1 2009-03-04 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/39362
4 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
5 that occur in abnormal PHIs should be varying.
7 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
9 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
11 (simple_iv): Take loop as an argument instead of statement.
12 * tree-scalar-evolution.h (simple_iv): Declaration changed.
13 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
15 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
17 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
18 * matrix-reorg.c (analyze_transpose): Ditto.
19 * tree-data-ref.c (dr_analyze_innermost): Ditto.
20 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
21 * tree-predcom.c (ref_at_iteration): Ditto.
22 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
24 2009-03-04 Richard Guenther <rguenther@suse.de>
26 PR tree-optimization/39358
27 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
28 escaped_id and callused_id.
29 (solve_graph): Likewise.
31 2009-03-04 Richard Guenther <rguenther@suse.de>
33 PR tree-optimization/39339
34 * tree-sra.c (try_instantiate_multiple_fields): Make it
35 no longer ICE on the above.
37 2009-03-03 Joseph Myers <joseph@codesourcery.com>
39 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
40 that fits within Pmode.
42 2009-03-03 Steve Ellcey <sje@cup.hp.com>
45 * tm.texi (LIBCALL_VALUE): Update description.
47 2009-03-03 Steve Ellcey <sje@cup.hp.com>
50 * doc/extend.texi (section): Update description.
52 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
55 * tree-inline.c (remapped_type): New.
56 (can_be_nonlocal): Call remapped_type instead of remap_type.
58 2009-03-03 Jakub Jelinek <jakub@redhat.com>
61 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
62 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
64 2009-03-03 Richard Guenther <rguenther@suse.de>
67 * tree.c (tree_nonartificial_location): New function.
68 * tree.h (tree_nonartificial_location): Declare.
69 * builtins.c (expand_builtin_memory_chk): Provide location
70 of the call location for artificial function pieces.
71 (maybe_emit_chk_warning): Likewise.
72 (maybe_emit_sprintf_chk_warning): Likewise.
73 (maybe_emit_free_warning): Likewise.
74 * expr.c (expand_expr_real_1): Likewise.
76 2009-03-03 Jakub Jelinek <jakub@redhat.com>
78 PR tree-optimization/39343
79 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
80 COMPONENT_REF t has ARRAY_TYPE.
82 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
85 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
86 when the type precision of the induction variable should be
87 larger than the type precision of nit.
88 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
89 * graphite.c (graphite_loop_normal_form): Same.
90 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
92 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
94 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
95 (*call_1_rex64_ms_sysv): Use named constants instead of magic
96 numbers to describe clobbbered registers.
97 (*call_value_0_rex64_ms_sysv): Ditto.
98 * config/i386/mmx.md (emms): Ditto.
101 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
103 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
106 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
108 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
109 (spu_section_type_flags): New function.
111 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
113 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
114 reg_class_contents of FLOAT_REGS into a temporary.
116 2009-03-02 Richard Guenther <rguenther@suse.de>
117 Ira Rosen <irar@il.ibm.com>
119 PR tree-optimization/39318
120 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
121 information to the vectorized statement.
123 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
125 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
126 variable. Use defined names instead of magic constants for REX SSE
129 2009-03-01 Richard Guenther <rguenther@suse.de>
131 PR tree-optimization/39331
132 * omp-low.c (lower_send_shared_vars): Do not receive new
133 values for the reference of DECL_BY_REFERENCE parms or results.
135 2009-03-01 Jan Hubicka <jh@suse.cz>
138 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
139 BLOCK_NONLOCALIZED_VAR): New macros.
140 (tree_block): Add nonlocalized_vars.
141 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
142 gen_decl_die): Add origin argument. Allow generation of die with
144 (gen_member_die, gen_type_die_with_usage, force_decl_die,
145 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
147 (gen_block_die): Fix checking for unused blocks.
148 (process_scope_var): Break out from .... ; work with origins only.
149 (decls_for_scope) ... here; process nonlocalized list.
150 (dwarf2out_ignore_block): Look for nonlocalized vars.
151 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
153 (dump_scope_block): Dump them.
154 * tree-inline.c (remap_decls): Handle nonlocalized vars.
155 (remap_block): Likewise.
156 (can_be_nonlocal): New predicate.
157 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
159 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
161 * configure: Regenerate.
163 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
165 * optc-gen.awk: No need to duplicate option flags twice.
166 Reuse help texts for duplicate options which do not have
169 * gcc.c (display_help): Document --version.
171 * gcc.c (main): If print_help_list and verbose_flag, ensure
172 driver output comes before subprocess output.
174 * optc-gen.awk: Assign all remaining fields to help string,
175 space-separated, for multi-line help in *.opt.
177 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
178 -Wno-pedantic-ms-format is for MinGW targets only.
180 * doc/options.texi (Option file format): Fix bad indentation,
181 restoring dropped sentence.
183 2009-02-28 Jan Hubicka <jh@suse.cz>
185 * tree-inline.c (tree_function_versioning): Output debug info.
187 2009-02-28 Jan Hubicka <jh@suse.cz>
190 * tree-inline.c (setup_one_parameter): Do not copy propagate
191 arguments when not optimizing.
193 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
196 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
197 (avx_addsubv4df3): Likewise.
198 (*avx_addsubv4sf3): Likewise.
199 (sse3_addsubv4sf3): Likewise.
200 (*avx_addsubv2df3): Likewise.
201 (sse3_addsubv2df3): Likewise.
202 (avx_unpckhps256): Correct item selectors.
203 (avx_unpcklps256): Likewise.
204 (avx_unpckhpd256): Likewise.
205 (avx_unpcklpd256): Likewise.
207 2009-02-28 Jan Hubicka <jh@suse.cz>
209 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
211 (copy_arguments_for_versioning): If var is declared don't declare it.
212 (tree_function_versioning): First setup substitutions and then copy
215 2009-02-27 Jan Hubicka <jh@suse.cz>
218 * cgraph.h (varpool_output_debug_info): Remove.
219 * cgraphunit.c (varpool_output_debug_info): Remove.
220 * dwarf2out.c (deferred_locations_struct): New struct
221 (deferred_locations): New type.
222 (deferred_locations_list): New static var.
223 (deffer_location): New function.
224 (gen_variable_die): Use it.
225 (decls_for_scope): Output info on local static vars.
226 (dwarf2out_finish): Process deferred locations.
227 * varpool.c (varpool_output_debug_info): Remove.
229 2009-02-27 Jan Hubicka <jh@suse.cz>
232 * tree.h (TREE_PROTECTED): Fix comment.
233 (BLOCK_HANDLER_BLOCK): Remove.
234 (struct tree_block): Remove handler_block add body_block.
235 (inlined_function_outer_scope_p): New.
236 (is_body_block): Remove.
237 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
238 * dwarf2out.c (is_inlined_entry_point): Remove.
239 (add_high_low_attributes): Use inlined_function_outer_scope_p.
240 (gen_block_die): Use is_inlined_entry_point check. Remove body block
242 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
243 * gimplify.c (gimplify_expr): Gimplify body blocks.
244 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
245 block with multiple subblocks.
246 (dump_scope_block): Prettier output; dump more flags and info.
247 (dump_scope_blocks): New.
248 (remove_unused_locals): Use dump_scope_blocks.
249 * tree-flow.h (dump_scope_blocks): Declare.
250 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
251 * stmt.c (is_body_block): Remove.
252 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
253 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
255 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
258 * graphite.c (graphite_loop_normal_form): Do not call
259 number_of_iterations_exit from a gcc_assert.
261 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
263 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
264 jumps if COND is NULL.
265 (find_cond_jump): New function.
266 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
267 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
269 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
271 * config/alpha/alpha.h (alpha_expand_mov): Return false if
272 force_const_mem returns NULL_RTX.
274 2009-02-26 Jan Hubicka <jh@suse.cz>
277 * cgraph.h (varpool_output_debug_info): Remove.
278 * cgraphunit.c (varpool_output_debug_info): Remove.
279 * dwarf2out.c (deferred_locations_struct): New struct
280 (deferred_locations): New type.
281 (deferred_locations_list): New static var.
282 (deffer_location): New function.
283 (gen_variable_die): Use it.
284 (decls_for_scope): Output info on local static vars.
285 (dwarf2out_finish): Process deferred locations.
286 * varpool.c (varpool_output_debug_info): Remove.
288 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
290 PR rtl-optimization/39241
291 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
292 to subreg_offset_representable_p.
294 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
296 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
297 execute function prototype. Get f and nregs from max_reg_num
298 and get_insns. Remove the first backward pass as it's dead,
299 guard the forward pass by flag_expensive_optimizations.
300 (rest_of_handle_regmove): Delete.
301 (pass_regmove): Replace it with regmove_optimize.
303 2009-02-25 Martin Jambor <mjambor@suse.cz>
305 PR tree-optimization/39259
306 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
307 alls_alloca function flags.
308 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
311 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
313 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
314 flags_set_1_rtx, flags_set_1_set): Delete.
315 (regmove_optimize): Do not call mark_flags_life_zones.
317 2009-02-24 Julian Brown <julian@codesourcery.com>
320 * config/arm/arm.c (require_pic_register): Only set
321 cfun->machine->pic_reg once per function.
323 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
325 * doc/invoke.texi (Link Options): Document an easier way to pass
326 options that take arguments to the GNU linker using -Xlinker and -Wl.
328 2009-02-24 Steve Ellcey <sje@cup.hp.com>
331 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
333 2009-02-24 Richard Guenther <rguenther@suse.de>
336 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
338 2009-02-24 Richard Guenther <rguenther@suse.de>
339 Zdenek Dvorak <ook@ucw.cz>
341 PR tree-optimization/39233
342 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
343 from converting them to a generic type.
345 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
347 PR tree-optimization/39260
348 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
349 contains a condition with a real type.
350 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
352 2009-02-23 Jason Merrill <jason@redhat.com>
355 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
356 narrowing_initializer_constant_valid_p.
357 (narrowing_initializer_constant_valid_p): Don't return
358 null_pointer_node for adding a pointer to itself.
360 2009-02-23 Jan Hubicka <jh@suse.cz>
363 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
366 2009-02-23 Jan Hubicka <jh@suse.cz>
368 PR tree-optimization/37709
369 * tree.c (block_ultimate_origin): Move here from dwarf2out.
370 * tree.h (block_ultimate_origin): Declare.
371 * dwarf2out.c (block_ultimate_origin): Move to tree.c
372 * tree-ssa-live.c (remove_unused_scope_block_p):
373 Eliminate blocks containig no instructions nor live variables nor
375 (dump_scope_block): New function.
376 (remove_unused_locals): Enable removal of dead blocks by default;
377 enable dumping at TDF_DETAILS.
379 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
381 * config/i386/i386.c (classify_argument): Don't allow COImode
383 (function_arg_advance_32): Don't allow OImode.
384 (function_arg_32): Likewise.
385 (function_value_32): Likewise.
386 (return_in_memory_32): Likewise.
387 (function_arg_64): Remove OImode comment.
389 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
392 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
393 ix86_expand_vector_set for V4DImode in 64bit mode only.
394 (ix86_expand_vector_init_one_var): Likewise.
396 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
398 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
400 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
403 * loop-iv.c: Revert last change.
404 * emit-rtl.c: Likewise.
406 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
409 * config/i386/i386.c (type_natural_mode): Remove an extra
410 space in the warning message.
411 (function_value_32): Handle 32-byte vector modes.
412 (return_in_memory_32): Likewise.
414 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
416 * loop-iv.c (truncate_value): New function.
417 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
419 (lowpart_subreg): Move to...
420 * emit-rtl.c: ...here.
422 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
424 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
425 accidental and undocumented change at revision 140860.
427 2009-02-21 Joseph Myers <joseph@codesourcery.com>
429 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
430 take gimple_seq * arguments.
431 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
432 types_compatible_p langhook.
434 2009-02-20 Mark Mitchell <mark@codesourcery.com>
435 Joseph Myers <joseph@codesourcery.com>
437 * config/arm/arm.c (arm_builtin_va_list): New function.
438 (arm_expand_builtin_va_start): Likewise.
439 (arm_gimplify_va_arg_expr): Likewise.
440 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
441 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
442 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
443 (va_list_type): New variable.
444 (arm_mangle_type): Mangle va_list_type appropriately.
446 2009-02-20 Jakub Jelinek <jakub@redhat.com>
449 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
450 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
451 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
452 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
453 parameter to 1000 for -O1 by default.
454 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
456 * loop-invariant.c: Include params.h.
457 (move_loop_invariants): Don't call move_single_loop_invariants on
460 2009-02-20 Jaka Mocnik <jaka@xlab.si>
462 * calls.c (emit_library_call_value_1): Use slot_offset instead of
463 offset when calculating bounds for indexing stack_usage_map. Fixes
464 a buffer overflow with certain target setups.
466 2009-02-20 Jakub Jelinek <jakub@redhat.com>
469 * calls.c (expand_call): Clear try_tail_call if caller and callee
470 disagree in promotion of function return value.
472 2009-02-19 Jakub Jelinek <jakub@redhat.com>
475 * c-common.c (c_determine_visibility): If visibility changed and
476 DECL_RTL has been already set, call make_decl_rtl to update symbol
479 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
482 * varasm.c (assemble_variable): Don't check DECL_NAME when
483 globalizing a variable.
485 2009-02-19 Joseph Myers <joseph@codesourcery.com>
488 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
489 expression before any __builtin_trap call.
490 * c-typeck.c (build_function_call): Convert and check function
491 arguments before generating a call to a trap. Evaluate the
492 function arguments before the trap.
494 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
497 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
498 (UNSPEC_FXAM_MEM): New unspec.
499 (fxam<mode>2_i387_with_temp): New insn and split pattern.
500 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
501 memory using fxam<mode>2_i387_with_temp to remove excess precision.
503 2009-02-19 Richard Guenther <rguenther@suse.de>
505 PR tree-optimization/39207
506 PR tree-optimization/39074
507 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
508 storedanything_tree): New.
509 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
510 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
511 (build_succ_graph): Add edges from STOREDANYTHING to all
513 (init_base_vars): Initialize STOREDANYTHING.
514 (compute_points_to_sets): Free substitution info after
515 building the succ graph.
516 (ipa_pta_execute): Likewise.
518 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
520 (do_ds_constraint): Do not add to special var or non-pointer
522 (type_could_have_pointers): Split out from ...
523 (could_have_pointers): ... here. For arrays use the element type.
524 (create_variable_info_for): Initialize may_have_pointers.
525 (new_var_info): Likewise.
526 (handle_lhs_call): Make the HEAP variable unknown-sized.
527 (intra_create_variable_infos): Use a type with pointers for
528 PARM_NOALIAS, make it unknown-sized.
530 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
533 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
535 2009-02-18 Jason Merrill <jason@redhat.com>
538 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
539 value if DECL_EXTERNAL.
540 * tree-sra.c (sra_walk_gimple_assign): Likewise.
541 * target.h (gcc_target::binds_local_p): Clarify "module".
542 * tree.h (TREE_PUBLIC): Clarify "module".
544 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
547 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
548 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
550 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
553 * c.opt (Wabi): Support C and ObjC.
556 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
558 * config/i386/i386.c (classify_argument): Warn once about the ABI
559 change when passing union with long double.
561 * doc/invoke.texi: Update -Wabi for warning psABI changes.
563 2009-02-18 Joseph Myers <joseph@codesourcery.com>
566 * c-parser.c (c_parser_compound_statement): Always enter and leave
569 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
572 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
574 2009-02-18 Jakub Jelinek <jakub@redhat.com>
576 PR tree-optimization/36922
577 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
578 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
581 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
583 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
586 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
588 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
590 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
592 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
595 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
596 Richard Sandiford <rdsandiford@googlemail.com>
598 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
599 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
600 (loongson_biadd): ...this.
602 2009-02-17 Richard Guenther <rguenther@suse.de>
604 PR tree-optimization/39202
605 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
606 a var make sure to follow existing collapses.
608 2009-02-17 Richard Guenther <rguenther@suse.de>
611 * langhooks.c (lhd_print_error_function): Check for NULL block.
613 2009-02-17 Richard Guenther <rguenther@suse.de>
615 PR tree-optimization/39204
616 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
619 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
621 * config/soft-fp/double.h: Update from glibc CVS.
623 2009-02-17 Richard Guenther <rguenther@suse.de>
625 PR tree-optimization/39207
626 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
627 strict-aliasing warnings for pointers pointing to NULL.
629 2009-02-16 Joseph Myers <joseph@codesourcery.com>
632 * c-parser.c (c_parser_braced_init): Call pop_init_level when
633 skipping until next close brace.
635 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
638 * config/i386/i386.c (ix86_expand_push): Set memory alignment
639 to function argument boundary.
641 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
643 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
644 in the lea_add. Reload eventually constraints it properly.
645 * config/picochip/constraints.md : Remove the target constraint
646 "b", since it is not needed anymore.
648 2009-02-16 Jakub Jelinek <jakub@redhat.com>
650 * gthr-dce.h: Uglify function parameter and local variable names.
651 * gthr-gnat.h: Likewise.
652 * gthr-mipssde.h: Likewise.
653 * gthr-nks.h: Likewise.
654 * gthr-posix95.h: Likewise.
655 * gthr-posix.h: Likewise.
656 * gthr-rtems.h: Likewise.
657 * gthr-single.h: Likewise.
658 * gthr-solaris.h: Likewise.
659 * gthr-tpf.h: Likewise.
660 * gthr-vxworks.h: Likewise.
661 * gthr-win32.h: Likewise.
663 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
666 * config/i386/i386.md: Restrict the new peephole2 to move
667 between MMX/SSE registers.
669 2009-02-15 Richard Guenther <rguenther@suse.de>
672 2009-02-13 Richard Guenther <rguenther@suse.de>
674 * configure.ac: Enable LFS.
675 * configure: Re-generate.
676 * config.in: Likewise.
678 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
680 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
681 spu_srqwbyte, spu_srqwbytebc): Define.
682 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
683 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
684 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
685 "shrqby_<mode>"): New insn-and-split patterns.
686 * config/spu/spu.c (expand_builtin_args): Determine and return
687 number of operands using spu_builtin_description data.
688 (spu_expand_builtin_1): Use it.
690 2009-02-13 Steve Ellcey <sje@cup.hp.com>
693 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
696 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
699 * config/i386/i386.c (override_options): Correct warning
700 messages for -malign-loops, -malign-jumps and -malign-functions.
702 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
705 * config/i386/i386.md: Restrict the new peephole2 to move
706 between the general purpose registers.
708 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
711 * config/i386/i386.c (type_natural_mode): Add a new argument.
712 Return the original mode and warn ABI change if vector size is 32byte.
713 (function_arg_advance): Updated.
714 (function_arg): Likewise.
715 (ix86_function_value): Likewise.
716 (ix86_return_in_memory): Likewise.
717 (ix86_sol10_return_in_memory): Likewise.
718 (ix86_gimplify_va_arg): Likewise.
719 (function_arg_32): Don't warn ABX ABI change here.
720 (function_arg_64): Likewise.
722 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
724 * loop-iv.c (implies_p): In the final case, test that operands 0
725 of the two comparisons match.
727 * config/bfin/bfin.c (find_prev_insn_start): New function.
728 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
729 (find_next_insn_start): Move.
731 2009-02-13 Richard Guenther <rguenther@suse.de>
733 * configure.ac: Enable LFS.
734 * configure: Re-generate.
735 * config.in: Likewise.
737 2009-02-13 Joseph Myers <joseph@codesourcery.com>
740 * c-parser.c (c_parser_parms_list_declarator): Discard pending
741 sizes on syntax error after some arguments have been parsed.
743 2009-02-12 Jakub Jelinek <jakub@redhat.com>
745 * doc/invoke.texi (-fira): Remove.
747 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
749 * caller-save.c: Replace regclass.c with reginfo.c in comments.
753 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
755 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
756 (umul_ppmm): Likewise.
757 (count_leading_zeros): Likewise.
758 (count_trailing_zeros): Likewise.
759 (UMUL_TIME): Likewise.
761 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
763 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
764 soft-fp/t-softfp to tmake_file.
766 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
767 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
768 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
769 IA64_BUILTIN_INFQ]: New.
770 (ia64_init_builtins): Initialize __builtin_infq,
771 __builtin_fabsq and __builtin_copysignq if not HPUX.
772 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
773 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
775 * config/ia64/lib1funcs.asm (__divtf3): Define only if
777 (__fixtfti): Likewise.
778 (__fixunstfti): Likewise.
779 (__floattitf): Likewise.
781 * config/ia64/libgcc-glibc.ver: New.
782 * config/ia64/t-fprules-softfp: Likewise.
783 * config/ia64/sfp-machine.h: Likewise.
785 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
786 (LIBGCC2_TF_CEXT): Likewise.
788 (TARGET_INIT_LIBFUNCS): Likewise.
790 * config/ia64/t-glibc (SHLINB_MAPFILES):
791 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
793 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
795 * config/i386/i386.c (construct_container): Rewrite processing
796 BLKmode with X86_64_SSE_CLASS.
798 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
801 * config/i386/i386.md: Replace simplify_replace_rtx with
802 replace_rtx in the new peephole2.
804 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
806 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
807 loop unrolling do not happen at -O2.
809 2009-02-12 Michael Matz <matz@suse.de>
811 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
813 2009-02-12 Jakub Jelinek <jakub@redhat.com>
815 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
818 2009-02-12 Ben Elliston <bje@au.ibm.com>
820 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
821 patterns when updating the back chain. Missed in the 2009-02-10
824 2009-02-11 Janis Johnson <janis187@us.ibm.com>
826 * doc/extend.texi (Decimal Floating Types): Update identifier of
827 draft TR and list of missing support.
829 2009-02-11 Jakub Jelinek <jakub@redhat.com>
832 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
833 bit to variable length decl's flags, add it also to its
834 pointer replacement variable.
836 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
837 Jakub Jelinek <jakub@redhat.com>
840 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
841 (memory_blockage): New expander.
842 (*memory_blockage): New insn pattern.
843 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
844 instead of general blockage at the end of function prologue when
845 frame pointer is used to access red zone area. Do not emit blockage
846 when profiling, it is emitted in generic code.
847 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
848 function epilogue when frame pointer is used to access red zone area.
850 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
853 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
854 by arithmetic with memory operands.
855 * config/i386/predicates.md (commutative_operator): New.
857 2009-02-10 Janis Johnson <janis187@us.ibm.com>
859 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
862 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
864 * alias.h (record_alias_subset): Declare.
865 * alias.c (record_alias_subset): Make global.
867 2009-02-10 Nick Clifton <nickc@redhat.com>
869 * tree-parloops.c: Change license to GPLv3.
870 * ipa-struct-reorg.c: Change license to GPLv3.
871 * ipa-struct-reorg.h: Change license to GPLv3.
873 2009-02-10 Steve Ellcey <sje@cup.hp.com>
876 * c-decl.c (start_struct): Return NULL on error.
878 2009-02-10 Jakub Jelinek <jakub@redhat.com>
881 * cfgloopmanip.c (remove_path): Call remove_bbs after
882 cancel_loop_tree, not before it.
885 * function.h (struct function): Add has_local_explicit_reg_vars bit.
886 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
888 * tree-ssa-live.c (remove_unused_locals): Recompute
889 cfun->has_local_explicit_reg_vars.
890 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
891 copies or clearings if cfun->has_local_explicit_reg_vars.
893 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
896 * config/i386/i386.c (expand_prologue): Emit blockage at the end
897 of function prologue when frame pointer is used to access
900 2009-02-10 Richard Guenther <rguenther@suse.de>
903 * gimplify.c (gimple_regimplify_operands): Always look if
904 we need to create a temporary.
906 2009-02-10 Richard Guenther <rguenther@suse.de>
908 PR tree-optimization/39132
909 * tree-loop-distribution.c (todo): New global var.
910 (generate_memset_zero): Trigger TODO_rebuild_alias.
911 (tree_loop_distribution): Return todo.
913 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
916 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
917 (x86_64_reg_class_name): Removed.
918 (classify_argument): Return 0 if bytes > 32. Return 0 if the
919 first one isn't X86_64_SSE_CLASS or any other ones aren't
920 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
921 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
922 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
923 and 3 X86_64_SSEUP_CLASS.
924 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
925 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
927 2009-02-10 Ben Elliston <bje@au.ibm.com>
929 * config/rs6000/rs6000.md (allocate_stack): Always use an update
930 form instruction to update the stack back chain word, even if the
931 user has disabled the generation of update instructions.
932 (movdi_<mode>_update_stack): New.
933 (movsi_update_stack): Likewise.
934 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
935 always use an update form instruction to update the stack back
938 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
941 * graphite.c (if_region_set_false_region): After moving a region in
942 the false branch of a condition, remove the empty dummy basic block.
943 (gloog): Remove wrong fix for PR38953.
945 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
947 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
948 generation due to implicit sign extension.
950 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
953 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
954 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
956 2009-02-09 Richard Guenther <rguenther@suse.de>
959 * convert.c (convert_to_real): Disable (float)fn((double)x)
960 to fnf(x) conversion if errno differences may occur and
963 2009-02-07 Anatoly Sokolov <aesok@post.ru>
965 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
966 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
967 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
969 2009-02-06 Joseph Myers <joseph@codesourcery.com>
972 * c-common.c (handle_alias_attribute): Disallow attribute for
973 anything not a FUNCTION_DECL or VAR_DECL.
975 2009-02-06 Janis Johnson <janis187@us.ibm.com>
978 * real.c (do_compare): Special-case compare of zero against
981 2009-02-06 Joseph Myers <joseph@codesourcery.com>
984 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
985 as indicating flexible array members unless the field itself is
986 being declarared as the incomplete array.
988 2009-02-06 Jan Hubicka <jh@suse.cz>
990 PR tree-optimization/38844
991 * ipa-inline.c (try_inline): Stop inlining recursion when edge
994 2009-02-06 Richard Guenther <rguenther@suse.de>
997 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
998 fork because we may expand it as __gcov_fork.
1000 2009-02-06 Nick Clifton <nickc@redhat.com>
1002 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1004 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1006 PR tree-optimization/35659
1007 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1008 vn_phi_eq): Shortcut if hashcode does not match.
1009 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1011 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1012 and avoid iterative_hash_expr.
1013 (FOR_EACH_VALUE_ID_IN_SET): New.
1014 (value_id_compare): Remove.
1015 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1016 sort expressions by value id.
1018 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1021 * config/sh/predicates.md (general_movsrc_operand): Don't check
1022 the subreg of system registers here.
1024 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1027 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1030 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1032 PR rtl-optimization/39110
1033 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1034 addresses, not aligned ones.
1036 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1037 Richard Guenther <rguenther@suse.de>
1039 PR tree-optimization/39100
1040 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1041 comment says and add edges.
1043 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1046 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1047 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1049 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1051 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1052 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1053 register_bb_in_sese, new_sese, free_sese): Moved.
1054 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1055 outermost_loop_in_scop, build_scop_iteration_domain,
1056 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1057 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1058 Use loop_in_sese_p instead of loop_in_scop_p.
1059 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1060 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1061 (scopdet_basic_block_info): Fix bug in scop detection.
1062 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1063 eq_loop_to_cloog_loop): Remove.
1064 (nb_loops_around_loop_in_scop, nb_loop
1065 ref_nb_loops): Moved here...
1066 * graphite.h (ref_nb_loops): ... from here.
1067 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1068 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1069 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1070 * testsuite/gcc.dg/graphite/scop-19.c: New
1072 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1073 Hans-Peter Nilsson <hp@axis.com>
1075 PR rtl-optimization/37889
1076 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1077 Move offset handling from PLUS to before the switch. Use new
1078 arguments when considering SYMBOL_REFs too.
1079 (rtx_addr_can_trap_p): Pass dummy offset and size.
1080 (enum may_trap_p_flags): Remove.
1081 (may_trap_p_1): Pass size from MEM_SIZE.
1083 PR rtl-optimization/38921
1084 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1085 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1086 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1087 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1089 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1091 AVX Programming Reference (January, 2009)
1092 * config/i386/sse.md (*vpclmulqdq): New.
1094 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1096 PR tree-optimization/38977
1097 PR gcov-profile/38292
1098 * calls.c (special_function_p): Disregard __builtin_ prefix.
1100 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1102 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1103 non-indexable addresses even before reload.
1105 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1108 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1109 as having variable size. Do not give an error for unnamed
1110 parameters with [*] declarators. Give a warning for type names
1111 with [*] declarators and mark them as variable size.
1112 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1113 for sizeof applied to [*] type names.
1115 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1118 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1120 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1122 * gcc.c (process_command): Update copyright notice dates.
1123 * gcov.c (print_version): Likewise.
1124 * gcov-dump.c (print_version): Likewise.
1125 * mips-tfile.c (main): Likewise.
1126 * mips-tdump.c (main): Likewise.
1128 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1131 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1132 for composite type involving a zero-length array type.
1134 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1137 * function.c (match_asm_constraints_1): Skip over
1138 initial optional % in the constraint.
1141 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1142 supported, don't accept FIXED_CSTs.
1143 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1144 and _Sat is used without _Fract/_Accum. Set specs->type to
1145 integer_type_node for cts_fract/cts_accum if fixed point is not
1148 2009-02-02 Catherine Moore <clm@codesourcery.com>
1150 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1152 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1154 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1155 (ABI_HAS_64BIT_SYMBOLS): Use it.
1156 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1158 2009-02-02 Paul Brook <paul@codesourcery.com>
1160 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1162 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1165 * recog.h (asm_operand_ok): Add constraints argument.
1166 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1167 recurse on matching constraint.
1168 (check_asm_operands): Pass constraints as 3rd argument to
1169 asm_operand_ok. Don't look up matching constraint here.
1170 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1173 2009-02-02 Ben Elliston <bje@au.ibm.com>
1175 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1176 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1178 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1180 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1181 information. Remove some obsolete information. Reorganize.
1183 * config/pa/fptr.c: Revert license to GPL 2.
1184 * config/pa/milli64.S: Likewise.
1186 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1189 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1190 LIBRARY name in, instead of hard-coding it.
1191 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1192 extra target make frag to tmake_files according to EH model.
1193 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1194 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1195 frags that define makefile variable EH_MODEL appropriately.
1196 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1197 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1198 to "-sjlj" according to type of EH configured.
1199 (LIBGCC_SONAME): Concatenate it to shared library base name.
1200 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1201 to "_sjlj" according to type of EH configured.
1202 (LIBGCC_SONAME): Concatenate it to shared library base name.
1203 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1204 (SHLIB_LINK): Add missing semicolon to if-else construct.
1205 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1206 string value of "pe_dll" command-line option.
1207 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1208 (SHLIB_SONAME): Use it when overriding t-cygming default.
1209 (SHLIB_IMPLIB): Override t-cygming default.
1210 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1211 string value of "pe_dll" command-line option.
1213 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1216 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1217 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1219 2009-01-31 Richard Guenther <rguenther@suse.de>
1221 PR tree-optimization/38937
1222 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1223 computing the transitive closure.
1225 2009-01-30 Richard Guenther <rguenther@suse.de>
1227 PR tree-optimization/39041
1228 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1229 Propagate variable indices only if the types match for this stmt.
1231 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1234 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1235 inline but never defined.
1237 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1239 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1240 (*insv_h_di_reg_extimm): New insn.
1241 (*insv_l<mode>_reg_extimm): New insn.
1243 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1245 * config/picochip/picochip.c (flag_conserve_stack): set
1246 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1247 fconserve-stack. Reduce call-overhead used by inliner.
1249 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1252 * common.opt (flag_conserve_stack): Initialised to zero.
1254 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1257 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1258 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1261 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1263 * ira-color.c (allocno_reload_assign): Update comments.
1264 * regmove.c (regmove_optimize): Likewise.
1268 2009-01-29 Robert Millan <rmh@aybabtu.com>
1270 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1271 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1272 `MD_UNWIND_SUPPORT'.
1273 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1275 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1277 PR tree-optimization/39007
1278 * tree-loop-distribution.c (generate_builtin): Use
1279 recompute_dominator to compute the immediate dominator of the
1280 basic block just after the loop.
1282 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1284 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1285 (ASM_OUTPUT_DWARF_PCREL): Define.
1287 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1289 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1290 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1291 global. Modify entries about regmove and IRA.
1293 * ra-conflict.c: Remove the file.
1295 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1297 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1298 (pass_regclass_init): Rename to pass_reginfo_init.
1300 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1302 * toplev.h (flag_ira): Remove.
1304 * caller-save.c (setup_save_areas): Remove flag_ira.
1306 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1308 * global.c: Remove the file.
1310 * opts.c: (decode_options): Remove flag_ira.
1312 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1314 * regmove.c: Modify file description.
1315 (find_use_as_address, try_auto_increment): Define them only if
1316 AUTO_INC_DEC is defined.
1317 (replacement_quality, replace_in_call_usage, fixup_match_1,
1318 stable_and_no_regs_but_for_p): Remove.
1319 (reg_set_in_bb): Make it static.
1320 (regmove_optimize): Remove flag_ira and code which worked for
1323 * local-alloc.c: Remove the file.
1325 * common.opt (fira): Remove.
1327 * ira.c: Include except.h.
1328 (eliminable_regset): Move from global.c.
1329 (mark_elimination): Ditto. Remove flag_ira.
1330 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1331 equiv_mem_modified, validate_equiv_mem_from_store,
1332 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1333 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1334 no_equiv, recorded_label_ref): Move from local-alloc.c.
1335 (update_equiv_regs): Ditto. Make it static.
1336 (print_insn_chain, print_insn_chains): Move it from global.c.
1337 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1338 (build_insn_chain): Ditto. Make it static.
1339 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1340 Rename to init_live_subregs.
1341 (gate_ira): Remove flag_ira.
1343 * regclass.c: Rename reginfo.c. Change file description.
1344 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1345 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1346 (init_reg_sets_1): Remove code for evaluation of
1347 reg_class_superclasses and losing_caller_save_reg_set.
1348 (init_regs): Remove init_reg_autoinc.
1349 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1350 ok_for_base_p_nonstrict): Remove.
1351 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1352 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1353 corresponding entries.
1354 (dump_regclass, record_operand_costs, scan_one_insn,
1355 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1356 record_address_regs, auto_inc_dec_reg_p): Remove.
1357 (gt-regclass.h): Rename to gt-reginfo.h.
1359 * rtl.h (dump_global_regs, retry_global_alloc,
1360 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1362 * Makefile.in (RA_H): Remove.
1363 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1364 Rename regclass.o to reginfo.o.
1365 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1367 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1368 (GTFILES): Rename regclass.c to reginfo.c.
1370 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1371 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1373 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1374 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1376 (finish_spills): Ditto. Remove code for !flag_ira.
1378 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1381 * doc/invoke.texi (rtl debug options): Complete rewrite.
1382 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1384 * mode-switching.c (pass_mode_switching): Rename pass from
1385 "mode-sw" to "mode_sw".
1386 * except.c (pass_convert_to_eh_ranges): Rename pass from
1387 "eh-ranges" to "eh_ranges".
1388 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1392 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1393 Alexander Monakov <amonakov@ispras.ru>
1396 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1398 (move_exprs_to_boundary): Change return type and pass through
1399 should_move from move_op. Relax assert. Update usage ...
1400 (schedule_expr_on_boundary): ... here. Use should_move instead of
1402 (move_op_orig_expr_found): Indicate that insn was disconnected from
1404 (code_motion_process_successors): Do not call after_merge_succs
1405 callback if original expression was not found when traversing any of
1407 (code_motion_path_driver): Change return type. Update prototype.
1408 (move_op): Update comment. Add a new parameter (should_move). Update
1409 prototype. Set *should_move based on indication provided by
1410 move_op_orig_expr_found.
1412 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1414 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1415 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1416 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1417 * config/rs6000/rs6000.c (rs6000_override_options): Default
1418 avoid-indexed-addresses on for Power6, off for everything else.
1419 (avoiding_indexed_address_p): New function.
1420 (rs6000_legitimize_address): Use it.
1421 (rs6000_legitimate_address): Likewise.
1422 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1424 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1426 PR tree-optimization/38997
1427 * tree-loop-distribution.c (generate_memset_zero): Use
1428 POINTER_PLUS_EXPR for a pointer addition.
1430 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1432 * config/s390/s390.md (bswap<mode>2): New pattern added.
1434 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1436 * config/s390/s390.md (*tls_load_31): Added type attribute.
1438 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1440 * config/s390/s390.md: Fix a few comments.
1442 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1444 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1445 (*tm<mode>_full): Fixed z10prop attribute.
1446 (*tst<mode>_extimm): Fixed z10prop attribute.
1447 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1448 (*tstqiCCT_cconly): Fixed z10prop attribute.
1449 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1450 (*movsi_larl): Fixed z10prop attribute.
1451 (*movsi_zarch): Fixed z10prop attribute.
1452 (*movsi_eas): Fixed z10prop attribute.
1453 (*movhi): Fixed z10prop attribute.
1454 (*movqi): Fixed z10prop attribute.
1455 (*movstrictqi): Fixed z10prop attribute.
1456 (*mov<mode>): Fixed z10prop attribute.
1457 (*movcc): Fixed z10prop attribute.
1458 (*sethighpartdi_64): Fixed z10prop attribute.
1459 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1460 (*negdi2_sign_cc): Fixed z10prop attribute.
1461 (*negdi2_sign): Fixed z10prop attribute.
1462 (*absdi2_sign_cc): Fixed z10prop attribute.
1463 (*absdi2_sign): Fixed z10prop attribute.
1464 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1465 (*negabsdi2_sign): Fixed z10prop attribute.
1466 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1467 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1468 (doloop_si64): Fixed z10prop attribute.
1469 (doloop_si31): Fixed z10prop attribute.
1470 (doloop_long): Fixed z10prop attribute.
1471 (indirect_jump): Fixed z10prop attribute.
1472 (nop): Fixed z10prop attribute.
1473 (main_base_64): Fixed z10prop attribute.
1474 (reload_base_64): Fixed z10prop attribute.
1476 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1478 PR rtl-optimization/38740
1479 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1481 * config/mips/mips.c (mips_reorg): Likewise.
1483 2009-01-28 Richard Guenther <rguenther@suse.de>
1485 PR tree-optimization/38926
1486 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1487 with the correct value id to a value.
1488 (do_regular_insertion): Use the value number of edoubleprime
1489 for the value number of the expr.
1492 2008-08-21 Richard Guenther <rguenther@suse.de>
1494 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1495 a PHI ask VN if it is already available.
1496 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1497 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1499 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1502 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1503 set to varying whenever max has TREE_OVERFLOW set, similarly
1504 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1506 2009-01-28 Richard Guenther <rguenther@suse.de>
1509 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1510 uninitialized aggregate uses in call arguments.
1512 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1514 PR tree-optimization/38984
1515 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1516 the nothing_id variable if -fno-delete-null-pointer-checks.
1518 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1521 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1522 (set_got_offset_rex64): Ditto.
1524 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1527 * doc/extend.texi: Improve local variable with asm reg.
1529 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1531 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1532 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1533 was not supplied then set warn_packed_bitfield_compat to the
1535 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1538 2009-01-27 Richard Guenther <rguenther@suse.de>
1540 PR tree-optimization/38503
1541 * cfgexpand.c (expand_gimple_basic_block): Ignore
1542 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1543 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1544 variables that cannot have TBAA applied.
1545 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1548 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1551 * calls.c (initialize_argument_information): Do not wrap complex
1552 arguments in SAVE_EXPR.
1554 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1556 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1557 (INSTALL_LIBGCC): Revert typo commit.
1559 2009-01-26 Richard Guenther <rguenther@suse.de>
1561 PR tree-optimization/38745
1562 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1563 from special handling.
1565 2009-01-26 Richard Guenther <rguenther@suse.de>
1567 PR tree-optimization/38745
1568 * tree-ssa.c (execute_update_addresses_taken): Do not include
1569 variables that cannot possibly be a register in not_reg_needs.
1570 Do not clear TREE_ADDRESSABLE on vars that may not become
1572 * tree-ssa.c (update_alias_info_1): Include those in the set
1573 of addressable vars.
1575 2009-01-26 Richard Guenther <rguenther@suse.de>
1578 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1579 * tree-ssa-dse.c: Include langhooks.h
1580 (execute_simple_dse): Remove stores with zero size.
1582 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1585 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1588 2009-01-24 Julian Brown <julian@codesourcery.com>
1590 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1591 config/arm/linux-atomic.c.
1592 * config/arm/linux-atomic.c: New.
1594 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1596 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1597 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1598 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1600 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1603 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1606 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1608 PR tree-optimization/38953
1609 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1610 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1611 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1612 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1615 2009-01-24 Paul Brook <paul@codesourcery.com>
1617 * config/arm/neon.md (neon_type): Move to arm.md.
1618 (neon_mov<VSTRUCT>): Add neon_type attribute.
1619 * config/arm/arm.md (neon_type): Move to here.
1620 (conds): Add "unconditioal" and use as default for NEON insns.
1622 2009-01-24 Ben Elliston <bje@au.ibm.com>
1624 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1625 void *' warning from -Wc++-compat.
1626 * Makefile.in (dominance.o-warn): Remove.
1628 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1630 PR tree-optimization/38932
1631 * fold-const.c (fold_unary_ignore_overflow): New.
1632 * tree.h (fold_unary_ignore_overflow): Declare.
1633 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1634 * tree-ssa-sccvn.c (visit_reference_op_load,
1635 simplify_unary_expression): Likewise.
1637 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1639 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1640 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1641 regardless of their type.
1642 * c-common.c (handle_packed_attribute): Don't ignore packed on
1644 * c.opt (Wpacked-bitfield-compat): New warning option.
1645 * stor-layout.c (place_field): Warn if offset of a field changed.
1646 * doc/extend.texi (packed): Mention the ABI change.
1647 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1648 (Warning Options): Add it to the list.
1650 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1652 * c-opts.c (c_common_post_options): Fix a typo in comments.
1654 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1657 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1658 variables to static.
1659 * doc/invoke.texi (-fmerge-all-constants): Update description.
1661 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1664 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1665 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1667 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1669 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1671 (LOCAL_ALIGNMENT): Similarly.
1673 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1674 Joseph Myers <joseph@codesourcery.com>
1676 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1677 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1678 * config/arm/arm-tune.md: Regenerate.
1679 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1682 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1684 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1685 version number to five.
1687 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1690 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1691 * c-common.c (set_underlying_type): Likewise.
1692 (is_typedef_decl ): Likewise
1694 (set_underlying_type): Likewise.
1695 (is_typedef_type): Likewise.
1697 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1700 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1703 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1706 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1707 (LIBGCC_SPEC): Don't define.
1708 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1710 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1712 PR rtl-optimization/38879
1713 * alias.c (base_alias_check): Unaligned access via AND address can
1714 alias all surrounding object types except those with sizes equal
1715 or wider than the size of unaligned access.
1717 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1720 * c-decl.c: (clone_underlying_type): Move this ...
1721 * c-common.c (set_underlying_type): ... here.
1722 Also, make sure the function properly sets TYPE_STUB_DECL() on
1723 the newly created typedef variant type.
1724 (is_typedef_decl ): New entry point.
1725 * tree.h: Added a new member member_types_needing_access_check to
1726 struct tree_decl_non_common.
1727 (set_underlying_type): New entry point.
1728 (is_typedef_type): Likewise.
1730 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1732 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1733 Check whether two instructions have memory references that
1734 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1735 are helper functions for traversing.
1736 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1737 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1738 not to draw dependency edge for instructions with non-conflicting
1741 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1744 * longlong.h: Update copyright years. Use soft-fp license notice.
1745 Sync __clz_tab declaration with glibc.
1747 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1750 * doc/extend.texi (syscall_linkage): New.
1751 (version_id): Modify.
1753 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1754 Richard Guenther <rguenther@suse.de>
1756 PR tree-optimization/38747
1757 PR tree-optimization/38748
1758 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1759 conversion if the base address is an indirect reference and the
1760 aliasing sets could cause issues.
1762 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1764 * common.opt (fgraphite, fgraphite-identity): Add comment for
1765 explaining why these options are not documented.
1767 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1769 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1770 gimple_call_lhs is NULL.
1772 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1775 * emit-rtl.c (adjust_address_1): Make sure memref is never
1778 2009-01-20 Ben Elliston <bje@au.ibm.com>
1780 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1781 const qualifier from arg parameter. Remove unnecessary cast to char *.
1782 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1783 const qualifier from arg 2.
1785 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1787 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1789 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1792 * rtl.h (reinit_regs): New prototype.
1793 * regclass.c: Include ira.h.
1795 * Makefile.in (regclass.o): Add ira.h.
1796 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1798 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1801 * c-common.c (handle_aligned_attribute): Use
1802 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1803 default alignment value.
1805 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1807 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1808 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1810 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1811 __BIGGEST_ALIGNMENT__.
1813 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1815 2009-01-18 Richard Guenther <rguenther@suse.de>
1817 PR tree-optimization/38819
1818 * tree-flow.h (operation_could_trap_helper_p): Declare.
1819 * tree-eh.c (operation_could_trap_helper_p): Export.
1820 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1821 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1822 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1823 are about to insert a possibly trapping instruction and fail
1826 2009-01-18 Andreas Schwab <schwab@suse.de>
1828 * doc/install.texi (Configuration): Remove obsolete paragraph
1829 about use of --with-gnu-ld with --with-gnu-as.
1831 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1833 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1834 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1835 Follow spelling conventions.
1837 2009-01-18 Ben Elliston <bje@au.ibm.com>
1839 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1840 C++ warning about implicit conversion from void * to struct
1842 (bitmap_obstack_free): Likewise for bitmap_element *.
1843 * Makefile.in (bitmap.o-warn): Remove.
1845 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1847 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1849 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1850 Tobias Grosser <tobi.grosser@amd.com>
1852 * graphite.c (graphite_trans_scop_block): Do not block single
1855 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1857 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1858 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1859 test with assertion.
1861 2009-01-16 Richard Guenther <rguenther@suse.de>
1863 PR tree-optimization/38835
1865 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1866 and INT + PTR -> (INT)(PTR p+ INT) folding.
1867 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1869 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1872 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1873 the subreg from a lowpart subreg if it is also casting the value.
1875 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1876 Tobias Grosser <tobi.grosser@amd.com>
1878 * graphite.c (compare_prefix_loops): New.
1879 (build_scop_canonical_schedules): Rewritten.
1880 (graphite_transform_loops): Move build_scop_canonical_schedules
1881 after build_scop_iteration_domain.
1883 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1884 Tobias Grosser <tobi.grosser@amd.com>
1886 * graphite.c (add_conditions_to_domain): Add the loops to
1887 the dimension of the iteration domain. Do copy the domain
1888 only when it exists.
1889 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1890 (add_conditions_to_constraints): New.
1891 (can_generate_code_stmt, can_generate_code): Removed.
1892 (gloog): Do not call can_generate_code.
1893 (graphite_transform_loops): Call add_conditions_to_constraints
1894 after building the iteration domain.
1896 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1898 PR tree-optimization/38789
1899 * tree-ssa-threadedge.c
1900 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1901 __builtin_constant_p.
1903 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1905 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1906 examined before deleting them.
1908 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1910 * function.c (aggregate_value_p): Correctly extract the function
1911 type from CALL_EXPR_FN lookup.
1913 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1915 * config/picochip/picochip.c (picochip_override_options): Revert
1916 CFI asm flag disable commited previously.
1918 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1919 Tobias Grosser <tobi.grosser@amd.com>
1920 Jan Sjodin <jan.sjodin@amd.com>
1922 * graphite.c (scan_tree_for_params): On substractions negate
1923 all the coefficients of the term.
1924 (clast_to_gcc_expression_red): New. Handle reduction expressions
1925 of more than two operands.
1926 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1927 (get_vdef_before_scop): Handle also the case of default definitions.
1929 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1931 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1932 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1933 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1935 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1936 Joey Ye <joey.ye@intel.com>
1939 * cfgexpand.c (expand_stack_alignment): Don't update stack
1940 boundary nor check incoming stack boundary here.
1941 (gimple_expand_cfg): Update stack boundary and check incoming
1942 stack boundary here.
1944 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1946 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1948 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1950 PR rtl-optimization/38245
1951 * calls.c (expand_call): Add stack arguments to
1952 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1953 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1954 in regs and partially in memory or BLKmode arguments.
1955 (emit_library_call_value_1): Add stack arguments to
1956 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1957 ACCUMULATE_OUTGOING_ARGS).
1958 * dce.c: Include tm_p.h.
1959 (find_call_stack_args): New function.
1960 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1962 (mark_insn): Call find_call_stack_args for CALL_Ps.
1963 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1964 forwards. Allocate and free arg_stores bitmap if needed, pass it
1965 down to deletable_insn_p, don't mark stores set in arg_stores
1966 bitmap, clear the bitmap at the beginning of each bb.
1967 * Makefile.in (dce.o): Depend on $(TM_P_H).
1969 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1972 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1973 to make sure the insn is a conditional test (bug 22599). Reformat a
1976 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1979 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1980 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1981 (gloog): Do not call cleanup_tree_cfg.
1982 (graphite_transform_loops): Call cleanup_tree_cfg after all
1983 scops have been code generated.
1985 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
1986 * doc/gty.texi (Invoking the garbage collector): Added new node
1987 and section documenting ggc_collect.
1989 2009-01-14 Richard Guenther <rguenther@suse.de>
1991 PR tree-optimization/38826
1993 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
1994 initialization notes only if we actually emitted a warning.
1995 (intra_create_variable_infos): Add constraints for a result decl
1996 that is passed by hidden reference.
1997 (build_pred_graph): Mark all related variables non-direct on
2000 2009-01-14 Nick Clifton <nickc@redhat.com>
2002 * ira-conflicts.c: Include addresses.h for the definition of
2004 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2005 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2007 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2010 * Makefile.in (ira-lives.o): Add except.h.
2012 * ira-lives.c: Include except.h.
2013 (process_bb_node_lives): Process can_throw_internal.
2015 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2017 PR rtl-optimization/38774
2018 * combine.c (simplify_set): When undoing cc_use change, don't do
2019 PUT_CODE on the newly created comparison, but instead put back the
2022 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2024 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2025 values. Remove duplicate arm8 entry.
2027 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2029 PR tree-optimization/38786
2030 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2031 the SSA_NAME case of expand_scalar_variables_expr.
2032 Set the type of an expression to the type of its assign statement.
2033 (expand_scalar_variables_expr): Also gather the scalar computation
2034 used to index the memory access. Do not pass loop_p.
2035 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2036 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2037 the gimple_stmt_iterator where it inserts new code.
2039 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2040 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2042 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2044 * graphite.h (debug_value): Removed.
2045 * graphite.c (debug_value): Removed.
2047 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2049 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2050 ldrd/strd with two 32-bit instructions.
2052 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2054 * config/arm/arm.c (struct processors): Pass for speed down into
2055 cost helper functions.
2056 (const_ok_for_op): Handle COMPARE and inequality nodes.
2057 (arm_rtx_costs_1): Rewrite.
2058 (arm_size_rtx_costs): Update prototype.
2059 (arm_rtx_costs): Pass speed down to helper functions.
2060 (arm_slowmul_rtx_costs): Rework cost calculations.
2061 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2062 (arm_9e_rtx_costs): Likewise.
2064 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2066 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2067 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2068 (alpha_legitimize_address): Do not split local symbols wider than
2069 UNITS_PER_WORD into HIGH/LO_SUM parts.
2071 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2074 * gcc.c (process_command): Replace call to execvp with calls
2075 to pex_one and exit.
2077 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2080 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2081 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2082 variant for devices with 3-byte PC.
2083 (__tablejump_elpm__) : New.
2085 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2088 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2089 offsetof member-designator, handle it as `[0].'.
2091 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2093 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2094 function when not using named sections on targets with named sections
2095 if branch distance is less than 262132.
2097 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2099 * combine.c (combine_instructions): Recompute
2100 optimize_this_for_speed_p for each BB in the main combine loop.
2102 2009-01-12 Tomas Bily <tbily@suse.cz>
2105 * tree-loop-distribution.c (prop_phis): New function.
2106 (generate_builtin): Call prop_phis.
2107 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2109 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2111 PR tree-optimization/38807
2112 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2113 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2115 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2117 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2118 subreg of op0 to the original op0.
2120 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2122 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2124 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2127 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2128 starting with digits.
2130 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2133 * config/arm/arm.c (arm_is_long_call_p): Don't call
2134 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2136 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2138 * regrename.c (regrename_optimize): Fix dumping.
2139 (find_oldest_value_reg): Preserve REG_POINTER.
2140 (copy_hardreg_forward_1): Likewise.
2142 2009-01-09 Diego Novillo <dnovillo@google.com>
2144 * gimple.h (struct gimple_statement_base) <uid>: Document
2145 the restrictions on its use.
2147 (gimple_set_uid): Tidy.
2149 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2151 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2152 zero guard even if align_bytes != 0 and count is smaller than
2155 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2157 PR rtl-optimization/38495
2158 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2159 (add_range_and_copies_from_move_list): Print all added ranges.
2160 Add ranges to memory optimized destination.
2162 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2166 * config/i386/i386.c (override_options): Reject
2167 -mstringop-strategy=rep_8byte with -m32.
2168 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2169 to 1. Do count comparison against epilogue_size_needed at compile
2170 time even when count_exp was constant forced into register. For
2171 size_needed don't jump to epilogue, instead just avoid aligning
2172 and invoke the body algorithm. If need_zero_guard, add zero guard
2173 even if count is non-zero, but smaller than size_needed + number of
2174 bytes that could be stored for alignment.
2175 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2176 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2177 but smaller than size_needed + number of bytes that could be stored
2178 for alignment. Compare size_needed with epilogue_size_needed instead
2179 of desired_align - align, don't adjust size_needed, pass
2180 epilogue_size_needed to the epilogue expanders.
2183 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2185 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2187 * pa.c (last_address): Change to unsigned.
2188 (update_total_code_bytes): Change argument to unsigned. Don't
2189 check if insn addresses are set.
2190 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2191 addresses are not set.
2192 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2194 2009-01-09 Nick Clifton <nickc@redhat.com>
2196 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2197 DECL_DECLARED_INLINE_P.
2199 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2202 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2203 GET_MODE (op0) in operand_subword_force calls.
2206 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2207 fold_convert arg0 operands to TREE_TYPE (op0) first.
2209 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2211 * params.def (ira-max-conflict-table-size): Decrease default value
2214 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2216 PR tree-optimization/37031
2217 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2219 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2220 allocate it using gc instead of heap, use VEC_quick_push instead of
2222 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2223 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2224 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2225 allocated vector from heap allocated.
2226 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2227 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2228 vector only after perfect_loop_nest_depth call.
2230 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2231 Jan Sjodin <jan.sjodin@amd.com>
2233 PR tree-optimization/38559
2234 * graphite.c (debug_value, copy_constraint,
2235 swap_constraint_variables, scale_constraint_variable, ): New.
2236 (get_lower_bound, get_upper_bound): Removed.
2237 (graphite_trans_bb_strip_mine): Clean up this code that works
2238 only for constant number of iterations. Fully copy upper and
2239 lower bound constraints, not only the constant part of them.
2240 * graphite.h (debug_value): Declared.
2242 2009-01-08 Ira Rosen <irar@il.ibm.com>
2244 PR tree-optimization/37194
2245 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2246 Don't add the cost of cost model guard in prologue to scalar
2247 outside cost in case of known number of iterations.
2249 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2250 Alan Modra <amodra@bigpond.net.au>
2252 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2253 non-word-aligned REG+CONST addressing.
2255 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2258 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2259 free_after_compilation when outputting a thunk.
2260 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2261 Do not call free_after_compilation here.
2263 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2265 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2266 (ix86_valid_target_attribute_inner_p): Ditto.
2268 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2270 PR tree-optimization/38492
2271 PR tree-optimization/38498
2272 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2273 * tree-chrec.h (scev_is_linear_expression): Declared.
2274 * graphite.c (graphite_cannot_represent_loop_niter): New.
2275 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2276 (graphite_loop_normal_form): Use gcc_assert.
2277 (scan_tree_for_params): Use CASE_CONVERT.
2278 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2279 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2280 Use gcc_assert. Discard scops that contain unhandled cases.
2281 (build_scop_conditions): Return a boolean status for unhandled cases.
2282 (strip_mine_profitable_p): Print the loop number, not its depth.
2283 (is_interchange_valid): Pass the depth of the loop nest, don't
2284 recompute it wrongly.
2285 (graphite_trans_bb_block): Same.
2286 (graphite_trans_bb_block): Print tentative of loop blocking.
2287 (graphite_trans_scop_block): Do not print that the loop has been
2289 (graphite_transform_loops): Do not handle scops that contain condition
2292 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2294 AVX Programming Reference (December, 2008)
2295 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2296 (_mm256_stream_pd): Likewise.
2297 (_mm256_stream_ps): Likewise.
2299 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2300 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2301 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2302 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2303 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2304 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2305 (ix86_expand_special_args_builtin): Likewise.
2307 * config/i386/sse.md (AVXMODEDI): New.
2308 (avx_movnt<mode>): Likewise.
2309 (avx_movnt<mode>): Likewise.
2310 (<sse>_movnt<mode>): Remove AVX support.
2311 (sse2_movntv2di): Likewise.
2313 2009-01-07 Richard Guenther <rguenther@suse.de>
2316 * fold-const.c (extract_muldiv): Remove obsolete comment.
2317 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2318 to PLUS_EXPR canonicalization for the canonicalization.
2320 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2322 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2323 hosted cross-compilers generating less efficient code.
2325 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2327 * function.h (rtl_data): Add a dbr_scheduled_p field.
2328 * reorg.c (dbr_schedule): Set it.
2329 (gate_handle_delay_slots): Check it.
2330 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2331 (mips_reorg): Check flag_delayed_branch instead of
2332 mips_base_delayed_branch.
2333 (mips_override_options): Don't set mips_base_delayed_branch
2334 or flag_delayed_branch.
2336 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2338 PR rtl-optimization/38426.
2339 * ira.c (ira): Set current_function_is_leaf earlier.
2341 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2343 PR rtl-optimization/38722
2344 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2345 too early, only set a flag and modify after last possible
2348 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2351 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2352 * real.c (decimal_single_format): Correct values of emin and emax.
2353 (decimal_double_format): Ditto.
2354 (decimal_quad_format): Ditto.
2355 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2356 computation of DECnn_MIN and DECnn_MAX for corrected values of
2357 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2358 __DECnn_MIN__, and adjust its computation for the corrected value
2361 2009-01-06 Jan Hubicka <jh@suse.cz>
2364 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2366 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2368 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2369 Add Robert Clark to the list of testers.
2371 2009-01-06 Jan Hubicka <jh@suse.cz>
2372 Kai Tietz <kai.tietz@onevision.com>
2374 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2375 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2377 2009-01-06 Jan Hubicka <jh@suse.cz>
2378 Kai Tietz <kai.tietz@onevision.com>
2380 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2382 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2383 (ix86_nsaved_regs): Count only general purpose regs.
2384 (ix86_nsaved_sseregs): New.
2385 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2386 to 16 for w64; compute padding and size of sse reg save area.
2387 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2388 general purpose regs.
2389 (ix86_emit_save_sse_regs_using_mov): New.
2390 (ix86_expand_prologue): Save SSE regs if needed.
2391 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2392 (ix86_emit_restore_sse_regs_using_mov): New.
2393 (ix86_expand_epilogue): Save SSE regs if needed.
2395 2009-01-06 Jan Hubicka <jh@suse.cz>
2396 Kai Tietz <kai.tietz@onevision.com>
2398 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2399 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2400 functions when accumulate outgoing args is off.
2402 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2405 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2406 before using pseudos_have_intersected_live_ranges_p.
2408 * ira-int.h (ira_assert): Always define.
2410 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2412 AVX Programming Reference (December, 2008)
2413 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2414 (_mm256_permute2_pd): Likewise.
2415 (_mm_permute2_ps): Likewise.
2416 (_mm256_permute2_ps): Likewise.
2417 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2418 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2420 * config/i386/i386.c (ix86_builtins): Remove
2421 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2422 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2423 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2424 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2425 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2426 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2427 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2428 __builtin_ia32_vpermil2ps256.
2429 (ix86_init_mmx_sse_builtins): Updated.
2430 (ix86_expand_args_builtin): Likewise.
2432 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2434 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2435 long absolute calls when generating PA 2.0 code.
2437 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2439 PR rtl-optimization/38583
2440 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2442 * params.def (ira-max-conflict-table-size): New.
2444 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2446 * ira.h (ira_conflicts_p): New external definition.
2448 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2449 table. Report this. Return result of building.
2450 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2451 building conflict table.
2453 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2454 (ira_color): Use ira_conflicts_p.
2456 * global.c: Include ira.h.
2457 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2460 * Makefile.in (global.o): Add ira.h.
2462 * ira-build.c (mark_all_loops_for_removal,
2463 propagate_some_info_from_allocno): New.
2464 (remove_unnecessary_allocnos): Call
2465 propagate_some_info_from_allocno.
2466 (remove_low_level_allocnos): New.
2467 (remove_unnecessary_regions): Add parameter. Call
2468 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2469 parameter to remove_unnecessary_regions.
2470 (ira_build): Remove all regions but root if the conflict table was
2471 not built. Update conflict hard regs for allocnos crossing calls.
2473 * ira.c (ira_conflicts_p): New global.
2474 (ira): Define and use ira_conflicts_p.
2476 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2477 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2478 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2480 2009-01-06 Ben Elliston <bje@au.ibm.com>
2482 * gengtype-lex.l (YY_NO_INPUT): Define.
2484 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2487 * c-common.c (handle_vector_size_attribute): Also reject
2490 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2492 PR tree-optimization/38492
2493 * graphite.c (rename_map_elt, debug_rename_elt,
2494 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2495 rename_map_elt_info, eq_rename_map_elts,
2496 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2497 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2498 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2499 (sese_build_livein_liveouts): New.
2500 (new_sese, free_sese): New.
2501 (new_scop): Call new_sese.
2502 (free_scop): Call free_sese.
2503 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2504 (register_old_new_names): Renamed register_old_and_new_names.
2505 (register_scop_liveout_renames, add_loop_exit_phis,
2506 insert_loop_close_phis, struct igp,
2507 default_liveout_before_guard, add_guard_exit_phis,
2508 insert_guard_phis, copy_renames): New.
2509 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2510 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2511 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2512 (scop_adjust_phis_for_liveouts): New.
2513 (gloog): Call scop_adjust_phis_for_liveouts.
2515 * graphite.h (struct sese): Documented. Added fields liveout,
2517 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2518 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2519 (struct scop): Added field liveout_renames.
2520 (SCOP_LIVEOUT_RENAMES): New.
2522 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2524 PR tree-optimization/38510
2525 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2526 (translate_clast): Call recompute_all_dominators before
2528 (gloog): Call recompute_all_dominators before graphite_verify.
2530 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2531 Jan Sjodin <jan.sjodin@amd.com>
2533 PR tree-optimization/38500
2534 * graphite.c (create_sese_edges): Call fix_loop_structure after
2537 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2539 * config.gcc: Add m32r*-*-rtems*.
2540 * config/m32r/rtems.h: New file.
2542 2009-01-05 Ben Elliston <bje@au.ibm.com>
2544 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2545 (.po.pox): Likewise.
2546 (po/gcc.pot): Likewise.
2548 2009-01-04 David S. Miller <davem@davemloft.net>
2550 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2551 (STARTING_FRAME_OFFSET): Always set to zero.
2553 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2555 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2556 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2557 fixed-point types, and vectors of the same.
2559 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2561 * config/mips/sync.md (*mb_barrier): Rename to...
2562 (*memory_barrier): ...this.
2564 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2566 * doc/extend.texi (Function Attributes): Move @cindex after @item
2567 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2568 and put in alphabetical order. Fix 'target' name and put in order.
2569 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2572 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2574 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2575 (memory_barrier): Expand as unspec instead of unspec_volatile.
2576 Remove mem:BLK from insn operands. Use Pmode scratch register.
2577 (*memory_barrier): Define as unspec instead of unspec_volatile.
2578 Use (match_dup 0) as input operand.
2580 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2581 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2582 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2583 scratch register. Remove operand 1.
2584 (*stbar): Define as unspec instead of unspec_volatile.
2585 Use (match_dup 0) as input operand, remove (const_int 8).
2586 (*membar): Define as unspec instead of unspec_volatile.
2587 Use (match_dup 0) as input operand, remove input operand 2.
2589 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2590 (memory_barrier): Expand as unspec instead of unspec_volatile.
2591 Remove mem:BLK from insn operands. Use Pmode scratch register.
2592 (*memory_barrier): Define as unspec instead of unspec_volatile.
2593 Use (match_dup 0) as input operand.
2595 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2596 Remove mem:BLK from insn operands. Use Pmode scratch register.
2597 Set volatile flag on operand 0.
2598 (*memory_barrier): New insn pattern.
2600 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2602 (*memory_barrier): Use (match_dup 0) as input operand.
2604 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2605 Remove mem:BLK from insn operands. Use Pmode scratch register.
2606 Set volatile flag on operand 0.
2607 (*mb_internal): New insn pattern.
2609 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2611 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2614 * function.c (struct temp_slot): Move to the section of the file
2615 that deals with temp slots. Remove field 'address'.
2616 (temp_slot_address_table): New hash table of address -> temp slot.
2617 (struct temp_slot_address_entry): New struct, items for the table.
2618 (temp_slot_address_compute_hash, temp_slot_address_hash,
2619 temp_slot_address_eq, insert_temp_slot_address): Support functions
2621 (find_temp_slot_from_address): Rewrite to use the new hash table.
2622 (remove_unused_temp_slot_addresses): Remove addresses of temp
2623 slots that have been made available.
2624 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2625 worker function for remove_unused_temp_slot_addresses.
2626 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2627 Add the temp slot address to the address -> temp slot map.
2628 (update_temp_slot_address): Update via insert_temp_slot_address.
2629 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2630 (pop_temp_slots): Likewise.
2631 (init_temp_slots): Allocate the address -> temp slot map, or empty
2632 the map if it is already allocated.
2633 (prepare_function_start): Initialize temp slot processing.
2635 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2638 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2639 Calculate the size of all stack vars assuming no packing of stack
2640 vars will happen, replacing a quadratic algorithm with a linear one.
2642 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2645 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2648 2009-01-03 Diego Novillo <dnovillo@google.com>
2650 * doc/contrib.texi: Update contributions.
2652 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2655 * builtins.c (fold_builtin_memory_op): Give up if either operand
2656 is volatile. Set srctype or desttype to non-qualified version
2660 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2663 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2665 PR rtl-optimization/35805
2666 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2667 problem if fast dce is able to remove any instructions.
2668 * dce.c (dce_process_block): Fix dump message.
2670 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2673 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2675 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2678 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2679 * tree-pretty-print.c (op_code_prio): New function.
2680 (op_prio): No longer static. Use op_code_prio.
2681 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2682 Use op_prio and op_code_prio to determine if () should be
2683 printed around operand(s) or not.
2685 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2686 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2687 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2688 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2689 pp_character instead of pp_string for single letter printing.
2691 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2693 * doc/extend.texi: Fix '#pragma GCC option' typo.
2695 2009-01-02 Richard Guenther <rguenther@suse.de>
2697 * doc/install.texi (--enable-checking): Mention different
2699 (--enable-stage1-checking): Document.
2701 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2704 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2705 case to be an error.
2707 2009-01-02 Ben Elliston <bje@au.ibm.com>
2709 * config/fp-bit.h (pack_d): Constify argument.
2710 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2711 (isnan): Constify argument.
2715 (_fpadd_parts): Constify return type.
2716 (_fpmul_parts): Likewise.
2717 (_fpdiv_parts): Likewise.
2719 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2722 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2723 warn about overwriting initializer with side-effects or
2724 -Woverride-init if !IMPLICIT.
2725 (output_init_element): Likewise. Pass IMPLICIT down to
2727 (process_init_element): Add IMPLICIT argument. Pass it down
2728 to output_init_element.
2729 (push_init_element, pop_init_level, set_designator): Adjust
2730 process_init_element callers.
2731 (set_nonincremental_init, set_nonincremental_init_from_string):
2732 Adjust add_pending_init callers.
2733 (output_pending_init_elements): Adjust output_init_element callers.
2734 * c-tree.h (process_init_element): Adjust prototype.
2735 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2736 process_init_element callers.