1 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
3 PR tree-optimization/39349:
4 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
6 * combine.c (gen_lowpart_for_combine): Use omode when generating
9 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
11 PR rtl-optimization/39235:
12 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
14 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
16 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
18 2009-03-04 Richard Guenther <rguenther@suse.de>
20 PR tree-optimization/39362
21 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
22 that occur in abnormal PHIs should be varying.
24 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
26 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
28 (simple_iv): Take loop as an argument instead of statement.
29 * tree-scalar-evolution.h (simple_iv): Declaration changed.
30 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
32 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
34 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
35 * matrix-reorg.c (analyze_transpose): Ditto.
36 * tree-data-ref.c (dr_analyze_innermost): Ditto.
37 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
38 * tree-predcom.c (ref_at_iteration): Ditto.
39 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
41 2009-03-04 Richard Guenther <rguenther@suse.de>
43 PR tree-optimization/39358
44 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
45 escaped_id and callused_id.
46 (solve_graph): Likewise.
48 2009-03-04 Richard Guenther <rguenther@suse.de>
50 PR tree-optimization/39339
51 * tree-sra.c (try_instantiate_multiple_fields): Make it
52 no longer ICE on the above.
54 2009-03-03 Joseph Myers <joseph@codesourcery.com>
56 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
57 that fits within Pmode.
59 2009-03-03 Steve Ellcey <sje@cup.hp.com>
62 * tm.texi (LIBCALL_VALUE): Update description.
64 2009-03-03 Steve Ellcey <sje@cup.hp.com>
67 * doc/extend.texi (section): Update description.
69 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
72 * tree-inline.c (remapped_type): New.
73 (can_be_nonlocal): Call remapped_type instead of remap_type.
75 2009-03-03 Jakub Jelinek <jakub@redhat.com>
78 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
79 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
81 2009-03-03 Richard Guenther <rguenther@suse.de>
84 * tree.c (tree_nonartificial_location): New function.
85 * tree.h (tree_nonartificial_location): Declare.
86 * builtins.c (expand_builtin_memory_chk): Provide location
87 of the call location for artificial function pieces.
88 (maybe_emit_chk_warning): Likewise.
89 (maybe_emit_sprintf_chk_warning): Likewise.
90 (maybe_emit_free_warning): Likewise.
91 * expr.c (expand_expr_real_1): Likewise.
93 2009-03-03 Jakub Jelinek <jakub@redhat.com>
95 PR tree-optimization/39343
96 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
97 COMPONENT_REF t has ARRAY_TYPE.
99 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
102 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
103 when the type precision of the induction variable should be
104 larger than the type precision of nit.
105 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
106 * graphite.c (graphite_loop_normal_form): Same.
107 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
109 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
111 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
112 (*call_1_rex64_ms_sysv): Use named constants instead of magic
113 numbers to describe clobbbered registers.
114 (*call_value_0_rex64_ms_sysv): Ditto.
115 * config/i386/mmx.md (emms): Ditto.
118 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
120 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
123 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
125 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
126 (spu_section_type_flags): New function.
128 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
130 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
131 reg_class_contents of FLOAT_REGS into a temporary.
133 2009-03-02 Richard Guenther <rguenther@suse.de>
134 Ira Rosen <irar@il.ibm.com>
136 PR tree-optimization/39318
137 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
138 information to the vectorized statement.
140 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
142 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
143 variable. Use defined names instead of magic constants for REX SSE
146 2009-03-01 Richard Guenther <rguenther@suse.de>
148 PR tree-optimization/39331
149 * omp-low.c (lower_send_shared_vars): Do not receive new
150 values for the reference of DECL_BY_REFERENCE parms or results.
152 2009-03-01 Jan Hubicka <jh@suse.cz>
155 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
156 BLOCK_NONLOCALIZED_VAR): New macros.
157 (tree_block): Add nonlocalized_vars.
158 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
159 gen_decl_die): Add origin argument. Allow generation of die with
161 (gen_member_die, gen_type_die_with_usage, force_decl_die,
162 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
164 (gen_block_die): Fix checking for unused blocks.
165 (process_scope_var): Break out from .... ; work with origins only.
166 (decls_for_scope) ... here; process nonlocalized list.
167 (dwarf2out_ignore_block): Look for nonlocalized vars.
168 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
170 (dump_scope_block): Dump them.
171 * tree-inline.c (remap_decls): Handle nonlocalized vars.
172 (remap_block): Likewise.
173 (can_be_nonlocal): New predicate.
174 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
176 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
178 * configure: Regenerate.
180 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
182 * optc-gen.awk: No need to duplicate option flags twice.
183 Reuse help texts for duplicate options which do not have
186 * gcc.c (display_help): Document --version.
188 * gcc.c (main): If print_help_list and verbose_flag, ensure
189 driver output comes before subprocess output.
191 * optc-gen.awk: Assign all remaining fields to help string,
192 space-separated, for multi-line help in *.opt.
194 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
195 -Wno-pedantic-ms-format is for MinGW targets only.
197 * doc/options.texi (Option file format): Fix bad indentation,
198 restoring dropped sentence.
200 2009-02-28 Jan Hubicka <jh@suse.cz>
202 * tree-inline.c (tree_function_versioning): Output debug info.
204 2009-02-28 Jan Hubicka <jh@suse.cz>
207 * tree-inline.c (setup_one_parameter): Do not copy propagate
208 arguments when not optimizing.
210 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
213 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
214 (avx_addsubv4df3): Likewise.
215 (*avx_addsubv4sf3): Likewise.
216 (sse3_addsubv4sf3): Likewise.
217 (*avx_addsubv2df3): Likewise.
218 (sse3_addsubv2df3): Likewise.
219 (avx_unpckhps256): Correct item selectors.
220 (avx_unpcklps256): Likewise.
221 (avx_unpckhpd256): Likewise.
222 (avx_unpcklpd256): Likewise.
224 2009-02-28 Jan Hubicka <jh@suse.cz>
226 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
228 (copy_arguments_for_versioning): If var is declared don't declare it.
229 (tree_function_versioning): First setup substitutions and then copy
232 2009-02-27 Jan Hubicka <jh@suse.cz>
235 * cgraph.h (varpool_output_debug_info): Remove.
236 * cgraphunit.c (varpool_output_debug_info): Remove.
237 * dwarf2out.c (deferred_locations_struct): New struct
238 (deferred_locations): New type.
239 (deferred_locations_list): New static var.
240 (deffer_location): New function.
241 (gen_variable_die): Use it.
242 (decls_for_scope): Output info on local static vars.
243 (dwarf2out_finish): Process deferred locations.
244 * varpool.c (varpool_output_debug_info): Remove.
246 2009-02-27 Jan Hubicka <jh@suse.cz>
249 * tree.h (TREE_PROTECTED): Fix comment.
250 (BLOCK_HANDLER_BLOCK): Remove.
251 (struct tree_block): Remove handler_block add body_block.
252 (inlined_function_outer_scope_p): New.
253 (is_body_block): Remove.
254 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
255 * dwarf2out.c (is_inlined_entry_point): Remove.
256 (add_high_low_attributes): Use inlined_function_outer_scope_p.
257 (gen_block_die): Use is_inlined_entry_point check. Remove body block
259 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
260 * gimplify.c (gimplify_expr): Gimplify body blocks.
261 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
262 block with multiple subblocks.
263 (dump_scope_block): Prettier output; dump more flags and info.
264 (dump_scope_blocks): New.
265 (remove_unused_locals): Use dump_scope_blocks.
266 * tree-flow.h (dump_scope_blocks): Declare.
267 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
268 * stmt.c (is_body_block): Remove.
269 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
270 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
272 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
275 * graphite.c (graphite_loop_normal_form): Do not call
276 number_of_iterations_exit from a gcc_assert.
278 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
280 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
281 jumps if COND is NULL.
282 (find_cond_jump): New function.
283 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
284 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
286 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
288 * config/alpha/alpha.h (alpha_expand_mov): Return false if
289 force_const_mem returns NULL_RTX.
291 2009-02-26 Jan Hubicka <jh@suse.cz>
294 * cgraph.h (varpool_output_debug_info): Remove.
295 * cgraphunit.c (varpool_output_debug_info): Remove.
296 * dwarf2out.c (deferred_locations_struct): New struct
297 (deferred_locations): New type.
298 (deferred_locations_list): New static var.
299 (deffer_location): New function.
300 (gen_variable_die): Use it.
301 (decls_for_scope): Output info on local static vars.
302 (dwarf2out_finish): Process deferred locations.
303 * varpool.c (varpool_output_debug_info): Remove.
305 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
307 PR rtl-optimization/39241
308 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
309 to subreg_offset_representable_p.
311 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
313 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
314 execute function prototype. Get f and nregs from max_reg_num
315 and get_insns. Remove the first backward pass as it's dead,
316 guard the forward pass by flag_expensive_optimizations.
317 (rest_of_handle_regmove): Delete.
318 (pass_regmove): Replace it with regmove_optimize.
320 2009-02-25 Martin Jambor <mjambor@suse.cz>
322 PR tree-optimization/39259
323 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
324 alls_alloca function flags.
325 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
328 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
330 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
331 flags_set_1_rtx, flags_set_1_set): Delete.
332 (regmove_optimize): Do not call mark_flags_life_zones.
334 2009-02-24 Julian Brown <julian@codesourcery.com>
337 * config/arm/arm.c (require_pic_register): Only set
338 cfun->machine->pic_reg once per function.
340 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
342 * doc/invoke.texi (Link Options): Document an easier way to pass
343 options that take arguments to the GNU linker using -Xlinker and -Wl.
345 2009-02-24 Steve Ellcey <sje@cup.hp.com>
348 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
350 2009-02-24 Richard Guenther <rguenther@suse.de>
353 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
355 2009-02-24 Richard Guenther <rguenther@suse.de>
356 Zdenek Dvorak <ook@ucw.cz>
358 PR tree-optimization/39233
359 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
360 from converting them to a generic type.
362 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
364 PR tree-optimization/39260
365 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
366 contains a condition with a real type.
367 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
369 2009-02-23 Jason Merrill <jason@redhat.com>
372 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
373 narrowing_initializer_constant_valid_p.
374 (narrowing_initializer_constant_valid_p): Don't return
375 null_pointer_node for adding a pointer to itself.
377 2009-02-23 Jan Hubicka <jh@suse.cz>
380 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
383 2009-02-23 Jan Hubicka <jh@suse.cz>
385 PR tree-optimization/37709
386 * tree.c (block_ultimate_origin): Move here from dwarf2out.
387 * tree.h (block_ultimate_origin): Declare.
388 * dwarf2out.c (block_ultimate_origin): Move to tree.c
389 * tree-ssa-live.c (remove_unused_scope_block_p):
390 Eliminate blocks containig no instructions nor live variables nor
392 (dump_scope_block): New function.
393 (remove_unused_locals): Enable removal of dead blocks by default;
394 enable dumping at TDF_DETAILS.
396 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
398 * config/i386/i386.c (classify_argument): Don't allow COImode
400 (function_arg_advance_32): Don't allow OImode.
401 (function_arg_32): Likewise.
402 (function_value_32): Likewise.
403 (return_in_memory_32): Likewise.
404 (function_arg_64): Remove OImode comment.
406 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
409 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
410 ix86_expand_vector_set for V4DImode in 64bit mode only.
411 (ix86_expand_vector_init_one_var): Likewise.
413 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
415 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
417 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
420 * loop-iv.c: Revert last change.
421 * emit-rtl.c: Likewise.
423 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
426 * config/i386/i386.c (type_natural_mode): Remove an extra
427 space in the warning message.
428 (function_value_32): Handle 32-byte vector modes.
429 (return_in_memory_32): Likewise.
431 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
433 * loop-iv.c (truncate_value): New function.
434 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
436 (lowpart_subreg): Move to...
437 * emit-rtl.c: ...here.
439 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
441 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
442 accidental and undocumented change at revision 140860.
444 2009-02-21 Joseph Myers <joseph@codesourcery.com>
446 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
447 take gimple_seq * arguments.
448 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
449 types_compatible_p langhook.
451 2009-02-20 Mark Mitchell <mark@codesourcery.com>
452 Joseph Myers <joseph@codesourcery.com>
454 * config/arm/arm.c (arm_builtin_va_list): New function.
455 (arm_expand_builtin_va_start): Likewise.
456 (arm_gimplify_va_arg_expr): Likewise.
457 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
458 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
459 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
460 (va_list_type): New variable.
461 (arm_mangle_type): Mangle va_list_type appropriately.
463 2009-02-20 Jakub Jelinek <jakub@redhat.com>
466 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
467 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
468 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
469 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
470 parameter to 1000 for -O1 by default.
471 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
473 * loop-invariant.c: Include params.h.
474 (move_loop_invariants): Don't call move_single_loop_invariants on
477 2009-02-20 Jaka Mocnik <jaka@xlab.si>
479 * calls.c (emit_library_call_value_1): Use slot_offset instead of
480 offset when calculating bounds for indexing stack_usage_map. Fixes
481 a buffer overflow with certain target setups.
483 2009-02-20 Jakub Jelinek <jakub@redhat.com>
486 * calls.c (expand_call): Clear try_tail_call if caller and callee
487 disagree in promotion of function return value.
489 2009-02-19 Jakub Jelinek <jakub@redhat.com>
492 * c-common.c (c_determine_visibility): If visibility changed and
493 DECL_RTL has been already set, call make_decl_rtl to update symbol
496 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
499 * varasm.c (assemble_variable): Don't check DECL_NAME when
500 globalizing a variable.
502 2009-02-19 Joseph Myers <joseph@codesourcery.com>
505 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
506 expression before any __builtin_trap call.
507 * c-typeck.c (build_function_call): Convert and check function
508 arguments before generating a call to a trap. Evaluate the
509 function arguments before the trap.
511 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
514 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
515 (UNSPEC_FXAM_MEM): New unspec.
516 (fxam<mode>2_i387_with_temp): New insn and split pattern.
517 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
518 memory using fxam<mode>2_i387_with_temp to remove excess precision.
520 2009-02-19 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/39207
523 PR tree-optimization/39074
524 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
525 storedanything_tree): New.
526 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
527 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
528 (build_succ_graph): Add edges from STOREDANYTHING to all
530 (init_base_vars): Initialize STOREDANYTHING.
531 (compute_points_to_sets): Free substitution info after
532 building the succ graph.
533 (ipa_pta_execute): Likewise.
535 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
537 (do_ds_constraint): Do not add to special var or non-pointer
539 (type_could_have_pointers): Split out from ...
540 (could_have_pointers): ... here. For arrays use the element type.
541 (create_variable_info_for): Initialize may_have_pointers.
542 (new_var_info): Likewise.
543 (handle_lhs_call): Make the HEAP variable unknown-sized.
544 (intra_create_variable_infos): Use a type with pointers for
545 PARM_NOALIAS, make it unknown-sized.
547 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
550 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
552 2009-02-18 Jason Merrill <jason@redhat.com>
555 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
556 value if DECL_EXTERNAL.
557 * tree-sra.c (sra_walk_gimple_assign): Likewise.
558 * target.h (gcc_target::binds_local_p): Clarify "module".
559 * tree.h (TREE_PUBLIC): Clarify "module".
561 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
564 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
565 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
567 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
570 * c.opt (Wabi): Support C and ObjC.
573 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
575 * config/i386/i386.c (classify_argument): Warn once about the ABI
576 change when passing union with long double.
578 * doc/invoke.texi: Update -Wabi for warning psABI changes.
580 2009-02-18 Joseph Myers <joseph@codesourcery.com>
583 * c-parser.c (c_parser_compound_statement): Always enter and leave
586 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
589 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
591 2009-02-18 Jakub Jelinek <jakub@redhat.com>
593 PR tree-optimization/36922
594 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
595 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
598 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
600 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
603 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
605 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
607 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
609 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
612 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
613 Richard Sandiford <rdsandiford@googlemail.com>
615 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
616 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
617 (loongson_biadd): ...this.
619 2009-02-17 Richard Guenther <rguenther@suse.de>
621 PR tree-optimization/39202
622 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
623 a var make sure to follow existing collapses.
625 2009-02-17 Richard Guenther <rguenther@suse.de>
628 * langhooks.c (lhd_print_error_function): Check for NULL block.
630 2009-02-17 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/39204
633 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
636 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
638 * config/soft-fp/double.h: Update from glibc CVS.
640 2009-02-17 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/39207
643 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
644 strict-aliasing warnings for pointers pointing to NULL.
646 2009-02-16 Joseph Myers <joseph@codesourcery.com>
649 * c-parser.c (c_parser_braced_init): Call pop_init_level when
650 skipping until next close brace.
652 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
655 * config/i386/i386.c (ix86_expand_push): Set memory alignment
656 to function argument boundary.
658 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
660 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
661 in the lea_add. Reload eventually constraints it properly.
662 * config/picochip/constraints.md : Remove the target constraint
663 "b", since it is not needed anymore.
665 2009-02-16 Jakub Jelinek <jakub@redhat.com>
667 * gthr-dce.h: Uglify function parameter and local variable names.
668 * gthr-gnat.h: Likewise.
669 * gthr-mipssde.h: Likewise.
670 * gthr-nks.h: Likewise.
671 * gthr-posix95.h: Likewise.
672 * gthr-posix.h: Likewise.
673 * gthr-rtems.h: Likewise.
674 * gthr-single.h: Likewise.
675 * gthr-solaris.h: Likewise.
676 * gthr-tpf.h: Likewise.
677 * gthr-vxworks.h: Likewise.
678 * gthr-win32.h: Likewise.
680 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
683 * config/i386/i386.md: Restrict the new peephole2 to move
684 between MMX/SSE registers.
686 2009-02-15 Richard Guenther <rguenther@suse.de>
689 2009-02-13 Richard Guenther <rguenther@suse.de>
691 * configure.ac: Enable LFS.
692 * configure: Re-generate.
693 * config.in: Likewise.
695 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
697 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
698 spu_srqwbyte, spu_srqwbytebc): Define.
699 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
700 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
701 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
702 "shrqby_<mode>"): New insn-and-split patterns.
703 * config/spu/spu.c (expand_builtin_args): Determine and return
704 number of operands using spu_builtin_description data.
705 (spu_expand_builtin_1): Use it.
707 2009-02-13 Steve Ellcey <sje@cup.hp.com>
710 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
713 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
716 * config/i386/i386.c (override_options): Correct warning
717 messages for -malign-loops, -malign-jumps and -malign-functions.
719 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
722 * config/i386/i386.md: Restrict the new peephole2 to move
723 between the general purpose registers.
725 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
728 * config/i386/i386.c (type_natural_mode): Add a new argument.
729 Return the original mode and warn ABI change if vector size is 32byte.
730 (function_arg_advance): Updated.
731 (function_arg): Likewise.
732 (ix86_function_value): Likewise.
733 (ix86_return_in_memory): Likewise.
734 (ix86_sol10_return_in_memory): Likewise.
735 (ix86_gimplify_va_arg): Likewise.
736 (function_arg_32): Don't warn ABX ABI change here.
737 (function_arg_64): Likewise.
739 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
741 * loop-iv.c (implies_p): In the final case, test that operands 0
742 of the two comparisons match.
744 * config/bfin/bfin.c (find_prev_insn_start): New function.
745 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
746 (find_next_insn_start): Move.
748 2009-02-13 Richard Guenther <rguenther@suse.de>
750 * configure.ac: Enable LFS.
751 * configure: Re-generate.
752 * config.in: Likewise.
754 2009-02-13 Joseph Myers <joseph@codesourcery.com>
757 * c-parser.c (c_parser_parms_list_declarator): Discard pending
758 sizes on syntax error after some arguments have been parsed.
760 2009-02-12 Jakub Jelinek <jakub@redhat.com>
762 * doc/invoke.texi (-fira): Remove.
764 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
766 * caller-save.c: Replace regclass.c with reginfo.c in comments.
770 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
772 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
773 (umul_ppmm): Likewise.
774 (count_leading_zeros): Likewise.
775 (count_trailing_zeros): Likewise.
776 (UMUL_TIME): Likewise.
778 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
780 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
781 soft-fp/t-softfp to tmake_file.
783 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
784 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
785 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
786 IA64_BUILTIN_INFQ]: New.
787 (ia64_init_builtins): Initialize __builtin_infq,
788 __builtin_fabsq and __builtin_copysignq if not HPUX.
789 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
790 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
792 * config/ia64/lib1funcs.asm (__divtf3): Define only if
794 (__fixtfti): Likewise.
795 (__fixunstfti): Likewise.
796 (__floattitf): Likewise.
798 * config/ia64/libgcc-glibc.ver: New.
799 * config/ia64/t-fprules-softfp: Likewise.
800 * config/ia64/sfp-machine.h: Likewise.
802 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
803 (LIBGCC2_TF_CEXT): Likewise.
805 (TARGET_INIT_LIBFUNCS): Likewise.
807 * config/ia64/t-glibc (SHLINB_MAPFILES):
808 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
810 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
812 * config/i386/i386.c (construct_container): Rewrite processing
813 BLKmode with X86_64_SSE_CLASS.
815 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
818 * config/i386/i386.md: Replace simplify_replace_rtx with
819 replace_rtx in the new peephole2.
821 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
823 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
824 loop unrolling do not happen at -O2.
826 2009-02-12 Michael Matz <matz@suse.de>
828 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
830 2009-02-12 Jakub Jelinek <jakub@redhat.com>
832 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
835 2009-02-12 Ben Elliston <bje@au.ibm.com>
837 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
838 patterns when updating the back chain. Missed in the 2009-02-10
841 2009-02-11 Janis Johnson <janis187@us.ibm.com>
843 * doc/extend.texi (Decimal Floating Types): Update identifier of
844 draft TR and list of missing support.
846 2009-02-11 Jakub Jelinek <jakub@redhat.com>
849 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
850 bit to variable length decl's flags, add it also to its
851 pointer replacement variable.
853 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
854 Jakub Jelinek <jakub@redhat.com>
857 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
858 (memory_blockage): New expander.
859 (*memory_blockage): New insn pattern.
860 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
861 instead of general blockage at the end of function prologue when
862 frame pointer is used to access red zone area. Do not emit blockage
863 when profiling, it is emitted in generic code.
864 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
865 function epilogue when frame pointer is used to access red zone area.
867 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
870 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
871 by arithmetic with memory operands.
872 * config/i386/predicates.md (commutative_operator): New.
874 2009-02-10 Janis Johnson <janis187@us.ibm.com>
876 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
879 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
881 * alias.h (record_alias_subset): Declare.
882 * alias.c (record_alias_subset): Make global.
884 2009-02-10 Nick Clifton <nickc@redhat.com>
886 * tree-parloops.c: Change license to GPLv3.
887 * ipa-struct-reorg.c: Change license to GPLv3.
888 * ipa-struct-reorg.h: Change license to GPLv3.
890 2009-02-10 Steve Ellcey <sje@cup.hp.com>
893 * c-decl.c (start_struct): Return NULL on error.
895 2009-02-10 Jakub Jelinek <jakub@redhat.com>
898 * cfgloopmanip.c (remove_path): Call remove_bbs after
899 cancel_loop_tree, not before it.
902 * function.h (struct function): Add has_local_explicit_reg_vars bit.
903 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
905 * tree-ssa-live.c (remove_unused_locals): Recompute
906 cfun->has_local_explicit_reg_vars.
907 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
908 copies or clearings if cfun->has_local_explicit_reg_vars.
910 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
913 * config/i386/i386.c (expand_prologue): Emit blockage at the end
914 of function prologue when frame pointer is used to access
917 2009-02-10 Richard Guenther <rguenther@suse.de>
920 * gimplify.c (gimple_regimplify_operands): Always look if
921 we need to create a temporary.
923 2009-02-10 Richard Guenther <rguenther@suse.de>
925 PR tree-optimization/39132
926 * tree-loop-distribution.c (todo): New global var.
927 (generate_memset_zero): Trigger TODO_rebuild_alias.
928 (tree_loop_distribution): Return todo.
930 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
933 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
934 (x86_64_reg_class_name): Removed.
935 (classify_argument): Return 0 if bytes > 32. Return 0 if the
936 first one isn't X86_64_SSE_CLASS or any other ones aren't
937 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
938 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
939 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
940 and 3 X86_64_SSEUP_CLASS.
941 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
942 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
944 2009-02-10 Ben Elliston <bje@au.ibm.com>
946 * config/rs6000/rs6000.md (allocate_stack): Always use an update
947 form instruction to update the stack back chain word, even if the
948 user has disabled the generation of update instructions.
949 (movdi_<mode>_update_stack): New.
950 (movsi_update_stack): Likewise.
951 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
952 always use an update form instruction to update the stack back
955 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
958 * graphite.c (if_region_set_false_region): After moving a region in
959 the false branch of a condition, remove the empty dummy basic block.
960 (gloog): Remove wrong fix for PR38953.
962 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
964 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
965 generation due to implicit sign extension.
967 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
970 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
971 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
973 2009-02-09 Richard Guenther <rguenther@suse.de>
976 * convert.c (convert_to_real): Disable (float)fn((double)x)
977 to fnf(x) conversion if errno differences may occur and
980 2009-02-07 Anatoly Sokolov <aesok@post.ru>
982 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
983 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
984 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
986 2009-02-06 Joseph Myers <joseph@codesourcery.com>
989 * c-common.c (handle_alias_attribute): Disallow attribute for
990 anything not a FUNCTION_DECL or VAR_DECL.
992 2009-02-06 Janis Johnson <janis187@us.ibm.com>
995 * real.c (do_compare): Special-case compare of zero against
998 2009-02-06 Joseph Myers <joseph@codesourcery.com>
1001 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1002 as indicating flexible array members unless the field itself is
1003 being declarared as the incomplete array.
1005 2009-02-06 Jan Hubicka <jh@suse.cz>
1007 PR tree-optimization/38844
1008 * ipa-inline.c (try_inline): Stop inlining recursion when edge
1011 2009-02-06 Richard Guenther <rguenther@suse.de>
1014 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1015 fork because we may expand it as __gcov_fork.
1017 2009-02-06 Nick Clifton <nickc@redhat.com>
1019 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1021 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
1023 PR tree-optimization/35659
1024 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1025 vn_phi_eq): Shortcut if hashcode does not match.
1026 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1028 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1029 and avoid iterative_hash_expr.
1030 (FOR_EACH_VALUE_ID_IN_SET): New.
1031 (value_id_compare): Remove.
1032 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1033 sort expressions by value id.
1035 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
1038 * config/sh/predicates.md (general_movsrc_operand): Don't check
1039 the subreg of system registers here.
1041 2009-02-05 Jakub Jelinek <jakub@redhat.com>
1044 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1047 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
1049 PR rtl-optimization/39110
1050 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1051 addresses, not aligned ones.
1053 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
1054 Richard Guenther <rguenther@suse.de>
1056 PR tree-optimization/39100
1057 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1058 comment says and add edges.
1060 2009-02-05 Joseph Myers <joseph@codesourcery.com>
1063 * c-common.c (handle_tls_model_attribute): Ignore attribute for
1064 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1066 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
1068 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1069 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1070 register_bb_in_sese, new_sese, free_sese): Moved.
1071 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1072 outermost_loop_in_scop, build_scop_iteration_domain,
1073 expand_scalar_variables_ssa_name, get_vdef_before_scop,
1074 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1075 Use loop_in_sese_p instead of loop_in_scop_p.
1076 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1077 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1078 (scopdet_basic_block_info): Fix bug in scop detection.
1079 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1080 eq_loop_to_cloog_loop): Remove.
1081 (nb_loops_around_loop_in_scop, nb_loop
1082 ref_nb_loops): Moved here...
1083 * graphite.h (ref_nb_loops): ... from here.
1084 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1085 (loop_domain_dim, loop_iteration_vector_dim): Remove.
1086 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1087 * testsuite/gcc.dg/graphite/scop-19.c: New
1089 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
1090 Hans-Peter Nilsson <hp@axis.com>
1092 PR rtl-optimization/37889
1093 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1094 Move offset handling from PLUS to before the switch. Use new
1095 arguments when considering SYMBOL_REFs too.
1096 (rtx_addr_can_trap_p): Pass dummy offset and size.
1097 (enum may_trap_p_flags): Remove.
1098 (may_trap_p_1): Pass size from MEM_SIZE.
1100 PR rtl-optimization/38921
1101 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1102 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1103 * rtlanal.c (may_trap_after_code_motion_p): Delete.
1104 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1106 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
1108 AVX Programming Reference (January, 2009)
1109 * config/i386/sse.md (*vpclmulqdq): New.
1111 2009-02-04 Jakub Jelinek <jakub@redhat.com>
1113 PR tree-optimization/38977
1114 PR gcov-profile/38292
1115 * calls.c (special_function_p): Disregard __builtin_ prefix.
1117 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
1119 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1120 non-indexable addresses even before reload.
1122 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1125 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1126 as having variable size. Do not give an error for unnamed
1127 parameters with [*] declarators. Give a warning for type names
1128 with [*] declarators and mark them as variable size.
1129 * c-parser.c (c_parser_sizeof_expression): Do not give an error
1130 for sizeof applied to [*] type names.
1132 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1135 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1137 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1139 * gcc.c (process_command): Update copyright notice dates.
1140 * gcov.c (print_version): Likewise.
1141 * gcov-dump.c (print_version): Likewise.
1142 * mips-tfile.c (main): Likewise.
1143 * mips-tdump.c (main): Likewise.
1145 2009-02-03 Joseph Myers <joseph@codesourcery.com>
1148 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1149 for composite type involving a zero-length array type.
1151 2009-02-03 Jakub Jelinek <jakub@redhat.com>
1154 * function.c (match_asm_constraints_1): Skip over
1155 initial optional % in the constraint.
1158 * c-parser.c (c_parser_postfix_expression): If fixed point is not
1159 supported, don't accept FIXED_CSTs.
1160 * c-decl.c (finish_declspecs): Error if fixed point is not supported
1161 and _Sat is used without _Fract/_Accum. Set specs->type to
1162 integer_type_node for cts_fract/cts_accum if fixed point is not
1165 2009-02-02 Catherine Moore <clm@codesourcery.com>
1167 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1169 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
1171 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1172 (ABI_HAS_64BIT_SYMBOLS): Use it.
1173 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1175 2009-02-02 Paul Brook <paul@codesourcery.com>
1177 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1179 2009-02-02 Jakub Jelinek <jakub@redhat.com>
1182 * recog.h (asm_operand_ok): Add constraints argument.
1183 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
1184 recurse on matching constraint.
1185 (check_asm_operands): Pass constraints as 3rd argument to
1186 asm_operand_ok. Don't look up matching constraint here.
1187 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1190 2009-02-02 Ben Elliston <bje@au.ibm.com>
1192 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1193 TARGET_NARROW_VOLATILE_BITFIELD macro names.
1195 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1197 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1198 information. Remove some obsolete information. Reorganize.
1200 * config/pa/fptr.c: Revert license to GPL 2.
1201 * config/pa/milli64.S: Likewise.
1203 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1206 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
1207 LIBRARY name in, instead of hard-coding it.
1208 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
1209 extra target make frag to tmake_files according to EH model.
1210 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1211 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
1212 frags that define makefile variable EH_MODEL appropriately.
1213 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
1214 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
1215 to "-sjlj" according to type of EH configured.
1216 (LIBGCC_SONAME): Concatenate it to shared library base name.
1217 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
1218 to "_sjlj" according to type of EH configured.
1219 (LIBGCC_SONAME): Concatenate it to shared library base name.
1220 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
1221 (SHLIB_LINK): Add missing semicolon to if-else construct.
1222 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1223 string value of "pe_dll" command-line option.
1224 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
1225 (SHLIB_SONAME): Use it when overriding t-cygming default.
1226 (SHLIB_IMPLIB): Override t-cygming default.
1227 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
1228 string value of "pe_dll" command-line option.
1230 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
1233 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1234 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1236 2009-01-31 Richard Guenther <rguenther@suse.de>
1238 PR tree-optimization/38937
1239 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1240 computing the transitive closure.
1242 2009-01-30 Richard Guenther <rguenther@suse.de>
1244 PR tree-optimization/39041
1245 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1246 Propagate variable indices only if the types match for this stmt.
1248 2009-01-30 Jakub Jelinek <jakub@redhat.com>
1251 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1252 inline but never defined.
1254 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
1256 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1257 (*insv_h_di_reg_extimm): New insn.
1258 (*insv_l<mode>_reg_extimm): New insn.
1260 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1262 * config/picochip/picochip.c (flag_conserve_stack): set
1263 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1264 fconserve-stack. Reduce call-overhead used by inliner.
1266 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1269 * common.opt (flag_conserve_stack): Initialised to zero.
1271 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
1274 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1275 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1278 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
1280 * ira-color.c (allocno_reload_assign): Update comments.
1281 * regmove.c (regmove_optimize): Likewise.
1285 2009-01-29 Robert Millan <rmh@aybabtu.com>
1287 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1288 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
1289 `MD_UNWIND_SUPPORT'.
1290 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1292 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
1294 PR tree-optimization/39007
1295 * tree-loop-distribution.c (generate_builtin): Use
1296 recompute_dominator to compute the immediate dominator of the
1297 basic block just after the loop.
1299 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1301 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1302 (ASM_OUTPUT_DWARF_PCREL): Define.
1304 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
1306 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1307 * doc/passes.texi: Remove entries about regclass, local-alloc, and
1308 global. Modify entries about regmove and IRA.
1310 * ra-conflict.c: Remove the file.
1312 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1314 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1315 (pass_regclass_init): Rename to pass_reginfo_init.
1317 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1319 * toplev.h (flag_ira): Remove.
1321 * caller-save.c (setup_save_areas): Remove flag_ira.
1323 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1325 * global.c: Remove the file.
1327 * opts.c: (decode_options): Remove flag_ira.
1329 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1331 * regmove.c: Modify file description.
1332 (find_use_as_address, try_auto_increment): Define them only if
1333 AUTO_INC_DEC is defined.
1334 (replacement_quality, replace_in_call_usage, fixup_match_1,
1335 stable_and_no_regs_but_for_p): Remove.
1336 (reg_set_in_bb): Make it static.
1337 (regmove_optimize): Remove flag_ira and code which worked for
1340 * local-alloc.c: Remove the file.
1342 * common.opt (fira): Remove.
1344 * ira.c: Include except.h.
1345 (eliminable_regset): Move from global.c.
1346 (mark_elimination): Ditto. Remove flag_ira.
1347 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1348 equiv_mem_modified, validate_equiv_mem_from_store,
1349 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1350 contains_replace_regs, memref_referenced_p, memref_used_between_p,
1351 no_equiv, recorded_label_ref): Move from local-alloc.c.
1352 (update_equiv_regs): Ditto. Make it static.
1353 (print_insn_chain, print_insn_chains): Move it from global.c.
1354 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
1355 (build_insn_chain): Ditto. Make it static.
1356 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
1357 Rename to init_live_subregs.
1358 (gate_ira): Remove flag_ira.
1360 * regclass.c: Rename reginfo.c. Change file description.
1361 (FORBIDDEN_INC_DEC_CLASSES): Remove.
1362 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1363 (init_reg_sets_1): Remove code for evaluation of
1364 reg_class_superclasses and losing_caller_save_reg_set.
1365 (init_regs): Remove init_reg_autoinc.
1366 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1367 ok_for_base_p_nonstrict): Remove.
1368 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
1369 (pass_regclass_init): Rename to pass_reginfo_init. Modify
1370 corresponding entries.
1371 (dump_regclass, record_operand_costs, scan_one_insn,
1372 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1373 record_address_regs, auto_inc_dec_reg_p): Remove.
1374 (gt-regclass.h): Rename to gt-reginfo.h.
1376 * rtl.h (dump_global_regs, retry_global_alloc,
1377 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1379 * Makefile.in (RA_H): Remove.
1380 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1381 Rename regclass.o to reginfo.o.
1382 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
1384 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1385 (GTFILES): Rename regclass.c to reginfo.c.
1387 * passes.c (init_optimization_passes): Remove pass_local_alloc and
1388 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
1390 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1391 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1393 (finish_spills): Ditto. Remove code for !flag_ira.
1395 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1398 * doc/invoke.texi (rtl debug options): Complete rewrite.
1399 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1401 * mode-switching.c (pass_mode_switching): Rename pass from
1402 "mode-sw" to "mode_sw".
1403 * except.c (pass_convert_to_eh_ranges): Rename pass from
1404 "eh-ranges" to "eh_ranges".
1405 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1409 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
1410 Alexander Monakov <amonakov@ispras.ru>
1413 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1415 (move_exprs_to_boundary): Change return type and pass through
1416 should_move from move_op. Relax assert. Update usage ...
1417 (schedule_expr_on_boundary): ... here. Use should_move instead of
1419 (move_op_orig_expr_found): Indicate that insn was disconnected from
1421 (code_motion_process_successors): Do not call after_merge_succs
1422 callback if original expression was not found when traversing any of
1424 (code_motion_path_driver): Change return type. Update prototype.
1425 (move_op): Update comment. Add a new parameter (should_move). Update
1426 prototype. Set *should_move based on indication provided by
1427 move_op_orig_expr_found.
1429 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
1431 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1432 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1433 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1434 * config/rs6000/rs6000.c (rs6000_override_options): Default
1435 avoid-indexed-addresses on for Power6, off for everything else.
1436 (avoiding_indexed_address_p): New function.
1437 (rs6000_legitimize_address): Use it.
1438 (rs6000_legitimate_address): Likewise.
1439 * config/rs6000/rs6000.md (movXX_updateX): Likewise
1441 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
1443 PR tree-optimization/38997
1444 * tree-loop-distribution.c (generate_memset_zero): Use
1445 POINTER_PLUS_EXPR for a pointer addition.
1447 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
1449 * config/s390/s390.md (bswap<mode>2): New pattern added.
1451 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1453 * config/s390/s390.md (*tls_load_31): Added type attribute.
1455 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1457 * config/s390/s390.md: Fix a few comments.
1459 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
1461 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1462 (*tm<mode>_full): Fixed z10prop attribute.
1463 (*tst<mode>_extimm): Fixed z10prop attribute.
1464 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1465 (*tstqiCCT_cconly): Fixed z10prop attribute.
1466 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1467 (*movsi_larl): Fixed z10prop attribute.
1468 (*movsi_zarch): Fixed z10prop attribute.
1469 (*movsi_eas): Fixed z10prop attribute.
1470 (*movhi): Fixed z10prop attribute.
1471 (*movqi): Fixed z10prop attribute.
1472 (*movstrictqi): Fixed z10prop attribute.
1473 (*mov<mode>): Fixed z10prop attribute.
1474 (*movcc): Fixed z10prop attribute.
1475 (*sethighpartdi_64): Fixed z10prop attribute.
1476 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1477 (*negdi2_sign_cc): Fixed z10prop attribute.
1478 (*negdi2_sign): Fixed z10prop attribute.
1479 (*absdi2_sign_cc): Fixed z10prop attribute.
1480 (*absdi2_sign): Fixed z10prop attribute.
1481 (*negabsdi2_sign_cc): Fixed z10prop attribute.
1482 (*negabsdi2_sign): Fixed z10prop attribute.
1483 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1484 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1485 (doloop_si64): Fixed z10prop attribute.
1486 (doloop_si31): Fixed z10prop attribute.
1487 (doloop_long): Fixed z10prop attribute.
1488 (indirect_jump): Fixed z10prop attribute.
1489 (nop): Fixed z10prop attribute.
1490 (main_base_64): Fixed z10prop attribute.
1491 (reload_base_64): Fixed z10prop attribute.
1493 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1495 PR rtl-optimization/38740
1496 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1498 * config/mips/mips.c (mips_reorg): Likewise.
1500 2009-01-28 Richard Guenther <rguenther@suse.de>
1502 PR tree-optimization/38926
1503 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1504 with the correct value id to a value.
1505 (do_regular_insertion): Use the value number of edoubleprime
1506 for the value number of the expr.
1509 2008-08-21 Richard Guenther <rguenther@suse.de>
1511 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1512 a PHI ask VN if it is already available.
1513 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1514 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1516 2009-01-28 Jakub Jelinek <jakub@redhat.com>
1519 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1520 set to varying whenever max has TREE_OVERFLOW set, similarly
1521 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1523 2009-01-28 Richard Guenther <rguenther@suse.de>
1526 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1527 uninitialized aggregate uses in call arguments.
1529 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
1531 PR tree-optimization/38984
1532 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1533 the nothing_id variable if -fno-delete-null-pointer-checks.
1535 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
1538 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1539 (set_got_offset_rex64): Ditto.
1541 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
1544 * doc/extend.texi: Improve local variable with asm reg.
1546 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
1548 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1549 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1550 was not supplied then set warn_packed_bitfield_compat to the
1552 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1555 2009-01-27 Richard Guenther <rguenther@suse.de>
1557 PR tree-optimization/38503
1558 * cfgexpand.c (expand_gimple_basic_block): Ignore
1559 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1560 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1561 variables that cannot have TBAA applied.
1562 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1565 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
1568 * calls.c (initialize_argument_information): Do not wrap complex
1569 arguments in SAVE_EXPR.
1571 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
1573 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1574 (INSTALL_LIBGCC): Revert typo commit.
1576 2009-01-26 Richard Guenther <rguenther@suse.de>
1578 PR tree-optimization/38745
1579 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1580 from special handling.
1582 2009-01-26 Richard Guenther <rguenther@suse.de>
1584 PR tree-optimization/38745
1585 * tree-ssa.c (execute_update_addresses_taken): Do not include
1586 variables that cannot possibly be a register in not_reg_needs.
1587 Do not clear TREE_ADDRESSABLE on vars that may not become
1589 * tree-ssa.c (update_alias_info_1): Include those in the set
1590 of addressable vars.
1592 2009-01-26 Richard Guenther <rguenther@suse.de>
1595 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1596 * tree-ssa-dse.c: Include langhooks.h
1597 (execute_simple_dse): Remove stores with zero size.
1599 2009-01-24 Jakub Jelinek <jakub@redhat.com>
1602 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1605 2009-01-24 Julian Brown <julian@codesourcery.com>
1607 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1608 config/arm/linux-atomic.c.
1609 * config/arm/linux-atomic.c: New.
1611 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
1613 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1614 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1615 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1617 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
1620 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1623 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
1625 PR tree-optimization/38953
1626 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1627 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1628 (gloog): Split the exit of the scop when the scop exit is a loop exit.
1629 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1632 2009-01-24 Paul Brook <paul@codesourcery.com>
1634 * config/arm/neon.md (neon_type): Move to arm.md.
1635 (neon_mov<VSTRUCT>): Add neon_type attribute.
1636 * config/arm/arm.md (neon_type): Move to here.
1637 (conds): Add "unconditioal" and use as default for NEON insns.
1639 2009-01-24 Ben Elliston <bje@au.ibm.com>
1641 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1642 void *' warning from -Wc++-compat.
1643 * Makefile.in (dominance.o-warn): Remove.
1645 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
1647 PR tree-optimization/38932
1648 * fold-const.c (fold_unary_ignore_overflow): New.
1649 * tree.h (fold_unary_ignore_overflow): Declare.
1650 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1651 * tree-ssa-sccvn.c (visit_reference_op_load,
1652 simplify_unary_expression): Likewise.
1654 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
1656 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1657 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
1658 regardless of their type.
1659 * c-common.c (handle_packed_attribute): Don't ignore packed on
1661 * c.opt (Wpacked-bitfield-compat): New warning option.
1662 * stor-layout.c (place_field): Warn if offset of a field changed.
1663 * doc/extend.texi (packed): Mention the ABI change.
1664 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1665 (Warning Options): Add it to the list.
1667 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
1669 * c-opts.c (c_common_post_options): Fix a typo in comments.
1671 2009-01-22 Steve Ellcey <sje@cup.hp.com>
1674 * gimplify.c (gimplify_init_constructor): Fix promotion of const
1675 variables to static.
1676 * doc/invoke.texi (-fmerge-all-constants): Update description.
1678 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
1681 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1682 (*movdi_1_rex64): Use type "mmx" for alternative 5.
1684 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
1686 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1688 (LOCAL_ALIGNMENT): Similarly.
1690 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1691 Joseph Myers <joseph@codesourcery.com>
1693 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1694 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1695 * config/arm/arm-tune.md: Regenerate.
1696 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1699 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
1701 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1702 version number to five.
1704 2009-01-22 Dodji Seketeli <dodji@redhat.com>
1707 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1708 * c-common.c (set_underlying_type): Likewise.
1709 (is_typedef_decl ): Likewise
1711 (set_underlying_type): Likewise.
1712 (is_typedef_type): Likewise.
1714 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
1717 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1720 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
1723 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
1724 (LIBGCC_SPEC): Don't define.
1725 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
1727 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
1729 PR rtl-optimization/38879
1730 * alias.c (base_alias_check): Unaligned access via AND address can
1731 alias all surrounding object types except those with sizes equal
1732 or wider than the size of unaligned access.
1734 2009-01-21 Dodji Seketeli <dodji@redhat.com>
1737 * c-decl.c: (clone_underlying_type): Move this ...
1738 * c-common.c (set_underlying_type): ... here.
1739 Also, make sure the function properly sets TYPE_STUB_DECL() on
1740 the newly created typedef variant type.
1741 (is_typedef_decl ): New entry point.
1742 * tree.h: Added a new member member_types_needing_access_check to
1743 struct tree_decl_non_common.
1744 (set_underlying_type): New entry point.
1745 (is_typedef_type): Likewise.
1747 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
1749 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1750 Check whether two instructions have memory references that
1751 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
1752 are helper functions for traversing.
1753 * alias.h (insn_alias_sets_confilict_p): New prototypes.
1754 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1755 not to draw dependency edge for instructions with non-conflicting
1758 2009-01-20 Joseph Myers <joseph@codesourcery.com>
1761 * longlong.h: Update copyright years. Use soft-fp license notice.
1762 Sync __clz_tab declaration with glibc.
1764 2009-01-20 Steve Ellcey <sje@cup.hp.com>
1767 * doc/extend.texi (syscall_linkage): New.
1768 (version_id): Modify.
1770 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1771 Richard Guenther <rguenther@suse.de>
1773 PR tree-optimization/38747
1774 PR tree-optimization/38748
1775 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1776 conversion if the base address is an indirect reference and the
1777 aliasing sets could cause issues.
1779 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1781 * common.opt (fgraphite, fgraphite-identity): Add comment for
1782 explaining why these options are not documented.
1784 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
1786 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1787 gimple_call_lhs is NULL.
1789 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
1792 * emit-rtl.c (adjust_address_1): Make sure memref is never
1795 2009-01-20 Ben Elliston <bje@au.ibm.com>
1797 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1798 const qualifier from arg parameter. Remove unnecessary cast to char *.
1799 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1800 const qualifier from arg 2.
1802 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1804 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1806 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
1809 * rtl.h (reinit_regs): New prototype.
1810 * regclass.c: Include ira.h.
1812 * Makefile.in (regclass.o): Add ira.h.
1813 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1815 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
1818 * c-common.c (handle_aligned_attribute): Use
1819 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1820 default alignment value.
1822 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1824 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1825 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1827 * doc/extend.texi: Update __attribute__ ((aligned)). Document
1828 __BIGGEST_ALIGNMENT__.
1830 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1832 2009-01-18 Richard Guenther <rguenther@suse.de>
1834 PR tree-optimization/38819
1835 * tree-flow.h (operation_could_trap_helper_p): Declare.
1836 * tree-eh.c (operation_could_trap_helper_p): Export.
1837 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1838 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1839 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1840 are about to insert a possibly trapping instruction and fail
1843 2009-01-18 Andreas Schwab <schwab@suse.de>
1845 * doc/install.texi (Configuration): Remove obsolete paragraph
1846 about use of --with-gnu-ld with --with-gnu-as.
1848 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
1850 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1851 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1852 Follow spelling conventions.
1854 2009-01-18 Ben Elliston <bje@au.ibm.com>
1856 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1857 C++ warning about implicit conversion from void * to struct
1859 (bitmap_obstack_free): Likewise for bitmap_element *.
1860 * Makefile.in (bitmap.o-warn): Remove.
1862 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
1864 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
1866 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
1867 Tobias Grosser <tobi.grosser@amd.com>
1869 * graphite.c (graphite_trans_scop_block): Do not block single
1872 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
1874 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
1875 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
1876 test with assertion.
1878 2009-01-16 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/38835
1882 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
1883 and INT + PTR -> (INT)(PTR p+ INT) folding.
1884 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
1886 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
1889 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
1890 the subreg from a lowpart subreg if it is also casting the value.
1892 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1893 Tobias Grosser <tobi.grosser@amd.com>
1895 * graphite.c (compare_prefix_loops): New.
1896 (build_scop_canonical_schedules): Rewritten.
1897 (graphite_transform_loops): Move build_scop_canonical_schedules
1898 after build_scop_iteration_domain.
1900 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
1901 Tobias Grosser <tobi.grosser@amd.com>
1903 * graphite.c (add_conditions_to_domain): Add the loops to
1904 the dimension of the iteration domain. Do copy the domain
1905 only when it exists.
1906 (build_scop_conditions_1): Do not call add_conditions_to_domain.
1907 (add_conditions_to_constraints): New.
1908 (can_generate_code_stmt, can_generate_code): Removed.
1909 (gloog): Do not call can_generate_code.
1910 (graphite_transform_loops): Call add_conditions_to_constraints
1911 after building the iteration domain.
1913 2009-01-16 Jakub Jelinek <jakub@redhat.com>
1915 PR tree-optimization/38789
1916 * tree-ssa-threadedge.c
1917 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1918 __builtin_constant_p.
1920 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
1922 * dce.c (delete_unmarked_insns): Reversed the order that insns are
1923 examined before deleting them.
1925 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
1927 * function.c (aggregate_value_p): Correctly extract the function
1928 type from CALL_EXPR_FN lookup.
1930 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1932 * config/picochip/picochip.c (picochip_override_options): Revert
1933 CFI asm flag disable commited previously.
1935 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
1936 Tobias Grosser <tobi.grosser@amd.com>
1937 Jan Sjodin <jan.sjodin@amd.com>
1939 * graphite.c (scan_tree_for_params): On substractions negate
1940 all the coefficients of the term.
1941 (clast_to_gcc_expression_red): New. Handle reduction expressions
1942 of more than two operands.
1943 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
1944 (get_vdef_before_scop): Handle also the case of default definitions.
1946 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1948 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
1949 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
1950 Also use them when walking CALL_INSN_FUNCTION_USAGE.
1952 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
1953 Joey Ye <joey.ye@intel.com>
1956 * cfgexpand.c (expand_stack_alignment): Don't update stack
1957 boundary nor check incoming stack boundary here.
1958 (gimple_expand_cfg): Update stack boundary and check incoming
1959 stack boundary here.
1961 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
1963 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
1965 2009-01-14 Jakub Jelinek <jakub@redhat.com>
1967 PR rtl-optimization/38245
1968 * calls.c (expand_call): Add stack arguments to
1969 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1970 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
1971 in regs and partially in memory or BLKmode arguments.
1972 (emit_library_call_value_1): Add stack arguments to
1973 CALL_INSN_FUNCTION_USAGE even for pure calls (when
1974 ACCUMULATE_OUTGOING_ARGS).
1975 * dce.c: Include tm_p.h.
1976 (find_call_stack_args): New function.
1977 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
1979 (mark_insn): Call find_call_stack_args for CALL_Ps.
1980 (prescan_insns_for_dce): Walk insns backwards in bb rather than
1981 forwards. Allocate and free arg_stores bitmap if needed, pass it
1982 down to deletable_insn_p, don't mark stores set in arg_stores
1983 bitmap, clear the bitmap at the beginning of each bb.
1984 * Makefile.in (dce.o): Depend on $(TM_P_H).
1986 2009-01-14 Michael Meissner <gnu@the-meissners.org>
1989 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
1990 to make sure the insn is a conditional test (bug 22599). Reformat a
1993 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
1996 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
1997 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
1998 (gloog): Do not call cleanup_tree_cfg.
1999 (graphite_transform_loops): Call cleanup_tree_cfg after all
2000 scops have been code generated.
2002 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
2003 * doc/gty.texi (Invoking the garbage collector): Added new node
2004 and section documenting ggc_collect.
2006 2009-01-14 Richard Guenther <rguenther@suse.de>
2008 PR tree-optimization/38826
2010 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2011 initialization notes only if we actually emitted a warning.
2012 (intra_create_variable_infos): Add constraints for a result decl
2013 that is passed by hidden reference.
2014 (build_pred_graph): Mark all related variables non-direct on
2017 2009-01-14 Nick Clifton <nickc@redhat.com>
2019 * ira-conflicts.c: Include addresses.h for the definition of
2021 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2022 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2024 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
2027 * Makefile.in (ira-lives.o): Add except.h.
2029 * ira-lives.c: Include except.h.
2030 (process_bb_node_lives): Process can_throw_internal.
2032 2009-01-13 Jakub Jelinek <jakub@redhat.com>
2034 PR rtl-optimization/38774
2035 * combine.c (simplify_set): When undoing cc_use change, don't do
2036 PUT_CODE on the newly created comparison, but instead put back the
2039 2009-01-13 Joseph Myers <joseph@codesourcery.com>
2041 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2042 values. Remove duplicate arm8 entry.
2044 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2046 PR tree-optimization/38786
2047 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2048 the SSA_NAME case of expand_scalar_variables_expr.
2049 Set the type of an expression to the type of its assign statement.
2050 (expand_scalar_variables_expr): Also gather the scalar computation
2051 used to index the memory access. Do not pass loop_p.
2052 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
2053 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2054 the gimple_stmt_iterator where it inserts new code.
2056 (copy_bb_and_scalar_dependences): Do not pass loop_p.
2057 (translate_clast): Update call to copy_bb_and_scalar_dependences.
2059 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
2061 * graphite.h (debug_value): Removed.
2062 * graphite.c (debug_value): Removed.
2064 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2066 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2067 ldrd/strd with two 32-bit instructions.
2069 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
2071 * config/arm/arm.c (struct processors): Pass for speed down into
2072 cost helper functions.
2073 (const_ok_for_op): Handle COMPARE and inequality nodes.
2074 (arm_rtx_costs_1): Rewrite.
2075 (arm_size_rtx_costs): Update prototype.
2076 (arm_rtx_costs): Pass speed down to helper functions.
2077 (arm_slowmul_rtx_costs): Rework cost calculations.
2078 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2079 (arm_9e_rtx_costs): Likewise.
2081 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
2083 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2084 relocations of local symbols wider than UNITS_PER_WORD are not valid.
2085 (alpha_legitimize_address): Do not split local symbols wider than
2086 UNITS_PER_WORD into HIGH/LO_SUM parts.
2088 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
2091 * gcc.c (process_command): Replace call to execvp with calls
2092 to pex_one and exit.
2094 2009-01-03 Anatoly Sokolov <aesok@post.ru>
2097 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2098 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2099 variant for devices with 3-byte PC.
2100 (__tablejump_elpm__) : New.
2102 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2105 * c-parser.c (c_parser_postfix_expression): Allow `->' in
2106 offsetof member-designator, handle it as `[0].'.
2108 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2110 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2111 function when not using named sections on targets with named sections
2112 if branch distance is less than 262132.
2114 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
2116 * combine.c (combine_instructions): Recompute
2117 optimize_this_for_speed_p for each BB in the main combine loop.
2119 2009-01-12 Tomas Bily <tbily@suse.cz>
2122 * tree-loop-distribution.c (prop_phis): New function.
2123 (generate_builtin): Call prop_phis.
2124 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2126 2009-01-12 Jakub Jelinek <jakub@redhat.com>
2128 PR tree-optimization/38807
2129 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2130 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2132 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
2134 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2135 subreg of op0 to the original op0.
2137 2009-01-11 Laurent GUERBY <laurent@guerby.net>
2139 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2141 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
2144 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2145 starting with digits.
2147 2009-01-10 Jakub Jelinek <jakub@redhat.com>
2150 * config/arm/arm.c (arm_is_long_call_p): Don't call
2151 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2153 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
2155 * regrename.c (regrename_optimize): Fix dumping.
2156 (find_oldest_value_reg): Preserve REG_POINTER.
2157 (copy_hardreg_forward_1): Likewise.
2159 2009-01-09 Diego Novillo <dnovillo@google.com>
2161 * gimple.h (struct gimple_statement_base) <uid>: Document
2162 the restrictions on its use.
2164 (gimple_set_uid): Tidy.
2166 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2168 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2169 zero guard even if align_bytes != 0 and count is smaller than
2172 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
2174 PR rtl-optimization/38495
2175 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2176 (add_range_and_copies_from_move_list): Print all added ranges.
2177 Add ranges to memory optimized destination.
2179 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2183 * config/i386/i386.c (override_options): Reject
2184 -mstringop-strategy=rep_8byte with -m32.
2185 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2186 to 1. Do count comparison against epilogue_size_needed at compile
2187 time even when count_exp was constant forced into register. For
2188 size_needed don't jump to epilogue, instead just avoid aligning
2189 and invoke the body algorithm. If need_zero_guard, add zero guard
2190 even if count is non-zero, but smaller than size_needed + number of
2191 bytes that could be stored for alignment.
2192 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2193 to 1. If need_zero_guard, add zero guard even if count is non-zero,
2194 but smaller than size_needed + number of bytes that could be stored
2195 for alignment. Compare size_needed with epilogue_size_needed instead
2196 of desired_align - align, don't adjust size_needed, pass
2197 epilogue_size_needed to the epilogue expanders.
2200 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2202 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2204 * pa.c (last_address): Change to unsigned.
2205 (update_total_code_bytes): Change argument to unsigned. Don't
2206 check if insn addresses are set.
2207 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2208 addresses are not set.
2209 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2211 2009-01-09 Nick Clifton <nickc@redhat.com>
2213 * config/sh/symbian.c: Replace uses of DECL_INLINE with
2214 DECL_DECLARED_INLINE_P.
2216 2009-01-09 Jakub Jelinek <jakub@redhat.com>
2219 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2220 GET_MODE (op0) in operand_subword_force calls.
2223 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2224 fold_convert arg0 operands to TREE_TYPE (op0) first.
2226 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
2228 * params.def (ira-max-conflict-table-size): Decrease default value
2231 2009-01-08 Jakub Jelinek <jakub@redhat.com>
2233 PR tree-optimization/37031
2234 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2236 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2237 allocate it using gc instead of heap, use VEC_quick_push instead of
2239 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2240 instead of heap, use VEC_quick_push instead of VEC_safe_push.
2241 * tree-data-ref.h (struct access_matrix): Change matrix to gc
2242 allocated vector from heap allocated.
2243 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2244 * tree-loop-linear.c (linear_transform_loops): Allocate nest
2245 vector only after perfect_loop_nest_depth call.
2247 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
2248 Jan Sjodin <jan.sjodin@amd.com>
2250 PR tree-optimization/38559
2251 * graphite.c (debug_value, copy_constraint,
2252 swap_constraint_variables, scale_constraint_variable, ): New.
2253 (get_lower_bound, get_upper_bound): Removed.
2254 (graphite_trans_bb_strip_mine): Clean up this code that works
2255 only for constant number of iterations. Fully copy upper and
2256 lower bound constraints, not only the constant part of them.
2257 * graphite.h (debug_value): Declared.
2259 2009-01-08 Ira Rosen <irar@il.ibm.com>
2261 PR tree-optimization/37194
2262 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2263 Don't add the cost of cost model guard in prologue to scalar
2264 outside cost in case of known number of iterations.
2266 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
2267 Alan Modra <amodra@bigpond.net.au>
2269 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2270 non-word-aligned REG+CONST addressing.
2272 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2275 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2276 free_after_compilation when outputting a thunk.
2277 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2278 Do not call free_after_compilation here.
2280 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
2282 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2283 (ix86_valid_target_attribute_inner_p): Ditto.
2285 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
2287 PR tree-optimization/38492
2288 PR tree-optimization/38498
2289 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2290 * tree-chrec.h (scev_is_linear_expression): Declared.
2291 * graphite.c (graphite_cannot_represent_loop_niter): New.
2292 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2293 (graphite_loop_normal_form): Use gcc_assert.
2294 (scan_tree_for_params): Use CASE_CONVERT.
2295 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2296 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2297 Use gcc_assert. Discard scops that contain unhandled cases.
2298 (build_scop_conditions): Return a boolean status for unhandled cases.
2299 (strip_mine_profitable_p): Print the loop number, not its depth.
2300 (is_interchange_valid): Pass the depth of the loop nest, don't
2301 recompute it wrongly.
2302 (graphite_trans_bb_block): Same.
2303 (graphite_trans_bb_block): Print tentative of loop blocking.
2304 (graphite_trans_scop_block): Do not print that the loop has been
2306 (graphite_transform_loops): Do not handle scops that contain condition
2309 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
2311 AVX Programming Reference (December, 2008)
2312 * config/i386/avxintrin.h (_mm256_stream_si256): New.
2313 (_mm256_stream_pd): Likewise.
2314 (_mm256_stream_ps): Likewise.
2316 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2317 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2318 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2319 (bdesc_special_args): Add __builtin_ia32_movntdq256,
2320 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2321 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2322 (ix86_expand_special_args_builtin): Likewise.
2324 * config/i386/sse.md (AVXMODEDI): New.
2325 (avx_movnt<mode>): Likewise.
2326 (avx_movnt<mode>): Likewise.
2327 (<sse>_movnt<mode>): Remove AVX support.
2328 (sse2_movntv2di): Likewise.
2330 2009-01-07 Richard Guenther <rguenther@suse.de>
2333 * fold-const.c (extract_muldiv): Remove obsolete comment.
2334 (fold_plusminus_mult_expr): Undo MINUS_EXPR
2335 to PLUS_EXPR canonicalization for the canonicalization.
2337 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
2339 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2340 hosted cross-compilers generating less efficient code.
2342 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2344 * function.h (rtl_data): Add a dbr_scheduled_p field.
2345 * reorg.c (dbr_schedule): Set it.
2346 (gate_handle_delay_slots): Check it.
2347 * config/mips/mips.c (mips_base_delayed_branch): Delete.
2348 (mips_reorg): Check flag_delayed_branch instead of
2349 mips_base_delayed_branch.
2350 (mips_override_options): Don't set mips_base_delayed_branch
2351 or flag_delayed_branch.
2353 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
2355 PR rtl-optimization/38426.
2356 * ira.c (ira): Set current_function_is_leaf earlier.
2358 2009-01-06 Jakub Jelinek <jakub@redhat.com>
2360 PR rtl-optimization/38722
2361 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2362 too early, only set a flag and modify after last possible
2365 2009-01-06 Janis Johnson <janis187@us.ibm.com>
2368 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2369 * real.c (decimal_single_format): Correct values of emin and emax.
2370 (decimal_double_format): Ditto.
2371 (decimal_quad_format): Ditto.
2372 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2373 computation of DECnn_MIN and DECnn_MAX for corrected values of
2374 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
2375 __DECnn_MIN__, and adjust its computation for the corrected value
2378 2009-01-06 Jan Hubicka <jh@suse.cz>
2381 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2383 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
2385 * doc/contrib.texi (Contributors): Slightly adjust the end note.
2386 Add Robert Clark to the list of testers.
2388 2009-01-06 Jan Hubicka <jh@suse.cz>
2389 Kai Tietz <kai.tietz@onevision.com>
2391 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2392 * config/i386/i386.c (ix86_expand_call): Add clobbers.
2394 2009-01-06 Jan Hubicka <jh@suse.cz>
2395 Kai Tietz <kai.tietz@onevision.com>
2397 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2399 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2400 (ix86_nsaved_regs): Count only general purpose regs.
2401 (ix86_nsaved_sseregs): New.
2402 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2403 to 16 for w64; compute padding and size of sse reg save area.
2404 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2405 general purpose regs.
2406 (ix86_emit_save_sse_regs_using_mov): New.
2407 (ix86_expand_prologue): Save SSE regs if needed.
2408 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2409 (ix86_emit_restore_sse_regs_using_mov): New.
2410 (ix86_expand_epilogue): Save SSE regs if needed.
2412 2009-01-06 Jan Hubicka <jh@suse.cz>
2413 Kai Tietz <kai.tietz@onevision.com>
2415 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2416 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2417 functions when accumulate outgoing args is off.
2419 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2422 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2423 before using pseudos_have_intersected_live_ranges_p.
2425 * ira-int.h (ira_assert): Always define.
2427 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
2429 AVX Programming Reference (December, 2008)
2430 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2431 (_mm256_permute2_pd): Likewise.
2432 (_mm_permute2_ps): Likewise.
2433 (_mm256_permute2_ps): Likewise.
2434 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2435 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2437 * config/i386/i386.c (ix86_builtins): Remove
2438 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2439 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2440 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2441 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2442 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2443 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2444 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2445 __builtin_ia32_vpermil2ps256.
2446 (ix86_init_mmx_sse_builtins): Updated.
2447 (ix86_expand_args_builtin): Likewise.
2449 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2451 * pa.c (output_call): Relocate non-jump insns in the delay slot of
2452 long absolute calls when generating PA 2.0 code.
2454 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
2456 PR rtl-optimization/38583
2457 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2459 * params.def (ira-max-conflict-table-size): New.
2461 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2463 * ira.h (ira_conflicts_p): New external definition.
2465 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2466 table. Report this. Return result of building.
2467 (ira_build_conflicts): Use ira_conflicts_p. Check result of
2468 building conflict table.
2470 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2471 (ira_color): Use ira_conflicts_p.
2473 * global.c: Include ira.h.
2474 (pseudo_for_reload_consideration_p, build_insn_chain): Use
2477 * Makefile.in (global.o): Add ira.h.
2479 * ira-build.c (mark_all_loops_for_removal,
2480 propagate_some_info_from_allocno): New.
2481 (remove_unnecessary_allocnos): Call
2482 propagate_some_info_from_allocno.
2483 (remove_low_level_allocnos): New.
2484 (remove_unnecessary_regions): Add parameter. Call
2485 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
2486 parameter to remove_unnecessary_regions.
2487 (ira_build): Remove all regions but root if the conflict table was
2488 not built. Update conflict hard regs for allocnos crossing calls.
2490 * ira.c (ira_conflicts_p): New global.
2491 (ira): Define and use ira_conflicts_p.
2493 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2494 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2495 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2497 2009-01-06 Ben Elliston <bje@au.ibm.com>
2499 * gengtype-lex.l (YY_NO_INPUT): Define.
2501 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
2504 * c-common.c (handle_vector_size_attribute): Also reject
2507 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
2509 PR tree-optimization/38492
2510 * graphite.c (rename_map_elt, debug_rename_elt,
2511 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2512 rename_map_elt_info, eq_rename_map_elts,
2513 get_new_name_from_old_name, bb_in_sese_p): Moved around.
2514 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2515 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2516 (sese_build_livein_liveouts): New.
2517 (new_sese, free_sese): New.
2518 (new_scop): Call new_sese.
2519 (free_scop): Call free_sese.
2520 (rename_variables_from_edge, rename_phis_end_scop): Removed.
2521 (register_old_new_names): Renamed register_old_and_new_names.
2522 (register_scop_liveout_renames, add_loop_exit_phis,
2523 insert_loop_close_phis, struct igp,
2524 default_liveout_before_guard, add_guard_exit_phis,
2525 insert_guard_phis, copy_renames): New.
2526 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2527 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2528 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2529 (scop_adjust_phis_for_liveouts): New.
2530 (gloog): Call scop_adjust_phis_for_liveouts.
2532 * graphite.h (struct sese): Documented. Added fields liveout,
2534 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2535 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2536 (struct scop): Added field liveout_renames.
2537 (SCOP_LIVEOUT_RENAMES): New.
2539 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2541 PR tree-optimization/38510
2542 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2543 (translate_clast): Call recompute_all_dominators before
2545 (gloog): Call recompute_all_dominators before graphite_verify.
2547 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
2548 Jan Sjodin <jan.sjodin@amd.com>
2550 PR tree-optimization/38500
2551 * graphite.c (create_sese_edges): Call fix_loop_structure after
2554 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
2556 * config.gcc: Add m32r*-*-rtems*.
2557 * config/m32r/rtems.h: New file.
2559 2009-01-05 Ben Elliston <bje@au.ibm.com>
2561 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2562 (.po.pox): Likewise.
2563 (po/gcc.pot): Likewise.
2565 2009-01-04 David S. Miller <davem@davemloft.net>
2567 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2568 (STARTING_FRAME_OFFSET): Always set to zero.
2570 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2572 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2573 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2574 fixed-point types, and vectors of the same.
2576 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
2578 * config/mips/sync.md (*mb_barrier): Rename to...
2579 (*memory_barrier): ...this.
2581 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
2583 * doc/extend.texi (Function Attributes): Move @cindex after @item
2584 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2585 and put in alphabetical order. Fix 'target' name and put in order.
2586 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2589 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
2591 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2592 (memory_barrier): Expand as unspec instead of unspec_volatile.
2593 Remove mem:BLK from insn operands. Use Pmode scratch register.
2594 (*memory_barrier): Define as unspec instead of unspec_volatile.
2595 Use (match_dup 0) as input operand.
2597 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2598 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2599 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
2600 scratch register. Remove operand 1.
2601 (*stbar): Define as unspec instead of unspec_volatile.
2602 Use (match_dup 0) as input operand, remove (const_int 8).
2603 (*membar): Define as unspec instead of unspec_volatile.
2604 Use (match_dup 0) as input operand, remove input operand 2.
2606 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2607 (memory_barrier): Expand as unspec instead of unspec_volatile.
2608 Remove mem:BLK from insn operands. Use Pmode scratch register.
2609 (*memory_barrier): Define as unspec instead of unspec_volatile.
2610 Use (match_dup 0) as input operand.
2612 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2613 Remove mem:BLK from insn operands. Use Pmode scratch register.
2614 Set volatile flag on operand 0.
2615 (*memory_barrier): New insn pattern.
2617 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2619 (*memory_barrier): Use (match_dup 0) as input operand.
2621 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2622 Remove mem:BLK from insn operands. Use Pmode scratch register.
2623 Set volatile flag on operand 0.
2624 (*mb_internal): New insn pattern.
2626 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2628 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2631 * function.c (struct temp_slot): Move to the section of the file
2632 that deals with temp slots. Remove field 'address'.
2633 (temp_slot_address_table): New hash table of address -> temp slot.
2634 (struct temp_slot_address_entry): New struct, items for the table.
2635 (temp_slot_address_compute_hash, temp_slot_address_hash,
2636 temp_slot_address_eq, insert_temp_slot_address): Support functions
2638 (find_temp_slot_from_address): Rewrite to use the new hash table.
2639 (remove_unused_temp_slot_addresses): Remove addresses of temp
2640 slots that have been made available.
2641 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2642 worker function for remove_unused_temp_slot_addresses.
2643 (assign_stack_temp_for_type): Don't clear the temp slot address list.
2644 Add the temp slot address to the address -> temp slot map.
2645 (update_temp_slot_address): Update via insert_temp_slot_address.
2646 (free_temp_slots): Call remove_unused_temp_slot_addresses.
2647 (pop_temp_slots): Likewise.
2648 (init_temp_slots): Allocate the address -> temp slot map, or empty
2649 the map if it is already allocated.
2650 (prepare_function_start): Initialize temp slot processing.
2652 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
2655 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2656 Calculate the size of all stack vars assuming no packing of stack
2657 vars will happen, replacing a quadratic algorithm with a linear one.
2659 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2662 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2665 2009-01-03 Diego Novillo <dnovillo@google.com>
2667 * doc/contrib.texi: Update contributions.
2669 2009-01-03 Jakub Jelinek <jakub@redhat.com>
2672 * builtins.c (fold_builtin_memory_op): Give up if either operand
2673 is volatile. Set srctype or desttype to non-qualified version
2677 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2680 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
2682 PR rtl-optimization/35805
2683 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2684 problem if fast dce is able to remove any instructions.
2685 * dce.c (dce_process_block): Fix dump message.
2687 2009-01-02 Mark Mitchell <mark@codesourcery.com>
2690 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2692 2009-01-02 Jakub Jelinek <jakub@redhat.com>
2695 * tree-flow.h (op_code_prio, op_prio): New prototypes.
2696 * tree-pretty-print.c (op_code_prio): New function.
2697 (op_prio): No longer static. Use op_code_prio.
2698 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2699 Use op_prio and op_code_prio to determine if () should be
2700 printed around operand(s) or not.
2702 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2703 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2704 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2705 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2706 pp_character instead of pp_string for single letter printing.
2708 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2710 * doc/extend.texi: Fix '#pragma GCC option' typo.
2712 2009-01-02 Richard Guenther <rguenther@suse.de>
2714 * doc/install.texi (--enable-checking): Mention different
2716 (--enable-stage1-checking): Document.
2718 2009-01-01 Andrew Pinski <pinskia@gmail.com>
2721 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
2722 case to be an error.
2724 2009-01-02 Ben Elliston <bje@au.ibm.com>
2726 * config/fp-bit.h (pack_d): Constify argument.
2727 * config/fp-bit.c (makenan): Constify return type. Remove casts.
2728 (isnan): Constify argument.
2732 (_fpadd_parts): Constify return type.
2733 (_fpmul_parts): Likewise.
2734 (_fpdiv_parts): Likewise.
2736 2009-01-01 Jakub Jelinek <jakub@redhat.com>
2739 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
2740 warn about overwriting initializer with side-effects or
2741 -Woverride-init if !IMPLICIT.
2742 (output_init_element): Likewise. Pass IMPLICIT down to
2744 (process_init_element): Add IMPLICIT argument. Pass it down
2745 to output_init_element.
2746 (push_init_element, pop_init_level, set_designator): Adjust
2747 process_init_element callers.
2748 (set_nonincremental_init, set_nonincremental_init_from_string):
2749 Adjust add_pending_init callers.
2750 (output_pending_init_elements): Adjust output_init_element callers.
2751 * c-tree.h (process_init_element): Adjust prototype.
2752 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2753 process_init_element callers.
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