolete paragraph
1833 about use of --with-gnu-ld with --with-gnu-as.
1835 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1837 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1838 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1839 Follow spelling conventions.
1841 2009-01-18 Ben Elliston <bje@au.ibm.com>
1843 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1844 C++ warning about implicit conversion from void * to struct
1846 (bitmap_obstack_free): Likewise for bitmap_element *.
1847 * Makefile.in (bitmap.o-warn): Remove.
1849 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1851 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1853 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1854 Tobias Grosser <tobi.grosser@amd.com>
1856 * graphite.c (graphite_trans_scop_block): Do not block single
1859 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1861 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1862 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1863 test with assertion.
1865 2009-01-16 Richard Guenther <rguenther@suse.de>
1867 PR tree-optimization/38835
1869 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1870 and INT + PTR -> (INT)(PTR p+ INT) folding.
1871 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1873 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1876 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1877 the subreg from a lowpart subreg if it is also casting the value.
1879 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1880 Tobias Grosser <tobi.grosser@amd.com>
1882 * graphite.c (compare_prefix_loops): New.
1883 (build_scop_canonical_schedules): Rewritten.
1884 (graphite_transform_loops): Move build_scop_canonical_schedules
1885 after build_scop_iteration_domain.
1887 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1888 Tobias Grosser <tobi.grosser@amd.com>
1890 * graphite.c (add_conditions_to_domain): Add the loops to
1891 the dimension of the iteration domain. Do copy the domain
1892 only when it exists.
1893 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1894 (add_conditions_to_constraints): New.
1895 (can_generate_code_stmt, can_generate_code): Removed.
1896 (gloog): Do not call can_generate_code.
1897 (graphite_transform_loops): Call add_conditions_to_constraints
1898 after building the iteration domain.
1900 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1902 PR tree-optimization/38789
1903 * tree-ssa-threadedge.c
1904 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1905 __builtin_constant_p.
1907 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1909 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1910 examined before deleting them.
1912 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1914 * function.c (aggregate_value_p): Correctly extract the function
1915 type from CALL_EXPR_FN lookup.
1917 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1919 * config/picochip/picochip.c (picochip_override_options): Revert
1920 CFI asm flag disable commited previously.
1922 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1923 Tobias Grosser <tobi.grosser@amd.com>
1924 Jan Sjodin <jan.sjodin@amd.com>
1926 * graphite.c (scan_tree_for_params): On substractions negate
1927 all the coefficients of the term.
1928 (clast_to_gcc_expression_red): New. Handle reduction expressions
1929 of more than two operands.
1930 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1931 (get_vdef_before_scop): Handle also the case of default definitions.
1933 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1935 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1936 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1937 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1939 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1940 Joey Ye <joey.ye@intel.com>
1943 * cfgexpand.c (expand_stack_alignment): Don't update stack
1944 boundary nor check incoming stack boundary here.
1945 (gimple_expand_cfg): Update stack boundary and check incoming
1946 stack boundary here.
1948 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1950 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1952 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1954 PR rtl-optimization/38245
1955 * calls.c (expand_call): Add stack arguments to
1956 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1957 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1958 in regs and partially in memory or BLKmode arguments.
1959 (emit_library_call_value_1): Add stack arguments to
1960 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1961 ACCUMULATE_OUTGOING_ARGS).
1962 * dce.c: Include tm_p.h.
1963 (find_call_stack_args): New function.
1964 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1966 (mark_insn): Call find_call_stack_args for CALL_Ps.
1967 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1968 forwards. Allocate and free arg_stores bitmap if needed, pass it
1969 down to deletable_insn_p, don't mark stores set in arg_stores
1970 bitmap, clear the bitmap at the beginning of each bb.
1971 * Makefile.in (dce.o): Depend on $(TM_P_H).
1973 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1976 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1977 to make sure the insn is a conditional test (bug 22599). Reformat a
1980 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1983 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1984 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1985 (gloog): Do not call cleanup_tree_cfg.
1986 (graphite_transform_loops): Call cleanup_tree_cfg after all
1987 scops have been code generated.
1989 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1990 * doc/gty.texi (Invoking the garbage collector): Added new node
1991 and section documenting ggc_collect.
1993 2009-01-14 Richard Guenther <rguenther@suse.de>
1995 PR tree-optimization/38826
1997 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1998 initialization notes only if we actually emitted a warning.
1999 (intra_create_variable_infos): Add constraints for a result decl
2000 that is passed by hidden reference.
2001 (build_pred_graph): Mark all related variables non-direct on
2004 2009-01-14 Nick Clifton <nickc@redhat.com>
2006 * ira-conflicts.c: Include addresses.h for the definition of
2008 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2009 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2011 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2014 * Makefile.in (ira-lives.o): Add except.h.
2016 * ira-lives.c: Include except.h.
2017 (process_bb_node_lives): Process can_throw_internal.
2019 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2021 PR rtl-optimization/38774
2022 * combine.c (simplify_set): When undoing cc_use change, don't do
2023 PUT_CODE on the newly created comparison, but instead put back the
2026 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2028 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2029 values. Remove duplicate arm8 entry.
2031 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2033 PR tree-optimization/38786
2034 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2035 the SSA_NAME case of expand_scalar_variables_expr.
2036 Set the type of an expression to the type of its assign statement.
2037 (expand_scalar_variables_expr): Also gather the scalar computation
2038 used to index the memory access. Do not pass loop_p.
2039 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2040 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2041 the gimple_stmt_iterator where it inserts new code.
2043 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2044 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2046 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2048 * graphite.h (debug_value): Removed.
2049 * graphite.c (debug_value): Removed.
2051 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2053 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2054 ldrd/strd with two 32-bit instructions.
2056 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2058 * config/arm/arm.c (struct processors): Pass for speed down into
2059 cost helper functions.
2060 (const_ok_for_op): Handle COMPARE and inequality nodes.
2061 (arm_rtx_costs_1): Rewrite.
2062 (arm_size_rtx_costs): Update prototype.
2063 (arm_rtx_costs): Pass speed down to helper functions.
2064 (arm_slowmul_rtx_costs): Rework cost calculations.
2065 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2066 (arm_9e_rtx_costs): Likewise.
2068 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2070 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2071 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2072 (alpha_legitimize_address): Do not split local symbols wider than
2073 UNITS_PER_WORD into HIGH/LO_SUM parts.
2075 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2078 * gcc.c (process_command): Replace call to execvp with calls
2079 to pex_one and exit.
2081 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2084 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2085 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2086 variant for devices with 3-byte PC.
2087 (__tablejump_elpm__) : New.
2089 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2092 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2093 offsetof member-designator, handle it as `[0].'.
2095 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2097 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2098 function when not using named sections on targets with named sections
2099 if branch distance is less than 262132.
2101 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2103 * combine.c (combine_instructions): Recompute
2104 optimize_this_for_speed_p for each BB in the main combine loop.
2106 2009-01-12 Tomas Bily <tbily@suse.cz>
2109 * tree-loop-distribution.c (prop_phis): New function.
2110 (generate_builtin): Call prop_phis.
2111 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2113 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2115 PR tree-optimization/38807
2116 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2117 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2119 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2121 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2122 subreg of op0 to the original op0.
2124 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2126 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2128 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2131 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2132 starting with digits.
2134 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2137 * config/arm/arm.c (arm_is_long_call_p): Don't call
2138 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2140 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2142 * regrename.c (regrename_optimize): Fix dumping.
2143 (find_oldest_value_reg): Preserve REG_POINTER.
2144 (copy_hardreg_forward_1): Likewise.
2146 2009-01-09 Diego Novillo <dnovillo@google.com>
2148 * gimple.h (struct gimple_statement_base) <uid>: Document
2149 the restrictions on its use.
2151 (gimple_set_uid): Tidy.
2153 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2155 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2156 zero guard even if align_bytes != 0 and count is smaller than
2159 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2161 PR rtl-optimization/38495
2162 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2163 (add_range_and_copies_from_move_list): Print all added ranges.
2164 Add ranges to memory optimized destination.
2166 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2170 * config/i386/i386.c (override_options): Reject
2171 -mstringop-strategy=rep_8byte with -m32.
2172 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2173 to 1. Do count comparison against epilogue_size_needed at compile
2174 time even when count_exp was constant forced into register. For
2175 size_needed don't jump to epilogue, instead just avoid aligning
2176 and invoke the body algorithm. If need_zero_guard, add zero guard
2177 even if count is non-zero, but smaller than size_needed + number of
2178 bytes that could be stored for alignment.
2179 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2180 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2181 but smaller than size_needed + number of bytes that could be stored
2182 for alignment. Compare size_needed with epilogue_size_needed instead
2183 of desired_align - align, don't adjust size_needed, pass
2184 epilogue_size_needed to the epilogue expanders.
2187 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2189 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2191 * pa.c (last_address): Change to unsigned.
2192 (update_total_code_bytes): Change argument to unsigned. Don't
2193 check if insn addresses are set.
2194 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2195 addresses are not set.
2196 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2198 2009-01-09 Nick Clifton <nickc@redhat.com>
2200 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2201 DECL_DECLARED_INLINE_P.
2203 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2206 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2207 GET_MODE (op0) in operand_subword_force calls.
2210 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2211 fold_convert arg0 operands to TREE_TYPE (op0) first.
2213 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2215 * params.def (ira-max-conflict-table-size): Decrease default value
2218 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2220 PR tree-optimization/37031
2221 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2223 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2224 allocate it using gc instead of heap, use VEC_quick_push instead of
2226 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2227 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2228 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2229 allocated vector from heap allocated.
2230 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2231 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2232 vector only after perfect_loop_nest_depth call.
2234 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2235 Jan Sjodin <jan.sjodin@amd.com>
2237 PR tree-optimization/38559
2238 * graphite.c (debug_value, copy_constraint,
2239 swap_constraint_variables, scale_constraint_variable, ): New.
2240 (get_lower_bound, get_upper_bound): Removed.
2241 (graphite_trans_bb_strip_mine): Clean up this code that works
2242 only for constant number of iterations. Fully copy upper and
2243 lower bound constraints, not only the constant part of them.
2244 * graphite.h (debug_value): Declared.
2246 2009-01-08 Ira Rosen <irar@il.ibm.com>
2248 PR tree-optimization/37194
2249 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2250 Don't add the cost of cost model guard in prologue to scalar
2251 outside cost in case of known number of iterations.
2253 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2254 Alan Modra <amodra@bigpond.net.au>
2256 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2257 non-word-aligned REG+CONST addressing.
2259 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2262 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2263 free_after_compilation when outputting a thunk.
2264 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2265 Do not call free_after_compilation here.
2267 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2269 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2270 (ix86_valid_target_attribute_inner_p): Ditto.
2272 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2274 PR tree-optimization/38492
2275 PR tree-optimization/38498
2276 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2277 * tree-chrec.h (scev_is_linear_expression): Declared.
2278 * graphite.c (graphite_cannot_represent_loop_niter): New.
2279 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2280 (graphite_loop_normal_form): Use gcc_assert.
2281 (scan_tree_for_params): Use CASE_CONVERT.
2282 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2283 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2284 Use gcc_assert. Discard scops that contain unhandled cases.
2285 (build_scop_conditions): Return a boolean status for unhandled cases.
2286 (strip_mine_profitable_p): Print the loop number, not its depth.
2287 (is_interchange_valid): Pass the depth of the loop nest, don't
2288 recompute it wrongly.
2289 (graphite_trans_bb_block): Same.
2290 (graphite_trans_bb_block): Print tentative of loop blocking.
2291 (graphite_trans_scop_block): Do not print that the loop has been
2293 (graphite_transform_loops): Do not handle scops that contain condition
2296 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2298 AVX Programming Reference (December, 2008)
2299 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2300 (_mm256_stream_pd): Likewise.
2301 (_mm256_stream_ps): Likewise.
2303 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2304 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2305 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2306 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2307 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2308 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2309 (ix86_expand_special_args_builtin): Likewise.
2311 * config/i386/sse.md (AVXMODEDI): New.
2312 (avx_movnt<mode>): Likewise.
2313 (avx_movnt<mode>): Likewise.
2314 (<sse>_movnt<mode>): Remove AVX support.
2315 (sse2_movntv2di): Likewise.
2317 2009-01-07 Richard Guenther <rguenther@suse.de>
2320 * fold-const.c (extract_muldiv): Remove obsolete comment.
2321 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2322 to PLUS_EXPR canonicalization for the canonicalization.
2324 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2326 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2327 hosted cross-compilers generating less efficient code.
2329 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2331 * function.h (rtl_data): Add a dbr_scheduled_p field.
2332 * reorg.c (dbr_schedule): Set it.
2333 (gate_handle_delay_slots): Check it.
2334 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2335 (mips_reorg): Check flag_delayed_branch instead of
2336 mips_base_delayed_branch.
2337 (mips_override_options): Don't set mips_base_delayed_branch
2338 or flag_delayed_branch.
2340 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2342 PR rtl-optimization/38426.
2343 * ira.c (ira): Set current_function_is_leaf earlier.
2345 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2347 PR rtl-optimization/38722
2348 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2349 too early, only set a flag and modify after last possible
2352 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2355 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2356 * real.c (decimal_single_format): Correct values of emin and emax.
2357 (decimal_double_format): Ditto.
2358 (decimal_quad_format): Ditto.
2359 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2360 computation of DECnn_MIN and DECnn_MAX for corrected values of
2361 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2362 __DECnn_MIN__, and adjust its computation for the corrected value
2365 2009-01-06 Jan Hubicka <jh@suse.cz>
2368 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2370 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2372 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2373 Add Robert Clark to the list of testers.
2375 2009-01-06 Jan Hubicka <jh@suse.cz>
2376 Kai Tietz <kai.tietz@onevision.com>
2378 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2379 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2381 2009-01-06 Jan Hubicka <jh@suse.cz>
2382 Kai Tietz <kai.tietz@onevision.com>
2384 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2386 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2387 (ix86_nsaved_regs): Count only general purpose regs.
2388 (ix86_nsaved_sseregs): New.
2389 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2390 to 16 for w64; compute padding and size of sse reg save area.
2391 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2392 general purpose regs.
2393 (ix86_emit_save_sse_regs_using_mov): New.
2394 (ix86_expand_prologue): Save SSE regs if needed.
2395 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2396 (ix86_emit_restore_sse_regs_using_mov): New.
2397 (ix86_expand_epilogue): Save SSE regs if needed.
2399 2009-01-06 Jan Hubicka <jh@suse.cz>
2400 Kai Tietz <kai.tietz@onevision.com>
2402 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2403 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2404 functions when accumulate outgoing args is off.
2406 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2409 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2410 before using pseudos_have_intersected_live_ranges_p.
2412 * ira-int.h (ira_assert): Always define.
2414 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2416 AVX Programming Reference (December, 2008)
2417 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2418 (_mm256_permute2_pd): Likewise.
2419 (_mm_permute2_ps): Likewise.
2420 (_mm256_permute2_ps): Likewise.
2421 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2422 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2424 * config/i386/i386.c (ix86_builtins): Remove
2425 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2426 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2427 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2428 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2429 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2430 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2431 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2432 __builtin_ia32_vpermil2ps256.
2433 (ix86_init_mmx_sse_builtins): Updated.
2434 (ix86_expand_args_builtin): Likewise.
2436 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2438 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2439 long absolute calls when generating PA 2.0 code.
2441 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2443 PR rtl-optimization/38583
2444 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2446 * params.def (ira-max-conflict-table-size): New.
2448 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2450 * ira.h (ira_conflicts_p): New external definition.
2452 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2453 table. Report this. Return result of building.
2454 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2455 building conflict table.
2457 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2458 (ira_color): Use ira_conflicts_p.
2460 * global.c: Include ira.h.
2461 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2464 * Makefile.in (global.o): Add ira.h.
2466 * ira-build.c (mark_all_loops_for_removal,
2467 propagate_some_info_from_allocno): New.
2468 (remove_unnecessary_allocnos): Call
2469 propagate_some_info_from_allocno.
2470 (remove_low_level_allocnos): New.
2471 (remove_unnecessary_regions): Add parameter. Call
2472 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2473 parameter to remove_unnecessary_regions.
2474 (ira_build): Remove all regions but root if the conflict table was
2475 not built. Update conflict hard regs for allocnos crossing calls.
2477 * ira.c (ira_conflicts_p): New global.
2478 (ira): Define and use ira_conflicts_p.
2480 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2481 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2482 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2484 2009-01-06 Ben Elliston <bje@au.ibm.com>
2486 * gengtype-lex.l (YY_NO_INPUT): Define.
2488 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2491 * c-common.c (handle_vector_size_attribute): Also reject
2494 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2496 PR tree-optimization/38492
2497 * graphite.c (rename_map_elt, debug_rename_elt,
2498 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2499 rename_map_elt_info, eq_rename_map_elts,
2500 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2501 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2502 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2503 (sese_build_livein_liveouts): New.
2504 (new_sese, free_sese): New.
2505 (new_scop): Call new_sese.
2506 (free_scop): Call free_sese.
2507 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2508 (register_old_new_names): Renamed register_old_and_new_names.
2509 (register_scop_liveout_renames, add_loop_exit_phis,
2510 insert_loop_close_phis, struct igp,
2511 default_liveout_before_guard, add_guard_exit_phis,
2512 insert_guard_phis, copy_renames): New.
2513 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2514 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2515 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2516 (scop_adjust_phis_for_liveouts): New.
2517 (gloog): Call scop_adjust_phis_for_liveouts.
2519 * graphite.h (struct sese): Documented. Added fields liveout,
2521 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2522 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2523 (struct scop): Added field liveout_renames.
2524 (SCOP_LIVEOUT_RENAMES): New.
2526 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2528 PR tree-optimization/38510
2529 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2530 (translate_clast): Call recompute_all_dominators before
2532 (gloog): Call recompute_all_dominators before graphite_verify.
2534 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2535 Jan Sjodin <jan.sjodin@amd.com>
2537 PR tree-optimization/38500
2538 * graphite.c (create_sese_edges): Call fix_loop_structure after
2541 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2543 * config.gcc: Add m32r*-*-rtems*.
2544 * config/m32r/rtems.h: New file.
2546 2009-01-05 Ben Elliston <bje@au.ibm.com>
2548 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2549 (.po.pox): Likewise.
2550 (po/gcc.pot): Likewise.
2552 2009-01-04 David S. Miller <davem@davemloft.net>
2554 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2555 (STARTING_FRAME_OFFSET): Always set to zero.
2557 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2559 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2560 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2561 fixed-point types, and vectors of the same.
2563 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2565 * config/mips/sync.md (*mb_barrier): Rename to...
2566 (*memory_barrier): ...this.
2568 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2570 * doc/extend.texi (Function Attributes): Move @cindex after @item
2571 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2572 and put in alphabetical order. Fix 'target' name and put in order.
2573 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2576 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2578 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2579 (memory_barrier): Expand as unspec instead of unspec_volatile.
2580 Remove mem:BLK from insn operands. Use Pmode scratch register.
2581 (*memory_barrier): Define as unspec instead of unspec_volatile.
2582 Use (match_dup 0) as input operand.
2584 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2585 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2586 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2587 scratch register. Remove operand 1.
2588 (*stbar): Define as unspec instead of unspec_volatile.
2589 Use (match_dup 0) as input operand, remove (const_int 8).
2590 (*membar): Define as unspec instead of unspec_volatile.
2591 Use (match_dup 0) as input operand, remove input operand 2.
2593 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2594 (memory_barrier): Expand as unspec instead of unspec_volatile.
2595 Remove mem:BLK from insn operands. Use Pmode scratch register.
2596 (*memory_barrier): Define as unspec instead of unspec_volatile.
2597 Use (match_dup 0) as input operand.
2599 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2600 Remove mem:BLK from insn operands. Use Pmode scratch register.
2601 Set volatile flag on operand 0.
2602 (*memory_barrier): New insn pattern.
2604 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2606 (*memory_barrier): Use (match_dup 0) as input operand.
2608 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2609 Remove mem:BLK from insn operands. Use Pmode scratch register.
2610 Set volatile flag on operand 0.
2611 (*mb_internal): New insn pattern.
2613 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2615 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2618 * function.c (struct temp_slot): Move to the section of the file
2619 that deals with temp slots. Remove field 'address'.
2620 (temp_slot_address_table): New hash table of address -> temp slot.
2621 (struct temp_slot_address_entry): New struct, items for the table.
2622 (temp_slot_address_compute_hash, temp_slot_address_hash,
2623 temp_slot_address_eq, insert_temp_slot_address): Support functions
2625 (find_temp_slot_from_address): Rewrite to use the new hash table.
2626 (remove_unused_temp_slot_addresses): Remove addresses of temp
2627 slots that have been made available.
2628 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2629 worker function for remove_unused_temp_slot_addresses.
2630 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2631 Add the temp slot address to the address -> temp slot map.
2632 (update_temp_slot_address): Update via insert_temp_slot_address.
2633 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2634 (pop_temp_slots): Likewise.
2635 (init_temp_slots): Allocate the address -> temp slot map, or empty
2636 the map if it is already allocated.
2637 (prepare_function_start): Initialize temp slot processing.
2639 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2642 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2643 Calculate the size of all stack vars assuming no packing of stack
2644 vars will happen, replacing a quadratic algorithm with a linear one.
2646 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2649 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2652 2009-01-03 Diego Novillo <dnovillo@google.com>
2654 * doc/contrib.texi: Update contributions.
2656 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2659 * builtins.c (fold_builtin_memory_op): Give up if either operand
2660 is volatile. Set srctype or desttype to non-qualified version
2664 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2667 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2669 PR rtl-optimization/35805
2670 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2671 problem if fast dce is able to remove any instructions.
2672 * dce.c (dce_process_block): Fix dump message.
2674 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2677 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2679 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2682 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2683 * tree-pretty-print.c (op_code_prio): New function.
2684 (op_prio): No longer static. Use op_code_prio.
2685 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2686 Use op_prio and op_code_prio to determine if () should be
2687 printed around operand(s) or not.
2689 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2690 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2691 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2692 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2693 pp_character instead of pp_string for single letter printing.
2695 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2697 * doc/extend.texi: Fix '#pragma GCC option' typo.
2699 2009-01-02 Richard Guenther <rguenther@suse.de>
2701 * doc/install.texi (--enable-checking): Mention different
2703 (--enable-stage1-checking): Document.
2705 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2708 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2709 case to be an error.
2711 2009-01-02 Ben Elliston <bje@au.ibm.com>
2713 * config/fp-bit.h (pack_d): Constify argument.
2714 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2715 (isnan): Constify argument.
2719 (_fpadd_parts): Constify return type.
2720 (_fpmul_parts): Likewise.
2721 (_fpdiv_parts): Likewise.
2723 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2726 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2727 warn about overwriting initializer with side-effects or
2728 -Woverride-init if !IMPLICIT.
2729 (output_init_element): Likewise. Pass IMPLICIT down to
2731 (process_init_element): Add IMPLICIT argument. Pass it down
2732 to output_init_element.
2733 (push_init_element, pop_init_level, set_designator): Adjust
2734 process_init_element callers.
2735 (set_nonincremental_init, set_nonincremental_init_from_string):
2736 Adjust add_pending_init callers.
2737 (output_pending_init_elements): Adjust output_init_element callers.
2738 * c-tree.h (process_init_element): Adjust prototype.
2739 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2740 process_init_element callers.