1 2009-03-06 Jakub Jelinek <jakub@redhat.com>
4 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
5 take locus from its DECL_SOURCE_LOCATION instead of input_location.
7 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
9 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
12 2009-03-05 Jakub Jelinek <jakub@redhat.com>
15 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
16 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
18 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
20 * config/i386/i386.md (R8_REG, R9_REG): New constants.
21 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
22 constants instead of magic numbers.
23 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
25 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
26 (x86_64_ms_abi_int_parameter_registers): Ditto.
27 (x86_64_int_return_registers): Ditto.
28 (ix86_expand_call): Ditto for clobbered_registers array.
29 (ix86_hard_regno_mode_ok): Ditto.
30 (x86_extended_QIreg_mentioned_p): Ditto.
32 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
34 PR tree-optimization/39349
35 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
37 * combine.c (gen_lowpart_for_combine): Use omode when generating
40 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
42 PR rtl-optimization/39235
43 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
45 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
47 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
49 2009-03-04 Richard Guenther <rguenther@suse.de>
51 PR tree-optimization/39362
52 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
53 that occur in abnormal PHIs should be varying.
55 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
57 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
59 (simple_iv): Take loop as an argument instead of statement.
60 * tree-scalar-evolution.h (simple_iv): Declaration changed.
61 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
63 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
65 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
66 * matrix-reorg.c (analyze_transpose): Ditto.
67 * tree-data-ref.c (dr_analyze_innermost): Ditto.
68 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
69 * tree-predcom.c (ref_at_iteration): Ditto.
70 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
72 2009-03-04 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/39358
75 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
76 escaped_id and callused_id.
77 (solve_graph): Likewise.
79 2009-03-04 Richard Guenther <rguenther@suse.de>
81 PR tree-optimization/39339
82 * tree-sra.c (try_instantiate_multiple_fields): Make it
83 no longer ICE on the above.
85 2009-03-03 Joseph Myers <joseph@codesourcery.com>
87 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
88 that fits within Pmode.
90 2009-03-03 Steve Ellcey <sje@cup.hp.com>
93 * tm.texi (LIBCALL_VALUE): Update description.
95 2009-03-03 Steve Ellcey <sje@cup.hp.com>
98 * doc/extend.texi (section): Update description.
100 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
103 * tree-inline.c (remapped_type): New.
104 (can_be_nonlocal): Call remapped_type instead of remap_type.
106 2009-03-03 Jakub Jelinek <jakub@redhat.com>
109 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
110 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
112 2009-03-03 Richard Guenther <rguenther@suse.de>
115 * tree.c (tree_nonartificial_location): New function.
116 * tree.h (tree_nonartificial_location): Declare.
117 * builtins.c (expand_builtin_memory_chk): Provide location
118 of the call location for artificial function pieces.
119 (maybe_emit_chk_warning): Likewise.
120 (maybe_emit_sprintf_chk_warning): Likewise.
121 (maybe_emit_free_warning): Likewise.
122 * expr.c (expand_expr_real_1): Likewise.
124 2009-03-03 Jakub Jelinek <jakub@redhat.com>
126 PR tree-optimization/39343
127 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
128 COMPONENT_REF t has ARRAY_TYPE.
130 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
133 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
134 when the type precision of the induction variable should be
135 larger than the type precision of nit.
136 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
137 * graphite.c (graphite_loop_normal_form): Same.
138 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
140 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
142 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
143 (*call_1_rex64_ms_sysv): Use named constants instead of magic
144 numbers to describe clobbered registers.
145 (*call_value_0_rex64_ms_sysv): Ditto.
146 * config/i386/mmx.md (mmx_emms): Ditto.
149 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
151 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
154 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
156 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
157 (spu_section_type_flags): New function.
159 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
161 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
162 reg_class_contents of FLOAT_REGS into a temporary.
164 2009-03-02 Richard Guenther <rguenther@suse.de>
165 Ira Rosen <irar@il.ibm.com>
167 PR tree-optimization/39318
168 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
169 information to the vectorized statement.
171 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
173 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
174 variable. Use defined names instead of magic constants for REX SSE
177 2009-03-01 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/39331
180 * omp-low.c (lower_send_shared_vars): Do not receive new
181 values for the reference of DECL_BY_REFERENCE parms or results.
183 2009-03-01 Jan Hubicka <jh@suse.cz>
186 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
187 BLOCK_NONLOCALIZED_VAR): New macros.
188 (tree_block): Add nonlocalized_vars.
189 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
190 gen_decl_die): Add origin argument. Allow generation of die with
192 (gen_member_die, gen_type_die_with_usage, force_decl_die,
193 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
195 (gen_block_die): Fix checking for unused blocks.
196 (process_scope_var): Break out from .... ; work with origins only.
197 (decls_for_scope) ... here; process nonlocalized list.
198 (dwarf2out_ignore_block): Look for nonlocalized vars.
199 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
201 (dump_scope_block): Dump them.
202 * tree-inline.c (remap_decls): Handle nonlocalized vars.
203 (remap_block): Likewise.
204 (can_be_nonlocal): New predicate.
205 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
207 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
209 * configure: Regenerate.
211 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
213 * optc-gen.awk: No need to duplicate option flags twice.
214 Reuse help texts for duplicate options which do not have
217 * gcc.c (display_help): Document --version.
219 * gcc.c (main): If print_help_list and verbose_flag, ensure
220 driver output comes before subprocess output.
222 * optc-gen.awk: Assign all remaining fields to help string,
223 space-separated, for multi-line help in *.opt.
225 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
226 -Wno-pedantic-ms-format is for MinGW targets only.
228 * doc/options.texi (Option file format): Fix bad indentation,
229 restoring dropped sentence.
231 2009-02-28 Jan Hubicka <jh@suse.cz>
233 * tree-inline.c (tree_function_versioning): Output debug info.
235 2009-02-28 Jan Hubicka <jh@suse.cz>
238 * tree-inline.c (setup_one_parameter): Do not copy propagate
239 arguments when not optimizing.
241 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
244 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
245 (avx_addsubv4df3): Likewise.
246 (*avx_addsubv4sf3): Likewise.
247 (sse3_addsubv4sf3): Likewise.
248 (*avx_addsubv2df3): Likewise.
249 (sse3_addsubv2df3): Likewise.
250 (avx_unpckhps256): Correct item selectors.
251 (avx_unpcklps256): Likewise.
252 (avx_unpckhpd256): Likewise.
253 (avx_unpcklpd256): Likewise.
255 2009-02-28 Jan Hubicka <jh@suse.cz>
257 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
259 (copy_arguments_for_versioning): If var is declared don't declare it.
260 (tree_function_versioning): First setup substitutions and then copy
263 2009-02-27 Jan Hubicka <jh@suse.cz>
266 * cgraph.h (varpool_output_debug_info): Remove.
267 * cgraphunit.c (varpool_output_debug_info): Remove.
268 * dwarf2out.c (deferred_locations_struct): New struct
269 (deferred_locations): New type.
270 (deferred_locations_list): New static var.
271 (deffer_location): New function.
272 (gen_variable_die): Use it.
273 (decls_for_scope): Output info on local static vars.
274 (dwarf2out_finish): Process deferred locations.
275 * varpool.c (varpool_output_debug_info): Remove.
277 2009-02-27 Jan Hubicka <jh@suse.cz>
280 * tree.h (TREE_PROTECTED): Fix comment.
281 (BLOCK_HANDLER_BLOCK): Remove.
282 (struct tree_block): Remove handler_block add body_block.
283 (inlined_function_outer_scope_p): New.
284 (is_body_block): Remove.
285 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
286 * dwarf2out.c (is_inlined_entry_point): Remove.
287 (add_high_low_attributes): Use inlined_function_outer_scope_p.
288 (gen_block_die): Use is_inlined_entry_point check. Remove body block
290 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
291 * gimplify.c (gimplify_expr): Gimplify body blocks.
292 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
293 block with multiple subblocks.
294 (dump_scope_block): Prettier output; dump more flags and info.
295 (dump_scope_blocks): New.
296 (remove_unused_locals): Use dump_scope_blocks.
297 * tree-flow.h (dump_scope_blocks): Declare.
298 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
299 * stmt.c (is_body_block): Remove.
300 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
301 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
303 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
306 * graphite.c (graphite_loop_normal_form): Do not call
307 number_of_iterations_exit from a gcc_assert.
309 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
311 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
312 jumps if COND is NULL.
313 (find_cond_jump): New function.
314 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
315 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
317 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
319 * config/alpha/alpha.h (alpha_expand_mov): Return false if
320 force_const_mem returns NULL_RTX.
322 2009-02-26 Jan Hubicka <jh@suse.cz>
325 * cgraph.h (varpool_output_debug_info): Remove.
326 * cgraphunit.c (varpool_output_debug_info): Remove.
327 * dwarf2out.c (deferred_locations_struct): New struct
328 (deferred_locations): New type.
329 (deferred_locations_list): New static var.
330 (deffer_location): New function.
331 (gen_variable_die): Use it.
332 (decls_for_scope): Output info on local static vars.
333 (dwarf2out_finish): Process deferred locations.
334 * varpool.c (varpool_output_debug_info): Remove.
336 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
338 PR rtl-optimization/39241
339 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
340 to subreg_offset_representable_p.
342 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
344 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
345 execute function prototype. Get f and nregs from max_reg_num
346 and get_insns. Remove the first backward pass as it's dead,
347 guard the forward pass by flag_expensive_optimizations.
348 (rest_of_handle_regmove): Delete.
349 (pass_regmove): Replace it with regmove_optimize.
351 2009-02-25 Martin Jambor <mjambor@suse.cz>
353 PR tree-optimization/39259
354 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
355 calls_alloca function flags.
356 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
359 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
361 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
362 flags_set_1_rtx, flags_set_1_set): Delete.
363 (regmove_optimize): Do not call mark_flags_life_zones.
365 2009-02-24 Julian Brown <julian@codesourcery.com>
368 * config/arm/arm.c (require_pic_register): Only set
369 cfun->machine->pic_reg once per function.
371 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
373 * doc/invoke.texi (Link Options): Document an easier way to pass
374 options that take arguments to the GNU linker using -Xlinker and -Wl.
376 2009-02-24 Steve Ellcey <sje@cup.hp.com>
379 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
381 2009-02-24 Richard Guenther <rguenther@suse.de>
384 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
386 2009-02-24 Richard Guenther <rguenther@suse.de>
387 Zdenek Dvorak <ook@ucw.cz>
389 PR tree-optimization/39233
390 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
391 from converting them to a generic type.
393 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
395 PR tree-optimization/39260
396 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
397 contains a condition with a real type.
398 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
400 2009-02-23 Jason Merrill <jason@redhat.com>
403 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
404 narrowing_initializer_constant_valid_p.
405 (narrowing_initializer_constant_valid_p): Don't return
406 null_pointer_node for adding a pointer to itself.
408 2009-02-23 Jan Hubicka <jh@suse.cz>
411 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
414 2009-02-23 Jan Hubicka <jh@suse.cz>
416 PR tree-optimization/37709
417 * tree.c (block_ultimate_origin): Move here from dwarf2out.
418 * tree.h (block_ultimate_origin): Declare.
419 * dwarf2out.c (block_ultimate_origin): Move to tree.c
420 * tree-ssa-live.c (remove_unused_scope_block_p):
421 Eliminate blocks containig no instructions nor live variables nor
423 (dump_scope_block): New function.
424 (remove_unused_locals): Enable removal of dead blocks by default;
425 enable dumping at TDF_DETAILS.
427 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
429 * config/i386/i386.c (classify_argument): Don't allow COImode
431 (function_arg_advance_32): Don't allow OImode.
432 (function_arg_32): Likewise.
433 (function_value_32): Likewise.
434 (return_in_memory_32): Likewise.
435 (function_arg_64): Remove OImode comment.
437 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
440 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
441 ix86_expand_vector_set for V4DImode in 64bit mode only.
442 (ix86_expand_vector_init_one_var): Likewise.
444 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
446 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
448 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
451 * loop-iv.c: Revert last change.
452 * emit-rtl.c: Likewise.
454 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
457 * config/i386/i386.c (type_natural_mode): Remove an extra
458 space in the warning message.
459 (function_value_32): Handle 32-byte vector modes.
460 (return_in_memory_32): Likewise.
462 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
464 * loop-iv.c (truncate_value): New function.
465 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
467 (lowpart_subreg): Move to...
468 * emit-rtl.c: ...here.
470 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
472 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
473 accidental and undocumented change at revision 140860.
475 2009-02-21 Joseph Myers <joseph@codesourcery.com>
477 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
478 take gimple_seq * arguments.
479 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
480 types_compatible_p langhook.
482 2009-02-20 Mark Mitchell <mark@codesourcery.com>
483 Joseph Myers <joseph@codesourcery.com>
485 * config/arm/arm.c (arm_builtin_va_list): New function.
486 (arm_expand_builtin_va_start): Likewise.
487 (arm_gimplify_va_arg_expr): Likewise.
488 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
489 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
490 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
491 (va_list_type): New variable.
492 (arm_mangle_type): Mangle va_list_type appropriately.
494 2009-02-20 Jakub Jelinek <jakub@redhat.com>
497 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
498 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
499 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
500 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
501 parameter to 1000 for -O1 by default.
502 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
504 * loop-invariant.c: Include params.h.
505 (move_loop_invariants): Don't call move_single_loop_invariants on
508 2009-02-20 Jaka Mocnik <jaka@xlab.si>
510 * calls.c (emit_library_call_value_1): Use slot_offset instead of
511 offset when calculating bounds for indexing stack_usage_map. Fixes
512 a buffer overflow with certain target setups.
514 2009-02-20 Jakub Jelinek <jakub@redhat.com>
517 * calls.c (expand_call): Clear try_tail_call if caller and callee
518 disagree in promotion of function return value.
520 2009-02-19 Jakub Jelinek <jakub@redhat.com>
523 * c-common.c (c_determine_visibility): If visibility changed and
524 DECL_RTL has been already set, call make_decl_rtl to update symbol
527 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
530 * varasm.c (assemble_variable): Don't check DECL_NAME when
531 globalizing a variable.
533 2009-02-19 Joseph Myers <joseph@codesourcery.com>
536 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
537 expression before any __builtin_trap call.
538 * c-typeck.c (build_function_call): Convert and check function
539 arguments before generating a call to a trap. Evaluate the
540 function arguments before the trap.
542 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
545 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
546 (UNSPEC_FXAM_MEM): New unspec.
547 (fxam<mode>2_i387_with_temp): New insn and split pattern.
548 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
549 memory using fxam<mode>2_i387_with_temp to remove excess precision.
551 2009-02-19 Richard Guenther <rguenther@suse.de>
553 PR tree-optimization/39207
554 PR tree-optimization/39074
555 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
556 storedanything_tree): New.
557 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
558 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
559 (build_succ_graph): Add edges from STOREDANYTHING to all
561 (init_base_vars): Initialize STOREDANYTHING.
562 (compute_points_to_sets): Free substitution info after
563 building the succ graph.
564 (ipa_pta_execute): Likewise.
566 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
568 (do_ds_constraint): Do not add to special var or non-pointer
570 (type_could_have_pointers): Split out from ...
571 (could_have_pointers): ... here. For arrays use the element type.
572 (create_variable_info_for): Initialize may_have_pointers.
573 (new_var_info): Likewise.
574 (handle_lhs_call): Make the HEAP variable unknown-sized.
575 (intra_create_variable_infos): Use a type with pointers for
576 PARM_NOALIAS, make it unknown-sized.
578 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
581 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
583 2009-02-18 Jason Merrill <jason@redhat.com>
586 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
587 value if DECL_EXTERNAL.
588 * tree-sra.c (sra_walk_gimple_assign): Likewise.
589 * target.h (gcc_target::binds_local_p): Clarify "module".
590 * tree.h (TREE_PUBLIC): Clarify "module".
592 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
595 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
596 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
598 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
601 * c.opt (Wabi): Support C and ObjC.
604 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
606 * config/i386/i386.c (classify_argument): Warn once about the ABI
607 change when passing union with long double.
609 * doc/invoke.texi: Update -Wabi for warning psABI changes.
611 2009-02-18 Joseph Myers <joseph@codesourcery.com>
614 * c-parser.c (c_parser_compound_statement): Always enter and leave
617 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
620 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
622 2009-02-18 Jakub Jelinek <jakub@redhat.com>
624 PR tree-optimization/36922
625 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
626 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
629 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
631 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
634 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
636 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
638 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
640 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
643 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
644 Richard Sandiford <rdsandiford@googlemail.com>
646 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
647 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
648 (loongson_biadd): ...this.
650 2009-02-17 Richard Guenther <rguenther@suse.de>
652 PR tree-optimization/39202
653 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
654 a var make sure to follow existing collapses.
656 2009-02-17 Richard Guenther <rguenther@suse.de>
659 * langhooks.c (lhd_print_error_function): Check for NULL block.
661 2009-02-17 Richard Guenther <rguenther@suse.de>
663 PR tree-optimization/39204
664 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
667 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
669 * config/soft-fp/double.h: Update from glibc CVS.
671 2009-02-17 Richard Guenther <rguenther@suse.de>
673 PR tree-optimization/39207
674 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
675 strict-aliasing warnings for pointers pointing to NULL.
677 2009-02-16 Joseph Myers <joseph@codesourcery.com>
680 * c-parser.c (c_parser_braced_init): Call pop_init_level when
681 skipping until next close brace.
683 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
686 * config/i386/i386.c (ix86_expand_push): Set memory alignment
687 to function argument boundary.
689 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
691 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
692 in the lea_add. Reload eventually constraints it properly.
693 * config/picochip/constraints.md : Remove the target constraint
694 "b", since it is not needed anymore.
696 2009-02-16 Jakub Jelinek <jakub@redhat.com>
698 * gthr-dce.h: Uglify function parameter and local variable names.
699 * gthr-gnat.h: Likewise.
700 * gthr-mipssde.h: Likewise.
701 * gthr-nks.h: Likewise.
702 * gthr-posix95.h: Likewise.
703 * gthr-posix.h: Likewise.
704 * gthr-rtems.h: Likewise.
705 * gthr-single.h: Likewise.
706 * gthr-solaris.h: Likewise.
707 * gthr-tpf.h: Likewise.
708 * gthr-vxworks.h: Likewise.
709 * gthr-win32.h: Likewise.
711 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
714 * config/i386/i386.md: Restrict the new peephole2 to move
715 between MMX/SSE registers.
717 2009-02-15 Richard Guenther <rguenther@suse.de>
720 2009-02-13 Richard Guenther <rguenther@suse.de>
722 * configure.ac: Enable LFS.
723 * configure: Re-generate.
724 * config.in: Likewise.
726 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
728 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
729 spu_srqwbyte, spu_srqwbytebc): Define.
730 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
731 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
732 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
733 "shrqby_<mode>"): New insn-and-split patterns.
734 * config/spu/spu.c (expand_builtin_args): Determine and return
735 number of operands using spu_builtin_description data.
736 (spu_expand_builtin_1): Use it.
738 2009-02-13 Steve Ellcey <sje@cup.hp.com>
741 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
744 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
747 * config/i386/i386.c (override_options): Correct warning
748 messages for -malign-loops, -malign-jumps and -malign-functions.
750 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
753 * config/i386/i386.md: Restrict the new peephole2 to move
754 between the general purpose registers.
756 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
759 * config/i386/i386.c (type_natural_mode): Add a new argument.
760 Return the original mode and warn ABI change if vector size is 32byte.
761 (function_arg_advance): Updated.
762 (function_arg): Likewise.
763 (ix86_function_value): Likewise.
764 (ix86_return_in_memory): Likewise.
765 (ix86_sol10_return_in_memory): Likewise.
766 (ix86_gimplify_va_arg): Likewise.
767 (function_arg_32): Don't warn ABX ABI change here.
768 (function_arg_64): Likewise.
770 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
772 * loop-iv.c (implies_p): In the final case, test that operands 0
773 of the two comparisons match.
775 * config/bfin/bfin.c (find_prev_insn_start): New function.
776 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
777 (find_next_insn_start): Move.
779 2009-02-13 Richard Guenther <rguenther@suse.de>
781 * configure.ac: Enable LFS.
782 * configure: Re-generate.
783 * config.in: Likewise.
785 2009-02-13 Joseph Myers <joseph@codesourcery.com>
788 * c-parser.c (c_parser_parms_list_declarator): Discard pending
789 sizes on syntax error after some arguments have been parsed.
791 2009-02-12 Jakub Jelinek <jakub@redhat.com>
793 * doc/invoke.texi (-fira): Remove.
795 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
797 * caller-save.c: Replace regclass.c with reginfo.c in comments.
801 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
803 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
804 (umul_ppmm): Likewise.
805 (count_leading_zeros): Likewise.
806 (count_trailing_zeros): Likewise.
807 (UMUL_TIME): Likewise.
809 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
811 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
812 soft-fp/t-softfp to tmake_file.
814 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
815 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
816 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
817 IA64_BUILTIN_INFQ]: New.
818 (ia64_init_builtins): Initialize __builtin_infq,
819 __builtin_fabsq and __builtin_copysignq if not HPUX.
820 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
821 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
823 * config/ia64/lib1funcs.asm (__divtf3): Define only if
825 (__fixtfti): Likewise.
826 (__fixunstfti): Likewise.
827 (__floattitf): Likewise.
829 * config/ia64/libgcc-glibc.ver: New.
830 * config/ia64/t-fprules-softfp: Likewise.
831 * config/ia64/sfp-machine.h: Likewise.
833 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
834 (LIBGCC2_TF_CEXT): Likewise.
836 (TARGET_INIT_LIBFUNCS): Likewise.
838 * config/ia64/t-glibc (SHLINB_MAPFILES):
839 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
841 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
843 * config/i386/i386.c (construct_container): Rewrite processing
844 BLKmode with X86_64_SSE_CLASS.
846 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
849 * config/i386/i386.md: Replace simplify_replace_rtx with
850 replace_rtx in the new peephole2.
852 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
854 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
855 loop unrolling do not happen at -O2.
857 2009-02-12 Michael Matz <matz@suse.de>
859 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
861 2009-02-12 Jakub Jelinek <jakub@redhat.com>
863 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
866 2009-02-12 Ben Elliston <bje@au.ibm.com>
868 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
869 patterns when updating the back chain. Missed in the 2009-02-10
872 2009-02-11 Janis Johnson <janis187@us.ibm.com>
874 * doc/extend.texi (Decimal Floating Types): Update identifier of
875 draft TR and list of missing support.
877 2009-02-11 Jakub Jelinek <jakub@redhat.com>
880 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
881 bit to variable length decl's flags, add it also to its
882 pointer replacement variable.
884 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
885 Jakub Jelinek <jakub@redhat.com>
888 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
889 (memory_blockage): New expander.
890 (*memory_blockage): New insn pattern.
891 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
892 instead of general blockage at the end of function prologue when
893 frame pointer is used to access red zone area. Do not emit blockage
894 when profiling, it is emitted in generic code.
895 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
896 function epilogue when frame pointer is used to access red zone area.
898 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
901 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
902 by arithmetic with memory operands.
903 * config/i386/predicates.md (commutative_operator): New.
905 2009-02-10 Janis Johnson <janis187@us.ibm.com>
907 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
910 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
912 * alias.h (record_alias_subset): Declare.
913 * alias.c (record_alias_subset): Make global.
915 2009-02-10 Nick Clifton <nickc@redhat.com>
917 * tree-parloops.c: Change license to GPLv3.
918 * ipa-struct-reorg.c: Change license to GPLv3.
919 * ipa-struct-reorg.h: Change license to GPLv3.
921 2009-02-10 Steve Ellcey <sje@cup.hp.com>
924 * c-decl.c (start_struct): Return NULL on error.
926 2009-02-10 Jakub Jelinek <jakub@redhat.com>
929 * cfgloopmanip.c (remove_path): Call remove_bbs after
930 cancel_loop_tree, not before it.
933 * function.h (struct function): Add has_local_explicit_reg_vars bit.
934 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
936 * tree-ssa-live.c (remove_unused_locals): Recompute
937 cfun->has_local_explicit_reg_vars.
938 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
939 copies or clearings if cfun->has_local_explicit_reg_vars.
941 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
944 * config/i386/i386.c (expand_prologue): Emit blockage at the end
945 of function prologue when frame pointer is used to access
948 2009-02-10 Richard Guenther <rguenther@suse.de>
951 * gimplify.c (gimple_regimplify_operands): Always look if
952 we need to create a temporary.
954 2009-02-10 Richard Guenther <rguenther@suse.de>
956 PR tree-optimization/39132
957 * tree-loop-distribution.c (todo): New global var.
958 (generate_memset_zero): Trigger TODO_rebuild_alias.
959 (tree_loop_distribution): Return todo.
961 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
964 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
965 (x86_64_reg_class_name): Removed.
966 (classify_argument): Return 0 if bytes > 32. Return 0 if the
967 first one isn't X86_64_SSE_CLASS or any other ones aren't
968 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
969 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
970 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
971 and 3 X86_64_SSEUP_CLASS.
972 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
973 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
975 2009-02-10 Ben Elliston <bje@au.ibm.com>
977 * config/rs6000/rs6000.md (allocate_stack): Always use an update
978 form instruction to update the stack back chain word, even if the
979 user has disabled the generation of update instructions.
980 (movdi_<mode>_update_stack): New.
981 (movsi_update_stack): Likewise.
982 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
983 always use an update form instruction to update the stack back
986 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
989 * graphite.c (if_region_set_false_region): After moving a region in
990 the false branch of a condition, remove the empty dummy basic block.
991 (gloog): Remove wrong fix for PR38953.
993 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
995 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
996 generation due to implicit sign extension.
998 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
1001 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1002 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1004 2009-02-09 Richard Guenther <rguenther@suse.de>
1007 * convert.c (convert_to_real): Disable (float)fn((double)x)
1008 to fnf(x) conversion if errno differences may occur and
1009 -fmath-errno is set.
1011 2009-02-07 Anatoly Sokolov <aesok@post.ru>
1013 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1014 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1015 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1017 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1020 * c-common.c (handle_alias_attribute): Disallow attribute for
1021 anything not a FUNCTION_DECL or VAR_DECL.
1023 2009-02-06 Janis Johnson <janis187@us.ibm.com>
1026 * real.c (do_compare): Special-case compare of zero against
1027 decimal float value.
1029 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1032 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1033 as indicating flexible array members unless the field itself is
1034 being declarared as the incomplete array.
1036 2009-02-06 Jan Hubicka <jh@suse.cz>
1038 PR tree-optimization/38844
1039 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1042 2009-02-06 Richard Guenther <rguenther@suse.de>
1045 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1046 fork because we may expand it as __gcov_fork.
1048 2009-02-06 Nick Clifton <nickc@redhat.com>
1050 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1052 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1054 PR tree-optimization/35659
1055 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1056 vn_phi_eq): Shortcut if hashcode does not match.
1057 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1059 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1060 and avoid iterative_hash_expr.
1061 (FOR_EACH_VALUE_ID_IN_SET): New.
1062 (value_id_compare): Remove.
1063 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1064 sort expressions by value id.
1066 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1069 * config/sh/predicates.md (general_movsrc_operand): Don't check
1070 the subreg of system registers here.
1072 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1075 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1078 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1080 PR rtl-optimization/39110
1081 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1082 addresses, not aligned ones.
1084 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1085 Richard Guenther <rguenther@suse.de>
1087 PR tree-optimization/39100
1088 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1089 comment says and add edges.
1091 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1094 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1095 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1097 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1099 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1100 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1101 register_bb_in_sese, new_sese, free_sese): Moved.
1102 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1103 outermost_loop_in_scop, build_scop_iteration_domain,
1104 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1105 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1106 Use loop_in_sese_p instead of loop_in_scop_p.
1107 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1108 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1109 (scopdet_basic_block_info): Fix bug in scop detection.
1110 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1111 eq_loop_to_cloog_loop): Remove.
1112 (nb_loops_around_loop_in_scop, nb_loop
1113 ref_nb_loops): Moved here...
1114 * graphite.h (ref_nb_loops): ... from here.
1115 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1116 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1117 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1118 * testsuite/gcc.dg/graphite/scop-19.c: New
1120 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1121 Hans-Peter Nilsson <hp@axis.com>
1123 PR rtl-optimization/37889
1124 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1125 Move offset handling from PLUS to before the switch. Use new
1126 arguments when considering SYMBOL_REFs too.
1127 (rtx_addr_can_trap_p): Pass dummy offset and size.
1128 (enum may_trap_p_flags): Remove.
1129 (may_trap_p_1): Pass size from MEM_SIZE.
1131 PR rtl-optimization/38921
1132 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1133 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1134 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1135 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1137 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1139 AVX Programming Reference (January, 2009)
1140 * config/i386/sse.md (*vpclmulqdq): New.
1142 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1144 PR tree-optimization/38977
1145 PR gcov-profile/38292
1146 * calls.c (special_function_p): Disregard __builtin_ prefix.
1148 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1150 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1151 non-indexable addresses even before reload.
1153 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1156 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1157 as having variable size. Do not give an error for unnamed
1158 parameters with [*] declarators. Give a warning for type names
1159 with [*] declarators and mark them as variable size.
1160 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1161 for sizeof applied to [*] type names.
1163 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1166 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1168 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1170 * gcc.c (process_command): Update copyright notice dates.
1171 * gcov.c (print_version): Likewise.
1172 * gcov-dump.c (print_version): Likewise.
1173 * mips-tfile.c (main): Likewise.
1174 * mips-tdump.c (main): Likewise.
1176 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1179 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1180 for composite type involving a zero-length array type.
1182 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1185 * function.c (match_asm_constraints_1): Skip over
1186 initial optional % in the constraint.
1189 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1190 supported, don't accept FIXED_CSTs.
1191 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1192 and _Sat is used without _Fract/_Accum. Set specs->type to
1193 integer_type_node for cts_fract/cts_accum if fixed point is not
1196 2009-02-02 Catherine Moore <clm@codesourcery.com>
1198 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1200 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1202 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1203 (ABI_HAS_64BIT_SYMBOLS): Use it.
1204 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1206 2009-02-02 Paul Brook <paul@codesourcery.com>
1208 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1210 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1213 * recog.h (asm_operand_ok): Add constraints argument.
1214 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1215 recurse on matching constraint.
1216 (check_asm_operands): Pass constraints as 3rd argument to
1217 asm_operand_ok. Don't look up matching constraint here.
1218 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1221 2009-02-02 Ben Elliston <bje@au.ibm.com>
1223 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1224 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1226 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1228 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1229 information. Remove some obsolete information. Reorganize.
1231 * config/pa/fptr.c: Revert license to GPL 2.
1232 * config/pa/milli64.S: Likewise.
1234 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1237 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1238 LIBRARY name in, instead of hard-coding it.
1239 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1240 extra target make frag to tmake_files according to EH model.
1241 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1242 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1243 frags that define makefile variable EH_MODEL appropriately.
1244 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1245 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1246 to "-sjlj" according to type of EH configured.
1247 (LIBGCC_SONAME): Concatenate it to shared library base name.
1248 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1249 to "_sjlj" according to type of EH configured.
1250 (LIBGCC_SONAME): Concatenate it to shared library base name.
1251 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1252 (SHLIB_LINK): Add missing semicolon to if-else construct.
1253 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1254 string value of "pe_dll" command-line option.
1255 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1256 (SHLIB_SONAME): Use it when overriding t-cygming default.
1257 (SHLIB_IMPLIB): Override t-cygming default.
1258 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1259 string value of "pe_dll" command-line option.
1261 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1264 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1265 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1267 2009-01-31 Richard Guenther <rguenther@suse.de>
1269 PR tree-optimization/38937
1270 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1271 computing the transitive closure.
1273 2009-01-30 Richard Guenther <rguenther@suse.de>
1275 PR tree-optimization/39041
1276 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1277 Propagate variable indices only if the types match for this stmt.
1279 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1282 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1283 inline but never defined.
1285 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1287 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1288 (*insv_h_di_reg_extimm): New insn.
1289 (*insv_l<mode>_reg_extimm): New insn.
1291 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1293 * config/picochip/picochip.c (flag_conserve_stack): set
1294 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1295 fconserve-stack. Reduce call-overhead used by inliner.
1297 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1300 * common.opt (flag_conserve_stack): Initialised to zero.
1302 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1305 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1306 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1309 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1311 * ira-color.c (allocno_reload_assign): Update comments.
1312 * regmove.c (regmove_optimize): Likewise.
1316 2009-01-29 Robert Millan <rmh@aybabtu.com>
1318 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1319 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1320 `MD_UNWIND_SUPPORT'.
1321 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1323 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1325 PR tree-optimization/39007
1326 * tree-loop-distribution.c (generate_builtin): Use
1327 recompute_dominator to compute the immediate dominator of the
1328 basic block just after the loop.
1330 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1332 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1333 (ASM_OUTPUT_DWARF_PCREL): Define.
1335 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1337 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1338 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1339 global. Modify entries about regmove and IRA.
1341 * ra-conflict.c: Remove the file.
1343 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1345 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1346 (pass_regclass_init): Rename to pass_reginfo_init.
1348 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1350 * toplev.h (flag_ira): Remove.
1352 * caller-save.c (setup_save_areas): Remove flag_ira.
1354 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1356 * global.c: Remove the file.
1358 * opts.c: (decode_options): Remove flag_ira.
1360 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1362 * regmove.c: Modify file description.
1363 (find_use_as_address, try_auto_increment): Define them only if
1364 AUTO_INC_DEC is defined.
1365 (replacement_quality, replace_in_call_usage, fixup_match_1,
1366 stable_and_no_regs_but_for_p): Remove.
1367 (reg_set_in_bb): Make it static.
1368 (regmove_optimize): Remove flag_ira and code which worked for
1371 * local-alloc.c: Remove the file.
1373 * common.opt (fira): Remove.
1375 * ira.c: Include except.h.
1376 (eliminable_regset): Move from global.c.
1377 (mark_elimination): Ditto. Remove flag_ira.
1378 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1379 equiv_mem_modified, validate_equiv_mem_from_store,
1380 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1381 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1382 no_equiv, recorded_label_ref): Move from local-alloc.c.
1383 (update_equiv_regs): Ditto. Make it static.
1384 (print_insn_chain, print_insn_chains): Move it from global.c.
1385 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1386 (build_insn_chain): Ditto. Make it static.
1387 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1388 Rename to init_live_subregs.
1389 (gate_ira): Remove flag_ira.
1391 * regclass.c: Rename reginfo.c. Change file description.
1392 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1393 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1394 (init_reg_sets_1): Remove code for evaluation of
1395 reg_class_superclasses and losing_caller_save_reg_set.
1396 (init_regs): Remove init_reg_autoinc.
1397 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1398 ok_for_base_p_nonstrict): Remove.
1399 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1400 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1401 corresponding entries.
1402 (dump_regclass, record_operand_costs, scan_one_insn,
1403 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1404 record_address_regs, auto_inc_dec_reg_p): Remove.
1405 (gt-regclass.h): Rename to gt-reginfo.h.
1407 * rtl.h (dump_global_regs, retry_global_alloc,
1408 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1410 * Makefile.in (RA_H): Remove.
1411 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1412 Rename regclass.o to reginfo.o.
1413 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1415 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1416 (GTFILES): Rename regclass.c to reginfo.c.
1418 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1419 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1421 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1422 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1424 (finish_spills): Ditto. Remove code for !flag_ira.
1426 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1429 * doc/invoke.texi (rtl debug options): Complete rewrite.
1430 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1432 * mode-switching.c (pass_mode_switching): Rename pass from
1433 "mode-sw" to "mode_sw".
1434 * except.c (pass_convert_to_eh_ranges): Rename pass from
1435 "eh-ranges" to "eh_ranges".
1436 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1440 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1441 Alexander Monakov <amonakov@ispras.ru>
1444 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1446 (move_exprs_to_boundary): Change return type and pass through
1447 should_move from move_op. Relax assert. Update usage ...
1448 (schedule_expr_on_boundary): ... here. Use should_move instead of
1450 (move_op_orig_expr_found): Indicate that insn was disconnected from
1452 (code_motion_process_successors): Do not call after_merge_succs
1453 callback if original expression was not found when traversing any of
1455 (code_motion_path_driver): Change return type. Update prototype.
1456 (move_op): Update comment. Add a new parameter (should_move). Update
1457 prototype. Set *should_move based on indication provided by
1458 move_op_orig_expr_found.
1460 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1462 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1463 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1464 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1465 * config/rs6000/rs6000.c (rs6000_override_options): Default
1466 avoid-indexed-addresses on for Power6, off for everything else.
1467 (avoiding_indexed_address_p): New function.
1468 (rs6000_legitimize_address): Use it.
1469 (rs6000_legitimate_address): Likewise.
1470 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1472 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1474 PR tree-optimization/38997
1475 * tree-loop-distribution.c (generate_memset_zero): Use
1476 POINTER_PLUS_EXPR for a pointer addition.
1478 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1480 * config/s390/s390.md (bswap<mode>2): New pattern added.
1482 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1484 * config/s390/s390.md (*tls_load_31): Added type attribute.
1486 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1488 * config/s390/s390.md: Fix a few comments.
1490 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1492 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1493 (*tm<mode>_full): Fixed z10prop attribute.
1494 (*tst<mode>_extimm): Fixed z10prop attribute.
1495 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1496 (*tstqiCCT_cconly): Fixed z10prop attribute.
1497 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1498 (*movsi_larl): Fixed z10prop attribute.
1499 (*movsi_zarch): Fixed z10prop attribute.
1500 (*movsi_eas): Fixed z10prop attribute.
1501 (*movhi): Fixed z10prop attribute.
1502 (*movqi): Fixed z10prop attribute.
1503 (*movstrictqi): Fixed z10prop attribute.
1504 (*mov<mode>): Fixed z10prop attribute.
1505 (*movcc): Fixed z10prop attribute.
1506 (*sethighpartdi_64): Fixed z10prop attribute.
1507 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1508 (*negdi2_sign_cc): Fixed z10prop attribute.
1509 (*negdi2_sign): Fixed z10prop attribute.
1510 (*absdi2_sign_cc): Fixed z10prop attribute.
1511 (*absdi2_sign): Fixed z10prop attribute.
1512 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1513 (*negabsdi2_sign): Fixed z10prop attribute.
1514 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1515 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1516 (doloop_si64): Fixed z10prop attribute.
1517 (doloop_si31): Fixed z10prop attribute.
1518 (doloop_long): Fixed z10prop attribute.
1519 (indirect_jump): Fixed z10prop attribute.
1520 (nop): Fixed z10prop attribute.
1521 (main_base_64): Fixed z10prop attribute.
1522 (reload_base_64): Fixed z10prop attribute.
1524 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1526 PR rtl-optimization/38740
1527 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1529 * config/mips/mips.c (mips_reorg): Likewise.
1531 2009-01-28 Richard Guenther <rguenther@suse.de>
1533 PR tree-optimization/38926
1534 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1535 with the correct value id to a value.
1536 (do_regular_insertion): Use the value number of edoubleprime
1537 for the value number of the expr.
1540 2008-08-21 Richard Guenther <rguenther@suse.de>
1542 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1543 a PHI ask VN if it is already available.
1544 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1545 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1547 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1550 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1551 set to varying whenever max has TREE_OVERFLOW set, similarly
1552 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1554 2009-01-28 Richard Guenther <rguenther@suse.de>
1557 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1558 uninitialized aggregate uses in call arguments.
1560 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1562 PR tree-optimization/38984
1563 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1564 the nothing_id variable if -fno-delete-null-pointer-checks.
1566 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1569 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1570 (set_got_offset_rex64): Ditto.
1572 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1575 * doc/extend.texi: Improve local variable with asm reg.
1577 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1579 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1580 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1581 was not supplied then set warn_packed_bitfield_compat to the
1583 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1586 2009-01-27 Richard Guenther <rguenther@suse.de>
1588 PR tree-optimization/38503
1589 * cfgexpand.c (expand_gimple_basic_block): Ignore
1590 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1591 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1592 variables that cannot have TBAA applied.
1593 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1596 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1599 * calls.c (initialize_argument_information): Do not wrap complex
1600 arguments in SAVE_EXPR.
1602 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1604 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1605 (INSTALL_LIBGCC): Revert typo commit.
1607 2009-01-26 Richard Guenther <rguenther@suse.de>
1609 PR tree-optimization/38745
1610 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1611 from special handling.
1613 2009-01-26 Richard Guenther <rguenther@suse.de>
1615 PR tree-optimization/38745
1616 * tree-ssa.c (execute_update_addresses_taken): Do not include
1617 variables that cannot possibly be a register in not_reg_needs.
1618 Do not clear TREE_ADDRESSABLE on vars that may not become
1620 * tree-ssa.c (update_alias_info_1): Include those in the set
1621 of addressable vars.
1623 2009-01-26 Richard Guenther <rguenther@suse.de>
1626 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1627 * tree-ssa-dse.c: Include langhooks.h
1628 (execute_simple_dse): Remove stores with zero size.
1630 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1633 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1636 2009-01-24 Julian Brown <julian@codesourcery.com>
1638 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1639 config/arm/linux-atomic.c.
1640 * config/arm/linux-atomic.c: New.
1642 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1644 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1645 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1646 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1648 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1651 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1654 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1656 PR tree-optimization/38953
1657 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1658 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1659 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1660 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1663 2009-01-24 Paul Brook <paul@codesourcery.com>
1665 * config/arm/neon.md (neon_type): Move to arm.md.
1666 (neon_mov<VSTRUCT>): Add neon_type attribute.
1667 * config/arm/arm.md (neon_type): Move to here.
1668 (conds): Add "unconditioal" and use as default for NEON insns.
1670 2009-01-24 Ben Elliston <bje@au.ibm.com>
1672 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1673 void *' warning from -Wc++-compat.
1674 * Makefile.in (dominance.o-warn): Remove.
1676 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1678 PR tree-optimization/38932
1679 * fold-const.c (fold_unary_ignore_overflow): New.
1680 * tree.h (fold_unary_ignore_overflow): Declare.
1681 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1682 * tree-ssa-sccvn.c (visit_reference_op_load,
1683 simplify_unary_expression): Likewise.
1685 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1687 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1688 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1689 regardless of their type.
1690 * c-common.c (handle_packed_attribute): Don't ignore packed on
1692 * c.opt (Wpacked-bitfield-compat): New warning option.
1693 * stor-layout.c (place_field): Warn if offset of a field changed.
1694 * doc/extend.texi (packed): Mention the ABI change.
1695 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1696 (Warning Options): Add it to the list.
1698 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1700 * c-opts.c (c_common_post_options): Fix a typo in comments.
1702 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1705 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1706 variables to static.
1707 * doc/invoke.texi (-fmerge-all-constants): Update description.
1709 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1712 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1713 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1715 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1717 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1719 (LOCAL_ALIGNMENT): Similarly.
1721 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1722 Joseph Myers <joseph@codesourcery.com>
1724 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1725 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1726 * config/arm/arm-tune.md: Regenerate.
1727 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1730 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1732 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1733 version number to five.
1735 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1738 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1739 * c-common.c (set_underlying_type): Likewise.
1740 (is_typedef_decl ): Likewise
1742 (set_underlying_type): Likewise.
1743 (is_typedef_type): Likewise.
1745 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1748 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1751 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1754 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1755 (LIBGCC_SPEC): Don't define.
1756 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1758 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1760 PR rtl-optimization/38879
1761 * alias.c (base_alias_check): Unaligned access via AND address can
1762 alias all surrounding object types except those with sizes equal
1763 or wider than the size of unaligned access.
1765 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1768 * c-decl.c: (clone_underlying_type): Move this ...
1769 * c-common.c (set_underlying_type): ... here.
1770 Also, make sure the function properly sets TYPE_STUB_DECL() on
1771 the newly created typedef variant type.
1772 (is_typedef_decl ): New entry point.
1773 * tree.h: Added a new member member_types_needing_access_check to
1774 struct tree_decl_non_common.
1775 (set_underlying_type): New entry point.
1776 (is_typedef_type): Likewise.
1778 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1780 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1781 Check whether two instructions have memory references that
1782 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1783 are helper functions for traversing.
1784 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1785 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1786 not to draw dependency edge for instructions with non-conflicting
1789 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1792 * longlong.h: Update copyright years. Use soft-fp license notice.
1793 Sync __clz_tab declaration with glibc.
1795 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1798 * doc/extend.texi (syscall_linkage): New.
1799 (version_id): Modify.
1801 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1802 Richard Guenther <rguenther@suse.de>
1804 PR tree-optimization/38747
1805 PR tree-optimization/38748
1806 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1807 conversion if the base address is an indirect reference and the
1808 aliasing sets could cause issues.
1810 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1812 * common.opt (fgraphite, fgraphite-identity): Add comment for
1813 explaining why these options are not documented.
1815 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1817 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1818 gimple_call_lhs is NULL.
1820 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1823 * emit-rtl.c (adjust_address_1): Make sure memref is never
1826 2009-01-20 Ben Elliston <bje@au.ibm.com>
1828 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1829 const qualifier from arg parameter. Remove unnecessary cast to char *.
1830 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1831 const qualifier from arg 2.
1833 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1835 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1837 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1840 * rtl.h (reinit_regs): New prototype.
1841 * regclass.c: Include ira.h.
1843 * Makefile.in (regclass.o): Add ira.h.
1844 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1846 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1849 * c-common.c (handle_aligned_attribute): Use
1850 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1851 default alignment value.
1853 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1855 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1856 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1858 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1859 __BIGGEST_ALIGNMENT__.
1861 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1863 2009-01-18 Richard Guenther <rguenther@suse.de>
1865 PR tree-optimization/38819
1866 * tree-flow.h (operation_could_trap_helper_p): Declare.
1867 * tree-eh.c (operation_could_trap_helper_p): Export.
1868 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1869 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1870 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1871 are about to insert a possibly trapping instruction and fail
1874 2009-01-18 Andreas Schwab <schwab@suse.de>
1876 * doc/install.texi (Configuration): Remove obsolete paragraph
1877 about use of --with-gnu-ld with --with-gnu-as.
1879 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1881 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1882 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1883 Follow spelling conventions.
1885 2009-01-18 Ben Elliston <bje@au.ibm.com>
1887 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1888 C++ warning about implicit conversion from void * to struct
1890 (bitmap_obstack_free): Likewise for bitmap_element *.
1891 * Makefile.in (bitmap.o-warn): Remove.
1893 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1895 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1897 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1898 Tobias Grosser <tobi.grosser@amd.com>
1900 * graphite.c (graphite_trans_scop_block): Do not block single
1903 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1905 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1906 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1907 test with assertion.
1909 2009-01-16 Richard Guenther <rguenther@suse.de>
1911 PR tree-optimization/38835
1913 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1914 and INT + PTR -> (INT)(PTR p+ INT) folding.
1915 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1917 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1920 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1921 the subreg from a lowpart subreg if it is also casting the value.
1923 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1924 Tobias Grosser <tobi.grosser@amd.com>
1926 * graphite.c (compare_prefix_loops): New.
1927 (build_scop_canonical_schedules): Rewritten.
1928 (graphite_transform_loops): Move build_scop_canonical_schedules
1929 after build_scop_iteration_domain.
1931 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1932 Tobias Grosser <tobi.grosser@amd.com>
1934 * graphite.c (add_conditions_to_domain): Add the loops to
1935 the dimension of the iteration domain. Do copy the domain
1936 only when it exists.
1937 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1938 (add_conditions_to_constraints): New.
1939 (can_generate_code_stmt, can_generate_code): Removed.
1940 (gloog): Do not call can_generate_code.
1941 (graphite_transform_loops): Call add_conditions_to_constraints
1942 after building the iteration domain.
1944 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1946 PR tree-optimization/38789
1947 * tree-ssa-threadedge.c
1948 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1949 __builtin_constant_p.
1951 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1953 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1954 examined before deleting them.
1956 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1958 * function.c (aggregate_value_p): Correctly extract the function
1959 type from CALL_EXPR_FN lookup.
1961 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1963 * config/picochip/picochip.c (picochip_override_options): Revert
1964 CFI asm flag disable commited previously.
1966 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1967 Tobias Grosser <tobi.grosser@amd.com>
1968 Jan Sjodin <jan.sjodin@amd.com>
1970 * graphite.c (scan_tree_for_params): On substractions negate
1971 all the coefficients of the term.
1972 (clast_to_gcc_expression_red): New. Handle reduction expressions
1973 of more than two operands.
1974 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1975 (get_vdef_before_scop): Handle also the case of default definitions.
1977 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1979 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1980 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1981 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1983 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1984 Joey Ye <joey.ye@intel.com>
1987 * cfgexpand.c (expand_stack_alignment): Don't update stack
1988 boundary nor check incoming stack boundary here.
1989 (gimple_expand_cfg): Update stack boundary and check incoming
1990 stack boundary here.
1992 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1994 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1996 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1998 PR rtl-optimization/38245
1999 * calls.c (expand_call): Add stack arguments to
2000 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2001 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2002 in regs and partially in memory or BLKmode arguments.
2003 (emit_library_call_value_1): Add stack arguments to
2004 CALL_INSN_FUNCTION_USAGE even for pure calls (when
2005 ACCUMULATE_OUTGOING_ARGS).
2006 * dce.c: Include tm_p.h.
2007 (find_call_stack_args): New function.
2008 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
2010 (mark_insn): Call find_call_stack_args for CALL_Ps.
2011 (prescan_insns_for_dce): Walk insns backwards in bb rather than
2012 forwards. Allocate and free arg_stores bitmap if needed, pass it
2013 down to deletable_insn_p, don't mark stores set in arg_stores
2014 bitmap, clear the bitmap at the beginning of each bb.
2015 * Makefile.in (dce.o): Depend on $(TM_P_H).
2017 2009-01-14 Michael Meissner <gnu@the-meissners.org>
2020 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2021 to make sure the insn is a conditional test (bug 22599). Reformat a
2024 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
2027 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2028 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2029 (gloog): Do not call cleanup_tree_cfg.
2030 (graphite_transform_loops): Call cleanup_tree_cfg after all
2031 scops have been code generated.
2033 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2034 * doc/gty.texi (Invoking the garbage collector): Added new node
2035 and section documenting ggc_collect.
2037 2009-01-14 Richard Guenther <rguenther@suse.de>
2039 PR tree-optimization/38826
2041 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2042 initialization notes only if we actually emitted a warning.
2043 (intra_create_variable_infos): Add constraints for a result decl
2044 that is passed by hidden reference.
2045 (build_pred_graph): Mark all related variables non-direct on
2048 2009-01-14 Nick Clifton <nickc@redhat.com>
2050 * ira-conflicts.c: Include addresses.h for the definition of
2052 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2053 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2055 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2058 * Makefile.in (ira-lives.o): Add except.h.
2060 * ira-lives.c: Include except.h.
2061 (process_bb_node_lives): Process can_throw_internal.
2063 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2065 PR rtl-optimization/38774
2066 * combine.c (simplify_set): When undoing cc_use change, don't do
2067 PUT_CODE on the newly created comparison, but instead put back the
2070 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2072 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2073 values. Remove duplicate arm8 entry.
2075 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2077 PR tree-optimization/38786
2078 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2079 the SSA_NAME case of expand_scalar_variables_expr.
2080 Set the type of an expression to the type of its assign statement.
2081 (expand_scalar_variables_expr): Also gather the scalar computation
2082 used to index the memory access. Do not pass loop_p.
2083 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2084 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2085 the gimple_stmt_iterator where it inserts new code.
2087 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2088 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2090 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2092 * graphite.h (debug_value): Removed.
2093 * graphite.c (debug_value): Removed.
2095 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2097 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2098 ldrd/strd with two 32-bit instructions.
2100 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2102 * config/arm/arm.c (struct processors): Pass for speed down into
2103 cost helper functions.
2104 (const_ok_for_op): Handle COMPARE and inequality nodes.
2105 (arm_rtx_costs_1): Rewrite.
2106 (arm_size_rtx_costs): Update prototype.
2107 (arm_rtx_costs): Pass speed down to helper functions.
2108 (arm_slowmul_rtx_costs): Rework cost calculations.
2109 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2110 (arm_9e_rtx_costs): Likewise.
2112 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2114 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2115 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2116 (alpha_legitimize_address): Do not split local symbols wider than
2117 UNITS_PER_WORD into HIGH/LO_SUM parts.
2119 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2122 * gcc.c (process_command): Replace call to execvp with calls
2123 to pex_one and exit.
2125 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2128 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2129 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2130 variant for devices with 3-byte PC.
2131 (__tablejump_elpm__) : New.
2133 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2136 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2137 offsetof member-designator, handle it as `[0].'.
2139 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2141 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2142 function when not using named sections on targets with named sections
2143 if branch distance is less than 262132.
2145 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2147 * combine.c (combine_instructions): Recompute
2148 optimize_this_for_speed_p for each BB in the main combine loop.
2150 2009-01-12 Tomas Bily <tbily@suse.cz>
2153 * tree-loop-distribution.c (prop_phis): New function.
2154 (generate_builtin): Call prop_phis.
2155 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2157 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2159 PR tree-optimization/38807
2160 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2161 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2163 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2165 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2166 subreg of op0 to the original op0.
2168 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2170 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2172 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2175 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2176 starting with digits.
2178 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2181 * config/arm/arm.c (arm_is_long_call_p): Don't call
2182 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2184 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2186 * regrename.c (regrename_optimize): Fix dumping.
2187 (find_oldest_value_reg): Preserve REG_POINTER.
2188 (copy_hardreg_forward_1): Likewise.
2190 2009-01-09 Diego Novillo <dnovillo@google.com>
2192 * gimple.h (struct gimple_statement_base) <uid>: Document
2193 the restrictions on its use.
2195 (gimple_set_uid): Tidy.
2197 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2199 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2200 zero guard even if align_bytes != 0 and count is smaller than
2203 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2205 PR rtl-optimization/38495
2206 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2207 (add_range_and_copies_from_move_list): Print all added ranges.
2208 Add ranges to memory optimized destination.
2210 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2214 * config/i386/i386.c (override_options): Reject
2215 -mstringop-strategy=rep_8byte with -m32.
2216 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2217 to 1. Do count comparison against epilogue_size_needed at compile
2218 time even when count_exp was constant forced into register. For
2219 size_needed don't jump to epilogue, instead just avoid aligning
2220 and invoke the body algorithm. If need_zero_guard, add zero guard
2221 even if count is non-zero, but smaller than size_needed + number of
2222 bytes that could be stored for alignment.
2223 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2224 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2225 but smaller than size_needed + number of bytes that could be stored
2226 for alignment. Compare size_needed with epilogue_size_needed instead
2227 of desired_align - align, don't adjust size_needed, pass
2228 epilogue_size_needed to the epilogue expanders.
2231 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2233 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2235 * pa.c (last_address): Change to unsigned.
2236 (update_total_code_bytes): Change argument to unsigned. Don't
2237 check if insn addresses are set.
2238 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2239 addresses are not set.
2240 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2242 2009-01-09 Nick Clifton <nickc@redhat.com>
2244 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2245 DECL_DECLARED_INLINE_P.
2247 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2250 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2251 GET_MODE (op0) in operand_subword_force calls.
2254 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2255 fold_convert arg0 operands to TREE_TYPE (op0) first.
2257 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2259 * params.def (ira-max-conflict-table-size): Decrease default value
2262 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2264 PR tree-optimization/37031
2265 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2267 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2268 allocate it using gc instead of heap, use VEC_quick_push instead of
2270 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2271 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2272 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2273 allocated vector from heap allocated.
2274 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2275 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2276 vector only after perfect_loop_nest_depth call.
2278 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2279 Jan Sjodin <jan.sjodin@amd.com>
2281 PR tree-optimization/38559
2282 * graphite.c (debug_value, copy_constraint,
2283 swap_constraint_variables, scale_constraint_variable, ): New.
2284 (get_lower_bound, get_upper_bound): Removed.
2285 (graphite_trans_bb_strip_mine): Clean up this code that works
2286 only for constant number of iterations. Fully copy upper and
2287 lower bound constraints, not only the constant part of them.
2288 * graphite.h (debug_value): Declared.
2290 2009-01-08 Ira Rosen <irar@il.ibm.com>
2292 PR tree-optimization/37194
2293 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2294 Don't add the cost of cost model guard in prologue to scalar
2295 outside cost in case of known number of iterations.
2297 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2298 Alan Modra <amodra@bigpond.net.au>
2300 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2301 non-word-aligned REG+CONST addressing.
2303 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2306 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2307 free_after_compilation when outputting a thunk.
2308 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2309 Do not call free_after_compilation here.
2311 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2313 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2314 (ix86_valid_target_attribute_inner_p): Ditto.
2316 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2318 PR tree-optimization/38492
2319 PR tree-optimization/38498
2320 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2321 * tree-chrec.h (scev_is_linear_expression): Declared.
2322 * graphite.c (graphite_cannot_represent_loop_niter): New.
2323 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2324 (graphite_loop_normal_form): Use gcc_assert.
2325 (scan_tree_for_params): Use CASE_CONVERT.
2326 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2327 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2328 Use gcc_assert. Discard scops that contain unhandled cases.
2329 (build_scop_conditions): Return a boolean status for unhandled cases.
2330 (strip_mine_profitable_p): Print the loop number, not its depth.
2331 (is_interchange_valid): Pass the depth of the loop nest, don't
2332 recompute it wrongly.
2333 (graphite_trans_bb_block): Same.
2334 (graphite_trans_bb_block): Print tentative of loop blocking.
2335 (graphite_trans_scop_block): Do not print that the loop has been
2337 (graphite_transform_loops): Do not handle scops that contain condition
2340 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2342 AVX Programming Reference (December, 2008)
2343 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2344 (_mm256_stream_pd): Likewise.
2345 (_mm256_stream_ps): Likewise.
2347 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2348 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2349 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2350 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2351 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2352 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2353 (ix86_expand_special_args_builtin): Likewise.
2355 * config/i386/sse.md (AVXMODEDI): New.
2356 (avx_movnt<mode>): Likewise.
2357 (avx_movnt<mode>): Likewise.
2358 (<sse>_movnt<mode>): Remove AVX support.
2359 (sse2_movntv2di): Likewise.
2361 2009-01-07 Richard Guenther <rguenther@suse.de>
2364 * fold-const.c (extract_muldiv): Remove obsolete comment.
2365 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2366 to PLUS_EXPR canonicalization for the canonicalization.
2368 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2370 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2371 hosted cross-compilers generating less efficient code.
2373 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2375 * function.h (rtl_data): Add a dbr_scheduled_p field.
2376 * reorg.c (dbr_schedule): Set it.
2377 (gate_handle_delay_slots): Check it.
2378 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2379 (mips_reorg): Check flag_delayed_branch instead of
2380 mips_base_delayed_branch.
2381 (mips_override_options): Don't set mips_base_delayed_branch
2382 or flag_delayed_branch.
2384 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2386 PR rtl-optimization/38426.
2387 * ira.c (ira): Set current_function_is_leaf earlier.
2389 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2391 PR rtl-optimization/38722
2392 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2393 too early, only set a flag and modify after last possible
2396 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2399 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2400 * real.c (decimal_single_format): Correct values of emin and emax.
2401 (decimal_double_format): Ditto.
2402 (decimal_quad_format): Ditto.
2403 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2404 computation of DECnn_MIN and DECnn_MAX for corrected values of
2405 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2406 __DECnn_MIN__, and adjust its computation for the corrected value
2409 2009-01-06 Jan Hubicka <jh@suse.cz>
2412 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2414 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2416 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2417 Add Robert Clark to the list of testers.
2419 2009-01-06 Jan Hubicka <jh@suse.cz>
2420 Kai Tietz <kai.tietz@onevision.com>
2422 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2423 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2425 2009-01-06 Jan Hubicka <jh@suse.cz>
2426 Kai Tietz <kai.tietz@onevision.com>
2428 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2430 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2431 (ix86_nsaved_regs): Count only general purpose regs.
2432 (ix86_nsaved_sseregs): New.
2433 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2434 to 16 for w64; compute padding and size of sse reg save area.
2435 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2436 general purpose regs.
2437 (ix86_emit_save_sse_regs_using_mov): New.
2438 (ix86_expand_prologue): Save SSE regs if needed.
2439 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2440 (ix86_emit_restore_sse_regs_using_mov): New.
2441 (ix86_expand_epilogue): Save SSE regs if needed.
2443 2009-01-06 Jan Hubicka <jh@suse.cz>
2444 Kai Tietz <kai.tietz@onevision.com>
2446 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2447 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2448 functions when accumulate outgoing args is off.
2450 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2453 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2454 before using pseudos_have_intersected_live_ranges_p.
2456 * ira-int.h (ira_assert): Always define.
2458 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2460 AVX Programming Reference (December, 2008)
2461 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2462 (_mm256_permute2_pd): Likewise.
2463 (_mm_permute2_ps): Likewise.
2464 (_mm256_permute2_ps): Likewise.
2465 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2466 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2468 * config/i386/i386.c (ix86_builtins): Remove
2469 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2470 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2471 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2472 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2473 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2474 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2475 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2476 __builtin_ia32_vpermil2ps256.
2477 (ix86_init_mmx_sse_builtins): Updated.
2478 (ix86_expand_args_builtin): Likewise.
2480 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2482 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2483 long absolute calls when generating PA 2.0 code.
2485 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2487 PR rtl-optimization/38583
2488 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2490 * params.def (ira-max-conflict-table-size): New.
2492 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2494 * ira.h (ira_conflicts_p): New external definition.
2496 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2497 table. Report this. Return result of building.
2498 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2499 building conflict table.
2501 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2502 (ira_color): Use ira_conflicts_p.
2504 * global.c: Include ira.h.
2505 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2508 * Makefile.in (global.o): Add ira.h.
2510 * ira-build.c (mark_all_loops_for_removal,
2511 propagate_some_info_from_allocno): New.
2512 (remove_unnecessary_allocnos): Call
2513 propagate_some_info_from_allocno.
2514 (remove_low_level_allocnos): New.
2515 (remove_unnecessary_regions): Add parameter. Call
2516 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2517 parameter to remove_unnecessary_regions.
2518 (ira_build): Remove all regions but root if the conflict table was
2519 not built. Update conflict hard regs for allocnos crossing calls.
2521 * ira.c (ira_conflicts_p): New global.
2522 (ira): Define and use ira_conflicts_p.
2524 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2525 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2526 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2528 2009-01-06 Ben Elliston <bje@au.ibm.com>
2530 * gengtype-lex.l (YY_NO_INPUT): Define.
2532 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2535 * c-common.c (handle_vector_size_attribute): Also reject
2538 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2540 PR tree-optimization/38492
2541 * graphite.c (rename_map_elt, debug_rename_elt,
2542 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2543 rename_map_elt_info, eq_rename_map_elts,
2544 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2545 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2546 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2547 (sese_build_livein_liveouts): New.
2548 (new_sese, free_sese): New.
2549 (new_scop): Call new_sese.
2550 (free_scop): Call free_sese.
2551 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2552 (register_old_new_names): Renamed register_old_and_new_names.
2553 (register_scop_liveout_renames, add_loop_exit_phis,
2554 insert_loop_close_phis, struct igp,
2555 default_liveout_before_guard, add_guard_exit_phis,
2556 insert_guard_phis, copy_renames): New.
2557 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2558 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2559 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2560 (scop_adjust_phis_for_liveouts): New.
2561 (gloog): Call scop_adjust_phis_for_liveouts.
2563 * graphite.h (struct sese): Documented. Added fields liveout,
2565 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2566 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2567 (struct scop): Added field liveout_renames.
2568 (SCOP_LIVEOUT_RENAMES): New.
2570 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2572 PR tree-optimization/38510
2573 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2574 (translate_clast): Call recompute_all_dominators before
2576 (gloog): Call recompute_all_dominators before graphite_verify.
2578 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2579 Jan Sjodin <jan.sjodin@amd.com>
2581 PR tree-optimization/38500
2582 * graphite.c (create_sese_edges): Call fix_loop_structure after
2585 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2587 * config.gcc: Add m32r*-*-rtems*.
2588 * config/m32r/rtems.h: New file.
2590 2009-01-05 Ben Elliston <bje@au.ibm.com>
2592 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2593 (.po.pox): Likewise.
2594 (po/gcc.pot): Likewise.
2596 2009-01-04 David S. Miller <davem@davemloft.net>
2598 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2599 (STARTING_FRAME_OFFSET): Always set to zero.
2601 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2603 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2604 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2605 fixed-point types, and vectors of the same.
2607 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2609 * config/mips/sync.md (*mb_barrier): Rename to...
2610 (*memory_barrier): ...this.
2612 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2614 * doc/extend.texi (Function Attributes): Move @cindex after @item
2615 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2616 and put in alphabetical order. Fix 'target' name and put in order.
2617 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2620 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2622 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2623 (memory_barrier): Expand as unspec instead of unspec_volatile.
2624 Remove mem:BLK from insn operands. Use Pmode scratch register.
2625 (*memory_barrier): Define as unspec instead of unspec_volatile.
2626 Use (match_dup 0) as input operand.
2628 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2629 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2630 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2631 scratch register. Remove operand 1.
2632 (*stbar): Define as unspec instead of unspec_volatile.
2633 Use (match_dup 0) as input operand, remove (const_int 8).
2634 (*membar): Define as unspec instead of unspec_volatile.
2635 Use (match_dup 0) as input operand, remove input operand 2.
2637 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2638 (memory_barrier): Expand as unspec instead of unspec_volatile.
2639 Remove mem:BLK from insn operands. Use Pmode scratch register.
2640 (*memory_barrier): Define as unspec instead of unspec_volatile.
2641 Use (match_dup 0) as input operand.
2643 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2644 Remove mem:BLK from insn operands. Use Pmode scratch register.
2645 Set volatile flag on operand 0.
2646 (*memory_barrier): New insn pattern.
2648 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2650 (*memory_barrier): Use (match_dup 0) as input operand.
2652 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2653 Remove mem:BLK from insn operands. Use Pmode scratch register.
2654 Set volatile flag on operand 0.
2655 (*mb_internal): New insn pattern.
2657 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2659 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2662 * function.c (struct temp_slot): Move to the section of the file
2663 that deals with temp slots. Remove field 'address'.
2664 (temp_slot_address_table): New hash table of address -> temp slot.
2665 (struct temp_slot_address_entry): New struct, items for the table.
2666 (temp_slot_address_compute_hash, temp_slot_address_hash,
2667 temp_slot_address_eq, insert_temp_slot_address): Support functions
2669 (find_temp_slot_from_address): Rewrite to use the new hash table.
2670 (remove_unused_temp_slot_addresses): Remove addresses of temp
2671 slots that have been made available.
2672 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2673 worker function for remove_unused_temp_slot_addresses.
2674 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2675 Add the temp slot address to the address -> temp slot map.
2676 (update_temp_slot_address): Update via insert_temp_slot_address.
2677 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2678 (pop_temp_slots): Likewise.
2679 (init_temp_slots): Allocate the address -> temp slot map, or empty
2680 the map if it is already allocated.
2681 (prepare_function_start): Initialize temp slot processing.
2683 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2686 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2687 Calculate the size of all stack vars assuming no packing of stack
2688 vars will happen, replacing a quadratic algorithm with a linear one.
2690 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2693 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2696 2009-01-03 Diego Novillo <dnovillo@google.com>
2698 * doc/contrib.texi: Update contributions.
2700 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2703 * builtins.c (fold_builtin_memory_op): Give up if either operand
2704 is volatile. Set srctype or desttype to non-qualified version
2708 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2711 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2713 PR rtl-optimization/35805
2714 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2715 problem if fast dce is able to remove any instructions.
2716 * dce.c (dce_process_block): Fix dump message.
2718 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2721 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2723 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2726 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2727 * tree-pretty-print.c (op_code_prio): New function.
2728 (op_prio): No longer static. Use op_code_prio.
2729 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2730 Use op_prio and op_code_prio to determine if () should be
2731 printed around operand(s) or not.
2733 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2734 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2735 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2736 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2737 pp_character instead of pp_string for single letter printing.
2739 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2741 * doc/extend.texi: Fix '#pragma GCC option' typo.
2743 2009-01-02 Richard Guenther <rguenther@suse.de>
2745 * doc/install.texi (--enable-checking): Mention different
2747 (--enable-stage1-checking): Document.
2749 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2752 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2753 case to be an error.
2755 2009-01-02 Ben Elliston <bje@au.ibm.com>
2757 * config/fp-bit.h (pack_d): Constify argument.
2758 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2759 (isnan): Constify argument.
2763 (_fpadd_parts): Constify return type.
2764 (_fpmul_parts): Likewise.
2765 (_fpdiv_parts): Likewise.
2767 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2770 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2771 warn about overwriting initializer with side-effects or
2772 -Woverride-init if !IMPLICIT.
2773 (output_init_element): Likewise. Pass IMPLICIT down to
2775 (process_init_element): Add IMPLICIT argument. Pass it down
2776 to output_init_element.
2777 (push_init_element, pop_init_level, set_designator): Adjust
2778 process_init_element callers.
2779 (set_nonincremental_init, set_nonincremental_init_from_string):
2780 Adjust add_pending_init callers.
2781 (output_pending_init_elements): Adjust output_init_element callers.
2782 * c-tree.h (process_init_element): Adjust prototype.
2783 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2784 process_init_element callers.